Convenient device for testing speed sensor of rubber belt conveyor

Abstract

The utility model discloses a convenient test device for a speed sensor of a rubber belt conveyor, which comprises a roller type speed sensor and a suspension device, the speed sensor is rotatably mounted on a frame, the frame is fixed above a moving rubber belt of the rubber belt conveyor through a rubber belt conveyor rack, and the frame comprises two swing arms. The two swing arms are separated, a connecting rod is arranged between the two swing arms, and one ends of the two swing arms are rotatably connected to a supporting cross rod of the suspension device; the other ends of the two swing arms are connected and fixed through a shaft rod; a roller of the speed sensor is sleeved on the shaft rod; a tension spring is arranged between the two swing arms and the suspension device, and when the speed sensor is put down and the roller is lapped on a moving adhesive tape, the roller of the sensor is tightly pressed and contacted with the adhesive tape through the tension spring. The height adjusting device is easy to manufacture, convenient and fast to use and good in effect, the height can be adjusted according to actual use requirements in the on-site use process, the working time of operators in dangerous areas every day is eliminated, and the good effect is achieved for guaranteeing the safety of the operators.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of adhesive tape conveyer, especially relates to a convenient device for testing speed sensor of adhesive tape conveyer. BACKGROUND

[0002] According to the "coal mine safety regulations", the adhesive tape conveyer must be installed six big protections, and the protection must be sensitive and reliable, and the sensor is tested regularly. The speed sensor for monitoring the running speed of the adhesive tape is an important protection, which can effectively prevent the adhesive tape from slipping and stalling. The failure of the speed sensor is a major hidden danger affecting the safety production of coal mines, and can cause mine production suspension and closed mine. The speed sensor is installed on the return belt between the unloading roller and the first driving roller of the adhesive tape conveyer, the height is 3m, the installation position is high and in the center of the adhesive tape, which causes difficulties in daily test work, and brings safety hazards whether climbing or crawling into the adhesive tape.

[0003] The document CN214058992U discloses a kind of speed protection test device of adhesive tape conveyer, and the contact mode of the roller type speed sensor with moving adhesive tape is free fall mode, there is the problem of not real contact, especially when the fluctuation of moving adhesive tape appears, inaccurate problem of speed measurement appears. SUMMARY

[0004] In view of the above problems, the utility model provides a kind of convenient device for testing speed sensor of adhesive tape conveyer, simple to make and operate, reduce the security risk, and prevent staff from working in dangerous area.

[0005] The utility model is realized as follows: a kind of convenient device for testing speed sensor of adhesive tape conveyer, including roller type speed sensor and suspension device, the speed sensor is rotatably installed on a frame, the frame is fixed on the upper of moving adhesive tape of adhesive tape conveyer by adhesive tape conveyer rack, the frame includes two swing arms, and the connecting rod is arranged in the middle of two swing arms apart, one end of two swing arms is rotatably connected on the support cross bar of the suspension device;Two swing arms other end are connected by shaft rod, the roller of the speed sensor is covered on the shaft rod;The suspension device is lifted and lowered by steel wire rope to the speed sensor, when measuring speed, the roller of speed sensor is placed on moving adhesive tape to measure speed, when needing to be inspected, the roller of speed sensor is lifted to detect speed sensor;Spring is arranged between two swing arms and suspension device, when the roller of speed sensor is placed on moving adhesive tape, the roller of sensor is tightly pressed and contacted by spring.

[0006] Further, the suspension device comprises a transverse shaft rod rotatably arranged on the longitudinal beams at the upper ends of the belt conveyor frame through bearing seats, a support cross rod arranged between the vertical columns arranged at the two sides of the belt conveyor frame, spring tension rods arranged at the two swing arms respectively, one end of the spring tension rods connected with the spring tension rods, the other end of the spring tension rods connected with the swing arm shaft rods, the connecting rods arranged at the speed sensors, one end of the connecting rods connected with the steel wire ropes, the other end of the steel wire ropes wound and fixed on the transverse shaft rod, a winch arranged at the lower end of one vertical column through a shaft pin, a rope wound on the winch, the rope wound and connected with the outer end of the transverse shaft rod upwards, the winch wound with the rope driving the transverse shaft rod to rotate, and the rotating transverse shaft rod driving the speed sensor to swing up and down with the swing arm as the center.

