CN202688880U - Transverse prestress tension auxiliary device - Google Patents
Transverse prestress tension auxiliary device Download PDFInfo
- Publication number
- CN202688880U CN202688880U CN2012203250700U CN201220325070U CN202688880U CN 202688880 U CN202688880 U CN 202688880U CN 2012203250700 U CN2012203250700 U CN 2012203250700U CN 201220325070 U CN201220325070 U CN 201220325070U CN 202688880 U CN202688880 U CN 202688880U
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- Prior art keywords
- conduit
- transverse prestress
- main body
- servicing unit
- auxiliary device
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- Expired - Fee Related
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Abstract
The utility model provides a transverse prestress tension auxiliary device which comprises a main body slideway, a hoisting mechanism, a gliding device, a support mechanism and an insurance mechanism, wherein the main body slideway is supported on the support mechanism, the hoisting mechanism can be movably arranged on the main body slideway through the gliding device, and the insurance mechanism is arranged on the support mechanism. Compared with the prior art, the transverse prestress tension auxiliary device has the advantages of being beneficial to installation and alignment of a lifting jack, succinct in construction, high in working efficiency, and reliable in safety. The key point is that the phenomenon that people stretch forward outside a viaduct to carry out moving the lifting jack is avoided. The transverse prestress tension auxiliary device is used in construction of multi-connection cast-in-place continuous beams. Constructed prestressed tendons can be completely and successfully finished and meet design demands without safety accidents by adopting the transverse prestress tension auxiliary device. The transverse prestress tension auxiliary device greatly saves the construction cost and obviously improves the work efficiency.
Description
Technical field
The utility model relates to the civil works technical field, specifically, relates to a kind of tension of prestressed tendon aid.
Background technology
Along with the fast development of China's economy and society, the bridge construction of district in all parts of the country highway, railway is also thereupon fast-developing, and safe construction is the most important thing.For reducing the occupancy of State owned land resource, the large span viaduct increases sharply.In large span viaduct construction, the Post-tension Prestress Construction working procedure that is absolutely necessary, and its raising middle flask beam transverse prestress bundle quantity is maximum.Because of the single tendon stretch speed, will change to fast next root continuation stretch-draw so a stretch-draw is finished, so speed of application is determining transverse prestress construction period and cost.Case beam transverse prestress stretch-draw now job practices commonly used is that artificial portable jack carries out stretching construction, or sets up simple rack with the rope jack tension that plays.Carry out the prestressed stretch-draw operation with these methods and have the following aspects problem: 1, there is larger potential safety hazard in workers with long time in the operation of viaduct frange plate edge, and expends very much muscle power; 2, use simple and easy stand when mobile, mobility is relatively poor, need to be with manually moving; 3, claim for eot, construction cost increases.
The utility model content
The purpose of this utility model provides a kind of succinct, high, safe and reliable transverse prestress stretch-draw servicing unit of operating efficiency of installation location, construction that is conducive to jack.
For achieving the above object, the utility model provides a kind of transverse prestress stretch-draw servicing unit, comprise main body slideway, hoisting mechanism, skid, supporting mechanism and safety guarantee mechanism, described main body slideway is supported on the described supporting mechanism, described hoisting mechanism is arranged on the described main body slideway movably by described skid, and described safety guarantee mechanism is arranged on the described supporting mechanism.
Preferred scheme is, described main body slideway comprises that the first conduit, the second conduit, upper junction plate, lower connecting plate, the first end-blocking plate and the second end-blocking plate form, described the first conduit and the second conduit compartment of terrain arrange, and notch is relative, so that hoisting mechanism can be installed; Described upper junction plate connects the end face of described the first conduit and the second conduit, described lower connecting plate connects the bottom surface of described the first conduit and the second conduit, described the first end-blocking plate connects the first end face of described the first conduit and the second conduit, described the second end-blocking plate connects the second end face of described the first conduit and the second conduit, and described the first end-blocking plate and the second end-blocking plate can prevent skid landing from the main body slideway.
Preferred scheme is, described supporting mechanism is mechanism movably, it comprises supporting leg, vertically connecting rod, laterally connecting rod and multidirectional corner castor, by described vertical connecting rod and the connecting rod connection and form integral body of be connected, can increase the stability of mechanism between the described supporting leg.Described multidirectional corner castor is arranged on the bottom of described supporting leg, is convenient to the supporting mechanism shift position.On the multidirectional corner castor check mechanism can be installed, roll when the construction operation preventing.
Preferred scheme is that described hoisting mechanism is Chain block, hangs on described skid by hook on it.
Preferred scheme is that described skid is made of four rolling, two lateral shafts and a longitudinal axis.
Preferred scheme is, described safety guarantee mechanism comprises ballast box and anchor chain, in order to increase safety guarantee.
Compare with present technology, the utility model be conducive to jack the installation contraposition, construction is succinct, operating efficiency is high, safe and reliable.Emphasis is to have avoided personnel to stretch forward to carry out jack for moving beyond the viaduct.The utility model uses in multi-joint cast-in-situ continuous beam construction, and the presstressed reinforcing steel that adopts the utility model device to construct is all finished smoothly and met design requirement, and security incident do not occur.And greatly save construction cost, work efficiency is significantly increased.
Description of drawings
Fig. 1 is that the integral arrangement of the utility model embodiment is used schematic diagram.
Fig. 2 is the top view of the transverse prestress stretch-draw servicing unit in the middle of Fig. 1.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is the B-B sectional view of Fig. 2.
The specific embodiment
The below will describe various embodiment of the present utility model in detail, and embodiment wherein describes in conjunction with the accompanying drawings and hereinafter.Although the present invention describes in connection with illustrative embodiments, be to be understood that the utility model is not limited to these illustrative embodiments.On the contrary, the utility model not only comprises these embodiments, but also comprises various distortion and improvement.
As shown in Figure 1, transverse prestress stretch-draw servicing unit 10 of the present utility model is made of main body slideway 1, hoisting mechanism 2, skid 3, supporting mechanism 4 and safety guarantee mechanism 5 etc., main body slideway 1 is supported on the supporting mechanism 4, and hoisting mechanism 2 is arranged on the main body slideway 1 movably by skid 3.
Extremely shown in Figure 4 such as Fig. 2, described main body slideway 1 comprises that the first conduit 11, the second conduit 12, upper junction plate 13, lower connecting plate 14, the first end-blocking plate 15 and the second end-blocking plate 16 form, wherein, the first conduit 11 and the second conduit 12 compartment of terrains arrange, and notch is relative, so that hoisting mechanism 2 can be installed; Upper junction plate 13 connects the end face of the first conduit 11 and the second conduit 12, lower connecting plate 14 connects the bottom surface of the first conduit 11 and the second conduit 12, and lower connecting plate 14 is positioned at the two ends of the first conduit 11 and the second conduit 12, so that hoisting mechanism 2 is not interrupted when sliding.Described the first end-blocking plate 15 connects the first end face of the first conduit 11 and the second conduit 12, described the second end-blocking plate 16 connects the second end face of the first conduits 11 and the second conduit 12, and the first end-blocking plate 15 and the second end-blocking plate 16 can prevent skid 3 landing from the main body slideway 1.
Described supporting mechanism 4 is mechanism movably, it comprises four supporting legs 41, two vertical connecting rods 42, two horizontal connecting rods 43 and four multidirectional corner castors 44, connected by vertical connecting rod 42 and the connecting rod of being connected 43 between four supporting legs 41 and forms integral body, can increase the stability of mechanism.Four multidirectional corner castors 44 are separately positioned on the bottom of four supporting legs 41, are convenient to the supporting mechanism shift position.Check mechanism 45 is installed on the multidirectional corner castor 44, is rolled when the construction operation preventing.Described safety guarantee mechanism 5 is comprised of ballast box 51 and anchor chain 52, and described ballast box 51 is installed between two rear support legs 41, and anchor chain 52 is installed on the horizontal connecting rod 43, in order to increase safety guarantee.In the construction, be in ballast box 51 interior adding counterweights, anti-locking apparatus leans forward.
Described skid 3 is made of four rolling 31, two lateral shafts 32 and a longitudinal axis 33, and every lateral shaft 32 connects two rollers 31, and longitudinal axis 33 connects two lateral shafts 32.Described hoisting mechanism 2 is Chain block, and its upper end hangs on skid 3 by linking up with 21, and the lower end has suspension hook 22.
Consult Fig. 1, operating procedure of the present utility model is as follows:
1, transverse prestress stretch-draw servicing unit 10 is placed on the prestressing force transverse beam over against the rear, position, anchor chain 52 is anchored on the anti-collision wall reinforcing bar 6, make multidirectional corner castor 44 be in on-position.
2, jack being hanging on the hoisting mechanism 2, slides so that the jack contraposition in front and back.Regulate height, guarantee that jack operative orientation and presstressed reinforcing steel are on same axis.
3, after stretch-draw is finished, withdraw from jack to front slide, remove the braking of multidirectional corner castor 44, move to the next position, anchor chain 52 can the compartment distance be removed change place again.Move in circles and construct.
Claims (7)
1. transverse prestress stretch-draw servicing unit, it is characterized in that: comprise main body slideway, hoisting mechanism, skid, supporting mechanism and safety guarantee mechanism, described main body slideway is supported on the described supporting mechanism, described hoisting mechanism is arranged on the described main body slideway movably by described skid, and described safety guarantee mechanism is arranged on the described supporting mechanism.
2. transverse prestress stretch-draw servicing unit according to claim 1, it is characterized in that: described main body slideway comprises that the first conduit, the second conduit, upper junction plate, lower connecting plate, the first end-blocking plate and the second end-blocking plate form, described the first conduit and the second conduit compartment of terrain arrange, and notch is relative; Described upper junction plate connects the end face of described the first conduit and the second conduit, described lower connecting plate connects the bottom surface of described the first conduit and the second conduit, described the first end-blocking plate connects the first end face of described the first conduit and the second conduit, and described the second end-blocking plate connects the second end face of described the first conduit and the second conduit.
3. transverse prestress stretch-draw servicing unit according to claim 1, it is characterized in that: described supporting mechanism is mechanism movably, it comprises supporting leg, vertical connecting rod, horizontal connecting rod and multidirectional corner castor, be connected to form integral body by described vertical connecting rod and horizontal connecting rod between the described supporting leg, described multidirectional corner castor is arranged on the bottom of described supporting leg.
4. transverse prestress stretch-draw servicing unit according to claim 3, it is characterized in that: described multidirectional corner castor is provided with check mechanism.
5. transverse prestress stretch-draw servicing unit according to claim 1, it is characterized in that: described hoisting mechanism is Chain block, its upper end hangs on described skid by hook.
6. transverse prestress stretch-draw servicing unit according to claim 1, it is characterized in that: described skid is made of four rolling, two lateral shafts and a longitudinal axis.
7. transverse prestress stretch-draw servicing unit according to claim 1 is characterized in that: described safety guarantee mechanism comprises ballast box and anchor chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203250700U CN202688880U (en) | 2012-07-05 | 2012-07-05 | Transverse prestress tension auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203250700U CN202688880U (en) | 2012-07-05 | 2012-07-05 | Transverse prestress tension auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202688880U true CN202688880U (en) | 2013-01-23 |
Family
ID=47544521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203250700U Expired - Fee Related CN202688880U (en) | 2012-07-05 | 2012-07-05 | Transverse prestress tension auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202688880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463994A (en) * | 2015-12-23 | 2016-04-06 | 中国三冶集团有限公司 | Prestress tensioning jack movement device and prestress box girder structure tensioning method |
-
2012
- 2012-07-05 CN CN2012203250700U patent/CN202688880U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463994A (en) * | 2015-12-23 | 2016-04-06 | 中国三冶集团有限公司 | Prestress tensioning jack movement device and prestress box girder structure tensioning method |
| CN105463994B (en) * | 2015-12-23 | 2017-05-17 | 中国三冶集团有限公司 | Prestress tensioning jack movement device and prestress box girder structure tensioning method |
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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: 20130123 Termination date: 20170705 |