CN221093581U

CN221093581U - Anti-falling lifting platform

Info

Publication number: CN221093581U
Application number: CN202322715856.4U
Authority: CN
Inventors: 李振聪; 张美菊
Original assignee: Xinxiang Keyan Lifting Machinery Co ltd
Current assignee: Xinxiang Keyan Lifting Machinery Co ltd
Priority date: 2023-10-10
Filing date: 2023-10-10
Publication date: 2024-06-07
Anticipated expiration: 2033-10-10

Abstract

The utility model discloses an anti-falling lifting platform, which comprises a lifting frame; and (3) lifting frames: the bottom wall of the elevator is provided with evenly distributed dampers, a lifting table is fixedly connected between the dampers, the upper surface of the lifting table is provided with guardrails, the middle part of the upper surface of the elevator is longitudinally symmetrically provided with mounting seats, a rotating shaft is connected between the two mounting seats through bearings in a rotating mode, pulleys are arranged in the middle of the rotating shaft, guide rail sliding seats which are vertically symmetrically distributed are arranged on the left side and the right side of the elevator, protective doors are hinged to the left side and the right side of the front surface of the guardrails through hinges which are vertically distributed, sockets are arranged on the front side of each protective door, cutting is inserted between the two inserting columns, an evenly distributed spring III is arranged between the bottom wall of the elevator and the lifting table, and the anti-falling lifting platform can prevent falling from rope breakage in the vertical moving process of the elevator through an elastic self-locking structure, so that the use safety performance of the device is effectively improved.

Description

Anti-falling lifting platform

Technical Field

The utility model relates to the technical field of lifting platforms, in particular to an anti-falling lifting platform.

Background

The elevator, also called lift work platform, is a multi-functional lift mechanical equipment, is usually used for rescue and fitment, generally can simply divide into scissor, guide rail type, aluminum alloy, when partial guide rail type lift platform used, at first with the direction slider on the elevating platform with the spout sliding connection of guide rail frame, later with the pulley of elevating platform upper end through the rope with the draw gear at guide rail frame top be connected, make draw gear pass through the rope drive pulley vertical movement through the control unit in-process, the direction slider is along the guide way vertical slip, thereby carry out lift regulation and control to the device, however in the device lift removal process, if the rope fracture, the device is through the vertical quick whereabouts of guide slider along the guide way, there is the hidden danger of falling.

Disclosure of utility model

The utility model aims to overcome the existing defects and provide the anti-falling lifting platform, and the anti-falling lifting platform can prevent rope breakage from falling in the vertical movement process of the lifting platform through the elastic self-locking structure, so that the use safety performance of the anti-falling lifting platform is effectively improved, and the problems in the background art can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an anti-falling lifting platform comprises a lifting frame;

And (3) lifting frames: the diapire is equipped with evenly distributed's attenuator, fixedly connected with elevating platform between the attenuator, the upper surface of elevating platform is equipped with the guardrail, the vertical symmetry in upper surface middle part of crane is equipped with the mount pad, be connected with the rotation axis through the bearing rotation between two mount pads, the middle part of rotation axis is equipped with the pulley, the left and right sides of crane all is equipped with vertical symmetric distribution's guide rail slide, the front surface left and right sides of guardrail all articulates through vertical distribution's hinge has the guard gate, the device can prevent falling the protection to the lift platform vertical shift in-process rope fracture through elasticity auto-lock structure, the safety in utilization ability of device is effectively improved.

Furthermore, the front side of the protective door is provided with sockets, and an inserting strip is inserted between the two sockets to lock the protective door in a closing mode.

Further, a third spring which is uniformly distributed is arranged between the bottom wall of the lifting frame and the lifting table, and the third spring is movably sleeved with the outer end of the adjacent damper, so that the lifting operation stability of the device is improved.

