CN218708392U - Lifting system - Google Patents

Abstract

The utility model relates to the technical field of lifting equipment, and provides a lifting system, which comprises a frame body, a driving assembly, a lift car and a top-rushing prevention device; the driving assembly comprises a bearing frame and a driving unit, the bearing frame is arranged on the frame body, and the driving unit is arranged on the bearing frame to drive the bearing frame to lift along the frame body; the lift car is arranged on the bearing frame; the anti-collision device is arranged at the top of the frame body and corresponds to the bearing frame, and a first buffer piece is arranged on one side of the anti-collision device facing the bearing frame. The utility model discloses a scour protection top mounted reduces the striking injury to improve the security.

Description

Lifting system

Technical Field

The utility model relates to a jacking equipment technical field especially relates to a lifting system.

Background

With the rapid development of the world economy, the high-altitude operation in various fields is more and more frequent. In order to improve the working efficiency of high-altitude operation and reduce the risk in the high-altitude operation process, various high-altitude elevators are also born. In the related art, the lift has potential safety hazard in the lifting process, and if the lift is out of control in the lifting process, if the lift stops untimely, the lift arrives at the lifting top and is collided, so that safety accidents are caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides an elevating system for there is the defect of the potential safety hazard of dashing the top in the lift among the solution prior art, through the buffering of scour protection top mounting, improves the elevating system security.

The utility model provides an elevating system, include:

a frame body;

the driving assembly comprises a bearing frame and a driving unit, the bearing frame is arranged on the frame body, and the driving unit is arranged on the bearing frame so as to drive the bearing frame to lift along the frame body;

the lift car is arranged on the bearing frame;

the anti-ejection device is arranged at the top of the frame body and corresponds to the bearing frame, and a first buffer piece is arranged on one side of the bearing frame facing the anti-ejection device.

According to the utility model provides a pair of lifting system, the scour protection top installation include the support with first bolster, the leg joint in the top of support body, first bolster is located the support face to one side of bearing frame.

According to the lifting system provided by the utility model,

the first buffer part comprises a plurality of buffers, and the buffers are arranged on the bracket at intervals.

According to the utility model provides a pair of lifting system, the bearing frame is close to the one end of first bolster is equipped with the backstop piece, the backstop piece be suitable for with first bolster backstop buffering.

According to the utility model provides a pair of lifting system, lifting system still includes the crashproof end device, the crashproof end device includes base and second bolster, the base is located the bottom of support body, the second bolster corresponds the bearing frame sets up.

According to the utility model provides a pair of lifting system, be equipped with the rack on the support body, drive unit includes:

the driving plate is connected with the bearing frame;

the driving motor is arranged on the driving plate;

and the driving gear is arranged on an output shaft of the driving motor and meshed with the rack, so that the driving motor drives the driving gear to move along the rack to drive the bearing frame to lift.

According to the utility model provides a pair of lifting system, drive unit still includes connecting plate and buffering strip, the connecting plate connect in the one end of bearing frame, buffering strip clamp is located the connecting plate with between the drive plate.

According to the utility model provides a pair of lifting system, drive unit still includes upper and lower limit switch, upper and lower limit switch locates the drive plate, lifting system still includes the spacing trigger plate of upper and lower limit, the spacing trigger plate of upper and lower limit is fixed in the support body, the spacing trigger plate of upper and lower limit is suitable for to trigger upper and lower limit switch, so that drive gear stops.

According to the utility model provides a pair of lifting system, drive assembly still includes the safety hook, the safety hook is located the bearing frame, just the safety hook is located the support body, the safety hook with be equipped with the clearance between the support body.

According to the utility model provides a pair of lifting system, drive assembly still includes the leading wheel subassembly, the leading wheel subassembly is located the bearing frame, the leading wheel subassembly includes two at least first leading wheels, at least two first leading wheel centre gripping the support body, with the direction the bearing frame is followed the support body goes up and down.

The utility model provides an elevating system supports the car through the support body and goes up and down, locates the bearing frame with the car, and the support body is movably located to the bearing frame to make the bearing frame drive the car and go up and down along the support body. The driving unit is arranged on the bearing frame to drive the bearing frame to lift along the frame body. In addition, be equipped with anti-collision device at the top of support body, anti-collision device is equipped with first bolster towards the one side that bears the frame, so, if when drive unit breaks down or the device that control drive unit stopped breaks down, drive unit drive bearing frame dashes to push up by first bolster buffering, reduces the striking injury to improve the security.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a lifting system provided by the present invention;

fig. 2 is a schematic structural view of another view angle of the lifting system provided by the present invention;

fig. 3 is a schematic view of a partial structure of the lifting system provided by the present invention;

fig. 4 is a schematic structural diagram of an anti-collision device in the lifting system provided by the present invention;

fig. 5 is a schematic structural view of a bottom collision prevention device in the lifting system provided by the present invention;

fig. 6 is a schematic view of a part of the structure of the lifting system provided by the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6 at A;

fig. 8 is a schematic structural view of a driving assembly in the elevator system provided by the present invention;

fig. 9 is a schematic view of another perspective of the hoist drive assembly provided by the present invention;

fig. 10 is a schematic structural diagram of a driving unit in the elevator system provided by the present invention;

fig. 11 is a schematic structural view of another view angle of the driving unit of the elevator system provided by the present invention;

fig. 12 is a schematic view of a part of the frame body of the lifting system provided by the present invention.

