CN220151356U - Mud-water balance rock push bench - Google Patents
Mud-water balance rock push bench Download PDFInfo
- Publication number
- CN220151356U CN220151356U CN202321694199.3U CN202321694199U CN220151356U CN 220151356 U CN220151356 U CN 220151356U CN 202321694199 U CN202321694199 U CN 202321694199U CN 220151356 U CN220151356 U CN 220151356U
- Authority
- CN
- China
- Prior art keywords
- water
- pressure water
- cutters
- water supply
- supply pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 211
- 239000011435 rock Substances 0.000 title claims abstract description 43
- 238000005507 spraying Methods 0.000 claims abstract description 5
- 239000011148 porous material Substances 0.000 claims description 13
- 239000002893 slag Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims 5
- 239000002689 soil Substances 0.000 abstract description 9
- 239000002131 composite material Substances 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 6
- 239000004927 clay Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000004575 stone Substances 0.000 description 4
- 230000005641 tunneling Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model provides a mud-water balance rock pipe jacking machine, wherein one surface of a cutter disc facing to the outside of a shell is used for jacking, a main shaft drives the cutter disc to rotate, two groups of cutters are arranged, two groups of cutters are left empty to form two mud inlets communicated with the inside of the shell, the pipe jacking machine is also provided with a high-pressure water device, and the high-pressure water device comprises an external water supply pipeline system, an internal water supply pipeline system and a high-pressure water nozzle; a plurality of high-pressure water nozzles are arranged on one surface of the cutterhead facing the outside of the shell and positioned at the periphery of each mud inlet, and are distributed at intervals around the center of the mud inlet, and the spraying direction faces the center of the mud inlet and is inclined outwards in the jacking direction; the external water supply pipeline system is used for supplying water for the internal water supply pipeline system, and the internal water supply pipeline system is used for supplying water for each high-pressure water nozzle. The utility model can be used for not only mud soil layers but also rock layers, is suitable for jacking construction of complex composite soil layers, and has obviously improved efficiency compared with a common rock machine.
Description
Technical Field
The utility model relates to a mud-water balance rock push bench.
Background
The push bench is widely applied to underground pipeline laying as tunneling equipment. The non-excavation technology can solve the problems of building damage, road traffic jam and the like possibly caused in the pipeline construction process, and has obvious advantages in the aspects of stabilizing soil layers and protecting environment.
When the section of the whole rock jacking pipe is jacked in, when the rock stratum strength is higher, a rock machine is required to be adopted for operation during construction, in the construction process of rock geological jacking pipe, the cutter head of the existing pipe jacking machine is mainly utilized for operation, rock is constructed through a hob, the generated load is utilized for breaking the rock, the working principle is that the load exceeding the bearing capacity of the rock is applied to the surface of the rock, and the pipe jacking construction is carried out after the rock is broken. But the existing rock push bench has single function. For example, a rock push bench cannot be used for operations on a clay layer, and a push bench that can be used for a clay layer cannot be used for a rock layer. The rock push bench has only a pure cutting function, and the progress can only be calculated in centimeters. The common rock machine has the problems of high cost, low efficiency, slow progress and the like when being used for operation.
Disclosure of Invention
The utility model solves the technical problems, and therefore provides the mud-water balance rock pipe pushing machine which can realize 'one machine is two-purpose', can be used for a mud layer and a rock layer, is suitable for jacking construction of a complex composite soil layer, can greatly improve jacking speed, and has obviously improved efficiency compared with a common rock machine.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a balanced rock push bench of muddy water, is driven by driving system, sets up in the push bench casing around the main shaft that the axis can turn around centering, and the coaxial fixed connection of toper adapter sleeve and blade disc is passed through to the one end towards the blade disc, the blade disc is hollow frame structure, and the one side in the casing is by the toper adapter sleeve is through many supporting legs fixed stay, and the one side outside the casing is used for jacking to be equipped with and use the quotation central line to be the two sets of cutters of symmetric distribution as the symmetry center, leave the space between two sets of cutters, form two communicating mud inlets with the casing inside, its structural feature is:
the high-pressure water device comprises an external water supply pipeline system, an internal water supply pipeline system and a high-pressure water nozzle;
a plurality of high-pressure water nozzles are arranged on one surface of the cutterhead facing the outside of the shell and positioned at the periphery of each mud inlet, the high-pressure water nozzles are distributed at intervals around the center of the mud inlet, and the spraying direction faces the center of the mud inlet and is inclined outwards in the jacking direction;
the external water supply pipeline system is used for supplying water for the internal water supply pipeline system, and is provided with a clear water tank and a high-pressure water pump which are arranged outside the push bench, wherein the clear water tank is used for storing water, and water in the clear water tank is pumped into the internal water supply pipeline system through an external water delivery pipe by the high-pressure water pump;
the internal water supply pipeline system is used for supplying water to each high-pressure water nozzle, and the water is supplied to the high-pressure water nozzles through the internal water delivery pipe.
The utility model is also characterized in that:
at each mud inlet, an included angle of 90-100 degrees is formed between the injection direction of the high-pressure water nozzles and the cutter head surface.
Three high-pressure water nozzles are arranged at each mud inlet and distributed on the periphery of the mud inlet in a triangular shape and positioned at each vertex of the triangle.
The external water supply pipeline system comprises a clear water tank, a high-pressure water pump, an external water delivery pipe and an external return pipeline, wherein a return port is arranged at the top of the clear water tank, a water outlet is arranged at the lower end part of the side wall, the water outlet is connected with an inlet of the high-pressure water pump, an outlet of the high-pressure water pump is connected with the external water delivery pipe, high-pressure water is pumped into the internal water supply pipeline system through the external water delivery pipe, one end of the external return pipeline is connected to the return port of the clear water tank, the other end of the external return pipeline is connected with the external water delivery pipe through a tee joint, a return switch valve is arranged at a position close to the tee joint, and the external water delivery pipe is bounded by the tee joint, a pressure gauge is arranged at the upstream and a water supply switch valve is arranged at the downstream.
The internal water supply pipeline system comprises an internal water supply channel and the internal water delivery pipe; a pore canal is formed in the main shaft along the axial direction in the middle, the conical connecting sleeve is hollow and communicated with the inside of the supporting leg, and the conical connecting sleeve is sleeved outside the main shaft; the spindle is provided with a plurality of radial through holes which are communicated with a pore canal and an inner cavity of the conical connecting sleeve on a shaft section positioned in the conical connecting sleeve, the pore canal is communicated with one side of the power system and is connected with the external water delivery pipe through a rotary joint, and the pore canal, the plurality of radial through holes, the inner cavity of the conical connecting sleeve and the inner cavity of the supporting leg jointly form the internal water supply channel; the inner water delivery pipes are correspondingly formed by the distribution of the number and the positions of the high-pressure water nozzles at the periphery of the mud inlet, and are respectively connected with the high-pressure water nozzles one by one through the plurality of water delivery branch pipes.
Each cutter group comprises four hob cutters, two slag collecting cutters and two scraper cutters on one surface of the cutter disc facing the outside of the shell; each group of cutters comprises two first cutters arranged at the outer edge of the cutter head and two second cutters which are arranged along the X-direction central line of the cutter head and arranged at one side of the Y-direction central line of the cutter head, wherein in the two groups of cutters, four first cutters are in X-direction cross distribution, and four second cutters are respectively arranged at two sides of the Y-direction central line and are distributed at intervals; the first knife rest of the four first hob of the two sets of knives is provided with a slag collecting knife at the position close to the outer edge of the cutterhead on the opposite side, and a scraper is arranged at the position close to the second knife rest for erecting the second hob.
The power system is driven by a motor, is decelerated by a decelerator, and drives the cutterhead to rotate by a main shaft.
Compared with the prior art, the utility model has the beneficial effects that:
1. in the process of jacking hard rock, high-pressure water is sprayed to the working face through a high-pressure water nozzle on the cutter head, so that the working temperature of the hob can be reduced, stone powder and broken stone on the working face can be timely flushed away, secondary rolling is reduced, smooth jacking operation of the pipe jacking machine is ensured, the service life of the hob is prolonged, and the tunneling speed of rock jacking is improved;
2. in the jacking process, if the high-pressure water is sprayed to the tunnel face through the high-pressure water nozzle when the composite soil layers such as yellow clay are encountered, the fluidity of the yellow clay under the cutting of the cutter head can be increased, the yellow clay can conveniently and rapidly enter the mud water bin to be discharged to the ground mud, the blockage at the mud inlet is avoided, the jacking speed is greatly improved, and the jacking applicability of the head of the pipe jacking machine on the complex composite soil layers is improved.
Drawings
FIG. 1 is a schematic view of the internal structure of a push bench;
FIG. 2 is a schematic view of the structure of the face of the cutterhead with the cutters;
FIG. 3 is a schematic view of the direction of injection of the high pressure water jet at the mud inlet;
fig. 4 is a schematic structural view of an external water supply line system.
In the figure: 1 high pressure water nozzle; 2 a clear water tank; 3, a high-pressure water pump; 4, an external water delivery pipe; 5, a pressure gauge; 6, switching the valve for water supply; 7 an external return line; 8, a reflux switch valve; 9 tee joint; 10 pore canals; 11 radial through holes; 12 a rotary joint; 13 inner water delivery pipe; 14 internal water delivery branch pipes; 15 shells; a 16 cutterhead; 17 mud inlet; 18 a first hob; a second hob 19; 20, collecting slag knife; a scraper 21; 22 a first tool holder; 23 a second tool holder; 24 power system; 25 main shaft; 26 conical connecting sleeves; 27 supporting legs; 28 secondary crushing devices; 29 mud water bins; 30 pulp feeding and discharging system.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the existing push bench, a main shaft 25 which is driven by a power system 24 and can rotate around a central axis is centrally arranged in a push bench shell 15, one end facing a cutter disc 16 is fixedly connected with the cutter disc 16 coaxially through a conical connecting sleeve 26, the cutter disc 16 is of a hollow frame structure, one surface facing the inside of the shell 15 is fixedly supported by the conical connecting sleeve 26 through a plurality of supporting legs 27, one surface facing the outside of the shell 15 is used for jacking, two groups of cutters which are symmetrically distributed by taking the central line of the disc surface as a symmetrical center are arranged, and two groups of cutters are left empty to form two mud inlets 17 which are communicated with the inside of the shell 15.
Based on the above existing structure, referring to fig. 1 to 4, the muddy water balance rock pipe jacking machine of the present embodiment is further provided with a high-pressure water device on this basis, the high-pressure water device includes an external water supply pipeline system, an internal water supply pipeline system, and a high-pressure water nozzle 1;
a plurality of high-pressure water nozzles 1 are arranged on one surface of the cutterhead 16 facing the outside of the shell 15 and positioned at the periphery of each mud inlet 17, the high-pressure water nozzles 1 are distributed at intervals around the center of the mud inlet 17, the spraying direction faces the center of the mud inlet 17 and is inclined outwards towards the jacking direction, as shown in fig. 3, fig. 3 is used for showing the spraying direction of the high-pressure water nozzles 1, only the relative positions of the high-pressure water nozzles 1 and the mud inlet 17 are shown in the drawing, and the specific structure of the cutterhead 16 is shown in fig. 1 and 2;
the external water supply pipeline system is used for supplying water for the internal water supply pipeline system, and is provided with a clear water tank 2 and a high-pressure water pump 3 which are arranged outside the push bench, wherein the clear water tank 2 is used for storing water, and water in the clear water tank 2 is pumped into the internal water supply pipeline system through the high-pressure water pump 3 and an external water pipe 4;
the internal water supply pipe system is used for supplying water to each high-pressure water nozzle 1, and supplying water to the high-pressure water nozzles 1 through the internal water delivery pipe 13.
In a specific implementation, the corresponding structure arrangement also includes:
at each mud inlet 17, an included angle of 90 degrees to 100 degrees is formed between the injection direction of the plurality of high-pressure water nozzles 1 and the surface of the cutterhead 16.
Three high-pressure water nozzles 1 are arranged at each mud inlet 17, distributed on the periphery of the mud inlet 17 in a triangular shape and positioned at each vertex of the triangle.
The external water supply pipeline system comprises a clear water tank 2, a high-pressure water pump 3, an external water pipe 4 and an external return pipeline 7, wherein a return port is formed in the top of the clear water tank 2, a water outlet is formed in the lower end portion of the side wall, the water outlet is connected with the inlet of the high-pressure water pump 3, the outlet of the high-pressure water pump 3 is connected with the external water pipe 4, high-pressure water is pumped into the internal water supply pipeline system through the external water pipe 4, one end of the external return pipeline 7 is connected to the return port of the clear water tank 2, the other end of the external return pipeline is connected with the external water pipe 4 through a tee joint 9, a return switch valve 8 is arranged at the position close to the tee joint 9, the external water pipe 4 is bounded by the tee joint 9, a pressure gauge 5 is arranged at the upstream, and a water supply switch valve 6 is arranged at the downstream.
The internal water supply pipe system comprises an internal water supply channel and an internal water delivery pipe 13; the main shaft 25 is internally provided with a pore canal 10 along the axial center, a conical connecting sleeve 26 is hollow and communicated with the inside of a supporting leg 27, and the conical connecting sleeve 26 is sleeved outside the main shaft 25; the spindle 25 is provided with a plurality of radial through holes 11 which are communicated with the pore canal 10 and the inner cavity of the conical connecting sleeve 26 on the shaft section positioned in the conical connecting sleeve 26, the pore canal 10 is communicated with one side of the power system 24 and is connected with the external water delivery pipe 4 through the rotary joint 12, and an internal water supply channel is formed by the pore canal 10, the plurality of radial through holes 11, the inner cavity of the conical connecting sleeve 26 and the inner cavity of the supporting leg 27; corresponding to each mud inlet 17, the support leg 27 on the side of the mud inlet 17 is connected with an inner water pipe 13 communicated with the inner cavity of the support leg 27 at one end adjacent to the cutter head 16, the inner water pipe 13 is correspondingly formed into a plurality of inner water delivery branch pipes 14 according to the number and the position distribution of the high-pressure water nozzles 1 on the periphery of the mud inlet 17, and the inner water delivery branch pipes are respectively connected with the high-pressure water nozzles 1 one by one. The flow direction of the fluid flowing into the inner water conduit 13 in the inner water supply channel is shown by arrows in fig. 1.
Each group of cutters comprises four hob cutters, two slag collecting cutters 20 and two scraper cutters 21 on the surface of the cutter disc 16 facing the outside of the shell 15; each group of cutters comprises two first hob 18 arranged at the outer edge of the cutter disc 16 and two second hob 19 which are arranged along the central line of the cutter disc 16X and are arranged at one side of the central line of the cutter disc 16Y, wherein in the two groups of cutters, the four first hob 18 are in X-shaped cross distribution, and the four second hob 19 are respectively arranged at two sides of the central line of the Y direction and are distributed at intervals; the first cutter frame 22 of the four first cutter cutters 18 of the two sets of cutters is provided with a slag collecting cutter 20 at a position close to the outer edge of the cutter disc 16 on the opposite side, and a scraper 21 is respectively arranged at a position close to the second cutter frame 23 for erecting the second cutter 19.
Each high pressure water jet 1 is mounted in close proximity and may be mounted on an adjacent knife holder on the cutterhead 16 or on the cutterhead 16.
The power system 24 is driven by a motor, the power output by the motor is decelerated by a gear reducer, a large gear wheel shaft of the gear reducer is taken as a power output shaft, the power output shaft is coaxially connected with the main shaft 25, and the main shaft 25 drives the cutterhead 16 to rotate.
When the push bench works:
the cutter head 16 rotates to cut rock and soil, the hob on the cutter head 16 is driven to rotate, the hob rotates along the circumferential direction around the center of the cutter head 16 under the action of main pushing force, rocks on a face are rolled, primary crushing is carried out on the rock mass on the face, the rocks after primary crushing enter a secondary crushing bin in the pipe jacking machine shell 15 through a mud inlet 17 on the cutter head 16, secondary crushing is carried out by a secondary crushing device 28, the rocks with the grain size smaller than 60mm are crushed into the rocks, and then enter a mud water bin 29 in the shell 15, and the rocks are discharged to a ground mud pool by a mud feeding and discharging system 30.
According to the embodiment, through improving the push bench, an external water supply pipeline system is arranged, and an internal water supply pipeline system is arranged in a shell 15 based on the existing structure of the push bench, so that water supply to high-pressure water nozzles 1 which are respectively arranged around the periphery of two mud inlets 17 is completed, each mud inlet 17 is provided with a high-pressure water nozzle 1 which is outwards biased towards the center of the mud inlet 17 and the jacking direction, and injection is carried out, and in the working process, the two functions are realized:
firstly, in the process of jacking hard rock, high-pressure water is sprayed to the face through a newly added high-pressure water nozzle 1 on a cutter head 16, so that the working temperature of a hob is reduced, stone powder and broken stone on the face can be timely flushed away, secondary rolling is reduced, smooth jacking operation of a pipe jacking machine is ensured, the service life of the hob is prolonged, and the tunneling speed of a rock jacking pipe is improved;
secondly, in the jacking process, if the high-pressure water is sprayed to the tunnel face through the high-pressure water nozzle 1 when the composite soil layers such as yellow clay are encountered, the fluidity of the yellow clay under the cutting of the cutter head 16 can be increased, the yellow clay can conveniently and rapidly enter the mud water bin 29 to be discharged to the ground mud, the blockage at the mud inlet 17 is avoided, the jacking speed is greatly improved, and the jacking applicability of the head of the push bench on the complex composite soil layers is improved.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The utility model provides a balanced rock push bench of muddy water, is driven by driving system, sets up in the push bench casing around the main shaft that the axis can turn around centering, and the coaxial fixed connection of conical connection cover and blade disc is passed through to the one end towards the blade disc, the blade disc is hollow frame structure, and the one side in the casing is by conical connection cover is through many supporting legs fixed support to the one side outside the casing is used for jacking to be equipped with and use the quotation central line to be two sets of cutters of symmetric distribution as the symmetry center, leave the space between two sets of cutters, form two and the inside communicating mud mouth of advance of casing, characterized by:
the high-pressure water device comprises an external water supply pipeline system, an internal water supply pipeline system and a high-pressure water nozzle;
a plurality of high-pressure water nozzles are arranged on one surface of the cutterhead facing the outside of the shell and positioned at the periphery of each mud inlet, the high-pressure water nozzles are distributed at intervals around the center of the mud inlet, and the spraying direction faces the center of the mud inlet and is inclined outwards in the jacking direction;
the external water supply pipeline system is used for supplying water for the internal water supply pipeline system, and is provided with a clear water tank and a high-pressure water pump which are arranged outside the push bench, wherein the clear water tank is used for storing water, and water in the clear water tank is pumped into the internal water supply pipeline system through an external water delivery pipe by the high-pressure water pump;
the internal water supply pipeline system is used for supplying water to each high-pressure water nozzle, and the water is supplied to the high-pressure water nozzles through the internal water delivery pipe.
2. The slurry balanced rock push bench according to claim 1, wherein: at each mud inlet, an included angle of 90-100 degrees is formed between the injection direction of the high-pressure water nozzles and the cutter head surface.
3. The mud-water balanced rock push bench according to claim 1 or 2, wherein: three high-pressure water nozzles are arranged at each mud inlet and distributed on the periphery of the mud inlet in a triangular shape and positioned at each vertex of the triangle.
4. The slurry balanced rock push bench according to claim 1, wherein: the external water supply pipeline system comprises a clear water tank, a high-pressure water pump, an external water delivery pipe and an external return pipeline, wherein a return port is arranged at the top of the clear water tank, a water outlet is arranged at the lower end part of the side wall, the water outlet is connected with an inlet of the high-pressure water pump, an outlet of the high-pressure water pump is connected with the external water delivery pipe, high-pressure water is pumped into the internal water supply pipeline system through the external water delivery pipe, one end of the external return pipeline is connected to the return port of the clear water tank, the other end of the external return pipeline is connected with the external water delivery pipe through a tee joint, a return switch valve is arranged at a position close to the tee joint, and the external water delivery pipe is bounded by the tee joint, a pressure gauge is arranged at the upstream and a water supply switch valve is arranged at the downstream.
5. The slurry balanced rock push bench according to claim 1, wherein: the internal water supply pipeline system comprises an internal water supply channel and the internal water delivery pipe; a pore canal is formed in the main shaft along the axial direction in the middle, the conical connecting sleeve is hollow and communicated with the inside of the supporting leg, and the conical connecting sleeve is sleeved outside the main shaft; the spindle is provided with a plurality of radial through holes which are communicated with a pore canal and an inner cavity of the conical connecting sleeve on a shaft section positioned in the conical connecting sleeve, the pore canal is communicated with one side of the power system and is connected with the external water delivery pipe through a rotary joint, and the pore canal, the plurality of radial through holes, the inner cavity of the conical connecting sleeve and the inner cavity of the supporting leg jointly form the internal water supply channel; the inner water delivery pipes are correspondingly formed by the distribution of the number and the positions of the high-pressure water nozzles at the periphery of the mud inlet, and are respectively connected with the high-pressure water nozzles one by one through the plurality of water delivery branch pipes.
6. The slurry balanced rock push bench according to claim 1, wherein: each cutter group comprises four hob cutters, two slag collecting cutters and two scraper cutters on one surface of the cutter disc facing the outside of the shell; each group of cutters comprises two first cutters arranged at the outer edge of the cutter head and two second cutters which are arranged along the X-direction central line of the cutter head and arranged at one side of the Y-direction central line of the cutter head, wherein in the two groups of cutters, four first cutters are in X-direction cross distribution, and four second cutters are respectively arranged at two sides of the Y-direction central line and are distributed at intervals; the first knife rest of the four first hob of the two sets of knives is provided with a slag collecting knife at the position close to the outer edge of the cutterhead on the opposite side, and a scraper is arranged at the position close to the second knife rest for erecting the second hob.
7. The slurry balanced rock push bench according to claim 1, wherein: the power system is driven by a motor, is decelerated by a decelerator, and drives the cutterhead to rotate by a main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321694199.3U CN220151356U (en) | 2023-06-30 | 2023-06-30 | Mud-water balance rock push bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321694199.3U CN220151356U (en) | 2023-06-30 | 2023-06-30 | Mud-water balance rock push bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220151356U true CN220151356U (en) | 2023-12-08 |
Family
ID=89010082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321694199.3U Active CN220151356U (en) | 2023-06-30 | 2023-06-30 | Mud-water balance rock push bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220151356U (en) |
-
2023
- 2023-06-30 CN CN202321694199.3U patent/CN220151356U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107916939A (en) | A kind of tunneling boring hard rock tunnel development machine cutterhead and driving method | |
| CN101586441B (en) | High-pressure water jet system and method for drilling and enlarging holes on coal bed | |
| CN202039854U (en) | Novel cutter disk of shield machine | |
| CN106065776A (en) | Ultrahigh pressure auxiliary rock TBM cutterhead | |
| CN207229109U (en) | A kind of large-diameter shield cutter disc system for hard-soft heterogeneous ground | |
| CN205823287U (en) | Ultrahigh pressure auxiliary rock TBM cutterhead | |
| CN106907158A (en) | A kind of super-large-diameter shield cutter disc system for hard-soft heterogeneous ground | |
| CN112576210A (en) | Clear hole device of drilling bored concrete pile | |
| CN112392500A (en) | High-strength rock crushing push bench for composite stratum | |
| CN207261013U (en) | For slurry-water balance type pipe jacking tunnelling machine under rock geology | |
| CN111622289B (en) | Hydraulic mechanical combined rock breaking milling wheel, double-wheel slot milling machine and slot forming construction method thereof | |
| CN206000539U (en) | Pipe jacking tunnelling machine cutterhead | |
| CN220151356U (en) | Mud-water balance rock push bench | |
| CN210195763U (en) | Long-distance rock pipe jacking machine | |
| CN107559019B (en) | Slurry balance type pipe jacking tunneling machine and pipe jacking tunneling method for rock geology | |
| CN111622288A (en) | Hydraulic mechanical combined rock breaking milling wheel and double-wheel slot milling machine | |
| CN110735640B (en) | Shaft heading machine and cutter head thereof | |
| CN211735338U (en) | Construction equipment for deep stirring by adopting curing material | |
| CN212670684U (en) | Hydraulic mechanical combined rock breaking milling wheel and double-wheel slot milling machine | |
| CN216973547U (en) | Powerful crushing reamer | |
| CN114893194A (en) | Round platform shape radials formula shield constructs blade disc | |
| CN209780893U (en) | Novel balanced jacking equipment of MJS push pipe construction muddy water | |
| CN206419023U (en) | A kind of push-bench front deck multi-angle high-pressure water injection device | |
| CN213836633U (en) | Multipurpose drill bit for underground grouting pile formation | |
| CN104763338A (en) | Hole expanding device, pull-back hole expanding assembly and hole expanding drilling method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |