Disassembling tool for engineering machinery maintenance

Abstract

The utility model relates to the technical field of engineering machinery, and discloses a dismounting tool for engineering machinery maintenance, which comprises a base, the left side and the right side of the top of the base are both fixedly connected with supporting plates, the tops of the supporting plates are fixedly connected with sliding chute plates, and the outer part of each sliding chute plate is slidably connected with a reciprocating mechanism. A second sliding block is slidably connected to the interior of the base, a mounting plate is fixedly connected to the top of the second sliding block, and a hydraulic puller body is fixedly connected to the interior of the mounting plate. According to the hydraulic puller, by starting a motor, the motor drives a first rotating plate to rotate through an eccentric wheel, a sliding plate can drive a pushing rod to rotate a sleeve through a sleeve rod, the sleeve can drive a hydraulic puller body to drive a sliding ring to extrude inwards, and a workpiece needing to be disassembled can be clamped through a clamping jaw; and the hydraulic puller is driven by the reciprocating motion mechanism, so that the working efficiency of the hydraulic pump is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of engineering machinery technology, and in particular to a disassembly tool for engineering machinery maintenance. Background Technology

[0002] In the disassembly tooling system of construction machinery maintenance, hydraulic pullers work in conjunction with other tools. For example, when disassembling a transmission component of a large machine, a wrench is first used to remove the surrounding fastening bolts, and then a hydraulic puller is used to disassemble the target component. Simultaneously, if the component is heavy, a jack is needed for auxiliary support to ensure the stability and safety of the entire disassembly process. The hydraulic puller is a key separation tool in this process, working with other tooling to complete complex disassembly tasks.

[0003] In some existing manual hydraulic pullers, the hydraulic pump handle is slowly operated to allow hydraulic oil to enter the cylinder, pushing the piston to move, which in turn drives the puller to generate pulling force. During operation, it is important to carefully observe the puller and the parts being disassembled to avoid excessive pulling force that could damage the parts.

[0004] However, in practical use, without reciprocating motion to drive the hydraulic puller, pressure can only be provided by manually operating the hydraulic pump slowly when a large pulling force is required. For example, when disassembling large wheel hubs or tightly fitted couplings on large construction machinery, the oil supply per stroke of the manually operated hydraulic pump is limited, requiring frequent operation of the hydraulic pump handle to accumulate sufficient pressure to generate pulling force for the hydraulic puller. This greatly increases the disassembly time of individual components, and the overall maintenance efficiency will also decrease. Therefore, to address the above-mentioned problems, a disassembly fixture for construction machinery maintenance is proposed. Utility Model Content

[0005] To overcome the above deficiencies, this utility model provides a disassembly fixture for the maintenance of engineering machinery, which aims to improve the problem that some devices in the prior art cannot drive the hydraulic puller to move through reciprocating motion.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A disassembly fixture for maintenance of engineering machinery includes a base, with support plates fixedly connected to the top left and right sides of the base, a sliding groove plate fixedly connected to the top of the support plates, a reciprocating mechanism slidably connected to the outside of the sliding groove plate, a second sliding block slidably connected to the inside of the base, a mounting plate fixedly connected to the top of the second sliding block, a hydraulic puller body fixedly connected to the inside of the mounting plate, and a locking mechanism fixedly connected to the left and right sides of the second sliding block.

[0008] The reciprocating mechanism includes a sliding block 1, a motor is fixedly connected to the top of the sliding block 1, an eccentric wheel is fixedly connected to the drive end of the motor, a rotating plate 1 is rotatably connected to the outside of the eccentric wheel, a sliding plate is rotatably connected to the other end of the rotating plate 1, the outside of the sliding block 1 is slidably connected to the inside of the slide plate, and an elastic component is provided on the outside of the locking mechanism.

