CN216582451U - Tensioning mechanism of round-link chain conveyor and round-link chain conveyor - Google Patents
Tensioning mechanism of round-link chain conveyor and round-link chain conveyor Download PDFInfo
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- CN216582451U CN216582451U CN202122535363.3U CN202122535363U CN216582451U CN 216582451 U CN216582451 U CN 216582451U CN 202122535363 U CN202122535363 U CN 202122535363U CN 216582451 U CN216582451 U CN 216582451U
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Abstract
The application discloses straining device and round-link chain conveyer of round-link chain conveyer, the straining device of round-link chain conveyer includes: the tensioning screw comprises a first part and a second part, and the fixing nut is arranged at the middle section of the first part; the locking nut is arranged on the first part of the tensioning screw and is positioned on one side, far away from the second part, of the fixing nut; the cotter pin is arranged at the end part of the second part of the tensioning screw and is positioned at one end far away from the first part; the retainer ring is connected with the split pin and positioned on the second part; the tension element is arranged at the other end of the second part and is positioned at the joint of the first part and the second part, and the inner diameter of the tension element is smaller than the section inner diameter of the first part. The technical problem of among the prior art circular chain conveyer can appear whole chain extension in the course of the work and become loose, jump the tooth, take off the round of and phenomenon such as wheel and influence operating condition is solved.
Description
Technical Field
The application relates to the technical field of intelligent coal charging equipment, in particular to a tensioning mechanism of a round-link chain conveyor and the round-link chain conveyor.
Background
The intelligent coal charging equipment is a part of an intelligent loading system of a coal mine silo, is a core execution device, has intelligent loading, automatic metering, voice prompt and unattended functions, and consists of the intelligent coal charging equipment, bin entering two-dimensional code scanning (or radio frequency), a PLC control program, a control cabinet, an infrared correlation pipe, a laser range finder, a sound box, an LED display screen, a cylinder or an oil cylinder and a system, wherein the intelligent coal charging equipment specially refers to the following two scraper-row circular chain conveyors in two forms: 1. a single-layer bottom scraper type double-row round-link chain conveyor; 2. Double-layer bottom scraper type double-row round-link chain conveyor. The scraper type double-row round-link chain conveyor is lengthened along with the running time, the phenomena of loosening of the whole chain, tooth jumping, wheel dropping and the like can occur in the working process, the working state of the scraper type double-row round-link chain conveyor is influenced, and the chain needs to be tensioned.
However, the applicant has found that the above prior art has at least the following technical problems:
in the prior art, the phenomena of loosening of the whole chain, tooth jumping, wheel dropping and the like can occur in the working process of the circular chain conveyor, so that the technical problem of influencing the working state is solved.
SUMMERY OF THE UTILITY MODEL
The application provides a straining device and round-link chain conveyer of round-link chain conveyer has solved among the prior art round-link chain conveyer and can appear whole chain extension pine in the course of the work, jumps the tooth, takes off phenomenons such as wheel and influences operating condition's technical problem.
In order to solve the above problem, in a first aspect, the present application provides a tensioning mechanism of a round-link chain conveyor, including: a tensioning screw comprising a first portion, a second portion, wherein a cross-sectional inner diameter length of the first portion is greater than a cross-sectional inner diameter length of the second portion; the fixing nut is arranged at the middle section of the first part of the tensioning screw; the locking nut is arranged on the first part of the tensioning screw and is positioned on one side, far away from the second part, of the fixing nut; the split pin is arranged at the end of the second part of the tensioning screw and is positioned at one end far away from the first part; a retainer ring connected to the cotter pin on the second portion; and the tensioning element is arranged at the other end of the second part and is positioned at the joint of the first part and the second part, wherein the tensioning element is an elastic element, and the inner diameter of the tensioning element is smaller than the section inner diameter of the first part.
Preferably, the tensioning element is a belleville spring.
Preferably, the tensioning element is a compression spring.
Preferably, the tensioning element is a pneumatic cylinder or a tension spring.
Preferably, the specification of the belleville spring is GB/T1972-1992, and phi 71X phi 36X 4.
Preferably, the compression pretightening force of the tension element is 0.5-2 tons.
In a second aspect, the application provides a round-link chain conveyor, round-link chain conveyor includes round-link chain conveyor's straining device, round-link chain conveyor's straining device is fixed to be set up in round-link chain conveyor aircraft nose or tail department, wherein, round-link chain conveyor includes:
the movable adjusting plate is arranged at the head or the tail of the circular chain conveyor, and comprises a vertical plate which is connected with a tensioning element of a tensioning mechanism of the circular chain conveyor and can move left and right on the head or the tail of the circular chain conveyor;
the main shaft is arranged on the movable adjusting plate through a bearing seat;
a chain disposed on the main shaft;
when the tensioning mechanism of the circular ring chain conveyor is tensioned, the movable adjusting plate drives the main shaft to move left and right.
One or more technical solutions in the present application have at least one or more of the following technical effects:
the application provides straining device of round-link chain conveyer, straining device of round-link chain conveyer includes: a tensioning screw comprising a first portion, a second portion, wherein a cross-sectional inner diameter length of the first portion is greater than a cross-sectional inner diameter length of the second portion; the fixing nut is arranged at the middle section of the first part of the tensioning screw; the locking nut is arranged on the first part of the tensioning screw and is positioned on one side, far away from the second part, of the fixing nut; the split pin is arranged at the end of the second part of the tensioning screw and is positioned at one end far away from the first part; a retainer ring connected to the cotter pin on the second portion; and the tensioning element is arranged at the other end of the second part and is positioned at the joint of the first part and the second part, wherein the tensioning element is an elastic element, and the inner diameter of the tensioning element is smaller than the section inner diameter of the first part. When in use, the tensioning screw is rotated, the tensioning screw can transmit force to the tensioning element on the tensioning mechanism, because the tensioning screw is tightly abutted against the vertical plate of the head and the tail through the tensioning element 6 and the head and the tail are fixed, when the tensioning screw is rotated, the main shaft of the machine head or the machine tail can be driven to move left and right, the shaft distance of the main shaft of the ring chain conveyor is tensioned to change, the length of the ring chain hung on the main shaft is not changed, thereby tensioning the round-link chain, tensioning the chain by adjusting the two sides of the main shaft, uniformly stressing the two sides, tensioning the chain of the round-link chain conveyor, uniformly stressing the two sides of the main shaft, avoiding the technical effects of loosening the whole chain, jumping teeth and disengaging wheels, thereby the technical problem that the working state of the circular chain conveyor is influenced by the phenomena of loosening of the whole chain, tooth jumping, wheel dropping and the like in the working process in the prior art is solved.
Drawings
In order to more clearly illustrate the technical solutions in the present application or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a tensioning mechanism of a round-link chain conveyor according to an embodiment of the present application;
fig. 2 is a cross-sectional view of a tensioning mechanism of a round-link chain conveyor according to an embodiment of the present application;
fig. 3 is another schematic structural diagram of a tensioning mechanism of a round-link chain conveyor according to an embodiment of the present application;
fig. 4 is an installation schematic diagram of a tensioning mechanism of a round-link chain conveyor provided in an embodiment of the application;
fig. 5 is a schematic structural diagram of a round-link chain conveyor provided in an embodiment of the present application.
Reference numerals: tensioning screw 1, fixing nut 2, lock nut 3, split pin 4, retaining ring 5, tensioning element 6, circular ring chain conveyor head or tail 7, movable adjusting plate 8, tensioning mechanism 9, bearing seat 10, main shaft 11.
Detailed Description
The embodiment of the utility model provides a tensioning mechanism of a round-link chain conveyor and the round-link chain conveyor, which are used for solving the technical problem that the working state of the round-link chain conveyor is influenced by the phenomena of integral chain stretching and loosening, tooth jumping, wheel dropping and the like in the working process in the prior art. The chain tensioning device has the advantages that the chain of the circular ring chain conveyor is tensioned, the stress on the two sides of the main shaft is uniform, and the technical effects of loosening of the whole chain, tooth jumping and wheel dropping are avoided.
The technical scheme in the embodiment of the utility model has the following overall structure: a tensioning screw comprising a first portion, a second portion, wherein a cross-sectional inner diameter length of the first portion is greater than a cross-sectional inner diameter length of the second portion; the fixing nut is arranged at the middle section of the first part of the tensioning screw; the locking nut is arranged on the first part of the tensioning screw and is positioned on one side, far away from the second part, of the fixing nut; the split pin is arranged at the end of the second part of the tensioning screw and is positioned at one end far away from the first part; a retainer ring connected to the cotter pin on the second portion; and the tensioning element is arranged at the other end of the second part and is positioned at the joint of the first part and the second part, wherein the tensioning element is an elastic element, and the inner diameter of the tensioning element is smaller than the section inner diameter of the first part.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, the present application provides a tensioning mechanism of a round-link chain conveyor, which includes: tensioning screw 1, fixing nut 2, lock nut 3, split pin 4, retaining ring 5, tensioning element 6.
