CN220930729U - Adjustable limit detection device - Google Patents

Abstract

The utility model discloses an adjustable limit detection device which comprises a bottom plate, wherein a connecting seat is fixedly arranged on the bottom plate, a connecting pipe is arranged on the connecting seat, a toothed ring is arranged on the outer wall of the connecting pipe, a spline groove is arranged on the inner wall of the connecting pipe, a mounting frame is arranged at one end of the connecting pipe, a gear and a spline shaft are arranged in the connecting seat, the gear is meshed with the toothed ring on the outer wall of the connecting pipe, a worm wheel is fixedly arranged on the spline shaft, one end of the spline shaft is inserted into the connecting pipe, a turnover motor and a telescopic motor are also arranged on the connecting seat, a worm is fixedly arranged at the output end of the turnover motor, the worm is meshed with the worm wheel, and the output end of the telescopic motor is fixedly connected with the gear. The connecting pipe is installed the mounting bracket on the connecting seat, and telescopic motor can drive the extension and the withdrawal of gear and the ring gear of connecting pipe outer wall to drive the mounting bracket, and the upset motor drives worm drive turbine and rotates, and the integral key shaft cooperates the drive mounting bracket rotation with the spline groove, carries out the state switching to the mounting bracket when transporting and measuring.

Description

Adjustable limit detection device

Technical Field

The utility model belongs to the technical field of tunnel detection equipment, and particularly relates to an adjustable limit detection device.

Background

Along with the development of urban construction, the requirement on traffic volume is gradually increased, and subways are used and developed in various cities as efficient, safe and environment-friendly traffic tools. The subway limit detection is a first defense line for ensuring that the subway vehicle can normally and safely run, and before each subway line runs, the subway limit needs to be detected, so that the subway line equipment or buildings are ensured not to be invaded, and the lines meet the requirement of safe driving.

The advent of the limit detection device replaces the traditional manual fixed point measurement method. The limit detection device commonly used at present is provided with a mechanical limit detection device and a laser limit detection device. Generally, the mechanical limit detection device is fixedly installed on the bottom plate, which is troublesome in transportation and storage, so that an adjustable limit detection device is required to be designed to solve the problems.

Disclosure of utility model

The utility model aims to solve the problem of providing an adjustable limit detection device which is particularly convenient to transport and store.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides an adjustable limit detection device, includes the bottom plate, fixedly is provided with the connecting seat on the bottom plate, be provided with the connecting pipe on the connecting seat, be provided with the ring gear on the connecting pipe outer wall and be provided with the spline groove on the inner wall, the one end of connecting pipe is provided with the mounting bracket, be provided with gear and spline shaft in the connecting seat, the gear with the ring gear of connecting pipe outer wall meshes mutually, fixedly is provided with the worm wheel on the spline shaft, just the one end of spline shaft inserts in the connecting pipe still be provided with upset motor and telescopic motor on the connecting seat, the output of upset motor is fixedly provided with worm, the worm with the worm wheel meshes mutually, telescopic motor's output with gear fixed connection.

Preferably, a transmission case is further arranged between the overturning motor and the connecting seat, the output end of the overturning motor is connected with the input end of the transmission case, and the worm is connected with the output end of the transmission case.

So set up, can increase the moment of torsion through the mutually supporting of transmission case and worm gear, ensure that the mounting bracket can realize normal upset.

Preferably, a plurality of limiting plates are arranged on the mounting frame.

So set up, can detect tunnel inside through a plurality of limiting plates.

Preferably, the bottom plate is further fixedly provided with a fixing column, the top of the fixing column is provided with a first limiting block, a second limiting block and a limiting rod, and the limiting rod is rotatably installed at the top of the fixing column.

So set up, can carry out spacingly to the mounting bracket, avoid the too big worm that leads to of mounting bracket atress to appear damaging with turbine meshing department.

Preferably, an organ protection cover is sleeved outside the connecting pipe between the connecting seat and the mounting frame.

So set up, can protect the ring gear of connecting pipe outer wall.