Reference numerals:

100. a lifting system; 1. a frame body; 101. a guide rail bracket; 102. attaching a wall frame; 1021. adjusting a rod; 1022. a connecting seat; 2. a drive assembly; 201. a bearing frame; 2011. a stop block; 202. a drive unit; 2021. a drive plate; 2022. a drive motor; 2023. a drive gear; 2024. an upper limit switch and a lower limit switch; 2025. a floor stop speed reducing switch; 2026. a connecting plate; 2027. an upper speed reduction switch; 2028. a lower speed reduction switch; 2029. an upper limit switch; 2030. a lower limit switch; 2031. an anti-falling safety device; 2032. a back wheel; 2034. a floor stopping limit switch; 203. a safety hook; 204. a guide wheel assembly; 2041. a first guide wheel; 3. a car; 301. a top door; 302. a guardrail; 4. an anti-ejection device; 401. a support; 402. a first buffer member; 4021. a polyurethane buffer; 5. a bottom collision prevention device; 501. a base; 502. a second buffer member; 5021. a spring support; 5022. a buffer spring; 6. a rack; 7. an upper limit trigger plate and a lower limit trigger plate; 8. a cable guide; 801. a cable guide; 802. a guide rail; 803. a guide rail bracket; 804. a cable arm; 805. a cable guide frame; 9. a landing; 10. a boarding platform; 11. stopping the floor to decelerate and stop the trigger plate; 12, an upper and lower speed reduction and upper and lower limit trigger plate; 13. and (7) fixing the hook.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a lifting system 100, which includes a frame body 1, a driving assembly 2, a car 3 and an anti-collision device 4; the driving assembly 2 comprises a bearing frame 201 and a driving unit 202, the bearing frame 201 is arranged on the frame body 1, and the driving unit 202 is arranged on the bearing frame 201 to drive the bearing frame 201 to lift along the frame body 1; the car 3 is arranged on the bearing frame 201; the top impact prevention device 4 is arranged at the top of the frame body 1 and corresponds to the bearing frame 201, and a first buffer piece 402 is arranged on one side of the top impact prevention device 4 facing the bearing frame 201.

The utility model provides an operating system 100 supports car 3 through support body 1 and goes up and down, locates bearing frame 201 with car 3, and support body 1 is movably located to bearing frame 201 to make bearing frame 201 drive car 3 go up and down along support body 1. The driving unit 202 is disposed on the bearing frame 201 to drive the bearing frame 201 to move up and down along the frame body 1. In addition, be equipped with anti-collision device 4 at the top of support body 1, anti-collision device 4 is equipped with first bolster 402 towards one side of bearing frame, and like this, if drive unit 202 broke down or when the device that control drive unit 202 stopped broke down, drive unit 202 drive bearing frame 201 dashes and is pushed up by first bolster 402 buffering, reduces the striking injury to improve the security.

In this embodiment, the frame body 1 may be constructed by using a standard section, and the bearing frame 201 may move along the extending direction of the standard section, thereby achieving the lifting. It can be understood that the bearing frame 201 can be disposed on the frame body 1 through a structure such as a roller or a guide wheel, so as to be rolled and abutted against the standard knot through the roller, so that the bearing frame 201 can be lifted along the frame body 1. Optionally, the car 3 may be fixed to the bearing frame 201 by a bolt connection or a snap connection, which is not limited herein, and it can be understood that the car 3 is disposed on a side of the bearing frame 201 opposite to the frame body 1 to avoid affecting the movement of the bearing frame 201 along the frame body 1. Note that the car 3 is provided with an accommodating space for accommodating a person or a load and a front door for opening or closing the accommodating space.

Illustratively, the driving unit 202 is in transmission connection with the rack body 1, so that the driving unit 202 is disposed on the bearing frame 201 and can drive the bearing frame 201 to move and lift along the rack body 1. In an embodiment, the driving unit 202 is connected to the frame body 1 through a rack and pinion 6 structure, or connected to the frame body 1 through a belt transmission, a chain transmission, or the like, so that the driving unit 202 follows the bearing frame 201 to ascend and descend along the frame body 1.

It should be noted that the first cushion member 402 cushions the carrier 201, that is, the carrier 201 impacts the first cushion member 402. Because drive unit 202 locates bearing frame 201 and drives it, it is pointed to buffer and compare in buffering 3 car to bearing frame 201, can avoid first bolster 402 direct impact car 3 simultaneously, leads to car 3 to damage in order to cause the injury to the inside personnel of car 3. It can be understood that the bearing frame 201 is used as a part for bearing the car 3, has higher structural strength, is relatively impact-resistant, and can ensure certain safety. In addition, if cushion to car 3, when taking place to dash and push up, first bolster 402 is to the effort of car 3 downwards, and bearing frame 201 drives car 3 and upwards promotes, and both opposite directions lead to easily that car 3 and bearing frame 201 junction pine takes off after first bolster 402 and the collision of car 3, and the security is low. The buffer is performed on the bearing frame 201, so that the driving force of the driving unit 202 on the bearing frame 201 can be offset, and the buffer effect is improved.

As shown in fig. 4, according to the present invention, the lifting system 100, the anti-collision device 4 comprises a bracket 401 and a first buffering member 402, the bracket 401 is connected to the top of the frame body 1, the first buffering member 402 is disposed on one side of the bracket 401 facing the bearing frame 201, the first buffering member 402 can be a buffer, and the buffer can be a polyurethane buffer 4021, a spring buffer or an oil buffer.

In this embodiment, the support 401 is in the shape of a strip plate and is adapted to one end of the bearing frame 201 for buffering. The longitudinal section of the bracket 401 is L-shaped, one side of the bracket is connected with the bracket body 1, and the bottom of the bracket 401 is provided with a first buffer piece 402. Alternatively, the bracket 401 may be fixed to one side of the body 1 by U-bolts, and in particular, the U-bolts may be fastened to the body 1 by nuts, passing through the bracket 401, and surrounding the standard knot. The connection manner of the first buffer 402 and the bracket 401 may be a screw connection, a snap connection, or an insertion connection, which is not limited herein.

According to the utility model provides a pair of lift system 100 to first bolster 402 includes two polyurethane buffers 4021 as an example, and support 401 is located to two polyurethane buffers 4021 intervals. It can be understood that, in order to make the force applied to the bearing frame 201 uniform, two polyurethane buffers 4021 are arranged on the bracket 401, and the two polyurethane buffers 4021 are spaced apart from each other, optionally, the two polyurethane buffers 4021 are symmetrically arranged about the midpoint of the bracket 401, when the bearing frame 201 collides with the polyurethane buffers 4021, the end of the bearing frame 201 is simultaneously buffered by the two polyurethane buffers 4021, and the buffering effect is improved.

As shown in fig. 8, according to the present invention, the bearing frame 201 is provided with a stop block 2011 near the first buffer member 402, and the stop block 2011 is suitable for stopping and buffering with the first buffer member 402.

In this embodiment, the stop block 2011 is disposed corresponding to the first buffering member 402, so that the first buffering member 402 is adapted to buffer the first buffering member, thereby improving the buffering effect. Illustratively, the two stop blocks 2011 are respectively disposed at two opposite sides of the carrier 201 to respectively cushion the two polyurethane buffers 4021 of the first cushion 402. Optionally, the stop block 2011 may be integrally formed with the bearing frame 201, for example, the stop block 2011 is convexly formed on a sidewall of the bearing frame 201, so as to improve connection strength, to bear buffering impact with the first buffer member 402, and reduce a risk of falling off of the stop block 2011. Of course, the stopper 2011 may be fixed to the bearing frame 201 by welding, or the like, and is not limited herein as long as the stopper 2011 can be fixed to the bearing frame 201.

Please refer to fig. 1, fig. 2 and fig. 5 in combination, according to the present invention, the lifting system 100 further includes an anti-collision bottom device 5, the anti-collision bottom device 5 includes a base 501 and a second buffer member 502, the base 501 is disposed at the bottom of the frame body 1, and the second buffer member 502 is disposed corresponding to the bearing frame 201.

In order to avoid that the drive unit 202 fails and the car 3 hits the bottom, a bottom collision prevention device 5 is arranged at the bottom of the frame body 1. It can be understood that the frame body 1 can be connected with the base 501, so that the stress area between the frame body 1 and the ground is increased, and the stability of the frame body 1 is improved. The base 501 corresponds bearing frame 201 and car 3 setting, and the second bolster 502 is located the one side that base 501 faces bearing frame 201, and when bearing frame 201 descends and collides in second bolster 502, cushions by second bolster 502, reduces the collision injury to improve the security. It can be understood that the second buffer member 502 is disposed corresponding to the load-bearing frame 201 to buffer the load-bearing frame 201, that is, the first buffer member 402 buffers the load-bearing frame 201, and the second buffer member 502 buffers the load-bearing frame 201, so that the top impact and bottom impact injuries of the lifting system 100 are reduced, and the safety is improved. If cushion to car 3, when taking place to hit the end, second bolster 502 is towards the top to the effort of car 3, and bearing frame 201 drives car 3 downstream, and both opposite directions lead to easily that car 3 and bearing frame 201 junction pine takes off after second bolster 502 and the collision of car 3, and the security is low. The buffer is performed on the bearing frame 201, so that the driving force of the driving unit 202 on the bearing frame 201 can be offset, and the buffer effect is improved.

As shown in fig. 5, according to the lifting system 100 provided by the present invention, the second buffer member 502 includes a spring support 5021 and two buffer springs 5022, the spring support 5021 is disposed on one side of the base 501 facing the bearing frame 201; two buffer springs 5022 are provided at intervals on the spring support 5021.

