CN214243591U

CN214243591U - Rotary drilling rig and rope pressing device thereof

Info

Publication number: CN214243591U
Application number: CN202120017862.0U
Authority: CN
Inventors: 袁凯杰; 陈国广; 张世平
Original assignee: Beijing Sany Intelligent Technology Co Ltd
Current assignee: Beijing Sany Intelligent Technology Co Ltd
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-09-21
Anticipated expiration: 2031-01-05

Abstract

The utility model provides a rotary drilling rig and a rope pressing device thereof, wherein the rotary drilling rig comprises a pressing wheel, and the pressing wheel comprises a pressing wheel shaft; the two swing arms are respectively arranged on two sides of the pinch roller, the first ends of the swing arms are suitable for being rotatably connected to an external structure, and the second ends of the swing arms are connected to a pinch roller shaft; two elastic components, respectively with two swing arms are connected, the first end of elastic component is suitable for and connects on the exterior structure, the second end of elastic component is connected on the swing arm, wherein, two swing arms or one of two swing arms are configured as scalable structure. The technical scheme of the utility model adjustable swing arm simple structure, dismouting are convenient, have solved the pressure rope ware among the prior art and have had the defect that leads to unable compressed tightly the steel wire because of manufacturing error, prolonged the life of pressing the rope ware.

Description

Rotary drilling rig and rope pressing device thereof

Technical Field

The utility model relates to an excavating equipment technical field, concretely relates to dig rig soon and rope pressing device thereof.

Background

The rope pressing device of the rotary drilling rig is equipment for applying pressure to the surface of a winding drum, plays a vital role in rope arrangement of a winding device, and can effectively solve the rope disorder phenomenon of a steel wire rope. The structure of the rope pressing device is shown in figure 1, the rope pressing device comprises a pressing wheel 1 ', a swing arm 2 ', a spring 3 ' and other main components, and the rope pressing device converts the elastic force of the spring into the pressing force of the pressing wheel on a steel wire rope by means of a lever structure of the swing arm. However, the prior art rope pressing device has the following problems:

the swing arm 2' of prior art rope pressers is usually of a fixed length, which allows for certain manufacturing variations since the structure of the rope pressers itself is not a completely rigid connection. In the actual use process, the distance from the two ends of the rope pressing device pressing wheel 1' to the steel wire rope winding drum is inconsistent due to machining errors or use abrasion, and the problem that the steel wire rope cannot be pressed is caused.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the rope pressing device among the prior art and having the defect that leads to unable compressed tightly the steel wire because of manufacturing error to a dig rig soon and rope pressing device thereof is provided.

In order to solve the technical problem, the utility model provides a rope pressing device, include: the pressing wheel comprises a pressing wheel shaft; the two swing arms are respectively arranged on two sides of the pinch roller, the first ends of the swing arms are suitable for being rotatably connected to an external structure, and the second ends of the swing arms are connected to a pinch roller shaft; two elastic components, respectively with two swing arms are connected, the first end of elastic component is suitable for and connects on the exterior structure, the second end of elastic component is connected on the swing arm, wherein, two swing arms or one of two swing arms are configured as scalable structure.

Optionally, the swing arm comprises: a first section and a second section, which are connected with each other and the relative position of which can be adjusted; and a fixing structure disposed between the first section and the second section and used for fixing the relative positions of the first section and the second section.

Optionally, the first section and the second section are partially stacked, one of the first section and the second section is provided with a chute, the other is provided with a positioning hole, the fixing structure comprises a positioning column and a fastening piece, the positioning column is arranged in the chute and the positioning hole in a penetrating manner, and the fastening piece is arranged at the end part of the positioning column.

Optionally, the positioning column is a bolt, and the fastener is a nut sleeved on the bolt.

Optionally, the two positioning holes are arranged at intervals, the two positioning columns are arranged, and the two positioning columns are respectively arranged in the two positioning holes in a penetrating mode.

Optionally, the first section is provided with a first connecting hole on the end portion deviating from the second section, and the rope pressing device further comprises a first connecting shaft, the first connecting shaft is arranged in the first connecting hole in a penetrating manner, and the first connecting shaft is suitable for being rotatably connected to the external structure.

Optionally, a second connecting hole is formed in an end portion, away from the first section, of the second section, the rope pressing device further comprises a second connecting shaft, the second connecting shaft penetrates through the second connecting hole and is fixedly connected to the second connecting hole, one end of the second connecting shaft is fixedly connected to a first end of the connecting plate, a second end of the second connecting shaft is suitable for being connected with the elastic piece, and a second end of the connecting plate is rotatably connected to the pressing wheel shaft.

Optionally, the second section, the second connecting shaft and the connecting plate are connected together by welding.

Optionally, the elastic member is a spring, and the rope pressing device further comprises a connecting seat, a first end of the spring is connected with the connecting seat, the connecting seat is suitable for being connected to an external structure, wherein an adjusting structure for adjusting the tensioning degree of the spring is arranged on the connecting seat.

The utility model also provides a dig rig soon, including pressing the rope ware, press the rope ware to be foretell rope ware.

The utility model discloses technical scheme has following advantage:

1. utilize the technical scheme of the utility model, when rope pressing device because machining error or use wearing and tearing etc. lead to pinch roller both ends to the distance inconsistency of wire rope reel, when unable compressing tightly wire rope, through the length of adjusting one or two swing arms for the length of two swing arms is unanimous, and then makes rope pressing device's surface compress tightly wire rope, eliminates because of machining error or the influence that uses wearing and tearing to produce. Consequently the technical scheme of the utility model the rope ware that has solved among the prior art has leaded to the defect that can't compress tightly the steel wire because of manufacturing error.

2. The technical scheme of the utility model in the swing arm dismouting of adjustable length convenient, it is fixed through bolt and screw cooperation, simple structure, the reliability is high.

3. The problem that the rope pressing device cannot compress the steel wire rope is solved by adjusting the length of the swing arm, the service life of the rope pressing device is prolonged, and the cost is saved.

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.

FIG. 1 shows a schematic view of a prior art rope press in cooperation with a wire rope drum;

fig. 2 shows a schematic structural view of the rope presser of the present invention;

FIG. 3 shows an enlarged schematic view at A in FIG. 2;

FIG. 4 shows a schematic view of a first segment of the swing arm of the rope press of FIG. 2; and

fig. 5 shows a schematic structural view of a second section of the swing arm of the rope press of fig. 2.

Description of reference numerals:

1', a pinch roller; 2', a swing arm; 3', a spring; 10. a pinch roller; 11. a pinch roller shaft; 20. swinging arms; 21. a first stage; 211. a first connection hole; 22. a second stage; 221. a second connection hole; 30. an elastic member; 40. a fixed structure; 41. a positioning column; 42. a fastener; 50. a chute; 60. positioning holes; 70. a first connecting shaft; 80. a second connecting shaft; 90. a connecting seat; 91. an adjustment structure; 100. a connecting plate.

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 work 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 the 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 in specific cases to 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. 2 and 3, the rope press of the present embodiment includes a pressing wheel 10, two swing arms 20, and an elastic member 30. The pressing wheel 10 comprises a pressing wheel shaft 11, two swing arms 20 are respectively arranged on two sides of the pressing wheel 10, first ends of the swing arms 20 are suitable for being rotatably connected to an external structure, and second ends of the swing arms 20 are connected to the pressing wheel shaft 11. Two elastic members 30 are respectively connected to the two swing arms 20, a first end of the elastic member 30 is adapted to be connected to an external structure, and a second end of the elastic member 30 is connected to the swing arm 20. Further, the two swing arms 20 or one of the two swing arms 20 is configured as a telescopic structure.

Utilize the technical scheme of this embodiment, when the rope pressing device leads to pinch roller 10 both ends to the distance inconsistency of wire rope reel owing to machining error or use wearing and tearing etc. when unable compress tightly wire rope, through the length of adjusting one or two swing arms 20 for the length of two swing arms 20 is unanimous, and then makes the surface of rope pressing device compress tightly wire rope, eliminates because of machining error or the influence that uses wearing and tearing to produce. Therefore, the technical scheme of the embodiment overcomes the defect that the steel wire cannot be compressed due to manufacturing errors of the rope pressing device in the prior art.

It should be noted that in the present embodiment, only one swing arm 20 is a telescopic structure, and thus the other swing arm 20 is a fixed-length structure. When the distance between the two ends of the pressing wheel 10 and the steel wire rope reel is inconsistent due to machining errors or use abrasion of the rope pressing device, the length of the telescopic swing arm 20 is adjusted, and then the length of the two swing arms 20 is the same, so that the distance between the two ends of the pressing wheel 10 and the steel wire rope reel is consistent, and the steel wire rope is compressed. Of course, in an embodiment not shown, both swing arms 20 are length-adjustable, telescopic structures, and embodiments are also possible.

It should be further noted that the "external structure" refers to a structure for fixedly mounting the rope pressing device, and in this embodiment, the rope pressing device is fixed on the rotary drilling rig, so that the rotary drilling rig constitutes the external structure. Of course, it will be understood by those skilled in the art that other machines with cord depressors mounted thereon may be the external structure described above. Furthermore, the outer structure need not be a mechanical structure, for example, when the rope tensioner is fixed on the ground, the ground forms the outer structure described above. Meanwhile, the first end of the swing arm 20 and the first end of the elastic member 30 are both connected to an external structure, and those skilled in the art will understand that the above descriptions do not mean that both are connected to the same position, but both can be connected to different positions on the same machine, or both can be connected to two machines, or both can be connected to a fixed structure on the ground, or one of the two can be connected to the ground and the other can be connected to a certain machine. In summary, the above expression should not be interpreted narrowly so that the first end of the swing arm 20 and the first end of the elastic member 30 are both connected at the same specific position.

As shown in fig. 3, in the solution of the present embodiment, the swing arm 20 includes a first section 21, a second section 22 and a fixing structure 40. Wherein the first section 21 and the second section 22 are connected to each other and the relative position is adjustable. The securing structure 40 is disposed between the first section 21 and the second section 22 and is used to secure the relative positions of the first section 21 and the second section 22. Specifically, by adjusting the relative position between the first section 21 and the second section 22, the overall length of the swing arm 20 can be increased or decreased. The fixing structure 40 fixes the position between the first section 21 and the second section 22, so that the entire length of the swing arm 20 is fixed. The position adjustment between the first section 21 and the second section 22 can be achieved by various structures, for example, by a chute structure, or a nested structure.

As shown in fig. 3 to 5, in the technical solution of the present embodiment, the first section 21 and the second section 22 are partially overlapped, one of the first section 21 and the second section 22 is provided with a sliding slot 50, the other is provided with a positioning hole 60, the fixing structure 40 includes a positioning post 41 and a fastening member 42, the positioning post 41 is inserted into the sliding slot 50 and the positioning hole 60, and the fastening member 42 is disposed at an end of the positioning post 41. Specifically, the positioning post 41 passes through the positioning hole 60 and then passes through the sliding slot 50, so that the positioning post 41 can slide in the sliding slot 50, and thus the first section 21 and the second section 22 can slide relatively. The fastening member 42 is used to fix the position of the positioning post 41 in the sliding groove 50, thereby fixing the position between the first section 21 and the second section 22.

Preferably, the positioning post 41 is a bolt, and the fastening member 42 is a nut sleeved on the bolt.

As shown in fig. 3, in the technical solution of the present embodiment, two positioning holes 60 are arranged at intervals, two positioning pillars 41 are arranged, and the two positioning pillars 41 respectively penetrate through the two positioning holes 60. Specifically, two bolts wear to establish respectively in two locating holes to two bolts all are located spout 50, and the tip of two bolts all is fastened the nut. The above structure can fix the position between the first section 21 and the second section 22 and prevent relative rotation therebetween.

As shown in fig. 2 and 4, in the solution of the present embodiment, a first connection hole 211 is provided on an end of the first section 21 facing away from the second section 22, the rope presser further includes a first connection shaft 70, the first connection shaft 70 is inserted into the first connection hole 211, and the first connection shaft 70 is adapted to be rotatably connected to an external structure. Specifically, the first connection shaft 70 passes through the outer structure and the first connection hole 211, respectively, so that the first segment 21 is rotatable with respect to the outer structure, thereby making the swing arm 20 rotatable with respect to the outer structure as a whole.

As shown in fig. 2 and 5, in the technical solution of the present embodiment, a second connection hole 221 is provided on an end of the second segment 22 away from the first segment 21, and the rope pressing device further includes a second connection shaft 80, wherein the second connection shaft 80 is inserted into the second connection hole 221 and is fixedly connected to the second connection hole 221. The rope presser further includes a connecting plate 100, wherein one end of the second connecting shaft 80 is adapted to be fixedly connected to a first end of the connecting plate 100, a second end of the second connecting shaft 80 is adapted to be connected to the elastic member 30, and a second end of the connecting plate 100 is rotatably connected to the presser wheel shaft 11. Specifically, in this embodiment, the elastic element applies an upward elastic force to the end of the second section 22 away from the first section 21, so that the second end of the swing arm 20 is subjected to the upward elastic force, the second connecting shaft 80 transmits the elastic force to the connecting plate 100, and then the connecting plate 100 transmits the elastic force to the pinch roller shaft 11, so that the pinch roller 10 can compress the steel wire rope. Further, a second end of the connecting plate 100 is provided with a hole (not shown), and the second end of the connecting plate 100 is sleeved on the pinch roller shaft 11 through the hole, so that the pinch roller 10 can rotate relative to the second end of the connecting plate 100.

Preferably, the second segment 22, the second connecting shaft 80 and the connecting plate 100 are connected together by welding. Of course, the three can also be fixedly connected together by other connection modes.

As shown in fig. 2, in the present embodiment, the elastic member 30 is a spring, the cord pressing device further includes a connecting seat 90, a first end of the spring is connected to the connecting seat 90, the connecting seat 90 is suitable for being connected to an external structure, wherein an adjusting structure 91 for adjusting a tension degree of the spring is disposed on the connecting seat 90. Specifically, the adjustment structure 91 can adjust the tension of the spring, thereby changing the elastic force applied by the spring to the swing arm 20. As can be seen from fig. 2, the adjustment structure 91 is a stud, and the upper end of the spring is connected to the lower end of the stud by a hook. The connecting seat 90 is provided with a through hole, the stud penetrates through the through hole, and the upper end of the stud is provided with a nut. By screwing the nut, the position of the nut on the stud is adjusted, so that the contraction degree of the spring can be adjusted, and the elastic force applied by the spring to the pressing wheel 10 is further adjusted.

It should be noted that, as described above, only one of the two swing arms 20 in the present embodiment is in a telescopic structure, that is, one swing arm 20 is provided with the above-mentioned segmented structure (divided into the first segment 21 and the second segment 22). The other swing arm 20 is of unitary construction and of fixed length. Further, compared to the swing arm 20 with a segmented structure, the swing arm 20 with a fixed length has the same arrangement of the elastic member, the first connecting shaft 70, the second connecting shaft 80 and the connecting plate 100 (as can be seen from fig. 2), and will not be described again.

According to the above description, the present embodiment also includes the following advantages:

1. the swing arm 20 of adjustable length of this embodiment dismouting is convenient, and is fixed through bolt and screw cooperation, simple structure, and the reliability is high.

2. The problem that the rope pressing device cannot compress the steel wire rope is solved by adjusting the length of the swing arm 20, the service life of the rope pressing device is prolonged, and the cost is saved.

The embodiment also provides a rotary drilling rig which comprises the rope pressing device.

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 invention.

Claims

1. A rope presser, comprising:

a press wheel (10), said press wheel (10) comprising a press wheel shaft (11);

the two swing arms (20) are respectively arranged on two sides of the pinch roller (10), the first ends of the swing arms (20) are suitable for being rotatably connected to an external structure, and the second ends of the swing arms (20) are connected to a pinch roller shaft (11) of the pinch roller (10);

two elastic members (30) respectively connected with the two swing arms (20), wherein a first end of each elastic member (30) is suitable for being connected to an external structure, a second end of each elastic member (30) is connected to the corresponding swing arm (20),

wherein the two swing arms (20) or one of the two swing arms (20) is configured as a telescopic structure.

2. The rope presser of claim 1, characterized in that the swing arm (20) comprises:

a first section (21) and a second section (22), said first section (21) and said second section (22) being interconnected and adjustable in relative position;

a fixing structure (40) arranged between the first section (21) and the second section (22) and used for fixing the relative position of the first section (21) and the second section (22).

3. The rope presser of claim 2, wherein the first section (21) and the second section (22) are partially overlapped, one of the first section (21) and the second section (22) is provided with a sliding groove (50), the other is provided with a positioning hole (60), the fixing structure (40) comprises a positioning column (41) and a fastening piece (42), the positioning column (41) is arranged in the sliding groove (50) and the positioning hole (60) in a penetrating manner, and the fastening piece (42) is arranged at the end part of the positioning column (41).

4. The rope press as claimed in claim 3, wherein the positioning column (41) is a bolt and the fastening element (42) is a nut fitted over the bolt.

5. The rope pressing device as claimed in claim 3 or 4, wherein the number of the positioning holes (60) is two, the number of the positioning pillars (41) is two, and the two positioning pillars (41) are respectively arranged in the two positioning holes (60) in a penetrating manner.

6. Rope presser according to claim 2, characterized in that a first connection hole (211) is provided on the end of the first section (21) facing away from the second section (22), the rope presser further comprising a first connection shaft (70), the first connection shaft (70) being inserted in the first connection hole (211), and the first connection shaft (70) being adapted to be rotatably connected to an external structure.

7. The rope presser according to claim 2, characterized in that a second connecting hole (221) is provided on the end of the second segment (22) facing away from the first segment (21), and further comprising a second connecting shaft (80), the second connecting shaft (80) being inserted and fixedly connected in the second connecting hole (221), wherein the rope presser further comprises a connecting plate (100), a first end of the second connecting shaft (80) being fixedly connected to a first end of the connecting plate (100), a second end of the second connecting shaft (80) being adapted to be connected to the elastic member (30), and a second end of the connecting plate (100) being rotatably connected to the presser wheel shaft (11).

8. Rope presser according to claim 7, characterized in that the second segment (22), the second connecting shaft (80) and the connecting plate (100) are connected together by welding.

9. The rope presser of claim 1, wherein the elastic member (30) is a spring, and further comprising a connecting seat (90), a first end of the spring being connected with the connecting seat (90), the connecting seat (90) being adapted to be connected to an external structure, wherein the connecting seat (90) is provided with an adjusting structure (91) for adjusting a tension degree of the spring.

10. A rotary drilling rig comprising a rope pressing device, wherein the rope pressing device is the rope pressing device of any one of claims 1 to 9.