CN113443339A

CN113443339A - Anti-tear decompression spout buffering bed

Info

Publication number: CN113443339A
Application number: CN202110870904.XA
Authority: CN
Inventors: 张永
Original assignee: Huainan Tianlida Industrial And Mining Accessories Co ltd
Current assignee: Huainan Tianlida Industrial And Mining Accessories Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2021-09-28

Abstract

The invention discloses an anti-tearing decompression sliding groove buffer bed, which comprises a chassis, wherein a second base is fixedly arranged in the middle of the top of the chassis, a main frame is fixedly arranged on one side of the top of the second base, buffer structures are arranged on two sides of the main frame, a plurality of support frames are fixedly arranged on two sides of the top of the main frame, a second buffer wheel is arranged between the two support frames, connecting frames are symmetrically arranged on two sides of the main frame, a first buffer wheel is arranged between each support frame and the corresponding connecting frame, when the first buffer wheel receives vibration, a first damper acts to provide restoring force for the connecting frames, so that the connecting frames drive the first buffer wheels to quickly return to the initial positions to achieve the effect of shock absorption and buffering, when the second buffer wheels receive vibration, the second damper receives extrusion force, pushes a movable block to move along the top of the first base by the restoring force of the second damper, and pushes a wedge-shaped block to move upwards, the vibration effect of the wedge-shaped block is balanced, the high-frequency vibration transmitted by the conveying belt is effectively reduced, and the service life of the buffer bed is prolonged.

Description

Anti-tear decompression spout buffering bed

Technical Field

The invention relates to the technical field of mining machinery, in particular to an anti-tear decompression sliding chute buffer bed.

Background

The buffering spout is exactly that buffering bed or buffering drags the bed, generally constitute by draw runner and support steel construction two parts (other accessories), the draw runner is vulcanized by natural wear-resisting rubber and forms, mainly used absorbs the impact force, reduce the wearing and tearing to the belt, bearing structure mainly plays the effect of bearing impact kinetic energy, common model has the fire retardance, common type, medium-sized, heavy and overweight type, present buffering bed all adopts the blotter to replace the running roller, the vibrations of material belt when the belt is transmitted have fully effectively been absorbed to the mainly good high elasticity special rubber layer of buffering strip of using, but the use buffering strip of one taste replaces the running roller and does not look the frictional resistance of buffering strip and also has its drawback.

The utility model discloses a mining belt feeder buffing bed that utility model patent publication is 201721453252.5, the on-line screen storage device comprises a base, the upper surface of base is equipped with main bed board, and the both sides surface of main bed board all articulates there is the side bed board, and the T-slot has been seted up to the lower surface of side bed board, and sliding connection has the slide bar in the T-slot, and oblique spout has all been seted up to the upper surface both sides of base, and sliding connection in oblique spout in the bottom of slide bar. This mining belt feeder buffering bed, the universality is high, can adjust inclination and width etc. of side bed board as required, moreover, the steam generator is simple in operation, high durability and convenient use, the use flexibility has been improved greatly, side bed board can slide through the slide bar and adjust inclination, the buffering strip is used for fully absorbing the impact force when the material falls effectively, the guard action has been played, the extension bed board passes through the inserted bar and the jack is connected with side bed board, can adjust the width of side bed board as required, be applicable to different material cushions, the universality is improved, above-mentioned buffering bed only has the bradyseism effect at its buffering strip, in the face of the high frequency vibrations of conveyer belt, the effect is not good, cause the inefficacy of whole device easily.

Disclosure of Invention

The invention aims to provide an anti-tear decompression sliding chute buffer bed, which achieves the following technical effects:

(1) the device adopts the buffer wheel with good damping effect and wear resistance to roll and connect with the belt, so as to reduce the contact friction force between the buffer wheel and the belt;

(2) a buffer structure is arranged in the buffer bed, so that high-frequency vibration transmitted by the conveyor belt is reduced.

The purpose of the invention can be realized by the following technical scheme: the utility model provides an anti-tear decompression spout buffering bed, includes the chassis, the top intermediate position fixed mounting on chassis has base two, top one side fixed mounting of base two has the body frame, buffer structure is installed to the both sides position of body frame, the equal fixed mounting in top both sides of body frame has a plurality of support frames, two install buffering wheel two between the support frame, the link is installed to the bilateral symmetry of body frame, install buffering wheel one between support frame and the link.

