CN217950295U

CN217950295U - Novel closed loop type power elevator

Info

Publication number: CN217950295U
Application number: CN202220977139.1U
Authority: CN
Inventors: 管永祥; 王峰; 陈世龙; 吕文杰; 胡宝军
Original assignee: Jiangsu Rutong Petro Machinery Co ltd
Current assignee: Jiangsu Rutong Petro Machinery Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-12-02
Anticipated expiration: 2032-04-24

Abstract

The utility model discloses a novel closed loop formula power elevator, including the elevator body, inside lining, with the rotatory complex closed loop of inside lining, the periphery of the elevator body can be embraced with reciprocating has the slide, the slope slide opening has been seted up on the slide, slidable ground is equipped with the driving lever in the slope slide opening, horizontal slide opening has been seted up on the elevator body, the driving lever passes horizontal slide opening and can dismantle with the closed loop and be connected. The utility model discloses a novel shutting structure has been formed, shutting effect and durability have been promoted, and simultaneously, the substantive guarantee that has realized slide and closed loop is connected, has greatly promoted the stability of closed loop structural connection installation to improve the operation security, ensured the safety switch of power elevator, and guaranteed the convenience that inside lining and closed loop changed effectively, through changing inside lining and closed loop, still can adapt to the oil pipe of different specifications, this is that current closed loop formula power elevator is only possible one pair of adaptable multiple specification oil pipe's of elevator scheme.

Description

Novel closed loop type power elevator

Technical Field

The utility model relates to an oil bores well workover well head operation equipment technical field, specifically says, relates to a novel closed loop formula power elevator.

Background

When the well head operation of petroleum drilling and workover is carried out, the locking ring type power elevator is widely applied and is an important device for suspending tubular columns such as oil pipes and the like. Traditional locking ring formula power elevator is mostly the handle operation, drives the locking ring rotation through the manual handle rotation promptly to block the introduction opening of the elevator body, prevent that the tubular column from droing, however, this kind of power elevator has not satisfied the needs of oil field operation intelligent control, and its shutting effect is poor, and a pair of elevator body can only be suitable for a specification oil pipe, and is heavy and very easily cause the incident.

At present, there is an intelligently controlled locking ring type power elevator, for example, chinese patent, publication No. CN103590762A, which discloses a hydraulically driven oil pipe elevator, and it is proposed that "the hydraulically driven oil pipe elevator includes an elevator body, a central hole for holding an oil pipe is provided in the middle of the elevator body, a notch for oil pipe to pass in and out is provided at one side of the central hole, an open tooth ring and a rotationally movable locking ring are provided in the central hole, an arc-shaped rack is embedded in the outer surface of the locking ring, and a sector gear driven by a hydraulic motor is provided outside the elevator body and meshed with the arc-shaped rack of the locking ring through the elevator body.

Although the hydraulic control locking structure formed by the hydraulic motor in the prior art is arranged, the intelligent control and automatic operation of the locking ring type power elevator are realized to a certain extent, the hydraulic control locking structure in the prior art is only connected with the arc-shaped rack of the locking ring in a meshing way through the sector gear, and the stability of connection and installation is general, so that the overall operation safety is general, meanwhile, the meshing part of the arc-shaped rack and the sector gear is easy to wear due to long-term use, and the meshing of the gears can be influenced after the meshing part is polluted by oil wax falling from a pipe column, so that the service life and the locking effect are influenced; the power elevator driven by the hydraulic motor has extremely large weight and is inconvenient for workers to operate; in addition, the existing locking ring type power elevator at the present stage is usually an elevator body which can only adapt to an oil pipe with one specification, if tubular columns with multiple specifications are required to be buckled, a plurality of elevator bodies are required to be configured, the use cost of equipment is high, and the whole elevator needs to be replaced when an oil pipe with one specification is replaced, so that the operation and the use are extremely inconvenient.

For this reason, a new technical solution is required to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel locking ring formula power elevator to solve the locking ring formula power elevator of the current intelligent control that above-mentioned background art provided, life is general with the shutting effect, and can't ensure to compromise the stability of connecting the installation and the oil pipe that a pair elevator physical stamina adaptation multiple specification, thereby lead to the general technical problem of holistic operation security and convenience.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a novel closed loop type power elevator comprises an elevator body, a lining and a closed loop in rotary fit with the lining, wherein the closed loop and the lining are both in open arc structures, the lining is integrally provided with an annular base (namely the lining and the base form a lining type structure on the elevator body, the lining type structure is an annular base which is arranged in an integrated manner, the annular base can be designed with various sizes to adapt to tubular columns such as oil pipes of various specifications), the base and the periphery of the lining jointly form a bearing table top matched with the closed loop, the periphery of the elevator body can be encircled with a sliding plate in a vertically movable manner, an inclined sliding hole is formed in the sliding plate, a transverse sliding hole matched with the inclined sliding hole is formed in the elevator body in a sliding manner, a deflector rod penetrates through the transverse sliding hole and is detachably connected with the closed loop, a dovetail groove is formed in the top of the periphery of the closed loop, the deflector rod comprises a round rod and a dovetail block, the deflector rod penetrates through the inclined sliding hole and the transverse sliding hole, and the dovetail block is connected with the round rod, and the embedded block is arranged in the dovetail groove;

the power elevator further comprises a vertically arranged driving cylinder and a horizontal mounting seat for supporting the driving cylinder, the horizontal mounting seat is fixedly embraced at the middle position of the bottom of the periphery of the elevator body, two sides of the upper end of the periphery of the elevator body extend outwards in an integrated manner to form a vertical guide groove respectively, the sliding plate is in a semicircular shape with an opening facing the elevator body, two sides of the sliding plate bend outwards in an integrated manner to form a vertical guide plate respectively, the vertical guide grooves and the vertical guide plates are in one-to-one corresponding sliding fit and are arranged in a semi-surrounding manner relative to the vertical guide plates respectively, the transverse sliding hole is formed in the middle position of the two vertical guide grooves, the middle position of the top of the sliding plate extends upwards in an integrated manner to form an inverted L-shaped connecting plate, the end part of the horizontal end of the inverted L-shaped connecting plate is fixedly connected with the end part of a piston rod of the driving cylinder, and a splayed reinforcing plate for supporting the inverted L-shaped connecting plate is fixedly arranged on the lower surface of the inverted L-shaped connecting plate;

furthermore, the horizontal installation seat comprises a connecting vertical plate, an inner holding cavity matched with the outer periphery of the elevator body is formed in the inner side of the connecting vertical plate, a supporting bottom plate is horizontally extended integrally from the lower end of the outer side of the connecting vertical plate, and two sides of the upper surface of the supporting bottom plate are respectively and vertically connected with a protective baffle plate in a triangular structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in through having seted up the oblique slide hole on the slide plate, seted up the horizontal slide hole on the elevator body, the slidable assembly driving lever in the oblique slide hole, the driving lever passes the cooperation setting that the horizontal slide hole can be dismantled with the locking ring and is connected, makes when the slide plate reciprocates, drives the driving lever and also correspondingly in the oblique slide hole of slide plate and the horizontal slide hole of elevator body synchronous motion, and because receive the limiting displacement of elevator body horizontal slide hole, the driving lever can only rotate around the axial lead level of locking ring, and then drives the shutting and encircle self axial lead level rotation, cooperates with the inside lining, finally realizes the shutting of power elevator, the utility model discloses utilize slide plate, elevator body, driving lever, locking ring and inside lining cooperative operation, form novel shutting structure, greatly promoted shutting effect and durability, simultaneously, in whole operation process, utilize the driving lever as the intermediate junction spare, realized the substantive guarantee connection of slide plate and locking ring, greatly promoted the stability of shutting structure connection installation, thereby improved whole operation security, guaranteed the safe opening and closing of power elevator, and the driving lever still for dismantling the connection with the locking ring, still changed effectively the inside lining and the convenience of oil pipe in a variety of operation, the suitability of the promotion specification, promoted the tubular column;

2. in the utility model, the stability of the up-and-down motion process of the slide plate driven by the driving cylinder is further improved through the matching arrangement of the vertical guide rail on the slide plate and the vertical guide groove on the elevator body and the matching arrangement of the slide plate and the driving cylinder mounting seat respectively embracing the periphery of the elevator body, thereby further improving the overall operation safety and the locking effect;

3. the utility model discloses in through the cooperation setting of the dovetail of locking ring and the forked tail piece of driving lever, realized the dovetail of locking ring and driving lever and be connected, guaranteed effectively that the locking ring is connected the installation with separating with the driving lever fast, thereby when guaranteeing the stability of shutting structural connection installation, can take out locking ring and original inside lining fast, install locking ring and the inside lining of new specification again, further guarantee the convenience that inside lining and locking ring changed, thereby be applicable to tubular columns such as oil pipe of multiple specification;

4. in the utility model, the base arranged under the inner lining and the periphery of the inner lining jointly form the arrangement of the bearing table board matched with the locking ring, thereby further ensuring the stable installation of the locking ring and the effective rotary matching of the locking ring and the inner lining, and further ensuring the overall operation safety;

5. the horizontal mounting seat in the utility model consists of the connecting vertical plate, the supporting bottom plate and the protective baffle, and the stable mounting of the driving cylinder is ensured through the cooperative matching of the connecting vertical plate, the supporting bottom plate and the protective baffle, thereby effectively ensuring the stability of the whole connecting mounting; meanwhile, the inverted L-shaped connecting plate connected between the driving cylinder and the sliding plate is formed by upward integral connection of the sliding plate, and a splayed reinforcing plate used for supporting the inverted L-shaped connecting plate is fixedly arranged on the lower surface of the inverted L-shaped connecting plate, so that the stability of integral connection and installation is further ensured, and the operation safety is ensured;

6. the locking ring type power elevator in the utility model is innovatively provided with the structure of the detachable lining on the elevator body, and can adapt to oil pipes with different pipe diameters by changing the sizes of the inner arcs of the lining and the locking ring; when an oil pipe of another specification needs to be buckled, only the lining and the locking ring need to be replaced, the replacement is simple and convenient, and only the lining and the locking ring need to be pulled out and replaced with new ones. The technical scheme solves the problem that one pair of the existing locking ring type elevators can only be suitable for oil pipes of one specification.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a third schematic view of the overall structure of the present invention (the slide plate and the driving cylinder are omitted);

FIG. 4 is a schematic view of the structure of the lining of the present invention;

fig. 5 is a schematic structural view of the locking ring of the present invention;

FIG. 6 is a schematic structural view of the shift lever of the present invention;

fig. 7 is a first schematic view of the working principle of the present invention (the power elevator is in an open state);

fig. 8 is a schematic view of the working principle of the present invention (the closed state of the power elevator);

in the figure: 1. the driving cylinder, 2, the locking ring, 21, the dovetail groove, 3, the inside lining, 31, the base, 32, bear the mesa, 4, the slide, 41, the slope slide opening, 5, the driving lever, 51, the round bar, 52, the forked tail piece, 6, the elevator body, 61, horizontal slide opening, 62, the opening, 7, horizontal mount pad, 71, connect the riser, 72, the cohesion inner chamber, 73, the supporting baseplate, 74, guard flap, 8, the type of falling L connecting plate, 9, splayed reinforcing plate, 10, vertical deflector, 11, vertical guide way.

Detailed Description

The following examples are provided to further illustrate the invention and are not intended to limit its application.

Referring to fig. 1 to 8, a novel locking ring type power elevator is shown, which includes an elevator body 6, a driving cylinder 1 (which may be an air cylinder or a hydraulic cylinder) arranged in parallel with respect to the elevator body 6, and a sliding plate 2 having a semi-circular structure with an opening facing the elevator body 6 (basic structures such as a control valve capable of being operated remotely, a gap 62 through which a tubular column such as an oil supply pipe enters and exits, and the like, which are provided on the existing locking ring type power elevator, are not specifically described herein, but should not be limited to the implementation of functions thereof), an inverted L-shaped connecting plate 8 is integrally extended upward at a middle position of the top of the sliding plate 2, a splayed reinforcing plate 9 is fixedly supported on the lower surface of the inverted L-shaped connecting plate 8, a horizontal end portion of the inverted L-shaped connecting plate 8 is fixedly connected with an end portion of a piston rod of the driving cylinder 1, the sliding plate 2 is movably held in a middle position of an upper end of the periphery of the elevator body 1 by the inverted L-shaped connecting plate 8 and the driving cylinder 1, two sides of the semi-circular structure of the sliding plate 2 are respectively bent outward to form a vertical guide plate 9, an integrated locking ring-shaped guide plate 3, a vertical inner liner 3 is formed by corresponding to an integrated sliding lining 3, a vertical inner liner 3 is provided on the upper side of the upper end of the integrated locking ring base, and a vertical inner liner 3, and a vertical inner liner 3 is provided on the inner liner 3, and a vertical inner liner 3, a vertical inner liner 3 is provided on the inner liner 3;

furthermore, a dovetail groove 21 is formed in the top of the periphery of the locking ring 2, a dovetail block 52 is embedded in the dovetail groove 21, a transverse sliding hole 61 is formed in the middle of two vertical guide grooves 10 on the elevator body 6, an inclined sliding hole 41 correspondingly matched with the transverse sliding hole 61 is formed in the sliding plate 4, a round rod 51 is slidably assembled in the inclined sliding hole 41, and the round rod 51 horizontally penetrates through the transverse sliding hole 61 and then is integrally connected with the dovetail block 52 to form a shifting rod 5;

further, the fixed cohesion of the periphery bottom intermediate position of the elevator body 1 has connected riser 71, the inboard of connecting riser 71 is formed with the cohesion inner chamber 72 with elevator body 6 periphery looks adaptation, the outside lower extreme integral type of connecting riser 71 extends and is formed with the supporting baseplate 73 of level setting, the upper surface bilateral symmetry of supporting baseplate 73 is vertical to be connected with guard flap 74, guard flap 74 is the triangle-shaped, guard flap 74, supporting baseplate 73 and connecting riser 71 constitute the horizontal installation seat 7 who is used for supporting driving cylinder 1 jointly.

When the power elevator works, the piston rod of the driving cylinder 1 stretches and retracts, the sliding plate 4 is driven by the inverted L-shaped connecting plate 8 to move up and down on the periphery of the elevator body 6, the driving lever 5 is further driven to move in the inclined sliding hole 41 of the sliding plate 4 correspondingly, at the moment, the driving lever 5 is simultaneously arranged in the transverse sliding hole 61 of the elevator body 6 in a penetrating mode and is limited by the transverse sliding hole 61, the driving lever 5 can only rotate around the axis of the locking ring 2 in a local horizontal mode, the driving lever 5 is connected with the locking ring 2 through the dovetail groove 21 of the locking ring 2, the horizontal rotation of the driving lever 5 further drives the locking ring 2 to rotate around the axis of the locking ring 2, and therefore the opening 62 of the elevator body 6 is blocked or separated, and the power elevator is closed and opened (in addition, due to the fact that the eccentric distance exists between the circle center of the locking ring 2 and the circle center of the elevator body 6, after the locking ring 2 rotates, the inner arc of the locking ring 2 and the inner hole of the elevator body 6 are basically located on the same circle).

Claims

1. The utility model provides a novel closed loop formula power elevator, includes the elevator body, inside lining, with the rotatory complex closed loop of inside lining, its characterized in that, the periphery of the elevator body has embraced the slide with reciprocating, the inclined slide hole has been seted up on the slide, the slidable is equipped with the driving lever in the inclined slide hole, set up the horizontal slide hole with inclined slide hole matched with on the elevator body, the driving lever passes horizontal slide hole and can dismantle with the closed loop and be connected.

2. The novel locking ring type power elevator is characterized in that a dovetail groove is formed in the top of the periphery of the locking ring, the deflector rod comprises a round rod and a dovetail block, the round rod penetrates through the inclined sliding hole and the transverse sliding hole, the dovetail block is integrally connected with the round rod, and the dovetail block is embedded in the dovetail groove.

3. The novel closed loop type power elevator as claimed in claim 2, wherein the closed loop and the lining are both in open arc structure, the lining is integrally provided with an annular base, and the base and the outer periphery of the lining together form a bearing table matched with the closed loop.

4. The novel closed loop type power elevator as claimed in claim 1, further comprising a vertically arranged driving cylinder, wherein the sliding plate is in the shape of a semi-circular ring with an opening facing the elevator body and has an inverted L-shaped connecting plate integrally extending upwards from a top middle position, a horizontal end of the inverted L-shaped connecting plate is fixedly connected with an end of a piston rod of the driving cylinder, and a splayed reinforcing plate for supporting the inverted L-shaped connecting plate is fixedly arranged on a lower surface of the inverted L-shaped connecting plate.

5. The novel locking ring type power elevator as claimed in claim 4, wherein the slide plate is bent integrally from two sides to the outside to form a vertical guide plate, the elevator body is extended integrally from two sides to the outside at the upper end of the periphery to form a vertical guide slot, the vertical guide slots and the vertical guide plates are slidably fitted in a one-to-one correspondence and are respectively disposed in a semi-surrounding manner with respect to the vertical guide plates, and the lateral slide hole is disposed at the middle position between the two vertical guide slots.

6. The novel closed loop power elevator as claimed in claim 4, further comprising a horizontal mounting seat for supporting the driving cylinder, wherein the horizontal mounting seat is fixedly clasped to the middle position of the bottom of the periphery of the elevator body.

7. The novel locking ring type power elevator as claimed in claim 6, wherein the horizontal mounting seat comprises a connecting vertical plate, an inner cavity matched with the outer periphery of the elevator body is formed on the inner side of the connecting vertical plate, a supporting bottom plate is formed by integrally and horizontally extending the lower end of the outer side of the connecting vertical plate, and two sides of the upper surface of the supporting bottom plate are vertically connected with a protective baffle plate in a triangular structure respectively.