Tractor permanent magnet limiting device

Abstract

The utility model belongs to the technical field of traction machine permanent magnet limiting, and particularly relates to a traction machine permanent magnet limiting device which comprises permanent magnets, a limiting block is arranged between every two permanent magnets, a limiting assembly is arranged on the upper portion of the interior of each limiting block, and the limiting assemblies and the permanent magnets are installed. A vertically-through threaded hole is formed in the center of the interior of the limiting block, a limiting bolt is in threaded connection with the interior of the threaded hole, connecting assemblies are arranged on the left side and the right side of the lower portion of the interior of the limiting block, and the connecting assemblies and the permanent magnet are installed; through cooperation of the limiting block, the limiting bolt and the limiting assembly, the permanent magnet and the magnetic rail are stably installed, the permanent magnet is firmly fixed to the magnet yoke and is not prone to falling off, and therefore the device facilitates installation of the permanent magnet, operation is convenient, and the structure is simple.

Description

Technical Field

[0001] The utility model relates to the technical field of permanent magnet limiting of a traction machine, in particular to a permanent magnet limiting device of a traction machine. Background Art

[0002] The traction machine is the power mechanism of the elevator, and its safety and stability are related to the safe and smooth operation of the elevator. There are usually two ways to fix the permanent magnets. One is to apply adhesive to the outer arc surface of the magnetic steel or the inner surface of the rotor yoke, and then fix them in sequence, and then fill the two adjacent permanent magnets with a two-component material containing epoxy resin to fix them; the other is to process a countersunk hole on the arc surface of the permanent magnet, and a corresponding threaded hole on the arc surface of the yoke, and then use screws to connect and fix them.

[0003] However, when the existing traction machine permanent magnet limiting device is used, there is a potential risk that the permanent magnet will fall off after aging when the adhesive or epoxy resin is used, and the operating efficiency is low. At the same time, the permanent magnet is prone to cracking during the process of fixing the permanent magnet surface with bolts. Therefore, a traction machine permanent magnet limiting device is proposed to address the above problems. Utility Model Content

[0004] In order to make up for the deficiencies of the prior art and solve the problems raised in the above-mentioned background technology, the utility model proposes a permanent magnet limiting device for a traction machine.

[0005] The technical solution adopted by the utility model to solve the technical problem is: the utility model discloses a permanent magnet limit device for a traction machine, comprising a permanent magnet;

[0006] A limit block is arranged between every two permanent magnets, a limit assembly is arranged above the limit block, and the limit assembly is installed with the permanent magnet, a threaded hole is opened at the center of the limit block, and a limit bolt is connected by thread inside the threaded hole;

[0007] Connecting components are arranged on both the left and right sides of the lower interior of the limiting block, and the connecting components are installed with the permanent magnet.

[0008] Preferably, the lower part of the left and right sides of the permanent magnet are both set as inclined surface one, the upper part of the left and right sides of the permanent magnet are both set as fitting surface one, the lower part of the left and right sides of the limit block are both set as inclined surface two, and the upper part of the left and right sides of the limit block are both set as fitting surface two.

[0009] Preferably, the first inclined surface is fitted and matched with the second inclined surface, and the first fitting surface is fitted and matched with the second fitting surface.

[0010] Preferably, the limit assembly includes a groove that is opened above the center of the front and rear surfaces of the limit block and penetrates left and right, a slide groove is opened at the center of one side of the groove close to the inner center of the limit block, a slider is slidably connected inside the slide groove, a spring is fixedly connected between the side of the slider close to the inner center of the limit block and the side of the slide groove close to the inner center of the limit block, a connecting rod is fixedly connected to the center of the side of the slider away from the inner center of the limit block, one end of the connecting rod away from the inner center of the limit block is fixedly connected to a limit plate, and the side of the limit plate close to the inner center of the limit block fits with the outer surface of the permanent magnet.

[0011] Preferably, the limiting plate is adapted to the groove.

[0012] Preferably, the connecting component includes an inner groove opened below the left and right sides of the limit block, a sliding plate is slidably connected inside the inner groove, a spring 2 is fixedly connected between the sliding plate and the lower surface of the inner groove, a clamping block is fixedly connected at the center of the top of the sliding plate, a clamping groove is opened at the center of the inclined surface 1 of the permanent magnet, and the clamping block is clamped inside the clamping groove.

[0013] Preferably, the outer surface of the card block and the inner side wall of the card slot are both arranged in an arc shape.

