CN215248925U

CN215248925U - Steel wire rope tension adjusting device

Info

Publication number: CN215248925U
Application number: CN202120152164.1U
Authority: CN
Inventors: 马玉华; 勒海玉; 陈波; 郭俊; 黄世岸; 宾胜; 朱天燕; 卓富雄; 聂磊; 张永欣
Original assignee: Dalian Hongao Electronic Technology Co ltd
Current assignee: Dalian Hongao Electronic Technology Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-12-21
Anticipated expiration: 2031-01-20

Abstract

The utility model relates to a wire rope tensile force adjusting device, including the depression bar, a supporting seat, roof pressure subassembly and control circuit, depression bar and the coaxial setting of roof pressure subassembly, and the depression bar is fixed on the upper portion of supporting seat, the lower part of supporting seat is located to the roof pressure subassembly, its axis motion can be followed to the roof pressure subassembly, so that wire rope between roof pressure subassembly and the depression bar is in the tensioning state, the both ends symmetry of depression bar is equipped with pressure sensor, pressure sensor and control circuit electric connection, pressure sensor converts the pressure signal who experiences to the signal of telecommunication and gives control circuit, thereby realize the measurement to wire rope tensioning force. The utility model discloses simple to operate, easy operation does not limit wire rope kind, and the measuring accuracy is high.

Description

Steel wire rope tension adjusting device

Technical Field

The utility model relates to a technical field is adjusted to the wire rope tensile force, especially relates to a wire rope tensile force adjusting device.

Background

The service life of the steel wire rope is not clearly specified in GB7588, but if the service life of the steel wire rope can be prolonged, the steel wire rope can stably and safely provide service in the service life, the operation safety of an elevator can be further ensured, and the maintenance and use cost of the steel wire rope is reduced. Through professional analysis, the uneven tension of the steel wire rope is one of the important reasons influencing the service life of the steel wire rope.

The uneven condition of tension mainly takes place in the installation debugging stage, and the weight of car and counter weight does not evenly distribute to every wire rope, and uneven tension is a trouble hidden danger in the elevator normal operating process in the future, along with the continuous increase of elevator suitable number of times, can make the wearing and tearing between each wire rope and the rope sheave uneven, causes the reduction of wire rope life meeting and the damage of driving sheave. If the elevator is driven by a traction machine, the condition of uneven tension among the steel wire ropes can also reduce the traction force, and the elevator can cause slipping to cause safety accidents in serious cases. This also increases noise and vibration during the elevator's operation, reduces ride comfort, and, if the tension difference between the wires is large, the weight of the car and the counterweight is applied to the individual wire ropes, which may cause uneven distribution of the car wire rope tension.

In the prior art, the steel wire rope tension testing instrument is complex in installation process, complex in operation, low in testing precision and single in type of a testable steel wire rope.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a wire rope tensile force adjusting device to solve the comparatively single problem of operation complicacy, lower, the testable wire rope kind of measuring precision among the background art.

The utility model provides a wire rope tensile force adjusting device, including depression bar, supporting seat, roof pressure subassembly and control circuit, depression bar and the coaxial setting of roof pressure subassembly, just the upper portion at the supporting seat is fixed to the depression bar, the lower part of supporting seat is located to the roof pressure subassembly, its axis motion can be followed to the roof pressure subassembly, so that wire rope between roof pressure subassembly and the depression bar is in the tensioning state, the both ends symmetry of depression bar is equipped with pressure sensor, pressure sensor and control circuit electric connection, pressure sensor converts the pressure signal who experiences into the signal of telecommunication and transmits for control circuit to the realization is to the measurement of wire rope tensioning force.

Preferably, the jacking assembly comprises a shell, a jacking piece and a screw rod, the shell is rotatably sleeved on the periphery of the supporting seat, a through sliding hole is formed in the center of the lower portion of the supporting seat, the screw rod is arranged in the sliding hole, the bottom of the screw rod is fixed with the shell, the jacking piece in threaded connection with the screw rod is arranged at the top of the screw rod, and the jacking piece can slide along the axis direction of the sliding hole.

In any one of the above schemes, preferably, the periphery of the top piece is provided with a limiting groove, a limiting pin is inserted above the shell on the supporting seat, and one end of the limiting pin can slide along the limiting groove.

In any of the above embodiments, preferably, a gasket is provided between the upper end surface of the housing and the lower end surface of the support base.

In any of the above schemes, preferably, the compression bar is an arc-shaped structure which is bent downwards from the center to two ends, and cross bars are arranged at the positions of the two ends of the compression bar, which correspond to the pressure sensors.

In any of the above schemes, preferably, the lower surface of the cross bar and the upper surface of the top piece are respectively provided with an arc-shaped groove adapted to the steel wire rope.

