CN209749191U - Quick braking device for feeding device of silage harvester - Google Patents
Quick braking device for feeding device of silage harvester Download PDFInfo
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- CN209749191U CN209749191U CN201920346400.6U CN201920346400U CN209749191U CN 209749191 U CN209749191 U CN 209749191U CN 201920346400 U CN201920346400 U CN 201920346400U CN 209749191 U CN209749191 U CN 209749191U
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- feeding
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Abstract
The utility model discloses a quick arresting gear is used to silage machine feeding device, including ensiling organism (2) of taking driver's cabin (1) be provided with feeding conveyor (3) and feeding transport transmission (4) on ensiling organism (2) driver's cabin (1) below is provided with two-way variable pump (5) the input of feeding transport transmission (4) is provided with and is used for controlling feeding transport transmission (4) driven plunger motor (6) be provided with quick brake valve (7) on plunger motor (6), connect through hydraulic pressure pipeline between two-way variable pump (5), plunger motor (6) and quick brake valve (7). The utility model has the advantages of structural design is ingenious, use reliably, low cost, adopt it to carry out emergency braking to feeding device under any state, prevented to the damage of cutting into pieces and secondary breaker, reduced unnecessary economic loss, improved work efficiency.
Description
Technical Field
The utility model relates to a quick arresting gear, especially a quick arresting gear is used to silage machine feeding device.
Background
At present, when the existing ensiling harvester works, due to the shielding of crops, foreign matters such as metal, stone, ceramics, wood blocks and the like which are close to the ground are not easy to be found, the crops easily enter a chopping and secondary crushing device through a feeding device, the feeding amount of the crops is large, the feeding speed is high, the foreign matters mixed in straws cannot be found in time, and as a result, the foreign matters enter a core working component through the feeding device, so that the core component is damaged; in this case, and in emergency situations, it is necessary to automate, intelligentize or manually bring up a sudden stop of the machine, while existing ensilage machines are not equipped with corresponding devices.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a silage machine quick braking device for feeding device that can carry out emergency braking.
The utility model aims at realizing through such technical scheme, a quick arresting gear is used to silage machine feeding device, including the silage organism of taking the driver's cabin be provided with feeding conveyor and feeding transport transmission on the silage organism the driver's cabin below is provided with two-way variable pump feeding transport transmission's input is provided with and is used for controlling feeding transport transmission driven plunger motor be provided with the quick brake valve on the plunger motor, connect through hydraulic pressure pipeline between two-way variable pump, plunger motor and the quick brake valve.
Wherein, the quick brake valve includes A, B, AM, BM and L hydraulic pressure hydraulic fluid port, two-way variable displacement pump includes A1、B1And a T interface, the plunger motor comprises A2And B2An interface; the A, B and the L hydraulic oil port are respectively connected with the A through a hydraulic pipeline1、B1And the AM and BM hydraulic oil ports are respectively connected with the A port2And B2And (6) interface connection.
The quick brake valve is provided with a hydraulic control stop valve, a hydraulic control conduction valve, an overflow valve and an electromagnetic valve, the hydraulic control stop valve is arranged between a hydraulic oil port B and a hydraulic oil port BM in series, the hydraulic control conduction valve is arranged between a hydraulic oil port A and the hydraulic oil port B in parallel, the overflow valve is arranged between an hydraulic oil port AM and the hydraulic oil port BM in parallel, and the electromagnetic valve is arranged between a hydraulic oil port L and a hydraulic oil port A in series.
Further, the hydraulic control stop valve comprises a free end A and a spring end A, and a bidirectional stop valve A and a one-way valve A are arranged at the free end A; the electromagnetic valve comprises a source end, and a bidirectional stop valve B and a throttle valve are arranged at the source end; the hydraulic control conduction valve comprises a free end B and a spring end B; the spring end A of the hydraulic control stop valve is connected with the spring end B of the hydraulic control conduction valve through a hydraulic pipeline; the spring end A of the hydraulic control stop valve and the free end of the hydraulic control conduction valve are respectively connected in oil paths of the B and BM and the A and B through hydraulic pipelines; the electromagnetic valve comprises A3And a P interface, said A3And the P interface is respectively connected with the L hydraulic oil port and the A hydraulic oil port through hydraulic pipelines.
Since the technical scheme is used, the utility model has the advantages of structural design is ingenious, use reliably, low cost, adopt it to carry out emergency braking to feeding device under any state, prevented to the damage of cutting up and secondary breaker, reduced unnecessary economic loss, improved work efficiency.
Drawings
The drawings of the utility model are as follows:
Fig. 1 is a schematic structural view of the present invention;
Fig. 2 is a perspective view of the plunger motor and the quick brake valve according to the present invention;
Fig. 3 is a schematic diagram of the quick brake valve of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be provided with reference to the accompanying drawings, but the present invention is not limited to these embodiments, and any modifications or substitutions in the basic spirit of the embodiments will still fall within the scope of the present invention as claimed in the appended claims.
Example 1: as shown in fig. 1 and 2, the quick braking device for the feeding device of the silage harvester comprises a silage harvester body 2 with a cab 1, a feeding and conveying device 3 and a feeding and conveying transmission device 4 are arranged on the silage harvester body 2, a bidirectional variable pump 5 is arranged below the cab 1, a plunger motor 6 for controlling the feeding and conveying transmission device 4 to drive is arranged at the input end of the feeding and conveying transmission device 4, a quick braking valve 7 is arranged on the plunger motor 6, and the bidirectional variable pump 5, the plunger motor 6 and the quick braking valve 7 are connected through hydraulic pipelines.
Wherein, as shown in fig. 3, the quick brake valve 7 comprises a hydraulic port A, a hydraulic port B, a hydraulic port AM, a hydraulic port BM and a hydraulic port L, and the bidirectional variable displacement pump 5 comprises a hydraulic port A1、B1And a T interface, the plunger motor 6 comprises A2And B2An interface; the A, B and the L hydraulic oil port are respectively connected with the A through a hydraulic pipeline1、B1And the AM and BM hydraulic oil ports are respectively connected with the A port2And B2And (6) interface connection.
Further described, a hydraulic control stop valve 8, a hydraulic control conduction valve 9, an overflow valve 10 and an electromagnetic valve 11 are arranged in the rapid brake valve 7, the hydraulic control stop valve 8 is arranged between the B hydraulic port and the BM hydraulic port in series, the hydraulic control conduction valve 9 is arranged between the a hydraulic port and the B hydraulic port in parallel, the overflow valve 10 is arranged between the AM hydraulic port and the BM hydraulic port in parallel, and the electromagnetic valve 11 is arranged between the L hydraulic port and the a hydraulic port in series.
The hydraulic control stop valve 8 comprises a free end A and a spring end A, and a two-way stop valve A12 and a one-way valve A13 are arranged at the free end A; the electromagnetic valve 11 comprises a source end, and a two-way stop valve B14 and a throttle valve 15 are arranged at the source end; the hydraulic control conduction valve 9 comprises a free end B and a spring end B; the spring end A of the hydraulic control stop valve 8 is connected with the spring end B of the hydraulic control conduction valve 9 through a hydraulic pipeline; the spring end A of the hydraulic control stop valve 8 and the free end of the hydraulic control conduction valve 9 are respectively connected in oil paths of the B and BM and the A and B through hydraulic pipelines; the electromagnetic valve 11 comprises A3And a P interface, said A3And the P interface is respectively connected with the L hydraulic pressure through a hydraulic pipelineThe oil port is connected with the hydraulic oil port A.
The utility model discloses a work like this: the utility model discloses in order to protect feeding device, comminution device, secondary crushing device's safety, feeding device procedure setting needs normal operation after the elder generation reverses.
This embodiment needs to be used with a stone detection sensor or a metal detector sensor arranged on the feed conveyor.
The quick brake valve 7 throttles and supplies oil to the spring end A and the spring end B of the hydraulic control conduction valve 9 and the hydraulic control stop valve 8 respectively through an oil path in the reverse rotation process of the plunger motor 6, supplies oil to the free end A and the free end B of the hydraulic control conduction valve 9 and the hydraulic control stop valve 8 until the oil supply pressure of the spring end B, the spring end A, the free end B and the free end A of the hydraulic control conduction valve 9 and the hydraulic control stop valve 8 is balanced, and the feeding device can perform forward rotation work after 2S reverse rotation; when a hard solid object is mixed in the feeding device, the stone detection sensor can generate strong displacement (an electric signal is uploaded by the metal detector sensor), the displacement condition or the electric signal can be uploaded by the sensor, the feeding device control module sends an action command to the solenoid valve coil, the port of the quick brake valve L is communicated to the middle oil duct of the spring end A and the spring end B of the hydraulic control stop valve 8 and the hydraulic control conduction valve 9, the pressure of the spring end A and the spring end B of the hydraulic control stop valve 8 and the hydraulic control conduction valve 9 after the communication is rapidly reduced (pressure difference imbalance), so that the free end A and the free end B of the hydraulic control stop valve 8 and the hydraulic control conduction valve 9 instantly and simultaneously act, the free end A of the hydraulic control stop valve 8 instantly acts to cut off the oil path between the BM and the port B, the plunger motor 6 of the feeding transmission device rapidly brakes, and the pressure in the main oil, in order to avoid the impact on the plunger motor 6, an overflow valve 10 is arranged in parallel in an oil way between the AM port and the BM port, so that the mechanical transmission part is not damaged; the free end B of the hydraulic control conducting valve 9 acts instantaneously to connect an A, B port of the external bidirectional variable pump 5, pressure oil in the bidirectional variable pump 5 does not pass through the plunger motor 6 any more, and directly circulates in the bidirectional variable pump 5, the whole action is less than 0.1S, and the purpose of rapid braking is achieved.
After the fault is eliminated, in order to protect the safety of the feeding device, the program setting of the feeding device needs to be firstly reversed and then normally operated, and preparation is made for the next quick braking.
Example 2: the utility model discloses in order to protect feeding device, comminution device, secondary breaker's safety, feeding device procedure setting need rotate the back normal operating again earlier, for the reply feeding operation in-process meets emergency and need the quick braking when, has especially set up emergency stop button on driving platform left side and walking operating handle.
The quick brake valve 7 throttles and supplies oil to the spring end A and the spring end B of the hydraulic control conduction valve 9 and the hydraulic control stop valve 8 respectively through an oil path in the reverse rotation process of the plunger motor 6, supplies oil to the free end A and the free end B of the hydraulic control conduction valve 9 and the hydraulic control stop valve 8 until the oil supply pressure of the spring end B, the spring end A, the free end B and the free end A of the hydraulic control conduction valve 9 and the hydraulic control stop valve 8 is balanced, and the feeding device can perform forward rotation work after 2S reverse rotation; when rapid braking is needed in an emergency in the feeding operation process, a button switch on the left side of a driving platform or on a walking control handle is operated, a feeding device control module sends an action command to an electromagnetic valve coil, a port L of a rapid braking valve is communicated to an intermediate oil duct between a spring end A and a spring end B of a hydraulic control stop valve 8 and a hydraulic control conduction valve 9, the pressure of the spring end A and the spring end B of the hydraulic control stop valve 8 and the hydraulic control conduction valve 9 after the communication is reduced (pressure difference imbalance) so that the free end A and the free end B of the hydraulic control stop valve 8 and the hydraulic control conduction valve 9 instantly and simultaneously act, the free end A of the hydraulic control stop valve 8 instantly acts to cut off an oil path between BM and the port B, a plunger motor 6 of a feeding transmission device is rapidly braked, the pressure in a main oil duct instantly rises, and an overflow valve 10 is arranged in parallel connection in the oil path between the AM port and the BM port in, the mechanical transmission part is prevented from being damaged; the free end B of the hydraulic control conducting valve 9 acts instantaneously to connect an A, B port of the external bidirectional variable pump 5, pressure oil in the bidirectional variable pump 5 does not pass through the plunger motor 6 any more, and directly circulates in the bidirectional variable pump 5, the whole action is less than 0.1S, and the purpose of rapid braking is achieved.
After the fault is eliminated, in order to protect the safety of the feeding device, the program setting of the feeding device needs to be firstly reversed and then normally operated, and preparation is made for the next quick braking.
Claims (4)
1. The utility model provides a quick arresting gear is used to silage machine feeding device, includes silage organism (2) of taking driver's cabin (1) be provided with feeding conveyor (3) and feeding transport transmission (4) on silage organism (2), characterized by: the hydraulic control system is characterized in that a bidirectional variable pump (5) is arranged below the cab (1), a plunger motor (6) used for controlling the driving of the feeding conveying transmission device (4) is arranged at the input end of the feeding conveying transmission device (4), a quick brake valve (7) is arranged on the plunger motor (6), and the bidirectional variable pump (5), the plunger motor (6) and the quick brake valve (7) are connected through hydraulic pipelines.
2. A quick braking device for a feeding device of ensilage machines as claimed in claim 1, characterized in that: the rapid brake valve (7) comprises A, B, AM, BM and L hydraulic oil ports, and the bidirectional variable pump (5) comprises A1、B1and a T interface, the plunger motor (6) comprises A2And B2An interface; the A, B and the L hydraulic oil port are respectively connected with the A through a hydraulic pipeline1、B1And the AM and BM hydraulic oil ports are respectively connected with the A port2And B2And (6) interface connection.
3. a quick braking device for a feeder of ensilage machines as claimed in claim 2, characterised in that: the hydraulic control quick brake system is characterized in that a hydraulic control stop valve (8), a hydraulic control conduction valve (9), an overflow valve (10) and an electromagnetic valve (11) are arranged in the quick brake valve (7), the hydraulic control stop valve (8) is arranged between a hydraulic oil port B and a hydraulic oil port BM in series, the hydraulic control conduction valve (9) is arranged between the hydraulic oil port A and the hydraulic oil port B in parallel, the overflow valve (10) is arranged between the hydraulic oil port AM and the hydraulic oil port BM in parallel, and the electromagnetic valve (11) is arranged between the hydraulic oil port L and the hydraulic oil port A in series.
4. An ensiling machine according to claim 3quick arresting gear is used to feeding device, characterized by: the hydraulic control stop valve (8) comprises a free end A and a spring end A, and a bidirectional stop valve A (12) and a one-way valve A (13) are arranged at the free end A; the electromagnetic valve (11) comprises a source end, and a bidirectional stop valve B (14) and a throttle valve (15) are arranged at the source end; the hydraulic control conduction valve (9) comprises a free end B and a spring end B; the spring end A of the hydraulic control stop valve (8) is connected with the spring end B of the hydraulic control conduction valve (9) through a hydraulic pipeline; the spring end A of the hydraulic control stop valve (8) and the free end of the hydraulic control conduction valve (9) are respectively connected in oil paths of the B and BM and the A and B through hydraulic pipelines; the electromagnetic valve (11) comprises A3And a P interface, said A3And the P interface is respectively connected with the L hydraulic oil port and the A hydraulic oil port through hydraulic pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920346400.6U CN209749191U (en) | 2019-03-19 | 2019-03-19 | Quick braking device for feeding device of silage harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920346400.6U CN209749191U (en) | 2019-03-19 | 2019-03-19 | Quick braking device for feeding device of silage harvester |
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| Publication Number | Publication Date |
|---|---|
| CN209749191U true CN209749191U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920346400.6U Active CN209749191U (en) | 2019-03-19 | 2019-03-19 | Quick braking device for feeding device of silage harvester |
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| Country | Link |
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| CN (1) | CN209749191U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109792889A (en) * | 2019-03-19 | 2019-05-24 | 河北宗申戈梅利农业机械制造有限公司 | A kind of ensilage machine feeding unit Quick-speed braking arrangement |
-
2019
- 2019-03-19 CN CN201920346400.6U patent/CN209749191U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109792889A (en) * | 2019-03-19 | 2019-05-24 | 河北宗申戈梅利农业机械制造有限公司 | A kind of ensilage machine feeding unit Quick-speed braking arrangement |
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