CN216863465U - Mast assembly and working machine - Google Patents
Mast assembly and working machine Download PDFInfo
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- CN216863465U CN216863465U CN202220383305.5U CN202220383305U CN216863465U CN 216863465 U CN216863465 U CN 216863465U CN 202220383305 U CN202220383305 U CN 202220383305U CN 216863465 U CN216863465 U CN 216863465U
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Abstract
The utility model relates to the technical field of cranes, and provides a mast assembly and an operating machine. The mast assembly is used for overcoming the defect that a lifting winch component of a crawler crane in the prior art cannot realize independent loading and unloading, and comprises a mast body, wherein the first end of the mast body is used for being installed on a rotary table, the mast body comprises a first main beam and a second main beam which are arranged in parallel, and the mast assembly further comprises a support rod component, and the support rod component is detachably arranged between the first main beam and the second main beam. According to the utility model, the barrier-free channel is formed between the first main beam and the second main beam by disassembling the stay bar assembly, so that the hoisting assembly is hoisted by the mast body and is conveyed to the installation position, the hoisting assembly is automatically assembled and disassembled, the installation efficiency is improved, and the operation is simple and convenient.
Description
Technical Field
The utility model relates to the technical field of cranes, in particular to a mast assembly and an operating machine.
Background
When a main machine of a large-tonnage crawler crane is disassembled and transported, the weight of the main machine exceeds the rated load of a transport vehicle, a winch assembly in a rotary table is disassembled and transported independently, auxiliary hoisting is needed during re-installation, and due to the limitation of construction regions, the auxiliary installation cannot be realized due to the fact that a proper auxiliary lifting tool is not arranged on the site, and the construction period is delayed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a mast assembly and an operation machine, which are used for solving the defect that a hoisting component of a crawler crane in the prior art cannot be automatically loaded and unloaded, realizing the detachable assembly of the mast assembly and reserving an operation space for the automatic loading and unloading of the hoisting component.
The utility model provides a mast assembly which comprises a mast body, wherein the first end of the mast body is used for being installed on a rotary table, the mast body comprises a first main beam and a second main beam which are arranged in parallel, and the mast assembly further comprises a stay bar component, and the stay bar component is detachably arranged between the first main beam and the second main beam.
According to the mast assembly provided by the utility model, the stay bar component comprises a first transverse stay bar, a first lug plate is arranged on one side of the first main beam opposite to the second main beam, a second lug plate is arranged on one side of the second main beam opposite to the first main beam, and two ends of the first transverse stay bar are respectively detachably connected with the first lug plate and the second lug plate.
According to the mast assembly provided by the utility model, the stay bar component further comprises a diagonal stay bar, a third ear plate is further arranged on one side of the second main beam opposite to the first main beam, and two ends of the diagonal stay bar are respectively detachably connected with the first ear plate and the third ear plate.
According to the mast assembly provided by the utility model, the stay bar component further comprises a second transverse stay bar, a fourth ear plate is further arranged on one side of the first main beam opposite to the second main beam, two ends of the second transverse stay bar are respectively detachably connected with the fourth ear plate and the third ear plate, and the inclined stay bar is obliquely arranged between the first transverse stay bar and the second transverse stay bar.
According to the mast assembly provided by the utility model, the stay bar component further comprises a third transverse stay bar, a fifth lug plate is arranged on one side of the first main beam opposite to the second main beam, a sixth lug plate is arranged on one side of the second main beam opposite to the first main beam, and two ends of the third transverse stay bar are respectively detachably connected with the fifth lug plate and the sixth lug plate;
and the third transverse supporting rod is provided with a mounting support.
The mast assembly further comprises a telescopic oil cylinder, the mounting end of the telescopic oil cylinder is connected with the second end of the mast body, a hanging plate is arranged at the telescopic end of the telescopic oil cylinder, and the hanging plate is detachably connected with the mounting support.
According to the mast assembly provided by the utility model, the mast assembly further comprises a cross beam, a seventh lug plate is arranged on one side of the first main beam opposite to the second main beam, an eighth lug plate is arranged on one side of the second main beam opposite to the first main beam, and two ends of the cross beam are detachably connected with the seventh lug plate and the eighth lug plate respectively.
The utility model also provides a working machine, which comprises a rotary table and the mast assembly, wherein the first end of the mast body is hinged with the rotary table.
According to the working machine provided by the utility model, the rotary table is provided with a first pulley assembly, the second end of the mast body is provided with a second pulley assembly, a steel wire rope is wound between the first pulley assembly and the second pulley assembly, the rotary table is further provided with an installation position for installing a hoisting assembly, and the steel wire rope is used for being connected with the driving end of the hoisting assembly.
According to the working machine provided by the utility model, the rotary table is further provided with a backward tilting prevention oil cylinder, and the output end of the backward tilting prevention oil cylinder is connected with the first end of the mast body.
The mast assembly and the operation machine provided by the utility model comprise a mast body, wherein the first end of the mast body is used for being installed on a rotary table, the mast body comprises a first main beam and a second main beam which are arranged in parallel, the mast assembly further comprises a stay bar component, the stay bar component is detachably arranged between the first main beam and the second main beam, and an obstacle-free channel is formed between the first main beam and the second main beam by disassembling the stay bar component, so that the mast body can lift a winch component and convey the winch component to an installation position, the self-loading and unloading of the winch component are realized, the installation efficiency is improved, and the mast assembly is simple and convenient.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic view of a portion of a mast assembly provided in accordance with the present invention;
FIG. 2 is a front view of a mast assembly provided by the present invention;
FIG. 3 is a schematic structural view of a third cross brace in the mast assembly provided by the present invention;
FIG. 4 is a schematic view of a first lug of the mast assembly provided by the present invention;
FIG. 5 is a schematic view of a second lug of the mast assembly provided by the present invention;
fig. 6 is a schematic diagram of a process of hoisting, moving and lowering a hoist assembly by a work machine according to the present disclosure.
Reference numerals are as follows:
100. a mast body; 110. a first main beam; 111. a first ear plate; 112. a fourth ear panel; 113. a fifth ear panel; 114. a seventh ear plate; 120. a second main beam; 121. a second ear panel; 122. a third ear plate; 123. a sixth ear plate; 124. an eighth ear plate; 130. a first cross brace; 140. a diagonal brace; 150. a second cross brace; 160. a third transverse strut; 161. mounting a support; 170. a cross beam; 180. a telescopic oil cylinder; 190. a hoisting assembly; 200. a turntable.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
A mast assembly of the present invention is described below with reference to fig. 1-6, and includes a mast body 100, a first end of the mast body 100 being configured to be mounted to a turntable 200, the mast body 100 including a first main beam 110 and a second main beam 120 arranged in parallel, and a strut assembly removably disposed between the first main beam 110 and the second main beam 120. It is understood that the first end, i.e., the lower end, of the mast body 100 is configured to be mounted on the turntable 200, and the winch assembly 190 is further configured to adjust the arm support. The mast body 100 comprises a first main beam 110 and a second main beam 120 which are arranged in parallel, and the lower ends of the first main beam 110 and the second main beam 120 are respectively hinged with the rotary table 200, so that the first main beam 110 and the second main beam 120 can synchronously rotate. A connecting beam is arranged between the upper end of the first main beam 110 and the upper end of the second main beam 120, so that the first main beam 110 and the second main beam 120 are relatively fixed, and the overall structural strength of the mast body 100 is improved.
Further, in the present embodiment, the brace assembly includes a first transverse brace 130 and a diagonal brace 140, the first transverse brace 130 and the diagonal brace 140 are disposed between the first main beam 110 and the second main beam 120, the first transverse brace 130 is parallel to the connecting beam, and the diagonal brace 140 is obliquely disposed between the first main beam 110 and the second main beam 120. The two ends of the first cross brace 130 are detachably connected with the first main beam 110 and the second main beam 120 respectively. The diagonal brace 140 has two ends detachably connected to the first main beam 110 and the second main beam 120, respectively.
Specifically, the first transverse supporting rod 130 and the diagonal supporting rod 140 are installed between the first main beam 110 and the second main beam 120, so that the overall rigidity and the structural strength of the mast body 100 are effectively improved, and the mast body 100 meets the requirement of the compression characteristic. When the hoisting assembly 190 needs to be hoisted, the first transverse support rod 130 and the inclined support rod 140 are disassembled, so that the lower part of the connecting beam is not blocked, namely, an accessible channel is formed between the first main beam 110 and the second main beam 120, and then the hoisting, moving and transferring of the hoisting assembly 190 are realized by adjusting the amplitude of the mast body 100, so that the hoisting assembly 190 is correspondingly installed on a specified installation position, the self-assembly and disassembly of the hoisting assembly 190 are completed, no additional auxiliary tool is needed, and the disassembly and assembly efficiency of the hoisting assembly 190 is improved.
It should be noted that the brace bar assembly may be configured as a plurality of first transverse braces 130, or a plurality of diagonal braces 140, or a combination of the first transverse braces 130 and the diagonal braces 140, or a frame-type structure.
According to the mast assembly provided by the utility model, a first lug plate 111 is arranged on one side of the first main beam 110 opposite to the second main beam 120, a second lug plate 121 is arranged on one side of the second main beam 120 opposite to the first main beam 110, and two ends of the first cross brace 130 are detachably connected with the first lug plate 111 and the second lug plate 121 respectively. It is understood that the first main beam 110 is provided with a first ear plate 111 at a side opposite to the second main beam 120, that is, the first ear plate 111 is provided at an inner side of the first main beam 110. A second ear plate 121 is disposed on the opposite side of the second main beam 120 from the first main beam 110, that is, the second ear plate 121 is disposed on the inner side of the second main beam 120. Two ends of the first transverse supporting rod 130 are detachably connected with the first ear plate 111 and the second ear plate 121 respectively, the first ear plate 111 and the second ear plate 121 are arranged at the same height, the first transverse supporting rod 130 is transversely arranged, and two ends of the first transverse supporting rod 130 are provided with connecting plates detachably matched with the first ear plate 111 and the second ear plate 121 respectively.
Specifically, the first ear plate 111 is welded and fixed to the inner side of the first main beam 110, and the second ear plate 121 is welded and fixed to the inner side of the second main beam 120. The connecting plates at the corresponding ends of the first ear plate 111 and the first transverse supporting rod 130 can be connected by fixing pins or bolts, and the connecting plates at the corresponding ends of the second ear plate 121 and the first transverse supporting rod 130 can be connected by fixing pins or bolts.
According to the mast assembly provided by the utility model, the second main beam 120 is further provided with a third lug plate 122 on the side opposite to the first main beam 110, and two ends of the diagonal brace 140 are respectively detachably connected with the first lug plate 111 and the third lug plate 122. It is understood that the second main beam 120 is further provided with a third ear plate 122 on the side opposite to the first main beam 110, i.e. the third ear plate 122 is welded and fixed on the inner side of the second main beam 120. The third ear plate 122 is lower than the first ear plate 111, and the two ends of the diagonal brace 140 are detachably connected to the first ear plate 111 and the third ear plate 122, respectively. That is, the upper end of the diagonal brace 140 is detachably connected to the first ear plate 111, and the lower end of the diagonal brace 140 is detachably connected to the third ear plate 122.
In this embodiment, the first ear plate 111 has a double-ear structure, and the left end of the first transverse supporting rod 130 and the upper end of the diagonal supporting rod 140 are detachably connected to the first ear plate 111.
According to the mast assembly provided by the utility model, the mast assembly further comprises a second transverse supporting rod 150, a fourth ear plate 112 is further arranged on the side of the first main beam 110 opposite to the second main beam 120, two ends of the second transverse supporting rod 150 are respectively detachably connected with the fourth ear plate 112 and the third ear plate 122, wherein the inclined supporting rod 140 is obliquely arranged between the first transverse supporting rod 130 and the second transverse supporting rod 150. It will be appreciated that the first main beam 110 is also provided with a fourth ear plate 112 on the side opposite the second main beam 120, the fourth ear plate 112 having the same height as the third ear plate 122. The second transverse strut 150 is arranged in parallel with the first transverse strut 130 and is located between the first main beam 110 and the second main beam 120, the diagonal strut 140 is located between the first transverse strut 130 and the second transverse strut 150, and correspondingly, two ends of the second transverse strut 150 are detachably connected with the fourth ear plate 112 and the third ear plate 122 respectively.
In this embodiment, the first ear plate 111 and the fourth ear plate 112 both adopt a single-ear structure. The third ear plate 122 adopts a double-lug structure, and the right end of the second transverse supporting rod 150 and the lower end of the inclined supporting rod 140 are detachably connected with the third ear plate 122.
According to the mast assembly provided by the utility model, the mast assembly further comprises a third transverse supporting rod 160, a fifth lug plate 113 is arranged on one side of the first main beam 110 opposite to the second main beam 120, a sixth lug plate 123 is arranged on one side of the second main beam 120 opposite to the first main beam 110, and two ends of the third transverse supporting rod 160 are respectively detachably connected with the fifth lug plate 113 and the sixth lug plate 123;
the third cross brace 160 is provided with a mounting bracket 161. It can be understood that the third cross brace 160, on one hand, strengthens the connection strength of the first main beam 110 and the second main beam 120, and improves the structural strength of the mast body 100, and on the other hand, the third cross brace 160 is provided with the mounting support 161, so as to achieve the detachable mounting of the hanger plate at the driving end of the telescopic cylinder 180, and the hanger plate is used for hanging the hoisting assembly 190.
The fifth ear plate 113 is arranged on one side of the first main beam 110 opposite to the second main beam 120, the sixth ear plate 123 is arranged on one side of the second main beam 120 opposite to the first main beam 110, two ends of the third transverse supporting rod 160 are detachably connected with the fifth ear plate 113 and the sixth ear plate 123, and the third transverse supporting rod 160 is parallel to the second transverse supporting rod 150 and is located below the second supporting rod. The height of the third cross brace 160 needs to be adapted to the height of the hanger plate when the telescopic cylinder 180 is in the contracted state.
In this embodiment, the sixth ear plate 123 and the fifth ear plate 113 both have a single-ear structure.
According to the mast assembly provided by the utility model, the mast assembly further comprises a telescopic oil cylinder 180, the mounting end of the telescopic oil cylinder 180 is connected with the second end of the mast body 100, the telescopic end of the telescopic oil cylinder 180 is provided with a hanging plate, and the hanging plate is detachably connected with the mounting support 161. It will be appreciated that the mounting end of the telescopic cylinder 180 is connected to the second end of the mast body 100, i.e. the mounting end of the telescopic cylinder 180 is detachably connected to the connection beam. The telescopic end of the telescopic cylinder 180 is arranged downwards and is provided with a hanging plate, and the hanging plate is detachably connected with the mounting support 161. That is, when the hanger plate is mounted on the mounting support 161, the telescopic cylinder 180 and the mast body 100 are relatively fixed; when the hanger plate is separated from the mounting support 161, the telescopic amount of the telescopic oil cylinder 180 is adjusted, the hanger plate is connected with the hoisting assembly 190, hoisting, transferring and lowering of the hoisting assembly 190 are achieved, and the hoisting assembly 190 is hoisted to a designated mounting position.
In one embodiment, the telescopic cylinder 180 is wirelessly connected to a remote controller, so as to remotely and wirelessly operate the telescopic cylinder 180, thereby adjusting the telescopic amount of the telescopic cylinder 180.
According to the mast assembly provided by the utility model, the mast assembly further comprises a cross beam 170, a seventh lug plate 114 is arranged on one side of the first main beam 110 opposite to the second main beam 120, an eighth lug plate 124 is arranged on one side of the second main beam 120 opposite to the first main beam 110, and two ends of the cross beam 170 are respectively detachably connected with the seventh lug plate 114 and the eighth lug plate 124. It will be appreciated that the cross beam 170 is disposed proximate the first end of the mast body 100 to provide overall structural strength to the mast body 100, and the cross beam 170 is disposed parallel to the third cross brace 160.
Wherein, the first main beam 110 is provided with a seventh ear plate 114 at one side opposite to the second main beam 120, the second main beam 120 is provided with an eighth ear plate 124 at one side opposite to the first main beam 110, and two ends of the cross beam 170 are detachably connected with the seventh ear plate 114 and the eighth ear plate 124 respectively. In this embodiment, the seventh ear plate 114 and the eighth ear plate 124 are of a single ear structure.
The present disclosure also provides a work machine comprising a turntable 200 and a mast assembly as described above, the first end of the mast body 100 being hingedly connected to the turntable 200. It will be appreciated that the second or lower end of the mast body 100 is hinged to the turntable 200, and the lower end of the mast body 100 can rotate within a range of angles about the hinge. The rotary table 200 is used to adjust the spatial position of the mast body 100, and the mast body 100 rotates to adjust the inclination angle thereof. In this embodiment, the work machine may be a crawler crane.
According to the working machine provided by the utility model, the turntable 200 is provided with a first pulley assembly, the second end of the mast body 100 is provided with a second pulley assembly, a steel wire rope is wound between the first pulley assembly and the second pulley assembly, the turntable 200 is further provided with a mounting position for mounting the hoisting assembly 190, and the steel wire rope is used for being connected with the driving end of the hoisting assembly 190. It can be understood that the turntable 200 is provided with a first pulley assembly, the upper end of the mast body 100 is provided with a second pulley assembly, a steel wire rope is wound between the first pulley assembly and the second pulley assembly, and the second end of the mast body 100 is pulled through the arrangement of the steel wire rope. The turntable 200 is further provided with an installation position for installing the hoisting assembly 190, and the steel wire rope can be connected with the driving end of the hoisting assembly 190 to realize regulation and control of the movable arm.
According to the working machine provided by the present invention, the turntable 200 is further provided with a back-tilting prevention cylinder, and an output end of the back-tilting prevention cylinder is connected with the first end of the mast body 100. It can be understood that the anti-back-tilting cylinder is arranged on the rotary table 200, and the output end of the anti-back-tilting cylinder is connected with the lower end of the mast body 100, so as to provide power for the rotation of the mast body 100, and meanwhile, when the included angle between the mast body 100 and the rotary table 200 is an acute angle, the anti-tilting resistance is provided. Specifically, when the included angle between the mast body 100 and the turntable 200 is an obtuse angle, the steel wire rope provides a pulling force, and the mast body 100 cannot fall off; when the included angle between the mast body 100 and the rotary table 200 is an acute angle, the anti-back-tipping oil cylinder outputs anti-tipping resistance; the anti-back-tipping cylinder provides power during the rotation of the mast body 100. The mast body 100 can change the amplitude through the winch and the steel wire rope, and meanwhile, the backward tilting prevention oil cylinder at the first end of the mast body 100 acts (the action is performed when the angle between the mast body 100 and the rotary table 200 is 0-90 degrees), so that thrust is provided, and the winch assembly 190 is conveyed to the installation position.
The self-loading and unloading process of the hoisting assembly 190 in the utility model is as follows:
referring to fig. 6, wherein (a) shows a hoisting process of the hoisting assembly 190, the first transverse supporting rod 130, the diagonal supporting rod 140, the second transverse supporting rod 150, the third transverse supporting rod 160 and the cross beam 170 are disassembled, the anti-back-tilting cylinder drives the mast body 100 to rotate, so that an included angle between the mast body 100 and the turntable 200 forms an obtuse angle, at this time, the lower end of the telescopic cylinder 180 is under the action of gravity, the hanging plate is automatically separated from the mounting support 161, and the telescopic cylinder 180 is in a vertical state;
the extension amount of the telescopic cylinder 180 is adjusted by a remote controller, and the hoisting assembly 190 is hung on the hanging plate, as shown in the state of (a) in fig. 6, at this time, the steel wire rope generates a pulling force on the mast body 100;
the anti-back-tipping oil cylinder drives the mast body 100 to rotate, so that the included angle between the mast body 100 and the rotary table 200 becomes smaller, and the state shown in fig. 6 (b) is that the mast body 100 rotates to form an included angle of 90 degrees with the rotary table 200;
the anti-back-tilting cylinder continues to drive the mast body 100 to rotate, so that an included angle between the mast body 100 and the rotary table 200 is an acute angle, and in the rotating process of the mast body 100, the hoisted hoisting assembly passes through an unobstructed channel between the first main beam 110 and the second main beam 120, as shown in (c) of fig. 6, at this time, the telescopic cylinder 180 is positioned right above the installation position of the hoisting assembly 190, the telescopic end of the telescopic cylinder 180 is controlled by a remote controller to extend, the hoisting assembly 190 is lowered to the installation position, the hoisting plate is separated from the hoisting assembly 190, and the hoisting assembly 190 is correspondingly installed on the rotary table 200;
because the weight of the hoisting assembly 190 is limited, the supporting strength of the first and second main beams 110 and 120 can fully bear the weight of the hoisting assembly 190;
and correspondingly assembling the first transverse supporting rod 130, the inclined supporting rod 140, the second transverse supporting rod 150, the third transverse supporting rod 160 and the cross beam 170 between the first main beam 110 and the second main beam 120 to finish the assembly.
The mast assembly and the operation machine provided by the utility model comprise a mast body, wherein the first end of the mast body is used for being installed on a rotary table, the mast body comprises a first main beam and a second main beam which are arranged in parallel, the mast assembly further comprises a stay bar component, the stay bar component is detachably arranged between the first main beam and the second main beam, and a barrier-free channel is formed between the first main beam and the second main beam by detaching a first transverse stay bar and an inclined stay bar, so that the mast body can lift a winch component and convey the winch component to an installation position, the self-loading and unloading of the winch component are realized, the installation efficiency is improved, and the mast assembly is simple and convenient.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The mast assembly comprises a mast body, wherein the first end of the mast body is used for being installed on a rotary table, the mast body comprises a first main beam and a second main beam which are arranged in parallel, and the mast assembly is characterized by further comprising a support rod component, and the support rod component is detachably arranged between the first main beam and the second main beam.
2. A mast assembly according to claim 1, wherein the brace member comprises a first cross brace, a first ear plate is disposed on a side of the first main beam opposite the second main beam, a second ear plate is disposed on a side of the second main beam opposite the first main beam, and two ends of the first cross brace are detachably connected to the first ear plate and the second ear plate respectively.
3. A mast assembly according to claim 2, wherein the brace assembly further comprises a diagonal brace, and a third ear plate is disposed on a side of the second main beam opposite the first main beam, wherein two ends of the diagonal brace are detachably connected to the first ear plate and the third ear plate, respectively.
4. A mast assembly according to claim 3, wherein the brace assembly further comprises a second cross brace, a fourth ear plate is provided on a side of the first main beam opposite the second main beam, and the second cross brace has two ends detachably connected to the fourth ear plate and the third ear plate, respectively, wherein the diagonal brace is obliquely provided between the first cross brace and the second cross brace.
5. A mast assembly according to claim 1, wherein the brace assembly further comprises a third cross brace, a fifth lug plate is disposed on a side of the first main beam opposite the second main beam, a sixth lug plate is disposed on a side of the second main beam opposite the first main beam, and both ends of the third cross brace are detachably connected to the fifth lug plate and the sixth lug plate respectively;
and the third transverse supporting rod is provided with a mounting support.
6. A mast assembly according to claim 5, further comprising a telescoping cylinder, a mounting end of the telescoping cylinder being coupled to the second end of the mast body, the telescoping end of the telescoping cylinder being provided with a hanger plate, the hanger plate being removably coupled to the mounting support.
7. A mast assembly according to any one of claims 1 to 6, further comprising a cross member, wherein a seventh lug is provided on a side of the first main beam opposite the second main beam, wherein an eighth lug is provided on a side of the second main beam opposite the first main beam, and wherein the cross member is detachably connected at each end to the seventh lug and the eighth lug, respectively.
8. A work machine comprising a turntable and a mast assembly according to any one of claims 1 to 7, the first end of the mast body being hingedly connected to the turntable.
9. The work machine of claim 8, wherein the turntable includes a first pulley assembly, the second end of the mast body includes a second pulley assembly, a cable is routed between the first pulley assembly and the second pulley assembly, and the turntable further includes a mounting location for mounting a winch assembly, the cable being configured to couple to the drive end of the winch assembly.
10. The work machine of any of claims 8 to 9, wherein the turntable is further provided with an anti-back-out cylinder, an output end of the anti-back-out cylinder being connected to the first end of the mast body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220383305.5U CN216863465U (en) | 2022-02-24 | 2022-02-24 | Mast assembly and working machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220383305.5U CN216863465U (en) | 2022-02-24 | 2022-02-24 | Mast assembly and working machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216863465U true CN216863465U (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220383305.5U Active CN216863465U (en) | 2022-02-24 | 2022-02-24 | Mast assembly and working machine |
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| Country | Link |
|---|---|
| CN (1) | CN216863465U (en) |
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2022
- 2022-02-24 CN CN202220383305.5U patent/CN216863465U/en active Active
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