CN216441967U

CN216441967U - Rotary tool for assembling main valve

Info

Publication number: CN216441967U
Application number: CN202122605081.6U
Authority: CN
Inventors: 王金铂; 张道秋; 李洋; 樊磊; 魏永敏; 梁洪涛; 赵仁涛
Original assignee: Shandong Dimeng Heavy Industry Machinery Co ltd
Current assignee: Shandong Dimeng Heavy Industry Machinery Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-05-06
Anticipated expiration: 2031-10-28

Abstract

The utility model discloses a rotary tool for assembling a main valve, which comprises an operation table plate, wherein the bottom of the operation table plate is provided with a bearing seat, the bearing seat is tightly matched with a first end of a rotating shaft through a bearing, and a second end of the rotating shaft is connected with an upper rotating table positioned above the operation table plate; the upper rotary table comprises a bottom plate, wherein two second vertical plates are fixedly mounted at the first end of the top of the bottom plate, the top ends of the two second vertical plates are fixedly connected with the two ends of the front seat plate respectively, two first vertical plates are fixedly mounted at the second end of the top of the bottom plate, and the top ends of the two first vertical plates are fixedly connected with the two ends of the rear seat plate respectively. The workpiece does not need to be turned during the assembly of the main valve, so that the repeated turning operation during the assembly of the main valve is avoided, and the convenience of assembly is improved.

Description

Rotary tool for assembling main valve

Technical Field

The utility model relates to the technical field of excavating machinery assembly, in particular to a rotating tool for main valve assembly.

Background

The main valve of the excavator has the main function that hydraulic oil discharged by a pump is supplied to each execution unit according to instructions of an operator, so that the excavator can complete various actions, the main valve of the excavator is various in types, oil ports are often distributed on all surfaces, and the main valve is required to be turned over for many times when a transition joint is installed, which wastes time and labor. When the pipeline is preassembled, the main valve is frequently turned over, and the pipeline is easily damaged.

Disclosure of Invention

The utility model provides a rotary tool for assembling a main valve, which is used for making up the defects of the prior art.

The utility model is realized by the following technical scheme:

a rotary tool for assembling a main valve comprises an operation table plate, wherein a bearing seat is mounted at the bottom of the operation table plate, the bearing seat is tightly matched with a first end of a rotating shaft through a bearing, and a second end of the rotating shaft is connected with an upper rotary table above the operation table plate; the upper rotary table comprises a bottom plate, wherein two second vertical plates are fixedly mounted at the first end of the top of the bottom plate, the top ends of the two second vertical plates are fixedly connected with the two ends of the front seat plate respectively, two first vertical plates are fixedly mounted at the second end of the top of the bottom plate, and the top ends of the two first vertical plates are fixedly connected with the two ends of the rear seat plate respectively.

The pivot is including the first cylinder, second cylinder, the third cylinder that connect gradually, the diameter of second cylinder is greater than first cylinder and third cylinder diameter, first cylinder and bearing cooperation, the third cylinder is connected with the bottom plate.

The front seat plate is provided with a first round hole and a second round hole, and the rear seat plate is provided with a fourth round hole and a long round hole.

The first round hole is closer to the outer edge of the front seat plate than the second round hole.

The number of the fourth round holes and the number of the long round holes are two, and the two long round holes are located between the two fourth round holes.

The pressing plate is positioned at the top of the bottom plate and connected with the rotating shaft and the bottom plate through a second fixing bolt.

And the bottom plate is provided with a shaft hole matched with the rotating shaft.

The utility model has the following technical effects:

the utility model is used for the assembly operation of the conventional main valve, is assembled and disassembled once, and the midway workpiece does not need to be turned, thereby avoiding the repeated turning operation during the assembly of the main valve and improving the convenience of the assembly.

Drawings

The utility model will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic front view of the present invention.

FIG. 2 is a side view of the present invention.

Fig. 3 is a schematic top view of the upper turntable.

Fig. 4 is a side view of the upper turntable.

Fig. 5 is a schematic structural view of the rotating shaft.

Fig. 6 is a schematic structural view of the base plate.

In the figure, 1-an upper rotary table, 2-a pressing plate, 3-a rotating shaft, 4-a bearing, 5-a bearing seat, 6-a first fixing bolt, 7-an operation table plate, 8-a second fixing bolt, 9-a first vertical plate, 10-a bottom plate, 11-a second vertical plate, 12-a first round hole, 13-a second round hole, 14-a front seat plate, 15-a third round hole, 16-an internal thread through hole, 17-a shaft hole, 18-a rear seat plate, 19-a fourth round hole, 20-a long round hole, 21-a first cylinder, 22-a second cylinder, 23-a third cylinder and 24-a limiting groove.

Detailed Description

The following are only embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention are intended to be covered by the scope of the present invention.

The words "front", "back", "inner", "outer", etc. describing the directional relationship are used for the convenience of description of the embodiments, and are not to be construed as limiting the present invention. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The fixed connection mode comprises but is not limited to a connection mode known in the prior art, such as welding, screwing, clamping, interference fit, integral forming and the like; the number of the plurality is more than one.

Fig. 1 to 5 show an embodiment of the present invention. The embodiment provides a rotating tool for main valve assembly, which comprises an operation table plate 7, wherein a bearing seat 5 is detachably mounted at the bottom of the operation table plate 7, and specifically, the bearing seat 5 is fixedly mounted at the bottom of the operation table plate 7 through a first fixing bolt 6 and a nut matched with the first fixing bolt 6. The bearing seat 5 is internally provided with a bearing 4, the bearing 4 is tightly matched with the first end of the rotating shaft 3, and the second end of the rotating shaft 3 is detachably connected with the upper rotary table 1 positioned above the operating bedplate 7. The bearing 4 is a self-aligning ball bearing.

The upper turntable 1 comprises a rectangular base plate 10, the middle of which is provided with a shaft hole 17 for matching with the second end of the rotating shaft 3. Two second vertical plates 11 are fixedly installed at the first end of the top of the bottom plate 10, and the top ends of the two second vertical plates 11 are fixedly connected with the two ends of the front seat plate 14 respectively to form an inverted U-shaped frame; two first vertical plates 9 are fixedly installed at the second end of the top of the bottom plate 10, and the top ends of the two first vertical plates 9 are fixedly connected with the two ends of the rear seat plate 18 respectively to form an inverted U-shaped frame. The two inverted U-shaped racks have the same overall size.

As shown in fig. 3, the front seat plate 14 is provided with a first circular hole 12 and a second circular hole 13, wherein the first circular hole 12 is closer to the outer edge of the front seat plate 14, i.e. the side far from the rear seat plate 18 than the second circular hole 13. The rear seat plate 18 is provided with two fourth circular holes 19 and two oblong holes 20, wherein the two oblong holes 20 are located between the two fourth circular holes 19, i.e. the two fourth circular holes 19 and the two oblong holes 20 are located on the same straight line. The first round hole 12, the second round hole 13, the fourth round hole 19 and the long round hole 20 are used for installing and fixing bolts of the main valve, and the design can realize the fixation of various main valves by using one tool.

The structure of the rotating shaft 3 is shown in fig. 5, and includes a first cylinder 21, a second cylinder 22, and a third cylinder 23 connected end to end in sequence to form a complete shaft, where the diameter of the second cylinder 22 is greater than the diameters of the first cylinder 21 and the third cylinder 23. The first cylinder 21 is fitted with the bearing 4, and the third cylinder 23 is fitted with the shaft hole 17.

The device also comprises a pressing plate 2, wherein the pressing plate 2 is positioned at the top of the bottom plate and is connected with the rotating shaft 3 and the bottom plate 10 through a second fixing bolt 8, so that the upper rotary table 1 and the rotating shaft 3 are tightly connected together; specifically, a plurality of internal thread blind holes are formed in the rotating shaft 3, an internal thread through hole 16 is formed in the bottom plate 10, and the second fixing bolt 8 penetrates through the pressing plate 2 to be in threaded engagement with the internal thread through hole 16 and the internal thread blind holes.

The third end and the fourth end of the bottom plate 10 are both provided with a U-shaped limiting groove 24, and the operation platen 7 is provided with a limiting hole matched with the limiting groove 24, so that when the device is used, the limiting part is inserted into the limiting hole through the limiting groove 24 to prevent the upper rotary table 1 from rotating randomly, and the limiting part can be a bolt and the like.

The bottom plate 10 is further provided with a plurality of third round holes 15, and the first fixing bolts 6 are convenient to install.

When in use, the main valve is fixed on the front seat plate 14 and the rear seat plate 18, then the upper rotary table 1 is rotated by a preset angle and limited by a limiting piece, and then the assembly operation is carried out.

Claims

1. The utility model provides a rotatory frock for main valve assembly which characterized in that: the device comprises an operation bedplate (7) with a bearing seat (5) arranged at the bottom, wherein the bearing seat (5) is tightly matched with the first end of a rotating shaft (3) through a bearing (4), and the second end of the rotating shaft (3) is connected with an upper rotary table (1) positioned above the operation bedplate (7); the upper rotary table (1) comprises a bottom plate (10), wherein two second vertical plates (11) are fixedly mounted at the first end of the top of the bottom plate (10), the top ends of the second vertical plates (11) are fixedly connected with the two ends of a front seat plate (14) respectively, two first vertical plates (9) are fixedly mounted at the second end of the top of the bottom plate (10), and the top ends of the first vertical plates (9) are fixedly connected with the two ends of a rear seat plate (18) respectively.

2. The rotating tool for assembling the main valve according to claim 1, wherein: the rotating shaft (3) comprises a first cylinder (21), a second cylinder (22) and a third cylinder (23) which are sequentially connected, the diameter of the second cylinder (22) is larger than that of the first cylinder (21) and that of the third cylinder (23), the first cylinder (21) is matched with the bearing (4), and the third cylinder (23) is connected with the bottom plate (10).

3. The rotating tool for assembling the main valve according to claim 1, wherein: the front seat plate (14) is provided with a first round hole (12) and a second round hole (13), and the rear seat plate (18) is provided with a fourth round hole (19) and a long round hole (20).

4. The rotating tool for assembling the main valve according to claim 3, wherein: the first round hole (12) is closer to the outer edge of the front seat plate (14) than the second round hole (13).

5. The rotating tool for assembling the main valve according to claim 3, wherein: two fourth round holes (19) and two long round holes (20) are arranged, and the two long round holes (20) are located between the two fourth round holes (19).

6. The rotating tool for assembling the main valve according to any one of claims 1 to 5, wherein: the pressing plate (2) is located at the top of the bottom plate and connected with the rotating shaft (3) and the bottom plate (10) through a second fixing bolt (8).

7. The rotating tool for assembling the main valve according to claim 6, wherein: and the bottom plate (10) is provided with a shaft hole (17) matched with the rotating shaft (3).