CN215812341U - Measuring device for peel strength resistance of composite lining material - Google Patents

Abstract

The utility model discloses a device for measuring the anti-peeling strength of a composite lining material, which belongs to the technical field of peeling strength, and comprises a base, wherein the bottom of the base is fixedly connected with a supporting leg, the top of the base is provided with a first chute, two ends of the inner side of the first chute are rotatably connected with a threaded rod, the outer side of the threaded rod is in threaded connection with two first sliding blocks which are symmetrically distributed, a flexible composite lining is placed on the top of a first pressing block, a rotating wheel is rotated to insert a water inlet pipe into the inner side of a through hole, a water outlet of a water pump is connected to the top of the water inlet pipe, under the cooperation of a water leakage hole, a space formed by the flexible composite lining and a groove is communicated with the atmosphere, so that the air pressure in the space is equal to the atmospheric pressure, the water pressure in the water inlet pipe is gradually increased until a certain position on the upper surface of the flexible composite lining and the first pressing block is peeled off by water pressure, and the first-level test pressure value is the limit value of the anti-external water pressure of the flexible composite lining, the device is simple in structure, convenient to operate and convenient to test.

Description

Measuring device for peel strength resistance of composite lining material

Technical Field

The utility model relates to the technical field of peel strength, in particular to a device for measuring the peel strength of a composite lining material.

Background

The number of small reservoirs to be reinforced in the water conservancy industry in China is huge, most of the reservoirs are built in the water conservancy handling period of the fifth, sixth and tenth decades in the last century, and due to historical reasons, under-dam culvert pipes generally have various problems and defects, currently, the reinforcing methods generally adopted for the under-dam culvert pipes mainly comprise local maintenance and reinforcement, dam body excavation, culvert pipe dismantling and reconstruction, steel pipe lining and reinforcement, and the like, but the application finds that the dam body excavation and reconstruction cost is high, the construction period is long, the dam body flood crossing problem is prominent, a dam body backfilled after excavation and an original dam body stabilized by multi-year settlement are not easy to be well combined, new dam body cracks are easily caused by uneven settlement, the steel pipe lining and reinforcement are required to be smaller than the inner diameter of the original culvert pipe by 5-10 cm or more, the diameter of the steel pipe is reduced too much, in addition, gaps between the steel pipes and the original culvert pipes need grouting treatment, but grouting quality is not easy to be dense, the culvert pipes are long, particularly, a steel pipe lining method is applied to bent or non-circular pipelines, and in order to overcome the defects, in recent years, a water conservancy system introduces a non-excavation pipeline in-situ repair technology called a hose turning lining method or a dragging method, which is widely applied to the industries such as petroleum, chemical engineering, natural gas, municipal administration and the like, into the culvert pipes under the dam for reinforcement.

The utility model patent of a composite lining peel strength resistance measuring device (patent number 201010214055.4) provides an in-situ test method for the external water pressure resistance of a composite lining of a culvert pipe under a dam, which is also a destructive test method, and the experimental part of the dam body drilling and the pipe wall needs to be repaired after the experiment. When no drilling and grouting equipment is arranged on a construction site, the drilling and grouting equipment is required to be specially transported, the test cost is high, and the test time is long. In addition, when the diameter of the culvert pipe is small, when test preparation is carried out on the inner wall of the culvert pipe and repair operation is carried out on a test area after the test, personnel cannot enter the culvert pipe easily or cannot enter the culvert pipe, an industrial robot is needed, operation is difficult or cannot be carried out, and the difficulty in carrying out the test is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a device for measuring the peel strength of a composite lining material, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a device for measuring the anti-peeling strength of a composite lining material comprises a base, wherein the bottom of the base is fixedly connected with a supporting leg, the top of the base is provided with a first chute, two ends of the inner side of the first chute are rotatably connected with a threaded rod, the outer side of the threaded rod is in threaded connection with two first sliding blocks which are symmetrically distributed, the two first sliding blocks are both in sliding connection with the inner side of the first chute, the tops of the two first sliding blocks are both fixedly connected with a fixed block, the right side of the base is rotatably connected with a fixed rod, the right end of the fixed rod is fixedly connected with a rotating wheel, the top of the base is fixedly connected with two upright columns which are symmetrically distributed, the two upright columns are both internally provided with second chutes, the inner sides of the two second chutes are both in sliding connection with second sliding blocks, opposite sides of the two second sliding blocks are both fixedly connected with a pressing plate, and opposite sides of the two second sliding blocks are both rotatably connected with a connecting rod, one ends of the two connecting rods, which are far away from the second sliding block, are respectively rotatably connected with the tops of the two fixed blocks, the tops of the two bases, which are positioned between the two upright posts, are fixedly connected with a first pressing block, the center of the top of the first pressing block is provided with a groove, the left bottom end and the right bottom end of the groove of the first pressing block are respectively provided with a water leakage hole, the top of the first pressing block is provided with a flexible composite lining, the top of the flexible composite lining is provided with a second pressing block, the center of the top of the second pressing block is provided with a through hole, the inner side of the through hole is inserted with a water inlet pipe, the top of the second pressing block, which is positioned outside the water inlet pipe, is respectively provided with a first sealing ring and a second sealing ring, the opposite sides of the first sealing ring and the second sealing ring are respectively and fixedly connected with a first sealing ring gasket, the opposite sides of the two first sealing ring gaskets are respectively attached to the outer wall of the water inlet pipe, and the right sides of the first sealing rings are provided with two clamping grooves which are symmetrically distributed, two clamping blocks that are the symmetric distribution of second sealing ring left side fixedly connected with, two the clamping block respectively with the inboard joint of two draw-in grooves, the equal fixedly connected with second seal ring pad in first sealing ring and second sealing ring bottom, two the laminating of second seal ring pad bottom all with second briquetting top, first sealing ring and the equal fixedly connected with stationary blade in second sealing ring looks separation side.

Preferably, the supporting legs are provided with two groups, each group is two, and the two groups are respectively and symmetrically distributed at the bottom of the base.

Preferably, the two first sliding blocks are matched with the first sliding grooves, and the cross sections of the two first sliding blocks are of T-shaped structures.

Preferably, the threaded rod is assembled by two screws, the screw directions of the two screws are opposite, and the two screws are respectively matched with the two first sliding blocks.

Preferably, the second sliding block is matched with the second sliding groove, and the section of the second sliding block is of a cross structure.

Preferably, the first sealing ring and the second sealing ring are of two semicircular structures with equal radiuses.

Preferably, the clamping groove is matched with the clamping block.

Preferably, first threaded through holes are formed in the right end of the top of the first sealing ring and the top of the clamping block, and first screws are connected to the inner side of the first threaded through holes in a threaded mode.

Preferably, two the stationary blade top and second briquetting top are located the inlet tube both sides and have all seted up the second screw through-hole, and the inboard threaded connection of second screw through-hole has the second screw.

Compared with the prior art, the utility model has the beneficial effects that: the user places the flexible composite lining on the top of the first pressing block, the flexible composite lining and the groove form a closable space, then places the second pressing block on the top of the flexible composite lining, rotates the rotating wheel, thereby driving the fixed rod to rotate, thereby driving the threaded rod to rotate, under the cooperation of the two screws with opposite screw directions, thereby enabling the two first sliding blocks to slide oppositely or reversely in the first sliding groove, thereby driving the two connecting rods to rotate on the top of the first sliding block, thereby driving the two second sliding blocks to slide up and down in the two second sliding grooves respectively, thereby driving the two pressing plates to move up and down, thereby enabling the two pressing plates to extrude the second pressing block, thereby enabling the second pressing block to compress the flexible composite lining, then inserting the water inlet pipe into the through hole, and splicing the first sealing ring and the second sealing ring outside the water inlet pipe in a clamping manner, thereby make the fixture block joint inboard at the draw-in groove, insert first screw inboard to first screw thread through-hole, rotate first screw, thereby carry out spacing fixed with the fixture block, make first sealing ring and second sealing ring piece together, insert the second screw inboard to second screw thread through-hole again, rotate the second screw, thereby carry out spacing fixed to the stationary blade, thereby make first sealing ring and second sealing ring fixed mounting at second briquetting top, receive the inlet tube top again with the delivery port of water pump, thereby make external water will get into the inlet tube and contact with flexible composite lining top, under the cooperation of the hole that leaks, the space that flexible composite lining and recess formed will communicate with the atmosphere, thereby make atmospheric pressure and atmospheric pressure in this space equal, improve the water pressure in the inlet tube gradually, until flexible composite lining and certain department of first briquetting upper surface are peeled off by the water pressure, this one-level test pressure value is exactly the anti outer water pressure limit value of flexible composite lining, and this device simple structure facilitates the use, and the simple operation conveniently tests, saves the labour, has improved efficiency greatly, offers convenience for the staff.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at the position A of the present invention;

FIG. 3 is a top view of the junction of the first seal ring and the second seal ring of the present invention;

FIG. 4 is a schematic structural view of a joint between a first seal ring and a second seal ring according to the present invention.

