阅读说明：本技术 一种石油钻机的刹车装置及刹车控制方法 (Brake device and brake control method of petroleum drilling machine ) 是由 杨辉玲 宋正强 于 2021-04-01 设计创作，主要内容包括：本发明适用于石油钻机刹车制动技术领域,提供了一种石油钻机的刹车装置及刹车控制方法,包括：钻机绞车滚筒,所述钻机绞车滚筒中部固接有转轴,所述转轴上固定连接有刹车盘；刹车机构,所述刹车机构包括对称设置在所述刹车盘两侧的刹车杆以及分别固定在钻机绞车上的两个第一固定座和一个第二固定座,两个所述刹车杆的相对面上均具有刹车片,每个所述刹车片的形状均与所述刹车盘相适配；其中一个所述刹车杆的一端与其中一个所述第一固定座铰接,另一端铰接有支撑杆；使用者在缓慢刹车时,液压油缓慢的进入第一固定壳体中进行缓慢制动,在使用者急刹车时,液压油快速进入第一固定壳体中进行快速制动,并且稳定性好,具有一定的针对性。(The invention is suitable for the technical field of brake of oil-well rigs, and provides a brake device and a brake control method of an oil-well rig, which comprise the following steps: the drilling machine winch drum is fixedly connected with a rotating shaft in the middle, and a brake disc is fixedly connected to the rotating shaft; the brake mechanism comprises brake rods symmetrically arranged on two sides of the brake disc and two first fixing seats and a second fixing seat which are respectively fixed on a winch of the drilling machine, brake pads are arranged on opposite surfaces of the two brake rods, and the shape of each brake pad is matched with that of the brake disc; one end of one of the brake rods is hinged with one of the first fixing seats, and the other end of the one of the brake rods is hinged with a supporting rod; the user carries out slow braking in slowly braking, and when user emergency braking, hydraulic oil gets into fast braking in the first fixed casing fast to stability is good, has certain pertinence.)

1. A brake device of an oil rig, characterized by comprising:

the drilling machine winch device comprises a drilling machine winch roller (3), wherein a rotating shaft (2) is fixedly connected to the middle of the drilling machine winch roller (3), and a brake disc (1) is fixedly connected to the rotating shaft (2);

the brake mechanism (4) comprises brake rods (41) symmetrically arranged on two sides of the brake disc (1) and two first fixing seats (42) and a second fixing seat (43) which are respectively fixed on a winch of the drilling machine, the opposite surfaces of the two brake rods (41) are provided with brake pads (412), and the shape of each brake pad (412) is matched with that of the brake disc (1);

one end of one of the brake levers (41) is hinged with one of the first fixing seats (42), and the other end is hinged with a support rod (46);

another the one end and another of brake lever (41) first fixing base (42) are articulated, and the other end articulates there is connecting rod (44), connecting rod (44) bottom articulates there is push rod (45), push rod (45) middle part with second fixing base (43) are articulated, push rod (45) upper surface with bracing piece (46) bottom detachable fixed connection, push rod (45) are kept away from the one end of connecting rod (44) is provided with driver part (47), driver part (47) are used for the drive push rod (45) for second fixing base (43) take place to rotate.

2. The brake apparatus of an oil rig according to claim 1, wherein: the driving component (47) comprises a first fixing shell (471) arranged on one side of the supporting rod (46), the first fixing shell (471) is fixed on a winch of the drilling machine, the top of the first fixing shell (471) is fixedly communicated with a connecting pipe (472), an inner cavity of the first fixing shell (471) is connected with a first piston (473) in a sliding mode, the lower surface of the first piston (473) is fixedly connected with a first piston rod (474), the first piston rod (474) penetrates through the bottom of the first fixing shell (471) in a sliding mode, and the bottom end of the first piston rod (474) is detachably and fixedly connected with the push rod (45).

3. The brake apparatus for an oil rig according to claim 2, wherein: the brake disc is characterized by further comprising a limiting mechanism (5), the limiting mechanism (5) comprises a second fixed shell (53) arranged on the other side of the supporting rod (46), a connecting hose (51) is arranged at the bottom of the side face of the first fixed shell (471) in a communicated mode, the connecting hose (51) penetrates through the supporting rod (46), the connecting hose (51) is fixedly communicated with one side face of the second fixed shell (53), a second piston (54) is connected to the inner cavity of the second fixed shell (53) in a sliding mode, a second piston rod (55) is fixedly connected to the side face of the second piston (54), the second piston rod (55) penetrates through the other side face of the second fixed shell (53) in a sliding mode, the second piston rod (55) faces towards one end of the brake disc (1) and is fixedly connected with a limiting piece (56), and the shape of the limiting piece (56) is matched with the brake disc (1), spacing piece (56) orientation brake disc (1) the surperficial spacing post of fixedly connected with a plurality of (57), set up on brake disc (1) periphery wall a plurality of with spacing groove (11) that spacing post (57) are corresponding and looks adaptation.

4. A brake apparatus for an oil rig according to claim 3, wherein: a plurality of heat dissipation through holes (12) which are annularly arranged are formed in the outer peripheral surface of the brake disc (1) and located on the outer side of the rotating shaft (2).

5. The brake apparatus of an oil rig according to claim 1, wherein: both ends of every brake lever (41) all have first connecting portion (411), every all fixedly connected with first hinge (421) on first fixing base (42), first connecting portion (411) with first hinge (421) are articulated mutually.

6. The brake apparatus of an oil rig according to claim 1, wherein: one end of the push rod (45) close to the connecting rod (44) is provided with a second connecting part (451), the second connecting part (451) is hinged to the bottom end of the connecting rod (44), a second hinge shaft (431) is fixedly connected to the second fixing seat (43), and the push rod (45) is hinged to the second fixing seat (43) through the second hinge shaft (431).

7. The brake apparatus for an oil rig according to claim 2, wherein: keep away from push rod (45) the one end fixedly connected with of connecting rod (44) is first double-screw bolt (452), first screw (476) has been seted up to first piston rod (474) bottom, first double-screw bolt (452) threaded connection in first screw (476), just the one end threaded connection of first double-screw bolt (452) has lock nut (475), lock nut (475) with first piston rod (474) bottom is closely laminated.

8. The brake apparatus of an oil rig according to claim 1, wherein: the bottom end of the supporting rod (46) is fixedly connected with a second stud (461), a second screw hole (453) corresponding to the second stud (461) is formed in the upper surface of the push rod (45), and the second stud (461) is connected in the second screw hole (453) in a threaded mode.

9. A brake apparatus for an oil rig according to claim 3, wherein: the two ends of the connecting hose (51) are respectively fixedly communicated with connectors (52), one of the connectors (52) is fixedly communicated with the side surface of the first fixed shell (471), the other connector (52) is fixedly communicated with the side surface of the second fixed shell (53), and a through hole (462) for the connecting hose (51) to pass through is formed in the supporting rod (46).

10. A brake control method of a brake device of an oil drilling machine is characterized by comprising the following steps:

s1, when the driving part (47) works, the push rod (45) is driven to rotate relative to the second fixed seat (43);

s2, the brake lever (41) located at the downstream of the brake disc (1) rotates relative to the first fixed seat (42) hinged with the brake lever (41), and the brake pad (412) on the brake lever (41) moves towards the brake disc (1) and presses the brake disc (1) after contacting with the brake disc (1);

s3, the brake lever (41) located at the upstream of the brake disc (1) rotates relative to the first fixed seat (42) hinged with the brake lever (41), and the brake pad (412) on the brake lever (41) moves towards the brake disc (1) and presses the brake disc (1) after contacting with the brake disc (1).

Technical Field

The invention belongs to the technical field of brake of petroleum drilling machines, and particularly relates to a brake device and a brake control method of a petroleum drilling machine.

Background

In the oil drilling, a drilling tool is driven to crush rock and drill underground, a well bore with a specified depth is drilled, and an oil extraction machine or a gas extraction machine is supplied to obtain oil or natural gas. A common petroleum drilling machine mainly comprises eight parts, namely a power machine, a transmission machine, a working machine, auxiliary equipment and the like.

The traditional brake devices of oil drilling machines and workover rigs generally adopt belt type brake devices, the brake stability is not good enough, the brake is not targeted, the brake can not be correspondingly carried out according to the slow brake and the quick brake of a user, and certain danger is realized.

Disclosure of Invention

The invention provides a brake device and a brake control method of an oil drilling machine, and aims to solve the problems in the background art.

The invention is realized in this way, a brake device of oil rig, comprising:

the drilling machine winch drum is fixedly connected with a rotating shaft in the middle, and a brake disc is fixedly connected to the rotating shaft;

the brake mechanism comprises brake rods symmetrically arranged on two sides of the brake disc and two first fixing seats and a second fixing seat which are respectively fixed on a winch of the drilling machine, brake pads are arranged on opposite surfaces of the two brake rods, and the shape of each brake pad is matched with that of the brake disc;

one end of one of the brake rods is hinged with one of the first fixing seats, and the other end of the one of the brake rods is hinged with a supporting rod;

another the one end of brake lever is with another first fixing base is articulated, and the other end articulates there is the connecting rod, the connecting rod bottom articulates there is the push rod, the push rod middle part with the second fixing base is articulated, the push rod upper surface with bracing piece bottom detachable fixed connection, the push rod is kept away from the one end of connecting rod is provided with driver part, driver part is used for the drive the push rod for the second fixing base takes place to rotate.

Preferably, the driving part comprises a first fixed shell arranged on one side of the supporting rod, the first fixed shell is fixed on a winch of the drilling machine, the top of the first fixed shell is fixedly communicated with a connecting pipe, an inner cavity of the first fixed shell is connected with a first piston in a sliding manner, a first piston rod is fixedly connected to the lower surface of the first piston, the first piston rod penetrates through the bottom of the first fixed shell in a sliding manner, and the bottom end of the first piston rod is fixedly connected with the push rod in a detachable manner.

Preferably, the device also comprises a limiting mechanism, the limiting mechanism comprises a second fixed shell arranged at the other side of the supporting rod, the bottom of the side surface of the first fixed shell is communicated with a connecting hose which penetrates through the supporting rod, the connecting hose is fixedly communicated with one side surface of the second fixed shell, the inner cavity of the second fixed shell is connected with a second piston in a sliding way, a second piston rod is fixedly connected on the side surface of the second piston and penetrates through the other side surface of the second fixed shell in a sliding manner, and one end of the second piston rod facing the brake disc is fixedly connected with a limiting sheet, the shape of the limiting sheet is matched with that of the brake disc, spacing piece orientation the surperficial spacing post of fixedly connected with a plurality of brake disc, set up on the brake disc periphery wall a plurality of with the corresponding and spacing groove of looks adaptation of spacing post.

Preferably, a plurality of heat dissipation through holes which are annularly arranged are formed in the outer peripheral surface of the brake disc and located on the outer side of the rotating shaft.

Preferably, the two ends of each brake lever are respectively provided with a first connecting part, each first fixing seat is fixedly connected with a first hinge shaft, and the first connecting parts are hinged to the first hinge shafts.

Preferably, one end of the push rod, which is close to the connecting rod, is provided with a second connecting part, the second connecting part is hinged to the bottom end of the connecting rod, a second hinge shaft is fixedly connected to the second fixing seat, and the push rod is hinged to the second fixing seat through the second hinge shaft.

Preferably, the push rod is far away from a first stud fixedly connected with one end of the connecting rod, a first screw hole is formed in the bottom end of the first piston rod, the first stud is in threaded connection with the first screw hole, a locking nut is in threaded connection with one end of the first stud, and the locking nut is tightly attached to the bottom end of the first piston rod.

Preferably, the bottom end of the support rod is fixedly connected with a second stud, a second screw hole corresponding to the second stud is formed in the upper surface of the push rod, and the second stud is in threaded connection with the second screw hole.

Preferably, two ends of the connecting hose are respectively and fixedly communicated with connectors, one of the connectors is fixedly communicated with the side surface of the first fixed shell, the other connector is fixedly communicated with the side surface of the second fixed shell, and the supporting rod is provided with a through hole for the connecting hose to pass through.

A brake control method of a brake device of an oil drilling machine comprises the following steps:

s1, when the driving part works, the push rod is driven to rotate relative to the second fixed seat;

s2, the brake lever located at the downstream of the brake disc rotates relative to the first fixing seat hinged with the brake lever, and the brake pad on the brake lever moves towards the brake disc and presses the brake disc after contacting with the brake disc;

s3, the brake lever located upstream of the brake disc rotates relative to the first fixed seat hinged with the brake lever, and the brake block on the brake lever moves towards the brake disc and presses the brake disc after contacting with the brake disc.

Compared with the prior art, the invention has the beneficial effects that: when the hand brake is operated, hydraulic oil enters the first fixed shell through the connecting pipe to push the first piston to move downwards, so that the first piston rod pushes the push rod to rotate relative to the second fixed seat, one end of the push rod descends and the other end is lifted, two brake rods are close to the brake disc simultaneously, the two brake pads bite the brake disc to brake, a user performs slow braking in the slow entering first fixed shell, when the user performs emergency braking, the hydraulic oil enters the first fixed shell to perform fast braking, the stability is good, and certain pertinence is achieved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial side view of the present invention;

FIG. 3 is a schematic structural diagram of a brake disc according to the present invention;

in the figure: 1. a brake disc; 11. a limiting groove; 12. a heat dissipating through hole; 2. a rotating shaft; 3. a drilling rig winch drum; 4. a brake mechanism; 41. a brake lever; 411. a first connection portion; 412. a brake pad; 42. a first fixed seat; 421. a first hinge shaft; 43. a second fixed seat; 431. a second hinge shaft; 44. a connecting rod; 45. a push rod; 451. a second connecting portion; 452. a first stud; 453. a second screw hole; 454. a balancing weight; 46. a support bar; 461. a second stud; 462. a through hole; 47. a drive member; 471. a first stationary housing; 472. a connecting pipe; 473. a first piston; 474. a first piston rod; 475. locking the nut; 476. a first screw hole; 5. a limiting mechanism; 51. a connecting hose; 52. a connector; 53. a second stationary housing; 54. a second piston; 55. a second piston rod; 56. a limiting sheet; 57. a limiting column.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The invention provides a technical scheme that: a brake device for an oil rig, as shown in fig. 1-2, comprising: the drilling machine winch drum 3 is fixedly connected with a rotating shaft 2 in the middle of the drilling machine winch drum 3, and a brake disc 1 is fixedly connected to the rotating shaft 2; the brake mechanism 4 comprises brake rods 41 symmetrically arranged on two sides of the brake disc 1, and two first fixing seats 42 and a second fixing seat 43 which are respectively fixed on a winch of the drilling machine, wherein the opposite surfaces of the two brake rods 41 are respectively provided with a brake block 412, and the shape of each brake block 412 is matched with that of the brake disc 1; one end of one of the brake levers 41 is hinged with one of the first fixing seats 42, and the other end is hinged with a support rod 46; one end of another brake lever 41 is hinged to another first fixing seat 42, the other end of the another brake lever is hinged to a connecting rod 44, the bottom end of the connecting rod 44 is hinged to a push rod 45, the middle of the push rod 45 is hinged to a second fixing seat 43, the upper surface of the push rod 45 is fixedly connected with the bottom end of a supporting rod 46 in a detachable mode, one end, far away from the connecting rod 44, of the push rod 45 is provided with a driving part 47, and the driving part 47 is used for driving the push rod 45.

According to the brake device of the oil drilling machine, when a user brakes, the working process of the brake device is as follows: when a user brakes slowly, the driving part 47 can slowly press one end of the push rod 45, the push rod 45 rotates relative to the second fixing seat 43, the pressed end of the push rod 45 moves downwards, the other end of the push rod 45 moves upwards, the one end of the push rod 45 moving downwards drives the support rod 46 to move downwards, the support rod 46 drives the brake rod 41 above to move downwards, the brake rod 41 above rotates relative to the first fixing seat 42 above, therefore, the brake disc 1 is engaged by the arc concave surface of the brake block 412 at the upper part for braking, the other end of the push rod 45 moves upwards to drive the connecting rod 44 to move upwards, the lower brake lever 41 is pushed to move upwards by the connecting rod 44, the lower brake lever 41 rotates relative to the lower first fixing seat 42, and the brake pad 412 is preferably arc-shaped, so that the arc-shaped concave surface of the lower brake pad 412 bites the brake disc 1 for braking. Similarly, when the user performs the rapid braking, the driving part 47 can rapidly press one end of the push rod 45, and finally the rapid braking is performed.

In another embodiment of the present invention, the driving member 47 includes a first fixed housing 471 arranged at one side of the supporting rod 46, the first fixed housing 471 is fixed on the winch of the drilling machine, a connecting pipe 472 is fixedly communicated with the top of the first fixed housing 471, a first piston 473 is slidably connected to the inner cavity of the first fixed housing 471, a first piston rod 474 is fixedly connected to the lower surface of the first piston 473, the first piston rod 474 slidably penetrates through the bottom of the first fixed housing 471, and the bottom end of the first piston rod 474 is detachably and fixedly connected to the push rod 45. In use, when a user performs a fast or slow braking operation, hydraulic oil is driven to enter the first stationary housing 471 fast or slowly, and the hydraulic oil pushes the first piston 473 to move downward, so as to drive the first piston rod 474 to move downward to push the push rod 45.

In order to better limit the brake disc 1, the brake disc further comprises a limiting mechanism 5, the limiting mechanism 5 comprises a second fixed shell 53 arranged at the other side of the supporting rod 46, a connecting hose 51 is communicated with the bottom of the side surface of the first fixed shell 471, the connecting hose 51 penetrates through the supporting rod 46, the connecting hose 51 is fixedly communicated with one side surface of the second fixed shell 53, the inner cavity of the second fixed shell 53 is connected with a second piston 54 in a sliding way, the side surface of the second piston 54 is fixedly connected with a second piston rod 55, the second piston rod 55 penetrates through the other side surface of the second fixed shell 53 in a sliding way, and the second piston rod 55 is towards the spacing piece 56 of the one end fixedly connected with of brake disc 1, spacing piece 56's shape and brake disc 1 looks adaptation, spacing piece 56 towards the brake disc 1 on the surface fixedly connected with a plurality of spacing post 57, set up the corresponding and spacing groove 11 of looks adaptation of a plurality of and spacing post 57 on the brake disc 1 periphery wall. In use, when the first piston 473 of the first fixed housing 471 slides to the bottom, the brake disc 1 is completely braked at this time, in order to avoid insufficient braking force, the hydraulic oil in the first fixed housing 471 is pressed into the second fixed housing 53 through the connecting hose 52, the hydraulic oil extrudes the second piston 54, the second piston 54 is driven to move to one side, and the second piston rod 55 drives the limiting post 57 on the limiting piece 56 to insert into one of the limiting grooves 11 for limiting.

Referring to fig. 3, further, a plurality of heat dissipating through holes 12 are formed on the outer circumferential surface of the brake disc 1 and located outside the rotating shaft 2. The heat dissipation through holes 12 are used for dissipating heat generated in the braking process of the brake disc 1, and the service life of the brake disc 1 is prolonged. The plurality of heat dissipating through-holes 12 are preferably uniformly and equidistantly distributed.

It should be noted that both ends of each brake lever 41 are respectively provided with a first connection portion 411, each first fixing seat 42 is fixedly connected with a first hinge shaft 421, and the first connection portion 411 is hinged to the first hinge shaft 421. The first hinge shaft 421 is adapted to rotate with the first connection portion 411.

One end of the push rod 45 close to the connecting rod 44 is provided with a second connecting part 451, the second connecting part 451 is hinged with the bottom end of the connecting rod 44, a second hinge shaft 431 is fixedly connected to the second fixed seat 43, and the push rod 45 is hinged with the second fixed seat 43 through the second hinge shaft 431. The second connecting portion 451 may be hinged to the bottom end of the connecting rod 44 by a pin. The push rod 45 is rotatable with respect to the second hinge shaft 431, the second hinge shaft 431 serving as a central rotation shaft. A weight 454 may be further provided on the push rod 45 at one side of the second hinge shaft 431.

Specifically, one end of the push rod 45 away from the connecting rod 44 is fixedly connected with a first stud 452, a first screw hole 476 is formed in the bottom end of the first piston rod 474, the first stud 452 is in threaded connection with the first screw hole 476, one end of the first stud 452 is in threaded connection with a lock nut 475, and the lock nut 475 is tightly attached to the bottom end of the first piston rod 474. The first screw bolt 452 is screwed into the first screw hole 476 and locked by a locking nut 475, so that the push rod 45 and the first piston rod 474 can be detachably fixed.

The bottom end of the support rod 46 is fixedly connected with a second stud 461, the upper surface of the push rod 45 is provided with a second screw hole 453 corresponding to the second stud 461, and the second stud 461 is in threaded connection with the second screw hole 453. The second stud 461 is screwed into the second screw hole 453 to detachably fix the support rod 46 and the push rod 45.

In addition, two ends of the connection hose 51 are respectively and fixedly communicated with connectors 52, one of the connectors 52 is fixedly communicated with a side surface of the first fixed housing 471, the other connector 52 is fixedly communicated with a side surface of the second fixed housing 53, and the support rod 46 is provided with a through hole 462 for the connection hose 51 to pass through. The connecting head 52 is used for communicating and conveying hydraulic oil, and the connecting hose 52 penetrates through the through hole 462 and can move in the through hole 462.

A brake control method of a brake device of an oil drilling machine comprises the following steps:

s1, when the driving part 47 works, the push rod 45 is driven to rotate relative to the second fixed seat 43;

s2, the brake lever 41 located at the downstream of the brake disc 1 rotates relative to the first fixing seat 42 hinged with the brake lever 41, the brake block 412 on the brake lever 41 moves towards the brake disc 1 and presses the brake disc 1 after contacting with the brake disc 1;

s3, the brake lever 41 located upstream of the brake disc 1 rotates relative to the first fixed seat 42 hinged to the brake lever 41, and the brake pad 412 on the brake lever 41 moves towards the brake disc 1 and presses the brake disc 1 after contacting the brake disc 1.

When a user brakes slowly, the driving part 47 can slowly press one end of the push rod 45, the push rod 45 rotates relative to the second fixing seat 43, the pressed end of the push rod 45 moves downwards, the other end of the push rod 45 moves upwards, the one end of the push rod 45 moving downwards drives the support rod 46 to move downwards, the support rod 46 drives the brake rod 41 above to move downwards, the brake rod 41 above rotates relative to the first fixing seat 42 above, therefore, the brake disc 1 is engaged by the arc concave surface of the brake block 412 at the upper part for braking, the other end of the push rod 45 moves upwards to drive the connecting rod 44 to move upwards, the lower brake lever 41 is pushed to move upwards by the connecting rod 44, and the lower brake lever 41 rotates relative to the lower first fixing seat 42, so that the arc-shaped concave lower surface of the lower brake pad 412 is engaged with the brake disc 1 for braking. Similarly, when the user performs the rapid braking, the driving part 47 can rapidly press one end of the push rod 45, and finally the rapid braking is performed.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.