CN205933073U - Scissor lift crotch - Google Patents
Scissor lift crotch Download PDFInfo
- Publication number
- CN205933073U CN205933073U CN201620883451.9U CN201620883451U CN205933073U CN 205933073 U CN205933073 U CN 205933073U CN 201620883451 U CN201620883451 U CN 201620883451U CN 205933073 U CN205933073 U CN 205933073U
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- scissor arms
- top layer
- scissors mechanism
- scissor arm
- interior
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- 230000007246 mechanism Effects 0.000 claims abstract description 68
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 238000003466 welding Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model provides a scissor lift crotch, including bottom scissors mechanism, a plurality of intermediate level scissors mechanism and top layer scissors mechanism, scissor arm connects rather than adjacent outer scissor arm is articulated through the axle of having strong market potential on it in the bottom, the outer scissor arm of bottom connects rather than adjacent interior scissor arm is articulated through the axle of having strong market potential on it, scissor arm connects rather than adjacent outer scissor arm is articulated in the top layer, the outer scissor arm of top layer connects rather than scissor arm in adjacent is articulated, the interior scissor arm of double -phase adjacent intermediate level scissor arm through one of them intermediate level scissors mechanism and outer scissor arm articulate with another intermediate level scissors mechanism's outer scissor arm hinge and interior scissor arm respectively and are connected, through designing interior scissor arm, outer scissor arm reaches and articulates it through the axle of having strong market potential, outer scissor arm structural strength has been strengthened, an assurance life that has strong market potential, through scissor arm in the bottom, the outer scissor arm of bottom, interior scissor arm, outer scissor arm, the articulated department's welding flitch of the outer scissor arm of scissor arm and top layer in the top layer, prevent to warp the distortion because of articulated emergence.
Description
Technical field：
The utility model is related to elevator technology field and in particular to a kind of fork type elevator crotch.
Background technology：
The lifting of fork type elevator mainly using scissors operation principle be two isometric rod members when middle hinged,
No matter how the angle of two rod members changes, and corresponding rod end obtains line and remains parallel, and obtains line with adjacent rod end and keep hanging down
Directly, can achieve the change of longitudinal length by changing the lateral separation between two rod members, thus realizing fork type elevator
Lifting.Fork type elevator has the advantages that structure is simple, lifting is stable, bearing capacity is strong, job platform is big, in work high above the ground
In have a wide range of applications.
But the crotch of existing fork type elevator still Shortcomings in terms of structure design, are mainly manifested in two sides
Face：First, easily flexural deformation in the scissor arms bearing pin connection hole in crotch；Second, bearing pin stress in use
Larger serious wear, changes frequently；3rd, when crotch is connected with chassis or workbench, contact area is little, and connective stability is poor,
Easily rock during crotch lifting；4th, the outer scissor arms structure design in crotch is unreasonable, and counter-bending deformability is poor, finally
The smooth working of impact fork type elevator.
Utility model content：
The purpose of this utility model is exactly to make up the deficiencies in the prior art, there is provided a kind of fork type elevator fork
Frame, it has the advantages that structure is simple, structural strength is big, is connected firmly, operates steadily, and solves and asks present in prior art
Topic.
The utility model be employed technical scheme comprise that by solving above-mentioned technical problem：
A kind of fork type elevator crotch, including bottom scissors mechanism, some intermediate layers scissors mechanism and top layer scissor machine
Structure, described bottom scissors mechanism includes scissor arms and two isometric bottoms scissor arms outward, two bottoms in two isometric bottoms
In layer, scissor arms one end is set in parallel in connecting plate both sides in bottom respectively, and the other end is connected by long pin shaft, connects in bottom
Plate is hinged and connected with bottom fixed seat, passes through with inside scissor arms centre outside bottom respectively outside scissor arms centre in two bottoms
Short pin shaft is hinged and connected, and outside two bottoms, scissor arms one end is set in parallel in bottom outside link plate both sides respectively, and the other end passes through
Long pin shaft connects, and bottom outside link plate is provided with slide block steel bushing, and slide block steel bushing two ends are provided with bottom slide block；
Described intermediate layer scissors mechanism includes isometric two parallel interior scissor arms and isometric two parallel outer scissor arms,
Outside two interior scissor arms centres, middle inner side is articulated and connected by short pin shaft with outer scissor arms respectively, described two interior scissor arms
One end is respectively equipped with axis hole, and the other end is connected with long pin shaft, and two outer scissor arms one end are respectively equipped with axis hole, and the other end is provided with length
Bearing pin；
Described top layer scissors mechanism includes scissor arms and isometric two parallel outer scissors in isometric two parallel top layers
Arm, outside scissor arms centre in described two top layers, middle inner side is articulated and connected by short pin shaft with outer scissor arms respectively, two
The outer scissor arms one end of top layer is respectively equipped with axis hole, and the other end is fixedly connected with top layer outside link plate both sides respectively, connects outside top layer
Plate is articulated and connected with top layer fixed seat, and in two top layers, scissor arms one end is machined with axis hole respectively, and the other end is connected with top layer
Plate is fixedly connected, and in top layer, connecting plate is provided with slide block steel bushing, and slide block steel bushing is respectively arranged at two ends with top layer slide block；
In described bottom, scissor arms are articulated and connected by the outer scissor arms that long pin shaft thereon is adjacent, the outer scissor of bottom
Arm is articulated and connected by the interior scissor arms that long pin shaft thereon is adjacent, the outer scissor arms hinge that in top layer, scissor arms are adjacent
Connect in succession, the interior scissor arms that the outer scissor arms of top layer are adjacent are articulated and connected, and two adjacent intermediate layer scissor arms are passed through one of
The interior scissor arms of intermediate layer scissors mechanism and outer scissor arms respectively with the outer scissor arms hinge of another intermediate layer scissors mechanism and interior cut
Yoke is articulated and connected.
Preferably, described intermediate layer scissors mechanism is 3 layers, is followed successively by the first intermediate layer scissors mechanism, the second intermediate layer is cut
Fork mechanism and third layer intermediate layer scissors mechanism.
Between described bottom scissors mechanism and the second intermediate layer scissors mechanism, lower cylinder is installed, in the middle of described second
Between layer scissors mechanism and top layer scissors mechanism, upper hydraulic cylinder is installed.
Described outer scissor arms width is 12 times of interior scissor arms width.
Scissor arms and top layer in the outer scissor arms of scissor arms in described bottom, bottom, interior scissor arms, outer scissor arms, top layer
Outer scissor arms are rectangle hollow long pin shaft.
Scissor arms and top layer in the outer scissor arms of scissor arms in described bottom, bottom, interior scissor arms, outer scissor arms, top layer
Outer scissor arms hinged place is welded with pasting board.
Described bottom fixed seat and top layer fixed seat are L-type steel plate, and bottom fixed seat is connected with chassis by bolt, top layer
Fixed seat is connected with workbench by bolt.
Described slide block steel bushing is respectively arranged at two ends with semiaxis connecting hole, and semiaxis is arranged on semiaxis by screw and connects in the hole, and half
Axle is provided with bottom slide block or top layer slide block.
Described bottom slide block is arranged on the track on chassis, and top layer slide block is arranged on the track of workbench.
In connecting plate in described bottom, bottom outside link plate, top layer, connecting plate and top layer outside link plate are rectangular steel plates.
Long pin shaft in described bottom scissors mechanism is adjacent and is connected between the short pin shaft in the scissors mechanism of intermediate layer
High strength steel plate.
Connect between long pin shaft in the intermediate layer scissors mechanism that short pin shaft in described top layer scissors mechanism is adjacent
There is high strength steel plate.
The utility model adopts such scheme, the deficiency existing for existing fork type elevator crotch, by designing bottom
Connecting plate, bottom outside link plate and bottom slide block in portion, enhance the bonding strength of bottom scissors mechanism and chassis, improve bottom
The connection precision on slide block and chassis, by scissor arms in design, outer scissor arms and it is hinged by long pin shaft, not only increases
The structural strength of outer scissor arms, ensures the service life of long pin shaft simultaneously, by scissor arms in bottom, the outer scissor arms of bottom,
In interior scissor arms, outer scissor arms, top layer, the hinged place welding pasting board of scissor arms and the outer scissor arms of top layer, prevents them because hinged
Deform distortion, strengthens overall operation steady.
Brief description：
Fig. 1 is the utility model structural representation；
Fig. 2 is long pin shaft close-up schematic view of the present utility model；
Fig. 3 is the utility model fixed seat at bottom close-up schematic view；
Fig. 4 is the hinged close-up schematic view of the utility model；
Fig. 5 is the utility model top slide structural representation；
Wherein, 1, bottom fixed seat, 2, connecting plate in bottom, 3, scissor arms in bottom, 4, short pin shaft, 5, pasting board, 6, bottom
The outer scissor arms of layer, 7, bottom outside link plate, 8, slide block steel bushing, 9, semiaxis, 10, bottom slide block, 11, interior scissor arms, 12, outer scissor
Arm, 13, lower cylinder, 14, upper hydraulic cylinder, 15, scissor arms in top layer, 16, the outer scissor arms of top layer, 17, connect in top layer
Plate, 18, top layer outside link plate, 19, top layer slide block, 20, high strength steel plate, the 21, first intermediate layer scissors mechanism, in the middle of 22, second
Layer scissors mechanism, the 23, the 3rd intermediate layer scissors mechanism, 24, long pin shaft, 25, top layer fixed seat, 26, screw.
Specific embodiment：
With embodiment, the utility model is described further below in conjunction with the accompanying drawings：
As Figure 1-5, a kind of fork type elevator crotch, including bottom scissors mechanism, some intermediate layers scissors mechanism
With top layer scissors mechanism, bottom scissors mechanism includes in two isometric bottoms scissor arms 3 and the outer scissors of two isometric bottoms
Arm 6, in two bottoms, scissor arms 3 one end is set in parallel in connecting plate 2 both sides in bottom respectively, and the other end passes through long pin shaft 24 even
Connect, in bottom, connecting plate 2 and bottom fixed seat 1 are hinged and connected, cut with outside bottom respectively outside scissor arms 3 centre in two bottoms
In the middle of yoke 6, inner side is hinged and connected by short pin shaft 4, and outside two bottoms, scissor arms 6 one end is set in parallel in respectively and connects outside bottom
Fishplate bar 7 both sides, the other end is connected by long pin shaft 24, and bottom outside link plate 7 is provided with slide block steel bushing 8, and slide block steel bushing 8 two ends set
There is bottom slide block 10；Intermediate layer scissors mechanism includes isometric two parallel interior scissor arms 11 and isometric two parallel outer scissors
Arm 12, outside two interior scissor arms 11 centres, middle inner side is articulated and connected by short pin shaft 4 with outer scissor arms 12 respectively, in two
Scissor arms 11 one end is respectively equipped with axis hole, and the other end is connected with long pin shaft 24, and two outer scissor arms 12 one end are respectively equipped with axis hole,
The other end is connected with long pin shaft 24；It is parallel with isometric that top layer scissors mechanism includes scissor arms 15 in isometric two parallel top layers
Scissor arms 16 outside two top layers, pass through with inside scissor arms 16 centre outside top layer outside scissor arms 15 centre in two top layers respectively
Short pin shaft 4 is articulated and connected, and outer scissor arms 16 one end of two top layers is respectively equipped with axis hole, the other end respectively with top layer outside link plate 18
Both sides are fixedly connected, and top layer outside link plate 18 is articulated and connected with top layer fixed seat 25, scissor arms 15 one end difference in two top layers
It is machined with axis hole, the other end is fixedly connected with connecting plate in top layer 17, and in top layer, connecting plate 17 is provided with slide block steel bushing 8, slide block
Steel bushing 8 is respectively arranged at two ends with top layer slide block 19；In bottom, scissor arms 3 pass through the outer scissor arms that long pin shaft 24 thereon is adjacent
12 are articulated and connected, and the outer scissor arms 6 of bottom are articulated and connected, in top layer by the interior scissor arms 11 that long pin shaft 24 thereon is adjacent
The outer scissor arms 12 that scissor arms 15 are adjacent are articulated and connected, the hinged company of interior scissor arms 11 that the outer scissor arms 16 of top layer are adjacent
Connect, two adjacent intermediate layer scissor arms by the interior scissor arms 11 of one of intermediate layer scissors mechanism and outer scissor arms 12 respectively with
The outer scissor arms hinge 12 of another intermediate layer scissors mechanism and interior scissor arms 11 are articulated and connected, by designing connecting plate, bottom in bottom
Portion's outside link plate and bottom slide block, enhance the bonding strength of bottom scissors mechanism and chassis, improve bottom slide block and chassis
Connect precision.
Preferably, intermediate layer scissors mechanism is 3 layers, is followed successively by the first intermediate layer scissors mechanism 21, the second intermediate layer scissor
Mechanism 22 and third layer intermediate layer scissors mechanism 23.
Lower cylinder 13 is installed between bottom scissors mechanism and the second intermediate layer scissors mechanism 22, the second intermediate layer is cut
Between fork mechanism 22 and top layer scissors mechanism, upper hydraulic cylinder 14 is installed, by designing upper hydraulic cylinder 14 and lower cylinder
13 it is ensured that lifting drive is steady.
Outer scissor arms 12 width is 12 times of interior scissor arms 11 width, by increasing outer scissor arms 12 width, improves anti-
Crooked deformability.
In the outer scissor arms 6 of scissor arms 3 in bottom, bottom, interior scissor arms 11, outer scissor arms 12, top layer scissor arms 15 and
The outer scissor arms 16 of top layer are rectangle hollow long pin shaft, and being designed as rectangle hollow long pin shaft can have on the premise of ensureing rigidity
Effect reduces total quality.
In the outer scissor arms 4 of scissor arms 3 in bottom, bottom, interior scissor arms 11, outer scissor arms 12, top layer scissor arms 15 and
Outer scissor arms 16 hinged place of top layer is welded with pasting board 5, makes up the weakened that therefore hinged punching brings, improves counter-bending deformation
Ability, successfully manage the hinged adverse effect brought.
Bottom fixed seat 1 and top layer fixed seat 25 are L-type steel plate, and bottom fixed seat 1 is connected with chassis by bolt, top layer
Fixed seat 25 is connected with workbench by bolt, connects more firm stable.
Slide block steel bushing 8 is respectively arranged at two ends with semiaxis connecting hole, and semiaxis 9 is arranged on semiaxis by screw 26 and connects in the hole, and half
Axle 9 is provided with bottom slide block 10 or top layer slide block 19, using the connected mode of semiaxis 9, easy for installation, is connected firmly, effectively carries
Stability during high lifting.
Bottom slide block 10 is arranged on the track on chassis, and top layer slide block 19 is arranged on the track of workbench.
In connecting plate 2 in bottom, bottom outside link plate 7, top layer, connecting plate 17 and top layer outside link plate 18 are rectangle steel
Plate.
It is connected with height between the short pin shaft 4 that long pin shaft 24 in bottom scissors mechanism is adjacent in the scissors mechanism of intermediate layer
Strong steel plate 20.
It is connected between long pin shaft 24 in the intermediate layer scissors mechanism that short pin shaft 4 in top layer scissors mechanism is adjacent
High strength steel plate 20, strengthens the structural strength of scissors mechanism further by designing high strength steel plate 20.
Above-mentioned specific embodiment cannot function as the restriction to the utility model protection domain, for the skill of the art
For art personnel, any alternate modification that the utility model embodiment is made or conversion all fall within guarantor of the present utility model
In the range of shield.
The utility model does not describe part in detail, is the known technology of those skilled in the art of the present technique.
Claims (9)
1. a kind of fork type elevator crotch it is characterised in that：Including bottom scissors mechanism, some intermediate layers scissors mechanism and top
Layer scissors mechanism, described bottom scissors mechanism includes scissor arms and two isometric bottoms scissors outward in two isometric bottoms
Arm, in two bottoms, scissor arms one end is set in parallel in connecting plate both sides in bottom respectively, and the other end is connected by long pin shaft, bottom
In layer, connecting plate is hinged and connected with bottom fixed seat, outside scissor arms centre in two bottoms respectively with bottom outward scissor arms in the middle of
Inner side is hinged and connected by short pin shaft, and outside two bottoms, scissor arms one end is set in parallel in bottom outside link plate both sides, separately respectively
One end is connected by long pin shaft, and bottom outside link plate is provided with slide block steel bushing, and slide block steel bushing two ends are provided with bottom slide block；In described
Interbed scissors mechanism includes isometric two parallel interior scissor arms and isometric two parallel outer scissor arms, in two interior scissor arms
Between outside respectively with outer scissor arms in the middle of inner side be articulated and connected by short pin shaft, described two interior scissor arms one end are respectively equipped with axle
Hole, the other end is connected with long pin shaft, and two outer scissor arms one end are respectively equipped with axis hole, and the other end is connected by long pin shaft；Described
Top layer scissors mechanism includes scissor arms and isometric two parallel outer scissor arms, described two tops in isometric two parallel top layers
Outside scissor arms centre in layer, middle inner side is articulated and connected by short pin shaft with outer scissor arms respectively, scissor arms one outside two top layers
End is respectively equipped with axis hole, and the other end is fixedly connected with top layer outside link plate both sides respectively, top layer outside link plate and top layer fixed seat
It is articulated and connected, in two top layers, scissor arms one end is machined with axis hole respectively, the other end is fixedly connected with connecting plate in top layer, top layer
Interior connecting plate is provided with slide block steel bushing, and slide block steel bushing is respectively arranged at two ends with top layer slide block；In described bottom, scissor arms are passed through thereon
The outer scissor arms that are adjacent of long pin shaft be articulated and connected, the outer scissor arms of bottom by long pin shaft thereon be adjacent in cut
Yoke is articulated and connected, and the outer scissor arms that in top layer, scissor arms are adjacent are articulated and connected, and it is interior that the outer scissor arms of top layer are adjacent
Scissor arms are articulated and connected, and two adjacent intermediate layer scissor arms are by the interior scissor arms of one of intermediate layer scissors mechanism and outer scissor
Arm is articulated and connected with the outer scissor arms hinge of another intermediate layer scissors mechanism and interior scissor arms respectively.
2. a kind of fork type elevator crotch according to claim 1 it is characterised in that：Described intermediate layer scissors mechanism is
3 layers, it is followed successively by the first intermediate layer scissors mechanism, the second intermediate layer scissors mechanism and third layer intermediate layer scissors mechanism.
3. a kind of fork type elevator crotch according to claim 2 it is characterised in that：Described bottom scissors mechanism and
Between two intermediate layer scissors mechanisms, lower cylinder is installed, between described second intermediate layer scissors mechanism and top layer scissors mechanism
Upper hydraulic cylinder is installed.
4. a kind of fork type elevator crotch according to claim 1 it is characterised in that：Described outer scissor arms width is interior
12 times of scissor arms width.
5. a kind of fork type elevator crotch according to claim 1 it is characterised in that：Scissor arms, bottom in described bottom
In the outer scissor arms of layer, interior scissor arms, outer scissor arms, top layer, scissor arms and the outer scissor arms of top layer are rectangle hollow steel pipe.
6. a kind of fork type elevator crotch according to claim 1 it is characterised in that：Scissor arms, bottom in described bottom
In the outer scissor arms of layer, interior scissor arms, outer scissor arms, top layer, scissor arms and the outer scissor arms hinged place of top layer are welded with pasting board.
7. a kind of fork type elevator crotch according to claim 1 it is characterised in that：Described bottom fixed seat and top layer
Fixed seat is L-type steel plate, and bottom fixed seat is connected with chassis by bolt, and top layer fixed seat is connected with workbench by bolt.
8. a kind of fork type elevator crotch according to claim 1 it is characterised in that：Described slide block steel bushing two ends are respectively
It is provided with semiaxis connecting hole, semiaxis connecting hole is provided with semiaxis, semiaxis is provided with bottom slide block or top layer slide block.
9. a kind of fork type elevator crotch according to claim 1 it is characterised in that：In described bottom scissors mechanism
Long pin shaft is adjacent and is connected with high strength steel plate between the short pin shaft in the scissors mechanism of intermediate layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620883451.9U CN205933073U (en) | 2016-08-15 | 2016-08-15 | Scissor lift crotch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620883451.9U CN205933073U (en) | 2016-08-15 | 2016-08-15 | Scissor lift crotch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205933073U true CN205933073U (en) | 2017-02-08 |
Family
ID=57920515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620883451.9U Expired - Fee Related CN205933073U (en) | 2016-08-15 | 2016-08-15 | Scissor lift crotch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205933073U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127798A (en) * | 2017-12-25 | 2018-06-08 | 郑州格瑞塔电子信息技术有限公司 | A kind of fork lifting-type metope perforating device of stabilization |
| CN110194427A (en) * | 2019-05-29 | 2019-09-03 | 广东科学技术职业学院 | Lifting device and its application |
-
2016
- 2016-08-15 CN CN201620883451.9U patent/CN205933073U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127798A (en) * | 2017-12-25 | 2018-06-08 | 郑州格瑞塔电子信息技术有限公司 | A kind of fork lifting-type metope perforating device of stabilization |
| CN110194427A (en) * | 2019-05-29 | 2019-09-03 | 广东科学技术职业学院 | Lifting device and its application |
| CN110194427B (en) * | 2019-05-29 | 2024-02-23 | 广东科学技术职业学院 | Lifting device and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20190815 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |