CN109850825B - Movable material loading and unloading elevating gear - Google Patents

Movable material loading and unloading elevating gear Download PDF

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Publication number
CN109850825B
CN109850825B CN201910074781.1A CN201910074781A CN109850825B CN 109850825 B CN109850825 B CN 109850825B CN 201910074781 A CN201910074781 A CN 201910074781A CN 109850825 B CN109850825 B CN 109850825B
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lifting
platform
unloading
guardrail
lifting device
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CN109850825A (en
Inventor
李会来
李亚男
刘军辉
杨薇薇
褚江能
刘仕辉
汪云峰
刘红春
张传斌
孟凡生
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XUCHANG YUANFANG INDUSTRIAL AND TRADE CO LTD
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XUCHANG YUANFANG INDUSTRIAL AND TRADE CO LTD
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Abstract

The invention discloses a movable material loading and unloading lifting device, which comprises a manned lifting platform, a cargo lifting platform, a lifting device, a lifting control device and a chassis, wherein the lifting control device is arranged on the manned lifting platform; the manned lifting platform and the cargo lifting platform are respectively and independently provided with a lifting device controlled by a lifting control device and are fixed on the underframe side by side through the lifting device; the lifting control device can independently control the movement of the lifting devices of the two lifting platforms respectively, and the manned lifting platform and the cargo lifting platform can stay at any position in the working range during operation; the invention provides a movable material loading and unloading lifting device, which can not only overcome the problem of easy damage of materials caused by rough loading and unloading, but also reduce the labor intensity of operators, further increase the personal safety of the operators, well improve the space utilization rate by reasonably arranging the lifting table structure, greatly improve the efficiency of a loading and unloading vehicle and lay a good foundation for the development of the logistics industry.

Description

Movable material loading and unloading elevating gear
Technical Field
The invention relates to the field of logistics equipment, in particular to a movable material loading and unloading lifting device; more particularly, to a device for loading and unloading cargo into and from a basket and stacking in situ.
Background
The logistics directly relates to national lives, and along with the development of networks, the Internet of things is rapidly popularized, so that the logistics is rapidly developed; in the field of logistics, the main factors influencing logistics are in a loading and unloading link, at present, the loading and unloading process mainly adopts manual operation, and the problems are that the labor intensity of loading and unloading personnel is high, the goods are easy to slide and damage during loading and unloading, and the loading and unloading efficiency is low; secondly, the safety problem of loading and unloading personnel cannot be guaranteed; these factors affect the logistics of a certain degree of economic benefit further improvement.
Therefore, how to provide a movable material loading and unloading lifting device capable of effectively avoiding damage to cargoes, improving loading and unloading efficiency and reducing labor intensity of operators is a problem which needs to be solved by the technicians in the field.
Disclosure of Invention
In view of the above, the invention provides a movable material loading and unloading lifting device, which can not only overcome the problem of easy damage of materials caused by rough loading and unloading, but also reduce the labor intensity of operators, further increase the personal safety of the operators, well improve the space utilization rate by reasonably arranging the lifting table structure, greatly improve the efficiency of the loading and unloading vehicle, and lay a good foundation for the development of the logistics industry.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the movable material loading and unloading lifting device comprises a lifting device, a lifting control device, a bottom frame, a manned lifting platform and a cargo lifting platform; the manned lifting platform and the cargo lifting platform are respectively and independently provided with the lifting device controlled by the lifting control device and are fixed on the underframe side by side through the lifting device; the lifting control device can independently control the movement of the lifting devices of the two lifting platforms respectively, and the manned lifting platform and the cargo lifting platform can stay at any position in the working range during operation;
the cargo lifting platform comprises an anti-skid object stage and a guiding and positioning device, wherein the anti-skid object stage is provided with a mounting hole, and the guiding and positioning device is arranged in the mounting hole and is lower than the upper top surface of the anti-skid object stage;
the manned lifting platform comprises an anti-skid platform, a safety guardrail, a rotary guardrail and a portal frame, wherein the safety guardrail is vertically arranged around the anti-skid platform in a surrounding manner; an operation opening is formed in one side, close to the cargo lifting platform, of the safety guardrail, and extension guardrails extending to two sides of the cargo lifting platform are arranged on two sides of the operation opening; the extension guardrail forms a guardrail extension part with a reserved loading and unloading port, and the guardrail extension part forms a safe loading and unloading passage; the rotary guardrail comprises a guardrail with a rotating shaft and a guardrail arranged vertically to the rotating shaft, the rotating shaft is hinged with an extending guardrail on one side of the guardrail extending part, the guardrail is overlapped with the extending guardrail on the other side of the guardrail extending part, and the guardrail blocks the loading and unloading opening to prevent cargoes from sliding down in the loading and unloading process; the operation port is provided with a portal frame, and a personnel entrance and exit port is formed in the safety barrier on the opposite side of the operation port.
