CN207513606U - A kind of counterforce device for shield launching - Google Patents
A kind of counterforce device for shield launching Download PDFInfo
- Publication number
- CN207513606U CN207513606U CN201721651621.1U CN201721651621U CN207513606U CN 207513606 U CN207513606 U CN 207513606U CN 201721651621 U CN201721651621 U CN 201721651621U CN 207513606 U CN207513606 U CN 207513606U
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- CN
- China
- Prior art keywords
- reaction frame
- shield
- shield machine
- headwall
- counterforce device
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Abstract
A kind of counterforce device for shield launching,Including being located at rack is originated on launching shaft inner bottom plating,It is placed on the shield machine originated on rack,And it is arranged on and originates on rack and positioned at the reaction frame at shield machine rear,A face headwall is equipped in launching shaft on the tunneling direction of shield machine,Headwall is equipped with portal structure,The one side of reaction frame towards shield machine is equipped with and the corresponding Force transmission parts in shield machine jack position,Reaction frame can originate rack move up it is dynamic,Shield machine jack is made to be in contact with Force transmission parts,On headwall the first connecting pin is respectively arranged on the left side and the right side positioned at portal structure,The corresponding second connection end in position is equipped on reaction frame,It is connected between headwall and reaction frame by connector,One end of connector is connect with the first connecting pin,The other end is connect with second connection end,Reaction frame is made not fallen back in stress.The utility model has the characteristics of efficient, shield attitude is easy to control, and construction space is small without assembled negative endless tube piece.
Description
Technical field
The utility model is related to arrive a kind of device of shield method tunnel construction technical field more particularly to one kind for shield
The counterforce device that structure originates.
Background technology
Shield construction is because its mechanization degree is high, speed of application is fast, ground disturbance is small, environment influences the advantages that small, extensively
It is general to be used in subway tunnel, draw for the constructing tunnels such as water tunnel, electric power tunnel field.First have to what is carried out using shield construction
Key job is shield launching construction, and it is usually to implement in working shaft to originate construction, and depending on originating place size, entirety can be used
Or split mode originates, but no matter is originated using which kind of mode, is required to provide enough propulsion counter-forces for shield launching.
At present, shield launching construction frequently with method be that negative endless tube piece is combined using fixed reaction frame, pass through negative ring
Section of jurisdiction, which provides, makes the counter-force that shield machine is pushed ahead.Shield machine often pushes ahead a cell distance, and retraction jack is new assembled
After one ring bears endless tube piece, shield machine promotes further along, until completing shield launching stage tunneling construction.This mode needs assembly
Negative endless tube piece after originating, and need to be removed and hung out outside starting well by a certain number of negative endless tube pieces, and process is more, is constructed into
This is big, risk is big, long in time limit, while the consolidation service of negative endless tube piece is also required to a relatively large space.
For the technical problem, Patent No. 201410254040.9, the packaged type counter-force of entitled launching shaft
The patent of invention of equipment discloses and uses the mode that parados provides the counter-force pushed ahead for shield machine that pushes away, and passes through mobile counter-force
It frame and in reaction frame and pushes away the horizontally-supported pipe of spreading is segmented between parados, make reaction frame and push away to be formed between parados whole, be
Shield machine, which promotes, provides counter-force.Although this mode is without assembled negative endless tube piece, cost reduction, there is still a need for assembled certain amounts
Horizontal brace, support segmentation spreading process cycle is more, and troublesome in poeration, the duration cannot efficiently reduce, and shield attitude is not easily-controllable
System, shield head easily plants head, and there is still a need for a relatively large spaces to implement for this mode.
Utility model content
The utility model to solve the above-mentioned problems, provides a kind of counterforce device for shield launching, without assembly
The characteristics of negative endless tube piece, has efficient, and shield attitude is easy to control, and required construction space is small.
In order to realize the purpose of this utility model, used technical solution is：A kind of counter-force for shield launching fills
It puts, rack is originated on launching shaft inner bottom plating including being located at, be placed on the shield machine originated on rack and be arranged on the beginning
It sends out on rack and is equipped with one side on the tunneling direction of shield machine in the reaction frame at shield machine rear, the launching shaft
Headwall, headwall be equipped with portal structure, the reaction frame towards shield machine one side be equipped with it is opposite with shield machine jack position
The Force transmission parts answered, the reaction frame can move up dynamic, shield machine jack made to be in contact with Force transmission parts originating rack,
On headwall in launching shaft, and the first connecting pin is respectively arranged on the left side and the right side positioned at portal structure, is set on reaction frame
There is the corresponding second connection end in position, connected between headwall and reaction frame by connector, one end of the connector and the
One connecting pin connects, and the other end is connect with second connection end, and reaction frame is made not fallen back in stress.
As further improvement of the utility model, the connector is reinforcing bar, pull rod or steel strand wires.
As further improvement of the utility model, first connecting pin is embedded in headwall.
As further improvement of the utility model, the second connection end is the preformed hole on reaction frame, the connection
The other end of part passes through preformed hole and fixation.
As further improvement of the utility model, first connecting pin is additionally arranged at the top of portal structure on headwall
Portion, the second connection end are additionally arranged at the corresponding position in top of reaction frame.
As further improvement of the utility model, using the axis of portal structure as symmetry axis between first connecting pin
Symmetrical setting.
As further improvement of the utility model, first connecting pin is in same with corresponding second connection end
Horizontal plane position, holding is horizontal when connecting connector.
As further improvement of the utility model, the reaction frame is located on the track for originating rack, under reaction frame
Portion is equipped with pulley.
As further improvement of the utility model, the Force transmission parts be fixed on it is horizontally-supported on reaction frame.
The beneficial effects of the utility model are：
1st, time and cost are saved
During shield launching, without bearing endless tube piece or Horizontal steelwork bracing in the assembly of reaction frame rear, negative endless tube piece is avoided
Or numerous and diverse process such as making, segmented assembly, dismounting, lifting of Horizontal steelwork bracing, and working procedure is simple, simple operation, only
Reaction frame, which need to be moved, makes Force transmission parts and the very heavy top contact of shield machine, and connector is then connected between reaction frame and portal i.e.
Can, construction efficiency is effectively improved, cost saved construction period and cost.
2nd, stability is good
Shield machine jack acts on power on reaction frame by Force transmission parts, and reaction frame is transferred force to by connector
On headwall, the counter-force for pushing ahead shield machine is provided by headwall, stability is good compared with other structures, and shield attitude is easy to control.
3rd, space in launching shaft is saved
Space is small needed for shield launching, without bearing endless tube piece or Horizontal steelwork bracing in the assembly of reaction frame rear, makes counter-force
The rear of frame it is vacant go out certain space, convenient for the implementation of other processes.
Description of the drawings
Fig. 1 is the utility model shield launching pre-structure schematic diagram；
Fig. 2 is structure diagram after one unit stroke of the utility model shield machine jack jacking；
Fig. 3 is structure diagram after the utility model reaction frame one unit stroke of Forward；
Description of symbols：1- headwalls, 11- bottom plates, 2- originate rack, 3- shield machines, 31- shield machines jack, 4- reaction frames,
41- Force transmission parts, 42- pulleys, the first connecting pins of 5-, 6- second connection ends, 7- connectors.
Specific embodiment
With reference to specific embodiment and attached drawing, the utility model is described in further detail.
As shown in Figs. 1-3, a kind of counterforce device for shield launching, is equipped with headwall 1 in launching shaft, on headwall 1
It equipped with portal structure, originates on the bottom plate 11 that rack 2 is located in launching shaft, and is set towards the direction of portal structure, shield
Structure machine 3, which is placed on, to be originated on rack 2, can be tunneled along rack 2 is originated toward portal structure direction.After shield machine 3
Side is equipped with reaction frame 4, reaction frame 4 towards shield machine 3 to be provided with Force transmission parts 41, quantity and position on one side very heavy with shield machine
Top 31 corresponds to, it is preferable that Force transmission parts 41 are horizontally-supported, using steel pipe or similar material, are fixed by welding in counter-force
On frame 4.Reaction frame 4 can move on rack 2 is originated, it is preferable that reaction frame 4 is mounted on the track for originating rack 2, instead
The lower part of power frame 4 is equipped with pulley 42, in order to which reaction frame 4 is moved.By mobile reaction frame 4, make shield machine jack 31
It is contacted with Force transmission parts 41, in order to which the power of shield machine jack 31 is acted on reaction frame 4.On headwall 1 and positioned at portal
The left and right sides and top of structure are respectively equipped with multiple first connecting pins 5, in portal structure between multiple first connecting pins 5
Axis is symmetrical for symmetry axis, and quantity is respectively equipped in the left and right sides of reaction frame 4 and top and is connect with position corresponding second
End 6, by connecting connector 7 between the first connecting pin 5 and second connection end 6, so as to which reaction frame 4 be made to be connected into headwall 1
One is whole, and reaction frame 4 is made not fallen back when by the top power of shield machine jack 31.Steel strand wires can be selected in connector 7, also optional
With the component that the rigidity such as pull rod or reinforcing bar are larger, in the present embodiment, connector 7 is preferably reinforcing bar, and the first connecting pin 5 is preferably
The fixing end being embedded in portal structure 1, second connection end 6 be preferably reaction frame 4 on preformed hole, one end of connector 7 with
First connecting pin 5 connects, and the other end passes through second connection end 6 and fixes, i.e., across preformed hole and fixation, you can carries out in next step
Shield originates driving.Preferably, the first connecting pin 5 is in same level position with corresponding second connection end 6, so as to
Make the holding in connection of connector 7 horizontal.
When shield machine 3 originates driving, start shield machine jack 31, make the pushing tow power transmission structure backward of shield machine jack 31
Part 41, jacking force are transmitted to by Force transmission parts 41 on reaction frame 4, and reaction frame 4 transfers force to portal structure 1 by connector 7
On, the reaction force of generation pushes ahead shield machine 3.After 3 jacking of shield machine, one per stroke, pause driving, and by shield
3 shield body of machine prevents shield machine 3 from retreating, while release the fixation of 4 upper connector 7 of reaction frame, then contract with originating rack 2 and be welded and fixed
Shield machine jack 31 is returned, then reaction frame 4 is moved forward, shield machine jack 31 is made to connect with Force transmission parts 41 again
It touches, then retightens connector 7.Shield machine 3 restores driving, starts shield machine jack 31, pushes ahead a unit row again
Journey.So cycle is advanced into normal driving position, completes shield launching construction.
In conclusion such as specification and diagramatic content actual sample is made and through test is used for multiple times in the utility model,
In terms of the effect for using test, provable the utility model can reach its desired purpose, and practical value is unquestionable.
Embodiment provided above is only used for facilitating illustration the utility model, not makees limit in any form to the utility model
System, any those of ordinary skill in the art, if in the range of not departing from the utility model and carrying technical characteristic,
Using the equivalent embodiment for locally changing or modifying made by the utility model disclosed technology content, and without departing from this practicality
Novel technical feature content, in the range of still falling within the utility model technical characteristic.
Claims (9)
1. a kind of counterforce device for shield launching originates rack on launching shaft inner bottom plating including being located at, is placed on
It originates the shield machine on rack and is arranged on and originate on rack and positioned at the reaction frame at shield machine rear, the shield launching
A face headwall is equipped in well on the tunneling direction of shield machine, headwall is equipped with portal structure, it is characterised in that：The reaction frame
Towards shield machine one side be equipped with the corresponding Force transmission parts in shield machine jack position, the reaction frame can be in originating station
It is moved on frame, shield machine jack is made to be in contact with Force transmission parts, on the headwall in launching shaft, and positioned at portal structure
Be respectively arranged on the left side and the right side the first connecting pin, on reaction frame be equipped with the corresponding second connection end in position, headwall and counter-force
It being connected between frame by connector, one end of the connector is connect with the first connecting pin, and the other end is connect with second connection end,
Reaction frame is made not fallen back in stress.
2. a kind of counterforce device for shield launching according to claim 1, it is characterised in that：The connector is steel
Muscle, pull rod or steel strand wires.
3. a kind of counterforce device for shield launching according to claim 1, it is characterised in that：First connecting pin
It is embedded in headwall.
4. a kind of counterforce device for shield launching according to claim 1, it is characterised in that：The second connection end
For the preformed hole on reaction frame, the other end of the connector passes through preformed hole and fixation.
5. a kind of counterforce device for shield launching according to claim 1, it is characterised in that：First connecting pin
The top of portal structure on headwall is additionally arranged at, the second connection end is additionally arranged at the corresponding position in top of reaction frame.
6. a kind of counterforce device for shield launching according to claim 1, it is characterised in that：First connecting pin
Between using the axis of portal structure as the symmetrical setting of symmetry axis.
7. a kind of counterforce device for shield launching according to claim 1, it is characterised in that：First connecting pin
Same level position is in corresponding second connection end, holding is horizontal when connecting connector.
8. a kind of counterforce device for shield launching according to claim 1, it is characterised in that：The reaction frame is located at
It originates on the track of rack, the lower part of reaction frame is equipped with pulley.
9. a kind of counterforce device for shield launching according to claim 1, it is characterised in that：The Force transmission parts are
It is fixed on horizontally-supported on reaction frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721651621.1U CN207513606U (en) | 2017-12-01 | 2017-12-01 | A kind of counterforce device for shield launching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721651621.1U CN207513606U (en) | 2017-12-01 | 2017-12-01 | A kind of counterforce device for shield launching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207513606U true CN207513606U (en) | 2018-06-19 |
Family
ID=62542809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721651621.1U Active CN207513606U (en) | 2017-12-01 | 2017-12-01 | A kind of counterforce device for shield launching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207513606U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454178A (en) * | 2019-09-05 | 2019-11-15 | 中铁隧道局集团有限公司 | It is originated in large-diameter shield auger with counter-force structure production method and counter-force structure |
| EP3626931A1 (en) * | 2018-09-24 | 2020-03-25 | Ferrovial Agroman UK Ltd | Movable shove frame structure, device for starting tunnels and method for starting the construction of tunnels |
-
2017
- 2017-12-01 CN CN201721651621.1U patent/CN207513606U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3626931A1 (en) * | 2018-09-24 | 2020-03-25 | Ferrovial Agroman UK Ltd | Movable shove frame structure, device for starting tunnels and method for starting the construction of tunnels |
| CN110454178A (en) * | 2019-09-05 | 2019-11-15 | 中铁隧道局集团有限公司 | It is originated in large-diameter shield auger with counter-force structure production method and counter-force structure |
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