CN214196149U

CN214196149U - Hand-pulling type three-link lifting platform

Info

Publication number: CN214196149U
Application number: CN202022768924.XU
Authority: CN
Inventors: 邹江平
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-09-14
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a three lift platform even of hand power formula, including outer platform, well platform and interior platform, outer platform, well platform and interior platform slip cap step by step establish the setting, set up on well platform and the interior platform and prevent the gliding chucking subassembly of well platform and interior platform, the both sides of outer platform, well platform and interior platform set up hand power elevating gear respectively, and the outer platform bottom sets up portable supporting seat. Make the utility model discloses can go up and down to stretch out and draw back, it is very convenient in the aspect of placing or transporting to height-adjustable festival, applicable in the not operation of co-altitude, it is also more convenient when meetting needs continuous movement operation moreover.

Description

Hand-pulling type three-link lifting platform

Technical Field

The utility model belongs to lift platform field, especially three lift platform that link of hand-pulling type.

Background

The lifting platform is a lifting tool, is generally used for transporting perpendicularly in the common instrument of places such as construction site, but lifting platform also can be used to the operation of climbing to for tools such as ladders, possess safer, advantage that operating space is bigger.

Most of the existing lifting platforms mainly transport vertically, are heavy, are very complicated in lifting and cannot be suitable for climbing operation. Therefore, a lifting platform which is more convenient to lift, light in size and convenient to move is needed to solve the problems

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a three lift platform that link of hand power formula, it is flexible to go up and down fast through the hand power, is very convenient in the aspect of placing or transporting to height-adjustable festival, applicable in the not operation of co-altitude, it is also more convenient when meetting needs continuous movement operation moreover.

In order to achieve the above purpose, the utility model adopts the following technical scheme: three lift platform even of hand power formula, including outer platform, well platform and interior platform, outer platform, well platform and interior platform slip cap step by step establish the setting, set up on well platform and the interior platform and prevent the gliding chucking subassembly of well platform and interior platform, the both sides of outer platform, well platform and interior platform set up hand power elevating gear respectively, the outer platform bottom sets up portable supporting seat.

Further, the clamping assembly comprises a U-shaped fixing piece, a torsion spring, a rotating shaft and a limiting piece, wherein an opening of the U-shaped fixing piece is arranged downwards, the limiting piece is in a long strip shape, the middle part of the limiting piece protrudes towards the outside in an inclined mode to form a clamping portion, a blocking piece is arranged on the side face of the clamping portion, one end of the limiting piece is arranged on the inner U-shaped fixing piece through the rotating shaft, the torsion spring is sleeved on the rotating shaft, and two ends of the torsion spring abut against the inner wall of the U-shaped fixing piece and the blocking piece respectively.

Further, outer platform is erected the ladder and is erected the outer platform pull rod of ladder by the outer platform that sets up in both sides and the outer platform of fixed connection both sides and constitute, and outer platform is erected the ladder and is included outer platform montant and outer platform foot bar, two outer platform montant parallel arrangement, if between the fixed two outer platform montants of evenly distributed about an outer platform foot bar, outer platform spout is seted up to equal vertical direction on the outer platform of both sides is erected the ladder inside wall, and well platform slides with outer platform spout cooperation.

Further, well platform is erected the ladder and is erected the well platform pull rod of ladder in the fixed connection both sides by the well platform that sets up in both sides and the well platform, well platform is erected the ladder and is included well platform montant and well platform foot bar, two well platform montant parallel arrangement, if between the fixed two well platform montants of evenly distributed about a well platform foot bar, the well platform that the platform was erected the ladder in both sides erects the equal vertical direction on the ladder inside wall and sets up outer platform spout, interior platform slides with well platform spout cooperation, all set up the chucking subassembly on the montant inner wall that the well platform of both sides erected the ladder, when well platform slips into outer platform, well platform pull rod block is at outer platform top.

Further, the inner platform is erected the ladder by the inner platform that sets up in both sides, the inner platform pull rod and the bearing platform of the ladder are erected to the inner platform of fixed connection both sides inner platform, the inner platform is erected the ladder and is included inner platform montant and inner platform foot bar, two inner platform montant parallel arrangement, if between the fixed two inner platform montants of evenly distributed about the inner platform foot bar, bearing platform erects on the inner platform foot bar of both sides, bearing platform both sides set up the handrail, set up the dead lever between two handrails, all set up the chucking subassembly on the montant inner wall of the inner platform of both sides vertical ladder, the inner platform montant top outside still is provided with the stopper, when the inner platform slides in the middle platform, the stopper block is at outer platform top.

Further, the movable supporting seat comprises a base, bearing wheels, supporting rods and adjustable supporting legs, the bearing wheels are arranged below the four corners of the base respectively, the supporting rods are hinged to the four corners of the base in the horizontal direction respectively, and the adjustable supporting legs are arranged at the end portions of the supporting rods.

Furthermore, the adjustable supporting legs comprise a screw rod, supporting legs, a rotating disc and a rotating handle, a through screw hole is formed in the supporting rod, the screw rod can rotate in the screw hole in a matched mode and move up and down, the rotating disc and the supporting legs are respectively welded at the upper end and the lower end of the screw rod, and the rotating handle is welded at the edge of the top of the rotating disc and rotates in a matched mode with the rotating disc.

Further, hand power elevating gear includes outer platform fixed pulley, well platform movable pulley, well platform fixed pulley, interior platform movable pulley, well platform stay cord, interior platform stay cord and handle, the handle sets up in outer platform side, outer platform fixed pulley sets up at outer platform top, well platform movable pulley and well platform fixed pulley set up respectively in well platform bottom and top, platform bottom including interior platform movable pulley sets up, well platform stay cord one end is fixed at outer platform top, the other end then passes outer platform fixed pulley and well platform movable pulley system in proper order on hand, interior platform stay cord one end is fixed at well platform top, the other end then passes well platform fixed pulley and interior platform movable pulley system in proper order on hand.

Compared with the prior art, the utility model discloses following beneficial effect has:

one is as follows: the utility model discloses establish the setting by outer platform, well platform and interior platform slip cap step by step to different heights can be made to outer platform, well platform and interior platform, and then make the lift platform of different length specifications, and the batch production of being convenient for, market are sold, can satisfy different engineering needs. And outer platform, well platform and interior platform can stretch out and draw back step by step, have practiced thrift the space, consequently it is very convenient when transportation and storage.

The second step is as follows: the clamping components for preventing the middle platform and the inner platform from sliding are arranged on the middle platform and the inner platform, when the inner platform is out of the middle platform, the clamping components are clamped on the middle platform pedal rods of different middle platforms of the middle platform, so that the purpose of fixing the inner platform on the middle platform and adjusting the extending length of the inner platform to achieve the purpose of adjusting the height can be achieved; when the middle platform extends out of the outer platform, the clamping assembly is clamped on different outer platform pedal rods of the outer platform, so that the purposes of fixing the middle platform on the outer platform and adjusting the extending length of the middle platform to adjust the height can be achieved; the three-section type telescopic structure can achieve adjustment of larger height.

And thirdly: the utility model discloses outer platform bottom sets up portable supporting seat, the utility model discloses can drag at will when using to can also more firm, guarantee stability, more safety when standing in ground.

Fourthly, the method comprises the following steps: the utility model discloses a both sides of outer platform, well platform and interior platform set up hand power elevating gear respectively for this device can be through using hand power elevating gear, can be with outer platform or well platform rebound, and can cooperate the chucking subassembly height-adjusting from top to bottom.

Drawings

FIG. 1 is a schematic structural view when the utility model is lifted up;

FIG. 2 is a side view of the utility model when it is lifted;

FIG. 3 is a schematic view of the structure of the present invention when it is lowered;

FIG. 4 is an enlarged view of A in FIG. 1;

FIG. 5 is an enlarged view of B in FIG. 2;

FIG. 6 is an enlarged view of C in FIG. 2;

fig. 7 is a partial cross-sectional view of the outer platform, the middle platform and the inner platform of the present invention.

FIG. 8 is a structural view of the clamping assembly of the present invention;

FIG. 9 is a view of the clamping assembly in operation; wherein a is a normal state, b is a clamping and locking state, and c is an unlocking state.

In the figure: 1. outer platform, 101, outer platform vertical ladder, 102, outer platform vertical rod, 103, outer platform pedal rod, 104, outer platform pull rod, 105, outer platform sliding groove, 2, middle platform, 201, middle platform vertical ladder, 202, middle platform vertical rod, 203, middle platform pedal rod, 204, middle platform pull rod, 205, outer platform sliding groove, 3, inner platform, 301, inner platform vertical ladder, 302, inner platform vertical rod, 303, inner platform pedal rod, 304, inner platform pull rod, 305, bearing platform, 306, handrail, 307, fixing rod, 308, limiting block, 4, clamping component, 401, U-shaped fixing plate, 402 torsion spring, 403, rotating shaft, 404, limiting block, 405, clamping part, 406, blocking plate, 5, hand-pulling lifting device, 501, outer platform fixed pulley, 502, middle platform movable pulley, 503, middle platform fixed pulley, 504, inner platform movable pulley, 505, middle platform pull rope, 506, inner platform pull rope, 504, and the like, 507. The handle, 6, a movable supporting seat, 601, a base, 602, a bearing wheel, 603, a supporting rod and 604, an adjustable supporting foot, 605, a screw rod, 606, a supporting foot, 607, a rotating disk, 608, a rotating handle and 609, a screw hole.

Detailed Description

Referring to fig. 1-9, three lift platform even of hand-pulling type, including outer platform 1, well platform 2 and inner platform 3, outer platform 1, well platform 2 and inner platform 3 establish the setting with sliding sleeve step by step, set up on well platform 2 and the inner platform 3 and prevent the gliding chucking subassembly 4 of well platform 2 and inner platform 3, the both sides of outer platform 1, well platform 2 and inner platform 3 set up hand-pulling elevating gear 5 respectively, outer platform 1 bottom sets up portable supporting seat 6. The utility model discloses when using, the portable support seat 6 that 1 bottom of accessible outer platform set up removes it and knows the position to stimulate outer platform 1 simultaneously, well platform 2 and inner platform 3's both sides hand power elevating gear 5, platform 2 and inner platform 3 elevating gear in can adjusting from top to bottom, when adjusting required height, can block its fixed blocking through chucking subassembly 4 that sets up on well platform 2 and the inner platform 3, prevent that well platform 2 and inner platform 3 from gliding because of gravity.

