CN208010356U - A kind of liftable adjustable type tunnel multi-step excavates rack - Google Patents
A kind of liftable adjustable type tunnel multi-step excavates rack Download PDFInfo
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- CN208010356U CN208010356U CN201820378843.9U CN201820378843U CN208010356U CN 208010356 U CN208010356 U CN 208010356U CN 201820378843 U CN201820378843 U CN 201820378843U CN 208010356 U CN208010356 U CN 208010356U
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- steel pipe
- rack
- adjustable type
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- supporting steel
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Abstract
The utility model discloses a kind of liftable adjustable type tunnel multi-steps to excavate rack, including support system, vertical lift system, operation platform system and mobile system.Support system is used to support vertical lift system and operation platform system, and operation platform system is set to the top of vertical lift system, and mobile system drives the overall movement of rack；Vertical lift system includes the fixed supporting steel pipe of lifting positioning, adjusts supporting steel pipe and the first bolt, the lower end of the fixed supporting steel pipe of lifting positioning is fixedly connected with support system, the upper end that supporting steel pipe is fixed in lifting positioning is inserted in adjusting supporting steel pipe, and the circular hole that several limits are vertically correspondingly provided on fixed supporting steel pipe and adjusting supporting steel pipe is positioned in lifting.The utility model liftable adjustable type tunnel multi-step excavates rack due to liftable rack, and the working space of bigger is provided for face mucking machine equipment, reduces the activity duration of slagging tap.
Description
Technical field
The utility model is related to drilling operation rack is excavated in drilling and blasting method highway, railway tunnel construction, and in particular to a kind of
Liftable adjustable type tunnel multi-step excavates rack.
Background technology
Drilling and blasting method excavation is mostly used in highway, railway tunnel construction greatly at present, in the numerous excavation methods in tunnel, with step
Method is most widely used.In recent years, more cave-in accident occurs during domestic and international constructing tunnel, causes larger casualties
And property loss.Under severe security situation, each side that takes part in building especially payes attention to tunnel safety, and multiselect is with three in excavation method
Rank multistep or multi-step multistep are excavated, and bench excavation height is reduced, and short drilling depth, multi-cycle, early closing is taken to reinforce constructing tunnel
Safety.
Traditional two bench excavation racks can meet jewel hole and blow out that rear drag-out slag car is current and follow-up whitewashing is worked continuously, using three
Step multistep or multi-step multistep are excavated, and rack levels cannot be satisfied jewel hole and blow out rear drag-out slag car passage and follow-up continuous make of whitewashing
Industry, rack will be excavated by needing is moved to rear from face, can be normally carried out the subsequent jobs such as slag tap, whitewash, influence each road
Activity time.For actual conditions, need to design a kind of Liftable type tunnel multi-step excavation rack.
Invention content
In view of this, the purpose of this utility model is to provide a kind of liftable adjustable type tunnel multi-steps to excavate rack.
In order to achieve the above objectives, the utility model provides the following technical solutions：
A kind of liftable adjustable type of the utility model tunnel multi-step excavates rack, including support system, vertical lift system
System, operation platform system and mobile system；Support system is used to support vertical lift system and operation platform system, operating platform
System is set to the top of vertical lift system, and mobile system drives the overall movement of rack；Vertical lift system includes that lifting is fixed
The fixed supporting steel pipe in position adjusts supporting steel pipe and the first bolt, and the lower end of the fixed supporting steel pipe of lifting positioning and support system are solid
Fixed connection, the upper end of the fixed supporting steel pipe of lifting positioning, which is inserted in, to be adjusted in supporting steel pipe, and fixed supporting steel pipe is positioned in lifting
And the circular hole that several limits are vertically correspondingly provided on supporting steel pipe is adjusted, the first bolt a pair of of circle installed therein
The fixed supporting steel pipe of positioning is lifted with connection in hole and adjusts supporting steel pipe.
Further, support system includes pedestal, vertical supporting frame and horizontal shore, the lower end and bottom of vertical supporting frame
Seat is fixedly connected, the horizontally-supported top for being erected at vertical supporting frame.
Further, pedestal includes the two rows of I-steel for being located at bottom, and vertical supporting frame includes steel pipe, steel pipe and lower bottom
The I-steel welding of seat, the upper end of steel pipe and the horizontal shore of top weld.
Further, horizontal shore is welded using five row's steel pipes and vertical supporting frame.
Further, the lower end of the fixed supporting steel pipe of lifting positioning and the I-steel of bottom are welded and fixed, and adjust supporting steel
The upper end of pipe and the horizontal shore of top weld.
Further, operation platform system includes longitudinal steel pipe, lateral steel pipe and bar-mat reinforcement, longitudinal steel pipe and lateral steel pipe
It is staggered, bar-mat reinforcement is laid on above longitudinal steel pipe and lateral steel pipe.
Further, operation platform system further includes the extension type platform being arranged at top.
Further, extension type platform includes longitudinally fixed steel pipe, longitudinally adjust steel pipe and the second bolt, longitudinally adjust
Steel pipe is plugged in fixed steel pipe and adjusts the length that longitudinally adjust steel pipe is inserted into longitudinally fixed steel pipe by the second bolt.
Further, the first bolt and the second bolt are reinforcing bar bolt.
The beneficial effects of the utility model are：The utility model liftable adjustable type tunnel multi-step excavate rack due to
Liftable rack is face mucking machine equipment（Excavator, dump truck, loading machine）The working space of bigger is provided,
Reduce the activity duration of slagging tap.
Description of the drawings
In order to keep the purpose of this utility model, technical solution and advantageous effect clearer, the utility model provides as follows
Attached drawing illustrates：
Fig. 1 is that the utility model liftable adjustable type tunnel multi-step excavates rack cross-sectional view.
Fig. 2 is that the utility model liftable adjustable type tunnel multi-step excavates rack skiagraph.
Fig. 3 is that the utility model liftable adjustable type tunnel multi-step excavates cross-sectional view after rack lifting.
Fig. 4 is that the utility model liftable adjustable type tunnel multi-step excavates skiagraph after rack lifting.
Fig. 5 is the vertical lift system structural representation that the utility model liftable adjustable type tunnel multi-step excavates rack
Figure.
Fig. 6 is the extension type platform structure signal that the utility model liftable adjustable type tunnel multi-step excavates rack
Figure.
In figure, 2 be vertical lift system, and 3 be operation platform system, and 21 fix supporting steel pipe for lifting positioning, and 22 be to adjust
Supporting steel pipe is saved, 23 be the first bolt, and 11 be I-steel, and 31 be bar-mat reinforcement, and 32 be extension type platform, and 33 be longitudinally fixed steel
Pipe, 34 be longitudinally adjust steel pipe, and 35 be the second bolt.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model can be better understood from and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
It please combines together shown in Fig. 1 to Fig. 6, a kind of liftable adjustable type of the utility model tunnel multi-step excavates rack packet
It includes support system, vertical lift system 2, operation platform system 3 and mobile system, support system and is used to support vertical lift system
2 and operation platform system 3, operation platform system 3 is set to the top of vertical lift system 2, and mobile system drives the entirety of rack
It is mobile.Vertical lift system 2 includes the fixed supporting steel pipe 21 of lifting positioning, adjusts supporting steel pipe 22 and the first bolt 23, lifting
The lower end that supporting steel pipe 21 is fixed in positioning is fixedly connected with support system, and the upper end that supporting steel pipe 21 is fixed in lifting positioning is inserted in
It adjusts in supporting steel pipe 22, vertically correspondence is set on the fixed supporting steel pipe 21 of lifting positioning and adjusting supporting steel pipe 22
There is the circular hole of several limits, is lifted with connection in 23 a pair of of circular hole installed therein of the first bolt and position fixed supporting steel pipe 21
With adjust supporting steel pipe 22, by adjusting adjust steel pipe height to realize the lifting of rack.
Support system includes pedestal, vertical supporting frame and horizontal shore, and the lower end of vertical supporting frame is fixed with pedestal to be connected
It connects, the horizontally-supported top for being erected at vertical supporting frame.
Pedestal includes the two rows of I-steel 11 for being located at bottom, and vertical supporting frame includes steel pipe, the work of steel pipe and lower base
Word steel 11 welds, and the upper end of steel pipe and the horizontal shore of top weld.
Horizontal shore is welded using five row's steel pipes and vertical supporting frame.
The I-steel 11 for the lower end and bottom that supporting steel pipe 21 is fixed in lifting positioning is welded and fixed, and adjusts supporting steel pipe 22
The horizontal shore of upper end and top welds.
Operation platform system 3 includes longitudinal steel pipe, lateral steel pipe and bar-mat reinforcement 31, and longitudinal steel pipe and lateral steel pipe are staggeredly set
It sets, bar-mat reinforcement 31 is laid on above longitudinal steel pipe and lateral steel pipe.
Operation platform system 3 further includes the extension type platform 32 being arranged at top, and extension type platform 32 can be transversely
Extend with longitudinal expansion or collapses to change platform size.
Extension type platform 32 includes longitudinally fixed steel pipe 33, longitudinally adjust steel pipe 34 and the second bolt 35, longitudinally adjust
Steel pipe 34, which is plugged in longitudinally fixed steel pipe 33 and adjusts longitudinally adjust steel pipe 34 by the second bolt 35, is inserted into longitudinally fixed steel
The length of pipe 33.
Mobile system includes mainly 11 notch of I-steel being installed under rack cross-brace steel pipe, is assisted by loading machine
Carry out the movement of rack.
In the present embodiment, the first bolt 23 and the second bolt 35 are reinforcing bar bolt.
The concrete operations flow that the utility model liftable adjustable type tunnel multi-step excavates rack is：（1）Excavate rack
In place, after the progress of top bar place is smooth, rack is moved to by face using loading machine, face carries out jewel hole, powder charge.
（2）It is moved to middle step by rack is excavated using loading machine, is coordinated using loading machine and excavates rack jacking system, it will
It excavates rack to rise, carries out blowing out operation of slagging tap.
（3）Coordinated using loading machine and excavate rack jacking system, will excavate rack reduces, and is moved to face, is stood
Frame and spray operation.
（4）According to above-mentioned（1）Extremely（3）Repetitive cycling.
The utility model has the following advantages compared with existing excavation rack：（1）It is face due to liftable rack
Mucking machine equipment（Excavator, dump truck, loading machine）The working space for providing bigger, reduces the activity duration of slagging tap.
（2）It relieves multi-step and excavates rack processing limitation, rack levels, width are no longer influenced by limitation, are jewel hole, vertical
Frame, spray operation provide more convenient operating platform and space, reduce the activity duration of the above process.
（3）Solve the problems, such as that inverted arch is excavated is influenced by staging position is excavated, and is accelerated inverted arch operation, is further ensured that and faces upward
Encircle safe step pitch.
（4）It is suitable for country rock and quickly changes the conversion of section excavation method process, when country rock improves, using rack lifting, adjust
Section system can be changed to two bench excavation racks, when country rock is deteriorated, can be changed to remaining core soil in advance using rack lifting, regulating system
Three steps, seven step excavates rack or four step multisteps excavate rack.
（5）It is adjusted using Liftable type and excavates rack, more working spaces can be created to subsequent handling, improve work effect
Rate shortens circulation time.
It is excavated and is illustrated with three steps, seven step, excavated rack using the utility model liftable adjustable type tunnel multi-step and pass
It is as follows that system excavates rack circulation time operation contrast table：
| Project | Drillhole blasting（h） | It slags tap（h） | Just spray（h） | Anchor pole, stand（h） | Multiple spray（h） | It amounts to（h） |
| Tradition excavates rack | 2.5 | 7.5 | 1.5 | 5.5 | 4.0 | 21 |
| The utility model Liftable type, which is adjusted, excavates rack | 2.0 | 5.5 | 1.5 | 4.5 | 3.5 | 17 |
Embodiment described above is only the preferred embodiment lifted to absolutely prove the utility model, the utility model
Protection domain it is without being limited thereto.Those skilled in the art on the basis of the utility model made by equivalent substitute or change
It changes, both is within the protection scope of the present invention.The scope of protection of the utility model is subject to claims.
Claims (9)
1. a kind of liftable adjustable type tunnel multi-step excavates rack, it is characterised in that:Including support system, vertical lift system
System, operation platform system and mobile system；The support system is used to support the vertical lift system and the operating platform
System, the operation platform system are set to the top of the vertical lift system, and the whole of mobile system driving rack moves
It is dynamic；The vertical lift system includes the fixed supporting steel pipe of lifting positioning, adjusts supporting steel pipe and the first bolt, and the lifting is fixed
The lower end of the fixed supporting steel pipe in position is fixedly connected with the support system, and the upper end of the fixed supporting steel pipe of lifting positioning plugs
In in the adjusting supporting steel pipe, fixed supporting steel pipe and the adjusting supporting steel pipe upper edge side vertically are positioned in the lifting
To the circular hole for being correspondingly provided with several limits, positioned in first bolt a pair of of circular hole installed therein with connecting the lifting
Fixed supporting steel pipe and the adjusting supporting steel pipe.
2. liftable adjustable type according to claim 1 tunnel multi-step excavates rack, it is characterised in that:The support system
System includes pedestal, vertical supporting frame and horizontal shore, and the lower end of the vertical supporting frame is fixedly connected with the pedestal, described
The horizontally-supported top for being erected at the vertical supporting frame.
3. liftable adjustable type according to claim 2 tunnel multi-step excavates rack, it is characterised in that:The pedestal packet
The two rows of I-steel for being located at bottom are included, the vertical supporting frame includes steel pipe, and the I-steel welding of steel pipe and lower base is described
The upper end of steel pipe and the horizontal shore of top weld.
4. liftable adjustable type according to claim 3 tunnel multi-step excavates rack, it is characterised in that:The horizontal branch
Support is welded using five row's steel pipes and the vertical supporting frame.
5. liftable adjustable type according to claim 4 tunnel multi-step excavates rack, it is characterised in that:The lifting is fixed
The lower end of the fixed supporting steel pipe in position and the I-steel of bottom are welded and fixed, the level of the upper end and top for adjusting supporting steel pipe
Supporting rack welds.
6. liftable adjustable type according to claim 1 tunnel multi-step excavates rack, it is characterised in that:The operation is flat
Platform system includes longitudinal steel pipe, lateral steel pipe and bar-mat reinforcement, and the longitudinal direction steel pipe and the lateral steel pipe are staggered, the steel
Muscle net laying is located above longitudinal steel pipe and the lateral steel pipe.
7. liftable adjustable type according to claim 6 tunnel multi-step excavates rack, it is characterised in that:The operation is flat
Platform system further includes the extension type platform being arranged at top.
8. liftable adjustable type according to claim 7 tunnel multi-step excavates rack, it is characterised in that:It is described scalable
Formula platform includes longitudinally fixed steel pipe, longitudinally adjust steel pipe and the second bolt, and the longitudinally adjust steel pipe is plugged in the fixation
The length that the longitudinally adjust steel pipe is inserted into the longitudinally fixed steel pipe is adjusted in steel pipe and by second bolt.
9. liftable adjustable type according to claim 8 tunnel multi-step excavates rack, it is characterised in that:Described first inserts
Pin and second bolt are reinforcing bar bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820378843.9U CN208010356U (en) | 2018-03-20 | 2018-03-20 | A kind of liftable adjustable type tunnel multi-step excavates rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820378843.9U CN208010356U (en) | 2018-03-20 | 2018-03-20 | A kind of liftable adjustable type tunnel multi-step excavates rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208010356U true CN208010356U (en) | 2018-10-26 |
Family
ID=63889962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820378843.9U Active CN208010356U (en) | 2018-03-20 | 2018-03-20 | A kind of liftable adjustable type tunnel multi-step excavates rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208010356U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108457666A (en) * | 2018-03-20 | 2018-08-28 | 中建隧道建设有限公司 | A kind of liftable adjustable type tunnel multi-step excavates rack |
| CN110295920A (en) * | 2019-07-24 | 2019-10-01 | 中国葛洲坝集团第三工程有限公司 | A kind of automatic lifting assembling rack and its application method for tunnel excavation construction |
-
2018
- 2018-03-20 CN CN201820378843.9U patent/CN208010356U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108457666A (en) * | 2018-03-20 | 2018-08-28 | 中建隧道建设有限公司 | A kind of liftable adjustable type tunnel multi-step excavates rack |
| CN110295920A (en) * | 2019-07-24 | 2019-10-01 | 中国葛洲坝集团第三工程有限公司 | A kind of automatic lifting assembling rack and its application method for tunnel excavation construction |
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