CN215521848U - Transmission chain tensioning device for scraper - Google Patents
Transmission chain tensioning device for scraper Download PDFInfo
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- CN215521848U CN215521848U CN202121829661.7U CN202121829661U CN215521848U CN 215521848 U CN215521848 U CN 215521848U CN 202121829661 U CN202121829661 U CN 202121829661U CN 215521848 U CN215521848 U CN 215521848U
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Abstract
The utility model relates to the technical field of auxiliary devices of scraper machines, and provides a transmission chain tensioning device for a scraper machine, which comprises a transmission chain, a pressing component, a tensioning component, a telescopic component and a mounting component, wherein the transmission chain is mounted on the scraper machine, the pressing component is used for pressing the transmission chain in a tensioning state, the tensioning component is used for pulling the transmission chain outwards to enable the transmission chain to be in the tensioning state, the pressing component and the tensioning component are mounted on the same side of the transmission chain, and the telescopic component is used for driving the pressing component and the tensioning component to move. The safety of use is increased.
Description
Technical Field
The utility model relates to the technical field of scraper auxiliary devices, in particular to a transmission chain tensioning device for a scraper.
Background
In the coal mining in coal mines, a scraper conveyor is generally used, and the scraper conveyor is dragged by a scraper chain, and a conveyor for conveying bulk materials in a groove not only has the function of conveying coal and materials, but also is a running track of a coal mining machine, so that the scraper conveyor is an indispensable main device in the modern coal mining process, wherein a transmission chain forms an indispensable part of the scraper conveyor.
However, in the continuous use process of the transmission chain of the prior scraper conveyor, the transmission chain is easy to loosen, the equipment is large, the vibration is large during starting, and the phenomenon of tooth jumping of the transmission chain loosened in the operation process is easy to happen, so that safety accidents are easily caused.
Disclosure of Invention
In order to solve the technical problems in the prior art, the utility model provides a transmission chain tensioning device for a scraper, which aims to solve the problems that in the background art, the transmission chain is easy to loosen in the continuous use process and the loose transmission chain is easy to have the tooth jumping phenomenon in the operation process.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a driving chain overspeed device tensioner for scraper blade machine, is including installing driving chain on the scraper blade machine, compressing tightly subassembly, taut subassembly, flexible subassembly and installation component, compress tightly the subassembly and be used for pressing the driving chain in and make it be in the tensioning state, taut subassembly is used for outer drive chain of drawing and makes it be in the tensioning state, compress tightly subassembly and taut subassembly and install in the same one side of driving chain, flexible subassembly is used for the drive to compress tightly the subassembly, the taut subassembly removes, the installation component includes fixed mounting part and movable mounting part, the fixed mounting part is used for fixed flexible subassembly, the movable mounting part is rotationally installed on the fixed mounting part.
Preferably, the compressing assembly comprises two first fixing plates, two first side plates, two first guide wheels and two first connecting rods, the two first side plates are symmetrically fixed on the first fixing plates, the two first connecting rods are connected between the two first side plates, and the first guide wheels are rotatably connected to the outer portions of the first connecting rods.
Preferably, the tensioning assembly comprises a second guide wheel, a second fixing plate, a second side plate and a second connecting rod, the second side plate is fixed on the second fixing plate, the second connecting rod is fixed on the side wall of the second side plate, the second guide wheel is rotatably connected to the outer portion of the second connecting rod, and a baffle is mounted at one end, far away from the second side plate, of the second connecting rod.
Preferably, the telescopic assembly is two electric telescopic rods, and the output end parts of the two electric telescopic rods are respectively installed on the first fixing plate and the second fixing plate.
Preferably, the fixed mounting part is a fixed mounting plate fixed on two electric telescopic rods and far away from the output end, the movable mounting part comprises a movable mounting plate, a bearing and a vertical rod, one side of the fixed mounting plate, far away from the electric telescopic rods, is symmetrically provided with a groove, the bearing is mounted inside the groove, the vertical rod is connected with an inner shaft of the bearing, and the movable mounting plate is connected with the outer end of the vertical rod.
Preferably, the movable mounting plate, the grooves, the bearings and the upright rods are the same in number, and mounting holes are formed in the outer wall of the movable mounting plate.
The utility model has the technical effects that:
1. according to the utility model, by arranging the pressing assembly, the tensioning assembly and the telescopic assembly, when the transmission chain is loosened, the pressing assembly and the tensioning assembly can be driven to move by using the telescopic assembly, and the transmission chain is rapidly tightened by using the pressing assembly and the tensioning assembly, so that the phenomenon of tooth jumping of the loosened transmission chain in the operation process can be effectively avoided, the safety accident is avoided, and the use safety is improved.
2. According to the utility model, by additionally arranging the movable mounting part, when the tensioning device is mounted and fixed, the rotation of the upright rod connected with the bearing can be utilized to realize the rotation of the movable mounting plate, the mounting position of the movable mounting plate can be freely changed according to the mounting requirement, the installation is not limited to a fixed position, and the flexibility is strong.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the hold-down assembly of the present invention;
FIG. 3 is a schematic structural view of a take-up assembly of the present invention;
FIG. 4 is a top view of the movable mounting plate of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 1;
wherein, 1, a transmission chain; 2. an electric telescopic rod; 3. a first fixing plate; 4. a first side plate; 5. a first guide wheel; 6. a second guide wheel; 7. a second fixing plate; 8. a second side plate; 9. fixing the mounting plate; 10. a movable mounting plate; 11. a first connecting rod; 12. a second connecting rod; 13. a baffle plate; 14. a groove; 15. a bearing; 16. and (6) erecting a rod.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a driving chain overspeed device tensioner for scraper blade machine, including installing driving chain 1 on the scraper blade machine, compress tightly the subassembly, tensioning assembly, flexible subassembly and installation component, it is used for pressing in driving chain 1 and makes it be in the tensioning state to compress tightly the subassembly, tensioning assembly is used for outer drive chain 1 of drawing and makes it be in the tensioning state, it installs in same one side of driving chain 1 to compress tightly subassembly and tensioning assembly, flexible subassembly is used for the drive to compress tightly the subassembly, tensioning assembly removes, installation component includes fixed mounting part and movable mounting part, fixed mounting part is used for fixed flexible subassembly, movable mounting part rotationally installs on fixed mounting part, and is concrete, driving chain 1 is by the action wheel and from driving wheel cooperation transmission.
Further, the pressing assembly comprises a first fixing plate 3, two first side plates 4, first guide wheels 5 and first connecting rods 11, the two first side plates 4 are symmetrically fixed on the first fixing plate 3, the first connecting rods 11 are connected between the two first side plates 4, the first guide wheels 5 are rotatably connected to the outer portions of the first connecting rods 11, the first guide wheels 5 are rotated to be pressed on the transmission chain 1 through the outer portions of the first connecting rods 11, and the tensioning state of the transmission chain 1 is changed by changing the pressing degree of the first guide wheels 5.
Further, the tensioning assembly comprises a second guide wheel 6, a second fixing plate 7, a second side plate 8 and a second connecting rod 12, the second side plate 8 is fixed on the second fixing plate 7, the second connecting rod 12 is fixed on the side wall of the second side plate 8, the second guide wheel 6 is rotatably connected to the outside of the second connecting rod 12, a baffle 13 is installed at one end, far away from the second side plate 8, of the second connecting rod 12, the second guide wheel 6 is rotated to abut against the transmission chain 1 by utilizing the outside of the second connecting rod 12, the tensioning state of the transmission chain 1 is changed by changing the outward pulling degree of the second guide wheel 6, wherein the additionally arranged baffle 13 is used for blocking the second guide wheel 6, and the second guide wheel 6 is prevented from sliding down from the second connecting rod 12.
Further, the flexible subassembly is two electric telescopic handle 2, and the output tip of two electric telescopic handle 2 is installed respectively on first fixed plate 3 and second fixed plate 7, and it is comparatively convenient to utilize electric telescopic handle 2 drive to compress tightly the subassembly and take-up subassembly to remove.
Further, the fixed mounting portion is fixed at the fixed mounting plate 9 that two electric telescopic handle 2 kept away from output end portion, the movable mounting portion includes movable mounting board 10, bearing 15 and pole setting 16, fixed mounting board 9 keeps away from one side symmetry of electric telescopic handle 2 and sets up fluted 14, bearing 15 is installed inside recess 14, pole setting 16 links to each other with the interior axle of bearing 15, movable mounting board 10 links to each other with the outer tip of pole setting 16, movable mounting board 10, recess 14, bearing 15 is the same with pole setting 16's quantity, and the mounting hole has been seted up to the exterior wall of movable mounting board 10, when this overspeed device tensioner is fixed in the installation, utilize the rotation of pole setting 16 that links to each other with bearing 15, can realize movable mounting board 10's rotation, can freely change movable mounting board 10's mounted position according to the installation needs, the fixed position is not restricted to the installation, the flexibility is strong.
Specifically, the present invention can be explained by the following embodiments to realize the tension state of the drive chain.
First embodiment (when only a hold-down assembly or a take-up assembly is used, the drive chain 1 has less loose floating):
specifically, a pressing component or a tensioning component can be selected according to the space condition, when only the pressing component is used, the tensioning component is not moved, the electric telescopic rod 2 is used for driving the first fixing plate 3 to move, so that one end of the transmission chain 1 is pressed in the first guide wheel 5, and at the moment, the second guide wheel 6 plays a role in abutting and limiting; when only using taut subassembly, compress tightly the subassembly and motionless, utilize electric telescopic handle 2 drive second fixed plate 7 to remove, and then make the second guide pulley 6 draw the one end of driving chain 1 outward, at this moment, first guide pulley 5 plays and supports tight limiting displacement.
Second embodiment (pressing and tensioning assemblies in combination, when the drive chain 1 is in large loose floating):
specifically, utilize electric telescopic handle 2 drive first fixed plate 3 to remove, make the one end of pressure driving chain 1 in the first guide pulley 5, utilize another electric telescopic handle 2 drive second fixed plate 7 to remove simultaneously, make the other end of the outer driving chain 1 of drawing of second guide pulley 6, through the first guide pulley 5 with the second guide pulley 6 tight elasticity in one and more big driving chain 1 of elasticity, effectual.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a driving chain overspeed device tensioner for scraper blade machine which characterized in that includes:
a transmission chain (1) arranged on the scraper conveyor;
the pressing assembly is used for pressing the transmission chain (1) in a tensioning state;
the tensioning assembly is used for outwards pulling the transmission chain (1) to be in a tensioning state, and the pressing assembly and the tensioning assembly are arranged on the same side of the transmission chain (1);
the telescopic assembly is used for driving the pressing assembly and the tensioning assembly to move;
the mounting assembly comprises a fixed mounting part and a movable mounting part, the fixed mounting part is used for fixing the telescopic assembly, and the movable mounting part is rotatably mounted on the fixed mounting part.
2. The transmission chain tensioning device for the scraper conveyor as claimed in claim 1, wherein the pressing assembly comprises a first fixing plate (3), two first side plates (4), two first guide wheels (5) and two first connecting rods (11), the two first side plates (4) are symmetrically fixed on the first fixing plate (3), the two first connecting rods (11) are connected between the two first side plates (4), and the first guide wheels (5) are rotatably connected to the outer portions of the first connecting rods (11).
3. The tension device of the transmission chain for the scraper conveyor as claimed in claim 2 is characterized in that the tension assembly comprises a second guide wheel (6), a second fixing plate (7), a second side plate (8) and a second connecting rod (12), the second side plate (8) is fixed on the second fixing plate (7), the second connecting rod (12) is fixed on the side wall of the second side plate (8), the second guide wheel (6) is rotatably connected to the outer portion of the second connecting rod (12), and a baffle plate (13) is installed at one end of the second connecting rod (12) far away from the second side plate (8).
4. The transmission chain tensioner for scraper machine as claimed in claim 3, characterized in that the telescopic assembly is two electric telescopic rods (2), and the output ends of the two electric telescopic rods (2) are respectively mounted on the first fixing plate (3) and the second fixing plate (7).
5. The transmission chain tensioning device for the scraper conveyor is characterized in that the fixed mounting part is a fixed mounting plate (9) fixed at the end part, far away from the output end, of each electric telescopic rod (2), the movable mounting part comprises a movable mounting plate (10), a bearing (15) and an upright rod (16), grooves (14) are symmetrically formed in one side, far away from the electric telescopic rods (2), of the fixed mounting plate (9), the bearing (15) is mounted inside the groove (14), the upright rod (16) is connected with an inner shaft of the bearing (15), and the movable mounting plate (10) is connected with the outer end part of the upright rod (16).
6. The tension device of the transmission chain for the scraper machine is characterized in that the movable mounting plate (10), the groove (14), the bearing (15) and the upright (16) are the same in number, and the outer wall of the movable mounting plate (10) is provided with mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121829661.7U CN215521848U (en) | 2021-08-06 | 2021-08-06 | Transmission chain tensioning device for scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121829661.7U CN215521848U (en) | 2021-08-06 | 2021-08-06 | Transmission chain tensioning device for scraper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215521848U true CN215521848U (en) | 2022-01-14 |
Family
ID=79789883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121829661.7U Active CN215521848U (en) | 2021-08-06 | 2021-08-06 | Transmission chain tensioning device for scraper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215521848U (en) |
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2021
- 2021-08-06 CN CN202121829661.7U patent/CN215521848U/en active Active
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