A high-strength round-link chain twisting device for mining

Abstract

The invention discloses a ring twisting device for a high-strength round-link chain for mining, which belongs to the technical field of round-link chains. The device comprises a longitudinal round-link chain, an inner ring of the longitudinal round-link chain is clamped with an inner ring of a transverse round-link chain, a base is arranged at the lower end of the longitudinal round-link chain, the base is connected and fixed to the surface of a scraper conveyor belt, a slide groove is arranged at the middle position of the top of the base, the slide groove is in sliding contact with the lower end of the longitudinal round-link chain, grooves are arranged at the two end positions of the top of the base, and the grooves are connected and fixed to a transverse compensation structure. The invention effectively solves the technical problem that in the prior art, the high-strength round-link chain for mining used is relatively long, and in order to prevent it from deforming and falling off during long-term use, it is necessary to play a role of sliding support for the round-link chain between the round-link chain and the conveyor belt, but the existing support is easily worn with the round-link chain, resulting in a reduction in the service life of the round-link chain.

Description

Technical Field

[0001] The invention mainly relates to the technical field of round link chains, in particular to a high-strength round link chain twisting device for mining. Background Art

[0002] High-strength round link chains for mining are the main equipment for mechanized coal mining in underground coal mines, such as scraper conveyors, scraper transfer machines and coal planers. They are key and vulnerable parts of the equipment. The existing round link chains have the following problems:

[0003] 1. Since the high-strength round-link chain used in mining is relatively long, in order to prevent the round-link chain from deformation and falling off during long-term use, it is necessary to play the role of sliding support for the round-link chain between the round-link chain and the scraper conveyor belt. However, the existing support parts are prone to wear between the round-link chain, resulting in a decrease in the life of the round-link chain, thereby reducing the life of the scraper conveyor.

[0004] 2. The existing round link chains generally have greater wear in the longitudinal direction and less wear in the transverse direction, which results in uneven wear distribution, causing the longitudinal link chains to wear and damage faster, thereby accelerating the damage of the round link chains.

[0005] Therefore, a high-strength round link chain twisting device for mining is needed to solve the above problems. Summary of the invention

[0006] The technical solution of the present invention aims at the technical problem that the existing technical solution is too single, and provides a solution that is significantly different from the existing technology. It mainly provides a high-strength round link chain twisting device for mining, which is used to solve the technical problems raised in the above background technology.

[0007] The technical solution adopted by the present invention to solve the above technical problems is: a high-strength round link chain twisting device for mining, comprising a longitudinal round link chain, the inner ring of the longitudinal round link chain is clamped with the inner ring of the transverse round link chain, a base is arranged at the lower end of the longitudinal round link chain, the base is connected and fixed to the surface of the scraper conveyor belt, a slide groove is provided at the middle position of the top of the base, the slide groove is in sliding contact with the lower end of the longitudinal round link chain, grooves are provided at the two end positions of the top of the base, and the grooves are connected and fixed to the transverse compensation structure.

[0008] Preferably, circular recessed holes are symmetrically provided in the slide groove, and first balls are placed in the circular recessed holes, and the first balls are in contact with the lower end of the longitudinal circular link chain.

[0009] Preferably, a first threaded hole is provided at the bottom of the base, the threaded hole is threadedly connected to the first limiting rod, and the top of the first limiting rod is in contact with the outer race of the first ball.

[0010] Preferably, a bull's eye bearing is installed on the top of the first limiting rod, and the bull's eye bearing is in contact with the first ball.

[0011] Preferably, the lateral compensation structure includes a roller, an outer ring of which contacts the bottom of the lateral circular chain, the roller is arranged in a groove, second threaded holes are provided on both sides of the groove, and the second threaded hole is threadedly connected to the second limiting rod.

[0012] Preferably, a side of the rotating roller away from the chute is fixedly connected to the limiting roller.

[0013] Preferably, a plurality of second balls are equidistantly arranged on the outer ring of the rotating roller, and the second balls are arranged in the grooves.

[0014] Preferably, a hollow groove is provided on the base at the bottom of the second ball at the lower end of the groove.

