CN112033618A - Air tightness detection device for cement culvert pipe production and use method thereof - Google Patents
Air tightness detection device for cement culvert pipe production and use method thereof Download PDFInfo
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- CN112033618A CN112033618A CN202011002849.4A CN202011002849A CN112033618A CN 112033618 A CN112033618 A CN 112033618A CN 202011002849 A CN202011002849 A CN 202011002849A CN 112033618 A CN112033618 A CN 112033618A
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- cement culvert
- culvert pipe
- base
- cement
- air
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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
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
-
- 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
Abstract
The invention discloses an air tightness detection device for cement culvert pipe production, which comprises a base and a supporting assembly for horizontally placing cement culvert pipes, wherein two ends of the base are connected with sliding seats, the sliding seats are connected with fixing columns, the fixing columns are provided with tightening discs, the tightening discs are driven by a driving assembly to move relatively, so that the two tightening discs respectively tighten two axial end surfaces of the cement culvert pipes, the sliding seats are provided with communicating holes, one sliding seat is provided with a barometer, and the communicating holes on the other sliding seat are communicated with air compression equipment. The invention has the following beneficial effects: the cement culvert pipe is placed on the supporting component, the driving component drives the end face of the abutting disc and the end face of the cement culvert pipe to abut, the compressed air equipment generates compressed air, air pressure is generated in the cement culvert pipe, the pressure numerical value of the compressed air equipment and the pressure numerical value of the pressure gauge are recorded, then the air tightness inside the cement culvert pipe is detected, and the air tightness inside the cement culvert pipe is detected.
Description
Technical Field
The invention relates to the field of cement culvert pipe detection devices, in particular to an air tightness detection device for cement culvert pipe production and a use method thereof.
Background
The cement culvert pipe is a pipeline buried under the ground surface, is formed by casting reinforced concrete and is commonly called as a cement pipe. The small culvert pipe is also made of metal materials. Under the full-section cofferdam, a diversion pipeline is used, and under the ordinary condition, a water delivery pipeline is used.
In the cement culvert pipe production manufacturing process, because the raw and other materials that its preparation adopted are cement and concrete, consequently after prefabricating, inside probably has tiny gap, this gap can lead to the gas tightness of cement culvert pipe to reduce, and then makes the cement culvert pipe when using, inside probably infiltration, and reduce the result of use, the gap can lead to the life reduction of cement culvert pipe simultaneously, consequently in the manufacturing process of cement culvert pipe, need design and be used for carrying out the device that detects to cement culvert pipe gas tightness.
In order to solve the problems, the air tightness detection device for cement culvert pipe production is provided.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide an air tightness detection device for cement culvert pipe production, and in order to solve the technical problem, the invention provides the following technical scheme:
the invention provides an air tightness detection device for cement culvert pipe production, which comprises a base, wherein a supporting component which is used for horizontally placing the cement culvert pipe and enabling the cement culvert pipe to rotate circumferentially is arranged on the base, the two ends of the base in the length direction are respectively and horizontally connected with a sliding seat in a sliding way, the two sliding seats are respectively and horizontally connected with a fixed column, the opposite ends of the two fixed columns are respectively and coaxially provided with a tightly-supporting disc, the two tightly-supporting discs are driven by a driving assembly to move relatively, so that the two tightly-supporting discs are respectively and tightly supported on the two axial end surfaces of the cement culvert pipe, the two sliding seats are respectively provided with a communicating hole which penetrates through the fixed column and the tightly-supporting discs and is in a through hole form, one of the sliding seats is provided with a barometer communicated with the communicating hole, and the communicating hole on the other sliding seat is communicated with external air compression equipment through an installation air pipe.
Preferably, the sliding seat is connected to the base in a sliding manner through a mounting slide rail and a sliding block.
Preferably, the supporting assembly comprises two mounting arms which are symmetrically arranged on the outer walls of two sides of the base in the width direction, and the upper ends of the mounting arms are horizontally and rotatably connected with rollers which are in rolling contact with the wall of the cement culvert pipe at the periphery and are used for supporting the cement culvert pipe.
Preferably, the end face of the abutting disc is coaxially provided with a rubber pad, and the rubber pad abuts against the end face of the cement culvert pipe, so that the joint of the abutting disc and the end face of the cement culvert pipe is in an air-tight state.
Preferably, a plurality of reinforcing ribs which extend to the end face of the abutting disc and are used for reinforcing the abutting disc are arranged on the fixing column along the axial array of the fixing column.
