CN211846429U - Car unloader provided with self-adaptive scraping device - Google Patents
Car unloader provided with self-adaptive scraping device Download PDFInfo
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- CN211846429U CN211846429U CN201922030194.0U CN201922030194U CN211846429U CN 211846429 U CN211846429 U CN 211846429U CN 201922030194 U CN201922030194 U CN 201922030194U CN 211846429 U CN211846429 U CN 211846429U
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Abstract
The utility model relates to a be provided with self-adaptation scraper's car unloader, it mainly is that the scraper damages easily and wearing and tearing when clearing up the carriage bottom, can't adjust the scraper width and adjust the scraper height scheduling problem in real time and design according to the carriage of clearing up that the car unloader has current fixed scraper blade. The large-sized chain bucket comprises a chain bucket, a chain wheel, a chain, a bucket frame, a belt conveyor, a winding drum, a large car frame, a lifting steel wire rope, a scraping device, a scraping plate limiting block and a large car travelling wheel. The scraper device is installed in one side of the lower side of the bucket rack through a pin shaft, the scraper limiting block is fixed on the bucket rack, the four connecting rods of the scraper device are divided into two groups of symmetrical parts which are arranged on two sides of the bucket rack, the upper end of each connecting rod is hinged with the pin shaft on the bucket rack, the lower end of each connecting rod is hinged with the pin shaft on the scraper, the balancing weight is fixed on the scraper through a bolt, and the sliding plate can transversely slide on the waist-shaped groove of the scraper through the bolt. The advantage is that scraper blade width and counter weight are conveniently adjusted to the height of scraping the material device ability self-adaptation carriage bottom, increase of service life, reduce cost guarantees the clear material effect.
Description
Technical Field
The utility model relates to a car unloader, concretely relates to car unloader who is provided with self-adaptation scraper belongs to mechanical structure part technical field.
Background
When enterprises such as iron and steel, metallurgy, mining industry and the like use trains to transport granular materials such as mineral powder, coal, water granulated slag and the like, a bucket-chain type unloader is often adopted to unload, a fixed scraper device welded on a middle hopper frame is adopted to clean excess materials of the materials in a railway carriage box body, and in the using process, the following defects exist:
1) when the bucket frame descends too much, the fixed scraping plate on the bucket frame bears most of the weight of the whole central material taking mechanism, the contact force between the scraping plate and the bottom of the carriage is very large, the deformation of the scraping plate is easily caused by the huge contact force, the stripping welding fails, and meanwhile, the contact surface of the scraper plate is quickly abraded and needs to be maintained and repaired. When the hopper frame descends too little, the gap between the scraper and the bottom of the carriage is too large, the residual materials are too much, and the workload of manual cleaning is increased.
2) The transmission chain of chain bucket can prolong after using a period of time, causes the chain bucket lowermost section part to surpass fixed scraper blade minimum, and the process of unloading chain bucket can scrape the carriage bottom, causes the damage of chain bucket and carriage bottom plate, must lengthen fixed scraper blade and be less than 20mm of chain bucket minimum, also makes scraper blade maintenance volume increase.
3) The bottom of the carriage is uneven or the rail of the unloader is not parallel to the rail of the train, so that the difficulty of manually adjusting the gap between the fixed scraping plate and the carriage bottom plate is increased.
4) In order to ensure that the material is cleaned more thoroughly, the gaps between the two sides of the scraper and the carriage need to be adjusted in time, and the fixed scraper is inconvenient to adjust.
Therefore, a new technical solution is urgently needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses just to the problem that exists among the prior art, provide an unloader who is provided with self-adaptation scraper, this technical scheme utilizes the object to descend the steady advantage of characteristics and four-bar linkage movement track automatically under the action of gravity, does not need more complicated mechanism and increases extra power. The material cleaning device can automatically reduce the lowest point according to different heights of the bottom of the carriage when in work, and simultaneously the contact force between the scraper and the bottom of the carriage is reduced, so that the gap caused by abrasion can be compensated, the abrasion speed of the scraper can be reduced, the scraping device can be automatically adjusted along with the height of the bottom of the carriage in the material cleaning process, the difficulty of manual operation is greatly reduced, and when the gap between the two sides of the scraper and the carriage needs to be adjusted, the sliding plates on the two sides can be conveniently adjusted by moving the sliding plates on the two sides. Like this, when having prolonged scraper blade life, having practiced thrift production use cost, also reduced the manual operation degree of difficulty, improved material clearance effect.
In order to achieve the purpose, the technical scheme of the utility model is as follows, an unloader provided with a self-adaptive scraper device is characterized in that the unloader comprises a chain bucket 1, a chain wheel 2, a chain 3, a bucket frame 4, a belt conveyor 5, a winding drum 6, a cart frame 7, a lifting steel wire rope 8, a scraper device 9, a scraper stopper 10 and a cart travelling wheel 11, wherein the cart travelling wheel 11 is arranged below the cart frame 7 and drives a cart to travel along a track under the driving of a motor reducer, the chain bucket 1 is arranged on the chain 3, the chain 3 is connected with the chain bucket 2, the chain wheel 2 is arranged above the bucket frame 4, the chain wheel 2 rotates under the action of the motor reducer to drive the chain and the chain bucket to do annular motion around the bucket frame, the scraper device 9 is arranged on one side below the bucket frame 4 through a pin shaft, the scraper stopper 10 is fixed on the bucket frame 4, the limiting blocks are arranged below the connecting rod pin shafts on two sides of the scraping device, the bucket frame 4, the scraping device, the chain wheel, the chain bucket and the like fall down and are pulled by a winding drum 6 fixed on a cart frame 7 to move up and down, the belt conveyor 5 is arranged on one side of the scraping device on the cart frame, receives materials turned over by the chain bucket and conveys the materials to a material stacking position.
As an improvement of the utility model, scraper 9 includes the bolt of four connecting rods, round pin axle, scraper blade, counterweight plate, slide and fixed counterweight plate and slide, four connecting rods divide into two sets of symmetries and set up the both sides at the bucket rack, the upper end of connecting rod is articulated with the round pin axle on the bucket rack, and the lower extreme is articulated with the round pin axle on the scraper blade, the balancing weight passes through the bolt fastening on the scraper blade.
As an improvement of the utility model, the scraper blade is formed for the preparation of the wear-resisting steel sheet of thick 20mm, and the width is 2600 mm. The bolt holes for fixing the counterweight plates are circular, the bolt holes for fixing the sliding plates are waist-shaped grooves, and the center distance of the groove type is 100 mm.
As an improvement of the utility model, the counterweight plate is made of steel plates, the thickness is 20mm, and the quantity can be adjusted according to the required weight of scraping.
As an improvement of the utility model, the scraper blade stopper is fixed on the bucket rack by the preparation of thick 30mm steel sheet, is 45 degrees with bucket rack vertical direction contained angle, apart from last connecting rod round pin axle center distance 50mm, prevents that connecting rod and bucket rack clamp foot scraper blade from touchhing the chain fill for too little.
As an improvement of the utility model, the slide is by the preparation of thick 20mm steel sheet, and wide 550mm, highly the same with the scraper blade, fixes on the waist type groove of scraper blade, and the slide can be followed the direction in groove and can outwards slide 100mm, but the messenger scrapes the material width lateral adjustment.
Compared with the prior art, the utility model has the advantages that 1) the technical proposal adopts a four-bar mechanism transmission mode, which can ensure the stable operation curve of the bottom of the scraper blade; 2) according to the technical scheme, external force is not needed along with the height change of the scraped plane, and the height can be automatically adjusted under the action of gravity; 3) the technical scheme can adjust the downward pressure of the scraper according to the requirement, and 4) the scheme can conveniently adjust the scraping width; 5) according to the scheme, other external force is not needed, the height of the scraper can be automatically adjusted, the movement track of the scraper is stable, the operation difficulty is reduced, the service life of equipment is prolonged, and the use cost is saved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of the scraping device:
wherein: 1-chain bucket, 2, chain wheel, 3, chain, 4, bucket rack, 5, belt conveyor, 6, winding drum, 7, cart frame, 8, lifting steel wire rope, 9, scraping device, 10, scraper limiting block, 11, cart traveling wheel, 91, connecting rod, 92, pin shaft, 93, scraper, 94, sliding plate, 95, counterweight plate, 96 and bolt.
The specific implementation mode is as follows:
for the purpose of enhancing the understanding of the present invention, the following detailed description is made with reference to the accompanying drawings.
Example 1: referring to fig. 1-2, an unloading machine with a self-adaptive scraping device comprises a chain bucket 1, a chain wheel 2, a chain 3, a bucket frame 4, a belt conveyor 5, a winding drum 6, a cart frame 7, a lifting steel wire rope 8, a scraping device 9, a scraper limiting block 10 and a cart travelling wheel 11, wherein the cart travelling wheel 11 is arranged below the cart frame 7 and drives a cart to travel along a track under the driving of a motor reducer, the chain bucket 1 is arranged on the chain 3, the chain 3 is connected with the chain bucket 2, the chain wheel 2 is arranged above the bucket frame 4, the chain wheel 2 rotates under the action of the motor reducer to drive the chain and the chain bucket to do annular motion around the bucket frame, the scraping device 9 is arranged at one side below the bucket frame 4 through a pin shaft, the scraper limiting block 10 is fixed on the bucket frame 4, and limiting blocks are arranged below connecting rod pin shafts on two sides of the scraping device, the hopper frame 4, the scraping device, the chain wheel, the chain bucket and the like are dragged by the winding drum 6 fixed on the cart frame 7 to move up and down, the belt conveyor 5 is installed on one side of the scraping device on the cart frame and used for receiving materials turned over by the chain bucket and conveying the materials to the material piling position.
Scraper 9 includes that four connecting rods 91, round pin axle 92, scraper blade 93, counterweight plate 95, slide 94 and fixed counterweight plate constitute with the bolt 96 of slide, four connecting rods are thick 30mm, two kinds of specifications of wide 100 mm's length, and the long 600mm of upper connecting rod, the long 450mm of lower connecting rod divide into two sets of symmetries and set up the both sides at the bucket frame, the upper end of connecting rod is articulated with the round pin axle on the bucket frame, and the lower extreme is articulated with the round pin axle on the scraper blade, the balancing weight passes through the bolt fastening on the scraper blade. The sliding plate is fixed on the waist-shaped groove of the scraper through a bolt.
The scraper blade is made for 20 mm's of thickness wear-resisting steel sheet, and height 1000mm, width are 2600 mm. The bolt holes for fixing the counterweight plates are circular, the bolt holes for fixing the sliding plates are waist-shaped grooves, and the center distance of the groove type is 100 mm.
The weight plates are made of steel plates, the thickness of the weight plates is 20mm, the number of the weight plates is 1, and the number of the weight plates can be adjusted according to the material cleaning effect.
The sliding plate is made of 2 steel plates with the width of 550mm and the height of 1000mm, the steel plates are respectively fixed on the waist-shaped grooves on the two sides of the scraper, and the sliding plate can move 100mm outwards along the direction of the grooves, so that the maximum adjustable range of the scraping width is 2600mm-2800 mm.
The scraper limiting block 10 is made of a 30mm steel plate and fixed on the bucket frame to prevent the scraper from touching the chain bucket when the connecting rod and the bucket frame clamp feet are too small. In the embodiment, the included angle between the limiting plate and the vertical direction of the bucket frame is 45 degrees, the distance from the limiting plate to the center of the upper connecting rod pin shaft is 50mm, and the nearest distance between the scraper and the chain bucket is 300 mm.
When the unloader is used for cleaning materials, the unloader can carry out unloading along with the whole unloader to move along a track, the scraping device moves downwards under the action of gravity along with the descending of a material layer, a certain contact force is formed between the scraping plate and a cleaned surface, the weight of the counterweight is adjusted according to the material cleaning effect so as to change the contact force of the scraping plate, the bottom of the scraping plate continuously descends under the action of gravity all the time to make up the gap of the abraded part along with the continuous abrasion of the scraping plate in the scraping process until the scraping plate is abraded to a specified limit position, namely, the scraping plate descends to a position of a limit block, and the limit block reserves enough space to prevent the scraping plate from colliding with a chain bucket.
It should be noted that the above-mentioned embodiments are not intended to limit the scope of the present invention, and all equivalent changes and substitutions made on the basis of the above-mentioned technical solutions are within the scope of the present invention as defined in the claims.
Claims (6)
1. The utility model provides an unloader with self-adaptation scraper, its characterized in that, unloader includes chain bucket, sprocket, chain, bucket frame, band conveyer, reel, cart frame, plays to rise wire rope, scraper stopper, cart walking wheel is in cart frame's below, drives cart and follows the track walking under the drive of motor reducer, the chain bucket is installed on the chain, the chain is connected with the chain bucket, the sprocket is above the bucket frame, and the sprocket rotates under the motor reducer effect, drives chain, bucket around the bucket frame and makes annular motion, scraper installs in one side of the below of bucket frame through the round pin axle, the scraper stopper is fixed on the bucket frame, and the stopper is under the connecting rod pin axle on scraper both sides, whereabouts bucket frame and scraper, sprocket, chain, bucket etc. do the elevating movement by fixing the reel traction on cart frame, the belt conveyor is arranged on one side of the scraping device on the cart frame, receives materials turned over by the chain bucket and conveys the materials to a material stacking position.
2. The car unloader provided with the self-adaptive scraping device according to claim 1, wherein the scraping device comprises four connecting rods, a pin shaft, a scraping plate, a sliding plate, a counterweight plate and a fixing bolt, the four connecting rods are divided into two groups and symmetrically arranged on two sides of a bucket frame, the upper ends of the connecting rods are hinged to the bucket frame through the pin shaft, the lower ends of the connecting rods are hinged to the scraping plate through the pin shaft, a counterweight block is fixed to a circular hole of the scraping plate through a bolt, and the sliding plate is fixed to a waist-shaped groove of the scraping plate through a bolt.
3. The car unloader provided with the adaptive scraping device according to claim 2, wherein the scraper is made of a wear-resistant steel plate with the thickness of 20mm, the width of the scraper is 2600mm, bolt holes for fixing the counterweight plates are circular, bolt holes for fixing the sliding plates are waist-shaped grooves, and the center distance of the grooves is 100 mm.
4. The car unloader provided with the adaptive scraping device according to claim 3, wherein the weight plates are made of steel plates and have a thickness of 20mm, and the number of the weight plates can be adjusted according to the weight required by scraping.
5. The car unloader provided with the self-adaptive scraping device according to claim 4, wherein the scraper limiting block is made of a 30mm steel plate, is fixed on the hopper frame, and forms a certain included angle with the vertical direction of the hopper frame, so that the scraper is prevented from touching the chain bucket when the connecting rod falls too much.
6. The car unloader provided with the adaptive scraping device, according to claim 5, wherein the sliding plate is made of 20mm wear-resistant steel plate, is 550mm wide, is as high as the scraping plate, and is fixed on a waist-shaped groove of the scraping plate, and the sliding plate can move outwards along the groove direction, so that the scraping width is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922030194.0U CN211846429U (en) | 2019-11-22 | 2019-11-22 | Car unloader provided with self-adaptive scraping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922030194.0U CN211846429U (en) | 2019-11-22 | 2019-11-22 | Car unloader provided with self-adaptive scraping device |
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| Publication Number | Publication Date |
|---|---|
| CN211846429U true CN211846429U (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922030194.0U Active CN211846429U (en) | 2019-11-22 | 2019-11-22 | Car unloader provided with self-adaptive scraping device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112570400A (en) * | 2020-11-25 | 2021-03-30 | 江苏润邦食品有限公司 | Device and method for recovering residual honey in honey barrel |
| CN114192736A (en) * | 2021-11-26 | 2022-03-18 | 河北华丰能源科技发展有限公司 | Chain cleaning device |
-
2019
- 2019-11-22 CN CN201922030194.0U patent/CN211846429U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112570400A (en) * | 2020-11-25 | 2021-03-30 | 江苏润邦食品有限公司 | Device and method for recovering residual honey in honey barrel |
| CN114192736A (en) * | 2021-11-26 | 2022-03-18 | 河北华丰能源科技发展有限公司 | Chain cleaning device |
| CN114192736B (en) * | 2021-11-26 | 2023-11-10 | 河北华丰能源科技发展有限公司 | Chain cleaning device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 210039 new building, Zhonghua Gate, Yuhuatai District, Jiangsu, Nanjing Patentee after: Baowu huanke Nanjing resources utilization Co.,Ltd. Address before: 210039 new building, Zhonghua Gate, Yuhuatai District, Jiangsu, Nanjing Patentee before: NANJING MEIBAO NEW PATTERN BUILD MATERIAL Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |