CN212956447U

CN212956447U - Two-way gate hoist of dam crest gate

Info

Publication number: CN212956447U
Application number: CN202021044748.9U
Authority: CN
Inventors: 常超; 李明伟; 于胜旺
Original assignee: Henan Xinqiteng Heavy Equipment Co ltd
Current assignee: Henan Xinqiteng Heavy Equipment Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-04-13
Anticipated expiration: 2030-06-09

Abstract

The utility model discloses a two-way gate-type hoist of dam crown gate, which comprises a housin, the top outer wall of casing has the motor through bolted connection, and the output shaft one end of motor runs through casing top outer wall welding and has first worm, be connected with first pivot through the bearing between the casing both sides inner wall, and the outer wall of first pivot is connected with first worm wheel through flat key, first worm wheel and first worm meshing, the one end of first pivot runs through casing one side outer wall welding and has the initiative bevel gear, and the bottom of initiative bevel gear is provided with the second pivot, the top welding of second pivot has driven bevel gear, and initiative bevel gear and driven bevel gear meshing, the bottom welding of second pivot has the second worm. The utility model discloses a first worm wheel and the first worm that set up utilize the auto-lock principle of first worm wheel and first worm for the headstock gear has the function of auto-lock, thereby makes the gate can also normally close under the comparatively torrent condition of rivers.

Description

Two-way gate hoist of dam crest gate

Technical Field

The utility model relates to a hydraulic engineering equipment technical field especially relates to a two-way gate-type headstock gear of dam crown gate.

Background

The dam is a water retaining structure for intercepting river channel water flow to raise water level or regulate flow, and is provided with a gate and a hoist for opening and closing the gate, wherein the hoist is generally arranged on the top of the dam to facilitate opening and closing of the gate.

The dam crest gate headstock gear of prior art does not have self-locking function, leads to the too big and unable closing of resistance of rivers that receive because of the gate when rivers are torrential, and the headstock gear is opened gate process time overlength moreover, leads to the gate can not open fast under emergency. Therefore, it is desirable to design a bidirectional gantry hoist for a dam top gate to solve the above problems.

Disclosure of Invention

The utility model aims at solving the problem that the gate can not be closed when the water flow is turbulent by the hoist in the prior art, and the hoist can not open the gate for too long time, and provides a two-way gate hoist for the gate on the dam top.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a two-way gate-type hoist of dam crown gate, includes the casing, the top outer wall of casing has the motor through bolted connection, and the output shaft one end of motor runs through casing top outer wall welding and has first worm, be connected with first pivot through the bearing between the casing both sides inner wall, and the outer wall of first pivot is connected with first worm wheel through the parallel key, first worm wheel and first worm meshing, the one end of first pivot runs through casing one side outer wall welding and has the initiative bevel gear, and the bottom of initiative bevel gear is provided with the second pivot, the top welding of second pivot has driven bevel gear, and initiative bevel gear and driven bevel gear meshing, the bottom welding of second pivot has the second worm.

The key concept of the technical scheme is as follows: by utilizing the self-locking principle of the first worm wheel and the first worm, the hoist has the self-locking function, so that the gate can be normally closed under the condition that water flow is turbulent.

Furthermore, a screw rod is arranged at the bottom of the second rotating shaft, a first thread and a second thread are arranged on the outer wall of the screw rod, and the screwing directions of the first thread and the second thread are opposite.

Furthermore, the outer wall of the screw rod is connected with a second worm wheel through a flat key, and the second worm wheel is meshed with a second worm.

Further, the bottom of lead screw is provided with upper guideway and lower guideway, and is provided with left gate and right gate between upper guideway and the lower guideway, the outer wall of lead screw has two ball nuts through threaded connection, and the bottom outer wall of two ball nuts all has the connecting piece, two through bolted connection respectively with left gate and right gate.

Furthermore, the outer wall of the top of the lower guide rail is provided with a lower rail groove, the outer walls of the bottoms of the left gate and the right gate are respectively connected with a lower roller through a shaft in a rotating manner, and the lower rollers are positioned in the lower rail groove and are in rolling connection with the lower guide rail.

Furthermore, the outer wall of the top of the upper guide rail is provided with an upper rail groove, the outer walls of the tops of the left gate and the right gate are rotatably connected with upper rollers through shafts, and the upper rollers are positioned inside the upper rail groove and are in rolling connection with the upper guide rail.

The utility model has the advantages that:

1. through the first worm wheel and the first worm that set up, utilize the auto-lock principle of first worm wheel and first worm for the headstock gear has the function of auto-lock, thereby makes the gate can also normally close under the comparatively torrential condition of rivers.

2. Through the lead screw, left gate and the right gate that set up, utilize the lead screw to revolve to opposite first screw thread and second screw thread for left gate and right gate can be opened to both sides simultaneously under the rotation of lead screw, make the gate open required time and halve, have consequently realized the effect that the gate can be opened fast.

3. Through the left chimb and the right chimb that set up, utilize the left chimb on the left gate and the right chimb phase-match on the right gate for left gate and right gate can be closed when closing comparatively closely.

4. Through the upper idler wheel and the lower idler wheel which are arranged, the left gate and the right gate are opened by the rolling of the upper idler wheel in the upper guide rail and the rolling of the lower idler wheel in the lower guide rail, the resistance of the left gate and the right gate in the opening or closing process is reduced, and the energy is saved.

Drawings

Fig. 1 is a schematic structural view of a bidirectional gate hoist for a dam crest gate according to the present invention;

fig. 2 is a schematic view of a left convex edge structure of a bidirectional gate hoist for a dam roof gate of the present invention;

fig. 3 is a schematic structural view of an upper guide rail of a bidirectional gantry hoist for a dam top gate of the present invention;

fig. 4 is the utility model provides a shell structure schematic diagram of a two-way gantry hoist of dam crown gate.

In the figure: the device comprises a shell 1, a motor 2, a first rotating shaft 3, a driving bevel gear 4, a driven bevel gear 5, a second rotating shaft 6, a second worm 7, a lead screw 8, a second worm wheel 9, a first worm wheel 10, a ball nut 11, a connecting piece 12, a first worm 13, an upper guide rail 14, a lower guide rail 15, a left gate 16, a right gate 17, a left convex edge 18, a right convex edge 19, a lower guide rail groove 20, a lower roller 21, an upper guide rail groove 22, an upper roller 23, a first thread 24 and a second thread 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, a bidirectional gate hoist for a dam roof gate comprises a housing 1, a cavity is formed in the housing 1, a motor 2 is connected to the outer wall of the top of the housing 1 through a bolt, the motor 2 is 80M2-6, a first worm 13 is welded to one end of an output shaft of the motor 2, which penetrates through the outer wall of the top of the housing 1, a first rotating shaft 3 is connected between the inner walls of two sides of the housing 1 through a bearing, a first worm wheel 10 is connected to the outer wall of the first rotating shaft 3 through a flat key, the first worm wheel 10 is engaged with the first worm 13 for self-locking, the first rotating shaft 3 is driven to rotate by the rotation of the motor 2, a driving bevel gear 4 is welded to one end of the first rotating shaft 3, a second rotating shaft 6 is arranged at the bottom of the driving bevel gear 4, and a driven bevel gear 5 is welded, and the driving bevel gear 4 is meshed with the driven bevel gear 5, the second rotating shaft 6 is driven to rotate by the rotation of the first rotating shaft 3, and a second worm 7 is welded at the bottom of the second rotating shaft 6.

As can be seen from the above description, the present invention has the following advantages: through the arrangement of the first worm wheel 10 and the first worm 13, the hoist has a self-locking function by utilizing the self-locking principle of the first worm wheel 10 and the first worm 13, so that the gate can be normally closed under the condition that water flow is turbulent.

Further, a screw rod 8 is arranged at the bottom of the second rotating shaft 6, a first thread 24 and a second thread 25 are arranged on the outer wall of the screw rod 8, and the thread turning directions of the first thread 24 and the second thread 25 are opposite.

Further, the outer wall of the screw rod 8 is connected with a second worm wheel 9 through a flat key, and the second worm wheel 9 is meshed with the second worm 7, so that the second rotating shaft 6 drives the screw rod 8 to rotate when rotating.

Further, the bottom of the screw 8 is provided with an upper guide rail 14 and a lower guide rail 15, a left gate 16 and a right gate 17 are arranged between the upper guide rail 14 and the lower guide rail 15, the outer wall of the screw 8 is connected with two ball nuts 11 through threads, the two ball nuts 11 are respectively in threaded connection with a first thread 24 and a second thread 25, the outer walls of the bottoms of the two ball nuts 11 are respectively connected with a connecting piece 12 through bolts, the two connecting pieces 12 are respectively in threaded connection with the left gate 16 and the right gate 17, and the two ball nuts 11 are moved on the first thread 24 and the second thread 25 which are different in rotation direction to open and close the left gate 16 and the right gate 17.

Further, a lower rail groove 20 is formed in the outer wall of the top of the lower guide rail 15, lower rollers 21 are rotatably connected to the outer walls of the bottoms of the left gate 16 and the right gate 17 through shafts, the lower rollers 21 are located inside the lower rail groove 20 and are in rolling connection with the lower guide rail 15, and when the left gate 16 and the right gate 17 move, the lower rollers 21 roll inside the lower rail groove 20, so that friction force applied to the movement of the left gate 16 and the right gate 17 is reduced.

Furthermore, the outer wall of the top of the upper guide rail 14 is provided with an upper rail groove 22, the outer walls of the tops of the left gate 16 and the right gate 17 are rotatably connected with an upper roller 23 through a shaft, the upper roller 23 is positioned inside the upper rail groove 22 and is in rolling connection with the upper guide rail 14, and when the left gate 16 and the right gate 17 move, the upper roller 23 rolls inside the upper rail groove 22, so that the friction force on the left gate 16 and the right gate 17 during moving is further reduced.

Furthermore, a left convex edge 18 is arranged on one side of the left gate 16 close to the right gate 17, a right convex edge 19 is arranged on one side of the right gate 17 close to the left gate 16, and the left convex edge 18 on the left gate 16 is matched with the right convex edge 19 on the right gate 17, so that the left gate 16 and the right gate 17 are closed tightly.

Through the lead screw 8, the left gate 16 and the right gate 17 that set up, utilize first screw thread 24 and the second screw thread 25 that the rotation is opposite on the lead screw 8 for left gate 16 and right gate 17 can be opened to both sides simultaneously under the rotation of lead screw 8, make the gate open required time and halve, consequently realized the effect that the gate can be opened fast.

In the following, some preferred embodiments or application examples are listed to help those skilled in the art to better understand the technical content of the present invention and the technical contribution of the present invention to the prior art:

example 1

A dam top gate two-way portal hoist comprises a shell 1, a cavity is arranged inside the shell 1, the outer wall of the top of the shell 1 is connected with a motor 2 through bolts, the model of the motor 2 is 80M2-6, one end of an output shaft of the motor 2 penetrates through the outer wall of the top of the shell 1 and is welded with a first worm 13, a first rotating shaft 3 is connected between the inner walls of two sides of the shell 1 through a bearing, the outer wall of the first rotating shaft 3 is connected with a first worm wheel 10 through a flat key, the first worm wheel 10 is meshed with the first worm 13 and can be self-locked, the first rotating shaft 3 is driven to rotate by the rotation of the motor 2, one end of the first rotating shaft 3 penetrates through the outer wall of one side of the shell 1 and is welded with a driving bevel gear 4, the bottom of the driving bevel gear 4, and the driving bevel gear 4 is meshed with the driven bevel gear 5, the second rotating shaft 6 is driven to rotate by the rotation of the first rotating shaft 3, and a second worm 7 is welded at the bottom of the second rotating shaft 6.

The bottom of the second rotating shaft 6 is provided with a screw rod 8, the outer wall of the screw rod 8 is provided with a first thread 24 and a second thread 25, and the thread turning directions of the first thread 24 and the second thread 25 are opposite; the outer wall of the screw rod 8 is connected with a second worm wheel 9 through a flat key, and the second worm wheel 9 is meshed with the second worm 7, so that the screw rod 8 is driven to rotate when the second rotating shaft 6 rotates; an upper guide rail 14 and a lower guide rail 15 are arranged at the bottom of the screw 8, a left gate 16 and a right gate 17 are arranged between the upper guide rail 14 and the lower guide rail 15, two ball nuts 11 are connected to the outer wall of the screw 8 through threads, the two ball nuts 11 are respectively in threaded connection with a first thread 24 and a second thread 25, the outer walls of the bottoms of the two ball nuts 11 are respectively connected with a connecting piece 12 through bolts, the two connecting pieces 12 are respectively in threaded connection with the left gate 16 and the right gate 17 through bolts, and the two ball nuts 11 move on the first thread 24 and the second thread 25 which are different in rotation direction to open and close the left gate 16 and the right gate 17; the outer wall of the top of the lower guide rail 15 is provided with a lower rail groove 20, the outer walls of the bottoms of the left gate 16 and the right gate 17 are both connected with a lower roller 21 through a shaft in a rotating manner, the lower roller 21 is positioned inside the lower rail groove 20 and is connected with the lower guide rail 15 in a rolling manner, and when the left gate 16 and the right gate 17 move, the lower roller 21 rolls inside the lower rail groove 20, so that the friction force applied to the movement of the left gate 16 and the right gate 17 is reduced; an upper rail groove 22 is formed in the outer wall of the top of the upper guide rail 14, upper rollers 23 are rotatably connected to the outer walls of the tops of the left gate 16 and the right gate 17 through shafts, the upper rollers 23 are located inside the upper rail groove 22 and are in rolling connection with the upper guide rail 14, and when the left gate 16 and the right gate 17 move, the upper rollers 23 roll inside the upper rail groove 22, so that the friction force on the left gate 16 and the right gate 17 during movement is further reduced; a left convex edge 18 is arranged on one side of the left gate 16 close to the right gate 17, a right convex edge 19 is arranged on one side of the right gate 17 close to the left gate 16, and the left convex edge 18 on the left gate 16 is matched with the right convex edge 19 on the right gate 17, so that the left gate 16 and the right gate 17 are closed tightly.

The working principle is as follows: when the automatic opening and closing device is used, the power supply of the motor 2 is switched on, the output shaft of the motor 2 drives the first worm 13 to rotate, the first worm 13 drives the first worm gear 10 to rotate, the first worm gear 10 drives the first rotating shaft 3 to rotate, the first rotating shaft 3 drives the driving bevel gear 4 to rotate, the driving bevel gear 4 drives the driven bevel gear 5 to rotate, the driven bevel gear 5 drives the second rotating shaft 6 to rotate, the second rotating shaft 6 drives the second worm 7 to rotate, the second worm 7 drives the second worm gear 9 to rotate, the second worm gear 9 drives the screw rod 8 to rotate, when the screw rod 8 rotates, the two ball nuts 11 on the screw rod 8 move to two ends of the screw rod 8 through the first threads 24 and the second threads 25 which are oppositely rotated, the two ball nuts 11 drive the left gate 16 and the right gate 17 to respectively move to two sides through the connecting piece 12, and the left gate 16 and the right gate 17 respectively move to the upper guide rail 14 and the lower guide rail 21 through the upper roller 23 and the The rail 15 is rolled therein, thereby allowing the left and

right shutters

16 and 17 to be easily opened.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a two-way portal hoist of dam crest gate, includes casing (1), its characterized in that, there is motor (2) at the top outer wall of casing (1) through bolted connection, and the output shaft one end of motor (2) runs through casing (1) top outer wall and welds first worm (13), be connected with first pivot (3) through the bearing between the casing (1) both sides inner wall, and the outer wall of first pivot (3) is connected with first worm wheel (10) through the parallel key, first worm wheel (10) and first worm (13) meshing, the one end of first pivot (3) runs through casing (1) one side outer wall and welds initiative bevel gear (4), and the bottom of initiative bevel gear (4) is provided with second pivot (6), the top welding of second pivot (6) has driven bevel gear (5), and initiative bevel gear (4) and driven bevel gear (5) meshing, and a second worm (7) is welded at the bottom of the second rotating shaft (6).

2. The gate two-way portal hoist of the dam crest according to claim 1, characterized in that the bottom of the second rotating shaft (6) is provided with a screw rod (8), the outer wall of the screw rod (8) is provided with a first thread (24) and a second thread (25), and the thread directions of the first thread (24) and the second thread (25) are opposite.

3. The dam crown gate bidirectional portal hoist of claim 2, characterized in that the outer wall of the screw rod (8) is connected with a second worm wheel (9) through a flat key, and the second worm wheel (9) is meshed with a second worm (7).

4. The dam crest gate two-way portal hoist of claim 2, characterized in that the bottom of the screw rod (8) is provided with an upper guide rail (14) and a lower guide rail (15), a left gate (16) and a right gate (17) are arranged between the upper guide rail (14) and the lower guide rail (15), the outer wall of the screw rod (8) is connected with two ball nuts (11) through threads, the outer walls of the bottoms of the two ball nuts (11) are both connected with a connecting piece (12) through bolts, and the two connecting pieces (12) are respectively connected with the left gate (16) and the right gate (17) through bolts.

5. The two-way portal hoist of the dam roof gate is characterized in that the outer wall of the top of the lower guide rail (15) is provided with a lower rail groove (20), the outer walls of the bottoms of the left gate (16) and the right gate (17) are respectively rotatably connected with a lower roller (21) through a shaft, and the lower rollers (21) are positioned inside the lower rail groove (20) and are in rolling connection with the lower guide rail (15).

6. The dam roof gate two-way portal hoist of claim 4, characterized in that the top outer wall of the upper guide rail (14) is provided with an upper rail groove (22), the top outer walls of the left gate (16) and the right gate (17) are both rotatably connected with an upper roller (23) through a shaft, and the upper roller (23) is positioned inside the upper rail groove (22) and is connected with the upper guide rail (14) in a rolling manner.

7. The two-way portal hoist of the dam roof gate according to claim 4, characterized in that the side of the left gate (16) close to the right gate (17) is provided with a left flange (18), and the side of the right gate (17) close to the left gate (16) is provided with a right flange (19).