CN217637641U - Tensioning device for belt weigher - Google Patents

Abstract

The utility model is suitable for a belt weigher technical field provides a belt weigher tensioning device, which comprises a belt weigher body, wherein the belt weigher body consists of a weighing mechanism, a conveying mechanism and a tensioning mechanism, and the weighing mechanism comprises a bottom plate, a base and a weighing sensor; the conveying mechanism comprises a roller, rotating shafts are arranged on two sides of the roller, one end, far away from the roller, of each rotating shaft is connected with a first supporting column, and the roller is connected with a conveying belt; straining device includes the take-up pulley, the take-up pulley passes through ball bearing and is connected with the connecting rod, the second support column is installed at the connecting rod both ends, the connecting rod both sides are passed through the gear and are connected with the spout, the connecting rod passes through the pillar and is connected with the directive wheel, the spout is located inside the second support column, the screw is installed to the second support column, spout internally mounted has the rack, borrow this, the utility model discloses can reduce energy consumption and reduce cost again when improving the degree of accuracy.

Description

Tensioning device for belt weigher

Technical Field

The utility model relates to a belt weigher technical field especially relates to a overspeed device tensioner for belt weigher.

Background

The electronic belt scale consists of a steel mechanical scale frame, a high-precision weight measuring sensor, an electronic belt scale control display instrument and the like, and can continuously and dynamically measure solid materials. The scale frame structure of the electronic belt scale load-bearing device mainly comprises 4 types of double-lever multi-roller type, single-roller type, cantilever type and suspension type. The electronic belt scale of the double-lever multi-roller type and suspension type scale frame has a longer measuring section, generally 2-8 groups of carrier rollers, high measuring accuracy and is suitable for places with larger flow and high measuring accuracy requirements. In present belt weigher use, along with the increase of live time, the strain that belt weigher received can increase, can reduce belt weigher's pulling force simultaneously, can appear phenomenons such as lax, has lead to the decline of the precision that belt weigher weighed. And we can improve the pulling force of belt weigher through tensioning belt weigher to increase the precision of belt weigher. However, in the prior art, the belt scale is mainly driven by a motor or an air cylinder in the aspect of improving the tension force, and the method has the advantage of high precision and can also lead to the improvement of cost and energy consumption.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

To foretell defect, the utility model aims to provide a belt weigher uses overspeed device tensioner, it can pass through the connected mode of gear and rack for straining device can let the staff highly carry out accurate adjustment to concrete when descending, simultaneously, utilize the logical groove on the surface of directive wheel and the screw on the second support column, can connect directive wheel and second support column after the tensioning, thereby reach and carry out the effect fixed to the tensioning position, moreover, also can reduce the energy consumption and reduce the cost through the hand mode of staff.

In order to achieve the purpose, the utility model provides a tensioning device for a belt weigher, which comprises a belt weigher body, wherein the belt weigher body is composed of a weighing mechanism, a conveying mechanism and a tensioning mechanism, the weighing mechanism comprises a bottom plate, a base is arranged on the upper surface of the bottom plate, and a weighing sensor is arranged on the upper surface of the base; the conveying mechanism comprises a roller, rotating shafts are arranged on two sides of the roller, one end, far away from the roller, of each rotating shaft is connected with a first supporting column, and the outer surface of the roller is connected with a conveying belt; straining device includes the take-up pulley, the take-up pulley passes through ball bearing and is connected with the connecting rod, the second support column is installed to connecting rod both ends symmetry, the connecting rod both sides are passed through the gear and are connected with the spout, the connecting rod surface passes through the pillar and is connected with the directive wheel, the spout is located inside the second support column, second support column surface mounting has the screw, spout internally mounted has the rack.

According to the utility model discloses a overspeed device tensioner for belt weigher, the relative side of first support column and second support column is divided and is established the symmetry and install the dead lever, just dead lever and bottom plate fixed connection.

According to the utility model discloses a overspeed device tensioner for belt weigher, the spout top does not have rack structure.

According to the utility model discloses a overspeed device tensioner for belt weigher, the part that the connecting rod is located the spout inside installs the gear.

According to the utility model discloses a overspeed device tensioner for belt weigher, the take-up pulley contacts with the conveyer belt bottom surface.

According to the utility model discloses a overspeed device tensioner for belt weigher, turn to wheel surface mounting and have hollow logical groove, just it runs through to lead to the groove and turns to the wheel surface.

The utility model provides a overspeed device tensioner for belt weigher, when the belt takes place to relax, the staff removes the connecting rod through the directive wheel, the connected mode of rethread connecting rod and take-up pulley, carry out the tensioning to the belt, and the structural feature who utilizes gear and rack can highly carry out accurate assurance to the decline, and the connection that leads to groove and screw can make directive wheel and second support column after the tensioning fix, and simultaneously, through the mode of hand directive wheel, the input of cost is reduced, the loss of energy consumption has been reduced.

Drawings

Fig. 1 is a schematic structural diagram of a perspective view of the present invention.

Fig. 2 is a schematic structural diagram of a top view of the present invention.

Fig. 3 is a schematic structural view of a perspective view of the second support column and the steering wheel of the present invention.

Fig. 4 is a schematic structural view of a perspective view of the weighing mechanism of the present invention.

Fig. 5 is a schematic structural diagram of a rear view of the present invention.

Fig. 6 is a schematic structural view of a front view of the gear and rack structure of the present invention.

In the figure, 1-a motor, 2-a conveyor belt, 3-a roller, 4-a rotating shaft, 5-a bottom plate, 6-a base, 7-a weighing sensor, 8-a first supporting column, 9-a second supporting column, 10-a fixed rod, 11-a connecting rod, 12-a tensioning wheel, 13-a ball bearing, 14-a steering wheel, 15-a supporting column, 16-a gear, 17-a rack, 18-a through groove, 19-a screw hole and 20-a sliding groove.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, unless otherwise explicitly stated or limited in the description of the present invention, the terms "mounted," "connected" and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-6, the utility model provides a tensioner for belt weigher, the utility model comprises a belt weigher body, the belt weigher body is composed of a weighing mechanism, a conveying mechanism and a tensioning mechanism, the weighing mechanism comprises a bottom plate 5, a base 6 is arranged on the upper surface of the bottom plate 5, a weighing sensor 7 is arranged on the upper surface of the base 6, and the weighing sensor 7 can better play a role by the supporting function of the bottom plate 5 and the base 6; the conveying mechanism comprises a roller 3, rotating shafts 4 are arranged on two sides of the roller 3, one end, far away from the roller 3, of each rotating shaft 4 is connected with a first supporting column 8, the outer surface of the roller 3 is connected with the conveying belt 2, and the position of the roller 3 is fixed by the aid of connection among the roller 3, the rotating shafts 4 and the first supporting columns 8; the tensioning mechanism comprises a tensioning wheel 12, the tensioning wheel 12 is connected with a connecting rod 11 through a ball bearing 13, under the action of the ball bearing 13, the connecting rod 11 keeps a stable state when the tensioning wheel 12 rotates, second supporting columns 9 are symmetrically installed at two ends of the connecting rod 11, the connecting rod 11 is fixed through the second supporting columns 9, two sides of the connecting rod 11 are connected with sliding grooves 20 through gears 16, the outer surface of the connecting rod 11 is connected with a steering wheel 14 through a support column 15, the connecting rod 11 is fixedly connected with the steering wheel 14 through the support column 15, the sliding grooves 20 are located inside the second supporting columns 9, screw holes 19 are installed on the outer surface of the second supporting columns 9, racks 17 are installed inside the sliding grooves 20, the sliding grooves 20 can improve the up-and-down moving space for the connecting rod 11, the gears 16 and the racks 17 can enable the connecting rod 11 and the steering wheel 14 to obtain more accurate positions when the connecting rod 11 and the steering wheel 14 move, and the screw holes 19 can enable the steering wheel 14 and the connecting rod 11 to fix the positions, so that the position of the tensioning wheel 12 is prevented from being reversely moved by the reaction force of the conveyor belt 2.

Preferably, the utility model discloses a relative side of first support column 8 and second support column 9 is divided and is established the symmetry and install dead lever 10, and dead lever 10 and bottom plate 5 fixed connection, through the effect of dead lever 10, provides fixed position for bottom plate 5 to prevent that bottom plate 5 from taking place to fall.

Furthermore, the utility model discloses a spout 20 top does not have rack 17 structure, and before not carrying out the tensioning, gear 16 was located the top of spout 20 and did not take place to remove this moment, if gear 16 and rack 17 were connected this moment, so take-up pulley 12 can lead to gear 16 and rack 17 to collide the emergence harm when conveyer belt 2 takes place to rock, in order to reduce the loss of gear 16 and rack 17, so do not be equipped with rack 17 structure at the top of spout 20.

Additionally, the utility model discloses a gear 16 is installed to the part that connecting rod 11 is located spout 20 inside, through gear 16's effect, can make things convenient for connecting rod 11 to remove to and improved connecting rod 11 when descending the assurance to the precision of position.

Further, the utility model discloses a take-up pulley 12 contacts with 3 bottom surfaces of conveyer belt, and take-up pulley 12 and conveyer belt 2's contact can be before not tensioning by conveyer belt 2 drive take-up pulley 12 on the one hand and roll, and on the other hand can utilize the rolling effect between take-up pulley 12 and the conveyer belt 2 when the needs tensioning, is difficult for causing the harm to conveyer belt 2.

Better, the utility model discloses a 14 surface mounting of directive wheel has hollow logical groove 18, and leads to groove 18 and run through directive wheel 14 surface, through the mechanism and the characteristics that lead to groove 18, can be connected logical groove 18 and screw 19 to make directive wheel 14 and connecting rod 11 reach fixed effect, avoid the reaction force of conveyer belt 2 to carry out the bounce-back with take-up pulley 12 behind the tensioning.

The utility model discloses a theory of operation: the method comprises the steps that firstly, a motor 1 is started, rotation of a rotating shaft 4 and a roller 3 is used for driving a conveyor belt 2 to rotate, at the moment, materials on the conveyor belt 2 are weighed by a weighing sensor 7 located above a bottom plate 5 and a base 6, meanwhile, a tension pulley 12 located above the bottom surface of the conveyor belt 2 also rotates, after the conveyor belt 2 operates for a certain time, the conveyor belt 2 is loosened and moves downwards due to the influence of friction and the like, at the moment, a worker rotates a steering wheel 14 to drive a connecting rod 11 to rotate, the gear 16 located inside a sliding groove 20 on the connecting rod 11 can rotate by the rotation of the steering wheel 14, at the moment, the worker can give downward force to the steering wheel 14, so that the connecting rod 11 also moves downwards, the gear 16 located on the connecting rod 11 also moves downwards, the downward movement of the gear 16 can enable the gear 16 to be in contact with a rack 17, the movement of the steering wheel 14 and the connecting rod 11 is convenient, the moving accuracy of the gear 16 can be improved, when the conveyor belt 2 is moved to the tensioned, a plurality of through grooves 18 distributed on the surface of a plurality of through holes 9, and the support columns 19 are connected with each other, and the rebound effect of the support columns is prevented.

To sum up, the utility model provides a belt weigher is with overspeed device tensioner, when the belt takes place to relax, the staff removes the connecting rod through the directive wheel, the connected mode of rethread connecting rod and take-up pulley, carry out the tensioning to the belt, the structural feature who utilizes gear and rack moreover can highly carry out accurate assurance to the decline, and the connection that leads to groove and screw can make directive wheel and second support column after the tensioning fix, simultaneously, through the mode of hand directive wheel, the input of cost is reduced, the loss of energy consumption has been reduced.

Of course, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it is intended that all such modifications and variations be considered within the spirit or scope of the present invention as defined by the appended claims.

Claims (6)

1. The utility model provides a overspeed device tensioner for belt weigher which characterized in that: the belt scale comprises a belt scale body, wherein the belt scale body is composed of a weighing mechanism, a conveying mechanism and a tensioning mechanism, the weighing mechanism comprises a bottom plate, a base is arranged on the upper surface of the bottom plate, and a weighing sensor is arranged on the upper surface of the base;

the conveying mechanism comprises a roller, rotating shafts are arranged on two sides of the roller, one end, far away from the roller, of each rotating shaft is connected with a first supporting column, and the outer surface of the roller is connected with a conveying belt;

straining device includes the take-up pulley, the take-up pulley passes through ball bearing and is connected with the connecting rod, the second support column is installed to connecting rod both ends symmetry, the connecting rod both sides are passed through the gear and are connected with the spout, the connecting rod surface passes through the pillar and is connected with the directive wheel, the spout is located inside the second support column, second support column surface mounting has the screw, spout internally mounted has the rack.

2. The tensioner for a belt scale of claim 1, wherein: the opposite side surfaces of the first supporting column and the second supporting column are symmetrically provided with fixing rods, and the fixing rods are fixedly connected with the bottom plate.

3. The tensioner for a belt scale of claim 1, wherein: the top of the chute is not provided with a rack structure.

4. The tensioner for a belt scale of claim 1, wherein: the part of the connecting rod, which is positioned in the sliding groove, is provided with a gear.

5. The tensioner for a belt scale of claim 1, wherein: the tensioning wheel is in contact with the bottom surface of the conveying belt.

6. The tensioner for a belt scale of claim 1, wherein: the surface of the steering wheel is provided with a hollow through groove, and the through groove penetrates through the surface of the steering wheel.

Images