CN208619112U - A kind of tunnel inverted arch trestle - Google Patents
A kind of tunnel inverted arch trestle Download PDFInfo
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- CN208619112U CN208619112U CN201821122890.3U CN201821122890U CN208619112U CN 208619112 U CN208619112 U CN 208619112U CN 201821122890 U CN201821122890 U CN 201821122890U CN 208619112 U CN208619112 U CN 208619112U
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- bridge
- access bridge
- inverted arch
- tunnel inverted
- cross beam
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Abstract
A kind of tunnel inverted arch trestle, including sequentially connected preceding access bridge, main bridge and rear access bridge, front beam and front support mechanism is arranged in host bridge front end, access bridge oil cylinder before main bridge and leading pars basilaris pontis junction are arranged, the active support slided along host bridge is set in host bridge, the active support includes moved cross beam and the movable lifting body on the moved cross beam, rear cross beam and rear walking mechanism, access bridge oil cylinder after main bridge and the setting of rear access bridge bottom junctions is arranged in host bridge rear end.Tunnel inverted arch trestle provided by the utility model.The utility model reinforces the stability and bearing capacity of trestle entirety by front beam, front support mechanism, active support, rear cross beam and rear walking mechanism, trestle can make trestle whole laterally or mobile by active support and rear walking mechanism, strong flexibility can rapidly adapt to construction environment.
Description
Technical field
The utility model relates to a kind of working trestles, and in particular to a kind of tunnel inverted arch trestle.
Background technique
Inverted arch is one of chief component of tunnel structure, it is the basis of tunnel structure.It is on the one hand by tunnel
Load on road surface is transmitted to by tunnel side wall structure or effectively underground by the strata pressure on top, but also is effectively supported
The counter-force that anti-tunnel understratum is transmitted.Actually it is to bear stratum permanent load and road surface temporary load(ing) (dynamic load)
A kind of grade beam (plate).The stress of inverted arch is more complicated thus.Existing tunnel inverted arch trestle is for the ease of traction engine
Increase load-bearing by using cumbersome bridge plate structure, cause in this way trestle complicated integral structure, to tunnel generate pressure
Power is big and mobile difficult, and in order to increase the flexibility of trestle in order to movement, the structure for the trestle to be simplified that is bound to can drop in this way
The load-bearing capacity of low trestle, therefore, if can provide a kind of bearing, stability and the tunnel inverted arch trestle of flexibility of having both has
Very big significance.
Utility model content
Based on problem above, the purpose of this utility model is to provide a kind of wheel tyre walking deck type tunnel inverted arch trestles.
In order to achieve the goal above, the technical solution adopted in the utility model are as follows: a kind of tunnel inverted arch trestle, including successively
Front beam and front support mechanism, main bridge and leading pars basilaris pontis is arranged in preceding access bridge, main bridge and the rear access bridge of connection, host bridge front end
Preceding access bridge oil cylinder is arranged in junction, and the active support slided along host bridge, the movable supporting is arranged in host bridge
Device includes moved cross beam and the movable lifting body on the moved cross beam, and rear cross beam is arranged with after in host bridge rear end
Access bridge oil cylinder after walking mechanism, main bridge and the setting of rear access bridge bottom junctions.
Specifically, host bridge includes main bridge plate group, host bridge board group is made of one group of main bridge plate disposed in parallel, institute
Before stating main bridge plate, rear both ends are vertical with the front beam, rear cross beam respectively to be connect；The preceding access bridge, rear access bridge respectively include
Preceding access bridge group and rear access bridge group, the preceding access bridge group, rear access bridge group are made of one group of access bridge plate disposed in parallel respectively.
Preferably, the front beam, rear cross beam are arranged in parallel, and host bridge board group is by left and right main bridge plate disposed in parallel
It constitutes, further, transverse translation oil cylinder is set in the junction of the right main bridge plate and the front beam, rear cross beam.
Further, host bridge plate, access bridge plate are from top to bottom successively made of floorings, I-steel, cored slab.
Specifically, the front support mechanism includes the preceding vertical sliding sleeve on the front beam and is set to described preceding vertical
Preceding jacking cylinder in sliding sleeve.
Specifically, the active support includes set on the moved cross beam of host bridge bottom, set on the movable transverse
The vertical sliding sleeve at beam both ends and the movable jacking cylinder being set in the vertical sliding sleeve, along side from top to bottom on vertical sliding sleeve
To projecting wheel, support wheel, the sliding rail of the setting of host bridge side and the projecting wheel cooperation is set gradually, the support wheel is embedded
Between host bridge and the moved cross beam.
Specifically, the rear walking mechanism includes hoisting mechanism and the walking mechanism on the hoisting mechanism.
Further, the hoisting mechanism includes fixed block and the lift cylinder on the fixed block, the walking
Mechanism includes roller box and the traveling wheel in the roller box, and the traveling wheel preferably uses practical wheel, wherein the fixed block
It is connect respectively with one end of the cylinder body of the lift cylinder, roller box, the piston rod of the lift cylinder is another with the roller box
End connection.
Specifically, the cylinder body of the preceding access bridge oil cylinder is fixedly installed on host bridge front end, the preceding access bridge is in-oil cylinder
The end of piston rod is fixedly installed on the preceding access bridge；After the cylinder body of access bridge oil cylinder is fixedly installed on host bridge after described
End, the end of the in-oil cylinder piston rod of the rear access bridge are fixedly installed on the rear access bridge.Preceding access bridge oil cylinder and rear access bridge oil
The piston rod of cylinder flexes outward, and respectively jacks up preceding access bridge and liftoff with rear access bridge, such inverted arch trestle can move integrally.
The utility model has the following beneficial effects:
Wheel tyre walking deck type tunnel inverted arch trestle provided by the utility model, using preceding access bridge, main bridge and rear access bridge
Three stage structure will connect between tunnel both ends, can be by increasing main bridge length to increase lower headroom, to facilitate heavy-load automobile logical
It crosses, thus the very long inverted arch of width of constructing.Pass through front beam, front support mechanism, active support, rear cross beam and rear walking
Mechanism reinforces the stability and bearing capacity of trestle entirety, and trestle can keep trestle whole by active support and rear walking mechanism
Body is laterally or mobile, and strong flexibility can rapidly adapt to construction environment.
Detailed description of the invention
Fig. 1 is the side view of tunnel inverted arch trestle provided by the utility model；
Fig. 2 is the top view of tunnel inverted arch trestle provided by the utility model；
Fig. 3 is the schematic cross-section of front beam and front support mechanism；
Fig. 4 is the schematic cross-section of active support；
Fig. 5 is the schematic cross-section of rear cross beam and rear walking mechanism；
Fig. 6 is the side view enlarged diagram of rear cross beam and rear walking mechanism；
Wherein, 1 is preceding access bridge, and 2 be main bridge, and 3 be rear access bridge, and 4 be front beam, and 5 be front support mechanism, and 6 be preceding access bridge oil
Cylinder, 7 be active support, and 8 be moved cross beam, and 9 be movable lifting body, and 10 be rear cross beam, and 11 be rear walking mechanism, and 12 are
Access bridge oil cylinder afterwards, 13 be main bridge plate, and 14 be access bridge plate, and 15 be transverse translation oil cylinder, and 16 be floorings, and 17 be I-steel, and 18 are
Cored slab, 19 be preceding vertical sliding sleeve, and 20 be preceding jacking cylinder, and 21 be vertical sliding sleeve, and 23 be movable jacking cylinder, and 24 be projecting
Wheel, 25 be support wheel, and 26 be sliding rail, and 27 be fixed block, and 28 be lift cylinder, and 29 be roller box, and 30 be traveling wheel.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
Embodiment
As shown in Figure 1, 2, the present embodiment provides a kind of tunnel inverted arch trestles, including successively hinged preceding access bridge 1, main bridge 2
With rear access bridge 3, main bridge 2 includes 13 groups of main bridge plate be made of left and right main bridge plate 13 disposed in parallel, preceding access bridge 1, rear access bridge 3
Respectively include the preceding access bridge group being made of respectively two blocks of access bridge plates 14 disposed in parallel and rear access bridge group；The main bridge of tunnel inverted arch trestle
Front beam 4 and front support mechanism 5 is arranged in 2 front ends, and access bridge oil cylinder 6 before main bridge 2 is arranged with preceding 1 bottom junctions of access bridge, tunnel is faced upward
Encircle the active support 7 that setting is slided along the main bridge 2 of tunnel inverted arch trestle on the main bridge 2 of trestle, tunnel inverted arch trestle movable supporting
Device 7 includes set on two groups of parallel moved cross beams 8 of main 2 bottom of bridge of tunnel inverted arch trestle and set on every group 8 liang of moved cross beam
The movable lifting body 9 at end, main 2 rear end of the bridge setting rear cross beam 10 of tunnel inverted arch trestle and rear walking mechanism 11, main bridge 2 draw with after
Access bridge oil cylinder 12 after the setting of 3 bottom junctions of bridge；Front beam 4, rear cross beam 10 are arranged in parallel, the main bridge plate 13 of tunnel inverted arch trestle
Front and rear ends respectively with tunnel inverted arch trestle front beam 4, rear cross beam 10 is vertical connect, in right main bridge plate 13 and tunnel inverted arch stack
Bridge front beam 4, rear cross beam 10 junction Fig. 3 is set, transverse translation oil cylinder 15 shown in 5；The cylinder body of preceding access bridge oil cylinder 6 is fixed
It is set to main 2 front end of bridge of tunnel inverted arch trestle, the end of the piston rod before tunnel inverted arch trestle in access bridge oil cylinder 6 is fixedly installed on
Before tunnel inverted arch trestle on access bridge 1；The cylinder body of access bridge oil cylinder 12 is fixedly installed on tunnel inverted arch trestle master after tunnel inverted arch trestle
The end of 2 rear end of bridge, the piston rod after tunnel inverted arch trestle in access bridge oil cylinder 12 is fixedly installed on access bridge 3 after tunnel inverted arch trestle
On；
As shown in Fig. 3,4,5, main bridge plate 13 and access bridge plate 14 are from top to bottom successively by floorings 16, I-steel 17, hollow
Plate 18 is constituted, and front support mechanism 5 has two groups, and every group includes being respectively arranged on the preceding of 4 two ends of tunnel inverted arch trestle front beam to erect
To sliding sleeve 19 and the preceding jacking cylinder 20 in sliding sleeve 19 vertical before tunnel inverted arch trestle；Movable lifting body 9 includes being set to
The vertical sliding sleeve 21 at 8 both ends of tunnel inverted arch trestle moved cross beam is jacked with the activity being set in the vertical sliding sleeve 21 of tunnel inverted arch trestle
Oil cylinder 23 sets gradually projecting wheel 24, support wheel 25, tunnel inverted arch trestle master along direction from top to bottom on vertical sliding sleeve 21
The sliding rail 26 of the setting of 2 side of bridge and projecting 24 cooperation of wheel of tunnel inverted arch trestle, tunnel inverted arch trestle support wheel 25 are embedded at tunnel
Between the main bridge 2 of inverted arch trestle and tunnel inverted arch trestle moved cross beam 8；Tunnel inverted arch trestle rear walking mechanism 11 has two groups, every group
Including hoisting mechanism and the walking mechanism on tunnel inverted arch trestle hoisting mechanism, as shown in fig. 6, tunnel inverted arch trestle is promoted
Mechanism includes fixed block 27 and the lift cylinder 28 on tunnel inverted arch trestle fixed block 27, tunnel inverted arch trestle walking mechanism
Including roller box 29 and the traveling wheel 30 being set in tunnel inverted arch trestle roller box 29, tunnel inverted arch trestle traveling wheel 30 is preferably using real
With wheel, wherein the one end with the cylinder body of tunnel inverted arch trestle lift cylinder 28, roller box 29 respectively of tunnel inverted arch trestle fixed block 27
Hingedly, the piston rod of tunnel inverted arch trestle lift cylinder 28 and the other end of tunnel inverted arch trestle roller box 29 are hinged.
When trestle is in stable state, preceding access bridge 1, rear access bridge 3 and tunnel both ends ground face contact, in front support mechanism 5
Piston rod elongation in jacking cylinder, is supported on scene and hinged with ground, the movable jacking cylinder of active support 7
23 piston rod elongation, front beam 4 land and hinged with ground with 8 supporting leg of moved cross beam, and rear cross beam 10 is supported in tunnel rear end
On ground, at this point, construction personnel or bogie walking；When trestle needs to vertically move, preceding access bridge oil cylinder 6 and rear access bridge oil
The piston rod of cylinder 12 flexes outward, and forward and backward access bridge 3 is liftoff, and 8 supporting leg of moved cross beam support ground, trestle weight is held on support wheel 25,
The lift cylinder 28 for starting rear walking mechanism 11 extends, and traveling wheel 30 lands, and drives traveling wheel 30 to drive trestle longitudinally to walk；
By switching landing for traveling wheel 30 and rear cross beam 10 or landing for 4 supporting leg of front beam and 8 supporting leg of moved cross beam, stack may be implemented
The translation of bridge；When lift cylinder 28 shortens, tire liftoff, trestle rear cross beam 10 lands, and trestle can cross heavy-load automobile.
The above embodiments of the present invention be only be illustrate examples for clearly illustrating the present invention, and not be to this reality
With the restriction of novel embodiment.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other various forms of variations and variation.Here all embodiments can not be exhaustive.It is all to belong to this reality
With novel technical solution changes and variations that derived from still in the column of the protection scope of the utility model.
Claims (10)
1. a kind of tunnel inverted arch trestle, which is characterized in that including sequentially connected preceding access bridge (1), main bridge (2) and rear access bridge (3),
Host bridge (2) front end is arranged front beam (4) and front support mechanism (5), and main bridge (2) and preceding access bridge (1) bottom junctions are arranged
Preceding access bridge oil cylinder (6), the active support (7) slide along host bridge (2) is arranged in host bridge (2), and the activity is propped up
Support arrangement (7) includes moved cross beam (8) and the movable lifting body (9) on the moved cross beam (8), host bridge (2)
Rear end is arranged rear cross beam (10) and rear walking mechanism (11), access bridge oil cylinder after main bridge (2) and the setting of rear access bridge (3) bottom junctions
(12)。
2. tunnel inverted arch trestle according to claim 1, which is characterized in that host bridge (2) includes main bridge plate group, described
The front and rear ends of main bridge plate group respectively with the front beam (4), rear cross beam (10) is vertical connect.
3. tunnel inverted arch trestle according to claim 2, which is characterized in that the front beam (4), rear cross beam (10) are parallel
Setting, host bridge board group is made of left and right main bridge plate (13) disposed in parallel, the right main bridge plate and the front beam (4),
Transverse translation oil cylinder (15) are arranged in the junction of rear cross beam (10).
4. tunnel inverted arch trestle according to claim 3, which is characterized in that the preceding access bridge (1), rear access bridge (3) are respectively
Including preceding access bridge group and rear access bridge group, the preceding access bridge group, rear access bridge group are respectively by one group of access bridge plate (14) structure disposed in parallel
At.
5. tunnel inverted arch trestle according to claim 4, which is characterized in that host bridge plate (13), access bridge plate (14) by
It successively include floorings (16), I-steel (17) and cored slab (18) under.
6. tunnel inverted arch trestle according to claim 1 or 2, which is characterized in that the front support mechanism (5) includes being set to
Preceding vertical sliding sleeve (19) on the front beam (4) and the preceding jacking cylinder (20) in the preceding vertical sliding sleeve (19).
7. tunnel inverted arch trestle according to claim 1, which is characterized in that the activity lifting body (9) includes being set to
The vertical sliding sleeve (21) at moved cross beam (8) both ends and the movable jacking cylinder (23) being set in the vertical sliding sleeve (21),
Projecting wheel (24), support wheel (25), host bridge (2) side are set gradually along direction from top to bottom on vertical sliding sleeve (21)
Sliding rail (26) with projecting wheel (24) cooperation is set, and the support wheel (25) is embedded at host bridge (2) and the activity
Between crossbeam (8).
8. tunnel inverted arch trestle according to claim 1, which is characterized in that the rear walking mechanism (11) includes elevator
Structure and the walking mechanism being set on the hoisting mechanism.
9. tunnel inverted arch trestle according to claim 8, which is characterized in that the hoisting mechanism include fixed block (27) with
Lift cylinder (28) on the fixed block (27), the walking mechanism include roller box (29) and are set to the roller box (29)
In traveling wheel (30), wherein the fixed block (27) one end with the cylinder body of the lift cylinder (28), roller box (29) respectively
Connection, the piston rod of the lift cylinder (28) are connect with the other end of the roller box (29).
10. tunnel inverted arch trestle according to claim 1, which is characterized in that the cylinder body of the preceding access bridge oil cylinder (6) is fixed
It is set to host bridge (2) front end, the end of the piston rod in the preceding access bridge oil cylinder (6) is fixedly installed on the preceding access bridge
(1) on；The cylinder body of access bridge oil cylinder (12) is fixedly installed on host bridge (2) rear end after described, and the rear access bridge oil cylinder (12) is interior
Piston rod end be fixedly installed on it is described after on access bridge (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821122890.3U CN208619112U (en) | 2018-07-16 | 2018-07-16 | A kind of tunnel inverted arch trestle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821122890.3U CN208619112U (en) | 2018-07-16 | 2018-07-16 | A kind of tunnel inverted arch trestle |
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| Publication Number | Publication Date |
|---|---|
| CN208619112U true CN208619112U (en) | 2019-03-19 |
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ID=65705682
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821122890.3U Active CN208619112U (en) | 2018-07-16 | 2018-07-16 | A kind of tunnel inverted arch trestle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055875A (en) * | 2019-05-22 | 2019-07-26 | 平顶山平煤机煤矿机械装备有限公司 | A kind of driving suspension arrangement from trestle of walking |
-
2018
- 2018-07-16 CN CN201821122890.3U patent/CN208619112U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055875A (en) * | 2019-05-22 | 2019-07-26 | 平顶山平煤机煤矿机械装备有限公司 | A kind of driving suspension arrangement from trestle of walking |
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