CN108533730A - The linkage control device of the shifting-position mechanism and vacuum pump control mechanism of suction-type sewer scavenger - Google Patents
The linkage control device of the shifting-position mechanism and vacuum pump control mechanism of suction-type sewer scavenger Download PDFInfo
- Publication number
- CN108533730A CN108533730A CN201810703424.2A CN201810703424A CN108533730A CN 108533730 A CN108533730 A CN 108533730A CN 201810703424 A CN201810703424 A CN 201810703424A CN 108533730 A CN108533730 A CN 108533730A
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- Prior art keywords
- valve
- block selecting
- oil inlet
- oil
- vacuum pump
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/021—Valves for interconnecting the fluid chambers of an actuator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Sewage (AREA)
Abstract
A kind of linkage control device of the shifting-position mechanism and vacuum pump control mechanism of suction-type sewer scavenger, including motor, vacuum pump, first manual reversal valve, block selecting operation valve, forward gear clutch, retreating gear clutch, hydraulic pump and fuel tank；The execution mouth A of block selecting operation valve is connected to forward gear clutch, the execution mouth B of block selecting operation valve is connected to retreating gear clutch, the execution mouth A of first manual reversal valve is connected to the oil inlet of motor, and the oil outlet T of first manual reversal valve and the oil outlet of motor are connected to fuel tank；It further include the second hand-operated direction valve；The oil inlet P of second hand-operated direction valve is connected to hydraulic pump；First oil outlet A of the second hand-operated direction valve is connected to the oil inlet P of block selecting operation valve, and the second oil outlet B of the second hand-operated direction valve is connected to the oil inlet P of first manual reversal valve.The present invention can prevent suction-type sewer scavenger when carrying out soil pick-up operation driver from driving of putting into gear, driver put into gear driving when vacuum pump will not rotate.
Description
Technical field
The present invention relates to a kind of suction-type sewer scavenger, more particularly to the connection of the shifting-position mechanism and vacuum pump control mechanism of a kind of suction-type sewer scavenger
Dynamic control device.
Background technology
The shifting-position mechanism of the suction-type sewer scavenger of the prior art as shown in figure 3, including block selecting operation valve 60, forward gear clutch 61,
Retreating gear clutch 62, hydraulic pump 63 and fuel tank 65, the control stick 60-1 that block selecting operation valve 60 includes, the oil inlet of hydraulic pump 63
It is connected to fuel tank 65, the oil inlet P of block selecting operation valve 60 is connected to the oil outlet of hydraulic pump 63, the execution mouth of block selecting operation valve 60
A is connected to forward gear clutch 61, and the execution mouth B of block selecting operation valve 60 is connected to retreating gear clutch 62, block selecting operation valve 60
Control stick 60-1 connect with positioned at the gear selector of driver's cabin by flexible axle.When driver's operation is positioned at the gear of driver's cabin
When selector is allowed to hang on forward gear, the control stick 60-1 movements of block selecting operation valve 60 are driven by flexible axle, make block selecting operation valve
60 oil inlet P is communicated with mouth A is executed, and the pressure oil in hydraulic pump 63 enters forward gear clutch 61, forward gear clutch 61
In conjunction with suction-type sewer scavenger is hung on forward gear；When driver's operation is allowed to hang in retreating gear positioned at the gear selector of driver's cabin,
The control stick 60-1 movements that block selecting operation valve 60 is driven by flexible axle, make the oil inlet P of block selecting operation valve 60 be communicated with mouth B is executed,
Pressure oil in hydraulic pump 63 enters retreating gear clutch 62, and retreating gear clutch 62 combines, and suction-type sewer scavenger is hung in retreating gear.When
Driver operates the gear selector of driver's cabin when being allowed to hang in neutral gear, the oil inlet P of block selecting operation valve 60 with execute mouth A and
It executes mouth B to be not communicated with, in discrete state, suction-type sewer scavenger is hung in neutral gear for forward gear clutch 61 and retreating gear clutch 62.
The vacuum pump control mechanism of the suction-type sewer scavenger of the prior art is as shown in Fig. 2, including motor 50, vacuum pump 51 and first-hand
Dynamic reversal valve 52, the oil inlet P of first manual reversal valve 52 are connected to the oil outlet of hydraulic pump 63, first manual reversal valve 52
Execution mouth A be connected to the oil inlet of motor 50, the input shaft 51-1 of vacuum pump 51 and the output shaft 50-1 of motor 50 pass through connection
Axis device is sequentially connected, when suction-type sewer scavenger needs soil pick-up, operation first manual reversal valve 52, make first manual reversal valve 52 into
Hydraulic fluid port P is communicated with mouth A is executed, and the pressure oil in hydraulic pump 63 enters motor 50 through first manual reversal valve 52, makes motor 50
Output shaft 50-1 rotations, to drive the input shaft 51-1 synchronous rotaries of vacuum pump 51, vacuum pump 51 will be in the tank body of suction-type sewer scavenger
Air extraction so that sewage is pressed into soil pick-up in atmospheric pressure and tank body under the action of the difference of pressure, by sewage through dirt sucking tube
In the tank body of vehicle.Soil pick-up operation can be completed in this way.After the completion of soil pick-up operation, need first to operate first-hand move by driver
To valve 52, the oil inlet P of first manual reversal valve 52 is set to be not communicated with mouth A is executed, the pressure oil in hydraulic pump 63 cannot enter
Motor 50, motor 50 no longer rotate, and vacuum pump 51 also no longer rotates, then operate the gear selector positioned at driver's cabin, make soil pick-up
Vehicle is hung in forward gear or retreating gear, is then open to traffic.
When suction-type sewer scavenger is when carrying out soil pick-up operation (pressure oil in hydraulic pump 63 can enter motor 50), driver should not hang
Forward gear or retreating gear (pressure oil in hydraulic pump 63 cannot enter forward gear clutch 61 or retreating gear clutch 62) are simultaneously opened
Begin vehicle, this is because when carrying out soil pick-up operation, needs to move the dirt sucking tube being connected to tank body by staff, if at this moment driving
Member hangs forward gear or retreating gear and is open to traffic, and staff can be made very dangerous.After the completion of soil pick-up operation, driver needs
Hang forward gear or retreating gear (pressure oil in hydraulic pump 63 can enter forward gear clutch 61 or retreating gear clutch 62) simultaneously
It is open to traffic, at this moment vacuum pump 51 should not rotate (pressure oil in hydraulic pump 63 cannot enter motor 50) again, this is because row
Vacuum pump 51, which continues rotation, when can't carry out soil pick-up operation when vehicle, and drive a vehicle can waste fuel oil.
Coordinated signals are can not achieve between the shifting-position mechanism and vacuum pump control mechanism of the suction-type sewer scavenger of the prior art, work as soil pick-up
When carrying out soil pick-up operation, driver still can hang forward gear or retreating gear and be open to traffic vehicle, can make operation soil pick-up in this way
The staff of pipe is very dangerous.When driver hangs forward gear or retreating gear and is open to traffic, vacuum pump 51 still can be with
It is rotating, can thus waste fuel oil.
Invention content
It is an object of the invention to propose a kind of suction-type sewer scavenger driver when carrying out soil pick-up operation cannot hang forward gear or after
It moves back gear and is open to traffic, the gear for the suction-type sewer scavenger that driver hangs forward gear or retreating gear and vacuum pump will not rotate when being open to traffic
The linkage control device of mechanism and vacuum pump control mechanism.
In order to achieve the above objectives, the present invention adopts the following technical scheme that：A kind of shifting-position mechanism of suction-type sewer scavenger and vacuum pump control
The linkage control device of mechanism processed, including motor, vacuum pump, first manual reversal valve, block selecting operation valve, forward gear clutch,
Retreating gear clutch, hydraulic pump and fuel tank；The control stick that the block selecting operation valve includes；The oil inlet and fuel tank of the hydraulic pump
Connection；The execution mouth A of the block selecting operation valve is connected to forward gear clutch, the execution mouth B of block selecting operation valve and retreating gear from
Clutch is connected to, and the control stick of block selecting operation valve is connect by flexible axle with the gear selector positioned at driver's cabin；The first manual
The execution mouth A of reversal valve is connected to the oil inlet of motor, the oil outlet T of first manual reversal valve and the oil outlet of motor with oil
Case is connected to；The input shaft of the vacuum pump and the output shaft of motor are sequentially connected；
It further include the second hand-operated direction valve；The oil inlet P of second hand-operated direction valve is connected to the oil outlet of hydraulic pump；Second
First oil outlet A of hand-operated direction valve is connected to the oil inlet P of block selecting operation valve, the second oil outlet B of the second hand-operated direction valve
It is connected to the oil inlet P of first manual reversal valve.
It further include filter；The filter is arranged on the oily channel of the oil inlet of fuel tank to hydraulic pump.
It further include safety valve；The safety valve is arranged on oily channel of the oil outlet in hydraulic pump to fuel tank.
The present invention has following good effect：(1) due to the oil inlet P and hydraulic pump of the second hand-operated direction valve of the present invention
Oil outlet connection；First oil outlet A of the second hand-operated direction valve is connected to the oil inlet P of block selecting operation valve, and second-hand moves
It is connected to the second oil outlet B of valve with the oil inlet P of first manual reversal valve, thus when suction-type sewer scavenger carries out soil pick-up operation, the
The oil inlet P of two hand-operated direction valves is communicated with the second oil outlet B, and the pressure oil in hydraulic pump is through the second hand-operated direction valve again through
One hand-operated direction valve enters motor, drives vacuum pump rotation by motor and carries out soil pick-up operation.Even if at this moment block selecting operation valve
Oil inlet P is communicated with execution mouth A or the oil inlet P of block selecting operation valve is communicated with mouth B is executed, but due to the second hand-operated direction valve
Oil inlet P and the first oil outlet A are simultaneously not communicated with, thus the pressure oil in hydraulic pump can not reach forward gear clutch or retrogressing
Keep off clutch.I.e. when suction-type sewer scavenger is when carrying out soil pick-up operation, driver cannot hang forward gear or retreating gear, cannot also start
Driving, thus can make the staff of operation dirt sucking tube very safe.(2) due to the present invention the second hand-operated direction valve into
Hydraulic fluid port P is connected to the oil outlet of hydraulic pump；First oil outlet A of the second hand-operated direction valve connects with the oil inlet P of block selecting operation valve
Logical, the second oil outlet B of the second hand-operated direction valve is connected to the oil inlet P of first manual reversal valve, thus when soil pick-up is made already
It completes, driver operates the second hand-operated direction valve, so that the oil inlet P of the second hand-operated direction valve is communicated with the first oil outlet A, then grasp
Make the gear selector positioned at driver's cabin, the oil inlet P of block selecting operation valve is made to communicate or make block selecting operation valve with mouth A is executed
Oil inlet P is communicated with mouth B is executed, and the pressure oil in hydraulic pump enters forward gear through block selecting operation valve again through the second hand-operated direction valve
Clutch or retreating gear clutch, driver can be open to traffic.Even if the at this moment oil inlet P of first manual reversal valve and execution
Mouthful A is communicated, but due to the oil inlet P of the second hand-operated direction valve and the second oil outlet B and is not communicated with, thus the pressure in hydraulic pump
Power oil can not enter motor, and motor cannot drive vacuum pump to rotate.I.e. when driver hangs forward gear or retreating gear and starting row
Che Shi, vacuum pump cannot rotate, and will not thus waste fuel oil.
Description of the drawings
Fig. 1 is the principle of the present invention figure；
Fig. 2 is the schematic diagram of the vacuum pump control mechanism of the suction-type sewer scavenger of the prior art；
Fig. 3 is the schematic diagram of the shifting-position mechanism of the suction-type sewer scavenger of the prior art.
Reference numeral in above-mentioned attached drawing is as follows：Second hand-operated direction valve 1, motor 50, output shaft 50-1, vacuum pump 51,
Input shaft 51-1, first manual reversal valve 52, block selecting operation valve 60, control stick 60-1, forward gear clutch 61, retreating gear clutch
Device 62, hydraulic pump 63, filter 64, fuel tank 65, safety valve 66.
Specific implementation mode
Below in conjunction with attached drawing and the embodiment provided, the present invention is further illustrated.
As shown in Figure 1, the linkage control device of the shifting-position mechanism and vacuum pump control mechanism of a kind of suction-type sewer scavenger, including motor
50, vacuum pump 51, first manual reversal valve 52, block selecting operation valve 60, forward gear clutch 61, retreating gear clutch 62, hydraulic pressure
Pump 63 and fuel tank 65；The control stick 60-1 that the block selecting operation valve 60 includes；The oil inlet of the hydraulic pump 63 connects with fuel tank 65
It is logical；The execution mouth A of the block selecting operation valve 60 is connected to forward gear clutch 61, execution mouth B and the retrogressing of block selecting operation valve 60
It keeps off clutch 62 to be connected to, the control stick 60-1 of block selecting operation valve 60 is connect by flexible axle with the gear selector positioned at driver's cabin；
The execution mouth A of the first manual reversal valve 52 is connected to the oil inlet of motor 50, the oil outlet T of first manual reversal valve 52 and
The oil outlet of motor 50 is connected to fuel tank 65；The input shaft 51-1 of the vacuum pump 51 and output shaft 50-1 of motor 50 is logical
Cross shaft coupling drive connection；
It further include the second hand-operated direction valve 1；The oil inlet P of second hand-operated direction valve 1 is connected to the oil outlet of hydraulic pump 63；
First oil outlet A of the second hand-operated direction valve 1 is connected to the oil inlet P of block selecting operation valve 60, and the of the second hand-operated direction valve 1
Two oil outlet B are connected to the oil inlet P of first manual reversal valve 52.
It further include filter 64；The filter 64 is arranged on the oily channel of the oil inlet of fuel tank 65 to hydraulic pump 63.
It further include safety valve 66；The safety valve 66 is arranged on oily channel of the oil outlet in hydraulic pump 63 to fuel tank 65.
Working principle of the present invention is as follows：When suction-type sewer scavenger needs to carry out soil pick-up operation, the second hand-operated direction valve is first operated
1, so that the oil inlet P of the second hand-operated direction valve 1 is communicated with the second oil outlet B, then operate first manual reversal valve 52, makes first-hand
The oil inlet P of dynamic reversal valve 52 is communicated with mouth A is executed, and the pressure oil in hydraulic pump 63 is through the second hand-operated direction valve 1 again through first
Hand-operated direction valve 52 enters motor 50, drives the rotation of vacuum pump 51 by motor 50 and carries out soil pick-up operation.At this moment if driver
Start to hang forward gear or retreating gear, make the oil inlet P of block selecting operation valve 60 communicated with execution mouth A or make block selecting operation valve 60 into
Hydraulic fluid port P is communicated with mouth B is executed, but due to the oil inlet P of the second hand-operated direction valve 1 at this time and the first oil outlet A and is not communicated with, because
And the pressure oil in hydraulic pump 63 cannot arrive the oil inlet P of block selecting operation valve 60 through the second hand-operated direction valve 1, in hydraulic pump 63
Pressure oil can not reach forward gear clutch 61 or retreating gear clutch 62.I.e. when suction-type sewer scavenger is when carrying out soil pick-up operation,
Driver cannot hang forward gear or retreating gear, cannot also be open to traffic, and can thus make the staff of operation dirt sucking tube
It is very safe.
When soil pick-up operation is completed, and driver's needs start extension forward gear or retreating gear and drive a vehicle, second-hand is first operated
Dynamic reversal valve 1, makes the oil inlet P of the second hand-operated direction valve 1 be communicated with the first oil outlet A, then operate the gear positioned at driver's cabin
Selector makes the oil inlet P of block selecting operation valve 60 that the oil inlet P and execution mouth B of block selecting operation valve 60 are communicated or made with execution mouth A
Communicate, the pressure oil in hydraulic pump 63 through the second hand-operated direction valve 1 again through block selecting operation valve 60 enter forward gear clutch 61 or
Retreating gear clutch 62, driver can be open to traffic.Even if the at this moment oil inlet P of first manual reversal valve 52 and execution mouth A
It communicates, but due to the oil inlet P of the second hand-operated direction valve 1 at this time and the second oil outlet B and is not communicated with, thus in hydraulic pump 63
Pressure oil cannot arrive the oil inlet P of first manual reversal valve 52 through the second hand-operated direction valve 1, and the pressure oil in hydraulic pump 63 is not yet
Motor 50 can be entered, motor 50 cannot drive vacuum pump 51 to rotate.I.e. when driver hangs forward gear or retreating gear and is open to traffic
When, vacuum pump 51 cannot rotate, and will not thus waste fuel oil.
Claims (3)
1. the linkage control device of the shifting-position mechanism and vacuum pump control mechanism of a kind of suction-type sewer scavenger, including motor (50), vacuum pump
(51), first manual reversal valve (52), block selecting operation valve (60), forward gear clutch (61), retreating gear clutch (62), hydraulic pressure
Pump (63) and fuel tank (65)；The control stick (60-1) that the block selecting operation valve (60) includes；The oil inlet of the hydraulic pump (63)
It is connected to fuel tank (65)；The execution mouth A of the block selecting operation valve (60) is connected to forward gear clutch (61), block selecting operation valve
(60) execution mouth B is connected to retreating gear clutch (62), and the control stick (60-1) of block selecting operation valve (60) passes through flexible axle and position
It is connected in the gear selector of driver's cabin；The execution mouth A of the first manual reversal valve (52) connects with the oil inlet of motor (50)
Logical, the oil outlet T of first manual reversal valve (52) and the oil outlet of motor (50) are connected to fuel tank (65)；The vacuum pump
(51) output shaft (50-1) of input shaft (51-1) and motor (50) is sequentially connected；It is characterized in that：
It further include the second hand-operated direction valve (1)；The oil inlet P of second hand-operated direction valve (1) is fuel-displaced with hydraulic pump (63)
Mouth connection；First oil outlet A of the second hand-operated direction valve (1) is connected to the oil inlet P of block selecting operation valve (60), and second-hand moves
It is connected to the second oil outlet B of valve (1) with the oil inlet P of first manual reversal valve (52).
2. the linkage control device of the shifting-position mechanism and vacuum pump control mechanism of suction-type sewer scavenger according to claim 1, special
Sign is：Further include filter (64)；The oil of the oil inlet in fuel tank (65) to hydraulic pump (63) is arranged in the filter (64)
On channel.
3. the linkage control device of the shifting-position mechanism and vacuum pump control mechanism of suction-type sewer scavenger according to claim 1, special
Sign is：Further include safety valve (66)；The safety valve (66) setting hydraulic pump (63) oil outlet to fuel tank (65) oil
On channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810703424.2A CN108533730A (en) | 2018-07-01 | 2018-07-01 | The linkage control device of the shifting-position mechanism and vacuum pump control mechanism of suction-type sewer scavenger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810703424.2A CN108533730A (en) | 2018-07-01 | 2018-07-01 | The linkage control device of the shifting-position mechanism and vacuum pump control mechanism of suction-type sewer scavenger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108533730A true CN108533730A (en) | 2018-09-14 |
Family
ID=63487440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810703424.2A Pending CN108533730A (en) | 2018-07-01 | 2018-07-01 | The linkage control device of the shifting-position mechanism and vacuum pump control mechanism of suction-type sewer scavenger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108533730A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259738A (en) * | 2019-06-27 | 2019-09-20 | 刘剑 | The truck-mounted drilling rig device of electric car |
| CN110255446A (en) * | 2019-06-26 | 2019-09-20 | 袁菊花 | The support leg device of electri forklift |
| CN111102158A (en) * | 2019-12-29 | 2020-05-05 | 袁菊花 | Linkage control device for vacuum pump control mechanism and starting mechanism of sewage suction truck |
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Application publication date: 20180914 |
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| RJ01 | Rejection of invention patent application after publication |