CN217902745U - Elevator trailing cable tight guider that rises - Google Patents

Abstract

The utility model discloses an elevator retinue cable rises and tightly leads device, its gyro wheel that originally provides can restrict retinue cable traffic route to reduce retinue cable turning radius, avoid in its and the elevator well other parts bump and produce abnormal sound and destroyed risk. An elevator trailing cable tensioning and guiding device comprises a trailing cable arranged in a hoistway, and also comprises a roller for tensioning; two side edges of the roller extend outwards and are folded to form a roller groove; the middle of the roller is provided with a wheel shaft; the traveling cable is sleeved with a winding wheel groove to form self-weight traction; also comprises a release-preventing part; the anti-disengaging piece is bent and is the U-shaped, and the anti-disengaging piece includes first limiting plate, and the both sides of first limiting plate extend to bend and form first connecting plate, and first limiting plate spanes the race, and two first connecting plates are connected fixedly with shaft both ends respectively.

Description

Elevator trailing cable tight guider that rises

Technical Field

The utility model belongs to the technical field of the elevator, specifically speaking relates to an elevator retinue cable rises and tightly leads device.

Background

The bottom of an elevator car arranged in the shaft is connected with the bottom of a traveling cable, and the traveling cable is connected with a controller; the traveling cable is used as a main component for signal transmission in the running process of the elevator and plays a vital role in the running process of the elevator; the physical characteristics of the elevator trailing cable determine that the elevator trailing cable has a natural bending radius, the running space of the trailing cable is continuously compressed along with the continuous improvement of the requirement on the utilization rate of the hoistway space of the development of the elevator, the bending radius of the elevator trailing cable is compressed to the utmost extent at present, the moving space of the trailing cable is lower than the bending radius of the trailing cable, and the moving space of the trailing cable is too small, so that the trailing cable can incline, shift and the like in the moving process along with the elevator; because the retinue cable need move from top to bottom along with the elevator, it has certain mobility of shaking in the motion process to cause the retinue cable to strike other parts easily and take place the abnormal sound in the elevator motion process, influence the comfort of taking, even more the retinue cable can hang other elevator well parts and lead to the retinue cable to be torn, and then cause dangers such as elevator outage loss of contact.

At present, most of the measures taken by the traveling cables in the domestic elevator industry are to fix the traveling cables, which cannot move along with an elevator car, in the upper half section of a shaft onto the wall of the shaft, so that the swaying performance of the traveling cables is reduced as much as possible, but the scheme cannot completely avoid swaying of the traveling cables, and still has the risk of colliding other parts or hanging other parts.

Disclosure of Invention

In view of the shortcoming of above background art, the utility model aims at providing an elevator retinue cable rises and tightly leads device, its gyro wheel that originally provides can restrict retinue cable traffic route to reduce retinue cable turning radius, avoid it and other parts to collide in the elevator well and produce abnormal sound and destroyed risk.

In order to solve the technical problem, the purpose of the utility model is to realize like this:

an elevator trailing cable tensioning guide device comprises a trailing cable arranged in a hoistway and a roller for tensioning; two side edges of the roller extend outwards and are folded to form a roller groove; the middle of the roller is provided with a wheel shaft;

the traveling cable is sleeved with the winding wheel groove to form self-weight traction;

also comprises a release-preventing part; the anti-disengaging piece is bent and is the U-shaped, and the anti-disengaging piece includes first limiting plate, and the both sides of first limiting plate extend to bend and form first connecting plate, and first limiting plate spanes the race, and two first connecting plates are connected fixedly with shaft both ends respectively.

On the basis of the above scheme and as a preferable scheme of the scheme: the device also comprises an upper fixing piece and a lower fixing piece; the upper fixing piece comprises an upper fixing plate, and an upper mounting hole is formed in the upper fixing plate; the top edge of the upper fixing plate extends and bends to form an upper limiting plate, and the upper limiting plate is provided with an upper through hole; the outer side edge of the upper limiting plate extends and bends to form an upper connecting plate;

the lower fixing piece comprises a lower fixing plate, and a lower mounting hole is formed in the lower fixing plate; the edge of the lower fixing plate extends and bends to form a lower connecting plate;

two steel wires are connected between the upper connecting plate and the lower connecting plate; the traveling cable passes through the upper through hole of the upper limiting plate; the roller is clamped between the two steel wires to form a limiting position.

On the basis of the above scheme and as a preferable scheme of the scheme: the device also comprises a guide bracket; the guide support comprises a second limiting plate, two sides of the second limiting plate extend and bend to form second connecting plates, and two second connecting plates are respectively provided with a first positioning hole which is opposite to the first positioning hole; the second limiting plate is fixed on the outer surface of the roller;

a sliding sleeve is inserted between the two second connecting plates, the sliding sleeve is hollow inside, a first clamping groove in the shape of an annular concave surface is formed in the upper portion and the lower portion of the sliding sleeve, the sliding sleeve penetrates through a first positioning hole, the clamping spring is embedded into the first clamping groove to be fixed, and the steel wire penetrates through the inside of the sliding sleeve.

On the basis of the above scheme and as a preferable scheme of the scheme: the upper connecting plate is provided with an upper connecting hole; the upper connecting hole is riveted with an H-shaped hanging block;

a lower connecting hole is formed in the lower connecting plate, and the lower connecting hole penetrates through the pin shaft to be connected with a U-shaped hanging block; two ends of the steel wire respectively penetrate through the H-shaped hanging block and the U-shaped hanging block to be fixed.

On the basis of the above scheme and as a preferable scheme of the scheme: and both side surfaces of the upper fixing piece are connected with reinforcing plates.

Compared with the prior art, the utility model has the advantages that:

compared with the prior art, the elevator travelling cable tensioning guide device comprises the roller, the travelling cable is sleeved on the roller, the travelling cable is limited to run in the wheel groove by the wheel groove structure on the roller, and the travelling cable is tensioned and the free bending radius of the travelling cable is reduced by the self weight of the roller; in the operation process, other parts except the bending part cannot shake;

the anti-falling piece prevents the trailing cable from falling out of the wheel groove of the roller wheel in the running process;

the steel wire (rope)/profile rail is vertically fixed in the shaft through an upper fixing piece and a lower fixing piece in the shaft; the whole roller running area is fixed on a steel wire (rope)/profile rail through a sliding sleeve/sliding chute, so that the roller is ensured not to shake in the running process, and the moving area of the traveling cable is further limited;

meanwhile, the relative position of the steel wire (rope)/section rail and the axle center of the roller can be changed through the change of the length of the guide bracket, the guide surface of the roller can be deviated from the central surface of the roller, and the space can be further saved. The roller and the traveling cable can be hidden under the car upright post cross beam, so that the space occupied by the traveling cable is further reduced;

drawings

Fig. 1 is a schematic view of the overall installation structure of the present invention.

Fig. 2 is a partially enlarged structural diagram of a in fig. 1.

Fig. 3 is a schematic view of the overall structure of the present invention.

Fig. 4 is a schematic view of a part B of fig. 3.

Fig. 5 is a schematic diagram of a hoistway overhead structure according to the present invention.

Fig. 6 is a schematic cross-sectional structure of fig. 5.

Fig. 7 is a schematic view of a part C of fig. 6 in an enlarged structure.

Fig. 8 is a schematic view of the pipe sleeve structure of the present invention.

Reference numerals: a hoistway 01; a traveling cable 02; a roller 03; a wheel groove 030; an axle 031; a release prevention member 04; the first limit plate 040; a first connection plate 041; an upper fixture 05; an upper fixing plate 050; upper mounting holes 0500; an upper limiting plate 051; perforating 0510; an upper connecting plate 052; a stiffener 053; lower fixing member 06 lower fixing plate 060; lower mounting holes 0600; a lower connection plate 061; a steel wire 07; a guide bracket 08; a second limit plate 080; a second connecting plate 081; a sliding sleeve 09; a first clamp groove 090; a clamp spring 10; an H-shaped hanging block 11; a U-shaped hanging block 12;

Detailed Description

The present invention will be further described with reference to the following drawings in specific embodiments;

the embodiment provides a tensioning guide device for an elevator traveling cable 02, which comprises the traveling cable 02 arranged in a hoistway 01; the traveling cable 02 is a flat cable or a round cable; the present embodiment is a flat cable; the device also comprises a roller 03 for tensioning; the roller 03 can be a metal solid roller 03, and can also be made of other materials such as plastic nylon and the like; two side edges of the roller 03 are folded outwards to form a roller groove 030, namely two side edges of the roller 03 protrude to form a ring groove shape; the width and the depth of the wheel groove 030 are matched with those of the travelling cable 02; the middle of the roller 03 is provided with a wheel shaft 031; the wheel shaft 031 penetrates through the two sides of the roller 03;

the traveling cable 02 is sleeved with the winding wheel groove 030 to form self-weight traction; the self weight of the roller 03 pulls the trailing cable 02 downwards to achieve the tensioning effect; the problem that the traveling cable 02 swings randomly is solved;

also comprises a release-preventing part 04; the anti-falling part 04 is bent to be U-shaped, the anti-falling part 04 comprises a first limiting plate 040, and two sides of the first limiting plate 040 extend and are bent to form a first connecting plate 041; the anti-falling part 04 is integrally formed, and the anti-falling part 04 can be formed by processing a metal plate through a gold bar or is formed by adopting a plastic material; the first limiting plate 040 spans the wheel groove 030, and the two first connecting plates 041 are respectively connected and fixed with two ends of the wheel axle 031. The first connecting plate 041 is welded and fixed with the wheel shaft 031, or the wheel shaft 031 is provided with external threads, and the first connecting plate 041 is penetrated by a screw nut to be fixed;

as described above, in the specific installation process, the trailing cable 02 is sleeved on the roller 03, the roller 03 is weighted to tension the trailing cable 02, the two first connecting plates 041 of the anti-slip member 04 are connected to the wheel axle 031, and the trailing cable 02 is blocked by the first limiting plate 040. Therefore, the traveling cable 02 is in a tensioning and straightening state due to the self-weight of the roller 03 in the lifting process;

the self physical characteristics of the trailing cable 02 are changed through the self weight of the roller 03 on the trailing cable 02, so that the natural bending radius of the trailing cable 02 is reduced from the conventional minimum 125mm to a value which is the same as the radius of the roller 03, and theoretically, the natural bending radius can be reduced to the limit, but in order to ensure the service life of the trailing cable 02, the radius is generally controlled to be about 50 mm.

Further, an upper fixing piece 05 and a lower fixing piece 06 are also included; the upper fixing piece 05 and the lower fixing piece 06 are integrally formed by metal plates to ensure the strength; the upper fixing piece 05 comprises an upper fixing plate 050, and an upper mounting hole 0500 is formed in the upper fixing plate 050; the upper mounting hole 0500 is fixed on the wall of the hoistway 01 through a bolt; the top edge of the upper fixing plate 050 extends and bends to form an upper limiting plate 051, and the upper limiting plate 051 is provided with an upper through hole 0510; the upper perforation 0510 is used for limiting the random swing of the traveling cable 02; the outer side edge of the upper limiting plate 051 extends and bends to form an upper connecting plate 052;

the lower fixing piece 06 comprises a lower fixing plate 060, and a lower mounting hole 0600 is formed in the lower fixing plate 060; the lower mounting hole 0600 penetrates through a bolt to be connected and fixed with the ground of the well 01; the edge of the lower fixing plate 060 is extended and bent to form a lower connecting plate 061;

two steel wires 07 are connected between the upper connecting plate 052 and the lower connecting plate 061; the steel wire 07 can be welded with the upper and lower connecting plates 061, or the upper and lower connecting plates 061 are provided with holes to be wound and connected; the traveling cable 02 passes through an upper perforation 0510 of an upper limiting plate 051; the roller 03 is clamped between the two steel wires 07 to form a limiting position.

As described above, in the specific installation process, the upper fixing piece 05 and the lower fixing piece 06 are fixed in the hoistway 01, the traveling cable 02 passes through the upper perforation 0510 of the upper limiting plate 051, and the steel wire 07 is connected between the upper connecting plate 052 and the lower connecting plate 061 to block the roller 03 to travel up and down; except for selecting the steel wire 07, the steel wire can be various long-strip-shaped objects of a steel rope;

through two steel wires 07 (ropes) penetrating through the upper part and the lower part of the well 01 and serving as a running track of the safety tensioning guide device for the traveling cable 02, the front, back, left and right positions of the safety tensioning guide device for the traveling cable 02 are fixed in the running process, so that the purpose of limiting the running position of the traveling cable 02 is achieved by limiting the running position of the safety tensioning guide device for the traveling cable 02, and through tests, the device can ensure that the front, back, left and right shaking of the traveling cable 02 is not more than 5mm.

Further, the device also comprises a guide bracket 08; the guide support 08 comprises a second limiting plate 080, two sides of the second limiting plate 080 extend and bend to form second connecting plates 081, and the two second connecting plates 081 are respectively provided with first positioning holes which are opposite to each other; the guide bracket 08 is integrally formed into a bent concave shape; the second limiting plate 080 is fixed on the outer surface of the roller 03; the second limiting plate 080 is welded or glued with the roller 03;

a sliding sleeve 09 is inserted between the two second connecting plates 081, and the sliding sleeve 09 is made of wear-resistant plastics; the inside of the sliding sleeve 09 is hollow, the upper surface and the lower surface of the sliding sleeve 09 are recessed to form the annular first clamping groove 090, the sliding sleeve 09 penetrates through the first positioning hole, the clamp spring 10 is embedded into the first clamping groove 090 for fixation, and the steel wire 07 penetrates through the inside of the sliding sleeve 09.

As described above, the guide bracket 08 is fixed to the outer surfaces of both sides of the roller 03, the sliding sleeve 09 penetrates through the second connecting plate 081 of the guide bracket 08, the steel wire 07 penetrates through the sliding sleeve 09, the snap spring 10 is embedded into the first locking groove 090 of the sliding sleeve 09 and fixed, and the sliding sleeve 09 is fixed to the guide bracket 08;

through changing the length of guide bracket 08, can change the focus of this trailing cable 02 safety tight guider that rises and the distance at steel wire 07 center, gyro wheel 03 protrusion steel wire 07, this point design can further make full use of space, makes this device can fully hide the bottom to platform elevator rear side stand crossbeam.

Further, an upper connecting hole is formed in the upper connecting plate 052; the upper connecting hole is riveted with an H-shaped hanging block 11;

the lower connecting plate 061 is provided with a lower connecting hole which is connected with a U-shaped hanging block 12 through a pin shaft; two ends of the steel wire 07 respectively pass through the H-shaped hanging block 11 and the U-shaped hanging block 12 to be fixed.

As mentioned above, the steel wire 07 is detachably connected between the H-shaped hanging block 11 and the U-shaped hanging block 12, so that adjustment, maintenance and replacement are convenient;

further, both side surfaces of the upper fixture 05 are connected with reinforcing plates 053.

As described above, the reinforcing plate 053 is trapezoidal and is connected and fixed to the upper fixing plate 050, the upper limiting plate 051, and the upper connecting plate 052, respectively. The overall strength of the upper fixing piece 05 is increased;

in the description of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when in use, or the directions or positional relationships that those skilled in the art usually understand, and are only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element that is referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected;

the above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model should be covered within the protection scope of the utility model.

Claims (5)

1. The utility model provides an elevator retinue cable guider that rises, is including setting up the retinue cable in the well, its characterized in that: the roller is used for tensioning; two side edges of the roller extend outwards and are folded to form a roller groove; the middle of the roller is provided with a wheel shaft;

the traveling cable is sleeved with the winding wheel groove to form self-weight traction;

also comprises a drop-proof piece; the anti-disengaging piece is bent and is the U-shaped, and the anti-disengaging piece includes first limiting plate, and the both sides of first limiting plate extend to bend and form first connecting plate, and first limiting plate spanes the race, and two first connecting plates are connected fixedly with shaft both ends respectively.

2. The elevator trailing cable tensioning guide device according to claim 1, wherein: the device also comprises an upper fixing piece and a lower fixing piece; the upper fixing piece comprises an upper fixing plate, and an upper mounting hole is formed in the upper fixing plate; the top edge of the upper fixing plate extends and bends to form an upper limiting plate, and the upper limiting plate is provided with an upper through hole; the outer side edge of the upper limiting plate extends and bends to form an upper connecting plate;

the lower fixing piece comprises a lower fixing plate, and a lower mounting hole is formed in the lower fixing plate; the edge of the lower fixing plate extends and bends to form a lower connecting plate;

two steel wires are connected between the upper connecting plate and the lower connecting plate; the traveling cable passes through the upper through hole of the upper limiting plate; the roller is clamped between the two steel wires to form a limiting position.

3. The elevator trailing cable tensioning guide device according to claim 2, wherein: the device also comprises a guide bracket; the guide support comprises a second limiting plate, two sides of the second limiting plate extend and bend to form second connecting plates, and two second connecting plates are respectively provided with a first positioning hole which is opposite to the first positioning hole; the second limiting plate is fixed on the outer surface of the roller;

a sliding sleeve is inserted between the two second connecting plates, the sliding sleeve is hollow inside, a first clamping groove in the shape of an annular concave surface is formed in the upper portion and the lower portion of the sliding sleeve, the sliding sleeve penetrates through the first positioning hole, the clamping spring is embedded into the first clamping groove to be fixed, and the steel wire penetrates through the inside of the sliding sleeve.

4. The elevator trailing cable tensioning guide device of claim 2, wherein: the upper connecting plate is provided with an upper connecting hole; the upper connecting hole is riveted with an H-shaped hanging block;

the lower connecting plate is provided with a lower connecting hole, and the lower connecting hole penetrates through the pin shaft and is connected with a U-shaped hanging block; two ends of the steel wire respectively penetrate through the H-shaped hanging block and the U-shaped hanging block to be fixed.

5. The elevator trailing cable tensioning guide device of claim 2, wherein: and two side surfaces of the upper fixing piece are connected with reinforcing plates.

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