CN219653659U - Wall penetrating sealing device for driving gate bottom shaft of steel dam - Google Patents

Abstract

The utility model discloses a wall penetrating sealing device for driving a bottom shaft of a steel dam gate, and belongs to the technical field of hydraulic engineering; the self-sealing mechanism comprises a first composite shaft sleeve, a second composite shaft sleeve and a packing filled between a bottom shaft and the second composite shaft sleeve which are oppositely arranged; an O-shaped ring is arranged at the outer side of the second composite shaft sleeve, and a packing gland is arranged at the outer end part of the wall penetrating sleeve. According to the utility model, the packing, the O-shaped ring and the packing gland are arranged, so that the end face of one end of the wall penetrating sleeve is sealed, and the later disassembly and replacement are convenient; in the adjusting process, the O-shaped ring and the packing are pressed tightly by force, so that the anti-leakage and water-stopping effects of the O-shaped ring and the packing can be enhanced.

Description

Wall penetrating sealing device for driving gate bottom shaft of steel dam

Technical Field

The utility model relates to the technical field of hydraulic engineering, in particular to a wall penetrating sealing device for driving a gate bottom shaft of a steel dam.

Background

The steel dam gate is combined with the optimization of the traditional sluice gate, is suitable for various water conservancy working conditions and geological conditions, and is widely applied to water conservancy and hydropower and water ecology civilization and town construction projects such as river landscape, irrigation and water storage, reservoir expansion and the like. The wall bushing is also called as a wall bushing, a waterproof bushing and a wall embedded pipe, and the waterproof bushing is divided into a rigid waterproof bushing and a flexible waterproof bushing.

However, the existing steel dam gate has poor waterproof capability in the use of the wall bushing; the water leakage is serious, the sealing surface is few, and improvement is needed.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, a wall penetrating sleeve is poor in waterproof capacity in use and needs to be improved, and provides a wall penetrating sealing device for driving a gate bottom shaft of a steel dam.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the wall penetrating sealing device comprises a wall penetrating sleeve and a self-sealing mechanism arranged in the wall penetrating sleeve, wherein the self-sealing mechanism comprises a first composite shaft sleeve, a second composite shaft sleeve and a packing filled between the bottom shaft and the second composite shaft sleeve which are oppositely arranged;

an O-shaped ring is arranged at the outer side of the second composite shaft sleeve, and a packing gland is arranged at the outer end part of the wall penetrating sleeve.

In some embodiments, the outer end of the first composite shaft sleeve is provided with a water stop rubber sleeved on the outer surface of the bottom shaft.

In some embodiments, the outer end of the water stop rubber is provided with a sealing gland.

In some embodiments, the gland includes an integral outer ring portion, a compression ring portion having an inner diameter smaller than the outer ring portion.

In some embodiments, the sealing gland is detachably connected with the wall penetrating sleeve through an inner hexagon bolt.

In some embodiments, the gland is removably connected to the through-wall jacket by a stud.

In some embodiments, the inner wall of the wall-penetrating sleeve is provided with a groove for placing an O-ring.

In some embodiments, the wall penetrating sleeve comprises an outer cylinder and a reducing cylinder which are coaxially and fixedly connected;

the two ends of the diameter reduction barrel are respectively provided with an end ring, and the outer surface of the diameter reduction barrel is provided with a reinforcing rib connected with the end rings at two sides.

In some embodiments, the inner wall of the reducing cylinder is provided with a first annular groove and a second annular groove which are matched with the first composite shaft sleeve and the second composite shaft sleeve.

In some embodiments, the outer end of the reducing cylinder is provided with a protective ring.

Compared with the prior art, the utility model provides the wall-penetrating sealing device for driving the bottom shaft of the steel dam gate, which has the following beneficial effects.

1. According to the utility model, by arranging the packing, the O-shaped ring and the packing gland in the self-sealing mechanism, the sealing of the end face of one end of the wall penetrating sleeve can be realized, and the later disassembly and replacement are convenient; in the adjusting process, the O-shaped ring and the packing are pressed tightly by force, so that the anti-leakage and water-stopping effects of the O-shaped ring and the packing can be enhanced; and through stud and nut cooperation, realize the sealed compaction to both through gland, can avoid ordinary packing ring structure to appear the effect that water seepage water leak easily.

2. According to the utility model, the water stop rubber and the sealing gland in the self-sealing mechanism are arranged, so that the two sides of the wall penetrating sleeve have good sealing effect; in the adjusting process, the water stopping rubber swells when meeting water, and the water stopping rubber is wrapped on the outer surface of the bottom shaft pipe to play a good sealing role; and set up sealing gland at the stagnant water rubber end, realize fixedly by hexagon socket head cap screw, can be convenient for later stage to sealing gland's dismantlement, do benefit to the change to the stagnant water rubber, and then can improve the sealed effect of wearing wall sealing device.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows; and will be apparent to those skilled in the art in part based upon a review of the following; alternatively, the teachings may be directed to practice of the present utility model.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic cross-sectional view of the present utility model.

Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

Fig. 4 is an enlarged schematic view of the structure at B in fig. 2.

Fig. 5 is a schematic side view of the diameter-reduced cylinder.

Fig. 6 is a schematic structural view of the sealing gland.

Fig. 7 is an enlarged schematic view of the structure at C in fig. 6.

In the figure:

1. penetrating through the wall sleeve; 101. an outer cylinder; 102. a diameter-reducing cylinder; 103. an end ring; 104. reinforcing ribs; 105. a protective ring; 2. a first composite sleeve; 3. a second composite sleeve; 4. packing; 5. an O-ring; 6. a packing gland; 7. a water stop rubber; 8. a sealing gland; 801. an outer ring portion; 802. a press ring portion; 9. an inner hexagon bolt; 10. a stud bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-7, a wall-penetrating sealing device for driving a gate bottom shaft of a steel dam comprises a wall-penetrating sleeve 1 fixed on a wall body and a self-sealing mechanism arranged in the wall-penetrating sleeve 1 and used for realizing sealing rotation of the bottom shaft, wherein the bottom shaft penetrates through the wall-penetrating sleeve and the self-sealing mechanism.

Wherein, the self-sealing mechanism is in a freely detachable structure; specifically, the bolt structure is adopted for detachable installation, so that later maintenance and replacement of internal components are facilitated.

As shown in fig. 2; the self-sealing mechanism comprises a first compound shaft sleeve 2, a second compound shaft sleeve 3 which are oppositely arranged, and a packing 4 filled between the bottom shaft and the second compound shaft sleeve 3.

It can be understood that the first composite shaft sleeve 2 and the second composite shaft sleeve 3 are rotatably arranged in the wall penetrating sleeve 1; preferably, a space is created between the two, without contact.

The shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft and is a component part of the sliding bearing; the composite shaft sleeve adopts a graphite bearing self-lubricating copper sleeve, and is an alloy composed of more than two elements, namely special brass, such as copper alloy composed of aluminum, lead, tin, manganese, nickel, iron and silicon; the high-strength brass is used as one of the materials, has the characteristics of no water absorption and oil absorption, small thermal expansion coefficient and the like, and forms a transfer film to protect the grinding shaft during operation; meanwhile, heat generated in the bearing operation process can be quickly transferred, the friction coefficient of the bottom shaft rotating in the wall penetrating sleeve 1 can be reduced, and the wall penetrating sleeve has good performance.

It should be noted that, packing 4 fills in the clearance between second compound axle sleeve 3 and the bottom shaft surface, make the two more closely cup joint, the steady rotation of the bottom shaft of being convenient for between them; the packing 4 is woven from a relatively soft thread, and has a square or rectangular or circular cross-sectional area.

Preferably, a limit ring groove is formed in the inner wall of the second composite shaft sleeve 3; the limiting ring groove is formed inwards from one side of the outer end, and the depth of the limiting ring groove is smaller than the length of the second composite shaft sleeve 3; thus, a stop is formed at the inner end of the second composite sleeve 3; the limiting ring groove limits the position of the packing 4 and prevents the packing from moving inwards.

Further, an O-shaped ring 5 which is in sliding contact with the outer surface of the bottom shaft is arranged at the outer side of the second composite shaft sleeve 3, so that the second composite shaft sleeve 3 is sealed at another stage; meanwhile, a packing gland 6 is arranged at the outer end part of the wall penetrating sleeve 1.

Preferably, two O-rings 5 are provided to better form a seal.

It will be appreciated that the O-ring 5 is rotatably disposed on the inner wall of the through-wall sleeve 1.

In order to realize the sealing connection between the bottom shaft and the wall penetrating sleeve 1, grease is smeared on the O-shaped ring 5 before installation, the O-shaped ring is ensured to be sufficiently lubricated after installation, and the bonding and deflection of the O-shaped ring 5 can be avoided.

Further, a groove for placing an O-shaped ring 5 is formed in the inner wall of the wall penetrating sleeve 1; and grease is filled in the grooves, so that sealing is better realized.

In addition, a packing gland 6 is arranged at the outer side of the O-shaped ring 5 to compress packing 4, and fix and protect the O-shaped ring and the packing 4; and the packing 4 is convenient to replace the packing and the O-shaped ring 5 in later period.

In some embodiments, the outer end of the first composite shaft sleeve 2 is provided with a water stop rubber 7 sleeved on the outer surface of the bottom shaft.

It can be understood that the water-stopping rubber 7 has the function of preventing water leakage and is a key accessory for stopping water of various steel gates in hydraulic and hydroelectric engineering; the water-stopping rubber 7 has the characteristic of swelling when meeting water, and can play a good sealing role by being wrapped on the outer surface of the bottom shaft.

It should be noted that the physical and mechanical properties of the water stop rubber 7 should meet the relevant specifications of GB/T14173-2008.

It will be appreciated that preferably the first composite sleeve 2 has an inner diameter smaller than the second composite sleeve 3; a packing 4 is arranged between the second composite shaft sleeve 3 and the bottom shaft, and the first composite shaft sleeve 2 is directly matched with the bottom shaft.

In some embodiments, the outer end of the water stop rubber 7 is provided with a sealing gland 8 for sealing.

The sealing gland 8 is detachably connected with the through-wall sleeve 1 through an inner hexagon bolt 9.

As shown in fig. 5-7; the inner hexagon bolts 9 are fixed on the sealing gland 8, so that the sealing gland 8 can be conveniently detached in the later period, and the water stop rubber 7 can be replaced conveniently.

It will be appreciated that the socket head cap screws 9 are arranged in a circular array.

In some embodiments, the packing gland 6 is removably attached to the through-wall sleeve 1 by a stud 10.

As shown in fig. 1; the stud bolts 10 are distributed in an annular array.

It can be understood that one end of the stud bolt 10 penetrates through the packing gland 6 and is in threaded connection with the through-wall sleeve 1; the other end of the stud bolt 10 is provided with a nut for locking; thereby, the compression adjustment of the O-shaped ring and the packing 4 can be facilitated.

Further, nuts may be provided at both ends of the stud bolts 10; the nut at the inner end can be used to limit the compression distance of the packing gland 6.

In some embodiments, two grooves for placing the O-rings 5 are arranged at intervals, so that a certain interval is formed between the two O-rings 5; the interval is filled with lubricating grease, so that the sealing can be further and better realized.

In some embodiments, the gland 8 includes an integral outer ring portion 801, a compression ring portion 802, the compression ring portion 802 having an inner diameter smaller than the outer ring portion 801.

Wherein the water stop rubber 7 is located inside the outer ring portion 801.

The outer ring part 801 and the compression ring part 802 are combined into an L-shaped structure, and the outer ring part 801 with larger thickness is utilized for slotting and sinking the inner hexagon bolt 9; the pressing ring portion 802 having a small inner diameter and a small thickness covers the outside of the water stop rubber 7.

As shown in fig. 6 and 7, the seal cover 8 limits the water stop rubber 7.

It will be appreciated that the gland 8 may be provided in a variety of configurations as well; such as a single ring structure, a T-section structure, etc.

In some embodiments, the wall penetrating sleeve 1 comprises an outer cylinder 101 and a reducing cylinder 102 which are coaxially and fixedly connected.

Correspondingly, two ends of the diameter-reduced cylinder 102 are respectively provided with an end ring 103; the end ring 103 at one side is fixedly connected with the outer cylinder 101; the outer diameter of the end ring 103 corresponds to the outer cylinder 101.

As shown in fig. 1, a reinforcing rib 104 for connecting the end rings 103 on both sides is provided on the outer surface of the reducing cylinder 102; to increase the overall strength.

Accordingly, the self-sealing mechanism is removably mounted within the reduced diameter barrel 102.

In some embodiments, the inner wall of the reducing cylinder 102 is provided with a first annular groove and a second annular groove which are matched with the first composite shaft sleeve 2 and the second composite shaft sleeve 3, so that the first annular groove and the second annular groove are limited.

In some embodiments, the outer end of the reduction barrel 102 is provided with a protective ring 105.

As shown in fig. 1; the stud 10 is located within the inner extent of the protective ring 105 by the protective ring 105.

The device is applied to the first-stage gate installation engineering of the water environment improvement and promotion engineering of the Jinjiang gallery and the Xijiang gallery in the Xinyishi market; in the engineering, the gate is of a steel dam gate structure type, 3 holes are formed in total, the total width of each net is 27m, and the height of the gate is 4 m.

According to the utility model, the packing 4, the O-shaped ring 5 and the packing gland 6 in the self-sealing mechanism are arranged, so that the sealing of the end face of one end of the wall penetrating sleeve 1 can be realized, and the later disassembly and replacement are convenient; in the adjusting process, the O-shaped ring 5 and the packing 4 are pressed tightly under the stress, so that the anti-leakage and water-stopping effects of the O-shaped ring and the packing 4 can be enhanced; and through stud 10 and nut cooperation, realize the sealed packing to both through gland 6, can avoid ordinary packing ring structure to appear the effect that water seepage drip easily.

In the utility model, the water stop rubber 7 and the sealing gland 8 in the self-sealing mechanism are arranged, so that the two sides of the wall penetrating sleeve 1 have good sealing effect; in the adjusting process, the water stop rubber 7 swells when meeting water, and the water stop rubber is wrapped on the outer surface of the bottom shaft pipe to play a good sealing role; and set up sealing gland 8 in sealing up rubber 7 end, realize fixedly by hexagon socket head cap screw 9, can be convenient for later stage to sealing gland 8's dismantlement, do benefit to the change to sealing up rubber 7, and then can improve wall sealing device's sealed effect.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. A wall penetrating sealing device for driving a gate bottom shaft of a steel dam, comprising a wall penetrating sleeve (1) and a self-sealing mechanism arranged in the wall penetrating sleeve (1), wherein the self-sealing mechanism comprises a first composite shaft sleeve (2), a second composite shaft sleeve (3) and a packing (4) filled between the bottom shaft and the second composite shaft sleeve (3) which are oppositely arranged;

an O-shaped ring (5) is arranged at the outer side of the second composite shaft sleeve (3), and a packing gland (6) is arranged at the outer end part of the wall penetrating sleeve (1).

2. The wall-penetrating sealing device for driving the bottom shaft of the steel dam gate according to claim 1, wherein the outer side end of the first composite shaft sleeve (2) is provided with a water stopping rubber (7) sleeved on the outer surface of the bottom shaft.

3. The wall-through sealing device for driving the bottom shaft of the steel dam gate according to claim 2, wherein the outer end of the water stopping rubber (7) is provided with a sealing gland (8).

4. A through-wall sealing arrangement for a steel dam gate bottom shaft drive according to claim 3, characterized in that the sealing gland (8) comprises an integrated outer ring part (801), a pressure ring part (802), the pressure ring part (802) having an inner diameter smaller than the outer ring part (801).

5. A wall penetrating sealing device for driving a bottom shaft of a steel dam gate according to claim 3, wherein the sealing gland (8) is detachably connected with the wall penetrating sleeve (1) through an inner hexagon bolt (9).

6. The wall-through sealing device for steel dam gate bottom shaft driving according to claim 1, wherein the packing gland (6) is detachably connected with the wall-through sleeve (1) through a stud bolt (10).

7. The wall-through sealing device for driving the bottom shaft of the steel dam gate according to claim 1, wherein the inner wall of the wall-through sleeve (1) is provided with a groove for placing an O-shaped ring (5).

8. The wall penetrating sealing device for driving the bottom shaft of the steel dam gate according to claim 1, wherein the wall penetrating sleeve (1) comprises an outer cylinder (101) and a reducing cylinder (102) which are coaxially and fixedly connected;

the two ends of the diameter-reducing cylinder (102) are respectively provided with an end ring (103), and the outer surface of the diameter-reducing cylinder (102) is provided with a reinforcing rib (104) connected with the end rings (103) at two sides.

9. The wall penetrating sealing device for driving the gate bottom shaft of the steel dam according to claim 8, wherein the inner wall of the diameter reducing cylinder (102) is provided with a first annular groove and a second annular groove which are matched with the first composite shaft sleeve (2) and the second composite shaft sleeve (3).

10. The through-wall sealing device for steel dam shaft drive according to claim 8, wherein the outer end of the reducing cylinder (102) is provided with a protection ring (105).