Auxiliary assembling device for hydraulic clutch

Abstract

The hydraulic clutch auxiliary assembling device comprises an adjusting unit, and the adjusting unit comprises a mounting arm, two adjusting arms symmetrically arranged at the two ends of the mounting arm in a sliding mode and an adjusting piece arranged on the mounting arm and used for driving the two adjusting arms to be close to or away from each other; the two sets of clamping units are arranged on the corresponding adjusting arms correspondingly and matched with the corresponding adjusting arms to form clamping structures so as to clamp the hydraulic clutch; the force application unit comprises an ejector rod arranged on the mounting arm and a pressure plate rotationally arranged at one end of the ejector rod, and the ejector rod is used for driving the pressure plate to extrude the hydraulic clutch to complete assembly; the two adjusting arms are driven by the adjusting piece to symmetrically slide, the distance between the clamping units can be accurately adjusted, and centering positioning of hydraulic clutches of different specifications is achieved. And in cooperation with the coaxial force application design of the force application unit ejector rod and the pressing disc, it can be ensured that the pressing disc vertically extrudes the stress end of the clutch spring, spring bias is avoided, and the problems that when an existing tool compresses the spring, positioning deviation exists, and the compression amount is not accurate are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hydraulic clutch assembly, in particular to a kind of auxiliary assembly device of hydraulic clutch. BACKGROUND

[0002] The hydraulic clutch built-in rope storage cylinder is in free elongation state in the absence of pressure oil supply state, and the internal compression spring will continuously press the clutch friction plate, resulting in that the axial space inside the clutch is completely occupied.When assembling core components such as friction plate and bearing, due to the blocking of spring pre-tightening force, the parts cannot be smoothly assembled along the clutch shaft, and the parts cannot be smoothly assembled along the clutch shaft. Using rough methods such as manual hammering, not only is the efficiency low, but also the friction plate is easily deformed, the bearing raceway is damaged, and the stability and service life of the clutch are affected. SUMMARY

[0003] In view of the problems existing in the prior art, the purpose of the present application is to provide an auxiliary assembly device of hydraulic clutch to solve the problem that the existing clutch assembly tooling in the prior art cannot accurately compress the spring and maintain a stable assembly environment.

[0004] To achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows: an auxiliary assembly device of hydraulic clutch, comprising an adjusting unit, the adjusting unit comprising a mounting arm, two adjusting arms symmetrically and slidingly arranged at both ends of the mounting arm, and an adjusting member arranged on the mounting arm for driving the two adjusting arms to move closer to or away from each other;

[0005] A clamping unit comprising two groups, respectively arranged on the corresponding adjusting arms, and forming a clamping structure with the corresponding adjusting arms to clamp the hydraulic clutch;

[0006] A force applying unit comprising a top rod arranged on the mounting arm and a pressure plate rotatably arranged at one end of the top rod, the top rod being used to drive the pressure plate to extrude the hydraulic clutch to complete the assembly.

[0007] Compared with the prior art, the present application has the following beneficial effects: the two adjusting arms are driven by the adjusting member to symmetrically slide, the distance between the clamping units can be accurately adjusted to realize the center positioning of hydraulic clutches of different specifications; the coaxial force applying design of the top rod and the pressure plate of the force applying unit can ensure that the pressure plate vertically extrudes the force receiving end of the spring of the clutch, avoids the spring bias, and solves the problems of positioning deviation and inaccurate compression amount when the existing tooling compresses the spring. The two groups of clamping units and the adjusting arms form a symmetrical clamping structure, which can firmly fix the hydraulic clutch shell and prevent the shell from moving during assembly; the top rod of the force applying unit drives the pressure plate to rotate to adapt to the extrusion angle, and the stable positioning of the clamping unit makes the spring maintain a preset state after compression, avoiding the spring rebound and assembly gap fluctuation caused by the lack of reliable positioning in the existing tooling, and providing a stable space for the assembly of friction plates, bearings and other parts.

[0008] Preferably, each adjusting arm comprises a mounting seat sleeved on the mounting arm, and two clamping arms fixedly connected with the mounting seat, and the two clamping arms are both L-shaped.