The clamping assembly 4 includes a U-shaped fixing plate 401, a torsion spring 402, a rotating shaft 403 and a limiting member 404, the U-shaped fixing plate 401 has a downward opening, the limiting member 404 is strip-shaped, the middle portion of the limiting member 404 is inclined and protruded to the outside to form a locking portion 405, a stopper 406 is disposed on the side of the locking portion 405, one end of the limiting member 404 is disposed on the inner U-shaped fixing plate 401 through the rotating shaft 403, the torsion spring 402 is sleeved on the rotating shaft 403, and two ends of the torsion spring are respectively abutted against the inner wall of the U-shaped fixing plate 401 and the stopper 406. The limiting member 404 is disposed by the torsion spring 402 in a downward inclination manner at ordinary times, and when the middle platform 2 or the inner platform 3 moves upward, the clamping assembly 4 is driven to move upward, and when the clamping assembly 4 moves upward, the limiting member 404 is pressed by the middle platform pedal rods 203 or the outer platform pedal rods 103 at two sides to rotate inward around the rotating shaft 403 by a certain angle. When the clamping assembly 4 moves beyond the middle platform pedal rod 203 or the outer platform pedal rod 103, the torsion spring 402 drives the limiting member 404 to return to the downward inclined state. When the clamping assembly 4 is required to be limited, the middle platform 2 or the inner platform 3 continues to move upwards, so that the bottom of the clamping portion 405 of the limiting part 404 exceeds the middle platform pedal rod 203 or the top of the outer platform pedal rod 103 by a short distance, the torsion spring 402 can drive the limiting part 404 to reset, and the bottom of the limiting part 404 can be resisted by the middle platform pedal rod 203 or the outer platform pedal rod 103 to be incapable of resetting to a downward-inclined state while the torsion spring 402 can drive the limiting part 404 to reset, at the moment, the middle platform 2 or the inner platform 3 moves downwards by a short distance, the clamping portion 405 is located at the top of the middle platform pedal rod 203 or the outer platform pedal rod 103 to form a clamping effect, and at the moment, the middle platform 2 or the inner platform 3 cannot move downwards. When the clamping assembly 4 cancels the limiting, the middle platform 2 or the inner platform 3 moves upward again, so that the bottom of the limiting part 404 exceeds the top of the middle platform pedal rod 203 or the top of the outer platform pedal rod 103, at this time, the limiting part 404 is driven by the torsion spring 402 to reset into a downward-inclined shape, the middle platform 2 or the inner platform 3 moves downward again, the top of the middle platform pedal rod 203 or the top of the outer platform pedal rod 103 can abut against the bottom of the limiting part 404 at this time, so that the limiting part 404 rotates upward around the rotating shaft 403, the clamping cannot be performed, and the limiting of the clamping assembly 4 is relieved.

Wherein, outer platform 1 is erected ladder 101 and the outer platform pull rod 104 of the outer platform vertical ladder 101 of fixed connection both sides by the outer platform that sets up in both sides and is constituteed, outer platform vertical ladder 101 includes outer platform montant 102 and outer platform foot bar 103, two outer platform montant 102 parallel arrangement, if between the fixed two outer platform montants 102 of evenly distributed about individual outer platform foot bar 103, outer platform spout 105 is seted up to equal vertical direction on the outer platform vertical ladder 101 inside wall of the outer platform vertical ladder 101 of both sides outer platform vertical ladder 101, well platform 2 slides with outer platform spout 105 cooperation.

Wherein, well platform 2 is by setting up the well platform pull rod 204 that sets up in the well platform vertical ladder 201 of both sides and the platform vertical ladder 201 in the fixed connection both sides, well platform vertical ladder 201 includes well platform montant 202 and well platform foot bar 203, platform montant 202 parallel arrangement in two, if between the fixed two well platform montants 202 of evenly distributed about individual well platform foot bar 203, the outer platform spout 105 is seted up to the equal vertical direction on the well platform vertical ladder 201 inside wall of platform vertical ladder 201 in both sides, inner platform 3 slides with well platform spout 205 cooperation, all set up chucking subassembly 4 on the montant inner wall of the well platform vertical ladder 201 of both sides, when well platform 2 slides in outer platform 1, well platform pull rod 204 block is at outer platform 1 top.

Wherein, interior platform 3 is by setting up the interior platform vertical ladder 301 in both sides, the interior platform pull rod 304 and the bearing platform 305 of the interior platform vertical ladder 301 of fixed connection both sides are constituteed, interior platform vertical ladder 301 includes interior platform montant 302 and interior platform foot bar 303, two interior platform montant 302 parallel arrangement, if between the fixed two interior platform montant 302 of evenly distributed about a plurality of interior platform foot bar 303, bearing platform 305 erects on the interior platform foot bar 303 of both sides, bearing platform 305 both sides set up handrail 306, set up dead lever 307 between two handrail 306, all set up chucking subassembly 4 on the interior platform vertical ladder 301's of both sides the montant inner wall, interior platform montant 302 top outside still is provided with stopper 308, when platform 2 in interior platform 3 slides in, stopper 308 block is at 1 top of platform outside. When working aloft, the worker can stand on the bearing platform 305 to work aloft, and the handrail 306 effectively increases the safety factor of the aloft.

Wherein, movable support seat 6 includes base 601, bearing wheel 602, bracing piece 603 and adjustable supporting legs 604, and bearing wheel 602 sets up respectively in base 601 four corners below, and bracing piece 603 is the horizontal direction respectively and articulates in base 601 four corners, and adjustable supporting legs 604 sets up the tip at bracing piece 603. Bearing wheel 602 guarantees the utility model discloses in can removing, can also guarantee the utility model discloses can bear certain weight, through bracing piece 603 and adjustable supporting legs 604, when using, can use adjustable supporting legs 604 to support and live ground, prevent that bearing wheel 602 from skidding, increase factor of safety. And the support rod 603 is hinged, so that the transportation and storage can be facilitated.

The adjustable supporting leg 604 comprises a screw 605, a supporting leg 606, a rotating disc 607 and a rotating handle 608, a threaded hole 609 is formed in the supporting rod 603, the screw 605 can rotate and move up and down in the threaded hole 609 in a matched manner, the rotating disc 607 and the supporting leg 606 are respectively welded at the upper end and the lower end of the screw 605, and the rotating handle 608 is welded at the top edge of the rotating disc 607 and rotates in a matched manner with the rotating disc 607. When the adjustable supporting foot 604 is used, the screw 605 can be driven to move up and down to be adjusted by rotating the rotating handle 608, so that the adjustable supporting foot is suitable for different terrains.

The hand-pulling lifting device 5 comprises an outer platform fixed pulley 501, a middle platform movable pulley 502, a middle platform fixed pulley 503, an inner platform movable pulley 504, a middle platform pull rope 505, an inner platform pull rope 506 and a handle 507, wherein the handle 507 is arranged on the side surface of the outer platform 1, the outer platform fixed pulley 501 is arranged on the top of the outer platform 1, the middle platform movable pulley 502 and the middle platform fixed pulley 503 are respectively arranged at the bottom and the top of the middle platform 2, the inner platform movable pulley 504 is arranged at the bottom of the inner platform 3, one end of the middle platform pull rope 505 is fixed at the top of the outer platform 1, the other end of the middle platform pull rope sequentially penetrates through the outer platform fixed pulley 501 and the middle platform movable pulley 502 to be tied to the handle 507, one end of the inner platform pull rope 506 is fixed at the top of the middle platform 2, and the other end of the middle platform fixed pulley 503 and the inner platform movable pulley 504 sequentially penetrates through to be tied to the handle 507. When inner platform 3 is required to be lifted, inner platform pull rope 506 is pulled, inner platform movable pulley 504 moves towards middle platform fixed pulley 503, inner platform movable pulley 504 moves to drive inner platform 3 to move upwards, and inner platform 3 slides out of outer platform 1. When loosening inner platform pull rope 506, inner platform 3 is driven by gravity to move downwards, inner platform 3 drives inner platform movable pulley 504 to keep away from middle platform fixed pulley 503 when moving downwards, and inner platform 3 slides into middle platform 2. When the middle platform 2 is required to be lifted, the middle platform pull rope 505 is pulled, the middle platform movable pulley 502 moves towards the outer platform fixed pulley 501, the middle platform movable pulley 502 drives the middle platform 2 to move upwards when moving, and the middle platform 2 slides out of the outer platform 1. When the middle platform pull rope 505 is loosened, the middle platform 2 is driven by gravity to move downwards, the middle platform 2 drives the middle platform movable pulley 502 to be far away from the outer platform fixed pulley 501 when moving downwards, and the middle platform 2 slides into the outer platform 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Three lift platform that link of hand-pulling type, characterized by: including outer platform, well platform and interior platform, outer platform, well platform and interior platform slip cap step by step establish the setting, set up on well platform and the interior platform and prevent the gliding chucking subassembly of well platform and interior platform, the both sides of outer platform, well platform and interior platform set up hand power elevating gear respectively, and outer platform bottom sets up portable supporting seat.

