CN112252277A

CN112252277A - Steel dam gate bottom shaft lifting device

Info

Publication number: CN112252277A
Application number: CN202011195791.XA
Authority: CN
Inventors: 肖伟
Original assignee: Jiangsu Dingren Heavy Industry Machinery Co ltd
Current assignee: Jiangsu Dingren Heavy Industry Machinery Co ltd
Priority date: 2020-10-31
Filing date: 2020-10-31
Publication date: 2021-01-22

Abstract

The invention discloses a lifting device for a bottom shaft of a steel dam gate, which comprises a bottom shaft, an embedded part and a fixing part, wherein the embedded part is embedded in the downstream bottom of a river channel, and the fixing part is fixedly arranged at the upstream bottom of the river channel. The invention realizes that the water stopping effect of the device is in direct proportion to the water pressure, ensures that the water storage quantity does not influence water stopping, and can jack up the gate through the sleeve at the piston end of the hydraulic cylinder to play a role of assisting the lifting of the gate.

Description

Steel dam gate bottom shaft lifting device

Technical Field

The invention relates to the technical field of steel dam gates, in particular to a lifting device for a bottom shaft of a steel dam gate.

Background

The steel dam gate is installed on the empty opening of the buildings such as overflow dam, bank spillway, drain hole, hydraulic tunnel and sluice gate, etc. to regulate the flow, control the upstream and downstream water level, discharge flood, remove silt or floating material, etc. it is an important component of the hydraulic buildings.

At present, current steel dam gate still has certain weak point, adopts the integral type installation basically, and the later stage of being not convenient for is maintained and is changed, and the sealing performance of steel dam gate bottom shaft department is relatively poor, consequently, needs to design a steel dam gate bottom shaft elevating gear to solve above-mentioned problem urgently.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a lifting device for a bottom shaft of a steel dam gate.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a steel dam gate bottom shaft elevating gear, includes bottom shaft, built-in fitting and mounting, the built-in fitting is pre-buried in river course downstream bottom, the mounting is fixed to be set up in river course upper reaches bottom, a serial communication port, the top outer wall of built-in fitting is provided with T shaped steel, and the outer wall of T shaped steel slides and is provided with the free bearing that the equidistance distributes, the bottom shaft sets up on the free bearing, the both ends of bottom shaft set up in the headstock gear room in the wall body, are equipped with the headstock gear in the headstock gear room, the tip of bottom shaft is connected with the headstock gear through the turning arm, the outer wall of bottom shaft is provided with the gate, one side outer wall of mounting is provided with stagnant.

As a still further scheme of the invention: threaded holes are formed in four corners of the outer wall of the top of the hinged support, fixing bolts are connected to the inner wall of the threaded holes in a threaded mode, threaded grooves are formed in the four corners of the outer wall of the top of the embedded part, and the outer wall of each fixing bolt is connected with the inner wall of each threaded groove in a threaded mode.

As a still further scheme of the invention: the stagnant water mechanism includes holding down plate, depression bar, stagnant water spare and tray, the holding down plate passes through the fixed outer wall that sets up in one side of mounting of third ear seat, and the stagnant water spare sets up in the bottom outer wall of holding down plate through the depression bar is fixed, the tray sets up in river course one side, and the bottom outer wall of stagnant water spare and the outer wall of tray contact.

As a still further scheme of the invention: the water stop piece is made of rubber.

As a still further scheme of the invention: and reinforcing ribs are fixedly connected between the adjacent lower pressure rods.

As a still further scheme of the invention: the gate is connected with the sleeve through the rotation of second ear seat, and telescopic inside is provided with the pneumatic cylinder, the piston one end and the telescopic top inner wall fixed connection of pneumatic cylinder, the bottom of pneumatic cylinder is fixed through first ear seat and is set up in river course low reaches.

As a still further scheme of the invention: the inner wall of the sleeve is provided with a sealing ring, and the inner wall of the sealing ring is connected with the outer wall of the hydraulic cylinder in a sliding mode.

As a still further scheme of the invention: and an anti-corrosion layer is coated on the outer wall of the gate.

The invention has the beneficial effects that:

1. through the embedded part, the T-shaped steel and the fixing bolt, the T-shaped groove on the hinged support for fixing the bottom shaft can be directly clamped on the T-shaped steel on the embedded part, and then the hinged support and the embedded part can be connected through the fixing bolt, so that the effect of quickly fixing the hinged support is achieved, the stability is ensured, meanwhile, the later-stage disassembly and replacement are convenient, and the using effect is better;

2. through the lower pressing plate, the lower pressing rod, the water stopping piece and the supporting block, when the gate is in an upright state, water storage is started at the upstream, the generated water pressure can act on the lower pressing plate along with the rising of the water level, the lower pressing plate acts on the water stopping piece through the lower pressing rod at the bottom, so that the water stopping piece can be tightly attached to the bottom shaft and the supporting block, the water flow is effectively prevented from passing through the bottom, the water stopping effect of the device is in direct proportion to the water pressure, the water storage capacity is guaranteed not to be influenced, and the using effect is better;

3. through pneumatic cylinder, sleeve and the sealing washer that sets up, the work of drive pneumatic cylinder, the sleeve through pneumatic cylinder piston end can be with gate jack-up, plays the effect that supplementary gate goes up and down, and when the flexible in-process of pneumatic cylinder, the sealing washer in the sleeve can laminate mutually with the outer wall of pneumatic cylinder, avoids during water gets into the gap between pneumatic cylinder and the piston rod, can effectively prolong the life of pneumatic cylinder.

Drawings

Fig. 1 is a schematic cross-sectional structural view of a lifting device for a bottom shaft of a steel dam gate in embodiment 1;

fig. 2 is a schematic structural view of a water stopping mechanism of the lifting device of the bottom shaft of the steel dam gate in embodiment 1;

fig. 3 is a schematic view of the overall structure of a lifting device for a bottom shaft of a steel dam gate according to embodiment 2.

In the figure: the device comprises a bottom shaft 1, an embedded part 2, a 3T-shaped steel, a fixing bolt 4, a hinged support 5, a first lug seat 6, a hydraulic cylinder 7, a sleeve 8, a sealing ring 9, a second lug seat 10, a gate 11, a water stop 12, a lower pressing plate 13, a third lug seat 14, a fixing part 15, a lower pressing rod 16, a reinforcing rib 17, a supporting block 18 and an anti-corrosion layer 19.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a steel dam gate bottom shaft lifting device comprises a bottom shaft 1, an embedded part 2 and a fixing part 15, wherein the embedded part 2 is embedded in the downstream bottom of a river channel, the fixing part 15 is fixedly arranged at the upstream bottom of the river channel, the outer wall of the top of the embedded part 2 is provided with T-shaped steel 3, the outer wall of the T-shaped steel 3 is slidably provided with hinge seats 5 distributed equidistantly, the bottom shaft 1 is arranged on the hinge seats 5, two ends of the bottom shaft 1 are arranged in an opening and closing machine chamber in a wall body, an opening and closing machine is arranged in the opening and closing machine chamber, the end part of the bottom shaft 1 is connected with the opening and closing machine through a turning arm, the outer wall of the bottom shaft 1 is provided with.

Threaded holes are formed in four corners of the outer wall of the top of the hinged support 5, fixing bolts 4 are connected to the inner wall of each threaded hole in a threaded mode, threaded grooves are formed in four corners of the outer wall of the top of the embedded part 2, and the outer wall of each fixing bolt 4 is connected with the inner wall of each threaded groove in a threaded mode.

The water stopping mechanism comprises a lower pressing plate 13, a lower pressing rod 16, a water stopping piece 12 and a supporting block 18, the lower pressing plate 13 is fixedly arranged on the outer wall of one side of the fixing piece 15 through a third lug seat 14, the water stopping piece 12 is fixedly arranged on the outer wall of the bottom of the lower pressing plate 13 through the lower pressing rod 16, the supporting block 18 is arranged on one side of the river channel, and the outer wall of the bottom of the water stopping piece 12 is in contact with the outer wall of the supporting block 18.

The water stop 12 is made of rubber, has a certain ductility, and can be tightly attached to the bottom shaft 1.

And reinforcing ribs 17 are fixedly connected between adjacent lower pressing rods 16, so that the stability of the lower pressing rods 16 can be enhanced.

The outer wall of 11 one sides of gate rotates through second ear seat 10 and is connected with sleeve 8, and the inside of sleeve 8 is provided with pneumatic cylinder 7, and the top inner wall fixed connection of piston one end and sleeve 8 of pneumatic cylinder 7, the bottom of pneumatic cylinder 7 is fixed through first ear seat 6 and is set up in river course low reaches.

The inner wall of the sleeve 8 is provided with a sealing ring 9, and the inner wall of the sealing ring 9 is connected with the outer wall of the hydraulic cylinder 7 in a sliding way.

The working principle is as follows: when the device is used, a T-shaped groove on a hinged support 5 for fixing the bottom shaft 1 can be directly clamped on T-shaped steel 3 on an embedded part 2, then the hinged support 5 and the embedded part 2 can be connected through a fixing bolt 4, the effect of quickly fixing the hinged support 5 is achieved, the stability is guaranteed, meanwhile, the later-stage disassembly and replacement are convenient, the using effect is better, the bottom shaft 1 can be driven to rotate by driving a hoist to work, the bottom shaft 1 can drive a gate 11 to rotate, when the gate 11 is in an upright state, the upstream starts to store water, the generated water pressure can act on a lower pressure plate 13 along with the rise of the water level, the lower pressure plate 13 acts on a water stopping part 12 through a lower pressure rod 16 at the bottom, the water stopping part 12 can be tightly attached to the bottom shaft 1 and a support block 18, the water flow is effectively prevented from passing through the bottom, the water stopping effect and the water pressure of the device are in, the result of use is better, can be with 11 jack-ups of gate through the sleeve 8 of pneumatic cylinder 7 piston end, plays the effect of supplementary gate 11 lift, and when the flexible in-process of pneumatic cylinder 7, sealing washer 9 in the sleeve 8 can laminate mutually with the outer wall of pneumatic cylinder 7, avoids during water gets into the gap between pneumatic cylinder 7 and the piston rod, can effectively prolong pneumatic cylinder 7's life.

Example 2

Referring to fig. 3, the present embodiment further includes a corrosion prevention layer 19 coated on the outer wall of the gate 11, compared to embodiment 1.

The working principle is as follows: when the gate is used, the anti-corrosion effect of the gate 11 can be improved through the anti-corrosion layer 19 coated on the outer wall of the gate 11, and the service life of the gate 11 is further indirectly prolonged.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a steel dam gate bottom shaft elevating gear, includes bottom shaft (1), built-in fitting (2) and mounting (15), built-in fitting (2) are pre-buried in river course downstream bottom, mounting (15) are fixed to be set up in river course upper reaches bottom, its characterized in that, the top outer wall of built-in fitting (2) is provided with T shaped steel (3), and the outer wall of T shaped steel (3) slides and is provided with free bearing (5) that the equidistance distributes, bottom shaft (1) sets up on free bearing (5), the both ends of bottom shaft (1) set up in the headstock gear room in the wall body, are equipped with the headstock gear in the headstock gear room, the tip of bottom shaft (1) is connected with the headstock gear through turning arm, the outer wall of bottom shaft (1) is provided with gate (11), one side outer wall of mounting (15) is provided with stagnant water mechanism.

2. The lifting device for the bottom shaft of the steel dam gate according to claim 1, wherein four corners of the top outer wall of the hinged support (5) are all provided with threaded holes, the inner walls of the threaded holes are in threaded connection with fixing bolts (4), four corners of the top outer wall of the embedded part (2) are all provided with threaded grooves, and the outer walls of the fixing bolts (4) are in threaded connection with the inner walls of the threaded grooves.

3. The lifting device of the bottom shaft of the steel dam gate according to claim 1, wherein the water stopping mechanism comprises a lower pressing plate (13), a lower pressing rod (16), a water stopping piece (12) and a supporting block (18), the lower pressing plate (13) is fixedly arranged on the outer wall of one side of the fixing piece (15) through a third lug seat (14), the water stopping piece (12) is fixedly arranged on the outer wall of the bottom of the lower pressing plate (13) through the lower pressing rod (16), the supporting block (18) is arranged on one side of a river channel, and the outer wall of the bottom of the water stopping piece (12) is in contact with the outer wall of the supporting block (18).

4. The lifting device of the bottom shaft of the steel dam gate according to claim 3, wherein the water stop member (12) is made of rubber.

5. The lifting device for the bottom shaft of the steel dam gate according to claim 3, wherein a reinforcing rib (17) is fixedly connected between the adjacent depression bars (16).

6. The lifting device for the bottom shaft of the steel dam gate according to claim 1, wherein a sleeve (8) is rotatably connected to the outer wall of one side of the gate (11) through a second lug seat (10), a hydraulic cylinder (7) is arranged inside the sleeve (8), one end of a piston of the hydraulic cylinder (7) is fixedly connected with the inner wall of the top of the sleeve (8), and the bottom end of the hydraulic cylinder (7) is fixedly arranged at the downstream of a river channel through a first lug seat (6).

7. The lifting device for the bottom shaft of the steel dam gate according to claim 6, characterized in that the inner wall of the sleeve (8) is provided with a sealing ring (9), and the inner wall of the sealing ring (9) is slidably connected with the outer wall of the hydraulic cylinder (7).

8. The lifting device of the bottom shaft of the steel dam gate according to claim 1, wherein the outer wall of the gate (11) is coated with an anti-corrosion layer (19).