CN211449245U - Crawler belt walking hydraulic system with safety module - Google Patents
Crawler belt walking hydraulic system with safety module Download PDFInfo
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- CN211449245U CN211449245U CN201922294296.3U CN201922294296U CN211449245U CN 211449245 U CN211449245 U CN 211449245U CN 201922294296 U CN201922294296 U CN 201922294296U CN 211449245 U CN211449245 U CN 211449245U
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Abstract
The utility model relates to a crawler belt walking hydraulic system technical field, concretely relates to crawler belt walking hydraulic system with safety module, its characterized in that: the hydraulic control system comprises a power element, a first electromagnetic reversing valve, a second electromagnetic reversing valve, a left crawler hydraulic motor, a right crawler hydraulic motor and an oil tank, wherein a first safety module which can bypass two oil inlet and outlet ports of the left crawler hydraulic motor is connected between the first electromagnetic reversing valve and two working oil ways of the left crawler hydraulic motor, and a second safety module which can bypass the two oil inlet and outlet ports of the right crawler hydraulic motor is connected between the second electromagnetic reversing valve and the two working oil ways of the right crawler hydraulic motor. The utility model discloses effectively promote the security of crawler travel, greatly reduced the crawler travel possibility of action that meets accident, ensured the safety of operating personnel and equipment.
Description
Technical Field
The utility model relates to a crawler travel hydraulic system technical field, specificly relate to a crawler travel hydraulic system with safety module.
Background
The track removes broken screening equipment, the crushing of wide application in mine rock and ore, building stones processing, the peel-off formula of cement concrete transformation is broken, and the broken before the regeneration of asphalt concrete material, cement concrete construction waste regeneration is broken etc. it is integrated as an organic whole with the track, is convenient for at the onsite removal of building site and the transportation of changeing, has promoted equipment mobility and flexibility.
However, the safety of the track traveling hydraulic system of the existing track moving type crushing and screening equipment is insufficient, when a traveling control valve fails, for example, a valve core of the traveling control valve is stuck or other reasons cause the traveling control valve to work under an unexpected state, when an engine of the equipment is started, the track traveling is easy to lose control, an unexpected traveling action is generated, and the personal safety of operators is easily damaged or equipment accidents are easily caused.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a crawler travel hydraulic system with safety module that has effectively promoted crawler travel's security, greatly reduced crawler travel accident action's possibility, ensured the safety of operating personnel and equipment.
In order to solve the technical problem, the utility model discloses a technical scheme as follows: a crawler belt walking hydraulic system with safety modules comprises a power element, a first electromagnetic directional valve, a second electromagnetic directional valve, a left crawler belt hydraulic motor, a right crawler belt hydraulic motor and an oil tank, wherein the power element is used for providing pressure oil and supplying the pressure oil to oil inlets of the first electromagnetic directional valve and the second electromagnetic directional valve, two oil outlets of the first electromagnetic directional valve are respectively connected with two oil inlets and two oil outlets of the left crawler belt hydraulic motor, two oil outlets of the second electromagnetic directional valve are respectively connected with two oil inlets and two oil outlets of the right crawler belt hydraulic motor, oil return ports of the first electromagnetic directional valve, the second electromagnetic directional valve, the left crawler belt hydraulic motor and the right crawler belt hydraulic motor are respectively connected with the oil tank, a first safety module capable of achieving a bypass effect on the two oil inlets and the two oil outlets of the left crawler belt hydraulic motor is connected between two working oil paths of the first electromagnetic directional valve and the left crawler belt hydraulic motor, when the electromagnet on the first electromagnetic reversing valve is electrified, the first safety module cancels the bypass of the two oil inlet and outlet ports of the left crawler hydraulic motor and enables the left crawler hydraulic motor to be put into operation, a second safety module which can bypass the two oil inlet and outlet ports of the right crawler hydraulic motor is connected between the second electromagnetic reversing valve and the two working oil ways of the right crawler hydraulic motor, and when the electromagnet on the second electromagnetic reversing valve is electrified, the second safety module cancels the bypass of the two oil inlet and outlet ports of the right crawler hydraulic motor and enables the right crawler hydraulic motor to be put into operation.
Furthermore, the power element comprises an engine and a duplex pump, the engine is in transmission connection with the duplex pump, two oil outlets of the duplex pump are respectively connected with an oil inlet of the first electromagnetic directional valve and an oil inlet of the second electromagnetic directional valve, and two oil inlets of the duplex pump are connected with the oil tank.
Furthermore, the first electromagnetic directional valve and the second electromagnetic directional valve are three-position four-way electromagnetic directional valves.
Furthermore, the first safety module comprises a first electromagnetic on-off valve, two oil inlets and two oil outlets of the first electromagnetic on-off valve are respectively connected with two working oil paths between the first electromagnetic directional valve and the left crawler hydraulic motor, and the first electromagnetic on-off valve is a two-position two-way electromagnetic valve.
Furthermore, the first electromagnetic on-off valve is a normally open electromagnetic valve, when the electromagnet on the first electromagnetic reversing valve is electrified, the electromagnet on the first electromagnetic on-off valve is also electrified, and at the moment, the first electromagnetic on-off valve cancels the bypass of the two oil inlet and outlet ports of the left crawler hydraulic motor and enables the left crawler hydraulic motor to work.
Furthermore, the second safety module comprises a second electromagnetic on-off valve, two oil inlets and two oil outlets of the second electromagnetic on-off valve are respectively connected with two working oil paths between the second electromagnetic directional valve and the right crawler hydraulic motor, and the second electromagnetic on-off valve is a two-position two-way electromagnetic valve.
Furthermore, the second electromagnetic on-off valve is a normally open electromagnetic valve, when the electromagnet on the second electromagnetic reversing valve is electrified, the electromagnet on the second electromagnetic on-off valve is also electrified, and at the moment, the second electromagnetic on-off valve cancels the bypass of the two oil inlet and outlet ports of the right-track hydraulic motor and enables the right-track hydraulic motor to work.
Furthermore, a working oil path between the duplex pump and the first electromagnetic directional valve is connected with a first connecting oil path, the other end of the first connecting oil path is connected with an oil tank, and a first overflow valve is arranged on the first connecting oil path.
Furthermore, a second connecting oil way is connected to a working oil way between the duplex pump and the second electromagnetic directional valve, the other end of the second connecting oil way is connected with an oil tank, and a second overflow valve is arranged on the second connecting oil way.
According to the above description, the utility model provides a pair of crawler travel hydraulic system with safety module, through the setting of first electromagnetism on-off valve and second electromagnetism on-off valve, when the electro-magnet of first electromagnetism on-off valve and second electromagnetism on-off valve is not circular telegram, first electromagnetism on-off valve all is in the connected state with second electromagnetism on-off valve, at this moment, two business turn over hydraulic fluid ports of left side crawler hydraulic motor are by first electromagnetism on-off valve bypass, two business turn over hydraulic fluid ports of right side crawler hydraulic motor are by second electromagnetism on-off valve bypass, no matter first electromagnetism switching-over valve and second electromagnetism switching-over valve are in what kind of state this moment, left side crawler hydraulic motor and right crawler hydraulic motor all can not move, can prevent from this moment after the engine starts, because unexpected circumstances, for example first electromagnetism switching-over valve and second electromagnetism switching-over valve case jamming, or other reasons cause first electromagnetism switching-over valve and second electromagnetism switching-over valve to make left side crawler hydraulic motor and right side crawler hydraulic motor under unexpected state The motor works, only when an operator sends a forward, turning or backward command through the remote controller, the electromagnets of the first electromagnetic reversing valve and the second electromagnetic reversing valve are electrified, when the electromagnet on the first electromagnetic reversing valve is electrified, the electromagnet on the first electromagnetic on-off valve is also electrified, at the moment, the first electromagnetic on-off valve cancels the bypass of the two oil inlets and the two oil outlets of the left crawler hydraulic motor and enables the left crawler hydraulic motor to work, when the electromagnet on the second electromagnetic directional valve is electrified, the electromagnet on the second electromagnetic on-off valve is also electrified, the second electromagnetic on-off valve cancels the bypass of the two oil inlets and the oil outlets of the right crawler hydraulic motor and enables the right crawler hydraulic motor to work, the safety of crawler walking is effectively improved, the possibility of accidental actions of crawler walking is greatly reduced, and the safety of operators and equipment is ensured.
