CN210051464U - Steel wire rope tension measuring device - Google Patents

Abstract

The utility model discloses a wire rope tension measuring device, which relates to the technical field of rope measurement and comprises a bearing frame, wherein a pull rope component is arranged in the middle of the bearing frame, rollers are arranged at both ends of the bearing frame, a limiting frame in the shape of Contraband is arranged at both ends of the bearing frame, one end of the limiting frame is hinged with the bearing frame, the other end of the limiting frame is a free end, the free end is provided with a locking piece used for limiting the rotation of the limiting frame, and a resisting block is arranged in the limiting frame in a sliding way; the two limiting frames are respectively provided with a sliding assembly, each sliding assembly comprises a tight-abutting screw rod and a hand wheel, the tight-abutting screw rods are rotatably arranged on one side of the frame, the tight-abutting blocks are sleeved on the tight-abutting screw rods and are in threaded connection with the tight-abutting screw rods, and the hand wheels and the tight-abutting screw rods are coaxially fixed; and clamping components are arranged at two ends of the bearing frame. The utility model discloses a support tight piece and gyro wheel and press from both sides the wire rope at load frame both ends tightly to reduce the influence that receives all the other wire ropes of wire rope when tension test between the load frame both ends, with this accuracy that has improved wire rope's tension test.

Description

Steel wire rope tension measuring device

Technical Field

The utility model belongs to the technical field of the rope measuring technique and specifically relates to a wire rope tension measuring device is related to.

Background

Cable force is an important parameter of cable construction. During construction, cable force control is a crucial factor in relation to the forces and structural conditions within the overall structure. The cable force in the use stage has more important influence on the service life of the structure. The cable force measuring method commonly applied in China at present can only measure the cable force in the tensioning stage, and the cable force cannot be measured after tensioning is finished. In the construction process, after one steel cable is tensioned to a design value according to design requirements, tensioning other steel cables can change the cable force of the tensioned cable, and the whole structure can be damaged or even disastrous accidents can occur. Therefore, a nondestructive measuring device for accurately measuring the cable force is urgently needed in the engineering field.

In order to solve the problems, the Chinese patent with the patent publication number of CN201583373U provides a rope tension tester, which comprises a display device, a bearing frame, a tension sensor and a rope clamping mechanism arranged at the lower end of the bearing frame, wherein fulcrum devices are arranged at two ends of the bearing frame and comprise two bearing blocks, the two bearing blocks are respectively arranged at two ends of the bearing frame, the two bearing blocks are consistent in height, and arc-shaped grooves corresponding to the shape of a rope to be measured are formed in the lower sides of the bearing blocks. The utility model discloses press part and fulcrum device to among the prior art improve, utilize recess and the better cooperation of the rope of measurand on compact heap and the load piece, make the measurement more accurate.

The above prior art solutions have the following drawbacks: when the steel wire rope is used for tension test, because the steel wire rope is erected and installed, the rope tension tester is erected on the steel wire rope, two ends of the rope tension tester are clamped and embedded with the steel wire rope through the bearing blocks, and a rope in the middle of the two bearing blocks is pulled to obtain tension data.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a conveniently measure tensile wire rope tension measuring device of each section of wire rope.

The utility model discloses a can realize through following technical scheme:

a steel wire rope tension measuring device comprises a bearing frame, wherein a pull rope assembly is arranged in the middle of the bearing frame, rollers are arranged at two ends of the bearing frame, Contraband-shaped limiting frames are arranged at two ends of the bearing frame, one end of each limiting frame is hinged with the bearing frame, the other end of each limiting frame is a free end, a locking piece used for limiting the rotation of the limiting frame is arranged at the free end, and a propping block is arranged in each limiting frame in a sliding mode;

the two limiting frames are respectively provided with a sliding assembly which drives the abutting blocks to slide and abut against the idler wheels, each sliding assembly comprises an abutting screw rod and a hand wheel, the abutting screw rods are rotatably arranged on one side of the frame, the abutting blocks are sleeved on the abutting screw rods and are in threaded connection with the abutting screw rods, and the hand wheels are coaxially fixed with the abutting screw rods;

and clamping components for limiting the rolling of the roller are arranged at two ends of the bearing frame.

By adopting the technical scheme, when the tension of the steel wire rope is measured, the bearing frame is erected on the steel wire rope, the rollers at two ends of the bearing frame roll on the steel wire rope, the limiting frame is rotated to enable the free end of the limiting frame to be abutted against the bearing frame, and the rotation of the limiting frame is limited by the locking piece, so that the steel wire rope is limited between the abutting block and the rollers; the hand wheel is rotated to drive the abutting lead screw to rotate, so that the abutting block is driven to slide towards the roller until the abutting block abuts against the roller, the steel wire rope is clamped between the abutting block and the roller, the rotation of the roller is limited by the clamping assembly, and finally the steel wire rope between the force bearing frames is stretched by the pull rope assembly to generate the deformation of the steel wire rope, so that the tension measurement of the steel wire rope is completed; stay cord subassembly is when stretching wire rope, and the wire rope at load frame both ends is supported tight piece and gyro wheel and is pressed from both sides tightly to wire rope is when carrying out the tension test, and wire rope is difficult for sliding between gyro wheel and the tight piece of support, with this accurate measurement lies in the wire rope's between the load frame both ends tension, thereby makes things convenient for the workman to carry out the analysis to measured data.

Further setting the following steps: one side of the limiting frame is provided with a sliding groove which is consistent with the sliding direction of the abutting block, one end of the abutting block is integrally formed with a sliding block, the sliding block is in threaded connection with the abutting lead screw, and the sliding block is embedded in the sliding groove in a clamping and sliding mode.

Through adopting above-mentioned technical scheme, support tight piece at the slip in-process, the sliding block slides in the sliding tray to support tight piece and be difficult for squinting at the slip in-process, and support tight piece and support behind the tight gyro wheel, be difficult for rocking when receiving external force.

Further setting the following steps: when the abutting block abuts against the roller, arc-shaped grooves are formed in one side of the abutting block, which is opposite to the roller, and the peripheral sides of the roller, and are matched with the cross section of the steel wire rope.

Through adopting above-mentioned technical scheme, support tight piece and slide to when supporting tight gyro wheel, wire rope is located and supports between tight piece and the gyro wheel, and the wire rope inlay card is in the arc wall on supporting tight piece and the gyro wheel to wire rope is difficult to take place relative skew when being stretched, with this tension measurement's that has improved wire rope accuracy.

Further setting the following steps: the clamping assembly comprises a clamping gear and a clamping claw, the clamping gear is coaxially fixed with the roller, the clamping claw is formed by hinging two arc-shaped strips, one ends of the two arc-shaped strips are fixed with gear teeth, and two tensioning springs used for enabling the two arc-shaped strips to clamp the clamping gear are arranged between the two arc-shaped strips.

By adopting the technical scheme, after the clamping block tightly presses the roller to clamp the steel wire rope, the clamping claw clamps the clamping gear, so that the gear teeth on the two arc-shaped strips are meshed with the clamping gear, thereby limiting the rotation of the clamping gear and the roller, and the steel wire rope is not easy to slide between the roller and the clamping block when the rope pulling assembly pulls the steel wire rope; when tension measurement is needed to be carried out on the steel wire ropes at different positions, the two arc-shaped strips are rotated, and the abutting block is slid to enable the abutting block to be away from the roller, so that a worker can conveniently move the position of the bearing frame on the steel wire ropes, and the tension measurement can be conveniently carried out on the steel wire ropes at different positions.

Further setting the following steps: when the abutting block abuts against the roller, rubber pads are arranged on one side of the abutting block, which is opposite to the roller, and the peripheral sides of the roller.

Through adopting above-mentioned technical scheme, the rubber pad has increaseed wire rope and gyro wheel and wire rope and has supported the frictional force between the tight piece to this wire rope is difficult for sliding between supporting tight piece and gyro wheel.

Further setting the following steps: the locking piece is the hasp, the hasp divide into joint portion and buckling parts, joint portion fixes the tip of bearing frame, buckling parts fixes the free end.

Through adopting above-mentioned technical scheme, rotate spacing frame, make the free end of spacing frame support tightly on the load frame, again with the joint portion buckle of hasp at the buckling part of hasp to accomplish spacing frame pivoted spacingly, support the piece with this convenience and support tight gyro wheel, thereby restriction wire rope is relative to slide with the gyro wheel.

Further setting the following steps: the pull rope assembly comprises a supporting plate, a pull rope screw rod, a handle and a clamping frame, one end of the supporting plate is fixed in the middle of the bearing frame, the pull rope screw rod is rotatably installed on the supporting plate, the cross section of the clamping frame is Contraband-shaped, the two opposite side walls of the clamping frame are perpendicular to the supporting plate, the clamping frame is sleeved on the pull rope screw rod and is in threaded connection with the pull rope screw rod, and the handle is fixed with the pull rope screw rod.

Through adopting above-mentioned technical scheme, the wire rope at load frame both ends supports the back through supporting between tight piece and the gyro wheel, and wire rope is blocked in the card frame simultaneously, rotates the handle again and drives the stay cord lead screw and rotate, drives the card frame and slides to pulling wire rope, wire rope consequently produces deformation and conveniently accomplishes its tension test.

Further setting the following steps: and the clamping frame is provided with a tension tester.

Through adopting above-mentioned technical scheme, when the stay cord subassembly was stretched wire rope, carry out tension analysis and record to it through the tensile tester.

To sum up, the utility model discloses a beneficial technological effect does:

(1) when the steel wire rope is subjected to tension test, a bearing frame is erected on the steel wire rope, the roller rolls on the steel wire rope, the limiting frame is rotated to enable the free end of the limiting frame to be abutted against the bearing frame, the rotation of the limiting frame is limited by the locking piece, the hand wheel is rotated to drive the abutting lead screw to rotate, so that the abutting block slides and abuts against the roller, the steel wire rope is clamped between the roller and the abutting block, the rotation of the roller is limited by the clamping assembly, and when the stay cord assembly stretches the steel wire rope, the steel wire rope is limited by the abutting block and the roller at the two ends of the bearing frame to slide, so that the accurate tension measurement of the steel wire rope between the two ends of the bearing frame is facilitated;

(2) when the restriction gyro wheel rotates, press from both sides tight gear through the clamping jaw and restrict its rotation to the rotation of restriction gyro wheel, and when needs carry out tension measurement to other positions on the wire rope, through rotating two arc strips, make again to support tight piece and keep away from the gyro wheel, thereby make things convenient for the workman to slide bearing frame on wire rope, with this convenience to carry out tension measurement to other positions of wire rope.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the overall structure at another viewing angle of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a schematic structural view of the sliding assembly and the abutting block of the present invention;

fig. 5 is a schematic structural view of the roller and the clamping assembly of the present invention.

Reference numerals: 1. a bearing frame; 2. a roller; 3. a limiting frame; 4. a free end; 5. a propping block; 6. tightly abutting the screw rod; 7. a hand wheel; 8. a sliding groove; 9. a slider; 10. an arc-shaped slot; 11. clamping the gear; 12. a clamping jaw; 13. an arc-shaped strip; 14. gear teeth; 15. tensioning the spring; 16. a rubber pad; 17. locking; 18. a clamping part; 19. a buckling part; 20. a support plate; 21. a rope pulling screw rod; 22. a handle; 23. clamping a frame; 24. a tensile tester; 25. a display screen.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a wire rope tension measuring device, including load frame 1, load frame 1 is "L" shape, and the angle of corner is the obtuse angle setting. The corner of bearing frame is equipped with the stay cord subassembly, and its both ends all are equipped with gyro wheel 2 (refer to fig. 5), and two gyro wheels 2 are in the coplanar. The pull rope assembly comprises a support plate 20, a pull rope screw 21, a handle 22 and a clamping frame 23. The support plate 20 is fixed at a corner of the bearing frame, one end of the support plate is fixed on the bearing frame, two first ear plates which are opposite to each other are fixed on the support plate 20, and the pull rope screw rod 21 penetrates between the two first ear plates; the clamping frame 23 is arranged in an Contraband shape, two opposite side walls of the clamping frame 23 are perpendicular to the support plate 20, two opposite inner sides of the clamping frame 23 are arranged in an arc surface shape, an opening of the clamping frame 23 is arranged opposite to the support plate 20, and one side, close to the support plate 20, of the clamping frame 23 is sleeved on the stay cord screw rod 21 and is in threaded connection with the stay cord screw rod; the handle 22 is cylindrical, one end of the handle 22 is fixed with one end of the rope pulling screw rod 21, and the axis of the handle 22 is perpendicular to the axis of the rope pulling screw rod 21. The clamping frame 23 is provided with a tension tester 24, and the bearing frame 1 is provided with a display screen 25.

When the steel wire rope is used for tension testing, the peripheral sides of the idler wheels 2 are abutted against the steel wire rope, the steel wire rope in the middle of the two idler wheels 2 is clamped and embedded in the clamping frame 23, the clamping frame 23 drives the pull rope screw rod 21 to rotate along with the rotating handle 22, the steel wire rope is driven to stretch in the sliding process, and therefore the tension of the steel wire rope is conveniently recorded and displayed in the display screen 25 by the tension tester 24.

Referring to fig. 2 and fig. 3, both ends of the bearing frame 1 are provided with Contraband-shaped limiting frames 3, one end of each limiting frame 3 is hinged with the bearing frame 1, the other end is a free end 4, and a lock catch 17 used for limiting the rotation of the limiting frame 3 is arranged between the free end 4 and the bearing frame 1. The lock catch 17 is divided into a buckling part 19 and a clamping part 18, the clamping part 18 is fixed at the end part of the bearing frame 1, the buckling part 19 is fixed on the free end 4 of the limiting frame 3, and when the free end 4 of the limiting frame 3 abuts against the bearing frame 1, the clamping part 18 is buckled at the buckling part 19, so that the rotation of the limiting frame 3 is limited. Therefore, the limiting frame 3 is sleeved on the periphery of the steel wire rope by rotating the limiting frame 3, and the tension measuring device is conveniently installed on the steel wire rope.

Referring to fig. 1 and 4, the inner side of the limiting frame 3 is slidably provided with a supporting block 5, and the supporting block 5 slides in a direction close to or far away from the roller 2. One side of spacing frame 3 is seted up along the sliding tray 8 that supports tight piece 5 slip direction, and supports tight piece 5 integrated into one piece and have sliding block 9, and sliding block 9 inlay card slides in sliding tray 8, and one end is worn out spacing frame 3. The limiting frame 3 is provided with a sliding assembly for driving the abutting block 5 to slide, the sliding assembly comprises an abutting screw rod 6 and a hand wheel 7, two opposite second lug plates are fixed on the outer side of the side wall of the limiting frame 3, which is provided with a sliding groove 8, the abutting screw rod 6 is arranged between the two second lug plates in a penetrating manner, and a sliding block 9 is sleeved on the abutting screw rod 6 and is in threaded connection with the abutting screw rod 6; the hand wheel 7 is coaxially fixed with the abutting screw rod 6. When the abutting block 5 abuts against the roller 2, the side of the abutting block 5 opposite to the roller 2 and the peripheral side of the roller 2 are both provided with an arc-shaped groove 10 matched with the section of the steel wire rope, and a rubber pad 16 is fixedly bonded in the arc-shaped groove 10. When the steel wire rope is used for tension test, firstly, the rollers 2 at two ends of the bearing frame 1 are clamped and embedded on the steel wire rope, then the limiting frame 3 is rotated to enable the free end 4 to be tightly propped against the bearing frame 1, and the rotation of the limiting frame 3 is limited through the lock catch 17; the hand wheel 7 is rotated to drive the tightening screw rod 6 to rotate, so that the tightening block 5 is driven to tighten the roller 2, the steel wire rope is tightened between the tightening block 5 and the roller 2, when the pull rope assembly stretches the steel wire rope, the steel wire rope between the two ends of the bearing frame 1 is tightly propped by the tightening block 5 and the roller 2 at the two ends of the bearing frame 1, and therefore the steel wire rope is not easy to slide when the steel wire rope is stretched, and the tension performance of the steel wire rope between the two ends of the bearing frame 1 can be conveniently and accurately measured.

Referring to fig. 1 and 5, clamping assemblies for limiting rotation of the roller 2 are arranged at two ends of the bearing frame 1, each clamping assembly comprises a clamping gear 11 and a clamping claw 12, and the clamping gear 11 is rotatably installed at the end of the bearing frame 1 and is coaxially fixed with the roller 2. The clamping jaw 12 is formed by hinging two arc-shaped strips 13, the end parts of the arc-shaped strips 13 are respectively fixed with gear teeth 14, the two arc-shaped strips 13 are hinged through a hinging shaft, a tensioning spring 15 is arranged between the two arc-shaped strips 13, the two ends of the tensioning spring 15 are respectively fixed at one end of each of the two arc-shaped strips 13, the two arc-shaped strips 13 continuously clamp the clamping gear 11 through the tensioning spring 15, and when the two arc-shaped strips 13 clamp the clamping gear 11, the gear teeth 14 on the two arc-shaped plates are meshed with the clamping gear 11 to limit the rotation of the clamping gear, so as to limit the rotation of the idler wheel 2, when the clamping block 5 and the idler wheel 2 clamp the steel wire rope, the clamping assembly limits the rotation of the idler wheel. When the tension at different positions on the steel wire rope needs to be measured, the two arc plates are separated through rotation, and then the abutting block 5 is far away from the roller 2, so that the bearing frame 1 can conveniently slide on the steel wire rope.

The implementation principle and the beneficial effects of the embodiment are as follows:

when the steel wire rope is used for tension test, the idler wheels 2 at two ends of the bearing frame 1 are clamped and embedded on the steel wire rope, the limiting frame 3 is rotated to enable the free end 4 to be abutted against the bearing frame 1, and the rotation of the limiting frame 3 is limited by the lock catch 17, so that the steel wire rope is arranged in the limiting frame 3 in a penetrating mode; the sliding assembly drives the abutting block 5 to slide towards the roller 2, the steel wire rope is abutted between the abutting block 5 and the roller 2, the clamping assemblies at the two ends of the bearing frame 1 limit the rotation of the roller 2, so that the sliding condition of the steel wire rope during the tension test of the steel wire rope is further limited, after the steel wire rope at the two ends of the bearing frame 1 is fixed, the steel wire rope between the supporting frames is pulled through the pull rope assembly, so that the tension data is transmitted to the display screen 25 from the tension tester 24 to be displayed, and the tension test of the steel wire rope is completed; because the steel wire rope between the two ends of the bearing frame 1 is not easily influenced by the steel wire rope outside the bearing frame 1 when being stretched, the steel wire rope between the two ends of the bearing frame 1 is not easily influenced when tension measurement is carried out, and the tension detection accuracy of the steel wire rope is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. A wire rope tension measuring device which is characterized in that: the device comprises a bearing frame (1), wherein a pull rope component is arranged in the middle of the bearing frame (1), rollers (2) are arranged at two ends of the bearing frame (1), Contraband-shaped limiting frames (3) are arranged at two ends of the bearing frame (1), one end of each limiting frame (3) is hinged with the bearing frame (1), the other end of each limiting frame is a free end (4), a locking piece used for limiting the rotation of the limiting frame (3) is arranged at each free end (4), and a resisting and tightening block (5) is arranged in each limiting frame (3) in a sliding manner;

the two limiting frames (3) are respectively provided with a sliding assembly which drives the abutting block (5) to slide and abut against the roller (2), each sliding assembly comprises an abutting screw rod (6) and a hand wheel (7), the abutting screw rods (6) are rotatably arranged on one side of the frame, the abutting blocks (5) are sleeved on the abutting screw rods (6) and are in threaded connection with the abutting screw rods, and the hand wheels (7) are coaxially fixed with the abutting screw rods (6);

and clamping components for limiting the rolling of the roller (2) are arranged at two ends of the bearing frame (1).

2. A steel cord tension measuring device as claimed in claim 1, wherein: one side of the limiting frame (3) is provided with a sliding groove (8) which is consistent with the sliding direction of the abutting block (5), a sliding block (9) is integrally formed at one end of the abutting block (5), the sliding block (9) is in threaded connection with the abutting screw rod (6), and the sliding block (9) is clamped and embedded in the sliding groove (8) in a sliding mode.

3. A steel cord tension measuring device as claimed in claim 2, wherein: when the supporting block (5) supports the roller (2), arc-shaped grooves (10) are formed in one side, opposite to the roller (2), of the supporting block (5) and the peripheral sides of the roller (2), and the arc-shaped grooves (10) are matched with the cross section of the steel wire rope.

4. A steel cord tension measuring device as claimed in claim 1, wherein: clamping unit is including pressing from both sides tight gear (11) and clamping jaw (12), press from both sides tight gear (11) with gyro wheel (2) coaxial fixed, clamping jaw (12) are formed by two arc strips (13) are articulated, two the one end of arc strip (13) all is fixed with teeth of a cogwheel (14), two be equipped with between arc strip (13) and be used for making two arc strip (13) press from both sides tightly taut spring (15) of clamping gear (11).

5. A steel cord tension measuring device as claimed in claim 4, wherein: when the abutting block (5) abuts against the roller (2), a rubber pad (16) is arranged on one side of the abutting block (5) opposite to the roller (2) and on the periphery of the roller (2).

6. A steel cord tension measuring device as claimed in claim 1, wherein: the locking piece is hasp (17), hasp (17) are divided into joint portion (18) and buckling parts (19), joint portion (18) are fixed the tip of bearing frame (1), buckling parts (19) are fixed free end (4).

7. A steel cord tension measuring device as claimed in claim 1, wherein: the stay cord subassembly includes backup pad (20), stay cord lead screw (21), handle (22) and card frame (23), backup pad (20) one end with the centre of bearing frame (1) is fixed, stay cord lead screw (21) rotate to be installed on backup pad (20), card frame (23) cross-section is "Contraband" shape, just card frame (23) two just to the lateral wall with backup pad (20) are perpendicular, card frame (23) cover is established just rather than threaded connection on stay cord lead screw (21), handle (22) with stay cord lead screw (21) are fixed.

8. A steel cord tension measuring device as claimed in claim 7, wherein: and a tension tester (24) is arranged on the clamping frame (23).

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