CN116291535A - Full section excavation push pipe device of single-blade dish - Google Patents
Full section excavation push pipe device of single-blade dish Download PDFInfo
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- CN116291535A CN116291535A CN202310126457.6A CN202310126457A CN116291535A CN 116291535 A CN116291535 A CN 116291535A CN 202310126457 A CN202310126457 A CN 202310126457A CN 116291535 A CN116291535 A CN 116291535A
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- 238000009412 basement excavation Methods 0.000 title claims abstract description 43
- 239000002689 soil Substances 0.000 claims abstract description 85
- 238000007599 discharging Methods 0.000 claims description 41
- 238000005520 cutting process Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 16
- 238000005507 spraying Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000003628 erosive effect Effects 0.000 claims 1
- 230000000670 limiting effect Effects 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000005476 size effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- E21D9/10—Making by using boring or cutting machines
- E21D9/11—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
-
- 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
- E21D9/124—Helical conveying means therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- 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 discloses a single-cutter-disc full-section excavation pipe jacking device which comprises a workbench, a pushing sliding cylinder, a sliding table, a rotating motor, a rotating shaft, a supporting baffle, a guide pipe jacking head, a telescopic cutter and a spiral soil outlet. The full-section excavation of various pipe jacking sections under the condition of a single cutter disc can be realized by changing different guide top pipe heads under the constraint of the track at the inner side of the machine head; the operation is simple, and the adaptability is strong.
Description
Technical Field
The invention relates to the technical field of underground engineering technology, in particular to the technical field of a single-cutter-disc full-section excavation pipe jacking device.
Background
The pipe jacking method is a mechanized underground excavation construction method adopted when a tunnel or an underground pipeline passes through barriers such as railways, roads, rivers or building (construction), and the single jacking distance is generally smaller than 200 meters. In the early stage of pipe jacking development, the sections of the pipe jacking machine cutterhead with the round sections are high round, and full-section excavation of the cutterhead can be easily achieved. With the development of pipe jacking technology, the rectangular section structure is more beneficial to the utilization of underground space, so that the rectangular pipe jacking machine is gradually developed, namely, a pipe jacking machine and a pipe joint adopt rectangular structures.
The cutter head can not excavate the full section due to the rectangular-like and rectangular section, excavation dead zones exist at four corners, and jacking resistance can be greatly increased. Publication number CN 207609424U discloses a rectangular pipe jacking machine, as shown in fig. 15, 5 cutterheads are provided, including 1 main cutterhead and 4 small cutterheads, so as to improve the cutterhead excavation rate of the soil body with rectangular section.
In the aspect of research of a rectangular pipe-jacking model testing machine, publication number CN113310714A discloses a 5-cutter rectangular pipe-jacking model machine, as shown in FIG. 16, a pinion cutter is driven to rotate by a gear of a main cutter, so that the high excavation rate of the rectangular pipe-jacking model machine is realized.
In the model test, the size effect of the reduced scale model test aggravates the influence of the excavation blind area, so that the obtained test rule has larger difference with the actual situation. Meanwhile, the pipe jacking model machine is smaller in general size, and the model machine is complex in structure due to the mode of multiple cutterheads, so that the pipe jacking model machine is not beneficial to manufacture; mechanical failure is also liable to occur during operation. The shape and the size of the jacking pipe are usually limited by the test device, and when various jacking pipe tests are required to be repeated, the test equipment, the cutter head and the model box are required to be reprocessed, so that great resource waste can be caused; often, the laboratory sites are limited, and multiple sets of test devices are also disadvantageous for intensive utilization of laboratory space.
Disclosure of Invention
The invention aims to solve the problems in the prior art, provides a single-cutter-disc full-section excavation pipe jacking device, and solves the problems that a cutter disc cannot be excavated in a full-section manner due to the traditional rectangular-like and rectangular-section mode, excavation blind areas exist at four corners, and jacking resistance can be greatly increased.
In order to achieve the above purpose, the invention provides a single-cutter full-section excavation pipe jacking device, which comprises a workbench, a pushing sliding cylinder, a sliding table, a rotating motor, a rotating shaft, a supporting baffle, a guide pipe jacking head, a telescopic cutter and a spiral soil outlet, wherein the workbench is provided with the pushing sliding cylinder for driving the telescopic cutter to push along the excavating direction, the sliding table is fixedly arranged at the end part of a telescopic shaft of the pushing sliding cylinder, the rotating motor is fixedly arranged on the sliding table, at least 2 telescopic cutters for cutting soil and stretching along the inner diameter of the guide pipe jacking head are annularly arranged at the end part of the rotating shaft of the rotating motor, the rotating shaft penetrates through the supporting baffle, the guide pipe jacking head is fixedly sleeved on the supporting baffle, the telescopic cutter stretches and slides along the inner diameter of the guide pipe jacking head, the lower side of the supporting baffle is provided with a soil discharging hole, and the spiral soil outlet for discharging soil cut by the telescopic cutter is fixedly arranged at the side part of the soil discharging hole.
Preferably, the inner diameter of the cross section of the guide top tube head is elliptical.
Preferably, the side part of the supporting baffle is provided with a water inlet hole, and the water inlet hole is connected with a water pipe for spraying water on soil to be cut.
Preferably, the rotary shaft end of the rotary motor is provided with 4 telescopic cutters in a ring shape, and the 4 telescopic cutters are arranged in a cross shape.
Preferably, the telescopic cutting knife comprises a sliding sleeve, a sliding rod, a guiding sliding mechanism, a knife body and a reset spring, wherein one end of the sliding sleeve is fixedly arranged on the rotating shaft, the other end of the sliding sleeve is provided with the sliding rod in an inserting mode, the sliding sleeve is internally provided with the reset spring for pushing the sliding rod upwards, the sliding sleeve and the side portion of the sliding rod are respectively provided with the knife body for cutting soil, the guiding sliding mechanism is arranged on the sliding rod, and the guiding sliding mechanism is in sliding fit on the inner wall of the guiding top tube head.
Preferably, the guiding sliding mechanism is a roller, and the roller is in rolling fit with the inner wall of the guiding pipe jacking head.
Preferably, the soil box for experimental soil excavation is arranged on the workbench in the sliding direction of the telescopic cutting knife, the soil box comprises a box body, filling soil and guide limiting fixing plates, the filling soil is filled in the box body, excavation holes are respectively formed in the front side and the rear side of the box body, the guide limiting fixing plates are fixed through screws in the excavation Kong Cebu, and guide limiting holes for the guide top tube heads to pass through in an anastomotic manner are formed in the guide limiting fixing plates.
Preferably, the device further comprises a top pipe joint, wherein the cross section of the top pipe joint is the same as the cross section of the guide top pipe head, and the top pipe joint is sleeved on the rotating shaft and connected with the top pipe joint.
Preferably, the sliding table comprises a pushing guide rail, a base plate, sliding blocks and a vertical plate, wherein the base plate is arranged on the pushing guide rail through the sliding blocks, and the vertical plate is arranged on the side portion of the base plate.
Preferably, the spiral unearthing device comprises a soil discharging screw sleeve, a soil discharging screw rod and a soil discharging motor, wherein one end of the soil discharging screw rod is fixedly arranged on a rotating shaft of the soil discharging motor, the other end of the soil discharging screw rod is inserted into the soil discharging screw sleeve, and the soil discharging screw sleeve is fixedly arranged on a soil discharging hole.
The invention has the beneficial effects that:
1. the telescopic cutter can be freely lengthened and shortened under the constraint of the track on the inner side of the machine head, and the full-section excavation of various pipe jacking sections under the condition of a single cutter disc can be realized by changing different guide top pipe heads.
2. The multifunctional model box and the pipe jacking mechanical device do not need to be replaced with a cutter head and a model box, and only the guide top pipe head and the pipe jacking pipe joint need to be replaced, so that tunnels with different sections can be excavated by switching the pipe jacking pipes with different sections, and the multifunctional model box and the pipe jacking mechanical device are simple to operate and high in adaptability.
Drawings
The above and other features, properties and advantages of the present invention will become more apparent from the following description of embodiments taken in conjunction with the accompanying drawings in which like reference characters designate like features throughout the drawings, and in which:
FIG. 1 is a schematic front view of a single-cutter full-section excavation pipe jacking device of the present invention;
FIG. 2 is a schematic view of a table;
FIG. 3 is a schematic view of a skid;
FIG. 4 is a schematic view of a guide push bench having a circular cross-section;
FIG. 5 is a schematic view of a guide push bench having a rectangular cross section;
FIG. 6 is a schematic illustration of the assembly of a pilot tip and a telescoping cutter;
FIG. 7 is a schematic illustration of the assembly of the pilot tip and the telescoping cutter;
FIG. 8 is a schematic front view of the telescopic cutter;
FIG. 9 is a right side schematic view of the telescopic cutter;
FIG. 10 is a schematic view of a screw ejector;
FIG. 11 is a schematic view of a soil box;
FIG. 12 is a schematic view of a rectangular inner bore of a cross section of a guide limit fixing plate;
FIG. 13 is a schematic view of a guide limit fixing plate with a circular inner hole in cross section;
FIG. 14 is a schematic view of an oval-shaped inner bore of a cross section of a guide limit fixing plate;
fig. 15 is a schematic view of prior art 1;
fig. 16 is a schematic diagram of prior art 2.
In the figure: 1-workbench, 1001-supporting leg, 1002-board seat, 2-pushing sliding cylinder, 3-sliding table, 31-pushing guide rail, 32-base plate, 33-sliding block, 34-vertical plate, 4-rotating motor, 5-rotating shaft, 6-supporting baffle, 7-guiding top tube head, 8-telescopic cutter, 81-sliding sleeve, 82-sliding rod, 83-guiding sliding mechanism, 84-cutter body, 85-reset spring, 9-spiral soil outlet, 91-discharging screw sleeve, 92-discharging screw rod, 93-discharging motor, 10-soil box, 1011-digging hole, 101-box body, 102-filling soil, 103-guiding limiting fixed plate and 11-top tube pipe joint.
Detailed Description
Referring to fig. 1, the invention relates to a single-cutter full-section excavation pipe jacking device, which comprises a workbench 1, a pushing sliding cylinder 2, a sliding table 3, a rotating motor 4, a rotating shaft 5, a supporting baffle 6, a guide pipe jacking head 7, a telescopic cutter 8 and a spiral soil outlet 9, wherein the pushing sliding cylinder 2 for driving the telescopic cutter 8 to push along the excavation direction is arranged on the workbench 1, the pushing sliding cylinder 2 can be a pushing sliding cylinder or a pushing sliding hydraulic cylinder, and is specifically selected according to the requirement, as long as the pushing sliding cylinder 8 can be pushed to slide along the set direction to excavate soil, the sliding table 3 is fixedly arranged at the telescopic shaft end part of the pushing sliding cylinder 2, the rotating motor 4 is fixedly arranged on the sliding table 3, at least 2 telescopic cutters 8 for cutting soil and telescoping along the inner diameter of the guide pipe jacking head 7 are annularly arranged at the rotating shaft 5 end part of the rotating motor 4, the rotating shaft 5 passes through the supporting baffle 6, the rotating shaft 5 can rotate relative to the supporting baffle 6, but can not slide relatively, namely, when the rotating shaft 5 moves along the excavating direction, the supporting baffle 6 can be driven to move along the excavating direction, the supporting baffle 6 is fixedly sleeved with a guiding top pipe head 7, wheels or rails can be arranged below the guiding top pipe head 7, the guiding top pipe head 7 moves along the set direction in an excavated tunnel, the telescopic cutter 8 slides in a telescopic manner along the inner diameter of the guiding top pipe head 7, under the limiting effect of the inner diameter of the guiding top pipe head 7, the telescopic cutter 8 is prolonged or compressed, the cross section shape of the tunnel excavated by the telescopic cutter 8 is similar to the cross section shape of the guiding top pipe head 7, the lower side of the supporting baffle 6 is provided with a soil discharging hole, the spiral soil outlet 9 used for discharging soil cut by the telescopic cutting knife 8 is fixedly arranged on the side part of the soil discharging hole, a large amount of soil can be cut in the excavating process of the telescopic cutting knife 8, and the soil is removed through the spiral soil outlet 9, so that the trafficability of a tunnel is maintained.
As shown in fig. 4-7, the inner diameter of the cross section of the guide top tube head 7 is elliptical, the inner diameter of the cross section of the guide top tube head 7 is specifically selected and matched according to the requirement, and the cross section of the guide top tube head 7 can also be square with four smooth corners or round, and the telescopic cutting knife 8 stretches and contracts under the guiding action of the inner diameter of the guide top tube head 7 to cut a tunnel with the same shape as the inner diameter of the guide top tube head 7. As shown in fig. 7, the side portion of the supporting baffle 6 is provided with a water inlet hole, the water inlet hole is connected with a water pipe for spraying water on the soil to be cut, and the telescopic cutter 8 can be cooled by a certain amount of water through water inlet Kong Penru. As shown in fig. 6 and 7, 4 expansion cutters 8 are annularly disposed at the end of the rotation shaft 5 of the rotation motor 4, and the 4 expansion cutters 8 are arrayed in a cross shape.
In this embodiment, as shown in fig. 6-9, the telescopic cutter 8 includes a sliding sleeve 81, a sliding rod 82, a guiding sliding mechanism 83, a cutter body 84 and a return spring 85, one end of the sliding sleeve 81 is fixedly arranged on the rotating shaft 5, the other end of the sliding sleeve is inserted and provided with the sliding rod 82, the sliding sleeve 81 is internally provided with the return spring 85 for pushing the sliding rod 82 upwards, the sliding sleeve 81 and the side part of the sliding rod 82 are respectively provided with the cutter body 84 for cutting soil, the sliding rod 82 is provided with the guiding sliding mechanism 83, the guiding sliding mechanism 83 slides and is attached to the inner wall of the guiding top tube head 7, the telescopic cutter 8 is driven to rotate along with the rotating shaft 5, soil is cut through the cutter body 84 on the telescopic cutter 8, the guiding sliding mechanism 83 slides or rolls along the inner wall of the guiding top tube head 7, meanwhile, the guiding sliding rod 82 is driven to stretch in the sliding sleeve 81 through the guiding sliding mechanism 83, and the guiding sliding mechanism 83 is always kept attached to the inner wall of the guiding top tube head 7 through the elasticity of the return spring 85. As shown in fig. 8 and 9, the guiding sliding mechanism 83 is a roller, the roller rolls and fits on the inner wall of the guiding top tube head 7, the telescopic cutter 8 is driven to rotate along with the rotating shaft 5, soil is cut by the cutter body 84 on the telescopic cutter 8, the roller rolls along the inner wall of the guiding top tube head 7, and meanwhile, the sliding rod 82 is driven to stretch in the sliding sleeve 81 by the roller. As shown in fig. 1 and fig. 11-fig. 14, the soil box 10 for experimental soil excavation is arranged on the workbench 1 in the sliding direction of the telescopic cutter 8, the soil box 10 comprises a box body 101, filling soil 102 and a guiding limit fixing plate 103, the filling soil 102 is filled in the box body 101, excavation holes 1011 are respectively formed in the front side and the rear side of the box body 101, the guiding limit fixing plate 103 is fixed on the side of the excavation holes 1011 through screws, guiding limit holes for the matching passage of the guiding top tube heads 7 are formed in the guiding limit fixing plate 103, the guiding top tube heads 7 can pass through the guiding limit holes by enabling the guiding limit holes to be similar to the outer contour of the cross section of the guiding top tube heads 7, and the filling soil 102 in the box body 101 is prevented from overflowing from gaps between the guiding limit holes and the guiding top tube heads 7.
In this embodiment, as shown in fig. 1, the device further includes a pipe pushing pipe joint 11, the cross section of the pipe pushing pipe joint 11 is the same as the cross section of the guiding pipe pushing pipe head 7, the pipe pushing pipe joint 11 is sleeved on the rotating shaft 5 and connected with the pipe pushing pipe joint 11, and the excavated tunnel can be supported by the pipe pushing pipe joint 11, so as to prevent collapse.
As shown in fig. 3, the sliding table 3 includes a pushing rail 31, a base plate 32, a sliding block 33 and a vertical plate 34, the base plate 32 is disposed on the pushing rail 31 through the sliding block 33, the vertical plate 34 is disposed on the side portion of the base plate 32, and is connected with a telescopic shaft of the pushing sliding cylinder 2 through the vertical plate 34, and the pushing sliding cylinder 2 drives the vertical plate 34 to move, so as to finally drive the base plate 32 and the sliding block 33 to slide on the pushing rail 31. As shown in fig. 10, the spiral soil outlet 9 comprises a soil discharging screw sleeve 91, a soil discharging screw 92 and a soil discharging motor 93, one end of the soil discharging screw 92 is fixedly arranged on a rotating shaft 5 of the soil discharging motor 93, the other end of the soil discharging screw 92 is inserted into the soil discharging screw sleeve 91, the soil discharging screw sleeve 91 is fixedly arranged on a soil discharging hole, the soil discharging screw 92 is driven to rotate by the soil discharging motor 93, soil entering the soil discharging screw sleeve 91 from one end is discharged from the other end by the soil discharging screw 92, and the purpose of removing soil generated by excavation is achieved.
In this embodiment, as shown in fig. 2, the workbench 1 includes a supporting leg 1001 and a board seat 1002, the supporting leg 1001 is fixedly arranged at the lower part of the board seat 1002, and the board seat 1002 is supported by the supporting leg 1001, so that the board seat 1002 is kept horizontal.
The working process of the invention comprises the following steps:
in the working process of the single-cutter full-section excavation pipe jacking device, a manufactured guide top pipe head 7, a pipe jacking pipe joint 11 and the like are installed in place, a pushing sliding cylinder 2 is used for driving a sliding table 3 to move along the excavation direction, a rotating motor 4 is used for driving a telescopic cutter 8 to rotate, soil is cut through a cutter body 84 on the telescopic cutter 8, the telescopic cutter 8 is prolonged or compressed under the limiting effect of the inner diameter of the guide top pipe head 7, the cross section shape of a tunnel excavated through the telescopic cutter 8 is similar to the cross section shape of the guide top pipe head 7, the cut soil is discharged out of the tunnel through a spiral soil discharger 9, and in the excavation process, the temperature of the telescopic cutter 8 is reduced through water spraying through a water inlet hole arranged at the side part of a supporting baffle 6, and meanwhile the soil is easier to discharge.
According to the single-cutter full-section excavating pipe jacking device, through the combined application of the cross-shaped telescopic cutter 8 and the customized guide pipe jacking head 7, full-section excavating can be carried out on various pipe jacking section shapes by one single cutter, the influence of rectangular and rectangular-like pipe jacking excavation blind areas on model test results can be avoided, and the device is simple in structure. The multifunctional pipe-jacking model mechanical device can realize the simulation of various pipe jacking such as soil pressure balance and mud water balance by one set of equipment under the condition of using the same cutter head, can also realize the excavation of tunnels with various section shapes under the condition of only replacing the guide pipe-jacking head 7, the pipe-jacking pipe joint 11 and the guide limiting fixed plate 103, has multiple functions, can reduce repeated purchasing of similar equipment, saves scientific research funds, occupies less land, and is beneficial to relieving the problems of shortage of places in laboratories of scientific research institutions such as universities, research institutions and the like.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.
Claims (10)
1. The utility model provides a full section excavation push pipe device of single sword dish which characterized in that: including workstation (1), top pushing and sliding cylinder (2), sliding table (3), rotating electrical machines (4), rotation axis (5), support baffle (6), direction top tube head (7), flexible cutting knife (8) and spiral unearthing device (9), be provided with on workstation (1) and be used for driving flexible cutting knife (8) along the thrust pushing and sliding cylinder (2) of direction of digging, the telescopic shaft tip of pushing and sliding cylinder (2) has set firmly sliding table (3), rotating electrical machines (4) have set firmly on sliding table (3), rotating electrical machines (4) rotation axis (5) tip be the ring-shaped be provided with at least 2 be used for cutting earth and along flexible cutting knife (8) of direction top tube head (7) internal diameter, rotation axis (5) pass support baffle (6), fixed cover has direction top tube head (7) on support baffle (6), flexible cutting knife (8) slide along direction top (7) internal diameter, the flexible play of spiral erosion cutting knife (9) of support baffle (6) downside, the soil discharge hole lateral part has set firmly and is used for discharging flexible cutting knife (8).
2. The single-blade full-section excavation pipe jacking device of claim 1, wherein: the inner diameter of the cross section of the guide top tube head (7) is elliptical.
3. The single-blade full-section excavation pipe jacking device of claim 1, wherein: the side part of the supporting baffle plate (6) is provided with a water inlet hole, and the water inlet hole is connected with a water pipe for spraying water on soil to be cut.
4. The single-blade full-section excavation pipe jacking device of claim 1, wherein: 4 telescopic cutters (8) are annularly arranged at the end part of a rotating shaft (5) of the rotating motor (4), and the 4 telescopic cutters (8) are arranged in a cross shape.
5. A single-blade full face excavation jacking apparatus as claimed in any one of claims 1 to 4, wherein: the telescopic cutting knife (8) comprises a sliding sleeve (81), a sliding rod (82), a guiding sliding mechanism (83), a knife body (84) and a reset spring (85), one end of the sliding sleeve (81) is fixedly arranged on a rotating shaft (5), the other end of the sliding sleeve is inserted and provided with the sliding rod (82), the sliding sleeve (81) is internally provided with the reset spring (85) for pushing the sliding rod (82) upwards, the sliding sleeve (81) and the side part of the sliding rod (82) are respectively provided with the knife body (84) for cutting soil, the sliding rod (82) is provided with the guiding sliding mechanism (83), and the guiding sliding mechanism (83) is in sliding fit with the inner wall of the guiding top tube head (7).
6. The single-blade full-section excavation pipe jacking device of claim 5, wherein: the guide sliding mechanism (83) is a roller, and the roller is in rolling fit with the inner wall of the guide top tube head (7).
7. The single-blade full-section excavation pipe jacking device of claim 1, wherein: soil box (10) that is provided with experiment excavation earth on flexible cutting knife (8) slip direction on workstation (1), soil box (10) are including box (101), filling soil (102) and direction spacing fixed plate (103), the intussuseption of box (101) is filled with filling soil (102), both sides are provided with excavation hole (1011) respectively around box (101), excavation hole (1011) lateral part is provided with direction spacing fixed plate (103) through the fix with screw, be provided with the direction spacing hole that supplies direction top tube head (7) to coincide to pass through on direction spacing fixed plate (103).
8. The single-blade full-section excavation pipe jacking device of claim 1, wherein: the novel pipe jacking device is characterized by further comprising a pipe jacking pipe joint (11), wherein the cross section of the pipe jacking pipe joint (11) is the same as the cross section of the guide pipe jacking head (7), and the pipe jacking pipe joint (11) is sleeved on the rotating shaft (5) and connected with the pipe jacking pipe joint (11).
9. The single-blade full-section excavation pipe jacking device of claim 1, wherein: the sliding table (3) comprises a pushing guide rail (31), a base plate (32), sliding blocks (33) and a vertical plate (34), wherein the base plate (32) is arranged on the pushing guide rail (31) through the sliding blocks (33), and the vertical plate (34) is arranged on the side portion of the base plate (32).
10. The single-blade full-section excavation pipe jacking device of claim 1, wherein: the spiral unearthing device (9) comprises a soil discharging screw sleeve (91), a soil discharging screw rod (92) and a soil discharging motor (93), one end of the soil discharging screw rod (92) is fixedly arranged on a rotating shaft (5) of the soil discharging motor (93), the other end of the soil discharging screw rod (92) is inserted into the soil discharging screw sleeve (91), and the soil discharging screw sleeve (91) is fixedly arranged on a soil discharging hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310126457.6A CN116291535A (en) | 2023-02-08 | 2023-02-08 | Full section excavation push pipe device of single-blade dish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310126457.6A CN116291535A (en) | 2023-02-08 | 2023-02-08 | Full section excavation push pipe device of single-blade dish |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116291535A true CN116291535A (en) | 2023-06-23 |
Family
ID=86795234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310126457.6A Pending CN116291535A (en) | 2023-02-08 | 2023-02-08 | Full section excavation push pipe device of single-blade dish |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116291535A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117169465A (en) * | 2023-09-06 | 2023-12-05 | 中国矿业大学 | Test device and method for coal-penetrating tunnel tunneling induced coal and gas outburst |
-
2023
- 2023-02-08 CN CN202310126457.6A patent/CN116291535A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117169465A (en) * | 2023-09-06 | 2023-12-05 | 中国矿业大学 | Test device and method for coal-penetrating tunnel tunneling induced coal and gas outburst |
| CN117169465B (en) * | 2023-09-06 | 2024-05-14 | 中国矿业大学 | Test device and method for coal-penetrating tunnel tunneling induced coal and gas outburst |
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