CN114088306B - Shield constructs section of jurisdiction seam waterproof performance test device - Google Patents
Shield constructs section of jurisdiction seam waterproof performance test device Download PDFInfo
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- CN114088306B CN114088306B CN202111479929.3A CN202111479929A CN114088306B CN 114088306 B CN114088306 B CN 114088306B CN 202111479929 A CN202111479929 A CN 202111479929A CN 114088306 B CN114088306 B CN 114088306B
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- fixedly connected
- fixed connection
- annular cover
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
- G01M3/22—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/222—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for tubes
Abstract
The invention discloses a test device for testing waterproof performance of a shield segment joint, which comprises a test platform, wherein one side of the test platform is fixedly connected with a vertical plate, the vertical plate is provided with a mounting hole, a shield pipeline is fixedly connected in the mounting hole, one side of the vertical plate is fixedly connected with a transverse air cylinder, the end of a telescopic rod of the transverse air cylinder is fixedly connected with an annular cover, one side of the annular cover is fixedly connected with a water supply pipe, the water supply pipe is fixedly connected with a water hose, the test platform is fixedly connected with a support, the support is fixedly connected with a pressurizing air cylinder at intervals, the end of the telescopic rod of the pressurizing air cylinder is fixedly connected with a push plate, test paper is paved in the shield pipeline, an annular groove is formed in the inner cambered surface of the annular cover, a cavity is formed in the inner cambered surface of the annular cover, rubber films are fixedly connected with each other at two ends of the inner cambered surface of the annular cover, and an air charging device is arranged in the cavity and used for protruding the rubber films towards the shield pipeline. According to the invention, the rubber film is retracted and separated from contact with the shield pipeline, so that the annular cover is convenient to move, the testing efficiency is high, and the stability is strong.
Description
Technical Field
The invention relates to the technical field of shield segment performance test, in particular to a shield segment joint waterproof performance test device.
Background
In the prior art, as in the chinese patent with patent application number CN201410304954.1, a high-pressure water supply system is specifically disclosed for providing pressurized water or liquid; the test bed is used for installing a test piece, providing a pressurized water (liquid) action space and realizing simulation of the contact state of the segment joint; and the measuring system is used for setting test working condition parameters and measuring test process data. The high-pressure water supply system is connected with the test bed by adopting a high-pressure-resistant hose; the measuring system is used for connecting various sensors arranged on the test bed with a recorder and a computer through cables for reading.
The device can only test the leakage performance of a local joint, can not simulate the leakage condition generated by the stress of a real shield pipeline, and has certain defects.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a test device for testing the waterproof performance of a shield segment joint, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a shield constructs section of jurisdiction seam waterproof performance test device, includes test platform, test platform one side fixed connection riser, the riser sets up the mounting hole, fixed connection shield pipeline in the mounting hole, riser one side fixed connection horizontal cylinder, the telescopic link end fixed connection annular cover of horizontal cylinder, annular cover one side fixed connection delivery pipe, delivery pipe fixed connection water hose, test platform fixed connection support, support interval fixed connection pressurization cylinder, the telescopic link end fixed connection push pedal of pressurization cylinder, be equipped with pressure sensor in the push pedal, it has test paper to spread in the shield pipeline, the intrados of annular cover is equipped with the ring channel, the inside of annular cover is equipped with the cavity, the equal fixed connection rubber membrane in intrados both ends of annular cover, be equipped with aerating device in the cavity, annular cover and shield pipeline clearance fit set up, aerating device is used for the rubber membrane to shield pipeline department arch.
Preferably, the inflation device comprises a sleeve, the sleeve is fixedly connected to the inner cavity of the annular cover, the piston rod is slidingly connected in the sleeve, one end of the piston rod penetrates through the annular cover and is fixedly connected with the baffle at the end, a supporting spring is fixedly connected between the baffle and the annular cover, one side of the baffle is rotationally connected with a roller, one side of the vertical plate is fixedly connected with a transverse plate, the bottom of the transverse plate is fixedly connected with a plurality of arc-shaped protruding blocks at intervals, the arc-shaped protruding blocks correspond to the joint arrangement of the shield pipeline, and the roller can roll to the surface of the arc-shaped protruding blocks from the surface of the transverse plate.
