A large-pitch needle roller bent plate chain for manufacturing chain plate conveyors

Abstract

This utility model discloses a large-pitch needle roller bent plate chain for manufacturing chain plate conveyors, including a needle roller chain body, a first chain plate, and a second chain plate. The first chain plate and the second chain plate are connected to the front and rear of the needle roller chain body, respectively. The first chain plate is disposed on the front side of the second chain plate, and a bent plate is connected to the front side of the first chain plate. A first through hole is provided through the bent plate. With the help of reinforcing ribs, the strength of the bent plate can be improved, and the bent plate can be prevented from denting or breaking when bearing loads or installing external structures. The mounting cover plate can be quickly disassembled and replaced, making the replacement of the bent plate of the entire chain more flexible and further improving its practicality.

Description

Technical Field

[0001] This utility model relates to the field of bent plate chain technology, specifically to a large pitch needle roller bent plate chain for manufacturing chain plate conveyors. Background Technology

[0002] Curved plate chains are mainly used in transmission systems to transmit power and motion through the meshing between chain links. They are suitable for fields such as machinery manufacturing, agricultural machinery, and mining equipment.

[0003] In the existing technology, the bent plates on large pitch needle roller chains are directly welded and fixed by workers or directly die-cast from chain plates. The bent plates of this structure will deform and skew under long-term loads. The strength of the bent plates is not high, and they cannot be flexibly replaced when the mounting end face of the bent plates is damaged.

[0004] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content

[0005] In view of the problems in the related technologies, this utility model proposes a large-pitch needle roller bent plate chain for manufacturing chain plate conveyors, so as to overcome the above-mentioned technical problems existing in the existing related technologies.

[0006] Therefore, the specific technical solution adopted by this utility model is as follows:

[0007] A large-pitch needle roller bent plate chain for manufacturing a chain plate conveyor includes a needle roller chain body, a first chain plate, and a second chain plate. The first chain plate and the second chain plate are connected to the needle roller chain body at the front and rear, respectively. The first chain plate is disposed on the front side of the second chain plate, and a bent plate is connected to the front side of the first chain plate. A first through hole is provided through the bent plate.

[0008] Preferably, the first chain plate has symmetrically through-hole positioning pins on its front side, and the two ends of the positioning pins are respectively fitted with reinforcing end caps, and the outer side of the first chain plate has an interlocking groove.

[0009] Preferably, the fitting groove extends through the bottom side of the first chain plate, and the inner wall of the fitting groove is provided with reinforcing ribs at equal intervals and symmetrically arranged on the rear side, and the curved plate is provided with L-shaped splicing grooves at equal intervals and symmetrically arranged on the rear side.

[0010] Preferably, the reinforcing rib structure matches the internal structure of the L-shaped splicing groove, the bent plate is engaged and fixed to the outside of the reinforcing rib through the L-shaped splicing groove, and positioning holes are respectively provided on both ends of the positioning pin.

[0011] Preferably, the positioning pins pass through the first chain plate and the second chain plate respectively, and a shaft is provided through the outer wall of the reinforced end cap, which is engaged and fixed inside the positioning hole.

[0012] Preferably, a concave groove is excavated on the bottom side of the inner wall of the curved plate, and an installation cover plate is movably embedded in the concave groove. A second through hole is provided through the installation cover plate. The first through hole and the second through hole have the same hole diameter structure and are positioned correspondingly.

[0013] Preferably, threaded slots are provided at the four corners of the bottom side of the concave groove, and connecting holes are provided at the four corners of the top of the mounting cover plate, with the positions of the connecting holes corresponding to the positions of the threaded slots.

[0014] The beneficial effects of this utility model are as follows: under the action of the reinforcing rib, the strength of the bent plate can be improved, and the bent plate can be prevented from sinking or breaking when bearing load and installing external structures. The mounting cover plate can be quickly disassembled and replaced, making the replacement of the bent plate of the whole chain more flexible and further improving its practicality. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the overall structure of a large-pitch needle roller bent plate chain for manufacturing a chain plate conveyor according to an embodiment of the present utility model.