[0007] Further, the winch is provided with a hand crank.

[0008] Further, the steel wire rope is wound 10 turns at the middle position of the transverse shaft rod, the rope is wound 10 turns at the outer end of the transverse shaft rod, and the rope is wound 20 turns on the winch.

[0009] The utility model discloses the beneficial effect is: simple production, convenient and fast, good effect, in the field use process can according to actual use needs, adjust height, prevent the working time of daily operation personnel in the dangerous area, and the personnel safety has good effect of guaranteeing. The matched equipment used in the device is simple, effectively improves the reliability and stability of system work, and the material cost and design installation cost are low, meets the enterprise's requirement of saving money and reducing consumption, has good economic benefit.

[0010] The utility model is explained in detail in the following combining with the description and specific embodiment of the drawings. DRAWINGS

[0011] Figure 1 It is the structure side surface schematic view of the utility model,

[0012] Figure 2 It is the structure front surface schematic view of the utility model,

[0013] Figure 3 It is the local structure schematic view of the utility model, Figure 2 C view. Specific embodiment

[0014] A belt conveyor speed sensor test convenient device, like Figures 1 to 3As shown, including the roller speed sensor 1 and suspension device, the speed sensor 1 is rotatably mounted on a frame 2, the frame 2 is fixed above the belt conveyor moving belt 4 by the belt conveyor frame 3, the belt 4 is moved by the drive roller 11, the frame 2 includes two swing arms 201, two swing arms 201 are separated by a connecting rod 202, one end of two swing arms 201 is rotatably connected to the support crossbar 8 of the suspension device; the other end of two swing arms 201 is connected and fixed through the shaft 203, the roller of the speed sensor 1 is sleeved on the shaft 203; the suspension device lifts and lowers the speed sensor 1 by pulling the steel wire rope A, when measuring speed, the speed sensor 1 is lowered to measure the speed of the moving belt 4, when inspection is needed, the roller of the speed sensor 1 is lifted to detect the speed sensor 1; a tension spring 5 is arranged between the two swing arms 201 and the suspension device, when the speed sensor 1 is lowered to put the roller on the moving belt 4, the tension spring 5 makes the roller of the speed sensor 1 tightly press and contact with the belt 4.

[0015] The suspension device includes a transverse shaft 7, which is rotatably arranged on the longitudinal beam 301 on both sides of the upper end of the belt conveyor frame 3 through the bearing seat 6, the support crossbar 8 is arranged between the vertical columns 302 arranged on both sides of the belt conveyor frame 3, the support crossbar 8 is provided with a spring pull rod 9 beside each of the two swing arms 201, one end of the tension spring 5 is connected with the spring pull rod 9, the other end of the tension spring 5 is connected with the shaft 203 of the swing arm 201, the connecting rod 202 is arranged on the side of the speed sensor 1 of the two swing arms 201 of the frame 2, one end of the steel wire rope A is connected with the connecting rod 202, the other end of the steel wire rope A is wound 10 times and fixed at the middle position of the transverse shaft 7; a winch 10 is arranged on the lower end side of one vertical column 302 through a shaft pin, a hand crank 1001 is arranged on the winch 10. A rope B is wound on the winch 10 for 20 turns, the rope B is wound on the outer side end of the transverse shaft 7 from the winch 10 for 10 turns, rotating the winch 10 drives the transverse shaft 7 to rotate by winding the rope B, the rotating transverse shaft 7 winds the steel wire rope A, because one end of the swing arm 201 is rotatably connected with the support crossbar 8, the winding steel wire rope A pulls the other end of the swing arm 201 to swing up and down around the support crossbar 8, so that the speed sensor 1 at the other end of the swing arm 201 swings up and down around the support crossbar 8 with the swing arm 201.

[0016] The above embodiment device, the tester only needs to stand in the rubber belt conveyor frame and shake the winch 10 to lift the speed sensor, the operation is safe and convenient; when the speed sensor works normally, the sensor roller is pulled tightly to the rubber belt by the tension spring 5 and rotates with the rubber belt, which avoids the phenomenon of false alarm due to the jumping of the sensor roller from the rubber belt 4, and improves the stability of the speed detection. When the speed sensor needs to be tested, the sensor roller is lifted by rotating the winch and leaving the rubber belt, at this time the roller stops rotating and triggers an alarm, which can determine that the speed sensor is intact and sensitive and reliable. After the test, the winch is reversed to lower the speed sensor, and the tension spring presses it against the rubber belt, and the rubber belt conveyor returns to the normal working state.

[0017] Finally, it should be noted that the above is only used to illustrate the technical solutions of the present application and is not limiting. Although the present application has been described in detail with reference to the preferred arrangement, those skilled in the art should understand that the technical solutions of the present application (such as the connection method, the shape of each element, etc.) can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. A device for facilitating testing of a speed sensor of a belt conveyor, comprising a roller-type speed sensor (1) and a suspension device, said speed sensor (1) being rotatably mounted on a frame (2), said frame (2) being fixed above a moving belt (4) of a belt conveyor by means of a belt conveyor frame (3), characterized in that The frame (2) comprises two swing arms (201) which are provided with a connecting rod (202) in the middle, one end of the two swing arms (201) is rotatably connected to the support crossbar (8) of the suspension device, the other end of the two swing arms (201) is connected and fixed through a shaft rod (203), the roller of the speed sensor (1) is sleeved on the shaft rod (203), the suspension device pulls the speed sensor (1) up and down through the steel wire rope (A), when measuring the speed, the speed sensor (1) is placed on the moving rubber belt (4) to measure the speed, when inspection is needed, the roller of the speed sensor (1) is lifted to detect the speed sensor (1), a tension spring (5) is arranged between the two swing arms (201) and the suspension device, when the roller of the speed sensor (1) is placed on the moving rubber belt (4), the roller of the speed sensor (1) is tightly pressed and contacted with the rubber belt (4) through the tension spring (5).

2. The belt conveyor speed sensor test facilitation device of claim 1, wherein, The suspension device comprises a transverse shaft rod (7) which is rotatably arranged on the longitudinal beams (301) on the two sides of the upper end of the belt conveyor frame (3) through a bearing seat (6), the support crossbar (8) is arranged between the vertical columns (302) arranged on the two sides of the belt conveyor frame (3), the support crossbar (8) is provided with a spring pull rod (9) beside each of the two swing arms (201), one end of the tension spring (5) is connected with the spring pull rod (9), the other end of the tension spring (5) is connected with the side of the shaft rod (203) of the swing arm (201), the connecting rod (202) is arranged on the side of the speed sensor (1) of the two swing arms (201) of the frame (2), one end of the connecting rod (202) is connected with the steel wire rope (A), the other end of the steel wire rope (A) is wound and fixed on the transverse shaft rod (7), a winch (10) is arranged on the lower end side of one vertical column (302) through a shaft pin, a rope (B) is wound on the winch (10), the rope (B) is upwardly wound and connected with the outer side end of the transverse shaft rod (7), the winch (10) is rotated, the winch (10) winds the rope (B) to drive the transverse shaft rod (7) to rotate, the rotating transverse shaft rod (7) pulls the speed sensor (1) to swing up and down around the support crossbar (8) to which the one end of the swing arm (201) is rotatably connected.

3. The belt conveyor speed sensor test facilitation device of claim 2, wherein, A hand crank (1001) is arranged on the winch (10).

4. The belt conveyor speed sensor test facilitation device of claim 2, wherein, The steel wire rope (A) is wound 10 turns at the middle position of the transverse shaft rod (7), the rope (B) is wound 10 turns at the outer side end of the transverse shaft rod (7), and the rope (B) is wound 20 turns on the winch (10).

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