CN210763976U - Hoisting equipment with movable arm support fulcrum - Google Patents
Hoisting equipment with movable arm support fulcrum Download PDFInfo
- Publication number
- CN210763976U CN210763976U CN201921322751.XU CN201921322751U CN210763976U CN 210763976 U CN210763976 U CN 210763976U CN 201921322751 U CN201921322751 U CN 201921322751U CN 210763976 U CN210763976 U CN 210763976U
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- cantilever crane
- longitudinal moving
- rotation mechanism
- fulcrum
- arm support
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Abstract
The utility model discloses a mobilizable hoisting equipment of cantilever crane fulcrum relates to the lifting device field, and this hoisting equipment is including relative cantilever crane and the rotation mechanism that sets up, rotation mechanism slides can be followed to the cantilever crane, be provided with a power unit between cantilever crane and the rotation mechanism, power unit's one end and cantilever crane are connected, and the other end is connected with rotation mechanism, power unit is used for promoting the cantilever crane and slides on rotation mechanism, in order to change the position that cantilever crane and rotation mechanism contacted, still be provided with locking mechanical system on the cantilever crane, work as when cantilever crane and rotation mechanism's position is fixed, locking mechanical system locks cantilever crane and rotation mechanism, the cantilever crane only can drive down the gyration at rotation mechanism. The utility model discloses change the position that cantilever crane and rotation mechanism contacted, change the distance between gyration fulcrum and the trolley promptly to change the cantilever crane range, improve the lifting capacity, make the utility model discloses a hoisting equipment has great application range.
Description
Technical Field
The utility model relates to a lifting device field, concretely relates to mobilizable hoisting equipment of cantilever crane fulcrum.
Background
When the traditional jib type crane is used, the jib can perform rotary motion around a rotary fulcrum, the connection part of the jib and the rotary fulcrum is in rotary connection, one end of the jib, which is closer to the rotary fulcrum, is generally provided with a plurality of balancing weights, the other end of the jib is provided with a crane trolley, and the mass of the balancing weights is increased or decreased according to the mass of a heavy object to be lifted when the crane is used.
When the existing cantilever crane is used, the hoisting capacity of the crane is limited and the application range is limited due to the fact that the distance between the rotary fulcrum and the trolley is fixed.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide a mobilizable hoisting equipment of cantilever crane fulcrum can change the distance between gyration fulcrum and the trolley, improves the ability of lifting by crane, and application range is great.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
the utility model provides a mobilizable hoisting equipment of cantilever crane fulcrum, includes relative cantilever crane and the rotation mechanism that sets up, the cantilever crane can slide along rotation mechanism, be provided with a power unit between cantilever crane and the rotation mechanism, power unit's one end and cantilever crane are connected, and the other end is connected with rotation mechanism, power unit is used for promoting the cantilever crane to slide on rotation mechanism, in order to change the position that cantilever crane and rotation mechanism contacted, still be provided with locking mechanical system on the cantilever crane, work as when the position of cantilever crane and rotation mechanism is fixed, locking mechanical system locks cantilever crane and rotation mechanism, the cantilever crane only can drive at rotation mechanism and turn round down.
Furthermore, the locking mechanism comprises a longitudinal moving sliding shoe and a longitudinal moving pore plate, the longitudinal moving pore plate is fixed at the bottom of the arm support, the longitudinal moving sliding shoe is detachably connected with the longitudinal moving pore plate, the longitudinal moving sliding shoe can slide on the longitudinal moving pore plate, and the arm support is connected with the power mechanism through the longitudinal moving sliding shoe.
Furthermore, a plurality of equidistant holes are formed in the longitudinal moving hole plate.
Further, the arm support comprises a lower chord, and the top and the bottom of the lower chord are both track surfaces.
Furthermore, the swing mechanism is connected with the lower chord, an upper sliding plate and a lower sliding plate are arranged at the connection position, and the arm support can slide relative to the upper sliding plate and the lower sliding plate so as to change the connection position with the swing mechanism.
Furthermore, rotating hinges are arranged at the connecting parts of the upper sliding plate, the lower sliding plate and the lower chord.
Furthermore, four upper sliding plates and four lower sliding plates are arranged at the connection part of the swing mechanism and the lower chord.
Furthermore, the power mechanism is a longitudinal moving oil cylinder.
Compared with the prior art, the utility model has the advantages of:
(1) the utility model discloses a mobilizable hoisting equipment of cantilever crane fulcrum, the cantilever crane can slide along rotation mechanism, is provided with power unit between cantilever crane and the rotation mechanism, and power unit is used for promoting the cantilever crane to slide on rotation mechanism to change the position that cantilever crane and rotation mechanism contacted, change the distance between gyration fulcrum and the trolley promptly, with change the cantilever crane range, improve the lifting capacity, make this use neotype hoisting equipment to have great application range; meanwhile, the arm support is also provided with a locking mechanism, when the positions of the arm support and the swing mechanism are fixed, the arm support and the swing mechanism are locked by the locking mechanism, and the arm support can only be driven by the swing mechanism to rotate, so that the safety of the arm support in use is improved.
Drawings
Fig. 1 is a schematic structural view of a hoisting device with a movable boom fulcrum in an embodiment of the present invention.
In the figure: 1-arm support, 2-slewing mechanism, 3-power mechanism, 4-hole, 5-locking mechanism, 6-longitudinal moving sliding shoe, 7-longitudinal moving hole plate, 8-lower chord, 9-upper sliding plate and 10-lower sliding plate.
Detailed Description
The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, the embodiment of the present invention provides a hoisting apparatus with a movable boom fulcrum, including a boom 1 and a swing mechanism 2, which are arranged relatively, the boom 1 can slide along the swing mechanism 2, a power mechanism 3 is arranged between the boom 1 and the swing mechanism 2, one end of the power mechanism 3 is connected to the boom 1, the other end of the power mechanism is connected to the swing mechanism 2, the power mechanism 3 is used to push the boom 1 to slide on the swing mechanism 2 to change the position where the boom 1 contacts the swing mechanism 2, and the power mechanism 3 in this embodiment selects a longitudinal moving cylinder.
The arm support 1 is further provided with a locking mechanism 5, when the positions of the arm support 1 and the swing mechanism 2 are fixed, the arm support 1 and the swing mechanism 2 are locked by the locking mechanism 5, and the arm support 1 can only be driven by the swing mechanism 2 to rotate.
Locking mechanical system 5 is including indulging moving slipper 6 and indulging moving orifice plate 7, indulges moving orifice plate 7 and fixes in the bottom of cantilever crane 1, indulges to be provided with a plurality of equidistance holes 4 on moving orifice plate 7, indulges to move slipper 6 and indulge moving orifice plate 7 and can dismantle and be connected, indulges to move slipper 6 and can slide on indulging moving orifice plate 7, cantilever crane 1 is connected with power unit 3 through indulging moving slipper 6, in the embodiment of the utility model, indulge to move slipper 6 and indulge moving orifice plate 7 through the round pin hub connection, when needs will indulge to move slipper 6 and corresponding hole 4 fixed, insert through the bolt can.
The utility model provides an cantilever crane 1 includes lower chord 8, the top and the bottom of lower chord 8 are the track face, rotation mechanism 2 is connected with lower chord 8, and the junction is provided with top slide 9 and lower slide 10, cantilever crane 1 can be relative top slide 9, lower slide 10 slides, in order to change with rotation mechanism 2's hookup location, top slide 9, lower slide 10 is provided with the rotation hinge with lower chord 8's junction, make top slide 9, lower slide 10 atress is even, top slide 9, the quantity of lower slide 10 can set up according to actual need, in this embodiment, rotation mechanism 2 is provided with four top slides 9 and four lower slides 10 with lower chord 8 junction.
The utility model discloses when using, when the relative position of cantilever crane 1 and rotation mechanism 2 is that the fulcrum need not change, cantilever crane 1 passes through top slide 9, down slide 10 transmission positive pressure and moment of flexure, indulges and moves orifice plate 7 and indulges and move slipper 6 and through the round pin axle locking, indulges and moves slipper 6 and pass through power unit 3 and be connected with rotation mechanism 2, realizes cantilever crane 1's vertical locking, guarantees cantilever crane 1's work safety.
When the position of the pivot needs to be changed, the locking between the arm support 1 and the swing mechanism 2 is released, and the power mechanism 3 performs telescopic motion to push the arm support 1 to move to a new position of the pivot on the swing mechanism 2.
The specific method for changing the position of the fulcrum in this embodiment is as follows: the longitudinal moving oil cylinder performs telescopic action to push the arm support 1 to slide on the upper sliding plate 9 and the lower sliding plate 10, and after one stroke of the longitudinal moving oil cylinder is completed, a pin shaft between the longitudinal moving hole plate 7 and the longitudinal moving sliding shoe 6 is pulled out; and (3) returning the longitudinal moving oil cylinder to the initial position, adjusting the longitudinal moving oil cylinder to enable the longitudinal moving sliding shoe 6 to be matched with the hole 4 on the longitudinal moving hole plate 7, inserting the pin shaft for locking, namely completing the movement of one period of the arm support 1, if the new fulcrum position is not reached, performing the telescopic action again by the longitudinal moving oil cylinder, pushing the arm support 1 to slide again, performing the movement of the next period, and repeating the steps until the new fulcrum position is reached.
The present invention is not limited to the above preferred embodiments, and any person can obtain other products in various forms without departing from the scope of the present invention, but any change in shape or structure is within the scope of protection.
Claims (8)
1. The utility model provides a movable hoisting equipment of cantilever crane fulcrum, includes relative cantilever crane (1) and rotation mechanism (2) that set up, its characterized in that: the cantilever crane is characterized in that the cantilever crane (1) can slide along the rotating mechanism (2), a power mechanism (3) is arranged between the cantilever crane (1) and the rotating mechanism (2), one end of the power mechanism (3) is connected with the cantilever crane (1), the other end of the power mechanism is connected with the rotating mechanism (2), the power mechanism (3) is used for pushing the cantilever crane (1) to slide on the rotating mechanism (2) so as to change the position where the cantilever crane (1) is in contact with the rotating mechanism (2), a locking mechanism (5) is further arranged on the cantilever crane (1), when the cantilever crane (1) is fixed with the rotating mechanism (2), the locking mechanism (5) locks the cantilever crane (1) and the rotating mechanism (2), and the cantilever crane (1) can only rotate under the driving of the rotating mechanism (2).
2. The lifting apparatus with a movable boom fulcrum as claimed in claim 1, wherein: the locking mechanism (5) comprises a longitudinal moving sliding shoe (6) and a longitudinal moving hole plate (7), the longitudinal moving hole plate (7) is fixed at the bottom of the arm support (1), the longitudinal moving sliding shoe (6) is detachably connected with the longitudinal moving hole plate (7), the longitudinal moving sliding shoe (6) can slide on the longitudinal moving hole plate (7), and the arm support (1) is connected with the power mechanism (3) through the longitudinal moving sliding shoe (6).
3. The lifting apparatus with a movable boom fulcrum as claimed in claim 2, wherein: and a plurality of equidistant holes (4) are formed in the longitudinal moving hole plate (7).
4. The lifting apparatus with a movable boom fulcrum as claimed in claim 2, wherein: the arm support (1) comprises a lower chord (8), and the top and the bottom of the lower chord (8) are track surfaces.
5. The lifting apparatus with movable boom fulcrum as claimed in claim 4, wherein: the swing mechanism (2) is connected with the lower chord (8), an upper sliding plate (9) and a lower sliding plate (10) are arranged at the connection position, and the arm support (1) can slide relative to the upper sliding plate (9) and the lower sliding plate (10) so as to change the connection position with the swing mechanism (2).
6. The lifting apparatus with movable boom fulcrum as claimed in claim 5, wherein: and rotary hinges are arranged at the connection parts of the upper sliding plate (9), the lower sliding plate (10) and the lower chord (8).
7. The lifting apparatus with movable boom fulcrum as claimed in claim 5, wherein: four upper sliding plates (9) and four lower sliding plates (10) are arranged at the connection part of the swing mechanism (2) and the lower chord (8).
8. The lifting apparatus with a movable boom fulcrum as claimed in claim 1, wherein: the power mechanism (3) is a longitudinal moving oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921322751.XU CN210763976U (en) | 2019-08-14 | 2019-08-14 | Hoisting equipment with movable arm support fulcrum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921322751.XU CN210763976U (en) | 2019-08-14 | 2019-08-14 | Hoisting equipment with movable arm support fulcrum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210763976U true CN210763976U (en) | 2020-06-16 |
Family
ID=71063513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921322751.XU Active CN210763976U (en) | 2019-08-14 | 2019-08-14 | Hoisting equipment with movable arm support fulcrum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210763976U (en) |
-
2019
- 2019-08-14 CN CN201921322751.XU patent/CN210763976U/en active Active
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