CN220364289U - Self-propelled mast crane - Google Patents
Self-propelled mast crane Download PDFInfo
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- CN220364289U CN220364289U CN202322195520.XU CN202322195520U CN220364289U CN 220364289 U CN220364289 U CN 220364289U CN 202322195520 U CN202322195520 U CN 202322195520U CN 220364289 U CN220364289 U CN 220364289U
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- crane
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- 238000009434 installation Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 abstract description 6
- 238000012546 transfer Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 241000288140 Gruiformes Species 0.000 description 38
- 239000003921 oil Substances 0.000 description 9
- 230000032258 transport Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241000124872 Grus grus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
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Abstract
The utility model discloses a self-propelled mast crane in the technical field of super-lift mast cranes, and aims to solve the problem of low transfer field efficiency in the prior art. It comprises the following steps: the multifunctional trailer plate can be used as a transportation platform for components such as a cantilever crane, a truss and a pulling plate during transition, the characteristic of strong grabbing force of the crane is utilized to easily cope with muddy roads and roads with larger gradients, and the push-pull mechanism drives the super-lifting counterweight to slide to change balancing moment, so that the multifunctional trailer plate is suitable for lifting operations with different weights; meanwhile, the multifunctional trailer plate can be used as a rear overhaul platform of the crane.
Description
Technical Field
The utility model relates to a self-propelled mast crane, and belongs to the technical field of super-lifting mast cranes.
Background
Unlike traditional cranes, super-lift mast cranes cannot carry super-lift counterweights, and are generally transported by using flat-bed trucks, and meanwhile, flat-bed transport trucks are also used by masts, pull plates, arm frames and the like; after the first hoisting operation is finished, the arm support, the mast, the pull plate and the counterweight are disassembled firstly, then the disassembled parts are put on the flat car by using an auxiliary crane, and the flat car is assembled again after reaching a second operation site, so that the efficiency is low, meanwhile, the transportation of a plurality of flat cars is increased, and the equipment and labor cost are increased undoubtedly; when weather or road conditions are poor, the transportation of the flat car is limited, and in muddy roads and roads with larger gradients, the heavy-duty flat car can have difficult driving even if the gear is reduced to the lowest gear, and pressure brought to the whole construction process is provided.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a self-propelled mast crane with a function of transferring and transporting self parts.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
the self-propelled mast crane comprises a multifunctional trolley plate which rotates synchronously with a turntable of the crane, wherein the multifunctional trolley plate extends along the rear of a mast of the crane, the connecting end of the multifunctional trolley plate is in transmission connection with a turntable bearing, and the turntable bearing is detachably connected with the turntable;
the multifunctional trailer board is provided with a sliding rail along the extending direction, the super-lifting counterweight is in sliding connection with the sliding rail, and the multifunctional trailer board is provided with a push-pull mechanism for driving the super-lifting counterweight to slide;
the push-pull mechanism comprises a movable arm hinged with the super-lifting counterweight and a fixed arm connected with the multifunctional trailer plate, the fixed arm is rotationally connected with the movable arm, one end of the telescopic oil cylinder is connected with the fixed arm, and the other end of the telescopic oil cylinder is movably connected with the movable arm;
the mast comprises a main mast connected with a main counterweight and a super-lifting mast connected with a main arm through a stay rope, wherein a mast hole of the super-lifting mast is connected with the main mast through a main pulling plate, and a mast hole of the super-lifting mast is connected with the super-lifting counterweight through a super-lifting pulling plate.
Further, the super-lifting counterweight comprises a tray sliding on the sliding rail and a counterweight block detachably connected with the tray;
the tail end of the movable arm is hinged with the tray.
Further, one of the sliding rail and the tray is provided with an anti-falling buckle, and the other is provided with an anti-falling clamping groove which is in sliding clamping with the anti-falling buckle.
Further, the balancing weight is provided with a mounting hole, the tray is provided with a balancing weight mounting rod for inserting a plurality of balancing weight mounting holes, and the balancing weight mounting rod is mounted Kong Jianrong with the main balancing weight of the crane;
the top end of the balancing weight installation rod is detachably connected with the super-lifting pulling plate.
Further, the connecting end of the multifunctional trailer plate is tightly attached to the bottom surface of the turntable, and the trailer wheel is arranged at the tail end of the multifunctional trailer plate.
Further, the push-pull mechanism is arranged on the central axis of the multifunctional trailer plate, and the multifunctional trailer plate forms a space for arranging the arm support of the crane on two sides of the push-pull mechanism.
Further, one of the connecting end of the multifunctional trailer plate and the turntable bearing is provided with a transmission clamping groove, the other is provided with a transmission clamping buckle which is detachably clamped with the transmission clamping groove, and when the transmission clamping groove is clamped with the transmission clamping buckle, the turntable bearing drives the multifunctional trailer plate to synchronously rotate with the turntable.
Compared with the prior art, the utility model has the beneficial effects that:
the multifunctional trailer plate can be used as a transportation platform for the components such as the arm support, the pull plate and the like during transition, the characteristic of strong grabbing force of the crane is utilized to easily cope with muddy roads and roads with larger gradient, and the push-pull mechanism drives the super-lifting counterweight to slide to change balancing moment, so that the crane is suitable for lifting operations with different weights; meanwhile, the multifunctional trailer plate can be used as a rear overhaul platform of the crane.
Drawings
FIG. 1 is a schematic illustration of a self-propelled mast crane according to an embodiment of the present utility model;
FIG. 2 is a side view of the hidden turntable, push-pull mechanism, and pull plate of FIG. 1;
FIG. 3 is a top view of FIG. 2;
fig. 4 is a perspective view of fig. 2;
FIG. 5 is a side view of the transport boom of the traveling mast crane of FIG. 1 with the turret removed;
FIG. 6 is a top view of the traveling mast crane crawler chassis of FIG. 1;
fig. 7 is a perspective view of fig. 6;
FIG. 8 is a schematic view of the multi-function trailer panel of FIG. 1;
FIG. 9 is a rear view of the tail end of the utility trailer scooter of FIG. 1;
FIG. 10 is a perspective view of the weight mounting bar of FIG. 2;
FIG. 11 is a perspective view of the counterweight mounting rod of FIG. 10 with a primary counterweight mounting position reserved;
FIG. 12 is a schematic view of another portion of the structure of FIG. 1;
FIG. 13 is an enlarged view of the push-pull mechanism of FIG. 1;
in the figure: 1.1-a multifunctional trailer plate; 1.2-towing wheel; 1.3-sliding rails; 1.4-a power box; 1.5-track chassis; 1.6-main arm; 1.7-inhaul cable; 2-a crane; 2.1-pulling plates; 2.1.1-main pulling plate; 2.1.2-super lifting pull plates; 2.2-main weights; 2.3-a turntable; 2.3.1-turntable bearings; 2.3.2-drive buckle; 2.3.3-transmission clamping grooves; 2.4-mast; 2.4.1-super mast; 2.4.2-main mast; 2.5-arm support; 3-super-lifting a counterweight; 3.1-trays; 3.2-balancing weight; 3.2.1-a counterweight mounting bar; 3.3-anti-falling clamping grooves; 3.4-anti-falling buckle; 4-a push-pull mechanism; 4.1-telescoping arms; 4.1.1-fixed arms; 4.1.2-active arms; 4.2-telescopic cylinder.
Detailed Description
The following detailed description of the technical solutions of the present application will be made with reference to the accompanying drawings and specific embodiments, and it should be understood that the specific features of the embodiments and embodiments of the present application are detailed descriptions of the technical solutions of the present application, and not limiting the technical solutions of the present application, and the technical features of the embodiments and embodiments of the present application may be combined with each other without conflict.
Example 1
The embodiment provides a self-propelled mast crane, which aims to solve the problem of poor transfer field capacity in the prior art.
Referring to fig. 1, 2, 4 and 12, the self-propelled mast crane provided in this embodiment includes a multifunctional trolley board 1.1 which keeps synchronous rotation with a turntable 2.3 of a crane 2, and the multifunctional trolley board 1.1 extends along the rear of a mast 2.4 of the crane 2 so that a super-lift counterweight 3 is connected with a pull-up board 2.1 on the mast 2.4, and a connection end of the multifunctional trolley board 1.1 is in transmission connection with a turntable bearing 2.3.1 of the turntable 2.3, so as to keep synchronous rotation of the multifunctional trolley board 1.1 and the turntable 2.3; the multifunctional trolley board 1.1 is in sliding connection with the super-lifting counterweight 3 along the extending direction, the multifunctional trolley board 1.1 is provided with a push-pull mechanism 4 for driving the super-lifting counterweight 3 to slide, and the push-pull mechanism 4 balances the moment of the crane 2 by driving the super-lifting counterweight 3 to slide at different positions of the multifunctional trolley board 1.1, so that the overweight parts with different weights are lifted; the mast 2.4 comprises a main mast 2.4.2 connected with a main counterweight 2.2 through a steel rope, in the embodiment, the main boom 1.6 and the super-lift mast 2.4.1 are composed of a boom 2.5, the main mast 2.4.2 is in a rod shape, the mast 2.4 also comprises a super-lift mast 2.4.1, the tail end of the super-lift mast 2.4.1 is connected with the main boom 1.6 through a guy rope 1.7, a mast hole of the super-lift mast 2.4.1 is connected with the main mast 2.4.2 through a main guy rope 2.1.1, a mast hole of the super-lift mast 2.4.1 is connected with the super-lift counterweight 3 through a super-lift guy rope 2.1.2, and the super-lift counterweight lifted by the main boom 1.6 is balanced under the functions of the super-lift guy rope 2.1.2, the main guy rope 2.1.1 and the guy rope 1.7.
Referring to fig. 4, the super-lift counterweight 3 includes a tray 3.1 slidably connected to the extension direction of the multifunctional trailer plate 1.1 and a counterweight 3.2 detachably connected to the tray 3.1, and can balance the moment of the crane 2 by installing the counterweights 3.2 of different weights.
Referring to fig. 3, fig. 4 and fig. 8, the multifunctional trailer board 1.1 is provided with a sliding rail 1.3 for sliding connection of the tray 3.1 along the extending direction, one of contact surfaces of the sliding rail 1.3 and the tray 3.1 is provided with an anti-falling buckle 3.4, the other is provided with an anti-falling clamping groove 3.3 which is in sliding clamping with the anti-falling buckle 3.4, referring to fig. 9, in the embodiment, the bottom of the tray 3.1 is provided with the anti-falling buckle 3.4, the tail end of the anti-falling buckle 3.4 forms an anti-falling limiting bulge, the sliding rail 1.3 forms the anti-falling clamping groove 3.3, so that the super-lifting weight 3 can be prevented from being lifted by the pulling board 2.1 when the super-lifting weight 3 is insufficient to balance moment due to faults, and the tail end limiting bulge of the anti-falling buckle 3.4 can slide into the anti-falling clamping groove 3.3 from the opening of the sliding rail 1.3 at the tail end of the multifunctional trailer board 1.1.
The super-lift counterweight 3 is easy to reversely slide when being in a large gradient due to the large weight, and meanwhile, the output power is ensured to be large enough to ensure the efficiency, and referring to fig. 1, the push-pull mechanism 4 comprises a telescopic arm 4.1 and a telescopic oil cylinder 4.2 for driving the telescopic arm 4.1 to stretch along the extending direction of the multifunctional trailer plate 1.1, the telescopic oil cylinder 4.2 is in transmission connection with a hydraulic system of the crane 2 so as to facilitate direct power taking, and two ends of the telescopic arm 4.1 are respectively connected with the tray 3.1 and the multifunctional trailer plate 1.1; the telescopic arm 4.1 is arranged in a double-arm form with two ends respectively hinged with the tray 3.1 and the multifunctional trailer plate 1.1, referring to fig. 13, the telescopic arm 4.1 comprises a movable arm 4.1.2 hinged with the tray 3.1 of the super-lifting counterweight 3 and a fixed arm 4.1.1 connected with the multifunctional trailer plate 1.1, the fixed arm 4.1.1 is rotatably connected with the movable arm 4.1.2, one end of the telescopic cylinder 4.2 is connected with the fixed arm 4.1.1, and the other end is movably connected with the movable arm 4.1.2; the telescopic oil cylinder 4.2 extends out of the telescopic rod to drive the movable arm 4.1.2 to rotate around the fixed arm 4.1.1, and meanwhile, the tail end of the movable arm 4.1.2 pushes or pulls the super-lifting counterweight 3; the telescopic oil cylinder 4.2 is strong in safety, and when the multifunctional trailer plate 1.1 is in a large slope, even if the telescopic oil cylinder 4.2 is excessively loaded and fails, the reverse sliding of the super-lifting counterweight 3 is not easy to occur as long as the oil cylinder shell is intact without hydraulic oil leakage.
Referring to fig. 1, the connection end of the multifunctional trailer plate 1.1 is tightly attached to the bottom surface of the turntable 1.1, so that the structural strength of the connection end is improved, the connection end can be prevented from tilting when the multifunctional trailer plate 1.1 is loaded, the trailer wheel 1.2 is arranged at the tail end of the multifunctional trailer plate 1.1, and when the super-lift counterweight 3 moves to the tail end, the bad moment of the super-lift counterweight 3 to the turntable 1.1 through the multifunctional trailer plate 1.1 can be almost completely eliminated, and the ground grabbing force of the crane 2 is prevented from being reduced; the trolley wheel 1.2 can be arranged as a multi-axle wheel set to increase the contact area with the ground.
In addition to adjusting the moment of the super-lift counterweight 3 to balance the crane 2, the multifunctional trailer plate 1.1 further improves the field transferring capability, referring to fig. 5, the multifunctional trailer plate 1.1 can be used as a mast 2.4, a pull plate 2.1 and a boom 2.5 transfer transportation platform, in order to improve the capability of transporting the boom 2.5, the push-pull mechanism 4 is arranged on the central axis of the multifunctional trailer plate 1.1, the multifunctional trailer plate 1.1 forms spaces for arranging the boom 2.5 of the crane 2 on two sides of the push-pull mechanism 4, the boom 2.5 can be stacked on two sides of the push-pull mechanism 4, the push-pull mechanism 4 is arranged in the gaps of the boom 2.5 on two sides, after the mast 2.4, the pull plate 2.1 and other large-size components such as a binding rope are placed on the multifunctional trailer plate 1.1, the whole crane 2 transfers the components and transports away, and the power box 1.4 of the crane 2 has strong moment output capacity, compared with a common flat-plate transportation vehicle, and the power of the common flat-plate transportation vehicle can better cope with the muddy road and the common flat-plate transportation vehicle has reduced the number.
Referring to fig. 10 and 11, the weight 3.2 is provided with a mounting hole, the tray 3.1 is provided with a weight mounting rod 3.2.1 for inserting a plurality of said weight 3.2 mounting holes, and the weight mounting rod 3.2.1 is mounted Kong Jianrong with the main weight 2.2 of the crane 2; the balancing weight 3.2 with higher density is selected under the condition of maintaining the weight of the super-lifting balancing weight 3, the position for arranging the main balancing weight 2.2 is reserved on the balancing weight mounting rod 3.2.1, and the main balancing weight 2.2 can be temporarily arranged on the balancing weight mounting rod 3.2.1 during transition; the top end of the counterweight mounting rod 3.2.1 is detachably connected with the pull plate 2.1, so that the disassembly is convenient for transferring, and referring to fig. 3 and 4, four counterweight mounting rods 3.2.1 are arranged in the tray 3.1 in a matrix in the embodiment.
In this embodiment, for convenience in carrying, unloading and overhauling the turntable 2.3, referring to fig. 1, the multifunctional trailer board 1.1 forms a lower fold at the rear end of the turntable 2.3 and is flush with the tail end of the vehicle, and the sliding rail 1.3 is arranged at the lower folded part of the multifunctional trailer board 1.1, so that the overturning probability of the super-lifting counterweight 3 is also reduced.
Referring to fig. 2 to 8, most of the power boxes 1.4 of the crane 2 are arranged on the crawler chassis 1.5 of the crane 2, the connecting end of the multifunctional trailer plate 1.1 is in transmission connection with the turntable bearing 2.3.1, the turntable bearing 2.3.1 is detachably connected with the turntable 2.3, the turntable 2.3 is detached during transition to additionally transport the multifunctional trailer plate 1.1, and the part above the crawler chassis 1.5 of the crane 2 is used for transporting scattered parts; one of the connecting end of the multifunctional trailer plate 1.1 and the turntable bearing 2.3.1 is provided with a transmission clamping groove 2.3.3, the other is provided with a transmission clamping buckle 2.3.2 which is detachably clamped with the transmission clamping groove 2.3.3, and when the transmission clamping groove 2.3.3 is clamped with the transmission clamping buckle 2.3.2, the turntable bearing 2.3.1 drives the multifunctional trailer plate 1.1 and the turntable 2.3 to synchronously rotate; in the embodiment, a symmetrical bulge-shaped transmission buckle 2.3.2 is arranged on a turntable bearing 2.3.1, a groove-shaped transmission clamping groove 2.3.3 matched with the bulge-shaped transmission buckle 2.3.2 is arranged in a circle center mounting groove matched with the turntable bearing 2.3.1 in shape at the connecting end of the multifunctional trailer plate 1.1, the transmission clamping groove 2.3.3 is matched with the transmission buckle 2.3.2, the turntable bearing 2.3.1 drives the multifunctional trailer plate 1.1 to synchronously rotate when driving the turntable 2.3 to rotate, and the super-lifting counterweight 3 is slid to the position closest to the turntable 2.3 or the counterweight 3.2 is temporarily dismounted when synchronously rotating, so that the trailer wheel 1.2 can be set into a universal wheel form; after the turntable 2.3, the connecting end of the multifunctional trailer plate 1.1 can be lifted away from the turntable bearing 2.3.1 for maintenance and replacement, and the crane 2 can be used as a common crane.
A transition step: the telescopic oil cylinder 4.2 drives the movable arm 4.2 to push the super-lifting counterweight 3 to the tail end of the sliding rail 1.3, and the super-lifting counterweight 3 is positioned on the trailer wheel 1.2 of the multifunctional trailer plate 1.1; the connection among the parts of the turntable 2.3, the main mast 2.4.2, the main counterweight 2.2, the main arm 1.6, the guy cable 1.7, the super-lift mast 2.4.1, the main pulling plate 2.1.1, the super-lift pulling plate 2.1.2, the super-lift counterweight 3 and the like is released; the turret 2.3 is detached from the turret bearing 2.3.1 and transported away using a separate vehicle; the main arm 1.6 and the super-lift mast 2.4.1 are disassembled into a plurality of sections of arm frames 2.5, referring to fig. 5, the sections of arm frames 2.5 are arranged on the multifunctional trailer plates 1.1 at two sides of the push-pull mechanism 4, the main mast 2.4.2, the guy ropes 1.7, the main pulling plate 2.1.1 and the super-lift pulling plate 2.1.2 can be fixedly arranged at the gap between the arm frames 2.5 or at the top, and the multi-section arm frames 2.5 are well fixed by ropes and canvasses; disassembling the main counterweight 2.2 into blocks, and installing the blocks at the reserved positions of the counterweight installation rods 3.2.1; the crawler chassis 1.5 is used for installing the auxiliary machinery back to the original position after transferring the whole vehicle to the next place.
The self-propelled mast crane provided by the embodiment can be used as a transport platform for the components such as the arm support 2.5, the pull plate 2.1, the mast 2.4 and the like during transition, the characteristic of strong ground grabbing force of the crane 2 is utilized to easily cope with muddy roads and roads with larger gradient, and the push-pull mechanism 4 drives the super-lift counterweight 3 to slide to change balancing moment so as to adapt to lifting operations with different weights; meanwhile, the multifunctional trailer plate 1.1 can be used as a maintenance platform behind the turntable 2.3.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (7)
1. The self-propelled mast crane is characterized by comprising a multifunctional trolley plate (1.1) which rotates synchronously with a turntable (2.3) of the crane (2), wherein the multifunctional trolley plate (1.1) extends along the rear of a mast (2.4) of the crane (2), the connecting end of the multifunctional trolley plate (1.1) is in transmission connection with a turntable bearing (2.3.1), and the turntable bearing (2.3.1) is detachably connected with the turntable (2.3);
the multifunctional trailer board (1.1) is provided with a sliding rail (1.3) along the extending direction, the super-lifting counterweight (3) is in sliding connection with the sliding rail (1.3), and the multifunctional trailer board (1.1) is provided with a push-pull mechanism (4) for driving the super-lifting counterweight (3) to slide;
the push-pull mechanism (4) comprises a movable arm (4.1.2) hinged with the super-lifting counterweight (3) and a fixed arm (4.1.1) connected with the multifunctional trailer plate (1.1), the fixed arm (4.1.1) is rotationally connected with the movable arm (4.1.2), one end of a telescopic oil cylinder (4.2) is connected with the fixed arm (4.1.1) while the other end is movably connected with the movable arm (4.1.2);
the mast (2.4) comprises a main mast (2.4.2) connected with a main counterweight (2.2) and a super-lifting mast (2.4.1) connected with a main arm (1.6) through a stay rope (1.7), a mast hole of the super-lifting mast (2.4.1) is connected with the main mast (2.4.2) through a main pulling plate (2.1.1), and a mast hole of the super-lifting mast (2.4.1) is connected with the super-lifting counterweight (3) through a super-lifting pulling plate (2.1.2).
2. A self-propelled mast crane according to claim 1, characterized in that the super-lift counterweight (3) comprises a pallet (3.1) sliding on the slide rail (1.3) and a counterweight (3.2) detachably connected to the pallet (3.1);
the tail end of the movable arm (4.1.2) is hinged with the tray (3.1).
3. A self-propelled mast crane according to claim 2, wherein one of the slide rail (1.3) and the pallet (3.1) is provided with an anti-drop buckle (3.4), and the other is provided with an anti-drop clamping groove (3.3) which is in sliding clamping connection with the anti-drop buckle (3.4).
4. A self-propelled mast crane according to claim 2, wherein the counterweight (3.2) is provided with mounting holes, the pallet (3.1) is provided with a counterweight mounting rod (3.2.1) into which a plurality of counterweight (3.2) mounting holes are inserted, the counterweight mounting rod (3.2.1) is mounted Kong Jianrong with the main counterweight (2.2) of the crane (2);
the top end of the balancing weight installation rod (3.2.1) is detachably connected with the super-lifting pull plate (2.1.2).
5. A self-propelled mast crane according to claim 3, wherein the connection end of the multifunctional trolley board (1.1) is tightly attached to the bottom surface of the turntable (2.3), and the trailer wheel (1.2) is arranged at the tail end of the multifunctional trolley board (1.1).
6. A self-propelled mast crane according to claim 2, characterized in that the push-pull mechanism (4) is arranged on the central axis of the multifunctional trolley plate (1.1), and the multifunctional trolley plate (1.1) forms spaces for arranging the arm supports (2.5) of the crane (2) on two sides of the push-pull mechanism (4).
7. A self-propelled mast crane according to claim 1, wherein one of the connection end of the multifunctional trolley board (1.1) and the turntable bearing (2.3.1) is provided with a transmission clamping groove (2.3.3), the other is provided with a transmission clamping buckle (2.3.2) which is detachably clamped with the transmission clamping groove (2.3.3), and when the transmission clamping groove (2.3.3) is clamped with the transmission clamping buckle (2.3.2), the turntable bearing (2.3.1) drives the multifunctional trolley board (1.1) to synchronously rotate with the turntable (2.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322195520.XU CN220364289U (en) | 2023-08-16 | 2023-08-16 | Self-propelled mast crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322195520.XU CN220364289U (en) | 2023-08-16 | 2023-08-16 | Self-propelled mast crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220364289U true CN220364289U (en) | 2024-01-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322195520.XU Active CN220364289U (en) | 2023-08-16 | 2023-08-16 | Self-propelled mast crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220364289U (en) |
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2023
- 2023-08-16 CN CN202322195520.XU patent/CN220364289U/en active Active
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