Detection tool for preventing pipeline gas leakage

Abstract

The utility model discloses a detection tool for preventing pipeline gas leakage. The detection tool comprises a tool body and a sealing assembly. The tool body comprises a pipe fitting in the center of the upper portion of the tool body, and a left sealing seat and a right sealing seat movably installed on the two sides of the pipe fitting respectively. According to the detection tool for preventing pipeline gas leakage, the left sealing seat and the right sealing seat are installed on the two sides of the pipe fitting on the tool body, and the pressing sheets pressed by the springs are installed in the rubber sealing sleeves at the front ends of the left sealing seat and the right sealing seat, so that the outer walls of the rubber sealing sleeves can be uniformly pressed to the inner walls of the pipe fitting; a first sealing pressing plate and a second sealing pressing plate clamped on the two sides of the outer ends of the left sealing seat and the right sealing seat can seal the joints between the two ends of the pipe fitting and the left sealing seat and the right sealing seat through sealing pieces, sealing gaskets and sealing strips on the two sides of the inner ends, the upper sides and the lower sides of the inner ends of the first sealing pressing plate and the second sealing pressing plate. And the inner sides and the outer ends of the two ends in the pipe fitting detection are comprehensively pressed, sealed and protected, so that the sealing performance of the connecting part of the two ends in the pipe fitting detection is ensured, and the detection precision of the detection tool is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline detection frock technical field, concretely is the detection frock of preventing pipeline gas leakage. BACKGROUND

[0002] The detection frock for preventing pipeline gas leakage is a device specially used for detecting the sealing performance of a pipeline. The pipeline gas leakage detection frock mainly detects gas leakage through gas pressure difference. When there is leakage in the pipeline, the frock can capture pressure change and determine whether the pipeline is leaking.

[0003] The existing detection frock for preventing pipeline gas leakage is often sealed at both ends by pressing sealing plugs installed at both ends of the pipeline during pipeline internal sealing detection. The sealing plugs installed at both ends of the pipeline only seal the inner wall of the pipeline, which is inconvenient for synchronously pressing and sealing the inner and outer ends of the connection between the two ends of the pipeline, and thus the sealing effect is limited. Therefore, the detection frock for preventing pipeline gas leakage is proposed. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving one of the technical problems existing in the prior art or related art.

[0005] Therefore, the utility model adopts the technical scheme that:

[0006] The detection frock for preventing pipeline gas leakage comprises a frock body and a sealing assembly. The frock body comprises a pipe at the upper central part, left and right sealing seats movably installed on both sides of the pipe, a fixed frame fixedly installed at the outer ends of the left and right sealing seats, a double-head air cylinder fixedly installed between the fixed frames, and a gas pipe and a gas pressure sensor fixedly installed in the left and right sealing seats, respectively. The sealing assembly comprises a rubber sealing sleeve fixedly installed on one side of the left and right sealing seats, a pressing sheet movably arranged and installed in the rubber sealing sleeve, a fixed shaft fixedly connected to the inner side of the pressing sheet, a spring movably sleeved at the outer end of the fixed shaft, a first sealing pressing plate and a second sealing pressing plate movably installed on both sides of the frock body, and a sealing sheet fixedly installed on one side of the inner end of the first and second sealing pressing plates.

[0007] Preferably, a sealing gasket is also arranged and fixed on one side of the inner end of the first and second sealing pressing plates.

[0008] Preferably, a sealing port is further formed in the outer end of the left and right sealing seats, and the sealing sheet is movably and matchedly installed in the sealing port.

[0009] Preferably, a sealing strip is further fixedly installed on both sides of the first sealing pressing plate, and a sealing groove is further formed in both sides of the second sealing pressing plate.

[0010] Preferably, the sealing strip is matched with the sealing groove.

[0011] Preferably, the outer ends of the first sealing press plate and the second sealing press plate are respectively fixedly installed with a first air cylinder and a second air cylinder, and the first air cylinder and the second air cylinder are fixed to the upper end of the tool body.

