CN215596252U - Convenient-to-detach brake shoe for elevator braking - Google Patents
Convenient-to-detach brake shoe for elevator braking Download PDFInfo
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- CN215596252U CN215596252U CN202122169752.9U CN202122169752U CN215596252U CN 215596252 U CN215596252 U CN 215596252U CN 202122169752 U CN202122169752 U CN 202122169752U CN 215596252 U CN215596252 U CN 215596252U
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Abstract
A conveniently-detachable brake shoe for elevator braking comprises a brake shoe body and a brake shoe fixing frame for mounting the brake shoe body; the brake shoe fixing frame is characterized in that a tile nose which is formed by bending and then protruding outwards is arranged in the radial middle position of the back surface of the brake shoe body, the front surface of the brake shoe fixing frame is attached to the back surface of the brake shoe body, a first concave structure matched with the tile nose is arranged on the front surface of the brake shoe fixing frame, a threaded hole is formed in the center of the tile nose, a through hole matched with the threaded hole is formed in the first concave structure, and the brake shoe body is fixedly connected with the brake shoe fixing frame through a bolt; the front surface of the brake shoe body is provided with a heat dissipation groove, and the heat dissipation groove comprises a first heat dissipation groove arranged at the center of the front surface of the brake shoe body and second heat dissipation grooves symmetrically arranged on two sides of the first heat dissipation groove. The conveniently-disassembled brake shoe for elevator braking, disclosed by the utility model, is reasonable in structural design and convenient to install and disassemble, and has a heat dissipation effect and a wide application prospect due to the fact that the heat dissipation groove is formed in the brake shoe body.
Description
Technical Field
The utility model relates to the technical field of brake shoes, in particular to a brake shoe convenient to disassemble and used for elevator braking.
Background
The brake part for stopping the elevator during running and braking is a brake shoe. Brake shoes are generally made of cast iron or other materials, and hold the tread of a brake wheel tightly during braking, so that the brake wheel stops rotating through friction. In this process, the braking device converts the huge kinetic energy into heat energy to be dissipated into the atmosphere. The braking effect depends on the dissipation of the frictional heat energy. When the brake mode is used, the friction area of the brake shoe is small, and most of the heat load is borne by the brake wheel.
The reliability of elevator operation and the convenience of maintenance are very important to the elevator, and the brake shoe for elevator braking in the prior art is complex in mounting and dismounting operation and high in maintenance cost; the brake shoe and the brake wheel generate great extrusion force, the brake shoe and the wheel surface of the brake wheel generate relative friction motion under the great extrusion force, a large amount of heat is rapidly generated, the brake shoe is easy to wear due to poor heat dissipation effect, and the service life is shortened. Therefore, it is necessary to develop a brake shoe for an elevator brake, which is easily disassembled, so as to solve the above problems.
Chinese patent application No. cn201911266795.x discloses a brake and brake shoe assembly for the purpose of facilitating the replacement and removal of a hub disc assembly while positioning the brake shoe assembly, which is used for an automobile although solving the problem of convenient detachment and does not solve the problem of poor heat dissipation effect.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome the defects, the utility model aims to provide the conveniently-disassembled brake shoe for the elevator brake, which has the advantages of reasonable structural design and convenience in installation and disassembly, and has a heat dissipation effect and a wide application prospect by arranging the heat dissipation groove on the brake shoe body.
