CN216426579U - Hoisting device and rotary drilling rig - Google Patents
Hoisting device and rotary drilling rig Download PDFInfo
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- CN216426579U CN216426579U CN202123199775.0U CN202123199775U CN216426579U CN 216426579 U CN216426579 U CN 216426579U CN 202123199775 U CN202123199775 U CN 202123199775U CN 216426579 U CN216426579 U CN 216426579U
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Abstract
The winding device comprises a winding drum and a steel rope, wherein the winding drum comprises an inner layer rope carrying cylinder and an outer layer rope carrying cylinder, the outer diameter of the outer layer rope carrying cylinder is larger than that of the inner layer rope carrying cylinder, the length of the outer layer rope carrying cylinder is larger than that of the inner layer rope carrying cylinder, a fixed end section of the steel rope is wound on the inner layer rope carrying cylinder, and a free end section of the steel rope is wound on the outer layer rope carrying cylinder. The utility model discloses a hoisting device has increased steel cable high frequency and has used length, can satisfy most operating mode requirements, has prolonged the life of steel cable. The utility model discloses still relate to a dig the rig soon.
Description
Technical Field
The utility model relates to a construction equipment technical field, in particular to hoisting device and dig rig soon.
Background
At present, a hoisting device used on a rotary drilling rig is a common hoisting device, a special hoisting device used under the rotary drilling working condition is not needed, and the hoisting device of the rotary drilling rig has two characteristics during working:
1. when drilling, the winch transfers the drill rod downwards through the steel wire rope to drill holes, then lifts the drill rod to the outside of the hole opening to pour soil (discharge slag), and because the soil pouring process is carried out during each time of drilling, the steel wire rope is wound on the section of the steel wire rope (the section is used most frequently, the rope section with the most complex stress is defined as the rope section at the hole opening) of the upper roller when the drill bucket lifts the hole opening to pour soil is used most frequently, and bears the impact force during soil pouring, the working condition is worst, and the section of the steel wire rope is damaged at first;
2. during drilling, the winch transfers the drill rod to drill through the steel wire rope, the drill rod is segmented, after the drill rod is placed for a certain distance, the weight of the drill rod can be borne on the power head by one segment, the hoisting force of the winch is gradually reduced, the hoisting force of the winch tends to be smaller as the required hoisting force is deeper, and the working condition is better.
The common hoisting device does not optimize the design and installation design of the roller according to the two characteristics, and the orifice rope section on the common hoisting device is wound on the 2 nd layer (even the 3 rd layer and other layers), so the occlusion and abrasion between the rope of the orifice rope section and the rope are severe, and the service life of the steel wire rope is short.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a hoisting device has increased steel cable high frequency use length, can satisfy most operating mode requirements, has prolonged the life of steel cable.
The winding device comprises a winding drum and a steel rope, wherein the winding drum comprises an inner layer rope carrying cylinder and an outer layer rope carrying cylinder, the outer diameter of the outer layer rope carrying cylinder is larger than that of the inner layer rope carrying cylinder, the length of the outer layer rope carrying cylinder is larger than that of the inner layer rope carrying cylinder, a fixed end section of the steel rope is wound on the inner layer rope carrying cylinder, and a free end section of the steel rope is wound on the outer layer rope carrying cylinder.
In an embodiment of the present invention, the length of the outer rope carrying cylinder is n times of the length of the inner rope carrying cylinder, and n is greater than or equal to 2.
In an embodiment of the present invention, the inner rope carrying cylinder is wound with a plurality of layers of the steel rope, and the outer rope carrying cylinder is wound with a single layer of the steel rope.
In an embodiment of the present invention, the inner rope carrying cylinder is provided with a double-twisted rope groove for accommodating the steel rope, and the outer rope carrying cylinder is provided with a helical rope groove for accommodating the steel rope.
The utility model discloses an in the embodiment, above-mentioned outer rope carrying cylinder is close to the tip of inlayer rope carrying cylinder is equipped with the transition grooving, the transition grooving connect in double-fold line grooving with between the helix grooving.
In an embodiment of the present invention, when the winding device works, the axis of the winding drum is parallel to the horizontal plane.
In the embodiment of the present invention, the included angle between the double-fold rope grooves is 4 to 8 °.
In an embodiment of the present invention, the inner portion of the outer rope carrying cylinder is provided with a rope end fixing portion, the end portion of the outer rope carrying cylinder close to the inner rope carrying cylinder is provided with a rope outlet, the rope end of the steel rope is fixedly connected to the rope end fixing portion, and the steel rope passes through the rope outlet and is sequentially wound on the inner rope carrying cylinder and the outer rope carrying cylinder.
The utility model discloses an in the embodiment, above-mentioned hoisting device still includes speed reducer and engine, the output shaft of engine with the speed reducer is connected, the output shaft of speed reducer with the reel is connected.
The utility model discloses still relate to a dig rig soon, including foretell hoisting device.
The utility model discloses a free end section winding of hoist device's steel cable is on outer rope carrying section of thick bamboo, and the length of outer rope carrying section of thick bamboo is greater than the length of inlayer rope carrying section of thick bamboo, has increased steel cable high frequency and has used length, can satisfy most of operating mode requirements, has prolonged the life of steel cable.
Drawings
Fig. 1 is a schematic top view of a winding drum of a hoist according to the present invention;
fig. 2 is a schematic top view of a winding drum of the winding device of the present invention;
fig. 3 is a schematic sectional view of the winding drum of the winding device of the present invention.
Detailed Description
The utility model provides a hoisting device.
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
In order to facilitate understanding of those skilled in the art, the present invention provides a specific implementation process of the technical solution provided by the present invention through the following embodiments.
Fig. 1 is the top view structure schematic diagram of the winding drum of the winding device of the present invention when winding the steel rope, fig. 2 is the top view structure schematic diagram of the winding drum of the winding device of the present invention, fig. 3 is the cross-sectional structure schematic diagram of the winding drum of the winding device of the present invention, please refer to fig. 1 to 3, the winding device includes the winding drum 11 and the steel rope 12, the winding drum 11 includes the inner layer rope carrying drum 111 and the outer layer rope carrying drum 112, the outer diameter of the outer layer rope carrying drum 112 is greater than the outer diameter of the inner layer rope carrying drum 111, the length L2 of the outer layer rope carrying drum 112 is greater than the length L1 of the inner layer rope carrying drum 111, the fixed winding of the steel rope 12 is on the inner layer rope carrying drum 111, and the free end section winding of the steel rope 12 is on the outer layer rope carrying drum 112.
The utility model discloses a free end section winding of hoist device's steel cable 12 is on outer year rope drum 112, and the length L2 of outer year rope drum 112 is greater than the length L1 of inlayer year rope drum 111, has increased steel cable 12 high frequency use length, can satisfy most operating mode requirements, has prolonged the life of steel cable 12.
Alternatively, as shown in fig. 2 and 3, the length L2 of the outer layer rope carrying drum 112 is n times the length L1 of the inner layer rope carrying drum 111, n is greater than or equal to 2, for example, n is 2.5, 2.8, 3, 3.2, and can be freely designed according to actual needs.
Alternatively, as shown in fig. 1, the inner layer rope carrier 111 is wound with a multi-layer steel rope 12, and the outer layer rope carrier 112 is wound with a single-layer steel rope 12. In this embodiment, two or more layers of steel ropes 12 are wound around the inner layer rope carrying drum 111, and the steel ropes 12 can smoothly transit into the outer layer rope carrying drum 112 after the inner layer rope carrying drum 111 is wound with multiple layers; moreover, the steel ropes 12 are wound on the outer layer rope carrying drum 112 in a single layer, so that the meshing abrasion between the steel ropes 12 can be avoided, and the service life of the steel ropes 12 can be prolonged.
Alternatively, as shown in fig. 2 and 3, the layer rope carrying cylinder 111 is provided with a double-twisted rope groove 101 for accommodating the steel rope 12, and the outer layer rope carrying cylinder 112 is provided with a helical rope groove 102 for accommodating the steel rope 12. In the present embodiment, the double-twisted rope grooves 101 on the inner layer rope carrying cylinder 111 and the spiral rope grooves 102 on the outer layer rope carrying cylinder 112 can ensure the smooth rope arrangement of the steel rope 12.
Optionally, as shown in fig. 2, the end of the outer layer rope carrying drum 112 close to the inner layer rope carrying drum 111 is provided with a transition rope groove 103, and the transition rope groove 103 is connected between the double-twisted rope groove 101 and the helical rope groove 102.
Alternatively, when the hoisting device is in operation, the axis of the winding drum 11 is parallel to the horizontal plane, and the winding drum 11 arranged horizontally is more favorable for rope arrangement.
Optionally, the included angle a between the double-fold line grooves 101 is 4 ° to 8 °, for example, 5 °, 6 °, 7 °.
Alternatively, as shown in fig. 2 and 3, a rope end fixing portion 113 is provided inside the outer-layer rope carrying drum 112, the end portion of the outer-layer rope carrying drum 112 close to the inner-layer rope carrying drum 111 is provided with a rope outlet 104, the rope end fixing portion 113 of the steel rope 12 is connected to the rope end fixing portion 113, and the steel rope 12 is threaded out from the rope outlet 104 and is sequentially wound on the inner-layer rope carrying drum 111 and the outer-layer rope carrying drum 112.
Optionally, the winding device further includes a speed reducer (not shown) and an engine (not shown), an output shaft of the engine is connected to the speed reducer, and an output shaft of the speed reducer is connected to the winding drum 11.
Alternatively, the inner rope carrier 111 and the outer rope carrier 112 of the winding drum 11 are both cylindrical, the interior of the winding drum 11 is hollow, and the inner diameter of the outer rope carrier 112 is larger than that of the inner rope carrier 111.
The utility model discloses still relate to a dig the rig soon, including foretell hoisting device.
Optionally, the rotary drilling rig comprises a movable chassis, a main arm and a drill rod, the hoisting device is connected to the movable chassis, a steel rope of the hoisting device is connected with the drill rod through a pulley block of the main arm, and the end of the main arm is connected to the movable chassis. In this embodiment, the mobile chassis includes a bearing seat, a first crawler traveling mechanism, a second crawler traveling mechanism and a hydraulic drive system, the first crawler traveling mechanism and the second crawler traveling mechanism are oppositely arranged and connected to the bearing seat, the hydraulic drive system is respectively connected with the first crawler traveling mechanism and the second crawler traveling mechanism, and the hydraulic drive system is used for driving the first crawler traveling mechanism and the second crawler traveling mechanism.
The above description has been given to the preferred embodiments of the present invention, but the present invention is not limited to the details of the above embodiments, and the technical idea of the present invention can be modified to various simple modifications, and these simple modifications all belong to the protection scope of the present invention. The various features described in the foregoing detailed description may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.
Claims (10)
1. The winding device is characterized by comprising a winding drum and a steel rope, wherein the winding drum comprises an inner layer rope carrying drum and an outer layer rope carrying drum, the outer diameter of the outer layer rope carrying drum is larger than that of the inner layer rope carrying drum, the length of the outer layer rope carrying drum is larger than that of the inner layer rope carrying drum, a fixed end section of the steel rope is wound on the inner layer rope carrying drum, and a free end section of the steel rope is wound on the outer layer rope carrying drum.
2. The hoisting device as defined in claim 1, wherein the length of said outer rope carrier is n times the length of said inner rope carrier, n being greater than or equal to 2.
3. The hoisting device as claimed in claim 1, wherein said inner rope carrying drum is wound with a plurality of layers of said steel ropes, and said outer rope carrying drum is wound with a single layer of said steel ropes.
4. The hoisting device as claimed in claim 3, wherein said inner rope carrier is provided with a double-twisted rope groove for accommodating said steel rope, and said outer rope carrier is provided with a helical rope groove for accommodating said steel rope.
5. The hoisting device as defined in claim 4, wherein said outer rope carrying drum has a transition rope groove at an end portion thereof adjacent to said inner rope carrying drum, said transition rope groove being connected between said double-twisted rope groove and said helical rope groove.
6. A hoisting device as claimed in claim 4, characterized in that the axis of the drum is parallel to the horizontal plane when the hoisting device is in operation.
7. The hoisting device as claimed in claim 4, wherein an angle between said double-folded rope grooves is 4 ° to 8 °.
8. The hoisting device as claimed in claim 1, wherein a rope end fixing portion is provided inside the outer rope carrying drum, a rope outlet is provided at an end portion of the outer rope carrying drum close to the inner rope carrying drum, a rope end of the steel rope is fixedly connected to the rope end fixing portion, and the steel rope is threaded through the rope outlet and sequentially wound on the inner rope carrying drum and the outer rope carrying drum.
9. The hoisting device of any one of claims 1 to 8, further comprising a speed reducer and an engine, wherein an output shaft of the engine is connected to the speed reducer, and an output shaft of the speed reducer is connected to the winding drum.
10. A rotary drilling rig comprising a hoisting device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123199775.0U CN216426579U (en) | 2021-12-17 | 2021-12-17 | Hoisting device and rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123199775.0U CN216426579U (en) | 2021-12-17 | 2021-12-17 | Hoisting device and rotary drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216426579U true CN216426579U (en) | 2022-05-03 |
Family
ID=81319523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123199775.0U Active CN216426579U (en) | 2021-12-17 | 2021-12-17 | Hoisting device and rotary drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216426579U (en) |
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2021
- 2021-12-17 CN CN202123199775.0U patent/CN216426579U/en active Active
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