CN218644694U

CN218644694U - Hydraulic belt type brake device

Info

Publication number: CN218644694U
Application number: CN202223452717.9U
Authority: CN
Inventors: 郭超翔; 荣建国; 陈容钦; 李金伟; 何晓洪; 张运成; 彭天阳
Original assignee: Guangzhou Haizhuo Shipbuilding Technology Co ltd; CCCC Guangzhou Dredging Co Ltd.
Current assignee: Guangzhou Haizhuo Shipbuilding Technology Co ltd; CCCC Guangzhou Dredging Co Ltd.
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-03-17
Anticipated expiration: 2032-12-21

Abstract

The utility model relates to a brake equipment technical field specifically is a hydraulic belt type brake equipment, which comprises a mounting bracket, brake tape dish and drive arrangement, the mounting bracket is connected to the one end in brake tape, the other end is connected with the drive arrangement transmission, drive arrangement includes hydraulic cylinder, the actuating arm, pretension spring and emergency screw rod, emergency screw rod threaded connection mounting bracket carries out rotatable coupling with the cylinder body, the piston rod of the articulated hydro-cylinder of one end of actuating arm, the articulated mounting bracket of the other end is articulated and is equipped with radial extension arm, the outer end of extension arm is articulated with brake tape, the one end butt cylinder body of pretension spring, other end butt piston rod, and can be under the no hydraulic power condition to the piston rod application of force so that brake tape dish shrink brake. The utility model provides a hydraulic pressure belt brake equipment both can adopt the other emergency operation of machine when hydraulic system trouble, can maintain brake braking in order to avoid the potential safety hazard automatically when hydraulic system loses hydraulic power again, security and good reliability.

Description

Hydraulic belt type brake device

Technical Field

The utility model relates to a brake equipment technical field specifically is a hydraulic pressure belt brake equipment.

Background

At present, the belt brake equipment that all adopts, utilize the brake area promptly and the purpose of the wheel hub friction of above-mentioned equipment cylinder in order to reach the brake, the belt brake equipment who adopts on the marine craft equipment, generally be manpower manual operation or hydraulic drive, to hydraulic drive's belt brake equipment, then unable operation when hydraulic system trouble, when hydraulic system loses hydraulic power, can lead to brake equipment can't continue to maintain brake even and bring the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect that exists among the prior art, the utility model aims to provide a hydraulic pressure belt brake equipment adopts hydraulic drive, both can adopt the other emergency operation of machine when hydraulic system trouble, can maintain brake braking in order to avoid the potential safety hazard automatically again when hydraulic system loses hydraulic power, security and good reliability.

The utility model discloses the task is realized through following technical scheme:

a hydraulic belt type brake device comprises a mounting frame, a brake belt disc and a driving device, wherein the brake belt disc is of a C-shaped elastic structure, one end of a brake belt is connected with the mounting frame, the other end of the brake belt is in transmission connection with the driving device, the driving device comprises a hydraulic oil cylinder, a driving arm, a pre-tightening spring and an emergency screw rod, the hydraulic oil cylinder comprises a cylinder body and a piston rod which are matched, a screw hole for the emergency screw rod to be in threaded connection and penetrate through is formed in the mounting frame, the lower end of the emergency screw rod is rotatably connected with the upper end of the cylinder body, the piston rod extends downwards from the lower end of the cylinder body and is hinged with one end of the driving arm, the other end of actuating arm and mounting bracket are articulated and be equipped with the extension arm of radial outside extension, the tip of extension arm is articulated with the other end in brake band, hydraulic cylinder can order about piston rod axial reciprocating motion and then drive the shrink of brake band dish or open to realize the brake or remove the brake, the one end butt cylinder body of pretension spring, piston or baffle on the other end butt piston rod, and can be under the hydraulic cylinder does not have the hydraulic power condition to the piston rod application of force so that the shrink brake of brake band dish perhaps keep contracting brake state.

According to the preferable technical scheme, the cylinder body comprises an outer cylinder and an inner cylinder which are fixedly connected, the rod body of the piston rod is formed by one or more sections which are connected in series, an oil supply hole is formed in the rod body, the lower portion of the piston rod extends out of the cylinder body and is fixedly connected with a connecting frame, the piston rod is hinged with the driving arm through the connecting frame, and the pre-tightening spring is coaxially sleeved on the outer sides of the inner cylinder and the piston rod and is arranged in the outer cylinder.

