CN212830953U - Tensioning mechanism of flexible conveying belt - Google Patents
Tensioning mechanism of flexible conveying belt Download PDFInfo
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- CN212830953U CN212830953U CN202020869093.2U CN202020869093U CN212830953U CN 212830953 U CN212830953 U CN 212830953U CN 202020869093 U CN202020869093 U CN 202020869093U CN 212830953 U CN212830953 U CN 212830953U
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Abstract
The utility model discloses a straining device of flexible conveyer belt, including conveyer belt, frame, install in inside drive roll of conveyer belt and passive tensioning roller, the both sides of passive tensioning roller are all rotated and are connected with the tensioning arm to be connected with a tensioning axle through the tensioning arm, the tensioning axle on seted up two screw rod mounting holes, the tensioning axle both ends are connected to the tensioning seat through the tensioning screw rod, the tensioning seat includes ratating rod, two drive minor axes and connects in the screw rod axle sleeve of tensioning screw rod bottom, and locate on the ratating rod, the both sides of ratating rod all are connected with the bar connecting plate to be connected with two drive minor axes through two bar connecting plates respectively, a drive minor axis is connected with the drive handle who locates outside the frame. The utility model discloses in through the crank control, tensioning and the lax state of regulation conveyer belt that can be convenient fast to reach the purpose of quick tensioning and change conveyer belt, improved and maintained and regulation efficiency.
Description
Technical Field
The utility model relates to a mechanical transmission field, concretely relates to straining device of flexible conveyer belt.
Background
Along with agricultural machine's rapid development, flexible conveyor is more and more popular, other transport structure are compared to flexible conveyor, because the conveyer belt is mostly rubber or canvas and has elastic material, will require more frequent adjustment tensioning volume according to the in-service use in the use, and most tensioning structure all carries out the tensioning through the screw rod structure basically on the existing market, and the regulation of screw rod is wasted time and energy, if need change the conveyer belt, need transfer the tensioning volume to the ministry, let the conveyer belt be in the relaxation state just can conveniently change, need adjust the tensioning volume again after the change and carry out the tensioning, very loaded down with trivial details.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects of the prior art, and provides a tensioning mechanism of a flexible conveying belt, which comprises a conveying belt, a frame, a driving roller and a driven tensioning roller which are arranged in the conveying belt, wherein both sides of the driven tensioning roller are rotatably connected with tensioning arms and are connected with a tensioning shaft through the tensioning arms, the tensioning shaft is provided with two screw rod mounting holes, tensioning screw rods are respectively arranged in the screw rod mounting holes from top to bottom in a penetrating way, the screw rod heads of the tensioning screw rods are clamped at the upper end of the tensioning shaft, the middle parts of the tensioning screw rods are sleeved with tensioning springs, the lower ends of the tensioning springs are abutted against tensioning adjusting nuts, the tensioning adjusting nuts are sleeved at the middle lower parts of the tensioning screw rods, the tail parts of the tensioning screw rods are connected with tensioning seats, each tensioning seat comprises a rotary rod, two driving short shafts and a screw rod shaft sleeve, the upper end of the screw shaft sleeve is welded with a connecting nut, the screw shaft sleeves are sleeved on the rotary rod and are connected with the tensioning screw rod through the connecting nut, one of the two driving short shafts is nested in a positioning shaft sleeve arranged on the right side wall of the rack, the other driving short shaft is clamped in a positioning hole formed in the left side wall of the rack, and the driving short shaft clamped in the positioning hole is connected with a driving handle arranged outside the rack;
a limiting plate is installed in the rack, and the rotary rod upwards rotates by taking the driving short shaft as an axis to pass through a dead point position and then abuts against the limiting plate.
Further, the contact department of tensioning screw rod and tensioning axle all overlaps and is equipped with the trompil channel-section steel, and the tensioning axle holds in the grooved surface of trompil channel-section steel, and the upper end butt of tensioning spring is on the plane of trompil channel-section steel.
Furthermore, the positioning hole is a special-shaped waist hole which is in a shape that a large waist hole and a small waist hole are communicated up and down.
And furthermore, the diameters of the driving short shaft and the rotary rod are smaller than the width of a large waist hole of the special-shaped waist hole and smaller than the width of a small waist hole of the special-shaped waist hole.
Further, the tension adjusting nut is composed of a standard nut and a thin nut.
Furthermore, the inner sides of the two tensioning arms are respectively provided with a tensioning shaft sleeve, and two ends of the tensioning shaft are respectively sleeved in the two tensioning shaft sleeves and can rotate relative to the tensioning shaft sleeves.
Furthermore, the driving handle is a rocker handle.
Has the advantages that: (1) the utility model discloses in, through the crank control, tensioning and the lax state of regulation conveyer belt that can be convenient fast to reach the purpose of quick tensioning and change conveyer belt, improved and maintained and regulation efficiency.
(2) The utility model provides a part basic layout is in the inside of conveyer belt, and dustproof and waterproof effect obviously promotes, has prolonged the life of relevant part.
(3) The utility model provides a part basic layout is in the inside of conveyer belt, therefore also has compact structure, the advantage of saving space.
When the device is used, the driving handle is pulled downwards, so that the rotary rod rotates to the position shown in fig. 1, the conveying belt is quickly tensioned under the action of the tensioning spring, and after the rotary rod passes through a dead point position, the position is limited through the limiting plate, and a stable tensioning state is formed; when the conveying belt needs to be adjusted and replaced, the driving handle is pulled, other parts follow up and then reach the state shown in fig. 2, the conveying belt is in a loose state, maintenance and replacement are convenient, and when tensioning is needed, the driving handle is pulled again to the position shown in fig. 1.
Drawings
FIG. 1 is a schematic view of the internal structure of a tensioning mechanism of a flexible conveyor belt in a tensioned state;
FIG. 2 is a schematic diagram of the internal structure of FIG. 1 from a side view;
fig. 3 is a partially enlarged view of a portion a in fig. 2;
fig. 4 is a schematic view of the structure of the shaped hole of fig. 3;
FIG. 5 is a schematic view of the internal structure of a flexible conveyor belt in a relaxed state;
FIG. 6 is a schematic diagram of the internal structure of FIG. 5 from a side view;
in the figure: 1. driven tensioning roller, 2, tensioning arm, 3, tensioning shaft, 31, screw head, 32, trompil channel-section steel, 4, tensioning screw, 5, tensioning spring, 6, tensioning adjusting nut, 7, gyration pole, 8, screw shaft sleeve, 9, drive minor axis, 10, drive roll, 11, bar connecting plate, 12, location axle sleeve, 13, locating hole, 14, drive handle, 15, limiting plate, 16, rotation axle sleeve.
Detailed Description
In order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.
As shown in fig. 1-6, a flexible conveyor belt tensioning mechanism comprises a conveyor belt, a frame, a driving roller 10 and a driven tensioning roller 1, the driving roller and the driven tensioning roller are mounted inside the conveyor belt, the two sides of the driven tensioning roller 1 are rotatably connected with tensioning arms 2 and are connected with a tensioning shaft 3 through the tensioning arms 2, two screw mounting holes are formed in the tensioning shaft 3, tensioning screws 4 are arranged in the screw mounting holes from top to bottom in a penetrating manner, screw heads 31 of the tensioning screws 4 are clamped at the upper ends of the tensioning shaft 3, a tensioning spring 5 is sleeved in the middle of the tensioning screws 4, the lower ends of the tensioning springs 5 are abutted against tensioning adjusting nuts 6, the tensioning adjusting nuts 6 are sleeved at the middle lower part of the tensioning screws 4, the tail part of the tensioning screws 4 is connected with a tensioning seat, the tensioning seat comprises a rotary rod 7, two driving short shafts 9 and two screw shaft sleeves 8, the upper end of the screw shaft sleeve 8 is welded with a connecting nut, the screw shaft sleeves 8 are sleeved on the rotary rod 7 and are connected with the tensioning screw rod 4 through the connecting nut, strip-shaped connecting plates 11 are connected to two sides of the rotary rod 7 and are respectively connected with two driving short shafts 9 through two strip-shaped connecting plates 11, one of the two driving short shafts 9 is nested in a positioning shaft sleeve 12 arranged on the right side wall of the rack, the other driving short shaft 9 is clamped in a positioning hole 13 formed in the left side wall of the rack, and the driving short shaft 9 clamped in the positioning hole 13 is connected with a driving handle 14 arranged outside the rack; the driving handle 14 is a rocker handle;
a limit plate 15 is installed in the rack, and the rotary rod 7 upwards rotates by taking the driving short shaft 9 as an axis to pass through a dead point position and then abuts against the limit plate 15.
In this embodiment, the contact department of tensioning screw and tensioning shaft all overlaps and is equipped with trompil channel-section steel 32, and tensioning shaft 3 holds in the recess face of trompil channel-section steel 32, and the upper end butt of tensioning spring 5 is on the plane of trompil channel-section steel 32.
In this embodiment, the positioning hole 13 is a special-shaped waist hole, and the special-shaped waist hole is formed by vertically communicating a large waist hole and a small waist hole; the diameters of the driving short shaft and the rotary rod are smaller than the width of a large waist hole of the special-shaped waist hole and smaller than the width of a small waist hole of the special-shaped waist hole.
