CN114890328A - An electric lift hoist - Google Patents

An electric lift hoist Download PDF

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Publication number
CN114890328A
CN114890328A CN202210517207.0A CN202210517207A CN114890328A CN 114890328 A CN114890328 A CN 114890328A CN 202210517207 A CN202210517207 A CN 202210517207A CN 114890328 A CN114890328 A CN 114890328A
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China
Prior art keywords
lifting
mounting seat
motor
electric
chassis
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CN202210517207.0A
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Chinese (zh)
Inventor
龙鹰
汤淑芳
王正萃
许磊
方树
高翔
孙佳宁
沈蕴
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Guangxi Chengdian Intelligent Manufacturing Technology Co ltd
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Guangxi Chengdian Intelligent Manufacturing Technology Co ltd
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Priority to CN202210517207.0A priority Critical patent/CN114890328A/en
Publication of CN114890328A publication Critical patent/CN114890328A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/82—Luffing gear
    • B66C23/821—Bracing equipment for booms
    • B66C23/826—Bracing equipment acting at an inclined angle to vertical and horizontal directions

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

The invention provides an electric lifting crane which comprises a traveling device and a lifting device, wherein the traveling device comprises a chassis, a vehicle body and a power system, the lifting device is arranged at the front part of the chassis and comprises a lifting frame, a motor, a steel wire rope, a lifting hook and a mounting seat, the lifting frame comprises a supporting upright post and a transverse lifting arm, the mounting seat is arranged at the front part of the chassis, the transverse lifting arm is transversely arranged, the rear end of the transverse lifting arm is fixedly connected with the top end of the supporting upright post, the supporting upright post is fixedly connected with the top of the mounting seat, through holes are respectively formed in the supporting upright post and the transverse lifting arm, the motor is arranged in the mounting seat, a winding drum is arranged on an output shaft of the motor, the steel wire rope is wound on the winding drum, the steel wire rope penetrates through the through holes of the supporting upright post and the transverse lifting arm and is connected with the lifting hook, and the technical problems that the lifting operation of the lifting crane is not flexible and the safety is low can be solved.

Description

一种电动升降起吊机An electric lift hoist

技术领域technical field

本发明涉及起吊设备技术领域，尤其涉及一种电动升降起吊机。The invention relates to the technical field of hoisting equipment, in particular to an electric lifting hoist.

背景技术Background technique

起吊机是在一定范围内垂直提升和水平搬运重物的多动作起重机械。起吊机能在每一个工作循环中进行取料、运移、卸载等动作，起重机在市场上的发展和使用越来越广泛。A hoist is a multi-action hoisting machine that vertically lifts and horizontally transports heavy objects within a certain range. The crane can perform actions such as reclaiming, moving, and unloading in each working cycle. The development and use of cranes in the market are becoming more and more extensive.

轮胎起吊机的主要特点是：其行驶驾驶室与起重操纵室合二为一、将行走机构的履带和行走支架部分变成有轮胎的底盘，克服了履带起吊机的履带板对路面造成破坏的缺点，属于物料搬运机械。现有的轮胎起吊机由于其结构特点，需要很大的场地空间才能实现正常作业。因此，研发一种可灵活进行起吊作业的起吊机是十分必要的。The main features of the tire crane are: the driving cab and the lifting control room are combined into one, and the crawler and the walking bracket of the traveling mechanism are turned into a chassis with tires, which overcomes the damage to the road caused by the crawler shoes of the crawler crane. The disadvantage belongs to material handling machinery. Due to its structural characteristics, the existing tire crane needs a large site space to achieve normal operation. Therefore, it is very necessary to develop a hoist that can flexibly carry out hoisting operations.

发明内容SUMMARY OF THE INVENTION

本发明所要解决的技术问题是：提供一种电动升降起吊机，以解决起吊机进行起吊作业不够灵活和安全性不高的技术问题。The technical problem to be solved by the present invention is to provide an electric lifting hoist to solve the technical problems that the hoisting operation is not flexible enough and the safety is not high.