Drawings
Fig. 1 is the hydraulic schematic diagram of the crawler belt walking hydraulic system with the safety module of the present invention.
In the figure: 1-a power element; 11-an engine; 12-double pump; 2-a first electromagnetic directional valve; 3-a second electromagnetic directional valve; 4-left track hydraulic motor; 5-right track hydraulic motor; 6-an oil tank; 7-a first electromagnetic on-off valve; 8-a second electromagnetic on-off valve; 91-a first overflow valve; 92-second relief valve.
Detailed Description
The present invention will be further described with reference to the following detailed description.
As shown in fig. 1, the crawler belt walking hydraulic system with the safety module of the present invention comprises a power element 1, a first electromagnetic directional valve 2, a second electromagnetic directional valve 3, a left crawler belt hydraulic motor 4, a right crawler belt hydraulic motor 5 and an oil tank 6, wherein the power element 1 is used for providing pressure oil and supplying the pressure oil to the oil inlets of the first electromagnetic directional valve 2 and the second electromagnetic directional valve 3, two oil outlets of the first electromagnetic directional valve 2 are respectively connected with two oil inlets and two oil outlets of the left crawler belt hydraulic motor 4, two oil outlets of the second electromagnetic directional valve 3 are respectively connected with two oil inlets and two oil outlets of the right crawler belt hydraulic motor 5, the oil inlets of the first electromagnetic directional valve 2, the second electromagnetic directional valve 3, the left crawler belt hydraulic motor 4 and the right crawler belt hydraulic motor 5 are all connected with the oil tank 6, a first safety module which can bypass two oil inlets and two oil outlets of the left crawler hydraulic motor 4 is connected between the first electromagnetic directional valve 2 and two working oil paths of the left crawler hydraulic motor 4, when the electromagnet on the first electromagnetic directional valve 2 is electrified, the first safety module cancels the bypass of two oil inlets and two oil outlets of the left crawler hydraulic motor 4 and enables the left crawler hydraulic motor 4 to work, a second safety module which can bypass two oil inlets and two oil outlets of the right crawler hydraulic motor 5 is connected between the second electromagnetic directional valve 3 and two working oil paths of the right crawler hydraulic motor 5, when the electromagnet on the second electromagnetic directional valve 3 is electrified, the second safety module cancels the bypass of two oil inlets and two oil outlets of the right crawler hydraulic motor 5 and enables the right crawler hydraulic motor 5 to work.
As shown in fig. 1, the power element 1 includes an engine 11 and a dual pump 12, the engine 11 is in transmission connection with the dual pump 12, two oil outlets of the dual pump 12 are respectively connected with an oil inlet of the first electromagnetic directional valve 2 and an oil inlet of the second electromagnetic directional valve 3, and two oil inlets of the dual pump 12 are connected with the oil tank 6.
As shown in fig. 1, the first electromagnetic directional valve 2 and the second electromagnetic directional valve 3 are both three-position four-way electromagnetic directional valves.
As shown in fig. 1, the first safety module includes a first electromagnetic on-off valve 7, two oil inlets and two oil outlets of the first electromagnetic on-off valve 7 are respectively connected to two working oil paths between the first electromagnetic directional valve 2 and the left crawler hydraulic motor 4, and the first electromagnetic on-off valve 7 is a two-position two-way electromagnetic valve.
As shown in fig. 1, the first electromagnetic on-off valve 7 is a normally open electromagnetic valve, when the electromagnet of the first electromagnetic on-off valve 7 is not energized, the first electromagnetic on-off valve 7 is in a communicating state, at this time, two oil inlets and outlets of the left crawler hydraulic motor 4 are bypassed by the first electromagnetic on-off valve 7, if pressure oil enters, the pressure oil will directly return to the oil tank 6 through the first electromagnetic on-off valve 7, and no matter what state the first electromagnetic reversing valve 2 is in, the left crawler hydraulic motor 4 will not operate, so that after the engine 11 is started, the left crawler hydraulic motor 4 is prevented from operating in an unexpected state due to an unexpected condition, such as jamming of a valve core of the first electromagnetic reversing valve 2 or other reasons, only when an operator sends forward movement through a remote controller, When a turning or backing command is given, the electromagnet of the first electromagnetic directional valve 2 is electrified, and when the electromagnet on the first electromagnetic directional valve 2 is electrified, the electromagnet on the first electromagnetic on-off valve 7 is also electrified, at this time, the first electromagnetic on-off valve 7 cancels the bypass of two oil inlets and outlets of the left crawler hydraulic motor 4, and enables the left crawler hydraulic motor 4 to work.
As shown in fig. 1, the second safety module includes a second electromagnetic on-off valve 8, two oil inlets and two oil outlets of the second electromagnetic on-off valve 8 are respectively connected to two working oil paths between the second electromagnetic directional valve 3 and the right crawler hydraulic motor 5, and the second electromagnetic on-off valve 8 is a two-position two-way electromagnetic valve.
As shown in fig. 1, the second electromagnetic on-off valve 8 is a normally open electromagnetic valve, when the electromagnet of the second electromagnetic on-off valve 8 is not energized, the second electromagnetic on-off valve 8 is in a communicating state, at this time, two oil inlets and outlets of the right crawler hydraulic motor 5 are bypassed by the second electromagnetic on-off valve 8, if pressure oil enters, the pressure oil directly returns to the oil tank 6 through the second electromagnetic on-off valve 8, and no matter what state the second electromagnetic reversing valve 3 is, the right crawler hydraulic motor 5 does not operate, so that after the engine 11 is started, the right crawler hydraulic motor 5 is prevented from operating in an unexpected state due to an unexpected condition, such as jamming of a valve core of the second electromagnetic reversing valve 3 or other reasons, only when an operator sends forward movement through a remote controller, When a turning or backing command is given, the electromagnet of the second electromagnetic directional valve 3 is electrified, and when the electromagnet on the second electromagnetic directional valve 3 is electrified, the electromagnet on the second electromagnetic on-off valve 8 is also electrified, at this time, the second electromagnetic on-off valve 8 cancels the bypass of two oil inlets and outlets of the right crawler hydraulic motor 5, and enables the right crawler hydraulic motor 5 to work.
As shown in fig. 1, a working oil path between the dual pump 12 and the first electromagnetic directional valve 2 is connected to a first connecting oil path, the other end of the first connecting oil path is connected to the oil tank 6, a first overflow valve 91 is arranged on the first connecting oil path, a working oil path between the dual pump 12 and the second electromagnetic directional valve 3 is connected to a second connecting oil path, the other end of the second connecting oil path is connected to the oil tank 6, a second overflow valve 92 is arranged on the second connecting oil path, and the maximum pressure of the crawler travel hydraulic system is conveniently limited by the arrangement of the first overflow valve 91 and the second overflow valve 92.
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 (9)
1. The utility model provides a crawler travel hydraulic system with safety module, includes power component, first electromagnetic directional valve, second electromagnetic directional valve, left track hydraulic motor, right track hydraulic motor and oil tank, power component is used for providing pressure oil and supplies to first electromagnetic directional valve with the oil inlet department of second electromagnetic directional valve, two oil-outs of first electromagnetic directional valve respectively with two business turn over hydraulic fluid ports of left track hydraulic motor are connected, two oil-outs of second electromagnetic directional valve respectively with two business turn over hydraulic fluid ports of right track hydraulic motor are connected, first electromagnetic directional valve second electromagnetic directional valve left track hydraulic motor with the oil return opening of right track hydraulic motor all with the oil tank is connected, its characterized in that: the first safety module is connected between the first electromagnetic reversing valve and two working oil paths of the left crawler hydraulic motor and can bypass two oil inlet and outlet ports of the left crawler hydraulic motor, when an electromagnet on the first electromagnetic reversing valve is electrified, the first safety module cancels the bypass of the two oil inlet and outlet ports of the left crawler hydraulic motor and enables the left crawler hydraulic motor to work, when an electromagnet on the second electromagnetic reversing valve and the two working oil paths of the right crawler hydraulic motor are connected with the second safety module which can bypass the two oil inlet and outlet ports of the right crawler hydraulic motor, and when the electromagnet on the second electromagnetic reversing valve is electrified, the second safety module cancels the bypass of the two oil inlet and outlet ports of the right crawler hydraulic motor and enables the right crawler hydraulic motor to work.
2. A crawler travel hydraulic system with a safety module according to claim 1, characterized in that: the power element comprises an engine and a dual pump, the engine is in transmission connection with the dual pump, two oil outlets of the dual pump are respectively connected with an oil inlet of the first electromagnetic reversing valve and an oil inlet of the second electromagnetic reversing valve, and two oil inlets of the dual pump are connected with the oil tank.
3. Crawler-track hydraulic system with safety modules according to claim 1 or 2, characterized in that: the first electromagnetic directional valve and the second electromagnetic directional valve are three-position four-way electromagnetic directional valves.
4. A crawler travel hydraulic system with a safety module according to claim 1, characterized in that: the first safety module comprises a first electromagnetic on-off valve, two oil inlets and oil outlets of the first electromagnetic on-off valve are respectively connected with two working oil paths between the first electromagnetic directional valve and the left crawler hydraulic motor, and the first electromagnetic on-off valve is a two-position two-way electromagnetic valve.
5. Crawler-track hydraulic system with safety modules according to claim 4, characterized in that: the first electromagnetic on-off valve is a normally open electromagnetic valve, when the electromagnet on the first electromagnetic reversing valve is electrified, the electromagnet on the first electromagnetic on-off valve is also electrified, and at the moment, the first electromagnetic on-off valve cancels the bypass of the two oil inlet and outlet ports of the left crawler hydraulic motor and enables the left crawler hydraulic motor to work.
6. A crawler travel hydraulic system with a safety module according to claim 1, characterized in that: the second safety module comprises a second electromagnetic on-off valve, two oil inlets and oil outlets of the second electromagnetic on-off valve are respectively connected with two working oil paths between the second electromagnetic directional valve and the right crawler hydraulic motor, and the second electromagnetic on-off valve is a two-position two-way electromagnetic valve.
7. A crawler travel hydraulic system with a safety module according to claim 6, characterized in that: the second electromagnetic on-off valve is a normally open electromagnetic valve, when the electromagnet on the second electromagnetic reversing valve is electrified, the electromagnet on the second electromagnetic on-off valve is also electrified, and at the moment, the second electromagnetic on-off valve cancels the bypass of the two oil inlet and outlet ports of the right crawler hydraulic motor and enables the right crawler hydraulic motor to work.
8. A crawler travel hydraulic system with a safety module according to claim 2, characterized in that: and a working oil path between the duplex pump and the first electromagnetic directional valve is connected with a first connecting oil path, the other end of the first connecting oil path is connected with the oil tank, and a first overflow valve is arranged on the first connecting oil path.
9. A crawler travel hydraulic system with a safety module according to claim 2, characterized in that: and a working oil path between the duplex pump and the second electromagnetic directional valve is connected with a second connecting oil path, the other end of the second connecting oil path is connected with the oil tank, and a second overflow valve is arranged on the second connecting oil path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922294296.3U CN211449245U (en) | 2019-12-19 | 2019-12-19 | Crawler belt walking hydraulic system with safety module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922294296.3U CN211449245U (en) | 2019-12-19 | 2019-12-19 | Crawler belt walking hydraulic system with safety module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211449245U true CN211449245U (en) | 2020-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922294296.3U Expired - Fee Related CN211449245U (en) | 2019-12-19 | 2019-12-19 | Crawler belt walking hydraulic system with safety module |
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| Country | Link |
|---|---|
| CN (1) | CN211449245U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116605323A (en) * | 2023-07-20 | 2023-08-18 | 吉林市祥隆铁路救援技术开发有限公司 | Automatic integrated multifunctional power equipment |
-
2019
- 2019-12-19 CN CN201922294296.3U patent/CN211449245U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116605323A (en) * | 2023-07-20 | 2023-08-18 | 吉林市祥隆铁路救援技术开发有限公司 | Automatic integrated multifunctional power equipment |
| CN116605323B (en) * | 2023-07-20 | 2023-09-08 | 吉林市祥隆铁路救援技术开发有限公司 | Automatic integrated multifunctional power equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200908 Termination date: 20211219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |