A cock valve welding tool

Abstract

A cock valve welding tool, including base (1), tray (2) and a pair of positioning rods (3), the middle part of base (1) is provided with rotating support (4), the middle part of tray (2) is movably installed on rotating support (4), the bottom of both ends of tray (2) is connected with base (1) through positioning rod (3) respectively, and multiple groups of valve body positioning holes (5) are annularly distributed on tray (2) from inside to outside; The advantage is that the welding angle can be adjusted according to the need, and the welding speed and precision of large cock valve are improved.

Description

Technical Field

[0001] This utility model relates to the field of valve processing equipment, specifically to a welding fixture for a plug valve. Background Technology

[0002] Currently, plug valves are rotary valves with a shut-off element or plunger shape. They are opened or closed by rotating 90 degrees to connect or separate the passage on the plug from the passage on the valve body. Large plug valves are difficult to adjust during welding due to their large size and weight, and there is a lack of dedicated welding fixtures. Utility Model Content

[0003] The purpose of this utility model is to address the above-mentioned shortcomings by providing a welding fixture for a plug valve.

[0004] This utility model includes a base, a tray, and a pair of positioning rods. A rotating bracket is provided in the middle of the base, and the middle of the tray is movably mounted on the rotating bracket. The bottom ends of the tray are connected to the base through positioning rods. Multiple sets of valve body positioning holes are distributed in a ring from the inside to the outside on the tray.

[0005] The base consists of a frame and a pair of X-shaped reinforcing ribs. A partition plate is set in the middle of the frame, which divides the middle of the frame into a pair of load-bearing areas. The pair of X-shaped reinforcing ribs are installed in the corresponding load-bearing areas respectively.

[0006] The rotating bracket is a triangular bracket with a pin mounting hole at the top.

[0007] A pair of connecting plates are provided at the bottom of the tray, and the connecting plates are movably mounted on the rotating bracket by means of pins.

[0008] The bottom of both ends of the tray is provided with upper ear seats, and the top of both ends of the base is provided with lower ear seats. The positioning rod is installed between the upper ear seats and the lower ear seats.

[0009] The top of the positioning rod is connected to the upper ear seat pin, and the bottom of the positioning rod is connected to the lower ear seat pin.

[0010] The positioning rod consists of a telescopic rod and a fixed sleeve. The top of the telescopic rod has a pin hole, and a set of adjustment holes are arranged in sequence on the telescopic rod. The upper part of the fixed sleeve has a locking hole, and the bottom of the fixed sleeve is provided with an arc-shaped mounting plate with a pin hole. The telescopic rod is located inside the fixed sleeve, and one of the adjustment holes is connected to the locking hole. A bolt is inserted and locked in place.

[0011] The top of the telescopic rod is connected to the upper ear seat pin, and the arc-shaped mounting plate of the fixing sleeve is connected to the lower ear seat pin.

[0012] A lifting ring is provided in the center of the tray.

[0013] The advantages of this invention are: the welding angle can be adjusted as needed, which improves the welding speed and accuracy of large plug valves. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the horizontal placement structure of the tray of this utility model.

[0015] Figure 2 This is a schematic diagram of the tilted placement structure of the tray of this utility model.

[0016] Figure 3 This is a top view of the base structure of this utility model.

[0017] Figure 4 This is a top view of the tray structure of this utility model.

[0018] Figure 5 This is a schematic diagram of the positioning rod of this utility model. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0021] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0022] In the description of the embodiments of this invention, it should be noted that if terms such as "upper," "lower," "inner," or "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use, they are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, if terms such as "first" or "second" appear in the description of this invention, they are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0023] In the description of the embodiments of the present invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in the present invention based on the specific circumstances.

[0024] As shown in the attached diagram, this utility model includes a base 1, a tray 2, and a pair of positioning rods 3. A rotating bracket 4 is provided in the middle of the base 1, and the tray 2 is movably mounted on the rotating bracket 4 in the middle. The bottom ends of the tray 2 are connected to the base 1 through positioning rods 3. Multiple sets of valve body positioning holes 5 are distributed in a ring from the inside to the outside on the tray 2. It is suitable for different models of valves.

[0025] The base 1 consists of a frame 6 and a pair of X-shaped reinforcing ribs 7. A partition plate 8 is provided in the middle of the frame 6, which divides the middle of the frame 6 into a pair of load-bearing areas. The pair of X-shaped reinforcing ribs 7 are installed in the corresponding load-bearing areas respectively.

[0026] The rotating bracket 4 is a triangular bracket, and a pin mounting hole is opened at the top of the rotating bracket 4.

[0027] A pair of connecting plates 9 are provided at the bottom of the tray 2. The connecting plates 9 are movably mounted on the rotating bracket 4 by means of a pin.

[0028] The bottom of both ends of the tray 2 is provided with upper ear seats, and the top of both ends of the base 1 is provided with lower ear seats. The positioning rod 3 is installed between the upper ear seats and the lower ear seats.

[0029] The top of the positioning rod 3 is connected to the upper ear seat pin, and the bottom of the positioning rod 3 is connected to the lower ear seat pin.

[0030] The positioning rod 3 consists of a telescopic rod 10 and a fixing sleeve 11. The top of the telescopic rod 10 has a pin hole, and a set of adjustment holes 12 are arranged in sequence on the telescopic rod 10. The upper part of the fixing sleeve 11 has a locking hole 13, and the bottom of the fixing sleeve 11 is provided with an arc-shaped mounting plate with a pin hole. The telescopic rod 10 is located inside the fixing sleeve 11, and one of the adjustment holes 12 is connected to the locking hole 13. A bolt is inserted and locked.

[0031] The top of the telescopic rod 10 is connected to the upper ear seat pin, and the arc-shaped mounting plate of the fixing sleeve 11 is connected to the lower ear seat pin. After telescopic extension and retraction, the telescopic rod 10 can be rotated and adjusted according to the tilt angle of the tray 2.

[0032] A lifting ring 14 is provided at the center of the pallet 2. When installing the pallet 2, the lifting rope is tied to the lifting ring 14 for easy lifting and installation.

[0033] Example 1: Based on the required welding angle, first adjust the length of a pair of positioning rods 3. After adjustment, install the pair of positioning rods 3 between the base 1 and the tray 2. The tray 2 remains tilted under the support of the positioning rods 3. Hoist the stopcock valve to the top of the tray 2 and fix it to the corresponding valve body positioning hole 5 with bolts. After installation, welding can proceed. The rotating bracket 4 provides central support, and the tray 2 rotates left and right around the rotating bracket 4.

Claims

1. A welding fixture for a plug valve, characterized in that... Includes a base (1), a tray (2), and a pair of positioning rods (3). A rotating bracket (4) is provided in the middle of the base (1), and the middle of the tray (2) is movably mounted on the rotating bracket (4). The bottom ends of the tray (2) are connected to the base (1) through positioning rods (3). Multiple sets of valve body positioning holes (5) are distributed in a ring from the inside to the outside on the tray (2).

2. The welding fixture for a plug valve according to claim 1, characterized in that, The base (1) consists of a frame (6) and a pair of X-shaped reinforcing ribs (7). A partition plate (8) is provided in the middle of the frame (6), which divides the middle of the frame (6) into a pair of load-bearing areas. The pair of X-shaped reinforcing ribs (7) are installed in the corresponding load-bearing areas respectively.

3. The welding fixture for a plug valve according to claim 2, characterized in that, The rotating bracket (4) is a triangular bracket, and a pin mounting hole is opened on the top of the rotating bracket (4).

4. The welding fixture for a plug valve according to claim 3, characterized in that, The bottom of the tray (2) is provided with a pair of connecting plates (9), which are movably mounted on the rotating bracket (4) by means of a pin.

5. The welding fixture for a plug valve according to claim 4, characterized in that, The bottom of both ends of the tray (2) is provided with upper ear seats, and the top of both ends of the base (1) is provided with lower ear seats. The positioning rod (3) is installed between the upper ear seats and the lower ear seats.

6. The welding fixture for a plug valve according to claim 5, characterized in that, The top of the positioning rod (3) is connected to the upper ear seat pin, and the bottom of the positioning rod (3) is connected to the lower ear seat pin.

7. The welding fixture for a plug valve according to claim 6, characterized in that, The positioning rod (3) consists of a telescopic rod (10) and a fixed sleeve (11). The top of the telescopic rod (10) has a pin hole, and a set of adjustment holes (12) are arranged in sequence on the telescopic rod (10). The upper part of the fixed sleeve (11) has a locking hole (13), and the bottom of the fixed sleeve (11) is provided with an arc-shaped mounting plate with a pin hole. The telescopic rod (10) is located inside the fixed sleeve (11), and one of the adjustment holes (12) is connected to the locking hole (13). A bolt is inserted and locked.

8. The welding fixture for a plug valve according to claim 7, characterized in that, The top of the telescopic rod (10) is connected to the upper ear seat pin, and the arc-shaped mounting plate of the fixing sleeve (11) is connected to the lower ear seat pin.

9. A welding fixture for a plug valve according to claim 1, characterized in that, A lifting ring (14) is provided at the center of the tray (2).

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