CN216098745U - Valve seat dismounting tool of flat gate valve - Google Patents
Valve seat dismounting tool of flat gate valve Download PDFInfo
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- CN216098745U CN216098745U CN202122146877.XU CN202122146877U CN216098745U CN 216098745 U CN216098745 U CN 216098745U CN 202122146877 U CN202122146877 U CN 202122146877U CN 216098745 U CN216098745 U CN 216098745U
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- valve seat
- valve body
- workbench
- negative pressure
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Abstract
The utility model discloses a valve seat dismounting tool of a flat gate valve, which comprises: the valve comprises a valve body and a valve cover connected with the upper end of the valve body, wherein an inlet channel is arranged on one side of the valve body, an outlet channel is arranged on the other side of the valve body, a valve seat is arranged in the valve body between the inlet channel and the outlet channel, the valve seat comprises a left valve seat and a right valve seat, wave springs are respectively arranged between the left valve seat and the valve body and between the right valve seat and the valve body, a flashboard matched with the valve seat is arranged in the valve body at the upper end of the valve seat, the upper end of the flashboard is connected with a valve rod, the upper end of the valve rod extends out of the valve cover and is connected with an adjusting handle, a cavity is arranged in the valve body at the lower end of the valve seat, a lower end cover is arranged at the lower end of the cavity, ejector rods are arranged on two sides of the lower end cover in a sliding mode, and the lower end of the ejector rods extends out of the valve body and is connected with a connector.
Description
Technical Field
The utility model relates to a flat gate valve, in particular to a valve seat dismounting tool of a flat gate valve.
Background
The plate valve is a valve frequently used in the fields of oil, natural gas and the like, the existing plate valve seat dismounting is realized through the hammer and chisel knocking, so that the valve seat and the valve body are separated or combined, the valve seat is very easy to damage in the knocking process, the dismounting is troublesome, the time is long, the working efficiency is low, the operating personnel is dangerous, the labor intensity is high, the valve seat damage can also cause the damage of the sealing surface of the valve body, the maintenance cost is high, even the whole valve body can be directly scrapped, and the overall practicability is reduced.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the valve seat dismounting tool of the flat gate valve is convenient and stable to dismount.
In order to solve the technical problems, the utility model adopts the technical scheme that: disk seat assembly and disassembly tools of plate valve includes: the valve comprises a valve body and a valve cover connected with the upper end of the valve body, wherein an inlet channel is arranged on one side of the valve body, an outlet channel is arranged on the other side of the valve body, a valve seat is arranged in the valve body between the inlet channel and the outlet channel, the valve seat comprises a left valve seat and a right valve seat, wave springs are respectively arranged between the left valve seat and the valve body and between the right valve seat and the valve body, a flashboard matched with the valve seat is arranged in the valve body at the upper end of the valve seat, the upper end of the flashboard is connected with a valve rod, the upper end of the valve rod extends out of the valve cover and is connected with an adjusting handle, a cavity is arranged in the valve body at the lower end of the valve seat, a lower end cover is arranged at the lower end of the cavity, ejector rods are arranged on two sides of the lower end cover in a sliding manner, the lower end of the ejector rod extends out of the valve body and is connected with a connector, and the upper end of the ejector rod extends into a workbench in the cavity, the bilateral symmetry of workstation is provided with negative pressure adsorption equipment, negative pressure adsorption equipment includes: the piston cavity is internally provided with a piston matched with the piston cavity, the workbench at one side of the piston is internally provided with a first liquid inlet pipe communicated with the piston cavity, the workbench at the other side of the piston is internally provided with a second liquid inlet pipe communicated with the piston cavity, the piston is internally provided with a slide bar which is arranged on the workbench in a sliding and penetrating way, one end of the slide bar extending out of the workbench is connected with a negative pressure sucker, the middle part of the workbench is vertically provided with an air pipe, the slide bar is internally provided with air passages respectively, one ends of the air passages are communicated with the negative pressure sucker, the other ends of the air passages are connected with the air passages through corrugated telescopic pipes, the lower end of the workbench is provided with a hydraulic device and a negative pressure device, and the hydraulic device is respectively connected with the first liquid inlet pipe and the second liquid inlet pipe, the negative pressure device is connected with the trachea.
In order to better solve the technical problems, the utility model adopts the further technical scheme that: and a first sealing ring is arranged between the ejector rod and the lower end cover.
In order to better solve the technical problems, the utility model adopts the further technical scheme that: and a second sealing ring is arranged between the sliding rod and the workbench.
In order to better solve the technical problems, the utility model adopts the further technical scheme that: the corrugated expansion pipe is made of rubber materials.
In order to better solve the technical problems, the utility model adopts the further technical scheme that: the lower end cover is connected with the valve body through a connecting bolt.
The utility model has the advantages that: above-mentioned plate valve's disk seat assembly and disassembly tools, novel structure utilizes negative pressure sucking disc can install fast and dismantle the disk seat about, need not pass through the strike of hammer, chisel, can effectively protect disk seat and valve body, easy dismounting, steady, work efficiency is high, and intensity of labour is little, has improved the whole practicality of valve.
Drawings
Fig. 1 is a schematic structural view of a valve seat mounting and dismounting tool of a plate gate valve according to the present invention.
Fig. 2 is an enlarged schematic structural view of the table of fig. 1.
In the figure: 1. the valve comprises a valve body, 2, a valve cover, 3, an inlet channel, 4, an outlet channel, 5, a valve seat, 51, a left valve seat, 52, a right valve seat, 6, a wave spring, 7, a flashboard, 8, a valve rod, 9, an adjusting handle, 10, a cavity, 11, a lower end cover, 12, a mandril, 13, a connector, 14, a workbench, 15, a piston cavity, 16, a piston, 17, a first liquid inlet pipe, 18, a second liquid inlet pipe, 19, a sliding rod, 20, a negative pressure sucker, 21, an air pipe, 22, an air passage, 23, a corrugated telescopic pipe, 24, a hydraulic device, 25, a negative pressure device, 26 and a first sealing ring.
Detailed Description
The details of the present invention are described below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the tool for removing and mounting a valve seat of a flat gate valve includes: the valve comprises a valve body 1 and a valve cover 2 connected with the upper end of the valve body 1, wherein one side of the valve body 1 is provided with an inlet channel 3, the other side of the valve body 1 is provided with an outlet channel 4, a valve seat 5 is arranged in the valve body 1 between the inlet channel 3 and the outlet channel 4, the valve seat 5 comprises a left valve seat 51 and a right valve seat 52, wave springs 6 are respectively arranged between the left valve seat 51 and the valve body 1 and between the right valve seat 52 and the valve body 1, a flashboard 7 mutually matched with the valve seat 5 is arranged in the valve body 1 at the upper end of the valve seat 5, the upper end of the flashboard 7 is connected with a valve rod 8, the upper end of the valve rod 8 extends out of the valve cover 2 to be connected with an adjusting handle 9, a cavity 10 is arranged in the valve body 1 at the lower end of the valve seat 5, a lower end cover 11 is arranged at the lower end of the cavity 10, and ejector rods 12 are arranged on two sides of the lower end cover 11 in a sliding manner, the lower extreme of ejector pin 12 stretches out valve body 1 and is connected with connector 13, the upper end of ejector pin 12 stretches into the interior workstation 14 of cavity 10 and is connected the bilateral symmetry of workstation 14 is provided with negative pressure adsorption equipment, negative pressure adsorption equipment includes: the device comprises a plurality of piston cavities 15 uniformly arranged on a workbench 14, pistons 16 matched with the piston cavities 15 are arranged in the piston cavities 15, a first liquid inlet pipe 17 communicated with the piston cavities 15 is arranged in the workbench 14 on one side of each piston 16, a second liquid inlet pipe 18 communicated with the piston cavities 15 is arranged in the workbench 14 on the other side of each piston 16, a slide rod 19 is arranged in each piston 16, the slide rod 19 is slidably arranged on the workbench 14 in a penetrating manner, one end of each slide rod extending out of the workbench 14 is connected with a negative pressure sucker 20, an air pipe 21 is vertically arranged in the middle of the workbench 14, air passages 22 are respectively arranged in the slide rods 19, one end of each air passage 22 is communicated with the negative pressure sucker 20, the other end of each air passage 22 is connected with the air passage 22 through a corrugated telescopic pipe 23, and a hydraulic device 24 and a negative pressure device 25 are arranged at the lower end of the workbench 14, said hydraulic device 24 is divided into
Respectively connected with the first liquid inlet pipe 17 and the second liquid inlet pipe 18, and the negative pressure device 25 is connected with the air pipe 21.
As shown in fig. 1 and 2, in this example, a first seal ring 26 is provided between the stem 12 and the lower end cap 11 to increase the sealing performance.
As shown in fig. 1 and 2, in this example, a second seal ring is provided between the slide rod 19 and the table 14 to increase the sealing performance.
As shown in fig. 1 and 2, in this example, the bellows 23 is made of a rubber material.
As shown in fig. 1 and 2, in this example, the lower end cap 10 is connected to the valve body 1 by a connecting bolt for easy detachment.
When the valve seat assembling and disassembling tool of the flat gate valve is installed, the left valve seat 51 and the right valve seat 52 are respectively and partially pushed into the corresponding valve seat grooves in the valve body 1, the connector 13 is connected with the cylinder, the cylinder drives the connector 13 to move upwards, the connector 13 drives the ejector rod 12 to move upwards, the ejector rod 12 drives the workbench 14 to move upwards to a position between the left valve seat 51 and the right valve seat 52, hydraulic power is provided through the hydraulic device 24, the hydraulic power enters the piston cavity 15 through the second liquid inlet pipe 18 to push the pistons 16 at two sides to move towards two sides respectively, the pistons 16 drive the corresponding slide rods 19 to move towards two sides, the slide rods 19 at the left side drive the negative pressure suction cups 20 at the left side to move leftwards to abut against the end surfaces of the left valve seat 51, the slide rods 19 at the right side drive the negative pressure suction cups 20 at the right side to move rightwards to abut against the right valve seat 52, the negative pressure device 25 is started, and the negative pressure device 25 is vacuumized through the air pipe 21, air in the left negative pressure sucker 20 and the right negative pressure sucker 20 sequentially passes through the air passage 22, the heat preservation extension tube 23 and the air tube 21 to enter the negative pressure device 25 so that the negative pressure suckers adsorb the left valve seat and the right valve seat, then the hydraulic device 24 continuously increases hydraulic pressure for the liquid inlet tube 18, hydraulic power enters the piston cavity 15 through the second liquid inlet tube 18 so as to push the pistons 16 at the two sides to continuously move towards the two sides respectively, the pistons 16 drive the corresponding slide rods 19 to move towards the two sides, the slide rod 19 at the left side drives the left negative pressure sucker 20 to move towards the left side so as to drive the left valve seat 51 to be inserted into the left valve seat mounting groove in the valve body 1 to be mounted to the left side, the slide rod 19 at the right side drives the right negative pressure sucker 20 to move towards the right side so as to drive the right valve seat 52 to be inserted into the right valve seat mounting groove in the valve body 1 to be mounted to the left side, the valve seat 5 is mounted in place, the negative pressure device 25 stops working, and the negative pressure suckers 20 are separated from the valve seat 5, the hydraulic device 24 provides hydraulic power for the first liquid inlet pipe 17, the hydraulic power enters the piston cavity 15 through the first liquid inlet pipe 17 to push the pistons 16 on the two sides to respectively move towards the middle of the workbench 14 for resetting, and finally the ejector rod 12 is pulled by the cylinder to move downwards, so that the workbench 14 is moved downwards into the air 10.
When the valve seat assembling and disassembling tool of the flat gate valve is disassembled, the cylinder drives the connector 13 to move upwards, the connector 13 drives the mandril 12 to move upwards, the mandril 12 drives the workbench 14 to move upwards between the left valve seat 51 and the right valve seat 52, hydraulic power is provided through the hydraulic device 24, the hydraulic power enters the piston cavity 15 through the second liquid inlet pipe 18 to push the pistons 16 at two sides to move towards two sides respectively, the pistons 16 drive the corresponding slide rods 19 to move towards two sides, the slide rod 19 at the left side drives the negative pressure suction cup 20 at the left side to move leftwards to abut against the end surface of the left valve seat 51, the slide rod 19 at the right side drives the negative pressure suction cup 20 at the right side to move rightwards to abut against the right valve seat 52, the negative pressure device 25 is started, the negative pressure device 25 is vacuumized through the air pipe 21, air in the left and right negative pressure suction cups 20 sequentially passes through the air passage 22, the heat preservation 23 and the air pipe 21 to enter the negative pressure device 25 so that the left and right valve seats are sucked by negative pressure suction cups, the hydraulic device 24 provides hydraulic power for the first liquid inlet pipe 17, the hydraulic power enters the piston cavity 15 through the first liquid inlet pipe 17 to push the pistons 16 on the two sides to move towards the middle of the workbench 14 respectively, the left piston 16 drives the negative pressure sucker 20 on the left sliding rod 19 to move rightwards, so that the left valve seat 51 is pulled to be separated from the valve body 1, the right piston 16 drives the negative pressure sucker 20 on the right sliding rod 19 to move leftwards, the right valve seat 52 is pulled to be separated from the valve body 1 synchronously, the negative pressure device 25 stops working, the negative pressure sucker 20 is separated from the valve seat 5, and the disassembly is completed.
Above-mentioned plate valve's disk seat assembly and disassembly tools, novel structure utilizes negative pressure sucking disc can install fast and dismantle the disk seat about, need not pass through the strike of hammer, chisel, can effectively protect disk seat and valve body, easy dismounting, steady, work efficiency is high, and intensity of labour is little, has improved the whole practicality of valve.
Claims (5)
1. Disk seat assembly and disassembly tools of plate valve, its characterized in that: the method comprises the following steps: the valve comprises a valve body (1) and a valve cover (2) connected with the upper end of the valve body (1), wherein an inlet passage (3) is arranged on one side of the valve body (1), an outlet passage (4) is arranged on the other side of the valve body (1), a valve seat (5) is arranged in the valve body (1) between the inlet passage (3) and the outlet passage (4), the valve seat (5) comprises a left valve seat (51) and a right valve seat (52), wave springs (6) are respectively arranged between the left valve seat (51) and the valve body (1) and between the right valve seat (52) and the valve body (1), a flashboard (7) mutually matched with the valve seat (5) is arranged in the valve body (1) at the upper end of the valve seat (5), the upper end of the flashboard (7) is connected with a valve rod (8), the upper end of the valve rod (8) extends out of the valve cover (2) to be connected with an adjusting handle (9), be provided with cavity (10) in valve body (1) of disk seat (5) lower extreme of cavity (10) is provided with lower extreme cover (11) the both sides of lower extreme cover (11) slide and are provided with ejector pin (12), the lower extreme of ejector pin (12) stretches out valve body (1) and is connected with connector (13), workstation (14) are connected in cavity (10) are stretched into to the upper end of ejector pin (12) the bilateral symmetry of workstation (14) is provided with negative pressure adsorption equipment, negative pressure adsorption equipment includes: the automatic air-conditioning device comprises a plurality of piston cavities (15) uniformly arranged on a workbench (14), pistons (16) matched with the piston cavities are arranged in the piston cavities (15), first liquid inlet pipes (17) communicated with the piston cavities (15) are arranged in the workbench (14) on one side of each piston (16), second liquid inlet pipes (18) communicated with the piston cavities (15) are arranged in the workbench (14) on the other side of each piston (16), sliding rods (19) are arranged in the pistons (16), the sliding rods (19) are slidably arranged on the workbench (14), one ends of the sliding rods extending out of the workbench (14) are connected with negative pressure suckers (20), air pipes (21) are vertically arranged in the middle of the workbench (14), air passages (22) are respectively arranged in the sliding rods (19), one ends of the air passages (22) are communicated with the negative pressure suckers (20), the other end of the air passage (22) is connected with the air passage (22) through a corrugated expansion pipe (23), a hydraulic device (24) and a negative pressure device (25) are arranged at the lower end of the workbench (14), the hydraulic device (24) is respectively connected with the first liquid inlet pipe (17) and the second liquid inlet pipe (18), and the negative pressure device (25) is connected with the air pipe (21).
2. The tool for removing and mounting a valve seat of a plate gate valve according to claim 1, wherein: a first sealing ring (26) is arranged between the ejector rod (12) and the lower end cover (11).
3. The tool for removing and mounting a valve seat of a plate gate valve according to claim 1, wherein: a second sealing ring is arranged between the sliding rod (19) and the workbench (14).
4. The tool for removing and mounting a valve seat of a plate gate valve according to claim 1, wherein: the corrugated expansion pipe (23) is made of rubber materials.
5. The tool for removing and mounting a valve seat of a plate gate valve according to claim 1, wherein: the lower end cover (11) is connected with the valve body (1) through a connecting bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122146877.XU CN216098745U (en) | 2021-09-07 | 2021-09-07 | Valve seat dismounting tool of flat gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122146877.XU CN216098745U (en) | 2021-09-07 | 2021-09-07 | Valve seat dismounting tool of flat gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216098745U true CN216098745U (en) | 2022-03-22 |
Family
ID=80731488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122146877.XU Active CN216098745U (en) | 2021-09-07 | 2021-09-07 | Valve seat dismounting tool of flat gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216098745U (en) |
-
2021
- 2021-09-07 CN CN202122146877.XU patent/CN216098745U/en active Active
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