Chain wheel assembly

Abstract

The utility model discloses a chain wheel assembly, and relates to the technical field of chain wheels. The chain wheel comprises a main frame mechanism, the main frame mechanism comprises a chain wheel body, a plurality of replacing assemblies are arranged on the outer surface of the chain wheel body, and sealing assemblies are arranged on the left side and the right side of the chain wheel body. The replacement assembly is arranged, specifically, the threaded rod is inserted into the wheel teeth till the interior of the chain wheel body, the push rod is pressed while the threaded rod is inserted to drive the limiting block to extrude the first spring, then the nut is fixedly connected with the threaded rod in a threaded mode, and at the moment, the push rod is loosened; a limiting block can drive a plurality of limiting balls to make contact with the inner wall of a first limiting groove through the resilience force of a first spring, the limiting effect on a threaded rod is achieved, the situation that the threaded rod falls off is avoided, the effect that wheel teeth can be independently replaced is achieved, and the maintenance cost is greatly reduced; the maintenance workload is effectively reduced, the maintenance man-hour is shortened, the maintenance efficiency is improved, and the maintenance cost is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to chain wheel technical field, in particular, relate to a chain wheel assembly. BACKGROUND

[0002] Chain wheel assembly is a kind of mechanical transmission component, is widely used in scraper conveyor, crossheading with scraper transfer machine and other equipment, currently in the use process of chain wheel, if wheel tooth is damaged, usually take is to carry out the whole chain wheel group hoisting maintenance, greatly improves the maintenance difficulty, also greatly improves the maintenance workload, and maintenance time and maintenance cost, greatly reduces the practicability of equipment, for this proposes a kind of chain wheel assembly. CONTENT OF UTILITY MODEL

[0003] The utility model discloses a kind of chain wheel assemblies, by setting replacement component, specifically is inserted into wheel tooth inside screw rod until chain wheel body inside, while inserting screw rod, press push rod to drive limit block to extrude spring one, then screw nut and screw rod are threadedly fixed connection, at this time, push rod is loosened, limit block will drive several limit balls and limit groove one inner wall contact by the action of spring one rebound force, realize the limiting effect of screw rod, avoid the situation that screw rod appears to fall off, solve the problem that currently in the use process of chain wheel, if wheel tooth is damaged, usually take is to carry out the whole chain wheel group hoisting maintenance, greatly improves the maintenance difficulty, also greatly improves the maintenance workload, and maintenance time and maintenance cost, greatly reduces the practicability of equipment.

[0004] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0005] The utility model discloses a chain wheel assembly, including main frame mechanism, the main frame mechanism includes sprocket body, the sprocket body outside surface is provided with a plurality of sets of replacement components, the left side and the right side of sprocket body all are provided with sealing component, the replacement component including sprocket tooth at the front center, the sprocket tooth inside screw thread connection has the threaded rod, the threaded rod inside sliding connection has the push rod, the back of threaded rod outside surface and the front screw thread connection in sprocket body inside, the side close to sprocket tooth in sprocket body inside is set up and is limited to groove no.

[0006] Further, the side away from the limiting block of the spring one is fixedly connected with the inner wall of the threaded rod away from the push rod, the side away from the spring one of the limiting block is fixedly connected with the side of the push rod close to the limiting groove one, the push rod is pressed to drive the limiting block to move when the threaded rod is screwed, the limiting block moves to the inside of the threaded rod, and the spring one is extruded when the limiting block moves.

[0007] Further, the side away from the limiting groove one of the sprocket tooth is provided with a nut, the inside of the nut is screw connected with the outer surface of the threaded rod, and the back of the nut is in contact with the front of the sprocket tooth.

[0008] Further, the sprocket tooth is fixedly connected with positioning strips on four sides, a mounting slot is formed in the side away from the limiting groove one in the sprocket body, the inside of the mounting slot is in contact with the outer surface of the sprocket tooth, positioning grooves are arranged on four sides of the mounting slot, the inside of the positioning grooves is in contact with the outer surface of the positioning strips, the nut is screw connected with the threaded rod after the threaded rod is fixed, so that the sprocket tooth is further fixed and installed.

[0009] Further, the two sealing assemblies are arranged on the left side and the right side of the chain wheel body respectively, the sealing assembly arranged on the left side comprises a bearing seat, the outer wall of the bearing seat is fixedly connected with the inner wall of the chain wheel body, a connecting shaft rod is arranged in the bearing seat, the outer surface of the connecting shaft rod is fixedly connected with a sealing frame, the side, away from the connecting shaft rod, of the sealing frame is rotatably connected with the bearing seat, a cavity is left between the sealing frame and the bearing seat, a plurality of spring no.