As a further scheme of the invention: the main frame comprises a U-shaped frame, a first lifting lug is fixedly mounted in the middle of the outer side of the U-shaped frame, and a second lifting lug is fixedly mounted at the edge of the top of the U-shaped frame.

As a further scheme of the invention: the buffer structure comprises a damper I, a spring, a tripod, a connecting rod and a connecting seat, wherein the tripod comprises a base plate, connecting rings are fixedly connected to the upper end and the lower end of one side of the base plate respectively, a rotating shaft is rotatably connected to the two connecting rings, and the connecting rings can be rotatably connected with the first lifting lugs or the second lifting lugs through the rotating shafts.

As a further scheme of the invention: the end face of one side, far away from the rotating shaft, of the base plate is fixedly provided with a connecting rod, the end face of the outer side of the connecting rod is fixedly connected with a ball head, a connecting seat is fixedly arranged in the middle of one side of the connecting frame and at a position close to the edge of the bottom of the connecting frame, and the ball head is rotatably connected with the connecting seat.

As a further scheme of the invention: two turning positions of a side end face of the second base are rotatably connected with a first damper, a piston rod of the first damper is rotatably connected with one side of the upper side triangular frame, when a first buffer wheel 5 arranged on two sides of the spring between the first damper and the piston rod receives high-frequency vibration of the belt, the connecting frame can move downwards, and meanwhile, two connecting rods are transmitted by two connecting seats, so that the upper triangular frame and the lower triangular frame rotate along the first lifting lug and the second lifting lug respectively, the whole of the first buffer wheel has a downward movement trend, the first damper acts on the connecting frame at the moment, restoring force is provided for the connecting frame, the connecting frame drives the first buffer wheel to return to the initial position quickly, and the shock absorption and buffering effects are achieved.

As a further scheme of the invention: the upper portion and the lower part of link are the slope setting, buffer wheel one keeps parallel with the upper portion of link, be "V" shape between buffer wheel two and the two buffer wheel one and arrange, two the outside of support frame all rotates and is connected with the connecting axle, install buffer wheel one between connecting axle and the link.

As a further scheme of the invention: the support frame includes the fixing base, fixing base fixed mounting is at the top of "U" type frame, the top fixedly connected with base one of fixing base, one side fixed mounting on the inside top of base one has attenuator two, attenuator two is the level setting, fixed mounting has the movable block on the piston rod of attenuator two, sliding connection has the wedge on the opposite side inner wall of base one, looks butt between the inclined plane of wedge and the inclined plane of movable block, the wedge can slide from top to bottom between base one and movable block, the mounting hole has been seted up on the wedge, installs buffer pulley two in two mounting holes.

As a further scheme of the invention: the outer sides of the first buffer wheel and the second buffer wheel are sequentially wrapped with a buffer layer and a wear-resistant layer, wherein the buffer layer is a rubber composition and is prepared from the following raw materials: 60-90 parts of natural rubber, 10-40 parts of butadiene rubber, 30-70 parts of reinforcing agent, 1-3 parts of vulcanizing agent, 1-3 parts of accelerator, 3-7 parts of activator, 1-3 parts of stearic acid and 2-6 parts of anti-aging agent. The preparation method comprises the steps of preparation of rubber compound, molding, vulcanization, post-treatment and inspection.

As a further scheme of the invention: the buffer layer is characterized in that a wear-resistant layer is arranged outside the buffer layer, the wear-resistant layer is made of a high-chromium alloy wear-resistant layer, the thickness of the wear-resistant layer is 2-5mm, and the wear-resistant layer is made of the following raw materials: the high-chromium alloy wear-resistant layer comprises the following ingredients in percentage by weight: 2.6-3.0% of C, 0.6-0.8% of S i, 0.6-0.8% of Mn, 0-0.03% of S, 0-0.03% of P, 28.0-30.0% of Cr, 0.3-1.0% of Mo, 0.5-1.5% of Cu, 0.2-0.5% of B, and the balance of Fe.

As a further scheme of the invention: the second buffer wheels and the first buffer wheels are arranged in a staggered mode.

The invention has the beneficial effects that:

1. the buffer wheel II of top and the buffer wheel I of both sides provide effectual support for the conveyer belt, and simultaneously, the outside parcel in proper order of buffer wheel I and buffer wheel II has buffer layer and wearing layer, has buffering support and wear-resisting effect concurrently, and roll connection reduces the two indirect contact frictional force between buffer wheel and the belt.

