CN104500135A - Sewage suction truck for mines - Google Patents
Sewage suction truck for mines Download PDFInfo
- Publication number
- CN104500135A CN104500135A CN201410785358.XA CN201410785358A CN104500135A CN 104500135 A CN104500135 A CN 104500135A CN 201410785358 A CN201410785358 A CN 201410785358A CN 104500135 A CN104500135 A CN 104500135A
- Authority
- CN
- China
- Prior art keywords
- mouth
- valve
- sewage suction
- gear selecting
- tank body
- Prior art date
- 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.)
- Granted
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 25
- 239000002516 radical scavenger Substances 0.000 claims description 24
- 230000003028 elevating effect Effects 0.000 claims description 18
- 239000002828 fuel tank Substances 0.000 claims description 8
- 241000478345 Afer Species 0.000 claims description 6
- 239000003245 coal Substances 0.000 abstract description 18
- 238000003756 stirring Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 238000004880 explosion Methods 0.000 abstract 2
- 230000008602 contraction Effects 0.000 abstract 1
- 230000001629 suppression Effects 0.000 abstract 1
- 101100328887 Caenorhabditis elegans col-34 gene Proteins 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000002689 soil Substances 0.000 description 4
- 239000013618 particulate matter Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/10—Wheeled apparatus for emptying sewers or cesspools
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/10—Wheeled apparatus for emptying sewers or cesspools
- E03F7/106—Accessories, e.g. hose support
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a sewage suction truck for mines. The sewage suction truck comprises a front frame, a rear frame, a traveling and hoisting joint control system and a stirring device. The front frame and the rear frame are hinged to each other, a tank is arranged on the rear frame, and lifting cylinders are arranged between the rear frame and the tank; the traveling and hoisting joint control system comprises an oil tank, a filter, a hydraulic pump, a safety valve, an anti-explosion electromagnetic valve, a manual reversing valve, an air-control switch, an explosion suppression power source, a gear selection cylinder, a gear selection reversing valve, an air pocket and a gear selection operating valve, and the stirring device comprises a supporting arm, a sewage suction pipe, a contraction and release cylinder, a rotary arm, a hydraulic motor, a connecting sleeve, a movable shaft and a stirring head. The sewage suction truck has the advantages that the sewage suction truck is provided with the traveling and hoisting joint control system, the sewage suction tank cannot be lifted by the lifting cylinders in sewage suction truck traveling procedures, and accordingly the sewage suction truck can safely pass low places such as underground air doors of coal mines; coal slimes under water sumps and sewage above the water sumps can be mixed with one another by the aid of the stirring device, and accordingly the coal slimes of lower layers of the water sumps can be effectively cleaned by the sewage suction truck.
Description
Technical field
The present invention relates to suction-type sewer scavenger.
Background technology
Coal mine underground sump has main storehouse and secondary storehouse, and when a sump cleaning, another sump can normally use.Enter sump because a large amount of water burst carries solid particulate matter, make precipitation below shaft sump have a large amount of coal slime and solid particulate matter.Must regularly clear up the solid particulate matter deposited in sump and coal slime.Therefore the efficiency improving cleaning sump is extremely important.China's Authorization Notice No. is that the utility model patent manual of CN203175614U discloses a kind of underground mine use suction-type sewer scavenger, comprise forebay, afer bay, front and back frame is hinged, afer bay is provided with soil pick-up tank body, be provided with elevating ram between afer bay and soil pick-up tank body, soil pick-up tank body is connected with vacuum pump and dirt sucking tube respectively, is extracted out by air in tank by vacuum pump, under making the effect of sewage difference of pressure in atmospheric pressure and tank, by sewage in dirt sucking tube press-in tank.Above-mentioned utility model efficiently solves the efficiency of cleaning sump, but in suction-type sewer scavenger driving process, due to maloperation elevating ram hand control valve, tank body is lifted when driving, lower ground just can collided by coal mine underground air door equal altitudes, thus cause accident.Above-mentioned utility model is better to the sewage cleaning effect on sump upper strata in use in addition, but the coal slime of sump lower floor due to its mobility bad, during coal slime with above-mentioned full mold novel cleaning sump lower floor, result of use is bad.
Summary of the invention
Main purpose of the present invention is to propose that a kind of tank body elevating ram can not the mine suction-type sewer scavenger of lifting when suction-type sewer scavenger is driven a vehicle; A further object of the present invention is the coal slime that this mine suction-type sewer scavenger can clear up coal mine underground sump lower floor effectively.
For achieving the above object, the present invention takes following technical scheme:
A kind of mine suction-type sewer scavenger, have front frame and Rear frame, forward and backward vehicle frame is hinged, and Rear frame is provided with tank body, is provided with elevating ram between afer bay and tank body, this mine suction-type sewer scavenger also has driving and lifting combined control system, this driving and lifting combined control system comprise fuel tank, strainer, hydraulic pump, safety valve, explosion-proof solenoid valve, hand-operated direction valve, air control switch, flame proof power supply, gear selecting cylinder, gear selecting reversal valve, gas bag and block selecting control valve, gear selecting cylinder comprises piston rod, and block selecting control valve comprises control stick, the oil-in of hydraulic pump is connected with fuel tank by strainer, the first pipeline be connected with the oil-out of hydraulic pump, second pipe respectively and with the oil-in of safety valve, the oil inlet P mouth of explosion-proof solenoid valve is connected, the oil-out of safety valve is connected with fuel tank, the execution mouth A mouth of explosion-proof solenoid valve is connected with the oil inlet P mouth of hand-operated direction valve, two of hand-operated direction valve perform mouth A mouths and B mouth respectively with the rodless cavity of elevating ram, rod chamber connects, the power connection end of described explosion-proof solenoid valve is connected described air control switch with between flame proof power supply, the execution mouth A mouth of described gear selecting reversal valve is respectively by the 3rd pipeline, the gas control mouth A mouth of the 4th pipeline and air control switch, the rodless cavity of gear selecting cylinder connects, the execution mouth B mouth of gear selecting reversal valve is connected with the rod chamber of gear selecting cylinder, the air inlet port P mouth of gear selecting reversal valve is connected with gas bag, the piston rod of described gear selecting cylinder is connected with the control stick of block selecting control valve.
Described tank body is connected with mixing plant.
Described mixing plant comprises supporting arm, dirt sucking tube, folding and unfolding oil cylinder, cursor, hydraulic motor, adapter sleeve, moving axis, stirring-head; The front portion of supporting arm is fixed on tank body, tank body is stretched out at rear portion, cursor is hinged on the rear end of supporting arm, one end of folding and unfolding oil cylinder is hinged on supporting arm, the other end is hinged on cursor, hydraulic motor is fixed on cursor, the output shaft of hydraulic motor is connected with moving axis, stirring-head is connected on the axle head of moving axis, moving axis is provided with adapter sleeve, adapter sleeve has annular chamber, and adapter sleeve is provided with the sewage draining exit communicated with annular chamber, and dirt sucking tube is connected between the sewage discharge tube of tank body and the sewage draining exit of adapter sleeve.
The present invention has following good effect: (1) makes elevating ram tank body can not be lifted in suction-type sewer scavenger driving conditions by driving and lifting combined control system, thus enables this suction-type sewer scavenger safely by coal mine underground air door equal altitudes lower ground side.(2) by mixing plant, the coal slime below sump is mixed with sewage above, the coal slime of dilution is easily inhaled in tank body, makes suction-type sewer scavenger effectively can clear up the coal slime of sump lower floor.(3), during the work of this suction-type sewer scavenger, only need operate folding and unfolding oil cylinder, be rotated back and forth by cursor and move dirt sucking tube, do not need operating personnel to move dirt sucking tube, alleviate the labour intensity of operating personnel.
Accompanying drawing explanation
Fig. 1 is overall structure figure of the present invention.
Fig. 2 is the schematic diagram of driving and lifting combined control system.
Fig. 3 is mixing plant figure.
Detailed description of the invention
Embodiment 1
See accompanying drawing, this mine suction-type sewer scavenger has front frame 1 and Rear frame 2, forward and backward vehicle frame is hinged, Rear frame 2 is provided with tank body 3, two elevating rams 4 are provided with between afer bay and dirt-absorption tank, elevating ram 4 is used for controlling the lifting of tank body, and two elevating rams 4 points are in the both sides of tank body 3, and the piston rod of elevating ram 4 is connected to the rear portion of tank body.Tank body 3 is connected with mixing plant 5.
This mine suction-type sewer scavenger also has driving and lifting combined control system, this system comprises fuel tank 6, strainer 7, hydraulic pump 8, safety valve 9, explosion-proof solenoid valve 10, hand-operated direction valve 11, air control switch 12, flame proof power supply 13, gear selecting cylinder 14, gear selecting reversal valve 15, gas bag 16 and block selecting control valve 17, gear selecting cylinder 14 comprises piston rod 14-1, and block selecting control valve 17 comprises control stick 17-1.
