Bucket lifting belt repairing structure

Abstract

This utility model relates to a repair structure for a bucket elevator conveyor belt, comprising a base belt, side guards, cross partitions, and fasteners. A side guard base is bonded to the top of the base belt. Corrugated side guards are symmetrically arranged on the side guard base, and cross partitions are provided between the side guards on both sides, so that adjacent cross partitions and side guards together form a bucket seat. An adhesive layer is provided between the base belt and the side guard base. Fasteners are fixed within the corrugated section of the side guard's skirt for repairing and connecting the side guard base to the base belt. This utility model has a simple structure and strong practicality, effectively solving the problems of belt bucket seat detachment and cracking from the base belt in existing large-angle corrugated side guard conveyor belt structures. It also provides high repair quality, reduces the failure rate, and effectively achieves cost reduction.

Description

Technical Field

[0001] This utility model relates to the field of belt conveyor technology, specifically to a bucket elevator belt repair structure. Background Technology

[0002] In the mining industry, steep-angle corrugated sidewall conveyor belts, as a key bucket elevator belt structure, are crucial equipment for handling bulk materials, especially suitable for conveying ore on steep slopes. This conveyor belt mainly consists of a base belt, sidewalls, and cross diaphragms (bucket seats). The sidewalls prevent material spillage, and the cross diaphragms support the material, forming a continuous conveying bucket shape that improves space utilization. However, under the harsh conditions of high-intensity, continuous operation in mining, the joint between the cross diaphragm bucket seat and the base belt is prone to detachment and cracking. The root cause is that during steep-angle operation, the material load generates a separation force perpendicular to the base belt. Combined with rubber aging, dynamic fatigue, and ore impact, this leads to combined stress and failure at the bonding interface at the bucket seat root. Taking Tieshan Mine as an example, such problems shorten the belt life to only 6 months, requiring reduced-load operation after 4 months of use, severely restricting production continuity, and incurring annual replacement costs as high as 360,000 yuan. Existing repair techniques, such as cold glue bonding, have poor interface fatigue resistance and are prone to repeated cracking. Nail repair only provides temporary reinforcement and damages the base layer. Neither can fundamentally solve the structural defects and instead exacerbates the risk of downtime.

[0003] Therefore, it is necessary to study a bucket elevator belt repair structure. Utility Model Content

[0004] Therefore, the purpose of this utility model is to provide a bucket elevator belt repair structure to solve the problems of belt bucket seat separation and cracking from the base belt in the existing large-angle corrugated sidewall conveyor belt structure.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a bucket elevator belt repair structure, comprising a base belt, side guards, cross partitions, and fasteners. The top of the base belt is bonded with a side guard base, and symmetrical corrugated side guards are provided on the side guard base. Cross partitions are provided between the side guards on both sides, so that adjacent cross partitions and side guards together form a bucket seat. An adhesive layer is provided between the base belt and the side guard base. Fasteners are fixed in the corrugated section of the side guard skirt for repairing and connecting the side guard base and the base belt. The fasteners include buckles, washers, and nuts. The buckles are inserted and connected to the side guard base and the base belt, and washers are fitted on the top of the buckles. Nuts are threaded onto the buckles so that the washers are pressed against the side guard base by tightening the nuts.

[0006] Furthermore, corresponding through holes are provided on the edge base and the base strip, and the through holes are used to assemble fasteners.

[0007] Furthermore, at least one fastener is provided within the corrugated section of the edge guard.

[0008] Furthermore, the bottom of the fastener is embedded in the bottom of the baseband and is flush with the bottom surface of the baseband.

[0009] Furthermore, the gasket is cone-shaped.

[0010] Furthermore, the adhesive and hardener are mixed and then applied to the space between the base tape and the edge base to form an adhesive layer.

[0011] Furthermore, it also includes auxiliary tools, which include a base plate, a stand, a clamping screw, and an adjusting screw. An L-shaped stand is fixed vertically on the base plate, and a slider is slidably mounted on the stand. The adjusting screw is threaded vertically onto the slider, and the clamping screw is threaded vertically onto the stand. A clamping block is fixed at the bottom of the clamping screw, and a rolling block is provided at the bottom of the adjusting screw. The structure of the rolling block is adapted to the waveform of the retaining edge.

