CN117550294A - Tensioning device of conveying chain - Google Patents
Tensioning device of conveying chain Download PDFInfo
- Publication number
- CN117550294A CN117550294A CN202311855110.1A CN202311855110A CN117550294A CN 117550294 A CN117550294 A CN 117550294A CN 202311855110 A CN202311855110 A CN 202311855110A CN 117550294 A CN117550294 A CN 117550294A
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- chain
- tensioning assembly
- rod
- assembly
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- 230000033001 locomotion Effects 0.000 claims description 14
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/44—Belt or chain tensioning arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention discloses a tensioning device for a conveying chain, which comprises a first chain tensioning assembly and a second chain tensioning assembly which are arranged at the left end and the right end of the inner side of an annular conveying chain, wherein the annular conveying chain is arranged in a frame, the first chain tensioning assembly and the second chain tensioning assembly are identical in structure and symmetrically arranged on the frame in the annular conveying chain, and the rear ends of the first chain tensioning assembly and the second chain tensioning assembly are connected and telescopically regulated through a telescopic regulation assembly. The tensioning device of the conveying chain has the advantages that the tensioning device is compact in structure, the tightness of the conveying chain can be adjusted, the adjustment is convenient and reliable, the stability is high, the falling risk of the conveying chain is reduced, and the stability and the conveying speed of materials in conveying chains are effectively ensured.
Description
Technical Field
The invention relates to the technical field of conveying chains, in particular to a tensioning device of a conveying chain.
Background
The conveying chain is a simple, reliable and efficient power transmission device and is widely applied to the field of material conveying in various industries. The common conveying chains are easy to loose in the installation and use process, and particularly the phenomenon of the chain loosening is more obvious when the conveying chain is in a large distance. The loose chain is easy to fall off in the process of conveying materials, and the conveying speed of the materials is low, so that the conveying effect of the materials is greatly restricted.
At present, tensioning devices existing in conveying chains are inconvenient to tension and adjust, the tensioning stability is not high, and the effect on material conveying is limited.
Disclosure of Invention
The invention aims at: a tensioning device of a conveying chain and an installation method are provided for solving the defects.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a conveyor chain's overspeed device tensioner, includes chain tensioning assembly one and chain tensioning assembly two at the inboard left and right sides both ends of annular conveyor chain, annular conveyor chain installs in the frame, chain tensioning assembly one, chain tensioning assembly two structure are the same and the symmetry is installed in the inside frame of annular conveyor chain, chain tensioning assembly one, chain tensioning assembly two rear ends are connected and flexible regulation through flexible regulation subassembly.
Preferably, the first chain tensioning assembly and the second chain tensioning assembly comprise right-angle rotating rods, inner arc rods, outer arc rods, springs, telescopic rods and hinged support rods; the right angle point of the right angle rotating rod is arranged on the rack through a first rotating bearing, two ends of the inner arc-shaped rod are respectively arranged on two vertexes of the right angle rotating rod, the outer arc-shaped rod is arranged on the outer side of the inner arc-shaped rod, and a plurality of springs are arranged and are respectively uniformly distributed between the inner arc-shaped rod and the outer arc-shaped rod; one end of the hinged support rod is hinged to the front end of the telescopic rod, and the other end of the hinged support rod is hinged to the right-angle rotating rod; the rear ends of the two telescopic rods of the first chain tensioning assembly and the second chain tensioning assembly are connected to the telescopic adjusting assembly.
Preferably, the telescopic adjusting assembly comprises an outer sleeve and an inner screw, one ends of the outer sleeve and the inner screw are respectively connected and fixed with the rear ends of two telescopic rods of the first chain tensioning assembly and the second chain tensioning assembly through rotating bearings, the other end of the inner screw is inserted into the other end of the outer sleeve, and external threads arranged on the outer side of the other end of the inner screw interfere with internal threads arranged in the other end of the outer sleeve.
Preferably, a lock nut is arranged on the inner screw rod outside the other end of the outer sleeve.
Preferably, a first vertical adjusting support rod is arranged on the outer wall of the other end of the outer sleeve, and a second vertical adjusting support rod is arranged on the outer wall of one end of the inner screw.
Preferably, a transverse limiting sleeve is arranged in the frame, and the telescopic rod is arranged in the transverse limiting sleeve; at least two, four and more than four transverse limiting sleeves are arranged on the telescopic rods of the first chain tensioning assembly and the second chain tensioning assembly transversely and are positioned on the same straight line.
Preferably, the first chain tensioning assembly and the second chain tensioning assembly are both internally provided with arc rod movement limiting assemblies, each arc rod movement limiting assembly comprises a limiting rod and a rotating sleeve, one end of each limiting rod is hinged to the outer end face of the outer arc rod, each rotating sleeve is installed on the outer end face of the inner arc rod through a second rotating bearing, and the other end of each limiting rod is inserted into each rotating sleeve.
Preferably, the arc rod movement limiting assemblies arranged in the first chain tensioning assembly and the second chain tensioning assembly are at least four, and the four arc rod movement limiting assemblies are uniformly arranged on two sides of the inner arc rod and the outer arc rod.
Preferably, a limiting groove is formed in the outer side face of the outer arc-shaped rod, and the limiting groove is of an opening type structure with large outside and small inside.
Preferably, a driving wheel, a driven wheel, a first guide wheel and a second guide wheel are arranged in the frame, the driving wheel, the driven wheel, the first guide wheel and the second guide wheel are respectively arranged on four points of upper right, upper left, lower left and lower right in the frame, and the annular conveying chain is sleeved on the driving wheel, the driven wheel, the first guide wheel and the second guide wheel; the first chain tensioning assembly and the second chain tensioning assembly respectively act on the inner sides of the annular conveying chains between the driven wheel and the first guide wheel and between the driving wheel and the second guide wheel.
The invention has the beneficial effects that:
the tensioning device of the conveying chain has the advantages that the tensioning device is compact in structure, the tightness of the conveying chain can be adjusted, the adjustment is convenient and reliable, the stability is high, the falling risk of the conveying chain is reduced, and the stability and the conveying speed of materials in conveying chains are effectively ensured.
Drawings
Fig. 1: the overall structure of the invention is schematically shown;
fig. 2: the structure schematic diagrams of the first chain tensioning assembly, the second chain tensioning assembly and the telescopic adjusting assembly are provided;
fig. 3: the first chain tensioning assembly or the second chain tensioning assembly is structurally schematic;
fig. 4: the telescopic adjusting assembly is structurally schematic.
Detailed Description
The following description of embodiments of the present invention is provided with reference to fig. 1 to 4:
example 1:
as shown in fig. 1, a tensioner for a conveyor chain includes a first chain tensioner assembly 1 and a second chain tensioner assembly 2 disposed at left and right ends of an inside of an endless conveyor chain 100. The annular conveying chain 100 is arranged in the frame 101, a driving wheel 102, a driven wheel 103, a first guide wheel 104 and a second guide wheel 105 are arranged in the frame 101, the driving wheel 102, the driven wheel 103, the first guide wheel 104 and the second guide wheel 105 are respectively arranged at four points of the upper right, the upper left, the lower left and the lower right in the frame 101, and the annular conveying chain 100 is sleeved on the driving wheel 102, the driven wheel 103, the first guide wheel 104 and the second guide wheel 105.
The first chain tensioning assembly 1 and the second chain tensioning assembly 2 are identical in structure and symmetrically arranged on a frame 101 in the annular conveying chain 100, and the rear ends of the first chain tensioning assembly 1 and the second chain tensioning assembly 2 are connected and telescopically adjusted through a telescopic adjusting assembly 3. The first chain tensioning assembly 1 and the second chain tensioning assembly 2 respectively act on the inner side of the annular conveying chain 6 between the driven wheel 103 and the first guide wheel 104, and between the driving wheel 102 and the second guide wheel 105, and tensioning adjustment of the annular conveying chain 6 is achieved through the telescopic adjusting assembly 3.
Example 2:
as shown in fig. 1, a tensioner for a conveyor chain includes a first chain tensioner assembly 1 and a second chain tensioner assembly 2 disposed at left and right ends of an inside of an endless conveyor chain 100. The annular conveying chain 100 is arranged in the frame 101, a driving wheel 102, a driven wheel 103, a first guide wheel 104 and a second guide wheel 105 are arranged in the frame 101, the driving wheel 102, the driven wheel 103, the first guide wheel 104 and the second guide wheel 105 are respectively arranged at four points of the upper right, the upper left, the lower left and the lower right in the frame 101, and the annular conveying chain 100 is sleeved on the driving wheel 102, the driven wheel 103, the first guide wheel 104 and the second guide wheel 105.
The first chain tensioning assembly 1 and the second chain tensioning assembly 2 are identical in structure and symmetrically arranged on a frame 101 in the annular conveying chain 100, and the rear ends of the first chain tensioning assembly 1 and the second chain tensioning assembly 2 are connected and telescopically adjusted through a telescopic adjusting assembly 3. The first chain tensioning assembly 1 and the second chain tensioning assembly 2 respectively act on the inner side of the annular conveying chain 6 between the driven wheel 103 and the first guide wheel 104, and between the driving wheel 102 and the second guide wheel 105, and tensioning adjustment of the annular conveying chain 6 is achieved through the telescopic adjusting assembly 3.
As shown in fig. 2-4, the first chain tensioner assembly 1 and the second chain tensioner assembly 2 each include a right angle pivot rod 71, an inner arcuate rod 72, an outer arcuate rod 73, a spring 74, a telescoping rod 75, and a hinge strut 76.
The right angle point of the right angle rotating lever 71 is mounted on the frame 101 through a first rotating bearing, and the right angle rotating lever 71 can rotate around the axis of the first rotating bearing.
Wherein, the both ends of interior arc pole 72 are installed respectively on the both vertices of right angle pivoted lever 71, and outer arc pole 73 sets up in interior arc pole 72 outside, and spring 74 is provided with a plurality of and equipartition respectively between interior arc pole 72 and outer arc pole 73, is provided with the spacing recess of the open-type structure of big outside and small inside on the outer side of outer arc pole 73. When the limiting groove on the outer side surface of the outer arc-shaped rod 73 acts on the annular conveying chain 6, the spring 74 can be contracted, and the outer arc-shaped rod 73 is prevented from being in hard contact with the annular conveying chain 6 to influence and damage the operation of the annular conveying chain 6.
One end of the hinge strut 76 is hinged to the front end of the telescopic rod 75, and the other end is hinged to the right-angle rotating rod 71. The rear ends of the two telescopic rods 75 of the first chain tensioning assembly 1 and the second chain tensioning assembly 2 are connected to the telescopic adjusting assembly 3. A transverse limiting sleeve 77 is arranged in the frame 101, and the telescopic rod 75 is arranged in the transverse limiting sleeve 77. At least two, four and more than four transverse limiting sleeves 77 are arranged transversely and are positioned on the same straight line on the telescopic rods 75 of the first chain tensioning assembly 1 and the second chain tensioning assembly 2. The setting of the lateral limiting sleeve 77 of the telescopic rod 75 can limit the telescopic direction of the telescopic rod 75 in the telescopic process, so that the telescopic rod 75 can only perform linear telescopic motion in the lateral direction.
Arc rod movement limiting assemblies 78 are arranged in the first chain tensioning assembly 1 and the second chain tensioning assembly 2, at least four arc rod movement limiting assemblies 78 are arranged in the first chain tensioning assembly 1 and the second chain tensioning assembly 2, and the four arc rod movement limiting assemblies 78 are uniformly distributed and installed on two sides of the inner arc rod 72 and the outer arc rod 73. The arc rod motion limiting assembly 78 comprises a limiting rod 781 and a rotating sleeve 782, one end of the limiting rod 781 is hinged to the outer end face of the outer arc rod 73, the rotating sleeve 782 is mounted on the outer end face of the inner arc rod 72 through a second rotating bearing 783 and can rotate freely, and the other end of the limiting rod 781 is inserted into the rotating sleeve 782.
When the chain tensioning assembly 1 and the chain tensioning assembly 2 are used for tensioning and adjusting the annular conveying chain 6, the deformation amount of each spring 74 is different when the springs 74 are contracted under the action of the external force of the outer arc-shaped rod 73 due to the difference of contact points of the outer arc-shaped rod 73 and the annular conveying chain 6. The free rotation of the rotation sleeve 782 and the expansion and contraction of the limit lever 781 can ensure that the movement direction of the outer arc-shaped lever 73 and the inner arc-shaped lever 72 are in the same plane and do not deviate.
The telescopic adjusting assembly 3 comprises an outer sleeve 31 and an inner screw 32, wherein one ends of the outer sleeve 31 and the inner screw 32 are respectively connected and fixed with the rear ends of two telescopic rods 75 of a first chain tensioning assembly 1 and a second chain tensioning assembly 2 through rotating bearings 34, the other end of the inner screw 32 is inserted into the other end of the outer sleeve 31, and external threads arranged on the outer side of the other end of the inner screw 32 are interfered with internal threads arranged in the other end of the outer sleeve 31. A lock nut 33 is mounted on the inner screw 32 outside the other end of the outer sleeve 31. The outer wall of the other end of the outer sleeve 31 is provided with a first vertical adjusting support rod 35, and the outer wall of one end of the inner screw 32 is provided with a second vertical adjusting support rod 36.
In the adjusting process of the telescopic adjusting assembly 3, first, the first adjusting strut 35 and the second adjusting strut 36 are simultaneously held by two hands, and the outer sleeve 31 and the inner screw 32 are relatively rotated under the stress action of the first adjusting strut and the second adjusting strut, so that the two telescopic rods 75 can synchronously extend and retract. After the telescopic rod 75 is controlled in a telescopic way to enable the first chain tensioning assembly 1 and the second chain tensioning assembly 2 to realize proper tensioning adjustment on the annular conveying chain 6, the locking nut 33 is screwed down in a rotating mode, the outer sleeve 31 and the inner screw 32 are limited, and a certain locking and fixing effect is realized.
The tensioning device of the conveying chain has the advantages that the tensioning device is compact in structure, the tightness of the conveying chain can be adjusted, the adjustment is convenient and reliable, the stability is high, the falling risk of the conveying chain is reduced, and the stability and the conveying speed of materials in conveying chains are effectively ensured.
The tensioning device of the conveying chain is compact in structure, does not need a high-power motor and a large-scale chain wheel, can effectively ensure that the annular conveying chain 6 is in a tensioning state all the time, improves the stability and the conveying speed of material conveying, and is simple to operate, convenient to use and good in effect.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the invention is not limited to the above embodiments, but is also within the scope of the invention if the inventive concept and technical scheme is not substantially modified or applied directly to other occasions without modification.
Claims (10)
1. The utility model provides a conveyor chain's overspeed device tensioner, its characterized in that, including setting up chain tensioning assembly one (1) and chain tensioning assembly two (2) at annular conveyor chain (100) inboard left and right sides both ends, annular conveyor chain (100) are installed in frame (101), chain tensioning assembly one (1), chain tensioning assembly two (2) structure are the same and the symmetry is installed on frame (101) inside annular conveyor chain (100), chain tensioning assembly one (1), chain tensioning assembly two (2) rear end are connected and flexible regulation through flexible regulation subassembly (3).
2. The tensioning device for conveying chains according to claim 1, wherein the first chain tensioning assembly (1) and the second chain tensioning assembly (2) comprise right-angle rotating rods (71), inner arc rods (72), outer arc rods (73), springs (74), telescopic rods (75) and hinged supporting rods (76); the right angle point of the right angle rotating rod (71) is arranged on the frame (101) through a first rotating bearing, two ends of the inner arc-shaped rod (72) are respectively arranged on two vertexes of the right angle rotating rod (71), the outer arc-shaped rod (73) is arranged at the outer side of the inner arc-shaped rod (72), and a plurality of springs (74) are arranged and are uniformly distributed between the inner arc-shaped rod (72) and the outer arc-shaped rod (73) respectively; one end of the hinged support rod (76) is hinged to the front end of the telescopic rod (75), and the other end of the hinged support rod is hinged to the right-angle rotating rod (71); the rear ends of two telescopic rods (75) of the first chain tensioning assembly (1) and the second chain tensioning assembly (2) are connected to the telescopic adjusting assembly (3).
3. The tensioning device of the conveying chain according to claim 2, wherein the telescopic adjusting assembly (3) comprises an outer sleeve (31) and an inner screw (32), one end of the outer sleeve (31) and one end of the inner screw (32) are respectively connected and fixed with the rear ends of two telescopic rods (75) of the first chain tensioning assembly (1) and the second chain tensioning assembly (2) through rotating bearings (34), the other end of the inner screw (32) is inserted into the other end of the outer sleeve (31), and external threads arranged on the outer side of the other end of the inner screw (32) are interfered with internal threads arranged in the other end of the outer sleeve (31).
4. A tensioning device for a conveyor chain according to claim 3, characterized in that a lock nut (33) is mounted on the inner screw (32) outside the other end of the outer sleeve (31).
5. A tensioning device for a conveyor chain according to claim 3, wherein a first vertical adjusting strut (35) is arranged on the outer wall of the other end of the outer sleeve (31), and a second vertical adjusting strut (36) is arranged on the outer wall of one end of the inner screw (32).
6. A tensioning device of a conveyor chain according to claim 2, characterized in that a transverse limit sleeve (77) is arranged in the frame (101), and the telescopic rod (75) is arranged in the transverse limit sleeve (77); at least two, four and more than four transverse limiting sleeves (77) are arranged transversely and are positioned on the same straight line, and the transverse limiting sleeves (77) are arranged on the telescopic rods (75) of the first chain tensioning assembly (1) and the second chain tensioning assembly (2).
7. The tensioning device for conveying chains according to claim 2, wherein the first chain tensioning assembly (1) and the second chain tensioning assembly (2) are respectively provided with an arc rod movement limiting assembly (78), the arc rod movement limiting assemblies (78) comprise limiting rods (781) and rotating sleeves (782), one ends of the limiting rods (781) are hinged to the outer end face of the outer arc rod (73), the rotating sleeves (782) are mounted on the outer end face of the inner arc rod (72) through rotating bearings (783), and the other ends of the limiting rods (781) are inserted into the rotating sleeves (782).
8. The tensioning device for conveying chains according to claim 7, wherein at least four arc rod movement limiting assemblies (78) are arranged in the first chain tensioning assembly (1) and the second chain tensioning assembly (2), and the four arc rod movement limiting assemblies (78) are uniformly arranged on two sides of the inner arc rod (72) and the outer arc rod (73).
9. The tensioning device of the conveying chain according to claim 2, wherein a limiting groove is formed in the outer side face of the outer arc-shaped rod (73), and the limiting groove is of an opening structure with a large outer side and a small inner side.
10. The tensioning device of the conveying chain according to claim 1, wherein a driving wheel (102), a driven wheel (103), a first guide wheel (104) and a second guide wheel (105) are installed in the frame (101), the driving wheel (102), the driven wheel (103), the first guide wheel (104) and the second guide wheel (105) are respectively installed on four points of an upper right, an upper left, a lower left and a lower right in the frame (101), and the annular conveying chain (100) is sleeved on the driving wheel (102), the driven wheel (103), the first guide wheel (104) and the second guide wheel (105); the first chain tensioning assembly (1) and the second chain tensioning assembly (2) respectively act on the inner side of the annular conveying chain (6) between the driven wheel (103) and the first guide wheel (104), and between the driving wheel (102) and the second guide wheel (105).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311855110.1A CN117550294A (en) | 2023-12-29 | 2023-12-29 | Tensioning device of conveying chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311855110.1A CN117550294A (en) | 2023-12-29 | 2023-12-29 | Tensioning device of conveying chain |
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| Publication Number | Publication Date |
|---|---|
| CN117550294A true CN117550294A (en) | 2024-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311855110.1A Pending CN117550294A (en) | 2023-12-29 | 2023-12-29 | Tensioning device of conveying chain |
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| Country | Link |
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| CN (1) | CN117550294A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118047177A (en) * | 2024-04-15 | 2024-05-17 | 苏州双祺自动化设备股份有限公司 | Telescopic synchronous transmission mechanism and telescopic machine |
-
2023
- 2023-12-29 CN CN202311855110.1A patent/CN117550294A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118047177A (en) * | 2024-04-15 | 2024-05-17 | 苏州双祺自动化设备股份有限公司 | Telescopic synchronous transmission mechanism and telescopic machine |
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