CN217766018U

CN217766018U - Clamp for testing bonding strength of lining pipe

Info

Publication number: CN217766018U
Application number: CN202221141301.2U
Authority: CN
Inventors: 陈江慧
Original assignee: Linhai Weixing New Building Materials Co Ltd
Current assignee: Linhai Weixing New Building Materials Co Ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-11-08
Anticipated expiration: 2032-05-13

Abstract

The utility model discloses a lined pipe anchor clamps for bonding strength test, including lower sliding block seat, go up the sliding block seat, the excircle slider, hole slider and knob plunger, the relative internal surface of sliding block seat and last sliding block seat is provided with the T style of calligraphy slot that runs through the center down, excircle slider and hole slider are L type structure setting, the excircle slider includes first T type bottom plate and excircle riser, the hole slider includes second T type bottom plate and hole riser, first T type bottom plate and second T type bottom plate set up respectively in the T style of calligraphy slot of sliding block seat and last sliding block seat down, and fix through the knob plunger, the lined pipe setting in the awaiting measuring is between sliding block seat and last sliding block seat down, the outside steel pipe of lined pipe in the excircle riser alignment awaiting measuring, the inside plastic tubing of the lined pipe in the hole riser alignment awaiting measuring. The utility model discloses the structure is succinct, and convenient operation not only can realize the general one set of anchor clamps of bushing pipe in multiple specification and dimension, and can realize tentatively fixing a position, and the precision is higher, is suitable for popularization and application.

Description

Clamp for testing bonding strength of lining pipe

Technical Field

The utility model belongs to the technical field of interior bushing pipe performance detects, concretely relates to anchor clamps are used in interior bushing pipe bonding strength test.

Background

In the field of petroleum and natural gas, because a conveying medium has strong corrosivity, a common metal pipeline is corroded and perforated seriously after being used for several years. The petroleum delivery pipe adopting polyethylene as the steel pipe lining can well avoid the petroleum leakage problem caused by the corrosion of the steel pipe, the service life is greatly prolonged, and the economic benefit is huge. The bonding strength of the lining pipe is a key of the service life of the lining pipe, and needs to be detected, and due to the special structure of the lining pipe, a special clamp is still lacked to detect the bonding strength, so that a clamp special for the lining pipe needs to be designed urgently to detect and evaluate the bonding strength.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem condition, the utility model provides a lined pipe joint strength test is with anchor clamps conveniently carries out the centre gripping and carries out the detection of lined pipe joint strength through external equipment to the lined pipe.

In order to realize the purpose, the utility model discloses the technical scheme who takes does:

the utility model provides a lined pipe is anchor clamps for bonding strength test, including lower sliding block seat, the upper sliding block seat, the excircle slider, hole slider and knob plunger, the relative internal surface of sliding block seat and upper sliding block seat is provided with the T style of calligraphy slot that runs through the center down, excircle slider and hole slider are L type structure setting, the excircle slider includes first T type bottom plate and excircle riser, the hole slider includes second T type bottom plate and hole riser, first T type bottom plate and second T type bottom plate set up respectively in the T style of calligraphy slot of sliding block seat and upper sliding block seat down, and fix through the knob plunger, the lined pipe setting of awaiting measuring is between lower sliding block seat and upper sliding block seat, the outside steel pipe of lined pipe is aimed at to await measuring to the excircle riser, the inside plastic tubing of lined pipe is aimed at to await measuring to the hole riser.

Further, excircle riser and hole riser are the arc setting, and the radian corresponds with the radian of the interior bushing pipe that awaits measuring.

Furthermore, one side of the end part of the outer circle vertical plate, which is far away from the first T-shaped bottom plate, is provided with a first shoulder, and one side of the end part of the inner hole vertical plate, which is close to the second T-shaped bottom plate, is provided with a second shoulder.

Further, the thickness of the first shoulder is matched with that of the outer steel pipe, and the thickness of the second shoulder is matched with that of the inner plastic pipe; the first T-shaped bottom plate and the second T-shaped bottom plate correspond to the T-shaped grooves in structure and size.

Furthermore, threaded holes are formed in the first T-shaped bottom plate and the second T-shaped bottom plate, round holes are formed in the bottoms of the T-shaped grooves, and the knob plunger penetrates through the threaded holes to be connected with the round holes.

Furthermore, circular dimension lines are further arranged on the opposite inner surfaces of the lower sliding block seat and the upper sliding block seat, and the device is suitable for testing lining pipes of different specifications.

Furthermore, the number of the excircle sliding blocks and the number of the inner hole sliding blocks are 6, and the excircle sliding blocks and the inner hole sliding blocks are respectively and uniformly distributed on the same circumference of the lower sliding block seat and the upper sliding block seat.

Furthermore, the lower sliding block seat and the upper sliding block seat have the same structure, are circularly arranged, and are arranged in a staggered manner.

Compared with the prior art, the utility model discloses technical scheme has following beneficial effect:

(1) The lower sliding block seat and the upper sliding block seat are respectively connected with the outer circle sliding block and the inner hole sliding block in a matched manner, and the circular bead structure of the sliding block can conveniently clamp the steel pipe and the plastic pipe of the lining pipe to be tested;

(2) Circular dimension lines are arranged on the lower sliding block seat and the upper sliding block seat, so that the test device can be suitable for testing lining pipes with different specifications;

(3) The utility model discloses the structure is succinct, and convenient operation not only can realize the general one set of anchor clamps of bushing pipe in multiple specification and dimension, and can realize tentatively fixing a position, and the precision is higher, is suitable for popularization and application.

Drawings

FIG. 1 is a schematic view of the overall structure of the clamp of the present invention;

fig. 2 is a cross-sectional view of the clamp of the present invention;

FIG. 3 is a schematic view of the lower slider seat structure of the clamp of the present invention;

FIG. 4 is a schematic view of the structure of the outer circular slider of the clamp of the present invention;

FIG. 5 is a schematic view of the inner hole slider structure of the clamp of the present invention;

in the figure: 1. a lower slider seat; 2. an upper slide block seat; 3. an excircle slide block; 31. a first T-shaped bottom plate; 32. an excircle vertical plate; 33. a first shoulder; 4. an inner hole slide block; 41. a second T-shaped bottom plate; 42. an inner hole vertical plate; 43. a second shoulder; 5. a knob plunger; 6. a T-shaped groove; 7. a lining pipe to be tested; 71. an outer steel tube; 72. an inner plastic tube; 8. a threaded hole; 9. a circular hole; 10. a circular dimension line.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-5, a clamp for testing the bonding strength of a lining pipe comprises a lower slider seat 1, an upper slider seat 2, an outer circular slider 3, an inner hole slider 4 and a knob plunger 5, wherein the lower slider seat 1 and the upper slider seat 2 have the same structure and are circularly arranged, 3T-shaped grooves 6 penetrating through the center are formed in the opposite inner surfaces of the lower slider seat 1 and the upper slider seat 2, so that the outer circular slider 3 and the inner hole slider 4 can conveniently slide on the grooves and cannot fall off. The relative internal surface at lower slider seat 1 and upper slider seat 2 still is provided with circular dimension line 10 to when the interior bushing pipe test of adaptation different specifications, realize swift installation. The bottom of the T-shaped groove 6 is provided with a plurality of round holes 9, and the sliding block is accurately positioned by matching with the knob plunger 5.

The outer circle sliding block 3 and the inner hole sliding block 4 are arranged in an L-shaped structure and slide in the T-shaped grooves 6 of the lower sliding block seat 1 and the upper sliding block seat 2, so that the transformation of different sizes is realized. Excircle slider 3 includes first T type bottom plate 31 and excircle riser 32, hole slider 4 includes second T type bottom plate 41 and hole riser 42, first T type bottom plate 31 and second T type bottom plate 41 set up respectively in slider seat 1 and the T style of calligraphy slot 6 of last slider seat 2 down, and fix through knob plunger 5, bushing pipe 7 sets up under between slider seat 1 and last slider seat 2 in awaiting measuring, outside steel pipe 71 of bushing pipe 7 in awaiting measuring is aimed at to excircle riser 32, inside plastic tubing 72 of bushing pipe 7 in awaiting measuring is aimed at to hole riser 42.

The outer circle vertical plate 32 and the inner hole vertical plate 42 are arranged in an arc shape, and the radian corresponds to that of the to-be-detected lining pipe 7. A first shoulder 33 is arranged on one side, away from the first T-shaped bottom plate 31, of the end portion of the outer circular vertical plate 32, and a second shoulder 43 is arranged on one side, close to the second T-shaped bottom plate 41, of the end portion of the inner hole vertical plate 42, so that the lining pipe is preliminarily positioned, and clamping is accurate. Preferably, the thickness of the first shoulder 33 matches the thickness of the outer steel tube 71 and the thickness of the second shoulder 43 matches the thickness of the inner plastic tube 72.

The first T-shaped bottom plate 31 and the second T-shaped bottom plate 41 have the structure and the size corresponding to the T-shaped groove 6. The first T-shaped bottom plate 31 and the second T-shaped bottom plate 41 are provided with threaded holes 8,T, the bottoms of the I-shaped grooves 6 are provided with round holes 9, and the knob plunger 5 penetrates through the threaded holes 8 to be connected with the round holes 9.

In this embodiment, the number of the outer circular sliding blocks 3 and the number of the inner hole sliding blocks 4 are 6, and the outer circular sliding blocks and the inner hole sliding blocks are respectively and uniformly distributed on the same circumference of the lower sliding block seat 1 and the upper sliding block seat 2.

When prepositioning, the utility model discloses a T style of calligraphy slot 6 of lower sliding block seat 1 and upper sliding block seat 2 is the dislocation set, prevents when the test, and upper and lower knob plunger 5 produces the interference.

The utility model discloses an anchor clamps are when using, according to the size of bushing pipe 7 in awaiting measuring, taut knob plunger 5 removes excircle slider 3 and hole slider 4 to suitable size, puts down knob plunger 5 and makes it insert between T style of calligraphy slot 6's round hole 9, has accomplished the size adjustment of anchor clamps promptly. Then the lining pipe 7 to be tested is placed on the first shoulder 33 and the second shoulder 43 of the outer circle sliding block 3 and the inner hole sliding block 4, then the pressurization is carried out through a universal testing machine, the inner plastic pipe 72 is extruded out of the outer steel pipe 71 through a clamp, and the testing of the bonding strength of the lining pipe is completed.

Through the fixture, not only can one fixture universal for the lining pipes in various specifications and sizes be realized, but also the preliminary positioning can be realized, and the precision is higher.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a lined pipe bonding strength test anchor clamps, a serial communication port, including lower sliding block seat (1), upper sliding block seat (2), excircle slider (3), hole slider (4) and knob plunger (5), the relative internal surface of sliding block seat (1) and upper sliding block seat (2) is provided with T style of calligraphy slot (6) that run through the center down, excircle slider (3) and hole slider (4) are the setting of L type structure, excircle slider (3) are including first T type bottom plate (31) and excircle riser (32), hole slider (4) are including second T type bottom plate (41) and hole riser (42), first T type bottom plate (31) and second T type bottom plate (41) set up respectively under between sliding block seat (1) and upper sliding block seat (2) T style of calligraphy slot (6), and fix through knob plunger (5), lined pipe (7) in the awaiting measuring sets up under between sliding block seat (1) and upper sliding block seat (2), riser (32) aim at the outside steel pipe (71) in the inside of awaiting measuring (7), the inside steel pipe (72) that awaits measuring.

2. The clamp for testing the bonding strength of the lining pipe according to claim 1, wherein the outer circular vertical plate (32) and the inner hole vertical plate (42) are arranged in an arc shape, and the radian corresponds to that of the lining pipe (7) to be tested.

3. The clamp for testing the bonding strength of the lining pipe according to claim 2, wherein a first shoulder (33) is arranged on one side of the end portion of the outer circular vertical plate (32) far away from the first T-shaped bottom plate (31), and a second shoulder (43) is arranged on one side of the end portion of the inner hole vertical plate (42) near the second T-shaped bottom plate (41).

4. The clamp for testing the bonding strength of the lining pipe as claimed in claim 3, wherein the thickness of the first shoulder (33) matches the thickness of the outer steel pipe (71), and the thickness of the second shoulder (43) matches the thickness of the inner plastic pipe (72).

5. The clamp for testing the bonding strength of the lining pipe as claimed in claim 1, wherein the first T-shaped bottom plate (31) and the second T-shaped bottom plate (41) have a structure and a size corresponding to the T-shaped groove (6).

6. The clamp for testing the bonding strength of the lining pipe according to claim 5, wherein the first T-shaped bottom plate (31) and the second T-shaped bottom plate (41) are provided with threaded holes (8), the bottom of the T-shaped groove (6) is provided with a round hole (9), and the knob plunger (5) penetrates through the threaded holes (8) to be connected with the round hole (9).

7. The clamp for testing the bonding strength of the lining pipe as claimed in claim 1, wherein the opposite inner surfaces of the lower slider seat (1) and the upper slider seat (2) are further provided with round dimension lines (10) to adapt to the testing of lining pipes with different specifications.

8. The clamp for testing the bonding strength of the lining pipe according to claim 1, wherein the number of the outer circular sliding blocks (3) and the number of the inner hole sliding blocks (4) are 6 and are respectively and uniformly distributed on the same circumference of the lower sliding block seat (1) and the upper sliding block seat (2).

9. The clamp for testing the bonding strength of the lining pipe according to claim 1, wherein the lower slider seat (1) and the upper slider seat (2) have the same structure and are arranged in a circular shape.

10. The clamp for testing the bonding strength of the lining pipe according to claim 9, wherein the T-shaped grooves of the lower slider seat (1) and the upper slider seat (2) are arranged in a staggered manner.