CN112919280B - Rope clamping device - Google Patents
Rope clamping device Download PDFInfo
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- CN112919280B CN112919280B CN202110075958.7A CN202110075958A CN112919280B CN 112919280 B CN112919280 B CN 112919280B CN 202110075958 A CN202110075958 A CN 202110075958A CN 112919280 B CN112919280 B CN 112919280B
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- rope
- pair
- conical plates
- conical
- housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
- B66B5/24—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by acting on guide ropes or cables
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention provides a rope clamp, which comprises: the rope body clamping device comprises a shell, a plurality of first conical plates used for clamping a disconnected rope body, a pair of stopping pieces used for supporting the first conical plates and a trigger mechanism used for shifting the stopping pieces to rotate, wherein the first conical plates are axially and slidably arranged in the shell, the first conical plates surround a cylindrical cavity used for the rope body to pass through, the stopping pieces are rotatably arranged on the shell and located below the first conical plates, and the trigger mechanism is rotatably arranged below the stopping pieces and used for rotatably supporting or releasing the first conical plates by triggering the stopping pieces. Thereby locking the rope body in order to prevent continuing to slide down, preventing that the tower section on the rope body from falling, improving the stability, the security and the reliability of tower body.
Description
Technical Field
The invention relates to the technical field of radar calibration equipment, in particular to a rope clamping device.
Background
The tower body needs to be lifted when the mine standard-reaching school bus works, the lifting state needs to be kept for a long time, the tower body is composed of a plurality of tower sections, the tower sections are lifted and kept to be driven by a steel wire rope, the safety of the steel wire rope directly determines the stability of the tower body, and due to the fact that the mine standard-reaching school bus in the prior art is not provided with an anti-falling device and cannot be prevented from falling due to sudden breakage of the steel wire rope due to the fact that the mine standard-reaching school bus is influenced by factors such as installation space and no suitable market products.
Disclosure of Invention
The invention aims to solve the technical problem of providing a rope clamp aiming at the defects of the prior art.
The technical scheme for solving the technical problems is as follows: a cord gripper, comprising: the rope body clamping device comprises a shell, a plurality of first conical plates used for clamping a disconnected rope body, a pair of stopping pieces used for supporting the first conical plates and a trigger mechanism used for shifting the stopping pieces to rotate, wherein the first conical plates are axially and slidably arranged in the shell, the first conical plates surround a cylindrical cavity used for the rope body to pass through, the stopping pieces are rotatably arranged on the shell and located below the first conical plates, and the trigger mechanism is rotatably arranged below the stopping pieces and used for rotatably supporting or releasing the first conical plates by triggering the stopping pieces.
The invention has the beneficial effects that: through the design, have first conical plate, backstop piece and trigger mechanism's rope gripper, when the rope body fracture, the tower body weightlessness, the rope body slides down fast and can trigger mechanism, and the backstop piece can rotate, no longer supports first conical plate, and first conical plate slides along the casing under self action of gravity, presss from both sides tight rope body. Thereby locking the rope body in order to prevent continuing to slide down, preventing that the tower section on the rope body from falling, improving the stability, the security and the reliability of tower body.
Further, the trigger mechanism includes: the rope body is provided with a gap between the rolling shafts, the gap corresponds to the cylindrical cavity, the two pairs of connecting rods correspond to the two pairs of rolling shafts, the two pairs of throwing hooks correspond to the two pairs of connecting rods, and the stop piece is located on the motion track of the throwing hook.
The beneficial effect of adopting the further scheme is that: when the rope body breaks suddenly, the roller bearing drives to get rid of the hook and rotates fast for get rid of the hook and stir the backstop piece, and the backstop piece can rotate, no longer supports first toper board, and first toper board slides along the casing under the dead weight effect, thereby presss from both sides tight wire rope, firmly locks the rope body, makes the rope body no longer remove, guarantees the safety of equipment.
Furthermore, the connecting rod is eccentrically arranged relative to the axle center of the rolling shaft, and the end part of the throwing hook is of a hook body structure.
The beneficial effect of adopting the further scheme is that: the connecting rod is arranged at a position eccentric to the central shaft of the roller, and the swinging hook is connected with the connecting rod and can generate relative rotation between the swinging hook and the connecting rod. When the roller normally rotates, the radius of the motion track of the swinging rod is smaller. When the rotating speed of the rolling shaft is large, the throwing rod is thrown out under the centrifugal effect, the track radius is increased, and the stopping piece is stirred. When the rope body snap, the roller bearing drives through eccentric settings's connecting rod and gets rid of the hook and rotate fast for get rid of the hook and stir the backstop piece, the backstop piece can rotate, no longer supports first conical plate, and first conical plate slides along the casing under the dead weight effect, thereby presss from both sides tight wire rope, locks firmly the rope body, makes the rope body no longer remove, guarantees the safety of equipment.
Furthermore, the middle part of the roller is provided with a groove wheel which is used for being abutted against the rope body, the groove wheel corresponds to the cylindrical cavity, and the roller is rotatably arranged on the shell through a bearing.
The beneficial effect of adopting the further scheme is that: when the rope body is suddenly broken due to accident, the tower body loses weight and falls, so that the rope body moves in the rope clamping device at a very high speed, the groove wheel in the middle of the rolling shaft is tightly attached to the rope body, the rolling shaft rotates at a high speed, the throwing hook is thrown out under the action of centrifugal force and hits the stopping piece, the end part of the throwing hook is in a hook shape and can drive the stopping piece to rotate along the pin, the stopping piece no longer supports the first conical plate, the first conical plate moves downwards along the inner conical surface of the cup-shaped sleeve under the combined force of the spring and the dead weight, the first conical plate is drawn towards the center to clamp the rope body, meanwhile, under the action of friction force, the rope body drives the first conical plate to continue to move downwards, the aperture formed by the first conical plate is further reduced, the friction force is increased along with the first conical plate, the larger the pulling force of the rope body is, the extrusion force and the friction force of the first conical plate and the rope body are increased, so that the rope body is firmly locked, and the tower body does not fall still, and accidents are avoided. Install on the tower body when pressing from both sides the rope ware and use, the rope body passes the cylinder cavity of pressing from both sides the rope ware, and when the rope body normally moved, only driven the roller bearing that presss from both sides the rope ware and rotated, so the resistance is very little, and the roller bearing can also play the guide effect to the rope body moreover, makes its along self orbit motion.
Further, be provided with a pair of dustcoat on the lateral wall of casing, it is a pair of the dustcoat with a pair of the both ends of roller bearing correspond the setting, the both ends of roller bearing are run through the casing and are located the casing with between the dustcoat, the connecting rod and get rid of the hook and all be located the casing with between the dustcoat.
The beneficial effect of adopting the further scheme is that: the outer cover is arranged on the outer side of the shell and plays a role in safety protection.
Further, still include: the unlocking mechanism is arranged on the shell and connected with the first conical plates.
The beneficial effect of adopting the further scheme is that: the unlocking mechanism is arranged, so that a user can release the rope body slowly through the unlocking mechanism, the user can reset the rope clamping device conveniently, and the stability and reliability of the rope clamping device are improved.
Further, the unlocking mechanism includes: the pair of cup-shaped sleeves are arranged between the plurality of first conical plates and the shell, the pair of set screws are arranged on the side wall of the shell, and the pair of set screws correspondingly abut against the pair of cup-shaped sleeves.
The beneficial effect of adopting the further scheme is that: when the unlocking is needed, the set screw on the shell can be loosened slowly, the cup-shaped sleeve is composed of two halves, the cup-shaped sleeve expands outwards under the action of the constraint force, the first conical plate moves outwards along with the cup-shaped sleeve, the clamping force between the cup-shaped sleeve and the rope body is reduced, the rope body can move slowly, the tower body can be put down slowly, and safety accidents of personnel and equipment caused by weight loss and quick falling are avoided.
Further, the top of casing is provided with the apron, the top of first conical plate is provided with the spring, the both ends of spring respectively with the apron and first conical plate is connected, the middle part of apron is provided with the through-hole that is used for the rope body to pass through, the through-hole with the cylinder cavity corresponds.
The beneficial effect of adopting the further scheme is that: the arrangement of apron and spring for exert pressure to first conical plate, when the backstop piece rotates, promote first conical plate downwards, realize the tight work of clamp of a plurality of first conical plates to the rope body, provide the corresponding speed of rope clamping device, improve the stability and the reliability of rope clamping device.
Further, be provided with on the lateral wall of casing and be used for installing the mounting hole on the tower body with the casing, the casing is the cuboid structure.
The beneficial effect of adopting the further scheme is that: due to the arrangement of the mounting holes, the rope clamping device is convenient to mount on the tower body, and the mounting efficiency is improved.
Further, the stopping sheet is rotatably arranged on the shell through a pin, and the number of the first conical plates is 3.
The beneficial effect of adopting the further scheme is that: the separation blade passes through the pin and installs on the casing, the installation and the maintenance of the separation blade of being convenient for, the installation of the rope clamping device of being convenient for of three first conical plate, and the setting of three first conical plate prevents to influence each other and the card is dead between the adjacent first conical plate, and a plurality of first conical plates of being convenient for independently slide in the casing, improve the corresponding speed of rope clamping device, improve the stability and the reliability of rope clamping device.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a top view of a first tapered plate provided in an embodiment of the present invention.
Fig. 2 is a side view of a first tapered plate provided by an embodiment of the present invention.
Fig. 3 is a schematic diagram of a trigger mechanism according to an embodiment of the present invention.
Fig. 4 is a second schematic diagram of the trigger mechanism according to the embodiment of the present invention.
Fig. 5 is one of the schematic diagrams of the rope clamp according to the embodiment of the present invention.
Fig. 6 is a second schematic diagram of the rope clamp according to the embodiment of the present invention.
Fig. 7 is a third schematic view of the rope clamp according to the embodiment of the present invention.
Fig. 8 is a front view of the rope clamp provided by the embodiment of the invention.
Fig. 9 is a top view of the rope clamp according to the embodiment of the present invention.
Fig. 10 is a perspective view of the rope clamp according to the embodiment of the present invention.
The reference numbers illustrate: 1-a shell; 2-a first tapered plate; 3-stopping sheet; 4-a trigger mechanism; 5-a cylindrical cavity; 6-rolling shafts; 7-a connecting rod; 8-throwing the hook; 9-a groove wheel; 10-a bearing; 11-a housing; 12-an unlocking mechanism; 13-set screws; 14-a cup-shaped sleeve; 15-cover plate; 16-a spring; 17-a through hole; 18-mounting holes; 19-dowel.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 10, fig. 1 is a top view of a first tapered plate according to an embodiment of the present invention. Fig. 2 is a side view of a first tapered plate provided by an embodiment of the present invention. Fig. 3 is a schematic diagram of a trigger mechanism according to an embodiment of the present invention. Fig. 4 is a second schematic diagram of the trigger mechanism according to the embodiment of the present invention. Fig. 5 is one of the schematic diagrams of the rope clamp according to the embodiment of the present invention. Fig. 6 is a second schematic diagram of the rope clamp according to the embodiment of the present invention. Fig. 7 is a third schematic diagram of the rope clamp according to the embodiment of the present invention. Fig. 8 is a front view of the rope clamp provided by the embodiment of the invention. Fig. 9 is a top view of the rope clamp according to the embodiment of the present invention. Fig. 10 is a perspective view of the rope clamp according to the embodiment of the present invention.
As shown in fig. 1 to 10, an embodiment of the present invention provides a rope clamp, including: casing 1, be used for carrying out a plurality of first conical plate 2 that press from both sides tightly, a pair of backstop piece 3 that is used for supporting first conical plate 2 and be used for stirring backstop piece 3 pivoted trigger mechanism 4, it is a plurality of first conical plate 2 can set up axially sliding in casing 1, it is a plurality of first conical plate 2 encloses into the cylinder cavity 5 that is used for the rope body to pass through, and is a pair of backstop piece 3 rotationally sets up on the casing 1, and be located a plurality of the below of first conical plate 2, trigger mechanism 4 rotationally sets up in a pair of the below of backstop piece 3, and through triggering the backstop piece rotates and supports or release first conical plate.
The invention has the beneficial effects that: through the design, have first conical plate, backstop piece and trigger mechanism's rope gripper, when the rope body fracture, the tower body weightlessness, the rope body slides down fast and can trigger mechanism, and the backstop piece can rotate, no longer supports first conical plate, and first conical plate slides along the casing under self action of gravity, presss from both sides tight rope body. Thereby locking the rope body in order to prevent continuing to slide down, preventing that the tower section on the rope body from falling, improving the stability, the security and the reliability of tower body.
The embodiment of the invention provides a rope clamp which can be applied to a tower body falling prevention device for a radar calibration vehicle, and aims to solve the problem that a tower body falls due to sudden fracture of a steel wire rope (namely a rope body) in the radar calibration vehicle. Comprises a conical clamping block (namely a first conical plate), a cup-shaped sleeve, a set screw, a spring, a rolling shaft, a bearing, a stop piece, a connecting rod, a throwing hook, a pin, a shell, an outer cover, a cover plate and the like. The safety, the reliability and the operation convenience of installation and unlocking are comprehensively considered, the safety problem caused by sudden falling of the tower body is solved, obvious beneficial technical effects are obtained, and the tower has prominent substantive characteristics and remarkable progress. When the steel wire rope is broken, the tower body is weightless, the steel wire rope slides down quickly to trigger the rope clamping device mechanism, and therefore the rope is locked to prevent the rope from sliding down continuously. Has the guiding function of the rope body, small occupied space, large bearing capacity and convenient and reliable installation. The generating device is rapid and reliable, and the device is convenient to unlock and easy to operate.
The rope clamping device specifically comprises: a conical clamping block (i.e. a first conical plate), a cup-shaped sleeve, a set screw, a spring, a roller, a bearing, a stop piece, a connecting rod, a throwing hook, a pin, a shell, an outer cover and a cover plate. The whole appearance of the rope clamping device is a cuboid, the center of the rope clamping device is provided with a hole (namely a cylindrical cavity), the side face of the rope clamping device is provided with 4 bolt mounting holes (namely mounting holes), and the mounting mode is horizontal mounting on the side face. Three conical clamping blocks with the same size are arranged in the clamping device, the conical clamping blocks can slide on the conical surface of a conical block sleeve (namely a cup-shaped sleeve) matched with the conical clamping blocks, springs are arranged on the upper surfaces of the conical clamping blocks, and stop sheets are arranged on the lower surfaces of the conical clamping blocks for supporting. Two rolling shafts are arranged in the middle of the rope clamping device, a circular groove is arranged in the middle of each rolling shaft, and a connecting rod and a throwing hook are arranged on the end faces of the rolling shafts. The rope clamping device is installed on the tower body when in use, the steel wire rope penetrates through a center hole of the rope clamping device, and when the steel wire rope normally moves, the steel wire rope only drives the rolling shaft of the rope clamping device to rotate, so that resistance is very small, and the rolling shaft can also play a role in guiding the steel wire rope, so that the steel wire rope moves along the track of the steel wire rope. When the steel wire rope is suddenly broken, the rope clamping device can quickly respond to generate clamping action, the rope is firmly locked, the steel wire rope does not move any more, and the safety of equipment is ensured. The rope clamping device provided by the embodiment of the invention is suitable for mine standard school buses, has the characteristics of quick and reliable locking, and is small in required installation space and simple and convenient in unlocking operation.
As shown in fig. 3 to 4, further, the trigger mechanism 4 includes: a pair of roller bearing 6, two pairs of connecting rods 7 and two pairs of throwing hooks 8, a pair of roller bearing 6 rotationally sets up just be located on the casing 1 the below of ending separation blade 3, it is a pair of be provided with the clearance that is used for the rope body to pass through between the roller bearing 6, the clearance with cylinder cavity 5 corresponds, and two pairs of connecting rods 7 correspond and two pairs the both ends of roller bearing 6 are articulated, and two pairs of throwing hooks 8 correspond and two pairs connecting rod 7 are articulated, and is a pair it is two pairs to end separation blade 3 is located on two pairs of throwing hook 8's movement track.
The beneficial effect of adopting the further scheme is that: when the rope body snap fracture, the roller bearing drives and gets rid of the hook and rotates fast for get rid of the hook and stir the backstop piece, and the backstop piece can rotate, no longer supports first conical plate, and first conical plate slides along the casing under the dead weight effect, thereby presss from both sides tight wire rope, locks firmly the rope body, makes the rope body no longer remove, guarantees the safety of equipment.
As an alternative, a connecting rod and a throwing hook may be arranged at two ends of one of the pair of rollers, and the end of the throwing hook may be a straight rod structure. The number of the stopping pieces can be a pair, the number of the first conical plates can be three, one stopping piece of the stopping pieces is located below one first conical plate of the three first conical plates, and the other stopping piece of the stopping pieces is located at the junction position of the other two first conical plates of the three first conical plates, so that the other two first conical plates can be simultaneously supported.
As shown in fig. 3 to 4, the link 7 is eccentrically disposed with respect to the axis of the roller 6, and the end of the slinger 8 has a hook structure.
The beneficial effect of adopting the further scheme is that: the connecting rod is arranged at a position eccentric to the central shaft of the roller, and the swinging hook is connected with the connecting rod and can generate relative rotation between the swinging hook and the connecting rod. When the roller rotates normally, the radius of the motion track of the swinging rod is smaller. When the rotating speed of the rolling shaft is large, the throwing rod is thrown out under the centrifugal effect, the track radius is increased, and the stopping piece is stirred. When the rope body snap, the roller bearing drives through eccentric settings's connecting rod and gets rid of the hook and rotate fast for get rid of the hook and stir the backstop piece, the backstop piece can rotate, no longer supports first conical plate, and first conical plate slides along the casing under the dead weight effect, thereby presss from both sides tight wire rope, locks firmly the rope body, makes the rope body no longer remove, guarantees the safety of equipment.
As shown in fig. 3 to 4, further, a groove wheel 9 for abutting against the rope body is provided at the middle of the roller 6, the groove wheel 9 corresponds to the cylindrical cavity, and the roller 6 is rotatably provided on the housing 1 through a bearing 10.
The beneficial effect of adopting the further scheme is that: when the rope body is suddenly broken due to accident, the tower body loses weight and falls, so that the rope body moves in the rope clamping device at a very high speed, the groove wheel in the middle of the rolling shaft is tightly attached to the rope body, the rolling shaft rotates at a high speed, the throwing hook is thrown out under the action of centrifugal force and hits the stopping piece, the end part of the throwing hook is in a hook shape and can drive the stopping piece to rotate along the pin, the stopping piece no longer supports the first conical plate, the first conical plate moves downwards along the inner conical surface of the cup-shaped sleeve under the combined force of the spring and the dead weight, the first conical plate is drawn towards the center to clamp the rope body, meanwhile, under the action of friction force, the rope body drives the first conical plate to continue to move downwards, the aperture formed by the first conical plate is further reduced, the friction force is increased along with the first conical plate, the larger the pulling force of the rope body is, the extrusion force and the friction force of the first conical plate and the rope body are increased, so that the rope body is firmly locked, and the tower body does not fall still, and accidents are avoided. Install on the tower body when pressing from both sides the rope ware and use, the rope body passes the cylinder cavity of pressing from both sides the rope ware, and when the rope body normally moved, only driven the roller bearing that presss from both sides the rope ware and rotated, so the resistance is very little, and the roller bearing can also play the guide effect to the rope body moreover, makes its along self orbit motion.
As shown in fig. 5 to 7, a pair of outer covers 11 is disposed on the side wall of the casing 1, the pair of outer covers 11 is disposed corresponding to two ends of the pair of rollers 6, two ends of the rollers 6 penetrate through the casing 1 and are located between the casing 1 and the outer covers 11, and the link 7 and the swing hook 8 are located between the casing 1 and the outer covers 11.
The beneficial effect of adopting the further scheme is that: the outer cover is arranged on the outer side of the shell and plays a role in safety protection.
As shown in fig. 5 to 7, further, the method further includes: the unlocking mechanism 12 is arranged on the shell 1, and the unlocking mechanism 12 is connected with the first conical plates 2.
The beneficial effect of adopting the further scheme is that: the unlocking mechanism is arranged, so that a user can release the rope body slowly through the unlocking mechanism, the user can reset the rope clamping device conveniently, and the stability and reliability of the rope clamping device are improved.
As shown in fig. 5 to 7, further, the unlocking mechanism 12 includes: a pair of set screws 13 and a pair of cup-shaped sleeves 14, wherein the pair of cup-shaped sleeves 14 are disposed between the plurality of first conical plates 2 and the housing 1, the pair of set screws 13 are disposed on a side wall of the housing 1, and the pair of set screws 13 are correspondingly abutted against the pair of cup-shaped sleeves 14.
The beneficial effect of adopting the further scheme is that: when the unlocking is needed, the set screw on the shell can be loosened slowly, the cup-shaped sleeve is composed of two halves, the cup-shaped sleeve expands outwards under the action of the constraint force, the first conical plate moves outwards along with the cup-shaped sleeve, the clamping force between the cup-shaped sleeve and the rope body is reduced, the rope body can move slowly, the tower body can be put down slowly, and safety accidents of personnel and equipment caused by weight loss and quick falling are avoided.
As shown in fig. 1 to 10, further, a cover plate 15 is disposed on the top of the housing 1, a spring 16 is disposed on the top of the first tapered plate 2, two ends of the spring 16 are respectively connected to the cover plate 15 and the first tapered plate 2, a through hole 17 for a rope to pass through is disposed in the middle of the cover plate 15, and the through hole 17 corresponds to the cylindrical cavity 5.
The beneficial effect of adopting the further scheme is that: the arrangement of apron and spring for exert pressure to first conical plate, when the backstop piece rotates, promote first conical plate downwards, realize the tight work of clamp of a plurality of first conical plates to the rope body, provide the corresponding speed of rope clamping device, improve the stability and the reliability of rope clamping device.
As shown in fig. 8 to 10, a mounting hole 18 for mounting the housing 1 on the tower body is further provided on a side wall of the housing 1, and the housing 1 has a rectangular parallelepiped structure.
The beneficial effect of adopting the further scheme is that: due to the arrangement of the mounting holes, the rope clamping device is convenient to mount on the tower body, and the mounting efficiency is improved.
Wherein the mounting hole may be mounted on the housing or the cover.
As shown in fig. 1 to 10, the stopping sheet 3 is further rotatably provided on the housing 1 by a pin 19, and the number of the first tapered plates 2 is 3.
The beneficial effect of adopting the further scheme is that: the separation blade passes through the pin and installs on the casing, the installation and the maintenance of the separation blade of being convenient for, the installation of the rope clamping device of being convenient for of three first conical plate, and the setting of three first conical plate prevents to influence each other and the card is dead between the adjacent first conical plate, and a plurality of first conical plates of being convenient for independently slide in the casing, improve the corresponding speed of rope clamping device, improve the stability and the reliability of rope clamping device.
Wherein the pin can also be mounted at the bottom of the cup-shaped sleeve. The middle part of the stopping sheet is connected with the pin. The end part of the stopping sheet is of a semi-arc structure.
This locking position of pressing from both sides rope ware mainly includes: the clamping device comprises a conical clamping block, a cup-shaped sleeve, a spring, a stop piece and a pin. The conical clamping blocks are arranged in the cup-shaped sleeve and can slide along the conical surface of the cup-shaped sleeve, and 3 conical clamping blocks can form a space with a cylindrical middle part for passing through the steel wire rope. The conical clamping block is provided with a spring on the upper surface and is supported by a stop piece on the lower surface, and the stop piece can rotate along the pin. When the steel wire rope is broken to cause the response of the rope clamp, the stop sheet rotates to stop supporting the conical clamping block, and the conical clamping block slides along the cup-shaped sleeve under the action of self weight and the spring, so that the steel wire rope is clamped.
As shown in fig. 3 to 4, the rope clamp triggering mechanism mainly includes: roller bearing, throw hook, connecting rod. The trigger mechanism is positioned below the locking part, the rolling shafts are arranged on the bearings, a circular groove is arranged between the two rolling shafts, the groove is tightly attached to the steel wire rope during normal work, and the linear movement of the steel wire rope can drive the rolling shafts to rotate. The connecting rod is arranged at a position eccentric to the central shaft of the roller, and the swinging hook is connected with the connecting rod and can generate relative rotation between the swinging hook and the connecting rod. When the roller normally rotates, the radius of the motion track of the swinging rod is smaller. When the rotating speed of the roller is higher, the throwing rod is thrown out under the centrifugal action, and the track radius is increased.
The whole structure of the rope clamp of the embodiment of the invention is a cuboid, which mainly comprises: cover plate, holding screw, casing, dustcoat. The cover plate is arranged on the shell and used for compressing the spring and is fixed by the screw, the shell consists of two halves, a set screw hole is punched on the shell, the set screw is screwed in the hole and tightly props against the cup-shaped sleeve, and the outer cover is arranged on the outer side of the shell to play a role in safety protection. According to the working principle of the rope clamp, a steel wire rope penetrates through a center hole of the rope clamp, and when the steel wire rope normally drives the calibration tower body to move, the rope clamp is not triggered and only plays a role in guiding the steel wire rope. When the steel wire rope is suddenly broken due to accident, the tower body loses weight and falls, so that the steel wire rope moves in the rope clamping device at a very high speed, the round groove in the middle of the rolling shaft is tightly attached to the steel wire rope, the rolling shaft rotates at a high speed, the swing hook is thrown out under the action of centrifugal force and hits the stop piece, the stop piece is driven to rotate along the pin because the end part of the swing hook is in a hook shape, so that the stop piece does not support the conical clamping block any more, the conical clamping block moves downwards along the inner conical surface of the cup-shaped sleeve under the combined force of the spring and the dead weight, the conical clamping block draws close to the steel wire rope towards the center to clamp the steel wire rope, meanwhile, under the action of friction force, the steel wire rope drives the conical clamping block to continue to move downwards, the aperture formed by the conical clamping block is further reduced, the friction force is increased, the larger the pulling force of the steel wire rope is, the larger the extrusion force and the friction force of the conical clamping block and the steel wire rope are increased, so that the steel wire rope is firmly locked, the tower body is static and does not fall off any more, and accidents are avoided. When the unlocking is needed, the set screw on the shell can be loosened slowly, the cup-shaped sleeve is composed of two halves, the cup-shaped sleeve expands outwards under the action of the constraint force, the conical clamping block moves outwards along with the cup-shaped sleeve, the clamping force between the cup-shaped sleeve and the steel wire rope is reduced, the steel wire rope can move slowly, the tower body can be put down slowly, and safety accidents of personnel and equipment caused by weight loss and quick falling are avoided.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A rope clamp, characterized by comprising: the rope body clamping device comprises a shell (1), a plurality of first conical plates (2) used for clamping a disconnected rope body, a pair of stopping pieces (3) used for supporting the first conical plates (2) and a trigger mechanism (4) used for shifting the stopping pieces (3) to rotate, wherein the first conical plates (2) are axially and slidably arranged in the shell (1), the first conical plates (2) enclose a cylindrical cavity (5) used for a rope body to pass through, the stopping pieces (3) are rotatably arranged on the shell (1) and located below the first conical plates (2), and the trigger mechanism (4) is rotatably arranged below the stopping pieces (3) and used for supporting or releasing the first conical plates in a rotating mode by triggering the stopping pieces.
2. A rope clamp according to claim 1, characterized in that said triggering mechanism (4) comprises: a pair of roller bearing (6), two pairs of connecting rods (7) and two pairs of flail hooks (8), a pair of roller bearing (6) rotationally set up casing (1) is gone up and is located the below of ending separation blade (3), it is a pair of be provided with the clearance that is used for the rope body to pass through between roller bearing (6), the clearance with cylinder cavity (5) correspond, and two pairs of connecting rod (7) correspond and two pairs the both ends of roller bearing (6) are articulated, and two pairs of flail hooks (8) correspond and two pairs connecting rod (7) are articulated, and is a pair it is two pairs to end separation blade (3) are located on the motion trail of flail hook (8).
3. The rope clamp according to claim 2, characterized in that the connecting rod (7) is eccentrically arranged relative to the axis of the roller (6), and the end of the throwing hook (8) is of a hook body structure.
4. A rope clamp according to claim 2, characterized in that the middle of the roller (6) is provided with a grooved wheel (9) for abutment with the rope body, the grooved wheel (9) corresponding to the cylindrical cavity (5), the roller (6) being rotatably arranged on the housing (1) by means of a bearing (10).
5. The rope clamp according to claim 2, characterized in that a pair of outer covers (11) are arranged on the side wall of the housing (1), the pair of outer covers (11) is arranged corresponding to the two ends of the pair of rollers (6), the two ends of the rollers (6) penetrate through the housing (1) and are positioned between the housing (1) and the outer covers (11), and the connecting rod (7) and the throwing hook (8) are positioned between the housing (1) and the outer covers (11).
6. The rope clamp of claim 1, further comprising: the unlocking mechanism (12) is arranged on the shell (1), and the unlocking mechanism (12) is connected with the first conical plates (2).
7. A cord gripper according to claim 6, characterized in that said unlocking mechanism (12) comprises: a pair of set screws (13) and a pair of cup-shaped sleeves (14), wherein the pair of cup-shaped sleeves (14) are arranged between the plurality of first conical plates (2) and the shell (1), the pair of set screws (13) are arranged on the side wall of the shell (1), and the pair of set screws (13) are correspondingly abutted to the pair of cup-shaped sleeves (14).
8. The rope clamp according to claim 1, characterized in that a cover plate (15) is arranged on the top of the housing (1), a spring (16) is arranged on the top of the first tapered plate (2), two ends of the spring (16) are respectively connected with the cover plate (15) and the first tapered plate (2), a through hole (17) for a rope body to pass through is arranged in the middle of the cover plate (15), and the through hole (17) corresponds to the cylindrical cavity (5).
9. The rope clamp according to claim 1, characterized in that the side wall of the housing (1) is provided with a mounting hole (18) for mounting the housing (1) on a tower body, and the housing (1) has a rectangular parallelepiped structure.
10. A rope clamp according to claim 1, characterized in that the stop piece (3) is rotatably arranged on the housing (1) by means of a pin (19), and the number of the first conical plates (2) is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110075958.7A CN112919280B (en) | 2021-01-20 | 2021-01-20 | Rope clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110075958.7A CN112919280B (en) | 2021-01-20 | 2021-01-20 | Rope clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112919280A CN112919280A (en) | 2021-06-08 |
| CN112919280B true CN112919280B (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110075958.7A Active CN112919280B (en) | 2021-01-20 | 2021-01-20 | Rope clamping device |
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| Country | Link |
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| CN (1) | CN112919280B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117068981B (en) * | 2023-10-18 | 2024-01-30 | 阿尔法起重机有限公司 | Anti-falling intelligent winch |
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|---|---|---|---|---|
| GB191210200A (en) * | 1912-04-30 | 1913-04-17 | Frank William Nunn | Novel or Improved Means or Appliance for Automatically Supporting a Pit Cage in Safety should the Haulage Rope Break, the said Means or Appliance being also Applicable to Lifts of Various Kinds. |
| CN2910875Y (en) * | 2006-05-29 | 2007-06-13 | 刘德民 | Overspeed protective safety device for traction force lifter in construction site |
| JP2011111283A (en) * | 2009-11-26 | 2011-06-09 | Hitachi Building Systems Co Ltd | Confinement rescue method of elevator |
| CN102120539A (en) * | 2010-12-30 | 2011-07-13 | 沈阳博林特电梯股份有限公司 | Electromagnetic wedge-shaped bidirectional rope gripper |
| CN202785154U (en) * | 2012-11-09 | 2013-03-13 | 刘德民 | Gradual rope gripper and gradual overspeed protection safety device of traction type lifting device |
| CN106219357A (en) * | 2016-07-22 | 2016-12-14 | 山东泰安煤矿机械有限公司 | The rope Locking device of well lifter suspension arrangement is erect for mine |
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2021
- 2021-01-20 CN CN202110075958.7A patent/CN112919280B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191210200A (en) * | 1912-04-30 | 1913-04-17 | Frank William Nunn | Novel or Improved Means or Appliance for Automatically Supporting a Pit Cage in Safety should the Haulage Rope Break, the said Means or Appliance being also Applicable to Lifts of Various Kinds. |
| CN2910875Y (en) * | 2006-05-29 | 2007-06-13 | 刘德民 | Overspeed protective safety device for traction force lifter in construction site |
| JP2011111283A (en) * | 2009-11-26 | 2011-06-09 | Hitachi Building Systems Co Ltd | Confinement rescue method of elevator |
| CN102120539A (en) * | 2010-12-30 | 2011-07-13 | 沈阳博林特电梯股份有限公司 | Electromagnetic wedge-shaped bidirectional rope gripper |
| CN202785154U (en) * | 2012-11-09 | 2013-03-13 | 刘德民 | Gradual rope gripper and gradual overspeed protection safety device of traction type lifting device |
| CN106219357A (en) * | 2016-07-22 | 2016-12-14 | 山东泰安煤矿机械有限公司 | The rope Locking device of well lifter suspension arrangement is erect for mine |
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|---|---|
| CN112919280A (en) | 2021-06-08 |
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