Constant-pressure double combined type sweeper for mining conveying belt

Abstract

The utility model relates to a constant-pressure double combined type sweeper for a mining conveying belt, which is characterized in that a polyurethane scraper is clamped on a strip-shaped steel plate at the top of a scraper frame through a groove at the bottom of the polyurethane scraper; the left end and the right end of the scraper frame are connected with the left constant-pressure tensioning device and the right constant-pressure tensioning device respectively. The alloy scraper is installed on the alloy scraper rod, and the alloy scraper rod is installed on the alloy scraper U-shaped support. The alloy scraper U-shaped support is installed on the alloy scraper flexible rubber buffering module, the alloy scraper flexible rubber buffering module is installed on the scraper frame, and the energy accumulator is installed on the belt type conveying rack and connected with the left constant-pressure tensioning device and the right constant-pressure tensioning device through hydraulic rubber pipes. The sweeper is installed at the bottom of the straight section of the return stroke of the conveying belt. According to the utility model, the polyurethane scraper and the alloy scraper form a dual composite flexible scraper structure, so that the uneven belt surface can be cleaned, and the belt surface of the conveying belt can be prevented from being damaged through the dual composite flexible scraper structure; and the problem that adhered materials on the surface of the return conveying belt are difficult to remove can be thoroughly solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a conveyor of mine conveying belt, concretely relates to a constant pressure double compound sweeper for mine conveying belt. BACKGROUND

[0002] The mine conveyor transports material in block, powder, dry and wet mixed type. After the bearing rubber belt is unloaded, some residual material is left on the belt surface when returning, and after the first stage sweeper at the reversing drum, the second stage alloy sweeper is set in the return straight section according to the specification to remove the residual material on the conveying belt. Since the conventional sweeper scraper is in strip linear type, the uneven belt surface cannot be completely cleaned; the service life of the alloy scraper used for the belt surface is also greatly affected, based on this situation, the constant pressure double compound sweeper for mine conveying belt is provided. CONTENT OF UTILITY MODEL

[0003] The utility model discloses a kind of constant pressure double compound sweepers for mine conveying belt, the equipment does not need maintenance, does not need manual, does not need power supply, continuously keep constant pressure state, stable, high reliability;It is installed at the bottom of the return straight section of conveying belt, integrated installation, does not occupy effective use area;Polyurethane scraper and alloy scraper form double compound flexible scraper structure, both can clean uneven belt surface, and also can prevent belt surface of conveying belt from being damaged by double compound flexible scraper structure;It can also completely solve the problem that conveying belt surface is difficult to clean after carrying conveying belt is unloaded.

[0004] In order to achieve the above purpose, the utility model has the following technical scheme:

[0005] The utility model discloses a kind of constant pressure double compound sweepers for mine conveying belt, including left constant pressure tensioner, right constant pressure tensioner, polyurethane scraper, scraper holder, hydraulic rubber tube, energy accumulator, alloy scraper, alloy scraper rod, alloy scraper U-shaped support, alloy scraper flexible rubber buffer module, the polyurethane scraper bottom has recess, the scraper holder is made of square tube, and long strip steel plate is welded on top, polyurethane scraper is clamped on the long strip steel plate of the top of scraper holder by the recess of its bottom, and both sides are fixed with bolt;The left constant pressure tensioner and right constant pressure tensioner are connected respectively at the left and right ends of scraper holder;The alloy scraper is installed on alloy scraper rod, and alloy scraper rod is installed on alloy scraper U-shaped support;Alloy scraper U-shaped support is installed on alloy scraper flexible rubber buffer module, and alloy scraper flexible rubber buffer module is installed on scraper holder, the energy accumulator is installed on belt conveyor frame, and is connected with left constant pressure tensioner and right constant pressure tensioner respectively by hydraulic rubber tube;The sweeper is installed at the bottom of the return straight section of conveying belt.

[0006] The left constant pressure tensioning device includes: a C-shaped mounting base, a scraper holder fixing sleeve, two guide bolts, and a light-duty hydraulic cylinder. The C-shaped mounting base is made of rectangular steel plate with 90-degree bends at both ends and a rectangular hole in the middle. The scraper holder fixing holes are welded to both sides of the scraper holder end. The scraper holder passes through the rectangular hole in the middle of the C-shaped mounting base. The two guide bolts pass through the scraper holder fixing holes from top to bottom at the top of the C-shaped mounting base and are locked with nuts at the end of the C-shaped mounting base. The cylinder fixing shaft is welded to the bottom of the C-type mounting base. The tail end of the light-duty cylinder passes through the fixing shaft, and is limited by nuts on both sides without being locked. The piston rod of the light-duty cylinder passes through the end of the scraper frame and is locked with nuts on the top and bottom of the end of the scraper frame, forming a fixed connection between the piston rod of the light-duty cylinder and the end of the scraper frame. The movement of the piston rod of the light-duty cylinder drives the scraper frame to move, which can compensate for the extension and retraction of the polyurethane scraper and the alloy scraper. The left constant pressure tensioning device and the right constant pressure tensioning device have the same structure.

