CN220506391U - Device for testing vehicle-ground wireless communication - Google Patents

Abstract

The application discloses a device for testing vehicle ground wireless communication, it belongs to the signal testing field. The device comprises a supporting bottom plate, bottom rods, turnover rods and a testing instrument, wherein two groups of bottom rods are vertically arranged on the upper surface of the supporting bottom plate, the two groups of bottom rods are distributed at intervals, one ends of the two groups of bottom rods far away from the supporting bottom plate are respectively and rotatably connected with the turnover rods, the bottom rods and the turnover rods are of semi-cylindrical structures, and a first screw rod and a second screw rod are respectively and rotatably arranged on the inner sides of the bottom rods and the turnover rods; the first screw rod corresponds with the sill bar, and the second screw rod corresponds with the turning rod, and the second screw rod is located the top of first screw rod, and the top of supporting baseplate is equipped with the elevating platform, and test instrument fixes at the elevating platform upper surface, and the both sides of elevating platform are fixedly connected with go-between respectively, and the inner wall of go-between has the screw hole that supplies first screw rod, second screw rod to pass. The beneficial effects of the application lie in that provide a device for test car ground radio communication, maximize the signal detection scope that promotes test instrument and reduce intensity of labour.

Description

Device for testing vehicle-ground wireless communication

Technical Field

The application relates to the field of signal testing, in particular to a device for testing vehicle-ground wireless communication.

Background

The CBTC has the outstanding advantages of being capable of realizing bidirectional communication between vehicles and the ground, large in transmission information quantity and high in transmission speed, being capable of greatly improving the interval passing capability, flexibly organizing bidirectional operation and unidirectional continuous departure, and being easy to adapt to train operation control of different speeds, different traffic volumes and different types of traction.

The prior art discloses a device for testing subway signal CBTC system train-ground wireless communication, application number: CN202122285606.2, in order to solve the problem that the existing testing device cannot be lifted and adjusted according to the needs of users, and is inconvenient to store, adopt the split telescopic design of inner column and outer column, and realize the gradual upward movement of the inner column through the internal structure transmission by pressing down the handle, and achieve the function of adjusting the testing instrument, in order to expand the detection range of the wireless signal of vehicle ground;

however, the single-hand pressing operation mode is limited in one lifting distance of the test instrument, and when the lifting distance is large, the pressing operation needs to be repeated, so that the working efficiency is low.

Disclosure of Invention

The content of the present application is intended to introduce concepts in a simplified form that are further described below in the detailed description. The section of this application is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.

In order to solve the technical problems mentioned in the background art section, some embodiments of the present application provide a device for wireless communication of a test vehicle, which comprises a supporting bottom plate, bottom rods, a turnover rod and a test instrument, wherein the upper surface of the supporting bottom plate is vertically provided with two groups of bottom rods, the two groups of bottom rods are distributed at intervals, one ends of the bottom rods far away from the supporting bottom plate are respectively and rotatably connected with the turnover rod, the bottom rods and the turnover rod are of semi-cylindrical structures, and a first screw and a second screw are respectively and rotatably arranged on the inner sides of the bottom rods and the turnover rod;

the first screw rod corresponds with the bottom rod, and the second screw rod corresponds with the turnover rod, the second screw rod is located the top of first screw rod, the top of supporting baseplate is equipped with the elevating platform, test instrument fixes at the elevating platform upper surface, the both sides of elevating platform are fixedly connected with go-between respectively, the inner wall of go-between has the screw hole that supplies first screw rod, second screw rod to pass.

Preferably, the bottoms of the two groups of bottom rods are respectively provided with a supporting box, the supporting boxes are fixed above the supporting bottom plate, and a motor is embedded in the supporting boxes and is fixedly connected with the first screw rod.

Preferably, the contact position of the bottom rod and the turnover rod is provided with a locking mechanism, and the locking mechanism comprises a fixed block fixedly connected with the outer wall of the bottom rod and a turnover block fixedly connected with the outer wall of the turnover rod.

Preferably, a limiting hole is formed in the surface, facing the overturning of the fixed block, of the overturning block, and a lifting frame is movably arranged at the position, corresponding to the limiting hole, of the fixed block.

Preferably, one end of the lifting frame extends out of the inserting limiting hole along the fixed block, the other end of the lifting frame is located in the fixed block, an inner screw rod is rotatably installed inside the fixed block, and the inner screw rod is in threaded connection with the lifting frame.

Preferably, an adjusting wheel is rotatably arranged below the fixed block, and the adjusting wheel is fixedly connected with the inner screw rod.

Preferably, the second screw rod is provided with a connecting lug towards the protruding of one end of screw rod upset, first screw rod corresponds connecting lug department and has the spacing groove, spacing groove and connecting lug adaptation.

The beneficial effects of this application lie in: the utility model provides a device for test car ground radio communication benefits from the setting of elevating platform, can drive test instrument and move between sill bar, upset pole, maximize promotes test instrument's signal detection scope, because sill bar, upset pole are semicylindrical open design, compared in prior art's telescopic columnar structure, test instrument's upper and lower range of motion is bigger, especially when descending test instrument, can descend test instrument to be close supporting baseplate department, conveniently get test instrument and put, and automatic lifting structure, test instrument's activity is more used manpower sparingly, can fold sill bar, upset pole and pack up, in order to reduce space occupation, the practicality is strong, can extensively promote.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application and to provide a further understanding of the application with regard to the other features, objects and advantages of the application. The drawings of the illustrative embodiments of the present application and their descriptions are for the purpose of illustrating the present application and are not to be construed as unduly limiting the present application.

In addition, the same or similar reference numerals denote the same or similar elements throughout the drawings. It should be understood that the figures are schematic and that elements and components are not necessarily drawn to scale.

In the drawings:

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a schematic view of a partially stowed configuration of a flip lever and a bottom lever of the present application;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is a schematic view of the internal structure of the fixing block.

Reference numerals:

1. a support base plate; 2. a supporting box; 3. a lifting table; 4. a test instrument; 5. a first screw; 6. a connecting ring; 7. a bottom bar; 8. turning over the rod; 9. a second screw; 10. a locking mechanism; 11. a connection bump; 12. a limit groove; 13. a fixed block; 14. an adjusting wheel; 15. a limiting hole; 16. a turnover block; 17. an inner screw rod; 18. and a lifting frame.

Detailed Description

Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the drawings and embodiments of the present disclosure are for illustration purposes only and are not intended to limit the scope of the present disclosure.

The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. Referring to fig. 1 and 2, the device comprises a supporting bottom plate 1, bottom rods 7, a turnover rod 8 and a testing instrument 4, wherein two groups of bottom rods 7 are vertically arranged on the upper surface of the supporting bottom plate 1, the two groups of bottom rods 7 are distributed at intervals and are respectively connected with the turnover rod 8 in a rotating manner at one end far away from the supporting bottom plate 1, the bottom rods 7 and the turnover rod 8 are of semi-cylindrical structures, and a first screw rod 5 and a second screw rod 9 are respectively rotatably arranged on the inner side of the bottom rods and the turnover rod 8.

The first screw rod 5 corresponds with the bottom rod 7, the second screw rod 9 corresponds with the turning rod 8, the second screw rod 9 is located the top of first screw rod 5, the top of supporting baseplate 1 is equipped with elevating platform 3, test instrument 4 is fixed at elevating platform 3 upper surface, the both sides of elevating platform 3 are fixedly connected with go-between 6 respectively, the inner wall of go-between 6 has the screw hole that supplies first screw rod 5, second screw rod 9 to pass. The bottoms of the two groups of bottom rods 7 are respectively provided with a supporting box 2, the supporting boxes 2 are fixed above the supporting bottom plate 1, a motor is embedded in the supporting boxes 2, and the motor is fixedly connected with the first screw 5. The contact position of the bottom rod 7 and the turning rod 8 is provided with a locking mechanism 10.

Referring to fig. 3 and 4, the locking mechanism 10 includes a fixed block 13 fixedly connected to the outer wall of the bottom rod 7, and a turning block 16 fixedly connected to the outer wall of the turning rod 8. The surface of the turnover block 16 turned towards the fixed block 13 is provided with a limiting hole 15, and a lifting frame 18 is movably arranged on the fixed block 13 corresponding to the limiting hole 15 at a lifting frame 18. One end of the lifting frame 18 extends out of the splicing limiting hole 15 along the fixed block 13, the other end of the lifting frame is positioned in the fixed block 13, an inner screw rod 17 is rotatably arranged in the fixed block 13, and the inner screw rod 17 is in threaded connection with the lifting frame 18. An adjusting wheel 14 is rotatably arranged below the fixed block 13, and the adjusting wheel 14 is fixedly connected with an inner screw rod 17. The second screw 9 is provided with a connecting lug 11 towards the protruding of one end of screw upset, and first screw 5 corresponds connecting lug 11 department and has spacing groove 12, spacing groove 12 and connecting lug 11 adaptation.

Working principle:

when the tester is used, firstly, the tester 4 is arranged on the lifting table 3, the position of the tester 4 is regulated by driving the lifting table 3 to lift, so that a larger signal testing range is obtained, the tester 4 moves synchronously along with the lifting of the lifting table 3, the lifting table 3 can move vertically along the bottom rod 7 and the turnover rod 8, a motor positioned in the supporting box 2 is started, the motor firstly drives the first screw 5 to rotate, the connecting ring 6 is sleeved outside the first screw 5 in a threaded manner, the stressed threads last time, the second screw 9 and the first screw 5 rotate synchronously, the tester 4 can move upwards from the position between the bottom rods 7 to the position between the turnover rods 8, the movable range of the tester 4 is wide, and when the tester moves to the lower end of the bottom rod 7, the tester 4 is convenient to take and place;

after the signal test is finished, the turnover rod 8 can be stored, the adjusting wheel 14 is rotated, the adjusting wheel 14 drives the inner screw rod 17 to rotate, the lifting frame 18 in threaded connection with the inner rod is forced to retract towards the inside of the fixed block 13, then the end part of the lifting frame is separated from the limiting hole 15, after the limiting is lost, the turnover rod 8 can be rotated relative to the bottom rod 7, the original concentric turnover rod 8 and the bottom rod 7 are in a back-to-back state, the second screw rod 9 is forced to leave the first screw rod 5, when the second screw rod 9 is in contact with the first screw rod 5 again for installation, the connecting lug 11 is embedded into the limiting groove 12, and the fastening force between the first screw rod 5 and the second screw rod 9 can be synchronously rotated.

Claims (7)

1. The utility model provides a device for test car ground radio communication, includes supporting baseplate (1), sill bar (7), upset pole (8) and test instrument (4), its characterized in that: two groups of bottom rods (7) are vertically arranged on the upper surface of the supporting bottom plate (1), the two groups of bottom rods (7) are distributed at intervals, one ends of the two groups of bottom rods (7) far away from the supporting bottom plate (1) are respectively and rotatably connected with a turnover rod (8), the bottom rods (7) and the turnover rods (8) are of semi-cylindrical structures, and a first screw (5) and a second screw (9) are respectively and rotatably arranged on the inner sides of the bottom rods and the turnover rods;

the utility model discloses a test device, including first screw rod (5), backing rod (7), second screw rod (9), backing plate (1), elevating platform (3), test instrument (4), go up and down, backing plate (3) both sides respectively fixedly connected with go-between (6), the inner wall of go-between (6) has the screw hole that supplies first screw rod (5), second screw rod (9) to pass, second screw rod (8) correspond with backing rod (7), second screw rod (9) are located the top of first screw rod (5), the top of backing plate (1) is equipped with elevating platform (3), test instrument (4) are fixed at elevating platform (3) upper surface.

2. The apparatus for wireless communication of test vehicle ground according to claim 1, wherein: the bottoms of the two groups of bottom rods (7) are respectively provided with a supporting box (2), the supporting boxes (2) are fixed above the supporting bottom plate (1), a motor is embedded in the supporting boxes (2), and the motor is fixedly connected with the first screw rod (5).

3. The apparatus for wireless communication of test vehicle ground according to claim 1, wherein: the contact position of the bottom rod (7) and the overturning rod (8) is provided with a locking mechanism (10), and the locking mechanism (10) comprises a fixed block (13) fixedly connected with the outer wall of the bottom rod (7) and an overturning block (16) fixedly connected with the outer wall of the overturning rod (8).

4. The apparatus for testing train-ground wireless communication according to claim 3, wherein: the overturning block (16) is provided with a limiting hole (15) on the overturning surface facing the fixed block (13), and a lifting frame (18) is movably arranged at a position, corresponding to the limiting hole (15), of the fixed block (13).

5. The apparatus for testing train-ground wireless communication according to claim 4, wherein: one end of the lifting frame (18) extends out of the inserting limiting hole (15) along the fixed block (13), the other end of the lifting frame is located in the fixed block (13), an inner screw rod (17) is rotatably installed inside the fixed block (13), and the inner screw rod (17) is in threaded connection with the lifting frame (18).

6. The apparatus for testing train-ground wireless communication according to claim 5, wherein: an adjusting wheel (14) is rotatably arranged below the fixed block (13), and the adjusting wheel (14) is fixedly connected with the inner screw rod (17).

7. The apparatus for wireless communication of test vehicle ground according to claim 1, wherein: the second screw rod (9) towards the one end protrusion of screw rod upset be equipped with connection lug (11), first screw rod (5) correspond connection lug (11) department and have spacing groove (12), spacing groove (12) and connection lug (11) adaptation.