Winch braking mechanism of workover rig

Abstract

The utility model discloses a workover rig winch brake mechanism which comprises a base and a U-shaped frame, a first installation groove, a second installation groove and a collecting cavity are formed in the U-shaped frame, a winding mechanism is arranged in the first installation groove, a cooling mechanism is arranged at the top of the U-shaped frame, an installation frame is fixedly installed on the side wall of the cooling mechanism, and the installation frame is fixedly connected with the base. A water blocking mechanism is arranged in the mounting frame, an abutting mechanism is arranged in the second mounting groove, and a collecting mechanism is arranged in the collecting cavity. The hydraulic braking device is reasonable in structural design, by arranging the abutting mechanism and the cooling mechanism, the hydraulic motor can drive the ejector rod to abut against the gear ring, the braking effect is further improved, abrasion of the brake pad can be reduced, and meanwhile the cooling device is arranged, so that in the actual using process of workers, the service life of the hydraulic braking device is prolonged. And when a worker drives the abutting mechanism to conduct secondary braking, cooling water in the water storage frame flows out, cooling treatment is conducted on an ejector rod and a brake pad, and the service life of the device is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to winch brake field especially relates to well repair machine winch brake mechanism. BACKGROUND

[0002] Winch is also called hoist, uses the winding drum to wind the steel wire rope or chain and lifts or drags the heavy object's light and small hoisting equipment. Hoist can vertically lift, horizontally or obliquely drag the heavy object. Hoist is divided into hand hoist, electric hoist and hydraulic hoist three kinds. Electric hoist is mainly. Can be used alone, also can be used as hoisting, road building and mine hoisting etc. The component of machinery, because the operation is simple, the winding rope is large, and the displacement is convenient and is widely used.

[0003] In the prior art, in the process of using winch brake mechanism, the existing winch mostly only uses brake pad to rub and brake, the brake pad is easy to wear after long time use, which leads to low friction braking effect, and in the process of braking, the friction braking generates a large amount of heat, which will affect the braking effect if not cooled in time. UTILITY MODEL CONTENTS

[0004] The utility model discloses a well repair machine winch brake mechanism, which solves the problem of easy damage of the winch brake mechanism in the prior art due to only relying on the friction braking of the brake pad and the problem of affecting the braking effect due to a large amount of heat generated by the friction braking. The abutting mechanism and the cooling mechanism are provided, which can further improve the braking effect when the staff rubs and brakes the winch winding wheel through the brake pad, and can reduce the wear of the brake pad. At the same time, the cooling device is added inside the device, so that the staff can drive the abutting mechanism to brake again and drive the water blocking block to displace through the thin rope, so that the cooling water in the water storage frame flows out to cool the top rod and the brake pad, thereby prolonging the service life of the device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The well repair machine winch brake mechanism comprises a base and a U-shaped frame, the inner side wall of the U-shaped frame is provided with a brake pad, a first installation groove, a second installation groove and a collecting cavity are formed in the U-shaped frame, a winding mechanism is arranged in the first installation groove, a cooling mechanism is arranged at the top of the U-shaped frame, an installation frame is fixedly installed on the side wall of the cooling mechanism, a water blocking mechanism is arranged in the installation frame, the water blocking end of the water blocking mechanism extends into the cooling mechanism and abuts against the inner bottom thereof, an abutting mechanism is arranged in the second installation groove, the end of the abutting mechanism extends into the installation frame and is fixedly connected with the top of the water blocking mechanism, a collecting mechanism is arranged in the collecting cavity, the end of the collecting mechanism extends into the cooling mechanism and communicates with the cooling mechanism.

[0007] Preferably, the winding mechanism comprises a servo motor fixedly installed on the inner side wall of the first mounting groove, the output shaft end of the servo motor is fixedly connected with a winding wheel, and the end of the winding wheel is sleeved with a gear ring.

