CN215660282U - Automatic valve operating device - Google Patents

Abstract

The utility model discloses an automatic valve operating device, which comprises a torque generating mechanism and a transmission mechanism connected with the torque generating mechanism; the torque generating mechanism comprises a torque generator (1) and a reaction force arm (2); the transmission mechanism comprises a switching unit (3) connected with the torque generator, a connecting seat (4), a supporting arm (5) uniformly distributed on the connecting seat and a clamping jaw unit (6) arranged on the supporting arm; the clamping jaw unit comprises a sliding sleeve (61), a connecting column (62), a fixed clamping piece (63) fixed with the connecting column, a rotating clamping piece (64), an adjusting column (65) and an adjusting piece (66) arranged on the adjusting column. The automatic valve operating device saves labor, improves operating efficiency, realizes automatic control on opening and closing of the valve, and has good applicability to the size and specification of the valve structure.

Description

Automatic valve operating device

Technical Field

The utility model relates to the technical field of valve operation, in particular to an automatic valve operation device.

Background

Be provided with numerous valves in the nuclear power plant, the valve mostly be electric valve, daily operation adopts the switch of electric drive valve can. Once the machine needs to be stopped for maintenance, the machine can be opened or closed only by manpower. The valves of the nuclear power plant comprise a plurality of long-stroke valves, for example, the long-stroke valves of a TBS-V001A bypass system in a steam turbine factory area need at least 2 operators to manually rotate for about 1500 circles each time, the time is about 40 minutes, the time and the labor are wasted, and the labor intensity of the operators is greatly increased; the high-altitude water supply system also comprises a valve arranged in a high-altitude area, for example, a FWS-V055 main water supply system valve in a steam turbine plant (negative layer fire-fighting system and CCS system) area, the height of the valve is about 3 meters, and an operator needs to operate on a built scaffold, so that time and labor are wasted, and potential safety hazards exist in high-altitude operation.

SUMMERY OF THE UTILITY MODEL

The present invention is to solve the above-mentioned technical problems, and an object of the present invention is to provide an automatic valve operation device which can automatically control the opening and closing of a valve and has good applicability to the size and specification of a valve structure.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

an automatic valve operating device comprises a torque generating mechanism and a transmission mechanism connected with the torque generating mechanism; the torque generating mechanism comprises a torque generator and a reaction force arm connected with the torque generator; the transmission mechanism comprises a switching unit connected with the torque generator, a connecting seat connected with the switching unit, supporting arms uniformly distributed on the connecting seat and clamping jaw units arranged on the supporting arms; the clamping jaw unit comprises a sliding sleeve sleeved on the supporting arm, a connecting column connected with the sliding sleeve, a fixed clamping piece fixed with the connecting column, a rotating clamping piece rotatably connected with one end of the fixed clamping piece, an adjusting column arranged on one surface of the rotating clamping piece far away from the connecting column and an adjusting piece arranged on the adjusting column; the connecting seat on be provided with first connecting hole, first connecting hole in be provided with connecting slot, connecting slot in the vertical setting of first connecting hole inner wall.

Preferably, the connecting column runs through the sliding sleeve and the supporting arm, the supporting arm is provided with a sliding chute for the connecting column to slide, and one end of the connecting column, which is far away from the fixed clamping piece, is provided with a fastener.

Preferably, the connecting column is a threaded column, and the circumferential side wall of the connecting column is provided with a connecting groove; the sliding sleeve is provided with a second connecting hole at the position where the connecting column penetrates through, and the second connecting hole is provided with a bulge matched with the connecting groove.

Preferably, the reaction arm is connected to the valve yoke via a linkage assembly; the connecting rod assembly comprises a first connecting frame connected with the valve yoke, a second connecting frame connected with the reaction force arm, and a plurality of connecting rods and connecting pieces for connecting the first connecting frame and the second connecting frame.

Preferably, the switching unit is a switching block, the switching block includes a torque generator connecting portion and a connecting seat connecting portion, the torque generator connecting portion is provided with a first connecting groove matched with a rotating head of the torque generator, and the connecting seat connecting portion is embedded into the first connecting hole and has a shape matched with the first connecting hole of the connecting seat.

