Emergency stop mechanism of belt conveyor

Abstract

The utility model relates to the technical field of belt conveyor sudden stop, in particular to a belt conveyor sudden stop mechanism which comprises a movable trolley, the movable trolley is arranged on a track in a sliding mode and connected with two steel wire ropes, each steel wire rope is connected with a counter weight through a pulley block, the counter weights are arranged on a tower, and a first sudden stop assembly is arranged on the track. The first emergency stop assembly comprises a fixed seat fixedly arranged on the track; limiting switches I are mounted on the outer side surfaces of the fixing seats; the limiting switch I is matched with a side panel of the movable trolley; the first limiting switch is electrically connected with a belt conveyor emergency stop switch. Compared with the prior art, when the belt is blocked and drives the movable trolley to move greatly, the side panel of the movable trolley toggles the first limiting switch and the belt conveyor emergency stop switch to stop the belt conveyor suddenly, belt breakage is avoided, and the conveying efficiency is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a belt conveyor emergency stop technical field especially relates to a belt conveyor emergency stop mechanism. BACKGROUND

[0002] The belt conveyor heavy hammer car type tensioning device is through utilizing the gravity of heavy hammer, combination mobile platform car and a series of pulley, realize the tensioning adjustment to the belt conveyor, the design of this device aims at the elongation phenomenon of belt because of running wear, temperature change or load change, through automatic adjustment tensioning force, keep the stable operation of belt.

[0003] The heavy hammer car type tensioning device runs along the track in the process of belt starting and running, if the belt of bearing surface is stuck between the roller support of belt conveyor or at the tail car of belt conveyor, the mobile platform car still continuously moves forward until the safety baffle of track end, in this process, it can cause the force of belt bearing surface to be too large, thereby pulling off the belt, cause shutdown maintenance, influence transmission efficiency.

[0004] Among them, the fracture reason of belt also includes the excessive tension of heavy load starting moment, poor quality of belt joint etc., when the belt breaks, the motor needs to be stopped immediately to prevent the belt from stacking and winding into the drum of belt conveyor, causing the expansion of fault, at present, it mostly relies on the inspection of inspection personnel, and there is hysteresis. UTILITY MODEL CONTENTS

[0005] In view of the problem that the current belt cannot be stopped in time when it is stuck, the utility model provides a belt conveyor emergency stop mechanism.

[0006] In order to solve the above problems, the utility model adopts the technical scheme that,

[0007] A belt conveyor emergency stop mechanism, the mobile platform car is slidably arranged on the track, the mobile platform car is connected with two steel wires, each steel wire is connected with a heavy hammer through a pulley block, the heavy hammer is arranged on the tower, and the track is provided with a first emergency stop assembly; The first emergency stop assembly comprises a fixed seat fixedly arranged on the track; The outer side surface of the fixed seat is provided with a limit switch one; The limit switch one is arranged in cooperation with the side panel of the mobile platform car; The limit switch one is electrically connected with the belt conveyor emergency stop switch. When the belt is stuck, the belt drives the mobile platform car to move greatly, the side panel of the mobile platform car actuates the limit switch one, and the belt conveyor emergency stop switch acts on the belt conveyor to stop, so as to avoid the fracture of the belt and ensure the transmission efficiency.

[0008] Preferably, the fixed seat and the wheels of the mobile platform car are provided with a blocking block; The blocking block is fixedly arranged on the track; When the wheels of the mobile platform car abut against the blocking block, the side panel can actuate the limit switch one. The mobile platform car with large impact force is prevented from breaking the fixed seat, so as to ensure the normal work of the limit switch one.

[0009] Preferably, the lower part of the tower is provided with a second emergency stop assembly; the second emergency stop assembly comprises a limit switch two; a transmission rod of the limit switch two is connected with a connecting rope; a fixed unit is connected to an end of the connecting rope away from the transmission rod; the connecting rope is arranged at the middle below the weight; and the limit switch two is electrically connected with the belt conveyor emergency stop switch. When the belt breaks, the weight falls to press the connecting rope to the ground, the connecting rope pulls the limit switch two, the belt conveyor emergency stop switch acts to stop the belt conveyor, the belt stack is prevented from being wound into the roller, the fault is prevented from being enlarged, and the maintenance time is shortened. The connecting rope arranged at the middle below the weight ensures that the weight falls to press the connecting rope, and ensures the action of the limit switch two.

[0010] Preferably, the tower is square in cross section; the bottom corners of the tower are provided with mounting seats; a mounting rod one is fixedly arranged between the two mounting seats on the bottom surface of the right side of the tower, and a mounting rod two is fixedly arranged between the two mounting seats on the bottom surface of the left side of the tower; the limit switch two is arranged at the middle of the top surface of the mounting rod one; and the fixed unit is fixedly arranged at the middle of the mounting rod two. The arrangement of the mounting rod one and the mounting rod two can ensure that the connecting rope is arranged above the ground, and facilitates the limit switch two to be pulled by the connecting rope when the weight falls.

[0011] Preferably, the fixed unit comprises a round rod and a round ring; the round rod is fixedly arranged at the middle of the top surface of the mounting rod two; and the round ring is connected to the end of the connecting rope and can be hung on the round rod. The arrangement facilitates the reuse of the connecting rope.

[0012] Preferably, the pulley block comprises a horizontal corner pulley, a vertical corner pulley, a fixed pulley and a movable pulley; the horizontal corner pulley is arranged between the track and the tower; the vertical corner pulley is arranged at the lower part of the tower; the fixed pulley is fixedly arranged at the top surface of the rear side of the tower; and the movable pulley is fixedly arranged at the top surface of the weight. The horizontal corner pulley is arranged to facilitate the arrangement of the tower, reduce the total length of the track and the tower, and reduce the impact of the falling weight on the moving trolley.

[0013] The above technical scheme can be seen to have the following advantages:

[0014] With the arrangement of the first emergency stop assembly, when the belt is stuck, the belt drives the moving trolley to move greatly, the side panel of the moving trolley drives the limit switch one, the belt conveyor emergency stop switch acts to stop the belt conveyor, the belt is prevented from breaking, and the transmission efficiency is ensured. With the arrangement of the second emergency stop assembly, when the belt breaks, the weight falls to press the connecting rope to the ground, the connecting rope pulls the limit switch two, the belt conveyor emergency stop switch acts to stop the belt conveyor, the belt stack is prevented from being wound into the roller, the fault is prevented from being enlarged, and the maintenance time is shortened. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to make the technical scheme of the utility model more clear, the following will briefly introduce the drawings needed to be used in the description, obviously, the drawings in the following description are only some embodiments of the utility model, and all other embodiments obtained by the ordinary skilled in the art without creative labor based on the embodiments in the patent are within the protection scope of the patent.

[0016] Figure 1 It is the front view schematic drawing of the utility model.

[0017] Figure 2 It is the front view schematic drawing of the utility model. Figure 1 It is the enlarged schematic drawing of A in the figure.

[0018] Figure 3 It is the front view schematic drawing of the utility model. Figure 1 It is the enlarged schematic drawing of B in the figure.

[0019] Figure 4 It is the front view schematic drawing of the utility model. Figure 1 It is the enlarged schematic drawing of C in the figure.

[0020] Figure 5 It is the left view schematic drawing of the utility model.

[0021] Figure 6 It is the top view schematic drawing of the utility model after removing the weight.

[0022] Main drawing mark explanation

[0023] Movable trolley, 2-track, 3-steel wire rope, 4-tower, 5-weight, 6-pulley block, 7-connecting rope, 8-block, 9-fixed seat, 10-limit switch one, 11-installation rod one, 12-limit switch two, 13-installation rod two, 14-round rod, 15-round ring. 101-side panel, 102-wheel; 201-safety baffle; 401-mounting seat; 601-horizontal corner pulley, 602-vertical corner pulley, 603-fixed pulley, 604-moving pulley; 1201-transmission rod. Specific implementation

[0024] In order to make the technical scheme of the utility model more clear, the following will briefly introduce the drawings needed to be used in the description, obviously, the drawings in the following description are only some embodiments of the utility model, and all other embodiments obtained by the ordinary skilled in the art without creative labor based on the embodiments in the patent are within the protection scope of the patent.

[0025] As Figure 1 , 5As shown in 1-6, a belt conveyor emergency stop mechanism, comprising a mobile trolley 1, the mobile trolley 1 is slidingly arranged on a track 2, the track 2 is provided with a safety baffle 201 at both ends, the mobile trolley 1 is connected with two steel wires 3, each steel wire 3 is connected with a weight 5 through a pulley block 6, the weight 5 is arranged on a tower 4. The pulley block 6 comprises a horizontal corner pulley 601, a vertical corner pulley 602, a fixed pulley 603 and a movable pulley 604; the horizontal corner pulley 601 is arranged between the track 2 and the tower 4; the vertical corner pulley 602 is arranged at the lower part of the tower 4; the fixed pulley 603 is fixedly arranged on the top surface of the rear side of the tower 4; the movable pulley 604 is fixedly arranged on the top surface of the weight 5; the steel wire 3 is fixedly connected to the top surface of the front side of the tower 4 after passing through the horizontal corner pulley 601, the vertical corner pulley 602, the fixed pulley 603 and the movable pulley 604 in sequence. The arrangement of the horizontal corner pulley 601 facilitates the arrangement of the tower 4 and reduces the total length of the track 2 and the tower 4; and the influence of the falling impact force of the weight 5 on the mobile trolley 1 can be reduced.

[0026] As shown in 1-6, a belt conveyor emergency stop mechanism, comprising a mobile trolley 1, the mobile trolley 1 is slidingly arranged on a track 2, the track 2 is provided with a safety baffle 201 at both ends, the mobile trolley 1 is connected with two steel wires 3, each steel wire 3 is connected with a weight 5 through a pulley block 6, the weight 5 is arranged on a tower 4. The pulley block 6 comprises a horizontal corner pulley 601, a vertical corner pulley 602, a fixed pulley 603 and a movable pulley 604; the horizontal corner pulley 601 is arranged between the track 2 and the tower 4; the vertical corner pulley 602 is arranged at the lower part of the tower 4; the fixed pulley 603 is fixedly arranged on the top surface of the rear side of the tower 4; the movable pulley 604 is fixedly arranged on the top surface of the weight 5; the steel wire 3 is fixedly connected to the top surface of the front side of the tower 4 after passing through the horizontal corner pulley 601, the vertical corner pulley 602, the fixed pulley 603 and the movable pulley 604 in sequence. The arrangement of the horizontal corner pulley 601 facilitates the arrangement of the tower 4 and reduces the total length of the track 2 and the tower 4; and the influence of the falling impact force of the weight 5 on the mobile trolley 1 can be reduced. Figure 2

[0027] When the belt is stuck, the belt drives the mobile trolley 1 to move greatly, the side panel of the mobile trolley 1 drives the limit switch one 10, the belt conveyor emergency stop switch acts to stop the belt conveyor, which avoids the belt from breaking and ensures the transmission efficiency.

[0028] As shown in 1-6, a belt conveyor emergency stop mechanism, comprising a mobile trolley 1, the mobile trolley 1 is slidingly arranged on a track 2, the track 2 is provided with a safety baffle 201 at both ends, the mobile trolley 1 is connected with two steel wires 3, each steel wire 3 is connected with a weight 5 through a pulley block 6, the weight 5 is arranged on a tower 4. The pulley block 6 comprises a horizontal corner pulley 601, a vertical corner pulley 602, a fixed pulley 603 and a movable pulley 604; the horizontal corner pulley 601 is arranged between the track 2 and the tower 4; the vertical corner pulley 602 is arranged at the lower part of the tower 4; the fixed pulley 603 is fixedly arranged on the top surface of the rear side of the tower 4; the movable pulley 604 is fixedly arranged on the top surface of the weight 5; the steel wire 3 is fixedly connected to the top surface of the front side of the tower 4 after passing through the horizontal corner pulley 601, the vertical corner pulley 602, the fixed pulley 603 and the movable pulley 604 in sequence. The arrangement of the horizontal corner pulley 601 facilitates the arrangement of the tower 4 and reduces the total length of the track 2 and the tower 4; and the influence of the falling impact force of the weight 5 on the mobile trolley 1 can be reduced. Figure 1 3 As shown in 1-6, a belt conveyor emergency stop mechanism, comprising a mobile trolley 1, the mobile trolley 1 is slidingly arranged on a track 2, the track 2 is provided with a safety baffle 201 at both ends, the mobile trolley 1 is connected with two steel wires 3, each steel wire 3 is connected with a weight 5 through a pulley block 6, the weight 5 is arranged on a tower 4. The pulley block 6 comprises a horizontal corner pulley 601, a vertical corner pulley 602, a fixed pulley 603 and a movable pulley 604; the horizontal corner pulley 601 is arranged between the track 2 and the tower 4; the vertical corner pulley 602 is arranged at the lower part of the tower 4; the fixed pulley 603 is fixedly arranged on the top surface of the rear side of the tower 4; the movable pulley 604 is fixedly arranged on the top surface of the weight 5; the steel wire 3 is fixedly connected to the top surface of the front side of the tower 4 after passing through the horizontal corner pulley 601, the vertical corner pulley 602, the fixed pulley 603 and the movable pulley 604 in sequence. The arrangement of the horizontal corner pulley 601 facilitates the arrangement of the tower 4 and reduces the total length of the track 2 and the tower 4; and the influence of the falling impact force of the weight 5 on the mobile trolley 1 can be reduced.

[0029] ​​The tower 4 is provided with a square cross section; the tower 4 is provided with mounting seats 401 at the bottom corners; the mounting rod two 13 is fixedly arranged between the two mounting seats 401 on the left bottom surface of the tower 4; the mounting rod one 11 is fixedly arranged between the two mounting seats 401 on the right bottom surface of the tower 4, and the limit switch two 12 is arranged on the top surface of the mounting rod one 11; and the fixing unit is fixedly arranged in the middle of the mounting rod two 13. The mounting rod one 11 and the mounting rod two 13 are arranged to ensure that the connecting rope 7 is arranged above the ground, and the limit switch two 12 is pulled by the connecting rope 7 when the weight 5 falls.

[0030] When the belt is broken, the weight 5 falls to press the connecting rope 7 to the ground, the connecting rope 7 pulls the limit switch two 12, the belt machine emergency stop switch acts to stop the belt machine, the belt stack is avoided from being wound into the drum, the fault is avoided from being enlarged, and the maintenance time is shortened. The connecting rope 7 arranged in the middle below the weight 5 ensures that the weight 5 falls to press the connecting rope 7, and ensures the action of the limit switch two 12.

[0031] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will be consistent with the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A belt machine emergency stop mechanism, comprising a mobile trolley (1) slidingly arranged on a track (2), the mobile trolley (1) being connected with two steel wires (3), each steel wire (3) being connected with a weight (5) through a pulley block (6), the weight (5) being arranged on a tower (4), characterized in that, The track (2) is provided with a first emergency stop assembly; the first emergency stop assembly comprises a fixed seat (9) fixedly arranged on the track (2); a limit switch I (10) is mounted on the outer side of the fixed seat (9); the limit switch I (10) is arranged in cooperation with a side panel (101) of the mobile trolley (1); and the limit switch I (10) is electrically connected with a belt conveyor emergency stop switch.

2. The belt conveyor emergency stop mechanism according to claim 1, characterized in that A blocking block (8) is arranged between the fixed seat (9) and a wheel (102) of the mobile trolley (1); the blocking block (8) is fixedly arranged on the track (2); when the wheel (102) abuts against the blocking block (8), the side panel (101) can actuate the limit switch I (10).

3. The belt conveyor emergency stop mechanism of claim 2, wherein, The lower part of the tower (4) is provided with a second emergency stop assembly; the second emergency stop assembly comprises a limit switch II (12); a connecting rope (7) is connected to a transmission rod (1201) of the limit switch II (12); one end of the connecting rope (7) away from the transmission rod (1201) is connected with a fixing unit; the connecting rope (7) is arranged below the middle part of the weight (5); and the limit switch II (12) is electrically connected with the belt conveyor emergency stop switch.

4. The belt conveyor emergency stop mechanism according to claim 3, characterized in that The tower (4) is arranged in a square cross-section; the tower (4) is provided with mounting seats (401) at the corners of the bottom; two mounting seats (401) on the bottom surface of the right side of the tower (4) are fixedly provided with a mounting rod I (11), and two mounting seats (401) on the bottom surface of the left side of the tower (4) are fixedly provided with a mounting rod II (13); the limit switch II (12) is arranged on the middle part of the top surface of the mounting rod I (11); and the fixing unit is fixedly arranged in the middle part of the mounting rod II (13).

5. The belt conveyor emergency stop mechanism of claim 4, wherein, The fixing unit comprises a round rod (14) and a round ring (15); the round rod (14) is fixedly arranged in the middle part of the top surface of the mounting rod II (13); and the round ring (15) is connected to the end of the connecting rope (7) and can be hung on the round rod (14).

6. The belt stop mechanism of claim 1, wherein The pulley block (6) comprises a horizontal corner pulley (601), a vertical corner pulley (602), a fixed pulley (603) and a movable pulley (604); the horizontal corner pulley (601) is arranged between the track (2) and the tower (4); the vertical corner pulley (602) is arranged at the lower part of the tower (4); the fixed pulley (603) is fixedly arranged on the top surface of the rear side of the tower (4); the movable pulley (604) is fixedly arranged on the top surface of the weight (5); and the steel wire rope (3) is fixedly connected to the front side of the top surface of the tower (4) after being wound around the horizontal corner pulley (601), the vertical corner pulley (602), the fixed pulley (603) and the movable pulley (604) in sequence.

Images