CN205617333U - Hinge dam bottom portion stagnant water structure - Google Patents

Abstract

The utility model provides a hinge dam bottom portion stagnant water structure. The utility model discloses a hinge dam bottom portion stagnant water structure, include: dam facing, support, stagnant water spare, a fixed establishment, be equipped with the recess on the support, supply the bottom of dam facing is in the recess internal rotation, the bottom of dam facing sets up in the recess and with leave the clearance between the recess, stagnant water spare includes first fixed part and stagnant water portion, first fixed part with stagnant water portion links to each other, first fixed part passes through a fixed establishment is fixed to be set up the top of support, stagnant water portion is sealed the clearance. The utility model discloses an use a fixed establishment to fix stagnant water spare, damage or take place when damaged when stagnant water spare, can dismantle and carry out the effect changed.

Description

Hinge dam bottom waterstop structure

Technical field

This utility model relates to hydraulic structure technical field, particularly relates to a kind of hinge dam bottom waterstop knot Structure.

Background technology

Along with urban water, landscape construction, environmental renovation and irrigation, the needs of generation engineering, most By using gate or dam body to realize barrage water-retention.In addition to having the function of barrage water-retention, it is also Need that there is the function that can not affect flood control safety, movable gate or dam body to obtain because it meets features described above To being widely applied.

Movable gate or dam body include rubber dam, steel dam valve, gas shield lock, hinge dam etc., wherein, hinge Dam possesses three twisted point luffing motions, and unlimited width formula assembles, it is adaptable to the river course of various width.Separately Outward, hinge dam also has the advantages such as flood passage is effective, do not receive Sediment Siltation impact, construction is quick.

During hinge dam is installed and used, the water sealing structure bottom hinge dam is generally in installation process Just use concreting to fix, when water sealing structure damages or occurs damaged, need to cut concrete open Just can be replaced, inefficiency and waste resource.

Utility model content

This utility model provides a kind of hinge dam bottom waterstop structure, to overcome the hinge dam in correlation technique When bottom waterstop structural failure or generation are damaged, need concrete is cut open the problem being just replaced.

This utility model provides a kind of hinge dam bottom waterstop structure, including: dam facing, support, sealing part, First fixed mechanism；

Described support is provided with groove, and the bottom for described dam facing rotates in described groove；

The bottom of described dam facing be arranged in described groove and and described groove between leave gap；

Described sealing part includes the first fixed part and water stop portion, described first fixed part and described water stop portion phase Even；

Described first fixed part is fixedly installed on the top of described support, institute by described first fixed mechanism State water stop portion and seal described gap.

Further, above-mentioned hinge dam bottom waterstop structure,

Described first fixed mechanism includes pressing plate, the first nut and the first bolt；

The top of described support is provided with the first bolt hole；

Described first fixed part is provided with and described first corresponding first through hole in bolt hole position；

Second through hole corresponding with described first bolt hole position it is provided with on described pressing plate；

Described pressing plate covers on described first fixed part；

First bolt hole, described first through hole and the second through hole described in described first screw bolt passes, with Described first nut thread connects.

Further, above-mentioned hinge dam bottom waterstop structure, described first bolt and described first bolt hole Welding.

Further, above-mentioned hinge dam bottom waterstop structure, described first bolt hole is the first screwed hole, And described first bolt threadeds with described first screwed hole.

Further, above-mentioned hinge dam bottom waterstop structure, the length of described pressing plate is fixed with described first The length in portion is identical.

Further, above-mentioned hinge dam bottom waterstop structure, described first bolt hole, described first through hole, Described second through hole, all has multiple.

Further, above-mentioned hinge dam bottom waterstop structure, described first fixed part is laminated structure, institute Stating water stop portion is O shape structure, and described first fixed part is along the tangential of described water stop portion and described water stop portion phase Even, described sealing part is made to constitute p-shaped sealing ring.

Further, above-mentioned hinge dam bottom waterstop structure, described water stop portion is towards described groove.

Further, above-mentioned hinge dam bottom waterstop structure, water stop portion described in described pressing plate covering part.

Further, above-mentioned hinge dam bottom waterstop structure, described fixed structure also includes pad；

Described pad is arranged between described first nut and described pressing plate.

Further, above-mentioned hinge dam bottom waterstop structure, also include: lower shaft, sealing member, second solid Determine mechanism；

Described sealing member includes the second fixed part and sealing；

The end face of lower shaft described in described both seals；

Described second fixed part is passed through to described lower shaft sunken inside, described second fixed part by described sealing Described second fixed mechanism is fixed with described lower shaft.

Further, above-mentioned hinge dam bottom waterstop structure, described second fixed mechanism includes the second bolt With fixture；

Described fixture is arranged in described lower shaft, and fixing with described lower shaft is connected；

Described second fixed part is provided with third through-hole, and described fixture is provided with and described third through-hole position Put corresponding second bolt hole；

Described second bolt passes described third through-hole, and is connected with described second bolt hole.

Further, above-mentioned hinge dam bottom waterstop structure, described second bolt hole is the second screwed hole, And described second bolt threadeds with described second screwed hole.

Further, above-mentioned hinge dam bottom waterstop structure, described second fixed mechanism also includes the second spiral shell Female；

Second bolt hole described in described second screw bolt passes and described third through-hole, and with described second Nut thread connects.

Further, above-mentioned hinge dam bottom waterstop structure, also include: baffle plate；

Described baffle plate and described second fixed part are towards the side laminating outside described lower shaft；

Described baffle plate is provided with fourth hole, the second bolt hole, institute described in described second screw bolt passes State third through-hole and described fourth hole, and be connected with described second nut thread.Further, above-mentioned Hinge dam bottom waterstop structure, described fixture is disc-shaped structure；

The diameter of described fixture is equal with the internal diameter of described lower shaft, and the thickness direction of described fixture with The axis direction of described lower shaft is identical, and the edge of described fixture is connected with the inwall of described lower shaft.

Further, above-mentioned hinge dam bottom waterstop structure, described second fixed part is with described fixture altogether Axle, and described third through-hole is arranged at the center of described second fixed part, described second screwed hole is arranged at The center of described fixture.

Further, above-mentioned hinge dam bottom waterstop structure, described fixture is block structure.

Further, above-mentioned hinge dam bottom waterstop structure, described fixture welds with described lower shaft.

Further, above-mentioned hinge dam bottom waterstop structure, described second fixed mechanism includes the 3rd bolt With the 3rd nut；

Described lower shaft is provided with a fifth hole；

The sidewall of described second fixed part is provided with a clematis stem hole；

Fifth hole and described clematis stem hole described in described 3rd screw bolt passes, with described 3rd nut Threaded.

Further, above-mentioned hinge dam bottom waterstop structure, also include: stop reinforcing bar；

Described stop steel-bar arrangement is in described groove, and contacts with described sealing part.

Further, above-mentioned hinge dam bottom waterstop structure, the limit of the close described water stop portion of described pressing plate Extend along to the direction matched with the radian of described water stop portion, and fit with described water stop portion.

This utility model hinge dam bottom waterstop structure, is rotated in the groove of support by the bottom of dam facing, And between dam facing and support, leave gap, and use sealing part by clearance seal, wherein, sealing part includes phase The first fixed part even and water stop portion, and by the first fixed mechanism by the top of the first fixed part Yu support Fixing, with the hinge dam bottom waterstop structural failure solved in correlation technique or when occurring damaged, need by The problem being just replaced cut open by concrete, it is achieved that use the first fixed mechanism to fix sealing part, When sealing part damages or occurs damaged, the effect being detachably replaced.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, Accompanying drawing in describing below is embodiments more of the present utility model, comes for those of ordinary skill in the art Say, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the overall structure schematic diagram of this utility model hinge dam bottom waterstop constructive embodiment；

Fig. 2 is the overall structure schematic diagram of this utility model hinge dam axle head water sealing structure embodiment；

Fig. 3 is the partial structurtes schematic diagram of this utility model hinge dam axle head water sealing structure embodiment；

Fig. 4 is the schematic diagram of the sealing member of this utility model hinge dam axle head water sealing structure embodiment；

Fig. 5 is another overall structure schematic diagram of this utility model hinge dam bottom waterstop constructive embodiment.

