CN218891758U

CN218891758U - Hydraulic piston rod surface repair auxiliary tool

Info

Publication number: CN218891758U
Application number: CN202223129546.6U
Authority: CN
Inventors: 陈良庆
Original assignee: Taian Zhuolutai Electrical Technology Co ltd
Current assignee: Taian Zhuolutai Electrical Technology Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-04-21
Anticipated expiration: 2032-11-24

Abstract

The utility model relates to the technical field of hydraulic rod repair and discloses a hydraulic piston rod surface repair auxiliary tool, which comprises a base, a lifting oil cylinder, an arc-shaped supporting plate and a side plate, wherein a clamping assembly is arranged on the wall surface of the side plate, the clamping assembly comprises clamping plates, a connecting plate, a limiting rod and a positioning screw rod, the end part of a piston rod body is placed between the two clamping plates by placing the shell part of the piston rod body on the arc-shaped supporting plate, the positioning screw rod is rotated to push the two clamping plates to be close to each other, one clamping plate slides relative to the limiting rod, the flat end part of the piston rod body is clamped by the two clamping plates to fix the whole piston rod, the circumferential part of the piston rod body is clamped by the two clamping plates relative to the prior art, the sealing is prevented from being influenced by gaps on the circumferential surface, meanwhile, the flat end part of the piston rod body is clamped by the two clamping plates, and the piston rod body is not easy to rotate and slide when the piston rod body is repaired to form a large torque in time, and the stability is higher.

Description

Hydraulic piston rod surface repair auxiliary tool

Technical Field

The utility model relates to the technical field of hydraulic rod repair, in particular to an auxiliary fixture for repairing the surface of a hydraulic piston rod.

Background

The prior art has disclosed hydraulic piston rod surface repair auxiliary fixture (CN 201922429480.4) through searching, including the base, portal, support mechanism and hold-down mechanism set up on the portal on the base; at least two supporting mechanisms are arranged; at least one compressing mechanism is used for compressing the hydraulic piston rod in cooperation with the supporting mechanism; a bullseye bearing is arranged on the side, which is contacted with the hydraulic cylinder and the hydraulic piston rod, of the supporting mechanism; an anti-slip pad is arranged on one side of the pressing mechanism, which is contacted with the hydraulic piston rod; the utility model has the beneficial effects that: the supporting mechanism and the pressing mechanism are arranged for fixing the hydraulic cylinder and the hydraulic piston rod, the bull's eye bearing is arranged for rotating the hydraulic cylinder and the hydraulic piston rod, and the hydraulic piston rod of the cylindrical surface is convenient to repair; the anti-slip pad is arranged so that the hydraulic piston rod cannot rotate when the hydraulic piston rod is fixed by the compression mechanism, and repair is affected;

in the prior art, the circumferential surface of the piston rod is clamped by two mutually close arc plates to fix the piston rod, and the fixing mode easily causes scratches on the surface of the piston rod to affect the sealing when particles are adhered to the surface of the arc plates or the piston rod, and meanwhile, the circumferential clamping can bear limited torque and the phenomenon of circumferential rotation of the piston rod in the clamping process is easy to occur.

Therefore, we propose an auxiliary fixture for repairing the surface of the hydraulic piston rod.

Disclosure of Invention

The utility model mainly solves the technical problems in the prior art and provides an auxiliary fixture for repairing the surface of a hydraulic piston rod.

In order to achieve the above purpose, the hydraulic piston rod surface repairing auxiliary tool adopts the following technical scheme that the hydraulic piston rod surface repairing auxiliary tool comprises a base, a lifting oil cylinder, an arc-shaped supporting plate and a side plate, wherein the lifting oil cylinder is fixedly connected with the base, the arc-shaped supporting plate is fixedly connected with an output shaft of the lifting oil cylinder, the side plate is fixedly connected with the base, a clamping assembly is arranged on the wall surface of the side plate, the clamping assembly comprises clamping plates, a connecting plate, a limiting rod and a positioning screw rod, the connecting plate is fixedly connected with the side plate, two clamping plates are arranged on the side wall of the connecting plate and are both in rotary connection with the connecting plate, the limiting rod is fixedly connected with one clamping plate and is in sliding connection with the other clamping plate, and the two clamping plates are mutually close to each other through the positioning screw rod to clamp the piston rod.

Further, the splint is the rectangle piece, and the gag lever post runs through one of them splint and the terminal surface of gag lever post and the top surface fixed connection of another gag lever post, and the terminal surface of locating screw rotates with the splint of gag lever post terminal surface to be connected, and the screw hole is seted up to the wall of another splint and locating screw and the splint threaded connection that has the screw hole, gag lever post and locating screw symmetry set up.

Further, the clamping assembly further comprises a sliding groove and a rotating ring, the sliding groove is formed in the wall surface of the connecting plate, the rotating ring is in sliding connection with the sliding groove, and the clamping plate is fixedly connected with the rotating ring.

Further, the rotating ring is an annular plate, the sliding groove is an annular groove, the sliding groove has the same diameter as the rotating ring, and the clamping plate on the end face of the limiting rod is fixedly connected with the rotating ring.

Further, the clamping assembly further comprises a positioning hole, a threaded sleeve and a limiting screw, the positioning hole is formed in the wall surface of the rotating ring, the threaded sleeve is fixedly connected with the connecting plate, and the limiting screw is in threaded connection with the threaded sleeve.

Further, the locating hole is offered in the outer periphery of swivel ring and the locating hole is circular hole, and the outer periphery equidistance of swivel ring sets up the locating hole, and threaded sleeve runs through the wall of connecting plate, and spacing screw rod and threaded sleeve inner wall sliding connection and spacing screw rod extend to in the sliding tray, and spacing screw rod's tip is spherical protruding, and spacing screw rod's tip adaptation locating hole.

Advantageous effects

The utility model provides an auxiliary fixture for repairing the surface of a hydraulic piston rod. The beneficial effects are as follows:

(1) This hydraulic pressure piston rod surface repair auxiliary fixtures places the casing part of piston rod through pressing night on the arc layer board, place the end part of the piston body of rod between two splint, rotate the locating screw and promote two splint and be close to each other, one of them splint slides relative gag lever post, press from both sides the flat position clamp of end with the piston rod through two splint and press from both sides tight realization to the fixed of whole piston rod, the circumference face part of piston rod is pressed from both sides to the relative prior art, avoid the centre gripping circumference face to make circumference face gully influence sealed, simultaneously, press from both sides the flat tip position of beating the piston rod through two splint, in time the piston body of rod is when being become week great moment by the restoration, the piston body of rod is also difficult to rotatory slip, stability is higher.

(2) This hydraulic piston rod surface repair auxiliary fixtures, press from both sides the end of the piston rod body tightly fixed back through two splint, rotate splint and drive the swivel ring and rotate in the sliding tray, after need repairing the position adjustment to suitable position with piston rod body periphery, rotate spacing screw and make the tip of spacing screw get into the locking of corresponding locating hole internal realization swivel ring position for the piston rod body can place steadily, also can circumference rotation adjustment position, the convenience is higher, and the flexibility is stronger, to the position adjustment of piston rod and locking simple operation high efficiency.

Drawings

The structures, proportions, sizes, etc. shown in this description are for illustration purposes only and are not intended to limit the scope of the utility model, which is otherwise, used by those skilled in the art to which this utility model pertains.

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic view of an inventive clamping assembly and side plate installation;

fig. 3 is an exploded view of the inventive clamping assembly.

Legend description:

10. a base; 11. a lifting oil cylinder; 12. an arc-shaped supporting plate; 13. a side plate; 20. a clamping plate; 21. a connecting plate; 22. a limit rod; 23. positioning a screw; 30. a sliding groove; 31. a rotating ring; 32. positioning holes; 33. a threaded sleeve; 34. and a limit screw.

