Multidirectional braking device for mining elevator

Abstract

The multidirectional braking device comprises a bottom plate and supports perpendicularly arranged on the two sides of the upper end face of the bottom plate, a braking ring is fixedly erected at the upper ends of the supports, mounting plates arrayed along the circumference of the outer edge of the braking ring are arranged on the two sides of the braking ring, and mounting holes are formed in the circumference of the mounting plates. Brake holes are symmetrically formed in the two sides of the ring face of the brake ring, brake mechanisms arranged on the outer sides of the brake holes are fixedly installed on the outer sides of the brake holes in the two sides through installation plates, each brake mechanism comprises a pull rod, the pull rods are fixed to the outer sides of the brake holes through the installation plates and extend downwards, and the inner sides of the pull rods are connected with brake pads arranged in the brake holes. The lower end of the pull rod is connected with an air cylinder, a limiting block arranged on the lower side of the brake ring is connected through the mounting plate, the two ends of the limiting block extend to form screws, a limiting plate arranged on the outer side of the pull rod is connected through the screws, and a rope wheel is erected between the brake rings at the upper ends of the supports on the two sides, so that the device is safer, more efficient and stable in use.

Description

Technical Field

[0001] The invention relates to the technical field of braking equipment, in particular to a multi-directional braking device for a mining hoist. Background Art

[0002] In mining production, mine hoists are vital equipment used to lift and transport ore, personnel, etc. However, in order to ensure the safe operation of the hoist, a reliable braking device is essential.

[0003] Traditional mining hoist braking devices often have some problems and shortcomings. The braking devices in the prior art are all single-sided braking, which makes it difficult to achieve multi-directional precise braking, which may pose a safety hazard when dealing with different work requirements and emergencies.

[0004] In addition, the braking response speed of traditional braking devices may be slow and cannot make accurate braking response to the operating status of the elevator in time.

[0005] In summary, in order to improve the operating safety and reliability of mining hoists, it is necessary to develop a new type of multi-directional braking device to overcome the various problems existing in the prior art. Summary of the invention

[0006] In order to solve the above problems, the present invention proposes a more stable braking method, which can brake the rotating rope wheel from multiple sides at the same time, and has better braking effect, faster response speed, and is safer and more stable.

[0007] In order to achieve the above-mentioned purpose, the present invention proposes a multi-directional braking device for a mining hoist, comprising a base plate and a bracket vertically arranged on both sides of the upper end surface of the base plate, characterized in that: a brake ring is fixedly mounted on the upper end of the bracket, and mounting plates extending along the circumference of the outer edge of the brake ring are arranged on both sides of the brake ring. The mounting plates are circumferentially opened with mounting holes, and brake holes are symmetrically opened on both sides of the annular surface of the brake ring. Braking mechanisms placed on the outer sides of the brake holes are fixedly installed on the outer sides of the brake holes on both sides through the mounting plates. The braking mechanism comprises a pull rod, which is fixed to the outer side of the brake hole through the mounting plate and extends downward. A brake pad placed in the brake hole is connected to the inner side of the pull rod, and a cylinder is connected to the lower end of the pull rod, and a limit block placed on the lower side of the brake ring is connected through the mounting plate. Screws extend from both ends of the limit block, and a limit plate placed on the outer side of the pull rod is connected through the screw. A rope pulley is arranged between the brake rings at the upper ends of the brackets on both sides.

[0008] As a preferred solution of the present invention, there are multiple brackets, at least four brackets are arranged on each side of the upper end surface of the base plate, a brake ring is fixedly connected through the bracket, the four brackets are arranged in a rectangular array, and the upper end of the bracket is fixedly connected to the mounting hole of the mounting plate outside the brake ring by bolts.

[0009] As a preferred solution of the present invention, the upper end of the pull rod is fixedly connected to the mounting hole of the mounting plate outside the brake ring by bolts, the pull rod is arranged in the middle of the outer side of the brake hole, and a section of the middle of the pull rod corresponding to the brake hole is fixedly connected with a brake pad placed inside the brake hole, and the inner side of the brake pad is an arc-shaped plate with the same curvature as the inner wall of the brake ring.

[0010] As a preferred solution of the present invention, a cylinder is arranged in the middle of the bracket and is placed at the lower end of the brake. A connecting plate is fixedly connected to the upper end of the cylinder. Connecting rods are extended on both sides of the connecting plate. The connecting rods are movably connected to the pull rods on both sides of the brake ring.

[0011] As a preferred solution of the present invention, a fixing hole is opened at the upper end of the limit block, and the limit hole is fixedly connected to the mounting hole at the lower end of the mounting plate. Both ends of the limit block are provided with screws extending to the outside of the pull rods on both sides of the brake ring. The limit plate is installed through the screws, and nuts for controlling the movement of the limit plate are threadedly connected on both sides of the limit plate.

[0012] The beneficial effects of the present invention are as follows: the multi-directional braking device for mining hoists provided by the present invention realizes multi-directional braking by symmetrically arranging braking mechanisms on both sides of the braking ring, greatly improving the reliability and stability of braking, and braking mechanisms are arranged on both sides of the rope pulley, so that the braking effect is more balanced, safer and more efficient; the cylinder arranged in the middle of the bracket is movably connected to the pull rod through a connecting plate and a connecting rod, which can accurately control the execution of the braking action, has a fast response speed, and improves the timeliness and accuracy of braking; the setting of the limit block, screw and limit plate effectively limits the movement range of the pull rod, prevents the pull rod from excessive movement or deviation, and ensures the normal operation of the braking device and the consistency of the braking effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0014] Figure 2 It is a schematic diagram of the overall structure of the brake ring of the present invention;

[0015] Figure 3 It is a schematic diagram of the overall structure of the braking mechanism of the present invention.

[0016] Notes in the figure

[0017] 1. Base plate; 2. Bracket; 3. Pulley; 4. Brake ring; 401. Mounting plate; 402. Mounting hole; 403. Brake hole; 5. Pull rod; 501. Brake pad; 6. Limit block; 601. Fixing hole; 602. Screw; 603. Limit plate; 7. Cylinder; 701. Connecting plate; 702. Connecting rod. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0019] Combination Figure 1-3 The present invention is a multi-stage grinding device for feed processing, comprising a tank body 1, wherein the upper and lower ends of the tank body 1 are respectively provided with a feed inlet 101 and a discharge port 102, wherein at least two layers of partitions 103 are arranged in the tank body 1, wherein the middle parts of the partitions 103 are provided with mounting holes, and the surface of the partitions 103 is evenly arrayed with leakage holes 104, wherein a transmission shaft 2 which is arranged in the middle part of the tank body 1 and passes through the mounting holes in the middle parts of the plurality of partitions 103 is vertically embedded between the upper and lower ends of the tank body 1, wherein the transmission shaft 2 is vertically embedded with a plurality of shaft sleeves, wherein the outer sides of the shaft sleeves are provided with a plurality of mounting members 301 which are protrudingly arranged around the circumference, wherein a grinding blade is mounted through the mounting member 301, wherein the grinding blade comprises a straight blade 4 and a spiral blade 401, wherein the spiral blade 401 is mounted on the shaft sleeve in the middle part of the transmission shaft 2, wherein the straight blade 4 is mounted on the shaft sleeves at the upper and lower ends of the transmission shaft 2, and wherein the upper end of the transmission shaft 2 is coaxially connected with a driving motor 5.

[0020] Furthermore, the partition 103 has leakage holes 104 in array on its surface, and the plurality of partitions 103 are fixed inside the tank body 1 in sequence from top to bottom with spacing between the plurality of partitions 103 , and the leakage holes 104 on the surface of the lower partition 103 are smaller than those on the upper partition 103 .

[0021] Furthermore, the sleeve includes a long sleeve 303, which is arranged in the middle of the transmission shaft 2. The outer side of the long sleeve 303 is provided with a mounting piece 301 protruding in a continuous S shape from top to bottom, and a spiral blade 401 arranged in a continuous S shape is installed through the mounting piece 301 on the outer side of the long sleeve 303.

[0022] Furthermore, the shaft sleeve also includes a short shaft sleeve 3 , and a mounting piece 301 is arranged around the outer side of the short shaft sleeve 3 , and straight blades 4 are installed on the mounting pieces 301 outside the short shaft sleeve 3 .

[0023] Furthermore, positioning pieces 302 are provided at both upper and lower ends of the shaft sleeve, and the partition plate 103 is placed between the positioning pieces 302 of the two shaft sleeves.