Preferably, the number of the mounting frame and the telescopic motor is two.

So set up, can drive two mounting brackets upset synchronous rotation respectively through the mutually supporting of two flexible motors, it is convenient to use.

The utility model has the advantages and positive effects that:

According to the utility model, the mounting frame is mounted on the connecting seat through the connecting pipe, a plurality of limiting plates are mounted on the mounting frame to carry out limit detection, the telescopic motor can drive the gear to be meshed and matched with the toothed ring on the outer wall of the connecting pipe to drive the extending and retracting of the mounting frame, the worm is driven to rotate through the output of the turnover motor, and the spline shaft and the spline groove are matched with each other to drive the mounting frame to rotate, so that the state of the mounting frame can be switched during transferring and measuring.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic illustration of an isometric construction of a confinement device of the present utility model;

FIG. 2 is a schematic diagram of the matching structure of the worm wheel and the worm in the connecting seat of the utility model;

FIG. 3 is a schematic view of the fit structure of the inner ring gear and rack of the connecting seat of the present utility model;

FIG. 4 is an enlarged view of the structure at A in FIG. 2;

Fig. 5 is an enlarged view of the structure at B in fig. 3.

The reference numerals are explained as follows:

1. A bottom plate; 2. a connecting seat; 3. a connecting pipe; 4. a toothed ring; 5. spline grooves; 6. a spline shaft; 7. a worm wheel; 8. a worm; 9. a turnover motor; 10. a telescopic motor; 11. a gear; 12. a mounting frame; 13. a limiting plate; 14. fixing the column; 15. a first limiting block; 16. a second limiting block; 17. a limit rod; 18. an organ protective cover; 19. a transmission case.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model is further described below with reference to the accompanying drawings:

Example 1: as shown in fig. 1-5, an adjustable limit detection device comprises a bottom plate 1, a connecting seat 2 is fixedly arranged on the bottom plate 1, a connecting pipe 3 is arranged on the connecting seat 2, a toothed ring 4 is arranged on the outer wall of the connecting pipe 3, a spline groove 5 is arranged on the inner wall of the connecting pipe, a mounting frame 12 is arranged at one end of the connecting pipe 3, a gear 11 and a spline shaft 6 are arranged in the connecting seat 2, the gear 11 is meshed with the toothed ring 4 on the outer wall of the connecting pipe 3, a worm wheel 7 is fixedly arranged on the spline shaft 6, one end of the spline shaft 6 is inserted into the connecting pipe 3, a turnover motor 9 and a telescopic motor 10 are further arranged on the connecting seat 2, a worm 8 is fixedly arranged at the output end of the turnover motor 9, the worm 8 is meshed with the worm wheel 7, and the output end of the telescopic motor 10 is fixedly connected with the gear 11.

Specifically, still be provided with transmission case 19 between upset motor 9 and connecting seat 2, the output of upset motor 9 links to each other with the input of transmission case 19, and worm 8 links to each other with the output of transmission case 19, and the setting can increase the moment of torsion through the mutually supporting of transmission case 19 and worm wheel 7 worm 8 so, ensures that mounting bracket 12 can realize normal upset.

Specifically, a plurality of limiting plates 13 are arranged on the mounting frame 12, and the inside of the tunnel can be detected through the plurality of limiting plates 13.

Specifically, still fixedly provided with fixed column 14 on bottom plate 1, fixed column 14 top is provided with first stopper 15, second stopper 16 and gag lever post 17, and gag lever post 17 rotates the top of installing at fixed column 14, so sets up and can carry out spacingly to mounting bracket 12, avoids mounting bracket 12 atress too big to lead to worm 8 and turbine meshing department to appear damaging.

Specifically, the organ protection cover 18 is sleeved outside the connecting pipe 3 between the connecting seat 2 and the mounting frame 12, and the gear ring 4 on the outer wall of the connecting pipe 3 can be protected through the arrangement.

Specifically, the number of the mounting frames 12 and the number of the telescopic motors 10 are two, so that the two mounting frames 12 can be driven to turn over and synchronously through the mutual cooperation of the two telescopic motors 10, and the use is convenient.

The working procedure of this embodiment is: before the work this device is in initial condition, mounting bracket 12 and bottom plate 1 are in the state that is parallel to each other when initial condition, simultaneously connecting pipe 3 is in shrinkage state, at first rotate gag lever post 17 when needs use, make gag lever post 17 free end rotate to the outside of bottom plate 1, stop after gag lever post 17 rotates to contact with second stopper 16, then telescopic motor 10 begins to rotate, make connecting pipe 3 stretch out from connecting seat 2 through gear 11 and the external tooth ring 4 on connecting pipe 3 mutually support, and mounting bracket 12 also can be promoted when connecting pipe 3 stretches out, telescopic motor 10 stops rotating when connecting pipe 3 promotes mounting bracket 12 to set for the width, upset motor 9 can begin to rotate this moment, drive worm 8 through transmission case 19 and rotate, worm 8 rotates the turbine when rotating, can drive spline shaft 6 after the rotation of worm wheel 7, spline shaft 6 rotates the connecting pipe 3 through spline groove 5 after the rotation, connecting pipe 3 rotates can drive mounting bracket 12 and rotate, upset motor 9 stops rotating after mounting bracket 12 is perpendicular to bottom plate 1, limit detecting device can be along the tunnel along with the vehicle along with the tunnel, limit plate 13 detects the inner wall limit by limiting.

In order to reduce the damage caused by friction between parts, the tooth ring 4 of the connecting pipe 3 needs to be smeared with lubricating grease, and in order to reduce the influence of the lubricating grease on the lubricating effect after being stained with dust, the connecting pipe 3 is also sleeved with an organ protection cover 18, so that the connecting pipe 3 can be protected under the condition of not influencing the extension and retraction of the connecting pipe 3. The limiting rod 17 on the limiting frame can support and protect the mounting frame 12, and damage to the meshing position of the worm wheel 7 and the worm 8 caused by overlarge stress of the mounting frame 12 is avoided.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims (6)

1. An adjustable limit detection device, includes bottom plate (1), its characterized in that: the utility model discloses a connecting device for a motor vehicle, including bottom plate (1), connecting seat (2) is fixed on, be provided with connecting pipe (3) on connecting seat (2), be provided with ring gear (4) and be provided with spline groove (5) on the inner wall on connecting pipe (3) outer wall, the one end of connecting pipe (3) is provided with mounting bracket (12), be provided with gear (11) and integral key shaft (6) in connecting seat (2), gear (11) with ring gear (4) of connecting pipe (3) outer wall meshes mutually, be provided with worm wheel (7) on integral key shaft (6), just the one end of integral key shaft (6) is inserted in connecting pipe (3) still be provided with upset motor (9) and telescopic motor (10) on connecting seat (2), the output of upset motor (9) is fixed to be provided with worm (8), worm (8) with gear (7) mesh mutually, the output of telescopic motor (10) with gear (11) fixed connection.

2. An adjustable clearance detection apparatus according to claim 1, wherein: the bottom plate (1) is fixedly provided with a fixed column (14), the top of the fixed column (14) is provided with a first limiting block (15), a second limiting block (16) and a limiting rod (17), and the limiting rod (17) is rotatably arranged at the top of the fixed column (14).

3. An adjustable clearance detection apparatus according to claim 1, wherein: a plurality of limiting plates (13) are arranged on the mounting frame (12).

4. An adjustable clearance detection apparatus according to claim 1, wherein: a transmission case (19) is further arranged between the overturning motor (9) and the connecting seat (2), the output end of the overturning motor (9) is connected with the input end of the transmission case (19), and the worm (8) is connected with the output end of the transmission case (19).

5. An adjustable clearance detection apparatus according to claim 1, wherein: an organ protection cover (18) is sleeved outside the connecting pipe (3) between the connecting seat (2) and the mounting frame (12).

6. An adjustable clearance detection apparatus according to claim 1, wherein: the number of the mounting frames (12) and the number of the telescopic motors (10) are two.