CN214166323U - Rotary vertical elevator with overturn-preventing device - Google Patents

Abstract

The utility model discloses a rotation vertical elevator with prevent device that topples, including base, frame, cylinder, rack-mount is on the base, and the cylinder is located the frame, and cylinder barrel fixed surface is provided with the raceway, and the raceway is concentric with the barrel, and the frame top still is provided with two at least devices that prevent toppling, and the raceway contact setting of prevent device and cylinder. Two overturn-preventing devices are symmetrically arranged on two sides of the upper portion of the rack, and one structure is that a compression spring is arranged, so that a pressing wheel is always in contact with a roller path of the roller, a pretightening force is applied, an overturn moment generated in the running process of the roller is offset, and the stable running of the roller is guaranteed. Meanwhile, flanges are arranged on two sides of the pressing wheel, and the flanges can block the roller from overturning in extreme conditions. Another construction uses catch wheels. The overturn preventing device is also provided with a limit switch, and when the roller deflects or jumps beyond a set value, the limit switch is started to cut off the power supply of the driving device, so that the roller stops running.

Description

Rotary vertical elevator with overturn-preventing device

Technical Field

The utility model belongs to the conveying machinery field, concretely relates to rotation vertical elevator who has anti-overturning device that carries out the perpendicular transport of loose material.

Background

The conveying machines can be classified according to their structural features into conveyors with flexible members (the traction member is a reciprocating closed system, such as a belt conveyor, a chain conveyor, a bucket elevator, etc.) and conveyors without flexible members (the material is conveyed in a certain direction by the rotary motion or vibration of the working member, the member does not have a reciprocating form, such as a screw conveyor, a vibrating conveyor, etc.).

In traditional grit aggregate production line, the transfer, the conveying of material need carry out between the crushing equipment of difference, use belt conveyor to accomplish above-mentioned work at present usually. The belt conveyor has the characteristics of strong conveying capacity, long conveying distance and the like, but because the belt conveyor can only be obliquely arranged within an angle of 15-20 degrees, crushing equipment is generally arranged on the same plane, and the height difference is 4-8 meters, the distance between the equipment is increased only when the material is required to be conveyed to the feeding port of the crushing equipment with the corresponding height. The length and the use amount of the corresponding belt conveyor are greatly increased, more land resources are occupied, the cost and the energy consumption are increased, and sometimes the cost of the belt conveyor even accounts for more than 50% of the cost of the whole production line. Under increasingly strict environmental protection pressure, the investment and operation energy consumption of a dust removal system also cause the preparation cost of the aggregate to be greatly improved, and the competitiveness of the product is reduced.

The rotary vertical elevator has the important components that the drum is a steel structure or other metal structure, the height of the drum can reach 6 meters generally, and the drum with the large size has large dead weight, and the weight is higher after materials are contained in the drum, so that special structures are needed to ensure the structural stability of the drum and prevent the drum from overturning.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotation vertical elevator with prevent device that topples can guarantee the steady operation of cylinder.

The utility model adopts the technical proposal that: the rotary vertical elevator with the overturn preventing device comprises a base, a rack and a roller, wherein the rack is installed on the base, the roller is located in the rack, a roller path is fixedly arranged on the outer surface of a roller body of the roller, the roller path and the roller body are concentric, at least two overturn preventing devices are arranged above the rack, and the overturn preventing devices are arranged in contact with the roller path of the roller.

One end of the overturn preventing device is fixed on the rack, the other end of the overturn preventing device is movably connected with a raceway pressing mechanism, and a raceway pressing mechanism adjusting mechanism is further connected above the raceway pressing mechanism.

The roller path pressing mechanism comprises an adjusting bracket and two pressing wheels arranged at the tail end of the adjusting bracket, the axes of the pressing wheels are parallel to the axis of the roller, the two pressing wheels are symmetrically arranged and are arranged at two sides of the roller path in a row, and a flange is arranged at one side of the outer edge of each pressing wheel, which is far away from the roller path; the adjusting mechanism of the roller path pressing mechanism comprises an adjusting pull rod I, a limiting device is arranged at the end part of the adjusting pull rod I, and a compression spring is sleeved on the adjusting pull rod I.

The roller path pressing mechanism comprises an adjusting bracket and a blocking wheel arranged at the tail end of the adjusting bracket, the axis of the blocking wheel is perpendicular to the axis of the roller, and the outer diameter of the blocking wheel is in contact with two end faces of the roller path; the adjusting mechanism of the roller path pressing mechanism comprises an adjusting pull rod I, a limiting device and an adjusting nut are arranged at the end part of the adjusting pull rod I, and the adjusting nut is located on the outer side of the limiting device.

The overturn preventing device is also provided with a limit switch, the limit switch is arranged on the rack, and the limit switch is electrically connected with the speed reducing motor in series.

The frame is an n-type frame structure, the two n-type frame structures are symmetrically arranged, and the roller is positioned between the two n-type frame structures and partially penetrates through the n-type frame structures.

The utility model has the advantages of: two overturn-preventing devices are symmetrically arranged on two sides of the upper portion of the rack, and one structure is that a compression spring is arranged, so that a pressing wheel is always in contact with a roller path of the roller, a pretightening force is applied, an overturn moment generated in the running process of the roller is offset, and the stable running of the roller is guaranteed. Meanwhile, flanges are arranged on two sides of the pressing wheel, and the flanges can block the roller from overturning in extreme conditions. Another construction uses catch wheels. The overturn preventing device is also provided with a limit switch, and when the roller deflects or jumps beyond a set value, the limit switch is started to cut off the power supply of the driving device, so that the roller stops running.

Drawings

Fig. 1 is a schematic structural diagram of a rotary vertical elevator.

Fig. 2 is a schematic view of the structure of the drum.

Fig. 3 is a schematic view of a drum inner partition.

Fig. 4 is a schematic view of the structure of the buffer device.

Fig. 5 is a schematic view of the structure of the riding wheel.

Fig. 6 is a schematic structural view of the limiting device.

Fig. 7 is a schematic structural view of the stock stop.

Fig. 8 is another structural schematic diagram of the stock stop device.

Fig. 9 is a partially enlarged view of a portion a in fig. 7.

Fig. 10 is a schematic diagram of an included angle between a belt and the outer side of an arc-shaped side plate in the material blocking device.

Fig. 11 is a schematic structural view of an anti-overturn device.

Fig. 12 is a schematic structural view of another overturn preventing device.

Fig. 13 is a schematic view of the structure of the drive means and the tensioning means.

Fig. 14 is a schematic structural view of the driving device.

Fig. 15 is a schematic view of yet another drive mechanism.

Fig. 16 is a schematic view of another structure of the rotary vertical elevator.

Fig. 17 is a schematic view of the operation state of the rotary vertical elevator.

Fig. 18 is a schematic view of the space occupation between adjacent crushing devices when using a conventional belt conveyor.

Fig. 19 is a schematic view of the space occupation between adjacent crushing plants after use of the invention.