Detailed Description

1-2, the hydraulic piston rod surface repair auxiliary tool comprises a base 10, a lifting cylinder 11, an arc-shaped supporting plate 12 and a side plate 13, wherein the lifting cylinder 11 is fixedly connected with the base 10, the arc-shaped supporting plate 12 is fixedly connected with an output shaft of the lifting cylinder 11, the side plate 13 is fixedly connected with the base 10, a clamping assembly is arranged on the wall surface of the side plate 13, the clamping assembly comprises a clamping plate 20, a connecting plate 21, a limiting rod 22 and a positioning screw 23, the connecting plate 21 is fixedly connected with the side plate 13, two clamping plates 20 are arranged on the side wall of the connecting plate 21, the two clamping plates 20 are both rotationally connected with the connecting plate 21, the limiting rod 22 is fixedly connected with one clamping plate 20 and the limiting rod 22 is slidingly connected with the other clamping plate 20, the two clamping plates 20 are mutually close to clamp a piston rod through the positioning screw 23, the clamping plates 20 are rectangular blocks, the limiting rod 22 penetrates through one clamping plate 20 and the end surface of the limiting rod 22 is fixedly connected with the top surface of the other limiting rod 22, the end face of the positioning screw 23 is rotationally connected with the clamping plate 20 on the end face of the limiting rod 22, the wall face of the other clamping plate 20 is provided with a threaded hole, the positioning screw 23 is in threaded connection with the clamping plate 20 with the threaded hole, the limiting rod 22 and the positioning screw 23 are symmetrically arranged, the end part of the piston rod body is placed between the two clamping plates 20 by placing the shell part of the night pressing piston rod on the arc-shaped supporting plate 12, the rotating positioning screw 23 pushes the two clamping plates 20 to mutually approach, one clamping plate 20 slides relative to the limiting rod 22, the flat end part of the piston rod is clamped by the mutually approaching two clamping plates 20 to fix the whole piston rod, the circumferential face part of the piston rod is clamped relatively to the prior art, the effect of sealing due to the fact that the circumferential face is affected by the grooves is avoided by clamping the circumferential face, meanwhile, the flat end part of the piston rod is clamped by the two clamping plates 20, in time, when the piston rod body is repaired into larger torque, the piston rod body is not easy to rotate and slide, and the stability is higher.

As shown in fig. 2-3, the clamping assembly further comprises a sliding groove 30 and a rotating ring 31, the wall surface of the connecting plate 21 is provided with the sliding groove 30, the rotating ring 31 is in sliding connection with the sliding groove 30, the clamping plate 20 is fixedly connected with the rotating ring 31, the rotating ring 31 is an annular plate, the sliding groove 30 is an annular groove, the sliding groove 30 and the rotating ring 31 have the same diameter, the clamping plate 20 on the end surface of the limiting rod 22 is fixedly connected with the rotating ring 31, the clamping assembly further comprises a positioning hole 32, a threaded sleeve 33 and a limiting screw 34, the wall surface of the rotating ring 31 is provided with the positioning hole 32, the threaded sleeve 33 is fixedly connected with the connecting plate 21, the limiting screw 34 is in threaded connection with the threaded sleeve 33, the positioning hole 32 is provided on the outer circumferential surface of the rotating ring 31 and is a circular hole, the outer circumferential surface of the rotating ring 31 is equidistantly provided with the positioning hole 32, the threaded sleeve 33 penetrates through the wall surface of the connecting plate 21, the limit screw 34 is in sliding connection with the inner wall surface of the threaded sleeve 33, the limit screw 34 extends into the sliding groove 30, the end part of the limit screw 34 is in a spherical bulge, the end part of the limit screw 34 is matched with the positioning hole 32, after the end head of the piston rod body is clamped and fixed through the two clamping plates 20, the rotating clamping plates 20 drive the rotating ring 31 to rotate in the sliding groove 30, after the position of the circumferential surface of the piston rod body needs to be repaired to be adjusted to a proper position, the limit screw 34 is rotated, so that the end part of the limit screw 34 enters the corresponding positioning hole 32 to lock the position of the rotating ring 31, the piston rod body can be stably placed, the position can be circumferentially adjusted, the convenience is higher, the flexibility is higher, and the position adjustment and locking operation of the piston rod are convenient and efficient.

The working principle of the utility model is as follows: the shell part of the night pressing piston rod is placed on the arc-shaped supporting plate 12, the end part of the piston rod body is placed between the two clamping plates 20, the rotating positioning screw 23 pushes the two clamping plates 20 to be close to each other, one of the clamping plates 20 slides relative to the limiting rod 22, the flat end part of the piston rod is clamped through the two clamping plates 20 to fix the whole piston rod, after the two clamping plates 20 clamp and fix the end part of the piston rod body, the rotating clamping plates 20 drive the rotating ring 31 to rotate in the sliding groove 30, and when the position of the circumferential surface of the piston rod body needs to be repaired to be adjusted to a proper position, the end part of the limiting screw 34 enters the corresponding positioning hole 32 to lock the position of the rotating ring 31 by rotating the limiting screw 34.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a hydraulic piston rod surface repair auxiliary fixtures, includes base (10), lift cylinder (11), arc layer board (12) and curb plate (13), lift cylinder (11) and base (10) fixed connection, output shaft fixed connection of arc layer board (12) and lift cylinder (11), curb plate (13) and base (10) fixed connection, its characterized in that: the wall of curb plate (13) sets up clamping assembly, clamping assembly includes splint (20), connecting plate (21), gag lever post (22) and locating screw (23), connecting plate (21) and curb plate (13) fixed connection, the lateral wall of connecting plate (21) sets up two splint (20), and two splint (20) all rotate with connecting plate (21) to be connected, gag lever post (22) and one of them splint (20) fixed connection and gag lever post (22) and another splint (20) sliding connection, and two splint (20) are close to each other through locating screw (23) and press from both sides tight piston rod.

2. The hydraulic piston rod surface repair auxiliary tool according to claim 1, wherein: the clamping plates (20) are rectangular blocks, the limiting rod (22) penetrates through one clamping plate (20) and the end face of the limiting rod (22) is fixedly connected with the top face of the other limiting rod (22), the end face of the positioning screw (23) is rotationally connected with the clamping plate (20) on the end face of the limiting rod (22), the wall face of the other clamping plate (20) is provided with a threaded hole, the positioning screw (23) is in threaded connection with the clamping plate (20) with the threaded hole, and the limiting rod (22) and the positioning screw (23) are symmetrically arranged.

3. The hydraulic piston rod surface repair auxiliary tool according to claim 1, wherein: the clamping assembly further comprises a sliding groove (30) and a rotating ring (31), the sliding groove (30) is formed in the wall surface of the connecting plate (21), the rotating ring (31) is connected with the sliding groove (30) in a sliding mode, and the clamping plate (20) is fixedly connected with the rotating ring (31).

4. A hydraulic piston rod surface repair auxiliary tool according to claim 3, wherein: the rotating ring (31) is an annular plate, the sliding groove (30) is an annular groove, the sliding groove (30) and the rotating ring (31) have the same diameter, and the clamping plate (20) on the end face of the limiting rod (22) is fixedly connected with the rotating ring (31).

5. A hydraulic piston rod surface repair auxiliary tool according to claim 3, wherein: the clamping assembly further comprises a positioning hole (32), a threaded sleeve (33) and a limit screw (34), the wall surface of the rotary ring (31) is provided with the positioning hole (32), the threaded sleeve (33) is fixedly connected with the connecting plate (21), and the limit screw (34) is in threaded connection with the threaded sleeve (33).

6. The hydraulic piston rod surface repair auxiliary tool according to claim 5, wherein: the locating hole (32) is formed in the outer circumferential surface of the rotating ring (31), the locating hole (32) is a circular hole, the locating holes (32) are formed in the outer circumferential surface of the rotating ring (31) at equal intervals, the threaded sleeve (33) penetrates through the wall surface of the connecting plate (21), the limit screw (34) is slidably connected with the inner wall surface of the threaded sleeve (33) and extends into the sliding groove (30), the end part of the limit screw (34) is in a spherical bulge, and the end part of the limit screw (34) is matched with the locating hole (32).