Device for replacing sealing ring under pressure for transverse shaft at gate bottom of steel dam

Abstract

The utility model discloses a device for replacing a sealing ring under pressure for a transverse shaft at the bottom of a steel dam gate, and belongs to the technical field of water conservancy projects. According to the device, the adjustable adjusting support is arranged, when the sealing packing is abraded and damaged due to opening and closing of the gate, the adjusting nut is screwed, the adjusting support presses the waterproof sleeve shell and the first sealing ring, the first sealing ring is pressed and deformed, the sealing and water stopping effects are achieved, then the end cover flange is detached, and the sealing packing is replaced; and then the adjusting bracket is reset through the bracket adjusting bolt, so that the sealing packing can be easily replaced, and the maintenance efficiency of the bottom transverse shaft is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water conservancy engineering technical field, concretely is a device of sealing ring replacement with pressure for steel dam gate bottom horizontal shaft. BACKGROUND

[0002] The bottom horizontal shaft steel dam gate is a control facility of opening and closing the water release channel, can be set according to the width of river channel, and the structure is simple. It can close the gate to store water, open the gate to flood and drain water, and use the gate top to pass water in ordinary times, can form the landscape of artificial waterfall, and can freely adjust the water retaining height, and is widely applied.

[0003] The bottom horizontal shaft steel dam gate leaf sits on the bottom horizontal shaft, the bottom horizontal shaft passes through the hoist chamber and is connected with the hydraulic hoist through the crank arm, to prevent the water in the river channel from entering the hoist chamber, a waterproof sleeve is arranged when the bottom horizontal shaft passes through the hoist chamber wall, and a sealing device is arranged in the waterproof sleeve to block water, the waterproof sleeve is fixedly embedded in the concrete wall, the bottom horizontal shaft is arranged in the waterproof sleeve, and the hydraulic hoist is connected with the hydraulic hoist through the crank arm, the linear motion of the hydraulic hoist is converted into the circular motion of the bottom horizontal shaft, and the steel dam gate leaf is driven to complete the opening and closing work. In the process of opening and closing, the bottom horizontal shaft rubs with the sealing ring in the waterproof sleeve, and the packing ring between the bottom horizontal shaft and the waterproof sleeve is rubbed, so that the packing ring is damaged and leaks.

[0004] And the existing bottom horizontal shaft sealing ring replacement is difficult, when the river channel is in the water storage state, the bottom horizontal shaft is under great pressure, so the sealing ring cannot be replaced, so that the replacement of the sealing ring is limited. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a device of sealing ring replacement with pressure for steel dam gate bottom horizontal shaft, which can complete the replacement of the sealing ring under the pressure of the bottom horizontal shaft when the river channel is in the water storage state, to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A device of sealing ring replacement with pressure for steel dam gate bottom horizontal shaft, including waterproof sleeve shell body that is fixedly embedded in the hoist chamber wall, waterproof sleeve shell body is sleeved on the outside of bottom horizontal shaft, waterproof sleeve shell body and bottom horizontal shaft between are provided with the shaft sleeve, waterproof sleeve shell body front side is provided with the adjusting support that is sleeved on bottom horizontal shaft, adjusting support rear side and waterproof sleeve shell body between are connected through support adjusting bolt, and support adjusting bolt is used for adjusting the horizontal distance between adjusting support and waterproof sleeve shell body, and the front end of the inner ring of adjusting support is clamped with sealing packing, sealing packing is sleeved on bottom horizontal shaft, and the front side of adjusting support is provided with the end cover flange of fixed sealing packing, and the lower side of the rear end of adjusting support is located between waterproof sleeve shell body and bottom horizontal shaft, and the rear side of the inner ring of adjusting support and shaft sleeve are provided with the first sealing ring that is sleeved on bottom horizontal shaft.

[0008] As a further preferred embodiment of the present utility model: the rear end upper side of the adjusting support is provided with an adjusting bolt connecting part, the support adjusting bolt comprises a pull bolt and an adjusting nut, the rear side of the pull bolt penetrates through the adjusting bolt connecting part and is threadedly connected with the waterproof sleeve shell, and the adjusting nut is located at the front side of the adjusting bolt connecting part and is threadedly connected with the pull bolt.

[0009] As a further preferred embodiment of the present utility model: the rear end inner side of the adjusting support is provided with a pressing protruding part, the pressing protruding part is located between the bottom horizontal shaft and the waterproof sleeve shell, and the first sealing ring is located between the pressing protruding part and the shaft sleeve.

[0010] As a further preferred embodiment of the present utility model: the rear side of the adjusting support is provided with a clamping groove, the front side of the waterproof sleeve shell is provided with a clamping part, the clamping part is inserted into the clamping groove, and a plurality of second sealing rings are arranged between the clamping part and the clamping groove.

[0011] As a further preferred embodiment of the present utility model: the rear side of the waterproof sleeve shell is fixedly provided with a third sealing ring, and the third sealing ring is sleeved on the bottom horizontal shaft.

[0012] Compared with the prior art, the present utility model has the beneficial effects that:

[0013] The device is provided with an adjustable adjusting support, when the sealing packing is worn and damaged due to the opening and closing of the gate, the adjusting nut is tightened to press the waterproof sleeve shell and the first sealing ring through the adjusting support, the first sealing ring is deformed under pressure to play a sealing and water-stopping role, then the end cover flange is removed, the sealing packing is replaced, then the adjusting support is reset through the support adjusting bolt, the replacement of the sealing packing can be easily completed, and the maintenance efficiency of the bottom horizontal shaft is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the device for replacing the sealing ring of the steel dam gate bottom horizontal shaft according to the present utility model;

[0015] Figure 2 It is a structural schematic view of the device for replacing the sealing ring of the steel dam gate bottom horizontal shaft according to the present utility model; Figure 1 It is an enlarged structural schematic view of the cooperation part of the waterproof sleeve shell and the bottom horizontal shaft;

[0016] Figure 3 It is a structural schematic view of the device for replacing the sealing ring of the steel dam gate bottom horizontal shaft according to the present utility model;

[0017] Figure 4 It is a structural schematic view of the device for replacing the sealing ring of the steel dam gate bottom horizontal shaft according to the present utility model;

[0018] In the figure: 1, the on-off machine room wall; 2, the bottom horizontal shaft; 3, the waterproof sleeve shell; 4, the adjusting support; 5, the shaft sleeve; 6, the first sealing ring; 7, the sealing packing; 8, the end cover flange; 9, the fixing bolt; 10, the support adjusting bolt; 11, the pressing convex part; 12, the clamping part; 13, the second sealing ring; 14, the clamping groove; 15, the adjusting bolt connecting part; 16, the pull bolt; 17, the pull bolt adjusting hole; 18, the adjusting nut; 19, the third sealing ring. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model. Embodiment 1

[0020] Please refer to Figures 1-4 , the embodiment provides a device for replacing sealing ring under pressure for steel dam gate bottom horizontal shaft, including waterproof sleeve shell 3 embedded in the on-off machine room wall 1, waterproof sleeve shell 3 is installed on the outside of bottom horizontal shaft 2, waterproof sleeve shell 3 and bottom horizontal shaft 2 between the shaft sleeve 5 is provided, waterproof sleeve shell 3 front side is provided with the adjusting support 4 installed on bottom horizontal shaft 2, adjusting support 4 rear side and waterproof sleeve shell 3 between the support adjusting bolt 10 is connected, support adjusting bolt 10 is used for adjusting the horizontal distance between adjusting support 4 and waterproof sleeve shell 3, as shown in Figure 3 , in order to realize the installation of support adjusting bolt 10, adjusting bolt connecting part 15 is provided on the rear end of adjusting support 4 upper side, the support adjusting bolt 10 includes pull bolt 16 and adjusting nut 18, pull bolt 16 rear side penetrates adjusting bolt connecting part 15 and is connected with waterproof sleeve shell 3 by screw thread, adjusting nut 18 is located on the front side of adjusting bolt connecting part 15 and is connected with pull bolt 16 by screw thread, as the conventional design familiar to those skilled in the art, only need to open corresponding pull bolt adjusting hole 17 on waterproof sleeve shell 3, so that pull bolt 16 penetrates adjusting bolt connecting part 15 and is screwed into pull bolt adjusting hole 17, adjusting the horizontal distance between waterproof sleeve shell 3 and adjusting support 4 can be easily realized by rotating pull bolt 16 and adjusting nut 18, the structure diagram of the two after pressing is as shown in Figure 4 .

[0021] At the same time, the sealing packing 7 is clamped in the front end of the inner circle of the adjusting support 4, and the end cover flange 8 for fixing the sealing packing 7 is arranged on the front side of the adjusting support 4, as shown in Figure 2 , as a conventional design, the end cover flange 8 is preferably fixed to the front side of the adjusting support 4 by the fixing bolt 8.

[0022] Further, in order to ensure the sealing, the lower side of the rear end of the adjusting bracket 4 is located between the waterproof sleeve shell 3 and the bottom horizontal shaft 2, and the rear side of the inner ring of the adjusting bracket 4 and the shaft sleeve 5 are provided with a first sealing ring 6 sleeved on the bottom horizontal shaft 2. Specifically, as shown in Figure 3 , a pressing protrusion 11 is arranged at the rear end of the adjusting bracket 4, the pressing protrusion 11 is located between the bottom horizontal shaft 2 and the waterproof sleeve shell 3, and the first sealing ring 6 is located between the pressing protrusion 11 and the shaft sleeve 5. When the adjusting bracket 4 and the waterproof sleeve shell 3 are pressed tightly, the relationship between the pressing protrusion 11 and the first sealing ring 6 is as shown in Figure 4 .

[0023] Further, in order to better realize the sealing performance, as shown in Figure 3 , a clamping groove 14 is arranged at the rear side of the adjusting bracket 4, a clamping portion 12 is arranged at the front side of the waterproof sleeve shell 3, the clamping portion 12 is inserted into the clamping groove 14, and a plurality of second sealing rings 13 are arranged between the clamping portion 12 and the clamping groove 14. When the adjusting bracket 4 and the waterproof sleeve shell 3 are pressed tightly, the relationship between the clamping portion 12 and the clamping groove 14 is as shown in Figure 4 .

[0024] It should be noted that as a conventional sealing construction technology of the traditional bottom horizontal shaft, a third sealing ring 19 should also be fixedly arranged at the rear side of the waterproof sleeve shell 3, and the third sealing ring 19 is sleeved on the bottom horizontal shaft 1. This design is a conventional construction method familiar to those skilled in the art, and will not be described here.

[0025] In actual application, when the sealing packing 7 is worn out and damaged due to the opening and closing of the gate, the adjusting nut 18 is tightened to press the adjusting bracket 4 against the waterproof sleeve shell 3 and the first sealing ring 6, so that the first sealing ring 6 is deformed under pressure to play a sealing and water-stopping role. Then the end cover flange 8 is removed, the sealing packing 7 is replaced, and then the adjusting bracket 4 is reset by the bracket adjusting bolt 10, so that the replacement of the sealing packing 7 can be easily completed.

[0026] It should be noted that the above embodiments are only specific and clear descriptions of the technical solutions and technical features of the present application. For those skilled in the art, the solutions or features that belong to the prior art or common knowledge are not described in detail in the above embodiments.

[0027] In addition, the technical solutions of the present application are not limited to the above embodiments. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A device for replacing a seal ring with pressure for a steel dam gate bottom horizontal shaft, comprising a waterproof sleeve body (3) fixedly embedded in the wall of the hoist room (1), the waterproof sleeve body (3) being sleeved on the outside of the bottom horizontal shaft (2), and a shaft sleeve (5) being arranged between the waterproof sleeve body (3) and the bottom horizontal shaft (2), characterized in that, The waterproof sleeve shell (3) is provided with an adjusting support (4) sleeved on the bottom horizontal shaft (2) on the front side, and the rear side of the adjusting support (4) is connected with the waterproof sleeve shell (3) through a support adjusting bolt (10), the support adjusting bolt (10) is used for adjusting the horizontal distance between the adjusting support (4) and the waterproof sleeve shell (3), a sealing packing (7) is clamped on the front end of the inner ring of the adjusting support (4), the sealing packing (7) is sleeved on the bottom horizontal shaft (2), and an end cover flange (8) for fixing the sealing packing (7) is arranged on the front side of the adjusting support (4), the rear end of the adjusting support (4) is located between the waterproof sleeve shell (3) and the bottom horizontal shaft (2) on the lower side, and a first sealing ring (6) sleeved on the bottom horizontal shaft (2) is arranged between the rear side of the inner ring of the adjusting support (4) and the shaft sleeve (5).

2. The device for replacing the seal ring of the steel dam with pressure for the cross shaft of the gate bottom according to claim 1, characterized in that, The rear end of the adjusting support (4) is provided with an adjusting bolt connecting portion (15), the support adjusting bolt (10) comprises a pull bolt (16) and an adjusting nut (18), the rear side of the pull bolt (16) penetrates through the adjusting bolt connecting portion (15) and is threadedly connected with the waterproof sleeve shell (3), and the adjusting nut (18) is located on the front side of the adjusting bolt connecting portion (15) and is threadedly connected with the pull bolt (16).

3. The apparatus for replacing the seal ring of the steel dam with pressure according to claim 1, wherein, The rear end of the adjusting support (4) is provided with a pressing protruding portion (11), the pressing protruding portion (11) is located between the bottom horizontal shaft (2) and the waterproof sleeve shell (3), and the first sealing ring (6) is located between the pressing protruding portion (11) and the shaft sleeve (5).

4. The apparatus for replacing the seal ring of the steel dam with pressure according to claim 3, wherein, The rear side of the adjusting support (4) is provided with a clamping groove (14), the front side of the waterproof sleeve shell (3) is provided with a clamping portion (12), the clamping portion (12) is inserted into the clamping groove (14), and a plurality of second sealing rings (13) are arranged between the clamping portion (12) and the clamping groove (14).

5. The apparatus for replacing the seal ring of the steel dam with pressure according to claim 1, wherein, The rear side of the waterproof sleeve shell (3) is fixedly provided with a third sealing ring (19), and the third sealing ring (19) is sleeved on the bottom horizontal shaft (2).

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