CN215948325U

CN215948325U - Multifunctional handle for backhoe loader

Info

Publication number: CN215948325U
Application number: CN202122299788.9U
Authority: CN
Inventors: 李志刚; 韩标; 董文华; 魏勋利; 宋全; 颜颖
Original assignee: Science and Technology Branch of XCMG
Current assignee: Science and Technology Branch of XCMG
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-03-04
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a multifunctional handle for a loader-digger, which comprises a handle control module, a function switching valve group, a button, a three-position switch, a gear shifting module, a multifunctional hydraulic module and a quick-change output interface, wherein the handle control module is connected with the function switching valve group, the button and the three-position switch are directly arranged on a handle, the three-position switch controls the gear shifting module and the multifunctional hydraulic module to act, and the multifunctional hydraulic module is connected with the quick-change output interface. The button controls the horn and the cut-off solenoid valve to work, and the three-position switch controls the forward movement, the backward movement and the work of the multifunctional machine. The utility model solves the problems of single handle function or poor comfort and occupied space of a plurality of sets of handles in the prior art.

Description

Multifunctional handle for backhoe loader

Technical Field

The utility model relates to a multifunctional handle for a loader-digger, belonging to the technical field of engineering machinery.

Background

The loader digger is commonly called as 'two-end busy', namely, the loader digger has two functions of loading and digging at the same time, but is a multifunctional machine, and the loading end and the digging end of the loader digger can be equipped with different machines to realize different functions, such as cleaning, milling, crushing, drilling and the like. Because it needs to realize the function more, most loaderdigger on the market adopts two sets to three sets of handles to realize, and the cost is higher on the one hand, and on the other hand occupies a large amount of spaces, reduces the operation travelling comfort.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model aims to provide a multifunctional handle for an excavating loader, and the multifunctional handle solves the problems that the handle in the prior art has single function or a plurality of sets of handles occupy space and are poor in comfort.

In order to achieve the above object, the present invention adopts the following technical solutions:

the utility model provides a multifunctional handle for backhoe loader, includes handle manipulation module, function switching valves, button, tribit switch, shifts the module, multi-functional hydraulic module and quick change output interface, and the function switching valves is connected to handle manipulation module, and button and tribit switch directly set up on the handle, and the tribit switch control shifts module and multi-functional hydraulic module action, and multi-functional hydraulic module connects quick change output interface.

Further, the handle control module comprises an oil source port P, an oil return port T, a working port 1, a working port 2, a working port 3 and a working port 4; the function switching valve group comprises a first electromagnetic valve and a second electromagnetic valve, wherein the first electromagnetic valve comprises an oil port M1, an oil port M2, an oil port M1 'and an oil port M2', and the second electromagnetic valve comprises an oil port M3, an oil port M4, an oil port M3 'and an oil port M4';

when the first electromagnetic valve and the second electromagnetic valve are powered off, the working port 1 and the working port 2 are respectively communicated with the oil port M1 and the oil port M2, and the working port 3 and the working port 4 are respectively communicated with the oil port M3 and the oil port M4;

the first electromagnetic valve and the second electromagnetic valve are electrified, the working port 1 and the working port 2 are respectively communicated with the oil port M1 'and the oil port M2', and the working port 3 and the working port 4 are respectively communicated with the oil port M3 'and the oil port M4'.

Further, the first electromagnetic valve and the second electromagnetic valve are both three-position six-way electromagnetic valves.

Further, the button comprises a power supply port A and a ground port G, the three-position switch comprises a B position, a C position and a vacant position, and the power supply port A is simultaneously connected with the button and the three-position switch.

Furthermore, the button also comprises an A1 port and an A2 port, the power supply port A is connected with the A1 port and the A2 port through a relay K1, the relay K1 is connected with the A1 port in the initial state, and the relay K1 is connected with the A2 port after being electrified.

Further, the port a1 is connected to a horn, and the port a2 is connected to a solenoid valve.

Further, the control gear shifting module comprises a forward solenoid valve and a backward solenoid valve, a B position of a three-position switch is communicated with the forward solenoid valve and the multifunctional hydraulic module through a relay K2, and a C position of the three-position switch is communicated with the backward solenoid valve and the multifunctional hydraulic module through a relay K3; the relay K2 is communicated with the B position and the forward electromagnetic valve in the initial state, and the relay K2 is communicated with the B position and the multifunctional hydraulic module after being electrified; the relay K3 is communicated with the C position and the backward electromagnetic valve in the initial state, and the relay K3 is communicated with the C position and the multifunctional hydraulic module after being electrified.

Further, the multifunctional hydraulic module is a three-position six-way valve.

Furthermore, an output oil port of the multifunctional hydraulic module is connected with an oil inlet end of the quick-change output interface, and an oil outlet end of the quick-change output interface is connected with a multifunctional machine tool.

The utility model achieves the following beneficial effects:

1. the multifunctional output requirement of the product is met by integrating multiple functional operations such as loading, digging, gear shifting, cleaning and the like on one handle.

2. The single handle is adopted to realize functions, so that the cost is effectively reduced, and the comfort of a human machine is improved.

Drawings

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

FIG. 2 is a functional schematic of the hydraulic portion of the handle of the present invention;

fig. 3 is a functional schematic diagram of the electrical portion of the handle of the present invention.

The meaning of the reference symbols in the figures: 1-a handle operating module; 2-function switching valve group; 21-a first solenoid valve; 22-a second solenoid valve; 3-a button; 4-a three-position switch; 5-a shift module; 51-forward solenoid valve; 52-a backward solenoid valve; 6-a multifunctional hydraulic module; 7-fast output interface.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

The embodiment discloses a multifunctional handle for a backhoe loader, which comprises a handle hydraulic part and a handle electric part as shown in figure 1. The handle hydraulic part comprises a handle control module 1 and a function switching valve group 2, and the handle electrical part comprises a button 3, a three-position switch 4, a gear shifting module 5, a multifunctional hydraulic module 6 and a quick-change output interface 7.

Referring to fig. 2, the handle operation module 1 is provided with an oil source port P, an oil return port T, a working port 1, a working port 2, a working port 3, and a working port 4, wherein the working port 1 and the working port 2 output a set of motions, and the working port 3 and the working port 4 output a set of motions; the function switching valve group 2 includes two three-position six-way solenoid valves, wherein the first solenoid valve 21 is provided with an oil port M1, an oil port M2, an oil port M1 'and an oil port M2', and the first solenoid valve (22) is provided with an oil port M3, an oil port M4, an oil port M3 'and an oil port M4'. When the function switching valve group 2 is not powered on, the working port 1 and the working port 2 are respectively communicated with the oil port M1 and the oil port M2, the working port 3 and the working port 4 are respectively communicated with the oil port M3 and the oil port M4, and hydraulic oil is transferred to the oil port M1, the oil port M2, the oil port M3 and the oil port M4 through the working port 1, the working port 2, the working port 3 and the working port 4; when the function switching valve group 2 is in an electrified state, the working port 1 and the working port 2 are respectively communicated with the oil port M1 'and the oil port M2', the working port 3 and the working port 4 are respectively communicated with the oil port M3 'and the oil port M4', and hydraulic oil is respectively transferred to the oil port M1 ', the oil port M2', the oil port M3 'and the oil port M4' through the working port 1, the working port 2, the working port 3 and the working port 4. The oil circuit switching is realized by controlling the power on and off of the function switching valve group 2. In the embodiment, the multifunctional handle is used for the excavating loader, when M1 and M2 represent a large cavity and a small cavity for loading a boom cylinder respectively, M1 'and M2' are connected with the large cavity and the small cavity for excavating the boom cylinder respectively, when the control function switching valve group 2 is not powered, one group of actions of the forward and backward movement of the handle is the lifting and falling of the loading boom, and when the control function switching valve group 2 is powered, the function of the handle is switched to the lifting and falling of the excavating boom.

Referring to fig. 1 and 2, the push button 3 and the three-position switch 4 are directly disposed on the handle, the three-position switch 4 is provided with a B position, a C position and a null position, the B position is initially connected to a forward solenoid valve (51) of the shift module 5 through a relay K2, the C position is initially connected to a reverse solenoid valve (52) of the shift module 5 through a relay K3, and switching between forward and reverse is realized through switching between the B/C positions. When the relay K2 is powered on, the B position is connected to the left end of the multifunctional hydraulic module 6 through the relay K2, so that the multifunctional hydraulic module 6 is in a left working state; when the relay K3 is powered on, the C bit is connected to the right end of the multifunctional hydraulic module 6 through the relay K3, so that the multifunctional hydraulic module 6 is in a right working state. In this embodiment, the multifunctional hydraulic module 6 is a three-position six-way valve, and two electromagnetic valves are respectively disposed on the left and right sides of the multifunctional hydraulic module to push valve positions to switch, so as to realize reversing of an oil path. An output oil port of the multifunctional hydraulic module 6 is connected with an oil inlet end of the quick-change output interface 7, and an oil outlet end of the quick-change output interface 7 can be connected with a multifunctional machine tool to provide a power oil source for the machine tool.

Handle electrical part button 3 includes power mouth A and ground connection mouth G, and three-position switch 4 power supply is given simultaneously to power mouth A, and power mouth A is through relay K1 initial connection to A1 mouth, and after relay K1 got the electricity, power mouth A was connected to A2 mouth, can switch into two kinds of functions with the button function through the relay, for example A1 can be connected with loudspeaker, and A2 can connect a certain solenoid valve, the break-make of control oil circuit etc..

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a multifunctional handle for backhoe loader, its characterized in that, includes handle manipulation module (1), function switching valves (2), button (3), three-position switch (4), shifts module (5), multi-functional hydraulic module (6) and quick change output interface (7), function switching valves (2) are connected in handle manipulation module (1), button (3) and three-position switch (4) directly set up on the handle, three-position switch (4) control shifts module (5) and multi-functional hydraulic module (6) action, quick change output interface (7) are connected in multi-functional hydraulic module (6).

2. The multifunctional handle for the backhoe loader according to claim 1, wherein the handle manipulation module (1) comprises an oil source port P, an oil return port T, a working port 1, a working port 2, a working port 3, a working port 4; the function switching valve group (2) comprises a first electromagnetic valve (21) and a second electromagnetic valve (22), wherein the first electromagnetic valve (21) comprises an oil port M1, an oil port M2, an oil port M1 'and an oil port M2', and the second electromagnetic valve (22) comprises an oil port M3, an oil port M4, an oil port M3 'and an oil port M4';

when the first electromagnetic valve (21) and the second electromagnetic valve (22) are powered off, the working port 1 and the working port 2 are respectively communicated with the oil port M1 and the oil port M2, and the working port 3 and the working port 4 are respectively communicated with the oil port M3 and the oil port M4;

the first electromagnetic valve (21) and the second electromagnetic valve (22) are electrified, the working port 1 and the working port 2 are respectively communicated with the oil port M1 'and the oil port M2', and the working port 3 and the working port 4 are respectively communicated with the oil port M3 'and the oil port M4'.

3. The multifunctional handle for the backhoe loader as claimed in claim 2, wherein the first solenoid valve (21) and the second solenoid valve (22) are both three-position six-way solenoid valves.

4. The multifunctional handle for the backhoe loader as claimed in claim 1, wherein the button (3) comprises a power port A and a ground port G, the three-position switch (4) comprises a B-position, a C-position and a vacant position, and the power port A is connected with the button (3) and the three-position switch (4) at the same time.

5. The multifunctional handle for the backhoe loader as claimed in claim 4, wherein the button (3) further comprises a port A1 and a port A2, the power port A is connected with the port A1 and the port A2 through a relay K1, the relay K1 is connected with the port A1 in the initial state, and the relay K1 is connected with the port A2 after being powered.

6. The multifunctional handle for the backhoe loader of claim 5, wherein the port A1 is connected with a horn, and the port A2 is connected with a solenoid valve.

7. The multifunctional handle for the backhoe loader as claimed in claim 4, wherein the control shift module (5) comprises a forward solenoid valve (51) and a reverse solenoid valve (52), the three-position switch (4) B communicates the forward solenoid valve (51) and the multifunctional hydraulic module (6) through a relay K2, and the three-position switch (4) C communicates the reverse solenoid valve (52) and the multifunctional hydraulic module (6) through a relay K3; the relay K2 is communicated with a B position and a forward solenoid valve (51) in an initial state, and the relay K2 is communicated with the B position and a multifunctional hydraulic module (6) after being electrified; the relay K3 is communicated with the C position and the backward electromagnetic valve (52) in the initial state, and the relay K3 is communicated with the C position and the multifunctional hydraulic module (6) after being electrified.

8. The multifunctional handle for the backhoe loader as claimed in claim 7, wherein the multifunctional hydraulic module (6) is a three-position six-way valve.

9. The multifunctional handle for the backhoe loader of claim 1, wherein an output oil port of the multifunctional hydraulic module (6) is connected with an oil inlet end of a quick-change output interface (7), and an oil outlet end of the quick-change output interface (7) is connected with a multifunctional machine tool.