A semi-gantry scraper reclaimer

Abstract

This invention relates to the technical field of material conveying in material yards, and in particular to a semi-gantry scraper reclaimer, comprising a main beam located in the middle and two scraper structures located on both sides of the main beam on a horizontal plane, the scraper structures being installed on the main beam; by adopting a bidirectional pushing method of the two scraper structures, the reaction forces of the material on the two scraper structures can be mutually canceled, thereby making the main beam, trolley and reclaimer as a whole subjected to balanced forces, ensuring long-term stable operation of the equipment, avoiding frequent damage to the equipment due to uneven forces, reducing the frequency of equipment maintenance, and thus reducing cost investment; by configuring idlers, feeding belts and arc baffles on the scraper structures, the scraper structures that push the material away from the trolley can transport the material upward to the top of the feeding belt, and then the feeding belt can transport the material towards the trolley, so that both scraper structures can reclaim material.

Description

Technical Field

[0001] This invention relates to the technical field of material conveying in material yards, and in particular to a semi-gantry scraper reclaimer. Background Technology

[0002] The semi-gantry scraper reclaimer is a high-efficiency material handling equipment designed specifically for large, enclosed coal yards. It is widely used in the mechanized storage and retrieval of bulk materials such as coal and ore. This equipment is usually used in conjunction with a C-type material yard. The material yard adopts a grid-frame canopy enclosure design, combined with a single-sided ground-mounted unloading truck for stacking, forming a complete storage and retrieval system. The semi-gantry scraper reclaimer covers the material yard operation area through a cantilever structure supported by a gantry frame. Its core components include a scraping mechanism, a variable amplitude mechanism, a drive trolley, and an intelligent control system. The scraper chain is driven by a variable frequency motor, which can flexibly adjust the material handling depth and speed to adapt to different material characteristics and stacking height requirements.

[0003] In existing semi-gantry scraper reclaimers, the scraping mechanism pushes the material on the pile toward the trolley. However, as the scraping mechanism moves the material, the material provides significant resistance to the scraping mechanism. Therefore, the trolley needs to provide a large pulling force to the scraping mechanism to ensure stable and continuous scraping. This results in both the scraping mechanism and the trolley being subjected to a large lateral force, leading to uneven stress on the reclaimer. The reclaimer is prone to tilting toward the pile, and the track at the bottom of the trolley is prone to twisting and deviating. This necessitates frequent inspection and maintenance of the reclaimer, resulting in significant costs. Summary of the Invention

[0004] This invention provides a semi-gantry scraper reclaimer, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0006] A semi-gantry scraper reclaimer includes a main beam located in the middle and two scraping structures located on both sides of the main beam on a horizontal plane, the scraping structures being installed on the main beam;

[0007] The scraping structure includes a base plate parallel to the length direction of the main beam, a plurality of idlers arranged on the base plate, an arc-shaped baffle, and a power unit for driving the idlers to rotate. The plurality of idlers are distributed in a capsule shape along the length direction of the main beam, and a feeding belt is driven on the plurality of idlers.

[0008] A sprocket is provided at both ends of each of the rollers, and a chain is driven on the sprockets on the same side of the rollers. A number of scrapers are arranged along the feed belt track. The two ends of the scrapers are respectively installed on the two chains. The arc-shaped baffle is located at the beginning of the base plate, and the arc-shaped baffle is used in conjunction with the scraper at the corresponding position.

[0009] The two scraping structures have opposite conveying directions.

[0010] In some embodiments of the present invention, the scraping structure further includes a plurality of movable guide rails that are slidably mounted on the main beam along a path perpendicular to the working surface of the scraping structure, and the position of the scraping structure on the main beam is adjustable via the plurality of the movable guide rails.

[0011] In some embodiments of the present invention, a plurality of adjusting chains are fitted on the main beam, and the two sides of the adjusting chains along the width direction of the main beam are respectively connected to two scraping structures. Both ends of each adjusting chain are driven by two adjusting wheels. The adjusting wheels are rotatably mounted on the main beam, and the main beam is provided with an adjusting motor for providing power for the rotation of the adjusting wheels.

[0012] In some embodiments of the present invention, the idler roller includes a support shaft, a support arm 1 installed in the middle of the support shaft, and two support arms 2 installed at both ends of the support shaft. A tapered roller is provided on the support shaft between the support arm 1 and the support arm 2. The tapered roller is coaxial with the support shaft and its axis is horizontal. The tips of the two tapered rollers on the support shaft are opposite to each other. The tapered roller is used to lift the feed belt.

[0013] The sprocket is coaxially mounted on the support shaft;

[0014] Both the first support arm and the second support arm are fixed to the base plate.

[0015] In some embodiments of the present invention, the conical roller is composed of several rollers, and one roller near the sprocket is fixedly connected to the support shaft, while the remaining rollers are rotatably connected to the support shaft.

[0016] In some embodiments of the present invention, the scraper is provided with a material receiving groove on both sides, and the material receiving groove is provided with a scraping slope at a position away from the substrate.

[0017] In some embodiments of the present invention, along the width direction of the substrate, two sliding pillars are provided on both sides of the scraper, and the vertical line connecting the two sliding pillars is perpendicular to the surface where the scraper is located.

[0018] The scraping structure also includes two side plates located on both sides of the substrate width direction. The side plates are provided with guide grooves that are consistent with the shape of the feeding belt. The sliding column is slidably installed in the guide groove, and the arc-shaped baffle is fixedly connected to the side plate.

[0019] In some embodiments of the present invention, a plurality of arc-shaped support plates are provided on the inner sidewalls of both ends of the feeding belt along its length, and two adjacent arc-shaped support plates are located on both sides of the corresponding idler roller, and the arc-shaped support plates are fixed on the base plate.

[0020] In some embodiments of the present invention, the power unit on the scraping structure is provided in a plurality of ways, and the plurality of power units provide power to different idlers on the scraping structure.

[0021] The power unit includes a main motor fixed on the base plate. The output end of the main motor is provided with a rotating shaft. The rotating shaft is provided with a driving wheel and a driven wheel. The driving wheel is fixedly connected to the rotating shaft, and the driven wheel is rotatably connected to the rotating shaft. The driven wheel meshes with the corresponding sprocket for transmission.

[0022] The driving wheel and the driven wheel are connected by a number of elastic bodies.

[0023] In some embodiments of the present invention, each of the elastomers is provided with a force gauge for measuring the elastic force of the elastomer.

[0024] The technical solution of this invention can achieve the following technical effects:

[0025] By employing a two-scraping structure with bidirectional material pushing, the reaction forces of the material on the two scraping structures can be mutually canceled out, thereby ensuring balanced stress on the main beam, trolley, and reclaimer. This guarantees long-term stable operation of the equipment, avoids frequent damage due to uneven stress, reduces equipment maintenance frequency, and thus lowers costs. By configuring idlers, feeding belts, and arc-shaped baffles on the scraping structure, the scraping structure that pushes the material away from the trolley can transport the material upwards to the top of the feeding belt, and then the feeding belt can transport the material towards the trolley, achieving the goal of reclaiming material from both scraping structures. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the structure of the present invention;

[0028] Figure 2 This is a schematic diagram of the scraping structure in an embodiment of the present invention;

[0029] Figure 3 This is a schematic diagram of the main beam structure in an embodiment of the present invention;

[0030] Figure 4 This is a schematic diagram of the structure between the two side plates in an embodiment of the present invention;

[0031] Figure 5 This is a schematic diagram of the side plate and its guide groove in an embodiment of the present invention;

[0032] Figure 6 yes Figure 4 A partially enlarged structural diagram;

[0033] Figure 7 This is a schematic diagram of the structure of the idler roller in an embodiment of the present invention;

[0034] Figure 8 This is a schematic diagram of the scraper structure in an embodiment of the present invention;

[0035] Figure 9 This is a schematic diagram of the arc-shaped support plate in an embodiment of the present invention;

[0036] Figure 10 This is a schematic diagram of the power unit in an embodiment of the present invention.

