Jig for dismounting a device from a transport carriage and jacking device therefor

Abstract

The utility model discloses a kind of tool for disassembling equipment from transport bracket and jacking device for it, belong to equipment production auxiliary tool technical field.The tool includes pedestal, first lifting piece, second lifting piece, driving mechanism, first locking assembly, second locking assembly and unlocking operation piece.Pedestal is equipped with multiple locking positions;First, second lifting piece is independently slidably assembled in pedestal respectively;Driving mechanism alternatively drives first lifting piece and second lifting piece to lift;Two groups of locking assemblies are correspondingly configured in two lifting pieces respectively;Unlocking operation piece is assembled in pedestal and is equipped with multiple trigger parts, trigger part and locking position are not equal interval and form geometric misregistration, so that two groups of locking assemblies do not unlock simultaneously in descending process, at least one group remains locking to receive load.The utility model is pure mechanical structure, two groups of locking assemblies are alternatively unlocked to bear when descending, with mechanical support throughout, eliminate equipment uncontrolled drop impact, without electricity, hydraulic power source.

Description

Technical Field

[0001] This utility model relates to the field of auxiliary tooling technology for equipment production, specifically to a tooling for disassembling equipment from a transport bracket and a lifting device therefor. Background Technology

[0002] During the transportation and installation of heavy and precision equipment, the equipment is usually secured and moved using transport pallets (such as wooden pallets). Once the equipment is delivered to the installation site, it needs to be removed from the transport pallets and placed smoothly on the ground before subsequent installation can proceed.

[0003] Currently, the commonly used methods for disassembling and laying the equipment on the ground are mainly as follows: Existing technology 1: Using cranes or overhead cranes to lift equipment from above. This method is limited by the overhead space at the work site and is difficult to implement in ordinary workshops, clean rooms, or outdoor sites without overhead cranes.

[0004] Existing technology 2: Multiple hydraulic jacks or screw jacks are placed on both sides of the bottom of the equipment. The equipment is lifted off the support frame, then the support frame is removed, and the equipment is lowered to the ground by operating the jacks in reverse.

[0005] Existing technology 3: As disclosed in invention patent CN122126776A, a transport fixture for lifting large-mass equipment uses a worm gear screw lifting mechanism to drive the axial lifting of the outer cylinder, and arranges multiple transport fixtures around the equipment. The fixtures are fixedly connected to the bottom frame of the equipment through docking parts, and together they lift the equipment off the ground for transfer and transportation, which to a certain extent solves the problem of large space occupation of large lifting equipment.

[0006] However, the existing methods described above still have the following problems in practice: First, during the process of lowering the equipment from a suspended state to the ground, existing jacks or worm gear screws lack effective constraints on the falling speed. When the jacks depressurize or the worm gear screws reverse, the equipment mainly relies on gravity to fall. If the supporting force decreases too quickly, the equipment will experience uncontrolled accelerated descent, creating impact loads that may cause a decrease in the precision of internal components or hidden damage.

[0007] Secondly, most existing common tooling uses a single support structure. Once the locking mechanism is unlocked during descent, the equipment completely loses its mechanical support. The operator must rely on manual control to limit the descent speed, which requires a high level of skill from the operator and carries a significant risk of human error.

[0008] In addition, existing hydraulic jacks are at risk of seal failure and oil leakage; worm gear screw-type tooling is somewhat dependent on the on-site power supply and has limited adaptability. Utility Model Content

[0009] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a tooling for disassembling equipment from a transport carriage and a lifting device therefor, aiming to improve the technical problems of uncontrolled impact caused by the complete loss of mechanical support of the equipment when the locking mechanism is unlocked during the descent of the existing lifting device, and the limited adaptability of the existing tooling due to its reliance on hydraulic or electric power.

[0010] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A tooling for disassembling equipment from a transport carriage includes a lifting device comprising a base, a first lifting member, a second lifting member, a drive mechanism, a first locking assembly, a second locking assembly, and an unlocking operation member. The base has multiple locking positions. The first and second lifting members are independently and slidably mounted on the base, with at least one lifting member supporting the equipment to be disassembled. The drive mechanism is connected between the first and second lifting members and is used to alternately drive the first and second lifting members to move up and down relative to the base. The first and second locking assemblies are respectively disposed between the first and second lifting members and the base. Each locking assembly is configured to allow the corresponding lifting member to slide upwards unidirectionally relative to the base, and to form a locking constraint on the downward sliding of the corresponding lifting member, and to lock the corresponding lifting member in any locking position. The unlocking operation member is mounted on the base and has multiple trigger parts, each trigger part corresponding to a specific locking assembly. The relative positional relationship between the plurality of triggering units and the plurality of locking positions is configured such that during the descent, the first locking component and the second locking component will not unlock simultaneously, and at any time at least one of them remains locked to bear the load of the device.

[0011] In the above scheme, the base serves as the structural foundation of the lifting device, providing sliding guidance for the lifting components and setting positions for the locking positions. The first and second lifting components are independently slidably assembled on the base, meaning each lifting component has its own independent sliding path, does not interfere with the others, and is equipped with its own independent locking components. Each locking component allows the corresponding lifting component to slide upwards in one direction and forms a locking constraint on downward sliding—when there is no external force intervention, the lifting component can move freely upwards, but cannot move freely downwards. The downward locking constraint can only be released by the active triggering of the unlocking operation component, ensuring that the lifting component can be stably locked at any height.

[0012] Because the unlocking mechanism is mounted on the base, the relative positions of its multiple triggers and multiple locking positions are fixed geometrically. When the two sets of lifting components move downwards, their respective locking components encounter their corresponding triggers. The staggered arrangement of the triggers and locking positions ensures that when the first locking component reaches the unlocking position of its corresponding trigger, the second locking component avoids the unlocking position of its corresponding trigger; and vice versa. The two sets of locking components alternately reach the unlocking position during descent, with at most one set being triggered to unlock at any given time, while the other remains locked. In the single-lifting-component scheme, the equipment completely loses mechanical support when the locking components unlock, while in this scheme, the other set of locking components remains locked, bearing the equipment load. The equipment does not completely lose mechanical support, does not gain free-fall acceleration time, and the single-step descent distance is limited to the distance between adjacent locking positions. The impact energy is controlled within a single-step range, and uncontrolled impacts are eliminated at the structural level. All functions are achieved through purely mechanical components, without relying on electricity, hydraulics, or pneumatics. It can be used normally in environments without electricity or air, and there is no risk of hydraulic oil leakage, making it highly adaptable to various scenarios.

[0013] In a further preferred embodiment, a reset elastic element is provided between the unlocking operation component and the base. The unlocking operation component is floatingly assembled to the base via the reset elastic element. The reset elastic element is used to keep the unlocking operation component in its initial position when not subjected to external force, and to allow the unlocking operation component to displace when subjected to external force.

