Threshold mounting and positioning device for monorail vehicle

By designing the positioning devices of the main frame, center positioning bracket and end connection components, the problem of difficult centering during the installation of monorail vehicle thresholds is solved, simple and accurate positioning and installation are achieved, and work efficiency and product quality are improved.

CN223466200UActive Publication Date: 2025-10-24CRRC PUZHEN BOMBARDIER TRANSPORTATION SYST CO LTD
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Patent Information

Application Number
CN202423057351.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-10-24
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

When installing the threshold of a monorail vehicle, it is difficult to align the center of the threshold with the center line of the vehicle body, manual positioning is inefficient, and the size cannot be adjusted after positioning deviation, affecting product quality.

Method used

A positioning device is designed, which includes a main frame, a center positioning bracket and an end connection assembly. It is fixed to the side wall of the vehicle body through a fixing handle. The position of the center positioning bracket is adjusted by adjusting the number of inserts. The door sill bracket is pressed tightly using a positioning pin and an adjustment handle, and is quickly positioned and installed with a clamp.

Benefits of technology

The system realizes the simple and accurate centering installation of the monorail vehicle door sill, avoids dimensional deviation, and improves work efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223466200U_ABST
Patent Text Reader

Abstract

The utility model discloses a positioning device for mounting a threshold of a monorail vehicle. The positioning device comprises a main frame, a central positioning bracket and a pair of end connecting components, wherein the central positioning bracket is aligned with the central line of a vehicle body of the vehicle; the center positioning support is arranged in the middle of the main frame, the pair of end connecting assemblies are arranged at the two ends of the main frame respectively, each end connecting assembly comprises an end connecting support and a positioning pin arranged on the end connecting support, and the positioning pins are provided with inserting pieces with the number capable of being increased or decreased to adjust the positions. And a positioning structure for positioning the doorsill is arranged on the end connecting bracket. The position of a notch of the center positioning support is adjusted by adjusting the number of inserting pieces so as to ensure that the center line of the whole device coincides with the center line of a vehicle body, meanwhile, positioning pins are used for fixing the positions of the left side and the right side of the whole device, and a fixing block presses a threshold support by adjusting an adjusting handle of an end connecting assembly. The positioning device is matched with a clamp for clamping so as to further position the doorsill; the device is suitable for field operation and is simple and practical.
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Description

TECHNICAL FIELD

[0001] The utility model relates to monorail vehicle technical field especially is related to a kind of monorail vehicle door sill installation positioning device. BACKGROUND

[0002] Monorail vehicle is riveted car body, when installing door leaf, it is required that the center line of door sill coincides with the center line of the opening of adjacent two side walls of car body. Because of the complex structure of vehicle door, high equipment accuracy is required, and repeated adjustment is needed for manual positioning, which is low in working efficiency and difficult to ensure quality.

[0003] The current monorail vehicle door sill installation has the following difficulties: ①the centering of the center of the door sill and the center line of the car body is difficult, and the manual positioning is low in efficiency; ②the size cannot be effectively adjusted and reworked after positioning deviation, and only compromise can be accepted, which reduces the product quality.

[0004] There are also some positioning structures in the prior art, mainly in the field of automobiles, which cannot be used for monorail vehicle door sill installation positioning. For example, patent CN111702398A discloses a vehicle door sill welding positioning device, which comprises a clamping seat and a positioning adjusting mechanism for adjusting the position of the clamping seat. One side of the clamping seat is provided with a clamping groove, and a clamping plate can be inserted into the inner cavity of the clamping groove. The other side of the clamping seat away from the clamping groove is fixed with a pressing adjusting mechanism for adjusting the height of the clamping plate. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a monorail vehicle door sill installation positioning device to achieve the purpose of easy and accurate centering and installation of vehicle door sill.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme:

[0007] The monorail vehicle door sill installation positioning device comprises a main frame, a center positioning support for aligning with the center line of the car body, and a pair of end connection assemblies for end positioning. The center positioning support is arranged at the middle position of the main frame, and the pair of end connection assemblies are arranged at both ends of the main frame. The end connection assembly comprises an end connection support and a positioning pin arranged on the end connection support. The positioning pin is provided with a plurality of inserts that can be increased or decreased in number to adjust the position. The end connection support is provided with a positioning structure for positioning the door sill.

[0008] Further:

[0009] The main frame is a bar structure.

[0010] The center positioning support is provided with an alignment line or an alignment notch.

[0011] The center positioning support is an L-shaped plate, one end of which is fixed on the main frame by fasteners.

[0012] The positioning structure comprises positioning blocks for pressing against the door sill structure and adjusting handles for adjusting the positions of the positioning blocks, the positioning blocks and the end connecting support are movably connected through guide columns, the adjusting handles are arranged on the end connecting support, and inner ends of the adjusting handles are in alignment with the positioning blocks.

[0013] An arc-shaped slot for clamping the positioning pin is arranged at the end of the inserting piece.

[0014] A fixing block is arranged on the outer side of the end connecting support, a fixing handle is arranged on the fixing block, and an end head structure for aligning with the side wall of the vehicle body is arranged at one end of the fixing handle.

[0015] The main frame is a hollow aluminum profile square tube structure.

[0016] The end head structure is a rubber head.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] The device is fixed on the side wall of the vehicle body through the fixing handle, the gap position of the center positioning support is adjusted by adjusting the number of the inserting pieces, so that the center line of the whole device coincides with the center line of the vehicle body, the left and right side positions of the whole device are fixed by the positioning pins, the door sill support is pressed by the fixing block through the adjusting handle of the end connecting assembly, and the door sill is further positioned by clamping and tightening in cooperation with the clamp, drilling and installation operations are carried out, the device is suitable for on-site operation and is simple and practical. BRIEF DESCRIPTION OF DRAWINGS

[0019] The contents expressed by each drawing of the present specification and the marks in the drawings are briefly described as follows:

[0020] Figure 1 It is a structure schematic view of the positioning device of the utility model.

[0021] Figure 2 It is a structure schematic view of the end connecting assembly of the utility model.

[0022] Figure 3 It is a structure schematic view of the fixing assembly of the utility model.

[0023] Figure 4 It is an enlarged schematic view of the positioning support of the utility model.

[0024] Figure 5 And Figure 6 It is an enlarged schematic view of the end structure of the utility model.

[0025] Figure 7 AndFigure 8 The utility model discloses a positioning device usage state schematic drawing.

[0026] In the drawing,

[0027] 1 - main frame, 2 - center positioning support, 3 - end connecting assembly, 4 - fixed assembly,

[0028] 31 - end connecting support, 32 - positioning pin, 33 - insert piece, 34 - adjusting handle, 35 - positioning block,

[0029] 41 - fixed block, 42 - fixed handle. DETAILED DESCRIPTION

[0030] The specific embodiments of the utility model are further explained in detail by the description of the embodiments with reference to the drawings.

[0031] As Figures 1 to 8 shown, the device for monorail vehicle door sill installation and positioning comprises a main frame 1, a center positioning support 2 for aligning with the center line of the vehicle body and a pair of end connecting assemblies 3 for end positioning.

[0032] The center positioning support 2 is arranged at the middle position of the main frame, and the pair of end connecting assemblies 3 are respectively arranged at the two ends of the main frame; the end connecting assembly comprises an end connecting support 31 and a positioning pin 32 arranged on the end connecting support; the positioning pin is provided with an insert piece 33 capable of adjusting the position by increasing or decreasing the number; and the end connecting support is provided with a positioning structure for positioning the door sill.

[0033] The main frame 1 is a bar structure, preferably a hollow aluminum profile square tube structure, which is light in weight and easy to operate.

[0034] The center positioning support 2 is an L-shaped plate, which is arranged on the aluminum profile square tube structure, and is fixed on the main frame at one end through a fastener, so that the structure is simple, stable and reliable.

[0035] The end connecting support is a plate structure, the end of the main frame is fixedly connected with the inner side of the end connecting support through a connecting plate to form an integral structure; the positioning pin is arranged at one end of the end connecting support, the axis of the positioning pin is arranged in parallel with the axis of the main frame, and the positioning structure is arranged at the other end of the end connecting support.

[0036] Further, the end of the insert piece is provided with an arc-shaped groove for clamping on the positioning pin; when the center positioning support is aligned with the center line of the vehicle body by adjusting the position of the main frame, the number of the insert pieces is adjusted to achieve the setting of the arc-shaped groove at the end, and the adjustment operation is simple.

[0037] The positioning structure comprises a positioning block 35 for pressing the door sill structure and an adjusting handle 34 for adjusting the position of the positioning block, the positioning block and the end connecting support are movably connected through guide columns, the adjusting handle is arranged on the end connecting support through a threaded structure, and the inner end of the adjusting handle is in alignment with the positioning block.

[0038] An outer side of the end connecting support is provided with a fixing assembly 4, which comprises a fixing block 41 and a fixing handle 42 arranged on the fixing block, one end of the fixing handle is provided with an end head structure for alignment with the side wall of the vehicle body; preferably, the end head structure is a rubber head.

[0039] The positioning device has a reasonable structure design, the device is fixed to the side wall of the vehicle body through the fixing handle adjustment, the gap position of the center positioning support is adjusted by adjusting the number of the insertion pieces, so that the center line of the whole device is coincided with the center line of the vehicle body, the left and right side positions of the whole device are fixed by using the positioning pins, the fixing block is pressed against the door sill support by adjusting the adjusting handle of the end connecting assembly, and the door sill is further positioned by using the clamps in cooperation, drilling and installation operations are performed; the device is suitable for on-site operation and is simple and practical.

[0040] The specific examples of the utility model are as follows:

[0041] The positioning device comprises a main frame, a center positioning support, an end connecting assembly and a fixing assembly; the main frame is provided with an interface of the center positioning support and the end connecting assembly, the overall material is 6061-T6, the light weight of the whole device is realized; the center positioning support is connected with the main frame through a fastener, the gap position of the center positioning support is coincided with the center line of the main frame; the end connecting assembly has two groups, which comprises an end connecting support, a positioning pin, an insertion piece, an adjusting handle and a positioning block; the positioning pin can lock the end connecting support on the side wall; the adjusting handle can be rotated and adjusted to adjust the position of the positioning block, so that the door sill support is fixed; the fixing handle can be rotated and adjusted to adjust the position of the fixing block to be pressed to the side wall, so that the whole device is fixed.

[0042] As shown in Figure 7 and Figure 8 in the actual use process, the fixing block 41 can be adjusted to be close to the side wall of the vehicle body by rotating the fixing handle 42 during use, the whole device is fixed; the gap position of the center positioning support 2 is adjusted by adjusting the number of the insertion pieces 33, so that the center line of the whole device is coincided with the center line of the vehicle body; at this time, the position of the positioning pin 32 is adjusted and locked. The door sill support is pressed by the adjusting handle 34 and the positioning block 35, and two clamps are used in cooperation, so that rapid positioning, fixing and installation are realized.

[0043] The utility model has the advantages of: 1, using the fixing device to carry out the centering adjustment, avoid the influence of size deviation to the threshold installation, 2, the positioning device designs the positioning pin and the adjusting handle, fixes through the positioning pin, the adjusting handle adjusts the fixed block position, and cooperates with the clamp to use, realizes the quick positioning and clamping of threshold, matches the drilling and installation operation of car body, and its operation mode is simple and convenient.

[0044] The above is only the preferred embodiment of the utility model, and the above technical features can be combined to form multiple embodiment schemes of the utility model.

[0045] The utility model has been described above in conjunction with the drawings, and obviously, the specific implementation of the utility model is not limited by the above mode, as long as various non-essential improvements are made by adopting the concept and technical scheme of the utility model, or the concept and technical scheme of the utility model is directly applied to other occasions without improvement, which are all within the protection scope of the utility model.

Claims

1. A monorail vehicle sill mounting positioning device, characterized by: The main frame, a center positioning support for alignment with the center line of the vehicle body, and a pair of end connecting assemblies for end positioning; the center positioning support is arranged at the middle of the main frame, and the pair of end connecting assemblies are arranged at the two ends of the main frame respectively; the end connecting assembly comprises an end connecting support and a positioning pin arranged on the end connecting support, the positioning pin is provided with a plurality of adjusting-positioning inserts which can be increased or decreased in number, and the end connecting support is provided with a positioning structure for positioning the rocker panel.

2. The monorail vehicle sill mounting positioning device of claim 1, wherein: The main frame is a bar structure.

3. The monorail vehicle sill mounting positioning device of claim 1, wherein: The center positioning support is provided with an alignment line or an alignment notch.

4. The monorail vehicle sill mounting positioning device of claim 1, wherein: The center positioning support is an L-shaped plate, one end of which is fixed on the main frame by fasteners.

5. The monorail vehicle sill mounting positioning device of claim 1, wherein: The positioning structure comprises a positioning block for pressing the rocker panel structure and an adjusting handle for adjusting the position of the positioning block, the positioning block and the end connecting support are movably connected through guide columns, the adjusting handle is arranged on the end connecting support, and the inner end of the adjusting handle is in alignment with the positioning block.

6. The monorail vehicle sill mounting positioning device of claim 1, wherein: The end of the insert is provided with an arc-shaped groove for clamping on the positioning pin.

7. The monorail vehicle sill mounting positioning device of claim 1, wherein: The outer side of the end connecting support is provided with a fixing block, the fixing block is provided with a fixing handle, and one end of the fixing handle is provided with an end structure for alignment with the side wall of the vehicle body.

8. The monorail vehicle sill mounting positioning device of claim 2, wherein: The main frame is a hollow aluminum profile square tube structure.

9. The monorail vehicle sill mounting positioning device of claim 7, wherein: The end structure is a rubber head.

Citation Information

Cited By

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