[0009] Preferably, the adjusting member comprises a limiting shaft and a bidirectional screw rod, the limiting shaft and the bidirectional screw rod are respectively located on the two sides of the mounting arm and both pass through the corresponding mounting seat; wherein the limiting shaft is in sliding connection with the corresponding mounting seat, and the bidirectional screw rod is in threaded connection with the corresponding mounting seat.

[0010] Preferably, each clamping unit comprises an L-shaped clamping arm, and a driving block is fixedly arranged on the clamping arm; a stroke groove is formed in each clamping arm, a screw rod is rotatably arranged in the stroke groove, the driving block is slidably arranged in the corresponding stroke groove and is in threaded connection with the corresponding screw rod, and the clamping arm is arranged in abutment with the corresponding clamping arm.

[0011] Preferably, each screw rod is provided with a worm wheel, and a worm is rotatably arranged in each clamping arm, one end of the worm extends out of the clamping arm, and each worm is in meshing connection with the corresponding worm wheel.

[0012] Preferably, each clamping arm is provided with an adjusting assembly at one end away from the mounting arm, and the adjusting assembly is used for adjusting the clamping area of the corresponding clamping arm.

[0013] Preferably, each adjusting assembly comprises a bottom plate, a through groove is formed in the inside of the bottom plate, and a protruding strip is arranged on each side of the through groove; a clamping groove is formed in each side of one end of each clamping arm away from the mounting arm, and each protruding strip is movably clamped with the corresponding clamping groove.

[0014] Preferably, the mounting arm is provided with a baffle at each end.

[0015] Preferably, the bottom of the pressing plate is provided with a first rubber pad.

[0016] Preferably, the opposite surfaces of the two clamping arms, the two clamping arms and the two bottom plates are all provided with a second rubber pad. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic diagram of the embodiment of the application.

[0018] Figure 2 It is an explosion structure schematic diagram of the embodiment of the application.

[0019] Figure 3 It is a front view of the embodiment of the application.

[0020] Figure 4 It is a structure schematic diagram of the adjusting assembly in the embodiment of the application.

[0021] Figure 5 It is a structure schematic diagram of the clamping unit in the embodiment of the application.

[0022] The reference signs in the drawings of the specification include:

[0023] 10, mounting arm; 11, baffle;

[0024] 20, adjusting arm; 21, mounting seat; 22, clamping arm; 23, stroke groove; 24, second rubber pad; 25, clamping groove;

[0025] 30, clamping arm; 31, driving block;

[0026] 40, bottom plate; 41, convex strip;

[0027] 50, top rod; 51, pressure plate; 52, first rubber pad;

[0028] 60, bidirectional screw; 61, limiting shaft;

[0029] 70, worm; 71, worm gear; 72, screw. DETAILED DESCRIPTION

[0030] The technical solutions in the present application will be further described below in combination with the drawings and examples.

[0031] As shown in the drawings, Figures 1 to 5 The embodiment of the present application proposes a hydraulic clutch auxiliary assembly device, which comprises an adjusting unit, the adjusting unit comprises a mounting arm 10, two adjusting arms 20 symmetrically and slidingly arranged at both ends of the mounting arm 10, and an adjusting member arranged on the mounting arm 10 and used for driving the two adjusting arms 20 to move close to or away from each other; the adjusting unit drives the two adjusting arms 20 to symmetrically slide through the adjusting member, so that the distance between the clamping units can be accurately adjusted to realize the center positioning of hydraulic clutches of different specifications.

[0032] The clamping unit comprises two groups, which are arranged on the corresponding adjusting arms 20 respectively and form a clamping structure with the corresponding adjusting arms 20 to clamp the hydraulic clutch; the two groups of clamping units form a symmetrical clamping structure with the adjusting arms 20, so that the hydraulic clutch shell can be firmly fixed and displacement of the shell in the assembly process is prevented; the driving of the pressure plate 51 by the top rod 50 of the force applying unit rotates to adapt the extrusion angle, and the stable positioning of the clamping unit makes the spring keep a preset state after being compressed, so as to avoid the spring rebound and assembly gap fluctuation caused by no reliable positioning of the existing tooling, and provide a stable space for the assembly of friction plates, bearings and other parts.

[0033] The force applying unit comprises a top rod 50 arranged on the mounting arm 10 and a pressure plate 51 rotatably arranged at one end of the top rod 50, and the top rod 50 is used for driving the pressure plate 51 to extrude the hydraulic clutch to complete the assembly; the top rod 50 of the force applying unit drives the pressure plate 51 to rotate to adapt the extrusion angle.

[0034] As shown in the drawings, Figure 2As shown, each adjusting arm 20 comprises a mounting seat 21 sleeved on the mounting arm 10, and two clamping arms 22 fixedly connected with the mounting seat 21, both of which are L-shaped. The adjusting arm 20 adopts the combined structure of the mounting seat 21 and the clamping arm 22, the mounting seat 21 is sleeved on the mounting arm 10, which can realize the sliding adjustment of the adjusting arm 20 along the mounting arm 10, and provides the basis for clamping interval adjustment; the clamping arm 22 is fixedly connected with the mounting seat 21, which can ensure the structural rigidity in the clamping process and avoid stress deformation.

[0035] Both of the clamping arms 22 are L-shaped, which can form a clamping structure of lateral limiting + end face supporting: on the one hand, the horizontal section of the L-shaped can fit the side wall of the hydraulic clutch shell, realizing horizontal positioning; on the other hand, the vertical section can abut against the end face of the shell, preventing axial movement of the clutch during assembly, adapting to the shape characteristics of the rope storage cylinder hydraulic clutch, and improving the clamping stability.

[0036] As shown in Figure 2 The adjusting member comprises a limiting shaft 61 and a bidirectional screw rod 60, the limiting shaft 61 and the bidirectional screw rod 60 are respectively located on both sides of the mounting arm 10 and pass through the corresponding mounting seat 21; wherein the limiting shaft 61 is in sliding connection with the corresponding mounting seat 21, and the bidirectional screw rod 60 is in threaded connection with the corresponding mounting seat 21. The adjusting member adopts the combination of the limiting shaft 61 and the bidirectional screw rod 60, and they are respectively arranged on both sides of the mounting arm 10 to form a symmetrical support structure. The bidirectional screw rod 60 as a power transmission component is in threaded connection with the mounting seat 21, and when rotating, it can drive the two mounting seats 21 to move synchronously along the axial direction of the screw rod, and then drive the adjusting arm 20 to complete the clamping interval adjustment; the limiting shaft 61 as a guide limiting component is in sliding cooperation with the mounting seat 21, which can limit the rotation of the mounting seat 21 along with the bidirectional screw rod 60, and ensure that the adjusting arm 20 only moves in a straight line direction, avoiding deflection and jamming during adjustment.

[0037] The limiting shaft 61 and the bidirectional screw rod 60 are respectively arranged on both sides of the mounting arm 10, which makes the force and guidance of the two mounting seats 21 more balanced, ensures that the moving stroke of the two adjusting arms 20 is completely synchronized, and then ensures the center positioning accuracy of the clamping unit to the hydraulic clutch, avoiding the clamping deviation caused by uneven unilateral force, and providing a stable coaxial reference for subsequent spring compression.

[0038] As shown in Figure 4 And Figure 5As shown, each clamping unit comprises a clamping arm 30 in L shape, and a driving block 31 is fixedly arranged on the clamping arm 30; a stroke groove 23 is formed in each clamping arm 22, a screw rod 72 is rotatably arranged in the stroke groove 23, the driving block 31 is slidably arranged in the corresponding stroke groove 23 and threadedly connected with the corresponding screw rod 72, and the clamping arm 30 is arranged in close contact with the corresponding clamping arm 22. The clamping arm 30 and the clamping arm 22 are both in L shape and arranged in close contact, and form a nested clamping structure. When the screw rod 72 drives the clamping arm 30 to move along the stroke groove 23, the end of the clamping arm 30 and the end of the clamping arm 22 can be relatively close or far away, thereby forming a clamping opening with variable spacing. This structure can adapt to hydraulic clutch housings with different external dimensions, and the close design of the double-layer L shape increases the clamping contact area, avoiding the shell deviation caused by single-point stress, and providing a stable positioning reference for subsequent spring compression.

[0039] Each clamping unit is equipped with an independent screw rod 72 driving structure, which can respectively fine-tune the positions of the two clamping arms 30 according to the shape tolerance of the clutch housing, to ensure that the clamping force is uniformly applied to both sides of the housing.

[0040] As shown in Figure 5 Each screw rod 72 is provided with a worm wheel 71, and each clamping arm 22 is rotatably provided with a worm 70, one end of the worm 70 extending out of the clamping arm 22, and each worm 70 being engaged with the corresponding worm wheel 71.

[0041] The engagement characteristics of the worm-worm gear have a reverse self-locking function - only the worm can drive the worm gear, and the worm gear cannot drive the worm in reverse, ensuring that the clamping arm 30 will not be displaced after being adjusted to the target position due to the reaction force of the clutch housing, and providing a stable clamping state for the assembly of the hydraulic clutch.

[0042] As shown in Figure 4 Each clamping arm 22 is provided with an adjusting assembly at the end away from the mounting arm 10, and the adjusting assembly is used to adjust the clamping area of the corresponding clamping arm 22.

[0043] Adjusting the clamping area can increase the contact area between the clamping arm 22 and the clutch housing, so that the clamping force is uniformly distributed on the surface of the housing, avoiding deformation or surface damage of the housing caused by local stress concentration; at the same time, by adjusting the contact area to adapt to the irregular shape of the housing, the close fit of clamping can be further enhanced, preventing the housing from moving axially or radially during assembly, and providing a reliable positioning basis for accurate spring compression.

[0044] As shown in Figure 4As shown, each adjusting assembly comprises a bottom plate 40, the inside of the bottom plate 40 is provided with a through slot, and the two sides of the through slot are respectively provided with a protrusion 41; the two sides of the end of each clamping arm 22 away from the mounting arm 10 are provided with a clamping groove 25, and each protrusion 41 is movably clamped with the corresponding clamping groove 25. The adjusting assembly is movably clamped with the protrusion 41 and the clamping groove 25, so that the bottom plate 40 can slide along the length direction of the end of the clamping arm 22. The operator can adjust the length of the bottom plate 40 extending out of the clamping arm 22 according to the size of the hydraulic clutch shell, and then change the effective contact range of the end of the clamping arm 22, so as to realize the accurate adjustment of the clamping area, adapt to the clutch shells of different outer diameter specifications, and improve the universality of the tooling.

[0045] As shown in Figure 1 The mounting arm 10 is provided with a baffle 11 at both ends. The baffle 11 at both ends of the mounting arm 10 can axially limit the adjusting arm 20 sleeved on the mounting arm 10, prevent the adjusting arm 20 from deviating from the track of the mounting arm 10 due to excessive stroke when sliding along the mounting arm 10 under the drive of the bidirectional screw rod 60, and avoid the interruption of assembly or safety hazards caused by the sliding of tooling components.

[0046] As shown in Figure 2 The bottom of the pressure plate 51 is provided with a first rubber pad 52. The first rubber pad 52 at the bottom of the pressure plate 51 can play a role of elastic buffering when the pressure plate 51 is driven by the ejector rod 50 to press the clutch spring seat, avoid the rigid contact between the pressure plate 51 and the spring seat, prevent the surface of the spring seat from being pressed and deformed, and at the same time, reduce the vibration impact in the force applying process and protect the internal precise structure of the clutch.

[0047] As shown in Figure 4 The opposite surfaces of the two clamping arms 22, the two clamping arms 30 and the two bottom plates 40 are respectively provided with a second rubber pad 24. The second rubber pad 24 is arranged on the opposite surfaces of the clamping arm 22, the clamping arm 30 and the bottom plate 40, respectively, uses the high friction coefficient characteristic of the rubber material to increase the contact friction force between each clamping component and the hydraulic clutch shell, effectively prevents the radial slip or axial movement of the shell during assembly; at the same time, the elastic characteristic of the rubber pad can convert the rigid clamping into flexible clamping, avoid the direct contact between the metal components such as the clamping arm 22 and the clamping arm 30 and the clutch shell, prevent the shell surface from being scratched and indented; at the same time, it can buffer the stress concentration in the clamping process, adapt to the shape tolerance of the shell, and avoid the deformation of the shell caused by clamping too tightly.

[0048] The implementation principle of the embodiment of the application is as follows: first, the hydraulic clutch shell and the friction plate, bearing and other components to be assembled are sequentially stacked on a flat assembly platform according to the assembly sequence; then, according to the outer diameter size of the hydraulic clutch shell, the spacing of the two clamping arms 22 is first adjusted by the bidirectional screw rod 60 to achieve coarse positioning, and then the clamping arm 30 is driven to move along the stroke groove 23 by rotating the worm 70 to complete fine positioning, so that the clamping arm 22, the clamping arm 30 and the second rubber pad 24 on the bottom plate 40 are tightly attached to the surface of the shell, thereby achieving stable clamping of the clutch shell; finally, the pressure plate 51 at the end of the ejector rod 50 is passed through each component to be assembled, so that it is accurately abutted on the spring seat of the spring in the clutch; the ejector rod 50 is driven to apply axial pressure to compress the spring, and after the spring is compressed to a preset stroke and is kept stable by the pressure maintaining structure, the accurate assembly of the friction plate, bearing and other components can be sequentially completed.

[0049] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the application and are not limiting. Although the application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the application can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the application, and all of them should be covered in the scope of the claims of the application.

Claims

1. A hydraulic clutch auxiliary assembly device, characterized in that, include: The adjustment unit includes a mounting arm (10), two symmetrical adjustment arms (20) slidably disposed at both ends of the mounting arm (10), and an adjustment member disposed on the mounting arm (10) for driving the two adjustment arms (20) to move closer or further apart from each other; The clamping unit includes two sets, which are respectively disposed on the corresponding adjusting arm (20) and cooperate with the corresponding adjusting arm (20) to form a clamping structure to clamp the hydraulic clutch; The force application unit includes a push rod (50) disposed on the mounting arm (10) and a pressure plate (51) rotatably disposed at one end of the push rod (50). The push rod (50) is used to drive the pressure plate (51) to compress the hydraulic clutch to complete the assembly.

2. The hydraulic clutch auxiliary assembly device according to claim 1, characterized in that, Each of the adjusting arms (20) includes a mounting base (21) sleeved on the mounting arm (10) and a clamping arm (22) fixedly connected to the mounting base (21), and both clamping arms (22) are L-shaped.

3. The hydraulic clutch auxiliary assembly device according to claim 2, characterized in that, The adjusting component includes a limiting shaft (61) and a bidirectional lead screw (60). The limiting shaft (61) and the bidirectional lead screw (60) are located on both sides of the mounting arm (10) and both pass through the corresponding mounting seat (21). The limiting shaft (61) is slidably connected to the corresponding mounting seat (21), and the bidirectional lead screw (60) is threadedly connected to the corresponding mounting seat (21).

4. The hydraulic clutch auxiliary assembly device according to claim 2, characterized in that, Each clamping unit includes an L-shaped clamping arm (30), and a driving block (31) is fixed on the clamping arm (30); each clamping arm (22) is provided with a stroke groove (23), and a screw (72) is rotatably provided in the stroke groove (23). The driving block (31) is slidably provided in the corresponding stroke groove (23) and threadedly connected to the corresponding screw (72), and the clamping arm (30) is fitted with the corresponding clamping arm (22).

5. The hydraulic clutch auxiliary assembly device according to claim 4, characterized in that, Each screw (72) is provided with a worm wheel (71), and each clamping arm (22) is rotatably provided with a worm (70). One end of the worm (70) extends outside the clamping arm (22), and each worm (70) meshes with the corresponding worm wheel (71).

6. The hydraulic clutch auxiliary assembly device according to claim 4, characterized in that, Each of the clamping arms (22) is provided with an adjustment component at the end away from the mounting arm (10), the adjustment component being used to adjust the clamping area of ​​the corresponding clamping arm (22).

7. The hydraulic clutch auxiliary assembly device according to claim 6, characterized in that, Each of the adjustment components includes a base plate (40), the base plate (40) has a through groove inside, and protrusions (41) are respectively provided on both sides of the through groove; each clamping arm (22) has a slot (25) on both sides of the end away from the mounting arm (10), and each protrusion (41) is movably engaged with the corresponding slot (25).

8. The hydraulic clutch auxiliary assembly device according to claim 1, characterized in that, Both ends of the mounting arm (10) are provided with baffles (11).

9. The hydraulic clutch auxiliary assembly device according to claim 1, characterized in that, The bottom of the pressure plate (51) is provided with a first rubber pad (52).

10. The hydraulic clutch auxiliary assembly device according to claim 7, characterized in that, The two clamping arms (22), the two clamping arms (30), and the two base plates (40) are all provided with a second rubber pad (24) on their opposite surfaces.

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