Head sheave shaft head rotating speed measuring and calculating mechanism

Abstract

The utility model discloses a head sheave shaft head rotating speed measuring and calculating mechanism which comprises a head sheave, a connecting cable is clamped and installed on the inner wall of a cable clamping block, one end of the connecting cable is electrically connected with a Hall switch, a switch clamping block is fixedly connected to the inner wall of one side of the upper end of a fixing frame, and the Hall switch and the switch clamping block are installed in an inserted mode. A connecting hinge is installed on the rear side of one side of the upper end of the fixing frame, and a protective cover plate is installed on the other side of the connecting hinge in an overturning mode. According to the head sheave shaft head rotating speed measuring and calculating mechanism, the rotating speed of the head sheave can be calculated through pulse signals generated by the magnet annularly installed on the head sheave and the Hall switch, the magnet and the head sheave can be rapidly disassembled and assembled through the first locking knob and the clamping block, replacement is convenient, and the Hall switch is conveniently installed through the fixing frame and the protective cover plate in a covering mode; installation is stable, the protection performance is good, the rotating position can be adjusted through the rotating block and the rotating base, the installation adaptability is better, and use is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of headstock speed measurement and calculation of head sheave, and particularly relates to a headstock speed measurement and calculation mechanism of head sheave. BACKGROUND

[0002] The headstock encoder is suitable for newly-built mines. When the head sheave is manufactured, the mechanical manufacturer and the electrical control manufacturer communicate, and then know which encoder needs to be installed in the headstock in the future, so that the corresponding mechanical structure is manufactured in advance to adapt to the mechanical part of the installed encoder.

[0003] Most of the existing head sheaves of the inclined shaft winding type hoist do not reserve the mechanical interface of the encoder, and the site does not have the condition of transforming the interface. In this case, the encoder cannot be installed in the headstock, and the use is inconvenient, so that a headstock speed measurement and calculation mechanism of head sheave is needed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a headstock speed measurement and calculation mechanism of head sheave to solve the problem that most of the existing head sheaves of the inclined shaft winding type hoist do not reserve the mechanical interface of the encoder, and the site does not have the condition of transforming the interface. In this case, the encoder cannot be installed in the headstock, and the use is inconvenient.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a crown shaft head rotating speed measuring mechanism, the crown outer wall is provided with a steel wire rope, the inner wall center position of the crown is inserted and is installed with bearing base, and the both ends of bearing base are installed with support base, the one side edge of the crown is pasted and is distributed with fixed ring, and the fixed ring is fixedly connected with magnet block between fixed ring, the middle position of fixed ring outer wall is equipped with slide rail, and the inner wall of slide rail is slidably inserted and is installed with sliding block, the upper end of sliding block is fixedly connected with clamping block, and the inner wall of clamping block is inserted and is installed with second locking knob on one side and the inner wall of sliding block, the inner wall of clamping block is inserted and is installed with first locking knob on the other side, and the lower end of clamping block one side and the one side edge of the outer wall of the crown are pasted and are distributed, the one side center position of support base is protrudingly fixedly connected with rotary seat, and the one end of rotary seat is rotatably installed with rotary block, the one end of rotary block is protrudingly fixedly connected with locking block on the front and back side edge, and the fourth locking knob is inserted and is installed on locking block, the installation slot is equipped on the inner wall of rotary block upper end, and the third locking knob is inserted and is installed in the front and back side of installation slot, the installation plug is inserted and is installed in the inner wall of installation slot, and the fixed frame is fixedly connected with fixed frame on the upper end of installation plug, the one side of fixed frame is equipped with take-up slot, and the inner wall of take-up slot is fixedly connected with cable clamp block, the connecting cable is clamped and is installed on the inner wall of cable clamp block, and the one end of connecting cable is electrically connected with hall switch, the inner wall of one side of fixed frame upper end is fixedly connected with switch clamp block, the hall switch is inserted and is installed with switch clamp block, the connecting hinge is installed on the one side of fixed frame upper end, and the other side of connecting hinge is installed with protective cover plate, the magnetic force splicing block is embeddedly installed on the upper end edge of protective cover plate.

[0006] Preferably, the fixed frame is L-shaped structure, and the fixed frame is inserted and spliced with the rotary block through the installation plug and the installation slot, and the installation plug is fixedly connected with the rotary block through the third locking knob.

[0007] Preferably, the fixed frame is rotatably connected with the rotary seat through the rotary block, and the rotary block is fixedly connected with the rotary seat through the fourth locking knob and the locking block.

[0008] Preferably, the clamping block is slidably connected with the fixed ring through the sliding block and the slide rail, and the clamping block is fixedly connected with the fixed ring through the second locking knob, and the clamping block is distributed with the fixed ring outer wall in four groups.

[0009] Preferably, the magnet block is fixedly clamped with the crown through the first locking knob and the clamping block, and the magnet block is distributed with the crown in annular position through the fixed ring.

[0010] Preferably, the hall switch is distributed with the magnet block in perpendicular position through the switch clamp block, and the hall switch is coveringly installed with the fixed frame through the protective cover plate, and the connecting cable is clamped and fixedly installed with the take-up slot through the cable clamp block.

[0011] Compared with the prior art, the beneficial effects of the utility model are that: the gear wheel shaft head rotating speed measuring mechanism can calculate the gear wheel rotating speed through the pulse signal generated by the magnet block and the Hall switch installed on the gear wheel, and the magnet block can be quickly disassembled and replaced with the gear wheel through the first locking knob and the clamping block, and the Hall switch is conveniently installed through the fixing frame and the protective cover plate, stable installation, good protection, and the rotating position can be adjusted through the rotating block and the rotating seat, better installation adaptability, and more convenient use. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a front view of the gear wheel shaft head rotating speed measuring mechanism of the utility model;

[0013] Figure 2 It is a schematic diagram of the internal structure of the gear wheel shaft head rotating speed measuring mechanism of the utility model;

[0014] Figure 3 It is a gear wheel shaft head rotating speed measuring mechanism of the utility model Figure 2 It is an enlarged view of A;

[0015] Figure 4 It is an enlarged view of B of the gear wheel shaft head rotating speed measuring mechanism of the utility model; Figure 2

[0016] Figure 5 It is an enlarged view of C of the gear wheel shaft head rotating speed measuring mechanism of the utility model; Figure 2

[0017] Figure 6 It is an enlarged view of D of the gear wheel shaft head rotating speed measuring mechanism of the utility model; Figure 2

[0018] In the drawing: 1, gear wheel, 2, bearing base, 3, support base, 4, fixing frame, 5, steel wire rope, 6, protective cover plate, 7, take-up groove, 8, connecting cable, 9, first locking knob, 10, clamping block, 11, second locking knob, 12, sliding block, 13, magnet block, 14, slide rail, 15, fixing ring, 16, connecting hinge, 17, magnetic force splicing block, 18, Hall switch, 19, switch clamping block, 20, cable clamping block, 21, installation plug-in block, 22, third locking knob, 23, installation slot, 24, rotating block, 25, fourth locking knob, 26, locking block, 27, rotating seat. DETAILED DESCRIPTION

[0019] ​​​With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0020] Please refer to Figures 1-6 The utility model provides a kind of technical solutions: a crown shaft head rotating speed measuring mechanism, including crown 1, bearing base 2, support base 3, fixed frame 4, steel wire rope 5, protective cover plate 6, take-up slot 7, connecting cable 8, first locking knob 9, clamping block 10, second locking knob 11, sliding block 12, magnet block 13, slide rail 14, fixed ring 15, connecting hinge 16, magnetic force splicing block 17, hall switch 18, switch clamping block 19, cable clamp block 20, mounting plug 21, third locking knob 22, mounting slot 23, rotating block 24, fourth locking knob 25, locking block 26 and rotating seat 27, steel wire rope 5 is placed on the outer wall of crown 1, bearing base 2 is inserted and installed in the inner wall center position of crown 1, and support base 3 is installed at both ends of bearing base 2, fixed ring 15 is distributed in the side edge of crown 1, and magnet block 13 is fixedly connected between fixed ring 15, magnet block 13 is locked and clamped and installed with crown 1 by first locking knob 9 and clamping block 10, and magnet block 13 is distributed in annular position on the side of crown 1 by fixed ring 15, so that magnet block 13 is conveniently clamped and quickly disassembled, and conveniently replaced and used.

[0021] Slide rail 14 is formed in the middle position of the outer wall of fixed ring 15, and sliding block 12 is slidingly inserted and installed in the inner wall of slide rail 14, clamping block 10 is fixedly connected to the upper end of sliding block 12, second locking knob 11 is inserted and installed through the inner wall of clamping block 10 and the inner wall of sliding block 12, clamping block 10 is slidingly connected with fixed ring 15 through sliding block 12 and slide rail 14, clamping block 10 is fixedly connected with fixed ring 15 through second locking knob 11, and clamping block 10 is distributed in four groups on the outer wall of fixed ring 15, so that clamping block 10 is conveniently adjusted and adapted.

[0022] The first locking knob 9 is inserted and combined on the other side of the inner wall of the clamping block 10, and the lower end of the clamping block 10 is distributed on one side of the edge of the outer wall of the crown wheel 1, the rotating seat 27 is protrusively and fixedly connected to the center position of one side of the supporting base 3, the rotating block 24 is rotatably installed on one end of the rotating seat 27, the locking block 26 is protrusively and fixedly connected to the front and rear side edges of one end of the rotating block 24, the fourth locking knob 25 is inserted and combined on the locking block 26, the installation slot 23 is formed on the upper end of the inner wall of the rotating block 24, the third locking knob 22 is inserted and combined on the front and rear sides of the installation slot 23, the installation plug 21 is inserted and combined on the inner wall of the installation slot 23, the fixed frame 4 is fixedly connected to the upper end of the installation plug 21, the fixed frame 4 is of L-shaped structure, the fixed frame 4 is inserted and spliced with the rotating block 24 through the installation plug 21 and the installation slot 23, the installation plug 21 is fixedly connected with the rotating block 24 through the third locking knob 22, so that the fixed frame 4 is convenient to independently disassemble and assemble, and the adaptability is good.

[0023] The fixed frame 4 is rotatably connected with the rotating seat 27 through the rotating block 24, and the rotating block 24 is fixedly connected with the rotating seat 27 through the fourth locking knob 25 and the locking block 26, so that the fixed frame 4 is convenient to rotate and adjust, the installation adaptability is good, the fixed frame 4 is provided with the wire collecting groove 7 on one side, and the cable clamping block 20 is fixedly connected to the inner wall of the wire collecting groove 7, the connecting cable 8 is clamped and installed on the inner wall of the cable clamping block 20, one end of the connecting cable 8 is electrically connected with the Hall switch 18, the Hall switch 18 is distributed in a vertical position with the magnet block 13 through the switch clamping block 19, the Hall switch 18 is coveringly installed with the fixed frame 4 through the protective cover plate 6, the connecting cable 8 is clamped and fixedly installed with the wire collecting groove 7 through the cable clamping block 20, so that the Hall switch 18 is convenient to clamp and install, can be coveringly protected, is safe to use, the switch clamping block 19 is fixedly connected to the inner wall of one side of the upper end of the fixed frame 4, the Hall switch 18 is inserted and combined with the switch clamping block 19, the connecting hinge 16 is installed on one side of the upper end of the fixed frame 4, the protective cover plate 6 is reversely installed on the other side of the connecting hinge 16, and the magnetic splicing block 17 is inlaidly installed on the upper end edge of the protective cover plate 6.

[0024] Working principle: when using the one crown shaft head speed measurement mechanism, first, the device is combined and installed, then the Hall switch 18 is connected to the power supply through the connecting cable 8, then the Hall switch 18 is started, and the magnet block 13 sends out a pulse signal, when the crown 1 rotates, the magnet block 13 rotates with it, and the speed detection is carried out, when the magnet block 13 is damaged, it can be locked and clamped by the first locking knob 9 and the clamping block 10, when the position of the fixing frame 4 is inconvenient, it can be rotated and adjusted by the rotating block 24 and the rotating seat 27, and locked and fixed by the fourth locking knob 25 and the locking block 26, and when in use, the Hall switch 18 can be covered and protected by the protective cover plate 6, when maintenance and replacement are needed, the switch clamping block 19 and the cable clamping block 20 can be used for quick clamping and disassembly, which is the use process of the one crown shaft head speed measurement mechanism.

[0025] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A mechanism for measuring the rotational speed of a sheave shaft, comprising a sheave (1), wherein a steel wire rope (5) is placed on the outer wall of the sheave (1), a bearing base (2) is inserted and installed at the center of the inner wall of the sheave (1), and support bases (3) are installed at both ends of the bearing base (2), characterized in that: The side edge of the crown (1) is matched with a fixed ring (15), and the fixed ring (15) is fixedly connected with a magnet block (13). A sliding rail (14) is formed in the middle of the outer wall of the fixed ring (15), and a sliding block (12) is slidingly inserted and combined with the inner wall of the sliding rail (14). The upper end of the sliding block (12) is fixedly connected with a clamping block (10), and the inner wall of the clamping block (10) is penetratingly inserted and combined with the inner wall of the sliding block (12) on one side. A second locking knob (11) is penetratingly inserted and combined with the inner wall of the clamping block (10) on the other side. A first locking knob (9) is penetratingly inserted and combined with the inner wall of the clamping block (10) on the other side. The lower end of the clamping block (10) is matched with the side edge of the outer wall of the crown (1) on one side. A rotating seat (27) is protrudingly fixedly connected with the center of one side of the supporting base (3), and a rotating block (24) is rotatably installed at one end of the rotating seat (27). A locking block (26) is protrudingly fixedly connected with the front and rear side edges of one end of the rotating block (24), and a fourth locking knob (25) is penetratingly inserted and combined with the locking block (26). An installation slot (23) is formed in the inner wall of the rotating block (24) on the upper end, and a third locking knob (22) is penetratingly inserted and combined with the installation slot (23) on the front and rear sides. An installation plug (21) is penetratingly inserted and combined with the inner wall of the installation slot (23), and a fixed frame (4) is fixedly connected with the upper end of the installation plug (21). A wire collecting groove (7) is formed in one side of the fixed frame (4), and a cable clamping block (20) is fixedly connected with the inner wall of the wire collecting groove (7). A connecting cable (8) is clamped and installed in the inner wall of the cable clamping block (20), and a Hall switch (18) is electrically connected with one end of the connecting cable (8). A switch clamping block (19) is fixedly connected with the inner wall of one side of the upper end of the fixed frame (4). The Hall switch (18) is penetratingly inserted and combined with the switch clamping block (19). A connecting hinge (16) is installed on one side of the upper end of the fixed frame (4), and a protective cover plate (6) is fliply installed on the other side of the connecting hinge (16). A magnetic force splicing block (17) is embeddedly installed on the upper end edge of the protective cover plate (6).

2. The headstock rotational speed measuring mechanism according to claim 1, characterized in that: The fixed frame (4) is an L-shaped structure, and the fixed frame (4) is penetratingly inserted and combined with the rotating block (24) through the installation plug (21) and the installation slot (23). The installation plug (21) is fixedly connected with the rotating block (24) through the third locking knob (22).

3. The mechanism for measuring the rotational speed of the shaft head of a crown according to claim 2, characterized in that: The fixed frame (4) is rotatably connected with the rotating seat (27) through the rotating block (24), and the rotating block (24) is fixedly connected with the rotating seat (27) through the fourth locking knob (25) and the locking block (26).

4. The headstock rotational speed measuring mechanism according to claim 3, characterized in that: The clamping block (10) is slidingly connected with the fixed ring (15) through the sliding block (12) and the sliding rail (14), and the clamping block (10) is fixedly connected with the fixed ring (15) through the second locking knob (11). The clamping block (10) is distributed on the outer wall of the fixed ring (15) in four groups.

5. The mechanism for measuring the rotational speed of the shaft head of a crown according to claim 4, characterized in that: The magnet block (13) is clampingly installed with the crown (1) through the first locking knob (9) and the clamping block (10), and the magnet block (13) is annularly distributed on one side of the crown (1) through the fixed ring (15).

6. The kind of a head of a sheave shaft speed measuring mechanism according to claim 5, characterized in that: The Hall switch (18) is distributed in perpendicular position with the magnet block (13) through the switch clamp block (19), and the Hall switch (18) is installed in covering combination with the fixed frame (4) through the protection cover plate (6), and the connecting cable (8) is installed in clamping fixation with the take-up slot (7) through the cable clamp block (20).

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