CN211553179U - Shield constructs quick-witted soil storehouse pressure sensor detection device - Google Patents
Shield constructs quick-witted soil storehouse pressure sensor detection device Download PDFInfo
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- CN211553179U CN211553179U CN202020098538.1U CN202020098538U CN211553179U CN 211553179 U CN211553179 U CN 211553179U CN 202020098538 U CN202020098538 U CN 202020098538U CN 211553179 U CN211553179 U CN 211553179U
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Abstract
The utility model discloses a shield constructs quick-witted soil storehouse pressure sensor detection device, including drum, sensor body, sealing device and pressure device, the drum is a sealed circular cylinder, and the sensor body passes through sealing device and sets up the bottom at the drum, and pressure device sets up on the inner chamber upper portion of drum, and sealing device includes the closing plate, and sensor body fixed mounting is at the top of closing plate, and the bottom plate of drum is run through and extend to the inside of drum in the top of sensor body, is provided with the rubber pad between the bottom plate of closing plate and drum, passes through bolted connection between the closing plate, the bottom plate of rubber pad and drum. This shield constructs quick-witted soil storehouse pressure sensor detection device through having set up sealing device and pressure device, makes the device can verify the atmospheric pressure in the device through the condition two-way that manometer and pouring weight change, prevents the detection error that the inaccuracy after the manometer uses for a long time brought, guarantees the accuracy that detects.
Description
Technical Field
The utility model relates to a shield constructs construction technical field, specifically is a shield constructs quick-witted soil storehouse pressure sensor detection device.
Background
The tunnel construction of the shield machine becomes mainstream, in order to relieve the traffic pressure of a central city and an old city, houses and pipelines are penetrated more and more downwards (laterally) in the construction process of urban subways, along with more and more dangerous sources for the construction of the shield tunneling machine, wherein the control of the soil bin pressure (the pressure of a closed space formed on an excavation surface) is particularly important in the construction process, the accuracy of the shield soil bin pressure sensor influences the construction efficiency of the shield and the safety of the surrounding environment in the tunneling process, a plurality of construction projects are directly constructed without detecting the accuracy of the pressure sensor before the shield tunneling, therefore, huge potential safety hazards can be brought to later shield construction, the existing sensor detection equipment is usually carried out in a mode of detecting an air pressure meter when determining to detect air pressure, and if the existing sensor detection equipment is used for a long time, the existing sensor detection equipment can be out of alignment, so that the detection is easy to be inaccurate.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a shield constructs quick-witted soil storehouse pressure sensor detection device has solved foretell problem.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a detection device for a soil bin pressure sensor of a shield tunneling machine comprises a cylinder, a sensor body, a sealing device and a pressure device, wherein the cylinder is a sealed circular cylinder, the sensor body is arranged at the bottom of the cylinder through the sealing device, and the pressure device is arranged at the upper part of an inner cavity of the cylinder;
the sealing device comprises a sealing plate, the sensor body is fixedly arranged at the top of the sealing plate, the top of the sensor body penetrates through the bottom plate of the cylinder and extends into the cylinder, a rubber pad is arranged between the sealing plate and the bottom plate of the cylinder, and the sealing plate, the rubber pad and the bottom plate of the cylinder are connected through bolts;
pressure device is including keeping off the ring, first pouring weight, second pouring weight, third pouring weight, fourth pouring weight and fifth pouring weight run through in proper order from outside to inside, keep off ring fixed mounting on the inner chamber upper portion of drum, the edge of first pouring weight is placed on keeping off the ring, the top of second pouring weight, third pouring weight, fourth pouring weight and fifth pouring weight is fixed mounting respectively has first fixed plate, second fixed plate, third fixed plate and fourth fixed plate, and first pouring weight, first fixed plate, second fixed plate, third fixed plate and fourth fixed plate stack each other, the below that the inner chamber of drum just is located the fifth pouring weight is provided with the piston.
Further, a hanging plate is arranged at the center of the top of the cylinder, and a hanging rope is arranged at the center of the top of the hanging plate.
Further, the right side of the cylinder is provided with an air inlet pipe, the air inlet pipe is provided with an air inlet control valve and a pressure reducing valve respectively, the left side of the cylinder is provided with an air outlet pipe, and the air outlet pipe is provided with an air outlet control valve.
Further, a pressure gauge is arranged on the front surface of the cylinder.
Furthermore, a transparent observation window is arranged on the front surface of the cylinder corresponding to the piston.
Advantageous effects
The utility model provides a shield constructs quick-witted soil storehouse pressure sensor detection device. The method has the following beneficial effects:
this shield constructs quick-witted soil storehouse pressure sensor detection device through having set up sealing device and pressure device, makes the device can verify the atmospheric pressure in the device through the condition two-way that manometer and pouring weight change, prevents the detection error that the inaccuracy after the manometer uses for a long time brought, guarantees the accuracy that detects.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a front view of the present invention.
In the figure: 1. a cylinder; 2. a sensor body; 3. a sealing plate; 4. a rubber pad; 5. a bolt; 6. a baffle ring; 7. a first weight; 8. a second weight; 9. a third weight; 10. a fourth weight; 11. a fifth weight; 12. a first fixing plate; 13. a second fixing plate; 14. a fourth fixing plate; 15. a suspension plate; 16. A suspension rope; 17. an air inlet pipe; 18. an air intake control valve; 19. a pressure reducing valve; 20. an air outlet pipe; 21. an air outlet control valve; 22. a pressure gauge; 23. a piston; 24. a transparent viewing window; 25. and a fourth fixing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a detection device for a soil bin pressure sensor of a shield tunneling machine comprises a cylinder 1, a sensor body 2, a sealing device and a pressure device, wherein the cylinder 1 is a sealed circular cylinder, the sensor body 2 is arranged at the bottom of the cylinder 1 through the sealing device, and the pressure device is arranged at the upper part of an inner cavity of the cylinder 1;
the sealing device comprises a sealing plate 3, a sensor body 2 is fixedly arranged at the top of the sealing plate 3, the top of the sensor body 2 penetrates through the bottom plate of the cylinder 1 and extends into the cylinder 1, a rubber pad 4 is arranged between the sealing plate 3 and the bottom plate of the cylinder 1, the sealing plate 3, the rubber pad 4 and the bottom plate of the cylinder 1 are connected through a bolt 5, and the rubber pad 4 can increase the sealing strength;
the pressure device comprises a baffle ring 6, a first weight 7, a second weight 8, a third weight 9, a fourth weight 10 and a fifth weight 11, the first weight 7, the second weight 8, the third weight 9, the fourth weight 10 and the fifth weight 11 sequentially penetrate from outside to inside, the baffle ring 6 is fixedly installed on the upper portion of an inner cavity of the cylinder 1, the edge of the first weight 7 is placed on the baffle ring 6, the tops of the second weight 8, the third weight 9, the fourth weight 10 and the fifth weight 11 are respectively and fixedly provided with a first fixing plate 12, a second fixing plate 13, a third fixing plate 14 and a fourth fixing plate 25, the first weight 7, the first fixing plate 12, the second fixing plate 13, the third fixing plate 14 and the fourth fixing plate 25 are mutually overlapped, a piston 23 is arranged in the inner cavity of the cylinder 1 and below the fifth weight 11, the air pressure in the cylinder 1 rises, the piston 23 sequentially drives the first weight 7, the second weight 8, the third weight 9, the fourth weight 10 and the fifth weight 11, Second heavy piece 8, third heavy piece 9, fourth heavy piece 10 and fifth heavy piece 11 rise, through the debugging contrast, verify whether the numerical value of manometer 22 is accurate and whether the device leaks gas, improve detection accuracy.
Wherein the top center of the cylinder 1 is provided with the suspension plate 15, and the top center of the suspension plate 15 is provided with the suspension rope 16, such a design can enable the device to be in a horizontal state, and ensure that the friction force among the first weight 7, the second weight 8, the third weight 9, the fourth weight 10 and the fifth weight 11 is minimum.
Wherein, the right side of the cylinder 1 is provided with an air inlet pipe 17, the air inlet pipe 17 is respectively provided with an air inlet control valve 18 and a pressure reducing valve 19, the left side of the cylinder 1 is provided with an air outlet pipe 20, and the air outlet pipe 20 is provided with an air outlet control valve 21.
Wherein the front surface of the cylinder 1 is provided with a pressure gauge 22, and the pressure gauge 22 is used for displaying the pressure intensity in the cylinder 1, thereby facilitating the comparison of numerical values.
Wherein, the front surface of the cylinder 1 is provided with a transparent observation window 24 at the position corresponding to the piston 23.
When the device works, firstly, the device is hung through a hanging rope 16, after the device is static, an air inlet pipe 17 is connected to an air compressor, an air outlet pipe 20 is closed, an air inlet control valve 18 is slowly opened, the air pressure is adjusted to be slightly larger than the maximum experiment pressure of 5bar, whether a first weight 7 rises or not is observed, if the first weight 7 rises stably, the pressure is stabilized for 10 minutes, the change condition of a pressure gauge is observed, similarly, the experiment pressure is not changed to 1bar,2bar, 3bar and 4bar, if the weight rises uniformly, the sealing state of the detection device meets the experiment requirements, then according to the detection purpose, the pressure of a pressure reducing valve is respectively set to be 0.5bar,1bar,1.5bar,2bar, 2.5bar,3bar,3.5bar,4bar,4.5bar,5bar and the like, whether the pressure display of the operation interface of the shield machine is consistent with the pressure gauge value on the detection device or not is, and (4) indicating that the accuracy of the sensor reaches the standard, opening the exhaust valve after the detection is finished, and reducing the pressure to 0 bar.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a shield constructs quick-witted soil storehouse pressure sensor detection device, includes drum (1), sensor body (2), sealing device and pressure device, its characterized in that: the cylinder (1) is a sealed circular cylinder, the sensor body (2) is arranged at the bottom of the cylinder (1) through a sealing device, and the pressure device is arranged at the upper part of an inner cavity of the cylinder (1);
the sealing device comprises a sealing plate (3), the sensor body (2) is fixedly arranged at the top of the sealing plate (3), the top of the sensor body (2) penetrates through the bottom plate of the cylinder (1) and extends into the cylinder (1), a rubber pad (4) is arranged between the sealing plate (3) and the bottom plate of the cylinder (1), and the sealing plate (3), the rubber pad (4) and the bottom plate of the cylinder (1) are connected through a bolt (5);
the pressure device comprises a baffle ring (6), a first weight (7), a second weight (8), a third weight (9), a fourth weight (10) and a fifth weight (11), wherein the first weight (7), the second weight (8), the third weight (9), the fourth weight (10) and the fifth weight (11) sequentially penetrate from outside to inside, the baffle ring (6) is fixedly arranged on the upper part of an inner cavity of the cylinder (1), the edge of the first weight (7) is arranged on the baffle ring (6), the tops of the second weight (8), the third weight (9), the fourth weight (10) and the fifth weight (11) are respectively and fixedly provided with a first fixing plate (12), a second fixing plate (13), a third fixing plate (14) and a fourth fixing plate (25), the first weight (7), the first fixing plate (12), the second fixing plate (13), the third fixing plate (14) and the fourth fixing plate (25) are mutually overlapped, and a piston (23) is arranged in the inner cavity of the cylinder (1) and below the fifth heavy block (11).
2. The detection device for the soil bin pressure sensor of the shield tunneling machine according to claim 1, characterized in that: the top center of the cylinder (1) is provided with a suspension plate (15), and the top center of the suspension plate (15) is provided with a suspension rope (16).
3. The detection device for the soil bin pressure sensor of the shield tunneling machine according to claim 1, characterized in that: the right side of the cylinder (1) is provided with an air inlet pipe (17), the air inlet pipe (17) is respectively provided with an air inlet control valve (18) and a pressure reducing valve (19), the left side of the cylinder (1) is provided with an air outlet pipe (20), and the air outlet pipe (20) is provided with an air outlet control valve (21).
4. The detection device for the soil bin pressure sensor of the shield tunneling machine according to claim 1, characterized in that: the front surface of the cylinder (1) is provided with a pressure gauge (22).
5. The detection device for the soil bin pressure sensor of the shield tunneling machine according to claim 1, characterized in that: and a transparent observation window (24) is arranged at the position of the front surface of the cylinder (1) corresponding to the piston (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020098538.1U CN211553179U (en) | 2020-01-17 | 2020-01-17 | Shield constructs quick-witted soil storehouse pressure sensor detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020098538.1U CN211553179U (en) | 2020-01-17 | 2020-01-17 | Shield constructs quick-witted soil storehouse pressure sensor detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211553179U true CN211553179U (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020098538.1U Active CN211553179U (en) | 2020-01-17 | 2020-01-17 | Shield constructs quick-witted soil storehouse pressure sensor detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211553179U (en) |
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2020
- 2020-01-17 CN CN202020098538.1U patent/CN211553179U/en active Active
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