CN207405755U - The auxiliary suction mechanism and suction-type sewer scavenger of a kind of suction-type sewer scavenger - Google Patents
The auxiliary suction mechanism and suction-type sewer scavenger of a kind of suction-type sewer scavenger Download PDFInfo
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- CN207405755U CN207405755U CN201721496145.0U CN201721496145U CN207405755U CN 207405755 U CN207405755 U CN 207405755U CN 201721496145 U CN201721496145 U CN 201721496145U CN 207405755 U CN207405755 U CN 207405755U
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- sewer scavenger
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Abstract
The utility model provides a kind of the auxiliary suction mechanism and suction-type sewer scavenger of suction-type sewer scavenger, including outer barrel, inner cylinder, hydraulic motor, bearing, oil guide pipe, B/P EGR Back Pressure Transducer EGR, solenoid directional control valve and gear pump, the lateral surface of inner cylinder is provided with external tooth, station hole is provided in the middle part of outer barrel, the inner wall of inner cylinder is provided with helical blade.When dirt sucking tube is drawn into block sediment, the resistance of medium in dirt sucking tube can increase so that the situation about slowing or even easily form blocking stagnation of suction-type sewer scavenger suction.When the numerical value that B/P EGR Back Pressure Transducer EGR measures reaches predetermined value, auxiliary suction mechanism is opened so that the helical blade rotation of inner cylinder, and then operation is crushed to block sediment, the reinforcing suction of block sediment is pushed in storage tank.Therefore the problem of improving the work efficiency of suction-type sewer scavenger suction, can effectively crush block sediment by auxiliary suction mechanism, prevent it from generating the situation of blocking in dirt sucking tube, avoiding vacuum pump overheat, extends service life of vacuum pump.
Description
Technical field
The utility model is related to the field of garbage cleaning device more particularly to a kind of auxiliary suction mechanism of suction-type sewer scavenger and suctions
Dirty vehicle.
Background technology
Domestic suction-type sewer scavenger generally carries out sucks sewage using the principle of negative pressure of vacuum sucking at present, i.e., first uses vacuum pump
Tank body is evacuated, recycles atmospheric pressure that liquid dirt is pressed into tank body by dirt sucking tube, so as to reach sucks sewage
Purpose.Wherein dirt sucking tube is connected between the tank body of suction-type sewer scavenger and sewage, then by sewage suction tank body, and in its suction
It can be limited during sewage be subject to atmospheric pressure, therefore when the medium of suction is more sticky, density is larger or suction is larger
Block sediment when, the speed of vacuum suction will slow down, in some instances it may even be possible to there is a situation where soil pick-up blockage is stagnated, while true
Vacuum degree in empty set system also can be with steeply rising, until reaching maximum vacuum so that the work efficiency of suction drastically under
Drop, the sewage of suction also become more slowly, but also are easy to cause vacuum pump and suppress dead overheat for a long time and damage so that cleaning
The cost of soil pick-up increases, while also adds the labor intensity of worker.
Utility model content
For this reason, it may be necessary to provide the auxiliary suction mechanism and suction-type sewer scavenger of a kind of suction-type sewer scavenger, inhaled when solving vacuum suction sewage
The problem of dirty blockage.
To achieve the above object, a kind of auxiliary suction mechanism of suction-type sewer scavenger is inventor provided, including outer barrel, inner cylinder, liquid
Pressure motor, bearing, oil guide pipe, B/P EGR Back Pressure Transducer EGR, solenoid directional control valve and gear pump；
The fuselage of hydraulic motor is arranged on the lateral surface of outer barrel, and the lateral surface of inner cylinder is provided with external tooth, is set in the middle part of outer barrel
Station hole is equipped with, the transmission gear of hydraulic motor is meshed by station hole with external tooth, and bearing is arranged between outer barrel and inner cylinder,
The inner wall of inner cylinder is provided with helical blade；
Oil guide pipe is arranged between the output terminal of gear pump and the input terminal of hydraulic motor, and solenoid directional control valve is arranged on Oil Guide
Guan Shang, B/P EGR Back Pressure Transducer EGR are electrically connected with solenoid directional control valve.
Further, the outer barrel is provided with ring flange master including main outer barrel, secondary outer barrel and closure, one end of main outer barrel
Disk, one end of secondary outer barrel are provided with ring flange bracket panel, and ring flange master port is connected fixation with ring flange pair port by closure.
Further, the closure is bolts and nuts component, pin and latch assembly or rivet.
Further, the madial wall of the outer barrel is provided with oil seal groove, and oil seal groove is located at the both sides of bearing.
Further, controller is provided in the B/P EGR Back Pressure Transducer EGR, controller is electrically connected with solenoid directional control valve, controller
The signal control solenoid directional control valve exported according to B/P EGR Back Pressure Transducer EGR is turned on and off.
A kind of suction-type sewer scavenger with auxiliary suction mechanism is also provided, including auxiliary suction mechanism, car body, storage tank, vacuum
Pressure measurement hose and dirt sucking tube；
The auxiliary suction mechanism is claim 1 to 5 any one of them auxiliary suction mechanism；
The storage tank is arranged on the wagon box of car body, vacuum pressure measurement hose be connected to storage tank and B/P EGR Back Pressure Transducer EGR it
Between, auxiliary suction mechanism is arranged on the input end of dirt sucking tube, and the outlet end pipe of dirt sucking tube is connected on the feed inlet of storage tank, auxiliary
The gear pump of aspirating mechanism is helped to be arranged on the power takeoff of car body.
Further, telescoping mechanism is provided on the port of export of the dirt sucking tube, the fixing end of telescoping mechanism is arranged on tank
The top of body, the telescopic end of telescoping mechanism are set on dirt sucking tube.
Further, the telescoping mechanism includes cylinder, sleeve and fixed frame, and pulley, fixed frame are provided on fixed frame
It is set on dirt sucking tube, the body of cylinder is arranged on the lateral surface of sleeve, and the power end of cylinder is fixed on fixed frame, sleeve
One end be set on the feed inlet of storage tank, the other end and the dirt sucking tube of sleeve are slidably socketed.
It is different from the prior art, above-mentioned technical proposal carries out the suction of sewage by dirt sucking tube, when being drawn into larger block
During shape sediment, the resistance of medium in dirt sucking tube can increase therewith, cause density in dirt sucking tube and gravity all larger so as to inhale
The vacuum suction of dirty vehicle slows or even easily forms the situation for blocking and stagnating, while the vacuum degree in storage tank also can be with
It and steeply rises, therefore when the numerical value that B/P EGR Back Pressure Transducer EGR measures reaches presetting numerical value, suction-type sewer scavenger auxiliary suction can be opened
Mechanism carries out operation.Since the vacuum degree in suction-type sewer scavenger rises so that the pressure value of B/P EGR Back Pressure Transducer EGR output becomes larger, when negative pressure passes
When the pressure value of sensor output reaches the preset value of controller, controller can trigger solenoid directional control valve unlatching, and then pass through Oil Guide
Pipe connects gear pump and hydraulic motor so that hydraulic motor brings into operation, then drives inner cylinder rotating by hydraulic motor so that spiral shell
Vane piece crushes block sediment operation, while the sediment after crushing can be sucked plus the mode of push is transported to and deposits
In storage tank.Reach the suction of the work efficiency and suction-type sewer scavenger that improve suction-type sewer scavenger, it can effective powder by auxiliary suction mechanism
Chunky shape sediment prevents it from generating the situation of blocking in dirt sucking tube, avoids the problem of vacuum pump overheats, extends vacuum
Service life is pumped, reduces the disposal costs of cleaning sewage.
Description of the drawings
Fig. 1 is the schematic diagram of the auxiliary suction mechanism of suction-type sewer scavenger described in one mode of specific implementation；
Fig. 2 is the schematic diagram of suction-type sewer scavenger described in two modes of specific implementation.
Reference sign：
1st, auxiliary suction mechanism；
2nd, car body；
3rd, storage tank；
4th, vacuum pressure measurement hose；
5th, dirt sucking tube；
6th, telescoping mechanism；61st, cylinder；62nd, sleeve；63rd, fixed frame；64th, pulley；
10th, outer barrel；101st, station hole；102nd, main outer barrel；103rd, secondary outer barrel；
104th, closure；105th, ring flange master；106th, ring flange bracket panel；
11st, inner cylinder；111st, external tooth；112nd, helical blade；
12nd, hydraulic motor；121st, the transmission gear of hydraulic motor；
13rd, bearing；
14th, oil guide pipe；
15th, B/P EGR Back Pressure Transducer EGR；
16th, solenoid directional control valve；
17th, gear pump；
18th, oil seal groove.
Specific embodiment
For the technology contents of technical solution, construction feature, the objects and the effects are described in detail, below in conjunction with specific reality
It applies example and attached drawing is coordinated to be explained in detail.
Embodiment one,
Referring to Fig. 1, the present embodiment provides a kind of auxiliary suction mechanism of suction-type sewer scavenger, including outer barrel 10, inner cylinder 11, hydraulic pressure
Motor 12, bearing 13, oil guide pipe 14, B/P EGR Back Pressure Transducer EGR 15, solenoid directional control valve 16 and gear pump 17；The fuselage of hydraulic motor is set
In the lateral surface of outer barrel, the lateral surface of inner cylinder is provided with external tooth 111, station hole 101 is provided in the middle part of outer barrel, hydraulic motor
Transmission gear 121 is meshed by station hole with external tooth, and bearing is arranged between outer barrel and inner cylinder, and the inner wall of inner cylinder is provided with spiral shell
Vane piece 112；Oil guide pipe is arranged between the output terminal of gear pump and the input terminal of hydraulic motor, and solenoid directional control valve, which is arranged on, leads
On oil pipe, B/P EGR Back Pressure Transducer EGR is electrically connected with solenoid directional control valve.
Auxiliary suction mechanism in the present embodiment is applied on suction-type sewer scavenger, by auxiliary suction mechanism to soil pick-up inner pipeline plug
The block sediment of plug is crushed, and then achievees the purpose that high efficiency sucks sewage.Specifically, when the soil pick-up pipeline of suction-type sewer scavenger
When blocking, it can so that the speed of suction slows down or even soil pick-up pipeline occurs to block stagnation, while the vacuum degree in suction-type sewer scavenger
Rise, the pressure value that B/P EGR Back Pressure Transducer EGR measures is caused to become larger, when the pressure value of B/P EGR Back Pressure Transducer EGR output reaches the default of controller
During value, controller can trigger solenoid directional control valve unlatching, and then connect gear pump and hydraulic motor by oil guide pipe so that hydraulic pressure horse
Up to coming into operation, then it is intermeshed and drives by the transmission gear of hydraulic motor and the external tooth of inner cylinder so that inner cylinder passes through axis
It holds and is rotated in outer barrel.And station hole can be a rectangular through hole so that transmission gear is located in through hole, reaches hydraulic pressure
The intermeshing purpose of the external tooth of motor and inner cylinder.When inner cylinder rotating rotates, the madial wall helical blade of inner cylinder can be driven to revolve
Turn, be then cut by the block-like sediment of helical blade it is broken, simultaneously because helical blade push effect so that
The sediment and sewage being broken faster are aspirated, and block sediment is drawn into the storage tank of suction-type sewer scavenger.For control
Device processed can be microcontroller or PLC, such as：Microcontroller can be microcontroller of 51 series, AT89 series or AY90 series etc..
