CN201647933U

CN201647933U - Manual lifting platform

Info

Publication number: CN201647933U
Application number: CN201020140619XU
Authority: CN
Inventors: 杨明生; 郭业祥; 刘惠森; 范继良; 王曼媛; 王勇; 张华�
Original assignee: Dongguan Anwell Digital Machinery Co Ltd
Current assignee: Dongguan Anwell Digital Machinery Co Ltd
Priority date: 2010-03-23
Filing date: 2010-03-23
Publication date: 2010-11-24
Anticipated expiration: 2020-03-23

Abstract

The utility model discloses a manual lifting platform, which comprises a supporting frame, a transmission mechanism, a sliding mechanism and a lifting support, wherein the transmission mechanism comprises a first transmission component, a second transmission component, a fixed seat arranged on the supporting frame, and a transmission shaft which passes through the fixed seat and is fixedly connected with the first transmission component and the second transmission component at two ends respectively, the first transmission component comprises a handle which passes through the supporting frame and is pivoted with the supporting frame, a worm fixedly connected with one end of the handle and a worm wheel which is fixedly connected with one end of the transmission shaft and is meshed with the worm, the second transmission component comprises a rack vertically arranged on the lifting support and a gear which is fixedly connected with the other end of the transmission shaft and is meshed with the rack; the sliding mechanism comprises a guide rail which is arranged on the support frame and is parallel to the rack and a sliding block which is arranged on the lifting support and is in sliding clamping connection with the guide rail. The manual lifting platform is stable in lifting, safe, reliable, high in lifting precision, large in stroke, free of noise and capable of not polluting the environment during use, simple in structure and light in size.

Description

The hand-operated lifting platform

Technical field

The utility model relates to a kind of haulage equipment, relates in particular to a kind of hand-operated lifting platform.

Background technology

In life staying idle at home or market sale, usually need to carry some article, as household electrical appliances, furniture, cupboard, vase or the like, usually people adopt artificial lifting mode to carry article, yet a dead lift is not only hard, sometimes also need many people to assist just can finish, therefore, people wish to have a kind of lifting table that can loaded with articles to replace a dead lift.

Lifting table is a kind of multi-functional lifting loading-unload machine equipment, generally can be divided into: fixed type lifting table, mobile hoistable platform, guide tracked lifting table and crank arm type lifting table etc.Traditional lifting table is used for aspects such as industry, building, traffic, aloft work mostly, and volume is general relatively large and complex structure is heavy, therefore is not suitable in the sale of general life staying idle at home or market; In addition, traditional lifting table mechanism mostly adopts hydraulic lifting system to drive, because hydraulic lifting system needs hydraulic actuating cylinder and liquid pump, therefore this lifting table mechanism only is applicable to industrial, is used for indoorly then can causing noise and pollution.

Therefore, be necessary to provide a kind of follow-on hand-operated lifting platform to overcome above-mentioned defective.

The utility model content

The purpose of this utility model provides a kind of hand-operated lifting platform, and described hand-operated lifting lifting platform is steady, safe and reliable, lifting precision height and stroke are big, does not have noise and do not pollute the environment in the process of using, and is simple in structure simultaneously, volume is light and handy.

To achieve these goals, the utility model provides a kind of hand-operated lifting platform, described hand-operated lifting platform comprises bracing frame, transmission device, slide mechanism and be used to carry the lifting support for the treatment of the lifting thing: described transmission device comprises first transmission component, second transmission component, be located at the permanent seat on the support frame as described above and pass described permanent seat and the transmission shaft of two ends difference described first transmission component of captive joint and second transmission component, described first transmission component comprises the handle that passes support frame as described above and articulate with support frame as described above, be fixedly connected on described handle an end worm screw and be fixedly connected on described transmission shaft an end and with the worm gear of described worm mesh, described second transmission component comprise the other end that is vertical at the tooth bar on the described lifting support and is fixedly connected on described transmission shaft and with described tooth bar gears in mesh; Described slide mechanism comprise be located on the support frame as described above and the guide rail parallel with described tooth bar and be located on the described lifting support and with the slide block of described guide rail slip clamping, rotate described handle, thereby make described lifting support in the dipping and heaving that realizes under the cooperation of described gear and tooth bar on the vertical direction.

Preferably, support frame as described above is vertical bending structure, support frame as described above comprises horizontal part and vertical component effect, described horizontal part is vertically connected at the lower end of described vertical component effect, the upper end of described vertical component effect is provided with described permanent seat, be equipped with described transmission shaft on the described permanent seat, the two ends of described transmission shaft are described worm gear of captive joint and gear respectively.

