Improved workover rig winch brake mechanism

Abstract

The utility model provides an improved workover rig winch brake mechanism which comprises a base, a connecting seat, a workover rig, a winch, a treading brake frame structure and a rotatable auxiliary retarding frame structure, and the connecting seat is arranged in the middle of the right side of the upper end of the base. The base, the winch, the connecting plate, the U-shaped base, the U-shaped frame, the V-shaped supporting plate and the pedal are arranged in a matched mode, so that treading work can be conducted by treading the left end of the pedal in the using process, then the V-shaped supporting plate is driven to conduct lifting work, the front face of the bottom end of the winch is contacted in the lifting process, and the braking purpose is achieved; the base, the winch, the connecting frame, the connecting groove, the rotating plate and the pulling rod are arranged in a matched mode, pulling work can be conducted by grasping the pulling rod in the using process, the rotating plate makes contact with the winch in the pulling process, and auxiliary braking can be conveniently conducted in the braking process.

Description

Technical Field

[0001] The utility model belongs to the technical field of workover rig equipment, in particular to an improved workover rig winch brake mechanism. Background Art

[0002] Oil workover rigs and well-draining rigs are common equipment in the process of oilfield development and are widely used in minor and major repairs of oil wells. At present, the winch control and brake devices of oil workover rigs are mostly manually operated when lifting and lowering the pipe string. The existing workover rig winch brake mechanism and workover rig are not convenient for emergency braking during use and cannot be braked by pedaling during use. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides an improved workover rig winch brake mechanism, which facilitates braking work during work by improving the brake mechanism during use and sets a deceleration brake mechanism during use to facilitate the purpose of auxiliary braking during work.

[0004] An improved brake mechanism for a well repair rig winch comprises a base, a connecting seat is provided at the middle position of the upper right side of the base; a well repair frame is provided at the middle position inside the upper end of the connecting seat; a winch is provided at the middle position of the upper end of the base, and is characterized in that a pedal brake frame structure is connected to the middle position of the upper front end of the base; a rotatable auxiliary relief frame structure is connected to the right side of the upper end of the base and is provided on the right side of the winch.

[0005] Preferably, the pedalable brake frame structure includes a connecting plate, a U-shaped seat is fixed by bolts on the right side of the upper end of the connecting plate; a U-shaped frame is fixed by bolts on the left side of the upper end of the connecting plate; the right end of the V-shaped support plate is connected to the upper internal pin shaft of the U-shaped seat; and a pedal is connected to the upper internal pin shaft of the U-shaped frame.

[0006] Preferably, the rotatable auxiliary mitigation frame structure includes a connecting frame, a connecting groove is provided at the middle position inside the upper end of the connecting frame; the internal pin shaft of the connecting groove is connected to a rotating plate; the upper front end and upper rear end of the rotating plate are respectively pin-connected to pull rods.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] 1. In the utility model, the base, winch, connecting plate, U-shaped seat, U-shaped frame, V-shaped support plate and pedal are arranged in coordination with each other, which is conducive to stepping on the left end of the pedal during use, and then driving the V-shaped support plate to perform lifting work, and contact the front of the bottom end of the winch during the lifting process to achieve the purpose of braking.

[0009] 2. In the utility model, the base, winch, connecting frame, connecting groove, rotating plate and pulling rod are arranged in coordination with each other, which is conducive to pulling work by grasping the pulling rod during use, and making the rotating plate contact the winch during the pulling process, so as to facilitate the purpose of auxiliary braking during the braking process. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the utility model.

[0011] Figure 2 It is a structural schematic diagram of the pedalable brake frame structure of the utility model.

[0012] Figure 3 It is a structural schematic diagram of a rotatable auxiliary mitigation frame structure of the utility model.

[0013] In the figure:

[0014] 1. Base; 2. Connecting seat; 3. Well repairing frame; 4. Winch; 5. Pedalable brake frame structure; 51. Connecting plate; 52. U-shaped seat; 53. U-shaped frame; 54. V-shaped support plate; 55. Pedal; 6. Rotatable auxiliary relief frame structure; 61. Connecting frame; 62. Connecting groove; 63. Rotating plate; 64. Pull rod. DETAILED DESCRIPTION

[0015] The utility model is described in detail below in conjunction with the accompanying drawings. Figure 1 and attached Figure 2As shown, the improved workover rig winch brake mechanism comprises a base 1, a connecting seat 2, a workover frame 3, a winch 4, a treadle brake frame structure 5 and a rotatable auxiliary deceleration frame structure 6, wherein the connecting seat 2 is arranged at the middle position of the upper right side of the base 1; the workover frame 3 is arranged at the middle position of the upper inner part of the connecting seat 2; the winch 4 is arranged at the middle position of the upper end of the base 1; the treadle brake frame structure 5 is connected to the middle position of the upper front of the base 1; the rotatable auxiliary deceleration frame structure 6 is connected to the right side of the upper end of the base 1 and is arranged on the right side of the winch 4; the treadle brake frame structure 5 comprises a connecting plate 51, a U-shaped seat 52, a U-shaped frame 53, a V-shaped support plate 54 and a pedal 55, the The upper right side of the connecting plate 51 is bolted with a U-shaped seat 52; the upper left side of the connecting plate 51 is bolted with a U-shaped frame 53; the upper internal pin of the U-shaped seat 52 is connected to the right end of the V-shaped support plate 54; the upper internal pin of the U-shaped frame 53 is connected to the pedal 55; when in use, the base 1 is installed at a suitable position on the upper end of the well repair vehicle or well repair equipment, and then the external power supply is connected using an external wire, and then during work, by stepping on the pedal 55, the right end of the V-shaped support plate 54 is driven to move during the stepping process, so as to realize the lifting and lowering of the upper end of the V-shaped support plate 54, and during the lifting and lowering process, the upper end of the V-shaped support plate 54 contacts the front of the bottom end of the winch 4 to achieve the purpose of braking.

[0016] In this embodiment, combined with the Figure 3 As shown, the rotatable auxiliary deceleration frame structure 6 includes a connecting frame 61, a connecting groove 62, a rotating plate 63 and a pulling rod 64. A connecting groove 62 is provided in the middle position of the upper end of the connecting frame 61; the internal pin shaft of the connecting groove 62 is connected to the rotating plate 63; the upper front end and the upper rear end of the rotating plate 63 are respectively connected to the pulling rod 64 with pin shafts; during the braking process, the upper end of the pulling rod 64 is grasped to pull, and the rotating plate 63 is driven to rotate during the pulling process, and the brake pad arranged on the left side of the rotating plate 63 contacts the winch 4, so as to achieve the purpose of auxiliary braking.

[0017] In this embodiment, specifically, a stainless steel block protrusion for connection is provided at the lower left side of the well repairing frame 3 .

[0018] In the present embodiment, specifically, an inverted U-shaped frame is fixed by bolts on the left side of the bottom end of the V-shaped support plate 54, and a sliding hole is opened inside the inverted U-shaped frame; the right end of the pedal 55 is connected to the inside of the inverted U-shaped frame set on the right side of the bottom end of the V-shaped support plate 54 through a pin shaft; and a brake pad is glued to the upper end of the V-shaped support plate 54.

[0019] In the present embodiment, specifically, the connecting plate 51 is bolted to the middle position of the upper front end of the base 1; the V-shaped supporting plate 54 is arranged in the lower front of the winch 4 and the spacing is set to two centimeters to five centimeters.

[0020] In the present embodiment, specifically, shielding blocks are bolted to the front and rear of the upper right side of the connecting frame 61; the outer wall of the upper end of the pulling rod 64 is sleeved with a silicone sleeve; and the left side of the rotating plate 63 is glued with a brake pad.

[0021] In this embodiment, specifically, the connecting frame 61 is bolted to the right side of the upper end of the base 1 and the connecting frame 61 is arranged on the right side of the winch 4 with a spacing of twenty centimeters to fifty centimeters.

[0022] How it works

[0023] In the utility model, when in use, the base 1 is installed at a suitable position on the upper end of the well repair vehicle or well repair equipment, and then an external wire is used to connect the external power supply. Then, during work, by stepping on the pedal 55, the right end of the V-shaped support plate 54 is driven to move during the stepping process, so that the upper end of the V-shaped support plate 54 is lifted and lowered, and in the process of lifting, the upper end of the V-shaped support plate 54 contacts the front of the bottom end of the winch 4 to achieve the purpose of braking. In the process of braking, the upper end of the pulling rod 64 is grasped to pull, and the rotating plate 63 is driven to rotate during the pulling process, and the brake pad set on the left side of the rotating plate 63 contacts the winch 4 to achieve the purpose of auxiliary braking.

[0024] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. An improved workover rig winch brake mechanism, comprising a base (1), a connecting seat (2) being arranged at the middle position of the upper right side of the base (1); a workover frame (3) being arranged at the middle position of the upper inner part of the connecting seat (2); a winch (4) being arranged at the middle position of the upper end of the base (1); characterized in that: The base (1) in the improved well repair machine winch brake mechanism is connected to a treadle brake frame structure (5) at the middle position of the upper front end of the base; the upper right end of the base (1) is connected to a rotatable auxiliary deceleration frame structure (6) and is arranged on the right side of the winch (4).

2. The improved workover rig winch brake mechanism according to claim 1, characterized in that: The pedalable brake frame structure (5) comprises a connecting plate (51), a U-shaped seat (52) is fixed to the right side of the upper end of the connecting plate (51) by bolts; a U-shaped frame (53) is fixed to the left side of the upper end of the connecting plate (51) by bolts; the right end of a V-shaped support plate (54) is connected to the internal pin shaft at the upper end of the U-shaped seat (52); and a pedal (55) is connected to the internal pin shaft at the upper end of the U-shaped frame (53).

3. The improved workover rig winch brake mechanism according to claim 1, characterized in that: The rotatable auxiliary mitigation frame structure (6) comprises a connecting frame (61), a connecting groove (62) is provided at the middle position inside the upper end of the connecting frame (61); the internal pin shaft of the connecting groove (62) is connected to a rotating plate (63); the upper front end and the upper rear end of the rotating plate (63) are respectively connected to a pulling rod (64) by pin shafts.

4. The improved workover rig winch brake mechanism according to claim 2, characterized in that: The connecting plate (51) is bolted to the middle position of the upper front end of the base (1); the V-shaped support plate (54) is arranged in the lower front of the winch (4) and the spacing is set to 2 cm to 5 cm.

5. The improved workover rig winch brake mechanism according to claim 3, characterized in that: The connecting frame (61) is bolted to the upper right side of the base (1) and the connecting frame (61) is arranged on the right side of the winch (4) with a spacing of 20 to 50 centimeters.

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