CN205775792U - Large span self-propelled trestle - Google Patents
Large span self-propelled trestle Download PDFInfo
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- CN205775792U CN205775792U CN201620488807.9U CN201620488807U CN205775792U CN 205775792 U CN205775792 U CN 205775792U CN 201620488807 U CN201620488807 U CN 201620488807U CN 205775792 U CN205775792 U CN 205775792U
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- access bridge
- girder
- downside
- vertical cylinders
- longeron
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Abstract
This utility model belongs to constructing tunnel equipment technical field, specifically a kind of large span self-propelled trestle.Including girder, upper longeron, front access bridge I, front access bridge II, front lift cylinder, support base, auxiliary support, adjustment oil cylinder, extension sleeve, front Vertical Cylinders, front travelling wheel, rear access bridge, rear support, rear Vertical Cylinders, rear travelling wheel and rear lift cylinder, longeron it is fixed with on girder, it is provided with front Vertical Cylinders on the downside of upper longeron front end, front Vertical Cylinders lower end is provided with front travelling wheel, it is provided with rear Vertical Cylinders on the downside of upper longeron rear end, rear Vertical Cylinders is fixed on girder and supports on seat, and girder supports and is provided with rear travelling wheel on the downside of seat.This utility model possesses running mechanism, and rear-guard provides power, self-propelled mobile, and access bridge uses oil cylinder folding and unfolding, carries curl wall form.
Description
Technical field
This utility model belongs to constructing tunnel equipment technical field, specifically a kind of large span self-propelled trestle.
Background technology
Tunnel inverted arch trestle is that by vehicle transport and inverted arch construction operation simultaneously during constructing tunnel, it is to avoid the construction interference under parallel operations, shortens the cycle operation time, improves the equipment of constructing tunnel efficiency.Trestle construction in the past is general within 12m length, operation is that excavator advances trestle, inverted arch, filling to pour, with curl wall, the simple operation support being separately provided, artificial supporting dismounting template, perfusion length is at about 6m, and more than lining trolley length 12m, tunnel is closed cyclization construction and brings short slab, duty cycle is longer, construction quality is restricted, and gets out of a predicament or an embarrassing situation and cannot realize an excavation supporting with inverted arch and pour closing cyclization in tunnel.As a example by certain tunnel, upper, middle and lower bench excavation about needs about 16 hours, period trestle traveling puts in place, reinforcing bar binding 24m filled by inverted arch about needs 36 hours, the fixing examination in 24m curl wall form location about needs 30 hours, pour inverted arch, filling about needs 30 hours with bent side wall lining, and maintenance 48 about needs 60 hours.Whole circulation about needs 142 hours.
Summary of the invention
This utility model is in order to solve the problem that background technology exists, it is provided that a kind of large span self-propelled trestle.
This utility model takes techniques below scheme: a kind of large span self-propelled trestle, including girder, upper longeron, front access bridge I, front access bridge II, front lift cylinder, support base, auxiliary supports, adjust oil cylinder, extension sleeve, front Vertical Cylinders, front travelling wheel, rear access bridge, rear support, rear Vertical Cylinders, rear travelling wheel and rear lift cylinder, longeron it is fixed with on girder, it is provided with front Vertical Cylinders on the downside of upper longeron front end, front Vertical Cylinders lower end is provided with front travelling wheel, it is provided with rear Vertical Cylinders on the downside of upper longeron rear end, rear Vertical Cylinders is fixed on girder and supports on seat, girder supports and is provided with rear travelling wheel on the downside of seat.
Girder front end connects front access bridge I, it is provided with support base on the downside of front access bridge I, support and be fixed with front lift cylinder on base, the front lift cylinder other end is fixing with the end of upper longeron to be connected, front access bridge I front end is connected with front access bridge II by hinge rotating shaft, being provided with auxiliary on the downside of front access bridge II to support, connecting on the downside of auxiliary support has adjustment oil cylinder, adjusts oil cylinder and is connected with ground by extension sleeve.
Main beam rear end is hingedly connected with rear access bridge, is provided with rear support on the downside of rear access bridge, and on the upside of rear access bridge, the one end with rear lift cylinder is connected, and the other end of rear lift cylinder is fixing with upper longeron to be connected.
Described upper longeron both sides are respectively welded and are fixed with formwork-support, translation oil cylinder it is fixed with on the upside of formwork-support, the other end of translation oil cylinder is fixing with longeron in template to be connected, in template, longeron is provided with electric block, the electric block other end is connected with the curl wall form being fixed on curl wall, connecting on curl wall form has screw mandrel sleeve, the other end of screw mandrel sleeve to be connected with girder.
Compared with prior art, this utility model possesses running mechanism, and rear-guard provides power, self-propelled mobile, and access bridge uses oil cylinder folding and unfolding, carries curl wall form, and Template Location uses hydraulic drive, screw mandrel sleeve reinforcement, packs up template and uses electric block.Realize inverted arch, inverted arch is filled and is poured with curl wall, pour linear meter(lin.m.) longer (more than or equal to 24m), shipping platform is provided for excavation upper, middle and lower step, realize limit excavation upper, middle and lower step, limit pours inverted arch, filling is slagged tap with curl wall, limit transport simultaneously, equipment platform is provided to the construction of tunnel special project, two lining chassis 12m lining construction time, inverted arch realize 24m and above pouring construction and more than, be effectively improved construction quality and progress.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is side view of the present utility model；
Fig. 3 is access bridge enlarged drawing before Fig. 1；
Fig. 4 is access bridge enlarged drawing after Fig. 1；
nullIn figure: 1-girder、2-directly supports、The upper longeron of 3-、4-trestle crossbeam、5-trestle longitudinal rib、6-trestle cross rib、7-trestle panel、8-charging aperture cover plate、Access bridge I before 9-、10-hinge rotating shaft、11-down-feed screw supports、Access bridge II before 12-、Lift cylinder before 13-、14-supports base、15-assists support、16-adjusts oil cylinder、17-extension sleeve、Vertical Cylinders before 18-、Travelling wheel before 19-、20-track and sleeper、Access bridge after 21-、22-rear support、Vertical Cylinders after 23-、24-rear-guard travelling wheel、25-track、Lift cylinder after 26-、Longeron in 27-template、28-translation oil cylinder、29-curl wall form、30-screw mandrel sleeve、31-formwork-support、32-electric block、33-girder supports seat.
Detailed description of the invention
As shown in Figure 1, a kind of large span self-propelled trestle, including girder 1, upper longeron 3, front access bridge I9, front access bridge II12, front lift cylinder 13, support base 14, auxiliary support 15, adjust oil cylinder 16, extension sleeve 17, front Vertical Cylinders 18, front travelling wheel 19, rear access bridge 21, rear support 22, rear Vertical Cylinders 23, rear travelling wheel 24 and rear lift cylinder 26, longeron 3 it is fixed with on girder 1, it is provided with front Vertical Cylinders 18 on the downside of upper longeron 3 front end, front Vertical Cylinders 18 lower end is provided with front travelling wheel 19, it is provided with rear Vertical Cylinders 23 on the downside of upper longeron 3 rear end, rear Vertical Cylinders 23 is fixed on girder and supports on seat 33, girder supports and is provided with rear travelling wheel 24 on the downside of seat 33.
Girder 1 front end connects front access bridge I9, support base 14 it is provided with on the downside of front access bridge I9, support and be fixed with front lift cylinder 13 on base 14, front lift cylinder 13 other end is fixing with the end of upper longeron 3 to be connected, front access bridge I9 front end is connected with front access bridge II12 by hinge rotating shaft 10, being provided with auxiliary support 15 on the downside of front access bridge II12, auxiliary supports to connect on the downside of in the of 15 adjustment oil cylinder 16, adjusts oil cylinder 16 and is connected with ground by extension sleeve 17.
Girder 1 rear end is hingedly connected with rear access bridge 21, is provided with rear support 22 on the downside of rear access bridge 21, and on the upside of rear access bridge 21, the one end with rear lift cylinder 26 is connected, and the other end of rear lift cylinder 26 is fixing with upper longeron 3 to be connected.
As shown in Figure 2, described upper longeron 3 both sides are respectively welded and are fixed with formwork-support 31, translation oil cylinder 28 it is fixed with on the upside of formwork-support 31, the other end of translation oil cylinder 28 is fixing with longeron in template 27 to be connected, in template, longeron 27 is provided with electric block 32, electric block 32 other end is connected with the curl wall form 29 being fixed on curl wall, and curl wall form 29 connects has screw mandrel sleeve 30, the other end of screw mandrel sleeve 30 to be connected with girder 1.
Initial stage uses, construct about 6m length at interim inverted arch, more than excavation inverted arch length 24m, trestle is installed, the perfusion long inverted arch of 24m, fill, after construction initial set 1 hour, location curl wall form and inverted arch filling template, concrete perfusion, maintenance is to after can carrying trestle and loaded vehicle load 160 tons, limit is excavated limit of getting out of a predicament or an embarrassing situation and is advanced trestle, in period of slagging tap, before propping up, rear trestle bearing over the ground, when traveling, before and after's access bridge is packed up with oil cylinder, bearing over the ground before and after packing up, before putting down, rear travelling wheel, start reductor and promote trestle, when rail travels to end, jack-up oil cylinder, pad tight girder, rail is promoted to advance 4 6m, put down oil cylinder, traveling is promoted to take turns to next station.
Claims (2)
- null1. a large span self-propelled trestle，It is characterized in that: include girder (1)、Upper longeron (3)、Front access bridge I(9)、Front access bridge II(12)、Front lift cylinder (13)、Support base (14)、Auxiliary supports (15)、Adjust oil cylinder (16)、Extension sleeve (17)、Front Vertical Cylinders (18)、Front travelling wheel (19)、Rear access bridge (21)、Rear support (22)、Rear Vertical Cylinders (23)、Rear travelling wheel (24) and rear lift cylinder (26)，Longeron (3) it is fixed with on girder (1)，Front Vertical Cylinders (18) it is provided with on the downside of upper longeron (3) front end，Front Vertical Cylinders (18) lower end is provided with front travelling wheel (19)，Rear Vertical Cylinders (23) it is provided with on the downside of upper longeron (3) rear end，Rear Vertical Cylinders (23) is fixed on girder and supports on seat (33)，Girder supports seat (33) downside and is provided with rear travelling wheel (24)；Girder (1) front end connects front access bridge I(9), front access bridge I(9) downside be provided with support base (14), support and be fixed with front lift cylinder (13) on base (14), front lift cylinder (13) other end is fixing with the end of upper longeron (3) to be connected, front access bridge I(9) front end is by hinge rotating shaft (10) and front access bridge II(12) be connected, front access bridge II(12) downside be provided with auxiliary support (15), auxiliary supports the connection of (15) downside adjustment oil cylinder (16), adjusts oil cylinder (16) and is connected with ground by extension sleeve (17)；Girder (1) rear end is hingedly connected with rear access bridge (21), and rear access bridge (21) downside is provided with rear support (22), and rear access bridge (21) upside is connected with one end of rear lift cylinder (26), and the other end of rear lift cylinder (26) is fixing with upper longeron (3) to be connected.
- Large span self-propelled trestle the most according to claim 1, it is characterized in that: described upper longeron (3) both sides are respectively welded and are fixed with formwork-support (31), formwork-support (31) upside is fixed with translation oil cylinder (28), the other end of translation oil cylinder (28) is fixing with longeron in template (27) to be connected, in template, longeron (27) is provided with electric block (32), electric block (32) other end is connected with the curl wall form (29) being fixed on curl wall, the upper connection of curl wall form (29) has screw mandrel sleeve (30), the other end of screw mandrel sleeve (30) is connected with girder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620488807.9U CN205775792U (en) | 2016-05-26 | 2016-05-26 | Large span self-propelled trestle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620488807.9U CN205775792U (en) | 2016-05-26 | 2016-05-26 | Large span self-propelled trestle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205775792U true CN205775792U (en) | 2016-12-07 |
Family
ID=58110312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620488807.9U Expired - Fee Related CN205775792U (en) | 2016-05-26 | 2016-05-26 | Large span self-propelled trestle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205775792U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979021A (en) * | 2017-05-05 | 2017-07-25 | 中铁十二局集团有限公司 | Large-section loess tunnel is excavated and preliminary bracing quick closure looping technique |
| 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 |
| CN109236331A (en) * | 2018-11-20 | 2019-01-18 | 中铁五局集团第工程有限责任公司 | A kind of steel arch rack trolley suitable for the micro- bench cut method in tunnel |
| CN111663430A (en) * | 2020-06-09 | 2020-09-15 | 中铁十一局集团汉江重工有限公司 | Angularly adjustable and horizontal adjustable removes landing stage |
-
2016
- 2016-05-26 CN CN201620488807.9U patent/CN205775792U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979021A (en) * | 2017-05-05 | 2017-07-25 | 中铁十二局集团有限公司 | Large-section loess tunnel is excavated and preliminary bracing quick closure looping technique |
| 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 |
| CN109236331A (en) * | 2018-11-20 | 2019-01-18 | 中铁五局集团第工程有限责任公司 | A kind of steel arch rack trolley suitable for the micro- bench cut method in tunnel |
| CN109236331B (en) * | 2018-11-20 | 2024-03-22 | 中铁五局集团第一工程有限责任公司 | Steel arch trolley suitable for tunnel micro-step excavation method |
| CN111663430A (en) * | 2020-06-09 | 2020-09-15 | 中铁十一局集团汉江重工有限公司 | Angularly adjustable and horizontal adjustable removes landing stage |
| CN111663430B (en) * | 2020-06-09 | 2022-02-22 | 中铁十一局集团汉江重工有限公司 | Angularly adjustable and horizontal adjustable removes landing stage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 |