A brake mechanism for a disc-type permanent magnet speed regulator

Abstract

The invention discloses a braking mechanism for a disc-type permanent magnet speed regulator, comprising a mechanism body and a rotor, wherein the bottom end of the rotor is clamped on the mechanism body, and the rotor is sleeved on the output shaft of the disc-type permanent magnet speed regulator; wherein the mechanism body comprises a mounting base plate, a first combination plate, a second combination plate, a brake cylinder, a hydraulic cylinder, a first brake disc, and a second brake disc; the braking mechanism for the disc-type permanent magnet speed regulator drives the second brake disc to move by contracting the brake cylinder, and clamps the rotor by reducing the distance between the first brake disc and the second brake disc, thereby achieving braking, controlling the rotation speed of the disc-type permanent magnet speed regulator, and avoiding accidents of the disc-type permanent magnet speed regulator; the first buffer connector in the braking mechanism for the disc-type permanent magnet speed regulator, the spiral spring in the second buffer connector, and the hydraulic oil all have good buffering effects, so that the rotor will not be damaged during the manufacturing process.

Description

Technical Field

[0001] The invention relates to the field of permanent magnet speed regulators, and in particular to a braking mechanism for a disc type permanent magnet speed regulator. Background Art

[0002] Permanent magnet speed regulation technology is a breakthrough new technology developed internationally in recent years. It is a suitable technology specifically for speed regulation and energy saving of centrifugal loads such as fans and pumps. It has the characteristics of high efficiency and energy saving, high reliability, no rigid connection to transmit torque, can be used in harsh environments, greatly reduces overall system vibration, reduces system maintenance and extends system service life, making it the first choice for energy-saving technology transformation of fans and pump equipment.

[0003] Permanent magnet speed regulator is a new type of speed regulating device using permanent magnet speed regulation technology. It has the advantages of no harmonic pollution, effective vibration isolation, long life cycle, low failure rate, simple maintenance, and low environmental requirements. However, since the permanent magnet speed regulator does not have a hard link between the motor and the load, when the permanent magnet speed regulator is decoupled or the motor suddenly loses power, the speed on the load side is in a free state, and the speed may be out of control, affecting production or even causing accidents.

[0004] Therefore, how to improve the existing permanent magnet speed regulator that is prone to speed loss of control, affecting production and even causing accidents is a problem that the present invention needs to solve. Summary of the invention

[0005] In order to overcome the above-mentioned technical problems, the purpose of the present invention is to provide a braking mechanism for a disc-type permanent magnet speed regulator: the rotor is placed between a first combination plate and a second combination plate, the first piston is driven to move by rotating the first screw rod, so that the first brake disc contacts the rotor, the first brake disc and the second brake disc are made parallel by adjusting the first buffer connecting piece and the second buffer connecting piece, the second combination plate is pulled to slide on the mounting base plate by contraction of two brake cylinders, the mounting plate is driven to move by the first combination plate, thereby driving the second brake disc to move toward the first brake disc, the distance between the first brake disc and the second brake disc is reduced, and the rotor is clamped by the first brake disc and the second brake disc, so that the rotor is decelerated, and the disc-type permanent magnet speed regulator achieves a braking effect, thereby solving the problem that the existing permanent magnet speed regulator is prone to speed loss of control, affecting production and even causing accidents.

[0006] The purpose of the present invention can be achieved through the following technical solutions:

[0007] A brake mechanism for a disc-type permanent magnet speed regulator, comprising a mechanism body and a rotor, wherein the bottom end of the rotor is clamped on the mechanism body, and the rotor is sleeved on the output shaft of the disc-type permanent magnet speed regulator;

[0008] The mechanism body includes a mounting base plate, a first combination plate, a second combination plate, a brake cylinder, a hydraulic cylinder, a first brake disc, and a second brake disc. The second combination plate is slidably installed at the middle position on the top of the mounting base plate. The second combination plate is provided with a first adjustment port. The first combination plates are installed at both ends of the bottom of one side of the second combination plate. The first combination plates at both ends are respectively connected to the two ends of the mounting plate. The second brake disc is installed on the side of the mounting plate close to the second combination plate. A hydraulic cylinder is installed at one end of the mounting base plate away from the mounting plate. Brake cylinders are installed at both ends of the hydraulic cylinder. The sides of the brake cylinders at both ends are respectively connected to the upper and lower sides of the hydraulic cylinder through fixing plates. The output shafts of the brake cylinders at both ends are respectively connected to the two ends of the second combination plate, a first brake disc is installed on one end of the hydraulic cylinder, a connecting plate is vertically installed on one side of the two fixed plates, both ends of the connecting plate are respectively connected to the hydraulic cylinder and the brake cylinder, a first buffer connecting piece is installed through the connecting plate, and the bottom ends of the two first buffer connecting pieces are respectively connected to the two ends of the first brake disc, a second adjusting port is opened at the bottom of the mounting base plate, the bottom end of the first brake disc passes through the second adjusting port, a fixing sleeve is installed on one side of the mounting base plate, the fixing sleeve is sleeved on the second buffer connecting piece, and the bottom end of the second buffer connecting piece is connected to the bottom end of the first brake disc.

[0009] As a further solution of the present invention: the first buffer connecting member and the second buffer connecting member have the same structure, the first buffer connecting member includes a second screw rod, a threaded sleeve, and a coil spring, the second screw rod is threadedly connected with a threaded sleeve, a coil spring is arranged under the threaded sleeve, and the coil spring is sleeved on the second screw rod.

[0010] As a further solution of the present invention: a first piston and a second piston are slidably installed in the inner cavity of the hydraulic cylinder, the first piston and the second piston are covered with rubber pads on the outside, one side of the first piston is connected to one end of the first screw rod, and a piston connecting rod is installed on the side of the second piston away from the first piston, and the end of the piston connecting rod away from the second piston passes through one end of the hydraulic cylinder and is connected to one side of the first brake disc.

[0011] As a further solution of the present invention: a liquid inlet pipe is arranged on the side of the end of the hydraulic cylinder, a valve is installed in the inner cavity of the liquid inlet pipe, and the top end of the liquid inlet pipe is connected to the inner cavity of the hydraulic cylinder close to one end of the first piston.

[0012] As a further solution of the present invention: the first brake disc and the second brake disc can both pass through the first adjustment port, and the first brake disc and the second brake disc are both composed of a steel plate, an adhesive heat insulation layer and a friction block.

[0013] As a further solution of the present invention: the braking process of the braking mechanism is as follows:

[0014] Step 1: Install the rotor on the output shaft of the disc permanent magnet speed regulator, rotate the first screw to drive the first piston to move to the end of the inner cavity of the hydraulic cylinder, inject hydraulic oil into the inner cavity of the hydraulic cylinder from the liquid inlet pipe, and place the rotor between the first combination plate and the second combination plate;

[0015] Step 2: Rotate the first screw to drive the first piston to move, the first piston pushes the second piston to move through the hydraulic oil, and pushes the first brake disc through the first adjustment port through the piston connecting rod, so that the first brake disc contacts the rotor, and the first brake disc and the second brake disc are parallel by adjusting the first buffer connection piece and the second buffer connection piece;

[0016] Step three: Start the brake cylinders. The two brake cylinders contract and pull the second combination plate to slide on the mounting base plate. The mounting plate is driven to move through the first combination plate, thereby driving the second brake disc to move toward the first brake disc. The distance between the first brake disc and the second brake disc is reduced, so that the rotor is clamped by the first brake disc and the second brake disc, which slows down the rotor and achieves the braking effect.

[0017] Beneficial effects of the present invention:

[0018] (1) A brake mechanism for a disc-type permanent magnet speed regulator of the present invention is provided by installing a rotor on the output shaft of the disc-type permanent magnet speed regulator, rotating a first screw rod to drive a first piston to move to the end of an inner cavity of a hydraulic cylinder, injecting hydraulic oil into the inner cavity of the hydraulic cylinder from a liquid inlet pipe, placing a rotor between a first assembly plate and a second assembly plate, rotating a first screw rod to drive a first piston to move, the first piston pushes a second piston to move through hydraulic oil, and a first brake disc is pushed through a first adjustment port by a piston connecting rod so that the first brake disc contacts the rotor, and a first buffer connecting piece and a second buffer connecting piece are adjusted so that the first brake disc and the second brake disc are parallel, and two brakes are connected. The contraction of the moving cylinder pulls the second combination plate to slide on the mounting base plate, and the first combination plate drives the mounting plate to move, thereby driving the second brake disc to move toward the first brake disc, and the distance between the first brake disc and the second brake disc is reduced, so that the rotor is clamped by the first brake disc and the second brake disc, so that the rotor is decelerated, and the disc-type permanent magnet speed regulator achieves a braking effect; the braking mechanism for the disc-type permanent magnet speed regulator drives the second brake disc to move by contracting the brake cylinder, and the rotor is clamped by reducing the distance between the first brake disc and the second brake disc, thereby achieving braking, controlling the rotation speed of the disc-type permanent magnet speed regulator, and avoiding accidents of the disc-type permanent magnet speed regulator;

[0019] (2) The present invention is a brake mechanism for a disc-type permanent magnet speed regulator, which is achieved by connecting the two ends of the first brake disc to the first buffer connecting piece, the bottom end to the second buffer connecting piece, and the side to the piston connecting rod. The piston connecting rod contacts the hydraulic oil through the second piston, and the coil springs in the first buffer connecting piece and the second buffer connecting piece and the hydraulic oil have good buffering effects, so that the rotor will not be damaged during the manufacturing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] Figure 1 It is a structural schematic diagram of a brake mechanism for a disc-type permanent magnet speed regulator in the present invention;

[0022] Figure 2 It is the three-dimensional structure of the mechanism body in the present invention. Figure 1 ;

[0023] Figure 3 It is the three-dimensional structure of the mechanism body in the present invention. Figure 2 ;

[0024] Figure 4 It is the three-dimensional structure of the mechanism body in the present invention. Figure 3 ;

[0025] Figure 5 It is a bottom view of the mechanism body in the present invention;

[0026] Figure 6 It is a schematic structural diagram of the first buffer connector and the second buffer connector in the present invention;

[0027] Figure 7 It is a schematic diagram of the internal structure of the hydraulic cylinder in the present invention.

[0028] In the figure: 100, mechanism body; 200, rotor; 101, mounting base plate; 102, first combination plate; 103, second combination plate; 104, brake cylinder; 105, fixing plate; 106, hydraulic cylinder; 107, first screw rod; 108, first brake disc; 109, first buffer connecting piece; 110, connecting plate; 111, first adjustment port; 112, mounting plate; 113, second brake disc; 114, second buffer connecting piece; 115, liquid inlet pipe; 116, fixing sleeve; 117, second adjustment port; 118, second screw rod; 119, threaded sleeve; 120, coil spring; 121, first piston; 122, second piston; 123, piston connecting rod. DETAILED DESCRIPTION

[0029] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Embodiment 1:

[0031] See also Figure 1-7 As shown, this embodiment is a brake mechanism for a disc-type permanent magnet speed regulator, comprising a mechanism body 100 and a rotor 200, wherein the bottom end of the rotor 200 is clamped on the mechanism body 100, and the rotor 200 is sleeved on the output shaft of the disc-type permanent magnet speed regulator;

[0032] The mechanism body 100 includes a mounting base plate 101, a first assembly plate 102, a second assembly plate 103, a brake cylinder 104, a hydraulic cylinder 106, a first brake disc 108, and a second brake disc 113. The second assembly plate 103 is slidably mounted at the middle position of the top of the mounting base plate 101. The second assembly plate 103 is provided with a first adjustment port 111. The first assembly plates 102 are mounted at both ends of the bottom of one side of the second assembly plate 103. The first assembly plates 102 at both ends are respectively connected to both ends of the mounting plate 112. The second brake disc 113 is mounted on a side of the mounting plate 112 close to the second assembly plate 103. A hydraulic cylinder 106 is mounted at one end of the mounting base plate 101 away from the mounting plate 112. Brake cylinders 104 are mounted at both ends of the hydraulic cylinder 106. The sides of the brake cylinders 104 at both ends are respectively connected to the hydraulic On both sides of the cylinder 106, the output shafts of the brake cylinders 104 at both ends are respectively connected to the two ends of the second combination plate 103, and a first brake disc 108 is installed on one end of the hydraulic cylinder 106. A connecting plate 110 is vertically installed on one side of the two fixed plates 105. The two ends of the connecting plate 110 are respectively connected to the hydraulic cylinder 106 and the brake cylinder 104, and a first buffer connector 109 is installed through the connecting plate 110. The bottom ends of the two first buffer connectors 109 are respectively connected to the two ends of the first brake disc 108. A second adjusting port 117 is opened at the bottom of the mounting base 101, and the bottom end of the first brake disc 108 penetrates the second adjusting port 117. A fixing sleeve 116 is installed on one side of the mounting base 101, and the fixing sleeve 116 is sleeved on the second buffer connector 114, and the bottom end of the second buffer connector 114 is connected to the bottom end of the first brake disc 108.

[0033] The first buffer connector 109 and the second buffer connector 114 have the same structure. The first buffer connector 109 includes a second screw rod 118 , a threaded sleeve 119 , and a coil spring 120 . The second screw rod 118 is threadedly connected with the threaded sleeve 119 . A coil spring 120 is arranged below the threaded sleeve 119 . The coil spring 120 is sleeved on the second screw rod 118 .

[0034] A first piston 121 and a second piston 122 are slidably installed in the inner cavity of the hydraulic cylinder 106. The first piston 121 and the second piston 122 are covered with rubber pads on the outside. One side of the first piston 121 is connected to one end of the first screw rod 107. A piston connecting rod 123 is installed on the side of the second piston 122 away from the first piston 121. The end of the piston connecting rod 123 away from the second piston 122 passes through one end of the hydraulic cylinder 106 and is connected to one side of the first brake disc 108.

[0035] A liquid inlet pipe 115 is provided on the side of the end of the hydraulic cylinder 106 , a valve is installed in the inner cavity of the liquid inlet pipe 115 , and the top end of the liquid inlet pipe 115 is connected to the inner cavity of the hydraulic cylinder 106 close to the end of the first piston 121 .

[0036] The first brake disc 108 and the second brake disc 113 can both pass through the first adjustment port 111 . The first brake disc 108 and the second brake disc 113 are both composed of a steel plate, an adhesive heat insulation layer and a friction block.

[0037] See also Figure 1-7 As shown, the working process of a brake mechanism for a disc-type permanent magnet speed regulator in this embodiment is as follows:

[0038] Step 1: Install the rotor 200 on the output shaft of the disc permanent magnet speed regulator, rotate the first screw 107 to drive the first piston 121 to move to the end of the inner cavity of the hydraulic cylinder 106, inject hydraulic oil into the inner cavity of the hydraulic cylinder 106 from the liquid inlet pipe 115, and place the rotor 200 between the first combination plate 102 and the second combination plate 103;

[0039] Step 2: Rotate the first screw rod 107 to drive the first piston 121 to move. The first piston 121 pushes the second piston 122 to move through the hydraulic oil. The first brake disc 108 is pushed through the first adjustment port 111 by the piston connecting rod 123, so that the first brake disc 108 contacts the rotor 200. The first brake disc 108 and the second brake disc 113 are parallel by adjusting the first buffer connector 109 and the second buffer connector 114.

[0040] Step three: Start the brake cylinder 104. The two brake cylinders 104 contract and pull the second combination plate 103 to slide on the mounting base plate 101. The mounting plate 112 is driven to move through the first combination plate 102, thereby driving the second brake disc 113 to move toward the first brake disc 108. The distance between the first brake disc 108 and the second brake disc 113 is reduced, so that the rotor 200 is clamped by the first brake disc 108 and the second brake disc 113, so that the rotor 200 is decelerated, and the disc permanent magnet speed regulator achieves a braking effect.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The above contents are merely examples and explanations of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the invention or exceed the scope defined by the claims, they shall all fall within the protection scope of the present invention.

Claims

1. A brake mechanism for a disk-type permanent magnet speed regulator, comprising a mechanism body (100) and a rotor (200), wherein the bottom end of the rotor (200) is clamped on the mechanism body (100), and the rotor (200) is sleeved on the output shaft of the disk-type permanent magnet speed regulator, characterized in that: The mechanism body (100) comprises a mounting base plate (101), a first assembly plate (102), a second assembly plate (103), a brake cylinder (104), a hydraulic cylinder (106), a first brake disc (108), and a second brake disc (113). The second assembly plate (103) is slidably mounted at the middle of the top of the mounting base plate (101). The second assembly plate (103) is provided with a first adjustment port (111). The bottom ends of one side of the second assembly plate (103) are both provided with a first assembly plate (112). The first combination plate (102) at both ends is respectively connected to the two ends of the mounting plate (112), a second brake disc (113) is installed on the side of the mounting plate (112) close to the second combination plate (103), a hydraulic cylinder (106) is installed on the end of the mounting base plate (101) away from the mounting plate (112), and brake cylinders (104) are installed at both ends of the hydraulic cylinder (106), and the sides of the brake cylinders (104) at both ends are respectively connected to the hydraulic cylinders (106) through fixing plates (105). On both sides of the cylinder (106), the output shafts of the brake cylinders (104) at both ends are respectively connected to the two ends of the second combination plate (103), a first brake disc (108) is installed on one end of the hydraulic cylinder (106), and a connecting plate (110) is vertically installed on one side of the two fixed plates (105), and the two ends of the connecting plate (110) are respectively connected to the hydraulic cylinder (106) and the brake cylinder (104), and a first buffer connecting piece (109) is installed through the connecting plate (110). The bottom ends of the first buffer connection member (109) are respectively connected to the two ends of the first brake disc (108); a second adjustment opening (117) is provided at the bottom of the mounting base plate (101); the bottom end of the first brake disc (108) passes through the second adjustment opening (117); a fixing sleeve (116) is installed on one side of the mounting base plate (101); the fixing sleeve (116) is sleeved on the second buffer connection member (114); and the bottom end of the second buffer connection member (114) is connected to the bottom end of the first brake disc (108); The first buffer connection member (109) and the second buffer connection member (114) have the same structure. The first buffer connection member (109) comprises a second screw rod (118), a threaded sleeve (119), and a coil spring (120). The second screw rod (118) is threadedly connected with the threaded sleeve (119). A coil spring (120) is arranged below the threaded sleeve (119). The coil spring (120) is sleeved on the second screw rod (118). A first piston (121) and a second piston (122) are slidably installed in the inner cavity of the hydraulic cylinder (106); the first piston (121) and the second piston (122) are both covered with rubber pads on the outside; one side of the first piston (121) is connected to one end of the first screw rod (107); a piston connecting rod (123) is installed on the side of the second piston (122) away from the first piston (121); the end of the piston connecting rod (123) away from the second piston (122) passes through one end of the hydraulic cylinder (106) and is connected to one side of the first brake disc (108).

2. A brake mechanism for a disc-type permanent magnet speed regulator according to claim 1, characterized in that: A liquid inlet pipe (115) is arranged on the side of the end of the hydraulic cylinder (106), a valve is installed in the inner cavity of the liquid inlet pipe (115), and the top end of the liquid inlet pipe (115) is connected to the inner cavity of the hydraulic cylinder (106) close to one end of the first piston (121).

3. The brake mechanism for a disc-type permanent magnet speed regulator according to claim 1, characterized in that: The first brake disc (108) and the second brake disc (113) can both pass through the first adjustment port (111), and the first brake disc (108) and the second brake disc (113) are both composed of a steel plate, an adhesive heat insulation layer and a friction block.

4. The brake mechanism for a disc-type permanent magnet speed regulator according to claim 1, characterized in that: The braking process of the braking mechanism is as follows: Step 1: Mount the rotor (200) on the output shaft of the disc permanent magnet speed regulator, rotate the first screw (107) to drive the first piston (121) to move to the end of the inner cavity of the hydraulic cylinder (106), inject hydraulic oil into the inner cavity of the hydraulic cylinder (106) from the liquid inlet pipe (115), and place the rotor (200) between the first assembly plate (102) and the second assembly plate (103); Step 2: Rotate the first screw rod (107) to drive the first piston (121) to move, the first piston (121) pushes the second piston (122) to move through the hydraulic oil, and pushes the first brake disc (108) through the first adjustment port (111) through the piston connecting rod (123), so that the first brake disc (108) contacts the rotor (200), and adjust the first buffer connecting member (109) and the second buffer connecting member (114) so ​​that the first brake disc (108) and the second brake disc (113) are parallel; Step three: Start the brake cylinder (104), the two brake cylinders (104) contract and pull the second combination plate (103) to slide on the mounting base plate (101), and drive the mounting plate (112) to move through the first combination plate (102), thereby driving the second brake disc (113) to move toward the first brake disc (108), and the distance between the first brake disc (108) and the second brake disc (113) is reduced, so that the rotor (200) is clamped by the first brake disc (108) and the second brake disc (113), so that the rotor (200) is decelerated, and the disc-type permanent magnet speed regulator achieves a braking effect.

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