CN211820595U - Hold-in range straining device - Google Patents
Hold-in range straining device Download PDFInfo
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- CN211820595U CN211820595U CN201922377833.0U CN201922377833U CN211820595U CN 211820595 U CN211820595 U CN 211820595U CN 201922377833 U CN201922377833 U CN 201922377833U CN 211820595 U CN211820595 U CN 211820595U
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- tensioning
- adjusting
- adjusting rod
- waist
- sleeve
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Abstract
The utility model discloses a synchronous belt tensioning mechanism, which comprises an adjusting block, an adjusting rod, a gasket and a tensioning sleeve; the adjusting block and the tensioning sleeve are respectively arranged at two ends of the adjusting rod, the adjusting block is fixedly connected with the adjusting rod through a gasket, and the tensioning sleeve is movably connected to the adjusting rod; waist-shaped adjusting holes and fixing holes are arranged at the same horizontal height of the external mounting panel; the tensioning mechanisms are a pair and are respectively arranged at two ends of the mounting panel, the axis direction of the adjusting rod is vertical to the mounting panel, and an adjusting block of one tensioning mechanism is arranged in the waist-shaped adjusting hole and can horizontally move along the waist-shaped adjusting hole to adjust the tensioning force; the end part of the adjusting rod of the other tensioning mechanism is not provided with an adjusting block and is directly and fixedly connected with the fixing hole; the tensioning sleeves of the two tensioning mechanisms are matched with the conveying belt. The utility model discloses simple structure, and the take-up pulley is in same horizontal direction around guaranteeing.
Description
Technical Field
The utility model relates to a hold-in range field, concretely relates to hold-in range straining device.
Background
Traditional hold-in range all adopts adjustable take-up pulley, and the conveyer belt tensioning mode relies on take-up pulley body angular rotation tensile, is take-up pulley structural style as shown in figure 1, and the main shortcoming is:
1. the vertical occupied space is large, so that the width of the installation panel of the synchronous belt is large, and the overall appearance is influenced;
2. the tensioning wheel has a complex structure, high manufacturing cost and large noise during transmission;
3. the front and rear combined structures of the two tensioning wheels cannot ensure that the conveying belt is in a horizontal direction, so that the conveying belt is not stable in the running process and has more abnormal noise;
4. when the tensioning wheel is fixed, the tensioning wheel needs to be fixed through two screws, and the operation is complex.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a hold-in range straining device, simple structure, take-up pulley is in same horizontal direction around just guaranteeing.
The utility model discloses a realize through following technical scheme:
a synchronous belt tensioning mechanism comprises an adjusting block, an adjusting rod, a gasket and a tensioning sleeve;
the adjusting block and the tensioning sleeve are respectively arranged at two ends of the adjusting rod, the adjusting block is fixedly connected with the adjusting rod through a gasket, and the tensioning sleeve is movably connected to the adjusting rod;
waist-shaped adjusting holes and fixing holes are arranged at the same horizontal height of the external mounting panel; the tensioning mechanisms are arranged at two ends of the mounting panel respectively, the axis direction of the adjusting rod is vertical to the mounting panel, and an adjusting block of one tensioning mechanism is arranged in the waist-shaped adjusting hole and can horizontally move along the waist-shaped adjusting hole to adjust the tensioning force; the end part of the adjusting rod of the other tensioning mechanism is not provided with an adjusting block and is directly and fixedly connected with the fixing hole; the tensioning sleeves of the two tensioning mechanisms are matched with the conveying belt.
Furthermore, the outer periphery of the tensioning sleeve is provided with a conveyor belt positioning groove.
Further, the side wall of the positioning groove of the conveying belt is an inclined plane.
Furthermore, the adjusting block is a cylinder with steps processed on two sides of the end face, the height of the step is smaller than the wall thickness of the installation panel, and a clamping groove matched with the waist-shaped adjusting hole is formed between the end face of the step and the gasket.
Further, the diameter of the washer is larger than that of the adjusting rod.
Furthermore, the tensioning sleeve is movably connected with the adjusting rod through a bearing, a bearing positioning hole and a clamp spring groove are formed in the tensioning sleeve, the bearing is installed in the bearing positioning hole, the bearing outer ring is limited through a check ring installed in the clamp spring groove, and the bearing inner ring is limited through a locking nut.
Furthermore, the material of the tensioning sleeve is polytetrafluoroethylene.
Has the advantages that:
1. the waist-shaped adjusting hole and the fixing hole are positioned in the same horizontal direction, so that the front and rear tensioning wheels can be ensured to be positioned in the same horizontal direction; secondly, the tensioning mechanism is simple in structure, and the tensioning force is simple and convenient to adjust and easy to realize; moreover, only need screw up the regulation pole when fixed and can realize fixed convenient operation with the externally mounted panel.
2. The utility model discloses the conveyer belt constant head tank is the inclined plane groove, can reduce the friction between tensioning cover and the conveyer belt.
3. The utility model discloses the packing ring diameter is greater than adjusts the pole diameter, has increased the area of contact of tensioning wheelset with the installation panel, increases the take-up pulley rigidity, and the increase friction prevents to rock, and the reliability is high.
4. The utility model discloses the tension sleeve material is polytetrafluoroethylene, and is wear-resisting, small in noise and long-lived.
Drawings
FIG. 1 is a schematic structural diagram of a conventional tensioner;
FIG. 2 is a schematic view of the assembly structure of the present invention;
FIG. 3 is a schematic structural view of the tensioning mechanism;
FIG. 4 is a schematic structural view of the tension sleeve;
FIG. 5 is a schematic view of the structure of the adjusting lever;
FIG. 6 is a schematic view of a mounting panel;
the device comprises a conveyor belt 1, a tensioning mechanism 2, an installation panel 3, a roller 4, an adjusting block 21, a washer 22, a flat washer 23, a spring washer 24, an adjusting rod 25, a tensioning sleeve 26, a bearing 27, a check ring 28, a locking nut 29, a waist-shaped adjusting hole 31, a fixing hole 32, a spanner 33 and a gap 34.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of examples.
The tensioning synchronous belt comprises two rollers 4, a conveyor belt 1, a tensioning wheel set and a mounting panel 3, the conveyor belt 1 is tensioned by the tensioning wheel set, and the front and the rear rollers 4 are synchronously driven by meshing.
Two gyro wheels 4 are fixed at the 3 both ends of installation panel through the pivot, and installation panel 3 passes through the bearing frame with the pivot to be connected, and installation panel 3 and bearing frame fix with screw, conveyer belt 1 ring winding are in the front, on two gyro wheels 4 in the back.
The embodiment provides a synchronous belt tensioning mechanism, as shown in fig. 2 and 3, comprising an adjusting block 21, an adjusting rod 25, a washer 22, a flat washer 23, a spring washer 24, a bearing 27 and a tensioning sleeve 26.
As shown in fig. 5, the adjusting rod 25 has a three-step stepped shaft structure, with two small-diameter sections at two ends and a large-diameter section in the middle, wherein the outer surfaces of the small-diameter sections at two ends are provided with threads, and the large-diameter section in the middle is a straight rod structure.
As shown in fig. 4, the outer circumferential surface of the tension sleeve 26 is provided with a positioning groove for the conveyor belt 1, and the side wall of the positioning groove for the conveyor belt 1 is an inclined surface. The tension sleeve 26 is made of polytetrafluoroethylene. A bearing 27 positioning hole and a clamp spring groove are formed in the tensioning sleeve 26, the bearing 27 and the positioning hole are in transition fit, noise generated in the operation process is reduced, the outer ring of the bearing 27 is limited through a check ring 28 installed in the clamp spring groove, and the inner ring of the bearing 27 is limited through a lock nut 29 fixed on the small-diameter section of the adjusting rod 25.
Regulating block 21 is the cylinder that the terminal surface both sides processed there is the step, the step height is less than installation panel 3 wall thickness, form between step terminal surface and the packing ring 22 with waist shape regulation hole 31 complex draw-in groove, when fixing on installation panel 3, step restriction installation panel 3 is in the removal of vertical direction, leave gap 34 between regulating block 21 step terminal surface and the packing ring 22, guarantee that regulating block 21 locks installation panel 3, prevent not hard up, only need screw up the spanner position 33 of adjusting pole 25 during fixed, high durability and convenient operation.
The adjusting block 21 and the tensioning sleeve 26 are respectively arranged at two ends of the adjusting rod 25, the adjusting block 21 is in threaded connection with the adjusting rod 25 through a gasket 22, a flat gasket 23 and a spring washer 24, and the tensioning sleeve 26 is movably connected with the adjusting rod 25 through a bearing 27; the washer 22 has a diameter larger than that of the adjustment rod 25.
As shown in fig. 6, a waist-shaped adjusting hole 31 and a fixing hole 32 are provided at the same horizontal height of the mounting panel 3, and the diameter of one end of the waist-shaped adjusting hole 31 is larger than the outer diameter of the adjusting block 21, so that the mounting is facilitated. The tensioning wheel can not be adjusted by the fixing hole 32, and the waist-shaped adjusting hole 31 structure can be designed according to the adjusting size of the installation panel 3 structure and the conveying belt 1 when the adjusting length is required to be increased in the later stage.
The tensioning mechanisms 2 are a pair and are respectively arranged at two ends of the mounting panel 3, the axis direction of the adjusting rod 25 is vertical to the mounting panel 3, and the adjusting block 21 of one tensioning mechanism 2 is arranged in the waist-shaped adjusting hole 31 and can horizontally move along the waist-shaped adjusting hole 31 to adjust the tensioning force; the small diameter section of the other tensioning mechanism 2 is not provided with the adjusting block 21 and is directly in threaded connection with the fixing hole 32, and the tensioning sleeves 26 of the two tensioning mechanisms 2 are matched with the conveyor belt 1.
In summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement 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 synchronous belt tensioning mechanism is characterized by comprising an adjusting block, an adjusting rod, a gasket and a tensioning sleeve;
the adjusting block and the tensioning sleeve are respectively arranged at two ends of the adjusting rod, the adjusting block is fixedly connected with the adjusting rod through a gasket, and the tensioning sleeve is movably connected to the adjusting rod;
waist-shaped adjusting holes and fixing holes are arranged at the same horizontal height of the external mounting panel; the tensioning mechanisms are arranged at two ends of the mounting panel respectively, the axis direction of the adjusting rod is vertical to the mounting panel, and an adjusting block of one tensioning mechanism is arranged in the waist-shaped adjusting hole and can horizontally move along the waist-shaped adjusting hole to adjust the tensioning force; the end part of the adjusting rod of the other tensioning mechanism is not provided with an adjusting block and is directly and fixedly connected with the fixing hole; the tensioning sleeves of the two tensioning mechanisms are matched with the conveying belt.
2. The synchronous belt tensioning mechanism of claim 1, wherein the tensioning sleeve has a belt positioning groove on an outer circumferential surface thereof.
3. The synchronous belt tensioning mechanism of claim 2, wherein the belt positioning slot side wall is beveled.
4. The synchronous belt tensioning mechanism of claim 1, wherein the adjustment block is a cylinder with steps on both sides of the end surface, the height of the step is smaller than the wall thickness of the installation panel, and a slot matched with the waist-shaped adjustment hole is formed between the end surface of the step and the gasket.
5. The synchronous belt tensioning mechanism of claim 1, wherein the washer diameter is greater than the adjustment rod diameter.
6. The synchronous belt tensioning mechanism as in claim 1, wherein the tensioning sleeve is movably connected with the adjusting rod through a bearing, a bearing positioning hole and a clamp spring groove are arranged in the tensioning sleeve, the bearing is arranged in the bearing positioning hole, a bearing outer ring is limited through a retaining ring arranged in the clamp spring groove, and a bearing inner ring is limited through a locking nut.
7. The synchronous belt tensioning mechanism of claim 1, wherein the tensioning sleeve is polytetrafluoroethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922377833.0U CN211820595U (en) | 2019-12-26 | 2019-12-26 | Hold-in range straining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922377833.0U CN211820595U (en) | 2019-12-26 | 2019-12-26 | Hold-in range straining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211820595U true CN211820595U (en) | 2020-10-30 |
Family
ID=73036792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922377833.0U Active CN211820595U (en) | 2019-12-26 | 2019-12-26 | Hold-in range straining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211820595U (en) |
-
2019
- 2019-12-26 CN CN201922377833.0U patent/CN211820595U/en active Active
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