CN111749709B - Stable inverted arch trolley - Google Patents
Stable inverted arch trolley Download PDFInfo
- Publication number
- CN111749709B CN111749709B CN202010650735.4A CN202010650735A CN111749709B CN 111749709 B CN111749709 B CN 111749709B CN 202010650735 A CN202010650735 A CN 202010650735A CN 111749709 B CN111749709 B CN 111749709B
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- Prior art keywords
- track
- guide
- inverted arch
- cylinder
- cylinder base
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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 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
Abstract
A stable inverted arch trolley comprises a portal, a main beam, a support screw rod, a rail traveling mechanism, a rail, a jacking oil cylinder assembly, a balancing weight and a template; 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 track walking mechanism is arranged above the track, the guide round block is provided with a linear groove, and the linear groove is connected with the guide rib in a matched mode.
Description
Technical Field
The invention relates to the field of tunnel construction, in particular to a stable inverted arch trolley.
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, 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.
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 stable inverted arch trolley comprises a portal, a main beam, a support screw rod, a rail traveling mechanism, a rail, a jacking oil cylinder assembly, a balancing weight and a template; 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 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 template surrounds the main beam and the portal, and a telescopic mechanism is arranged on the main beam and connected with the 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 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.
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 plan view 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.
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 traveling mechanism 7, inverted arch filling 8, a track 9, a jacking oil cylinder 10, a balancing weight 11, a template 12, a cylinder barrel 13, a piston rod 14, a connecting piece 15, a first cylinder base 16, a supporting leg 17, a supporting leg 18, a second cylinder base 19, a connecting block 20, a guide rib 21, a short guide piece 22, a long guide piece 23, a guide round block 24, a guide inclined plate 25, an inclined beam 26, a vertical beam 27, a cross beam 28 and a longitudinal beam.
Detailed Description
As shown in the figure: a stable inverted arch trolley comprises a portal, a main beam, a support screw rod, a rail traveling mechanism, a rail, a jacking oil cylinder assembly, a balancing weight and a template; 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 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 template surrounds the main beam and the portal, and a telescopic mechanism is arranged on the main beam and connected with the 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;
as shown in the figure: 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. The utility model provides a steady formula invert platform truck which characterized in that: the 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 and a template; 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 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 template surrounds the main beam and the portal, and a telescopic mechanism is arranged on the main beam and connected with the 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 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. A stationary inverted arch trolley 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. A stationary inverted arch trolley according to claim 1, wherein: the telescopic mechanism is a hydraulic cylinder.
4. A stationary inverted arch trolley according to claim 1, wherein: the balancing weight is a concrete balancing weight.
5. A stationary inverted arch trolley according to claim 1, wherein: the lower end of the long guide piece is attached to the lower end of the track.
6. A stationary inverted arch trolley according to claim 5, wherein: the lower end of the long guide piece wraps the lower end of the track.
7. A stationary inverted arch trolley according to claim 1, wherein: the connecting piece is a screw.
8. A stationary inverted arch trolley according to claim 7, wherein: the number of the screws is four.
9. A stationary inverted arch trolley according to claim 1, wherein: the main beam is formed by connecting a plurality of rods.
10. A stationary inverted arch trolley 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 |
|---|---|---|---|
| CN202010650735.4A CN111749709B (en) | 2020-07-08 | 2020-07-08 | Stable inverted arch trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010650735.4A CN111749709B (en) | 2020-07-08 | 2020-07-08 | Stable inverted arch trolley |
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| Publication Number | Publication Date |
|---|---|
| CN111749709A CN111749709A (en) | 2020-10-09 |
| CN111749709B true CN111749709B (en) | 2021-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010650735.4A Active CN111749709B (en) | 2020-07-08 | 2020-07-08 | Stable inverted arch trolley |
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| CN (1) | CN111749709B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116291627B (en) * | 2023-05-17 | 2023-07-25 | 山西八方电气股份有限公司 | Roadway reinforcement device for coal mine engineering and reinforcement method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH074193A (en) * | 1993-06-17 | 1995-01-10 | Takenaka Komuten Co Ltd | Invert concrete compaction and leveling devices for shield excavation work |
| JPH11131990A (en) * | 1997-10-28 | 1999-05-18 | Ohbayashi Corp | Method and device for placing invert concrete |
| JP2001173386A (en) * | 1999-12-16 | 2001-06-26 | Maeda Corp | Concrete placing equipment using invert formwork and method therefor |
| JP2003232196A (en) * | 2002-02-06 | 2003-08-22 | Kajima Corp | Tunnel invert construction method and device for the same |
| JP2006336259A (en) * | 2005-05-31 | 2006-12-14 | Ohbayashi Corp | Tunnel invert construction method and movable pier |
| CN2921280Y (en) * | 2006-05-12 | 2007-07-11 | 中铁西南科学研究院有限公司 | Tunnel invert form trolley with floating running chassis |
| CN202970732U (en) * | 2012-12-17 | 2013-06-05 | 山东铁鹰建设工程有限公司 | Subway tunnel inverted arch concrete lining trolley |
| 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 |
| CN110656958A (en) * | 2019-10-15 | 2020-01-07 | 中铁五局集团第一工程有限责任公司 | Steady formula construction equipment |
-
2020
- 2020-07-08 CN CN202010650735.4A patent/CN111749709B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH074193A (en) * | 1993-06-17 | 1995-01-10 | Takenaka Komuten Co Ltd | Invert concrete compaction and leveling devices for shield excavation work |
| JPH11131990A (en) * | 1997-10-28 | 1999-05-18 | Ohbayashi Corp | Method and device for placing invert concrete |
| JP2001173386A (en) * | 1999-12-16 | 2001-06-26 | Maeda Corp | Concrete placing equipment using invert formwork and method therefor |
| JP2003232196A (en) * | 2002-02-06 | 2003-08-22 | Kajima Corp | Tunnel invert construction method and device for the same |
| JP2006336259A (en) * | 2005-05-31 | 2006-12-14 | Ohbayashi Corp | Tunnel invert construction method and movable pier |
| CN2921280Y (en) * | 2006-05-12 | 2007-07-11 | 中铁西南科学研究院有限公司 | Tunnel invert form trolley with floating running chassis |
| CN202970732U (en) * | 2012-12-17 | 2013-06-05 | 山东铁鹰建设工程有限公司 | Subway tunnel inverted arch concrete lining trolley |
| 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 |
| CN110656958A (en) * | 2019-10-15 | 2020-01-07 | 中铁五局集团第一工程有限责任公司 | Steady formula construction equipment |
Non-Patent Citations (1)
| Title |
|---|
| 仰拱台车的设计与施工技术;邓满林等;《企业技术开发》;20190331;第38卷(第3期);第17-19页 * |
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| Publication number | Publication date |
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| CN111749709A (en) | 2020-10-09 |
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