Chain structure of chain conveyor

Abstract

The utility model discloses a chain structure of a chain conveyor, which comprises a plurality of inner-layer chain plates and outer-layer chain plates, the inner-layer chain plates and the outer-layer chain plates are hinged at intervals through pin shafts, the inner-layer chain plates are arranged on the inner sides of the outer-layer chain plates, and the upper ends of the inner-layer chain plates and the upper ends of the outer-layer chain plates are respectively provided with a guide plate extending outwards. Positioning seats are arranged on the outer sides of the inner-layer chain plates and the outer-layer chain plates respectively, guide holes are formed in the guide plates, positioning grooves coaxial with the guide holes are formed in the positioning seats, elastic supporting columns are inserted into the guide holes, the bottom ends of the elastic supporting columns are fixedly inserted into the positioning grooves, and bearing plates are fixedly connected to the upper ends of the elastic supporting columns; the multiple bearing plates are arranged in the extending direction of the chain structure. The chain structure has good elastic buffering performance.

Description

Technical Field

[0001] The utility model relates to a chain conveyor, in particular to a chain structure of the chain conveyor. Background Art

[0002] Chain conveyor is a conveyor that uses chains to pull and carry materials, or uses slats, metal mesh belts and rollers installed on the chains to carry materials. A common type of chain conveyor is a type in which chain structures are set at both ends and slats are set above the chain structures.

[0003] Chinese patent CN202321604863.0 discloses an adjustable tooling chain plate conveyor, which includes a conveyor mounting bracket, a roller with an adjustable height is fixedly installed at the bottom of the conveyor mounting bracket, a motor mounting mechanism is fixedly installed on one side of the lower part of the conveyor mounting bracket, an output motor is installed inside the motor mounting mechanism, and a chain conveying mechanism is fixedly installed on the front and rear sides of the upper part of the conveyor mounting bracket; an adjustable tooling is installed on the chain conveying mechanism, and the output motor inside the motor mounting mechanism is connected to the chain conveying mechanism through a pulley.

[0004] The adjustable tooling chain plate conveyor can adjust the tension of the chain through the motor tensioner adjustment mechanism, but the adjustable tooling arranged thereon and playing the role of supporting the material is hard-connected with the chain and lacks elastic buffering performance. Utility Model Content

[0005] The utility model aims to provide a chain structure of a chain conveyor, which has good elastic buffering performance.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a chain structure of a chain conveyor, which chain structure includes a plurality of inner chain plates and outer chain plates hingedly connected at intervals by pin shafts, the inner chain plates are arranged on the inner side of the outer chain plates, the upper ends of the inner chain plates and the outer chain plates are respectively provided with guide plates extending outward, the outer sides of the inner chain plates and the outer chain plates are respectively provided with positioning seats, the guide plates are provided with guide holes, the positioning seats are provided with positioning grooves coaxial with the guide holes, an elastic support column is inserted into the guide hole, the bottom end of the elastic support column is fixedly inserted in the positioning groove, the upper end of the elastic support column is fixedly connected to a bearing plate, and a plurality of the bearing plates are arranged along the extension direction of the chain structure.

[0007] Preferably, the elastic support column includes a sleeve with a top cover, a sliding column is arranged in the sleeve, a buffer spring is arranged between the sliding column and the bottom surface of the positioning groove, and a column penetrating the top cover is arranged at the upper end of the sliding column, and the column is fixedly connected to the supporting plate.

[0008] Preferably, a connecting column is provided at the upper end of the column, the upper end of the connecting column is configured as a cylinder, and the lower end is configured as a truncated cone column, and the upper end diameter of the truncated cone column is larger than the lower end diameter.

[0009] Preferably, the outer wall of the sleeve is fixed to the upper end of the positioning groove by welding.

[0010] Preferably, the inner chain plate and the outer chain plate are arranged in pairs along the width direction of the chain structure; first through holes are provided at both ends of the inner chain plate, and a pin barrel is inserted into the first through hole, and the outer end of the pin barrel is aligned with the outer side of the inner chain plate; second through holes are provided at both ends of the outer chain plate, and a limit plate is provided after the pin shaft passes through the pin barrel and the second through holes at both ends.

[0011] Preferably, a movable shaft sleeve is sleeved outside the pin barrel and between two adjacent inner chain plates along the width direction of the chain structure.

[0012] Preferably, the guide plate comprises a vertical plate and a horizontal plate which are integrally connected, and the guide hole is arranged on the horizontal plate.

[0013] Preferably, the connection between the vertical plate and the horizontal plate is an arc.

[0014] According to the above technical scheme, the utility model provides a chain structure of a chain conveyor, which chain structure includes a plurality of inner chain plates and an outer chain plate hingedly connected at intervals by pin shafts, the inner chain plate is arranged on the inner side of the outer chain plate, and the upper ends of the inner chain plates and the outer chain plates are respectively provided with guide plates extending outward, and the outer sides of the inner chain plates and the outer chain plates are respectively provided with positioning seats, the guide plates are provided with guide holes, and the positioning seats are provided with positioning grooves coaxial with the guide holes, an elastic support column is inserted into the guide hole, the bottom end of the elastic support column is fixedly inserted in the positioning groove, and the upper end of the elastic support column is fixedly connected to a bearing plate, and a plurality of the bearing plates are arranged along the extension direction of the chain structure.

[0015] The chain structure of the chain conveyor has the following beneficial effects: placing the transported items on the load-bearing plate can play a certain elastic buffering role through the elastic support column, avoiding hard contact between the load-bearing plate and each chain plate, on the one hand, it can increase the service life of each chain plate, and on the other hand, it makes the chain structure have a good buffering effect, thereby improving the protection effect of the transported items; at the same time, by arranging the guide plate and the positioning seat in the vertical direction in sections, a gap is formed between the two, which can reduce the curb weight of the chain structure without affecting the stability of the elastic support column.

[0016] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention, but do not constitute a limitation to the present invention. In the accompanying drawings:

[0018] Figure 1 It is a partial structural schematic diagram of a preferred embodiment of the chain structure;

[0019] Figure 2 yes Figure 1 A structural diagram of another perspective;

[0020] Figure 3 yes Figure 1 A schematic diagram of a top view structure;

[0021] Figure 4 yes Figure 3 AA cross-sectional structural diagram;

[0022] Figure 5 yes Figure 3 BB cross-sectional structure diagram;

[0023] Figure 6 It is a structural schematic diagram of a preferred implementation of the chain structure.

[0024] Description of Reference Numerals

[0025] 1-inner chain plate; 2-outer chain plate; 3-guide plate; 4-guide hole; 5-sleeve; 6-connecting column; 7-movable sleeve; 8-positioning seat; 9-pin cylinder; 10-positioning groove; 11-limiting plate; 12-bearing plate; 13-column; 14-pin shaft; 15-sliding column; 16-buffer spring. DETAILED DESCRIPTION

[0026] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0027] In the present utility model, unless otherwise stated, directional words contained in terms such as "up, down, left, right, front, back, inside, outside" merely represent the orientation of the terms in normal usage, or are common names understood by those skilled in the art, and should not be regarded as limitations on the terms.

[0028] See also Figure 1-6The chain structure of the chain conveyor shown in the figure includes a plurality of inner chain plates 1 and outer chain plates 2 which are hingedly connected at intervals through a pin shaft 14, the inner chain plate 1 is arranged on the inner side of the outer chain plate 2, and the upper ends of the inner chain plate 1 and the outer chain plate 2 are respectively provided with guide plates 3 extending outward, and the outer sides of the inner chain plate 1 and the outer chain plate 2 are respectively provided with positioning seats 8, the guide plates 3 are provided with guide holes 4, and the positioning seats 8 are provided with positioning grooves 10 coaxial with the guide holes 4, an elastic support column is inserted into the guide hole 4, the bottom end of the elastic support column is fixedly inserted in the positioning groove 10, and the upper end of the elastic support column is fixedly connected to a bearing plate 12, and a plurality of the bearing plates 12 are arranged along the extension direction of the chain structure.

[0029] Through the implementation of the above technical solution, see Figure 6 As shown, the chain structure is a bilaterally symmetrical structure, that is, the structures at both ends of the load-bearing plate 12 are the same, so as to support both ends of the load-bearing plate 12. The multiple inner chain plates 1 and outer chain plates 2 at both ends move synchronously under the drive of the chain teeth, so as to realize the stable transmission of the items carried by the multiple load-bearing plates 12. When the chain structure is in use, the items to be transmitted are placed on the load-bearing plate 12, which can play a certain elastic buffering role through the elastic support column, avoiding the hard contact between the load-bearing plate 12 and each chain plate, which can increase the service life of each chain plate on the one hand, and make the chain structure have a good buffering effect on the other hand, so as to improve the protection effect of the transmitted items; at the same time, by arranging the guide plate 3 and the positioning seat 8 in the vertical direction in sections, a gap is formed between the two, so that the curb weight of the chain structure can be reduced without affecting the stability of the elastic support column.

[0030] In this embodiment, in order to further provide an elastic support column, the elastic support column includes a sleeve 5 provided with a top cover, a sliding column 15 is provided in the sleeve 5, a buffer spring 16 is provided between the sliding column 15 and the bottom surface of the positioning groove 10, and a column 13 is provided at the upper end of the sliding column 15 that passes through the top cover, and the column 13 is fixedly connected to the bearing plate 12. When the buffer spring 16 is in a normal state, the upper end of the sliding column 15 is pressed against the top cover to prevent the sliding column 15 from shaking when it is not under pressure. When installing the elastic support column, first install the spring into the sleeve 5 from the bottom, and then insert the bottom of the sleeve 5 into the positioning groove 10, so that the buffer spring 16 is slightly squeezed after installation to improve the stability of the sliding column 15, and then the sleeve 5 is welded and fixed to the positioning seat 8.

