CN214569909U - Cable breakage protection device for winch type elevator - Google Patents

Cable breakage protection device for winch type elevator Download PDF

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Publication number
CN214569909U
CN214569909U CN202120021731.XU CN202120021731U CN214569909U CN 214569909 U CN214569909 U CN 214569909U CN 202120021731 U CN202120021731 U CN 202120021731U CN 214569909 U CN214569909 U CN 214569909U
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protection device
hook
rope
type elevator
elevator
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CN202120021731.XU
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林永钦
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林永钦
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Abstract

The utility model discloses a cable breaking protection device of a winch type elevator, which comprises a guide rail; the stop blocks are vertically arranged on the guide rail; the lifting platform is arranged between the guide rails in a lifting manner, a bearing steel wire rope is connected to the lifting platform, and the lifting platform is suspended in a balanced manner through the bearing steel wire rope; the upright post is arranged on the lifting platform; the hammer hook is arranged on the stand column, the hammer hook is in an inverted L shape and consists of a hook head and a lower hem, the lower hem is rotatably arranged on the stand column through a pin, and the hammer hook is arranged in a way that the hook head extends out of the collision stop block after the hammer hook rotates; one end of the traction rope is connected with the bearing steel wire rope, and the other end of the traction rope is connected with the hook head; and the trigger spring is arranged between the upright post and the lower hem and used for pushing the hammer hook to rotate so as to enable the hook head to extend out. The cable breakage protection device for the hoisting type elevator is simple in structure, stable and reliable, can be matched with a balanced hoisting type household elevator, protects a bearing steel wire rope from cable breakage risks, and improves the safety of the hoisting type elevator.

Description

Cable breakage protection device for winch type elevator
Technical Field
The utility model relates to a vertical lift's elevator field, in particular to hoist formula elevator cable breakage protection device.
Background
The vertical elevator is a mature and widely applied civil product and has a history of hundreds of years. From the installation site, vertical elevators are typically installed in commercial squares, high-rise buildings and some villas. The vertical elevator installed in the villa mostly belongs to a home elevator, and compared with a public elevator installed in a commercial square or a high-rise building, the home elevator has the following characteristics and requirements:
fewer landings and low lifting height;
the acceleration rate is low, generally lower than 0.4 m/s;
the installation area is small, and the requirement on the area utilization rate is high;
the requirement that pit depth and top buffer height be as small as possible;
easy rescue in case of failure;
low cost and easy maintenance.
The current product forms for the household elevator are mainly as follows:
1. standard traction type elevator
The elevator is a mainstream general elevator product, has high speed, large load and good running performance, but has the defects of large building space requirement, low area utilization rate, high cost, large equipment maintenance amount and the like.
2. Screw type elevator
By applying the nut-screw principle, the motor drives the nut or the screw structure, so that the platform fixed on the nut is dragged to lift. Its advantages are high utilization rate of space, simple structure, low cost, easy maintenance and high safety. The defects are that the load is low, the noise is high, the speed is very low, the length of the screw rod needs to be customized, and the field construction is not easy.
3. Hydraulic elevator
The load lifting is realized by the linear motion of the hydraulic oil cylinder by applying a hydraulic principle. Its advantages are high load weight, high stability and safety coefficient, and special design of cage. The defects are high cost, high energy consumption, large pit, small lifting height and large maintenance amount. This form has been largely eliminated.
4. Traditional hoist type elevator
Elevator implemented using the principle of a hoisting machine. A hoist drags the crossbeam of load platform, realizes the lift function, and this is the elevator of the simplest principle. Its advantages are simple structure, low cost, high utilization rate of space and easy construction. The disadvantages are poor safety, need of additional auxiliary safety equipment, easy occurrence of vibration and noise caused by transverse swing, and relatively low speed.
The above-mentioned standard traction type elevator, screw type elevator, hydraulic elevator and conventional hoist type elevator have some limitations as a home elevator. Based on the situation, the applicant of the patent improves the hoisting elevator, and in order to improve the safety of the hoisting elevator, a cable breaking protection device is additionally arranged.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a hoist formula elevator protection device that cuts off cable, simple structure, reliable and stable can promote hoist formula elevator's security.
According to the utility model discloses a hoist formula elevator cable breakage protection device of first aspect embodiment, include: the guide rails are provided with at least two guide rails; the plurality of the stop blocks are arranged and vertically arranged on the guide rail; the lifting platform is arranged between the guide rails in a lifting manner, a bearing steel wire rope is connected to the lifting platform, and the lifting platform is suspended in a balanced manner through the bearing steel wire rope; the upright post is arranged on the lifting platform, and the bearing steel wire rope penetrates through the upright post; the hammer hook is arranged on the stand column, the hammer hook is of an inverted L shape consisting of a hook head and a lower hem, the lower hem is rotatably arranged on the stand column through a pin, and the hook head extends out to collide with the stop block after the hammer hook rotates; one end of the traction rope is connected with the bearing steel wire rope, and the other end of the traction rope is connected with the hook head; and the trigger spring is arranged between the upright post and the lower hem and used for pushing the hammer hook to rotate so as to enable the hook head to extend out.
According to the utility model discloses hoist formula elevator cable breakage protection device of first aspect embodiment has following beneficial effect at least: this embodiment is provided with the dog on the guide rail, be provided with the hammer hook on the elevating platform, the gib head of hammer hook passes through the haulage rope and connects bearing wire rope, hammer hook lower hem is provided with trigger spring, when the elevator normal use, provide the pulling force by bearing wire rope and make the hammer hook keep the state of inwards returning back, avoid hindering the elevating platform and move from top to bottom, when the disconnected cable condition appears in the elevator, the pulling force that bearing wire rope provided disappears, the hammer hook rotates under trigger spring effect, the gib head is outwards stretched out, touch the dog on the guide rail and prevent falling of elevating platform. The cable breakage protection device for the hoisting type elevator is simple in structure, stable and reliable, can be matched with a balanced hoisting type household elevator, protects a bearing steel wire rope from cable breakage risks, and improves the safety of the hoisting type elevator.
According to the utility model discloses the first aspect a hoist formula elevator protection device that cuts off cable still include fag end fixing device, bearing wire rope passes the one end of stand is connected fag end fixing device. The rope end fixing device can prevent the bearing steel wire rope from falling off from the upright post, so that the connection of the bearing steel wire rope is more reliable.
According to the utility model discloses the first aspect a hoist formula elevator protection device that cuts off cable, rope fastening device top is provided with rubber buffer pad. Cushion rubber pad provides certain cushioning effect, avoids the rigid collision at fag end fixing device and stand top, protects fag end fixing device, improves life.
According to the utility model discloses the first aspect a hoist formula elevator protection device that cuts off cable, the haulage rope passes through fag end fixing device connects bearing wire rope. The rope end fixing device can be designed into a structure convenient for connection, so that the connection of the traction rope is more convenient and reliable.
According to the utility model discloses the first aspect a hoist formula elevator cable protection device that breaks, be provided with on the elevating platform with guide rail matched with direction subassembly. The guide assembly is matched with the guide rail, so that limiting guide is provided when the elevator operates normally, and the stability of elevator operation is improved. Further, the guide assembly is a nylon guide assembly.
According to the utility model discloses the first aspect a hoist formula elevator cable protection device that breaks, the dog is metalwork or working of plastics, the production of being convenient for.
According to the utility model discloses the first aspect a hoist formula elevator protection device that restricts absolutely, the upper surface of dog sets up to the inclined plane, one side that the dog upper surface is close to the well is the high side, increases the degree of dog and gib head interlock.
According to the utility model discloses the first aspect a hoist formula elevator protection device that breaks cable, hammer the hook or be provided with electrical linkage switch on the haulage rope. When the cable of the elevator is broken, the power of the elevator is cut off immediately, and when the cable breaking protection device is triggered, an electric loop of the power of the elevator can be cut off through the electric linkage switch on the hammer hook or the traction rope, so that the electric safety protection is realized.
According to the utility model discloses the first aspect a hoist formula elevator protection device that cuts off cable, be provided with electrical linkage switch on the fag end fixing device. When the cable of the elevator is broken, the power of the elevator is cut off immediately, and when the cable breaking protection device is triggered, an electric loop of the power of the elevator can be cut off through the electric linkage switch on the rope head fixing device, so that electric safety protection is realized.
Additional aspects and advantages 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
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a cable breakage protection device for a hoisting elevator provided by the utility model;
fig. 2 is a schematic structural view of a winch type elevator cable breakage protection device in fig. 1 in an elevator cable breakage state.
The reference numbers illustrate:
the lifting device comprises a guide rail 100, a stop block 110, a lifting platform 200, a stand column 210, a guide assembly 220, a bearing steel wire rope 300, a rope end fixing device 310, a buffer rubber pad 320, a traction rope 400, a hammer hook 500, a hook head 510, a lower hem 520, a pin 530 and a trigger spring 600.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, and a plurality of means are two or more. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, the present invention provides a preferred embodiment including a guide rail 100 and an elevating platform 200. The guide rails 200 are provided with at least two, preferably four, guide rails 200, and the guide rails 200 are arranged opposite to each other two by two. The elevating platform 200 is disposed between the guide rails 100, the elevating platform 200 is connected with the load-bearing wire ropes 300, and the elevating platform 200 is suspended in balance by the plurality of load-bearing wire ropes 300 and can be elevated between the guide rails 100.
Specifically, the lifting platform 200 is provided with a plurality of columns 210, and the bearing steel wire rope 300 passes through the tops of the columns 210 and is connected with a rope head fixing device 310. The rope end fixing device 310 can prevent the bearing steel wire rope 300 from falling off, so that the connection of the bearing steel wire rope 300 is more reliable. Further, a cushion rubber pad 320 is disposed between the top of the upright column 210 and the rope end fixing device 310. The cushion rubber pad 320 provides a certain cushioning effect, avoids the hard collision between the rope end fixing device 310 and the top of the upright column 210, protects the rope end fixing device 310, and prolongs the service life.
The upright post 210 is provided with a hammer hook 500, and as shown in fig. 1, the hammer hook 500 is formed into an inverted L shape by a hook head 510 and a lower hem 520. The lower hem 520 of the hammer hook 500 is rotatably provided on the upright 210 by a pin 530, and a trigger spring 600 is provided between the lower hem 520 of the hammer hook 500 and the upright 210, the trigger spring 600 being used to push the hammer hook 500 to rotate. The hook head 510 of the hammer hook 500 is connected with the pulling rope 400, and the other end of the pulling rope 400 is connected with the rope head fixing device 310. When the elevator is in a normal state, the traction rope 400 transmits the tensile force of the load-bearing steel wire rope 300 to the hammer hook 500, so that the hammer hook 500 is kept in an inward retraction state, as shown in fig. 1; when the cable of the elevator is broken, the tension provided by the load-bearing steel wire rope 300 disappears, the hammer hook 500 rotates under the action of the trigger spring 600, and the hook head 510 extends outwards, as shown in fig. 2.
The guide rail 100 is also provided with a plurality of vertically arranged stop blocks 110, the stop blocks 110 are fixed on the guide rail 100 at certain intervals, the stop blocks 110 are matched with the hammer hook 500, and the hammer hook 500 extends out of the rear collision stop blocks 110 to prevent the elevator from continuously sliding downwards.
It is contemplated that the stops 110 are metal or plastic, and the spacing of the stops 110 may be considered as a function of elevator operating speed requirements, safety assessments, cost, etc., with smaller spacing near the ground and larger spacing for higher elevations. If the elevator is out of cable with a high velocity inertia, the stop 110 is allowed to break to mitigate the impact.
Further, in this embodiment, the upper surface of the stopper 110 is preferably set to be an inclined surface, and one side of the upper surface of the stopper 110 close to the hoistway is a high side, so as to increase the degree of engagement between the stopper 110 and the hook head 510, and avoid the phenomenon that the hammer hook 500 slides down after colliding with the stopper 110.
The working process of the winch type elevator cable breakage protection device of the embodiment is as follows: referring to fig. 1, when the elevator is normally used, a hammer hook 500 is kept in an inward-retracted state by a tensile force provided by a load-bearing steel wire rope 300, so that the up-and-down operation of a lifting platform 200 is prevented from being hindered; referring to fig. 2, when the cable of the elevator is broken, the load-bearing wire rope 300 is disconnected, the elevator platform 200 drops, the tension provided by the load-bearing wire rope 300 disappears, the hammer hook 500 rotates under the action of the trigger spring 600, the hook head 510 extends out, and the hook head 510 collides with the stopper 110 on the guide rail 100 to prevent the elevator platform 200 from falling. The cable breakage protection device for the hoisting type elevator is simple in structure, stable and reliable, can be matched with a balanced hoisting type household elevator, protects the bearing steel wire rope 300 from cable breakage risks, and improves the safety of the hoisting type elevator.
Furthermore, an electric linkage switch can be further arranged on the hammer hook 500, the traction rope 400 or the rope end fixing device 310, when the cable of the elevator is broken, the power of the elevator is cut off immediately, and when the cable breaking protection device is triggered, an electric loop of the power of the elevator can be cut off through the electric linkage switch on the hammer hook 500, the traction rope 400 or the rope end fixing device 310, so that electric safety protection is synchronously realized.
Further, the lifting platform 200 is provided with a guide assembly 220 engaged with the guide rail 100. The guide assembly 220 is matched with the guide rail 100 to provide limiting guide in normal operation of the elevator, so that the operation stability of the elevator is improved. Preferably, the guide member 220 is a nylon guide member.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The utility model provides a hoist formula elevator protection device that breaks, its characterized in that includes:
the guide rails are provided with at least two guide rails;
the plurality of the stop blocks are arranged and vertically arranged on the guide rail;
the lifting platform is arranged between the guide rails in a lifting manner, a bearing steel wire rope is connected to the lifting platform, and the lifting platform is suspended in a balanced manner through the bearing steel wire rope;
the upright post is arranged on the lifting platform, and the bearing steel wire rope penetrates through the upright post;
the hammer hook is arranged on the stand column, the hammer hook is of an inverted L shape consisting of a hook head and a lower hem, the lower hem is rotatably arranged on the stand column through a pin, and the hook head extends out to collide with the stop block after the hammer hook rotates;
one end of the traction rope is connected with the bearing steel wire rope, and the other end of the traction rope is connected with the hook head;
and the trigger spring is arranged between the upright post and the lower hem and used for pushing the hammer hook to rotate so as to enable the hook head to extend out.
2. The hoisting type elevator cable breakage protection device as claimed in claim 1, further comprising a rope end fixing device, wherein the bearing steel wire rope penetrates through one end of the column to be connected with the rope end fixing device.
3. The hoisting type elevator cable breakage protection device as claimed in claim 2, wherein a cushion rubber pad is disposed above the rope end fixing device.
4. The hoisting type elevator cable breakage protection device as claimed in claim 2 or 3, wherein the traction rope is connected to the load-bearing wire rope by the rope end fixing device.
5. The hoisting type elevator cable breakage protection device as claimed in claim 1, wherein a guide assembly is provided on the elevating platform to be engaged with the guide rail.
6. The hoisting type elevator cable breakage protection device as claimed in claim 5, wherein the guide member is a nylon guide member.
7. The hoisting type elevator cable breakage protection device as claimed in claim 1, wherein the stopper is made of metal or plastic.
8. The hoisting type elevator cable breakage protection device as claimed in claim 7, wherein the upper surface of the stopper is a slope, and the side of the upper surface of the stopper close to the hoistway is a high side.
9. The hoisting type elevator cable breakage protection device as claimed in claim 1, wherein an electrical linked switch is provided on the hammer hook or the traction rope.
10. The hoisting type elevator cable breakage protection device as claimed in claim 2, wherein the rope end fixing device is provided with an electric linkage switch.
CN202120021731.XU 2021-01-05 2021-01-05 Cable breakage protection device for winch type elevator Active CN214569909U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120021731.XU CN214569909U (en) 2021-01-05 2021-01-05 Cable breakage protection device for winch type elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120021731.XU CN214569909U (en) 2021-01-05 2021-01-05 Cable breakage protection device for winch type elevator

Publications (1)

Publication Number Publication Date
CN214569909U true CN214569909U (en) 2021-11-02

Family

ID=78345201

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120021731.XU Active CN214569909U (en) 2021-01-05 2021-01-05 Cable breakage protection device for winch type elevator

Country Status (1)

Country Link
CN (1) CN214569909U (en)

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