Horizontal oil cylinder disassembly and assembly workbench and working method

Abstract

The present invention belongs to the technical field of oil cylinder disassembly and assembly workbench, specifically a horizontal oil cylinder disassembly and assembly workbench and working method, including a bed, a tail clamping device, a cylinder support device, and a cylinder lifting device are installed on the top of the bed, a translation oil cylinder is installed on the inner side of the bed, and the left side of the bed is connected to the piston rod support device. The bed includes a first bed frame, a second bed frame, and a third bed frame. The horizontal oil cylinder disassembly and assembly workbench is adopted to solve the problems of low efficiency in disassembling and assembling large-diameter oil cylinders in the prior art, easy secondary damage to the piston rod, and the workbench can only cover the oil cylinder end. Therefore, this solution is simple to operate during the disassembly and assembly of the oil cylinder, has low requirements for operators, can disassemble and assemble the piston rod and the oil cylinder end cover, improve the disassembly and assembly efficiency, and avoid the problem of secondary damage during the disassembly and assembly process.

Description

Technical Field

[0001] The invention relates to the technical field of oil cylinder disassembly and assembly, in particular to a horizontal oil cylinder disassembly and assembly workbench and a working method. Background Art

[0002] With resources becoming increasingly scarce and the environment deteriorating, people are realizing the importance of sustainable development and are constantly exploring technological means for achieving it. Remanufacturing is a new solution. Hydraulic cylinders are a common hydraulic actuator in construction machinery, widely used in heavy industrial applications such as cranes, tunnel boring machines, and mining equipment. As hydraulic actuators, they often operate in harsh environments, where prolonged reciprocating motion can lead to internal seal failure and scratches on the piston surface.

[0003] When remanufacturing and repairing construction machinery cylinders, their large size and weight often make disassembly and assembly using general-purpose tools difficult and inefficient. Furthermore, the wide variety of construction machinery cylinders, with varying diameters and lengths, requires a disassembly and assembly workbench with a wider range of applications. When using a traditional horizontal disassembly and assembly workbench for cylinder disassembly and assembly, especially during the piston rod installation process, the cylinder barrel and piston rod axis must be strictly aligned, otherwise secondary damage to the piston rod and cylinder barrel will occur. Furthermore, traditional horizontal disassembly and assembly workbenches only disassemble and assemble the cylinder end cap, leaving the piston and piston rod untouched.

[0004] In response to the above problems, the present invention proposes a new type of horizontal cylinder disassembly and assembly workbench, which can achieve the purpose of rapid adjustment of the height of the cylinder barrel and piston rod, disassembly and assembly of the piston and cylinder end cover, and prevention of secondary damage during the disassembly and assembly process. Summary of the Invention

[0005] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of this application to avoid blurring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions should not be used to limit the scope of the present invention.

[0006] Therefore, the purpose of the present invention is to provide a horizontal cylinder disassembly and assembly workbench and working method. By using the horizontal cylinder disassembly and assembly workbench, the disassembly and assembly of large-diameter cylinders can be efficient, no secondary damage will be caused to the piston, and the workbench can disassemble the cylinder end cover and the piston at the same time.

[0007] In order to achieve the above technical effects, the present invention provides the following technical solutions:

[0008] A horizontal oil cylinder disassembly and assembly workbench comprises a bed, on the top of which are sequentially mounted a tail clamping device, a cylinder support device, an oil cylinder lifting device and a disassembly and assembly device;

[0009] A guide moving device is provided above the bed so as to enable the tail clamping device, the cylinder support device and the oil cylinder lifting device to move along the bed;

[0010] The tail clamping device is fixed to one end of the bed and is used to clamp the cylinder barrel and the cylinder piston;

[0011] There are at least two cylinder support devices, which are used to support the bottom of the horizontal oil cylinder;

[0012] There are multiple oil cylinder lifting devices, which are used to adjust the height of the oil cylinder barrel or piston rod in the vertical direction so that the axes of the cylinder barrel, piston rod, tail clamping device and disassembly and assembly device are consistent;

[0013] The disassembly and assembly device is provided at the other end of the bed, and is used to clamp the cylinder end cover and the piston rod head, and rotate them to perform disassembly or assembly work;

[0014] A translation oil cylinder is installed on the inner side of the bed. When it is extended or retracted, it drives the tail clamping device to move forward and backward to pull out the piston rod or install the piston rod. A piston rod support device is also connected to the bed to support the piston rod of the horizontal oil cylinder.

[0015] As a preferred technical solution, the tail clamping device includes a tail clamping device base plate, a movable clamping block, a clamping base, a piston clamping tool, a movable lifting lug, a self-aligning clamping block, a tail clamping screw and a tail clamping screw;

[0016] The tail clamping screw is connected to the bottom plate of the tail clamping device, and after rotating, it pushes the movable clamping block to move up and down to clamp the horizontal cylinder barrel;

[0017] The self-aligning clamp is placed at the bottom end of the tail clamping screw and moves along with the tail clamping screw to clamp the horizontal cylinder barrel.

[0018] The piston clamping tool is connected to the clamping base to clamp the piston rod at the bottom of the horizontal oil cylinder;

[0019] The movable lifting lug is movably connected to the head of the translation oil cylinder to drive the tail clamping device to move.

[0020] As a preferred technical solution, the cylinder support device includes a first rotating handle, a first forward and reverse adjustment screw, a cylinder support bracket, rubber and a support device base plate; the first rotating handle is connected to the end of the first forward and reverse adjustment screw, and when it rotates, it drives the first forward and reverse adjustment screw to rotate, adjusts the distance between the cylinder support brackets to adjust the height of the oil cylinder, and the first forward and reverse adjustment screw is rotatably connected to the support device base plate.

[0021] As a preferred technical solution, the oil cylinder jacking device includes a jacking device bottom plate, a lifting handle, a lifting screw rod, and a jacking clamping block; the jacking device bottom plate is fixedly connected to the slider by bolts;

[0022] The lifting handle is connected to the end of the lifting screw rod. When the lifting handle rotates, it drives the lifting screw rod to move and adjust the height of the jacking clamp. The lifting screw rod is threadedly connected to the central position of the bottom plate of the jacking device.

[0023] As a preferred technical solution, the piston rod support device includes a second rotating handle, a second forward and reverse adjusting screw, a rubber roller, a piston rod support device base plate, and a piston rod support bracket; the second rotating handle is connected to the end of the second forward and reverse adjusting screw, and when it rotates, it drives the second forward and reverse adjusting screw to rotate, adjusts the distance between the piston rod support brackets to adjust the height of the piston rod, and the second forward and reverse adjusting screw is rotatably connected to the piston rod support device base plate; the rubber roller is rotatably connected to the piston rod support device base plate bracket to contact the piston rod to prevent scratches on the piston rod.

[0024] As a preferred technical solution, the disassembly and assembly device includes a bed connecting plate, a drive device mounting plate, a drive device fixing plate, a coupling, a motor reducer, a support wheel bearing, a support wheel, a support wheel mounting shaft and a clamping moving block; the bed connecting plate is connected to the tail end of the bed, and the top of the bed connecting plate is symmetrically connected to the drive device mounting plate and the drive device fixing plate, the motor reducer is installed on the top of the bed connecting plate, the output end of the motor reducer is connected to the coupling, the coupling extends to the outside of the drive device fixing plate and is connected to the translation cylinder; the drive device mounting plate and the drive device fixing plate are rotatably connected to the support wheel mounting shaft, the outer side of the support wheel mounting shaft is connected to the support wheel bearing, and the support wheel bearing is connected to the support wheel;

[0025] There are multiple groups of clamping moving blocks, which are connected to the driving device mounting plate in a ring-shaped and equidistant manner, and the ends of the clamping moving blocks are connected to the translation cylinder.

[0026] As an optimal technical solution, the translation cylinder includes a self-aligning clamp, a large gear ring of a disassembly and assembly device, a driving gear, a driving wheel bearing, a driving wheel mounting shaft and a top clamping screw; the driving wheel bearing is connected to the driving wheel mounting shaft, the outer side of the driving wheel bearing is connected to the driving gear, and the large gear ring of the disassembly and assembly device is connected to the inner side of the driving device fixed plate; the driving wheel mounting shaft is connected to the coupling; the self-aligning clamp is connected to the end of the clamping moving block.

[0027] As an optimal technical solution, the bed includes a first bed frame, a second bed frame, and a third bed frame fixedly connected by a bed frame connecting device; a translation cylinder fixing device is installed on the inner side of the third bed frame for fixing the translation cylinder.

[0028] As an optimal technical solution, the guiding and moving device includes a guide rail and a slider, the slider is connected to the tail clamping device, the cylinder support device, and the cylinder lifting device, and the tail of the first bed frame is provided with a tail stopper to prevent the tail clamping device from falling.

[0029] The present invention also discloses a working method of the horizontal oil cylinder disassembly and assembly workbench, comprising the following steps:

[0030] S1. When disassembling the end cover of a horizontal oil cylinder, first place the horizontal oil cylinder horizontally on the oil cylinder lifting device. Use the oil cylinder lifting device to adjust the height of the horizontal oil cylinder so that the axes of the cylinder barrel, tail clamping device, and disassembly and assembly device are aligned. Then retract the translation cylinder to drive the tail clamping device to move toward the side where the disassembly and assembly device is located, and insert the horizontal oil cylinder barrel into the tail clamping device.

[0031] S2. Rotate the clamping screw in the tail clamping device to drive the clamping moving block to move toward the center and hold the horizontal cylinder barrel tightly. The translational cylinder continues to retract until the horizontal cylinder end cover reaches the center of the disassembly and assembly device. Rotate the top clamping screw in the disassembly and assembly device to drive the clamping moving block to move toward the center and hold the horizontal cylinder end cover tightly. The motor reducer drives the large gear ring of the disassembly and assembly device to rotate through the drive gear to disassemble the end cover.

[0032] S3. After the end cover is disassembled, the translation cylinder extends the piston rod to leave the disassembly and assembly device, and the top clamping screw in the disassembly and assembly device is rotated in the opposite direction to loosen the horizontal cylinder end cover. The overhead crane lifts the end cover away from the disassembly and assembly workbench.

[0033] S4. When the cylinder barrel and the piston rod are separated, the translation cylinder retracts to drive the tail clamping device to move toward the side where the disassembly and assembly device is located, so that the piston rod head reaches the center of the disassembly and assembly device, and the top clamping screw in the disassembly and assembly device is rotated to drive the clamping moving block to move toward the center and clamp the piston rod head. After clamping the piston rod head, the translation cylinder extends to pull out the piston rod. In the process of pulling out the piston rod, the second rotating handle of the piston rod support device is rotated to drive the second forward and reverse adjusting screw to drive the rubber roller to contact the piston rod, so that it supports the piston rod. After the cylinder barrel and the piston rod are completely separated, the tail clamping device is released, and the cylinder barrel is lifted off the disassembly and assembly workbench.

[0034] S5. When disassembling the piston, install the piston clamping tool on the tail clamping device. According to the disassembly tooling hole of the piston at the bottom of the cylinder, install the stud at the appropriate position of the piston clamping tool. Translate the cylinder to drive the tail clamping device to move and insert it into the disassembly tooling hole of the piston to clamp the piston. The motor reducer drives the large gear ring of the disassembly and assembly device to rotate and disassemble the piston. After disassembly is completed, rotate the clamping screw in the tail clamping device in the opposite direction to drive the clamping moving block to loosen the piston rod head. The piston and piston rod are hoisted away from the disassembly and assembly platform by the overhead crane. Then, clean the various parts of the cylinder and replace the relevant seals as required.

[0035] The process of assembling the cylinder is the opposite of the process of disassembling the cylinder.

[0036] Compared with the existing technology: the use of this horizontal oil cylinder disassembly and assembly workbench solves the problems of low efficiency in disassembling and assembling large-diameter oil cylinders in the existing technology, easy secondary damage to the piston, and the workbench can only be used for the oil cylinder end cover. Therefore, this solution is simple to operate during the oil cylinder disassembly and assembly process, has low requirements for operators, can disassemble and assemble pistons and oil cylinder end covers, improves disassembly and assembly efficiency, and avoids secondary damage during the disassembly and assembly process. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be derived from these drawings without inventive effort. Among them:

[0038] Figure 1 This is a schematic diagram of the structure of the horizontal cylinder disassembly and assembly workbench in the present invention:

[0039] Figure 2 This is a schematic diagram of the bed structure in the present invention:

[0040] Figure 3 This is a schematic diagram of the structure of the tail clamping device in the present invention:

[0041] Figure 4 This is a schematic diagram of the structure of the cylinder support device in the present invention:

[0042] Figure 5 This is a schematic diagram of the structure of the oil cylinder lifting device in the present invention:

[0043] Figure 6 This is a schematic structural diagram of the piston rod support device in the present invention:

[0044] Figure 7 Schematic diagram of the disassembly and assembly device structure in the present invention

[0045] Figure 8 This is a schematic diagram of the structure of the force-adding device in the present invention:

[0046] Figure 9 This is a schematic diagram of the structure of the piston rod clamping and fixing device in the present invention:

[0047] In the figure: 1, bed; 11, tail stop; 12, slide; 13, guide rail; 14, bed frame 1; 15, bed frame 2; 16, bed frame 3; 17, bed frame connecting device; 18, translation cylinder fixing device;

[0048] 2. Tail clamping device; 21. Tail clamping device base plate; 22. Clamping movable block; 23. Clamping base; 24. Piston clamping fixture; 25. Moving lifting lug; 26. Self-aligning clamping block; 27. Tail clamping screw;

[0049] 3. Cylinder support device; 31. First rotating handle; 32. First forward and reverse adjustment screw; 33. Cylinder support bracket; 34. Rubber; 35. Support device base plate;

[0050] 4. Cylinder lifting device; 41. Lifting device base plate; 42. Lifting handle; 43. Lifting screw; 44. Lifting clamp;

[0051] 5. Piston rod support device; 51. Second rotating handle; 52. Second forward and reverse adjustment screw; 53. Rubber roller; 54. Piston rod support device base plate; 55. Piston rod support bracket;

[0052] 6. Disassembly and assembly device; 61. Bed connecting plate; 62. Drive device mounting plate; 63. Drive device fixing plate; 64. Coupling; 65. Motor reducer; 66. Support wheel bearing; 67. Support wheel; 68. Support wheel mounting shaft; 69. Clamping moving block;

[0053] 7. Translation cylinder; 70. Self-aligning clamp; 71. Disassembly and assembly device large ring gear; 72. Drive gear; 73. Drive wheel bearing; 74. Drive wheel mounting shaft; 75. Top clamping screw;

[0054] 8. Boosting device; 81. Boosting cylinder; 82. Boosting cylinder fixing bracket;

[0055] 9. Piston rod clamping fixing device; 91. Clamping cylinder; 92. Clamping cylinder base; 93. Clamping clamping block; 94. Rubber sheet. Implementation Method

[0056] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0057] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0058] Next, the present invention is described in detail with reference to schematic diagrams. For ease of illustration, cross-sectional views of device structures may be partially enlarged and not to scale when describing the embodiments of the present invention. Furthermore, the schematic diagrams are merely illustrative and should not limit the scope of protection of the present invention. Furthermore, in actual production, three-dimensional dimensions, including length, width, and depth, should be included.

[0059] To make the objectives, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0060] The present invention provides a horizontal oil cylinder disassembly and assembly workbench, please refer to Figure 1-8 , including a bed 1, a tail clamping device 2, a cylinder supporting device 3, and a cylinder lifting device 4 are installed on the top of the bed 1, the tail clamping device 2, the cylinder supporting device 3 and the cylinder lifting device 4 are arranged in sequence from left to right along the bed 1, a translation cylinder 7 is installed on the inside of the bed 1, and the left side of the bed 1 is connected to the piston rod supporting device 5.

[0061] Please continue reading Figure 1-2 , the bed 1 includes a first bed frame 14, a second bed frame 15, and a third bed frame 16;

[0062] The first bed frame 14, the second bed frame 15 and the third bed frame 16 are fixedly connected by an inter-bed frame connecting device 17;

[0063] The bed 1 has a guide rail 12 and a slide 13 on its upper portion. The slide 13 is connected to the tail clamping device 2, the cylinder support device 3, and the cylinder lifting device 4, and is used to move the tail clamping device 2, the cylinder support device 3, and the cylinder lifting device 4 along the guide rail 12.

[0064] The tail of the first bed frame 14 is provided with a tail stopper 11 to prevent the tail clamping device 2 from falling;

[0065] The third bed frame 16 is provided with a translation cylinder fixing device 18 on its inner side for fixing the translation cylinder 7;

[0066] The bed 1 is used to place the guide rail 12, the slider 13 and the translation cylinder 7; the tail clamping device 2 is used to clamp the cylinder barrel and the cylinder piston; the cylinder barrel support device 3 is used to support the cylinder barrel with adjusted height; the cylinder jacking device 4 is used to adjust the height of the cylinder barrel or the piston rod up and down so that the axes of the cylinder barrel, the piston rod, the tail clamping device and the disassembly and assembly device are consistent; the disassembly and assembly device 6 is used to clamp the cylinder end cover and the piston rod head and rotate them for disassembly or assembly work; the translation cylinder 7 drives the tail clamping device to move forward and backward when it is extended and retracted, so as to pull out the piston rod or install the piston rod.

[0067] Please continue reading Figure 3 The tail clamping device 2 includes a tail clamping device base plate 21, a movable clamping block 22, a clamping base 23, a piston clamping tool 24, a movable lifting lug 25, a self-aligning clamping block 26, and a tail clamping screw 24;

[0068] The tail clamping screw 27 is connected to the tail clamping device base plate 21. When it rotates, it pushes the movable clamping block 22 to move up and down to clamp the horizontal cylinder barrel.

[0069] The self-aligning clamping block 26 is placed at the bottom end of the tail clamping screw 27 and moves along with the tail clamping screw 27 to hold the cylinder barrel tightly.

[0070] The piston clamping tool 24 is connected to the clamping base 23 to clamp the piston at the bottom of the cylinder;

[0071] The movable lifting lug 25 is movably connected to the head of the translation cylinder 7 to drive the tail clamping device 2 to move;

[0072] Please continue reading Figure 4 , the cylinder support device 3 includes a first rotating handle 31, a first forward and reverse adjustment screw 32, a cylinder support bracket 33, a rubber 34 and a support device bottom plate 35;

[0073] The first rotating handle 31 is connected to the end of the first forward and reverse adjustment screw 32. When the first rotating handle 31 rotates, it drives the first forward and reverse adjustment screw 32 to rotate, thereby adjusting the distance between the cylinder support bracket 33 to adjust the height of the oil cylinder. The first forward and reverse adjustment screw 32 is rotatably connected to the support device base plate 35;

[0074] Please continue reading Figure 5The oil cylinder lifting device 4 includes a lifting device bottom plate 41, a lifting handle 42, a lifting screw 43, and a lifting clamp 44;

[0075] The bottom plate 41 of the jacking device is fixedly connected to the slider 12 by bolts;

[0076] The lifting handle 41 is connected to the end of the lifting screw 43. When the lifting handle 41 rotates, it drives the lifting screw 43 to move and adjust the height of the jacking clamp 44. The lifting screw 43 is threadedly connected to the central position of the jacking device bottom plate 41.

[0077] Please continue reading Figure 6 The piston rod support device 5 includes a first rotating handle 51, a second forward and reverse adjustment screw 52, ​​a rubber roller 53, a piston rod support device bottom plate 54, and a piston rod support bracket 55;

[0078] The first rotating handle 51 is connected to the end of the second forward and reverse adjusting screw 52. When the first rotating handle 51 rotates, it drives the second forward and reverse adjusting screw 52 to rotate, thereby adjusting the distance between the piston rod support bracket 55 to adjust the height of the piston rod. The second forward and reverse adjusting screw 52 is rotatably connected to the bottom plate 54 of the piston rod support device.

[0079] The rubber roller 53 is rotatably connected to the piston rod supporting device bottom plate 54 bracket to contact the piston rod to prevent the piston rod from being scratched.

[0080] Please continue reading Figure 7 The disassembly and assembly device 6 includes a bed connecting plate 61, a drive device mounting plate 62, a drive device fixing plate 63, a coupling 64, a motor reducer 65, a support wheel bearing 66, a support wheel 67, a support wheel mounting shaft 68, a clamping moving block 69, an aligning clamping block 70, a disassembly and assembly device large gear ring 71, a drive gear 72, a drive wheel bearing 73, a drive wheel mounting shaft 74, and a top clamping screw 75;

[0081] The bed connecting plate 61 is connected to the tail end of the bed 1, and the top of the bed connecting plate 61 is symmetrically connected to the drive device mounting plate 62 and the drive device fixing plate 63. The motor reducer 65 is installed on the top of the bed connecting plate 61. The output end of the motor reducer 65 is connected to the coupling 64. The coupling 64 extends to the outside of the drive device fixing plate 63 and is connected to the drive wheel mounting shaft 74. The drive wheel bearing 73 is connected to the drive wheel mounting shaft 74. The outer side of the drive wheel bearing 73 is connected to the drive gear 72, and the disassembly and assembly device large gear ring 71 is connected to the inner side of the drive device fixing plate 63;

[0082] The driving device mounting plate 62 and the driving device fixing plate 63 are rotatably connected to the support wheel mounting shaft 68, the outer side of the support wheel mounting shaft 68 is connected to the support wheel bearing 66, and the support wheel bearing 66 is connected to the support wheel 67;

[0083] The clamping moving blocks 69 are provided in multiple groups, and the multiple groups of clamping moving blocks 69 are connected to the driving device mounting plate 62 in a ring shape and at equal intervals. The ends of the clamping moving blocks 69 are connected to the centering clamping blocks 70.

[0084] Working principle, horizontal cylinder disassembly process:

[0085] When disassembling the horizontal cylinder end cover, first place the horizontal cylinder horizontally on the cylinder lifting device 4, and adjust the height of the horizontal cylinder through the lifting handle 42 of the cylinder lifting device 4 to keep the axes of the cylinder barrel, the tail clamping device and the disassembly and assembly device consistent. Then retract the translation cylinder 7 to drive the tail clamping device 2 to move to the right and insert it into the horizontal cylinder barrel.

[0086] The clamping screw 27 in the rotating tail clamping device 2 drives the clamping moving block 22 to move toward the center and clamp the horizontal cylinder barrel; the translation cylinder 4 continues to retract until the horizontal cylinder end cover reaches the center of the disassembly and assembly device 6, and the top clamping screw 75 in the disassembly and assembly device 6 is rotated to drive the clamping moving block 22 to move toward the center and clamp the horizontal cylinder end cover; the motor reducer 65 rotates clockwise, and drives the large gear ring 71 of the disassembly and assembly device to rotate through the driving gear 72 to disassemble the end cover.

[0087] After the end cover is disassembled, the translation cylinder 7 extends the moving piston rod to leave the disassembly and assembly device 6, and the top clamping screw 75 in the disassembly and assembly device 6 is rotated in the opposite direction to loosen the horizontal cylinder end cover, and the overhead crane hoisted end cover leaves the disassembly and assembly workbench.

[0088] When separating the cylinder barrel and the piston rod, the translation cylinder 7 retracts and drives the tail clamping device 2 to move to the right, so that the piston rod head reaches the center of the disassembly and assembly device 6. The top clamping screw 75 in the disassembly and assembly device 6 is rotated to drive the clamping moving block 22 to move toward the center and clamp the piston rod head. After clamping the piston rod head, the translation cylinder 7 extends and pulls out the piston rod. In the process of pulling out the piston rod, the second rotating handle 51 of the piston rod support device 5 is rotated to drive the second forward and reverse adjusting screw 52 to drive the rubber roller 53 to contact the piston rod, so that it supports the piston rod. After the cylinder barrel and the piston rod are completely separated, the tail clamping device 2 is released and the cylinder barrel is hoisted away from the disassembly and assembly workbench.

[0089] When disassembling the piston, install the piston clamping tool 24 on the tail clamping device 2, install the stud at the appropriate position of the piston clamping tool 24 according to the disassembly tool hole of the piston at the bottom of the cylinder, and translate the cylinder 7 to drive the tail clamping device 2 to move and insert into the disassembly tool hole of the piston to clamp the piston; the motor reducer 65 drives the large gear ring 71 of the disassembly and assembly device to rotate and disassemble the piston; after disassembly is completed, the clamping screw 27 in the tail clamping device 2 is rotated in the opposite direction to drive the clamping moving block 22 to loosen the piston rod head, and the piston and piston rod are hoisted away from the disassembly and assembly platform by the overhead crane, and then the various components of the cylinder are cleaned and the relevant seals are replaced as required;

[0090] The process of assembling the cylinder is the opposite of the process of disassembling the cylinder.

[0091] Alternative embodiments of the present invention:

[0092] Transformation technical solution:

[0093] 1. Replace disassembly and assembly device 6

[0094] When the disassembly and assembly torque of the disassembly and assembly device 6 in this horizontal oil cylinder disassembly and assembly workbench cannot meet the requirements, ear seats can be welded on both sides of the large gear ring 71 of the disassembly and assembly device and connected to the booster oil cylinder 8 to achieve the purpose of increasing the torque during rotation disassembly and assembly. Figure 8 shown.

[0095] 2. Replace the piston rod support device 5

[0096] The piston rod support device 5 in the horizontal oil cylinder disassembly and assembly workbench can also be designed as a two-side clamping structure, and the clamping oil cylinder 91 is extended to achieve the purpose of clamping the piston rod. The piston rod clamping fixing device is as follows Figure 9 As shown;

[0097] Although the present invention has been described above with reference to embodiments, various modifications may be made thereto and equivalent components may be substituted without departing from the scope of the present invention. In particular, as long as there are no structural conflicts, the various features of the embodiments disclosed herein may be combined with each other in any manner, and the omission of an exhaustive description of such combinations in this specification is solely for the sake of space and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A working method of a horizontal oil cylinder disassembly and assembly workbench, wherein the horizontal oil cylinder disassembly and assembly workbench comprises a bed (1), and a tail clamping device (2), a cylinder support device (3), an oil cylinder lifting device (4) and a disassembly and assembly device (6) are sequentially installed on the top of the bed (1); characterized in that: The bed (1) is provided with a guide moving device above it so as to enable the tail clamping device (2), the cylinder support device (3), and the oil cylinder lifting device (4) to move along the bed (1); The tail clamping device (2) is fixed to one end of the bed (1) and is used to clamp the tail of the horizontal cylinder; There are at least two cylinder support devices (3) for supporting the bottom of the horizontal oil cylinder; The oil cylinder lifting device (4) is multiple in number and is used to adjust the height of the oil cylinder barrel or piston rod in the vertical direction so that the axes of the cylinder barrel, piston rod, tail clamping device and disassembly and assembly device are consistent; The disassembly and assembly device (6) is provided at the other end of the bed, and is used to clamp the oil cylinder end cover and the piston rod head, and rotate them to perform disassembly or assembly work; A translation oil cylinder (7) is installed inside the bed (1), which drives the tail clamping device to move forward and backward when it is extended and retracted, thereby achieving the operation of pulling out the piston rod or inserting the piston rod; a piston rod support device (5) is also connected to the bed (1) for supporting the piston rod of the horizontal oil cylinder; The tail clamping device (2) comprises a tail clamping device base plate (21), a movable clamping block (22), a clamping base (23), a piston rod clamping fixture (24), a movable lifting lug (25), a self-aligning clamping block (26), a tail clamping screw (24) and a tail clamping screw (27); The tail clamping screw (27) is connected to the tail clamping device base plate (21), and after rotating, it pushes the movable clamping block (22) to move up and down to clamp the horizontal cylinder barrel; The self-aligning clamping block (26) is placed at the bottom end of the tail clamping screw (27) and follows the movement of the tail clamping screw (27) to hold the horizontal cylinder barrel tightly; The piston rod clamping tool (24) is connected to the clamping base (23) to clamp the piston rod at the bottom of the horizontal oil cylinder; The movable lifting lug (25) is movably connected to the head of the translation oil cylinder (7) to drive the tail clamping device (2) to move; The piston rod support device (5) comprises a second rotating handle (51), a second forward and reverse adjustment screw (52), a rubber roller (53), a piston rod support device bottom plate (54), and a piston rod support bracket (55); The disassembly and assembly device (6) includes a bed connecting plate (61), a drive device mounting plate (62), a drive device fixing plate (63), a coupling (64), a motor reducer (65), a support wheel bearing (66), a support wheel (67), a support wheel mounting shaft (68), a clamping moving block (69), a self-aligning clamping block (70), a disassembly and assembly device large gear ring (71), a drive gear (72), a drive wheel bearing (73), a drive wheel mounting shaft (74), and a top clamping screw (75); The bed connecting plate (61) is connected to the tail end of the bed (1), and the top of the bed connecting plate (61) is symmetrically connected to the drive device mounting plate (62) and the drive device fixed plate (63). The motor reducer (65) is installed on the top of the bed connecting plate (61). The output end of the motor reducer (65) is connected to the coupling (64), and the coupling (64) extends to the outside of the drive device fixed plate (63) and is connected to the drive wheel mounting shaft (74). The drive wheel bearing (73) is connected to the drive wheel mounting shaft (74). The outside of the drive wheel bearing (73) is connected to the drive gear (72), and the disassembly and assembly device large gear ring (71) is connected to the inside of the drive device fixed plate (63); The driving device mounting plate (62) and the driving device fixing plate (63) are rotatably connected to a support wheel mounting shaft (68), the outer side of the support wheel mounting shaft (68) is connected to a support wheel bearing (66), and the upper side of the support wheel bearing (66) is connected to a support wheel (67); The clamping moving blocks (69) are provided in a plurality of groups, and the plurality of groups of clamping moving blocks (69) are connected to the driving device mounting plate (62) in an annular shape and at equal distances, and the ends of the clamping moving blocks (69) are connected to the centering clamping blocks (70); The working method comprises the following steps: S1. When disassembling the end cover of the horizontal oil cylinder, first, the horizontal oil cylinder is placed horizontally on the oil cylinder lifting device (4), and the height of the horizontal oil cylinder is adjusted by the oil cylinder lifting device (4) so ​​that the axes of the cylinder barrel, the tail clamping device and the disassembly and assembly device are consistent. Then, the translation cylinder (7) is retracted to drive the tail clamping device (2) to move toward the side where the disassembly and assembly device (6) is located, and the horizontal oil cylinder barrel is inserted into the tail clamping device (2); S2, rotate the clamping screw (27) in the tail clamping device (2), drive the clamping moving block (22) to move toward the center to hold the horizontal cylinder barrel; the translation cylinder (4) continues to retract until the horizontal cylinder end cover reaches the center of the disassembly and assembly device (6), rotate the top clamping screw (75) in the disassembly and assembly device (6), drive the clamping moving block (22) to move toward the center to hold the horizontal cylinder end cover; the motor reducer (65) drives the disassembly and assembly device large gear ring (71) to rotate through the drive gear (72), and the end cover is disassembled; S3. After the end cover is disassembled, the translation cylinder (7) extends the movable piston rod to leave the disassembly and assembly device (6), and the top clamping screw (75) in the disassembly and assembly device is rotated in the opposite direction to loosen the horizontal cylinder end cover, and the overhead crane hoisting end cover leaves the disassembly and assembly workbench; S4. When the cylinder barrel and the piston rod are separated, the translation cylinder (7) retracts to drive the tail clamping device (2) to move toward the side where the disassembly assembly device (6) is located, so that the piston rod head reaches the center of the disassembly assembly device (6), and the top clamping screw (75) in the disassembly assembly device (6) is rotated to drive the clamping moving block (22) to move toward the center to clamp the piston rod head. After clamping the piston rod head, the translation cylinder (7) extends to pull out the piston rod. In the process of pulling out the piston rod, the second rotating handle (51) of the piston rod support device (5) is rotated to drive the second forward and reverse adjustment screw (52) to drive the rubber roller (53) to contact the piston rod so that it supports the piston rod. After the cylinder barrel and the piston rod are completely separated, the tail clamping device (2) is released, and the cylinder barrel is hoisted away from the disassembly assembly workbench. S5. When disassembling the piston rod, install the piston rod clamping fixture (24) on the tail clamping device (2), install the stud at the appropriate position of the piston rod clamping fixture (24) according to the disassembly fixture hole of the piston rod at the bottom of the oil cylinder, and translate the oil cylinder (7) to drive the tail clamping device (2) to move and insert the disassembly fixture hole of the piston rod to clamp the piston rod; the motor reducer (65) drives the large gear ring (71) of the disassembly assembly device to rotate and disassemble the piston rod; after the disassembly is completed, the clamping screw (27) in the tail clamping device (2) is rotated in the opposite direction to drive the clamping moving block (22) to loosen the piston rod head, and the piston rod is hoisted away from the disassembly assembly platform by the overhead crane, and then the various components of the oil cylinder are cleaned and the relevant seals are replaced according to the requirements; The process of assembling the cylinder is the opposite of the process of disassembling the cylinder.

2. The working method of the horizontal cylinder disassembly and assembly workbench according to claim 1, characterized in that: The cylinder support device (3) comprises a first rotating handle (31), a first forward and reverse adjusting screw (32), a cylinder support bracket (33), a rubber (34) and a support device bottom plate (35); the first rotating handle (31) is connected to the end of the first forward and reverse adjusting screw (32), and when the first rotating handle (31) rotates, it drives the first forward and reverse adjusting screw (32) to rotate, and adjusts the distance between the cylinder support brackets (33) to adjust the height of the oil cylinder, and the first forward and reverse adjusting screw (32) is rotatably connected to the support device bottom plate (35).

3. The working method of the horizontal cylinder disassembly and assembly workbench according to claim 2, characterized in that: The oil cylinder jacking device (4) comprises a jacking device bottom plate (41), a lifting handle (42), a lifting screw (43), and a jacking clamp (44); the jacking device bottom plate (41) is fixedly connected to the slider (12) by bolts; The lifting handle (41) is connected to the end of the lifting screw (43). When the lifting handle (41) rotates, it drives the lifting screw (43) to move and adjust the height of the jacking clamp (44). The lifting screw (43) is threadedly connected to the central position of the jacking device bottom plate (41).

4. The working method of the horizontal cylinder disassembly and assembly workbench according to claim 3, characterized in that: The second rotating handle (51) is connected to the end of the second forward and reverse adjusting screw (52). When the second rotating handle (51) rotates, it drives the second forward and reverse adjusting screw (52) to rotate, thereby adjusting the distance between the piston rod support bracket (55) to adjust the height of the piston rod. The second forward and reverse adjusting screw (52) is rotatably connected to the bottom plate (54) of the piston rod support device; the rubber roller (53) is rotatably connected to the bracket of the bottom plate (54) of the piston rod support device to contact the piston rod to avoid scratching the piston rod.

5. The working method of the horizontal cylinder disassembly and assembly workbench according to claim 1, characterized in that: The bed (1) comprises a first bed frame (14), a second bed frame (15), and a third bed frame (16) fixedly connected by a bed frame connecting device (17); a translation cylinder fixing device (18) is installed on the inner side of the third bed frame (16) for fixing the translation cylinder (7).

6. The working method of the horizontal cylinder disassembly and assembly workbench according to claim 5, characterized in that: The guide moving device comprises a guide rail (12) and a slide block (13); the slide block (13) is connected to the tail clamping device (2), the cylinder support device (3), and the oil cylinder lifting device (4); and the tail of the first bed frame (14) is provided with a tail stopper (11) to prevent the tail clamping device (2) from falling.

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