CN219054135U

CN219054135U - Special fixture of tubular product hydrostatic testing machine

Info

Publication number: CN219054135U
Application number: CN202223389585.XU
Authority: CN
Inventors: 冯建彪; 汪清
Original assignee: Suran Pipe Industry Zhangjiakou Co ltd
Current assignee: Suran Pipe Industry Zhangjiakou Co ltd
Priority date: 2022-12-17
Filing date: 2022-12-17
Publication date: 2023-05-23
Anticipated expiration: 2032-12-17

Abstract

The utility model belongs to the technical field of pipe performance detection equipment, and particularly relates to a special fixture of a pipe hydrostatic testing machine, which comprises a U-shaped base, wherein a bidirectional screw rod which is arranged in a penetrating manner is rotatably arranged between the inner walls of the front side and the rear side of the U-shaped base, two U-shaped support plates are connected with the outer side of the bidirectional screw rod in a threaded manner, guide rods are fixedly arranged between the inner walls of the front side and the rear side of the U-shaped base, and the two U-shaped support plates are both in sliding connection with the guide rods. The fixing device is reasonable in structural design, the fixing tables are close to or far away from each other, the positions of the fixing tables can be adjusted according to the diameters of the pipes, the problem that the lower clamp cover is inconvenient to place at the bottom of the pipes can be solved by erecting the pipes, the fixing rods are clamped into or separated from the grooves, the upper clamp cover and the lower clamp cover can be more conveniently fixed and separated, and the problem that bolts are used for fixing and disassembling are more laborious is solved.

Description

Special fixture of tubular product hydrostatic testing machine

Technical Field

The utility model relates to the technical field of pipe performance detection equipment, in particular to a special fixture of a pipe hydrostatic testing machine.

Background

The hydrostatic testing machine for pipe is used for measuring the maximum pressure value of pressure-resistant breaking time or instantaneous explosion of various pipes such as thermoplastic pipe, composite pipe (such as PP-R, PP-B, PP-A, PE-X, PVC, PVC-U, PVC-C) and aluminum-plastic composite pipe under constant internal pressure and constant temperature for a long time, and is necessary detection equipment for plastic pipe manufacturers and detection mechanisms. According to different temperatures, pressures and ring stresses of the pipe, different parameters are input on an industrial control machine, high-pressure liquid is generated by a high-pressure pump, and is conveyed into a sample in a medium incubator by a high-pressure hose through a pressure control system to carry out long-time hydrostatic test of the pipe. The equipment can fully embody the product quality level of enterprises. Digital display meter control, liquid crystal display control, and computer control may be employed.

The utility model discloses a special fixture of tubular product hydrostatic testing machine of authorized publication number CN214334484U, including the anchor clamps body, the one end of anchor clamps body is equipped with the through-hole that supplies tubular product to pass through, the upper and lower symmetry that one end of anchor clamps body is located the through-hole is equipped with first logical groove, sliding connection has the rack in the first logical groove, the upper and lower both ends symmetry that is located the through-hole on the anchor clamps body is equipped with the cavity, the inside top of cavity is equipped with first screw thread mounting hole, the inside bottom of cavity is equipped with the second screw thread mounting hole, be connected with the threaded rod between first screw thread mounting hole and the second screw thread mounting hole, be equipped with the gear on the lateral wall of threaded rod, the threaded rod runs through the second screw thread mounting hole and extends to the splint of through-hole internal connection has fixed tubular product, the other end of anchor clamps body is the shutoff state, and shutoff department is connected with the supporting legs. The clamping plate is driven by the rack to fix the pipe according to the size of the pipe, and the pipe clamping device is simple in structure and convenient to operate.

But this equipment discovers in the in-service use, and it need be fixed through the bolt when fixing anchor clamps upper cover and anchor clamps lower cover, but it is comparatively time-consuming through the bolt fastening to can lead to work efficiency to reduce, and then can make the practicality of anchor clamps reduce, therefore we propose a special fixture of tubular product hydrostatic testing machine to solve this problem.

Disclosure of Invention

The utility model aims to solve the problems in the background art, and provides a special clamp for a pipe hydrostatic testing machine.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a special fixture for a pipe hydrostatic testing machine, comprising:

the U-shaped base, rotate between the both sides inner wall around the U-shaped base and install the bi-directional screw rod that runs through the setting, bi-directional screw rod outside threaded connection has two U-shaped backup pads, fixed mounting has the guide bar between the both sides inner wall around the U-shaped base, two U-shaped backup pads all with guide bar sliding connection, two equal fixed mounting in U-shaped backup pad tops have two fixed stations.

Preferably, the motor is fixedly arranged at the rear side of the U-shaped base, the rear end of the bidirectional screw rod penetrates through the U-shaped base and is fixedly connected with an output shaft of the motor, and universal wheels are fixedly arranged at four corners of the bottom of the U-shaped base.

Preferably, the same pipe is movably placed at the top of the four fixing tables, and the left end and the right end of the pipe are detachably provided with clamp bodies.

Preferably, the clamp body comprises a clamp upper cover and a clamp lower cover, wherein the inner wall of the clamp upper cover is contacted with the upper surface of the pipe, and the inner wall of the clamp lower cover is contacted with the lower surface of the pipe.

Preferably, the first clamping blocks are fixedly installed on the front side and the rear side of the upper cover of the clamp, the second clamping blocks are fixedly installed on the front side and the rear side of the lower cover of the clamp, and the two first clamping blocks are hollow.

Preferably, the screw rod penetrating through the first clamping block is rotatably installed on the inner wall of the top of the first clamping block, the top end of the screw rod penetrates through the inner wall of the top of the first clamping block and extends to the upper portion of the first clamping block, and the top end of the screw rod is fixedly provided with a disc.

Preferably, the screw outside threaded connection has the movable plate, two first gag levers post of fixed mounting on the inner wall of first grip block bottom, two first gag levers post all run through the movable plate to rather than sliding connection, movable plate front side fixed mounting has first articulated seat, it has the connecting rod to articulate on the first articulated seat, the connecting rod other end articulates there is the articulated seat of second.

Preferably, the stopper is fixedly installed at the bottom of the second hinging seat, the second limiting rod is fixedly installed on the inner wall of the front side of the first clamping block, the second limiting rod penetrates through the stopper and is in sliding connection with the stopper, the connecting plate is fixedly installed at the front side of the second hinging seat, the sliding rod is fixedly installed at the front side of the connecting plate, the front end of the sliding rod penetrates through the first clamping block, the fixing plate is fixedly installed at the front end of the sliding rod, the fixing rod is fixedly installed at the rear side of the fixing plate, the front side of the second clamping block is provided with a groove, and the fixing rod is in sliding connection with the groove.

According to the special clamp for the pipe hydrostatic testing machine, the bidirectional screw rod can be driven to rotate through the rotation of the motor output shaft, and the two U-shaped support plates in threaded connection with the bidirectional screw rod can be driven to be mutually close to or far away under the guiding action of the guide rod through the rotation of the bidirectional screw rod, so that the two fixing tables at the front side and the two fixing tables at the rear side can be driven to be mutually close to or far away from each other, the positions of the fixing tables can be adjusted according to the diameters of pipes, the application range of the clamp is greatly improved, and the problem that the lower cover of the clamp is inconvenient to place at the bottom of the pipe can be solved through the pipe frame;

according to the special clamp for the pipe hydrostatic testing machine, the moving plate which is in threaded connection with the moving plate is driven to move upwards under the action of the first limiting rod through rotation of the screw rod, meanwhile, the first hinging seat can be driven to move upwards, and further, the second hinging seat can be driven to move under the action of the connecting rod, so that the fixing plate moves along with the first hinging seat, until the fixing rod is clamped into the groove formed in the second clamping block, then the other three first clamping blocks are fixed with the second clamping block through the same operation, clamping and fixing of the pipe can be completed, the fixing rod is clamped into or separated from the groove, and therefore fixing and separating of the upper clamp cover and the lower clamp cover can be facilitated, and the problem that bolt fixing and dismounting are laborious is solved;

the fixing device is reasonable in structural design, the fixing tables are close to or far away from each other, the positions of the fixing tables can be adjusted according to the diameters of the pipes, the problem that the lower clamp cover is inconvenient to place at the bottom of the pipes can be solved by erecting the pipes, the fixing rods are clamped into or separated from the grooves, the upper clamp cover and the lower clamp cover can be more conveniently fixed and separated, and the problem that bolts are used for fixing and disassembling are more laborious is solved.

Drawings

FIG. 1 is a schematic view of a left side three-dimensional structure of a special fixture of a pipe hydrostatic testing machine according to the present utility model;

FIG. 2 is a schematic view of the right side three-dimensional structure of a special fixture of a pipe hydrostatic testing machine according to the present utility model;

fig. 3 is a schematic internal perspective view of a first clamping block of a special clamp of a pipe hydrostatic testing machine according to the present utility model;

fig. 4 is a partial enlarged view of a portion a in fig. 3.

In the figure: 1. a U-shaped base; 2. a bidirectional screw; 3. a U-shaped support plate; 4. a guide rod; 5. a fixed table; 6. a motor; 7. a pipe; 8. a clamp body; 9. a universal wheel; 801. a clamp upper cover; 802. a clamp lower cover; 803. a first clamping block; 804. a second clamping block; 805. a screw; 806. a disc; 807. a moving plate; 808. a first stop lever; 809. a first hinge base; 810. a connecting rod; 811. the second hinge seat; 812. a limiting block; 813. a second limit rod; 814. a connecting plate; 815. a slide bar; 816. a fixing plate; 817. and a fixing rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a special fixture for a pipe hydrostatic testing machine, comprising:

the U-shaped base 1, rotate between the both sides inner wall around the U-shaped base 1 and install the bi-directional screw rod 2 that runs through the setting, bi-directional screw rod 2 outside threaded connection has two U-shaped backup pad 3, fixed mounting has guide bar 4 between the both sides inner wall around the U-shaped base 1, two U-shaped backup pad 3 all with guide bar 4 sliding connection, two fixed stations 5 are all fixed mounting at two U-shaped backup pad 3 tops, can drive two U-shaped backup pad 3 with its threaded connection through bi-directional screw rod 2 rotation are close to each other or keep away from under the direction effect of guide bar 4, thereby can drive two fixed stations 5 that are located the front side and two fixed stations 5 that are located the rear side and be close to each other or keep away from each other.

According to the utility model, the motor 6 is fixedly arranged at the rear side of the U-shaped base 1, the rear end of the bidirectional screw rod 2 penetrates through the U-shaped base 1 and is fixedly connected with the output shaft of the motor 6, the universal wheels 9 are fixedly arranged at four corners of the bottom of the U-shaped base 1, the bidirectional screw rod 2 can be driven to rotate through the rotation of the output shaft of the motor 6, and the U-shaped base 1 can be more conveniently moved through the arrangement of the universal wheels 9.

According to the utility model, the same pipe 7 is movably arranged at the top of the four fixing tables 5, the clamp bodies 8 are detachably arranged at the left end and the right end of the pipe 7, the pipe 7 can be supported through the four fixing tables 5, and the pipe 7 can be clamped and fixed through the clamp bodies 8.

In the utility model, the clamp body 8 comprises a clamp upper cover 801 and a clamp lower cover 802, wherein the inner wall of the clamp upper cover 801 is contacted with the upper surface of the pipe 7, and the inner wall of the clamp lower cover 802 is contacted with the lower surface of the pipe 7.

In the utility model, a first clamping block 803 is fixedly arranged on the front side and the rear side of a clamp upper cover 801, a second clamping block 804 is fixedly arranged on the front side and the rear side of a clamp lower cover 802, two first clamping blocks 803 are hollow, the first clamping blocks 803 can be supported through the clamp upper cover 801, and the second clamping blocks 804 can be supported through the clamp lower cover 802.

In the utility model, a screw 805 penetrating through the inner wall of the top of the first clamping block 803 is rotatably installed on the inner wall of the top of the first clamping block 803, the top end of the screw 805 penetrates through the inner wall of the top of the first clamping block 803 and extends to the upper side of the screw 805, a disc 806 is fixedly installed at the top end of the screw 805, the first clamping block 803 can play a supporting role on the screw 805, and the screw 805 can be driven to rotate by rotating the disc 806.

In the utility model, a moving plate 807 is connected to the outer side of a screw 805 in a threaded manner, two first limit rods 808 are fixedly installed on the inner wall of the bottom of a first clamping block 803, the two first limit rods 808 penetrate through the moving plate 807 and are connected with the moving plate 807 in a sliding manner, a first hinging seat 809 is fixedly installed on the front side of the moving plate 807, a connecting rod 810 is hinged to the first hinging seat 809, a second hinging seat 811 is hinged to the other end of the connecting rod 810, and the moving plate 807 connected with the screw is driven to move under the action of the first limit rods 808 through rotation of the screw 805 and can drive the first hinging seat 809 to move.

According to the utility model, a limiting block 812 is fixedly arranged at the bottom of a second hinge seat 811, a second limiting rod 813 is fixedly arranged on the inner wall of the front side of a first clamping block 803, the second limiting rod 813 penetrates through the limiting block 812 and is in sliding connection with the limiting block, a connecting plate 814 is fixedly arranged at the front side of the second hinge seat, a sliding rod 815 is fixedly arranged at the front side of the connecting plate 814, the front end of the sliding rod 815 penetrates through the first clamping block 803, a fixing plate 816 is fixedly arranged at the front end of the sliding rod 815, a fixing rod 817 is fixedly arranged at the rear side of the fixing plate 816, a groove is formed in the front side of the second clamping block 804, the fixing rod 817 is in sliding connection with the groove, and the limiting block 812 can be limited through the second limiting rod 813, so that the limiting block 812 is prevented from deviating in the moving process.

In the utility model, when the device is used, the U-shaped base 1 is moved to a test position through the universal wheel 9, then the motor 6 is started, the output shaft of the motor 6 rotates to drive the bidirectional screw rod 2 to rotate, the bidirectional screw rod 2 rotates to drive the two U-shaped support plates 3 in threaded connection with the bidirectional screw rod 2 to mutually approach or separate under the guiding action of the guide rod 4, so that the two fixing tables 5 positioned at the front side and the two fixing tables 5 positioned at the rear side can be driven to mutually approach or separate, the position of the fixing tables 5 can be adjusted according to the diameter of the pipe 7, after the adjustment is finished, the pipe 7 is placed on the top of the fixing tables 5, then the upper clamp cover 801 and the lower clamp cover 802 are sleeved at the left end and the right end of the pipe 7, then the disc 806 is rotated to drive the screw rod 805 to rotate, the moving plate 807 in threaded connection with the screw rod 805 is driven to move upwards under the action of the first limiting rod 808, and the first hinging seat 809 is driven to move upwards under the action of the connecting rod 810, so that the second hinging seat 811 can be driven to move accordingly, the fixing plate 816 is also moved under the action of the connecting rod 810, the fixing plate is clamped into the second groove 803, and the second groove 804 is clamped, and the other parts can be clamped, and the pipe is clamped by the second groove 804, and the other parts can be clamped, and the pipe is clamped by the pipe 7. The above description is merely an embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present utility model, and it is intended to cover the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A special fixture of tubular product hydrostatic testing machine, characterized by comprising:

the novel U-shaped base comprises a U-shaped base body (1), wherein a bidirectional screw rod (2) penetrating through the U-shaped base body is rotatably arranged between the inner walls of the front side and the rear side of the U-shaped base body (1), two U-shaped support plates (3) are connected with the outer side of the bidirectional screw rod (2) in a threaded mode, guide rods (4) are fixedly arranged between the inner walls of the front side and the rear side of the U-shaped base body (1), the two U-shaped support plates (3) are all in sliding connection with the guide rods (4), and two fixing tables (5) are fixedly arranged at the tops of the two U-shaped support plates (3).

2. The special fixture of tubular product hydrostatic testing machine according to claim 1, characterized in that, U-shaped base (1) rear side fixed mounting has motor (6), bi-directional screw rod (2) rear end runs through U-shaped base (1) to with motor (6) output shaft fixed connection, U-shaped base (1) bottom four corners all fixed mounting has universal wheel (9).

3. The special fixture of tubular product hydrostatic testing machine according to claim 1, wherein, four fixed stations (5) top activity has placed same tubular product (7), both ends are all detachable to install anchor clamps body (8) about tubular product (7).

4. A special fixture for a pipe hydrostatic testing machine according to claim 3, wherein the fixture body (8) comprises a fixture upper cover (801) and a fixture lower cover (802), the inner wall of the fixture upper cover (801) is in contact with the upper surface of the pipe (7), and the inner wall of the fixture lower cover (802) is in contact with the lower surface of the pipe (7).

5. The special fixture of a pipe hydrostatic testing machine according to claim 4, wherein the front side and the rear side of the upper fixture cover (801) are fixedly provided with first clamping blocks (803), the front side and the rear side of the lower fixture cover (802) are fixedly provided with second clamping blocks (804), and the two first clamping blocks (803) are hollow.

6. The special fixture of tubular product hydrostatic testing machine according to claim 5, wherein a screw rod (805) penetrating through the first clamping block (803) is rotatably installed on the inner wall of the top of the first clamping block (803), the top end of the screw rod (805) penetrates through the inner wall of the top of the first clamping block (803) and extends to the upper side of the screw rod, and a disc (806) is fixedly installed on the top end of the screw rod (805).

7. The special fixture of tubular product hydrostatic testing machine according to claim 6, wherein, screw rod (805) outside threaded connection has movable plate (807), two first gag lever posts (808) are fixed mounting on the inner wall of first grip block (803) bottom, and two first gag lever posts (808) all run through movable plate (807) to with its sliding connection, movable plate (807) front side fixed mounting has first articulated seat (809), articulated on first articulated seat (809) have connecting rod (810), the other end of connecting rod (810) articulates there is second articulated seat (811).

8. The special fixture of tubular product hydrostatic testing machine according to claim 7, wherein stopper (812) is fixedly installed to second articulated seat (811) bottom, fixedly installed second gag lever post (813) on the inner wall of first grip block (803) front side, second gag lever post (813) run through stopper (812) to with its sliding connection, second articulated seat front side fixedly installed connecting plate (814), connecting plate (814) front side fixedly installed slide bar (815), slide bar (815) front end runs through first grip block (803), slide bar (815) front end fixed mounting has fixed plate (816), fixed plate (816) rear side fixed mounting has dead lever (817), second grip block (804) front side is seted up flutedly, dead lever (817) and flutedly sliding connection.