CN211813293U - Scissor fork type aerial work platform lifting device - Google Patents
Scissor fork type aerial work platform lifting device Download PDFInfo
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- CN211813293U CN211813293U CN201922198141.XU CN201922198141U CN211813293U CN 211813293 U CN211813293 U CN 211813293U CN 201922198141 U CN201922198141 U CN 201922198141U CN 211813293 U CN211813293 U CN 211813293U
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Abstract
The embodiment of the utility model discloses a lifting device of a scissor-fork type aerial work platform, in particular to the technical field of lifting devices, which comprises a bottom plate, wherein the top of the bottom plate is provided with a protection mechanism; protection mechanism includes four connecting rods, two the connecting rod outside all overlaps and is equipped with first protection frame, two in addition the connecting rod outside all overlaps and is equipped with the second protection frame, the fixed frame that is equipped with in bottom plate top, the fixed motor that is equipped with in fixed frame top, the fixed first pivot that is equipped with of motor output. The utility model discloses a motor drives first pivot and rotates, and first rope rolling makes first protective frame upward movement, and first bevel gear drives second bevel gear and rotates, and second bevel gear drives the second pivot and rotates, and second rope rolling makes second protective frame upward movement, until first protective frame and second protective frame and stopper laminating, can realize protecting people and lifting support, and life is improved.
Description
Technical Field
The embodiment of the utility model provides a relate to elevating gear technical field, concretely relates to cut fork aerial working platform's elevating gear.
Background
Along with the gradual maturity of the lifting device technique of our country, equipment such as various aerial working platforms develop rapidly, and prior art's lifting device is mostly including table surface and the elevating system who sets up in table surface lower extreme constitutes, and prior art's elevating system adopts scissors formula or fork formula usually, and it is mainly through two connecting rods, and the cross department is articulated through the round pin axle in the middle part, and in order to guarantee to go up and down high enough, therefore the lifting support can set up to the multiunit.
The prior art has the following defects: in the prior art, most of protection for the lifting device is directed at the operation platform, so that the lifting bracket is ignored, and the service life of the lifting device is shortened, therefore, the invention of the lifting device of the scissor type aerial work platform is necessary.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a cut fork aerial working platform's elevating gear, it rotates to drive first pivot through the motor, first pivot makes first protective frame upward movement through the first rope of rolling, then first bevel gear drives second bevel gear and rotates, second bevel gear drives the second pivot and rotates, the second pivot makes second protective frame upward movement through the rolling second rope, until first protective frame and second protective frame and stopper laminating, can realize the people and protect lifting support, service life is improved, because the protection to lifting device is mostly to the operation platform among the solution prior art, make lifting support neglected, and then make lifting device's life reduced problem.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a lifting device of a scissor-fork type aerial work platform comprises a bottom plate, wherein a protection mechanism is arranged at the top of the bottom plate;
the protection mechanism comprises four connecting rods, four the connecting rods are all fixedly connected with the bottom plate, two the connecting rod outside is all overlapped and is equipped with first protection frame, two first protection frame is established respectively in the bottom plate both sides, first protection frame is laminated with the connecting rod mutually, another two the connecting rod outside is all overlapped and is equipped with second protection frame, second protection frame is laminated with the connecting rod mutually, the fixed frame that is equipped with in bottom plate top, fixed frame is established between four connecting rods, the fixed motor that is equipped with in fixed frame top, the fixed first pivot that is equipped with of motor output, the fixed cover in first pivot outside is equipped with first bevel gear, first bevel gear bottom is equipped with the second bevel gear, second bevel gear and first bevel gear meshing, the inside fixed second pivot that is equipped with of second bevel gear.
Further, the first rotating shaft is sleeved with two first fixing blocks, the two first fixing blocks are fixedly arranged at the top of the fixing frame, the first rotating shaft is movably connected with the first fixing blocks through bearings, the two first ropes are fixedly sleeved on the outer side of the first rotating shaft and are respectively arranged between the first bevel gear and the first fixing blocks, a first opening is formed in one side of the first protection frame, and the other end of each first rope is fixedly connected with the first opening.
Further, second pivot outside cover is equipped with two second fixed blocks, two the second fixed block is all fixed to be established at fixed frame top, bearing and second fixed block swing joint are passed through in the second pivot, the fixed cover in the second pivot outside is equipped with two second ropes, two the second rope is established respectively and is established between the second fixed block, the second opening has been seted up to second protection frame one side, the second rope other end and second opening fixed connection.
Furthermore, a telescopic support is fixedly arranged at the bottom of the bottom plate.
Furthermore, a plurality of guard bars are fixedly arranged inside the first protective frame and the second protective frame, and round corners are machined at the bottoms of the first protective frame and the second protective frame.
Furthermore, a sealing door is arranged inside the second protective frame and arranged between the two protective rods, and the sealing door is hinged to the protective rods through hinges.
Furthermore, four limiting blocks are fixedly arranged at the top of the bottom plate and are respectively contacted with one sides of the first protective frame and the second protective frame.
The embodiment of the utility model provides a have following advantage:
drive first pivot through the motor and rotate, first pivot makes first protective frame upward movement through the first rope of rolling, then first bevel gear drives second bevel gear and rotates, second bevel gear drives the second pivot and rotates, the second pivot makes second protective frame upward movement through the rolling second rope, until first protective frame and second protective frame and stopper laminating, compare with prior art, can realize the people and protect to lifting support, life is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a cross-sectional view of the overall structure provided by the present invention;
fig. 2 is a top view of the bottom plate provided by the present invention;
FIG. 3 is an enlarged view of the portion A of FIG. 1 according to the present invention;
fig. 4 is an enlarged view of a portion B of fig. 2 according to the present invention;
fig. 5 is a schematic view of the present invention in an initial state;
in the figure: the sealing device comprises a base plate 1, a first protection frame 2, a second protection frame 3, a fixing frame 4, a motor 5, a first rotating shaft 6, a first bevel gear 7, a second bevel gear 8, a second rotating shaft 9, a first fixing block 10, a second fixing block 11, a first opening 12, a first rope 13, a second opening 14, a second rope 15, a connecting rod 16, a telescopic support 17 and a sealing door 18.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.
Referring to the attached drawings 1-5 in the specification, the lifting device of the scissor-type aerial work platform comprises a bottom plate 1, wherein a protection mechanism is arranged at the top of the bottom plate 1;
the protection mechanism comprises four connecting rods 16, the four connecting rods 16 are all fixedly connected with the bottom plate 1, the outer sides of the two connecting rods 16 are all sleeved with first protection frames 2, the two first protection frames 2 are respectively arranged at two sides of the bottom plate 1, the first protection frames 2 are attached to the connecting rods 16, the outer sides of the other two connecting rods 16 are respectively sleeved with a second protective frame 3, the second protective frames 3 are jointed with the connecting rods 16, a fixed frame 4 is fixedly arranged at the top of the bottom plate 1, the fixed frame 4 is arranged among four connecting rods 16, the top of the fixed frame 4 is fixedly provided with a motor 5, the output end of the motor 5 is fixedly provided with a first rotating shaft 6, a first bevel gear 7 is fixedly sleeved on the outer side of the first rotating shaft 6, a second bevel gear 8 is arranged at the bottom of the first bevel gear 7, the second bevel gear 8 is meshed with the first bevel gear 7, and a second rotating shaft 9 is fixedly arranged inside the second bevel gear 8.
Further, 6 outside covers of first pivot are equipped with two first fixed blocks 10, two first fixed blocks 10 are all fixed to be established at fixed frame 4 top, first pivot 6 passes through bearing and first fixed block 10 swing joint, 6 outside fixed covers of first pivot are equipped with two first ropes 13, two first rope 13 establishes respectively between first bevel gear 7 and first fixed block 10, first opening 12 has been seted up to first protection frame 2 one side, the other end of first rope 13 and first opening 12 fixed connection can control the up-and-down motion of first protection frame 2 through first rope 13.
Further, 9 outside covers of second pivot are equipped with two second fixed blocks 11, two the second fixed block 11 is all fixed to be established at fixed frame 4 top, second pivot 9 passes through bearing and 11 swing joint of second fixed block, the fixed cover in 9 outsides of second pivot is equipped with two second ropes 15, two second rope 15 is established respectively between 8 and second fixed block 11, second opening 14 has been seted up to 3 one sides of second protection frame, the 15 other ends of second rope and second opening 14 fixed connection can be controlled the up-and-down motion of second protection frame 3 through second rope 15.
Further, the bottom of the bottom plate 1 is fixedly provided with a telescopic bracket 17, and the telescopic bracket 17 is in the prior art and is not further described herein.
Further, first protective frame 2 all is fixed with a plurality of fenders with second protective frame 3 is inside, first protective frame 2 all processes for the fillet with second protective frame 3 bottoms, through establishing a plurality of fenders, can increase the operating personnel's protection dynamics on the operation platform.
Further, a sealing door 18 is arranged inside one second protection frame 3, the sealing door 18 is arranged between the two protection rods, and the sealing door 18 is hinged with the protection rods through hinges.
Further, 1 top of bottom plate is fixed and is equipped with four stopper, four the stopper contacts with first protective frame 2 and 3 one sides of second protective frame respectively, carries on spacingly to first protective frame 2 and second protective frame 3 for first protective frame 2 and second protective frame 3 can keep ninety degrees perpendicularly with the base.
The implementation scenario is specifically as follows: when the utility model is put into practical use, the initial state is as shown in fig. 5, the first protective frame 2 and the second protective frame 3 are both attached to the telescopic bracket 17, the size of the utility model is reduced, then the power supply is connected, the motor 5 drives the first rotating shaft 6 to rotate, because the first rotating shaft 6 is movably connected with the two first fixing blocks 10 through the bearing, and further the first rotating shaft 6 can stably rotate, then the first rotating shaft 6 winds the two first ropes 13, and the other end of the first rope 13 is fixedly connected with the first opening 12 on the first protective frame 2, the first rope 13 drives the first protective frame 2 to rotate around the connecting rod 16 in the winding process, meanwhile, the first bevel gear 7 on the first rotating shaft 6 drives the second bevel gear 8 to rotate, the second bevel gear 8 drives the second rotating shaft 9 to rotate, and because the second rotating shaft 9 is movably connected with the two second fixing blocks 11 through the bearing, therefore, the second rotating shaft 9 can rotate smoothly, then the second rotating shaft 9 winds up the second rope 15, because the second rope 15 is fixedly connected with the second opening 14 on the second protective frame 3, the second rope 15 drives the second protective frame 3 to rotate around the connecting rod 16 in the winding process until the first protective frame 2 and the second protective frame 3 are simultaneously attached to the limiting block on the top of the bottom plate 1, the power supply is turned off, the working platform is built, the motor 5 drives the first rotating shaft 6 to rotate, the first rotating shaft 6 drives the first protective frame 2 to move upwards by winding the first rope 13, then the first bevel gear 7 drives the second bevel gear 8 to rotate, the second rotating shaft 8 drives the second rotating shaft 9 to rotate, the second rotating shaft 9 drives the second protective frame 3 to move upwards by winding the second rope 15 until the first protective frame 2 and the second protective frame 3 are attached to the limiting block, and then can realize people and to lifting support protect, life is improved, then embodiment has specifically solved among the prior art to the protection to elevating gear mostly to the work platform for lifting support is neglected, and then makes elevating gear's life be shortened the problem.
The working principle is as follows:
referring to the description attached drawings 1-5, work as the utility model discloses when putting into practical use, under initial condition, first this bearer bar 2 and second bearer bar 3 all laminate with telescopic bracket 17 mutually, then communicate the power, motor 5 drives first pivot 6 and rotates, first pivot 6 is with the rolling of first rope 13, first rope 13 drives first bearer bar 2 and rotates round connecting rod 16, and meanwhile, first bevel gear 7 drives second bevel gear 8 and rotates, second bevel gear 8 drives second pivot 9 and rotates, second pivot 9 is with the rolling of second rope 15, second rope 15 drives second bearer bar 3 and rotates round connecting rod 16, when first bearer bar 2 and second bearer bar 3 simultaneously and the stopper laminating at bottom plate 1 top, close the power.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. The utility model provides a cut fork aerial working platform's elevating gear, includes bottom plate (1), its characterized in that: the top of the bottom plate (1) is provided with a protection mechanism;
the protection mechanism comprises four connecting rods (16), the four connecting rods (16) are fixedly connected with a bottom plate (1), the outer sides of the two connecting rods (16) are respectively sleeved with a first protection frame (2), the two first protection frames (2) are respectively arranged on two sides of the bottom plate (1), the first protection frame (2) is attached to the connecting rods (16), the outer sides of the other two connecting rods (16) are respectively sleeved with a second protection frame (3), the second protection frame (3) is attached to the connecting rods (16), a fixed frame (4) is fixedly arranged at the top of the bottom plate (1), the fixed frame (4) is arranged among the four connecting rods (16), a motor (5) is fixedly arranged at the top of the fixed frame (4), a first rotating shaft (6) is fixedly arranged at the output end of the motor (5), a first bevel gear (7) is fixedly arranged at the outer side of the first rotating shaft (6), the bottom of the first bevel gear (7) is provided with a second bevel gear (8), the second bevel gear (8) is meshed with the first bevel gear (7), and a second rotating shaft (9) is fixedly arranged inside the second bevel gear (8).
2. The lifting device of a scissor-type aerial work platform according to claim 1, wherein: first pivot (6) outside cover is equipped with two first fixed blocks (10), two first fixed block (10) are all fixed to be established at fixed frame (4) top, first pivot (6) are through bearing and first fixed block (10) swing joint, the fixed cover in first pivot (6) outside is equipped with two first ropes (13), two first rope (13) are established respectively between first bevel gear (7) and first fixed block (10), first opening (12) have been seted up to first protection frame (2) one side, first rope (13) other end and first opening (12) fixed connection.
3. The lifting device of a scissor-type aerial work platform according to claim 1, wherein: second pivot (9) outside cover is equipped with two second fixed blocks (11), two second fixed block (11) are all fixed to be established at fixed frame (4) top, second pivot (9) are through bearing and second fixed block (11) swing joint, the fixed cover in second pivot (9) outside is equipped with two second rope (15), two second rope (15) are established respectively between second bevel gear (8) and second fixed block (11), second opening (14) have been seted up to second protection frame (3) one side, second rope (15) other end and second opening (14) fixed connection.
4. The lifting device of a scissor-type aerial work platform according to claim 1, wherein: the bottom of the bottom plate (1) is fixedly provided with a telescopic bracket (17).
5. The lifting device of a scissor-type aerial work platform according to claim 1, wherein: the first protection frame (2) and the second protection frame (3) are all fixedly provided with a plurality of protection rods, and the bottoms of the first protection frame (2) and the second protection frame (3) are all processed into round corners.
6. The lifting device of a scissor-type aerial work platform according to claim 5, wherein: one inside sealing door (18) that is equipped with of second protective frame (3), sealing door (18) are established between two guard bars, sealing door (18) pass through the hinge and are articulated with the guard bar.
7. The lifting device of a scissor-type aerial work platform according to claim 1, wherein: the top of the bottom plate (1) is fixedly provided with four limiting blocks, and the four limiting blocks are respectively contacted with one sides of the first protective frame (2) and the second protective frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922198141.XU CN211813293U (en) | 2019-12-10 | 2019-12-10 | Scissor fork type aerial work platform lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922198141.XU CN211813293U (en) | 2019-12-10 | 2019-12-10 | Scissor fork type aerial work platform lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211813293U true CN211813293U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922198141.XU Active CN211813293U (en) | 2019-12-10 | 2019-12-10 | Scissor fork type aerial work platform lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211813293U (en) |
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- 2019-12-10 CN CN201922198141.XU patent/CN211813293U/en active Active
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