Preferably, the device that paves still includes the slider, the test platform upside is equipped with the spout, slider sliding connection is in the spout, slider upside fixed connection riser, riser one side fixed connection cylinder, the test paper book has been cup jointed on the cylinder, the riser rotates and connects the ring, the ring is coaxial with the cylinder, ring excircle fixed connection branch, branch end sliding connection loop bar, threaded connection locking screw on the loop bar, the loop bar end rotates and connects the compression roller.
Preferably, the outer circle of the cylinder is fixedly connected with a rubber gasket, and the test paper roll is sleeved on the outer side of the rubber gasket.
Preferably, the inside of the test paper is fixedly connected with an elastic steel sheet.
Preferably, the test paper end is provided with two cutting grooves, the cutting grooves divide the test paper end into two attaching parts and a staggered layer part, and the staggered layer part is positioned between the two attaching parts.
Preferably, the cylinder is fixedly connected with two telescopic links, two telescopic link ends are respectively fixedly connected with a pressing strip, two round bars are fixedly connected between the pressing strips, and the round bars enable the attaching part and the staggered layer part to form dislocation.
Preferably, one side of the vertical plate is fixedly connected with a side plate, the side plate is fixedly connected with a servo motor, a main shaft of the servo motor is fixedly connected with a driving gear, the outer side of the circular ring is fixedly connected with an outer toothed ring, and the driving gear is meshed with the outer toothed ring.
The invention has the advantages that: according to the test device for testing the waterproof performance of the shield segment joint, disclosed by the invention, the water is conveyed and pressurized after the annular cover moves to the position corresponding to the joint, the pressurizing cylinder pressurizes the shield pipeline through the push plate, the stress condition of the shield pipeline buried in a soil layer is simulated, the change of the test paper is observed to test the anti-permeability performance, as the shield pipeline is formed by splicing a plurality of shield segments, the joint is provided with a plurality of joints, when the annular cover moves among different joints, the movement of the annular cover causes abrasion blocking, the rubber film protrudes to the shield pipeline through pressurization so as to play a sealing role, and in the moving process, the inflation device pumps air, so that the rubber film is retracted and separated from contact with the shield pipeline, thereby facilitating the position movement of the annular cover, and having high test efficiency and strong stability.
According to the invention, the other end of the test paper is inserted between the two attaching parts and the staggered layer part, the telescopic rod is shortened, and the elastic force of the elastic steel sheet is matched, so that the two ends of the test paper form staggered occlusion, the test paper is not required to be supported, the test paper is abutted against the inner wall of the shield segment, the test paper has a test effect without being attached, the interference of glue is avoided, and the test is more accurate.
