CN208579342U - A kind of cigarette air duct self-locking list plug board isolation door - Google Patents
A kind of cigarette air duct self-locking list plug board isolation door Download PDFInfo
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- CN208579342U CN208579342U CN201820486037.3U CN201820486037U CN208579342U CN 208579342 U CN208579342 U CN 208579342U CN 201820486037 U CN201820486037 U CN 201820486037U CN 208579342 U CN208579342 U CN 208579342U
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Abstract
The utility model discloses a kind of cigarette air duct self-locking list plug board isolation doors, including door body, plate, retaining mechanism and driving mechanism；The door body is fixed on pipeline, there is the seal receptacle of corresponding pipeline in door body, door body access panel is arranged in the side of door body, and the list plate is mounted in door body, and driving mechanism passes through door body seal receptacle and connect with plate, retaining mechanism is set in door body, using single driving, realizes that opening and closing and locking are difunctional, equipment cost is greatly lowered, this utility model can guarantee integral sealing efficiency, and economical and practical reduction maintenance workload simultaneously.
Description
Technical field
The utility model belongs to mechanical equipment technical field, is related to a kind of mill for heat power plant boiler pulverized coal preparation system
The isolation door in coal machine import cold-hot wind vertical inlet air duct, especially a kind of cigarette air duct self-locking list plug board isolation door.
Background technique
Coal pulverizer import cold-hot wind isolation door be boiler important ancillary equipment, be installed on heat power plant boiler or other
Make working medium of shutting off in Motivation of enterprises department air and gas system to be used.List plug board isolation door in the prior art is both needed to configuration locking driving
Mechanism just can achieve ideal sealing effect.Equipment manufacturing cost is very high, and drive part cost is much higher than apparatus body.If not adopting
With locking drive mechanism, then interior leakage will be extremely serious.And majority is caused in serious due to the damage of airtight and watertight padding after longtime running
Leakage causes isolation to fail, it has to shut down replacement airtight and watertight padding.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of list with self-locking function
Plug board isolation door reaches sealing effect, and economical and practical.
The purpose of the utility model can be achieved through the following technical solutions:
A kind of cigarette air duct self-locking list plug board isolation door, including door body 1, plate 2, retaining mechanism 3 and driving mechanism 4, institute
It states plate 2 to be mounted in door body 1, driving mechanism 4 is connect with plate 2, and the retaining mechanism 3 is arranged under plate 2；
The door body 1 includes gate seat 11, frame 12, adjustment hand hole 13, cylinder mounting base 15, maintenance velar plate 16, guide rail
Component 17, lower mouth connecting plate 18, the gate seat 11 are mounted on frame 12, frame 12 top setting adjustment hand hole 13,
Lower mouth connecting plate 18 is arranged in the lower part of frame 12, and cylinder mounting base 15 is arranged in the tail portion of frame 12, another on the top of frame 12
Guide assembly 17, the plate 2 and the gate seat 11 in door body 1 is arranged in the inside of frame 12 in setting maintenance velar plate 16 in side
Cooperation；
The plate 2 includes bottom plate 21, reinforced frame 22, roll wheel assembly 24, locking top plate 25, push-and-pull ear 26, cylinder company
Reinforced frame 22 is arranged at the back side of bottom plate 21, at left and right sides of the front end of reinforced frame 22 respectively in extension bar 27, locking backing plate 28
Push-and-pull ear 26 is arranged in 22 one end of reinforced frame in setting locking top plate 25, and the other end of the push-and-pull ear 26 is connect with cylinder
Bar 27 connects, and roll wheel assembly 24 is arranged in quadrangle on the reinforced frame 22, and lock pad is arranged in 22 bottom surface quadrangle of reinforced frame
Plate 28, the plate 2 are mounted on the guide assembly 17 of door body 1 by roll wheel assembly 24；
The retaining mechanism 3 includes two sets of left and right, and every set includes being welded on the intracorporal fore-stock 31 of door, preceding locking lever
32, preceding connecting fork 33, connecting rod 34, back clevis 35, rear locking lever 36, adjusting screw 37, after-poppet 38, preceding locking lever 32
Be fixed on fore-stock 31, preceding connecting fork 33 is connect with preceding locking lever 32,34 both ends of connecting rod respectively with preceding connecting fork 33 and after
Connecting fork 35 connects, and rear locking lever 36 is connect with back clevis 35, and the rear locking lever 36 is installed on after-poppet 38, adjusts
Whole screw 37 is fixed by the threaded hole of rear locking lever 36；
The driving mechanism 4 includes air cylinder support and cylinder, and the cylinder is mounted on air cylinder support, the work of the cylinder
Stopper rod passes through door body 1, is connect by cylinder connecting rod 27 with the push-and-pull ear 26 of plate 2.
Preferably, the door body 1 further includes sealing seat 14, and the sealing seat 14 is arranged in the bottom of frame 12,
The driving mechanism 4 passes through sealing seat 14 and connect with plate 2.
Preferably, the plate 2 further includes sealing ring 23, and the surrounding of bottom plate 21 is arranged in the sealing ring 23.
Preferably, the fore-stock 31 and after-poppet 38 are equipped with mounting hole, and the preceding locking lever 32 is fixed on pin
In the mounting hole of fore-stock 31, the rear locking lever 36 is fixed in the mounting hole of after-poppet 38 with pin.
Preferably, 34 both ends of connecting rod are equipped with screw thread, the connecting rod 34 by the screw thread at both ends and preceding connecting fork 33 and
Back clevis 35 connects.
Preferably, the cylinder is straight trip stroke cylinder.
Preferably, 1 top of the door body setting purging sealing air interface.
The utility model has the following beneficial effects:
(1) the utility model guarantees integral sealing efficiency using precision machined sealing surface；
(2) the utility model avoids the leakage of this isolation door using combined type shaft seal structure；
(3) the utility model reduces maintenance workload using hard sealing surface；
(4) the utility model uses single driving, realizes that opening and closing and locking are difunctional；Equipment cost is greatly lowered.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of cigarette air duct self-locking list plug board isolation door.
Fig. 2 is a kind of side view of cigarette air duct self-locking list plug board isolation door.
Fig. 3 is the side view of door body 1.
Fig. 4 is the structural schematic diagram of plate 2.
Fig. 5 is the side view of plate 2.
Fig. 6 is the bottom view of plate 2.
Fig. 7 is the side view of retaining mechanism 3.
In figure:
1- door body；11- gate seat；12- frame；13- adjusts hand hole；14- sealing seat；15- cylinder mounting base；16- maintenance
Velar plate；17- guide assembly；Mouth connecting plate under 18-；
2- plate；21- bottom plate；22- reinforced frame；23- sealing ring；24- roll wheel assembly；25- locks top plate；26- push-and-pull
Ear；27- cylinder connecting rod；28- locks backing plate；
3- retaining mechanism；31- fore-stock；Locking lever before 32-；Connecting fork before 33-；34- connecting rod；35- back clevis；
Locking lever after 36-；37- adjusting screw；38- after-poppet.
Specific embodiment
In conjunction with shown in attached drawing, the technical solution of the utility model is further described:
Below with reference to specific attached drawing, the utility model is described in further detail.
As shown in FIG. 1 to FIG. 7: the cigarette air duct self-locking list plug board isolation door include door body 1, plate 2, retaining mechanism 3,
Driving mechanism 4, described door body 1 include gate seat 11, frame 12, adjustment hand hole 13, sealing seat 14, cylinder mounting base 15, maintenance
Velar plate 16, guide assembly 17, lower mouth connecting plate 18, the plate 2 include bottom plate 21, reinforced frame 22, sealing ring 23, idler wheel
Component 24, locking top plate 25, push-and-pull ear 26, cylinder connecting rod 27, locking backing plate 28, the retaining mechanism 3 include bracket 31, preceding
Locking lever 32, preceding connecting fork 33, connecting rod 34, back clevis 35, rear locking lever 36, adjusting screw 37.
As shown in FIG. 1 to FIG. 7, self-locking list plug board isolation door in cigarette air duct described in the utility model, including door body 1, plate
2, retaining mechanism 3 and driving mechanism 4；The door body 1 is fixed on vertical pipe, plays a part of to support internal mechanism, door body 1
Side setting maintenance velar plate 16；The plate 2 is mounted in door body 1, and driving mechanism 4 passes through door body sealing seat 14 and inserts
Plate 2 connects, the setting retaining mechanism 3 under plate 2.The promotion plate 2 of driving mechanism 4 bumps against the adjusting screw 37 of retaining mechanism 3
When, rear locking lever 36 is rotated along pin shaft, and the locking in rear locking lever 36 passes through the locking backing plate 28 on plate 2 for plate 2
It jacks up, preceding locking lever 32 synchronization action under the drive of connecting rod 34, makes the sealing ring 23 on plate 2 and the gate seat in door body 1
11 are in close contact, and reach sealing effect；In 2 pumpback of plate, retaining mechanism 3 automatically resets under the effect of gravity.
As shown in FIG. 1 to 3, the door body 1 includes gate seat 11, frame 12, adjustment hand hole 13, sealing seat 14, cylinder
Mounting base 15, maintenance velar plate 16, guide assembly 17, lower mouth connecting plate 18；The gate seat 11 is mounted on frame 12, with top
Pipeline connection；In the top of frame 12 setting adjustment hand hole 13, the mouth connecting plate 18 under the setting of the lower part of frame 12, in frame 12
Bottom be arranged sealing seat 14, frame 12 tail portion be arranged cylinder mounting base 15, frame 12 the top other side be arranged
Velar plate 16 is overhauled, guide assembly 17 is set in the inside of frame 12.Gate seat 11 on plate 2 and door body 1 cooperates.
The plate 2, as shown in Fig. 4~Fig. 6, the plate 2 includes bottom plate 21, reinforced frame 22, sealing ring 23, idler wheel
Component 24, locking top plate 25, push-and-pull ear 26, cylinder connecting rod 27, locking backing plate 28；In the surrounding of the bottom plate 21, sealing is set
Ring 23 is arranged reinforced frame 22 at the back side of bottom plate 21, locking top plate is respectively set at left and right sides of the front end of reinforced frame 22
25, push-and-pull ear 26 is set in 22 one end of reinforced frame, the other end of the push-and-pull ear 26 is connect with cylinder connecting rod 27, in institute
It states quadrangle on reinforced frame 22 and roll wheel assembly 24 is set, locking backing plate 28 is set in 22 bottom surface quadrangle of reinforced frame；The plate
2 are mounted on the guide assembly 17 of door body 1 by roller group 24.
As shown in FIG. 1 to FIG. 7, the driving mechanism 4 includes air cylinder support and the Direct Travel gas being mounted on air cylinder support
Cylinder, the piston rod for stroke cylinder of keeping straight on pass through the sealing seat 14 of door body 1, pass through cylinder connecting rod 27 and drive pin and plate 2
Ear 26 is pushed and pulled to connect.
As shown in fig. 7, the retaining mechanism 3 is divided to or so two sets, every set includes being welded on the intracorporal fore-stock 31 of door, preceding lock
Tight lever 32, preceding connecting fork 33, the connecting rod 34 of locking nut, back clevis 35, rear locking lever 36, adjusting screw composition
37, after-poppet 38.Preceding locking lever 32 is fixed in the mounting hole of fore-stock 31 with pin, preceding connecting fork 33 by pin with
Preceding locking lever 32 connects, and connecting rod 34 is connect by the screw thread at both ends with front and back connecting fork 33,35, and adjustable length and locks
Extremely, rear locking lever 36 is connect by pin with back clevis 35, is installed in after-poppet 38；Adjusting screw 37 is locked after passing through
The threaded hole of lever 36 is fixed.
The course of work and working principle of the utility model: the promotion plate 2 of driving mechanism 4 bumps against the adjustment of retaining mechanism 3
When screw 37, rear locking lever 36 is rotated along pin shaft, and the locking in rear locking lever 36 will by the locking backing plate 28 on plate 2
Plate 2 jacks up, preceding locking lever 32 synchronization action under the drive of connecting rod 34, makes in sealing ring 23 and the door body 1 on plate 2
Gate seat 11 be in close contact, reach sealing effect；In 2 pumpback of plate, retaining mechanism 3 automatically resets under the effect of gravity.
Finally, it should be noted that above embodiments are only to illustrate rather than limit the technical solution of the utility model, although
The utility model is described in detail referring to above-described embodiment, those skilled in the art should understand that: still may be used
To be modified or replaced equivalently to the utility model, without departing from the spirit and scope of the utility model, and appended right
It is required that being intended to these modifications fallen into spirit and scope of the invention or equivalent replacement.
Claims (7)
1. a kind of cigarette air duct self-locking list plug board isolation door, including door body (1), plate (2), retaining mechanism (3) and driving mechanism
(4), it is characterised in that: the plate (2) is mounted in door body (1), and driving mechanism (4) is connect with plate (2), the locking machine
Structure (3) is arranged under plate (2)；
The door body (1) includes gate seat (11), frame (12), adjustment hand hole (13), cylinder mounting base (15), maintenance velar plate
(16), guide assembly (17), lower mouth connecting plate (18), the gate seat (11) is mounted on frame (12), on the top of frame (12)
Gas is arranged in the tail portion of frame (12) in end setting adjustment hand hole (13), the mouth connecting plate (18) under the setting of the lower part of frame (12)
Cylinder mounting base (15), in the top other side of frame (12) setting maintenance velar plate (16), in the inside of frame (12), setting is led
Rail assembly (17), the plate (2) cooperate with the gate seat (11) on door body (1)；
The plate (2) includes bottom plate (21), reinforced frame (22), roll wheel assembly (24), locking top plate (25), push-and-pull ear
(26), reinforced frame (22) are arranged at the back side of bottom plate (21), in reinforced frame in cylinder connecting rod (27), locking backing plate 28
(22) locking top plate (25) is respectively set at left and right sides of front end, push-and-pull ear (26), institute are set in reinforced frame (22) one end
The other end for stating push-and-pull ear (26) is connect with cylinder connecting rod (27), and roll wheel assembly is arranged in quadrangle on the reinforced frame (22)
(24), locking backing plate 28 is set in reinforced frame (22) bottom surface quadrangle, the plate (2) is mounted on door by roll wheel assembly (24)
On the guide assembly (17) of body (1)；
The retaining mechanism (3) includes two sets of left and right, and every set includes being welded on the intracorporal fore-stock of door (31), preceding locking lever
(32), preceding connecting fork (33), connecting rod (34), back clevis (35), rear locking lever (36), adjusting screw (37), after-poppet
(38), preceding locking lever (32) is fixed on fore-stock (31), and preceding connecting fork (33) connect with preceding locking lever (32), connecting rod
(34) both ends are connect with preceding connecting fork (33) and back clevis (35) respectively, and rear locking lever (36) and back clevis (35) are even
It connects, the rear locking lever (36) is installed on after-poppet (38), the screw thread that adjusting screw (37) passes through rear locking lever (36)
Hole is fixed；
The driving mechanism (4) includes air cylinder support and cylinder, and the cylinder is mounted on air cylinder support, the piston of the cylinder
Bar passes through door body (1), is connect by cylinder connecting rod (27) with the push-and-pull ear (26) of plate (2).
2. self-locking list plug board isolation door as described in claim 1, it is characterised in that: the door body (1) further includes sealing
Seat (14), in the bottom in frame (12), the driving mechanism (4) passes through sealing seat (14) for sealing seat (14) setting
It is connect with plate (2).
3. self-locking list plug board isolation door as described in claim 1, it is characterised in that: the plate (2) further includes sealing ring
(23), surrounding of sealing ring (23) setting in bottom plate (21).
4. self-locking list plug board isolation door as described in claim 1, it is characterised in that: the fore-stock (31) and after-poppet
(38) it is equipped with mounting hole, the preceding locking lever (32) is fixed in the mounting hole of fore-stock (31) with pin, is locked after described
Lever (36) is fixed in the mounting hole of after-poppet (38) with pin.
5. self-locking list plug board isolation door as described in claim 1, it is characterised in that: connecting rod (34) both ends are equipped with spiral shell
Line, the connecting rod (34) are connect by the screw thread at both ends with preceding connecting fork (33) and back clevis (35).
6. self-locking list plug board isolation door as described in claim 1, it is characterised in that: the cylinder is straight trip stroke cylinder.
7. self-locking list plug board isolation door as described in claim 1, it is characterised in that: door body (1) the top setting purging
Sealing air interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820486037.3U CN208579342U (en) | 2018-04-08 | 2018-04-08 | A kind of cigarette air duct self-locking list plug board isolation door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820486037.3U CN208579342U (en) | 2018-04-08 | 2018-04-08 | A kind of cigarette air duct self-locking list plug board isolation door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208579342U true CN208579342U (en) | 2019-03-05 |
Family
ID=65503083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820486037.3U Active CN208579342U (en) | 2018-04-08 | 2018-04-08 | A kind of cigarette air duct self-locking list plug board isolation door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208579342U (en) |
-
2018
- 2018-04-08 CN CN201820486037.3U patent/CN208579342U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |