CN206681748U - Shield machine double helix conveying device - Google Patents
Shield machine double helix conveying device Download PDFInfo
- Publication number
- CN206681748U CN206681748U CN201720221460.6U CN201720221460U CN206681748U CN 206681748 U CN206681748 U CN 206681748U CN 201720221460 U CN201720221460 U CN 201720221460U CN 206681748 U CN206681748 U CN 206681748U
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- cylinder
- level
- screw rod
- level screw
- fixed
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- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000007599 discharging Methods 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 21
- 230000006872 improvement Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 208000028659 discharge Diseases 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000008674 spewing Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Abstract
The utility model discloses a kind of shield machine double helix conveying device, including primary spiral conveyor and deuterostrophies conveying mechanism, primary spiral conveyor includes fixed cylinder, flexible cylinder, one-level screw rod, and one-level screw drive；Deuterostrophies conveying mechanism includes sealed cylinder, two level screw rod and two level screw drive.The shield machine is with double helix conveying device when the screw rod of primary spiral conveyor needs to retract, deuterostrophies mechanism transfixion, the retraction of primary spiral conveyor screw rod can conveniently be realized, simultaneous retractable cylinder also has the function of gate in screw retract, one of gate can be saved, cost and installing space are saved for the global design of conveying worm；The screw rod of deuterostrophies mechanism uses 2 supporting constructions, avoids helical blade outer rim and is contacted with the direct of cylinder inboard wall, can effectively prevent the abrasion of cylinder inboard wall and helical blade, substantially increase the service life and job stability of screw machine.
Description
Technical field
It the utility model is related to shield machine technical field, more particularly to a kind of shield machine double helix conveying device.
Background technology
Conveying worm is one of core apparatus of earth pressure balance shield machine, and its effect is mainly：1) by cutting mechanism
The dregs cut is transported on belt conveyor by helical blade, so as to ensure that it is certain that the dregs in native storehouse maintains
It is horizontal；2) pressure in native storehouse is adjusted, adjusts the conveying capacity of dregs by changing the rotating speed of conveying worm, and then adjust soil
Pressure in storehouse, the pressure in native storehouse is set to maintain certain poised state with soil pressure, so as to avoid being excavated in digging process
Face cave in and the sedimentation on stratum；3) spewing phenomenon is prevented, when being excavated in the stratum of underground water rich content, control can be passed through
The opening and closing of conveying worm early gate and unearthed gate controls the size of hydraulic pressure in conveying worm, so as to prevent to gush
Phenomenon.
When being constructed in the stratum of underground water rich content, tool is devised in order to realize the above-mentioned function of conveying worm
Have a double-stranded deuterostrophies conveyer, wherein primary spiral conveyor with just frequently with screw conveyer structure base
This is identical, and deuterostrophies conveying mechanism is then extra increased one section of conveying worm, wherein primary spiral conveyor
Soil outlet is connected with the charging aperture of deuterostrophies conveying mechanism, and deuterostrophies conveying mechanism dregs output quantity is greater than one-level
Spiral conveying mechanism.At present, the country is that extra large Rake company of Germany produces using more deuterostrophies conveying mechanism, the mechanism
Though the spewing phenomenon of underground water can be prevented effectively, there is also following shortcoming：1) in shield machine tunneling process, due to double spiral shells
Rotation structure conveying worm volume is larger, it is necessary to install fixed structure more, while deuterostrophies conveying mechanism and one-level spiral shell
The telescopable portion of rotation conveying mechanism is rigidly connected by bolt, once deuterostrophies conveying mechanism is fixed, then double-spiral structure
The Telescopic of conveying worm can not then be realized, when deuterostrophies conveying mechanism is removable, it is necessary to the supplementary structure being equipped with
Part is more, considerably increases the complexity of whole mechanism；2) screw rod of deuterostrophies conveying mechanism only leans on drive device one
Side is supported, as cantilever beam structure, and output end then forms the phenomenon that helical blade directly contacts with cylinder, when long
Between friction, under abrasive action, heavy wear phenomenon will occur in helical blade or cylinder, so as to shorten conveying worm
Service life, maintenance cost is added, while be also possible to influence original construction speed.
The content of the invention
In order to overcome drawbacks described above, the utility model provides a kind of shield machine double helix conveying device, it is possible to achieve
When the screw rod of primary spiral conveyor is flexible, deuterostrophies conveying mechanism remains stationary is motionless, while can reduce spiral transferring
Send machine drum body to wear, and improve the service life of conveying worm.
The utility model in order to solve its technical problem used by technical scheme be：A kind of shield machine is conveyed with double helix
Device, including primary spiral conveyor and deuterostrophies conveying mechanism, the primary spiral conveyor are planted including one end
Fixed cylinder in Yu Tucang, the flexible cylinder being movably set in the fixed cylinder other end, it is placed in the fixed cylinder
With the one-level screw rod in retracting cylinder body, and for driving the one-level screw drive of one-level screw rod rotation, described one
Level screw drive is fixed on the flexible cylinder；The fixed cylinder is provided with telescopic oil cylinder, the telescopic oil cylinder
Piston rod is connected with the flexible cylinder to drive the retracting cylinder body phase to carry out stretching motion to the fixed cylinder；It is described solid
Safety barrel body is provided with one-level discharging opening, and the flexible cylinder is provided with perforate, and the perforate is in the retracting cylinder body phase to described
It can overlap and misplace with the one-level discharging opening to form bar gate type discharging opening during fixed cylinder stretching motion；The two level spiral shell
Rotation conveying mechanism includes sealed cylinder, the two level screw rod being placed in the sealed cylinder and for driving the two level screw rod to revolve
The two level screw drive turned, the both ends of the sealed cylinder and is respectively equipped with two level charging on two relative sides
Mouth and secondary discharge port, the sealed cylinder are fixedly connected with the fixed cylinder, and the secondary discharge port and the one-level
Discharging opening connects.
As further improvement of the utility model, the fixed cylinder other end is respectively equipped with two relative sides
Left oil cylinder ear mount, the left oil cylinder ear mount that the other end end of the flexible cylinder corresponds to the fixed cylinder are respectively equipped with right oil cylinder
Ear mount, the base of the telescopic oil cylinder are fixed in the left oil cylinder ear mount, and the piston rod of the telescopic oil cylinder is fixed on right oil
In cylinder ear mount.
As further improvement of the utility model, the lateral surface of the fixed cylinder and flexible cylinder, which is provided with, to be oriented to and prevents
Torsion device.
As further improvement of the utility model, the helical blade on the one-level screw rod corresponds to the one-level discharging opening
The upper and lower two-part hand of spiral it is opposite.
As further improvement of the utility model, bearing block is provided with one end of the sealed cylinder, on the bearing block
Provided with spring bearing, the two level screw drive is on the other end of the sealed cylinder, and the two of the two level screw rod
End-rack is on the spring bearing and two level screw drive, helical blade outer rim and the sealing of the two level screw rod
There is gap between cylinder inboard wall.
As further improvement of the utility model, the two level screw rod is outside one end of the spring bearing and described
Dust-proof seal ring is provided between sealed cylinder.
As further improvement of the utility model, cylinder sealing ring is provided between the fixed cylinder and flexible cylinder,
The one-level discharging opening of the fixed cylinder is externally provided with exit seal circle.
The beneficial effects of the utility model are：The shield machine has following excellent compared with the prior art with double helix conveying device
Point：1) when the screw rod of primary spiral conveyor needs to retract, deuterostrophies mechanism transfixion can be conveniently real
The retraction of existing primary spiral conveyor screw rod, simultaneous retractable cylinder also have the function of gate in screw retract, can avoided
In additional one of the gate of the discharge outlet of primary spiral conveyor, cost and peace are saved for the global design of conveying worm
Fill space；2) screw rod one end of deuterostrophies mechanism is supported using spring bearing, makes screw rod generally 2 supporting constructions,
Avoid helical blade outer rim to contact with the direct of cylinder inboard wall, can effectively prevent the abrasion of cylinder inboard wall and helical blade, greatly
The big service life and job stability for improving conveying worm.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is A portions mplifying structure schematic diagram in Fig. 1；
Fig. 3 is B portions mplifying structure schematic diagram in Fig. 1.
With reference to accompanying drawing, make the following instructions：
11 --- fixed cylinders 12 --- stretch cylinder
13 --- one-level screw rod 14 --- one-level screw drives
15 --- telescopic oil cylinder 16 --- one-level discharging openings
17 --- cylinder sealing ring 18 --- exit seal circles
21 --- sealed cylinder 22 --- secondary discharge ports
23 --- two level screw rod 24 --- two level screw drives
25 --- two level charging aperture 26 --- bearing blocks
27 --- spring bearing 28 --- dust-proof seal rings
Embodiment
Below in conjunction with accompanying drawing, a preferred embodiment of the present utility model is elaborated.But guarantor of the present utility model
Shield scope is not limited to following embodiments, i.e., is made in every case with present utility model application the scope of the claims and description simple
Equivalent changes and modifications, all still belong within the utility model patent covering scope.
Refering to Fig. 1-3, a kind of shield machine double helix conveying device, including primary spiral conveyor and deuterostrophies it is defeated
Send mechanism, the primary spiral conveyor include the fixed cylinder 11 that one end is inserted in native storehouse, be movably set in it is described solid
Flexible cylinder 12 in the safety barrel body other end, the one-level screw rod 13 being placed in fixed cylinder and the retracting cylinder body, and be used for
The one-level screw drive 14 of the one-level screw rod rotation is driven, the one-level screw drive is fixed on the retracting cylinder
On body；The fixed cylinder is provided with telescopic oil cylinder 15, and the piston rod of the telescopic oil cylinder is connected with band with the flexible cylinder
Move the retracting cylinder body phase and stretching motion is carried out to the fixed cylinder；The fixed cylinder is provided with one-level discharging opening 16, institute
State flexible cylinder and be provided with perforate, the perforate can be with institute when the retracting cylinder body phase is to the fixed cylinder stretching motion
One-level discharging opening is stated to overlap and misplace to form bar gate type discharging opening；The deuterostrophies conveying mechanism include sealed cylinder 21,
The two level screw rod 23 being placed in the sealed cylinder and the two level screw drive for driving the two level screw rod rotation
24, the both ends of the sealed cylinder and two level charging aperture 25 and secondary discharge port are respectively equipped with two relative sides
22, the sealed cylinder is fixedly connected with the fixed cylinder, and the secondary discharge port connects with the one-level discharging opening.
During work, one end of fixed cylinder is inserted in native storehouse, and one-level screw drive drives the rotation of one-level screw rod, will
The dregs that cutter is cut is by one-level screw rod transmission to one-level discharging opening, subsequently into the close of deuterostrophies conveying mechanism
In sealed tube body, then two level screw rod is transported to secondary discharge port.The drive mechanism of one-level screw rod is arranged on flexible cylinder, and two
The sealed cylinder of level spiral conveying mechanism is fixed on the fixed cylinder of primary spiral conveyor so that one-level screw rod needs to contract
Hui Shi, deuterostrophies mechanism transfixion, the retraction of one-level screw rod can be conveniently realized, while during one-level screw retract
Also there is the function of gate, i.e., due to being provided with perforate on flexible cylinder, the perforate, can in flexible cylinder stretching motion
Overlap or misplace with one-level discharging opening, so as to form bar gate type discharging opening, therefore can reduce by one of spiral gate, reduction portion
Part, cost-effective and installing space.
Be respectively equipped with left oil cylinder ear mount on two relative sides of the fixed cylinder other end, the flexible cylinder it is another
The left oil cylinder ear mount that one end end corresponds to the fixed cylinder is respectively equipped with right oil cylinder ear mount, and the base of the telescopic oil cylinder is (logical
Cross bearing pin) it is fixed in the left oil cylinder ear mount, the piston rod (passing through bearing pin) of the telescopic oil cylinder is fixed on right oil cylinder ear mount
On.When the one-level screw rod of primary spiral conveyor needs to retract out of native storehouse, hydraulic oil only need to be injected into telescopic oil cylinder
Stretch out cylinder rod, one-level screw rod that is on the contrary then can making to have retracted enters storehouse of burying.
The lateral surface of the fixed cylinder and flexible cylinder is provided with guiding and anti-rotation lock, prevents screw machine in normal work
Drive device rotation and it is play the guiding role when making during screw retract.
Helical blade on the one-level screw rod correspond to the upper and lower two-part hand of spiral of the one-level discharging opening on the contrary,
It can effectively prevent dregs from being poured in spiro driving device direction, so as to cause dregs to be fixedly arranged in retracting cylinder body.
Bearing block 26 is provided with one end of the sealed cylinder, the bearing block is provided with spring bearing 27, the two level spiral shell
For bar drive mechanism on the other end of the sealed cylinder, the both ends of the two level screw rod are set up in the spring bearing and two
On level screw drive, there is gap between the helical blade outer rim of the two level screw rod and the sealed cylinder inwall.Branch
2 points of supports that support bearing and two level screw drive are formed to two level screw rod, i.e. bearings and driving support, in spiral
During machine normal work, blade outer rim and the sealed cylinder inwall of deuterostrophies conveying mechanism form gap, greatly reduce the two
Between contact friction, so as to improve the service life of conveying worm.
The two level screw rod is provided with dust-proof seal ring outside one end of the spring bearing between the sealed cylinder
28, totally three, two seals chamber is formed, seal grease hole is offered in per pass annular seal space, it is close when screw machine normal work
Oil sealing fat is ceaselessly pumped into annular seal space, to prevent the impurity such as dregs, muddy water from leaking into spring bearing, and bearing is made
Into damage, so as to ensure the stability and service life of device during operation.
Cylinder sealing ring 17 is provided between the fixed cylinder and flexible cylinder, outside the one-level discharging opening of the fixed cylinder
Provided with exit seal circle 18, cylinder sealing ring has four, forms three seals chamber, seal grease is provided with three seals intracavitary
Hole, when screw machine normal work, seal grease is ceaselessly delivered in annular seal space by pump, to prevent dregs, muddy water, air etc.
Go out leakage from the gap of flexible cylinder and fixed cylinder, so as to keep the pressure balance in native storehouse；Exit seal chamber is close for annular
Seal, one-level discharge outlet is placed in, when one-level screw retract, the part of non-perforate then forms gate on flexible cylinder,
Ensure the sealing property of gate in the presence of exit seal circle.
Claims (7)
1. a kind of shield machine double helix conveying device, including primary spiral conveyor and deuterostrophies conveying mechanism, it is special
Sign is：The primary spiral conveyor include the fixed cylinder (11) that one end is inserted in native storehouse, be movably set in it is described
Flexible cylinder (12) in the fixed cylinder other end, the one-level screw rod (13) being placed in fixed cylinder and the retracting cylinder body, with
And for driving the one-level screw drive (14) of the one-level screw rod rotation, the one-level screw drive is fixed on institute
State on flexible cylinder；The fixed cylinder is provided with telescopic oil cylinder (15), the piston rod of the telescopic oil cylinder and the retracting cylinder
Body is connected to drive the retracting cylinder body phase to carry out stretching motion to the fixed cylinder；The fixed cylinder goes out provided with one-level
Material mouth (16), the flexible cylinder are provided with perforate, and the perforate is in the retracting cylinder body phase to the flexible fortune of the fixed cylinder
It can overlap and misplace with the one-level discharging opening to form bar gate type discharging opening when dynamic；The deuterostrophies conveying mechanism includes
Sealed cylinder (21), the two level screw rod (23) being placed in the sealed cylinder and for driving two level screw rod rotation two
Level screw drive (24), the both ends of the sealed cylinder and is respectively equipped with two level charging aperture on two relative sides
(25) it is fixedly connected with secondary discharge port (22), the sealed cylinder with the fixed cylinder, and the secondary discharge port and institute
State the connection of one-level discharging opening.
2. shield machine according to claim 1 double helix conveying device, it is characterised in that：The fixed cylinder other end
Left oil cylinder ear mount is respectively equipped with two relative sides, the other end end of the flexible cylinder corresponds to the fixed cylinder
Left oil cylinder ear mount is respectively equipped with right oil cylinder ear mount, and the base of the telescopic oil cylinder is fixed in the left oil cylinder ear mount, described to stretch
The piston rod of contracting oil cylinder is fixed in right oil cylinder ear mount.
3. shield machine according to claim 1 double helix conveying device, it is characterised in that：The fixed cylinder and flexible
The lateral surface of cylinder is provided with guiding and anti-rotation lock.
4. shield machine according to claim 1 double helix conveying device, it is characterised in that：Spiral shell on the one-level screw rod
The upper and lower two-part hand of spiral that vane piece corresponds to the one-level discharging opening is opposite.
5. shield machine according to claim 1 double helix conveying device, it is characterised in that：One end of the sealed cylinder
Interior to be provided with bearing block (26), the bearing block is provided with spring bearing (27), and the two level screw drive is located at the sealing
On the other end of cylinder, the both ends of the two level screw rod are set up on the spring bearing and two level screw drive, described
There is gap between the helical blade outer rim of two level screw rod and the sealed cylinder inwall.
6. shield machine according to claim 5 double helix conveying device, it is characterised in that：The two level screw rod is close to institute
State and be provided with dust-proof seal ring (28) outside one end of spring bearing between the sealed cylinder.
7. shield machine according to claim 1 double helix conveying device, it is characterised in that：The fixed cylinder and flexible
Cylinder sealing ring (17) is provided between cylinder, the one-level discharging opening of the fixed cylinder is externally provided with exit seal circle (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720221460.6U CN206681748U (en) | 2017-03-08 | 2017-03-08 | Shield machine double helix conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720221460.6U CN206681748U (en) | 2017-03-08 | 2017-03-08 | Shield machine double helix conveying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206681748U true CN206681748U (en) | 2017-11-28 |
Family
ID=60392093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720221460.6U Expired - Fee Related CN206681748U (en) | 2017-03-08 | 2017-03-08 | Shield machine double helix conveying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206681748U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640115A (en) * | 2017-03-08 | 2017-05-10 | 江苏凯宫隧道机械有限公司 | Double screw conveying device for shield tunneling machine |
| CN108729003A (en) * | 2018-06-28 | 2018-11-02 | 绍兴汉翔精密机械制造有限公司 | A kind of glove-knitting needle drum worm structure |
-
2017
- 2017-03-08 CN CN201720221460.6U patent/CN206681748U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640115A (en) * | 2017-03-08 | 2017-05-10 | 江苏凯宫隧道机械有限公司 | Double screw conveying device for shield tunneling machine |
| CN108729003A (en) * | 2018-06-28 | 2018-11-02 | 绍兴汉翔精密机械制造有限公司 | A kind of glove-knitting needle drum worm structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171128 |