In the figure: 1. a base; 2. supporting legs; 3. a threaded rod; 4. a first slider; 5. a column; 6. a rotating wheel; 7. fixing the rod; 8. a first chute; 9. a fixed block; 10. a connecting rod; 11. a first pressing block; 12. a water leakage hole; 13. a groove; 14. a flexible composite liner; 15. a second pressing block; 16. a second chute; 17. a second slider; 18. pressing a plate; 19. a water inlet pipe; 20. a through hole; 21. a fixing sheet; 22. a first seal ring; 23. a first seal ring gasket; 24. a second seal ring gasket; 25. a second seal ring; 26. a card slot; 27. and (7) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a device for measuring the anti-peeling strength of a composite lining material comprises a base 1, wherein the bottom of the base 1 is fixedly connected with a supporting leg 2, the top of the base 1 is provided with a first chute 8, two ends of the inner side of the first chute 8 are rotatably connected with a threaded rod 3, the outer side of the threaded rod 3 is in threaded connection with two first sliding blocks 4 which are symmetrically distributed, the two first sliding blocks 4 are both in sliding connection with the inner side of the first chute 8, the top of the two first sliding blocks 4 are both fixedly connected with a fixed block 9, the right side of the base 1 is rotatably connected with a fixed rod 7, the right end of the fixed rod 7 is fixedly connected with a rotating wheel 6, the top of the base 1 is fixedly connected with two upright posts 5 which are symmetrically distributed, the inner parts of the two upright posts 5 are both provided with second chutes 16, the inner sides of the two second chutes 16 are both in sliding connection with second sliding blocks 17, and opposite sides of the two second sliding blocks 17 are both fixedly connected with a pressing plate 18, the two second sliding blocks 17 are rotatably connected with connecting rods 10 on the opposite sides, one ends of the two connecting rods 10 far away from the second sliding blocks 17 are respectively rotatably connected with the tops of two fixing blocks 9, the tops of the two bases 1 are positioned between the two upright columns 5 and fixedly connected with first pressing blocks 11, the centers of the tops of the first pressing blocks 11 are provided with grooves 13, the bottoms of the left sides and the right sides of the grooves 13 of the first pressing blocks 11 are respectively provided with water leakage holes 12, the top of the first pressing block 11 is provided with a flexible composite lining 14, the top of the flexible composite lining 14 is provided with a second pressing block 15, the center of the top of the second pressing block 15 is provided with a through hole 20, the inner side of the through hole 20 is inserted with a water inlet pipe 19, the tops of the second pressing blocks 15 are positioned on the outer side of the water inlet pipe 19 and respectively provided with a first sealing ring 22 and a second sealing ring 25, and the opposite sides of the first sealing ring 22 and the second sealing ring 25 are respectively and fixedly connected with a first sealing ring gasket 23, two 23 opposite sides of first sealing ring pad are all laminated with 19 outer walls of inlet tube, two draw-in grooves 26 that are the symmetric distribution are seted up on first sealing ring 22 right side, two fixture blocks 27 that are the symmetric distribution of two fixedly connected with in second sealing ring 25 left side, two fixture block 27 respectively with the inboard joint of two draw-in grooves 26, the equal fixedly connected with second sealing ring pad 24 in first sealing ring 22 and second sealing ring 25 bottom, two the laminating of second sealing ring pad 24 bottom all with 15 tops of second briquetting, first sealing ring 22 and second sealing ring 25 leave the equal fixedly connected with stationary blade 21 in side mutually.

Referring to fig. 1, two groups of support legs 2 are provided, each group includes two support legs, and the two support legs are respectively and symmetrically distributed at the bottom of the base 1, so that the fixing effect is better, and the stability of the device is improved;

referring to fig. 1, the two first sliding blocks 4 are both adapted to the first sliding groove 8, the cross sections of the two first sliding blocks 4 are in a T-shaped structure, and the first sliding blocks 4 are in sliding fit with the first sliding groove 8, so that the device is convenient to adjust and use;

referring to fig. 1, the threaded rod 3 is assembled by two screws, the two screws have opposite screw directions, and the two screws are respectively matched with the two first sliding blocks 4, so that the two first sliding blocks 4 can slide close to each other or far away from each other inside the first sliding groove 8 when the threaded rod 3 rotates under the matching of the two screws with opposite screw directions;

referring to fig. 1, the second sliding block 17 is matched with the second sliding groove 16, the cross section of the second sliding block 17 is in a cross structure, and the second sliding block 17 is in sliding fit with the second sliding groove 16, so that the pressing plate 18 can conveniently move up and down;

referring to fig. 3 and 4, the first sealing ring 22 and the second sealing ring 25 are two semicircular structures with equal radius, and the first sealing ring 22 and the second sealing ring 25 are matched in a splicing manner, so that the water inlet pipe 19 and the through hole 20 can be conveniently sealed;

referring to fig. 4, the clamping groove 26 is matched with the clamping block 27, and the clamping block 27 is clamped and matched with the clamping groove 26, so that the first sealing ring 22 and the second sealing ring 25 can be conveniently spliced and matched;

referring to fig. 3 and 4, the right end of the top of the first sealing ring 22 and the top of the clamping block 27 are both provided with a first threaded through hole, and a first screw is connected to the inner side of the first threaded through hole in a threaded manner, so that the clamping block 27 is limited and fixed by the first screw by rotating the first screw in cooperation with the first threaded through hole;

referring to fig. 2, 3 and 4, the top of the two fixing pieces 21 and the top of the second pressing block 15 are provided with second threaded through holes at two sides of the water inlet pipe 19, and the inner side of the second threaded through hole is in threaded connection with a second screw, and the second screw is rotated to be matched with the second threaded through hole, so that the two fixing pieces 21 are fixedly installed at the top of the second pressing block 15;

the working principle is as follows: when the flexible composite lining pressing device is used, a user places the flexible composite lining 14 on the top of the first pressing block 11, at the moment, the flexible composite lining 14 and the groove 13 form a closable space, then places the second pressing block 15 on the top of the flexible composite lining 14, rotates the rotating wheel 6, drives the fixing rod 7 to rotate, thereby driving the threaded rod 3 to rotate, under the matching of the two screws with opposite screw directions, thereby enabling the two first sliding blocks 4 to slide in the first sliding groove 8 in opposite directions or in opposite directions, thereby driving the two connecting rods 10 to rotate on the top of the first sliding block 4, thereby driving the two second sliding blocks 17 to respectively slide in the two second sliding grooves 16 in up and down directions, thereby driving the two pressing plates 18 to move up and down, thereby enabling the two pressing plates 18 to extrude the second pressing block 15, thereby enabling the second pressing block 15 to press the flexible composite lining 14 tightly, and then inserting the water inlet pipe 19 into the through hole 20, the first sealing ring 22 and the second sealing ring 25 are clamped and assembled outside the water inlet pipe 19, so that the clamping block 27 is clamped and assembled inside the clamping groove 26, the first screw is inserted into the first threaded through hole, the first screw is rotated, the clamping block 27 is limited and fixed, the first sealing ring 22 and the second sealing ring 25 are assembled together, the second screw is inserted into the second threaded through hole, the second screw is rotated, the fixing piece 21 is limited and fixed, the first sealing ring 22 and the second sealing ring 25 are fixedly installed at the top of the second pressing block 15, the top of the water inlet pipe 19 is connected with the water outlet of the water pump, so that external water enters the water inlet pipe 19 to be contacted with the top of the flexible composite lining 14, under the matching of the water leakage hole 12, the space formed by the flexible composite lining 14 and the groove 13 is communicated with the atmosphere, so that the air pressure and the atmospheric pressure in the space are equal, improve the water pressure in the inlet tube 19 gradually, peel off to leak until flexible composite lining 14 and first briquetting 11 upper surface somewhere by water pressure, this one-level experimental pressure value is exactly flexible composite lining 14's anti outer water pressure limit value, and this device simple structure facilitates the use, and the simple operation conveniently tests, saves the labour, has improved efficiency greatly, offers convenience for the staff.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 measuring device of compound interior lining material peel strength resistance, includes base (1), its characterized in that: the bottom of the base (1) is fixedly connected with a supporting leg (2), the top of the base (1) is provided with a first chute (8), two ends of the inner side of the first chute (8) are rotatably connected with a threaded rod (3), the outer side of the threaded rod (3) is in threaded connection with two first sliding blocks (4) which are symmetrically distributed, the two first sliding blocks (4) are both in sliding connection with the inner side of the first chute (8), the top of the two first sliding blocks (4) is both fixedly connected with a fixed block (9), the right side of the base (1) is rotatably connected with a fixed rod (7), the right end of the fixed rod (7) is fixedly connected with a runner (6), the top of the base (1) is fixedly connected with two stand columns (5) which are symmetrically distributed, the inside of the two stand columns (5) is both provided with a second chute (16), and the inner side of the two second chute (16) is both in sliding connection with a second sliding block (17), the opposite sides of the two second sliding blocks (17) are fixedly connected with pressing plates (18), the two second sliding blocks (17) are rotatably connected with connecting rods (10) respectively, one ends of the two connecting rods (10) far away from the second sliding blocks (17) are rotatably connected with the tops of the two fixing blocks (9) respectively, the tops of the two bases (1) are positioned between the two upright posts (5) and are fixedly connected with first pressing blocks (11), the center of the top of each first pressing block (11) is provided with a groove (13), the bottoms of the left sides and the right sides of the grooves (13) of the first pressing blocks (11) are provided with water leakage holes (12), the top of each first pressing block (11) is provided with a flexible composite lining (14), the top of each flexible composite lining (14) is provided with a second pressing block (15), the center of the top of each second pressing block (15) is provided with a through hole (20), and the inner sides of the through holes (20) are spliced with water inlet pipes (19), the top of the second pressing block (15) is positioned outside the water inlet pipe (19) and is respectively provided with a first sealing ring (22) and a second sealing ring (25), the opposite sides of the first sealing ring (22) and the second sealing ring (25) are fixedly connected with a first sealing ring gasket (23), the opposite sides of the first sealing ring gaskets (23) are respectively attached to the outer wall of the water inlet pipe (19), the right side of the first sealing ring (22) is provided with two clamping grooves (26) which are symmetrically distributed, the left side of the second sealing ring (25) is fixedly connected with two clamping blocks (27) which are symmetrically distributed, the two clamping blocks (27) are respectively connected with the inner sides of the two clamping grooves (26) in a clamping manner, the bottoms of the first sealing ring (22) and the second sealing ring (25) are respectively and fixedly connected with a second sealing ring gasket (24), and the bottoms of the second sealing ring gaskets (24) are respectively attached to the top of the second pressing block (15), the first sealing ring (22) and the second sealing ring (25) are fixedly connected with fixing pieces (21) on the opposite sides.

2. The device for measuring the peel strength of a composite liner material according to claim 1, wherein: the supporting legs (2) are provided with two groups, each group is two, and the two groups are symmetrically distributed at the bottom of the base (1) respectively.

3. The device for measuring the peel strength of a composite liner material according to claim 1, wherein: two first slider (4) all with first spout (8) looks adaptation, and two first slider (4) cross-sections are T type structure.

4. The device for measuring the peel strength of a composite liner material according to claim 1, wherein: the threaded rod (3) is assembled by two screws, the screw directions of the two screws are opposite, and the two screws are respectively matched with the two first sliding blocks (4).

5. The device for measuring the peel strength of a composite liner material according to claim 1, wherein: the second sliding block (17) is matched with the second sliding groove (16), and the section of the second sliding block (17) is of a cross structure.

6. The device for measuring the peel strength of a composite liner material according to claim 1, wherein: the first sealing ring (22) and the second sealing ring (25) are of two semicircular structures with equal radiuses.

7. The device for measuring the peel strength of a composite liner material according to claim 1, wherein: the clamping groove (26) is matched with the clamping block (27).

8. The device for measuring the peel strength of a composite liner material according to claim 1, wherein: first screw thread through-hole has all been seted up at first sealing ring (22) top right-hand member and fixture block (27) top, and the inboard threaded connection of first screw thread through-hole has first screw.

9. The device for measuring the peel strength of a composite liner material according to claim 1, wherein: two the stationary blade (21) top and second briquetting (15) top are located inlet tube (19) both sides and have all seted up the second screw through-hole, and the inboard threaded connection of second screw through-hole has the second screw.

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