CN217048619U - Multifunctional track construction service vehicle - Google Patents

Abstract

The utility model relates to a mechanical engineering technical field is a multi-functional track construction service cart particularly, include the automobile body and walk the shape device, still include: the normally open-to-normally closed mechanism comprises a brake handle, a steel wire rope, a sleeve and a pushing handle; the hydraulic disc type brake system comprises a brake disc, a brake chuck, a small oil pump, a piston and an electromagnetic brake device, wherein the electromagnetic brake device at least comprises a wheel built-in magnet and an electromagnetic brake, and the electromagnetic brake device comprises a connecting disc, a brake pad and a fixed electromagnet. Compared with the prior art, the invention has the advantages that: the speed detection device is arranged to ensure the safe operation of the vehicle; the braking mode is normally closed, so that the phenomena of vehicle sliding and the like are avoided, and the safety of the vehicle is improved; the parking operation of workers is simplified by pushing a brake system controlled by a handle; the parking reliability is strong, and easy to operate accords with the application of actual engineering.

Description

Multifunctional track construction service vehicle

Technical Field

The utility model relates to a mechanical engineering technical field is a multi-functional track construction service cart particularly.

Background

In the track laying construction of urban rail transit in China, material transportation is an important link, wherein the rail flat car is used as a transport means in urban rail transit construction operation in a large number, and materials such as conveying mechanical equipment, construction materials and the like which occupy small space and are heavy in weight can be transported, so that a large amount of manpower can be saved, the labor intensity of workers is reduced, and the construction efficiency is improved.

At present, the rail flat cars in the rail transit construction in China are various in variety, but the rail flat cars used in the rail construction site are mostly simple structures without reliable brake systems, a few rail flat cars with brake systems are also designed to be normally open type brakes, the influence of the operation of personnel is large, accidents are easily caused by overlooking of the operation of workers in practical application, and potential safety hazards are brought to normal construction such as speed control in a downhill section, car sliding after parking and the like.

Therefore, in view of the problems in the background art, the technical personnel in the field propose a multifunctional track construction service vehicle.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the safety in use problem of the track platform trailer in the current track traffic construction field, design a novel multi-functional track construction service cart to when guaranteeing that the railcar uses in actual track engineering environment, swift current car phenomenon when can be timely, steady braking and avoiding parking. In order to realize above-mentioned purpose, design a novel multi-functional track construction service cart, include the automobile body and walk the shape device, still include: the normally-open and normally-closed mechanism comprises a brake handle, a steel wire rope, a sleeve and a pushing handle, wherein the pushing handle is connected with the vehicle body through the sleeve, the sleeve is arranged at the bottom of the pushing handle, and the sleeve is connected with the brake handle through the steel wire rope; the hydraulic disc type brake system comprises a brake disc, a brake chuck, a small oil pump and a piston, wherein the piston is arranged on the outer side of a wheel and connected with a brake handle; electromagnetic braking device, electromagnetic braking device includes built-in magnet of wheel and electromagnetic braking ware at least, electromagnetic braking ware includes connection pad, brake disc, brake block and fixed electro-magnet, and fixed electro-magnet sets up surveys in the wheel, fixed electro-magnet one side is equipped with the brake block, and connection pad and brake disc cover are located on the axletree.

Preferably, the vehicle body further comprises an auxiliary braking system, the auxiliary braking system comprises a pedal type caster brake and a safety rope, the pedal type caster brake is arranged on the front wheel and comprises a long pedal, a short pedal, a pressing plate and a braking pedal, and the safety rope is arranged on one side of the vehicle body.

Preferably, the electromagnetic braking device further comprises a speed measuring chip, and the speed measuring chip is arranged on one side of the built-in magnet of the wheel.

Preferably, the following components: the normally open-to-normally closed mechanism further comprises a pushing handle limiting stopper, wherein the pushing handle limiting stopper is arranged on the inner side of the sleeve and sleeved at the bottom of the pushing handle.

Preferably, the following components: still include skate rack, skate rack sets up in the automobile body outside.

Compared with the prior art, the utility model, its advantage lies in:

1. the speed detection device is arranged, and when the speed exceeds a set value, the electromagnetic braking is automatically carried out on the vehicle, so that the safe operation of the vehicle is ensured;

2. the braking mode of the vehicle is set to be normally closed, so that the vehicle is ensured not to slide when being operated by no person, and the safety of the vehicle is improved;

3. the designed brake system controlled by the push handle simplifies the parking operation of workers;

4. the parking reliability is strong, and easy to operate accords with the application of actual engineering.

Drawings

Fig. 1 is a structural diagram of the multifunctional track construction service vehicle of the utility model;

fig. 2 is a front view of the multifunctional track construction service vehicle of the present invention;

FIG. 3 is a left side view of the multifunctional track construction service vehicle of the present invention;

FIG. 4 is a structural plan view of the multifunctional track construction service vehicle of the present invention;

FIG. 5 is a structural lower view of the multifunctional track construction service vehicle of the present invention;

fig. 6 is a front view of the hydraulic brake apparatus of the present invention;

fig. 7 is a left side view of the hydraulic brake apparatus of the present invention;

fig. 8 is a top view of the hydraulic brake apparatus of the present invention;

FIG. 9 is a front view of the right front wheel structure of the vehicle of the present invention;

fig. 10 is a left side view of the structure of the right front wheel of the vehicle of the present invention;

FIG. 11 is a top view of a right front wheel structure of the vehicle of the present invention;

fig. 12 is a front view of the electromagnetic braking device of the present invention;

fig. 13 is a left side view of the electromagnetic brake apparatus of the present invention;

fig. 14 is a top view of the electromagnetic braking device of the present invention;

in the figure: 1-1 vehicle body frame, 1-2 push handles, 1-3 caster brakes, 1-4 iron shoe placing frames, 1-5 wheel sets, 1-6 safety ropes, 1-7 hydraulic braking devices, 1-8 normally open and normally closed devices, 1-9 electromagnetic braking devices, 2-1 brake handles, 2-2 sleeves, 2-3 steel wire ropes, 2-4 springs, 2-5 brake handle mounting frames, 2-6 push handle supports, 2-7 push handle limiters, 3-1 wheel set supports, 3-2 axle shafts, 3-3 brake disc mounting discs, 3-4 brake discs, 3-5 brake chucks, 3-6 wheels, 3-7 pistons, 4-1 connecting discs, 4-2 parts of brake disc, 4-3 parts of brake block and 4-4 parts of electromagnetic brake wheel set bracket.

Detailed Description

Referring to fig. 1, 2, 3, 4 and 5, the multifunctional track construction service vehicle mainly comprises a vehicle body frame 1-1, a pushing handle 1-2, a caster brake 1-3, a wheel set 1-5, a safety rope 1-6, a hydraulic brake device 1-7 and an electromagnetic brake device 1-9. The vehicle body frame 1-1 is in a rectangular plate shape, is formed by welding channel steel which is transversely and longitudinally arranged and an upper steel plate and is used for loading materials. The side surface of the brake shoe is welded with an iron shoe placing frame 1-4 and a safety rope 1-6 for placing an auxiliary brake device. The wheel set 1-5 is installed through a wheel set bracket 3-1 welded below the frame and used for walking of the construction service vehicle.

Referring to fig. 6, 7, 8, 9, 10 and 11, the push handle 1-2 is connected with the vehicle body through the sleeve 2-2 and the push handle bracket 2-6, and the push handle stopper 2-7 is used for limiting the position of the push handle 1-2 so that the hydraulic brake device 1-7 is kept normally closed. The sleeve 2-2 is connected with the brake handle 2-1 through a steel wire rope 2-3, the brake handle 2-1 is connected with the frame 1-1 through a brake handle mounting frame 2-5, and a spring 2-4 is connected for resetting. The hydraulic braking device 1-7 is composed of a brake disc mounting disc 3-3, a brake disc 3-4, a brake chuck 3-5 and a piston 3-7, the brake disc 3-4 is sleeved on the axle 3-2, the piston 3-7 is arranged on the outer side of the wheel 3-6, and the brake disc 3-4 is clamped through the brake chuck 3-5 to achieve parking braking.

Referring to fig. 12, 13 and 14, the electromagnetic overspeed braking system comprises a speed measuring device, an electromagnetic brake and a comprehensive control chip. The speed measuring device is a speed measuring chip and a magnet arranged in the wheel. The speed measuring device adopts a Hall effect as a speed measuring principle, and when the built-in magnet of the wheel is close to the speed measuring chip, the speed measuring chip sends a signal to the comprehensive control chip. And the integrated control chip calculates the running speed of the flat car according to the number of the received signals in unit time and the radius of the wheels 3-6. The electromagnetic brake comprises a connecting disc 4-1, a brake disc 4-2, a brake pad 4-3 and a fixed electromagnet. When the measured speed is higher than the preset speed value of the flat car, the comprehensive control chip sends a signal to the electromagnetic brake, the electromagnetic brake is electrified after receiving the signal, the fixed electromagnet adsorbs the brake disc 4-2 to be tightly attached to the brake pad 4-3, and the wheel 3-6 is braked through the connecting disc 4-1 until the speed is zero. The integrated control chip is a system built-in program and is used for judging the speed and sending out a brake instruction.

The auxiliary braking system mainly comprises pedal type caster brakes 1-3 and a safety rope, and the pedal type caster brakes 1-3 comprise long and short pedals, a pressing plate and a brake pedal. When the track service vehicle is ready to park, the long pedal is stepped down, and wheels can be locked through the pressure plate and the brake pedal, so that braking is realized; before use, the short pedal is stepped on, the pressure plate and the brake pedal are lifted, and braking is released. The safety ropes 1-6 are arranged on two sides of the vehicle through a fixing frame and are used for being fixed on the elastic strips after the flat car is parked, so that auxiliary braking is achieved.

The utility model discloses a multi-functional track construction service cart's working process as follows:

when the multifunctional track construction service vehicle is parked without work, a pushing handle 1-2 of the multifunctional track construction service vehicle is kept vertical under the action of a pushing handle stopper 2-7, at the moment, a piston 3-7 is in a pressing state, a brake chuck 3-5 is tightly clamped and installed with a brake disc 3-4 on a wheel 3-6, and the vehicle is in a safe braking state.

When the safety device works, materials are placed on the frame 1-1, the safety rope 1-6 fixed on the rail side is unfastened, and the short pedal of the caster brake 1-3 is stepped on. A person pulls/pushes the pushing handle 1-2, the braking handle 2-5 is pulled by the steel wire rope 2-3, the piston 3-7 is further opened, the braking chuck 3-5 loosens the braking disc 3-4, the wheel set 1-5 is in a free state, the braking state of the track service vehicle is released, and the track service vehicle starts to run in the track.

In the working process of the track service vehicle, the speed measuring device 4-4 positioned at the rear side of the vehicle frame 1-1 can monitor the rotation speed of the vehicle wheel in real time through the magnet arranged in the wheel set 1-5, calculate the advancing speed of the vehicle according to the radius of the wheel set 1-5, and send a signal to the electromagnetic braking device 1-9 to brake the vehicle when the actual speed is higher than the preset speed. At this time, the brake disc 4-2 is attracted to the friction plate 4-3 until the vehicle stops.

After the rail service trolley conveys the materials to the designated position, the pushing handle 1-2 is released, at the moment, the braking handle 2-1 is restored to the initial position under the action of the spring 2-4, the piston 3-7 is closed, and the braking chuck 3-5 clamps the brake disc 3-4 again to realize braking of the vehicle.

Furthermore, the caster brakes 1-3 long pedals above the wheel sets 1-5 are stepped down, and the safety ropes 1-6 are fixed on the rail side fixing points, so that further auxiliary braking can be performed, and the safety and the reliability of the rail service vehicle during parking are ensured. When the railway service vehicle needs to be parked for a long time, the railway service vehicle can be limited in parking by placing the iron shoes in front of the wheel sets 1-5. The iron shoes can be placed on the iron shoe placing frames 1-4 when the rail service vehicle runs.

The above, only for the concrete implementation of this utility model, but the scope of protection of the utility model is not limited to this, and any person skilled in this technical field is in the technical scope of the utility model discloses, according to the technical scheme and the novel conception of the utility model in addition to equal replacement or change, all should be covered within the scope of protection of the utility model.

Claims (5)

1. The utility model provides a multi-functional track construction service cart, includes automobile body and running gear, its characterized in that still includes:

the normally open-to-normally closed mechanism comprises a brake handle, a steel wire rope, a sleeve and a pushing handle, wherein the pushing handle is connected with the vehicle body through the sleeve, the sleeve is arranged at the bottom of the pushing handle, and the sleeve is connected with the brake handle through the steel wire rope;

the hydraulic brake device comprises a brake disc, a brake chuck, a small oil pump and a piston, wherein the piston is arranged on the outer side of a wheel and connected with a brake handle;

the electromagnetic braking device at least comprises a wheel built-in magnet and an electromagnetic brake, the electromagnetic brake comprises a connecting disc, a brake pad and a fixed electromagnet, the fixed electromagnet is arranged in the wheel, the brake pad is arranged on one side of the fixed electromagnet, and the connecting disc and the brake disc are sleeved on an axle.

2. The multifunctional track construction service vehicle as claimed in claim 1, further comprising an auxiliary braking system, wherein the auxiliary braking system comprises a pedal type caster brake and a safety rope, the pedal type caster brake is arranged on the front wheel, the pedal type caster brake comprises a long pedal, a short pedal, a pressing plate and a braking pedal, and the safety rope is arranged on one side of the vehicle body.

3. The multifunctional track construction service vehicle as claimed in claim 1, wherein the electromagnetic braking device further comprises a speed measuring chip, and the speed measuring chip is disposed at one side of the magnet disposed in the wheel.

4. The multifunctional track construction service vehicle as claimed in claim 1, wherein the normally open and normally closed mechanism further comprises a pushing handle stopper, and the pushing handle stopper is disposed inside the sleeve and sleeved at the bottom of the pushing handle.

5. The multifunctional track construction service vehicle as claimed in claim 1, further comprising an iron shoe placing frame, wherein the iron shoe placing frame is arranged on the outer side of the vehicle body.

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