Subway gauge detection device

By designing a sliding clearance plate and switching pin for the subway clearance detection device, the problems of low detection accuracy and complex operation in the existing technology are solved, achieving rapid switching and efficient detection, which is suitable for the detection needs of different clearances.

CN224108807UActive Publication Date: 2026-04-10THE 1ST ENG CO LTD OF CHINA RAILWAY CONSTR ELECTRIFICATION BUREAU GRP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
THE 1ST ENG CO LTD OF CHINA RAILWAY CONSTR ELECTRIFICATION BUREAU GRP
Filing Date
2025-04-22
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing manual fixed-point measurement methods for subway clearance detection are characterized by low accuracy and complex operation, while dedicated measuring instruments are costly, susceptible to environmental factors, and have poor adaptability.

Method used

A subway clearance detection device is designed, which enables rapid switching between different clearances by sliding clearance plates and switching posts. The clearance plate spacing is adjusted by moving the sliding switching component and the movable plate, simplifying operation and improving detection efficiency.

Benefits of technology

It enables rapid switching and high applicability of clearance detection, improves detection accuracy and ease of operation, and reduces equipment costs and the impact of environmental factors.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224108807U_ABST
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Abstract

A subway clearance detection device comprises a supporting plate and a fixed vertical frame arranged on the supporting plate, clearance plates used for detecting clearance are arranged on the two outer side edges of the fixed vertical frame in a sliding mode respectively, and two sets of sliding switching assemblies are symmetrically arranged on the fixed vertical frame. The sliding switching assembly is used for pushing the limiting plate on the adjacent side to move in the transverse direction of the fixed vertical frame so as to carry out detection switching between different limits. Any sliding switching assembly comprises a bottom plate, a movable plate and a switching insertion column, the movable plate is arranged on the bottom plate in a sliding mode, and one end of the movable plate is fixedly connected with the limiting plate on the adjacent side; the bottom plate is fixed to the fixed vertical frame, a plurality of inserting grooves are formed in the bottom plate, penetrating holes are formed in the movable plate, and the switching inserting columns are arranged in the penetrating holes in a penetrating mode and can be inserted into the inserting grooves aligned with the penetrating holes along with sliding of the movable plate. The device is convenient to operate, and can be quickly applied to switching detection among different limits.
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Description

TECHNICAL FIELD

[0001] The utility model relates to subway rail transit detection technical equipment field, and specifically is a subway clearance detection device. BACKGROUND

[0002] Subway and other rail transit becomes the important way of solving the urban traffic congestion problem, in order to guarantee the efficient and safe operation of subway, need to ensure that the train runs in the specific clearance space, therefore, in the subway engineering construction, completion acceptance and daily operation maintenance etc. Link need to carry out strict detection to the space clearance (space clearance includes vehicle clearance, equipment clearance and building clearance) of the scene. Subway clearance detection is usually through artificial fixed point measurement or special measuring instrument to measure the space boundary of subway tunnel, wherein, the artificial fixed point measurement is through personnel in the measuring point using measuring tool to measure the clearance size, record the relevant data of measurement and handle analysis and draw the clearance diagram, in the clearance diagram, mark out the position and over-limit degree of over-limit point. And special measuring instrument is usually through laser, ultrasonic wave, radar etc. Method gathers the information of tunnel section object distance, obtains the relatively accurate clearance detection result through computer processing.

[0003] However, the artificial fixed point measurement method of the prior art has defects such as unscientific measurement method and low precision, and the special measuring instrument is a complete set of detection device composed of multiple components, the device is complex to operate, the cost is high, and the laser equipment in the detection device is easily affected by light, air floaters and other factors in outdoor, and has problems such as misoperation and poor adaptability. Therefore, the applicant proposes a clearance detection device with simple structure, convenient operation and relatively high clearance detection precision. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a subway clearance detection device, which is convenient to operate and can quickly realize switching detection between different clearances.

[0005] In order to solve the above technical problems, the utility model adopts the specific scheme of a subway clearance detection device, which comprises a supporting plate and a fixed stand arranged on the supporting plate, limit boards for detecting clearance are slidably arranged on the two outer sides of the fixed stand, two groups of sliding switching components are symmetrically arranged on the fixed stand, and the sliding switching components are used to push the limit boards on the adjacent side to move along the transverse direction of the fixed stand for switching detection between different clearances.

[0006] Any one group of sliding switching assembly includes a bottom plate, a movable plate and a switching plug post, the movable plate is slidably arranged on the bottom plate, one end of the movable plate is fixedly connected with the adjacent side limiting plate; the bottom plate is fixed on the fixed stand, a plurality of plug slots are formed on the bottom plate, a through hole is formed on the movable plate, the switching plug post is inserted into the through hole and can be inserted into the plug slot aligned with the through hole with the sliding of the movable plate.

