CN219384391U

CN219384391U - Suspension type special-shaped rope end combined structure

Info

Publication number: CN219384391U
Application number: CN202320307459.0U
Authority: CN
Inventors: 张佳明; 张振兴; 文凤; 沈小红; 舒文帅
Original assignee: Gelsen Elevator Co ltd
Current assignee: Gelsen Elevator Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-07-21
Anticipated expiration: 2033-02-21

Abstract

The utility model discloses a suspension type special-shaped rope end combined structure which comprises a sheath and a hanger for suspending the sheath, and is characterized in that a steel wire rope vertically and downwards arranged is fixed in the sheath through a wedge-shaped block, a suspension shaft is arranged at the top end of the sheath, and the suspension shaft is connected to a tensioning device horizontally arranged through a reversing body; the sheath is also provided with a guide body. On the premise of ensuring the rope head combination strength and the original function, the space size is greatly reduced, the tension adjustment of the steel wire rope during new installation and maintenance of the elevator is satisfied, the space utilization rate of the machine room-less elevator is improved, and the elevator is particularly suitable for home-use elevators with limited space and the like.

Description

Suspension type special-shaped rope end combined structure

Technical Field

The utility model relates to the elevator component technology, in particular to a suspension type special-shaped rope end combined structure.

Background

When the vertical lifting elevator is used, the hoisting ropes for pulling the elevator car are generally connected through rope head combinations, and the design of the rope head combinations is related to the safety of the elevator. The deviation of the tension of the hoisting wire rope from the average value should be specified to be not more than 5% in the elevator inspection and detection regulations. If the stress of the steel wire rope is stabilized without the steel wire rope terminating device, uneven abrasion of the traction sheave by the steel wire rope can be caused, and the traction capacity of the elevator is affected. Meanwhile, the tension of the steel wire rope can be adjusted through the rope head combination, and the elevator can be ensured to work in a good traction state no matter in new installation or daily maintenance. The existing rope end combination is basically vertically arranged on the same straight line with the hanging steel wire rope: for example, the patent publication number CN108483185a, an elevator rope head assembly, which comprises a taper sleeve and a rope head pull rod, wherein a wedge block is arranged in the front part of the taper sleeve, two side plate walls of the front part of the taper sleeve are approximately wedge-shaped, and the top of the taper sleeve forms an arc top which is continuous with two side wall and is in an integral structure. As another example, the patent publication No. CN114162696a discloses an elevator rope end combination, which comprises a rope end pull rod, a buffer structure and a taper sleeve, wherein the buffer structure comprises a buffer block arranged on the rope end pull rod and a sleeve sleeved outside the buffer block, a cavity is arranged in the sleeve, a plurality of first solenoids with upward pipe openings are arranged in the buffer block, a second solenoid with upward pipe openings is arranged at the position above the corresponding first solenoids on the sleeve, and a third solenoid with upward pipe openings is arranged at the position below the corresponding first solenoids, when the first solenoids, the second solenoids and the third solenoids are electrified, the magnetic poles of the pipe openings of the first solenoids are opposite to the magnetic poles of the pipe openings of the second solenoids, and the magnetic poles of the pipe openings of the first solenoids are opposite to the magnetic poles of the pipe openings of the third solenoids, so that the traction rope is buffered in a magnetic suspension manner by electrifying the first solenoids, the second solenoids and the third solenoids. In home elevators, particularly some inclined roofs, the overhead space of the elevator hoistway is very limited, and often other components than the traction machine cannot be arranged, such as conventional rope end combinations, there are problems of interference with traction machine installation, or inability to adjust the tightness of the wire rope, etc., otherwise the height of the car needs to be reduced or the original building structure is destroyed to leave necessary installation space, which is not preferable.

Disclosure of Invention

The utility model aims to solve the problems and provide a suspended special-shaped rope head combined structure which has the characteristics of reducing the space size, conveniently adjusting the tension of a steel wire rope, being more effective in the utilization of machine room-free space and the like on the premise of ensuring the self strength of rope head combination.

The technical problems of the utility model are mainly solved by the following technical proposal: the suspension type special-shaped rope head combined structure comprises a sheath and a hanger for suspending the sheath, and is characterized in that a steel wire rope which is vertically and downwards arranged is fixed in the sheath through a wedge-shaped block, a suspension shaft is arranged at the top end of the sheath, and the suspension shaft is connected to a tensioning device which is horizontally arranged through a reversing body; the sheath is also provided with a guide body.

In the foregoing suspension type special-shaped rope end combination structure, preferably, the reversing body includes a reversing rope connected with the suspension shaft, and a reversing wheel positioned above the sheath, and the reversing rope is connected with the tensioning device arranged horizontally through the reversing wheel.

In the aforementioned suspension type special-shaped rope end combination structure, preferably, the sheath is a symmetrical body with a perpendicular intersecting with the center line of the suspension shaft as a symmetrical center line, and the wedge blocks are symmetrically arranged with the symmetrical center line.

In the foregoing suspension type special-shaped rope end combination structure, preferably, the wedge block is a reverse cone with a large upper part and a small lower part, the top is an arc surface, the single-strand steel wire rope bypasses the arc surface at the top of the wedge block, and is fixed by the steel wire rope buckle after being combined below the sheath.

In the aforementioned suspension type special-shaped rope end combination structure, preferably, the guiding body provided on the sheath is matched with the longitudinal guide rail provided in the hanger.

In the aforementioned suspension type special-shaped rope end combined structure, preferably, the tensioning device is arranged in the interior or on the upper surface of the hanger.

In the foregoing suspension type special-shaped rope end combination structure, preferably, the tensioning device includes two supporting blocks fixed on the hanger, a pull rod is arranged to pass through the two supporting blocks, and a spring is arranged on the pull rod between the two supporting blocks; one end of a pull rod extending out of the two support blocks is connected with the reversing body, and the other end of the pull rod is provided with a tightening nut.

In the aforementioned suspension type special-shaped rope end combination structure, preferably, the guide body provided on the sheath is two end portions of the suspension shaft.

In the foregoing suspension type special-shaped rope end combination structure, preferably, the bottom of the wedge block extends out of the bottom end of the sheath, and a retaining pin is arranged on the wedge block of the extending portion.

The technical scheme aims at the problems that the top space of an elevator shaft cannot be expanded, but a traction main machine serving as a power source cannot change the size and the arrangement form, and the rope head combination is specially designed. With the hanger as a supporting point, all parts of the rope head combination do not exceed the hanger or are basically flush with the top of the hanger, so that the space above the hanger is completely reserved for the necessary arrangement of the traction machine and the like. The rope head combination takes the sheath as an upper connector and a lower connector, is positioned in the hanging bracket through the hanging shaft at the top end of the rope head combination, and is fixed by the sheath and the embedded wedge block to form a steel wire rope which is vertically and downwards arranged.

On the basis of ensuring that the rope head combination has enough connection strength to the steel wire rope, a tensioning device which is horizontally arranged is designed, and the tensioning device is used for adjusting the tension of the steel wire rope by utilizing the height of the hanging frame and the limited space in the horizontal direction.

The rope head combination is connected to the tensioning device which is horizontally arranged through the reversing body, the reversing body in the device is provided with a reversing rope connected with the suspension shaft and a reversing wheel positioned above the sheath, and the device is simple in structure, convenient to install and natural in adjusting operation.

The sheath is used as a main body of the vertical suspension steel wire rope, and a guide body is arranged on the sheath in order to meet the tension adjustment of the tensioning device and the traction and guide of the sheath to the steel wire rope in the adjustment process. The guide body is matched with a longitudinal guide rail in the hanging bracket, so that the stability of the hanger in the effective length adjusting range is ensured. In this solution, the guide body on the sheath is only a part of the two ends of the suspension shaft, and no additional components are needed.

The sheath and the wedge block in the device are symmetrical bodies, and the vertical line intersecting with the central line of the suspension shaft is taken as a symmetrical central line, so that the natural vertical of the suspension steel wire rope can be ensured, and the original technical installation requirement of rope head combination can be met.

According to the scheme, the tensioning device can be arranged in the hanging frame or on the upper surface according to the actual working condition, and the tension adjusting operation space is only required to be met.

Compared with the prior art, the utility model has the beneficial effects that: on the premise of ensuring the rope head combination strength and the original function, the space size is greatly reduced, the tension adjustment of the steel wire rope during new installation and maintenance of the elevator is satisfied, the space utilization rate of the machine room-less elevator is improved, and the elevator is particularly suitable for home-use elevators with limited space and the like.

Drawings

Fig. 1 is a schematic view of a structure of the present utility model.

Fig. 2 is a schematic diagram of a wedge block and steel wire rope matching state structure of the utility model.

Fig. 3 is a view of the sheath portion a of fig. 1.

Fig. 4 is a schematic view of a partially enlarged structure at M in fig. 1.

Fig. 5 is a schematic structural view of an application embodiment of the present utility model.

Fig. 6 is a partially enlarged schematic view of the rope hitch assembly of fig. 5.

In the figure: 1. the cable comprises a sheath, a steel cable fastener, a wedge block, a suspension shaft, a retaining pin, a hanging bracket, a traction machine, a longitudinal guide rail, a reversing wheel and a tensioning device.

Detailed Description

The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.

In the suspension type special-shaped rope end combined structure, as shown in fig. 1 to 3, a sheath 1 is arranged, a transverse suspension shaft 5 is arranged at the top end of the sheath 1, the sheath 1 is formed by connecting two parallel plates, the upper half part is connected by the suspension shaft 5, the lower half part is a flat conical accommodating space with four sides being sealed, and the flat conical accommodating space is used for assembling a wedge block 4 and a steel wire rope 2 compressed by the wedge block 4. The sheath 1 is a symmetrical body taking a vertical line crossing the central line of the suspension shaft 5 as a symmetrical central line; the wedge-shaped block 4 is an inverted cone with a large upper part and a small lower part, the top is an arc surface, the wedge-shaped block 4 is symmetrically arranged in the flat cone-shaped accommodating space by a symmetrical center line, and the structure can ensure that the steel wire rope 2 is in a vertical shape when being pulled down.

The sheath 1 is provided with guides which are part of the two ends of the suspension shaft 5. The guide body is fitted with a longitudinal rail 9 provided in the hanger 7, and referring to fig. 6, the longitudinal rail 9 is of a channel steel structure having a channel width in clearance fit with the diameter of both end portions of the suspension shaft 5. When in use, butter is coated in the groove of the longitudinal guide rail 9.

When the wedge-shaped block 4 and the steel wire rope 2 are installed, after bypassing the cambered surface at the top of the wedge-shaped block 4, the single-strand steel wire rope 2 is combined below the sheath 1 and then fixed by the steel wire rope buckle 3, and is naturally hung. And the bottom of the wedge-shaped block 4 extends out of a small part of the bottom end of the sheath 1, a small hole is formed in the small part, a retaining pin 6 is arranged in the small hole, and the retaining pin 6 is used for tightening after the wedge-shaped block 4 fastens the steel wire rope 2, as shown in fig. 4.

The suspension shaft 5 is connected to a horizontally arranged tensioning device 11 via a reversing body, which consists of a reversing rope connected to one end of the suspension shaft 5 and a reversing wheel 10, which reversing wheel 10 is fixed above the jacket 1 by means of a hanger 7. The diverting rope is then fastened around the diverting pulley 10 with a horizontally arranged tensioning device 11.

The tensioning device 11 comprises two support blocks fixed on the hanger 7, and referring again to fig. 6, a pull rod is arranged to pass through the two support blocks, and a spring is arranged on the pull rod between the two support blocks; one end of the pull rod is provided with a reversing rope fixer, and the range section (filling: adding allowance) of the pull rod for adjusting the tension length of the steel wire rope is processed into a T-shaped screw rod, and tension adjustment is carried out by the T-shaped screw rod and a tightening nut.

In practical applications, whether the tensioning device 11 is disposed inside the hanger 7 or on the upper surface of the hanger 7 may be selected according to specific conditions, the size of the hoistway top space, the ease of installation, etc. A protective cover can be added above the reversing wheel 10 and the tensioning device 11.

One embodiment is shown in fig. 5, where the hanger 7 is both the base member from which the jacket 1 is suspended and the base on which the hoisting machine 8 and other auxiliaries are mounted. At this time, the tensioning device 11 is fixed by the base channel steel, the principle is that the assembly and tension adjustment are convenient, the suspension type special-shaped rope head combination is tightly attached to the bottom surface of the base channel steel and positioned, and the height of the base channel steel and the transverse space of the base can be utilized as the travel of tension adjustment.

The foregoing embodiments are illustrative of the present utility model, and not intended to be limiting, and any simple structure or the like of the present utility model without departing from the principles of the present utility model is within the scope of the present utility model.

Claims

1. The suspension type special-shaped rope end combined structure comprises a sheath (1) and a hanger (7) for suspending the sheath, and is characterized in that a steel wire rope (2) which is vertically and downwards arranged is fixed in the sheath through a wedge block (4), a suspension shaft (5) is arranged at the top end of the sheath, and the suspension shaft is connected to a tensioning device (11) which is horizontally arranged through a reversing body; the sheath is also provided with a guide body.

2. A suspended profiled rope end combination according to claim 1, characterized in that the reversing body comprises a reversing rope connected to the suspension shaft (5) and a reversing wheel (10) positioned above the jacket, via which the reversing rope is connected to a horizontally arranged tensioning device (11).

3. A suspended profiled rope end combining structure according to claim 1, characterized in that the sheath (1) is a symmetrical body with a vertical line intersecting the centre line of the suspension shaft (5) as a centre line of symmetry, with which the wedge blocks (4) are symmetrically arranged.

4. The suspended special-shaped rope end combined structure according to claim 1, wherein the wedge-shaped block (4) is a reverse cone with a large upper part and a small lower part, the top is an arc surface, the single-strand steel wire rope (2) bypasses the arc surface at the top of the wedge-shaped block, and is fixed by the steel wire rope buckle (3) after being combined below the sheath (1).

5. A suspended profiled rope end combining structure according to claim 1, characterized in that the guiding body provided by the sheath (1) cooperates with a longitudinal guide rail (9) provided in the hanger (7).

6. A suspended profiled rope end combining structure according to claim 1 or 5, characterized in that the tensioning device (11) is arranged in the interior or on the upper surface of the hanger (7).

7. A suspended profiled rope end combining structure according to claim 1 or 2, characterized in that the tensioning device (11) comprises two support blocks fixed on the hanger (7), a pull rod is arranged to pass through the two support blocks, and a spring is arranged on the pull rod between the two support blocks; one end of a pull rod extending out of the two support blocks is connected with the reversing body, and the other end of the pull rod is provided with a tightening nut.

8. A suspended profiled rope end combining structure according to claim 1 or 5, characterized in that the guiding bodies provided on the sheath are the two end parts of the suspension shaft (5).

9. A suspended profiled rope end combining structure according to claim 1, 3 or 4, characterized in that the bottom of the wedge block (4) extends out of the bottom end of the sheath (1) and a stop pin (6) is arranged on the wedge block of the extending part.