CN206873219U - A kind of D types just beam - Google Patents
A kind of D types just beam Download PDFInfo
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- CN206873219U CN206873219U CN201720343842.6U CN201720343842U CN206873219U CN 206873219 U CN206873219 U CN 206873219U CN 201720343842 U CN201720343842 U CN 201720343842U CN 206873219 U CN206873219 U CN 206873219U
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- movable pulley
- longeron
- crossbeam
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Abstract
The utility model provides a kind of D types just beam, and just beam includes the D types：Longeron, temporary support beam, the first movable pulley, the second movable pulley and crossbeam, the opening position of longeron bottom 2/5ths is arranged with some temporary support beams in parallel, first movable pulley and second movable pulley are I-shaped structure, the intermediate groove portion of the I-shaped structure is consistent with the shape and size of rail track, some eyelets are equably provided with the crossbeam, the upper and lower surface at the crossbeam both ends is respectively arranged with bracket, and the longeron bottom is provided with some oblique connecting rods.The construction method of the D types just beam comprises the following steps：Block circuit, set up just beam crossbeam, set up just beam longeron and reinforce, form construction is worn under interim bridge deck, shield, dismounting just beam and the maintenance of way and recovers constant speed.The beneficial effects of the utility model are installations, removed simply, conveniently moving, save time and manpower, safe, applied widely.
Description
Technical field
A kind of D types just beam and construction method are the utility model is related to, belongs to constructing tunnel field.
Background technology
D types construction beam (referred to as just beam) is to be used for the hardened link when being constructed on Existing Railway Line, makes line track knot
Structure keeps normal track geometry, it is ensured that existing railway circuit normal operation and the temporary structure that sets up.Its essence is a kind of special
Different bridge structure, it is therefore an objective in the case where not cutting off traffic, reduce tunnel excavation construction to greatest extent to both wired
Interference.Just beam longeron (girder) uses box structure to each standard span D types, highly increases with width with span and is incremented by.
Just beam is cumbersome in the presence of installing, removing for currently used D types, mobile trouble, wastes time and energy, and security is low, and cost is high,
The deficiencies of using that can be limited by orographic condition.
Utility model content
The purpose of this utility model is to provide a kind of D types just beam, and it installs, it is simple to remove, conveniently moving, save the time and
Manpower, safe, cost is low, applied widely.
For the above-mentioned purpose, the utility model provides a kind of D types just beam and construction method, and just beam includes the D types：It is vertical
Beam, temporary support beam, the first movable pulley, the second movable pulley and crossbeam, the opening position of longeron bottom 2/5ths be arranged in parallel
There are some temporary support beams, first movable pulley and second movable pulley are I-shaped structure, the I-shaped knot
The intermediate groove portion of structure is consistent with the shape and size of rail track, and some eyelets, institute are equably provided with the crossbeam
State eyelet to be used to the crossbeam being fixedly connected with rail, the upper and lower surface at the crossbeam both ends is respectively arranged with ox
Leg, the longeron bottom are provided with some oblique connecting rods.The construction method of the D types just beam comprises the following steps：Block circuit,
Set up just beam crossbeam, set up just beam longeron and reinforce, form worn under interim bridge deck, shield construction, dismounting just beam and circuit are supported
Protect and recover constant speed.
Preferably, the both ends of the temporary support beam are respectively arranged with the first connector, and the second bolt passes through described first
The temporary support beam is fixedly connected by connector with the longeron.
Preferably, it is connected between first movable pulley and second movable pulley by connecting shaft, described first slides
The both sides of wheel and second movable pulley are respectively arranged with the second connector, and one end of second connector passes through the connection
Axle, the other end of second connector are connected by the first bolt with the temporary support beam, first movable pulley and institute
Just fallen within during the installation for stating the second movable pulley on rail track, first movable pulley and second movable pulley at least provided with
Two groups, respectively positioned at the both ends of the longeron.
Preferably, the beam width is 0.21m, length 3.96m.
Preferably, the 3rd connector is provided with the bracket and the crossbeam, passes through the 3rd connector and the
The both ends of the crossbeam are fixedly connected by three bolts with the longeron respectively.
Preferably, the oblique connecting rods interconnection is between the longeron and the crossbeam, can strengthen D types just beam
Resistance to overturning.
Preferably, the erection of the step just beam crossbeam, sleeper spacing be adjusted, then substituted according to rule in advance
Sleeper, repositioning set up the crossbeam.
Preferably, the erection of the step just beam longeron and is reinforced, and the longeron first is placed on into circuit along line direction
Both sides, then be in reinforcement connection the both ends of the longeron and the crossbeam by the bracket, the 3rd connector, finally
By the oblique connecting rods interconnection between the longeron and the crossbeam, to strengthen the resistance to overturning of D types just beam.
Preferably, the dismounting of the step just beam, the crossbeam need to only be removed in construction, then under the longeron
The opening position of portion 2/5ths installs some temporary support beams, recycles jack respectively by the both ends of the temporary support beam
Jack up, then first movable pulley and second movable pulley are installed, the longeron is moved by movable pulley group, is not only saved
The time of the dismounting longeron is saved, and the movement of the longeron is more convenient, solves the longeron movement in construction
The problem of inconvenient, time-consuming, moving process more security.
The beneficial effects of the utility model are：Installation, remove simply, conveniently moving, save time and manpower, security
Height, cost is low, applied widely.
Brief description of the drawings
Fig. 1 is longeron of the present utility model and its travel mechanism's structural representation；
Fig. 2 is just girder construction schematic diagram of the present utility model；
Fig. 3 is top view of the present utility model；
Fig. 4 is just beam construction process figure of the present utility model；
In figure：1st, longeron；2nd, temporary support beam；3rd, the first connector；4th, the first movable pulley；5th, the second movable pulley；6th, even
Spindle；7th, the second connector；8th, the first bolt；9th, the second bolt；10th, crossbeam；11st, eyelet；12nd, the 3rd bolt；13rd, bracket；
14th, the 3rd connector；15th, oblique connecting rods；16th, circuit is blocked；17th, just beam crossbeam is set up；18th, set up just beam longeron and reinforce；
19th, interim bridge deck is formed；20th, construction is worn under shield；21st, just beam is removed；22nd, the maintenance of way and constant speed is recovered.
Embodiment
Below against accompanying drawing, by the description to embodiment, to specific embodiment of the present utility model, as involved
Mutual alignment and annexation, the effect of each several part and operation principle between the shape of each component, construction, each several part etc. make into
The detailed description of one step.
Referring to Fig. 1-4, the utility model provides a kind of D types just beam and construction method, and just beam includes D types：It is longeron 1, interim
Support beam 2, the first movable pulley 4, the second movable pulley 5 and crossbeam 10, the opening position of 1 bottom of longeron 2/5ths are arranged with parallel some
Temporary support beam 2, the first movable pulley 4 and the second movable pulley 5 are I-shaped structure, the intermediate groove portion and iron of I-shaped structure
The shape and size of rail track are consistent, and some eyelets 11 are equably provided with crossbeam 10, and eyelet 11 is used for crossbeam 10 and iron
Rail is fixedly connected, and the upper and lower surface at the both ends of crossbeam 10 is respectively arranged with bracket 13, and the bottom of longeron 1, which is provided with, some tiltedly to be connected
Extension bar 15, the construction method of D types just beam comprise the following steps：Block circuit 16, set up just beam crossbeam 17, set up just that beam longeron is simultaneously
Reinforce under 18, the interim bridge deck 19 of composition, shield and wear construction 20, remove just beam 21 and the maintenance of way and recover constant speed 22.
Preferably, the both ends of temporary support beam 2 are respectively arranged with the first connector 3, and the second bolt 7 passes through the first connector
3 are fixedly connected with temporary support beam 2 with longeron 1.
Preferably, it is connected between the first movable pulley 4 and the second movable pulley 5 by connecting shaft 6, the first movable pulley 4 and second
The both sides of movable pulley 5 are respectively arranged with the second connector 7, and one end of the second connector 7 passes through connecting shaft 6, the second connector 7
The other end is connected by the first bolt 8 with temporary support beam 2, is just fallen within during the installation of the first movable pulley 4 and the second movable pulley 5
On rail track, the first movable pulley 4 and the second movable pulley 5 are at least provided with two groups, respectively positioned at the both ends of longeron 1.
Preferably, beam width 0.21m, length 3.96m.
Preferably, bracket 13 passes through the 3rd connector 14 and the 3rd spiral shell with being provided with the 3rd connector 14 on crossbeam 10
The both ends of crossbeam 10 are fixedly connected by bolt 12 with longeron 1 respectively.
Preferably, the interconnection of oblique connecting rods 15 is between longeron 1 and crossbeam 10, can strengthen the overall steady of D types just beam
It is qualitative.
Preferably, the erection of step just beam crossbeam 17, sleeper spacing be adjusted, then substitute pillow according to rule in advance
Wood, repositioning set up crossbeam 10.
Preferably, the erection of step just beam longeron and reinforcing 18, is first placed on circuit both sides by longeron 1 along line direction,
The both ends of longeron 1 and crossbeam 10 are in reinforcement connection by bracket 13, the 3rd connector 14 again, finally handed over oblique connecting rods 15
Fork is connected between longeron 1 and crossbeam 0, can strengthen the resistance to overturning of D types just beam.
Preferably, the dismounting of step just beam 21, crossbeam 10 need to only be removed in construction, then divided in the bottom five of longeron 1
Two opening positions some temporary support beams 2 are installed, recycle jack respectively to jack up the both ends of temporary support beam 2, Ran Houan
The first movable pulley 4 and the second movable pulley 5 are filled, longeron 1 is moved by movable pulley group, not only saves the time for removing longeron 1,
And the movement of longeron 1 is more convenient, solve the problems, such as that the longeron 1 in construction moves inconvenience, taken, moving process is more pacified
Quan Xing.
The beneficial effects of the utility model are：Installation, remove simply, conveniently moving, save time and manpower, security
Height, cost is low, applied widely.
Embodiment of the present utility model is described in detail above, but the content is only of the present utility model preferable
Embodiment, it is impossible to be considered as being used to limit practical range of the present utility model.It is all made according to present utility model application scope it is equal
Deng change and improvement etc., all should still belong within patent covering scope of the present utility model.
Claims (6)
- A kind of 1. D types just beam, it is characterised in that：Including longeron, temporary support beam, the first movable pulley, the second movable pulley and crossbeam, The opening position of longeron bottom 2/5ths is arranged with the temporary support beam in parallel, and first movable pulley is slided with described second Driving wheel is I-shaped structure, and the intermediate groove portion of the I-shaped structure is consistent with the shape and size of rail track, described Perforation is equably set on crossbeam, and the upper and lower surface at the crossbeam both ends is respectively arranged with bracket, the longeron bottom Portion is provided with some oblique connecting rods.
- 2. D types according to claim 1 just beam, it is characterised in that：The both ends of the temporary support beam are respectively arranged with The temporary support beam is fixedly connected by a connection piece, the second bolt through first connector with the longeron.
- 3. D types according to claim 1 just beam, it is characterised in that：First movable pulley and second movable pulley it Between be connected by connecting shaft, the both sides of first movable pulley and second movable pulley are respectively arranged with the second connector, institute The one end for stating the second connector passes through the connecting shaft, the other end of second connector by the first bolt with it is described interim Support beam is connected, and falls within rail track during the installation of first movable pulley and second movable pulley, described first slides Wheel and second movable pulley are at least provided with two groups, respectively positioned at the both ends of the longeron.
- 4. D types according to claim 1 just beam, it is characterised in that：The beam width is 0.21m, length 3.96m.
- 5. D types according to claim 1 just beam, it is characterised in that：The bracket on the crossbeam with being provided with the 3rd Connector, the both ends of the crossbeam are fixedly connected with the longeron respectively by the 3rd connector and the 3rd bolt.
- 6. D types according to claim 1 just beam, it is characterised in that：The oblique connecting rods interconnection the longeron with Between the crossbeam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720343842.6U CN206873219U (en) | 2017-04-05 | 2017-04-05 | A kind of D types just beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720343842.6U CN206873219U (en) | 2017-04-05 | 2017-04-05 | A kind of D types just beam |
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| Publication Number | Publication Date |
|---|---|
| CN206873219U true CN206873219U (en) | 2018-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720343842.6U Active CN206873219U (en) | 2017-04-05 | 2017-04-05 | A kind of D types just beam |
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| CN (1) | CN206873219U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922015A (en) * | 2022-06-09 | 2022-08-19 | 中国铁路太原局集团有限公司 | D-shaped temporary beam assembly and line local reinforcement construction method |
-
2017
- 2017-04-05 CN CN201720343842.6U patent/CN206873219U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922015A (en) * | 2022-06-09 | 2022-08-19 | 中国铁路太原局集团有限公司 | D-shaped temporary beam assembly and line local reinforcement construction method |
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