CN216155351U - Lifting type movable cantilever crane - Google Patents
Lifting type movable cantilever crane Download PDFInfo
- Publication number
- CN216155351U CN216155351U CN202122147361.7U CN202122147361U CN216155351U CN 216155351 U CN216155351 U CN 216155351U CN 202122147361 U CN202122147361 U CN 202122147361U CN 216155351 U CN216155351 U CN 216155351U
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- gear reducer
- lifting
- cantilever
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- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 19
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims 5
- 239000007787 solid Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 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
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Abstract
The utility model relates to the technical field of crane devices, and particularly discloses an elevation type mobile cantilever crane.A fixed cylinder is fixedly connected to the top surface of a mobile base, a lifting cylinder is sleeved in the fixed cylinder in a sliding manner along the vertical direction, a rotary driving mechanism is used for driving a cantilever to horizontally rotate along the top end of the lifting cylinder, a worm and gear reducer is fixedly installed at the position, located in the inner cavity of the fixed cylinder, of the top surface of the mobile base, a lead screw is arranged at the power output end of the worm and gear reducer, the lead screw extends along the axis direction of the fixed cylinder, a threaded sleeve is fixedly sleeved at the center of the bottom surface of the lifting cylinder and is in threaded sleeve connection with the lead screw, a power driving mechanism is arranged at the power input end of the worm and gear reducer, a guide mechanism is fixedly connected to the top end of the fixed cylinder, and the guide mechanism is provided with guide wheels for respectively guiding the peripheral sides of the lifting cylinder in an elevation motion; the problem that the maximum lifting height of the cantilever crane cannot be flexibly adjusted is solved.
Description
Technical Field
The utility model relates to the technical field of crane devices, in particular to a lifting type movable cantilever crane.
Background
The cantilever crane is a jib crane in which a fetching device is hung on the end of a jib or on a crane trolley which can run along the jib, and the jib can rotate but cannot pitch. Traditionally, the bottom end of the mast of a jib crane is fixedly mounted on the ground at the work site, and such jib cranes can only operate at a fixed site, with a limited working range. Subsequently, the mobile cantilever crane comes along, the pillar bottom of the cantilever crane is provided with a mobile platform, and the mobile platform is provided with a power traction mechanism and a brake mechanism, so that the cantilever crane can flexibly transfer a working place, and the practicability of the cantilever crane is greatly improved.
However, the maximum lifting height of the above cantilever crane is limited, and it is difficult to meet the requirements of different lifting heights.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a lifting type movable cantilever crane, which is used for solving the problem that the maximum lifting height of the cantilever crane in the prior art cannot be flexibly adjusted.
In order to achieve the purpose, the utility model provides the following technical scheme: the lifting type movable cantilever crane comprises a movable base, a rotary driving mechanism and a cantilever, wherein a fixed cylinder is fixedly connected to the top surface of the movable base, a lifting cylinder is sleeved in the fixed cylinder in a sliding manner along the vertical direction, the rotary driving mechanism is used for driving the cantilever to horizontally rotate along the top end of the lifting cylinder, a worm gear reducer is fixedly mounted at the position, located in the inner cavity of the fixed cylinder, of the top surface of the movable base, a lead screw is arranged at the power output end of the worm gear reducer, the lead screw extends along the axis direction of the fixed cylinder, a threaded sleeve is fixedly sleeved at the center of the bottom surface of the lifting cylinder and is in threaded sleeve connection with the lead screw, a power driving mechanism is arranged at the power input end of the worm gear reducer, and a guide mechanism is fixedly connected to the top end of the fixed cylinder, the guide mechanism is provided with guide wheels for guiding the peripheral sides of the lifting column body in a lifting motion mode respectively.
Preferably, the guiding mechanism still includes direction barrel, connecting plate and support, connecting plate fixed connection in the outer fringe of direction barrel bottom, the connecting plate use the bolt with the top outer fringe fixed connection of fixed barrel, the both sides of direction barrel side central line all around are provided with the support in pairs respectively, the leading wheel rotates to be installed in pairs between the support, the lateral wall corresponds all around of direction barrel the notch has been seted up respectively to the position of leading wheel inner end, the inner end of leading wheel run through behind the notch respectively correspond with the lateral surface rolling friction contact of lift cylinder.
Preferably, the power input end of the worm gear reducer is connected with a motor.
Preferably, the power input end of the worm gear reducer penetrates through the outer wall of the fixed cylinder body and then is fixedly sleeved with a manual turntable.
Preferably, one side of removal base bottom is provided with drive mechanism and arrestment mechanism, the top surface and the bottom surface of removal base bottom outer fringe correspond fixedly connected with upper fixed plate and bottom plate respectively, the outer end position cover that is close to of upper fixed plate and bottom plate is equipped with the pivot, the pivot periphery is rotated and is cup jointed the pendulum rod, the locating pin has been cup jointed along vertical direction screw thread to the outer end of upper fixed plate, the outer end of pendulum rod has cup jointed the threaded rod along vertical direction screw thread, the bottom of threaded rod is rotated and is cup jointed the supporting disk.
Compared with the prior art, the utility model has the beneficial effects that:
the mobile cantilever crane provided by the utility model can realize flexible adjustment of the height of the cantilever through the lifting motion of the lifting column body relative to the fixed cylinder body, so that the maximum lifting height of the crane can be flexibly set.
Drawings
FIG. 1 is a schematic overall front view of the present invention;
FIG. 2 is a schematic top view of the guiding mechanism of the present invention;
fig. 3 is a front view of the thread bushing of the present invention.
In the figure: 1-moving the base; 11-a traction mechanism; 12-a braking mechanism; 13-upper fixing plate; 14-lower fixed plate; 15-a rotating shaft; 16-a swing rod; 17-a threaded rod; 18-a support disk; 19-a locating pin; 2-fixing the cylinder; 3-a guiding mechanism; 31-a guide cylinder; 32-a connecting plate; 33-a support; 34-a guide wheel; 4-a lifting column; 41-thread bush; 5-a rotation driving mechanism; 6-cantilever; 7-worm gear reducer; 71-a screw rod; 72-Manual dial.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a lifting type movable cantilever crane comprises a movable base 1, the rotary driving mechanism 5 and the cantilever 6, the top surface of the moving base 1 is fixedly connected with the fixed cylinder 2, the lifting cylinder 4 is sleeved in the fixed cylinder 2 in a sliding mode along the vertical direction, the rotary driving mechanism 5 is used for driving the cantilever 6 to perform horizontal rotary motion along the top end of the lifting cylinder 4, the position, located in the inner cavity of the fixed cylinder 2, of the top surface of the moving base 1 is fixedly provided with the worm and gear reducer 7, the power output end of the worm and gear reducer 7 is provided with a lead screw 71, the lead screw 71 extends along the axis direction of the fixed cylinder 2, the center of the bottom surface of the lifting cylinder 4 is fixedly sleeved with a threaded sleeve 41, the threaded sleeve 41 is in threaded sleeve connection with the lead screw 71, the power input end of the worm and gear reducer 7 is provided with the power driving mechanism, the top end of the fixed cylinder 2 is fixedly connected with the guide mechanism 3, and the guide mechanism 3 is provided with guide wheels 34 for respectively guiding the lifting motion of the peripheral sides of the lifting cylinder 4.
In this embodiment, guiding mechanism 3 still includes direction barrel 31, connecting plate 32 and support 33, connecting plate 32 fixed connection is in the outer fringe of direction barrel 31 bottom, connecting plate 32 uses the top outer fringe fixed connection of bolt and fixed barrel 2, the both sides of the side central line all around of direction barrel 31 are provided with support 33 in pairs respectively, leading wheel 34 rotates and installs between mated support 33, the notch has been seted up respectively to the position that the lateral wall corresponds leading wheel 34 inner all around of direction barrel 31, the inner end of leading wheel 34 runs through and corresponds respectively behind the notch with the lateral surface rolling friction contact of lift cylinder 4.
In this embodiment, the power input end of the worm gear reducer 7 is connected to a motor.
In this embodiment, the power input end of the worm gear reducer 7 penetrates through the outer wall of the fixed cylinder 2 and then is fixedly sleeved with the manual turntable 72.
In this embodiment, one side of moving base 1 bottom is provided with drive mechanism 11 and arrestment mechanism 12, the top surface and the bottom surface of moving base 1 bottom outer fringe correspond fixedly connected with upper fixed plate 13 and bottom plate 14 respectively, the position cover that is close to the outer end of upper fixed plate 13 and bottom plate 14 is equipped with pivot 15, pivot 15 periphery is rotated and is cup jointed pendulum rod 16, the outer end of upper fixed plate 13 has cup jointed locating pin 19 along vertical direction screw thread, the outer end of pendulum rod 16 has cup jointed threaded rod 17 along vertical direction screw thread, the bottom of threaded rod 17 is rotated and is cup jointed supporting disk 18.
The working principle is as follows: when the device is used, the traction mechanism 11 enables the mobile base 1 to flexibly move to a working place, and the brake mechanism 12 positions the mobile base 1; rotating the swing rod 16 relative to the rotating shaft 15 to enable the swing rod 16 to be unfolded, and enabling the supporting plate 18 to be supported on the ground through rotating the threaded rod 17 to complete the position fixing process of the crane; the worm gear reducer 7 drives the screw rod 71 to rotate by driving the motor or manually driving the turntable 72, and the rotating screw rod 71 drives the lifting column 4 to slide up and down in the fixed cylinder 2 through the threaded sleeve 41; when the lifting column body 4 moves up and down, the lifting column body 4 is guided by the guide wheel 34, so that the lifting column body 4 can stably move up and down; the rotary driving mechanism 5 is used for driving the cantilever 6 to perform horizontal rotary motion along the top end of the lifting column 4.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 (5)
1. The lifting type movable cantilever crane comprises a movable base (1), a rotary driving mechanism (5) and a cantilever (6), and is characterized in that the top surface of the movable base (1) is fixedly connected with a fixed cylinder (2), a lifting cylinder (4) is sleeved in the fixed cylinder (2) in a sliding manner along the vertical direction, the rotary driving mechanism (5) is used for driving the cantilever (6) to horizontally rotate along the top end of the lifting cylinder (4), a worm gear reducer (7) is fixedly installed at the position, located in the inner cavity of the fixed cylinder (2), of the top surface of the movable base (1), a screw rod (71) is arranged at the power output end of the worm gear reducer (7), the screw rod (71) extends along the axis direction of the fixed cylinder (2), a threaded sleeve (41) is fixedly sleeved at the center of the bottom surface of the lifting cylinder (4), thread bush (41) with lead screw (71) threaded sleeve connects, the power input end of worm gear reduction gear (7) is provided with power drive mechanism, the top fixedly connected with guiding mechanism (3) of solid fixed cylinder body (2), guiding mechanism (3) are provided with right lifting cylinder body (4) side all around carries out leading wheel (34) of elevating movement direction respectively.
2. The elevating mobile jib crane of claim 1 wherein: guiding mechanism (3) still include direction barrel (31), connecting plate (32) and support (33), connecting plate (32) fixed connection in the outer fringe of direction barrel (31) bottom, connecting plate (32) use the bolt with the top outer fringe fixed connection of fixed barrel (2), the both sides of direction barrel (31) side central line are provided with support (33) in pairs respectively all around, leading wheel (34) rotate install in pairs between support (33), direction barrel (31) lateral wall corresponds all around the notch has been seted up respectively to the position of leading wheel (34) inner end, the inner end of leading wheel (34) run through behind the notch respectively correspond with the lateral surface rolling friction contact of lift cylinder (4).
3. The elevating mobile jib crane of claim 1 wherein: and the power input end of the worm gear reducer (7) is connected with a motor.
4. The elevating mobile jib crane of claim 1 wherein: the power input end of the worm gear reducer (7) penetrates through the outer wall of the fixed cylinder body (2) and then is fixedly sleeved with a manual rotating disc (72).
5. The elevating mobile jib crane of any of claims 1-4, wherein: one side of removing base (1) bottom is provided with drive mechanism (11) and arrestment mechanism (12), the top surface and the bottom surface of removing base (1) bottom outer fringe correspond fixedly connected with upper fixed plate (13) and bottom plate (14) respectively, the position cover that is close to the outer end of upper fixed plate (13) and bottom plate (14) is equipped with pivot (15), pivot (15) periphery is rotated and is cup jointed pendulum rod (16), locating pin (19) have been cup jointed along vertical direction screw thread to the outer end of upper fixed plate (13), threaded rod (17) have been cup jointed along vertical direction screw thread to the outer end of pendulum rod (16), supporting disk (18) have been cup jointed in the bottom rotation of threaded rod (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122147361.7U CN216155351U (en) | 2021-09-07 | 2021-09-07 | Lifting type movable cantilever crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122147361.7U CN216155351U (en) | 2021-09-07 | 2021-09-07 | Lifting type movable cantilever crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216155351U true CN216155351U (en) | 2022-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122147361.7U Active CN216155351U (en) | 2021-09-07 | 2021-09-07 | Lifting type movable cantilever crane |
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| CN (1) | CN216155351U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291203A (en) * | 2021-11-27 | 2022-04-08 | 宜昌测试技术研究所 | Mast lifting guide device |
-
2021
- 2021-09-07 CN CN202122147361.7U patent/CN216155351U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291203A (en) * | 2021-11-27 | 2022-04-08 | 宜昌测试技术研究所 | Mast lifting guide device |
| CN114291203B (en) * | 2021-11-27 | 2024-04-09 | 宜昌测试技术研究所 | Mast lifting guide device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Lifting mobile jib crane Effective date of registration: 20220818 Granted publication date: 20220401 Pledgee: Huishang Bank Co.,Ltd. Hefei Xiyou road sub branch Pledgor: HEFEI KIWI HEAVY MACHINERY Co.,Ltd. Registration number: Y2022980013042 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220401 Pledgee: Huishang Bank Co.,Ltd. Hefei Xiyou road sub branch Pledgor: HEFEI KIWI HEAVY MACHINERY Co.,Ltd. Registration number: Y2022980013042 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |