Quick dismounting and mounting equipment for guider assembly of single-cylinder damper

Abstract

The utility model discloses a single-cylinder damper guider assembly quick dismounting and mounting equipment, which comprises a base, a clamping assembly, a pressing assembly, a limiting pressure head and a screw head, the clamping assembly is connected with the base, the clamping assembly clamps the outside of a damper, the pressing assembly is connected with the base, the pressing assembly comprises a movable pressure head capable of moving up and down, and the limiting pressure head is connected with the screw head. The piston rod is sleeved with the limiting pressing head, and the limiting pressing head is located above the guider; the movable pressing head is located above the limiting pressing head; the screw head is connected with the top end of the piston rod, and the bolt head is located above the movable pressing head. The guide device has the advantages that guide device assemblies with different diameters and different depths can be rapidly assembled; the clamping assembly for fixing the damper is arranged, so that the operation safety is improved; and the universality is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of vehicle suspension technical field, and especially a kind of single cylinder damper guider assembly installation and dismounting equipment. BACKGROUND

[0002] Single cylinder damper is filled with oil to generate damping force, in order to prevent oil leakage, ensure the reliability of sealing, it needs to install guider in single cylinder damper pipe orifice, and install O-shaped sealing ring outside guider to prevent liquid leakage. In the assembly process of damper, guider needs to be installed with sealing ring, and then guider assembly is installed in damper cylinder, because O-shaped sealing ring must maintain a certain compression amount to realize sealing, so that the friction when guider assembly is installed in damper outer cylinder is very large, which causes difficulty in centering during installation, and often accompanied by "creeping" phenomenon during installation, which makes installation difficult. In order to ensure that guider part of damper does not leak oil during use, guider assembly needs to be vertically guided into damper cylinder, and cannot be inclined, and the depth of guider assembly vertically along the cylinder wall needs to be effectively controlled.

[0003] During research or trial production stage, single cylinder damper needs to be disassembled and assembled several times according to test results, so as to optimize damper, and during disassembly, due to atmospheric pressure, friction and other factors, guider is difficult to be taken out, and due to limited space, it is difficult to find a force point, which causes time and labor during disassembly of guider assembly.

[0004] Although large equipment can realize the above functions, the price is high, and the site is large, so it is not suitable for research purpose, but manual assembly is usually knocked, punched and manually guided, which is difficult to control the position depth and perpendicularity of guider during installation, so as to spend a lot of time on assembly of guider assembly, and the quality is difficult to guarantee.

[0005] The information disclosed in this BACKGROUND section is only intended to increase an understanding of the general background of the application, and should not be taken as an acknowledgement or any form of suggestion that this information forms prior art that is already known to a person of ordinary skill in the art. CONTENT OF THE UTILITY MODEL

[0006] The technical problem to be solved by the utility model is how to solve the problem of difficult disassembly and time and labor of single cylinder damper.

[0007] The utility model solves the above technical problems by the following technical means:

[0008] The single-cylinder damper guide assembly quick dismounting device comprises a base, a clamping assembly, a pressing-down assembly, a limiting pressure head and a screw head, the clamping assembly is connected to the base, the clamping assembly clamps the damper outside, the pressing-down assembly is connected to the base, the pressing-down assembly comprises a movable pressure head capable of moving up and down, the limiting pressure head is sleeved on the outside of the piston rod and located above the guide, and the movable pressure head is located above the limiting pressure head; the screw head is connected to the top end of the piston rod, and the screw head is located above the movable pressure head.

[0009] In the utility model, when installing the guide, the appropriate limiting pressure head is selected according to the cylinder diameter, the limiting pressure head is inserted along the piston rod, the damper is clamped and fixed by the clamping assembly, the movable pressure head of the pressing-down assembly is pressed down, the limiting pressure head is acted on the guide, and the guide is assembled in place by uniform force. When the guide needs to be dismounted, the screw head is connected to the top end of the piston rod, the movable pressure head moves upward, and the guide is gradually pulled out. The utility model, the limiting pressure head can be replaced and accurately positioned, can satisfy the quick assembly of guide assemblies with different diameters and different depths, has the clamping assembly for fixing the damper, and the safety of operation is improved; and the utility model has strong universality.

[0010] Preferably, the clamping assembly comprises a column and a clamping arm, the pressing-down assembly comprises a guide rail, the column is connected to the bottom of the guide rail and the base, the column and the guide rail are arranged at intervals, and the two ends of the clamping arm are connected to the column and the guide rail respectively.

[0011] Preferably, the inner side of the clamping arm is connected to a clamping block, and the clamping block is detachably connected to the clamping arm.

[0012] The clamping block can be replaced to adapt to dampers with different outer diameters.

[0013] Preferably, the utility model further comprises a perpendicularity guide tool, which is arranged on the base and located between the column and the guide rail.

[0014] The perpendicularity guide tool is a V-shaped block, and can realize positioning.

[0015] Preferably, the limiting pressure head is a cylindrical structure, the limiting pressure head comprises a central hole penetrating up and down, and the piston rod penetrates through the central hole.

[0016] Preferably, the top end of the limiting pressure head extends radially to form a stepped structure, and the outer diameter of the stepped structure is greater than the inner diameter of the damper.

[0017] Different limiting pressure heads can be replaced according to different cylinder diameters, and the top stepped structure of the limiting pressure head can be clamped at the damper cylinder opening during the pressing-down process, so that the depth of the guide can be accurately positioned through the height of the stepped structure.

[0018] Preferably, the inner diameter of the center hole is 0.1-0.15mm larger than the outer diameter of the piston rod.

[0019] Preferably, the down-pressing assembly further comprises a slide rail, a cross arm, a driving assembly, the slide rail is a sleeve structure, the slide rail is sleeved on a guide rail, the cross arm is connected on the slide rail, the moving press head is connected on the cross arm, and the driving assembly is connected on the slide rail.

[0020] Preferably, the middle part of the moving press head penetrates the piston rod, and both ends of the moving press head comprise a sliding groove connected with the cross arm.

[0021] Preferably, the driving assembly comprises a motor and a screw rod, the gear on the output end of the motor is engaged with the gear at the bottom end of the screw rod, the screw rod is arranged in parallel with the guide rail, and the slide rail is connected with the screw rod.

[0022] Through driving of the motor, gear transmission is achieved, the slide rail moves up and down along the guide rail, the moving press head moves up and down, down-pressing and up-lifting are realized, power output is uniform, self-locking is good, the time of down-pressing and up-lifting of the guider assembly is greatly shortened, production progress is accelerated, and delivery period is shortened.

[0023] The utility model discloses the advantages of:

[0024] In the utility model, when installing the guider, selecting the appropriate limit press head according to the cylinder diameter, the limit press head penetrates along the piston rod, and the damper is clamped and fixed by the clamping assembly, and the moving press head of the down-pressing assembly is pressed down, acts on the limit press head, the limit press head acts on the guider, thereby evenly force assembles the guider in place. When the guider needs to be disassembled, the screw rod head is connected at the top end of the piston rod, and the moving press head moves upward, gradually pulling out the guider. The utility model, the limit press head can be replaced and can be accurately positioned, can satisfy the quick assembly of guider assemblies of different diameters and different depths, has the clamping assembly of fixed damper, improves the safety of operation, and has strong universality.

[0025] The damper of different outer diameters can be adapted by replacing the clamping block.

[0026] The perpendicularity guider tool is a V-shaped block, and can realize the positioning effect.

[0027] Different limit press heads can be replaced according to different cylinder diameters, the top step structure of the limit press head can be clamped at the damper cylinder opening in the down-pressing process, and the depth position of the guider can be accurately positioned through the height of the step.

[0028] Through motor driving, gear transmission, the slide rail moves up and down along the guide rail direction, thereby the up and down movement of the moving pressure head is realized, the pressing down and lifting up are realized; the power output of the utility model is even, the self-locking is good, the time of the guiding device assembly pressing down and lifting up is greatly shortened, the production progress is accelerated, the delivery period is shortened. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is the structural schematic view of the single cylinder damper guiding device assembly quick dismounting equipment of the utility model embodiment;

[0030] Figure 2 It is the top partial view of the pressing down assembly;

[0031] Figure 3 It is Figure 1 The enlarged view of A in the figure;

[0032] Reference numerals in the figure:

[0033] 1, base; 2, clamping assembly; 21, stand; 22, clamping arm; 23, clamping block; 3, pressing down assembly; 31, moving pressure head; 32, guide rail; 33, slide rail; 34, cross arm; 35, motor; 36, screw rod; 4, limit pressure head; 5, screw rod head; 6, damper; 61, shell; 62, piston rod; 63, piston; 7, guiding device; 8, perpendicularity guiding tool. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantages of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be clearly and completely described below, obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0035] Embodiment one:

[0036] The single cylinder damper guiding device assembly quick dismounting equipment, including base 1, clamping assembly 2, pressing down assembly 3, limit pressure head 4, screw rod head 5, the clamping assembly 2 is connected the base 1, the clamping assembly 2 clamps the outside of damper 6, the pressing down assembly 3 is connected the base 1, the pressing down assembly 3 includes the moving pressure head 31 that can move up and down, the limit pressure head 4 is sleeved in the outside of piston rod 62 and is located above guiding device 7, the moving pressure head 31 is located above limit pressure head 4;Screw rod head 5 is connected with the top end of piston rod 62, and screw bolt head 5 is located above moving pressure head 31.

[0037] Specifically, the damper 6 comprises a shell 61, a piston rod 62, and a piston 63, the piston 63 is arranged in the shell 61, and the piston rod 62 is connected to the piston 63 and extends out of the top end of the shell 61.

[0038] The base 1 is a flat plate structure, and the clamping assembly 2 and the pressing assembly 3 can be installed on the base 1. A verticality guide tool 8 is further arranged in the middle of the base 1 and located between the clamping assembly 2 and the pressing assembly 3. The verticality guide tool 8 is a V-shaped block, the bottom of the damper 6 is arranged on the V-shaped block, and the two side surfaces of the V-shaped block can realize the positioning function.

[0039] The clamping assembly 2 comprises a stand 21, clamping arms 22, and clamping blocks 23. The stand 21 is connected to the left side of the base 1. The pressing assembly 3 comprises a guide rail 32. The clamping arms 22 are two, and the two ends of the two clamping arms 22 are connected to the stand 21 and the guide rail 32. The inner side of the clamping arm 22 can be connected to the clamping block 23. The inner surface of the clamping block 23 is arc-shaped, so that the clamping block 23 can be well attached to the damper 6. At the same time, different sizes of dampers 6 can be adapted by replacing the clamping block 23. The end of the clamping arm 22 connected to the guide rail 32 is tightened by a key nut.

[0040] As shown in Figure 1 , Figure 3 The limiting pressure head 4 is a cylindrical structure, and the limiting pressure head 4 comprises a center hole penetrating up and down, and the piston rod 62 passes through the center hole. The inner diameter of the center hole is greater than or 0.1-0.15mm larger than the outer diameter of the piston rod 62, so that the piston rod 62 can pass through the middle of the limiting pressure head 4. The top end of the limiting pressure head 4 extends radially to form a stepped structure, and the outer diameter of the stepped structure is greater than the inner diameter of the shell 61 of the damper 6. The top stepped structure of the limiting pressure head 4 can be clamped to the cylinder port at the top end of the shell 61 of the damper 6 during the pressing process, which facilitates the accurate positioning of the depth of the guide 7. For example, if the depth of the guide 7 inserted into the shell 61 is H1, then the distance between the stepped surface of the limiting pressure head 4 and the bottom surface is also H1. In this embodiment, different limiting pressure heads 4 can be replaced according to the different cylinder diameters of the dampers 6.

[0041] The top end of the piston rod 62 is connected to the screw head 5 by threads.

[0042] In this embodiment, when the guide 7 is installed, the appropriate limiting pressure head 4 is selected according to the cylinder diameter, the limiting pressure head 4 is inserted along the piston rod 62, the bottom surface of the limiting pressure head 4 is arranged on the top of the guide 7, the bottom end of the damper 6 is arranged on the verticality guide tool 8, the middle part of the damper 6 is fixed by clamping through the clamping arms 22, and the moving pressure head 31 of the pressing assembly 3 is pressed, which acts on the limiting pressure head 4, and the limiting pressure head 4 acts on the guide 7, so that the guide 7 is uniformly forced into place.

[0043] When the guide 7 needs to be disassembled, select the appropriate screw head 5 according to the thread pitch of the piston rod 62, screw the screw head 5 into the piston rod 62 as shown, put the damper 6 on the two inclined surfaces of the perpendicularity guide tool 8, and tighten the star nut to fix and clamp the damper 6. Connect the screw head 5 at the top end of the piston rod 62, move the pressure head 31 upward, after contacting the screw head 5, a vertical upward force acts on the lower surface of the screw head 5, the screw head 5 moves upward and drives the piston rod 62 to move upward, pulling the piston 63 upward, the piston 63 contacts the bottom surface of the guide 7, and an upward force is applied to gradually pull out the guide 7.

[0044] In this embodiment, the limit pressure head 4 can be replaced and precisely positioned, and can meet the rapid assembly of guide assemblies of different diameters and different depths; the clamping assembly 2 with a fixed damper 6 improves the safety of operation; and it is highly versatile.

[0045] Embodiment two:

[0046] As shown in Figure 1 , this embodiment is based on embodiment one, the lower pressing assembly 3 includes a moving pressure head 31, a guide rail 32, a sliding rail 33, a cross arm 34, and a driving assembly; the driving assembly includes a motor 35 and a screw 36. The motor 35 is located on one side of the entire device, the gear on the output end of the motor 35 is engaged with the gear at the bottom end of the screw 36, and the gears of the motor 35 and the screw 36 are bevel gears, which can achieve 90-degree angle transmission of force.

[0047] The screw 36 is arranged in parallel with the guide rail 32. Among them, the guide rail 32 is a square rod structure, and the sliding rail 33 is a square cylindrical structure, the shapes of the two limit their movement only in the vertical direction.

[0048] The sliding rail 33 is connected with the screw 36, the sliding rail 33 is a sleeve structure, the sliding rail 33 is sleeved on the guide rail 32, the cross arm 34 is connected on the sliding rail 33, the moving pressure head 31 is connected on the cross arm 34, the motor 35 is drivingly connected with the screw 36, and the right side of the sliding rail 33 is fixedly connected with a bracket, and the bracket is threadedly connected with the screw 36.

[0049] In this embodiment, as shown in Figure 2 , the middle part of the moving pressure head 31 penetrates the piston rod 62, both ends of the moving pressure head 31 include a sliding groove, and the sliding groove is connected with the cross arm 34. The two cross arms 34 can support the moving pressure head 31, so that the stress is uniform.

[0050] In the embodiment, when installing the guide 7, a suitable limiting pressure head 4 is selected according to the cylinder diameter, the limiting pressure head 4 is inserted along the piston rod 62, the bottom surface of the limiting pressure head 4 is placed on the top of the guide 7, the bottom end of the damper 6 is placed on the verticality guide tool 8, and the middle part of the damper 6 is fixed by clamping through the clamping arm 22. The motor 35 is rotated in the positive direction, drives the screw rod 36 to rotate, the slide rail 33 cannot rotate under the limitation of the guide rail 32, and can only realize the vertical movement, the slide rail 33 moves downward, thereby driving the horizontal arm 34 to move, the horizontal arm 34 drives the moving pressure head 31 to move downward along the piston rod 62, the moving pressure head 31 is pressed downward, acts on the limiting pressure head 4, the limiting pressure head 4 acts on the guide 7, and the guide 7 is uniformly forced to be assembled in place.

[0051] When the guide 7 needs to be disassembled, a suitable screw rod head 5 is selected according to the thread pitch of the piston rod 62, the screw rod head 5 is screwed into the piston rod 62 according to the figure, the damper 6 is placed on the two inclined surfaces of the verticality guide tool 8, and the damper 6 is fixed and clamped by rotating the star nut. The screw rod head 5 is connected to the top end of the piston rod 62. The motor 35 is reversed, drives the screw rod 36 to rotate, the slide rail 33 cannot rotate under the limitation of the guide rail 32, and can only realize the vertical movement, the slide rail 33 moves upward, thereby driving the horizontal arm 34 to move, drives the moving pressure head 31 to move downward, after the top surface of the moving pressure head 31 contacts the screw rod head 5, a vertical upward force acts on the lower surface of the screw rod head 5, the screw rod head 5 moves upward, drives the piston rod 62 to move upward, pulls the piston 63 to move upward, the piston 63 contacts the bottom surface of the guide 7, and an upward force is given to the guide 7, and the guide 7 is gradually pulled out.

[0052] The embodiment is driven by the motor 35, gear transmission is performed, the slide rail 33 moves upward and downward along the guide rail 32, thereby the moving pressure head 31 moves upward and downward, and the pressing and lifting are realized. The power output of the embodiment is uniform, the self-locking performance is good, the time of pressing and lifting of the guide assembly is greatly shortened, the production progress is accelerated, and the delivery period is shortened.

[0053] The above embodiment is only used to illustrate the technical scheme of the utility model, rather than limit it. Although the utility model is described in detail with reference to the foregoing embodiment, those skilled in the art should understand that the technical scheme recorded in the foregoing embodiment can be modified, or some technical features can be replaced equivalently. The modification or replacement does not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the utility model.

Claims

1. A quick-assembly and disassembly device for a single-tube damper guide assembly, characterized in that, The device includes a base, a clamping assembly, a pressing assembly, a limiting pressure head, and a screw head. The clamping assembly is connected to the base and clamps the outside of the damper. The pressing assembly is connected to the base and includes a movable pressure head that can move up and down. The limiting pressure head is sleeved on the outside of the piston rod and located above the guide. The movable pressure head is located above the limiting pressure head. The screw head is connected to the top of the piston rod, and the bolt head is located above the movable pressure head.

2. The quick assembly and disassembly device for a single-tube damper guide assembly according to claim 1, characterized in that, The clamping assembly includes a column and a clamping arm, the pressing assembly includes a guide rail, the bottom of the column and the guide rail are connected to the base, the column and the guide rail are arranged at intervals, and the two ends of the clamping arm are connected to the column and the guide rail respectively.

3. The quick assembly and disassembly device for a single-tube damper guide assembly according to claim 2, characterized in that, The clamping arm is connected to a clamping block on its inner side, and the clamping block is detachably connected to the clamping arm.

4. The quick assembly and disassembly device for a single-tube damper guide assembly according to claim 2, characterized in that, It also includes a verticality guide fixture, which is mounted on the base plate and positioned between the column and the guide rail.

5. The quick assembly and disassembly device for a single-tube damper guide assembly according to claim 1, characterized in that, The limiting pressure head has a cylindrical structure and includes a central hole that extends through the top and bottom, through which the piston rod passes.

6. The quick assembly and disassembly device for a single-tube damper guide assembly according to claim 5, characterized in that, The top of the limiting pressure head extends radially to form a stepped structure, and the outer diameter of the stepped structure is larger than the inner diameter of the damper.

7. The quick assembly and disassembly device for a single-tube damper guide assembly according to claim 5, characterized in that, The inner diameter of the central hole is 0.1-0.15 mm larger than the outer diameter of the piston rod.

8. The quick assembly and disassembly device for a single-tube damper guide assembly according to claim 2, characterized in that, The pressing assembly also includes a slide rail, a cross arm, and a drive assembly. The slide rail is a sleeve-shaped structure and is sleeved on the guide rail. The cross arm is connected to the slide rail, the moving pressing head is connected to the cross arm, and the drive assembly is connected to the slide rail.

9. The quick assembly and disassembly device for a single-tube damper guide assembly according to claim 8, characterized in that, The piston rod passes through the middle of the movable pressure head, and both ends of the movable pressure head include sliding grooves, which are connected to the cross arm.

10. The quick-assembly and disassembly device for a single-tube damper guide assembly according to claim 8, characterized in that, The drive assembly includes a motor and a screw. The gear at the output end of the motor meshes with the gear at the bottom end of the screw. The screw is arranged parallel to the guide rail, and the slide rail is connected to the screw.

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