[0007] As another optimization scheme of the above subway clearance detection device: a sleeve is arranged on the movable plate, the sleeve is through with the through hole, the switching plug post is inserted into the sleeve, the outer end of the switching plug post is fixed with a handle, a push spring is arranged between the sleeve and the handle.

[0008] As another optimization scheme of the above subway clearance detection device: four guide columns are fixed on any one bottom plate, the guide columns are arranged side by side in pairs, and a strip hole is formed on the movable plate for the guide columns to pass through and slide.

[0009] As another optimization scheme of the above subway clearance detection device: a prompt point is arranged on any one bottom plate corresponding to the position of the plug slot.

[0010] As another optimization scheme of the above subway clearance detection device: any one limiting plate includes a top rubber plate arranged on the top of the fixed stand, a middle upper rubber plate and a middle lower rubber plate arranged on the side of the fixed stand, and a bottom rubber plate arranged below the middle lower rubber plate.

[0011] As another optimization scheme of the above subway clearance detection device: a vertical rod for connecting with the corresponding side movable plate is arranged on the outer side of the fixed stand, the middle upper rubber plate and the middle lower rubber plate are fixed on the vertical rod; two flat rods are slidably arranged on the top of the fixed stand and connected with the upper ends of the corresponding side vertical rods, and the top rubber plate is fixed on the flat rods.

[0012] As another optimization scheme of the above subway clearance detection device: the top rubber plate is installed on the corresponding side flat rod through a hinge, the middle upper rubber plate and the middle lower rubber plate are respectively installed on the corresponding side vertical rod through a hinge, and a reset torsional spring is arranged in the hinge.

[0013] As another optimization scheme of the above subway clearance detection device: the bottom plate is fixed on the track operation vehicle.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] The two limit plates are fixedly connected with the corresponding side slidingly arranged on the base plate, the two limit plates are arranged on the base plate, the distance between the two limit plates is corresponding to the vehicle limit, the equipment limit, the building limit and other different limits, the switching plug column inserted in the perforation of the movable plate can move with the sliding of the movable plate, the two limit plates can move with the movement of the corresponding movable plate, when the switching plug column is inserted into the slot corresponding to the vehicle limit, the distance between the two limit plates can detect the limit of the vehicle limit, when the vehicle limit needs to be switched to the equipment limit and other different limits, the switching plug column is pulled away from the slot corresponding to the vehicle limit, and then the movable plate is pushed to slide, the distance between the two limit plates is changed, when the switching plug column is inserted into the slot corresponding to the equipment limit, the distance between the two limit plates can detect the limit of the equipment limit. The device can quickly adjust the distance between the two limit plates through the insertion cooperation of the switching plug column and the different slots, the operation is simple, the switching suitable for different limits can be quickly realized, the applicability is high, and the limit detection efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view structural schematic diagram of the utility model;

[0017] Figure 2 It is a sectional view structural schematic diagram of the insertion cooperation of the switching plug column and the slot on the base plate under the perspective of top view;

[0018] Figure 3 It is a structural schematic diagram of the switching plug column being inserted into another slot to complete limit switching.

[0019] Figure 4 It is a structural schematic diagram of the switching plug column being inserted into another slot to complete limit switching.

[0020] The drawings show that: 1, track operation vehicle, 2, support plate, 3, sliding switching assembly, 301, base plate, 3011, slot, 302, guide column, 303, switching plug column, 304, movable plate, 3041, perforation, 305, slot hole, 306, sleeve, 307, handle, 308, push spring, 4, fixed stand, 5, limit plate, 501, top rubber plate, 502, middle upper rubber plate, 503, middle lower rubber plate, 504, bottom rubber plate, 6, vertical rod, 7, horizontal rod. DETAILED DESCRIPTION

[0021] The technical scheme of the utility model will be further described in detail in combination with specific embodiments, and the parts not described in detail in the following embodiments of the utility model, such as the shape structure and material of the bakelite plate, the structure and driving mode of the track operation trolley and the like, should be understood as the prior art known or should be known by those skilled in the art.

[0022] As Figure 1 shown, a metro gauge detection device, comprising a support plate 2, a fixed stand 4, two sets of sliding switching components 3 and gauge plates 5, the lower end of the fixed stand 4 welded and assembled by a plurality of steel rods is fixedly arranged on the support plate 2, two sets of gauge plates 5 are respectively arranged on the outer sides of the left and right sides of the fixed stand 4 for gauge detection, two sets of sliding switching components 3 are symmetrically arranged on the front side of the fixed stand 4 for pushing the adjacent side gauge plate 5 to move along the transverse direction of the fixed stand 4, and the spacing between the two gauge plates 5 can be changed according to the gauge detection requirements of different gauges such as vehicle gauge, equipment gauge and building gauge, so that the device can realize the rapid switching between the three gauges of vehicle gauge, equipment gauge and building gauge, and improve the detection efficiency.

[0023] Each set of sliding switching components 3 comprises a bottom plate 301, a movable plate 304 and a switching plug column 303, the bottom plate 301 is fixed on the steel rod arranged in the transverse direction on the front side of the fixed stand 4 by four bolts, four guide columns 302 are vertically fixed on the front side of the fixed stand 4 away from the bottom plate 301, the two guide columns 302 are arranged side by side opposite to each other, the guide column 302 is composed of a small end and a large end, the small end of the guide column 302 is fixed on the bottom plate 301, and the large end of the guide column 302 is fixed on the end of the small end away from the fixed stand 4.

[0024] The movable plate 304 is arranged on the bottom plate 301 and can slide along the transverse direction of the fixed stand 4, the outer sides of the two movable plates 304 are respectively fixedly connected with the corresponding side gauge plate 5, and the two side gauge plates 5 can move and adjust the spacing therebetween with the movement of the movable plate 304. A strip hole 305 is formed on the movable plate 304 corresponding to the position of the guide column 302, and the two strip holes 305 arranged side by side are arranged at intervals along the length direction of the movable plate 304. The guide column 302 is slidably arranged in the strip hole 305 through the small end and can slide along the strip hole 305 to move the movable plate 304, and the large end of the guide column 302 is arranged outside the strip hole 305, the diameter of the large end of the guide column 302 is larger than the maximum width of the strip hole 305, so as to prevent the movable plate 304 from being separated from the bottom plate 301.

[0025] As Figures 1-4As shown, three slots 3011 are arranged on the bottom plate 301 between the two rows of guide columns 302 along the thickness direction of the bottom plate 301, the three slots 3011 are in the same horizontal plane, and the three slots 3011 correspond to the positions detected by the limit plate 5 corresponding to the vehicle limit, the equipment limit and the building limit from left to right in sequence. The type of limit corresponding to each slot 3011 can be adjusted according to actual conditions, and in addition, the number of slots 3011 can be increased according to the increase of different limit types.

[0026] The switching column 303 is slidably arranged in the sleeve 306 and the through hole 3041, the outer end of the switching column 303 is fixed with a circular handle 307 for manually sliding the switching column 303, the diameter of the handle 307 is greater than the diameter of the switching column 303, a pushing spring 308 is arranged between the handle 307 and the outer end of the sleeve 306, one end of the pushing spring 308 is fixed on the handle 307, and the other end abuts against the outer end of the sleeve 306. The switching column 303 is stably arranged in the through hole 3041 by the pushing spring 308, and can be inserted into the slot 3011 aligned with the through hole 3041 under the action of the pushing spring 308.

[0027] As shown in Figure 2 , the switching column 303 is inserted into the slot 3011 corresponding to the equipment limit, at this time, the distance between the two limit plates 5 can meet the limit detection requirements of the equipment limit. During the detection process, when it is needed to switch the equipment limit to the vehicle limit, the switching column 303 inserted into the slot 3011 corresponding to the equipment limit is only needed to be pulled out manually, and then the movable plate 304 is pushed to slide to the left as shown in Figure 3 , the movable plate 304 is slid to the position where the through hole 3041 is aligned with the slot 3011 corresponding to the vehicle limit, then the switching column 303 is loosened, and the switching column 303 is inserted into the corresponding slot 3011 to the state as shown in Figure 4 . When both switching columns 303 are inserted into the corresponding slots 3011, the distance between the two limit plates 5 can detect the limit of the vehicle limit at this time, and the device can be moved to detect the vehicle limit. When it is needed to replace the limit during the detection process, the switching column 303 is only needed to be inserted into the corresponding slot 3011.

[0028] Further, the position corresponding to the slot 3011 on any one of the bottom plates 301 is provided with a prompt point, so as to facilitate the sliding of the movable plate 304 to the position corresponding to the slot 3011, stop moving and release the switching column 303 inserted into the corresponding slot 3011, accelerate the switching of different limits and improve the detection efficiency.

[0029] Further, as shown in Figure 1 The limit plate 5 is slidably connected with the fixed stand 4 through the movable frame, the limit plate 5 is fixed on the outer side of the movable frame, the movable frame includes a vertical rod 6 and a horizontal rod 7, the vertical rod 6 is arranged on the outer side of the fixed stand 4 in the vertical direction and is parallel to the steel rod arranged on the fixed stand 4 in the longitudinal direction, the horizontal rod 7 is arranged on the top of the fixed stand 4 in the horizontal direction and is parallel to the steel rod arranged on the fixed stand 4 in the transverse direction, and the upper end of the vertical rod 6 is connected with the corresponding side horizontal rod 7 through an inclined rod.

[0030] Further, any one of the limit plates 5 includes a top rubber plate 501, a middle upper rubber plate 502, a middle lower rubber plate 503 and a bottom rubber plate 504, the top rubber plate 501 is fixed on the outer side of the horizontal rod 7 through a hinge (not shown in the figure), the middle upper rubber plate 502 and the middle lower rubber plate 503 are respectively fixed on the outer side of the corresponding side vertical rod 6 through a hinge, the bottom rubber plate 504 is fixedly connected with the lower end of the middle lower rubber plate 503, and the lower end of the bottom rubber plate 504 is located on the bottom of the support plate 2. A reset torsion spring is installed in the hinge, the limit plate 5 is elastically installed on the movable frame through the hinge and the reset torsion spring, so that the equipment will not be damaged when the equipment intrudes into the limit during the detection. In addition, the limit plate 5 can be disassembled and replaced according to the different vehicle models used in different cities, thereby improving the application range of the device.

[0031] Further, the bottom of the support plate 2 is fixed on the flat plate of the track operation vehicle 1, the track operation vehicle 1 can reach a speed of 15Km / h at the highest speed according to the line condition, thereby improving the detection efficiency.

Claims

1. A metro gauge detection device, characterized in that: The utility model provides a kind of limit detection device, including support plate (2) and the fixed stand (4) of being arranged on support plate (2), the two outer sides of fixed stand (4) are respectively slidably provided with limit plate (5) for detecting limit, two groups of sliding shift components (3) are symmetrically provided on fixed stand (4), sliding shift component (3) is used to push adjacent limit plate (5) along the transverse movement of fixed stand (4) to carry out detection switching between different limits; Any one group of sliding shift components (3) includes bottom plate (301), movable plate (304) and switching plug post (303), movable plate (304) is slidably arranged on bottom plate (301), one end of movable plate (304) is fixedly connected with adjacent limit plate (5); bottom plate (301) is fixed on fixed stand (4), a plurality of insertion slots (3011) are formed in bottom plate (301), a perforation (3041) is formed in movable plate (304), and the switching plug post (303) is inserted into the insertion slot (3011) aligned with the perforation (3041) by penetrating the perforation (3041) while the movable plate (304) slides.

2. The metro gauge detection device according to claim 1, characterized in that: A sleeve (306) is arranged on the movable plate (304), the sleeve (306) penetrates the perforation (3041), the switching plug post (303) penetrates the sleeve (306), and a handle (307) is fixed to the outer end of the switching plug post (303), and a push spring (308) is arranged between the sleeve (306) and the handle (307).

3. The metro gauge detection device according to claim 1, characterized in that: Any one bottom plate (301) is fixed with four guide columns (302), the guide columns (302) are arranged side by side in pairs, and a strip hole (305) is formed in the movable plate (304) to allow the guide columns (302) to penetrate and slide.

4. The metro gauge detection device according to claim 1, characterized in that: Any one bottom plate (301) is fixed with four guide columns (302), the guide columns (302) are arranged side by side in pairs, and a strip hole (305) is formed in the movable plate (304) to allow the guide columns (302) to penetrate and slide.

5. The metro gauge detection device according to claim 1, characterized in that: Any one bottom plate (301) is provided with a prompt point at the position corresponding to the insertion slot (3011).

6. The metro gauge detection device according to claim 5, characterized in that: Any one limit plate (5) includes a top rubber plate (501) arranged on the top of the fixed stand (4), a middle upper rubber plate (502) and a middle lower rubber plate (503) arranged on the side of the fixed stand (4), and a bottom rubber plate (504) arranged below the middle lower rubber plate (503).

7. The metro gauge detection device according to claim 6, characterized in that: The outer side of the fixed stand (4) is provided with a vertical rod (6) for connecting with the corresponding movable plate (304), and the middle upper rubber plate (502) and the middle lower rubber plate (503) are fixed on the vertical rod (6); the top of the fixed stand (4) is slidably provided with two flat rods (7) connected with the upper ends of the corresponding vertical rods (6), and the top rubber plate (501) is fixed on the flat rods (7).

8. The metro gauge detection device according to claim 1, characterized in that: The top rubber plate (501) is hingedly installed on the corresponding flat rod (7), the middle upper rubber plate (502) and the middle lower rubber plate (503) are hingedly installed on the corresponding vertical rod (6), and a reset torsional spring is arranged in the hinge. The bottom of the support plate (2) is fixed on the track operation vehicle (1).