Leakage-proof slack coal scraper conveyor
By designing a compact, leak-proof scraper conveyor for fine coal, and adopting a circular chain and roller structure, the problem of poor sealing of the scraper conveyor has been solved, achieving good sealing performance and easy maintenance.
Patent Information
- Application Number
- CN202520190602.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-07
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-07
AI Technical Summary
Existing scraper conveyors are bulky and large in size, making them unsuitable for placement in the narrow space below a plate feeder. They also have poor sealing and are prone to material leakage.
A leak-proof scraper conveyor for fine coal was designed. It features a compact structure, uses round chain links and rollers to improve sealing, and is easy to maintain through an inspection door. It is also equipped with a material blockage switch to reduce the failure rate.
It achieves a compact structure and good sealing performance, reduces material leakage, and improves the flexibility and reliability of the equipment.
Smart Images
Figure CN223673526U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to conveying equipment technical field especially relates to a last coal scraper of material leakage prevention. BACKGROUND
[0002] At present, for the heavy plate feeder in mine material conveying system, the too large gap between the running groove plates leads to the falling of the coal dust and the adhesion of the coal dust on the groove plate under the gravity when returning.
[0003] In the prior art, the overlapping gap of every two groove plates is within 1mm by providing the design and manufacturing quality, if the die for pressing the groove plate is worn during manufacturing, the die needs to be repaired to ensure the die precision, a scraper is additionally arranged below the plate feeder, the material leakage falls on the tray of the scraper, and the material leakage is scraped to the next process by the scraper in the scraper.
[0004] However, in the prior art, the scraper is clumsy and large in size, not suitable for being arranged in the narrow space below the plate feeder, poor in sealing performance, and material leakage exists. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at providing a last coal scraper of material leakage prevention, aiming at solving the technical problems of the scraper in the prior art, such as the clumsy appearance, the large size, the unsuitable arrangement in the narrow space below the plate feeder, the poor sealing performance, and the material leakage.
[0006] To achieve the above-mentioned purpose, the utility model adopts a last coal scraper of material leakage prevention, which comprises a material discharging chute, a driving motor, a chute, a transmission unit, scrapers and a material blocking switch, the material discharging chute is fixedly connected with the chute and located at one end of the chute, the transmission unit is arranged in the interior of the chute, the driving motor is fixedly connected with the chute and located at one side of the chute, the output end of the driving motor is mutually adapted with the transmission unit, the number of the scrapers is multiple groups, each group of the scrapers is fixedly connected with the transmission unit and mutually adapted with the transmission unit, and the material blocking switch is arranged at one end of the chute.
[0007] The transmission unit comprises a tension pulley shaft, a driving sprocket shaft, a round chain ring and a plurality of groups of tow pulleys, each group of the tow pulleys is fixedly connected with the chute and located in the interior of the chute, the tension pulley shaft is arranged at one end of the chute, the driving sprocket shaft is arranged at one end of the chute away from the tension pulley shaft, the driving sprocket shaft is mutually adapted with the driving motor, the round chain ring is sleeved on the outer wall of the tension pulley shaft, the driving sprocket shaft and the plurality of groups of tow pulleys, and each group of the scrapers is fixedly connected with the round chain ring.
[0008] The chute comprises a bottom plate, side plates and end plates, the side plates are two groups, the two groups of side plates are fixedly connected with the bottom plate and are respectively located at two sides of the bottom plate, the end plates are two groups, each group of end plates is fixedly connected with the bottom plate and is respectively located at two ends of the bottom plate, and each group of end plates is fixedly connected with the corresponding side plate.
[0009] The chute further comprises access doors, the access doors are multiple groups, each group of access doors is arranged on one side of the corresponding end plate, and each group of access doors is matched with the corresponding end plate.
[0010] The coal scraper has the advantages of compact structure, small deformation, good sealing at joints, high tensile strength and low wear rate of the round chain ring, high precision and high hardness of the surface of the chain nest after high-frequency heat treatment, high strength and high toughness of the core, good wear resistance of the round chain ring to coal powder and friction, and the like. BRIEF DESCRIPTION OF DRAWINGS
[0011] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0012] Figure 1 It is a top view of the coal scraper of the present application.
[0013] Figure 2 It is a top view of the coal scraper of the present application. Figure 1 It is a sectional view of the internal structure of A-A line of the coal scraper.
[0014] Figure 3 It is a front view of the coal scraper of the present application.
[0015] Figure 4 It is a front view of the coal scraper of the present application. Figure 3 It is a sectional view of the internal structure of B-B line of the coal scraper.
[0016] Figure 5 It is a sectional view of the internal structure of C-C line of the coal scraper. Figure 3 It is a sectional view of the internal structure of C-C line of the coal scraper.
[0017] Figure 6 It is a sectional view of the internal structure of D-D line of the coal scraper. Figure 3 It is a sectional view of the internal structure of D-D line of the coal scraper.
[0018] Figure 7 It is a kind of local structure schematic diagram of the end coal scraper of the leakage-proof material of the utility model.
[0019] 1-discharge chute, 2-driving motor, 3-scraper, 4-stuffing switch, 5-tension pulley shaft, 6-driving sprocket shaft, 7-round chain ring, 8-towing wheel, 9-bottom plate, 10-side plate, 11-end plate, 12-access door. DETAILED DESCRIPTION
[0020] Please refer to Figures 1 to 7 The utility model provides a kind of end coal scraper of the leakage-proof material, including discharge chute 1, driving motor 2, chute, transmission unit, scraper 3 and stuff switch 4, the discharge chute 1 with the chute fixed connection, and located in one end of the chute, the transmission unit is set in the inside of the chute, the driving motor 2 with the chute fixed connection, and located in one side of the chute, and the output end of the driving motor 2 with the transmission unit each other adaptation, the number of the scraper 3 is multiple groups, each group of the scraper 3 is respectively connected with the transmission unit fixedly, and respectively with the transmission unit each other adaptation, the stuff switch 4 is set in one end of the chute.
[0021] Further, the transmission unit includes tension pulley shaft 5, driving sprocket shaft 6, round chain ring 7 and towing wheel 8, the number of the towing wheel 8 is multiple groups, each group of the towing wheel 8 is respectively connected with the chute fixedly, and respectively located in the inside of the chute, the tension pulley shaft 5 is set in one end of the chute, the driving sprocket shaft 6 is set in one end of the chute away from the tension pulley shaft 5, and the driving sprocket shaft 6 with the driving motor 2 each other adaptation, the round chain ring 7 is set on the outer wall of the tension pulley shaft 5, the driving sprocket shaft 6 and multiple groups of the towing wheel 8, and multiple groups of the scraper 3 are respectively connected with the round chain ring 7 fixedly.
[0022] Further, the chute includes bottom plate 9, side plate 10 and end plate 11, the number of the side plate 10 is two groups, two groups of the side plate 10 are respectively connected with the bottom plate 9 fixedly, and respectively located in both sides of the bottom plate 9, the number of the end plate 11 is two groups, each group of the end plate 11 is respectively connected with the bottom plate 9 fixedly, and respectively located in both ends of the bottom plate 9, and each group of the end plate 11 is respectively connected with corresponding side plate 10 fixedly.
[0023] Further, the chute also includes access door 12, the number of the access door 12 is multiple groups, each group of the access door 12 is respectively set in one side of corresponding end plate 11, and each group of the access door 12 is respectively connected with corresponding end plate 11 each other adaptation.
[0024] In the embodiment, the chute is enclosed by the bottom plate 9, two groups of side plates 10 and two groups of end plates 11, and is supported and fixed by the discharge chute 1. The driving chain wheel shaft 6 in the drive motor set is driven by the driving motor 2, the circular chain ring 7 is driven by a plurality of groups of the drag wheel 8 and the tension wheel shaft 5, and then the scraper 3 is driven. The tension of the circular chain ring 7 in the driving process is adjusted by the tension wheel shaft 5, so as to improve the use flexibility of the equipment. The anti-leakage end coal scraper 3 has the advantages of compact structure, small deformation, good sealing performance at the joint, high tensile strength of the circular chain ring 7, low wear rate, high precision of the drag wheel 8, high surface hardness of the chain nest after high-frequency heat treatment, high strength, high toughness in the core, good wear resistance to the friction of the coal powder and the circular chain ring 7, and the like. The leakage problem can be effectively solved. The maintenance door 12 is convenient for maintenance, and the blockage switch 4 can be processed at any time to reduce the failure rate.
[0025] The above only discloses a preferred embodiment of the utility model, and of course cannot limit the scope of the utility model. Those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the utility model claims still belong to the scope of the utility model.
Claims
1. A coal leakage-proof end coal scraper, characterized in that, it comprises a discharge chute, a driving motor, a chute, a transmission unit, a scraper and a blockage switch, the discharge chute is fixedly connected with the chute and located at one end of the chute, the transmission unit is arranged in the interior of the chute, the driving motor is fixedly connected with the chute and located at one side of the chute, and the output end of the driving motor is adapted to the transmission unit, the number of the scrapers is multiple, each of the scrapers is fixedly connected with the transmission unit and adapted to the transmission unit, and the blockage switch is arranged at one end of the chute.
2. The coal leakage-proof end coal scraper according to claim 1, characterized in that, the transmission unit comprises a tension pulley shaft, a driving sprocket shaft, a round chain ring and a plurality of tow pulleys, each of the tow pulleys is fixedly connected with the chute and located in the interior of the chute, the tension pulley shaft is arranged at one end of the chute, the driving sprocket shaft is arranged at the end of the chute away from the tension pulley shaft, and the driving sprocket shaft is adapted to the driving motor, the round chain ring is sleeved on the outer wall of the tension pulley shaft, the driving sprocket shaft and the plurality of tow pulleys, and the plurality of scrapers are fixedly connected with the round chain ring.
3. The coal leakage-proof end coal scraper according to claim 1, characterized in that, the chute comprises a bottom plate, side plates and end plates, the number of the side plates is two, each of the side plates is fixedly connected with the bottom plate and located at one side of the bottom plate, the number of the end plates is two, each of the end plates is fixedly connected with the bottom plate and located at one end of the bottom plate, and each of the end plates is fixedly connected with the corresponding side plate.
4. The coal leakage-proof end coal scraper according to claim 3, characterized in that, the chute further comprises a plurality of access doors, each of the access doors is arranged at one side of the corresponding end plate, and each of the access doors is adapted to the corresponding end plate.