CN2523732Y

CN2523732Y - Telescopic belt conveyer

Info

Publication number: CN2523732Y
Application number: CN 01264938
Authority: CN
Inventors: 王建军
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-10-15
Filing date: 2001-10-15
Publication date: 2002-12-04
Anticipated expiration: 2011-10-15

Abstract

The utility model provides a telescopic belt conveyer with large range of length, which consists of a head frame provided with an unloading cylinder 8, an electric cylinder 11, a tension cylinder 31 and a belt suspension and delivery device, a plurality of telescopic variable moving rollers connected with the back of the head frame by a diamond connecting frame, a tail electric trolley connected with a tail end of the diamond connecting frame, and a tail direction changing cylinder and a trolley walking driving apparatus arranged on the diamond connecting frame. A belt is divided by the electric cylinder and the tension cylinder into a tension feeding section and a relaxed storage section. The change of the tension section occurs with the change of the length of the belt conveyer can be compensated by the storage section, thus leading the whole belt conveyer to have telescopic change with large ranges of length and meet the delivery of materials of large ranges and continuous changing of feeding and unloading points.

Description

Can grow the flexible band conveyor that changes of distance

The utility model relates to a kind of belt transportation machinery, the particularly band conveyor of the scalable change of length.It is applicable to the material that digs out in continuously defeated material-feeding and fetching point and emptying point continually varying accumulation material in small, broken bits and the drivings such as tunnel, tunnel.

At present, the band conveyor that uses in the production is by head roll, and the changed course cylinder is enclosed within belt closed on two cylinders and support carrying roller and forms.Distance between the changed course cylinder of the head roll of head and afterbody is that maybe can only carrying out of fixing is short-range flexible, as application number is 88206078.3 telescopic belt conveyer, can only material from the afterbody of belt feeder to head fix distance or among a small circle displacement from conveying.When carrying raft to pile up the material that digs out in material and the drivings such as tunnel, tunnel, along with the continuous driving of constantly getting material and tunnel, tunnel of piling up material, the distance of getting between the material loading point of expecting point and band conveyor constantly enlarges, material can't directly be loaded onto band conveyor and carry, must be at first with manpower or movably loader material is loaded onto band conveyor, just can carry.Labour intensity is big, and efficient is low, is difficult for realizing continuously transportation automatically.

The purpose of this utility model is to provide a kind of length can grow the flexible band conveyor that changes of distance, it can overcome the deficiency of prior art, change the length of band conveyor according to the variation of wanting convey materials to get material point and emptying point, make get material point and emptying point all the time with tail, the suitable distance of head maintenance of belt feeder, by according to selected being installed in the discharging on band conveyor head, the tail support and getting material equipment and finish discharging automatically and get material of different material, realize getting the full automation of material, conveying and discharging.

Concrete scheme is: at the front end of the head frame of band conveyor a changed course cylinder is installed and is used for discharging.The motorized motions cylinder of a band brake device is installed behind the changed course cylinder, is being pressed two pressure rolls above it.The rear end of head frame is installed with tension roller, is pressing two pressure rolls above the tension roller.On tension roller one side shaft reductor and motor are housed, electromagnetic power brake and sprocket wheel are housed on another side shaft, sprocket wheel drives the belt suspension conveyor system that is installed on the head frame by chain.The belt suspension conveyor system by sprocket wheel, axle, chain, be installed in the belt hanger rod on the chain and the belt that is suspended on the rod is formed.

The afterbody of band conveyor be one by motor-driven dolly, afterbody changed course cylinder is installed on the car.

Movable pipe link by diamond structure between head frame (also can make motor-driven dolly) and the afterbody dolly is connected movably belt roller frame and carrying roller.

Belt by head discharge roll, motorized pulleys, belt suspension conveyor system, tension roller, mobile carrying roller, get back to discharge roll through stern barrel and form closed loop.Material is loaded onto band conveyor by stern barrel, by the discharging of head discharge roll, finishes conveying.When getting material point and change, the afterbody dolly changes with the variation of getting the material point, drives belt and pulls out or accumulate from the belt suspension conveyor system, and spur the length that mobile carrying roller changes band conveyor.

Embodiment of the present utility model is described with reference to the accompanying drawings.

Fig. 1 attempts for the master of the band conveyor of the scalable change of length.

Fig. 2 is the birds-eye view of Fig. 1.

Fig. 3 is the front view of the head frame fore-end of Fig. 1.

Fig. 4 is the birds-eye view of Fig. 3.

Fig. 5 is the left view of Fig. 3.

Fig. 6 is the head frame rear end part front view of Fig. 1.

Fig. 7 is the birds-eye view of Fig. 6.

Fig. 8 is the A-A section left view of Fig. 6.

Fig. 9 is the afterbody front view of Fig. 1.

Figure 10 is the birds-eye view of Fig. 9.

Figure 11 is the B-B section left view of Fig. 9.

