Scraper locking device of coal mine scraper conveyor

Abstract

The utility model relates to the technical field of coal mine conveying, in particular to a coal mine scraper conveyor scraper anti-loosening device which comprises a plurality of scraper bodies, a conveying base plate, two transmission chains and a plurality of anti-loosening mechanisms, and the scraper bodies are fixedly connected with the corresponding transmission chains through short bolts respectively and located between the two transmission chains. The conveying base plates are fixedly connected with the corresponding transmission chains and located between the two transmission chains, the multiple scrapers are located on the outer walls of the conveying base plates correspondingly, the anti-loosening mechanisms comprise limiting pieces, multiple connecting blocks and fixing plates, and connecting grooves are formed in the upper end faces of the fixing plates. According to the anti-loosening mechanism, through combination of the limiting piece, the connecting block and the fixing plate, effective fixing and limiting of the scraper body are achieved, and loosening of the scraper in the working process is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mine conveying, especially relates to a coal mine scraper conveyor scraper anti-loose device. BACKGROUND

[0002] At present, scraper conveyor needs to be used in the process of coal mine transportation, and the scraper conveyor is a conveyor that uses scraper chain to tow and convey bulk materials in a groove, the FU type scraper conveyor in the prior art does not have a pretreatment mechanism when conveying coal mines, and due to irregular volume of coal mines, the scraper conveying is easily stuck during the conveying of large ore blocks.

[0003] The prior art patent CN218289206U discloses a coal mine scraper conveyor, which comprises a conveyor main body, the conveyor main body comprises a conveying box body, a transmission roller and a transmission chain, the prior art is provided with a pretreatment cylinder, a crushing roller and a motor, and the design is used in actual use, the pretreatment cylinder is connected below the feeding channel, the large ore blocks entering the inside of the feeding channel are pretreated, the phenomenon of sticking plate is avoided when the large ore blocks directly enter the inside of the conveyor main body, specifically, in the actual use process, the two crushing rollers are driven to rotate in opposite directions by the motor, when the ore blocks are put on the crushing rollers, the ore blocks that meet the small specifications will directly pass through the crushing rollers and enter the inside of the lower conveying box body for conveying, and the ore blocks that do not meet the large specifications will be crushed under the high-speed rotation of the crushing rollers, the crushed ore blocks are conveyed into the inside of the conveyor main body, and the smoothness of the conveyor main body conveying is improved.

[0004] However, in the prior art, the two ends of the scraper are connected with the chain through bolts, the middle and bottom of the scraper are in contact with the pad, and the connecting structure is arranged, so that the scraper is prone to looseness. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a coal mine scraper conveyor scraper anti-loose device, which aims to solve the technical problem that the two ends of the scraper are connected with the chain through bolts in the prior art, the middle and bottom of the scraper are in contact with the pad, and the connecting structure is arranged, so that the scraper is prone to looseness.

[0006] In order to achieve the above object, the utility model discloses a kind of coal mine scraper conveyer scraper anti-loose device, including multiple scraper bodies, conveying base plate, two transmission chains and multiple anti-loose mechanisms, multiple the scraper body is respectively fixedly connected with corresponding transmission chain by short bolt, and it is located between two transmission chains, the conveying base plate is fixedly connected with corresponding transmission chain, and it is located between two transmission chains, and multiple the scraper is respectively located the outer wall of conveying base plate, the anti-loose mechanism includes limiting piece, multiple connecting blocks and fixed plate, the upper end surface of the fixed plate has connecting groove, multiple the connecting block is respectively fixedly connected with corresponding scraper body, and it is located below the scraper body, multiple the connecting block is also respectively slidably connected with the fixed plate, and it is located in corresponding connecting groove, the limiting piece is arranged on the side of the fixed plate, and also resist corresponding connecting block, the fixed plate is fixedly connected with the conveying base plate, and it is located the outer wall of conveying base plate.

[0007] Among them, the limiting piece includes multiple limiting blocks, multiple screws and limiting plate, multiple the limiting block is respectively fixedly connected with the limiting plate, and it is located the end face of the limiting plate, the limiting plate is fixedly connected with the fixed plate by the screw, and it is located the side of the fixed plate, and multiple the limiting block is also respectively extended into corresponding connecting groove, and resist corresponding connecting block.

[0008] Among them, multiple the anti-loose mechanism is respectively arranged around the outer wall of the conveying base plate, and it is located between corresponding scraper body and the conveying base plate.

[0009] Among them, the connecting block and the connecting groove are all arranged in dovetail shape.

[0010] Among them, the fixed plate includes multiple long bolts and plate body, multiple the connecting groove is all located on the plate body, the plate body is fixedly connected with the conveying base plate by the long bolt, and it is located the outer wall of the conveying base plate, and the long bolt extends to the inner wall of the conveying base plate, the limiting plate is fixedly connected with the plate body by the screw, and it is located the side of the plate body.

