CN104535244A - Bending resistance test bench for rubber conveyer belt - Google Patents

Abstract

The invention discloses a bending resistance test bench for a rubber conveyer belt, and belongs to the technical field of mechanics performance test of conveyer belts. Positions of carrier rollers are adjusted by distance-adjusting oil cylinders and height-adjusting oil cylinders; by utilizing the cooperation of the carrier rollers and compression rollers, the conveyor belt reaches the specific bending degree; the conveyor belt is tensioned by virtue of the tension oil cylinders and is driven by virtue of a driving roller; in the process, test data can be acquired through a pressure sensor and a displacement sensor, and the required bending resistance data are finally acquired. In order to acquire the bending resistance data under the compression rollers with different roller diameters, multiple groups of experiments can be carried out by changing the compression rollers with the different roller diameters. A theoretical foundation is provided for structure optimization of a belt-type conveyor through the bending resistance of the detected belt-type conveyor in an operation process. According to the structurally-optimized belt-type conveyor, the consumption of energy sources caused by the bending resistance can be reduced, the operation cost of the belt-type conveyor is reduced, and the aim of energy source conservation is achieved.

Description

A rubber conveyor belt bending resistance test bench

technical field

The invention belongs to the technical field of mechanical performance testing of conveyor belts, in particular to a rubber conveyor belt bending resistance test bench.

Background technique

As a general-purpose equipment, belt conveyors have been widely used in various fields. However, during the use of belt conveyors, there is a problem that is often overlooked by people, that is, the bending resistance of the conveyor belt during operation. , especially on long-distance, high-capacity conveyors, the bending resistance of the conveyor belt will consume a lot of energy, resulting in waste of energy, which in turn increases the total energy consumption of the conveyor. In order to reduce the total energy consumption of the belt conveyor and reduce the use cost of the belt conveyor, it is necessary to try to reduce the energy consumption caused by the bending resistance. Therefore, it is necessary to measure the bending resistance encountered by the conveyor during operation. , and optimize the structure of the belt conveyor according to the measurement results, thereby achieving the purpose of reducing energy consumption and realizing energy saving.

Contents of the invention

Aiming at the problems existing in the prior art, the present invention provides a rubber conveyor belt bending resistance test bench, which can effectively measure the bending resistance of the belt conveyor during operation, and provide a theoretical basis for the structural optimization of the belt conveyor.

In order to achieve the above object, the present invention adopts the following technical solutions: a rubber conveyor belt bending resistance test bench, including a frame, a driving roller, a tension roller, a conveyor belt, a supporting roller, a pressure roller, a resistance frame and a pressure roller mounting frame, The driving roller and the tensioning roller are installed on the frame, and the conveyor belt is set on the driving roller and the tensioning roller; the resistance frame is fixed on the frame between the driving roller and the tensioning roller, and the pressure roller The upper end of the mounting frame is hinged on the resistance frame, the pressure roller is installed at the lower end of the pressure roller mounting frame, and a displacement sensor is vertically installed on the body of the pressure roller mounting frame; between the resistance frame and the body of the pressure roller mounting frame A pressure sensor is installed horizontally; the number of the idler rollers is two, and the two idler rollers are installed on the frame through the height adjustment cylinder, one of which is located between the driving roller and the pressure roller, and the other idler roller is located between the tension roller Between the roller and the pressure roller; the driving roller, the tension roller, the idler roller and the pressure roller are arranged in parallel.

The number of the pressure rollers is several, and the roll diameters of some pressure rollers are different, and some pressure rollers are installed on the pressure roller installation frame through the turret, and some pressure rollers on the turret are parallel to each other and evenly distributed; A stepping motor is fixedly installed on the installation frame, and the stepping motor and the turret are connected through a bevel gear transmission.

The tension roller is installed on the frame through the tension frame, the first slide block is connected to the lower part of the tension frame, the first slide rail is installed on the frame, and the tension frame passes through the first slide block and the first slide block. The rail is slidingly connected with the frame; a tension oil cylinder is installed horizontally between the tension frame and the frame.

A second slide block is connected to the lower part of the height-adjusting oil cylinder, and a second slide rail is installed on the frame, and the height-adjusting oil cylinder is slidably connected with the frame through the second slide block and the second slide rail; A pitch-adjusting oil cylinder is installed horizontally between the frame and the frame.

One side of the frame is fixedly connected to the ground, and a frame support oil cylinder is arranged between the other side of the frame and the ground. One end of the frame support oil cylinder is fixedly connected to the frame, and the other end is connected to the Ground contact fit.

One side frame body of the resistance frame is fixedly connected with the frame, and a resistance frame support oil cylinder is arranged between the other side frame body of the resistance frame and the frame, and one end of the resistance frame support oil cylinder is fixedly connected with the resistance frame, and the other end Fits in contact with the frame.

Beneficial effects of the present invention:

The rubber conveyor belt bending resistance test bench of the present invention can effectively measure the bending resistance of the belt conveyor during operation, and provide a theoretical basis for the structural optimization of the belt conveyor. The structurally optimized belt conveyor can reduce energy consumption caused by bending resistance, reduce the operating cost of the belt conveyor, and achieve the purpose of saving energy.

Description of drawings

Fig. 1 is a kind of rubber conveyor belt bending resistance test bench structural representation of the present invention;

Fig. 2 is the right view of Fig. 1;

Fig. 3 is a kind of rubber conveyer belt bending resistance test bench (conveyor belt is in bending state) structural representation of the present invention;

In the figure, 1—frame, 2—driving roller, 3—tension roller, 4—conveyor belt, 5—supporting roller, 6—pressure roller, 7—tension frame, 8—first slider, 9—the first One slide rail, 10—tension cylinder, 11—height adjustment cylinder, 12—second slide block, 13—second slide rail, 14—resistance frame, 15—pressure roller installation frame, 16—turret, 17—step Into the motor, 18—bevel gear set, 19—displacement sensor, 20—pressure sensor, 21—frame support oil cylinder, 22—resistance frame support oil cylinder, 23—distance adjustment oil cylinder.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figures 1 and 2, a rubber conveyor belt bending resistance test bench includes a frame 1, a driving roller 2, a tension roller 3, a conveyor belt 4, an idler roller 5, a pressure roller 6, a resistance frame 14 and a pressure roller The mounting frame 15, the drive roller 2 and the tension roller 3 are installed on the frame 1, the conveyor belt 4 is sleeved on the drive roller 2 and the tension roller 3; the resistance frame 14 is fixed on the drive roller 2 and the tension roller On the frame 1 between the rollers 3, the upper end of the pressure roller mounting frame 15 is hinged on the resistance frame 14, and the pressure roller 6 is installed on the lower end of the pressure roller mounting frame 15, vertically on the pressure roller mounting frame 15 frame body. A displacement sensor 19 is installed; a pressure sensor 20 is horizontally installed between the resistance frame 14 and the pressure roller mounting frame 15; Installed on the frame 1, one of the idler rollers 5 is located between the driving roller 2 and the pressing roller 6, and the other idler roller 5 is located between the tension roller 3 and the pressing roller 6; the driving roller 2, the tension roller 3 , idler roller 5 and pressing roller 6 are arranged in parallel.

Described pressure roller 6 quantity 5, and the roll diameter of 5 pressure rollers 6 is not identical, and pressure roller 6 is installed on the pressure roller installation frame 15 by turret 16, and 5 pressure rollers 6 on the turret 16 are parallel to each other and evenly distributed; a stepping motor 7 is fixedly installed on the pressure roller installation frame 15, and the stepping motor 7 and the turret 16 are connected through a bevel gear set 18 through transmission.

The tension roller 3 is installed on the frame 1 through the tension frame 7, the first slide block 8 is connected to the bottom of the tension frame 7, the first slide rail 9 is installed on the frame 1, and the tension frame 7 passes through The first slide block 8 and the first slide rail 9 are slidingly connected with the frame 1; a tension cylinder 10 is installed horizontally between the tension frame 7 and the frame 1.

A second slide block 12 is connected to the lower part of the height adjustment oil cylinder 11, and a second slide rail 13 is installed on the frame 1, and the height adjustment oil cylinder 11 slides with the frame 1 through the second slide block 12 and the second slide rail 13 Connection; between the height adjustment oil cylinder 11 and the frame 1, a distance adjustment oil cylinder 23 is installed horizontally.

One side of the frame 1 is fixedly connected to the ground, and a frame supporting oil cylinder 21 is arranged between the other side of the frame 1 and the ground, and one end of the frame supporting oil cylinder 21 is fixed to the frame 1. Even, the other end is in contact with the ground.

One side frame body of described resistance frame 14 is fixedly connected with frame 1, is provided with resistance frame supporting oil cylinder 22 between the other side frame body of resistance frame 14 and frame 1, and described resistance frame supports oil cylinder 22 one end and resistance Frame 14 is fixedly connected, and the other end contacts and cooperates with frame 1.

