Moving type head sheave bearing measuring and calculating mechanism

Abstract

The utility model discloses a moving type head sheave bearing measuring and calculating mechanism which comprises a mine inclined shaft, a winch is arranged at one end of the mine inclined shaft, a guide assembly is arranged at the other end of the mine inclined shaft, a roller assembly is arranged at one end of the guide assembly, and a PLC control box is arranged in the mine inclined shaft. The guide assembly comprises a first mounting seat fixed in the mine inclined shaft, the inner side of the first mounting seat is rotationally connected with a head sheave body, the inner wall of the first mounting seat is fixedly connected with a first mounting frame, a laser speed measurement sensor is mounted on the first mounting frame, and the laser speed measurement sensor and the head sheave body form a vertical structure; the roller assembly comprises a second mounting seat fixed in the mine inclined shaft, the inner side of the second mounting seat is rotationally connected with a roller body, and the roller body is connected with the second mounting seat through a bearing. The device can detect and compare the rotating speed of the roller body and the rotating speed of the head sheave body, and immediately gives an alarm when the detected rotating speed exceeds an allowable speed out-of-tolerance value, so that the hoisting safety of the winch is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mine winch guide wheel detection technical field, concretely is a kind of movable type crown wheel bearing measuring mechanism. BACKGROUND

[0002] Mine winch crown wheel is the important component indispensable in mine operation, it bears the important task such as guiding the trend of steel wire rope, reducing wear and tear, improving work efficiency, in the process of mine inclined shaft hoisting, the main role of mine winch crown wheel is guiding the trend of steel wire rope, ensure that steel wire rope can be neatly arranged on winch drum, avoid the phenomenon such as disorderly rope, rope, simultaneously, crown wheel can effectively reduce the friction between steel wire rope and drum, prolong the service life of steel wire rope.

[0003] Due to the complex environment of mine hoisting, there will be crown wheel body wear, bearing enters sundries or dust appears not flexible, even lead to crown wheel card wheel phenomenon, thereby leading to hoisting steel wire rope running rope, clamping rope, hoisting string car off track, equipment rolls down shaft bottom, cause safety accident, there is major safety hazard, therefore, the rotational speed detection of crown wheel is particularly important, needs improvement. CONTENT OF UTILITY MODEL

[0004] The utility model aims at providing a kind of movable type crown wheel bearing measuring mechanism to solve the problem of crown wheel rotational speed cannot be detected to reduce the safety of mine hoisting as described in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of movable type crown wheel bearing measuring mechanism, including mine inclined shaft, mine inclined shaft one end is provided with winch, the other end of mine inclined shaft is provided with guide assembly, guide assembly one end is provided with roller assembly, PLC control box is provided in mine inclined shaft;

[0006] Guide assembly includes the first mounting seat fixed in mine inclined shaft, the first mounting seat inner side is rotatably connected with crown wheel body, the first mounting seat inner wall is fixedly connected with the first mounting bracket, and the first mounting bracket is installed with laser speed sensor, and laser speed sensor and crown wheel body constitute perpendicular structure;

[0007] Roller assembly includes the second installation seat fixed in mine inclined shaft, the second installation seat inner side is rotatably connected with roller body, and the roller body is connected with the second installation seat by bearing, the bearing one side is provided with the second mounting bracket, and the second mounting bracket is installed with encoder, and encoder and laser speed sensor are electrically connected with PLC control box.

[0008] Preferably, the first mounting seat inner side is connected with the shaft, the shaft is rotatably connected with the first mounting seat by bearing, and the shaft outer wall is connected with the crown wheel body.

[0009] Preferably, one end of the first mounting seat is provided with a speed reducer, one end of the speed reducer is provided with a main motor, and the shaft of the main motor is connected with the shaft of the speed reducer and the drum body through a shaft coupling.

[0010] Preferably, the outer wall of the drum body is wound with a steel wire rope, one end of the steel wire rope passes through the head sheave body, the guide and is connected with the winch.

[0011] Preferably, a plurality of guides are arranged in the mine inclined shaft, and the guides are located between the winch and the guide assembly.

[0012] Preferably, the PLC control box is internally provided with a PLC controller, and the PLC controller is electrically connected with the encoder and the laser speed sensor.