[0010] The utility model discloses have following beneficial effects:

[0011] 1. The utility model discloses a replaceable sprocket tooth, which comprises a chain wheel body, a plurality of sprocket teeth are arranged on the outer wall of the chain wheel body, a plurality of limiting grooves are arranged on the inner wall of the chain wheel body, a plurality of limiting balls are arranged in the limiting grooves, a plurality of springs are arranged in the limiting grooves, a plurality of limiting blocks are arranged in the limiting grooves, a plurality of push rods are arranged on the limiting blocks, a plurality of threaded rods are arranged on the push rods, a plurality of nuts are arranged on the threaded rods, and a plurality of connecting shaft rods are arranged on the chain wheel body.

[0012] 2, the utility model discloses a sealing assembly is set up, specifically is the connecting axle rod rotation will drive sealing frame away from the one end of connecting axle rod and sealing ring two contact, then spring two is received spring two springback force and will reset, therefore guarantee sealing ring two can always with sealing frame adhere, play certain sealing effect, if the interstice between sealing frame and bearing seat carries out liquid, these liquid will be discharged through sealing frame rotation from the blow-off port, and two sealing rings one also play certain sealing effect for equipment, avoid the oil body in the inside of equipment and appear the situation of leakage, also avoid external liquid to enter the inside of equipment.

[0013] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be needed to use the drawing of the embodiment to introduce briefly, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0015] Figure 1 It is the overall structure schematic diagram of the utility model;

[0016] Figure 2 It is the sectional structure schematic diagram of the sealing frame of the utility model;

[0017] Figure 3 It is the overall structure schematic diagram of spring two of the utility model;

[0018] Figure 4 It is the overall structure schematic diagram of the installation notch of the utility model;

[0019] Figure 5 It is the sectional structure schematic diagram of limit slot one of the utility model;

[0020] Figure 6 It is the sectional structure schematic diagram of wheel tooth of the utility model;

[0021] Figure 7 It is the overall structure schematic diagram of limit ball of the utility model.

[0022] In the drawing, the component list represented by each sign is as follows:

[0023] 1, main frame mechanism;111, sprocket body;2, replacement assembly;211, gear teeth;212, positioning strip;213, positioning groove;214, installation notch;215, limiting groove one;216, threaded rod;217, nut;218, push rod;219, limiting groove two;220, limiting ball;221, limiting block;222, spring one;3, sealing assembly;311, connecting shaft;312, sealing frame;313, bearing seat;314, sealing ring one;315, sewage outlet;316, sealing ring two;317, spring two. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Please refer to Figures 1-7As shown, the utility model is a kind of sprocket assembly, including main frame mechanism 1, main frame mechanism 1 includes sprocket body 111, sprocket body 111 outer surface is provided with several groups of replacement assembly 2, the left side and the right side of sprocket body 111 are provided with sealing assembly 3, replacement assembly 2 located at the front center includes gear teeth 211, screw rod 216 is threadedly connected in gear teeth 211, push rod 218 is slidably connected in screw rod 216, the back surface of the outer surface of screw rod 216 is threadedly connected with the front surface in sprocket body 111, the side close to gear teeth 211 in sprocket body 111 is provided with limit groove one 215, screw rod 216 penetrates sprocket body 111 and extends to the inside of limit groove one 215, the side close to limit groove one 215 in screw rod 216 is provided with several limit groove two 219, several limit groove two 219 are all contacted with limit ball 220, the outer surface of several limit ball 220 is contacted with the side close to gear teeth 211 of the inner wall of limit groove one 215, the side close to limit groove one 215 in screw rod 216 is provided with limit block 221, the outer surface of limit block 221 is contacted with the outer surface of several limit ball 220, the side away from gear teeth 211 of limit block 221 is fixedly connected with spring one 222, screw rod 216 is inserted into gear teeth 211 until the inside of sprocket body 111, while inserting screw rod 216, press push rod 218 to drive limit block 221 to extrude spring one 222, then screw nut 217 is threadedly connected with screw rod 216, when loosening push rod 218, limit block 221 will drive several limit ball 220 and limit groove one 215 inner wall to contact by the action of spring one 222 rebounding force, the limiting effect of screw rod 216 is realized, avoid the situation that screw rod 216 appears to fall off, gear teeth 211 can be individually replaced, greatly reduce maintenance cost;More effectively reduce maintenance workload, shorten maintenance time, improve maintenance efficiency, greatly reduce maintenance cost.

[0026] Spring one 222 is fixedly connected with the inner wall of screw rod 216 away from the side of push rod 218, and the side away from spring one 222 of limit block 221 is fixedly connected with the side close to limit groove one 215 of push rod 218.

[0027] The side away from limit groove one 215 of gear teeth 211 is provided with screw nut 217, the inner surface of screw nut 217 is threadedly connected with the outer surface of screw rod 216, and the back surface of screw nut 217 is contacted with the front surface of gear teeth 211.

[0028] Gear teeth 211 are fixedly connected with positioning strip 212 on four sides, and installation slot 214 is formed in the side away from limit groove one 215 in sprocket body 111, the inner surface of installation slot 214 is contacted with the outer surface of gear teeth 211, positioning groove 213 is arranged on four sides of installation slot 214, and the inner surface of several positioning grooves 213 is contacted with the outer surface of positioning strip 212.

[0029] The two groups of sealing assemblies 3 are arranged on the left side and the right side of the chain wheel body 111 respectively. The sealing assembly 3 arranged on the left side comprises a bearing seat 313, the outer wall of the bearing seat 313 is fixedly connected with the inner wall of the chain wheel body 111, a connecting shaft 311 is arranged in the bearing seat 313, the outer surface of the connecting shaft 311 is fixedly connected with a sealing frame 312, the side, away from the connecting shaft 311, of the sealing frame 312 is rotatably connected with the inside of the bearing seat 313, a cavity is left between the sealing frame 312 and the bearing seat 313, a plurality of spring 317 are fixedly connected on the side, close to the sealing frame 312, of the bearing seat 313, the plurality of spring 317 are arranged in a circumferential array, a sealing ring 316 is fixedly connected on the side, away from the bearing seat 313, of the plurality of spring 317, the connecting shaft 311 rotates at the same time to drive the end, away from the connecting shaft 311, of the sealing frame 312 to contact the sealing ring 316, the spring 317 is reset under the action of the spring 317 elastic force, thus ensuring that the sealing ring 316 can always be attached to the sealing frame 312 to achieve a certain sealing effect, at the same time, if the gap between the sealing frame 312 and the bearing seat 313 contains liquid, the liquid will be discharged from the drain hole 315 through the rotation of the sealing frame 312, at the same time, the two sealing rings 314 also achieve a certain sealing effect for the equipment to avoid the leakage of oil in the equipment, and also avoid the entry of external liquid into the equipment.

[0030] The side, close to the bearing seat 313, of the sealing frame 312 contacts the side, away from the spring 317, of the sealing ring 316, the bottom of the bearing seat 313 is provided with a drain hole 315, the drain hole 315 penetrates through the bearing seat 313 and the chain wheel body 111, two sealing rings 314 are fixedly connected with the inner wall of the sealing frame 312, the side, away from the sealing frame 312, of the two sealing rings 314 contacts the outer surface of the connecting shaft 311.

[0031] One specific application of the embodiment is: in use, when installing the wheel teeth 211, first place the wheel teeth 211 inside the installation notch 214, and then install according to the positioning strip 212 and the positioning groove 213, and then insert the threaded rod 216 into the wheel teeth 211 and screw, until the threaded rod 216 penetrates into the limiting groove one 215, and when screwing the threaded rod 216, press the push rod 218 to drive the limiting block 221 to move, the limiting block 221 moves to the inside of the threaded rod 216, and when the limiting block 221 moves, it will extrude the spring one 222, and the spring one 222 will be contracted and stored under the action of the inner wall of the threaded rod 216, at this time, the limiting balls 220 will be free to slide in the limiting groove two 219, and can only move in the limiting groove two 219, when the threaded rod 216 is screwed, loosen the push rod 218, at this time, the limiting block 221 will be reset by the elastic force of the spring one 222, and the limiting block 221 will push the limiting balls 220 at the same time, at this time, the limiting balls 220 will contact the side of the limiting groove one 215 close to the wheel teeth 211, the function of the limiting balls 220 is to prevent the threaded rod 216 from loosening and falling off under external force, after the threaded rod 216 is fixed, the nut 217 is screwed and fixed with the threaded rod 216, so that the wheel teeth 211 are further fixed and installed, when the equipment is running, the connecting shaft 311 will drive the sealing frame 312 to rotate, when the sealing frame 312 rotates, it will contact the sealing ring two 316, and the sealing ring two 316 will be extruded by the spring two 317 under the action of the force, and the spring two 317 will be contracted and stored under the action of the bearing seat 313, and the spring two 317 will generate a certain elastic force and drive the sealing ring two 316 to reset, so that the sealing ring two 316 always maintains the state of being attached to the sealing frame 312, and if external liquid enters through the gap between the sealing frame 312 and the bearing seat 313, it will directly enter the cavity between the sealing frame 312 and the bearing seat 313, and then the liquid will be discharged from the drain hole 315 through the rotation of the sealing frame 312, avoiding the residence of the liquid.

[0032] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A sprocket assembly, comprising a main frame mechanism (1), the main frame mechanism (1) comprising a sprocket body (111), the outer surface of the sprocket body (111) being provided with a plurality of sets of replaceable components (2), and sealing components (3) being provided on both the left and right sides of the sprocket body (111), characterized in that ； The replacement assembly (2) located at the center of the front includes a tooth (211), a threaded rod (216) is threadedly connected inside the tooth (211), a push rod (218) is slidably connected inside the threaded rod (216), the back side of the outer surface of the threaded rod (216) is threadedly connected to the front side of the sprocket body (111), a limiting groove (215) is formed inside the sprocket body (111) near the tooth (211), the threaded rod (216) penetrates the sprocket body (111) and extends into the limiting groove (215), the threaded rod (216) is close to the limiting groove (215) inside the sprocket body (111). A plurality of limiting grooves 219 are provided on one side of the first groove (215). Each of the limiting grooves 219 contacts a limiting ball (220). The outer surface of the limiting ball (220) contacts the inner wall of the first groove (215) near the tooth (211). A limiting block (221) is provided inside the threaded rod (216) near the first groove (215). The outer surface of the limiting block (221) contacts the outer surface of the limiting ball (220). A spring 1 (222) is fixedly connected to the side of the limiting block (221) away from the tooth (211).

2. A sprocket assembly according to claim 1, characterized in that, The side of the spring (222) away from the limiting block (221) is fixedly connected to the side of the inner wall of the threaded rod (216) away from the push rod (218), and the side of the limiting block (221) away from the spring (222) is fixedly connected to the side of the push rod (218) near the limiting groove (215).

3. A sprocket assembly according to claim 2, characterized in that, A nut (217) is provided on the side of the tooth (211) away from the limiting groove (215). The inside of the nut (217) is threadedly connected to the outer surface of the threaded rod (216), and the back of the nut (217) is in contact with the front of the tooth (211).

4. A sprocket assembly according to claim 3, characterized in that, The tooth (211) is fixedly connected to positioning strips (212) on all four sides. The sprocket body (111) has an installation slot (214) on the side away from the limiting groove (215). The inside of the installation slot (214) is in contact with the outer surface of the tooth (211). The four sides of the installation slot (214) are provided with positioning grooves (213). The inside of several positioning grooves (213) is in contact with the outer surface of the positioning strips (212).

5. A sprocket assembly according to claim 4, characterized in that, The two sets of sealing components (3) are respectively arranged on the left and right sides of the sprocket body (111). The sealing component (3) located on the left side includes a bearing seat (313). The outer wall of the bearing seat (313) is fixedly connected to the inner wall of the sprocket body (111). A connecting shaft (311) is provided inside the bearing seat (313). A sealing frame (312) is fixedly connected to the outer surface of the connecting shaft (311).

6. A sprocket assembly according to claim 5, characterized in that, The sealing frame (312) is rotatably connected to the bearing housing (313) on the side away from the connecting shaft (311). A cavity is left between the sealing frame (312) and the bearing housing (313). A plurality of springs (317) are fixedly connected to the side of the bearing housing (313) near the sealing frame (312). The plurality of springs (317) are arranged in a circumferential array. A sealing ring (316) is fixedly connected to the side of the plurality of springs (317) away from the bearing housing (313).

7. A sprocket assembly according to claim 6, characterized in that, The sealing frame (312) is in contact with the side of the sealing ring (316) away from the spring (317) on the side closer to the bearing seat (313). The bearing seat (313) has a drain port (315) at the bottom. The drain port (315) passes through the bearing seat (313) and the sprocket body (111). Two sealing rings (314) are fixedly connected to the inner wall of the sealing frame (312). The side of the two sealing rings (314) away from the sealing frame (312) is in contact with the outer surface of the connecting shaft (311).

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