CN216899953U - Corrugated pipe test instrument - Google Patents
Corrugated pipe test instrument Download PDFInfo
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- CN216899953U CN216899953U CN202123220159.9U CN202123220159U CN216899953U CN 216899953 U CN216899953 U CN 216899953U CN 202123220159 U CN202123220159 U CN 202123220159U CN 216899953 U CN216899953 U CN 216899953U
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Abstract
The utility model relates to a corrugated pipe testing instrument which comprises a detection valve, a pressure release valve, a detection bottom plate, a force measurement bottom plate, a positioning device, a force measurement device, a movable seat, a fixed seat and a detection seat, wherein the detection bottom plate is provided with a pressure measurement hole; the force measuring bottom plate is slidably arranged on the detection bottom plate; the positioning device is respectively connected with the force measuring bottom plate and the detection bottom plate; the force measuring device is arranged on the force measuring bottom plate; the movable seat is slidably arranged on the detection bottom plate and is connected with the force measuring device; the fixed seat is arranged on the detection bottom plate and is opposite to the movable seat, a first detection hole is formed in the fixed seat, and the detection valve and the pressure release valve are both arranged on the fixed seat and are both communicated with the first detection hole; the detection seat is respectively fixed on the movable seat and the fixed seat, and is provided with a detection through hole which is communicated with the first detection hole; two ends of the corrugated pipe are respectively inserted into the detection through holes of the two detection seats. The instrument detects the expansion force of the corrugated pipe through the force measuring device and the movable force measuring bottom plate, and has the advantages of convenience in detection, accurate detection result and simple structure.
Description
Technical Field
The utility model relates to a test instrument, in particular to a corrugated pipe test instrument.
Background
The bellows needs to be tested, mainly the maximum pressure that can be withstood at present. After the corrugated pipe is pressed, the corrugated pipe can be expanded due to the action of pressure, namely the axial length can be increased, the expansion force exists after the corrugated pipe is expanded, and the expansion force can be influenced in some occasions, so that the expansion force value needs to be detected, but the existing corrugated pipe detection equipment can not detect the expansion force and only can detect the pressure.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a corrugated pipe testing instrument which can detect the expansion force of a corrugated pipe, has a simple structure and is convenient to use, and the specific technical scheme is as follows:
a bellows test instrument, includes check valve and relief valve, still includes: detecting the bottom plate; the force measuring bottom plate is slidably mounted on the detection bottom plate; the positioning device is respectively connected with the force measuring bottom plate and the detection bottom plate; the force measuring device is arranged on the force measuring bottom plate; the movable seat is slidably mounted on the detection bottom plate and is connected with the force measuring device; the fixed seat is mounted on the detection bottom plate and is arranged opposite to the movable seat, a first detection hole is formed in the fixed seat, and the detection valve and the pressure release valve are mounted on the fixed seat and are communicated with the first detection hole; the detection seat is respectively fixed on the movable seat and the fixed seat, and is provided with a detection through hole which is communicated with the first detection hole; two ends of the corrugated pipe are respectively inserted into the detection through holes of the two detection seats.
Preferably, the positioning device comprises: the positioning rods are arranged on the positioning holes of the detection bottom plate and are arranged in an array; and the positioning screw rod is arranged on the positioning rod, and the end part of the positioning screw rod is pressed at one end of the force measuring bottom plate.
Preferably, the force measuring device comprises: the force measuring device comprises a force measuring plate or a force measuring sensor, wherein the force measuring plate or the force measuring sensor is fixed on the force measuring bottom plate and is connected with the movable base.
Furthermore, the pressure gauge is fixed on the movable seat, communicated with the detection through hole and used for detecting the pressure in the corrugated pipe.
Preferably, still include a plurality of detection sealing rings, it all fixes to detect the sealing ring detect on the through-hole of seat for sealed detection through-hole and bellows.
Preferably, the detection device further comprises a connecting sealing ring, and the connecting sealing ring is installed between the detection seat and the moving seat and between the detection seat and the fixed seat.
Preferably, the detection device further comprises an end sealing ring, wherein the end sealing ring is mounted on a shaft shoulder in the detection through hole and is arranged opposite to the end of the corrugated pipe.
Further, the end sealing ring is a polytetrafluoroethylene sealing ring.
Preferably, the device further comprises a tension device, wherein the tension device comprises: the ball screw is rotatably arranged on the detection bottom plate; a lead screw nut mounted on the ball screw; the connecting seat is arranged on the force measuring bottom plate and is connected with the screw rod nut; and the hand wheel is fixed at one end of the ball screw.
Further, the counting device further comprises a counter, and the counter is installed on the ball screw.
Compared with the prior art, the utility model has the following beneficial effects:
the corrugated pipe testing instrument provided by the utility model detects the expansion force of the corrugated pipe through the force measuring device and the movable force measuring bottom plate, and has the advantages of convenience in detection, accurate detection result, simple structure and high detection efficiency.
Drawings
FIG. 1 is a schematic diagram of a bellows test instrument;
FIG. 2 is a front view of a bellows test instrument;
FIG. 3 is an assembly view of the movable base, the fixed base and the detecting base;
FIG. 4 is a cross-sectional view of FIG. 3;
FIG. 5 is a schematic view of the movable base;
FIG. 6 is a cross-sectional view of the anchor block;
FIG. 7 is a cross-sectional view of the test socket;
fig. 8 is a schematic structural view of the positioning device.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings.
Example one
As shown in fig. 1 to 8, a bellows test instrument includes a detection valve 51, a pressure relief valve 52, a detection base plate 1, a force measurement base plate 61, a positioning device, a force measurement device, a movable seat 4, a fixed seat 2, and a detection seat 3.
Four feet 12 are arranged at the bottom of the detection bottom plate 1, two linear guide rails 13 are symmetrically arranged at the top of the detection bottom plate 1, a fixed sliding block 14 and a detection sliding block 15 are arranged on the linear guide rails 13, the force measurement bottom plate 61 is fixed on the fixed sliding block 14, the movable seat 4 is fixed on the detection sliding block 15, the fixed seat 2 is fixed at one end of the detection bottom plate 1, and the movable seat 4 is positioned between the fixed seat 2 and the force measurement bottom plate 61. The top of the detection bottom plate 1 is further provided with a plurality of positioning holes 11 in an array mode, and the positioning holes 11 are threaded holes.
As shown in fig. 8, the positioning device includes a positioning rod 62 and two positioning screws 63, two ends of the positioning rod 62 are mounted on the positioning hole 11 through screws, the two positioning screws 63 are mounted on the positioning rod 62 through threads, and two of the positioning screws 63 are symmetrically arranged, and an end of the positioning screw 63 is pressed at one end of the force measuring bottom plate 61 for positioning the force measuring bottom plate 61. The positioning screw 63 facilitates the small-distance adjustment of the position of the force measuring bottom plate 61, and the positioning rod 62 and the positioning hole 11 facilitate the large-distance adjustment of the position of the force measuring bottom plate 61.
The force measuring device comprises a force measuring cell 59 or a force measuring sensor, the force measuring cell 59 is also a tensile machine, the force measuring cell 59 is fixed on a force measuring base plate 61, and a detection rod of the force measuring cell 59 is connected with the movable base 4. The force can be detected when the movable seat 4 is moved. The force sensor can record the detected force, and the reading is convenient and accurate.
As shown in fig. 5, the movable seat 4 is provided with a second detection hole 41, a pressure hole 43 and a communication hole 42, the first detection hole 22 is located at one side of the movable seat 4, the pressure hole 43 is located at the top of the movable seat 4, the communication hole 42 is respectively communicated with the second detection hole 41 and the pressure hole 43, and a pressure gauge 53 is mounted on the pressure hole 43, and the pressure gauge 53 is used for detecting and displaying the pressure inside the bellows 9. The second detection hole 41 is provided with a detection seat 3.
As shown in fig. 6, the fixing base 2 is provided with a first detecting hole 22 and an air inlet 21, the first detecting hole 22 is opposite to the second detecting hole 41, the first detecting hole 22 is a through hole and is communicated with the air inlet 21, the pressure relief valve 52 is fixed on the first detecting hole 22, and the detecting valve 51 is fixed on the air inlet 21. The relief valve 52 may be a needle valve and the relief valve 52 may be a ball valve.