In Fig. 1, Fig. 2, can grow the flexible band conveyor that changes of distance is by the head canned paragraph, at the rhombus link span that is hinged on two groups of scalable changes on the both sides, head frame 3 rear end on the Width respectively, the rhombus link span connects the mobile carrying roller of many groups, and the hinged tail motor-driven carrier is formed behind the rhombus link span.The head frame 3 of head canned paragraph is the cuboid framework that is welded by channel-section steel.Among Fig. 3-Fig. 5, band conveyor head frame 3 foremost above by rolling bearing units be connected with the changed course cylinder 8, its axle under be pressed with tension detector 10.Difference bolted connection motorized pulleys base on changed course cylinder 8 backs, the frame 3 both sides channel-section steel inside faces, card has the motorized pulleys 11 of an inner band brake on the

base.Pressure roll

12,13, it is stuck in the guide groove on motorized pulleys 11 back, the frame 3, and belt 9 tightly is pressed on the motorized pulleys 11 around the part on the motorized pulleys 11, and it is adjustable that pressure is welded on bolt 14,22 on the guide groove etc. by base plate.In Fig. 3-Fig. 8, hang from the belt of motorized

pulleys

11 and 12 outputs of pressure roll and to accumulate on the belt suspension conveyor system.The belt suspension conveyor system is between motorized pulleys 11 and tension roller 31, in the framework of head frame 3, be connected the

axle

2,7 of the below of motorized pulleys on the frame 3 by bearing, the

axle

28,40 of tension roller below and key are connected the

respective sprocket

1,25,6,21,26,27,42,39,48 on the axle and hang over the chain 5,24 on the sprocket wheel and a plurality of belt hanger rods of being bolted on the chain 5,24 are formed.Motorized pulleys 11 back, the roller 15 of belt hanger rod 18 tops, its two side shaft is stuck in the guide groove that is bolted on the frame 3 channel-section steel inside faces, is pressed with the spring 17 that is contained in the guide groove and base plate on the axle and is bolted to adjusting bolt 16,23 on the guide groove and constitutes the belt branches and mount and put.Behind the belt suspension conveyor system, be connected with tension roller 31 by rolling bearing units above the rear end of head frame 3, be connected with reductor 43 by drive coupling on the one side shaft, bolt motor 44 on the reductor 43, another side shaft upper spline is connected with electromagnetic power brake 32 and sprocket wheel 46, electromagnetic power brake is by the signal control of the tension detector under 8 of the discharge rolls, and sprocket wheel 46 is connected on the sprocket wheel 27 of belt suspension conveyor system by chain 29.

Pressure roll

30,33, it is stuck in, and tension roller is forward and backward, in the guide groove on the frame 3, belt 9 tightly is pressed on the tension roller 31 around the part on the tension roller 31, and pressure is adjustable by the bolt 41,47,34,45 that base plate is welded on the guide groove.

Among Fig. 1, Fig. 2, Fig. 6, Fig. 9, the hinged two groups of flexible rhombus link spans of difference on the channel-section steel of end support both sides, band conveyor head frame 3 back, it by the pipe link 37 of intermediate interdigitated on the hinged horizontal summit of forming rhombus of point of crossing drift bolt, the vertical apice of the hinged composition rhombus of pipe link head and the tail drift bolt.On the vertical apice of rhombus alternately drift bolt be hinged with pilot bar 61 and mobile carrier roller frame 36, bolt carrying roller 35 above it, below bearing pin fifth wheel 38.A vertical apice drift bolt of rhombus is hinged on pilot bar 61 or the mobile carrier roller frame 36, slides in the groove of the vertical direction that another can be offered on them.The terminal hinged tail motor-driven carrier 51 of rhombus link span.In Fig. 9,10,11, the afterbody motor-driven carrier is a framework by the channel-section steel welding, wheel is installed under it forms.The top of vehicle frame 51 connects afterbody changed course cylinder 49 by rolling bearing units, and stern barrel 49 back are left a bigger barnyard 50 and are used for installing and pick up materials device.Bolt reductor 53 on vehicle frame 51 underframe, bolt has motor 59 on the reductor 53.Key bonded assembly sprocket wheel 54 connects sprocket wheel 60 by chain 55 on reductor 53 output shafts, and sprocket wheel 60 keys are connected on the axletree 57, and axletree 57 is connected on the vehicle frame 51 by rolling bearing units, and key is connected with wheel 56,58 on the axle 57.

The feeding of belt 9 part is pushed down by

pressure roll

30,33 on tension roller 31, then through stern barrel 49, mobile carrying roller, to discharge roll 8, push down the tension force of maintenance needs again by

pressure roll

12,13 to motorized pulleys 11 tensions.Belt slack behind the pressure roll 12 is sagging, is suspended on the belt hanger rod to accumulate, deliver to tension roller 31 by the belt suspension conveyor system before, pull on tension roller 31, form closed loop.

During band conveyor work, motorized pulleys 11 get electric operation, and

pressure roll

12,13 is pressed on belt 9 on the motorized pulleys 11, produce enough friction force and drive the belt operation.Belt is through discharge roll 8, and stern barrel 49 drives tension roller 31.

Pressure roll

30,33 is pressed on belt 9 on the tension roller 31, produces enough friction force, and cylinder 31 is turned round with belt.Drive motor 44 by reductor 43 on one side axle of tension roller 31 and make the feedback generator operation, produce resistance, the tension force when guaranteeing the band conveyor convey materials; Electromagnetic power brake 32 on the another side axle is regulated the tension force of belt accurately according to the detection signal that is installed in the detector 10 at discharge roll 8 places.Sprocket wheel 46 on the tension roller axle turns round by the sprocket wheel 27 that chain 29 drive keys are connected on the axle 28, and the company's wheel 26,42 that is installed on the same axle moves to tension roller from motorized pulleys by chain 5,24 drives belt hanger rod mounted thereto.

The belt of high-speed cruising is asked output from motorized pulleys 11 and pressure roll 12, and is sagging under the effect of gravity; The belt hanger rod to tension roller 31 operations, is linked with belt from motorized pulleys 11; Constantly the belt of output is because the effect of gravity constantly is suspended on belt hanger rod right side.When the belt hanger rod runs to 18 positions under the roller 15, with roller 15 extruding, belt is compressed in 18 of roller 15 and belt hanger rods, motorized pulleys 11 and roller 12 ask that the belt of output begins to dangle in the left side of hanger rod 18, belt is being suspended under the effect of gravity on the belt hanger rod, finish branch and hang, and move to tension roller 31 with hanger rod low speed.When the hanger rod that hangs with belt moved to before the tension roller 31, belt was from pulling on tension roller at a high speed between pressure roll 30 and the tension roller 31, and the hanger rod sprocket wheel of passing by circulates downwards.

When the afterbody dolly outwards stretched, rhombus flexibly connected the frame anamorphic stretching, and band conveyor is elongated, and belt tension partly increases, and belt is pulled out from hanger rod, and overhang shortens.Reach when the longest to band conveyor, belt is all pulled out from hanger rod, no longer dangles.When 51 withdrawals of afterbody dolly, the withdrawal of rhombus link span, band conveyor shortens, and tensioning portion reduces, and unnecessary belt hangs over to dangle on the belt hanger rod and accumulates.Whole band conveyor can in very large range stretch, and satisfies various displacements from the needs of carrying.

Claims

1. can grow the flexible band conveyor that changes of distance for one kind, it is characterized in that spherical bearing connects discharge roll 8 on head frame 3 front ends of band conveyor, behind the discharge roll 8, connect motorized pulleys 11 by bolted base between the channel-section steel of both sides above the frame 3, be pressed with pressure roll 12 on it, 13, the back connects the belt suspension conveyor system, belt suspension conveyor system back, bearing is connected with tension roller 31 above the back end support of head frame 3, connect reductor 43 by drive coupling on the one end axle, bolted connection motor 44 on the reductor 43, other end axle upper spline connects electromagnetic power brake and sprocket wheel 46, sprocket wheel 46 connects the sprocket wheel 27 of belt suspension conveyor system by chain 29, be pressed with roller 30 on the tension roller 31,33, hinged rhombus link span on support two edge columns of head frame 3 rear ends, connect the mobile carrying roller of many groups, the terminal hinged tail motor-driven carrier 51 of rhombus link span, connect afterbody changed course cylinder 49 and carriage walking actuating device by rolling bearing units above it, belt 9 on tension roller 31 by roller 30,33 push down, walk around afterbody changed course cylinder 49, discharge roll 8 to the motorized pulleys 11 by roller 12,13 compress, and get back to tension roller 31 through the belt suspension conveyor system then.

2. the flexible band conveyor that changes of distance of growing as claimed in claim 1 is characterized in that pressure roll 12,13,30,33 is pressed on belt on motorized pulleys 11 and the tension roller 31.

3. the flexible band conveyor that changes of distance of growing as claimed in claim 1, it is characterized in that on the tension roller one end axle reductor 43 and motor 44 being installed, electromagnetic power brake 32 is installed on the other end axle, tension detector 10 under 8 of the controller of electromagnetic power brake 32 and the discharge rolls is connected, and tension roller 31 connects motorized pulleys 11 by belt 9.

4. the flexible band conveyor that changes of distance of growing as claimed in claim 1, it is characterized in that the belt suspension conveyor system is at frame 3 head bearing adapter shafts 2,7,28,40, key connects corresponding sprocket wheel 1,25,6,21,26,27,42,39,48 on the axle, hang with chain 5,24 on the sprocket wheel, bolt belt hanger rod on chain 5,24, hang belt on the hanger rod, be pressed with the roller 15 that is connected on the frame 3 above the belt hanger rod 18, sprocket wheel 27 is connected sprocket wheel 46 on 31 of the tension roller by chain 29 connecting keys.