CN201087111Y - Fork lifting mechanism of electric tray transport cart - Google Patents
Fork lifting mechanism of electric tray transport cart Download PDFInfo
- Publication number
- CN201087111Y CN201087111Y CNU2007201147263U CN200720114726U CN201087111Y CN 201087111 Y CN201087111 Y CN 201087111Y CN U2007201147263 U CNU2007201147263 U CN U2007201147263U CN 200720114726 U CN200720114726 U CN 200720114726U CN 201087111 Y CN201087111 Y CN 201087111Y
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- China
- Prior art keywords
- pallet fork
- goods shelf
- car body
- push
- push arm
- Prior art date
- 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.)
- Expired - Lifetime
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- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 230000003028 elevating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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Abstract
The utility model discloses a pallet fork elevating mechanism of an electric pallet truck, which comprises a truck body (1), a pallet fork (10), a pallet fork frame (8), a hydraulic cylinder (6), a push arm (3), a push bar (9), and a front wheel frame (12), one end of the push bar (9) is rotationally connected to the front wheel frame (12) through a push bar front axle (11), the other end is rotationally connected to the push arm (3) through a push bar rear axle (4), one end of the push arm (3) is rotationally connected to the pallet fork frame (8) through a wheel frame connecting axle (5), and the pallet fork (10) is fixedly connected with the pallet fork frame (8). A roller (2) is connected to the other end of the push arm (3), the roller (2) is matched with the lower surface of the horizontal plate of the truck body (1) in a rolling way, the hydraulic cylinder (6) is fixedly connected with the pallet fork frame (8), and the pallet fork frame (8) is connected to the truck body (1). The structure not only increases the integrated intensity of the truck body, but also ensures the length of the entire truck to be unchanged, and the operating space of the electric pallet truck to be reduced.
Description
Technical field
The utility model relates to a kind of pallet fork lifting mechanism, specifically is a kind of pallet fork lifting mechanism that is used on the electric pallet truck.
Background technology
At present, in the existing electric pallet truck, all pallet fork lifting structures all are to promote push rod by hydraulic actuating cylinder compressing connecting rod mechanism, make the axle center rotation of front wheel carrier along the push rod front portion, thereby produce the lifting that diff-H is realized pallet fork.This lifting structure comprises preceding wheel assembly, front wheel carrier, push rod, push arm, pallet fork, goods shelf, connecting rod, car body, one end of front wheel carrier is rotatably connected on the preceding wheel assembly with wheel frame axle, the other end is rotatably connected on the push rod with the push rod front axle, the other end of push rod is rotatably connected on the push arm with push rod shaft, one end of push arm is connected with goods shelf by the wheel carrier adapter shaft, the other end is connected with the cylinder body bottom of hydraulic actuating cylinder, the free end of hydraulic actuating cylinder then is connected with the connecting rod rotating shaft, one end of connecting rod also is connected with car body by the connecting rod rotating shaft, the other end of connecting rod also is to be connected on the goods shelf with rotating shaft, and pallet fork and goods shelf are welded as a whole.Hydraulic actuating cylinder moves to power of push arm like this, and push arm is rotated around the wheel carrier adapter shaft, drives push rod and moves forward, because wheel frame axle is fixed, front wheel carrier is up rotated around wheel frame axle, realizes the rising of pallet fork with rotating the relative height that is produced; Otherwise, then descend.But there are several several shortcomings down in this structure:
(1) connecting rod must produce the rotational trajectory of a circumferencial direction in motion process, be connecting rod and pallet fork and path of motion that a connecting rod rotating shaft equidirectional on car body is arranged with the goods shelf that pallet fork is connected as a single entity, pallet fork and car body can not be an integral body in other words, have therefore reduced the intensity of car body.
(2) in the lifting process of pallet fork, pallet fork is the rotational trajectory with a circumferencial direction, so the bodywork length of car load is vicissitudinous, and this brings certain influence on the working space of electric pallet truck.
The utility model content
Technical problem to be solved in the utility model is that a kind of increase car body strength, car load bodywork length unmodified electric pallet truck pallet fork lifting mechanism are provided.
For solving the problems of the technologies described above, the utility model electric pallet truck pallet fork lifting mechanism, comprise car body, pallet fork, goods shelf, hydraulic actuating cylinder, push arm, push rod, front wheel carrier, one end of described push rod is rotatably connected on the front wheel carrier through the push rod front axle, the other end is rotatably connected on the push arm through the push rod rear axle, described push arm one end is rotatably connected on the goods shelf through the wheel carrier adapter shaft, and described pallet fork is captiveed joint with goods shelf.The other end of described push arm is connected with a roller, and this roller rolls and is engaged on the lower surface of car body horizontal plate, and described hydraulic actuating cylinder is captiveed joint with goods shelf, and goods shelf is slidingly connected on the car body.
After adopting this structure, because an end of push arm rolls by a roller and is engaged on the lower surface of car body horizontal plate, when the push arm other end up moves, roller only can be made straight-line rolling on car body, because goods shelf is slidingly connected on the car body, the only relative car body of goods shelf has the up-and-down movement of a vertical direction, can't produce the sense of motion that rotates around car body again, therefore neither can reduce the intensity of car body, can not increase the working space of electric pallet truck again.
Described hydraulic actuating cylinder is captiveed joint with goods shelf, is meant that the piston rod of hydraulic actuating cylinder is fixed with connecting panel, and the right side of this connecting panel is fixed on the goods shelf.After adopting this structure, hydraulic actuating cylinder directly passes to power on the goods shelf by being fixedly coupled plate with piston rod, and structure is simpler, assembles more convenient.
Described goods shelf is slidingly connected on the car body, is meant that trundle respectively is equipped with in the both sides of goods shelf, and described car body both sides respectively have the groove of a vertical direction of rolling on the wall for trundle within it.After adopting this structure, goods shelf just can be more easily relatively car body do slip on the vertical direction.
Description of drawings
Fig. 1 is the structural representation of the electric pallet truck pallet fork lifting mechanism of prior art;
Fig. 2 is the structural representation of the pallet fork of the utility model electric pallet truck pallet fork lifting mechanism when not rising;
Fig. 3 is the structural representation of the pallet fork of the utility model electric pallet truck pallet fork lifting mechanism when rising;
Fig. 4 is the schematic top plan view of the utility model electric pallet truck pallet fork lifting mechanism;
Fig. 5 is the enlarged diagram of A portion among Fig. 4.
Wherein, 1, car body; 2, roller; 3, push arm; 4, push rod rear axle; 5, wheel carrier adapter shaft; 6, hydraulic actuating cylinder; 7, connecting panel; 8, goods shelf; 9, push rod; 10, pallet fork; 11, push rod front axle; 12, front wheel carrier; 13, preceding wheel assembly; 14, wheel frame axle; 15, groove; 16, trundle; 17, connecting rod; 18, connecting rod rotating shaft.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
By the structural representation of the electric pallet truck pallet fork lifting mechanism of prior art shown in Figure 1 as can be known, the pallet fork lifting mechanism of prior art, comprise car body 1, pallet fork 10, goods shelf 8, connecting rod 19, hydraulic actuating cylinder 6, push arm 3, push rod 9, front wheel carrier 12, preceding wheel assembly 13, described front wheel carrier 12 is before wheel frame axle 14 is rotatably connected on the wheel assembly 13, one end of described push rod 9 is rotatably connected on the front wheel carrier 12 through push rod front axle 11, the other end is rotatably connected on the push arm 3 through push rod shaft 4, one end of described push arm 3 is rotatably connected on the goods shelf 8 through wheel carrier adapter shaft 5, the cylinder body bottom of the other end and hydraulic actuating cylinder 6 is rotationally connected, the free end of hydraulic actuating cylinder 6 then is connected with connecting rod rotating shaft 18, one end of connecting rod 17 also is rotationally connected by connecting rod rotating shaft 18 and car body 1, the other end of connecting rod 17 is connected on the goods shelf 8 through rotating shaft, and pallet fork 10 and goods shelf 8 are welded as a whole.
During work, the cylinder body of hydraulic actuating cylinder 6 down moves, and compressing push arm 3 moves downward, and push arm 3 is rotated around wheel carrier adapter shaft 5 on one side, Yi Bian goods shelf 8 drivening rods 17 are upwards rotated around connecting rod rotating shaft 18.The rotation of push arm 3, make by push rod shaft 4 bonded assembly push rods 9 and move forward, because preceding wheel assembly 13 is fixed, front wheel carrier 12 is in the effect of the power that is subjected to using with it push rod front axle 11 bonded assembly push rods 9, up rotate around wheel frame axle 14, realize the rising of pallet fork 10 by the relative height that produced of rotation.Otherwise, then descend.
By Fig. 2 and scheme drawing shown in Figure 3 as can be known, the electronic pallet carrying of the utility model pallet fork lifting mechanism comprises car body 1, pallet fork 10, goods shelf 8, hydraulic actuating cylinder 6, push arm 3, push rod 9, front wheel carrier 12.One end of described push rod 9 is rotatably connected on the front wheel carrier 12 through push rod front axle 11, and the other end is rotatably connected on the push arm 3 through push rod rear axle 4.Described push arm 3 one ends are rotatably connected on the goods shelf 8 through wheel carrier adapter shaft 5, and described pallet fork 10 is captiveed joint with goods shelf 8.The other end of described push arm 3 is connected with a roller 2, and this roller 2 rolls and is engaged on the lower surface of car body 1 horizontal plate.Known to general knowledge, there is an inhibiting device to make the described roller 2 can be on the car body 1 owing to gravity falls down, and owing to roller 2 is positioned under the horizontal plate, when push arm 3 up moves, also can not follow up motion simultaneously, so roller 2 can only be made the straight-line motion of level on the inhibiting device of car body 1.Described hydraulic actuating cylinder 6 is captiveed joint with goods shelf 8, and goods shelf 8 is slidingly connected on the car body 1.Described hydraulic actuating cylinder 6 is captiveed joint with goods shelf 8, is meant that the piston rod of hydraulic actuating cylinder 6 is fixed with connecting panel 7, and the right side of this connecting panel 7 is fixed on the goods shelf 8.
By Fig. 3 and scheme drawing shown in Figure 4 as can be known, described goods shelf 8 is slidingly connected on the car body 1, is meant that trundle 16 respectively is equipped with in the both sides of goods shelf 8, and described car body 1 both sides respectively have the groove 15 of a vertical direction of rolling on the wall for trundle 16 within it.The groove 15 usefulness channel-section steels of described car body 1 both sides process.The groove that utilizes channel-section steel itself to have is processed described groove 15, and is simple in structure, easy to process.Described trundle 16 rolls on the inwall of groove 15, is meant the inwall free-running fit of trundle 16 and groove 15, trundle 16 or contact during rolling with the left side of groove 15, or contact with the right side of groove 15.
During work, hydraulic actuating cylinder 6 up moves, and drives connecting panel 7 and goods shelf 8 and up moves, and the wheel carrier adapter shaft 5 on the goods shelf 8 is up moved, thereby push arm 3 is rotatablely moved forward around wheel carrier adapter shaft 5.Like this, an end of push arm 3 is done the rolling linear motion by roller 2 on car body 1; Push rod shaft 4 on the push arm 3 rotates forward around wheel carrier adapter shaft 5 simultaneously, and push rod 9 is travelled forward, and makes front wheel carrier 12 be subjected to a power forward at push rod front axle 11 places.Because preceding wheel assembly 13 is fixed, the position of wheel frame axle 14 is lower than the position of push rod front axle 11, and therefore, front wheel carrier 12 can only force pallet fork 10 up to rise around the motion of wheel frame axle 14 toward the previous crops circumferencial direction like this.Otherwise, then descend.Because goods shelf 8 is slidingly connected on the car body 1,8 of goods shelfs are done the motion of vertical direction with respect to car body 1, are not to rotate around car body 1, therefore, when pallet fork 10 rises, do not increase car body car load length, also can not reduce the intensity of car load again.
The utility model electric pallet truck pallet fork lifting mechanism is not limited to above-described embodiment, the right side of above-described connecting panel 7 is fixed on the goods shelf 8, right side wherein specifies present embodiment with respect to accompanying drawing, in the practical structures, also can total opposite.These change all within protection domain of the present utility model.
Claims (3)
1. electric pallet truck pallet fork lifting mechanism, comprise car body (1), pallet fork (10), goods shelf (8), hydraulic actuating cylinder (6), push arm (3), push rod (9), front wheel carrier (12), one end of described push rod (9) is rotatably connected on the front wheel carrier (12) through push rod front axle (11), the other end is rotatably connected on the push arm (3) through push rod rear axle (4), described push arm (3) one ends are rotatably connected on the goods shelf (8) through wheel carrier adapter shaft (5), described pallet fork (10) is captiveed joint with goods shelf (8), it is characterized in that: the other end of described push arm (3) is connected with a roller (2), this roller (2) rolls and is engaged on the lower surface of car body (1) horizontal plate, described hydraulic actuating cylinder (6) is captiveed joint with goods shelf (8), and goods shelf (8) is slidingly connected on the car body (1).
2. electric pallet truck pallet fork lifting mechanism according to claim 1, it is characterized in that: described hydraulic actuating cylinder (6) is captiveed joint with goods shelf (8), the piston rod that is meant hydraulic actuating cylinder (6) is fixed with connecting panel (7), and the right side of this connecting panel (7) is fixed on the goods shelf (8).
3. electric pallet truck pallet fork lifting mechanism according to claim 1, it is characterized in that: described goods shelf (8) is slidingly connected on the car body (1), trundle (16) respectively is equipped with in the both sides that are meant goods shelf (8), and described car body (1) both sides respectively have the groove (15) of a vertical direction of rolling on the wall for trundle (16) within it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201147263U CN201087111Y (en) | 2007-09-10 | 2007-09-10 | Fork lifting mechanism of electric tray transport cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201147263U CN201087111Y (en) | 2007-09-10 | 2007-09-10 | Fork lifting mechanism of electric tray transport cart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201087111Y true CN201087111Y (en) | 2008-07-16 |
Family
ID=39634705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201147263U Expired - Lifetime CN201087111Y (en) | 2007-09-10 | 2007-09-10 | Fork lifting mechanism of electric tray transport cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201087111Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102009927A (en) * | 2010-10-15 | 2011-04-13 | 广东牛力机械制造有限公司 | Adjustable push rod of heavy truck |
| CN102633212A (en) * | 2012-05-03 | 2012-08-15 | 厦门锦海华工程机械有限公司 | Pull-push device on pallet fork of forklift loader |
| CN104860231A (en) * | 2015-05-28 | 2015-08-26 | 浙江上加机械有限公司 | Electric truck |
| CN104860232A (en) * | 2015-05-28 | 2015-08-26 | 浙江上加机械有限公司 | Electric transporter |
| CN105347263A (en) * | 2015-11-10 | 2016-02-24 | 苏州先锋物流装备科技有限公司 | Hoisting mechanism of die block carrier |
| CN105523507A (en) * | 2016-01-27 | 2016-04-27 | 浙江恒力佳机械有限公司 | Carrying vehicle |
-
2007
- 2007-09-10 CN CNU2007201147263U patent/CN201087111Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102009927A (en) * | 2010-10-15 | 2011-04-13 | 广东牛力机械制造有限公司 | Adjustable push rod of heavy truck |
| CN102009927B (en) * | 2010-10-15 | 2013-01-09 | 牛力机械制造有限公司 | Adjustable push rod of heavy truck |
| CN102633212A (en) * | 2012-05-03 | 2012-08-15 | 厦门锦海华工程机械有限公司 | Pull-push device on pallet fork of forklift loader |
| CN104860231A (en) * | 2015-05-28 | 2015-08-26 | 浙江上加机械有限公司 | Electric truck |
| CN104860232A (en) * | 2015-05-28 | 2015-08-26 | 浙江上加机械有限公司 | Electric transporter |
| CN105347263A (en) * | 2015-11-10 | 2016-02-24 | 苏州先锋物流装备科技有限公司 | Hoisting mechanism of die block carrier |
| CN105347263B (en) * | 2015-11-10 | 2017-11-17 | 苏州先锋物流装备科技有限公司 | The lifting mechanism of module carrier |
| CN105523507A (en) * | 2016-01-27 | 2016-04-27 | 浙江恒力佳机械有限公司 | Carrying vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO LIFTSTAR MATERIAL HANDLING EQUIPMENT CO., L Free format text: FORMER OWNER: NINGBO LIDA MOVING EQUIPMENT FACTORY Effective date: 20111101 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20111101 Address after: 315144 Xicheng village, Ningbo, Yinzhou District, Zhejiang Patentee after: Ningbo Lida Logistics Equipment Co.,Ltd. Address before: 315144, Zhejiang, Ningbo, Yinzhou District province look forward to the South Gate of the town of song Patentee before: Ningbo Lida Moving Equipment Factory |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080716 |