CN213197418U

CN213197418U - Valve core clamping device of coal chemical industry lock sediment valve

Info

Publication number: CN213197418U
Application number: CN202022248421.XU
Authority: CN
Inventors: 洪宝强; 李海旭
Original assignee: Inner Mongolia Tooling Valve Co ltd
Current assignee: Inner Mongolia Tooling Valve Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-05-14
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses a valve core clamping device of a coal chemical industry slag locking valve, which comprises a frame, a traveling wheel, a heightening mechanism, a motor, a clamping mechanism and a valve core body, the frame is an L-shaped frame structure formed by welding two cross beams, two vertical beams and three connecting beams, the bottom surface of the cross beam of the frame is provided with traveling wheels, the top surface of the connecting beam at the included angle of the frame is provided with a heightening mechanism, the top surface of the heightening mechanism is provided with a motor, the output shaft end of the motor is provided with a clamping mechanism which comprises a positioning seat and other structures, the positioning seat is fixed with the motor through a positioning bolt, a bearing column is arranged on the right end face of the positioning seat, the side wall of the supporting column is provided with a lead screw, one end of the lead screw is provided with a hand wheel, the other end of the lead screw is provided with a pressing rod, and the side wall of the supporting column is sleeved with a valve core body and is clamped and fixed through the pressing rod; this application presss from both sides tightly effectually, can restore the case body at the scene, has promoted maintenance efficiency greatly, and application prospect is very considerable.

Description

Valve core clamping device of coal chemical industry lock sediment valve

Technical Field

The utility model relates to a valve repair tools technical field, in particular to case clamping device of coal industry lock 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 locking valve is generally adopted; the structure of the existing slag locking valve generally comprises a valve body, a valve core, a valve seat, a valve rod, a valve cover, a sealing piece and a mounting piece, 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 locking valve has the characteristics of high temperature resistance, wear.

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 surface of the valve core and the valve seat, the sealing pair is quickly abraded by the coking materials when the slag locking valve is opened and closed, the sealing reliability of the product is poor, and the service life is short. After the valve element is used for a long time, the sealing effect of the valve element of the whole slag locking valve is reduced, the stopping function of the whole slag locking valve can be greatly influenced, air or other fluid enters the part between the valve element and the valve seat which is scratched by coking materials, the valve element is easily corroded after the air or the fluid acts on the scratched surface, the service life of the slag locking valve can be greatly shortened, and the valve element needs to be repaired regularly to ensure the sealing performance of the valve element and the valve seat.

At present, when a slag locking valve needing to be maintained is maintained, a valve core needs to be detached from a pipeline and returned to a maintenance factory for unified maintenance. This results in slower maintenance and is prone to inconvenient field maintenance.

Disclosure of Invention

An object of the utility model is to provide a case clamping device of coal industry lock sediment valve fixes the case body on clamping mechanism, restores the case body at the scene, has promoted maintenance efficiency greatly, the effectual problem of proposing among the above-mentioned background of having solved.

The utility model adopts the technical scheme as follows: a valve core clamping device of a coal chemical industry slag locking valve comprises a rack, traveling wheels, a heightening mechanism, a motor, a clamping mechanism and a valve core body, wherein the rack is of an L-shaped frame structure formed by welding two cross beams, two vertical beams and three connecting beams, the traveling wheels are symmetrically arranged on the bottom surface of the cross beam of the rack, the heightening mechanism is arranged on the top surface of the connecting beam at the included angle of the rack, the motor is arranged on the top surface of the heightening mechanism, an output shaft of the motor is parallel to the cross beam, the clamping mechanism is arranged at the output shaft end of the motor and comprises a positioning seat, a bearing column, a lead screw, a hand wheel and a pressing rod, a groove for accommodating the output shaft of the motor is arranged on the left end surface of the positioning seat, the positioning seat and the motor are fixed through a positioning bolt, the bearing column is arranged on the right end surface of the, the other end of the lead screw is provided with a pressing rod, and the side wall of the supporting column is sleeved with a valve core body and is clamped and fixed through the pressing rod.

Furthermore, a ribbed plate is arranged between the cross beam and the vertical beam of the rack.

Furthermore, handrails are arranged on the vertical beams of the rack.

Furthermore, a bearing table is arranged on the cross beam of the rack and deviated from the position of the clamping mechanism, and a through hole for accommodating the valve rod is formed in the top surface of the bearing table.

Further, heightening mechanism includes pneumatic cylinder, base, the tie-beam top surface center at frame contained angle department is established to the pneumatic cylinder, the top surface of pneumatic cylinder is equipped with the base of fixed motor, and base and perpendicular roof beam sliding connection.

Furthermore, the lead screw is rotatably connected with the pressing rod, a guide hole parallel to the lead screw is formed in the side wall of the bearing column, a guide rod is arranged in the guide hole, and one end of the guide rod is fixedly connected with the side wall of the pressing rod.

Furthermore, the free end of the pressing rod is provided with a threaded rod, and the free end of the threaded rod is provided with a clamping block for limiting the position of the valve core body.

The beneficial effects of the utility model reside in that: by arranging the clamping mechanism, when the flow guide hole of the valve core body is large, the valve core body can be sleeved on the side wall of the support column, the hand wheel is rotated to drive the pressing rod at the lower part of the screw rod to move downwards to clamp the valve core body, and the threaded rod is rotated to further clamp the valve core body, so that the clamping effect is good, and the maintenance on site is facilitated; by arranging the bearing table, when the flow guide hole of the valve core body is smaller than the diameter of the bearing column, the valve rod of the valve core body can be inserted into the through hole to repair the outer surface and the inner surface of the valve core body; the clamping mechanism is driven to rotate by the motor, so that the damaged position of the spherical surface of the valve core body is further changed, and the valve core is convenient for a professional to repair; by arranging the height adjusting mechanism, the height of the supporting column can be changed, the valve core bodies with different heights can be conveniently dismounted, and the interference between structures when the valve core bodies rotate is avoided; the walking wheels and the handrails are arranged, so that the mobile and the use of the mobile handrail at the site are facilitated; this application reasonable in design, easy operation presss from both sides tight effectual, can restore the case body at the scene, has promoted maintenance efficiency greatly, and application prospect is very considerable.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the main sectional structure of the present invention.

Fig. 3 is a schematic perspective view of the frame.

Fig. 4 is a schematic perspective view of the height adjusting mechanism.

Fig. 5 is a schematic perspective exploded view of the motor and clamping mechanism.

FIG. 6 is a schematic side sectional view of the susceptor and the valve body.

In the figure: the device comprises a frame 1, a cross beam 1-1, a vertical beam 1-2, a connecting beam 1-3, a traveling wheel 2, a height adjusting mechanism 3, a hydraulic cylinder 3-1, a base 3-2, a motor 4, a clamping mechanism 5, a positioning seat 5-1, a groove 5-1-1, a bearing column 5-2, a guide hole 5-2-1, a lead screw 5-3, a hand wheel 5-4, a pressing rod 5-5, a positioning bolt 5-6, a guide rod 5-7, a threaded rod 5-8, a clamping block 5-9, a valve core body 6, a ribbed plate 7, an armrest 8, a bearing table 9 and a through hole 9-1.

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 "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used for convenience of description and simplicity of description only, 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. 1-6, the present invention provides a technical solution: a valve core clamping device of a coal chemical industry slag locking valve comprises a rack 1, traveling wheels 2, a height adjusting mechanism 3, a motor 4, a clamping mechanism 5 and a valve core body 6, wherein the rack 1 is an L-shaped frame structure formed by welding two beams 1-1, two vertical beams 1-2 and three connecting beams 1-3, the traveling wheels 2 are symmetrically arranged on the bottom surface of the beam 1-1 of the rack 1, so that the application can be moved and used on site conveniently, the height adjusting mechanism 3 is arranged on the top surface of the connecting beam 1-3 at the included angle of the rack 1, the height adjusting mechanism 3 comprises a hydraulic cylinder 3-1 and a base 3-2, the hydraulic cylinder 3-1 is fixedly connected to the center of the top surface of the connecting beam 1-3 at the included angle of the rack 1, the base 3-2 is fixedly connected to the top surface of the hydraulic cylinder 3-1, and the base 3-2 is connected with the vertical, the top surface of the base 3-2 is provided with a motor 4, an output shaft of the motor 4 is parallel to the cross beam 1-1, an output shaft end of the motor 4 is provided with a clamping mechanism 5, the clamping mechanism 5 comprises a positioning seat 5-1, a bearing column 5-2, a screw 5-3, a hand wheel 5-4 and a pressing rod 5-5, a groove 5-1-1 for accommodating the output shaft of the motor 4 is processed on the left end surface of the positioning seat 5-1, the positioning seat 5-1 and the motor 4 are fixed through a positioning bolt 5-6, the bearing column 5-2 is welded on the right end surface of the positioning seat 5-1, the side wall of the bearing column 5-2 is in threaded connection with the screw 5-3, one end of the screw 5-3 is provided with the hand wheel 5-4, the other end of the screw 5-3 is rotatably connected with the pressing, the side wall of the supporting column 5-2 is sleeved with a valve core body 6 and is clamped and fixed through a pressing rod 5-5, and the clamping process is as follows: when the flow guide hole of the valve core body 6 is large, the valve core body 6 can be sleeved on the side wall of the support column 5-2, and the hand wheel 5-4 is rotated to drive the pressing rod 5-5 at the lower part of the screw rod 5-3 to move downwards to clamp the valve core body 6.

In the utility model discloses, the welding has floor 7 between crossbeam 1-1 of frame 1 and the perpendicular roof beam 1-2, increases the rigidity between the structure, promotes the life of this application.

In the utility model discloses, the welding has handrail 8 on the perpendicular roof beam 1-2 of frame 1, is convenient for promote this application.

The utility model discloses in, 5 position departments of skew clamping mechanism are installed bearing table 9 on the crossbeam 1-1 of frame 1, the top surface processing of bearing table 9 has the through-hole 9-1 that holds the valve rod, and when the water conservancy diversion hole of case body 6 was less than the bearing post 5-2 diameter, can restore the surface and the internal surface of case body 6 in inserting through-hole 9-1 with the valve rod of case body 6.

The utility model discloses in, lead screw 5-3 rotates with compressing tightly the pole 5-5 to be connected, the lateral wall processing of bearing post 5-2 has guiding hole 5-2-1 parallel with lead screw 5-3, sliding connection has guiding rod 5-7 in guiding hole 5-2-1, and the one end of guiding rod 5-7 and compressing tightly the lateral wall rigid coupling of pole 5-5, when rotatory hand wheel 5-4, avoided personnel to stir compressing tightly pole 5-5 and could get into the trouble in the 6 guiding holes of case body.

In the utility model discloses, the free end of compressing tightly pole 5-5 is equipped with threaded rod 5-8, the free end of threaded rod 5-8 is equipped with the tight piece 5-9 of clamp that restricts case body 6 position, and rotatory tight piece 5-9 of clamp drives threaded rod 5-8 and can further press from both sides tight case body 6, restricts the position of case body 6.

When in use: the method comprises the steps of firstly pushing the valve to the position of a slag locking valve to be maintained, opening a valve seat, when a flow guide hole of a valve core body 6 is large, changing the height of a bearing column 5-2 by adjusting a hydraulic cylinder 3-1, sleeving the valve core body 6 on the side wall of the bearing column 5-2, rotating a hand wheel 5-4 to drive a pressing rod 5-5 at the lower part of a screw rod 5-3 to move downwards to clamp the valve core body 6, rotating a threaded rod 5-8 to further clamp the valve core body 6, driving a clamping mechanism 5 to rotate by a motor 4, further changing the damaged position of the spherical surface of the valve core body 6, and repairing the outer surface of the valve core body 6; when the diameter of the flow guide hole of the valve core body 6 is smaller than that of the support column 5-2, the valve rod of the valve core body 6 can be inserted into the through hole 9-1 to repair the outer surface and the inner surface of the valve core body 6; this application reasonable in design, easy operation presss from both sides tight effectual, can restore case body 6 at the scene, has promoted maintenance efficiency 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

1. The utility model provides a case clamping device of coal industry lock sediment valve, includes frame, walking wheel, heightening mechanism, motor, clamping mechanism, case body, its characterized in that: the frame is two crossbeams and erects the L shape frame construction that three tie-beams welding of roof beam are constituteed, the crossbeam bottom surface symmetry of frame is equipped with the walking wheel, the tie-beam top surface of frame contained angle department is equipped with heightening mechanism, heightening mechanism's top surface is equipped with the motor, and the output shaft of motor is parallel with the crossbeam, the output shaft end of motor is equipped with clamping mechanism, clamping mechanism includes positioning seat, bearing post, lead screw, hand wheel, compressing tightly pole, the left end face of positioning seat is equipped with the recess that holds the motor output shaft, the positioning seat passes through positioning bolt with the motor and fixes, the right-hand member face of positioning seat is equipped with bearing post, bearing post's lateral wall is equipped with the lead screw, the one end of lead screw is equipped with the hand wheel, and the other end of lead screw is equipped with compressing tightly pole, bearing post's lateral.

2. The valve core clamping device of the coal chemical industry slag locking valve according to claim 1, characterized in that: and a ribbed plate is arranged between the cross beam and the vertical beam of the rack.

3. The valve core clamping device of the coal chemical industry slag locking valve according to claim 1, characterized in that: handrails are arranged on the vertical beams of the rack.

4. The valve core clamping device of the coal chemical industry slag locking valve according to claim 1, characterized in that: a bearing table is arranged on a cross beam of the rack and deviates from the position of the clamping mechanism, and a through hole for accommodating the valve rod is formed in the top surface of the bearing table.

5. The valve core clamping device of the coal chemical industry slag locking valve according to claim 1, characterized in that: the height-adjusting mechanism comprises a hydraulic cylinder and a base, the hydraulic cylinder is arranged at the center of the top surface of the connecting beam at the included angle of the frame, the top surface of the hydraulic cylinder is provided with the base for fixing the motor, and the base is connected with the vertical beam in a sliding manner.

6. The valve core clamping device of the coal chemical industry slag locking valve according to claim 1, characterized in that: the lead screw is rotatably connected with the pressing rod, a guide hole parallel to the lead screw is formed in the side wall of the bearing column, a guide rod is arranged in the guide hole, and one end of the guide rod is fixedly connected with the side wall of the pressing rod.

7. The valve core clamping device of the coal chemical industry slag locking valve according to claim 1, characterized in that: the free end of the pressing rod is provided with a threaded rod, and the free end of the threaded rod is provided with a clamping block for limiting the position of the valve core body.