Long-life shallow slot chain for coal washer

Abstract

The utility model discloses a long-life shallow slot chain for a coal washer, which comprises a plurality of pairs of chain plates, connecting holes are arranged at two ends of the plurality of pairs of chain plates, shaft rods are inserted in the connecting holes, rollers are sleeved on the shaft rods, the plurality of adjacent pairs of chain plates are connected through traction plates, two ends of each shaft rod are inserted in the traction plates in a sliding manner, and the rollers are sleeved on the shaft rods. A supporting frame is fixedly connected to the outer side wall of the traction plate, a threaded rod is rotationally connected into the supporting frame, push plates are arranged on the two sides of the threaded rod, inserting rods are fixedly connected to one sides of the push plates, inserting holes corresponding to the inserting rods are formed in the two ends of the shaft rod, and a sliding groove is formed in the inner bottom of the supporting frame. According to the chain disassembling device, the rapid disassembling and assembling function can be achieved through the arrangement of the inserting and fixing assembly, the chain can be disassembled easily and rapidly, and time and labor are saved.

Description

Technical Field

[0001] This utility model relates to the field of chain-related products, specifically a shallow groove chain for a long-life coal washing machine. Background Technology

[0002] Shallow trough chains are a key component of heavy medium shallow trough separators. These chains play a crucial role in industrial applications such as coal preparation plants. A shallow trough chain consists of chain plates, sprockets, and chains, which work together to achieve efficient sorting. After prolonged use, shallow trough chains will experience varying degrees of wear and breakage. Therefore, regular disassembly, maintenance, replacement, and installation are generally required after a period of use.

[0003] However, existing shallow groove chains cannot be easily disassembled, disassembled, and repositioned. Most of them use threaded structures for installation, which is more troublesome to disassemble. In addition, the threaded structure is prone to stripping and corrosion in the chain, which is a defect. Utility Model Content

[0004] The purpose of this invention is to provide a shallow groove chain for a long-life coal washing machine to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a shallow groove chain for a long-life coal washing machine, comprising multiple pairs of chain plates, each pair of chain plates having a connecting hole at both ends, a shaft inserted into the connecting hole, a roller sleeved on the shaft, adjacent pairs of chain plates being connected by a traction plate, both ends of the shaft being slidably inserted into the traction plate, a support frame fixedly connected to the outer wall of the traction plate, a threaded rod rotatably connected within the support frame, push plates on both sides of the threaded rod, an insert rod fixedly connected to one side of the push plate, and both ends of the shaft having a corresponding insert rod. The support frame has a corresponding insertion hole. A sliding groove is provided at the inner bottom of the support frame. A sliding rod is fixedly connected within the sliding groove. The bottom end of the push plate is slidably sleeved on the sliding rod. A first spring is sleeved on the sliding rod. The two ends of the first spring are fixedly connected to the inner wall of the sliding groove and the push plate, respectively. A movable plate is threaded onto the threaded rod. Positioning blocks are fixedly connected to the bottom of both ends of the movable plate. A positioning groove corresponding to the positioning block is provided at the top of the push plate. A rotating sleeve is fixedly sleeved at the bottom of the threaded rod. A stop rod is slidably inserted into one end of the rotating sleeve. Multiple stop grooves corresponding to the stop rod are provided at the inner bottom of the support frame.

[0006] Preferably, the inner wall of the support frame is provided with a positioning groove, and both ends of the movable plate are slidably inserted into the positioning groove.

[0007] Preferably, the threaded rod is located at the middle end of the support frame.

[0008] Preferably, one end of the stop rod is fixedly connected with a limiting block, a second spring is sleeved on the stop rod, and two ends of the second spring are respectively abutted against the limiting block and the rotating sleeve.

[0009] Preferably, a plurality of anti-skid lines are arranged on the outer side wall of the rotating sleeve in an inclined manner.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] The long-life shallow-slot chain for coal washer is characterized in that: the two push plates are pressed to slide on the slide rod, at this time, the push plates compress the first spring, then the traction plate is sleeved on the shaft rod on the adjacent chain plate, then the push plates are loosened, at this time, the first spring in the compressed state is driven to insert the insertion rod into the insertion hole on the shaft rod under the action of the self-rebound force, the positioning of the shaft rod is realized, the rotating sleeve is rotated by being rotated, the moving plate sleeved on the threaded rod is driven to clamp the positioning block into the positioning groove on the push plate to realize the position fixation of the push plate, and the stop rod is inserted into the corresponding stop groove to realize the rotation fixation of the threaded rod. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a structure schematic view of the long-life shallow-slot chain for coal washer.

[0013] Fig. 2 It is a chain plate structure schematic view of the long-life shallow-slot chain for coal washer.

[0014] Fig. 3 It is an enlarged view of A of the long-life shallow-slot chain for coal washer.

[0015] In the figure: 1, chain plate; 2, shaft rod; 3, roller; 4, traction plate; 5, support frame; 6, threaded rod; 7, push plate; 8, insertion rod; 9, slide rod; 10, first spring; 11, moving plate; 12, positioning block; 13, rotating sleeve; 14, stop rod; 15, limiting block; 16, second spring. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0017] In the description of the utility model, it is necessary to explain, the term "upper", "lower", "internal", "external" "front end", "rear end", "both ends", "one end", "the other end" and so on indicate the position relation or location relation is based on the position relation or location relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicate or imply that the device or element indicated must have a particular orientation, a particular orientation and operation, therefore cannot be understood as a limitation on the utility model. In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0018] In the description of the utility model, it is necessary to explain, unless otherwise expressly provided and limited, the term "installation", "is provided with", "connection" and so on, should be broad understanding, for example "connection", can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through the intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0019] Please refer to Figs. 1-3The utility model provides a long -life coal -washed machine with shallow groove chain of an embodiment: a kind of long -life coal -washed machine with shallow groove chain, including multiple pairs of chain plates 1, both ends of multiple pairs of chain plates 1 are equipped with connecting hole, shaft rod 2 is inserted in connecting hole, roller 3 is sleeved on shaft rod 2, adjacent multiple pairs of chain plates 1 are connected by traction plate 4, both ends of shaft rod 2 are slidably inserted in traction plate 4, support frame 5 is fixedly connected on the outer side wall of traction plate 4, screw rod 6 is rotatably connected in support frame 5, both sides of screw rod 6 are equipped with push plate 7, one side of push plate 7 is fixedly connected with inserting rod 8, both ends of shaft rod 2 are equipped with the insertion hole corresponding with inserting rod 8, the inner bottom of support frame 5 is equipped with sliding slot, sliding rod 9 is fixedly connected in sliding slot, the bottom end of push plate 7 is slidably sleeved on sliding rod 9, first spring 10 is sleeved on sliding rod 9, the both ends of first spring 10 are fixedly connected with sliding slot inner wall and push plate 7 respectively, moving plate 11 is threadedly sleeved on screw rod 6, the both ends bottom of moving plate 11 are fixedly connected with positioning block 12, the top end of push plate 7 is equipped with the positioning groove corresponding with positioning block, the bottom end of screw rod 6 is fixedly sleeved with rotating sleeve 13, one end of rotating sleeve 13 is slidably inserted with stop rod 14, the inner bottom of support frame 5 is equipped with multiple stop slots corresponding with stop rod 14, specifically, press two push plates 7 to make it slide on sliding rod 9, at this time, push plate 7 will compress first spring 10, then traction plate 4 is sleeved on the shaft rod 2 on adjacent chain plate 1, then release push plate 7, at this time, first spring 10 in compression state under the action of its own resilience promotes push plate 7 to drive inserting rod 8 to be inserted into the insertion hole on shaft rod 2, the positioning of shaft rod 2 is realized, then by rotating rotating sleeve 13, moving plate 11 on the threaded rod 6 promotes positioning block 12 to be clamped into the positioning slot on push plate 7 to realize the position fixation of push plate 7, then sliding stop rod 14 is inserted into corresponding stop slot to realize the rotation fixation of screw rod 6.

[0020] In the embodiment, the inner side wall of support frame 5 is provided with a positioning groove, and the both ends of moving plate 11 are slidably inserted into the positioning groove; the screw rod 6 is arranged at the middle end of support frame 5; the one end of stop rod 14 is fixedly connected with a limiting block 15, the second spring 16 is sleeved on the stop rod 14, and the both ends of second spring 16 are respectively abutted with limiting block 15 and rotating sleeve 13; the outer side wall of rotating sleeve 13 is provided with multiple anti-skid lines arranged obliquely, so as to increase the friction force during rotation and avoid slipping.

[0021] Working principle: when installing, press two push plates 7 to make them slide on slide rod 9, at this time push plate 7 will compress first spring 10, then pull plate 4 is sleeved on the shaft rod 2 on the adjacent chain plate 1, then release push plate 7, at this time first spring 10 in compression state promotes push plate 7 to drive insertion rod 8 to insert into the insertion hole on shaft rod 2 under the action of its own elastic force, realize the positioning of shaft rod 2, then promote threaded rod 6 to rotate by rotating knob 13, when threaded rod 6 rotates, moving plate 11 threaded on promotes positioning block 12 to be clamped into the positioning groove on push plate 7 to realize the position fixing of push plate 7, then slide stop rod 14 to insert into the corresponding stop groove to realize the rotation fixing of threaded rod 6.

[0022] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A long-life shallow trough coal washer chain comprising a plurality of pairs of chain links (1), characterised in that: A plurality of pairs of the chain plates (1) are provided with connecting holes at both ends, shaft rods (2) are inserted in the connecting holes, rollers (3) are sleeved on the shaft rods (2), adjacent pairs of the chain plates (1) are connected through traction plates (4), both ends of the shaft rod (2) are slidingly inserted in the traction plate (4), support frames (5) are fixedly connected to the outer side walls of the traction plate (4), threaded rods (6) are rotatably connected in the support frames (5), push plates (7) are arranged on both sides of the threaded rod (6), plug rods (8) are fixedly connected to one side of the push plate (7), both ends of the shaft rod (2) are provided with plug holes corresponding to the plug rods (8), a sliding groove is arranged at the inner bottom of the support frame (5), a sliding rod (9) is fixedly connected in the sliding groove, the bottom end of the push plate (7) is slidingly sleeved on the sliding rod (9), a first spring (10) is sleeved on the sliding rod (9), both ends of the first spring (10) are fixedly connected with the inner wall of the sliding groove and the push plate (7), a moving plate (11) is threadedly sleeved on the threaded rod (6), positioning blocks (12) are fixedly connected to both ends of the moving plate (11), a positioning groove corresponding to the positioning block is arranged at the top end of the push plate (7), a rotating sleeve (13) is fixedly sleeved at the bottom end of the threaded rod (6), a stop rod (14) is slidingly inserted at one end of the rotating sleeve (13), a plurality of stop grooves corresponding to the stop rod (14) are arranged at the inner bottom of the support frame (5).

2. A long life shallow pan chain for a coal washer as claimed in claim 1, wherein: The inner side walls of the support frame (5) are provided with positioning grooves, both ends of the moving plate (11) are slidingly inserted in the positioning grooves.

3. A long life shallow pan chain for a coal washer as claimed in claim 1, wherein: The threaded rod (6) is arranged at the middle end of the support frame (5).

4. A long life shallow pan chain for a coal washer as claimed in claim 1, wherein: A limiting block (15) is fixedly connected to one end of the stop rod (14), a second spring (16) is sleeved on the stop rod (14), both ends of the second spring (16) abut against the limiting block (15) and the rotating sleeve (13) respectively.

5. A long life shallow pan chain for a coal washer as claimed in claim 1, wherein: A plurality of anti-skid lines arranged in an inclined manner are arranged on the outer side wall of the rotating sleeve (13).

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