CN220011925U - Cantilever crane locking device - Google Patents
Cantilever crane locking device Download PDFInfo
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- CN220011925U CN220011925U CN202321250309.7U CN202321250309U CN220011925U CN 220011925 U CN220011925 U CN 220011925U CN 202321250309 U CN202321250309 U CN 202321250309U CN 220011925 U CN220011925 U CN 220011925U
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- 230000002452 interceptive effect Effects 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a cantilever crane locking device, which relates to the technical field of cantilever cranes and comprises a stand column, a rotary driving mechanism, a cantilever, a slip ring brush holder, an electric hoist, a sliding wire support and a cantilever crane locking structure; the cantilever crane locking structure comprises a first locking plate, a second locking plate, a third locking plate, a locking rod and a manual operating rod; the cantilever crane locking structure provided by the utility model can lock the electric hoist and the cantilever when the radial arm crane is not in use, and prevent movement and rotation from interfering with other equipment to scrape; the utility model has simple structure, convenient and quick operation and high safety, and can be operated by people standing under the upright post.
Description
Technical Field
The utility model relates to the technical field of cantilever cranes, in particular to a cantilever crane locking device.
Background
The radial arm crane is arranged on movable equipment, and when the radial arm crane is not used, the electric hoist and the radial arm are required to be locked, so that the electric hoist and the radial arm are prevented from being in interference with other equipment to scrape when the equipment works.
The application number is CN201920859419.0, and because the cantilever crane does not have a locking structure, the cantilever crane can also rotate when not working, can interfere with other equipment and collide, and then can cause damage.
Disclosure of Invention
The utility model aims to provide a cantilever crane locking device, which solves the problem that the cantilever crane proposed in the prior art can interfere with other equipment to scrape when not being locked.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the cantilever crane locking device comprises a stand column, wherein a rotary driving mechanism is arranged at the top end of the stand column, the rotary driving mechanism is connected with a cantilever which is horizontally arranged, the bottom end of the rotary driving mechanism is inserted into the stand column, and electricity taking operation is performed through a slip ring brush frame which is arranged in the stand column; the cantilever is provided with an electric hoist and a trolley wire bracket; and a cantilever crane locking structure is arranged between the cantilever and the upright post.
Further, the upright post is a hollow cylinder and is provided with a connecting flange at the bottom end, the connecting flange is fixed on the ground through a plurality of bolts, a plurality of reinforcing upright plates are arranged between the outer side surface of the upright post and the connecting flange, and the reinforcing upright plates are arranged between the two bolts; the top of the upright post is provided with an upright post top plate and is provided with a rotation driving mechanism.
Further, the rotary driving mechanism comprises a rotary inner cylinder fixedly arranged on the top surface of the upright post top plate and a rotary outer cylinder coaxially arranged outside the rotary inner cylinder, the rotary inner cylinder and the rotary outer cylinder are equal in height and higher than the rotary outer cylinder, and a plurality of bearing balls are embedded between the rotary inner cylinder and the rotary outer cylinder; a rotary top plate is arranged on the top surface of the rotary outer cylinder, a rotary motor is arranged in the center of the top surface, a shaft rod of the rotary motor penetrates through the rotary top plate and the upright post top plate to enter the upright post, a slip ring is sleeved at the bottom end of the rotary outer cylinder, and the slip ring is in contact with the slip ring brush frame; and a cantilever is fixedly connected to the top surface of the rotary top plate.
Further, the slip ring brush holder comprises a mounting flat plate fixedly connected with the inner wall of the upright post and extending to the axis side, a slip ring brush is arranged on the top surface of the mounting flat plate, and the slip ring brush is in contact with the slip ring.
Preferably, the cantilever rotates by three hundred sixty degrees by taking the slewing drive mechanism as an axis; the cantilever is made of I-steel, an electric hoist capable of moving along the axial direction of the cantilever is arranged at a horizontal plate at the lower part of the cantilever, a plurality of trolley wire brackets are uniformly arranged on the top surface of the cantilever along the axial direction of the cantilever, and trolley wires are arranged on the cantilever.
Preferably, the electric hoist is a loop chain electric hoist with the specification of two tons and is connected with a manual operator; the rear side of the electric hoist is provided with a conductive wire frame and is contacted with the sliding contact wire.
Further, cantilever crane locking structure includes the first locking plate that the outside rigid coupling of stand roof set up and be in rotatory roof outside rigid coupling and synchronous pivoted second locking plate, be provided with the third locking plate on the electric block, the round hole that the diameter is the same and can coaxial is all offered to first locking plate, second locking plate and third locking plate and run through and be provided with the locking lever of activity from top to bottom, the bottom rigid coupling of locking lever has manual control lever and is provided with the handle in its bottom, manual control lever is in the top of handle is provided with two rigid couplings and is in the stopper on the outer wall of stand to the department cover is provided with reset spring in the centre, reset spring's top with manual control lever fixed connection.
Compared with the prior art, the utility model has the beneficial effects that:
the cantilever crane locking structure provided by the utility model can lock the electric hoist and the cantilever when the radial arm crane is not in use, and prevent movement and rotation from interfering with other equipment to scrape; the utility model has simple structure, convenient and quick operation and high safety, and can be operated by people standing under the upright post.
Drawings
FIG. 1 is a schematic diagram of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a cross-sectional view of A-A of FIG. 2;
FIG. 4 is a cross-sectional view of B-B in FIG. 2;
FIG. 5 is an enlarged view of C in FIG. 2;
FIG. 6 is an enlarged view of D of FIG. 2;
FIG. 7 is an enlarged view of E in FIG. 2;
in the figure: the device comprises a column-1, a connecting flange-11, a reinforcing vertical plate-12, a column top plate-13, a rotary driving mechanism-2, a rotary inner cylinder-21, a bearing ball-22, a rotary outer cylinder-23, a rotary top plate-24, a rotary motor-25, a slip ring-26, a cantilever-3, a slip ring brush holder-4, a mounting plate-41, a slip ring brush-42, an electric hoist-5, an operator-51, a conductive wire holder-52, a trolley wire bracket-6, a cantilever crane locking structure-7, a first locking plate-71, a second locking plate-72, a third locking plate-73, a locking rod-74, a manual operating rod-75, a handle-76, a limiting block-77 and a return spring-78.
Detailed Description
In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-7, fig. 1 is a schematic diagram of the present utility model; FIG. 2 is a schematic diagram of the structure of the present utility model; FIG. 3 is a cross-sectional view of A-A of FIG. 2; FIG. 4 is a cross-sectional view of B-B in FIG. 2; FIG. 5 is an enlarged view of C in FIG. 2; FIG. 6 is an enlarged view of D of FIG. 2; fig. 7 is an enlarged view of E in fig. 2.
The utility model provides a cantilever crane locking device which is used for locking an electric hoist and a radial arm of a radial arm crane which are not used, so as to prevent the rotary movement of the electric hoist and the radial arm from interfering with other equipment when the equipment works; the device comprises an upright post 1 vertically arranged on the ground, wherein the top end of the upright post 1 is provided with a rotary driving mechanism 2, the rotary driving mechanism 2 is connected with a cantilever 3 horizontally arranged, and the cantilever 3 can rotate by three hundred sixty degrees by taking the rotary driving mechanism 2 as an axis; the bottom end of the rotary driving mechanism 2 is inserted into the upright 1, and electricity taking operation is performed through a slip ring brush holder 4 arranged in the upright 1; the cantilever 3 is provided with an electric hoist 5 and a trolley wire bracket 6, and the electric hoist 5 is powered by the trolley wire bracket 6; and a cantilever crane locking structure 7 is further arranged between the cantilever 3 and the upright post 1 and used for locking the cantilever 3 and the electric hoist 5.
The upright 1 is in a hollow cylindrical shape, and a connecting flange 11 is arranged at the bottom end, and the connecting flange 11 is fixed on the ground through a plurality of bolts, so that the upright 1 is vertically fixed for use; a plurality of reinforcing vertical plates 12 are arranged between the outer side surface of the upright 1 and the connecting flange 11, and the reinforcing vertical plates 12 are arranged between two bolts; the top end of the upright 1 is provided with an upright top plate 13, and a rotary driving mechanism 2 is installed.
The rotary driving mechanism 2 comprises a rotary inner cylinder 21 fixedly arranged on the top surface of the upright post top plate 13, a plurality of bearing balls 22 are arranged on the upper portion of the outer wall of the rotary inner cylinder 21 in an embedded mode, a rotary outer cylinder 23 with equal height and coaxial with the rotary inner cylinder 21 is arranged on the outer side of the rotary inner cylinder 21, grooves are formed in the lower portion of the inner wall of the rotary outer cylinder 23 and are matched with the plurality of bearing balls 22, the rotary outer cylinder 23 can rotate in an unobstructed mode through the plurality of bearing balls 22, a rotary top plate 24 is arranged on the top surface of the rotary outer cylinder 23, a rotary motor 25 is arranged in the center of the top surface of the rotary top plate 24, a shaft rod of the rotary motor 25 penetrates through the rotary top plate 24 and the upright post top plate 13 to enter the upright post 1, a sliding ring 26 is arranged at the bottom end in a sleeved mode, and the sliding ring 26 is in contact with the sliding ring brush frame 4 for electricity taking use.
The slip ring brush holder 4 comprises a mounting flat plate 41 fixedly connected with the inner wall of the upright column 1 and extending to the axis side, a slip ring brush 42 is arranged on the top surface of the mounting flat plate 41, and the slip ring brush 42 is in contact with the slip ring 26 for conducting electricity.
The top surface of the rotary top plate 24 is fixedly connected with a cantilever 3, the cantilever 3 is made of I-steel, an electric hoist 5 capable of moving along the axial direction of the cantilever is arranged at a horizontal plate at the lower part of the cantilever, and a plurality of trolley wire brackets 6 are uniformly arranged on the top surface of the cantilever 3 along the axial direction of the cantilever and used for installing trolley wires so as to supply power for the electric hoist 5.
The electric hoist 5 is a loop chain electric hoist with the specification of two tons, and is connected with a manual operator 51, and the action of the electric hoist 5 can be controlled by the manual operator 51; the rear side of the electric hoist 5 is also provided with a conductive wire frame 52, and the conductive wire frame 52 is in contact with a sliding contact wire and is used for supplying power to the electric hoist 5.
The cantilever crane locking installation 7 comprises a first locking plate 71 fixedly connected with the outer side of the upright post top plate 13 and a second locking plate 72 fixedly connected with the outer side of the rotary top plate 24 and synchronously rotating, a third locking plate 73 is arranged on the electric hoist 5, circular holes which are identical in diameter and can be coaxial are formed in the first locking plate 71, the second locking plate 72 and the third locking plate 73, a locking rod 74 capable of moving up and down is arranged in the circular holes in a penetrating mode, a manual operating rod 75 is fixedly connected to the bottom end of the locking rod 74, a handle 76 is arranged at the bottom end of the manual operating rod 75, two limiting blocks 77 are arranged above the handle 76, the two limiting blocks 77 are fixedly connected to the outer wall of the upright post 1, a reset spring 78 is sleeved on the manual operating rod 75 between the two limiting blocks 77, and the top end of the reset spring 78 is fixedly connected with the manual operating rod 75, and when the cantilever 3 needs to be locked, the cantilever crane 3 can be locked by only controlling the locking rod 74 to penetrate the first locking plate 71, the second locking plate 72 and the third locking plate 73 and the electric hoist 5.
The cantilever crane locking structure provided by the utility model can lock the electric hoist and the cantilever when the radial arm crane is not in use, and prevent movement and rotation from interfering with other equipment to scrape; the utility model has simple structure, convenient and quick operation and high safety, and can be operated by people standing under the upright post.
While embodiments of the utility model have been illustrated and described, it will be apparent that the embodiments described are merely some, but not all embodiments of the utility model. Based on the embodiments of the present utility model, it will be understood by those skilled in the art that all other embodiments which may be obtained from numerous changes, modifications, substitutions and alterations of these embodiments without departing from the spirit and principles of the present utility model are within the scope of the present utility model.
Claims (7)
1. A cantilever crane locking device, characterized in that: the power supply device comprises a stand column (1) and a rotary driving mechanism (2) arranged at the top end of the stand column, wherein the rotary driving mechanism (2) is connected with a cantilever (3) horizontally arranged, and the bottom end of the rotary driving mechanism (2) is inserted into the stand column (1) and performs power supply operation through a slip ring brush holder (4) arranged in the stand column (1); an electric hoist (5) and a trolley wire bracket (6) are arranged on the cantilever (3); a cantilever crane locking structure (7) is arranged between the cantilever (3) and the upright post (1).
2. The cantilever crane locking arrangement according to claim 1, wherein: the upright post (1) is a hollow cylinder and is provided with a connecting flange (11) at the bottom end, the connecting flange (11) is fixed on the ground through a plurality of bolts, a plurality of reinforcing vertical plates (12) are arranged between the outer side surface of the upright post (1) and the connecting flange (11), and the reinforcing vertical plates (12) are arranged between the two bolts; the top end of the upright post (1) is provided with an upright post top plate (13) and is provided with a rotary driving mechanism (2).
3. The cantilever crane locking arrangement according to claim 2, wherein: the rotary driving mechanism (2) comprises a rotary inner cylinder (21) fixedly arranged on the top surface of the upright post top plate (13) and a rotary outer cylinder (23) coaxially arranged outside the rotary inner cylinder, the rotary inner cylinder (21) and the rotary outer cylinder (23) are equal in height and are higher than the rotary outer cylinder (23), and a plurality of bearing balls (22) are embedded between the rotary inner cylinder (21) and the rotary outer cylinder (23); a rotary top plate (24) is arranged on the top surface of the rotary outer cylinder (23), a rotary motor (25) is arranged in the center of the top surface, a shaft rod of the rotary motor (25) penetrates through the rotary top plate (24) and the upright post top plate (13) to enter the upright post (1), a slip ring (26) is sleeved at the bottom end of the rotary outer cylinder, and the slip ring (26) is in contact with the slip ring brush holder (4); the top surface of the rotary top plate (24) is fixedly connected with a cantilever (3).
4. A cantilever crane locking arrangement according to claim 3, wherein: the slip ring brush holder (4) comprises a mounting flat plate (41) fixedly connected with the inner wall of the upright post (1) and extending to the axis side, a slip ring brush (42) is arranged on the top surface of the mounting flat plate (41), and the slip ring brush (42) is in contact with the slip ring (26).
5. The cantilever crane locking arrangement according to claim 4, wherein: the cantilever (3) rotates by three hundred sixty degrees by taking the rotary driving mechanism (2) as an axis; the cantilever (3) is made of I-steel, an electric hoist (5) capable of moving along the axial direction of the cantilever is arranged at a horizontal plate at the lower part of the cantilever, and a plurality of trolley wire brackets (6) are uniformly arranged on the top surface of the cantilever (3) along the axial direction of the cantilever, and trolley wires are arranged on the cantilever.
6. The cantilever crane locking arrangement according to claim 5, wherein: the electric hoist (5) is a loop chain electric hoist with the specification of two tons and is connected with a manual operator (51); the rear side of the electric hoist (5) is provided with a conductive wire frame (52) and is contacted with the sliding contact wire.
7. The cantilever crane locking arrangement according to claim 6, wherein: the cantilever crane locking structure (7) comprises a first locking plate (71) fixedly connected with the outer side of a vertical column top plate (13) and a second locking plate (72) fixedly connected with the outer side of a rotary top plate (24) and synchronously rotating, a third locking plate (73) is arranged on an electric hoist (5), circular holes which are identical in diameter and can be coaxial are formed in the first locking plate (71), the second locking plate (72) and the third locking plate (73) and penetrate through locking rods (74) which are arranged in a vertically movable mode, a manual operating rod (75) is fixedly connected to the bottom end of the locking rods (74), a handle (76) is arranged at the bottom end of the manual operating rod, two limiting blocks (77) fixedly connected to the outer wall of the vertical column (1) are arranged above the handle (76), a reset spring (78) is sleeved in the middle of the limiting blocks, and the top ends of the reset springs (78) are fixedly connected with the manual operating rod (75).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321250309.7U CN220011925U (en) | 2023-05-23 | 2023-05-23 | Cantilever crane locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321250309.7U CN220011925U (en) | 2023-05-23 | 2023-05-23 | Cantilever crane locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220011925U true CN220011925U (en) | 2023-11-14 |
Family
ID=88695159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321250309.7U Active CN220011925U (en) | 2023-05-23 | 2023-05-23 | Cantilever crane locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220011925U (en) |
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2023
- 2023-05-23 CN CN202321250309.7U patent/CN220011925U/en active Active
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