A through passage top plate installation structure

Abstract

The present invention belongs to the technical field of rail transit equipment, and specifically relates to a through-channel top plate installation structure, wherein a side beam of the top plate assembly is provided with an installation step, and a top screw seat is provided on the installation step. Compared with the prior art, firstly, the arrangement of the top screw seat is increased; secondly, the installation size of the side beam is optimized, and a part of the side beam is removed at the original installation position of the conventional side beam to form the installation step, the side beam and the installation step are a whole, and the installation step is used to accommodate the top screw seat; firstly, the installation step and the top screw seat are loosely connected to the end wall or the body frame of the carriage with a No. 1 bolt, and then the No. 2 bolt is rotated to change the height of the threaded head of the No. 2 bolt protruding from the top screw seat, thereby driving the installation step to move up and down to the desired position, and finally the No. 1 bolt is tightened to complete the installation of the guard plate assembly, and in this process, the installation position of the top plate assembly is adjusted by adjusting the installation position of the side beam; the structure is simple, and the position adjustment process is simple and easy to operate.

Description

Technical field:

[0001] The invention belongs to the technical field of rail transit equipment, and in particular relates to a through-passage top plate installation structure having the function of adjusting the installation position. Background technology:

[0002] The gangway is an internal passage that allows passengers to walk freely from one carriage to another in a rail transit vehicle and makes passengers feel safe and comfortable. The roof assembly is one of the important components of the gangway. The roof assembly is used on the inner top of the connection between two vehicles or carriages to protect the safety of passengers and provide decoration. When in use, the roof assembly is installed on the end wall of the carriage or the body frame through the side beam.

[0003] At present, the roof installation structure on the market basically uses bolts and flat washers to pass through the side beams to install the roof to the end wall of the carriage or the body frame. For example: the large-span flat roof installation structure of the rail vehicle disclosed in Chinese Patent 201210351871.9 includes: a crossbeam, a first to a fourth flat roof frame installed under the crossbeam and arranged in parallel, a first flat roof and a second flat roof hoisted under the flat roof frame, the first and second flat roof frames are located on the outside and are respectively fixed to the first and second partition walls of the vehicle, the third and fourth flat roof frames are located in the central position, and the third and fourth flat roof frames are fixed together by a first connecting member, the first connecting member has a first vertical plate and a first flat plate and a second flat plate extending to both sides in the vertical direction of the first vertical plate, the outer end of the first flat roof is fixed to the first flat roof frame by a second connecting member, the second connecting member has a second vertical plate and a third flat plate perpendicular to the second vertical plate, the inner end of the first flat roof is fixed to the third flat roof frame by a first compression lock, and the inner end of the second flat roof is connected to the fourth flat roof frame by the first connecting member. The first connecting member is a pair of sliding panels, each of which is configured to extend the length of the second connecting member and to extend the length of the second connecting member. The second connecting member is configured to extend the length of the second connecting member and to extend the length of the second connecting member.Chinese Patent No. 201720261420.4 discloses a roof installation structure for a rail vehicle throughway, comprising a roof with a crossbeam, and two roof installation seats, wherein the crossbeams of the roof pass through the transverse channels between the grooves of the corresponding installation seat bodies and the rotating leaves, respectively, and are locked on the installation seat bodies by the corresponding rotating leaves; the roof installation seat comprises a installation seat body with a groove, and a rotating leaf mounted on the installation seat body and rotatable; a transverse channel for passing the crossbeam of the roof is formed between the grooves of the installation seat body and the rotating leaves, and the rotating leaves are used to lock the crossbeam of the roof passing through the transverse channel on the installation seat body; the installation seat body is provided with The locking structure for keeping the rotating page in the locked position, the lower end surface of the mounting seat body is provided with a first threaded hole, the rotating shaft of the rotating page is a first screw installed on the first threaded hole of the mounting seat body, a corrugated elastic washer is provided between the screw head of the first screw and the rotating page, and the mounting seat body is provided with an anti-slip structure to prevent the first screw from falling off from the first threaded hole of the mounting seat body, and the anti-slip structure includes a second threaded hole provided on the side end surface of the mounting seat body, the second threaded hole is connected to the first threaded hole; a second screw is installed on the second threaded hole, and the second screw is laterally pressed on the first screw. However, the top plate component needs to be adjusted in position during installation. Although the above-mentioned mounting structure can be adjusted in position through the mounting hole of the oblong structure, it is time-consuming and laborious to adjust, and it is necessary to frequently tighten and loosen the mounting bolts, and it is difficult to control the adjustment position. Therefore, a through-channel top plate mounting structure is developed to easily and conveniently adjust the installation position, which is of great social and economic value and has broad application prospects. Summary of the invention:

[0004] The purpose of the present invention is to overcome the shortcomings of the prior art and to design a through-channel top plate installation structure that can improve the operability of adjusting the installation position of the top plate.

[0005] In order to achieve the above-mentioned purpose, the through-channel top plate installation structure of the present invention comprises an installation step and a top screw seat; the side beams composed of the top plate are provided with an installation step, and the top screw seat is provided on the installation step.

[0006] The installation step and the top screw seat of the present invention are connected through a No. 1 bolt and a flat washer.

[0007] The side beam and the installation step involved in the present invention are an integrated structure, and 1 to 3 No. 1 installation holes are arranged in the installation step.

[0008] The side of the top screw seat involved in the invention is provided with a No. 2 bolt and a nut; the top screw seat is also provided with a No. 2 mounting hole.

[0009] Compared with the prior art, the present invention has the following advantages: first, a top screw seat is added; second, the installation size of the side beam is optimized, and a part of the side beam is removed at the original installation position of the conventional side beam to form an installation step, the side beam and the installation step are a whole, and the installation step is used to accommodate the top screw seat; first, the installation step and the top screw seat are loosely connected to the end wall of the carriage or the body frame with a No. 1 bolt, and then the No. 2 bolt is rotated to change the height of the threaded head of the No. 2 bolt protruding from the top screw seat, thereby driving the installation step to move up and down to the required position, and finally the No. 1 bolt is tightened to complete the installation of the guard plate assembly. In this process, the installation position of the top plate assembly is adjusted by adjusting the installation position of the side beam; the structure is simple, and the position adjustment process is simple and easy to operate. Description of the drawings:

[0010] Figure 1 It is a schematic diagram of the main structural principle of the present invention.

[0011] Figure 2 It is a cross-sectional view of the main structure of the present invention.

[0012] Figure 3 It is a partial enlarged view of the main structure of the present invention. Specific implementation method:

[0013] The present invention will be further described below by way of embodiments in conjunction with the accompanying drawings.

[0014] Embodiment 1:

[0015] The main structure of the through-channel top plate installation structure involved in the present embodiment includes a top plate component 1, a side beam 2, a mounting step 3, a top screw seat 4, a No. 1 bolt 5, a flat washer 6, a No. 1 mounting hole 7, a No. 2 bolt 8, a nut 9 and a No. 2 mounting hole 10; the side beam 2 of the top plate component 1 is provided with a mounting step 3, the side beam 2 and the mounting step 3 are an integrated structure, the height of the side beam 2 is different from the height of the mounting step 3, the mounting step 3 is provided with a top screw seat 4, the mounting step 3 and the top screw seat 4 are connected by a No. 1 bolt 5 and a flat washer 6, two No. 1 mounting holes 7 with an elliptical structure are provided in the mounting step 3, the side of the top screw seat 4 is provided with a No. 2 bolt 8 and a nut 9, and the top screw seat 4 is also provided with a No. 2 mounting hole 10 with a circular structure.

[0016] When the through-channel top plate installation structure involved in this embodiment is used, the No. 1 bolt 5 is passed through the flat washer 6, the No. 1 installation hole 7 and the No. 2 installation hole 10 in sequence and then screwed into the car end wall or car body frame. Do not tighten the No. 1 bolt 5, so that there are gaps between the No. 1 bolt 5 and the flat washer 6, the flat washer 6 and the mounting step 3, and the mounting step 3 and the top screw seat 4 are in a loose state; at this time, the top screw seat 4 is restricted by the No. 1 bolt 5 and the No. 2 mounting hole 10 and will not move up and down. Because the No. 1 mounting hole 7 is an elliptical structure, the mounting step 3 will move downward under the action of gravity. When the lower edge of the mounting step 3 contacts the threaded head of the No. 2 bolt 8, the No. 2 bolt 8 is rotated to increase or decrease the height of the threaded head of the No. 2 bolt 8 protruding from the top screw seat 4, thereby driving the mounting step 3 to move upward or downward to the desired installation position, and then tighten the No. 1 bolt 5, and tighten the nut 9 to tighten the No. 2 bolt 8 to complete the installation of the top plate component 1. The purpose of adjusting the installation position of the top plate component 1 is achieved by adjusting the position of the side beam 2.

Claims

1. A through-channel top plate installation structure, characterized in that: The main structure includes an installation step and a top screw seat; an installation step is provided on the side beam composed of the top plate, and a top screw seat is provided on the installation step. The installation step and the top screw seat are connected by a No. 1 bolt and a flat washer. The side beam and the installation step are an integrated structure. 1-3 No. 1 installation holes are provided in the installation step. No. 2 bolts and nuts are provided on the side of the top screw seat. A No. 2 installation hole is also opened on the top screw seat. The No. 1 installation hole is an elliptical structure.

2. The through-channel top plate installation structure according to claim 1, characterized in that: When in use, pass the No. 1 bolt through the flat washer, No. 1 mounting hole and No. 2 mounting hole in turn, and then screw it into the end wall of the carriage or the body frame. Do not tighten the No. 1 bolt, so that there are gaps between the No. 1 bolt and the flat washer, the flat washer and the mounting step, and the mounting step and the top screw seat, which are in a loose state; at this time, the top screw seat is restricted by the No. 1 bolt and the No. 2 mounting hole and will not move up and down. Because the No. 1 mounting hole is an elliptical structure, the mounting step will move downward under the action of gravity. When the lower edge of the mounting step contacts the threaded head of the No. 2 bolt, rotate the No. 2 bolt to increase or decrease the height of the threaded head of the No. 2 bolt protruding from the top screw seat, thereby driving the mounting step to move up or down to the desired installation position, then tighten the No. 1 bolt, and tighten the nut to tighten the No. 2 bolt to complete the installation of the top plate assembly. The purpose of adjusting the installation position of the top plate assembly is achieved by adjusting the position of the side beam.

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