Shallow slot chain with cladding welding wear-resisting strips

By cladding and welding wave-shaped wear-resistant strips on the shallow-trough chain and setting anti-detrough components, the problems of poor wear resistance and latch wear in the prior art are solved, and higher wear resistance and service life are achieved. And prevent chain breakage.

CN222208807UActive Publication Date: 2024-12-20HEBEI HENGMAI MASCH MFG CO LTD
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Patent Information

Application Number
CN202420560827.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-22
Publication Date
2024-12-20
Estimated Expiration
2034-03-22

AI Technical Summary

Technical Problem

The existing shallow groove chains have poor wear resistance, resulting in short service life, and the pins connecting the inner and outer link plates are prone to wear, resulting in chain breakage.

Method used

Using interlaced inner and outer link plates, wavy wear-resistant strips are welded by cladding, and anti-disassembly components are installed outside the pins of the connecting shaft, including cylindrical shells, rectangular cards, lock nuts and other structures to prevent pins. Wear and loose lock nuts.

Benefits of technology

It significantly improves the wear resistance of the chain, extends the service life, and prevents the pin from falling off and the lock nut loosening, avoiding the chain breakage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a shallow slot chain with cladding welding wear-resisting strips, which comprises a plurality of groups of inner chain plates and a plurality of groups of outer chain plates which are arranged in a staggered manner, a sleeve is arranged between two inner chain plates in each group, and a connecting shaft for connecting the inner chain plates and the outer chain plates is arranged between the inner chain plates and the outer chain plates in a penetrating manner. The connecting shaft sequentially penetrates through the outer chain plate, the inner chain plate, the sleeve, the inner chain plate and the outer chain plate; one end of each connecting shaft is provided with a clamping table, the other end of each connecting shaft is provided with a plug pin, and the clamping tables and the plug pins are connected with the outer side faces of the two corresponding outer chain plates in a clamped mode respectively. An anti-falling component is arranged outside the bolt; wavy wear-resistant strips are arranged on the top side and the bottom side of the inner chain plate and the top side and the bottom side of the outer chain plate in the length direction, and the wear-resistant strips are welded to the top side and the bottom side of the inner chain plate and the top side and the bottom side of the outer chain plate in a fusion covering mode; the thickness of the wear-resisting strip fused into the chain plate is 0.5 mm, and the thickness of the wear-resisting strip exposed out of the chain plate is 2 mm.
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Description

Technical Field

[0001] The utility model relates to the technical field of shallow groove chains, in particular to a shallow groove chain with cladding-welded wear-resistant strips. Background Art

[0002] Although there are many kinds of chains currently used in shallow trough sorting machines, most of them have poor wear resistance in actual use, resulting in a short service life. In addition, the pins on the connecting shafts used to connect the inner and outer chain plates in the chain are also easily worn during the operation of the chain, making the pins easy to fall off, thus causing the chain to break. Utility Model Content

[0003] The main purpose of the utility model is to provide a shallow groove chain with a cladding welded wear-resistant strip to solve the problem that the shallow groove chain in the prior art has poor wear resistance and the pin on the connecting shaft for connecting the inner link plate and the outer link plate is also easily worn, causing the pin to fall off and the chain to break.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a shallow groove chain with cladding welded wear-resistant strips, including multiple groups of inner chain plates and multiple groups of outer chain plates arranged alternately, a sleeve is provided between the two inner chain plates of each group, the outer chain plates are arranged alternately on the outside of the inner chain plates, a connecting shaft for connecting the inner chain plates and the outer chain plates is passed between the inner chain plates and the outer chain plates, and the connecting shaft passes through the outer chain plates, the inner chain plates, the sleeves, the inner chain plates, and the outer chain plates in sequence,

[0005] One end of the connecting shaft is provided with a clamping platform, and the other end is provided with a latch, and the clamping platform and the latch are respectively clamped with the outer side surfaces of the corresponding two outer link plates; the outside of the latch is provided with an anti-dropping component;

[0006] The top and bottom sides of the inner link plate and the top and bottom sides of the outer link plate are provided with wavy wear-resistant strips along their length direction, and the wear-resistant strips are clad and welded on the top and bottom sides of the inner link plate and the top and bottom sides of the outer link plate; the thickness of the wear-resistant strip melted into the interior of the chain plate is 0.5 mm, and the thickness of the wear-resistant strip exposed outside the chain plate is 2 mm.

[0007] Furthermore, the end of the connecting shaft away from the card table is provided with a socket perpendicular to the axis of the connecting shaft, and the pin is inserted into the socket; one end of the pin is provided with a rectangular card, and the rectangular card is engaged with the side wall of the connecting shaft, and the other end of the pin is threadedly connected with a locking nut.

[0008] Further, the anti-detachment component includes a cylindrical outer shell, a through hole is provided at the center of the outer shell, the through hole has the same diameter as the connecting shaft, a first inner groove is provided on the inner wall of the through hole, a second through groove is provided opposite to the first inner groove, the second through groove is connected with the through hole and passes through to the outside of the outer shell; a clamping groove is provided on the side of the second through groove close to the through hole; the outer shell is sleeved on one end of the connecting shaft where the pin is set, the first inner groove cover is provided on the outside of the rectangular card, the clamping groove is clamped with the bottom of the locking nut, and the through hole is interference fit with the end of the connecting shaft.

[0009] As a further feature, the card platform is trapezoidal.

[0010] As a further feature, the cross section of the sleeve is elliptical, and a through hole for passing the connecting shaft is provided at the center of the sleeve.

[0011] As a further feature, the wear-resistant strip is made of a high chromium alloy.

[0012] The beneficial effects of the utility model are:

[0013] 1. The present application provides wavy wear-resistant strips on the top and bottom sides of the inner link plate and the outer link plate. The wear-resistant strips can greatly improve the overall wear resistance of the chain and increase its service life. The wear-resistant strips in the present application are welded and integrated with the chain plate, which is more durable, has lower cost and higher production efficiency.

[0014] 2. In this application, an anti-drop component is provided on the outside of the bolt of the connecting shaft, which can cover the bolt to prevent the bolt from being worn and causing damage to the chain. At the same time, it can also clamp the rectangular card and locking nut of the bolt to prevent the locking nut from loosening and causing damage to the chain. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0016] Figure 1 It is an overall schematic diagram of the utility model;

[0017] Figure 2 It is an exploded view of the utility model;

[0018] Figure 3 It is a schematic diagram of the anti-slip assembly in the utility model;

[0019] Figure 4 yes Figure 1 Interior detail of the front side;

[0020] Figure 5 yes Figure 1 Interior detail from the side;

[0021] Figure 6 It is a cross-sectional view of the inner chain plate sleeve in the utility model.

[0022] Among them: 1. inner link plate; 2. outer link plate; 3. sleeve; 30. through hole; 4. connecting shaft; 40. card table; 41. socket; 5. latch; 50. rectangular card; 51. locking nut; 6. wear-resistant strip; 7. anti-slip assembly; 70. outer shell; 71. through hole; 72. first inner groove; 73. second through groove; 74. card slot. DETAILED DESCRIPTION

[0023] The following is a clear and complete description of the technical solution in the utility model in conjunction with the drawings in the embodiments of the utility model. In the following description, many specific details are set forth to facilitate a full understanding of the utility model, but the utility model can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0024] See also Figure 1-Figure 6 A shallow groove chain with a welded wear-resistant strip 6 comprises a plurality of groups of inner link plates 1 and a plurality of groups of outer link plates 2 arranged alternately, wherein a sleeve 3 is arranged between two inner link plates 1 of each group, such as Figure 1 As shown, both ends of the two inner link plates 1 of each group are provided with a sleeve 3, and the outer link plates 2 are staggeredly arranged on the outer sides of the inner link plates 1. A connecting shaft 4 for connecting the inner link plates 1 and the outer link plates 2 is passed through between the inner link plates 1 and the outer link plates 2. The connecting shaft 4 passes through the outer link plates 2, the inner link plates 1, the sleeve 3, the inner link plates 1, and the outer link plates 2 in sequence; Figure 1 As shown, the staggered arrangement of the outer link plates 2 and the inner link plates 1 and the connection method using the sleeve 3 and the connecting shaft 4 in the present application are both prior arts.

[0025] like Figure 1 and Figure 2 As shown, the present application is provided with wavy wear-resistant strips 6 along the length direction on the top and bottom sides of the inner link plate 1 and the top and bottom sides of the outer link plate 2; the wear-resistant strips 6 are welded to the top and bottom sides of the inner link plate 1 and the top and bottom sides of the outer link plate 2 by cladding welding; wherein the thickness of the wear-resistant strips 6 melted into the interior of the chain plate is 0.5 mm, and the thickness of the wear-resistant strips 6 exposed outside the chain plate is 2 mm. In addition, the material of the wear-resistant strips 6 is a high-chromium alloy. By setting the wear-resistant strips 6, the wear resistance of the entire chain can be greatly improved, and its service life can be increased. Moreover, the wear-resistant strips 6 in the present application are integrated with the chain plate by cladding welding, which is more durable, has lower cost, and higher production efficiency.

[0026] It is also worth noting that one end of the connecting shaft 4 in the present application is provided with a clamping platform 40, and the other end is provided with a latch 5, and the clamping platform 40 and the latch 5 are respectively clamped with the outer side surfaces of the corresponding two outer link plates 2; Figure 2 As shown, in the present application, a group of outer link plates 2 are staggered outside a group of inner link plates 1, and then a connecting shaft 4 is used to sequentially pass through the outer link plates 2, the inner link plates 1, the sleeve 3, the inner link plates 1, and the outer link plates 2, wherein one end of the connecting shaft 4 is provided with a clamping table 40 and is clamped with the side of the corresponding outer link plate 2 (this is also the prior art), and a latch 5 is provided at the other end of the connecting shaft 4, so that the connecting shaft 4 combines the set of inner link plates 1 and outer link plates 2 together. Figure 2 As shown, the card table 40 in the present application is set to a trapezoidal shape, which has greater tolerance and is less prone to wear. Figure 2 As shown, the end of the connecting shaft 4 away from the clamping platform 40 is provided with a socket 41 perpendicular to the axis of the connecting shaft 4, and the plug 5 is inserted into the socket 41; a rectangular card 50 is provided at one end of the plug 5, and the rectangular card 50 is clamped with the side wall of the connecting shaft 4, and the other end of the plug 5 is threadedly connected with a locking nut 51. In this way, the plug 5 can be fixed to the end of the connecting shaft 4. In addition, in order to prevent the plug 5 from being worn and the nut from loosening, causing the chain to break; an anti-slip component 7 is also provided on the outside of the plug 5; specifically, as shown in FIG. Figure 3 As shown, the anti-drop assembly 7 includes a cylindrical shell 70, a through hole 71 is provided at the center of the shell 70, and the through hole 71 has the same diameter as the connecting shaft 4. A first inner groove 72 is provided on the inner wall of the through hole 71; a second through groove 73 is provided opposite to the first inner groove 72, that is, the second through groove 73 is arranged opposite to the first inner groove 72, the second through groove 73 is connected to the through hole 71, and penetrates to the outside of the shell 70. A clamping groove 74 is provided on one side of the second through groove 73 close to the through hole 71; as shown in FIG. Figure 4 and Figure 5 As shown. The housing 70 is sleeved on one end of the connecting shaft 4 where the latch 5 is provided, the first inner groove 72 is covered on the outside of the rectangular card 50, the locking nut 51 is located in the clamping groove 74, and the clamping groove 74 is clamped with the bottom of the locking nut 51, and the bottom end of the latch 5 is located in the second through groove 73; the through hole 71 is interference fit with the end of the connecting shaft 4. In this way, the housing 70 can cover the latch 5 to prevent the latch 5 from being worn, and at the same time, the rectangular card 50 and the locking nut 51 of the latch 5 can be clamped to prevent the locking nut 51 from loosening.

[0027] In addition, Figure 6 As shown, the cross section of the sleeve 3 in the present application is elliptical, and the center of the sleeve 3 is provided with a through hole 30 for passing the connecting shaft 4. This can widen the thickness of the sleeve 3, making it more wear-resistant and more solid and not easy to break.

[0028] The above description is only a preferred embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Claims

1. A shallow groove chain with welded wear strips, comprising a plurality of staggered inner chain plates and a plurality of outer chain plates, wherein a sleeve is arranged between two inner chain plates of each group, and the outer chain plates are staggered on the outside of the inner chain plates, and a connecting shaft for connecting the inner chain plates and the outer chain plates is passed through between the inner chain plates and the outer chain plates, and the connecting shaft passes through the outer chain plates, the inner chain plates, the sleeves, the inner chain plates, and the outer chain plates in sequence, characterized in that : One end of the connecting shaft is provided with a clamping platform, and the other end is provided with a latch, and the clamping platform and the latch are respectively clamped with the outer side surfaces of the corresponding two outer link plates; the outside of the latch is provided with an anti-dropping component; The top and bottom sides of the inner link plate and the top and bottom sides of the outer link plate are provided with wavy wear-resistant strips along their length direction, and the wear-resistant strips are clad and welded on the top and bottom sides of the inner link plate and the top and bottom sides of the outer link plate; the thickness of the wear-resistant strip melted into the interior of the chain plate is 0.5 mm, and the thickness of the wear-resistant strip exposed outside the chain plate is 2 mm.

2. A shallow groove chain with cladding welded wear-resistant strips according to claim 1, characterized in that: The end of the connecting shaft away from the card table is provided with a socket perpendicular to the axis of the connecting shaft, and the pin is inserted into the socket; one end of the pin is provided with a rectangular card, and the rectangular card is engaged with the side wall of the connecting shaft, and the other end of the pin is threadedly connected with a locking nut.

3. A shallow groove chain with cladding welded wear-resistant strips according to claim 2, characterized in that: The anti-drop assembly includes a cylindrical shell, a through hole is provided at the center of the shell, the through hole has the same diameter as the connecting shaft, a first inner groove is provided on the inner wall of the through hole, a second through groove is provided opposite to the first inner groove, the second through groove is communicated with the through hole and passes through to the outside of the shell; a clamping groove is provided on the side of the second through groove close to the through hole; the shell is sleeved on one end of the connecting shaft where the pin is provided, the first inner groove cover is provided on the outside of the rectangular card, the clamping groove is clamped with the bottom of the locking nut, and the through hole is interference fit with the end of the connecting shaft.

4. A shallow groove chain with cladding welded wear-resistant strips according to claim 1, characterized in that: The card platform is trapezoidal.

5. A shallow groove chain with cladding welded wear-resistant strips according to claim 1, characterized in that: The cross section of the sleeve is elliptical, and a through hole for passing a connecting shaft is provided at the center of the sleeve.

6. A shallow groove chain with cladding welded wear-resistant strips according to claim 1, characterized in that: The material of the wear-resistant strip is a high-chromium alloy.