Protection device for coal mine electric roller belt conveyor
By designing a backstop structure and anti-reverse protrusion on the electric roller belt conveyor in the coal mine, the technical problem of belt conveyor reversal was solved, thereby improving the safety and production efficiency of the equipment, preventing equipment reversal, and reducing maintenance costs and downtime.
Patent Information
- Application Number
- CN202511319737.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-16
- Publication Date
- 2025-11-28
AI Technical Summary
Electric roller conveyor belts in coal mines are prone to reversing when stopped or encountering sudden malfunctions, leading to material backflow, equipment wear and frequent damage, increasing maintenance frequency and costs, and affecting production efficiency.
Design a protective device for an electric roller belt conveyor in a coal mine. The device uses a backstop structure and a backstop protrusion. The backstop contacts the backstop protrusion through a contact groove, which restricts the reverse operation of the belt conveyor and prevents it from turning backward.
This design achieves a simple structure and easy installation of the equipment, reducing equipment maintenance costs and downtime, and improving production efficiency.
Smart Images
Figure CN121020108A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of coal mining and transportation, and particularly relates to a protection device for an electric drum belt conveyor in a coal mine. BACKGROUND
[0002] When the belt conveyor stops or encounters an unexpected failure, due to the factors such as the gravity of the transported material, inertia, and the structural characteristics of the belt conveyor itself, the belt conveyor may reverse. Especially in a roadway with a certain slope, the reverse problem is more prominent. This reverse not only causes material backflow and disrupts the normal production process, but also causes severe wear and damage to key components such as the drum, belt, and carrier roller when the belt conveyor reverses. The drum bearing may be damaged due to instantaneous overload, the belt may tear or deviate, and the carrier roller may deform or be stuck due to uneven stress. Frequent equipment damage leads to a significant increase in maintenance frequency, which not only consumes a large amount of manpower and material resources for part replacement and maintenance operations, but also increases equipment maintenance costs and downtime, severely affecting production efficiency. Therefore, a protection device for an electric drum belt conveyor in a coal mine is designed. SUMMARY
[0003] The present application aims to provide a protection device for an electric drum belt conveyor in a coal mine to solve the above technical problems. To achieve the above purpose, the present application adopts the following technical solution: A protection device for an electric drum belt conveyor in a coal mine, comprising a belt conveyor drum, a conveyor belt, a conveyor support, and a backstop structure. The belt conveyor drums are arranged in multiple groups side by side on the conveyor support. The conveyor belt is connected to the outside of the multiple groups of belt conveyor drums. The backstop structure is fixed to the conveyor support, and the side end of the backstop structure is in contact with the side end of the belt conveyor drum.
[0004] On the basis of the above technical solution, the side end of the belt conveyor drum is provided with a backstop contact groove. The backstop contact groove is provided with multiple groups of backstop protrusions. The multiple groups of backstop protrusions are arranged in the backstop contact groove at equal circumferential angles. The side end of the backstop structure is arranged in the backstop contact groove, and the backstop structure can be in contact with the backstop protrusions.
[0005] On the basis of the above technical solution, the backstop structure is composed of a support fixed frame, a fixed bolt, and a backstop stress arm. The backstop stress arm live shaft is connected to one side of the support fixed frame. Multiple groups of bolt through holes are provided on the support fixed frame. The support fixed frame is sleeved on the conveyor support. The fixed bolt is fixed in the bolt through hole of the conveyor support. The side end of the backstop stress arm is arranged in the backstop contact groove, and the backstop stress arm can be in contact with the backstop protrusions.
[0006] On the basis of the above technical scheme, the side end of the support fixing frame is provided with a stress arm connecting groove and a stress arm movable shaft hole, the stress arm movable shaft hole penetrates the stress arm connecting groove and the support fixing frame from top to bottom, the stress resisting arm is composed of a stress arm plate, an inner pull spring, a sliding roller, a stress resisting convex end and a connecting movable shaft, the side end of the stress arm plate is provided with a stress arm movable shaft hole, the stress arm plate is inserted into the stress arm connecting groove, the connecting movable shaft is connected into the stress arm movable shaft holes on the stress arm plate and the support fixing frame, one end of the inner pull spring is fixed on the inner side of the stress arm plate and the inner wall of the stress arm connecting groove on the support fixing frame, the sliding roller movable shaft is connected to one side of the side end of the stress arm plate, the stress resisting convex end is arranged on the other side of the side end of the stress arm plate and is integrally fixed with the stress arm plate, the sliding roller and the stress resisting convex end are arranged in the reverse stopper contact groove and the sliding roller slides along the inside of the reverse stopper contact groove, and the stress resisting convex block is in contact with the stress resisting convex end.
