CN215660221U

CN215660221U - Movable under-vehicle operation supporting platform

Info

Publication number: CN215660221U
Application number: CN202122130320.7U
Authority: CN
Inventors: 逯宏伟; 王要鹏; 王在伟; 刘春振
Original assignee: Zhengzhou CRRC Sifang Rail Vehicle Co Ltd
Current assignee: Zhengzhou CRRC Sifang Rail Vehicle Co Ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-01-28
Anticipated expiration: 2031-09-03

Abstract

The utility model relates to the technical field of train bottom supporting devices, in particular to a movable under-train operation supporting platform which comprises a supporting platform body, wherein the lower end of the supporting platform body is symmetrically provided with a supporting framework, wheels are installed at the lower end of the supporting framework, a horizontal sliding device is installed at the side end of the supporting framework, and a guide wheel is installed at the end part of the horizontal sliding device. According to the utility model, the wheels are arranged at the lower end and the side end of the supporting framework, so that when the device is used, the position of the device is adjusted and moved according to actual needs, and the production and maintenance efficiency is improved; the side end of the supporting framework is connected with the guide wheel through a lead screw, and the lead screw shaft drives the guide wheel to move horizontally by rotating the nut, so that the device is suitable for trenches with different widths; the device is supported and fixed through the support screw rod on the side of the support framework, and the occurrence probability of safety accidents is reduced.

Description

Movable under-vehicle operation supporting platform

Technical Field

The utility model relates to the technical field of train bottom supporting devices, in particular to a movable under-train operation supporting platform.

Background

In city rail train's the manufacturing and maintenance process, a large amount of construction work need be operated at the vehicle bottom, need transfer the train to draw to the track that has the trench during vehicle bottom operation, in the past in the trench work progress, constructor uses temporary support measure to be under construction, because reasons such as the inconvenient removal of temporary support measure, need continuous adjusting position at the work progress, very big influence production efficiency, and temporary support measure is because fixed reason such as insecure, very easily take place the incident, cause the injury to constructor's body and mind.

Therefore, there is a need for a device that overcomes the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems that the support cannot move simultaneously and safety accidents are easy to happen, the utility model provides a movable under-vehicle operation support platform.

The utility model provides a movable under-car operation supporting platform, includes the supporting platform body, and you lower extreme symmetry of supporting platform body is provided with the supporting framework, the wheel is installed to the supporting framework lower extreme, and horizontal sliding device is installed to the side of supporting framework, and the leading wheel is installed to horizontal sliding device's tip.

The supporting framework comprises two first frameworks which are symmetrically arranged at the lower end of the supporting platform, and a second framework is arranged between the two first framework brackets; the upper end of the first framework is fixedly arranged on the lower end face of the supporting platform body, and the lower end of the first framework is at least provided with a universal wheel with a backstop; the upper end of the second framework is fixedly provided with the lower end face of the supporting platform body, and the lower end of the second framework is provided with at least one directional wheel.

The supporting platform comprises a supporting platform body and is characterized in that a reinforcing plate is arranged below the supporting platform body, and the side ends of the reinforcing plate are fixed together with two first frameworks and two second frameworks respectively.

And fixed supporting devices are respectively arranged at two ends of the reinforcing plate.

The fixed supporting device is a supporting screw rod, the supporting screw rod comprises a vertical supporting screw rod and a screw nut, the end part of the reinforcing plate penetrates through an internal thread hole matched with the external thread of the supporting screw rod, and the supporting screw rod penetrates through the internal thread hole.

The horizontal sliding device is a lead screw, the lead screw comprises a lead screw shaft and a nut matched with the lead screw shaft, the upper part of the first framework is provided with a mounting hole in a penetrating mode, the lead screw shaft penetrates through the mounting hole, and the end part of the lead screw shaft extends out of the first framework and the end part of the lead screw shaft is provided with a guide wheel.

The supporting platform is characterized in that reinforcing ribs are symmetrically arranged below the supporting platform body, one end of each reinforcing rib is connected with one first framework on one side, and the other end of each reinforcing rib is connected with the other corresponding first framework.

The utility model has the beneficial effects that: according to the utility model, the wheels are arranged at the lower end and the side end of the supporting framework, so that when the device is used, the position of the device is adjusted and moved according to actual needs, and the production and maintenance efficiency is improved; the side end of the supporting framework is connected with the guide wheel through a lead screw, and the lead screw shaft drives the guide wheel to move horizontally by rotating the nut, so that the device is suitable for trenches with different widths; the device is supported and fixed through the support screw rod on the side of the support framework, and the occurrence probability of safety accidents is reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic illustration of a modified fill of the present invention;

fig. 3 is a front view of the present invention.

In the figure: 1. a support platform body; 2. a support framework; 20. reinforcing ribs; 3. a support lead screw; 4. universal wheels with stoppers; 5. a directional wheel; 6. a guide wheel; 7. a lead screw; 71. a screw shaft; 72. a nut; 8. and (4) digging a trench.

Detailed Description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

Referring to fig. 1 to 3, the utility model discloses a movable under-vehicle operation supporting platform, which comprises a supporting platform body 1, wherein the upper surface of the supporting platform body 1 is flush with the upper end surface of a trench 8.

The lower end surface of the supporting platform body 1 is symmetrically provided with supporting frameworks 2, and reinforcing ribs 20 are connected between the symmetrical supporting frameworks 2.

The wheel is installed to 2 lower extremes of support chassis, specifically, and support chassis 2 includes the first skeleton that vertical symmetry set up, is provided with two vertical second skeletons between two first skeletons.

The upper end of the first framework is fixedly connected with the lower end face of the supporting platform body 1, and the lower end of the first framework is at least provided with a universal wheel 4 with a backstop; the upper end fixed connection of second skeleton is at the lower terminal surface of supporting platform body 1, and one directive wheel 5 is installed at least to the lower extreme of second skeleton, and area backstop universal wheel 4, directive wheel 5 are mature technique, do not give unnecessary detail here.

Preferably, connect fixedly through reinforcing plate (not marked in the figure) between four skeletons, support lead screw 3 is installed at the reinforcing plate both ends, support lead screw 3 includes the support screw of vertical setting, with support screw assorted screw nut, screw nut establishes the below at the reinforcing plate, the reinforcing plate runs through the internal thread that is provided with the external screw thread that matches with support screw, through rotating screw nut, make support screw and trench 8's bottom surface after contacting, through continuing to rotate screw nut, increase screw A and trench 8's frictional force, realize the fixed of platform.

Preferably, a reinforcing rib 20 is connected between the two reinforcing plates.

Preferably, a horizontal sliding device is installed on the upper part of the first framework, a guide wheel 6 is installed at the end part of the sliding device, and the guide wheel 6 is arranged on the outer side of the first framework.

Specifically, horizontal sliding device is lead screw 7, and lead screw 7 is ball, including lead screw axle 71 and nut 72, and the upper portion of first skeleton is run through and is provided with the mounting hole (not marked in the figure), wears to establish lead screw axle 71 in the mounting hole, and the guide pulley 6 is installed to the tip that lead screw axle 71 stretches out outside first skeleton, and during the use, according to the width of trench 8, rotates nut 72, and lead screw axle 71 is horizontal linear motion, and until two guide pulleys 6 support the lateral wall of trench 8.

The length and width of the supporting platform body 1, the height of the supporting framework 2 and the length of the reinforcing ribs 20 can be manufactured according to actual conditions.

The working process of the utility model is as follows:

first, the present apparatus is placed in the trench 8.

Then, the nut 72 is turned according to the actual width of the trench 8, and the screw shaft 71 is linearly slid in the mounting hole until the two guide wheels 6 can be pressed against both side walls of the trench 8.

After that, the device in the trench 8 is moved to a predetermined place, and then the device is positioned by the stopper with the stopper universal wheel 4.

Subsequently, the screw nuts of the supporting screws 3 at the two ends are rotated, the supporting screws rotate in the inner threaded holes of the reinforcing plates, the supporting screws are contacted with the bottom surface of the trench 8, the screw nuts are continuously rotated, the supporting screws tightly abut against the bottom surface of the trench 8, namely, the friction force between the supporting screws and the bottom surface of the trench 8 is increased, and the device is fixed.

And finally, adjusting and pulling the urban rail train on the supporting platform body 1 to carry out the overhaul or manufacturing work of the urban rail train.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the utility model, and the technical scheme after the changes or substitutions can fall into the protection scope of the utility model.

Claims

1. The utility model provides a movable under-car operation supporting platform, includes the supporting platform body, and supporting platform body lower extreme symmetry is provided with the supporting framework, its characterized in that, the wheel is installed to the supporting framework lower extreme, and horizontal sliding device is installed to the side of supporting framework, and the leading wheel is installed to horizontal sliding device's tip.

2. The movable under-vehicle work support platform according to claim 1, wherein the support frame comprises two first frames symmetrically mounted at the lower end of the support platform body, and a second frame is arranged between the two first frame brackets; the upper end of the first framework is fixedly arranged on the lower end face of the supporting platform body, and the lower end of the first framework is at least provided with a universal wheel with a backstop; the upper end of the second framework is fixedly provided with the lower end face of the supporting platform body, and the lower end of the second framework is provided with at least one directional wheel.

3. The movable under-vehicle work support platform according to claim 2, wherein a reinforcing plate is arranged below the support platform body, and side ends of the reinforcing plate are respectively fixed with the two first frameworks and the two second frameworks.

4. The mobile underslung work support platform of claim 3, wherein fixed support means are mounted to each end of said reinforcing plate.

5. The movable under-vehicle operation supporting platform according to claim 4, wherein the fixed supporting device is a supporting screw rod, the supporting screw rod comprises a vertical supporting screw rod and a screw rod nut, an internal thread hole matched with an external thread of the supporting screw rod is arranged at the end of the reinforcing plate in a penetrating mode, and the supporting screw rod penetrates through the internal thread hole.

6. The movable under-vehicle work support platform according to claim 5, wherein the horizontal sliding device is a screw, the screw comprises a screw shaft and a nut engaged with the screw shaft, an upper portion of the first framework is provided with a mounting hole, the screw shaft penetrates through the mounting hole, an end portion of the screw shaft extends out of the first framework, and a guide wheel is mounted on the end portion of the screw shaft.

7. The movable under-vehicle operation support platform according to claim 6, wherein a reinforcing rib is further arranged below the support platform body, one end of the reinforcing rib is connected with one reinforcing plate on one side, and the other end of the reinforcing rib is connected with the other corresponding reinforcing plate.