CN210103327U - Hydraulic telescopic crane - Google Patents
Hydraulic telescopic crane Download PDFInfo
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- CN210103327U CN210103327U CN201920930319.2U CN201920930319U CN210103327U CN 210103327 U CN210103327 U CN 210103327U CN 201920930319 U CN201920930319 U CN 201920930319U CN 210103327 U CN210103327 U CN 210103327U
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- telescopic
- wheel
- arm
- telescopic arm
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Abstract
The utility model discloses a hydraulic telescopic crane, which comprises a base, a crane body and a telescopic arm, wherein the crane body is rotationally connected with the base, the telescopic arm is hinged with the crane body, and a second luffing cylinder is hinged between the telescopic arm and the crane body; one end of the telescopic arm is connected with a hanging wheel mechanism; the lifting wheel mechanism comprises a main lifting wheel, an auxiliary wheel, a wheel body frame, a connecting rod and a telescopic rod, wherein the two ends of the connecting rod are respectively connected with the main lifting wheel and the auxiliary wheel in a rotating mode, the main lifting wheel is further connected with the wheel body frame in a rotating mode, the wheel body frame is fixedly connected to the end face of the telescopic arm, and the two ends of the telescopic rod are respectively hinged with the telescopic arm and the auxiliary wheel. A hydraulic telescopic crane can eliminate the influence of flexible arm to the hawser after changing its length.
Description
Technical Field
The utility model relates to a hoist especially relates to a hydraulic telescoping crane who is fit for ship.
Background
The crane is a mechanical device which is installed on a deck and has large volume. A crane mounted on the vessel can assist in the transfer of cargo on the vessel. After all, however, the space on board the vessel is limited and there is a certain influence on the balance of the hull if the boom of the marine crane is too long. Therefore, cranes having telescopic arms are often used on ships. The telescopic arm has a certain influence on the tension of the cable when being extended or shortened.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the deficiencies in the prior art, the utility model provides a hydraulic telescopic crane to eliminate the influence of flexible arm to the hawser after changing its length.
The technical scheme is as follows: in order to achieve the purpose, the hydraulic telescopic crane comprises a telescopic arm, wherein one end of the telescopic arm is hinged with a machine body, and the other end of the telescopic arm is connected with a hanging wheel mechanism; the lifting wheel mechanism comprises a main lifting wheel, an auxiliary wheel, a wheel body frame, a connecting rod and a telescopic rod, wherein the two ends of the connecting rod are respectively connected with the main lifting wheel and the auxiliary wheel in a rotating mode, the main lifting wheel is further connected with the wheel body frame in a rotating mode, the wheel body frame is fixedly connected to the end face of the telescopic arm, and the two ends of the telescopic rod are respectively hinged with the telescopic arm and the auxiliary wheel.
Further, the telescopic arm comprises a first telescopic part and a second telescopic part; the second telescopic part is connected inside the first telescopic part in a sliding mode, one end of the second telescopic part extends out of the first telescopic part and is connected with the telescopic end of the first variable amplitude oil cylinder, and the fixed end of the first variable amplitude oil cylinder is connected with the first telescopic part.
Furthermore, the both sides face of second pars contractilis is provided with the guide rail groove, the side swivelling joint of first pars contractilis has the gyro wheel, gyro wheel sliding connection is in the guide rail groove.
Furthermore, the side of the first telescopic part is provided with a limiting groove, and the side of the second telescopic part is rotatably connected with a limiting wheel.
Furthermore, two ends of the limiting groove are connected with buffering pads.
And the two ends of the second amplitude-variable oil cylinder are respectively hinged with the machine body and the telescopic arm.
The utility model has the advantages as follows: the utility model provides a hydraulic telescopic crane, is provided with and hangs wheel mechanism, hangs the relative position between wheel mechanism's auxiliary wheel and the main hanging wheel and can adjust through the telescopic link, after telescopic boom changes its length, can adjust the length of telescopic boom and change the relative position between auxiliary wheel and the main hanging wheel, guarantees hawser tensioning to suitable state.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
fig. 3 is a schematic structural view of a hanging wheel mechanism of the present invention;
fig. 4 is a structural sectional view of the telescopic boom of the present invention;
fig. 5 is a schematic structural view of the limiting groove and the limiting wheel in cooperation.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The hydraulic telescopic crane as shown in the attached figures 1 to 5 comprises a telescopic boom 1, a machine body 19, a base 16 and a second luffing cylinder 15; the base 16 is installed on a ship body, the machine body 19 is rotatably connected with the base 16 through a slewing gear, the telescopic boom 1 comprises a first telescopic part 7 and a second telescopic part 8, the second telescopic part 8 is slidably connected inside the first telescopic part 7, the tail end of the first telescopic part 7 is rotatably connected with the top end of the machine body 19, the top end of the second telescopic part 8 is connected with a hanging wheel mechanism, and two ends of the second variable amplitude oil cylinder 15 are respectively hinged with the machine body 19 and the first telescopic part 7; the rotation angle of the telescopic boom 1 around the machine body 19 can be adjusted by changing the length of the second luffing cylinder 15, so that the flexibility of the device is improved.
Hang wheel mechanism and include main hanging wheel 2, auxiliary wheel 3, wheel body frame 4, connecting rod 5 and telescopic link 6, wherein telescopic link 6 adopts the pneumatic cylinder, the both ends of connecting rod 5 respectively with main hanging wheel 2 and auxiliary wheel 3 swivelling joint, main hanging wheel 2 still with wheel body frame 4 swivelling joint, wheel body frame 4 fixed connection is in the terminal surface of flexible arm 1, the both ends of telescopic link 6 are articulated with flexible arm 1 and auxiliary wheel 3 respectively. And the first telescopic part 7 is fixedly connected with an electric cable car 17, one end of a cable is fixed with the electric cable car 17, and the other end of the cable bypasses the main hoisting wheel 2 and the auxiliary wheel 3 and is connected with a lifting hook 18. The length of adjusting telescopic link 6 can adjust the position relation between main hanging wheel 2 and the supplementary hanging wheel 3 to guarantee that the hawser can be adjusted to suitable tensioning state.
One end of the second telescopic part 8 extends out of the first telescopic part 7 and is connected with the telescopic end of the first luffing cylinder 9, and the fixed end of the first luffing cylinder 9 is connected with the first telescopic part 7.
The specific connection mode of the first expansion part 7 and the second expansion part 8 is as follows: the both sides face of second pars contractilis 8 is provided with guide rail groove 10, the side swivelling joint of first pars contractilis 7 has gyro wheel 11, gyro wheel 11 sliding connection is in guide rail groove 10.
The side of the first telescopic part 7 is provided with a limiting groove 12, the side of the second telescopic part 8 is rotatably connected with a limiting wheel 13, and two ends of the limiting groove 12 are connected with cushion pads 14. The buffer pad 14 is made of rubber.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (6)
1. A hydraulic telescopic crane, characterized in that: the device comprises a telescopic arm (1), wherein one end of the telescopic arm (1) is hinged with a machine body (19), and the other end of the telescopic arm is connected with a hanging wheel mechanism; the hanging wheel mechanism comprises a main hanging wheel (2), an auxiliary wheel (3), a wheel body frame (4), a connecting rod (5) and a telescopic rod (6), wherein the two ends of the connecting rod (5) are respectively connected with the main hanging wheel (2) and the auxiliary wheel (3) in a rotating mode, the main hanging wheel (2) is further connected with the wheel body frame (4) in a rotating mode, the wheel body frame (4) is fixedly connected to the end face of the telescopic arm (1), and the two ends of the telescopic rod (6) are respectively hinged to the telescopic arm (1) and the auxiliary wheel (3).
2. A hydraulic telescopic crane according to claim 1, characterized in that: the telescopic arm (1) comprises a first telescopic part (7) and a second telescopic part (8); the second telescopic part (8) is connected to the inside of the first telescopic part (7) in a sliding mode, one end of the second telescopic part (8) extends out of the first telescopic part (7) to be connected with the telescopic end of the first amplitude-variable oil cylinder (9), and the fixed end of the first amplitude-variable oil cylinder (9) is connected with the first telescopic part (7).
3. A hydraulic telescopic crane according to claim 2, characterized in that: the both sides face of second pars contractilis (8) is provided with guide rail groove (10), the side swivelling joint of first pars contractilis (7) has gyro wheel (11), gyro wheel (11) sliding connection is in guide rail groove (10).
4. A hydraulic telescopic crane according to claim 2, characterized in that: the side of the first telescopic part (7) is provided with a limiting groove (12), and the side of the second telescopic part (8) is rotatably connected with a limiting wheel (13).
5. A hydraulic telescopic crane according to claim 4, characterized in that: the two ends of the limiting groove (12) are connected with cushion pads (14).
6. A hydraulic telescopic crane according to claim 1, characterized in that: the hydraulic lifting device further comprises a second variable amplitude oil cylinder (15), and two ends of the second variable amplitude oil cylinder (15) are hinged with the machine body (19) and the telescopic arm (1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920930319.2U CN210103327U (en) | 2019-06-20 | 2019-06-20 | Hydraulic telescopic crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920930319.2U CN210103327U (en) | 2019-06-20 | 2019-06-20 | Hydraulic telescopic crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210103327U true CN210103327U (en) | 2020-02-21 |
Family
ID=69564750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920930319.2U Active CN210103327U (en) | 2019-06-20 | 2019-06-20 | Hydraulic telescopic crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210103327U (en) |
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2019
- 2019-06-20 CN CN201920930319.2U patent/CN210103327U/en active Active
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