CN214997405U - Liftable cat ladder - Google Patents
Liftable cat ladder Download PDFInfo
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- CN214997405U CN214997405U CN202120418721.XU CN202120418721U CN214997405U CN 214997405 U CN214997405 U CN 214997405U CN 202120418721 U CN202120418721 U CN 202120418721U CN 214997405 U CN214997405 U CN 214997405U
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- connecting rod
- agricultural implement
- connecting plate
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- main part
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Abstract
The utility model discloses a liftable cat ladder, including stopper, agricultural implement main part connecting plate, connecting rod two, connecting rod one, fixed subassembly and cat ladder main part, but the one end of connecting rod one is passed through the rotatable articulated agricultural implement main part connecting plate of locating of bolt, but the one end of connecting rod two is passed through the rotatable articulated agricultural implement main part connecting plate of locating of bolt on, the cat ladder main part passes through the other end of connecting rod one and the other end of connecting rod two and links to each other with agricultural implement main part connecting plate, the stopper is fixed to be located on the agricultural implement main part connecting plate, connecting rod one lower extreme is located to the stopper, fixed subassembly is located on connecting rod two and the agricultural implement main part connecting plate, the utility model belongs to mechanical agricultural implement technical field specifically indicates a liftable cat ladder.
Description
Technical Field
The utility model belongs to the technical field of mechanical agricultural implement, specifically indicate a liftable cat ladder.
Background
Because the mechanical agricultural implement needs workers to frequently go to the upper part of the implement for repair or fill auxiliary materials in time, the agricultural implement is required to be provided with a ladder climbing device for climbing and climbing of the workers. Because of the requirement of the operation form, the ground clearance of the agricultural machine is larger, so that the workers can not get on or off the agricultural machine conveniently, and larger potential safety hazards exist. If the fixed ladder stand is directly arranged on the agricultural implement for normal use of personnel, the working efficiency and the working effect of the agricultural implement are seriously influenced due to the small ground clearance of the fixed ladder stand
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a liftable cat ladder.
In order to realize the above functions, the utility model discloses the technical scheme who takes as follows: a liftable cat ladder comprises a limiting block, an agricultural implement main body connecting plate, a connecting rod II, a connecting rod I, a fixing assembly and a cat ladder main body, wherein one end of the connecting rod I is rotatably hinged to the agricultural implement main body connecting plate through a bolt, one end of the connecting rod II is rotatably hinged to the agricultural implement main body connecting plate through a bolt, the cat ladder main body is connected with the agricultural implement main body connecting plate through the other end of the connecting rod I and the other end of the connecting rod II, a hinge point is connected through a hinge hole bolt, the limiting block is fixedly arranged on the agricultural implement main body connecting plate and is arranged at the lower end of the connecting rod I, and the fixing assembly is arranged on the connecting rod II and the agricultural implement main body connecting plate; this device realizes the lift of cat ladder main part through four connecting rod structures of machinery, and the cat ladder passes through the connecting rod and links to each other with agricultural implement main part connecting plate, and hinge point department uses the reamed hole bolt to be connected, and the welding has the stopper on the agricultural implement main part connecting plate, when using the cat ladder main part, descends the cat ladder main part downwards, and connecting rod one takes place to interfere with the stopper for the cat ladder is not continuing to descend, and the staff can climb through the cat ladder this moment, and personnel's heavy burden is born by the welding seam of stopper.
Furthermore, the fixing assembly comprises a pin shaft and a hook plate, the pin shaft is arranged on a connecting plate of the main body of the agricultural implement, and one end of the hook plate is rotatably hinged on the second connecting rod; when the ladder stand main body needs to be folded, a hook plate is connected with the second connecting rod at one end through a hinged hole bolt, when the ladder stand is normally used, the hook plate is vertically downward due to dead weight, the normal climbing action of personnel cannot be influenced, when the ladder stand needs to be folded upwards, one end of the hook plate is connected to a fixed pin shaft on the connecting plate of the farm machine main body, due to the effect of the hook plate and the pin shaft, the ladder stand cannot fall off during operation, and the normal ground clearance of the farm machine is guaranteed.
Furthermore, the first connecting rods are provided with two groups by taking the central axis of the connecting plate of the main body of the agricultural implement as a symmetry axis.
Furthermore, the second connecting rod is provided with two groups by taking the central axis of the connecting plate of the main body of the agricultural implement as a symmetry axis.
The utility model adopts the above structure to gain beneficial effect as follows: the utility model provides a liftable cat ladder easy operation, the mechanism is compact, reasonable in design, this device realizes the lift of cat ladder main part through mechanical four-bar linkage structure, the cat ladder links to each other with agricultural implement main part connecting plate through the connecting rod, hinge point department uses the hinge system hole bolt to be connected, the welding has the stopper on the agricultural implement main part connecting plate, when using the cat ladder main part, descend the cat ladder main part downwards, connecting rod one and stopper take place to interfere, make the cat ladder not continue to descend, the staff can climb through the cat ladder at this moment, personnel's heavy burden is undertaken by the welding seam of stopper; when the ladder stand main body needs to be folded, a hook plate is connected with the second connecting rod at one end through a hinged hole bolt, when the ladder stand is normally used, the hook plate is vertically downward due to dead weight, the normal climbing action of personnel cannot be influenced, when the ladder stand needs to be folded upwards, one end of the hook plate is connected to a fixed pin shaft on the connecting plate of the farm machine main body, due to the effect of the hook plate and the pin shaft, the ladder stand cannot fall off during operation, and the normal ground clearance of the farm machine is guaranteed.
Drawings
Fig. 1 is a schematic view of the use structure of the liftable ladder of the utility model;
fig. 2 is an effect diagram of the utility model when the ladder stand can be lifted and retracted.
The agricultural implement comprises a limiting block 1, a limiting block 2, an agricultural implement main body connecting plate 3, a connecting rod II, a connecting rod I, a connecting rod 5, a fixing component 6, a ladder stand main body, a pin shaft 7, a pin shaft 8 and a hook plate.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-2, the utility model relates to a liftable cat ladder, including stopper 1, agricultural implement main part connecting plate 2, two 3 of connecting rod, connecting rod 4, fixed subassembly 5 and cat ladder main part 6, but the one end of connecting rod 4 is passed through the rotatable articulated agricultural implement main part connecting plate 2 of locating of bolt, but the one end of connecting rod two 3 is passed through the rotatable articulated agricultural implement main part connecting plate 2 of locating of bolt on, cat ladder main part 6 links to each other with agricultural implement main part connecting plate 2 through the other end of connecting rod 4 and the other end of connecting rod two 3, stopper 1 is fixed to be located on agricultural implement main part connecting plate 2, stopper 1 locates one 4 lower extremes of connecting rod, fixed subassembly 5 is located on two 3 of connecting rod and agricultural implement main part connecting plate 2.
The fixed component 5 comprises a pin shaft 7 and a hook plate 8, the pin shaft 7 is arranged on the connecting plate 2 of the main body of the agricultural implement, and one end of the hook plate 8 is rotatably hinged to the second connecting rod 3.
And the first connecting rods 4 are provided with two groups by taking the central axis of the connecting plate 2 of the main body of the agricultural implement as a symmetrical axis.
And the second connecting rods 3 are provided with two groups by taking the central axis of the connecting plate 2 of the main body of the agricultural implement as a symmetrical axis.
When the device is used specifically, the lifting of the ladder stand main body 6 is realized through a mechanical four-bar linkage structure, the ladder stand is connected with a connecting plate 2 of a farm implement main body through a connecting rod, a hinge point is connected through a hinged hole bolt, a limiting block 1 is welded on the connecting plate 2 of the farm implement main body, when the ladder stand main body 6 is used, the ladder stand main body 6 descends downwards, a first connecting rod 4 interferes with the limiting block 1, so that the ladder stand does not descend continuously, a worker can climb through the ladder stand at the moment, and the load of the worker is borne by a welding seam of the limiting block 1; when needing to receive cat ladder main part 6, there is couple board 8 through the reamed hole bolted connection in the two 3 connecting rods of one end, this couple board 8 is because the dead weight is vertical downwards when the cat ladder is normally used, can not cause the influence to personnel's normal climbing action, when needs upwards receive the cat ladder, link this couple board 8 one end on agricultural implement main part connecting plate 2 fixed round pin axle 7, because couple board 8 and round pin axle 7's effect, make the cat ladder can not drop when the operation, and guaranteed the normal liftoff clearance of agricultural implement.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (4)
1. A liftable cat ladder which characterized in that: the agricultural implement ladder comprises a limiting block, an agricultural implement main body connecting plate, a connecting rod II, a connecting rod I, a fixing assembly and a ladder stand main body, wherein one end of the connecting rod I is rotatably hinged to the agricultural implement main body connecting plate through a bolt, one end of the connecting rod II is rotatably hinged to the agricultural implement main body connecting plate through a bolt, the ladder stand main body is connected with the agricultural implement main body connecting plate through the other end of the connecting rod I and the other end of the connecting rod II, the limiting block is fixedly arranged on the agricultural implement main body connecting plate, the lower end of the connecting rod I is arranged on the limiting block, and the fixing assembly is arranged on the connecting rod II and the agricultural implement main body connecting plate.
2. The liftable cat ladder of claim 1, characterized in that: the fixing assembly comprises a pin shaft and a hook plate, the pin shaft is arranged on a connecting plate of the main body of the agricultural implement, and one end of the hook plate is rotatably hinged to the second connecting rod.
3. A liftable ladder according to claim 2, characterized in that: and the first connecting rods are provided with two groups by taking the central axis of the connecting plate of the main body of the agricultural implement as a symmetry axis.
4. A liftable ladder according to claim 3, characterized in that: and the second connecting rods are provided with two groups by taking the central axis of the connecting plate of the main body of the agricultural implement as a symmetrical axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120418721.XU CN214997405U (en) | 2021-02-25 | 2021-02-25 | Liftable cat ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120418721.XU CN214997405U (en) | 2021-02-25 | 2021-02-25 | Liftable cat ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214997405U true CN214997405U (en) | 2021-12-03 |
Family
ID=79158165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120418721.XU Active CN214997405U (en) | 2021-02-25 | 2021-02-25 | Liftable cat ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214997405U (en) |
-
2021
- 2021-02-25 CN CN202120418721.XU patent/CN214997405U/en active Active
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