CN218816279U - Turning device of hydraulic elevator - Google Patents

Abstract

The utility model relates to a turnover device of a hydraulic elevator, which comprises a box body, a turnover connecting piece, a driving mechanism and a connecting ring; the connecting ring is arranged at the top of the box body, the axial direction of the connecting ring is vertically oriented, the overturning connecting piece is rotatably arranged at the bottom of the box body, the driving mechanism is arranged inside the box body and is connected with the overturning connecting piece so as to drive the overturning connecting piece to rotate in a vertical plane; the transverse size of the front side and the rear side of the box body is 135-145 mm, and the diameter of the inner circle of the connecting ring is 210-230 mm. Its beneficial effect is that, this turning device's transverse structure size is littleer, and its shared space still less can avoid driving the cable with the top and take place to interfere, and then is suitable for the transformation of old land rig, and application scope is wider, and this turning device's weight is also littleer, and is littleer to the action of gravity of rings.

Description

Turning device of hydraulic elevator

Technical Field

The utility model relates to an oil drilling technical field especially relates to a turning device of hydraulic elevator.

Background

At present, in the petroleum drilling operation, more and more drilling machines at home and abroad use hydraulic elevators to lift and put drilling tools. Due to the fact that drilling tool operation positions of different drilling machines are different, the hydraulic elevator needs to be turned over at different angles, time and labor are wasted when the hydraulic elevator is manually inclined, and certain potential safety hazards exist. In order to solve the problem, the two sides of the hydraulic elevator are additionally provided with the turning devices, and the hydraulic elevator is driven by the turning devices to turn over a certain angle to adapt to the position of the drilling tool.

At the present stage, after the turning devices are installed on two sides of the hydraulic elevator of the old land drilling machine, the turning devices occupy more space due to larger transverse structural size of the turning devices, the old land drilling machine does not consider the transverse structural size of the turning devices at the beginning of design, when the hydraulic elevator is driven by the top drive to rotate, the turning devices can interfere with the top drive cables, the problem that the top drive cables are scraped or hung up frequently occurs, and the old land drilling machine is not suitable for reconstruction of the old land drilling machine.

Therefore, a turning device of a hydraulic elevator, which can avoid the interference with a top drive cable and has a wide application range, is needed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the above-mentioned shortcoming, the deficiency of prior art, the utility model provides a turning device of hydraulic elevator, it has solved the little technical problem of prior art application scope.

(II) technical scheme

In order to achieve the above object, the utility model discloses a main technical scheme include:

the utility model provides a turning device of hydraulic elevator, including box, upset connecting piece, actuating mechanism and go-between. The connecting ring is arranged at the top of the box body, the axial direction of the connecting ring is vertically oriented, the overturning connecting piece is rotatably arranged at the bottom of the box body, and the driving mechanism is arranged inside the box body and connected with the overturning connecting piece so as to drive the overturning connecting piece to rotate in a vertical plane. The transverse size of the front side and the rear side of the box body is 135-145 mm, and the diameter of the inner circle of the connecting ring is 210-230 mm.

Optionally, the flipping connecting piece comprises a flipping block and an arc-shaped connecting portion. The top end of the turnover block is rotatably arranged at the bottom of the box body, the rotation axis is transversely oriented, the top end of the turnover block is connected with the driving mechanism, and the arc-shaped connecting part is fixed on the side part of the turnover block.

Optionally, the arc-shaped connecting part and the connecting ring are located on the same side of the box body.

Optionally, the vertical length of the turning block is 315-325 mm.

Optionally, the drive mechanism comprises a telescopic drive, a first transmission member, a second transmission member and a third transmission member. The first end of the first transmission piece is rotatably installed in the box body, the power output end of the telescopic driver is rotatably connected with the second end of the first transmission piece, the first end of the second transmission piece is rotatably connected with the second end of the first transmission piece, and the second end of the second transmission piece is connected with the top end of the turnover connecting piece through a third transmission piece. The telescopic driver drives the first transmission piece to rotate in a vertical plane and drives the second transmission piece to rotate in the vertical plane, and the second transmission piece drives the third transmission piece to rotate in the vertical plane until the third transmission piece abuts against the edge of the top end of the turnover connecting piece, so that the turnover connecting piece is pushed to rotate in the vertical plane.

Optionally, the mounting position of the first end of the first transmission member in the box body is located above the mounting position of the turnover connection member in the box body.

Optionally, the first transmission member and the third transmission member rotate in the same direction.

Optionally, the telescopic drive is a single acting hydraulic cylinder.

Optionally, the driving mechanism can drive the turning connecting piece to rotate in a vertical plane by an angle of 0-90 °.

Optionally, the inner wall of the connecting ring is provided with a plurality of wear-resistant rods uniformly arranged along the circumferential direction of the connecting ring, and the upper part of the box body is provided with a safety rope.

(III) advantageous effects

The utility model has the advantages that:

the utility model provides a pair of turning device of hydraulic elevator connects the rings of hydraulic elevator through the go-between, connects the lateral part of hydraulic elevator through the upset connecting piece, through actuating mechanism drive turning device at vertical in-plane rotation to drive the upset of hydraulic elevator. The transverse sizes of the front side and the rear side of the box body and the connecting rings are reduced, so that the transverse structure size of the turnover device is reduced, on the basis of ensuring the normal use effect of the turnover device, the transverse size of the front side and the rear side of the box body is set to be 135-145 mm, and the diameter size of the inner circle of the connecting ring is set to be 210-230 mm. Compared with the prior art, the transverse structure size of the turnover device is smaller, the occupied space is less, the interference with a top drive cable can be avoided, the turnover device is suitable for the transformation of an old land drilling machine, the application range is wider, the weight of the turnover device is smaller, and the gravity effect on the lifting ring is smaller.

Drawings

Fig. 1 is a schematic structural view of a turning device of a hydraulic elevator according to an embodiment of the present invention;

fig. 2 is an exploded view of a turning device of a hydraulic elevator according to an embodiment of the present invention;

fig. 3 is a front view schematically illustrating a turning device of a hydraulic elevator according to an embodiment of the present invention;

fig. 4 is a schematic top view of a turning device of a hydraulic elevator according to an embodiment of the present invention;

fig. 5 is a schematic structural view of the turning device of the hydraulic elevator according to the embodiment of the present invention installed on both sides of the hydraulic elevator.

[ description of reference ]

1: a box body; 11: a safety rope;

2: turning over the connecting piece; 21: a turning block; 22: an arc-shaped connecting part;

3: a drive mechanism; 31: a telescopic driver; 32: a first transmission member; 33: a second transmission member; 34: a third transmission member;

4: a connecting ring; 41: a wear-resistant bar;

5: hydraulic elevator;

6: a lifting ring.

Detailed Description

In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. As used herein, the terms "upper," "lower," "front," "back," and the like are used with reference to the orientation of FIG. 1.

As shown in fig. 1 and 2, the embodiment of the present invention provides a turning device of a hydraulic elevator, which includes a box body 1, a turning connector 2, a driving mechanism 3, and a connection ring 4. The go-between 4 is installed at the top of box 1, and the axial of go-between 4 is vertical (up-down direction) directional, and upset connecting piece 2 rotationally installs in the bottom of box 1, and actuating mechanism 3 installs inside box 1 to connect upset connecting piece 2 to drive upset connecting piece 2 and rotate in vertical plane. Wherein, the transverse size of the front side and the rear side of the box body 1 is 135-145 mm, and the diameter size of the inner circle of the connecting ring 4 is 210-230 mm. Wherein, the driving mechanism 3 can drive the turning connecting piece 2 to rotate in a vertical plane by an angle of 0-90 degrees, and the turning using requirements of the hydraulic elevator 5 can be met.

Specifically, as shown in fig. 1 and 5, the lifting ring 6 of the hydraulic elevator 5 is connected through the connecting ring 4, the side part of the hydraulic elevator 5 is connected through the overturning connecting member 2, and the overturning device is driven by the driving mechanism 3 to rotate in a vertical plane so as to drive the hydraulic elevator 5 to overturn. The transverse sizes of the front side and the rear side of the box body 1 and the connecting ring 4 are reduced to reduce the transverse structural size of the turnover device and ensure the normal use effect of the turnover device, the transverse sizes of the front side and the rear side of the box body 1 are set to be 135-145 mm, and the diameter size of the inner circle of the connecting ring 4 is set to be 210-230 mm. Compared with the prior art, the transverse structure size of the turnover device is smaller, the occupied space is less, the interference with a top drive cable can be avoided, the turnover device is suitable for the transformation of an old land drilling machine, the application range is wider, the weight of the turnover device is smaller, and the gravity effect on the lifting ring 6 is smaller.

Further, as shown in fig. 1 and 5, the flip connector 2 includes a flip block 21 and an arc-shaped connection portion 22. The top end of the turning block 21 is rotatably arranged at the bottom of the box body 1, the rotation axis is oriented transversely (left-right direction), the top end of the turning block 21 is connected with the driving mechanism 3, the arc-shaped connecting part 22 is fixed at the side part (left-right direction) of the turning block 21, and the arc-shaped connecting part 22 and the connecting ring 4 are positioned at the same side of the box body 1. The two sides of the hydraulic elevator 5 are provided with an upper convex part and a lower convex part, the hanging ring 6 is connected with the upper convex part of the hydraulic elevator 5, and the two free ends of the arc-shaped connecting part 22 are respectively connected with the upper convex part of the hydraulic elevator 5 and the free ends of the lower convex part to form a closed ring shape, so that the hanging ring 6 is prevented from falling off on the one hand, and the hydraulic elevator 5 is convenient to drive on the other hand to turn over. Wherein, the vertical length of upset piece 21 is 315 ~ 325mm, compares in prior art, and this length of upset piece 21 is bigger. Specifically, actuating mechanism 3 is through the rotation of drive upset piece 21 in vertical plane, upset piece 21 passes through arc connecting portion 22 and drives the upset of hydraulic elevator 5, on the basis that does not influence the upset effect to hydraulic elevator 5, through the vertical length of increase upset piece 21, increase the arm of force length of upset piece 21 to hydraulic elevator 5 promptly, and then increase the moment of flexure effect of upset piece 21 to hydraulic elevator 5, make turning device can overturn the bigger hydraulic elevator 5 of weight under the effect of the same drive power, therefore, turning device can satisfy the hydraulic elevator 5 of different weights, the application scope of turning device is improved.

Further, as shown in fig. 2, the driving mechanism 3 includes a telescopic driver 31, a first transmission member 32, a second transmission member 33, and a third transmission member 34. The first end of the first transmission member 32 is rotatably installed in the box body 1, the power output end of the telescopic driver 31 is rotatably connected with the second end of the first transmission member 32, the first end of the second transmission member 33 is rotatably connected with the second end of the first transmission member 32, and the second end of the second transmission member 33 is connected with the top end of the turnover connection member 2 through the third transmission member 34. The telescopic driver 31 drives the first transmission member 32 to rotate in the vertical plane and drives the second transmission member 33 to rotate in the vertical plane, and the second transmission member 33 drives the third transmission member 34 to rotate in the vertical plane until the third transmission member abuts against the top edge of the turnover connection member 2, so as to push the turnover connection member 2 to rotate in the vertical plane. Therefore, the linear motion of the telescopic driver 31 is converted into the rotation in the vertical plane of the turnover connecting piece 2 through the first transmission piece 32, the second transmission piece 33 and the third transmission piece 34, and the turnover of the hydraulic elevator 5 is further realized. The first transmission member 32 and the third transmission member 34 rotate in the same direction, and the mounting position of the first end of the first transmission member 32 in the box 1 is located above the mounting position of the turnover connection member 2 in the box 1, so as to ensure that the turnover connection member 2 can be driven to rotate. Specifically, in the present embodiment, a first end of the first transmission member 32 is rotatably installed in the box body 1 through a first pin, a power output end of the telescopic driver 31 is rotatably connected to a second end of the first transmission member 32 through a second pin, a first end of the second transmission member 33 is rotatably connected to a second end of the first transmission member 32 through a third pin, a second end of the second transmission member 33 is rotatably connected to a first end of the third transmission member 34 through a fourth pin, and a second end of the third transmission member 34 and a top end of the turning block 21 are rotatably connected to the bottom of the box body 1 through a fifth pin. The top of upset piece 21 is rotationally connected the fifth round pin axle through the connecting portion of two ears type, and third driving medium 34 can rotate to the top edge of butt upset piece 21, and the position of third driving medium 34 butt has certain distance with the connecting portion of upset piece 21, so after the top edge of third driving medium 34 butt upset piece 21, continue to exert the effort to upset piece 21 through the butt position, upset piece 21 will rotate around its connecting portion.

Preferably, the telescopic actuator 31 is a single-acting hydraulic cylinder (which can only generate thrust and whose piston can only be reset by means of a return spring or by external force). Specifically, when hydraulic elevator 5 need overturn, the single-action pneumatic cylinder oil feed, the piston rod of single-action pneumatic cylinder stretches out and compresses reset spring, through first driving medium 32, second driving medium 33 and third driving medium 34 drive upset connecting piece 2 at vertical in-plane rotation, and then drive hydraulic elevator 5 and rotate to the upset state by vertical state, when needing to resume, generally for behind the 5 pass doors of hydraulic elevator, the oil return of single-action pneumatic cylinder, hydraulic elevator 5 is under the reset spring's of single-action pneumatic cylinder effect, resume to vertical state by the upset state. Therefore, the hydraulic elevator 5 can be automatically restored to the vertical state from the overturning state after the hydraulic elevator 5 is closed through the single-acting hydraulic cylinder.

Further, as shown in fig. 1 and 2, the inner wall of the connection ring 4 is provided with a plurality of wear-resistant bars 41 uniformly arranged along the circumferential direction thereof, and the upper portion of the case 1 is provided with a safety rope 11, the safety rope 11 being located below the connection ring 4. Through the vertical portion of wear-resisting stick 41 butt rings 6, increase the steadiness that go-between 4 and rings 6 are connected, safety rope 11 can encircle the vertical portion of rings 6, improves the security.

The utility model discloses embodiment provides a turning device of hydraulic elevator's theory of operation does, according to the angle that hydraulic elevator 5 needs to overturn, single-action pneumatic cylinder oil feed, certain distance compression reset spring is stretched out downwards to its piston rod, the first driving part 32 of piston rod drive is at vertical in-plane rotation, drive second driving part 33 at vertical in-plane rotation simultaneously, second driving part 33 drives third driving part 34 at the top edge of vertical in-plane rotation to butt upset piece 21, in order to promote upset piece 21 at vertical in-plane rotation, upset piece 21 drives 5 upset target angle of hydraulic elevator through arc connecting portion 22, hydraulic elevator 5 is rotated to the upset state by vertical state, behind hydraulic elevator 5 the close door, the single-action pneumatic cylinder oil return, under reset spring's effect, upset piece 21 resumes vertically, hydraulic elevator 5 resumes to vertical state by the upset state.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of indicated technical features is significant. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the 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.

In the present application, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.

In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. A turning device of a hydraulic elevator is characterized in that,

comprises a box body (1), a turnover connecting piece (2), a driving mechanism (3) and a connecting ring (4);

the connecting ring (4) is mounted at the top of the box body (1), the axial direction of the connecting ring (4) is vertically oriented, the overturning connecting piece (2) is rotatably mounted at the bottom of the box body (1), the driving mechanism (3) is mounted inside the box body (1) and connected with the overturning connecting piece (2) so as to drive the overturning connecting piece (2) to rotate in a vertical plane;

the transverse size of the front side and the rear side of the box body (1) is 135-145 mm, and the diameter of the inner circle of the connecting ring (4) is 210-230 mm.

2. The turning device of a hydraulic elevator as claimed in claim 1,

the turnover connecting piece (2) comprises a turnover block (21) and an arc-shaped connecting part (22);

the top end of the turnover block (21) is rotatably arranged at the bottom of the box body (1), the rotation axis is transversely oriented, the top end of the turnover block (21) is connected with the driving mechanism (3), and the arc-shaped connecting part (22) is fixed on the side part of the turnover block (21).

3. The turning device of a hydraulic elevator as claimed in claim 2,

the arc-shaped connecting part (22) and the connecting ring (4) are positioned on the same side of the box body (1).

4. The turning device of a hydraulic elevator as claimed in claim 2,

the vertical length of the turning block (21) is 315-325 mm.

5. The turning device of a hydraulic elevator as claimed in claim 1,

the driving mechanism (3) comprises a telescopic driver (31), a first transmission piece (32), a second transmission piece (33) and a third transmission piece (34);

the first end of the first transmission piece (32) is rotatably installed in the box body (1), the power output end of the telescopic driver (31) is rotatably connected with the second end of the first transmission piece (32), the first end of the second transmission piece (33) is rotatably connected with the second end of the first transmission piece (32), and the second end of the second transmission piece (33) is connected with the top end of the turnover connecting piece (2) through a third transmission piece (34);

the telescopic driver (31) drives the first transmission piece (32) to rotate in a vertical plane and drives the second transmission piece (33) to rotate in the vertical plane, and the second transmission piece (33) drives the third transmission piece (34) to rotate in the vertical plane until the third transmission piece abuts against the top end edge of the turnover connecting piece (2) so as to push the turnover connecting piece (2) to rotate in the vertical plane.

6. The turning device of a hydraulic elevator according to claim 5,

the mounting position of the first end of the first transmission piece (32) in the box body (1) is positioned above the mounting position of the turnover connecting piece (2) in the box body (1).

7. The turning device of a hydraulic elevator according to claim 5,

the first transmission piece (32) and the third transmission piece (34) have the same rotation direction.

8. The turning device of a hydraulic elevator according to claim 5,

the telescopic driver (31) is a single-acting hydraulic cylinder.

9. The turning device of a hydraulic elevator as claimed in claim 1,

the driving mechanism (3) can drive the overturning connecting piece (2) to rotate in a vertical plane by an angle of 0-90 degrees.

10. The turning device of a hydraulic elevator as claimed in claim 1,

the inner wall of the connecting ring (4) is provided with a plurality of wear-resistant rods (41) which are uniformly distributed along the circumferential direction of the connecting ring, and the upper part of the box body (1) is provided with a safety rope (11).

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