[0008] Preferably, the cooling mechanism comprises a water storage frame fixedly installed on the top of the U-shaped frame, and the side wall of the water storage frame is connected with a water outlet pipe.

[0009] Preferably, the water blocking mechanism comprises a water blocking block slidingly connected in the mounting frame, a first spring is fixedly connected between the top of the water blocking block and the inner top of the mounting frame, and the water blocking end of the water blocking block extends into the water outlet pipe and abuts against the inner bottom of the water outlet pipe.

[0010] Preferably, the abutting mechanism comprises a hydraulic push rod fixedly installed on the inner side wall of the second mounting groove, the telescopic end of the hydraulic push rod is fixedly connected with a jacking rod, the side wall of the jacking rod is fixedly connected with a string, and the end of the string extends into the mounting frame and is fixedly connected with the top of the water blocking block.

[0011] Preferably, the collecting mechanism comprises a water pump fixedly installed on the inner bottom of the collecting cavity, the water delivery end of the water pump is fixedly connected with a water guide pipe, the end of the water guide pipe extends into the water storage frame and communicates with the water storage frame, the top of the collecting cavity is connected with a water inlet pipe, and the end of the water inlet pipe extends out of the collecting cavity and is fixedly connected with a collecting funnel.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. Through the setting of the abutting mechanism, when the staff rubs the brake pad against the winding wheel of the winch, the jacking rod and the gear ring are driven to abut against each other through the driving of the hydraulic motor, the braking effect is further improved, and the wear of the brake pad is reduced.

[0014] 2. Through the setting of the cooling mechanism, when the staff drives the abutting mechanism to brake again, the water blocking block is driven to displace through the traction of the string, the cooling water in the water storage frame flows out, the jacking rod and the brake pad are cooled, and the service life of the device is prolonged.

[0015] In summary, the utility model discloses the structure design is reasonable, and through setting up abutting mechanism and cooling mechanism, when the staff is through the brake pad to the winch winding wheel friction braking, further improve the braking effect through the drive of hydraulic motor and drive the abutting mechanism of staff, and the abutting mechanism of staff is driven to the secondary braking through the setting of cooling device, and the displacement of water block is driven through the traction of the string, and the cooling water in the water storage frame flows out, and the top rod and brake pad are cooled and handled, and the service life of the device is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic view of well repair machine winch brake mechanism that the utility model provides;

[0017] Figure 2 It is the structure schematic view of well repair machine winch brake mechanism that the utility model provides; Figure 1 It is the structure schematic view of well repair machine winch brake mechanism that the utility model provides;

[0018] Figure 3 It is the structure schematic view of well repair machine winch brake mechanism that the utility model provides; Figure 1 It is the structure schematic view of well repair machine winch brake mechanism that the utility model provides.

[0019] In the drawing: 1 base, 2 U-shaped frame, 3 first installation slot, 4 servo motor, 5 winding wheel, 6 second installation slot, 7 hydraulic push rod, 8 collection cavity, 9 water pump, 10 water guide pipe, 11 collection hopper, 12 water storage frame, 13 string, 14 installation frame, 15 water block, 16 first spring, 17 water outlet pipe, 18 gear ring, 19 top rod, 20 brake pad. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings of the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0021] Referring to Figures 1-3 , well repair machine winch brake mechanism, including base 1 and U-shaped frame 2, the inner side wall of U-shaped frame 2 is equipped with brake pad 20, and U-shaped frame 2 is equipped with first installation slot 3, second installation slot 6 and collection cavity 8 in, first installation slot 3 is equipped with winding mechanism in, and winding mechanism includes servo motor 4 fixedly installed in the inner side wall of first installation slot 3, and the output shaft end of servo motor 4 is fixedly connected with winding wheel 5, and the end of winding wheel 5 is equipped with gear ring 18, and through the setting of winding mechanism, the displacement of the rope can be driven and rotated by the drive of servo motor 4 and the rotation of winding wheel 5;

[0022] The top of the U-shaped frame 2 is provided with a cooling mechanism, the cooling mechanism comprises a water storage frame 12 fixedly installed at the top of the U-shaped frame 2, and a water outlet pipe 17 is connected through the side wall of the water storage frame 12; through the setting of the cooling mechanism, the cooling treatment of the water can be carried out when the brake pad 20 rubs against the winding wheel 5 to prevent the brake pad 20 from being damaged due to overheating and guarantee the braking effect;

[0023] The side wall of the cooling mechanism is fixedly installed with a mounting frame 14, the mounting frame 14 is provided with a water blocking mechanism, the water blocking end of the water blocking mechanism extends into the cooling mechanism and abuts against the inner bottom of the cooling mechanism, the water blocking mechanism comprises a water blocking block 15 slidingly connected in the mounting frame 14, a first spring 16 is fixedly connected between the top of the water blocking block 15 and the inner top of the mounting frame 14, and the water blocking end of the water blocking block 15 extends into the water outlet pipe 17 and abuts against the inner bottom of the water outlet pipe 17;

[0024] The second mounting groove 6 is provided with an abutting mechanism, the end of the abutting mechanism extends into the mounting frame 14 and is fixedly connected with the top of the water blocking mechanism, the abutting mechanism comprises a hydraulic push rod 7 fixedly installed at the side wall in the second mounting groove 6, a top rod 19 is fixedly connected to the extension end of the hydraulic push rod 7, a thin rope 13 is fixedly connected to the side wall of the top rod 19, and the end of the thin rope 13 extends into the mounting frame 14 and is fixedly connected with the top of the water blocking block 15; through the setting of the water blocking mechanism and the abutting mechanism, the top rod 19 can abut against the gear ring 18 through the displacement of the top rod 19 when the brake pad 20 rubs against the winding wheel 5 to carry out secondary braking, the abrasion of the brake pad 20 is reduced, the braking effect is improved, the practical effect is good, the displacement of the top rod 19 drives the displacement of the water blocking block 15 through the traction of the thin rope 13, the water blocking block 15 no longer abuts against the bottom of the water outlet pipe 17, the water in the water storage frame 12 flows out through the water outlet pipe 17, and the top rod 19 and the brake pad 20 are subjected to the cooling treatment;

[0025] The collecting cavity 8 is provided with a collecting mechanism, the end of the collecting mechanism extends into the cooling mechanism and communicates with the cooling mechanism, the collecting mechanism comprises a water pump 9 fixedly installed at the inner bottom of the collecting cavity 8, a water guide pipe 10 is fixedly connected to the water delivery end of the water pump 9, the end of the water guide pipe 10 extends into the water storage frame 12 and communicates with the water storage frame 12, and the top of the collecting cavity 8 is connected with a water inlet pipe in a penetrating mode, the end of the water inlet pipe extends out of the collecting cavity 8 and is fixedly connected with a collecting funnel 11; through the setting of the collecting mechanism, the water cooled by the top rod 19 and the brake pad 20 can be collected and added into the water storage frame 12 through the water pump 9 and the water guide pipe 10, so that the water resources are reused.

[0026] The function principle of the utility model can be described through the following operation modes:

[0027] The utility model discloses a brake piece 20 and hydraulic push rod 7 are driven in operation when the staff needs to brake the winding wheel 5 to prevent the hanging rope to continue displacement, and the brake piece 20 carries out friction braking to the winding wheel 5, and the driving of hydraulic push rod 7 will drive the displacement of the jacking rod 19, and the jacking rod 19 extends and is in the gear ring 18 of slow -moving, and is tightly abutted with the inner side wall, further improve the braking effect of winding wheel 5, and also can reduce the wear and tear of brake pad 20, and the displacement of jacking rod 19 will drive the displacement of fine rope 13 in the process of driving of hydraulic push rod 7, and the displacement of fine rope 13 will pull water block 15 and displace upwards, make the water blocking end of water block 15 no longer abut tightly with the inner bottom of water outlet pipe 17, make the cooling water in the water storage frame 12 flow out through water outlet pipe 17, cool down the jacking rod 19 and brake pad 20, and the water after cooling down falls down under the gravity, and through the collecting hopper 11, enter the collecting cavity 8, when the collecting cavity 8 accumulates a certain amount of water, the staff drives water pump 9, and water pump 9 will enter the water storage frame 12 through the water guide pipe 10 in the collecting cavity 8, guarantee the repeated utilization rate of water resources, and the economic benefit is high.

[0028] The above is only the preferred specific implementation mode of the utility model, but the protection scope of the utility model does not limit to this, and any skilled person in the art is in the technical range disclosed by the utility model, according to the technical scheme and utility model concept of the utility model, carries out equivalent replacement or change, and should cover in the protection scope of the utility model.

Claims

1. A workover rig drawworks brake mechanism comprising a base (1) and a U-shaped frame (2), characterized in that, The inner side wall of the U-shaped frame (2) is provided with a brake pad (20), the U-shaped frame (2) is provided with a first mounting groove (3), a second mounting groove (6) and a collecting cavity (8), the first mounting groove (3) is provided with a winding mechanism, the top of the U-shaped frame (2) is provided with a cooling mechanism, the side wall of the cooling mechanism is fixedly installed with a mounting frame (14), the mounting frame (14) is provided with a water blocking mechanism, the water blocking end of the water blocking mechanism extends into the cooling mechanism and abuts tightly with the inner bottom thereof, the second mounting groove (6) is provided with a abutting mechanism, the end of the abutting mechanism extends into the mounting frame (14) and is fixedly connected with the top of the water blocking mechanism, the collecting cavity (8) is provided with a collecting mechanism, the end of the collecting mechanism extends into the cooling mechanism and communicates with each other.

2. The workover rig drawworks brake mechanism of claim 1, wherein, The winding mechanism comprises a servo motor (4) fixedly installed on the inner side wall of the first mounting groove (3), the output shaft of the servo motor (4) is fixedly connected with a winding wheel (5), and the end of the winding wheel (5) is sleeved with a gear ring (18).

3. The workover rig drawworks brake mechanism of claim 1, wherein, The cooling mechanism comprises a water storage frame (12) fixedly installed on the top of the U-shaped frame (2), and the side wall of the water storage frame (12) is connected with a water outlet pipe (17).

4. The workover rig drawworks brake mechanism of claim 3, wherein, The water blocking mechanism comprises a water blocking block (15) slidingly connected in the mounting frame (14), a first spring (16) is fixedly connected between the top of the water blocking block (15) and the inner top of the mounting frame (14), and the water blocking end of the water blocking block (15) extends into the water outlet pipe (17) and abuts tightly with the inner bottom thereof.

5. The workover rig drawworks brake mechanism of claim 4, wherein, The abutting mechanism comprises a hydraulic push rod (7) fixedly installed on the inner side wall of the second mounting groove (6), the telescopic end of the hydraulic push rod (7) is fixedly connected with a top rod (19), the side wall of the top rod (19) is fixedly connected with a thin rope (13), and the end of the thin rope (13) extends into the mounting frame (14) and is fixedly connected with the top of the water blocking block (15).

6. The workover rig drawworks brake mechanism of claim 3, wherein, The collecting mechanism comprises a water pump (9) fixedly installed on the inner bottom of the collecting cavity (8), the water outlet end of the water pump (9) is fixedly connected with a water guide pipe (10), the end of the water guide pipe (10) extends into the water storage frame (12) and communicates with each other, and the top of the collecting cavity (8) is connected with a water inlet pipe, the end of the water inlet pipe extends out of the collecting cavity (8) and is fixedly connected with a collecting funnel (11).

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