Preferably, the switching unit is a switching gear box, and the switching gear box comprises a first gear and a second gear which are meshed with each other and a box body for accommodating the first gear and the second gear; the box body is connected with the reaction force arm through a connecting unit, the first gear is provided with a second connecting groove matched with the rotating head of the torque generator, one end of the second gear, which is close to the connecting seat, is provided with a step, the step protrudes out of the box body, the step is provided with a bulge matched with the connecting clamping groove, and the second gear is provided with a third connecting hole for a valve rod to pass through; and the box body and the corresponding region of the second connecting groove and the regions corresponding to the two ends of the third connecting hole are respectively provided with corresponding connecting holes.

Preferably, the reaction arm comprises a main body part, a connecting ring arranged at one end of the main body part close to the central axis of the valve, and an adjusting rod arranged at one end of the main body part far from the central axis of the valve; the adjusting rod is provided with a threaded connection part, the main body part is provided with a threaded groove, one end of the threaded groove, which is close to the adjusting rod, is provided with a connection hole for the adjusting rod to pass through, and the threaded groove is meshed with the threaded connection part.

Preferably, the number of the supporting arms is 3; the support arm with the connecting seat pass through bolt and nut subassembly and connect, the bottom of connecting seat be provided with the engaging lug that the support arm is connected, the support arm with the one end that the engaging lug is close to be provided with the mounting hole, the engaging lug with the mounting hole correspond the region and be provided with corresponding the hole, the bolt run through respectively the mounting hole with correspond the hole.

Preferably, one end of the supporting arm, which is far away from the connecting seat, is provided with a limiting baffle.

The utility model has the following beneficial effects:

1. according to the automatic valve operation device, the torque generator provides rotation power under the combined action of the torque generation mechanism and the transmission mechanism, the valve hand wheel connected with the clamping jaw mechanism is driven to rotate through the transmission of the transmission mechanism, and finally, the automatic control on the opening and closing of the valve is realized; the operation risk and the labor intensity are reduced, the working reliability is improved, the operation efficiency is improved, the human resources are saved, and the radiation of personnel is reduced.

2. According to the automatic valve operation device, the switching unit can be a switching block or a switching gear box, and when the valve is a non-rising stem valve, the switching unit is the switching block; when the valve is an open-stem valve, the switching unit is a switching gear box; the clamping jaw unit can move on the supporting arm and is adjusted to a proper position; the valve automatic operation device has strong adjusting performance, can be suitable for valves with more structural sizes and specifications, and has wide applicability.

3. The connecting groove has a limiting effect on the connecting column, the rotation of the connecting column is limited, the stability of the fixed clamping piece is ensured, and the stability of the clamping jaw unit is further ensured.

4. The length of the reaction force arm can be adjusted through adjusting the threaded connection length of the adjusting rod and the main body part, the length of the reaction force arm can be adjusted through adjusting the threaded connection part and the threaded connection length of the threaded groove, the adjustment of the length of the reaction force arm is achieved, the length of the reaction force arm can be adjusted according to the size of a valve hand wheel, and the connection of the reaction force arm and the valve yoke is facilitated.

5. The support arm is connected with the connecting seat through the bolt and nut assembly, the support arm is adjusted to be adjusted in folding and unfolding angles, then the support arm is fixed through the bolt and nut assembly, the applicability of the automatic valve operation device to the size of a valve hand wheel is enhanced on the premise that the support arm is stably connected with the connecting seat, and the application range of the automatic valve operation device is widened.

Drawings

FIG. 1 is a schematic view of an automatic valve operating apparatus according to embodiment 1,

FIG. 2 is a schematic view of an automatic valve operating apparatus according to embodiment 2,

figure 3 is a schematic view of the mounting of the jaw unit,

figure 4 is a schematic view of a jaw unit,

figure 5 is a schematic view of the support arm,

figure 6 is a schematic view of the support base,

figure 7 is a schematic view of a transfer block,

figure 8 is a schematic view of a gear box,

figure 9 is a schematic view of a second gear,

FIG. 10 is a schematic view of the reaction arm;

wherein, 1 is a torque generator, 2 is a reaction force arm, 21 is a main body part, 211 is a thread groove, 22 is a connecting ring, 23 is an adjusting rod, 3 is a switching unit, 31 is a torque generator connecting part, 311 is a first connecting groove, 32 is a connecting seat connecting part, 33 is a first gear, 331 is a second connecting groove, 34 is a second gear, 341 is a step, 342 is a third connecting hole, 35 is a box body, 4 is a connecting seat, 41 is a first connecting hole, 42 is a connecting clamping groove, 43 is a connecting lug, 5 is a supporting arm, 51 is a sliding groove, 52 is a limit baffle, 6 is a clamping jaw unit, 61 is a sliding sleeve, 62 is a connecting column, 63 is a fixed clamping piece, 64 is a rotating clamping piece, 65 is an adjusting column, 66 is an adjusting piece, 67 is a second connecting hole, 68 is a fastening piece, 7 is a connecting unit, and 8 is a connecting rod assembly.

Detailed Description

The present invention will be described in further detail with reference to specific examples.

In the description of the present invention, it should be noted that the terms "above", "below", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that a product of the present invention is conventionally placed when used, and are merely used for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

Fig. 1 is a schematic view of an automatic valve operating device according to embodiment 1, and as shown, the automatic valve operating device includes a torque generating mechanism and a transmission mechanism connected to the torque generating mechanism; the torque generating mechanism comprises a torque generator 1 and a reaction force arm 2 connected with the torque generator 1; the transmission mechanism comprises a switching unit 3 connected with the torque generator 1, a connecting seat 4 connected with the switching unit 3, supporting arms 5 uniformly distributed on the connecting seat 4 and clamping jaw units 6 arranged on the supporting arms 5; fig. 4 is a schematic view of a jaw unit, and as shown in fig. 4, the jaw unit 6 includes a sliding sleeve 61 sleeved on the support arm 5, a connection column 62 connected with the sliding sleeve 61, a fixed clip 63 fixed with the connection column 62, a rotating clip 64 rotatably connected with one end of the fixed clip 63, an adjusting column 65 disposed on a surface of the rotating clip 63 far from the connection column 62, and an adjusting piece 66 disposed on the adjusting column 65; the connecting seat 4 is provided with a first connecting hole 41, a connecting clamping groove 42 is arranged in the first connecting hole 41, and the connecting clamping groove 42 is vertically arranged on the inner wall of the first connecting hole 41. The clamping jaw unit 6 is used for clamping a valve hand wheel, and the rotating clamping piece 64 is rotatably connected with one end, close to the connecting seat 4, of the fixed clamping piece 63.

Fig. 3 is an installation schematic view of the clamping jaw unit, fig. 5 is a schematic view of the support arm, as shown in fig. 3 and 5, the connecting column 62 penetrates through the sliding sleeve 61 and the support arm 5, the support arm 5 is provided with a sliding groove 51 for the connecting column 62 to slide, and one end of the connecting column 62, which is far away from the fixed clamping jaw 63, is provided with a fastener 68. The number of the supporting arms 5 is 3.

Fig. 4 is a schematic view of a jaw unit, as shown in fig. 4, the connecting column 62 is a threaded column, and the circumferential side wall of the connecting column 62 is provided with a connecting groove; the sliding sleeve 61 is provided with a second connecting hole 67 by the connecting column 62, and the second connecting hole 67 is provided with a protrusion matched with the connecting groove. The connecting groove is right the connecting column 62 play a limiting role, the connecting column 62 is limited to rotate, the stability of the fixed clamping piece 63 is guaranteed, and the stability of the clamping jaw unit 6 is further guaranteed.

As shown in fig. 1, the reaction arm 2 is connected to the valve yoke via a linkage assembly 8; the connecting rod assembly 8 comprises a first connecting frame connected with the valve yoke, a second connecting frame connected with the reaction force arm 2, and a plurality of connecting rods and connecting pieces for connecting the first connecting frame and the second connecting frame. The connection angle of the connecting rod assembly 8 is adjusted by adjusting the connecting rod and the connecting piece.

The switching unit 3 is a switching block, fig. 7 is a schematic view of the switching block, as shown in fig. 7, the switching block includes a torque generator connecting portion 31 and a connecting seat connecting portion 32, the torque generator connecting portion 31 is provided with a first connecting groove 311 matched with a rotating head of the torque generator 1, and the connecting seat connecting portion 32 is embedded in the first connecting hole 41 and has a shape matched with the first connecting hole 41 of the connecting seat 4.

Fig. 10 is a schematic view of the reaction force arm, and as shown in fig. 10, the reaction force arm 2 includes a main body 21, a connecting ring 22 disposed at one end of the main body 21 close to the central axis of the valve, and an adjusting rod 23 disposed at one end of the main body 21 far from the central axis of the valve; the adjusting rod 23 is provided with a threaded connection part, the main body part 21 is provided with a threaded groove 211, one end of the threaded groove 211 close to the adjusting rod 23 is provided with a connection hole for the adjusting rod 23 to pass through, and the threaded groove 211 is meshed with the threaded connection part. Through adjusting threaded connection with thread groove 211's spiro union length, the realization is right the length of reaction arm of force 2's regulation, make reaction arm of force 2's length adjust according to the size of valve hand wheel, made things convenient for reaction arm of force 2 with the connection of valve yoke.

Fig. 5 is a schematic diagram of the support arm, as shown in fig. 5, the support arm 5 is connected with the connecting seat through a bolt and nut assembly, the support arm 5 is connected with the connecting seat in a rotating manner, a connecting lug 43 connected with the support arm 5 is arranged at the bottom of the connecting seat, a mounting hole is arranged at one end of the support arm 5 close to the connecting lug, a corresponding hole is arranged in a corresponding area of the connecting lug and the mounting hole, and a bolt penetrates through the mounting hole and the corresponding hole respectively.

As shown in fig. 3, a limiting baffle 52 for preventing the sliding sleeve 61 from falling off is disposed at one end of the supporting arm 5 away from the connecting seat. The limit baffle 52 is welded on the support arm 5.

Example 2

Fig. 2 is a schematic view of an automatic valve operating device according to embodiment 2, and as shown in fig. 2, compared with embodiment 1, embodiment 2 is different in that the adaptor unit is an adaptor gear box. Fig. 8 is a schematic view of a gear box, as shown in fig. 8, which includes a first gear 33 and a second gear 34 engaged with each other and a box body 35 for accommodating the first gear 33 and the second gear 34; the box body 35 is connected with the reaction force arm 2 through a connecting unit 7, and the first gear 33 is provided with a second connecting groove 331 matched with the rotating head of the torque generator 1; fig. 9 is a schematic view of a second gear, as shown in fig. 9, a step 341 is disposed at one end of the second gear 34 close to the connecting seat 4, the step 341 protrudes out of the box body 35, the step 341 is embedded into the first connecting hole 41 and is provided with a protrusion engaged with the connecting slot 42, and the second gear 34 is provided with a third connecting hole 342 for passing through the valve rod; the box body 35 is provided with corresponding connection holes in the corresponding regions of the second connection groove 331 and the corresponding regions of the two ends of the third connection hole 342. The connecting unit 7 comprises a connecting sheet connected with the switching unit 3 and an adjusting ring connected with the connecting sheet, and the adjusting ring is sleeved on the reverse supporting arm 5.

The operation principle of the automatic valve operation device is as follows:

arranging the clamping jaw unit 6 on a valve hand wheel, enabling the sliding sleeve 61 to drive the connecting column 62 to slide on the supporting arm 5 to drive the fixed clamping piece 63 to move so as to adjust the installation position of the clamping jaw unit 6, screwing the fastening piece 68 after the adjustment is completed, enabling the fixed clamping piece 63 and the supporting arm 5 to be relatively fixed, and then rotating the adjusting piece 66 so as to enable the fixed clamping piece 63 and the rotating clamping piece 64 to firmly clamp the valve hand wheel; the switching unit 3 is arranged on the connecting seat 4; the connecting ring 22 of the reaction arm 2 is connected with the torque generator 1, and the reaction arm 2 is connected with the yoke of the valve through the connecting rod assembly 8 so as to fix the torque generator 1 and eliminate the reaction force generated by the torque generator 1.

When the valve needs to be opened or closed, the torque generator 1 is opened to enable the torque generator 1 to rotate forwards or backwards, the switching unit 3 connected with the torque generator 1 is driven to rotate in a transmission mode, the connecting seat 4 connected with the switching unit 3 is driven to rotate, the valve hand wheel connected with the connecting seat 4 is driven to rotate, and then the automatic valve operation device can replace manual operation to achieve automatic opening or closing of the valve.

The above-described preferred embodiments of the present invention are not intended to limit the present invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the claims of the present invention.

Claims (9)

1. An automatic valve operating device is characterized in that: the device comprises a torque generating mechanism and a transmission mechanism connected with the torque generating mechanism; the torque generating mechanism comprises a torque generator (1) and a reaction force arm (2) connected with the torque generator (1); the transmission mechanism comprises a switching unit (3) connected with the torque generator (1), a connecting seat (4) connected with the switching unit (3), supporting arms (5) uniformly distributed on the connecting seat (4) and clamping jaw units (6) arranged on the supporting arms (5); the clamping jaw unit (6) comprises a sliding sleeve (61) sleeved on the supporting arm (5), a connecting column (62) connected with the sliding sleeve (61), a fixed clamping piece (63) fixed with the connecting column (62), a rotating clamping piece (64) rotatably connected with one end of the fixed clamping piece (63), an adjusting column (65) arranged on one surface, far away from the connecting column (62), of the rotating clamping piece (64) and an adjusting piece (66) arranged on the adjusting column (65); the connecting seat (4) is provided with a first connecting hole (41), a connecting clamping groove (42) is arranged in the first connecting hole (41), and the connecting clamping groove (42) is vertically arranged on the inner wall of the first connecting hole (41).

2. An automatic valve operating device according to claim 1, wherein: the connecting column (62) runs through the sliding sleeve (61) and the supporting arm (5), the supporting arm (5) is provided with a sliding chute (51) for the connecting column (62), and the connecting column (62) is far away from one end of the fixed clamping piece (63) and is provided with a fastener (68).

3. An automatic valve operating device according to claim 2, wherein: the connecting column (62) is a threaded column, and the circumferential side wall of the connecting column (62) is provided with a connecting groove; sliding sleeve (61) by spliced pole (62) run through the place be provided with second connecting hole (67), second connecting hole (67) be provided with the connecting groove matched protruding.

4. An automatic valve operating device according to claim 1, wherein: the reaction force arm (2) is connected with the valve yoke through a connecting rod assembly (8); the connecting rod assembly (8) comprises a first connecting frame connected with the valve yoke, a second connecting frame connected with the reaction force arm (2), and a plurality of connecting rods and connecting pieces for connecting the first connecting frame and the second connecting frame.

5. An automatic valve operating device according to claim 1, wherein: switching unit (3) be the switching piece, the switching piece include moment of torsion generator connecting portion (31) and connecting seat connecting portion (32), moment of torsion generator connecting portion (31) be provided with first connecting slot (311) that the rotating head of moment of torsion generator (1) matches, connecting seat connecting portion (32) embedding first connecting hole (41) in and the shape with connecting seat (4) on first connecting hole (41) agree with.

6. An automatic valve operating device according to claim 5, wherein: the switching unit (3) is a switching gear box which comprises a first gear (33) and a second gear (34) which are meshed with each other and a box body (35) used for accommodating the first gear (33) and the second gear (34); the box body (35) is connected with the reaction force arm (2) through a connecting unit (7), the first gear (33) is provided with a second connecting groove (331) matched with a rotating head of the torque generator (1), one end, close to the connecting seat (4), of the second gear (34) is provided with a step (341), the step (341) protrudes out of the box body (35), the step (341) is provided with a bulge matched with the connecting clamping groove (42), and the second gear (34) is provided with a third connecting hole (342) for a valve rod to pass through; the box body (35) and the corresponding area of the second connecting groove (331) and the corresponding area of the two ends of the third connecting hole (342) are respectively provided with corresponding connecting holes.

7. An automatic valve operating device according to claim 1, wherein: the reaction force arm (2) comprises a main body part (21), a connecting ring (22) arranged at one end of the main body part (21) close to the central shaft of the valve and an adjusting rod (23) arranged at one end of the main body part (21) far away from the central shaft of the valve; the adjusting rod (23) is provided with a threaded connection part, the main body part (21) is provided with a threaded groove (211), a connection hole for the adjusting rod (23) to pass through is formed in one end, close to the adjusting rod (23), of the threaded groove (211), and the threaded connection part is meshed with the threaded groove (211).

8. An automatic valve operating device according to claim 1, wherein: the number of the supporting arms is 3; support arm (5) with connecting seat (4) pass through the bolt and nut subassembly and connect, the bottom of connecting seat be provided with engaging lug (43) that support arm (5) are connected, support arm (5) with the one end that the engaging lug is close to be provided with the mounting hole, the engaging lug with the mounting hole correspond the region and be provided with and correspond the hole, the bolt run through respectively the mounting hole with correspond the hole.

9. An automatic valve operating device according to claim 1, wherein: one end of the supporting arm (5) far away from the connecting seat is provided with a limiting baffle plate (52).

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