CN101644613A - Pulling force tester for stayguy of guyed tower - Google Patents
Pulling force tester for stayguy of guyed tower Download PDFInfo
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- CN101644613A CN101644613A CN200910306382A CN200910306382A CN101644613A CN 101644613 A CN101644613 A CN 101644613A CN 200910306382 A CN200910306382 A CN 200910306382A CN 200910306382 A CN200910306382 A CN 200910306382A CN 101644613 A CN101644613 A CN 101644613A
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- pulling force
- strainer
- turnbuckle
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Abstract
The invention relates to a pulling force tester for stayguy of a guyed tower. The tester comprises an upper clamp plate, a lower clamp plate, a spiral strainer, a hydraulic jack strainer, a pulling force sensor, a digital display gauge, rigging shackles, and the like, wherein an inner screw rod and an outer sleeve of the spiral strainer are in threaded connection with each other, the spiral strainer is connected on the left sides and the right sides of the upper clamp plate and the lower clamp plate, one end of the spiral strainer is connected with the hydraulic jack strainer which can be connected with the upper clamp plate or the lower clamp plate, the other end of the spiral strainer can be directly connected with the upper clamp plate or the lower clamp plate or by the pulling force sensor, the digital display gauge is connected on the pulling force sensor, and an oil pressure gauge is connected on the hydraulic jack strainer. The invention has the advantages that the tester is light and portable, can operate on the ground, needs less operating staff and can be taken out by just two users; and when used for testing the pulling force of the stayguy, the tester does not damage the stayguy, test data is accurate, test time is short, and one stayguy can be tested in 10 minutes.
Description
Technical field:
The present invention relates to a kind of pulling force tester for stayguy of guyed tower.
Background technology:
The medium short wave antenna is the visual plant in broadcasting station.Most of medium-wave antenna adopts Guywire tower as emitter in China, and most of short-wave antenna adopts Guywire tower as stilt.After Guywire tower sets up 1 year, need carry out the adjustment of structure inspection, initial tension test, verticality.Later on general overhaul maintenance test adjustment in per 5 years once could guarantee the reliability service of medium short wave antenna like this.The Guywire tower backguy has a very important index, will keep the design initial tension of backguy exactly, could guarantee the stability of Guywire tower like this, and therefore testing the backguy initial tension is an important job.Because the medium-wave tower maintenance is inconsiderate, and Guywire tower backguy initial tension does not meet the demands, can not keep the stable of tower in China, the incident of tower also took place repeatedly, and this has caused our great attention.
In the overhaul maintenance process of in the past medium short wave antenna, the method that we test the backguy pulling force has many shortcomings:
(1) damages backguy (position of card test rope sling in formal backguy, when connecting test cucurbit and draw-bar donamometer and be able to eat strength, formal backguy meeting bending) easily;
(2) measure inaccurate (when the test cucurbit was able to eat strength, tower can be biased to this angle of test pulling force);
(3) tool using many, heavy (will be with ladder, rope sling, snap ring, rigging shackle, cucurbit, draw-bar donamometer, used cucurbit, draw-bar donamometer will match with the backguy pulling force, and it is big slightly to require to bear pulling force);
(4) drop into manpower many (general backguy position does not have regular road, tool equipment is disposable enters, and wants 4 people to participate in work at least);
(5) labour's intensity (will go up ladder and work aloft, rope sling is stuck on the formal line greatly; The cucurbit hanging point hangs up by the people than higher; The backguy pulling force is big, draws people's strength of cucurbit also to want Fei Deda);
(6) backguy pulling force length consuming time of test approximately needs more than 30 minute, even longer.
(7) the employing pulley blocks, the wire rope that have of the backguy pulling force of big position, turn a millstone, or use more than 10 ton of cucurbit, heavy degree is well imagined.
Because these shortcomings, antenna overhaul test backguy initial tension, several towers are generally only surveyed several backguy pulling force, and most of backguy pulling force approves by rule of thumb, is not very science, standard.
Summary of the invention:
The objective of the invention is to overcome the above-mentioned defective that prior art exists, provide a kind of and can improve the overhaul maintenance quality, increase work efficiency the pulling force tester for stayguy of guyed tower that reduces labor intensity.
Technical scheme of the present invention is as follows: it is to be made of last lower plate, spiral strainer, hydraulic jack strainer, pulling force sensor, digital wash, rigging shackle; Two ends at last lower plate are provided with bolt hole, are provided with backguy turnbuckle pilot hole in the centre of last lower plate; The spiral strainer is made of inner screw and outer sleeve, is threaded between inner screw and the outer sleeve, by regulating the screw thread between inner screw and the outer sleeve, the length of scalable strainer; The spiral strainer is connected the left and right sides of lower plate; One end of spiral strainer connects the hydraulic jack strainer, and the hydraulic jack strainer is connected with train wheel bridge or lower plate; The other end of spiral strainer directly is connected with lower plate or train wheel bridge, and the other end of spiral strainer is connected with lower plate or train wheel bridge by pulling force sensor; Be connected with digital wash on pulling force sensor, pulling force directly shows; On the hydraulic jack strainer, be connected with oil pressure gauge (oil pressure gauge can show the pulling force of Guywire tower backguy, but needs to convert).
During use, the backguy turnbuckle that Guywire tower is intrinsic being fixed in the backguy turnbuckle pilot hole between two bolts in the middle of last lower plate that be locked, and train wheel bridge is clamped in the upper end of the top nut of backguy turnbuckle, lower plate is clamped in the lower end of the lower nut of backguy turnbuckle, lower plate also can be clipped on the earth anchor rod, be subjected to some power by initial adjustment left and right sides double hook strainer, make the lower plate left and right sides become mutually perpendicular frame, and then by accurately regulating the hydraulic jack strainer that double hook strainer end connects, make stressed the cracking fully on the backguy tensile test device on the backguy turnbuckle, can fine motion backguy turnbuckle with hand, the pulling force that this moment, digital wash showed is half of Guywire tower backguy pulling force.
The present invention has following advantage: (1) equipment is light, small and exquisite, can be at Ground Operation; (2) operating personnel are few, and 2 people just can be the tool equipment work of taking; (3) without any damage, test data is accurate to backguy when test, and the test duration is short, just can test a backguy in 10 minutes; (4) the backguy turnbuckle to different tonnages has the different collars spacing, and the lower plate center is at backguy turnbuckle center in the assurance.
Description of drawings:
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is the structural representation of hydraulic jack strainer.
Fig. 3 is a user mode structural representation of the present invention.
Label declaration: 1 clamping plate, 2 double hook strainers, 3 hydraulic jack strainers, 4 oil pressure gauges, 5 pulling force sensors, 6 digital washes, 7 bolts hole, 8 clamping plate backguy turnbuckle pilot holes, 9 hooks, 10 inner screws, 11 outer sleeves, 12 rigging shackles, 13 pulling force lead screw, fixing female on 14,15 times are fixing female, 16 lead screw draw ring A, 17 lead screw draw ring B, 18 high-pressure pumps, 19 retaining collars, 20 cylinder shells, 21 pistons, 22 fixed blocks, 23 extendable rooms, 24 hydraulic chambers, 25 O-ring seals, 28 pins are won in 26 oil pipes, 27 welding in succession, 29 earth anchor rod, 30 backguys.
Embodiment:
As shown in figs. 1 and 3, the present invention is made of clamping plate 1, double hook strainer 2, hydraulic jack strainer 3, oil pressure gauge 4, pulling force sensor 5, digital wash 6; Clamping plate have four, structure is all identical, last lower plate respectively has two, the left and right sides at last lower plate 1 all is arranged with bolt hole 7, be provided with two backguy turnbuckle pilot holes 8 in the middle of it, in two bolts hole 7, be provided with pulling force lead screw 13, in two backguy turnbuckle pilot holes 8, be provided with the turnbuckle bolt; The backguy turnbuckle is placed between two turnbuckle bolts, and two train wheel bridges and two lower plates are clamped in the upper and lower side of backguy turnbuckle therebetween respectively; Because the backguy turnbuckle has multiple model, the thickness difference, for the backguy turnbuckle can just in time be clipped between two turnbuckle bolts and do not produce big gap, can be at two turnbuckle bolt peripheral hardware retaining collars 19, set collar is provided with plurality of specifications according to the thickness difference; Go up fixing female 14 lower ends at two train wheel bridges, go up fixing female 14 and two screw thread distances are arranged apart from backguy turnbuckle middle boxes, fixing down female 15 the upper ends of backguy turnbuckle at two lower plates, down fixing female 15 have two screw thread distances apart from backguy turnbuckle middle boxes, purpose is to transform on the pulling force tester for stayguy of guyed tower when the backguy pulling force, and backguy turnbuckle middle boxes can fine rotation.For the convenience that connects, be provided with hook 9 at the two ends of described strainer, so claim that strainer is the double hook strainer, be provided with inner screw 10 and outer sleeve 11 at the interlude of double hook strainer 2, between inner screw and the outer sleeve by being threaded; The hook of one end of two double hook turnbuckles 2 and the left and right sides that is fixed on lower plate after the 3 usefulness rigging shackles of hydraulic jack strainer are connected; As shown in Figure 1, generally, the lower end that the hydraulic jack strainer is connected the double hook strainer is for well.For easy to connect, be equipped with rigging shackle 16 at the two ends of pulling force sensor 5, pulling force sensor and lead screw draw ring are by being threaded; Wherein the hook of the other end of a double hook strainer is by being connected of rigging shackle 16 and pulling force sensor one end, and the other end of pulling force sensor is connected with pulling force lead screw 13.Generally, the upper end that pulling force sensor is connected the double hook strainer is for well, and the other end of pulling force sensor is connected with pulling force lead screw between two train wheel bridges; On pulling force sensor, be connected with digital wash 6.The other end of another double hook turnbuckle directly is connected with the pulling force lead screw.On the hydraulic jack strainer, be connected with oil pressure gauge 4, high-voltage tube, high-pressure pump.In order to make the coupling part between each parts not fragile, and do not produce additional acting force, between pulling force sensor and double hook strainer, between double hook strainer and the hydraulic jack strainer, be connected by rigging shackle 12.
Because the Guywire tower specification is varied, in order to adapt to the needs of use, the last lower plate in the chest expander tester of the present invention, pulling force sensor, double hook strainer, hydraulic jack strainer, set collar are equipped with multiple model
By Theoretical Calculation, make and reasonably go up lower plate.Last lower plate no matter on weight still structurally, all be about and symmetrical expression up and down.Lower plate fulcrum in the searching utilizes backguy turnbuckle top fixing female 14 to be last central pivot point, is central pivot point down with backguy turnbuckle fixing down female 15, also can utilize anchor pole weldering plate in ground to be central pivot point down.
When pulling force tester for stayguy of guyed tower the right and left of the present invention force balance, last lower plate left and right sides distance equates, clamping plate are vertical with the backguy turnbuckle, at this moment backguy turnbuckle, backguy turnbuckle have a minim gap with the pin that is connected of ground anchor pole weldering plate hole, do not have stressed, hand can rotate, and looks the backguy pulling force and decomposes, is the backguy pulling force so that the digital wash 6 of this moment is on duty with 2.
The double hook strainer works to adjust distance and the tension of little tonnage in the backguy tensile test, just hard with the double hook strainer when the large-tonnage pulling force, adopt the hydraulic jack strainer to have the labour-saving effect this moment, and can the balance left and right sides stressed, makes test more accurate.
As shown in Figure 2, described hydraulic jack strainer is made of two hydraulic jack shells 20, four lead screw draw rings 17, three high-voltage tubes, high-pressure pump 18, an oil pressure gauge 4.The utilization hydraulic principle is manufactured two hydraulic cylinders, can balance shrink the tension object, and instrument is small and exquisite, can strain the object of 20 tons of 10 Zhao, even the object of bigger pulling force.
Tensile test device type: 1, present, using maximum initial tensions that are 1 meter light-duty Guywire tower of hem width, backguy pulling force generally design maximum is 6 tons, and the present invention can design one can test maximum pull at 8 tons tensile test device.2, generally designing maximum initial tension for the Guywire tower, the backguy pulling force that use 1.5 meters hem widths is 12 tons, and the present invention can design one can test maximum pull at 14 tons tensile test device.3, be 18 tons for using 1.5 meters Guywire tower, backguy pulling force more than the hem width generally to design maximum initial tension, the present invention can design one can test maximum pull at 20 tons tensile test device.
Claims (6)
1. pulling force tester for stayguy of guyed tower, it is characterized in that: it is to be made of last lower plate, spiral strainer, hydraulic jack strainer, pulling force sensor, digital wash, rigging shackle device; Two ends at last lower plate are provided with bolt hole, are provided with backguy turnbuckle pilot hole in the centre of last lower plate; The spiral strainer is made of inner screw and outer sleeve, between inner screw and the outer sleeve for being threaded, by regulating the screw thread between inner screw and the outer sleeve, the length of scalable spiral strainer; The spiral strainer is connected the left and right sides of lower plate; End at the spiral strainer connects the hydraulic jack strainer, is connected with train wheel bridge or lower plate by the hydraulic jack strainer; The other end of spiral strainer directly is connected with lower plate or train wheel bridge, and the other end of spiral strainer is connected with lower plate or train wheel bridge by pulling force sensor; On pulling force sensor, be connected with digital wash; On the hydraulic jack strainer, be connected with oil pressure gauge.
2. pulling force tester for stayguy of guyed tower according to claim 1, it is characterized in that: described clamping plate have four, structure is all identical, last lower plate respectively has two, the left and right sides at last lower plate all is arranged with bolt hole, be arranged with two backguy turnbuckle pilot holes in the middle of it, in two bolts hole, be provided with the pulling force lead screw, in two backguy turnbuckle pilot holes, be provided with the turnbuckle bolt.
3. pulling force tester for stayguy of guyed tower according to claim 2, it is characterized in that: the two ends at described spiral strainer are provided with hook, be called the double hook strainer, the hook of double hook turnbuckle one end is with the rigging shackle and the left and right sides that is fixed on lower plate after the hydraulic jack strainer is connected; Wherein the other end of a double hook strainer is connected with pulling force sensor, and by the lead screw draw ring that has been threaded, the other end of pulling force sensor is connected with the pulling force lead screw of clamping plate, is connected with digital wash on pulling force sensor at the two ends of pulling force sensor; The other end of another double hook turnbuckle directly is connected with the pulling force lead screw of clamping plate.
4. pulling force tester for stayguy of guyed tower according to claim 3 is characterized in that: be connected with oil pressure gauge on the hydraulic jack strainer.
5. pulling force tester for stayguy of guyed tower according to claim 4 is characterized in that: between pulling force sensor and the double hook strainer, be connected by the rigging shackle between double hook turnbuckle and the hydraulic jack strainer.
6. pulling force tester for stayguy of guyed tower according to claim 5 is characterized in that: at two clamping plate backguy turnbuckle bolt peripheral hardware retaining collars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910306382A CN101644613A (en) | 2009-08-31 | 2009-08-31 | Pulling force tester for stayguy of guyed tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910306382A CN101644613A (en) | 2009-08-31 | 2009-08-31 | Pulling force tester for stayguy of guyed tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101644613A true CN101644613A (en) | 2010-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910306382A Pending CN101644613A (en) | 2009-08-31 | 2009-08-31 | Pulling force tester for stayguy of guyed tower |
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| CN (1) | CN101644613A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507177A (en) * | 2011-11-29 | 2012-06-20 | 巨力索具股份有限公司 | Hydraulic separating clamp |
| CN102706487A (en) * | 2012-05-04 | 2012-10-03 | 昆山沪光汽车电器有限公司 | Tension detecting device |
| CN103528743A (en) * | 2013-10-21 | 2014-01-22 | 江苏东阁不锈钢制品有限公司 | Force measurement tensioning device for steel structural stay rope |
| CN106441683A (en) * | 2016-08-30 | 2017-02-22 | 中国电力科学研究院 | Wire rope tension measurement system with sphenoid, and wire rope tension measurement method |
| CN106441682A (en) * | 2016-08-30 | 2017-02-22 | 中国电力科学研究院 | Wire rope tension measurement device and method with self-locking thread jamming function |
| CN108072475A (en) * | 2017-12-30 | 2018-05-25 | 广州广兴牧业设备集团有限公司 | Egg collection band dynamometry compressing apparatus |
| CN108469325A (en) * | 2018-03-01 | 2018-08-31 | 广州杰赛科技股份有限公司 | Guywire tower bracing wire device for monitoring tension |
| CN109027622A (en) * | 2018-06-22 | 2018-12-18 | 苏交科集团检测认证有限公司 | For testing the fixation device and application method of fundamental frequency at flexible Cable Structure 1/3 |
| CN109443619A (en) * | 2018-12-24 | 2019-03-08 | 尚廷东 | Stretching force detecting apparatus and detection method between a kind of tension member |
| CN110864842A (en) * | 2019-11-25 | 2020-03-06 | 一汽解放汽车有限公司 | Traction force measuring device of pure electric light truck |
| WO2022042757A1 (en) * | 2020-08-27 | 2022-03-03 | 中国十七冶集团有限公司 | Turnbuckle screw displacement tension automatic adjusting mechanism and method for using same |
-
2009
- 2009-08-31 CN CN200910306382A patent/CN101644613A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507177A (en) * | 2011-11-29 | 2012-06-20 | 巨力索具股份有限公司 | Hydraulic separating clamp |
| CN102507177B (en) * | 2011-11-29 | 2014-11-19 | 巨力索具股份有限公司 | Hydraulic separating clamp |
| CN102706487A (en) * | 2012-05-04 | 2012-10-03 | 昆山沪光汽车电器有限公司 | Tension detecting device |
| CN103528743A (en) * | 2013-10-21 | 2014-01-22 | 江苏东阁不锈钢制品有限公司 | Force measurement tensioning device for steel structural stay rope |
| CN106441683A (en) * | 2016-08-30 | 2017-02-22 | 中国电力科学研究院 | Wire rope tension measurement system with sphenoid, and wire rope tension measurement method |
| CN106441682A (en) * | 2016-08-30 | 2017-02-22 | 中国电力科学研究院 | Wire rope tension measurement device and method with self-locking thread jamming function |
| CN108072475A (en) * | 2017-12-30 | 2018-05-25 | 广州广兴牧业设备集团有限公司 | Egg collection band dynamometry compressing apparatus |
| CN108469325A (en) * | 2018-03-01 | 2018-08-31 | 广州杰赛科技股份有限公司 | Guywire tower bracing wire device for monitoring tension |
| CN109027622A (en) * | 2018-06-22 | 2018-12-18 | 苏交科集团检测认证有限公司 | For testing the fixation device and application method of fundamental frequency at flexible Cable Structure 1/3 |
| CN109027622B (en) * | 2018-06-22 | 2020-04-10 | 苏交科集团检测认证有限公司 | Fixing device for testing fundamental frequency at 1/3 position of flexible cable structure and using method |
| CN109443619A (en) * | 2018-12-24 | 2019-03-08 | 尚廷东 | Stretching force detecting apparatus and detection method between a kind of tension member |
| CN110864842A (en) * | 2019-11-25 | 2020-03-06 | 一汽解放汽车有限公司 | Traction force measuring device of pure electric light truck |
| WO2022042757A1 (en) * | 2020-08-27 | 2022-03-03 | 中国十七冶集团有限公司 | Turnbuckle screw displacement tension automatic adjusting mechanism and method for using same |
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Open date: 20100210 |