CN204281190U - A kind of combination lifting mechanism - Google Patents
A kind of combination lifting mechanism Download PDFInfo
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- CN204281190U CN204281190U CN201420728089.9U CN201420728089U CN204281190U CN 204281190 U CN204281190 U CN 204281190U CN 201420728089 U CN201420728089 U CN 201420728089U CN 204281190 U CN204281190 U CN 204281190U
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- power transmission
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- lift
- lifting mechanism
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Abstract
A kind of combination lifting mechanism, comprises scissors fork elevating mechanism, screw lift structure; Wherein, in scissors fork elevating mechanism, roller is arranged on power transmission base, and scissor arm component one end is connected with the screw mandrel be arranged on power transmission base, and the other end is connected with bay-lift, rotates rocking arm and is arranged on power transmission base side, and be connected with screw mandrel; In screw lift structure, trapezoidal screw through bay-lift and screw mandrel hinged, handwheel is arranged on trapezoidal screw, by scissors fork elevating mechanism with the installation elemental height of enhancing screw lifting mechanism, can in small space lifting equipment, easy to use, the maintenance efficiency of aircraft can be increased substantially; In addition, power transmission base is provided with guide groove, the bearing that sleeve is arranged by two ends rolls in the guide groove of power transmission base, thus the angle changed between square tube scissor arm realizes rise or the reduction of bay-lift, does not rely on mutually during the lifting of two-stage lifting mechanism; And structure is simple, easy to use; On power transmission base, be provided with roller simultaneously, effectively increase work efficiency.
Description
Technical field
The utility model relates to mechanical lifting gear technical field, particularly relates to a kind of combination lifting mechanism.
Background technology
In aircraft utilization handling labor, often to need under ventral loader-unloader in small space to carry equipment, and for the larger equipment of quality, be difficult to handling labor, usually needed by lifting mechanism, equipment larger for quality to be held up.At present conventional two kinds single lifting mechanisms: one is screw lift structure, has structure simple, can in small space the feature of lifting equipment, but lifting travel is by the restriction of installing elemental height; Two is scissor-type lifting mechanisms, but structure takes up room comparatively large, and use operation has certain limitation, is difficult to the installation requirements meeting small space.
Summary of the invention
The technical matters that the utility model solves is to provide a kind of combination lifting mechanism, to solve the shortcoming in above-mentioned background technology.
The technical matters that the utility model solves realizes by the following technical solutions:
A kind of combination lifting mechanism, comprises scissors fork elevating mechanism, screw lift structure; Wherein, in scissors fork elevating mechanism, roller is arranged on power transmission base, and scissor arm component one end is connected with the screw mandrel be arranged on power transmission base, and the other end is connected with bay-lift, rotates rocking arm and is arranged on power transmission base side, and be connected with screw mandrel; In screw lift structure, trapezoidal screw through bay-lift and screw mandrel hinged, handwheel is arranged on trapezoidal screw, by scissors fork elevating mechanism with the installation elemental height of enhancing screw lifting mechanism, can in small space lifting equipment, easy to use, the maintenance efficiency of aircraft can be increased substantially; In addition, power transmission base is provided with guide groove.
In the utility model, scissor arm component comprises a prescription pipe scissor arm, and is bolted between square tube scissor arm, has the advantage of stabilized structure, reliable, safe and efficient, failure rate is low; Simultaneously annex installing space size Selection square tube scissor brachium can be become short or adopt two-stage scissor with aircraft according to lifting travel.
In the utility model, screw mandrel is set with sleeve, sleeve embeds in the guide groove of power transmission base by the bearing that two ends are arranged, the screw mandrel on power transmission base is driven to rotate by rotating rocking arm, sleeve bearings at both ends is rolled in guide groove, thus the angle changed between square tube scissor arm realizes rise or the reduction of bay-lift.
In the utility model, power transmission base is provided with reinforced rib, is conducive to the stability of power transmission base.
In the utility model, trapezoidal screw is at right angle setting, takies volume little, can according to rest object and installing space size design pallet size thereof; Simultaneously the Design of length of trapezoidal screw will meet two aspects and requires: one is scissors fork elevating mechanism when dropping to minimum, can not contact to earth in trapezoidal screw bottom; Two is scissors fork elevating mechanism and screw lift structure two-stage lifting mechanism when all dropping to minimum, under installation car can enter into ventral.
In the utility model, roller is arranged on the bearing of power transmission base extension setting.
Beneficial effect: the utility model is combined by scissors fork elevating mechanism and screw lift structure, the bearing that sleeve is arranged by two ends rolls in the guide groove of power transmission base, thus the angle changed between square tube scissor arm realizes rise or the reduction of bay-lift, do not rely on mutually during the lifting of two-stage lifting mechanism; And structure is simple, easy to use, the maintenance efficiency of aircraft can be increased substantially; On power transmission base, be provided with roller simultaneously, effectively improve work efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of preferred embodiment of the present utility model.
Detailed description of the invention
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
See the one combination lifting mechanism of Fig. 1, comprise scissors fork elevating mechanism 10, rotate rocking arm 11, screw mandrel 12, square tube scissor arm component 13, bolt 14, bay-lift 15, power transmission base 16, roller 17, screw lift structure 20, handwheel 21 and trapezoidal screw 22.
In scissors fork elevating mechanism 10, roller 17 is arranged on power transmission base 16, square tube scissor arm component 13 one end is connected with the screw mandrel 12 be arranged on power transmission base 16, the other end is connected with bay-lift 15, square tube scissor arm in square tube scissor arm component 13 is connected by bolt 14, rotate rocking arm 11 and be arranged on power transmission base 16 side, and be connected with screw mandrel 12; In real work, annex installing space size can be become to carry out appropriate design square tube scissor brachium with aircraft according to lifting travel short or adopt two-stage scissor, the screw mandrel 12 on power transmission base 16 is driven to rotate by rotating rocking arm 11, screw mandrel 12 is set with sleeve, sleeve bearings at both ends is rolled in the guide groove of power transmission base 16, thus between change scissor arm, angle realizes rise or the reduction of bay-lift 15.
In screw lift structure 20, trapezoidal screw 22 is hinged through bay-lift 15 and screw mandrel 12, handwheel 21 is arranged on trapezoidal screw 22, by the installation elemental height of scissors fork elevating mechanism 10 enhancing screw lifting mechanism 20, can in small space lifting equipment, easy to use, the maintenance efficiency of aircraft can be increased substantially.
In the present embodiment, trapezoidal screw 22 at right angle setting, its Design of length will meet two aspects and require: one is scissors fork elevating mechanism 10 when dropping to minimum, can not contact to earth in trapezoidal screw 22 bottom; Two is scissors fork elevating mechanisms 10 when all dropping to minimum with screw lift structure 20 two-stage lifting mechanism, under installation car can enter into ventral; By rotation hand wheel 21, trapezoidal screw 22 moved up and down thus drive pallet to rise or reduce, because trapezoidal screw 22 is at right angle setting, taking volume little, pallet size can be designed according to rest object and installing space size thereof simultaneously.
More than show and describe groundwork of the present utility model and principal character and advantage of the present utility model.The technical personnel of the industry should be understood; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof
.
Claims (6)
1. combine a lifting mechanism, comprise scissors fork elevating mechanism, screw lift structure; It is characterized in that, in scissors fork elevating mechanism, roller is arranged on power transmission base, and scissor arm component one end is connected with the screw mandrel be arranged on power transmission base, and the other end is connected with bay-lift, rotates rocking arm and is arranged on power transmission base side, and be connected with screw mandrel; In screw lift structure, trapezoidal screw through bay-lift and screw mandrel hinged, handwheel is arranged on trapezoidal screw; In addition, power transmission base is provided with guide groove.
2. one combination lifting mechanism according to claim 1, it is characterized in that, scissor arm component comprises a prescription pipe scissor arm, and is bolted between square tube scissor arm.
3. one combination lifting mechanism according to claim 1, is characterized in that, screw mandrel is set with sleeve.
4. one combination lifting mechanism according to claim 3, it is characterized in that, the bearing that sleeve is arranged by two ends embeds in the guide groove of power transmission base.
5. one combination lifting mechanism according to claim 1, is characterized in that, power transmission base is provided with reinforced rib.
6. one combination lifting mechanism according to claim 1, it is characterized in that, trapezoidal screw is at right angle setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420728089.9U CN204281190U (en) | 2014-11-28 | 2014-11-28 | A kind of combination lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420728089.9U CN204281190U (en) | 2014-11-28 | 2014-11-28 | A kind of combination lifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204281190U true CN204281190U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420728089.9U Active CN204281190U (en) | 2014-11-28 | 2014-11-28 | A kind of combination lifting mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN204281190U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104444937A (en) * | 2014-11-28 | 2015-03-25 | 江西洪都航空工业集团有限责任公司 | Combined lifting mechanism |
| CN110539823A (en) * | 2019-07-25 | 2019-12-06 | 武汉科技大学 | Simple trailer for aircraft tail nozzle |
-
2014
- 2014-11-28 CN CN201420728089.9U patent/CN204281190U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104444937A (en) * | 2014-11-28 | 2015-03-25 | 江西洪都航空工业集团有限责任公司 | Combined lifting mechanism |
| CN110539823A (en) * | 2019-07-25 | 2019-12-06 | 武汉科技大学 | Simple trailer for aircraft tail nozzle |
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