CN220467458U - Scissor fork type lifting bracket - Google Patents
Scissor fork type lifting bracket Download PDFInfo
- Publication number
- CN220467458U CN220467458U CN202321075951.6U CN202321075951U CN220467458U CN 220467458 U CN220467458 U CN 220467458U CN 202321075951 U CN202321075951 U CN 202321075951U CN 220467458 U CN220467458 U CN 220467458U
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- China
- Prior art keywords
- chassis
- rod
- support frame
- shearing fork
- top end
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- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000010008 shearing Methods 0.000 claims description 31
- 206010020649 Hyperkeratosis Diseases 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008571 general function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model discloses a scissor type lifting bracket which comprises a chassis, wherein an outer scissor rod and an inner scissor rod are arranged on the inner side of the chassis in a sliding manner, the outer scissor rod is connected with the inner scissor rod in a rotating manner, the top end of the outer scissor rod is provided with a lifting cross beam in a sliding manner, the top end of the lifting cross beam is connected with a machine body supporting frame, one side of the chassis is connected with a traction mechanism, the top end of the chassis is connected with an oil cylinder, one side of the chassis is connected with a hydraulic control assembly, the top end of the chassis is connected with a handle, an elastic clamp is arranged in the handle, two sides of the chassis are connected with foot assemblies, and the bottom end of the chassis is connected with a moving wheel. The utility model solves the problem of clamping stagnation caused by asynchronous lifting of the screw rods at two sides, improves the use efficiency and the safety of the bracket, effectively reduces the space occupation and reduces the storage volume.
Description
Technical Field
The utility model relates to the technical field of maintenance equipment, in particular to a scissor fork type lifting bracket.
Background
When the aircrafts such as an airplane, a helicopter, an unmanned plane and the like are assembled or maintained, the aircrafts need to be lifted or supported by a fuselage bracket or a wing bracket, the currently commonly used brackets all adopt screw rod structures, a single bracket is supported by a left screw rod and a right screw rod, the two brackets are respectively operated by two persons, the aircrafts are difficult to completely synchronize when lifted or lowered, and the problems of bracket clamping stagnation and the like are easy to occur.
Disclosure of Invention
The utility model aims to provide a scissor lift bracket, which solves the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the lifting frame comprises a chassis, an outer shearing fork rod and an inner shearing fork rod are slidably arranged on the inner side of the chassis, the outer shearing fork rod is rotationally connected with the inner shearing fork rod, the top end of the outer shearing fork rod is slidably provided with a lifting cross beam, the top end of the lifting cross beam is connected with a frame of a machine body, one side of the chassis is connected with a traction mechanism, the top end of the chassis is connected with an oil cylinder, one side of the chassis is connected with a hydraulic control assembly, the top end of the chassis is connected with a handle, an elastic clamp is arranged in the handle, two sides of the chassis are connected with foot assemblies, and the bottom end of the chassis is connected with a movable wheel;
the traction mechanism comprises a first connecting rod, one end of the first connecting rod is rotatably provided with a second connecting rod, and one end of the second connecting rod is connected with a traction ring;
the machine body support frame comprises a fixed support frame, two ends of the fixed support frame are connected with a rotary support frame, the middle end of the rotary support frame is rotatably provided with a fixed pin shaft, one side of the fixed support frame is connected with a quick-release pin shaft, and one end of the quick-release pin shaft penetrates through the fixed support frame and the fixed pin shaft;
the lower margin subassembly is including fixed pipe support, fixed pipe support top rotates and is provided with the screw rod, the connection of screw rod top is provided with the rolling disc, the screw rod bottom runs through fixed pipe support and rotation are provided with the support callus on the sole.
Preferably, a connecting shaft is connected between the outer shearing fork rod and the inner shearing fork rod, the top end of the oil cylinder is rotationally connected with the connecting shaft, an oil pipe is connected to one side of the oil cylinder, and one end of the oil pipe is connected with the hydraulic control assembly.
Preferably, a hand pump is arranged on one side of the hydraulic control assembly, a connecting rod is arranged on one side of the hand pump, and an insertion pipe is arranged at one end of the elastic clamp in a connection mode corresponding to the connecting rod.
Preferably, the moving wheels are provided with a front group and a rear group, the front group is a universal wheel, and the rear group is a directional wheel.
Preferably, mounting grooves are formed in two sides of the lifting beam, sliding pins are arranged on the tops of the outer shearing fork rods and the inner shearing fork rods in a connecting mode and are in sliding connection with the mounting grooves, connecting lugs are arranged on the tops of the lifting beam and the bottom end of the frame supporting frame of the machine body in a connecting mode, and connecting pins are arranged on one sides of the connecting lugs in a connecting mode.
Preferably, the chassis is rectangular, the left side and the right side are provided with channel steel, and an oil cylinder mounting beam is arranged at the center of the chassis and is connected with the oil cylinder.
Compared with the prior art, the utility model has the beneficial effects that:
1. the bracket is pushed to the lower part of the aircraft body in the lowest state of the bracket; then lifting the rotary supporting frame and fixing the rotary supporting frame by using a quick-release pin; when the hand pump is rocked to enable the bracket to rise to be in quick contact with the machine body, the position of the bracket is adjusted to enable the bracket to be aligned in the middle; the lower foot component is unscrewed to enable the lower foot component to be in full contact with the ground and level, so that the movement is in a non-stressed state; the hand pump is continuously shaken to enable the bracket to ascend, the jacking work is completed, the lifting or descending can be realized by a single person, the problem of clamping stagnation caused by asynchronous lifting of screw rods at two sides is solved, and the use efficiency and the safety of the bracket are improved;
2. the utility model also opens the first connecting rod and the second connecting rod through folding, the traction ring can be used for manually or mechanically dragging the bracket, the operation is simple and convenient, and simultaneously when the utility model is not applicable, the outer shearing fork rod and the inner shearing fork rod can be folded through the shrinkage of the oil cylinder, the frame of the machine body is completely unfolded and paved, and the traction mechanism is folded and folded, thereby effectively reducing the space occupation and the storage volume, and further meeting the use requirement.
Drawings
FIG. 1 is a schematic view of the overall structure of a scissor lift bracket of the present utility model;
FIG. 2 is a schematic view of the structure of a scissor lift bracket in an operating state according to the present utility model;
fig. 3 is a schematic structural view of a fixed frame in a scissor lift bracket according to the present utility model.
In the figure: 1. a chassis; 2. an outer scissor fork; 3. an inner scissor fork; 4. lifting the cross beam; 5. a frame support for the machine body; 51. fixing the support frame; 52. a fixed pin shaft; 53. rotating the support frame; 54. quick-dismantling the pin shaft; 6. a traction mechanism; 61. a first link; 62. a second link; 63. a traction ring; 7. an oil cylinder; 8. a hydraulic control assembly; 9. an elastic clamp; 10. a handle; 11. a foot margin assembly; 111. fixing the pipe frame; 112. a screw; 113. a rotating disc; 114. a support foot pad; 12. and (5) moving the wheel.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the lifting frame comprises a chassis 1, wherein an outer shearing fork rod 2 and an inner shearing fork rod 3 are slidably arranged on the inner side of the chassis 1, the outer shearing fork rod 2 and the inner shearing fork rod 3 are rotatably connected, a lifting cross beam 4 is slidably arranged at the top end of the lifting cross beam 4, a frame body supporting frame 5 is connected and arranged at the top end of the lifting cross beam 4, a traction mechanism 6 is connected and arranged at one side of the chassis 1, an oil cylinder 7 is connected and arranged at the top end of the chassis 1, a hydraulic control assembly 8 is connected and arranged at one side of the chassis 1, a handle 9 is connected and arranged at the top end of the chassis 1, an elastic clamp 10 is connected and arranged in the handle 9, foot margin assemblies 11 are connected and arranged at two sides of the chassis 1, and a movable wheel 12 is connected and arranged at the bottom end of the chassis 1;
the traction mechanism 6 comprises a first connecting rod 61, one end of the first connecting rod 61 is rotatably provided with a second connecting rod 62, and one end of the second connecting rod 62 is connected with a traction ring 63;
the machine body support frame 5 comprises a fixed support frame 51, two ends of the fixed support frame 51 are connected with a rotary support frame 52, the middle end of the rotary support frame 52 is rotatably provided with a fixed pin shaft 53, one side of the fixed support frame 51 is connected with a quick-release pin shaft 54, and one end of the quick-release pin shaft 54 penetrates through the fixed support frame 51 and the fixed pin shaft 53;
the lower margin subassembly 11 includes fixed pipe support 111, and fixed pipe support 111 top rotates and is provided with screw rod 112, and screw rod 112 top connection is provided with rolling disc 113, and screw rod 112 bottom runs through fixed pipe support 111 and rotates and be provided with support callus on the sole 114.
A connecting shaft is connected and arranged between the outer shearing fork rod 2 and the inner shearing fork rod 3, the top end of the oil cylinder 7 is rotationally connected with the connecting shaft, one side of the oil cylinder 7 is connected and provided with an oil pipe, one end of the oil pipe is connected and arranged with the hydraulic control component 8, one side of the hydraulic control component 8 is provided with a hand pump, one side of the hand pump is provided with a connecting rod, one end of the elastic clamp 10 is correspondingly provided with a cannula in a connecting way, the hydraulic control component 8 is arranged at the rear side of the bracket and is connected with the oil cylinder 7 through the oil pipe for controlling the lifting of the oil and 7, the handle 10 is fixed on the chassis 1 through the elastic clamp 9, and the handle 10 is used for shaking the hand pump in the hydraulic control component to provide a power source for the oil cylinder 7;
the movable wheels 12 are provided with a front group and a rear group, wherein the front group is a universal wheel, and the rear group is a directional wheel, so that the bearing part of the machine body can be aligned conveniently. The two moving wheels at the rear side adopt a structure with a direction lock, and the direction is locked during traction, so that the out of control of the direction during maneuvering traction is avoided; the two sides of the lifting beam 4 are provided with mounting grooves, the top ends of the outer shearing fork rod 2 and the inner shearing fork rod 3 are respectively connected with a sliding pin and are in sliding connection with the mounting grooves, the top ends of the lifting beam 4 and the bottom end of the machine body support frame 5 are respectively connected with a connecting lug, one side of each connecting lug is connected with a connecting pin shaft, and the machine body support frame 5 can realize the general functions of different machine types through replacement;
the chassis 1 is rectangular structure, the left and right sides adopt the channel-section steel setting, and chassis 1 central point puts and is equipped with the hydro-cylinder installation roof beam to be connected with hydro-cylinder 7 and set up, ensure that hydro-cylinder 7 can fix the central point in the chassis put, and the hydro-cylinder piston rod is along central line vertical lift, thereby guarantees that outer fork rod 2 and interior fork rod 3 are gone up and down along the central line is synchronous, and both sides atress is even.
Working principle: when the lifting frame is used, the lifting frame is firstly pushed to the lower part of an airplane body in the lowest state of the bracket, then the rotating support frame 53 is lifted and is fixed by the quick-release pin 54, so that the whole body support frame 5 is opened, the handle 10 is inserted into a connecting rod at one side of a hand pump in the hydraulic control assembly 8, the oil cylinder 7 is pressurized through an oil pipe, the oil cylinder 7 extends, the outer shearing fork rod 2 and the inner shearing fork rod 3 are lifted, the outer shearing fork rod 2 and the inner shearing fork rod 3 lift the body support frame 5 upwards through the lifting cross beam 4 until the body support frame 5 is in quick contact with the airplane body, the bracket position is adjusted to be aligned with the center, the rotating disc 113 is rotated, the support foot pad 114 is fully contacted with the ground and is leveled through the screw 112, the hand pump is continuously shaken, the bracket is lifted, lifting work is completed, the lifting work can be realized by a single person during lifting or descending, the problem of clamping stagnation caused by asynchronous lifting of screw rods at two sides is solved, the use efficiency and the safety of the bracket is improved, and the manpower consumption is reduced.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A scissor lift bracket comprising a chassis (1), characterized in that: the novel lifting device is characterized in that an outer shearing fork rod (2) and an inner shearing fork rod (3) are slidably arranged on the inner side of the chassis (1), the outer shearing fork rod (2) is rotatably connected with the inner shearing fork rod (3), a lifting cross beam (4) is slidably arranged at the top end of the lifting cross beam (4), a machine body supporting frame (5) is arranged at the top end of the lifting cross beam in a connecting mode, a traction mechanism (6) is arranged on one side of the chassis (1) in a connecting mode, an oil cylinder (7) is arranged at the top end of the chassis (1) in a connecting mode, a hydraulic control assembly (8) is arranged on one side of the chassis (1) in a connecting mode, a handle (9) is arranged at the top end of the chassis (1) in a connecting mode, an elastic clamp (10) is arranged on two sides of the chassis (1) in a connecting mode, and a moving wheel (12) is arranged at the bottom end of the chassis (1) in a connecting mode. The traction mechanism (6) comprises a first connecting rod (61), a second connecting rod (62) is rotatably arranged at one end of the first connecting rod (61), and a traction ring (63) is connected and arranged at one end of the second connecting rod (62);
the machine body support frame (5) comprises a fixed support frame (51), two ends of the fixed support frame (51) are connected with a rotary support frame (52), a fixed pin shaft (53) is rotatably arranged at the middle end of the rotary support frame (52), a quick-release pin shaft (54) is connected with one side of the fixed support frame (51), and one end of the quick-release pin shaft (54) penetrates through the fixed support frame (51) and the fixed pin shaft (53);
the lower margin subassembly (11) is including fixed pipe support (111), fixed pipe support (111) top rotates and is provided with screw rod (112), screw rod (112) top connection is provided with rolling disc (113), screw rod (112) bottom runs through fixed pipe support (111) and rotates and be provided with support callus on the sole (114).
2. A scissor lift bracket as claimed in claim 1, wherein: the hydraulic control device is characterized in that a connecting shaft is connected between the outer shearing fork rod (2) and the inner shearing fork rod (3), the top end of the oil cylinder (7) is rotationally connected with the connecting shaft, an oil pipe is connected and arranged on one side of the oil cylinder (7), and one end of the oil pipe is connected with the hydraulic control assembly (8).
3. A scissor lift bracket as claimed in claim 2, wherein: the hand pump is arranged on one side of the hydraulic control assembly (8), the connecting rod is arranged on one side of the hand pump, and one end of the elastic clamp (10) is provided with an insertion pipe in a connection mode corresponding to the connecting rod.
4. A scissor lift bracket as claimed in claim 1, wherein: the movable wheels (12) are provided with a front group and a rear group, wherein the front group is a universal wheel, and the rear group is a directional wheel.
5. A scissor lift bracket as claimed in claim 1, wherein: the lifting cross beam (4) is characterized in that mounting grooves are formed in two sides of the lifting cross beam (4), sliding pins are arranged on the tops of the outer shearing fork rods (2) and the inner shearing fork rods (3) in a connecting mode and are in sliding connection with the mounting grooves, connecting lugs are arranged on the tops of the lifting cross beam (4) and the bottom end of the machine body supporting frame (5) in a connecting mode, and connecting pins are arranged on one side of each connecting lug in a connecting mode.
6. A scissor lift bracket as claimed in claim 1, wherein: the chassis (1) is of a rectangular structure, the left side and the right side are provided with channel steel, and an oil cylinder mounting beam is arranged at the center of the chassis (1) and is connected with the oil cylinder (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321075951.6U CN220467458U (en) | 2023-05-08 | 2023-05-08 | Scissor fork type lifting bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321075951.6U CN220467458U (en) | 2023-05-08 | 2023-05-08 | Scissor fork type lifting bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220467458U true CN220467458U (en) | 2024-02-09 |
Family
ID=89802069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321075951.6U Active CN220467458U (en) | 2023-05-08 | 2023-05-08 | Scissor fork type lifting bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220467458U (en) |
-
2023
- 2023-05-08 CN CN202321075951.6U patent/CN220467458U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |