CN215890889U

CN215890889U - Crane brake hydraulic station for quickly opening brake

Info

Publication number: CN215890889U
Application number: CN202122339258.2U
Authority: CN
Inventors: 韩宗奇; 王丹丹
Original assignee: Henan Sanhe Machinery Co ltd
Current assignee: Henan Sanhe Machinery Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-02-22
Anticipated expiration: 2031-09-27

Abstract

The utility model provides a crane brake hydraulic station for rapid opening, which comprises an oil tank, an oil pump arranged in the oil tank, a driving motor arranged outside the oil tank, a hydraulic integrated valve group and an energy accumulator, wherein oil outlet pipes of the energy accumulator and the oil pump are communicated with an oil outlet of the hydraulic integrated valve group to supply oil to a hydraulic cylinder; the top inboard of this oil tank is provided with the pump frame, and on the upper end of oil pump was fixed in the pump frame, the top of oil tank corresponds driving motor's output shaft trompil, and the inboard of pump frame is provided with coupling joint oil pump and driving motor's output shaft. The hydraulic station is mainly suitable for the driving process of a hydraulic clamp disc brake and a wheel brake, and in the using process, when oil supply for a hydraulic cylinder is not needed at ordinary times, the oil pump supplies oil for the energy accumulator for energy storage, and when oil supply for the hydraulic cylinder is needed, the oil pump and the energy accumulator supply oil for the hydraulic cylinder at the same time, and the brake is opened rapidly.

Description

Crane brake hydraulic station for quickly opening brake

Technical Field

The utility model relates to a hydraulic system of a crane brake, in particular to a crane brake hydraulic station for quickly opening a brake.

Background

A crane, also known as a crown block, a gantry crane or a crane, refers to a multi-action hoisting machine for vertically lifting and horizontally transporting heavy objects within a certain range. One of the essential parts essential for the safe operation of the crane is a hydraulic brake device, which is usually driven by means of a hydraulic station. However, most of the existing hydraulic stations adopt an oil pump to carry out single oil transportation, which is not beneficial to the rapid brake opening of the crane brake.

In order to solve the above problems, people are always seeking an ideal technical solution.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, and provides a crane brake hydraulic station for quickly opening a brake.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a crane brake hydraulic station for rapid opening comprises an oil tank, an oil pump arranged in the oil tank, a driving motor arranged outside the oil tank, a hydraulic integrated valve group and an energy accumulator, wherein oil outlet pipes of the energy accumulator and the oil pump are communicated with an oil outlet of the hydraulic integrated valve group to supply oil to a hydraulic cylinder; the top inboard of this oil tank is provided with the pump frame, and on the upper end of oil pump was fixed in the pump frame, the top of oil tank corresponds driving motor's output shaft trompil, and the inboard of pump frame is provided with coupling joint oil pump and driving motor's output shaft.

Based on the above, a protective box body is arranged at the top of the oil tank, an L-shaped partition plate is arranged inside the protective box body, an electrical box is arranged on the inner side of the L-shaped partition plate, a sealing plate is arranged at the top of the electrical box, the sealing plate and a top plate of the protective box body are arranged in a split manner, and a wiring hole is formed in the side wall of the electrical box; the outer side of the L-shaped partition plate is provided with a hydraulic accessory box; the front side of the protection box body is provided with box doors corresponding to the hydraulic accessory box and the electrical appliance box respectively.

Based on the aforesaid, driving motor is located the rear side of electrical apparatus case, hydraulic pressure integrated valve group is located the middle part of hydraulic pressure accessory case, and energy accumulator and oil return filter are located the rear side of hydraulic pressure integrated valve group.

Based on the above, the hydraulic integrated valve group comprises a valve group main body, wherein the top of the valve group main body is provided with a manual pump, a pressure gauge, a pressure relay, a normally open electromagnetic valve and a normally closed electromagnetic valve; the side part of the valve group main body is provided with an oil outlet, a one-way valve, a one-way throttle valve and an overflow valve; the bottom of the valve group main body is provided with a manual pump oil pumping pipe and an overflow valve oil return pipe which extend into the oil tank.

On the basis, manual pump, manometer are close to the chamber door setting, and the downside of manometer sets up the manometer switch, the outside of hydraulic pressure accessory case corresponds the oil-out trompil, and the oil-out stretches out from this hole.

Based on the above, the longitudinal part of the L-shaped partition plate is provided with the hanging ring, the inner wall of the hanging ring is provided with the thread, and the upper part of the outer side of the manual pump stress application rod is provided with the thread section to be in threaded connection with the hanging ring.

Based on the above, return oil filter is including setting up in the inside filter screen section of thick bamboo of oil tank, and the upper end of filter screen section of thick bamboo sets up the connecting cylinder, and the connecting cylinder outer wall is provided with the connecting plate, and bolted connection is passed through with the roof of oil tank to the connecting plate, and oil return pipeline is connected to the lateral part of connecting cylinder, and the top of connecting cylinder sets up the end cover.

Based on the above, an oil filling port is arranged between the hanging ring and the hydraulic integrated valve block, and an air filter is arranged on the oil filling port.

Based on the above, install the level gauge in the oil tank, the display screen of level gauge is located the preceding lateral wall of oil tank, and the bottom of oil tank is provided with the oil discharge outlet.

Compared with the prior art, the hydraulic station has substantial characteristics and progress, and particularly provides the hydraulic station for the crane brake for quickly opening the brake. The hydraulic station is mainly suitable for the driving process of a hydraulic clamp disc brake and a wheel brake, and in the using process, when oil supply for a hydraulic cylinder is not needed at ordinary times, the oil pump supplies oil for the energy accumulator for energy storage, and when oil supply for the hydraulic cylinder is needed, the oil pump and the energy accumulator supply oil for the hydraulic cylinder at the same time, and the brake is opened rapidly. In addition, the electrical box and the hydraulic fitting box are fixed together in parallel to realize mechanical and electrical integration.

Drawings

Fig. 1 is a schematic diagram illustrating the connection principle of the parts of the present invention.

Fig. 2 is an internal structural diagram (one) of the present invention.

Fig. 3 is a schematic diagram (two) of the internal structure of the present invention.

Fig. 4 is an external structural view of the present invention.

In the figure: 1. an oil pump; 2. a drive motor; 3. an air cleaner; 4. an oil absorption filter element; 5. a manual pump; 6. a one-way valve; 7. an overflow valve; 8. an accumulator; 9. a pressure relay; 10. a normally closed solenoid valve; 11. a normally open solenoid valve; 12. a pressure gauge; 13. a pressure gauge switch; 14. a one-way throttle valve; 15. an oil return filter; 16. an oil tank; 17. a liquid level meter; 18. a protective box body; 19. a filter screen cylinder; 20. a hydraulic fitting box; 21. an electrical box; 22. a manual pump force application rod; 23. hanging a ring; 24. an overflow valve oil return pipe; 25. a hydraulic integrated valve bank; 26. a pump frame; 27. an oil return line; 28. an L-shaped partition plate; 29. a wiring hole; 30. an oil outlet; 31. an oil discharge port; 32. and (4) a box door.

Detailed Description

The technical solution of the present invention is further described in detail by the following embodiments.

As shown in fig. 1-4, a crane brake hydraulic station for rapid opening includes an oil tank 16, an oil pump 1 disposed inside the oil tank 16, and a driving motor 2 disposed outside the oil tank 16, a hydraulic integration valve bank 25 and an energy accumulator 8, wherein the energy accumulator 8 and an oil outlet pipe of the oil pump 1 are communicated with an oil outlet 30 of the hydraulic integration valve bank 25 to supply oil to a hydraulic cylinder, meanwhile, the oil pump 1 is communicated with the energy accumulator 8 through the hydraulic integration valve bank 25 to supply oil to the energy accumulator 8, and the driving motor 2 is fixed on the top of the oil tank 16 through a flange; the inside of the top of the oil tank 16 is provided with a pump frame 26, the upper end of the oil pump 1 is fixed on the pump frame 26, the top of the oil tank 16 corresponds to an output shaft hole of the driving motor 2, and the inside of the pump frame 26 is provided with an output shaft of the coupling connected with the oil pump 1 and the driving motor 2.

The hydraulic station is mainly suitable for the driving process of a hydraulic clamp disc brake and a wheel brake, and in the using process, when oil supply for a hydraulic cylinder is not needed at ordinary times, the oil pump supplies oil for the energy accumulator for energy storage, and when oil supply for the hydraulic cylinder is needed, the oil pump and the energy accumulator supply oil for the hydraulic cylinder at the same time, and the brake is opened rapidly.

In one embodiment, a protective box body 18 is arranged on the top of the oil tank 16, an L-shaped partition 28 is arranged inside the protective box body 18, an electrical box is arranged inside the L-shaped partition 28 and used for installing and connecting various electric control circuits, a sealing plate is arranged on the top of the electrical box, the sealing plate and the top plate of the protective box body 18 are arranged in a split manner, and a wiring hole 29 is formed in the side wall of the electrical box 21; the outside of the L-shaped partition 28 is the hydraulic fitting housing 20; the front side of the protective box 18 is provided with a box door 32 corresponding to the hydraulic accessory box 20 and the electrical box respectively.

Preferably, the bottom of the protective box body and the top of the oil tank are respectively provided with a connecting part, and the two connecting parts are connected through bolts, so that the stability of the structure is further improved; the two sides of the bottom of the oil tank are respectively provided with a vertical connecting plate, the lower ends of the vertical connecting plates are both bent inwards to form horizontal connecting plates, and the two ends of each horizontal connecting plate are provided with mounting holes so as to be matched and butted with other equipment; lifting lugs are arranged on two sides of the upper part of the oil tank respectively so as to be connected with a lifting appliance of lifting equipment when needed.

In one embodiment, the driving motor 2 is located at the rear side of the electrical box, the hydraulic integrated valve group 25 is located at the middle of the hydraulic fitting box 20, and the accumulator 8 and the oil return filter 15 are located at the rear side of the hydraulic integrated valve group 25. Set up the great driving motor of height and volume and energy storage ware in equipment rear side, avoid causing the influence to the manual operation or the maintenance of other accessories. Preferably, the roof of protection box is the gate-type structure that can open and shut to can open the upper cover and observe or overhaul, because the roof components of a whole that can function independently setting of shrouding and protection box opens the roof simultaneously, can not influence the electrical apparatus case.

In one embodiment, the hydraulic integrated valve group 25 comprises a valve group main body, and a manual pump 5, a pressure gauge 12, a pressure relay 9, a normally open solenoid valve 11 and a normally closed solenoid valve 10 are arranged at the top of the valve group main body; the side part of the valve group main body is provided with an oil outlet 30, a one-way valve 6, a one-way throttle valve 14 and an overflow valve 7; the bottom of the valve block body is provided with a manual pump oil suction pipe and an overflow valve oil return pipe 24 which extend into the oil tank 16. An oil outlet 30 of the manual pump communicated with the hydraulic integrated valve group 25 supplies oil to the hydraulic cylinder, and preferably, the normally closed electromagnetic valve is an electromagnetic valve with manual operation.

In one embodiment, the manual pump 5 and the pressure gauge 12 are disposed near the tank door 32, the pressure gauge switch 13 is disposed on the lower side of the pressure gauge 12 for gauge observation and manual pump operation, and the outer side of the hydraulic component tank 20 is opened corresponding to the oil outlet 30, and the oil outlet 30 is protruded from the hole.

In one embodiment, the longitudinal portion of the L-shaped partition 28 is provided with a hanging ring 23, the inner wall of the hanging ring 23 is provided with threads, and the upper part of the outer side of the manual pump force applying rod 22 is provided with a threaded section which is in threaded connection with the hanging ring 23.

In one embodiment, the oil return filter 15 includes a filter screen cylinder 19 disposed inside the oil tank 16, a connection cylinder is disposed at an upper end of the filter screen cylinder 19, a connection plate is disposed on an outer wall of the connection cylinder, the connection plate is connected with a top plate of the oil tank 16 through a bolt, an oil return pipeline 27 is connected to a side portion of the connection cylinder, and an end cover is disposed at a top portion of the connection cylinder.

In one embodiment, an oil filling port is arranged between the hanging ring 23 and the hydraulic integrated valve block, and an air filter 3 is arranged on the oil filling port. An end cover is arranged at the top of the air filter, and oil can be added into the oil tank by opening the end cover.

In one embodiment, a liquid level meter 17 is installed in the oil tank 16, a display screen of the liquid level meter 17 is located on a front side wall of the oil tank 16, and an oil discharge port 31 is formed at the bottom of the oil tank 16.

The above embodiments may be combined with each other.

The working principle of the utility model is as follows

The driving motor and the electromagnetic valve are simultaneously electrified, the return pipeline is closed, the system supplies oil to the oil cylinder, the pressure continues to rise after the oil cylinder acts in place, a signal is sent to power off the motor after the pressure relay sets high pressure, the normally closed electromagnetic valve is not powered off, and the oil cylinder keeps an oil inlet pressure maintaining state at the moment; if the system leaks to reduce the pressure, when the pressure relay sets low pressure, the switch is switched on the motor to maintain the system to change within the set pressure range;

when the driving motor and the electromagnetic valve are simultaneously powered off, the return pipeline is opened, the system is unloaded, and the oil cylinder is reset under the action of the spring.

