CN112361939A

CN112361939A - A sealed unsmooth auxiliary assembly that detects for bridge expansion joint

Info

Publication number: CN112361939A
Application number: CN202011345228.6A
Authority: CN
Inventors: 金立菜
Original assignee: Qingtian Tanzheng Measuring Instrument Co ltd
Current assignee: Qingtian Tanzheng Measuring Instrument Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-02-12

Abstract

The invention discloses a sealing concave-convex detection auxiliary device for a bridge expansion joint, which comprises a detection device, wherein a gas leakage detection mechanism is also arranged in the detection device, a driving mechanism is also arranged in the detection device, an auxiliary mechanism is also arranged in the detection device, the device has a simple structure and is convenient and fast to operate, when the device normally works, a worker can place the device on the expansion joint, then the device is started, and then the device can automatically inflate to ensure that a cavity under the device and a detected rubber expansion joint form a closed space, because the rubber reserved in the device is longer, the gas leakage can not occur even if the device is bumped, if the gas leakage occurs, the expansion joint of the rubber is cracked, and when the device walks on the expansion joint, the bumping can automatically record the bumping times, meanwhile, the bumping times on two sides of the device can be respectively counted, and the working efficiency of the worker is greatly improved, the labor intensity of workers is reduced, and the garbage in the expansion joint is cleaned.

Description

A sealed unsmooth auxiliary assembly that detects for bridge expansion joint

Technical Field

The invention relates to the field of related design of instrument detection, in particular to a sealing concave-convex detection auxiliary device for a bridge expansion joint.

Background

In the modern times, various high-tech products are continuously updated with the development of the times, and in order to prevent unqualified products from being released to the market. The use of a detection device is necessary to effectively reduce the influx of products into the market that do not comply with national standards.

And at present stage, to the detection of bridge expansion joint be usually that relevant staff utilizes the leakproofness of different instruments detection bridge expansion joint to and whether detect the surface at expansion joint uneven, carry out certain clearance to the rubbish in the expansion joint simultaneously, make the rubber can have longer life.

Disclosure of Invention

The invention aims to solve the technical problem of providing auxiliary equipment for detecting the sealing concave-convex of a bridge expansion joint, and overcomes the problems.

The invention is realized by the following technical scheme.

The invention relates to a sealing concave-convex detection auxiliary device for a bridge expansion joint, which comprises a detection device, wherein a gas leakage detection mechanism is also arranged in the detection device, a driving mechanism is also arranged in the detection device, an auxiliary mechanism is also arranged in the detection device, the detection device comprises a working cavity which is also arranged in the detection device, the inner wall of the working cavity is fixedly connected with a rubber sealing baffle, the lower end surface of the detection device is also fixedly connected with a shovel plate, the right cavity wall of the working cavity is also internally provided with a pressure cavity, the pressure cavity is also internally provided with a pressure block, the right end surface of the pressure block is fixedly connected with a pressure reset spring of which the other end is fixedly connected with the right cavity wall of the pressure cavity, the lower end surface of the pressure reset spring is also fixedly connected with an auxiliary contact, the lower cavity wall of the pressure cavity is also internally provided with a contact placing cavity with, an inflation channel is further arranged in the left cavity wall of the working cavity, a plugging block cavity with an upward opening is further arranged in the lower cavity wall of the inflation channel, a plugging block is further arranged in the plugging block cavity, the lower end face of the plugging block is further fixedly connected with a plugging block spring with the other end fixedly connected with the lower cavity wall of the plugging block cavity, the lower end face of the plugging block is fixedly connected with a thin rope, a balance cavity is further arranged in the detection device, a balance block is further arranged in the balance cavity, the upper end face of the balance block is fixedly connected with a pull rope with the other end fixedly connected with the upper cavity wall of the balance cavity, a heavy hammer cavity is further arranged in the detection device, the front cavity wall and the rear cavity wall of the heavy hammer cavity are rotatably connected with a fixed shaft which is fixedly connected with a fixed striking rod, heavy hammers are further arranged in the cavities, displacement cavities with openings towards the left, the detection device is characterized in that the trapezoid block is far away from the other end of the end face fixedly connected with of the heavy hammer cavity and a displacement spring fixedly connected with the wall of the displacement cavity, the upper end face of the trapezoid block is fixedly connected with of a short rope, an inflation cavity is further arranged in the detection device, an inflation block is arranged in the inflation cavity, the other end of the end face fixedly connected with of the inflation block is fixedly connected with of an inflation spring fixedly connected with the lower cavity wall of the inflation cavity, the lower end face of the inflation block is fixedly connected with of the other end of the thick rope, the lower cavity wall of the inflation cavity is further internally provided with the other end of an inflation channel, and the lower.

Further, the driving mechanism comprises a driving cavity which is arranged in the detection device, a motor is fixedly connected to the upper cavity wall of the driving cavity, the motor is in power connection with a power shaft, the power shaft is in splined connection with a driving bevel gear, the power shaft is also in splined connection with a rotating gear, the rotating gear is fixedly connected with the driving bevel gear, a rotating ring groove is further arranged in the rotating gear, a rotating slider is in sliding connection with the rotating ring groove, the lower end face of the rotating slider is also fixedly connected with a rotating spring, the other end of the rotating spring is fixedly connected with the lower cavity wall of the driving cavity, the lower end face of the rotating slider is also fixedly connected with a long rope, the upper cavity wall of the driving cavity is rotatably connected with a cylindrical rotating shaft, the cylindrical rotating shaft is fixedly connected with a cylindrical gear meshed with the rotating gear, and the cylindrical rotating shaft, the lower end face of the disc is connected with a sleeve in a sliding mode, the right end face of the sleeve is fixedly connected with a thick rope, the lower cavity wall of the driving cavity is rotatably connected with a rotating bevel gear shaft, the rotating bevel gear shaft is fixedly connected with a rotating gear and a rotating bevel gear, driven cavities are arranged in the left cavity wall and the right cavity wall of the working cavity, the cavity wall of the driven cavity, which is far away from the working cavity, is rotatably connected with a driven shaft, the other end of the driven shaft is rotatably connected with a shell of the motor, the driven shaft in the driving cavity is fixedly connected with a driven bevel gear, the driven shaft in the driven cavity is fixedly connected with a driving belt wheel, wheel cavities are arranged in the left cavity wall and the right cavity wall of the working cavity, wheel shafts are rotatably connected with the left cavity and the right cavity wall of the wheel cavities, wheels are fixedly connected with the, the push block is arranged in the push block cavity, the other end of the front end face of the push block is fixedly connected with a push block spring fixedly connected with the front cavity wall of the push block cavity, the other end of the thin rope and the other end of the long rope are fixedly connected with the front end face of the push block, and the front cavity wall of the push block cavity is fixedly connected with an electromagnet.

Further, complementary unit is including being located the chamber is placed to the bulb that still is equipped with in the detection device, the intracavity is placed to the bulb is equipped with the glass board, the intracavity is placed to the bulb still is equipped with the bulb, still be equipped with scale chamber and rotatory chamber in the detection device, be located the scale chamber with rotatory chamber back cavity wall rotates and is connected with the axis of rotation, terminal surface fixedly connected with calibrated scale still before the axis of rotation, axis of rotation fixedly connected with serving wheel and dead lever, serving wheel back end face still fixedly connected with other end with scale chamber back cavity wall fixed connection's torsional spring, still around on the serving wheel the other end of short rope.

Furthermore, the pressure of the inflated working cavity is higher than that of the pressure reset spring, the elasticity of the push block spring is larger than that of the blocking block spring, the elasticity of the push block spring is larger than that of the rotating spring, and the rubber sealing block is rubber.

The invention has the beneficial effects that: the device simple structure, the simple operation, the device can place the device on the expansion joint at normal during operation staff, then the device starts, later the device can automatic inflation make cavity and the rubber expansion joint formation enclosure space that detects under the device, because the rubber that the device was reserved is longer, consequently even the device receives jolting and can not appear leaking gas yet, if leak gas then explain the rubber expansion joint crackle has appeared, when the device was walked on the expansion joint simultaneously, the number of times of jolting and meeting automatic recording jolt appears, the number of times of jolting on both sides of device can be counted respectively simultaneously, staff's work efficiency has greatly been improved, staff's intensity of labour has been reduced, and rubbish in the expansion joint has been cleared up.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of the structure A-A of FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of the structure B-B in FIG. 2 according to an embodiment of the present invention;

FIG. 4 is an enlarged schematic view of the embodiment of the present invention at C in FIG. 1;

FIG. 5 is a schematic view of the ratchet structure shown in FIG. 3 according to an embodiment of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The auxiliary sealing concave-convex detection equipment for the bridge expansion joint is described by combining the attached drawings 1-5, and comprises a detection device 10, wherein an air leakage detection mechanism 85 is further arranged in the detection device 10, a driving mechanism 86 is further arranged in the detection device 10, an auxiliary mechanism 87 is further arranged in the detection device 10, the detection device 8 comprises a working chamber 40 which is also arranged in the detection device 10, the inner wall of the working chamber 40 is fixedly connected with a rubber sealing baffle 41, the lower end surface of the detection device 10 is also fixedly connected with a shovel plate 14, the right chamber wall of the working chamber 40 is also provided with a pressure chamber 34, the pressure chamber 34 is also provided with a pressure block 36, the right end surface of the pressure block 36 is fixedly connected with a pressure reset spring 35, the other end of the pressure reset spring is fixedly connected with the right chamber wall of the pressure chamber 34, the lower end surface of the pressure reset spring 35 is also fixedly connected with an auxiliary contact 37, and the lower chamber, the lower cavity wall of the contact placing cavity 38 is further internally provided with an electrifying contact 39, the left cavity wall of the working cavity 40 is further internally provided with an inflating channel 13, the lower cavity wall of the inflating channel 13 is further internally provided with a block cavity 42 with an upward opening, the block cavity 42 is further internally provided with a block 12, the lower end surface of the block 12 is further fixedly connected with a block spring 11 with the other end fixedly connected with the lower cavity wall of the block cavity 42, the lower end surface of the block 12 is fixedly connected with a string 43, the detection device 10 is further internally provided with a balance cavity 31, the balance cavity 31 is further internally provided with a balance weight 33, the upper end surface of the balance weight 33 is fixedly connected with a pull rope 32 with the other end fixedly connected with the upper cavity wall of the balance cavity 31, the detection device 10 is further internally provided with a heavy hammer cavity 67, the front cavity wall and the rear cavity wall of the heavy cavity 67 are rotatably connected with a fixed shaft 82, the fixed shaft 82 is, the wall all is equipped with the opening to the displacement chamber 84 in weight chamber 67 about weight chamber 67, be equipped with trapezoidal block 66 in the displacement chamber 84, trapezoidal block 66 keeps away from the terminal surface fixedly connected with other end in weight chamber 67 with displacement chamber 84 chamber wall fixed connection's displacement spring 83, trapezoidal block 66 up end still fixedly connected with short rope 60, still be equipped with in the detection device 10 and aerify chamber 19, be equipped with inflation block 20 in aerifing the chamber 19, the terminal surface fixedly connected with other end under inflation block 20 with aerify chamber 19 lower chamber wall fixed connection's inflation spring 18, the terminal surface still fixedly connected with under inflation block 20 the other end of thick rope 22, still be equipped with in the chamber wall under inflation chamber 19 the other end of inflation channel 13, the chamber wall still is equipped with gas blowing channel 23 under inflation chamber 19.

Beneficially, the driving mechanism 86 includes a driving cavity 50 located inside the detection apparatus 10, the cavity wall of the driving cavity 50 is fixedly connected with a motor 25, the motor 25 is in power connection with a power shaft 26, the power shaft 26 is in splined connection with a driving bevel gear 27, the power shaft 26 is also in splined connection with a rotating gear 69, the rotating gear 69 is fixedly connected with the driving bevel gear 27, a rotating ring groove 72 is further arranged inside the rotating gear 69, a rotating slider 70 is slidably connected inside the rotating ring groove 72, the lower end face of the rotating slider 70 is also fixedly connected with a rotating spring 79, the other end of the rotating slider is fixedly connected with the lower cavity wall of the driving cavity 50, the lower end face of the rotating slider 70 is also fixedly connected with a long rope 49, the cavity wall of the driving cavity 50 is rotatably connected with a cylindrical rotating shaft 74, the cylindrical rotating shaft 74 is fixedly connected with a cylindrical gear 73 engaged with the rotating gear 69, the cylindrical rotating shaft 74 is further fixedly connected with a disc 75, the lower end face of the disc 75 is slidably connected with a sleeve 77, the right end face of the sleeve 77 is fixedly connected with a thick rope 22, the lower cavity wall of the driving cavity 50 is rotatably connected with a rotating bevel gear shaft 29, the rotating bevel gear shaft 29 is fixedly connected with a rotating gear 30 and a rotating bevel gear 28, driven cavities 16 are respectively arranged in the left cavity wall and the right cavity wall of the working cavity 40, the cavity wall of the driven cavity 16 far away from the working cavity 40 is rotatably connected with a driven shaft 15, the other end of the driven shaft is rotatably connected with a shell of the motor 25, the driven shaft 15 positioned in the driving cavity 50 is fixedly connected with a driven bevel gear 24, the driven shaft 15 positioned in the driven cavity 16 is fixedly connected with a driving belt pulley 17, wheel cavities 47 are respectively arranged in the left cavity wall and the right cavity wall of the working cavity 40, the left cavity wall, the axle 46 is further provided with a groove 44, the axle 46 is connected with the driving pulley 17 through a belt 76, the detection device 10 is further provided with a push block cavity 54, a push block 52 is arranged in the push block cavity 54, the front end surface of the push block 52 is fixedly connected with a push block spring 51, the other end of the push block spring is fixedly connected with the front cavity wall of the push block cavity 54, the front end surface of the push block 52 is also fixedly connected with the other end of the thin rope 43 and the other end of the long rope 49, and the front cavity wall of the push block cavity 54 is fixedly connected with an electromagnet 48.

Beneficially, the auxiliary mechanism 87 comprises a bulb placing cavity 55 which is further arranged in the detection device 10, a glass plate 56 is arranged in the bulb placing cavity 55, a bulb 57 is further arranged in the bulb placing cavity 55, a scale cavity 58 and a rotating cavity 65 are further arranged in the detection device 10, a rotating shaft 59 is rotatably connected to the wall of the back cavity of the scale cavity 58 and the wall of the back cavity of the rotating cavity 65, a dial 64 is further fixedly connected to the front end face of the rotating shaft 59, a rope winding wheel 61 and a fixing rod 62 are fixedly connected to the rotating shaft 59, the other end of the torsion spring 63 is fixedly connected to the wall of the back cavity of the scale cavity 58 and is further fixedly connected to the back end face of the rope winding wheel 61, and the other end of the short rope 60 is further wound on.

Advantageously, the pressure of the working chamber 40 after inflation is greater than the pressure return spring 35, the push block spring 51 has a greater elastic force than the block spring 11, the push block spring 51 has a greater elastic force than the rotation spring 79, and the rubber seal 41 is rubber.

Sequence of mechanical actions of the whole device:

in the initial state: the rotating bevel gear 28 is engaged with the driven bevel gear 24 on the right side, the lock spring 11 is compressed, the rotating spring 79 is compressed, and the rotating gear 69 is engaged with the cylindrical gear 73.

1: firstly, a worker places the device in the expansion joint, at the moment, the motor 25 is started to drive the power shaft 26, the driving bevel gear 27, the rotating gear 69, the cylindrical gear 73, the cylindrical rotating shaft 74, the disc 75 and the sleeve 77 to rotate, so that the thick rope 22 is tensioned and loosened to enable the inflatable block 20 to move up and down, further, gas enters the air blowing channel 23 and the air inflation channel 13 through the air inflation cavity 19, then enters a sealing cavity formed by the rubber sealing baffle 41 and the rubber expansion joint together after passing through the air inflation channel 13, meanwhile, the air blowing channel 23 enters the push block cavity 54 to enable the gas to push the push block 52 to move forward, further, the thin rope 43 and the long rope 49 are loosened, at the moment, the electromagnet 48 and the electrifying contact 39 are electrified, the electromagnet 48 is electrified to enable the push block 52 to be sucked, when the gas in the air inflation channel 13 is enough, at the moment, the pressure of the pressure block 36 moves rightward because of overlarge, meanwhile, the block 12 moves upwards under the action of the block spring 11 due to the loosening of the string 43, so that the inflation channel 13 is blocked, meanwhile, the rotating gear 69 moves upwards due to the loosening of the string 43, so that the rotating gear 69 is disengaged from the cylindrical gear 73, meanwhile, the rotating gear 69 is engaged with the rotating gear 30, because the rotating gear 69 is fixedly connected with the driving bevel gear 27, the rotating gear 69 moves upwards while driving the driving bevel gear 27 to move upwards, so that the driving bevel gear 27 is engaged with the driven bevel gear 24, the rotating gear 69 rotates, so that the rotating gear 30, the rotating bevel gear shaft 29, the rotating bevel gear 28 and the right driven bevel gear 24 are driven to rotate, so that the driven shaft 15, the driving pulley 17, the wheel 45 are driven to rotate, and meanwhile, the driving bevel gear 27 rotates to drive the left driven bevel gear 24 to rotate, so that the driven shaft 15, the driving pulley 17, the wheel shaft 46 and the wheel 45 rotate, so that the detection device 10 moves along the expansion joint, and the movement of the detection device 10 is completed;

2: if there is no problem, the worker finds that the bulb 57 in the detection device 10 does not shine, and the two scales 64 in front of the detection device do not have any scale, if the detection device 10 detects that there is a bump in the walking process, the worker pushes the left trapezoidal block 66 (the right trapezoidal block 66) under the action of the weight 80, so that the short rope 60 is tensioned, so as to drive the rope winding wheel 61 to rotate, so as to drive the rotating shaft 59 to rotate, so as to rotate the scales 64 by a certain angle, after the detection device 10 is completely checked, the worker can know the concave and convex positions by only looking at the scale number of the scales 64, and can more accurately judge which concave and convex positions are formed on which side because of the two scales 64, if the rubber of the expansion joint cracks in the walking process of the detection device 10, the air pressure in the working chamber 40 drops, the pressure block 36 is further moved leftwards under the action of the pressure return spring 35, the auxiliary contact 37 on the lower end face of the pressure block 36 is in contact with the electrified contact 39, the bulb 57 is further lightened, and after the detection device 10 finishes detection, a worker can perform complete detection, and only the whole rubber can be replaced by the worker, so that the safety of the bridge is guaranteed;

3: after the detection device 10 finishes detection, the motor 25 is turned off, the electromagnet 48 and the energized contact 39 are powered off, the electromagnet 48 is powered off, so that the push block 52 moves backwards under the action of the push block spring 51, the thin rope 43 and the long rope 49 are tightened again, at the moment, the blocking block 12 moves downwards and resets, the rotating gear 69 moves downwards and resets simultaneously, the rotating gear 69 and the cylindrical gear 73 are in a meshed state again, and then a worker twists the dial 64 again to drive the rotating shaft 59 to rotate, so that the dial 64 returns to the initial state to prepare for next detection, and the work is completed.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a sealed unsmooth detection auxiliary assembly for bridge expansion joint, includes detection device, its characterized in that: the detection device is also internally provided with a gas leakage detection mechanism, the detection device is also internally provided with a driving mechanism, the detection device is also internally provided with an auxiliary mechanism, the detection device also comprises a working chamber which is positioned in the detection device, the inner wall of the working chamber is fixedly connected with a rubber seal, the lower end surface of the detection device is also fixedly connected with a shovel plate, the right chamber wall of the working chamber is also internally provided with a pressure chamber, the pressure chamber is also internally provided with a pressure block, the right end surface of the pressure block is fixedly connected with a pressure reset spring of which the other end is fixedly connected with the right chamber wall of the pressure chamber, the lower end surface of the pressure reset spring is also fixedly connected with an auxiliary contact, the lower chamber wall of the pressure chamber is also internally provided with a contact placing chamber with an upward opening, the lower chamber wall of the contact placing chamber is also internally provided with an electrifying contact, the left chamber wall of the working, the inner part of the blocking block cavity is also provided with a blocking block, the lower end surface of the blocking block is also fixedly connected with a blocking block spring of which the other end is fixedly connected with the lower cavity wall of the blocking block cavity, the lower end surface of the blocking block is fixedly connected with a thin rope, the inner part of the detection device is also provided with a balance cavity, the upper end surface of the balance cavity is also fixedly connected with a pull rope of which the other end is fixedly connected with the upper cavity wall of the balance cavity, the inner part of the detection device is also provided with a heavy hammer cavity, the front cavity wall and the rear cavity wall of the heavy hammer cavity are rotatably connected with a fixed shaft, the fixed shaft is fixedly connected with a fixed striking rod, the inner part of the heavy hammer cavity is also provided with a heavy hammer, the left cavity wall and the right cavity wall of the heavy hammer cavity are both provided with displacement cavities with openings towards the heavy, the detection device is characterized in that the upper end face of the trapezoid block is also fixedly connected with a short rope, an inflation cavity is further arranged in the detection device, an inflation block is arranged in the inflation cavity, the other end of the lower end face of the inflation block is fixedly connected with an inflation spring fixedly connected with the lower cavity wall of the inflation cavity, the lower end face of the inflation block is also fixedly connected with the other end of the thick rope, the lower cavity wall of the inflation cavity is further internally provided with the other end of an inflation channel, and the lower cavity wall of the inflation cavity is further provided with an inflation channel.

2. The auxiliary device for detecting the sealing unevenness of the bridge expansion joint according to claim 1, wherein: the driving mechanism comprises a driving cavity which is arranged in the detection device, the upper cavity wall of the driving cavity is fixedly connected with a motor, the motor is connected with a power shaft, the power shaft is connected with a driving bevel gear through a spline, the power shaft is also connected with a rotating gear through a spline, the rotating gear is fixedly connected with the driving bevel gear, a rotating ring groove is also arranged in the rotating gear, a rotating slider is connected in the rotating ring groove in a sliding way, the lower end face of the rotating slider is also fixedly connected with a rotating spring, the other end of the rotating spring is fixedly connected with the lower cavity wall of the driving cavity, the lower end face of the rotating slider is also fixedly connected with a long rope, the upper cavity wall of the driving cavity is rotatably connected with a cylindrical rotating shaft, the cylindrical rotating shaft is fixedly connected with a cylindrical gear meshed with the rotating gear, the cylindrical rotating shaft is also fixedly connected with, the right end face of the sleeve is fixedly connected with a thick rope, the lower cavity wall of the driving cavity is rotatably connected with a rotating bevel gear shaft, the rotating bevel gear shaft is fixedly connected with a rotating gear and a rotating bevel gear, the left cavity wall and the right cavity wall of the working cavity are respectively provided with a driven cavity, the cavity wall of the driven cavity far away from the working cavity is rotatably connected with a driven shaft, the other end of the cavity wall of the driven cavity is rotatably connected with a shell of the motor, the driven shaft positioned in the driving cavity is fixedly connected with a driven bevel gear, the driven shaft positioned in the driven cavity is fixedly connected with a driving belt wheel, the left cavity wall and the right cavity wall of the working cavity are respectively provided with a wheel cavity, the left cavity wall and the right cavity wall of the wheel cavity are rotatably connected with a wheel shaft, the wheel shaft is fixedly connected with a wheel, the wheel shaft is also, the other end of the front end face of the push block is fixedly connected with a push block spring fixedly connected with the front cavity wall of the push block cavity, the other end of the thin rope and the other end of the long rope are fixedly connected with the front end face of the push block, and the front cavity wall of the push block cavity is fixedly connected with an electromagnet.

3. The auxiliary device for detecting the sealing unevenness of the bridge expansion joint according to claim 1, wherein: the utility model discloses a detection device for the short rope, including the bulb that is located still be equipped with in the detection device place the chamber, the intracavity is placed to the bulb is equipped with the glass board, the intracavity still is equipped with the bulb to the bulb, still be equipped with scale chamber and rotatory chamber in the detection device, be located the scale chamber with rotatory chamber rear chamber wall rotates and is connected with the axis of rotation, terminal surface fixedly connected with calibrated scale still before the axis of rotation, axis of rotation fixedly connected with serving as go-between and dead lever, serving as go-between and going back the terminal surface still fixedly connected with other end with scale chamber rear chamber wall fixed connection's torsional spring, still around on the serving as go-between the rope the.

4. The auxiliary device for detecting the sealing unevenness of the bridge expansion joint according to claim 1, wherein: the pressure of the inflated working cavity is higher than that of the pressure reset spring, the elasticity of the push block spring is larger than that of the blocking block spring, the elasticity of the push block spring is larger than that of the rotating spring, and the rubber sealing block is rubber.