CN216235683U - Pulley yoke, steering device and rotary drilling rig - Google Patents
Pulley yoke, steering device and rotary drilling rig Download PDFInfo
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- CN216235683U CN216235683U CN202122837438.3U CN202122837438U CN216235683U CN 216235683 U CN216235683 U CN 216235683U CN 202122837438 U CN202122837438 U CN 202122837438U CN 216235683 U CN216235683 U CN 216235683U
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Abstract
The utility model provides a pulley yoke, a steering device and a rotary drilling rig, and relates to the technical field of engineering machinery. First mounting panel and second mounting panel set up relatively, and the pulley setting is between first mounting panel and second mounting panel. The reinforcing structure comprises a transverse plate and at least two side plates, the two side plates are respectively connected with the first mounting plate and the second mounting plate, and the side plates protrude out of the pulley. On the one hand, two curb plates are connected with first mounting panel and second mounting panel respectively, can improve the rigidity and the intensity of the first mounting panel and the second mounting panel of pulley yoke, have reduced the risk that the pulley yoke produced the fracture, and on the other hand, curb plate protrusion in pulley setting can enlarge wire rope's wire rope handling space, has improved dismouting wire rope's convenience.
Description
Technical Field
The utility model relates to the technical field of engineering machinery, in particular to a pulley yoke, a steering device and a rotary drilling rig.
Background
The rotary drilling rig is a construction machine suitable for hole forming operation in building foundation engineering, and the main working environment is a soil layer, a rock layer and a pulley yoke which are important parts of a mast of the rotary drilling rig.
The steering device is an important execution part of the rotary drilling rig. Providing torque for drilling construction of the drilling machine. The steering device comprises a mast, and a pulley yoke connected with the mast is wound with a steel wire rope for hoisting related heavy objects and restricts the movement and hoisting distance of the steel wire rope. In daily construction, the rotary drilling rig bears the pressure of a steel wire rope, and due to the steering of the mast and the centrifugal force generated by high-frequency vibration, the pulleys on the pulley frame can vibrate and swing left and right to generate pressing force on the frame body of the pulley frame, so that the front end of the frame body of the pulley frame is opened and cracked. Meanwhile, due to the limitation of the frame structure of the pulley frame, the space at the front end of the sliding frame body is narrow, and the steel wire rope is extremely inconvenient to assemble and disassemble due to the flexibility of the steel wire rope.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problems that the front end frame body of the pulley frame is easy to crack due to lateral compression force due to insufficient strength and the steel wire rope is inconvenient to disassemble and assemble in the prior art, and provides the pulley frame, the steering device and the rotary drilling rig.
In order to solve the above problems, a first aspect of the present invention provides a pulley frame, including a first mounting plate, a second mounting plate, a pulley and a reinforcing structure, wherein the first mounting plate and the second mounting plate are arranged oppositely; the pulley is arranged between the first mounting plate and the second mounting plate; the reinforcing structure comprises a transverse plate and at least two side plates, the two side plates are respectively connected with the first mounting plate and the second mounting plate, and the side plates protrude out of the pulley.
Optionally, the transverse plate and the two side plates are integrally formed, and the two side plates are respectively connected with the edges of the first mounting plate and the second mounting plate.
Optionally, the ratio of the spacing between the first mounting plate and the second mounting plate to the width of the side plate is 1: 0.8 to 1: 1.5.
Optionally, mounting holes are formed in the side plates, the first mounting plate and the second mounting plate, and the two side plates are detachably connected with the first mounting plate and the second mounting plate through the matching of bolts and the mounting holes.
Optionally, the transverse plate is bent or curved, and the transverse plate is bent or curved in a direction away from the pulley.
Optionally, the number of the side plates is four, two side surfaces of the first mounting plate are respectively connected with one side plate, two side surfaces of the second mounting plate are respectively connected with one side plate, and the four side plates are connected with the transverse plate.
Optionally, the first mounting plate and the second mounting plate respectively extend towards a direction away from the pulley to form a side plate, and the side plate is welded with the transverse plate.
Optionally, the ratio of the distance between the first mounting plate and the second mounting plate to the width of the side plate is 1: 0.6 to 1: 1.2.
A second aspect of the utility model provides a steering arrangement comprising a sheave frame as described in any one of the above.
The third aspect of the utility model provides a rotary drilling rig, which comprises the steering device.
The utility model has the following advantages:
1. by utilizing the technical scheme of the utility model, on one hand, the two side plates are respectively connected with the first mounting plate and the second mounting plate, so that the rigidity and the strength of the first mounting plate and the second mounting plate of the pulley frame can be improved, and the risk of cracking of the pulley frame is reduced; on the other hand, the side plates protrude out of the pulley, so that the rope threading space of the steel wire rope can be enlarged, and the convenience for dismounting the steel wire rope is improved.
2. The transverse plate and the two side plates are integrally formed, so that the integral rigidity and strength of the pulley frame can be further improved.
3. The ratio of the distance between the first mounting plate and the second mounting plate to the width of the side plate is 1: 0.8 to 1: 1.5, the rigidity and the strength of the pulley frame can be improved, and meanwhile, materials are saved.
4. The two side plates are detachably connected with the first mounting plate and the second mounting plate through bolts respectively, so that the reinforcing structure is convenient to disassemble and assemble, and meanwhile, the steel wire rope is convenient to assemble.
5. First mounting panel and second mounting panel extend and form the curb plate, and the both ends and the curb plate welding of diaphragm, the holistic rigidity of improvement pulley yoke that can be better and intensity, simultaneously, can enlarge wire rope's wire rope threading space for the wire rope dismouting is more convenient.
6. By utilizing the technical scheme of the utility model, the steering device comprising the pulley yoke and the rotary drilling rig comprising the steering device have the advantages that the rigidity and the strength of the pulley yoke are improved, the first mounting plate and the second mounting plate of the pulley yoke can be effectively prevented from cracking, and the normal operation of the steering device or the rotary drilling rig is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 shows a schematic structural view of an embodiment 1 of a pulley frame provided by the present invention;
FIG. 2 shows a schematic structural view of the reinforcement structure of FIG. 1;
FIG. 3 shows a schematic view of the mounting hole of FIG. 1;
fig. 4 shows a schematic structural diagram of embodiment 3 of the pulley frame provided by the utility model.
Description of reference numerals:
1. a first mounting plate; 2. a second mounting plate; 3. a transverse plate; 4. a side plate; 5. mounting holes; 6. and the shaft hole.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
Referring to fig. 1, a pulley yoke includes a first mounting plate 1, a second mounting plate 2, a pulley, and a reinforcing structure. The first mounting plate 1 and the second mounting plate 2 are oppositely arranged. All seted up shaft hole 6 on first mounting panel 1 and the second mounting panel 2 for install the pulley, the pulley setting is between first mounting panel 1 and second mounting panel 2, and the both sides of pulley are connected with shaft hole 6 of first mounting panel 1 and second mounting panel 2 respectively. The additional strengthening includes diaphragm 3 and two at least curb plates 4, and two curb plates 4 are connected with first mounting panel 1 and second mounting panel 2 respectively, and curb plate 4 protrusion in pulley.
On the one hand, two curb plates 4 are connected with first mounting panel 1 and second mounting panel 2 respectively, can improve the rigidity and the intensity of the first mounting panel 1 and the second mounting panel 2 of pulley yoke, have reduced the risk that the pulley yoke produced the fracture, and on the other hand, 4 protrusions of curb plate set up in the pulley, can enlarge wire rope's wire rope threading space, have improved dismouting wire rope's convenience.
In this embodiment, the horizontal plate 3 and the two side plates 4 are integrally formed, as shown in fig. 2. Two side plates 4 can be formed by symmetrically bending two ends of one plate, and the transverse plate 3 is formed in the middle. Mounting hole 5 has all been seted up to the border of first mounting panel 1, second mounting panel 2 and the border of two curb plates 4, combines fig. 2 and fig. 3, divide into first curb plate 4 and second curb plate 4 with curb plate 4, then, first mounting panel 1 is connected with first curb plate 4, second mounting panel 2 and second curb plate 4. The first mounting plate 1 is butted with the mounting hole 5 of the first side plate 4, the second mounting plate 2 is butted with the mounting hole 5 of the second side plate 4, and the first mounting plate and the second mounting plate are detachably connected through bolts, nuts and gaskets respectively.
In order to ensure that the rigidity and the strength of the first mounting plate 1 and the second mounting plate 2 of the pulley frame are improved, and simultaneously, the material can be saved, and the cost can be reduced, the ratio of the distance between the first mounting plate 1 and the second mounting plate 2 to the width of the side plate is 1: 0.8 to 1: 1.5. In the embodiment, the ratio of the distance between the first mounting plate 1 and the second mounting plate 2 to the width of the side plate is 1: 1. Reference may be made to fig. 1.
In this embodiment, when needs dismouting wire rope, can select to dismantle curb plate 4 of both sides through dismantling the bolt, carry out wire rope's dismouting again. In addition, because the side plates 4 protrude out of the pulleys, the stringing space of the steel wire rope of the pulley frame is enlarged, so that the steel wire rope can be conveniently disassembled and assembled even under the condition that the side plates 4 are not disassembled, and the side plates 4 can also be optionally not disassembled.
Of course, as an alternative embodiment of this embodiment 1, four side plates 4 may be provided, the side plates 4 are respectively connected to the inner side and the outer side of the first mounting plate 1, the side plates 4 are respectively connected to the inner side and the outer side of the second mounting plate 2, and the four side plates 4 are all connected to the transverse plate 3. This embodiment provides a higher degree of improvement in the strength and rigidity of the first mounting plate 1 and the second mounting plate.
Example 2
In this embodiment, the technical solution difference with that provided in embodiment 1 is that the transverse plate 3 is bent or curved, and the transverse plate 3 is bent or curved in a direction away from the pulley.
In a preferred embodiment, the cross plate 3 is semi-circular. Semicircular arc's diaphragm 3 can further enlarge wire rope's wire rope threading space when can improve the intensity and the rigidity of first mounting panel 1 and second mounting panel 2 for the wire rope dismouting is convenient.
Example 3
In the present embodiment, the difference from embodiment 1 is that the first mounting plate 1 extends to form the first side plate 4 in the direction away from the pulley, and the second mounting plate 2 extends to form the second side plate 4 in the direction away from the pulley. The edge of the first side plate 4 and the edge of the second side plate 4 are respectively welded with two ends of the transverse plate 3.
This embodiment can improve the strength and rigidity of the first mounting plate 1 and the second mounting plate 2 to a greater extent than embodiment 1 for the side plates 4 of the same width, and therefore, the width of the side plates 4 can be relatively reduced. The ratio of the distance between the first mounting plate 1 and the second mounting plate 2 to the width of the side plate 4 is 1: 0.6 to 1: 1.2. Referring to fig. 4, in the present embodiment, the ratio of the interval between the first mounting plate 1 and the second mounting plate 2 to the width of the side plate 4 is 1: 1.
One end of the side plate 4 is connected with the first mounting plate 1 and the second mounting plate 2, the other end of the side plate 4 is connected with the transverse plate 3, and the connecting modes on the two sides of the side plate 4 can be flexibly selected according to actual needs. Such as:
the first scheme is as follows: the side plate 4 is detachably connected with the first mounting plate 1 and the second mounting plate 2 through bolts, as described in embodiment 1.
Scheme II: the first side plate 4 is integrally formed with the first mounting plate 1, and the second side plate 4 is integrally formed with the second mounting plate 2, as described in embodiment 3.
The third scheme is as follows: the side plates 4 are integrally formed with the cross plate 3 as described in embodiment 1.
And the scheme is as follows: the side plates 4 and the transverse plate 3 are welded together as in embodiment 3; or by bolting.
Example 4
A steering apparatus comprising a sheave frame as provided in any one of the above embodiments.
The pulley frame is provided with a pulling end and a guide end, the pulling end is provided with a pulling pulley, and the guide end is provided with a guide pulley. In the actual construction process, the steel wire rope firstly bypasses the guide pulley and then bypasses the pulling pulley, and the pulling pulley is always higher than the guide pulley and is higher in pressure of the steel wire rope, so that the reinforcing structure is arranged at the edges of the first mounting plate 1 and the second mounting plate 2 on the side of the pulling pulley, the strength and the rigidity of the first mounting plate 1 and the second mounting plate 2 of the pulley frame can be effectively improved, and the phenomenon of cracking of the pulley frame is prevented. Meanwhile, the rope threading space of the steel wire rope can be enlarged, so that the steel wire rope can be more conveniently disassembled and assembled by the steering device.
Example 5
A rotary drilling rig comprises the steering device. The rotary drilling rig has higher strength and is convenient for dismounting the pulley yoke of the steel wire rope. It is somewhat the same as above and will not be described further here.
According to the above description, the present patent application has the following advantages:
1. the rigidity and the strength of the first mounting plate 1 and the second mounting plate 2 of the pulley frame are improved, and the risk of cracking of the frame body is reduced;
2. the rope threading space of the steel wire rope is enlarged, and the convenience of assembling and disassembling the steel wire rope is improved.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.
Claims (10)
1. A sheave yoke, comprising:
the first mounting plate (1) and the second mounting plate (2) are oppositely arranged;
a pulley arranged between the first mounting plate (1) and the second mounting plate (2);
the reinforced structure comprises a transverse plate (3) and at least two side plates (4), wherein the side plates (4) are respectively connected with the first mounting plate (1) and the second mounting plate (2), and the side plates (4) protrude out of the pulley.
2. The pulley carrier according to claim 1, characterized in that said transverse plate (3) is integrally formed with two of said side plates (4), said two side plates (4) being connected to the edges of said first mounting plate (1) and said second mounting plate (2), respectively.
3. The pulley yoke according to claim 2, characterized in that the ratio of the spacing between the first mounting plate (1) and the second mounting plate (2) to the width of the side plate (4) is 1: 0.8 to 1: 1.5.
4. The pulley frame according to claim 2, characterized in that the side plates (4), the first mounting plate (1) and the second mounting plate (2) are provided with mounting holes (5), and the two side plates (4) are detachably connected with the first mounting plate (1) and the second mounting plate (2) through the matching of bolts and the mounting holes (5).
5. Pulley carrier according to any of claims 1-4, characterized in that the transverse plate (3) is bent or curved, the transverse plate (3) being bent or curved in a direction facing away from the pulley.
6. The pulley frame according to claim 1, characterized in that there are four side plates (4), two side surfaces of the first mounting plate (1) are respectively connected with one side plate (4), two side surfaces of the second mounting plate (2) are respectively connected with one side plate (4), and four side plates (4) are respectively connected with the transverse plate (3).
7. The pulley frame according to claim 1, characterized in that the first mounting plate (1) and the second mounting plate (2) each extend away from the pulley to form the side plate (4), and the side plates (4) are welded to the cross plate (3).
8. The pulley yoke according to claim 7, characterized in that the ratio of the spacing between the first mounting plate (1) and the second mounting plate (2) to the width of the side plate (4) is 1: 0.6 to 1: 1.2.
9. A steering arrangement comprising a sheave frame as claimed in any one of claims 1 to 8.
10. A rotary drilling rig comprising the steering device of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122837438.3U CN216235683U (en) | 2021-11-18 | 2021-11-18 | Pulley yoke, steering device and rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122837438.3U CN216235683U (en) | 2021-11-18 | 2021-11-18 | Pulley yoke, steering device and rotary drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216235683U true CN216235683U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122837438.3U Active CN216235683U (en) | 2021-11-18 | 2021-11-18 | Pulley yoke, steering device and rotary drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216235683U (en) |
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2021
- 2021-11-18 CN CN202122837438.3U patent/CN216235683U/en active Active
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