CN204873738U - Tertiary portal and have its fork truck - Google Patents
Tertiary portal and have its fork truck Download PDFInfo
- Publication number
- CN204873738U CN204873738U CN201520277357.4U CN201520277357U CN204873738U CN 204873738 U CN204873738 U CN 204873738U CN 201520277357 U CN201520277357 U CN 201520277357U CN 204873738 U CN204873738 U CN 204873738U
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- inner upright
- upright mounting
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- door frame
- chain drive
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Abstract
The utility model discloses a tertiary portal, be sliding connection's fork frame including interior portal with interior portal, still include and establish just be used for driving the chain drive that the fork frame rises on the interior portal. The utility model discloses a tertiary portal sets up chain drive on the portal including through and is connected with the fork frame, when the portal drives the ascending and decline of fork frame in realizing, can improve the field of vision of driver when operating, avoids influencing driver's the field of vision because of preceding setting that rises the hydro -cylinder, plays to rise the hydro -cylinder before having saved one in addition, has improved the economical of fork truck and price / performance ratio.
Description
Technical field
The utility model belongs to fork truck technical field, and specifically, the utility model relates to a kind of three grades of door frames and has its fork truck.
Background technology
At present, fork truck widely uses in warehouse or other occasions, is commonly used to build high goods or take off goods from eminence.Three grades of door frames of existing fork truck are full free gantries, are with lift oil tank after a front lift oil tank and two.When little to car load requirement for height, not only economic benefit is bad but also the visual field of chaufeur is also very limited, is especially more stopped in the rearward vision of joining several groups of pipelines.
Utility model content
The utility model provides a kind of three grades of door frames and has its fork truck, and object is visual field when increasing driver's operation.
To achieve these goals, the technical scheme that the utility model is taked is: three grades of door frames, comprise outer mast, middle door frame, inner upright mounting and be the goods shelf of sliding block joint with inner upright mounting, also comprise and to be located on described inner upright mounting and for the first chain drive of driving goods shelf to rise with to be fixed on by fastening device on described outer mast and side lift oil tank for driving described middle door frame to rise, fastening device comprises the fixed block be connected with outer mast, the U-bolt entangling side lift oil tank cylinder body and the briquetting be clipped between side lift oil tank cylinder body and fixed block, the two ends of U-bolt are undertaken fastening through after fixed block by nut.
Described inner upright mounting and middle door frame sliding block joint and the second chain drive be provided with on middle door frame for driving inner upright mounting to rise.
What described first chain drive was positioned at described inner upright mounting opens shelves.
Described first chain drive comprises the first sprocket wheel be located on described inner upright mounting and the first chain coordinated with the first sprocket wheel, and one end of the first chain is connected with the chaining plate on described middle door frame, and the other end is connected with the chaining plate on described goods shelf.
Described first chain drive is provided with two groups side by side in opening in shelves of described inner upright mounting.
Described second chain drive comprises the second sprocket wheel be located on described middle door frame and the second chain coordinated with the second sprocket wheel, and one end of the second chain is connected with the chaining plate on described outer mast, and the other end is connected with the chaining plate on described inner upright mounting.
Described second sprocket wheel is arranged on the trailing flank of described middle door frame.
Described second chain drive is provided with two groups side by side.
The utility model additionally provides a kind of fork truck, comprises three grades of above-mentioned door frames.
Three grades of door frames of the present utility model, be connected with goods shelf by arranging chain drive on inner upright mounting, while realizing inner upright mounting drive goods shelf rising and decline, visual field during driver's operation can be improved, avoid the visual field affecting chaufeur because of the setting of front lift oil tank, and eliminate a front lift oil tank, improve the economical of fork truck and cost performance.
Accompanying drawing explanation
This specification sheets comprises the following drawings, shown content respectively:
Fig. 1 is the structural representation of the utility model three grades of door frames;
Fig. 2 is the structural representation of middle door frame;
Fig. 3 is the structural representation of outer mast;
Fig. 4 is the structural representation of inner upright mounting;
Fig. 5 is the structural representation of goods shelf;
Fig. 6 is the assembly drowing of fastening device and side lift oil tank and outer mast;
Be labeled as in figure:
1, goods shelf; 2, outer mast; 3, inner upright mounting; 4, middle door frame; 5, side lift oil tank; 6, the first chaining plate; 7, the second chaining plate; 8, the 3rd chaining plate; 9, the 4th chaining plate; 10, the second sprocket wheel; 11, the second chain; 12, U-bolt; 13, fixed block; 14, adjustment block; 15, briquetting.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, be described in further detail detailed description of the invention of the present utility model, object helps those skilled in the art to have more complete, accurate and deep understanding to design of the present utility model, technical scheme, and contribute to its enforcement.
As shown in Figures 1 to 5, the utility model provides a kind of three grades of door frames, comprise outer mast 2, middle door frame 4, inner upright mounting 3 and goods shelf 1, middle door frame 4 is arranged at opening in shelves of outer mast 2 and both are sliding block joint, inner upright mounting 3 is arranged at opening in shelves of middle door frame 4 and both are sliding block joint, and goods shelf 1 is arranged at opening in shelves of inner upright mounting 3 and is sliding block joint with inner upright mounting 3.These three grades of door frames also comprise be located on inner upright mounting 3 and for the first chain drive (not shown) of driving goods shelf 1 to rise with to be located on middle door frame 4 and the second chain drive for driving inner upright mounting 3 to rise.
Specifically, what the first chain drive was positioned at inner upright mounting 3 opens shelves.These three grades of door frames are connected with goods shelf 1 by arranging chain drive on inner upright mounting 3, while realization drives goods shelf 1 to rise and decline by inner upright mounting 3, visual field during driver's operation can be improved, avoid the visual field affecting chaufeur because of the setting of front lift oil tank, and eliminate a front lift oil tank, improve the economical of fork truck and cost performance.This first chain drive comprises the first sprocket wheel be located on inner upright mounting 3 and the first chain coordinated with the first sprocket wheel, and one end of the first chain is fixedly connected with the first chaining plate 6 on middle door frame 4, and the other end is fixedly connected with the 4th chaining plate 9 on goods shelf 1.
As preferably, the first chain drive is provided with two groups side by side in opening in shelves of inner upright mounting 3, guarantees that goods shelf 1 can reliably hoist and decline by pulsation-free.As shown in Figure 2, the first chaining plate 6 on middle door frame 4 is also provided with two, is fixedly connected with respectively with one end of first chain; Two the first chaining plates 6 are arranged at the top of middle door frame 4, and to downward-extension.As shown in Figure 5, the 4th chaining plate 9 on goods shelf 1 is also provided with two, is fixedly connected with respectively with one end of first chain, and the 4th chaining plate 9 is also arranged on the trailing flank of goods shelf 1, is convenient to be connected with the first chain.
As shown in Figure 1, second chain drive comprises the second sprocket wheel 10 be located on middle door frame 4 and the second chain 11 coordinated with the second sprocket wheel 10, one end of second chain 11 is fixedly connected with the second chaining plate 7 on outer mast 2, and the other end is fixedly connected with the 3rd chaining plate 8 on inner upright mounting 3.Middle door frame 4 can drive inner upright mounting 3 to rise and decline by the second chain drive.
As preferably, the second chain drive is provided with two groups side by side, guarantees that inner upright mounting 3 can reliably hoist and decline by pulsation-free.In two group of second chain drive, wherein the second sprocket wheel 10 of one group of second chain drive is arranged on the trailing flank (namely facing the side of fork truck body) of the middle door frame 4 wherein vertical channel-section steel in side, another second sprocket wheel 10 organizing the second chain drive is arranged on the trailing flank of the vertical channel-section steel of middle door frame 4 opposite side, the second chain 11 coordinated with two the second sprocket wheels 10 is also arranged in the rear of door frame 4, and namely the second chain drive adopts chain rear-mounted.
As shown in Figure 3 and Figure 4, match with the second chain drive, the second chaining plate 7 on outer mast 2 is also provided with two, and two the second chaining plates 7 are located on the trailing flank of a vertical channel-section steel of outer mast 2 respectively; The 3rd chaining plate 8 on inner upright mounting 3 is also provided with two, and two the 3rd chaining plates 8 are located on the trailing flank of a vertical channel-section steel of inner upright mounting 3 respectively.And the second sprocket wheel 10 is located at the apical position place of middle door frame 4, the second chaining plate 7 is positioned at the below of the second sprocket wheel 10, is located at the upper position place of outer mast 2, and the 3rd chaining plate 8 is positioned at the below of the second chaining plate 7, is located at the lower position of inner upright mounting 3.
As shown in Figure 1, outer mast 2 is also provided with two the side lift oil tanks 5 risen for door frame 4 in driving, the cylinder body of two side lift oil tanks 5 is fixedly connected with respectively by fastening device with a channel-section steel of outer mast 2 and parallels with channel-section steel, and side lift oil tank 5 is also positioned at the rear of door frame.The piston rod of side lift oil tank 5 stretches out from the upper end of cylinder body, and be connected with middle door frame 4.
As shown in Figure 6, it comprises U-bolt 12, fixed block 13, adjustment block 14 and briquetting 15 to the fastening device be fixedly connected with the channel-section steel of outer mast 2 for the cylinder body of side lift oil tank 5.Fixed block 13 is weldingly fixed on channel-section steel, and stretch out towards the rear side of channel-section steel in the horizontal direction, U-bolt 12 is enclosed within cylinder body, fixed block 13 is provided with two through holes allowing the two ends of U-bolt 12 pass, adjustment block 14 and briquetting 15 are clipped between cylinder body and fixed block 13, the side of briquetting 15 is the arc surface contacted with outer surface of cylinder block, and opposite side is the plane contacted with adjustment block 14.The two ends of U-bolt 12, through after fixed block 13, are undertaken fastening by nut.The fastening device of this structure, under the effect of briquetting 15 and U-bolt 12, side lift oil tank 5 is rigidly mounted on outer mast 2, and such side lift oil tank 5 is in stationary state all the time, guarantees side lift oil tank 5 stability operationally.
The principle of work of three grades of door frames of said structure is: when in side lift oil tank 5 jack-up during door frame 4, drive inner upright mounting 3 to rise by the second chain 11, and the speed that inner upright mounting 3 rises is the twice of middle door frame 4 ascending velocity; Inner upright mounting 3 is while rising, and the first chain drive is also started working, and the rising of the sprocket wheel chain-driving goods shelf 1 above inner upright mounting 3, now the ascending velocity of goods shelf 1 is the twice of inner upright mounting 3 ascending velocity.Otherwise the descending speed of goods shelf 1 is the twice of inner upright mounting 3 descending speed during decline, the descending speed of inner upright mounting 3 is twices of middle door frame 4 descending speed.
The utility model additionally provides a kind of fork truck, comprises three grades of above-mentioned door frames.The concrete structure of these three grades of door frames can refer to Fig. 1 to Fig. 6, does not repeat them here.Three grades of door frames in above-described embodiment are comprised, so it has all advantages of above-mentioned three grades of door frames due to fork truck of the present utility model.
Below by reference to the accompanying drawings the utility model is exemplarily described.Obviously, the utility model specific implementation is not subject to the restrictions described above.As long as have employed the improvement of the various unsubstantialities that method of the present utility model is conceived and technical scheme is carried out; Or without improvement, above-mentioned design of the present utility model and technical scheme directly applied to other occasion, all within protection domain of the present utility model.
Claims (9)
1. three grades of door frames, comprise outer mast, middle door frame, inner upright mounting and be the goods shelf of sliding block joint with inner upright mounting, it is characterized in that: also comprise and to be located on described inner upright mounting and for the first chain drive of driving goods shelf to rise with to be fixed on by fastening device on described outer mast and side lift oil tank for driving described middle door frame to rise, fastening device comprises the fixed block be connected with outer mast, the U-bolt entangling side lift oil tank cylinder body and the briquetting be clipped between side lift oil tank cylinder body and fixed block, the two ends of U-bolt are undertaken fastening through after fixed block by nut.
2. three grades of door frames according to claim 1, is characterized in that: described inner upright mounting and middle door frame sliding block joint and the second chain drive be provided with on middle door frame for driving inner upright mounting to rise.
3. three grades of door frames according to claim 2, is characterized in that: what described first chain drive was positioned at described inner upright mounting opens shelves.
4. three grades of door frames according to claim 3, it is characterized in that: described first chain drive comprises the first sprocket wheel be located on described inner upright mounting and the first chain coordinated with the first sprocket wheel, one end of first chain is connected with the chaining plate on described middle door frame, and the other end is connected with the chaining plate on described goods shelf.
5. three grades of door frames according to claim 3 or 4, is characterized in that: described first chain drive is provided with two groups side by side in opening in shelves of described inner upright mounting.
6. three grades of door frames according to claim 2, it is characterized in that: described second chain drive comprises the second sprocket wheel be located on described middle door frame and the second chain coordinated with the second sprocket wheel, one end of second chain is connected with the chaining plate on described outer mast, and the other end is connected with the chaining plate on described inner upright mounting.
7. three grades of door frames according to claim 6, is characterized in that: described second sprocket wheel is arranged on the trailing flank of described middle door frame.
8. three grades of door frames according to claim 6 or 7, is characterized in that: described second chain drive is provided with two groups side by side.
9. a fork truck, is characterized in that: comprise the arbitrary three grades of described door frames of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520277357.4U CN204873738U (en) | 2015-04-30 | 2015-04-30 | Tertiary portal and have its fork truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520277357.4U CN204873738U (en) | 2015-04-30 | 2015-04-30 | Tertiary portal and have its fork truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204873738U true CN204873738U (en) | 2015-12-16 |
Family
ID=54818137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520277357.4U Active CN204873738U (en) | 2015-04-30 | 2015-04-30 | Tertiary portal and have its fork truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204873738U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106081990A (en) * | 2016-08-05 | 2016-11-09 | 广东银狐医疗科技股份有限公司 | A kind of three grades of lifting column mechanisms |
| CN108820668A (en) * | 2018-07-03 | 2018-11-16 | 上海诺力智能科技有限公司 | A kind of storage automatic material fetching machine |
| CN112694039A (en) * | 2021-01-08 | 2021-04-23 | 牛力机械制造有限公司 | Multi-stage full-free fork stacking vehicle |
-
2015
- 2015-04-30 CN CN201520277357.4U patent/CN204873738U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106081990A (en) * | 2016-08-05 | 2016-11-09 | 广东银狐医疗科技股份有限公司 | A kind of three grades of lifting column mechanisms |
| CN108820668A (en) * | 2018-07-03 | 2018-11-16 | 上海诺力智能科技有限公司 | A kind of storage automatic material fetching machine |
| CN108820668B (en) * | 2018-07-03 | 2023-11-28 | 上海诺力智能科技有限公司 | Automatic reclaimer of storage |
| CN112694039A (en) * | 2021-01-08 | 2021-04-23 | 牛力机械制造有限公司 | Multi-stage full-free fork stacking vehicle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |