Vertical dismounting device for hydraulic oil cylinder
By designing an L-shaped main body base, a moving trolley mechanism, and a vertical assembly and disassembly device for the rotating extrusion head, the problems of swaying and inaccurate positioning of the piston assembly during hoisting were solved, enabling rapid and safe assembly of the hydraulic cylinder.
Patent Information
- Application Number
- CN202520000343.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-02
AI Technical Summary
When assembling hydraulic cylinders outdoors, the piston assembly is prone to shaking during hoisting, which can lead to safety hazards. In addition, inaccurate manual calibration and positioning can easily cause the center of the piston assembly and cylinder body assembly to shift.
A vertical assembly and disassembly device is adopted, which includes an L-shaped main body, a moving trolley mechanism and a rotating extrusion head. Through the combination of positioning mechanism, lifting mechanism and walking mechanism, the piston assembly can be quickly positioned and its height adjusted, ensuring that the piston assembly is aligned with the center of the cylinder assembly.
It improves the safety and accuracy of hydraulic cylinder assembly, reduces the safety hazards of manual operation, and ensures the alignment and positioning accuracy of the piston assembly and cylinder body assembly.
Smart Images

Figure CN223604293U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to hydraulic cylinder dismounting machine technical field, concretely relates to a vertical dismounting device for hydraulic oil cylinder. BACKGROUND
[0002] The hydraulic cylinder dismounting machine is a special equipment for dismounting and assembling the hydraulic cylinder, which is mainly composed of an operation table, a clamping mechanism, a hydraulic rotating mechanism and the like, and can clamp and rotate the hydraulic cylinder to facilitate the dismounting and assembling work.
[0003] When assembling the hydraulic oil cylinder outdoors, the vertical hydraulic cylinder dismounting machine is used, the cylinder body assembly is placed on the mobile trolley, the lifting assembly and the limiting assembly on the mobile trolley limit the cylinder body assembly, the movable column assembly is hoisted to be close to the top of the cylinder body assembly, the staff adjusts the position of the movable column assembly to ensure that the movable column assembly and the cylinder body assembly are located at the same center, the movable column assembly cannot directly fall into the bottom of the cylinder body assembly, the movable column assembly is sent into the inside of the cylinder body assembly by extruding the movable column assembly with the machine head of the hydraulic cylinder dismounting machine, the guide sleeve and the die wrench are placed on the cylinder port, the machine head is rotated, and the hydraulic oil cylinder is assembled, the movable column assembly is prone to shaking during hoisting, and the staff at the position is prone to collision, which has a safety hazard, and manual calibration and positioning are not accurate enough, which can easily cause the center of the movable column assembly and the cylinder body assembly to deviate, and a new vertical dismounting device for hydraulic oil cylinder is proposed for the above problems. SUMMARY
[0004] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.
[0005] To solve the above problems, the utility model adopts the following technical solutions.
[0006] The vertical dismounting device for hydraulic oil cylinder comprises an L-shaped main body seat, a moving trolley mechanism and a rotary extrusion machine head, the moving trolley mechanism is slidably installed on the L-shaped main body seat, the rotary extrusion machine head is installed above the moving trolley mechanism, a positioning mechanism for positioning the hydraulic oil cylinder assembly is arranged above the moving trolley mechanism, the positioning mechanism comprises a positioning installation shell, movable rods, a transmission rod, one-way screws, a toothed belt, a driving motor and an adjusting assembly, the positioning installation shell is arranged above the moving trolley mechanism, the movable rods are symmetrically and slidably installed in the positioning installation shell, the transmission rod is rotatably installed in the positioning installation shell, the one-way screws are symmetrically and rotatably installed in the positioning installation shell and are in engagement with the movable rods, the flat gears are symmetrically installed on the transmission rod, the flat gears are installed on one side of the one-way screws, the toothed belt is in engagement with the flat gears of the one-way screws and is arranged in the positioning installation shell, the driving motor is installed on one side of the positioning installation shell and is connected with one side of the transmission rod, and the adjusting assembly is installed on the transmission rod.
[0007] As the vertical dismounting device for hydraulic oil cylinder of the utility model, the adjusting assembly comprises an adjusting installation shell, adjusting blocks and a bidirectional screw, the adjusting installation shell is installed on the transmission rod, the adjusting blocks are symmetrically and slidably installed in the adjusting installation shell, and the bidirectional screw is rotatably installed in the adjusting installation shell and is in engagement with the adjusting blocks.
[0008] As the vertical dismounting device for hydraulic oil cylinder of the utility model, lifting mechanisms for adjusting height are symmetrically arranged below the positioning mechanism, and walking mechanisms for movement are symmetrically installed on the upper surfaces of the moving trolley mechanisms and are connected with the lower surfaces of the lifting mechanisms.
[0009] As the vertical dismounting device for hydraulic oil cylinder of the utility model, the lifting mechanism comprises a mounting base, a retractable cylinder and an extension rod, the mounting base is symmetrically arranged below the positioning mechanism, the retractable cylinder is rotatably installed on the mounting base, the extension rod is arranged in the retractable cylinder and is connected with the lower surface of the rotary extrusion machine head at the top end, an arc-shaped groove is formed in the retractable cylinder, the cylindrical block is installed on the extension rod and is slidably connected with the arc-shaped groove of the retractable cylinder.
[0010] As the vertical dismounting device for hydraulic oil cylinder of the utility model, the lifting mechanism further comprises a protective shell, a first electric push rod and a rack, the protective shell is installed on the upper surface of the mounting base, the first electric push rod is installed in the protective shell, the flat gear is installed at the bottom end of the retractable cylinder, the rack is slidably installed on the protective shell and is in engagement with the flat gear of the retractable cylinder, and the moving end of the first electric push rod is connected with the rack.
[0011] As a kind of hydraulic oil cylinder's vertical dismounting device preferred technical scheme of the utility model, walking mechanism includes walking guide rail, walking sliding block and second electric push rod, walking guide rail is symmetrically installed on the upper surface of mobile trolley mechanism, walking sliding block is slidably installed in walking guide rail, and the upper surface of walking sliding block is connected with lifting mechanism, second electric push rod is installed in walking guide rail, and the moving end of second electric push rod is connected with walking sliding block.
[0012] As a kind of hydraulic oil cylinder's vertical dismounting device preferred technical scheme of the utility model, mobile trolley mechanism is composed of moving frame, lifting seat and limit seat, moving frame is slidably installed on L-shaped main seat, lifting seat is installed on moving frame, and limit seat is installed in lifting seat.
[0013] Compared with prior art, the utility model has the beneficial effects that:
[0014] In the utility model, the driving motor output shaft drives the transmission rod to rotate in the positioning installation shell, the transmission rod flat gear cooperates with the toothed belt, drives two one-way screws to rotate in the same direction, moves the movable rod out of or into the positioning installation shell, drives the adjusting assembly to approach or move away from each other, quickly positions the piston rod assembly of the hydraulic oil cylinder, and the hydraulic oil cylinder can be quickly assembled.
[0015] In the utility model, the first electric push rod is extended to drive the rack to contact the bottom flat gear of the telescopic cylinder, moves the telescopic rod out of the telescopic cylinder, the first electric push rod is retracted, moves the telescopic rod into the telescopic cylinder, adjusts the height of the positioning mechanism, and adapts to piston rod assemblies of different heights. DRAWINGS
[0016] Figure 1 The utility model provides an overall structure schematic view;
[0017] Figure 2 The utility model provides a mobile trolley mechanism structure schematic view;
[0018] Figure 3 The utility model provides a positioning mechanism structure schematic view;
[0019] Figure 4 The utility model provides an adjusting assembly structure schematic view;
[0020] Figure 5 The utility model provides a lifting mechanism structure schematic view;
[0021] Figure 6 The utility model provides a walking mechanism structure schematic view.
[0022] The correspondence between the annotations of various drawings in the figure and the component names is as follows:
[0023] 1, L-shaped main body seat; 2, moving trolley mechanism; 3, rotating extrusion machine head; 4, positioning mechanism; 41, positioning installation shell; 42, movable rod; 43, transmission rod; 44, one-way screw; 45, toothed belt; 46, drive motor; 47, adjusting assembly; 471, adjusting installation shell; 472, adjusting block; 473, bidirectional screw; 5, lifting mechanism; 51, installation base; 52, retracting cylinder; 53, telescopic rod; 54, protective shell; 55, first electric push rod; 56, rack; 6, walking mechanism; 61, walking guide rail; 62, walking sliding block; 63, second electric push rod. DETAILED DESCRIPTION
[0024] In order to make the above-mentioned purposes, features and advantages of the present application more apparent, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.
[0025] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a variety of ways beyond the specific details set forth herein, without departing from the scope of the present application. It can be apparent to one skilled in the art that the present application can be practiced without the specific details set forth in the following description. In other instances, well-known structures have not been described in detail in order to avoid obscuring the present application.
[0026] Secondly, the "one embodiment" or "embodiment" referred to herein can include specific features, structures or characteristics contained in at least one implementation of the present application. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. The present application provides the following embodiments.
[0027] As Figure 1 , Figure 2 and Figure 3It is a schematic diagram of the vertical dismounting device for hydraulic cylinder in the embodiment. The vertical dismounting device for hydraulic cylinder in the embodiment comprises an L-shaped main body seat 1, a moving trolley mechanism 2 and a rotary extruding machine head 3. The moving trolley mechanism 2 is slidably installed on the L-shaped main body seat 1. The rotary extruding machine head 3 is installed on the L-shaped main body seat 1 above the moving trolley mechanism 2. A positioning mechanism 4 for positioning the hydraulic cylinder assembly is arranged above the moving trolley mechanism 2. The positioning mechanism 4 comprises a positioning installation shell 41, a movable rod 42, a transmission rod 43, a one-way screw rod 44, a toothed belt 45, a driving motor 46 and an adjusting assembly 47. The positioning installation shell 41 is arranged above the moving trolley mechanism 2. The movable rod 42 is symmetrically slidably installed inside the positioning installation shell 41. The transmission rod 43 is rotatably installed inside the positioning installation shell 41. The one-way screw rod 44 is symmetrically rotatably installed inside the positioning installation shell 41 and is engaged with the movable rod 42. The flat gears are symmetrically installed on the transmission rod 43. The flat gears are installed on one side of the one-way screw rod 44. The toothed belt 45 is engaged with the flat gears of the transmission rod 43 and is installed inside the positioning installation shell 41. The driving motor 46 is installed on one side of the positioning installation shell 41 and is connected with one side of the transmission rod 43. The adjusting assembly 47 is installed on the transmission rod 43.
[0028] In the embodiment, the cylinder body assembly of the hydraulic cylinder is placed on the moving trolley mechanism 2. The hook drives the piston rod assembly to move above the cylinder body assembly. The driving motor 46 is started. The output shaft of the driving motor 46 drives the transmission rod 43 to rotate. The flat gears of the transmission rod 43 contact the toothed belt 45. The two one-way screw rods 44 are driven to rotate in the same direction. The movable rod 42 is moved out of or into the positioning installation shell 41. The adjusting assembly 47 is driven to move close to or away from each other. The adjusting assembly 47 clamps and positions the piston rod assembly. The cylinder body assembly is aligned with the center of the piston rod assembly. The moving trolley mechanism 2 moves below the rotary extruding machine head 3. The rotary extruding machine head 3 extrudes the piston rod assembly into the cylinder body assembly. The hydraulic cylinder is quickly assembled.
[0029] As shown in Figure 4 , the adjusting assembly 47 comprises an adjusting installation shell 471, an adjusting block 472 and a bidirectional screw rod 473. The adjusting installation shell 471 is installed on the transmission rod 43. The adjusting block 472 is symmetrically slidably installed inside the adjusting installation shell 471. The bidirectional screw rod 473 is rotatably installed inside the adjusting installation shell 471 and is engaged with the adjusting block 472.
[0030] In the embodiment, when facing the piston rod assemblies with different diameters, the worker rotates the bidirectional screw rod 473. The adjusting block 472 is driven to move close to or away from each other along the inside of the adjusting installation shell 471. The movable rod 42 can clamp and position the piston rod assemblies with different diameters. The applicability of the positioning mechanism 4 is improved.
[0031] AsFigure 2 As shown, the lifting mechanism 5 is symmetrically arranged below the positioning mechanism 4 for adjusting the height, and the walking mechanism 6 is symmetrically arranged on the upper surface of the moving trolley mechanism 2 for moving, and the lower surface of the lifting mechanism 5 is connected with the walking mechanism 6.
[0032] In this embodiment, the walking mechanism 6 moves the positioning mechanism 4 to one side, facilitating the hook to put the cylinder assembly into the moving trolley mechanism 2, and the lifting mechanism 5 can adjust the height of the positioning mechanism 4 to cooperate with the live column assembly of different lengths.
[0033] As shown in the figure, Figure 5 The lifting mechanism 5 includes a mounting base 51, a retractable cylinder 52 and a telescopic rod 53, the mounting base 51 is symmetrically arranged below the positioning mechanism 4, the retractable cylinder 52 is rotatably arranged on the mounting base 51, the telescopic rod 53 is arranged in the retractable cylinder 52, the top end of the telescopic rod 53 is connected with the lower surface of the rotary extrusion machine head 3, an arc-shaped slot is arranged on the retractable cylinder 52, a cylindrical block is arranged on the telescopic rod 53, and the cylindrical block of the telescopic rod 53 is slidably connected with the arc-shaped slot of the retractable cylinder 52, the lifting mechanism 5 further includes a protective shell 54, a first electric push rod 55 and a rack 56, the protective shell 54 is arranged on the upper surface of the mounting base 51, the first electric push rod 55 is arranged in the protective shell 54, a flat gear is arranged at the bottom end of the retractable cylinder 52, the rack 56 is slidably arranged on the protective shell 54 and is in meshing connection with the flat gear of the retractable cylinder 52, and the moving end of the first electric push rod 55 is connected with the rack 56.
[0034] In this embodiment, the first electric push rod 55 is started, the moving end of the first electric push rod 55 is elongated, the rack 56 is driven to contact the flat gear at the bottom end of the retractable cylinder 52, the telescopic rod 53 moves out of the retractable cylinder 52, the positioning mechanism 4 is driven to move upward, the first electric push rod 55 is retracted, the telescopic rod 53 is driven to enter the retractable cylinder 52, and the positioning mechanism 4 is moved downward, the positioning mechanism 4 is controlled to move up and down, and the height of the positioning mechanism 4 is adjusted.
[0035] As shown in the figure, Figure 6 The walking mechanism 6 includes a walking guide rail 61, a walking sliding block 62 and a second electric push rod 63, the walking guide rail 61 is symmetrically arranged on the upper surface of the moving trolley mechanism 2, the walking sliding block 62 is slidably arranged in the walking guide rail 61, and the upper surface of the walking sliding block 62 is connected with the lifting mechanism 5, the second electric push rod 63 is arranged in the walking guide rail 61, and the moving end of the second electric push rod 63 is connected with the walking sliding block 62.
[0036] In this embodiment, the second electric push rod 63 in the walking guide rail 61 is started, the second electric push rod 63 is elongated, the walking sliding block 62 is driven to move to one side, the positioning mechanism 4 is moved to one side of the upper surface of the moving trolley mechanism 2, after the cylinder assembly enters the moving trolley mechanism 2, the second electric push rod 63 is retracted, the positioning mechanism 4 is driven to approach the cylinder assembly, and the live column assembly is facilitated to be positioned.
[0037] As Figure 2 shown, the mobile trolley mechanism 2 is composed of a moving frame, a lifting seat and a limiting seat, the moving frame is slidably installed on the L-shaped main body seat 1, the lifting seat is installed on the moving frame, and the limiting seat is installed inside the lifting seat.
[0038] In the embodiment, the cylinder assembly is hoisted close to the moving frame, the cylinder assembly enters the inside of the limiting seat, positioning is performed, and the lifting seat adjusts the height of the cylinder assembly.
[0039] The above is a further detailed description of the utility model in combination with the specific embodiments, and the specific implementation of the utility model cannot be limited to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all of them should be regarded as belonging to the protection range determined by the claims submitted by the utility model.
Claims
1. A vertical dismounting device for hydraulic oil cylinder, comprising an L-shaped main body seat (1), a moving trolley mechanism (2) and a rotating extrusion machine head (3), the moving trolley mechanism (2) is slidably installed on the L-shaped main body seat (1), the rotating extrusion machine head (3) is installed on the L-shaped main body seat (1) and located above the moving trolley mechanism (2), characterized in that: The mobile trolley mechanism (2) is provided with a positioning mechanism (4) above for positioning the hydraulic oil cylinder assembly, the positioning mechanism (4) comprises a positioning installation shell (41), a movable rod (42), a transmission rod (43), a one-way screw rod (44), a toothed belt (45), a driving motor (46) and an adjusting assembly (47), the movable trolley mechanism (2) is provided with the positioning installation shell (41) above, the movable rod (42) is symmetrically and slidably installed inside the positioning installation shell (41), the transmission rod (43) is rotatably installed inside the positioning installation shell (41), the one-way screw rod (44) is rotatably installed inside the positioning installation shell (41) and is in meshing connection with the movable rod (42), the flat gear is symmetrically installed on the transmission rod (43), the flat gear is installed on one side of the one-way screw rod (44), the toothed belt (45) is in meshing connection with the flat gear of the one-way screw rod (44) and is located inside the positioning installation shell (41), the driving motor (46) is installed on one side of the positioning installation shell (41), the output shaft of the driving motor (46) is connected with one side of the transmission rod (43), and the adjusting assembly (47) is installed on the transmission rod (43). 2. A vertical dismounting device for hydraulic cylinders according to claim 1, characterized in that The adjusting assembly (47) comprises an adjusting installation shell (471), an adjusting block (472) and a bidirectional screw rod (473), the adjusting installation shell (471) is installed on the transmission rod (43), the adjusting block (472) is symmetrically and slidably installed inside the adjusting installation shell (471), and the bidirectional screw rod (473) is rotatably installed inside the adjusting installation shell (471) and is in meshing connection with the adjusting block (472).
3. The vertical dismounting device for hydraulic cylinder according to claim 1, characterized in that, The lifting mechanism (5) for adjusting the height is symmetrically arranged below the positioning mechanism (4), the walking mechanism (6) for moving is symmetrically installed on the upper surface of the movable trolley mechanism (2), and the lower surface of the lifting mechanism (5) is connected with the walking mechanism (6).
4. The vertical dismounting device for hydraulic cylinders according to claim 3, characterized in that The lifting mechanism (5) comprises an installation base (51), a contraction cylinder (52) and a telescopic rod (53), the installation base (51) is symmetrically arranged below the positioning mechanism (4), the contraction cylinder (52) is rotatably installed on the installation base (51), the telescopic rod (53) is arranged inside the contraction cylinder (52), the top end of the telescopic rod (53) is connected with the lower surface of the rotary extrusion machine head (3), the arc-shaped groove is formed in the contraction cylinder (52), the cylindrical block is installed on the telescopic rod (53), and the cylindrical block of the telescopic rod (53) is in sliding connection with the arc-shaped groove of the contraction cylinder (52).
5. A vertical dismounting device for hydraulic cylinders according to claim 4, characterized in that The lifting mechanism (5) further comprises a protective shell (54), a first electric push rod (55) and a rack (56), the protective shell (54) is installed on the upper surface of the installation base (51), the first electric push rod (55) is installed inside the protective shell (54), the flat gear is installed at the bottom end of the contraction cylinder (52), the rack (56) in meshing connection with the flat gear of the contraction cylinder (52) is slidably installed on the protective shell (54), and the moving end of the first electric push rod (55) is connected with the rack (56).
6. The vertical dismounting device for hydraulic cylinders according to claim 3, characterized in that The walking mechanism (6) comprises a walking guide rail (61), a walking sliding block (62) and a second electric push rod (63), the walking guide rail (61) is symmetrically installed on the upper surface of the moving trolley mechanism (2), the walking sliding block (62) is slidably installed in the walking guide rail (61), the upper surface of the walking sliding block (62) is connected with the lifting mechanism (5), and the second electric push rod (63) is installed in the walking guide rail (61) and connected with the walking sliding block (62) at the moving end.
7. The vertical dismounting device for hydraulic cylinders according to claim 1, characterized in that The moving trolley mechanism (2) is composed of a moving frame, a lifting seat and a limiting seat, the moving frame is slidably installed on the L-shaped main body seat (1), the lifting seat is installed on the moving frame, and the limiting seat is installed in the lifting seat.