[0031] In this embodiment, the upper end of the column 13 is provided with a connecting column 6, the upper end of the connecting column 6 is set as a cylinder, and the lower end is set as a truncated cone column, and the upper end diameter of the truncated cone column is larger than the lower end diameter. Through such a setting, the support area of ​​the bottom of the bearing plate 12 is increased.

[0032] In this embodiment, in order to further provide a welding method between the sleeve 5 and the positioning seat 8, the outer wall of the sleeve 5 and the upper end of the positioning groove 10 are welded and fixed.

[0033] In this embodiment, the inner chain plates 1 and the outer chain plates 2 are arranged in pairs along the width direction of the chain structure, and guide plates 3 and positioning seats 8 are fixedly connected to each inner chain plate 1 and the outer side, and elastic support columns are provided to increase the supporting area of ​​the bearing plate 12.

[0034] To further provide a hinged connection method between the inner chain plate 1 and the outer chain plate 2, see Figure 5 As shown, first through holes are provided at both ends of the inner chain plate 1, and a pin barrel 9 is inserted into the first through hole. The outer end of the pin barrel 9 is aligned with the outer side of the inner chain plate 1; second through holes are provided at both ends of the outer chain plate 2, and a limit plate 11 is provided after the pin shaft 14 passes through the pin barrel 9 and the second through holes at both ends.

[0035] In this embodiment, a movable sleeve 7 is sleeved between two adjacent inner chain plates 1 along the width direction of the chain structure outside the pin barrel 9. Through the provision of the movable sleeve 7, the sprocket teeth on the sprocket wheel can be inserted into the gap between the two inner chain plates 1 or the gap between the two outer chain plates 2 more smoothly, protecting the pin shaft 14 and preventing the pin shaft 14 from being worn and broken.

[0036] In this embodiment, in order to further provide a guide plate 3, the guide plate 3 includes a vertical plate and a horizontal plate that are integrally connected, and the guide hole 4 is arranged on the horizontal plate.

[0037] In this embodiment, in order to further provide a guide plate 3, the connection between the vertical plate and the horizontal plate is an arc.

[0038] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications, and these simple modifications all belong to the protection scope of the present invention.

[0039] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present utility model will not further describe various possible combinations.

[0040] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A chain structure of a chain conveyor, characterized in that: The chain structure comprises a plurality of inner chain plates (1) and outer chain plates (2) which are hingedly connected at intervals through a pin shaft (14); the inner chain plate (1) is arranged on the inner side of the outer chain plate (2); the upper ends of the inner chain plate (1) and the outer chain plate (2) are respectively provided with guide plates (3) extending outward; the outer sides of the inner chain plate (1) and the outer chain plate (2) are respectively provided with positioning seats (8); the guide plates (3) are provided with guide holes (4); the positioning seats (8) are provided with positioning grooves (10) coaxial with the guide holes (4); an elastic support column is inserted into the guide holes (4); the bottom end of the elastic support column is fixedly inserted into the positioning groove (10); the upper end of the elastic support column is fixedly connected with a bearing plate (12); and a plurality of the bearing plates (12) are arranged along the extension direction of the chain structure.

2. The chain structure of the chain conveyor according to claim 1, characterized in that: The elastic support column comprises a sleeve (5) provided with a top cover, a sliding column (15) is provided in the sleeve (5), a buffer spring (16) is provided between the sliding column (15) and the bottom surface of the positioning groove (10), and a column (13) penetrating the top cover is provided at the upper end of the sliding column (15), and the column (13) is fixedly connected to the bearing plate (12).

3. The chain structure of the chain conveyor according to claim 2, characterized in that: A connecting column (6) is arranged at the upper end of the column (13); the upper end of the connecting column (6) is arranged as a cylinder, and the lower end is arranged as a truncated cone column; the upper end diameter of the truncated cone column is larger than the lower end diameter.

4. The chain structure of the chain conveyor according to claim 2, characterized in that: The outer wall of the sleeve (5) is fixed to the upper end of the positioning groove (10) by welding.

5. The chain structure of the chain conveyor according to claim 1, characterized in that: The inner layer chain plates (1) and the outer layer chain plates (2) are arranged in pairs along the width direction of the chain structure; The inner chain plate (1) is provided with first through holes at both ends, a pin barrel (9) is inserted into the first through hole, and the outer end of the pin barrel (9) is aligned with the outer side of the inner chain plate (1); The outer chain plate (2) is provided with second through holes at both ends, and the pin shaft (14) is provided with a limit plate (11) after passing through the pin barrel (9) and the second through holes at both ends.

6. The chain structure of the chain conveyor according to claim 5, characterized in that: A movable shaft sleeve (7) is sleeved outside the pin barrel (9) and between two adjacent inner chain plates (1) along the width direction of the chain structure.

7. The chain structure of the chain conveyor according to claim 1, characterized in that: The guide plate (3) comprises a vertical plate and a horizontal plate which are integrally connected, and the guide hole (4) is arranged on the horizontal plate.

8. The chain structure of the chain conveyor according to claim 7, characterized in that: The connection between the vertical plate and the horizontal plate is an arc.

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