As shown in fig. 7, the bottom of the detection base 3 is provided with a connecting stud 31 and an end face seal groove 35, the top is provided with a detection through hole 32, the detection through hole 32 is arranged along the axis and is a stepped hole, a plurality of hole seal grooves 34 are arranged in the detection through hole 32, a detection seal ring 55 is arranged in the hole seal groove 34, the detection seal ring 55 is limited in the hole seal groove 34, when the corrugated pipe 9 is inserted and pulled out, the detection seal ring 55 cannot be pulled out along with the corrugated pipe 9, the corrugated pipe 9 is convenient to install, and sealing between the corrugated pipe 9 and the detection through hole 32 can be realized. The connecting studs 31 are respectively installed on the first detection hole 22 and the second detection hole 41, a connecting seal ring 57 is installed in the end face seal groove 35, and the connecting seal ring 57 realizes sealing between the detection seat 3 and the movable seat 4 and between the detection seat and the fixed seat 2. An end sealing ring 56 is arranged in the detection through hole 32, the end sealing ring 56 is made of polytetrafluoroethylene, and the end of the corrugated pipe 9 is relatively sharp because the corrugated pipe 9 is a thin-walled pipe, so that the sealing ring made of engineering plastics can realize sealing and is not easy to damage. Two ends of the corrugated pipe 9 are respectively inserted into the detection through holes 32 of the two detection seats 3.
During detection, the positioning rod 62 is firstly loosened, then two ends of the corrugated pipe 9 are respectively inserted into the detection seat 3 on the fixed seat 2 and the detection seat 3 on the movable seat 4, then the positioning rod 62 is installed, and the positioning screw 63 is adjusted to enable the positioning screw 63 to be in contact with the end part of the force measuring bottom plate 61, but the force measuring bottom plate 61 is not extruded, so that the corrugated pipe 9 is in a free state, and the dial of the dynamometer 59 is adjusted to be at a zero position. The check valve 51 is connected with the air supply, open check valve 51, high-pressure gas enters into inlet port 21, then enter into the inside of bellows 9 through first inspection hole 22 and detection through-hole 32, and enter into in intercommunicating pore 42 and pressure port 43 through second inspection hole 41, manometer 53 shows real-time pressure, because take place the inflation after bellows 9 receives pressure, fixing base 2 is immovable, and removal seat 4 can remove, consequently bellows 9 promotes removal seat 4 and presses to dynamometer 59, dynamometer 59 detects the value of the expanding force that current product produced. The detection is simple and convenient, and the detection structure is accurate and reliable. After the detection is completed, the detection valve 51 is closed, the relief valve 52 is opened to discharge the pressure, the positioning rod 62 is removed, and the bellows 9 is removed.
Example two
On the basis of the first embodiment, as shown in fig. 1 and 2, the maximum tensile force that the corrugated pipe 9 can bear under pressure is detected by the tensile force device. The pulling force device includes ball screw 73, screw nut 75, connecting seat 74, hand wheel 78 and counter 77, tail bearing frame 71 and tip bearing frame 76 are equipped with respectively to ball screw 73's both ends, tail bearing frame 71 is installed at the other end of detecting bottom plate 1 through first connecting block 72, tip bearing frame 76 is fixed at the top of fixing base 2, counter 77 is installed at ball screw 73, and be connected with tip bearing frame 76, hand wheel 78 is installed at ball screw 73's tip, and be located one side of counter 77, counter 77 is used for the number of turns of record ball screw 73, thereby show displacement. The connecting socket 74 is mounted on the force measuring base plate 61 via the second connecting block 64 and is connected to a spindle nut 75, the spindle nut 75 being mounted on the ball screw 73.
During the test, take off locating lever 62, then rotate hand wheel 78, make the tensile bellows 9 of removal seat 4, observe the stroke that counter 77 can know to pull out, can know the power value of using of lengthening through dynamometer 59, can know through manometer 53 whether current bellows 9 is pulled apart, when bellows 9 was pulled apart, manometer 53's pressure dropped, the power value that detects this moment is the biggest power value.
