CN220906284U - Lever type conveyor belt cleaner - Google Patents

Abstract

The utility model discloses a lever type conveyor belt cleaner, which relates to the technical field of conveyor belt cleaners, and specifically comprises two lever arms, wherein the front ends of main arms of the two lever arms are connected through a shaft lever, a connecting assembly is connected between the middle parts of the two lever arms, and the two ends of the connecting assembly are fixedly arranged on a mounting frame; the shaft lever is provided with a scraping component, and an angle adjusting mechanism is arranged between the scraping component and the front end of the lever arm; a counterweight component is arranged between the tail ends of the two lever arms. The main structure of the utility model is shown in a lever form, the distance between the pivot and the lever arm can be adjusted in a front-back adaptability way according to the actual installation and use requirements, the practicality of the device can be improved by combining the designed angle adjusting mechanism, and the tail ends of the two lever arms are movably connected by adopting the counterweight component, so that the scraping component can be ensured to be uniformly stressed when being contacted with the working surface of the conveyor, and meanwhile, the later counterweight adjusting operation is also convenient.

Description

Lever type conveyor belt cleaner

Technical Field

The utility model relates to the technical field of conveyor belt sweepers, in particular to a lever type conveyor belt sweeper.

Background

The belt cleaner is used as an important structure for cleaning the surface adhesion object of the belt working surface, the cleaning effect is determined by the combination tightness degree of the belt working surface and the belt working surface in the working process, at present, the belt cleaner mainly utilizes the spring tension to enable the scraping plate to be attached to the surface of the belt, however, because the belt cleaner is widely applied, the spring cleaner is easily influenced by external environment, rust or weakening of the spring in the long-term use process, abrasion of the scraping plate and the like can cause insufficient spring tension at the later stage, the scraping plate can not be ensured to be always kept in a relatively stable attaching state with the belt working surface, so that the cleaning effect of the belt working surface can be influenced, and the spring tension of the cleaner needs to be calibrated or maintained regularly.

To this end, we propose a lever conveyor belt sweeper.

Disclosure of utility model

The utility model aims to provide a lever type conveyor belt cleaner, which is used for solving the problems in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

A lever type conveyor belt cleaner comprises two lever arms and two mounting frames; the middle parts of the main arms of the two lever arms are provided with adjusting holes at positions close to the front ends, the front ends of the main arms of the two lever arms are fixedly connected through cylindrical shafts, a connecting assembly is connected between the middle parts of the two lever arms, and the two ends of the connecting assembly are fixedly arranged on the mounting frame; the shaft lever is provided with a scraping assembly, and an angle adjusting mechanism is arranged between the scraping assembly and the front end of the lever arm; a counterweight component is arranged between the tail ends of the two lever arms.

Further, the connecting assembly comprises a connecting arm and two connecting seats A, wherein the two connecting seats A are composed of a positioning seat, a positioning hoop, a locking bolt, a bearing and a connecting shaft; the two positioning seats on the connecting seat A are arranged in the adjusting holes, the positioning anchor ear is fixed at the top of the positioning seat and wraps the main arm on one side of the adjusting hole, the locking bolt is screwed on the positioning anchor ear in a threaded manner, the bottom end of the locking bolt is abutted against the surface of the main arm of the lever arm, and the side face of the positioning anchor ear is fixedly connected with the end part of the connecting arm.

Furthermore, the bearing is in interference fit in a transverse round hole formed in the middle of the positioning seat, the connecting shaft is composed of a pin shaft and a mounting plate, the pin shaft is fixedly connected with the mounting plate, and the pin shaft is in interference fit on the inner side of the inner ring of the bearing.

Further, the mounting frame comprises link and mount pad, set up the mounting hole that is used for carrying out the assembly connection with the mounting panel on the connecting axle on the link, the mount pad is fixed at the link top.

Further, the scraping assembly comprises a cylindrical cutter seat, a scraper, a plurality of positioning blocks, a front positioning plate, an inserting rod and two pressing blocks; the knife holder is rotationally sleeved on the surface of the shaft rod, two ends of the knife holder are attached to the inner sides of the front ends of the two lever arms, the positioning blocks are fixed on the surface of the knife holder at equal intervals along the length direction of the knife holder through bolts, the front positioning plate is fixed on the knife holder through bolts, the scraper is arranged in a crack between the front positioning plate and the positioning blocks, a through hole is formed in the scraper, and the inserted rod is inserted into the through hole in the bottom of the scraper.

Further, both ends of inserted bar flush with the scraper both ends, the opening of rectangle has all been seted up to one side that the both ends of scraper are close to the locating plate before, two the briquetting is the joint respectively in the opening of two rectangles, the both ends of preceding locating plate correspond the position of two briquetting and respectively are equipped with a mounting bolt, the front end of mounting bolt passes preceding locating plate and briquetting back threaded connection in proper order at the prefabricated screw hole in inserted bar both ends.

Further, two angle adjusting mechanisms are respectively arranged at two ends of the scraping assembly, and each angle adjusting mechanism consists of a bracket, a connecting seat B, a supporting plate, a bent rod, a screw rod and two nuts; the support is fixed in the bottom of lever arm front end, connecting seat B fixes the tip surface at the blade holder, the backup pad is installed on tip one side of support through the horizontal rotation of pivot, the elbow pole is rotated on connecting seat B through the round pin axle, integrated into one piece between screw rod tip and the elbow pole, the screw rod slides and runs through the backup pad, and is located each screw thread on the screw rod of backup pad both sides and is equipped with a nut.

Further, the counterweight component consists of two suspension arms, a cross rod, a plurality of balancing weights A and B; the two end parts of the suspension arms are rotationally connected with the end parts of the two lever arms, the cross rod is fixedly arranged at the other ends of the two suspension arms, the balancing weights A are suspended at the middle parts of the cross rod through the hoisting frame, the balancing weights B are equally divided into two groups, and the two groups of balancing weights B are respectively sleeved on the cross rods at the two ends of the hoisting frame.

The beneficial effects are that:

According to the utility model, the mounting frame is used as a carrier to be connected with the frame of the conveyor, and the assembly design of the connecting component and the lever arm is matched, so that the whole main body structure of the sweeper is displayed in a lever form, the distance between the supporting point and the lever arm can be adjusted in a front-back adaptive manner according to the actual installation and use requirements, and the practicality of the device in installation and use can be improved by combining with the designed angle adjusting mechanism.

In addition, in the structural design of the whole sweeper, the front end of the main frame body forming the lever structure is fixedly connected with the connecting component through the shaft rod, the tail ends of the two lever arms on the main frame body are movably connected through the counterweight component, so that the two lever arms form the lever frame body of a frame, and meanwhile, the stressed counterweight is concentrated, the front end scraping component of the main frame body is uniformly stressed when being contacted with the working surface of the conveyor, and meanwhile, the later counterweight adjusting operation is convenient.

Drawings

FIG. 1 is a schematic diagram of a first embodiment of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a second schematic diagram of the structure of the present utility model;

FIG. 4 is a third schematic diagram of the structure of the present utility model;

FIG. 5 is a schematic view of the angle adjusting mechanism of the present utility model;

fig. 6 is a schematic structural view of a connecting assembly according to the present utility model.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the drawings is only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art. It should be noted that the description of these examples is for aiding in understanding the present utility model, but is not intended to limit the present utility model.

Examples:

As shown in fig. 1-4, the present embodiment provides a lever conveyor belt sweeper comprising two lever arms 1, and two mounting brackets 3; wherein the mounting frame 3 is a bridge for assembling and connecting the whole lever-type cleaner and the belt conveyor.

Because in daily life, the type and the model of band conveyer are more, the structure of its frame has the difference, in order to make the sweeper can be according to the actual installation demand, implement the regulation to the proportion between its power arm and the resistance arm, all open an regulation hole 102 in the main arm 101 middle part of two lever arms 1 and the position that is close to the front end, this regulation hole 102 is rectangular form design, and carry out fixed connection through cylindric axostylus axostyle 103 between the main arm 101 front end of two lever arms 1, make two lever arms 1 combine axostylus axostyle 103 initially to constitute a "pi" shape structure, assemble two lever arms 1 together, and in order to further improve the stability of "pi" shape structure, be connected with coupling assembling 2 between the middle part of two lever arms 1, wherein, coupling assembling 2 is as fulcrum and bearing structure in the whole lever sweeper, coupling assembling 2's both ends need carry out fixed mounting with mounting bracket 3.

