CN113931141A

CN113931141A - Screw brake control device

Info

Publication number: CN113931141A
Application number: CN202111308886.2A
Authority: CN
Inventors: 杨岚斐; 罗朝传; 张国锋; 余聪; 罗强; 李冰源
Original assignee: Chengdu Zhihui Nongfu Technology Co ltd
Current assignee: Chengdu Zhihui Nongfu Technology Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-01-14

Abstract

The invention provides a screw brake control device, comprising: the first bottom plate is fixedly arranged on the first support; the hoist is fixedly arranged on the first bottom plate; the gate screw rod sequentially penetrates through the hoist, the first bottom plate and the first support; the motor is fixedly arranged on one side of the hoist, and an output shaft of the motor is in transmission connection with the hoist; the brake level meter comprises a stroke gear, an encoder and an encoder bracket; the encoder is fixedly arranged on the encoder bracket, and the encoder bracket is fixedly arranged on the hoist. The limiting device comprises a limiting ring and a limiting switch, the limiting ring is sleeved on the gate screw, the limiting switch comprises a first limiting switch and a second limiting switch, and the first limiting switch is fixedly installed on the encoder support. The gate control device can be used for transforming an existing old gate, is highly integrated in mechanical structure and small in size, and can meet the requirement of an automatic control gate in an intelligent water conservancy system.

Description

Screw brake control device

Technical Field

The invention relates to the field of hydraulic engineering, in particular to a screw brake control device.

Background

The screw rod floodgate is a mechanical device for hydraulic engineering, which is connected with a gate door leaf directly or through a guide sliding block and a connecting rod by using a threaded rod, and the screw rod moves up and down to open and close the gate. The screw gate plays an important role in hydraulic engineering as one of traditional hydraulic engineering infrastructures, and plays a great positive role in flood control, industrial and agricultural production protection, life and property safety of people, environmental protection and the like.

With the vigorous promotion of the 'internet plus' modern agriculture, the modern information technologies such as the internet of things, cloud computing, big data, mobile internet and the like are applied to promote the automatic modification and upgrading of agricultural water conservancy machinery to become key work. Screw-rod gate that uses at present belongs to manual, semi-automatic gate mostly, opens troublesome, safety measure is not enough, do not have water conservancy data acquisition records such as flow, can not be to the reasonable distribution of water resource, along with internet of things's continuous development, traditional agricultural irrigation transformation upgrading is absolutely necessary, and the water resource of rational utilization realizes high-efficient water-saving agriculture, must use highly automated water conservancy gate.

On one hand, the existing old gate cannot meet the existing requirement, but the replacement cost of the existing old gate is huge, and how to automatically modify the existing old gate is a problem to be solved by technical personnel in the field. On the other hand, developing intelligent water conservancy will certainly require that the volume of gate is littleer and littleer, and how to rationally arrange all necessary components in limited space is the problem that the skilled person in the art awaits solution urgently.

Disclosure of Invention

The invention aims to provide a screw gate control device which can be used for transforming the existing old gate, has a highly integrated mechanical structure and a compact space structure, and can meet the requirement of automatically controlling the gate in an intelligent water conservancy system.

The invention is realized by the following steps:

the utility model provides a screw rod floodgate accuse device, the cover is located on the gate screw rod, includes:

the first bottom plate is fixedly connected with the first support;

the hoist is fixedly connected with the first bottom plate; the gate screw rod sequentially penetrates through the hoist, the first bottom plate and the first support;

the motor is fixedly arranged on one side of the hoist and is in transmission connection with the hoist; the motor driver is electrically connected with the motor;

the brake level meter comprises a stroke gear, an encoder and an encoder bracket, wherein the stroke gear is in transmission connection with the encoder; the encoder is fixedly arranged on the encoder bracket, the encoder bracket is fixedly arranged on the hoist, and the stroke gear is meshed with the gate screw rod.

The limiting device comprises a limiting ring and a limiting switch, the limiting ring is sleeved on the gate screw, the limiting switch comprises a first limiting switch and a second limiting switch, and the first limiting switch is fixedly installed on the encoder support.

Furthermore, the encoder support comprises a first side plate, a second side plate and a third flat plate, wherein the first side plate and the second side plate are parallel and symmetrical along the middle plane of the first side plate and the second side plate, and mounting holes are formed in the same positions.

Furthermore, the limiting ring comprises a first limiting ring and a second limiting ring which are all sleeved on the gate screw rod.

