CN113443352B - Mining middle groove with driving device - Google Patents
Mining middle groove with driving device Download PDFInfo
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- CN113443352B CN113443352B CN202110597098.3A CN202110597098A CN113443352B CN 113443352 B CN113443352 B CN 113443352B CN 202110597098 A CN202110597098 A CN 202110597098A CN 113443352 B CN113443352 B CN 113443352B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/18—Details
- B65G19/28—Troughs, channels, or conduits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/02—Belt- or chain-engaging elements
- B65G23/04—Drums, rollers, or wheels
- B65G23/08—Drums, rollers, or wheels with self-contained driving mechanisms, e.g. motors and associated gearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
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- Mechanical Engineering (AREA)
- Pusher Or Impeller Conveyors (AREA)
Abstract
A middle groove with a driving device for mining belongs to the field of middle grooves of scraper conveyors for mining and comprises a middle groove body and a driving device, wherein the driving device is arranged on the middle groove body; the middle groove body comprises a lower bottom plate, a middle plate assembly and ledges, the lower bottom plate is close to the ground, the middle plate assembly is positioned above the lower bottom plate, and the ledges are arranged at two sides of the lower bottom plate and the middle plate assembly; the middle plate assembly comprises an upper middle plate, a lower middle plate and a pair of side plates, the upper middle plate, the lower middle plate and the side plates form a hollow box body, and a through hole is formed in the upper middle plate; the driving device comprises a roller assembly and a power source, the roller assembly is arranged inside the hollow box body and is suspended in the hollow box body, the power source is fixed on the side plate, and the power source is connected with the roller assembly and used for driving the roller assembly. The traditional use requirement of the middle groove is guaranteed, the power consumption of the power part of the machine head and the machine tail is dispersed, the functions of conveying and bearing materials are also met, and the working efficiency of the scraper conveyor is improved.
Description
Technical Field
The invention belongs to the field of middle grooves of scraper conveyors for mining, and particularly relates to a middle groove with a driving device for mining.
Background
In the current mining work, materials are mainly conveyed by a scraper conveyor, and the scraper conveyor is generally 150-300 meters in length due to the complex structure and the long length. In the course of the work, drive the scraper chain motion on the scraper conveyor by the power portion on the scraper conveyor, and only dispose power portion in scraper conveyor's aircraft nose and tail department usually, power configuration is too concentrated, and the unsafe factor that leads to aircraft nose tail and power portion to produce is more, if: 1. the support for the power part of the machine head and the machine tail needs to be enhanced, and secondly, the motor with high power is needed to drive the machine head and the machine tail to move, so that the carrying is difficult and the installation is inconvenient when the motor and various accessories are carried; in addition, as the scraper conveyor advances toward a long conveying distance and a large conveying capacity, the longer the conveying distance of the scraper conveyor, the larger the diameter of the scraper chain is required, which results in the heavier weight of the scraper chain, and the larger the power consumption of the scraper chain itself is in the power consumption of the whole machine, the power output of the power parts at the head and the tail of the scraper chain needs to be increased continuously.
Disclosure of Invention
In view of this, to the above deficiency, this application provides mining middle part groove with drive arrangement, has both guaranteed the traditional operation requirement of middle part groove, has disperseed the power consumption of the power portion of aircraft nose and tail, has still satisfied the function of transportation and bearing the weight of the material, has guaranteed the security of scraper conveyor in the course of the work, has improved scraper conveyor's work efficiency.
A middle trough of a belt driving device for mining comprises a middle trough body and a driving device, wherein the driving device is arranged on the middle trough body;
the middle groove body comprises a lower bottom plate, a middle plate assembly and ledges, the lower bottom plate is close to the ground, the middle plate assembly is positioned above the lower bottom plate, and the ledges are arranged on two sides of the lower bottom plate and the middle plate assembly; the middle plate assembly comprises an upper middle plate, a lower middle plate and a pair of side plates, the upper middle plate, the lower middle plate and the side plates form a hollow box body, and a through hole is formed in the upper middle plate;
the driving device comprises a roller assembly and a power source, the roller assembly is arranged inside the hollow box body and is suspended in the hollow box body, the power source is fixed on the side plate, and the power source is connected with the roller assembly and used for driving the roller assembly.
Preferably, the pair of side plates is divided into a first side plate and a second side plate, a first side hole is formed in the first side plate and used for pushing the roller assembly into the hollow box body from the first side hole, a second side hole is formed in the second side plate, the power source penetrates through the second side hole and is connected with the roller assembly, and the power source can slide on the second side hole.
Preferably, well board subassembly still includes the side opening baffle, the side opening baffle with first curb plate is articulated, works as the roller subassembly sets up when in the cavity box, rotate the side opening baffle is used for the shutoff first side opening.
Preferably, the middle plate assembly further comprises a support member, and the support member is arranged inside the hollow box body and used for supporting the roller assemblies so that the roller assemblies are suspended in the hollow box body.
Preferably, the supporting member is a bearing housing, and when the drum assembly is coupled to the bearing housing, the drum assembly can be rotated in synchronization with the bearing housing.
Preferably, the support member is installed on the middle lower plate, and a sliding groove is provided on the middle lower plate, and the support member can slide in the sliding groove.
Preferably, the roller assembly comprises a group of rollers and a transmission belt, the rollers are connected with the power source, the transmission belt is arranged on the rollers, and the rollers drive the transmission belt to rotate.
Preferably, the through hole formed in the upper middle plate is a square hole.
Preferably, the width of the transmission belt is smaller than or equal to the width of the square hole.
Preferably, the power source is an electric motor provided with at least one.
According to the technical scheme, the invention provides the middle trough with the driving device for mining, which comprises a middle trough body and the driving device, wherein the driving device is arranged on the middle trough body; the middle groove body comprises a lower bottom plate, a middle plate assembly and ledges, the lower bottom plate is close to the ground, the middle plate assembly is positioned above the lower bottom plate, and the ledges are arranged on two sides of the lower bottom plate and the middle plate assembly; the middle plate assembly comprises an upper middle plate, a lower middle plate and a pair of side plates, the upper middle plate, the lower middle plate and the side plates form a hollow box body, and a through hole is formed in the upper middle plate; the driving device comprises a roller assembly and a power source, the roller assembly is arranged inside the hollow box body and is suspended in the hollow box body, the power source is fixed on the side plates, and the power source is connected with the roller assembly and used for driving the roller assembly. The thickness of a middle plate component on a middle groove body is thicker than that of a middle plate on a traditional middle groove, a hollow box body is formed in the middle plate component, a through hole is formed in the upper middle plate, the roller component is arranged in the hollow box body and is driven by the power source to rotate, the roller component replaces the part of the upper middle plate, a new material conveying plane is formed by the plane of the rest upper middle plate and the plane of the roller component, when the scraper chain drives the scraper to convey materials, the roller component moves under the driving of the power source when the materials are conveyed to the roller component, the roller component moves to drive the materials to move due to the fact that the moving speed of the roller component is the same as the moving speed of the scraper, the scraper does not drive the materials to move, when the materials are conveyed from one end of the roller component to the other end of the roller component, the roller component cannot continuously convey the materials, the scraper drives the materials to move on the rest upper plane, and when the scraper drives the materials to move to the roller component of the next middle groove; set up on the groove of middle part drive arrangement has changed in the past only and has set up power part at aircraft nose and tail, drives scraper chain, scraper blade and material motion, now by drive arrangement accomplishes the transportation of material jointly with the power part of aircraft nose and tail, changes two point drives in the past into multiple spot drive, has both guaranteed the traditional operation requirement in middle part groove, has disperseed the power consumption of aircraft nose tail power part again, still satisfies the transportation, bears the function of material, has guaranteed the security of scraper conveyor in the course of the work, has improved scraper conveyor's work efficiency, has laid a definite basis for the development of the scraper conveyor of long distance to fortune, heavy freight.
Drawings
FIG. 1 is a side view of a central trough shaft of a mining belt drive.
Figure 2 is a top view of a middle trough of a mining belt drive.
FIG. 3 is a side cross-sectional view of a central trough of a mining belt drive.
FIG. 4 is a front cross-sectional view of a mid-trough of a mining belt drive.
FIG. 5 is an isometric view of the middle slot.
Figure 6 is a front view of the middle trough body.
Figure 7 is a side view of the middle slot body with the side hole baffles removed.
In the figure, the middle trough body 100, the lower bottom plate 110, the middle plate assembly 120, the upper middle plate 121, the through hole 1211, the lower middle plate 122, the sliding groove 1221, the side plate 123, the first side plate 1231, the first side hole 1232, the second side plate 1233, the second side hole 1234, the side hole baffle 124, the supporting member 125, the ledge 130, the driving device 200, the roller assembly 210, the roller 211, the driving belt 212, and the power source 220.
Detailed Description
The technical scheme and the technical effect of the invention are further elaborated in the following by combining the drawings of the invention.
Referring to fig. 1, the middle trough of a belt driving device 200 for mining comprises a middle trough body 100 and a driving device 200, wherein the driving device 200 is arranged on the middle trough body 100; the middle trough body 100 comprises a lower bottom plate 110, a middle plate assembly 120 and a ledge 130, wherein the lower bottom plate 110 is close to the ground, the middle plate assembly 120 is positioned above the lower bottom plate 110, and the ledge 130 is arranged at two sides of the lower bottom plate 110 and the middle plate assembly 120; the middle plate assembly 120 comprises an upper middle plate 121, a lower middle plate 122 and a pair of side plates 123, wherein the upper middle plate 121, the lower middle plate 122 and the side plates 123 form a hollow box body, and a through hole 1211 is formed in the upper middle plate 121; the driving device 200 includes a roller assembly 210 and a power source 220, the roller assembly 210 is disposed inside the hollow box body and suspended in the hollow box body, the power source 220 is fixed on the side plate 123, and the power source 220 is connected to the roller assembly 210 and is used for driving the roller assembly 210. After improvement, the thickness of the middle plate component 120 on the middle groove is thicker than that of the middle plate on the traditional middle groove, a hollow box body is formed in the middle plate component 120, a through hole 1211 is formed in the upper middle plate 121, the roller component 210 is arranged in the hollow box body, the roller component 210 is driven by the power source 220 to rotate, the part of the upper middle plate 121 which is removed is replaced by the roller component 210, a new material conveying plane is formed by the plane of the residual upper middle plate 121 and the plane of the roller component 210, when the scraper chain drives the scraper to convey materials, when the materials are conveyed to the roller component 210, the roller component 210 moves under the driving of the power source 220, because the moving speed of the roller component 210 is the same as the moving speed of the scraper, the roller component 210 moves the materials to drive the materials to move, the materials are not driven by the scraper to move, when the materials are conveyed from one end of the roller component 210 to the middle plate on the middle groove, the roller component 210 drives the materials to move again, and when the materials are conveyed to the middle plate component 210, the materials can not drive the materials to move again on the middle plate, the middle plate component 210, the roller component drives the materials to move again; set up on the middle part groove drive arrangement 200 has changed in the past and has only set up power portion at aircraft nose and tail, drives scraper chain, scraper blade and material motion, now by drive arrangement 200 accomplishes the transportation of material jointly with the power portion of aircraft nose and tail, changes two point drives in the past into multi-point drive, has both guaranteed the traditional operation requirement in middle part groove, has disperseed the power consumption of aircraft nose tail power portion again, still satisfies the function of transportation, bearing material, has guaranteed the security of scraper conveyor in the course of the work, has improved scraper conveyor's work efficiency, has laid a definite basis for the development of the scraper conveyor of long distance to haul, big freight volume.
Preferably, the pair of side plates 123 is divided into a first side plate 1231 and a second side plate 1233, the first side plate 1231 is provided with a first side hole 1232 for pushing the roller assembly 210 into the hollow box from the first side hole 1232, the first side hole 1232 is provided for facilitating installation and fixation of the roller assembly 210, when the roller assembly 210 is overhauled, it is also convenient to take out the roller assembly 210 from the first side hole 1232, the second side plate 1233 is provided with a second side hole 1234, the power source 220 passes through the second side hole 1234 to be connected with the roller assembly 210, the power source 220 can slide on the second side hole 1234, when the roller assembly 210 rotates, a loosening phenomenon occurs, because the power source 220 can slide on the second side hole 1234 and the roller assembly 210 is connected with the power source 220, the loosened roller assembly 210 can be fixed again by adjusting the power source 220, and sliding bolt holes are further provided around the second side hole 1234 for fixation of the power source 220 and bolts can slide on the bolt holes.
Specifically, the first side hole 1232 is generally formed as a square hole, and since the sectional side view of the roller assembly 210 is also similar to a square shape, the square hole is provided to facilitate the installation of the roller assembly 210 in the middle plate assembly 120, and a chamfer is provided at the edge of the first side hole 1232, so as to prevent the outer edge of the first side hole 1232 from scratching the arm of a worker when the roller assembly 210 is installed or disassembled.
Further, the middle plate assembly 120 further includes a side hole blocking plate 124, the side hole blocking plate 124 is hinged to the first side plate 1231, and when the roller assembly 210 is disposed in the hollow box, the side hole blocking plate 124 is rotated to block the first side hole 1232. The pin joint sets up on the first curb plate 1231, side opening baffle 124 is when rotating around the pin joint, side opening baffle 124 can with first baffle laminating, when the side opening baffle 124 is installed when the cavity box, will side opening baffle 124 with first baffle laminating, drum assembly 210 is at the rotation in-process safer, and again, the area of side opening baffle 124 slightly is less than first curb plate 1231's area, because first side opening 1232 has been seted up on the first baffle, and the trompil has reduced the intensity of first baffle, will side opening baffle 124 with when first curb plate 1231 pastes, can strengthen first curb plate 1231's intensity, because ledge 130 extrudes for a long time first curb plate 1231 has prevented first curb plate 1231 takes place deformation in extrusion process.
Preferably, the middle plate assembly 120 further includes a support 125, and the support 125 is disposed inside the hollow box body and used for supporting the roller assemblies 210, so that the roller assemblies 210 are suspended in the hollow box body. Specifically, the two sets of supporting members 125 may be disposed on the supporting members 125, and are respectively installed on two sides of the roller assembly 210, and furthermore, the power source 220 may be utilized to connect with the roller assembly 210, so as to drive the roller assembly 210 and support the roller assembly 210, thereby saving the middle occupancy of the interior of the middle plate assembly 120, facilitating replacement of parts and facilitating disassembly in subsequent replacement or maintenance of the roller assembly 210.
Further, the support 125 is a bearing seat, when the roller assembly 210 is connected to the bearing seat, the roller assembly 210 can rotate synchronously with the bearing seat, and the height of the bearing seat is the same as the support height of the power source 220, and the bearing seat is connected to the support 125, so that the bearing seat is convenient to mount and not easy to damage.
Preferably, the supporting member 125 is installed on the middle lower plate 122, a sliding groove 1221 is formed in the middle lower plate 122, the supporting member 125 can slide in the sliding groove 1221, the roller assembly 210 may become loose during a long-time operation process, and the supporting member 125 and the power source 220 need to be adjusted at the same time to prevent the roller assembly 210 from becoming loose and to drive the power source 220 and the middle groove to shake.
Specifically, the support member 120 can be provided with a backing plate, the backing plate is used for heightening the support member 120, the width of the backing plate is consistent with the width of the sliding groove 1221, the backing plate is installed between the sliding groove 1221 and the support member 120, and furthermore, the backing plate can reduce the sliding of the support member 120 in the sliding groove 1221.
Preferably, the roller assembly 210 includes a set of rollers 211 and a transmission belt 212, the rollers 211 are connected to the power source 220, the transmission belt 212 is disposed on the rollers 211, and the rollers 211 drive the transmission belt 212 to rotate, specifically, one end of the rollers 211 is connected to the power source 220, and the other end is connected to the support 125, so as to jointly support the rollers 211 to be suspended.
Further, the through hole 1211 formed in the upper middle plate 121 is a square hole, when the roller assembly 210 is viewed from a top view direction, a projection surface of the roller assembly 210 is square, the square hole is formed in the upper middle plate 121, so that a utilization rate of a conveying surface on the roller assembly 210 can be maximized, and if the through hole 1211 is a circular hole or an elliptical hole, a part of the belt 212 is always in an idle state, and the utilization rate of the roller assembly 210 is low.
Furthermore, the width of the transmission belt 212 is less than or equal to the width of the square hole, the utilization rate of the transmission belt 212 is high, and if the width of the transmission belt is greater than the width of the square hole, small particles of the material are mixed in the portion, which is attached to the outer edge of the transmission belt 212, of the square hole, and the outer edge of the transmission belt 212 is worn more severely along with the long-time rotation of the roller assembly 210.
Specifically, the upper plane of the transmission belt 212 is flush with the plane of the upper middle plate 121, or the upper plane of the transmission belt 212 is 1 to 3 mm lower than the plane of the upper middle plate 121, so as to ensure that the material is transported from the upper middle plate 121 to the transmission belt 212 and then transported to the upper middle plate 121 by the transmission belt 212, in this process, the material is always in a smooth transportation process, and it is avoided that the transmission belt 212 is low, the upper middle plate 121 is high, the material is stacked on the transmission belt 212, or the transmission belt 212 is high, the upper middle plate 121 is low, the transmission belt 212 blocks the scraper directly above, and the scraper is prevented from damaging the surface of the transmission belt 212.
Preferably, the power source 220 is an electric motor, the electric motor is provided with at least one, when the power source 220 is provided with only one electric motor, the drum 211 is mainly supported by two sets of supports 125, and the electric motor mainly functions to drive the drum assembly 210 to rotate; when the power source 220 is provided with two motors, a group of the supporting members 125 is further provided, and one roller 211 is mainly cooperatively supported by one motor and one supporting member 125, and the motor has both a function of driving the roller assembly 210 to rotate and a function of supporting the roller assembly 210.
Furthermore, a chain and a plurality of sprockets are further arranged on the middle tank body 100, the sprockets are arranged at the end portion of one end of the roller 211, one sprocket is connected with a plurality of sprockets, the chain can be connected with a plurality of middle tank bodies 100, the chain and the sprockets are driven by the power source 220 to rotate, then the whole roller assembly is driven to move, and then the power source 220 drives a plurality of roller assemblies 210 to move simultaneously.
Furthermore, the chain and the sprocket can be replaced by belt components, a plurality of rollers 211 are connected together by a belt, and the power source 220 drives the plurality of rollers 211 to move, so that the movement of the roller components is realized, the whole number of the power source 220 is reduced, and the resources are saved.
Specifically, the lower plate 110 is a closed plate, when a small portion of the materials on the roller assembly 210 falls onto the lower plate 110 during the conveying process, a scraper moves from the middle plate to the lower plate 110, and the materials on the lower plate 110 are conveyed by a rotary scraper.
Specifically, the middle tank 100 further comprises a connecting piece, the connecting piece is arranged at the end faces of two ends of the middle tank 100, and the two middle tanks 100 are connected through the connecting piece.
Specifically, the middle trough body 100 is further provided with a rack rail seat, the rack rail seat is arranged on the ledge 130, and the rack rail seat is located above the power source 220, and the rack rail seat is provided with a rack rail.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The middle trough of the mining belt driving device is characterized by comprising a middle trough body and a driving device, wherein the driving device is arranged on the middle trough body;
the middle groove body comprises a lower bottom plate, a middle plate assembly and ledge, the lower bottom plate is close to the ground, the middle plate assembly is positioned above the lower bottom plate, and the ledge is arranged on two sides of the lower bottom plate and the middle plate assembly; the middle plate assembly comprises an upper middle plate, a lower middle plate and a pair of side plates, the upper middle plate, the lower middle plate and the side plates form a hollow box body, and a through hole is formed in the upper middle plate;
the driving device comprises a roller assembly and a power source, the roller assembly is arranged in the hollow box body and is suspended in the hollow box body, the roller assembly is exposed through a through hole of an upper middle plate, the upper middle plate and the roller assembly form a material conveying plane, the power source is fixed on the side plate and is connected with the roller assembly, the roller assembly is driven by the power source, the roller assembly conveys materials from one end of the through hole of the upper middle plate to the other end of the through hole, and the scraper plate continues to drive the materials to move on the plane of the rest upper middle plate;
replacing the removed part of the upper middle plate by the roller assembly, forming a new material conveying plane by the plane of the residual upper middle plate and the plane of the roller assembly, when a scraper chain drives the scraper to convey materials, when the materials are conveyed to the roller assembly, the roller assembly moves under the driving of the power source, because the moving speed of the roller assembly is the same as the moving speed of the scraper, the roller assembly moves to drive the materials to move, the scraper does not drive the materials to move any more, when the materials are conveyed from one end of the roller assembly to the other end of the roller assembly, the roller assembly cannot continuously convey the materials, the scraper drives the materials to move on the plane of the residual upper middle plate, and when the scraper drives the materials to the roller assembly of the next section of middle groove, the roller assembly drives the materials to move; the driving device is arranged on the middle groove, the situation that the power parts are arranged at the head and the tail to drive the scraper chain, the scraper and the materials to move is changed, the driving device and the power parts at the head and the tail are used for transporting the materials together, the traditional double-point driving is changed into the multi-point driving, the traditional use requirement of the middle groove is met, and the power consumption of the power parts at the head and the tail is dispersed.
2. The middle trough of claim 1, wherein the pair of side plates comprises a first side plate and a second side plate, the first side plate has a first side hole for pushing the roller assembly into the hollow box from the first side hole, the second side plate has a second side hole, the power source passes through the second side hole and is connected to the roller assembly, and the power source can slide on the second side hole.
3. The mining belt drive unit tundish of claim 2, wherein the mid-plate assembly further comprises a side hole stop, the side hole stop being hinged to the first side plate for rotation to block the first side hole when the roller assembly is disposed within the hollow casing.
4. The mining belt drive center pan of claim 1, wherein the mid-plate assembly further comprises a support member disposed inside the hollow box body for supporting the roller assemblies to suspend the roller assemblies within the hollow box body.
5. A central trough for a mining belt drive as claimed in claim 4, wherein the support is a bearing support, the roller assemblies being able to rotate synchronously with the bearing support when the roller assemblies are connected to the bearing support.
6. A median slot for a mining belt drive as claimed in claim 5, wherein the support member is mounted on the lower intermediate plate and is provided with a sliding slot in which the support member is slidable.
7. The mining belt drive as in claim 1, wherein the roller assembly comprises a set of rollers connected to the power source and a belt disposed on the rollers, the rollers rotating the belt.
8. The belt drive of claim 7, wherein the through hole of the upper middle plate is a square hole.
9. A central trough of a mining belt drive as claimed in claim 8, wherein the width of the drive belt is less than or equal to the width of the square hole.
10. A mining belt drive machine tundish according to claim 1, characterised in that the power source is an electric motor, the motor being provided with at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110597098.3A CN113443352B (en) | 2021-05-31 | 2021-05-31 | Mining middle groove with driving device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110597098.3A CN113443352B (en) | 2021-05-31 | 2021-05-31 | Mining middle groove with driving device |
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| CN113443352A CN113443352A (en) | 2021-09-28 |
| CN113443352B true CN113443352B (en) | 2023-03-14 |
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| CN116788759B (en) * | 2023-08-28 | 2023-11-10 | 常州奥普恩自动化科技有限公司 | Rubber belt conveying device and conveying method for underground coal mine |
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| CN111099270A (en) * | 2019-12-06 | 2020-05-05 | 太原理工大学 | Traction type rubber belt conveyor of rope chain set |
| CN111056331A (en) * | 2019-12-30 | 2020-04-24 | 宁夏铸源机械制造有限公司 | Special charging equipment for container |
| CN111689233A (en) * | 2020-06-23 | 2020-09-22 | 广州形银科技有限公司 | Full-automatic conveying device for PCB (printed circuit board) |
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| CN113443352A (en) | 2021-09-28 |
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Effective date of registration: 20230414 Address after: 753000 No.1 Jingong Road, Dawukou District, Shizuishan City, Ningxia Hui Autonomous Region Patentee after: NINGXIA TIANDI BENNIU INDUSTRIAL GROUP Co.,Ltd. Address before: 753001 the Ningxia Hui Autonomous Region Shizuishan city Dawukou District No. 1 metalworking road. Patentee before: NINGXIA TIANDI BENNIU INDUSTRIAL GROUP Co.,Ltd. Patentee before: NINGXIA FIELD OF ACTIVITY HEAVY EQUIPMENT TECHNOLOGY Co.,Ltd. Effective date of registration: 20230414 Address after: 753000 No.1 Jingong Road, Dawukou District, Shizuishan City, Ningxia Hui Autonomous Region Patentee after: NINGXIA TIANDI BENNIU INDUSTRIAL GROUP Co.,Ltd. Patentee after: NINGXIA TIANDI BENNIU CHAIN Co.,Ltd. Address before: 753000 No.1 Jingong Road, Dawukou District, Shizuishan City, Ningxia Hui Autonomous Region Patentee before: NINGXIA TIANDI BENNIU INDUSTRIAL GROUP Co.,Ltd. |