[0015] Compared with the prior art, the present invention has the following beneficial effects: the first limiting rod can limit the first ball from falling off, and the first ball can prevent wear between the slide groove and the longitudinal round link chain, thereby extending the service life of the longitudinal round link chain.

[0016] When the longitudinal round link chain is subjected to long-term wear, the contact between the transverse round link chain and the roller can first share the greater force wear on the bottom of the longitudinal round link chain, and then the rotation of the roller can reduce the wear on the bottom of the transverse round link chain, and the second limit rod can limit the roller to prevent it from falling off.

[0017] The semicircular connecting ring can first ensure the stability of the scraper, and at the same time ensure the limit of the connection between the inner ring of the longitudinal ring chain and the inner ring of the transverse ring chain, to prevent the inner ring of the longitudinal ring chain and the transverse ring chain from shaking too much and falling off the gear when the scraper conveyor is running, and the damaged scraper can be quickly replaced by bolt connection to ensure stable conveying efficiency.

[0018] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of a high-strength round-link chain twisting device for mining of the present invention;

[0020] Figure 2 It is a three-dimensional schematic diagram of the present invention;

[0021] Figure 3 It is a schematic diagram of the cross-sectional structure of the base in the present invention;

[0022] Figure 4 It is a bottom schematic diagram of the present invention;

[0023] Figure 5 It is a front schematic diagram of the present invention;

[0024] Figure 6 It is a top view of the present invention.

[0025] Markings in the figure: 1-longitudinal link chain, 2-transverse link chain, 3-base, 31-hollow groove, 4-transverse compensation structure, 41-roller, 42-limiting roller, 43-second ball, 5-second limiting rod, 61-first ball, 62-first limiting rod, 621-bull's eye bearing. DETAILED DESCRIPTION

[0026] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0027] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly connected by technicians in the technical field to which the present invention belongs. The terminology used in the specification of the present invention is for the purpose of describing specific embodiments and is not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0029] See also Figure 1-Figure 6A high-strength round link chain twisting device for mining includes a longitudinal round link chain 1, the inner ring of the longitudinal round link chain 1 is clamped with the inner ring of the transverse round link chain 2, a base 3 is arranged at the lower end of the longitudinal round link chain 1, the base 3 is connected and fixed to the surface of the scraper conveyor belt, a chute is arranged at the middle position of the top of the base 3, the chute is in sliding contact with the lower end of the longitudinal round link chain 1, grooves are arranged at the two ends of the top of the base 3, and the grooves are connected and fixed to the transverse compensation structure 4. Circular concave holes are symmetrically arranged in the chute, and a first ball 61 is placed in the circular concave hole, and the first ball 61 is in contact with the lower end of the longitudinal round link chain 1. A first threaded hole is arranged at the bottom of the base 3, and the threaded hole is threadedly connected with a first limiting rod 62, and the top of the first limiting rod 62 is in contact with the outer ring of the first ball 61, and the first limiting rod 62 can limit the first ball 61 from falling off, and the first ball 61 can prevent the wear between the chute and the longitudinal round link chain 1, thereby extending the service life of the longitudinal round link chain 1. A bull's eye bearing 621 is installed on the top of the first limiting rod 62, and the bull's eye bearing 621 contacts the first ball 61. The bull's eye bearing 621 can first limit the first ball 61, and the bull's eye bearing 621 can prevent wear between the first limiting rod 62 and the first ball 61.

[0030] The lateral compensation structure 4 includes a roller 41, the outer ring of which is in contact with the bottom of the lateral circular link chain 2. The roller 41 is arranged in a groove, and second threaded holes are provided on both sides of the groove. The second threaded holes are threadedly connected to the second limiting rod 5. Through the contact between the lateral circular link chain 2 and the roller 41, firstly, the greater force and wear on the bottom of the longitudinal circular link chain 1 can be shared, and then the wear on the bottom of the lateral circular link chain 2 can be reduced by the rotation of the roller 41, and the second limiting rod 5 can limit the roller 41 to prevent the roller 41 from falling off.