Preferably, the driving assembly comprises a rotating shaft which is horizontally and rotatably connected to the base and stretches across the length direction of the base, a first screw rod part and a second screw rod part are respectively arranged at two ends of the rotating shaft in the length direction, the spiral directions of the first screw rod part and the second screw rod part are opposite, screw nuts are horizontally arranged on the two sliding seats respectively in a penetrating mode, the two screw nuts are respectively sleeved on the first screw rod part and the second screw rod part in a threaded mode, when the rotating shaft rotates, the two screw nuts are driven to respectively drive the two sliding seats to move relatively, the two abutting discs are made to be relatively close to each other, the end faces of the two abutting discs abut against two shaft end faces of the cement culvert pipe tightly, and the rotating shaft is driven to rotate by a speed reduction motor installed on the base.
Preferably, the two ends of the base in the length direction are respectively provided with a bearing seat, and the two ends of the rotating shaft in the length direction are respectively inserted into the two bearing seats, so that the rotating shaft is rotatably connected to the base.
The use method of the air tightness detection device comprises the following steps:
1) placing the cement culvert pipes on the supporting assembly through an external crane, wherein the axial direction of the cement culvert pipes is parallel to the length direction of the base, and the cement culvert pipes can rotate on the supporting assembly;
2) starting the driving assembly, wherein the driving assembly drives the two sliding seats to move relatively, so that the two sliding seats are relatively close to each other, and the end surfaces of the two abutting discs abut against the two shaft end surfaces of the cement culvert pipe respectively;
3) starting an external air compression device and recording the pressure value of compressed air, enabling the compressed air to enter a communicating hole of the sliding seat through an air pipe and enter a cement culvert, then entering another communicating hole of the sliding seat, and displaying the air pressure value in the cement culvert through the pressure gauge, wherein when the difference between the pressure value of the compressed air and the air pressure value in the cement culvert is within 0.05Pa, the cement culvert has good air tightness.
Compared with the prior art, the invention has the following beneficial effects: the cement culvert pipe can be rotated by placing the cement culvert pipe on the supporting component for rotation, so that the gap of the outer wall of the cement culvert pipe can be conveniently detected, then the driving component drives the two abutting discs to move relatively, so that the end surfaces of the abutting discs abut against the end surfaces of the cement culvert pipe, the interior of the cement culvert pipe is isolated and communicated with the outside air, then compressed air is generated by external compressed air equipment, so that air pressure is generated in the cement culvert pipe, the air tightness of the interior of the cement culvert pipe is detected by recording the pressure value of the compressed air equipment and the pressure value of a pressure gauge, so that the air tightness of the interior of the cement culvert pipe is detected, the delivery quality of the cement culvert pipe is improved, the driving component is composed of a rotating shaft, a speed reducing motor and lead screw nuts, the rotating shaft is driven to rotate by the speed reducing motor, so that the two lead screw nuts are respectively screwed with the first lead screw rod part and the second lead, and then drive two sliding seat relative movement, simple structure, manufacturing cost is lower, and has promoted work efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the general assembly three-dimensional structure of an air tightness detection device for cement culvert production according to the present invention;
FIG. 2 is a schematic perspective view of an air tightness detection device for cement culvert production according to the present invention in an implementation state;
FIG. 3 is a side view angle schematic of the three-dimensional structure of FIG. 2;
FIG. 4 is a schematic front view of the three-dimensional structure of FIG. 2;
in the figure: 1-a speed reduction motor, 2-a first screw rod part, 3-a mounting arm, 4-a base, 5-a roller, 6-a second screw rod part, 7-a barometer, 8-a rubber pad, 9-a cement culvert pipe, 10-a pressing disc, 11-a fixed column, 12-a sliding seat, 13-a screw rod nut and 14-a communication hole.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Examples
As shown in fig. 1-4, an air tightness detecting device for cement culvert production comprises a base 4, the base 4 is provided with a supporting component which is used for horizontally placing the cement culvert pipe 9 and enabling the cement culvert pipe 9 to rotate circumferentially, the two ends of the base 4 in the length direction are respectively and horizontally connected with a sliding seat 12 in a sliding manner, the two sliding seats 12 are respectively and horizontally connected with a fixed column 11, the opposite ends of the two fixed columns 11 are respectively and coaxially provided with a resisting disc 10, the two resisting discs 10 are driven by a driving assembly to move relatively, so that the two resisting discs 10 are respectively and tightly contacted with the two axial end surfaces of the cement culvert pipe 9, the two sliding seats 12 are respectively provided with a communicating hole 14 which penetrates through the fixed columns 11 and the resisting discs 10 and is in a through hole form, one of the sliding seats 12 is provided with a barometer 7 communicated with a communication hole 14, and the communication hole 14 on the other sliding seat 12 is communicated with external air compression equipment through an installation air pipe.
In the present embodiment, the sliding base 12 is preferably slidably connected to the base 4 by a mounting rail or a slider.
In this embodiment, as preferred, the supporting component includes that two bisymmetry locates the installation arm 3 on the outer wall of 4 width direction both sides of base, installation arm 3 upper end horizontal rotation is connected with periphery and cement culvert pipe 9 pipe wall rolling contact, and is used for supporting the gyro wheel 5 of cement culvert pipe 9, and gyro wheel 5 can set up and be made by soft rubber material, avoids gyro wheel 5 when bearing the weight of cement culvert pipe 9 like this, produces the extrusion damage to cement culvert pipe 9 outer wall.
In this embodiment, preferably, a rubber pad 8 is coaxially disposed on an end surface of the tightening disc 10, and the rubber pad 8 abuts against an end surface of the cement culvert 9, so that a joint between the tightening disc 10 and the end surface of the cement culvert 9 has an airtight state.
In this embodiment, preferably, the fixing column 11 is provided with a plurality of reinforcing ribs extending to the end face of the tightening plate 10 along the axial direction thereof, and used for reinforcing the tightening plate 10.
In this embodiment, as an optimization, the driving assembly includes a rotating shaft horizontally and rotatably connected to the base 4 and stretching across the length direction of the base 4, a first screw rod portion 2 and a second screw rod portion 6 are respectively arranged at two ends of the rotating shaft in the length direction, the spiral directions of the first screw rod portion 2 and the second screw rod portion 6 are opposite, screw nuts 13 are horizontally inserted into the two sliding seats 12 respectively, the two screw nuts 13 are respectively and threadedly sleeved on the first screw rod portion 2 and the second screw rod portion 6, when the rotating shaft rotates, the two screw nuts 13 are driven to respectively drive the two sliding seats 12 to move relatively, so that the two tightening discs 10 are relatively close to each other, and further the end faces of the two tightening discs 10 are tightened against the two axial end faces of the cement culvert 9, and the rotating shaft is driven to rotate by a speed reduction motor 1 installed on the base 4.
In this embodiment, preferably, two ends of the base 4 in the length direction are respectively provided with a bearing seat, and two ends of the rotating shaft in the length direction are respectively inserted into the two bearing seats, so that the rotating shaft is rotatably connected to the base 4.
The embodiment also discloses a using method of the air tightness detection device, which comprises the following steps:
1) placing the cement culvert pipes 9 on the multiple groups of rollers 5 of the supporting assembly through an external crane, wherein the axial direction of the cement culvert pipes 9 is parallel to the length direction of the base 4, the cement culvert pipes 9 can rotate on the supporting assembly at the moment, workers detect the outer walls of the cement culvert pipes 9, when visible gaps exist on the surfaces of the cement culvert pipes 9, subsequent detection is not needed, the air tightness of the cement culvert pipes 9 is directly judged to be poor, and when the outer walls of the cement culvert pipes 9 do not have visible gaps, subsequent detection operation is carried out;
2) starting a speed reducing motor 1 in the driving assembly, enabling the speed reducing motor 1 to rotate to drive a rotating shaft to rotate, enabling two lead screw nuts 13 to be respectively screwed with a first lead screw part 2 and a second lead screw part 6 on the rotating shaft, further driving two sliding seats 12 to move relatively, enabling the two sliding seats 12 to approach relatively, and further enabling the end surfaces of the two abutting discs 10 to abut against the end surfaces of two shaft ends of the cement culvert pipe 9 respectively;
3) starting an external air compression device and recording the pressure value of compressed air, wherein the compressed air enters the communicating hole 14 of the sliding seat 12 through an air pipe and enters the cement culvert 9, then enters the communicating hole 14 of the other sliding seat 12, the pressure gauge 7 displays the air pressure value in the cement culvert 9, and when the difference between the pressure value of the compressed air and the air pressure value in the cement culvert 9 is within 0.05Pa, the cement culvert 9 has good air tightness.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an air tightness detection device for cement culvert pipe production which characterized in that: the cement culvert pipe supporting device comprises a base (4), wherein a supporting assembly used for horizontally placing a cement culvert pipe (9) and enabling the cement culvert pipe (9) to rotate in the circumferential direction is arranged on the base (4), sliding seats (12) are horizontally connected at two ends of the base (4) in the length direction in a sliding mode respectively, fixing columns (11) are horizontally connected on the two sliding seats (12) respectively, abutting discs (10) are coaxially arranged at opposite ends of the two fixing columns (11) respectively, the two abutting discs (10) are driven by a driving assembly to move relatively, the two abutting discs (10) are enabled to abut against two axial end faces of the cement culvert pipe (9) respectively, communicating holes (14) which penetrate through the fixing columns (11) and the abutting discs (10) and are in a through hole mode are formed in each of the two sliding seats (12), a gas pressure gauge (7) communicated with the communicating holes (14) is installed on one of the sliding seats (12), and the communication hole (14) on the other sliding seat (12) is communicated with external air compression equipment through an installation air pipe.
2. The airtightness detection apparatus for cement culvert production according to claim 1, characterized in that: the sliding seat (12) is connected to the base (4) in a sliding mode through a mounting sliding rail and a sliding block.
3. The airtightness detection apparatus for cement culvert production according to claim 1, characterized in that: the supporting assembly comprises two mounting arms (3) which are arranged on the outer walls of two sides of the base (4) in the width direction in a pairwise symmetry mode, and the upper ends of the mounting arms (3) are horizontally and rotatably connected with rollers (5) which are in rolling contact with the wall of the cement culvert pipe (9) at the periphery and are used for supporting the cement culvert pipe (9).
4. The airtightness detection apparatus for cement culvert production according to claim 1, characterized in that: the end face of the tight-supporting disc (10) is coaxially provided with a rubber pad (8), the rubber pad (8) is abutted against the end face of the cement culvert pipe (9), and the joint of the end face of the tight-supporting disc (10) and the end face of the cement culvert pipe (9) is in an air-tight state.
5. The airtightness detection apparatus for cement culvert production according to claim 1, characterized in that: and a plurality of reinforcing ribs which extend to the end face of the abutting disc (10) and are used for reinforcing the abutting disc (10) are arranged on the fixing column (11) along the axial array of the fixing column.
6. The airtightness detection apparatus for cement culvert production according to claim 1, characterized in that: the driving component comprises a rotating shaft which is horizontally and rotatably connected on the base (4) and stretches across the length direction of the base (4), a first screw rod part (2) and a second screw rod part (6) are respectively arranged at the two ends of the rotating shaft in the length direction, the spiral directions of the first screw rod part (2) and the second screw rod part (6) are opposite, screw rod nuts (13) are horizontally arranged on the two sliding seats (12) in a penetrating mode respectively, the two screw rod nuts (13) are respectively sleeved on the first screw rod part (2) and the second screw rod part (6) in a threaded mode, when the rotating shaft rotates, the two lead screw nuts (13) are driven to respectively drive the two sliding seats (12) to move relatively, so that the two abutting discs (10) are relatively close to each other, so that the end surfaces of the two abutting discs (10) abut against the end surfaces of the two shafts of the cement culvert pipe (9), the rotating shaft is driven to rotate by a speed reducing motor (1) arranged on the base (4).
7. The airtightness detection apparatus for cement culvert production according to claim 6, characterized in that: the two ends of the length direction of the base (4) are respectively provided with a bearing seat, and the two ends of the length direction of the rotating shaft are respectively inserted into the two bearing seats, so that the rotating shaft is rotatably connected to the base (4).
8. The use method of the air tightness detection device is characterized in that: the method comprises the following steps:
1) placing the cement culvert (9) on the supporting assembly through an external crane, wherein the axial direction of the cement culvert (9) is parallel to the length direction of the base (4), and the cement culvert (9) can rotate on the supporting assembly;
2) starting the driving assembly, wherein the driving assembly drives the two sliding seats (12) to move relatively, so that the two sliding seats (12) are relatively close to each other, and the end surfaces of the two abutting discs (10) are abutted against the end surfaces of the two shafts of the cement culvert pipe (9) respectively;
3) starting external air compression equipment and recording the pressure value of compressed air, wherein the compressed air enters a communication hole (14) of a sliding seat (12) through an air pipe and enters a cement culvert pipe (9), then enters another communication hole (14) of the sliding seat (12), the pressure gauge (7) displays the air pressure value in the cement culvert pipe (9), and when the difference between the pressure value of the compressed air and the air pressure value in the cement culvert pipe (9) is within 0.05Pa, the cement culvert pipe (9) has good air tightness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011002849.4A CN112033618A (en) | 2020-09-22 | 2020-09-22 | Air tightness detection device for cement culvert pipe production and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011002849.4A CN112033618A (en) | 2020-09-22 | 2020-09-22 | Air tightness detection device for cement culvert pipe production and use method thereof |
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| CN112033618A true CN112033618A (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011002849.4A Pending CN112033618A (en) | 2020-09-22 | 2020-09-22 | Air tightness detection device for cement culvert pipe production and use method thereof |
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| CN (1) | CN112033618A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954411A (en) * | 2014-05-14 | 2014-07-30 | 宁波工程学院 | Water pressure detecting device and method in drainage pipe |
| CN206710037U (en) * | 2017-04-06 | 2017-12-05 | 赣州市强发管业有限公司 | Portable cement culvert pipe air-tightness detection device |
-
2020
- 2020-09-22 CN CN202011002849.4A patent/CN112033618A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954411A (en) * | 2014-05-14 | 2014-07-30 | 宁波工程学院 | Water pressure detecting device and method in drainage pipe |
| CN206710037U (en) * | 2017-04-06 | 2017-12-05 | 赣州市强发管业有限公司 | Portable cement culvert pipe air-tightness detection device |
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Application publication date: 20201204 |
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