After block sediment is broken in the storage tank for be drawn into suction-type sewer scavenger, the vacuum degree in suction-type sewer scavenger can be caused to drop
Low, the pressure value that then B/P EGR Back Pressure Transducer EGR measures reduces, and when dropping to presetting vacuum pressure value under stress, controller can close
Close solenoid directional control valve so that the oil guide pipe between gear pump and hydraulic motor disconnects, and then hydraulic motor is stopped, while interior
Cylinder starts normal pumping operation in free rotation state, suction-type sewer scavenger.Therefore can be reached for the auxiliary suction mechanism of suction-type sewer scavenger
To the purpose of efficient sucks sewage, and full automatic auxiliary suction mechanism so that the amount of labour of worker is relatively low, and protects
The pumping operation of vacuum pump so that the service life of suction-type sewer scavenger increases, and reduces the cost of sewage cleaning.
Outer barrel is provided with method including main outer barrel 102, secondary outer barrel 103 and closure 104, one end of main outer barrel in the present embodiment
Blue disk master 105, one end of secondary outer barrel are provided with ring flange bracket panel 106, and ring flange master port passes through lock with ring flange pair port
Component connection is fixed.The closure is bolts and nuts component, pin and latch assembly or rivet.For outer barrel using main outer
The mode of cylinder and secondary outer barrel is spliced, and convenient for being combined assembling with inner cylinder, improves the practicability of auxiliary suction mechanism.It can be with
One cavity volume in one end of main outer barrel is set, is used to place the external tooth of bearing and inner cylinder in the cavity volume, can be set for bearing
Two, respectively positioned at the both sides of external tooth, the side of cavity volume sets through hole so that external tooth can be nibbled with the transmission gear of hydraulic motor
It closes, and is connected main outer barrel with secondary outer barrel by ring flange, mounting means is simple, it is only necessary to be tightened by screw bolt and nut
It is sealed.
Madial wall in this implementation in outer barrel is provided with oil seal groove 18, and oil seal groove is located at the both sides of bearing.Pass through oil seal groove
Bearing can be caused to be in sealing state, while dirt is prevented to flow into bearing and external tooth by the gap between inner cylinder and outer barrel
In, it avoids bearing and external tooth is corroded and gets rusty, while the service life of auxiliary suction mechanism is prevented to reduce.
Controller is provided in the present embodiment in B/P EGR Back Pressure Transducer EGR, controller is electrically connected with solenoid directional control valve,.Controller is
A switch in solenoid directional control valve circuit, it can preset a numerical value, simultaneously continuously read B/P EGR Back Pressure Transducer EGR output
Vacuum pressure value, when vacuum pressure value is less than default value, controller is closed, when vacuum pressure value is more than or equal to
During default value, controller then in opening, thus controls being turned on and off for solenoid directional control valve.
Embodiment two,
Referring to Fig. 2, the present embodiment also provides a kind of suction-type sewer scavenger with auxiliary suction mechanism, including auxiliary suction mechanism
1st, car body 2, storage tank 3, vacuum pressure measurement hose 4 and dirt sucking tube 5；The auxiliary suction mechanism is any one of claim 1 to 5 institute
The auxiliary suction mechanism stated；The storage tank is arranged on the wagon box of car body, and vacuum pressure measurement hose is connected to storage tank and negative pressure
Between sensor, auxiliary suction mechanism is arranged on the input end of dirt sucking tube, the outlet end pipe of dirt sucking tube be connected to storage tank into
In material mouth, the gear pump of auxiliary suction mechanism is arranged on the power takeoff of car body.Power takeoff for car body is by one group or more
Group change gear, also known as power take off, are usually formed by gear-box, clutch, controller combination, with gearbox low grade tooth
Wheel or auxiliary box output shaft connection, output power to outside, then provide power for gear pump.
Storage tank, auxiliary suction mechanism, vacuum pressure measurement hose and dirt sucking tube are loaded by vehicle in the present embodiment, are convenient for
In different places sucks sewage.Auxiliary suction mechanism is directly connected in the inlet end of dirt sucking tube, and by dirt sucking tube
Input end is put into sewage, is then opened the vacuum pump of suction-type sewer scavenger, storage tank is carried out to vacuumize operation so that sewage passes through
Atmospheric pressure is sucked into storage tank.Wherein, B/P EGR Back Pressure Transducer EGR is connected to by vacuum pressure measurement hose on storage tank, and then in real time
Measure the vacuum degree inside storage tank；When suction-type sewer scavenger is in normal sucks sewage operation, the vacuum degree inside storage tank can maintain
On rated value, solenoid directional control valve at this time is closed, can be with sewage for the inner cylinder in auxiliary suction mechanism
It aspirates and rotates freely.
When dirt sucking tube is drawn into larger block sediment, the resistance of medium in dirt sucking tube can increase therewith, while by
It is all larger in the density in dirt sucking tube and gravity so that the speed of suction-type sewer scavenger vacuum suction slows down or even easily formed to block and stops
Stagnant situation, while the vacuum degree in storage tank also can be with steeply rising, therefore when the numerical value that B/P EGR Back Pressure Transducer EGR measures reaches
During presetting numerical value, suction-type sewer scavenger auxiliary suction mechanism will be triggered so that the helical blade of the inner cylinder of auxiliary suction mechanism is fast
Speed rotation then crushes block sediment operation by helical blade, while the sediment after crushing can be sucked and add
The mode of push is transported in storage tank.And then the work efficiency of suction-type sewer scavenger is improved, the suction of suction-type sewer scavenger is increased, simultaneously
Service life of vacuum pump is extended, reduces the disposal costs of cleaning sewage.
Telescoping mechanism 6 is provided in the present embodiment on the port of export of dirt sucking tube, the fixing end of telescoping mechanism is arranged on tank body
Top, the telescopic end of telescoping mechanism is set on dirt sucking tube.The telescoping mechanism includes cylinder 61, sleeve 62 and fixed frame
63, pulley 64 is provided on fixed frame, fixed frame is set on dirt sucking tube, and the body of cylinder is arranged on the lateral surface of sleeve,
The power end of cylinder is fixed on fixed frame, and one end of sleeve is set on the feed inlet of storage tank, the other end of sleeve and suction
Dirty pipe is slidably socketed.Fixed frame can be promoted to slide by the cylinder of telescoping mechanism, suction can be controlled by the slip of fixed frame
The job position of dirty pipe makes soil pick-up operation more convenient.
It should be noted that although the various embodiments described above have been described herein, not thereby limit
The scope of patent protection of the utility model.Therefore, the innovative idea based on the utility model carries out embodiment described herein
Change and modification or equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, directly
Or above technical scheme is used in other related technical areas indirectly, it is included in the protection model of the utility model patent
Within enclosing.
Claims (8)
1. a kind of auxiliary suction mechanism of suction-type sewer scavenger, it is characterised in that：Including outer barrel, inner cylinder, hydraulic motor, bearing, oil guide pipe,
B/P EGR Back Pressure Transducer EGR, solenoid directional control valve and gear pump；
The fuselage of hydraulic motor is arranged on the lateral surface of outer barrel, and the lateral surface of inner cylinder is provided with external tooth, is provided in the middle part of outer barrel
Station hole, the transmission gear of hydraulic motor are meshed by station hole with external tooth, and bearing is arranged between outer barrel and inner cylinder, inner cylinder
Inner wall be provided with helical blade；
Oil guide pipe is arranged between the output terminal of gear pump and the input terminal of hydraulic motor, and solenoid directional control valve is arranged on oil guide pipe
On, B/P EGR Back Pressure Transducer EGR is electrically connected with solenoid directional control valve.
2. a kind of auxiliary suction mechanism of suction-type sewer scavenger according to claim 1, it is characterised in that：The outer barrel includes main outer
Cylinder, secondary outer barrel and closure, one end of main outer barrel are provided with ring flange master, and one end of secondary outer barrel is provided with ring flange bracket panel,
Ring flange master port is connected fixation with ring flange pair port by closure.
3. a kind of auxiliary suction mechanism of suction-type sewer scavenger according to claim 2, it is characterised in that：The closure is bolt
With nut assembly, pin and latch assembly or rivet.
4. a kind of auxiliary suction mechanism of suction-type sewer scavenger according to claim 1, it is characterised in that：The madial wall of the outer barrel
Oil seal groove is provided with, oil seal groove is located at the both sides of bearing.
5. a kind of auxiliary suction mechanism of suction-type sewer scavenger according to claim 1, it is characterised in that：In the B/P EGR Back Pressure Transducer EGR
Controller is provided with, controller is electrically connected with solenoid directional control valve, and the signal that controller is exported according to B/P EGR Back Pressure Transducer EGR controls electromagnetism
Reversal valve is turned on and off.
6. a kind of suction-type sewer scavenger with auxiliary suction mechanism, it is characterised in that：Including auxiliary suction mechanism, car body, storage tank, true
Empty pressure measurement hose and dirt sucking tube；
The auxiliary suction mechanism is claim 1 to 5 any one of them auxiliary suction mechanism；
The storage tank is arranged on the wagon box of car body, and vacuum pressure measurement hose is connected between storage tank and B/P EGR Back Pressure Transducer EGR, auxiliary
Aspirating mechanism is helped to be arranged on the input end of dirt sucking tube, the outlet end pipe of dirt sucking tube is connected on the feed inlet of storage tank, and auxiliary is taken out
The gear pump for inhaling mechanism is arranged on the power takeoff of car body.
7. a kind of suction-type sewer scavenger with auxiliary suction mechanism according to claim 6, it is characterised in that：The dirt sucking tube
Telescoping mechanism is provided on the port of export, the fixing end of telescoping mechanism is arranged on the top of tank body, and the telescopic end of telescoping mechanism is arranged
On dirt sucking tube.
8. a kind of suction-type sewer scavenger with auxiliary suction mechanism according to claim 7, it is characterised in that：The telescoping mechanism
Including cylinder, sleeve and fixed frame, pulley is provided on fixed frame, fixed frame is set on dirt sucking tube, and the body of cylinder is set
On the lateral surface of sleeve, the power end of cylinder is fixed on fixed frame, and one end of sleeve is set on the feed inlet of storage tank,
The other end of sleeve is slidably socketed with dirt sucking tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721496145.0U CN207405755U (en) | 2017-11-10 | 2017-11-10 | The auxiliary suction mechanism and suction-type sewer scavenger of a kind of suction-type sewer scavenger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721496145.0U CN207405755U (en) | 2017-11-10 | 2017-11-10 | The auxiliary suction mechanism and suction-type sewer scavenger of a kind of suction-type sewer scavenger |
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| Publication Number | Publication Date |
|---|---|
| CN207405755U true CN207405755U (en) | 2018-05-25 |
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ID=62318778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721496145.0U Active CN207405755U (en) | 2017-11-10 | 2017-11-10 | The auxiliary suction mechanism and suction-type sewer scavenger of a kind of suction-type sewer scavenger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207405755U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700645A (en) * | 2017-11-10 | 2018-02-16 | 福建龙马环卫装备股份有限公司 | The auxiliary suction mechanism and suction-type sewer scavenger of a kind of suction-type sewer scavenger |
-
2017
- 2017-11-10 CN CN201721496145.0U patent/CN207405755U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700645A (en) * | 2017-11-10 | 2018-02-16 | 福建龙马环卫装备股份有限公司 | The auxiliary suction mechanism and suction-type sewer scavenger of a kind of suction-type sewer scavenger |
| CN107700645B (en) * | 2017-11-10 | 2024-01-09 | 福龙马集团股份有限公司 | Suction method of auxiliary suction mechanism of soil pick-up truck and soil pick-up truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 364028 No. 42, Longteng South Road, Donghua community, Dongxiao Town, Xinluo District, Longyan City, Fujian Province Patentee after: Fulongma Group Co.,Ltd. Address before: 364000 Longyan Economic Development Zone, Longyan City, Fujian Province Patentee before: FUJIAN LONGMA ENVIRONMENTAL SANITATION EQUIPMENT Co.,Ltd. |
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| CP03 | Change of name, title or address |