CN213164689U - Spherical surface repairing and polishing device for slag discharge valve - Google Patents

Spherical surface repairing and polishing device for slag discharge valve Download PDF

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Publication number
CN213164689U
CN213164689U CN202022249166.0U CN202022249166U CN213164689U CN 213164689 U CN213164689 U CN 213164689U CN 202022249166 U CN202022249166 U CN 202022249166U CN 213164689 U CN213164689 U CN 213164689U
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China
Prior art keywords
valve
valve core
shaped frame
slag discharge
discharge valve
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CN202022249166.0U
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Chinese (zh)
Inventor
洪宝强
李海旭
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Inner Mongolia Tooling Valve Co ltd
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Inner Mongolia Tooling Valve Co ltd
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Abstract

The utility model discloses a sphere repairing and polishing device for a slag discharge valve, which comprises a workbench, traveling wheels, a positioning mechanism, a valve core body and a polishing mechanism, wherein the traveling wheels are symmetrically arranged on the bottom surface of the workbench, the top surface of the workbench is provided with the positioning mechanism, an annular guide rail is arranged on the periphery of a flange plate on the top surface of the workbench, the polishing mechanism is arranged in the annular guide rail and comprises a moving rod and other structures, the moving rod is in sliding connection with the annular guide rail, a lead screw vertical to the surface of the valve core body is arranged on the side surface of the moving rod, a V-shaped frame is arranged at the inner side end of the lead screw, the flaring of the V-shaped frame faces the surface of the valve core body, belt wheels are arranged at three vertex positions of the V-shaped frame, the shaft end of one belt wheel is connected with a motor; this application easy operation, labour saving and time saving, the precision of polishing is high, can polish the valve body at the scene, has promoted polishing efficiency greatly, and application prospect ten minutes is considerable.

Description

Spherical surface repairing and polishing device for slag discharge valve
Technical Field
The utility model relates to a valve repair tools technical field, in particular to grinding device is restoreed to sphere for arranging sediment valve.
Background
On a slag discharge pipeline under the coal slurry gasification working condition, the medium has the characteristics of high temperature, high abrasion, strong corrosion and the like of slag water, steam, coal gas and the like, and a valve used on the pipeline is required to have the functions of full circulation, high temperature resistance, abrasion resistance, corrosion resistance and the like, so a slag discharge valve is generally adopted; the structure of the existing slag discharging valve generally comprises a valve body, a valve core, a valve seat, a valve rod, a valve cover, a sealing element and a mounting part, wherein hard alloy materials are respectively sprayed or surfacing welded on the sealing surfaces of the valve core and the valve seat, so that the wear-resisting property of a sealing pair is improved, the valve seat adopts a floating structure, the valve seat and the valve core are prevented from being stuck due to high-temperature expansion, and the slag discharging valve has the characteristics of high temperature resistance.
However, in the working condition of coal slurry gasification, the medium has the characteristics of particles, coking and the like, coal slag can be coked on the sealing surfaces of the valve core and the valve seat, the sealing pair is quickly abraded by the coked substances when the slag discharging valve is opened and closed, the sealing reliability of the product is poor, and the service life is short. After long-term use, the sealing effect of the valve core of the whole slag discharging valve is reduced, the stop function of the whole slag discharging valve can be greatly influenced, air or other fluid enters between the valve core and the valve seat which are scratched by coking materials, the valve core is easily corroded after the air or the fluid acts on the scratched surface, the service life of the slag discharging valve can be greatly shortened, and therefore the valve core needs to be repaired regularly to ensure the sealing performance of the valve core and the valve seat.
At present, when a slag discharging valve needing to be maintained is maintained, a valve core is required to be detached from a pipeline and returned to a maintenance factory for unified maintenance, a grinding method adopted by the valve core is manual grinding, the surface of the valve core to be ground is generally firstly dressed and filed by a file and sand paper, and then the valve core is manually matched and ground by a proper grinding wheel, so that the mode has the defects of high labor intensity, low grinding efficiency, inconvenient field maintenance and the like; and because the characteristics of the valve core per se, the valve core is difficult to fix, clamp and polish in the polishing process, the circumferential degree and roughness of the circular surface of the valve core are difficult to control due to displacement in the polishing process and the like of the molded valve core, the polishing precision is low, and the use effect of the slag discharge valve is further influenced.
Disclosure of Invention
An object of the utility model is to provide a grinding device is restoreed to sphere for arranging sediment valve fixes the case body on mobilizable workstation, treats the case body of polishing at the scene through the rotary grinding machanism of case body and polishes, and it is efficient to polish, and the precision of polishing is high, has effectually solved the problem that proposes among the above-mentioned background art.
The utility model adopts the technical scheme as follows: a spherical surface repairing and polishing device for a slag discharge valve comprises a workbench, traveling wheels, a positioning mechanism, a valve core body and a polishing mechanism, wherein the traveling wheels are symmetrically arranged on the bottom surface of the workbench, the positioning mechanism is arranged on the top surface of the workbench, the positioning mechanism comprises a flange plate, a limiting column, a clamping table, a guide rod, a pressing plate and a long bolt, the flange plate is arranged on the top surface of the workbench, the limiting column is arranged at the center of the flange plate, the valve core body is sleeved on the side wall of the limiting column, the clamping table is arranged at the quarter position on the right side of the flange plate, the guide rod which is vertically upward is symmetrically arranged on the top surface of the clamping table, the pressing plate which is vertically symmetrical is connected on the guide rod in a sliding manner, a valve rod for clamping the valve core body is arranged between the pressing plates, the two ends of the pressing plate are fixedly connected through the, the polishing device comprises a valve core body, a valve core body and a ring-shaped guide rail, and is characterized in that a polishing mechanism is arranged in the ring-shaped guide rail and comprises a moving rod, a lead screw, a V-shaped frame, belt wheels, a motor and a ring-shaped abrasive belt, the moving rod is connected with the ring-shaped guide rail in a sliding mode, the lead screw perpendicular to the surface of the valve core body is arranged on the side face of the moving rod, the V-shaped frame is arranged at the inner side end of the lead screw, flaring of the V-shaped frame faces the surface of the valve core body, the belt wheels are arranged at three top points of the V-.
Furthermore, a handrail is arranged on one side face of the workbench.
Further, the top surface center of ring flange is equipped with the screw hole, the bottom surface of spacing post is equipped with the screw thread head, and screw thread head and screw hole adaptation.
Preferably, the side wall of the limiting column is provided with a through hole, and a rotating rod is inserted in the through hole.
Further, the top surface of spacing post is equipped with the recess.
Further, the upper edge of the limiting column is of any one of an inclined surface structure and an arc surface structure.
Furthermore, a sliding groove is formed in the quarter position on the right side of the flange plate, sliding blocks are arranged on two side edges of the clamping table, and the sliding blocks are matched with the sliding groove.
Furthermore, the V-shaped frame is rotationally connected with the lead screw, and a hand wheel is arranged at the outer side end of the lead screw.
The beneficial effects of the utility model reside in that: the working table, the walking wheels and the handrails are arranged, so that the mobile and the use of the mobile robot are facilitated on site; the displacement of the valve core body can be limited in the radial direction by arranging the limiting column, the limiting column is in threaded connection with the flange plate, the size of the limiting column can be conveniently changed to adapt to different valve core bodies, a groove is machined in the top surface of the limiting column, the weight of the limiting column can be greatly reduced, the limiting column is convenient to change, the upper edge of the limiting column is of any one of an inclined surface structure and a cambered surface structure, the valve core body can be conveniently inserted, and a rotating rod is arranged in a through hole of the limiting column, so that the force can be conveniently applied when the limiting column is disassembled and assembled; the valve core body can limit the displacement of the valve core body in the axial direction by arranging the clamping table, the guide rod and the pressing plate, the clamping table can slide on the flange plate, so that valve core body valve rods with different lengths can be clamped conveniently, and then the pressing plate slides along the guide rod, so that valve core body valve rods with different diameters can be clamped conveniently; the annular guide rail and the polishing mechanism are arranged, so that the polishing mechanism can polish along the circumferential direction of the valve core body, the polishing precision is greatly improved, a lead screw of the polishing mechanism can control the feeding of an annular abrasive belt, and then the V-shaped frame, the belt wheel and the annular abrasive belt of the polishing mechanism can ensure that the annular abrasive belt is attached to the surface of the valve core body during polishing, so that the circumferential degree of polishing is further ensured; this application reasonable in design, easy operation, labour saving and time saving, the precision of polishing is high, can polish the valve body at the scene, has promoted the efficiency of polishing greatly, and application prospect is very considerable.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the workbench.
Fig. 3 is a schematic perspective exploded view of the positioning mechanism.
Fig. 4 is a schematic front sectional view of the limiting column.
Fig. 5 is a schematic perspective view of the grinding mechanism.
In the figure: the device comprises a workbench 1, an annular guide rail 1-1, a traveling wheel 2, a positioning mechanism 3, a flange 3-1, a threaded hole 3-1-1, a sliding groove 3-1-2, a limiting column 3-2, a threaded head 3-2-1, a through hole 3-2-2, a groove 3-2-3, a clamping table 3-3, a sliding block 3-3-1, a guide rod 3-4, a pressing plate 3-5, a long bolt 3-6, a rotating rod 3-7, a valve core body 4, a grinding mechanism 5, a moving rod 5-1, a screw rod 5-2, a V-shaped frame 5-3, a belt wheel 5-4, a motor 5-5, an annular abrasive belt 5-6, a hand wheel 5-7 and a handrail 6.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings, which are only used for illustrating the technical solutions of the present invention and are not limited.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a spherical surface repairing and polishing device for a slag discharge valve comprises a workbench 1, traveling wheels 2, a positioning mechanism 3, a valve core body 4 and a polishing mechanism 5, wherein the traveling wheels 2 are symmetrically installed on the bottom surface of the workbench 1, so that the device can be moved and used on site conveniently, the positioning mechanism 3 is installed on the top surface of the workbench 1, the positioning mechanism 3 comprises a flange 3-1, a limiting column 3-2, a clamping table 3-3, a guide rod 3-4, a pressing plate 3-5 and a long bolt 3-6, the flange 3-1 is fixed on the top surface of the workbench 1 through a countersunk bolt, the central thread of the flange 3-1 is connected with the limiting column 3-2, the valve core body 4 is sleeved on the side wall of the limiting column 3-2, and the clamping table 3-3 is slidably connected at one fourth position on the right side of the flange 3-1, the top surface of the clamping table 3-3 is symmetrically welded with vertical upward guide rods 3-4, the guide rods 3-4 are connected with compression plates 3-5 which are vertically symmetrical in a sliding mode, the valve rod of the valve core body 4 is clamped between the compression plates 3-5, two ends of each compression plate 3-5 are fixedly connected through long bolts 3-6, and the positioning process is as follows: selecting a proper limit column 3-2 according to the model of a valve core body 4, sleeving a flow guide hole of the valve core body 4 on the limit column 3-2, moving a clamping table 3-3 to a proper position, inserting a valve rod of the valve core body 4 between pressing plates 3-5, screwing a long bolt 3-6 to complete the positioning of the valve core body 4, and limiting the displacement of the valve core body 4 in the radial direction and the axial direction, wherein an annular guide rail 1-1 is processed on the periphery of a top flange 3-1 of a working table 1, a polishing mechanism 5 is arranged in the annular guide rail 1-1, the polishing mechanism 5 comprises a moving rod 5-1, a lead screw 5-2, a V-shaped frame 5-3, a belt wheel 5-4, a motor 5-5 and an annular abrasive belt 5-6, the moving rod 5-1 is connected with the annular guide rail 1-1 in a sliding manner, the side surface of the moving rod 5-1 is in threaded connection with a lead screw 5-2 vertical to the surface of the valve core body 4, the inner side end of the lead screw 5-2 is rotatably connected with a V-shaped frame 5-3, the flaring of the V-shaped frame 5-3 faces the surface of the valve core body 4, belt wheels 5-4 are installed at three vertex positions of the V-shaped frame 5-3, a motor 5-5 fixed with the V-shaped frame 5-3 is installed at the shaft end of one belt wheel 5-4, an annular abrasive belt 5-6 is sleeved on each belt wheel 5-4, and the polishing process is as follows: starting the motor 5-5, driving the annular abrasive belt 5-6 to do circular motion around the belt wheel 5-4 by the motor 5-5, slowly rotating the hand wheel 5-7, moving the annular abrasive belt 5-6 towards the outer surface of the valve core body 4, stopping rotating the hand wheel 5-7 after the contact, pulling the moving rod 5-1 to move along the annular guide rail 1-1, and ensuring that the polishing mechanism 5 performs polishing along the circumferential direction of the valve core body 4.
The utility model discloses in, a side welding of workstation 1 has handrail 6, and the application of force of being convenient for promotes this application.
In the utility model discloses, the top surface central processing of ring flange 3-1 has screw hole 3-1-1, the bottom surface processing of spacing post 3-2 has screw thread head 3-2-1, and screw thread head 3-2-1 and screw hole 3-1-1 adaptation, and the change size of being convenient for adapts to different case bodies 4.
As optimization, a through hole 3-2-2 is machined in the side wall of the limiting column 3-2, and a rotating rod 3-7 is inserted in the through hole 3-2-2, so that force can be applied when the limiting column 3-2 is disassembled and assembled conveniently.
In the utility model, the top surface of the limiting column 3-2 is provided with the groove 3-2-3, which can greatly reduce the weight of the limiting column 3-2 and is convenient for replacement.
In the utility model, the upper edge of the limiting column 3-2 is of an inclined plane structure, so that the valve core body 4 can be conveniently inserted.
In the utility model discloses, the right side quarter position department of ring flange 3-1 is processed there is spout 3-1-2, the both sides limit welding of clamping platform 3-3 has slider 3-3-1, and slider 3-3-1 and spout 3-1-2 adaptation, is convenient for press from both sides tightly 4 valve rods of case body to different length.
In the utility model discloses, V-arrangement frame 5-3 rotates with lead screw 5-2 to be connected, the hand wheel 5-7 is installed to the outside end of lead screw 5-2, and V-arrangement frame 5-3 synchro-rotation when avoiding rotatory hand wheel 5-7.
The working process of the device is as follows: when in use: firstly, pushing the valve core body 4 to the position of a slag discharging valve to be maintained, selecting a proper limiting column 3-2 according to the model of the valve core body 4, screwing the limiting column 3-2 on a flange 3-1 by using a rotating rod 3-7, sleeving a flow guide hole of the valve core body 4 on the limiting column 3-2, moving a clamping table 3-3 to a proper position, inserting a valve rod of the valve core body 4 between pressing plates 3-5, screwing and connecting a long bolt 3-6 to complete the positioning of the valve core body 4, and limiting the displacement of the valve core body 4 in the radial direction and the axial direction; then starting a motor 5-5, driving an annular abrasive belt 5-6 to make circular motion around a belt wheel 5-4 by the motor 5-5, slowly rotating a hand wheel 5-7, moving the annular abrasive belt 5-6 towards the outer surface of the valve core body 4, stopping rotating the hand wheel 5-7 after the contact, pulling a moving rod 5-1 to move along an annular guide rail 1-1, and ensuring that the polishing mechanism 5 performs polishing along the circumferential direction of the valve core body 4; this application reasonable in design, easy operation, labour saving and time saving, the precision of polishing is high, can polish the valve body at the scene, has promoted the efficiency of polishing greatly, and application prospect is very considerable.
Although the present invention has been described in detail with reference to the foregoing examples, it will be apparent to those skilled in the art that various changes and modifications can be made in the embodiments described above, or equivalent changes and modifications can be made to some of the technical features of the embodiments described above, and any changes, equivalents, and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. The utility model provides a grinding device is restoreed to sphere for arranging slag valve, includes workstation, walking wheel, positioning mechanism, case body, grinding machanism, its characterized in that: the bottom surface symmetry of workstation is equipped with the walking wheel, the top surface of workstation is equipped with positioning mechanism, positioning mechanism includes ring flange, spacing post, presss from both sides tight platform, guide bar, pressure strip, stay bolt, the ring flange is established at the top surface of workstation, the center of ring flange is equipped with spacing post, the lateral wall of spacing post has cup jointed the case body, the right side quarter position department of ring flange is equipped with and presss from both sides tight platform, the top surface symmetry that presss from both sides tight platform is equipped with vertical ascending guide bar, sliding connection has the pressure strip of symmetry from both sides on the guide bar, and the valve rod of centre gripping case body between the pressure strip, and the both ends of pressure strip carry out fixed connection through stay bolt, the top surface ring flange periphery of workstation is equipped with the ring rail, be equipped with grinding mechanism in the ring rail, grinding mechanism includes carriage release lever, lead screw, V-shaped frame, The movable rod is connected with the annular guide rail in a sliding mode, a lead screw perpendicular to the surface of the valve core body is arranged on the side face of the movable rod, a V-shaped frame is arranged at the inner side end of the lead screw, the flaring of the V-shaped frame faces the surface of the valve core body, belt wheels are arranged at three top points of the V-shaped frame, the shaft end of one belt wheel is connected with a motor fixed with the V-shaped frame, and the annular abrasive belt is arranged on the belt wheels.
2. The spherical surface repairing and polishing device for the slag discharge valve as claimed in claim 1, wherein: and one side surface of the workbench is provided with a handrail.
3. The spherical surface repairing and polishing device for the slag discharge valve as claimed in claim 1, wherein: the top surface center of ring flange is equipped with the screw hole, the bottom surface of spacing post is equipped with the screw thread head, and screw thread head and screw hole adaptation.
4. The spherical surface repairing and polishing device for the slag discharge valve as claimed in claim 3, wherein: the lateral wall of spacing post is equipped with the through-hole, it has the bull stick to peg graft in the through-hole.
5. The spherical surface repairing and polishing device for the slag discharge valve as claimed in claim 1, wherein: the top surface of the limiting column is provided with a groove.
6. The spherical surface repairing and polishing device for the slag discharge valve as claimed in claim 1, wherein: the upper edge of the limiting column is of any one of an inclined surface structure and an arc surface structure.
7. The spherical surface repairing and polishing device for the slag discharge valve as claimed in claim 1, wherein: the right side quarter position department of ring flange is equipped with the spout, the both sides limit of pressing from both sides tight platform is equipped with the slider, and slider and spout adaptation.
8. The spherical surface repairing and polishing device for the slag discharge valve as claimed in claim 1, wherein: the V-shaped frame is rotationally connected with the lead screw, and a hand wheel is arranged at the outer side end of the lead screw.
CN202022249166.0U 2020-10-12 2020-10-12 Spherical surface repairing and polishing device for slag discharge valve Active CN213164689U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022249166.0U CN213164689U (en) 2020-10-12 2020-10-12 Spherical surface repairing and polishing device for slag discharge valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022249166.0U CN213164689U (en) 2020-10-12 2020-10-12 Spherical surface repairing and polishing device for slag discharge valve

Publications (1)

Publication Number Publication Date
CN213164689U true CN213164689U (en) 2021-05-11

Family

ID=75778366

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022249166.0U Active CN213164689U (en) 2020-10-12 2020-10-12 Spherical surface repairing and polishing device for slag discharge valve

Country Status (1)

Country Link
CN (1) CN213164689U (en)

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