In any of the above schemes, preferably, a triggering assembly is arranged at the center of the pressure lever, an indicator lamp is arranged on the surface of the pressure lever, the indicator lamp is connected with a power supply through an indicator lamp switch, and the triggering assembly enables the indicator lamp to be on through triggering the indicator lamp switch.

It is preferable in any one of the above-mentioned schemes, the trigger assembly includes driving pin, rubber circle, jump ring and rubber stick, the lower part of depression bar is equipped with the shoulder hole, the driving pin is inserted and is located in the shoulder hole, and can be relative the axis of shoulder hole slides, the top center of driving pin is equipped with the rubber stick, the upper portion periphery of driving pin is equipped with the draw-in groove, be equipped with the jump ring in the draw-in groove, the lower part periphery of driving pin is equipped with the rubber circle, the rubber circle is located between driving pin and the depression bar.

Compared with the prior art, the utility model has the advantages and beneficial effects do:

1. simple to operate, easy operation, and not limit the wire rope kind, directly place wire rope between roof pressure subassembly and depression bar, can follow its axis through the roof pressure subassembly and move to make the wire rope between roof pressure subassembly and the depression bar be in the tensioning state, the both ends symmetry of depression bar is equipped with pressure sensor, pressure sensor and control circuit electric connection, pressure sensor converts the pressure signal who experiences into the signal of telecommunication and transmits for control circuit, thereby the realization is to the measurement of wire rope tensioning force.

2. The pressing rod is of an arc-shaped structure which is bent downwards from the center to two ends, the two ends of the pressing rod are symmetrically provided with the pressure sensors, when the steel wire rope is in a tensioning state, the steel wire rope can be guaranteed to be uniformly and evenly stressed, and a testing result is guaranteed to be more reliable. In addition, the both ends of depression bar correspond pressure sensor position department and are equipped with the horizontal pole, and the lower surface of horizontal pole and the upper surface of ejecting are equipped with the arc wall respectively to hold wire rope, can make wire rope laminate with depression bar and ejecting more respectively, thereby guarantee that the test result is more accurate.

The tension adjusting device for steel wire rope of the present invention will be further described with reference to the accompanying drawings.

Drawings

Fig. 1 is a perspective view of the tension adjusting device for a steel wire rope of the present invention;

fig. 2 is another perspective view of the tension adjusting device for a steel wire rope according to the present invention;

fig. 3 is a front view of the tension adjusting device for a steel wire rope according to the present invention;

FIG. 4 is a schematic view of the internal structure of FIG. 3;

fig. 5 is a top view of the tension adjusting device for a steel wire rope according to the present invention;

fig. 6 is a left side view of the tension adjusting device for a steel wire rope according to the present invention;

FIG. 7 is a cross-sectional view taken along line A-A of FIG. 3;

fig. 8 is a working principle diagram of the tension adjusting device for a steel wire rope according to the present invention;

fig. 9 is another working schematic diagram of the steel wire rope tension adjusting device of the present invention;

wherein: 1. a fixed seat; 2. a pressure lever; 3. a cross bar; 4. a drive pin; 5. a supporting seat; 6. a housing; 7. a top piece; 71. a limiting groove; 8. a gasket; 9. a battery; 10. an antenna; 11. a control circuit; 12. a rubber rod; 13. a clamp spring; 14. a rubber ring; 15. a spacing pin; 16. a screw rod; 17. a thrust bearing; 18. a lower end cover; 19. a flange plate; 20. a gasket; 21. an arc-shaped slot; 22. an indicator light; 23. an indicator light switch; 24. a control switch; 25. a charging port; 26. a steel cord.

Detailed Description

As shown in fig. 1-7, the utility model provides a wire rope tensile force adjusting device, including depression bar 2, a support base 5, roof pressure subassembly and control circuit 11, depression bar 2 and the coaxial setting of roof pressure subassembly, and depression bar 2 fixes on the upper portion of support base 5, the lower part of support base 5 is located to the roof pressure subassembly, its axis motion can be followed to the roof pressure subassembly, so that wire rope 26 between roof pressure subassembly and the depression bar 2 is in the tensioning state, the both ends symmetry of depression bar 2 is equipped with pressure sensor, pressure sensor and 11 electric connection of control circuit, control circuit 11 further is connected with the power, pressure sensor converts the pressure signal who experiences into the signal of telecommunication and transmits for control circuit 11, thereby realize the measurement to wire rope 26 tensioning force.

Further, the jacking assembly comprises a shell 6, a jacking piece 7 and a lead screw 16, the shell 6 is rotatably sleeved on the periphery of the supporting seat 5, a through sliding hole is formed in the center of the lower portion of the supporting seat 5, the lead screw 16 is arranged in the sliding hole, the bottom of the lead screw 16 is fixed with the shell 6, the jacking piece 7 in threaded connection with the top of the lead screw 16 is arranged at the top of the lead screw 16, and the jacking piece 7 can slide along the axis direction of the sliding hole. Wherein, the bottom of the supporting seat 5 is connected with a lower end cover 18, a thrust bearing 17 is arranged between the screw rod 16 and the supporting seat 5, a flange 19 is fixed between the shell 6 and the screw rod 16, and the flange 19 is arranged at the lower part of the lower end cover 18.

In the structure, the shell 6 is manually rotated to drive the screw rod 16 to rotate relative to the supporting seat 5, so that the ejection piece 7 can slide along the axis direction of the slide hole, the approach and the separation between the ejection piece 7 and the pressure rod 2 are realized, the steel wire rope 26 can be stretched, and the steel wire rope 26 is in a tensioning state.

Still further, the periphery of the top piece 7 is provided with a limiting groove 71, a limiting pin 15 is inserted above the shell 6 on the supporting seat 5, and one end of the limiting pin 15 can slide along the limiting groove 71.

In the structure, when the top piece 7 slides along the axis direction of the slide hole, the limiting pin 15 limits the displacement of the top piece 7 along the axis direction of the top piece, so that the top piece 7 is prevented from sliding out of the slide hole.

Still further, a gasket 208 is arranged between the upper end face of the housing 6 and the lower end face of the support seat 5 to ensure the sealing performance between the housing 6 and the support seat 5, and meanwhile, the upper end face of the housing 6 is not in direct contact with the lower end face of the support seat 5, so that the housing 6 can be prevented from being worn with the lower end face of the support seat 5 during rotation.

Furthermore, the pressure lever 2 is an arc-shaped structure which is bent downwards from the center to two ends, and the two ends of the pressure lever 2 are provided with cross rods 3 corresponding to the positions of the pressure sensors. The lower surface of the cross bar 3 and the upper surface of the top piece 7 are provided with arc-shaped slots 21, respectively, to accommodate a wire rope 26.

In this structure, can make wire rope 26 laminate with depression bar 2 and ejector part 7 respectively more to guarantee that the test result is more accurate. In addition, the cross rod 3 and the top piece 7 are made of stainless steel, so that the wear resistance and the rust resistance of the cross rod are improved.

Further, the center of the pressure lever 2 is provided with a trigger assembly, the surface of the pressure lever 2 is provided with an indicator lamp 22, the indicator lamp 22 is connected with a power supply through an indicator lamp switch 23, and the trigger assembly triggers the indicator lamp switch 23 to enable the indicator lamp 22 to be on.

Specifically, trigger the subassembly and include driving pin 4, rubber circle 14, jump ring 13 and rubber stick 12, the lower part of depression bar 2 is equipped with the shoulder hole, driving pin 4 inserts and locates in the shoulder hole, and the axis of shoulder hole slides relatively, the top center of driving pin 4 is equipped with rubber stick 12, the upper portion periphery of driving pin 4 is equipped with the draw-in groove, be equipped with jump ring 13 in the draw-in groove, the lower part periphery of driving pin 4 is equipped with rubber circle 14, rubber circle 14 is located between driving pin 4 and the depression bar 2.

In this structure, when wire rope 26 is in the tensioning state, can extrude driving pin 4, make driving pin 4 slide towards pilot lamp switch 23 direction along the axis of shoulder hole, simultaneously along with the continuous increase of wire rope 26 tensile force, driving pin 4 can drive the rubber rod 12 touch pilot lamp switch 23 on it, and at this moment, pilot lamp 22 is bright to suggestion operating personnel stall shell 6. When the steel wire rope 26 is in the release state, the driving pin 4 can slide along the axial direction of the stepped hole towards the direction far away from the indicator light switch 23 under the action of the self gravity, at the moment, the rubber rod 12 leaves the indicator light switch 23, and the indicator light 22 is turned off.

Wherein, driving pin 4 and depression bar 2 rigid contact are avoided in the setting of rubber circle 14, and when rubber stick 12 touched pilot lamp switch 23, reduce the effort between driving pin 4 and the depression bar 2, have the guard action to depression bar 2 and driving pin 4, reduce wearing and tearing and extrude each other increase of service life. The arrangement of the rubber rod 12 can reduce the acting force of the driving pin 4 on the indicator light switch 23, so that the indicator light switch 23 is not easy to damage. The clamp spring 13 is arranged on the pressing rod 2 in a limiting and clamping mode, and the driving pin 4 is prevented from being separated from the pressing rod 2.

As shown in fig. 8 and 9, the application method of the tension adjusting device for steel wire rope 26 of the present invention is that the car roof and the flat floor are together convenient for people to go to collect, stop the elevator safety and place the elevator in the maintenance state.

Rotating the shell 6, sliding the top part 7 towards the direction far away from the transmission pin 4, so that the gap between the transmission pin 4 and the top part 7 is larger than the diameter of the steel wire rope 26, and sleeving the steel wire rope 26 tension adjusting device on the steel wire rope 26 to be measured. The shell 6 is rotated in the reverse direction, and the top member 7 slides towards the direction of the transmission pin 4, so that the top member 7 drives the steel wire rope 26 to stretch towards the direction of the transmission pin 4, the transmission pin 4 triggers the indicator light switch 23 under the pushing action of the steel wire rope 26, the indicator light switch 23 is on, the operator stops rotating the shell 6, at the moment, the pressure sensor converts the pressure signal transmitted by the steel wire rope 26 to an electric signal and transmits the electric signal to the control circuit 11, and therefore the measurement data of the tension force of the steel wire rope 26 are obtained.

In this embodiment, still be equipped with fixing base 1 at the top of supporting seat 5, control circuit 11 and power are installed in fixing base 1, still be equipped with antenna 10 in the fixing base 1 simultaneously, the outside of fixing base 1 is equipped with charge mouthful 25 and control switch 24, charge mouthful 25 in order to charge to the power, antenna 10 passes through

control switch

24 and 11 electric connection of control circuit, when needs measure, open control switch 24, control circuit 11 passes through antenna 10 and equipment terminal electric connection, wherein, equipment terminal is the cell-phone, the flat board. The control circuit 11 adopts an MCU chip.

The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides a wire rope tensile force adjusting device which characterized in that: the steel wire rope tension measuring device comprises a pressure rod, a supporting seat, a jacking assembly and a control circuit, wherein the pressure rod and the jacking assembly are coaxially arranged, the pressure rod is fixed to the upper portion of the supporting seat, the jacking assembly is arranged on the lower portion of the supporting seat and can move along the axis of the jacking assembly, so that a steel wire rope between the jacking assembly and the pressure rod is in a tension state, pressure sensors are symmetrically arranged at two ends of the pressure rod and electrically connected with the control circuit, and the pressure sensors convert sensed pressure signals into electric signals and transmit the electric signals to the control circuit, so that the tension force of the steel wire rope is measured.

2. The wire rope tension adjusting device according to claim 1, wherein: the jacking assembly comprises a shell, a jacking piece and a lead screw, the shell is rotatably sleeved on the periphery of the supporting seat, a through sliding hole is formed in the center of the lower portion of the supporting seat, the lead screw is arranged in the sliding hole, the bottom of the lead screw is fixed with the shell, the jacking piece in threaded connection with the top of the lead screw is arranged at the top of the lead screw, and the jacking piece can slide along the axis direction of the sliding hole.

3. The wire rope tension adjusting device according to claim 2, wherein: the periphery of the top piece is provided with a limiting groove, a limiting pin is inserted above the shell on the supporting seat, and one end of the limiting pin can slide along the limiting groove.

4. The wire rope tension adjusting device according to claim 2, wherein: and a gasket is arranged between the upper end face of the shell and the lower end face of the supporting seat.

5. The wire rope tension adjusting device according to claim 2, wherein: the pressure bar is of an arc structure which is bent downwards from the center to two ends, and cross bars are arranged at the positions, corresponding to the pressure sensors, of the two ends of the pressure bar.

6. The wire rope tension adjusting device according to claim 5, wherein: the lower surface of the cross rod and the upper surface of the top piece are respectively provided with an arc-shaped groove matched with the steel wire rope.

7. The wire rope tension adjusting device according to claim 1, wherein: the center of depression bar is equipped with trigger assembly, the surface of depression bar is equipped with the pilot lamp, the pilot lamp passes through the pilot lamp switch and is connected with the power, trigger assembly is through triggering the pilot lamp switch to make the pilot lamp bright.

8. The wire rope tension adjusting device according to claim 7, wherein: the trigger assembly includes driving pin, rubber circle, jump ring and rubber stick, the lower part of depression bar is equipped with the shoulder hole, the driving pin is inserted and is located in the shoulder hole, and can be relative the axis of shoulder hole slides, the top center of driving pin is equipped with the rubber stick, the upper portion periphery of driving pin is equipped with the draw-in groove, be equipped with the jump ring in the draw-in groove, the lower part periphery of driving pin is equipped with the rubber circle, the rubber circle is located between driving pin and the depression bar.