Preferably, described lifting support is vertical bending structure, described lifting unit comprises supporting part and lifting unit, described supporting part is vertically connected at the upper end of described lifting unit, the lifting unit of described lifting support is parallel corresponding setting with the vertical component effect of support frame as described above in vertical direction, vertically be provided with described guide rail on the described vertical component effect, described lifting unit be provided with the slide block of described guide rail slip clamping and with the tooth bar of described gear mesh.

Preferably, described lifting unit comprises upper and lower side arm and the left and right side arm that is oppositely arranged, described upper and lower, left and right side arm surrounds first rectangular space, described supporting part by the last side arm of described lifting unit dorsad the vertical component effect horizontal-extending of support frame as described above form, described tooth bar is vertical between the described upper and lower side arm and is contained in described first rectangular space.

Preferably, the upper surface of described horizontal part is provided with lower position block, described vertical component effect is provided with upper limit position block, position under the corresponding described side arm down of described lower position block is provided with, one end of described upper limit position block is fixed on the described vertical component effect, the other end of described upper limit position block pass described first rectangular space and be positioned at described down side arm directly over.

Preferably, be evenly distributed with roller on the lower surface of described horizontal part.

Preferably, described roller is a universal rolling wheel

Preferably, described hand-operated lifting platform also comprises handle, and described handle is located on the described vertical component effect and is positioned at the same side with the free end of described handle.

Compared with prior art, hand-operated lifting platform of the present utility model adopts worm and worm wheel to cooperate rotation and rack and pinion to cooperate to rotate and realizes the lifting of hand-operated lifting flat-bed, because worm screw, worm gear have auto-lock function, therefore make that the hand-operated lifting lifting platform is safe and reliable; Simultaneously, adopt tooth bar, gear transmission to make hand-operated lifting lifting platform precision height, stroke big; In addition, hand-operated lifting platform of the present utility model also adopts guide rail, slide block transmission, and guide rail, slide block play the guiding role to whole hand-operated lifting platform, therefore makes the hand-operated lifting lifting platform steady, smooth and easy; Moreover hand-operated lifting platform of the present utility model adopts handle drives, has therefore avoided noise and the pollution of using hydraulic control system to cause in the prior art, simultaneously handle drives make simple in structure, volume is light and handy.

By following description also in conjunction with the accompanying drawings, it is more clear that the utility model will become, and these accompanying drawings are used to explain embodiment of the present utility model.

Description of drawings

Fig. 1 is the structural representation in specific embodiment of the utility model hand-operated lifting platform.

Fig. 2 is the structural representation under another angle of hand-operated lifting platform shown in Figure 1.

Fig. 3 is the structural representation of hand-operated lifting platform shown in Figure 1 under the decline state.

Fig. 4 is the structural representation of hand-operated lifting platform shown in Figure 1 under propradation.

The specific embodiment

With reference now to accompanying drawing, describe embodiment of the present utility model, the similar elements label is represented similar elements in the accompanying drawing.As mentioned above, the utility model provides a kind of hand-operated lifting platform, and described hand-operated lifting lifting platform is steady, safe and reliable, lifting precision height and stroke are big, does not have noise and do not pollute the environment in the process of using, and is simple in structure simultaneously, volume is light and handy.

With reference to figure 1-4, in a specific embodiment of the present utility model, described hand-operated lifting platform 1 comprises bracing frame 10, transmission device 30, slide mechanism 40 and is used to carry the lifting support 20 for the treatment of the lifting thing.Described transmission device 30 comprises first transmission component, second transmission component, be located at the permanent seat 33 on the support frame as described above 10 and pass described permanent seat 33 and the transmission shaft 34 of two ends difference described first transmission component of captive joint and second transmission component, described first transmission component comprises the handle 310 that passes support frame as described above 10 and articulate with support frame as described above 10, be fixedly connected on described handle 310 an end worm screw 311 and be fixedly connected on described transmission shaft 34 an end and with described worm screw 311 ingear worm gears 312, described second transmission component comprise the other end that is vertical at the tooth bar 321 on the described lifting support 20 and is fixedly connected on described transmission shaft 34 and with described tooth bar 321 gears in meshs 322; Described slide mechanism 40 comprise be located on the support frame as described above 10 and the guide rail 41 parallel with described tooth bar 321 and be located on the described lifting support 20 and with the slide block 42 of described guide rail 41 slip clampings, rotate described handle 310, thereby make described lifting support 20 in the dipping and heaving that realizes under the cooperation of gear 322 and tooth bar 321 on the vertical direction.

With reference to Fig. 1-2, in the present embodiment, support frame as described above 10 is vertical bending structure, support frame as described above 10 comprises horizontal part 11 and vertical component effect 12, described horizontal part 11 is vertically connected at the lower end of described vertical component effect 12, the upper end of described vertical component effect 12 is provided with described permanent seat 33, is equipped with described transmission shaft 34 on the described permanent seat 33, and the two ends of described transmission shaft 34 are described worm gear 312 of captive joint and gear 322 respectively.Described lifting support 20 also is vertical bending structure, described lifting support 20 comprises supporting part 21 and lifting unit 22, described supporting part 21 is vertically connected at the upper end of described lifting unit 22, the lifting unit 22 of described lifting support 20 is parallel corresponding setting with the vertical component effect 12 of support frame as described above 10 in vertical direction, vertically be provided with described guide rail 41 on the described vertical component effect 12, described lifting unit 22 is provided with slide block 42 and and the described gear 322 ingear tooth bars 321 with described guide rail 41 slip clampings.

With reference to figure 1 and Fig. 3-4, described lifting unit 22 comprises upper and lower side arm 221,223 and the left and right side arm 222,224 that is oppositely arranged, described upper and lower, left and right side arm 221,223,222,224 surrounds first rectangular space 200, described supporting part 21 by the last side arm 221 of described lifting unit 22 dorsad vertical component effect 12 horizontal-extendings of support frame as described above 10 form, described tooth bar 321 is vertical between the described upper and lower side arm 221,223 and is contained in described first rectangular space 200.

Described vertical component effect 12 comprise be oppositely arranged first, the 3rd side arm 121,123 and second, the 4th side arm 122,124, described first, the 3rd, the second and the 4th side arm 121,123,122,124 respectively with described lifting unit 22 on, down, a left side, right arm 221,223,222,224 is parallel one by one, and described first, the 3rd, the second and the 4th side arm 121,123,122,124 surround second rectangular space 100, described horizontal part 11 form by described the 3rd side arm 123 horizontal-extendings and the bearing of trend of described horizontal part 11 identical with the bearing of trend of described supporting part 21, one end of described permanent seat 33 is fixed in the lower surface of described first side arm 121, the other end extends to second rectangular space 100, described guide rail 41 is vertical at the medial surface (figure do not show) of described second side arm 122, and described medial surface is the side with described lifting unit 22 opposing vertical portions 12.More specifically, described hand-operated lifting platform 1 also comprises worm screw seat 13, the lateral surface (figure does not show) of described first side arm 121 is fixed in the upper end of described worm screw seat 13, described lateral surface is and the rightabout side of described medial surface, the lower ends downward of described worm screw seat 13 is extended, and described handle 310 passes the lower end of described worm screw seat 13 and articulates with described worm screw seat 13.In the present embodiment, also comprise handle 14, described handle 14 is located on the lateral surface of described the second, the 4th side arm 122,124, and being provided with of described handle 14 makes things convenient for the user to operate described hand-operated lifting platform 1.

Particularly, the upper surface of described horizontal part 11 is provided with lower position block 15, the 4th side arm 124 of described vertical component effect 12 is provided with upper limit position block 16, position under the described lower position block 15 corresponding described side arms 223 down is provided with, one end of described upper limit position block 16 is fixed on the 4th side arm 124 of described vertical component effect 12, the other end of described upper limit position block 16 pass described first rectangular space 200 and be positioned at described down side arm 223 directly over.Described upper and

lower spacing

15,16 setting make the steadily lifting and spacing on certain stroke of described hand-operated lifting platform 1.

Particularly, be evenly distributed with roller 111 on the lower surface of described horizontal part 11, in the present embodiment, described roller 111 is a universal rolling wheel, steadily place when using described universal stopping wheel 111 that described hand-operated lifting platform 1 is stopped, direction changes freely during motion, thereby is easy to control the sense of motion of described hand-operated lifting platform 1.

Be described in detail below in conjunction with the principle of work of Fig. 1-4 pair of the utility model hand-operated lifting platform 1 in a specific embodiment:

When needs carry out descending operation to described hand-operated lifting platform 1, rotate the free end of described handle 310, the rotating band of described handle 310 is dynamically connected and rotates in the worm screw 311 of one end, thereby rotary power is delivered to described worm gear 312 is rotated, because described worm gear 312 and gear 322 are individually fixed in the two ends of described transmission shaft 34, therefore, rotary power was delivered on the described gear 322 when described worm gear 312 rotated, through described gear 322, the cooperation transmission of tooth bar 321, described rotary power is converted into the lifting power of described tooth bar 321, and then make described lifting support 20 realize lifting, in the process of described lifting support 20 liftings, described guide rail 41 and slide block 42 play the location and the guiding effect, described on,

lower position block

15,16 play a part spacing and buffering.

As mentioned above, the utility model hand-operated lifting platform 1 adopts worm screw 311 and worm gear 312 to cooperate rotation and tooth bar 321 and gear 322 to cooperate and rotates the lifting that realizes hand-operated lifting platform 1, because worm screw 311, worm gear 312 have auto-lock function, therefore make that hand-operated lifting platform 1 elevating safety is reliable; Simultaneously, adopt tooth bar 321, gear 322 transmissions to make hand-operated lifting platform 1 lifting precision height, stroke big; In addition, hand-operated lifting platform 1 of the present utility model also adopts guide rail 41, slide block 42 transmissions, and

guide rail

41,42 pairs of whole hand-operated lifting platforms 1 of slide block play the guiding role, and therefore makes that 1 lifting of hand-operated lifting platform is steady, smooth and easy; Moreover hand-operated lifting platform of the present utility model 1 adopts handle 310 to drive, and has therefore avoided noise and the pollution of using hydraulic control system to cause in the prior art, simultaneously handle 310 drive make simple in structure, volume is light and handy.

Abovely the utility model is described, but the utility model is not limited to the embodiment of above announcement, and should contains various modification, equivalent combinations of carrying out according to essence of the present utility model in conjunction with most preferred embodiment.

Claims

1. A manual lifting platform, characterized in that it includes a support frame, a transmission mechanism, a sliding mechanism and a lifting bracket for carrying objects to be lifted:

The transmission mechanism includes a first transmission assembly, a second transmission assembly, a fixing seat arranged on the support frame, and a pair of wires that pass through the fixing seat and are fixedly connected to the first transmission assembly and the second transmission assembly at both ends. The transmission shaft, the first transmission assembly includes a handle that passes through the support frame and is pivotally connected with the support frame, a worm screw fixedly connected to one end of the handle, and one end fixedly connected to the transmission shaft and connected to the A worm gear meshed with a worm, the second transmission assembly includes a rack vertically arranged on the lifting bracket and a gear fixedly connected to the other end of the transmission shaft and meshing with the rack;

The sliding mechanism includes a guide rail arranged on the support frame and parallel to the rack, and a slider arranged on the lifting bracket and slidingly engaged with the guide rail, and the handle is rotated so that the The lifting bracket realizes vertical lifting movement under the cooperation of the gear and the rack.

2. The manual lifting platform according to claim 1, wherein the support frame is a vertically bent structure, the support frame includes a horizontal portion and a vertical portion, and the horizontal portion is vertically connected to the vertical portion The lower end, the upper end of the vertical part is provided with the fixed seat, the fixed seat is pierced with the transmission shaft, and the two ends of the transmission shaft are respectively fixedly connected with the worm wheel and the gear.

3. The manual lifting platform according to claim 2, wherein the lifting bracket is in a vertically bent structure, the lifting part includes a bearing part and a lifting part, and the bearing part is vertically connected to the bottom of the lifting part At the upper end, the lifting part of the lifting bracket is parallel to the vertical part of the support frame in the vertical direction. The slider connected and the rack meshed with the gear.

4. The manual lifting platform according to claim 3, wherein the lifting part comprises upper and lower side arms and left and right side arms arranged oppositely, and the upper, lower, left and right side arms surround In the first rectangular space, the carrying part is formed by the upper arm of the lifting part extending horizontally away from the vertical part of the support frame, and the rack is vertically arranged between the upper and lower arms and accommodated in Inside the first rectangular space.

5. The manual lifting platform according to claim 4, wherein a lower limit block is provided on the upper surface of the horizontal portion, an upper limit block is provided on the vertical portion, and the lower limit block corresponds to the lower limit block. The position directly below the side arm is set, one end of the upper limit block is fixed on the vertical part, and the other end of the upper limit block passes through the first rectangular space and is located directly above the lower side arm .

6. The manual lifting platform according to claim 2, wherein rollers are evenly distributed on the lower surface of the horizontal portion.

7. The manual lifting platform according to claim 6, wherein the rollers are universal rollers.

8 . The manual lifting platform according to claim 2 , further comprising a handle, the handle is arranged on the vertical portion and is located on the same side as the free end of the handle.