[0014] The advantages of the above solution are as follows: the unlocking actuator is floatingly mounted on the base via a reset elastic element. When no external force is applied, the elastic force of the reset elastic element keeps the unlocking actuator in its initial position. At this time, the geometric misalignment between the trigger and the locking position remains fixed, and the timing control accuracy during descent is unaffected. When the unlocking actuator is subjected to accidental impact or vibration, the reset elastic element can undergo elastic deformation, allowing the unlocking actuator to produce a slight yield displacement, thereby buffering the impact and preventing rigid collisions between the unlocking actuator and the base that could cause damage. After the impact disappears, the reset elastic element drives the unlocking actuator to automatically return to its initial position, and the geometric misalignment is restored. This solution improves the impact resistance and service life of the unlocking actuator without changing the descent timing control logic.

[0015] In a further preferred embodiment, two lifting devices are provided, and a rigid support member is connected between the lifting components of the two lifting devices. The rigid support member is used to support the equipment to be disassembled.

[0016] The advantages of the above solution are as follows: The equipment is placed on a rigid support structure, and the equipment's weight is transmitted to the lifting components of the two lifting devices via this structure. The rigid support structure has a stiffness much greater than that of the internal transmission chain of the lifting devices, and its own deformation is negligible within the weight range of the equipment. When the equipment's center of gravity shifts, causing one side of the lifting component to bear a greater load, the increased downward pressure on that side is transmitted to the other side through the rigid support structure, thus balancing the forces on both sides. During ascent or descent, the movement of any one side of the lifting component is forcibly driven by the rigid support structure to move synchronously on the other side. Both sides of the lifting components are at the same height at any given time, and the equipment's base plate remains parallel to its initial plane without tilting. The rigid support structure connects the two independent lifting devices into a unified support system, with the equipment load shared by both lifting devices. The load borne by a single lifting device is halved, improving the overall load-bearing capacity of the fixture. The rigid support structure and the lifting components are detachably connected, facilitating assembly, disassembly, and transportation.

[0017] In a further preferred embodiment, the lifting member has a right-angled triangular support portion protruding along the length direction of the rigid support member, and the two ends of the rigid support member are respectively placed on the support portions of the two lifting devices and supported from below by the support portions.

[0018] The advantages of the above solution are as follows: the support portion protruding along the length of the rigid support member has a right-angled triangular cross-section, with a mutually perpendicular upper end face and vertical side face. The upper end face supports the bottom surface of the rigid support member from below, bearing the vertical pressure; the vertical side face is located outside the end of the rigid support member, structurally preventing it from sliding outward along its length. The right-angled triangle integrates both vertical support and horizontal limiting functions on the same solid component, eliminating assembly gaps and the problem of limiting function failure due to repeated assembly and disassembly. After the rigid support member is placed in the support portion, it naturally falls into place under gravity, achieving both vertical support and horizontal limiting simultaneously without the need for additional bolts or locating pins. Compared to a flat support surface, the right-angled triangular support portion eliminates the risk of horizontal slippage through a single vertical side face. Simultaneously, the right-angled triangular cross-section makes the root thickness of the support portion greater than the outer end thickness, resulting in a higher flexural section modulus at the root when subjected to bending moments, higher structural strength, and less susceptibility to root fracture.

[0019] In a further preferred embodiment, diagonal braces are provided on both sides below the end of the rigid support member. The upper ends of the two diagonal braces abut against the bottom surfaces on both sides of the rigid support member in the width direction, and the lower ends converge downwards to connect with the support portion. The diagonal braces, the rigid support member, and the support portion form a triangular support structure.

[0020] The effect of the above scheme is that the diagonal brace, the rigid support member, and the support part form a triangular support structure. A triangle has geometric stability and does not change its geometric shape under external forces. The upper end of the diagonal brace abuts against the bottom surfaces of both sides of the rigid support member in the width direction, and the lower end slopes downwards to connect to the support part, forming a support path that converges from both sides towards the middle in the width direction. When the rigid support member bears the weight of the equipment, downward and outward forces are generated at its ends. The downward force is directly transmitted to the upper surface of the support part through the end; the outward force is transmitted axially to the lower end of the support part through the upper end of the diagonal brace. Compressive stress is generated inside the diagonal brace along the axis, which balances the outward deformation tendency of the rigid support member's ends, inhibiting outward expansion of the ends. The two diagonal braces are located on both sides of the width direction. When the equipment's center of gravity shifts, causing the rigid support member to bear torque, the diagonal braces on both sides of the torsional direction bear tensile and compressive stresses respectively, which balance each other, preventing the rigid support member from freely torsion around its length axis. Compared to relying solely on the upper surface of the support, the triangular support structure extends the single-point support into a spatial support system with horizontal constraint capabilities, enabling the rigid support components to maintain structural stability under complex stress conditions.

[0021] In a further preferred embodiment, the locking position is a positioning hole spaced vertically on the base; the locking assembly includes a pin and a first elastic element, the pin is movably assembled to a corresponding lifting element, and the first elastic element is used to push the pin toward the locking position.

[0022] The advantages of the above scheme are as follows: the locking position consists of positioning holes on the base, spaced vertically, with equal spacing between any two adjacent positioning holes. The pin is movably mounted on the corresponding lifting component and can reciprocate along the pin's axial direction (perpendicular to the sliding direction of the lifting component). The first elastic element consistently pushes the pin towards the positioning hole. When the lifting component slides to a certain height and the pin aligns with the corresponding positioning hole, the first elastic element pushes the pin into the positioning hole, locking the lifting component at that height. This locking method is a mechanical hard lock—after the pin is inserted into the positioning hole, when the lifting component is subjected to downward gravity, the upper surface of the pin forms mechanical contact with the upper wall of the positioning hole. The shearing force is borne by the solid material of the pin and the positioning hole, not relying on friction or electromagnetic force, ensuring a stable and reliable locking state. The continuous pushing force of the first elastic element ensures that the pin remains inserted into the positioning hole when the lifting component is not actively triggered by the unlocking operation component, preventing accidental disengagement due to vibration or impact.

[0023] In a further preferred embodiment, the end of the pin facing the locking position is provided with a sliding inclined surface, the sliding inclined surface being inclined upward; when the lifting member slides upward relative to the base, the sliding inclined surface abuts against the upper hole wall of the current locking position, forcing the pin to overcome the elastic force of the first elastic member and exit the current locking position.

[0024] The effect of the above scheme is that the end of the pin facing the positioning hole has an upwardly inclined sliding surface. When the lifting component slides upward, the pin moves upward synchronously with the lifting component, and the upper wall of the current positioning hole contacts the sliding inclined surface. The reaction force exerted by the upper wall on the sliding inclined surface is perpendicular to the inclined surface. This reaction force can be decomposed into a component force along the pin's axial direction and a component force perpendicular to the pin's axial direction. The component force along the pin's axial direction pushes the pin away from the positioning hole, causing the pin to gradually withdraw from the current positioning hole against the elastic force of the first elastic element. As the lifting component continues to rise, the pin slides along the edge of the upper wall of the positioning hole. After completely disengaging from the current positioning hole, the lifting component can continue to move upward. When the lifting component rises to the next locking position, the first elastic element pushes the pin into the locking position, completing one upward step. The withdrawal and re-entry of the pin are automatically completed by the mechanical cooperation between the sliding inclined surface and the upper wall of the positioning hole, without requiring the operator to perform any additional unlocking action. The upward movement itself generates the driving force for the exit pin. As the upward movement continues, the pin remains in the exited state. When the upward movement stops, the pin is engaged in the positioning hole by the action of the first elastic element, realizing one-way passage and automatic locking.

[0025] In a further preferred embodiment, the trigger part of the unlocking operation member is a protrusion, and the lifting member is provided with a driven member that cooperates with the protrusion. The driven member is linked with the pin. When the lifting member moves downward, the driven member moves along the surface of the protrusion, causing the pin to overcome the elastic force of the first elastic member and exit the current locking position.

[0026] The above solution achieves the following effect: the trigger part is a protrusion, and the lifting component has a driven component that cooperates with the protrusion. The unlocking operation component is mounted on the base, and the position of the protrusion relative to the base is fixed; the driven component is fixedly mounted on the lifting component and moves synchronously with it. When the lifting component moves downward, the driven component moves downward with it, and after contacting the protrusion, it moves along the surface of the protrusion. The surface of the protrusion has a specific contour shape. When the driven component moves along this contour, its movement trajectory is raised by the protrusion surface, resulting in an offset perpendicular to the sliding direction of the lifting component. This offset is transmitted to the pin through the linkage between the driven component and the pin, causing the pin to move away from the positioning hole, overcoming the elastic force of the first elastic component and exiting the current locking position. After the driven component passes the highest point of the protrusion, the first elastic component pushes the pin back into the next locking position, completing one descent step. This solution, through the cooperation of the protrusion and the driven component, transforms the vertical downward movement of the lifting component into the horizontal exit movement of the pin, achieving automatic unlocking during the descent process.

[0027] In a further preferred embodiment, the protrusion has a smoothly transitioned guide surface, and when the follower moves along the surface to the highest point of the protrusion, the pin completely exits the current locking position.

[0028] The advantages of the above solution are as follows: the protrusion has a smoothly transitioning guide surface. When the driven part moves along this surface, the contact force it experiences changes continuously, without impact or jamming, resulting in smooth movement. When the driven part reaches the highest point of the protrusion, the pin is pushed to its maximum retraction position, completely disengaging from the current locking position. The lifting component loses its locking constraint and can slide downwards to the next locking position under gravity. Afterwards, the driven part leaves the highest point of the protrusion, and the first elastic element pushes the pin into the locking position, completing the descent step. The smoothly transitioning guide surface ensures uniform force distribution on the driven part during its ascent and descent from the protrusion, avoiding stress concentration and wear caused by abrupt changes in the contour, thus extending the service life of the components. Simultaneously, the driven part can traverse the protrusion with minimal resistance, and the driving force applied by the operator does not need to overcome additional impact loads, making the descent operation more effortless and smoother.

[0029] In a further preferred embodiment, the driven member is a cylinder fixedly mounted on the lifting member, and the circumferential surface of the cylinder is used for sliding contact with the protrusion.

[0030] The advantages of the above solution are as follows: the driven component is a cylinder fixedly mounted on the lifting component, which does not rotate around its own axis but only moves up and down with the lifting component. When the lifting component moves downward, the circumferential surface of the cylinder contacts and slides along the raised surface. The circumferential surface of the cylinder is an arc surface, forming a line contact or narrow surface contact with the raised surface, which ensures sufficient contact stiffness to transmit the unlocking driving force while avoiding excessive frictional resistance that may be generated by surface contact. At the same time, the sliding fit between the arc surface of the cylinder and the raised surface has a high tolerance for assembly errors, ensuring the reliability of the unlocking function within the manufacturing tolerance range.

[0031] This utility model also provides a lifting device for the aforementioned tooling used to disassemble equipment from a transport carriage. The lifting device includes a base, a first lifting member, a second lifting member, a drive mechanism, a first locking assembly, a second locking assembly, and an unlocking operation member. The base has multiple locking positions. The first lifting member and the second lifting member are independently and slidably mounted on the base. The drive mechanism is connected between the first lifting member and the second lifting member and is used to alternately drive the first lifting member and the second lifting member to rise and fall relative to the base. The first locking assembly and the second locking assembly are respectively disposed between the first lifting member and the second lifting member and the base. The unlocking operation member is mounted on the base and has multiple triggering parts. The relative positional relationship between the multiple triggering parts and the multiple locking positions is configured such that during descent, the first locking assembly and the second locking assembly will not unlock simultaneously, and at least one of them remains locked at any given time to bear the equipment load.

[0032] The advantages of the above solution are as follows: This utility model also provides a lifting device as an independent product unit. The base is the structural foundation of the lifting device. The first and second lifting components are independently and slidably assembled on the base, each equipped with an independent locking component. Each locking component allows the corresponding lifting component to slide upward in one direction and forms a locking constraint on downward sliding. The unlocking operation component is assembled on the base and does not rely on electricity, hydraulics, or pneumatics. Multiple triggering parts and multiple locking positions have a fixed relative positional relationship. The two sets of locking components alternately reach the unlocking position during descent and will not unlock simultaneously. At any given time, at least one remains locked to bear the equipment load. The equipment is always mechanically supported during descent, preventing free fall impact. It can be used in environments without electricity or air, and there is no risk of hydraulic oil leakage. This lifting device can be manufactured and sold independently and used as a modular unit in different equipment disassembly fixtures.

[0033] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. By setting the first and second lifting components to be independently slidably assembled on the base, and each equipped with an independent locking component, the two sets of locking components are controlled by the fixed geometric relationship between the trigger part and the locking position during the descent process. They will not unlock at the same time, and at least one of them will remain locked to bear the load of the equipment at any time. This ensures that at least one set of locking components provides mechanical support throughout the entire descent process, fundamentally eliminating the possibility of the equipment completely losing support and experiencing free fall impact, and avoiding damage to the precision components inside the equipment caused by the impact load.

[0034] 2. By assembling the unlocking operation component on the base, the unlocking sequence of the two sets of locking components is automatically staggered by utilizing the fixed relative positional relationship between the trigger part and the locking position. The accuracy of the timing control is guaranteed by the geometric relationship of the mechanical structure, and is not affected by the operator's skill level or on-site judgment. It has high repeatability and reliability, and low operating threshold.

[0035] 3. During ascent, the sliding inclined surface of the pin engages with the upper wall of the positioning hole, enabling automatic step-by-step passage and locking during the ascent process. No additional unlocking action is required from the operator, making the ascent operation simple and efficient.

[0036] 4. During descent, unlocking and relocking are completed through the cooperation of a purely mechanical structure. It does not rely on external power sources such as electricity, hydraulics, or pneumatics. It can be used normally in special environments such as work sites without electricity or air, as well as clean rooms. It has strong adaptability to different scenarios and there is no risk of hydraulic oil leakage pollution.

[0037] 5. When two lifting devices are installed and connected by a rigid support component, the rigid support component forces the lifting components on both sides to move synchronously. The plane of the equipment base plate remains parallel to its initial plane without tilting, thus solving the synchronization problem in multi-support point collaborative operation. The right-angled triangular support and the diagonal brace triangular support structure further improve the installation stability and load-bearing capacity of the rigid support component. Attached Figure Description

[0038] Figure 1 This is a schematic diagram of the overall assembly of the tooling used to disassemble the equipment from the transport bracket according to this utility model.

[0039] Figure 2 This is a schematic diagram of the structure of a single lifting device used in the tooling of this utility model.

[0040] Figure 3 This is a schematic diagram of the assembly of the support part and the diagonal brace used in the tooling of this utility model.

[0041] Figure 4 This is an isometric view of the unlocking operation component used in the tooling of this utility model.

[0042] Figure 5 This is a schematic diagram of the locking assembly used in the tooling of this utility model.

[0043] Figure 6 This is a schematic diagram of the structure of the first lifting component used in the tooling of this utility model.

[0044] Figure 7 This is a schematic diagram of the structure of the second lifting component used in the tooling of this utility model.

[0045] Figure 8 This is a schematic diagram of the drive mechanism used in the tooling of this utility model.

[0046] Figure Labels

[0047] SBWK: Housing of the equipment to be disassembled MT: Wooden Carrier 100: First lifting device 110: Base 111: Base Body 112: Porous guide post 112a: Positioning hole 121: First lifting component 121a: First lifting adapter hole 121b: First hinge adapter hole 121c: First pin hole 121d: Operating component positioning part 122: Second lifting component 122a: Second lifting adapter hole 122b: Second hinge adapter hole 122c: Second pin hole 123: Support plate 124: Supporting Department 130: Drive mechanism 131: Handle 132: First Link 133: Second Link 140: First locking component 141: First pin 141a: Sliding inclined surface 142: First follower 150: Second locking component 151: Second pin 152: Second follower 160: Unlock Operation Component 161: Operating component body 162: First protrusion 163: Second protrusion 200: Second lifting device 210: Diagonal brace 300: Rigid supporting component Detailed Implementation

[0048] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of protection of the present invention. This description, in conjunction with the accompanying drawings, fully discloses the preferred physical solutions of the present invention, and also discloses various equivalent alternative embodiments to support the superior technical features in the claims, enabling those skilled in the art to fully reproduce the present invention and achieve the corresponding technical effects by combining this specification with common general knowledge.

[0049] Part 1: Definition of Terms, Overall Inventive Concept, Supporting Implementations of Superior Concepts I. Explanation of Key Technical Terms To facilitate accurate understanding of the technical content of this solution by those skilled in the art, key components and functional concepts in the text are clearly defined, and the terms in this section correspond one-to-one with the technical features in the claims.

[0050] Lifting component: refers to a component that is slidably assembled on a base and can reciprocate vertically, used to directly or indirectly support the load of equipment. This utility model includes two lifting components, a first lifting component and a second lifting component. The lifting component body can be provided with functional structures such as hinge holes, pin holes, support parts, and guide adapter holes for assembly and cooperation with drive mechanisms, locking components, and rigid support components. The physical form of the lifting component is not limited to the block-shaped slider shown in the attached figure; it can also be a sliding sleeve, sliding plate, or other equivalent sliding components. As long as it can achieve reciprocating sliding along the vertical guide surface of the base and can bear lateral forces and vertical loads, it falls within the scope of the lifting component defined in this utility model.

[0051] Locking position: Located on the base, this is a limiting structure that cooperates with the locking assembly to confine the lifting component to a certain height. The locking position can be in various structural forms such as a positioning hole, positioning groove, or positioning tooth. Multiple locking positions are arranged at intervals along the vertical direction, and the distance between adjacent locking positions is the single-step lifting distance of the lifting component. In this preferred embodiment, the locking position uses a circular positioning hole. The spacing of the locking positions can be adjusted according to the equipment tonnage and the available operating space. A larger step distance results in a larger single lifting height, but also a corresponding increase in the impact load borne by the locking mechanism during a single operation; a smaller step distance results in less impact, but increases the number of cycles required to operate the handle.

[0052] Locking assembly: A functional unit assembled between the lifting component and the base, used to control the movement direction of the lifting component and achieve height locking. Each locking assembly includes at least a movable locking component and a first elastic element that continuously pushes the locking component towards the locking position. The locking assembly is configured to allow the lifting component to slide upwards in one direction while simultaneously creating a locking constraint on the downward sliding of the lifting component. When the locking component is inserted into the locking position, the lifting component is mechanically locked at that height position. Only after the locking component is triggered to completely exit the locking position can the lifting component slide downwards. After sliding to the next locking position, the locking component will re-engage in the locking position under the action of the elastic element, re-establishing the downward locking constraint. It should be noted that the locking assembly does not completely release all constraints and allow for unrestricted free fall; locking is re-established after each downward step.

[0053] Triggering part: A functional structure formed or assembled on the unlocking operation component, used to cooperate with the driven part to trigger the unlocking of the locking assembly. The triggering part can be in the form of an arc-shaped protrusion, a wedge-shaped block, a swing lever, a cam profile, etc.; the triggering part and the locking position have a fixed relative geometric position. When the lifting component moves downward, the driven part follows the lifting component downward synchronously and moves along the surface of the triggering part. Through mechanical linkage, it drives the locking component to overcome the elastic force of the elastic element and exit the locking position, thereby unlocking the locking assembly. In this utility model, the triggering part is entirely set on the body of the unlocking operation component. The unlocking power comes from the downward displacement of the lifting component, rather than the triggering part itself making a swinging or translating motion. The unlocking operation component is assembled on the base. In a preferred embodiment, the unlocking operation component is floatingly assembled on the base through a reset elastic element. The reset elastic element keeps the unlocking operation component in its initial position when no external force is applied and allows the unlocking operation component to produce a small displacement when an external force is applied.

[0054] Follower: Located on the lifting member, it moves vertically in sync with the lifting member, receives lateral driving force from the trigger, and transmits this driving force to the locking member. The follower can be a fixed cylinder, roller, push block, etc. A rigid linkage is established between the follower and the locking member. After the follower is laterally pressed by the trigger, it directly drives the locking member to move away from the locking position, completing the hole retraction action.

[0055] Multi-stage locking: The entire lifting stroke of the lifting component is divided into several discrete height levels. At each height level, a locking assembly can stably lock the component and bear the entire working load of the equipment. The number of locking levels is determined by the total number of locking positions, and the single lifting step distance is equal to the distance between two adjacent locking positions. The core significance of multi-stage locking is that the lifting component can stably stop and bear load at any locking position within its stroke range, rather than being limited to the two ends of the stroke.

[0056] Unloaded State: This is the condition where the lifting component does not bear the load of the entire equipment, but only the weight of its own components and internal sliding friction resistance. In the unloaded state, the drive mechanism moves the lifting component downwards without needing to overcome the enormous gravitational load of the equipment. The operator only needs to overcome the weight of the components and friction, significantly reducing the operating force. In contrast, in the loaded state, the lifting component bears the load of the equipment. At this time, the locking assembly bears the entire weight of the equipment, and the drive mechanism cannot move the lifting component downwards in the loaded state. It should be noted that the unloaded state described here is a relative description of the working condition, meaning that the first lifting component does not bear the main load of the equipment, but is not completely free from any force. This state is an explanatory working condition in the specification and is not a technical feature defined in the claims.

[0057] II. Overall Invention Concept The core inventive concept of this utility model is as follows: Two sets of independent, non-rigidly connected sliding components are provided, one first lifting component and one second lifting component. Each set of lifting components is equipped with an independent locking assembly. An unlocking operation component is mounted on the base and has multiple trigger points. These trigger points form a special geometric misalignment with the locking position on the base. Relying on this fixed geometric misalignment, the two sets of locking assemblies will not unlock simultaneously throughout the entire descent operation. At any given time, at least one set of locking assemblies remains locked to bear the equipment load, thus eliminating the significant safety risk of the equipment falling freely due to simultaneous unlocking of both sets of locks and complete loss of mechanical support from the root of the mechanical structure.

[0058] During the lifting operation, the drive mechanism alternately drives the first and second lifting components upwards via a linkage transmission assembly. Pressing down the handle drives the first lifting component upwards by one step, and lifting up the handle drives the second lifting component upwards by one step. The locking assembly has an upward-facing sliding inclined surface at the end of the locking component. When the locking component moves upwards with the lifting component, the upper hole wall of the locking position presses against the sliding inclined surface, generating a lateral force that forces the locking component to overcome the elastic force of the first elastic element and automatically retract past the locking position. After the lifting component reaches the next locking position, the first elastic element pushes the locking component back into the locking position, completing one-way passage and automatic locking. When the fixtures are arranged in pairs and equipped with rigid support components, the lifting components on both sides remain synchronized through the rigid support components. No manual operation of the unlocking mechanism is required throughout the lifting process; each press of the handle automatically completes one upward step, making operation simple.

[0059] During the descent operation, the drive mechanism alternately drives the first and second lifting components downwards via a linkage transmission assembly. Lifting the handle drives the first lifting component downwards, and pressing the handle drives the second lifting component downwards. The second lifting component cannot slide down directly under its own weight; it can only complete a step downwards after its corresponding locking component is triggered and unlocked. When not triggered, the locking component forms a rigid downward locking constraint on the second lifting component, preventing it from moving downwards regardless of the downward load. Due to a pre-set geometric misalignment between the trigger and the locking position, when one set of locking components is pushed by the trigger and the locking component completely exits the locking position to unlock, the driven component of the other set of locking components has not yet reached the highest point of the corresponding trigger. The locking component of the other set of locking components remains inserted inside the locking position, continuously bearing the entire load of the equipment. The two sets of locking components alternately unlock, slide downwards, and lock, with the load alternately transferred between them. The entire timing control system is automatically implemented based on the fixed geometric relationship of the parts, eliminating the need for operators to manually determine the unlocking timing and significantly reducing the safety risks caused by human error.

[0060] III. Explanation of Multiple Implementation Examples of Higher-Level Concepts To support the overarching generalizations of "trigger part," "follower," "locking position," and "drive mechanism" in the claims, this utility model lists various purely mechanical equivalent embodiments, all described in text and requiring no additional drawings. Those skilled in the art can reproduce them based on common knowledge.

[0061] (a) Multiple embodiments of the triggering unit The core function of the triggering part is: when the lifting component descends, it contacts the driven component, pushes the driven component laterally, and through the linkage, causes the locking component to exit the locking position. Example 1 (Preferred embodiment in this drawing): Arc-shaped protrusion triggering part: The triggering part is an arc-shaped protrusion with a smooth guide surface, a highest point, and an exit surface. The vertical distance between the two highest points of the arc-shaped protrusion is not equal to the base locking hole distance, thus forming a geometric misalignment relationship to achieve simultaneous unlocking. The driven component follows the lifting component downwards, and when it climbs the curved surface to the highest point, the locking component completely disengages from the locking position. After passing the highest point, the first elastic element drives the locking component to reset and re-engage in the locking position. The curved surface has a smooth transition, the driven component experiences continuous force, the movement impact is small, and the wear of parts is low, making it suitable for frequent disassembly and assembly conditions of heavy equipment. In this embodiment, the protrusion can be integrally milled with the unlocking operation component body, or it can be a separate part fastened to the unlocking operation component body with screws; both assembly methods can achieve the function.

[0062] Example 2: Wedge Block Trigger: The trigger is a fixed wedge block with an inclined guide surface; the vertical distance between the two wedge blocks is not equal to the locking distance. The driven member slides down along the inclined surface and is laterally pushed by the inclined surface, causing the locking member to unlock by withdrawing from the hole. The wedge block is simple to manufacture, and can be formed by milling or wire cutting, resulting in lower manufacturing costs; however, the friction between the driven member and the wedge block is sliding friction, and stress concentration is prone to occur at the junction of the inclined surface and the top. Long-term repeated operation can easily lead to wear and chipping, making it suitable for applications with low equipment disassembly and assembly frequency. The wedge block can be made of wear-resistant alloy steel to further extend its service life.

[0063] Example 3: Swing lever type trigger: The unlocking operation component body is floatingly mounted on the base and equipped with a reset elastic element. The lever is hinged to the unlocking operation component and is equipped with an independent reset spring. When the driven component moves downward and impacts the trigger end of the lever, the lever swings. The working end of the lever laterally pushes the driven component-locking component to complete the unlocking. After the driven component leaves the lever, the reset spring drives the lever back to the initial standby position. This example can amplify the unlocking thrust by adjusting the lever lever lever lever arm ratio, reducing the operating force on the driven component. However, the number of parts increases, the assembly process becomes more complex, and the spring is at risk of fatigue failure, requiring regular maintenance.

[0064] (II) Multiple embodiments of the follower Example 1 (Preferred Drawing): Fixed Cylindrical Follower: The cylinder is fixedly assembled to the lifting component. The cylinder itself does not rotate; it only moves vertically up and down following the lifting component. A line contact or narrow surface contact is formed between the cylinder's arc-shaped circumference and the triggering part. This structure has high tolerance for manufacturing and assembly tolerances; even with minor machining deviations, the unlocking action can still be reliably completed. The disadvantage is that it involves sliding friction, and long-term use will cause wear on the contact surface. Hardening treatment can be applied to the contact surface to improve wear resistance.

[0065] Example 2: Roller Follower: The follower is a freely rotating roller, which is mounted on the lifting component via a pin. Rolling contact is achieved between the roller's circumference and the triggering part. This design features low rolling friction coefficient, lower motion resistance, and significantly reduced wear on parts, making it suitable for high-frequency operation. The disadvantages are the added components of the pin, roller, and retaining ring, increasing the assembly process; and the accumulation of dust and impurities at the roller pin location, requiring regular lubrication and maintenance in dusty construction environments.

[0066] (III) Multiple embodiments of the locking position Example 1 (Preferred Drawing) Positioning Hole Locking Position: Equidistant circular positioning holes are formed on the base guide column. The locking element is inserted into the positioning hole to achieve mechanical hard locking. The downward load of the equipment is converted into the shear load of the pin. The load is borne by the metal solid and does not rely on friction, resulting in high locking reliability. The positioning holes are machined by drilling and reaming, making it easy to ensure positional accuracy. The positioning holes can be through holes or blind holes. Through holes facilitate machining and cleaning of iron filings and dust inside the hole; blind holes prevent debris from entering the guide column from the outside.

[0067] Example 2: Positioning Slot Locking Position: Vertically arranged positioning slots are formed on the base guide column, and locking components are engaged with the positioning slots to achieve locking. The contact area between the locking component and the slot body is larger, and the compressive stress per unit area is lower, making it suitable for heavy equipment with larger tonnage. However, the milling precision requirements for positioning slots are higher, the edges and corners of the slots are prone to bumping and deformation, and the manufacturing cost is higher than that of positioning holes.

[0068] (iv) Drive mechanism embodiment The drive mechanism employs a linkage transmission assembly consisting of a handle and two connecting rods; it includes a handle, a first connecting rod, and a second connecting rod. One end of the first connecting rod is hinged to a first lifting component, and the other end is fixed to or integrally formed with the handle; both ends of the second connecting rod are hinged to the first connecting rod and the second lifting component, respectively; the handle, the first connecting rod, the second connecting rod, the first lifting component, and the second lifting component together constitute the linkage transmission assembly, with all hinge points located between the handle, the connecting rod, and the two lifting components. The linkage transmission assembly is not hinged to the base. Pressing the handle raises the first lifting component upwards, and lifting the handle raises the second lifting component upwards; in reverse operation, lifting the handle moves the first lifting component downwards, and pressing the handle moves the second lifting component downwards; the first and second lifting components alternately rise and fall. The entire mechanism consists entirely of hinged rigid rods, without any precision parts such as lead screws or gears, making it resistant to dust and oil contamination on the construction site. The length of the handle lever can be adjusted according to the estimated tonnage of the equipment. The longer the handle, the greater the force amplification factor, and the less hand force the operator needs to apply. However, the swing stroke of the handle also increases accordingly, requiring sufficient operating space to be reserved on site.

[0069] Part Two: Preferred Embodiments with Reference to the Drawings like Figures 1-8 As shown, this embodiment is a fixture for disassembling heavy precision equipment from the transport wooden pallet MT and placing it on the ground. The fixture includes two sets of lifting devices: a first lifting device 100 and a second lifting device 200, as well as a rigid support member 300 erected between the two lifting devices. The outer shell SBWK of the equipment to be disassembled is placed on the rigid support member 300. The entire fixture is used in pairs, with the left and right lifting devices sharing the total weight of the equipment, reducing the load pressure on a single lifting device.

[0070] A single lifting device includes a base 110, a first lifting component 121, a second lifting component 122, a drive mechanism 130, a first locking assembly 140, a second locking assembly 150, and an unlocking operation component 160. The base 110 is composed of a base body 111 and a multi-hole guide post 112 welded together. The multi-hole guide post 112 has several equally spaced positioning holes 112a along the vertical direction as locking positions. The multi-hole guide post is made of high-strength alloy steel, and the positioning holes 112a are hardened after machining to improve the shear resistance and wear resistance of the hole walls. The base body 111 serves as a ground base, increasing the contact area and preventing the tooling from partially sinking or tipping over during operation.

[0071] The first lifting component 121 and the second lifting component 122 are independent of each other and are slidably sleeved on the outside of the porous guide post 112. They are not rigidly connected and can freely move relative to each other in the vertical direction. The first lifting component 121 is hinged to the drive mechanism 130 for transmission; the second lifting component 122 is connected to the drive mechanism 130 via the second connecting rod 133, forming a linkage transmission assembly with the first lifting component 121 to achieve alternating lifting. The first lifting component 121, the second lifting component 122, and the porous guide post 112 are in a clearance sliding fit, with the clearance controlled within a reasonable range: if the clearance is too large, the lifting components will wobble or skew; if the clearance is too small, temperature changes or dust entry can easily cause jamming.

[0072] The drive mechanism 130 includes a handle 131, a first connecting rod 132, and a second connecting rod 133. The handle 131 and the first connecting rod 132 are integrally formed or bolted together. The end of the first connecting rod 132 away from the handle is hinged to the first hinge adapter hole 121b of the first lifting member 121. One end of the second connecting rod 133 is hinged to the first connecting rod 132, and the other end is hinged to the second lifting member 122. The handle 131, the first connecting rod 132, the second connecting rod 133, the first lifting member 121, and the second lifting member 122 together form a linkage transmission assembly. All hinge points of the entire linkage transmission assembly are located between the handle, the connecting rod, the first lifting member, and the second lifting member. The linkage transmission assembly is not hinged to the base 110. All hinge positions are equipped with pins and retaining rings, and the pins are equipped with a lubrication structure. Pressing the handle 131 causes the linkage drive assembly to lift the first lifting member 121 upward; lifting the handle 131 causes the linkage drive assembly to lift the second lifting member 122 upward; in the reverse operation, lifting the handle 131 causes the first lifting member 121 to move downward, and pressing the handle 131 causes the second lifting member 122 to move downward; the first lifting member 121 and the second lifting member 122 alternately lift and lower.

[0073] The first locking assembly 140 is mounted on the first lifting member 121, and the second locking assembly 150 is mounted on the second lifting member 122; the two locking assemblies have completely identical structures. Taking the first locking assembly 140 as an example: the first locking assembly 140 includes a first pin 141, a first driven member 142, and a first elastic member; the first elastic member is a compression spring, which continuously pushes the first pin 141 towards the positioning hole 112a; the pre-compression of the spring is designed to ensure that the pin can be fully inserted into the positioning hole when there is no external force interference, and at the same time, when the driven member is squeezed by the trigger part, the spring can be smoothly compressed, and the pin can be completely withdrawn from the positioning hole. The end of the first pin 141 facing the positioning hole 112a is provided with an upwardly inclined sliding inclined surface 141a. The first follower 142 is a fixedly assembled cylinder, and the first follower 142 and the first pin 141 form a rigid linkage structure. When the first follower 142 is pushed laterally by the trigger part, it can directly drive the first pin 141 to overcome the spring force and move away from the positioning hole, thus realizing the pin exiting the positioning hole. Both the pin and the follower are made of wear-resistant steel, and the contact surfaces are hardened to improve their service life under repeated operation.

[0074] The unlocking actuator 160 is floatingly assembled to the side of the base 110 via a guide structure and a reset elastic element. The reset elastic element allows the unlocking actuator 160 to maintain its initial assembly position when not subjected to external force, and allows for slight displacement when subjected to impact. The unlocking actuator 160 is detachable. The unlocking actuator 160 includes an actuator body 161, a first protrusion 162, and a second protrusion 163. The first protrusion 162 and the second protrusion 163 are arc-shaped protrusions serving as trigger parts. The vertical distance between the highest points of the two arc-shaped protrusions is not equal to the hole spacing of the positioning holes 112a on the multi-hole guide post 112. Relying on this geometric misalignment, the two sets of locking components will not unlock simultaneously. The arc-shaped protrusions are provided with smooth inlet and outlet surfaces. As the follower moves downward, the cylindrical follower climbs along the surface. When it reaches the highest point of the protrusion, the pin completely exits the positioning hole. After the follower passes the highest point, the spring pushes the pin back into the positioning hole. The unlocking mechanism is assembled with a detachable structure, allowing for direct replacement of spare parts after wear, without scrapping the entire base. The preload of the reset elastic element is adjusted and set to ensure that the unlocking mechanism maintains its initial position when no external force is applied, maintaining the designed geometric misalignment between the two protrusions and the positioning holes; during operation, a small amount of yielding and buffering displacement of the unlocking mechanism is allowed.

[0075] Both the first lifting component 121 and the second lifting component 122 have outwardly extending support plates 123, with a right-angled triangular support portion 124 integrally formed on the support plate 123. The support portion 124 has a horizontal upper surface and a vertical limiting side surface. The two ends of the rigid support component 300 rest directly on the horizontal upper surface of the support portion 124 of the left and right lifting devices, and the vertical side surface of the support portion 124 prevents the rigid support component 300 from sliding outward along its length. There is no welding or bolt fastening between the rigid support component 300 and the support portion 124, and it is a detachable and stackable fit. When disassembling and transporting, the rigid support component can be directly removed to reduce the transportation volume.

[0076] like Figure 3 As shown, diagonal braces 210 are arranged on both sides of the width direction at each end of the rigid support member 300. The lower ends of the diagonal braces 210 converge and are welded and fixedly connected to the support portion 124, while the upper ends of the diagonal braces 210 merely abut against the bottom sides of the rigid support member 300 and are not rigidly fixedly connected to the rigid support member 300. The diagonal braces, the support portion, and the ends of the rigid support member together form a triangular support structure, resisting the outward expansion deformation and torsional deformation of the rigid support member after being loaded, thereby improving the structural rigidity of the entire support system. The diagonal braces bear compressive stress and transfer the lateral force of the outward expansion of the ends of the rigid support member to the support portion, preventing the support portion from bearing the lateral load solely through the root weld.

[0077] The rigid support component 300 serves as the intermediate force transmission component. The overall weight of the equipment rests on the rigid support component 300 and is then transmitted to the two sets of lifting devices on the left and right. The rigid support component is made of high-strength profiles and has sufficient bending stiffness, which can force the lifting components of the two lifting devices on both sides to maintain synchronous height and prevent the equipment from tilting.

[0078] Part Three: Complete Workflow of Preferred Embodiments, including stress conditions and safety specifications. I. Equipment Lifting and Ascending Operation Process Pre-operation preparation: Position the entire tooling set. The rigid support component 300 is positioned between the bottom of the equipment shell SBWK to be disassembled and the transport wooden pallet MT. Two lifting devices are positioned on the left and right sides of the equipment, respectively. When setting up the tooling, ensure the base of the entire tooling set is level; the ground should not collapse or be suspended to prevent the tooling from tipping over during operation. Initially, both the first pin 141 and the second pin 151 are inserted into the positioning holes 112a of the base under the action of the first elastic element, and the locking assembly is in the locked state. At this time, the weight of the equipment is borne by the transport wooden pallet; the tooling is only in pre-contact and has not yet borne the equipment load.

[0079] The operator repeatedly presses down on the handle 131 of the drive mechanism 130, causing the linkage transmission assembly to drive the first lifting member 121 upward. During the upward movement of the first lifting member 121, the upward-facing sliding inclined surface 141a of the first pin 141 presses against the upper wall of the positioning hole 112a; the hole wall exerts a lateral force on the inclined surface, forcing the first pin 141 to overcome the elastic force of the first elastic element and automatically exit the current positioning hole. During this process, the spring is compressed and stores energy; the first lifting member 121 moves upward past the current locking position, and the pin slides along the outer wall of the guide post; when the first lifting member 121 moves upward to the adjacent upper positioning hole position, the pin and the positioning hole are aligned, and the first elastic element releases its elastic force, pushing the pin back into the positioning hole, completing a single-step upward locking. After the pin is engaged in the positioning hole, the upper surface of the pin abuts against the upper wall of the positioning hole, bearing the downward shear load.

[0080] When the operator presses down on handle 131, the linkage drive assembly moves the first lifting component 121 upward by one step; when the operator lifts up on handle 131, the linkage drive assembly moves the second lifting component 122 upward by one step. During the ascent, the pins of both lifting components are retracted by being pressed against the wall of the positioning hole by their own sliding inclined surfaces, and after passing the hole, the spring rebounds and locks them again. The first lifting component 121 and the second lifting component 122 rise alternately, and the equipment is raised by two steps with each press-down and lift-up operation. By cyclically operating the handle, the equipment is gradually raised until the bottom of the equipment is completely detached from the transport wooden support below.

[0081] After the equipment is raised to its position, the pin remains locked in the positioning hole. The weight of the equipment is borne by the mechanical contact between the pin and the wall of the positioning hole, requiring no additional locking devices, and the equipment remains stably suspended. In this state, even if the handle is not subjected to external force, the equipment will not fall back down. At this point, the transport wooden support below can be removed directly. Note: After raising the equipment, it is necessary to visually confirm that the pin is fully inserted into the positioning hole. A critical load-bearing condition where the pin is partially inserted or partially withdrawn is prohibited.

[0082] II. Step-by-step descent and landing operation process After removing the transport wooden pallet MT, tooling needs to be operated to gradually lower the equipment until the equipment feet touch the ground.

[0083] The operator lifts handle 131, causing the linkage transmission assembly to move the first lifting member 121 downwards. At this time, the equipment load is borne by one of the locking components, and the first lifting member 121 no longer bears the main load of the equipment, only the weight of its own components and the interaction forces within the mechanism. As the first lifting member 121 moves downwards, the first driven member 142 fixed to the first lifting member 121 moves downwards, contacting the corresponding first protrusion 162 on the unlocking operation member 160 and guiding it onto the curved surface. The first driven member 142 continues to climb along the curved surface of the arc protrusion, driving the first pin 141 to overcome the spring force and gradually exit the positioning hole 112a through the rigid linkage structure. When the first driven member 142 reaches the highest point of the first protrusion 162, the first pin 141 is completely disengaged from the positioning hole, the first locking assembly 140 is unlocked, and the first lifting member 121 slides downwards by one step. When the first driven member 142 passes the highest point of the protrusion, the first elastic member pushes the first pin 141 to re-engage in the next level positioning hole, and the first locking assembly 140 locks again.

[0084] Because the vertical spacing between the first protrusion 162 and the second protrusion 163 is not equal to the hole spacing of the base positioning hole, when the first locking component 140 is fully unlocked, the second driven component 152 on the second lifting component 122 has not reached the highest point of the corresponding second protrusion 163. The pin of the second locking component 150 remains inserted inside the positioning hole 112a, and the second locking component 150 maintains the locked state, bearing the load of the equipment throughout the process, and the equipment will not completely lose mechanical support.

[0085] After the first lifting component 121 is locked in a single step downward, the load switching is taken over by the first locking component 140. The operator presses down the handle 131, and the linkage transmission component drives the second lifting component 122 to move downward. During the movement, the second driven component 152 triggers the corresponding unlocking action of the second locking component 150. The second lifting component 122 unlocks and moves downward to complete one step. After completion, the second locking component 150 locks again.

[0086] This cycle repeats continuously, with the first locking component 140 and the second locking component 150 alternately triggering unlocking, alternating downward steps, and alternately absorbing the equipment load. Each downward movement of the equipment is strictly limited to a single step distance of the positioning hole, preventing long-distance freefall. The entire descent process automatically achieves staggered unlocking timings based on a fixed geometric misalignment, eliminating the need for the operator to manually determine the timing of the two sets of locks.

[0087] Continuously operate the handle in a circular motion, causing the equipment to step downwards until its feet fully contact the ground, transferring the equipment's weight to the ground. At this point, the tooling no longer bears the main load of the equipment. Afterwards, continue operating the handle to release the stress on the tooling and rigid support components, allowing the rigid support components and two lifting devices to be removed from the bottom of the equipment, completing the disassembly of the equipment from the transport carriage.

[0088] Part Four: Assembly, Debugging, Maintenance, Adaptability to Operating Conditions, and Deformation Expansion Explanation While this embodiment uses the above-described structure as a preferred solution, it is not limited to this. Various adaptive modifications can be made without altering the core concept of this invention.

[0089] For example, the driven part can be replaced with a roller structure to reduce motion resistance by rolling friction; the trigger part can be replaced with a wedge block; the locking position can be replaced with a positioning hole; the hinge position and the length of the connecting rod transmission assembly can be adaptively adjusted according to the actual force amplification factor required.

[0090] The lifting devices can be used in pairs with rigid support components as a complete set, or a single lifting device can be used independently in other equipment lifting fixtures. The unlocking operation parts are detachable and can be replaced with spare parts with different protrusion spacing according to different timing requirements, adapting to different base specifications and equipment tonnage working conditions.

[0091] The key points for assembly and debugging are as follows: During assembly, it is necessary to ensure that: the pin of the locking component can slide flexibly back and forth without jamming; the spring pre-compression is properly adjusted, without jamming or overpressure failure; the engagement position of the driven part and the trigger part is accurate, ensuring that the pin can completely exit the positioning hole when the driven part climbs to the highest point of the protrusion; the misalignment distance of the protrusions must be processed strictly according to the dimensions in the drawings to ensure that there is no risk of both sets of locking components unlocking simultaneously. During assembly, the preload of the reset elastic element of the unlocking operation component also needs to be adjusted to ensure that the unlocking operation component maintains its initial position when no external force is applied, maintaining the designed geometric misalignment between the two protrusions and the positioning hole; at the same time, a small amount of yielding and buffer displacement is allowed during operation to avoid rigid collisions damaging parts. After assembly, a no-load lifting test is required to confirm that each step of the lifting and lowering locking and unlocking action is normal before it can be put into actual operation on the carrying equipment.

[0092] It should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A tooling for detaching equipment from a transport carriage, characterized in that, Includes a lifting device, the lifting device comprising: The base has multiple locking positions; The first lifting component and the second lifting component are independently and slidably assembled on the base, and at least one of the lifting components is used to support the equipment to be disassembled; A drive mechanism, connected between the first lifting member and the second lifting member, is used to alternately drive the first lifting member and the second lifting member to move up and down relative to the base; The first locking component and the second locking component are respectively disposed between the first lifting member and the second lifting member and the base. Each locking component is configured to allow the corresponding lifting member to slide upward in one direction relative to the base, and to form a locking constraint on the downward sliding of the corresponding lifting member, and to lock the corresponding lifting member in any locking position. An unlocking mechanism, assembled on the base, has multiple trigger parts, each of which corresponds to a locking component. The relative positional relationship between the plurality of triggering units and the plurality of locking positions is configured such that during the descent, the first locking component and the second locking component will not unlock simultaneously, and at any time at least one of them remains locked to bear the load of the device.

2. The tooling for disassembling equipment from a transport carriage according to claim 1, characterized in that, The lifting device is provided in two parts, and a rigid support member is connected between the lifting components of the two lifting devices. The rigid support member is used to support the equipment to be disassembled.

3. The tooling for disassembling equipment from a transport carriage according to claim 2, characterized in that, The lifting component has a right-angled triangular support portion protruding along the length of the rigid support member. The two ends of the rigid support member are respectively placed on the support portions of the two lifting devices and supported from below by the support portions.

4. The tooling for disassembling equipment from a transport carriage according to claim 3, characterized in that, The rigid support member has diagonal braces on both sides below its end. The upper ends of the two diagonal braces abut against the bottom surfaces of the rigid support member in the width direction, and the lower ends converge downwards to connect with the support portion. The diagonal braces, the rigid support member, and the support portion form a triangular support structure.

5. The tooling for disassembling equipment from a transport carriage according to claim 1, characterized in that, The locking position is a positioning hole that is spaced out on the base in a vertical direction; the locking assembly includes a pin and a first elastic element, the pin is movably assembled to a corresponding lifting element, and the first elastic element is used to push the pin toward the locking position.

6. The tooling for disassembling equipment from a transport carriage according to claim 5, characterized in that, The pin has a sliding inclined surface at one end facing the locking position, and the sliding inclined surface is inclined upward; when the lifting member slides upward relative to the base, the sliding inclined surface abuts against the upper hole wall of the current locking position, forcing the pin to exit the current locking position.

7. The tooling for disassembling equipment from a transport carriage according to claim 5, characterized in that, The trigger part of the unlocking operation component is a protrusion, and the lifting component is provided with a driven component that cooperates with the protrusion. The driven component is linked with the pin. When the lifting component moves downward, the driven component moves along the surface of the protrusion, causing the pin to overcome the elastic force of the first elastic component and exit the current locking position.

8. The tooling for disassembling equipment from a transport carriage according to claim 7, characterized in that, The protrusion has a smoothly transitioned guide surface. When the follower moves along the surface to the highest point of the protrusion, the pin completely exits the current locking position.

9. The tooling for disassembling equipment from a transport carriage according to claim 7, characterized in that, The driven member is a cylinder fixedly mounted on the lifting member, and the circumferential surface of the cylinder is used to slide in contact with the protrusion.

10. A lifting device for a tooling for disassembling equipment from a transport carriage as described in any one of claims 1 to 9, characterized in that, include: The base has multiple locking positions; The first lifting component and the second lifting component are independently and slidably assembled on the base; A drive mechanism, connected between the first lifting member and the second lifting member, is used to alternately drive the first lifting member and the second lifting member to move up and down relative to the base; The first locking component and the second locking component are respectively disposed between the first lifting member and the second lifting member and the base; The unlocking mechanism, mounted on the base, has multiple triggering parts. The relative positional relationship between the multiple triggering parts and the multiple locking positions is configured such that during descent, the first locking component and the second locking component will not unlock simultaneously, and at least one of them remains locked at any time to bear the equipment load.

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