In the figure, 1-base, 2-frame, 3-roller, 31-clapboard, 32-roller path, 33-loop chain guide groove, 34-block, 4-riding wheel, 41-bearing seat, 42-supporting shaft, 43-supporting hub, 44-wheel rim, 5-limiting device, 51-loop chain, 52-limiting wheel, 53-Y shaped rubber sealing strip, 6-material blocking device, 61-side plate, 62-supporting rod, 63-belt supporting roller, 64-guiding roller, 65-tensioning roller, 66-belt, 67-transverse bulge, 68-adjusting device, 681-limiting block, 682-shaft, 683-limiting nut, 69-chain plate, 691-connecting card, 7-overturn-preventing device, 71-fixed bracket, 72-adjusting support, 73-adjusting tension rod I, 74-compression spring, 75-pressing wheel, 76-catch wheel, 77-adjusting nut, 78-limit switch, 8-tensioning device, 81-tensioning wheel, 82-swinging frame, 83-swinging frame support, 84-backstop, 9-driving device, 91-speed reducing motor, 92-endless chain sprocket, 93-spring I, 94-adjusting tension rod II, 95-pin shaft, 96-pin toothed sprocket, 97-coupler, 98-rubber cushion, 10-feeding belt, 11-discharging belt, 111-discharging belt I, 112-discharging belt II, 12-buffer device, 121-buffer plate, 122-rubber press plate, 123-fixing seat, 124-square steel, 125-buffer rubber, 16-distributor, 17-crusher I, 18-crusher II, 19-belt conveyor and 20-rotary vertical elevator.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1, 2 and 3, the rotary vertical elevator 20 includes a base 1, a frame 2, and a drum 3, wherein the frame 2 is installed on the base 1, the drum 3 is located in the frame 2, the frame has a frame structure, the inner width of the frame is greater than the outer width of the drum, a raceway is fixedly arranged on the outer surface of the drum body, the raceway is concentric with the drum body, at least two overturn prevention devices 7 are arranged above the frame 2, and the overturn prevention devices 7 are arranged in contact with the raceway 32 of the drum. As shown in fig. 1, the two overturn-preventing devices are symmetrically arranged above the frame, and in order to improve the overturn-preventing effect, the two overturn-preventing devices can also be symmetrically arranged below the frame.

As shown in fig. 11 and 12, the overturn preventing device 7 includes a fixing bracket 71, an adjusting bracket 72, a raceway pressing mechanism and a raceway pressing mechanism adjusting mechanism, the fixing bracket 71 is fixed on the frame 2, the lower end of the fixing bracket 71 is movably connected with the adjusting bracket 72, and the other end of the adjusting bracket 72 is connected with the raceway pressing mechanism and the raceway pressing mechanism adjusting mechanism.

The adjusting mechanism of the raceway pressing mechanism comprises an adjusting pull rod I73 movably connected with an adjusting bracket 72 and a fixed bracket 71, a compression spring 74 is sleeved on the adjusting pull rod I73, and the compression spring 74 is positioned between the adjusting bracket 72 and the fixed bracket 71; the roller path pressing mechanism comprises two pressing wheels 75 arranged at the tail end of the adjusting bracket 72, the two pressing wheels are symmetrically arranged on two sides of the split roller path 32, the axes of the pressing wheels are parallel to the axis of the roller, and a flange is arranged on one side of the outer edge of the pressing wheel, which is far away from the roller path; the two are used in cooperation with each other.

The adjusting mechanism of the roller path pressing mechanism has another form, and an adjusting nut 77 is arranged at the end, extending out of the fixed bracket 71, of the upper end of the adjusting pull rod I73; the raceway pressing mechanism comprises a blocking wheel 76 arranged at the tail end of the adjusting bracket 72, the axis of the blocking wheel is perpendicular to the axis of the roller, and the outer diameter of the blocking wheel is in contact with two end faces of the raceway. The clearance between the blocking wheel and the roller path is adjusted through the nut, friction is avoided, the adjusting screw rod floats during working, if the roller displaces, the blocking wheel can be lifted in a follow-up mode, and at the moment, power is cut off through the limit switch.

One structure of the overturn preventing device is that a compression spring is arranged, so that the pressing wheel is always in contact with the roller path of the roller, a pretightening force is applied to offset the overturn moment generated in the running process of the roller, and the stable running of the roller is ensured. Meanwhile, flanges are arranged on two sides of the pressing wheel, and the flanges can block the roller from overturning in extreme conditions. Another construction uses catch wheels similar to the limit device.

The overturn preventing device 7 is further provided with a limit switch 78, as shown in fig. 11, the limit switch 78 is arranged on the fixed support, and the limit switch is electrically connected with the speed reducing motor in series. And a limit switch is arranged, and when the roller deflects or jumps to exceed a set value, the limit switch is started to cut off the power supply of the driving device, and the roller stops running. The driving device is connected with the backstop, and the backstop can lock the roller once the reverse rotation condition occurs.

As shown in fig. 1, 2 and 6, the rotary vertical elevator 20 further comprises two riding wheels 4, two riding wheels 4 are arranged on the horizontally arranged base 1, the riding wheels 4 are symmetrically arranged on two sides of the base 1, and the rotary axes of the riding wheels 4 are arranged in parallel with the horizontal plane; the outer surface of the roller is fixedly provided with a roller path 32, the roller path 32 is concentric with the roller 3, the roller path 32 is in contact with the riding wheel 4, and the rotation axis of the roller path 32 is parallel to the rotation axis of the riding wheel 4.

The outer side of the roller path 32 is fixedly provided with a ring chain guide groove 33, the ring chain guide groove 33 is uniformly and fixedly provided with a stopper 34 for stopping a ring chain 51, see fig. 2, the included angle between the distance between two adjacent stoppers and the circle center of the roller is 45-180 degrees, the optimal angle is 90 degrees, namely four stoppers are uniformly arranged on the whole circumference of the ring chain guide groove.

As shown in fig. 5, the riding wheel 4 includes two bearing seats 41, a supporting shaft 42 is installed in the middle of the two bearing seats, two supporting hubs 43 are disposed on the supporting shaft 42, a rim 44 is movably installed on each supporting hub, and the rim 44 is made of a polymer material.

As shown in fig. 6, a limiting device 5 is arranged at the central position of the two supporting rollers of the base, two limiting wheels 52 are mounted on the limiting device 5, and the limiting wheels 52 are respectively located at two sides of the roller path 32 on the roller and are respectively arranged in contact with two end faces of the roller path. A limiting device is arranged in the middle of the base and aims to restrain the roller from moving along the axial direction of the roller.

Be equipped with the cavity of carrying material in the cylinder, the directional cylinder axis of revolution of opening direction, be equipped with dam device 6 in the cylinder 3 of the top of one side of rotatory promotion material, the dam device upper end is passed through the upper bracket and is connected with the frame, the lower extreme passes through the lower bracket and is connected with the frame, be equipped with the follower on the dam device 6, the material rises along with the cylinder, when moving dam device 6, the follower rotates with 3 synchronous rotations of cylinder and makes the material in the cavity form relative synchronous transport state with dam device 3.

As shown in fig. 7, the material blocking device 6 includes two arc-shaped side plates 61 symmetrically arranged, the circle center of the arc shape coincides with the circle center of the roller, a plurality of support rods 62 and a plurality of belt supporting rollers 63 are arranged between the two side plates 61, a guide roller 64 is arranged at the upper end between the two side plates 61, a tensioning roller 65 is arranged at the lower end, the distance between the tensioning roller 65 and the outer side of the side plate 61 is greater than the distance between the guide roller 64 and the outer side of the side plate 61, an annular belt 66 is sleeved on the outer sides of the guide roller 64, the belt supporting rollers 63 and the tensioning roller 65, the width of the belt 66 is greater than that of the roller 3, the following mechanism includes a partition plate 31 arranged in a roller cavity and a transverse protrusion 67 arranged on the outer surface of the belt of the material blocking device, the interval between the adjacent transverse protrusions 67 is equal to the arc length of the adjacent partition plate 31 in the roller, and the transverse protrusion 67 is in contact with the partition plate 31 in the roller, as shown in fig. 17. The partition plates of the roller can be uniformly arranged, can be non-uniformly arranged, and are preferably uniformly arranged, so that the balance of the roller is better than that of the non-uniformly arranged partition plates.

As shown in fig. 8, link plates 69 connected end to end are sleeved outside the guide roller, the belt supporting roller and the tensioning roller of the material blocking device, adjacent link plates are hinged together by a connecting clamp 691, and the width of the link plate 69 is larger than that of the roller; the servo mechanism comprises a partition plate arranged in the cavity and transverse bulges arranged on the outer surface of a chain plate of the material blocking device, the interval between every two adjacent transverse bulges is equal to the arc length of the adjacent partition plate in the roller, and the transverse bulges are in contact with the partition plate in the roller.

The cavity for carrying materials is arranged in the roller, a partition plate can be arranged in the roller, as shown in fig. 3, the included angle alpha between a partition plate 31 and a radial line of a rotary center of the roller 3 along the rotation direction of the roller is 0-50 degrees, the optimal angle value is 30 degrees, the roller and the partition plate form a split storage space, or bucket wheel type storage, a bulge or a hook is arranged on the upper outer surface of a bucket wheel, a clamping groove or a hanging ring matched with the bulge is arranged on a belt or a chain plate of a material blocking device, or a clamping groove or a hanging ring is arranged on the bucket wheel, a bulge or a hook is arranged on the belt or the chain plate of the material blocking device, the bulge is matched with the clamping groove and matched with the hanging ring, or other mechanisms enable the bucket wheel and the belt or the chain plate to move along with each other mechanisms, so that the materials in the bucket wheel and the material blocking device form a relative synchronous transmission state without sliding friction. The bucket wheel storage mode is the prior art, sets up arch or link or couple on the bucket wheel, sets up draw-in groove or link or couple with it matched with on the belt or the link joint, also is prior art, and this application does not do the detailed description.

The tensioning roller 65 is mounted on the side plate 61 by means of an adjustment 68 along which the tensioning roller can slide. As shown in fig. 9, the adjusting device is formed by fixing a limiting block 681 with a slot or a hole on the arc-shaped side plate near the tensioning roller, the end of the tensioning roller is fixed with a shaft 682, the shaft slides in the slot of the block, and the part of the shaft extending out of the block is provided with a limiting nut 683, so that the tensioning roller can realize the tensioning function. Of course, other structures are possible as long as the tensioning function of the tensioning roller can be achieved, and the adjusting device is not limited herein, but is only one form capable of achieving adjustment.

The distance between the outermost side of the material blocking device 6 and the innermost side of the roller 3, namely the distance between the belt and the partition plate (the height of the partition plate and the side wall of the roller is equal to each other) is 10-30mm, and preferably 20 mm. The height of the transverse projection 67 on the belt 66 is 30-50mm, and the optimum height of the transverse projection is 40 mm. There is the clearance between dam device and the cylinder, prevents to produce the friction, and the horizontal arch on the belt only contacts with the baffle in the cylinder, and the cylinder rotates, drives the belt and understands, realizes dam device and cylinder follow-up.

As shown in fig. 10, the belt 66 forms an angle with the outside of the arc-shaped side plate 61 between the tension roller 65 and the nearest belt supporting roller 63, the angle β is 10-30 °, and the optimal angle value is 20 °.

As shown in fig. 6, Y-shaped rubber sealing strips 53 are disposed on two side walls of the drum 3, so as to reduce leakage of materials.

As shown in fig. 13, 14 and 15, a driving device 9 is disposed on one side of the base 1, the driving device 9 includes a speed reduction motor 91 and a plurality of pin shafts 95 disposed on the drum, the driving device has two forms, one is a pin tooth structure, and the other is a ring chain structure, the pin tooth structure is a pin tooth sprocket 96 disposed on the speed reduction motor, the pin tooth sprocket 96 is disposed in contact with the pin shafts 95, the ring chain structure is a ring chain sprocket 92 disposed on the speed reduction motor 91, and the ring chain sprocket 92 is disposed in contact with the pin shafts 95.

Above the drive means, a tensioning device 8 is arranged, and an endless chain 51 forms a closed loop around the outside of the drum 3, the drive means 9 and the tensioning device 8.

The tensioning device 8 comprises a tensioning wheel 81, a swing frame 82, a swing frame support 83, an adjusting pull rod II 94 and a spring I93, wherein the tensioning wheel 81 is installed on the swing frame 82, the swing frame 82 is installed on the swing frame support 83, the adjusting pull rod II 94 is installed on the swing frame support 83, the other end of the adjusting pull rod II 94 is connected with the swing frame 82, and the spring I93 is installed on the adjusting pull rod II 94.

As shown in fig. 13 and 14, the reduction motor 91 is connected to the check device 84, the check device is connected to and driven by the chain sprocket 92 through the coupling 97, the check device 84 is connected to the base 1 through the swing frame support 83, and the check device is mounted on the swing frame support 83 on the tensioner through the rubber cushion 98 and the bolt, so that the check device has a certain degree of freedom of movement on the swing frame support. The purpose that sets up like this is even when the condition with the eccentric motion of endless chain sprocket appears in installation or operation in-process for the shaft coupling, also can adjust through the relative motion of backstop on the rubber cushion, makes backstop, shaft coupling and endless chain sprocket remain the coaxial rotation all the time, has improved drive arrangement, shaft coupling and backstop's availability factor. Meanwhile, the structural design and the machining precision requirement are simplified, and the manufacturing cost is reduced.

As shown in FIG. 4, when the particle size of the fed material is larger, the impact is generated on the roller, the roller may be damaged, and a buffer device can be arranged outside the partition plate to reduce the impact of the material on the roller. Buffer 12, including buffer board 121, cushion rubber 125, fixing base 123, rubber pressing plate 122, buffer board both ends fixed mounting has square steel 124, and square steel symmetry sets up, stretches out buffer board 121, and square steel is close to the plane of buffer board and is 45 settings with the buffer board plane.

As shown in fig. 1, 16 and 17, the rotary vertical elevator 20 further includes a feeding belt conveyor 10 and a discharging belt conveyor 11, wherein a discharge port of the feeding belt conveyor 10 is disposed at a lower portion of the inner side of the drum 3, and a feeding port of the discharging belt conveyor 11 is disposed at an upper portion of the inner side of the drum 3.

As shown in fig. 16, a distributor 16 is arranged below the end of the material blocking device in the roller, the distributor 16 is mounted on the frame, a discharge belt conveyor I111 and a discharge belt conveyor II112 are arranged at the outlet of the distributor, and the discharge belt conveyors I111 and the discharge belt conveyor II112 are arranged on two sides of the roller.

The lifting method of the rotary vertical lifter comprises the following steps: when the materials to be lifted enter the roller from a feeding port of the feeding belt conveyor, the roller rotates to drive the materials to move upwards; the roller continues to rotate, the angles of the partition boards and the horizontal plane gradually change, the materials gradually flow towards the opening of the roller, before the materials do not flow out, the tops of the corresponding partition boards are in contact with the transverse protrusions on the belt horns or the chain plates to drive the belt or the chain plates to move synchronously, and at the moment, the materials are limited in the roller under the shielding of the belt or the chain plates; the cylinder continues to rotate, and when the baffle crossed the belt or link joint top, the material lost the sheltering from of belt or link joint and relied on the dead weight whereabouts, got into the pan feeding mouth of ejection of compact belt feeder, was carried away.

The utility model discloses a set up rotatable cylinder to set up the baffle in the cylinder, the cylinder forms into format storage space, along with the rotation of cylinder, the horizontal arch on corresponding baffle top and the belt of stock stop or the link joint contacts, drives belt or link joint synchronous motion, realizes that stock stop can move along with the cylinder, has realized the vertical lifting of material, each part does not have sliding friction basically with the material in the course of the work, long service life, the energy consumption is low, the down time is short, the maintenance cost is low.

Two overturn-preventing devices are symmetrically arranged on two sides above the rack, and one structure is that a compression spring is arranged, so that a pressing wheel is always in contact with a roller path of the roller, a pretightening force is applied, an overturn moment generated in the running process of the roller is offset, and the stable running of the roller is ensured. Meanwhile, flanges are arranged on two sides of the pressing wheel, and the flanges can block the roller from overturning in extreme conditions. Another construction uses catch wheels. The anti-overturning device is also provided with a limit switch, when the roller deflects or jumps beyond a set value, the limit switch is started to cut off the power supply of the driving device, the roller stops running, and the anti-overturning device ensures the stable structure of the roller and prevents the roller from overturning.