Drawings
FIG. 1 is a schematic view of the basic structure of the present invention;
FIG. 2 is an enlarged view of a portion at E in FIG. 1;
FIG. 3 is an enlarged view of a portion at F in FIG. 1;
FIG. 4 is a schematic view of the basic structure of the paving apparatus of the present invention;
FIG. 5 is an enlarged view of a portion at H in FIG. 4;
FIG. 6 is a schematic cross-sectional view of a test paper roll of the present invention;
FIG. 7 is a schematic view of the structure of the annular shield of the present invention;
fig. 8 is a partial enlarged view at M in fig. 7.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
1-8, the test device for testing the waterproof performance of the joint of the shield segment provided by the invention comprises a test platform 1, wherein one side of the test platform 1 is fixedly connected with a vertical plate 11, the vertical plate 11 is provided with a mounting hole, a shield pipe 12 is fixedly connected in the mounting hole, the shield pipe 12 is formed by anchoring the shield segment according to actual construction and is used for testing the seepage performance of the joint of the segment, one side of the vertical plate 11 is fixedly connected with a transverse cylinder 13, the end of a telescopic rod of the transverse cylinder 13 is fixedly connected with an annular cover 2, one side of the annular cover 2 is fixedly connected with a water supply pipe 21, the water supply pipe 21 is fixedly connected with a water hose 22, the test platform 1 is fixedly connected with a support 14, the support 14 is fixedly connected with a pressurizing cylinder 15 at intervals, the end of the telescopic rod of the pressurizing cylinder 15 is fixedly connected with a push plate 16, a pressure sensor is arranged on the push plate 16 and is used for detecting the loaded pressure, a component contained in the shield pipe segment 451 is paved in the shield pipe 12, the test paper 451 and test water used for testing the component contained in the shield pipe segment is anchored, an inner cambered surface of the annular cover 2 is provided with an annular groove 23, the inner cambered surface of the annular cover 2 is fixedly connected with a cambered surface 24, the annular cover 2, the inner cambered surface of the annular cover 2 is fixedly connected with a pressurizing film 25, the inner cambered surface 2 is fixedly connected with a water supply pipe 21, and the two ends of the annular cover 2 are fixedly connected with a rubber film 25, and the sealing film 3 is fixedly connected with the sealing film 3 and the sealing device is matched with the sealing device for sealing film 3; the annular cover 2 is pressurized by water delivery after moving the position of the inverted corresponding joint, the pressurizing cylinder 15 pressurizes the shield pipeline 12 through the push plate 16, the stress condition of the shield pipeline 12 buried in the soil layer is simulated, the change of the test paper 451 is observed to test the impermeability, because the shield pipeline 12 is formed by splicing a plurality of shield segments, a plurality of joints are formed, when moving among different joints, the movement of the annular cover 2 causes abrasion blocking, the rubber film 25 protrudes towards the shield pipeline 12 through pressurization so as to play a sealing role, in the moving process, the air charging device 3 is used for exhausting, the rubber film 25 is retracted and is separated from contact with the shield pipeline 12, thereby the position of the annular cover 2 is convenient to move, the testing efficiency is high, and the stability is strong.
The inflating device 3 comprises a sleeve 31, the sleeve 31 is fixedly connected to the inner cavity of the annular cover 2, a piston rod 32 is connected in a sliding manner in the sleeve 31, one end of the piston rod 32 penetrates through the annular cover 2 and is fixedly connected with a baffle 33 at the end, a supporting spring 34 is fixedly connected between the baffle 33 and the annular cover 2, one side of the baffle 33 is rotationally connected with a roller 35, one side of a vertical plate 11 is fixedly connected with a transverse plate 36, the bottom of the transverse plate 36 is fixedly connected with a plurality of arc-shaped protruding blocks 37 at intervals, the arc-shaped protruding blocks 37 are arranged corresponding to joints of the shield pipeline 12, and the roller 35 can roll to the surface of the arc-shaped protruding blocks 37 from the surface of the transverse plate 36; when the annular cover 2 moves to the corresponding joint, the corresponding roller 35 rolls to the arc-shaped protruding block 37, so that the piston rod 32 slides, gas in the sleeve 31 is pressed into the cavity 24 of the annular cover 2, the rubber film 25 protrudes towards the shield pipeline 12 when needed, testing time is convenient to control, the working state of the air charging device 3 is not required to be concerned, and the device is simple and efficient.
The paving device 4 further comprises a sliding block 41, a sliding groove 42 is arranged on the upper side of the test platform 1, the sliding block 41 is slidably connected in the sliding groove 42, the upper side of the sliding block 41 is fixedly connected with a vertical plate 43, one side of the vertical plate 43 is fixedly connected with a cylinder 44, a test paper roll 45 is sleeved on the cylinder 44, the test paper roll 45 is formed by winding test paper 451, an elastic steel sheet 452 is fixedly connected inside the test paper 451, the outer circle of the cylinder 44 is fixedly connected with a rubber gasket 441, the test paper roll 45 is sleeved on the outer side of the rubber gasket 441, the vertical plate 43 is rotatably connected with a circular ring 46, the circular ring 46 is coaxial with the cylinder 44, the outer circle of the circular ring 46 is fixedly connected with a supporting rod 47, the end of the supporting rod 47 is slidably connected with a sleeve rod 48, a locking screw is in threaded connection with the sleeve rod 48, the end of the sleeve rod 48 is rotatably connected with a pressing roller 49, one side of the vertical plate 43 is fixedly connected with a side plate 6, the side plate 6 is fixedly connected with a servo motor 61, a main shaft of the servo motor 61 is fixedly connected with a driving gear 62, the outer side of the circular ring 46 is fixedly connected with an outer toothed ring 63, and the driving gear 62 is meshed with the outer toothed ring 63; the rubber gasket 441 provides frictional force to enable the test paper roll 45 to generate rotational resistance, so that the test paper 451 is conveniently extruded and pasted on the inner cavity of the shield pipeline 12 through the rotation of the press roller 49, an elastic steel sheet 452 is arranged in the test paper 451, and the elastic steel sheet 452 has elasticity and has a tendency of being straightened, so that the test paper 451 is conveniently extruded and pasted on the inner wall of the shield pipeline 12, and the quick laying and pasting of the test paper 451 are convenient, and the efficiency is high.
The end of the test paper 451 is provided with two cutting grooves, the end of the test paper 451 is divided into two attaching parts 453 and a staggered part 454 by the cutting grooves, the staggered part 454 is positioned between the two attaching parts 453, the cylinder 44 is fixedly connected with two telescopic rods 5, the telescopic rods 5 and the loop bars 48 are all fixed by using locking screws, when the telescopic rods are required to be telescopic, the locking screws are unscrewed, the end of the two telescopic rods 5 is respectively fixedly connected with one pressing strip 51, a round rod 52 is fixedly connected between the two pressing strips 51, and the round rod 52 enables the attaching parts 453 and the staggered part 454 to form dislocation; the other end of test paper 451 can cut off after paving the round, and the other end of test paper 451 inserts between two laminating portions 453 and the split level portion 454, and telescopic link 5 shortens, cooperates the elasticity of elastic steel piece 452 for test paper 451 both ends form the malocclusion, do not need to support test paper 451, and test paper 451 just supports the inner wall at shield segment 12, and test paper 451 need not to paste and plays the test effect promptly, avoids glue to interfere with, makes the test more accurate.
The working principle is that the annular cover 2 is pressurized by water delivery after moving the position of the inverted corresponding joint, the pressurizing cylinder 15 pressurizes the shield pipeline 12 through the push plate 16, the stress condition of the shield pipeline 12 buried in the soil layer is simulated, the change of the test paper 451 is observed to test the impermeability, as the shield pipeline 12 is formed by splicing a plurality of shield segments, a plurality of splice joints are formed, when moving among different splice joints, the movement of the annular cover 2 causes abrasion blocking, the rubber film 25 protrudes to the shield pipeline 12 through pressurization so as to play a sealing role, in the moving process, the air charging device 3 pumps air, the rubber film 25 retracts and is separated from contact with the shield pipeline 12, thereby the position of the annular cover 2 is convenient to move, the testing efficiency is high, and the stability is strong.
Although embodiments of the present invention 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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a shield constructs section of jurisdiction seam waterproof performance test device, includes test platform (1), test platform (1) one side fixed connection riser (11), riser (11) set up the mounting hole, fixed connection shield pipeline (12) in the mounting hole, riser (11) one side fixed connection horizontal cylinder (13), telescopic link end fixed connection annular cover (2) of horizontal cylinder (13), annular cover (2) one side fixed connection delivery pipe (21), delivery pipe (21) fixed connection water hose (22), test platform (1) fixed connection support (14), support (14) interval fixed connection pressurization cylinder (15), telescopic link end fixed connection push pedal (16) of pressurization cylinder (15), be equipped with pressure sensor on push pedal (16), it has test paper (451) to lay in shield pipeline (12), its characterized in that: the inner cambered surface of the annular cover (2) is provided with an annular groove (23), a cavity (24) is formed in the annular cover (2), rubber films (25) are fixedly connected to two ends of the inner cambered surface of the annular cover (2), an air charging device (3) is arranged in the cavity (24), the annular cover (2) is in clearance fit with the shield pipeline (12), and the air charging device (3) is used for protruding the rubber films (25) towards the shield pipeline (12);
the inflating device (3) comprises a sleeve (31), the sleeve (31) is fixedly connected to the inner cavity of the annular cover (2), a piston rod (32) is connected in a sliding mode in the sleeve (31), one end of the piston rod (32) penetrates through the annular cover (2) and is fixedly connected with a baffle plate (33) at the end, a supporting spring (34) is fixedly connected between the baffle plate (33) and the annular cover (2), a connecting roller (35) is rotated on one side of the baffle plate (33), a transverse plate (36) is fixedly connected to one side of the vertical plate (11), a plurality of arc-shaped protruding blocks (37) are fixedly connected to the bottom of the transverse plate (36) at intervals, the arc-shaped protruding blocks (37) correspond to joint seams of the shield pipeline (12), and the roller (35) can roll to the surface of the arc-shaped protruding blocks (37) through the surface of the transverse plate (36).
2. The shield segment joint waterproof performance test device according to claim 1, wherein: still including paving device (4), paving device (4) include slider (41), test platform (1) upside is equipped with spout (42), slider (41) sliding connection is in spout (42), slider (41) upside fixed connection riser (43), riser (43) one side fixed connection cylinder (44), test paper roll (45) have been cup jointed on cylinder (44), riser (43) rotate and connect ring (46), ring (46) are coaxial with cylinder (44), ring (46) excircle fixed connection branch (47), branch (47) end sliding connection loop bar (48), threaded connection locking screw on loop bar (48), loop bar (48) end rotates and connects compression roller (49).
3. The test device for testing the waterproof performance of the shield segment joint according to claim 2, wherein: the excircle of the cylinder (44) is fixedly connected with a rubber gasket (441), and the test paper roll (45) is sleeved on the outer side of the rubber gasket (441).
4. The test device for testing the waterproof performance of the shield segment joint according to claim 2, wherein: the inside of the test paper (451) is fixedly connected with an elastic steel sheet (452).
5. The test device for testing the waterproof performance of the shield segment joint according to claim 4, wherein: the end of the test paper (451) is provided with two cutting grooves, the cutting grooves divide the end of the test paper (451) into two attaching parts (453) and a staggered layer part (454), and the staggered layer part (454) is located between the two attaching parts (453).
6. The test device for testing the waterproof performance of the shield segment joint according to claim 5, wherein the test device comprises the following components: the cylinder (44) is fixedly connected with two telescopic rods (5), the ends of the two telescopic rods (5) are respectively and fixedly connected with a pressing strip (51), a round rod (52) is fixedly connected between the pressing strips (51), and the round rod (52) enables the attaching part (453) and the staggered layer part (454) to form dislocation.
7. The test device for testing the waterproof performance of the shield segment joint according to claim 6, wherein the test device is characterized in that: the utility model discloses a motor, including riser (43), servo motor (61), ring (46), riser (43) one side fixed connection curb plate (6), curb plate (6) fixed connection servo motor (61), main shaft fixed connection driving gear (62) of servo motor (61), outer ring gear (63) are connected fixedly in the ring (46), driving gear (62) meshes with outer ring gear (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111479929.3A CN114088306B (en) | 2021-12-06 | 2021-12-06 | Shield constructs section of jurisdiction seam waterproof performance test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111479929.3A CN114088306B (en) | 2021-12-06 | 2021-12-06 | Shield constructs section of jurisdiction seam waterproof performance test device |
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| CN114088306A CN114088306A (en) | 2022-02-25 |
| CN114088306B true CN114088306B (en) | 2023-04-25 |
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