[0012] Preferably, the front ends of the rubber sealing sleeves are further provided with tapered openings.

[0013] Preferably, the left sealing seat and the right sealing seat are further arranged and fixedly installed with a fixed strip on one side, and the fixed strip is in the rubber sealing sleeve, and the fixed shafts are movably installed in the fixed strip.

[0014] By adopting the above technical scheme, the utility model has the beneficial effects that:

[0015] In the utility model, the left sealing seat and the right sealing seat installed on the both sides of the pipe fitting of the tool body, the pressing piece pressed by the spring arranged and installed in the front end rubber sealing sleeve, the first sealing press plate and the second sealing press plate clamped on the both sides of the outer end of the left sealing seat and the right sealing seat, the sealing piece and the sealing strip on the both sides of the inner end and the upper and lower sides of the first sealing press plate and the second sealing press plate, the sealing piece and the sealing strip can seal the connecting part between the both ends of the pipe fitting and the left sealing seat and the right sealing seat, and the comprehensive pressing and sealing protection of the both ends of the pipe fitting in the pipe fitting detection can ensure the sealing property of the connecting part of the both ends in the pipe fitting detection, and the precision in the detection of the detection tool is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structural drawing of the utility model;

[0017] Figure 2 It is another perspective view of the utility model;

[0018] Figure 3 It is the adjusting drawing of the utility model;

[0019] Figure 4 It is the structural drawing of the first sealing press plate, the second sealing press plate and the right sealing seat of the utility model;

[0020] Figure 5 It is another perspective view of the structural drawing of the first sealing press plate, the second sealing press plate and the right sealing seat of the utility model;

[0021] Figure 6 It is the side sectional view of the rubber sealing sleeve of the utility model.

[0022] REFERENCE SIGNS:

[0023] 100, tool body; 101, pipe; 102, left sealing seat; 103, right sealing seat; 104, fixing frame; 105, double-head air cylinder; 106, air pipe; 107, air pressure sensor;

[0024] 200, sealing assembly; 201, rubber sealing sleeve; 202, pressing plate; 203, fixed shaft; 204, spring; 205, No. 1 sealing pressing plate; 206, No. 2 sealing pressing plate; 207, sealing plate; 208, sealing gasket; 209, sealing opening; 210, sealing strip; 211, sealing groove; 212, No. 1 air cylinder; 213, No. 2 air cylinder; 214, conical opening; 215, fixed strip. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with specific embodiments and with reference to the drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0026] Some embodiments of the utility model provided by the utility model are described below in combination with the drawings to provide a detection tool for preventing pipeline gas leakage.

[0027] Embodiment one:

[0028] In combination with Figures 1-6As shown, the utility model provides the detection tooling of preventing pipeline gas leakage, include: tooling body 100, sealing assembly 200, tooling body 100 includes its upper portion central place pipe fitting 101, pipe fitting 101 both sides respectively movable installation left sealing seat 102 and right sealing seat 103, left sealing seat 102 and right sealing seat 103 outer end all fixed mounting fixed frame 104, fixed frame 104 between fixed mounting double -end pneumatic cylinder 105, left sealing seat 102 and right sealing seat 103 respectively fixed mounting air pipe 106 and air pressure sensor 107 in, sealing assembly 200 include left sealing seat 102 and right sealing seat 103 one side all fixed mounting rubber seal sleeve 201, rubber seal sleeve 201 all movable arrangement installation tablet 202 in, tablet 202 inner side all fixed connection fixed shaft 203, fixed shaft 203 outer end all movable sleeve spring 204, tooling body 100 both sides respectively movable installation one sealing pressboard 205 and two sealing pressboard 206, one sealing pressboard 205 and two sealing pressboard 206 inner end one side all fixed mounting sealing sheet 207, one sealing pressboard 205 and two sealing pressboard 206 inner end one side still all arrange fixed mounting sealing pad 208, left sealing seat 102 and right sealing seat 103 outer end still all set up sealing mouth 209, sealing sheet 207 movable matching installation in sealing mouth 209, one sealing pressboard 205 both sides still all fixed mounting sealing strip 210, two sealing pressboard 206 both sides still all set up sealing groove 211, sealing strip 210 and sealing groove 211 between match, one sealing pressboard 205 and two sealing pressboard 206 outer end still respectively fixed mounting one pneumatic cylinder 212 and two pneumatic cylinder 213, and one pneumatic cylinder 212 and two pneumatic cylinder 213 all fixed on tooling body 100 upper end, rubber seal sleeve 201 front end still all be provided with taper mouth 214, left sealing seat 102 and right sealing seat 103 one side still all arrange fixed mounting fixed strip 215, and fixed strip 215 is in rubber seal sleeve 201, fixed shaft 203 all movable installation in fixed strip 215.

[0029] Specific, prevent pipeline gas leak detection tool is a kind of device for detecting the sealing performance of pipeline;The left sealing seat 102 and the right sealing seat 103 are installed on both sides of the pipe fitting 101 on the tool body 100, the pressing sheet 202 pressed by the spring 204 is arranged and installed in the front end rubber sealing sleeve 201, the outer wall of the rubber sealing sleeve 201 can be uniformly pressed to the inner wall of the pipe fitting 101, the first sealing pressing plate 205 and the second sealing pressing plate 206 clamped on the outer end of the left sealing seat 102 and the right sealing seat 103, the sealing sheet 207, the sealing pad 208 and the sealing strip 210 on the inner end, the upper side and the lower side of the first sealing pressing plate 205 and the second sealing pressing plate 206 can seal the connection between the two ends of the pipe fitting 101 and the left sealing seat 102 and the right sealing seat 103, and then the sealing performance of the two end connection parts of the pipe fitting 101 in the detection can be guaranteed by the comprehensive pressing and sealing protection of the two end inner sides and the outer ends of the pipe fitting 101 in the detection, and the precision of the detection tool in the detection can be improved, the fixing strip 215 is installed on the outer end of the fixing shaft 203, mainly used for the activity of the fixing shaft 203, to bind its position, the tapered mouth 214 is arranged at the front end of the rubber sealing sleeve 201, mainly for the pressing of the rubber sealing sleeve 201 to the pipe fitting 101.

[0030] The working principle and use process of the utility model are as follows:

[0031] When the pipe fitting 101 is subjected to sealing performance detection, the pipe fitting 101 is first placed at the center of the upper end of the tool body 100, and the double-end cylinder 105 at the bottom is started, and after the double-end cylinder 105 is started, the two fixed frames 104 at the two sides are synchronously moved inward, and in the synchronous inward movement of the two fixed frames 104, the left sealing seat 102 and the right sealing seat 103 at the two sides are used to press the pipe fitting 101, the rubber sealing sleeve 201 at the front end of the left sealing seat 102 and the right sealing seat 103 is inserted into the pipe fitting 101 through the conical port 214 at the front, and with the continuous driving of the double-end cylinder 105, the plurality of pressing pieces 202 in the rubber sealing sleeve 201 compress the spring 204 at the bottom, and after the rubber sealing sleeve 201 is completely pressed in the inner wall of the pipe fitting 101, the pressing pieces 202 compress the elastic force of the spring 204 at the inner end, and the rubber sealing sleeve 201 is tightly pressed in the inner wall of the pipe fitting 101, so as to ensure the sealing of the connection position of the inner wall of the pipe fitting 101 at the two ends, after the left sealing seat 102 and the right sealing seat 103 are tightly pressed at the two ends of the pipe fitting 101, the No. 1 cylinder 212 and the No. 2 cylinder 213 at the two ends of the upper end of the tool body 100 are started at the same time, so that the No. 1 sealing pressing plate 205 and the No. 2 sealing pressing plate 206 at the inner end are driven to move inward by the No. 1 cylinder 212 and the No. 2 cylinder 213 respectively, so as to be tightly pressed outside the left sealing seat 102 and the right sealing seat 103 at the two ends of the pipe fitting 101, after the No. 1 sealing pressing plate 205 and the No. 2 sealing pressing plate 206 are tightly pressed outside the pipe fitting 101 and the left sealing seat 102 and the right sealing seat 103, the sealing pieces 207 and the sealing pads 208 at the inner end of the No. 1 sealing pressing plate 205 and the No. 2 sealing pressing plate 206 are tightly pressed in the sealing port 209 and at the outer wall of the pipe fitting 101, so as to ensure the sealing of the connection position outside the left sealing seat 102 and the right sealing seat 103 at the two ends of the pipe fitting 101, so as to improve the detection accuracy of the tool body 100 by tightly sealing the inside and outside of the connection position at the two ends during the detection of the pipe fitting 101.

