CN2923652Y - Single-chain lifting system of electric lifting hand-cart - Google Patents
Single-chain lifting system of electric lifting hand-cart Download PDFInfo
- Publication number
- CN2923652Y CN2923652Y CN 200620105168 CN200620105168U CN2923652Y CN 2923652 Y CN2923652 Y CN 2923652Y CN 200620105168 CN200620105168 CN 200620105168 CN 200620105168 U CN200620105168 U CN 200620105168U CN 2923652 Y CN2923652 Y CN 2923652Y
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- CN
- China
- Prior art keywords
- guide rail
- wheel
- jockey pulley
- axle
- electric
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to an electric lifting wheelbarrow for handing objects, especially to a lifting system by single chain of the electric lifting wheelbarrow. Two parallel guides are fixed to form a wheelbarrow body through connecting plate. A cargo bearing shelf is provided on the front side of the lower end of the two guides. The upper end of the wheelbarrow body is provided with an upper chain wheel and the lower end of the wheelbarrow body is provided with a lower chain wheel driven by motor. A transmission chain is rounded on the upper and lower chain wheels. The middle of posterior goods bearing shelf is connected with the front side of the transmission chain. Two sides of the goods bearing shelf are respectively provided with guide wheels coordinated with the guide on the both sides of the wheelbarrow body. The utility model with the advantages of simple structure, reliable performance, less energy consumption, stronger lifting capacity and less noise solves the problems of complex structure, easy failure of hydraulic system and unreliable performance of the existing wheelbarrow using hydraulic lifting or high energy consumption, poor lifting capacity, high noise of the existing double-chain lifting wheelbarrow.
Description
Technical field
The utility model relates to a kind of electric up-down hand barrow of carrying object, particularly a kind of electric up-down hand barrow strand jacking system.
Technical background
The hand barrow of band elevating function can be widely used in factory, the station, harbour, the airport, the warehouse, hospital and multiple occasion with smooth place need carrying small-sized weight, as a kind of tubular guide rail hydraulic lift truck (patent No.: CN94215782.6), comprise car body, plunger fuel pump, hydraulic ram, cargo carrying support and guide rail, described lift car also comprises gear type sprocket wheel and chain, the gear type sprocket wheel is positioned at the piston rod upper end on hydraulic ram top, chain one end on the sprocket wheel links to each other with the upright crossbeam of car body, the other end links to each other with the cargo carrying support, described guide rail is made by steel pipe, the guide rail lower end is connected with car body, middle-end partly is fixed in the car body stand, the upper end is semicircular arc, the straight line portion of whole guide rail is set in the cargo carrying support top shoe, constitute bearing fit, the straight line portion guide rail is by the clamping of cargo carrying support bottom roller, and constituting rolls cooperates.The hydraulic efficiency elevation structure structure that above-mentioned patent scheme adopts is comparatively complicated, and hydraulic efficiency pressure system lost efficacy easily, and performance is unreliable.
Thereby adopt the double-stranded bar of motor-driven to rotate the trolley structure that drives the lifting of cargo carrying frame in the prior art in addition, this structure need convert the sprocket rotation of two chains through an intermediary agency to from motor output, degradation of energy is bigger in the process of conversion, simultaneously because the existence of double-stranded bar has caused the energy of loss due to friction also to strengthen, therefore, adopt the ability of lifting object of hand barrow of double-stranded bar lifting relatively poor, noise is also bigger.
Summary of the invention
It is a kind of simple in structure that the utility model purpose is to provide, dependable performance, energy consumption is less, hoisting capacity is stronger, the electric up-down hand barrow strand jacking system that noise is less, and it is comparatively complicated to have solved the structure that the hand barrow of available technology adopting hydraulic lifting exists, and hydraulic efficiency pressure system lost efficacy easily, problems such as the energy consumption that performance hand barrow unreliable or existing double-stranded bar lifting exists is bigger, and hoisting capacity is relatively poor, and noise is bigger.
Above-mentioned technical purpose of the present utility model mainly solves by the following technical programs: two guide rails that be arranged in parallel are fixedly connected into the hand barrow car body by connecting panel, front side, lower end at two guide rails is provided with the cargo carrying frame, described car body upper end is provided with upper sprocket wheel, described car body lower end is provided with by motor-driven lower sprocket, and messenger chain is around on upper sprocket wheel and the lower sprocket; Cargo carrying frame rear side middle part is fixed with the messenger chain front side, and described cargo carrying frame both sides are respectively equipped with the guide wheel that the guide rail with the car body both sides cooperatively interacts.Wherein, lower sprocket is directly by motor-driven, reduce motor and outputed to waste of power between the sprocket wheel, simultaneously, adopt the strand transmission, also reduced the friction in the chain gear process, reduced the waste of power of friction, improve hoisting capacity of the present utility model, also reduced the noise in the cargo carrying frame lifting process; Adopt the strand transmission to cooperate two side guide wheels and guide rail directional tagging, make the steady lifting of cargo carrying frame, simplify the structure, improved the serviceability of the utility model lifting.
As preferably, the first half of described messenger chain is provided with sheath outward, and described sheath is the U type structure of front openings, is connected by orienting sleeve between described cargo carrying frame and the messenger chain, and described orienting sleeve slides up and down with sheath and cooperates.Wherein, sheath can enclose the first half of chain within it on the one hand, prevents contacting of chain and goods when goods places on the cargo carrying frame, thereby avoids the damage of chain to goods; On the other hand, sheath cooperates with orienting sleeve, can play directional tagging in the cargo carrying frame lifting process, makes that the cargo carrying frame can more steadily lifting.
As preferably, the cross section of described guide rail is back-shaped structure, and the guide rail medial surface is provided with the opening that is provided with vertically, in the remaining remaining portion that has as spigot surface of at least one side of opening; Cargo carrying frame and guide wheel wheel carrier are fixed, and are fixed with orthogonal main axle and jockey pulley axle on the wheel carrier; Main axle one end extends in the back-shaped structure of guide rail, and is provided with main wheel in the main axle end, and main wheel is limited in the back-shaped structure of guide rail; At least one end of jockey pulley axle is provided with jockey pulley, and the circumference of jockey pulley is against the guide rail medial surface as on remaining of spigot surface.The axis of main wheel and jockey pulley is vertical mutually, during cargo carrying frame bearing goods, main wheel is walked in the back-shaped structure of guide rail, simultaneously cargo carrying frame fore-and-aft direction is located, on remaining that the medial surface that jockey pulley then is against two guide rails uses as spigot surface, cargo carrying frame left and right directions is located, thereby with the cargo carrying frame all around four direction locate simultaneously, prevented the swing all around of cargo carrying frame, make the cargo carrying frame when bearing goods, can move swimmingly, the convenient use reduced the wearing and tearing between roller and the guide rail simultaneously, prolonged service life of the present utility model.
As preferably, be respectively equipped with the last main axle and the last jockey pulley axle that are provided with near the wheel carrier top and bottom on the described wheel carrier and reach main axle and following jockey pulley axle down, described going up on main axle and the following main axle is respectively equipped with main wheel, and described going up on jockey pulley axle and the following jockey pulley axle is respectively equipped with jockey pulley.Main wheel and jockey pulley are being set near the wheel carrier top and bottom respectively, can making that all direction obtains the location all around up and down with the fixing cargo carrying frame of wheel carrier, making the steadily lifting of cargo carrying frame, easy to use.
As preferably, the cross section of described wheel carrier is the back-shaped structure of osed top.Adopt the wheel carrier of back-shaped structural section, can alleviate the own wt of hand barrow on the whole, the convenient use.
As preferably, two end faces of described main wheel respectively with the alternate setting of inwall of guide rail, prevent the front/rear end of main wheel and the friction between the guide rail inwall, make that the rolling between guide rail and the main wheel is more smooth and easy.
As preferably, the both sides that described guide rail medial surface is positioned at opening are respectively equipped with remaining portion.The remaining portion of opening both sides, the spigot surface that remaining conduct of a side cooperates with jockey pulley uses, remaining the intensity that then can increase guide rail of opposite side, remaining of both sides cooperates the back-shaped structure of opening that forms main wheel can be limited in the guide rail simultaneously.
As preferably, the inwall of described guide rail lateral surface is provided with the thickening part.Wherein, the thickening part can increase the bending strength of guide rail, improves durability of the present utility model.
Therefore, the utlity model has simple in structure, dependable performance, characteristics such as energy consumption is less, and hoisting capacity is stronger, and noise is less.
Description of drawings
Fig. 1 is the utility model a kind of mounting structure scheme drawing of the present utility model;
Fig. 2 is a kind of perspective view of the present utility model;
Fig. 3 is the construction profile scheme drawing of Fig. 2;
Fig. 4 is the main TV structure scheme drawing of Fig. 2;
Fig. 5 is the plan structure scheme drawing of Fig. 2;
Fig. 6 is the perspective view of the utility model chain system;
Fig. 7 is the side-looking structural representation of the utility model chain system;
Fig. 8 is the A place structure for amplifying scheme drawing of Fig. 7;
Fig. 9 is the B place structure for amplifying scheme drawing of Fig. 7.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: as shown in Figure 1, two guide rails that be arranged in parallel 3 are fixedly connected into the hand barrow car body by connecting panel 14, front side, lower end at two guide rails 3 is provided with cargo carrying frame 7, car body rear side lower end is provided with battery bracket 15, battery bracket 15 outsides are connected with brace 16 lower ends, and the upper end of brace 16 is connected with the middle part of guide rail 3, and battery bracket 15 both sides are provided with road wheel 17, battery bracket 15 belows are provided with and are provided with cargo carrying frame 7 lifting mechanisms 19 that driven by motor 18 between motor 18, two guide rails 3.Handle 21 middle parts be rotatably connected on the affixed positioning plate 22 of guide rail 3 on, an energy is arranged on the lockout mechanism that the relative position between guide rail 3 and the handle 21 limits between guide rail 3 and the handle 21, is provided with two Universal castors 23 in handle 21 lower ends.Lockout mechanism comprises positioning plate 22 that is fixedly connected on the guide rail 3 and the locating dowel pin of being located on the handle 24; Positioning plate 22 has an arc limit 25, and it is 90 ° that arc limit 25 is provided with two groups of arc angles between 26, two groups of limited impressions 26 of limited impression corresponding with two running conditions of handle 21 respectively and that be used with locating dowel pin 24; Handle 21 has both sides 211 and is connected bottom 212 and top 213 between the both sides 211, the top and bottom of both sides 211 are bent to form turn of bilge and downward bent part to the rear of handle 21 respectively, between last turn of bilge and downward bent part, form straight portion, angle between last turn of bilge and the straight portion is 32 °, and the angle between downward bent part and the straight portion is 15 °; Locating dowel pin 24 is horizontally installed between the both sides 211 of handle 21, is provided with retracing spring 27 between the bottom 212 of locating dowel pin 24 and handle 21, and retracing spring 27 has locating dowel pin 24 is pushed trend in the limited impression 26 of positioning plate 22.
As Fig. 6, Fig. 7, Fig. 8 and shown in Figure 9, the structure of lifting mechanism 19 is: the connecting panel of car body upper end is provided with upper sprocket wheel 41, and the car body lower end is provided with the lower sprocket 42 that is driven by motor 18, and messenger chain 43 is around on upper sprocket wheel 41 and the lower sprocket 42; Cargo carrying frame 7 rear sides middle part is fixed with messenger chain 43 front sides, the first half of messenger chain 43 is provided with sheath 44 outward, sheath 44 is the U type structure of front openings, is connected by orienting sleeve 45 between cargo carrying frame 7 and the messenger chain 43, and orienting sleeve 45 slides up and down with sheath 44 and cooperates.
Be provided with the guide track system that cooperatively interacts between the guide rail of cargo carrying frame and car body both sides, guide track system comprises left part 1 and the right part 2 that left-right symmetric be arranged in parallel, as Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, the structure of left part and right part is: have the guide rail 3 that a cross section is back-shaped structure, the inwall of guide rail lateral surface is provided with thickening part 13, guide rail 3 medial surfaces are provided with the opening 4 that is provided with vertically, and remaining respectively in the both sides of opening 4 have remaining 5 and remaining 6, and wherein remaining 6 as spigot surface; Have one with the fixing wheel carrier 8 (referring to Fig. 1) of cargo carrying frame 7, the cross section of wheel carrier 8 is the back-shaped structure of osed top, is fixed with orthogonal main axle 9 and jockey pulley axle 10 on the wheel carrier 8; Main axle 9 comprises last main axle 9-1 that is provided with near the wheel carrier upper end and the following main axle 9-2 that is provided with near the wheel carrier lower end, the jockey pulley axle comprises last jockey pulley axle 10-1 that is provided with near the wheel carrier upper end and the following jockey pulley axle 10-2 that is provided with near the wheel carrier lower end, main axle 9 one ends extend in the back-shaped structure of guide rail 3, and be provided with main wheel 11 in main axle 9 ends, main wheel 11 is limited in the back-shaped structure of guide rail 3, two end faces of main wheel 11 respectively with the alternate setting of inwall of guide rail 3; Jockey pulley axle 10 at least one ends are provided with jockey pulley 12, and the circumference of jockey pulley 12 is against guide rail 3 medial surfaces as on remaining 6 of spigot surface.
Claims (8)
1, a kind of electric up-down hand barrow strand jacking system, two guide rails that be arranged in parallel are fixedly connected into the hand barrow car body by connecting panel, front side, lower end at two guide rails is provided with the cargo carrying frame, it is characterized in that: described car body upper end is provided with upper sprocket wheel, described car body lower end is provided with by motor-driven lower sprocket, and messenger chain is around on upper sprocket wheel and the lower sprocket; Cargo carrying frame rear side middle part is fixed with the messenger chain front side, and described cargo carrying frame both sides are respectively equipped with the guide wheel that the guide rail with the car body both sides cooperatively interacts.
2, electric up-down hand barrow strand jacking system according to claim 1, the first half that it is characterized in that described messenger chain is provided with sheath outward, described sheath is the U type structure of front openings, be connected by orienting sleeve between described cargo carrying frame and the messenger chain, described orienting sleeve slides up and down with sheath and cooperates.
3, electric up-down hand barrow strand jacking system according to claim 1 and 2, the cross section that it is characterized in that described guide rail is back-shaped structure, the guide rail medial surface is provided with the opening that is provided with vertically, in the remaining remaining portion that has as spigot surface of at least one side of opening; Cargo carrying frame and guide wheel wheel carrier are fixed, and are fixed with orthogonal main axle and jockey pulley axle on the wheel carrier; Main axle one end extends in the back-shaped structure of guide rail, and is provided with main wheel in the main axle end, and main wheel is limited in the back-shaped structure of guide rail; At least one end of jockey pulley axle is provided with jockey pulley, and the circumference of jockey pulley is against the guide rail medial surface as on remaining of spigot surface.
4, electric up-down hand barrow strand jacking system according to claim 3, it is characterized in that being respectively equipped with on the described wheel carrier the last main axle and the last jockey pulley axle that are provided with near the wheel carrier top and bottom and reach main axle and following jockey pulley axle down, described going up on main axle and the following main axle is respectively equipped with main wheel, and described going up on jockey pulley axle and the following jockey pulley axle is respectively equipped with jockey pulley.
5, electric up-down hand barrow strand jacking system according to claim 3 is characterized in that the cross section of described wheel carrier is the back-shaped structure of osed top.
6, electric up-down hand barrow strand jacking system according to claim 3, two end faces that it is characterized in that described main wheel respectively with the alternate setting of inwall of guide rail.
7, electric up-down hand barrow strand jacking system according to claim 3 is characterized in that the both sides that described guide rail medial surface is positioned at opening are respectively equipped with remaining portion.
8, electric up-down hand barrow strand jacking system according to claim 3 is characterized in that the inwall of described guide rail lateral surface is provided with the thickening part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620105168 CN2923652Y (en) | 2006-06-28 | 2006-06-28 | Single-chain lifting system of electric lifting hand-cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620105168 CN2923652Y (en) | 2006-06-28 | 2006-06-28 | Single-chain lifting system of electric lifting hand-cart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2923652Y true CN2923652Y (en) | 2007-07-18 |
Family
ID=38260080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620105168 Expired - Fee Related CN2923652Y (en) | 2006-06-28 | 2006-06-28 | Single-chain lifting system of electric lifting hand-cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2923652Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264975A (en) * | 2013-05-22 | 2013-08-28 | 苏红星 | Gaugeable and portable electric forklift |
| CN107445114A (en) * | 2017-09-18 | 2017-12-08 | 佛山市三水区精联自动化设备有限公司 | A kind of forklift |
| CN107445115A (en) * | 2017-09-18 | 2017-12-08 | 佛山市三水区精联自动化设备有限公司 | A kind of forklift for being easy to control |
-
2006
- 2006-06-28 CN CN 200620105168 patent/CN2923652Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264975A (en) * | 2013-05-22 | 2013-08-28 | 苏红星 | Gaugeable and portable electric forklift |
| CN103264975B (en) * | 2013-05-22 | 2016-03-16 | 泗县瑞星精密机械厂 | A kind of measurable portable electric electrical forklift |
| CN107445114A (en) * | 2017-09-18 | 2017-12-08 | 佛山市三水区精联自动化设备有限公司 | A kind of forklift |
| CN107445115A (en) * | 2017-09-18 | 2017-12-08 | 佛山市三水区精联自动化设备有限公司 | A kind of forklift for being easy to control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070718 Termination date: 20110628 |