CN112389491A

CN112389491A - Monorail crane braking vehicle

Info

Publication number: CN112389491A
Application number: CN202011501399.3A
Authority: CN
Inventors: 沈宏伟; 张武义; 徐福革; 李英光; 刘德利; 许信发; 邓前峰; 蔡晓杰
Original assignee: Anhui Sino Czech Mining Transportation Equipment Co ltd
Current assignee: Anhui Sino Czech Mining Transportation Equipment Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-02-23

Abstract

The invention belongs to the technical field of monorail cranes, and particularly relates to a monorail crane brake vehicle which comprises a shell, wherein a plurality of travelling wheels matched with a track in pairs are arranged at the upper part of the shell; an oil cylinder, a spring outer cylinder and a spring inner cylinder are arranged in the shell, the spring is arranged in the spring outer cylinder, the spring outer cylinder can move linearly in the shell, the spring inner cylinder is connected with a piston in the oil cylinder, and the end face of the spring inner cylinder, far away from one side of the piston, is used for limiting the spring; the shell is also provided with a pressurizing pump and an overspeed protector for controlling the unloading valve; the shell is also provided with paired clamping backs, each clamping back comprises a brake pad, a brake arm and a driven wheel, the brake pads and the driven wheels are respectively arranged at two ends of the brake arms, and the brake arms are hinged on the shell through rotating shafts; and the spring outer cylinder is provided with an oblique iron for touching the driven wheel. Automatic braking is realized through hydraulic control, and the monorail crane braking vehicle is provided with a pressurizing pump and an independent hydraulic system, does not need an external hydraulic system, and is simple to operate.

Description

Monorail crane braking vehicle

Technical Field

The invention belongs to the technical field of monorail cranes, and particularly relates to a monorail crane braking vehicle.

Background

The overspeed protection braking trolley is braking equipment which is used for stopping underground transportation equipment in time when the underground transportation equipment goes wrong or out of control when running on a track to cause the underground transportation equipment to run on the track at an overspeed.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the monorail crane braking vehicle which is convenient to install and good in braking effect.

The invention is realized by the following technical scheme: a monorail crane brake vehicle comprises a shell, wherein the upper part of the shell is provided with a plurality of travelling wheels matched with a track in pairs; an oil cylinder, a spring outer cylinder and a spring inner cylinder are arranged in the shell, the spring is arranged in the spring outer cylinder, the spring outer cylinder can move linearly in the shell, the spring inner cylinder is connected with a piston in the oil cylinder, and the end face of the spring inner cylinder, far away from one side of the piston, is used for limiting the spring; the shell is also provided with a pressurizing pump and an overspeed protector for controlling the unloading valve; the shell is also provided with paired clamping backs, each clamping back comprises a brake pad, a brake arm and a driven wheel, the brake pads and the driven wheels are respectively arranged at two ends of the brake arms, and the brake arms are hinged on the shell through rotating shafts; and the spring outer cylinder is provided with an oblique iron for touching the driven wheel.

Furthermore, the spring outer cylinder is a hollow cylinder with an annular blind groove, and the spring is arranged in the annular blind groove of the cylinder.

Further, a pair of travelling wheels is arranged at the front and the rear of the shell along the direction of the track; the clamping back is arranged between the front and the rear pairs of the walking wheels.

Further, the driven wheel is capable of rotating.

The invention has the beneficial effects that: automatic braking is realized through hydraulic control, and the monorail crane braking vehicle is provided with a pressurizing pump and an independent hydraulic system, does not need an external hydraulic system, and is simple to operate. According to the requirement of the field situation, the unloading valve switch group is triggered manually, and the purpose of braking the whole system can be achieved.

Drawings

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

FIG. 2 is a partial cross-sectional view of FIG. 1;

FIG. 3 is a left side view of FIG. 1;

FIG. 4 is a schematic view of the construction of the clamp back of the present invention;

in the figure, the brake comprises a shell 1, a shell 2, an oil cylinder 2-1, a piston 3, a spring 4, a spring outer cylinder 5, a spring inner cylinder 6, a pressurizing pump 6-1, a pressurizing pump handle 7, an unloading valve 7-1, an unloading valve switch group 8, an overspeed protector 9, a track 10, a traveling wheel 11, a clamping back 11-1, a brake pad 11-2, a rotating shaft 11-3, a brake arm 11-4, a driven wheel 12 and a wedge.

Detailed Description

The invention is further illustrated below with reference to the figures and examples.

As shown in fig. 1 to 4, the monorail crane brake vehicle comprises a housing 1, wherein a plurality of traveling wheels 10 matched with a track 9 in pairs are arranged on the upper portion of the housing 1, hanging lugs are arranged on the front and the rear of the housing 1 along the direction of the track 9 and used for being connected with transportation equipment, and the traveling wheels 10 are used for guiding the monorail crane brake vehicle to travel on the single track. The casing 1 is inside to be equipped with hydro-cylinder 2, spring 3, spring urceolus 4 and spring inner tube 5, and spring 3 is cylindrical coil spring, spring 3 is arranged in spring urceolus 4, and spring urceolus 4 can be in casing 1 rectilinear movement, specifically, spring urceolus 4 is the cavity drum that has the annular blind groove, and spring 3 arranges the annular blind inslot of drum in. The spring inner cylinder 5 is connected with a piston 2-1 in the oil cylinder 2, the end face of the spring inner cylinder 5, far away from the piston 2-1, is used for limiting the spring 3, when the piston 2-1 retracts, the piston 2-1 drives the spring inner cylinder 5 to compress the spring 3, the spring 3 pushes the spring outer cylinder 4 to move towards the direction of the movement of the piston 2-1, and the reset of the spring outer cylinder 4 is completed by the pushing of hydraulic oil. The shell 1 is also provided with a pressurizing pump 6 and an overspeed protector 8 for controlling an unloading valve 7; the shell 1 is also provided with paired clamping backs 11, each clamping back 11 comprises a brake pad 11-1, a brake arm 11-3 and a driven wheel 11-4, the brake pads 11-1 and the driven wheels 11-4 are respectively arranged at two ends of the brake arms 11-3, and the brake arms 11-3 are hinged on the shell 1 through rotating shafts 11-2; the spring outer cylinder 4 is provided with an inclined iron 12 for triggering the driven wheel 11-4, and the inclined iron 12 presses the driven wheel 11-4 outwards to enable the brake arm 11-3 to rotate around the rotating shaft 11-2, so that the brake pad 11-1 positioned on the upper part of the brake arm 11-3 presses the track 9. Preferably, a pair of the traveling wheels 10 is respectively arranged at the front and the rear of the housing 1 along the direction of the track 9; the clamping back 11 is arranged between the front and the rear pairs of the walking wheels 10 and between the walking wheels 10. Preferably, the driven wheel 11-4 can rotate, and when the wedge 12 is in contact with the driven wheel 11-4, the driven wheel 11-4 can rotate relative to the wedge 12, so that the rigid contact between the driven wheel 11-4 and the wedge 12 is converted into a rolling contact part, and the function of protecting components is achieved. The driven wheel 11-4 can be replaced by other parts, and only the oblique iron 12 can push the upper part of the brake arm 11-3 to rotate towards the track 9.

In an initial state, the unloading valve 7 is closed, oil pressure is pumped into the oil cylinder 2 through the pressurizing pump 6, the oil cylinder 2 is utilized to compress the spring 3 to a certain degree, the spring outer cylinder 4 is reset under the pushing of hydraulic oil, the inclined iron 12 is not contacted with the clamping back 11 under the driving of the spring outer cylinder 4, meanwhile, the clamping back 11 is opened under the action of the torsion spring, then the monorail crane brake vehicle is hung on the track 9, and the monorail crane brake vehicle is connected with the transportation equipment through the connecting rod.

The braking principle of the monorail crane braking vehicle is as follows: when the transportation equipment goes wrong or out of control on the track 9, so that the transportation equipment runs at an overspeed on the track 9, the overspeed protector 8 triggers the unloading valve switch group 7-1, the unloading valve 7 is opened, the system is decompressed, the originally compressed spring 3 is expanded to drive the spring outer cylinder 4 to displace, the spring outer cylinder 4 drives the inclined iron to push the driven wheel 11-4, namely, the driven wheel 11-4 is extruded towards the outer side of the track 9, so that the brake arm 11-3 rotates around the rotating shaft 11-2, the upper part of the brake arm 11-3 moves towards the direction of the track 9, the brake pad 11-1 presses the track 9 to generate enough friction force, and the single-rail hanging brake vehicle is stopped, so that the purpose of braking the whole transportation equipment is achieved. The monorail crane brake vehicle can manually trigger the unloading valve switch group according to the requirements of field conditions, and the purpose of braking the whole system can be achieved.

Claims

1. A monorail crane brake car is characterized in that: comprises a shell (1), wherein the upper part of the shell (1) is provided with a plurality of travelling wheels (10) which are matched with a track (9) in pairs; an oil cylinder (2), a spring (3), a spring outer cylinder (4) and a spring inner cylinder (5) are arranged in the shell (1), the spring (3) is arranged in the spring outer cylinder (4), the spring outer cylinder (4) can move linearly in the shell (1), the spring inner cylinder (5) is connected with a piston (2-1) in the oil cylinder (2), and the end face of one side, far away from the piston (2-1), of the spring inner cylinder (5) is used for limiting the spring (3); the shell (1) is also provided with a pressurizing pump (6) and an overspeed protector (8) for controlling the unloading valve (7); the shell (1) is also provided with paired clamping backs (11), each clamping back (11) comprises a brake pad (11-1), a brake arm (11-3) and a driven wheel (11-4), the brake pads (11-1) and the driven wheels (11-4) are respectively arranged at two ends of the brake arms (11-3), and the brake arms (11-3) are hinged on the shell (1) through rotating shafts (11-2); and the spring outer cylinder (4) is provided with an oblique iron (12) for triggering the driven wheel (11-4).

2. A monorail crane brake car as defined in claim 1, wherein: the spring outer cylinder (4) is a hollow cylinder with an annular blind groove, and the spring (3) is arranged in the annular blind groove of the cylinder.

3. A monorail crane brake car as defined in claim 1, wherein: a pair of travelling wheels (10) is arranged at the front and the rear of the shell (1) along the direction of the track (9); the clamping back (11) is arranged between the front and the rear pairs of the walking wheels (10).

4. A monorail crane brake car as defined in claim 1, wherein: the driven wheel (11-4) can rotate.