Rotor structure of concrete sprayer

Abstract

The utility model belongs to the technical field of concrete spraying equipment, and particularly relates to a rotor structure of a concrete spraying machine, along with rotation of a rotor body, the rotor body drives a limiting column to move and further drives a lining plate to rotate, and when the lining plate rotates, a baffle is fixedly connected in a limiting hole and located at the end, close to a rubber sealing plate, of the limiting hole; the side wall of the baffle is flush with the side wall of the lining plate, so that the contact surface of the lining plate and the rubber sealing plate is always kept plane, the friction force between the lining plate and the rubber sealing plate is reduced, and the rubber sealing plate is prevented from partially extending into the limiting hole under the action of pressure to generate shearing force between the limiting hole and the rubber sealing plate along with the movement of the lining plate; the rotor structure of the concrete spraying machine solves the problems that in the prior art, due to the fact that the service life of the rubber sealing plate in a rotor structure of the concrete spraying machine is short, the use cost of concrete spraying equipment is high, and operation is affected.

Description

TECHNICAL FIELD

[0001] The utility model belongs to concrete injection equipment technical field, especially relate to a concrete injection machine rotor structure. BACKGROUND

[0002] In prior art, the service life of rubber sealing plate used in rotor structure of general concrete injection equipment is generally about one week, if the service life of rubber sealing plate, especially upper rubber sealing plate, is sharply shortened due to higher service strength, the rubber sealing plate needs to be replaced, the frequent replacement of rubber sealing plate increases the use cost of concrete injection machine, and affects continuous injection operation, resulting in low operation efficiency, and the sealing performance of rubber sealing plate is deteriorated with the increase of abrasion degree in the use process, which causes air leakage during injection feeding, dust around the equipment exceeds the standard, and normal long-distance injection operation cannot be ensured.

[0003] Therefore, a concrete injection machine rotor structure is provided. CONTENT OF UTILITY MODEL

[0004] The utility model discloses a concrete injection machine rotor structure to solve the above problems.

[0005] To achieve the above object, the utility model provides the following scheme:

[0006] A concrete injection machine rotor structure, comprising: a rotor body, opposite sides of the rotor body are provided with a lining plate, one side of the lining plate away from the rotor body is provided with a rubber sealing plate, one side of the rubber sealing plate away from the lining plate is provided with a pressing plate, the pressing plate extrudes the rubber sealing plate to the lining plate, the rotor body, the lining plate, the rubber sealing plate and the pressing plate are coaxially arranged.

[0007] A limiting column is fixedly installed at the outer edge of the rotor body, one end of the limiting column extends out of the rotor body and extends into a limiting hole, the limiting hole is formed in the lining plate, a baffle is fixedly connected in the limiting hole, the baffle is located at one end of the limiting hole close to the rubber sealing plate, and the side wall of the baffle is flush with the side wall of the lining plate.

[0008] In the concrete injection machine rotor structure of the utility model, the thickness of the baffle is 2-3mm.

[0009] In the concrete injection machine rotor structure of the utility model, a countersunk hole is formed in the rotor body, the countersunk hole penetrates the rotor body, the large end of the countersunk hole faces the lining plate, the limiting column is arranged in the large end of the countersunk hole, and the limiting column is matched with the large end of the countersunk hole.

[0010] In the concrete spraying machine rotor structure of the utility model, the small end of the countersunk hole is provided with a screw rod, one end of the screw rod is coaxially fixedly connected with the limiting column, and the other end of the screw rod penetrates the rotor body and is threadedly connected with a nut.

[0011] In the concrete spraying machine rotor structure of the utility model, a gasket is sleeved on the screw rod, and the gasket is located between the nut and the rotor body.

[0012] In the concrete spraying machine rotor structure of the utility model, a main shaft is fixedly connected to one side of the rotor body, the main shaft is coaxially arranged with the rotor body, and the main shaft is drivingly connected with the power assembly through the lining plate, the rubber sealing plate and the pressing plate.

[0013] Compared with the prior art, the utility model has the following advantages and technical effects:

[0014] In the utility model, with the rotation of the rotor body, the rotor body drives the limiting column to move, and then drives the lining plate to rotate. When the lining plate rotates, the limiting hole is fixedly connected with a baffle, and the baffle is located at one end of the limiting hole close to the rubber sealing plate. The side wall of the baffle is flush with the side wall of the lining plate, so that the contact surface of the lining plate and the rubber sealing plate always remains planar, reducing the friction between the lining plate and the rubber sealing plate, avoiding the problem that the rubber sealing plate is partially inserted into the limiting hole under the action of pressure, and the shear force between the limiting hole and the rubber sealing plate is generated with the movement of the lining plate, and then the rubber sealing plate is damaged, prolonging the service life of the rubber sealing plate,

[0015] The concrete spraying machine rotor structure of the utility model solves the problem that the service life of the rubber sealing plate in the concrete spraying machine rotor structure in the prior art is short, resulting in high use cost of the concrete spraying equipment and affecting operation. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor under the premise of not paying creative labor:

[0017] Fig. 1 It is the overall structure schematic view of the utility model;

[0018] Fig. 2 It is the structure schematic view of the limiting column in the utility model;

[0019] Fig. 3 It is the structure schematic view of the lining plate in the utility model;

[0020] Wherein, 1, rotor body; 2, backing plate; 3, rubber sealing plate; 4, pressing plate; 5, countersunk hole; 6, main shaft; 7, limiting column; 8, nut; 9, gasket; 10, limiting hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] In order to make the above-mentioned purposes, features and advantages of the utility model more apparent and easy to understand, the utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0023] Reference Figs. 1 to 3 The utility model discloses a concrete jet machine rotor structure, include: rotor body 1, the opposite two sides of rotor body 1 are provided with backing plate 2, the side away from rotor body 1 of backing plate 2 is provided with rubber sealing plate 3, the side away from backing plate 2 of rubber sealing plate 3 is provided with pressing plate 4, and rubber sealing plate 3 is extruded to backing plate 2 under the action of external force, and rotor body 1, backing plate 2, rubber sealing plate 3 and pressing plate 4 are coaxially arranged.

[0024] The outer edge of rotor body 1 is fixedly installed with a limiting column 7, one end of the limiting column 7 extends out of the rotor body 1 and extends into the limiting hole 10, the limiting hole 10 is formed in the backing plate 2, a baffle is fixedly connected in the limiting hole 10, the baffle is located at one end of the limiting hole 10 close to the rubber sealing plate 3, and the side wall of the baffle is flush with the side wall of the backing plate 2.

[0025] When the side wall of the baffle in the backing plate 2 rotates relative to the rubber sealing plate 3, an effective complete sealing ring band surface is formed.

[0026] The baffle is integrally formed with the backing plate 2.

[0027] Among them, rotor body 1, backing plate 2, rubber sealing plate 3 and pressing plate 4 are prior art, its structure and connecting mode can be selected by the person skilled in the art according to the demand of oneself, and in the utility model, the structure of limiting hole 10 is improved, thereby solving the problems of short service life and high use cost of rubber sealing plate in prior art.

[0028] The utility model discloses, with the rotation of rotor body 1, rotor body 1 drives the movement of limiting column 7, further drive the rotation of lining plate 2, when the rotation of lining plate 2, because fixedly connected with the baffle in limiting hole 10, and the baffle is located in limiting hole 10 close to rubber seal plate 3 one end, the lateral wall of baffle is flush with the lateral wall of lining plate 2, make the effective contact surface of lining plate 2 and rubber seal plate 3 always keep the complete annular plane in the rotation process, reduce the friction of annular contact surface between lining plate 2 and rubber seal plate 3, avoid the problem that a small amount of rubber seal plate 3 is extruded and enters limiting hole 10 under the pressure of rubber seal plate 3, with the rotary motion of lining plate 2 makes limiting hole 10 and rubber seal plate 3 enter the part between limiting hole 10, further damage rubber seal plate 3, prolong the service life of rubber seal plate 3.

[0029] The concrete spraying machine rotor structure of the utility model solves the problem of high use cost of concrete spraying equipment and influence operation caused by short service life of rubber seal plate 3 in the concrete spraying machine rotor structure of the prior art.

[0030] In an alternative scheme, the thickness of the baffle is 2-3mm.

[0031] In an alternative scheme, a countersunk hole 5 is formed in the rotor body 1, the countersunk hole 5 penetrates the rotor body 1, the large end of the countersunk hole 5 faces the lining plate 2, the limiting column 7 is arranged in the large end of the countersunk hole 5, and the limiting column 7 is matched with the large end of the countersunk hole 5.

[0032] The limiting column 7 is arranged in the large end of the countersunk hole 5 and matched with the large end of the countersunk hole 5, so that the limiting column 7 is prevented from shaking in the large end of the countersunk hole 5 when transmitting power by itself, the limiting column 7 and / or the rotor body 1 are prevented from being damaged, and the service life of the equipment is affected.

[0033] In an alternative scheme, a screw is arranged in the small end of the countersunk hole 5, one end of the screw is coaxially fixedly connected with the limiting column 7, and the other end of the screw penetrates the rotor body 1 and is threadedly connected with a nut 8.

[0034] The screw is tightened by the nut 8, and then the limiting column 7 is fixed in the countersunk hole 5.

[0035] In an alternative scheme, a gasket 9 is arranged on the screw, and the gasket 9 is located between the nut 8 and the rotor body 1.

[0036] The possibility of loosening of the nut 8 is reduced.

[0037] In an alternative scheme, a main shaft 6 is fixedly connected to one side of the rotor body 1, the main shaft 6 is coaxially arranged with the rotor body 1, the main shaft 6 penetrates the lining plate 2, the rubber seal plate 3 and the pressing plate 4 and is drivingly connected with the power assembly.

[0038] The main shaft 6 plays a main transmission role and is in transmission connection with the power assembly of the concrete spraying machine.

[0039] The manner that the main shaft 6 is in transmission connection with the power assembly of the concrete spraying machine is the prior art, and the specific connection manner can be selected by a person skilled in the art according to actual needs.

[0040] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0041] The above-described embodiments are only preferred modes of the present application and are not intended to limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by a person skilled in the art without departing from the design spirit of the present application should fall within the protection scope of the present application as defined by the claims.

Claims

1. A rotor structure for a concrete spraying machine, characterized in that, include: The rotor body (1) has liner plates (2) on both sides opposite to each other. A rubber sealing plate (3) is provided on the side of the liner plate (2) away from the rotor body (1). A pressure plate (4) is provided on the side of the rubber sealing plate (3) away from the liner plate (2). The pressure plate (4) presses the rubber sealing plate (3) against the liner plate (2). The rotor body (1), the liner plate (2), the rubber sealing plate (3) and the pressure plate (4) are coaxially arranged. A limiting post (7) is fixedly installed on the outer edge of the rotor body (1). One end of the limiting post (7) extends out of the rotor body (1) and into the limiting hole (10). The limiting hole (10) is opened on the liner (2). A baffle is fixedly connected in the limiting hole (10). The baffle is located at one end of the limiting hole (10) near the rubber sealing plate (3). The side wall of the baffle is flush with the side wall of the liner (2).

2. The rotor structure of a concrete spraying machine according to claim 1, characterized in that: The thickness of the baffle is 2-3 mm.

3. The rotor structure of a concrete spraying machine according to claim 1, characterized in that: The rotor body (1) has a countersunk hole (5) that penetrates the rotor body (1). The larger end of the countersunk hole (5) faces the liner (2). The limiting post (7) is inserted into the larger end of the countersunk hole (5) and is adapted to the larger end of the countersunk hole (5).

4. The rotor structure of a concrete spraying machine according to claim 3, characterized in that: A screw rod is inserted into the small end of the countersunk hole (5). One end of the screw rod is coaxially fixed to the limiting post (7), and the other end of the screw rod passes through the rotor body (1) and is threadedly connected to a nut (8).

5. The rotor structure of a concrete spraying machine according to claim 4, characterized in that: A washer (9) is fitted on the screw, and the washer (9) is located between the nut (8) and the rotor body (1).

6. The rotor structure of a concrete spraying machine according to claim 1, characterized in that: A main shaft (6) is fixedly connected to one side of the rotor body (1). The main shaft (6) is coaxially arranged with the rotor body (1). The main shaft (6) passes through the liner (2), the rubber sealing plate (3), and the pressure plate (4) and is connected to the power assembly for transmission.

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