CN215363309U - Tightness adjusting device for scraper chain of grain scraper conveyor - Google Patents
Tightness adjusting device for scraper chain of grain scraper conveyor Download PDFInfo
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- CN215363309U CN215363309U CN202121394655.3U CN202121394655U CN215363309U CN 215363309 U CN215363309 U CN 215363309U CN 202121394655 U CN202121394655 U CN 202121394655U CN 215363309 U CN215363309 U CN 215363309U
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Abstract
The utility model discloses an elasticity adjusting device for a scraper chain of a grain scraper conveyor, which comprises a protective shell, wherein an adjusting structure is arranged at the top end inside the protective shell, mounting structures are fixedly connected to two sides of the top end of the adjusting structure, and a transmission structure is arranged at one end of the adjusting structure. The adjusting structure is used for adjusting the distance of the roller shaft and reinforcing the transmission effect of the chain and the roller, the working principle of the adjusting structure is that a servo motor is started to drive a transmission rod body to rotate, external threads which are symmetrically distributed are arranged on two sides of the transmission rod body and are convenient to transmit with a transmission slide block, so that the transmission slide block moves along the opposite direction, and the transmission slide block and a second transmission roller shaft are fixedly driven to drive a second transmission roller shaft and a third transmission roller shaft to move towards two sides so as to support a transmission crawler belt.
Description
Technical Field
The utility model relates to the technical field, in particular to an elasticity adjusting device for a scraper chain of a grain scraper conveyor.
Background
The scraper blade is a device that is used for collecting grain, and grain generally indicates the staple food that the small particle volume is big such as cereal and beans, and the dry storage of being convenient for need spread grain at the in-process that dries, is convenient for pick and dries moisture, and the great needs of work load use the scraper blade supplementary, but the present an elasticity adjusting device for scraper blade chain of grain has many problems or defects:
firstly, the scraper is inconvenient to adjust the tightness in real time, the scraper is driven by a chain, and a rolling shaft and the chain are easy to deviate due to friction in the using process;
secondly, the traditional scraper chain device for the grain scraper conveyor only can transversely adjust the distance between the rolling shafts to achieve the transmission effect of reinforcing the chain and the rolling shafts, and the horizontal accommodating space of the machine is limited, so that the tightness of the chain cannot be adjusted on the premise of ensuring that the distance of the rolling shafts in the horizontal direction is not changed;
thirdly, a traditional scraper chain device for a grain scraper conveyor cannot install a fixed roller and a scraper, and because the yield of grains is large, the scraper is used for a long time, the abrasion is large, the service life is short, and the grain scraper conveyor needs to be replaced in time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a scraper chain device for a grain scraper conveyor, which solves the problems that the scrapers proposed in the background art are inconvenient to adjust in real time, only the distance between rollers can be transversely adjusted, and the rollers and the scrapers cannot be fixedly installed.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an elasticity adjusting device for scraper blade chain of machine is scraped to grain, includes protective housing, the inside top of protective housing is equipped with the regulation structure, and adjusts the both sides fixedly connected with mounting structure on structure top, the one end of adjusting the structure is equipped with transmission structure.
Preferably, adjust the structure and include servo motor, fixed connection between servo motor and the protective housing, one side fixedly connected with transmission body of rod of servo motor, and the both sides of the transmission body of rod are equipped with two sets of external screw threads respectively, the both sides of the transmission body of rod run through have with the external screw thread transmission slider of mutually supporting, transmission slider and external screw thread are about the axis symmetric distribution of the transmission body of rod.
Preferably, the one end fixedly connected with second driving roller axle of driving slider, and one side of second driving roller axle is equipped with the third driving roller axle, second driving roller axle and third driving roller axle respectively with two sets of driving slider fixed connection, the drive track has been cup jointed to the one end of second driving roller axle, and the contact between drive track and the second driving roller axle is connected, is the transmission relation, the inside bottom of drive track is equipped with first driving roller axle.