In this embodiment, the spring support 5021 is long and is adapted to the load-bearing frame 201, and two buffer springs 5022 are disposed on one side of the spring support 5021 facing the load-bearing frame 201 to buffer the load-bearing frame 201. It can be understood that, in order to make the bearing frame 201 evenly stressed, two buffer springs 5022 are disposed on the spring support 5021, the two buffer springs 5022 are spaced apart from each other, optionally, the two buffer springs 5022 are symmetrically disposed about a midpoint of the spring support 5021, when the bearing frame 201 collides with the buffer springs 5022, the end of the bearing frame 201 is simultaneously buffered by the two buffer springs 5022, and the buffering effect is improved. Alternatively, the spring support 5021 may be bonded, welded, screwed, or integrally formed with the base 501, which is not limited herein. The buffer spring 5022 and the spring support 5021 can be connected by bonding, welding or screwing, but is not limited thereto.

Referring to fig. 6, fig. 8, fig. 9, fig. 10 and fig. 11, according to the lifting system 100 of the present invention, the rack 6 is disposed on the frame body 1, the driving unit 202 includes a driving plate 2021, a driving motor 2022 and a driving gear 2023, the driving plate 2021 is connected to the bearing frame 201; the driving motor 2022 is arranged on the driving board 2021; the driving gear 2023 is disposed on an output shaft of the driving motor 2022, and the driving gear 2023 is engaged with the rack 6, so that the driving motor 2022 drives the driving gear 2023 to move along the rack 6, thereby driving the bearing frame 201 to ascend and descend.

In this embodiment, the driving motor 2022 is operated to drive the driving gear 2023 to rotate, so that the whole body moves up and down along the rack 6 on the frame body 1. It is understood that the connection manner of the driving plate 2021 and the bearing frame 201 may be a snap connection, a plug connection, or a bolt connection, which is not limited herein. Alternatively, the driving motor 2022 is fixed to a side of the driving plate 2021 opposite to the frame body 1, an output shaft of the driving motor 2022 movably penetrates through the driving plate 2021, the driving gear 2023 is disposed on a side of the driving plate 2021 facing to the frame body 1 so as to be engaged with the rack 6, the driving gear 2023 is sleeved on the output shaft of the driving motor 2022, and the driving motor 2022 operates to enable the driving gear 2023 to move along the rack 6. That is to say, the driving unit 202 and the bearing frame 201 move integrally along the rack 6, so that the bearing frame 201 drives the car 3 to ascend and descend, and people or objects are carried to ascend and descend.

As shown in fig. 8, according to the lifting system 100 provided by the present invention, the driving unit further includes a connecting plate 2026 and a buffering strip, the connecting plate 2026 is connected to one end of the bearing frame 201, and the buffering strip is sandwiched between the connecting plate 2026 and the driving plate 2021.

It will be appreciated that the connecting plate 2026 may be used to connect two sides of the carrier 201 to improve the structural stability of the carrier 201. Meanwhile, the bearing frame 201 is easy to vibrate in the lifting process, so that the drive plate 2021 generates certain vibration, and the buffer strip is arranged between the connecting plate 2026 and the drive plate 2021, so that the vibration of the drive plate 2021 can be buffered by the buffer strip, the risk of loosening of the drive plate 2021 due to vibration is reduced, and the damage caused by collision between the drive plate 2021 and the connecting plate 2026 can also be prevented.

As shown in fig. 6, according to the present invention, a rack 6 extends vertically along the height direction of the frame body 1, and the top end of the rack 6 is spaced from the top end of the frame body 1.

In this embodiment, rack 6 extends perpendicularly along the direction of height of support body 1 to make car 3 vertical lift, and set up the top of rack 6 and the top looks interval of support body 1. Thus, when the driving gear 2023 runs over the top end of the rack 6, the driving gear 2023 is separated from the rack 6, the lift car 3 loses the ascending power, the impact injury is reduced, and the safety is improved. It can be understood that due to inertia, the bearing frame 201 and the car 3 still decelerate and move upwards, and finally the bearing frame 201 collides with the first buffer member 402 on the anti-collision device 4, so that the car 3 stops, and the safety of personnel and materials in the car 3 is ensured.

Referring to fig. 6, fig. 10 and fig. 11, according to the present invention, the driving unit 202 further includes an upper limit switch 2024 and a lower limit switch 2024, the upper limit switch 2024 and the lower limit switch 2024 are disposed on the driving board 2021, and the upper limit switch 2024 and the lower limit switch 2024 are respectively connected to an input end of the controller, and an output end of the controller is connected to the corresponding contactor, so as to control the operating state of the driving motor 2022. The lifting system 100 further comprises an upper limit trigger plate 7 and a lower limit trigger plate 7, the upper limit trigger plate 7 and the lower limit trigger plate 7 are fixed on the frame body 1, and the upper limit trigger plate 7 and the lower limit switch 2024 are suitable for triggering the upper limit switch 2024 and the lower limit switch to stop the driving gear 2023. The controller can adopt a PLC controller, a singlechip and the like.

In this embodiment, the upper and lower limit switches 2024 are used to limit the upper and lower limit positions of the driving plate 2021, so as to prevent the car 3 from bumping against the top or hitting the bottom. It can be understood that, in order to facilitate the triggering of upper and lower limit switches 2024, upper and lower limit trigger plates 7 are provided on rack body 1, and optionally, upper and lower limit trigger plates 7 include upper limit trigger plates and lower limit trigger plates, which can be triggered by upper and lower limit switches 2024, respectively, so as to control upper and lower limit switches 2024 to be at the upper and lower limit positions of rack body 1. When the driving board 2021 drives the upper and lower limit switches 2024 to move to the positions of the upper limit trigger board or the lower limit trigger board, the upper limit trigger board or the lower limit trigger board triggers the upper and lower limit switches 2024, so that the controller controls the driving motor 2022 to stop. As shown in fig. 7, it can be understood that the upper and lower limit limiting trigger plates 7 are fixed to the frame body 1 through the fixing hooks 13 to fix the upper and lower limit limiting trigger plates 7 to the frame body 1 in a snap-fit connection manner, so that the assembly and disassembly are convenient, and of course, in other embodiments, the upper and lower limit limiting trigger plates 7 may be fixed to the frame body 1 through bolts to improve the connection stability between the upper and lower limit limiting trigger plates 7 and the frame body 1.

Referring to fig. 6, fig. 10 and fig. 11, for example, the driving unit 202 further includes an upper deceleration switch 2027, a lower deceleration switch 2028, an upper limit switch 2029 and a lower limit switch 2030, each of which is connected to an input end of the controller, and an output end of the controller is connected to a corresponding contactor, so as to control the operating state of the driving motor 2022. The lifting system 100 further comprises an upper and lower deceleration and upper and lower limit trigger plate 12, and the upper and lower deceleration and upper and lower limit trigger plate 12 comprises an upper deceleration and upper limit trigger plate and a lower deceleration and lower limit trigger plate, it can be understood that the upper deceleration and upper limit trigger plate and the lower deceleration and lower limit trigger plate are arranged at intervals on the frame body 1, and the upper deceleration and upper limit trigger plate is located above the lower deceleration and lower limit trigger plate. When the car 3 moves upwards to a certain position, the upper speed reducing switch 2027 is triggered by the upper speed reducing and upper limiting trigger plate, the car 3 starts to reduce speed, and when the car decelerates to a certain position, the upper limiting switch 2029 is triggered by the upper speed reducing and upper limiting trigger plate, so that the car 3 stops; when the car 3 moves downward to a certain position, the lower speed reducing switch 2028 is triggered by the lower speed reducing and lower limiting trigger plate, the car 3 starts to reduce speed, and when the car decelerates to a certain position, the lower limiting switch 2030 is triggered by the lower speed reducing and lower limiting trigger plate, and the car 3 stops.

Specifically, the trigger end of the upper and lower limit switches 2024 movably penetrates through the driving board 2021, so that the trigger end contacts with the trigger part of the upper and lower limit trigger board 7, and it can be understood that, during the lifting process of the driving board 2021, the trigger part of the upper and lower limit trigger board 7 triggers the trigger end of the upper and lower limit switches 2024, thereby triggering and controlling the driving motor 2022 to stop. The trigger principle of the upper speed reducing switch 2027 and the lower speed reducing switch 2028 is the same as that of the upper limit switch 2024, and the description thereof is omitted.

In one embodiment, the lifting system 100 further comprises an anti-falling safety device 2031 and a back wheel 2032, it can be understood that when extreme conditions such as the breakage of the driving shaft occur, the bearing frame 201 will slide down in an accelerated manner, and when the speed reaches the set triggering speed of the anti-falling safety device 2031, the anti-falling safety device 2031 is triggered to lock the bearing frame 201 on the guide rail frame 101, so as to improve the safety. Meanwhile, the driving gear 2023 and the gear on the anti-falling safety device 2031 are well meshed with the rack 6 on the guide rail frame 101, and the back wheel 2032 presses the back of the rack 6, so that the connection stability is improved.

As shown in fig. 9, according to the present invention, the driving assembly 2 further includes a safety hook 203, the safety hook 203 is disposed on the bearing frame 201, the safety hook 203 is disposed on the frame body 1, and a gap is disposed between the safety hook 203 and the frame body 1.

In this embodiment, the safety hook 203 can be the L shape, and the support body 1 is located to the safety hook 203 hook, and when bearing frame 201 normally goes up and down, the safety hook 203 and the support body 1 looks interval avoid influencing that bearing frame 201 goes up and down. If the bearing frame 201 is derailed, the safety hook 203 abuts against the frame body 1, so that the bearing frame 201 and the car 3 can be prevented from tipping, and the safety is further improved. Alternatively, the number of the safety hooks 203 may be multiple, for example, four safety hooks 203 are respectively disposed at four corners of the bearing frame 201 to improve the protection effect.

According to the utility model provides a pair of lifting system 100, drive assembly 2 still include leading wheel subassembly 204, and bearing frame 201 is located to leading wheel subassembly 204, and leading wheel subassembly 204 includes two at least first leading wheels 2041, two at least first leading wheels 2041 centre gripping support body 1 to the direction bearing frame 201 goes up and down along support body 1.

Taking the two first guide wheels 2041 as an example, a gap is formed between the two first guide wheels 2041, so that the two first guide wheels 2041 clamp the frame body 1. It can be understood that the axes of the two first guiding wheels 2041 are parallel, and the outer peripheries of the two first guiding wheels 2041 are in rolling contact with the frame body 1, so as to realize that the guide bearing frame 201 ascends and descends along the frame body 1. For example, the number of the first guide wheels 2041 may also be three, and three first guide wheels 2041 clamp the frame body 1 from three directions, so as to improve the connection stability of the bearing frame 201 and the frame body 1 and reduce the shaking of the bearing frame 201. Through the lift of first leading wheel 2041 direction bearing frame 201 along support body 1, still can be convenient for stabilize bearing frame 201 in support body 1, reduce the pine and take off the risk, improved the security.

According to the utility model provides a lifting system 100, the first guide wheel 2041 comprises an installation shaft, a bearing and a roller, the installation shaft is provided with an eccentric hole, and the installation shaft is connected with the bearing frame 201 through the eccentric hole; the bearing sleeve is arranged on the mounting shaft; the roller is sleeved on the bearing; the installation axle, bearing and gyro wheel coaxial setting, and the axial eccentric setting of the relative installation axle of eccentric orfice.

In this embodiment, the installation axle is equipped with the eccentric orfice, and the central line of eccentric orfice and the central line of installation axle are not overlapped promptly, and the installation axle sets firmly in bearing frame 201 through the eccentric orfice, then when installing the axle, through installing the installation axle and rotate to installing after the suitable angle, can adjust the distance between gyro wheel and the support body 1 to the outer peripheral edges of gyro wheel laminate in support body 1, so that the gyro wheel can with 1 roll butt of support body, thereby the direction bearing frame 201 is along 1 elevating movement of support body.

In this embodiment, the frame body 1 extends in the vertical direction, and it can be understood that the roller is rotatable through the bearing, so that the roller is in rolling contact with the frame body 1. It should be noted that the eccentric hole is disposed eccentrically relative to the mounting shaft, so that the center of the eccentric hole deviates from the rotation center of the roller, and thus the roller can rotate normally when rolling against the frame body 1. That is to say, under the fixed condition of mounted position on bearing frame 201, rotatory installation axle adjustment installation fixed angle, can adjust the distance between gyro wheel and the support body 1, avoided leading to the condition that the gyro wheel can't contact with support body 1 because of machining error.

In this embodiment, the axis of the mounting shaft is parallel to the center line of the eccentric hole and does not coincide with the center line of the eccentric hole, the mounting shaft is mounted on the bearing frame 201 through the eccentric hole, and the roller is mounted on the mounting shaft through a bearing to realize rotation. It can be understood that, the distance between the periphery wall of a bit position on the definition eccentric orfice pore wall and installation axle is the thickness of installation axle, then when installing the one side that installation axle thickness is thicker towards 1 direction of support body, the gyro wheel can be more close support body 1, avoids gyro wheel and 1 contact failure of support body. On the contrary, when the thinner side of the mounting shaft is mounted towards the direction of the frame body 1, the distance between the roller and the frame body 1 is farther, so that the roller and the frame body 1 are prevented from interfering with each other and can not be mounted. It should be noted that, by rotating the mounting shaft along the circumferential direction of the mounting shaft, the orientations of the mounting shaft at different thickness positions can be adjusted, so as to adjust the distance between the roller and the frame body 1.

Referring to fig. 9, according to the present invention, the driving assembly 2 includes a plurality of guide wheel assemblies 204, and the plurality of guide wheel assemblies 204 are arranged around the periphery of the bearing frame 201 at intervals. In this embodiment, the number of the guide wheel assemblies 204 is four, and the guide wheel assemblies 204 are distributed at four corners of the bearing frame 201, so that the bearing frame 201 is uniformly stressed when being guided to the frame body 1 by the guide wheel assemblies 204, and the connection stability is improved. Of course, the number of the guide wheel assemblies 204 may be six or eight, and other numbers, which are not limited herein.

As shown in fig. 3, according to the present invention, a guardrail 302 is disposed on the top of the car 3, and a top door 301 is disposed on the top plate of the car 3.

In this embodiment, when the elevator system 100 fails to cause the car 3 to stay in midair, the person in the car 3 can open the top door 301 to reach the top of the car 3, and in order to ensure the safety of the person on the top of the car 3, a guardrail 302 is provided on the top of the car 3, and the guardrail 302 can surround the periphery of the top of the car 3. It can be understood that driving motor 2022 follows car 3 and moves together, so, when the personnel in the car 3 climbed to the top of car 3, can break driving motor 2022's manual release lever off with the fingers and thumb, open driving motor 2022's band-type brake to make bearing frame 201 drive car 3 and descend slowly, until reaching support body 1 bottom safely, thereby guarantee the safety of personnel and material.

As shown in fig. 12, according to the present invention, a lifting system 100 is provided, in which a frame body 1 includes a guide rail frame 101 and a wall-attached frame 102, and a bearing frame 201 is movably disposed on the guide rail frame 101; the wall attaching frame 102 is arranged on one side of the guide rail frame 101, which is opposite to the bearing frame 201, and the wall attaching frame 102 is used for being connected and fixed with an external structure.

In this embodiment, the guide rail frame 101 is a rectangular frame structure, and the guide rail frame 101 uses a standard knot vertically arranged as a main beam, so that the lifting operation of the bearing frame 201 can be guided through the cooperation of the standard knot and the guide wheel assembly 204. Illustratively, two adjacent standard joints can be selected as a track, and the bearing frame 201 can be lifted and lowered along the frame body 1 through the guide wheel assembly 204.

It can be understood that the wall attachment frame 102 may be connected to the rail frame 101 by U-shaped bolts and fixed by nuts, the wall attachment frame 102 includes at least two adjusting rods 1021, both of the two adjusting rods 1021 are connected to the rail frame 101, and the other end of the adjusting rod 1021 is used for connecting to an external structure, thereby stabilizing the rail frame 101. Optionally, two adjusting rods 1021 are rotatably connected to the rail frame 101 to adjust the connection angle with the structure for easy connection. Alternatively, the lengths of the two adjusting rods 1021 may be the same or different, so as to adjust the connection angle with the structure, and the lengths of the two adjusting rods 1021 are not limited herein. Optionally, one end of the two adjusting rods 1021 far from the guide rail frame 101 is connected to the external structure through the connecting base 1022, and it can be understood that the two adjusting rods 1021 can be rotatably connected to the connecting base 1022, so as to adjust the connecting angle with the external structure, and facilitate the connection between the two. Of course, in other embodiments, the wall-attached rack 102 may also include three adjusting rods 1021, wherein the third adjusting rod 1021 and the other two adjusting rods 1021 are disposed at an interval to enhance the connection stability and improve the adjusting capability, and the number of the adjusting rods 1021 is not limited herein. Meanwhile, a connection seat 1022 may be further disposed at an end of the third adjustment rod 1021 remote from the rail frame 101, so as to facilitate connection with an external structure. Optionally, each of the adjusting rods 1021 is a telescopic rod, which can be extended and retracted, so as to adjust the length of the adjusting rod 1021 to connect with an external structure.

As shown in fig. 3, according to the present invention, the lifting system 100 further includes a cable guide 8, the cable guide 8 is connected to the frame body 1 and can slide along the frame body 1. The cable guide device 8 comprises a cable guide 801 and a guide rail 802, the guide rail bracket 803 is fixed on the guide rail bracket 101, the guide rail 802 is fixed with the guide rail bracket 803 through bolts and nuts, a cable ram is fixed on the guide rail bracket 101 through U-shaped bolts, a cable arm 804 is fixed on the bearing frame 201 through bolts, the cable guide bracket 805 is fixed with the guide rail 802 through bolts and nuts, a guide wheel is arranged on one side of the cable guide 801 facing the guide rail 802, and the guide wheel on the cable guide 801 is clamped in a groove of the guide rail 802, so that the cable guide 801 can slide up and down along the guide rail 802. In this manner, the cable may be routed around the cable guide 801 and through the cable arm 804 to be connected to the drive plate 2021 or the car 3, illustratively, the cable guide 801 pulls the guide cable up and down like a traveling block. The cable guiding device 8 adopts the guide rail 802 as an inner clamping type, the cable guider 801 is provided with a unique guide wheel, and the guide wheel is clamped in a groove of the guide rail 802, so that the cable guider 801 can be ensured to stably run along the vertical guide rail 802, the normal power supply of the lifting system is ensured, and further the safety of personnel and materials in the running process of the lifting system 100 is ensured.

As shown in fig. 2, according to the lifting system 100 provided by the present invention, the lifting system 100 further includes a boarding platform 10 and a landing 9, the boarding platform 10 is located at one side of the bottom of the frame body 1, and when the car 3 needs to be used for lifting, the boarding platform 10 can be climbed for waiting so as to enter the car 3. It can be understood that the landing 9 is provided on the frame body 1, the landing 9 is provided with a landing door, when a person riding the car 3 arrives at the landing 9, the car 3 can arrive at the landing 9 at a designated position, and the operation at a designated height position is facilitated, and it can be understood that one landing 9 is provided corresponding to the boarding platform 10. The number of the landings 9 may be plural, and the plural landings 9 are provided at intervals in the vertical direction of the frame body 1, which is not limited herein.

It can be understood that when the load of the elevator is exceeded by the person or material in the car 3, the floor (overload protection) at the bottom of the car 3 gives a signal and the elevator system 100 gives an alarm to stop running, ensuring the safety of the elevator system 100 and the person or material. Personnel or materials are reduced until the load is less than or equal to the rated load of the lifting system 100, and the lifting system 100 can normally run after the alarm is removed.

According to the utility model provides a pair of lift system 100 is equipped with down the electricity box in boarding platform 10 department, when lift system 100 is used to needs, will descend the electricity box to transfer into and open the shelves, makes a whole set of lift system 100 circular telegram. The subsequent steps are that when a person arrives at the boarding platform 10, the ascending button on the operation box is operated, when the car 3 is not at the boarding platform 10, the car 3 moves downwards, when the car 3 moves downwards to a certain position, the lower speed reducing switch 2028 is triggered by the lower speed reducing and lower limiting trigger plate, the car 3 starts to reduce speed, when the car 3 reduces speed to a certain position, the lower limiting switch 2030 is triggered by the lower speed reducing and lower limiting trigger plate, and the car 3 stops. When the landing door is opened, the electromechanical interlocking mechanism of the landing door is triggered, at the moment, the lifting system 100 cannot run, the front door of the car 3 is opened, the electromechanical interlocking mechanism of the front door of the car 3 is triggered, the lifting system 100 also cannot run, the landing door is closed, the electromechanical interlocking mechanism of the landing door returns to the initial position, personnel or materials enter the car 3, the front door of the car 3 is closed, the electromechanical interlocking mechanism of the front door of the car 3 returns to the initial position, the operation panel in the car 3 is operated, the flat position to be reached is selected, and the car 3 starts to run upwards. Referring to fig. 6 and 7, when the car 3 passes through a position where no landing is required, the car 3 will not decelerate and will pass through at a rated speed, when a specified leveling is about to be reached, the landing deceleration switch 2025 and the landing deceleration and stop trigger plate 11 are triggered, the car 3 starts to decelerate, and when the car decelerates to a certain position, the landing limit switch 2034 and the landing deceleration and stop trigger plate 11 are triggered, and the car 3 stops. The front door of the car 3 is opened, the electromechanical interlocking mechanism of the front door of the car 3 is triggered, at the moment, the lifting system 100 cannot run, the landing door is opened, the electromechanical interlocking mechanism of the landing door is triggered, at the moment, the lifting system 100 cannot run, the front door of the car 3 is closed, personnel or materials reach the outside of the appointed landing 9, the landing door is closed, at the moment, the electromechanical interlocking mechanism of the front door of the car 3 and the landing door are both restored to the initial state, and the lifting system 100 can run normally. When the lifting system 100 needs to reach the top landing 9, after a person enters the car 3, an operation panel in the car 3 is operated, a top button is selected, the car 3 starts to run, when the car 3 is about to run at the position of the top landing 9, the upper speed reducing switch 2027 is triggered by the upper speed reducing and upper limiting trigger plate, the car 3 starts to reduce speed, and when the car is reduced to a certain position, the upper limiting switch 2029 is triggered by the upper speed reducing and upper limiting trigger plate, and the car 3 stops.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. A lift system, comprising:

a frame body;

the driving assembly comprises a bearing frame and a driving unit, the bearing frame is arranged on the frame body, and the driving unit is arranged on the bearing frame so as to drive the bearing frame to lift along the frame body;

the lift car is arranged on the bearing frame;

the anti-ejection device is arranged at the top of the frame body and corresponds to the bearing frame, and a first buffer piece is arranged on one side of the bearing frame facing the anti-ejection device.

2. The lift system of claim 1, wherein the anti-bumping device comprises a bracket and the first buffer, the bracket is connected to the top of the frame body, and the first buffer is disposed on a side of the bracket facing the bearing frame.

3. The lift system of claim 2, wherein the first buffer includes a plurality of buffers spaced apart from the frame.

4. The lift system of claim 2, wherein the load bearing frame is provided with a stop block at an end adjacent to the first buffer member, the stop block adapted to stop buffer with the first buffer member.

5. The lifting system according to claim 1, further comprising a bottom collision prevention device, wherein the bottom collision prevention device comprises a base and a second buffer member, the base is disposed at the bottom of the frame body, and the second buffer member is disposed corresponding to the bearing frame.

6. The lift system of claim 1, wherein a rack is provided on the frame body, and the driving unit comprises:

the driving plate is connected with the bearing frame;

the driving motor is arranged on the driving plate;

and the driving gear is arranged on an output shaft of the driving motor and meshed with the rack, so that the driving motor drives the driving gear to move along the rack to drive the bearing frame to lift.

7. The lift system of claim 6, wherein the drive unit further comprises a connecting plate connected to an end of the carrier and a bumper strip sandwiched between the connecting plate and the drive plate.

8. The lifting system according to claim 7, wherein the driving unit further comprises upper and lower limit switches disposed on the driving plate, and further comprises upper and lower limit trigger plates fixed to the frame body, the upper and lower limit trigger plates being adapted to trigger the upper and lower limit switches to stop the driving gear.

9. The lifting system according to any one of claims 1 to 8, wherein the driving assembly further comprises a safety hook, the safety hook is disposed on the bearing frame, the safety hook is disposed on the frame body, and a gap is disposed between the safety hook and the frame body.

10. The lifting system according to any one of claims 1 to 8, wherein the driving assembly further comprises a guide wheel assembly, the guide wheel assembly is disposed on the bearing frame, and the guide wheel assembly comprises at least two first guide wheels, and the at least two first guide wheels clamp the frame body to guide the bearing frame to lift along the frame body.

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