The oil-in of hydraulic pump 8 is connected with fuel tank 6 by strainer 7, the first pipeline 18 be connected with the oil-out of hydraulic pump 8, second pipe 19 are connected respectively and with the oil-in of safety valve 9, the oil inlet P mouth of explosion-proof solenoid valve 10, the oil-out of safety valve 9 is connected with fuel tank 6, the execution mouth A mouth of explosion-proof solenoid valve 10 is connected with the oil inlet P mouth of hand-operated direction valve 11, the execution mouth A mouth of hand-operated direction valve 11 is connected with the rodless cavity of two elevating rams 4, the execution mouth B mouth of hand-operated direction valve 11 is connected with the rod chamber of two elevating rams 4, the synchronization action of two elevating rams 4.The power connection end of described explosion-proof solenoid valve 10 be connected described air control switch 12 between flame proof power supply 13, the execution mouth A mouth of described gear selecting reversal valve 15 is connected with the gas control mouth A mouth of air control switch 12, the rodless cavity of gear selecting cylinder 14 respectively by the 3rd pipeline 20, the 4th pipeline 21, the execution mouth B mouth of gear selecting reversal valve 15 is connected with the rod chamber of gear selecting cylinder 14, the air inlet port P mouth of gear selecting reversal valve 15 is connected with gas bag 16, and the piston rod 14-1 of described gear selecting cylinder 14 is connected with the control stick 17-1 of block selecting control valve 17.
See Fig. 3, mixing plant 5 comprises supporting arm 5-1, dirt sucking tube 5-2, folding and unfolding oil cylinder 5-3, cursor 5-4, hydraulic motor 5-5, shaft coupling 5-6, adapter sleeve 5-7, moving axis 5-8 and stirring-head 5-9.
The front portion of supporting arm 5-1 is fixed on tank body 3, tank body 3 is stretched out at rear portion, cursor 5-4 is hinged on the rear end of supporting arm 5-1, one end of folding and unfolding oil cylinder 5-3 is hinged on supporting arm 5-1, the other end is hinged on cursor 5-4, hydraulic motor 5-5 is fixed on cursor 5-4, the output shaft of hydraulic motor 5-5 is connected with moving axis 5-8 by shaft coupling 5-6, stirring-head 5-9 is connected on the axle head of moving axis 5-8, moving axis 5-8 is provided with adapter sleeve 5-7, adapter sleeve 5-7 has annular chamber 5-7-1, adapter sleeve 5-7 is provided with the sewage draining exit communicated with annular chamber, dirt sucking tube 5-2 is connected between the sewage discharge tube of tank body 3 and the sewage draining exit of adapter sleeve 5-7.
Tank body is connected with vacuum pump.
When this suction-type sewer scavenger needs forward travel, operation gear selecting reversal valve 15, the air inlet port P mouth of gear selecting reversal valve 15 is communicated with execution mouth A mouth, gas in gas bag 16 is divided into two tunnels after gear selecting reversal valve 15, the 4th pipeline 21 of leading up to enters in gear selecting cylinder 14, and the piston rod 14-1 promoting gear selecting cylinder 14 moves downward, because the piston rod 14-1 of gear selecting cylinder 14 is connected with the control stick 17-1 of block selecting control valve 17, thus drive manipulation valve rod 17-1 to move downward, complete the action selecting drive shift; The 3rd pipeline 20 of separately leading up to arrives the gas control mouth A mouth of air control switch 12, air control switch 12 is closed, P mouth and the A mouth of explosion-proof solenoid valve 10 are obstructed, explosion-proof solenoid valve 10 is in obtain electricity condition (as shown in Figure 2), under this state, the pressure oil of hydraulic pump 8 does not enter hand-operated direction valve 11 by explosion-proof solenoid valve 10, the P mouth of hand-operated direction valve 11 and A mouth, B mouth are all obstructed, without pressure oil input elevating ram 4, at this moment, even if maloperation hand-operated direction valve 11, elevating ram 4 also can not action, and tank body can not lifting.
When this suction-type sewer scavenger is in dead ship condition, operation gear selecting reversal valve 15, its air inlet port P mouth is obstructed with execution mouth A, and the gas of gas bag 16 can not arrive gear selecting cylinder 14, the piston rod 14-1 of gear selecting cylinder 14 can only drive the control stick 17-1 of block selecting control valve 17 to move upward, and completes the action selecting neutral gear; Now the gas control mouth A mouth of air control switch 12 does not have gas to input, air control switch 12 is opened, explosion-proof solenoid valve 10 is in power failure state, at this moment the P mouth of explosion-proof solenoid valve 10 communicates with A mouth, the pressure oil of hydraulic pump 8 enters hand-operated direction valve 11 by explosion-proof solenoid valve 10, operation hand-operated direction valve 11, just can make elevating ram 4 action thus be lifted by the tank body of suction-type sewer scavenger.
When this mine suction-type sewer scavenger carries out soil pick-up operation, by vacuum pump, air in tank body is extracted out, stirring-head 5-9 is driven to rotate by hydraulic motor 5-5, stirring-head stirs the coal slime below sump and the sewage above sump, under the effect of coal slime difference of pressure in atmospheric pressure and tank of dilution in the annular chamber of adapter sleeve 5-7 and dirt sucking tube press-in tank body, reach the effect that suction-type sewer scavenger can clear up sump lower floor coal slime effectively.By operation folding and unfolding oil cylinder 5-3, the cursor 5-4 supporting arm 5-1 that haves mercy on is rotated back and forth, thus drives dirt sucking tube to move.
Claims (3)
1. a mine suction-type sewer scavenger, there is front frame (1) and Rear frame (2), before, Rear frame is hinged, Rear frame (2) is provided with tank body (3), elevating ram (4) is provided with between afer bay (2) and tank body (3), it is characterized in that: this mine suction-type sewer scavenger also has driving and lifting combined control system, this driving and lifting combined control system comprise fuel tank (6), strainer (7), hydraulic pump (8), safety valve (9), explosion-proof solenoid valve (10), hand-operated direction valve (11), air control switch (12), flame proof power supply (13), gear selecting cylinder (14), gear selecting reversal valve (15), gas bag (16) and block selecting control valve (17), gear selecting cylinder (14) comprises piston rod (14-1), block selecting control valve (17) comprises control stick (17-1), the first pipeline (18) be connected with the oil-out of hydraulic pump (8), second pipe (19) respectively with the oil-in of safety valve (9), the oil inlet P mouth of explosion-proof solenoid valve (10) is connected, the execution mouth A mouth of explosion-proof solenoid valve (10) is connected with the oil inlet P mouth of hand-operated direction valve (11), two of hand-operated direction valve (11) perform mouth A mouths and B mouth respectively with the rodless cavity of elevating ram (4), rod chamber connects, the power connection end of explosion-proof solenoid valve (10) is connected described air control switch (12) with between flame proof power supply (13), the execution mouth A mouth of described gear selecting reversal valve (15) is respectively by the 3rd pipeline (20), the gas control mouth A mouth of the 4th pipeline (21) and air control switch (12), the rodless cavity of gear selecting cylinder (14) connects, the execution mouth B mouth of gear selecting reversal valve (15) is connected with the rod chamber of gear selecting cylinder (14), the piston rod (14-1) of described gear selecting cylinder (14) is connected with the control stick (17-1) of block selecting control valve (17), the air inlet port P mouth of gear selecting reversal valve (15) is connected with gas bag (16), the oil-in of hydraulic pump (8) is all connected with fuel tank (6) with the oil-out of safety valve (9).
2. mine suction-type sewer scavenger according to claim 1, is characterized in that: described tank body (3) is connected with mixing plant (5).
3. mine suction-type sewer scavenger according to claim 2, is characterized in that: described mixing plant (5) comprises supporting arm (5-1), dirt sucking tube (5-2), folding and unfolding oil cylinder (5-3), cursor (5-4), hydraulic motor (5-5), adapter sleeve (5-7), moving axis (5-8), stirring-head (5-9), the front portion of supporting arm (5-1) is fixed on tank body (3), tank body (3) is stretched out at rear portion, cursor (5-4) is hinged on the rear end of supporting arm (5-1), one end of folding and unfolding oil cylinder (5-3) is hinged on supporting arm (5-1), the other end is hinged on cursor (5-4), hydraulic motor (5-5) is fixed on cursor (5-4), the output shaft of hydraulic motor (5-5) is connected with moving axis (5-8), stirring-head (5-9) is connected on the axle head of moving axis (5-8), moving axis (5-8) is provided with adapter sleeve (5-7), adapter sleeve (5-7) has annular chamber, adapter sleeve (5-7) is provided with the sewage draining exit communicated with annular chamber, dirt sucking tube (5-2) is connected between the sewage discharge tube of tank body (3) and the sewage draining exit of adapter sleeve (5-7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410785358.XA CN104500135B (en) | 2014-12-17 | 2014-12-17 | Mine suction-type sewer scavenger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410785358.XA CN104500135B (en) | 2014-12-17 | 2014-12-17 | Mine suction-type sewer scavenger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104500135A true CN104500135A (en) | 2015-04-08 |
| CN104500135B CN104500135B (en) | 2016-06-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410785358.XA Active CN104500135B (en) | 2014-12-17 | 2014-12-17 | Mine suction-type sewer scavenger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104500135B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051145A (en) * | 2016-05-31 | 2016-10-26 | 王付民 | Vehicle door opening walking forbidding system |
| CN106640614A (en) * | 2016-12-27 | 2017-05-10 | 常州科研试制中心有限公司 | Control system for vacuum pump of suction-type sewer scavenger |
| CN107472114A (en) * | 2017-08-17 | 2017-12-15 | 中国煤炭科工集团太原研究院有限公司 | Colliery suction-type sewer scavenger with electro-hydraulic coordination soil pick-up control function |
| CN107859664A (en) * | 2017-11-10 | 2018-03-30 | 刘剑 | Walking and support oil cylinder linkage |
| CN108533730A (en) * | 2018-07-01 | 2018-09-14 | 袁菊花 | The linkage control device of the shifting-position mechanism and vacuum pump control mechanism of suction-type sewer scavenger |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB199602A (en) * | 1922-06-24 | 1923-06-28 | Dennis Brothers Ltd | Improvements in apparatus for emptying cesspools or other drainage sumps |
| WO2008129150A1 (en) * | 2007-02-16 | 2008-10-30 | Suez Environnement | Sewer cleaning truck |
| CN201679089U (en) * | 2010-03-31 | 2010-12-22 | 江苏安华汽车股份有限公司 | Comprehensively-controlled sewage recycling pipeline dredge suction truck with sewage suction arm |
| CN203175614U (en) * | 2013-03-29 | 2013-09-04 | 常州科研试制中心有限公司 | Suction sewage truck for use under coal mine well |
| CN203640046U (en) * | 2013-09-17 | 2014-06-11 | 李跃平 | Sewage suction truck |
| CN204357483U (en) * | 2014-12-17 | 2015-05-27 | 常州科研试制中心有限公司 | Mine suction-type sewer scavenger |
-
2014
- 2014-12-17 CN CN201410785358.XA patent/CN104500135B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB199602A (en) * | 1922-06-24 | 1923-06-28 | Dennis Brothers Ltd | Improvements in apparatus for emptying cesspools or other drainage sumps |
| WO2008129150A1 (en) * | 2007-02-16 | 2008-10-30 | Suez Environnement | Sewer cleaning truck |
| CN201679089U (en) * | 2010-03-31 | 2010-12-22 | 江苏安华汽车股份有限公司 | Comprehensively-controlled sewage recycling pipeline dredge suction truck with sewage suction arm |
| CN203175614U (en) * | 2013-03-29 | 2013-09-04 | 常州科研试制中心有限公司 | Suction sewage truck for use under coal mine well |
| CN203640046U (en) * | 2013-09-17 | 2014-06-11 | 李跃平 | Sewage suction truck |
| CN204357483U (en) * | 2014-12-17 | 2015-05-27 | 常州科研试制中心有限公司 | Mine suction-type sewer scavenger |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051145A (en) * | 2016-05-31 | 2016-10-26 | 王付民 | Vehicle door opening walking forbidding system |
| CN106640614A (en) * | 2016-12-27 | 2017-05-10 | 常州科研试制中心有限公司 | Control system for vacuum pump of suction-type sewer scavenger |
| CN106640614B (en) * | 2016-12-27 | 2018-03-16 | 常州科研试制中心有限公司 | Suction-type sewer scavenger vacuum pump control system |
| CN107472114A (en) * | 2017-08-17 | 2017-12-15 | 中国煤炭科工集团太原研究院有限公司 | Colliery suction-type sewer scavenger with electro-hydraulic coordination soil pick-up control function |
| CN107472114B (en) * | 2017-08-17 | 2023-10-17 | 中国煤炭科工集团太原研究院有限公司 | Soil pick-up car for coal mine with electro-hydraulic coordination soil pick-up control function |
| CN107859664A (en) * | 2017-11-10 | 2018-03-30 | 刘剑 | Walking and support oil cylinder linkage |
| CN108533730A (en) * | 2018-07-01 | 2018-09-14 | 袁菊花 | The linkage control device of the shifting-position mechanism and vacuum pump control mechanism of suction-type sewer scavenger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104500135B (en) | 2016-06-29 |
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Address after: No. 180, Xinshi Road, Zhonglou District, Changzhou City, Jiangsu Province, 213000 Patentee after: CHANGZHOU DEVELOPMENT & MANUFACTURE CENTER Co.,Ltd. Address before: 213002 No.56, palm Road, Zhonglou District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU DEVELOPMENT & MANUFACTURE CENTER Co.,Ltd. |