CN203144036U

CN203144036U - Manual lifting platform

Info

Publication number: CN203144036U
Application number: CN 201320013909
Authority: CN
Inventors: 华国强; 魏欣; 赵国梅; 吴桐
Original assignee: Jiangsu Jiecheng Vehicle Electronic Information Engineering Coltd
Current assignee: Jiangsu Jiecheng Vehicle Electronic Information Engineering Coltd
Priority date: 2013-01-11
Filing date: 2013-01-11
Publication date: 2013-08-21
Anticipated expiration: 2023-01-11

Abstract

The utility model discloses a manual lifting platform comprising a frame, an upper platform, guide mechanisms, a lifting device and a connecting mechanism for the upper platform and the lifting device. The guide mechanisms are arranged at four corners of the frame, and the upper platform is connected with the frame through the guide mechanisms. The connecting mechanism comprises a ball head, a ball head cover and a ball head seat, wherein the ball head is hinged with the ball head seat through the ball head cover, and the lower end of the ball head is connected with the lifting device. The lifting device comprises a four-rod hinge mechanism, a horizontal screw and a handle. The four-rod hinge mechanism comprises a pair of upper rods, a pair of lower rods, an upper support block, a lower support seat and two middle hinge pins. The horizontal screw sequentially penetrates through the two middle hinge pins, one end of the horizontal screw is connected with the first middle hinge pin, and the other end of the horizontal screw is supported in the second middle hinge pin. The manual lifting platform is small in size, light in weight, small in mounting space, safe, reliable, convenient to operate and carry, capable of being used and recycled quickly, attractive in appearance, convenient to mount and demount and applicable to lifting of small-size equipment.

Description

The hand-operated lifting platform

Technical field

The utility model relates to a kind of small-sized lifting table, and especially a kind of four bar linkwork lifting tables that adopt driven by shaking belong to small-sized weight-lifting equipment technical field.

Background technology

[0002] existing lifting table is mainly used in the lifting of medium size installations, and as hydraulically powered many bars articulated platform etc., this kind equipment all exists all defectives such as big of complex structure, volume and weight, uses and operate equal inconvenience, and alerting ability is not strong, involves great expense.The midget plant little for lifting travel, that weight is less, aforesaid lifting table is impracticable and use uneconomically, is necessary to develop the lifting demand that a kind of small-sized hand-operated lifting table satisfies midget plant.

Summary of the invention

All big in order to overcome existing lifting table volume weight, use and the defective of inconvenient operation, the utility model proposes a kind of hand-operated lifting platform of simple in structure, miniaturization.

The utility model is achieved by the following technical programs:

A kind of hand-operated lifting platform comprises that the bindiny mechanism of framework, upper mounting plate, guiding mechanism, jacking system and upper mounting plate and jacking system, described guiding mechanism are arranged on four jiaos of framework, and upper mounting plate links to each other with framework by guiding mechanism; Described bindiny mechanism comprises bulb, bulb lid and ball cap, and described ball cap bottom is fixed on upper mounting plate downside central authorities, and the bulb upper end matches with ball cap, and bulb is hinged with ball cap by the bulb lid, and the bulb lower end links to each other with jacking system; Described jacking system comprises four bar linkworks, horizontal lead screw and handle, described four bar linkworks comprise a pair of upper boom, a pair of lower beam, the upper support piece, lower support seat and two middle swivel pins, described a pair of upper boom upper end is hinged with upper support piece lower end respectively, upper support piece upper end is connected with the bulb lower end, a pair of lower beam lower end is hinged with lower support seat upper end respectively, a pair of upper boom lower end and a pair of lower beam upper end are hinged by middle swivel pin respectively, horizontal lead screw successively passes two middle swivel pins, horizontal lead screw one end is threaded with swivel pin in first, the horizontal lead screw other end is supported in second in the swivel pin, and horizontal lead screw one end termination and handle are connected; Described lower support seat is fixed on down the seat upside, and described following is fixed on the framework underside.

The purpose of this utility model can also further realize by following technical measures.

Aforesaid hand-operated lifting platform, wherein said guiding mechanism comprises several pilot bars, several orienting sleeves and several fixed covers, every pilot bar and an orienting sleeve match, described pilot bar is separately positioned on four jiaos of framework, the upper and lower side of pilot bar is connected by upper end or the lower end of fixed cover and framework respectively, and several orienting sleeve positions are corresponding one by one with several pilot bar positions, is separately positioned on four jiaos of upper mounting plate.

Aforesaid hand-operated lifting platform, swivel pin is adjacent with handle in wherein said second.

The utility model volume is little, in light weight, installing space is little, safe and reliable, easy and simple to handle, easy to carry, can use fast, regain fast, good looking appearance, easy installation and removal are applicable to the lifting of midget plant.

Advantage of the present utility model and characteristics will illustrate by the non-limitative illustration of following preferred embodiment and explain that these embodiment only provide as an example with reference to accompanying drawing.

Description of drawings

Fig. 1 is front view of the present utility model;

Fig. 2 is the birds-eye view of Fig. 1;

Fig. 3 is the I portion enlarged drawing of Fig. 1.

The specific embodiment

Below in conjunction with drawings and Examples to being described further.

As Fig. 1～shown in Figure 3, present embodiment comprises the bindiny mechanism 5 of framework 1, upper mounting plate 2, guiding mechanism 3, jacking system 4 and upper mounting plate 2 and jacking system 4, framework 1 is the cuboid framework of section bar welding, and upper mounting plate 2 is the rectangular frame of section bar welding, on cover flat board 21.Guiding mechanism 3 is arranged on four jiaos of framework 1, and upper mounting plate 2 links to each other with framework 1 by guiding mechanism 3.Guiding mechanism 3 comprises 4 pilot bars 31 that are separately positioned on four jiaos of framework 1,4 orienting sleeves 32 and 8 fixed covers 33 of matching respectively with pilot bar 31, the upper and lower side of pilot bar 31 is separately fixed in the fixed cover 33, fixed cover 33 is connected with upper end or the lower end of framework 1,4 orienting sleeve 32 positions are corresponding one by one with pilot bar 31 positions, are separately positioned on four jiaos of upper mounting plate 2.

Bindiny mechanism 5 comprises bulb 51, bulb lid 52 and ball cap 53, ball cap 53 bottoms are fixed on upper mounting plate 2 downside central authorities by 4 fasteners, bulb 51 upper ends and ball cap 53 match, bulb 51 is hinged with ball cap 53 by bulb lid 52, bulb flange 511 is radially extended in bulb 51 lower ends, and bulb flange 511 links to each other with jacking system 4 by 4 fasteners.

Jacking system 4 comprises four bar linkworks 41, horizontal lead screw 42 and handle 43, four bar linkworks 41 comprise a pair of upper boom 411, a pair of lower beam 412, upper support piece 413, lower support seat 414 and two middle swivel pins, a pair of upper boom 411 upper ends are hinged with upper support piece 413 lower ends by last swivel pin 415 respectively, the bulb flange 511 of upper support piece 413 upper ends and bulb 51 lower ends is connected, a pair of lower beam 412 lower ends are respectively by swivel pin 416 is hinged with lower support seat 414 upper ends down, a pair of upper boom 411 lower ends and a pair of lower beam 412 upper ends are hinged by middle swivel pin respectively, horizontal lead screw 42 successively passes two middle swivel pins, horizontal lead screw 42 1 ends are threaded with swivel pin 417 in first, other is supported in second in the swivel pin 418, and horizontal lead screw 42 1 end terminations and handle 43 are connected.By screw thread link to each other with an end horizontal lead screw 42 1 ends first in swivel pin 417 adjacent with handle 43 away from swivel pin in the handle 43, the second 418.Lower support seat 414 is fixed on down seat 419 upsides, the framing member of lower support seat 414 for being welded into after the sheet steel bending, and following 419 bathtub construction that forms for the sheet steel flanging, following 419 two ends are welded on framework 1 downside.

When using the utility model rising weight, forward rotation handle 43, the horizontal lead screw 42 1 that is threaded with swivel pin 417 in first is rectified to rotation, a pair of upper boom 411 and a pair of lower beam 412 of four bar linkworks 41 are drawn close mutually, make upper support piece 413 carry weight by bindiny mechanism's 5 promotion upper mounting plates 2 and are elevated to the desired position.When using the utility model decline weight, backward rotation handle 43, the horizontal lead screw 42 1 end backward rotation that are threaded with swivel pin 417 in first, a pair of upper boom 411 and a pair of lower beam 412 of four bar linkworks 41 deviate from mutually, make upper support piece 413 carry weight by bindiny mechanism's 5 pulling upper mounting plates 2 and drop to the desired position.The power of shaking of handle 43 is very little, just can raise or reduce the weight of platform 2 carryings easily, and is very easy to use.

In addition to the implementation, the utility model can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.

Claims

1. a hand-operated lifting platform is characterized in that, comprises the bindiny mechanism of framework, upper mounting plate, guiding mechanism, jacking system and upper mounting plate and jacking system, and described guiding mechanism is arranged on four jiaos of framework, and upper mounting plate links to each other with framework by guiding mechanism; Described bindiny mechanism comprises bulb, bulb lid and ball cap, and described ball cap bottom is fixed on upper mounting plate downside central authorities, and the bulb upper end matches with ball cap, and bulb is hinged with ball cap by the bulb lid, and the bulb lower end links to each other with jacking system; Described jacking system comprises four bar linkworks, horizontal lead screw and handle, described four bar linkworks comprise a pair of upper boom, a pair of lower beam, the upper support piece, lower support seat and two middle swivel pins, described a pair of upper boom upper end is hinged with upper support piece lower end respectively, upper support piece upper end is connected with the bulb lower end, a pair of lower beam lower end is hinged with lower support seat upper end respectively, a pair of upper boom lower end and a pair of lower beam upper end are hinged by middle swivel pin respectively, horizontal lead screw successively passes two middle swivel pins, horizontal lead screw one end is threaded with swivel pin in first, the horizontal lead screw other end is supported in second in the swivel pin, and horizontal lead screw one end termination and handle are connected; Described lower support seat is fixed on down the seat upside, and described following is fixed on the framework underside.

2. hand-operated lifting platform according to claim 1, it is characterized in that, described guiding mechanism comprises several pilot bars, several orienting sleeves and several fixed covers, every pilot bar and an orienting sleeve match, and described pilot bar is separately positioned on four jiaos of framework, and the upper and lower side of pilot bar is connected by upper end or the lower end of fixed cover and framework respectively, several orienting sleeve positions are corresponding one by one with several pilot bar positions, are separately positioned on four jiaos of upper mounting plate.

3. hand-operated lifting platform according to claim 1 is characterized in that, swivel pin is adjacent with handle in described second.