为解决上述技术问题，本发明的技术方案是：一种电动升降起吊机，包括行走装置和起吊装置，所述行走装置包括底盘、车身以及动力系统，所述底盘前部安装有所述起吊装置，所述起吊装置包括起吊架、电动机、钢丝绳、吊钩以及安装座，所述起吊架包括支撑立柱和横向吊臂，所述安装座安装于所述底盘前部，所述横向吊臂横向设置且后端与所述支撑立柱顶端固定连接，所述支撑立柱与所述安装座顶部固定连接，所述支撑立柱和横向吊臂内部均设有通孔，所述电动机安装于所述安装座内部，所述电动机输出轴上设有所述卷筒，所述卷筒上缠绕有所述钢丝绳，所述钢丝绳贯穿所述支撑立柱和横向吊臂的通孔并连接有置于所述横向吊臂前端下方的所述吊钩。In order to solve the above technical problems, the technical solution of the present invention is: an electric lifting hoist, comprising a traveling device and a hoisting device, the traveling device includes a chassis, a body and a power system, and the hoisting device is installed on the front of the chassis , the hoisting device includes a hoisting frame, a motor, a wire rope, a hook and a mounting seat, the hoisting frame includes a supporting column and a lateral boom, the mounting seat is installed on the front of the chassis, and the lateral boom is arranged horizontally And the rear end is fixedly connected with the top of the support column, the support column is fixedly connected with the top of the mounting seat, the support column and the horizontal boom are both provided with through holes, and the motor is installed inside the mounting seat , the motor output shaft is provided with the reel, the reel is wound with the wire rope, the wire rope passes through the support column and the through hole of the horizontal boom and is connected to the horizontal boom Said hook below the front end.

优选的，所述支撑立柱顶部设有第一滚轮，所述横向吊臂前部设有第二滚轮，所述钢丝绳依次绕过所述第一滚轮和所述第二滚轮连接所述吊钩。Preferably, a first roller is provided on the top of the support column, a second roller is provided on the front part of the horizontal boom, and the wire rope is connected to the hook by passing around the first roller and the second roller in sequence.

优选的，所述横向吊臂包括前臂和后臂，所述前臂和后壁横向滑动连接，所述前臂和后壁之间设有第一液压缸。Preferably, the lateral boom includes a front arm and a rear arm, the front arm and the rear wall are connected in a lateral sliding manner, and a first hydraulic cylinder is provided between the front arm and the rear wall.

优选的，还包括锁紧装置，所述锁紧装置包括制动轮和电控装置，所述电控装置包括制动块、电磁铁以及拉簧，所述制动轮设于所述电动机输出轴上，所述制动块与所述安装座滑动连接，所述安装座与所述制动块外侧之间设有拉簧，所述电磁铁安装于所述制动块内侧，所述制动块上设有与所述制动块相对应的磁性块，所述制动块内侧设有与所述制动轮的外轮廓相适配的摩擦片。Preferably, it also includes a locking device, the locking device includes a braking wheel and an electric control device, the electric control device includes a braking block, an electromagnet and a tension spring, and the braking wheel is provided at the output of the motor On the shaft, the brake block is slidably connected to the mounting seat, a tension spring is provided between the mounting seat and the outer side of the brake block, the electromagnet is mounted on the inner side of the brake block, and the brake block is installed. The moving block is provided with a magnetic block corresponding to the braking block, and the inner side of the braking block is provided with a friction plate matched with the outer contour of the braking wheel.

优选的，所述制动轮的左右两侧分别设有一个所述电控装置。Preferably, the left and right sides of the brake wheel are respectively provided with one of the electronic control devices.

优选的，所述支撑立柱包括上柱和下柱，所述上柱和下柱竖向滑动连接，所述上柱和下柱之间设有第二液压缸。Preferably, the support column includes an upper column and a lower column, the upper column and the lower column are vertically slidably connected, and a second hydraulic cylinder is arranged between the upper column and the lower column.

优选的，所述吊钩尾部固定设有限位块。Preferably, a limit block is fixed at the tail of the hook.

优选的，所述行走装置的底盘上设有若干可拆卸支撑腿。Preferably, a plurality of detachable support legs are provided on the chassis of the walking device.

优选的，所述安装座与所述底盘转动连接，所述安装座上设有齿圈，所述底盘上设有驱动电机，所述驱动电机输出轴上设有驱动齿轮，所述驱动齿轮与所述齿圈啮合。Preferably, the mounting seat is rotatably connected to the chassis, a ring gear is provided on the mounting seat, a driving motor is provided on the chassis, and a driving gear is provided on the output shaft of the driving motor, and the driving gear is connected with the The ring gear meshes.

采用上述技术方案所取得的技术效果为：The technical effects obtained by adopting the above technical solutions are:

本申请的电动升降起吊机在进行装载作业时，可将货物灵活吊起并进行转运，该起吊机将钢丝绳设于起吊架内部，不仅使起吊部分结构更加紧凑，而且使起吊过程更加安全。该起吊机的行走装置易于掉头和转向，因此在进行吊装作业时移动灵活，易于操作，适用于不同大小空间的吊装作业，还具有操作盲区少和操作安全等优点。The electric hoisting crane of the present application can flexibly hoist and transfer the goods during loading operation. The hoisting machine sets the wire rope inside the hoisting frame, which not only makes the structure of the hoisting part more compact, but also makes the hoisting process safer. The traveling device of the hoist is easy to turn around and turn, so it is flexible and easy to operate during hoisting operations. It is suitable for hoisting operations in different sizes of spaces, and has the advantages of less operation blind spots and safe operation.

由于所述横向吊臂包括前臂和后臂，所述前臂和后壁横向滑动连接，所述前臂和后壁之间设有第一液压缸，可根据货物实际位置控制横向吊臂进行伸缩使吊钩到达货物上方。Since the lateral boom includes a front arm and a rear arm, the front arm and the rear wall are connected in a lateral sliding manner, and a first hydraulic cylinder is arranged between the forearm and the rear wall, which can control the horizontal boom to extend and retract according to the actual position of the cargo to make the lifting The hook reaches above the cargo.

由于还包括锁紧装置，所述锁紧装置包括制动轮和电控装置，所述电控装置包括制动块、电磁铁以及拉簧，所述制动轮设于所述电动机输出轴上，所述制动块与所述安装座滑动连接，所述安装座与所述制动块外侧之间设有拉簧，所述电磁铁安装于所述制动块内侧，所述制动块上设有与所述制动块相对应的磁性块，所述制动块内侧设有与所述制动轮的外轮廓相适配的摩擦片，起吊电机主轴上设有速度检测装置，当检测到卷筒超速运转时电控装置启动使起吊电机紧急制动，保证安全性。Since it also includes a locking device, the locking device includes a braking wheel and an electric control device, the electric control device includes a braking block, an electromagnet and a tension spring, and the braking wheel is arranged on the output shaft of the electric motor , the brake block is slidably connected with the mounting seat, a tension spring is arranged between the mounting seat and the outer side of the brake block, the electromagnet is installed on the inner side of the brake block, and the brake block There is a magnetic block corresponding to the brake block, the inner side of the brake block is provided with a friction plate that matches the outer contour of the brake wheel, and a speed detection device is provided on the main shaft of the hoisting motor. When it is detected that the reel is running at overspeed, the electronic control device starts to make the hoisting motor brake urgently to ensure safety.

由于所述制动轮的左右两侧分别设有一个所述电控装置，使制动轮受力均衡，延长其使用寿命。Since the left and right sides of the brake wheel are respectively provided with the electric control device, the force of the brake wheel is balanced and the service life thereof is prolonged.

由于所述支撑立柱包括上柱和下柱，所述上柱和下柱竖向滑动连接，所述上柱和下柱之间设有第第二液压缸，可实现灵活调整起吊高度。Since the support column includes an upper column and a lower column, the upper column and the lower column are vertically slidably connected, and a second hydraulic cylinder is arranged between the upper column and the lower column, so that the hoisting height can be adjusted flexibly.

由于所述安装座与所述底盘转动连接，所述安装座上设有齿圈，所述底盘上设有驱动电机，所述驱动电机输出轴上设有驱动齿轮，所述驱动齿轮与所述齿圈啮合，通过控制驱动电机工作可使起吊架进行旋转，使得起吊机的吊运更加灵活。Since the mounting seat is rotatably connected to the chassis, a ring gear is provided on the mounting seat, a driving motor is provided on the chassis, and a driving gear is provided on the output shaft of the driving motor, and the driving gear is connected with the The ring gear is meshed, and the hoisting frame can be rotated by controlling the driving motor, which makes the hoisting of the hoist more flexible.

附图说明Description of drawings

下面结合附图和实施例对本发明进一步说明。The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

图1是本发明实施例的整体结构图；Fig. 1 is the overall structure diagram of the embodiment of the present invention;

图2是本发明实施例的安装座内部锁紧装置的结构图；2 is a structural diagram of an internal locking device of a mounting seat according to an embodiment of the present invention;

图中，1、底盘；2、车身；31、支撑立柱；32、横向吊臂；33、电动机；34、钢丝绳；35、吊钩；36、安装座；37、卷筒；41、第一滚轮；42、第二滚轮；51、制动轮；52、制动块；53、电磁铁；54、拉簧；61、第一液压缸；62、第二液压缸；7、限位块。In the figure, 1, chassis; 2, body; 31, support column; 32, horizontal boom; 33, motor; 34, wire rope; 35, hook; 36, mounting seat; 37, reel; 41, first roller ; 42, the second roller; 51, the brake wheel; 52, the brake block; 53, the electromagnet; 54, the tension spring; 61, the first hydraulic cylinder; 62, the second hydraulic cylinder; 7, the limit block.

具体实施方式Detailed ways

如图1～2所示，一种电动升降起吊机，包括行走装置和起吊装置，行走装置包括底盘1、车身2以及动力系统，底盘1前部安装有起吊装置，起吊装置包括起吊架、电动机33、钢丝绳34、吊钩35以及安装座36，起吊架包括支撑立柱31和横向吊臂32，安装座36安装于底盘1前部，安装座36与底盘1转动连接，安装座36上设有齿圈，底盘1上设有驱动电机，驱动电机输出轴上设有驱动齿轮，驱动齿轮与齿圈啮合，通过控制驱动电机工作可使起吊架进行旋转，使得起吊机的吊运更加灵活。As shown in Figures 1-2, an electric lifting hoist includes a traveling device and a hoisting device. The traveling device includes a chassis 1, a body 2 and a power system. A hoisting device is installed on the front of the chassis 1, and the hoisting device includes a hoisting frame and a motor. 33. The wire rope 34, the hook 35 and the mounting seat 36. The hoisting frame includes a supporting column 31 and a horizontal boom 32. The mounting seat 36 is installed on the front of the chassis 1, and the mounting seat 36 is rotatably connected with the chassis 1. The mounting seat 36 is provided with a Ring gear, the chassis 1 is provided with a drive motor, the output shaft of the drive motor is provided with a drive gear, the drive gear meshes with the ring gear, and the hoisting frame can be rotated by controlling the operation of the drive motor, which makes the hoisting of the hoist more flexible.

横向吊臂32横向设置且后端与支撑立柱31顶端固定连接，横向吊臂32包括前臂和后臂，前臂和后壁横向滑动连接，前臂和后壁之间设有第一液压缸61，可根据货物实际位置控制横向吊臂32进行伸缩使吊钩35到达货物上方。支撑立柱31与安装座36顶部固定连接，支撑立柱31包括上柱和下柱，上柱和下柱竖向滑动连接，上柱和下柱之间设有第第二液压缸62，可实现灵活调整起吊高度。The lateral boom 32 is arranged laterally and the rear end is fixedly connected with the top end of the support column 31. The lateral boom 32 includes a forearm and a rear arm, the forearm and the rear wall are laterally slidably connected, and a first hydraulic cylinder 61 is arranged between the forearm and the rear wall, which can The horizontal boom 32 is controlled to extend and retract according to the actual position of the cargo, so that the hook 35 reaches the top of the cargo. The support column 31 is fixedly connected to the top of the mounting seat 36, the support column 31 includes an upper column and a lower column, the upper column and the lower column are vertically slidingly connected, and a second hydraulic cylinder 62 is arranged between the upper column and the lower column, which can realize flexible Adjust the lifting height.

支撑立柱31和横向吊臂32内部均设有通孔，电动机33安装于安装座36内部，电动机33输出轴上设有卷筒37，卷筒37上缠绕有钢丝绳34，钢丝绳34贯穿支撑立柱31和横向吊臂32的通孔并连接有吊钩35。吊钩35尾部固定设有限位块7。The support column 31 and the horizontal boom 32 are provided with through holes in the interior, the motor 33 is installed in the interior of the mounting seat 36, the output shaft of the motor 33 is provided with a reel 37, the reel 37 is wound with a wire rope 34, and the wire rope 34 penetrates the support column 31. A hook 35 is connected to the through hole of the horizontal boom 32 . A limit block 7 is fixed at the tail of the hook 35 .

本申请的电动升降起吊机还包括锁紧装置，锁紧装置包括制动轮51和电控装置，电控装置包括制动块52、电磁铁53以及拉簧54，制动轮51设于电动机33输出轴上，制动块52与安装座36滑动连接，安装座36与制动块52外侧之间设有拉簧54，电磁铁53安装于制动块52内侧，制动块52上设有与制动块52相对应的磁性块，制动块52内侧设有与制动轮51的外轮廓相适配的摩擦片，起吊电机主轴上设有速度检测装置，当检测到卷筒37超速运转时电控装置启动使起吊电机紧急制动，保证安全性。优选的，制动轮51的左右两侧分别设有一个电控装置，使制动轮51受力均衡，延长其使用寿命。行走装置的底盘1上设有若干可拆卸支撑腿，用来分散压力，提高起重机的起重特性。The electric lifting hoist of the present application also includes a locking device, the locking device includes a braking wheel 51 and an electric control device, the electric control device includes a braking block 52, an electromagnet 53 and a tension spring 54, and the braking wheel 51 is provided on the motor 33 On the output shaft, the brake block 52 is slidably connected with the mounting seat 36 , a tension spring 54 is arranged between the mounting seat 36 and the outer side of the brake block 52 , the electromagnet 53 is mounted on the inner side of the brake block 52 , and the brake block 52 is provided with a tension spring 54 . There is a magnetic block corresponding to the brake block 52, the inner side of the brake block 52 is provided with a friction plate that is adapted to the outer contour of the brake wheel 51, and a speed detection device is provided on the main shaft of the hoisting motor. During overspeed operation, the electronic control device starts to make the hoisting motor brake urgently to ensure safety. Preferably, the left and right sides of the brake wheel 51 are respectively provided with an electric control device, so that the force of the brake wheel 51 is balanced and its service life is prolonged. The chassis 1 of the traveling device is provided with a number of detachable support legs, which are used to disperse the pressure and improve the lifting characteristics of the crane.

作为一种优选的实施例，支撑立柱31顶部设有第一滚轮41，横向吊臂32前部设有第二滚轮42，钢丝绳34依次绕过第一滚轮41和第二滚轮42连接吊钩35。As a preferred embodiment, the top of the support column 31 is provided with a first roller 41 , the front of the lateral boom 32 is provided with a second roller 42 , and the wire rope 34 goes around the first roller 41 and the second roller 42 in turn to connect the hook 35 .

本申请的电动升降起吊机的工作原理为：The working principle of the electric lifting hoist of the present application is as follows:

在进行吊装作业时，驾驶整机到货物旁边，通过控制横向吊臂32的伸缩，安装座36的旋转来使吊钩35到达待起吊货物的正上方，再控制吊装置的电动机33运转来控制吊钩35升降来吊运货物。During the hoisting operation, drive the whole machine to the side of the cargo, control the extension and retraction of the lateral boom 32 and the rotation of the mounting base 36 to make the hook 35 reach the right above the cargo to be hoisted, and then control the operation of the motor 33 of the hoisting device to control The hook 35 is raised and lowered to lift the cargo.

本申请的电动升降起吊机在进行装载作业时，可将货物灵活吊起并进行转运，该起吊3将钢丝绳34设于起吊架内部，不仅使起吊部分结构更加紧凑，而且使起吊过程更加安全。该起吊机的行走装置易于掉头和转向，因此在进行吊装作业时移动灵活，易于操作，适用于不同大小空间的吊装作业，还具有操作盲区少和操作安全等优点。The electric hoisting crane of the present application can flexibly hoist and transfer the goods during the loading operation. The hoisting 3 sets the wire rope 34 inside the hoisting frame, which not only makes the structure of the hoisting part more compact, but also makes the hoisting process safer. The traveling device of the hoist is easy to turn around and turn, so it is flexible and easy to operate during hoisting operations. It is suitable for hoisting operations in different sizes of spaces, and has the advantages of less operation blind spots and safe operation.

Claims (9)

1. An electric lifting crane is characterized by comprising a walking device and a lifting device, wherein the walking device comprises a chassis, a vehicle body and a power system, the front part of the chassis is provided with the lifting device which comprises a lifting frame, a motor, a steel wire rope, a lifting hook and a mounting seat, the lifting frame comprises a supporting upright post and a transverse suspension arm, the mounting seat is mounted at the front part of the chassis, the transverse suspension arm is transversely arranged, the rear end of the transverse suspension arm is fixedly connected with the top end of the supporting upright post, the supporting upright post is fixedly connected with the top of the mounting seat, through holes are arranged in the supporting upright post and the transverse suspension arm, the motor is arranged in the mounting seat, the winding drum is arranged on the output shaft of the motor, the steel wire rope is wound on the winding drum, penetrates through the through holes of the supporting stand column and the transverse suspension arm and is connected with the lifting hook arranged below the front end of the transverse suspension arm.
2. The electric lift crane as set forth in claim 1, wherein a first roller is provided on the top of said support column, a second roller is provided on the front portion of said transverse boom, and said wire rope is connected to said hook by passing over said first roller and said second roller in sequence.
3. An electric lifting crane as defined in claim 1, wherein the transverse boom comprises a front arm and a rear arm, the front arm and the rear wall being connected in a transverse sliding manner, a first hydraulic cylinder being provided between the front arm and the rear wall.
4. The electric lifting crane according to claim 1, further comprising a locking device, wherein the locking device comprises a brake wheel and an electric control device, the electric control device comprises a brake block, an electromagnet and a tension spring, the brake wheel is disposed on the output shaft of the motor, the brake block is slidably connected with the mounting seat, the tension spring is disposed between the mounting seat and the outer side of the brake block, the electromagnet is mounted on the inner side of the brake block, a magnetic block corresponding to the brake block is disposed on the brake block, and a friction plate adapted to the outer contour of the brake wheel is disposed on the inner side of the brake block.
5. The electric lifting crane according to claim 4, wherein one of said electric control devices is provided on each of right and left sides of said brake drum.
6. The electric lift crane of claim 1, wherein the support column comprises an upper column and a lower column, the upper column and the lower column being vertically slidably connected, and a second hydraulic cylinder being disposed between the upper column and the lower column.
7. The electric lifting crane according to claim 1, wherein a stopper is fixedly provided at the tail of the hook.
8. The electric lift crane of claim 1, wherein said chassis of said traveling assembly has a plurality of detachable support legs.
9. The electric lifting crane as recited in claim 1, wherein the mounting base is rotatably connected to the base plate, the mounting base is provided with a gear ring, the base plate is provided with a driving motor, an output shaft of the driving motor is provided with a driving gear, and the driving gear is engaged with the gear ring.
CN202210517207.0A 2022-05-12 2022-05-12 An electric lift hoist Pending CN114890328A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118479381A (en) * 2024-07-01 2024-08-13 济南城建集团有限公司 A lifting device and operation method capable of improving safety

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Publication number Priority date Publication date Assignee Title
CN204474199U (en) * 2015-02-05 2015-07-15 沈阳三洋建筑机械有限公司 Crane lifting overspeed protection checking system
CN110589691A (en) * 2019-10-11 2019-12-20 徐州市凯诺机械有限公司 Crane capable of flexibly moving in port
CN215946556U (en) * 2021-09-07 2022-03-04 苏州中泛机械设备有限公司 Automatic heavy object hoisting and carrying device
CN216272789U (en) * 2021-11-11 2022-04-12 山西省安装集团股份有限公司 Auxiliary lifting device for solar photovoltaic panel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204474199U (en) * 2015-02-05 2015-07-15 沈阳三洋建筑机械有限公司 Crane lifting overspeed protection checking system
CN110589691A (en) * 2019-10-11 2019-12-20 徐州市凯诺机械有限公司 Crane capable of flexibly moving in port
CN215946556U (en) * 2021-09-07 2022-03-04 苏州中泛机械设备有限公司 Automatic heavy object hoisting and carrying device
CN216272789U (en) * 2021-11-11 2022-04-12 山西省安装集团股份有限公司 Auxiliary lifting device for solar photovoltaic panel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118479381A (en) * 2024-07-01 2024-08-13 济南城建集团有限公司 A lifting device and operation method capable of improving safety
CN118479381B (en) * 2024-07-01 2024-11-08 济南城建集团有限公司 Lifting equipment capable of improving safety and operation method

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