CN105060233A - Slurry delivering device - Google Patents
Slurry delivering device Download PDFInfo
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- CN105060233A CN105060233A CN201510414942.9A CN201510414942A CN105060233A CN 105060233 A CN105060233 A CN 105060233A CN 201510414942 A CN201510414942 A CN 201510414942A CN 105060233 A CN105060233 A CN 105060233A
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- electromagnetic valve
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Abstract
The invention provides a slurry delivering device. The slurry delivering device is used for delivering slurry to a wallboard machine. The slurry delivering device comprises a support and a stirring slurry injection machine. The stirring slurry injection machine is mounted on the support and used for stirring the slurry. The slurry delivering device is characterized in that the slurry delivering device further comprises a controller and a pumping mechanism; the pumping mechanism comprises a first electromagnetic valve, a second electromagnetic valve, a pumping structure, a delivery pipe and a pumping machine; the pumping structure comprises two driving components, two oil cylinders, two piston rods, a first buffer cylinder, a second buffer cylinder, a first one-way valve and a second one-way valve; the controller is electrically connected with the first electromagnetic valve and the second electromagnetic valve; when the first electromagnetic valve is closed and the second electromagnetic valve is opened, a piston frame and a piston in the first buffer cylinder can push the slurry into the delivery pipe when the first one-way valve is opened; when the first electromagnetic valve is opened and the second electromagnetic valve is closed, a piston frame and a piston in the second buffer cylinder can move along with the corresponding piston rod and push the slurry into the delivery pipe when the second one-way valve is opened.
Description
[technical field]
The present invention relates to slip manufacture field, the slurry delivery device particularly in a kind of wallboard machine.
[background technology]
Pumping mechanism in current wallboard machine production facilities, small displacement stock pump in adopting mostly, a large amount of diameter is had to be 3-5mmEPS (expandable polystyrene) foam beads in raw MAT'L due to manufacture wallboard, and the pumping particle diameter of middle small displacement stock pump is 2-5mm, so be easy to cause obstruction in pumping procedure.If change the stock pump compared with huge discharge, cost is too high; In addition, traditional pumping mechanism only adopts an independent storing buffer memory cylinder, in wallboard manufacturing process, after the material pulp pumping in buffer memory cylinder to wallboard machine, need to wait for that buffer memory cylinder again fills slip and could continue pumping slip, this process waste plenty of time, and cause the delayed of whole production.
[summary of the invention]
In view of above content, be necessary to provide a kind of slurry delivery device, this slurry delivery device effectively can carry slip, prevents blocking, and can speed production efficiency.
For achieving the above object, the technical solution adopted in the present invention is: a kind of slurry delivery device, in order to by slurry pipeline transport to wallboard machine, described slurry delivery device includes support and mixing-filling machine; Described mixing-filling machine is installed on the bracket, and in order to stir slip, described slurry delivery device also includes controller and pumping mechanism, and described pumping mechanism includes the first electromagnetic valve, the second electromagnetic valve, pump structure, delivery pipe and takes out material machine; Described delivery pipe is communicated with described pump structure and described wallboard machine, described in take out material machine and connect described delivery pipe, in order to by the material pulp pumping in delivery pipe to described wallboard machine; Described pump structure includes two actuators, two oil cylinders, two-piston bar, the first buffer memory cylinder, the second buffer memory cylinder, the first check valve and the second check valve; Described first electromagnetic valve and described second electromagnetic valve are electrically connected described two actuators respectively, described two oil cylinders connect described two actuators and described two-piston bar respectively, described two-piston bar is housed in described first buffer memory cylinder, described second buffer memory cylinder respectively, and be provided with piston shelf and piston at end respectively, described piston shelf is set on corresponding piston rod, and described piston to be arranged on corresponding piston rod and to be housed in corresponding piston shelf; Described first check valve one end connects the bottom of described first buffer memory cylinder, and the other end connects described delivery pipe via transfer tube, and described second check valve one end connects the bottom of described second buffer memory cylinder, delivery pipe described in the other end; Described controller is in order to control the closed or disconnection of described first electromagnetic valve, described second electromagnetic valve; When described first solenoid closure, when described second electromagnetic valve disconnects, the actuator connecting described first electromagnetic valve moves along the direction near described first check valve in order to drive the piston rod of described first buffer memory cylinder, and described piston shelf can move with corresponding piston rod with described piston and when described first check valve is opened, slip be pushed described delivery pipe; When described first electromagnetic valve disconnects, during described second solenoid closure, the actuator connecting described second electromagnetic valve moves along the direction near described second check valve in order to drive the piston rod of described second buffer memory cylinder, and described piston shelf can move with corresponding piston rod with described piston and when described second check valve is opened, slip be pushed described delivery pipe.
