CN211569807U

CN211569807U - Auxiliary device for installing wire releasing hole of elevator

Info

Publication number: CN211569807U
Application number: CN202020059336.6U
Authority: CN
Inventors: 郑三波
Original assignee: Changsha Shunxin Elevator Co ltd
Current assignee: Changsha Shunxin Elevator Co ltd
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-09-25
Anticipated expiration: 2030-01-10

Abstract

The utility model relates to an elevator installation unwrapping wire hole auxiliary device, which comprises a frame, it is connected with the pivot to rotate in the frame, the winding roller has been cup jointed in the pivot, the winding roller can be dismantled through spacing subassembly and fix in the pivot, be equipped with the rotatory ratchet subassembly of restriction pivot in the frame, the ratchet subassembly includes coaxial fixation in the pivot ratchet, the pawl includes rotation portion and the locking portion and the portion of stirring that are located rotation portion both ends respectively, rotate in the frame and be connected with ratchet complex pawl, be provided with the forward pivoted of drive pawl in the frame and dial the piece and drive pawl reverse rotation's elastic component, when the elastic component is in free state, pawl and ratchet meshing, the ratchet breaks away from when the pawl forward rotation, be provided with the bracing piece in the frame, rotation portion rotates and connects on the bracing piece, the elastic component is connected. The utility model has the advantages of can carry on spacingly to the winding roller, avoid the winding roller free rotation to lead to the wire rope landing.

Description

Auxiliary device for installing wire releasing hole of elevator

Technical Field

The utility model belongs to the technical field of the technique of elevator installation and specifically relates to a pay-off hole auxiliary device is installed to elevator.

Background

In the installation process of the elevator, the steel wire rope needs to be wound in a large amount from the direction of the pay-off hole formed in the elevator control room and connected to the elevator compartment body through the traction wheel, and in order to guarantee safety, the steel wire rope needs to be manually wound, so that labor is wasted when the steel wire rope is manually put down from the pay-off hole.

Chinese patent with grant publication number CN208948529U discloses an elevator installation pay-off device, including the winding roller, first backup pad and second backup pad, second backup pad upper end central point puts and still rotates and is connected with the pivot, the inboard sliding connection in second backup pad upper end has three groups of connecting rods, connecting rod other end fixedly connected with fixed disk, the sliding sleeve has still been cup jointed in the pivot outside, evenly equidistant distribution has three groups of fixed plates along the terminal surface circumference in the fixed disk, and the fixed plate can be along terminal surface radial slide in the fixed disk, fixed plate inner wall and sliding sleeve lateral wall all are fixed and are provided with three lugs, and it has the actuating lever to articulate between the lugs of both sides, the winding roller inserts three fixed plate outsides, and between winding roller inner wall and the fixed plate, slide and carry out position locking through the sliding.

The above prior art solutions have the following drawbacks: when the steel wire rope construction on the pulling winding roller, the winding roller can follow the rotating shaft to rotate together, and although the effect of saving labor when paying off is achieved, the rotating shaft is not limited, the winding roller can rotate freely, when the steel wire rope connected to the winding roller has a longer section and is in a state of freely hanging, the gravity of the steel wire rope can pull the winding roller, so that the winding roller rotates together with the rotating shaft, and the steel wire rope continuously slides from the winding roller.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an elevator installation unwrapping wire hole auxiliary device has and to carry on spacingly to the winding roller, avoids the winding roller free rotation to lead to wire rope landing advantage.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an auxiliary device for an elevator installation wire releasing hole comprises a frame, wherein a rotating shaft is rotatably connected on the frame and is sleeved with a wire winding roller, the winding roller is detachably fixed on the rotating shaft through a limiting component, a ratchet wheel component for limiting the rotation of the rotating shaft is arranged on the frame, the ratchet wheel component comprises a ratchet wheel coaxially fixed on the rotating shaft, a pawl matched with the ratchet wheel is rotatably connected to the rack, the pawl comprises a rotating part, a locking part and a poking part which are respectively positioned at the two ends of the rotating part, a poking part for driving the pawl to rotate in the forward direction and an elastic part for driving the pawl to rotate in the reverse direction are arranged on the rack, when the elastic piece is in a free state, the pawl is meshed with the ratchet wheel, and the pawl is separated from the ratchet wheel when rotating in the positive direction, the rack is provided with a supporting rod, the rotating part is rotatably connected to the supporting rod, and the elastic piece is connected with the locking part.

Through adopting above-mentioned technical scheme, the frame plays supporting role to pivot and winding roller, make pivot and winding roller break away from ground and can rotate, the winding roller can be dismantled and fix in the pivot, after wire rope on the winding roller has been put, can pull down the winding roller of renewal, the support frame provides a pivoted fulcrum for the pawl, locking portion and ratchet cooperation, the elastic component orders about pawl antiport on the ratchet through elasticity, the restriction ratchet rotates, and then it is spacing to the pivot, make epaxial winding roller can not the free rotation, gravity when wire rope hangs freely can not order about the winding roller and rotate along with the pivot, wire rope can not follow the free landing on the winding roller, when needing the direction, order about pawl forward rotation through dialling the piece, make the pawl keep away from the ratchet, can relieve ratchet subassembly spacing to the pivot.

The utility model discloses further set up to: the poking piece comprises a mounting seat fixed at the top of the rack, a poking rod is connected to the mounting seat in a sliding mode, and the poking rod is abutted to the poking part.

By adopting the technical scheme, the poke rod is pressed downwards, the poke rod drives the poke piece to rotate, the locking part is separated from the ratchet wheel, the winding roller is in a free rotation state, and the operation is convenient.

The utility model discloses further set up to: the poking rod is provided with a positioning block, the mounting seat is provided with a poking jack for the poking rod to slide, a guide groove arranged in parallel with the poking rod is formed in the poking jack, a limiting groove arranged perpendicular to the guide groove is formed in the poking jack, and the limiting groove is communicated with the guide groove.

Through adopting above-mentioned technical scheme, when pressing down the poker rod, the locating piece slides down along the guide way, after locking portion breaks away from the ratchet, rotatory poker rod makes the locating piece card go into in the constant head tank, carries out axial spacing to the poker rod, avoids extension spring's elasticity to order about the pawl rotation, makes the staff needn't continuously press the poker rod when carrying out the unwrapping wire operation, convenient to use.

The utility model discloses further set up to: the elastic piece is an extension spring.

Through adopting above-mentioned technical scheme, extension spring is the standard component, and the cost is lower, can find the extension spring of the same specification more easily when taking place to damage.

The utility model discloses further set up to: the limiting assembly comprises a limiting sleeve which is connected to the rotating shaft in a sliding mode, a limiting plate is arranged on the limiting sleeve, and the limiting sleeve and the limiting plate are connected with the rotating shaft and the winding roller through bolts respectively.

Through adopting above-mentioned technical scheme, spacing subassembly passes through the bolt fastening with pivot and wire winding roller respectively, makes can not take place relative rotation between wire winding roller and the pivot, and after wire rope on the wire winding roller used the completion, loosens the bolt and can pull down the wire winding roller, and it is comparatively convenient to use.

The utility model discloses further set up to: and a rotating handle is arranged at one end of the poke rod, which is far away from the pawl.

Through adopting above-mentioned technical scheme, order about the poker rod rotation through rotatory handle, the arm of force is longer, comparatively laborsaving.

The utility model discloses further set up to: the frame is provided with a motor, and an output shaft of the motor is in transmission connection with the rotating shaft.

Through adopting above-mentioned technical scheme, order about the pivot rotation through the motor and carry out the unwrapping wire, motor speed is invariable, and the unwrapping wire in-process can carry out at the uniform velocity unwrapping wire, makes the unwrapping wire more steady, need not manual rotation winding roller simultaneously, can reduce staff's intensity of labour.

The utility model discloses further set up to: the motor is characterized in that a friction wheel is arranged on the output shaft of the motor, and a roller which is abutted against the friction wheel is arranged on the rotating shaft.

Through adopting above-mentioned technical scheme, the friction drive has overload protection's effect, forgets when the staff and presses the poker rod, during direct start motor, the rotation of pivot has been restricted in pawl and ratchet meshing, can take place to skid between friction pulley and the gyro wheel this moment, can protect ratchet subassembly, avoids ratchet subassembly to take place to damage.

To sum up, the utility model discloses a beneficial technological effect does:

1. the tension spring steel drives the pawl to reversely rotate and abut against the ratchet wheel to limit the rotation of the ratchet wheel so as to limit the rotating shaft, the winding roller cannot be driven to rotate along with the rotating shaft by the gravity when the steel wire rope is freely suspended, and the steel wire rope cannot freely slide off the winding roller;

2. the poke rod is rotated to clamp the positioning block into the positioning groove, the poke rod is axially limited, the situation that the pawl is driven to rotate by the elasticity of the extension spring is avoided, and a worker does not need to continuously press the poke rod during paying off operation is avoided;

3. through friction drive between motor and the pivot, have overload protection's effect, forget when the staff and press the poker rod, during the direct start motor, can take place to skid between friction pulley and the gyro wheel, can protect ratchet subassembly.

Drawings

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

FIG. 2 is a schematic view of a portion of the stop assembly of FIG. 1;

FIG. 3 is a partial schematic structural view of the ratchet assembly of FIG. 1;

fig. 4 is a schematic partial cross-sectional view of the mount of fig. 3.

In the figure, 1, a frame; 2. a rotating shaft; 3. a winding roller; 41. a limiting sleeve; 42. a limiting plate; 51. a ratchet wheel; 52. a pawl; 521. a lock section; 522. a toggle part; 523. a rotating part; 53. a support bar; 54. an elastic member; 551. a mounting seat; 552. a poke rod; 553. rotating the handle; 554. positioning blocks; 555. poking the jack; 556. a limiting groove; 557. a guide groove; 6. a motor; 7. a friction wheel; 8. and a roller.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses an elevator installation unwrapping wire hole auxiliary device, including frame 1, rotate in frame 1 and be connected with pivot 2, cup jointed winding roller 3 in the pivot 2, winding roller 3 can dismantle through spacing subassembly and fix in pivot 2, is equipped with the rotatory ratchet 51 subassembly of restriction pivot 2 in frame 1, and fixed mounting has motor 6 in frame 1, and motor 6 output shaft passes through the friction drive and is connected with the transmission of pivot 2.

Spacing subassembly includes sliding connection at the epaxial stop collar 41 of pivot 2, and stop collar 41 is hollow cylindrical, and stop collar 41 respectively is provided with a set ofly at 3 both ends of winding roller, and stop collar 41 is close to the one end fixedly connected with limiting plate 42 of winding roller 3, and limiting plate 42 is ring shape, and with the coaxial setting of pivot 2, stop collar 41 and limiting plate 42 pass through bolted connection with pivot 2 and winding roller 3 respectively.

Referring to fig. 3 and 4, the ratchet 51 assembly includes a ratchet 51 coaxially fixed on the rotating shaft 2, a support rod 53 horizontally arranged on the support rod 53 is fixed on the frame 1, a pawl 52 matched with the ratchet 51 is arranged on the support rod 53, the pawl 52 includes a rotating portion 523, and a locking portion 521 and a toggling portion 522 respectively located at two ends of the rotating portion 523, the rotating portion 523 is rotatably connected with the support rod 53, a toggling member for driving the pawl 52 to rotate in the forward direction and an elastic member 54 for driving the pawl 52 to rotate in the reverse direction are arranged on the frame 1, when the elastic member 54 is in a free state, the pawl 52 is engaged with the ratchet 51, when the pawl 52 rotates in the forward direction, the elastic member 54 is disengaged from the ratchet 51, the elastic member 54 is connected with the locking portion 521.

The poking piece comprises a mounting seat 551 fixed at the top of the rack 1, a poking rod 552 vertically arranged is connected to the mounting seat 551 in a sliding manner, the bottom end of the poking rod 552 is abutted to the poking part 522, a rotating handle 553 is arranged at one end, away from the pawl 52, of the poking rod 552, the rotating handle 553 is circular, and the poking rod 552 and the rotating handle 553 are connected through three groups of connecting rods.

Positioning blocks 554 are fixed on the peripheral wall of the poke rod 552 at even intervals along the circumferential direction, a poke jack 555 for the poke rod 552 to slide is arranged on the mounting seat 551, a guide groove 557 parallel to the poke rod 552 is arranged in the poke jack 555, a limit groove 556 vertical to the guide groove 557 is arranged in the poke jack 555, and the limit groove 556 is communicated with the bottom end of the guide groove 557.

Referring to fig. 1, a friction wheel 7 is coaxially fixed on an output shaft of a motor 6, a roller 8 abutted against the friction wheel 7 is coaxially fixed on a rotating shaft 2, and the motor 6 is connected with an external power supply.

The implementation principle of the embodiment is as follows: during paying off, the poking rod 552 is vertically pressed downwards, the positioning block 554 slides along the guide groove 557, the poking rod 552 drives the pawl 52 to rotate around the supporting rod 53, the extension spring is extended until the locking part 521 of the pawl 52 is far away from the ratchet wheel 51, then the rotating handle 553 is rotated, the rotating handle 553 drives the poking rod 552 to rotate, the positioning block 554 enters the positioning groove, the axial movement of the poking rod 552 is limited, the motor 6 is powered on, the output shaft of the motor 6 drives the friction wheel 7 to rotate, the friction wheel 7 drives the roller 8 to rotate through friction force, the rotating shaft 2 is further rotated, and the winding roller 3 rotates synchronously along with the rotating shaft 2 to pay off.

After the wire is paid out, the motor 6 is turned off, and then the rotating handle 553 is rotated in the reverse direction, so that the positioning block 554 leaves the positioning groove and enters the guide groove 557, and the elastic force of the extension spring drives the locking part of the pawl 52 to move towards the direction close to the ratchet wheel 51 until the locking part is engaged with the ratchet wheel 51, thereby limiting the rotation of the rotating shaft 2.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an elevator installation unwrapping wire hole auxiliary device, includes frame (1), rotate in frame (1) and be connected with pivot (2), cup jointed winding roller (3) on pivot (2), winding roller (3) can be dismantled through spacing subassembly and fix on pivot (2), its characterized in that: the improved ratchet wheel mechanism is characterized in that a ratchet wheel (51) assembly for limiting rotation of the rotating shaft (2) is arranged on the rack (1), the ratchet wheel (51) assembly comprises a ratchet wheel (51) coaxially fixed on the rotating shaft (2), a pawl (52) matched with the ratchet wheel (51) is connected to the rack (1) in a rotating mode, the pawl (52) comprises a rotating portion (523) and a locking portion (521) and a shifting portion (522) which are located at two ends of the rotating portion (523) respectively, a shifting portion for driving the pawl (52) to rotate in the forward direction and an elastic member (54) for driving the pawl (52) to rotate in the reverse direction are arranged on the rack (1), the pawl (52) is meshed with the ratchet wheel (51) when the elastic member (54) is in a free state, the pawl (52) is separated from the ratchet wheel (51) when the pawl (52) rotates in the forward direction, a supporting rod (53) is arranged on the rack (, the elastic member (54) is connected to the locking portion (521).

2. An elevator installation stringing hole auxiliary device as defined in claim 1, wherein: the poking piece comprises a mounting seat (551) fixed to the top of the rack (1), a poking rod (552) is connected to the mounting seat (551) in a sliding mode, and the poking rod (552) is abutted to the poking part (522).

3. An elevator installation stringing hole auxiliary device as defined in claim 2, wherein: the pulling rod (552) is provided with a positioning block (554), the mounting seat (551) is provided with a pulling jack (555) for the pulling rod (552) to slide, a guide groove (557) arranged in parallel with the pulling rod (552) is formed in the pulling jack (555), a limiting groove (556) arranged perpendicular to the guide groove (557) is formed in the pulling jack (555), and the limiting groove (556) is communicated with the guide groove (557).

4. An elevator installation stringing hole aid as defined in claim 3, wherein: the elastic member (54) is an extension spring.

5. An elevator installation stringing hole aid as defined in claim 3, wherein: the limiting assembly comprises a limiting sleeve (41) which is connected to the rotating shaft (2) in a sliding mode, a limiting plate (42) is arranged on the limiting sleeve (41), and the limiting sleeve (41) and the limiting plate (42) are connected with the rotating shaft (2) and the winding roller (3) through bolts respectively.

6. An elevator installation stringing hole aid as defined in claim 5, wherein: the end of the poke rod (552) far away from the pawl (52) is provided with a rotating handle (553).

7. An elevator installation stringing hole aid as defined in claim 6, wherein: a motor (6) is arranged on the frame (1), and an output shaft of the motor (6) is in transmission connection with the rotating shaft (2).

8. An elevator installation stringing hole aid as defined in claim 7, wherein: the motor is characterized in that a friction wheel (7) is arranged on an output shaft of the motor (6), and a roller (8) abutted against the friction wheel (7) is arranged on the rotating shaft (2).