Furthermore, the device also comprises a limiting support plate which is fixed on the first bracket; the second limit switch is fixed on the limit support plate.

Further, still include: the second support is fixedly arranged on one side, close to the motor, of the first bottom plate, and the second bottom plate is fixedly arranged on the second support; the air switch is connected with the guide rail in a sliding mode, and the guide rail is fixed on the second support.

Further, still include: the gate controller is fixed on the second support.

Further, still include: the storage battery is fixed on the third bottom plate, and the charging controller is fixed on the second bottom plate.

Further, still include: the base is fixedly connected with the first support, and the gate screw penetrates through the opening of the base.

Further, a base plate is arranged between the hoist and the first bottom plate.

The screw rod protective cover comprises a first support, a second support and a screw rod, wherein the first support is arranged on the outer side of the first support; the screw rod safety cover sets up in the gate screw rod outside.

The technical scheme provided by the invention has the beneficial effects that:

compared with the prior art, the screw brake control device provided by the invention at least has the following beneficial effects:

1. automatic transformation is carried out to original old screw rod floodgate, automation equipment such as headstock gear, floodgate position meter and stopper are newly increased on the gate screw rod to need not to change old gate is whole, satisfied the automated control demand of water conservancy gate, practiced thrift the transformation cost.

2. The gate control device has the advantages that the hoist, the motor, the gate position meter and the limiter are reasonably arranged by adopting a simple mechanical structure, so that the space structure of the gate control device is compact and reasonable, the mechanical integration level is improved, and the whole volume is reduced.

Drawings

To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, and it should be understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope. In order to show the embodiment of the invention more clearly and highlight the invention main points, the attached drawings omit the screw thread outside the gate screw.

FIG. 1 is a schematic structural view of an alternative embodiment of a screw gate control device provided in an embodiment of the present invention;

FIG. 2 is a schematic structural view of an alternative embodiment of a screw gate control device provided in an embodiment of the present invention;

FIG. 3 is a schematic structural view of an alternative embodiment of a screw gate control device provided in accordance with an embodiment of the present invention;

FIG. 4 is a schematic structural view of an alternative embodiment of a screw gate control device provided in accordance with an embodiment of the present invention;

FIG. 5 is a schematic view of an encoder bracket in an alternative embodiment of the screw gate control apparatus provided in accordance with an embodiment of the present invention;

FIG. 6 is a schematic structural view of an alternative embodiment of a screw gate control device according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of an alternative embodiment of a screw gate control device according to an embodiment of the present invention;

FIG. 8 is a schematic structural view of an alternative embodiment of a screw gate control device according to an embodiment of the present invention;

FIG. 9 is a schematic structural view of an alternative embodiment of the screw gate control device provided in the present embodiment;

FIG. 10 is a schematic structural view of an alternative embodiment of the screw gate control device provided in the present embodiment;

wherein, the external thread of the gate screw is omitted in fig. 1-4 and 6-8.

Icon: 11-a first base plate; 12-a first scaffold; 13-gate screw; 14-a backing plate; 30-a hoist; 31-a motor; 32-a motor driver; 33-an air switch; 34-a guide rail; 35-a guide rail support plate; 40-a gate position meter; 41-stroke gear; 42-an encoder; 43-an encoder support; 44-mounting holes; 45-a first side panel; 46-a second side panel; 47-third plate; 48-ear plate; 51-a first stop collar; 52-a second stop collar; 53-a first limit switch; 54-a second limit switch; 55-a limiting support plate; 21-a second bottom plate; 22-a second support; 23-a strut; 24-a third base plate; 61-a gate controller; 62-screen backboard; 63-a solid state relay; 64-a display panel; 71-a storage battery; 72-a charge controller; 81-outer shell; 82-housing door; 83-bracket baffle; 84-screw rod protective cover; 90-base.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example (b):

referring to fig. 1 to 4, fig. 1 is a schematic block diagram of an alternative embodiment of a screw gate control device according to an embodiment of the present invention, and this embodiment provides a screw gate control device, including a gate screw 13, and further including: the first base plate 11 is fixedly arranged on the first support 12; the hoist 30 is fixedly arranged on the first bottom plate 11; the gate screw 13 sequentially penetrates through the hoist 30, the first bottom plate 11 and the first support 12; the motor 31 is fixedly arranged on one side of the hoist 30 and is in transmission connection with the hoist 30; the brake level meter 40 comprises a stroke gear 41, an encoder 42 and an encoder bracket 43, wherein the stroke gear 41 is in transmission connection with the encoder 42; the encoder 42 is fixedly arranged on the encoder bracket 43, and the encoder bracket 43 is fixedly arranged on the hoist 30; the stroke gear 41 is meshed with the gate screw 13; the limiter comprises a limiting ring and a limiting switch, the limiting ring is sleeved on the gate screw 13, the limiting switch comprises a first limiting switch 53 and a second limiting switch 54, and the first limiting switch 53 is fixedly installed on the encoder bracket 43.

In the embodiment, the screw gate is widely applied to water in a water control pipe of an agricultural irrigation channel, the gate screw 13 is connected to the gate main body for lifting or lowering the gate main body, and referring to fig. 1, the first support 12 is a frame-shaped mounting frame including a plurality of rectangular frames for supporting devices such as a hoist 30 and a motor 31. Optionally, the first bracket 12 is further provided with a partition plate to separate the inside of the first bracket 12 into a large space and a small space, the gate screw 13 penetrates through one of the small spaces, and the other large space can be used for accommodating other gate control devices. Referring to fig. 3, in the present embodiment, the first bottom plate 11 is installed above the first bracket 12, and the first bottom plate 11 and the first bracket 12 can be fixed by bolts, the first bottom plate 11 is pre-provided with a through hole adapted to the gate screw 13, and the gate screw 13 can directly pass through the first bottom plate 11 and the first bracket 12 during installation. Meanwhile, the hoist 30 is also sleeved on the gate screw 13, and both the hoist 30 and the motor 31 are fixedly mounted on the first bottom plate 11. The hoist 30 in this embodiment is a screw hoist, is used for driving a screw to ascend and descend, and is one of the main devices of an automatic gate. In order to facilitate transmission, the hoist 30 and the motor 31 in the embodiment are directly fixed, specifically, the hoist 30 is provided with an installation interface adapted to the motor 31, the motor 31 is directly fixed on the installation interface of the hoist 30 by bolts, the motor 31 converts electric energy into mechanical energy, an output shaft of the motor is in transmission connection with the hoist 30, and the hoist 30 drives a screw to perform lifting motion, so that other transmission mechanisms are not needed, transmission efficiency is improved, a mechanical structure is simplified, occupied space is reduced, and installation and maintenance are more convenient.

In some alternative embodiments, please refer to fig. 5, fig. 5 is a schematic structural view of an encoder bracket 43 in an alternative embodiment of the screw gate control device provided in the present invention, in which fig. 5-a is a side view, fig. 5-b is a top view, fig. 5-c is a schematic perspective view, and fig. 5-d is a front view. The encoder bracket 43 includes a first side plate 45, a second side plate 46, and a third plate 47, and the first side plate 45 and the second side plate 46 are parallel and have a symmetrical structure along a middle plane, and mounting holes 44 are formed at the same positions. The encoder bracket 43 is used for fixing the stroke gear 41, the encoder 42 and the first limit switch 53 at proper positions, so that the stroke gear 41 is used for being meshed with threads on the gate screw 13 of the screw gate, the stroke gear 41 can be in transmission connection with the encoder 42 through an intermediate shaft or directly fixedly connected with an input shaft of the encoder 42, the gate screw 13 ascends and descends to drive the input shaft of the encoder 42 to rotate forward and backward, and the encoder 42 can output an opening signal of the gate. Referring to fig. 5-d, the front view of the encoder bracket 43 is a pi-shaped or a few-shaped structure, and the first side plate 45, the second side plate 46 and the third plate 47 are fixedly connected to form an integral structure. First curb plate 45 and second curb plate 46 parallel arrangement do benefit to and have improved support stability, have practiced thrift installation space, and two curb plates all are equipped with otic placodes 48, have preset the screw on the otic placode 48, and the position of conveniently aliging requires to reduce to the precision when workman installs. Referring to fig. 5-c, in the present embodiment, the encoder 42 passes through the mounting hole 44 and is fixed on the encoder bracket 43, the mounting holes 44 are pre-formed on the first side plate 45 and the second side plate 46, and the first side plate 45 and the second side plate 46 are completely symmetrical in structure, so that when a worker installs the encoder on site, the encoder 42 can be installed on any one of the side plates according to actual conditions, and the encoder is suitable for gate screws 13 of various specifications, can be used for transforming various old gates, and is more convenient to operate. In a further preferred embodiment, referring to fig. 3, the first side plate 45 and the second side plate 46 are inclined away from the gate screw 13 to leave an installation space for the first limit switch 53, and the width of the third plate 47 is generally larger than the diameter of the gate screw 13, so that the first side plate 45 and the second side plate 46 are located at two sides of the gate screw 13, thereby further saving the installation space. In fig. 3, the first side plate 45 and the second side plate 46 are both parallelograms, which are more simplified in shape and simplify the manufacturing process.

In some optional embodiments, please refer to fig. 4, the limiting ring includes a first limiting ring 51 and a second limiting ring 52, which are respectively sleeved on the gate screw 13. Preferably, the screw gate control device provided by the embodiment further includes a limiting support plate 55, which is fixedly mounted on the first bracket 12; the second limit switch 54 is fixed on the limit support plate 55; the height of the limiting support plate 55 is matched with the position of the second limiting ring 52.

With continued reference to fig. 1-4, in the present embodiment, both of the two limit rings are sleeved on the gate screw 13, the limit support plate 55 is used to provide support for the second limit switch 54 at a reasonable position, and can be fixed on the rectangular frame of the first bracket 12 by using bolts, the positions of the first limit ring 51 and the second limit ring 52 on the gate screw 13 are determined according to the maximum opening degree of the gate, specifically, the maximum opening degree of the gate is equal to the difference between the distance between the first limit ring 51 and the second limit ring 52 and the vertical distance between the first limit switch 53 and the second limit switch 54, and therefore, the height of the second limit ring 52 in the vertical direction should be lower than the height of the second limit switch 54. In this embodiment, the first limit switch 53 is a lower limit switch, and when the gate screw 13 descends, the first limit ring 51 collides with the first limit switch 53 to trigger a lower limit action, so that the gate stops descending; the second limit switch 54 is an upper limit switch, and when the gate screw 13 ascends, the first limit ring 51 collides with the second limit switch 54 to trigger the upper limit operation, and the gate stops ascending.

In some optional embodiments, referring to fig. 6 to 8, the screw gate control device provided in this embodiment further includes: the second bottom plate 21 and the second bracket 22, the second bracket 22 is fixedly installed on one side of the first bottom plate 11 close to the motor 31, and the second bottom plate 21 is fixedly installed on the second bracket 22; further, a motor driver 32 fixedly installed on the second base plate 21, an air switch 33, and a guide rail 34 are included. The air switch 33 is slidably connected to the guide rail 34, the guide rail 34 is fixed to the guide rail support 35, and the guide rail support 35 is fixedly attached to the second bracket 22. In fig. 6, the second support 22 is also composed of a plurality of rectangular frames, the combination of the first support 12 and the second support 22 forms a double-layer structure, the internal space is reasonably utilized, and the second support 22 is arranged above the motor 31, so that the mechanical structure layout is more regular.

In some optional embodiments, referring to fig. 6 to 8, the screw gate control device provided in this embodiment further includes: the gate controller 61 is fixedly mounted on the second support 22, specifically, the gate controller 61 comprises a screen back plate 62, the second support 22 is provided with a support rod 23, and the screen back plate 62 is fixedly connected with the support rod 23; the solid-state relay 63 is mounted on the second base plate 21. In some preferred embodiments, the present embodiment provides the screw gate control device further comprising: the bottom of the second bracket 22 is also provided with a third bottom plate 24, the storage battery 71 is fixedly arranged on the third bottom plate 24, and the charging controller 72 is fixedly arranged on the second bottom plate 21.

The gate controller 61 in this embodiment is an intelligent device specially designed to control the hoist 30, the gate level gauge 40, and the like, and includes a Linux core, a motor control module, an encoder module, and a limit module, receives a remote operation instruction in real time by accessing the internet, and integrates various functions such as water level data acquisition and gate control. The solid-state relay 63 is used for realizing the isolation of the gate controller 61 from other load devices and keeping the stable operation of the automatic gate. In this embodiment, the shutter controller 61 includes a display panel 64 and a screen back plate 62, the main body of the shutter controller 61 is embedded in the screen back plate 62, and the screen back plate 62 is detachably and fixedly connected to the support rod 23. Specifically, the two can be fixed by bolts, and the display panel 64 of the gate controller 61 faces outward, so that the data can be conveniently checked by the worker.

In this embodiment, the shutter controller 61 is electrically connected to the charge controller 72, the charge controller 72 is electrically connected to the battery 71, the motor driver 32 is connected to the motor 31, and is electrically connected to the air switch 33 and the solid-state relay 63, and the hoist 30 is drivingly connected to the motor 31. The limit switch is electrically connected with the gate controller 61 and the motor driver 32 respectively, and the encoder 42 is electrically connected with the gate controller 61 and used for measuring and calculating gate position data.

In some optional embodiments, referring to fig. 6 to 10, the screw gate control device provided in this embodiment further includes: the base 90, the base 90 is fixedly connected with the first support 12, specifically, the base 90 is in a ladder-shaped structure, and the gate screw 13 passes through the opening of the base 90. In this embodiment, the base 90 is used to support the first support 12 and fix it at a suitable position, and the base 90 is detachably and fixedly connected to the first support 12, so that whether to add the base 90 can be selected according to the terrain and features of the gate. The base 90 is suitable for fixing a general rural irrigation canal gate.

Referring to fig. 1-4, in some alternative embodiments, a pad 14 is disposed between the hoist 30 and the first base plate 11. The pad plate 14 serves to cushion and damp vibrations while adjusting the height of the hoist 30. In some alternative embodiments, referring to fig. 9 and 10, the screw gate control device provided in this embodiment further includes an outer casing 81 and a screw protection cover 84, where the outer casing 81 is a rigid box-shaped structure and is generally made of a hard corrosion-resistant and moisture-proof material, such as alloy coated with a protective layer, for protecting internal equipment. Structurally, the outer case 81 includes a case door 82 and a bracket shutter 83, and the bracket shutter 83 is installed at the outer sides of the first and

second brackets

12 and 22. The screw protection cover 84 is sleeved outside the screw. Referring to fig. 8, the bracket baffle 83 is fixed to the first bracket 12 and the second bracket 22 to protect the internal devices, so that the overall appearance is simpler and more neat. The housing door 82 is provided on the side where the shutter controller 61 is provided, and is movably connected to the second bracket 22 so as to be openable from the outside. Optionally, a plurality of shell doors 82 may be provided, which facilitates the maintenance and debugging of the internal devices.

As can be seen from the above embodiments, the screw gate control device provided by the present invention has the following beneficial effects as a whole:

1. can directly be applied to the transformation of traditional old screw brake and need not demolish the main part, increase automatic start and stop device and solar energy power supply system, become the automatic start and stop gate with original manual gate.

2. A brake level meter and a limit switch are added, and control and multiple protection effects are achieved.

3. And a control system is added, so that the functions of remote control, data communication, video image acquisition and the like can be realized.

4. The integrated start-stop device, the control system, the brake level meter, the limit switch and other devices simplify the mechanical structure, are convenient to install and debug on site, and are simple to maintain in the later period.

Claims

1. The utility model provides a screw rod floodgate accuse device, the cover is located on the gate screw rod, its characterized in that includes:

the first bottom plate is fixedly connected with the first support;

the brake level meter comprises a stroke gear, an encoder and an encoder bracket, wherein the stroke gear is in transmission connection with the encoder; the encoder is fixedly arranged on the encoder bracket, the encoder bracket is fixedly arranged on the hoist, and the stroke gear is meshed with the gate screw;

2. The screw gate brake apparatus of claim 1, wherein the encoder bracket includes a first side plate, a second side plate, and a third plate, the first side plate and the second side plate are parallel and symmetrical along a middle plane thereof, and the first side plate and the second side plate are provided with mounting holes at the same positions.

3. The screw gate control device according to claim 1, wherein the retainer ring comprises a first retainer ring and a second retainer ring, both of which are sleeved on the gate screw.

4. The screw gate control device according to claim 3, further comprising a limit support plate fixed to the first bracket; the second limit switch is fixed on the limit support plate.

5. The screw gate control device according to claim 1, further comprising:

the second support is fixedly arranged on one side, close to the motor, of the first bottom plate, and the second bottom plate is fixedly arranged on the second support;

the air switch is connected with the guide rail in a sliding mode, and the guide rail is fixed on the second support.

6. The screw gate control device according to claim 5, further comprising: the gate controller is fixed on the second support.

7. The screw gate control device according to claim 1, further comprising: the storage battery is fixed on the third bottom plate, and the charging controller is fixed on the second bottom plate.

8. The screw gate control device according to claim 1, further comprising: the base is fixedly connected with the first support, and the gate screw penetrates through the opening of the base.

9. The screw gate control device according to claim 1, wherein a shim plate is provided between the hoist and the first base plate.

10. The screw gate control device according to claim 1, further comprising an outer housing, a screw protection cover, the outer housing including a housing door and a bracket shutter mounted to an outer side of the first bracket and the second bracket; the screw rod protection cover is arranged on the outer side of the gate screw rod.