CN202081911U

CN202081911U - Retractable belt conveyor tail

Info

Publication number: CN202081911U
Application number: CN2010206835030U
Authority: CN
Inventors: 汪允岭
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-12-19
Filing date: 2010-12-19
Publication date: 2011-12-21
Anticipated expiration: 2020-12-19

Abstract

The utility model discloses a retractable belt conveyor tail, which belongs to mine equipment. An automatic belt tensioning device is disposed on a retractable tail frame, tensioning wheels I17 are mounted on outer sliding bushes 8, tensioning wheels II18 are mounted on inner sliding bushes 9 by bearing blocks, guide wheels 21 are mounted on the outer sliding bushes, a lower conveying belt 15 is wound around the tensioning wheels II18 clockwise, then wound around the tensioning wheels 17 anticlockwise and further wound around guide wheels 20 to enter a tail barrel 4, and the tail does not affect the rate of tension of a belt when extending and retracting. Inner tubes 3 are further disposed at outer ends of the outer sliding bushes 8 and inserted into holes of the outer sliding bushes in a sliding fit manner, lifting cylinders I1 are disposed at outer ends of the inner tubes 3, the retractable belt conveyor tail is provided with two retractable cylinders I5, cylinder bodies and piston rods of the retractable cylinders are respectively connected with the outer sliding bushes 8 and the inner tubes 3, and the lifting cylinders I1 and lifting cylinders II2 simultaneously support the inner tubes 3 and the outer sliding bushes 8 and realize fine supporting effect. Resistance is low due to rolling friction among the inner sliding bushes 9, the outer sliding bushes 8 and the inner tubes 3.

Description

The belt conveyor tail that can stretch

Technical field

The utility model relates to a kind of mining equiment, is specifically related to the tail that belt conveyor tip length under the coal mine can telescopic variation.

Background technology

Belt conveyor is the coal handling plant that uses on the coal-face under the coal mine, and it is transported to vertical with the coal that cutting coal machine cuts off, and delivers to ground by the vertical shaft hoisting device again.The coal that cutting coal machine cuts off will be delivered on the belt conveyor tail through the scraper plate machine, because the height of belt conveyor is higher than the height of scraper plate machine, the coal that the scraper plate machine can't be cut off cutting coal machine is transported on the belt conveyor.Present most of colliery adopts one or more reprinting scraper plate machine to carry out the centre transhipment, and production efficiency is low, and equipment has high input." telescopic tail of belt conveyer " (application number 201010252792.3) and (application number 201020291331.2) of the applicant's application in 2010 have effectively solved above-mentioned technical problem, but weak point have also been arranged.

1, do not have the belt automatic takeup on the telescopic tail, behind the tail retraction, belt slack can only lean on tensioning apparatus on the belt conveyor with belt tension, and the work trouble influences operating efficiency.

2, the bearing strength of inner sliding sleeve is good not enough, and during the sliding sleeve stretching motion, frictional resistance is big.

Summary of the invention

In order to solve described problem, the utility model provides a kind of belt conveyor tail that can stretch, and utilizes outer sliding sleeve, inner sliding sleeve and the interior pipe of two groups of suits to form tailstock, is lifted by hoist cylinder, and telescopic oil cylinder drives sliding sleeve and moves, and realizes that tail is flexible.The belt automatic takeup also is set on the telescopic tail.

The utility model is achieved by the following technical solution: a kind of belt conveyor tail that can stretch comprises the tailstock that is connected with the belt conveyor frame, is installed in many carrying rollers and removable grooved carrying roller on the tailstock; Described tailstock comprises: outer sliding sleeve, inner sliding sleeve, hoist cylinder II and telescopic oil cylinder II; Described outer sliding sleeve and inner sliding sleeve are two, and inner sliding sleeve is sleeved in the hole of outer sliding sleeve, and the inner sliding sleeve outer end is connected with the conveyor frame; Described hoist cylinder II is four, and its cylinder body is vertically fixed on the two ends of outer sliding sleeve; Described telescopic oil cylinder II is two, and its cylinder body is connected outer sliding sleeve and conveyor frame respectively with piston rod; Described removable grooved carrying roller is installed on the inner sliding sleeve, and described many carrying rollers are installed on the outer sliding sleeve; Synchronized splitter motor and control valve are arranged on the tailstock; It is characterized in that: the belt automatic takeup is set on the described tailstock; Outer end at outer sliding sleeve also is provided with interior pipe, and described interior pipe sliding fit is inserted in the hole of outer sliding sleeve, and the outer end of interior pipe is provided with hoist cylinder I; Telescopic oil cylinder I is two, and its cylinder body is connected outer sliding sleeve and interior pipe respectively with piston rod.

Described belt automatic takeup comprises: regulating wheel I, regulating wheel II and directive wheel, and described regulating wheel I is installed on the outer sliding sleeve by bearing support I; Described regulating wheel II is installed on the inner sliding sleeve by bearing support II, on the described outer sliding sleeve open slot is arranged, and bearing support II passes from open slot; Described directive wheel is installed on the outer sliding sleeve; Following conveyer belt is walked around after the regulating wheel II in the direction of the clock by counterclockwise walking around regulating wheel I, enters aircraft tail cylinder after walking around directive wheel again.

Between described inner sliding sleeve and the outer sliding sleeve contact surface rolling element II is set, described rolling element II is inlaid on the outer wall of inner sliding sleeve, perhaps is inlaid on the inwall of outer sliding sleeve.

Between described outer sliding sleeve and the interior pipe contact surface rolling element I is set, described rolling element I7 is installed between outer sliding sleeve and the interior pipe by ball base.

Described rolling element I and rolling element II are spheroid or cylinder.

Described hoist cylinder I is connected with the synchronized splitter motor by oil pipe with hoist cylinder II, and the synchronized splitter motor is connected with control valve by oil pipe; Described telescopic oil cylinder I is connected with control valve by oil pipe with telescopic oil cylinder II.

Described telescopic oil cylinder II is multistage cylinder.

Good effect of the present utility model is:

1, telescopic tail docks with the scraper plate machine, need not the elevating conveyor transhipment, high efficiency, and the equipment investment expense is low.

2, adopt hydraulic cylinder to carry out lifting of tail and flexible, the automaticity height, the production efficiency height, labour intensity is low.

3, the belt automatic takeup is set, the flexible belt tightening that do not influence of tail.

4, utilize the down-hole supporting with the power source of Hydraulic Station, save equipment investment as this machine Hydraulic Elements.

5, can be used applied range with the belt conveyor of 44 types, 80 types and the multiple model of 150 types.

Description of drawings

Below in conjunction with drawings and the specific embodiments the utility model is described in further detail.

Fig. 1 is the utility model structural representation.

Fig. 2 is the utility model outward appearance front view.

Fig. 3 is the vertical view of Fig. 2.

Fig. 4 is the A--A profile of Fig. 1.

Fig. 5 is the B--B profile of Fig. 1.

Among the figure: 1, hoist cylinder I, 2, hoist cylinder II, 3, interior pipe, 4, aircraft tail cylinder, 5, telescopic oil cylinder I, 6, ball base, 7, rolling element I, 8, outer sliding sleeve, 8-1, open slot, 9, inner sliding sleeve, 10, rolling element II, 11, removable grooved carrying roller, 12, conveyor frame, 13, carrying roller, 14, upper conveyor belt, 15, conveyer belt down, 16, bearing support I, 17, regulating wheel I, 18, regulating wheel II, 19, bearing support II, 20, directive wheel, 21, telescopic oil cylinder II, 22, the synchronized splitter motor, 23, control valve.

The specific embodiment

As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5: a kind of belt conveyor tail that can stretch comprises the tailstock that is connected with the belt conveyor frame, is installed in many carrying rollers 13 and removable grooved carrying roller 11 on the tailstock; Described tailstock comprises: outer sliding sleeve 8, inner sliding sleeve 9, hoist cylinder II2 and telescopic oil cylinder II21; Described outer sliding sleeve 8 and inner sliding sleeve 9 are two, and inner sliding sleeve 9 is sleeved in the hole of outer sliding sleeve 8, and inner sliding sleeve 9 outer ends are connected with conveyor frame 12; Described hoist cylinder II2 is four, and its cylinder body is vertically fixed on the two ends of outer sliding sleeve 8; Described telescopic oil cylinder II21 is two, and its cylinder body is connected outer sliding sleeve 8 and conveyor frame 12 respectively with piston rod; Described removable grooved carrying roller 11 is installed on the inner sliding sleeve 9, and described many carrying rollers 13 are installed on the outer sliding sleeve 8; Synchronized splitter motor 22 and control valve 23 are arranged on the tailstock; It is characterized in that: the belt automatic takeup is set on the described tailstock; Pipe 3 in the outer end of outer sliding sleeve 8 also is provided with, described interior pipe 3 sliding fits are inserted in the hole of outer sliding sleeve 8, and the outer end of interior pipe 3 is provided with hoist cylinder I1; Telescopic oil cylinder I5 is two, and its cylinder body is connected outer sliding sleeve 8 and interior pipe 3 respectively with piston rod.

Described belt automatic takeup comprises: regulating wheel I17, regulating wheel II18 and directive wheel 20, and described regulating wheel I17 is installed on the outer sliding sleeve 8 by bearing support I16; Described regulating wheel II18 is installed on the inner sliding sleeve 9 by bearing support II19, on the described outer sliding sleeve 8 open slot 8-1 is arranged, and bearing support II19 passes from open slot 8-1; Described directive wheel 20 is installed on the outer sliding sleeve 8; Following conveyer belt 15 is walked around after the regulating wheel II18 in the direction of the clock by counterclockwise walking around regulating wheel I17, enters aircraft tail cylinder 4 after walking around directive wheel 20 again;

Between described inner sliding sleeve 9 and outer sliding sleeve 8 contact surfaces rolling element II10 is set, described rolling element II10 is inlaid on the outer wall of inner sliding sleeve 9, perhaps is inlaid on the inwall of outer sliding sleeve 8.

Between described outer sliding sleeve 8 and interior pipe 3 contact surfaces rolling element I7 is set, described rolling element I7 is installed between outer sliding sleeve 8 and the interior pipe 3 by ball base 6.

On the outer wall of pipe 3, perhaps be inlaid on the inwall of outer sliding sleeve 8 in being inlaid in.

Described rolling element I7 and rolling element II10 are spheroid or cylinder.

Described hoist cylinder I1 is connected with synchronized splitter motor 22 by oil pipe with hoist cylinder II2, and synchronized splitter motor 22 is connected with control valve 23 by oil pipe; Described telescopic oil cylinder I5 is connected with control valve 23 by oil pipe with telescopic oil cylinder II21.

Described telescopic oil cylinder II21 is multistage cylinder.

As Fig. 1, Fig. 2, shown in Figure 3: during use, operation control valve 23, Hydraulic Station be to synchronized splitter motor 22 feed flows, and synchronized splitter motor 22 is synchronously to four hoist cylinder II2 feed flows, hoist cylinder II2 piston rod retraction built on stilts.Simultaneously, hoist cylinder I1 gets oily, pipe 3 in having supported.Operation control valve 23 is to telescopic oil cylinder II21 feed flow again, and telescopic oil cylinder II21 pulling outer sliding sleeve 8 moves to right, and the aircraft tail cylinder 4, carrying roller 13 and the regulating wheel I17 that are installed on the outer sliding sleeve 8 move to right synchronously.Because regulating wheel II18 is motionless, can not influence the tensioning dynamics of upper conveyor belt 14 and following conveyer belt 15.Operation control valve 23 is to hoist cylinder I1 feed flow again, hoist cylinder I1 piston rod retraction built on stilts; Operation control valve 23 is to telescopic oil cylinder I5 feed flow again, and pipe 3 bounces back in the telescopic oil cylinder I5 pulling.Behind interior pipe 3 retractions, operation control valve 23 is to hoist cylinder I1 feed flow again, and hoist cylinder I1 gets oily, pipe 3 in having supported.But conveyer is operate as normal just.In the process that outer sliding sleeve 8 moves, in time regulate the position of removable grooved carrying roller 11.According to practice and calculating, each order of classes or grades at school only need move 2～3 times, just can finish work on duty.

Claims

1. belt conveyor tail that can stretch comprises the tailstock that is connected with the belt conveyor frame, is installed in many carrying rollers (13) and removable grooved carrying roller (11) on the tailstock; Described tailstock comprises: outer sliding sleeve (8), inner sliding sleeve (9), hoist cylinder II (2) and telescopic oil cylinder II (21); Described outer sliding sleeve (8) and inner sliding sleeve (9) are two, and inner sliding sleeve (9) is sleeved in the hole of outer sliding sleeve (8), and inner sliding sleeve (9) outer end is connected with conveyor frame (12); Described hoist cylinder II (2) is four, and its cylinder body is vertically fixed on the two ends of outer sliding sleeve (8); Described telescopic oil cylinder II (21) is two, and its cylinder body is connected outer sliding sleeve (8) and conveyor frame (12) respectively with piston rod; Described removable grooved carrying roller (11) is installed on the inner sliding sleeve (9), and described many carrying rollers (13) are installed on the outer sliding sleeve (8); Synchronized splitter motor (22) and control valve (23) are arranged on the tailstock; It is characterized in that: the belt automatic takeup is set on the described tailstock; In the outer end of outer sliding sleeve (8) interior pipe (3) is set also, described interior pipe (3) sliding fit is inserted in the hole of outer sliding sleeve (8), and the outer end of interior pipe (3) is provided with hoist cylinder I (1); Telescopic oil cylinder I (5) is two, and its cylinder body is connected outer sliding sleeve (8) and interior pipe (3) respectively with piston rod;

Described belt automatic takeup comprises: regulating wheel I (17), regulating wheel II (18) and directive wheel (20), and described regulating wheel I (17) is installed on the outer sliding sleeve (8) by bearing support I (16); Described regulating wheel II (18) is installed on the inner sliding sleeve (9) by bearing support II (19), and open slot (8-1) is arranged on the described outer sliding sleeve (8), and bearing support II (19) passes from open slot (8-1); Described directive wheel (20) is installed on the outer sliding sleeve (8); Following conveyer belt (15) is walked around regulating wheel II (18) in the direction of the clock afterwards by counterclockwise walking around regulating wheel I (17), enters aircraft tail cylinder (4) after walking around directive wheel (20) again.

2. the belt conveyor tail that can stretch according to claim 1, it is characterized in that: between described inner sliding sleeve (9) and outer sliding sleeve (8) contact surface rolling element II (10) is set, described rolling element II (10) is inlaid on the outer wall of inner sliding sleeve (9), perhaps is inlaid on the inwall of outer sliding sleeve (8).

3. the belt conveyor tail that can stretch according to claim 1, it is characterized in that: between described outer sliding sleeve (8) and interior pipe (3) contact surface rolling element I (7) is set, described rolling element I (7) is installed between outer sliding sleeve (8) and the interior pipe (3) by ball base (6).

4. the belt conveyor tail that can stretch according to claim 1 is characterized in that: described rolling element I (7) and rolling element II (10) are spheroid or cylinder.

5. the belt conveyor tail that can stretch according to claim 1, it is characterized in that: described hoist cylinder I (1) is connected with synchronized splitter motor (22) by oil pipe with hoist cylinder II (2), and synchronized splitter motor (22) is connected with control valve (23) by oil pipe; Described telescopic oil cylinder I (5) is connected with control valve (23) by oil pipe with telescopic oil cylinder II (21).

6. the belt conveyor tail that can stretch according to claim 1 is characterized in that: described telescopic oil cylinder II (21) is multistage cylinder.