CN218927533U - Clamp with flexible adjusting function - Google Patents

Abstract

The utility model discloses a clamp with a flexible adjusting function, which comprises a workbench, wherein two groups of opposite sides of a height adjusting component are respectively provided with an angle adjusting component, the height adjusting components are rotatably connected with a clamp main body through the angle adjusting components, the bottom of the clamp main body is movably connected with a supporting plate, the bottom of the supporting plate is fixedly provided with a bearing plate, the bottom of the bearing plate is slidably provided with a containing shell, the containing shell is slidably connected with the workbench.

Description

Clamp with flexible adjusting function

Technical Field

The utility model belongs to the technical field of clamps, and particularly relates to a clamp with a flexible adjusting function.

Background

The fixture is used to fix the machining object in the correct position during the machining process to accept the construction or detection. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in the process may be referred to as a fixture. Publication No.: CN213917832U discloses a fixture for machining with nimble regulatory function, including the mounting panel, the equal fixedly connected with in both sides on mounting panel surface adjusts the frame, the inner chamber of adjusting the frame is equipped with the fly leaf, the right side fixedly connected with of fly leaf removes the screw rod, remove the right side of screw rod and run through the adjusting frame and extend to the outside of adjusting the frame, the logical groove that uses with the cooperation of removal screw rod has been seted up on the right side of adjusting the frame inner chamber. According to the utility model, through the mounting plate, the adjusting frame, the movable plate, the movable rod, the clamping plate, the driving frame, the positioning nut, the movable screw, the movable plate and the electric telescopic rod, the device can achieve the function of flexible adjustment and use, and the problems that the fixture for machining in the prior market does not have the function of flexible adjustment, cannot adjust the fixed height position when fixing products with different heights, is unfavorable for the fixing and processing of the products and is unfavorable for the operation and use of users are solved.

The problems with the above techniques are: at present, most of mechanical clamps commonly used can only fix and clamp workpieces in a positioning mode, and can not flexibly adjust positions when the workpieces are machined, so that the machining efficiency of the workpieces is greatly reduced, and meanwhile, the positions of machining surfaces of the workpieces can not be flexibly adjusted when the workpieces are clamped in a fixing mode, and the workpieces can not be machined at any positions conveniently and fully, so that the clamp with the flexible adjusting function is provided.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides the clamp with the flexible adjusting function, which has the advantages that the position of a workpiece can be conveniently and flexibly adjusted, the fixed processing efficiency is improved, the angle of the processing surface of the workpiece can be adjusted according to the requirement, and the practicability of the clamp is improved, and the problems that most of the conventional mechanical clamps can only fix and clamp the workpiece in a positioning way and cannot flexibly adjust the position when processing the workpiece, thereby greatly reducing the processing efficiency of the workpiece, and meanwhile, the position of the processing surface of the workpiece cannot be flexibly adjusted when the workpiece is fixedly clamped, and the workpiece cannot be conveniently and fully processed at any position.

The utility model discloses a clamp with a flexible adjusting function, which comprises a workbench, wherein two ends of the upper surface of the workbench are fixedly provided with side plates, two groups of side plates are respectively provided with a height adjusting component, two groups of opposite sides of the height adjusting components are respectively provided with an angle adjusting component, the height adjusting components are rotationally connected with a clamp main body through the angle adjusting components, the bottom of the clamp main body is movably connected with a supporting plate, the bottom of the supporting plate is fixedly provided with a bearing plate, the bottom of the bearing plate is slidably provided with a containing shell, and the containing shell is slidably connected with the workbench.

As preferable in the utility model, the height adjusting assembly comprises a screw rod and an adjusting block, wherein the bottom of the adjusting block is provided with a threaded hole corresponding to the screw rod, the adjusting block is in threaded connection with the screw rod through the threaded hole, and the screw rod is in rotary connection with the side mounting plate.

As the preferable mode of the utility model, the opposite sides of the two groups of side mounting plates are respectively provided with an adjusting groove corresponding to the adjusting block, one end of the screw rod is rotatably arranged at the bottom of the adjusting groove, the upper surface of the side mounting plate is fixedly provided with a gear motor, an output shaft of the gear motor penetrates through the upper surface of the side mounting plate to the adjusting groove, the upper surface of the side mounting plate is provided with a through hole, and one end of the output shaft of the gear motor is fixedly connected with the screw rod.

As the preferable mode of the utility model, the two ends of the regulating block are fixedly provided with the first sliding blocks, the two sides of the regulating groove are provided with the first sliding grooves corresponding to the first sliding blocks, and the first sliding blocks are slidably arranged on the first sliding grooves.

As preferable, the angle adjusting assembly comprises a second motor and an installing plate, wherein one side of the installing plate is provided with an installing groove, the second motor is fixedly arranged on the installing groove, one end of an output shaft of the second motor is fixedly connected with the clamp main body, and the installing plate is rotatably connected with the adjusting block.

As the preferable mode of the utility model, the two ends of one side of the regulating block are fixedly provided with the locating plates, one side of one group of locating plates is fixedly provided with the first motor, the output shaft of the first motor penetrates through one side of one group of locating plates, one side of one group of locating plates is provided with the other group of through holes, the other side of the mounting plate is fixedly provided with the connecting block, one end of the output shaft of the first motor is fixedly connected with the connecting block, and one side of the connecting block is rotationally connected with the other group of locating plates.

Preferably, a rotating ring is fixedly arranged on one side of the clamp main body, a rotating groove corresponding to the rotating ring is formed on one side of the mounting plate, and the rotating ring is rotatably arranged on the rotating groove.

As the preferable mode of the utility model, the two ends of the upper surface of the supporting plate are respectively and correspondingly provided with a top plate, the two ends of the bottom of the top plate are respectively and fixedly provided with a fixed plate, a rotating rod is rotatably connected between the two groups of fixed plates, the two groups of rotating rods are respectively and rotatably connected with the supporting plate, the upper surface of the top plate is fixedly provided with a sliding block, the two ends of the bottom of the clamp main body are respectively provided with a sliding groove corresponding to the sliding block, and the sliding blocks are in sliding connection with the sliding grooves.

As the preferable mode of the utility model, grooves corresponding to the storage shells are formed at two ends of the upper surface of the workbench, second sliding blocks are fixedly arranged at two ends of the storage shells, second sliding grooves corresponding to the second sliding blocks are formed at two sides of the grooves, the second sliding blocks are slidably arranged on the second sliding grooves, fixing bolts are rotatably arranged at the lower end of one side of the bearing plate, and avoiding grooves corresponding to the fixing bolts are formed at one side of the storage shells.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the design that the adjusting block is in threaded connection with the screw rod through the threaded hole, when the screw rod is driven to rotate by the speed reducing motor, the screw rod can drive the adjusting block to move up and down through the threaded hole, so that the workpiece on the clamp main body can be driven to move up and down, the two groups of height adjusting components can adjust the inclination angle of the workpiece on the clamp main body through the first motor, so that the effect of conveniently and flexibly adjusting the position of the workpiece and improving the efficiency of fixed processing is achieved, the second motor is fixedly arranged on the mounting groove, the second motor can drive the clamp main body to rotate, and then the first motor can be matched, so that the workpiece can be conveniently and flexibly adjusted to any angle, and the effect of flexibly adjusting the angle of the processing surface of the workpiece according to the requirement of a user is achieved, and the practicability of the clamp is improved.

2. According to the utility model, through the design that the adjusting block is in threaded connection with the screw rod through the threaded hole, when the reducing motor drives the screw rod to rotate, the screw rod can drive the adjusting block to move up and down through the threaded hole, so that the effect that the reducing motor can drive the adjusting block to move up and down is achieved.

3. According to the utility model, through the design that one end of the output shaft of the speed reducing motor is fixedly connected with the screw rod, the speed reducing motor can drive the screw rod to rotate in the adjusting groove, so that the effect that the adjusting block can move up and down in the adjusting groove is achieved.

4. According to the utility model, through the design that the first sliding block is slidably arranged on the first sliding groove, when the adjusting block moves up and down through the screw rod, the adjusting block can slide on the first sliding groove through the first sliding block, so that the effect that the adjusting block moves directionally due to the cooperation between the first sliding block and the first sliding groove is achieved.

5. According to the utility model, through the design that one end of the output shaft of the second motor is fixedly connected with the clamp main body, the second motor can enable the clamp main body to rotate on one side of the mounting plate, so that the effect of being convenient for the workpiece on the clamp main body to rotate at an angle between two groups of side mounting plates is achieved.

6. According to the utility model, through the design that one end of the output shaft of the first motor is fixedly connected with the connecting block, the first motor can drive the connecting block to rotate between the two groups of positioning plates, so that the mounting plate can rotate, and the effect that the first motor can adjust the inclination angle of the clamp main body is achieved.

7. According to the utility model, through the effect that the rotating ring is rotatably arranged on the rotating groove, when the clamp main body rotates through the second motor, the clamp main body can drive the rotating ring to rotate on the rotating groove, so that the effect that the stability of the clamp main body can be improved through the cooperation between the rotating ring and the rotating groove is achieved.

8. According to the utility model, through the design that the sliding block is in sliding connection with the sliding groove, the sliding block can slide on the sliding groove when the inclination angle of the clamp main body is adjusted, and the sliding block can be pulled out of the sliding groove in a sliding manner when the clamp main body rotates, so that the clamp main body can not be prevented from rotating by the first motor, and the effect of improving the stability of the clamp main body caused by changing the inclination angle is achieved.

9. According to the utility model, through the design that the avoidance groove corresponding to the fixing bolt is formed on one side of the storage shell, the bearing plate can move up and down on the storage shell, and after the position of a workpiece is determined, the bearing plate can be fixed on the storage shell through the fixing bolt, so that the effect of supporting the workpiece by the auxiliary height adjusting assembly is achieved.

Drawings

FIG. 1 is a schematic perspective view of the overall structure provided by an embodiment of the present utility model;

FIG. 2 is a schematic perspective view of a height adjustment assembly according to an embodiment of the present utility model;

FIG. 3 is a schematic perspective view of an angle adjusting assembly according to an embodiment of the present utility model;

fig. 4 is a schematic perspective view of a carrier plate structure according to an embodiment of the present utility model.

In the figure: 1. a work table; 2. a side plate; 3. a support plate; 4. a carrying plate; 5. a clamp body; 6. an adjustment tank; 7. a first chute; 8. a first slider; 9. an angle adjustment assembly; 10. a height adjustment assembly; 11. a rotating groove; 12. a rotating ring; 13. a positioning plate; 14. a sliding groove; 15. a sliding block; 16. a top plate; 17. a fixing plate; 18. a rotating lever; 19. a fixing bolt; 20. a storage case; 21. a second slider; 22. a second chute; 101. an adjusting block; 102. a screw rod; 103. a speed reducing motor; 901. a first motor; 902. a connecting block; 903. a mounting plate; 904. and a second motor.

Detailed Description

For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.

The structure of the present utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, the clamp with flexible adjustment function provided by the embodiment of the utility model comprises a workbench 1, wherein both ends of the upper surface of the workbench 1 are fixedly provided with side plates 2, opposite sides of the two groups of side plates 2 are provided with height adjustment assemblies 10, opposite sides of the two groups of height adjustment assemblies 10 are provided with angle adjustment assemblies 9, the height adjustment assemblies 10 are rotatably connected with a clamp main body 5 through the angle adjustment assemblies 9, the bottom of the clamp main body 5 is movably connected with a supporting plate 3, the bottom of the supporting plate 3 is fixedly provided with a bearing plate 4, the bottom of the bearing plate 4 is slidably provided with a storage shell 20, and the storage shell 20 is slidably connected with the workbench 1.

The scheme is adopted: through the design of regulating block 101 through screw hole and screw 102 threaded connection, gear motor 103 drives when screw 102 rotates, screw 102 just can drive regulating block 101 through the screw hole and reciprocate, just can drive the work piece on the anchor clamps main part 5 and reciprocate, two sets of altitude mixture control subassembly 10 can adjust inclination through the work piece on the first motor 901 with the anchor clamps main part 5, thereby reached the position that can conveniently nimble adjustment work piece, the effect of fixed processing's efficiency has been improved, the design on the mounting groove of second motor 904 fixed mounting, the second motor 904 can drive anchor clamps main part 5 rotation, can cooperate first motor 901 afterwards, just can make things convenient for the work piece to adjust any angle in a flexible way, thereby reached the angle of the machined surface that can adjust the work piece according to user's demand, the effect of the practicality of anchor clamps has been improved.

Referring to fig. 2, the height adjusting assembly 10 includes a screw 102 and an adjusting block 101, a screw hole corresponding to the screw 102 is provided at the bottom of the adjusting block 101, the adjusting block 101 is screwed with the screw 102 through the screw hole, and the screw 102 is rotatably connected with the side mounting plate 2.

The scheme is adopted: through the design that regulating block 101 passes through screw hole and screw 102 threaded connection, when gear motor 103 drove screw 102 and rotates, screw 102 just can drive regulating block 101 through the screw hole and reciprocate to reached gear motor 103 and can drive the effect that regulating block 101 reciprocated.

Referring to fig. 2, adjusting grooves 6 corresponding to the adjusting blocks 101 are formed on opposite sides of the two sets of side plates 2, one end of a screw rod 102 is rotatably mounted at the bottom of the adjusting groove 6, a gear motor 103 is fixedly arranged on the upper surface of the side plate 2, an output shaft of the gear motor 103 penetrates through the upper surface of the side plate 2 to the adjusting groove 6, a through hole is formed in the upper surface of the side plate 2, and one end of an output shaft of the gear motor 103 is fixedly connected with the screw rod 102.

The scheme is adopted: through the design of gear motor 103 output shaft's one end and lead screw 102 fixed connection, gear motor 103 can drive lead screw 102 and rotate in adjustment tank 6 to reached the effect that can make regulating block 101 reciprocate in adjustment tank 6.

Referring to fig. 2, the two ends of the adjusting block 101 are fixedly provided with a first sliding block 8, two sides of the adjusting groove 6 are provided with a first sliding groove 7 corresponding to the first sliding block 8, and the first sliding block 8 is slidably mounted on the first sliding groove 7.

The scheme is adopted: through the design that first slider 8 slidable mounting is on first spout 7, when regulating block 101 reciprocates through lead screw 102, regulating block 101 can slide on first spout 7 through first slider 8 to reached the cooperation between first slider 8 and first spout 7 can make the effect of regulating block 101 directional movement.

Referring to fig. 3, the angle adjusting assembly 9 includes a second motor 904 and a mounting plate 903, a mounting groove is formed in one side of the mounting plate 903, the second motor 904 is fixedly mounted on the mounting groove, one end of an output shaft of the second motor 904 is fixedly connected with the clamp body 5, and the mounting plate 903 is rotatably connected with the adjusting block 101.

The scheme is adopted: through the design of one end and the anchor clamps main part 5 fixed connection of second motor 904 output shaft, second motor 904 can make anchor clamps main part 5 rotate in mounting panel 903 one side to reached can make things convenient for the work piece on the anchor clamps main part 5 to rotate the effect of angle between two sets of side package plates 2.

Referring to fig. 3, positioning plates 13 are fixedly mounted at two ends of one side of the adjusting block 101, a first motor 901 is fixedly mounted at one side of one group of positioning plates 13, an output shaft of the first motor 901 penetrates through one side of one group of positioning plates 13, another group of through holes are formed in one side of one group of positioning plates 13, a connecting block 902 is fixedly mounted at the other side of the mounting plate 903, one end of the output shaft of the first motor 901 is fixedly connected with the connecting block 902, and one side of the connecting block 902 is rotatably connected with the other group of positioning plates 13.

The scheme is adopted: through the design of one end and connecting block 902 fixed connection of first motor 901 output shaft, first motor 901 can drive connecting block 902 and rotate between two sets of locating plates 13, just can make mounting panel 903 rotate to the effect that first motor 901 can adjust anchor clamps main part 5 inclination has been reached.

Referring to fig. 3, a rotary ring 12 is fixedly installed on one side of the jig main body 5, a rotary groove 11 corresponding to the rotary ring 12 is formed on one side of the mounting plate 903, and the rotary ring 12 is rotatably installed on the rotary groove 11.

The scheme is adopted: through the effect of rotating the circle 12 and installing on the rotation groove 11, when the clamp body 5 rotates through the second motor 904, the clamp body 5 can drive the circle 12 to rotate on the rotation groove 11, thereby achieving the effect that the cooperation between the circle 12 and the rotation groove 11 can improve the stability of the clamp body 5.

Referring to fig. 4, top plates 16 are correspondingly disposed at two ends of the upper surface of the support plate 3, fixing plates 17 are fixedly mounted at two ends of the bottom of the top plates 16, rotating rods 18 are rotatably connected between the two groups of fixing plates 17, the two groups of rotating rods 18 are rotatably connected with the support plate 3, sliding blocks 15 are fixedly mounted on the upper surface of the top plates 16, sliding grooves 14 corresponding to the sliding blocks 15 are formed at two ends of the bottom of the clamp body 5, and the sliding blocks 15 are slidably inserted into the sliding grooves 14.

The scheme is adopted: through the design of sliding block 15 slip grafting on sliding tray 14, anchor clamps main part 5 when adjusting inclination, and sliding block 15 can slide on sliding tray 14, and anchor clamps main part 5 when rotating, can slide the sliding block 15 and take out outside the sliding tray 14, just can not hinder anchor clamps main part 5 through first motor 901 rotation angle to reached the effect that can improve anchor clamps main part 5 change inclination and make stability.

Referring to fig. 1 and 4, grooves corresponding to the storage cases 20 are formed at two ends of the upper surface of the workbench 1, second sliding blocks 21 are fixedly mounted at two ends of the storage cases 20, second sliding grooves 22 corresponding to the second sliding blocks 21 are formed at two sides of the grooves, the second sliding blocks 21 are slidably mounted on the second sliding grooves 22, fixing bolts 19 are rotatably mounted at the lower end of one side of the bearing plate 4, and avoiding grooves corresponding to the fixing bolts 19 are formed at one side of the storage cases 20.

The scheme is adopted: through the design of dodging the groove with fixing bolt 19 corresponding is offered to receiver 20 one side, carrier plate 4 can reciprocate at receiver 20, after the work piece position was confirmed, can fix carrier plate 4 on receiver 20 through fixing bolt 19 to reached the effect that can assist high adjusting part 10 to the work piece support.

The working principle of the utility model is as follows:

when using, fix the work piece both ends respectively on two sets of anchor clamps main part 5, then start gear motor 103 according to the demand, gear motor 103 can control regulating block 101 and reciprocate, can adjust the high position of work piece when regulating block 101 reciprocates, just can conveniently process the work piece, can start first motor 901 afterwards according to the demand, when using, slide sliding block 15 take out outside the sliding tray 14, just can start first motor 901 afterwards, first motor 901 can drive anchor clamps main part 5 turned angle, just can nimble rotate arbitrary angle with the work piece between two sets of side package plates 2, the practicality of anchor clamps has been improved.

To sum up: this anchor clamps with nimble regulatory function, through the cooperation between angle adjusting part 9 and the altitude mixture control subassembly 10, solved the present mechanical clamp that often uses most when using, can only fix a position fixed centre gripping to the work piece, can not carry out nimble regulation position when processing the work piece to great reduction work piece processing's efficiency, the work piece is in fixed centre gripping simultaneously, the position of the machined surface of adjustment work piece that can not be nimble, can not conveniently carry out the problem of processing to any position of work piece entirely.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a anchor clamps with nimble regulatory function, includes workstation (1), its characterized in that: the utility model provides a workbench, including workstation (1), backup pad (3) bottom fixed mounting has loading board (4), loading board (4) bottom slidable mounting has storage case (20), storage case (20) and workstation (1) sliding connection, workstation (1) upper surface both ends equal fixed mounting have side-mounting board (2), two sets of side-mounting board (2) opposite side all is provided with angle adjustment subassembly (9), angle adjustment subassembly (9) are passed through in height adjustment subassembly (10), angle adjustment subassembly (9) rotation are connected with anchor clamps main part (5), anchor clamps main part (5) bottom swing joint has backup pad (3), loading board (4) bottom fixed mounting has storage case (20).

2. A clamp with flexible adjustment function as defined in claim 1, wherein: the height adjusting assembly (10) comprises a screw rod (102) and an adjusting block (101), a threaded hole corresponding to the screw rod (102) is formed in the bottom of the adjusting block (101), the adjusting block (101) is in threaded connection with the screw rod (102) through the threaded hole, and the screw rod (102) is in rotary connection with the side mounting plate (2).

3. A clamp with flexible adjustment function as claimed in claim 2, characterized in that: two sets of lateral loading plate (2) opposite sides all set up with regulating block (101) corresponding adjustment tank (6), lead screw (102) one end is rotated and is installed in regulating tank (6) bottom, lateral loading plate (2) upper surface fixed is provided with gear motor (103), gear motor (103) output shaft runs through lateral loading plate (2) upper surface to regulating tank (6), the through-hole has been seted up to lateral loading plate (2) upper surface, the one end and the lead screw (102) fixed connection of gear motor (103) output shaft.

4. A clamp with flexible adjustment as set forth in claim 3, wherein: the two ends of the adjusting block (101) are fixedly provided with first sliding blocks (8), two sides of the adjusting groove (6) are provided with first sliding grooves (7) corresponding to the first sliding blocks (8), and the first sliding blocks (8) are slidably arranged on the first sliding grooves (7).

5. A clamp with flexible adjustment as set forth in claim 4, wherein: the angle adjusting assembly (9) comprises a second motor (904) and a mounting plate (903), a mounting groove is formed in one side of the mounting plate (903), the second motor (904) is fixedly mounted on the mounting groove, one end of an output shaft of the second motor (904) is fixedly connected with the clamp main body (5), and the mounting plate (903) is rotationally connected with the adjusting block (101).

6. A clamp with flexible adjustment function as set forth in claim 5, wherein: the utility model discloses a motor, including locating plate (902), mounting panel (903) opposite side fixed mounting, locating plate (13) are all fixed mounting in both ends on locating plate (101) one side, a set of locating plate (13) one side fixed mounting has first motor (901), first motor (901) output shaft runs through a set of locating plate (13) one side, a set of another set of through-hole has been seted up on locating plate (13) one side, mounting panel (903) opposite side fixed mounting has connecting block (902), the one end and connecting block (902) fixed connection of first motor (901) output shaft, connecting block (902) one side and another set of locating plate (13) rotate to be connected.

7. A clamp with flexible adjustment function as set forth in claim 6, wherein: a rotating ring (12) is fixedly arranged on one side of the clamp main body (5), a rotating groove (11) corresponding to the rotating ring (12) is formed in one side of the mounting plate (903), and the rotating ring (12) is rotatably arranged on the rotating groove (11).

8. A clamp with flexible adjustment function as defined in claim 1, wherein: the utility model discloses a clamp, including backup pad (3) upper surface, backup pad (16), fixed plate (17) are all provided with in both ends of backup pad (3) upper surface, the equal fixed mounting in roof (16) bottom both ends have, two sets of rotate between fixed plate (17) and be connected with dwang (18), two sets of dwang (18) all rotate with backup pad (3) and be connected, fixed surface installs slider (15) on roof (16), sliding tray (14) corresponding with slider (15) have all been seted up at anchor clamps main part (5) bottom both ends, slider (15) slip grafting is on sliding tray (14).

9. A clamp with flexible adjustment function as defined in claim 1, wherein: the utility model discloses a workbench, including workstation (1), holding plate (4), holding plate (20), holding plate (4) and holding plate (19), holding plate (20) and holding plate (19) are all offered to holding plate (4), holding plate (20) both ends are all fixed mounting has second slider (21), second spout (22) corresponding with second slider (21) are all offered to the recess both sides, second slider (21) slidable mounting is on second spout (22), fixing bolt (19) are installed in the lower extreme rotation of holding plate (4) one side, holding plate (20) one side offered and are dodged the groove with fixing bolt (19) is corresponding.

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