CN202090937U - Wet type pulp sprayer - Google Patents
Wet type pulp sprayer Download PDFInfo
- Publication number
- CN202090937U CN202090937U CN2011201158993U CN201120115899U CN202090937U CN 202090937 U CN202090937 U CN 202090937U CN 2011201158993 U CN2011201158993 U CN 2011201158993U CN 201120115899 U CN201120115899 U CN 201120115899U CN 202090937 U CN202090937 U CN 202090937U
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- spray gun
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Abstract
The utility model discloses a wet type pulp sprayer, which comprises a base, a concrete pump fixed on the base through a machine body, an accelerating agent pump and a manipulator. A spray gun is equipped on the front of the manipulator through a spray gun brushing device. The spray gun is connected with the concrete pump and the accelerating agent pump through a pipeline. A hydraulic system is connected on the manipulator. The machine body is provided with a power system. The wet type pulp sprayer which can be operated by one person has the characteristics of simple structure, easy operation, low labor intensity and easy control of the concrete quality. The wet type pulp sprayer can be applied for preparing concrete on site by wet spraying. The proportion and the water cement ratio can be accurately controlled. The wet type pulp sprayer can be also applied for forced stirring. The yielded concrete has a high quality. Meanwhile, the wet type pulp sprayer has the advantages of low resiliency, high quality of concrete prepared by wet spraying and controllable accelerating agent quantity. By blowing on the spray gun, the wet type pulp sprayer enables the resiliency to be lower by 15% to 20% than that generated by dry spraying. Moreover, the dust concentration is low. Specifically, by adopting wet spraying, the wet type pulp sprayer can make respirable dust lowered to 0.4 mg/ m3 and the total dust lowered to 1.5 mg/ m3. The surroundings of the wet type pulp sprayer are nearly free of dust.
Description
Technical field
The utility model belongs to the mine equipment equipment technical field, particularly a kind of Wet-type patching machine.
Background technology
Bolt support is an important support technology of well lane engineering, and in recent years, combined bolting and shotcrete is generally promoted in the China's coal-mine tunnel, and sprayed mortar is the important component part of bolt support.At present, the whitewashing of domestic colliery is to do spray (or tide spray) technology, and there is following defective in it: concrete quality is wayward, rebound degree is high, dust concentration is big, and dust concentration is difficult to reach country to coal mining enterprise's operation place occupational health standard, and mostly be manually-operated, labour intensity is big.Therefore, do uses that be under an embargo of spray (or tide spray) technology in constructing tunnel, the coal mine roadway construction also can ban use of does spray (or tide sprays) technology.What replace dried spray (or tide spray) technology is the wet shotcrete technology concrete technology, in constructing tunnel, adopts wet shot machine, shotcrete robot and commercial concrete, has realized the mechanization of spray operation.
Because the coal mine roadway section is little, can not the commodity in use concrete, there is the flame proof problem, bring great difficulty for the development of spouting plant.Not being fit to the wet type spouting plant that use in the colliery at present, also is the reason that dried pressure spray process is adopted in the restriction colliery.
The utility model content
The purpose of this utility model provides a kind of simple in structure, easy and simple to handle, labour intensity is low, concrete quality is easy to control, rebound degree is low, dust concentration is little Wet-type patching machine.
For achieving the above object, the technical solution of the utility model is: a kind of Wet-type patching machine, comprise the chassis, be fixed on concrete pump, accelerating admixture pump and manipulator on the chassis by body, the manipulator front end is provided with spray gun by the moving device of spray gun brush, spray gun is connected with the accelerating admixture pump with concrete pump by pipeline, be connected with hydraulic system on the manipulator, body is provided with dynamical system.
Described concrete pump comprises hopper, distributor gear and delivery device, and distributor gear is arranged between hopper and the delivery device; Described distributor gear comprises S shape pipe, S pipe tilt cylinder, cheater plate, cut ring, rubber spring, stirring vane, shaft and stirring motor, S shape pipe is installed in feed hopper bottom by cheater plate and cut ring, cut ring and cheater plate flexibly connect, be provided with rubber spring between cut ring and the S shape pipe, the hopper outer symmetrical is hinged with two S shape pipe tilt cylinders, bucket wall is provided with rotating shaft, S shape pipe tilt cylinder piston rod is connected the rotating shaft outer end, rotating shaft the inner links to each other with S shape pipe, be provided with stirring vane by shaft in the feed hopper bottom, shaft drives with stirring motor and is connected; What described delivery device comprised that two covers are set up in parallel feeds oil cylinder, water tank, connecting rod, piston and concrete cylinder, concrete cylinder one end is corresponding with S shape pipe, the other end links to each other with water tank, water tank with feed oil cylinder and link to each other, be provided with piston in the concrete cylinder, piston links to each other with connecting rod in the water tank.