[0013] Preferably, the laser speed sensor is composed of a signal emitter and a signal receiver, and the signal emitter and the signal receiver are located at the front and rear ends of the head sheave body respectively.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] (1) The device can detect and compare the rotating speeds of the drum body and the head sheave body, and alarm immediately when the detected speed exceeds the allowable speed tolerance value, thereby improving the safety of the winch lifting.

[0016] (2) The device is provided with an encoder and a laser speed sensor at one end of the drum body and the head sheave body respectively, and the encoder and the laser speed sensor are connected with the PLC controller in the PLC control box, so that the rotating speeds of the drum body and the head sheave body can be detected and compared, and alarm is given immediately when the detected speed exceeds the allowable speed tolerance value, thereby improving the safety of the winch lifting.

[0017] (3) The device is provided with a main motor and a speed reducer at one end of the drum body, so that the drum body can be automatically controlled and work with the PLC control box. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the utility model of a movable type head sheave bearing measuring mechanism;

[0019] Figure 2 It is a front view of a drum assembly of the utility model of a movable type head sheave bearing measuring mechanism;

[0020] Figure 3 It is a front view of a guide assembly of the utility model of a movable type head sheave bearing measuring mechanism;

[0021] Figure 4 It is a side view of the guide assembly of the utility model of a movable type head sheave bearing measuring mechanism;

[0022] Figure 5 PLC control box side view of the utility model of a kind of movable head sheave bearing measuring mechanism;

[0023] Figure 6 The utility model is a kind of movement principle schematic diagram of the utility model of a kind of movable head sheave bearing measuring mechanism;

[0024] Figure 7 The utility model is the operation flow chart of the utility model of a kind of movable head sheave bearing measuring mechanism.

[0025] In the drawing: 1, winch;2, steel wire rope;3, guider;4, guide assembly;41, head sheave body;42, first mounting bracket;43, laser speed sensor;44, rotating shaft;45, first mounting seat;5, roller assembly;51, main motor;52, speed reducer;53, roller body;54, second mounting seat;55, second mounting bracket;56, encoder;6, PLC control box;7, mine inclined shaft. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Please refer to Figures 1-7The utility model provides a technical scheme: a kind of movable head sheave bearing measuring mechanism, including mine inclined shaft 7, winch 1 is provided at one end of mine inclined shaft 7, and guiding assembly 4 is provided at the other end of mine inclined shaft 7, and guiding assembly 4 one end is provided with drum assembly 5, and PLC control box 6 is provided in mine inclined shaft 7, and PLC controller is provided inside PLC control box 6, and screen is provided on the door body of PLC control box 6, and PLC controller and encoder 56 and laser speed sensor 43 are electrically connected, and this structure can be converted by PLC control box 6 with the model transmission of laser speed sensor 43 and data is shown on the screen of PLC control box 6, and laser speed sensor 43 is composed of signal emitter and signal receiver, and signal emitter and signal receiver are respectively located at the front and rear ends of head sheave body 41, and this structure can automatically detect the rotating speed of head sheave body 41 by laser speed sensor 43, and part head sheave body 41 exists left and right in the use process, and for this head sheave body 41, the precision of the detection of head sheave body 41 can be improved by using the laser transmission of laser speed sensor 43, and general head sheave body 41 can use mine commonly used rotating speed encoder, and different selection is carried out according to different situations, and guiding assembly 4 includes the first mounting seat 45 fixed in mine inclined shaft 7, and the inner side of first mounting seat 45 is connected with rotating shaft 44, and rotating shaft 44 is rotatably connected with first mounting seat 45 by bearing, and the outer wall of rotating shaft 44 is connected with head sheave body 41, and this structure can drive head sheave body 41 to automatically rotate by the rotation of rotating shaft 44, and one end of first mounting seat 45 is provided with speed reducer 52, and one end of speed reducer 52 is provided with main motor 51, and the shaft of main motor 51 is connected with the shaft of speed reducer 52 and drum body 53 by coupling, and this structure can control the automatic rotation and stop of drum body 53 by main motor 51 and speed reducer 52, and main motor 51 and the PLC controller of PLC control box 6 are electrically connected, and when the rotating speed difference of encoder 56 and laser speed sensor 43 received by PLC control box 6 exceeds preset value, then main motor 51 and speed reducer 52 stop running, and the outer wall of drum body 53 is wound with steel wire rope 2, and one end of steel wire rope 2 is connected with winch 1 through head sheave body 41 and guide 3, and this structure can drive steel wire rope 2 to wind or release by the rotation of drum body 53, and winch 1 can be pulled to lift by steel wire rope 2, and the inner side of first mounting seat 45 is rotatably connected with head sheave body 41, and first mounting seat 45 inner wall is fixedly connected with first mounting bracket 42, and laser speed sensor 43 is installed on first mounting bracket 42, and laser speed sensor 43 and head sheave body 41 form perpendicular structure, and drum assembly 5 includes the second installation seat 54 fixed in mine inclined shaft 7, and a plurality of guides 3 are provided in mine inclined shaft 7, and guide 3 is composed of runner and support, and guide 3 is located between winch 1 and guiding assembly 4, and this structure can be used for the support guide of steel wire rope 2 by guide 3, and the inner side of second installation seat 54 is rotatably connected with drum body 53,The drum body 53 is connected with the second mounting seat 54 through a bearing, one side of the bearing is provided with a second mounting frame 55, an encoder 56 is installed on the second mounting frame 55, and the encoder 56 and the laser speed sensor 43 are electrically connected with the PLC control box 6.