Further, the upper surface right side of crane is equipped with the auto-lock seat, the back wall of auto-lock seat is connected with the pivot through the bearing rotation, the middle part of pivot and the rear end of rotation axle all are equipped with the belt pulley, be connected through belt transmission between two belt pulleys, the diapire left end of auto-lock seat is equipped with the fixing base, sliding connection has slide one in the spout one that the right side was seted up of fixing base, slide one is equipped with rack board one through telescopic column one and spring one, spring one cup joints with telescopic column one's outer activity, the front end of pivot is equipped with gear one, gear one and rack board one cooperation installation, rack board one's right-hand member is equipped with the friction pad for the friction pad is in the elasticity shrink state in the crane removal process.

Further, the bottom wall of the self-locking seat is provided with a sliding seat II through a telescopic column II and a spring II, the spring II is movably sleeved with the outer end of the telescopic column II, and a sliding groove II formed in the lower side of the rack plate I is in sliding connection with the sliding seat II, so that the rack plate is elastically reset after moving downwards.

Further, still include rack board two, rack board two is located the inside of auto-lock seat, and the third sliding connection of spout on the left side of rack board two has the slide three, and the left side of slide three is equipped with the connecting seat through electric putter, and electric putter's input is connected with outside control switch's output electricity, and the rear end of connecting seat and the back wall fixed connection of auto-lock seat, the rear end of pivot are equipped with gear two, and gear two and rack board two cooperation installation regulate and control rack board two and gear two meshing.

Further, the front side lower extreme of rack board II is equipped with the synchronizing bar, and the front end of synchronizing bar and the four sliding connection of spout of rack board I's rear side are equipped with spacing seat on the upper surface right side of crane, and spacing seat and friction pad cooperation installation for rack board II drives rack board I through the synchronizing bar and moves vertically downwards in step.

Compared with the prior art, the utility model has the beneficial effects that: this lift platform that prevents falling has following benefit:

In the lifting frame lifting process, the pulley drives the rotating shaft to rotate positively, thereby the rotating shaft is connected through the transmission of belt pulley and belt and makes the rotating shaft rotate, thereby the rotating shaft drives the first gear and rotates, first gear makes rack plate drive friction pad level move left through being connected with rack plate first meshing, telescopic column one and first spring shrink, when the lifting platform moves down, pulley reversal indirectly drives the pivot and reverses, the telescopic end that makes electric putter through outside control switch this moment moves rack plate second left side through the three vertical downshifting of slide and is connected with second meshing of gear, gear second makes rack plate second through three vertical downshifting of slide through meshing connection, rack plate second makes rack plate move down through synchronizing bar and spout fourth thereby, right side through limiting seat to the self-locking friction seat moves spacingly, when the lifting frame rises the in-process, thereby make rack plate drive friction pad level move right to outside in the direction spout and with its lateral wall friction contact through the shrink elasticity of first spring, thereby prevent falling locking to the device in the lifting frame lifting process, thereby make two drive rack plate second through the compression elasticity of spring second and make in the falling protection device move down to the side wall through the side wall friction safety device, and then the safety device can be improved in the safety device.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a left side schematic view of the present utility model;

fig. 3 is an enlarged schematic view of the structure of the present utility model at a.

In the figure: 1 lifting frame, 2 damper, 3 spring three, 4 guide rail slide, 5 lifting platform, 6 guardrail, 7 guard gate, 8 socket, 9 cutting, 10 mount pad, 11 rotation axis, 12 pulley, 13 self-locking seat, 14 rotation axis, 15 belt pulley, 16 belt, 17 gear one, 18 fixing base, 19 slide one, 20 telescopic column one, 21 spring one, 22 rack plate one, 23 telescopic column two, 24 spring two, 25 slide two, 26 friction pad, 27 connecting seat, 28 electric putter, 29 slide three, 30 rack plate two, 31 gear two, 32 synchronizing bar, 33 spacing seat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present embodiment provides a technical solution: an anti-falling lifting platform comprises a lifting frame 1;

Lifting frame 1: the bottom wall of the lifting device is provided with dampers 2 which are uniformly distributed, a lifting table 5 is fixedly connected between the dampers 2, a guardrail 6 is arranged on the upper surface of the lifting table 5, mounting seats 10 are longitudinally symmetrically arranged in the middle of the upper surface of the lifting frame 1, a rotating shaft 11 is rotatably connected between the two mounting seats 10 through bearings, pulleys 12 are arranged in the middle of the rotating shaft 11, guide rail sliding seats 4 which are vertically and symmetrically distributed are respectively arranged on the left side and the right side of the lifting frame 1, a protective door 7 is hinged on the left side and the right side of the front surface of the guardrail 6 through vertically distributed hinges, sockets 8 are respectively arranged on the front side of the protective door 7, an inserting strip 9 is inserted between the two sockets 8, a spring three 3 which is uniformly distributed is movably sleeved with the outer ends of the adjacent dampers 2, the guide rail sliding seats 4 are arranged in a guide chute of an external lifting traction frame, and then the traction rope of the traction device is connected with the pulleys 12, when the lifting device is used, the protective door 7 is closed and locked through the inserting strip 9 and the sockets 8, the protective door 7 is matched with the guardrail 6, so that the lifting table 5 is prevented from moving by the spring three, and the vibration stability of the lifting device is improved in the process of the vibration damping device, and the vibration of the vibration device is prevented from moving by the vibration device;

Wherein, the right side of the upper surface of the lifting frame 1 is provided with a self-locking seat 13, the rear wall of the self-locking seat 13 is rotatably connected with a rotating shaft 14 through a bearing, the middle part of the rotating shaft 14 and the rear end of the rotating shaft 11 are both provided with belt pulleys 15, the two belt pulleys 15 are in transmission connection through a belt 16, the left end of the bottom wall of the self-locking seat 13 is provided with a fixed seat 18, a sliding seat I19 is in sliding connection with a sliding groove I arranged on the right side of the fixed seat 18, the right side of the sliding seat I19 is provided with a rack I22 through a telescopic column I20 and a spring I21, the spring I21 is movably sleeved with the outer end of the telescopic column I20, the front end of the rotating shaft 14 is provided with a gear I17, the gear I17 is matched with the rack I22, the right end of the rack plate I22 is provided with a friction pad 26, the bottom wall of the self-locking seat 13 is provided with a slide seat II 25 through a telescopic column II 23 and a spring II 24, the spring II 24 is movably sleeved with the outer end of the telescopic column II 23, a slide groove II formed in the lower side of the rack plate I22 is in sliding connection with the slide seat II 25, the self-locking seat also comprises a rack plate II 30, the rack plate II 30 is positioned in the self-locking seat 13, a slide seat III 29 is slidably connected in a slide groove III on the left side of the rack plate II 30, the left side of the slide seat III 29 is provided with a connecting seat 27 through an electric push rod 28, the input end of the electric push rod 28 is electrically connected with the output end of an external control switch, the rear end of the connecting seat 27 is fixedly connected with the rear wall of the self-locking seat 13, the rear end of the rotating shaft 14 is provided with a gear II 31, the gear II 31 is matched with the rack II 30, the lower end of the front side of the rack II 30 is provided with a synchronous rod 32, the front end of the synchronous rod 32 is in sliding connection with a sliding groove IV of the rear side of the rack I22, the right side of the upper surface of the lifting frame 1 is provided with a limit seat 33, the limit seat 33 is matched with the friction pad 26, the lifting frame 1 is driven by a traction device to vertically slide along the guide sliding groove through the guide sliding rail 4, the pulley 12 is rubbed with a traction rope to rotate around the axle center of the rotating shaft 11, the pulley 12 drives the rotating shaft 11 to positively rotate in the lifting process of the lifting frame 1, the rotating shaft 11 is connected with the belt 16 through the transmission of the belt pulley 15 to enable the rotating shaft 14 to rotate, the rotating shaft 14 drives the first gear 17 to rotate, the first gear 17 is meshed with the first rack plate 22 to enable the first rack plate 22 to drive the friction pad 26 to horizontally move left, the first telescopic column 20 and the first spring 21 shrink until the first rack plate 22 moves to the convex tooth at the right end of the upper side of the first rack plate and the left side of the lower end of the first gear 17, in the process, the second slide seat 25 adaptively slides along the second slide groove, the synchronous rod 32 adaptively slides along the fourth slide groove, when the lifting table 1 moves downwards, the pulley 12 is reversed to indirectly drive the rotating shaft 14 to rotate reversely, at the moment, the telescopic end of the electric push rod 28 drives the second rack plate 30 to move left through the third slide seat 29 to be meshed with the second gear 31 through an external control switch, the gear II 31 is connected in a meshed manner to enable the rack II 30 to move downwards vertically through the sliding seat III 29, the rack II 30 is connected with the sliding groove IV through the synchronizing rod 32 to enable the rack I22 to move downwards, in the process, the telescopic end of the telescopic II 23 and the spring II 24 are simultaneously contracted, the sliding seat I19 slides downwards vertically along the sliding groove I, the limiting seat 33 is used for limiting the right movement of the self-locking friction seat 26, when the lifting frame 1 ascends, the traction rope breaks, the shrinkage elasticity of the spring I21 enables the rack I22 to drive the friction pad 26 to move horizontally and right to the outside guide sliding groove and be in friction contact with the side wall of the guide sliding groove, thus anti-falling locking is carried out in the ascending process of the device, when the lifting frame 1 moves down in-process rope fracture, thereby make slide two 25 drive rack board one 22 and move up to the upper end of spacing 33 through the compression elasticity of spring two 24, later through spring one 21 through principle with the interior lateral wall friction contact of direction spout to fall protection is carried out to the device in-process that descends, this fall protection's lift platform can prevent falling protection to lift platform vertical movement in-process rope fracture through elasticity auto-lock structure, effectively improves the safety in utilization ability of device.

The working principle of the anti-falling lifting platform provided by the utility model is as follows: the guide rail sliding seat 4 is arranged in a guide chute of an external lifting traction frame, a traction rope of the traction device is connected with a pulley 12, when the device is used, the protective door 7 is closed and locked through the insertion connection of the cutting 9 and the socket 8, the protective door 7 is matched with the guardrail 6 to prevent falling and protect the lifting platform 5, the traction device drives the lifting frame 1 to vertically slide along the guide chute through the guide sliding rail 4, the pulley 12 is rubbed with the traction rope to rotate around the axle center of the rotating shaft 11, the pulley 12 drives the rotating shaft 11 to rotate positively in the lifting process of the lifting frame 1, the rotating shaft 11 is connected with a belt 16 through the transmission of the pulley 15 to rotate the rotating shaft 14, the first gear 17 is driven to rotate through the first gear 17, the first gear 22 is meshed and connected with the first gear plate 22 to drive the friction pad 26 to horizontally move left, the telescopic column one 20 and the spring one 21 shrink until the rack plate one 22 moves to the left side of the convex tooth at the right end of the upper side of the rack plate one and the lower end of the gear one 17, in the process, the slide seat two 25 slides along the slide groove two in a self-adaptive way, the synchronous rod 32 slides along the slide groove four in a self-adaptive way, when the lifting platform 1 moves downwards, the pulley 12 reverses to indirectly drive the rotating shaft 14 to reverse, at the moment, the telescopic end of the electric push rod 28 drives the rack plate two 30 to move leftwards through the slide seat three 29 to be meshed with the gear two 31 through an external control switch, the gear two 31 drives the rack plate two 30 to move downwards through the slide seat three 29 through a meshed connection, the rack plate two 30 drives the rack plate one 22 to move downwards through the synchronous rod 32 and the slide groove four, in the process, the telescopic end of the telescopic two 23 and the spring two 24 shrink simultaneously, the slide seat one 19 slides downwards along the slide groove one vertically, the limiting seat 33 limits the right movement of the self-locking friction seat 26, when the lifting frame 1 rises, the traction rope is broken, the first rack plate 22 drives the friction pad 26 to move horizontally and rightwards into the external guide chute and be in friction contact with the side wall of the guide chute through the shrinkage elastic force of the first spring 21, so that falling prevention locking is carried out in the rising process of the device, when the lifting frame 1 breaks down, the second rack plate 22 is driven to move upwards to the upper end of the limiting seat 33 through the compression elastic force of the second spring 24, then the first rack plate 22 is in friction contact with the side wall in the guide chute through the principle of the first spring 21, falling prevention protection is carried out in the falling process of the device, meanwhile, in the moving process of the device, shaking interference force of the device in the vertical moving process is absorbed through the elastic shrinkage of the third spring 4 and the damper 2, and the running stability of the device is improved.

It should be noted that the electric push rod 28 disclosed in the above embodiment may employ a GRA-L25, and the external control switch is provided with a control button corresponding to the electric push rod 28 for controlling the switch thereof.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. An anti-falling lifting platform which is characterized in that: comprises a lifting frame (1);

Lifting frame (1): the diapire is equipped with evenly distributed's attenuator (2), fixedly connected with elevating platform (5) between attenuator (2), the upper surface of elevating platform (5) is equipped with guardrail (6), the longitudinal symmetry in upper surface middle part of crane (1) is equipped with mount pad (10), be connected with rotation axis (11) through the bearing rotation between two mount pads (10), the middle part of rotation axis (11) is equipped with pulley (12), the left and right sides of crane (1) all is equipped with vertical symmetric distribution's guide rail slide (4), the front surface left and right sides of guardrail (6) all articulates there is guard gate (7) through vertical distributed's hinge.

2. The fall arrest lift platform of claim 1 wherein: the front side of the protective door (7) is provided with sockets (8), and an inserting strip (9) is inserted between the two sockets (8).

3. The fall arrest lift platform of claim 1 wherein: and a spring III (3) which is uniformly distributed is arranged between the bottom wall of the lifting frame (1) and the lifting table (5), and the spring III (3) is movably sleeved with the outer end of the adjacent damper (2).

4. The fall arrest lift platform of claim 1 wherein: the lifting frame is characterized in that a self-locking seat (13) is arranged on the right side of the upper surface of the lifting frame (1), a rotating shaft (14) is rotatably connected to the rear wall of the self-locking seat (13) through a bearing, belt pulleys (15) are arranged at the middle part of the rotating shaft (14) and the rear end of the rotating shaft (11), the two belt pulleys (15) are connected through a belt (16) in a transmission mode, a fixing seat (18) is arranged at the left end of the bottom wall of the self-locking seat (13), a sliding seat (19) is internally slide-connected to the right side of the fixing seat (18), a rack plate (22) is arranged on the right side of the sliding seat (19) through a telescopic column I (20) and a spring I (21), a gear I (17) is movably sleeved with the outer end of the telescopic column I (20), the front end of the rotating shaft (14) is provided with a gear I (17), the gear I (17) is matched with the rack plate I (22), and a friction pad (26) is arranged at the right end of the rack plate I (22).

5. The fall arrest lift platform as claimed in claim 4, wherein: the bottom wall of the self-locking seat (13) is provided with a second sliding seat (25) through a second telescopic column (23) and a second spring (24), the second spring (24) is movably sleeved with the outer end of the second telescopic column (23), and a second sliding groove formed in the lower side of the first rack plate (22) is in sliding connection with the second sliding seat (25).

6. The fall arrest lift platform as claimed in claim 4, wherein: still include rack board two (30), rack board two (30) are located the inside of auto-lock seat (13), and the third sliding connection of left spout of rack board two (30) has three (29), and the left side of three (29) of slide is equipped with connecting seat (27) through electric putter (28), and the input and the output electricity of outside control switch of electric putter (28) are connected, and the rear end and the back wall fixed connection of auto-lock seat (13) of connecting seat (27), and the rear end of pivot (14) is equipped with gear two (31), and gear two (31) are installed with rack board two (30) cooperation.

7. The fall arrest lift platform of claim 6 wherein: the front lower end of the rack plate II (30) is provided with a synchronizing rod (32), the front end of the synchronizing rod (32) is in sliding connection with a sliding groove IV on the rear side of the rack plate I (22), the right side of the upper surface of the lifting frame (1) is provided with a limiting seat (33), and the limiting seat (33) is matched with the friction pad (26).