Telescopic support frame

Abstract

The invention discloses a telescopic supporting frame which comprises two first hydraulic telescopic cylinders arranged in parallel, the tops of the two first hydraulic telescopic cylinders are fixed through a fixing rod, a top sheave is fixedly connected to the fixing rod, the two first hydraulic telescopic cylinders are provided with telescopic joints opposite in position, and a telescopic frame is hinged between the telescopic joints. A supporting rod is hinged to a bottom port of one first hydraulic telescopic cylinder, a second hydraulic telescopic cylinder is hinged to a bottom port of the other first hydraulic telescopic cylinder, and the second hydraulic telescopic cylinder is fixedly connected with a Christmas tree. Two states of the supporting frame can be achieved through control of the hydraulic telescopic cylinder, the hydraulic supporting cylinder and the control hydraulic system, all parts of the blowout prevention system can be detected and replaced when the supporting frame is put down, and safety and efficiency are higher; the working state can be independently completed by itself, crane operation is not needed, the cost is greatly saved, the efficiency of steel wire operation is improved, the operation safety is guaranteed, and after operation is completed, the telescopic frame is retracted to be convenient to disassemble and move.

Description

Technical Field

[0001] The invention belongs to the technical field of oil and gas field development and production technology, and in particular relates to a telescopic support frame. Background Art

[0002] During the development and production of natural gas wells, various operations need to be completed through wire work. The existing wire work equipment requires a crane to assist in the installation of the construction equipment, which has poor safety and economic efficiency and does not meet the actual needs of oil and gas fields at this stage to reduce costs and increase efficiency. Therefore, it is urgent to develop a telescopic support frame for wire work in oil and gas wells to meet the requirements of related operations. Summary of the invention

[0003] The purpose of the present invention is to provide a telescopic support frame, which solves the problems that traditional wire work supports require manual operation, require a lot of equipment for operation, have many safety risk points, and have low efficiency in assembling construction equipment.

[0004] The technical solution adopted by the present invention is to include two first hydraulic telescopic cylinders arranged in parallel, the tops of the two first hydraulic telescopic cylinders are fixed by a fixing rod, a top pulley is fixedly connected to the fixing rod, the two first hydraulic telescopic cylinders are provided with telescopic joints located opposite to each other, a telescopic frame is hingedly connected between the telescopic joints, a support rod is hingedly connected to the bottom port of one first hydraulic telescopic cylinder, a second hydraulic telescopic cylinder is hingedly connected to the bottom port of the other first hydraulic telescopic cylinder, and the second hydraulic telescopic cylinder is fixedly connected to a Christmas tree.

[0005] The present invention is also characterized in that:

[0006] The telescopic frame is composed of a number of X-shaped brackets, each of which is hinged at the intersection;

[0007] A switch is installed on the outer side of the bottom of the first hydraulic telescopic cylinder, a first controller is arranged in the first hydraulic telescopic cylinder, and a second controller is arranged in the second hydraulic telescopic cylinder, and the first controller and the second controller are electrically connected to the switch respectively;

[0008] The two first hydraulic telescopic cylinders are respectively provided with no less than two telescopic joints;

[0009] A triangular bottom plate is fixedly connected between the support rod, the second hydraulic telescopic cylinder and the Christmas tree. The triangular bottom plate is a right-angled triangle. One right-angled side of the triangular bottom plate is fixedly connected to the second hydraulic telescopic cylinder and the Christmas tree, and the other right-angled side of the triangular bottom plate is fixedly connected to the bottom ends of the two first hydraulic telescopic cylinders.

[0010] The beneficial effects of the present invention are as follows: the present invention can realize two states of the support frame through the hydraulic telescopic cylinder, the hydraulic support cylinder and the control of the hydraulic system. When it is laid down, all parts of the blowout prevention system can be inspected and replaced, which is safer and more efficient; the working state can be completed independently by itself without the need for a crane operation, which greatly saves costs, improves the efficiency of wire operations, ensures operational safety, and after the operation is completed, the telescopic frame can be retracted for easy disassembly and transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the device of the present invention;

[0012] Figure 2 It is a schematic diagram of the X-shaped bracket structure in the device of the present invention;

[0013] Figure 3 It is a schematic diagram of the structure of a first hydraulic telescopic cylinder in the device of the present invention;

[0014] In the figure, 1. overhead pulley, 2. fixed rod, 3. first hydraulic telescopic cylinder, 4. telescopic frame, 5. first controller, 6. switch, 7. second hydraulic telescopic cylinder, 8. second controller, 9. support rod, 10. gas tree, 11. telescopic joint, 12. X-shaped bracket, 13. triangular base plate. DETAILED DESCRIPTION

[0015] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0016] The present invention provides a telescopic support frame, such as Figure 1 to Figure 3 , including two first hydraulic telescopic cylinders 3 arranged in parallel, the tops of the two first hydraulic telescopic cylinders 3 are fixed by a fixing rod 2, a sky pulley 1 is fixedly connected to the fixing rod 2, the two first hydraulic telescopic cylinders 3 are provided with telescopic joints 11 located opposite to each other, a telescopic frame 4 is hingedly connected between the telescopic joints 11, a support rod 9 is hingedly connected to the bottom port of one first hydraulic telescopic cylinder 3, a second hydraulic telescopic cylinder 7 is hingedly connected to the bottom port of the other first hydraulic telescopic cylinder 3, and a Christmas tree 10 is fixedly connected to the second hydraulic telescopic cylinder 7.

[0017] The telescopic frame 4 is composed of a plurality of X-shaped brackets 12, and each X-shaped bracket 12 is hinged at its intersection.

[0018] A switch 6 is installed on the outer side of the bottom of the first hydraulic telescopic cylinder 3 , a first controller 5 is arranged in the first hydraulic telescopic cylinder 3 , and a second controller 8 is arranged in the second hydraulic telescopic cylinder 7 . The first controller 5 and the second controller 8 are electrically connected to the switch 6 respectively.

[0019] The two first hydraulic telescopic cylinders 3 are respectively provided with no less than two telescopic joints 11 .

[0020] A triangular bottom plate 13 is fixedly connected between the support rod 9, the second hydraulic telescopic cylinder 7 and the Christmas tree 10. The triangular bottom plate 13 is a right-angled triangle. One right-angled side of the triangular bottom plate 13 is fixedly connected to the second hydraulic telescopic cylinder 7 and the Christmas tree 10, and the other right-angled side of the triangular bottom plate 13 is fixedly connected to the bottom ends of the two first hydraulic telescopic cylinders 3.

[0021] The telescopic support frame of the present invention can be realized in two states, the installation state and the laying down state after lifting, by the oil cylinder; in the installation state, the switch 6 is turned on, and the first controller 5 is controlled by the switch 6. The first hydraulic telescopic cylinder 3 works under the control of the first controller 5, driving the telescopic frame 4 to be in an extended working state, and the sky pulley 1 guides the steel cable to realize the automatic pumping operation of the pumping device; when the telescopic support frame is to be laid down, the second controller 8 is controlled by the switch 6, so that the second hydraulic telescopic cylinder 7 works and drives the first hydraulic telescopic cylinder 3 to slowly lay down on the ground, and then the maintenance and repair of the support frame and the fixing of the blowout prevention pipeline can be carried out; wherein, the bottom support rod 9 of the telescopic support frame, the gas production tree and the second hydraulic telescopic cylinder 7 are fixed by a triangular bottom plate 13, which increases the overall stability of the support frame; three telescopic joints 11 with opposite positions are respectively arranged on the two first hydraulic telescopic cylinders 3, the telescopic frame 4 is hinged on the telescopic joints 11 with opposite positions, the telescopic frame 4 is hinged between the two first hydraulic telescopic cylinders 3, and the telescopic joint 11 is not completely retracted when the first hydraulic telescopic cylinder is retracted.

[0022] The device of the present invention mainly serves to fix the blowout prevention system, the upper catcher, the damping device, the blowout prevention box and other equipment and the steel cable guide of the sky pulley 1. In the installation state after lifting, the steel cable can be guided by the sky pulley 1 on the top to realize the automatic pumping operation of the pumping device; when it is laid down, the equipment and sensors installed on the bracket can be maintained and repaired.

[0023] Example 1

[0024] The telescopic support frame of the present invention includes two first hydraulic telescopic cylinders 3 arranged in parallel, the tops of the two first hydraulic telescopic cylinders 3 are fixed by a fixing rod 2, a sky pulley 1 is fixedly connected to the fixing rod 2, the two first hydraulic telescopic cylinders 3 are provided with telescopic joints 11 located opposite to each other, a telescopic frame 4 is hingedly connected between the telescopic joints 11, a support rod 9 is hingedly connected to the bottom port of one first hydraulic telescopic cylinder 3, a second hydraulic telescopic cylinder 7 is hingedly connected to the bottom port of the other first hydraulic telescopic cylinder 3, and a Christmas tree 10 is fixedly connected to the second hydraulic telescopic cylinder 7.

[0025] Example 2

[0026] The telescopic support frame of the present invention comprises two first hydraulic telescopic cylinders 3 arranged in parallel, the tops of the two first hydraulic telescopic cylinders 3 are fixed by a fixing rod 2, a sky pulley 1 is fixedly connected to the fixing rod 2, the two first hydraulic telescopic cylinders 3 are provided with telescopic joints 11 which are positioned opposite to each other, a telescopic frame 4 is hingedly connected between the telescopic joints 11, a support rod 9 is hingedly connected to the bottom port of one first hydraulic telescopic cylinder 3, a second hydraulic telescopic cylinder 7 is hingedly connected to the bottom port of the other first hydraulic telescopic cylinder 3, and a Christmas tree 10 is fixedly connected to the second hydraulic telescopic cylinder 7; the telescopic frame 4 is composed of a plurality of X-shaped brackets 12, and each X-shaped bracket 12 is hinged at the intersection.

[0027] Example 3

[0028] The telescopic support frame of the present invention includes two first hydraulic telescopic cylinders 3 arranged in parallel, the tops of the two first hydraulic telescopic cylinders 3 are fixed by a fixing rod 2, a sky pulley 1 is fixedly connected to the fixing rod 2, the two first hydraulic telescopic cylinders 3 are provided with telescopic joints 11 located opposite to each other, a telescopic frame 4 is hingedly connected between the telescopic joints 11, a support rod 9 is hingedly connected to the bottom port of one first hydraulic telescopic cylinder 3, a second hydraulic telescopic cylinder 7 is hingedly connected to the bottom port of the other first hydraulic telescopic cylinder 3, and a Christmas tree 10 is fixedly connected to the second hydraulic telescopic cylinder 7; a switch 6 is installed on the outer side of the bottom of the first hydraulic telescopic cylinder 3, a first controller 5 is provided in the first hydraulic telescopic cylinder 3, a second controller 8 is provided in the second hydraulic telescopic cylinder 7, and the first controller 5 and the second controller 8 are electrically connected to the switch 6, respectively.

[0029] Example 4

[0030] The telescopic support frame of the present invention comprises two first hydraulic telescopic cylinders 3 arranged in parallel, the tops of the two first hydraulic telescopic cylinders 3 are fixed by a fixing rod 2, a sky pulley 1 is fixedly connected to the fixing rod 2, the two first hydraulic telescopic cylinders 3 are provided with telescopic joints 11 located opposite to each other, a telescopic frame 4 is hingedly connected between the telescopic joints 11, a support rod 9 is hingedly connected to the bottom port of one first hydraulic telescopic cylinder 3, a second hydraulic telescopic cylinder 7 is hingedly connected to the bottom port of the other first hydraulic telescopic cylinder 3, and a Christmas tree 10 is fixedly connected to the second hydraulic telescopic cylinder 7; a triangular bottom plate 13 is fixedly connected between the support rod 9, the second hydraulic telescopic cylinder 7 and the Christmas tree 10, the triangular bottom plate 13 is a right triangle, one right-angled side of the triangular bottom plate 13 is fixedly connected to the second hydraulic telescopic cylinder 7 and the Christmas tree 10, and the other right-angled side of the triangular bottom plate 13 is fixedly connected to the bottom ends of the two first hydraulic telescopic cylinders 3.

Claims

1. Telescopic support frame, characterized in that: The invention comprises two first hydraulic telescopic cylinders (3) arranged in parallel, the tops of the two first hydraulic telescopic cylinders (3) are fixed by a fixing rod (2), a top pulley (1) is fixedly connected to the fixing rod (2), the two first hydraulic telescopic cylinders (3) are provided with telescopic joints (11) located opposite to each other, a telescopic frame (4) is hingedly connected between the telescopic joints (11), a support rod (9) is hingedly connected to the bottom port of one of the first hydraulic telescopic cylinders (3), a second hydraulic telescopic cylinder (7) is hingedly connected to the bottom port of the other first hydraulic telescopic cylinder (3), and the second hydraulic telescopic cylinder (7) is fixedly connected to a Christmas tree (10).

2. The telescopic support frame according to claim 1, characterized in that: The telescopic frame (4) is composed of a plurality of X-shaped brackets (12), and each of the X-shaped brackets (12) is hinged at a cross-section.

3. The telescopic support frame according to claim 1, characterized in that: A switch (6) is installed on the outer side of the bottom of the first hydraulic telescopic cylinder (3); a first controller (5) is arranged in the first hydraulic telescopic cylinder (3); a second controller (8) is arranged in the second hydraulic telescopic cylinder (7); and the first controller (5) and the second controller (8) are electrically connected to the switch (6) respectively.

4. The telescopic support frame according to claim 1, characterized in that: The two first hydraulic telescopic cylinders (3) are respectively provided with no less than two telescopic joints (11).

5. The telescopic support frame according to claim 1, characterized in that: A triangular bottom plate (13) is fixedly connected between the support rod (9), the second hydraulic telescopic cylinder (7) and the Christmas tree (10); the triangular bottom plate (13) is a right-angled triangle; one right-angled side of the triangular bottom plate (13) is fixedly connected to the second hydraulic telescopic cylinder (7) and the Christmas tree (10); and the other right-angled side of the triangular bottom plate (13) is fixedly connected to the bottom ends of the two first hydraulic telescopic cylinders (3).

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