Described manipulator comprises big arm, telescopic arm, the spray gun tumbler, the spray gun swing span, the spray gun oscillating cylinder, big revolution of arm seat, big arm is faced upward the cylinder of bowing, big arm swing cylinder, big arm folding connecting rod, reciprocal arm, back and forth guide rail and back and forth motor, big arm front end connects telescopic arm, the telescopic arm front end is provided with the spray gun tumbler, spray gun tumbler front end is provided with spray gun swing span and spray gun oscillating cylinder, big arm rear end is hinged on reciprocal arm by hinged big revolution of arm seat, be hinged with big arm between the anterior and big revolution of arm seat of big arm and face upward the cylinder of bowing, be hinged with big arm swing cylinder on the telescopic arm, big arm swing cylinder is hinged with big arm by big arm folding connecting rod, reciprocal arm is connected with a joggle by the tooth bar of downside and the gear shaft in the reciprocal guide rail, gear shaft drives with reciprocal motor and is connected, back and forth the guide rail internal upper part is provided with roller by roller bearing, and back and forth the guide rail inside wall is provided with guide pad.
Described spray gun tumbler comprises screw mandrel and the nut that shell, shell internal thread connect, and screw mandrel passes through bearings in the enclosure, and nut is fixed in the enclosure by flat key, and nut back end is connected with oil cylinder, and the screw mandrel front end is connected with the spray gun swing span.
Described spray gun brush moves device and comprises the moving frame of brush, eccentric shaft, the moving motor of brush and support, and on support, brush moves frame lower end and support ball-joint, upper end and eccentric shaft ball-joint to eccentric shaft by bearings, and the moving motor of brush drives and is connected on the eccentric shaft.
Described spray gun comprises nozzle, compressed air joint and mixed flow device, and compressed air joint is arranged on the mixed flow device.
Described chassis is a caterpillar chassis.
Compared with prior art, the utility model has the advantages that:
1, technical solutions of the utility model comprise the chassis, are fixed on concrete pump, accelerating admixture pump and manipulator on the chassis by body, the manipulator front end is provided with spray gun by the moving device of spray gun brush, spray gun is connected with the accelerating admixture pump with concrete pump by pipeline, be connected with hydraulic system on the manipulator, body is provided with dynamical system, and is simple in structure, and a people can operate, easy and simple to handle, labour intensity is low; Concrete quality is easy to control, wet shot in situ preparation concrete, and proportioning, water/binder ratio can accurately be controlled, and force to stir, and concrete quality is good; Rebound degree is low, and the concrete preparation quality of wet shot is good, and the rapid hardening dose controlled adds wind in spray gun, and rebound degree is than doing (tide) spray low 15% ~ 20%; Dust concentration is low, owing to adopt wet shot, it breathes dust can drop to 0.4mg/m
3, full dirt drops to 1.5mg/m
3, the machine side does not almost have dust.
2, the utility model adopts manipulator to replace the manually-operated spray gun, can reduce labour intensity, raises the efficiency the quality with sprayed mortar.
3, the utility model adopts the wet shot mode, has complied with wet shot and has replaced doing the trend of spraying (or tide spray), has market prospects preferably, and is easy to utilize.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of concrete pump among Fig. 1;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the vertical view of Fig. 2;
Fig. 5 is the structural representation of manipulator among Fig. 1;
Fig. 6 is the left view of Fig. 5;
Fig. 7 is the structural representation of reciprocal guide rail among Fig. 5;
Fig. 8 is the B-B sectional view among Fig. 7;
Fig. 9 is the structural representation of spray gun tumbler among Fig. 5;
Figure 10 is the structural representation of the moving device of spray gun brush among Fig. 1;
Figure 11 is the structural representation of spray gun among Fig. 1;
Figure 12 is the left view of Figure 11.
The specific embodiment
Wet-type patching machine as shown in Figure 1, it comprises on chassis 1, the chassis 1 that chassis 1 is a caterpillar chassis by body 10 hard-wired concrete pumps 2, accelerating admixture pump 6 and manipulator 3.Front end at manipulator 3 is provided with spray gun 8 by the moving device 9 of spray gun brush, and spray gun 8 is connected with accelerating admixture pump 6 with concrete pump 2 by pipeline 7, is connected with hydraulic system 4 on the manipulator 3, and body 10 is provided with dynamical system 5.Dynamical system 5 is 30kW, three-phase alternating current 660/1140V mine anti-explosion motor.
Shown in Fig. 2-4, concrete pump 2 comprises hopper 23, distributor gear 22 and delivery device 21, and distributor gear 22 is arranged between hopper 23 and the delivery device 21.
Left and right sides alternatively swinging by S shape pipe tilt cylinder 215 makes between concrete cylinder 28 and the carrier pipe to couple together, and concrete is alternately realized sucking and discharging, and realizes the switching of positive pump state and anti-pump state.
The pumpability of concrete pump 2 is: flow 6m
3/ h, pressure 6Mpa.
Shown in Fig. 5-8, manipulator comprises big arm 32, telescopic arm 34, spray gun tumbler 31, spray gun swing span 11, spray gun oscillating cylinder 12, big revolution of arm seat 310, big arm is faced upward the cylinder 33 of bowing, big arm swing cylinder 38, big arm folding connecting rod 39, reciprocal arm 37, back and forth guide rail 35 and back and forth motor 36, big arm 32 front ends connect telescopic arm 34, telescopic arm 34 front ends are provided with spray gun tumbler 31, spray gun tumbler 31 front ends are provided with spray gun swing span 11 and spray gun oscillating cylinder 12, big arm 32 rear ends are hinged on reciprocal arm 37 by hinged big revolution of arm seat 310, be hinged with big arm between big the arm 32 anterior and big revolution of arm seats 310 and face upward the cylinder 33 of bowing, big arm 32 is faced upward at big arm under the driving of the cylinder 33 of bowing and is faced upward the motion of bowing, 30 ° of nutations, face upward 60 °.Be hinged with big arm swing cylinder 38 on the telescopic arm 34, big arm swing cylinder 38 is hinged with big arm 32 by big arm folding connecting rod 39, big arm swing cylinder 38 drives the hinge swing of big revolution of arm seat 310 around reciprocal arm 37 by big arm folding connecting rod 39,30 ° of left side pendulum, 180 ° of right pendulum, 180 ° of right pendulum can make big arm 32 folding to dwindle transportation lengths.Reciprocal arm 37 is connected with a joggle by the tooth bar 316 of downside and the gear shaft 315 in the reciprocal guide rail 35, gear shaft 315 drives with reciprocal motor 36 and is connected, back and forth guide rail 35 internal upper parts are provided with roller 312 by roller bearing 313, roller 312 on roller bearing 313, makes the friction of motion of reciprocal arm 37 become rolling friction by bearings.Back and forth guide rail 35 inside walls are provided with guide pad 314, and the motion of 314 pairs of reciprocal arm 37 of guide pad play the guiding role.Gear shaft 4 by bearings on the casing and and back and forth the motor key is connected and reciprocal arm on the tooth bar engagement, the driving reciprocal arm is moved.Back and forth motor 36 drives the reciprocating motion that reciprocal arm 37 realize manipulator 3 by gear shaft 315 and reciprocal tooth bar 316, and its stroke is 1500mm.It is reciprocating in big arm 32 that flexible motor 311 drives telescopic arm 34 by pinion and rack, and stroke is 1200mm.
Manipulator 3 has six-freedom degree, can make nozzle 8 with the circular motion of drawing a picture of the pivot angle of the rotating speed of 60 r/min and 4 °, and can adapt to the wet shotcrete technology concrete work of 6m * 6m section tunnel.The effect of manipulator 3 is that nozzle 81 is adjusted to vertical by spray plane and at a distance of the position of 800-1000mm, makes nozzle 81 longitudinally do the reciprocating motion that straight line is drawn circle.
As shown in Figure 9, spray gun tumbler 31 comprises the screw mandrel 318 and nut 320 that shell 317, shell 317 internal threads connect, and in shell 317, nut 320 is fixed in the shell 317 by flat key 319 screw mandrel 318 by bearings.Nut 320 rear ends are connected with oil cylinder 321, and screw mandrel 318 front ends connect spray gun swing span 11, and spray gun swing span 11 links to each other with the moving device 9 of spray gun brush.Nut 320 can slide in shell 317, but limits its circumferential rotation by flat key 319.320 motions of oil cylinder 321 drive nuts, thus drive screw mandrel 318 and spray gun swing span 11 are done gyration.Spray gun tumbler 31 links to each other with telescopic arm 34, and screw mandrel 318 can make spray gun 8 around big arm 32 rotational, turn left 146 °, turn right 146 °.
As shown in figure 10, the moving device 9 of spray gun brush comprises the moving frame 91 of brush, eccentric shaft 92, the moving motor 93 of brush and support 94, on support 94, brush moving motor 93 drivings and be connected on the eccentric shaft 92 by moving frame 91 lower ends of brush and support 94 ball-joints, upper end and eccentric shaft 92 ball-joints by bearings for eccentric shaft 92.Spray gun swing span 11 and spray gun tumbler 31 are connected, and hinged with the moving device 9 of spray gun brush, and under the driving of spray gun oscillating cylinder 12, the moving device 9 of spray gun brush is around the hinge swing, 60 ° of nutations, face upward 30 °.Spray gun 8 is fixed on the moving frame 91 of brush of the moving device 9 of spray gun brush, makes circular cone and rotate 4 ° of rotating speed 60 r/min, pivot angles under the driving of the moving device 9 of spray gun brush.By the combination of above-mentioned motion, can make spray gun move to any whitewashing position of 6m * 6m section tunnel.Brush moving motor 93 and drive eccentric shafts 92 rotations, thereby the moving frame 91 of drive brush is done the circular cone rotation.
As Figure 11, shown in Figure 12, spray gun 8 comprises nozzle 81, compressed air joint 82 and mixed flow device 83, and mixed flow device 83 is installed in nozzle 81 lower ends, and compressed air joint 82 is arranged on the mixed flow device 83.In mixed flow device 83, the compressed air and the concrete that have accelerating admixture mix, and are sprayed onto by on the spray plane after quickening by nozzle 81.Discharge nozzle 13 upper ends by snap joint be connected with spray gun 8, the lower end is connected with pipeline 7 from concrete pump 2 by snap joint.
When the utility model uses, with concrete pump 2 by pipeline 7 spray gun 8 places of transmission and concrete transmission to manipulator 3, utilize on the compressed air that has accelerating admixture in the accelerating admixture pump 6 is ejected into concrete by spray plane at spray gun 8 places.This machine dependable performance, easy and simple to handle, only need one man operation, can be widely used in the engineering constructions such as mine, railway, water power, urban construction.
Use of the present utility model is divided into execute-in-place and carries back two stages of cleaning.Execute-in-place comprises the steps: 1, connecting pipe; 2, the mechanism that turns on the power makes the hydraulic system operate as normal; 3, adjust the nozzle of manipulator to the position of whitewashing; 4, start concrete pump; 5, start the accelerating admixture pump.Carry the back cleaning to comprise the steps: 1, clean hopper: inside and outside the high pressure water washing hopper; 2, clean S shape pipe and concrete cylinder: open the bend pipe at hopper outlet place, start anti-pump operation, simultaneously water pipe is put in the S shape pipe from the exit, the concrete in anti-pump process in flushing S shape pipe and the concrete cylinder; 3, in hopper, fill with clear water, start actuating unit, hydraulic system, concrete pump and accelerating admixture pump, carry out pipeline with clear water and clean; 4, clean shower nozzle.
Claims (7)
1. Wet-type patching machine, it is characterized in that: comprise the chassis, be fixed on concrete pump, accelerating admixture pump and manipulator on the chassis by body, the manipulator front end is provided with spray gun by the moving device of spray gun brush, spray gun is connected with the accelerating admixture pump with concrete pump by pipeline, be connected with hydraulic system on the manipulator, body is provided with dynamical system.
2. Wet-type patching machine as claimed in claim 1 is characterized in that: described concrete pump comprises hopper, distributor gear and delivery device, and distributor gear is arranged between hopper and the delivery device; Described distributor gear comprises S shape pipe, S pipe tilt cylinder, cheater plate, cut ring, rubber spring, stirring vane, shaft and stirring motor, S shape pipe is installed in feed hopper bottom by cheater plate and cut ring, cut ring and cheater plate flexibly connect, be provided with rubber spring between cut ring and the S shape pipe, the hopper outer symmetrical is hinged with two S shape pipe tilt cylinders, bucket wall is provided with rotating shaft, S shape pipe tilt cylinder piston rod is connected the rotating shaft outer end, rotating shaft the inner links to each other with S shape pipe, be provided with stirring vane by shaft in the feed hopper bottom, shaft drives with stirring motor and is connected; What described delivery device comprised that two covers are set up in parallel feeds oil cylinder, water tank, connecting rod, piston and concrete cylinder, concrete cylinder one end is corresponding with S shape pipe, the other end links to each other with water tank, water tank with feed oil cylinder and link to each other, be provided with piston in the concrete cylinder, piston links to each other with connecting rod in the water tank.
3. Wet-type patching machine as claimed in claim 1 or 2, it is characterized in that: described manipulator comprises big arm, telescopic arm, the spray gun tumbler, the spray gun swing span, the spray gun oscillating cylinder, big revolution of arm seat, big arm is faced upward the cylinder of bowing, big arm swing cylinder, big arm folding connecting rod, reciprocal arm, back and forth guide rail and back and forth motor, big arm front end connects telescopic arm, the telescopic arm front end is provided with the spray gun tumbler, spray gun tumbler front end is provided with spray gun swing span and spray gun oscillating cylinder, big arm rear end is hinged on reciprocal arm by hinged big revolution of arm seat, be hinged with big arm between the anterior and big revolution of arm seat of big arm and face upward the cylinder of bowing, be hinged with big arm swing cylinder on the telescopic arm, big arm swing cylinder is hinged with big arm by big arm folding connecting rod, reciprocal arm is connected with a joggle by the tooth bar of downside and the gear shaft in the reciprocal guide rail, gear shaft drives with reciprocal motor and is connected, back and forth the guide rail internal upper part is provided with roller by roller bearing, and back and forth the guide rail inside wall is provided with guide pad.
4. Wet-type patching machine as claimed in claim 3, it is characterized in that: described spray gun tumbler comprises screw mandrel and the nut that shell, shell internal thread connect, screw mandrel by bearings in the enclosure, nut is fixing in the enclosure by flat key, nut back end is connected with oil cylinder, and the screw mandrel front end is connected with the spray gun swing span.
5. Wet-type patching machine as claimed in claim 4, it is characterized in that: the moving device of described spray gun brush comprises the moving frame of brush, eccentric shaft, the moving motor of brush and support, eccentric shaft by bearings on support, the moving frame lower end of brush and support ball-joint, upper end and eccentric shaft ball-joint, the moving motor of brush drives and is connected on the eccentric shaft.
6. Wet-type patching machine as claimed in claim 5 is characterized in that: described spray gun comprises nozzle, compressed air joint and mixed flow device, and compressed air joint is arranged on the mixed flow device.
7. Wet-type patching machine as claimed in claim 6 is characterized in that: described chassis is a caterpillar chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201158993U CN202090937U (en) | 2011-04-20 | 2011-04-20 | Wet type pulp sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201158993U CN202090937U (en) | 2011-04-20 | 2011-04-20 | Wet type pulp sprayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202090937U true CN202090937U (en) | 2011-12-28 |
