CN213000895U

CN213000895U - Weak casing sand hole seepage plugging device of thermal power steam turbine

Info

Publication number: CN213000895U
Application number: CN202020956439.2U
Authority: CN
Inventors: 王永; 卢文艳; 宋华
Original assignee: Jilin Jichang Electric Power Co ltd
Current assignee: Jilin Jichang Electric Power Co ltd
Priority date: 2020-05-31
Filing date: 2020-05-31
Publication date: 2021-04-20
Anticipated expiration: 2030-05-31

Abstract

The utility model provides a weak casing sand hole seepage plugging device of thermal power steam turbine, includes the shell, the right side wall rigid coupling of shell has horizontal case, the inside of horizontal case is equipped with the motor, the rotation end rigid coupling of motor has the hob, the hob passes through the inside that sealed bearing got into the shell, the sealed bearing rigid coupling is on the shell, the upper surface right side rigid coupling of shell has the mount pad, the inside of mount pad is pegged graft and is had the healant jar, and both parts all are equipped with fixing device around the inside of mount pad, the lateral wall right part is equipped with two cardboards on the inside of shell. Weak casing sand hole seepage plugging device of thermal power steam turbine when discovering the sand hole, need carry out urgent processing, drive the pull rod motion through the handle, through connecting rod control baffle motion, the pull rod motion drives the inside that the card ball card advances different draw-in grooves to this comes fixed stop to be in different positions, has reached can the sand hole carry out quick shutoff effect under emergency.

Description

Weak casing sand hole seepage plugging device of thermal power steam turbine

Technical Field

The utility model relates to the technical field, specific field is a weak casing sand hole seepage plugging device of thermal power steam turbine.

Background

The steam turbine is also called as a steam turbine engine, and is a rotary steam power device.A high-temperature high-pressure steam passes through a fixed nozzle to become an accelerated airflow and then is sprayed onto blades, so that a rotor provided with blade rows rotates, and simultaneously, the rotor does work outwards. The steam turbine is the main equipment of modern thermal power plant, and the hydraulic equipment such as the servomotor of steam turbine bears great pressure and vibration power in the course of working. Because the equipment material is cast iron, the casting defect that is difficult for the discovery exists unavoidably in the casting process, in addition long-time full load operation, the sand hole seepage or the crackle seepage appear very easily in the weak position of casing, make equipment unable normal work, the leakage of hydraulic oil causes very big potential safety hazard for the site work environment simultaneously, seriously threatens the safe serialization production of enterprise, need carry out emergency treatment when discovering the sand hole.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a weak casing sand hole seepage plugging device of thermal power steam turbine to solve the problem that provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a thermal power steam turbine weak shell sand hole leakage plugging device comprises a shell, a transverse box is fixedly connected to the right side wall of the shell, a motor is arranged in the transverse box, a spiral rod is fixedly connected at the rotating end of the motor and enters the shell through a sealing bearing, the sealing bearing is fixedly connected on the shell, the right side of the upper surface of the shell is fixedly connected with a mounting seat, the interior of the mounting seat is spliced with a mending agent tank, and the front part and the rear part inside the mounting seat are both provided with fixing devices, the right part of the upper side wall inside the shell is provided with two clamping plates, the two clamping plates are respectively positioned at two sides of the mending agent tank, a lifting handle is fixedly connected at the center of the top of the shell, a discharge pipe is fixedly connected at the bottom of the left side of the shell, the discharging pipe is communicated with the shell, a flattening device is arranged on the left side of the discharging pipe, and regulating devices are distributed in the discharging pipe in an equilateral triangle shape.

Preferably, the regulation and control device includes a straight section of thick bamboo and fluting, a straight section of thick bamboo rigid coupling in the shell outer wall, the fluting is opened in the outer wall of shell, the grooved inside is equipped with the baffle, the inside of a straight section of thick bamboo is pegged graft and is had the pull rod, the equal rigid coupling of the left and right sides wall of pull rod has a plurality of card ball, the equal rigid coupling of the inside left and right sides wall of a straight section of thick bamboo has straight piece, one side that straight piece is close to the pull rod is opened there is the draw-in groove, the draw-in groove links to each other with card ball joint, the one end rigid coupling of pull rod.

Preferably, the flattening device comprises a support frame, the support frame is fixedly connected to the shell, and a grinding roller is rotatably arranged on the support frame through a connecting shaft.

Preferably, the fixing device comprises a connecting frame, the connecting frame is fixedly connected to the inner wall of the mounting seat, a clamping plate is rotatably mounted on the connecting frame through a rotating shaft, a torsion spring is sleeved on the outer wall of the rotating shaft, and two sides of the torsion spring are respectively in contact with the rotating shaft and the connecting frame.

Preferably, the outer wall of the handle is sleeved with a sponge sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a weak casing sand hole seepage plugging device of thermal power steam turbine, when discovering the sand hole, need carry out urgent processing, drive the pull rod motion through the handle, through connecting rod control baffle motion, pull rod motion drives the inside of card ball card income different draw-in grooves, come fixed stop to be in different positions with this, with the opening area of discharging pipe is adjusted to this, rotate through the hob, carry out the spiral with the healant and extrude, the healant flows to the sand hole from the discharging pipe, the healant is pasted to the roller, use the connecting axle to roll as the pivot point on propping up the frame, it is floating to the healant.

The utility model provides a weak casing sand hole seepage plugging device of thermal power steam turbine has reached and can carry out the effect of quick shutoff by the sand hole under emergency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the discharge tube of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a perspective view of the discharge tube of the present invention;

fig. 5 is a top view of the mounting base of the present invention.

In the figure: 1-shell, 2-horizontal box, 3-sealed bearing, 4-mounting seat, 5-rolling device, 51-supporting frame, 52-rolling roller, 53-connecting shaft, 6-regulating device, 61-connecting rod, 62-pull rod, 63-baffle, 64-blocking ball, 65-straight cylinder, 66-straight block, 67-blocking groove, 68-handle, 69-slotting, 7-fixing device, 71-clamping plate, 72-rotating shaft, 73-connecting frame, 74-torsion spring, 8-motor, 9-mending agent tank, 10-handle, 11-sponge sleeve, 12-screw rod, 13-discharging pipe and 14-blocking plate.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a thermal power steam turbine weak shell sand hole leakage plugging device comprises a shell 1, a transverse box 2 is fixedly connected to the right side wall of the shell 1, a motor 8 is arranged inside the transverse box 2, a spiral rod 12 is fixedly connected to the rotating end of the motor 8, the spiral rod 12 enters the shell 1 through a sealing bearing 3, the sealing bearing 3 is fixedly connected to the shell 1, a mounting seat 4 is fixedly connected to the right side of the upper surface of the shell 1, a repairing agent tank 9 is inserted into the mounting seat 4, the front part and the rear part of the inside of the mounting seat 4 are both provided with fixing devices 7, the right part of the upper side wall of the inside of the shell 1 is provided with two clamping plates 14, and the two clamping plates 14 are respectively positioned at two sides of the mending agent tank 9, a handle 10 is fixedly connected at the center of the top of the shell 1, a discharge pipe 13 is fixedly connected at the bottom of the left side of the shell 1, the discharge pipe 13 is communicated with the shell 1, a flattening device 5 is arranged at the left side of the discharge pipe 13, and regulating devices 6 are distributed in the discharge pipe 13 in an equilateral triangle manner.

Shell 1 is the device's main bearing structure, the inside of horizontal case 2 loads motor 8, motor 8's work drives hob 12 and rotates, carry out the spiral with the healant and extrude, mount pad 4 is used for placing healant jar 9, fixing device 7 carries out the centre gripping with healant jar 9 and fixes, the edge of healant jar 9 is lived to cardboard 14 card, prevent the whereabouts, the inside dress of healant jar 9 holds the material agent that can repair the sand hole, for the iron healant, can carry out the shutoff to the sand hole, install the switch of installation control motor 8 on the handle 10, control motor 8, also be used for holding shell 1, the healant flows to the sand hole department from discharging pipe 13, flattening device 5 is rolled up the healant of laying and is dried with higher speed.

Particularly, regulation and control device 6 includes a straight section of thick bamboo 65 and fluting 69, a straight section of thick bamboo 65 rigid coupling in the outer wall of shell 1, fluting 69 is opened in the outer wall of shell 1, the inside of fluting 69 is equipped with baffle 63, the inside of a straight section of thick bamboo 65 is pegged graft and is had pull rod 62, the equal rigid coupling of the left and right sides wall of pull rod 62 has a plurality of card ball 64, the equal rigid coupling of the inside left and right sides wall of a straight section of thick bamboo 65 has straight piece 66, straight piece 66 is opened near one side of pull rod 62 has draw-in groove 67, draw-in groove 67 links to each other with card ball 64 joint, the one end rigid coupling of pull rod 62.

The regulating and controlling device 6 is used for adjusting the dosage of flowing out of the repairing agent, can adjust according to the size of the sand hole, the straight cylinder 65 carries the pull rod 62, the pull rod 62 controls the baffle 63 through the connecting rod 61, the pull rod 62 moves to drive the clamping ball 64 to be clamped into the inner parts of different clamping grooves 67, so that the fixed baffle 63 is in different positions, the groove 69 enables the baffle 63 to enter and exit the discharge pipe 13, the straight block 66 carries the clamping groove 67, and the pull rod 62 can be controlled by the handle 68.

Specifically, the rolling device 5 includes a support frame 51, the support frame 51 is fixed to the housing 1, and a rolling roller 52 is rotatably mounted on the support frame 51 through a connecting shaft 53.

The support frame 51 can be moved by holding the handle 11, the roller 52 is driven to stick the mending agent, and the mending agent is smoothed by rolling on the support frame 51 by taking the connecting shaft 53 as a rotating point.

Specifically, the fixing device 7 includes a connecting frame 73, the connecting frame 73 is fixedly connected to the inner wall of the mounting base 4, a clamping plate 71 is rotatably mounted on the connecting frame 73 through a rotating shaft 72, a torsion spring 74 is sleeved on the outer wall of the rotating shaft 72, and two sides of the torsion spring 74 are respectively in contact with the rotating shaft 72 and the connecting frame 73.

The fixing device 7 fixes the mending agent tank 9 to prevent the mending agent tank 9 from falling off, and the elastic rotating shaft 72 of the torsion spring 74 rotates on the connecting frame 73 to drive the clamping plate 71 to clamp the mending agent tank 9 for fixing.

Specifically, the outer wall of the handle 10 is sleeved with a sponge sleeve 11.

The sponge sleeve 11 increases the comfort of holding the handle 10.

The working principle is as follows: selecting according to the size of the sand hole, pulling the handle 68 to drive the pull rod 62 to move, controlling the baffle 63 to move through the connecting rod 61, enabling the baffle 63 to enter and exit the discharge pipe 13 through the open slot 69, driving the clamping ball 64 to be clamped into the inside of different clamping grooves 67 through the movement of the pull rod 62, fixing the baffle 63 at different positions so as to adjust the opening area of the discharge pipe 13, placing the mending agent tank 9 with the opening opened into the mounting seat 4, rotating the elastic rotating shaft 72 of the torsion spring 74 on the connecting frame 73 to drive the clamping plate 71 to clamp the mending agent tank 9, aligning the discharge pipe 13 to the sand hole part, pressing the switch on the lifting handle 10 to enable the motor 8 to work to drive the spiral rod 12 to rotate, spirally extruding the mending agent, enabling the mending agent to flow out from the discharge pipe 13 to the sand hole, stopping pressing the switch when the mending agent is enough, holding the lifting handle 10 to move the shell 1 to drive the grinding roller 52 to paste the, the support frame 51 rolls with the connecting shaft 53 as a rotation point to smooth the mending agent and accelerate drying.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and setting are equipped with and all adopt prior art, and conventional model is including circuit connection adopts conventional connection mode among the prior art, and the detail is not repeated here.

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

Claims

1. The utility model provides a weak casing sand hole seepage plugging device of thermal power steam turbine, includes shell (1), its characterized in that: the right side wall rigid coupling of shell (1) has horizontal case (2), the inside of horizontal case (2) is equipped with motor (8), the rotation end rigid coupling of motor (8) has hob (12), hob (12) gets into the inside of shell (1) through sealed bearing (3), sealed bearing (3) rigid coupling is on shell (1), the upper surface right side rigid coupling of shell (1) has mount pad (4), the inside of mount pad (4) is pegged graft and is had mending agent jar (9), and both parts all are equipped with fixing device (7) around the inside of mount pad (4), the inside upper side wall right part of shell (1) is equipped with two cardboard (14), and two cardboard (14) are located the both sides of mending agent jar (9) respectively, the top center department rigid coupling of shell (1) has handle (10) the left side bottom rigid coupling of shell (1) has discharging pipe (13), the discharging pipe (13) is communicated with the shell (1), a flattening device (5) is arranged on the left side of the discharging pipe (13), and regulating devices (6) are distributed in the discharging pipe (13) in an equilateral triangle manner.

2. The weak casing sand hole leakage plugging device of thermal power steam turbine according to claim 1, characterized in that: regulation and control device (6) are including a straight section of thick bamboo (65) and fluting (69), a straight section of thick bamboo (65) rigid coupling is in shell (1) outer wall, fluting (69) are opened in the outer wall of shell (1), the inside of fluting (69) is equipped with baffle (63), the inside of a straight section of thick bamboo (65) is pegged graft and is had pull rod (62), the equal rigid coupling of the left and right sides wall of pull rod (62) has a plurality of card ball (64), the equal rigid coupling of the inside left and right sides wall of a straight section of thick bamboo (65) has straight piece (66), open one side that straight piece (66) are close to pull rod (62) has draw-in groove (67), draw-in groove (67) link to each other with card ball (64) joint, the one end rigid coupling of pull rod (62) has handle (68), the other end of pull rod (62) passes through connecting rod (.

3. The weak casing sand hole leakage plugging device of thermal power steam turbine according to claim 1, characterized in that: the flattening device (5) comprises a support frame (51), the support frame (51) is fixedly connected to the shell (1), and a grinding roller (52) is rotatably mounted on the support frame (51) through a connecting shaft (53).

4. The weak casing sand hole leakage plugging device of thermal power steam turbine according to claim 1, characterized in that: fixing device (7) are including linking frame (73), link frame (73) rigid coupling in the inner wall of mount pad (4), link frame (73) and go up and rotate through pivot (72) and install splint (71), torsion spring (74) have been cup jointed to the outer wall of pivot (72), torsion spring (74) both sides respectively with pivot (72) with link frame (73) contact.

5. The weak casing sand hole leakage plugging device of thermal power steam turbine according to claim 1, characterized in that: the outer wall of the handle (10) is sleeved with a sponge sleeve (11).