The invention can change the operation place by adopting a traction moving mode or a forklift carrying mode, and the double platforms can independently lift and work in cooperation with each other, so that the space utilization rate is well improved by reasonably arranging the lifting table top structure, meanwhile, the goods are prevented from falling and being damaged, the loading and unloading efficiency is improved, and the labor intensity of operators is reduced.
Preferably, in the above-mentioned movable material loading and unloading lifting device, the lifting device is a scissor hydraulic lifter, the lifting control device is a hydraulic station, and the bottoms of the cargo lifting platform and the manned lifting platform are both provided with a platform hinge bracket and a platform sliding rail provided with a sliding block;
the chassis is provided with a chassis hinge bracket corresponding to the platform hinge bracket and a chassis sliding rail corresponding to the platform sliding rail and provided with the sliding block;
the shear fork hydraulic lifter comprises a hydraulic cylinder and a shear type supporting frame; the scissors-type supporting frame comprises a first sliding connecting rod, a second sliding connecting rod, a first hinging rod and a second hinging rod, one end of the first sliding connecting rod is hinged with the sliding block on the platform sliding rail, the other end of the first sliding connecting rod is hinged with one end of the second sliding connecting rod, and the other end of the second sliding connecting rod is hinged with the sliding block on the underframe sliding rail; one end of the first hinging rod is hinged with the platform hinging bracket, the other end of the first hinging rod is hinged with one end of the second hinging rod, and the other end of the second hinging rod is hinged with the underframe hinging bracket;
the piston rod of the hydraulic cylinder is hinged with the first sliding connecting rod, the cylinder body of the hydraulic cylinder is hinged with the second sliding connecting rod, and the hydraulic cylinder is communicated with the hydraulic station through a hydraulic pipeline.
Preferably, in the above-mentioned movable material handling lifting device, a fixed wired control button or a remote wireless remote control device is disposed on the manned lifting platform, and the fixed wired control button or the remote wireless remote control device is in communication with the electrical box of the hydraulic station.
Preferably, in the above-mentioned movable material loading and unloading lifting device, the rotation guardrail is manually controlled by arranging a handle on the rotation shaft, or is electrically controlled by adopting a way that the rotation shaft is in transmission connection with a rotation shaft of the motor; the extension guardrail is provided with a hook matched with the railing, and the railing is lapped on the hook.
Preferably, in the above-mentioned movable material loading and unloading lifting device, the anti-skid stage and the anti-skid stage are laid with checkered plates.
Preferably, in the above-mentioned movable material loading and unloading lifting device, two universal front casters with brakes and two directional rear casters are arranged at the bottom of the chassis, so that the movable material loading and unloading lifting device is convenient to move and fix, and adjustable bearing support legs are arranged on the outer sides of the universal front casters and the directional rear casters.
Preferably, in the above-mentioned movable material loading and unloading lifting device, the guiding and positioning device includes a positioning guide seat and a central positioning ring, the central positioning ring is a circular truncated cone-shaped protrusion arranged at the center of the positioning guide seat, the positioning guide seat and the central positioning ring are matched with bowl-shaped supporting legs of the basket to be carried for positioning, and the bowl-shaped supporting legs are bowl-shaped and reversely buckled for use, so that the annular edges of the bowl-shaped supporting legs of the basket to be carried can be nested in annular pits between the positioning guide seat and the central positioning ring, the basket to be carried is prevented from sliding in the horizontal direction, the guiding and positioning device is hidden at the position below the anti-skid object stage after being installed, and interference caused by protrusion of the anti-skid object stage when the basket to be carried moves on the anti-skid object stage is prevented.
Preferably, in the above-mentioned movable material loading and unloading lifting device, two sides of the center of gravity point of the chassis are respectively provided with a fork tooth guiding positioning groove, and two fork tooth guiding positioning grooves are arranged in parallel, so that the forklift can be used for carrying when the operation place is changed, the center of gravity is stable, and the safety of the carrying process is ensured.
Preferably, in the above-mentioned movable material loading and unloading elevating gear, the both sides stand of portal frame includes the sleeve pipe and is located flexible inner tube in the sleeve pipe, the sleeve pipe with offer corresponding fender position hole on the pipe wall of flexible inner tube, make through the pin the sleeve pipe with the different fender position hole cooperation of flexible inner tube is adjusted stand height, portal frame height can be adjusted along with operating personnel's height, makes things convenient for operating personnel free movement on the lift mesa.
Preferably, in the above-mentioned movable material loading and unloading lifting device, the portal frame is connected with a safety belt worn by an operator through a safety rope, so as to prevent the operator from falling off in a high altitude during loading and unloading.
Preferably, in the above-mentioned movable material handling lifting device, the operation opening and the personnel access opening are both provided with pedals extending outwards.
Preferably, in the above-mentioned movable material loading and unloading lifting device, an anti-collision guardrail is disposed outside the manned lifting platform and the cargo lifting platform, wherein the anti-collision guardrail is mounted at the outer side of the underframe, so as to prevent collision with the lifting device when the forklift loads and unloads the basket.
Compared with the prior art, the invention discloses a movable material loading and unloading lifting device, and compared with the traditional loading and unloading mode, the technical scheme adopted by the invention has the advantages that the loading and unloading efficiency is greatly improved, and the safety is more ensured; the separation of people and objects in the lifting process is realized, the potential safety hazard is eliminated, and the safety coefficient is improved; the safety coefficient of loading and unloading work is improved, and the problem of large occupied area during loading and unloading of the traditional belt conveying is solved;
the beneficial effects of the invention are as follows: the lifting type automatic loading and unloading device is simple in structure, small in occupied area, convenient to operate and move, adjustable in lifting height, safe and reliable in loading and unloading, meets the loading and unloading requirements of vehicles in the logistics field and between vehicles and a warehouse, effectively reduces the labor intensity of workers, improves the working efficiency, reduces the damage of the material loading and unloading process, and plays a positive pushing role in the development of the logistics field.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a top view of the present invention with the anti-skid stage removed;
FIG. 4 is a block diagram of the manned lift platform of the present invention;
FIG. 5 is a schematic diagram of the connection of the lift device of the present invention to a man-lift platform;
FIG. 6 is a schematic diagram of the connection of the lifting device of the present invention to the cargo lift platform;
FIG. 7 is a front view of the chassis of the present invention;
FIG. 8 is a left side view of the chassis of the present invention;
fig. 9 is a partial cross-sectional view of the guide positioning device of the present invention.
Description of the embodiments
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention discloses a movable material loading and unloading lifting device, which can not only overcome the problem of easy damage of materials caused by rough loading and unloading, but also reduce the labor intensity of operators, further increase the personal safety of the operators, well improve the space utilization rate and greatly improve the efficiency of a loading and unloading vehicle by reasonably arranging a lifting table structure, and lay a good foundation for the development of the logistics industry.
The invention discloses a movable material loading and unloading lifting device, which comprises a lifting device 3, a lifting control device 4, a bottom frame 5, a manned lifting platform 1 and a cargo lifting platform 2, wherein the lifting device is provided with a lifting platform; wherein, the manned lifting platform 1 and the cargo lifting platform 2 are respectively and independently provided with a lifting device 3 controlled by a lifting control device 4, and are fixed on a bottom frame 5 side by side through the lifting device 3; the lifting control device can independently control the movement of the lifting devices of the two lifting platforms respectively, and the manned lifting platform and the cargo lifting platform can stay at any position in the working range during operation;
the cargo lifting platform 2 comprises an anti-skid object stage 21 and a guiding and positioning device 22, wherein the anti-skid object stage 21 is provided with a mounting hole, and the guiding and positioning device 22 is arranged in the mounting hole and is lower than the upper top surface of the anti-skid object stage 21;
the manned lifting platform 1 comprises an anti-skid platform 11, a safety barrier 12, a rotary barrier 13 and a portal frame 14, wherein the safety barrier 12 is vertically surrounded around the anti-skid platform 11; the safety guardrail is provided with an operation opening 122 at one side close to the cargo lifting platform 2, and extension guardrails 15 extending to two sides of the cargo lifting platform 2 are arranged at two sides of the operation opening; extending the guardrail 15 to form a guardrail extension part of the reserved loading and unloading opening 121, wherein the guardrail extension part forms a safe loading and unloading passage; the rotary guardrail 13 comprises a railing 132 with a rotary shaft 131 and a rotary shaft 131 arranged vertically, the rotary shaft 131 is hinged with the extension guardrail 15 on one side of the guardrail extension part, the railing 132 is overlapped with the extension guardrail 15 on the other side of the guardrail extension part, and the loading and unloading port 121 is blocked to prevent cargoes from sliding down in the loading and unloading process; the working port 122 is provided with a portal frame 14, and a personnel entrance 123 is formed in the safety barrier 12 on the opposite side of the working port 122.
In order to further optimize the technical scheme, the lifting device 3 is a scissor hydraulic lifter, the lifting control device 4 is a hydraulic station, and the bottoms of the cargo lifting platform 2 and the manned lifting platform 1 are respectively provided with a platform hinge bracket 6 and a platform sliding rail 8 provided with a sliding block 7;
the underframe 5 is provided with an underframe hinge bracket 61 corresponding to the platform hinge bracket 6 and an underframe sliding rail 81 corresponding to the platform sliding rail 8 and provided with a sliding block 7;
the scissor hydraulic lifter comprises a hydraulic cylinder 31 and a scissor support 32; the scissors-type supporting frame 32 comprises a first sliding connecting rod 321, a second sliding connecting rod 322, a first hinging rod 323 and a second hinging rod 324, wherein one end of the first sliding connecting rod 321 is hinged with a sliding block 7 on the platform sliding rail 8, the other end of the first sliding connecting rod is hinged with one end of the second sliding connecting rod 322, and the other end of the second sliding connecting rod 322 is hinged with the sliding block 7 on the underframe sliding rail 81; one end of the first hinge rod 323 is hinged with the platform hinge bracket 6, the other end of the first hinge rod 324 is hinged with one end of the second hinge rod 324, and the other end of the second hinge rod 324 is hinged with the chassis hinge bracket 61;
the piston rod 311 of the hydraulic cylinder 31 is hinged with a first slide link 321, the cylinder body 312 of the hydraulic cylinder 31 is hinged with a second slide link 322, and the hydraulic cylinder 31 is communicated with a hydraulic station through a hydraulic line.
In order to further optimize the technical scheme, the manned lifting platform 1 is provided with a fixed wired control button or a remote wireless remote control device, and the fixed wired control button or the remote wireless remote control device is communicated with an electric box of the hydraulic station.
In order to further optimize the technical scheme, the rotary guardrail 13 is manually controlled by arranging a handle 133 on the rotary shaft 131, or is electrically controlled by adopting a way that the rotary shaft 131 is in transmission connection with a motor rotary shaft; the extension fence 15 is provided with a hook 134 which mates with the rail 132, and the rail 132 is lapped over the hook 134.
In order to further optimize the above technical solution, the anti-skid stage 21 and the anti-skid platform 11 are provided with pattern boards.
In order to further optimize the technical scheme, the bottom of the underframe is provided with two universal front casters 51 with brakes and two directional rear casters 52, so that the underframe is convenient to move and fix, and the outer sides of the universal front casters 51 and the directional rear casters 52 are provided with adjustable bearing support legs 53.
In order to further optimize the technical scheme, the guiding and positioning device 22 comprises a positioning guide seat 221 and a central positioning ring 222, the central positioning ring 222 is a truncated cone-shaped protrusion arranged at the center of the positioning guide seat 221, the positioning guide seat 221 and the central positioning ring 222 are matched with bowl-shaped supporting legs of the basket 223 to be carried for positioning, the bowl-shaped supporting legs are bowl-shaped and reversely buckled for use, the annular edges of the bowl-shaped supporting legs of the basket 223 to be carried can be nested in annular pits between the positioning guide seat 221 and the central positioning ring 222, the basket 223 to be carried is prevented from sliding in the horizontal direction, the guiding and positioning device 22 is hidden below the panel of the anti-skid cargo table 21 after being installed, and interference caused by protrusion of the anti-skid cargo table 21 when the basket 223 to be carried moves above the anti-skid cargo table 21 is prevented.
In order to further optimize the technical scheme, two fork tooth guiding and positioning grooves 54 are respectively arranged on two sides of the gravity center point of the underframe 5, and the two fork tooth guiding and positioning grooves 54 are arranged in parallel, so that forklift can be used for carrying when a working place is changed, the gravity center is stable, and the safety of the carrying process is ensured.
In order to further optimize the technical scheme, the upright posts on the two sides of the portal frame 14 comprise a sleeve and a telescopic inner tube positioned in the sleeve, corresponding gear holes are formed in the tube walls of the sleeve and the telescopic inner tube, the heights of the upright posts are adjusted by matching different gear holes of the sleeve and the telescopic inner tube through pins, the heights of the portal frame 12 can be adjusted along with the heights of operators, and the operators can conveniently and freely move on a lifting table top.
In order to further optimize the technical scheme, the portal frame 14 is connected with a safety belt 141 worn by an operator through a safety rope to prevent the operator from falling aloft when loading and unloading the vehicle.
To further optimize the solution described above, both the work opening 122 and the personnel access opening 123 are provided with outwardly extending pedals.
In order to further optimize the technical scheme, the manned lifting platform 1 and the cargo lifting platform 2 are provided with the anti-collision guardrail, wherein the anti-collision guardrail is arranged at the outer side of the underframe 2 so as to prevent collision with the lifting device when the forklift loads and unloads the basket.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. The movable material loading and unloading lifting device comprises a lifting device (3), a lifting control device (4) and a bottom frame (5), and is characterized by further comprising a manned lifting platform (1) and a cargo lifting platform (2); the manned lifting platform (1) and the cargo lifting platform (2) are respectively and independently provided with the lifting device (3) controlled by the lifting control device (4), and are fixed on the underframe (5) side by side through the lifting device (3);
the cargo lifting platform (2) comprises an anti-skid object stage (21) and a guiding and positioning device (22), wherein a plurality of mounting holes are formed in the anti-skid object stage (21), and the guiding and positioning device (22) is arranged in the mounting holes and is lower than the upper top surface of the anti-skid object stage (21); the guiding and positioning device (22) comprises a positioning guide seat (221) and a central positioning ring (222), the central positioning ring (222) is a circular truncated cone-shaped bulge arranged at the center of the positioning guide seat (221), and the positioning guide seat (221) and the central positioning ring (222) are matched with bowl-shaped supporting legs of a basket (223) to be carried for positioning;
the manned lifting platform (1) comprises an anti-skid platform (11), a safety barrier (12), a rotary barrier (13) and a portal frame (14), wherein the safety barrier (12) is vertically surrounded around the anti-skid platform (11); an operation opening (122) is formed in one side, close to the cargo lifting platform (2), of the safety guardrail, and extension guardrails (15) extending to two sides of the cargo lifting platform (2) are arranged on two sides of the operation opening; the extension guardrail (15) forms a guardrail extension part of the reserved loading and unloading opening (121); the rotary guardrail (13) comprises a rotary shaft (131) and a guardrail (132) perpendicular to the rotary shaft (131), the rotary shaft (131) is hinged with an extension guardrail (15) on one side of the guardrail extension part, the guardrail (132) is in lap joint with the extension guardrail (15) on the other side of the guardrail extension part, and the loading and unloading port (121) is blocked; the operation port (122) is provided with a portal frame (14), and a personnel access port (123) is formed in the safety barrier (12) on the opposite side of the operation port (122).
2. The movable material loading and unloading lifting device according to claim 1, wherein the lifting device (3) is a scissor hydraulic lifter, the lifting control device (4) is a hydraulic station, and the bottoms of the cargo lifting platform (2) and the manned lifting platform (1) are provided with a platform hinge bracket (6) and a platform sliding rail (8) provided with a sliding block (7);
the chassis (5) is provided with a chassis hinge bracket (61) corresponding to the platform hinge bracket (6) and a chassis sliding rail (81) corresponding to the platform sliding rail (8) and provided with the sliding block (7);
the scissor hydraulic lifter comprises a hydraulic cylinder (31) and a scissor type supporting frame (32); the scissors-type supporting frame (32) comprises a first sliding connecting rod (321), a second sliding connecting rod (322), a first hinging rod (323) and a second hinging rod (324), one end of the first sliding connecting rod (321) is hinged with the sliding block (7) on the platform sliding rail (8), the other end of the first sliding connecting rod is hinged with one end of the second sliding connecting rod (322), and the other end of the second sliding connecting rod (322) is hinged with the sliding block (7) on the underframe sliding rail (81); one end of the first hinging rod (323) is hinged with the platform hinging support (6), the other end of the first hinging rod is hinged with one end of the second hinging rod (324), and the other end of the second hinging rod (324) is hinged with the underframe hinging support (61);
a piston rod (311) of the hydraulic cylinder (31) is hinged with the first sliding connecting rod (321), a cylinder body (312) of the hydraulic cylinder (31) is hinged with the second sliding connecting rod (322), and the hydraulic cylinder (31) is communicated with the hydraulic station through a hydraulic pipeline.
3. A movable material handling lifting device according to claim 2, characterized in that the manned lifting platform (1) is provided with a fixed wired control button or a remote wireless remote control device, through which the fixed wired control button or remote wireless remote control device communicates with the electrical box of the hydraulic station.
4. A movable material handling lifting device according to claim 1 or 3, characterized in that the rotating barrier (13) is controlled manually by providing a handle (133) on the rotating shaft (131) or electronically by means of a driving connection of the rotating shaft (131) to the motor rotating shaft; the extension guardrail (15) is provided with a hook (134) matched with the railing (132), and the railing (132) is lapped on the hook (134).
5. A movable material handling lifting device according to claim 1, characterized in that a pattern plate is laid on the anti-skid platform (21) and the anti-skid platform (11).
6. The movable material handling lifting device according to claim 5, characterized in that the bottom of the chassis is provided with two universal front casters (51) and two directional rear casters (52), and that the outer sides of the universal front casters (51) and the directional rear casters (52) are provided with adjustable load-bearing feet (53).
7. The movable material loading and unloading lifting device according to claim 1, wherein two fork tooth guiding positioning grooves (54) are respectively arranged on two sides of the gravity center point of the underframe (5), and the two fork tooth guiding positioning grooves (54) are arranged in parallel.
8. The movable material loading and unloading lifting device according to claim 7, wherein the upright posts on two sides of the portal frame (14) comprise a sleeve and a telescopic inner tube positioned in the sleeve, corresponding gear holes are formed in the walls of the sleeve and the telescopic inner tube, and the heights of the upright posts are adjusted through the cooperation of different gear holes of the sleeve and the telescopic inner tube through pins.
9. A movable material handling lifting device according to claim 1, characterized in that the portal frame (14) is connected with a safety belt (141) for wearing by the operator via a safety rope.
CN201910074781.1A 2019-01-25 2019-01-25 Movable material loading and unloading elevating gear Active CN109850825B (en)

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CN110668351A (en) * 2019-10-17 2020-01-10 盐城工学院 Automobile maintenance device
DE102019128852B3 (en) * 2019-10-25 2021-02-25 Hubtex Maschinenbau Gmbh & Co. Kg People lifting and fall protection vehicle
BE1028301B1 (en) * 2020-05-12 2021-12-16 Hermes Device for loading goods into and removing goods from a rack of a warehouse or the like
CN111843910A (en) * 2020-07-28 2020-10-30 中国人民解放军第五七一九工厂 Working platform for complete machine assembly of aero-engine
CN114212553A (en) * 2021-11-26 2022-03-22 中车长江车辆有限公司 Tank car box accessory loading and unloading equipment and accessory installation method

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CN101759125A (en) * 2008-12-24 2010-06-30 贵阳黔江机械厂 Self-locking extension working platform of lifting working ladder
KR101262991B1 (en) * 2012-02-15 2013-05-10 주식회사 에버다임 Elevator for ladder truck
CN103496656A (en) * 2013-10-11 2014-01-08 济南华北升降平台制造有限公司 Lifting platform for high-altitude operation processing
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CN209536915U (en) * 2019-01-25 2019-10-25 许昌远方工贸有限公司 A kind of packaged type material handling lifting device

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