Preferably, described piston shelf includes framework, leaks bin and packing ring, described framework is set in corresponding piston rod, described leakage bin is arranged in described framework, described packing ring is arranged on the bottom of described framework, and the lower end of described two-piston bar can stretch into corresponding framework respectively, and can through corresponding leakage bin, described two-piston bar is arranged on the end of described two-piston bar respectively, and between the leakage bin and packing ring of correspondence.
Preferably, described packing ring offers discharging opening, and described piston in order to discharging opening described in opening and closing of fault, and can push slip when closing described discharging opening together with described piston shelf.
Preferably, described packing ring includes upper gasket, seal ring and lower gasket, and described seal ring is clamped between described upper gasket and described lower gasket.
Preferably, the external diameter of described packing ring is suitable with the internal diameter of the first corresponding buffer memory cylinder, the second buffer memory cylinder.
Preferably, described first check valve and described second check valve include outer cylinder body, inner cylinder body, installation sleeve, screw rod, elastic component and baffle plate respectively; Described inner cylinder body is positioned at described outer cylinder body, and be connected with described outer cylinder body, described installation sleeve is arranged in the described interior body of rod, described screw rod is housed in described installation sleeve, and two ends are provided with upper cap nut and lower nut, described elastic component resilient clamp is between described upper cap nut and described installation sleeve, and described baffle plate is arranged on described screw rod, and to be positioned at below described installation sleeve and against described lower nut; Described baffle plate closes the bottom of described inner cylinder body, and departs from the described interior body of rod when described elastic component elastic deformation.
Preferably, the center shaft of described outer cylinder body, inner cylinder body, installation sleeve and screw rod overlaps.
Preferably, the center shaft of described inner cylinder body overlaps with the center shaft of the first corresponding buffer memory cylinder, the second buffer memory cylinder.
Preferably, the central axis of described baffle plate and described screw rod.
Preferably, described piston has trapezoid cross section.
The present invention has following beneficial effect:
1. the present invention replaces the closed or disconnection of control first electromagnetic valve, the second electromagnetic valve by controller, the slurry pipeline transport order of the control first buffer memory cylinder indirectly circulated and the second buffer memory cylinder, that is: by the material pulp pumping in the first buffer memory cylinder to wallboard machine, slip again in pumping second buffer memory cylinder, then repeat pumping, the slip in such circulation propelling movement first buffer memory cylinder, the second buffer memory cylinder, prevent in making wallboard machine process, slip interrupts conveying, and affects whole processing progress;
2. inventive piston frame and piston one work and the slip in the first buffer memory cylinder, the second buffer memory cylinder are pushed delivery pipe, prevent slip to be accumulated in blocking channel in buffer memory cylinder, cause to produce to stop.
[accompanying drawing explanation]
Fig. 1 is a schematic diagram of a better embodiment of slurry delivery device of the present invention.
Fig. 2 is a schematic diagram of the first buffer memory cylinder in Fig. 1, the second buffer memory cylinder, piston cylinder, piston.
Fig. 3 is a schematic diagram of oil cylinder in Fig. 2, piston rod, piston shelf, piston.
Fig. 4 is a schematic diagram of the first check valve in Fig. 2, and wherein, described first check valve is in closed condition.
Fig. 5 is a schematic diagram of the first check valve in Fig. 2, and wherein, described first check valve is in opening.
Main element nomenclature
| Slurry delivery device 100 | Wallboard machine 200 | Controller 10 |
| Support 20 | Mixing-filling machine 30 | Pumping mechanism 90 |
| First electromagnetic valve 40 | Second electromagnetic valve 50 | Pump structure 60 |
| Delivery pipe 70 | Take out material machine 80 | Described first electromagnetic valve 40 |
| Second electromagnetic valve 50 | Pump structure 60 | Delivery pipe 70 |
| Take out material machine 80 | Actuator 61 | Oil cylinder 62 |
| Piston rod 63 | First buffer memory cylinder 64 | Second buffer memory cylinder 65 |
| First check valve 66 | Second check valve 67 | Inlet point 641 |
| Piston shelf 68 | Piston 69 | Framework 681 |
| Leak bin 682 | Packing ring 683 | Upper gasket 6831 |
| Seal ring 6832 | Lower gasket 6833 | Discharging opening 6834 |
| Outer cylinder body 661 | Inner cylinder body 662 | Installation sleeve 663 |
| Screw rod 664 | Elastic component 665 | Baffle plate 666 |
| First butt flange 667 | Second butt flange 668 | Upper cap nut 6641 |
| Lower nut 6642 | Transfer tube 669 |
Following detailed description of the invention will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
[detailed description of the invention]
Refer to Fig. 1 and Fig. 2, in a better embodiment of the present invention, a slurry delivery device 100, in order to by slurry pipeline transport to wallboard machine 200, and comprises controller 10, support 20, mixing-filling machine 30 and a pumping mechanism 90.Described mixing-filling machine 30 is arranged on described support 20, and in order to stir slip; In addition, described controller 10 opens or cuts out described mixing-filling machine 30.
Described pumping mechanism 90 is arranged between described mixing-filling machine 30 and described wallboard machine 200, and includes one first electromagnetic valve 40,1 second electromagnetic valve 50, pump structure 60, delivery pipe 70 and and take out material machine 80.Described first electromagnetic valve 40 and described second electromagnetic valve 50 are electrically connected described controller 10 respectively.One end of described delivery pipe 70 is arranged on the below of described pump structure 60, and the other end is communicated with described wallboard machine 200.Described material machine 80 of taking out is connected with described delivery pipe 70, in order to by the material pulp pumping in described delivery pipe 70 to described wallboard machine 200, and controlled to open or close by described controller 10.In the present embodiment, described in take out material machine 80 and jointly form primarily of Hydraulic Station and electric cabinet, described controller 10 can open described electric cabinet, and slip can be sprayed onto described wallboard machine 200 by described Hydraulic Station under described electric cabinet mode of operation.
Please also refer to Fig. 3, described pump structure 60 includes two actuator 61, two oil cylinders 62, two-piston bar 63,1 first buffer memory cylinder 64,1 second buffer memory cylinder 65,1 first check valve 66 and one second check valve 67.In the present embodiment, described two actuators 61 are motor.Described first buffer memory cylinder 64 and described second buffer memory cylinder 65 have identical structure, and upper end is provided with an inlet point 641 (see Fig. 2), the slurry in described mixing-filling machine 30 falls into described first buffer memory cylinder 64 and described second buffer memory cylinder 65 via described inlet point 641.Described two actuators 61 are electrically connected with described first electromagnetic valve 40, described second electromagnetic valve 50 respectively, and work when the first electromagnetic valve 40, second electromagnetic valve 50 of correspondence is opened.Described two oil cylinders 62 connect described two actuators 61 and described two-piston bar 63 respectively.Described two-piston bar 63 is housed in described first buffer memory cylinder 64, second buffer memory cylinder 65 respectively, and free end is respectively equipped with piston shelf 68 and a piston 69.Described piston 69 is arranged on the end of corresponding piston rod 63, and is housed in described piston shelf 68.In the present embodiment, described piston 68 has trapezoid cross section.
Please continue to refer to Fig. 1-3, described piston shelf 68 includes a framework 681, and leaks bin 682 and a packing ring 683.Described framework 681 is set on corresponding piston rod 63, and width is less than the internal diameter of the first corresponding buffer memory cylinder 64, second buffer memory cylinder 65.Described leakage bin 682 is arranged in described framework 681, and described framework 63 is stretched in described piston rod 63 lower end, and through described leakage bin 682, described piston 69 is arranged on the end of corresponding piston rod 63, and between described leakage bin 682 and described packing ring 683.Described packing ring 683 is arranged on the bottom of described framework 681, and external diameter is suitable with the internal diameter of the first corresponding buffer memory cylinder 64, second buffer memory cylinder 65.Further, described packing ring 683 includes upper gasket 6831, seal ring 6832 and a lower gasket 6833; Described seal ring 6832 is clamped between described upper gasket 6831 and described lower gasket 6833.In addition, described packing ring 683 offers discharging opening 6834, and described piston 69 is in order to discharging opening described in opening and closing of fault 6834; Preferably, the center shaft of described discharging opening 6834 overlaps with the center shaft of corresponding piston rod 63.When described piston 69 departs from described discharging opening 6834, described slip can drop out described piston shelf 68 via described discharging opening 6834; When described piston 69 closes described discharging opening 6834, described slip cannot drop out described piston shelf 68.
Please also refer to Fig. 4 and Fig. 5, described first check valve 66 connects described first buffer memory cylinder 64 and described delivery pipe 70, and described second check valve 67 connects described second buffer memory cylinder 65 and described delivery pipe 70.In the present embodiment, described first check valve 66 and described second check valve 67 have identical structure, and include outer cylinder body 661, inner cylinder body 662, installation sleeve 663, screw rod 664, elastic component 665, baffle plate 666,1 first butt flange 667 and one second butt flange 668 respectively.Described first butt flange 667 and described second butt flange 668 are set in the opposite end of described outer cylinder body 661 respectively.
Described inner cylinder body 662 is positioned at described outer cylinder body 661, and is connected with described outer cylinder body 661.Preferably, described inner cylinder body 662 and described outer cylinder body 661 are of similar shape, and are cylinder; Described inner cylinder body 662 has identical center shaft with described outer cylinder body 661.Described installation sleeve 663 is arranged on the inwall of described inner cylinder body 662, and center shaft overlaps with the center shaft of described inner cylinder body 662.Described screw rod 664 is housed in described installation sleeve 663, and two ends are respectively equipped with some outside thread (not shown), and upper cap nut 6641 and lower nut 6642 are arranged on described screw rod 664 respectively by described outside thread.Described elastic component 665 is enclosed within described screw rod 664, and is clamped between described upper cap nut 6641 and described installation sleeve 663.Described baffle plate 666 is arranged on described screw rod 664, and be positioned at described installation sleeve 663 below and against described lower nut 6642; Described baffle plate 666 because the effect of described elastic component 665 is against the bottom of described inner cylinder body 662, and departs from the described interior body of rod 662 when described elastic component 665 elastic deformation.Preferably, the center shaft of described screw rod 664 overlaps with the center shaft of described inner cylinder body 662.
Refer to Fig. 1 and Fig. 2, during assembling, first butt flange 667 of described first check valve 66 is fixed together by welding manner with the lower end of described first buffer memory cylinder 64, second butt flange 668 of described first check valve 66 connects one end of a transfer tube 669, and be communicated with described delivery pipe 70 by described transfer tube 669, at this moment, the center shaft of described first buffer memory cylinder 66 overlaps with the center shaft of described outer cylinder body 661.First butt flange 667 of described second check valve 67 is fixed together by welding manner with the lower end of described second buffer memory cylinder 65, second butt flange 668 of described second check valve 67 connects one end of described delivery pipe 70, and the other end of described delivery pipe 70 aims at the entrance of described wallboard machine 200.
The better occupation mode of the present invention is as follows: described mixing-filling machine 30 opened by described controller 10, and described mixing-filling machine 30 works and stirs described slip, and stirred slip falls into described first buffer memory cylinder 64, described second buffer memory cylinder 65, at this moment, described controller 10 closes described first electromagnetic valve 40, disconnects described second electromagnetic valve 50, when described first electromagnetic valve 40 closes, the actuator 61 be connected with described first electromagnetic valve 40 works, thus drive the piston rod 63 in described first buffer memory cylinder 64 to move near the direction of described first check valve 66, corresponding piston 69 is driven to move downward, until described piston 69 and described upper gasket 6831 close contact close described discharging opening 6834, at this moment, described piston rod 63 continues to move downward, described piston 69 and described piston shelf 68 continue to move down with described piston rod 63, and combined action promotes described slip downwards, described slip is compressed under pressure, when pressure is greater than the elastic force of the elastic component 665 of described first check valve 66, the screw rod 664 that can promote described first check valve 66 moves downward, until described baffle plate 666 departs from described inner cylinder body 662, thus open described first check valve 66, at this moment, slip can be pushed described input pipe 70 via the inner cylinder body 662 of described first check valve 66 and described transfer tube 669 by described piston 69 and described piston shelf 68, described controller 10 takes out material machine 80 described in opening, described in take out material machine 80 by wallboard machine described in material pulp pumping 200.
When piston shelf 68 in described first buffer memory cylinder 64 supports the bottom of the first buffer memory cylinder 64, the actuator 61 be connected with described first electromagnetic valve 40 works, thus drive the piston rod 63 in described first buffer memory cylinder 64 to move to the direction away from described first check valve 66, corresponding piston 69 and piston shelf 68 is driven to move up to described inlet point 641, then elastic component 665 elasticity of described first check valve 66 is recovered to drive described screw rod 664 upward movement, makes described baffle plate 666 again close the bottom of the described interior body of rod 662, simultaneously, described controller 10 closes described second electromagnetic valve 50, disconnect described first electromagnetic valve 40, when described second electromagnetic valve 50 closes, the actuator 61 be connected with described second electromagnetic valve 50 works, thus drive the piston rod 63 in described second buffer memory cylinder 65 to move near the direction of described second check valve 67, drive corresponding piston 69 to move downward, until described piston 69 and described upper gasket 6831 close contact close described discharging opening 6834, at this moment, described piston rod 63 continues to move downward, described piston 69 and described piston shelf 68 continue to move down with described piston rod 63, and combined action promotes described slip downwards, described slip is compressed under pressure, when pressure is greater than the elastic force of the elastic component 665 of described second check valve 67, the screw rod 664 that can promote described second check valve 67 moves downward, until described baffle plate 666 departs from described inner cylinder body 662, thus open described second check valve 67, at this moment, slip can be pushed described input pipe 70 via the inner cylinder body 662 of described second check valve 67 by described piston 69 and described piston shelf 69, described controller 10 takes out material machine 80 described in opening, described material machine 80 of taking out is by wallboard machine described in material pulp pumping 200.
When piston shelf 68 in described second buffer memory cylinder 65 supports the bottom of the second buffer memory cylinder 65, the actuator 61 be connected with described second electromagnetic valve 50 works thus drives the piston rod 63 in described second buffer memory cylinder 65 to move to the direction away from described second check valve 67, corresponding piston 69 and piston shelf 68 is driven to move up to described inlet point 641, then elastic component 665 elasticity of described second check valve 67 is recovered to drive described screw rod 664 upward movement, described baffle plate 666 is made again to close the bottom of the described interior body of rod 662, at this moment, described controller 10 is closed described first electromagnetic valve 40 again, disconnect described second electromagnetic valve 50, like this, slurry can be continuously pumped into described wallboard machine 200, save production time.
Above-mentioned slurry delivery device 100, replace the closed of control first electromagnetic valve 40, second electromagnetic valve 50 by controller 10 or disconnect, the slurry pipeline transport order of the control first buffer memory cylinder 64 indirectly circulated and the second buffer memory cylinder 65, that is: by after the material pulp pumping in the first buffer memory cylinder 64 to wallboard machine 200, slip again in pumping second buffer memory 65 cylinder, then repeat pumping, slip in such circulation propelling movement first buffer memory cylinder 64, second buffer memory cylinder 65, prevent in making wallboard machine 200 process, slip interrupts conveying, and affects whole processing progress; In addition, push slip to described delivery pipe 70 by the piston shelf 68 in the first buffer memory cylinder 64, second buffer memory cylinder 65 and piston 68, thus prevent slip to be accumulated in blocking slurry channel in buffer memory cylinder, cause and produce stopping.
Above-mentioned explanation is the detailed description for the better possible embodiments of the present invention, but embodiment is also not used to limit patent claim of the present invention, the equal change completed under technical spirit suggested by all the present invention or modification are changed, and all should belong to the present invention and contain the scope of the claims.
Claims (10)
1. a slurry delivery device, in order to by slurry pipeline transport to wallboard machine, described slurry delivery device includes support and mixing-filling machine; Described mixing-filling machine is installed on the bracket, and in order to stir slip, it is characterized in that: described slurry delivery device also includes controller and pumping mechanism, described pumping mechanism includes the first electromagnetic valve, the second electromagnetic valve, pump structure, delivery pipe and takes out material machine; Described delivery pipe is communicated with described pump structure and described wallboard machine, described in take out material machine and connect described delivery pipe, in order to by the material pulp pumping in delivery pipe to described wallboard machine;
Described pump structure includes two actuators, two oil cylinders, two-piston bar, the first buffer memory cylinder, the second buffer memory cylinder, the first check valve and the second check valve; Described first electromagnetic valve and described second electromagnetic valve are electrically connected described two actuators respectively, described two oil cylinders connect described two actuators and described two-piston bar respectively, described two-piston bar is housed in described first buffer memory cylinder, described second buffer memory cylinder respectively, and be provided with piston shelf and piston at end respectively, described piston shelf is set on corresponding piston rod, and described piston to be arranged on corresponding piston rod and to be housed in corresponding piston shelf; Described first check valve one end connects the bottom of described first buffer memory cylinder, and the other end connects described delivery pipe via transfer tube, and described second check valve one end connects the bottom of described second buffer memory cylinder, delivery pipe described in the other end;
Described controller is in order to control the closed or disconnection of described first electromagnetic valve, described second electromagnetic valve; When described first solenoid closure, when described second electromagnetic valve disconnects, the actuator connecting described first electromagnetic valve moves along the direction near described first check valve in order to drive the piston rod of described first buffer memory cylinder, and described piston shelf can move with corresponding piston rod with described piston and when described first check valve is opened, slip be pushed described delivery pipe; When described first electromagnetic valve disconnects, during described second solenoid closure, the actuator connecting described second electromagnetic valve moves along the direction near described second check valve in order to drive the piston rod of described second buffer memory cylinder, and described piston shelf can move with corresponding piston rod with described piston and when described second check valve is opened, slip be pushed described delivery pipe.
2. slurry delivery device as claimed in claim 1, it is characterized in that: described piston shelf includes framework, leaks bin and packing ring, described framework is set in corresponding piston rod, described leakage bin is arranged in described framework, described packing ring is arranged on the bottom of described framework, and the lower end of described two-piston bar can stretch into corresponding framework respectively, and can through corresponding leakage bin, described two-piston bar is arranged on the end of described two-piston bar respectively, and between the leakage bin and packing ring of correspondence.
3. slurry delivery device as claimed in claim 2, is characterized in that: described packing ring offers discharging opening, and described piston in order to discharging opening described in opening and closing of fault, and can push slip when closing described discharging opening together with described piston shelf.
4. slurry delivery device as claimed in claim 2 or claim 3, it is characterized in that: described packing ring includes upper gasket, seal ring and lower gasket, described seal ring is clamped between described upper gasket and described lower gasket.
5. slurry delivery device as claimed in claim 4, is characterized in that: the external diameter of described packing ring is suitable with the internal diameter of the first corresponding buffer memory cylinder, the second buffer memory cylinder.
6., as the slurry delivery device as described in arbitrary in claim 1-3, it is characterized in that: described first check valve and described second check valve include outer cylinder body, inner cylinder body, installation sleeve, screw rod, elastic component and baffle plate respectively; Described inner cylinder body is positioned at described outer cylinder body, and be connected with described outer cylinder body, described installation sleeve is arranged in the described interior body of rod, described screw rod is housed in described installation sleeve, and two ends are provided with upper cap nut and lower nut, described elastic component resilient clamp is between described upper cap nut and described installation sleeve, and described baffle plate is arranged on described screw rod, and to be positioned at below described installation sleeve and against described lower nut; Described baffle plate closes the bottom of described inner cylinder body, and departs from the described interior body of rod when described elastic component elastic deformation.
7. slurry delivery device as claimed in claim 6, is characterized in that: the center shaft of described outer cylinder body, inner cylinder body, installation sleeve and screw rod overlaps.
8. slurry delivery device as claimed in claim 6, is characterized in that: the center shaft of described inner cylinder body overlaps with the center shaft of the first corresponding buffer memory cylinder, the second buffer memory cylinder.
9. slurry delivery device as claimed in claim 6, is characterized in that: the central axis of described baffle plate and described screw rod.
10. slurry delivery device as claimed in claim 1, is characterized in that: described piston has trapezoid cross section.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510414942.9A CN105060233B (en) | 2015-07-15 | 2015-07-15 | A kind of slurry delivery device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510414942.9A CN105060233B (en) | 2015-07-15 | 2015-07-15 | A kind of slurry delivery device |
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| CN105060233A true CN105060233A (en) | 2015-11-18 |
| CN105060233B CN105060233B (en) | 2018-09-21 |
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| CN107780332A (en) * | 2017-11-23 | 2018-03-09 | 中铁成都轨道交通健康管理技术有限公司 | Slip casing by pressure machine |
| CN108327216A (en) * | 2017-12-29 | 2018-07-27 | 武汉中兴创新材料技术有限公司 | The screw rod protective device and feeder of feeder |
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| CN107780332A (en) * | 2017-11-23 | 2018-03-09 | 中铁成都轨道交通健康管理技术有限公司 | Slip casing by pressure machine |
| CN107780332B (en) * | 2017-11-23 | 2023-08-11 | 中铁成都轨道交通健康管理技术有限公司 | Pressure grouting machine |
| CN108327216A (en) * | 2017-12-29 | 2018-07-27 | 武汉中兴创新材料技术有限公司 | The screw rod protective device and feeder of feeder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105060233B (en) | 2018-09-21 |
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