[0009] As a further description of the above technical solution:

[0010] The locking mechanism includes a connecting shaft, a locking plate rotatably connected to the outside of the connecting shaft, a locking rod fixedly connected to the other end of the locking plate, extension plates fixedly connected to the left and right sides of the outer side of the sliding block two, a limit rod slidably connected inside the extension plate, and the connecting shaft fixedly connected to the left and right sides of the outer side of the sliding block two.

[0011] As a further description of the above technical solution:

[0012] The elastic component includes a telescopic rod, and a spring is sleeved on the outside of the telescopic rod. The telescopic rod is fixedly connected to the left and right sides of the outside of the sliding block 2.

[0013] As a further description of the above technical solution:

[0014] A sleeve rod is fixedly connected to the outside of the sliding plate, a push rod is fixedly connected to the bottom of the sleeve rod, and a sleeve is fixedly connected to the other end of the push rod.

[0015] As a further description of the above technical solution:

[0016] A sliding ring is slidably connected to the outer front side of the hydraulic puller body, a connecting seat is fixedly connected to the outside of the sliding ring, a rotating plate two is rotatably connected to the left and right sides of the outside of the connecting seat, a clamping claw is rotatably connected to the inside of the rotating plate two, and a positioning rod is fixedly connected to the outer front side of the hydraulic puller body.

[0017] As a further description of the above technical solution:

[0018] The outer top of the base is provided with multiple slots, and the outside of the locking rod engages with the inside of the slots;

[0019] As a further description of the above technical solution:

[0020] The sleeve is rotatably connected to the outside of the hydraulic puller body, and an adjusting valve is fixedly connected to the top of the outside of the hydraulic puller body.

[0021] As a further description of the above technical solution:

[0022] One end of the telescopic rod is fixedly connected to the outer bottom end of the card plate, and the other end of the telescopic rod is fixedly connected to the outer top end of the sliding block 2.

[0023] This utility model has the following beneficial effects:

[0024] 1. In this utility model, by starting the motor, the motor drives the rotating plate to rotate through the eccentric wheel, so that the sliding plate can drive the push rod to rotate the sleeve, so that the sleeve can drive the hydraulic puller body to squeeze the sliding ring inward, and can clamp the workpiece to be disassembled through the gripper. The reciprocating motion mechanism drives the hydraulic puller, which greatly improves the working efficiency of the hydraulic pump.

[0025] 2. In this utility model, the clamping plate presses the telescopic rod, which in turn causes the spring to deform, allowing the clamping rod to disengage from the inside of the slot. This allows the sliding block two to slide inside the base. When it slides to the appropriate position, the clamping plate is released, causing the spring to rebound and the clamping rod to engage with the slot. Then, the limiting rod can be inserted into the inside of the extension plate, locking the clamping rod in a locked state. When using a hydraulic puller to disassemble parts of construction machinery, such as the coupling of a large crane or the wheel hub of a loader, the machine may be subjected to vibration, external interference, etc. during operation. Attached Figure Description

[0026] Figure 1 This is a three-dimensional schematic diagram of a disassembly fixture for the maintenance of engineering machinery proposed in this utility model;

[0027] Figure 2 This is a schematic diagram of the positioning rod of a disassembly tool for engineering machinery maintenance proposed in this utility model;

[0028] Figure 3 This is a schematic diagram of the structure of a hydraulic puller body for a disassembly tool used in the maintenance of engineering machinery, as proposed in this utility model.

[0029] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0030] Legend:

[0031] 1. Base; 2. Support plate; 3. Sliding block one; 4. Motor; 5. Eccentric wheel; 6. Rotating plate one; 7. Sliding plate; 8. Sleeve rod; 9. Push rod; 10. Sleeve; 11. Hydraulic puller body; 12. Adjusting valve; 13. Sliding ring; 14. Connecting seat; 15. Rotating plate two; 16. Gripper; 17. Positioning rod; 18. Sliding block two; 19. Mounting plate; 20. Slide plate; 21. Connecting shaft; 22. Clamping plate; 23. Clamping rod; 24. Telescopic rod; 25. Spring; 26. Extension plate; 27. Limiting rod; 28. Slot. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] Reference Figures 1 to 3 This utility model provides an embodiment of a disassembly fixture for engineering machinery maintenance, comprising a base 1. The base 1 serves as the basic support for the entire disassembly fixture and is typically made of high-strength, stable metal materials, such as cast iron. The cast iron base 1 has excellent shock absorption performance and high rigidity, effectively absorbing vibrations and impacts generated during disassembly, preventing the overall structure of the fixture from shifting or being damaged due to excessive vibration. Its cost is relatively low, and it is widely used in small repair workshops or repair scenarios where cost control is strict and shock absorption requirements are high. Support plates 2 are fixedly connected to the top left and right sides of the base 1. The support plates 2 play an important role in connecting the base 1 and the slide plate 20. Their material is generally the same as that of the base 1 or a higher-strength metal material, such as high-strength alloy steel. The top of the support plate 2 is fixedly connected to the slide plate 20, which serves as the sliding track for the reciprocating mechanism. Its material is generally metal, such as carbon steel. The carbon steel slide plate 20 has high strength and rigidity, can withstand the friction and pressure generated by the reciprocating mechanism during sliding, and has a relatively low cost.

[0034] The external sliding connection of the slide plate 20 is a reciprocating mechanism, which enables horizontal reciprocating motion, providing power support and motion control for the operation of the hydraulic puller body 11. The internal sliding connection of the base 1 is a sliding block 18. The sliding block 18, as an important component for mounting the hydraulic puller body 11 and connecting the locking mechanism, is generally made of metal, such as carbon steel. The carbon steel sliding block 18 has high strength and rigidity, can stably support the hydraulic puller body 11 and slide smoothly within the base 1, and is relatively inexpensive. A mounting plate 19 is fixedly connected to the top of the 218. The mounting plate 19 serves as the carrier for fixing the hydraulic puller body 11. Its material is generally metal, such as carbon steel. Carbon steel mounting plates 19 have high strength and rigidity, can stably support the hydraulic puller body 11, and are relatively inexpensive. Stainless steel mounting plates 19 are known for their excellent corrosion resistance, making them particularly suitable for use in humid environments with corrosive media. They effectively prevent rust and corrosion, ensuring the stable working performance of the hydraulic puller body 11 during long-term use. The hydraulic puller body 11 is fixedly connected internally to the mounting plate 19. As one of the core components of the entire disassembly fixture, the hydraulic puller body 11 works on the basis of hydraulic transmission technology. It generates strong pulling force through the pressure of hydraulic oil, thereby enabling the disassembly of various tightly fitted parts. The outer shell of the hydraulic puller body 11 is generally made of high-strength alloy steel or high-quality carbon steel, possessing good compressive strength and sealing performance, capable of withstanding the action of internal high-pressure hydraulic oil and various influences from the external environment. Locking mechanisms are fixedly connected to both the left and right sides of the sliding block 2 18. The locking mechanisms can realize the positioning and locking of the sliding block 2 18 in the base 1, ensuring that the hydraulic puller body 11 is stable in position during operation and will not be offset or shaken due to external force. The locking mechanism includes a connecting shaft 21, which serves as the rotation center shaft of the clamping plate 22. Its material is generally metal, such as carbon steel. The carbon steel connecting shaft 21 has high strength and rigidity, can stably support the rotation of the clamping plate 22, and has a relatively low cost.

