CN204694562U - Mine conveying belt comprehensive performance parameter experiment porch - Google Patents

Abstract

The utility model relates to a kind of mine conveying belt comprehensive performance parameter experiment porch, fundamentally solves that experiment table test parameter is single, the problem such as the bad control of precision, energy consumption are large.It comprises garter extension device, impact experiment apparatus, tears experimental provision and Experiment platform control system, its technical essential is: described garter extension device comprises frame, vertical rack-mounted impact clamping cylinder I, II and tears clamping cylinder I, tensioning fixed mount, tensioning hydro-cylinder, tensioning support, tears clamping cylinder II, and tensioning frame bottom is provided with pulley structure and spacing on guide rail; Impact experiment apparatus comprises weight guide rail, weight, balancing weight, chain wheel track, heightens sprocket wheel, lifting break-in sprocket wheel, motor, weight lifting arm and fixed chain wheels, break-in sprocket wheel, heighten sprocket wheel rotating shaft line with vertically exist necessarily to tilt; Tear that experimental provision comprises tensioning support, tears actuator cylinder I, II, tears dolly, tearing cutter assembly, clamping plate, snubber assembly.

Description

Mine conveying belt comprehensive performance parameter experiment porch

Technical field

The utility model relates to a kind of experimental facilities, particularly relate to a kind of mine conveying belt performance test apparatus, be a kind of mine conveying belt comprehensive performance parameter experiment porch specifically, be mainly applicable to detect the tensioning fatigability test of conveying belt end, the anti-impact force of belt tests and the tear resistance of belt is tested.

Background technology

Mine rubber conveying belt is the carrying carrier of the bulk cargos such as conveying ore, coal, cement, and it has continuously, efficient feature, and be widely used in the departments such as mine, port and pier, metallurgy, the energy, chemical industry, its length can reach tens kilometers.But when accompanying large ore or the reinforcing bar of band spike in material, conveying belt is often scratched.Due to movement velocity fast (7 ~ 8 meters per second), even if shut down at once, cut length also will reach tens meters.If find not in time, likely to reach tens meters.The economic loss caused because of stopping production is huge.

Domestic a lot of conveying belt manufacturer all needs a kind of conveying belt testing oneself production whether to reach the problem of the various performance index of mine conveying belt, and there is lower column defects in current existing conveying belt performance test experiment table on the market: 1) test index is single, can only realize the test of single parameter; 2) belt transect filling and recovery need manually to complete, and can not realize the robotization of filling and reclaiming; 3), during existing conveying belt shock resistance test experimental bed work, the rise of weight and landing need manually to operate, and waste time and energy; 4) height that weight rises needs manually to adjust, and can not realize robotization, precision is not high; 5) existing conveying belt tear resistance test experimental bed is torn cutter rail plate and is moved, and frictional resistance is large, and energy loss is also large; 6) to cause impacting the work efficiency of tearing experiment table not high for above series of problems, and a large amount of manpower needed, be more than the practical problems that this area needs solution badly.

Utility model content

In order to overcome conveying belt experiment table test parameter single, need that manpower is large, the problem such as the bad control of precision, energy dissipation are large, the utility model provides a kind of compact conformation simple, test parameter is various, automaticity is high, precision is high, the mine conveying belt comprehensive performance parameter experiment porch that capacity usage ratio is high.

The utility model for solving the problems of the technologies described above adopted technical scheme is: this mine conveying belt comprehensive performance parameter experiment porch comprises garter extension device, impact experiment apparatus, tears experimental provision and Experiment platform control system, its technical essential is: described impact experiment apparatus is arranged in garter extension device, tear experimental provision and be arranged on garter extension device side, Experiment platform control system is respectively with garter extension device, impact experiment apparatus and tear experimental provision and be connected;

Garter extension device comprise frame, vertical rack-mounted impact clamping cylinder I, impact clamping cylinder II and tear clamping cylinder I, fixing tensioning fixed mount in the horizontal plane, the tensioning hydro-cylinder be hinged on tensioning fixed mount, be hinged on tensioning hydro-cylinder output terminal tensioning support, be vertically fixed on tensioning support tear clamping cylinder II, tensioning frame bottom is provided with pulley structure and spacing on guide rail;

Impact experiment apparatus comprises weight guide rail, spacing weight, the balancing weight be assemblied on weight, chain wheel track on weight guide rail, heightens sprocket wheel, lifting break-in sprocket wheel, motor, weight lifting arm and fixed chain wheels, break-in sprocket wheel, heighten sprocket wheel rotating shaft line with vertically exist necessarily to tilt;

Tear that experimental provision comprises tensioning support, level be arranged on tensioning support tear actuator cylinder I, tear actuator cylinder II, be arranged on tear the tearing dolly, be arranged on the tearing cutter assembly torn on dolly of actuator cylinder I output terminal, tear clamping cylinder I and tear clamping cylinder II output terminal clamping plate, at frame and the snubber assembly torn between dolly.

Described chain wheel track is equipped with rule.

Described balancing weight is counterweight.

The beneficial effects of the utility model are: clamped belt transect by two cover clamp devices, be respectively used to impact experiment and the early-stage preparations of tearing experiment, the function of auto-lift to weight is realized by the chain cam mechanism improved, automatic adjustment height scale device realizes the adjustment to weight height, substitute former slide rail to reduce friction with roller trolley and fall low-energy consumption, the work efficiency improving experiment table finally by automatic filling device reduces human resources in a large number.And automatic filling can be realized and reclaim conveying belt, reduce experiment table energy consumption, automaticity is higher, more environmental protection.

Accompanying drawing explanation

Fig. 1 is main TV structure schematic diagram of the present utility model;

Fig. 2 is plan structure schematic diagram of the present utility model;

Fig. 3 is the main TV structure schematic diagram of the utility model automatic filling device;

Fig. 4 is the side-looking structural representation of the utility model automatic filling device;

Fig. 5 is the plan structure schematic diagram of the utility model automatic filling device;

Fig. 6 is control system principle of work block diagram of the present utility model.

Description of reference numerals: 1(conveying belt) belt transect, 2 impact clamping cylinder I, 3 balancing weights, 4 weights, 5 frames, 6 fixed chain wheels, 7 weight guide rails, 8 heighten sprocket wheel, 9 chain wheel tracks, 10 break-in sprocket wheels, 11 motor, 12 weight lifting arms, 13 impact clamping cylinder II, 14 tear clamping cylinder I, 15 clamping plates, 16 tear dolly, 17 tearing cutter assemblies, 18 tear actuator cylinder I, 19 tear clamping cylinder II, 20 tear actuator cylinder II, 21 tensioning supports, 22 tensioning hydro-cylinders, 23 tensioning fixed mounts, 24 retracting devices, 25 snubber assemblys, 26 automatic filling devices, 27 belt transect containers, 28 springs, 29 belt transects fill guide rail, 30 spring compression locks, 31 filling supports, 32 placement fluid cylinder pressures, 33 filling guide rails.

Embodiment

In order to make the person skilled of this area better understand the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

This experiment table realizes tensioning clamp test, impact experiment respectively by garter extension device, impact experiment apparatus and tear device and tears experiment.Experiment table is operated accordingly by control system.Carry out for ease of batch, be also provided with automatic filling device.

tensioning fatigue experiment: the structure of garter extension device is as Fig. 1, shown in 2, it comprises the impact clamping cylinder I 2 be vertically arranged in frame 5 for clamping, impact clamping cylinder II 13 and tear clamping cylinder I 14, the fixing tensioning fixed mount 23 being positioned at frame 5 other end in the horizontal plane, be hinged on the tensioning hydro-cylinder 22 on tensioning fixed mount 23, be hinged on the tensioning support 21 of tensioning hydro-cylinder 22 output terminal, vertically be fixed on and tensioning support 21 tears clamping cylinder II 19, pulley structure is provided with and spacing on guide rail bottom tensioning support 21, ensure that tensioning support 21 can stably move in the horizontal direction.

Experimentation: automatic filling device 26 by conveying belt belt transect 1(hereinafter referred to as " belt transect ") send into experiment table, impact clamping cylinder I 2 belt transect one end is clamped, tear clamping cylinder II 19 the conveying belt other end is clamped, carried out the fatigue resistance of test specimens belt lacing by the stretching of tensioning hydro-cylinder 22.

The part-structure of garter extension device is that impact experiment apparatus and tear device are public simultaneously, simplifies experiment table structure, realizes a tractor serves several purposes.Tensioning hydro-cylinder 22 drives tensioning support 21, and outwards motion is by belt transect tensioning, and after power to be tensioned reaches requirement of experiment, belt transect fixes to clamp, to meet tension weight churning experiment condition by impact clamping cylinder II 13; After impacting clamping cylinder II 13 clamping, tear clamping cylinder I 14 to clamp, then tensioning hydro-cylinder 22 drives tensioning support 21 to move to the inside to reduce tensile force to belt transect, clamping tensioning hydro-cylinder 22 outwards drives tensioning support 21 by the tensioning again of belt transect right-hand part, when reaching requirement of experiment, tensioning terminates, to meet clamping and the tensioning condition of tearing experiment.

The structure of automatic filling device 26 is as shown in Fig. 3 ~ 5, it comprises belt transect container 27, the filling support 31 be arranged on belt transect container 27, the spring 28 be installed in belt transect container 27, for the spring compression lock 30 of control spring 28 compression degree, the filling guide rail 33 be horizontally set on filling support 31, the placement fluid cylinder pressure 32 be horizontally fixed on filling support 31, spacingly on guide rail, be assemblied in the parts such as the belt transect filling mechanism 29 of placement fluid cylinder pressure 32 output terminal, and belt transect container 27 sidewall is provided with through slot.After spring compression lock 30 is pressed onto lowest part locking, belt transect is loaded in belt transect container 27.Under placement fluid cylinder pressure 32 drives, belt transect is pushed experiment table along filling guide rail 33 through through slot.

impact experiment:the structure of impact experiment apparatus as shown in Figure 1, it comprises weight guide rail 7, spacing weight 4 on weight guide rail 7, be assemblied in balancing weight 3(on weight 4 as counterweight), chain wheel track 9, heighten sprocket wheel 8, lifting break-in sprocket wheel 10, motor 11, the parts such as weight lifting arm 12 and fixed chain wheels 6, chain wheel track 9 is equipped with rule, sprocket wheel 8 height can be heightened by fine adjustment, break-in sprocket wheel 10, heighten the rotating shaft line of sprocket wheel 8 and vertically exist necessarily to tilt, therefore the height of drop of Indirect method weight is highly got final product by heightening sprocket wheel 8, thus to meet requirement of experiment.Weight guide rail 7 can effectively prevent from weight 4 from collapsing in impact experiment process flying, balancing weight 3 can increase weight quality, and to increase impact energy, weight 4 is replaceable is difformity, to detect the ability to bear that belt transect impacts difformity tup, the power that weight lifting arm 12 provides weight to rise.

Impact experiment process: actuating motor 11, drive break-in sprocket wheel 10 successively, heighten sprocket wheel 8 and fixed chain wheels 6 along (in Fig. 1) running clockwise, weight 4 with balancing weight 3 is upwards mentioned along weight guide rail 7 by the weight lifting arm 12 be fixed on chain under the driving of motor 11, along with the motion of weight lifting arm 12, weight 4 rises within the specific limits gradually, when weight lifting arm 12 cross heighten sprocket wheel 8 place horizontal line time, be separated with weight 4 gradually, until be completely separated time weight 4 along weight guide rail 7 free-falling, namely one-shot experimentation is completed.Weight lifting arm 12 can arrange multiple, can carry out repeat impact experiment within the unit interval.

tear experiment:tear the structure of experimental provision as Fig. 1, shown in Fig. 2, it comprises tensioning support 21, level is arranged on, and tensioning support 21 tears actuator cylinder I 18, tear actuator cylinder II 20, be arranged on tear actuator cylinder I 18 output terminal tear dolly 16, be arranged on the tearing cutter assembly 17 torn on dolly 16, be positioned at the clamping plate 15 torn clamping cylinder I 14 and tear clamping cylinder II 19 output terminal, in frame and tear the parts such as snubber assembly 25 between dolly 16, very fast owing to tearing dolly 16 movement velocity, therefore snubber assembly 25 is provided with tearing moving of car terminal, prevent from breaking experiment table.Clamping plate 15 ensures that the clamping force of tearing experiment is even, providing pulley guide rails, one-object-many-purposes simultaneously, simplifying the one-piece construction of experiment table for tearing dolly 16.After tearing experiment, unified process after belt transect being collected by retracting device 24.

Principle of work: at one end prepared recess of belt transect, insert in otch by tearing cutter assembly 17, tearing dolly 16 by tearing actuator cylinder I 18 with the action drives of synchronously stretching out of tearing actuator cylinder II 20, making blade cuts belt transect.Tearing cutter assembly 17 comprises sensor, can measure and record, draw out load one displacement one time curve to key elements such as the blade load in the process of tearing, displacement and times.This curve has a very important role concerning researching and producing anti tear conveying belt.

experiment platform control system:as shown in Figure 6, it comprises the part such as data acquisition system (DAS), hydraulic control system to Experiment platform control system principle of work.Data acquisition system (DAS) comprises the oil pressure sensor be separately positioned on each oil cylinder, to be arranged in frame and to be positioned at the pressure transducer bottom belt transect, the shock sensors be arranged on weight, the pulling force sensor be arranged on tensioning hydro-cylinder respectively, the signal of each sensor is connected with PC with OPC agreement by data acquisition system (DAS), by Ethernet, image data can also be presented on the object that smart mobile phone or panel computer portable terminal device reach Real-Time Monitoring.Hydraulic control system provides operation power for the running of whole testing table, the working condition of the real-time monitoring hydraulic system of oil temperature oil pressure sensor and pressure flow sensor is separately installed with, for the normal operation of hydraulic control system provides safety guarantee in hydraulic circuit.Native system also has touch-screen and on-the-spot button to carry out the field control of testing table, finally on system control sytsem panel, is provided with work condition indication lamp, carrys out real-time prompt system working condition.

Claims (3)

1. a mine conveying belt comprehensive performance parameter experiment porch, comprise garter extension device, impact experiment apparatus, tear experimental provision and Experiment platform control system, it is characterized in that: described impact experiment apparatus is arranged in garter extension device, tear experimental provision and be arranged on garter extension device side, Experiment platform control system is respectively with garter extension device, impact experiment apparatus and tear experimental provision and be connected;

Garter extension device comprise frame, vertical rack-mounted impact clamping cylinder I, impact clamping cylinder II and tear clamping cylinder I, fixing tensioning fixed mount in the horizontal plane, the tensioning hydro-cylinder be hinged on tensioning fixed mount, be hinged on tensioning hydro-cylinder output terminal tensioning support, be vertically fixed on tensioning support tear clamping cylinder II, tensioning frame bottom is provided with pulley structure and spacing on guide rail;

Impact experiment apparatus comprises weight guide rail, spacing weight, the balancing weight be assemblied on weight, chain wheel track on weight guide rail, heightens sprocket wheel, lifting break-in sprocket wheel, motor, weight lifting arm and fixed chain wheels, break-in sprocket wheel, heighten sprocket wheel rotating shaft line with vertically exist necessarily to tilt;

Tear that experimental provision comprises tensioning support, level be arranged on tensioning support tear actuator cylinder I, tear actuator cylinder II, be arranged on tear the tearing dolly, be arranged on the tearing cutter assembly torn on dolly of actuator cylinder I output terminal, tear clamping cylinder I and tear clamping cylinder II output terminal clamping plate, at frame and the snubber assembly torn between dolly.

2. mine conveying belt comprehensive performance parameter experiment porch according to claim 1, is characterized in that: described chain wheel track is equipped with rule.

3. mine conveying belt comprehensive performance parameter experiment porch according to claim 1 and 2, is characterized in that: described balancing weight is counterweight.