CN215952752U

CN215952752U - Digital leak detector stability detection device

Info

Publication number: CN215952752U
Application number: CN202122644403.8U
Authority: CN
Inventors: 李玉萍; 李海柱; 蒋芹芹; 虢中月
Original assignee: Shandong Jigao Environmental Engineering Co ltd
Current assignee: Shandong Jigao Environmental Engineering Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-03-04
Anticipated expiration: 2031-11-01

Abstract

The utility model provides a digital leak detector stability detection device, which relates to the technical field of digital leak detectors and comprises a box body, a supporting plate, a placing plate and a clamping assembly, wherein a control panel is fixedly arranged on the front surface of the box body, the supporting plate is fixedly arranged in the box body, the top of the supporting plate is fixedly connected with a plurality of supporting blocks, the placing plate is arranged at the top of each supporting block, a leak detector body is arranged at the top of the placing plate, and the clamping assembly is arranged between the leak detector body and the placing plate and used for clamping and fixing the leak detector body. The device is used through the cooperation of grip block, fixed slot and compression spring, can carry out the centre gripping to the leakage listening appearance body and fix, uses through the cooperation of buffer spring, supporting shoe and chamber door, can reduce the interference sound source, improves the accuracy that detects.

Description

Digital leak detector stability detection device

Technical Field

The utility model relates to the technical field of digital leak detectors, in particular to a digital leak detector stability detection device.

Background

The leakage listening instrument is also called as ground leakage listening instrument and mainly comprises a sound pick-up, a signal processor and an earphone, wherein the working principle is that the ground sound pick-up is used for collecting vibration signals caused by leakage sound, the vibration signals are converted into electric signals to be transmitted to the signal processor to be amplified, filtered and the like, finally, audio signals are transmitted to the earphone, video signals such as graphs, waveforms or numbers and the like are displayed on a display screen to help to determine a water leakage point.

When the leakage detector detects a leakage point on the roadside, the vehicle running on the road surface vibrates the road surface and transmits the leakage detector, the leakage detector slightly shakes, the normal work of the leakage detector is influenced, the stability of the leakage detector is required to be detected by using the stability detection device, the leakage detector shakes by simulating the environment of the ground vibration, then the signal generator simulates the leakage sound and uniformly sends out, the leakage detector receives and converts the leakage sound into a numerical value, and the stability is judged according to the change of the numerical value.

And current detection device is when examining the leakage listening appearance, generally all directly puts the leakage listening appearance on placing the board for the leakage listening appearance is easy with place the board separation, causes the numerical value that the leakage listening appearance received and showed to beat too big, and current leakage listening appearance receives the interference of other sound sources easily when carrying out the stability testing experiment simultaneously, influences the testing result.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the background art and provides a digital leak detector stability detection device, a leak detector body can be clamped and fixed through the matching use of a clamping block, a fixing groove and a pressure spring, and through the matching use of a buffer spring, a supporting block and a box door, interference sound sources can be reduced, and the detection accuracy is improved.

In order to achieve the purpose, the utility model provides the following technical scheme that the digital leak detector stability detection device comprises a box body, a supporting plate, a placing plate and a clamping assembly;

the front side of the box body is fixedly provided with a control panel, a supporting plate is fixedly arranged in the box body, the top of the supporting plate is fixedly connected with a plurality of supporting blocks, the top of each supporting block is provided with a placing plate, and the top of the placing plate is provided with a leak detector body;

and a clamping assembly is arranged between the leak detector body and the placing plate and is used for clamping and fixing the leak detector body.

Further, the centre gripping subassembly includes fixed slot, compression spring and grip block, place the board top and seted up two fixed slots, a plurality of compression springs of the inside fixedly connected with of fixed slot, compression spring is close to the one end fixedly connected with grip block of leak detector body, just the grip block is hugged closely with the leak detector body.

Furthermore, a groove is formed in the top of the supporting block, a return spring is arranged in the groove, the top end of the return spring is connected with the placing plate, and the bottom end of the return spring is connected with the inner wall of the groove.

Further, the inside equipment chamber of having seted up of box, equipment intracavity portion fixed mounting has servo motor, servo motor and control panel electric connection, servo motor one side drive is connected with the dwang.

Further, two through-holes have been seted up on the backup pad surface, two cams of dwang outside fixedly connected with, just the cam top is passed through the through-hole and is placed the board bottom surface and laminate mutually.

Furthermore, the front of the box body is rotatably connected with a box door through a hinge, the surface of the box door is provided with an observation window, and the bottom of the placing plate is fixedly provided with a signal generator.

The utility model provides a digital leak detector stability detection device, which has the following beneficial effects:

1. the leak detector body fixing device has the advantages that when the leak detector body needs to be fixed, the clamping block rebounds under the action of the elastic force of the pressure spring and clamps and fixes the leak detector body through the clamping block, the pressure spring and the placing plate, so that the leak detector body can be fixed on the placing plate, and the problem that when the placing plate moves up and down, the leak detector body is separated from the placing plate under the action of inertia, and the detection result error is large is avoided.

