CN208950605U - Large span propelled tunnel inverted arch trestle - Google Patents
Large span propelled tunnel inverted arch trestle Download PDFInfo
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- CN208950605U CN208950605U CN201821738207.9U CN201821738207U CN208950605U CN 208950605 U CN208950605 U CN 208950605U CN 201821738207 U CN201821738207 U CN 201821738207U CN 208950605 U CN208950605 U CN 208950605U
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- bridge
- host bridge
- inverted arch
- large span
- walking component
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Abstract
The utility model belongs to tunnel inverted arch technical field of construction.A kind of large span propelled tunnel inverted arch trestle, including main bridge, preceding access bridge and rear access bridge, matching is provided with transport trolley in host bridge, and host bridge bottom is provided with front support leg and rear end supporting leg；Leading bridge pin, which connects, to be arranged in host bridge front end, and the first driving assembly is provided in host bridge；Access bridge pivot joint afterwards is arranged in host bridge rear end, and the second driving assembly is provided in host bridge；The both ends of host bridge, which respectively correspond, is provided with the first walking component and the second walking component, and the first walking component and the second walking component can be relative to host bridge lifting and spinning movements.The utility model overall construction design is reasonable, and splicing structure, the design of front and back walking support construction and the structure design of transport trolley of main bridge can greatly improve working space, optimize the processing step of operation, improve the effect of construction.
Description
Technical field
The utility model belongs to tunnel inverted arch technical field of construction, and in particular to a kind of large span self-propelled tunnel inverted arch stack
Bridge.
Background technique
Tunnel inverted arch trestle is can to accelerate to construct to solve inverted arch construction with area surface construction and cross vehicle interference problem
Progress.The trestle of 12m span is using more at present, and it is primary to meet 12m inverted arch template construction in construction, needs to wait for concrete
It just can be carried out subsequent cycle construction after solidification, influence construction speed.
In order to realize, continuously circulation is constructed, and is improved the efficiency of construction, is needed to carry out new design to the structure of entire trestle,
The requirement of the requirement, flexibility of its stability for meeting driving and the requirement of assembling structure.
Summary of the invention
The purpose of the present invention is in view of the above problems and insufficient, provide it is a kind of reasonable in design, can be on bridge
Inverted arch is excavated, and structure is simple, on-site consolidation is conveniently, it can be achieved that the large span self-propelled tunnel in 24m inverted arch open shop scheduling space
Inverted arch trestle.
In order to achieve the above objectives, it is adopted the technical scheme that:
A kind of large span propelled tunnel inverted arch trestle, comprising: main bridge, matching is provided with transport trolley in host bridge,
Host bridge bottom is provided with front support leg and rear end supporting leg；Preceding access bridge, pivot joint are arranged in host bridge front end, and
The first driving assembly of access bridge pitching motion before driving is provided in host bridge；And rear access bridge, pivot joint are arranged in institute
Main bridge rear end is stated, and is provided in host bridge the second driving assembly of access bridge pitching motion after driving；Wherein, host bridge
Both ends respectively correspond be provided with the first walking component and second walking component, it is described first walking component and it is described second walking
Component can be gone up and down relative to host bridge and spinning movement.
According to the utility model large span propelled tunnel inverted arch trestle, it is preferable that host bridge includes: disposed in parallel
Two box beams, and the box beam is the box beam unit splicing connection of Multi sectional；And the lateral connection on the inside of the box beam is set
Fixation is bolted in beam, corresponding two lateral connections beam.
According to the utility model large span propelled tunnel inverted arch trestle, it is preferable that be provided with diaphragm plate in the box beam
With reinforce strength rib, be provided with connecting flange between the box beam unit of adjacent two section, and fixation is bolted；Institute
It states and is provided with non-slip steel at the top of box beam.
According to the utility model large span propelled tunnel inverted arch trestle, it is preferable that the first driving assembly and the second driving
Component includes: drive cylinder；With oil cylinder support base, the oil cylinder support base setting is in host bridge end, the driving oil
Wherein one end of cylinder and the oil cylinder support base are pivotally connected, and the other end of drive cylinder is pivotally connected with corresponding preceding access bridge or rear access bridge.
According to the utility model large span propelled tunnel inverted arch trestle, it is preferable that the preceding access bridge and rear access bridge lower part
It is provided with access bridge support.
According to the utility model large span propelled tunnel inverted arch trestle, it is preferable that the first walking component setting exists
Host bridge front end, the first walking component includes: traveling crawler；And the first lifting drive push rod, first lifting
The both ends of power push-rod are connect with traveling crawler and host bridge respectively, and are respectively provided on the traveling crawler and host bridge
The guide sleeve for thering is matching to slide；Steering cylinder, the steering oil are additionally provided between the traveling crawler and host bridge
Cylinder drives the traveling crawler relative to host bridge beat go to action.
According to the utility model large span propelled tunnel inverted arch trestle, it is preferable that host bridge front lower portion is provided with
Support frame, the front support leg and the first walking component are arranged on support frame as described above.
According to the utility model large span propelled tunnel inverted arch trestle, it is preferable that the second walking component setting exists
Host bridge rear end, the second walking component includes: traveling wheel group, is provided in the traveling wheel group and host bridge
The guide sleeve of sliding is matched, the traveling wheel group pivot joint is arranged in the corresponding guide sleeve lower part；And second lifting
Power push-rod, the second lifting drive push rod drive the guide sleeve sliding extension, and the traveling wheel group is gone up and down
Movement.
According to the utility model large span propelled tunnel inverted arch trestle, it is preferable that the front support leg and rear end branch
Support leg includes；Main supporting leg is in hollow cavity structure, and is provided with adjusting screw in main supporting leg；Screw rod is adjusted,
Matching setting matches in the main supporting leg, and with the adjusting screw；And hemispherical stabilizer blade, it is arranged in the adjusting
Screw rod lower part, and can be around the adjusting screw rod rotary oscillation.
According to the utility model large span propelled tunnel inverted arch trestle, it is preferable that be correspondingly arranged in main bridge two sides
Transport trolley, the transport trolley include: driving wheel, and the capstan drive is connected with driving motor and speed reducer；Driven wheel,
Transmission chain is laid between the driving wheel and driven wheel；And trolley body, matching are arranged in host bridge side, and
It is moved back and forth with the transmission chain along host bridge.
By adopting the above technical scheme, acquired beneficial effect is:
The utility model overall construction design is reasonable, the splicing structure of main bridge, front and back walking support construction design, with
And the structure design of transport trolley, working space can be greatly improved, the processing step of operation is optimized, improves the effect of construction.
The application overall structure is designed using assembled structure, can greatly improve the efficiency of its installation assembly, it is convenient into
Row conveying；It by the design of a variety of support construction forms, can ensure under different working conditions, be walked or supported,
To ensure the stationarity of whole equipment and the adaptability to surface condition；Furthermore the application can be realized walking and it is traversing,
Flexibility is higher.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, hereinafter by the attached drawing to the embodiment of the present invention into
Row is simple to be introduced.Wherein, attached drawing is used only for showing some embodiments of the present invention, rather than whole embodiments of the invention are limited
It is formed on this.
Fig. 1 is the structural schematic diagram according to the large span propelled tunnel inverted arch trestle of the embodiment of the present invention, it illustrates
The positional relationship of each component.
Fig. 2 is the overlooking structure diagram of Fig. 1.
Fig. 3 is the section structure diagram according to the main bridge of the embodiment of the present invention.
Fig. 4 is the structural schematic diagram according to the main bridge interface of the embodiment of the present invention.
Fig. 5 be Fig. 1 in A-A to structural schematic diagram.
Fig. 6 is the structural schematic diagram of B-B direction in Fig. 1.
Fig. 7 be Fig. 1 in C-C to structural schematic diagram.
Fig. 8 is the attachment structure schematic diagram of angling cylinder.
Serial number in figure:
100 be main bridge, 101 be box beam, 102 be lateral connection beam, 103 be diaphragm plate, 104 be reinforce strength rib, 105 be company
Acting flange, 106 be non-slip steel, 107 be bolt, 110 be front support leg, 111 be main supporting leg, 112 be adjust screw rod,
113 it is hemispherical stabilizer blade, 120 be rear end supporting leg, 131 be driving wheel, 132 be driven wheel, 133 be transmission chain, 134 is trolley
Ontology, 135 be motor direct-connection type speed reducer, 140 be support frame；
210 for preceding access bridge, 220 be rear access bridge, 201 be drive cylinder, 202 be oil cylinder support base, 203 be access bridge support；
300 for first walking component, 301 be traveling crawler, 302 be the first lifting drive push rod, 303 be guide sleeve,
304 it is steering cylinder, 305 be the first otic placode, 306 is the second otic placode；
400 be the second walking component, 401 be traveling wheel group, 402 is the second lifting drive push rod.
Specific embodiment
In order to enable the purpose of technical solution of the present invention, technical characteristic and technical effect are clearer, it hereinafter will knot
The attached drawing for closing the specific embodiment of the invention, is clearly and completely described the exemplary scenario of the embodiment of the present invention.
Referring to Fig. 1-Fig. 8, a kind of large span propelled tunnel inverted arch trestle of the utility model, including main bridge 100, preceding access bridge
210 and rear access bridge 220, matching is provided with transport trolley on main bridge 100, and main 100 bottom of bridge is provided with 110 He of front support leg
Rear end supporting leg 120；The preceding pivot joint of access bridge 210 is arranged in main 100 front end of bridge, and is provided with the preceding access bridge pitching of driving on main bridge and moves
The first driving assembly made；The pivot joint of access bridge 220 is arranged in main 100 rear end of bridge afterwards, and is provided on main bridge 100 access bridge after driving
Second driving assembly of pitching motion；Wherein, the both ends of main bridge 100, which respectively correspond, is provided with the first walking component 300 and second
Walking component 400, the first walking component 300 and the second walking component 400 can be relative to the lifting of main bridge 100 and spinning movements.
Main bridge 100 includes two box beam 101 disposed in parallel and the lateral connection beam 102 that 101 inside of box beam is arranged in, box beam
101 connect for the box beam unit splicing of Multi sectional, as shown, using three sections of box beam unit spliceds at single case in the present embodiment
Beam facilitates on-site consolidation；Corresponding two lateral connections beam 102 is connected and fixed by bolt 107；Diaphragm plate is provided in box beam
103 and reinforce strength rib 104, connecting flange 105 is welded between the box beam unit of adjacent two section, and connect by bolt 107
It is fixed；The top of box beam 101 is provided with non-slip steel 106, is welded at the top of box beam by three pieces of outside plates, facilitated vehicle.
The first driving assembly and the second driving assembly in the present embodiment include drive cylinder 201 and oil cylinder support base
202, the setting of oil cylinder support base 202 is pivotally connected in main 100 end of bridge, wherein one end of drive cylinder 201 and oil cylinder support base 202,
The other end of drive cylinder 201 is pivotally connected with corresponding preceding access bridge 210 or rear access bridge 220；For access bridge before further improving and
The stability of access bridge afterwards is provided with access bridge support 203 in preceding access bridge and rear access bridge lower part.
The first walking component 300 setting includes that walking is carried out in main 100 front end of bridge, the first walking component 300 in the present embodiment
Band 301 and the first lifting drive push rod 302, the both ends of the first lifting drive push rod 302 respectively with traveling crawler 301 and main bridge
100 connections, and the guide sleeve 303 for matching sliding is provided on traveling crawler 301 and main bridge 100, i.e., in main bridge and row
It walks and is provided with guide sleeve on crawler belt, and match and be slidably socketed；It is additionally provided with and turns between traveling crawler 301 and main bridge 100
To oil cylinder 304, steering cylinder 304 drives traveling crawler 301 relative to main 100 beat go to action of bridge；In the present embodiment in order to
It is further to improve stability, main 100 front lower portion of bridge is also provided with support frame 140, front support leg 110 and the first walking
Component is arranged on the support frame, can drive branch by the pin-jointed structure between support frame and main bridge, and by steering cylinder 304
Support 140 simultaneously drives traveling crawler 301 to rotate integrally, or is pivotally connected by 301 top of traveling crawler with corresponding guide sleeve,
Traveling crawler 301 is driven to turn round relative to guide sleeve and support frame 140 by angling cylinder 304, such as the first otic placode in Fig. 8
305 are welded on the rotation shaft flange of traveling crawler, and the second otic placode 306 welds on the support frame, and angling cylinder is connected to first
On otic placode 305 and the second otic placode 306, to drive traveling crawler spinning movement.
In main 100 rear end of bridge, the second walking component 400 includes traveling wheel group 401 and second for second walking component 400 setting
Lifting drive push rod 402 is provided with the guide sleeve 303 of matching sliding, traveling wheel in traveling wheel group 401 and main bridge 100
401 pivot joint of group is arranged in corresponding 303 lower part of guide sleeve；The driving sliding of guide sleeve 303 of second lifting drive push rod 400 is stretched
Contracting, and make 401 lifting action of traveling wheel group.
Wherein traveling wheel group can drive the rotation of traveling wheel group by mechanical mechanism, can also pass through manual rotation；First
Walking component and the second walking component can be realized lifting and the rotation of 90 ° of left and right, so as to which the traversing of trestle is adjusted flexibly.
Front support leg 110 and rear end supporting leg 120 include main supporting leg 111, adjust screw rod 112 and hemispherical stabilizer blade
113, main supporting leg 111 is in hollow cavity structure, and is provided with adjusting screw in main supporting leg 111；Screw rod 112 is adjusted to match
It is arranged in main supporting leg 111, and matched with screw is adjusted；The setting of hemispherical stabilizer blade 113 is adjusting 112 lower part of screw rod, and energy
Enough around adjusting 113 rotary oscillation of screw rod；The big height difference on support ground is avoided, hemispherical support is set under screw rod, adapts to ground
It is uneven.
It is provided with transport trolley in main 100 two sides of bridge, transport trolley includes driving wheel 131, driven wheel 132 and trolley sheet
Body 134, driving wheel 131 are sequentially connected with driving motor and speed reducer；Transmission chain is laid between driving wheel and driven wheel
133；Trolley body 134 matching setting is moved back and forth in main bridge side, and with the transmission chain along main bridge 100, driving motor with
Speed reducer uses motor direct-connection type speed reducer 135, and driving wheel and driven wheel are socket sprocket wheel；Transport trolley, which is mainly used for driving, to be faced upward
Encircle template and Central drain template movement.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, same or similar part may refer to each other between each embodiment.
Unless otherwise defined, the technical term or scientific term used herein should be in fields of the present invention and has
The ordinary meaning that the personage of general technical ability is understood." first " used in present specification and claims, " the
Two " and similar word be not offered as any sequence, quantity or importance, and be used only to distinguish different composition portions
Point.Equally, the similar word such as "one" or " one " also not necessarily indicates quantity limitation." comprising " or "comprising" etc. are similar
Word means that the element or object that occur before the word are covered the element for appearing in the word presented hereinafter or object and its be equal,
And it is not excluded for other elements or object." connection " either the similar word such as " connected " not now due to physics or mechanical
Connection, but may include electrical connection, it is either direct or indirect."upper", "lower", "left", "right" etc. are only used
In indicating relative positional relationship, after the absolute position for being described object changes, then the relative positional relationship may also be correspondingly
Change.
It is described in detail exemplary embodiment of the invention above in reference to preferred embodiment, however art technology
Personnel it will be appreciated that under the premise of without departing substantially from theory of the present invention, above-mentioned specific embodiment can be made a variety of modifications and
Remodeling, and multiple combinations can be carried out to each technical characteristic proposed by the present invention, structure, and without departing from protection model of the invention
It encloses, protection scope of the present invention is determined by the attached claims.
Claims (10)
1. a kind of large span propelled tunnel inverted arch trestle characterized by comprising
Main bridge, matching is provided with transport trolley in host bridge, and host bridge bottom is provided with front support leg and rear end branch
Support leg；
Preceding access bridge, pivot joint are arranged in host bridge front end, and are provided in host bridge and drive preceding access bridge pitching motion
First driving assembly；And
Access bridge afterwards, pivot joint are arranged in host bridge rear end, and are provided in host bridge access bridge pitching motion after driving
Second driving assembly；
Wherein, the both ends of host bridge, which respectively correspond, is provided with the first walking component and the second walking component, first walking
Component and the second walking component can be relative to host bridge lifting and spinning movements.
2. large span propelled tunnel inverted arch trestle according to claim 1, which is characterized in that host bridge includes:
Two box beam disposed in parallel, and the box beam is the box beam unit splicing connection of Multi sectional；And
Lateral connection beam on the inside of the box beam is set, and fixation is bolted in corresponding two lateral connections beam.
3. large span propelled tunnel inverted arch trestle according to claim 2, which is characterized in that be provided in the box beam
Diaphragm plate and reinforce strength rib, is provided with connecting flange between the box beam unit of adjacent two section, and be bolted solid
It is fixed；Non-slip steel is provided at the top of the box beam.
4. large span propelled tunnel inverted arch trestle according to claim 1, which is characterized in that the first driving assembly and
Two driving assemblies include:
Drive cylinder；
With oil cylinder support base, the oil cylinder support base is arranged in host bridge end, wherein one end of the drive cylinder and institute
The pivot joint of oil cylinder support base is stated, the other end of drive cylinder is pivotally connected with corresponding preceding access bridge or rear access bridge.
5. large span propelled tunnel inverted arch trestle according to claim 1 or 4, which is characterized in that the preceding access bridge and
Access bridge lower part is provided with access bridge support afterwards.
6. large span propelled tunnel inverted arch trestle according to claim 1, which is characterized in that the first walking component
It is arranged in host bridge front end, the first walking component includes:
Traveling crawler；And
The both ends of first lifting drive push rod, the first lifting drive push rod are connect with traveling crawler and host bridge respectively,
And the guide sleeve of matching sliding is provided on the traveling crawler and host bridge；
Steering cylinder is additionally provided between the traveling crawler and host bridge, the steering cylinder drives the traveling crawler
Relative to host bridge beat go to action.
7. large span propelled tunnel inverted arch trestle according to claim 1 or 6, which is characterized in that host bridge front end
Lower part is provided with support frame, and the front support leg and the first walking component are arranged on support frame as described above.
8. large span propelled tunnel inverted arch trestle according to claim 1, which is characterized in that the second walking component
It is arranged in host bridge rear end, the second walking component includes:
Traveling wheel group is provided with the guide sleeve of matching sliding, the traveling wheel in the traveling wheel group and host bridge
Group pivot joint is arranged in the corresponding guide sleeve lower part；And
Second lifting drive push rod, the second lifting drive push rod drive the guide sleeve sliding extension, and make described
Traveling wheel group lifting action.
9. large span propelled tunnel inverted arch trestle according to claim 1, which is characterized in that the front support leg and
Rear support leg includes；
Main supporting leg is in hollow cavity structure, and is provided with adjusting screw in main supporting leg；
Screw rod is adjusted, matching setting matches in the main supporting leg, and with the adjusting screw；And
Hemispherical stabilizer blade is arranged in the adjusting screw rod lower part, and can be around the adjusting screw rod rotary oscillation.
10. large span propelled tunnel inverted arch trestle according to claim 1, which is characterized in that right in main bridge two sides
It should be provided with transport trolley, the transport trolley includes:
Driving wheel, the capstan drive are connected with driving motor and speed reducer；
Driven wheel is laid with transmission chain between the driving wheel and driven wheel；And
Trolley body, matching are arranged in host bridge side, and move back and forth with the transmission chain along host bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821738207.9U CN208950605U (en) | 2018-10-25 | 2018-10-25 | Large span propelled tunnel inverted arch trestle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821738207.9U CN208950605U (en) | 2018-10-25 | 2018-10-25 | Large span propelled tunnel inverted arch trestle |
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| Publication Number | Publication Date |
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| CN208950605U true CN208950605U (en) | 2019-06-07 |
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| CN201821738207.9U Active CN208950605U (en) | 2018-10-25 | 2018-10-25 | Large span propelled tunnel inverted arch trestle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026074A (en) * | 2018-10-25 | 2018-12-18 | 中铁工程装备集团有限公司 | Large span propelled tunnel inverted arch trestle |
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2018
- 2018-10-25 CN CN201821738207.9U patent/CN208950605U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026074A (en) * | 2018-10-25 | 2018-12-18 | 中铁工程装备集团有限公司 | Large span propelled tunnel inverted arch trestle |
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