Preferably, the transmission structure is including rocking the handle, and the first transmission gear of one side fixedly connected with of rocking the handle, and the top of first transmission gear one side is equipped with second drive gear, be the rodent transmission relation between second drive gear and the first transmission gear.
Preferably, the top end of the second transmission gear is fixedly connected with a transmission threaded rod, a movable sliding block penetrates through the top end of the transmission threaded rod, the movable sliding block and the transmission threaded rod are in a threaded transmission relationship, and the movable sliding block is fixedly connected with the first transmission roller shaft.
Preferably, the mounting structure is including receiving the material scraper blade, one side of receiving the material scraper blade is equipped with positioning channel, and positioning channel's inside runs through there is fixed knob, fixed knob's top and bottom all are equipped with the external screw thread, fixed knob's top is equipped with fixed slot, and fixed connection between fixed slot and the second driving roller axle, fixed slot and positioning channel's inside is equipped with the internal thread that mutually supports with fixed knob, elastic element has been run through on fixed knob's top, elastic element establishes the position between fixed slot and positioning channel.
Compared with the prior art, the utility model has the beneficial effects that: this an elasticity adjusting device for scraper blade chain of machine is scraped to grain has not only realized being convenient for real-time regulation, has realized only can be horizontal the distance between the regulation roller bearing, has realized moreover that fixed roller bearing and scraper blade can be installed:
(1) the tightness of a scraper chain can be conveniently adjusted in real time through transmission of an adjusting structure, a scraper is transmitted through the chain, the friction between a roller and the chain is easy to deviate in the using process, the adjusting structure is used for reinforcing the transmission effect of the chain and the roller by adjusting the distance between the roller shafts, the working principle of the adjusting structure is that a servo motor is started to drive a transmission rod body to rotate, external threads which are symmetrically distributed are arranged on two sides of the transmission rod body and are convenient to transmit with a transmission slide block, so that the transmission slide block moves along opposite directions, and the transmission slide block and a second transmission roller shaft are fixedly driven to move towards two sides of a second transmission roller shaft and a third transmission roller shaft to prop up a transmission crawler;
(2) the chain is conveniently and auxiliarily adjusted through the transmission structure, the traditional device can only transversely adjust the distance between the rolling shafts to reinforce the transmission effect of the chain and the rolling shafts, but the space which can be accommodated in the horizontal direction of the machine is limited, the transmission structure has the advantage that the tightness of the chain is adjusted on the premise of ensuring the distance of the rolling shafts in the horizontal direction to be unchanged, the working principle of the transmission structure is that the shaking handle is shaken to drive the first transmission gear to rotate, the first transmission gear and the second transmission gear are in transmission to drive the transmission threaded rod to rotate, the top end of the transmission threaded rod penetrates through the movable sliding block, and the two transmission gears are in threaded transmission to drive the movable sliding block to move up and down;
(3) can fix the scraper blade on the roller bearing through mounting structure, because the output of grain is great, the scraper blade is used for a long time, and wearing and tearing are great, and life is shorter, needs timely change, and mounting structure's theory of operation is through fixed knob through connection receipts material scraper blade and second driving roller axle, reaches the fixed action, and the top and the bottom of fixed knob are equipped with two sets of external screw threads respectively.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a partially enlarged schematic view of the transmission structure of the present invention;
FIG. 3 is a partially enlarged view of the adjustment structure of the present invention;
fig. 4 is a partially enlarged structural schematic view of the mounting structure of the present invention.
In the figure: 1. a protective housing; 2. an adjustment structure; 201. a first drive roller shaft; 202. a servo motor; 203. a second drive roller shaft; 204. a third drive roller shaft; 205. a drive track; 206. a drive rod body; 207. a transmission slide block; 3. a transmission structure; 301. shaking the handle; 302. a first drive gear; 303. a second transmission gear; 304. moving the slide block; 305. a transmission threaded rod; 4. a mounting structure; 401. fixing the clamping groove; 402. an elastic element; 403. positioning the clamping groove; 404. fixing the knob; 405. a material receiving scraper.
