Long-stroke slag scraper with transmission chain guiding function

By introducing a guide frame and a buffer mechanism into the long-stroke scraper, the problems of chain vibration and shaking are solved, and the stable operation of the equipment and the reduction of maintenance costs are achieved.

CN223392959UActive Publication Date: 2025-09-30QUANZHOU HUADA ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202422647923.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-09-30
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

When scraping floating objects with different resistances, traditional long-stroke scrapers are prone to chain vibration and shaking, causing the chain to deviate and the sprocket to be damaged, increasing maintenance workload and costs.

Method used

It adopts a structure with a transmission chain guide, and through the cooperation of the guide frame and the buffer mechanism, utilizes the support function of the guide support bracket and the buffer wheel, combined with the elastic force of the elastic part, reduces the vibration and shaking of the transmission chain and prevents the chain from deviating.

Benefits of technology

It effectively reduces the vibration and shaking of the transmission chain, prevents the chain from deviating, and reduces equipment failure rate and maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The long-stroke slag scraper comprises a driving shaft, a driven shaft and a guide frame which are arranged on a sedimentation tank, the driving shaft and the driven shaft are in transmission connection through a transmission chain, a scraper plate is installed on the side, close to the sedimentation tank, of the transmission chain, the driving shaft is driven by a motor, and the guide frame is connected with the transmission chain. The guide frame comprises a supporting corner bracket installed on the sedimentation tank, a guide bearing frame used for bearing the transmission chain is arranged on the supporting corner bracket, a plurality of buffering holes are formed in the guide bearing frame in a penetrating mode, and buffering mechanisms are arranged at the positions, corresponding to the buffering holes, of the guide bearing frame. By means of the structure, under the cooperation of the guide frame and the buffer mechanism, the guide bearing frame of the guide frame can support the transmission chain, and under the cooperation of the base, the supporting base, the rotating shaft, the buffer wheel and the elastic piece of the buffer mechanism, the transmission chain can be conveniently and rapidly supported. The elastic piece can buffer vibration and shaking generated when the buffer wheel supports the transmission chain, so that vibration and shaking are reduced, and the chain can be prevented from deviating.
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Description

Technical Field

[0001] The utility model relates to the technical field of long-stroke scrapers, in particular to a long-stroke scraper with a transmission chain guide. Background Art

[0002] Long-stroke scrapers are commonly used in sewage treatment processes. Traditional long-stroke scrapers are generally installed in the upper part of the sedimentation tank. The drive mechanism drives the chain, which drives the scraper on the chain to move, thereby scraping away floating debris on the liquid surface of the sedimentation tank.

[0003] However, during the use of long-stroke scrapers, the chain is subjected to different resistances to the scraped floating objects, resulting in tensile deformation and large vibration and shaking. The shaking chain is very easy to deviate, making it impossible to normally guide the sprocket, causing the scraper to fail to work, and even causing the chain to break and the sprocket teeth to be damaged, increasing the workload of maintenance and high maintenance costs. Utility Model Content

[0004] The utility model discloses a long-stroke scraper with a transmission chain guide, which mainly solves the problem that a sprocket wheel of a traditional long-stroke scraper easily vibrates and shakes when scraping floating objects with different resistances.

[0005] To achieve the above-mentioned purpose, the technical solution of the present invention is implemented as follows:

[0006] The utility model provides a long-stroke scraper with a transmission chain guide, comprising a driving shaft, a driven shaft and a guide frame arranged on a sedimentation tank, wherein the driving shaft and the driven shaft are connected through a transmission chain, a scraper is installed on the side of the transmission chain close to the sedimentation tank, the driving shaft is driven by a motor, and the guide frame comprises a supporting angle frame installed on the sedimentation tank, a guide support bracket for supporting the transmission chain is provided on the supporting angle bracket, a plurality of buffer holes are passed through the guide support bracket, and buffer mechanisms are provided at positions of the guide support bracket corresponding to the buffer holes;

[0007] The buffer mechanism includes a base mounted on the guide support bracket and a support base connected to the base for sliding up and down relative to the base, a rotating shaft is rotatably connected to the support base, a buffer wheel is provided on the rotating shaft, and the buffer wheel passes through a buffer hole, a support plate is provided at the end of the base, an elastic member is provided between the support plate and the support base, one end of the elastic member is supported on the support base, and the other end is supported on the support plate.

[0008] In one embodiment, a vertical sliding groove passes through the position of the base corresponding to the support seat, and the support seat is slidably connected to the sliding groove.

[0009] In one embodiment, a raised mounting post is provided on the support seat at a position corresponding to the elastic member, and an end portion of the elastic member is mounted on the mounting post.

[0010] In one embodiment, a positioning column is provided at a position of the support plate corresponding to the elastic member, and the positioning column is nested in the elastic member.

[0011] In one embodiment, a driving sprocket is provided on the driving shaft, a driven sprocket is provided on the driven shaft, and the driving sprocket and the driven sprocket are connected via a transmission chain.

[0012] In one embodiment, a driving wheel is provided at the output end of the motor, a driven wheel is provided at the end of the driving shaft, and the driving wheel and the driven wheel are connected via a transmission belt.

[0013] The advantages or beneficial effects of the above technical solution include at least: when guiding and supporting the transmission chain, the guide support bracket of the guide frame can support the transmission chain through the cooperation of the guide frame and the buffer mechanism, and with the cooperation of the base, support seat, rotating shaft, buffer wheel and elastic member of the buffer mechanism, the buffer wheel can be rotatably connected to the support seat, thereby reducing the resistance between the transmission chain and the guide support bracket, and under the elastic force of the elastic member, the vibration and shaking generated when the buffer wheel is supported to the transmission chain can be buffered to reduce vibration and shaking, thereby preventing the chain from running off. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings illustrate exemplary embodiments of the present invention and, together with the description, are used to explain the principles of the present invention. These drawings are included to provide a further understanding of the present invention, and are included in and constitute a part of this specification.

[0015] Figure 1 A schematic top view of a long-stroke scraper according to an exemplary embodiment of the present invention is shown;

[0016] Figure 2 A partial side view schematic diagram of a long-stroke scraper according to an exemplary embodiment of the present utility model is shown;

[0017] Figure 3 The exemplary embodiment of the present invention is shown Figure 2 A is an enlarged schematic diagram.

[0018] Description of reference numerals:

[0019] 1. Sedimentation tank;

[0020] 2. Active shaft;

[0021] 21. Driving sprocket;

[0022] 3. Driven shaft;

[0023] 31. Driven sprocket;

[0024] 4. Transmission chain;

[0025] 5. Scraper;

[0026] 6. Guide frame;

[0027] 61. Support angle bracket; 62. Guide support bracket; 621. Buffer hole;

[0028] 7. Motor;

[0029] 71. Driving pulley; 72. Driven pulley; 73. Transmission belt;

[0030] 8. Buffer mechanism;

[0031] 81. Base; 811. Support plate; 812. Slide groove; 82. Support seat; 83. Rotating shaft; 84. Buffer wheel; 85. Elastic member; 86. Mounting column; 87. Positioning column. DETAILED DESCRIPTION

[0032] The following describes embodiments of the present invention in more detail with reference to the accompanying drawings. Although certain embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the present invention. It should be understood that the accompanying drawings and embodiments of the present invention are for illustrative purposes only and are not intended to limit the scope of protection of the present invention.

[0033] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0034] The term "including" and its variations used in this document are open inclusions, that is, "including but not limited to". The term "based on" means "based at least in part on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one other embodiment"; the term "some embodiments" means "at least some embodiments". The relevant definitions of other terms will be given in the following description. It should be noted that the concepts of "first", "second", etc. mentioned in this utility model are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0035] It should be noted that the modifications of "one" and "multiple" mentioned in the present invention are illustrative rather than restrictive. Those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more".

[0036] The names of the messages or information exchanged between multiple devices in the embodiments of the present invention are only used for illustrative purposes and are not used to limit the scope of these messages or information.

[0037] See also Figure 1 、 Figure 2 and Figure 3 , an embodiment of the utility model provides a long-stroke scraper with a transmission chain guide, comprising a driving shaft 2, a driven shaft 3 and a guide frame 6 arranged on a sedimentation tank 1, the driving shaft 2 and the driven shaft 3 are connected by a transmission chain 4, a scraper 5 is installed on the side of the transmission chain 4 close to the sedimentation tank 1, the driving shaft 2 is driven by a motor 7, and the guide frame 6 comprises a support angle bracket 61 installed on the sedimentation tank 1, a guide support bracket 62 for supporting the transmission chain 4 is provided on the support angle bracket 61, a plurality of buffer holes 621 are penetrated on the guide support bracket 62, and a buffer mechanism 8 is provided at the position of the guide support bracket 62 corresponding to the buffer holes 621;

[0038] The buffer mechanism 8 includes a base 81 mounted on the guide support bracket 62 and a support base 82 connected to the base 81 for sliding up and down movement. The support base 82 is rotatably connected to a rotating shaft 83, and a buffer wheel 84 is provided on the rotating shaft 83. The buffer wheel 84 passes through the buffer hole 621. A support plate 811 is provided at the end of the base 81, and an elastic member 85 is provided between the support plate 811 and the support base 82. One end of the elastic member 85 is supported on the support base 82, and the other end is supported on the support plate 811.

[0039] By adopting the above-mentioned structure, when guiding and supporting the transmission chain 4, the guide support bracket 62 of the guide frame 6 can support the transmission chain 4 through the cooperation of the guide frame 6 and the buffer mechanism 8, and with the cooperation of the base 81, support seat 82, rotating shaft 83, buffer wheel 84 and elastic member 85 of the buffer mechanism 8, the buffer wheel 84 can be rotated and connected to the support seat 82, thereby reducing the resistance between the transmission chain 4 and the guide support bracket 62, and under the elastic force of the elastic member 85, the vibration and shaking generated when the buffer wheel 84 is supported to the transmission chain 4 can be buffered to reduce vibration and shaking, thereby preventing the chain 4 from running off.

[0040] In one embodiment, see Figure 2 and Figure 3The position of the base 81 corresponding to the support seat 82 is penetrated by a vertical slide 812, and the support seat 82 is slidably connected in the slide 812. In actual use, through the setting of the slide 812, the support seat 82 can be slidably connected to the base 81.

[0041] In one embodiment, see Figure 3 The support base 82 is provided with a protruding mounting post 86 at a position corresponding to the elastic member 85, and the end of the elastic member 85 is mounted on the mounting post 86. In actual use, the installation of the mounting post 86 facilitates the elastic member 85 to be mounted on the support base 82 through the mounting post 86, preventing the elastic member 85 from easily falling out from between the support base 82 and the support plate 811.

[0042] The support plate 811 is provided with a positioning post 87 at a position corresponding to the elastic member 85, and the positioning post 87 is nested in the elastic member 85. In actual use, the positioning post 87 can play a positioning role on one end of the elastic member 85 to prevent the elastic member 85 from separating from the support plate 811.

[0043] In one embodiment, see Figure 1 The driving shaft 2 is provided with a driving sprocket 21, and the driven shaft 3 is provided with a driven sprocket 31. The driving sprocket 21 and the driven sprocket 31 are connected to each other via a transmission chain 4. In actual use, the driving sprocket 21 and the driven sprocket 31 are respectively connected to the transmission chain 4, so that the power of the driving shaft 2 can be transmitted to the driven shaft 3, and the transmission chain 4 is rotated between the driving shaft 2 and the driven shaft 3, so as to drive the movement of the scraper 5.

[0044] The output end of the motor 7 is provided with a driving wheel 71, and the end of the driving shaft 2 is provided with a driven wheel 72. The driving wheel 71 and the driven wheel 72 are connected by a transmission belt 73. In actual use, the driving wheel 71, the driven wheel 72 and the transmission belt 73 cooperate to transmit the power of the motor 7 to the driving shaft 2.

[0045] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are 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 direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0046] Those skilled in the art will appreciate that the above embodiments are merely intended to clearly illustrate the present invention and are not intended to limit the scope of the present invention. Other variations or modifications may be made based on the above-described utility model, and such variations or modifications are still within the scope of the present invention.

Claims

1. A long-stroke scraper with a transmission chain guide, characterized in that: It includes a driving shaft, a driven shaft and a guide frame arranged on the sedimentation tank, the driving shaft and the driven shaft are connected by a transmission chain, a scraper is installed on the side of the transmission chain close to the sedimentation tank, the driving shaft is driven by a motor, and the guide frame includes a support angle bracket installed on the sedimentation tank, the support angle bracket is provided with a guide support bracket for supporting the transmission chain, the guide support bracket is penetrated by a plurality of buffer holes, and the positions of the guide support bracket corresponding to the buffer holes are all provided with buffer mechanisms; The buffer mechanism includes a base mounted on the guide support bracket and a support base connected to the base for sliding up and down relative to the base, a rotating shaft is rotatably connected to the support base, a buffer wheel is provided on the rotating shaft, and the buffer wheel passes through a buffer hole, a support plate is provided at the end of the base, an elastic member is provided between the support plate and the support base, one end of the elastic member is supported on the support base, and the other end is supported on the support plate.

2. The long-stroke scraper with transmission chain guidance according to claim 1, characterized in that: A vertical sliding groove runs through the position of the base corresponding to the support seat, and the support seat is slidably connected to the sliding groove.

3. The long-stroke scraper with transmission chain guidance according to claim 1, characterized in that: A raised mounting post is provided on the support seat at a position corresponding to the elastic member, and an end portion of the elastic member is mounted on the mounting post.

4. The long-stroke scraper with transmission chain guidance according to claim 1, characterized in that: The support plate is provided with a positioning post at a position corresponding to the elastic member, and the positioning post is nested in the elastic member.

5. The long-stroke scraper with transmission chain guidance according to claim 1, characterized in that: The driving shaft is provided with a driving sprocket, the driven shaft is provided with a driven sprocket, and the driving sprocket and the driven sprocket are connected via a transmission chain.

6. The long-stroke scraper with transmission chain guidance according to claim 1, characterized in that: The output end of the motor is provided with a driving wheel, the end of the driving shaft is provided with a driven wheel, and the driving wheel and the driven wheel are connected through a transmission belt.