CN211755871U

CN211755871U - Jaw crusher and crawler travel driving system

Info

Publication number: CN211755871U
Application number: CN201922294137.3U
Authority: CN
Inventors: 刘海龙; 罗联银; 康勇军
Original assignee: Fujian South Highway Machinery Co Ltd
Current assignee: Fujian South Highway Machinery Co Ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-10-27
Anticipated expiration: 2029-12-19

Abstract

The utility model relates to a track jaw crushing equipment hydraulic system technical field, concretely relates to jaw breaker and track travel drive system, its characterized in that: the crusher comprises a crusher driving motor, a track motor assembly, a switching device, a power element and an oil tank, wherein the power element is used for providing pressure oil and supplying the pressure oil to the switching device, the crusher driving motor and the track motor assembly are both connected with the switching device and realize the switching of crushing and track walking of a crushing host machine through the switching device, and the track motor assembly comprises a left track hydraulic motor and a right track hydraulic motor. The utility model discloses combine together breaker actuating system and track walking actuating system, sharing hydrostatic pump and control system are convenient for switch over the host computer breakage with the track walking, have reduced the overall cost, in addition, come control track walking speed and direction through the angle of control hydrostatic pump sloping cam plate, have improved track walking actuating system's efficiency and walking speed, have reduced generating heat of system.

Description

Jaw crusher and crawler travel driving system

Technical Field

The utility model relates to a track jaw crushing equipment hydraulic system technical field, specificly relate to a jaw breaker and track walking actuating system.

Background

The movable jaw type crushing equipment for the crawler is mainly used for primary crushing, the materials are crushed to be conveyed to the next stage for crushing by using a belt, the application range of the movable jaw type crushing equipment is wide, the materials are mixed or not mixed with recycled materials, waste materials, asphalt and mineral slag of reinforcing steel bars from hard stone materials to soft stone materials, the materials are applied to mine operation in a large amount, the crawler is integrated into a whole, the movable jaw type crushing equipment is convenient to move and transport in a transition site on a construction site, and the mobility and the flexibility of the movable jaw type crushing equipment are improved.

The existing movable jaw type crushing equipment for the crawler belt has the advantages that the jaw type crushing main machine driving system and the crawler belt traveling driving system are hydraulic systems with completely independent loops, generally speaking, the jaw type crushing main machine driving system is a closed type hydraulic system, the crawler belt traveling driving system is an open type hydraulic system, and because the open type hydraulic system is lower in efficiency than the closed type hydraulic system when in high-power transmission, the efficiency of the crawler belt traveling driving system is lower, the traveling speed is low, in addition, the jaw type crushing main machine driving system and the crawler belt driving system are driven by different hydraulic pumps and hydraulic loops, and the overall cost is high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a combine together breaker actuating system and track walking actuating system, sharing hydrostatic pump and control system are convenient for switch over the host computer breakage with the track walking, have reduced the overall cost, in addition, control track walking speed and direction through the angle of control hydrostatic pump sloping cam plate, have improved track walking actuating system's efficiency and walking speed, have reduced a jaw breaker and track walking actuating system that generates heat of system.

In order to solve the technical problem, the utility model discloses a technical scheme as follows: the utility model provides a jaw breaker and track walking actuating system, includes breaker actuating motor, track motor assembly, auto-change over device, power component and oil tank, power component is used for providing pressure oil and supplies to auto-change over device department, and breaker actuating motor and track motor assembly all are connected with auto-change over device and realize through auto-change over device that broken host computer carries out breakage and track and carry out the switching over of walking, and track motor assembly includes left track hydraulic motor and right track hydraulic motor.

Further, the power element comprises an engine, a first hydrostatic pump and a second hydrostatic pump, and the engine is in transmission connection with the first hydrostatic pump and the second hydrostatic pump.

Further, the switching device comprises a first reversing valve and a second reversing valve, two oil outlets of the first hydrostatic pump are respectively connected with two oil inlets of the first reversing valve, two oil outlets of the second hydrostatic pump are respectively connected with two oil inlets of the second reversing valve, two first oil outlets of the first reversing valve are respectively connected with two oil inlet and outlet ports of the left crawler hydraulic motor, two first oil outlets of the second reversing valve are respectively connected with two oil inlet and outlet ports of the right crawler hydraulic motor, two second oil outlets of the first reversing valve and the second reversing valve are respectively connected with two oil inlet and outlet ports of the crusher driving motor, oil drain ports of the left crawler hydraulic motor, the right crawler hydraulic motor and the crusher driving motor are respectively connected with an oil tank, and oil inlets of the first hydrostatic pump and the second hydrostatic pump are respectively connected with the oil tank.

Furthermore, the first reversing valve and the second reversing valve are two-position six-way electromagnetic reversing valves.

Furthermore, the oil-compensating device also comprises an oil-compensating loop which is used for compensating the leakage of the pressure oil in the driving system.

Furthermore, the oil supplementing loop comprises an oil supplementing pump, two first check valves and two second check valves, the oil supplementing pump is in transmission connection with the engine, an oil inlet of the oil supplementing pump is connected with the oil tank, an oil outlet of the oil supplementing pump is connected with a first oil supplementing oil path and a second oil supplementing oil path which are arranged in parallel, the other end of the first oil supplementing oil path is connected with two working oil paths between the first hydrostatic pump and the first reversing valve through the two first check valves respectively, and the other end of the second oil supplementing oil path is connected with two working oil paths between the second hydrostatic pump and the second reversing valve through the two second check valves respectively.

Furthermore, a first connecting oil way is connected to the first oil supplementing oil way, the other end of the first connecting oil way is connected with the oil tank, and a first overflow valve is arranged on the first connecting oil way.

Furthermore, a second connecting oil way is connected to the second oil supplementing oil way, the other end of the second connecting oil way is connected with the oil tank, and a second overflow valve is arranged on the second connecting oil way.

According to the description, the utility model provides a jaw breaker and crawler travel driving system, through combining crusher driving system and crawler travel driving system, share a set of hydrostatic pump and control system, and through the setting of auto-change over device, be convenient for break host computer breakage and crawler travel to hubei province, the overall cost has been reduced, in addition, through controlling the angle of first hydrostatic pump and second hydrostatic pump sloping cam plate to control left and right crawler travel speed and direction, the efficiency and the travel speed of crawler travel driving system have been improved, the system's heating has been reduced; the oil supplementing pump is used for supplementing oil and dissipating heat, so that leakage of pressure oil in the driving system is compensated conveniently, and normal work of the driving system is ensured.

Drawings

Fig. 1 is a hydraulic schematic diagram of the jaw crusher and the crawler traveling drive system of the present invention.

In the figure: 1-crusher drive motor; 21-left track hydraulic motor; 22-right track hydraulic motor; 31-a first direction valve; 32-a second direction valve; 41-an engine; 42-a first hydrostatic pump; 43-a second hydrostatic pump; 5-an oil tank; 61-oil supplement pump; 62-a first one-way valve; 63-a second one-way valve; 64-a first relief valve; 65-second relief valve.

Detailed Description

The present invention will be further described with reference to the following detailed description.

As shown in fig. 1, a jaw breaker and crawler travel driving system, including breaker driving motor 1, crawler motor assembly, auto-change over device, power component and oil tank 5, power component is used for providing pressure oil and supplies extremely auto-change over device department, breaker driving motor 1 reaches crawler motor assembly all with auto-change over device is connected and passes through auto-change over device realizes that broken host computer carries out the switching that broken and the track carried out the walking, crawler motor assembly includes left crawler hydraulic motor 21 and right crawler hydraulic motor 22.

As shown in fig. 1, the power unit includes an engine 41, a first hydrostatic pump 42 and a second hydrostatic pump 43, and the engine 41 is in transmission connection with the first hydrostatic pump 42 and the second hydrostatic pump 43.

