Chain for embedded scraper transporter
The chain design for buried scraper conveyors addresses wear and breakage issues by using 40Cr steel links and Q355 steel scrapers with anti-rotation features, improving durability and safety.
Patent Information
- Application Number
- CN202421189487.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-28
AI Technical Summary
Existing buried scraper conveyor chains suffer from wear and breakage due to free rotation of chain links and pin shafts, leading to reduced service life and safety hazards.
A chain design featuring chain links with slots, pins, and T-pins, made of 40Cr steel, with circular holes and bosses to prevent rotation, and scrapers made of Q355 steel for enhanced wear resistance, connected in chain link groups.
Prevents wear of inner holes and pins, enhances tensile strength, and reduces breakage, ensuring longer service life and safety by using 40Cr steel for links and Q355 steel for scrapers.
Smart Images

Figure CN222273105U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of buried scraper conveyors, in particular to a chain used for buried scraper conveyors. Background Art
[0002] As described in the published patent document CN204384261U: The buried scraper conveyor is a chain conveying mechanical equipment in the bulk material conveying system. Compared with the traditional open belt conveyor, the buried scraper conveyor conveys bulk materials in a closed conveying channel, and has the advantages of dustproof, waterproof and pollution-proof.
[0003] However, since the chain links and the pin shafts of the existing chains can rotate freely, the inner holes of the chain links and the pin shafts are seriously worn, and the impact of the material on the chain material is not fully considered. The chain links are easy to break, and the detached scraper entering the subsequent flaking machine and other equipment is easy to damage the blades of the flaking machine. This shortens the service life of the chain and causes significant economic losses and safety hazards to production. Utility Model Content
[0004] The utility model provides a chain for an embedded scraper conveyor to solve one of the problems raised in the above background technology:
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A chain for an embedded scraper conveyor, comprising a plurality of chain links with slots, a plurality of pins, a plurality of scrapers, a plurality of T-pins and a plurality of chain links;
[0007] The scraper is welded to the slot of the slotted chain link;
[0008] The pin shaft fixes the chain link with the slot and the chain link together to form a chain link group;
[0009] The T-pin fixes the pin shaft to prevent the pin shaft from falling out;
[0010] There are a plurality of chain link groups, which are connected through pins to form a chain for an embedded scraper conveyor.
[0011] Further: the chain links with slots and the chain links are made of 40Cr steel;
[0012] The chain link with the slot is also provided with a circular hole for installing the pin shaft and a boss for preventing the pin shaft from rotating;
[0013] The chain link is provided with a circular hole for installing a pin shaft and a boss for preventing the pin shaft from rotating, which are the same as those of the chain link with a slot.
[0014] Further: the pin is made of 40Cr steel;
[0015] The pin shaft is provided with a notch for preventing the pin shaft from rotating;
[0016] The pin shaft is also provided with a circular hole for installing a T-shaped pin.
[0017] Furthermore: the scraper is welded from Q355 steel plates.
[0018] The beneficial effects of the utility model are:
[0019] 1: Chain links and chain links with slots are provided with round holes for installing pins and bosses to prevent the pins from rotating, so as to prevent wear of the inner holes of the chain links and the pins.
[0020] 2: The scraper material is Q355 steel plate, which has strong wear resistance.
[0021] 3: Chain links, chain links with slots and pins are all made of 40Cr steel, with a tensile strength usually above 1000MPa, an impact value of not less than 27J, an elongation of not less than 10%, good tensile and bending resistance, and not easy to break.
[0022] 4: In the form of chain link groups, multiple chain link groups can be selected for splicing at any time according to the conveying length. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.
[0024] Figure 1 It is a main structural diagram of a chain link group of the utility model;
[0025] Figure 2 It is a top view of a chain link assembly of the utility model;
[0026] Figure 3 It is a left-side structural diagram of a chain link assembly of the utility model;
[0027] Figure 4 This is a front structural diagram of a chain link 1 with a slot according to the present invention;
[0028] Figure 5 It is a top view of the structure of the chain link 1 with a slot of the utility model;
[0029] Figure 6 This is a front structural diagram of the chain link 5 of the utility model;
[0030] Figure 7 It is a top view of the chain link 5 of the utility model;
[0031] Figure 8 This is a front structural diagram of the chain scraper 3 of the utility model;
[0032] Fig. 9 This is a front structural diagram of the chain pin 2 of the utility model;
[0033] Fig.10 It is a left-side structural diagram of the chain pin 2 of the utility model.