The backstop is arranged on the swing frame bracket on the tensioning device through a rubber cushion and a bolt, so that the backstop has certain freedom of movement on the swing frame bracket. The purpose that sets up like this is even when the condition with the eccentric motion of endless chain sprocket appears in installation or operation in-process for the shaft coupling, also can adjust through the relative motion of backstop on the rubber cushion, makes backstop, shaft coupling and endless chain sprocket remain the coaxial rotation all the time, has improved drive arrangement, shaft coupling and backstop's availability factor. Meanwhile, the structural design and the machining precision requirement are simplified, and the manufacturing cost is reduced.

The rotary vertical elevator is adopted, so that the connection distance between adjacent crushing equipment of the sandstone aggregate production line is at least shortened by more than 65%, the occupied area is reduced by more than 5 times, the investment of the production line is greatly reduced, the closed dust removal treatment of the production line is easier to carry out, the dust removal energy consumption is obviously reduced, and favorable conditions are provided for the development concepts of improving dust pollution and adapting to green environmental protection. Meanwhile, the use of belt conveyors is greatly reduced, and the investment cost of a production line is reduced. Carry the material through belt conveyor 19 between breaker I17 and breaker II 18 in traditional grit aggregate production line, occupation space is big, as shown in fig. 18, promotes the transported substance material through rotation vertical elevator 20 between breaker I17 and the breaker II 18 in this application, takes up an area of for a short time, as shown in fig. 19, can see out through comparing fig. 18 and fig. 19 and use the utility model discloses the saving space resource that later can be great.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. Rotation vertical lift with prevent device that topples, its characterized in that: the anti-overturning device comprises a base, a rack and a roller, wherein the rack is arranged on the base, the roller is positioned in the rack, a roller path is fixedly arranged on the outer surface of a roller body, the roller path is concentric with the roller body, at least two anti-overturning devices are further arranged above the rack, and the anti-overturning devices are in contact with the roller path of the roller.

2. Rotary vertical lift with anti-overturning device according to claim 1 characterized by: one end of the overturn preventing device is fixed on the rack, the other end of the overturn preventing device is movably connected with a raceway pressing mechanism, and a raceway pressing mechanism adjusting mechanism is further connected above the raceway pressing mechanism.

3. Rotary vertical lift with anti-overturning device according to claim 1 characterized by: the roller path pressing mechanism comprises an adjusting bracket and two pressing wheels arranged at the tail end of the adjusting bracket, the axes of the pressing wheels are parallel to the axis of the roller, the two pressing wheels are symmetrically arranged and are arranged at two sides of the roller path in a row, and a flange is arranged at one side of the outer edge of each pressing wheel, which is far away from the roller path; the adjusting mechanism of the roller path pressing mechanism comprises an adjusting pull rod I, a limiting device is arranged at the end part of the adjusting pull rod I, and a compression spring is sleeved on the adjusting pull rod I.

4. Rotary vertical lift with anti-overturning device according to claim 1 characterized by: the roller path pressing mechanism comprises an adjusting bracket and a blocking wheel arranged at the tail end of the adjusting bracket, the axis of the blocking wheel is perpendicular to the axis of the roller, and the outer diameter of the blocking wheel is in contact with two end faces of the roller path; the adjusting mechanism of the raceway pressing mechanism comprises an adjusting pull rod I, a limiting device and an adjusting nut are arranged at the end part of the adjusting pull rod I, and the adjusting nut is located on the outer side of the limiting device.

5. Rotary vertical lift with anti-overturning device according to claim 1 characterized by: the overturn preventing device is also provided with a limit switch, the limit switch is arranged on the rack, and the limit switch is electrically connected with the speed reducing motor in series.

6. Rotary vertical lift with anti-overturning device according to claim 1 characterized by: the frame is an n-type frame structure, the two n-type frame structures are symmetrically arranged, and the roller is positioned between the two n-type frame structures and partially penetrates through the n-type frame structures.

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