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. 1-4, an embodiment of the present invention is shown: an elasticity adjusting device for a scraper chain of a grain scraper conveyor comprises a protective shell 1, wherein an adjusting structure 2 is arranged at the top end inside the protective shell 1;
the adjusting structure 2 comprises a servo motor 202, the servo motor 202 is fixedly connected with the protective shell 1, one side of the servo motor 202 is fixedly connected with a transmission rod body 206, two sets of external threads are respectively arranged on two sides of the transmission rod body 206, transmission sliding blocks 207 matched with the external threads penetrate through two sides of the transmission rod body 206, the transmission sliding blocks 207 and the external threads are symmetrically distributed around the central axis of the transmission rod body 206, one end of each transmission sliding block 207 is fixedly connected with a second transmission roller shaft 203, and one side of the second transmission roller shaft 203 is provided with a third transmission roller shaft 204, the second transmission roller shaft 203 and the third transmission roller shaft 204 are respectively and fixedly connected with two groups of transmission sliding blocks 207, one end of the second transmission roller shaft 203 is sleeved with a transmission crawler 205, the transmission crawler 205 is in contact connection with the second transmission roller shaft 203 and is in transmission relation, and a first transmission roller shaft 201 is arranged at the bottom end inside the transmission crawler 205;
specifically, as shown in fig. 1 and 3, when the mechanism is used, firstly, the tightness of the scraper chain can be conveniently adjusted in real time through the transmission of the adjusting structure 2, the scraper is transmitted through the chain, the friction between the chain and the roller shaft is easy to deviate in the using process, the adjusting structure 2 is used for reinforcing the transmission effect of the chain and the chain through adjusting the distance between the roller shafts, the working principle of the adjusting structure 2 is that the servo motor 202 is started to drive the transmission rod body 206 to rotate, the two sides of the transmission rod body 206 are provided with symmetrically distributed external threads which are convenient to transmit with the transmission slider 207, so that the transmission slider 207 moves along the opposite direction, the transmission slider 207 and the second transmission roller shaft 203 fixedly drive the second transmission roller shaft 203 and the third transmission roller shaft 204 to move towards the two sides, the transmission caterpillar track 205 is supported, and the first transmission roller shaft 201 is connected with the transmission structure 3, so as to facilitate the work of the auxiliary transmission structure 3;
the two sides of the top end of the adjusting structure 2 are fixedly connected with mounting structures 4, each mounting structure 4 comprises a material receiving scraper plate 405, one side of each material receiving scraper plate 405 is provided with a positioning clamping groove 403, a fixing knob 404 penetrates through the inside of each positioning clamping groove 403, external threads are arranged at the top end and the bottom end of each fixing knob 404, the top end of each fixing knob 404 is provided with a fixing clamping groove 401, each fixing clamping groove 401 is fixedly connected with the corresponding second transmission roller shaft 203, internal threads matched with the corresponding fixing knob 404 are arranged inside each fixing clamping groove 401 and the corresponding positioning clamping groove 403, the top end of each fixing knob 404 penetrates through an elastic element 402, and each elastic element 402 is arranged between the corresponding fixing clamping groove 401 and the corresponding positioning clamping groove 403;
specifically, as shown in fig. 1 and 4, when the mechanism is used, firstly, the scraper can be fixed on the roller through the mounting structure 4, because the yield of grains is large, the scraper is used for a long time, the abrasion is large, the service life is short, and the scraper needs to be replaced in time, the mounting structure 4 has the working principle that the fixed knob 404 penetrates through and is connected with the receiving scraper 405 and the second transmission roller shaft 203 to achieve the fixing effect, two groups of external threads are respectively arranged at the top end and the bottom end of the fixed knob 404 and are respectively fixedly connected with the fixed clamping groove 401 and the positioning clamping groove 403, and the elastic element 402 is used for protecting the joint and preventing over-strong force;
one end of the adjusting structure 2 is provided with a transmission structure 3, the transmission structure 3 comprises a shaking handle 301, one side of the shaking handle 301 is fixedly connected with a first transmission gear 302, the top end of one side of the first transmission gear 302 is provided with a second transmission gear 303, the second transmission gear 303 and the first transmission gear 302 are in a mesh transmission relationship, the top end of the second transmission gear 303 is fixedly connected with a transmission threaded rod 305, the top end of the transmission threaded rod 305 penetrates through a movable sliding block 304, the movable sliding block 304 and the transmission threaded rod 305 are in a thread transmission relationship, and the movable sliding block 304 and the first transmission roller shaft 201 are fixedly connected;
specifically, as shown in fig. 1 and fig. 2, when using the mechanism, firstly, the transmission structure 3 is convenient for auxiliary adjustment of the chain, the conventional device can only transversely adjust the distance between the rollers to reinforce the transmission effect of the chain and the rollers, but the machine has a limited space in the horizontal direction, the transmission structure 3 has the advantage of adjusting the tightness of the chain on the premise of keeping the distance of the rollers in the horizontal direction unchanged, the transmission structure 3 works according to the principle that the shaking handle 301 is shaken to drive the first transmission gear 302 to rotate, the first transmission gear 302 and the second transmission gear 303 drive the transmission threaded rod 305 to rotate, the top end of the transmission threaded rod 305 penetrates through the movable slider 304, the two gears drive the movable slider 304 to move up and down through thread transmission, the movable slider 304 is fixedly connected with the first transmission roller 201 to drive the first transmission roller 201 to move in the vertical direction, the tightness of the chain is adjusted.
The working principle is as follows: when the chain scraper is used, firstly, the tightness of the chain scraper can be conveniently adjusted in real time through transmission of the adjusting structure 2, the adjusting structure 2 has the function of reinforcing the transmission effect of the chain and the roller by adjusting the distance between the roller shafts, the operating principle of the adjusting structure 2 is that the servo motor 202 is started to drive the transmission rod body 206 to rotate, the two sides of the transmission rod body 206 are provided with symmetrically distributed external threads, the transmission slider 207 can conveniently transmit with the transmission slider 207, so that the transmission slider 207 moves along the opposite direction, the transmission slider 207 and the second transmission roller shaft 203 are fixedly driven to drive the second transmission roller shaft 203 and the third transmission roller shaft 204 to move towards the two sides, the transmission crawler 205 is supported, the first transmission roller shaft 201 is connected with the transmission structure 3, and the auxiliary transmission structure 3 can conveniently work.
Afterwards, be convenient for supplementary regulation chain through transmission structure 3, transmission structure 3's advantage is the elasticity of adjusting the chain under the unchangeable prerequisite of assurance roller bearing horizontal direction distance, transmission structure 3's theory of operation is through waveing handle 301 and drive first transmission gear 302 rotatory, first transmission gear 302 and the transmission of second transmission gear 303 rodent, it is rotatory to drive transmission threaded rod 305, the top of transmission threaded rod 305 runs through and removes slider 304, the two screw drive, it reciprocates to drive and remove slider 304, fixed connection between removal slider 304 and the first transmission roller 201, it removes to drive first transmission roller 201 vertical direction, the elasticity of regulation chain.
Finally, the scraper blade can be fixed on the roller through the mounting structure 4, the mounting structure 4 works on the principle that the fixed knob 404 is connected with the receiving scraper blade 405 and the second transmission roller shaft 203 in a penetrating mode to achieve a fixing effect, the top end and the bottom end of the fixed knob 404 are respectively provided with two sets of external threads which are respectively fixedly connected with the fixed clamping groove 401 and the positioning clamping groove 403, and the elastic element 402 is used for protecting the joint and preventing the excessive force.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a tightness degree adjusting device for scraper blade chain of machine is scraped to grain, includes protective housing (1), its characterized in that: the top of protective housing (1) inside is equipped with adjusts structure (2), and adjusts both sides fixedly connected with mounting structure (4) on structure (2) top, the one end of adjusting structure (2) is equipped with transmission structure (3).
2. The tightness adjusting device for the scraper chain of the grain scraper conveyor according to claim 1, characterized in that: adjust structure (2) and include servo motor (202), fixed connection between servo motor (202) and protective housing (1), one side fixedly connected with the transmission body of rod (206) of servo motor (202), and the both sides of the transmission body of rod (206) are equipped with two sets of external screw threads respectively, the both sides of the transmission body of rod (206) run through have with the external screw thread transmission slider (207) of mutually supporting, transmission slider (207) and external screw thread are about the axis symmetric distribution of the transmission body of rod (206).
3. The tightness adjusting device for the scraper chain of the grain scraper conveyor according to claim 2, characterized in that: one end fixedly connected with second driving roller axle (203) of transmission slider (207), and one side of second driving roller axle (203) is equipped with third driving roller axle (204), second driving roller axle (203) and third driving roller axle (204) respectively with two sets of transmission slider (207) fixed connection, transmission track (205) have been cup jointed to the one end of second driving roller axle (203), and contact between transmission track (205) and second driving roller axle (203) is connected, is the transmission relation, the inside bottom of transmission track (205) is equipped with first driving roller axle (201).
4. The tightness adjusting device for the scraper chain of the grain scraper conveyor according to claim 3, characterized in that: drive structure (3) are including rocking handle (301), the first transmission gear (302) of one side fixedly connected with of rocking handle (301), and the top of first transmission gear (302) one side is equipped with second transmission gear (303), be the rodent transmission relation between second transmission gear (303) and first transmission gear (302).
5. The tightness adjusting device for the scraper chain of the grain scraper conveyor according to claim 4, characterized in that: the top end of the second transmission gear (303) is fixedly connected with a transmission threaded rod (305), a movable sliding block (304) penetrates through the top end of the transmission threaded rod (305), the movable sliding block (304) and the transmission threaded rod (305) are in a thread transmission relation, and the movable sliding block (304) is fixedly connected with the first transmission roller shaft (201).
6. The tightness adjusting device for the scraper chain of the grain scraper conveyor according to claim 1, characterized in that: mounting structure (4) are including receiving material scraper blade (405), one side of receiving material scraper blade (405) is equipped with positioning groove (403), and positioning groove (403) inside runs through and has fixed knob (404), the top and the bottom of fixed knob (404) all are equipped with the external screw thread, the top of fixed knob (404) is equipped with fixed slot (401), and fixed connection between fixed slot (401) and second transmission roller axle (203), the inside of fixed slot (401) and positioning groove (403) is equipped with the internal thread of mutually supporting with fixed knob (404), elastic element (402) is run through on the top of fixed knob (404), elastic element (402) establish the position between fixed slot (401) and positioning groove (403).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121394655.3U CN215363309U (en) | 2021-06-23 | 2021-06-23 | Tightness adjusting device for scraper chain of grain scraper conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121394655.3U CN215363309U (en) | 2021-06-23 | 2021-06-23 | Tightness adjusting device for scraper chain of grain scraper conveyor |
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| CN215363309U true CN215363309U (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121394655.3U Active CN215363309U (en) | 2021-06-23 | 2021-06-23 | Tightness adjusting device for scraper chain of grain scraper conveyor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115027900A (en) * | 2022-06-27 | 2022-09-09 | 安徽华宏机械设备有限公司 | Detachable roller device for belt conveyor |
-
2021
- 2021-06-23 CN CN202121394655.3U patent/CN215363309U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115027900A (en) * | 2022-06-27 | 2022-09-09 | 安徽华宏机械设备有限公司 | Detachable roller device for belt conveyor |
| CN115027900B (en) * | 2022-06-27 | 2023-09-12 | 安徽华宏机械设备有限公司 | Detachable carrier roller device for belt conveyor |
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