The technical scheme is as follows: a conveniently-detachable brake shoe for elevator braking comprises a brake shoe body and a brake shoe fixing frame for mounting the brake shoe body; the brake shoe fixing frame is characterized in that a tile nose which is formed by bending and then protruding outwards is arranged in the radial middle position of the back surface of the brake shoe body, the front surface of the brake shoe fixing frame is attached to the back surface of the brake shoe body, a first concave structure matched with the tile nose is arranged on the front surface of the brake shoe fixing frame, a threaded hole is formed in the center of the tile nose, a through hole matched with the threaded hole is formed in the first concave structure, and the brake shoe body is fixedly connected with the brake shoe fixing frame through a bolt; the front surface of the brake shoe body is provided with a heat dissipation groove, the heat dissipation groove comprises a first heat dissipation groove arranged at the center of the front surface of the brake shoe body and second heat dissipation grooves symmetrically arranged at two sides of the first heat dissipation groove, and the inner side surface of the first heat dissipation groove extends to be connected with the inner side surface of the brake shoe nose; bulges are symmetrically arranged at two ends of the back surface of the brake shoe body, and concave structures II matched with the bulges are symmetrically arranged at two ends of the brake shoe fixing frame; the brake shoe fixing frame is rotatably connected with a lifting ring rod, a stop iron is arranged at the bottom of the lifting ring rod, a guide rod movably penetrates through the stop iron, one end, close to the brake shoe fixing frame, of the guide rod is connected with the brake shoe fixing frame, an elastic piece is sleeved on the guide rod, and the elastic piece is located on one side, close to the brake shoe fixing frame, of the stop iron; the connecting position of the guide rod and the brake shoe fixing frame is positioned below the connecting position of the suspension ring rod and the brake shoe fixing frame.
The conveniently-disassembled brake shoe for elevator braking has the advantages of reasonable structural design, convenience in installation and disassembly and convenience in maintenance, during installation, the brake shoe fixing frame is rotatably connected with the lifting ring rod, the top of the lifting ring rod is connected to the framework, the framework is an existing component of an elevator hanging type brake beam, details are omitted, then the elastic piece is assembled on the guide rod, the initial length of the elastic piece is adjusted, the tail of the guide rod penetrates through the stop iron, the elastic piece is supported against the stop iron, the head of the guide rod is connected with the brake shoe fixing frame, then the threaded hole of the brake shoe body is aligned with the through hole of the brake shoe fixing frame, the brake shoe body is fixedly connected with the brake shoe fixing frame through a bolt, and vice versa, the brake shoe is disassembled.
The two ends of the back of the brake shoe body are symmetrically provided with bulges, and the arrangement of the bulges ensures that the brake shoe body can be matched with the concave structure matched with the brake shoe fixing frame to form firmer connection, so that the brake shoe body can be operated more reliably.
Through be provided with the radiating groove on the brake shoe body, played the radiating effect. The friction of the tread of the elevator brake wheel and the contact surface of the brake shoe body generates a large amount of heat and the friction generates chips and the like, the chips and the like can be effectively transmitted and dissipated, the first heat dissipation groove extends to be connected with the inner side of the shoe nose, and partial heat can be dissipated into the atmosphere through the shoe nose, so that a better heat dissipation effect can be achieved, the width depth of the first heat dissipation groove is enough to ensure heat dissipation, the chips and the like generated by friction can be discharged along the first heat dissipation groove, the second heat dissipation grooves are symmetrically arranged on two sides of the first heat dissipation groove, partial heat and chips generated by friction can be discharged, the symmetrical design ensures that the strength of the brake shoe body in use also ensures the heat dissipation and chip removal effect, the tread of the elevator brake wheel can continuously travel under a more suitable temperature condition, and the tread of the elevator brake wheel is more reliable and durable.
The brake shoe fixing frame is rotatably connected with a hanging ring rod, the top of the hanging ring rod is connected to the framework, the connecting position of the guide rod and the brake shoe fixing frame is located below the connecting position of the hanging ring rod and the brake shoe fixing frame, when the brake is relieved, the torque generated by the restoring force of the elastic piece to the brake shoe fixing frame can be overcome, the torque generated by the gravity of the brake shoe fixing frame can be overcome, the problem that the top of the brake shoe fixing frame is attached to an elevator brake wheel to move, and the phenomenon that the bottom of the brake shoe fixing frame is far away from the 'virtual holding' or even 'heading' caused by the movement of the elevator brake wheel in the prior art is solved, the uneven gap between the top end and the bottom end of the brake shoe and the brake wheel is solved, the eccentric wear of the brake shoe is avoided, the use reliability and the safety of an elevator hanging type brake beam are improved, and the maintenance frequency of the brake shoe fixing frame is reduced.
Furthermore, the conveniently-disassembled brake shoe for elevator braking is characterized in that the elastic part is a compression spring, spring pressing plates are arranged at two ends of the elastic part, and the spring pressing plates are slidably sleeved on the guide rod; one spring pressing plate is in contact with the stop iron, the other spring pressing plate is limited by a positioning assembly, and the positioning assembly can move along the axis of the guide rod.
The spring pressing plates at two ends ensure that the compression spring is always in a compression state, the spring pressing plate at one end of the compression spring is in contact with the stop iron and cannot pass through the stop iron, and the spring pressing plate at the other end of the compression spring is determined to be limited by the assembly, so that the relative stability and reliability of the elastic piece are ensured. When braking, the guide rod passes through the stop iron to do linear motion, and the elastic piece is further compressed due to the blocking of the stop iron, so that the reset force after the braking is released is ensured. In addition, under the normal driving condition that the brake is not carried out, because the elastic part is always in a compression state, the elastic part can always provide a torque for the brake shoe fixing frame, and the torque can clear up the torque generated by the gravity of the brake shoe fixing frame, thereby avoiding the eccentric wear of the brake shoe.
Furthermore, the guide rod is connected with the brake shoe fixing frame through the fixing shaft, and two ends of the fixing shaft are respectively connected with the brake shoe fixing frame and the guide rod in a rotating manner; the suspension ring rod is provided with a first pin hole and a second pin hole, the first pin hole is used for being connected with the framework, and the second pin hole is used for being in pin joint with the brake shoe fixing frame.
The guide rod is connected with the brake shoe fixing frame through the fixing shaft, the fixing shaft is connected with the brake shoe fixing frame and the guide rod through any existing rotating connection mode, and when the brake shoe fixing frame rotates, the fixing shaft is driven to move, so that the guide rod is driven to move. The lifting ring rod is connected with the framework through the first pin hole, the lifting ring rod is provided with the second pin hole, the corresponding brake shoe fixing frame is provided with the circular through hole matched with the second pin hole, and the second pin hole of the lifting ring rod is conveniently aligned and then is installed on the pin shaft of the elevator hanging type brake beam.
Furthermore, the guide rod of the conveniently-disassembled brake shoe for the elevator brake comprises a thread section close to the brake shoe fixing frame and a light rod section far away from the brake shoe fixing frame; the positioning assembly comprises a locking nut and an adjusting nut which are matched with the thread section, and the locking nut is positioned on one side of the adjusting nut, which is far away from the elastic piece.
The thread section is matched with the locking nut and the adjusting nut to ensure that the locking nut and the adjusting nut are in stable threaded connection, and the polished rod section is convenient for the guide rod to movably pass through the stop iron; by adjusting the locking torque and the position of the adjusting nut, the compression force of different compression springs under compression can be obtained according to design requirements, and different spring restoring forces under the condition of brake release can be obtained.
Further, the conveniently-detachable brake shoe for braking the elevator is characterized in that the stop iron is an angle iron, one side surface of the stop iron is attached to the brake shoe fixing frame, and the other side surface of the stop iron is provided with a through hole for a guide rod to pass through; the guide rod is kept away from the one end of brake shoe mount and can be dismantled and connect the locating part, the locating part can't pass the through-hole.
The guide rod is prevented from falling off from the stop iron through the limiting part.
Furthermore, the brake shoe for elevator braking, which is convenient to disassemble, has an arc-shaped structure on the section of the brake shoe body; the opening of first radiating groove, 2 second radiating grooves is along 1 radial crescent from inside to outside of brake shoe body, 2 the big or small structure of second radiating groove is the same.
Furthermore, the convenient elevator brake shoe of dismantling, the plum blossom hole has been seted up on the brake shoe body back, the plum blossom hole is provided with 8 groups to respectively be provided with 4 groups in the both sides of tile nose, be the setting of rectangle structure.
The design of brake shoe body back plum blossom hole can be so that the brake shoe body in the in-service use process, and the area of contact between increase brake shoe body and the brake shoe mount, plum blossom hole position become the rectangle structure and the symmetrical design then is in order to guarantee that area of contact increases between brake shoe body and brake shoe mount, guarantees simultaneously that the holistic intensity of brake shoe body can not reduce because of the existence in plum blossom hole.