[0028] Working principle: when the movable head sheave bearing measurement mechanism is used, firstly, the winch 1 is mainly controlled to rotate in the moving process through the drum body 53, the steel wire rope 2 on the outer wall of the drum body 53 is wound or released when the drum body 53 rotates, and the steel wire rope 2 drives the head sheave body 41 and the guide 3 to rotate when the steel wire rope 2 moves, the laser speed sensor 43 and the encoder 56 detect the rotating speeds of the head sheave body 41 and the drum body 53 respectively in the rotating process, and the detected data is displayed after comparison by the PLC control box 6, if the compared data exceeds the set value, the PLC control box 6 immediately alarms, and the main motor 51 and the speed reducer 52 stop running.

[0029] 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 and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A movable head sheave bearing measuring mechanism, comprising a mine shaft (7), the mine shaft (7) is provided with a winch (1) at one end, characterized in that: The other end of the mine inclined shaft (7) is provided with a guide assembly (4), one end of the guide assembly (4) is provided with a roller assembly (5), and the mine inclined shaft (7) is provided with a PLC control box (6); The guide assembly (4) comprises a first mounting seat (45) fixed in the mine inclined shaft (7), a crown wheel body (41) rotatably connected to the inner side of the first mounting seat (45), a first mounting frame (42) fixedly connected to the inner wall of the first mounting seat (45), and a laser speed sensor (43) mounted on the first mounting frame (42), wherein the laser speed sensor (43) and the crown wheel body (41) form a vertical structure. The roller assembly (5) comprises a second mounting seat (54) fixed in the mine inclined shaft (7), a roller body (53) rotatably connected to the inner side of the second mounting seat (54), and a second mounting frame (55) provided on one side of the bearing, wherein the roller body (53) is connected with the second mounting seat (54) through the bearing, the second mounting frame (55) is provided on one side of the bearing, and the encoder (56) is mounted on the second mounting frame (55).

2. The moving head sheave bearing measurement mechanism according to claim 1, wherein: The first mounting seat (45) is connected with a rotating shaft (44), the rotating shaft (44) is rotatably connected with the first mounting seat (45) through a bearing, and the rotating shaft (44) is connected with the crown wheel body (41).

3. The moving head sheave bearing measurement mechanism of claim 1, wherein: One end of the first mounting seat (45) is provided with a speed reducer (52), one end of the speed reducer (52) is provided with a main motor (51), and the shaft of the main motor (51) is connected with the shaft of the speed reducer (52) and the roller body (53) through a shaft coupling.

4. The moving head sheave bearing measurement mechanism of claim 1, wherein: The outer wall of the roller body (53) is wound with a steel wire rope (2), one end of the steel wire rope (2) is connected with the winch (1) through the crown wheel body (41) and the guide (3).

5. The moving head sheave bearing measurement mechanism of claim 1, wherein: A plurality of guides (3) are arranged in the mine inclined shaft (7), and the guide (3) is located between the winch (1) and the guide assembly (4).

6. The moving head sheave bearing measurement mechanism of claim 1, wherein: The PLC control box (6) is internally provided with a PLC controller, and the PLC controller is electrically connected with the encoder (56) and the laser speed sensor (43).

7. The moving head sheave bearing measurement mechanism of claim 1, wherein: The laser speed sensor (43) is composed of a signal emitter and a signal receiver, and the signal emitter and the signal receiver are respectively located at the front and rear ends of the crown wheel body (41).

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