CN210150585U - Hoisting structure of crane - Google Patents
Hoisting structure of crane Download PDFInfo
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- CN210150585U CN210150585U CN201920984740.1U CN201920984740U CN210150585U CN 210150585 U CN210150585 U CN 210150585U CN 201920984740 U CN201920984740 U CN 201920984740U CN 210150585 U CN210150585 U CN 210150585U
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Abstract
The utility model discloses a hoisting structure of crane, including a connecting cylinder, a spherical first connector and a spherical second connector are arranged in the connecting cylinder, the first connector is connected with a connecting rod, one end of the connecting rod, which is far away from the first connector, can slidably pass through the second connector, the connecting rod is perpendicular to the bottom surface of the second connector, the bottom surface of the second connector faces the first connector, a spring is arranged between the first connector and the second connector, and the spring is sleeved on the connecting rod; a circular through hole is formed in one end face of the connecting cylinder, one end, far away from the first connecting body, of the connecting rod extends out of the connecting cylinder through the through hole and is connected with a lifting hook, and a connecting ring used for connecting a rope is arranged on the other end face of the connecting cylinder. The utility model discloses the condition of rocking at reducible lifting hook position, the goods hoist and mount are firm, are difficult for droing, and the security is high.
Description
Technical Field
The utility model relates to a lifting means technical field especially relates to a hoisting structure of hoist.
Background
When the hoisting structure of the crane is used, the hoisted goods are heavy, so that the lifting hook can shake when the vibration occurs, and potential safety hazards are brought. In addition, in the actual hoisting process of the crane, the dangerous situation that the hoisted goods touch other buildings is difficult to avoid, the lifting hook is inclined, the goods on the lifting hook easily fall off, and further dangerous situations are easily caused.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the prior art, the utility model provides a hoisting structure of hoist, the condition of rocking at reducible lifting hook position, the goods hoist and mount are firm, are difficult for droing, and the security is high.
In order to achieve the above object, the utility model adopts the following technical scheme:
a hoisting structure of a crane comprises a hollow cylindrical connecting cylinder, wherein a spherical first connecting body and a spherical second connecting body are arranged in the connecting cylinder, the first connecting body is connected with a connecting rod, one end, far away from the first connecting body, of the connecting rod slidably penetrates through the second connecting body, the connecting rod is perpendicular to the bottom surface of the second connecting body, the bottom surface of the second connecting body faces towards the first connecting body, a spring is arranged between the first connecting body and the second connecting body, and the spring is sleeved on the connecting rod; a circular through hole is formed in one end face of the connecting cylinder, one end, far away from the first connecting body, of the connecting rod extends out of the connecting cylinder through the through hole and is connected with a lifting hook, and a connecting ring for connecting a rope is arranged on the other end face of the connecting cylinder; the diameter of the bottom surface of the second connecting body is larger than the inner diameter of the through hole.
During the hoist and mount, the rope of hoist is connected to the go-between, and the goods is hung on the lifting hook, and during lifting, the spring is by preliminary compression, and this in-process rope atress grow gradually, and until bearing the whole gravity of goods, the rope atress grow gradually can prevent that the rope from collapsing because of sudden stress. In the hoisting process, when the crane vibrates, the spring can offset the vibration through further compression or extension, and the lifting hook is prevented from shaking by a large margin. When the condition of goods collision building appears in the hoist and mount in-process, because the effect of goods gravity, it is perpendicular basically to keep between rope and the connecting cylinder, at this moment, because first connector is spherical, can freely rotate in the connecting cylinder, and the external diameter of connecting rod is less than the internal diameter of through-hole, when the goods inclines because of the collision, first connector takes place corresponding rotation in the connecting cylinder, first connector drives connecting rod and second connector synchronous revolution, the second connector is the segment of a sphere shape, the sphere of second connector supports with the interior port of through-hole and leans on, with the above-mentioned rotary motion of cooperation, make first connector, the whole that connecting rod and second connector are constituteed can incline relative to the connecting cylinder, with the slope of the relative lifting hook of cooperation goods, reduce the possibility that the goods unhook, prevent further expansion of dangerous situation. The utility model discloses a hoisting structure, the safety in utilization is higher.
Preferably, the outer circumferential surface of the first connecting body is in clearance fit with the inner wall of the connecting cylinder.
The sphere diameter of the first connecting body is slightly smaller than the inner diameter of the connecting cylinder, so that the first connecting body can rotate freely in the connecting cylinder, and meanwhile, the first connecting body can be prevented from shaking to a large extent in the connecting cylinder, and the stability of the hoisting process is ensured.
Preferably, the diameter of the bottom surface of the second connecting body is 0.6 to 0.8 times the inner diameter of the connecting cylinder.
Preferably, the inner diameter of the through hole is 0.3 to 0.5 times the diameter of the bottom surface of the second connector.
The diameter of the bottom surface of the second connecting body is 0.6-0.8 times of the inner diameter of the connecting cylinder, the inner diameter of the through hole is 0.3-0.5 times of the diameter of the bottom surface of the second connecting body, when the second connecting body rotates relative to the connecting cylinder, the side edge of the second connecting body can be prevented from being clamped by the through hole, and the smoothness of the whole body formed by the first connecting body, the connecting rod and the second connecting body in rotation is guaranteed.
Preferably, the inner wall of the through hole is a curved surface matched with the spherical segment surface of the second connector.
The inner wall of the through hole is a curved surface matched with the spherical surface of the second connector, so that the smoothness of the whole body formed by the first connector, the connecting rod and the second connector in rotation is further improved.
The utility model has the advantages that:
1. the utility model discloses a hoisting structure sets up the spring between first connector and second connector, when lifting by crane, and the spring is by preliminary compression, and this in-process rope atress grow gradually, until bearing the whole gravity of goods, the rope atress grow gradually can prevent that the rope from collapsing absolutely because of sudden stress.
2. In the hoisting process, when the crane vibrates, the spring can offset the vibration through further compression or extension, and the lifting hook is prevented from shaking by a large margin.
3. When the goods bumps the building and when taking place the slope in hoist and mount in-process, first connector takes place corresponding rotation in the connecting cylinder, first connector drives connecting rod and second connector synchronous revolution, the second connector is the segment of a sphere shape, the sphere of second connector supports with the interior port of through-hole and leans on, with the above-mentioned rotatory action of cooperation, make first connector, the whole that connecting rod and second connector are constituteed can the connecting cylinder slope relatively, with the slope of the relative lifting hook of cooperation goods, reduce the possibility that the goods unhook, prevent further expansion of dangerous situation, safety in utilization is higher.
4. The sphere diameter of the first connecting body is slightly smaller than the inner diameter of the connecting cylinder, so that the first connecting body can rotate freely in the connecting cylinder, and meanwhile, the first connecting body can be prevented from shaking to a large extent in the connecting cylinder, and the stability of the hoisting process is ensured.
5. The diameter of the bottom surface of the second connecting body is 0.6-0.8 times of the inner diameter of the connecting cylinder, the inner diameter of the through hole is 0.3-0.5 times of the diameter of the bottom surface of the second connecting body, when the second connecting body rotates relative to the connecting cylinder, the side edge of the second connecting body can be prevented from being clamped by the through hole, and the smoothness of the whole body formed by the first connecting body, the connecting rod and the second connecting body in rotation is guaranteed.
6. The inner wall of the through hole is a curved surface matched with the spherical surface of the second connector, so that the smoothness of the whole body formed by the first connector, the connecting rod and the second connector in rotation is further improved.
Drawings
Fig. 1 is a schematic view of an internal structure of a hoisting structure of a crane according to embodiment 1 of the present invention when no goods are hoisted;
fig. 2 is a schematic view of an internal structure of the hoisting structure of the crane according to embodiment 1 of the present invention when hoisting goods;
fig. 3 is a schematic structural view of an internal structural view of a hoisting structure of a crane according to embodiment 1 of the present invention when goods incline;
fig. 4 is the schematic view of the internal structure of the hoisting structure of the crane in the case of not hoisting goods according to embodiment 2 of the present invention.
Description of reference numerals:
1. a connecting cylinder; 2. a first connecting body; 3. a second connector; 4. a connecting rod; 5. a spring; 6. a through hole; 7. a hook; 8. and (7) connecting rings.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example (b):
as shown in fig. 1-3, a hoisting structure of a crane includes a hollow cylindrical connecting cylinder 1, a spherical first connecting body 2 and a spherical second connecting body 3 are arranged in the connecting cylinder 1, the first connecting body 2 is connected with a connecting rod 4, the bottom end of the connecting rod 4 slidably passes through the second connecting body 3, the connecting rod 4 is perpendicular to the bottom surface of the second connecting body 3, the bottom surface of the second connecting body 3 is arranged upward, a spring 5 is arranged between the first connecting body 2 and the second connecting body 3, and the spring 5 is sleeved on the connecting rod 4; a circular through hole 6 is formed in the bottom end face of the connecting cylinder 1, the bottom end of the connecting rod 4 extends out of the connecting cylinder 1 through the through hole 6 and is connected with a lifting hook 7, and a connecting ring 8 for connecting a rope is arranged on the top end face of the connecting cylinder 1; the diameter of the bottom surface of the second connecting body 3 is larger than the inner diameter of the through hole 6.
During the hoist and mount, go-between 8 connects the rope of hoist, and the goods is hung on lifting hook 7, when lifting by crane, spring 5 is by preliminary compression, and this in-process rope atress grow gradually, and until bearing the whole gravity of goods, the rope atress grow gradually can prevent that the rope from collapsing because of sudden stress. In the hoisting process, when the crane vibrates, the spring 5 can counteract the vibration through further compression or extension, and the lifting hook 7 is prevented from shaking by a large margin. When goods collide with the building in the hoisting process, the rope and the connecting cylinder 1 are basically kept vertical due to the gravity action of the goods, at the moment, because the first connecting body 2 is spherical and can freely rotate in the connecting cylinder 1, and the outer diameter of the connecting rod 4 is smaller than the inner diameter of the through hole 6, when the goods incline due to collision, the first connecting body 2 correspondingly rotates in the connecting cylinder 1, the first connecting body 2 drives the connecting rod 4 and the second connecting body 3 to synchronously rotate, the second connecting body 3 is in a segment shape, the spherical surface of the second connecting body 3 is abutted against the inner port of the through hole 6, so as to cooperate with the above-mentioned rotation action, the whole body composed of the first connecting body 2, the connecting rod 4 and the second connecting body 3 can be inclined relative to the connecting cylinder 1, so as to match the inclination of the goods relative to the lifting hook 7, reduce the possibility of unhooking the goods and prevent the dangerous situation from further expanding. The utility model discloses a hoisting structure, the safety in utilization is higher.
In another embodiment, as shown in fig. 1-3, the outer peripheral surface of the first connecting body 2 is clearance-fitted to the inner wall of the connecting cylinder 1.
The sphere diameter of the first connecting body 2 is slightly smaller than the inner diameter of the connecting cylinder 1, so that the first connecting body 2 can rotate freely in the connecting cylinder 1, and meanwhile, the first connecting body 2 can not shake in the connecting cylinder 1 to a large extent, and the stability of the hoisting process is ensured.
In another embodiment, the diameter of the bottom surface of the second connector 3 is 0.6 to 0.8 times the inner diameter of the connector barrel 1.
In another embodiment, the inner diameter of the through-hole 6 is 0.3 to 0.5 times the diameter of the bottom surface of the second connector 3.
The diameter of the bottom surface of the second connector 3 is 0.6-0.8 times of the inner diameter of the connecting cylinder 1, the inner diameter of the through hole 6 is 0.3-0.5 times of the diameter of the bottom surface of the second connector 3, when the second connector 3 rotates relative to the connecting cylinder 1, the side edge of the second connector 3 can be prevented from being clamped by the through hole 6, and the smoothness of the whole body formed by the first connector 2, the connecting rod 4 and the second connector 3 in the rotation process is guaranteed.
As shown in fig. 4, in another embodiment, the inner wall of the through hole 6 is a curved surface matching with the spherical segment surface of the second connector 3, so as to further improve the smoothness of the whole body composed of the first connector 2, the connecting rod 4 and the second connector 3 during rotation.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (5)
1. A hoisting structure of a crane is characterized by comprising a hollow cylindrical connecting cylinder, wherein a spherical first connecting body and a spherical second connecting body are arranged in the connecting cylinder, the first connecting body is connected with a connecting rod, one end of the connecting rod, which is far away from the first connecting body, slidably penetrates through the second connecting body, the connecting rod is perpendicular to the bottom surface of the second connecting body, the bottom surface of the second connecting body faces the first connecting body, and a spring sleeved on the connecting rod is arranged between the first connecting body and the second connecting body; a circular through hole is formed in one end face of the connecting cylinder, one end, far away from the first connecting body, of the connecting rod extends out of the connecting cylinder through the through hole and is connected with a lifting hook, and a connecting ring for connecting a rope is arranged on the other end face of the connecting cylinder; the diameter of the bottom surface of the second connecting body is larger than the inner diameter of the through hole.
2. The hoisting structure of a crane according to claim 1, wherein the outer circumferential surface of the first connecting body is in clearance fit with the inner wall of the connecting cylinder.
3. The hoisting structure of crane according to claim 2, wherein the diameter of the bottom surface of the second connecting body is 0.6-0.8 times the inner diameter of the connecting cylinder.
4. The hoisting structure of crane according to claim 3, wherein the inner diameter of the through hole is 0.3 to 0.5 times the diameter of the bottom surface of the second connecting body.
5. The hoisting structure of the crane according to any one of claims 1 to 4, wherein the inner wall of the through hole is a curved surface fitted with the spherical segment surface of the second connecting body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920984740.1U CN210150585U (en) | 2019-06-27 | 2019-06-27 | Hoisting structure of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920984740.1U CN210150585U (en) | 2019-06-27 | 2019-06-27 | Hoisting structure of crane |
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| Publication Number | Publication Date |
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| CN210150585U true CN210150585U (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920984740.1U Active CN210150585U (en) | 2019-06-27 | 2019-06-27 | Hoisting structure of crane |
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| CN (1) | CN210150585U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112456310A (en) * | 2020-12-14 | 2021-03-09 | 中国科学院沈阳自动化研究所 | Light slewing mechanism for hoisting heavy equipment |
| CN114644287A (en) * | 2022-05-19 | 2022-06-21 | 河南师范大学 | Anti-rotation positioning device for lifting hook |
-
2019
- 2019-06-27 CN CN201920984740.1U patent/CN210150585U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112456310A (en) * | 2020-12-14 | 2021-03-09 | 中国科学院沈阳自动化研究所 | Light slewing mechanism for hoisting heavy equipment |
| CN112456310B (en) * | 2020-12-14 | 2024-05-17 | 中国科学院沈阳自动化研究所 | Light slewing mechanism for hoisting heavy equipment |
| CN114644287A (en) * | 2022-05-19 | 2022-06-21 | 河南师范大学 | Anti-rotation positioning device for lifting hook |
| CN114644287B (en) * | 2022-05-19 | 2022-08-09 | 河南师范大学 | Anti-rotation positioning device for lifting hook |
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