The utility model has the beneficial effects that: the conveniently-disassembled brake shoe for elevator braking, disclosed by the utility model, has the advantages that the structural design is reasonable, the installation and the disassembly are convenient, the heat dissipation effect is achieved by arranging the heat dissipation grooves on the brake shoe body, the torque generated by the restoring force of the elastic piece on the brake shoe fixing frame can overcome the torque generated by the gravity of the brake shoe fixing frame, and therefore the phenomenon of 'virtual holding' or even 'head hitting' caused by the fact that the top of the brake shoe fixing frame is attached to an elevator brake wheel to move and the bottom of the brake shoe fixing frame is far away from the elevator brake wheel to move in the prior art is overcome, and the problem of uneven gaps between the top end and the bottom end of the brake shoe and the brake wheel is solved, and the application prospect is wide.
Drawings
FIG. 1 is a schematic view of the structure and working principle of the conveniently detachable brake shoe for elevator braking according to the present invention;
FIG. 2 is a schematic structural view of a lifting ring rod and a stop iron of the conveniently-disassembled brake shoe for an elevator;
FIG. 3 is a schematic view of the guide rod structure of the conveniently detachable brake shoe for elevator braking according to the present invention;
FIG. 4 is a schematic structural view of a brake shoe body of the conveniently detachable brake shoe for an elevator according to the present invention;
FIG. 5 is a schematic view of the back side of the brake shoe body of the conveniently detachable brake shoe for an elevator according to the present invention;
in the figure: the brake shoe comprises a brake shoe body 1, a shoe nose 11, a threaded hole 111, a heat dissipation groove 12, a first heat dissipation groove 121, a second heat dissipation groove 122, a protrusion 13, a plum blossom hole 14, a brake shoe fixing frame 2, a first concave structure 211, a first pin hole 213, a second pin hole 214, a suspension ring rod 21, a stop iron 22, a through hole 221, a guide rod 23, a limiting part 231, an elastic part 24, a spring pressing plate 241, a positioning component 25, a locking nut 251, an adjusting nut 252 and a fixing shaft 26.
Detailed Description
The utility model will be further elucidated with reference to the accompanying figures 1-5 and specific examples.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The conveniently-disassembled brake shoe for the elevator brake with the structure as shown in the figures 1-5 comprises a brake shoe body 1 and a brake shoe fixing frame 2 for mounting the brake shoe body 1; the brake shoe comprises a brake shoe body 1, a brake shoe fixing frame 2 and a brake shoe fixing frame, wherein the radial middle position of the back surface of the brake shoe body 1 is provided with a tile nose 11 which is formed by bending and protruding outwards, the front surface of the brake shoe fixing frame 2 is attached to the back surface of the brake shoe body 1, the front surface of the brake shoe fixing frame 2 is provided with a first concave structure 211 matched with the tile nose 11, the center of the tile nose 11 is provided with a threaded hole 111, the first concave structure 211 is provided with a through hole matched with the threaded hole 111, and the brake shoe body 1 is fixedly connected with the brake shoe fixing frame 2 through a bolt; the front surface of the brake shoe body 1 is provided with a heat dissipation groove 12, the heat dissipation groove 12 comprises a first heat dissipation groove 121 arranged at the center of the front surface of the brake shoe body 1 and second heat dissipation grooves 122 symmetrically arranged at two sides of the first heat dissipation groove 121, and the inner side surface of the first heat dissipation groove 121 extends to be connected with the inner side surface of the shoe nose 11; the two ends of the back surface of the brake shoe body 1 are symmetrically provided with bulges 13, and the two ends of the brake shoe fixing frame 2 are symmetrically provided with second concave structures matched with the bulges 13; the brake shoe fixing frame 2 is rotatably connected with a hanging ring rod 21, the bottom of the hanging ring rod 21 is provided with a stop iron 22, a guide rod 23 movably penetrates through the stop iron 22, one end, close to the brake shoe fixing frame 2, of the guide rod 23 is connected with the brake shoe fixing frame 2, an elastic piece 24 is sleeved on the guide rod 23, and the elastic piece 24 is positioned on one side, close to the brake shoe fixing frame 2, of the stop iron 22; the connecting position of the guide rod 23 and the brake shoe fixing frame 2 is positioned below the connecting position of the suspension ring rod 21 and the brake shoe fixing frame 2.
In addition, the elastic member 24 is a compression spring, spring pressing plates 241 are arranged at two ends of the elastic member 24, and the spring pressing plates 241 are slidably sleeved on the guide rod 23; one of the spring pressing plates 241 is in contact with the stop iron 22, and the other spring pressing plate 241 is limited by a positioning assembly 25, wherein the positioning assembly 25 can move along the axis of the guide rod 23.
In addition, the guide rod 23 is connected with the brake shoe fixing frame 2 through a fixing shaft 26, and two ends of the fixing shaft 26 are respectively connected with the brake shoe fixing frame 2 and the guide rod 23 in a rotating manner; the suspension ring rod 21 is provided with a first pin hole 213 and a second pin hole 214, the first pin hole 213 is used for connecting with a framework, and the second pin hole 214 is used for pin-jointing with the brake shoe fixing frame 2.
In addition, the guide rod 23 comprises a thread section close to the brake shoe fixing frame 2 and a polished rod section far away from the brake shoe fixing frame 2; the positioning assembly 25 comprises a locking nut 251 and an adjusting nut 252 which are matched with the threaded sections, wherein the locking nut 251 is positioned on the side, facing away from the elastic piece 24, of the adjusting nut 252.
Further, the stop iron 22 is an angle iron, one side surface of the stop iron 22 is attached to the brake shoe fixing frame 2, and the other side surface is provided with a through hole 221, wherein the through hole 221 is used for the guide rod 23 to pass through; one end of the guide rod 23, which is far away from the brake shoe fixing frame 2, is detachably connected with a limiting piece 231, and the limiting piece 231 cannot pass through the through hole 221.
Further, the section of the brake shoe body 1 is of an arc-shaped structure; the openings of the first heat dissipation grooves 121 and the 2 second heat dissipation grooves 122 are gradually increased from inside to outside along the radial direction of the brake shoe body 1, and the 2 second heat dissipation grooves 122 are identical in size and structure.
Further, the back of the brake shoe body 1 is provided with 8 groups of plum blossom holes 14, and two sides of the shoe nose 11 are respectively provided with 4 groups of plum blossom holes 14 which are arranged in a rectangular structure.
Examples
Based on the above structural basis, as shown in fig. 1-5.
The conveniently-disassembled brake shoe for the elevator brake is reasonable in structural design, convenient to install and disassemble and convenient to maintain, during installation, the brake shoe fixing frame 2 is rotatably connected with the suspension ring rod 21, the top of the suspension ring rod 21 is connected to a framework, the framework is an existing component of an elevator suspension type brake beam, details are not repeated, then the elastic piece 24 is assembled on the guide rod 23, the initial length of the elastic piece 24 is adjusted, the tail of the guide rod 23 penetrates through the stop iron 22, the elastic piece 24 abuts against the stop iron 22, the head of the guide rod 23 is connected with the brake shoe fixing frame 2, then the threaded hole 111 of the brake shoe body 1 is aligned with the through hole of the brake shoe fixing frame 2, the brake shoe body 1 is fixedly connected with the brake shoe fixing frame 2 through a bolt, and vice versa during disassembly.
Wherein the step of assembling the elastic member 24 on the guide bar 23 includes: sleeving a compression spring on the guide rod 23 through two spring pressing plates 241, sequentially screwing an adjusting nut 252 and a locking nut 251 on a threaded section at the head of the guide rod 23, controlling the position of the adjusting nut 252, and pushing the compression spring against the stop iron 22 to realize the adjustment of the initial length of the compression spring; the lock nut 251 is fastened to the outside of the adjustment nut 252 to fix the position of the adjustment nut 252.
Wherein, the step that the head of guide rod 23 is connected with brake shoe mount 2 includes: the fixed shaft 26 is inserted into a round hole at the head of the guide rod 23, the fixed shaft 26 and the guide rod 23 are in pin joint by adopting a gasket and a cotter pin, and the other end of the fixed shaft 26 is inserted into a small hole at the bottom of the brake shoe fixing frame 2 for pin joint.
