CN210416360U - Vehicle-mounted crane - Google Patents
Vehicle-mounted crane Download PDFInfo
- Publication number
- CN210416360U CN210416360U CN201921208039.7U CN201921208039U CN210416360U CN 210416360 U CN210416360 U CN 210416360U CN 201921208039 U CN201921208039 U CN 201921208039U CN 210416360 U CN210416360 U CN 210416360U
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- Prior art keywords
- supporting
- portal frame
- folding
- truss
- unfolding
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- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 230000003137 locomotive effect Effects 0.000 claims abstract description 9
- 230000007306 turnover Effects 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a truck-mounted crane belongs to machineshop car technical field, including drawing locomotive and trailer platform, the trailer platform is connected in the rear portion of drawing the locomotive, its characterized in that: comprises a vehicle-mounted gantry hoisting device; the vehicle-mounted gantry hoisting device comprises a gantry, a truss, driving wheels, a driving motor, a driving wheel shaft, an electric hoist, a folding and unfolding supporting mechanism and supporting wheels; portal frames are symmetrically arranged at the left side part and the right side part of the trailer platform, a truss for connecting the two upper beams is arranged between the upper beams of the two portal frames, an electric hoist is arranged on the truss and can move along the length direction of the truss, the lower end of a front upright post of the portal frame is provided with a driving wheel through a driving wheel shaft, the lower end of a rear upright post of the portal frame is provided with a folding and unfolding supporting mechanism, the lower end of the folding and unfolding supporting mechanism is provided with a supporting wheel, and a supporting plate is arranged on the rear upright post of; the rear part of the trailer platform is provided with a supporting plate for supporting the supporting plate. The utility model discloses machineshop car simple structure, work efficiency height, stability are strong.
Description
Technical Field
The utility model belongs to the technical field of the engineering transportation equipment, especially, relate to a truck-mounted crane.
Background
At present, a transport vehicle only has a transportation function, and a truck-mounted crane is lifting engineering equipment with a moving function. At present, the engineering vehicle which has the functions of transportation and hoisting is fresh in the market. The general army of the engineering truck with the two functions is a lifting arm type, and the lifting arm type crane truck must ensure that the center of gravity is stable during working, so that the supporting mechanism for center of gravity compensation is required to be provided, and the working efficiency of the engineering truck can be influenced to a certain extent by the folding and unfolding of the supporting mechanism. In addition, the structure of the existing suspension arm type vehicle-mounted hoisting device is complex, the whole weight of a vehicle beam can be increased, the vehicle space can be occupied to a great extent, and the bearing capacity of the vehicle is limited. Moreover, the requirement on the range of the moving space of the traditional vehicle-mounted hoisting device is large, so that the vehicle beam is not provided with a side structure for protection, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model provides a solve current vehicle-mounted crane car work efficiency, the complicated scheduling problem of structure vehicle-mounted crane.
The utility model discloses a realize like this, a truck-mounted crane, including drawing locomotive and trailer platform, the trailer platform connect in draw the rear portion of locomotive, its characterized in that: comprises a vehicle-mounted gantry hoisting device;
the vehicle-mounted gantry hoisting device comprises a gantry, a truss, driving wheels, a driving motor, a driving wheel shaft, an electric hoist, a folding and unfolding supporting mechanism and supporting wheels; the portal frames are symmetrically arranged at the left side part and the right side part of the trailer platform, the truss for connecting the two upper beams is arranged between the upper beams of the two portal frames, the electric block is arranged on the truss and can move movably along the length direction of the truss, the driving wheels are arranged at the lower end of a front upright post of the portal frame through the driving wheel shaft, the folding and unfolding supporting mechanism is arranged at the lower end of a rear upright post of the portal frame, the supporting wheels are arranged at the lower end of the folding and unfolding supporting mechanism, and a supporting plate is arranged on the rear upright post of the portal frame; and a supporting plate for supporting the supporting plate is arranged at the rear part of the trailer platform.
Vehicle-mounted crane car has the portal frame that can follow the rear of trailer platform and stretch out, when portal frame moves to rear extreme position, the great locomotive that pulls of weight can regard as the weight compensation part, guarantees that the whole focus of machineshop car is stable, removes focus adjusting device from can, simple structure and efficient.
Compared with the traditional suspension arm, the gantry type hoisting structure has the advantages of simple structure and small occupied space, and can ensure the bearing capacity of the engineering truck.
The portal frame is located the trailer platform left and right sides, can enclose to constitute and protect the side fence, improves the security of machineshop car.
In the above technical solution, preferably, the portal frame is provided with a net blocking frame arranged on the same plane as the portal frame.
In the above technical scheme, preferably, the folding and unfolding support mechanism includes a roll-over shaft, a roll-over stand and a roll-over hydraulic rod, the upper end of the roll-over stand is connected with the lower end of a rear upright post of the portal frame through the roll-over shaft, the support wheels are installed at the lower end of the roll-over stand, a cylinder body of the roll-over hydraulic rod is hinged to a horizontal support at the lower part of the rear upright post of the portal frame, and the front end of a cylinder rod of the roll-over hydraulic rod is hinged to the roll-over stand.
The folding and unfolding support mechanism comprises a vertical hydraulic cylinder, a cylinder body of the vertical hydraulic cylinder is fixed to the lower portion of a stand column at the rear portion of the portal frame, the vertical hydraulic cylinder is provided with a cylinder rod capable of vertically extending downwards, and the support wheels are mounted at the lower end of the cylinder rod.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Drawing, 1, towing a locomotive; 2. a trailer platform; 3. a vehicle-mounted gantry hoisting device; 3-1, comprising a portal frame; 3-2, trusses; 3-3, driving wheels; 3-4, driving a motor; 3-5, driving the wheel shaft; 3-6, electric hoist; 3-7, supporting wheels; 3-8, a turnover shaft; 3-9, a roll-over stand; 3-10, turning over a hydraulic rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
For solving the defects such as current on-vehicle crane car work efficiency, structure complicacy, the utility model particularly provides an on-vehicle crane, this transport vechicle with hoisting function simple structure, efficient, and the security performance is high. For further explanation of the structure of the present invention, the following detailed description is made with reference to the accompanying drawings:
example one
Referring to fig. 1, a truck-mounted crane includes a tractor head 1 and a trailer platform 2 connected to a rear portion of the tractor head.
Comprises a vehicle-mounted gantry hoisting device 3. The vehicle-mounted gantry hoisting device comprises a gantry frame 3-1, a truss 3-2, driving wheels 3-3, a driving motor 3-4, a driving wheel shaft 3-5, an electric hoist 3-6, a folding and unfolding supporting mechanism and supporting wheels 3-7. Electric hoists are well known devices in the mechanical field. The portal frame is a frame body formed by two upright posts and an upper beam connected between the two upright posts.
The left and right sides portion symmetry of trailer platform is provided with the portal frame, be provided with between the upper beam of two portal frames and connect two upper beams the truss, in this embodiment, the both ends of truss weld respectively on the upper beam of two portal frames, and the truss is close to the front column setting of portal frame.
The electric hoist is installed on the truss and can move movably along the length direction of the truss. As well known to those skilled in the mechanical arts, the electric hoist is generally provided with wheels for sliding, and in this embodiment, the electric hoist is mounted on the truss through the wheels, so that the electric hoist can move along the length direction of the truss.
The lower end of the front upright post of the portal frame is provided with the driving wheels through the driving wheel shaft, wheel grooves matched with the driving wheels are arranged at the two sides of the trailer platform, and the driving wheels can move movably along the wheel grooves so that the portal frame can extend out of the rear part of the trailer platform.
The lower end of a rear upright post of the portal frame is provided with the folding and unfolding supporting mechanism which is a mechanical mechanism with a folding function for supporting the rear part of the portal frame. The lower end of the folding and unfolding supporting mechanism is provided with a supporting wheel, and a supporting plate is arranged on a rear upright post of the portal frame; and a supporting plate for supporting the supporting plate is arranged at the rear part of the trailer platform. After the folding and unfolding supporting mechanism is folded, the lower part of the portal frame can be supported by supporting the supporting plate through the supporting plate. During design, the horizontal height of the supporting plate is required to be lower than that of the supporting plate.
Under the state that the engineering truck does not implement the lifting function, the supporting plate supports the supporting plate, the portal frame is close to the traction head of the engineering truck to the maximum extent, the folding and unfolding supporting mechanism is folded, and the rear part of the portal frame is supported by the trailer platform.
When the engineering truck works for hoisting, the folding and unfolding supporting mechanism is unfolded, the supporting wheels support the ground and enable the supporting plates to be separated from the supporting plates, the wheels are driven to rotate to enable the portal frame to extend out of the waiting space of the trailer platform, and the hoisting mechanism with large waiting space stroke coverage area of the trailer platform can directly hoist and deliver goods to the trailer platform and can also be used for hoisting, towing and transporting, and the towing head provides power.
Vehicle-mounted crane car has the portal frame that can follow the rear of trailer platform and stretch out, when the portal frame moves to waiting for the side extreme position, the great locomotive that pulls of weight can regard as the weight compensation part, guarantees that the whole focus of machineshop car is stable, removes focus adjusting device from can, simple structure and efficient. Compared with the traditional suspension arm, the gantry type hoisting structure has the advantages of simple structure and small occupied space, and can ensure the bearing capacity of the engineering truck.
The portal frame is located the trailer platform left and right sides, in this embodiment, install on the portal frame with the blocking frame that the portal frame coplanar set up can enclose and constitute the protection side fence, improves the security of machineshop car.
In this embodiment, the folding and unfolding support mechanism comprises a turning shaft 3-8, a turning frame 3-9 and a turning hydraulic rod 3-10, the upper end of the turning frame is connected with the lower end of a rear upright post of the portal frame through the turning shaft, the support wheels are installed at the lower end of the turning frame, a cylinder body of the turning hydraulic rod is hinged to a horizontal support at the lower part of the rear upright post of the portal frame, and the front end of a cylinder rod of the turning hydraulic rod is hinged to the turning frame.
Example two
The folding and unfolding support mechanism comprises a vertical hydraulic cylinder, a cylinder body of the vertical hydraulic cylinder is fixed to the lower portion of a stand column at the rear portion of the portal frame, the vertical hydraulic cylinder is provided with a cylinder rod capable of vertically extending downwards, and the support wheels are mounted at the lower end of the cylinder rod.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. The utility model provides a truck-mounted crane, is including drawing locomotive and trailer platform, the trailer platform connect in draw the rear portion of locomotive, its characterized in that: comprises a vehicle-mounted gantry hoisting device;
the vehicle-mounted gantry hoisting device comprises a gantry, a truss, driving wheels, a driving motor, a driving wheel shaft, an electric hoist, a folding and unfolding supporting mechanism and supporting wheels;
the portal frames are symmetrically arranged at the left side part and the right side part of the trailer platform, the truss for connecting the two upper beams is arranged between the upper beams of the two portal frames, the electric block is arranged on the truss and can move movably along the length direction of the truss, the driving wheels are arranged at the lower end of a front upright post of the portal frame through the driving wheel shaft, the folding and unfolding supporting mechanism is arranged at the lower end of a rear upright post of the portal frame, the supporting wheels are arranged at the lower end of the folding and unfolding supporting mechanism, and a supporting plate is arranged on the rear upright post of the portal frame;
and a supporting plate for supporting the supporting plate is arranged at the rear part of the trailer platform.
2. The truck mounted crane of claim 1, wherein: and a net blocking frame which is arranged on the same plane as the portal frame is arranged on the portal frame.
3. The truck mounted crane of claim 1, wherein: the folding and unfolding support mechanism comprises a turnover shaft, a turnover frame and a turnover hydraulic rod, the upper end of the turnover frame is connected with the lower end of a rear upright post of the portal frame through the turnover shaft, the lower end of the turnover frame is provided with the support wheels, a cylinder body of the turnover hydraulic rod is hinged to a horizontal support at the lower part of the rear upright post of the portal frame, and the front end of a cylinder rod of the turnover hydraulic rod is hinged to the turnover frame.
4. The truck mounted crane of claim 1, wherein: the folding and unfolding support mechanism comprises a vertical hydraulic cylinder, a cylinder body of the vertical hydraulic cylinder is fixed to the lower portion of a stand column at the rear portion of the portal frame, the vertical hydraulic cylinder is provided with a cylinder rod capable of vertically extending downwards, and the support wheels are mounted at the lower end of the cylinder rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921208039.7U CN210416360U (en) | 2019-07-28 | 2019-07-28 | Vehicle-mounted crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921208039.7U CN210416360U (en) | 2019-07-28 | 2019-07-28 | Vehicle-mounted crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210416360U true CN210416360U (en) | 2020-04-28 |
Family
ID=70383461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921208039.7U Expired - Fee Related CN210416360U (en) | 2019-07-28 | 2019-07-28 | Vehicle-mounted crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210416360U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303970A (en) * | 2019-07-28 | 2019-10-08 | 天津市双象工程液压件有限责任公司 | A kind of crane truck |
-
2019
- 2019-07-28 CN CN201921208039.7U patent/CN210416360U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303970A (en) * | 2019-07-28 | 2019-10-08 | 天津市双象工程液压件有限责任公司 | A kind of crane truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200428 |