CN218716612U

CN218716612U - Vehicle-mounted non-guy rope workover rig

Info

Publication number: CN218716612U
Application number: CN202223235678.7U
Authority: CN
Inventors: 王学军; 赵增辉
Original assignee: Shengli Oilfield Shengli Power Machinery Group Co Ltd
Current assignee: Shengli Oilfield Shengli Power Machinery Group Co Ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-03-24
Anticipated expiration: 2032-12-05

Abstract

The utility model relates to a vehicular does not have guy wire workover rig technical field, specifically is vehicular does not have guy wire workover rig, including chassis car and the derrick assembly that sets up in the afterbody top of chassis car, the derrick assembly left and right sides is all the symmetric articulated stable landing leg that is connected with, the other end of electric telescopic handle is articulated the lateral wall of connecting stable landing leg; the stabilizing support leg comprises a support tube and a support rod, and the other end of the first screw rod is in threaded connection with the support rod; the derrick comprises a derrick assembly, and is characterized by further comprising two groups of limiting mechanisms, wherein the two groups of limiting mechanisms are symmetrically arranged on the left side and the right side of the derrick assembly; the limiting mechanism consists of a fixed limiting seat and a movable limiting seat, and a supporting tube is clamped and connected between the fixed limiting seat and the movable limiting seat. The utility model discloses a length adjustment of two sets of stable landing legs can support derrick assembly and work ground, increases the support stability, and the area of butt board and ground butt is convenient for adjust simultaneously, further increases stability, avoids the complete machine to take place to turn on one's side because wind-force is too big.

Description

Vehicle-mounted non-guy rope workover rig

Technical Field

The utility model relates to a vehicular does not have guy rope workover rig technical field specifically is vehicular does not have guy rope workover rig.

Background

The workover rig is a special device for maintaining an oil well in an oil field, the oil well which receives oil extraction for a long time can generate various faults, the non-workover rig which eliminates the faults belongs to the Morse, and the nominal hook load of the workover rig is different according to the difference of the depths of the oil wells. The non-guy rope workover rig is characterized in that an outer guy rope is cancelled in the design process of the workover rig, and only an inner guy rope is reserved; the workover rig must be in a stable state during operation, the stable state is kept by an outer guy rope in the conventional workover rig, and after the outer guy rope is cancelled, the stability of the workover rig operation must be ensured by the workover rig. The Chinese patent with the granted announcement number of CN202832201U discloses a vehicle-mounted tension-rope-free workover rig, which mainly comprises a chassis truck, a front support, an internal load tension rope, a pump box, a hydraulic torque converter, a transmission mechanism, a roller assembly and a derrick assembly. The utility model relates to a thinking is novel, realizes automatic operation, reduces intensity of labour, improves workover efficiency.

However, the above-mentioned known solutions have the following disadvantages: when the derrick assembly is lifted from the chassis truck for use, the height of the equipment assembly is increased, and then the center of gravity is raised.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is to the problem that exists among the background art, provides vehicular no guy rope workover rig.

The technical scheme of the utility model: the vehicle-mounted non-guy rope workover rig comprises a chassis truck and a derrick assembly arranged at the top end of the tail part of the chassis truck, wherein the left side and the right side of the derrick assembly are symmetrically hinged with stabilizing support legs, one side of the sidewall of the derrick assembly, which is positioned on the stabilizing support legs, is hinged with an electric telescopic rod, and the other end of the electric telescopic rod is hinged with the sidewall of the stabilizing support legs;

the stabilizing support leg comprises a support tube and a support rod, the support tube is sleeved outside the support rod, a servo motor is installed at the top end of an inner cavity of the support tube, the output end of the servo motor is in transmission connection with a first screw rod, and the other end of the first screw rod is in threaded connection with the support rod;

the derrick comprises a derrick assembly, and is characterized by further comprising two groups of limiting mechanisms, wherein the two groups of limiting mechanisms are symmetrically arranged on the left side and the right side of the derrick assembly and are used for limiting the stabilizing support legs on the side wall of the derrick assembly; the limiting mechanism is composed of a fixed limiting seat and a movable limiting seat, the fixed limiting seat is installed on the side wall of the derrick assembly, the fixed limiting seat is hinged with one end of the movable limiting seat, the fixed limiting seat is connected with the other end of the movable limiting seat through a bolt, and a supporting tube is clamped and connected between the fixed limiting seat and the movable limiting seat.

Preferably, one end of the electric telescopic rod far away from the derrick assembly is hinged with the side wall of the supporting pipe.

Preferably, the inner wall of stay tube symmetric connection has two sets of limiting plates, and the symmetry is provided with two sets of spouts on the bracing piece, limiting plate sliding connection spout.

Preferably, the hydraulic cylinder is installed to the one end that chassis car was kept away from to the stable landing leg, and the spheroid is installed to the output of pneumatic cylinder, and the spheroid rotates to be connected with the ball seat, and butt mechanism is installed to the ball seat bottom.

Preferably, butt mechanism includes butt board and extension board, and butt board inner chamber mid-mounting has double-shaft motor, and the equal transmission of two sets of outputs of double-shaft motor is connected with the second screw rod, and the extension board is provided with two sets ofly, two sets of extension board symmetric distribution at the inner wall of butt board and with butt board sliding connection, the other end threaded connection of second screw rod extends the inner wall of board.

Preferably, the bottom end of the abutting plate is uniformly distributed with a plurality of groups of anti-skidding teeth.

Preferably, a guide rod is arranged between the two groups of extension plates and is in sliding connection with the extension plates.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has: the length of the stabilizing support legs can be adjusted, so that the two groups of stabilizing support legs can stably support the left side and the right side of the derrick assembly, the integral gravity center of the derrick assembly and the chassis is prevented from rising and inclining, and the stabilizing support legs are convenient to store and avoid interfering the retraction of the derrick assembly; through the arrangement of the hydraulic cylinder, the ball body and the ball seat, the angle can be conveniently adjusted according to the flatness of the abutting ground, and the abutting stability of the abutting plate and the ground is improved; the contact area of the abutting plate and the abutting surface is increased conveniently through the abutting mechanism, the stability of connection of the abutting plate and the ground is further increased, and rollover caused by overlarge wind force in the working environment is avoided.

Drawings

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

FIG. 2 is a top view of the connection mode between the limiting mechanism and the derrick assembly of the present invention;

fig. 3 is a schematic view of the internal structure of the stabilizing leg of the present invention;

fig. 4 is a schematic structural view of the abutting mechanism of the present invention.

Reference numerals: 1. a chassis truck; 101. a derrick assembly; 102. fixing a limiting seat; 103. a movable limiting seat; 2. supporting a tube; 201. a support frame; 202. a first screw; 203. a servo motor; 204. a limiting plate; 3. a support bar; 301. a chute; 4. a hydraulic cylinder; 401. a sphere; 402. a ball seat; 5. a butt joint plate; 501. a double-shaft motor; 502. a second screw; 6. an extension plate; 601. a guide bar; 7. an electric telescopic rod.

Detailed Description

Example one

As shown in fig. 1, the vehicle-mounted type flat cable-free workover rig provided by the utility model comprises a chassis 1 and a derrick assembly 101 arranged at the top end of the tail part of the chassis 1, wherein the left side and the right side of the derrick assembly 101 are symmetrically hinged with stabilizing legs, one side of the side wall of the derrick assembly 101 and positioned on the stabilizing legs is hinged with an electric telescopic rod 7, and the other end of the electric telescopic rod 7 is hinged with the side wall of the stabilizing legs;

further, one end of the electric telescopic rod 7, which is far away from the derrick assembly 101, is hinged with the side wall of the supporting pipe 2;

as shown in fig. 1 and 3, the stabilizing leg comprises a supporting tube 2 and a supporting rod 3, the supporting tube 2 is sleeved outside the supporting rod 3, a servo motor 203 is installed at the top end of an inner cavity of the supporting tube 2, an output end of the servo motor 203 is connected with a first screw 202 in a transmission manner, and the other end of the first screw 202 is connected with the supporting rod 3 in a threaded manner;

furthermore, a supporting frame 201 is arranged in an inner cavity of the supporting tube 2, the first screw 202 is rotatably connected with the supporting frame 201 through a bearing, and the supporting frame 201 can limit the first screw 202, so that the first screw 202 is stably installed in the supporting tube 2, and the rotation of the first screw 202 is not interfered;

furthermore, two groups of limiting plates 204 are symmetrically connected to the inner wall of the supporting tube 2, two groups of sliding grooves 301 are symmetrically arranged on the supporting rod 3, the limiting plates 204 are slidably connected to the sliding grooves 301, and the limiting plates 204 and the sliding grooves 301 are arranged so that the supporting rod 3 can always slide up and down along the supporting tube 2;

as shown in fig. 1 and 2, the derrick structure further comprises two sets of limiting mechanisms, the two sets of limiting mechanisms are symmetrically arranged on the left side and the right side of the derrick assembly 101, and the limiting mechanisms are used for limiting the stabilizing support legs on the side wall of the derrick assembly 101; the limiting mechanism is composed of a fixed limiting seat 102 and a movable limiting seat 103, the fixed limiting seat 102 is installed on the side wall of the derrick assembly 101, the fixed limiting seat 102 is hinged with one end of the movable limiting seat 103, the fixed limiting seat 102 is connected with the other end of the movable limiting seat 103 through a bolt, and the supporting tube 2 is clamped and connected between the fixed limiting seat 102 and the movable limiting seat 103.

In the embodiment, the chassis 1 drives the derrick assembly 101 to move to a working site and raises the derrick assembly 101; the bolt is taken down, the movable limiting seat 103 is rotated and opened along the fixed limiting seat 102, the electric telescopic rod 7 is started through the controller, the output end of the electric telescopic rod 7 drives the supporting tube 2 to rotate outwards along the hinged position of the supporting tube 2 and the derrick assembly 101, the supporting tube 2 leaves the fixed limiting seat 102, after the electric telescopic rod 7 drives the supporting tube 2 to expand to a certain angle, the servo motor 203 is started through the controller to drive the first screw 202 to rotate, under the guiding action of the limiting plate 204 and the sliding groove 301, the supporting rod 3 slides outwards along the supporting tube 2, the integral length of the vehicle-mounted supporting leg is increased stably until the supporting rod 3 abuts against the ground of a working area of the non-guy rope workover rig, the derrick assembly 101 is effectively supported, the stability is improved, the inclination of the derrick assembly 101 caused by large wind power is avoided, the length adjustment can be carried out according to the actual use environment, the use limitation is reduced, the stability is improved, and the storage is convenient and the normal construction of the chassis truck 1 is not interfered.

Example two

As shown in fig. 1, fig. 3 and fig. 4, compared with the first embodiment, the vehicle-mounted tension-free workover rig provided by the present invention has the advantages that a hydraulic cylinder 4 is installed at one end of the stabilizing leg far away from the chassis truck 1, a ball 401 is installed at the output end of the hydraulic cylinder 4, the ball 401 is rotatably connected with a ball seat 402, and an abutting mechanism is installed at the bottom end of the ball seat 402; the butt mechanism includes butt board 5 and

extension board

6, and 5 inner chamber mid-mounting of butt board has double-shaft motor 501, and double-shaft motor 501's two sets of outputs all transmits and is connected with second screw rod 502, and extension board 6 is provided with two sets ofly, and two sets of 6 symmetric distributions of extension board are at the inner wall of butt board 5 and with butt board 5 sliding connection, the inner wall of the other end threaded connection extension board 6 of second screw rod 502.

Furthermore, a plurality of groups of anti-skidding teeth are uniformly distributed at the bottom end of the abutting plate 5, so that the friction force between the abutting plate 5 and the working ground is increased, and the occurrence of skidding is avoided; the guide rods 601 are arranged between the two groups of extension plates 6, and the guide rods 601 are connected with the extension plates 6 in a sliding mode, so that the connection stability of the extension plates 6 and the abutting plates 5 can be further improved.

In this embodiment, the controller starts the double-shaft motor 501 to drive the two sets of second screws 502 to rotate, so that the two sets of extension plates 6 respectively slide outwards along the left and right ends of the abutting plate 5, and when the extension plates 6 move to a proper position, the double-shaft motor 501 stops working, so that the contact area between the abutting plate 5 and the ground is increased, the stability of the abutting mechanism connected with the ground is further increased, and the chassis truck 1 is prevented from turning on the side; start hydraulic cylinder 4 through the controller, 4 output ends of hydraulic cylinder drive the butt mechanism and move towards ground, until butt plate 5 and the ground butt in the butt mechanism, because spheroid 401 rotates with ball seat 402 to be connected, so when butt plate 5 moves towards ground, can be according to the roughness on ground for butt plate 5 rotates along spheroid 401 with ball seat 402 and adjusts, makes butt plate 5 inseparabler with the ground butt.

According to the working principle, the length of the stabilizing support legs can be adjusted, so that the left side and the right side of the derrick assembly 101 can be stably supported by the two groups of stabilizing support legs, the integral gravity center of the derrick assembly 101 and the chassis 1 is prevented from being lifted to incline, the storage is convenient, the arrangement of the limiting mechanism is convenient for increasing the connection stability of the stabilizing support legs and the derrick assembly 101, and the interference on the retraction and release of the derrick assembly 101 is avoided; through the arrangement of the hydraulic cylinder 4, the ball body 401 and the ball seat 402, the angle can be conveniently adjusted according to the flatness of the abutting ground, and the stability of the abutting plate 5 against the ground is improved; the contact area of the abutting plate 5 and the abutting surface is increased conveniently through the abutting mechanism, the stability of connection of the abutting plate 5 and the ground is further increased, and rollover caused by overlarge wind force in the working environment is avoided.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. The vehicle-mounted non-guy rope workover rig comprises a chassis (1) and a derrick assembly (101) arranged at the top end of the tail part of the chassis (1), and is characterized in that the left side and the right side of the derrick assembly (101) are symmetrically hinged with stabilizing support legs, one side of the sidewall of the derrick assembly (101) and positioned on the stabilizing support legs is hinged with an electric telescopic rod (7), and the other end of the electric telescopic rod (7) is hinged with the sidewall of the stabilizing support legs;

the stabilizing support leg comprises a support tube (2) and a support rod (3), the support tube (2) is sleeved outside the support rod (3), a servo motor (203) is installed at the top end of an inner cavity of the support tube (2), the output end of the servo motor (203) is connected with a first screw rod (202) in a transmission mode, and the other end of the first screw rod (202) is connected with the support rod (3) in a threaded mode;

the derrick structure is characterized by further comprising two groups of limiting mechanisms, wherein the two groups of limiting mechanisms are symmetrically arranged on the left side and the right side of the derrick assembly (101), and are used for limiting the stabilizing support legs on the side wall of the derrick assembly (101); the limiting mechanism is composed of a fixed limiting seat (102) and a movable limiting seat (103), the fixed limiting seat (102) is installed on the side wall of the derrick assembly (101), the fixed limiting seat (102) is hinged with one end of the movable limiting seat (103), the fixed limiting seat (102) is connected with the other end of the movable limiting seat (103) through a bolt, and a supporting tube (2) is clamped between the fixed limiting seat (102) and the movable limiting seat (103).

2. The vehicle-mounted flat cable workover rig according to claim 1, wherein one end of the electric telescopic rod (7) far away from the derrick assembly (101) is hinged with the side wall of the supporting pipe (2).

3. The vehicle-mounted tension-free rope workover rig according to claim 1, wherein two groups of limiting plates (204) are symmetrically connected to the inner wall of the support pipe (2), two groups of chutes (301) are symmetrically arranged on the support rod (3), and the limiting plates (204) are slidably connected with the chutes (301).

4. The vehicle-mounted non-guy rope workover rig according to claim 1, wherein a hydraulic cylinder (4) is installed at one end of the stabilizing leg far away from the chassis (1), a ball body (401) is installed at the output end of the hydraulic cylinder (4), the ball body (401) is rotatably connected with a ball seat (402), and an abutting mechanism is installed at the bottom end of the ball seat (402).

5. The vehicle-mounted type flat cable-free workover rig according to claim 4, wherein the abutting mechanism comprises an abutting plate (5) and two extension plates (6), a double-shaft motor (501) is installed in the middle of an inner cavity of the abutting plate (5), two groups of output ends of the double-shaft motor (501) are in transmission connection with a second screw (502), the two groups of extension plates (6) are arranged, the two groups of extension plates (6) are symmetrically distributed on the inner wall of the abutting plate (5) and are in sliding connection with the abutting plate (5), and the other end of the second screw (502) is in threaded connection with the inner wall of the extension plate (6).

6. The vehicle-mounted tension-rope-free workover rig according to claim 5, wherein a plurality of groups of anti-slip teeth are uniformly distributed at the bottom end of the butt plate (5).

7. A vehicle-mounted tension-rope-free workover rig according to claim 5, wherein a guide rod (601) is arranged between the two sets of extension plates (6), and the guide rod (601) is connected with the extension plates (6) in a sliding manner.