CN220770295U - Underground valve safety opening and closing device - Google Patents

Abstract

The utility model belongs to the technical field of underground valves, and particularly relates to a safety opening and closing device of an underground valve. According to the utility model, the rotating shaft, the connecting shaft, the first bevel gear, the second bevel gear, the opening and closing handle and other parts are arranged, and the motor can be started or the hand wheel can be rotated, so that the rotating shaft is driven to drive the opening and closing handle to rotate through the cooperation of the second bevel gear and the first bevel gear, the opening and closing handle is used for controlling the valve, and the problem that the underground valve safety opening and closing device is inconvenient to open and close the valve when being vertical is solved.

Description

Underground valve safety opening and closing device

Technical Field

The utility model relates to the technical field of underground valves, in particular to a safety opening and closing device of an underground valve.

Background

The heating power steam pipeline is usually pressurized and at high temperature, the valve of the heating power pipeline positioned underground is easy to rust and damage in a humid and high-temperature environment, the underground space is narrow, the valve is damaged in the opening and closing process, operators positioned underground can hardly escape along with the ejection of high-pressure hot steam, and great potential safety hazards exist, so that the device capable of opening and closing the valve on the well is necessary to design. Most of the prior art improves the installation mode of the valve hand wheel parallel to the ground, but the underground valve safety opening and closing device is inconvenient to open and close the valve when vertical.

Disclosure of Invention

The utility model aims to provide a downhole valve safety opening and closing device, which solves the problem that the downhole valve safety opening and closing device is inconvenient to open and close a valve when vertical.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a safe headstock gear of valve in pit, includes the bracing piece, the outside on the bracing piece is provided with the support frame, fixedly connected with backup pad on the bracing piece, fixedly mounted has the motor in the backup pad, the output and the backup pad of motor rotate to be connected, the output fixedly connected with initiative tooth of motor, the inside of bracing piece is connected with the pivot through the bearing, fixedly connected with driven tooth in the pivot, initiative tooth and driven tooth meshing, the one end fixedly connected with hand wheel of pivot, fixedly connected with battery in the backup pad, be provided with stop gear in the backup pad, the lower extreme of bracing piece is through flange joint has the base.

Preferably, the inside of base is changeed and is connected with the pivot, the inside of base is connected with the connecting axle through the bearing, be provided with on the connecting axle and open and close the handle, the epaxial fixedly connected with first bevel gear of connecting, the one end fixedly connected with second bevel gear of pivot, first bevel gear and second bevel gear meshing make the pivot drive the second bevel gear and rotate, make first bevel gear drive the connecting axle and rotate, alright make the connecting axle drive open and close the handle and rotate, make open and close the handle and close the valve.

Preferably, stop gear includes spacing, guide block, guide way, threaded rod, fixed sleeve, knob, kelly, the contact has spacing in the backup pad, fixedly connected with guide block in the backup pad, be connected with the threaded rod through the bearing on the spacing, fixedly connected with kelly on the spacing, the kelly contacts with the hand wheel, through stop gear's design, can play spacing effect to the hand wheel, can play spacing effect to the pivot.

Preferably, the limiting frame is provided with a guide groove, the guide block is connected in the guide groove in a sliding manner, and the limiting frame can be limited through the design of the guide groove.

Preferably, the fixed sleeve is fixedly connected to the supporting plate, the threaded rod is connected with the fixed sleeve through threads, and the position of the limiting frame can be adjusted by matching with the threaded rod through the design of the fixed sleeve.

Preferably, the knob is fixedly connected to the threaded rod, the knob is in contact with the limiting frame, and the hand wheel can be conveniently rotated through the design of the knob.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the rotating shaft, the connecting shaft, the first bevel gear, the second bevel gear, the opening and closing handle and other parts are arranged, and the motor can be started or the hand wheel can be rotated, so that the rotating shaft is driven to drive the opening and closing handle to rotate through the cooperation of the second bevel gear and the first bevel gear, the opening and closing handle is used for controlling the valve, and the problem that the underground valve safety opening and closing device is inconvenient to open and close the valve when being vertical is solved.

2. The utility model is provided with the limiting frame, the threaded rod, the fixing sleeve, the clamping rod and other parts, and the threaded rod and the limiting frame can be in threaded movement by rotating the threaded rod, so that the limiting frame drives the clamping rod to slide into a gap between the hand wheels, and the hand wheels can be limited, thereby limiting the opening and closing handles.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is an enlarged view of a portion of the structure of FIG. 1 in accordance with the present utility model;

fig. 3 is an enlarged view of the structure of the portion a in fig. 1 according to the present utility model.

In the figure: 1. a support rod; 11. a support frame; 12. a support plate; 13. a motor; 14. a driving tooth; 15. a rotating shaft; 16. driven teeth; 17. a hand wheel; 18. a battery; 2. a limiting mechanism; 21. a limiting frame; 22. a guide block; 23. a guide groove; 24. a threaded rod; 25. a fixed sleeve; 26. a knob; 27. a clamping rod; 3. a base; 31. a connecting shaft; 32. an opening and closing handle; 33. a first bevel gear; 34. and a second bevel gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an underground valve safety opening and closing device comprises a supporting rod 1, a supporting frame 11 is arranged on the outer side of the supporting rod 1, a supporting plate 12 is fixedly connected to the supporting rod 1, a motor 13 is fixedly installed on the supporting plate 12, the output end of the motor 13 is rotationally connected with the supporting plate 12, a driving tooth 14 is fixedly connected to the output end of the motor 13, a rotating shaft 15 is connected to the inside of the supporting rod 1 through a bearing, a driven tooth 16 is fixedly connected to the rotating shaft 15, the driving tooth 14 is meshed with the driven tooth 16, a hand wheel 17 is fixedly connected to one end of the rotating shaft 15, a battery 18 is fixedly connected to the supporting plate 12, a limiting mechanism 2 is arranged on the supporting plate 12, and the lower end of the supporting rod 1 is connected with a base 3 through a connecting flange.

Referring to fig. 2-3, a rotating shaft 15 is rotatably connected to the inside of the base 3, a connecting shaft 31 is connected to the inside of the base 3 through a bearing, an opening and closing handle 32 is provided on the connecting shaft 31, a first bevel gear 33 is fixedly connected to the connecting shaft 31, a second bevel gear 34 is fixedly connected to one end of the rotating shaft 15, the first bevel gear 33 is meshed with the second bevel gear 34, the rotating shaft 15 drives the second bevel gear 34 to rotate, the first bevel gear 33 drives the connecting shaft 31 to rotate, and the connecting shaft 31 drives the opening and closing handle 32 to rotate, so that the opening and closing handle 32 closes the valve.

Referring to fig. 2-3, the limiting mechanism 2 comprises a limiting frame 21, a guide block 22, a guide groove 23, a threaded rod 24, a fixing sleeve 25, a knob 26 and a clamping rod 27, wherein the limiting frame 21 is contacted with the supporting plate 12, the guide block 22 is fixedly connected with the supporting plate 12, the guide groove 23 is formed in the limiting frame 21, the guide block 22 is slidably connected with the inside of the guide groove 23, the limiting frame 21 can be limited by the design of the guide groove 23, the threaded rod 24 is connected with the limiting frame 21 by a bearing, the fixing sleeve 25 is fixedly connected with the supporting plate 12, the threaded rod 24 is connected with the fixing sleeve 25 by threads, the knob 26 is fixedly connected with the limiting frame 21 by the design of the fixing sleeve 25, the position of the limiting frame 21 can be adjusted by matching with the threaded rod 24, the knob 26 is contacted with the limiting frame 21, the hand wheel 17 can be conveniently rotated by the design of the knob 26, the clamping rod 27 is fixedly connected with the limiting rod 27 is contacted with the limiting frame 17, the hand wheel 17 by the design of the limiting mechanism 2, and the limiting effect can be achieved by limiting the hand wheel 17.

The specific implementation process of the utility model is as follows: when the rotary switch is used, the knob 26 is rotated to drive the threaded rod 24 to rotate, the threaded rod 24 and the fixed sleeve 25 are in threaded motion, so that the threaded rod 24 drives the limiting frame 21 to move, the limiting frame 21 drives the clamping rod 27 to slide out of the hand wheel 17, limiting on the hand wheel 17 can be relieved, the motor 13 is started or the hand wheel 17 is rotated, the motor 13 drives the driven tooth 16 to rotate through the driving tooth 14, the driven tooth 16 drives the rotating shaft 15 to rotate, the rotating shaft 15 can be driven to rotate through the hand wheel 17 when the battery 18 is not electrified, the rotating shaft 15 drives the second bevel gear 34 to rotate, the first bevel gear 33 drives the connecting shaft 31 to rotate, the connecting shaft 31 drives the opening and closing handle 32 to rotate, and the opening and closing handle 32 is used for closing a valve.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a safe headstock gear of underground valve, includes bracing piece (1), its characterized in that: the utility model discloses a support rod, including support rod (1), fixed connection backup pad (12) on the support rod (1), fixed mounting has motor (13) on backup pad (12), the output and the backup pad (12) of motor (13) rotate to be connected, the output fixedly connected with initiative tooth (14) of motor (13), the inside of support rod (1) is connected with pivot (15) through the bearing, fixedly connected with driven tooth (16) on pivot (15), initiative tooth (14) and driven tooth (16) meshing, the one end fixedly connected with hand wheel (17) of pivot (15), fixedly connected with battery (18) on backup pad (12), be provided with stop gear (2) on backup pad (12), the lower extreme of support rod (1) is through flange joint base (3).

2. The downhole valve safety opening and closing device of claim 1, wherein: the novel automatic lifting device is characterized in that a rotating shaft (15) is rotatably connected to the inside of the base (3), a connecting shaft (31) is connected to the inside of the base (3) through a bearing, an opening and closing handle (32) is arranged on the connecting shaft (31), a first bevel gear (33) is fixedly connected to the connecting shaft (31), a second bevel gear (34) is fixedly connected to one end of the rotating shaft (15), and the first bevel gear (33) is meshed with the second bevel gear (34).

3. The downhole valve safety opening and closing device of claim 1, wherein: stop gear (2) are including spacing (21), guide block (22), guide way (23), threaded rod (24), fixed cover (25), knob (26), clamping lever (27), the contact has spacing (21) on backup pad (12), fixedly connected with guide block (22) on backup pad (12), be connected with threaded rod (24) through the bearing on spacing (21), fixedly connected with clamping lever (27) on spacing (21), clamping lever (27) and hand wheel (17) contact.

4. A downhole valve safety hoist according to claim 3, wherein: the limiting frame (21) is provided with a guide groove (23), and the inside of the guide groove (23) is connected with a guide block (22) in a sliding manner.

5. A downhole valve safety hoist according to claim 3, wherein: the support plate (12) is fixedly connected with a fixing sleeve (25), and the threaded rod (24) is connected with the fixing sleeve (25) through threads.

6. A downhole valve safety hoist according to claim 3, wherein: the threaded rod (24) is fixedly connected with a knob (26), and the knob (26) is contacted with the limiting frame (21).