Mounting structure of portal crane track beam
By designing a combined structure of straight plate fixed beams, L-shaped connecting blocks and columns, the existing door beams have large space occupied and complex installation and maintenance problems have been solved, space saving and cost reduction have been achieved, and the stability and easy maintenance of the door machine system have been ensured. .
Patent Information
- Application Number
- CN202322891507.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-10-27
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2033-10-27
AI Technical Summary
The door beams of the existing platform doors occupy a large space, are complex in installation and maintenance, and are costly, which limits economicality and maintenance efficiency.
Design a door machine track beam installation structure, adopting a combination of straight plate fixed beams, L-shaped connecting blocks and columns, and is fixed by bolts to reduce the space occupied above, and is fixed by T-shaped grooves and nuts and bolts to simplify the installation process.
It achieves space saving, installation and maintenance convenience and cost reduction, ensures the stable structure of the door machine system, and improves market competitiveness.
Smart Images

Figure CN222136734U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of rail transit platform doors, and in particular relates to an installation structure of a door machine track beam. Background Art
[0002] With the widespread application of platform doors in rail transit fields such as subways, light rails, and high-speed rails, higher requirements are placed on the material economy and installation and maintenance of platform doors.
[0003] At present, the door machine beams of platform doors are mostly L-shaped aluminum profiles, which are relatively expensive. Usually, the L-shaped lateral extension arm is connected to the upper crossbeam of the platform door installation frame, which occupies a large space, limits the entire upper installation and maintenance space, and makes installation and maintenance more complicated. Summary of the invention
[0004] The utility model aims to provide a mounting structure for a gantry crane track beam in view of the deficiencies in the prior art, which occupies a small space, has a simple structure, is easy to install and maintain, and is highly economical.
[0005] The purpose of the utility model is achieved in this way:
[0006] A mounting structure for a gantry crane track beam comprises a fixed beam and two columns, wherein the fixed beam is fixedly connected to the two columns via two L-shaped connecting blocks, the fixed beam is a straight plate, and the front side of the fixed beam is provided with four mounting grooves extending longitudinally along the fixed beam, the four mounting grooves are parallel to each other, and are used to respectively install the L-shaped connecting block, the motor, and the guide rail, a positioning portion extending laterally out of the front side is provided at the lower end of the fixed beam, and the positioning portion is used to position and support the guide rail, the vertical arm of the L-shaped connecting block is connected and fixed to the two mounting grooves of the fixed beam by bolts, the horizontal arm of the L-shaped connecting block is fixedly connected to the column by bolts, the motor is connected and fixed to the two mounting grooves of the fixed beam by bolts, and the guide rail is fixedly connected to the lowest mounting groove by bolts.
[0007] The length of the fixed beam is the total length of the two sliding doors when they are fully opened.
[0008] The four installation grooves are all T-shaped grooves, which are respectively inserted into the T-shaped grooves through bolt heads, and the L-shaped connecting block, the motor, and the guide rail are fixedly connected to the fixed beam by nuts and bolts.
[0009] The guide rail is L-shaped, the vertical arm of the guide rail is fixedly connected to the fixed beam by bolts, and the extending end of the horizontal arm of the guide rail is provided with a guide rail protruding upward.
[0010] A rectangular opening clearance groove is arranged in the middle section of the horizontal arm of the L-shaped connection block, the column is located in the clearance groove, and the L-shaped connection block is fixedly connected with two limit blocks arranged on the column by bolts.
[0011] The beneficial effects of the utility model are as follows: a mounting structure for a gantry track beam, comprising a fixed beam, an L-shaped connecting block, and a column. The front of the fixed beam is provided with four mounting grooves extending longitudinally along the fixed beam, the four mounting grooves are parallel to each other, and are respectively used to install the L-shaped connecting block, the motor, and the guide rail. The lower end of the fixed beam is provided with a positioning portion extending transversely from the front, which is used to position the support guide rail, ensure the stability of the gantry system structure, and facilitate operation, and can be integrated by bolts. A rectangular opening clearance groove is provided in the middle section of the horizontal arm of the L-shaped connecting block, and the column is located in the clearance groove and fixedly connected to two limit blocks provided on the column by bolts, so as to realize the fixed connection of the straight plate fixed beam to the two columns through two L-shaped connecting blocks, thereby reducing the space occupied above the fixed beam, facilitating installation and maintenance, and at the same time reducing the amount of aluminum profiles used for the fixed beam, thereby improving market competitiveness. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a schematic diagram of the installation structure of the gantry crane track beam of the utility model;
[0013] Figure 2 for Figure 1 Sectional view along AA direction;
[0014] Figure 3 for Figure 2 A partial enlarged view of point B in the middle;
[0015] Figure 4 This is a schematic diagram of the structure of the fixed beam and the connecting block of the utility model;
[0016] Figure 5 It is a cross-sectional view of the fixed beam of the utility model;
[0017] Figure 6 It is a cross-sectional view of the connecting block of the utility model. Implementation
[0018] Further description is given below in conjunction with the accompanying drawings and specific implementation methods.
[0019] See also Figures 1 to 6 An embodiment of a mounting structure of a door machine track beam comprises a fixed beam 1, an L-shaped connecting block 4, and a column 7. The fixed beam 1 is a straight plate, and its length is the total length of two sliding doors fully opened. The front of the fixed beam 1 is provided with four mounting grooves extending longitudinally along the fixed beam 1, and the four mounting grooves are parallel to each other. The four mounting grooves are all T-shaped grooves, including a first mounting groove 2a, a second mounting groove 2b, a third mounting groove 2c, and a fourth mounting groove 2d, which are used to mount the L-shaped connecting block 4, the motor 9, and the guide rail 8, respectively.
[0020] The bolt heads are inserted into the first mounting groove 2a and the second mounting groove 2b, and the motor 9 and the synchronous belt support seat 10 are fixedly connected to the fixed beam 1 with nuts. One side of a synchronous belt 11 passes around the driving pulley 12a set on the motor 10, and the other side passes around the driven pulley 12b on the synchronous belt support seat 10.
[0021] The bolt head is inserted into the fourth mounting groove 2d, and the guide rail 8 is fixedly connected to the fixed beam 1 with a nut. The lower end of the fixed beam 1 is provided with a positioning portion 3 extending laterally from the front. The positioning portion 3 is used to position and support the guide rail 8. The guide rail 8 is L-shaped, and the vertical arm of the guide rail 8 is fixedly connected to the fixed beam 1 by bolts. The horizontal arm extension end of the guide rail 8 is provided with a guide rail protruding upward.
[0022] The bolt head is inserted into the first mounting groove 2a and the third mounting groove 2c, and the vertical arm of the L-shaped connecting block 4 is fixedly connected to the fixed beam 1 with a nut. A rectangular opening clearance groove 5 is set in the middle section of the horizontal arm of the L-shaped connecting block 4. The column 7 is located in the clearance groove 5 and is fixedly connected to the two limit blocks 6 set on the column 7 by bolts, so as to realize the fixed connection between the fixed beam 1 and the two columns 7 through the two L-shaped connecting blocks 4.
[0023] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification made to the present invention by those skilled in the art without departing from the spirit of the present invention shall fall within the protection scope of the present invention.
Claims
1. A mounting structure for a gantry crane track beam, comprising a fixed beam (1) and two columns (7), characterized in that: The fixed beam (1) is fixedly connected to two upright posts (7) via two L-shaped connecting blocks (4); the fixed beam (1) is a straight plate; the front side of the fixed beam (1) is provided with four mounting grooves extending longitudinally of the fixed beam (1); the four mounting grooves are parallel to each other and are used to respectively mount the L-shaped connecting block (4), the motor (9) and the guide rail (8); the lower end of the fixed beam (1) is provided with a positioning portion (3) extending transversely from the front side; the positioning portion (3) is used to position and support the guide rail (8); the vertical arm of the L-shaped connecting block (4) is connected and fixedly connected to the two mounting grooves of the fixed beam (1) via bolts; the horizontal arm of the L-shaped connecting block (4) is fixedly connected to the upright posts (7) via bolts; the motor (9) is connected and fixedly connected to the two mounting grooves of the fixed beam (1) via bolts; and the guide rail (8) is fixedly connected to the lowest mounting groove via bolts.
2. The installation structure of the gantry crane track beam according to claim 1 is characterized in that: The length of the fixed beam (1) is the total length of the two sliding doors when they are fully opened.
3. The installation structure of the gantry crane track beam according to claim 1 is characterized in that: The four mounting grooves are all T-shaped grooves, and the bolt heads are respectively inserted into the T-shaped grooves. The L-shaped connecting block (4), the motor (9), and the guide rail (8) are fixedly connected to the fixed beam (1) by using nuts and bolts.
4. The installation structure of the gantry crane track beam according to claim 1 is characterized in that: The guide rail (8) is L-shaped, the vertical arm of the guide rail (8) is fixedly connected to the fixed beam (1) by means of bolts, and the extending end of the horizontal arm of the guide rail (8) is provided with a guide rail protruding upward.
5. The installation structure of the gantry crane track beam according to claim 1 is characterized in that: A rectangular opening clearance groove (5) is provided in the middle section of the horizontal arm of the L-shaped connection block (4), the column (7) is located in the clearance groove (5), and the L-shaped connection block (4) is fixedly connected to two limit blocks (6) provided on the column (7) by bolts.