[0012] Furthermore, the top of the upright frame has a slot along its length, and a guide rail is fixedly connected to the side wall of the upright frame along its length. The slider is guided and slidably mounted on the guide rail, and a guide rod is provided on the side of the top of the slider facing the slot. The guide rod is adapted to pass through the slot and drives the slider to slide back and forth along the guide rail, which can drive the rolling block at the bottom of the adjusting screw to roll the edge foundation.

[0013] The beneficial effects of the above technical solution are as follows: The bucket elevator belt repair structure provided by this utility model, through the design of the fastener, enables the head of the fastener to be embedded in the bottom of the base belt and flush with the bottom surface, avoiding the phenomenon of the base belt turning over when passing the idler roller due to the protrusion of the head of the traditional fastener. This fundamentally prevents the belt from tearing due to the concentrated force of the turning over, significantly extends the service life of the repaired belt, and reduces the risk of secondary damage.

[0014] During repair, a two-stage reinforcement system is implemented, which first bonds and then tightens to fill tiny gaps and prevent material dust from entering. Subsequent fasteners are further tightened by point fixing, combining the sealing of surface bonding with the tensile strength of point fastening, which greatly improves the overall connection strength of the repaired area, effectively resists material impact and the tensile force of belt operation, and reduces the probability of delamination and peeling after long-term use. This dual protection greatly improves the durability of the repair.

[0015] In addition, the auxiliary tool effectively solves the problems of uneven bonding and inaccurate positioning in traditional manual operations. By sliding the slider 85 along the guide rail, the adhesive layer can be repeatedly rolled and pressed in a bonding manner, which can not only remove air bubbles in the adhesive layer, but also make the adhesive evenly distributed on the contact surface between the base strip and the edge base, effectively avoiding wrinkles on the adhesive surface and improving the bonding quality. In addition, by tightly clamping the auxiliary tool on both sides of the area to be repaired, the repair accuracy is effectively guaranteed, while providing sufficient operating space to easily adapt to different crack locations and effectively improve repair efficiency. Attached Figure Description

[0016] Figure 1 This is one of the schematic diagrams of the appearance structure of this utility model; Figure 2 This is the second schematic diagram of the appearance structure of this utility model; Figure 3 This is a schematic diagram of the implementation structure of the fastener; Figure 4 A schematic diagram of the implementation structure of the auxiliary tool; Figure 5 This is a schematic diagram of the structure of this utility model in actual application.

[0017] Reference numerals: 1-base band, 2-edge guard, 3-edge guard base, 4-diaphragm, 5-fastener, 51-nail, 52-washer, 53-nut, 6-bucket base, 7-perforation, 8-auxiliary tool, 81-base plate, 82-stand, 83-slot hole, 84-pressing screw, 85-slider, 86-adjusting screw, 87-pressing block, 88-rolling block. Detailed Implementation

[0018] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments: Example 1: This example aims to provide a bucket elevator belt repair structure, mainly used to repair the delamination between the belt bucket seat and the base belt in a large-angle corrugated sidewall conveyor belt. Addressing the problems of short lifespan, high failure rate, and high maintenance cost of existing large-angle corrugated sidewall conveyor belts, this example provides a bucket elevator belt repair structure with a specially designed repair fastener. This fastener is used to tighten and repair the cracked area of ​​the belt, thereby effectively increasing the belt's service life, reducing the failure rate, and effectively achieving cost reduction.

[0019] In the specific implementation structure, such as Figure 1-3 As shown, a bucket elevator belt repair structure includes a base belt 1, side guards 2, cross partitions 4, and fasteners 5. The upper surface of the base belt 1 is provided with a side guard base 3. The side guards 2 with a wave-like structure are symmetrically arranged on the side guard base 3 along its length extension direction. Cross partitions 4 are provided between the side guards 2 on both sides. Thus, the adjacent cross partitions 4 at the front and rear and the side guards 2 on the left and right sides together form a bucket seat 6 for holding and transporting materials.

[0020] Since the crack is located between the base strip 1 and the retaining base 3, the fasteners 5 are evenly distributed within the corrugated section of the retaining 2's skirt, i.e., within the skirt corrugation of the retaining 2. Furthermore, the fastener 5 includes a snap fastener 51, a washer 52, and a nut 53. Through holes 7 are correspondingly provided on the retaining base 3 and the base strip 1. The head of the snap fastener 51 is embedded in the bottom of the base strip 1 and flush with the bottom surface of the base strip 1. The stud on the snap fastener 51 is adapted to pass through the through hole 7 into the skirt corrugation and is fitted with a conical... The washer 52 and nut 53 are threaded onto the stud of the fastener 51. The washer 52 is pressed against the sidewall base 3 by tightening the nut 53, thereby fastening the sidewall base 3 to the base belt 1. Since the fastener 51 is embedded in the base belt 1, it effectively prevents the base belt 1 from flipping over and tearing the belt when passing the idler roller. The nut is located inside the belt's skirt wave, so it does not affect the belt operation, does not interfere with external equipment, can be directly adapted to existing operating conditions, and ensures that transportation efficiency is not compromised.

[0021] Before installing the fastener 5 between the base strip 1 and the baffle base, an adhesive layer is applied between them. Specifically, the adhesive and hardener are mixed and applied between the base strip 1 and the baffle 2 to form an adhesive layer, which initially bonds the two together. Then, the fastener 5 is used to connect them to form a secondary reinforcement system, which effectively improves the repair effect.

[0022] Furthermore, such as Figure 4 and 5 As shown, to facilitate the firm bonding of the adhesive layer and the positioning and installation of the flange fastener 5, this embodiment also provides an auxiliary tool 8. The auxiliary tool 8 includes a base plate 81, a stand 82, a clamping screw 84, and an adjusting screw 86. Two L-shaped stands 82 are fixed vertically on the two base plates 81 respectively. The two stands 82 are fixedly connected to each other by a reinforcing rod to form a whole. The top of the stand 82 has a slot 83 along its length direction. The clamping screw 84 is located in front of the slot 83. The clamping screw 84 is vertically threaded onto the stand 82, and a columnar clamping block 87 is fixed at the bottom of the clamping screw 84. The clamping block 87 and the base plate 81 form an installation interval for placing the belt. Tightening the clamping screw 84 can press the clamping blocks 87 on both sides vertically downward onto the retaining base 3.

[0023] On the adjacent sidewalls of the two uprights 82, guide rails are fixed along the length of the slot 83. A slider 85 is slidably mounted on the guide rails, and a guide rod is connected to the top of the slider 85 facing the slot 83. The guide rod is adapted to pass through the slot 83. An adjusting screw 86 is connected to the slider 85 along a vertical thread. A corrugated rolling block 88 is rotatably connected to the bottom of the adjusting screws 86 on both sides. That is, the structure of the rolling block 88 is adapted to the structure of the sidewall 2. Turning the adjusting screw 86 will drive the rolling block 88 to move downwards to contact the sidewall base 3. Then, push the slider 85 to slide back and forth along the guide rail, so that the rolling block 88 can repeatedly roll the sidewall base 3.

[0024] After the adhesive layer is laid, the adhesion between the base belt 1 and the edge base 3 can be improved by using the rolling block 88. Based on the gap between the two base plates 81, it is convenient to perform the perforation 7 and fastener 5 installation operations on the base belt 1, which effectively improves the repair quality of the belt.

[0025] Working principle description: In practical application, the bucket elevator belt repair structure provided by this utility model first places a steel plate on the back of the belt, cleans the area where the bucket seat 6 separates from the base belt 1, and roughens it with a wire grinding wheel. Care should be taken not to burn the cover rubber during grinding, and the steel wire core of the belt should not be damaged. Then, remove the debris from the grinding process, and clean the ground area with solvent or aviation gasoline. Mix the adhesive and hardener in a certain proportion (wherein the adhesive is BD958 for belts, and the hardener of BD958 conveyor belt room temperature adhesive is its matching crosslinking agent, which is often used as a two-component cold vulcanizing adhesive; the hardener and BD958...). After the adhesive is mixed, it can be cured quickly at room temperature (this is existing technology and will not be elaborated here). Stir it well and apply it evenly to the upper and lower surfaces of the crack, i.e. the areas to be bonded. After it is completely dry, apply it evenly again. When the second coat is basically dry (slightly sticky to the touch), initially bond the base strip 1 and the edge base 3 together. Note that there should be no wrinkles on the bonding surface.

[0026] Then, the auxiliary tool 8 is clamped on the belt so that the adhesive part is located between the two base plates 81. A steel plate with a height adapted to the base plate 81 is inserted in the gap between the two base plates 81 as a support for the base belt 1. The position of the auxiliary tool 8 is adjusted to press the pressing block 87 into the bucket 6. Then, the adjusting screw 86 is driven so that the rolling block 88 is initially pressed on the side base 3. As the worker drives the slider 85 to slide back and forth, it drives the rolling block 88 to repeatedly roll and press the adhesive layer to improve the adhesion of the adhesive layer.

[0027] After the shape is formed, remove the steel plate between the two base plates 81, drill holes, and make 1-2 through holes 7 in each pleat according to the actual cracking situation. Then screw in the buckle 51 from the bottom of the base strip 1, tighten the nut 53 to fix it, and remove the auxiliary tool 8 after ensuring that the base strip 1 is firmly connected to the edge base 3.

[0028] The bucket elevator belt repair structure provided by this utility model is simple and practical, improves the service life of the belt, and extends the service life to more than 12 months according to actual experiments. It reduces the failure rate, ensures normal operation time and system efficiency, and significantly saves annual belt maintenance costs, effectively achieving cost reduction.

[0029] The embodiments of the present invention described above do not constitute a limitation on the scope of protection of the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A bucket elevator belt repair structure, characterized in that: Includes a base belt (1), a side guard (2), a cross partition (4), and fasteners (5). The top of the base belt (1) is bonded with a side guard base (3). The side guard base (3) is symmetrically provided with corrugated side guards (2). A cross partition is provided between the side guards (2) on both sides, so that the adjacent cross partitions (4) and the side guards (2) together form a bracket (6). An adhesive layer is provided between the base belt (1) and the side guard base (3). The side guard (2) is fixed in the corrugated section of the skirt. There is a fastener (5) for repairing and connecting the edge base (3) and the base strip (1). The fastener (5) includes a snap fastener (51), a washer (52) and a nut (53). The snap fastener (51) is connected to the edge base (3) and the base strip (1), and the washer (52) is fitted on the top of the snap fastener (51). The nut (53) is threaded onto the snap fastener (51) so that the washer (52) is pressed against the edge base (3) by tightening the nut (53).

2. The bucket elevator belt repair structure according to claim 1, characterized in that: Through holes (7) are provided on the upper and lower sides of the flange base (3) and the base strip (1), and the through holes (7) are used to assemble fasteners (51).

3. The bucket elevator belt repair structure according to claim 2, characterized in that: At least one fastener is provided within the corrugated section of the skirt edge of the guard.

4. The bucket elevator belt repair structure according to claim 2, characterized in that: The bottom of the fastener is embedded in the bottom of the baseband and is flush with the bottom surface of the baseband.

5. The bucket elevator belt repair structure according to claim 1, characterized in that: The gasket (52) is conical in shape.

6. The bucket elevator belt repair structure according to claim 1, characterized in that: The adhesive and hardener are mixed and then applied between the base tape and the edge base to form an adhesive layer.

7. The bucket elevator belt repair structure according to claim 1, characterized in that: It also includes auxiliary tools (8), which include a base plate (81), a stand (82), a clamping screw (84) and an adjusting screw (86). The base plate (81) is vertically fixed with L-shaped stands (82), and a slider (85) is slidably installed on the stands (82). The adjusting screw (86) is threadedly connected to the slider (85) along the vertical direction. The clamping screw (84) is threadedly connected to the stands (82) along the vertical direction, and a clamping block (87) is fixed at the bottom of the clamping screw (84). A rolling block (88) is connected to the bottom of the adjusting screw (86). The structure of the rolling block (88) is adapted to the waveform of the edge.

8. The bucket elevator belt repair structure according to claim 7, characterized in that: The top of the stand (82) has a slot (83) along the length direction. The side wall of the stand (82) is fixedly connected to a guide rail along the length direction. The slider (85) is guided and slidably mounted on the guide rail. The top of the slider (85) is provided with a guide rod on the side facing the slot (83). The guide rod is adapted to pass through the slot (83) and drives the slider (85) to slide back and forth along the guide rail. This can drive the rolling block (88) at the bottom of the adjusting screw (86) to roll the edge foundation.

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