The tensioning screw 1 comprises a first part and a second part, wherein the length of the inner diameter of the first part is larger than that of the second part;
specifically, the tensioning mechanism of the round-link chain conveyor in the embodiment of the application is used for tensioning a scraper type double-row round-link chain, the tensioning screw 1 is divided into two parts, the diameter of the top part close to the tensioning screw 1 is thick, a step shape is formed by screws with different thicknesses from top to bottom, the part with the thick top section diameter is a first part, the part with the directly thin section is a second part, the first part is connected with a screw top cap, the step on the tensioning screw is formed by the first part and the second part, and the clamping groove formed by the step is used for fixing the tensioning element 6 in the axial direction.
The fixing nut 2 is arranged at the middle section of the first part of the tensioning screw 1;
specifically, the fixing nut 2 is arranged at the top part of the tensioning screw 1 with the large diameter and is welded with the head or the tail 7 of the circular chain conveyor, and the head or the tail 7 of the circular chain conveyor is fixed during tensioning.
The locking nut 3 is arranged on the first part of the tensioning screw 1 and is positioned on one side of the fixing nut 2 away from the second part;
specifically, the lock nut 3 is provided in parallel with the fixing nut 2 and is located on one side surface of the fixing nut 2 to lock and fix the tension screw 1.
The cotter pin 4 is arranged at the end of the second part of the tensioning screw 1 and is positioned at one end far away from the first part;
the retainer ring 5 is connected with the split pin 4 and is positioned on the second part;
specifically, a split pin 4 and a retaining ring 5 are arranged at the other end of the tensioning screw 1, namely, the end far away from the screw top cap, the split pin 4 is used for preventing looseness of threaded connection, after the nut is tightened, the split pin is inserted into a nut groove and a bolt tail hole and the tail of the split pin is pulled open to prevent relative rotation of the nut and the bolt, and the tensioning screw 1 is fixed through matching of the split pin 4 and the retaining ring 5.
The tension element 6 is arranged at the other end of the second part and is positioned at the joint of the first part and the second part, wherein the tension element 6 is an elastic element, and the inner diameter of the tension element is smaller than the section inner diameter of the first part.
Specifically, as shown in fig. 2 to 5, the tension element 6 is an element having elastic tension, and is classified into three types according to the tension element, one type is tensioned by compression deformation of a belleville spring; the other is tensioned by compression deformation of a compression spring; the third type is tensioning by elastic elements such as air cylinders, tension springs and the like. When the tensioning screw 1 is rotated in use, the tensioning screw 1 can transmit force to a tensioning element 6 (a tensioning element such as a belleville spring, a compression spring or an air cylinder) on the tensioning mechanism, because the tensioning screw 1 abuts against the vertical plate on the left side of the movable adjusting plate 8 through the tensioning element 6 and the machine head and the machine tail are fixed, at the moment (when the tensioning screw 1 is rotated), the movable adjusting plate 8 can drive the main shaft 11 of the machine head or the machine tail to move left and right (the main shaft 11 is arranged on the movable adjusting plate 8 through the bearing seat), as shown in fig. 5, the moving direction of the movable adjusting plate 8 is the moving direction of the main shaft 11, and thus, after tensioning, the wheel base between the main shafts 11 is changed, and the length of the circular chain hung on the main shafts 11 is not changed, therefore, the circular chain is tensioned, and the two sides of the main shaft 11 are adjusted in such a way, so that the chain is tensioned, and the two sides are stressed uniformly. The chain tensioning of the circular chain conveyor is realized, the stress on the two sides of the main shaft is uniform, the technical effects of loosening of the whole chain, tooth jumping and wheel slipping are avoided, and the technical problems that the whole chain is loosened, the tooth jumping and the wheel slipping are caused in the working process of the circular chain conveyor in the prior art, and the working state is influenced are solved.
Further, the tension element 6 is a belleville spring.
