CN209618164U - A kind of sandstone conveyer belt automatic tensioning mechanism - Google Patents

Abstract

The utility model relates to concrete processing machinery fields, more particularly, to a kind of sandstone conveyer belt automatic tensioning mechanism, including frame body and conveyer belt, it further include the first bend pulley and the second bend pulley being arranged on a moving belt, the tension frame with belt tensioning drum is provided with below first bend pulley, tension band and counterweight element are connected in turn below tension frame, separately it is provided with the central controller of control counterweight element weight fluctuations, weighing sensor is equipped in one end of the lower feeding of conveyer belt, weighing sensor is connect with central controller, before starting, central controller controls counterweight element mitigates, conveyer belt starts loading transmission after starting, weighing sensor weight of material to be transmitted feeds back to central controller, when load-carrying is larger, central controller then controls counterweight element increase, when the less load-carrying of transported material is smaller or When person's zero load, central controller then controls the reduction of counterweight element counterweight, realizes the function of automatic adjustment conveyer belt tensioning degree.

Description

A kind of sandstone conveyer belt automatic tensioning mechanism

Technical field

The utility model relates to concrete processing machinery fields, more particularly, to a kind of sandstone conveyer belt Autoamtic tightening machine Structure.

Background technique

Large-scale concrete mixing plant is all made of conveyer belt in concrete preparation process and sandstone is delivered to stirring at present Kettle, mixing plant select conveyer belt is generally high-power, the conveyer belt of large conveying quantity, long range.Belt conveyor is by transmission Frictional force between roller and conveyer belt transmits power.In order to guarantee that belt conveyor is normally smoothly started and run, Conveyer belt open that (system) dynamic and operational process in must all keep fixed tension.So tensioning apparatus is must in belt conveyor Indispensable important component.

A kind of conveyer belt tensioning apparatus as disclosed in the Chinese utility model patent of publication number CN207726170U, including frame Body, support rod and the idler roller for being tensioned article-carrying belt, support rod passes through idler roller axle center, and idler roller can turn with respect to support rod Dynamic, idler roller is arranged on the inside of article-carrying belt and is bonded with article-carrying belt, and the support rod both ends are provided with sliding part, open up on frame body There is the sliding slot for sliding part sliding, the pull-down member for pulling support rod to move downward is connected on support rod.When article-carrying belt and idler wheel Between rate of tension when reducing, pull-down member pulls support rod to move downward, and sliding part is moved along the sliding slot that is provided on frame body at this time, Tight roller pulls article-carrying belt to move downward, and article-carrying belt is tightened up to complete the tensioning of article-carrying belt at this time.

But above-mentioned technology has the following deficiencies: that its pull-down member pulls support rod to move downward, so that it is tensioned article-carrying belt, However during conveyer belt opens dynamic (system) and normal operation, significant change can occur for belt tension, and belt conveyor opens When dynamic, belt tension is all bigger, and when conveying capacity changes, significant change, idle running can occur for the tension of conveyer belt When, tension is smaller, and when heavy service, tension is larger, and in the process of running, plasticity change can gradually occur belt conveyor for conveyer belt Shape, at this moment tension becomes smaller, and sag increases, and the variation degree of above-mentioned pull-down member reply belt tension is slightly worse, is easy to happen biography It send inadequate with being tensioned excessively or being tensioned dynamics.

Utility model content

The purpose of the utility model is to provide a kind of sandstone conveyer belt automatic tensioning mechanisms, can automatically adjust conveyer belt Tensioning degree, avoids crossing in conveyer belt loading transportational process and is tensioned or to be tensioned dynamics inadequate.

