Universal limit door for metro engineering vehicle
By designing universal boundary doors for subway engineering vehicles, using mounting brackets and fixed components, the problem of traditional boundary doors needing to be redesigned is solved, flexible installation and maintenance is achieved, and installation efficiency is improved.
Patent Information
- Application Number
- CN202422788585.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2034-11-15
AI Technical Summary
The traditional boundary door structure is fixed, and the installation process requires precise positioning and fixing of specific track lines and vehicle types, resulting in redesign and installation when subway lines are renovated or new vehicle types are added, which consumes a lot of manpower and material resources.
A universal limiting door for subway engineering vehicles is designed, using mounting frames and fixing components, including fixing frames, U-shaped mounting frames and connection bolts, allowing the movable installation and disassembly of the fourth limiting plate, the third limiting plate and the second limiting plate to adapt to different usage conditions.
The flexible installation and maintenance of boundary doors is realized, reducing dependence on specific track lines and vehicle types, saving manpower and material resources, and improving installation efficiency.
Smart Images

Figure CN223212360U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of clearance detection of rail vehicles, in particular to a universal clearance door for subway engineering vehicles. Background Art
[0002] A limit gate is a frame-type structure facility installed at a specific location on a rail transit line. Its main function is to limit the outline range of the vehicle, ensure that the vehicle operates within a safe space, and prevent the vehicle from colliding with buildings, equipment or other obstacles around the line due to exceeding the boundary.
[0003] Current limit gates consist of door frames and limit markings. However, the structure of traditional limit gates is fixed, and the installation process often requires precise positioning and fixing for specific track lines and vehicle types. In the case of subway line reconstruction or new vehicle types, traditional limit gates may need to be redesigned and installed, consuming a lot of manpower, material resources and time.
[0004] Therefore, it is necessary to provide a universal limit door for subway engineering vehicles to solve the above-mentioned technical problems. Utility Model Content
[0005] The utility model provides a universal limit door for subway engineering vehicles, which solves the problem that the structure of traditional limit doors is fixed. The installation process often requires precise positioning and fixing for specific track lines and vehicle types. When the subway line is renovated or a new vehicle type is added, the traditional limit door may need to be redesigned and installed, which consumes a lot of manpower, material resources and time.
[0006] In order to solve the above technical problems, the utility model provides a universal limit door for subway engineering vehicles, comprising:
[0007] A mounting frame, wherein the left and right sides of the inner wall of the mounting frame are respectively provided with a fourth limiting plate, a third limiting plate and a second limiting plate from top to bottom;
[0008] a first limiting plate, the first limiting plate being arranged below the mounting frame and between the two second limiting plates;
[0009] Multiple fixing components are respectively arranged between the mounting frame and the fourth limit plate, the third limit plate and the second limit plate. The fixing components include a fixing frame, a U-shaped mounting frame is provided at one end of the fixing frame, a connecting bolt is provided between the fixing frame and the U-shaped mounting frame, and a bolt is provided inside the U-shaped mounting frame.
[0010] Preferably, a threaded sleeve is provided on one side of the fixing frame.
[0011] Preferably, a clamping block is provided at the bottom of the first limit plate.
[0012] Preferably, a track is provided between the two second limiting plates and the first limiting plates.
[0013] Preferably, fixing seats are installed on both the left and right sides of the bottom of the mounting frame, and connecting hooks are provided on both the left and right sides of the bottom of the fixing seat.
[0014] Preferably, a connecting assembly is provided between the mounting frame and the fourth limit plate, and the connecting assembly includes a connecting rod, one end of the connecting rod is connected to a circular block, one side of the circular block is connected to an external threaded block, the surface of the external threaded block is threadedly connected to a threaded sleeve, and the surface sleeve of the connecting rod is provided with a limit block.
[0015] Preferably, the surface of the connecting rod is provided with a mounting assembly, the mounting assembly includes a mounting sleeve, the bottom of the mounting sleeve is connected to a fixing block, the bottom end of the fixing block is connected to the fourth limiting plate, and a limiting ring is provided on one side of the surface of the connecting rod.
[0016] Compared with the related art, the universal limit door for subway engineering vehicles provided by the present invention has the following beneficial effects:
[0017] The utility model provides a universal limit door for subway engineering vehicles. A fixing frame, a U-shaped mounting frame with bolts and a connecting bolt are arranged between the mounting frame and the fourth limit plate, the third limit plate and the second limit plate. The fourth limit plate, the third limit plate and the second limit plate can be movably mounted, disassembled and repaired according to actual usage conditions. The utility model can replace the current fixed design, and the fourth limit plate, the third limit plate and the second limit plate can be selected according to needs. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a structural diagram of a first embodiment of a universal limit door for subway engineering vehicles provided by the utility model;
[0019] Figure 2 for Figure 1 An enlarged schematic diagram of part A is shown;
[0020] Figure 3 for Figure 2 An enlarged schematic diagram of part B is shown;
[0021] Figure 4 This is a structural schematic diagram of a second embodiment of a universal limit door for subway engineering vehicles provided by the utility model.
[0022] Reference numerals in the figure: 1, mounting frame; 2, first limit plate; 3, second limit plate; 4, third limit plate; 5, fourth limit plate; 6, fixing seat; 7, connecting hook;
[0023] 8. Fixing assembly; 81. Fixing bracket; 82. U-shaped mounting bracket; 83. Connecting bolt; 84. Bolt; 85. Threaded sleeve;
[0024] 9. Card block; 10. Track;
[0025] 11. Connecting assembly; 111. Connecting rod; 112. Round block; 113. External thread block; 114. Threaded sleeve; 115. Limit block;
[0026] 12. Installation assembly; 121. Installation sleeve; 122. Fixing block;
[0027] 13. Limiting ring. DETAILED DESCRIPTION
[0028] The present invention will be further described below with reference to the accompanying drawings and implementation examples.
[0029] First embodiment
[0030] Please refer to Figure 1 、 Figure 2 and Figure 3 ,in, Figure 1 This is a structural diagram of a first embodiment of a universal limit door for subway engineering vehicles provided by the utility model; Figure 2 for Figure 1 An enlarged schematic diagram of part A is shown; Figure 3 for Figure 2 A universal clearance door for subway engineering vehicles, comprising:
[0031] A mounting frame 1, wherein the left and right sides of the inner wall of the mounting frame 1 are respectively provided with a fourth limiting plate 5, a third limiting plate 4 and a second limiting plate 3 in sequence from top to bottom;
[0032] a first limiting plate 2 , which is disposed below the mounting frame 1 and between the two second limiting plates 3 ;
[0033] Multiple fixing components 8 are respectively arranged between the mounting frame 1 and the fourth limiting plate 5, the third limiting plate 4 and the second limiting plate 3. The fixing components 8 include a fixing frame 81, a U-shaped mounting frame 82 is provided at one end of the fixing frame 81, a connecting bolt 83 is provided between the fixing frame 81 and the U-shaped mounting frame 82, and a bolt 84 is provided inside the U-shaped mounting frame 82.
[0034] A threaded sleeve 85 is provided on one side of the fixing frame 81 .
[0035] A clamping block 9 is provided at the bottom of the first limit plate 3 .
[0036] The use of the clamping block 9 facilitates the installation of the first limit plate 3 on the ground.
[0037] A rail 10 is provided between the two second limiting plates 3 and the first limiting plate 2 .
[0038] A fixing seat 6 is installed on both the left and right sides of the bottom of the mounting frame 1 , and a connecting hook 7 is provided on both the left and right sides of the bottom of the fixing seat 6 .
[0039] A mounting through hole compatible with the connecting hook 7 is provided on the surface of the fixing seat 6, a thread is provided on the surface of the connecting hook 7, a threaded connecting sleeve is threadedly connected to the surface of the connecting hook 7, and the connecting hook 7 is installed on the ground through concrete. A mounting hole compatible with the fixing frame 81 is provided on the side of the mounting frame 1 to facilitate the installation of the fixing frame 81, and a thread compatible with the threaded sleeve 85 is provided on the surface of the fixing frame 81.
[0040] The working principle of a universal limit door for subway engineering vehicles provided by the utility model is as follows:
[0041] During use, when installing between the fourth limit plate 5, the third limit plate 4 and the second limit plate 3 and the mounting frame 1, first, multiple U-shaped mounting frames 82 are sleeved on the sides of the fourth limit plate 5, the third limit plate 4 and the second limit plate 3, and then multiple bolts 84 are used to pass through the multiple U-shaped mounting frames 82 and fix them to the fourth limit plate 5, the third limit plate 4 and the second limit plate 3. After the U-shaped mounting frames 82 are installed, the connecting bolt 83 is used to connect the U-shaped mounting frame 82 to one end of the fixing frame 81, and finally the fixing frame 81 is passed through the mounting frame 1 and fixed with the fixing frame 81 using the threaded sleeve 85.
[0042] Compared with the related art, the universal limit door for subway engineering vehicles provided by the present invention has the following beneficial effects:
[0043] The utility model provides a universal limit door for subway engineering vehicles. A fixing frame 81, a U-shaped mounting frame 82 with bolts 84, and a connecting bolt 3 are arranged between a mounting frame 1 and the fourth limit plate 5, the third limit plate 4, and the second limit plate 3. The fourth limit plate 5, the third limit plate 4, and the second limit plate 3 can be movably mounted, disassembled, and repaired according to actual usage conditions. The utility model can replace the current fixed design, and the fourth limit plate 5, the third limit plate 4, and the second limit plate 3 can be selected according to needs.
[0044] Second embodiment
[0045] Please refer to Figure 4Based on the universal clearance door for subway engineering vehicles provided in the first embodiment of this application, the second embodiment of this application provides another universal clearance door for subway engineering vehicles. The second embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.
[0046] Specifically, the second embodiment of the present application provides a universal limit door for subway engineering vehicles. The difference is that, in a universal limit door for subway engineering vehicles, a connecting assembly 11 is provided between the mounting frame 1 and the fourth limit plate 5, and the connecting assembly 11 includes a connecting rod 111, one end of the connecting rod 111 is connected to a circular block 112, one side of the circular block 112 is connected to an external threaded block 113, the surface of the external threaded block 113 is threadedly connected to a threaded sleeve 114, and the surface of the connecting rod 111 is sleeved with a limit block 115.
[0047] A mounting through hole that is compatible with the external thread block 113 is provided on the mounting frame 1. The use of the external thread block 113 and the threaded sleeve 114 facilitates the installation of the connecting rod 111 on the mounting frame 1. Matching threads are provided on the surface of the connecting rod 111 and the inner wall of the limiting ring 13. When installed between the mounting frame 1 and the third limiting plate 4 and the second limiting plate 3, the connecting assembly 11 and the mounting assembly 12 can be vertically installed on the side of the mounting frame 1 through the connecting block.
[0048] During use, when installing between the connecting rod 111 and the mounting frame 1, first pass the external thread block 113 at one end of the connecting rod 111 through the mounting frame 1, and then use the threaded sleeve 114 to threadably connect with the external thread block 113. The use of the limit block 115 can play a role in limiting and squeezing and fixing when the mounting sleeve 121 is installed on the surface of the connecting rod 111.
[0049] The surface of the connecting rod 111 is provided with an installation component 12, and the installation component 12 includes a mounting sleeve 121. The bottom of the mounting sleeve 121 is connected to a fixing block 122, and the bottom end of the fixing block 122 is connected to the fourth limiting plate 5. A limiting ring 13 is provided on one side of the surface of the connecting rod 111.
[0050] The working principle of a universal limit door for subway engineering vehicles provided by the utility model is as follows:
[0051] During use, when installing the fourth limit plate 5 and the mounting frame 1, first put the fourth limit plate 5 with the mounting sleeve 121 on the surface of the connecting rod 111, and then use the limiting rod 13 to be put on the surface of the connecting rod 111 to fix the mounting sleeve 121 to fix the fourth limit plate 5.
[0052] Compared with the related art, the universal limit door for subway engineering vehicles provided by the present invention has the following beneficial effects:
[0053] The utility model provides a universal limit door for subway engineering vehicles. A connecting component 11, a mounting component 12 and a limiting ring 13 are arranged between a mounting frame 1 and a fourth limit plate 5, so that the mounting frame 1 and the fourth limit plate 5 can be easily installed and disassembled.
[0054] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A universal limit door for subway engineering vehicles, characterized in that: include: A mounting frame, wherein the left and right sides of the inner wall of the mounting frame are respectively provided with a fourth limiting plate, a third limiting plate and a second limiting plate from top to bottom; a first limiting plate, the first limiting plate being arranged below the mounting frame and between the two second limiting plates; Multiple fixing components are respectively arranged between the mounting frame and the fourth limit plate, the third limit plate and the second limit plate. The fixing components include a fixing frame, a U-shaped mounting frame is provided at one end of the fixing frame, a connecting bolt is provided between the fixing frame and the U-shaped mounting frame, and a bolt is provided inside the U-shaped mounting frame.
2. The universal limit door for subway engineering vehicles according to claim 1, characterized in that: A threaded sleeve is provided on one side of the fixing frame.
3. The universal limit door for subway engineering vehicles according to claim 1, characterized in that: A clamping block is provided at the bottom of the first limiting plate.
4. The universal limit door for subway engineering vehicles according to claim 1, characterized in that: A rail is provided between the two second limiting plates and the first limiting plates.
5. The universal limit door for subway engineering vehicles according to claim 1, characterized in that: A fixing seat is installed on both the left and right sides of the bottom of the mounting frame, and a connecting hook is provided on both the left and right sides of the bottom of the fixing seat.
6. The universal limit door for subway engineering vehicles according to claim 1, characterized in that: A connecting assembly is provided between the mounting frame and the fourth limit plate, and the connecting assembly includes a connecting rod, one end of the connecting rod is connected to a circular block, one side of the circular block is connected to an external thread block, the surface of the external thread block is threadedly connected to a threaded sleeve, and the surface of the connecting rod is provided with a limit block.
7. The universal limit door for subway engineering vehicles according to claim 6, characterized in that: The surface of the connecting rod is provided with an installation component, which includes a mounting sleeve. The bottom of the mounting sleeve is connected to a fixing block, the bottom end of the fixing block is connected to the fourth limiting plate, and a limiting ring is provided on one side of the surface of the connecting rod.
Citation Information
Cited By
Universal limit door for metro engineering vehicle
CN119239683A