CN214018981U - Perpendicular wire rope receive and releases tensioning ware for lifeline - Google Patents

Abstract

A steel wire rope take-up and pay-off tensioner for a vertical lifeline is characterized in that a steel wire rope take-up and pay-off tensioner is connected below a steel wire rope of the vertical lifeline, and the steel wire rope take-up and pay-off tensioner is characterized in that: the center of the hollow screw is provided with a through hole which is in clearance fit with the steel rope, the outer circle of the hollow screw is provided with an external thread, and the lower end of the hollow screw is provided with a rotating device; the group of chucks are connected to the hollow screw, the lower end of each chuck is provided with chuck teeth, the inner side of each chuck is an arc surface, and the outer side of each chuck is a conical surface; the taper hole at the upper end of the taper hole thread bushing is matched with a conical surface formed by a group of chucks, an inner hole at the lower end of the taper hole thread bushing is in threaded connection with the hollow screw rod, threads are arranged on the excircle of the lower end of the hollow screw rod, and a rotating device is arranged on the outer surface of the hollow screw rod. The utility model discloses collect wire rope receive and release, the tensioning function is as an organic whole, and overall dimension is less, and the installation is installed and removed the convenience, receive and releases the process and can not harm the wire rope surface, makes wire rope repeatedly usable, connects safe and reliable, is a neotype wire rope that is used for perpendicular lifeline receive and releases, tensioning equipment.

Description

Perpendicular wire rope receive and releases tensioning ware for lifeline

Technical Field

The utility model relates to a part that is used for high altitude lifesaving protector that falls, concretely relates to perpendicular wire rope for lifeline receive and releases tensioning ware.

Background

The vertical lifeline is a high-altitude falling lifesaving protection system and is used for preventing personal injury accidents possibly caused by sudden falling of high-altitude operation personnel. The high-altitude falling protection system consists of a vertical steel wire rope fixed by a connecting piece, a falling brake, a safety rope, a C-shaped hook, a whole body type mounting belt and the like. When in use, the personnel working aloft wears the whole body type safety belt, the safety belt is hung with the safety rope, and the safety rope is connected with the falling brake by the C-shaped hook. And the falling brake is sleeved on the steel wire rope in an empty way and slides along the steel wire rope along with the movement of people. In order to make the brake slide smoothly, the surface of the steel wire rope is required to be smooth and straight. Typically, the ends of the steel cord are secured with rope clamps, as shown in fig. 1. The connection is simple and reliable, but once used, the rope clamp can press unrecoverable dents on the surface of the steel wire rope, so that the steel wire rope cannot be reused. For equipment with the protection height increasing continuously, such as a tower crane, the length of the steel wire rope is continuously lengthened along with the heightening of the tower crane, the steel wire rope has to be replaced once when the height of each liter is increased by one layer, and the whole vertical lifeline needs to be installed again. The device is labor-consuming, time-consuming and high in cost, and the popularization and application of the vertical lifeline on the equipment are greatly limited.

The patent product of the inventor of the invention is a steel rope winding and unwinding device for a vertical lifeline, and the patent number is as follows: zl201920086081.x has the full function of a rope clamp, can clamp a steel wire rope at a required length, does not leave unrecoverable dents on the surface of the steel wire rope, and can be used repeatedly. For equipment such as a tower crane, a steel wire rope can be arranged according to the maximum length, and the steel wire rope can be clamped at the required length. Because the steel wire rope does not need to be replaced every time and the vertical lifeline does not need to be installed again, the material cost and the labor cost are greatly reduced. The steel wire rope winding and unwinding device must be matched with a steel wire rope tensioner for use, and the installation on a vertical lifeline is schematically shown in figure 2, so that the steel wire rope winding and unwinding device is single in function and complex in structure. Meanwhile, the tensioning of all steel ropes of the vertical lifeline needs to use another patent product 'a steel rope tensioner for the vertical lifeline' of the inventor, and the patent number 201920085434.4.

Disclosure of Invention

The utility model aims at the problem that the prior patent function to the inventor is single, the structure is comparatively complicated, provides a simple structure, has a perpendicular for lifeline wire rope receive and release tensioning ware's that receive and releases the technical scheme who has two kinds of functions of receiving and releasing and tensioning wire rope simultaneously. The technical scheme can replace the original steel rope winding and unwinding device for the vertical lifeline and the original steel rope winding and unwinding tensioner for the vertical lifeline, and has the effects of simplifying the system and reducing the use cost.

The utility model discloses technical scheme: the utility model provides a perpendicular wire rope for lifeline receive and releases tensioning ware, the detachable connection wire rope receive and releases overspeed device tensioner in the wire rope below of perpendicular lifeline which characterized in that, wire rope receive and release device be: the center of the hollow screw is provided with a through hole which is in clearance fit with the steel rope, the outer circle of the hollow screw is provided with an external thread, and the outer surface of the lower end of the hollow screw is provided with a rotating device; the group of chucks are detachably connected to the hollow screw, the lower end of each chuck is provided with a chuck tooth, the inner side of each chuck is an arc surface, and the outer side of each chuck is a conical surface; the taper hole at the upper end of the taper hole thread sleeve is matched with a conical surface formed by a group of chucks, the inner hole at the lower end of the taper hole thread sleeve is in threaded connection with the hollow screw rod, the outer circle of the lower end of the hollow screw rod is provided with threads matched with the steel wire rope tensioning adjusting nut, and the outer surface of the hollow screw rod is provided with a rotating device.

The structure that a group of chucks are detachably connected on the hollow screw is as follows: a group of end face teeth are uniformly distributed on the upper end face of the hollow screw, an end face tooth socket is formed between every two end face teeth, the number of the end face tooth sockets is equal to that of the chuck teeth, the chuck teeth of one group of chucks are respectively inserted into one end face tooth socket and are in clearance fit with the end face tooth sockets, circular holes in clearance fit with the steel wire rope are formed by circular arc surfaces on the inner sides of the matched group of chucks, and cones in clearance fit with taper holes of the taper hole thread sleeve are formed by the outer sides of the matched group of chucks; the number of the collets in one group is 3-5.

The taper of the taper hole at the upper end of the taper hole threaded sleeve is the same as the taper of the taper surface on the outer side of the chuck, and the taper is 1: 8-1: 16.

The rotating devices on the outer surface of the lower end of the taper hole threaded sleeve and the outer surface of the hollow screw are flat square, square head or hexagonal head at two sides.

The utility model discloses a connect in the wire rope below of perpendicular lifeline through the support, through chuck, taper hole thread bush and hollow screw combination, realize receiving and releasing, pressing from both sides tightly wire rope. The steel wire rope is tensioned through the combination of the hollow screw, the bottom support and the steel wire rope tensioning adjusting nut.

When wire rope receive and releases tensioning ware just can adjust wire rope's length when being in the relaxed state, unnecessary wire rope is worn out downwards from the hollow screw centre bore, outside arranging the bottom support in, tentatively adjusts wire rope length, rotates wire rope tensioning adjusting nut behind the tight wire rope of clamp, adjusts wire rope and receive and release tensioning ware position for the bottom support, just can realize the wire rope tensioning. The utility model discloses a press from both sides tight wire rope is at a set of terminal surface tooth of hollow screw rod up end equipartition, is the terminal surface tooth's socket between per two terminal surface teeth, is equipped with the chuck tooth at the chuck lower extreme, and the terminal surface tooth's socket is inserted respectively to each chuck tooth of a set of chuck, with terminal surface tooth's socket clearance fit, the inboard circular arc of complex a set of chuck form with wire rope clearance fit's round hole, the complex a set of chuck outside form with the interior hole complex cone of taper hole thread bush. After the installation, down along hollow screw when rotatory taper hole thread bush, the inside taper hole extrusion chuck of taper hole thread bush, the axle center motion is followed in the radial simultaneously to each chuck in groups, realizes pressing from both sides tight wire rope, and the counter-rotation taper hole thread bush for the extrusion to the chuck is relieved to the taper hole thread bush, and chuck counter-motion, wire rope can be convenient takes out from the chuck. The utility model discloses a set of chuck tooth cooperates with the terminal surface tooth's socket, and the chuck is along with rotating when can preventing rotatory taper hole thread bush. The utility model discloses during rotatory taper hole thread bush, can only radial motion for the hollow screw chuck, can not rotate, realized pressing from both sides tightly or relaxing wire rope, press from both sides tightly, relax safe and reliable, convenient operation. The utility model discloses a chuck is 3 generally a set of, and the great wire rope of diameter also can adopt 5 a set of. The utility model discloses be equipped with rotary device on taper hole thread bush and hollow screw, only need square head or hexagonal head on the rotatory taper hole thread bush, the tight or relax of realization wire rope's that just can be convenient clamp, convenient operation, labour saving and time saving, safe and reliable. Compared with the prior patent technology of the inventor, the utility model has the following characteristics: 1. the clamping head replaces the locking plunger to clamp the steel wire rope, the contact area is large, the contact stress is small when the clamping force is the same, the surface deformation of the steel wire rope can be better prevented, and the service life of the steel wire rope is prolonged. 2. Compared with the original steel wire rope winding and unwinding device and the original steel wire rope winding and unwinding device, the structure is simplified, the winding, unwinding and tensioning operations are convenient and fast, and time and labor are saved. 3. The vertical lifeline cable system has the functions of winding, unwinding and tensioning the steel wire rope, can replace the original steel wire rope winding and unwinding device and the original steel wire rope tensioning device, simplifies the system and reduces the use cost.

The utility model discloses the function integration of two parts of device and steel cable tensioning ware is released to the steel cable in the perpendicular lifeline of former original is as an organic whole, and a tractor serves several purposes has simplified the structure of perpendicular lifeline, has simplified the operation, and convenient to use, the dependable performance, running cost greatly reduced. The utility model discloses ingenious, the reasonable in design of structure, overall dimension is less, and occupation space is less, and steel wire end length needs volume is few, and the installation is installed and removed the convenience, makes wire rope end repeatedly usable, connects safe and reliable, can extensively be applicable to the perpendicular lifeline of trades high altitude construction such as building, petrochemical industry, electric power, engineering such as bridges, is a neotype wire rope who is used for perpendicular lifeline receive and releases, tensioning equipment.

Drawings

FIG. 1 is a schematic perspective view of a vertical lifeline structure of a steel cord retractor for a vertical lifeline using patent No. 201920086081.X

FIG. 2 is a schematic perspective view of a vertical lifeline structure using the steel cable take-up and pay-off device for vertical lifeline of the present invention

Figure 3 is a schematic perspective view of the installation of the utility model on the bottom support

FIG. 4 is a schematic perspective view of the steel wire rope take-up and pay-off tensioner

Figure 5 is the utility model discloses the schematic cross-sectional view of wire rope receive and releases tensioning ware structure

FIG. 6 is a perspective view of a wire rope take-up and pay-off tensioner with the taper hole thread bushing removed

FIG. 7 is a perspective view of the hollow screw of the present invention

FIG. 8 is a perspective view of a set of chucks of the present invention

FIG. 9 is a perspective view of the taper hole thread bush of the present invention

FIG. 10 is a cross-sectional view of the taper hole thread bush of the present invention

In the figure: 1 is a fixed body, 2 is a top support, 3 is a wedge rope clamp, 4 is a fall arrester, 5 is a C-shaped hook, 6 is a friction type buffer, 7 is a guide support, 8 is a steel rope winding and unwinding device, 9 is a steel rope tensioner, 10 is a steel rope, 11 is a bottom support, 12 is a steel rope winding and unwinding tensioner, 13 is a taper hole thread sleeve, 14 is a hollow screw rod, 15 is a steel rope tensioning adjusting nut, 16 is a chuck, 17 is a chuck tooth, 18 is an end face tooth, 19 is an end face tooth socket, and 20 is a rotating device.

Detailed Description

A steel wire rope take-up and pay-off tensioner for a vertical lifeline is detachably connected with a steel wire rope take-up and pay-off tensioner below a steel wire rope of the vertical lifeline, and the steel wire rope take-up and pay-off tensioner comprises: a through hole is formed in the center of the hollow screw 14, the through hole is in clearance fit with the steel wire rope 10, an external thread is arranged on the excircle of the lower end of the through hole, and a rotating device 20 is arranged on the outer surface of the lower end of the through hole; a group of chucks 16 are detachably connected to the hollow screw 14, the lower end of each chuck is provided with a chuck tooth 17, the inner side of each chuck is an arc surface, and the outer side of each chuck is a conical surface; the conical surface that taper hole threaded sleeve 13 upper end taper hole and a set of chuck are constituteed cooperatees, and taper hole threaded sleeve lower extreme internal thread hole and hollow screw threaded connection are equipped with the screw thread with wire rope tensioning adjusting nut 15 complex on the lower extreme excircle of taper hole threaded sleeve, and the surface is equipped with rotary device 20.

The structure that a group of chucks 16 are detachably connected to the hollow screw 13 is as follows: a group of end face teeth 18 are uniformly distributed on the upper end face of the hollow screw, an end face tooth socket 19 is arranged between every two end face teeth, the number of the end face tooth sockets is equal to that of the chuck teeth 17, the chuck teeth of one group of chucks are respectively inserted into one end face tooth socket and are in clearance fit with the end face tooth sockets, circular arc surfaces on the inner sides of the matched group of chucks form circular holes in clearance fit with the steel wire rope, and the outer sides of the matched group of chucks form cones in clearance fit with the taper holes of the taper hole thread sleeve; the number of the collets 16 in the group is 3-5. The taper of the taper hole at the upper end of the taper hole threaded sleeve 13 is the same as the taper of the outer side taper surface of the chuck 16, and the taper is 1: 8-1: 16. The rotating device 20 on the outer surface of the lower end of the taper hole threaded sleeve 13 and the outer surface of the hollow screw 14 is flat square, square head or hexagonal head on two sides.

The utility model discloses a structure for perpendicular lifeline is: the top support 2, the guide support 7 and the bottom support 11 are fixedly connected on the fixing body 1 such as a wall body or a ladder stand in sequence in the vertical direction, and the end part of the steel wire rope is fixed on the top support by the wedge-shaped rope clamp 3. Connect on the wire rope stopper 4 that falls, fall and go up through C shape hook 5, connect friction formula buffer 6 on the stopper, wire rope passes through direction support 7, penetrates the utility model discloses a wire rope receive and releases tensioning ware 12. Specifically, the lower section of the steel wire rope penetrates through the taper hole threaded sleeve 13 and the hollow screw 14, the chuck teeth 17 of the group of chucks 16 are inserted into the end face tooth grooves 19 of the hollow screw, then the taper hole threaded sleeve is screwed into the hollow screw, and when the taper hole threaded sleeve descends along the hollow screw, the inner taper hole of the taper hole threaded sleeve presses the chucks to clamp the steel wire rope. And redundant steel wire ropes penetrate out of the central hole of the hollow screw and are arranged outside the bottom support for later use, so that the steel wire ropes are wound and unwound. The length of the steel rope is preliminarily adjusted, the nut is rotated after the steel rope is clamped, and the position of the steel rope winding and unwinding device relative to the bottom support is adjusted, so that the steel rope can be tensioned.

Claims (4)

1. The utility model provides a perpendicular wire rope for lifeline receive and releases tensioning ware, the detachable connection wire rope receive and releases overspeed device tensioner in the wire rope below of perpendicular lifeline which characterized in that, wire rope receive and release device be: a through hole is arranged at the center of the hollow screw rod (14), the through hole is in clearance fit with the steel rope (10), an external thread is arranged on the outer circle, and a rotating device (20) is arranged on the outer surface of the lower end; a group of chucks (16) are detachably connected to the hollow screw (14), the lower end of each chuck is provided with a chuck tooth (17), the inner side of each chuck is an arc surface, and the outer side of each chuck is a conical surface; the upper end taper hole of the taper hole thread bushing (13) is matched with the conical surface formed by a group of chucks, the lower end inner hole of the taper hole thread bushing is in threaded connection with the hollow screw rod, the outer circle of the lower end of the hollow screw rod is provided with threads matched with the steel wire rope tensioning adjusting nut (15), and the outer surface of the hollow screw rod is provided with a rotating device (20).

2. The vertical lifeline take-up and pay-off tensioner as claimed in claim 1, wherein said plurality of collets (16) are removably attachable to the hollow screw (14) in a configuration that: a group of end face teeth (18) are uniformly distributed on the upper end face of the hollow screw, an end face tooth socket (19) is arranged between every two end face teeth, the number of the end face tooth sockets is equal to that of the chuck teeth (17), the chuck teeth of one group of chucks are respectively inserted into one end face tooth socket and are in clearance fit with the end face tooth sockets, circular arc surfaces on the inner sides of the matched group of chucks form circular holes in clearance fit with the steel wire rope, and the outer sides of the matched group of chucks form cones in clearance fit with the taper holes of the taper hole thread sleeve; the number of the clamping heads (16) is 3-5.

3. The tensioning device for winding and unwinding a steel wire rope for a vertical lifeline as defined in claim 1, wherein the taper of the taper hole at the upper end of the taper hole threaded sleeve (13) is the same as the taper of the outer side taper surface of the chuck (16), and the taper is 1: 8-1: 16.

4. The vertical lifeline take-up and pay-off tensioner as claimed in claim 1, wherein the rotating means (20) on the outer surface of the lower end of the tapered bore thread bush (13) and the outer surface of the hollow screw (14) are two-sided flat square, square head or hexagonal head.

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