2. When the buffering wheel one of both sides received the high frequency vibrations of belt, attenuator effect, provide the restoring force for the link, make the link drive buffering wheel one and get back to the initial position fast, reach the effect of shock attenuation buffering, when the high frequency vibrations of belt are received to buffering wheel two, attenuator two receives the extrusion force, promote the movable block along the top motion of base one with the restoring force of self, extrude the wedge, make the wedge upward movement, the vibrations effect of balanced wedge, buffer structure is all installed to the both sides of body frame, buffer structure only produces the bradyseism effect to the buffering wheel one of homonymy, buffer structure of both sides does not influence each other, the effectual high frequency vibrations that have reduced the conveyer belt transmission, the life of this buffering bed is improved.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a buffer structure according to the present invention;

FIG. 3 is a schematic structural view of the main frame of the present invention;

FIG. 4 is a schematic view of the structure of the connecting frame of the present invention;

FIG. 5 is a schematic view of the tripod structure of the present invention;

fig. 6 is a schematic structural diagram of the support frame of the present invention.

In the figure: 1. a chassis; 2. a buffer structure; 201. a first damper; 202. a spring; 203. a tripod; 2031. a connecting ring; 2032. a rotating shaft; 2033. a ball head; 2034. a connecting rod; 2035. a substrate; 204. a connecting rod; 205. a connecting seat; 3. a main frame; 301. a U-shaped frame; 302. a first lifting lug; 303. a reinforcing block; 304. a second lifting lug; 4. a connecting frame; 5. a first buffer wheel; 6. a connecting shaft; 7. a support frame; 701. a fixed seat; 702. a first base; 703. mounting holes; 704. a wedge block; 705. a movable block; 706. a second damper; 8. a second base; 9. and a second buffer wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the invention relates to an anti-tear decompression sliding chute buffer bed, which comprises a chassis 1, wherein two sides of the chassis 1 are groove-shaped, so that dropped coal cinder can be effectively collected, and a production environment is improved, a second base 8 is fixedly arranged at the middle position of the top of the chassis 1, a main frame 3 is fixedly arranged on one side of the top of the second base 8, buffer structures 2 are arranged at two sides of the main frame 3, a plurality of support frames 7 are fixedly arranged at two sides of the top of the main frame 3, a second buffer wheel 9 is arranged between the two support frames 7, connecting frames 4 are symmetrically arranged at two sides of the main frame 3, first buffer wheels 5 are arranged between the support frames 7 and the connecting frames 4, and the second buffer wheels 9 and the first buffer wheels 5 are arranged in a staggered manner.

The main frame 3 comprises a U-shaped frame 301, a first lifting lug 302 is fixedly mounted in the middle of the outer side of the U-shaped frame 301, and a second lifting lug 304 is fixedly mounted at the edge of the top of the U-shaped frame 301.

The buffer structure 2 comprises a first damper 201, a spring 202, a tripod 203, a connecting rod 204 and connecting seats 205, wherein the tripod 203 comprises a base plate 2035, the upper end and the lower end of one side of the base plate 2035 are fixedly connected with connecting rings 2031, two connecting rings 2031 are rotatably connected with a rotating shaft 2032, the connecting rings 2031 can be rotatably connected with a first lifting lug 302 or a second lifting lug 304 through the rotating shaft 2032, when the first buffer wheels 5 on two sides receive high-frequency vibration of a belt, the connecting frame 4 can displace downwards, and meanwhile, the two connecting seats 205 transmit the displacement to the two connecting rods 204, so that the upper tripod 203 and the lower tripod 203 respectively rotate along the first lifting lug 302 and the second lifting lug 304, the whole of the first buffer wheel 5 tends to move downwards, at the moment, the first damper 201 acts to provide restoring force for the connecting frame 4, and the connecting frame 4 drives the first buffer wheel 5 to quickly return to the initial position.

A connecting rod 2034 is fixedly mounted on the end face of the base plate 2035 on the side far away from the rotating shaft 2032, a ball head 2033 is fixedly connected to the end face of the outer side of the connecting rod 2034, a connecting seat 205 is fixedly mounted in the middle of one side of the connecting frame 4 and at the position close to the bottom edge, and the ball head 2033 is rotatably connected with the connecting seat 205.

Two corner positions of one side end face of the second base 8 are rotatably connected with a first damper 201, a piston rod of the first damper 201 is rotatably connected with one side of the upper side tripod 203, and a spring 202 is installed between the base of the first damper 201 and the piston rod.

The upper portion and the lower part of link 4 are the slope setting, buffer wheel 5 keeps parallel with the upper portion of link 4, be "V" shape between buffer wheel two 9 and two buffer wheel 5 and arrange, two the outside of support frame 7 all rotates and is connected with connecting axle 6, install buffer wheel 5 between connecting axle 6 and link 4.

The supporting frame 7 comprises a fixed seat 701, the fixed seat 701 is fixedly installed at the top of the U-shaped frame 301, a first base 702 is fixedly connected to the top of the fixed seat 701, a second damper 706 is fixedly installed on one side of the top end of the first base 702, the second damper 706 is horizontally arranged, a movable block 705 is fixedly installed on a piston rod of the second damper 706, a wedge block 704 is connected to the inner wall of the other side of the first base 702 in a sliding mode, the inclined plane of the wedge block 704 is abutted to the inclined plane of the movable block 705, the wedge block 704 can slide between the first base 702 and the movable block 705 up and down, an installation hole 703 is formed in the wedge block 704, a second buffer wheel 9 is installed in the two installation holes 703, when the second buffer wheel 9 receives high-frequency vibration of a belt, the second buffer wheel 9 can absorb a part of the self, and transmit the residual vibration to the wedge blocks 704 on two sides simultaneously, wedge block 704 is vibrated and then moves downwards between the side edge of first base 702 and movable block 705, at the moment, second damper 706 is subjected to extrusion force, the restoring force of second damper pushes movable block 705 to move along the top of first base 702, wedge block 704 is extruded, and wedge block 704 moves upwards to balance the vibration effect of wedge block 704, and reinforcing block 303 is installed between "U" shaped frame 301 and second lifting lug 304.

Buffer wheel two 9 of top and the buffer wheel 5 of both sides provide effectual support for the conveyer belt, and simultaneously, the outside parcel in proper order of buffer wheel 5 and buffer wheel two 9 has buffer layer and wearing layer, has buffer support and wear-resisting effect wherein the buffer layer is a rubber composition concurrently, and this buffer layer is made by following raw materials: 60-90 parts of natural rubber, 10-40 parts of butadiene rubber, 30-70 parts of reinforcing agent, 1-3 parts of vulcanizing agent, 1-3 parts of accelerator, 3-7 parts of activator, 1-3 parts of stearic acid and 2-6 parts of anti-aging agent.

The buffer layer is characterized in that a wear-resistant layer is arranged outside the buffer layer, the wear-resistant layer is made of a high-chromium alloy wear-resistant layer, the thickness of the wear-resistant layer is 2-5mm, and the wear-resistant layer is made of the following raw materials: the high-chromium alloy wear-resistant layer comprises the following ingredients in percentage by weight: 2.6-3.0% of C, 0.6-0.8% of S i, 0.6-0.8% of Mn, 0-0.03% of S, 0-0.03% of P, 28.0-30.0% of Cr, 0.3-1.0% of Mo, 0.5-1.5% of Cu, 0.2-0.5% of B, and the balance of Fe.

The working principle of the invention is as follows:

the upper buffer wheel II 9 and the buffer wheels I5 on the two sides provide effective support for the conveyor belt, and meanwhile, the buffer layers and the wear-resistant layers are sequentially wrapped on the outer sides of the buffer wheels I5 and the buffer wheels II 9, so that the buffer support and wear-resistant effects are achieved;

when the buffer wheel I5 on two sides receives high-frequency vibration of the belt, the connecting frame 4 can move downwards, and the two connecting rods 204 are transmitted to the connecting frame by the two connecting seats 205, so that the upper triangular frame 203 and the lower triangular frame 203 rotate along the first lifting lug 302 and the second lifting lug 304 respectively, the whole buffer wheel I5 has a downward movement trend, the damper I201 acts at the moment, restoring force is provided for the connecting frame 4, the connecting frame 4 drives the buffer wheel I5 to quickly return to the initial position, and the damping and buffering effects are achieved.

When the second buffer wheel 9 receives high-frequency vibration of the belt, the second buffer wheel 9 can absorb a part of the vibration and transmit the rest vibration to the wedge-shaped blocks 704 on two sides, the wedge-shaped blocks 704 move downwards along the side edge of the first base 702 and the movable blocks 705 after being vibrated, at the moment, the second damper 706 is extruded by extrusion force, restoring force of the second damper pushes the movable blocks 705 to move along the top of the first base 702, the wedge-shaped blocks 704 are extruded, the wedge-shaped blocks 704 move upwards, and the vibration effect of the wedge-shaped blocks 704 is balanced.

