CN202485652U - Displacement measuring device for automatic tension of transverse linkage of track plate or T-shaped beam - Google Patents
Displacement measuring device for automatic tension of transverse linkage of track plate or T-shaped beam Download PDFInfo
- Publication number
- CN202485652U CN202485652U CN2012201144302U CN201220114430U CN202485652U CN 202485652 U CN202485652 U CN 202485652U CN 2012201144302 U CN2012201144302 U CN 2012201144302U CN 201220114430 U CN201220114430 U CN 201220114430U CN 202485652 U CN202485652 U CN 202485652U
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- China
- Prior art keywords
- track plate
- measuring device
- lifting jack
- type beam
- jack
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- Expired - Fee Related
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Abstract
The utility model belongs to a measuring device, and particularly relates to a displacement measuring device for automatic tension of transverse linkage of a track plate or a T-shaped beam. The displacement measuring device comprises pre-embedded iron and a prestress reinforcing steel bar, wherein the pre-embedded iron is arranged at the track plate or inside the T-shaped beam and the outer end of the pre-embedded iron penetrates through an anchor recess; the prestress reinforcing steel bar is in fastened and assembled with the pre-embedded iron; a jack is prearranged at the outer side of the pre-embedded iron; the moving end of the jack is fastened with the outer end of the prestress reinforcing steel bar and the stretching direction of the moving end of the jack is the same with the tension direction of the prestress reinforcing steel bar; the outer end of the prestress reinforcing steel bar is in tight match and connection with the inner end of a pull rod; the outer end of the pull rod is in tight match with the moving end of the jack; the static end of the jack is jacked at the surface of the T-shaped beam or the track plate out of the anchor recess; a displacement sensor is fixed at the outer wall of the moving end of the jack, and is coaxially arranged with the prestress steel bar; a probe of the displacement sensor is jacked at a blind end of the inner wall of a jacket, and is sleeved and slidably matched with the inner side wall of the jacket; and the jacket is fixed at the surface of a static end of the jack. With the adoption of the measuring device, the problems that in the prior art, the tension efficiency is low, the tension quality is hard to ensure, and the like are solved. The measuring device has the advantages of simple operation, high tension precision and the like.
Description
Technical field
The utility model belongs to measurement mechanism, is meant a kind of displacement measuring device that track plate or T type beam laterally connect robotization stretch-draw that is used for especially.
Background technology
It is important step in its manufacturing process that track plate or T type beam laterally connect prestressed stretch-draw, and it is prestressed steel bar post-tensioned construction technology that track plate or T type beam laterally connect.Relate to the influence of many factors such as loss of prestress, tensioning system frictional resistance, tensioning system precision, operating personnel's proficiency in the stretching process, be difficult to guarantee precision.The prestressed stretch-draw precision is one of essential condition of decision prestressed structure safety and non-fragment orbit and T type beam length phase stability; If the prestressed stretch-draw precision is out of control; Can cause then that gently crackle appears in track plate or T type beam anchored end, heavy then can cause that track plate or T type beam transverse crack, Longitudinal Warping arch camber, presstressed reinforcing steel occur and accident such as break.Because the prestressed stretch-draw precision accident of prestressed structure inefficacy, destruction and lives and properties massive losses that causes out of control happens occasionally.
Traditional post stretching technology is lifting jack of a pumping plant band, sees tensimeter manual operation pumping plant completion stretch-draw by manual work.On measuring technique, through reading the pressure of hydraulic system, and, converse stretching force according to the table of comparisons of hydraulic system and stretching force; Measurer manual measurements such as use meter ruler go out the displacement of stretch-draw.This stretching process has mixed a large amount of manual interventions, and operating process is numerous and diverse, and measuring accuracy is low, is difficult to guarantee the quality of stretch-draw, the stretch-draw inefficiency.The frequent feed technique of hydraulic system and lifting jack need superintendent office demarcates simultaneously, not only increases production cost but also influence manufacturing schedule.Original stretch-draw measuring method can not satisfy the needs of modern production.
Summary of the invention
The purpose of the utility model is to provide a kind of displacement measuring device that track plate or T type beam laterally connect robotization stretch-draw that is used for.
The overall technical architecture of the utility model is:
Be used for the displacement measuring device that track plate or T type beam laterally connect robotization stretch-draw; Comprise that being arranged at the inner and outer end of track plate or T type beam passes embedded iron and the deformed bar of assembling fastening with it in the anchor recess; Lifting jack is arranged at the outside of embedded iron, and the draw direction that stretches out direction and deformed bar of the fastening and tache motorice in the outer end of its tache motorice and deformed bar in the same way; The outer end of deformed bar is connected with the inner wringing fit of pull bar; The tache motorice wringing fit of the outer end of pull bar and lifting jack; Track plate or the T type beam surface of the stationary end roof pressure of lifting jack outside anchor recess, the tache motorice outer wall of lifting jack is fixed with displacement transducer, the coaxial setting of displacement transducer and deformed bar; The probe roof pressure of displacement transducer is slidingly matched in the jacket inner wall cecum and with its madial wall suit, and sheath is fixed in the stationary end surface of lifting jack.
Can be as required in reality the piston end of lifting jack or cylinder barrel be fitted in T type beam or track plate surface as stationary end; And with the corresponding other end through pull bar and deformed bar immovable fitting as tache motorice; Above structural adjustment belongs to the predictable category of those of ordinary skills, does not break away from the protection domain of the utility model.
The concrete technical conceive of the utility model also has:
For the stationary end that realizes lifting jack realizes applying preferably with track plate or T type beam; Thereby guarantee that further track plate or T type beam form stable good supporting to lifting jack; Preferred implementation is to fit in T type beam that the loading plate of described jack piston front end and anchor recess are outer or track plate surface.
Have guide effect simultaneously concurrently for displacement transducer is formed better protect, preferred implementation is that described displacement transducer suit is fixed in the surperficial sensor mount pad that is provided with of cylinder barrel of lifting jack, the coaxial setting of sensor mount pad and sheath.
For the cylinder barrel that makes displacement transducer and lifting jack form static relatively, with guarantee reading of data accurately, preferred embodiment be that described displacement transducer is fixed through screw and sensor mount pad.
The cylinder barrel outside of described pull bar outer end and lifting jack is through the fixing assembling of set nut.
For can monitoring, and guarantee the accuracy requirement of stretch-draw to the oil pressure in the lifting jack oil inlet pipe.The preferred construction design is to be provided with pressure transducer in the pipeline of the oil inlet pipe of described lifting jack.
The utility model is work like this:
Hydraulic power unit control oil gets into oil inlet pipe; The B chamber of pressure oil entering lifting jack just can promote cylinder body and move to the right; Because set nut and pull bar are the states of tightening, and can drive pull bar and move right, the pull bar left end connects together with deformed bar; Drive the deformed bar elongation immediately until needed stretch value, accomplish the mechanical tension process.The displacement transducer mount pad is welded on the lifting jack cylinder barrel; Rebound amount (overhang) through displacement sensor probe; Just can directly measure the elongation of deformed bar; Guarantee the deformed bar elongation within specialized range, avoided artificial offset deviation, guaranteed the stretch-draw displacement accuracy with tape measuring.
Data processing in the utility model can realize like this:
The hydraulic oil that pumps from Hydraulic Station passes through reversal valve respectively; Get into each self-corresponding lifting jack; In reversal valve and the hydraulic circuit that lifting jack is connected pressure transducer is installed; The pressure signal of lifting jack is passed to the A/D acquisition module respectively, and the displacement transducer of installing on the lifting jack can be sent to the A/D acquisition module with displacement signal.The A/D acquisition module sends to the PLC Programmable Logic Controller to the data that collect after treatment.PLC Programmable Logic Controller 10 output actions instruct reversal valve.The operator starts tensioning equipment through setting stretching mode, stretching force, holding parameter such as lotus time, and system will accomplish stretch-draw automatically.The PLC Programmable Logic Controller can be realized pressurization, release and the pressurize of lifting jack through the control of reversal valve; Cause is prior art and the commercially available prod is arranged for control technologys such as the signal Processing that sensor transmitted, central control, Hydraulic Station and reversal valves, so the applicant no longer is described in detail its structure.
The technical progress that the utility model is obtained is:
The utility model is through adopting displacement transducer in device, ingenious obtaining of realizing displacement data simply, and be convenient to prior art supporting realization and control automatically is simple to operate and degree of accuracy is high.The employing of pressure transducer has further guaranteed the precision of stretch-draw.
Description of drawings
The accompanying drawing of the utility model has:
Fig. 1 is the one-piece construction synoptic diagram of the utility model.
Reference numeral in the accompanying drawing is following:
1, track plate or T type beam; 2, loading plate; 3, pressure transducer; 4, embedded iron; 5, oil inlet pipe; 6, cylinder barrel; 7, pull bar; 8, set nut; 9, displacement transducer; 10, screw; 11, sensor mount pad; 12, lifting jack; 13, sheath; 14, fastener head; 15, deformed bar; 16, locknut; 17, gland.
Embodiment
Embodiment to the utility model further describes below in conjunction with accompanying drawing; But not as qualification to the utility model; The protection domain of the utility model is as the criterion with the content that claim limits; Any equivalence techniques means of having done according to this instructions are replaced, and all do not break away from the protection domain of the utility model.
The overall technical architecture of present embodiment is like diagram; Comprising be arranged at track plate or T type beam 1 inside and outer end pass in the anchor recess embedded iron 4 and with its deformed bar 15 through gland 17, locknut 16 fastening assemblings; Lifting jack 12 is arranged at the outside of embedded iron 4, and the draw direction that stretches out direction and deformed bar 15 of the fastening and tache motorice in the outer end of its tache motorice and deformed bar 15 in the same way; The outer end of deformed bar 15 is connected through fastener head 14 wringing fits with the inner of pull bar 7; The tache motorice wringing fit of the outer end of pull bar 7 and lifting jack 12; Track plate or T type beam 1 surface of the stationary end roof pressure of lifting jack 12 outside anchor recess; The tache motorice outer wall of lifting jack 12 is fixed with displacement transducer 9; Displacement transducer 9 and deformed bar 15 coaxial settings, the probe roof pressure of displacement transducer 9 is slidingly matched in sheath 13 inwall cecums and with its inwall suit, and sheath 13 is fixed in the surface of the loading plate 2 of lifting jack 12.
The loading plate 2 of described lifting jack 12 piston nose is fitted with outer track plate or T type beam 1 surface of anchor recess.
Described displacement transducer 9 is fixing with sensor mount pad 11 through screw 10.
Be provided with pressure transducer 3 in the pipeline of the oil inlet pipe 5 of lifting jack 12.
Claims (6)
1. be used for the displacement measuring device that track plate or T type beam laterally connect robotization stretch-draw; Comprise that being arranged at the inner and outer end of track plate or T type beam (1) passes embedded iron (4) and the deformed bar (15) of assembling fastening with it in the anchor recess; Lifting jack (12) is arranged at the outside of embedded iron (4), and the draw direction that stretches out direction and deformed bar (15) of the fastening and tache motorice in the outer end of its tache motorice and deformed bar (15) in the same way; The outer end that it is characterized in that described deformed bar (15) is connected with the inner wringing fit of pull bar (7); The tache motorice wringing fit of the outer end of pull bar (7) and lifting jack (12); Track plate or T type beam (1) surface of the stationary end roof pressure of lifting jack (12) outside anchor recess; The tache motorice outer wall of lifting jack (12) is fixed with displacement transducer (9); Displacement transducer (9) and the coaxial setting of deformed bar (15), the probe roof pressure of displacement transducer (9) is slidingly matched in sheath (13) inwall cecum and with its madial wall suit, and sheath (13) is fixed in the stationary end surface of lifting jack (12).
2. according to claim 1ly be used for the displacement measuring device that track plate or T type beam laterally connect robotization stretch-draw, it is characterized in that the loading plate (2) of described lifting jack (12) piston nose and outer track plate or T type beam (1) surface of anchor recess fit.
3. according to claim 2ly be used for the displacement measuring device that track plate or T type beam laterally connect robotization stretch-draw; It is characterized in that described displacement transducer (9) suit is fixed in the surperficial sensor mount pad (11) that is provided with of cylinder barrel (6) of lifting jack (12) sensor mount pad (11) and the coaxial setting of sheath (13).
4. according to claim 3ly be used for the displacement measuring device that track plate or T type beam laterally connect robotization stretch-draw, it is characterized in that described displacement transducer (9) is fixing through screw (10) and sensor mount pad (11).
5. according to claim 1ly be used for the displacement measuring device that track plate or T type beam laterally connect robotization stretch-draw, cylinder barrel (6) outside that it is characterized in that described pull bar (7) outer end and lifting jack (12) is through the fixing assembling of set nut (8).
6. according to claim 1ly be used for the displacement measuring device that track plate or T type beam laterally connect robotization stretch-draw, it is characterized in that being provided with pressure transducer (3) in the pipeline of oil inlet pipe (5) of described lifting jack (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201144302U CN202485652U (en) | 2012-03-23 | 2012-03-23 | Displacement measuring device for automatic tension of transverse linkage of track plate or T-shaped beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201144302U CN202485652U (en) | 2012-03-23 | 2012-03-23 | Displacement measuring device for automatic tension of transverse linkage of track plate or T-shaped beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202485652U true CN202485652U (en) | 2012-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201144302U Expired - Fee Related CN202485652U (en) | 2012-03-23 | 2012-03-23 | Displacement measuring device for automatic tension of transverse linkage of track plate or T-shaped beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202485652U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104369267A (en) * | 2014-10-30 | 2015-02-25 | 中铁三局集团有限公司 | Device and method for detecting deformation of tensioned cross beams of CRTS III two-way pretensioned prestressed track slab |
| CN106638319A (en) * | 2016-12-05 | 2017-05-10 | 中铁五局集团贵州工程有限公司 | Sleeve fastening device for finish-rolled threaded reinforcing bar anchorage device |
| CN107552603A (en) * | 2017-09-30 | 2018-01-09 | 中铁第四勘察设计院集团有限公司 | A kind of rail vehicle curb girder detection and adaptively correcting device and method |
-
2012
- 2012-03-23 CN CN2012201144302U patent/CN202485652U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104369267A (en) * | 2014-10-30 | 2015-02-25 | 中铁三局集团有限公司 | Device and method for detecting deformation of tensioned cross beams of CRTS III two-way pretensioned prestressed track slab |
| CN106638319A (en) * | 2016-12-05 | 2017-05-10 | 中铁五局集团贵州工程有限公司 | Sleeve fastening device for finish-rolled threaded reinforcing bar anchorage device |
| CN107552603A (en) * | 2017-09-30 | 2018-01-09 | 中铁第四勘察设计院集团有限公司 | A kind of rail vehicle curb girder detection and adaptively correcting device and 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: 20121010 Termination date: 20180323 |