Bucket wheel machine cart walking hinge shaft anti-rotation device

Abstract

A bucket wheel machine cart walking hinge shaft anti-rotation device comprises a support, a hinge shaft is installed on the support, a rotation stopping block is installed at one end of the hinge shaft in a matched mode, the rotation stopping block is fixed to the support through a plurality of locking bolts, meanwhile, one end of the hinge shaft is further sleeved with an end cover, the end cover abuts against the rotation stopping block, and the end cover and the hinge shaft are locked through a plurality of screws. The rotation stopping block structurally comprises a rotation stopping block body, a plurality of evenly-distributed bolt holes are formed in the circumferential direction of the rotation stopping block body, and an oblong hole matched with the hinge shaft is formed in the middle of the rotation stopping block body. By redesigning the rotation stopping block and utilizing the fastener to quickly mount without welding, the problem of rotation of the hinge shaft is effectively solved, and the stability and the reliability of the cart traveling mechanism are improved; secondly, the defects of thermal deformation, precision reduction and the like caused by a traditional welding mode are avoided; thirdly, the installation process is simplified, and the construction cost and difficulty are reduced; and fourthly, the durability and the maintainability of the equipment are improved, and the service life of the hinge shaft is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to bulk cargo bucket wheel machine technical field especially a bucket wheel machine car walking screw shaft anti -rotation device. BACKGROUND

[0002] With the rapid development of bulk cargo port mechanization, as one of the key equipment, the stability and reliability of bucket wheel machine directly affect the port operation efficiency and safety. The car walking mechanism as an important part of the ship loader, its performance directly affects the running condition of the whole machine, however, in practical application, the screw shaft of the car walking mechanism often rotates in the running process due to the action of various forces, which not only produces abnormal sound, affects the working environment, but also accelerates the wear of the screw shaft and shortens its service life. Therefore, how to effectively prevent the screw shaft from rotating becomes a problem to be solved.

[0003] The screw shaft of the car walking mechanism in the prior art is prone to rotate in the running process, resulting in walking abnormal sound and reducing the service life of the screw shaft. The traditional screw shaft anti-rotation method usually adopts the method of welding a lock plate, that is, the lock plate is directly welded on the screw shaft support, and the rotation of the screw shaft is limited by the cooperation of the lock plate and the screw shaft. However, this method has many disadvantages: first, thermal deformation is easy to occur in the welding process, affecting the overall precision of the equipment; second, the welding operation is complex and needs to be adjusted multiple times, increasing the construction cost and difficulty; third, the welding part is easy to be corroded and worn in long-term use, reducing the anti-rotation effect. UTILITARIAN CONTENT

[0004] In view of the above-mentioned shortcomings in the prior art, the applicant provides a bucket wheel machine car walking screw shaft anti-rotation device with reasonable structure, so as to improve the structure and installation method of the lock plate, effectively solve the problem of screw shaft rotation by using the rotation stopping block, and avoid the disadvantages of thermal deformation, precision reduction and increased manufacturing cost caused by the traditional welding method.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] A bucket wheel machine car walking screw shaft anti-rotation device, comprising a support, a screw shaft for bucket wheel machine car walking is installed on the support, a rotation stopping block is cooperatively installed at one end of the screw shaft, the rotation stopping block is fixed on the support through a plurality of locking bolts, and an end cover is also sleeved on one end of the screw shaft, the end cover abuts against the rotation stopping block, and the end cover is locked with the screw shaft through a plurality of screws.

[0007] The structure of the rotation stopping block comprises a rotation stopping block body, a plurality of uniformly distributed bolt holes are opened in the circumferential direction of the rotation stopping block body, and a long circular hole matched with the screw shaft is opened in the middle part of the rotation stopping block body.

[0008] As a further improvement of the above technical scheme:

[0009] The rotation-stopping block adopts an integrated structure.

[0010] The rotation-stopping block adopts a disc structure.

[0011] Four bolt holes are formed in the circumferential direction of the rotation-stopping block body.

[0012] The rotation-stopping block is made of wear-resistant and corrosion-resistant material.

[0013] The rotation-stopping block is made of alloy steel.

[0014] The support is provided with a matching port for the rotation-stopping block.

[0015] The middle part of the end cover is provided with an oil nozzle connector which extends into the inside of the twisting shaft.

[0016] The rotation-stopping block of the utility model has the advantages of compact and reasonable structure, convenient operation, quick installation by fastening members, no need of welding, effective solution of the problem of twisting shaft rotation, improved stability and reliability of the cart walking mechanism, avoidance of heat deformation and precision reduction caused by traditional welding mode, simplified installation process, reduced construction cost and difficulty, improved durability and maintainability of the equipment, and prolonged service life of the twisting shaft.

[0017] The rotation-stopping block of the utility model has the advantages of compact and reasonable structure, convenient operation, quick installation by fastening members, no need of welding, effective solution of the problem of twisting shaft rotation, improved stability and reliability of the cart walking mechanism, avoidance of heat deformation and precision reduction caused by traditional welding mode, simplified installation process, reduced construction cost and difficulty, improved durability and maintainability of the equipment, and prolonged service life of the twisting shaft. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model discloses a structure schematic view.

[0019] Figure 2 It is Figure 1 The local enlarged view of A part.

[0020] Figure 3 It is the front view of the rotation-stopping block of the utility model.

[0021] Figure 4 It is the side view of the rotation-stopping block of the utility model.

[0022] 1, support, 2, rotation-stopping block, 3, locking bolt, 4, twisting shaft, 5, end cover, 6, screw, 7, oil nozzle connector,

[0023] 201, rotation-stopping block body, 202, bolt hole, 203, long circular hole. DETAILED DESCRIPTION

[0024] The specific implementation of the utility model will be described below in combination with the drawings.

[0025] For example, Figures 1-4As shown, the bucket wheel machine trolley running shaft anti-rotation device of the embodiment comprises a support 1, the support 1 is installed with a shaft 4 for the bucket wheel machine trolley running, a rotation stopping block 2 is cooperatively installed at one end of the shaft 4, the rotation stopping block 2 is fixed on the support 1 through a plurality of locking bolts 3, meanwhile, one end of the shaft 4 is also sleeved with an end cover 5, the end cover 5 abuts against the rotation stopping block 2, and the end cover 5 is locked with the shaft 4 through a plurality of screws 6.

[0026] The structure of the rotation stopping block 2 comprises a rotation stopping block body 201, a plurality of bolt holes 202 are evenly distributed in the circumferential direction of the rotation stopping block body 201, and an oblong hole 203 matched with the shaft 4 is formed in the middle of the rotation stopping block body 201.

[0027] The rotation stopping block 2 adopts an integral structure.

[0028] The rotation stopping block 2 adopts a disc structure.

[0029] Four bolt holes 202 are formed in the circumferential direction of the rotation stopping block body 201.

[0030] The rotation stopping block 2 is made of wear-resistant and corrosion-resistant materials.

[0031] The rotation stopping block 2 is made of alloy steel.

[0032] A hole matched with the rotation stopping block 2 is formed in the support 1.

[0033] An oil nozzle connector 7 is installed in the middle of the end cover 5, and the oil nozzle connector 7 extends into the inside of the shaft 4.

[0034] The specific structure and functions of the bucket wheel machine trolley running shaft anti-rotation device are as follows: mainly comprising a support 1, a rotation stopping block 2, locking bolts 3, a shaft 4, an end cover 5, screws 6 and an oil nozzle connector 7.

[0035] The rotation stopping block 2 adopts a design of increasing diameter to increase the contact area with the shaft 4 and improve the anti-rotation effect. Meanwhile, the rotation stopping block 2 is provided with a hole matched with the support 1, so as to be directly fixed on the support 1 through the locking bolts 3, and the installation is convenient and fast, and the end cover 5 is also provided.

[0036] The installation mode of the utility model is as follows:

[0037] Different from the traditional welding mode, the utility model adopts the bolt connection mode to install the rotation stopping block 2. Specifically, the rotation stopping block 2 is aligned with the hole on the support 1, and the bolt of M24 is used to tighten and fix it. This installation mode not only simplifies the construction process and reduces the repeated labor, but also avoids the heat deformation problem caused by welding, and guarantees the precision and stability of the product.

[0038] In actual work process, firstly, according to the size and shape of the twisted shaft 4, design and manufacture the required rotation stop block 2. The rotation stop block 2 is made of wear-resistant, corrosion-resistant material, such as alloy steel, etc. Then, drill holes on the support 1 which match the bolt holes 202 of the rotation stop block 2. Then, align the rotation stop block 2 with the holes on the support 1, and use M24 bolts and nuts to tighten and fix it, and then use the screw 6 to install the upper end cover 5. Finally, debug and detect the installed rotation prevention device, to ensure that it can effectively prevent the rotation of the twisted shaft 4 and meet the use requirements. The overall structure is simple, low in cost, and convenient and fast to install.

[0039] The above description is an explanation of the utility model, not a limitation of the utility model, and the scope defined by the utility model is shown in the claims. Within the protection scope of the utility model, any form of modification can be made.

Claims

1. A device for preventing the rotation of the traveling winch shaft of a bucket wheel excavator, characterized in that: Includes a support (1), on which a winch shaft (4) for traveling of the bucket wheel excavator is installed. An anti-rotation block (2) is installed at one end of the winch shaft (4). The anti-rotation block (2) is fixed to the support (1) by multiple locking bolts (3). At the same time, an end cap (5) is also fitted at one end of the winch shaft (4). The end cap (5) abuts against the anti-rotation block (2). The end cap (5) is locked to the winch shaft (4) by multiple screws (6). The structure of the anti-rotation block (2) is as follows: it includes an anti-rotation block body (201), the anti-rotation block body (201) has multiple evenly distributed bolt holes (202) in the circumferential direction, and the anti-rotation block body (201) has an elongated hole (203) in the middle that matches the hinge shaft (4).

2. The anti-rotation device for the traveling winch of the bucket wheel excavator as described in claim 1, characterized in that: The anti-rotation block (2) adopts an integral structure.

3. The anti-rotation device for the traveling winch of the bucket wheel excavator as described in claim 1, characterized in that: The anti-rotation block (2) has a disc-shaped structure.

4. The anti-rotation device for the traveling winch of the bucket wheel excavator as described in claim 1, characterized in that: The anti-rotation block body (201) has four bolt holes (202) in the circumferential direction.

5. The anti-rotation device for the traveling winch of the bucket wheel excavator as described in claim 1, characterized in that: The anti-rotation block (2) is made of wear-resistant and corrosion-resistant materials.

6. The anti-rotation device for the traveling winch of the bucket wheel excavator as described in claim 1, characterized in that: The anti-rotation block (2) is made of alloy steel.

7. The anti-rotation device for the traveling winch of the bucket wheel excavator as described in claim 1, characterized in that: The support (1) has an opening that matches the anti-rotation block (2).

8. The anti-rotation device for the traveling winch of the bucket wheel excavator as described in claim 1, characterized in that: The end cap (5) is equipped with an oil nozzle connector (7) in the middle, and the oil nozzle connector (7) extends into the inside of the hinge shaft (4).

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