In the present embodiment, the tension adjusting nut 6 is composed of a standard nut and a thin nut.
In this embodiment, the inner sides of the two tensioning arms 2 are respectively provided with a tensioning shaft sleeve 16, and two ends of the tensioning shaft 3 are respectively sleeved in the two tensioning shaft sleeves 16 and can rotate relative to the tensioning shaft sleeves 16.
When the device is used, the driving handle is pulled downwards, so that the rotary rod rotates to the position shown in fig. 1, the conveying belt is quickly tensioned under the action of the tensioning spring, and after the rotary rod passes through a dead point position, the position is limited through the limiting plate, and a stable tensioning state is formed; when the conveying belt needs to be adjusted and replaced, the driving handle is pulled, other parts follow up and then reach the state shown in fig. 2, the conveying belt is in a loose state, maintenance and replacement are convenient, and when tensioning is needed, the driving handle is pulled again to the position shown in fig. 1.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The tensioning mechanism of the flexible conveying belt comprises a conveying belt, a frame, a driving roller and a driven tensioning roller which are arranged inside the conveying belt, and is characterized in that both sides of the driven tensioning roller are connected with tensioning arms in a rotating mode and are connected with a tensioning shaft through the tensioning arms, two screw rod mounting holes are formed in the tensioning shaft, tensioning screw rods are arranged in the screw rod mounting holes in a penetrating mode from top to bottom, screw rod heads of the tensioning screw rods are clamped at the upper end of the tensioning shaft, tensioning springs are sleeved in the middle of the tensioning screw rods, the lower ends of the tensioning springs are abutted to tensioning adjusting nuts, the tensioning adjusting nuts are sleeved on the middle lower portion of the tensioning screw rods, tensioning seats are connected to the tail portions of the tensioning screw rods and comprise rotary rods, two driving short shafts and screw rod shaft sleeves, and connecting nuts are welded at the upper ends of the screw rod shaft sleeves, the screw shaft sleeves are sleeved on the rotary rod and connected with the tensioning screw through connecting nuts, strip-shaped connecting plates are connected to two sides of the rotary rod and connected with two driving short shafts through two strip-shaped connecting plates respectively, one of the two driving short shafts is nested in a positioning shaft sleeve arranged on the right side wall of the rack, the other driving short shaft is clamped in a positioning hole formed in the left side wall of the rack, and the driving short shaft clamped in the positioning hole is connected with a driving handle arranged outside the rack;
a limiting plate is installed in the rack, and the rotary rod upwards rotates by taking the driving short shaft as an axis to pass through a dead point position and then abuts against the limiting plate.
2. The tensioning mechanism of a flexible conveyer belt according to claim 1, wherein the contact part of the tensioning screw and the tensioning shaft is sleeved with an opening channel steel, the tensioning shaft is accommodated in a groove surface of the opening channel steel, and the upper end of the tensioning spring abuts against the plane of the opening channel steel.
3. The tensioning mechanism of a flexible conveying belt according to claim 1, wherein the positioning hole is a special-shaped waist hole, and the special-shaped waist hole is formed by vertically communicating a large waist hole and a small waist hole.
4. The tensioning mechanism of a flexible conveying belt according to claim 3, wherein the diameters of the driving stub shaft and the turning rod are smaller than the width of the large waist hole of the special-shaped waist hole and smaller than the width of the small waist hole of the special-shaped waist hole.
5. The tensioning mechanism for a flexible belt according to claim 1, wherein said tensioning adjustment nut comprises a standard nut and a thin nut.
6. The tensioning mechanism of a flexible conveyer belt according to claim 1, wherein the inner sides of the two tensioning arms are respectively provided with a tensioning shaft sleeve, and two ends of the tensioning shaft are respectively sleeved in the two tensioning shaft sleeves and can rotate relative to the tensioning shaft sleeves.
7. The flexible conveyor belt tensioning mechanism of claim 1, wherein the actuating handle is a rocker handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020869093.2U CN212830953U (en) | 2020-05-22 | 2020-05-22 | Tensioning mechanism of flexible conveying belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020869093.2U CN212830953U (en) | 2020-05-22 | 2020-05-22 | Tensioning mechanism of flexible conveying belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212830953U true CN212830953U (en) | 2021-03-30 |
Family
ID=75167280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020869093.2U Active CN212830953U (en) | 2020-05-22 | 2020-05-22 | Tensioning mechanism of flexible conveying belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212830953U (en) |
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2020
- 2020-05-22 CN CN202020869093.2U patent/CN212830953U/en active Active
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