Through combining together breaker actuating system and crawler travel actuating system, share one set of hydrostatic pump and control system, and through switching device's setting is convenient for broken host computer of hubei province and is switched over with the crawler travel, has reduced the overall cost, in addition, through control first hydrostatic pump 42 reaches crawler travel speed and direction about the angle of second hydrostatic pump 43 sloping cam plate is controlled, has improved crawler travel actuating system's efficiency and walking speed, has reduced generating heat of system.

As shown in fig. 1, the switching device includes a first directional control valve 31 and a second directional control valve 32, two oil outlets of the first hydrostatic pump 42 are respectively connected with two oil inlets of the first directional control valve 31, two oil outlets of the second hydrostatic pump 43 are respectively connected with two oil inlets of the second directional control valve 32, two first oil outlets of the first directional control valve 31 are respectively connected with two oil inlets and outlets of the left track hydraulic motor 21, two first oil outlets of the second directional control valve 32 are respectively connected with two oil inlets and outlets of the right track hydraulic motor 22, two second oil outlets of the first directional control valve 31 and the second directional control valve 32 are respectively connected with two oil inlets and outlets of the crusher driving motor 1, oil drain ports of the left track hydraulic motor 21, the right track hydraulic motor 22 and the crusher driving motor 1 are all connected with the oil tank 5, oil inlets of the first and second

hydrostatic pumps

42 and 43 are connected to the oil tank 5, and by controlling the first and second direction-changing

valves

31 and 32, it is convenient to realize that the first and second

hydrostatic pumps

42 and 43 jointly drive the crusher driving motor 1 and put the crusher driving motor 1 into operation, or realize that the first hydrostatic pump 42 drives the left and second

hydrostatic pumps

21 and 43 drives the right crawler hydraulic motor 22 and puts the left and right crawler

hydraulic motors

21 and 22 into operation, and furthermore, a jaw crusher main machine driving system and a crawler driving system in the driving system are closed hydraulic systems, so that crushing efficiency of a jaw crusher main machine can be ensured, and crawler efficiency can be effectively improved, the walking speed of the crawler belt is improved.

As shown in fig. 1, the first direction valve 31 and the second direction valve 32 are both two-position six-way electromagnetic direction valves.

As shown in fig. 1, the drive system further includes an oil supply circuit for compensating for leakage of pressure oil in the drive system.

As shown in fig. 1, the oil supplementing loop includes an oil supplementing pump 61, two first check valves 62 and two second check valves 63, the oil supplementing pump 61 is in transmission connection with the engine 41, an oil inlet of the oil supplementing pump 61 is connected with the oil tank 5, an oil outlet of the oil supplementing pump 61 is connected with a first oil supplementing oil path and a second oil supplementing oil path which are arranged in parallel, the other end of the first oil supplementing oil path is respectively connected with two working oil paths between the first hydrostatic pump 42 and the first reversing valve 31 through the two first check valves 62, the other end of the second oil supplementing oil path is respectively connected with two working oil paths between the second hydrostatic pump 43 and the second reversing valve 32 through the two second check valves 63, and as a jaw crushing host driving system and a crawler driving system in the driving system are both closed hydraulic systems, through the oil supplementing pump 61 mends oil and dispels the heat, is convenient for compensate the leakage of pressure oil in this actuating system, ensures this actuating system's normal work, through first check valve 62 with the setting of second check valve 63, can avoid pressure oil among this actuating system to flow backwards to oil supplementing pump 61 department.

As shown in fig. 1, a first connecting oil path is further connected to the first oil supplementing path, the other end of the first connecting oil path is connected to the oil tank 5, a first overflow valve 64 is disposed on the first connecting oil path, a second connecting oil path is further connected to the second oil supplementing path, the other end of the second connecting oil path is connected to the oil tank 5, a second overflow valve 65 is disposed on the second connecting oil path, and the maximum pressure of the oil supplementing loop is conveniently limited by the arrangement of the first overflow valve 64 and the second overflow valve 65.

A use method of a jaw crusher and a crawler travel driving system is as follows: when the equipment jaw crushing main machine needs to perform crushing work, two oil inlets on the first reversing valve 31 are communicated with two second oil outlets, and two oil inlets on the second reversing valve 32 are communicated with two second oil outlets by controlling the first reversing valve 31 and the second reversing valve 32, so that the first hydrostatic pump 42 and the second hydrostatic pump 43 jointly drive the crusher driving motor 1, and the crusher driving motor 1 is enabled to be put into work; when the equipment needs to perform crawler traveling, two oil inlets on the first reversing valve 31 are communicated with two first oil outlets by controlling the first reversing valve 31 and the second reversing valve 32, and two oil inlets on the second reversing valve 32 are communicated with two first oil outlets, so that the first hydrostatic pump 42 drives the left crawler hydraulic motor 21 and the second hydrostatic pump 43 drives the right crawler hydraulic motor 22, and the left crawler hydraulic motor 21 and the right crawler hydraulic motor 22 are enabled to be put into operation.

The aforesaid is only a plurality of concrete implementation manners of the utility model, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims

1. The utility model provides a jaw breaker and crawler travel actuating system which characterized in that: the hydraulic crusher comprises a crusher driving motor, a track motor assembly, a switching device, a power element and an oil tank, wherein the power element is used for providing pressure oil and supplying the pressure oil to the switching device, the crusher driving motor and the track motor assembly are connected with the switching device and realize the switching of crushing and track walking of a crushing host machine through the switching device, and the track motor assembly comprises a left track hydraulic motor and a right track hydraulic motor.

2. The jaw crusher and track drive system of claim 1, wherein: the power element comprises an engine, a first hydrostatic pump and a second hydrostatic pump, and the engine is in transmission connection with the first hydrostatic pump and the second hydrostatic pump.

3. The jaw crusher and track drive system of claim 2, wherein: the switching device comprises a first reversing valve and a second reversing valve, two oil outlets of the first hydrostatic pump are respectively connected with two oil inlets of the first reversing valve, two oil outlets of the second hydrostatic pump are respectively connected with two oil inlets of the second reversing valve, two first oil outlets of the first reversing valve are respectively connected with two oil inlets and two oil outlets of the left crawler hydraulic motor, two first oil outlets of the second reversing valve are respectively connected with two oil inlets and two oil outlets of the right crawler hydraulic motor, two second oil outlets of the first reversing valve and the second reversing valve are respectively connected with two oil inlets and two oil outlets of the driving motor of the crusher, the oil drain ports of the left crawler hydraulic motor, the right crawler hydraulic motor and the crusher driving motor are all connected with the oil tank, oil inlets of the first hydrostatic pump and the second hydrostatic pump are connected with the oil tank.

4. The jaw crusher and track drive system of claim 3, wherein: the first reversing valve and the second reversing valve are two-position six-way electromagnetic reversing valves.

5. The jaw crusher and track drive system of claim 3, wherein: the oil compensating circuit is used for compensating the leakage of the pressure oil in the driving system.

6. The jaw crusher and track drive system of claim 5, wherein: the oil supplementing loop comprises an oil supplementing pump, two first check valves and two second check valves, the oil supplementing pump is in transmission connection with the engine, an oil inlet of the oil supplementing pump is connected with the oil tank, an oil outlet of the oil supplementing pump is connected with a first oil supplementing oil path and a second oil supplementing oil path which are arranged in parallel, the other end of the first oil supplementing oil path is connected with the first hydrostatic pump and the two working oil paths between the first reversing valves through the two first check valves respectively, and the other end of the second oil supplementing oil path is connected with the second hydrostatic pump and the two working oil paths between the second reversing valves through the two second check valves respectively.

7. The jaw crusher and track drive system of claim 6, wherein: the first oil supplementing oil circuit is further connected with a first connecting oil circuit, the other end of the first connecting oil circuit is connected with the oil tank, and a first overflow valve is arranged on the first connecting oil circuit.

8. The jaw crusher and track drive system of claim 6, wherein: and a second connecting oil way is also connected to the second oil supplementing oil way, the other end of the second connecting oil way is connected with the oil tank, and a second overflow valve is arranged on the second connecting oil way.