[0007] Compared with the prior art, the present application has the following advantages: the present application optimizes the setting of the protection mechanism of the electric pipe cylinder belt conveyor in the mine, improves a simple structure, convenient installation and low cost dynamic roller driven type belt conveyor reverse stop structure, effectively guarantees the safety of equipment and personnel, and is suitable for popularization and use. BRIEF DESCRIPTION OF DRAWINGS
[0008] Figure 1 The figure is a general appearance state diagram of the present application.
[0009] Figure 2 The figure is a schematic diagram of the belt conveyor roller of the present application.
[0010] Figure 3 The figure is a schematic diagram of the reverse stopper structure of the present application.
[0011] Figure 4 The figure is a schematic diagram of the reverse stopper structure of the present application.
[0012] In the figure: the belt conveyor roller 1, the conveyor belt 2, the conveyor support 3, the reverse stopper structure 4, the reverse stopper contact groove 5, the stress resisting convex block 6, the support fixing frame 7, the fixing bolt 8, the stress resisting arm 9, the bolt through hole 10, the stress arm connecting groove 11, the stress arm movable shaft hole 12, the stress arm plate 13, the inner pull spring 14, the sliding roller 15, the stress resisting convex end 16, and the connecting movable shaft 17. DETAILED DESCRIPTION
[0013] The present application will be further described in detail below in combination with the drawings and specific embodiments.
[0014] The utility model provides a kind of coal mine electric drum belt conveyor protection device, including belt conveyor drum 1, conveyor belt 2, conveyor support 3, reverse stopper structure 4, the belt conveyor drum 1 is arranged in parallel in multiple groups on conveyor support 3, the conveyor belt 2 is connected in the outside of multiple belt conveyor drums 1, the reverse stopper structure 4 is fixed on conveyor support 3, and the side end of reverse stopper structure 4 is in contact with the side end of belt conveyor drum 1.
[0015] The side end of the belt conveyor drum 1 is provided with a reverse stopper contact groove 5, which is provided with a plurality of reverse stopper blocks 6 arranged at equal circumferential angles in the reverse stopper contact groove 5. The side end of the reverse stopper structure 4 is arranged in the reverse stopper contact groove 5, and the reverse stopper structure 4 can be in contact with the reverse stopper blocks 6.
[0016] The reverse stopper structure 4 is composed of a support fixing frame 7, a fixing bolt 8, and a reverse force receiving arm 9. The reverse force receiving arm 9 is connected to one side of the support fixing frame 7 through a movable shaft. A plurality of bolt through holes 10 are formed on the support fixing frame 7. The support fixing frame 7 is fitted on the conveyor support 3. The fixing bolt 8 is fixed on the conveyor support 3 through the bolt through holes 10. The side end of the reverse force receiving arm 9 is arranged in the reverse stopper contact groove 5, and the reverse force receiving arm 9 can be in contact with the reverse stopper blocks 6.
[0017] The side end of the support fixing frame 7 is provided with a force receiving arm connecting groove 11 and a force receiving arm movable shaft hole 12. The force receiving arm movable shaft hole 12 penetrates the force receiving arm connecting groove 11 and the support fixing frame 7 from top to bottom. The reverse force receiving arm 9 is composed of a force receiving arm plate 13, an internal pull spring 14, a sliding roller 15, a reverse stopper convex end 16, and a connecting movable shaft 17. The side end of the force receiving arm plate is provided with a force receiving arm movable shaft hole 12. The force receiving arm plate 13 is inserted into the force receiving arm connecting groove 11. The connecting movable shaft 17 is connected to the force receiving arm plate 13 and the force receiving arm movable shaft hole 12 on the support fixing frame 7. One end of the internal pull spring 14 is fixed to the inside edge of the force receiving arm plate 13 and the inside wall of the force receiving arm connecting groove 11 on the support fixing frame 7. The sliding roller 15 is connected to one side of the side end of the force receiving arm plate 13 through a movable shaft. The reverse stopper convex end 16 is arranged on the other side of the side end of the force receiving arm plate 13, and the reverse stopper convex end 16 is fixed integrally with the force receiving arm plate 13. The sliding roller 15 and the reverse stopper convex end 16 are arranged in the reverse stopper contact groove 5, and the sliding roller 15 slides along the inside of the reverse stopper contact groove 5. The reverse stopper blocks 6 can be in contact with the reverse stopper convex end 16.
[0018] The working principle of the present application is simple. According to the needs of use and the running direction of the conveyor belt 2, the corresponding reverse stopper structure 4 is fixed.
[0019] The support fixing frame 7 is fixed on the conveyer support 3, and is pre-fixed by the fixing bolt 4, the direction of the force receiving arm plate 13 and the inner pull spring 14 is made to slide the roller 15 and embed the reverse stop convex end 16 in the reverse stop contact groove 5, and after accurate positioning, the support fixing frame 7 is completely fixed. In the process of operation, according to the normal operation direction, the roller 15 is always rolling in the reverse stop contact groove 5. When the reverse situation occurs, the position of the reverse stop convex end 16 is more prominent, which will contact the reverse stop convex block 6 in the reverse stop contact groove 5, and limit the reverse rotation, realize the reverse operation direction of the conveyer belt 2. The function of the inner pull spring 14 is to make the roller 15 and the reverse stop convex end 16 always keep in the reverse stop contact groove 5 during the normal operation and the reverse process.
[0020] The above describes the preferred embodiment of the present application, and for those skilled in the art, according to the teaching of the present application, the changes, modifications, replacements and variations of the embodiments without departing from the principles and spirits of the present application still fall into the protection scope of the present application.
Claims
1. A coal mine electric drum belt conveyor protection device, characterized in that, Including the belt conveyor drum (1), the conveyor belt (2), the conveyor support (3), the reverse stopper structure (4), the belt conveyor drum (1) multiple groups are arranged in parallel on the conveyor support (3), the conveyor belt (2) is connected in the outside of multiple belt conveyor drums (1), the reverse stopper structure (4) is fixed on the conveyor support (3), and the side end of reverse stopper structure (4) is in contact with the side end of belt conveyor drum (1).
2. A coal mine electric drum belt conveyor protection device according to claim 1, characterized in that, The side end of the belt conveyor drum (1) is provided with a reverse stopper contact groove (5), the reverse stopper contact groove (5) is provided with multiple reverse stopper blocks (6), multiple reverse stopper blocks (6) are arranged in the reverse stopper contact groove (5) at the same circumferential angle, the side end of the reverse stopper structure (4) is arranged in the reverse stopper contact groove (5), and the reverse stopper structure (4) can be in contact with the reverse stopper block (6).
3. A coal mine electric drum belt conveyor protection device according to claim 2, characterized in that, The reverse stopper structure (4) is composed of a support fixing frame (7), a fixing bolt (8) and a reverse force arm (9), the reverse force arm (9) is connected to one side of the support fixing frame (7), a plurality of bolt through holes (10) are formed in the support fixing frame (7), the support fixing frame (7) is sleeved on the conveyor support (3), the fixing bolt (8) is fixed on the conveyor support (3) through the bolt through hole (10), and the side end of the reverse force arm (9) is arranged in the reverse stopper contact groove (5), and the reverse force arm (9) can be in contact with the reverse stopper block (6).
4. A coal mine electric drum belt conveyor protection device according to claim 3, characterized in that, The side end of the support fixing frame (7) is provided with a force arm connecting groove (11) and a force arm live axle hole (12), the force arm live axle hole (12) penetrates the force arm connecting groove (11) and the support fixing frame (7) from top to bottom, the reverse force arm (9) is composed of a force arm plate (13), an inner pull spring (14), a sliding roller (15), a reverse convex end (16) and a connecting live axle (17), the side end of the force arm plate is provided with a force arm live axle hole (12), the force arm plate (13) is inserted into the force arm connecting groove (11), and the connecting live axle (17) is connected into the force arm live axle hole (12) on the force arm plate (13) and the support fixing frame (7), one end of the inner pull spring (14) is fixed on the inner side of the force arm plate (13) and the inner wall of the force arm connecting groove (11) on the support fixing frame (7), the sliding roller (15) is connected to one side of the side end of the force arm plate (13), the reverse convex end (16) is arranged on the other side of the side end of the force arm plate (13), and the reverse convex end (16) is integrally fixed with the force arm plate (13), the sliding roller (15) and the reverse convex end (16) are arranged in the reverse stopper contact groove (5), and the sliding roller (15) slides along the inside of the reverse stopper contact groove (5), and the reverse stopper block (6) can be in contact with the reverse convex end (16).