CN218760860U - Take plane sieve of bolt protection - Google Patents

Abstract

The utility model relates to a take plane sieve of bolt protection, comprising a base plate, fixedly connected with sieve plate layer on the bottom plate, the sieve material hole has been seted up on the sieve plate layer, sieve plate layer adopts ceramic material to make or paste the ceramic paster, thereby improve the wearability, can improve the life of sieve, still including setting up the mounting groove on the bottom plate, be provided with the rectangular hole that is used for through bolt in the mounting groove, can be through the bolt with bottom plate fixed connection on screening equipment, the fixed pin has been welded in the mounting groove in addition, sliding fit has the visor in the mounting groove, be provided with on the visor with fixed pin sliding fit's recess, and put the spring between visor and the mounting groove, can be through the spacing visor of the cooperation of recess with the fixed pin, thereby the protection bolt prevents that the bolt is worn and torn, moreover, the steam generator is simple in structure, and is worth promoting.

Description

Take plane sieve of bolt protection

Technical Field

The utility model belongs to the technical field of the screening part, especially, relate to a take plane sieve of bolt protection.

Background

In many industries, particularly in the coal and ore production industry, screening equipment is common engineering equipment, and a screen plate in the screening equipment plays a main screening role, so that at present, screen plates produced by different manufacturers are different, so that the screen plates have various types;

discover in the use, how to improve the ability of resistance to wears in the biggest problem that present sieve faced, when screening the material, hard material will be continuous scrapes the mill screen board, the material is heavier this phenomenon just more obvious more, thereby make the life-span greatly reduced of sieve, on the other hand, often need the polylith sieve to assemble in the large-scale screening slide, dismantle the change for the sieve of conveniently wearing and tearing, the fixed mode of sieve often adopts the bolt to fix, but this kind of mode also can cause the bolt to take place wearing and tearing, the efficiency of changing the sieve when making the screw thread of bolt destroyed seriously influence follow-up use.

SUMMERY OF THE UTILITY MODEL

In order to the above situation, the utility model aims at providing a take plane sieve of bolt protection has solved and has lacked the protection to fixing bolt in the current sieve for the bolt screw thread is worn and torn the problem of the change of seriously influence follow-up sieve.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the content part of the utility model is as follows: the plane sieve plate with the bolt protection comprises a bottom plate and is characterized in that a plurality of mounting grooves for fixing the bottom plate are formed in the bottom plate, a pair of fixing pins which are centrosymmetrically arranged are fixedly connected to the side walls of the mounting grooves, protective covers are matched in the mounting grooves in a sliding mode, grooves matched with the fixing pins in a sliding mode are formed in the protective covers, springs are arranged between the protective covers and the bottom surface of the mounting grooves, and the sieve plate fixedly connected to the bottom plate is further included;

the protective cover is made of wear-resistant steel or ceramic materials;

the groove is n-shaped, the diameter of the groove is matched with that of the fixing pin, and the protection cover is limited after the fixing pin slides into the set position of the groove to prevent the fixing pin from slipping;

the rotation angle range of the protective cover in the mounting groove is 5-180 degrees;

a long hole matched with the bolt is formed in the mounting groove;

the outer side wall of the protective cover is fixedly connected with a fixed block, and a through hole is formed in the fixed block;

rectangular screening holes are uniformly arranged on the screening plate layer at intervals;

the sieve plate layer is a rod sieve structure formed by arranging a plurality of sieve rods at intervals;

a ceramic patch is adhered on the sieve plate layer;

the sieve plate layer is made of wear-resistant materials;

the utility model has the advantages that:

1. the utility model comprises a bottom plate, a sieve plate layer is fixedly connected on the bottom plate, sieve holes are arranged on the sieve plate layer, and the sieve plate layer is made of ceramic material or is pasted with ceramic patches, thereby improving the wear resistance and prolonging the service life of the sieve plate;

2. the utility model discloses still including setting up the mounting groove on the bottom plate, be provided with the rectangular hole that is used for through bolt in the mounting groove, can be through the bolt with bottom plate fixed connection on screening equipment, the welding has the fixed pin in the mounting groove in addition, sliding fit has the visor in the mounting groove, be provided with on the protective cover with fixed pin sliding fit's recess, and put the spring between visor and the mounting cover, can be through the spacing visor of cooperation of recess and fixed pin, thereby the protective bolt prevents that the bolt from being worn and torn, moreover, the steam generator is simple in structure, and is worth promoting.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a partial structural view of the present invention.

Fig. 3 is a partial structural view ii of the present invention.

Fig. 4 is a structural view of the protective cover of the present invention.

In the figure, 1, a bottom plate; 2. mounting grooves; 3. a fixing pin; 4. a protective cover; 5. a groove; 6. a spring; 7. a screen layer; 8. a strip hole; 9. a fixed block; 10. and (4) screening holes.

Detailed Description

The following description of the present invention will be made in detail with reference to the accompanying drawings 1 to 4.

In the first embodiment, with reference to fig. 1-4, a planar sieve plate with bolt protection includes a bottom plate 1, the bottom plate 1 is made of steel, a sieve plate layer 7 is fixedly connected to the bottom plate 1, and is preset, the bottom plate 1 is of a frame structure, and long reinforcing ribs are welded to the bottom plate 1, so that the bottom plate 1 is ensured to have enough strength to support the sieve plate layer 7, and is preset, rectangular sieve holes 11 are uniformly arranged on the sieve plate layer 7 at intervals, and the size of the sieve holes 11 is set as required, so that a material smaller than the diameter of the sieve holes 11 will fall out of the sieve holes 11, and a material larger than the diameter of the sieve holes 11 will continue to roll off the sieve plate layer 7, thereby achieving the purpose of sieving the material according to the diameter, and being preset, in this embodiment, a ceramic patch is adhered to the sieve plate layer 7, so that the abrasion resistance of the sieve plate layer 7 is improved by adhering the ceramic patch, and meanwhile, the ceramic patch is optimal, the ceramic patch is composed of a plurality of small patches, so that the ceramic patch is reduced in the situation of the ceramic patch during transportation and installation, the abrasion resistance of the ceramic patch is set as to be more easily replaceable, and the whole sieve plate 7 can be manufactured by selecting a way that more convenient for a plurality of users;

the bottom plate 1 is provided with a plurality of mounting grooves 2 for fixing the bottom plate 1, in the embodiment, the sieve plate body itself cannot be used as a device alone, the sieve plate needs to be fixed on a rack or a slideway through the mounting grooves 2 arranged on the bottom plate 1 for sieving products such as ores or coal, and the like, the number of the mounting grooves 2 arranged on the bottom plate 1 is four, the four mounting grooves 2 are respectively arranged at four corners of the bottom plate 1 and are mutually and symmetrically distributed, so that after the bottom plate 1 is fixedly connected, the sieve plate can be completely limited to reduce harmful vibration generated by the sieve plate itself, abrasion-resistant parts arranged on the sieve plate are prevented from being damaged, the plurality of mounting grooves 2 are provided with long holes 8 matched with bolts, and in actual use, the bottom plate 1 is fixed with the rack or the slideway through the bolts arranged in the mounting grooves 2, the elongated holes 8 in the embodiment are helpful for alignment when the sieve plate is spliced and fixed, and avoid the problem that the bolt cannot be installed when the manufacturing precision error is large, the side walls of the plurality of installation grooves 2 are fixedly connected with the plurality of fixing pins 3 which are arranged in a central symmetry manner, the preset number is two in the embodiment, but the number of the fixing pins 3 is not limited to only two, the two fixing pins 3 can be fixed in the installation grooves 2 by adopting a welding manner, the axes of the two fixing pins 3 are towards the axes of the installation grooves 2 and vertical to the axes of the installation grooves 2 after the two fixing pins 3 are fixedly connected, the protection covers 4 are respectively matched in the installation grooves 2 in a sliding manner, the grooves 5 matched with the fixing pins 3 in a sliding manner are formed in the protection covers 4, the requirement that the protection covers 4 can be limited by matching of the fixing pins 3 and the grooves 5 is met, and the springs 6 are arranged between the protection covers 4 and the bottom surfaces of the installation grooves 2, it is satisfied that the protective cover 4 has a tendency to leave the mounting groove 2 under the action of the spring 6.

In the second embodiment, on the basis of the first embodiment, with reference to fig. 1 to 4, the groove 5 is "n" shaped, that is, the groove 5 has two vertical extending portions in the same direction as the axis of the protective cover 4 and one horizontal extending portion in the same direction as the radial direction of the protective cover 4, the diameter of the groove 5 is matched with the diameter of the fixing pin 3, it is preset that, based on the two fixing pins 3 arranged in one installation groove 2, there should be two "n" shaped grooves 5 formed on the side wall of the protective cover 4, and the two grooves 5 are distributed in central symmetry, so that the fixing pin 3 can rotate along the extending direction of the horizontal extending portion of the groove 5, thereby the protective cover 4 can be limited by the fixing pin 3 to move longitudinally after rotating a certain angle, and at the same time, the protective cover 4 will have a tendency to move longitudinally under the action of the spring 6, after the fixing pin 3 rotates to an extreme position, the fixing pin 3 enters into another vertical extending part of the n-shaped groove 5 through the elastic action of the spring 6, so that the groove 5 is matched with the fixing pin 3, the situation that the protective cover 4 rotates under the condition of continuous vibration is avoided, the position of the sliding fixing pin 3 is limited, the self-sliding mounting groove 2 automatically slides out, and a certain self-locking function is achieved, the preset structure is provided, in the embodiment, when the protective cover 4 is installed in the mounting groove 2, firstly, the groove 5 is aligned and matched with the fixing pin 3, then, in the process that the protective cover 4 rotates into the mounting groove 2, the protective cover 4 can also have a section of process which needs to rotate and move downwards, namely, the groove 5 at the section is in an inclined state, so that the protective cover 4 can move towards the groove 5 in a sliding manner, the preset structure is provided, and the rotating angle of the protective cover 4 in the mounting groove 2 ranges from 5 degrees to 180 degrees, simultaneously, predetermine, place visor 4 back in mounting groove 2 again, visor 4 can cover mounting groove 2 completely when fixed pin 3 is in recess 5's lateral extension portion department, avoids the material to get into mounting groove 2 when sieving to play the purpose of protection bolt, predetermine, fixedly connected with fixed block 9 on visor 4's the lateral wall, it is predetermined, through-hole 10 has been seted up on fixed block 9, in the satisfiedly can penetrate through-hole 10 through the iron bar to twist visor 9, also can not set up through-hole 10, the user can select according to actual conditions, the utility model discloses simple structure can avoid the bolt of fixed sieve to be damaged by wearing and tearing to a great extent to when improving the life of sieve, make things convenient for the change maintenance in the future, be worth the popularization.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a take plane sieve of bolt protection, includes bottom plate (1), its characterized in that, set up a plurality of mounting groove (2) that are used for PMKD (1) on bottom plate (1), it is a plurality of fixed pin (3) that a plurality of centrosymmetric of equal fixedly connected with set up on mounting groove (2) lateral wall, it is a plurality of its axle center is towards the axle center of mounting groove (2) axle center and perpendicular to mounting groove (2) behind fixed pin (3) fixed connection, it is a plurality of equal sliding fit has visor (4) in mounting groove (2), set up recess (5) with fixed pin (3) sliding fit on visor (4), spring (6) have been put between visor (4) and mounting groove (2) bottom surface, still include sieve plate layer (7) of fixed connection on bottom plate (1).

2. The bolt-protected flat screen deck according to claim 1, wherein the protective cover (4) is made of wear-resistant steel or ceramic material.

3. The bolt-protected flat screen deck according to claim 2, wherein the grooves (5) are n-shaped, the diameter of the grooves (5) is matched with the diameter of the fixing pins (3), so that the protection cover (4) is limited to prevent the fixing pins (3) from slipping after the fixing pins (3) slide into the set positions of the grooves (5).

4. A bolt-protected flat screen deck according to claim 3, characterised in that the angle of rotation of the protective cover (4) in the installation channel (2) is in the range of 5-180 °.

5. A bolt-protected flat screen deck according to claim 1 or 4, characterised in that the installation slots (2) are provided with slotted holes (8) for the bolts.

6. The plane sieve plate with the bolt protection function according to claim 2, wherein a fixing block (9) is fixedly connected to the outer side wall of the protection cover (4), and a through hole (10) is formed in the fixing block (9).

7. The plane sieve plate with the bolt protection as claimed in claim 1, wherein the sieve plate layer (7) is provided with rectangular sieve holes (11) at regular intervals.

8. The bolt-protected flat screen deck according to claim 1, wherein the screen deck layer (7) is a bar screen structure formed by a plurality of screen bars arranged at intervals.

9. A bolt-protected flat screen deck according to claim 7 or 8, characterised in that the screen deck (7) is glued with ceramic patches.

10. A bolt-protected flat screen deck according to claim 7 or 8, characterised in that the screen deck (7) is made of a wear-resistant material.

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