[0037] Figure label:

[0038] 100. Main beam; 101. Moving guide rail; 102. Adjusting chain; 103. Adjusting wheel; 104. Adjusting motor;

[0039] 200. Scraping structure; 201. Base plate; 202. Idler roller; 203. Feeding belt; 204. Sprocket; 205. Chain; 206. Scraper; 207. Arc-shaped baffle; 208. Power unit; 209. Support shaft; 210. Support arm one; 211. Support arm two; 212. Support roller; 213. Collection trough; 214. Shoveling slope; 215. Sliding column; 216. Side plate; 217. Guide groove; 218. Arc-shaped support plate; 219. Main motor; 220. Rotating shaft; 221. Drive wheel; 222. Driven wheel; 223. Elastomer; 224. Force gauge. Detailed Implementation

[0040] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0041] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0042] like Figures 1 to 6 As shown, a semi-gantry scraper reclaimer of the present invention includes a main beam 100 located in the middle and two scraper structures 200 located on both sides of the main beam 100 on a horizontal plane. The scraper structures 200 are mounted on the main beam 100. Each scraper structure 200 includes a base plate 201 parallel to the length direction of the main beam 100, a plurality of idler rollers 202 disposed on the base plate 201, an arc-shaped baffle 207, and a power unit 208 for driving the idler rollers 202 to rotate. The plurality of idler rollers 202 are distributed in a capsule shape along the length direction of the main beam 100. A feeding belt 203 is provided on the upper drive of the roller 202; a sprocket 204 is provided at both ends of each roller 202, and a chain 205 is provided on the sprocket 204 on the same side of the roller 202. A plurality of scrapers 206 are arranged along the track of the feeding belt 203, and the two ends of the scrapers 206 are respectively installed on the two chains 205. The arc-shaped baffle 207 is located at the first end of the base plate 201, and the arc-shaped baffle 207 cooperates with the scraper 206 at the corresponding position. The conveying directions of the two scraping structures 200 are opposite.

[0043] In this invention, the main beam 100 is mounted on an external trolley. The main beam 100 provides support for the two scraping structures 200 on its two sides. The two scraping structures 200 are parallel to each other and are used to scrape the material on the material pile. Since the conveying directions of the two scraping structures 200 are opposite, the directions in which the two scraping structures 200 scrape the material are opposite. That is, one scraping structure 200 pushes the material toward the trolley, and the other scraping structure 200 pushes the material away from the trolley. As a result, the forces exerted by the two scraping structures 200 on the material are opposite, and the forces on the two scraping structures 200 cancel each other out. At this time, the main beam 100, the trolley and the scraper reclaimer are in overall force balance.

[0044] The substrate 201 on the scraping structure 200 can be used to provide support for several idler rollers 202, such as Figure 4As shown, several idler rollers 202 are arranged in a capsule shape along the length of the substrate 201. A feeding belt 203 is fitted over the outer side of the idler rollers 202, thus making the feeding belt 203 also capsule-shaped. Several scrapers 206 at the bottom of the feeding belt 203 can contact the material on the material pile and push the material to move. The idler rollers 202 also provide support for their upper sprockets 204 and chains 205. The shape of the chain 205 is consistent with the shape of the feeding belt 203. When the idler rollers 202 rotate, the feeding belt 203, sprockets 204, chain 205, and scrapers 206 on them move synchronously. The arc-shaped baffle 2... 07 is located at the end of the substrate 201 away from the external trolley, that is, the arc-shaped baffle 207 is located at the first end of the substrate 201. The arc-shaped baffle 207 can be used in conjunction with the scraper 206 at the first end of the substrate 201 to block the material on the scraper 206. Thus, when the scraper 206 moves from bottom to top, the scraper 206 can lift the scraped material upward and transport the material to the upper side of the feeding belt 203. This avoids the scraper 206 being unable to scoop up and lift the material when it moves upward because it does not provide effective blocking. The shape of the arc-shaped baffle 207 is consistent with the arc shape of the capsule end.

[0045] In operation, the external trolley places the two scraping structures 200 on the main beam 100 onto the material pile. The power unit 208 on the two scraping structures 200 is activated, driving the feeding belt 203, chain 205, and several scrapers 206 to move. The two scraping structures 200 run in opposite directions. The scrapers 206 at the bottom of one scraping structure 200 move towards the trolley, pushing the material towards the trolley. The scrapers 206 at the bottom of the other scraping structure 200 move away from the trolley. As the material moves in a certain direction, the scraper 206 pushes the material away from the trolley. When the scraper 206 moves to the position of the arc-shaped baffle 207, the scraper 206 moves upward, and the arc-shaped baffle 207 blocks the material on the scraper 206, allowing the scraper 206 to carry the material upward synchronously. The material moves to the top of the corresponding feeding belt 203, where it falls onto the feeding belt 203. The feeding belt 203 then transports the material towards the trolley, thus enabling both scraper structures 200 to perform material handling.

[0046] In actual use, since each scraping structure 200 is equipped with a feeding belt 203, it can scrape and pick up materials regardless of whether the scraping structure 200 is running in the forward or reverse direction. Since the two scraping structures 200 can pick up materials at the same time, there is a difference in height between the two scraping structures 200. That is, after one scraping structure 200 scrapes the material to a specified depth, the other scraping structure 200 scrapes the material to a specified depth on the basis of this. This avoids the situation where the scraping structure 200 located at the rear cannot contact the material and perform scraping work when the two scraping structures 200 are at the same height.

[0047] By employing a bidirectional pushing method with two scraping structures 200, the reaction forces of the material on the two scraping structures 200 can be mutually canceled out, thereby ensuring that the main beam 100, the trolley, and the reclaimer are subjected to balanced forces, guaranteeing long-term stable operation of the equipment, avoiding frequent damage due to uneven forces, reducing the frequency of equipment maintenance, and thus reducing cost investment. By configuring idler rollers 202, feeding belts 203, and arc-shaped baffles 207 on the scraping structures 200, the scraping structures 200 that push the material away from the trolley can transport the material upward to the top of the feeding belt 203, and then use the feeding belt 203 to transport the material towards the trolley, so that both scraping structures 200 can reclaim the material.

[0048] When the trolley moves in one direction, causing the two scraping structures 200 to move, the scraping structure 200 located in the front will be higher than the scraping structure 200 located in the rear. When the trolley moves in the opposite direction, if the relative positions of the two scraping structures 200 remain unchanged, then the scraping structure 200 located in the rear direction of trolley movement will not be able to contact the material. Therefore, to ensure that the two scraping structures 200 can meet the movement requirements of the trolley in both directions, the relative positions of the two scraping structures 200 need to be adjustable, i.e., as shown below. Figure 3 As shown, the scraping structure 200 also includes a plurality of movable guide rails 101 that are slidably mounted on the main beam 100 along a working surface perpendicular to the working surface of the scraping structure 200. The position of the scraping structure 200 on the main beam 100 can be adjusted by the plurality of movable guide rails 101. The working surface of the scraping structure 200 is the surface on which the scraping structure 200 moves on the material pile. Since the scraping structure 200 can move on the main beam 100 by the movable guide rails 101, when the trolley moves in a different direction, the height position of the two scraping structures 200 can be changed so that the scraping structure 200 located in front is always higher than the scraping structure 200 located in the rear along the trolley moving direction.

[0049] Based on the above implementation, a plurality of adjusting chains 102 are sleeved on the main beam 100. The two sides of the adjusting chains 102 along the width direction of the main beam 100 are respectively connected to two scraping structures 200. Both ends of each adjusting chain 102 are driven by two adjusting wheels 103. The adjusting wheels 103 are rotatably mounted on the main beam 100. The main beam 100 is provided with an adjusting motor 104 for providing power for the rotation of the adjusting wheels 103.

[0050] like Figure 3As shown, several adjusting chains 102 are arranged horizontally on the main beam 100. The adjusting chains 102 are vertical, and two adjusting wheels 103 are located on the upper and lower sides of the adjusting chains 102 respectively. The front and rear sides of the adjusting chains 102 are connected to two scraping structures 200 respectively. When the adjusting chains 102 are conveying, they can drive one scraping structure 200 on one side to move upward and the other scraping structure 200 on the other side to move downward, thereby achieving the purpose of adjusting the relative position of the two scraping structures 200. In addition, this method can reduce the difficulty of conveying the adjusting chains 102 by utilizing the mutual cancellation of the gravity of the two scraping structures 200. The adjusting motor 104 is installed on the main beam 100. Several adjusting wheels 103 on the same side of the main beam 100 can be connected through a drive shaft, and the drive shaft is connected to the output end of the adjusting motor 104. In this way, several adjusting chains 102 can be driven to move synchronously by one adjusting motor 104.

[0051] Since the feed belt 203 needs to convey materials, in order to prevent materials from scattering from both sides of the feed belt 203 in the width direction and to ensure that the feed belt 203 is kept taut, the idler roller 202 can be used as follows: Figure 7 As shown in the structure, the idler roller 202 includes a support shaft 209, a first support arm 210 installed in the middle of the support shaft 209, and two second support arms 211 installed at both ends of the support shaft 209. A conical roller is provided on the support shaft 209 between the first support arm 210 and the second support arm 211. The conical roller is coaxial with the support shaft 209 and its axis is horizontal. The tips of the two conical rollers on the support shaft 209 are opposite to each other. The conical roller is used to lift the feed belt 203. The sprocket 204 is coaxially installed on the support shaft 209. The first support arm 210 and the second support arm 211 are both fixed relative to each other on the base plate 201.

[0052] Support arm 210 and support arm 211 can support support shaft 209. Since the axis of support shaft 209 is horizontal, sprocket 204 can be directly installed on support shaft 209. Thus, when sprocket 204 rotates, it can drive support shaft 209 to rotate synchronously and use conical rollers to convey feed belt 203, so as to achieve the purpose of synchronous movement of feed belt 203 and scraper 206. The relative arrangement of the two conical rollers can make feed belt 203 form V-shape, which makes it convenient for feed belt 203 to hold materials.

[0053] Based on the above implementation, such as Figure 7 As shown, the cone roller is composed of several support rollers 212, and one of the support rollers 212 near the sprocket 204 is fixedly connected to the support shaft 209, while the remaining support rollers 212 are rotatably connected to the support shaft 209.

[0054] When the feeding belt 203 is lifted by the two conical rollers and deforms into a V-shape, the linear velocity at different positions on the conical rollers is different because the axis of the conical rollers is horizontal. At this time, some positions on the conical rollers will generate a speed difference with the feeding belt 203 and move in relative friction. To reduce friction damage, a combination of several rollers 212 can be used to combine the conical rollers, so that the linear velocity of different rollers 212 can be kept consistent. One roller 212 near the sprocket 204 is fixedly connected to the support shaft 209. When the sprocket 204 drives the support shaft 209 to rotate, it can drive the roller 212 to rotate and transport the feeding belt 203, thereby providing conveying power for the feeding belt 203.

[0055] It should be noted that since the two ends of the feeding belt 203 are arc-shaped, the transmission requirements of the arc-shaped position of the feeding belt 203 can also be met by using a combination of several support rollers 212 and conical rollers.

[0056] Optimized from the above implementation, such as Figure 8 As shown, the scraper 206 has a receiving groove 213 on both sides, and the receiving groove 213 has a scraping slope 214 at a position away from the substrate 201.

[0057] By providing a receiving trough 213 and a shoveling slope 214 on both sides of the scraper 206, both sides of the scraper 206 can be used for scraping and picking up materials, thus allowing the scraping structure 200 to run in either the forward or reverse direction. The receiving trough 213 can be used to collect materials when the scraper 206 moves, and the shoveling slope 214 can be used to lift materials when the scraper 206 moves upward, reducing material spillage. At the same time, during horizontal scraping, the shoveling slope 214 can be used to shovel materials, thereby improving the convenience of scraping.

[0058] To improve the smoothness of scraper 206 movement, such as Figure 5 and Figure 8 As shown, along the width direction of the substrate 201, two sliding pillars 215 are provided on both sides of the scraper 206, and the vertical line connecting the two sliding pillars 215 is perpendicular to the plane where the scraper 206 is located; the scraping structure 200 also includes two side plates 216 located on both sides of the substrate 201 in the width direction, and the side plates 216 are provided with guide grooves 217 that are consistent with the shape of the feeding belt 203. The sliding pillars 215 are slidably installed in the guide grooves 217, and the arc-shaped baffle 207 is fixedly connected to the side plates 216.

[0059] When the scraper 206 moves, it will drive the sliding column 215 to slide in the guide groove 217. The arrangement of two sliding columns 215 on one side of the scraper 206 can facilitate the direction of the scraper 206, thereby preventing the scraper 206 from tilting arbitrarily. The side plate 216 can be fixedly connected to the arc-shaped baffle 207, and the moving guide rail 101 and the adjusting chain 102 can be directly connected to the side wall of the side plate 216.

[0060] When the scraper 206 moves to the position of the arc-shaped baffle 207, if the feed belt 203 is only supported by several idlers 202 at this position, then the feed belt 203 cannot form a regular arc at this position. In this case, the scraper 206 cannot cooperate with the arc-shaped baffle 207. To solve this problem, such as... Figure 6 and Figure 9 As shown, several arc-shaped support plates 218 are provided on the inner sidewalls of both ends of the feeding belt 203 along its length. Two adjacent arc-shaped support plates 218 are located on both sides of the corresponding idler roller 202. The arc-shaped support plates 218 are fixed to the base plate 201. The arc-shaped support plates 218 support the arc-shaped positions at both ends of the feeding belt 203, thereby keeping the arc-shaped positions in a state corresponding to the arc-shaped baffle 207. A regular channel is formed between the arc-shaped positions and the arc-shaped baffle 207, allowing the scraper 206 to pass through.

[0061] Optimized from the above implementation, such as Figure 4 and Figure 10 As shown, the scraping structure 200 is provided with a plurality of power units 208, and the plurality of power units 208 provide power to different idler rollers 202 on the scraping structure 200; the power unit 208 includes a main motor 219 fixed on the base plate 201, the output end of the main motor 219 is provided with a rotating shaft 220, the rotating shaft 220 is provided with a driving wheel 221 and a driven wheel 222, the driving wheel 221 is fixedly connected to the rotating shaft 220, the driven wheel 222 is rotatably connected to the rotating shaft 220, and the driven wheel 222 meshes with the corresponding sprocket 204 for transmission; the driving wheel 221 and the driven wheel 222 are connected by a plurality of elastic bodies 223.

[0062] By setting up several power units 208, power can be provided for the operation of the scraping structure 200 at different positions, thereby improving the stability of the scraping structure 200 operation. When several power units 208 are running, the running speed of several power units 208 cannot be accurately consistent. That is, some power units 208 provide a larger driving force to the scraping structure 200, while some power units 208 provide a smaller driving force to the scraping structure 200. In order to achieve balanced processing of the speed of several power units 208, the above-mentioned structural method can be adopted. Specifically, the main motor 219 drives the rotating shaft 220 and the driving wheel 221 to rotate. The driving wheel 221 drives the driven wheel 222 to rotate through several elastic bodies 223. The driven wheel 222 drives the sprocket 204 to rotate. When there is a difference in the speed between different power units 208, the elastic bodies 223 on different scraping structures 200 can undergo elastic deformation. Thus, the deformable setting of the elastic bodies 223 is used to achieve balanced processing of the output shaft speed of several power units 208.

[0063] Based on the above implementation, such as Figure 10 As shown, each of the elastic bodies 223 is provided with a force gauge 224 for measuring the elastic force of the elastic body 223.

[0064] When different power units 208 output different speeds, the elastic body 223 undergoes elastic deformation. The force gauge 224 detects the amount of deformation of the elastic body 223. When the amount of deformation exceeds the specified range, the corresponding main motor 219 can be controlled to accelerate or decelerate, thereby keeping the elastic body 223 within a constant deformation range. In order to achieve the purpose of automatic adjustment, receivers, processors and other automatic control devices can be installed on the scraping structure 200.

[0065] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A semi-gantry scraper reclaimer, characterized in that, It includes a main beam located in the middle and two scraper structures located on both sides of the main beam on a horizontal plane, the scraper structures being installed on the main beam; The scraping structure includes a base plate parallel to the length direction of the main beam, a plurality of idlers arranged on the base plate, an arc-shaped baffle, and a power unit for driving the idlers to rotate. The plurality of idlers are distributed in a capsule shape along the length direction of the main beam, and a feeding belt is driven on the plurality of idlers. A sprocket is provided at both ends of each of the rollers, and a chain is driven on the sprockets on the same side of the rollers. A number of scrapers are arranged along the feed belt track. The two ends of the scrapers are respectively installed on the two chains. The arc-shaped baffle is located at the beginning of the base plate, and the arc-shaped baffle is used in conjunction with the scraper at the corresponding position. The two scraping structures have opposite conveying directions.

2. The semi-gantry scraper reclaimer according to claim 1, characterized in that, The scraping structure also includes several movable guide rails that are slidably mounted on the main beam along a path perpendicular to the working surface of the scraping structure. The position of the scraping structure on the main beam can be adjusted by the several movable guide rails.

3. A semi-gantry scraper reclaimer according to claim 2, characterized in that, Several adjusting chains are fitted on the main beam. The two sides of the adjusting chains along the width direction of the main beam are respectively connected to two scraping structures. Both ends of each adjusting chain are driven by two adjusting wheels. The adjusting wheels are rotatably mounted on the main beam. An adjusting motor is provided on the main beam to provide power for the rotation of the adjusting wheels.

4. A semi-gantry scraper reclaimer according to claim 1, characterized in that, The idler roller includes a support shaft, a support arm 1 installed in the middle of the support shaft, and two support arms 2 installed at both ends of the support shaft. A tapered roller is provided on the support shaft between the support arm 1 and the support arm 2. The tapered roller is coaxial with the support shaft and its axis is horizontal. The tips of the two tapered rollers on the support shaft are opposite to each other. The tapered roller is used to lift the feed belt. The sprocket is coaxially mounted on the support shaft; Both the first support arm and the second support arm are fixed to the base plate.

5. A semi-gantry scraper reclaimer according to claim 4, characterized in that, The conical roller is composed of several support rollers, and one of the support rollers closest to the sprocket is fixedly connected to the support shaft, while the remaining support rollers are rotatably connected to the support shaft.

6. A semi-gantry scraper reclaimer according to claim 1, characterized in that, The scraper is provided with a material receiving groove on both sides, and the material receiving groove is provided with a scraping slope at a position away from the substrate.

7. A semi-gantry scraper reclaimer according to claim 1, characterized in that, Along the width direction of the substrate, two sliding pillars are provided on both sides of the scraper, and the vertical line connecting the two sliding pillars is perpendicular to the surface where the scraper is located. The scraping structure also includes two side plates located on both sides of the substrate width direction. The side plates are provided with guide grooves that are consistent with the shape of the feeding belt. The sliding column is slidably installed in the guide groove, and the arc-shaped baffle is fixedly connected to the side plate.

8. A semi-gantry scraper reclaimer according to claim 1, characterized in that, Several arc-shaped support plates are provided on the inner sidewalls of both ends of the feeding belt along its length. Two adjacent arc-shaped support plates are located on both sides of the corresponding idler roller, and the arc-shaped support plates are fixed to the base plate.

9. A semi-gantry scraper reclaimer according to claim 1, characterized in that, The scraping structure is provided with a plurality of power units, and the plurality of power units provide power to different idlers on the scraping structure; The power unit includes a main motor fixed on the base plate. The output end of the main motor is provided with a rotating shaft. The rotating shaft is provided with a driving wheel and a driven wheel. The driving wheel is fixedly connected to the rotating shaft, and the driven wheel is rotatably connected to the rotating shaft. The driven wheel meshes with the corresponding sprocket for transmission. The driving wheel and the driven wheel are connected by a number of elastic bodies.

10. A semi-gantry scraper reclaimer according to claim 9, characterized in that, Each of the aforementioned elastic bodies is equipped with a force gauge for measuring the elastic force of the elastic body.

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