CN213929334U - Temporary storage machine belt tensioning device - Google Patents
Temporary storage machine belt tensioning device Download PDFInfo
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- CN213929334U CN213929334U CN202023033256.2U CN202023033256U CN213929334U CN 213929334 U CN213929334 U CN 213929334U CN 202023033256 U CN202023033256 U CN 202023033256U CN 213929334 U CN213929334 U CN 213929334U
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- belt
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- fixed
- temporary storage
- storage machine
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Abstract
The utility model relates to a belt tensioning device field, concretely relates to temporary storage machine belt tensioning device. Include the action wheel of connecting through the belt and follow the driving wheel, the pendulum rod rotates through the pivot and sets up at the action wheel and from between the driving wheel, the pendulum rod both ends all rotate and are provided with the take-up pulley, the belt is located between two tight pulleys, be fixed with two fixed plates on the machine of keeping in of belt one side, be fixed with vertical square pole between two fixed plates, it is provided with the depression bar to slide on the square pole, the cover is equipped with the spring on the square pole between the fixed plate of depression bar and top, pendulum rod one side is fixed with the dead lever, dead lever one end is rotated and is provided with the guide pulley, the take-up pulley tightly supports the belt part of its one side, threaded connection has positioning bolt on the fixed plate of below, be provided with tensile force micromatic setting on the depression bar. The utility model discloses, through the elasticity that relies on the spring, can make the belt be in invariable tensile force, can adjust the tensile force of belt, conveniently change the belt.
Description
Technical Field
The utility model relates to a belt tensioning device field, concretely relates to temporary storage machine belt tensioning device.
Background
In the mechanical industry, belt tensioning devices are widely applied to various fields, and generally, bolts or pinch rollers are used for adjusting the tightness of synchronous belts. But when in use, the structure is complex, the installation is inconvenient and the cost is high. The belt tensioning device of the temporary storage machine generally adopts a mode of fixing a synchronous belt pulley by bolts, and after the belt tensioning device is used for a period of time, parts are easy to loosen, so that tension is reduced, and the belt tensioning device needs to be readjusted, thereby being inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that one kind can make the belt remain certain tensile force all the time, can carry out the machine belt tightener of keeping in who adjusts to the tensile force of belt simultaneously.
In order to realize the purpose, the utility model provides a technical scheme is:
a temporary storage machine belt tensioning device comprises a driving wheel and a driven wheel which are connected through a belt, a swing rod is rotatably arranged between the driving wheel and the driven wheel through a rotating shaft, the rotating shaft is positioned in the center of the swing rod, a connecting line of the axis of the driving wheel and the axis of the driven wheel passes through the axis of the rotating shaft, tensioning wheels are rotatably arranged at two ends of the swing rod, a belt is positioned between two tensioning wheels, two fixing plates which are arranged up and down are fixed on the temporary storage machine at one side of the belt, a vertical square rod is fixed between the two fixing plates, a pressing rod is slidably arranged on the square rod, a spring is sleeved on the square rod between the pressing rod and the upper fixing plate, a fixing rod is fixed at one side of the swing rod close to the pressing rod, a guide wheel is rotatably arranged at one end of the fixing rod far away from the swing rod, the guide wheel is in rolling contact with the lower end of the pressing rod, the tensioning wheel tightly abuts against the belt part at one side of the pressing rod, a positioning bolt is in threaded connection with the fixing plate at the lower part, and corresponds to the pressing rod, the pressure lever is provided with a tension fine adjustment device.
Specifically, tensile force micromatic setting is including running through the depression bar and rather than threaded connection's adjusting screw, and adjusting screw tip rotates and is connected with the fly leaf, and the fly leaf lower extreme is fixed with the voussoir, and the inclined plane of voussoir is located the below, and the inclined plane of voussoir is close to the one end downward sloping of fly leaf, and the guide pulley is located between voussoir and the square bar, the up end and the depression bar lower extreme sliding contact of voussoir.
Specifically, a plurality of polished rods are fixed on the movable plate and are in sliding fit with the pressure rod.
Specifically, the pressure lever is perpendicular to the square bar.
Specifically, the axis connecting line of the two tight wheels passes through the axis of the rotating shaft.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses, simple structure, convenient operation through the elasticity that relies on the spring, can make the belt be in invariable tensile force, can adjust the tensile force of belt, conveniently changes the belt, carries out tensioning simultaneously to the both sides of belt, and belt overspeed device tensioner's range of motion is less, and required installation space is little, and holistic compact structure.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of the area a in fig. 1.
Detailed Description
As shown in fig. 1-2, a temporary storage machine belt tensioning device comprises a driving wheel 1 and a driven wheel 2 connected by a belt 17, a swing rod 4 is rotatably arranged between the driving wheel 1 and the driven wheel 2 by a rotating shaft 3, the rotating shaft 3 is positioned in the center of the swing rod 4, the connecting line of the axes of the driving wheel 1 and the driven wheel 2 passes through the axis of the rotating shaft 3, tensioning wheels 5 are rotatably arranged at both ends of the swing rod 4, the connecting line of the axes of the two tensioning wheels 5 passes through the axis of the rotating shaft 3, the belt 17 is positioned between the two tensioning wheels 5, two fixing plates 8 arranged up and down are fixed on the temporary storage machine at one side of the belt 17, a vertical square bar 7 is fixed between the two fixing plates 8, a pressing rod 10 is slidably arranged on the square bar 7, the pressing rod 10 is perpendicular to the square bar 7, a spring 11 is sleeved on the square bar 7 between the pressing rod 10 and the fixing plate 8 above, and a fixing rod 6 is fixed at one side of the swing rod 4 close to the pressing rod 10, the end, far away from the swing rod 4, of the fixed rod 6 is rotatably provided with a guide wheel 16, the guide wheel 16 is in rolling contact with the lower end of a pressure lever 10, the tension wheel 5 tightly abuts against a belt 17 on one side of the pressure lever, a positioning bolt 9 is in threaded connection with a fixed plate 8 below the tension wheel, the positioning bolt 9 corresponds to the pressure lever 10, and a tension force fine-adjustment device is arranged on the pressure lever 10.
The tension force fine adjustment device comprises an adjusting screw 12 penetrating through the compression rod 10 and in threaded connection with the compression rod 10, the end portion of the adjusting screw 12 is rotatably connected with a movable plate 13, a plurality of polished rods 14 are fixed on the movable plate 13, the polished rods 14 are in sliding fit with the compression rod 10, a wedge block 15 is fixed at the lower end of the movable plate 13, the inclined plane of the wedge block 15 is located below, one end, close to the movable plate 13, of the inclined plane of the wedge block 15 inclines downwards, a guide wheel 16 is located between the wedge block 15 and the square rod 7, and the upper end face of the wedge block 15 is in sliding contact with the lower end of the compression rod 10.
The utility model discloses during the use, spring 11 extrudees depression bar 10, depression bar 10 makes pendulum rod 4 swing through guide pulley 16 and dead lever 6, the take-up pulley 5 of 4 both sides of pendulum rod tightly supports the belt 17 part of its one side, thereby make the belt 17 tensioning, under spring 11's elastic force, belt 17 keeps invariable tensile force, when needs are adjusted belt 17's tensile force, rotate adjusting bolt 12, make fly leaf 13 be close to depression bar 10, the inclined plane and the guide pulley 16 contact of voussoir 15, the distance between depression bar 10 and the dead lever 6 increases this moment, spring 11 is extruded, spring 11 is to the elasticity increase of depression bar 10, thereby take-up pulley 5 increases belt 17's extrusion force, belt 17's grow tensile force. When the belt 17 needs to be replaced, the positioning bolt 9 is rotated, so that the positioning bolt 9 moves upwards, the compression bar 10 loses the extrusion effect on the guide wheel 16, and at the moment, the tension wheel 5 can be separated from the belt 17, so that the belt 17 is replaced.
The utility model discloses, simple structure, convenient operation through the elasticity that relies on spring 11, can be so that belt 17 is in invariable tensile force, can adjust belt 17's tensile force, conveniently changes belt 17, can carry out tensioning simultaneously to belt 17's both sides, and belt tightener's range of motion hinge is little, and required installation space is little, and holistic compact structure.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A temporary storage machine belt tensioning device comprises a driving wheel and a driven wheel which are connected through a belt, a swing rod is rotatably arranged between the driving wheel and the driven wheel through a rotating shaft, the temporary storage machine is characterized in that the rotating shaft is positioned in the center of the swing rod, the connecting line of the axis of the driving wheel and the axis of the driven wheel passes through the axis of the rotating shaft, tensioning wheels are rotatably arranged at two ends of the swing rod, the belt is positioned between two tensioning wheels, two fixing plates which are arranged up and down are fixed on the temporary storage machine at one side of the belt, a vertical square rod is fixed between the two fixing plates, a pressing rod is slidably arranged on the square rod, a spring is sleeved on the square rod between the pressing rod and the fixed plate above, a fixing rod is fixed at one side of the swing rod close to the pressing rod, a guide wheel is rotatably arranged at one end of the fixing rod far away from the swing rod, the guide wheel is in rolling contact with the lower end of the pressing rod, the tensioning wheel tightly abuts against the belt part at one side of the belt, and a positioning bolt is in threaded connection with the fixing plate below, the positioning bolt corresponds to the pressure rod, and the tension fine-tuning device is arranged on the pressure rod.
2. The belt tensioner as claimed in claim 1, wherein the tension fine adjustment device comprises an adjusting screw passing through the compression rod and threadedly connected to the compression rod, a movable plate is rotatably connected to an end of the adjusting screw, a wedge block is fixed to a lower end of the movable plate, an inclined surface of the wedge block is located below the movable plate, an end of the inclined surface of the wedge block, which is close to the movable plate, is inclined downward, a guide wheel is located between the wedge block and the square rod, and an upper end surface of the wedge block is in sliding contact with a lower end of the compression rod.
3. The temporary storage machine belt tensioning device of claim 2, wherein the movable plate has a plurality of polished rods secured thereto, the polished rods being in sliding engagement with the compression rods.
4. A temporary storage machine belt tensioning device as in claim 1, wherein the compression bar is perpendicular to the square bar.
5. A temporary storage machine belt tensioning device as in claim 1, wherein the line connecting the axes of the two tension wheels passes through the axis of the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023033256.2U CN213929334U (en) | 2020-12-16 | 2020-12-16 | Temporary storage machine belt tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023033256.2U CN213929334U (en) | 2020-12-16 | 2020-12-16 | Temporary storage machine belt tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213929334U true CN213929334U (en) | 2021-08-10 |
Family
ID=77152756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023033256.2U Active CN213929334U (en) | 2020-12-16 | 2020-12-16 | Temporary storage machine belt tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213929334U (en) |
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2020
- 2020-12-16 CN CN202023033256.2U patent/CN213929334U/en active Active
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