As a preferable technical scheme, the hydraulic band brake device further comprises a stroke sensor, and the stroke sensor can detect the relative displacement between the piston rod and the cylinder body and transmit a signal to a control unit of the hydraulic oil cylinder.

As a preferred technical scheme, the stroke sensor is of an externally-hung structure and comprises a shell, a pull rod and a sensor element, wherein the shell, the pull rod and the sensor element are mutually sleeved, the upper end of the pull rod is hinged with the cylinder body, the lower end of the shell is hinged with the piston rod, and the sensor element is arranged in the shell and can sense the relative displacement of the shell and the pull rod.

As the preferred technical scheme, the upper end of the emergency screw is also fixedly connected with an emergency hand wheel.

As the preferred technical scheme, the lower end of the emergency screw is provided with a spherical head, the upper end of the cylinder body is provided with a matched spherical seat, the spherical head is arranged in the spherical seat, and a plurality of balls are arranged between the spherical head and the spherical seat.

Compared with the prior art, the utility model provides a hydraulic belt brake device adopts hydraulic drive, the brake band dish wraps up on the brake wheel hub of equipment (for example anchor windlass) during the use, under the normal condition, when needing brake braking, through long-range or machine side control hydraulic cylinder action, drive the radial internal contraction of brake band dish through piston rod, actuating arm, extension arm and thereby hold the brake wheel hub tightly and brake the braking, when needing to relieve brake the braking then control hydraulic cylinder reverse motion and can drive the brake band dish and open and thereby relieve brake; when a hydraulic system of the hydraulic oil cylinder is abnormal (hydraulic power is also arranged in the hydraulic oil cylinder), the brake belt disc cannot be driven by the hydraulic oil cylinder to brake or brake the hydraulic oil cylinder, the hydraulic oil cylinder can be driven to move up and down integrally relative to the mounting frame by rotating the emergency screw rod, so that the brake belt disc can be driven to contract or expand by the driving arm and the extension arm, and the brake or the brake release is realized; when hydraulic power (oil pressure drops rapidly or disappears suddenly) is lost in the hydraulic cylinder, the hydraulic cylinder can not apply pressure to the piston rod, and at the moment, the early warning spring can replace the hydraulic cylinder to apply acting force to the piston rod, so that the brake belt disc contracts to brake or keeps a contracted brake state. Therefore, the emergency operation beside the machine can be adopted when the hydraulic system fails, the brake can be automatically maintained to avoid potential safety hazards when the hydraulic system loses hydraulic power, and the safety and the reliability are good.

The conception, the specific structure and the effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

Drawings

FIG. 1 is a schematic structural diagram of a hydraulic band brake apparatus according to an embodiment;

fig. 2 is a schematic sectional structure view of the hydraulic band brake apparatus in the embodiment.

Wherein: 1. a mounting frame; 2. a brake disc; 3. a hydraulic cylinder; 31. a cylinder body; 311. an outer cylinder; 312. an inner cylinder 32, a piston rod; 33. a connecting frame; 4. a drive arm; 41. an extension arm; 5. pre-tightening the spring; 6. an emergency screw; 61. an emergency hand wheel; 62. a spherical head; 63. a ball bearing; 7. a travel sensor; 71. a housing; 72. a pull rod; 73. a sensor element.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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. In addition, it should be understood that the use of "a plurality" or "a plurality" and the like in the description and claims of this application means two or more. Unless otherwise specified, "front", "back", "lower", "upper", and the like are for convenience of description and are not limited to one position or one spatial orientation. The terms "connected" or "connected" and the like are to be understood in a broad sense and may, for example, be fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through intervening elements, and may not be limited to physical or mechanical connections, but may include electrical connections. The specific meaning of the above terms in this application will be understood to be that which is specific to the particular circumstances and to one of ordinary skill in the art.

As shown in fig. 1-2, the hydraulic belt brake apparatus provided in this embodiment includes an installation frame 1, a brake belt disc 2 and a driving device, the brake belt disc 2 is a C-shaped elastic structure, one end of the brake belt is connected to the installation frame 1 (which may be fixedly connected or hinged), the other end of the brake belt is in transmission connection with the driving device, the driving device includes a hydraulic cylinder 3, a driving arm 4, a pre-tightening spring 5 and an emergency screw 6, the hydraulic cylinder 3 includes a cylinder 31 and a piston rod 32 that are matched with each other, the installation frame 1 is provided with a screw hole for the emergency screw 6 to be in threaded connection and to pass through, the lower end of the emergency screw 6 is rotatably connected to the upper end of the cylinder 31, the piston rod 32 extends downward from the lower end of the cylinder 31 and is hinged to one end of the driving arm 4, the other end of the driving arm 4 is hinged to the installation frame 1 and is provided with an extending arm 41 extending radially outward, the end of the extending arm 41 is hinged to the other end of the brake belt, the hydraulic cylinder 3 can drive the piston rod 32 to axially reciprocate and further drive the brake 2 to contract or release the brake belt to achieve braking or release the pre-tightening, one end of the spring 5 abuts against the cylinder 31, the piston or the other end of the hydraulic cylinder 32 abuts against the piston or the piston rod in a state to maintain the brake belt under the state under the condition that the brake belt is in which the brake belt is not under the application force.

The utility model provides a hydraulic pressure belt brake equipment adopts hydraulic drive, and 2 parcel of brake band dish are on the brake wheel hub of equipment (for example anchor windlass) during the use, under the normal condition, when needing brake braking, through long-range or the other side control hydraulic cylinder 3 action, drive brake band dish 2 through piston rod 32, actuating arm 4, extension arm 41 and radially contract inwards thereby hug closely brake wheel hub and brake braking, when needing to relieve brake braking then control hydraulic cylinder 3 reverse motion and can drive brake band dish 2 and open thereby relieve brake braking; when a hydraulic system of the hydraulic oil cylinder 3 is abnormal (hydraulic power is still in the hydraulic oil cylinder 3), the brake disc 2 cannot be driven by the hydraulic oil cylinder 3 to brake or brake the hydraulic oil cylinder 3, the hydraulic oil cylinder 3 can be driven to move up and down integrally relative to the mounting frame 1 by rotating the emergency screw 6, and therefore the brake disc 2 can be driven to contract or expand by the driving arm 4 and the extension arm 41, and braking or brake releasing is achieved; when hydraulic power (oil pressure drops rapidly or disappears suddenly) is lost in hydraulic cylinder 3, hydraulic cylinder 3 can't exert pressure to piston rod 32, can replace hydraulic cylinder 3 to exert effort to piston rod 32 through early warning spring this moment to make brake band dish 2 shrink brake or keep contracting brake state. Therefore, the emergency operation beside the machine can be adopted when the hydraulic system fails, the brake can be automatically maintained to avoid potential safety hazards when the hydraulic system loses hydraulic power, and the safety and the reliability are good.

As a preferred embodiment, the cylinder 31 includes an outer cylinder 311 and an inner cylinder 312 fixedly connected to each other, the rod body of the piston rod 32 is formed by connecting one or more sections in series and is provided with an oil supply hole therein, the lower portion of the piston rod 32 extends to the outside of the cylinder 31 and is fixedly connected to a connecting frame 33, the piston rod 32 is hinged to the driving arm 4 through the connecting frame 33, and the pre-tightening spring 5 is coaxially sleeved on the outer sides of the inner cylinder 312 and the piston rod 32 and is disposed in the outer cylinder 311. The advantage of this design is, structural design is reasonable compact, and the structure is firm, job stabilization.

As a preferred embodiment, the hydraulic band brake device further comprises a stroke sensor 7, the stroke sensor 7 being capable of detecting the relative displacement between the piston rod 32 and the cylinder 31 and transmitting a signal to the control unit of the hydraulic cylinder 3. The advantage of this design is, through hydraulic cylinder 3's the control unit cooperation stroke sensor 7, can realize the remote control to hydraulic cylinder 3 to can replace the other operation of artifical machine, can use manpower sparingly, and do not receive influences such as weather, environment, moreover through stroke sensor 7's feedback control, can realize the nimble quick adjustment of real-time brake dynamics, in order to satisfy special operating mode's needs.

In a preferred embodiment, the stroke sensor 7 is of an externally-hung structure and includes a casing 71, a pull rod 72 and a sensor element 73, which are sleeved with each other, an upper end of the pull rod 72 is hinged to the cylinder 31, a lower end of the casing 71 is hinged to the piston rod 32, and the sensor element 73 is installed in the casing 71 and can sense relative displacement between the casing 71 and the pull rod 72. The advantage of this design is, structural design is reasonable compact, and the structure is firm, job stabilization.

In a preferred embodiment, the upper end of the emergency screw 6 is also fixedly connected with an emergency hand wheel 61. The advantage of this design is that it facilitates the handling of the emergency screw 6.

In a preferred embodiment, the emergency screw 6 has a spherical head 62 at its lower end, and the cylinder 31 has a matching spherical seat at its upper end, the spherical head 62 being placed in the spherical seat with a plurality of balls 63 in between. The advantage of this design is that the rotational connection between the emergency screw 6 and the cylinder 31 is smoother.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the invention herein referred to is not limited to the embodiments with the specified combination of the above-mentioned features, but also encompasses other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. Such as those described above, are interchangeable with other features disclosed herein (but not limited to) having similar functionality.

Claims

1. A hydraulic belt type brake device is characterized by comprising a mounting frame (1), a brake belt disc (2) and a driving device, wherein the brake belt disc (2) is of a C-shaped elastic structure, one end of a brake belt is connected with the mounting frame (1), the other end of the brake belt is in transmission connection with the driving device, the driving device comprises a hydraulic oil cylinder (3), a driving arm (4), a pre-tightening spring (5) and an emergency screw rod (6), the hydraulic oil cylinder (3) comprises a cylinder body (31) and a piston rod (32) which are matched with each other, a screw hole for the emergency screw rod (6) to be in threaded connection and penetrate through is formed in the mounting frame (1), the lower end of the emergency screw rod (6) is rotatably connected with the upper end of the cylinder body (31), piston rod (32) follow the lower extreme downwardly extending of cylinder body (31) and articulate with the one end of actuating arm (4), the other end of actuating arm (4) is articulated with mounting bracket (1) and is equipped with radial outside extension's extension arm (41), the tip of extension arm (41) is articulated with the other end of brake band, hydraulic cylinder (3) can order about piston rod (32) axial reciprocating motion and then drive brake band dish (2) shrink or open, in order to realize the brake or release the brake, the one end butt cylinder body (31) of pretension spring (5), piston or baffle on the other end butt piston rod (32), and can be under hydraulic cylinder (3) do not have the hydraulic power condition to piston rod (32) application of force so that brake band dish (2) shrink brake band dish (2) and apply force The vehicle can be kept in a contracted braking state.

2. The hydraulic band brake apparatus according to claim 1, wherein the cylinder body (31) comprises an outer cylinder (311) and an inner cylinder (312) which are fixedly connected, the rod body of the piston rod (32) is formed by connecting one or more segments in series, an oil supply hole is formed in the rod body, the lower portion of the piston rod (32) extends out of the cylinder body (31) and is fixedly connected with a connecting frame (33), the piston rod (32) is hinged with the driving arm (4) through the connecting frame (33), and the pre-tightening spring (5) is coaxially sleeved on the outer sides of the inner cylinder (312) and the piston rod (32) and is arranged in the outer cylinder (311).

3. A hydraulic band brake device according to claim 1, characterized in that it further comprises a stroke sensor (7), the stroke sensor (7) being able to detect the relative displacement between the piston rod (32) and the cylinder (31) and to send a signal to the control unit of the hydraulic cylinder (3).

4. A hydraulic band brake apparatus according to claim 3, wherein the stroke sensor (7) is of an externally-hung type structure and comprises a housing (71), a pull rod (72) and a sensor element (73) which are sleeved with each other, the upper end of the pull rod (72) is hinged with the cylinder (31), the lower end of the housing (71) is hinged with the piston rod (32), and the sensor element (73) is installed in the housing (71) and can sense the relative displacement of the housing (71) and the pull rod (72).

5. A hydraulic band brake apparatus according to claim 1, characterized in that the upper end of the emergency screw (6) is also fixedly connected with an emergency hand wheel (61).

6. A hydraulic band brake apparatus according to claim 1, characterized in that the emergency screw (6) is provided at its lower end with a spherical head (62), and the cylinder (31) is provided at its upper end with a cooperating spherical seat, the spherical head (62) being placed in the spherical seat with a number of balls (63) in between.