CN201925535U - Large hydraulic variable-speed buoyancy tank flap valve - Google Patents
Large hydraulic variable-speed buoyancy tank flap valve Download PDFInfo
- Publication number
- CN201925535U CN201925535U CN2011200351480U CN201120035148U CN201925535U CN 201925535 U CN201925535 U CN 201925535U CN 2011200351480 U CN2011200351480 U CN 2011200351480U CN 201120035148 U CN201120035148 U CN 201120035148U CN 201925535 U CN201925535 U CN 201925535U
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- door leaf
- flap valve
- buoyancy tank
- hinged
- tank flap
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Abstract
The utility model discloses a large hydraulic variable-speed buoyancy tank flap valve which comprises a hinge seat (1), a door seat (3), an upper door leaf (5) and a lower door leaf (8), wherein the door seat (3) and the hinge seat (1) are respectively fixed on a base of a pump station; the upper door leaf (5) is hinged with the hinge seat (1) via a pin shaft (2); the lower door leaf (8) is hinged with the upper door leaf (5); the upper door leaf (5) and the lower door leaf (8) are in sealable contact and match with the door seat (3) via a sealing structure; the upper door leaf (5) is connected with the lower door leaf (8) via at least one pair of hydraulic mechanisms (7); and one ends of the hydraulic mechanisms (7) are hinged with the upper door leaf (5), and the other ends of the hydraulic mechanisms are hinged with the lower door leaf (8). After the structure is adopted, as the upper door leaf and the lower door leaf are provided with the hydraulic mechanisms, the impact force of the door leaves and the door seat can be buffered through the hydraulic mechanisms, the damage to a water seal rubber which is used for sealing the door leaves and the door seat is reduced, and the cost is reduced; in addition, the noise generated in impact is reduced.
Description
Technical field
The utility model relates to the accessory of irrigation and drainage pumping station, specifically is the large hydraulic speed change buoyancy tank flap valve that a kind of water pump that is applied to irrigation and drainage pumping station dams when shutting down.
Background technique
Irrigation and drainage pumping station is the synthesis for the water plug that irrigation, draining are provided with, water inlet and outlet building, pump house and affiliated facility.Flap valve is one of important spare part in the irrigation and drainage pumping station, and it is to be used for the accessory that irrigation and drainage pumping station dams when water pump is shut down, and it mainly acts on is to stop that outer river flows backwards.At present, flap valve commonly used has the counterweight of extension cast iron flap valve, buoyancy tank flap valve and the flap valve of freely turning on one's side, and wherein the most frequently used is the buoyancy tank flap valve.Usually the buoyancy tank flap valve is divided into circular buoyancy tank flap valve and square buoyancy tank flap valve, for square buoyancy tank flap valve, it generally by door leaf (for larger-size large-scale flap valve, each door leaf is made up of last door leaf and following door leaf usually), gate seat and free bearing etc. form, following door leaf and last door leaf are hinged, last door leaf is hinged on the free bearing, and door leaf and gate seat are tightly connected.Flap valve was closed when the water pump of pumping plant was shut down, and when water pump was started shooting, the strength by current was opened flap valve.
But for large-scale buoyancy tank flap valve (general size is at 3 meters * flap valve more than 3 meters), there is following shortcoming in this structure:
1) because for large-scale buoyancy tank flap valve, increase gradually along with size, the weight of door leaf also increases gradually, therefore, closing when flap valve is door leaf when closing up, and the impact force of door leaf and gate seat also increases gradually, like this, damage to the water shutoff rubber that is used to seal door leaf and gate seat is also very serious, causes the replacing of water shutoff rubber more frequent, corresponding increase cost; Simultaneously, heavy door leaf has also produced very big noise when clashing into gate seat, thereby has influenced the working environment of pumping plant.
2) door leaf of prior art normally is welded with two fixed plates that size dimension is the same up and down with the sealing configuration of gate seat on gate seat, on fixed plate, be equipped with through hole, earlier there is the water shutoff rubber of perk to put between two fixed plates at an end during assembling, tighten after passing through hole on the fixed plate with bolt and nut again, and respectively there are a plurality of sealing configurations on the both sides of gate seat, in other words, need beat a lot of individual through holes, therefore, the assembly process of this structure bothers very much; Simultaneously, the decrement of water shutoff rubber is little in this structure, along with the increase of door leaf size, only depends on the decrement of this water shutoff rubber not satisfy seal request between door leaf and the gate seat.
3) hinged place of last door leaf and free bearing is provided with circular hole usually in the prior art on free bearing; last door leaf is hinged in the circular hole by bearing pin; this structure usually can be spacing in certain with the articulating point of going up door leaf; stiff; and whole door leaf has length dimension, and along with the size of door leaf is increasing, the door leaf of close hinged place and the sealing effect of gate seat are not bad; but the sealing effect away from the door leaf of hinged place and gate seat is just very poor, and this will cause the generation of seepage phenomenon.
4) ratio between the door leaf up and down of door leaf is generally that door leaf is big, door leaf is little down in the prior art, like this, under the not too big situation of river discharge, opens door leaf down earlier, opens door leaf when flow increases again; But, under the situation that door leaf is little down, always descend door leaf not satisfy flow requirements usually at all, always need to open again door leaf; Like this, power consumption is big, is unfavorable for energy-conservation.
The model utility content
Technical problem to be solved in the utility model is, a kind of damage that can reduce the water shutoff rubber is provided, and can reduces the large hydraulic speed change buoyancy tank flap valve of door leaf impact noise.
For solving the problems of the technologies described above, the large hydraulic speed change buoyancy tank flap valve that the utility model provides, comprise free bearing, gate seat, go up door leaf and following door leaf, described gate seat and free bearing all are fixed on the pumping plant pedestal, described upward door leaf and free bearing are hinged by bearing pin, described door leaf down and last door leaf are hinged, described upward door leaf and following door leaf are by sealing configuration and the salable contact matching of gate seat, the described door leaf of going up is connected with following door leaf by at least one pair of hydraulic mechanism, one end and the last door leaf of described hydraulic mechanism are hinged, and the other end is hinged with following door leaf.
Described hydraulic mechanism comprises upper bracket, lower support frame, cylinder barrel, piston and piston rod; Wherein, an end of described upper bracket is connected with last door leaf, and the other end and cylinder barrel are hinged, and described piston is slidingly fitted in the cylinder barrel, and an end of piston rod is connected with piston, and an end of the other end and lower support frame is hinged, and the other end of lower support frame is connected with following door leaf.
End near lower support frame in the described cylinder barrel is connected with shrouding, and described shrouding and piston rod are slidingly matched, and have a plurality of tapped holes on the shrouding, the described tapped hole plug screw that can be threaded.
Described hydraulic mechanism is two pairs, and symmetry is installed in the left and right sides of flap valve respectively, and is communicated with by equalizing pipe between two pairs of hydraulic mechanisms.
Described equalizing pipe is two, and an end of every equalizing pipe is communicated with the cylinder barrel of two pairs of hydraulic mechanisms respectively, and the other end connects by joint and communicates.
The described sealing configuration of going up between door leaf and following door leaf and the gate seat comprises that upper mounted plate, bottom plate and an end have the water shutoff rubber of perk, described upper mounted plate is vertically welded on the gate seat, described bottom plate tilts to be welded on the gate seat, form the little inner chamber of free end aperture efficiency fixed end opening, the not perk end of described water shutoff rubber is embedded in the inner chamber.
The described sealing configuration of going up between door leaf and the following door leaf comprises that side fixed plate, end fixed plate and an end have the water shutoff rubber of perk, fixed plate of the described end is vertically welded in down on the door leaf, the side fixed plate tilts to be welded on a side of end fixed plate, form the little cavity of free end aperture efficiency fixed end opening, the not perk end of described water shutoff rubber is embedded in the cavity.
Described hinged place of going up door leaf and free bearing has waist shaped hole, and described pin slide is engaged in the waist shaped hole.
The described size that goes up the size of door leaf less than following door leaf.
After adopting above structure, the utility model compared with prior art has following advantage:
1) owing on the door leaf hydraulic mechanism is being installed up and down, by this medium of water, closing when flap valve is that door leaf is when closing up, the impact force of door leaf and gate seat can cushion by hydraulic mechanism, like this, reduce the damage of the water shutoff rubber that is used to seal door leaf and gate seat, thereby reduced the frequent replacing to the water shutoff rubber, corresponding reducing cost; Simultaneously, also alleviate the noise that has produced when heavy door leaf clashes into gate seat, thereby guaranteed the normal operation circumstances of pumping plant;
2) in addition, utilize the cooperation quantity of plug screw, come the flow of controlled water flow by cylinder barrel at the shrouding upper screwed hole, thus the movement velocity of control piston and piston rod, and then the speed of closing the door of control door leaf.
3) between two hydraulic mechanisms, increased equalizing pipe and be communicated with, made the flow that keeps the current of balance between the hydraulic mechanism of both sides, in other words, the piston of the left and right sides and the movement velocity of piston rod have been consistent, made the state of closing the door of door leaf more steady; In addition, adopt the structure of two equalizing pipes and joint, make installation and keep in repair convenient.
4) directly the last bottom plate in the sealing configuration is welded on the gate seat, has cancelled the operation of getting through the hole in the prior art on last bottom plate, then the water shutoff rubber is directly embedded between the bottom plate, therefore, assembly process is very simple and convenient quick; Again because the inclination of bottom plate welding, the opening of free end formation that makes bottom plate is less than the opening of fixed end, so the water shutoff rubber is embedded between the bottom plate very securely; In addition, strengthened the size of water shutoff rubber after, the perk part area of water shutoff rubber is increased, thereby has strengthened the decrement of water shutoff rubber, be fit to the seal request of large-sized door leaf and gate seat more; As a same reason, the sealing configuration difference between last door leaf and the following door leaf has above-mentioned effect.
5) will go up on the door leaf circular hole with the hinged place of free bearing and make waist shaped hole into after, make the bearing pin of hinged place that movable leeway be arranged slightly, that is to say, this articulating point have more than be spacing certain a bit on, like this, along with the increase of door leaf size, even away from the sealing configuration at articulating point place also with sealing configuration keeping parallelism near the articulating point place, therefore, the sealing effect of upper-lower seal structure is all better, the seepage phenomenon can't occur.
6) ratio between the door leaf up and down of door leaf is changed into door leaf is little, door leaf is big down, like this, under the not too big situation of river discharge, only open door leaf down, can guarantee the demand of river discharge basically, do not need always to open door leaf; Like this, it is little to consume energy, and helps energy-conservation more.
Description of drawings
Fig. 1 is the main TV structure schematic representation of the utility model large hydraulic speed change buoyancy tank flap valve;
Fig. 2 is the side-looking structural representation of the utility model large hydraulic speed change buoyancy tank flap valve;
Fig. 3 is the structure for amplifying schematic representation of A portion among Fig. 2;
Fig. 4 is the sealed structural representation of door leaf and gate seat in the prior art;
Fig. 5 is the structure for amplifying schematic representation of B portion among Fig. 2;
Go up the sealed structural representation of door leaf and following door leaf in Fig. 6 prior art;
Fig. 7 is the structure for amplifying schematic representation of C portion among Fig. 2;
Fig. 8 is a local structure for amplifying schematic representation of going up the hinged place of door leaf and free bearing in the utility model large hydraulic speed change buoyancy tank flap valve.
Wherein:
Prior art: 3 ', gate seat; 5 ', go up door leaf; 8 ', following door leaf; 9 ', upper mounted plate; 10 ', water shutoff rubber; 11 ', bottom plate; 15 ', bolt; 16 ', nut; 17 ', water shutoff pad I; 18 ', water shutoff pad II; 19 ', water shutoff plate;
The utility model: 1, free bearing; 2, bearing pin; 3, gate seat; 4, equalizing pipe; 5, go up door leaf; 6, joint; 7, hydraulic mechanism; 71, upper bracket; 72, lower support frame; 73, cylinder barrel; 74, piston rod; 75, piston; 76, shrouding; 77, plug screw; 78, tapped hole; 8, following door leaf; 9, upper mounted plate; 10, water shutoff rubber; 11, bottom plate; 12, end fixed plate; 13, side fixed plate; 14, waist shaped hole.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done explanation in further detail.
By the structural representation of Fig. 1, Fig. 2 and the utility model large hydraulic speed change buoyancy tank flap valve shown in Figure 3 as can be known, it comprises free bearing 1, gate seat 3, goes up door leaf 5 and following door leaf 8, described gate seat 3 and free bearing 1 all are fixed on the pumping plant pedestal, described upward door leaf 5 is hinged by bearing pin 2 with free bearing 1, described door leaf 8 down and last door leaf 5 are hinged, and described upward door leaf 5 and following door leaf 8 are by sealing configuration and gate seat 3 salable contact matching.The described door leaf 5 of going up is connected with following door leaf 8 by at least one pair of hydraulic mechanism 7, and an end and the last door leaf 5 of described hydraulic mechanism 7 are hinged, and the other end and following door leaf 8 are hinged.
Described hydraulic mechanism 7 comprises upper bracket 71, lower support frame 72, cylinder barrel 73, piston 75 and piston rod 74; Wherein, an end of described upper bracket 71 is connected with last door leaf 5, and the other end and cylinder barrel 73 are hinged, described piston 75 is slidingly fitted in the cylinder barrel 73, one end of piston rod 74 is connected with piston 75, and an end of the other end and lower support frame 72 is hinged, and the other end of lower support frame 72 is connected with following door leaf 8.
Ends near lower support frames 72 in the described cylinder barrel 73 are connected with shrouding 76, and described shrouding 76 is slidingly matched with piston rod 74, and has a plurality of tapped holes 78 on the shrouding 76, described tapped hole 78 plug screw 77 that can be threaded.
In the present embodiment, described hydraulic mechanism 7 is two pairs, and symmetry is installed in the left and right sides of flap valve respectively, and is communicated with by equalizing pipe 4 between two pairs of hydraulic mechanisms 7.Described equalizing pipe 4 is two, and an end of every equalizing pipe 4 is communicated with the cylinder barrel 73 of two pairs of hydraulic mechanisms 7 respectively, and the other end connects by joint 6 and communicates.
The described size that goes up the size of door leaf 5 less than following door leaf 8.
By the sealed structural representation of door leaf and gate seat in the prior art shown in Figure 4 as can be known, upper mounted plate 9 ' is that size shape is identical with bottom plate 11 ', all be vertically welded on the gate seat 3 ', and all be equipped with through hole on upper mounted plate 9 ' and the bottom plate 11 ', after embedding water shutoff rubber 10 ' between upper mounted plate 9 ' and the bottom plate 11 ', use bolt 15 ' and nut 16 ' that water shutoff rubber 10 ' is fixed again.
By the sealed structural representation of door leaf and gate seat in the utility model shown in Figure 5 as can be known, the described sealing configuration of going up between door leaf 5 and following door leaf 8 and the gate seat 3 comprises that upper mounted plate 9, bottom plate 11 and an end have the water shutoff rubber 10 of perk, described upper mounted plate 9 is vertically welded on the gate seat 3, described bottom plate 11 tilts to be welded on the gate seat 3, form the little inner chamber of free end aperture efficiency fixed end opening, the not perk end of described water shutoff rubber 10 is embedded in the inner chamber.Such structure is very convenient for installing.
By the sealed structural representation of going up door leaf and following door leaf in the prior art shown in Figure 6 as can be known, it comprises water shutoff pad I17 ', water shutoff pad II 18 ' and water shutoff plate 19 ', water shutoff pad I 17 ' and water shutoff pad II 18 ' are superimposed upon on the door leaf 5 ' from inside to outside successively, use water shutoff plate 19 ' to push down again, use bolt 15 ' that water shutoff pad I 17 ', water shutoff pad II 18 ' and water shutoff plate 19 ' are fixed on the door leaf 5 ' at last, therefore, also need on water shutoff plate 19 ' and last door leaf 5 ', get through hole or tapped hole.
By the sealed structural representation of going up door leaf and following door leaf in the utility model shown in Figure 7 as can be known, the described sealing configuration of going up between door leaf 5 and the following door leaf 8 comprises that side fixed plate 13, end fixed plate 12 and an end have the water shutoff rubber 10 of perk, fixed plate of the described end 12 is vertically welded in down on the door leaf 8, side fixed plate 13 tilts to be welded on a side of end fixed plate 12, form the little cavity of free end aperture efficiency fixed end opening, the not perk end of described water shutoff rubber 10 is embedded in the cavity.
By the local structure for amplifying schematic representation of going up door leaf and the hinged place of free bearing in the utility model shown in Figure 8 as can be known, described hinged place of going up door leaf 5 and free bearing 1 has waist shaped hole 14, and described bearing pin 2 is slidingly fitted in the waist shaped hole 14.
The assembly technology of the utility model large hydraulic speed change buoyancy tank flap valve is as follows: utilize earlier frock component such as door leaf, gate seat, free bearings in factory after the overall package, again between door leaf and the gate seat with many bar dowel spot welding, after then these assembly scenes of moving to being installed, these bar dowels are cut off, so just guaranteed field erected precision.
Claims (9)
1. large hydraulic speed change buoyancy tank flap valve, comprise free bearing (1), gate seat (3), last door leaf (5) and following door leaf (8), described gate seat (3) and free bearing (1) all are fixed on the pumping plant pedestal, described upward door leaf (5) is hinged by bearing pin (2) with free bearing (1), described door leaf (8) down is hinged with last door leaf (5), described upward door leaf (5) and following door leaf (8) are by sealing configuration and the salable contact matching of gate seat (3), it is characterized in that: the described door leaf (5) of going up is connected with following door leaf (8) by at least one pair of hydraulic mechanism (7), one end of described hydraulic mechanism (7) and last door leaf (5) are hinged, and the other end is hinged with following door leaf (8).
2. large hydraulic speed change buoyancy tank flap valve according to claim 1 is characterized in that: described hydraulic mechanism (7) comprises upper bracket (71), lower support frame (72), cylinder barrel (73), piston (75) and piston rod (74); Wherein, one end of described upper bracket (71) is connected with last door leaf (5), the other end and cylinder barrel (73) are hinged, described piston (75) is slidingly fitted in the cylinder barrel (73), one end of piston rod (74) is connected with piston (75), one end of the other end and lower support frame (72) is hinged, and the other end of lower support frame (72) is connected with following door leaf (8).
3. large hydraulic speed change buoyancy tank flap valve according to claim 2, it is characterized in that: the end near lower support frame (72) in the described cylinder barrel (73) is connected with shrouding (76), described shrouding (76) is slidingly matched with piston rod (74), and have a plurality of tapped holes (78) on the shrouding (76), described tapped hole (78) plug screw (77) that can be threaded.
4. large hydraulic speed change buoyancy tank flap valve according to claim 2, it is characterized in that: described hydraulic mechanism (7) is two pairs, symmetry is installed in the left and right sides of flap valve respectively, and is communicated with by equalizing pipe (4) between two pairs of hydraulic mechanisms (7).
5. large hydraulic speed change buoyancy tank flap valve according to claim 4, it is characterized in that: described equalizing pipe (4) is two, one end of every equalizing pipe (4) is communicated with the cylinder barrel (73) of two pairs of hydraulic mechanisms (7) respectively, and the other end connects by joint (6) and communicates.
6. large hydraulic speed change buoyancy tank flap valve according to claim 1, it is characterized in that: the described sealing configuration of going up between door leaf (5) and following door leaf (8) and the gate seat (3) comprises that upper mounted plate (9), bottom plate (11) and an end have the water shutoff rubber (10) of perk, described upper mounted plate (9) is vertically welded on the gate seat (3), described bottom plate (11) tilts to be welded on the gate seat (3), form the little inner chamber of free end aperture efficiency fixed end opening, the not perk end of described water shutoff rubber (10) is embedded in the inner chamber.
7. large hydraulic speed change buoyancy tank flap valve according to claim 6, it is characterized in that: the described sealing configuration of going up between door leaf (5) and the following door leaf (8) comprises that side fixed plate (13), end fixed plate (12) and an end have the water shutoff rubber (10) of perk, fixed plate of the described end (12) is vertically welded in down on the door leaf (8), side fixed plate (13) tilts to be welded on a side of end fixed plate (12), form the little cavity of free end aperture efficiency fixed end opening, the not perk end of described water shutoff rubber (10) is embedded in the cavity.
8. large hydraulic speed change buoyancy tank flap valve according to claim 1 is characterized in that: described hinged place of going up door leaf (5) and free bearing (1) has waist shaped hole (14), and described bearing pin (2) is slidingly fitted in the waist shaped hole (14).
9. large hydraulic speed change buoyancy tank flap valve according to claim 1 is characterized in that: the described size that goes up the size of door leaf (5) less than following door leaf (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200351480U CN201925535U (en) | 2011-01-28 | 2011-01-28 | Large hydraulic variable-speed buoyancy tank flap valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200351480U CN201925535U (en) | 2011-01-28 | 2011-01-28 | Large hydraulic variable-speed buoyancy tank flap valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201925535U true CN201925535U (en) | 2011-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200351480U Expired - Lifetime CN201925535U (en) | 2011-01-28 | 2011-01-28 | Large hydraulic variable-speed buoyancy tank flap valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201925535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095004A (en) * | 2011-01-28 | 2011-06-15 | 宁波巨神制泵实业有限公司 | Large-sized hydraulic speed change floating box flap valve |
-
2011
- 2011-01-28 CN CN2011200351480U patent/CN201925535U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095004A (en) * | 2011-01-28 | 2011-06-15 | 宁波巨神制泵实业有限公司 | Large-sized hydraulic speed change floating box flap valve |
| WO2012100572A1 (en) * | 2011-01-28 | 2012-08-02 | 宁波巨神制泵实业有限公司 | Large-scale hydraulic variable-speed floating box flap valve |
| CN102095004B (en) * | 2011-01-28 | 2013-06-05 | 宁波巨神制泵实业有限公司 | Large-sized hydraulic speed change floating box flap valve |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110810 |