The above-mentioned purpose of the utility model has the technical scheme that a kind of sandstone conveyer belt is opened automatically Tight mechanism, including frame body, conveyer belt frame are set on the frame body and are in the low one end high setting in one end, further include being arranged in the biography Send the first bend pulley taken and second bend pulley, setting below first bend pulley and the second bend pulley There is tension frame, be provided with belt tensioning drum in the tension frame, the conveyer belt is around first bend pulley and described Second bend pulley is sheathed on downwards the belt tensioning drum periphery, and the tension frame is moved up and down along the frame body, Yu Suoshu It is connected with tension band below tension frame, the tension band is also connected with downwards counterweight element, is separately provided with the control counterweight The central controller of unit weight increase and decrease, is provided with weighing sensor, the weighing and sensing in one end of the lower feeding of conveyer belt Device is connect with the central controller.

Implement above-mentioned technical proposal, conveyer belt changes direction by the first bend pulley and second bend pulley and is arranged downwards In belt tensioning drum periphery, the tension band connected below tension frame, before transmitting tape starting, described in the central controller controls Counterweight element mitigates counterweight and avoids crossing tensioning when transmission tape starting, described as conveyer belt starts loading transmission after normal starting Central controller, which then controls the counterweight element and increases counterweight conveyer belt is avoided to collapse, to be loosened, sets at conveyer belt loading bin The weighing sensor being equipped with weight of material to be transmitted feeds back to the central controller, when the more load-carrying of transported material is larger When, the central controller then controls the counterweight element and increases the biggish tensile force of offer, when the less load-carrying of transported material When smaller or unloaded, the central controller then controls the lesser tensioning of counterweight element counterweight reduction offer and tries hard to avoid Exempt to damage conveyer belt, realizes the function of automatic adjustment conveyer belt tensioning degree.

The utility model is further arranged to: guide rail is provided on the frame body, the guide rail is arranged in the Tension frame Frame vertical edge two sides, two vertical edge of tension frame are slidably connected with the guide rail.

Implement above-mentioned technical proposal, tension frame and the frame body are slidably connected, promote tension frame along guide rail in frame Body moves up and down, and avoids what frame body vacantly generated from rocking.

The utility model is further arranged to: first bend pulley is arranged at the lower one end end of the conveyer belt Portion, the second bend pulley are arranged below the second bend pulley, and the tension frame is set to first changed course The first bend pulley setting is described in the lower one end end of the conveyer belt below roller and the second bend pulley Second bend pulley is arranged below the second bend pulley, and the tension frame is set to first bend pulley and institute It states below second bend pulley.

Implement above-mentioned technical proposal, the first bend pulley second bend pulley is arranged in the lower one end of the conveyer belt End is conveniently adjusted maintenance and daily inspection, avoids high hovering object, safer.

The utility model is further arranged to: the counterweight element includes the counterweight water tank with the tensioning band connection, institute Stating counterweight water tank is in rectangular box shape, counterweight water tank upper end and the tensioning band connection, is provided on the counterweight water tank defeated Pump is sent, the delivery pump is connect with the counterweight water tank by water inlet line, and the counterweight water tank side is additionally provided with drainpipe Road is provided with solenoid valve on the drainage pipeline, and the solenoid valve and the delivery pump are connect with the central controller.

Implement above-mentioned technical proposal, the central controller controls solenoid valve is opened before transmitting tape starting, by ballast water Water discharge part in case, avoids conveyer belt from crossing tensioning, when transmitting tape starting and starting loading transport, according to feed bin is arranged in The data of weighing sensor can control delivery pump to open, and water is supplemented in counterweight water tank, and then counterweight increases, and avoid conveyer belt Power is inadequate, how much can flexibly adjust the water in counterweight water tank according to the data of weighing sensor, then changes the weight of counterweight Amount adapts to different launch weights, high degree of automation, and equipment is simple.

The utility model is further arranged to: counterweight water tank upper end end face is provided with fixed card slot protruding upward, The tension band lower end is provided with fixing strip along its length, is provided with one by one on the fixing strip and the fixed card slot Corresponding several location holes are additionally provided with standing screw, and the fixing strip and the fixed card slot are clamped, and the standing screw is worn The fixing strip and the fixed card slot are connected and fixed set on the location hole.

Implement above-mentioned technical proposal, tension band is clamped by fixing strip and the fixed card slot, the fixing card Item is overlapped with the location hole on the fixed card slot, and standing screw is fixedly connected with tension band and ballast water along location hole insertion Case, can be easy to disassemble when needing to clean maintenance.

The utility model is further arranged to: being connected with safety rope between the counterweight water tank and the tension frame.

Implement above-mentioned technical proposal, setting safety rope can avoid dropping after fixed water tank falls off with tension band, enhancement device Safety, and safety rope and the shaking for weakening fixed water tank.

The utility model is further arranged to: being equipped with water storage tank below the counterweight water tank, the drainage pipeline and described Water inlet line is connect with the water storage tank.

Implement above-mentioned technical proposal, setting water storage tank can be not necessarily to usually in water storage tank inner storing water by drainpipe and water inlet pipe Lead to again over-the-counter.

The utility model is further arranged to: hopper is equipped in the tension frame below the belt tensioning drum, it is described Hopper is located at counterweight water tank upper surface, and the hopper is open towards the belt tensioning drum.

Implement above-mentioned technical proposal, when conveyer belt passes through belt tensioning drum, the silt of conveyer belt zone face adherency can be to tenesmus It falling, setting hopper can accept the silt fallen, and avoid silt from entering the water storage tank of lower section, while also silt being avoided to make place dirty, The silt recoverable that hopper is accepted.

In conclusion the advantageous effects of the utility model are as follows:

1. a kind of sandstone conveyer belt automatic tensioning mechanism, including frame body, conveyer belt frame is set on the frame body and is in one end Low one end high setting further includes the first bend pulley being arranged on the conveyer belt and second bend pulley, and described first changes It is equipped with tension frame below to roller and the second bend pulley, is equipped with belt tensioning drum, the transmission in the tension frame Band is sheathed on downwards the belt tensioning drum periphery, the Tension frame around first bend pulley and the second bend pulley Frame is moved up and down along the frame body, is connected with tension band below Yu Suoshu tension frame, the tension band, which is also connected with downwards, matches Weight unit, is additionally provided with the central controller for controlling the counterweight element weight fluctuations, is equipped in one end of the lower feeding of conveyer belt Weighing sensor, the weighing sensor are connect with the central controller, and conveyer belt changes by the first bend pulley and second Change direction to roller and is sheathed on belt tensioning drum periphery downwards, the tension band of connection below tension frame, before transmitting tape starting, Counterweight element described in the central controller controls mitigates counterweight and avoids crossing tensioning when transmission tape starting, with biography after normal starting Band is sent to start loading transmission, the weighing sensor weight of material to be transmitted feeds back to the central controller, works as transport When the more load-carrying of material is larger, the central controller then controls the counterweight element and increases the biggish tensile force of offer, when When the less load-carrying of transported material is smaller or unloaded, the central controller then controls the counterweight element counterweight reduction and mentions Damage conveyer belt is avoided for lesser tensile force, realizes the function of automatic adjustment conveyer belt tensioning degree；

2. counterweight element includes the counterweight water tank with the tensioning band connection, the counterweight water tank is in rectangular box shape, described Counterweight water tank upper end and the tensioning band connection, the counterweight water tank are equipped with delivery pump, the delivery pump and the ballast water Case is connected by water inlet line, and the counterweight water tank side is additionally provided with drainage pipeline, and the drainage pipeline is equipped with solenoid valve, institute It states solenoid valve and the delivery pump is connect with the central controller, the central controller controls electricity before transmitting tape starting Magnet valve is opened, and by the water discharge part in counterweight water tank, conveyer belt is avoided to cross tensioning, when transmission tape starting starts loading transport When, how much the water in counterweight water tank can be flexibly adjusted according to the data of weighing sensor, and the weight for then changing counterweight is come Adapt to different launch weights, high degree of automation, equipment is simple.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model.

Fig. 2 is the utility model configuration schematic diagram.

Fig. 3 is the enlarged structure schematic diagram of part A in Fig. 2.

In figure: 1, frame body；2, conveyer belt；3, the first bend pulley；4, second bend pulley；5, tension frame；6, it leads Rail；7, counterweight element；8, weighing sensor；9, counterweight water tank；10, tension band；11, delivery pump；12, water inlet line；13, it drains Pipeline；14, solenoid valve；15, fixed card slot；16, fixing strip；17, location hole；18, standing screw；19, safety rope；20, it stores up Sink；21, hopper.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

It referring to Figures 1 and 2, is a kind of sandstone conveyer belt automatic tensioning mechanism disclosed by the utility model, including frame body 1, Conveyer belt 2 is set up on frame body 1 and in the low one end high setting in one end, and the lower one end end of conveyer belt 2 is provided with first and changes To roller 3, it is provided with second bend pulley 4 below the first bend pulley 3, maintenance is conveniently adjusted and daily is patrolled Inspection, avoids high hovering object, safer, and conveyer belt 2 is downward around the first bend pulley 3 and second bend pulley 4, in first It is provided with tension frame 5 below bend pulley 3,5 vertical edge two sides of tension frame is provided with guide rail 6, tension frame on frame body 1 5 liang of vertical edges are slidably connected with guide rail 6, and tension frame 5 is promoted to move up and down along guide rail 6 in frame body 1, and frame body 1 is avoided vacantly to produce Raw rocks, and in being provided with belt tensioning drum in tension frame 5, above-mentioned conveyer belt 2 is rich downwards to be located at belt tensioning drum periphery, in tensioning Tension band 10 is connected with below frame 5, tension band 10 is also connected with downwards counterweight element 7, is separately provided with control 7 weight of counterweight element The central controller for measuring increase and decrease is provided with weighing sensor 8 in one end of the lower feeding of conveyer belt 2, and weighing sensor 8, which is located at, to be passed It send below lower one end feed bin of 2 feeding of band (being not drawn into figure), weighing sensor 8 is connect with central controller, therefore is worked as Before conveyer belt 2 starts, central controller controls counterweight element 7 mitigates counterweight and conveyer belt 2 is avoided to cross tensioning when starting, normal to start Afterwards as conveyer belt 2 starts loading transmission, central controller then controls the increase of counterweight element 7 counterweight and conveyer belt 2 is avoided to collapse It loosens, the weight of material to be transmitted of weighing sensor 8 being provided at 2 loading bin of conveyer belt feeds back to central control Device, when the more load-carrying of transported material is larger, central controller then controls counterweight element 7 and increases the biggish tensile force of offer, When the less load-carrying of transported material is smaller or unloaded, central controller then control 7 counterweight of counterweight element reduce provide compared with Small tensile force avoids damage conveyer belt 2, realizes the function of automatic adjustment 2 tensioning degree of conveyer belt.

Referring to Fig. 2 and Fig. 3, counterweight element 7 includes the counterweight water tank 9 connecting with tension band 10, and counterweight water tank 9 is in rectangular box Shape, 9 upper end of counterweight water tank are connect with tension band 10, and delivery pump 11, delivery pump 11 and counterweight water tank 9 are provided on counterweight water tank 9 It is connected by water inlet line 12,9 side of counterweight water tank is additionally provided with drainage pipeline 13, is provided with solenoid valve on drainage pipeline 13 14, solenoid valve 14 and delivery pump 11 are connect with central controller, the central controller controls solenoid valve 14 before conveyer belt 2 starts It opens, by the water discharge part in counterweight water tank 9, avoids conveyer belt 2 from crossing and be tensioned, when conveyer belt 2, which starts, starts loading transport, It can control delivery pump 11 to open according to the data for the weighing sensor 8 that feed bin is arranged in, water supplemented in counterweight water tank 9, then Counterweight increases, and avoids 2 tension of conveyer belt inadequate, the water in counterweight water tank 9 can be flexibly adjusted according to the data of weighing sensor 8 How much is amount, changes the weight of counterweight then to adapt to different launch weights, high degree of automation, and equipment is simple.

Referring to Fig. 2 and Fig. 3,9 upper end end face of counterweight water tank is provided with fixed card slot 15 protruding upward, 10 lower end of tension band It is provided with fixing strip 16 along its length, is provided with one-to-one 3 location holes on fixing strip 16 and fixed card slot 15 17, it is separately provided with standing screw 18, fixing strip 16 and fixed card slot 15 are clamped, and standing screw 18 is arranged in the connection of location hole 17 Fixing strip 16 and fixed card slot 15, are connected with safety rope 19 between counterweight water tank 9 and tension frame 5, setting safety rope 19 can be kept away Exempt to drop after fixed water tank falls off with tension band 10, enhancement device safety, and safety rope 19 and the shaking for weakening fixed water tank, Tension band 10 is clamped by fixing strip 16 and fixed card slot 15,17 weight of location hole on fixing strip 16 and fixed card slot 15 It closes, standing screw 18 is fixedly connected with tension band 10 and counterweight water tank 9 along the insertion of location hole 17, repairs Shi Kefang when needing to clean Just it dismantles.

Referring to Fig. 2 and Fig. 3, be provided with water storage tank 20 below counterweight water tank 9, drainage pipeline 13 and water inlet line 12 with storage Sink 20 connects, and is provided with hopper 21 in tension frame 5 below belt tensioning drum, and the opening of hopper 21 is arranged towards belt tensioning drum Water storage tank 20 can be usually in 20 inner storing water of water storage tank, and without leading to outside the venue drainpipe and water inlet pipe again, conveyer belt 2 is by tensioning When roller, the silt of 2 zone face of conveyer belt adherency can fall downwards, and setting hopper 21 can accept the silt fallen, avoid silt Into the water storage tank 20 of lower section, while silt also being avoided to make place, the silt recoverable that hopper 21 is accepted dirty.

The course of work (principle): a kind of sandstone conveyer belt automatic tensioning mechanism disclosed by the utility model, including frame body 1, Conveyer belt 2 is set up on frame body 1 and in the low one end high setting in one end, further includes the first bend pulley 3 of setting on conveyor belt 2 With second bend pulley 4, tension frame 5 is provided with below the first bend pulley 3 and second bend pulley 4, is set in tension frame 5 It is equipped with belt tensioning drum, conveyer belt 2 is sheathed on downwards belt tensioning drum periphery around the first bend pulley 3 and second bend pulley 4, Tight frame 5 is moved up and down along frame body 1, and tension band 10 is connected with below tension frame 5, and tension band 10 is also connected with downwards counterweight Unit 7 is separately provided with the central controller of control 7 weight fluctuations of counterweight element, is provided in one end of the lower feeding of conveyer belt 2 Weighing sensor 8, weighing sensor 8 are connect with central controller, before the starting of conveyer belt 2, central controller controls counterweight list Member 7 mitigates counterweight and conveyer belt 2 is avoided to cross tensioning when starting, i.e., central controller controls solenoid valve 14 is beaten before conveyer belt 2 starts It opens, by the water discharge part in counterweight water tank 9, avoids conveyer belt 2 from crossing and be tensioned, when conveyer belt 2, which starts, starts loading transport, root It can control delivery pump 11 to open according to the data for the weighing sensor 8 that feed bin is arranged in, water supplemented in counterweight water tank 9, is then matched Increase again, avoid 2 tension of conveyer belt inadequate, the water in counterweight water tank 9 can be flexibly adjusted according to the data of weighing sensor 8 How much, change the weight of counterweight then to adapt to different launch weights, avoids conveyer belt 2 from crossing tensioning or tension deficiency, realize Automatically adjust the function of 2 tensioning degree of conveyer belt.

The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical Within novel protection scope.

Claims (8)

1. a kind of sandstone conveyer belt automatic tensioning mechanism, including frame body (1), conveyer belt (2) are set up on the frame body (1) and are in The low one end high setting in one end, it is characterised in that: further include that the first bend pulley (3) on the conveyer belt (2) and the are set Tension frame (5) are equipped with below two bend pulleys (4), first bend pulley (3) and the second bend pulley (4), institute It states and is equipped with belt tensioning drum in tension frame (5), the conveyer belt (2) changes around first bend pulley (3) and described second It is sheathed on the belt tensioning drum periphery downwards to roller (4), the tension frame (5) moves up and down along the frame body (1), in institute It states and is connected with tension band (10) below tension frame (5), the tension band (10) is also connected with downwards counterweight element (7), separately sets There is the central controller for controlling counterweight element (7) weight fluctuations, is equipped with weighing in one end of conveyer belt (2) lower feeding Sensor (8), the weighing sensor (8) connect with the central controller.

2. a kind of sandstone conveyer belt automatic tensioning mechanism according to claim 1, it is characterised in that: on the frame body (1) Equipped with guide rail (6), in the tension frame (5) vertical edge two sides, the tension frame (5) two is vertical for guide rail (6) setting Side is slidably connected with the guide rail (6).

3. a kind of sandstone conveyer belt automatic tensioning mechanism according to claim 2, it is characterised in that: the first changed course rolling Cylinder (3) setting is in the lower one end end of the conveyer belt (2), and second bend pulley (4) setting is in second changed course Below roller (4), the tension frame (5) is set under first bend pulley (3) and the second bend pulley (4) Side.

4. a kind of sandstone conveyer belt automatic tensioning mechanism according to claim 3, it is characterised in that: the counterweight element It (7) include the counterweight water tank (9) being connect with the tension band (10), the counterweight water tank (9) is in rectangular box shape, the ballast water Case (9) upper end is connect with the tension band (10), and the counterweight water tank (9) is equipped with delivery pump (11), the delivery pump (11) It being connect with the counterweight water tank (9) by water inlet line (12), counterweight water tank (9) side is additionally provided with drainage pipeline (13), The drainage pipeline (13) is equipped with solenoid valve (14), and the solenoid valve (14) and the delivery pump (11) are controlled with the center Device connection processed.

5. a kind of sandstone conveyer belt automatic tensioning mechanism according to claim 4, it is characterised in that: the counterweight water tank (9) upper end end face is equipped with fixed card slot (15) protruding upward, and tension band (10) lower end is equipped with fixing card along its length Item (16), the fixing strip (16) and the fixed card slot (15) are equipped with one-to-one several location holes (17), separately set Have standing screw (18), the fixing strip (16) and the fixed card slot (15) are clamped, and the standing screw (18) is arranged in The location hole (17) is connected and fixed the fixing strip (16) and the fixed card slot (15).

6. a kind of sandstone conveyer belt automatic tensioning mechanism according to claim 5, it is characterised in that: the counterweight water tank (9) it is connected between the tension frame (5) safety rope (19).

7. a kind of sandstone conveyer belt automatic tensioning mechanism according to claim 6, it is characterised in that: the counterweight water tank (9) lower section is equipped with water storage tank (20), and the drainage pipeline (13) and the water inlet line (12) connect with the water storage tank (20) It connects.

8. a kind of sandstone conveyer belt automatic tensioning mechanism according to claim 7, it is characterised in that: the tension frame (5) hopper (21) are equipped with below the belt tensioning drum in, the hopper (21) is located at counterweight water tank (9) upper surface, institute Hopper (21) opening is stated towards the belt tensioning drum.