Below in conjunction with accompanying drawing, the one-time use process of the present invention is illustrated:

Before the experiment, select an experimental conveyor belt 4, before installing the conveyor belt 4, first control the frame support cylinder 21 and the resistance frame support cylinder 22 to retract, give the conveyor belt 4 an installation channel, and then accurately set the conveyor belt 4 On the drive roller 2 and the tension roller 3, after the conveyor belt 4 is installed, the frame support oil cylinder 21 and the resistance frame support oil cylinder 22 reset.

The horizontal position of the idler roller 5 is adjusted by the distance adjustment cylinder 23, and the height position of the idler roller 5 is adjusted by the height adjustment cylinder 11. Under the joint action of the idler roller 5 and the pressure roller 6, the conveyor belt 4 can reach a specific bending degree, such as Figure 3 shows.

Finally, the tensioning oil cylinder 10 is controlled to stretch out until the conveyor belt 4 is tensioned, then the test bench is started, and the conveyor belt 4 is driven by the driving roller 2 to start running. During this process, the experimental data is collected by the pressure sensor 20 and the displacement sensor 19, and Ultimately obtain the desired bending resistance data.

In order to obtain the bending resistance data of the pressing roller 6 with different roller diameters, multiple sets of experiments can be carried out by changing the pressing roller 6 with different roller diameters. When pressing roller 6 is changed, start stepper motor 7, drive bevel gear set 18 to rotate by stepping motor 7, and then drive turret 16 to rotate, thereby realize the replacement of pressing roller 6.

The solutions in the embodiments are not intended to limit the scope of patent protection of the present invention, and all equivalent implementations or changes that do not deviate from the present invention are included in the patent scope of this case.

Claims (6)

1. a rubber conveyer belt bending resistance experiment table, it is characterized in that: comprise frame, driven roller, idler roller, conveying belt, carrying roller, pressure roller, resistance frame and pressure roller erecting frame, described driven roller, idler roller are arranged in frame, and conveying belt is sleeved on driven roller and idler roller; Described resistance frame is packed in the frame between driven roller and idler roller, and described pressure roller erecting frame upper end thereof is on resistance frame, and described pressure roller is arranged on pressure roller erecting frame lower end, and pressure roller erecting frame support body is vertically provided with displacement transducer; Pressure transducer is horizontally installed with between described resistance frame and pressure roller erecting frame support body; Described carrying roller quantity is two, and two carrying rollers are all arranged in frame by adjust high cylinder, and one of them carrying roller is between driven roller and pressure roller, and another carrying roller is between idler roller and pressure roller; Described driven roller, idler roller, carrying roller and pressure roller be arranged in parallel.

2. a kind of rubber conveyer belt bending resistance experiment table according to claim 1, it is characterized in that: described pressure roller quantity is some, and the roller footpath of some pressure rollers is different, some pressure rollers are arranged on pressure roller erecting frame by turret, and the some pressure rollers on turret are parallel to each other and are uniformly distributed; Described pressure roller erecting frame is installed with stepper motor, is in transmission connection by bevel gear set between stepper motor and turret.

3. a kind of rubber conveyer belt bending resistance experiment table according to claim 1, it is characterized in that: described idler roller is arranged in frame by tensioning frame, the first slide block is connected with in tensioning frame bottom, frame is provided with the first slide rail, and tensioning frame is connected with housing slide by the first slide block and the first slide rail; Tensioning hydro-cylinder is horizontally installed with between described tensioning frame and frame.

4. a kind of rubber conveyer belt bending resistance experiment table according to claim 1, it is characterized in that: be connected with the second slide block in described adjust high cylinder bottom, frame is provided with the second slide rail, and adjust high cylinder is connected with housing slide by the second slide block and the second slide rail; Roll adjustment oil cylinder is horizontally installed with between described adjust high cylinder and frame.

5. a kind of rubber conveyer belt bending resistance experiment table according to claim 1, it is characterized in that: a side frame body of described frame is fixedly connected with ground, frame support cylinder is provided with between the opposite side support body of frame and ground, described frame support cylinder one end is connected mutually with frame, and the other end coordinates with earth surface.

6. a kind of rubber conveyer belt bending resistance experiment table according to claim 1, it is characterized in that: a side frame body of described resistance frame is fixedly connected with frame, resistance frame support cylinder is provided with between the opposite side support body of resistance frame and frame, described resistance frame support cylinder one end is fixedly connected with resistance frame, and the other end contacts with frame and coordinates.