Double row grain conveying chain

By using detachable bolted connections in the double-row grain conveyor chain, the maintenance difficulties and high costs caused by traditional welding are solved, achieving the effects of rapid replacement and reduced maintenance costs.

CN224312535UActive Publication Date: 2026-06-02JIANGSU JINQIU CHAIN TRANSMISSION CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU JINQIU CHAIN TRANSMISSION CO LTD
Filing Date
2025-08-12
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Traditional double-row grain conveyor chains are difficult and costly to maintain due to welding and fixing, and damaged parts cannot be replaced independently.

Method used

The system employs a detachable bolt connection, which, through a combination of the connecting shaft, support plate, and limiting groove, enables a detachable connection between the intermediate connecting plate and the chain. Combined with a locking nut and anti-disengagement plate, this ensures connection stability and reliability.

Benefits of technology

It enables quick replacement of chain link units and connecting plates, reducing maintenance difficulty and cost, and improving equipment maintenance efficiency and service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses double -row grain conveying chain, it includes intermediate connecting plate and connecting assembly, the both sides of intermediate connecting plate top are fixedly connected with first support plate and second support plate respectively, one side of first support plate is equipped with baffle, connecting assembly includes basic chain and connecting shaft, the intermediate connecting plate is detachably connected with connecting assembly through connecting shaft, the inside fixed connection of basic chain has bearing seat, connecting shaft penetrates bearing seat, the end fixed connection of connecting shaft has axial limit block, through above -mentioned structure, through connecting axle and its locking structure has realized detachable bolt connection between intermediate connecting plate and both sides chain, has replaced traditional welding mode, this makes the chain link unit, intermediate connecting plate or connecting axle itself after wearing or damaging, can independently, quickly change, need not cutting and welding, has reduced maintenance difficulty, time and cost greatly.
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Description

Technical Field

[0001] This utility model relates to the field of chain technology, and in particular to a double-row grain conveyor chain. Background Technology

[0002] Double-row grain conveyor chains, as a key component of bulk material conveying equipment, are widely used in grain silos, grain processing plants, docks, and other locations, undertaking the important task of efficiently and continuously transporting grain crops. Their core function lies in using a double-row parallel chain structure, in conjunction with chain plates or scrapers, to achieve horizontal or inclined conveying of grain under the drive of a driving device.

[0003] In traditional double-row grain conveyor chain structures, the middle connecting plate and the chain link units on both sides are generally fixed by welding. This welding connection means that if any part of the chain link unit, the middle connecting plate, or the connecting shaft is worn or damaged, it cannot be replaced independently. Therefore, it is extremely inconvenient for users to operate during actual maintenance, and the maintenance and replacement costs are significantly increased. Utility Model Content

[0004] The purpose of this utility model is to solve at least one of the technical problems existing in the prior art, and to provide a double-row grain conveyor chain, which solves the problems of difficult maintenance and high cost caused by welding and fixing of traditional double-row grain conveyor chains.

[0005] This utility model also provides a double-row grain conveyor chain, comprising: an intermediate connecting plate and a connecting assembly. A first support plate and a second support plate are fixedly connected to the top two sides of the intermediate connecting plate, and a baffle is provided on one side of the first support plate. The connecting assembly includes a basic chain and a connecting shaft. The intermediate connecting plate is detachably connected to the connecting assembly via the connecting shaft. A bearing seat is fixedly connected inside the basic chain, and the connecting shaft passes through the bearing seat. An axial limiting block is fixedly connected to the end of the connecting shaft, and an anti-detachment clamping plate is fixedly connected to the outside of the axial limiting block, facilitating assembly, maintenance, and component replacement.

[0006] According to the double-row grain conveying chain of this utility model, the mounting hole edge of the basic chain is provided with a groove, and the head of the connecting shaft is embedded in the groove to ensure the stability and accurate positioning of the connection.

[0007] According to the double-row grain conveying chain of this utility model, the first support plate and the second support plate are provided with limiting grooves that match the contour of the connecting shaft head, which effectively prevents the chain from derailing under heavy load or vibration environment.

[0008] According to the double-row grain conveying chain of this utility model, the two ends of the intermediate connecting plate are detachably connected to the first support plate and the second support plate respectively through connecting shafts to prevent grain from spilling.

[0009] According to the double-row grain conveying chain of this utility model, the end of the connecting shaft is threaded with a locking nut.

[0010] According to the double-row grain conveyor chain of this utility model, the outer surface of the head of the connecting shaft is provided with anti-slip texture, which further enhances the reliability of the connection.

[0011] According to the double-row grain conveying chain of this utility model, a shock-absorbing ring is fixedly connected between the baffle and the first support plate.

[0012] According to the double-row grain conveyor chain of this utility model, the anti-detachment clamp is rectangular, the connecting shaft passes through the anti-detachment clamp, and the locking nut at the end of the connecting shaft contacts the anti-detachment clamp to reduce wear caused by off-center load.

[0013] Beneficial effects:

[0014] The double-row grain conveyor chain of this technical solution achieves a detachable bolt connection between the middle connecting plate and the two side chains through the connecting shaft and its locking structure, replacing the traditional welding method. This allows the chain link unit, the middle connecting plate or the connecting shaft itself to be replaced independently and quickly after wear or damage, without cutting or welding, which greatly reduces the difficulty, time and cost of maintenance. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1 This is a structural diagram of the entire utility model;

[0017] Figure 2 This is a structural diagram of the overall back of this utility model;

[0018] Figure 3 This is a structural diagram showing the connection relationship between the intermediate connecting plate and the connecting components of this utility model;

[0019] Figure 4 This is a structural diagram of the connecting component of this utility model;

[0020] Figure 5 This is a structural diagram of the intermediate connecting plate of this utility model.

[0021] Legend:

[0022] 1. Intermediate connecting plate; 2. Connecting components;

[0023] 101. First support plate; 102. Second support plate; 103. Baffle; 104. Shock absorber ring; 201. Basic chain; 202. Connecting shaft; 203. Bearing seat; 204. Axial limiting block; 205. Anti-detachment plate. Detailed Implementation

[0024] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0025] Reference Figure 1-5 The double-row grain conveyor chain of this utility model includes: a middle connecting plate 1 and two connecting components 2. A first support plate 101 and a second support plate 102 are fixedly connected to the top two sides of the middle connecting plate 1, respectively. A baffle 103 is fixedly provided on one side of the first support plate 101. A shock-absorbing ring 104 is fixedly connected between the baffle 103 and the first support plate 101. The first support plate 101 and the second support plate 102 are both provided with limiting grooves that match the head contour of the connecting shaft 202. The two ends of the middle connecting plate 1 are detachably connected to the connecting components 2 on both sides through the connecting shaft 202.

[0026] Specifically, the first support plate 101 and the second support plate 102 provide an installation base for the connecting shaft 202, and the first support plate 101 and the second support plate 102 effectively prevent grain from spilling from the side during the conveying process, ensuring conveying efficiency and reducing waste. The shock-absorbing ring 104 absorbs the impact and vibration during the operation of the chain, protects the connecting structure, and extends the service life.

[0027] Each connecting component 2 includes a basic chain 201 and a connecting shaft 202. A bearing seat 203 is fixedly installed inside the basic chain 201, and a groove is provided on the edge of the mounting hole on the basic chain 201. The connecting shaft 202 passes through the bearing seat 203, and its head is embedded in the groove of the mounting hole of the basic chain 201. An axial limiting block 204 is fixedly connected to the end of the connecting shaft 202. An anti-detachment plate 205 is fixedly connected to the outside of the axial limiting block 204. The outer surface of the head of the connecting shaft 202 is provided with anti-slip texture. A locking nut is threadedly connected to the end of the connecting shaft 202 (referring to the end away from the head and passing through the anti-detachment plate 205). The locking nut contacts the anti-detachment plate 205 to achieve axial locking. The anti-detachment plate 205 is a rectangular plate structure, and the connecting shaft 202 passes through it.

[0028] Specifically, the basic chain 201 is the basic unit that constitutes the transmission part of the conveyor chain. It is responsible for meshing with the drive sprocket to transmit power. The built-in bearing seat 203 provides precise rotational support and positioning reference for the connecting shaft 202.

[0029] The connecting shaft 202 is circumferentially fixed by embedding a limiting groove. The anti-slip texture increases friction and further prevents loosening. The axial limiting block 204 and the anti-detachment plate 205 together form an axial positioning structure. The locking nut contacts and tightens with the anti-detachment plate 205 to generate axial preload, which firmly fixes the entire connecting assembly to the intermediate connecting plate 1 to prevent axial movement.

[0030] Working principle: During use, the basic chain 201 transmits power by meshing with the drive sprocket, and the power is transmitted to the connecting shaft 202 through the bearing seat 203 fixed inside it; the head of the connecting shaft 202 is embedded in the limiting groove of the first support plate 101 and the second support plate 102 on the intermediate connecting plate 1 to achieve circumferential fixation, thereby driving the intermediate connecting plate 1 to move; the first support plate 101 and the second support plate 102 form a lateral obstruction during the conveying process to prevent the grain from spilling.

[0031] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A double-row grain conveyor chain, characterized in that, include: The intermediate connecting plate (1) and the connecting assembly (2) are provided. The top two sides of the intermediate connecting plate (1) are respectively fixedly connected to a first support plate (101) and a second support plate (102). A baffle (103) is provided on one side of the first support plate (101). The connecting assembly (2) includes a basic chain (201) and a connecting shaft (202). The intermediate connecting plate (1) is detachably connected to the connecting assembly (2) through the connecting shaft (202). The basic chain (201) is internally fixedly connected to a bearing seat (203), the connecting shaft (202) passes through the bearing seat (203), the end of the connecting shaft (202) is fixedly connected to an axial limiting block (204), and the outer side of the axial limiting block (204) is fixedly connected to an anti-detachment plate (205).

2. The double-row grain conveyor chain according to claim 1, characterized in that, The mounting hole edge of the basic chain (201) is provided with a groove, and the head of the connecting shaft (202) is embedded in the groove.

3. The double-row grain conveyor chain according to claim 1, characterized in that, The first support plate (101) and the second support plate (102) are provided with limiting grooves that match the head contour of the connecting shaft (202).

4. The double-row grain conveyor chain according to claim 1, characterized in that, The two ends of the intermediate connecting plate (1) are detachably connected to the first support plate (101) and the second support plate (102) respectively via connecting shafts (202).

5. The double-row grain conveyor chain according to claim 1, characterized in that, The end of the connecting shaft (202) is threaded with a lock nut.

6. The double-row grain conveyor chain according to claim 1, characterized in that, The outer surface of the head of the connecting shaft (202) is provided with anti-slip texture.

7. The double-row grain conveyor chain according to claim 1, characterized in that, A shock-absorbing ring (104) is fixedly connected between the baffle (103) and the first support plate (101).

8. The double-row grain conveyor chain according to claim 2, characterized in that, The anti-detachment plate (205) is rectangular, and the connecting shaft (202) passes through the anti-detachment plate (205), with the locking nut at the end of the connecting shaft (202) contacting the anti-detachment plate (205).