CN219483401U - Reinforced vibrating screen beam - Google Patents

Abstract

The utility model discloses a reinforced vibrating screen beam, which particularly comprises a beam body and a flange arranged at the end part of the beam body, wherein a screen body bracket is arranged at the top of the beam body, and a reinforcing component is arranged at the bottom of the beam body. The beam body is reinforced by adopting the bottom reinforcing structure, the existing screening beam is generally arranged above the beam body, the arrangement direction is parallel to the section direction of the beam body, and the effect of fixing the screen is achieved, but the shearing resistance of the beam body cannot be effectively controlled by the mode, and the middle fracture phenomenon often occurs; the utility model discloses a lower part axial reinforcing treatment is then carried out in the roof beam body bottom to this application scheme, through reforming transform the back, can make the sieve roof beam under the vibration operating condition of high frequency, high load, keep sieve roof beam structure's stability, avoid appearing the circumstances of fracture, broken roof beam in the middle part of the sieve roof beam, the sieve roof beam has stronger durability, improves its antifatigue strength, extends to 8 to 12 months or even more with life.

Description

Reinforced vibrating screen beam

Technical Field

The utility model relates to the technical field of mineral separation screening equipment, in particular to a reinforced vibrating screen beam.

Background

The vibrating screen is a screening machine which is widely applied to the resource industry and is used for classifying, washing, dehydrating and removing medium of materials. The linear vibrating screen commonly used in mines has the advantages of high production efficiency, good grading effect, convenience in maintenance and the like. During operation, the dynamic performance of the vibrating screen directly affects screening efficiency and service life. The vibrating screen uses vibration motor excitation as a vibration source to make the material be thrown up on the screen mesh and move forward in a straight line, the material uniformly enters the feed inlet of the screening machine from the feeder, and oversize materials and undersize materials with a plurality of specifications are produced through the multi-layer screen mesh and are respectively discharged from respective outlets. The linear sieve has the advantages of stability, reliability, low consumption, low noise, long service life, stable vibration mode, high sieving efficiency and the like, is high-efficiency novel sieving equipment, and is widely applied to industries such as mines, coal, smelting, building materials, refractory materials, light industry, chemical industry and the like.

The structure and the theory of operation shale shaker mainly comprises drive arrangement, screen frame, vibration exciter, vibration damper and sieve etc. and the crossbeam of shale shaker is the main component part of screen frame, adopts cavity rectangle steel pipe processing to form, and the outside of crossbeam wraps has one deck rubber, can prevent effectively that the erosion of material, difficult wearing and tearing, can reduce the noise that the material strikeed simultaneously.

The screening factory of the superfine crushing section of the concave mountain concentrating mill adopts 9 straight screens to screen raw ores, about 13000 tons of raw ores are daily treated, undersize ores enter a ball mill through magnetic separation, and the oversize ores are conveyed to a high-pressure roller mill through a rubber belt conveyor to be crushed again. The linear screen is an important part in the mineral separation process of a mineral separation plant, and the screen beam is used as a main component of the linear screen, so that equipment is stopped and production is stopped due to middle beam breakage faults. The service cycle of the screening beams is basically 3-6 months under the working condition of a factory, 60 screening beams are required to be replaced in total in one year, the maintenance time of 180 hours is required to be consumed, the production is greatly influenced, meanwhile, the screening beam replacement technology is not strong, the screening beams are simple and time-consuming maintenance is realized, and in order to avoid the occurrence of the condition of delaying production, the screening beams are required to be improved.

Disclosure of Invention

The utility model aims to overcome the defects of the operation of the existing equipment, and provides a reinforced vibrating screen beam, which solves the problem of middle beam breakage of the existing linear screen, improves the service life of the equipment on the basis of ensuring the operation quality, can keep the stability of the screen beam structure under the vibration working condition of high frequency and high load after transformation, avoids the conditions of cracking and beam breakage in the middle of the screen beam, has stronger durability, improves the fatigue resistance, and prolongs the service life to 8 to 12 months or even longer.

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

a reinforced vibrating screen beam comprises a beam body and a flange arranged at the end part of the beam body, wherein a screen body bracket is arranged at the top of the beam body, and a reinforcing component is arranged at the bottom of the beam body.

The following improvements are made on the basis of the above embodiments, and the reinforcement assembly includes a T-shaped plate mounted to the bottom of the beam body.

The reinforcing component comprises an arch body arranged at the bottom of the beam body, the top side of the middle of the arch body is abutted to the bottom of the beam body, two ends of the arch body are respectively provided with an adjusting structure, each adjusting structure comprises a first supporting seat rotatably arranged at the bottom of the beam body and a second supporting seat rotatably arranged on the arch body, and an adjusting piece for adjusting the distance between the second supporting seat and the first supporting seat is arranged between the second supporting seat and the first supporting seat.

The support members are arranged symmetrically, and each support member comprises a body sleeved on the corresponding bow body and a support body in sliding fit with the outer side of the corresponding beam body.

The adjusting structure comprises a supporting seat III rotatably arranged at the position close to the two ends of the beam body, limiting parts are arranged at the two ends of the bow body, at least one group of steel wire ropes are connected at the two groups of limiting parts in a hooping mode, and connecting seats connected with the supporting seat three threads are respectively arranged at the two ends of the steel wire ropes.

The limiting part comprises an arc-shaped structure body, wherein the arc-shaped structure body is integrally formed at the bottom of the inner side or the bottom of the outer side of the arc-shaped body, and a groove which is matched with the corresponding steel wire rope is formed in the arc-shaped structure body.

The limiting part comprises a reinforcing body integrally formed on the inner side of the bow-shaped body, the bottom of the reinforcing body and the bottom of the bow-shaped body are integrally transited through an arc, the bow-shaped body and the reinforcing body are distributed in an arc-shaped structure, and the arc radius of the bow-shaped body is larger than that of the reinforcing body.

The improvement is made on the basis of the embodiment, wherein the steel wire rope is in sliding fit with a pressing structure for abutting the reinforcement body on the lower surface of the bow-shaped body.

The beam body is of a square tubular structure and is internally provided with a reinforcing part, the reinforcing part comprises two reinforcing bodies which are vertically symmetrically distributed, the two reinforcing bodies are distributed in an arch structure and are fixedly installed through connecting bodies, the middle parts of the reinforcing parts are respectively abutted to the upper wall and the lower wall of the inner side of the beam body, the opposite sides of the two reinforcing bodies are respectively provided with an integral stamping reinforcing part with a sunken middle part, and the opposite sides of the two integral stamping reinforcing parts are abutted.

Compared with the prior art, the utility model has the following beneficial effects: the beam body is reinforced by adopting the bottom reinforcing structure, the existing screening beam is generally arranged above the beam body, the arrangement direction is parallel to the section direction of the beam body, and the effect of fixing the screen is achieved, but the shearing resistance of the beam body cannot be effectively controlled by the mode, and the middle fracture phenomenon often occurs; the scheme of the application adopts the lower axial reinforcement treatment at the bottom of the beam body, so that the stress at the middle part and the positions close to the two ends of the beam body are relatively dispersed, and the phenomenon of middle fracture caused by stress concentration can not occur. The middle part of the beam body is reinforced in a plurality of modes, one type of beam body adopts a cambered plate, the two end parts of the cambered plate are applied with tensile force through the adjusting structures at the two ends, the top is abutted against the Liang Tixia part, the abutting strength of the top is properly improved through the two ends, and the shearing resistance of the middle part of the beam body is further ensured; the other is through wire rope's ability of pulling for the tip of reinforcement appears going upward, makes the top butt in the roof beam body bottom of reinforcement, also can realize above-mentioned effect, and still one kind is through wire rope drive pressure structure with the reinforcement butt upward on the reinforcement and make the reinforcement butt on the roof beam body, realizes above-mentioned effect simultaneously, and the effect can be more. The scheme is characterized in that structural improvement is made on the basis of the original screening beam so as to be convenient for long-term practicability of the linear screen suitable for the concave mountain concentrating mill of my department.

Drawings

FIG. 1 is a front view of the overall structure of an embodiment of the present utility model;

FIG. 2 is a front view of the overall structure of an embodiment of the present utility model;

FIG. 3 is a front view of the overall structure of an embodiment of the present utility model;

FIG. 4 is a front view of the overall structure of an embodiment of the present utility model;

FIG. 5 is a schematic view of the overall structure of an arcuate body in accordance with an embodiment of the present utility model;

FIG. 6 is a schematic view of the overall structure of an arcuate body in accordance with an embodiment of the present utility model;

FIG. 7 is a schematic view of the overall structure of an arcuate body in accordance with an embodiment of the present utility model;

FIG. 8 is a front view of the overall structure of an embodiment of the present utility model;

FIG. 9 is a side view of a beam according to an embodiment of the present utility model;

FIG. 10 is a schematic view of the overall structure of a reinforcement member according to an embodiment of the present utility model;

FIG. 11 is a schematic diagram showing the overall structure of a reinforcement member according to an embodiment of the present utility model.

In the figure: 10. a beam body; 20. a flange; 30. t-shaped plates; 40. an arcuate body; 41. a support; 411. a body; 412. a support body; 42. a limit part; 43. a wire rope; 44. a third supporting seat; 45. a connecting seat; 46. a reinforcement; 47. a pressing body; 48. a pressing structure; 50. a first supporting seat; 60. a second supporting seat; 70. an adjusting member; 80. a reinforcing member; 81. a reinforcement; 82. and an integral stamping reinforcing part.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1

As shown in FIG. 1, a reinforced vibrating screen beam comprises a beam body 10 and a flange 20 arranged at the end part of the beam body 10, wherein a screen body bracket is arranged at the top of the beam body 10, a reinforcing component is arranged at the bottom of the beam body, and the reinforcing component comprises a T-shaped plate 30 arranged at the bottom of the beam body 10. The T-shaped plate 30 is made of stainless steel plates with 1800mm upper bottom, 1500mm lower bottom, 150mm height and 20mm thickness, the stainless steel plates are welded at the bottom of the beam body 10, and the front and back surfaces of the plates are fixed by two groups of twelve reinforcing ribs. And the joints are welded by full-length welding, welding heat treatment is carried out, and encapsulation treatment with the thickness of 3-5mm is carried out on the surfaces of the steel plate and the beam body 10. The beam body 10 is arranged by adopting a tubular beam structure of the original screening beam. Through the T type roof beam structure that the axial was arranged in the roof beam body 10 bottom, after reforming, can make the sieve roof beam under the vibration operating condition of high frequency, high load, keep the stability of sieve roof beam structure, avoid appearing cracking, the condition of broken roof beam in the middle part of the sieve roof beam, the sieve roof beam has stronger durability, improves its antifatigue strength, prolongs life to 8 to 12 months even more.

In embodiment 2, as shown in fig. 8, unlike embodiment 1, a different reinforcing component is adopted, specifically, the reinforcing component includes a bow 40 mounted at the bottom of the beam 10, the top side of the middle of the bow 40 abuts against the bottom of the beam 10, an adjusting structure is mounted at both ends of the bow 40, the adjusting structure includes a first support seat 50 rotatably mounted at the bottom of the beam 10 and a second support seat 60 rotatably mounted on the bow 40, an adjusting member 70 for adjusting the distance between the first support seat 60 and the second support seat 50 is mounted between the second support seat 60, the adjusting member 70 preferably adopts a bidirectional threaded sleeve, the first support seat 50 and the second support seat 60 are mutually moved close to or away from each other by the bidirectional threaded sleeve (bidirectional threaded structure with two different rotation directions), the first support seat 50 and the second support seat 60 are mutually moved away from each other by the adjusting member 60, and both ends of the bow 40 are respectively moved toward the inner bottom, so as to abut the top of the bow 40 against the lower part of the beam 10, the beam 10 is easily and the beam 10 is supported near the middle position thereof, and the supporting strength is easily adjusted at the right time, so that the beam 10 is always in a relatively stable state.

In embodiment 3, as shown in fig. 8, the following modification is made on the basis of embodiment 2, wherein a plurality of groups of symmetrically arranged supporting members 41 are arranged on the bow 40, and the supporting members 41 comprise a body 411 sleeved on the bow 40 and a supporting body 412 in sliding fit with the outer side of the beam 10. After the adjusting structure adjusts the bow 40, the supporting body 412 of the supporting member 41 moves to a proper position, the body 411 is located at a certain point on the bow 40, and the body 411 is fixed at a certain point on the bow 40 through two clamping plates, so that the strengthening treatment of any shearing weak point position between the middle part and the end part of the body is realized, and the whole shearing resistance and the structural strength are improved.

Embodiment 4, as shown in fig. 2 to 7, is different from embodiment 2 in that an adjusting structure of different structural forms is adopted, specifically as follows: the adjusting structure comprises a third supporting seat 44 which is rotatably arranged at the position close to the two ends of the beam body 10, limiting parts 42 are respectively arranged at the two ends of the bow body 40, at least one group of steel wire ropes 43, preferably three groups of steel wire ropes are jointly hooped at the two groups of limiting parts 42, connecting seats 45 which are in threaded connection with the third supporting seat 44 are respectively arranged at the two ends of the steel wire ropes 43, the limiting parts 42 comprise arc-shaped structures, the arc-shaped structures are integrally formed at the inner bottom or the outer bottom of the bow body 40, preferably the inner bottom, and grooves which are matched with the corresponding steel wire ropes 43 are formed in the arc-shaped structures. The arch body 40 is subjected to adaptive treatment of the groove at the limit part 42 and the corresponding steel wire rope 43, then the top of the arch body is subjected to abutting treatment with the lower part of the beam body 10, after the abutting treatment, the arch body 40 is tensioned by the steel wire rope 43 in a threaded connection mode of the connecting seat 45 and the supporting seat III 44, and then the arch body 40 is abutted with the lower part of the beam body 10, so that the structural stability and reliability of the middle part of the beam body 10 are obviously improved. The upper side of the bow body 40 is provided with a pressing body 47 which is abutted against the bottom of the beam body 10, the pressing body 47 is arranged at a position close to the limiting part 42, when the steel wire rope 43 presses the limiting part 42 upwards, the pressing body 47 is abutted against the lower part of the beam body 10 upwards, the abutting point is positioned between the end part of the beam body 10 and the middle part of the bow body 40, the structural strength, the stability and the reliability between the two points are further improved, and the abutting action of the pressing body 47 is followed by the abutting action of the middle part of the bow body 40.

Embodiment 5, as shown in fig. 4 and fig. 7, unlike embodiment 4, the limit portion 42 with different structural forms is adopted, the limit portion 42 includes a reinforcement 46 integrally formed on the inner side of the arch body 40, the bottom of the reinforcement 46 and the bottom of the arch body 40 are integrally transited through an arc, the arch body 40 and the reinforcement 46 are both arranged in an arc structure, the arc radius of the arch body 40 is larger than that of the reinforcement 46, and the wire rope 43 is slidably fitted with a pressing structure 48 for abutting the reinforcement 46 on the lower surface of the arch body 40. Through the pulling of wire rope 43, make two limit parts 42 to both sides skew, and then go up the bow 40, make bow 40 possess simultaneously and be in higher holding power state to the roof beam body 10 lower part, and then the roof beam body 10 obtains effective support processing, wire rope 43 is by elasticity, make the pressure structure 48 carry out the processing of pushing up to reinforcing body 46, and then the butt is in the inboard bottom of bow 40, afterwards, along with bow 40 butt in the roof beam body 10 lower part, utilize reinforcing body 46 and bow 40 to carry out the processing of pushing up simultaneously, make the shearing/bending resistance that can greatly strengthen roof beam body 10, improve the structural stability and the reliability of roof beam body 10.

Embodiment 7, as shown in fig. 9 to 11, the following improvement is made on the basis of embodiment 1, the beam body 10 is of a square tubular structure and is internally provided with a reinforcing member 80, the reinforcing member 80 comprises two reinforcing members 81 which are vertically symmetrically distributed, the two reinforcing members 81 are distributed in an arch structure and are fixedly installed through connecting bodies, the middle parts of the reinforcing members 80 are respectively abutted on the upper wall and the lower wall of the inner side of the beam body 10, opposite sides of the two reinforcing members 81 are respectively provided with an integral stamping reinforcing part 82 with a sunken middle part, and opposite sides of the two integral stamping reinforcing parts 82 are abutted. The reinforcement 80 is inserted into the beam 10, the arch structure of the reinforcement 81 passing through the inner reinforcement 80 is abutted against the inner side wall, and the integral stamping reinforcement 82 on the arch structure can improve the shearing/bending resistance of the structure, so that the beam 10 can be applied for a long time.

The above description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto. The substitutions may be partial structures, devices, or method steps, or may be a complete solution. The technical proposal and the utility model concept are equivalent to or changed in accordance with the utility model, and the utility model is covered in the protection scope of the utility model.

Claims (8)

1. The reinforced vibrating screen beam is characterized by comprising a beam body (10) and a flange (20) arranged at the end part of the beam body (10), wherein a screen body bracket is arranged at the top of the beam body (10), and a reinforcing component is arranged at the bottom of the beam body;

the reinforcing component comprises an arch body (40) arranged at the bottom of the beam body (10), the top side of the middle part of the arch body (40) is abutted to the bottom of the beam body (10), and two ends of the arch body (40) are provided with an adjusting structure.

2. A reinforced vibrating screen girder according to claim 1, wherein the adjusting structure comprises a first supporting seat (50) rotatably mounted at the bottom of the girder body (10) and a second supporting seat (60) rotatably mounted on the arch body (40), and an adjusting member (70) for adjusting the distance between the second supporting seat (60) and the first supporting seat (50) is mounted between the second supporting seat and the first supporting seat.

3. A reinforced vibrating screen beam as claimed in claim 1, wherein a plurality of groups of symmetrically arranged supporting members (41) are arranged on the arch body (40), and the supporting members (41) comprise a body (411) sleeved on the arch body (40) and a supporting body (412) in sliding fit with the outer side of the beam body (10).

4. The reinforced vibrating screen beam according to claim 1, wherein the adjusting structure comprises a third supporting seat (44) rotatably mounted at positions close to two ends of the beam body (10), limiting portions (42) are respectively arranged at two ends of the bow-shaped body (40), at least one group of steel wire ropes (43) are jointly hooped at the two groups of limiting portions (42), and connecting seats (45) in threaded connection with the third supporting seat (44) are respectively mounted at two ends of the steel wire ropes (43).

5. The reinforced vibrating screen beam according to claim 4, wherein the limiting portion (42) comprises an arc-shaped structure body, the arc-shaped structure body is integrally formed at the inner bottom or the outer bottom of the arc-shaped body (40), and grooves adapted to the corresponding steel wire ropes (43) are formed in the arc-shaped structure body.

6. The reinforced vibrating screen beam according to claim 4, wherein the limiting portion (42) comprises a reinforcing body (46) integrally formed on the inner side of the arch body (40), the bottom of the reinforcing body (46) and the bottom of the arch body (40) are integrally transited through an arc, the arch body (40) and the reinforcing body (46) are both arranged in an arc structure, and the arc radius of the arch body (40) is larger than that of the reinforcing body (46).

7. A reinforced shaker screen beam as claimed in claim 5 wherein the wire rope (43) is slidably fitted with a pressure applying structure (48) which abuts the reinforcement (46) against the lower surface of the bow (40).

8. The reinforced vibrating screen beam according to claim 1, wherein the beam body (10) is of a square tubular structure and is internally provided with a reinforcing member (80), the reinforcing member (80) comprises two reinforcing members (81) which are distributed symmetrically up and down, the two reinforcing members (81) are distributed in an arch structure, the end parts of the reinforcing members are fixedly mounted through connecting bodies, the middle parts of the reinforcing members (80) are respectively abutted to the upper wall and the lower wall of the inner side of the beam body (10), the opposite sides of the two reinforcing members (81) are respectively provided with an integral stamping reinforcing part (82) with a sunken middle part, and the opposite sides of the two integral stamping reinforcing parts (82) are abutted.