Reference:

1 support

2 sealing parts

3 pressing plates

4 first nuts

5 first bolts

6 pads

7 dam facings

8 lower shafts

9 sealing members

10 second bolts

11 second nuts

12 second bolts hole

13 baffle plates

14 stop reinforcing bar

Detailed description of the invention

For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below in conjunction with Accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out clear, It is fully described by, it is clear that described embodiment is a part of embodiment of this utility model rather than complete The embodiment in portion.Based on the embodiment in this utility model, those of ordinary skill in the art are not making The every other embodiment obtained under creative work premise, broadly falls into the scope of this utility model protection.

Fig. 1 is the overall structure schematic diagram of this utility model hinge dam bottom waterstop constructive embodiment, such as figure Shown in 1, the hinge dam bottom waterstop structure of the present embodiment, may include that support 1, sealing part 2, consolidate Determine component.

Hinge dam in use there will be after dam facing 7 holds up, and dam facing 7 bottom occurs what river was revealed Phenomenon, it has been observed that, dam facing 7 bottom is revealed and is because water sealing structure and damages or aging cause, phase Water sealing structure is just fixed being molded ground when by the hinge dam bottom waterstop structure in the technology of pass with ground Together, if desired for more, it is necessary to concrete is cut open, therefore, by using the knot of the present embodiment Structure realizes being replaced water sealing structure, strengthens dam facing 7 bottom waterproof.

Wherein, frame is for limiting the position of dam facing 7 grade, and stops injection moulding sole for the first time by support 1 The concrete of seat is crossed support 1 and is affected the effect of dam facing 7 activity.By being provided with groove on support 1, Bottom for dam facing 7 rotates in groove, and needs and groove when the bottom of dam facing 7 is arranged in a groove Between leave gap, use sealing part 2 by clearance seal so that dam facing 7 does not haves river when holding up The situation that water is revealed.Sealing part 2 includes the first fixed part and water stop portion, the first fixed part and water stop portion phase Even, it is, for example possible to use p-type sealing part 2 is as sealing part 2, sealing is O type part, first Fixed part is non-O type part.The three the first fixed parts are fixed component by second and are fixedly installed on support 1 Top, ensure the 3rd water stop portion can be by clearance seal.Achieve the effect to dam facing 7 bottom end seal.

Specifically, in order to realize removable function, the first fixed mechanism can include pressing plate 3, first Bolt 5 and the first nut 4, wherein, be provided with the first bolt hole on the top of support 1, be used for limiting The position of the first bolt 5, the first fixed part is provided with and the first corresponding first through hole in bolt hole position, It is provided with second through hole corresponding with the first bolt hole position on pressing plate 3, first the first fixed part is put It is plane for putting the top at support 1, the preferably top of support 1 so that the first fixed part can be steady Placement, then pressing plate 3 is covered on the first fixed part, the first bolt 5 sequentially passes through first Bolt hole, the first through hole and the second through hole, threaded with the first nut 4.First fixed mechanism uses The form of the structure dismantled can be carried out, it is possible to achieve when damaging or being aging occur in the 3rd sealing member, permissible Carry out dismantling and replacing the effect of the 3rd new sealing member.

The first bolt 5 is used to pass the form of the first bolt hole, in the mistake being attached with the first nut 4 Cheng Zhong, the first bolt 5 is it is possible that rotate so that installation effect is less desirable, it is therefore preferable that First bolt 5 is welded together with the first bolt hole so that the first bolt 5 cannot be at the first bolt hole Interior freely rotatable, and the effect of location can be played.

First bolt hole can be to be arranged to the form of the first bolt hole, and the first bolt 5 is through the first spiral shell Just threaded with the first bolt hole during keyhole, it is achieved that the first bolt 5 is fixed with support 1, Effect that cannot be freely rotatable in the first bolt hole.

Because the length of dam facing 7 is long, so sealing part 2 needs setting identical with the length of dam facing 7, Thus reach to seal the effect in gap between dam facing 7 and support 1, therefore the first bolt hole, the first through hole, Second through hole all has multiple, and often group, and the first bolt hole, the first through hole, the second lead to the hole site are the most corresponding, Achieve the soundness strengthening sealing part 2, thus improve further to stagnant water effect.

In order to make fastening effect more preferable, the first fixed mechanism can also include that pad 6, pad 6 are arranged at institute State between the first nut 4 and pressing plate 3.Increase the contact area of the first nut 4 and pressing plate 3 surface, real Show the effect preventing pressing plate 3 surface from may also operate as locking effect while being worn.

Because pressing plate 3 is used for pushing down the first fixed part, it is advantageous to the length of pressing plate 3 and the first fixed part Length identical.

Sealing part 2 in the present embodiment uses p-type sealing ring, and wherein, the first fixed part is laminated structure, Water stop portion is O shape structure, and the first fixed part is connected along the tangential of water stop portion with water stop portion, and pressing plate 3 is by sheet Shape the first fixed part is pushed down, the gap between water stop portion sealed support 1 and the dam facing 7 of O type structure, only Water portion both can be towards dam facing 7, again can be towards groove.Water stop portion towards dam facing 7 arrange time, dam facing 7 In rotation process, water stop portion can be imposed vertical dam facing 7 and the power away from dam facing 7 direction, use After a period of time, easily there is tired damage in water stop portion so that sealing effectiveness reduces, it is therefore preferable that only use Water portion is towards the form of groove, and pressing plate 3 covering part water stop portion, thus in dam facing 7 rotation process, Water stop portion is not easy deformation occur under the effect of pressing plate 3, it is achieved that extend sealing part 2 service life Effect.

The hinge dam bottom waterstop structure of the present embodiment, solves the hinge dam bottom waterstop knot in correlation technique When structure damages or occurs damaged, need concrete is cut open the problem being just replaced, it is achieved that use First fixed mechanism fixes sealing part 2, when sealing part 2 damages or breakage occurs, detachably carries out The effect changed.

Fig. 5 is another overall structure schematic diagram of this utility model hinge dam bottom waterstop constructive embodiment, As it is shown in figure 5, the hinge dam bottom waterstop structure of the present embodiment, further, for strengthening sealing part 2 Stagnant water effect, be provided with in the groove of support 1 stop reinforcing bar 14, stop reinforcing bar 14 position need To contact with sealing part 2 so that sealing part 2, can be by stopping reinforcing bar in the extrusion process of dam facing 7 14 are supported, and play the effect strengthening stagnant water effect.

Stop that reinforcing bar 14 can be connected with groove in the way of using welding, it is preferred to use circular stop reinforcing bar 14, play the effect reducing sealing part 2 abrasion.

Additionally, the limit of the close water stop portion of pressing plate 3, the radian along water stop portion extends, and and water stop portion Radian match, i.e. pressing plate 3 entirety in letter J-type so that sealing part 2 is at the active procedure of dam facing In, will not tilt because of active force, persistently ensure the water stop portion direction towards groove, further to rise Arrive the effect strengthening sealing.Fig. 2 is the entirety of this utility model hinge dam axle head water sealing structure embodiment Structural representation, Fig. 3 is the partial structurtes signal of this utility model hinge dam axle head water sealing structure embodiment Figure, as shown in Figures 2 and 3, the hinge dam axle head water sealing structure of the present embodiment, including lower shaft 8, close Sealing 9, fixed mechanism.

Wherein, in order to realize axle head sealing, sealing member 9 need to include sealing, due in correlation technique, Owing to sealing member 9 not being fixed so that hinge dam, in active procedure, easily makes sealing member 9 phenomenons that are damaged or that drop occur, and therefore, sealing member 9 also should include fixed part, for fixing seal Part 9.Fig. 4 is the schematic diagram of the sealing member 9 of this utility model hinge dam axle head water sealing structure embodiment, As shown in Figure 4, fixed part and sealing two parts are monolithically fabricated sealing member 9, both seals lower shaft 8 End face, it is achieved the sealing to hinge dam lower shaft 8.Same river course generally needs fan hinge dam facing more, Need seamless before the lower shaft 8 of adjacent two fan hinge dam facings, to prevent river from adjacent two fan hinge dams Flow through between the lower shaft 8 in face, therefore, fixed part need in lower shaft 8, i.e. fixed part by sealing the end of to Axle 8 sunken inside, uses fixed mechanism to be fixed with lower shaft 8 by fixed part so that waterproof case is at hinge dam facing Active procedure in, do not have the situation departing from lower shaft 8, it is achieved that while axle head is waterproof, also The effect that sealing member 9 departs from can be prevented with lower shaft 8.

Specifically, fixed mechanism can include the second bolt 10 and fixture, it is generally the case that hinge dam The lower shaft 8 in face is hollow tubular, fixes and be connected in fixture is arranged on lower shaft 8 and with lower shaft 8, tool The connected mode of body can be in the way of using welding, it is also possible to uses the mode that bolt is fixing, it is also possible to adopt By the protruding mode etc. with groove match.

The present embodiment uses fixed mechanism fix the fixed part of sealing member 9, arrange the at fixed part 21 Three through holes, are provided with second bolt hole 12 corresponding with third through-hole position at fixture, use the second spiral shell Bolt 10 fixes.One of fixed form, for the second bolt hole 12 is set to the second screwed hole, uses the Two bolts 10 are through third through-hole, and threaded with the second bolt hole 12.The two of fixed form are, After using the second bolt 10 to sequentially pass through the second bolt hole 12 and third through-hole, with the second nut 11 and the Two bolts 10 are threaded.In actual application, it is also possible to use other fixed form to carry out Fixing, will not enumerate explanation in the present embodiment.By using the concrete of the present embodiment fixed mechanism Component fixes sealing member 9, it is achieved that as required or easy to operate fix in different ways The effect of sealing member 9.

Sealing member 9 is fixed by above-mentioned fixed mechanism, because fixing stress point is only the part of third through-hole, Adjacent two fan dam facing interleaved activity when, may be by the 3rd when its power extruded each other is excessive Through hole damages, and therefore, fixed mechanism can increase lifting surface area when baffle plate 13 makes fixing and increase, from And reduce the damaged condition of sealing member 9.Baffle plate 13 and fixed part towards the side laminating outside lower shaft 8, Fourth hole, and fourth hole, third through-hole, the position of the second bolt hole 12 it is provided with on baffle plate 13 Corresponding.Connected mode can be, uses the second bolt 10 to sequentially pass through the second bolt hole the 12, the 3rd Through hole and fourth hole, and threaded with the second nut 11.Connected mode can also be, the second bolt Hole 12 is set to the second screwed hole, use the second bolt 10 sequentially pass through fourth hole, third through-hole and Threaded with the second bolt hole 12.Baffle plate 13 can use the polygon such as square, triangle, or The structure such as circular, oval.Achieve, by using baffle plate 13 and fixture fixing sealing member 9 Portion 21 clamps, add lifting surface area make fixing more firm, it is also possible to reduce the damage of sealing member 9 Effect.

Fixture can use block structure, it is preferred that fixture uses disc-shaped structure, fixture Diameter is equal with the internal diameter of lower shaft 8, and the thickness direction of fixture is identical with the axis direction of lower shaft 8, By the way of welding, the inwall at the edge of fixture with lower shaft 8 is connected, the edge of fixture complete and The inside of lower shaft 8 connects, it is achieved that improve the effect of fixing degree of stability.

During hinge dam facing rises or falls, between adjacent two fan hinge dam facings, phase para-position can occur Putting change, therefore, the lower shaft 8 on hinge dam, in rotation process, may rotate by band dynamic seal 9, It is therefore preferable that use fixed part coaxial with fixture, and third through-hole be arranged at the center of fixed part, the Two screwed holes are arranged at the center of fixture so that sealing member 9 can be axle along the axial line of lower shaft 8 Rotate, it is achieved that reduce the effect that sealing member 9 damages.

Fixed mechanism in the present embodiment can also use the 3rd bolt and the composition of the 3rd nut, wherein, Being provided with a fifth hole on lower shaft 8, the sidewall at fixed part is provided with a clematis stem hole, makes With the 3rd screw bolt passes fifth hole and clematis stem hole, it is connected with the 3rd nut thread.That is, the 3rd Bolt direction be along lower shaft 8 direction radially, sealing member 9 to be fixed with lower shaft 8.

Fixed mechanism many employings bolt in the present embodiment is fixed so that when sealing member 9 uses the time Length deforms or weares and teares, and the when of being damaged, can be taken apart by fixed mechanism, to sealing member 9 are replaced, it is achieved that the convenient effect used.

Hinge dam of the present utility model axle head water sealing structure, bottom the hinge dam in solving correlation technique Spindle portion river leakage phenomenon easily occurs problem while, can achieve at the bottom of sealing hinge dam The rotating shaft in portion, can make again sealing member 9 be not easy the effect dropped, and it is also equipped with dismantling as required The effect changed.

Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, and Non-to its restriction；Although this utility model being described in detail with reference to foregoing embodiments, ability The those of ordinary skill in territory is it is understood that it still can be to the technical scheme described in foregoing embodiments Modify, or the most some or all of technical characteristic is carried out equivalent；And these amendment or Person replaces, and does not make the essence of appropriate technical solution depart from the model of this utility model each embodiment technical scheme Enclose.

Claims (22)

1. a hinge dam bottom waterstop structure, it is characterised in that including: dam facing, support, sealing part, the first fixed mechanism；

Described support is provided with groove, and the bottom for described dam facing rotates in described groove；

The bottom of described dam facing be arranged in described groove and and described groove between leave gap；

Described sealing part includes that the first fixed part and water stop portion, described first fixed part are connected with described water stop portion；

Described first fixed part is fixedly installed on the top of described support by described first fixed mechanism, and described water stop portion seals described gap.

Hinge dam the most according to claim 1 bottom waterstop structure, it is characterised in that described first fixed mechanism includes pressing plate, the first nut and the first bolt；

The top of described support is provided with the first bolt hole；

Described first fixed part is provided with and described first corresponding first through hole in bolt hole position；

Second through hole corresponding with described first bolt hole position it is provided with on described pressing plate；

Described pressing plate covers on described first fixed part；

Described in described first screw bolt passes, the first bolt hole, described first through hole and the second through hole, be connected with described first nut thread.

Hinge dam the most according to claim 2 bottom waterstop structure, it is characterised in that described first bolt welds with described first bolt hole.

Hinge dam the most according to claim 2 bottom waterstop structure, it is characterised in that described first bolt hole is the first screwed hole, and described first bolt threadeds with described first screwed hole.

5. according to the hinge dam bottom waterstop structure according to any one of claim 2-4, it is characterised in that the length of described pressing plate is identical with the length of described first fixed part.

6., according to the hinge dam bottom waterstop structure described in claim 2 or 4, it is characterised in that described first bolt hole, described first through hole, described second through hole, all have multiple.

Hinge dam the most according to claim 2 bottom waterstop structure, it is characterized in that, described first fixed part is laminated structure, and described water stop portion is O shape structure, described first fixed part is connected along the tangential of described water stop portion and described water stop portion, makes described sealing part constitute p-shaped sealing ring.

8. according to the hinge dam bottom waterstop structure that claim 7 is described, it is characterised in that described water stop portion is towards described groove.

Hinge dam the most according to claim 8 bottom waterstop structure, it is characterised in that water stop portion described in described pressing plate covering part.

10. according to the hinge dam bottom waterstop structure according to any one of claim 2-4, it is characterised in that described fixed structure also includes pad；

Described pad is arranged between described first nut and described pressing plate.

11. according to the hinge dam bottom waterstop structure described in claim 1, it is characterised in that also include: lower shaft, sealing member, the second fixed mechanism；

Described sealing member includes the second fixed part and sealing；

The end face of lower shaft described in described both seals；

Described second fixed part is fixed with described lower shaft by described second fixed mechanism to described lower shaft sunken inside, described second fixed part by described sealing.

12. hinge dam according to claim 11 bottom waterstop structures, it is characterised in that described second fixed mechanism includes the second bolt and fixture；

Described fixture is arranged in described lower shaft, and fixing with described lower shaft is connected；

Described second fixed part is provided with third through-hole, and described fixture is provided with second bolt hole corresponding with described third through-hole position；

Described second bolt passes described third through-hole, and is connected with described second bolt hole.

13. hinge dam according to claim 12 bottom waterstop structures, it is characterised in that described second bolt hole is the second screwed hole, and described second bolt is threadeded with described second screwed hole.

14. hinge dam according to claim 12 bottom waterstop structures, it is characterised in that described second fixed mechanism also includes the second nut；

Second bolt hole described in described second screw bolt passes and described third through-hole, and be connected with described second nut thread.

15. hinge dam according to claim 14 bottom waterstop structures, it is characterised in that also include: baffle plate；

Described baffle plate and described second fixed part are towards the side laminating outside described lower shaft；

Described baffle plate is provided with fourth hole, the second bolt hole, described third through-hole and described fourth hole described in described second screw bolt passes, and is connected with described second nut thread.

16. hinge dam according to claim 15 bottom waterstop structures, it is characterised in that described fixture is disc-shaped structure；

The diameter of described fixture is equal with the internal diameter of described lower shaft, and the thickness direction of described fixture is identical with the axis direction of described lower shaft, and the edge of described fixture is connected with the inwall of described lower shaft.

17. hinge dam according to claim 16 bottom waterstop structures, it is characterized in that, described second fixed part is coaxial with described fixture, and described third through-hole is arranged at the center of described second fixed part, described second screwed hole is arranged at the center of described fixture.

18. hinge dam according to claim 12 bottom waterstop structures, it is characterised in that described fixture is block structure.

19. according to the hinge dam bottom waterstop structure according to any one of claim 12-18, it is characterised in that described fixture welds with described lower shaft.

20. hinge dam according to claim 11 bottom waterstop structures, it is characterised in that described second fixed mechanism includes the 3rd bolt and the 3rd nut；

Described lower shaft is provided with a fifth hole；

The sidewall of described second fixed part is provided with a clematis stem hole；

Fifth hole and described clematis stem hole described in described 3rd screw bolt passes, be connected with described 3rd nut thread.

21. hinge dam according to claim 8 bottom waterstop structures, it is characterised in that also include: stop reinforcing bar；

Described stop steel-bar arrangement is in described groove, and contacts with described water stop portion.

22. hinge dam according to claim 8 bottom waterstop structures, it is characterised in that the edge of the close described water stop portion of described pressing plate extends to the direction matched with the radian of described water stop portion, and fits with described water stop portion.