It should be noted that the valve installation related in the utility model can refer to the mark in the attached figure 1 so as to meet the requirements of oil supply, maintenance or debugging and the like, the utility model can also be used for the drive control of a single-acting oil cylinder in other machines, and the system has a pressure maintaining function and has certain leakage compensation capacity; the system is provided with a manual pump and can be used in case of power failure emergency.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.

Claims

1. A crane brake hydraulic station for rapid opening of a brake is characterized in that: the hydraulic integrated valve group comprises an oil tank, an oil pump arranged in the oil tank, and a driving motor, a hydraulic integrated valve group and an energy accumulator which are arranged outside the oil tank, wherein oil outlet pipes of the energy accumulator and the oil pump are communicated with an oil outlet of the hydraulic integrated valve group to supply oil to a hydraulic cylinder; the top inboard of this oil tank is provided with the pump frame, and on the upper end of oil pump was fixed in the pump frame, the top of oil tank corresponds driving motor's output shaft trompil, and the inboard of pump frame is provided with coupling joint oil pump and driving motor's output shaft.

2. The crane brake hydraulic station for rapid opening of brake as claimed in claim 1, characterized in that: the top of the oil tank is provided with a protective tank body, an L-shaped partition plate is arranged inside the protective tank body, an electric appliance box is arranged on the inner side of the L-shaped partition plate, the top of the electric appliance box is provided with a sealing plate, the sealing plate and a top plate of the protective tank body are arranged in a split mode, and the side wall of the electric appliance box is provided with a wiring hole; the outer side of the L-shaped partition plate is provided with a hydraulic accessory box; the front side of the protection box body is provided with box doors corresponding to the hydraulic accessory box and the electrical appliance box respectively.

3. The crane brake hydraulic station for rapid opening of brake as claimed in claim 2, characterized in that: the driving motor is located at the rear side of the electric appliance box, the hydraulic integrated valve group is located in the middle of the hydraulic accessory box, and the energy accumulator and the oil return filter are located at the rear side of the hydraulic integrated valve group.

4. The crane brake hydraulic station for rapid opening of brake as claimed in claim 2 or 3, characterized in that: the hydraulic integrated valve group comprises a valve group main body, wherein the top of the valve group main body is provided with a manual pump, a pressure gauge, a pressure relay, a normally open electromagnetic valve and a normally closed electromagnetic valve; the side part of the valve group main body is provided with an oil outlet, a one-way valve, a one-way throttle valve and an overflow valve; the bottom of the valve group main body is provided with a manual pump oil pumping pipe and an overflow valve oil return pipe which extend into the oil tank.

5. The crane brake hydraulic station for rapid opening of brake as claimed in claim 4, characterized in that: manual pump, manometer are close to the chamber door setting, and the downside of manometer sets up the manometer switch, the outside of hydraulic pressure accessory case corresponds the oil-out trompil, and the oil-out stretches out from this hole.

6. The crane brake hydraulic station for rapid opening of brake as claimed in claim 2 or 3, characterized in that: the longitudinal part of the L-shaped partition plate is provided with a hanging ring, the inner wall of the hanging ring is provided with threads, and the upper part of the outer side of the manual pump stress application rod is provided with a thread section which is in threaded connection with the hanging ring.

7. The crane brake hydraulic station for rapid opening of brake as claimed in claim 3, characterized in that: the oil return filter is including setting up in the inside filter screen section of thick bamboo of oil tank, and the upper end of filter screen section of thick bamboo sets up the connecting cylinder, and the connecting cylinder outer wall is provided with the connecting plate, and bolted connection is passed through with the roof of oil tank to the connecting plate, and oil return pipeline is connected to the lateral part of connecting cylinder, and the top of connecting cylinder sets up the end cover.

8. The crane brake hydraulic station for rapid opening of brake as claimed in claim 6, characterized in that: an oil filling port is arranged between the hanging ring and the hydraulic integrated valve block, and an air filter is arranged on the oil filling port.

9. The crane brake hydraulic station for rapid opening of brake as claimed in any one of claims 1 to 3, characterized in that: install the level gauge in the oil tank, the display screen of level gauge is located the preceding lateral wall of oil tank, and the bottom of oil tank is provided with the oil discharge outlet.