[0035] A locking plate 22 is rotatably connected to the external side of the connecting shaft 21. As a key component for achieving the locking function, the locking plate 22 is generally made of metal, such as carbon steel. The carbon steel locking plate 22 has high strength and rigidity, enabling it to stably engage with the locking groove 28 to achieve the locking function, and its cost is relatively low. A locking rod 23 is fixedly connected to the other end of the locking plate 22. The locking rod 23, as a component that directly contacts the locking groove 28 and achieves locking, is also generally made of metal, such as carbon steel. The carbon steel locking rod 23 has high strength and rigidity, enabling it to stably engage with the locking groove 28. To prevent deformation or damage during the locking process, extension plates 26 are fixedly connected to the left and right sides of the sliding block 28. These extension plates 26 serve as the base components for mounting the limiting rod 27. They are typically made of metal, such as carbon steel. Carbon steel extension plates 26 have high strength and rigidity, enabling them to stably support the limiting rod 27 and withstand certain external forces, while also being relatively inexpensive. The limiting rod 27 is slidably connected internally to the extension plate 26. The limiting rod 27 plays a crucial role in the locking mechanism by limiting the rotation range of the locking plate 22 and providing auxiliary positioning. The connecting shaft 21 is externally fixedly connected to the left and right sides of the sliding block 28.

[0036] The reciprocating mechanism includes a sliding block 3, which is a key component connecting the motor 4 and the slide plate 20. Its material is generally metal, such as carbon steel. Carbon steel sliding block 3 has high strength and rigidity, enabling it to stably support the motor 4 and slide smoothly on the slide plate 20, while also being relatively inexpensive. The top of sliding block 3 is fixedly connected to the motor 4, which serves as the power source for the reciprocating mechanism. The type of motor 4 can be a DC motor, which offers advantages such as easy speed control, high starting torque, and high efficiency, making it suitable for applications requiring precise control of reciprocating speed and position. The drive end of the motor 4 is fixedly connected to an eccentric wheel 5, which is also generally made of metal, such as carbon steel. Carbon steel eccentric wheel 5 has high strength and rigidity, enabling it to stably withstand the torque transmitted from the motor 4 and convert it into effective thrust, while also being relatively inexpensive. Stainless steel eccentric wheel 5 is known for its excellent corrosion resistance, making it particularly suitable for use in humid environments with corrosive media. It effectively prevents rust and corrosion of the eccentric wheel 5, ensuring the long-term stable operation of the reciprocating mechanism.

[0037] The eccentric wheel 5 is externally rotatably connected to a rotating plate 6. The rotating plate 6 serves as an intermediate component connecting the eccentric wheel 5 and the sliding plate 7. Its material is generally metal, such as carbon steel. The carbon steel rotating plate 6 has high strength and rigidity, can stably transmit force and motion, and has a relatively low cost. The other end of the rotating plate 6 is rotatably connected to a sliding plate 7. The sliding plate 7 serves as a component that transmits the linear motion generated by the eccentric wheel 5 to the hydraulic puller body 11. Its material is generally metal, such as carbon steel. The carbon steel sliding plate 7 has high strength and rigidity, can stably bear the force transmitted from the eccentric wheel 5 and transmit it to the hydraulic puller body 11. The external sliding block 3 is externally slidably connected to the inside of the slide plate 20. The locking mechanism is externally provided with an elastic component, which includes a telescopic rod 24. A spring 25 is sleeved on the outside of the telescopic rod 24. The telescopic rod 24 is externally fixedly connected to the left and right sides of the outside of the sliding block 18.

[0038] Reference Figures 3 to 4 A sleeve rod 8 is fixedly connected to the outside of the sliding plate 7. The sleeve rod 8 plays a key role in the power transmission link of the entire disassembly fixture. Its material is usually a high-strength metal material, such as carbon steel. The carbon steel sleeve rod 8 has high strength and rigidity, can stably withstand the force from the sliding plate 7, and effectively transmit it to subsequent parts, and the cost is relatively affordable. A push rod 9 is fixedly connected to the bottom of the sleeve rod 8. The push rod 9 is an intermediate part connecting the sleeve rod 8 and the sleeve 10. Its material is also mostly metal, such as stainless steel. The stainless steel push rod 9 is known for its excellent corrosion resistance. It is particularly suitable for use in humid environments with corrosive media. It can effectively prevent rust and corrosion and ensure good mechanical performance under various complex working conditions. The other end of the push rod 9 is fixedly connected to the sleeve 10. The sleeve 10 plays an important role in the coordinated work with the hydraulic puller body 11.

[0039] The sleeve 10 is generally made of metal, such as carbon steel. Carbon steel sleeve 10 has high strength and good machinability, meeting general usage requirements and having a low cost. A sliding ring 13 is slidably connected to the front exterior of the hydraulic puller body 11. The sliding ring 13 plays an auxiliary adjustment and positioning role during the operation of the hydraulic puller body 11. Its material is generally metal, such as carbon steel. Carbon steel sliding ring 13 has high strength and rigidity, enabling it to slide stably on the hydraulic puller body 11 and withstand certain external forces. A connecting seat 14 is fixedly connected to the outside of the sliding ring 13. The connecting seat 14 serves as a component connecting the sliding ring 13 and the rotating plate 15. Its material is generally metal, such as carbon steel. Carbon steel connecting seat 14 has high strength and good machinability, enabling it to stably support the rotating plate 15 and achieve a reliable connection. The connecting seat 14 has external left and right... Rotating plates 15 are rotatably connected to both sides. Rotating plates 15 play a key role in transmission and conversion during the clamping of target parts. Their material is generally metal, such as carbon steel. Carbon steel rotating plates 15 have high strength and rigidity, and can stably transmit force and realize rotation. Inside rotating plates 15, grippers 16 are rotatably connected. Grippers 16 are the parts that directly contact and grip the parts to be disassembled. Their material is selected according to the material and characteristics of the parts being gripped. For example, metal grippers 16 can be made of carbon steel, stainless steel or alloy steel. For some special materials or parts with high surface precision requirements, grippers 16 are made of non-metallic materials such as rubber or polyurethane to wrap the metal frame. A positioning rod 17 is fixedly connected to the front of the hydraulic puller body 11. The positioning rod 17 plays a positioning and guiding role during the operation of the hydraulic puller body 11.

[0040] The positioning rod 17 is generally made of metal, such as carbon steel. The carbon steel positioning rod 17 has high strength and rigidity, and can stably withstand external forces and maintain shape stability. The outer top of the base 1 is provided with multiple slots 28. The slots 28 are key structures that cooperate with the locking rod 23 to realize the positioning and locking of the sliding block 18. Their shape is designed according to the shape of the locking rod 23, and is generally a rectangular or circular groove. The outside of the locking rod 23 engages with the inside of the slots 28. The outside of the sleeve 10 is rotatably connected to the outside of the hydraulic puller body 11. The outer top of the hydraulic puller body 11 is fixedly connected to the regulating valve 12. The regulating valve 12 plays a key role in controlling the flow and pressure of hydraulic oil during the operation of the hydraulic puller body 11. Its material is generally metal, such as carbon steel. The carbon steel regulating valve 12 has high strength and good processing performance, can meet general adjustment needs and has low cost. One end of the telescopic rod 24 is fixedly connected to the outer bottom of the locking plate 22, and the other end of the telescopic rod 24 is fixedly connected to the outer top of the sliding block 18.

[0041] Working principle: When the hydraulic puller body 11 is reciprocated, the motor 4 is started. Under the action of the motor 4, the motor 4 drives the rotating plate 6 to rotate through the eccentric wheel 5. Under the rotation of the rotating plate 6, the sliding plate 7 can drive the push rod 9 to rotate the sleeve 10 through the sleeve rod 8. Under the rotation of the sleeve 10, the sleeve 10 can drive the hydraulic puller body 11 to push the sliding ring 13 inward. The gripper 16 can hold the workpiece to be disassembled, and the positioning rod 17 can hold the center point. Under the reciprocating motion, the workpiece can be quickly removed.

[0042] When sliding block 18 is slidable, first pull out the limiting rod 27 on the outside of extension plate 26, so that the locking rod 23 is in the unlocked state. At this time, by pressing the locking plates 22 on both sides, the locking plates 22 compress the telescopic rod 24 under the action of the locking plates 22, which in turn causes the spring 25 to deform, and then the locking rod 23 can disengage from the inside of the slot 28, so that sliding block 18 can slide inside the base 1. When it slides to the appropriate position, by releasing the locking plates 22, the spring 25 rebounds, so that the locking rod 23 can engage with the slot 28, and then the limiting rod 27 can be inserted into the inside of extension plate 26, so that the locking rod 23 is in the locked state.

[0043] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A disassembly fixture for maintenance of engineering machinery, comprising a base (1), characterized in that: Support plates (2) are fixedly connected to the top left and right sides of the base (1). A sliding plate (20) is fixedly connected to the top of the support plate (2). A reciprocating mechanism is slidably connected to the outside of the sliding plate (20). A sliding block two (18) is slidably connected to the inside of the base (1). An mounting plate (19) is fixedly connected to the top of the sliding block two (18). A hydraulic puller body (11) is fixedly connected to the inside of the mounting plate (19). A locking mechanism is fixedly connected to the outside left and right sides of the sliding block two (18). The reciprocating mechanism includes a sliding block (3), a motor (4) is fixedly connected to the top of the sliding block (3), an eccentric wheel (5) is fixedly connected to the drive end of the motor (4), a rotating plate (6) is rotatably connected to the outside of the eccentric wheel (5), a sliding plate (7) is rotatably connected to the other end of the rotating plate (6), the outside of the sliding block (3) is slidably connected to the inside of the slide plate (20), and an elastic component is provided on the outside of the locking mechanism.

2. The disassembly fixture for engineering machinery maintenance according to claim 1, characterized in that: The locking mechanism includes a connecting shaft (21), a locking plate (22) is rotatably connected to the outside of the connecting shaft (21), a locking rod (23) is fixedly connected to the other end of the locking plate (22), an extension plate (26) is fixedly connected to the left and right sides of the outer side of the sliding block (18), a limit rod (27) is slidably connected inside the extension plate (26), and the outside of the connecting shaft (21) is fixedly connected to the left and right sides of the outer side of the sliding block (18).

3. The disassembly fixture for engineering machinery maintenance according to claim 2, characterized in that: The elastic component includes a telescopic rod (24), and a spring (25) is sleeved on the outside of the telescopic rod (24). The telescopic rod (24) is fixedly connected to the left and right sides of the outside of the sliding block (18).

4. The disassembly fixture for engineering machinery maintenance according to claim 1, characterized in that: The sliding plate (7) is fixedly connected to a sleeve rod (8), the bottom of the sleeve rod (8) is fixedly connected to a push rod (9), and the other end of the push rod (9) is fixedly connected to a sleeve (10).

5. The disassembly fixture for engineering machinery maintenance according to claim 1, characterized in that: A sliding ring (13) is slidably connected to the front of the hydraulic puller body (11). A connecting seat (14) is fixedly connected to the outside of the sliding ring (13). Rotating plates (15) are rotatably connected to the left and right sides of the connecting seat (14). A gripper (16) is rotatably connected to the inside of the rotating plate (15). A positioning rod (17) is fixedly connected to the front of the hydraulic puller body (11).

6. The disassembly fixture for engineering machinery maintenance according to claim 3, characterized in that: The base (1) has multiple slots (28) on its outer top, and the outside of the lever (23) engages with the inside of the slots (28).

7. The disassembly fixture for engineering machinery maintenance according to claim 4, characterized in that: The sleeve (10) is rotatably connected to the outside of the hydraulic puller body (11), and a regulating valve (12) is fixedly connected to the top of the outside of the hydraulic puller body (11).

8. The disassembly fixture for engineering machinery maintenance according to claim 3, characterized in that: One end of the telescopic rod (24) is fixedly connected to the outer bottom end of the card plate (22), and the other end of the telescopic rod (24) is fixedly connected to the outer top end of the sliding block (18).

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