CN110989706A - Tension adjusting device and method for elevator steel wire rope testing machine - Google Patents
Tension adjusting device and method for elevator steel wire rope testing machine Download PDFInfo
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- CN110989706A CN110989706A CN201911077315.5A CN201911077315A CN110989706A CN 110989706 A CN110989706 A CN 110989706A CN 201911077315 A CN201911077315 A CN 201911077315A CN 110989706 A CN110989706 A CN 110989706A
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- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D15/00—Control of mechanical force or stress; Control of mechanical pressure
- G05D15/01—Control of mechanical force or stress; Control of mechanical pressure characterised by the use of electric means
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Abstract
The invention discloses a tension adjusting device and a tension adjusting method of an elevator steel wire rope testing machine. The tension adjusting mechanism for the existing elevator steel wire rope has the problems of insufficient tension and noise. The invention comprises an electric cylinder, a parallelogram mechanism, a pulley lever, a movable pulley, a linkage arm, a sliding block, an S-shaped tension sensor and a fixed pulley; when the steel wire rope is tested, the steel wire rope to be tested is wound around the loading wheel and the two fixed pulleys; one end of the steel wire rope to be tested is fixed with the S-shaped tension sensor, and the other end of the steel wire rope to be tested is fixed with the sliding block; the electric cylinder drives the linkage arm through the parallelogram mechanism, so as to drive the pulley rod and the movable pulley to move, and the steel wire rope to be tested is loosened or tensioned; and when the controller judges that the tensile force borne by the steel wire rope to be tested reaches a test value according to the signal of the S-shaped tension sensor, the controller controls the motor of the electric cylinder to stop rotating. The electric cylinder is stable in transmission, the linkage arm is driven by the parallelogram mechanism, the force of the electric cylinder can be amplified, and the energy-saving effect is achieved while the tension force is ensured.
Description
Technical Field
The invention belongs to the technical field of elevator equipment, and particularly relates to a tension adjusting device and a tension adjusting method of an elevator steel wire rope testing machine.
Background
The traction type elevator is an elevator which mainly adopts a traction mode to drive the elevator and realizes the lifting at a fixed floor. The safety factor and the comfort level of the elevator are well improved due to the appearance of the elevator, the running speed of the elevator is fully guaranteed to be effectively controlled, and the living requirements of people are better met. However, when the traction elevator drives the car to move up and down by the traction force generated by the friction between the sheave groove of the traction sheave and the steel wire rope in the sheave groove, the situation of strand breakage and wire breakage of the steel wire rope is easily caused, the requirement range of the traction force cannot be met, and safety accidents are easily caused.
The existing elevator steel wire rope testing machine is used for ensuring the safety and reliability of the elevator steel wire rope and preventing the phenomena of wire breakage, strand breakage and the like. However, the existing elevator steel wire rope testing machine has scientific basis but no shaped structure, and the tension adjusting mechanism of the elevator steel wire rope testing machine also has the problems of slow movement, unsmooth movement, insufficient tension, serious noise pollution and the like.
Disclosure of Invention
The invention aims to provide a tension adjusting device and a tension adjusting method of an elevator steel wire rope testing machine, aiming at the defects of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention relates to a tension adjusting device of an elevator steel wire rope testing machine, which comprises an electric cylinder, a transmission device and an executing device. The electric cylinder comprises a motor, a driving gear, a driven gear, an outer cylinder, an inner piston rod, a piston rod sleeve and a lead screw; the base of the motor is fixed on the transmission case; an output shaft of the motor is fixed with the driving gear; the transmission case is fixed on the bracket; the bearing box is fixed on the transmission box; one end of the lead screw is supported in the bearing box through at least two angular contact ball bearings and is fixed with the driven gear; the driven gear is meshed with the driving gear, and the transmission ratio of the driven gear to the driving gear is greater than 1; the adjacent angular contact ball bearings are oppositely arranged and are separated by a baffle; the angular contact ball bearing closest to the inner piston rod is axially positioned by the rear connecting piece, and the angular contact ball bearing furthest away from the inner piston rod is axially positioned by a shaft shoulder of the screw rod; the rear connecting piece is fixed with the bearing box; the outer cylinder is fixed on the connecting frame; the connecting frame is fixed on the bracket and is fixed with the bearing box through an intermediate connecting piece; the piston rod sleeve is provided with a piston rod sleeve hole and a lead screw placing hole which are coaxially arranged and communicated; the inner piston rod is fixed in a piston rod sleeve hole of the piston rod sleeve; the outer wall of the cross section of the piston rod sleeve is square; the piston rod sleeve and the outer cylinder form a sliding pair, and one end of the piston rod sleeve extends out of the outer cylinder; the screw rod and the internal thread of the internal piston rod form a screw pair, and the screw rod penetrates into the screw rod mounting hole of the piston rod sleeve.
The transmission device comprises a parallelogram mechanism, a pulley lever, a movable pulley, a linkage arm, a pulley guide rail and a linear guide rail; the parallelogram mechanism consists of a first rod, a second rod, a third rod and a fourth rod; one end of the first rod and one end of the second rod are hinged with the pushing structure joint through a second pin; the pushing structure joint is fixed with one end of the piston rod sleeve extending out of the outer cylinder; one end of the third rod is hinged with one end of the fourth rod through a second pin; the other end of the second rod and the other end of the third rod are hinged with one end of the linkage arm through a second pin; the other end of the first rod and the other end of the fourth rod are hinged with the hinge support through a first pin, and the first pin is embedded into the jack of the support; one end of the pulley guide rail is fixed with the linear guide rail, and the other end of the pulley guide rail is fixed on the bracket through two triangular connecting pieces; the linkage arm penetrates through a central hole of the linear guide rail; the other end of the linkage arm is fixed with the pulley lever; the pulley guide rail is provided with two linear rails with arc-shaped sections, which are arranged along the length direction of the linkage arm, and each linear rail and the arc-shaped side surface of one movable pulley form a rolling friction pair; two ends of the pulley lever are respectively fixed with the two movable pulleys; the loading wheel is supported on the pulley lever through a deep groove ball bearing; the cylindrical surface of the loading wheel is provided with a groove.
The executing device comprises a U-shaped chuck, a sliding block, a D-shaped shackle, an S-shaped tension sensor and a fixed pulley; the two loading wheel rods and the bracket form a revolute pair, and each loading wheel rod is fixed with a fixed pulley; a groove is formed in the cylindrical surface of the fixed pulley; the movable pulley and the two fixed pulleys of the transmission device are arranged in a triangular shape; the first ring is fixed at one end of the S-shaped tension sensor, and the second ring is fixed at one end of the sliding block; a third ring fixed at the other end of the S-shaped tension sensor and a fourth ring fixed at the other end of the sliding block are fixedly locked through a D-shaped shackle; the sliding block and the sliding groove fixed on the bracket form a sliding pair.
And a transmission case plate is fixed on the transmission case.
The outer cylinder consists of a cylinder body and a cylinder cover fixed at the groove of the lateral wall of the cylinder body.
And a flexible back stop block and a tail end cover are respectively fixed at two ends of the outer cylinder.
The outer cylinder is provided with an oil filling hole, and the oil filling hole is sealed by a sealing plug.
The two loading wheel rods and the two supporting seats respectively form a revolute pair; the supporting seat is fixed on the bracket.
And the signal output end of the S-shaped tension sensor is connected with the controller, and the motor is controlled by the controller.
The tension adjusting method of the tension adjusting device of the elevator steel wire rope testing machine comprises the following specific steps:
step one, a steel wire rope to be tested is wound around grooves of a loading wheel and two fixed pulleys; one end of the steel wire rope to be measured penetrates through the first ring on the S-shaped tension sensor and is fixedly locked with the first ring through the three U-shaped chucks; the other end of the steel wire rope to be tested penetrates through the second circular ring on the sliding block and is fixedly locked with the second circular ring through the three U-shaped chucks.
And step two, the controller controls the motor to start, the motor drives the driving gear to rotate, the driven gear is in meshing transmission with the driving gear to drive the screw rod to rotate, the inner piston rod and the piston rod sleeve are enabled to axially translate along the outer cylinder, and the piston rod sleeve drives the linkage arm to slide along the linear guide rail through the parallelogram mechanism. When the tensile force of the steel wire rope to be tested needs to be reduced, the linkage arm drives the pulley rod and the movable pulley to move towards the sliding block along the pulley guide rail, so that the steel wire rope to be tested is released; when the tension of the steel wire rope to be tested needs to be increased, the linkage arm drives the pulley rod and the movable pulley to move back to the sliding block along the pulley guide rail, so that the steel wire rope to be tested is tensioned; because the two ends of the steel wire rope to be tested are respectively connected with the sliding block and the S-shaped tension sensor, the sliding blocks move relatively on the sliding grooves in the process that the steel wire rope to be tested is loosened or tightened.
Step three, the S-shaped tension sensor transmits a tension signal borne by the steel wire rope to be tested to the controller, and the controller controls the motor to stop rotating when judging that the tension borne by the steel wire rope to be tested reaches a test value; and then, adopting the other power on the elevator steel wire rope testing machine to drive the steel wire rope to be tested to move, and testing the steel wire rope to be tested.
The invention has the beneficial effects that:
1. the invention adopts the gear pair engagement to replace the belt transmission connection between the motor and the screw rod in the original electric cylinder, has the speed reduction function, also enhances the stability in the transmission process, and meets the requirements of more stable transmission and more accurate engagement; the cooperation of inner piston rod and lead screw can make the device effectively carry out the auto-lock, and the inner piston rod drives the linkage arm through parallelogram mechanism and stimulates again, can enlarge the power that electronic jar given to can adopt the electronic jar of less power, play energy-conserving effect.
2. The strain type force sensor has the advantages of high precision, good linearity, high stability, large measurement range, convenient data recording, processing and remote transmission, and better adaptability to the environment for testing the tension force of the steel wire rope.
3. The pulley guide rail has low noise and smoother action; the invention has low cost.
Drawings
Fig. 1 is a side view of the overall structure of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is an assembly schematic diagram of the slide block, the D-shackle and the S-shaped tension sensor in the present invention.
Fig. 4 is an assembly schematic diagram of a pulley lever, a movable pulley, a linkage arm and a pulley guide rail in the invention.
Fig. 5 is a schematic view of the overall structure of the electric cylinder in the present invention.
Fig. 6 is a sectional structural view of the electric cylinder in the present invention.
In the figure: 1. u-shaped clamping head, 2, steel wire rope to be tested, 3, sliding block, 4, D-shaped shackle, 5, S-shaped tension sensor, 6, triangular connecting piece, 7, pulley rod, 8, movable pulley, 9, linkage arm, 10, pulley guide rail, 11, linear guide rail, 12, bearing seat screw, 13, pin I, 14, rod III, 15, pin II, 16, rod IV, 17, hinge support, 18, rod I, 19, pushing structure joint, 20, electric cylinder, 21, rod II, 22, support seat, 23, loading wheel rod, 24, fixed pulley, 25, sliding groove, 26, support, 27, motor, 28, screw I, 29, transmission case, 30, transmission case plate, 31, case plate bolt, 32, screw II, 33, bearing case, 34, middle connecting piece, 35, connecting frame, 36, outer cylinder, 37, cylinder cover, 38, sealing plug, 39, cover plate, 40, inner piston rod, 41 and lead screw, 42. flexible backstop, 43, back connector, 44, baffle.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the tension adjusting apparatus of an elevator wire rope testing machine includes an electric cylinder 20, a transmission, and an actuator.