[0017] Figure 2 This is a schematic diagram of the disassembled structure of the first chain plate of a large-pitch needle roller bent plate chain used in the manufacture of a chain plate conveyor according to an embodiment of the present utility model.

[0018] Figure 3 This is a schematic diagram of the bent plate disassembly structure of a large pitch needle roller bent plate chain used in the manufacture of a chain plate conveyor according to an embodiment of the present utility model.

[0019] In the picture:

[0020] 1. Needle roller chain body; 2. First chain plate; 3. Second chain plate; 4. Bend plate; 5. First through hole; 6. Positioning pin; 7. Reinforcing end cap; 8. Fitting groove; 9. Reinforcing rib; 10. L-shaped splicing groove; 11. Positioning hole; 12. Shaft; 13. Concave groove; 14. Mounting cover plate; 15. Second through hole; 16. Threaded groove; 17. Connecting hole. Detailed Implementation

[0021] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0022] According to an embodiment of the present invention, a large-pitch needle roller bent plate chain for manufacturing chain plate conveyors is provided.

[0023] Example 1

[0024] like Figure 1-3 As shown, a large-pitch needle roller bent plate chain for manufacturing a chain plate conveyor according to an embodiment of the present invention includes a needle roller chain body 1, a first chain plate 2, and a second chain plate 3. The first chain plate 2 and the second chain plate 3 are connected to the needle roller chain body 1 front and rear, respectively. The first chain plate 2 is disposed in front of the second chain plate 3, and a bent plate 4 is connected to the front of the first chain plate 2. A first through hole 5 is provided through the bent plate 4. A positioning pin 6 is symmetrically provided through the front of the first chain plate 2. Reinforcing end caps 7 are respectively fitted at both ends of the positioning pin 6. An fitting groove 8 is excavated on the outer side of the first chain plate 2, and the fitting groove 8 penetrates the bottom side of the first chain plate 2. Reinforcing ribs 9 are symmetrically provided at equal intervals on the rear side of the inner wall of the fitting groove 8. An L-shaped splicing groove 10 is symmetrically excavated at equal intervals on the rear side of the bent plate 4. The structure of the reinforcing rib 9 matches the internal structure of the L-shaped splicing groove 10. The bent plate 4 is connected by the L-shaped splicing groove 10. The groove 10 is engaged and fixed to the outside of the reinforcing rib 9. The positioning pin 6 has positioning holes 11 through both ends. The positioning pin 6 passes through the first chain plate 2 and the second chain plate 3 respectively. The reinforcing end cap 7 has a shaft 12 through the outer wall. The shaft 12 is engaged and fixed inside the positioning hole 11. The first chain plate 2 and the second chain plate 3 are spliced ​​together by the positioning pin 6. Then, the reinforcing end cap 7 is engaged at both ends of the positioning pin 6, and the shaft 12 passes through the positioning hole 11 and the outer wall of the reinforcing end cap 7 in sequence. The positioning pin 6 can be quickly fixed and limited. The bent plate 4 is fitted into the fitting groove 8 on the outer wall of the first chain plate 2, and the L-shaped splicing groove 10 on the back of the bent plate 4 is fitted and fixed with the reinforcing rib 9 inside the fitting groove 8. Under the action of the reinforcing rib 9, the strength of the bent plate 4 can be improved, and the bent plate 4 can be prevented from sinking or breaking when bearing or installing external structures.

[0025] Example 2

[0026] like Figure 1-3As shown, a large-pitch needle roller bent plate chain for manufacturing a chain plate conveyor according to an embodiment of the present invention includes a needle roller chain body 1, a first chain plate 2, and a second chain plate 3. The first chain plate 2 and the second chain plate 3 are respectively connected to the needle roller chain body 1 at the front and rear. The first chain plate 2 is disposed in front of the second chain plate 3, and a bent plate 4 is connected to the front of the first chain plate 2. A first through hole 5 is provided through the bent plate 4. A concave groove 13 is carved in the bottom side of the inner wall of the bent plate 4. A mounting cover plate 14 is movably embedded in the concave groove 13. A second through hole 15 is provided through the mounting cover plate 14. The first through hole 5 and the second through hole 15 have the same hole diameter structure and are in the same position. Threaded slots 16 are respectively dug at the four corners of the bottom side of the inner wall of the concave groove 13. Connecting holes 17 are provided through the four corners of the top of the mounting cover plate 14. The position of the connecting holes 17 corresponds to the position of the threaded slots 16. When the end face of the bent plate 4 is worn, the bolts on the mounting cover plate 14 can be screwed on to remove the mounting cover plate 14 from the inside of the concave groove 13. The mounting cover plate 14 can be quickly disassembled and replaced, making the replacement of the bent plate of the whole chain more flexible and further improving its practicality.

[0027] In summary, with the help of the above-mentioned technical solution of this utility model, when this device is in use, the first chain plate 2 and the second chain plate 3 are spliced ​​together by the positioning pin 6, and then the reinforcing end cap 7 is engaged at both ends of the positioning pin 6, and the shaft 12 passes through the positioning hole 11 and the outer wall of the reinforcing end cap 7 in sequence, so that the positioning pin 6 can be quickly fixed. The bent plate 4 is fitted into the fitting groove 8 on the outer wall of the first chain plate 2, and the L-shaped splicing groove 10 on the back of the bent plate 4 is fitted and fixed with the reinforcing rib 9 inside the fitting groove 8. Under the action of the reinforcing rib 9, the strength of the bent plate 4 can be improved. When the end face of the bent plate 4 is worn, the bolts on the mounting cover plate 14 can be screwed on, so that the mounting cover plate 14 can be removed from the concave groove 13, and the mounting cover plate 14 can be quickly disassembled and replaced.

[0028] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A large-pitch needle roller bent plate chain for chain conveyor manufacturing, comprising a needle roller chain body (1), a first chain plate (2), and a second chain plate (3), characterized in that, The first chain plate (2) and the second chain plate (3) are connected to the front and rear of the needle roller chain body (1) respectively. The first chain plate (2) is located on the front side of the second chain plate (3), and a bent plate (4) is connected to the front side of the first chain plate (2). A first through hole (5) is provided on the bent plate (4).

2. The large-pitch needle roller bent plate chain for manufacturing a chain plate conveyor according to claim 1, characterized in that, The first chain plate (2) is symmetrically provided with a positioning pin (6) on the front side. The two ends of the positioning pin (6) are respectively fitted with a reinforcing end cap (7). The outer side of the first chain plate (2) is provided with an interlocking groove (8).

3. A large-pitch needle roller bent plate chain for a chain conveyor according to claim 2, characterized in that, The fitting groove (8) penetrates the bottom side of the first chain plate (2), and the inner wall of the fitting groove (8) is provided with symmetrical reinforcing ribs (9) at equal intervals. The back side of the bent plate (4) is provided with L-shaped splicing grooves (10) at equal intervals.

4. A large-pitch needle roller bent plate chain for a chain conveyor according to claim 3, wherein The structure of the reinforcing rib (9) matches the internal structure of the L-shaped splicing groove (10). The bent plate (4) is fixed to the outside of the reinforcing rib (9) by the L-shaped splicing groove (10). The positioning pin (6) has positioning holes (11) through both ends.

5. A large-pitch needle roller bent plate chain for a chain conveyor according to claim 4, wherein The positioning pin (6) passes through the first chain plate (2) and the second chain plate (3) respectively. The reinforcing end cap (7) has a shaft (12) through it on its outer wall. The shaft (12) is engaged and fixed inside the positioning hole (11).

6. A large-pitch needle roller bent plate chain for a chain conveyor according to claim 5, wherein The inner wall of the curved plate (4) is provided with a concave groove (13), and a mounting cover plate (14) is movably embedded inside the concave groove (13). A second through hole (15) is provided through the mounting cover plate (14). The first through hole (5) and the second through hole (15) have the same hole diameter structure and are in corresponding positions.

7. A large-pitch needle roller bent plate chain for a chain conveyor according to claim 6, wherein The concave groove (13) has threaded hole grooves (16) at the four corners of the bottom side of the inner wall, and the mounting cover plate (14) has connecting holes (17) at the four corners of the top. The position of the connecting holes (17) corresponds to the position of the threaded hole grooves (16).

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