[0032] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A detection tool for preventing a gas pipeline leakage, characterized by, Include: Tool body (100), sealing assembly (200); The tool body (100) includes a pipe (101) at the upper center, a left sealing seat (102) and a right sealing seat (103) movably installed on both sides of the pipe (101), a fixed frame (104) fixedly installed at the outer end of the left sealing seat (102) and the right sealing seat (103), a double-head air cylinder (105) fixedly installed between the fixed frame (104), and a gas pipe (106) and a gas pressure sensor (107) fixedly installed in the left sealing seat (102) and the right sealing seat (103) respectively; The sealing assembly (200) includes a rubber sealing sleeve (201) fixedly installed on one side of the left sealing seat (102) and the right sealing seat (103), a pressing piece (202) movably arranged and installed in the rubber sealing sleeve (201), a fixed shaft (203) fixedly connected to the inner side of the pressing piece (202), a spring (204) movably sleeved on the outer end of the fixed shaft (203), a first sealing pressing plate (205) and a second sealing pressing plate (206) movably installed on both sides of the tool body (100), and a sealing piece (207) fixedly installed on one side of the inner end of the first sealing pressing plate (205) and the second sealing pressing plate (206).

2. The detection tool for preventing pipeline gas leakage according to claim 1, wherein, The inner side of the first sealing pressing plate (205) and the second sealing pressing plate (206) is also arranged and fixedly installed with a sealing gasket (208).

3. The detection tool for preventing pipeline gas leakage according to claim 1, wherein, The outer end of the left sealing seat (102) and the right sealing seat (103) is also provided with a sealing port (209), and the sealing piece (207) is movably matched and installed in the sealing port (209).

4. The detection tool for preventing pipeline gas leakage according to claim 1, wherein, The two sides of the first sealing pressing plate (205) are also fixedly installed with a sealing strip (210), and the two sides of the second sealing pressing plate (206) are also provided with a sealing groove (211).

5. The detection tool for preventing pipeline gas leakage according to claim 4, wherein, The sealing strip (210) and the sealing groove (211) are matched.

6. The detection tool for preventing pipeline gas leakage according to claim 1, wherein, The outer end of the first sealing pressing plate (205) and the second sealing pressing plate (206) is also fixedly installed with a first air cylinder (212) and a second air cylinder (213) respectively, and the first air cylinder (212) and the second air cylinder (213) are fixedly installed on the upper end of the tool body (100).

7. The detection tool for preventing pipeline gas leakage according to claim 1, wherein, The front end of the rubber sealing sleeve (201) is also provided with a tapered port (214).

8. The detection tool for preventing pipeline gas leakage according to claim 1, wherein, The left sealing seat (102) and the right sealing seat (103) are also arranged and fixedly installed with a fixed strip (215) on one side, and the fixed strip (215) is in the rubber sealing sleeve (201), and the fixed shaft (203) is movably installed in the fixed strip (215).

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