CN113401818A - Super-lifting pulley bracket device, arm support and crane - Google Patents
Super-lifting pulley bracket device, arm support and crane Download PDFInfo
- Publication number
- CN113401818A CN113401818A CN202110872212.9A CN202110872212A CN113401818A CN 113401818 A CN113401818 A CN 113401818A CN 202110872212 A CN202110872212 A CN 202110872212A CN 113401818 A CN113401818 A CN 113401818A
- Authority
- CN
- China
- Prior art keywords
- bracket
- super
- limiting piece
- pulley
- arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/03—Cranes with arms or jibs; Multiple cranes
- B66C2700/0392—Movement of the crane arm; Coupling of the crane arm with the counterweights; Safety devices for the movement of the arm
Abstract
The invention provides a super-lifting pulley bracket device, an arm support and a crane, wherein the super-lifting pulley bracket device comprises a fixing device, a bracket, a first limiting piece, a second limiting piece and a third limiting piece, and the fixing device is suitable for being arranged on a super-lifting arm; the bracket is rotationally connected with the fixing device, the first limiting piece is arranged on the bracket, the second limiting piece is suitable for being arranged on the crane boom, and the third limiting piece is arranged on the fixing device; when the super-lift arm is in a folding state, the first limiting piece and the second limiting piece are in contact or are arranged in a clearance mode, and the bracket is in contact with the third limiting piece so that the bracket keeps balance under the dead weight; when the super-lift arm is used for lifting, the bracket is separated from the third limiting part, and the first limiting part and the second limiting part are suitable for contacting so that the bracket is supported on the lift arm.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a super-lift pulley bracket device, an arm support and a crane.
Background
At present, the crane is provided with the super-lifting device which comprises a super-lifting arm and a super-lifting pulley bracket, wherein during use, the super-lifting arm needs to rotate around a hinged point of the super-lifting arm and a crane boom to lift the super-lifting pulley bracket, and then the pulley can be lifted away from the super-lifting pulley bracket. In the process of the super lifting arm starting, the super lifting pulley bracket cannot rotate together with the super lifting arm, otherwise, the pulleys can rotate together, so that the pulleys cannot be bracket or fall off from the bracket directly, and accidents are caused. At present, the bracket is required to be transferred to the crane boom to be fixed before the super crane boom is lifted, so that the position of the bracket and the crane boom is not moved in the super crane boom lifting process. However, the process of transferring the bracket to the boom for fixing is complicated, and the installation efficiency is low.
Disclosure of Invention
The invention solves the problem of how to eliminate the step of transferring a bracket to a crane arm for fixing when the crane arm is over to start to improve the installation efficiency.
In order to solve the above problems, the present invention provides a super lift pulley bracket device, which includes a fixing device, a bracket, a first limiting member, a second limiting member, and a third limiting member, wherein the fixing device is adapted to be disposed on a super lift arm; the bracket is rotationally connected with the fixing device, the first limiting piece is arranged on the bracket, the second limiting piece is suitable for being arranged on the crane boom, and the third limiting piece is arranged on the fixing device;
when the super-lift arm is in a folding state, the first limiting piece and the second limiting piece are in contact or are arranged in a clearance mode, and the bracket is in contact with the third limiting piece so that the bracket keeps balance under the dead weight;
when the super-lift arm is in a lifting state, the bracket is separated from the third limiting piece, and the first limiting piece and the second limiting piece are suitable for being in contact so that the bracket is supported on the lift arm.
Optionally, the first limiting member includes a first plate, and the first plate is connected to the bracket; the second limiting part comprises a second plate, the second plate is suitable for being connected with the crane arm, and the first plate is suitable for being supported on the second plate when the crane arm is started.
Optionally, the super-lift pulley bracket device further comprises a first fastener, the fixing device is provided with a mounting groove and a first hole structure, the first hole structure is communicated with the mounting groove, the bracket is provided with a second hole structure, a part of the bracket is suitable for extending into the mounting groove, and the first fastener is suitable for penetrating through the first hole structure and the second hole structure to connect the bracket and the fixing device.
Optionally, the bracket includes a first connecting portion and a second connecting portion that are connected to each other, the first connecting portion is provided with the second hole structure, the first connecting portion is adapted to extend into the mounting groove, the second connecting portion is provided with the first limiting member, and when the super-lift arm is in the super-lift state, the fixing device and the second connecting portion are in contact with each other at a side end that deviates from the cargo boom or are in a gap arrangement.
Optionally, the third limiting member is disposed in the mounting groove, the third limiting member is located on a rotation path of the first connecting portion, and the third limiting member is adapted to abut against the first connecting portion.
Optionally, the second connecting portion includes a first body, a second body and a third body, the first body is connected to the first connecting portion, the second body and the second body are disposed on the first body at intervals, the first body is provided with a first clamping groove, the second body is provided with a second clamping groove, and the first clamping groove and the second clamping groove are suitable for supporting a pulley assembly, so that the pulley assembly is located between the first body and the second body.
Optionally, the super-lift pulley bracket device further comprises a second fastener, a third hole structure is arranged on the bracket, the second fastener is suitable for being arranged in the third hole structure in a penetrating mode, and the second fastener is suitable for being connected with the pulley assembly.
The invention also provides an arm support which comprises the super-lift pulley bracket device.
Optionally, the boom further comprises a super lift arm and a boom, the super lift arm is rotatably connected with the boom, the fixing device of the super lift pulley bracket device is arranged on the super lift arm, and the bracket of the super lift pulley bracket device and the rotation axis of the fixing device are coaxially arranged with the rotation axes of the super lift arm and the boom.
The invention also provides a crane, which comprises the super-lift pulley bracket device and/or the arm support.
Compared with the prior art, the invention has the beneficial effects that:
the fixing device is arranged on the super lifting arm; the bracket is rotationally connected with the fixing device, and the first limiting piece is arranged on the bracket, the second limiting piece is suitable for being arranged on the crane boom, and the third limiting piece is arranged on the bracket; therefore, when the super-lift arm is in a folding state, the first limiting piece and the second limiting piece are in contact or are arranged in a clearance mode, and the bracket is in contact with the third limiting piece so that the bracket keeps balance under the dead weight; compared with the prior art, in the process of amplitude rising of the super-lift arm, the bracket assembly does not need to be dismounted from the super-lift arm and transferred to the crane arm for fixing, the relative position of the bracket and the crane arm is always kept unchanged, and the mounting efficiency is improved.
Drawings
FIG. 1 is an exploded view of one embodiment of the superlift pulley carrier assembly of the present invention;
FIG. 2 is a schematic structural view of a connection portion of the fixing device and the super lift arm according to the present invention;
FIG. 3 is a schematic view of an alternative embodiment of the bracket of the present invention;
FIG. 4 is an assembled schematic view of one embodiment of the carriage and sheave assembly of the present invention;
FIG. 5 is an assembly view of one embodiment of a second stop and a boom of the present invention;
FIG. 6 is a schematic view of the position of the super lift arm in the stored position with the lift arm and super lift pulley carriage assembly of the present invention;
fig. 7 is a schematic view of the position of the super lift arm in the super lift state with the lift arm and super lift sheave bracket assembly of the present invention.
Description of reference numerals:
1. a fixing device; 11. mounting grooves; 2. a bracket; 21. a first connection portion; 211. a second pore structure; 22. a second connecting portion; 221. a first body; 222. a second body; 2221. a third aperture arrangement; 2222. a first card slot; 223. a third body; 2231. a second card slot; 3. a first limit piece; 4. a second limiting member; 5. a third limiting member; 6. a first fastener; 7. a second fastener; 8. a sheave assembly; 81. a movable pulley; 82. a wheel carrier; 83. a connecting shaft; 9. a cargo boom; 10. and a superlift arm.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
The Z-axis in the drawings indicates a vertical direction, i.e., an up-down position, and a forward direction of the Z-axis (i.e., an arrow direction of the Z-axis) indicates an upward direction and a reverse direction of the Z-axis indicates a downward direction; the X-axis in the drawing represents the horizontal direction and is designated as the left-right position, and the forward direction of the X-axis represents the right side and the reverse direction of the X-axis represents the left side; the Y-axis in the drawings is represented as a front-rear position, and a forward direction of the Y-axis represents a rear side and a reverse direction of the Y-axis represents a front side; it should also be noted that the foregoing Z-axis, Y-axis, and X-axis representations are merely intended to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
In the description of the present invention, it should be noted that terms such as "upper", "lower", "front", "rear", and the like in the embodiments indicate orientation words, which are used for simplifying the description of positional relationships based on the drawings of the specification, and do not represent that elements, devices, and the like which are referred to must operate according to specific orientations and defined operations and methods, configurations in the specification, and such orientation terms do not constitute limitations of the present invention.
As shown in fig. 1 and 2, an embodiment of the present invention provides a super lift pulley bracket device, including a fixing device 1, a bracket 2, a first limiting member 3, a second limiting member 4, and a third limiting member 5, where the fixing device 1 is adapted to be disposed on a super lift arm 10; the bracket 2 is rotatably connected with the fixing device 1, the first limiting part 3 is arranged on the bracket 2, the second limiting part 4 is suitable for being arranged on the crane boom 9, and the third limiting part 5 is arranged on the fixing device 1; when the super-lift arm 10 is in a retractable state, the first limiting piece 3 and the second limiting piece 4 are in contact or are arranged in a gap mode, and the bracket 2 is in contact with the third limiting piece 5 so that the bracket 2 keeps balance under self weight; when the super lift arm 10 is lifted, the bracket 2 is separated from the third limiting member 5, and the first limiting member 3 and the second limiting member 4 are adapted to contact with each other so that the bracket 2 is supported on the lift arm 9.
In this embodiment, the bracket 2 is pivotally connected to the fixture 1 by a pin (described in detail below), and as shown in fig. 2, the pivot axes of the bracket 2 and fixture 1 are adapted to be coaxial with the pivot axes of the jib 10 and boom 9, so that when the jib 10 pivots relative to the boom 9, the fixture 1 and bracket 2 pivot coaxially, thereby not interfering with the pivoting of the jib 10. The state in which the superlift arm 10 is in the stored state means a state in which the superlift arm 10 is not in operation, that is, a state in which the superlift arm 10 is supported in parallel on the boom 9. After the super-lift pulley bracket device of the embodiment is adopted, the fixing device 1 is arranged on the super-lift arm 10; the bracket 2 is rotatably connected with the fixing device 1, and the first limiting piece 3 is arranged on the bracket 2, the second limiting piece 4 is suitable for being arranged on the crane boom 9, and the third limiting piece 5 is arranged on the bracket 2; therefore, when the super-lift arm 10 is in a folding state, the first limiting piece 3 and the second limiting piece 4 are in contact or are arranged in a clearance mode, and the bracket 2 is in contact with the third limiting piece 5 so that the bracket keeps balance under the dead weight; when the super lift arm 10 is used for lifting, the bracket 2 is separated from the third limiting part 5, and the first limiting part 3 and the second limiting part 4 are suitable for being in contact so that the bracket 2 is supported on the crane boom 9.
As shown in fig. 1 and 4, the first limiting member 3 includes a first plate member, and the first plate member is connected to the bracket 2; the second stop 4 comprises a second plate adapted to be connected to the jib 9, on which the first plate is adapted to be supported when the jib 10 is being raised.
In the present embodiment, the super-lift pulley bracket device is generally located on the upper side of the boom 9, so the first plate member is provided on the side end surface of the bracket 2 facing the boom 9, and may be welded, bolted, or the like. The second plate is arranged above the crane boom 9, and can also adopt welding, bolt connection and other modes, when the super crane boom 10 is in the storage state, the bracket 2 is mainly in contact with the third limiting part 5 to keep balance under the self weight, at the moment, the first plate and the second plate are in contact or are arranged in a gap, and preferably, the first plate and the second plate are just in contact.
In this embodiment, the surfaces of the first plate and the second plate facing each other may be provided with a damping plate, whereby the damping plate can reduce the contact stress between the first plate and the second plate when the boom 10 is raised. Meanwhile, reinforcing plates are arranged between the first plate member and the side wall of the bracket 2, and the number of the reinforcing plates is not limited, and may be one, two, three or the like. Therefore, under the action of the reinforcing plate, the strength of the junction of the first plate and the bracket 2 can be enhanced, and the phenomenon that the first plate and the bracket 2 are broken at the junction is avoided.
As shown in fig. 1, 2 and 3, the super-lift pulley bracket device further comprises a first fastening member 6, the fixing device 1 is provided with a mounting groove 11 and a first hole structure, the first hole structure is communicated with the mounting groove 11, the bracket 2 is provided with a second hole structure 211, a part of the bracket 2 is suitable for extending into the mounting groove 11, and the first fastening member 6 is suitable for penetrating through the first hole structure and the second hole structure 211 so as to connect the bracket 2 and the fixing device 1.
In this embodiment, the first fastening member 6 is a pin, the fixing device 1 is provided with a mounting groove 11 and a first hole structure, wherein the first hole structure is communicated with the mounting groove 11, the bracket 2 is provided with a second hole structure 211, a part of the bracket 2 is suitable for extending into the mounting groove 11, the mounting groove 11 plays a role of guiding, which can limit the displacement of the bracket 2 in the X-axis direction, and when the first hole structure is aligned with the second hole structure 211, the pin penetrates through the first hole structure and the second hole structure 211 to connect the bracket 2 with the fixing device 1. So configured, the bracket 2 can rotate around the pin, so that the fixing device 1 can rotate relative to the bracket 2 when the super lift arm 10 rotates to lift.
As shown in fig. 1 and 3, the bracket 2 includes a first connecting portion 21 and a second connecting portion 22 connected to each other, the first connecting portion 21 is provided with the second hole structure 211, the first connecting portion 21 is adapted to extend into the mounting groove 11, the second connecting portion 22 is provided with the first limiting member 3, and when the super-lift arm 10 is in the super-lift state, the fixing device 1 and the second connecting portion 22 are in contact with each other or are disposed with a gap at a side end away from the lift arm 9.
In this embodiment, the first connecting portion 21 and the second connecting portion 22 are connected end to end in the Y-axis direction, and the second hole structure 211 is disposed on the first connecting portion 21, so that the first connecting portion 21 is used to extend into the mounting groove 11 to cooperate with the fixing device 1, thereby realizing the rotation of the bracket 2 and the fixing device 1. The second connecting portion 22 is used for mounting the pulley assembly 8 (described later), and a first plate is disposed on the second connecting portion 22 and is used for being matched with a second plate on the crane arm 9. When the jib 10 is in the jib state, the fastening device 1 is in contact with the side end of the second connection 22 facing away from the jib 9 or is arranged with a gap. With this arrangement, the fixing device 1 is used for limiting the position above the second connecting part 22, and the boom 9 is used for limiting the position below the second connecting part 22, so that the bracket 2 cannot rotate or the rotation amplitude is slight, and the bracket 2 is fixed, that is, when the super boom 10 is in the super-lift state, the bracket 2 cannot move, and the hidden trouble in installation is reduced.
As shown in fig. 2, the third limiting member 5 is disposed in the mounting groove 11, the third limiting member 5 is located on a rotation path of the first connecting portion 21, and the third limiting member 5 is adapted to abut against the first connecting portion 21.
In this embodiment, the third limiting member 5 may be a pin or a plate, and according to actual requirements, as shown in fig. 2, the third limiting member 5 is a pin and is disposed in the mounting groove 11, specifically, the fixing device 1 is provided with a pin hole communicated with the mounting groove 11, and the pin is inserted into the pin hole, so that a part of the pin is located in the mounting groove 11.
In this embodiment, the third limiting member 5 is located on the rotation path of the first connecting portion 21, and since the bracket 2 needs to keep balance under the self-weight, when the third limiting member 5 is disposed above the bracket 2, it is located on the hinge point of the bracket 2 away from the side where the pulley assembly 8 is disposed, and when the third limiting member 5 is disposed below the bracket 2, it is located on the hinge point of the bracket 2 close to the side where the pulley assembly 8 is disposed.
As shown in fig. 1, the second connecting portion 22 includes a first body 221, a second body 222, and a third body 223, the first body 221 is connected to the first connecting portion 21, the second body 222 and the second body 222 are disposed on the first body 221 at intervals, the first body 221 is provided with a first engaging groove 2222, the second body 222 is provided with a second engaging groove 2231, and the first engaging groove 2222 and the second engaging groove 2231 are adapted to support a pulley assembly 8, so that the pulley assembly 8 is located between the first body 221 and the second body 222.
In this embodiment, the first body 221, the second body 222, and the third body 223 are integrally formed, and the three are formed into a U-like structure, one end surface of the first body 221 in the Y-axis direction is connected to the first connection portion 21, and the other end surface of the first body 221 in the Y-axis direction is connected to the second body 222 and the third body 223. The second body 222 and the third body 223 have the same structure and are plate-shaped members, the second body 222 and the third body 223 are disposed on the first body 221 at intervals, the upper end surface of the first body 221 is provided with a first clamping groove 2222, the second body 222 is provided with a second clamping groove 2231 at the same position, and the first clamping groove 2222 and the second clamping groove 2231 are adapted to support the pulley assembly 8, so that the pulley assembly 8 is located between the first body 221 and the second body 222.
It should be understood that, as shown in fig. 4, the pulley assembly 8 of the super lift device includes a movable pulley 81 and a wheel frame 82, the movable pulley 81 is disposed on the wheel frame 82 and is adapted to rotate relative to the wheel frame 82, specifically, the movable pulley 81 is limited in a rotation groove of the wheel frame 82 by a connecting shaft 83, when the pulley assembly 8 is mounted on the bracket 2, two ends of the connecting shaft 83 are supported in the first locking groove 2222 and the second locking groove 2231, and the wheel frame 82 is disposed between the first body 221 and the second body 222.
As shown in fig. 4, the super-lift pulley bracket device further includes a second fastening member 7, a third hole structure 2221 is disposed on the bracket 2, the second fastening member 7 is adapted to be inserted into the third hole structure 2221, and the second fastening member 7 is adapted to be connected with the pulley assembly 8.
In this embodiment, the second fastening member 7 is a pin, the second body 222 and the third body 223 of the bracket 2 are both provided with a third hole structure 2221, the third hole structures 2221 of the second body 222 and the third body 223 are coaxially arranged, the wheel carrier 82 of the pulley assembly 8 is provided with a fourth hole structure, and when the wheel carrier 82 is placed between the second body 222 and the third body 223, after the third hole structure 2221 and the fourth hole structure are aligned, the pin is inserted through the third hole structure 2221 and the fourth hole structure to connect the wheel carrier 82 and the bracket 2. So set up, can be spacing loose pulley assembly 8 on bracket 2, avoid loose pulley assembly 8 to drop from bracket 2 to bring the potential safety hazard.
The arm support of another embodiment of the invention, as shown in fig. 6 and 7, comprises the super lift pulley bracket device.
As shown in fig. 6 and 7, the arm support further includes a super lift arm 10 and a lift arm 9, the super lift arm 10 is rotatably connected with the lift arm 9, the fixing device 1 of the super lift pulley bracket device is disposed on the super lift arm 10, and the rotation axes of the bracket 2 of the super lift pulley bracket device and the fixing device 1 are coaxial with the rotation axes of the super lift arm 10 and the lift arm 9.
In this embodiment, as shown in fig. 6 and 7, two superlift pulley bracket devices are provided, and the two superlift pulley brackets are symmetrically provided with respect to the superlift arm 10. The super lift arm 10 and the crane boom 9 are rotatably connected through a pin shaft, and the fixing device 1 of the super lift pulley bracket device is arranged on the super lift arm 10 and can be connected in a welding or bolt connection mode. The axes of rotation of bracket 2 and fixture 1 of the superlift pulley bracket assembly are coaxial with the axes of rotation of superlift arm 10 and boom 9, whereby bracket 2 and fixture 1 rotate coaxially when superlift arm 10 is rotated to raise, thereby not interfering with the normal operation of superlift arm 10.
A crane according to a further embodiment of the invention comprises a super lift sheave bracket arrangement as described above, and/or a boom as described above.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.
Claims (10)
1. The super-lifting pulley bracket device is characterized by comprising a fixing device, a bracket, a first limiting piece, a second limiting piece and a third limiting piece, wherein the fixing device is suitable for being arranged on a super-lifting arm; the bracket is rotationally connected with the fixing device, the first limiting piece is arranged on the bracket, the second limiting piece is suitable for being arranged on the crane boom, and the third limiting piece is arranged on the fixing device;
when the super-lift arm is in a folding state, the first limiting piece and the second limiting piece are in contact or are arranged in a clearance mode, and the bracket is in contact with the third limiting piece so that the bracket keeps balance under the dead weight;
when the super-lift arm is in a lifting state, the bracket is separated from the third limiting piece, and the first limiting piece and the second limiting piece are suitable for being in contact so that the bracket is supported on the lift arm.
2. The superlift pulley bracket assembly of claim 1, wherein the first retainer comprises a first plate member connected to the bracket; the second limiting part comprises a second plate, the second plate is suitable for being connected with the crane arm, and the first plate is suitable for being supported on the second plate when the crane arm is started.
3. The superlift pulley bracket assembly of claim 1, further comprising a first fastener, the fixture having a mounting slot and a first aperture structure, the first aperture structure in communication with the mounting slot, the bracket having a second aperture structure, a portion of the bracket adapted to extend into the mounting slot, the first fastener adapted to be disposed through the first aperture structure and the second aperture structure to couple the bracket and the fixture.
4. The super lift pulley bracket assembly of claim 3 wherein said bracket includes first and second interconnecting portions that are interconnected, said first interconnecting portion being provided with said second aperture arrangement, said second interconnecting portion being provided with said first stop, said first interconnecting portion being adapted to extend into said mounting slot, said securing means being in contact with or spaced from a side end of said second interconnecting portion that faces away from said boom when said super lift arm is in the super lift position.
5. The super lift pulley bracket device of claim 4, wherein said third retaining member is disposed in said mounting slot, said third retaining member being located on a rotational path of said first connecting portion, said third retaining member being adapted to abut said first connecting portion.
6. The superlift pulley carrier device of claim 4, wherein the second connecting portion includes a first body, a second body, and a third body, the first body and the first connecting portion being connected, the second body and the second body being spaced apart on the first body, the first body being provided with a first slot, the second body being provided with a second slot, the first slot and the second slot being adapted to support a pulley assembly such that the pulley assembly is positioned between the first body and the second body.
7. The superlift pulley bracket device of claim 1, further comprising a second fastener, wherein a third aperture structure is provided in the bracket, the second fastener adapted to be inserted through the third aperture structure, the second fastener adapted to be coupled to a pulley assembly.
8. An arm support comprising the superlift pulley carriage assembly of any of claims 1 to 7.
9. The boom support of claim 8, further comprising a super lift arm and a boom, wherein the super lift arm and the boom are rotatably connected, the fixing device of the super lift pulley bracket device is arranged on the super lift arm, and the rotation axes of the bracket of the super lift pulley bracket device and the fixing device are coaxial with the rotation axes of the super lift arm and the boom.
10. A crane comprising a superlift sheave bracket assembly as claimed in any one of claims 1 to 7 and/or a boom as claimed in any one of claims 8 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110872212.9A CN113401818B (en) | 2021-07-30 | 2021-07-30 | Super-lifting pulley bracket device, arm support and crane |
| PCT/CN2022/101812 WO2023005564A1 (en) | 2021-07-30 | 2022-06-28 | Super-lift pulley bracket device, arm support and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110872212.9A CN113401818B (en) | 2021-07-30 | 2021-07-30 | Super-lifting pulley bracket device, arm support and crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113401818A true CN113401818A (en) | 2021-09-17 |
| CN113401818B CN113401818B (en) | 2023-08-01 |
Family
ID=77688188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110872212.9A Active CN113401818B (en) | 2021-07-30 | 2021-07-30 | Super-lifting pulley bracket device, arm support and crane |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113401818B (en) |
| WO (1) | WO2023005564A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023005564A1 (en) * | 2021-07-30 | 2023-02-02 | 湖南三一中型起重机械有限公司 | Super-lift pulley bracket device, arm support and crane |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202379629U (en) * | 2011-12-27 | 2012-08-15 | 徐州重型机械有限公司 | Super lifting device and crane |
| CN103407908A (en) * | 2013-08-29 | 2013-11-27 | 徐州重型机械有限公司 | Crane and front tensioning system of super lifting device thereof |
| CN103863956A (en) * | 2014-03-31 | 2014-06-18 | 徐州重型机械有限公司 | Crane with self-dismounting over-lifting device and dismounting method of over-lifting device |
| JP2014144853A (en) * | 2013-01-29 | 2014-08-14 | Kobelco Cranes Co Ltd | Boom and boom hoisting member |
| CN203998733U (en) * | 2014-06-25 | 2014-12-10 | 徐州重型机械有限公司 | A kind of boom device and super starter pulley bracket thereof |
| CN105460807A (en) * | 2015-11-24 | 2016-04-06 | 徐州重型机械有限公司 | All-terrain crane |
| US20190359456A1 (en) * | 2018-05-23 | 2019-11-28 | Kobelco Construction Machinery Co., Ltd. | Swingable connection structure and crane provided with swingable connection structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113401818B (en) * | 2021-07-30 | 2023-08-01 | 湖南三一中型起重机械有限公司 | Super-lifting pulley bracket device, arm support and crane |
-
2021
- 2021-07-30 CN CN202110872212.9A patent/CN113401818B/en active Active
-
2022
- 2022-06-28 WO PCT/CN2022/101812 patent/WO2023005564A1/en unknown
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202379629U (en) * | 2011-12-27 | 2012-08-15 | 徐州重型机械有限公司 | Super lifting device and crane |
| JP2014144853A (en) * | 2013-01-29 | 2014-08-14 | Kobelco Cranes Co Ltd | Boom and boom hoisting member |
| CN103407908A (en) * | 2013-08-29 | 2013-11-27 | 徐州重型机械有限公司 | Crane and front tensioning system of super lifting device thereof |
| CN103863956A (en) * | 2014-03-31 | 2014-06-18 | 徐州重型机械有限公司 | Crane with self-dismounting over-lifting device and dismounting method of over-lifting device |
| CN203998733U (en) * | 2014-06-25 | 2014-12-10 | 徐州重型机械有限公司 | A kind of boom device and super starter pulley bracket thereof |
| CN105460807A (en) * | 2015-11-24 | 2016-04-06 | 徐州重型机械有限公司 | All-terrain crane |
| US20190359456A1 (en) * | 2018-05-23 | 2019-11-28 | Kobelco Construction Machinery Co., Ltd. | Swingable connection structure and crane provided with swingable connection structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023005564A1 (en) * | 2021-07-30 | 2023-02-02 | 湖南三一中型起重机械有限公司 | Super-lift pulley bracket device, arm support and crane |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023005564A1 (en) | 2023-02-02 |
| CN113401818B (en) | 2023-08-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5800848B2 (en) | Cylinder storage device, boom device and crawler crane | |
| JP2010195542A (en) | Rotating superstructure and crane | |
| CN113401818A (en) | Super-lifting pulley bracket device, arm support and crane | |
| US10640341B2 (en) | Method for raising raisable and lowerable member, and crane | |
| JP2012126523A (en) | Counterweight positioning device of boom type working vehicle | |
| JP4698270B2 (en) | Alignment guide and alignment method for self-propelled crane boom installation | |
| JP2014129161A (en) | Counterweight device of construction machine and construction machine | |
| CN212148389U (en) | Locking bolt and battery locking means | |
| JP2003201089A (en) | Mobile crane and self-operated attachment/detachment method | |
| CN114608383B (en) | Arrow body erecting device | |
| JP2019014590A (en) | Separation type counterweight | |
| JP2020109037A (en) | Hoisting tool, hoisting tool system and usage method of hoisting system | |
| CN111483931A (en) | Cantilever crane assembly and crane | |
| JP2000045333A (en) | Machine body lifting construction for hydraulic excavator | |
| CN219602069U (en) | Cargo boom transportation tool and transport vehicle | |
| CN210001483U (en) | Lifting arm assembly and lorry-mounted crane | |
| JP2784718B2 (en) | Crane auxiliary sheave device | |
| CN218174506U (en) | Pulley mechanism and crane | |
| CN219747804U (en) | Walking platen assembly fixture | |
| CN214995783U (en) | Walking device of support system of scaffold is detained to integral movement socket joint formula dish | |
| CN215924153U (en) | Special lifting appliance for front support of excavator movable arm | |
| CN218665334U (en) | Gear box turnover device | |
| CN220033921U (en) | Accessory quick change device and telescopic arm forklift truck | |
| CN217102827U (en) | Carrier roller device and crane | |
| CN220745099U (en) | Gearbox lifting appliance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |