CN217681607U

CN217681607U - Luffing mechanism and rotary drilling rig

Info

Publication number: CN217681607U
Application number: CN202221916108.1U
Authority: CN
Inventors: 张建辉; 安聪锋
Original assignee: Beijing Sany Intelligent Technology Co Ltd
Current assignee: Beijing Sany Intelligent Technology Co Ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-10-28
Anticipated expiration: 2032-07-22

Abstract

The utility model relates to an engineering machine tool technical field, concretely relates to luffing mechanism and dig rig soon. The luffing mechanism comprises: a connecting frame; one end of the swinging arm is suitable for being arranged on the chassis in a swinging mode, and the other end of the swinging arm is hinged with the connecting frame; the two supporting arms are arranged on the chassis at intervals and are connected with the chassis and the connecting frame, and the swing arm, the two supporting arms, the connecting frame and the chassis form a parallelogram structure; and the driving cylinder is arranged between the two supporting arms, one end of the driving cylinder is hinged with the chassis, the other end of the driving cylinder is hinged with the connecting frame, and the driving cylinder drives the connecting frame to lift. The utility model discloses set up a driving cylinder between two support arms, driving cylinder one end is articulated with the chassis, and the other end is articulated with the link, make full use of the space between two support arms, it is complicated effectively to have solved the swing arm structure of luffing mechanism among the prior art, is difficult to the problem of using on the limited cell type in space, has reduced the width of complete machine.

Description

Luffing mechanism and rotary drilling rig

Technical Field

The utility model relates to an engineering machine tool technical field, concretely relates to luffing mechanism and dig rig soon.

Background

The rotary drilling rig is a comprehensive drilling rig, can be used in various stratums, and has the characteristics of high hole forming speed, less pollution, strong maneuverability and the like.

For a small rotary drilling rig, the arrangement of each component is compact, the variable amplitude oil cylinders are generally arranged on two sides of a movable arm, the variable amplitude oil cylinders on the two sides can increase the width of the whole machine, and the problem that the variable amplitude oil cylinders are easy to interfere with a cab in the subsequent working process is also solved. Patent CN202483465U discloses a technical scheme of distributing a luffing cylinder inside two support rods, where the upper end of the luffing cylinder is connected with a boom, and a cylinder movement space needs to be reserved at the joint, and this arrangement weakens the structure of the boom, which is a main stressed component, and in order to solve this problem, the boom needs to be reinforced in the height direction to meet the strength requirement, so that the structure of the boom is complicated, and the overall dimension of the whole machine is increased.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in that luffing mechanism's movable arm structure is complicated, is difficult to the problem of using on the limited cell type in space to a luffing mechanism and dig the rig soon are provided.

In order to solve the above problem, the utility model provides a luffing mechanism, it includes: a connecting frame; one end of the swinging arm is suitable for being arranged on the chassis in a swinging manner, and the other end of the swinging arm is hinged with the connecting frame; the two supporting arms are arranged on the chassis at intervals and are connected with the chassis and the connecting frame, and the swinging arm, the two supporting arms, the connecting frame and the chassis form a parallelogram structure; and the driving cylinder is arranged between the two supporting arms, one end of the driving cylinder is hinged with the chassis, the other end of the driving cylinder is hinged with the connecting frame, and the driving cylinder drives the connecting frame to lift.

Optionally, the support arm is hinged to the chassis by a first hinge axis.

Optionally, the driving cylinder is hinged to the chassis through a second hinged shaft, and the second hinged shaft and the first hinged shaft are arranged in a staggered mode.

Optionally, the connecting frame includes a connecting column and two connecting plates, and the two connecting plates are arranged at an interval and connected through the connecting column.

Optionally, the drive cylinder is hinged to the connecting column.

Optionally, the swing arm is disposed between the two connecting plates, and the swing arm is hinged to the inner sides of the two connecting plates.

Optionally, the two support arms and the two connecting plates are arranged in one-to-one correspondence and hinged on the corresponding connecting plates.

Optionally, the connecting frame is of a triangular structure, the swing arm is hinged to a first corner of the connecting frame, the supporting arm is hinged to a second corner of the connecting frame, and a third corner of the connecting frame is adapted to be hinged to the mast.

Optionally, an angle detecting mechanism is further disposed on the swing arm.

The utility model also provides a dig rig soon, including chassis, mast, still include: in the luffing mechanism, the luffing mechanism is arranged on the chassis, and the connecting frame of the luffing mechanism is connected with the mast.

The utility model has the advantages of it is following:

1. the driving cylinder is arranged between the two supporting arms, one end of the driving cylinder is hinged to the chassis, the other end of the driving cylinder is hinged to the connecting frame, the driving cylinder can directly drive the connecting frame to move, the space between the two supporting arms is fully utilized, the problems that a movable arm structure of an amplitude variation mechanism is complex and the application is difficult to achieve on a small machine type with limited space in the prior art are effectively solved, the driving cylinder is adopted, the width of the whole machine can be reduced, the overall dimension is smaller, the movable arm structure and the overall dimension are simplified, the limitation of the small machine type by the space is met, meanwhile, the arrangement space of the amplitude variation oil cylinder and other components is increased, and the mounting and the maintenance are convenient.

2. Two support arms adopt an articulated shaft to articulate respectively alone and leave the space in the middle of two articulated seats, and such articulated mode can prevent effectively that first articulated shaft from taking place to interfere with the actuating cylinder, and two support arms are articulated respectively can make its later stage inspection maintain more conveniently.

3. The driving cylinder articulates on the spliced pole, can effectively utilize the inner space of link, and the driving cylinder articulates and can also reduce two extra connection structure on the connecting pole on the spliced pole, prevents that the structural strength of two connecting plates from descending, only sets up a driving cylinder and has not only reduced spare part, still makes to leave the space between two connecting plates, overhauls for later stage staff and maintains and provide convenience.

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 elevation view of a luffing mechanism according to an embodiment of the invention;

fig. 2 shows a three-dimensional schematic view of the horn of fig. 1.

Description of reference numerals:

10. a swing arm; 20. a support arm; 21. a first hinge shaft; 30. a driving cylinder; 31. a second hinge shaft; 40. a connecting frame; 41. a connecting plate; 42. connecting columns; 50. a chassis.

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 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 2, the horn of the present embodiment includes: a connecting frame 40, a swing arm 10, two supporting arms 20 and a driving cylinder 30; one end of the swing arm 10 is arranged on the chassis 50 in a swinging way, and the other end is hinged with the connecting frame 40; the two supporting arms 20 are arranged on the chassis 50 at intervals and are connected with the chassis 50 and the connecting frame 40, and the swing arm 10, the two supporting arms 20, the connecting frame 40 and the chassis 50 form a parallelogram structure; a driving cylinder 30 is arranged between the two supporting arms 20, one end of the driving cylinder 30 is hinged with the chassis 50, the other end of the driving cylinder 30 is hinged with the connecting frame 40, and the driving cylinder 30 drives the connecting frame 40 to ascend and descend.

The luffing mechanism of the embodiment is applied, one driving cylinder 30 is arranged between the two supporting arms 20, one end of the driving cylinder 30 is hinged with the chassis 50, the other end of the driving cylinder 30 is hinged with the connecting frame 40, the driving cylinder 30 can directly drive the connecting frame 40 to move, the space between the two supporting arms 20 is fully utilized, the problems that a movable arm structure of the luffing mechanism is complex and is difficult to apply on a small machine type with limited space in the prior art are effectively solved, the width of the whole machine can be reduced by adopting one driving cylinder 30, the overall dimension is smaller, the movable arm structure and the overall dimension are simplified, the limitation that the small machine type is limited by the space is met, meanwhile, the layout space of the luffing cylinder and other components is increased, and the installation and maintenance are convenient.

In the present embodiment, the supporting arm 20 is hinged to the chassis 50 through the first hinge shaft 21, and the supporting arm 20 is parallel to the swing arm 10, which has a simple structure and can effectively support the connecting frame 40.

Specifically, the specific form of the support arm 20 is not limited, and the connection frame 40 can be reliably supported, the two support arms 20 may be hinged by using the same hinge shaft, or may be hinged by using one hinge shaft separately, preferably, the two support arms 20 are hinged by using one hinge shaft separately, and a space is left between the two hinge seats, so that the first hinge shaft 21 can be effectively prevented from interfering with the driving cylinder 30, and the two support arms 20 are hinged separately, so that the later inspection and maintenance can be more convenient.

In this embodiment, the driving cylinder 30 is hinged to the chassis 50 through the second hinge shaft 31, the second hinge shaft 31 and the first hinge shaft 21 are arranged in a staggered mode, the second hinge shaft 31 and the first hinge shaft 21 are not coaxially arranged, the driving cylinder 30 is hinged to the chassis 50 independently, the problem that one hinge shaft is easy to damage when the hinge shaft is coaxially arranged can be effectively avoided, and the hinge reliability is improved while the installation and the maintenance are simpler and more convenient. It is to be understood that second hinge shaft 31 may be coaxially disposed with first hinge shaft 21.

In this embodiment, link 40 includes spliced pole 42 and two connecting plates 41, and two connecting plates 41 intervals set up and connect through spliced pole 42, and spliced pole 42 sets up the middle part at two connecting plates 41 for the inner space increase of link 40 provides convenience for the later stage staff overhauls and maintains.

In particular, the specific structure of the connecting column 42 may be a prism, a cylinder, etc., which can effectively support the two connecting plates 41 and meet the requirement of working strength, and is preferably a hollow cylinder, so that the structure has better torsion resistance and the overall weight of the connecting frame 40 is lighter.

In this embodiment, the actuating cylinder 30 articulates on spliced pole 42, can effectively utilize the inner space of link 40, the actuating cylinder 30 articulates on spliced pole 42 and can also reduce two extra connection structure on the connecting plate 41, prevents that the structural strength of two connecting plates 41 from descending, only sets up an actuating cylinder 30 and has not only reduced spare part, still makes and leaves the space between two connecting plates 41, overhauls for later stage staff and maintains and provides convenience.

Particularly, the support arm 20 needs to satisfy its intensity demand as the main atress part, if articulate the actuating cylinder 30 on support arm 20, support arm 20 needs strengthen in the direction of height for its structure is complicated overall dimension bigger, therefore actuating cylinder 30 articulates structure and the overall dimension that has still simplified support arm 20 on spliced pole 42, further satisfy the demand of small model to the space, actuating cylinder 30 can be the cylinder also can be hydro-cylinder or electric cylinder, select according to the user demand can, preferably the hydro-cylinder, its bearing capacity is stronger, safety and reliability.

In the present embodiment, the swing arm 10 is disposed between the two connecting plates 41, the swing arm 10 is hinged to the inner sides of the two connecting plates 41, the hinged position of the swing arm does not affect the swing of the driving cylinder 30, and the simultaneous hinge of the two sides also ensures the connection strength. It will be appreciated that the oscillating arm 10 may also be hinged to the outer sides of the two connecting plates 41.

In this embodiment, two support arms 20 and two connecting plates 41 are arranged in a one-to-one correspondence and hinged on the corresponding connecting plates 41, so that the structure is simple, and the working process is more stable and reliable.

In the present embodiment, the connecting frame 40 is a triangular structure, the swing arm 10 is hinged on a first corner of the connecting frame 40, the supporting arm 20 is hinged on a second corner of the connecting frame 40, and a third corner of the connecting frame 40 is suitable for being hinged with the mast, so that the connecting frame 40 with the triangular structure is more stable, and the whole structure is simpler and does not block the movement of other parts. It will be appreciated that the connecting frame 40 may have other configurations that can stably connect the various components and operate properly.

In this embodiment, the swing arm 10 is further provided with an angle detection mechanism, and the angle detection mechanism can accurately measure the swing angle of the swing arm 10, so as to effectively improve the operation precision of an operator.

The utility model also provides a dig rig soon, including chassis 50, mast, still include: the luffing mechanism is arranged on the chassis 50, and the connecting frame 40 of the luffing mechanism is connected with the mast.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

1. a driving cylinder 30 is arranged between the two supporting arms 20, one end of the driving cylinder 30 is hinged with the chassis 50, the other end of the driving cylinder 30 is hinged with the connecting frame 40, the driving cylinder 30 can directly drive the connecting frame 40 to move, the space between the two supporting arms 20 is fully utilized, and the overall dimension is smaller.

2. Drive cylinder 30 is articulated with chassis 50 through second articulated shaft 31, and second articulated shaft 31 and first articulated shaft 21 dislocation arrangement, second articulated shaft 31 and first articulated shaft 21 are not coaxial setting, and drive cylinder 30 articulates on chassis 50 alone, the easy problem of damaging of articulated shaft when can effectively avoiding its coaxial setting also makes the installation more simple and convenient with the maintenance when promoting articulated reliability.

3. A driving cylinder 30 is hinged on the connecting column 42, so that parts are reduced, a space is reserved between the two connecting plates 41, and convenience is brought to later-stage workers for overhauling and maintaining.

4. The driving cylinder 30 is hinged on the connecting column 42 instead of the supporting arm 20, so that the supporting arm 20 does not need to be reinforced in the height direction, the structure and the external dimension of the supporting arm 20 are simplified, and the requirement of a small machine type on space is further met.

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 can be made without departing from the scope of the invention.

Claims

1. A horn mechanism, comprising:

a connecting frame (40);

the swing arm (10) is arranged on the chassis (50) in a swinging mode at one end, and the other end of the swing arm is hinged with the connecting frame (40);

the two supporting arms (20) are arranged on the chassis (50) at intervals and are connected with the chassis (50) and the connecting frame (40), and the swinging arm (10), the two supporting arms (20), the connecting frame (40) and the chassis (50) form a parallelogram structure;

the driving cylinder (30) is arranged between the two supporting arms (20), one end of the driving cylinder (30) is hinged with the chassis (50) and the other end of the driving cylinder is hinged with the connecting frame (40), and the driving cylinder (30) drives the connecting frame (40) to lift.

2. The luffing mechanism of claim 1 wherein said support arm (20) is articulated to said chassis (50) by a first articulation axis (21).

3. The luffing mechanism according to claim 2, wherein the drive cylinder (30) is articulated to the chassis (50) via a second articulation axis (31), the second articulation axis (31) being arranged offset to the first articulation axis (21).

4. The luffing mechanism according to claim 1, wherein the connecting frame (40) comprises a connecting column (42) and two connecting plates (41), wherein the two connecting plates (41) are arranged at a distance from each other and are connected by the connecting column (42).

5. The luffing mechanism of claim 4 wherein the drive cylinder (30) is articulated to the connecting column (42).

6. The luffing mechanism of claim 4 wherein said oscillating arm (10) is disposed between two of said web plates (41), said oscillating arm (10) being articulated to the inside of both of said web plates (41).

7. The luffing mechanism of claim 4, wherein two of said support arms (20) are disposed in one-to-one correspondence with two of said connecting plates (41) and are hinged to the corresponding connecting plate (41).

8. The luffing mechanism of any one of claims 1 to 7 wherein said connecting frame (40) is a triangular structure, said swing arm (10) being articulated at a first corner of said connecting frame (40), said support arm (20) being articulated at a second corner of said connecting frame (40), a third corner of said connecting frame (40) being adapted to be articulated with a mast.

9. The luffing mechanism according to any one of claims 1 to 7, wherein the oscillating arm (10) is further provided with an angle detection means.

10. The utility model provides a rotary drilling rig, includes chassis (50), mast, its characterized in that still includes: the horn of any one of claims 1 to 9, which is disposed on the chassis (50), the connecting frame (40) of the horn being connected to the mast.