One tester realizes two kinds of detection, and has simple structure, convenient detection and accurate and reliable detection structure.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the utility model and should not be construed in any way as limiting the scope of the utility model. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, which shall fall within the scope of the appended claims.
Claims (10)
1. A bellows test instrument comprising a check valve (51) and a pressure relief valve (52), characterized by further comprising:
a detection base plate (1);
the force measuring bottom plate (61), the force measuring bottom plate (61) is installed on the detection bottom plate (1) in a sliding mode;
the positioning device is respectively connected with the force measuring bottom plate (61) and the detection bottom plate (1);
a force measuring device mounted on the force measuring base plate (61);
the movable seat (4) is slidably mounted on the detection bottom plate (1) and is connected with the force measuring device;
the fixed seat (2) is mounted on the detection bottom plate (1) and is arranged opposite to the movable seat (4), a first detection hole (22) is formed in the fixed seat (2), and the detection valve (51) and the pressure release valve (52) are mounted on the fixed seat (2) and are communicated with the first detection hole (22); and
the detection seat (3) is respectively fixed on the movable seat (4) and the fixed seat (2), a detection through hole (32) is formed in the detection seat (3), and the detection through hole (32) is communicated with the first detection hole (22);
two ends of the corrugated pipe (9) are respectively inserted into the detection through holes (32) of the two detection seats (3).
2. A bellows test instrument according to claim 1, wherein the positioning device comprises:
the positioning rods (62), the positioning rods (62) are installed on the positioning holes (11) of the detection bottom plate (1), and the positioning holes (11) are arranged in an array; and
and the positioning screw rod (63) is installed on the positioning rod (62), and the end part of the positioning screw rod (63) is pressed at one end of the force measuring bottom plate (61).
3. A bellows test instrument according to claim 1, wherein the force measuring device comprises: a force gauge (59) or a force sensor, wherein the force gauge (59) or the force sensor is fixed on the force measuring bottom plate (61) and is connected with the movable base (4).
4. A bellows test instrument according to claim 1, further comprising a pressure gauge (53), said pressure gauge (53) being fixed to said movable seat (4) and being in communication with said detection through hole (32) for detecting the pressure inside the bellows (9).
5. A bellows test instrument according to claim 1, further comprising a plurality of test seals (55), wherein the test seals (55) are fixed to the test through holes (32) of the test socket (3) for sealing the test through holes (32) with the bellows (9).
6. A bellows testing instrument according to claim 1, further comprising a connecting seal (57), the connecting seal (57) being mounted between the test seat (3) and the movable seat (4) and the fixed seat (2).
7. A bellows test instrument according to claim 1, further comprising an end seal ring (56), the end seal ring (56) being mounted on a shoulder in the detection through hole (32) opposite the end of the bellows (9).
8. A bellows test instrument according to claim 7, wherein the end seal ring (56) is a Teflon seal ring.
9. A bellows test instrument according to any one of claims 1 to 7, further comprising a tension device comprising:
the ball screw (73), the said ball screw (73) is installed on said detection bottom plate (1) rotatably;
a screw nut (75), the screw nut (75) being mounted on the ball screw (73);
the connecting seat (74) is mounted on the force measuring bottom plate (61) and connected with the screw rod nut (75); and
and the hand wheel (78), wherein the hand wheel (78) is fixed at one end of the ball screw (73).
10. A bellows test instrument according to claim 9, further comprising a counter (77), the counter (77) being mounted on the ball screw (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123220159.9U CN216899953U (en) | 2021-12-19 | 2021-12-19 | Corrugated pipe test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123220159.9U CN216899953U (en) | 2021-12-19 | 2021-12-19 | Corrugated pipe test instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216899953U true CN216899953U (en) | 2022-07-05 |
Family
ID=82206297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123220159.9U Active CN216899953U (en) | 2021-12-19 | 2021-12-19 | Corrugated pipe test instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216899953U (en) |
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2021
- 2021-12-19 CN CN202123220159.9U patent/CN216899953U/en active Active
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