Buffer structure 2 is all installed to the both sides of body frame 3, and buffer structure 2 only produces bradyseism effect to the buffering wheel 5 of homonymy, and buffer structure 2 of both sides do not influence each other.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. The utility model provides an anti-tear decompression spout buffering bed, includes chassis (1), the top intermediate position fixed mounting of chassis (1) has base two (8), its characterized in that, top one side fixed mounting of base two (8) has body frame (3), buffer structure (2) are installed to the both sides position of body frame (3), the equal fixed mounting in top both sides of body frame (3) has a plurality of support frames (7), two install between support frame (7) and cushion wheel two (9), link (4) are installed to the bilateral symmetry of body frame (3), install between support frame (7) and link (4) and cushion wheel one (5).

2. The anti-tear decompression chute buffer bed as claimed in claim 1, wherein the main frame (3) comprises a U-shaped frame (301), a first lifting lug (302) is fixedly installed at the middle position of the outer side of the U-shaped frame (301), and a second lifting lug (304) is fixedly installed at the top edge position of the U-shaped frame (301).

3. The anti-tear decompression chute buffer bed according to claim 1, wherein the buffer structure (2) comprises a first damper (201), a spring (202), a tripod (203), a connecting rod (204) and a connecting seat (205), wherein the tripod (203) comprises a base plate (2035), the upper end and the lower end of one side of the base plate (2035) are fixedly connected with a connecting ring (2031), a rotating shaft (2032) is rotatably connected in the two connecting rings (2031), and the connecting ring (2031) is rotatably connected with the first lifting lug (302) and the second lifting lug (304) through the rotating shaft (2032).

4. The anti-tear decompression chute buffer bed according to claim 3, wherein a connecting rod (2034) is fixedly mounted on an end surface of the base plate (2035) far away from the rotating shaft (2032), a ball head (2033) is fixedly connected to an end surface of the connecting rod (2034) on the outer side, a connecting seat (205) is fixedly mounted in the middle of one side of the connecting frame (4) and at a position close to the bottom edge, and the ball head (2033) is rotatably connected with the connecting seat (205).

5. The anti-tearing decompression chute buffer bed as claimed in claim 3, wherein a first damper (201) is rotatably connected to two corner positions of one side end face of the second base (8), a piston rod of the first damper (201) is rotatably connected to one side of the upper side tripod (203), and a spring (202) is installed between the base and the piston rod of the first damper (201).

6. The anti-tear decompression chute buffer bed according to claim 5, wherein the upper portion and the lower portion of the connecting frame (4) are obliquely arranged, the first buffer wheels (5) are parallel to the upper portion of the connecting frame (4), the second buffer wheels (9) and the first buffer wheels (5) are arranged in a V shape, the outer sides of the two support frames (7) are rotatably connected with the connecting shaft (6), and the first buffer wheels (5) are installed between the connecting shaft (6) and the connecting frame (4).

7. The anti-tear decompression chute buffer bed as claimed in claim 1, wherein the support frame (7) comprises a fixed base (701), the fixed base (701) is fixedly installed at the top of the U-shaped frame (301), a first base (702) is fixedly connected to the top of the fixed base (701), a second damper (706) is fixedly installed at one side of the top end of the first base (702), the second damper (706) is horizontally arranged, a movable block (705) is fixedly installed on a piston rod of the second damper (706), a wedge block (704) is slidably connected to the inner wall of the other side of the first base (702), the inclined surface of the wedge block (704) is abutted to the inclined surface of the movable block (705), the wedge block (704) can slide up and down between the first base (702) and the movable block (705), and a mounting hole (703) is formed in the wedge block (704), a second buffer wheel (9) is arranged in the two mounting holes (703).

8. The anti-tearing decompression chute buffer bed as claimed in claim 1, wherein the buffer layer and the wear-resistant layer are sequentially wrapped on the outer sides of the first buffer wheel (5) and the second buffer wheel (9).

9. The anti-tear decompression chute buffer bed as claimed in claim 8, wherein a wear layer is arranged outside the buffer layer, the thickness of the wear layer is 2-5mm, and the wear layer is made of high chromium alloy.

10. The tear-resistant relief chute buffer bed of claim 1 wherein the second buffer wheel (9) and the first buffer wheel (5) are staggered.