[0031] The side of the roller 41 away from the slide groove is fixedly connected to the limiting roller 42. The limiting roller 42 can prevent the transverse ring chain 2 from being unstable and causing separation when the conveying device is unstable. Therefore, the limiting roller 42 does not contact the transverse ring chain 2 on both sides, but when the transverse ring chain 2 is unstable, it contacts the limiting roller 42 to prevent the transverse ring chain 2 from separating.

[0032] A plurality of second balls 43 are equidistantly arranged on the outer ring of the roller 41, and the second balls 43 are arranged in the groove. The wear of the roller 41 can be avoided through the second balls 43, and a hollow groove 31 is provided at the bottom position of the second ball 43 located at the lower end of the groove. The hollow groove 31 can prevent the groove from being blocked by impurities and affecting the rolling of the second ball 43.

[0033] See also Figure 1The inner ring of the transverse round link chain 2 is clamped with a symmetrically arranged semicircular connecting ring 8, and the semicircular connecting ring 8 is connected and fixed to the scraper 7 by bolts. The scraper 7 is in contact with the surface of the conveyor belt. The semicircular connecting ring 8 can first ensure the stability of the scraper 7, and at the same time ensure the limit of the clamping of the inner ring of the longitudinal round link chain 1 and the inner ring of the transverse round link chain 2, so as to avoid the inner ring of the longitudinal round link chain 1 and the transverse round link chain 2 shaking too much and disengaging from the gear when the scraper conveyor is running, and the damaged scraper 7 can be quickly replaced by bolt connection to ensure stable conveying efficiency.

[0034] The above is an exemplary description of the present invention in combination with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as such non-substantial improvements are made by adopting the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A high-strength round-link chain twisting device for mining, characterized in that: It comprises a longitudinal round-link chain (1), the inner ring of the longitudinal round-link chain (1) is clamped with the inner ring of the transverse round-link chain (2), a base (3) is arranged at the lower end of the longitudinal round-link chain (1), the base (3) is connected and fixed to the surface of the scraper conveyor belt, a slide groove is arranged at the middle position of the top of the base (3), the slide groove is in sliding contact with the lower end of the longitudinal round-link chain (1), grooves are arranged at the two end positions of the top of the base (3), and the grooves are connected and fixed to the transverse compensation structure (4); Circular concave holes are symmetrically provided in the slide groove, and a first ball (61) is placed in the circular concave hole, and the first ball (61) is in contact with the lower end of the longitudinal round link chain (1); A first threaded hole is provided at the bottom of the base (3), the threaded hole is threadedly connected to a first limiting rod (62), and the top of the first limiting rod (62) is in contact with the outer ring of the first ball (61); A bull's eye bearing (621) is installed on the top of the first limiting rod (62), and the bull's eye bearing (621) is in contact with the first ball (61); The transverse compensation structure (4) comprises a roller (41), the outer ring of which contacts the bottom of the transverse round-link chain (2), the roller (41) being arranged in a groove, second threaded holes being provided on both sides of the groove, the second threaded holes being threadedly connected to the second limiting rod (5).

2. A high-strength round-link chain twisting device for mining according to claim 1, characterized in that: The side of the rotating roller (41) away from the sliding groove is fixedly connected to the limiting roller (42).

3. A high-strength round-link chain twisting device for mining according to claim 2, characterized in that: A plurality of second rolling balls (43) are arranged at equal intervals on the outer ring of the rotating roller (41), and the second rolling balls (43) are arranged in the groove.

4. A high-strength round-link chain twisting device for mining according to claim 3, characterized in that: A hollow groove (31) is formed on the base (3) at the bottom of the second rolling ball (43) at the lower end of the groove.

5. A high-strength round-link chain twisting device for mining according to claim 4, characterized in that: The inner ring of the transverse circular link chain (2) is clamped with a symmetrically arranged semicircular connecting ring (8), and the semicircular connecting ring (8) is connected and fixed to the scraper (7) by bolts, and the scraper (7) is in contact with the surface of the scraper conveyor belt.

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