Hydraulic leg stabilizer for workover rigs

Abstract

The utility model discloses a kind of hydraulic support leg stabilizing device of workover rig, it is related to workover rig technical technical field, the support leg stabilizing device, including truck chassis and derrick, the derrick is installed above truck chassis;Further include: second connecting seat, it is installed in the side of derrick close to truck chassis, and second connecting seat is located at the front end of derrick bottom, the upper end of truck chassis is equipped with third connecting seat, and third connecting seat is located below second connecting seat, the outside of third connecting seat is hingedly installed with first support leg, and first support leg is provided with two groups and is located at the two sides of third connecting seat respectively, motor drive screw rod rotates, drives slider to move in the direction of second cylinder away, simultaneously, first cylinder lifts and drives connecting cylinder to lift upwards, first support leg and second support leg can be lifted from folding mode, first support leg and second support leg can be supported after derrick is erected, effectively provide stability to the support after being erected.

Description

Technical Field

[0001] This utility model relates to the field of well workover rig technology, specifically to a hydraulic outrigger stabilization device for a well workover rig. Background Technology

[0002] Well workover rigs are a crucial type of specialized engineering equipment in the oil and gas extraction industry. They are mainly used for a series of operations such as maintenance, repair, production restoration, or well sealing for oil and gas wells. The vast majority of land-based well workover rigs are designed to be vehicle-mounted, meaning they are integrated and mounted on a heavy-duty truck chassis or a dedicated self-propelled chassis.

[0003] Typically, workover rigs are mounted on large transport vehicles. After the workover rig is moved to the work site, the horizontally lying machine is lifted up and placed on the ground by hydraulic cylinders. However, existing vehicle-mounted workover rigs only use a single hydraulic drive mechanism to lift them up, which leads to insufficient stability and the risk of collapse. Utility Model Content

[0004] The purpose of this invention is to provide a hydraulic outrigger stabilization device for a workover rig, in order to solve the problem mentioned in the background art that existing vehicle-mounted workover rigs are erected using only a single hydraulic drive mechanism, which leads to insufficient stability and the risk of collapse.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a hydraulic outrigger stabilization device for a workover rig, comprising a truck chassis and a derrick, wherein the derrick is mounted on top of the truck chassis;

[0006] It also includes: a second connecting seat, which is installed on the side of the derrick near the truck chassis, and the second connecting seat is located at the front end of the bottom of the derrick; a third connecting seat is installed on the upper end of the truck chassis, and the third connecting seat is located below the second connecting seat; a first leg is hinged to the outer side of the third connecting seat, and two sets of the first legs are provided and located on both sides of the third connecting seat respectively; the other end of the first leg is connected to a second leg, and the second leg is hinged to the first leg; the two sets of second legs are located inside the two sets of first legs, and the other end of the second leg is hinged to the second connecting seat; a connecting cylinder is installed at the connection between the inner side of the second leg and the first leg, and the connecting cylinder, the first leg and the second leg are hinged together by a connecting rod.

[0007] Preferably, a first cylinder is installed at the bottom of the connecting cylinder.

[0008] Preferably, the surface of the locking chassis is provided with a sliding groove, and the sliding groove is located below the first support leg. A screw is installed inside the sliding groove, and a through groove is provided at one end of the sliding groove. A motor is installed inside the through groove and is connected to the screw. A slider is installed at the bottom of the first cylinder. The slider slides and engages inside the sliding groove, and the slider is threadedly connected to the screw through a threaded hole on its surface.

[0009] Preferably, a fixed seat is installed at the bottom of the truck chassis, and the fixed seat is located on the side away from the third connecting seat. A first connecting seat is provided on the side of the derrick close to the truck chassis. The first connecting seat and the fixed seat are connected by a second cylinder.

[0010] Preferably, a rotating head is installed at one end of the second cylinder near the first connecting seat, and the rotating head is hinged to the first connecting seat. A connecting plate is installed above the side of the second cylinder near the fixed seat, and the connecting plate is hinged to the fixed seat by a fixing rod.

[0011] Preferably, a hinge seat is provided on the side of the truck chassis away from the third connecting seat, and a hinge plate is provided on the bottom of the truck chassis near the hinge seat, and the hinge plate is hinged to the hinge seat.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] (1) By driving the connection between the truck chassis and the derrick through the second cylinder, when the derrick needs to be erected, the second cylinder drives the derrick to rise and be perpendicular to the ground. At the same time, the motor drives the screw to rotate, causing the slider to move away from the second cylinder. Meanwhile, the first cylinder rises and drives the connecting cylinder to rise, which can drive the first and second legs to rise from the folded form. The first and second legs can then support the derrick after it is erected, effectively providing stability to the erected support.

[0014] (2) By setting a hinge seat at the rear of the truck chassis, the bottom of the derrick is hinged to the hinge seat through a hinge plate, which enables the derrick to move vertically at the rear of the truck chassis and to drive the derrick in conjunction with the second cylinder. The second cylinder is fixed to the upper end of the truck chassis through a fixed seat, and the other end of the second cylinder is connected to the derrick through a first connecting seat, so that the second cylinder can adjust the derrick from a flat state to a vertical state by raising the connecting rod. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the second cylinder structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the support leg structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the screw drive structure of this utility model;

[0019] In the diagram: 1. Truck chassis; 2. Slide rail; 3. Screw; 4. Slider; 5. First cylinder; 6. Connecting cylinder; 7. Through groove; 8. Motor; 9. Fixed seat; 10. Second cylinder; 11. Connecting plate; 12. Fixed rod; 13. First connecting seat; 14. Rotating head; 15. First outrigger; 16. Second outrigger; 17. Second connecting seat; 18. Third connecting seat; 19. Derrick; 20. Hinge plate; 21. Hinge seat. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] This invention provides a hydraulic outrigger stabilization device for a workover rig. The device includes a truck chassis 1 and a derrick 19, with the derrick 19 mounted on top of the truck chassis 1. This invention primarily addresses the problem that existing vehicle-mounted workover rigs rely solely on a single hydraulic drive mechanism for erection, leading to insufficient stability and a risk of collapse.

[0022] For the device provided by this utility model, please refer to Figure 1-4 The following is a detailed introduction.

[0023] The second connecting seat 17 is installed on the side of the derrick 19 near the truck chassis 1, and the second connecting seat 17 is located at the front end of the bottom of the derrick 19. The upper end of the truck chassis 1 is equipped with a third connecting seat 18, and the third connecting seat 18 is located below the second connecting seat 17. The outer side of the third connecting seat 18 is hinged to a first support leg 15, and two sets of the first support legs 15 are provided and located on both sides of the third connecting seat 18 respectively. The other end of the first support leg 15 is connected to a second support leg 16, and the second support leg 16 is hinged to the first support leg 15. The two sets of second support legs 16 are located inside the two sets of first support legs 15, and the other end of the second support leg 16 is hinged to the second connecting seat 17. A connecting cylinder 6 is installed at the connection between the inner side of the second support leg 16 and the first support leg 15, and the connecting cylinder 6, the first support leg 15 and the second support leg 16 are hinged together by a connecting rod.

[0024] Please see Figure 4To further explain, a first cylinder 5 is installed at the bottom of the connecting cylinder 6, a sliding groove 2 is provided on the surface of the engaging chassis, and the sliding groove 2 is located below the first support leg 15. A screw 3 is installed inside the sliding groove 2, and a through groove 7 is provided at one end of the sliding groove 2. A motor 8 is installed inside the through groove 7, and the motor 8 is connected to the screw 3. A slider 4 is installed at the bottom of the first cylinder 5. The slider 4 is slidably engaged inside the sliding groove 2, and the slider 4 is threadedly connected to the screw 3 through a threaded hole on its surface.

[0025] Please see Figure 2 To further explain, a fixed seat 9 is installed at the bottom of the truck chassis 1, and the fixed seat 9 is located on the side away from the third connecting seat 18. A first connecting seat 13 is provided on the side of the derrick 19 near the truck chassis 1. The first connecting seat 13 and the fixed seat 9 are connected by a second cylinder 10. The second cylinder 10, the first cylinder 5 and the motor 8 are controlled in a unified manner by a servo system, so as to achieve synchronous linkage between the second cylinder 10, the first cylinder 5 and the motor 8. A rotating head 14 is installed at the end of the second cylinder 10 near the first connecting seat 13, and the rotating head 14 is hinged to the first connecting seat 13. A connecting plate 11 is installed above the side of the second cylinder 10 near the fixed seat 9, and the connecting plate 11 is hinged to the fixed seat 9 by a fixing rod 12.

[0026] Please see Figure 1 To further explain, a hinge seat 21 is provided on the side of the truck chassis 1 away from the third connecting seat 18, and a hinge plate 20 is provided on the bottom of the truck chassis 1 near the hinge seat 21, and the hinge plate 20 is hinged to the hinge seat 21.

[0027] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A hydraulic outrigger stabilizing device for a workover rig, comprising a truck chassis (1) and a derrick (19), the derrick (19) being mounted above the truck chassis (1); characterized in that: Also includes: The second connecting seat (17) is installed on the side of the derrick (19) near the truck chassis (1), and the second connecting seat (17) is located at the front end of the bottom of the derrick (19). The upper end of the truck chassis (1) is equipped with a third connecting seat (18), and the third connecting seat (18) is located below the second connecting seat (17). The outer side of the third connecting seat (18) is hinged with a first support leg (15), and the first support leg (15) is provided in two sets and is located on both sides of the third connecting seat (18). The other end of one leg (15) is connected to a second leg (16). The second leg (16) is hinged to the first leg (15). The two sets of second legs (16) are located inside the two sets of first legs (15), and the other end of the second leg (16) is hinged to the second connecting seat (17). A connecting cylinder (6) is installed at the connection between the inner side of the second leg (16) and the first leg (15). The connecting cylinder (6), the first leg (15) and the second leg (16) are hinged together by a connecting rod.

2. The hydraulic outrigger stabilization device for a workover rig according to claim 1, characterized in that: The bottom of the connecting cylinder (6) is equipped with a first cylinder (5).

3. The hydraulic outrigger stabilization device for a workover rig according to claim 2, characterized in that: The surface of the truck chassis (1) is provided with a slide groove (2), and the slide groove (2) is located below the first outrigger (15). A screw (3) is installed inside the slide groove (2). A through groove (7) is provided at one end of the slide groove (2). A motor (8) is installed inside the through groove (7), and the motor (8) is connected to the screw (3). A slider (4) is installed at the bottom of the first cylinder (5). The slider (4) is slidably engaged inside the slide groove (2), and the slider (4) is threadedly connected to the screw (3) through a threaded hole on its surface.

4. The hydraulic outrigger stabilization device for a workover rig according to claim 1, characterized in that: The bottom of the truck chassis (1) is equipped with a fixed seat (9), and the fixed seat (9) is located on the side away from the third connecting seat (18). The derrick (19) is provided with a first connecting seat (13) on the side close to the truck chassis (1). The first connecting seat (13) and the fixed seat (9) are connected by a second cylinder (10).

5. The hydraulic outrigger stabilization device for a workover rig according to claim 4, characterized in that: The second cylinder (10) has a rotating head (14) installed at one end near the first connecting seat (13), and the rotating head (14) is hinged to the first connecting seat (13). A connecting plate (11) is installed above the side of the second cylinder (10) near the fixed seat (9), and the connecting plate (11) is hinged to the fixed seat (9) by a fixing rod (12).

6. The hydraulic outrigger stabilization device for a workover rig according to claim 1, characterized in that: A hinge seat (21) is provided on the side of the truck chassis (1) away from the third connecting seat (18), and a hinge plate (20) is provided on the bottom of the truck chassis (1) near the hinge seat (21), and the hinge plate (20) is hinged to the hinge seat (21).

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