CN220349692U - Novel brake of small platform truck for subway construction device - Google Patents

Abstract

The utility model discloses a novel subway construction small flat car brake device which comprises a flat car body, wheels and brake components arranged at the front end and the rear end of the flat car body, wherein the brake components comprise cross bars arranged at the tail end of the flat car body, connecting blocks hinged at the two ends of the cross bars, T-shaped blocks arranged below the connecting blocks and control rods arranged at the upper ends of the cross bars, and the control rods are connected with the tail parts of the flat car body through extension springs. The upper surface of the flat car body is provided with a groove, an elastic steel rope is arranged in the groove, one end of the elastic steel rope is fixedly connected with the flat car body, and the other end of the elastic steel rope is provided with a hook matched with the clamping ring; the horizontal pole is driven to be close to the flatbed automobile body downwards through pulling the control rod for T shape piece compresses tightly the walking track along slide rail downwardly moving, brakes the flatbed, and through couple and snap ring cooperation, the position of fixed control rod is pulled with the elasticity cable wire, can fix the control rod when the flatbed brakes for a long time, need not the staff and pulls always.

Description

Novel brake of small platform truck for subway construction device

Technical Field

The utility model relates to the technical field of subway construction, in particular to a novel brake device of a small platform truck for subway construction.

Background

In railway or subway rail transit systems, rail flat cars are often used as transport means, in particular when working in closed spaces such as subway tunnels or railway tunnels. The flat car brake device is simple in structure and convenient to use, and at present, the conventional flat car is braked by adopting a braking mode that friction force of wheels is increased by friction plates.

For example, in a novel brake device of a subway construction trolley with the patent number of CN205971357U, the novel brake device comprises an operating rod, a connecting rod, a brake block and a locking device, wherein the connecting rod comprises a first connecting rod and a second connecting rod which are mutually parallel, the first connecting rod is fixed at the lower end of a main frame of the flat-bed vehicle, and the second connecting rod is fixed on the operating rod; the brake block is located the top of wheel body, when parking or stop operation, unclamp the action bars, through the pulling force of extension spring, make the action bars down displacement, extension spring taut action bars, the brake block contacts and rubs the wheel body, the flatbed is braked immediately, can see that it adopts the brake block to rub with the wheel body directly and come the speed reduction, easily cause the wheel body wearing and tearing when using many times, influence the normal work of flatbed, and, the dolly can freely pass when it pulls up the action bars, unclamp the action bars and brake the flatbed when needs the brake, need the staff to control (pull up) the action bars always and make the flatbed freely pass promptly, the operation is inconvenient.

Disclosure of Invention

Aiming at the problems, the utility model aims to provide a novel brake device of a small platform truck for subway construction, which is used for realizing the braking of the small platform truck.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a novel brake of small flatbed of subway construction device, includes flatbed automobile body, wheel and installs the brake subassembly at both ends around the flatbed automobile body, its characterized in that: the brake assembly comprises a cross rod which is arranged above the flatbed body in parallel, connecting blocks hinged to two ends of the cross rod, T-shaped blocks arranged below the connecting blocks and a control rod arranged at the upper end of the cross rod; the control rod is connected with the side surface of the flat car body through an extension spring.

Further, four sliding rails are symmetrically arranged on the left side and the right side of the flat car body, and a T-shaped block is slidably arranged in each sliding rail.

Further, a clamping ring is arranged on one side of the control rod, which faces the upper surface of the flat car body.

Further, a groove is formed in the upper surface of the flat car body.

Further, an elastic steel rope is arranged in the groove, one end of the elastic steel rope is fixedly connected with the bottom surface of the groove, the other end of the elastic steel rope is a free end, and a hook matched with the clamping ring is arranged at the end part of the free end.

Further, the bottom surface of the T-shaped block is provided with an anti-slip pad.

Further, a non-slip bump is arranged on the outer surface of the upper end of the control rod.

Compared with the prior art, the utility model has the beneficial effects that:

firstly, through setting up action bars, cross bars, extension springs, T-shaped blocks and sliding rails, the T-shaped blocks can move up and down along the sliding rails under the control of the action bars so as to be in contact with the walking rails of the flat car, so that the braking of the flat car is realized, and the abrasion to wheels is avoided;

secondly, the elastic steel rope, the hook and the clamping ring are arranged to be matched, so that the control rod can be fixed when the flat car brakes for a long time, and the control rod is not required to be pulled by hands;

third, the application is through setting up brake subassembly respectively at both ends around the flatbed automobile body, and the staff of being convenient for brakes the flatbed in arbitrary direction of progress, has improved the usability of device.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a partial enlarged view at a in fig. 1.

FIG. 3 is a diagram of the mounting relationship of the T-block to the skid rail with the T-block unbraked.

FIG. 4 is a diagram of the mounting relationship of the T-block to the skid rail with the T-block braked.

Wherein: the anti-skid bicycle comprises a 1-flat car body, 2-wheels, 3-cross bars, 4-connecting blocks, 5-T-shaped blocks, 6-control rods, 7-stretching springs, 11-sliding rails, 12-grooves, 13-elastic steel ropes, 14-hooks, 51-anti-skid pads, 61-clamping rings and 62-anti-skid protrusions.

Detailed Description

In order to enable those skilled in the art to better understand the technical solution of the present utility model, the technical solution of the present utility model is further described below with reference to the accompanying drawings and examples.

1-4, a novel subway construction small flat car braking device comprises a flat car body 1, a plurality of wheels 2 arranged below the flat car body 1, wherein the wheels 2 are connected through wheel shafts, and braking components arranged at the front end and the rear end of the flat car body 1; the brake subassembly structure at both ends is the same around, it all includes horizontal pole 3, connecting block 4, T shape piece 5, control lever 6 and extension spring 7, horizontal pole 3 parallel mount is in the top of flatbed automobile body 1 upper surface, and horizontal pole 3 is higher than flatbed automobile body 1 upper surface and with the flatbed between 1 have certain clearance, connecting block 4 articulates and sets up horizontal pole 3 both ends, T shape piece 5 sets up in connecting block 4 below, horizontal pole 3 upper surface is provided with control lever 6, control lever 6 links to each other with the lateral surface of the both sides tip of flatbed automobile body 1 through extension spring 7, under the initial state, pull control lever 6 under extension spring 7's effect to be close to flatbed automobile body 1 afterbody, thereby make horizontal pole 3 keep away from flatbed automobile body 1 surface, and then make T shape piece 5 keep away from the track, make the flatbed can freely pass.

Further, four sliding rails 11 are symmetrically arranged on the left and right side surfaces of the flat car body 1, the four sliding rails are respectively arranged below the connecting blocks 4 arranged at the front and rear ends, a T-shaped block 5 is slidably mounted in each sliding rail 11, the top ends of the T-shaped blocks 5 are rotationally connected with the connecting blocks 4, and the flat car can move up and down in the vertical direction along the sliding rails 11.

Further, a side of the control rod 6 facing the upper surface of the flatbed body 1 is also provided with a snap ring 61.

Further, a groove 12 is formed in the upper surface of the flatbed body 1, an elastic steel cable 13 is arranged in the groove 12, the bottom end of the elastic steel cable 13 is fixedly connected with the flatbed body 1, and a hook 14 matched with the clamping ring 31 is arranged at the other end of the elastic steel cable.

Further, the bottom surface of the T-shaped block 5 is further provided with a non-slip pad 51 for increasing friction with the transportation rail.

Further, a stud 62 is provided on the outer surface of the upper end of the lever 6.

Example 1

When the trolley is used, under the traction action of the tension spring 7, the control rod 6 drives the cross rod 3 to be far away from the upper surface of the trolley body 1, at the moment, the T-shaped block 5 is not contacted with the walking track, and the trolley freely passes; when the temporary parking is needed, the control rod 6 is pulled forward so as to drive the cross rod 3 to be close to the upper surface of the flat car body 1 downwards, the connecting block 4 drives the T-shaped block 5 downwards to move downwards along the sliding rail 11 to squeeze the walking track tightly, the flat car is braked, when the control rod 6 is loosened again, the stretching spring 7 pulls the cross rod 3 to be far away from the upper surface of the flat car body 1, the T-shaped block 5 is separated from the walking track, and the flat car is enabled to continuously and freely pass.

Example 2

On the basis of the embodiment 1, if the braking is required for a long time, the elastic steel rope 13 is pulled out from the groove 12, the hook 14 on the elastic steel rope is clamped on the clamping ring 61, and the angle of the control rod 6 is fixed, so that the T-shaped block 5 is always pressed on a walking track, and the sliding of a car is prevented.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a novel brake of small flatbed of subway construction device, includes flatbed automobile body (1), wheel (2) and installs the brake subassembly at both ends around flatbed automobile body (1), its characterized in that: the brake assembly comprises a cross rod (3) which is arranged above a flat car body (1) in parallel, connecting blocks (4) which are hinged to two ends of the cross rod (3), T-shaped blocks (5) which are arranged below the connecting blocks (4) and a control rod (6) which is arranged at the upper end of the cross rod (3); the control rod (6) is connected with the side surface of the flat car body (1) through a tension spring (7).

2. The novel subway construction trolley braking device according to claim 1, wherein: four sliding rails (11) are symmetrically arranged on the left side and the right side of the flat car body (1), and a T-shaped block (5) is slidably arranged on each sliding rail (11).

3. The novel subway construction trolley braking device according to claim 2, wherein: a clamping ring (61) is arranged on one side of the control rod (6) facing the upper surface of the flat car body (1).

4. A novel subway construction trolley brake apparatus according to claim 3, wherein: a groove (12) is formed in the upper surface of the flat car body (1).

5. The novel subway construction trolley braking device according to claim 4, wherein: an elastic steel cable (13) is arranged in the groove (12), one end of the elastic steel cable (13) is fixedly connected with the bottom surface of the groove (12), the other end of the elastic steel cable is a free end, and a hook (14) matched with the clamping ring (61) is arranged at the end part of the free end.

6. The novel subway construction trolley braking device according to claim 5, wherein: the bottom surface of the T-shaped block (5) is provided with an anti-slip pad (51).

7. The novel subway construction trolley braking device according to claim 6, wherein: the outer surface of the upper end of the control rod (6) is provided with a non-slip bulge (62).