CN218620052U - Mast structure and rotary drilling rig - Google Patents

Mast structure and rotary drilling rig Download PDF

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Publication number
CN218620052U
CN218620052U CN202222959360.7U CN202222959360U CN218620052U CN 218620052 U CN218620052 U CN 218620052U CN 202222959360 U CN202222959360 U CN 202222959360U CN 218620052 U CN218620052 U CN 218620052U
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China
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tensioning
fixing
wire rope
mast
arc groove
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CN202222959360.7U
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Chinese (zh)
Inventor
王镇
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Beijing Sany Intelligent Technology Co Ltd
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Beijing Sany Intelligent Technology Co Ltd
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Abstract

The utility model relates to an engineering machine tool technical field, concretely relates to mast structure and dig rig soon. The mast structure includes: a mast body; the tensioning fixing piece is arranged on the mast body and is suitable for extending along the tensioning direction of the steel wire rope; the connecting part is movably arranged on the tensioning fixing part along the tensioning direction and is suitable for being fixedly connected with the steel wire rope; and the tensioning adjusting part is movably arranged on the tensioning fixing part and is matched with the connecting part. The utility model discloses set up tensioning mounting, connecting portion and tensioning regulating part on the mast body, when wire rope needs the tensioning, set up tensioning regulating part into the accommodate state, remove connecting portion and tensioning wire rope this moment, later set up tensioning regulating part into fixed state alright accomplish the tensioning process, overall structure is simple, the required installation space of straining structure is less, can use on shorter mast body, effectively solved the problem of the mast of the unable adaptation various sizes of straining structure among the prior art.

Description

Mast structure and rotary drilling rig
Technical Field
The utility model relates to an engineering machine tool technical field, concretely relates to mast structure and dig rig soon.
Background
The rotary drilling rig is construction machinery suitable for hole forming operation in building foundation engineering, and has the characteristics of high hole forming speed, less pollution, strong maneuverability and the like, the main working environment of the rotary drilling rig is a soil layer and a rock layer, a winch is arranged on the rotary drilling rig to control the lifting and lowering of a drill bit, and therefore a tensioning structure is generally arranged on a mast of the rotary drilling rig to tension a steel wire rope.
At present, a steel wire rope on a rotary drilling rig is generally tensioned through a tensioning oil cylinder, the tensioning oil cylinder is fixedly arranged on a mast, the steel wire rope is fixed at the moving end of the tensioning oil cylinder, the tensioning oil cylinder stretches to tension the steel wire rope, the tensioning oil cylinder needs a large space during arrangement, and the steel wire rope cannot be installed when the mast is short, so that the conventional tensioning structure cannot be adapted to masts of various sizes.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect of the mast of the unable various sizes of adaptation of straining structure among the prior art to a mast structure and dig the rig soon are provided.
In order to solve the above problem, the utility model provides a mast structure includes: a mast body; the tensioning fixing piece is arranged on the mast body and is suitable for extending along the tensioning direction of the steel wire rope; the connecting part is movably arranged on the tensioning fixing part along the tensioning direction and is suitable for being fixedly connected with the steel wire rope; the tensioning adjusting part is movably arranged on the tensioning fixing part and matched with the connecting part, the tensioning adjusting part has an adjusting state and a fixing state, when the tensioning adjusting part is in the adjusting state, the tensioning adjusting part adjusts the position of the connecting part on the tensioning fixing part, and when the tensioning adjusting part is in the fixing state, the tensioning adjusting part fixes the position of the connecting part.
Optionally, the tensioning fixing member includes a fixing rod, and the connecting portion is provided with a through hole for the fixing rod to penetrate through.
Optionally, the tensioning adjusting portion includes an adjusting nut, a fixing rod is provided with threads, and adjusting nuts are provided on two sides of the fixing rod, which are located on the connecting portion.
Optionally, the connecting portion includes a moving block and a pressing plate, the pressing plate is fixedly connected with the moving block, and the steel wire rope is fixed between the pressing plate and the moving block.
Optionally, one side of the moving block, which is close to the pressing plate, is provided with a first arc groove, one side of the pressing plate, which is close to the moving block, is provided with a second arc groove, and the first arc groove and the second arc groove surround to form a first fixing hole for fixing the steel wire rope.
Optionally, a first rib is arranged in the first arc groove, and/or a second rib is arranged in the second arc groove.
Optionally, the mast structure further includes a fixing portion disposed on the mast body, the wire rope passes through the fixing portion, and the fixing portion has an unlocking state enabling the wire rope to slide and a locking state enabling the wire rope to be fixed.
Optionally, the fixing part comprises a fixing block and a pressing block, the fixing block is fixedly connected with the pressing block, and the steel wire rope is fixed between the pressing block and the fixing block.
Optionally, a third arc groove is formed on the end surface of the fixed block close to the press block, a fourth arc groove is formed on the end surface of the press block close to the fixed block, the third arc groove and the fourth arc groove surround to form a second fixing hole for fixing the steel wire rope, a third rib is arranged in the third arc groove, and/or a fourth rib is arranged in the fourth arc groove.
The utility model also provides a dig the rig soon, it includes: the mast structure described above.
The utility model has the advantages of it is following:
1. the connecting part is movable in the tensioning direction, one end of the steel wire rope is fixed on the connecting part, the tensioning adjusting part can fix the position of the connecting part, when the steel wire rope needs to be tensioned, the tensioning adjusting part is set to be in an adjusting state, the connecting part is moved and the steel wire rope is tensioned, then the tensioning adjusting part is set to be in a fixing state, and the tensioning process can be completed.
2. The outer wall of the mast body is provided with the hinge base, the upper end of the tensioning fixing piece is hinged to the outer wall of the mast body through the hinge shaft, when the adjusting is carried out, the mast body can slightly swing along with the swinging of the steel wire rope, the stress borne by the mast body in the adjusting process is dispersed, and meanwhile, the mast body can swing to enable later-stage maintenance to be more convenient.
3. The mast structure further comprises a fixing part arranged on the mast body, the steel wire rope penetrates through the fixing part, the fixing part is in an unlocking state enabling the steel wire rope to slide and a locking state enabling the steel wire rope to be fixed, and after the connecting part and the tensioning adjusting part move upwards to complete tensioning, the fixing part further fixes the steel wire rope, so that the tensioning of the steel wire rope is more reliable.
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 embodiments or the technical solutions in 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Figure 1 shows a three-dimensional schematic view of a mast structure according to an embodiment of the invention;
figure 2 shows a three-dimensional schematic view of the mast body of the mast structure of figure 1;
figure 3 shows a schematic construction of the fixing rods of the mast structure of figure 1;
figure 4 shows a three-dimensional schematic view of the connection of the mast structure of figure 1;
figure 5 shows a three-dimensional schematic view of the fixed part of the mast structure of figure 1.
Description of reference numerals:
10. a mast body; 11. a hinged seat; 12. hinging a shaft; 13. a fixing pin; 21. fixing the rod; 31. a moving block; 311. a first mating hole; 312. a first arc groove; 313. a through hole; 32. pressing a plate; 321. a first through hole; 322. a second arc groove; 33. a first fastening member; 41. adjusting the nut; 51. a fixed block; 511. a second through hole; 512. a third arc groove; 52. pressing into blocks; 521. a second mating hole; 522. a fourth arc groove; 53. a second fastening member.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to 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", and the like indicate orientations or positional relationships based on 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. 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 to 5, the mast structure of the present embodiment includes: the device comprises a mast body 10, a tensioning fixing piece, a connecting part and a tensioning adjusting part, wherein the tensioning fixing piece is arranged on the mast body 10 and is suitable for extending along the tensioning direction of a steel wire rope; the connecting part is movably arranged on the tensioning fixing part along the tensioning direction and is suitable for being fixedly connected with the steel wire rope; the tensioning adjusting part is movably arranged on the tensioning fixing part and matched with the connecting part, the tensioning adjusting part has an adjusting state and a fixing state, when the tensioning adjusting part is in the adjusting state, the tensioning adjusting part adjusts the position of the connecting part on the tensioning fixing part, and when the tensioning adjusting part is in the fixing state, the tensioning adjusting part fixes the position of the connecting part.
By applying the mast structure of the embodiment, the mast body 10 is provided with the tensioning fixing part, the connecting part and the tensioning adjusting part, the connecting part can move in the tensioning direction, one end of the steel wire rope is fixed on the connecting part, the tensioning adjusting part can fix the position of the connecting part, when the steel wire rope needs to be tensioned, the tensioning adjusting part is set to be in an adjusting state, the connecting part is moved and the steel wire rope is tensioned, then the tensioning adjusting part is set to be in a fixing state, and the tensioning process can be completed.
Specifically, the specific size of the mast body 10 is not limited, the size of the mast body 10 can be changed according to the requirement, the mast body 10 can be a longer mast body 10 or a shorter mast body 10, and the size of the mast body 10 can meet the requirements of installation and work of the tension fixing part, the connecting part and the tension adjusting part.
In this embodiment, the tensioning fixing member includes two fixing rods 21 arranged in parallel, two through holes 313 for the two fixing rods 21 to penetrate through are formed in the connecting portion, the connecting portion penetrates through the two fixing rods 21, the stability of the connecting portion during moving can be guaranteed by the two fixing rods 21, meanwhile, the structural strength of the two fixing rods 21 is higher, and the tensioning fixing member cannot be easily damaged in the adjusting process. It is understood that, as an alternative embodiment, the tensioning fixing element may also be a fixing plate, a fixing rail, or the like, and the number of the fixing rods 21 may also be one or three, which can meet the requirement of using strength.
Specifically, the outer wall of the mast body 10 is provided with a hinge base 11, the upper end of the tensioning fixing piece is hinged to the outer wall of the mast body 10 through a hinge shaft 12, a pin hole is formed in one end, away from the mast body 10, of the hinge shaft, the hinge shaft is axially limited through a fixing pin 13 matched with the pin hole, when the adjusting is carried out, the mast body 10 can slightly swing along with the swinging of a steel wire rope, the stress on the mast body 10 in the adjusting process is dispersed, and meanwhile, the mast body 10 can swing to enable later-period maintenance to be more convenient.
Preferably, the fixing rod 21 is a cylindrical rod, the through hole 313 is a circular hole, and the side wall of the fixing rod 21 has no corner, so that the connecting portion does not generate stress concentration when moving on the fixing rod 21, thereby prolonging the service life of the fixing rod 21. It will be appreciated that the fixing bar 21 may alternatively be prismatic.
In this embodiment, the tensioning adjustment portion includes a plurality of adjustment nuts 41, and each fixing rod 21 is provided with a thread, and both sides of the connecting portion on each fixing rod 21 are provided with adjustment nuts 41, and the position of the connecting portion is adjusted by the movement of the adjustment nuts 41 on the fixing rod 21, and meanwhile, the position of the connecting portion can be continuously adjusted by the threaded cooperation of the adjustment nuts 41 and the fixing rod 21, so that the stepless adjustment is realized. It will be appreciated that, as an alternative embodiment, the tension adjusting portion may be a positioning pin, and a plurality of pin holes may be provided in the fixing rod 21 along the tension direction, and the position of the connecting portion may be changed by the positioning pin cooperating with the pin holes at different positions.
Preferably, three adjusting nuts 41 are provided on each fixing rod 21, one of the three adjusting nuts is provided above and abutted against the corresponding connecting portion, and the other two adjusting nuts are provided below the corresponding connecting portion on the fixing rod 21, since the wire rope mainly generates downward stress to the connecting portion, it is necessary to emphasize the downward displacement of the connecting portion, and the two adjusting nuts 41 are simultaneously tightened to prevent the adjusting nuts 41 near the connecting portion from being unscrewed, thereby ensuring the reliability of the fixing. Here, the upper direction refers to an "upper" direction indicated by an arrow in fig. 1, and the lower direction refers to a "lower" direction indicated by an arrow in fig. 1.
In this embodiment, the connecting portion includes movable block 31 and clamp plate 32, and clamp plate 32 and movable block 31 fixed connection, wire rope fix between clamp plate 32 and movable block 31, and then fixed wire rope through the cooperation of clamp plate 32 and movable block 31, simple structure and the dismouting of being convenient for.
Specifically, the pressing plate 32 is fixedly connected to the moving block 31 through a plurality of first fastening members 33, first through holes 321 for the first fastening members 33 to penetrate are formed in the pressing plate 32, and first matching holes 311 matched with the first fastening members 33 are formed in the moving block 31.
Preferably, the pressing plate 32 and the moving block 31 are fixedly connected by two first fastening members 33, the first fastening members 33 are bolts, the two bolts are disposed at two sides of the first fitting hole 311, and a penetrating direction of each bolt is perpendicular to an axis of the first fitting hole 311.
In this embodiment, a first arc groove 312 is arranged on one side of the moving block 31 close to the pressing plate 32, a second arc groove 322 is arranged on one side of the pressing plate 32 close to the moving block 31, the first arc groove 312 and the second arc groove 322 surround to form a first fixing hole for fixing the steel wire rope, during installation, the moving block 31 and the pressing plate 32 are separated, the steel wire rope is placed between the first arc groove 312 and the second arc groove 322, and then the moving block 31 and the pressing plate 32 are attached and fixed. It should be noted that, in order to ensure the strength of the fixed connection, the aperture of the first fixing hole formed by the first arc groove 312 and the second arc groove 322 is slightly smaller than the diameter of the steel wire rope, so that the first fixing hole and the steel wire rope are in interference fit.
In this embodiment, the first rib is disposed in the first arc groove 312, the second rib is disposed in the second arc groove 322, and the ribs disposed in the first arc groove 312 and the second arc groove 322 can further increase friction between the steel wire rope and the first fixing hole, so that the steel wire rope is more firmly fixed.
Preferably, the first rib and the second rib are ribs arranged along the circumferential direction of the first fixing hole, and the ribs block the axial movement of the steel wire rope.
In this embodiment, the mast structure further includes a fixing portion disposed on the mast body 10, the steel wire rope passes through the fixing portion, the fixing portion has an unlocking state enabling the steel wire rope to slide and a locking state enabling the steel wire rope to be fixed, and after the connecting portion and the tensioning adjusting portion move upward and complete tensioning, the fixing portion further fixes the steel wire rope, so that tensioning of the steel wire rope is more reliable.
In this embodiment, the fixing portion includes a fixing block 51 and a pressing block 52, the fixing block 51 is fixedly connected to the pressing block 52, and the steel wire rope is fixed between the pressing block 52 and the fixing block 51, so that the steel wire rope fixing device is simple in structure and convenient to install.
In this embodiment, a third arc groove 512 is formed on an end surface of the fixed block 51 close to the press block 52, a fourth arc groove 522 is formed on an end surface of the press block 52 close to the fixed block 51, the third arc groove 512 and the fourth arc groove 522 surround to form a second fixed hole for fixing the steel wire rope, a third rib is arranged in the third arc groove 512, a fourth rib is arranged in the fourth arc groove 522, and the ribs arranged in the third arc groove 512 and the fourth arc groove 522 can further increase friction between the steel wire rope and the second fixed hole, so that the steel wire rope is fixed more firmly.
Specifically, the third rib and the fourth rib are ribs arranged along the circumferential direction of the second fixing hole, and block the axial movement of the steel wire rope, the fixing block is fixedly connected with the press block 52 through a plurality of second fastening components 53, a second penetrating hole 511 for the second fastening component 53 to penetrate is formed in the fixing block 51, and a second matching hole 521 matched with the second fastening component 53 is formed in the press block 52.
Preferably, the second fastening members 53 are bolts, and four second fastening members 53 are respectively disposed on two sides of the second fixing hole in the axial direction, so as to ensure that the fixing portion can be firmly and reliably fixed to the steel wire rope.
The following describes the manner of use of the mast structure of the present embodiment:
when tensioning is needed, the second fastening parts 53 on the pressing block 52 are unscrewed, so that the steel wire rope can slide in the second fixing holes; rotating the adjusting nuts 41 of the two fixing rods 21 so that the connecting part moves upward to tension the wire rope, and simultaneously screwing the adjusting nuts 41; further fixing of the wire rope is accomplished by tightening the second fastening members 53 on the pressing piece 52.
When maintenance is needed, the second fastening parts 53 on the pressing block 52 are loosened and taken down, and the pressing block 52 is taken down; the adjusting nuts 41 of the two fixing rods 21 are rotated to enable the connecting part to move downwards, and the steel wire rope is in a relaxed state at the moment; unscrewing the two first fastening parts 33 on the pressure plate 32, and taking down the steel wire rope; the two fixing bars 21 are lifted along the hinge portion away from the mast body 10 for maintenance.
The utility model also provides a dig the rig soon, it includes: the mast structure described above.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
1. the mast body 10 is provided with the tensioning fixing part, the connecting part and the tensioning adjusting part, the connecting part can move in the tensioning direction, one end of the steel wire rope is fixed on the connecting part, the tensioning adjusting part can fix the position of the connecting part, when the steel wire rope needs to be tensioned, the tensioning adjusting part is set to be in an adjusting state, the connecting part is moved and the steel wire rope is tensioned, then the tensioning adjusting part is set to be in a fixing state, and the tensioning process can be completed.
2. The outer wall of the mast body 10 is provided with a hinged seat 11, the upper end of the tensioning fixing piece is hinged on the outer wall of the mast body 10 through a hinged shaft 12, when the adjustment is carried out, the mast body 10 can slightly swing along with the swing of the steel wire rope, the stress on the mast body 10 in the adjustment process is dispersed, and meanwhile, the mast body 10 can swing, so that the later-period maintenance is more convenient.
3. The tensioning adjusting part comprises a plurality of adjusting nuts 41, each fixing rod 21 is provided with a thread, the adjusting nuts 41 are arranged on two sides of each connecting part on each fixing rod 21, the connecting parts can be adjusted by moving the adjusting nuts 41 on the fixing rods 21, and meanwhile, the adjusting nuts 41 can be matched with the fixing rods 21 in a threaded mode to continuously adjust the positions of the connecting parts, so that stepless adjustment is achieved.
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. This need not be, nor should it be exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims (10)

1. A mast structure, comprising:
a mast body (10);
a tension fixture provided on the mast body (10), the tension fixture being adapted to extend in a tensioning direction of a wire rope;
the connecting part is movably arranged on the tensioning fixing part along the tensioning direction and is suitable for being fixedly connected with the steel wire rope;
the tensioning adjusting part is movably arranged on the tensioning fixing part and matched with the connecting part, the tensioning adjusting part is provided with an adjusting state and a fixing state, the tensioning adjusting part is in the adjusting state, the tensioning adjusting part adjusts the position of the connecting part on the tensioning fixing part, and the tensioning adjusting part is in the fixing state and fixes the position of the connecting part.
2. A mast structure according to claim 1, wherein the tensioning fixture comprises a fixing rod (21), and the connecting portion is provided with a through hole (313) for the fixing rod (21) to pass through.
3. A mast structure according to claim 2, wherein the tension adjusting part comprises an adjusting nut (41), wherein the fixing rod (21) is provided with a thread, and wherein the fixing rod (21) is provided with the adjusting nut (41) at both sides of the connecting part.
4. A mast structure according to any one of claims 1-3, characterized in that the connecting portion comprises a moving block (31) and a pressure plate (32), the pressure plate (32) being fixedly connected with the moving block (31), the wire rope being fixed between the pressure plate (32) and the moving block (31).
5. The mast structure according to claim 4, wherein a first arc groove (312) is formed in one side, close to the pressure plate (32), of the moving block (31), a second arc groove (322) is formed in one side, close to the moving block (31), of the pressure plate (32), and the first arc groove (312) and the second arc groove (322) are encircled to form a first fixing hole for fixing the steel wire rope.
6. A mast structure according to claim 5, wherein the first arc-shaped groove (312) is provided with a first rib and/or the second arc-shaped groove (322) is provided with a second rib.
7. A mast structure according to any one of claims 1-3, further comprising a fixing part provided on the mast body (10), through which the wire rope is provided, the fixing part having an unlocked state in which the wire rope can slide and a locked state in which the wire rope is fixed.
8. The mast structure according to claim 7, wherein the fixing part comprises a fixing block (51) and a pressing block (52), the fixing block (51) is fixedly connected with the pressing block (52), and the wire rope is fixed between the pressing block (52) and the fixing block (51).
9. A mast structure according to claim 8, wherein a third arc groove (512) is formed on an end surface of the fixing block (51) close to the pressing block (52), a fourth arc groove (522) is formed on an end surface of the pressing block (52) close to the fixing block (51), the third arc groove (512) and the fourth arc groove (522) surround to form a second fixing hole for fixing the steel wire rope, a third rib is arranged in the third arc groove (512), and/or a fourth rib is arranged in the fourth arc groove (522).
10. A rotary drilling rig, characterized by comprising: a mast structure according to any one of claims 1 to 9.
CN202222959360.7U 2022-11-07 2022-11-07 Mast structure and rotary drilling rig Active CN218620052U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222959360.7U CN218620052U (en) 2022-11-07 2022-11-07 Mast structure and rotary drilling rig

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222959360.7U CN218620052U (en) 2022-11-07 2022-11-07 Mast structure and rotary drilling rig

Publications (1)

Publication Number Publication Date
CN218620052U true CN218620052U (en) 2023-03-14

Family

ID=85422449

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222959360.7U Active CN218620052U (en) 2022-11-07 2022-11-07 Mast structure and rotary drilling rig

Country Status (1)

Country Link
CN (1) CN218620052U (en)

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