2. The hand-pulling type triple-link lifting platform of claim 1, which is characterized in that: the clamping assembly comprises a U-shaped fixing piece, a torsional spring, a rotating shaft and a limiting piece, wherein the opening of the U-shaped fixing piece is arranged downwards, the limiting piece is long-strip-shaped, the middle part of the limiting piece inclines outwards to protrude to form a clamping part, the side face of the clamping part is provided with a separation blade, one end of the limiting piece is arranged on the U-shaped fixing piece through the rotating shaft, the torsional spring is sleeved on the rotating shaft, and the two ends of the torsional spring are respectively abutted against the inner wall and the separation blade of the U-shaped fixing piece.

3. The hand-pulling type triple-link lifting platform of claim 1, which is characterized in that: outer platform is erected the ladder and is erected the outer platform pull rod of ladder by the outer platform that sets up in both sides and the outer platform pull rod of the outer platform vertical ladder of fixed connection both sides, and outer platform vertical ladder includes outer platform montant and outer platform foot bar, two outer platform montant parallel arrangement, if between the fixed two outer platform montants of evenly distributed about the outer platform foot bar of an individual, outer platform spout is seted up to equal vertical direction on the outer platform vertical ladder inside wall of both sides outer platform vertical ladder, and well platform slides with outer platform spout cooperation.

4. The hand-pulling type triple-link lifting platform of claim 1, which is characterized in that: well platform is erected the ladder and is erected the well platform pull rod of ladder in the fixed connection both sides by the well platform that sets up in both sides and the well platform pull rod of platform in, well platform is erected the ladder and is included well platform montant and well platform foot bar, platform montant parallel arrangement in two, between the fixed two well platform montants of evenly distributed about a well platform foot bar, the well platform that the platform was erected the ladder in both sides erects the equal vertical direction on the ladder inside wall and offers outer platform spout, interior platform slides with well platform spout cooperation, all set up the chucking subassembly on the montant inner wall of the well platform vertical ladder of both sides, when well platform slides in outer platform, well platform pull rod block is at outer platform top.

5. The hand-pulling type triple-link lifting platform of claim 1, which is characterized in that: the interior platform is erected the ladder by the interior platform that sets up in both sides, the interior platform pull rod and the bearing platform of the vertical ladder of fixed connection both sides interior platform are constituteed, interior platform is erected the ladder and is included interior platform montant and interior platform foot bar, two interior platform montant parallel arrangement, if between the fixed two interior platform montants of evenly distributed about the interior platform foot bar, bearing platform erects on the interior platform foot bar of both sides, the bearing platform both sides set up the handrail, set up the dead lever between two handrails, all set up the chucking subassembly on the montant inner wall of the interior platform vertical ladder of both sides, interior platform montant top outside still is provided with the stopper, when interior platform slides in the well platform, the stopper block is at outer platform top.

6. The hand-pulling type triple-link lifting platform of claim 1, which is characterized in that: the movable supporting seat comprises a base, bearing wheels, supporting rods and adjustable supporting legs, the bearing wheels are arranged below four corners of the base respectively, the supporting rods are hinged at four corners of the base in the horizontal direction respectively, and the adjustable supporting legs are arranged at the end portions of the supporting rods.

7. The hand-pulling type triple-link lifting platform of claim 1, which is characterized in that: hand power elevating gear includes outer platform fixed pulley, well platform movable pulley, well platform fixed pulley, interior platform movable pulley, well platform stay cord, interior platform stay cord and handle, the handle sets up in the outer platform side, outer platform fixed pulley sets up at outer platform top, well platform movable pulley and well platform fixed pulley set up respectively in well platform bottom and top, platform bottom including interior platform movable pulley sets up, well platform stay cord one end is fixed at outer platform top, the other end then passes outer platform fixed pulley and well platform movable pulley in proper order and is on hand, interior platform stay cord one end is fixed at well platform top, the other end then passes well platform fixed pulley and interior platform movable pulley in proper order and is on hand.