2. Secondly, when carrying out the testing experiment, make the leak detector body be in the enclosed environment through the chamber door, avoid external sound source to cause the interference to the leak detector body, then place the board when removing, through reset spring for place the board and hug closely cam surface under the effect of reset spring elasticity, and then make and place the board and carry out elevating movement along with the rotation of cam, avoid placing the board when going up and down, strike the cam once more with the cam separation back, produce the sound source of interference, influence the testing experiment.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a sectional view of the overall structure of the present invention.

Fig. 3 is a side sectional view of the overall structure of the present invention.

Fig. 4 is a schematic diagram of a placement board structure of the present invention.

Fig. 5 is a diagram of the utility model at point a in fig. 2.

Fig. 6 is an enlarged view of the utility model at B in fig. 2.

In FIGS. 1-6: 1. a box body; 101. a box door; 102. an observation window; 103. a control panel; 2. a support plate; 201. a through hole; 3. a support block; 301. grooving; 302. a return spring; 4. placing the plate; 401. fixing grooves; 402. a pressure spring; 403. a clamping block; 404. a signal generator; 5. a leak listening apparatus body; 6. a servo motor; 601. rotating the rod; 602. a cam.

Detailed Description

Example (b):

referring to figures 1-6 of the drawings,

the digital leak detector stability detection device provided by the embodiment comprises a box body 1, a supporting plate 2, a placing plate 4 and a clamping assembly;

the front surface of the box body 1 is fixedly provided with a control panel 103, the supporting plate 2 is fixedly arranged inside the box body 1, the top of the supporting plate 2 is fixedly connected with a plurality of supporting blocks 3, the top of each supporting block 3 is provided with a placing plate 4, and the top of each placing plate 4 is provided with a leak detector body 5;

a clamping assembly is arranged between the leak detector body 5 and the placing plate 4 and used for clamping and fixing the leak detector body 5.

The placing plate 4 is made of stainless steel materials, the stainless steel materials have the advantages of being good in corrosion resistance and high in mechanical strength, so that the placing plate 4 can resist external erosion after being used for a long time, the service life of the placing plate 4 is prolonged, meanwhile, the surface of the placing plate 4 can be flat and smooth, the situation that the detecting data are affected due to the fact that the placing plate 4 is uneven after being eroded is avoided, and the placing plate 4 has certain abrasion resistance due to the fact that the mechanical strength is high, and the placing plate 4 can bear abrasion of the cam 602;

the placing plate 4 can be made of an aluminum alloy material, the aluminum alloy material has the advantages of being good in corrosion resistance and high in mechanical strength, the manufacturing requirement of the placing plate 4 can be met, the abrasion resistance of the aluminum alloy material is lower than that of a stainless steel material, the placing plate 4 needs to be in contact with the cam 602 frequently, abrasion of the cam 602 is easily caused, and therefore the stainless steel material is selected for manufacturing.

Further, the clamping assembly comprises a fixing groove 401, a pressure spring 402 and a clamping block 403, two fixing grooves 401 are formed at the top of the placing plate 4, the clamping block 403 is arranged inside the fixing groove 401, the clamping block 403 is tightly attached to the leak detector body 5, the pressure spring 402 is fixedly connected to one side of the clamping block 403 away from the leak detector body 5, one end of the pressure spring 402 away from the clamping block 403 is connected to the inner wall of the fixing groove 401, when the leak detector body 5 needs to be fixed, the clamping block 403 is moved, so that the pressure spring 402 is pressed by the clamping block 403 to generate elastic deformation to generate elastic force, then the leak detector body 5 is placed on the placing plate 4 and placed between the two clamping blocks 403, then the clamping block 403 is released, so that the clamping block 403 rebounds under the elastic force of the pressure spring 402 and clamps and fixes the leak detector body 5, so that the leak detector body 5 can be fixed on the placing plate 4, avoid placing board 4 when reciprocating, leak detector body 5 with place board 4 separation under inertial effect, influence the testing data.

Further, the top of the supporting block 3 is provided with a slot 301, the inside of the slot 301 is provided with a return spring 302, the top end of the return spring 302 is connected with the placing plate 4, the bottom end of the return spring 302 is connected with the inner wall of the slot 301, when the placing plate 4 is lifted and moved, the return spring 302 is extruded by the placing plate 4 to generate elastic deformation to generate elastic force, and the elastic force acts on the placing plate 4, so that the placing plate 4 is tightly attached to the surface of the cam 602 under the action of the elastic force of the return spring 302, and the placing plate 4 is lifted and lowered along with the rotation of the cam 602.

Further, the inside equipment chamber of having seted up of box 1, the inside fixed mounting in equipment chamber has servo motor 6, servo motor 6 and control panel 103 electric connection, and the drive of servo motor 6 one side is connected with dwang 601, when carrying out the detection experiment, starts servo motor 6 through control panel 103 for servo motor 6 drive dwang 601 rotates, makes dwang 601 drive two cams 602 rotate.

Further, two through-holes 201 have been seted up on backup pad 2 surface, two cams 602 of dwang 601 outside fixedly connected with, and the top of cam 602 through-hole 201 with place 4 bottom surfaces of board and laminate mutually, and cam 602 hugs closely with placing board 4 again for cam 602 drives and places board 4 and carry out repeated elevating movement, and then makes and places hourglass appearance body 5 on board 4 and rock from top to bottom, and then detects the stability of hourglass appearance body 5.

Further, box 1 openly is connected with chamber door 101 through hinge rotation, chamber door 101 surface is provided with observation window 102, place 4 bottom fixed mounting of board has signal generator 404, can audio-visual observation leak detector body 5's the detection condition through observation window 102, through signal generator 404 simulation leak hunting and even sending, then leak detector body 5 is when rocking from top to bottom, leak detector body 5 receives signal generator 404's signal and converts into numerical value and shows, according to the numerical value change condition that leak detector body 5 shows, judge leak detector body 5's stability good or bad.

When the utility model is used, the door 101 is opened through hinge rotation, then the clamping blocks 403 are moved, the pressure spring 402 is extruded by the clamping blocks 403 to generate elastic force, then the leak detector body 5 is placed on the placing plate 4 and between the two clamping blocks 403, then the clamping blocks 403 are loosened, the clamping blocks 403 are rebounded under the action of the elastic force of the pressure spring 402, the leak detector body 5 is clamped and fixed, the leak detector body 5 can be fixed on the placing plate 4, the situation that the leak detector body 5 is separated from the placing plate 4 under the action of inertia when the placing plate 4 moves up and down to influence detection data is avoided, then the door 101 is closed through hinge rotation to detect, the leak detector body 5 is in a closed environment, the situation that an external sound source interferes with the leak detector body 5 is avoided, then the servo motor 6 is started through the control panel 103, so that the servo motor 6 drives the rotating rod 601 to rotate, the rotating rod 601 drives the two cams 602 to rotate, the cams 602 are tightly attached to the placing plate 4, the cams 602 drive the placing plate 4 to repeatedly move up and down, and further the leak detector body 5 on the placing plate 4 swings up and down, then when the placing plate 4 moves, the return spring 302 is extruded by the placing plate 4 to generate elastic force, and the elastic force acts on the placing plate 4, so that the placing plate 4 is tightly attached to the surface of the cams 602 under the action of the elastic force of the return spring 302, and further the placing plate 4 moves up and down along with the rotation of the cams 602, thereby avoiding that the placing plate 4 collides with the cams 602 again after being separated from the cams 602 when moving up and down, generating an interfering sound source and influencing the detection experiment, meanwhile, the signal generator 404 is started through the control panel 103, the signal generator 404 simulates the water leakage sound and uniformly sends out, then leak listening appearance body 5 is rocking up and down, and leak listening appearance body 5 receives the signal of signal generator 404 and converts into numerical value and shows, and according to the numerical value change condition that leak listening appearance body 5 shows, judges leak listening appearance body 5's stability good or bad, can carry out the accuracy nature that the centre gripping is fixed and the guarantee detected to leak listening appearance body 5 through above structure.

Claims

1. A digital leak detector stability detection device is characterized by comprising a box body, a supporting plate, a placing plate and a clamping assembly;

2. The digital leak detector stability detecting device according to claim 1, wherein the clamping assembly comprises a fixing groove, a pressure spring and a clamping block, two fixing grooves are formed in the top of the placing plate, the plurality of pressure springs are fixedly connected inside the fixing grooves, the clamping block is fixedly connected to one end, close to the leak detector body, of each pressure spring, and the clamping block is tightly attached to the leak detector body.

3. The digital leak detector stability detecting device according to claim 1, wherein a slot is formed at the top of the supporting block, a return spring is arranged in the slot, the top end of the return spring is connected with the placing plate, and the bottom end of the return spring is connected with the inner wall of the slot.

4. The digital leak detector stability detection device according to claim 1, wherein an equipment cavity is formed inside the box body, a servo motor is fixedly installed inside the equipment cavity, the servo motor is electrically connected with the control panel, and a rotating rod is connected to one side of the servo motor in a driving manner.

5. The digital leak detector stability detection device according to claim 4, wherein the support plate has two through holes on its surface, the rotating rod has two cams fixedly connected to its outside, and the top of the cam is attached to the bottom of the placement plate through the through holes.

6. The digital leak detector stability detection device according to claim 1, wherein a box door is rotatably connected to the front surface of the box body through a hinge, an observation window is arranged on the surface of the box door, and a signal generator is fixedly mounted at the bottom of the placement plate.