Chain-driven downward opening type weir gate

Abstract

The utility model discloses a chain-driven downward opening type weir gate, which belongs to the technical field of drainage equipment, and comprises a gate frame main body and a gate leaf main body arranged on the gate frame main body, a driving assembly is arranged above the gate frame main body, the driving assembly comprises a base, a driving mechanism and a chain, the base is fixedly arranged at the upper end of the gate frame main body, and the gate leaf main body is arranged on the gate frame main body. The driving mechanism is fixedly arranged on the base, a driving chain wheel seat is fixedly arranged on the base, a driving chain wheel arranged in the driving chain wheel seat is in transmission connection with the driving mechanism, a chain wheel supporting cover is arranged on the base, a driven chain wheel shaft is arranged on the chain wheel supporting cover, and a driven chain wheel is arranged on the driven chain wheel shaft. The chain is in meshing transmission connection with the driving chain wheel and the driven chain wheel, and a chain connecting piece arranged on the gate leaf body is fixedly connected with the chain. A chain driving structure mode is adopted to replace a traditional hydraulic driving mode, the problem that a sealing device is prone to being damaged is solved, and fault points can be visually found.

Description

Technical Field

[0001] The utility model relates to the technical field of drainage equipment, in particular to a chain-driven downward-opening weir gate. Background Art

[0002] At present, the driving mode of the bottom-opening weir gate is a hydraulic system, which consists of a hydraulic cylinder and a hydraulic station. The hydraulic system inevitably has leakage problems and replacement and maintenance problems of oil, filter element, oil seal, and oil pipe; and after long-term use, it is easy to cause wear of the sealing device, thereby reducing the overall service life; and the hydraulic cylinder is set in the weir frame, which makes maintenance time-consuming and laborious. Utility Model Content

[0003] The main purpose of the utility model is to solve the above-mentioned technical problems to a certain extent, and to propose a chain-driven downward-opening weir gate, which solves the problem that the sealing device is easily damaged and can intuitively find the fault point.

[0004] The above-mentioned problem to be solved by the utility model is achieved through the following technical solutions:

[0005] A chain-driven bottom-opening weir gate is proposed, comprising a door frame body, a door leaf body arranged on the door frame body, a driving assembly is arranged above the door frame body, and the driving assembly is in driving connection with the door leaf body; the driving assembly comprises a base, a driving mechanism and a chain, the base is fixedly arranged at the upper end of the door frame body, the driving mechanism is fixedly arranged on the base, a driving sprocket seat is fixedly arranged on the base, and a driving sprocket arranged in the driving sprocket seat is in driving connection with the driving mechanism;

[0006] A sprocket support cover is fixedly provided on the lower end surface of the base along the lifting direction of the door leaf main body, a passive sprocket shaft is provided at the bottom of the sprocket support cover, and a passive sprocket is movably provided on the passive sprocket shaft, two ends of the chain are respectively meshed and transmission-connected with the active sprocket and the passive sprocket, and the chain connecting member provided on the door leaf main body is fixedly connected with the chain, so that the door leaf main body is driven to lift and move on the door frame main body in a chain transmission manner.

[0007] In some embodiments, a plurality of sliding blocks are provided on the left and right sides of the door leaf body along the radial moving direction thereof, and the sliding blocks are slidably opposed to guide rails provided on the door frame body.

[0008] In some embodiments, the guide rails are respectively provided on the front and rear end surfaces of the door frame body facing the door leaf body.

[0009] In some embodiments, the driving mechanism includes a driving component and a driving shaft, the driving component is disposed on the base, the driving shaft is drivingly connected to the driving component, and the portion of the driving shaft extending into the driving sprocket seat is drivingly connected to the driving sprocket.

[0010] In some embodiments, the driving component includes a motor, a reducer and a belt. A mounting plate is fixed on the base, the motor is fixed on the mounting plate, the reducer is fixed on the base, the driving pulley arranged on the motor output shaft is transmission-connected to the transmission pulley arranged on the reducer output shaft through the belt, and the driving shaft is transmission-connected to the reducer.

[0011] In some embodiments, a manual drive joint is also provided on the transmission wheel of the reducer.

[0012] The above technical solution provided by this application has the following advantages compared with the prior art:

[0013] The utility model arranges a chain drive assembly on the door frame body, wherein the chain and the chain connecting piece fixing piece arranged on the door leaf body drive the chain through the driving mechanism, so that the chain drives the door leaf body to move up and down on the door frame body, and adopts the chain drive structure mode to replace the traditional hydraulic drive mode, and only needs a matching drive device to complete the drive control. Compared with the hydraulic cylinder, it is cleaner and more environmentally friendly, and avoids the pollution of the environment by the hydraulic oil. There is no need to arrange the hydraulic oil pipe, replace the hydraulic oil and filter element, and there is no need to worry about the damage of the oil seal. The door leaf body is also more stable during lifting and lowering. At the same time, the problem that the sealing device is easily damaged is solved, and the fault point can be found intuitively. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0015] Figure 1 This is a structural diagram of the chain-driven downward-opening weir gate of the utility model;

[0016] Figure 2 This is a structural diagram of the driving mechanism of the utility model;

[0017] Figure 3 This is a recovery diagram of the chain-driven downward-opening weir gate of the utility model;

[0018] Figure 4 This is a diagram of the descent of the chain-driven downward-opening weir gate of the utility model.

[0019] Description of Figure Numbers:

[0020] 1-Door frame body; 2-Door leaf body; 3-Base; 4-Drive mechanism; 401-Drive shaft; 402-Motor; 403-Reducer; 404-Belt; 405-Mounting plate; 406-Drive pulley; 407-Manual drive connector; 5-Chain; 6-Drive sprocket seat; 7-Drive sprocket; 8-Sprocket support cover; 9-Passive sprocket; 10-Chain connector; 11-Slider; 12-Guide rail. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0023] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0024] like Figure 1-4As shown, the utility model proposes a chain-driven bottom-opening weir gate, including a door frame body 1, a door leaf body 2 arranged on the door frame body 1, a driving assembly is arranged above the door frame body 1, and the driving assembly is connected to the door leaf body 2 in a transmission manner; the driving assembly includes a base 3, a driving mechanism 4 and a chain 5, the base 3 is fixedly arranged on the upper end of the door frame body 1, the driving mechanism 4 is fixedly arranged on the base 3, the base 3 is fixedly provided with a driving sprocket seat 6, a driving sprocket 7 arranged in the driving sprocket seat 6 is connected in a transmission manner with the driving mechanism 4, and the lower end surface of the base 3 extends from the door frame body 1 to the door leaf body 2. A sprocket support cover 8 is fixedly provided in the lifting direction of the leaf body 2, a passive sprocket shaft is provided at the bottom of the sprocket support cover 8, and a passive sprocket 9 is movably provided on the passive sprocket shaft, so that the passive sprocket 9 is installed on the driving assembly; the two ends of the chain 5 are respectively meshed and connected with the active sprocket 7 and the passive sprocket 9, so that the active sprocket 7, the passive sprocket 9 and the chain 5 constitute a chain drive structure, and the chain connector 10 provided on the door leaf body 2 is fixedly connected with the chain 5, so that the door leaf body 2 is driven to move up and down on the door frame body 1 in a chain drive manner.

[0025] In this embodiment, a chain drive assembly is arranged on the door frame body 1, wherein the chain 5 is connected to the chain connecting member fixing member arranged on the door leaf body 2, and the chain 5 is driven by the driving mechanism 4, so that the chain 5 drives the door leaf body 2 to move up and down on the door frame body 1, and the chain drive structure is adopted to replace the traditional hydraulic drive method, and only a matching drive device is needed to complete the drive control. Compared with the hydraulic cylinder, it is cleaner and more environmentally friendly, and avoids the pollution of the environment by the hydraulic oil. There is no need to arrange the hydraulic oil pipe, replace the hydraulic oil and the filter element, and there is no need to worry about the damage of the oil seal. The door leaf body 2 is also more stable during lifting and lowering. At the same time, the problem of easy damage of the sealing device is solved, and the fault point can be found intuitively.

[0026] Reference Figure 2 As shown, the driving mechanism 4 includes a driving component and a driving shaft 401, the driving component includes a motor 402, a reducer 403 and a belt 404, a mounting plate 405 is fixedly provided on the base 3, the motor 402 is fixedly provided on the mounting plate 405, the reducer 403 is fixedly provided on the base 3, the driving pulley provided on the output shaft of the motor 402 is transmission-connected with a transmission pulley 406 provided on the output shaft of the reducer 403 through a belt 404, the driving shaft 401 is transmission-connected with the reducer 403, both ends of the driving shaft 401 are arranged through the driving sprocket seat 6, and the portion thereof extending into the driving sprocket seat 6 is transmission-connected with the driving sprocket 7.

[0027] In this embodiment, the motor 402 is used to provide power for the rotation of the drive shaft 401, but it includes but is not limited to using the motor 402 to provide power for the rotation of the drive shaft 401, and a manual drive connector 407 is also provided on the transmission wheel set on the reducer 403, which can be manually operated when the system loses power.

[0028] During operation, the motor 402 rotates forward or reversely, and transmits kinetic energy to the reducer 403 through the belt 404, so that the reducer 403 drives the drive shaft 401 to rotate forward or reversely, wherein the drive shaft 401 drives the active sprocket 7 to rotate forward during forward rotation, so that the active sprocket 7 drives the passive sprocket 9 and the chain 5 to rotate forward, and the chain 5 is connected and moves upward, thereby realizing the lifting of the door leaf body 2, and realizing the lowering of the door leaf body 2 during reverse rotation.

[0029] A plurality of sliders 11 are provided on the left and right sides of the door leaf main body 2 along its radial moving direction, and the sliders 11 slide against the guide rails 12 provided on the door frame main body 1, and the front and rear end surfaces of the door frame main body 1 facing the door leaf main body 2 are respectively provided with guide rails 12; through this structure, when the door leaf main body 2 is lifted or lowered, the sliders 11 cooperate with the guide rails 12 to guide and position the door leaf main body 2.

[0030] The above are only preferred embodiments of the present invention, and do not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A chain-driven downward-opening weir gate, characterized in that: It comprises a door frame body, a door leaf body arranged on the door frame body, a driving assembly is arranged above the door frame body, and the driving assembly is drivingly connected with the door leaf body; The driving assembly includes a base, a driving mechanism and a chain, wherein the base is fixedly mounted on the upper end of the door frame body, the driving mechanism is fixedly mounted on the base, a driving sprocket seat is fixedly mounted on the base, and a driving sprocket arranged in the driving sprocket seat is drivingly connected to the driving mechanism; A sprocket support cover is fixedly provided on the lower end surface of the base along the lifting direction of the door leaf main body, a passive sprocket shaft is provided at the bottom of the sprocket support cover, and a passive sprocket is movably provided on the passive sprocket shaft, two ends of the chain are respectively meshed and transmission-connected with the active sprocket and the passive sprocket, and the chain connecting member provided on the door leaf main body is fixedly connected with the chain, so that the door leaf main body is driven to lift and move on the door frame main body in a chain transmission manner.

2. The chain-driven downward-opening weir gate according to claim 1, characterized in that: A plurality of sliding blocks are arranged on the left and right sides of the door leaf body along the radial moving direction thereof, and the sliding blocks are slidably opposed to the guide rails arranged on the door frame body.

3. The chain-driven downward-opening weir gate according to claim 2, characterized in that: The guide rails are respectively arranged on the front and rear end surfaces of the door frame body facing the door leaf body.

4. The chain-driven downward-opening weir gate according to claim 1, characterized in that: The driving mechanism comprises a driving component and a driving shaft. The driving component is arranged on the base. The driving shaft is in transmission connection with the driving component, and the portion of the driving shaft extending into the driving sprocket seat is in transmission connection with the driving sprocket.

5. The chain-driven downward-opening weir gate according to claim 4, characterized in that: The driving component includes a motor, a reducer and a belt. A mounting plate is fixed on the base, the motor is fixed on the mounting plate, the reducer is fixed on the base, the driving pulley arranged on the output shaft of the motor is transmission-connected to the transmission pulley arranged on the output shaft of the reducer through the belt, and the driving shaft is transmission-connected to the reducer.

6. The chain-driven downward-opening weir gate according to claim 5, characterized in that: The transmission wheel of the reducer is also provided with a manual drive joint.

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