[0034] In the figure: 1. Chain link with slot; 2. Pin shaft; 3. Scraper; 4. T-pin; 5. Chain link; 6. Boss; 7. Slot; 8. Round hole for T-pin; 9. Round hole for pin shaft; 10. Notch. DETAILED DESCRIPTION
[0035] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model, that is, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0036] Therefore, the following detailed description of the embodiments of the utility model provided in the accompanying drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents selected embodiments of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.
[0037] The present invention is limited only by the claims and their full scope and equivalents. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0038] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", etc. should be understood in a broad sense, for example, it can be an installed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0039] See also Figures 1 to 3In an embodiment of the utility model, a chain link group of a chain for an embedded scraper conveyor includes a chain link 1 with a slot, a pin 2, a scraper 3, a T-pin 4 and a chain link 5.
[0040] Specifically: the chain used for the scraper conveyor is composed of a plurality of chain link groups according to the actual conveying length; the chain link group is composed of a pin shaft 2 fixing a chain link 1 with a slot and a chain link 5 through a circular hole 9 for installing the pin shaft;
[0041] Chain link with slot 1 Figures 4-5 As shown, it includes a circular hole 9 for mounting the pin shaft 2, a slot 7 for welding the scraper 3, and a boss 6 for preventing the pin shaft 2 from rotating;
[0042] Link 5 Figures 6-7 As shown, it includes a circular hole 9 for mounting the pin shaft 2 and a boss 6 for preventing the pin shaft 2 from rotating;
[0043] like Figure 8 As shown, it is a front view of the scraper 3, which is specifically welded from Q355 steel plates and is in a flat plate shape;
[0044] Pin 2 Figures 9-10 As shown, there is a round hole for installing a T-shaped pin 8 and a notch 10 for cooperating with a chain link to prevent the pin shaft from rotating.
[0045] The principle of the utility model is specifically as follows:
[0046] The chain link 5, the chain link with a slot 1 and the pin 2 are all made of 40Cr steel, whose tensile strength is usually above 1000MPa, the impact value is not less than 27J, the elongation is not less than 10%, the tensile and bending resistance are good, and it is not easy to be broken; the scraper 3 is welded from Q355 steel plates and has strong wear resistance; the chain link 5 and the chain link with a slot 1 are provided with a circular hole 9 for installing the pin 2 and a boss 6 for preventing the pin 2 from rotating, so as to prevent the inner hole of the chain link and the pin from being worn; in actual use, the chain link group only needs to be spliced according to the conveying length to form a chain.
[0047] The above contents are merely examples and explanations of the structure of the utility model. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of the utility model.
Claims
1. A chain for an embedded scraper conveyor, characterized in that: It comprises a plurality of chain links with slots (1), a plurality of pin shafts (2), a plurality of scrapers (3), a plurality of T-shaped pins (4) and a plurality of chain links (5); The scraper (3) is welded to the slot of the chain link (1) with a slot; The pin shaft (2) fixes the chain link (1) with the slot and the chain link (5) together to form a chain link group; The T-pin (4) fixes the pin shaft (2) to prevent the pin shaft (2) from falling out; There are a plurality of chain link groups, which are connected via pins (2) to form a chain for an embedded scraper conveyor.
2. A chain for an embedded scraper conveyor according to claim 1, characterized in that: The chain link with a slot (1) and the chain link (5) are made of 40Cr steel; The chain link with a slot (1) is also provided with a circular hole for installing the pin shaft (2) and a boss for preventing the pin shaft (2) from rotating; The chain link (5) is provided with a circular hole for installing the pin shaft (2) and a boss for preventing the pin shaft (2) from rotating, which are the same as those of the chain link with a slot (1).
3. A chain for an embedded scraper conveyor according to claim 1, characterized in that: The pin shaft (2) is made of 40Cr steel; The pin shaft (2) is provided with a notch for preventing the pin shaft (2) from rotating; The pin shaft (2) is also provided with a circular hole for installing a T-shaped pin (4).
4. A chain for an embedded scraper conveyor according to claim 1, characterized in that: The scraper (3) is made of Q355 steel plates welded together.