CN212745096U

CN212745096U - Automatic unhooking quick-opening flue gate valve

Info

Publication number: CN212745096U
Application number: CN202021689405.8U
Authority: CN
Inventors: 钱立红; 朱冬青
Original assignee: Tongxing Environmental Protection Technology Co ltd
Current assignee: Tongxing Environmental Protection Technology Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-03-19
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses an automatic unhook quick-open flue slide valve, including the portal, hoisting device is installed on the top of portal, and hoisting device passes through wire rope A and connects automatic unhook ware, and automatic unhook ware is connected with the weight through wire rope B, and the weight is located the weight track of portal front end, the weight still is connected with the valve plate that is located the spout in the middle of the portal through wire rope C, the upper end of portal is installed with the valve plate with the last limit switch in a spout, install the lower limit switch that is located on the portal under the valve plate, lower limit switch stretches to in the spout, the backplate is installed in the opposite of the both sides face of portal lower extreme.

Description

Automatic unhooking quick-opening flue gate valve

Technical Field

The utility model relates to a flue gate valve technical field specifically is an automatic unhook quick-open flue gate valve.

Background

In the fields of metallurgy and coking, various large valves are often needed to change the trend of flue gas in order to smoothly discharge the flue gas and take safety consideration into consideration, wherein a gate valve is a frequently used valve. Different gate valves often control the opening and closing of the valve by means of a screw or a valve stem. However, due to environmental reasons, the screw or the valve stem of the gate valve is prone to dust and rust, and therefore, the gate valve is difficult to open or close after being used for a period of time. Thus the gate valve loses the function which can be played originally.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic unhook quick-open flue gate valve adopts simple and convenient mode more to promote or fall the valve plate, improves the ability that the gate valve system adapts to adverse circumstances, can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an automatic unhook quick-open flue gate valve, includes the portal, the top installation hoisting device of portal, hoisting device pass through wire rope A and connect automatic unhook ware, and automatic unhook ware is connected with the weight through wire rope B, and the weight is located the weight track of portal front end, the weight still is connected with the valve plate that is located the spout in the middle of the portal through wire rope C, the upper limit switch who is in the same spout with the valve plate is installed to the upper end of portal, install the lower limit switch that is located on the portal under the valve plate, lower limit switch stretches to in the spout, the backplate is installed to the both sides face opposition of portal lower extreme.

Preferably, the automatic unhooking device comprises a main board, an adjusting rod, a driving rod, a clamping block and an unhooking body, wherein the middle of the main board is provided with a round hole, the round hole in the middle of the main board is tied on a steel wire rope A, the main board is fixedly provided with the driving rod of the clamping block through one end of the adjusting rod in a movable connection mode, and the bottom end of the main board is rotatably provided with the unhooking.

Preferably, the adjusting rod comprises an upper adjusting rod, a double-headed adjusting bolt with a nut and a lower adjusting rod, the upper adjusting rod is hinged with the main board, the lower adjusting rod is hinged with the driving rod, and the upper adjusting rod and the lower adjusting rod are connected through the double-headed adjusting bolt with the nut.

Preferably, the inner side of the clamping block is provided with a notch which is clamped and embedded with the unhooking convex block.

Preferably, the lifting device adopts a hoisting device or an electric hoist, a fixed pulley A is arranged at the front end of the lifting device, fixed pulleys B are arranged on two sides of the lifting device, the steel wire rope A is wound around the fixed pulleys A, and the two steel wire ropes C are wound around the fixed pulleys B.

Preferably, the top of the heavy hammer is provided with a first fixed support, two first fixed supports are hung on the automatic unhooking device through a steel wire rope B, the outer side of each first fixed support is provided with a second fixed support, and the second fixed support is connected with a third fixed support at the top of the valve plate through a steel wire rope C.

Preferably, the weight has a mass greater than that of the valve plate.

Preferably, the upper limit switch and the lower limit switch are both electrically connected with the lifting device.

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

this system mainly uses gravity and mechanical drive power as the power source, mentions and closes the valve plate through the fixed pulley redirecting to replace connecting pipe fitting with wire rope and connect valve plate and power source. Therefore, the system has the advantages of small occupied area, compact structure, wide application range and strong anti-interference capability.

Drawings

FIG. 1 is a front view of an automatic unhooking quick-opening flue gate valve of the present invention;

FIG. 2 is a side view of the automatic unhooking quick-opening flue gate valve of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged view of the upper end of FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the point A of FIG. 2 according to the present invention;

FIG. 6 is a non-unhooking state diagram of the automatic unhooking device of the present invention;

fig. 7 is a diagram showing the unhooking state of the automatic unhooking device of the present invention.

In the figure: 1. a gantry; 2. a valve plate; 3. a third fixed support; 4. a lifting device; 5. an upper limit switch; 6. a first fixed support; 7. a steel wire rope A; 8. a weight; 9. a guard plate; 10. an automatic unhooking device; 101. a main board; 102. adjusting a rod; 1021. an upper adjusting rod; 1022. a stud adjusting bolt; 1023. a lower adjustment lever; 103. a drive rod; 104. a clamping block; 1041. a recess; 105. unhooking; 1051. a bump; 11. a weight rail; 12. a steel wire rope B; 13. a wire rope C; 14. a lower limit switch; 15. a fixed pulley A; 16. a fixed pulley B; 17. and a second fixed support.

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, an automatic unhooking quick-open type flue gate valve comprises a portal 1, a lifting device 4 is installed at the top end of the portal 1, the lifting device 4 adopts a hoisting device or an electric hoist, the lifting technology is mature, the market purchase is convenient, the lifting device 4 is used for lifting a heavy hammer 8, the lifting device 4 is connected with an automatic unhooking device 10 through a steel wire rope A7, the automatic unhooking device 10 is connected with the heavy hammer 8 through a steel wire rope B12, the heavy hammer 8 is positioned in a heavy hammer rail 11 at the front end of the portal 1, the heavy hammer 8 can slide up and down in the heavy hammer rail 11 when the heavy hammer 8 is lifted or lowered, the heavy hammer 8 is also connected with a valve plate 2 positioned in a middle chute of the portal 1 through a steel wire rope C13, the portal 1 and the valve plate 2 need to have high temperature resistance, the deformation caused by overhigh temperature of smoke is prevented, the mass of the heavy hammer 8 is greater than, the upper end of the portal frame 1 is provided with an upper limit switch 5 which is in a sliding groove with the valve plate 2, a lower limit switch 14 which is positioned on the portal frame 1 is arranged right below the valve plate 2, the lower limit switch 14 extends into the sliding groove, the upper limit switch 5 and the lower limit switch 14 are both electrically connected with the lifting device 4, the upper limit switch 5 and the lower limit switch 14 are both start-stop switches of the lifting device 4, the upper limit switch 5 and the lower limit switch 14 can be limit switches in any forms, the operation position of the valve plate 2 needs to be sensed, the upper limit switch 5 and the lower limit switch 14 are in a power-off state after being touched and pressed, the lifting device 4 stops working, therefore, when the valve plate 2 reaches the upper limit switch 5 on the portal frame 1 and then presses the upper limit switch 5, the lifting device 4 stops working, the two opposite side surfaces at the lower end of the portal frame 1 are provided with guard plates 9, and, the protective plate 9 can be protected on both sides.

A fixed pulley A15 is installed at the front end of the lifting device 4, fixed pulleys B16 are installed on two sides of the lifting device 4, a steel wire rope A7 is wound around the fixed pulley A15, and two steel wire ropes C13 are wound around the two fixed pulleys B16. The top of the weight 8 is provided with a first fixed support 6, two first fixed supports 6 are hung on the automatic unhooking device 10 through a steel wire rope B12, when the lifting device 4 winds up a steel wire rope A7, the first fixed supports 6 are pulled through the automatic unhooking device 10 and the steel wire rope B12 to lift the weight 8, the outer side of each first fixed support 6 is provided with a second fixed support 17, the second fixed supports 17 are connected with a third fixed support 3 at the top of the valve plate 2 through a steel wire rope C13, when the weight 8 is lifted, the valve plate 2 moves downwards under the action of gravity, and if the weight 8 is lowered, the weight 8 lifts the valve plate 2 through the steel wire rope C13 and the third fixed support 3.

Referring to fig. 6-7, the automatic unhooking device 10 includes a main plate 101 having a circular hole in the middle, an adjusting rod 102, a driving rod 103, a latch 104 and an unhooking 105, the circular hole in the middle of the main plate 101 is tied on a steel wire rope a7, the main plate 101 is movably connected with the driving rod 103 having the latch 104 at one end through the adjusting rod 102, the adjusting rod 102 can adjust the swing angle of the driving rod 103, the bottom end of the main plate 101 is rotatably mounted with the unhooking 105, and the latch 104 is connected with the unhooking 105 in a.

The adjusting rod 102 comprises an upper adjusting rod 1021, a double-end adjusting bolt 1022 with a nut and a lower adjusting rod 1023, the upper adjusting rod 1021 is hinged with the main board 101, the lower adjusting rod 1023 is hinged with the driving rod 103, the upper adjusting rod 1021 and the lower adjusting rod 1023 are connected through the double-end adjusting bolt 1022 with the nut, the double-end adjusting bolt 1022 can be adjusted by rotating the nut, the lower adjusting rod 1023 is pushed downwards, the driving rod 103 is pushed to swing, and the clamping block 104 is separated from the unhooking 105. The inner side of the clamping block 104 is provided with a notch 1041 which is clamped with the convex block 1051 of the unhooking 105, so that the clamping of the clamping block 104 and the convex block 1051 can be firmer during clamping.

The lifting device 4 is manually operated to put down the weight 8 through the wire rope A7, and the valve plate 2 is lifted upwards under the gravity of the weight 8. When the valve plate 2 touches the upper limit switch 5 on the gantry 1, the lifting device 4 stops working. At this time, the automatic unhooking quick-opening flue gate valve is in a full-open state. When the automatic unhooking quick-opening flue gate valve needs to be closed, the lifting device 4 is operated to lift the heavy hammer 8, and the self gravity borne by the valve plate 2 is larger than the pulling force of the heavy hammer 8 on the valve plate to slowly descend. When the valve plate 2 touches the lower limit switch 14 at the bottom end of the gantry 1, the lifting device 4 stops working. At this time, the automatic unhooking quick-opening flue gate valve is in a fully closed state. When the process system where the flue valve plate system is located loses power, the lower adjusting rod 1023 is pushed downwards by rotating the nut on the double-head adjusting bolt 1022, the driving rod 103 is pushed to swing, the clamping block 104 is separated from the unhooking 105, the unhooking 105 deflects downwards to open the automatic unhooking device 10, and at the moment, the heavy hammer 8 falls down from a high position to lift the valve plate 2 to open the automatic unhooking quick-opening flue gate valve.

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.

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. An automatic unhooking quick-opening flue gate valve comprises a gate frame (1) and is characterized in that, the top end of the portal frame (1) is provided with a lifting device (4), the lifting device (4) is connected with an automatic unhooking device (10) through a steel wire rope A (7), the automatic unhooking device (10) is connected with a heavy hammer (8) through a steel wire rope B (12), the heavy hammer (8) is positioned in a heavy hammer track (11) at the front end of the portal frame (1), the heavy hammer (8) is also connected with a valve plate (2) positioned in a middle sliding groove of the gantry (1) through a steel wire rope C (13), the upper end of the door frame (1) is provided with an upper limit switch (5) which is in a sliding groove with the valve plate (2), a lower limit switch (14) positioned on the door frame (1) is arranged right below the valve plate (2), the lower limit switch (14) extends into the chute, two side faces of the lower end of the portal frame (1) are oppositely provided with guard plates (9).

2. The automatic unhooking quick-opening flue gate valve according to claim 1, wherein the automatic unhooking device (10) comprises a main plate (101) with a circular hole in the middle, an adjusting rod (102), a driving rod (103), a clamping block (104) and a unhooking device (105), the circular hole in the middle of the main plate (101) is tied on a steel wire rope A (7), the main plate (101) is movably connected with the driving rod (103) with the clamping block (104) at one end through the adjusting rod (102), and the bottom end of the main plate (101) is rotatably provided with the unhooking device (105).

3. The automatic unhooking quick-opening flue gate valve according to claim 2, characterized in that the adjusting rod (102) comprises an upper adjusting rod (1021), a threaded stud adjusting bolt (1022) and a lower adjusting rod (1023), the upper adjusting rod (1021) being hinged to the main plate (101), the lower adjusting rod (1023) being hinged to the driving rod (103), the upper adjusting rod (1021) and the lower adjusting rod (1023) being connected by a threaded stud adjusting bolt (1022).

4. The automatic unhooking quick-opening flue gate valve according to claim 2, wherein the inner side of the fixture block (104) is provided with a notch (1041) which is clamped and embedded with the convex block (1051) of the unhooking hook (105).

5. The automatic unhooking quick-opening flue gate valve according to claim 1, wherein the lifting device (4) adopts a hoisting device or an electric hoist, a fixed pulley A (15) is installed at the front end of the lifting device (4), fixed pulleys B (16) are installed on two sides of the lifting device (4), the steel wire rope A (7) is wound around the fixed pulley A (15), and the two steel wire ropes C (13) are wound around the two fixed pulleys B (16).

6. The automatic unhooking quick-opening flue gate valve according to claim 1, wherein a first fixed support (6) is arranged at the top of the heavy hammer (8), two first fixed supports (6) are hung on the automatic unhooking device (10) through a steel wire rope B (12), a second fixed support (17) is arranged on the outer side of each first fixed support (6), and the second fixed support (17) is connected with a third fixed support (3) at the top of the valve plate (2) through a steel wire rope C (13).

7. The automatic unhooking quick-opening flue gate valve according to claim 1, characterized in that the mass of the weight (8) is greater than the mass of the valve plate (2).

8. The automatic unhooking quick-opening flue gate valve according to claim 1, characterized in that the upper limit switch (5) and the lower limit switch (14) are both electrically connected with the lifting device (4).