CN204212700U - Drill bit in a kind of conduit jacking - Google Patents
Drill bit in a kind of conduit jacking Download PDFInfo
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- CN204212700U CN204212700U CN201420643602.4U CN201420643602U CN204212700U CN 204212700 U CN204212700 U CN 204212700U CN 201420643602 U CN201420643602 U CN 201420643602U CN 204212700 U CN204212700 U CN 204212700U
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Abstract
The utility model provides the drill bit in a kind of conduit jacking, belongs to pipe jacking equipment technical field.It solve the technical problems such as existing pipe push bit efficiency of construction is low.This drill bit comprises procapsid and the back casing of tubular, both are connected, there is between procapsid and the cavity of back casing dividing plate phase seal isolation, the rear end of back casing has opening, dividing plate offers water inlet and mud mouth respectively, water inlet is connected with the water inlet pipe being communicated with procapsid cavity, mud mouth is connected with the sludge out pipe being communicated with procapsid cavity; The front end of procapsid is provided with rotating disk, is radially provided with some anyhow staggered grizzly bars, rotating disk is also provided with a main drill bit outwardly and some secondary drill bits, is also provided with the power source that can drive dial rotation in the cavity of back casing in rotating disk.In the utility model, chisel edge face is by mutual crisscross formation filter net type structure of grid, has both avoided great Shi to enter drill bit, blocking sludge out pipe, ensures that again mud can enter in the cavity of procapsid fast.
Description
Technical field
The utility model belongs to building engineering equipment technical field, relates to a kind of conduit jacking, the drill bit particularly in a kind of conduit jacking.
Background technology
Jacking construction is a kind of non-excavating construction method, can not excavate or excavate less and realize piping laying, it passes through the top power by means of jacking device generation in working pit, overcomes the frictional force of pipeline and surrounding soil, pipeline is headed in soil by the gradient designed and direction, and the earthwork is transported.After one pipe joint completes and heads into soil layer, more lower second section pipe continues jacking, and its principle is by means of main top oil cylinder and the thrust such as pipeline enclosure, relay well, tool pipe or development machine is advanced to through soil layer in working pit always and receives in hole.Through development for many years, pipe-jacking technology has obtained practical engineering application in large quantities, and remains growth at a high speed, technically, pipe jacking equipment or construction technology has all been made significant headway; Push bench pipe mill device is the visual plant of jacking construction, and comprise hydraulic jack, hydraulic power unit, gripper shoe, push rod and pull head etc., the drill bit in conduit jacking is positioned at foremost, plays topmost driving effect under the drive of motor.
China's patent (notification number: CN 2447597Y, the day for announcing: September 12 calendar year 2001) disclose a kind of eccentric slurry pipe-jacking machine, in push-bench procapsid, eccentric cutterhead is set, eccentric cutterhead is fixed on blade row by cutter head, blade row is spoke-likely be welded in eccentric conical dish top, there is funnel-form Tu Cang procapsid front end, there is muddy water storehouse rear end, between Tu Cang and muddy water storehouse, screen is set, connect cutterhead before main shaft, rear auspicious connection reducer, correction oil cylinder four is installed between front and rear housings, the sharp gutter of water inlet is established in bottom, muddy water storehouse, and blade row establishes 2-4 to arrange each one of blade row.
Screen in the eccentric slurry pipe-jacking machine that above-mentioned patent provides, through hole offered by screen, and such structure can affect the speed that earth enters muddy water storehouse, thus affects whole pipe-jacking project progress.
Summary of the invention
The problems referred to above that the utility model exists for existing technology, provide the drill bit in a kind of conduit jacking, technical problem to be solved in the utility model is: how can discharge mud fast and improve push pipe efficiency.
The purpose of this utility model realizes by following technical proposal:
Drill bit in a kind of conduit jacking, it is characterized in that, described drill bit comprises the procapsid of tubular and the back casing of tubular, the rear end of described procapsid and the front end of back casing are connected, dividing plate is provided with between described procapsid and back casing, described dividing plate can by isolated for the cavity of the cavity of described procapsid and described back casing, the rear end of described back casing has opening, described dividing plate offers water inlet and mud mouth respectively, described water inlet is connected with the water inlet pipe being communicated with described procapsid cavity, described mud mouth is connected with the sludge out pipe being communicated with described procapsid cavity, the front end of described procapsid is provided with the rotating disk of ring-type, some anyhow staggered grizzly bars are radially provided with in described rotating disk, described rotating disk is also provided with a main drill bit outwardly and some secondary drill bits, in the cavity of described back casing, is also provided with the power source that can drive dial rotation.
Its principle is as follows: the drill bit in this conduit jacking is used for non-excavating construction buried pipeline, by means of the top power that jacking device produces in working pit, this drill bit heads in soil by the gradient designed and direction, the front end of procapsid is towards working face to be excavated, jacking device is while by the jacking of this drill bit, rotating disk rotates under the drive of power source, main drill bit before rotating disk and secondary drill bit impact earth, larger or solid earth is beaten loose, the earth of minor diameter enters the cavity of procapsid through grizzly bar, water inlet pipe can by water filling in water inlet forward housing hollow, the earth of excavation is become mud by current, and ejected by mud mouth and sludge out pipe.Water inlet pipe coordinates with sludge out pipe and plays lubrication, in time earth is become mud and is released by muddy water pipe, so greatly save manpower, improves push pipe efficiency; Chisel edge face is by mutual crisscross formation filter net type structure of grid, both great Shi had been avoided to enter drill bit, blocking sludge out pipe, ensure that again mud can enter in the cavity of procapsid fast, this is compared with through-hole structure of the prior art, the mud through hole that structure of grid is formed is many and intensive, the cutting of larger clod can be changed small size, accelerate the transfer efficiency of mud.
In drill bit in above-mentioned conduit jacking, described rotating disk is provided with rotating shaft, and described rotating shaft is passed described dividing plate and around own axis, can be provided with sealing ring between described rotating shaft and described dividing plate, described power source is motor, and described rotating shaft is connected with the output shaft of described motor.Motor drives dial rotation by rotating shaft, thus utilizes main drill bit and secondary drill bit to complete headwork and to break up earth, and then is transported by mud.
In drill bit in above-mentioned conduit jacking, described grizzly bar is some reinforcing bars, described reinforcement welding on described rotating disk, the crisscross formation filter screen of described reinforcing bar.Reinforcing bar is durable, and holding capacity is large.
In drill bit in above-mentioned conduit jacking, described main drill bit is positioned at the center of described rotating disk, and described secondary drill bit is distributed in described main drill bit surrounding.Main drill bit not only can tunnel effectively, can also play guide effect, and main drill bit and secondary drill bit cooperatively interact and can raise the efficiency.
In drill bit in above-mentioned conduit jacking, jacking mechanism is provided with in the cavity of described back casing, the back seat of described jacking mechanism is hinged on the inwall of described back casing, the piston rod of described jacking mechanism is hinged through described dividing plate and described rotating disk, is provided with sealing ring between described piston rod and described dividing plate.By the jacking rotating disk of jacking mechanism towards, thus can tunneling direction be adjusted.
Compared with prior art, the utility model utilizes water inlet pipe to coordinate with sludge out pipe and plays lubrication, in time earth is become mud and is released by muddy water pipe, so greatly save manpower, improves push pipe efficiency; Chisel edge face is by mutual crisscross formation filter net type structure of grid, both great Shi had been avoided to enter drill bit, blocking sludge out pipe, ensure that again mud can enter in the cavity of procapsid fast, this is compared with through-hole structure of the prior art, the mud through hole that structure of grid is formed is many and intensive, the cutting of larger clod can be changed small size, accelerate the transfer efficiency of mud.
Accompanying drawing explanation
Fig. 1 is the perspective view of this drill bit.
Fig. 2 be this drill bit face structural representation.
Fig. 3 is the sectional structure schematic diagram of A-A in Fig. 2.
In figure, 1, procapsid; 2, back casing; 3, dividing plate; 4, water inlet; 5, mud mouth; 6, water inlet pipe; 7, sludge out pipe; 8, rotating disk; 9, grizzly bar; 10, main drill bit; 11, secondary drill bit; 12, power source; 13, rotating shaft; 14, jacking mechanism.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1 to Figure 3, drill bit in this conduit jacking comprises the procapsid 1 of tubular and the back casing 2 of tubular, the rear end of procapsid 1 and the front end of back casing 2 are connected, there is between the cavity of procapsid 1 and the cavity of back casing 2 dividing plate 3 phase seal isolation, the rear end of back casing 2 has opening, dividing plate 3 offers respectively water inlet 4 and mud mouth 5, water inlet 4 is connected with the water inlet pipe 6 being communicated with procapsid 1 cavity, mud mouth 5 is connected with the sludge out pipe 7 being communicated with procapsid 1 cavity; The front end of procapsid 1 is provided with the rotating disk 8 of ring-type, and be radially provided with some anyhow staggered grizzly bars 9 in rotating disk 8, grizzly bar 9 is some reinforcing bars, reinforcement welding on rotating disk 8, the crisscross formation filter screen of reinforcing bar.Rotating disk 8 is also provided with a main drill bit 10 outwardly and some secondary drill bits 11, main drill bit 10 is positioned at the center of rotating disk 8, and secondary drill bit 11 is distributed in main drill bit 10 surrounding; Rotating disk 8 is provided with rotating shaft 13, and rotating shaft 13 is passed dividing plate 3 and around own axis, can be provided with sealing ring between rotating shaft 13 and dividing plate 3, and be also provided with the motor that rotating disk 8 can be driven to rotate in the cavity of back casing 2, rotating shaft 13 is connected with the output shaft of motor.Can also replace with internal combustion engine as ordinary circumstance motor.
Drill bit in this conduit jacking is used for non-excavating construction buried pipeline, by means of the top power that jacking device produces in working pit, this drill bit heads in soil by the gradient designed and direction, the front end of procapsid 1 is towards working face to be excavated, jacking device is while by the jacking of this drill bit, motor drives rotating disk 8 to rotate by rotating shaft 13, thus utilize main drill bit 10 and secondary drill bit 11 to complete headwork and to break up earth, larger or solid earth is beaten loose, the earth of minor diameter enters the cavity of procapsid 1 through grizzly bar 9, water inlet pipe 6 can by water inlet 4 to water filling in procapsid 1 cavity, the earth of excavation is become mud by current, and ejected by mud mouth 5 and sludge out pipe 7.Water inlet pipe 6 coordinates with sludge out pipe 7 and plays lubrication, in time earth is become mud and is released by muddy water pipe, so greatly save manpower, improves push pipe efficiency; Chisel edge face is by mutual crisscross formation filter net type grizzly bar 9 structure, both great Shi had been avoided to enter drill bit, blocking sludge out pipe 7, ensure that again mud can enter in the cavity of procapsid 1 fast, this is compared with through-hole structure of the prior art, the mud through hole that grizzly bar 9 structure is formed is many and intensive, the cutting of larger clod can be changed small size, accelerate the transfer efficiency of mud.
As shown in Figure 3, the cavity inner circumferential of back casing 2 is evenly equipped with 4 jacking mechanisms 14, and the back seat of jacking mechanism 14 is hinged on the inwall of back casing 2, and the piston rod of jacking mechanism 14 is hinged through dividing plate 3 and rotating disk 8, is provided with sealing ring between piston rod and dividing plate 3.Carry out jacking by different jacking mechanism 14 pairs of rotating disks 8, can adjust rotating disk 8 towards, thus can adjust tunneling direction, the jacking mechanism 14 in the present embodiment is hydraulic jack, as ordinary circumstance, can adopt the replacements such as cylinder.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ 1 herein, procapsid; 2, back casing; 3, dividing plate; 4, water inlet; 5, mud mouth; 6, water inlet pipe; 7, sludge out pipe; 8, rotating disk; 9, grizzly bar; 10, main drill bit; 11, secondary drill bit; 12, power source; 13, rotating shaft; 14, the term such as jacking mechanism, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (5)
1. the drill bit in a conduit jacking, it is characterized in that, described drill bit comprises the procapsid (1) of tubular and the back casing (2) of tubular, the rear end of described procapsid (1) and the front end of back casing (2) are connected, dividing plate (3) is provided with between described procapsid (1) and back casing (2), described dividing plate (3) can by isolated for the cavity of the cavity of described procapsid (1) and described back casing (2), the rear end of described back casing (2) has opening, described dividing plate (3) offers respectively water inlet (4) and mud mouth (5), described water inlet (4) is connected with the water inlet pipe (6) being communicated with described procapsid (1) cavity, described mud mouth (5) is connected with the sludge out pipe (7) being communicated with described procapsid (1) cavity, the front end of described procapsid (1) is provided with the rotating disk (8) of ring-type, some anyhow staggered grizzly bars (9) are radially provided with in described rotating disk (8), described rotating disk (8) is also provided with a main drill bit (10) outwardly and some secondary drill bits (11), in the cavity of described back casing (2), is also provided with the power source (12) that rotating disk (8) can be driven to rotate.
2. the drill bit in a kind of conduit jacking according to claim 1, it is characterized in that, described rotating disk (8) is provided with rotating shaft (13), described rotating shaft (13) is through described dividing plate (3) and can around own axis, sealing ring is provided with between described rotating shaft (13) and described dividing plate (3), described power source (12) is motor, and described rotating shaft (13) is connected with the output shaft of described motor.
3. the drill bit in a kind of conduit jacking according to claim 1 and 2, is characterized in that, described grizzly bar (9) is some reinforcing bars, described reinforcement welding on described rotating disk (8), the crisscross formation filter screen of described reinforcing bar.
4. the drill bit in a kind of conduit jacking according to claim 1 and 2, it is characterized in that, described main drill bit (10) is positioned at the center of described rotating disk (8), and described secondary drill bit (11) is distributed in described main drill bit (10) surrounding.
5. the drill bit in a kind of conduit jacking according to claim 1 and 2, it is characterized in that, the cavity inner circumferential of described back casing (2) is evenly equipped with some jacking mechanisms (14), the back seat of described jacking mechanism (14) is hinged on the inwall of described back casing (2), the piston rod of described jacking mechanism (14) is hinged through described dividing plate (3) and described rotating disk (8), is provided with sealing ring between described piston rod and described dividing plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420643602.4U CN204212700U (en) | 2014-10-30 | 2014-10-30 | Drill bit in a kind of conduit jacking |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420643602.4U CN204212700U (en) | 2014-10-30 | 2014-10-30 | Drill bit in a kind of conduit jacking |
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| CN204212700U true CN204212700U (en) | 2015-03-18 |
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| CN201420643602.4U Active CN204212700U (en) | 2014-10-30 | 2014-10-30 | Drill bit in a kind of conduit jacking |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120123A (en) * | 2017-06-16 | 2017-09-01 | 成都金玉雄辉建筑工程有限公司 | A kind of jacking machine knife disk |
| CN107143282A (en) * | 2017-07-14 | 2017-09-08 | 冯克俊 | A kind of hole-forming device of building lot construction slurry-sucking |
| CN107387107A (en) * | 2017-06-16 | 2017-11-24 | 成都金玉雄辉建筑工程有限公司 | Development machine for pipe-jacking project |
| CN108049806A (en) * | 2017-11-28 | 2018-05-18 | 上海市基础工程集团有限公司 | For dry drawing out soil equipment and method in steel pipe pile pipe |
| CN110721506A (en) * | 2019-10-19 | 2020-01-24 | 长兴国晨工程机械科技有限公司 | Water supply device for muddy water balance push bench |
| CN111706348A (en) * | 2020-07-08 | 2020-09-25 | 汇绿园林建设发展有限公司 | Municipal pipe jacking structure and construction method thereof |
| CN112963163A (en) * | 2021-03-16 | 2021-06-15 | 常熟市华诚建设工程有限责任公司 | Earth pressure balance pipe jacking equipment and construction method thereof |
| CN113605916A (en) * | 2021-09-09 | 2021-11-05 | 北京市市政二建设工程有限责任公司 | Tool pipe for sludge geological formation pipe jacking construction |
-
2014
- 2014-10-30 CN CN201420643602.4U patent/CN204212700U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120123A (en) * | 2017-06-16 | 2017-09-01 | 成都金玉雄辉建筑工程有限公司 | A kind of jacking machine knife disk |
| CN107387107A (en) * | 2017-06-16 | 2017-11-24 | 成都金玉雄辉建筑工程有限公司 | Development machine for pipe-jacking project |
| CN107120123B (en) * | 2017-06-16 | 2023-07-07 | 宿州悟道智能制造有限公司 | Cutter head of jacking machine |
| CN107387107B (en) * | 2017-06-16 | 2023-09-15 | 南京吉才汇科技有限公司 | Heading machine for pipe jacking engineering |
| CN107143282A (en) * | 2017-07-14 | 2017-09-08 | 冯克俊 | A kind of hole-forming device of building lot construction slurry-sucking |
| CN108049806A (en) * | 2017-11-28 | 2018-05-18 | 上海市基础工程集团有限公司 | For dry drawing out soil equipment and method in steel pipe pile pipe |
| CN110721506A (en) * | 2019-10-19 | 2020-01-24 | 长兴国晨工程机械科技有限公司 | Water supply device for muddy water balance push bench |
| CN111706348A (en) * | 2020-07-08 | 2020-09-25 | 汇绿园林建设发展有限公司 | Municipal pipe jacking structure and construction method thereof |
| CN112963163A (en) * | 2021-03-16 | 2021-06-15 | 常熟市华诚建设工程有限责任公司 | Earth pressure balance pipe jacking equipment and construction method thereof |
| CN113605916A (en) * | 2021-09-09 | 2021-11-05 | 北京市市政二建设工程有限责任公司 | Tool pipe for sludge geological formation pipe jacking construction |
| CN113605916B (en) * | 2021-09-09 | 2024-02-02 | 北京市市政二建设工程有限责任公司 | Tool pipe for mud geological stratum pipe jacking construction |
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