CN2897723Y - Cable tension measuring mechanism with application function for railway contact net - Google Patents
Cable tension measuring mechanism with application function for railway contact net Download PDFInfo
- Publication number
- CN2897723Y CN2897723Y CN 200620095005 CN200620095005U CN2897723Y CN 2897723 Y CN2897723 Y CN 2897723Y CN 200620095005 CN200620095005 CN 200620095005 CN 200620095005 U CN200620095005 U CN 200620095005U CN 2897723 Y CN2897723 Y CN 2897723Y
- Authority
- CN
- China
- Prior art keywords
- friction
- tension
- measuring mechanism
- tension force
- bracing frame
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses rope tension applying and measuring mechanism for a railway contact line; wherein, two support shafts are arranged in parallel on the support of the mechanism; a friction wheel and a free wheel are arranged on the support shaft, and two friction wheels form a friction pair; a drive unit is arranged on the support and gearedly connected with the friction pair; a tension measuring device is arranged on the support pedestal. When the utility model is in operation, the drive unit drives the friction wheel to rotate, utilizes frictional force to strengthen the tension of the rope wound on the friction wheel; the wire set out during operation enters the tension measuring device, which can measure the component force in vertical direction and obtain the actual value of tension of the wire indirectly, and protect conductor from damage by means of wire pressing device and wire blocking device. Compared with prior art, the utility model has the advantages of stable tension and accurate measurement of tension when setting out the wire, high operation quality and efficiency among other advantages.
Description
Technical field
Lead or catenary tension force that the utility model relates to a kind of constant-tension stringing vehicle of railway contact line installation apply and measuring mechanism.
Background technology
At present, the homemade small tension receiving coil paying-out operation vehicle that domestic railway interests generally uses is to produce pressure oil by manual fuel pump, produce friction drag with brake cylinder braking wire coil shaft, make lead or catenary produce laying tension under the drive of tractor truck, when tractor truck stops laying tension disappears.So plant vehicle, there are deficiencies such as laying tension little (3-10kN), tension force instability, unwrapping wire be of poor quality owing to do not have active tension applying mechanism, laying tension measuring mechanism, closed loop tension control system etc.
Summary of the invention
The purpose of this utility model is to overcome the above-mentioned deficiency of prior art, provides a kind of and can initiatively apply laying tension and the railway contact-net paying-out thread tension force that laying tension is measured and regulated is applied and measuring mechanism.
The technical solution of the utility model is that forming the railway contact-net paying-out thread tension force by bracing frame, actuating device, friction wheel, free gear, cord grip, retaining line apparatus, tension measuring device, protective cover etc. applies and measuring mechanism.Parallel on the bracing frame of this mechanism two pivot shafts are installed, friction wheel is housed respectively on the pivot shaft, two friction wheels friction pair that partners; Be provided with actuating device on bracing frame, actuating device and friction pair are in transmission connection; Tension measuring device is installed on the bracing frame base.
Its roller set of tension measuring device described in the utility model is installed on the roller mount, and roller mount is movably connected on the leverage end; Draw/the pressure sensor two ends are provided with connecting rod, and connecting rod is movably connected on respectively on leverage and the base; Leverage and base are hinged.
Actuating device described in the utility model, the two ring gears engagement on its driving gear and friction pair.
Friction pair described in the utility model, actuating device, tension measuring device can be 1～2 cover, forming independently, tension force applies and measuring mechanism, every cover comprises that tension measuring device one cover, friction wheel two pairs, actuating device one cover forms, and laterally is loaded on bracing frame one side, vertically symmetry is loaded on the bracing frame two ends.
The utility model can only be installed a cover tension force and apply and measuring mechanism, is used to carry out the operation of single line unwrapping wire; Can overlap independently also that tension force applies and measuring mechanism is formed by two, carry out the operation of two-wire unwrapping wire simultaneously.
Be provided with the retaining line apparatus between friction pair of the present utility model and the bracing frame.
Actuating device of the present utility model utilizes friction force to amplify the tension force that is wrapped in clue on the friction wheel by the motion of gear mesh driving friction wheel; The clue of being emitted during operation enters tension measuring device, is measured the component of its vertical direction and is obtained the actual value of thread tension force indirectly by tension measuring device.Injury-free by guardwires such as cord grip and retaining line apparatus.
Compared with prior art, the utlity model has and can initiatively produce, detect and regulate laying tension, laying tension is big, tension stability, and tonometry is accurate, can improve advantages such as unwrapping wire operation quality and work efficiency.
The embodiment that provides below in conjunction with accompanying drawing is described in further detail the utility model.
Description of drawings
Fig. 1 is a structural representation of the present utility model; Fig. 2 is the lateral plan of Fig. 1; Fig. 3 is the birds-eye view of Fig. 1; Fig. 4 is the tension measuring device structural representation.
The specific embodiment
Among Fig. 1, present embodiment overlaps independently by two that tension force applies and measuring mechanism is formed.Bracing frame 2 is used to install that tension force applies and each parts of measuring mechanism, parallel on the bracing frame 2 two pivot shafts 10 is installed
-1, 10
-2, pivot shaft 10
-2On two concentric friction wheels 6 are installed
-2Pivot shaft 10
-1On two concentric friction wheels 6 are installed
-1, and at friction wheel 6
-1The outside a concentric free gear 5 respectively is installed; Two friction wheels 6 of the same side on two pivot shafts 10
-1, 6
-2The friction pair that partners is formed two pairs of separate friction pairs altogether.Bracing frame 2 is provided with two cover actuating devices 8, respectively by its driving gear and wherein two a ring gears engagement of overlapping on the friction pair, can drive the friction pair rotation, and friction pair amplifies the tension force that twines clue thereon by static friction force, and two clues of being put simultaneously for constant-tension stringing vehicle provide laying tension respectively.1 is protective cover, is used to protect the gear ring of actuating device 8 and friction wheel 6.(being two friction wheels, the 6 positive centre bottom of bracing frame 2 homonymies) has tension measuring device 3 at positive center, every pair of friction pair bottom, and promptly tension measuring device 3 is installed in friction wheel 6
-2And on 2 bases of the bracing frame between the free gear 5, the friction wheel 6 that the roller groove of its roller set and free gear wire casing, clue are left at last
-2Wire casing is in the same vertical plane surface; Each roller of roller set is positioned at friction wheel 6
-2On the circumference of the circumcircle of free gear 5 (among the figure shown in the dotted line), so the vertical component of clue is born simultaneously by several rollers, single roller stressed little can not caused damage to the clue surface.Clue 9 is passed and is walked around free gear 5 behind the roller of tension measuring device 3 again and leave this mechanism and carry out unwrapping wire, the tension measuring device installation site is lower, with the tensile stress of induction clue 9 vertical direction component, obtain the actual tension value of clue 9 indirectly by the component of measuring the clue vertical direction.4 is cord grip.
Among Fig. 2, actuating device 8 is a hydraulic drive mechanism, mainly comprises hydraulic drive motor, reductor, drg, driving gear etc.Reductor is installed on the bracing frame, and gear is connected by flat key with reductor.Actuating device 8 is used to provide the power of tension mechanism.Friction wheel 6 comprises compositions such as friction lining, friction disc, gear ring, bearing, axle and axle sleeve, friction disc is installed on the pivot shaft 10 of bracing frame by parts such as bearing, axle sleeve and axles, power is obtained in driving gear engagement by gear ring and actuating device, friction lining is installed on the outer ring of friction wheel, which is provided with wire casing 11, make by high coefficient of friction material.Friction wheel 6 is used for the actuating device moment of torsion is delivered to the clue on wire casing 11 surfaces, and the tension force in the clue is amplified.5 is free gear.3 is tension measuring device.
Among Fig. 3, the bracing frame two ends are provided with cord grip 4.Cord grip 4 comprises parts such as support, fabric wheel, handwheel, screw rod, axis pin of the spring, and cord grip can promote fabric wheel motion by handwheel and screw rod clue tightly is pressed on the wire casing, prevents that clue from taking off groove from wire casing.Free gear 5 is installed in friction wheel 6
-1The outside, its diameter is identical with friction wheel, is made up of liner, rolling disk, bearing and axle sleeve etc., and effect is itself and friction wheel 6
-1Separate, and can be at pivot shaft 10
-1Go up with pivot shaft 10
-1For rotating freely, the center do not have rotary resistance (rotary resistance is minimum ignores), the tension force equivalent of emitting clue is delivered in the tension measuring device undampedly, makes the detected thread tension force value of tension measuring device can accurately reflect the actual tension of clue.Two pivot shafts 10
-1, 10
-2Two friction wheels 6 of last the same side
-1, 6
-2Friction pair partners.Be provided with retaining line apparatus 7 between friction wheel 6, free gear 5 and the bracing frame, retaining line apparatus 7 is loaded on the bracing frame two ends, and because of after the abnormal condition clue takes off groove, retaining line apparatus 7 can protect clue not snap in damage wires in the space between bracing frame and each parts.
Among Fig. 4, tension measuring device is installed on the bracing frame, its roller set 12 by several hardness ratio clues low slightly and roller that the abrasion resistant material forms form, be installed on the roller mount 13; Roller mount 13 is articulated in leverage 16 ends; Pulling force sensor 14 is used to respond to the vertical tension of clue, and its two ends are equipped with connecting rod free to rotate 15, and connecting rod 15 tops and leverage 16 are hinged, and connecting rod 15 bottoms and base 18 are hinged, and assurance sensor 14 is not subjected to shearing stress and damages; Leverage 16 is hinged with base 18.Leverage 16 is used for that the vertical tension that roller set 12 is responded to is delivered to sensor 14 to be measured, and increases the measurement range and the sensitivity of sensor 14.17 is protective cover, can protect sensor 14 not to be subjected to the erosion of dust, rainwater.
During the utility model operation, clue is pulled out the back from friction wheel 6 by pay off rack
-2Enter, be wrapped on two friction wheels 6, can twine five circles at most; Cord grip 4 tightly is pressed in clue 9 on the wire casing 11, prevents clue 9 slippage from wire casing 11; Actuating device 8 is by 6 motions of gear drive friction wheel, and friction wheel rotation trend is opposite with the sense of motion of clue during the unwrapping wire operation.Because the effect of friction force makes the thread tension force that is wrapped on the friction wheel 6 be amplified to requirements; Clue 9 is from friction wheel 6
-2Come out after the roller set 12 freedoms of entry wheel 5 of overtension measurement mechanism 3 finally leaves this mechanism through free gear 5 guiding.
Claims (8)
1, a kind of railway contact-net paying-out thread tension force applies and measuring mechanism, it is characterized in that: the bracing frame of this mechanism (2) is gone up parallel two pivot shafts (10 that are equipped with
-1, 10
-2), pivot shaft (10
-1, 10
-2) on friction wheel (6 is housed respectively
-1, 6
-2), two friction wheels (6
-1, 6
-2) friction pair partners; Be provided with actuating device (8) on bracing frame (2), actuating device (8) is in transmission connection with friction pair; Tension measuring device (3) is installed on bracing frame (2) base.
2, thread tension force according to claim 1 applies and measuring mechanism, it is characterized in that: described friction pair, actuating device (8), tension measuring device (3) are 1～2 cover.
3, thread tension force according to claim 1 applies and measuring mechanism, it is characterized in that: at friction wheel (6
-1) outside is equipped with can be at pivot shaft (10
-1) free gear (5) that freely rotates.
4, thread tension force according to claim 1 applies and measuring mechanism, it is characterized in that: tension measuring device (3), its roller set (12) are installed on the roller mount (13), and roller mount (13) is movably connected on leverage (16) end; Draw/pressure sensor (14) two ends to be provided with connecting rod (15), connecting rod (15) is movably connected on respectively on leverage (16) and the base (18); Leverage (16) is hinged with base (18).
5, apply and measuring mechanism according to claim 1 or 4 described thread tension force, it is characterized in that: described tension measuring device (3) is installed in friction wheel (6
-2) and free gear (5) between bracing frame (2) base on, roller groove of its roller set (12) and free gear (5) wire casing, friction wheel (6
-2) the wire casing vertical plane surface that exists together, each roller of roller set (12) is positioned at friction wheel (6
-2) and the circumscribed circumference of free gear (5) on.
6, thread tension force according to claim 1 applies and measuring mechanism, it is characterized in that: actuating device (8), two ring gears on its driving gear and friction pair mesh simultaneously.
7, thread tension force according to claim 1 applies and measuring mechanism, it is characterized in that: be provided with retaining line apparatus (7) between friction pair and the bracing frame (2).
8, thread tension force according to claim 1 applies and measuring mechanism, it is characterized in that: bracing frame (2) two ends are provided with cord grip (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620095005 CN2897723Y (en) | 2006-01-11 | 2006-01-11 | Cable tension measuring mechanism with application function for railway contact net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620095005 CN2897723Y (en) | 2006-01-11 | 2006-01-11 | Cable tension measuring mechanism with application function for railway contact net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2897723Y true CN2897723Y (en) | 2007-05-09 |
Family
ID=38073060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620095005 Expired - Lifetime CN2897723Y (en) | 2006-01-11 | 2006-01-11 | Cable tension measuring mechanism with application function for railway contact net |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2897723Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100999195B (en) * | 2006-01-11 | 2010-08-04 | 襄樊金鹰轨道车辆有限责任公司 | Payoff tension applied and measuring mechanism of railroad contact networks wire |
| CN102501782A (en) * | 2011-10-31 | 2012-06-20 | 中国铁建电气化局集团有限公司 | Wire pressing device for pay-off construction of contact wires |
| CN104627028A (en) * | 2015-02-13 | 2015-05-20 | 中国铁建电气化局集团第五工程有限公司 | Device for rigid catenary contact line installation and greasing |
| CN110116931A (en) * | 2018-02-05 | 2019-08-13 | 蔡明宇 | A kind of carbon-fibre wire installation detection control hunting gear |
-
2006
- 2006-01-11 CN CN 200620095005 patent/CN2897723Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100999195B (en) * | 2006-01-11 | 2010-08-04 | 襄樊金鹰轨道车辆有限责任公司 | Payoff tension applied and measuring mechanism of railroad contact networks wire |
| CN102501782A (en) * | 2011-10-31 | 2012-06-20 | 中国铁建电气化局集团有限公司 | Wire pressing device for pay-off construction of contact wires |
| CN104627028A (en) * | 2015-02-13 | 2015-05-20 | 中国铁建电气化局集团第五工程有限公司 | Device for rigid catenary contact line installation and greasing |
| CN110116931A (en) * | 2018-02-05 | 2019-08-13 | 蔡明宇 | A kind of carbon-fibre wire installation detection control hunting gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20070509 Effective date of abandoning: 20100804 |