[0007] The alloy scraper flexible rubber buffer module includes an inner frame, a middle core, and four cylindrical rubber strips. The middle core is located inside the inner frame, and the four cylindrical rubber strips are respectively built into the four corners of the inner frame and inserted between the middle core and the inner frame.

[0008] Due to the adoption of the above technical solutions, the advantages of this utility model are as follows:

[0009] 1. Thorough cleaning without damaging the belt surface extends the service life of the conveyor belt and reduces the operating costs for the user.

[0010] 2. No maintenance, no manual labor, no power supply required; maintains constant voltage continuously, stable and highly reliable.

[0011] 4. The sweeper of this utility model is installed at the bottom of the straight section of the conveyor belt return, and is an integrated installation that does not occupy the effective usable area.

[0012] 5. The scraper structure is equipped with a tensioning component including a lightweight hydraulic cylinder, which can supplement the extension and retraction amount and adjust the gap between the scraper and the conveyor belt.

[0013] 6. The polyurethane scraper and the alloy scraper form a double composite flexible scraper structure, which can not only clean the uneven belt surface, but also prevent the conveyor belt surface from being damaged through the double composite flexible scraper structure; it can also completely solve the problem of the difficulty in removing the material stuck on the surface of the return conveyor belt after unloading the conveyor belt. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the front view of this utility model;

[0015] Figure 2 for Figure 1 An enlarged view of the left side;

[0016] Figure 3 For Figure 1 is an enlarged schematic view of the top view of the alloy scraper flexible rubber buffer module of the utility model;

[0017] Figure 4 is the installation schematic diagram of the utility model in use state;

[0018] Figure 5 is an enlarged schematic view of the front view of the alloy scraper flexible rubber buffer module of the utility model;

[0019] Figure 6 is an enlarged schematic view of the left view of the alloy scraper flexible rubber buffer module of the utility model;

[0020] Figure 7 is an enlarged schematic view of the inner frame of the alloy scraper flexible rubber buffer module of the utility model;

[0021] Figure 8 is an enlarged schematic view of the intermediate core of the alloy scraper flexible rubber buffer module of the utility model;

[0022] Figure 9 is an enlarged schematic view of the rubber strip of the alloy scraper flexible rubber buffer module of the utility model.

[0023] 1, left constant pressure tensioning device; 2, right constant pressure tensioning device; 3, polyurethane scraper; 4, scraper holder; 5, scraper holder fixing hole; 6, light oil cylinder; 7, guide bolt; 8, light oil cylinder fixing shaft; 9, hydraulic rubber pipe; 10, energy accumulator; 11, C-shaped mounting seat; 12, first alloy scraper; 13, second alloy scraper; 14, alloy scraper flexible rubber buffer module; 15, first alloy scraper rod; 16, light oil cylinder piston rod; 17, alloy scraper U-shaped support; 18, conveying belt; 19, roller; 20, inner frame; 21, intermediate core; 22, rubber strip; 23, conveying belt running direction; 24, intermediate core mounting hole; 25, second alloy scraper rod. DETAILED DESCRIPTION

[0024] The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0025] As Figures 1-8 shown:

[0026] The utility model discloses a constant pressure double compound type sweeper for mine conveying belt, including left constant pressure tensioner, right constant pressure tensioner, polyurethane scraper, scraper holder, hydraulic rubber pipe, energy accumulator, alloy scraper, alloy scraper pole, alloy scraper U type support, alloy scraper flexible rubber buffer module, the polyurethane scraper bottom has recess, the scraper holder is made of square tube, and the long strip steel plate is welded on the top, and the polyurethane scraper is clamped on the long strip steel plate of scraper holder top through the recess of its bottom, and both sides are fixed with bolt, the left constant pressure tensioner and right constant pressure tensioner are connected respectively with the left and right ends of scraper holder, the alloy scraper is installed on alloy scraper pole, and the alloy scraper pole is installed on alloy scraper U type support, the alloy scraper U type support is installed on alloy scraper flexible rubber buffer module, and the alloy scraper flexible rubber buffer module is installed on scraper holder, the energy accumulator is installed on the belt conveyor frame, and is connected with left constant pressure tensioner and right constant pressure tensioner respectively through hydraulic rubber pipe, the sweeper is installed at the bottom of conveying belt return straight section.

[0027] The left constant pressure tensioner includes C type mounting seat, scraper holder fixed sleeve, two branch guide bolts and light oil cylinder, wherein the C type mounting seat is made of rectangular steel plate, and the both ends are folded 90 degrees angle, and the middle part is provided with rectangular hole, the scraper holder fixed hole is welded on both sides of the end of scraper holder, the scraper holder passes through the rectangular hole in the middle part of C type mounting seat, the two branch guide bolts pass through the scraper holder fixed hole from top to bottom at the top end of C type mounting seat, and are locked with nuts after reaching the end of C type mounting seat, the light oil cylinder fixed shaft is welded at the bottom of C type mounting seat, the tail end of light oil cylinder penetrates into the light oil cylinder fixed shaft, and is limited with nuts on both sides without locking, the light oil cylinder piston rod passes through the end of scraper holder, and is locked with nuts on the top and bottom of the end of scraper holder, thereby forming the fixed connection between the light oil cylinder piston rod and the end of scraper holder, the movement of light oil cylinder piston rod drives the movement of scraper holder, and the expansion and contraction of polyurethane scraper and alloy scraper can be compensated, and the left constant pressure tensioner and right constant pressure tensioner are of same structure.

[0028] The alloy scraper flexible rubber buffer module includes inner frame, middle core and four cylindrical rubber strips, the middle core is located in the inner frame, and the four cylindrical rubber strips are respectively arranged in the four corners of the inner frame and are inserted between the middle core and the inner frame.

[0029] The utility model discloses a work process: the energy accumulator supplies oil to the light oil cylinder in left constant pressure tensioner and right constant pressure tensioner, provides the thrust, makes light oil cylinder piston rod move upwards, pushes scraper holder, drives scraper to stick to conveying belt surface all the time, keeps constant pressure, and the residual on conveying belt is scraped twice. The energy accumulator is provided with manual valve, can adjust the pressure size at any time, keeps the reasonable gap of alloy scraper and conveying belt surface, can prevent the excessive wear of alloy scraper and conveying belt, effectively prolongs the service life of both. The light oil cylinder is single channel plunger cylinder.

[0030] The alloy scraper comprises a first alloy scraper and a second alloy scraper; the first alloy scraper is connected with a first alloy scraper rod, and the first alloy scraper rod is installed on an alloy scraper U-shaped support; the second alloy scraper is connected with a second alloy scraper rod, and the second alloy scraper rod is installed on the alloy scraper U-shaped support; although the alloy scraper is a rigid cutter, the alloy scraper is connected with a flexible rubber buffer module through the alloy scraper rod; the flexible rubber buffer module can slow down the impact between the alloy scraper and the conveying belt, and prevent the belt surface of the conveying belt from being damaged.

[0031] Energy accumulator: Suzhou Drago or others; model: EHV32-330, but not limited to the product.

[0032] Light oil cylinder: Beijing Guanming; model: GM80.

[0033] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, other different forms of changes or changes can be made on the basis of the above description. Here, all the embodiments cannot be exhausted. Any obvious changes or changes derived from the technical scheme of the utility model still belong to the protection scope of the utility model.

Claims

1. A constant pressure dual-composite cleaner for mining conveyor belts, characterized in that: The system includes a left constant pressure tensioning device, a right constant pressure tensioning device, a polyurethane scraper, a scraper frame, hydraulic hoses, an accumulator, an alloy scraper, an alloy scraper rod, an alloy scraper U-shaped bracket, and an alloy scraper flexible rubber buffer module. The polyurethane scraper has a groove at its bottom. The scraper frame is made of square tubing with a long strip of steel plate welded to it. The polyurethane scraper is secured to the long strip of steel plate at the top of the scraper frame via its bottom groove and is fixed on both sides with bolts. The left and right ends of the scraper frame are connected to the left and right constant pressure tensioning devices, respectively. The alloy scraper is mounted on the alloy scraper rod, which is mounted on the alloy scraper U-shaped bracket. The alloy scraper U-shaped bracket is mounted on the alloy scraper flexible rubber buffer module, which is mounted on the scraper frame. The accumulator is mounted on the belt conveyor frame and connected to the left and right constant pressure tensioning devices via hydraulic hoses. The cleaner is installed at the bottom of the straight return section of the conveyor belt.

2. A constant pressure dual-composite cleaner for mining conveyor belts according to claim 1, characterized in that: The left constant pressure tensioning device includes: a C-shaped mounting base, a scraper holder fixing sleeve, two guide bolts, and a light-duty hydraulic cylinder. The C-shaped mounting base is made of rectangular steel plate with 90-degree bends at both ends and a rectangular hole in the middle. The scraper holder fixing holes are welded to both sides of the scraper holder end. The scraper holder passes through the rectangular hole in the middle of the C-shaped mounting base. The two guide bolts pass through the scraper holder fixing holes from top to bottom at the top of the C-shaped mounting base and are locked with nuts at the end of the C-shaped mounting base. The light-duty hydraulic cylinder... The cylinder fixing shaft is welded to the bottom of the C-type mounting base. The tail end of the light-duty hydraulic cylinder passes through the fixing shaft, and is limited by nuts on both sides without being locked. The piston rod of the light-duty hydraulic cylinder passes through the end of the scraper frame and is locked with nuts on the top and bottom of the end of the scraper frame, forming a fixed connection between the piston rod of the light-duty hydraulic cylinder and the end of the scraper frame. The movement of the piston rod of the light-duty hydraulic cylinder drives the scraper frame to move, which can compensate for the extension and retraction of the polyurethane scraper and the alloy scraper. The left constant pressure tensioning device and the right constant pressure tensioning device have the same structure.

3. A constant pressure dual-composite cleaner for mining conveyor belts according to claim 1, characterized in that: The alloy scraper flexible rubber buffer module includes an inner frame, a middle core, and four cylindrical rubber strips. The middle core is located inside the inner frame, and the four cylindrical rubber strips are respectively built into the four corners of the inner frame and inserted between the middle core and the inner frame.

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