[0014] The utility model is beneficial in that:

[0015] 1. The utility model ensures that the permanent magnet and the magnetic rail are firmly installed through the cooperation of the limit block, the limit bolt and the limit assembly, and that the permanent magnet is firmly fixed on the magnetic yoke and is not easy to fall off, so that the device is convenient for the installation of the permanent magnet, easy to operate, and simple in structure.

[0016] 2. The utility model facilitates the connection between the permanent magnet and the limit block through the connecting assembly, and makes the device easy to use and highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure in the first embodiment;

[0019] Figure 2 It is a partial right section structure schematic diagram in Embodiment 1;

[0020] Figure 3 For Example 1 Figure 2 The enlarged structural diagram at A in the middle;

[0021] Figure 4 It is a schematic diagram of a partial front cross-section structure in the first embodiment;

[0022] Figure 5 For Example 2 Figure 4 Enlarged structural diagram at B in the middle.

[0023] In the figure: 1, permanent magnet; 101, inclined plane 1; 102, fitting surface 1; 2, limit block; 201, inclined plane 2; 202, fitting surface 2; 3, limit assembly; 301, limit plate; 302, groove; 303, connecting rod; 304, slider; 305, spring 1; 306, slide groove; 4, limit bolt; 5, threaded hole; 6, connecting assembly; 601, slot; 602, block; 603, inner groove; 604, spring 2; 605, sliding plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1

[0026] See also Figure 1-4 As shown, a permanent magnet limiting device for a traction machine includes a permanent magnet 1;

[0027] A limit block 2 is arranged between every two permanent magnets 1, a limit assembly 3 is arranged above the limit block 2, and the limit assembly 3 is installed with the permanent magnet 1, a threaded hole 5 penetrating from top to bottom is opened at the center of the limit block 2, and a limit bolt 4 is threadedly connected inside the threaded hole 5;

[0028] Connecting components 6 are provided on both the left and right sides of the lower part of the limit block 2, and the connecting components 6 are installed with the permanent magnet 1; when working, the two permanent magnets 1 are connected through the limit block 2 and the connecting components 6, and after the connection, the two permanent magnets 1 are limited in movement in the front-to-back direction after the connection through the limit component 3, and then the limit bolt 4 can penetrate the magnetic rail and the threaded hole 5 inside the limit block 2 for threaded connection, so that the permanent magnet 1 and the magnetic rail are fixedly installed, and the permanent magnet 1 is fixedly installed and fixedly installed, so that the cooperation between the limit block 2, the limit bolt 4 and the limit component 3 makes the permanent magnet 1 and the magnetic rail firmly installed, and the permanent magnet 1 is firmly fixed on the yoke and is not easy to fall off, so that the device is convenient for the installation of the permanent magnet 1, and the operation is convenient and the structure is simple. At the same time, the connecting component 6 facilitates the connection between the permanent magnet 1 and the limit block 2, and the device is easy to use and has strong practicality.

[0029] The lower parts of the left and right sides of the permanent magnet 1 are both arranged as inclined plane 101, the upper parts of the left and right sides of the permanent magnet 1 are both arranged as fitting surface 102, the lower parts of the left and right sides of the limit block 2 are both arranged as inclined plane 201, and the upper parts of the left and right sides of the limit block 2 are both arranged as fitting surface 202; during operation, inclined plane 101 can fit with inclined plane 201, and fitting surface 1 102 can fit with fitting surface 202.

[0030] The first inclined surface 101 is fitted and matched with the second inclined surface 201 , and the first fitting surface 102 is fitted and matched with the second fitting surface 202 ; during operation, the permanent magnet 1 and the limiting block 2 are conveniently fitted and connected.

[0031] The limiting assembly 3 includes a groove 302 which is opened above the center of the front and rear surfaces of the limiting block 2 and passes through from left to right. A sliding groove 306 is opened at the center of one side of the groove 302 close to the center of the limiting block 2. A slider 304 is slidably connected inside the sliding groove 306. A spring 305 is fixedly connected between the side of the slider 304 close to the center of the limiting block 2 and the side of the sliding groove 306 close to the center of the limiting block 2. A connecting rod 303 is fixedly connected at the center of the side of the slider 304 away from the center of the limiting block 2. The connecting rod 303 is away from the center of the limiting block 2. One end at the center of the part is fixedly connected to the limiting plate 301, and the side of the limiting plate 301 close to the inner center of the limiting block 2 is in contact with the outer surface of the permanent magnet 1; when working, the limiting plate 301 is pulled so that the limiting plate 301 drives the connecting rod 303 and the slider 304 to slide inside the slide groove 306, and after the slider 304 slides, the spring 1 305 is stretched so that the spring 1 305 has a rebound force, and then the rebound force of the spring 1 305 can make the limiting plate 301 squeeze and clamp the outer surface of the permanent magnet 1, and the movement of the two connected permanent magnets 1 in the front and rear directions can be limited, so as to facilitate fixed installation with the magnetic rail.

[0032] The limiting plate 301 is matched with the groove 302; during operation, the limiting plate 301 can be inserted into the groove 302 for storage when not in use.

[0033] The connecting component 6 includes an inner groove 603 provided below the left and right sides of the limit block 2, a sliding plate 605 is slidably connected inside the inner groove 603, a spring 2 604 is fixedly connected between the sliding plate 605 and the lower surface of the inner groove 603, a clamping block 602 is fixedly connected at the center of the top of the sliding plate 605, a clamping groove 601 is provided at the center of the inclined surface 101 of the permanent magnet 1, and the clamping block 602 is clamped inside the clamping groove 601; when working, the sliding plate 605 is driven by the movement of the clamping block 602 to squeeze the spring 2 604 inside the inner groove 603, and the spring 2 604 has a rebound force after being squeezed, so that the clamping block 602 moves and is clamped inside the clamping groove 601, thereby facilitating the connection between the two permanent magnets 1.

[0034] Embodiment 2

[0035] See also Figure 5 As shown, compared with Example 1, as another implementation of the present utility model, the outer surface of the block 602 and the inner wall of the slot 601 are both arranged in an arc shape; during operation, the block 602 is convenient for engagement and disengagement with the slot 601.

[0036] 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 utility model. 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.

[0037] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A permanent magnet limiting device for a traction machine, comprising a permanent magnet (1); Features: A limit block (2) is arranged between every two permanent magnets (1); a limit assembly (3) is arranged above the limit block (2), and the limit assembly (3) is installed with the permanent magnet (1); a threaded hole (5) penetrating upward and downward is opened at the center of the limit block (2); a limit bolt (4) is connected to the threaded hole (5) through a thread. Connecting components (6) are provided on both the left and right sides of the lower interior of the limiting block (2), and the connecting components (6) are installed with the permanent magnet (1).

2. A traction machine permanent magnet limiting device according to claim 1, characterized in that: The lower parts of the left and right sides of the permanent magnet (1) are both arranged as inclined surfaces one (101), the upper parts of the left and right sides of the permanent magnet (1) are both arranged as fitting surfaces one (102), the lower parts of the left and right sides of the limit block (2) are both arranged as inclined surfaces two (201), and the upper parts of the left and right sides of the limit block (2) are both arranged as fitting surfaces two (202).

3. A traction machine permanent magnet limiting device according to claim 2, characterized in that: The inclined surface 1 (101) is fitted and matched with the inclined surface 2 (201), and the fitting surface 1 (102) is fitted and matched with the fitting surface 2 (202).

4. A traction machine permanent magnet limiting device according to claim 3, characterized in that: The limiting assembly (3) comprises a groove (302) which is arranged above the center of the front and rear surfaces of the limiting block (2) and penetrates from left to right. A sliding groove (306) is arranged at the center of a side close to the center of the limiting block (2) inside the groove (302). A slider (304) is slidably connected inside the sliding groove (306). A spring (305) is fixedly connected between the side of the slider (304) close to the center of the limiting block (2) and the side of the sliding groove (306) close to the center of the limiting block (2). A connecting rod (303) is fixedly connected at the center of the side of the slider (304) away from the center of the limiting block (2). One end of the connecting rod (303) away from the center of the limiting block (2) is fixedly connected to a limiting plate (301), and the side of the limiting plate (301) close to the center of the limiting block (2) fits the outer surface of the permanent magnet (1).

5. A traction machine permanent magnet limiting device according to claim 4, characterized in that: The limiting plate (301) is adapted to the groove (302).

6. A traction machine permanent magnet limiting device according to claim 5, characterized in that: The connecting component (6) comprises an inner groove (603) provided below the left and right sides of the limit block (2); a sliding plate (605) is slidably connected inside the inner groove (603); a second spring (604) is fixedly connected between the sliding plate (605) and the lower surface inside the inner groove (603); a clamping block (602) is fixedly connected at the center of the top of the sliding plate (605); a clamping groove (601) is provided at the center of the inclined surface 1 (101) of the permanent magnet (1), and the clamping block (602) is clamped inside the clamping groove (601).

7. A traction machine permanent magnet limiting device according to claim 6, characterized in that: The outer surface of the clamping block (602) and the inner wall of the clamping slot (601) are both arranged in an arc shape.

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