CN111749712B - Tunnel construction equipment - Google Patents
Tunnel construction equipment Download PDFInfo
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- CN111749712B CN111749712B CN202010651164.6A CN202010651164A CN111749712B CN 111749712 B CN111749712 B CN 111749712B CN 202010651164 A CN202010651164 A CN 202010651164A CN 111749712 B CN111749712 B CN 111749712B
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- oil cylinder
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- 238000010276 construction Methods 0.000 title claims abstract description 23
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/102—Removable shuttering; Bearing or supporting devices therefor
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B23/00—Easily dismountable or movable tracks, e.g. temporary railways; Details specially adapted therefor
- E01B23/10—Shiftable tracks for heavy loads, e.g. carrying excavators
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
A tunnel construction device comprises a portal frame, a main beam, a support screw rod, a track traveling mechanism, a track, a jacking oil cylinder assembly, a balancing weight, a lining template, an inverted arch template and an adjusting mechanism; the jacking oil cylinder assembly comprises a cylinder barrel, a piston rod, a connecting sheet, a first cylinder base, a second cylinder base, supporting legs and connecting blocks; the track comprises guide ribs, the track travelling mechanism comprises a short guide piece and a long guide piece, and the short guide piece comprises a guide round block and a guide inclined plate; the portal comprises an oblique beam, a vertical beam, a cross beam and a longitudinal beam; the inverted arch template comprises an upper template and a lower template.
Description
Technical Field
The invention relates to the field of tunnel construction, in particular to tunnel construction equipment.
Background
In the construction process of various mine roadways, railway and highway tunnels, water conservancy culverts, various underground projects, high-rise building foundation pits, military projects and the like in China, the tunnel inverted arch is a reverse arch structure which is arranged at the bottom of a tunnel and is used for improving the stress condition of an upper supporting structure, is one of main components of the tunnel structure, and is used for effectively transmitting the formation pressure at the upper part of the tunnel to the underground through a tunnel side wall structure or the load on a road surface and also effectively resisting the counter force transmitted from the formation at the lower part of the tunnel. The inverted arch and the secondary lining form a whole tunnel, so that the structural stability is improved. In order to realize high-efficiency mechanized construction, tunnel construction equipment such as an inverted arch trolley is initially used.
In the practical use of the inverted arch trolley, the following problems exist:
1. the inverted arch trolley in the prior art comprises a rail, the trolley moves on the rail, however, as the height of the trolley is far larger than that of a conventional trolley and transverse adjustment operation is carried out in use, the stability between the trolley and the rail is very important, and the conventional trolley still adopts a conventional rail connection mode.
2. The inverted arch trolley in the prior art is large in size, and still needs to have certain flexibility in moving operation, so that the problem of how to select the specification of the jacking piston cylinder is difficult, and the piston cylinder with a smaller specification is still used in the prior art to adapt to the size, flexibility and installation performance.
3. The inverted arch trolley in the prior art only considers the use of the piston cylinder and does not consider the stability of the piston cylinder, and the stability of the piston cylinder needs to be considered because the trolley can be transversely adjusted and moved back and forth in use.
4. In the prior art, the base design of piston cylinder often is the problem of neglected, however the inverted arch platform truck is because bulky, and the base also must corresponding increase, does not have relevant design in stability and the economic nature prior art of how to guarantee the base.
5. The inverted arch trolley in the prior art has the problem of unbalanced gravity center because the length of a track is shorter than that of the trolley and construction processes such as tamping are needed.
6. In the inverted arch trolley in the prior art, the requirement on size matching is very high due to the requirement on accurate centering in a secondary lining process and an inverted arch construction process, but the problem of accurate centering is difficult to solve in the prior art.
Disclosure of Invention
In order to overcome the above problems, the present invention proposes a solution to solve the above problems simultaneously.
The technical scheme adopted by the invention for solving the technical problems is as follows: a tunnel construction device comprises a portal frame, a main beam, a support screw rod, a track traveling mechanism, a track, a jacking oil cylinder assembly, a balancing weight, a lining template, an inverted arch template and an adjusting mechanism; the jacking oil cylinder assembly comprises a cylinder barrel, a piston rod, a connecting sheet, a first cylinder base, a second cylinder base, supporting legs and connecting blocks; the track comprises guide ribs, the track travelling mechanism comprises a short guide piece and a long guide piece, and the short guide piece comprises a guide round block and a guide inclined plate; the portal comprises an oblique beam, a vertical beam, a cross beam and a longitudinal beam; the inverted arch template comprises an upper template and a lower template;
the vertical beam is arranged above the main beam, a cross beam and a longitudinal beam are connected above the vertical beam, the oblique beam plays a role in reinforcement, and a short beam is arranged between the oblique beam and the vertical beam; the lining template surrounds the main beam and the portal, and a telescopic mechanism is arranged on the main beam and connected with the lining template; the support screw rod is positioned below one end of the main beam, and the balancing weight is positioned above the other end of the main beam;
the adjusting mechanism comprises a horizontal oil cylinder, a lifting oil cylinder, a template oil cylinder, a sliding seat, a first sliding sleeve and a second sliding sleeve; the lifting oil cylinder is used for lifting the inverted arch template and bearing the weight of the inverted arch template, when the template oil cylinder is in a retraction state, the lower template is separated from a base plane, and when the horizontal oil cylinder is stretched, the position of the inverted arch template is transversely adjusted; the upper template and the lower template are hinged through a pin shaft, and can rotate relatively;
the lifting oil cylinder is connected to the main beam, the sliding seat is connected to the main beam, and the first sliding sleeve and the second sliding sleeve are connected to two ends of the sliding seat; the horizontal oil cylinder is connected between the first sliding sleeve and the second sliding sleeve; the second sliding sleeve is connected with the upper template through a connecting piece;
the track traveling mechanism is arranged above the track, the guide round block is provided with a straight groove, the straight groove is matched and connected with the guide rib, the number of the guide inclined plates is two, the guide round block is positioned between the two guide inclined plates, the lower surface of each guide inclined plate is higher than the lower surface of the track, and the lower surface of the long guide part is positioned below the lower surface of the track;
the cylinder barrel is positioned above the piston rod, the connecting piece is integrally arranged below the piston rod, and the connecting piece is connected with the first cylinder seat through a connecting piece; the second cylinder base is arranged below the first cylinder base, the area of the lower surface of the first cylinder base is smaller than that of the upper surface of the second cylinder base, the middle part of the second cylinder base is provided with supporting ribs, a supporting leg is arranged below the second cylinder base, and the supporting leg is arranged on one side of the lower end of the supporting leg; the connecting block is arranged above the cylinder barrel and drives the door frame and the main beam to lift through the connecting block.
Preferably, the track running mechanism further comprises a running wheel, and the running wheel is arranged on the upper surface of the track.
Preferably, the telescopic mechanism is a hydraulic cylinder.
Preferably, the counterweight is a concrete counterweight.
Preferably, the lower end of the long guide piece is attached to the lower end of the track.
Preferably, the lower end of the elongated guide member wraps around the lower end of the rail.
Preferably, the connecting member is a screw.
Preferably, there are four of said screws.
Preferably, the main beam is formed by connecting a plurality of rods.
Preferably, the plurality of rods comprise vertical rods, inclined rods, cross rods and longitudinal rods.
The invention has the beneficial effects that:
1. aiming at the 1 st point of the background technology, a long and short guide part matching mode is adopted, multi-point guiding improves guiding stability, long and short guiding is flexible and ensures stability, and structural difference guiding of the long and short guide parts ensures functionality and economy at the same time.
2. Aiming at the 2 nd point of the background technology, a mode that a cylinder barrel is arranged on the upper part, a piston rod is arranged on the lower part and the cylinder barrel moves is adopted, and the movement of a conventional piston cylinder is the movement of the piston rod. This application uses the cylinder to remove, has guaranteed bigger execution area to the platform truck of big volume of adaptation more has improved stability.
3. To the 3 rd point that the background art provided, through the integrative connection piece of design of piston rod, balanced when the relative cylinder seat of piston rod has rocking or slope, the rocking and the slope of the relative cylinder seat of piston rod has been avoided completely to the design of connection piece, better promotion stability.
4. To the 4 th point that the background art provided, through the design of two jar seats, first jar seat volume is less than the second jar seat, has compromise stability and economic nature simultaneously, has set up the support fin in the second jar seat simultaneously, has further compromise stability and economic nature.
5. To the 5 th point that the background art provided, set up the balancing weight, avoided because orbital length is shorter than the length of platform truck, and need have construction process such as tamping, the unbalanced problem of focus that consequently exists.
6. In view of the point 6 proposed in the background art, an adjustment mechanism is provided, so that the position of the carriage can be adjusted.
The foregoing designs are not sequential, each of which provides a distinct and significant advance in the present invention over the prior art.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a front plan view of the trolley of the present invention.
Fig. 2 is a three-dimensional view of the present invention.
FIG. 3 is a three-dimensional view of a lift cylinder of the present invention.
Fig. 4 is a plan view of the lift cylinder of the present invention.
Fig. 5 is a three-dimensional view of the track attachment location of the present invention.
Fig. 6 is a side plan view of the trolley of the present invention.
In the figures, the reference numerals are as follows:
1. the device comprises a portal frame 2, a main beam 3, a support screw rod 4, a surface to be excavated 5, an inverted arch 6, a track walking mechanism 7, inverted arch filling 8, a track 9, a jacking oil cylinder 10, a balancing weight 11, a lining template 12, a cylinder barrel 13, a piston rod 14, a connecting piece 15, a first cylinder seat 16, a supporting leg 17, a supporting leg 18, a second cylinder seat 19, a connecting block 20, a guide rib 21, a short guide 22, a long guide 23, a guide round block 24, a guide inclined plate 25, an inclined beam 26, a vertical beam 27, a cross beam 28, a longitudinal beam 29, an upper template 30, a lower template 31, a horizontal oil cylinder 32, a lifting oil cylinder 33, a template oil cylinder 34, a first sliding sleeve 341, a second sliding sleeve 35, a sliding seat 36 and a connecting piece.
Detailed Description
As shown in the figure: a tunnel construction device comprises a portal frame, a main beam, a support screw rod, a track traveling mechanism, a track, a jacking oil cylinder assembly, a balancing weight, a lining template, an inverted arch template and an adjusting mechanism; the jacking oil cylinder assembly comprises a cylinder barrel, a piston rod, a connecting sheet, a first cylinder base, a second cylinder base, supporting legs and connecting blocks; the track comprises guide ribs, the track travelling mechanism comprises a short guide piece and a long guide piece, and the short guide piece comprises a guide round block and a guide inclined plate; the portal comprises an oblique beam, a vertical beam, a cross beam and a longitudinal beam; the inverted arch template comprises an upper template and a lower template;
the vertical beam is arranged above the main beam, a cross beam and a longitudinal beam are connected above the vertical beam, the oblique beam plays a role in reinforcement, and a short beam is arranged between the oblique beam and the vertical beam; the lining template surrounds the main beam and the portal, and a telescopic mechanism is arranged on the main beam and connected with the lining template; the support screw rod is positioned below one end of the main beam, and the balancing weight is positioned above the other end of the main beam;
the adjusting mechanism comprises a horizontal oil cylinder, a lifting oil cylinder, a template oil cylinder, a sliding seat, a first sliding sleeve and a second sliding sleeve; when the lifting oil cylinder is in a lifting state, the lifting oil cylinder is used for erecting the inverted arch template and bearing the weight of the inverted arch template, when the template oil cylinder is in a retracting state, the lower template is separated from a base plane, and when the horizontal oil cylinder stretches out and draws back, the position of the inverted arch template is transversely adjusted; the upper template and the lower template are hinged through a pin shaft, and can rotate relatively;
the lifting oil cylinder is connected to the main beam, the sliding seat is connected to the main beam, and the first sliding sleeve and the second sliding sleeve are connected to two ends of the sliding seat; the horizontal oil cylinder is connected between the first sliding sleeve and the second sliding sleeve; the second sliding sleeve is connected with the upper template through a connecting piece;
the track traveling mechanism is arranged above the track, the guide round block is provided with a straight groove, the straight groove is matched and connected with the guide rib, the number of the guide inclined plates is two, the guide round block is positioned between the two guide inclined plates, the lower surface of each guide inclined plate is higher than the lower surface of the track, and the lower surface of the long guide part is positioned below the lower surface of the track;
the cylinder barrel is positioned above the piston rod, the connecting piece is integrally arranged below the piston rod, and the connecting piece is connected with the first cylinder seat through a connecting piece; the second cylinder base is arranged below the first cylinder base, the area of the lower surface of the first cylinder base is smaller than that of the upper surface of the second cylinder base, the middle part of the second cylinder base is provided with supporting ribs, a supporting leg is arranged below the second cylinder base, and the supporting leg is arranged on one side of the lower end of the supporting leg; the connecting block is arranged above the cylinder barrel and drives the door frame and the main beam to lift through the connecting block.
As shown in the figure: the track travelling mechanism further comprises a travelling wheel, and the travelling wheel is arranged on the upper surface of the track. The telescopic mechanism is a hydraulic cylinder. The balancing weight is a concrete balancing weight. The lower end of the long guide piece is attached to the lower end of the track. The lower end of the long guide piece wraps the lower end of the track. The connecting piece is a screw. The number of the screws is four. The main beam is formed by connecting a plurality of rods. The multiple rods comprise vertical rods, inclined rods, transverse rods and longitudinal rods.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A tunnel construction equipment which characterized in that: the device comprises a portal frame, a main beam, a support screw rod, a track walking mechanism, a track, a jacking oil cylinder assembly, a balancing weight, a lining template, an inverted arch template and an adjusting mechanism; the jacking oil cylinder assembly comprises a cylinder barrel, a piston rod, a connecting sheet, a first cylinder base, a second cylinder base, supporting legs and connecting blocks; the track comprises guide ribs, the track travelling mechanism comprises a short guide piece and a long guide piece, and the short guide piece comprises a guide round block and a guide inclined plate; the portal comprises an oblique beam, a vertical beam, a cross beam and a longitudinal beam; the inverted arch template comprises an upper template and a lower template;
the vertical beam is arranged above the main beam, a cross beam and a longitudinal beam are connected above the vertical beam, the oblique beam plays a role in reinforcement, and a short beam is arranged between the oblique beam and the vertical beam; the lining template surrounds the main beam and the portal, and a telescopic mechanism is arranged on the main beam and connected with the lining template; the support screw rod is positioned below one end of the main beam, and the balancing weight is positioned above the other end of the main beam;
the adjusting mechanism comprises a horizontal oil cylinder, a lifting oil cylinder, a template oil cylinder, a sliding seat, a first sliding sleeve and a second sliding sleeve; the lifting oil cylinder is used for lifting the inverted arch template and bearing the weight of the inverted arch template, when the template oil cylinder is in a retraction state, the lower template is separated from a base plane, and when the horizontal oil cylinder is stretched, the position of the inverted arch template is transversely adjusted; the upper template and the lower template are hinged through a pin shaft, and can rotate relatively;
the lifting oil cylinder is connected to the main beam, the sliding seat is connected to the main beam, and the first sliding sleeve and the second sliding sleeve are connected to two ends of the sliding seat; the horizontal oil cylinder is connected between the first sliding sleeve and the second sliding sleeve; the second sliding sleeve is connected with the upper template through a connecting piece;
the track traveling mechanism is arranged above the track, the guide round block is provided with a straight groove, the straight groove is matched and connected with the guide rib, the number of the guide inclined plates is two, the guide round block is positioned between the two guide inclined plates, the lower surface of each guide inclined plate is higher than the lower surface of the track, and the lower surface of the long guide part is positioned below the lower surface of the track;
the cylinder barrel is positioned above the piston rod, the connecting piece is integrally arranged below the piston rod, and the connecting piece is connected with the first cylinder seat through a connecting piece; the second cylinder base is arranged below the first cylinder base, the area of the lower surface of the first cylinder base is smaller than that of the upper surface of the second cylinder base, the middle part of the second cylinder base is provided with supporting ribs, a supporting leg is arranged below the second cylinder base, and the supporting leg is arranged on one side of the lower end of the supporting leg; the connecting block is arranged above the cylinder barrel and drives the door frame and the main beam to lift through the connecting block.
2. The tunnel construction apparatus according to claim 1, wherein: the track travelling mechanism further comprises a travelling wheel, and the travelling wheel is arranged on the upper surface of the track.
3. The tunnel construction apparatus according to claim 1, wherein: the telescopic mechanism is a hydraulic cylinder.
4. The tunnel construction apparatus according to claim 1, wherein: the balancing weight is a concrete balancing weight.
5. The tunnel construction apparatus according to claim 1, wherein: the lower end of the long guide piece is attached to the lower end of the track.
6. The tunnel construction apparatus according to claim 5, wherein: the lower end of the long guide piece wraps the lower end of the track.
7. The tunnel construction apparatus according to claim 1, wherein: the connecting piece is a screw.
8. The tunnel construction apparatus according to claim 7, wherein: the number of the screws is four.
9. The tunnel construction apparatus according to claim 1, wherein: the main beam is formed by connecting a plurality of rods.
10. The tunnel construction apparatus according to claim 9, wherein: the multiple rods comprise vertical rods, inclined rods, transverse rods and longitudinal rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010651164.6A CN111749712B (en) | 2020-07-08 | 2020-07-08 | Tunnel construction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010651164.6A CN111749712B (en) | 2020-07-08 | 2020-07-08 | Tunnel construction equipment |
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| Publication Number | Publication Date |
|---|---|
| CN111749712A CN111749712A (en) | 2020-10-09 |
| CN111749712B true CN111749712B (en) | 2021-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010651164.6A Active CN111749712B (en) | 2020-07-08 | 2020-07-08 | Tunnel construction equipment |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007291794A (en) * | 2006-04-27 | 2007-11-08 | Kumagai Gumi Co Ltd | Form device |
| CN103195450A (en) * | 2013-04-03 | 2013-07-10 | 湖南远东钢模电子科技有限责任公司 | Hydraulic tunnel inverted arch operation trolley and inverted arch construction method |
| JP2013241794A (en) * | 2012-05-22 | 2013-12-05 | Maeda Corp | Telescopic type mold device |
| CN106593469A (en) * | 2016-12-02 | 2017-04-26 | 中铁五局集团第工程有限责任公司 | Trolley for construction of inverted arch |
| CN206972255U (en) * | 2017-05-04 | 2018-02-06 | 中铁十一局集团第一工程有限公司 | A kind of tunnel inverted arch construction trolley |
-
2020
- 2020-07-08 CN CN202010651164.6A patent/CN111749712B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007291794A (en) * | 2006-04-27 | 2007-11-08 | Kumagai Gumi Co Ltd | Form device |
| JP2013241794A (en) * | 2012-05-22 | 2013-12-05 | Maeda Corp | Telescopic type mold device |
| CN103195450A (en) * | 2013-04-03 | 2013-07-10 | 湖南远东钢模电子科技有限责任公司 | Hydraulic tunnel inverted arch operation trolley and inverted arch construction method |
| CN106593469A (en) * | 2016-12-02 | 2017-04-26 | 中铁五局集团第工程有限责任公司 | Trolley for construction of inverted arch |
| CN206972255U (en) * | 2017-05-04 | 2018-02-06 | 中铁十一局集团第一工程有限公司 | A kind of tunnel inverted arch construction trolley |
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| CN111749712A (en) | 2020-10-09 |
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