[0024] Combination Figure 1-3The present invention is a multi-directional braking device for a mining hoist, comprising a base plate and a bracket vertically arranged on both sides of the upper end surface of the base plate, wherein a brake ring is fixedly mounted on the upper end of the bracket, and mounting plates extending along the circumference of the outer edge of the brake ring are arranged on both sides of the brake ring, a mounting hole is opened around the mounting plate, and brake holes are symmetrically opened on both sides of the annular surface of the brake ring, and brake mechanisms placed on the outer sides of the brake holes are fixedly installed through the mounting plates on the outer sides of the brake holes on both sides, and the brake mechanism comprises a pull rod, which is fixed to the outer side of the brake hole through the mounting plate and extends downward, and a brake pad placed in the brake hole is connected to the inner side of the pull rod, and a cylinder is connected to the lower end of the pull rod, and a limit block placed on the lower side of the brake ring is connected through the mounting plate, and screws are extended at both ends of the limit block, and a limit plate placed on the outer side of the pull rod is connected through the screw, and a rope pulley is arranged between the brake rings at the upper ends of the brackets on both sides.

[0025] Furthermore, there are multiple brackets, with at least four brackets arranged on each side of the upper end surface of the base plate, and a brake ring is fixedly connected through the bracket. The four brackets are arranged in a rectangular array, and the upper end of the bracket is fixedly connected to the mounting hole of the mounting plate outside the brake ring through bolts.

[0026] Furthermore, the upper end of the pull rod is fixedly connected to the mounting hole of the outer mounting plate of the brake ring by bolts, and the pull rod is arranged in the middle part of the outer side of the brake hole. A section of the middle part of the pull rod corresponding to the brake hole is fixedly connected with a brake pad placed inside the brake hole, and the inner side of the brake pad is an arc-shaped plate with the same curvature as the inner wall of the brake ring.

[0027] Furthermore, a cylinder is arranged in the middle of the bracket and is placed at the lower end of the brake. A connecting piece is fixedly connected to the upper end of the cylinder. Connecting rods are extended on both sides of the connecting piece. The connecting rods are movably connected to the pull rods on both sides of the brake ring.

[0028] Furthermore, a fixing hole is opened at the upper end of the limit block, and the limit hole is fixedly connected to the mounting hole at the lower end of the mounting plate. Both ends of the limit block are provided with screws extending to the outside of the pull rods on both sides of the brake ring. The limit plate is installed through the screws, and nuts for controlling the movement of the limit plate are threadedly connected on both sides of the limit plate.

[0029] During use, first prepare the various parts required to make the multi-directional braking device for mining hoists, including base plates, brackets, brake rings, mounting plates, pull rods, brake pads, cylinders, limit blocks, screws, limit plates, bolts, nuts, connecting plates and connecting rods.

[0030] Place the bottom plate horizontally, and vertically install brackets on both sides of the upper surface of the bottom plate. At least four brackets are installed on each side, and the four brackets are arranged in a rectangular array. The bracket is installed by fixing the lower end of the bracket to the bottom plate by welding or bolting.

[0031] Next, the brake ring is mounted on the upper ends of the brackets on both sides. The upper ends of the brackets are fixedly connected with the mounting holes of the mounting plates outside the brake rings by bolts to ensure that the brake rings are firmly installed.

[0032] Mounting plates are arranged in a circumferential array on both sides of the brake ring, and mounting holes are arranged around the mounting plates. Braking holes are symmetrically arranged on both sides of the brake ring surface, and the brake mechanism is fixedly installed on the outer side of the brake hole through the mounting plates.

[0033] The installation of the brake mechanism is as follows: fix the tie rod to the outside of the brake hole through the mounting plate and extend it downward. The upper end of the tie rod is fixed to the mounting hole of the mounting plate by bolts. On the inside of the tie rod, a brake pad is fixedly connected in the brake hole. The inside of the brake pad is an arc-shaped plate with the same curvature as the inner wall of the brake ring to ensure good brake contact.

[0034] A cylinder is arranged in the middle of the bracket, and the cylinder is located at the lower end of the brake ring. A connecting piece is fixed on the upper end of the cylinder, and connecting rods are extended on both sides of the connecting piece, and the connecting rods are movably connected with the pull rods on both sides of the brake ring.

[0035] Then, a limit block is connected to the lower side of the brake ring through the mounting plate. A fixing hole is opened at the upper end of the limit block, and the fixing hole is fixedly connected to the mounting hole at the lower end of the mounting plate. Screws extend from both ends of the limit block, and the limit plate placed on the outside of the pull rod is installed through the screws, and nuts that control the movement of the limit plate are threadedly connected on both sides of the limit plate. Finally, a rope pulley is set between the brake rings at the upper ends of the two side brackets.

[0036] During the operation of the mining hoist, when braking is required, the cylinder is activated, pushing the rod inward through the connecting rod, so that the brake pad inside the rod contacts the brake ring to generate braking force. At the same time, the combination of the limit block, screw and limit plate limits the movement range of the rod to ensure the accuracy and stability of the braking action.

[0037] The multi-directional braking device for mining hoists provided by the present invention realizes multi-directional braking by symmetrically arranging braking mechanisms on both sides of the braking ring, greatly improving the reliability and stability of braking, and braking mechanisms are arranged on both sides of the rope pulley, so that the braking effect is more balanced, safer and more efficient; the cylinder arranged in the middle of the bracket is movably connected to the pull rod through a connecting plate and a connecting rod, and can accurately control the execution of the braking action, with a fast response speed, thereby improving the timeliness and accuracy of braking; the setting of the limit block, the screw rod and the limit plate effectively limits the movement range of the pull rod, prevents the pull rod from excessive movement or deviation, and ensures the normal operation of the braking device and the consistency of the braking effect.

[0038] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A multi-directional braking device for a mining hoist, comprising a base plate (1) and brackets (2) vertically arranged on both sides of the upper end surface of the base plate (1), Features: A brake ring (4) is fixedly mounted on the upper end of the bracket (2), and mounting plates (401) are arranged on both sides of the brake ring (4) in a circumferential array along the outer edge of the brake ring (4), and mounting holes (402) are opened around the mounting plate (401), and brake holes (403) are opened symmetrically on both sides of the annular surface of the brake ring (4), and brake mechanisms placed on the outer sides of the brake holes (403) are fixedly mounted on the outer sides of the brake holes (403) through the mounting plates (401), and the brake mechanisms include a pull rod (5), and the pull rod (5) is fixed on the outer sides of the brake holes (403) through the mounting plates (401). The brake hole (403) is arranged outside and extends downward, and the inner side of the pull rod (5) is connected to a brake pad (501) placed in the brake hole (403). The lower end of the pull rod (5) is connected to a cylinder (7), and a limit block (6) placed on the lower side of the brake ring (4) is connected through the mounting plate (401). Screws (602) extend from both ends of the limit block (6), and a limit plate (603) placed on the outer side of the pull rod (5) is connected through the screw (602). A pulley (3) is arranged between the brake rings (4) at the upper ends of the two side brackets (2).

2. A multi-directional braking device for a mining hoist according to claim 1, Features: The number of the brackets (2) is plural, and at least four brackets (2) are arranged on each side of the upper end surface of the base plate (1), and a brake ring (4) is fixedly connected through the brackets (2). The four brackets (2) are arranged in a rectangular array, and the upper end of the bracket (2) is fixedly connected to the mounting hole (402) of the outer mounting plate (401) of the brake ring (4) by bolts.

3. A multi-directional braking device for a mining hoist according to claim 1, Features: The upper end of the pull rod (5) is fixedly connected to the mounting hole (402) of the mounting plate (401) outside the brake ring (4) by bolts, and the pull rod (5) is arranged in the middle of the outer side of the brake hole (403). A section of the middle of the pull rod (5) corresponding to the brake hole (403) is fixedly connected with a brake pad (501) arranged inside the brake hole (403), and the inner side of the brake pad (501) is an arc-shaped plate with the same curvature as the inner wall of the brake ring (4).

4. A multi-directional braking device for a mining hoist according to claim 1, Features: A cylinder (7) is arranged in the middle of the bracket (2) and is placed at the lower end of the brake. A connecting piece (701) is fixedly connected to the upper end of the cylinder (7). Connecting rods (702) are extended on both sides of the connecting piece (701). The connecting rods (702) are movably connected to the pull rods (5) on both sides of the brake ring (4).

5. A multi-directional braking device for a mining hoist according to claim 1, Features: A fixing hole (601) is formed at the upper end of the limit block (6), and the limit hole is fixedly connected to the mounting hole (402) at the lower end of the mounting plate (401). Screws (602) extending to the outer sides of the pull rods (5) on both sides of the brake ring (4) are provided at both ends of the limit block (6). The limit plate (603) is installed through the screws (602), and nuts for controlling the movement of the limit plate (603) are threadedly connected to both sides of the limit plate (603).

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