[0011] The utility model relates a coal mine scraper conveyor scraper anti -loose device, including a plurality of scraper body, conveying base plate, two transmission chains and a plurality of anti -loose mechanism, a plurality of scraper body are fixedly connected through the short bolt with corresponding transmission chain respectively, and are located between two transmission chains, the conveying base plate is fixedly connected with corresponding transmission chain, and is located between two transmission chains, and a plurality of scraper are located the outer wall of conveying base plate, the anti -loose mechanism includes spacing piece, a plurality of connecting blocks and fixed plate, the upper end surface of fixed plate has the connecting groove, through the introduction a plurality of anti -loose mechanism, the stability of scraper has been enhanced obviously, the anti -loose mechanism passes through the combination of spacing piece, connecting block and fixed plate, realizes the effective fixation and spacing of scraper body, prevents the loosening of scraper in the working process, and in this way solves the technical problem that the both ends of scraper are connected with chain through bolt, and the middle and bottom of scraper are in contact with base plate, and the structure of being provided with the connection leads to the technical problem that the whole scraper is prone to loosening. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, and obviously, the following description drawings are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0013] Figure 1 It is the three-dimensional view of the utility model.

[0014] Figure 2 It is the front view of the utility model.

[0015] Figure 3 It is the Figure 2 sectional view of A-A line in it.

[0016] Figure 4 It is the Figure 3 local enlarged view of B in it.

[0017] Figure 5 It is the Figure 3 sectional view of C-C line in it.

[0018] Figure 6 It is the Figure 5 local enlarged view of D in it.

[0019] Figure 7 It is the Figure 5 sectional view of E-E line in it.

[0020] Figure 8 is the Figure 7 is a local enlarged view of F in the middle.

[0021] Figure 9 is a split schematic view of the anti-loose mechanism in the utility model.

[0022] 1 - scraper body, 2 - conveying cushion plate, 3 - transmission chain, 4 - short bolt, 5 - connecting block, 6 - fixed plate, 7 - connecting groove, 8 - limiting block, 9 - screw, 10 - limiting plate, 11 - long bolt, 12 - plate body. DETAILED DESCRIPTION

[0023] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as a limitation of the utility model.

[0024] Please refer to Figures 1-9 , the utility model provides a kind of coal mine scraper conveyor scraper anti-loose device, including multiple scraper body 1, conveying cushion plate 2, two transmission chains 3 and multiple anti-loose mechanisms, multiple the scraper body 1 is respectively fixedly connected with corresponding transmission chain 3 by short bolt 4, and it is located between two transmission chains 3, the conveying cushion plate 2 is fixedly connected with corresponding transmission chain 3, and it is located between two transmission chains 3, and multiple the scraper is respectively located the outer wall of conveying cushion plate 2, the anti-loose mechanism includes limiting piece, multiple connecting block 5 and fixed plate 6, the upper end surface of fixed plate 6 has connecting groove 7, multiple the connecting block 5 is respectively fixedly connected with corresponding scraper body 1, and it is located below the scraper body 1, multiple the connecting block 5 is also respectively slidably connected with fixed plate 6, and it is located in corresponding connecting groove 7, the limiting piece is arranged on the side of fixed plate 6, and it also supports corresponding connecting block 5, the fixed plate 6 is fixedly connected with conveying cushion plate 2, and it is located the outer wall of conveying cushion plate 2, by the combination of scraper body 1, conveying cushion plate 2 and transmission chain 3, and the addition of anti-loose mechanism, it jointly constitutes an efficient, stable conveying system, applicable to material conveying under harsh environment such as coal mine, then by introducing multiple anti-loose mechanisms, the stability and reliability of scraper on conveyor are significantly improved, and the failure and downtime caused by scraper loosening are reduced;The sliding connection design between connecting block 5 and fixed plate 6 effectively limits and prevents excessive movement.

[0025] The limiting piece comprises a plurality of limiting blocks 8, a plurality of screws 9 and a limiting plate 10, the plurality of limiting blocks 8 are fixedly connected with the limiting plate 10 respectively and located at the end face of the limiting plate 10, the limiting plate 10 is fixedly connected with the fixed plate 6 through the screws 9 and located at one side of the fixed plate 6, and the plurality of limiting blocks 8 also extend into the corresponding connecting grooves 7 respectively and abut against the corresponding connecting blocks 5, the combination of the limiting blocks 8, the screws 9 and the limiting plate 10 realizes effective limiting of the connecting blocks 5 and further enhances the stability of the scraper.

[0026] Secondly, a plurality of the anti-loosening mechanisms are arranged around the outer wall of the conveying base plate 2 and located between the corresponding scraper bodies 1 and the conveying base plate 2, and through this layout mode, the anti-loosening mechanisms can be uniformly distributed between the scraper bodies 1 and the conveying base plate 2, providing all-round support and fixation, improving the stability and carrying capacity of the entire conveying system and reducing the decrease of conveying efficiency and the increase of failure rate caused by loosening of the scraper.