Further, both ends of the back of the brake shoe body 1 are symmetrically provided with protrusions 13, and the arrangement of the protrusions 13 enables the brake shoe body 1 to be matched with the brake shoe fixing frame 2 in a matched concave structure to form firmer connection, so that the brake shoe body 1 can be operated more reliably.
Further, the design of plum blossom hole 14 on the back of brake shoe body 1 can make brake shoe body 1 in the in-service use process, increases the area of contact between brake shoe body 1 and brake shoe mount 2, and plum blossom hole 14 position becomes the rectangle structure and the symmetrical design is then in order to guarantee that area of contact increases between brake shoe body 1 and brake shoe mount 2, guarantees simultaneously that the holistic intensity of brake shoe body 1 can not reduce because of the existence of plum blossom hole 14.
Furthermore, the heat dissipation groove 12 is arranged on the brake shoe body 1, so that the heat dissipation effect is achieved. The friction between the tread of the brake wheel of the elevator and the contact surface of the brake shoe body 1 generates a great deal of heat and the debris and the like generated by the friction can be effectively transmitted and dissipated through the heat dissipation grooves 12, because the inner side of the first heat dissipation groove 121 extends to be connected with the inner side surface of the tile nose 11, part of heat can be dissipated into the atmosphere through the tile nose 11, so that a better heat dissipation effect can be achieved, and the width and depth of the first heat dissipation groove 121 are enough to ensure heat dissipation, and at the same time, the chips and the like generated by friction can be discharged along the first heat dissipation groove 121, the second heat dissipation grooves 122, which are symmetrically arranged at both sides of the first heat dissipation groove 121, can also discharge part of the heat and debris generated by friction, and the symmetrical design ensures the strength of the brake shoe body 1 in use and also ensures the heat dissipation and chip removal effects, the tread of the elevator brake wheel can run under a more appropriate temperature condition for a long time, so that the tread of the elevator brake wheel is more reliable and durable.
When the elevator is braked, the lifting ring rod 21 and the brake shoe fixing frame 2 rotate relatively, and the length of the elastic piece 24 between the adjusting nut 252 and the stop iron 22 is compressed; when the elevator brake is released, the elastic member 24 generates a restoring force which generates a torque M2 opposite to the gravity-generated torque M1 on the lower side of the center of gravity of the brake shoe holder 2, thereby causing the bottom of the brake shoe holder 2 to move closer to the elevator brake wheel and the head to move away from the elevator brake wheel.
When the brake is released, the bottom of the brake shoe fixing frame 2 moves towards the direction close to the elevator brake wheel, and the head of the brake shoe fixing frame 2 moves away from the elevator brake wheel, so that the clearance between each part of the brake shoe fixing frame 2 and the elevator brake wheel tends to be balanced, and the eccentric wear phenomenon of serious brake shoe head hitting caused by the fact that the top of the brake shoe body 1 is attached to the elevator brake wheel under the action of gravity is avoided. And in the state of the elevator (not braking), the compression spring can provide compression force to overcome gravity moment, so that the uniformity of the clearance between each part of the brake shoe fixing frame 2 and the brake wheel of the elevator is always ensured.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the utility model is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination between the embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the idea of the present invention.
Claims (7)
1. A conveniently-detachable brake shoe for elevator braking is characterized by comprising a brake shoe body (1) and a brake shoe fixing frame (2) for mounting the brake shoe body (1); the brake shoe fixing frame is characterized in that a shoe nose (11) which is formed by bending and then protruding outwards is arranged in the radial middle position of the back surface of the brake shoe body (1), the front surface of the brake shoe fixing frame (2) is attached to the back surface of the brake shoe body (1), a first concave structure (211) matched with the shoe nose (11) is arranged on the front surface of the brake shoe fixing frame (2), a threaded hole (111) is formed in the center of the shoe nose (11), a through hole matched with the threaded hole (111) is formed in the first concave structure (211), and the brake shoe body (1) is fixedly connected with the brake shoe fixing frame (2) through a bolt; the front surface of the brake shoe body (1) is provided with a heat dissipation groove (12), the heat dissipation groove (12) comprises a first heat dissipation groove (121) arranged at the center of the front surface of the brake shoe body (1) and second heat dissipation grooves (122) symmetrically arranged at two sides of the first heat dissipation groove (121), and the inner side surface of the first heat dissipation groove (121) extends to be connected with the inner side surface of the shoe nose (11); bulges (13) are symmetrically arranged at two ends of the back surface of the brake shoe body (1), and concave structures II matched with the bulges (13) are symmetrically arranged at two ends of the brake shoe fixing frame (2); the brake shoe fixing frame (2) is rotatably connected with a hanging ring rod (21), a stop iron (22) is arranged at the bottom of the hanging ring rod (21), a guide rod (23) movably penetrates through the stop iron (22), one end, close to the brake shoe fixing frame (2), of the guide rod (23) is connected with the brake shoe fixing frame (2), an elastic piece (24) is sleeved on the guide rod (23), and the elastic piece (24) is located on one side, close to the brake shoe fixing frame (2), of the stop iron (22); the connecting position of the guide rod (23) and the brake shoe fixing frame (2) is positioned below the connecting position of the suspension ring rod (21) and the brake shoe fixing frame (2).
2. The conveniently-disassembled brake shoe for the elevator brake according to claim 1, wherein the elastic member (24) is a compression spring, spring pressing plates (241) are arranged at two ends of the elastic member (24), and the spring pressing plates (241) are slidably sleeved on the guide rod (23); one spring pressing plate (241) is in contact with the stop iron (22), the other spring pressing plate (241) is limited by a positioning assembly (25), and the positioning assembly (25) can move along the axis of the guide rod (23).
3. The conveniently-disassembled brake shoe for the elevator brake according to claim 2, wherein the guide rod (23) is connected with the brake shoe fixing frame (2) through a fixing shaft (26), and two ends of the fixing shaft (26) are respectively connected with the brake shoe fixing frame (2) and the guide rod (23) in a rotating manner; the suspension ring rod (21) is provided with a first pin hole (213) and a second pin hole (214), the first pin hole (213) is used for being connected with the framework, and the second pin hole (214) is used for being in pin connection with the brake shoe fixing frame (2).
4. The conveniently detachable brake shoe for elevator braking according to claim 3, wherein the guide rod (23) comprises a threaded section close to the brake shoe fixing frame (2) and a polished rod section far from the brake shoe fixing frame (2); the positioning assembly (25) comprises a locking nut (251) and an adjusting nut (252) which are matched with the threaded section, and the locking nut (251) is positioned on one side, away from the elastic piece (24), of the adjusting nut (252).
5. The conveniently-disassembled brake shoe for the elevator brake according to claim 4, wherein the stop iron (22) is an angle iron, one side surface of the stop iron (22) is attached to the brake shoe fixing frame (2), and the other side surface is provided with a through hole (221), and the through hole (221) is used for a guide rod (23) to pass through; one end, far away from the brake shoe fixing frame (2), of the guide rod (23) is detachably connected with a limiting piece (231), and the limiting piece (231) cannot penetrate through the through hole (221).
6. The conveniently-disassembled brake shoe for elevator braking as claimed in claim 1, wherein the brake shoe body (1) has a circular arc-shaped cross section; the openings of the first radiating grooves (121) and the 2 second radiating grooves (122) are gradually increased from inside to outside along the radial direction of the brake shoe body (1), and the size and the structure of the 2 second radiating grooves (122) are the same.
7. The conveniently-disassembled brake shoe for the elevator brake as claimed in claim 1, wherein the back of the brake shoe body (1) is provided with 8 groups of plum blossom holes (14), and two sides of the shoe nose (11) are respectively provided with 4 groups of plum blossom holes (14) which are arranged in a rectangular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122169752.9U CN215596252U (en) | 2021-09-08 | 2021-09-08 | Convenient-to-detach brake shoe for elevator braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122169752.9U CN215596252U (en) | 2021-09-08 | 2021-09-08 | Convenient-to-detach brake shoe for elevator braking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215596252U true CN215596252U (en) | 2022-01-21 |
Family
ID=79885093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122169752.9U Active CN215596252U (en) | 2021-09-08 | 2021-09-08 | Convenient-to-detach brake shoe for elevator braking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215596252U (en) |
-
2021
- 2021-09-08 CN CN202122169752.9U patent/CN215596252U/en active Active
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