As shown in fig. 3 to 4, in order to achieve the scraping effect of the belt conveyor, a scraping assembly 4 is mounted on the shaft lever 103, and the scraping assembly 4 includes a cylindrical cutter holder 401, a scraper 402, a plurality of positioning blocks 403, a front positioning plate 406, a plunger 405 and two pressing blocks 607.

The tool apron 401 is rotatably sleeved on the surface of the shaft lever 103, so that the whole scraping assembly 4 can rotate around the circumference of the shaft lever 103, and has an angle offset effect, so that the stability of the whole scraping assembly 4 is improved, the scraping assembly 4 is prevented from transversely sliding on the shaft lever 103, the two ends of the tool apron 401 are attached to the inner sides of the front ends of the two lever arms 1, and the tool apron 401 is transversely positioned.

Because the scraper 402 of the belt conveyor sweeper is generally made of resin materials, the scraper 402 is severely worn by long-time scraping treatment, and needs to be replaced periodically, and at least 6-10 bolts are needed for installing the scraper 402 at present, so that the time is long, and in order to facilitate the installation and the disassembly of the scraper 402, the installation structure of the scraper 402 needs to be simplified, and the specific scheme is as follows:

A plurality of positioning blocks 403 in the scraping assembly 4 are fixed on the surface of the tool apron 401 at equal intervals along the length direction of the tool apron 401 through bolts, and a front positioning plate 406 is fixed on the tool apron 401 through bolts, so that a slit which just can accommodate the base of the scraper 402 is formed between the front positioning plate 406 and the plurality of positioning blocks 403 which are arranged side by side (namely, after the scraper 402 is inserted into the slit, two sides of the scraper 402 are respectively attached to the fixed block and the front positioning plate 406), the scraper 402 is arranged in the slit between the front positioning plate 406 and the positioning blocks 403, meanwhile, for convenient installation, a through hole 404 is formed in the interior of the scraper 402, and an inserting rod 405 is inserted into the through hole 404 at the bottom of the scraper 402; wherein, the two ends of the inserted link 405 need keep flush with the two ends of the scraper 402, and, a rectangular opening is formed on one side of the two ends of the scraper 402 near the front positioning plate 406, two pressing blocks 607 are respectively clamped in the two rectangular openings, and then a mounting bolt is respectively arranged at the two ends of the front positioning plate 406 corresponding to the two pressing blocks 607, the front ends of the mounting bolts sequentially penetrate through the front positioning plate 406 and the pressing blocks 607 and then are in threaded connection with the prefabricated threaded holes at the two ends of the inserted link 405, so that the upper, lower, left and right directions of the scraper 402 in the crack are fixed in a positioning manner, and the scraper 402 only needs to be disassembled and assembled with the inserted link 405 in the process of installing or disassembling.

As shown in fig. 4-5, in order to further improve the practicability of the sweeper and enable the sweeper to adapt to different scenes and angle installation requirements, an angle adjusting mechanism 5 is arranged between the scraping assembly 4 and the front end of the lever arm 1, wherein two angle adjusting mechanisms 5 are respectively arranged at two ends of the scraping assembly 4, and each angle adjusting mechanism 5 consists of a bracket 501, a connecting seat B502, a supporting plate 503, a bent rod 504, a screw 505 and two nuts 506.

The bracket 501 is fixed at the bottom of the front end of the lever arm 1, the connecting seat B502 is fixed on the end surface of the tool holder 401, the supporting plate 503 is transversely rotatably installed on one side of the end of the bracket 501 through a rotating shaft, the elbow rod 504 is rotatably installed on the connecting seat B502 through a pin shaft, the end of the screw 505 and the elbow rod 504 are integrally formed, the screw 505 penetrates through the supporting plate 503 in a sliding manner, nuts 506 are respectively arranged on the screws 505 positioned on two sides of the supporting plate 503, when the angle of the scraper 402 is adjusted, the length of the screw 505 penetrating through the supporting plate 503 is adjusted by screwing the two nuts 506, and the tool holder 401 can be pulled to do circumferential angle deflection around the shaft 103 by means of the design of the elbow rod 504, so that the angle adjustment of the scraper 402 is realized.

In order to enable the scraper 402 in the scraping assembly 4 to be in contact with the working surface of the belt conveyor, the two ends are stressed uniformly, and meanwhile, in order to enable later-stage weight adjustment to be more convenient, the tail ends of the two lever arms 1 are connected through the weight assembly 6, and the specific design is as follows:

as shown in fig. 3-4, the counterweight assembly 6 consists of two suspension arms 601, a cross bar 602, a plurality of counterweights a604 and counterweights B605; the end parts of the two suspension arms 601 are rotationally connected with the end parts of the two lever arms 1, the cross rod 602 is fixedly arranged at the other ends of the two suspension arms 601, the plurality of balancing weights A604 are suspended at the middle part of the cross rod 602 through the suspension frame 603, the plurality of balancing weights B605 are equally divided into two groups, the two groups of balancing weights B605 are respectively sleeved on the cross rod 602 at the two ends of the suspension frame 603, wherein the total weight of the plurality of balancing weights B605 is a basic weight (the basic weight is determined according to the model of the sweeper, the weight is a quantitative weight, and the minimum weight requirement is required when the sweeper can work normally), and the number and the weight of the balancing weights A604 are optional balancing weights, and flexible weight adjustment is required according to the actual requirement of the sweeper.

As shown in fig. 3 and 6, in order to achieve the adjustment of the fulcrum position in the lever-type sweeper and the effective connection between the connecting assembly 2 and the two lever arms 1, the connecting assembly 2 comprises a connecting arm 202 and two connecting seats a201, wherein the two connecting seats a201 are composed of a positioning seat 211, a positioning hoop 212, a locking bolt 213, a bearing 214 and a connecting shaft 215; the positioning bases 211 on the two connection bases a201 are all disposed in the adjusting hole 102, and the positioning anchor ear 212 is fixed on the top of the positioning base 211 and wraps the main arm 101 on one side of the adjusting hole 102, which needs to be further described: the positioning hoop 212 and the positioning seat 211 are welded or fixed by bolts, the hoop structure formed between the positioning hoop 212 and the positioning seat 211 is matched with the structural size of part of the lever arm 1 of the hoop, and the locking bolt 213 is screwed on the positioning hoop 212, the bottom end of the locking bolt 213 is abutted against the surface of the main arm 101 of the lever arm 1, and the side surface of the positioning hoop 212 is fixedly connected with the end part of the connecting arm 202.

Meanwhile, in order to improve the flexibility of the whole sweeper lever structure, the bearing 214 is in interference fit in a transverse round hole formed in the middle of the positioning seat 211, the connecting shaft 215 is composed of a pin shaft and a mounting plate, the pin shaft is fixedly connected with the mounting plate, and the pin shaft is in interference fit on the inner side of the inner ring of the bearing 214.

In order to further improve the suitability of the sweeper for conveyors of different types of racks, the mounting frame 3 is designed in a split type assembly, specifically: the mounting frame 3 comprises a connecting frame 301 and a mounting seat 302, wherein the connecting frame 301 is provided with mounting holes for being assembled and connected with the mounting plate on the connecting shaft 215, and the mounting seat 302 is fixed at the top of the connecting frame 301, wherein the mounting holes are equidistantly arranged on the connecting frame 301, so that the height of the sweeper on the frame can be adjusted according to frames with different heights when the sweeper is mounted.

Finally, it should be noted that: the foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. A lever type conveyor belt cleaner comprises two lever arms (1) and two mounting frames (3); the device is characterized in that the main arms (101) of the two lever arms (1) are provided with adjusting holes (102), the front ends of the main arms (101) of the two lever arms (1) are connected through a shaft lever (103), a connecting component (2) is connected between the middle parts of the two lever arms (1), and two ends of the connecting component (2) are fixedly arranged on the mounting frame (3);

the scraping assembly (4) is arranged on the shaft lever (103), and an angle adjusting mechanism (5) is arranged between the scraping assembly (4) and the front end of the lever arm (1);

A counterweight component (6) is arranged between the tail ends of the two lever arms (1).

2. A lever conveyor belt cleaner as claimed in claim 1, characterized in that the connecting assembly (2) comprises a connecting arm (202) and two connecting seats a (201), both connecting seats a (201) being constituted by a positioning seat (211), a positioning anchor (212), a locking bolt (213), a bearing (214) and a connecting shaft (215);

The positioning bases (211) on the two connecting bases A (201) are arranged in the adjusting holes (102), the positioning anchor ear (212) is fixed at the top of the positioning base (211), the locking bolt (213) is arranged on the positioning anchor ear (212) in a threaded manner, and the side surface of the positioning anchor ear (212) is fixedly connected with the end part of the connecting arm (202);

The bearing (214) is in interference fit with a round hole in the middle of the positioning seat (211), and the pin shaft in the connecting shaft (215) is in interference fit with the inner side of the inner ring of the bearing (214).

3. A lever conveyor belt cleaner as claimed in claim 1, characterized in that the mounting frame (3) is composed of a connecting frame (301) and a mounting base (302), the connecting frame (301) is provided with a mounting hole for assembling with the connecting shaft (215), and the mounting base (302) is fixed on the top of the connecting frame (301).

4. A lever conveyor belt sweeper according to claim 1, characterized in that the scraping assembly (4) comprises a cylindrical blade holder (401), a scraper (402), a number of positioning blocks (403), a front positioning plate (406), a plunger (405) and two press blocks (607);

the utility model discloses a scraper blade, including blade holder (401), cutter bar (403), perforating (404) have been seted up to the inside of blade (402), a plurality of locating piece (403) are fixed on blade holder (401) surface along blade holder (401) length direction, preceding locating plate (406) then pass through bolt fastening on blade holder (401), scraper (402) set up in the crack between preceding locating plate (406) and locating piece (403), insert rod (405) insert in perforating (404) of scraper (402) bottom.

5. The lever type conveyor belt sweeper according to claim 4, wherein two ends of the insert rod (405) are flush with two ends of the scraper (402), one side of two ends of the scraper (402) is provided with a notch, two pressing blocks (607) are respectively clamped in the two notches, two positions of two ends of the front positioning plate (406) corresponding to the two pressing blocks (607) are respectively provided with a mounting bolt, and front ends of the mounting bolts sequentially penetrate through the front positioning plate (406) and the pressing blocks (607) and then are in threaded connection with threaded holes prefabricated in two ends of the insert rod (405).

6. A lever type conveyor belt cleaner as claimed in claim 1, wherein the angle adjusting mechanisms (5) are two and are respectively positioned at two ends of the scraping assembly (4), and the two angle adjusting mechanisms (5) are composed of a bracket (501), a connecting seat B (502), a supporting plate (503), an elbow rod (504), a screw rod (505) and two nuts (506);

The support (501) is fixed at the front end of the lever arm (1), the connecting seat B (502) is fixed on the end surface of the tool apron (401), the supporting plate (503) is transversely rotatably installed on one side of the end of the support (501) through a rotating shaft, the elbow rod (504) is rotatably arranged on the connecting seat B (502) through a pin shaft, the end of the screw rod (505) and the elbow rod (504) are integrally formed, the screw rod (505) penetrates through the supporting plate (503) in a sliding mode, and nuts (506) are assembled on threads on the screw rods (505) on two sides of the supporting plate (503).

7. A lever conveyor belt sweeper according to claim 1, characterized in that the counterweight assembly (6) consists of two booms (601), a cross bar (602) and a number of counterweights a (604) and B (605);

The two suspension arms (601) top ends are rotationally connected with the tail ends of the two lever arms (1), the cross rod (602) is fixedly arranged at the bottom ends of the two suspension arms (601), the balancing weights A (604) are suspended in the middle of the cross rod (602) through the hoisting frame (603), the balancing weights B (605) are equally divided into two groups, and the two groups of balancing weights B (605) are respectively sleeved on the cross rods (602) at the two ends of the hoisting frame (603).