Family
ID=45366010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201158993U Expired - Fee Related CN202090937U (en) | 2011-04-20 | 2011-04-20 | Wet type pulp sprayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202090937U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733822A (en) * | 2012-06-12 | 2012-10-17 | 毛杰 | Wet concrete slurry-spray robot |
| CN102862232A (en) * | 2012-08-28 | 2013-01-09 | 山西晋煤集团金鼎煤机矿业有限责任公司 | Movable wet shotcrete mixing station |
| CN102889088A (en) * | 2012-10-19 | 2013-01-23 | 平顶山市安泰华矿用安全设备制造有限公司 | Crawler belt walking wet type concrete sprayer |
| CN102913440A (en) * | 2012-09-28 | 2013-02-06 | 山推楚天工程机械有限公司 | Automatic wearing clearance compensation device for S pipe valve of concrete pump |
| CN103775104A (en) * | 2014-02-28 | 2014-05-07 | 山西晋城无烟煤矿业集团有限责任公司 | Wet concrete spouting process for use under coal mine |
| CN104533459A (en) * | 2014-12-30 | 2015-04-22 | 山东科技大学 | Guniting manipulator |
| CN104655515A (en) * | 2015-02-13 | 2015-05-27 | 长安大学 | Method for measuring wet spraying resilient rate of primary lining concrete in tunnel construction |
| CN106320673A (en) * | 2016-08-19 | 2017-01-11 | 北京中煤矿山工程有限公司 | Accelerating agent adding control system and method |
| CN106522995A (en) * | 2016-12-30 | 2017-03-22 | 中铁工程装备集团有限公司 | Mixed spraying system special for TBM |
| CN106761831A (en) * | 2016-12-30 | 2017-05-31 | 中铁工程装备集团有限公司 | A kind of new mixed spray apparatus of TBM |
| CN108691557A (en) * | 2018-07-24 | 2018-10-23 | 山东科技大学 | A kind of no pulse S valve wet-spraying machines |
-
2011
- 2011-04-20 CN CN2011201158993U patent/CN202090937U/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733822A (en) * | 2012-06-12 | 2012-10-17 | 毛杰 | Wet concrete slurry-spray robot |
| CN102862232A (en) * | 2012-08-28 | 2013-01-09 | 山西晋煤集团金鼎煤机矿业有限责任公司 | Movable wet shotcrete mixing station |
| CN102862232B (en) * | 2012-08-28 | 2014-08-13 | 山西晋煤集团金鼎煤机矿业有限责任公司 | Movable wet shotcrete mixing station |
| CN102913440A (en) * | 2012-09-28 | 2013-02-06 | 山推楚天工程机械有限公司 | Automatic wearing clearance compensation device for S pipe valve of concrete pump |
| CN102913440B (en) * | 2012-09-28 | 2015-09-02 | 山推楚天工程机械有限公司 | Concrete Pump with S pipe valve auto-compensation wearing clearance device |
| CN102889088A (en) * | 2012-10-19 | 2013-01-23 | 平顶山市安泰华矿用安全设备制造有限公司 | Crawler belt walking wet type concrete sprayer |
| CN102889088B (en) * | 2012-10-19 | 2014-12-03 | 平顶山市安泰华矿用安全设备制造有限公司 | Crawler belt walking wet type concrete sprayer |
| CN103775104A (en) * | 2014-02-28 | 2014-05-07 | 山西晋城无烟煤矿业集团有限责任公司 | Wet concrete spouting process for use under coal mine |
| CN104533459B (en) * | 2014-12-30 | 2019-01-08 | 山东科技大学 | A kind of shotcrete robot |
| CN104533459A (en) * | 2014-12-30 | 2015-04-22 | 山东科技大学 | Guniting manipulator |
| CN104655515A (en) * | 2015-02-13 | 2015-05-27 | 长安大学 | Method for measuring wet spraying resilient rate of primary lining concrete in tunnel construction |
| CN106320673B (en) * | 2016-08-19 | 2018-11-06 | 北京中煤矿山工程有限公司 | Accelerator adds control system and accelerator adds control method |
| CN106320673A (en) * | 2016-08-19 | 2017-01-11 | 北京中煤矿山工程有限公司 | Accelerating agent adding control system and method |
| CN106522995A (en) * | 2016-12-30 | 2017-03-22 | 中铁工程装备集团有限公司 | Mixed spraying system special for TBM |
| CN106761831A (en) * | 2016-12-30 | 2017-05-31 | 中铁工程装备集团有限公司 | A kind of new mixed spray apparatus of TBM |
| CN106522995B (en) * | 2016-12-30 | 2018-07-27 | 中铁工程装备集团有限公司 | A kind of special mixed spray systems of TBM |
| CN108691557A (en) * | 2018-07-24 | 2018-10-23 | 山东科技大学 | A kind of no pulse S valve wet-spraying machines |
| CN108691557B (en) * | 2018-07-24 | 2021-02-09 | 山东科技大学 | No pulse S valve wet blasting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180807 Address after: 467000 16 Sunshine Road, Weidong District, Pingdingshan, Henan Patentee after: Pingdingshan Sunxin Machinery Manufacturing Co., Ltd. Address before: 467000 Henan Pingdingshan Xinhua District Ping An Avenue Middle Section Pingdingshan (Group) Zhongnan Automobile Trading Co., Ltd. Patentee before: Zhongping Nenghua Group Tiangong Machinery Manufacturing Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20190420 |