As shown in fig. 5 and 6, the electric cylinder 20 includes a motor 27, a driving gear, a driven gear, an outer cylinder 36, an inner piston rod 40, a piston rod housing, and a lead screw 41; the base of the motor is fixed on the transmission case 29; an output shaft of the motor 27 is fixed with the driving gear; the transmission case 29 is fixed on the bracket 26 through a screw I28; the transmission box plate 30 is fixed on the transmission box 29 through a box plate bolt 31, so that the transmission box 29 is kept closed; the bearing box 33 is fixed on the transmission box 29 through a second screw 32; one end of the screw rod 41 is supported in the bearing box 33 through at least two angular contact ball bearings and is fixed with the driven gear; the driven gear is meshed with the driving gear, and the transmission ratio of the driven gear to the driving gear is greater than 1, so that the transmission of the gear pair plays a role in reducing speed and increasing force; adjacent angular contact ball bearings are disposed toward each other (subject to opposing axial forces) and are separated by a barrier 44; the angular contact ball bearing closest to the inner piston rod 40 is axially positioned by the rear connector 43, and the angular contact ball bearing furthest from the inner piston rod 40 is axially positioned by the shoulder of the lead screw 41; the rear connecting piece 43 is fixed with the bearing box 33; the outer cylinder 36 is fixed on the connecting frame 35, in this embodiment, the outer cylinder 36 is composed of a cylinder body and a cylinder cover 37 fixed at the groove opening of the side wall of the cylinder body; the connecting frame 35 is fixed on the bracket 26 and is fixed with the bearing box 33 through an intermediate connecting piece 34; the piston rod sleeve is provided with a piston rod sleeve hole and a lead screw placing hole which are coaxially arranged and communicated; the inner piston rod 40 is fixed in the piston rod sleeve hole of the piston rod sleeve; the outer wall of the cross section of the piston rod sleeve is square; the piston rod sleeve and the outer cylinder 36 form a sliding pair, and one end of the piston rod sleeve extends out of the outer cylinder 36; the screw rod 41 and the internal thread of the inner piston rod 40 form a screw pair, and the screw rod 41 penetrates into a screw rod mounting hole of the piston rod sleeve; the flexible back stop block 42 and the end cap 39 are fixed at the two ends of the outer cylinder 36; the flexible backstop 42 prevents the inner piston rod 40 from over-travel when retracting and from hitting the angular contact ball bearing; the end cap 39 prevents the inner piston rod 40 from disengaging the outer cylinder 36 by an excessive extension stroke; since the screw 41 is lubricated with the lubricating oil, the outer cylinder 36 is opened with an oil filling hole, and the oil filling hole is sealed with a seal plug 38 to prevent the lubricating oil from leaking.
As shown in fig. 2 and 4, the transmission device comprises a parallelogram mechanism, a pulley lever 7, a movable pulley 8, a linkage arm 9, a pulley guide rail 10 and a linear guide rail 11; the parallelogram mechanism consists of a first rod 18, a second rod 21, a third rod 14 and a fourth rod 16; one end of the first rod 18 and one end of the second rod 21 are hinged with the pushing structure joint 19 through a second pin 15; the pushing structure joint 19 is fixed with one end of the piston rod sleeve extending out of the outer cylinder 36; one end of the third rod 14 is hinged with one end of the fourth rod 16 through a second pin 15; the other end of the second rod 21 and the other end of the third rod 14 are hinged with one end of the linkage arm 9 through a second pin 15; the other end of the first rod 18 and the other end of the fourth rod 16 are hinged with the hinge support 17 through a first pin 13, and the first pin 13 is embedded into the jack of the support 26, so that the parallelogram mechanism is prevented from moving left and right when being compressed or extended; one end of the pulley guide rail 10 is limited by a boss of the bracket 26 and is fixedly connected with the linear guide rail 11 through a bearing seat screw 12; the other end of the pulley guide rail 10 is fixed with the two triangular connecting pieces 6; the two triangular connecting pieces 6 are fixed on the bracket 26; the linkage arm 9 passes through a central hole of the linear guide rail 11; the other end of the linkage arm 9 is fixed with the pulley lever 7; the pulley guide rail 10 is provided with two linear rails with arc-shaped sections arranged along the length direction of the linkage arm 9, and each linear rail and the arc-shaped side surface of one movable pulley 8 form a rolling friction pair; two ends of the pulley lever 7 are respectively fixed with the two movable pulleys 8; the loading wheel is supported on the pulley lever 7 through a deep groove ball bearing; the cylindrical surface of the loading wheel is provided with a groove for embedding the steel wire rope 2 to be tested.
As shown in fig. 1, 2 and 3, the actuating device comprises a U-shaped chuck 1, a sliding block 3, a D-shaped shackle 4, an S-shaped tension sensor 5 and a fixed pulley 24; the two loading wheel rods 23 and the two supporting seats 22 respectively form a revolute pair; the supporting seat 22 is fixed on the bracket 26; each loading wheel rod 23 is fixed with a fixed pulley 24; a groove is formed on the cylindrical surface of the fixed pulley 24; the movable pulley 8 and the two fixed pulleys of the transmission device are arranged in a triangle shape; the first ring is fixed at one end of the S-shaped tension sensor 5, and the second ring is fixed at one end of the sliding block 3; a third ring fixed at the other end of the S-shaped tension sensor 5 and a fourth ring fixed at the other end of the sliding block 3 are fixedly locked through a D-shaped shackle 4; the slide block 3 and the slide groove 25 fixed on the bracket 26 form a slide pair. The signal output end of the S-shaped tension sensor 5 is connected with a controller, and the motor 27 is controlled by the controller.
The tension adjusting method of the tension adjusting device of the elevator steel wire rope testing machine comprises the following specific steps:
step one, a steel wire rope 2 to be tested is wound around a loading wheel and grooves of two fixed pulleys; one end of a steel wire rope 2 to be measured penetrates through the first circular ring on the S-shaped tension sensor 5 and is fixedly locked with the first circular ring through the three U-shaped clamping heads 1; the other end of the steel wire rope 2 to be tested penetrates through the second circular ring on the sliding block 3 and is fixedly locked with the second circular ring through the three U-shaped chucks 1.
And step two, the controller controls the motor 27 to be started, the motor drives the driving gear to rotate, the driven gear is in meshing transmission with the driving gear to drive the screw rod 41 to rotate, so that the inner piston rod 40 and the piston rod sleeve axially translate along the outer cylinder 36, and the piston rod sleeve drives the linkage arm to slide along the linear guide rail 11 through the parallelogram mechanism. When the tensile force of the steel wire rope to be tested needs to be reduced, the linkage arm drives the pulley rod 7 and the movable pulley to move towards the sliding block 3 along the pulley guide rail 10, so that the steel wire rope to be tested is released; when the tension of the steel wire rope to be tested needs to be increased, the linkage arm drives the pulley rod 7 and the movable pulley to move back to the sliding block 3 along the pulley guide rail 10, so that the steel wire rope to be tested is tensioned; because the two ends of the steel wire rope to be tested are respectively connected with the sliding block and the S-shaped tension sensor 5, the sliding blocks move relatively on the sliding grooves in the process that the steel wire rope to be tested is loosened or tightened.
Step three, the S-shaped tension sensor 5 transmits a tension signal borne by the steel wire rope to be tested to the controller, and the controller controls the motor 27 to stop rotating when judging that the tension borne by the steel wire rope to be tested reaches a test value; and then, adopting the other power on the elevator steel wire rope testing machine to drive the steel wire rope to be tested to move, and testing the steel wire rope to be tested.
Claims (8)
1. Tension adjusting device of elevator wire rope test machine, including electronic jar, transmission and final controlling element, its characterized in that:
the electric cylinder comprises a motor, a driving gear, a driven gear, an outer cylinder, an inner piston rod, a piston rod sleeve and a lead screw; the base of the motor is fixed on the transmission case; an output shaft of the motor is fixed with the driving gear; the transmission case is fixed on the bracket; the bearing box is fixed on the transmission box; one end of the lead screw is supported in the bearing box through at least two angular contact ball bearings and is fixed with the driven gear; the driven gear is meshed with the driving gear, and the transmission ratio of the driven gear to the driving gear is greater than 1; the adjacent angular contact ball bearings are oppositely arranged and are separated by a baffle; the angular contact ball bearing closest to the inner piston rod is axially positioned by the rear connecting piece, and the angular contact ball bearing furthest away from the inner piston rod is axially positioned by a shaft shoulder of the screw rod; the rear connecting piece is fixed with the bearing box; the outer cylinder is fixed on the connecting frame; the connecting frame is fixed on the bracket and is fixed with the bearing box through an intermediate connecting piece; the piston rod sleeve is provided with a piston rod sleeve hole and a lead screw placing hole which are coaxially arranged and communicated; the inner piston rod is fixed in a piston rod sleeve hole of the piston rod sleeve; the outer wall of the cross section of the piston rod sleeve is square; the piston rod sleeve and the outer cylinder form a sliding pair, and one end of the piston rod sleeve extends out of the outer cylinder; the screw rod and the internal thread of the internal piston rod form a screw pair, and the screw rod penetrates into a screw rod mounting hole of the piston rod sleeve;
the transmission device comprises a parallelogram mechanism, a pulley lever, a movable pulley, a linkage arm, a pulley guide rail and a linear guide rail; the parallelogram mechanism consists of a first rod, a second rod, a third rod and a fourth rod; one end of the first rod and one end of the second rod are hinged with the pushing structure joint through a second pin; the pushing structure joint is fixed with one end of the piston rod sleeve extending out of the outer cylinder; one end of the third rod is hinged with one end of the fourth rod through a second pin; the other end of the second rod and the other end of the third rod are hinged with one end of the linkage arm through a second pin; the other end of the first rod and the other end of the fourth rod are hinged with the hinge support through a first pin, and the first pin is embedded into the jack of the support; one end of the pulley guide rail is fixed with the linear guide rail, and the other end of the pulley guide rail is fixed on the bracket through two triangular connecting pieces; the linkage arm penetrates through a central hole of the linear guide rail; the other end of the linkage arm is fixed with the pulley lever; the pulley guide rail is provided with two linear rails with arc-shaped sections, which are arranged along the length direction of the linkage arm, and each linear rail and the arc-shaped side surface of one movable pulley form a rolling friction pair; two ends of the pulley lever are respectively fixed with the two movable pulleys; the loading wheel is supported on the pulley lever through a deep groove ball bearing; a groove is formed in the cylindrical surface of the loading wheel;
the executing device comprises a U-shaped chuck, a sliding block, a D-shaped shackle, an S-shaped tension sensor and a fixed pulley; the two loading wheel rods and the bracket form a revolute pair, and each loading wheel rod is fixed with a fixed pulley; a groove is formed in the cylindrical surface of the fixed pulley; the movable pulley and the two fixed pulleys of the transmission device are arranged in a triangular shape; the first ring is fixed at one end of the S-shaped tension sensor, and the second ring is fixed at one end of the sliding block; a third ring fixed at the other end of the S-shaped tension sensor and a fourth ring fixed at the other end of the sliding block are fixedly locked through a D-shaped shackle; the sliding block and the sliding groove fixed on the bracket form a sliding pair.
2. The tension adjusting apparatus of an elevator wire rope testing machine according to claim 1, wherein: and a transmission case plate is fixed on the transmission case.
3. The tension adjusting apparatus of an elevator wire rope testing machine according to claim 1, wherein: the outer cylinder consists of a cylinder body and a cylinder cover fixed at the groove of the lateral wall of the cylinder body.
4. The tension adjusting apparatus of an elevator wire rope testing machine according to claim 1, wherein: and a flexible back stop block and a tail end cover are respectively fixed at two ends of the outer cylinder.
5. The tension adjusting apparatus of an elevator wire rope testing machine according to claim 1, wherein: the outer cylinder is provided with an oil filling hole, and the oil filling hole is sealed by a sealing plug.
6. The tension adjusting apparatus of an elevator wire rope testing machine according to claim 1, wherein: the two loading wheel rods and the two supporting seats respectively form a revolute pair; the supporting seat is fixed on the bracket.
7. The tension adjusting apparatus of an elevator wire rope testing machine according to claim 1, wherein: and the signal output end of the S-shaped tension sensor is connected with the controller, and the motor is controlled by the controller.
8. The tension adjusting method of the tension adjusting device of the elevator wire rope testing machine according to claim 7, characterized in that: the method comprises the following specific steps:
step one, a steel wire rope to be tested is wound around grooves of a loading wheel and two fixed pulleys; one end of the steel wire rope to be measured penetrates through the first ring on the S-shaped tension sensor and is fixedly locked with the first ring through the three U-shaped chucks; the other end of the steel wire rope to be tested penetrates through a second circular ring on the sliding block and is fixedly locked with the second circular ring through three U-shaped chucks;
secondly, the controller controls a motor to start, the motor drives a driving gear to rotate, a driven gear is in meshing transmission with the driving gear to drive a lead screw to rotate, so that an inner piston rod and a piston rod sleeve axially translate along an outer cylinder, and the piston rod sleeve drives a linkage arm to slide along a linear guide rail through a parallelogram mechanism; when the tensile force of the steel wire rope to be tested needs to be reduced, the linkage arm drives the pulley rod and the movable pulley to move towards the sliding block along the pulley guide rail, so that the steel wire rope to be tested is released; when the tension of the steel wire rope to be tested needs to be increased, the linkage arm drives the pulley rod and the movable pulley to move back to the sliding block along the pulley guide rail, so that the steel wire rope to be tested is tensioned; because the two ends of the steel wire rope to be tested are respectively connected with the sliding block and the S-shaped tension sensor, the sliding blocks move relatively on the sliding groove in the process of loosening or tensioning the steel wire rope to be tested;
step three, the S-shaped tension sensor transmits a tension signal borne by the steel wire rope to be tested to the controller, and the controller controls the motor to stop rotating when judging that the tension borne by the steel wire rope to be tested reaches a test value; and then, adopting the other power on the elevator steel wire rope testing machine to drive the steel wire rope to be tested to move, and testing the steel wire rope to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911077315.5A CN110989706A (en) | 2019-11-06 | 2019-11-06 | Tension adjusting device and method for elevator steel wire rope testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911077315.5A CN110989706A (en) | 2019-11-06 | 2019-11-06 | Tension adjusting device and method for elevator steel wire rope testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110989706A true CN110989706A (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911077315.5A Withdrawn CN110989706A (en) | 2019-11-06 | 2019-11-06 | Tension adjusting device and method for elevator steel wire rope testing machine |
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| CN (1) | CN110989706A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853508A (en) * | 2020-07-22 | 2020-10-30 | 呼伦贝尔山金矿业有限公司 | Novel multi-rope friction hoisting steel wire rope oiling device and implementation method thereof |
-
2019
- 2019-11-06 CN CN201911077315.5A patent/CN110989706A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853508A (en) * | 2020-07-22 | 2020-10-30 | 呼伦贝尔山金矿业有限公司 | Novel multi-rope friction hoisting steel wire rope oiling device and implementation method thereof |
| CN111853508B (en) * | 2020-07-22 | 2021-07-20 | 呼伦贝尔山金矿业有限公司 | Novel multi-rope friction hoisting steel wire rope oiling device and implementation method thereof |
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Application publication date: 20200410 |
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