CN117287211A - Intelligent slurry pump protection device for shield machine, use method and application - Google Patents
Intelligent slurry pump protection device for shield machine, use method and application Download PDFInfo
- Publication number
- CN117287211A CN117287211A CN202311087687.2A CN202311087687A CN117287211A CN 117287211 A CN117287211 A CN 117287211A CN 202311087687 A CN202311087687 A CN 202311087687A CN 117287211 A CN117287211 A CN 117287211A
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- branch
- gate
- slurry pump
- crushing
- protection device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000002002 slurry Substances 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000004575 stone Substances 0.000 claims abstract description 46
- 238000001125 extrusion Methods 0.000 claims abstract description 16
- 238000010276 construction Methods 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 230000005641 tunneling Effects 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000011435 rock Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0607—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield being provided with devices for lining the tunnel, e.g. shuttering
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/093—Control of the driving shield, e.g. of the hydraulic advancing cylinders
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to the field of transmission protection equipment, in particular to an intelligent slurry pump protection device for a shield machine, a use method and application thereof. Be provided with break-make gate and breaker in the branch road body of branch road, through the break-make gate control branch road body's break-make, judge the branch road body and take place to block up when liquid flow and liquid pressure reach preset value, break off corresponding branch road body through the break-make gate this moment, then promote broken tooth through breaker's extrusion push rod and remove the stone in the branch road body and break, open another branch road simultaneously and carry out the transportation of mud, carry out crushing processing to the stone voluntarily, improve construction work efficiency.
Description
Technical Field
The invention relates to the field of transmission protection equipment, in particular to an intelligent slurry pump protection device for a shield machine, and a use method and application thereof.
Background
The slurry balance shield machine is a shield machine for underground tunnel construction. The method can be used for constructing tunnels in weak strata and high water level underground by adopting a slurry balance tunneling technology, and is also suitable for common consolidated strata.
The slurry balance shield machine mainly comprises a tunneling head, a shield shell, a propulsion system, a pulse water pump, a slurry treatment system and the like. In the tunneling process, a soil layer in front of a tunneling head of the shield machine is extruded into a shield shell to form a negative pressure slurry ring, so that underground water is replaced by slurry, and the slurry balance tunneling is realized. In addition, the shield shell can also play a role in supporting soil body, so that ground subsidence is avoided, and the safety and stability of tunnel construction are ensured.
The large stone appears in the slurry balance shield machine construction process and is a common phenomenon, and the large stone is easy to damage the slurry pump and the slurry pipeline, so that construction is suspended, and the slurry pump or the slurry pipeline is maintained or replaced, so that the construction efficiency is influenced, and the construction cost is increased. The conventional solution is to arrange a quarrying mechanism at the upstream of the inlet of the slurry pump, but the existing quarrying mechanism is manually controlled and cleaned and does not have the function of breaking stones, so that the problems of complex operation, high labor intensity of personnel, low operation efficiency and the like exist in the using process.
The prior art also provides a slurry shield anti-blocking mud water pump (CN 206309400U) which comprises a mud water pump, a quarrying box and a stone crusher, wherein the stone crusher is arranged in front of a pump port of the mud water pump and is connected with the quarrying box; when the mud pump port is blocked, the stone crusher is started to crush the blocking objects, so that the blocking objects are dispersed and sequentially enter the mud water circulating system through the mud pump. The broken stone structure adopts a crushing mode, and the broken stone structure can only intermittently work and can not continuously pump muddy water for working during working.
Disclosure of Invention
The invention aims to provide an intelligent slurry pump protection device for a shield machine, a using method and application thereof, and aims to automatically crush stones, fully automatically and continuously treat the whole process, protect the slurry pump and improve construction operation efficiency.
In order to achieve the above object, in a first aspect, the present invention provides an intelligent slurry pump protection device for a shield machine, including a feeding pipe, wherein the feeding pipe is used for inputting slurry; the device comprises a feeding pipe, a plurality of branches, a plurality of on-off gates, a pressure sensor, a flow sensor and a crushing device, wherein the feeding pipe is communicated with the branches, the branches are used for passing mud and crushing stone, the branches comprise a branch pipe body, on-off gates, the pressure sensor, the flow sensor and the crushing device, a filter screen is arranged in the branch pipe body, the branch pipe body is communicated with the feeding pipe, the on-off gates are arranged on the branch pipe body, the crushing device is arranged on one side of the on-off gates, the on-off gates comprise an inlet gate and an outlet gate, the inlet gate and the outlet gate are respectively arranged on the branch pipe body and are positioned on two sides of the crushing device, and the on-off gates are used for opening and closing an inlet of the crushing device; the pressure sensor and the flow sensor are arranged between the inlet gate and the outlet gate, the crushing device comprises an extrusion push rod and crushing teeth, the extrusion push rod is in sliding connection with the branch pipe body, and the crushing teeth are mounted on the extrusion push rod; the discharging pipe is used for inputting the treated slurry into the slurry pump; the control system is used for controlling the branch circuit based on signals of the pressure sensor and the flow sensor; the crushing teeth comprise a driving motor, a rotating rod and a crushing teeth body, wherein the driving motor is fixed in the extrusion push rod, the rotating rod is connected with the output end of the driving motor, and the crushing teeth body is fixedly connected with the rotating rod.
Wherein the inlet gate and the outlet gate are driven by either hydraulic drive or motor drive.
The crushing device further comprises a supporting ring, wherein the supporting ring is fixedly connected with the extrusion push rod and is close to the crushing tooth body.
The support ring is provided with a backflow hole, and the backflow hole is arranged on one side of the support ring.
The branch road further comprises a bottom gate and a stone storage box, wherein the stone storage box is arranged at the bottom of the branch road pipe body, and the bottom gate is arranged on one side of the branch road pipe body and used for controlling the on-off of the stone storage box.
The branch pipe further comprises an exhaust pipeline, and the exhaust pipeline is arranged on one side of the branch pipe body.
The invention also provides a use method of the intelligent slurry pump protection device for the shield machine, which comprises the steps of: s101, in the shield construction process, a control system opens an inlet gate and an outlet gate of a first branch, closes an inlet gate and an outlet gate of a second branch, and closes bottom gates of the first branch and the second branch;
s102, when the values detected by the pressure sensor and the flow sensor of the first branch are larger than the program set values, the control system automatically opens the inlet gate and the outlet gate of the second branch, closes the inlet gate and the outlet gate of the first branch, opens the first bottom gate of the first branch, starts the crushing device of the first branch, breaks large stones in a pipeline into small stones, and closes the crushing device of the first branch;
s103, when the values detected by the pressure sensor and the flow sensor of the second branch are larger than the program set values, the control system automatically opens the inlet gate and the outlet gate of the first branch, closes the inlet gate and the outlet gate of the second branch, opens the bottom gate of the second branch, starts the crushing device II of the second branch, crushes large stones in the pipeline into small stones, and closes the crushing device II;
s104, automatically circulating S101-S103 under the control of the control system, and realizing automatic switching of the first branch and the second branch and stone crushing.
In a third aspect, the invention also provides an application of the intelligent slurry pump protection device for the shield machine, which is adopted and applied to a liquid pump with solid impurities at a feed inlet.
According to the intelligent slurry pump protection device for the shield machine, the use method and the application, slurry generated in the working process can be input through the feeding pipe, then the slurry can be respectively input into the slurry pump through the discharging pipe through the plurality of branches, only one branch is opened at a time, and other branches are in a closed state. Be provided with on-off gate and breaker in the branch road body of branch road, through the on-off gate can control the break-make of branch road body, through pressure sensor with flow sensor can detect the liquid flow and the liquid pressure of corresponding branch road body for liquid flow and liquid pressure can judge when reaching the default that the branch road body takes place to block up, pass through at this moment the corresponding branch road body of on-off gate disconnection, then through breaker's extrusion push rod promotes broken tooth removes the stone in the branch road body and breaks, can open another branch road simultaneously and carry out the transportation of mud, after the stone is broken, can gradually close another branch road, then reopen preceding blocked branch road for can carry out crushing processing to the stone voluntarily, in order to improve crushing efficiency, this application broken tooth body still can start when sliding and breaking, the driving motor drives the dwang rotates, so as to drive broken tooth body is rotatory in order to further to break. The whole process can be fully automatically and continuously processed, and the slurry pump is protected, so that the labor intensity of personnel can be reduced, the construction operation efficiency is improved, and the intelligent and efficient construction is realized.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a block diagram of an intelligent slurry pump protector for a shield machine according to a first embodiment of the present invention.
Fig. 2 is a structural view of a crushing tooth according to a first embodiment of the invention.
Fig. 3 is a sectional view of a crushing tooth according to a first embodiment of the invention.
Fig. 4 is a block diagram of an intelligent slurry pump protector for a shield machine according to a second embodiment of the present invention.
Fig. 5 is a flowchart of a method for using an intelligent slurry pump protection device for a shield machine according to a third embodiment of the present invention.
Feed pipe 101, branch 102, branch pipe body 103, on-off gate 104, pressure sensor 105, flow sensor 106, crushing device 107, extrusion ram 108, crushing teeth 109, discharge pipe 110, control system 111, inlet gate 201, outlet gate 202, drive motor 204, rotating rod 205, crushing teeth body 206, support ring 207, return orifice 208, bottom gate 209, stone storage box 210, and exhaust line 211.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
First embodiment
Referring to fig. 1-3, the invention provides an intelligent slurry pump protection device for a shield machine, a use method and an application thereof, wherein the intelligent slurry pump protection device comprises a feeding pipe 101, wherein the feeding pipe 101 is used for inputting slurry;
a plurality of branches 102, a plurality of branches 102 are communicated with the feeding pipe 101 and used for passing mud and crushing stone blocks, each branch 102 comprises a branch pipe body 103, an on-off gate 104, a pressure sensor 105, a flow sensor 106 and a crushing device 107, a filter screen is arranged in each branch pipe body 103, the large-size stone blocks are blocked by the filter screen, each branch pipe body 103 is communicated with the feeding pipe 101, the on-off gate 104 is arranged on the corresponding branch pipe body 103, the crushing device 107 is arranged on one side of the on-off gate 104, each on-off gate 104 comprises an inlet gate 201 and an outlet gate 202, the inlet gate 201 and the outlet gate 202 are respectively arranged on the corresponding branch pipe body 103 and are positioned on two sides of the corresponding crushing device 107, and each on-off gate 104 is used for opening and closing an inlet of the corresponding crushing device 107; the pressure sensor 105 and the flow sensor 106 are arranged between the inlet gate 201 and the outlet gate 202, the crushing device 107 comprises a pressing push rod 108 and crushing teeth 109, the pressing push rod 108 is in sliding connection with the branch pipe body 103, and the crushing teeth 109 are mounted on the pressing push rod 108;
a discharge pipe 110, wherein the discharge pipe 110 is used for inputting the treated slurry into a slurry pump;
a control system 111, said control system 111 being adapted to control the branch 102 based on signals of the pressure sensor 105 and said flow sensor 106; the crushing teeth 109 comprise a driving motor 204, a rotating rod 205 and a crushing tooth body 20, wherein the driving motor 204 is fixed in the extrusion push rod 108, the rotating rod 205 is connected with the output end of the driving motor 204, and the crushing tooth body 206 is fixedly connected with the rotating rod 205.
In this embodiment, the slurry generated during the working process can be fed through the feeding pipe 101, and then the slurry can be fed into the slurry pump through the discharging pipe 110 through the plurality of branches 102, wherein only one branch 102 is opened at a time, and the other branches 102 are closed. Be provided with on-off gate 104 and breaker 107 in the branch pipe body 103 of branch road 102, through on-off gate 104 can control the break-make of branch pipe body 103, through pressure sensor 105 with flow sensor 106 can detect the liquid flow and the liquid pressure of corresponding branch pipe body 103, makes liquid flow and liquid pressure can judge when reaching the default that branch pipe body 103 takes place to block up, at this moment through the break-off gate 104 breaks off corresponding branch pipe body 103, then through the extrusion push rod 108 of breaker 107 promotes broken tooth 109 removes the stone in the branch pipe body 103 and breaks, can open another branch road 102 simultaneously and carry out the transportation of mud, after the stone is broken to accomplish, can gradually close another branch road 102, then reopen preceding blocked branch road 102 for can carry out crushing processing to the stone voluntarily, in order to improve crushing efficiency, this application broken tooth body is broken in the slip, still can start driving the dwang rotates, in order to drive broken tooth body rotation and further carries out. The whole process can be fully automatically and continuously processed, and the slurry pump is protected, so that the labor intensity of personnel can be reduced, the construction operation efficiency is improved, and the intelligent and efficient construction is realized.
Second embodiment
Referring to fig. 3 and fig. 4, on the basis of the first embodiment, the present invention further provides an intelligent slurry pump protection device for a shield tunneling machine, where the on-off gate 104 includes an inlet gate 201, an outlet gate 202, and the inlet gate 201 and the outlet gate 202 are respectively disposed on the branch pipe body 103 and are located on two sides of the crushing device 107, and the on-off gate 104 is used for opening and closing an inlet of the crushing device 107. A crushing space can be provided through the inlet gate 201 and the outlet gate 202, so that the crushing device 107 can process impurities in the crushing space, and the on-off of the crushing device 107 is controlled, so that the use is more convenient.
The inlet shutter 201 and the outlet shutter 202 are driven by either hydraulic driving or motor driving.
The crushing device 107 further comprises a support ring 207, wherein the support ring 207 is fixedly connected with the extrusion push rod 108 and is close to the crushing tooth body 206. The crushing tooth body 206 can be supported by the support ring 207, so that the operation is more stable.
The support ring 207 has a backflow hole 208, and the backflow hole 208 is provided at one side of the support ring 207. Through the backflow hole, working liquid can flow out of the backflow hole, and the phenomenon that the rotation is influenced by accumulation is avoided.
The branch 102 further comprises a bottom gate 209 and a stone storage box 210, wherein the stone storage box 210 is arranged at the bottom of the branch pipe body 103, and the bottom gate 209 is arranged at one side and used for controlling the on-off of the stone storage box 210. When the crushing device 107 fails, the rock can be discharged through the bottom gate 209 into a rock storage box.
The bypass 102 further comprises an exhaust line 211, the exhaust line 211 being mounted on one side of the bypass body 103. When the microwave is turned on to break the rock, the microwave heats and evaporates the water to generate steam, and the exhaust pipe 211 is used for exhausting the steam to avoid high pressure in the pipeline.
Third embodiment
Referring to fig. 5, on the basis of the second embodiment, the invention further provides a use method of the intelligent slurry pump protection device for the shield machine, which adopts the intelligent slurry pump protection device for the shield machine and has two branches divided into a first branch and a second branch, and the use method comprises the following steps:
in the S101 shield construction process, the control system 111 opens the inlet gate 201 and the outlet gate 202 of the first branch, closes the inlet gate 201 and the outlet gate 202 of the second branch, and closes the bottom gates of the first branch and the second branch;
s102, when the values detected by the pressure sensor 105 and the flow sensor 106 of the first branch are larger than the program set values, the control system 111 automatically opens the inlet gate 201 and the outlet gate 202 of the second branch, closes the inlet gate 201 and the outlet gate 202 of the first branch, opens the bottom gate of the first branch, starts the crushing device 107 of the first branch, breaks large stones in a pipeline into small stones, and closes the crushing device I;
s103, when the values detected by the pressure sensor 105 and the flow sensor 106 of the second branch are larger than the program set values, the control system 111 automatically opens the inlet gate 201 and the outlet gate 202 of the first branch, closes the inlet gate 201 and the outlet gate 202 of the second branch, opens the bottom gate of the second branch, starts the crushing device II of the second branch, breaks large stones in the pipeline into small stones, and closes the crushing device II;
s104 is automatically circulated S101-S103 under the control of the control system 111, and automatic switching of the first branch and the second branch and stone crushing are achieved.
Fourth embodiment
The invention provides an application of an intelligent slurry pump protection device for a shield machine, which adopts the intelligent slurry pump protection device for the shield machine of the first embodiment, and applies the intelligent slurry pump protection device for the shield machine to a liquid pump with solid impurities at a feed inlet.
In this embodiment, the slurry pump protection device may be used for other pump bodies, especially for the case where solid impurities in a liquid used in the pump need to be crushed.
The above disclosure is only a preferred embodiment of the present invention, and it should be understood that the scope of the invention is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present invention.
Claims (8)
1. An intelligent slurry pump protection device for a shield machine is characterized in that,
comprises a feeding pipe for feeding mud;
the device comprises a feeding pipe, a plurality of branches, a plurality of on-off gates, a pressure sensor, a flow sensor and a crushing device, wherein the feeding pipe is communicated with the branches, the branches are used for passing mud and crushing stone, the branches comprise a branch pipe body, on-off gates, the pressure sensor, the flow sensor and the crushing device, a filter screen is arranged in the branch pipe body, the branch pipe body is communicated with the feeding pipe, the on-off gates are arranged on the branch pipe body, the crushing device is arranged on one side of the on-off gates, the on-off gates comprise an inlet gate and an outlet gate, the inlet gate and the outlet gate are respectively arranged on the branch pipe body and are positioned on two sides of the crushing device, and the on-off gates are used for opening and closing an inlet of the crushing device; the pressure sensor and the flow sensor are arranged between the inlet gate and the outlet gate, the crushing device comprises an extrusion push rod and crushing teeth, the extrusion push rod is in sliding connection with the branch pipe body, and the crushing teeth are mounted on the extrusion push rod;
the discharging pipe is used for inputting the treated slurry into the slurry pump;
the control system is used for controlling the branch circuit based on signals of the pressure sensor and the flow sensor;
the crushing teeth comprise a driving motor, a rotating rod and a crushing teeth body, wherein the driving motor is fixed in the extrusion push rod, the rotating rod is connected with the output end of the driving motor, and the crushing teeth body is fixedly connected with the rotating rod.
2. The intelligent slurry pump protection device for a shield tunneling machine according to claim 1, wherein,
the inlet gate and the outlet gate are driven by either hydraulic drive or motor drive.
3. The intelligent slurry pump protection device for a shield tunneling machine according to claim 2, wherein,
the crushing device further comprises a supporting ring, wherein the supporting ring is fixedly connected with the extrusion push rod and is close to the crushing tooth body.
4. The intelligent slurry pump protection device for a shield machine according to claim 3, wherein,
the support ring has a backflow hole, which is provided at one side of the support ring.
5. The intelligent slurry pump protection device for a shield tunneling machine according to claim 4, wherein,
the branch road still includes bottom gate and stone storage box, the bottom gate sets up in the bottom of branch road body, the stone storage box sets up the bottom of bottom gate, the bottom gate is used for control the break-make of stone storage box.
6. The intelligent slurry pump protection device for a shield tunneling machine according to claim 5, wherein,
the branch circuit further comprises an exhaust pipeline, and the exhaust pipeline is arranged on one side of the branch circuit pipe body.
7. The use method of the intelligent slurry pump protection device for the shield machine adopts the intelligent slurry pump protection device for the shield machine, which is characterized in that the intelligent slurry pump protection device for the shield machine is provided with two branches which are divided into a first branch and a second branch,
comprising the following steps: s101, in the shield construction process, a control system opens an inlet gate and an outlet gate of a first branch, closes an inlet gate and an outlet gate of a second branch, and closes bottom gates of the first branch and the second branch;
s102, when the values detected by the pressure sensor and the flow sensor of the first branch are larger than the program set values, the control system automatically opens the inlet gate and the outlet gate of the second branch, closes the inlet gate and the outlet gate of the first branch, opens the first bottom gate of the first branch, starts the crushing device of the first branch, breaks large stones in a pipeline into small stones, and closes the crushing device of the first branch;
s103, when the values detected by the pressure sensor and the flow sensor of the second branch are larger than the program set values, the control system automatically opens the inlet gate and the outlet gate of the first branch, closes the inlet gate and the outlet gate of the second branch, opens the bottom gate of the second branch, starts the crushing device II of the second branch, crushes large stones in the pipeline into small stones, and closes the crushing device II;
s104, automatically circulating S101-S103 under the control of the control system, and realizing automatic switching of the first branch and the second branch and stone crushing.
8. The application of the intelligent slurry pump protection device for the shield machine is characterized in that the intelligent slurry pump protection device for the shield machine is applied to a liquid pump with solid impurities at a feed inlet, wherein the intelligent slurry pump protection device for the shield machine is adopted by the intelligent slurry pump protection device for the shield machine according to any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311087687.2A CN117287211B (en) | 2023-08-28 | 2023-08-28 | Intelligent slurry pump protection device for shield machine, use method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311087687.2A CN117287211B (en) | 2023-08-28 | 2023-08-28 | Intelligent slurry pump protection device for shield machine, use method and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117287211A true CN117287211A (en) | 2023-12-26 |
| CN117287211B CN117287211B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311087687.2A Active CN117287211B (en) | 2023-08-28 | 2023-08-28 | Intelligent slurry pump protection device for shield machine, use method and application |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202533764U (en) * | 2012-02-10 | 2012-11-14 | 徐州锐马重工机械有限公司 | State monitoring system of spraying device of road cold reclaimer |
| CN205154169U (en) * | 2015-11-11 | 2016-04-13 | 中国铁建重工集团有限公司 | Slurry shield machine with mud circulation system |
| CN206309400U (en) * | 2016-12-28 | 2017-07-07 | 山东科技大学 | A kind of slurry shield anti-clogging muddy water pump |
| CN111946361A (en) * | 2020-09-17 | 2020-11-17 | 中铁建华南建设有限公司 | Broken circulation system of collection stone of direct control formula slurry shield machine |
| CN214060289U (en) * | 2020-09-04 | 2021-08-27 | 中交天和机械设备制造有限公司 | Special slurry treatment device for density-adjustable shield tunneling machine |
-
2023
- 2023-08-28 CN CN202311087687.2A patent/CN117287211B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202533764U (en) * | 2012-02-10 | 2012-11-14 | 徐州锐马重工机械有限公司 | State monitoring system of spraying device of road cold reclaimer |
| CN205154169U (en) * | 2015-11-11 | 2016-04-13 | 中国铁建重工集团有限公司 | Slurry shield machine with mud circulation system |
| CN206309400U (en) * | 2016-12-28 | 2017-07-07 | 山东科技大学 | A kind of slurry shield anti-clogging muddy water pump |
| CN214060289U (en) * | 2020-09-04 | 2021-08-27 | 中交天和机械设备制造有限公司 | Special slurry treatment device for density-adjustable shield tunneling machine |
| CN111946361A (en) * | 2020-09-17 | 2020-11-17 | 中铁建华南建设有限公司 | Broken circulation system of collection stone of direct control formula slurry shield machine |
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| Publication number | Publication date |
|---|---|
| CN117287211B (en) | 2024-04-16 |
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