CN213616538U

CN213616538U - Auxiliary device for maintenance of valve of power plant

Info

Publication number: CN213616538U
Application number: CN202021912001.0U
Authority: CN
Inventors: 何奕; 王晓鸣
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-07-06
Anticipated expiration: 2030-09-03

Abstract

The utility model relates to a valve maintenance technical field just discloses a power plant's valve overhauls auxiliary device of maintenance, including the trailer, the spout of having seted up of trailer outer wall, the spacing groove has all been seted up to both sides around the spout inner wall, the inside of spout is rotated and is connected with first lead screw, first nut seat has been cup jointed in the outer wall activity of first lead screw. The utility model discloses a mode of expansion shrink carries out the centre gripping to the valve, valve inner wall atress direction is various, valve inner wall atress is compared conventional anchor clamps atress equilibrium, be difficult to warp, ensured the form and the structure of valve, and possess good rigidity effect, be difficult to rock in the maintenance operation, the maintenance operation of being convenient for, make the device can adapt to maintenance operation personnel's operating position, reduce operating personnel's the action of bowing, reduce maintenance personnel operation fatigue degree, make things convenient for the operating action of maintenance personnel to the valve simultaneously, indirectly promote maintenance operation precision and operation quality.

Description

Auxiliary device for maintenance of valve of power plant

Technical Field

The utility model relates to a valve maintenance technical field especially relates to an auxiliary device that power plant's valve overhauld and maintained.

Background

In a thermal power plant, special personnel are responsible for the maintenance of internal equipment, and the personnel are generally called turbine maintenance. The various devices in the thermal power plant need to be connected and transmitted by pipelines, so that various valves can be used, and an auxiliary device is needed to assist maintenance for the convenience of maintenance of the various valves.

The prior patent (publication number: CN210795567U) discloses an auxiliary device for valve maintenance, which comprises a device bracket, a guide rail, a universal lifting hook, a clamping connecting rod, a universal rotating component, a fixed lifting hook, a placing box and the like, wherein the device bracket can rotate 360 degrees in the maintenance process, so that the problem of the valve can be observed conveniently, and the device can be moved conveniently. In the prior art, the device causes the valve outer wall atress inhomogeneous easily at the in-process of centre gripping valve, leads to the protective paint of outer wall or makes valve outer wall deformation, and steam turbine crew member need bow many times and squat when checking the different positions of valve in the maintenance, causes the health tired out easily, influences the operation quality.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the difficult turbine engine staff who adapts to different heights of realization to the regulation of valve height, and need the manpower with the valve transport clamping device on, the valve is great for a bit, lead to the transport comparatively inconvenient and intensity of labour is great, and the auxiliary device of a power plant valve maintenance that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an auxiliary device of power plant's valve maintenance, includes the trailer, the spout has been seted up of trailer outer wall, the spacing groove has all been seted up to both sides around the spout inner wall, the inside of spout is rotated and is connected with first lead screw, the base has been cup jointed in the outer wall activity of first lead screw, the outer wall activity of base is pegged graft and is had centre gripping fixing device, the activity of the left side lower extreme of base outer wall is pegged graft and is had the regulation pole, adjust the gear surface of pole right-hand member and seted up spacing hole, the fixed telescopic link of pegging graft of the left lower extreme.

Preferably, centre gripping fixing device includes the axle sleeve, the one end of axle sleeve outer wall runs through the right side of base outer wall and extends to its right-hand, the second lead screw has been cup jointed in the inside activity of axle sleeve, the nut seat has been cup jointed in the right-hand member activity of second lead screw outer wall, the outer wall of nut seat articulates there is the hank pole, the one end of hank pole bottom articulates the right-hand member at the axle sleeve outer wall, the layer board has been cup jointed in the top activity of hank pole, the left side fixedly connected with at layer board top supports the pole, two bar grooves have been seted up on the lug surface of layer board bottom.

Preferably, the top of the first screw rod and the left side of the adjusting rod are fixedly connected with rotating handles, and the right end of the adjusting rod is rotatably connected inside the base.

Preferably, the limiting holes are annularly arranged on the outer wall of the gear at the right end of the adjusting rod, and the axis of the limiting hole at the bottom is superposed with the axis of the telescopic rod.

Preferably, the left end of the outer wall of the shaft sleeve is a tooth surface, and a gear at the right end of the adjusting rod is meshed with the tooth surface of the outer wall of the shaft sleeve.

Preferably, the hinge rod is X-shaped, and two ends of the top of the hinge rod are movably sleeved inside the two strip-shaped grooves respectively.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a mode of expansion shrink carries out the centre gripping to the valve, and valve inner wall atress direction is various, and conventional anchor clamps atress is compared in the valve inner wall atress balanced, is difficult to warp, has ensured the form and the structure of valve, and possesses the fixed effect of good position potential, is difficult to rock in the maintenance operation, the maintenance operation of being convenient for.

(2) The utility model discloses a first lead screw adjustment height for the device can adapt to maintenance operation personnel's operating position, reduces operating personnel's the action of bowing, reduces maintenance personnel operation fatigue degree, makes things convenient for the maintenance personnel to the operation action of valve simultaneously, indirectly promotes maintenance operation precision and operating mass with rated load.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is a right side view of the structure of the present invention;

fig. 3 is an enlarged view of a portion a in the structure diagram 2 of the present invention.

In the figure: 1. carrying out vehicle supporting; 2. a clamping fixture; 21. a shaft sleeve; 22. a second lead screw; 23. a nut seat; 24. a twisting rod; 25. a support plate; 26. a strip-shaped groove; 27. a support rod; 3. a base; 4. a chute; 5. a first lead screw; 6. a limiting groove; 7. adjusting a rod; 8. a limiting hole; 9. a telescopic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, an auxiliary device for maintenance of a valve in a power plant comprises a trailer 1, a chute 4 is arranged on the outer wall of the trailer 1, limiting grooves 6 are arranged on the front side and the rear side of the inner wall of the chute 4, a first lead screw 5 is rotatably connected inside the chute 4, a rotating handle is fixedly connected on the top of the first lead screw 5 and the left side of an adjusting rod 7, the right end of the adjusting rod 7 is rotatably connected inside a base 3, so that the height of a clamping and fixing device 2 can be conveniently adjusted and the clamping degree of the clamping and fixing device 2 to the valve can be conveniently controlled, the base 3 is movably sleeved on the outer wall of the first lead screw 5, a clamping and fixing device 2 is movably inserted on the outer wall of the base 3, the clamping and fixing device 2 comprises a shaft sleeve 21, the left end of the outer wall of the shaft sleeve 21 is a tooth surface, a gear on the right end of, one end of the outer wall of the shaft sleeve 21 penetrates through the right side of the outer wall of the base 3 and extends to the right side of the outer wall, a second screw rod 22 is movably sleeved inside the shaft sleeve 21, a nut seat 23 is movably sleeved at the right end of the outer wall of the second screw rod 22, a hinge rod 24 is hinged on the outer wall of the nut seat 23, the hinge rod 24 is in an X shape, two ends of the top of the hinge rod 24 are respectively movably sleeved inside two strip-shaped grooves 26, one end of the bottom of the hinge rod 24 is hinged at the right end of the outer wall of the shaft sleeve 21, a supporting plate 25 is movably sleeved at the top of the hinge rod 24, a supporting rod 27 is fixedly connected at the left side of the top of the supporting plate 25, two strip-shaped grooves 26 are formed in the surface of a convex block at the bottom of the supporting plate 25, an adjusting rod 7 is movably inserted at the lower end of the left side of the outer wall of the base 3, be convenient for inject a certain rotation angle with centre gripping fixing device 2, avoid steam turbine engine service personnel at maintenance valve in-process, the problem of rotation appears in the valve that dismantles the valve part and lead to, 3 left lower extremes of outer wall of base are fixed to be pegged graft and are had telescopic link 9, carry out the centre gripping to the valve through the mode of expansion shrink, inner wall of the valve atress direction is various, the conventional anchor clamps atress is compared in the inner wall of the valve atress balanced, be difficult to warp, the form and the structure of valve have been ensured, and possess good potential fixed effect, be difficult to rock in the maintenance operation, be convenient for maintenance operation, make the device can adapt to maintenance operation personnel's operating position, reduce operating personnel's the action of bowing, reduce maintenance personnel operation fatigue degree, make things convenient for the operating action of maintenance personnel to the valve simultaneously, indirectly.

The working principle is as follows: when a user uses the device, the flange end of the valve is sleeved outside the three support plates 25, the second screw rod 22 is rotated to drive the nut seat 23 to move leftwards on the second screw rod 22, the three X-shaped hinge rods 24 expand outwards, the other two ends of the X-shaped hinge rods 24 slide in the strip-shaped grooves 26, so that the support plates 25 also expand outwards until the three support plates 25 abut against the inner wall of the flange end of the valve from three directions, the valve is supported and fixed through the outward supporting force and the friction force of the support plates 25, the telescopic rod 9 is contracted to contact the telescopic rod 9 to lock the adjusting rod 7, the rotary adjusting rod 7 drives the shaft sleeve 21 to rotate through gear transmission, one end of the hinge rod 24 is hinged on the outer wall of the shaft sleeve 21, so that the shaft sleeve 21 rotates to drive the hinge rod 24 to drive the nut seat 23 and the support plates 25 to rotate together, the support plates 27 limit the position of the valve, the valve sleeve is prevented from being too deep to be supported on the outer wall of the right side of the trailer 1 to cover some parts on the valve, so that the valve can also rotate together, the valve is convenient to observe and overhaul in an all-around manner, and the supporting plate 25 can be retracted to take down the valve through the reverse operation of the actions.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides an auxiliary device of power plant's valve maintenance, includes trailer (1), its characterized in that, spout (4) have been seted up of trailer (1) outer wall, spacing groove (6) have all been seted up to both sides around spout (4) inner wall, the inside of spout (4) is rotated and is connected with first lead screw (5), base (3) have been cup jointed in the outer wall activity of first lead screw (5), the outer wall activity of base (3) is pegged graft and is had centre gripping fixing device (2), the left side lower extreme activity of base (3) outer wall is pegged graft and is had regulation pole (7), spacing hole (8) have been seted up on the gear surface of regulation pole (7) right-hand member, base (3) the left lower extreme of outer wall is fixed to be pegged graft and is.

2. The auxiliary device for maintenance of the power plant valve, according to claim 1, wherein the clamping and fixing device (2) comprises a shaft sleeve (21), one end of the outer wall of the shaft sleeve (21) penetrates through the right side of the outer wall of the base (3) and extends to the right side of the outer wall of the base, a second lead screw (22) is movably sleeved on the inner portion of the shaft sleeve (21), a nut seat (23) is movably sleeved on the right end of the outer wall of the second lead screw (22), an outer wall of the nut seat (23) is hinged to a hinge rod (24), one end of the bottom of the hinge rod (24) is hinged to the right end of the outer wall of the shaft sleeve (21), a supporting plate (25) is movably sleeved on the top of the hinge rod (24), a supporting rod (27) is fixedly connected to the left side of the top of the supporting plate (25), and two strip-shaped grooves (.

3. A power plant valve maintenance auxiliary device according to claim 1, characterized in that the top of the first screw rod (5) and the left side of the adjusting rod (7) are both fixedly connected with a rotating handle, and the right end of the adjusting rod (7) is rotatably connected inside the base (3).

4. A power plant valve maintenance auxiliary device according to claim 1, characterized in that the limiting holes (8) are annularly arranged on the outer wall of the gear at the right end of the adjusting rod (7), and the axis of the limiting hole (8) at the bottom coincides with the axis of the telescopic rod (9).

5. A power plant valve maintenance auxiliary device according to claim 2, characterized in that the left end of the outer wall of the shaft sleeve (21) is a tooth surface, and the gear at the right end of the adjusting rod (7) is meshed with the tooth surface of the outer wall of the shaft sleeve (21).

6. The auxiliary device for overhauling and maintaining the power plant valve according to claim 2, wherein the hinge rod (24) is X-shaped, and two ends of the top of the hinge rod (24) are movably sleeved inside the two strip-shaped grooves (26) respectively.