Further, the specification of the belleville spring is GB/T1972-1992, and phi 71X phi 36X 4.
Furthermore, the compression pretightening force of the tension element is 0.5-2 tons.
Specifically, referring to fig. 1 and 2, the tension element 6 is a belleville spring, the number of the belleville springs can be adjusted according to the actual number of the belleville springs, the specifications of the belleville springs adopted in the embodiment of the present application are GB/T1972-1992, phi 71X phi 36X4, one side is 3-4, and 6-8 springs in total are symmetrically installed at two ends of the main shaft 11 during installation, the installation mode is two back-to-back, one face-to-face clings to the active surface or two face-to-face, and the compression pre-tightening force generated at each side is about 0.5 ton-2 ton.
Further, the tension element 6 is a compression spring.
Specifically, please refer to fig. 3, which is a schematic structural diagram of the tension mechanism in which the tension element 6 is a compression spring.
Further, the tensioning element 6 may also be an element having elastic tensioning, such as a cylinder or a tension spring.
Example 2
The embodiment of the present application provides a round-link chain conveyor, please refer to fig. 5, round-link chain conveyor has included embodiment 1 round-link chain conveyor's straining device, round-link chain conveyor's straining device is fixed to be set up in round-link chain conveyor aircraft nose or tail department, wherein, round-link chain conveyor includes:
the movable adjusting plate 8 is arranged at the head or tail 7 of the round-link chain conveyor, wherein the movable adjusting plate 8 comprises a vertical plate, the vertical plate is connected with a tensioning element of a tensioning mechanism 9 of the round-link chain conveyor, and the movable adjusting plate 8 can move left and right on the head or tail 7 of the round-link chain conveyor;
a main shaft 11, wherein the main shaft 11 is arranged on the movable adjusting plate 8 through a bearing seat 10;
a chain provided on the main shaft 11;
when the tensioning mechanism of the circular chain conveyor is tensioned, the movable adjusting plate 8 drives the main shaft 11 to move left and right.
Particularly, the fixed straining device 9 that is provided with of aircraft nose or tail department of round-link chain conveyer, round-link chain conveyer aircraft nose or tail 7 are connected through movable adjusting plate 8 with straining device 9, and main shaft 11 passes through the bearing frame to be installed on the movable adjusting plate 8, wherein, movable adjusting plate 8 can carry out the side-to-side movement, when tensioning screw 1 is rotatory, movable adjusting plate 8 can drive main shaft 11 and carry out the side-to-side movement. Because the circular chain can extend after a period of time, the chain needs to be tensioned, the head or the tail is fixed when the chain is tensioned, when the tensioning screw 1 is rotated, the tensioning screw 1 can transmit a force to the tensioning element 6 (a tensioning element such as a belleville spring, a compression spring or a cylinder) above the tensioning mechanism 9, because the tensioning screw 1 is abutted against the vertical plate on the left side of the movable adjusting plate 8 through the tensioning element 6, and the machine head and the machine tail are fixed, when the tensioning screw is rotated, the movable adjusting plate 8 can drive the main shaft of the machine head or the machine tail to move left and right, the moving direction of the movable adjusting plate is also the moving direction of the main shaft, thus, after tensioning, the wheel base between the main shafts is changed, and the length of the circular chain hung on the main shaft 11 is not changed, thereby the ring chain has been strained, and axle both sides are through adjusting like this, not only have strained the chain, and both sides atress is even moreover. The working principle of other tensioning elements such as compression spring, air cylinder, tension spring < stress direction is opposite > and the like is the same as the process. The chain tensioning of the circular chain conveyor is realized, the stress on the two sides of the main shaft is uniform, the technical effects of loosening of the whole chain, tooth jumping and wheel slipping are avoided, and the technical problems that the whole chain is loosened, the tooth jumping and the wheel slipping are caused in the working process of the circular chain conveyor in the prior art, and the working state is influenced are solved.
The technical scheme provided in the application at least has the following technical effects or advantages:
the application provides straining device of round-link chain conveyer, straining device of round-link chain conveyer includes: a tensioning screw comprising a first portion, a second portion, wherein a cross-sectional inner diameter length of the first portion is greater than a cross-sectional inner diameter length of the second portion; the fixing nut is arranged at the middle section of the first part of the tensioning screw; the locking nut is arranged on the first part of the tensioning screw and is positioned on one side, far away from the second part, of the fixing nut; a cotter pin arranged at the end of the second part of the tensioning screw and located at one end far away from the first part; a retainer ring connected to the cotter pin on the second portion; and the tensioning element is arranged at the other end of the second part and is positioned at the joint of the first part and the second part, wherein the tensioning element is an elastic element, and the inner diameter of the tensioning element is smaller than the section inner diameter of the first part. When in use, the tensioning screw is rotated, the tensioning screw can transmit force to the tensioning element on the tensioning mechanism, because the tensioning screw is tightly abutted against the vertical plate of the head and the tail through the tensioning element 6 and the head and the tail are fixed, when the tensioning screw is rotated, the main shaft of the machine head or the machine tail can be driven to move left and right, the shaft distance of the main shaft of the ring chain conveyor is tensioned to change, the length of the ring chain hung on the main shaft is not changed, thereby tensioning the round-link chain, tensioning the chain by adjusting the two sides of the main shaft, uniformly stressing the two sides, tensioning the chain of the round-link chain conveyor, uniformly stressing the two sides of the main shaft, avoiding the technical effects of loosening the whole chain, jumping teeth and disengaging wheels, thereby the technical problem that the working state of the circular chain conveyor is influenced by the phenomena of loosening of the whole chain, tooth jumping, wheel dropping and the like in the working process in the prior art is solved.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the embodiments of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (7)
1. The utility model provides a straining device of round-link chain conveyer which characterized in that, straining device of round-link chain conveyer includes:
a tensioning screw comprising a first portion, a second portion, wherein a cross-sectional inner diameter length of the first portion is greater than a cross-sectional inner diameter length of the second portion;
the fixing nut is arranged at the middle section of the first part of the tensioning screw;
the locking nut is arranged on the first part of the tensioning screw and is positioned on one side, far away from the second part, of the fixing nut;
the split pin is arranged at the end of the second part of the tensioning screw and is positioned at one end far away from the first part;
a retainer ring connected to the cotter pin on the second portion;
and the tensioning element is arranged at the other end of the second part and is positioned at the joint of the first part and the second part, wherein the tensioning element is an elastic element, and the inner diameter of the tensioning element is smaller than the section inner diameter of the first part.
2. The round-link chain conveyor tensioning mechanism of claim 1, wherein the tensioning element is a belleville spring.
3. The round-link chain conveyor tensioning mechanism according to claim 1, wherein the tensioning element is a compression spring.
4. The round-link chain conveyor tensioning mechanism according to claim 1, wherein the tensioning element is a cylinder or a tension spring.
5. The tensioning mechanism of a round-link chain conveyor according to claim 2, wherein the belleville spring specification is GB/T1972-1992, phi 71X phi 36X 4.
6. The tension mechanism of a round-link chain conveyor according to claim 2, wherein the compression preload of the tension element is 0.5 to 2 tons.
7. A round-link chain conveyor, characterized in that, the round-link chain conveyor includes the straining device of any one of claims 1-6, the straining device of round-link chain conveyor is fixed to be set up in round-link chain conveyor aircraft nose or tail department, wherein, round-link chain conveyor includes:
the movable adjusting plate is arranged at the head or the tail of the circular chain conveyor, and comprises a vertical plate which is connected with a tensioning element of a tensioning mechanism of the circular chain conveyor and can move left and right on the head or the tail of the circular chain conveyor;
the main shaft is arranged on the movable adjusting plate through a bearing seat;
a chain disposed on the main shaft;
when the tensioning mechanism of the circular ring chain conveyor is tensioned, the movable adjusting plate drives the main shaft to move left and right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122535363.3U CN216582451U (en) | 2021-10-21 | 2021-10-21 | Tensioning mechanism of round-link chain conveyor and round-link chain conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122535363.3U CN216582451U (en) | 2021-10-21 | 2021-10-21 | Tensioning mechanism of round-link chain conveyor and round-link chain conveyor |
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| Publication Number | Publication Date |
|---|---|
| CN216582451U true CN216582451U (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122535363.3U Active CN216582451U (en) | 2021-10-21 | 2021-10-21 | Tensioning mechanism of round-link chain conveyor and round-link chain conveyor |
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| CN (1) | CN216582451U (en) |
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- 2021-10-21 CN CN202122535363.3U patent/CN216582451U/en active Active
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