[0027] Thirdly, the connecting blocks 5 and the connecting grooves 7 are both arranged in a dovetail shape, and through the dovetail-shaped design, the connecting blocks 5 can stably slide in the connecting grooves 7 and are not easy to fall off.

[0028] In addition, the fixed plate 6 comprises a plurality of long bolts 11 and a plate body 12, the plurality of connecting grooves 7 are located on the plate body 12, the plate body 12 is fixedly connected with the conveying base plate 2 through the long bolts 11 and located on the outer wall of the conveying base plate 2, and the long bolts 11 extend to the inner wall of the conveying base plate 2, the limiting plate 10 is fixedly connected with the plate body 12 through the screws 9 and located at one side of the plate body 12, the fixed plate 6 is fixedly connected with the conveying base plate 2 through the long bolts 11, ensuring the stability and reliability of the fixed plate 6, the connecting grooves 7 on the plate body 12 are designed to enable the connecting blocks 5 to smoothly slide and be limited by the limiting piece, thereby realizing effective fixation of the scraper bodies 1, and the long bolts 11 extend to the inner wall of the conveying base plate 2, further enhancing the connection strength between the fixed plate 6 and the conveying base plate 2.

[0029] When the utility model is used to prevent loosening and reinforce the scraper body 1, the fixed plate 6 is fixed on the outer wall of the conveying cushion plate 2 through the long bolt 11, and a plurality of the connecting blocks 5 are slid into the corresponding connecting grooves 7, and under the design of the swallow-tail shape, the stability of the scraper body 1 can be improved, so that the loosening of the scraper body 1 is avoided, then the limiting plate 10 is connected with the fixed plate 6 through the screw 9, the position of the limiting block 8 is adjusted, and it abuts against the corresponding connecting block 5, so that the technical problem that the scraper is easily loosened as a whole is solved in this way, because the two ends of the scraper are connected with the chain through the bolt, and the middle part and the bottom of the scraper abut against the cushion plate and are connected, so that the scraper is easily loosened as a whole.

[0030] The above disclosed is only a preferred embodiment of the utility model, and of course cannot limit the right scope of the utility model, and the person skilled in the art can understand that all or part of the processes of the above-mentioned embodiment are implemented, and the equivalent changes made according to the utility model claim still belong to the range covered by the utility model.

Claims

1. A coal mine scraper conveyor scraper anti-loosening device, comprising a plurality of scraper bodies, a conveying base plate and two drive chains, the plurality of scraper bodies are fixedly connected with the corresponding drive chains by short bolts and located between the two drive chains, the conveying base plate is fixedly connected with the corresponding drive chains and located between the two drive chains, and the plurality of scrapers are located on the outer wall of the conveying base plate, characterized in that, It also includes a plurality of anti-loosening mechanisms; The anti-loosening mechanism includes a limiting piece, a plurality of connecting blocks and a fixed plate, the upper end face of the fixed plate has a connecting groove, the plurality of connecting blocks are fixedly connected with the corresponding scraper bodies and located below the scraper bodies, the plurality of connecting blocks are also slidably connected with the fixed plate and located in the corresponding connecting grooves, the limiting piece is arranged on one side of the fixed plate and also abuts against the corresponding connecting block, and the fixed plate is fixedly connected with the conveying base plate and located on the outer wall of the conveying base plate.

2. The coal mine scraper conveyor scraper anti-loosening device according to claim 1, characterized in that, The limiting piece includes a plurality of limiting blocks, a plurality of screws and a limiting plate, the plurality of limiting blocks are fixedly connected with the limiting plate and located on the end face of the limiting plate, the limiting plate is fixedly connected with the fixed plate by the screws and located on one side of the fixed plate, and the plurality of limiting blocks also extend into the corresponding connecting grooves and abut against the corresponding connecting blocks.

3. The coal mine scraper conveyor scraper anti-loosening device according to claim 2, characterized in that, The plurality of anti-loosening mechanisms are arranged around the outer wall of the conveying base plate and located between the corresponding scraper bodies and the conveying base plate.

4. The coal mine scraper conveyor scraper anti-loosening device according to claim 3, characterized in that, The connecting block and the connecting groove are both arranged in dovetail shape.

5. The coal mine scraper conveyor scraper anti-loosening device according to claim 4, characterized in that, The fixed plate includes a plurality of long bolts and a plate body, the plurality of connecting grooves are located on the plate body, the plate body is fixedly connected with the conveying base plate by the long bolts and located on the outer wall of the conveying base plate, and the long bolts extend to the inner wall of the conveying base plate, and the limiting plate is fixedly connected with the plate body by the screws and located on one side of the plate body.

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