Device for quickly positioning valve rod of valve

Abstract

The utility model relates to the field of valve rods of valves, in particular to a device for quickly positioning a valve rod of a valve. The technical problem that in the valve rod positioning process, due to the fact that an existing device for rapidly positioning the valve rod of the valve is used for installing the valve rod of the valve on the valve, when the force for installing and positioning the valve rod of the valve is large, the valve rod is possibly damaged, and the using effect of the device for rapidly positioning the valve rod of the valve is reduced is solved. According to the technical scheme, the device for rapidly positioning the valve rod of the valve comprises a support assembly, a clamping assembly, a mounting assembly and a valve assembly, a valve main body is positioned and fixed by arranging a bracket and a positioning frame, and the valve rod main body is positioned and mounted through a movable disc, so that the problem that in the valve rod positioning process, the valve rod cannot be clamped easily is solved. At present, due to the fact that an existing device for rapidly positioning the valve rod of the valve is used for installing the valve rod of the valve on the valve, when the force for installing and positioning the valve rod of the valve is large, the valve rod may be damaged, and the using effect of the device for rapidly positioning the valve rod of the valve is reduced.

Description

Technical Field

[0001] The utility model relates to the field of valve stems, in particular to a device for quickly positioning a valve stem. Background Art

[0002] Valves are control components in fluid delivery systems, with functions such as shutoff, regulation, diversion, backflow prevention, pressure stabilization, diversion or overflow pressure relief. Valves used in fluid control systems come in a wide variety of varieties and specifications, from the simplest shutoff valve to the various valves used in extremely complex automatic control systems. Valves can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media. The valve stem is the main structure of the control valve. When the valve stem is installed, it needs to be positioned. The existing valve stem quick positioning device is used to install the valve stem on the valve. When the valve stem is installed and positioned with a large force, it is easy to cause the structure of the valve stem to be damaged to a certain extent, resulting in a decrease in the use effect of the valve. Utility Model Content

[0003] In order to overcome the problem that during the valve stem positioning process, the existing valve stem quick positioning device is used to install the valve stem on the valve. When the valve stem is installed and positioned with great force, the valve stem may be damaged, resulting in a decrease in the use effect of the valve stem quick positioning device.

[0004] The technical solution of the utility model is: a device for quickly positioning a valve stem, comprising a bracket assembly, a clamping assembly, a mounting assembly and a valve assembly; the bracket assembly is mounted with the clamping assembly; the upper end of the bracket assembly is mounted with the mounting assembly; and the lower end of the mounting assembly is provided with a valve assembly.

[0005] Preferably, the device is supported by providing a bracket assembly; the valve assembly is fixed by providing a clamping assembly; and the valve stem is installed for the valve assembly by providing a mounting assembly.

[0006] Preferably, the bracket assembly includes a mounting frame body, a side mounting frame, a positioning block, a support rod, a bracket, a placement groove, a positioning hole, an adjustment rod and a first fixing bolt; the side mounting frames are fixedly connected to the two side ends of the mounting frame body; the positioning block is fixedly connected to the upper end of the side mounting frame; the support rod is fixedly connected to the inner side of the mounting frame body; the device is supported by the mounting frame body and the side mounting frame, and the valve assembly is supported by the bracket.

[0007] Preferably, a bracket is fixedly connected to the upper end of the support rod; a placement groove is provided on the bracket; a positioning hole is provided at the lower end of the placement groove; an adjusting rod is installed at the front end of the bracket; a first fixing bolt is provided on the adjusting rod; the support height is adjusted by the adjusting rod and the first fixing bolt, and the valve assembly is placed using the placement groove.

[0008] Preferably, the clamping assembly includes a dual-axis motor, a threaded rod, a positioning frame, a limit slot and a positioning rod; a dual-axis motor is arranged at the lower end of the bracket; a threaded rod is rotatably connected to the rotating shaft of the dual-axis motor; a positioning frame is gap-fitted on the threaded rod; a limit slot is provided on the positioning frame; a positioning rod is fixedly connected to one end of the limit slot; the positioning rod and the positioning hole are arranged to be slidably connected; the threaded rod is driven by the dual-axis motor to drive the positioning frame to move, so as to fix the valve assembly through the positioning rod.

[0009] Preferably, the installation assembly includes a hydraulic push rod, a movable frame, a slide groove, a movable plate, a second fixing bolt and a limiting rod; a hydraulic push rod is provided at the rear end of the positioning rod; a movable frame is installed at the upper end of the hydraulic push rod; a slide groove is provided on the movable frame; the movable frame is driven to move by the hydraulic push rod to facilitate the positioning and installation of the valve stem body.

[0010] Preferably, a movable disk is slidably connected to the inner side of the slide groove; second fixing bolts are provided at both ends of the movable disk; a limiting rod is slidably connected to the rear end of the movable frame; the valve stem body is positioned and fixed by the movable disk and the second fixing bolt to facilitate subsequent positioning and installation.

[0011] Preferably, the valve assembly includes a valve body, a valve connecting pipe, a valve connecting plate, a valve connecting hole and a valve stem body; the valve body is arranged at the lower end of the movable plate; valve connecting pipes are arranged at both ends of the valve body; a valve connecting plate is fixedly connected to the outer side of the valve connecting pipe; a valve connecting hole is opened on the valve connecting plate; the valve connecting plate and the positioning frame are arranged in a sliding connection through the valve connecting hole and the positioning rod; the valve stem body is arranged at the upper end of the valve body; the valve stem body and the movable plate are arranged in a sliding connection; the valve body is conveniently positioned through the valve connecting plate and the valve connecting hole, so as to facilitate the positioning and installation of the valve stem body.

[0012] Beneficial effects of the utility model:

[0013] 1. The valve is positioned and fixed by setting a support bracket and a clamping plate, and the valve stem is conveniently installed by a sliding frame and a positioning plate, so as to solve the problem that in the process of valve stem positioning, the existing valve stem rapid positioning device is used to install the valve stem on the valve. When the force of valve stem installation and positioning is large, the valve stem may be damaged, resulting in a decrease in the use effect of the valve stem rapid positioning device, thereby improving the convenience of use of the entire valve stem rapid positioning device;

[0014] 2. Place the valve body through the bracket and the placement groove, start the double-axis motor to drive the threaded rod to drive the positioning frame to move, so as to fix the valve assembly through the positioning rod, the valve connecting plate and the valve connecting hole, thereby improving the convenience of using the entire valve stem rapid positioning device to a certain extent;

[0015] 3. The valve stem body is positioned and fixed by the movable plate and the second fixing bolt. Then, the movable frame is driven to move by the hydraulic push rod. The support height is adjusted by the adjusting rod and the first fixing bolt to control the positioning and installation of the valve stem body, thereby improving the working efficiency of the entire valve stem rapid positioning device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The three-dimensional structure diagram of the device for quickly positioning the valve stem of the utility model is shown;

[0017] Figure 2 Shown is a three-dimensional structural schematic diagram of a support assembly of a valve stem rapid positioning device of the utility model;

[0018] Figure 3 Shown is a schematic diagram of the three-dimensional structure of the clamping assembly of the valve stem rapid positioning device of the utility model;

[0019] Figure 4 Shown is a three-dimensional structural schematic diagram of the installation assembly of the valve stem rapid positioning device of the utility model.

[0020] Explanation of the accompanying drawings: 1. bracket assembly; 2. clamping assembly; 3. mounting assembly; 4. valve assembly; 101. mounting frame body; 102. side mounting frame; 103. positioning block; 104. support rod; 105. bracket; 106. placement slot; 107. positioning hole; 108. adjusting rod; 109. first fixing bolt; 201. dual-axis motor; 202. threaded rod; 203. positioning frame; 204. limiting slot; 205. positioning rod; 301. hydraulic push rod; 302. moving frame; 303. slide slot; 304. moving plate; 305. second fixing bolt; 306. limiting rod; 401. valve body; 402. valve connecting pipe; 403. valve connecting plate; 404. valve connecting hole; 405. valve stem body. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] See also Figure 1 The utility model provides an embodiment: a device for quickly positioning a valve stem, comprising a bracket assembly 1, a clamping assembly 2, a mounting assembly 3 and a valve assembly 4; the clamping assembly 2 is mounted on the bracket assembly 1; the mounting assembly 3 is mounted on the upper end of the bracket assembly 1; and the valve assembly 4 is arranged on the lower end of the mounting assembly 3.

[0023] See also Figure 2-3In this embodiment, the bracket assembly 1 includes a mounting frame body 101, a side mounting frame 102, a positioning block 103, a support rod 104, a bracket 105, a placement groove 106, a positioning hole 107, an adjustment rod 108 and a first fixing bolt 109; the side mounting frames 102 are fixedly connected to the ends of the mounting frame body 101; the positioning block 103 is fixedly connected to the upper end of the side mounting frame 102; the support rod 104 is fixedly connected to the inner side of the mounting frame body 101; the bracket 105 is fixedly connected to the upper end of the support rod 104; a placement groove 106 is provided on the bracket 105; a positioning hole 107 is provided at the lower end of the placement groove 106; an adjustment rod 108 is installed at the front end of the bracket 105; the adjustment rod 108 is provided with a first fixing bolt 109; the clamping assembly 2 includes a dual-axis motor 201, a threaded rod 202, a positioning frame 2 03, limit groove 204 and positioning rod 205; a double-axis motor 201 is arranged at the lower end of the bracket 105; a threaded rod 202 is rotatably connected to the rotating shaft of the double-axis motor 201; a positioning frame 203 is gap-matched on the threaded rod 202; a limit groove 204 is arranged on the positioning frame 203; a positioning rod 205 is fixedly connected to one end of the limit groove 204; the positioning rod 205 and the positioning hole 107 are set to be slidably connected; the device is supported by the mounting frame body 101 and the side mounting frame 102, and the valve assembly 4 is supported by the bracket 105; the support height is adjusted by the adjusting rod 108 and the first fixing bolt 109, and the valve assembly 4 is placed using the placement groove 106; the threaded rod 202 is driven by the double-axis motor 201 to drive the positioning frame 203 to move, so as to fix the valve assembly 4 by the positioning rod 205.

[0024] See also Figure 4In this embodiment, the mounting assembly 3 includes a hydraulic push rod 301, a movable frame 302, a slide groove 303, a movable plate 304, a second fixing bolt 305 and a limiting rod 306; a hydraulic push rod 301 is provided at the rear end of the positioning rod 205; a movable frame 302 is installed at the upper end of the hydraulic push rod 301; a slide groove 303 is provided on the movable frame 302; a movable plate 304 is slidably connected to the inner side of the slide groove 303; second fixing bolts 305 are provided at both ends of the movable plate 304; a limiting rod 306 is slidably connected to the rear end of the movable frame 302; a valve assembly 4 includes a valve body 401, a valve connecting pipe 402, a valve connecting plate 403, a valve connecting hole 404 and a valve stem body 405; a valve body 401 is provided at the lower end of the movable plate 304; a valve body 401 is provided at both ends of the valve body 401 A valve connecting pipe 402 is provided; a valve connecting plate 403 is fixedly connected to the outer side of the valve connecting pipe 402; a valve connecting hole 404 is opened on the valve connecting plate 403; the valve connecting plate 403 and the positioning frame 203 are set to be slidingly connected through the valve connecting hole 404 and the positioning rod 205; a valve stem body 405 is provided on the upper end of the valve body 401; the valve stem body 405 and the moving plate 304 are set to be slidingly connected; the moving frame 302 is driven to move by the hydraulic push rod 301 to facilitate the positioning and installation of the valve stem body 405; the valve stem body 405 is positioned and fixed by the moving plate 304 and the second fixing bolt 305 to facilitate subsequent positioning and installation; the valve body 401 is conveniently positioned through the valve connecting plate 403 and the valve connecting hole 404 to facilitate the positioning and installation of the valve stem body 405.

[0025] When in use, the valve body 401 is placed through the bracket 105 and the placement groove 106, and the support height is adjusted through the adjustment rod 108 and the first fixing bolt 109, and the dual-axis motor 201 is started to drive the threaded rod 202 to drive the positioning frame 203 to move, so as to fix the valve assembly 4 through the positioning rod 205, the valve connection plate 403 and the valve connection hole 404;

[0026] During installation, first, the valve stem body 405 is positioned and fixed by the movable plate 304 and the second fixing bolt 305 , and then, the movable frame 302 is driven to move by the hydraulic push rod 301 , so as to position and install the valve stem body 405 .

[0027] Through the above steps, the device is supported by setting the mounting frame main body 101 and the side mounting frame 102; the valve body 401 is fixed by setting the dual-axis motor 201 and the positioning frame 203; the valve stem main body 405 is installed for the valve body 401 by setting the hydraulic push rod 301 and the movable plate 304, so as to solve the problem that in the process of valve stem positioning, the existing valve stem rapid positioning device is used to install the valve stem on the valve. When the force of valve stem installation and positioning is large, the valve stem may be damaged, resulting in a decrease in the use effect of the valve stem rapid positioning device, thereby improving the convenience of use of the entire valve stem rapid positioning device.

[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A device for quickly positioning a valve stem, comprising a bracket assembly (1); characterized in that: It also includes a clamping assembly (2), a mounting assembly (3) and a valve assembly (4); the clamping assembly (2) is mounted on the bracket assembly (1); the mounting assembly (3) is mounted on the upper end of the bracket assembly (1); and the valve assembly (4) is arranged on the lower end of the mounting assembly (3).

2. A device for rapid positioning of a valve stem according to claim 1, characterized in that: The bracket assembly (1) comprises a mounting frame body (101), a side mounting frame (102), a positioning block (103), a support rod (104), a bracket (105), a placement groove (106), a positioning hole (107), an adjustment rod (108) and a first fixing bolt (109); the side mounting frames (102) are fixedly connected to the end portions of both sides of the mounting frame body (101); the positioning block (103) is fixedly connected to the upper end portion of the side mounting frame (102); and the support rod (104) is fixedly connected to the inner side of the mounting frame body (101).

3. A device for rapid positioning of a valve stem according to claim 2, characterized in that: The upper end of the support rod (104) is fixedly connected to a bracket (105); a placement groove (106) is provided on the bracket (105); a positioning hole (107) is provided at the lower end of the placement groove (106); an adjustment rod (108) is installed at the front end of the bracket (105); and a first fixing bolt (109) is provided on the adjustment rod (108).

4. A device for quickly positioning a valve stem according to claim 3, characterized in that: The clamping assembly (2) comprises a dual-axis motor (201), a threaded rod (202), a positioning frame (203), a limiting groove (204) and a positioning rod (205); the dual-axis motor (201) is arranged at the lower end of the bracket (105); the threaded rod (202) is rotatably connected to the rotating shaft of the dual-axis motor (201); the positioning frame (203) is loosely fitted on the threaded rod (202); the limiting groove (204) is provided on the positioning frame (203); the positioning rod (205) is fixedly connected to one end of the limiting groove (204); the positioning rod (205) and the positioning hole (107) are arranged to be slidably connected.

5. A device for quickly positioning a valve stem according to claim 4, characterized in that: The mounting assembly (3) comprises a hydraulic push rod (301), a movable frame (302), a slide groove (303), a movable plate (304), a second fixing bolt (305) and a limiting rod (306); the hydraulic push rod (301) is arranged at the rear end of the positioning rod (205); the movable frame (302) is installed at the upper end of the hydraulic push rod (301); and the slide groove (303) is provided on the movable frame (302).

6. A device for quickly positioning a valve stem according to claim 5, characterized in that: A moving plate (304) is slidably connected to the inner side of the slide groove (303); second fixing bolts (305) are provided at both side ends of the moving plate (304); and a limiting rod (306) is slidably connected to the rear end of the moving frame (302).

7. A device for quickly positioning a valve stem according to claim 6, characterized in that: The valve assembly (4) comprises a valve body (401), a valve connecting pipe (402), a valve connecting disk (403), a valve connecting hole (404) and a valve stem body (405); the valve body (401) is arranged at the lower end of the movable disk (304); the valve connecting pipes (402) are arranged at the ends of both sides of the valve body (401); the valve connecting disk (403) is fixedly connected to the outer side of the valve connecting pipe (402); the valve connecting hole (404) is opened on the valve connecting disk (403); the valve connecting disk (403) and the positioning frame (203) are arranged to be slidably connected through the valve connecting hole (404) and the positioning rod (205); the valve stem body (405) is arranged at the upper end of the valve body (401); the valve stem body (405) and the movable disk (304) are arranged to be slidably connected.

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