Threshold mounting and positioning device for monorail vehicle

Abstract

The invention 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.

Description

Technical Field

[0001] The invention relates to the technical field of monorail vehicles, in particular to a door sill installation and positioning device for monorail vehicles. Background Art

[0002] The monorail vehicle has a riveted body. When installing the door leaf, the center line of the door sill must coincide with the center line of the opening of the two adjacent side walls of the vehicle body. Due to the complex structure of the door, high equipment precision is required. Manual positioning requires repeated adjustments, which is inefficient and difficult to ensure quality.

[0003] At present, the installation of monorail vehicle thresholds has the following difficulties: ① It is difficult to align the center of the threshold with the center line of the vehicle body, and manual positioning is inefficient; ② After positioning deviation, the size cannot be effectively adjusted and reworked, and can only be accepted with concessions, which reduces product quality.

[0004] There are also some positioning structures in the prior art, most of which are in the automotive field and cannot be applied to the installation and positioning of monorail vehicle thresholds; for example, patent CN111702398A discloses a vehicle threshold welding positioning device, which includes a clamping seat and a positioning adjustment mechanism for adjusting the position of the clamping seat, a clamping groove is provided on one side of the clamping seat, a clamping plate is liftably inserted into the top of the inner cavity of the clamping groove, and a clamping adjustment mechanism for adjusting the height of the clamping plate is fixed to the other side of the clamping seat away from the clamping groove. Summary of the invention

[0005] In view of the shortcomings of the prior art, the present invention provides a device for installing and positioning a threshold of a monorail vehicle, so as to achieve the purpose of simple, accurate installation and centering of the vehicle threshold.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0007] The device for installing and positioning the threshold of a monorail vehicle comprises a main frame, a central positioning bracket for aligning with the center line of the vehicle body, and a pair of end connection components for end positioning; the central positioning bracket is arranged at the middle position of the main frame, and the pair of end connection components are respectively arranged at two ends of the main frame, and the end connection components include an end connection bracket and a positioning pin arranged on the end connection bracket, the positioning pin is provided with an insert piece whose number can be increased or decreased to adjust the position, and the end connection bracket is provided with a positioning structure for positioning the threshold.

[0008] Further:

[0009] The main frame is a rod structure.

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

[0011] The center positioning bracket is an L-shaped plate, one end of which is fixed to the main frame by a fastener.

[0012] The positioning structure includes a positioning block for pressing the threshold structure and an adjusting handle for adjusting the position of the positioning block. The positioning block and the end connecting bracket are movably connected through a guide column. The adjusting handle is arranged on the end connecting bracket, and the inner end of the adjusting handle is aligned with the positioning block.

[0013] The end of the inserting piece is provided with an arc groove for clamping on the positioning pin.

[0014] A fixing block is arranged on the outer side of the end connection bracket, a fixing handle is arranged on the fixing block, and a terminal 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 present invention has the following advantages:

[0018] The device for installing and positioning the threshold of a monorail vehicle has a reasonable structural design. The device is fixed to the side wall of the vehicle body by adjusting the fixing handle. The notch position of the center positioning bracket is adjusted by adjusting the number of inserts to ensure that the center line of the entire device coincides with the center line of the vehicle body. At the same time, the left and right side positions of the entire device are fixed by positioning pins. The fixing block is pressed against the threshold bracket by adjusting the adjusting handle of the end connection component, and is clamped in conjunction with the clamp to further position the threshold, and perform drilling and installation operations. The device is suitable for on-site operation and is simple and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The following is a brief description of the contents and symbols in the drawings of this specification:

[0020] Figure 1 It is a schematic diagram of the structure of the positioning device of the present invention.

[0021] Figure 2 It is a schematic diagram of the structure of the end connection assembly of the present invention.

[0022] Figure 3 It is a schematic diagram of the structure of the fixing component of the present invention.

[0023] Figure 4 It is an enlarged schematic diagram of the positioning bracket of the present invention.

[0024] Figure 5 and Figure 6 It is an enlarged schematic diagram of the end structure of the present invention.

[0025] Figure 7 and Figure 8 This is a schematic diagram of the positioning device of the present invention in use.

[0026] In the figure:

[0027] 1-main frame; 2-center positioning bracket; 3-end connection assembly; 4-fixing assembly;

[0028] 31-end connecting bracket; 32-positioning pin; 33-insertion piece; 34-adjusting handle; 35-positioning block;

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

[0030] The specific implementation modes of the present invention will be further explained in detail below through the description of embodiments with reference to the accompanying drawings.

[0031] like Figures 1 to 8 As shown, the installation and positioning device for the threshold of a monorail vehicle comprises a main frame 1, a center positioning bracket 2 for aligning with the center line of the vehicle body, and a pair of end connection components 3 for end positioning.

[0032] The center positioning bracket 2 is arranged in the middle position of the main frame, and a pair of end connection components 3 are respectively arranged at both ends of the main frame; the end connection components include an end connection bracket 31 and a positioning pin 32 arranged on the end connection bracket, and the positioning pin is provided with a plug 33 whose number can be increased or decreased to adjust the position, and the end connection bracket is provided with a positioning structure for positioning the door sill.

[0033] The main frame 1 is a rod structure, preferably a hollow aluminum square tube structure, which is light and easy to operate. The center positioning bracket is provided with an alignment line or an alignment notch; preferably, the alignment notch is used to align the alignment notch with the center line of the vehicle body during positioning, so that the positioning is accurate.

[0034] The center positioning bracket 2 is an L-shaped plate. The center positioning bracket is placed on the aluminum profile square tube structure, and one end is fixed to the main frame by a fastener. The structure is simple, stable and reliable.

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

[0036] Furthermore, an arc groove for clamping on the positioning pin is provided at the end of the plug; when adjusting the position of the main frame so that the central positioning bracket is aligned with the center line of the vehicle body, it is achieved by adjusting the number of plugs. The end arc groove is set, and the adjustment operation is simple.

[0037] The positioning structure includes a positioning block 35 for pressing the threshold structure and an adjusting handle 34 for adjusting the position of the positioning block. The positioning block and the end connecting bracket are movably connected through a guide column. The adjusting handle is arranged on the end connecting bracket through a threaded structure, and the inner end of the adjusting handle is aligned with the positioning block.

[0038] A fixing assembly 4 is provided on the outer side of the end connecting bracket, and the fixing assembly includes a fixing block 41 and a fixing handle 42 provided on the fixing block. One end of the fixing handle is provided with an end structure for aligning with the side wall of the vehicle body; preferably, the end structure is a rubber head.

[0039] The positioning device of the present invention has a reasonable structural design. The device is fixed to the side wall of the vehicle body by adjusting the fixing handle. The notch position of the center positioning bracket is adjusted by adjusting the number of inserts to ensure that the center line of the entire device coincides with the center line of the vehicle body. At the same time, the left and right side positions of the entire device are fixed by using positioning pins. The fixing block is pressed against the threshold bracket by adjusting the adjustment handle of the end connection assembly, and is used in conjunction with the clamp to clamp and further position the threshold, and perform drilling and installation operations. It is suitable for on-site operation and is simple and practical.

[0040] Preferred embodiments of the present invention are:

[0041] The positioning device of the present invention comprises a main frame, a central positioning bracket, an end connection component and a fixing component; the main frame is provided with interfaces of the central positioning bracket and the end connection component, and the overall material is 6061-T6, so as to realize the lightweight of the whole device; the central positioning bracket is connected to the main frame by fasteners, and the notch position of the central positioning bracket coincides with the center line of the main frame; there are two groups of end connection components, including end connection brackets, positioning pins, inserts, adjustment handles and positioning blocks; the positioning pins can lock the end connection brackets on the side walls; the adjustment handle can be rotated and adjusted to adjust the position of the positioning block, so as to realize the fixation of the threshold bracket; the fixing handle can be rotated and adjusted to adjust the position of the fixing block to be pressed tightly to the side wall, so as to realize the fixation of the whole device.

[0042] like Figure 7 and Figure 8 As shown, in actual use, the fixing handle 42 can be rotated to adjust the fixing block 41 to be close to the side wall of the vehicle body to fix the entire device; the notch position of the center positioning bracket 2 can be adjusted by adjusting the number of inserts 33 to ensure that the center line of the entire device coincides with the center line of the vehicle body; at this time, the positioning pin 32 is adjusted to lock the position. The handle 34 and the positioning block 35 are adjusted to press the door sill bracket, and used in conjunction with two clamps to achieve rapid positioning, fixing and installation.

[0043] The present invention has the following advantages: 1. A fixing device is used for centering adjustment to avoid the influence of dimensional deviation on the installation of the door sill; 2. The positioning device is designed with a positioning pin and an adjustment handle, which is fixed by the positioning pin, and the adjustment handle adjusts the position of the fixing block, and is used in conjunction with a clamp to achieve rapid positioning and clamping of the door sill to match the vehicle body for drilling and installation operations, and its operation is simple and convenient.

[0044] The above is only an explanation of the preferred embodiments of the present invention, and the above technical features can be arbitrarily combined to form multiple embodiments of the present invention.

[0045] The present invention is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A device for installing and positioning a threshold of a monorail vehicle, characterized in that: It includes a main frame, a central positioning bracket for aligning with the center line of the vehicle body, and a pair of end connection components for end positioning; the central positioning bracket is arranged in the middle position of the main frame, and the pair of end connection components are respectively arranged at both ends of the main frame, and the end connection components include an end connection bracket and a positioning pin arranged on the end connection bracket, the positioning pin is provided with a plug-in piece whose number can be increased or decreased to adjust the position, and the end connection bracket is provided with a positioning structure for positioning the door sill.

2. The device for installing and positioning the threshold of a monorail vehicle according to claim 1, characterized in that: The main frame is a rod structure.

3. The device for installing and positioning the threshold of a monorail vehicle according to claim 1, characterized in that: The center positioning bracket is provided with an alignment line or an alignment notch.

4. The device for installing and positioning the threshold of a monorail vehicle according to claim 1, characterized in that: The center positioning bracket is an L-shaped plate, one end of which is fixed to the main frame by a fastener.

5. The device for installing and positioning the threshold of a monorail vehicle according to claim 1, characterized in that: The positioning structure includes a positioning block for pressing the threshold structure and an adjusting handle for adjusting the position of the positioning block. The positioning block and the end connecting bracket are movably connected through a guide column. The adjusting handle is arranged on the end connecting bracket, and the inner end of the adjusting handle is aligned with the positioning block.

6. The device for installing and positioning the threshold of a monorail vehicle according to claim 1, characterized in that: The end of the inserting piece is provided with an arc groove for clamping on the positioning pin.

7. The device for installing and positioning the threshold of a monorail vehicle according to claim 1, characterized in that: A fixing block is arranged on the outer side of the end connection bracket, a fixing handle is arranged on the fixing block, and a terminal structure for aligning with the side wall of the vehicle body is arranged at one end of the fixing handle.

8. The device for installing and positioning the threshold of a monorail vehicle as claimed in claim 2, characterized in that: The main frame is a hollow aluminum profile square tube structure.

9. The device for installing and positioning the threshold of a monorail vehicle as claimed in claim 7, characterized in that: The end head structure is a rubber head.

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