Self-lubricating track system for non-metal chain mud scraper

Abstract

The utility model discloses a self-lubricating track system for a non-metal chain mud scraper, which comprises a pool bottom wear-resisting shoe arranged at the bottom of a scraper blade of the mud scraper, a return stroke wear-resisting shoe arranged at the top of the scraper blade of the mud scraper, a lower wear-resisting strip arranged at the pool bottom and an upper wear-resisting strip arranged on the pool wall. The return stroke wear-resisting shoe makes contact with the upper wear-resisting strip to advance, and the pool bottom wear-resisting shoe makes contact with the lower wear-resisting strip to advance. In the scheme provided by the utility model, the lower wear-resisting strip, the upper wear-resisting strip, the pool bottom wear-resisting boot and the return wear-resisting boot are all made of ultra-high molecular weight polyethylene, the return track is made of glass fiber reinforced plastic, and the components are all made of non-metal materials, so that the self-lubricating effect is realized, the friction coefficient is small, the wear-resisting property is good, and the anti-corrosion property is good; the pool bottom wear-resistant boots and the return wear-resistant boots are of L-shaped symmetrical structures, the two faces can be replaced for use, and the service life is prolonged; in addition, the system is simple in structure, easy to disassemble, assemble, replace and maintain, and convenient to popularize and apply in the industry.

Description

Technical Field

[0001] The utility model belongs to the technical field of sewage treatment devices, and particularly relates to a self-lubricating track system for a non-metallic chain sludge scraper. Background Art

[0002] The non-metallic scraper is one of the core components of the non-metallic chain sludge scraper. When the non-metallic chain sludge scraper operates, the non-metallic scraper moves cyclically in the pool along with the chain, and scrapes the sludge into the mud bucket or the sludge suction tank when passing through the bottom of the pool. When the non-metallic scraper operates, it should not contact the pool body and the resistance should be small. Therefore, there should be a track system to support it when passing through the bottom of the pool and returning from the water surface, so as to ensure the stable operation of the sludge scraper and improve its service life.

[0003] With the development and progress of technology, the industry has continuously improved the track system to improve its performance. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a self-lubricating track system for a non-metallic chain sludge scraper to improve its performance.

[0005] To achieve the above purpose, the technical solution provided by the utility model is as follows:

[0006] A self-lubricating track system for a non-metallic chain sludge scraper includes a wear-resistant shoe at the bottom of the scraper of the sludge scraper and a return wear-resistant shoe at the top of the scraper of the sludge scraper, a lower wear-resistant strip installed at the bottom of the pool, and an upper wear-resistant strip installed on the pool wall. When operating, the return wear-resistant shoe contacts and travels along the upper wear-resistant strip, and the wear-resistant shoe at the bottom of the pool contacts and travels along the lower wear-resistant strip; the materials of the lower wear-resistant strip, the upper wear-resistant strip, the wear-resistant shoe at the bottom of the pool, and the return wear-resistant shoe are all ultra-high molecular weight polyethylene; there are two wear-resistant shoes at the bottom of the pool, and the two wear-resistant shoes at the bottom of the pool are respectively installed on both sides of the bottom of the scraper of the sludge scraper. Correspondingly, there are also two lower wear-resistant strips; there are two return wear-resistant shoes, and the two return wear-resistant shoes are respectively installed on both sides of the top of the scraper of the sludge scraper. Correspondingly, there are also two upper wear-resistant strips.

[0007] Among them, multiple brackets are provided on each pool wall, a return track is installed on the multiple brackets, the upper wear-resistant strip is installed on the return track, and the return track is made of fiberglass.

[0008] Among them, the wear-resistant shoe at the bottom of the pool and the return wear-resistant shoe are connected to the scraper of the sludge scraper through bolts, and both the wear-resistant shoe at the bottom of the pool and the return wear-resistant shoe are of an L-shaped symmetric structure, and either side can be installed on the scraper of the sludge scraper; there is a protruding limit structure on the inner side of the return wear-resistant shoe for laterally limiting the displacement of the scraper of the sludge scraper.

[0009] Among them, the lower wear-resistant strip and the upper wear-resistant strip each include multiple sections installed at intervals, and each section is provided with a round hole and a number of long slots. The round hole is used for installation positioning with self-tapping screws. A through hole is provided in the middle of each long slot, and a concave gasket is fitted to the through hole. A middle hole is provided in the middle of the concave gasket, and a fixing screw passes through the middle hole to connect with the bottom of the pool or the return track.

[0010] Among them, opposite 45° chamfers are provided at both ends of each section of the lower wear-resistant strip and the upper wear-resistant strip. When installed, the chamfers of adjacent wear-resistant strips are matched for installation, and the surface where the obtuse angle is located contacts the scraper of the sludge scraper during travel.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] In the solution provided by the present utility model, the materials of the lower wear-resistant strip, the upper wear-resistant strip, the wear-resistant boots at the bottom of the pool, and the wear-resistant boots during return are all ultra-high molecular weight polyethylene, and the return track is made of fiberglass. These components are all non-metallic materials, with self-lubrication, small friction coefficient, good wear resistance, and good corrosion resistance; the wear-resistant boots at the bottom of the pool and the wear-resistant boots during return are both L-shaped symmetric structures and can be used on both sides interchangeably to extend the service life; in addition, the structure of this system is simple, easy to disassemble, replace, and maintain, and is convenient for industrial promotion and application. Description of the Drawings

[0013] Figure 1 It is a schematic structural diagram of the self-lubricating track system provided by the embodiment of the present application;

[0014] Figure 2 It is a schematic installation structure diagram of the lower wear-resistant strip and the scraper of the sludge scraper provided by the embodiment of the present application;

[0015] Figure 3 It is a schematic installation structure diagram of the upper wear-resistant strip and the scraper of the sludge scraper provided by the embodiment of the present application;

[0016] Figure 4 It is a schematic installation structure diagram of the lower wear-resistant strip provided by the embodiment of the present application;

[0017] In the figure, the sludge scraper 1, the lower wear-resistant strip 2, the wear-resistant boots 3 at the bottom of the pool, the wear-resistant boots 4 during return, the bracket 5, the return track 6, the concave gasket 7, the fixing screw 8, and the upper wear-resistant strip 9. Detailed Embodiments

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0019] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying 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 a limitation to the present utility model.

[0020] In the description of this patent, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", "setting" should be understood in a broad sense. For example, it can be fixedly connected and set, or detachably connected and set, or integrally connected and set. For those of ordinary skill in the art, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0021] In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality" means two or more, unless otherwise clearly and specifically defined.

[0022] As Figures 1-4 shown, it is the structural diagram of the embodiment of this application.

[0023] This embodiment provides a self-lubricating track system for a non-metallic chain sludge scraper, which includes a bottom wear-resistant boot 3 installed at the bottom of the sludge scraper 1 of the sludge scraper, a return wear-resistant boot 4 installed at the top of the sludge scraper 1, a lower wear-resistant strip 2 installed at the bottom of the pool, and an upper wear-resistant strip 9 installed on the pool wall. During operation, the return wear-resistant boot 4 travels in contact with the upper wear-resistant strip 9, and the bottom wear-resistant boot 3 travels in contact with the lower wear-resistant strip 2; the materials of the lower wear-resistant strip 2, the upper wear-resistant strip 9, the bottom wear-resistant boot 3, and the return wear-resistant boot 4 are all ultra-high molecular weight polyethylene; there are two bottom wear-resistant boots 3, and the two bottom wear-resistant boots 3 are respectively installed on both sides of the bottom of the sludge scraper 1. Correspondingly, there are also two lower wear-resistant strips 2; there are two return wear-resistant boots 4, and the two return wear-resistant boots 4 are respectively installed on both sides of the top of the sludge scraper 1. Correspondingly, there are also two upper wear-resistant strips 9.

[0024] It should be noted that the lower wear-resistant strip 2, the upper wear-resistant strip 9, the bottom wear-resistant boot 3, and the return wear-resistant boot 4 are all made of ultra-high molecular weight polyethylene. The friction coefficient between the materials is small, the wear resistance is good, and the corrosion resistance is good, which can achieve the effect of self-lubrication.

[0025] Preferably, a plurality of brackets 5 are uniformly arranged on each pool wall at the same height. The return track 6 is installed on the plurality of brackets 5, the upper wear-resistant strip 9 is installed on the return track 6, and the return track is made of fiberglass.

[0026] It should be noted that the return track 6 is made of fiberglass, which is convenient for on-site processing.

[0027] Preferably, the bottom wear-resistant boot 3 and the return wear-resistant boot 4 are connected to the sludge scraper 1 by bolts, and both the bottom wear-resistant boot 3 and the return wear-resistant boot 4 are of an L-shaped symmetric structure, and either side can be installed on the sludge scraper 1; there is a protruding limit structure on the inner side of the return wear-resistant boot 4 for laterally limiting the displacement of the sludge scraper 1.

[0028] It should be noted that both the bottom wear-resistant boot 3 and the return wear-resistant boot 4 are L-shaped and can be used interchangeably on both sides to extend the service life; the protruding limit structure is a flange provided along the edge of the return wear-resistant boot 4. When the sludge scraper 1 is slightly deflected, the protruding limit structure contacts the side surface of the wear-resistant strip 2 to restrict the lateral displacement of the sludge scraper 1, so that the sludge scraper 1 will not deviate from the travel track when traveling in the upper part of the pool.

[0029] It should be noted that both the bottom wear-resistant boot 3 and the return wear-resistant boot 4 are of an L-shaped structure and can be used on both sides. After one side is severely worn, it can be installed on the scraper 1 in the opposite direction to extend the service life.

[0030] Among them, the lower wear-resistant strip 2 and the upper wear-resistant strip 9 each include multiple sections installed at intervals, and each section is provided with a round hole and a number of long slots. The round hole is used for installation positioning with self-tapping screws. A through hole is provided in the middle of each long slot, and a concave gasket 7 is fitted in the through hole. A middle hole is provided in the middle of the concave gasket 7, and a fixing screw 8 is passed through the middle hole to connect with the bottom of the pool or the return track 6.

[0031] Among them, both ends of each section of the lower wear-resistant strip 2 and the upper wear-resistant strip 9 are provided with opposite 45° chamfers. During installation, the chamfers of adjacent wear-resistant strips are matched for installation, and the surface where the obtuse angle is located contacts the scraper 1 of the sludge scraper during operation, ensuring smooth operation and reducing jerks.

[0032] It should be noted that the wear-resistant strip is a standard component of a fixed length and is laid in sequence as required according to the size of the sedimentation tank and the stroke of the chain sludge scraper. The wear-resistant strip is connected to other structures through the concave gasket 7 and the fixing screw 8. The lower wear-resistant strip 2 at the bottom of the pool is usually directly installed on the bottom structure of the pool. The upper wear-resistant strip 9 on the pool wall is connected to the return track 6 installed on the bracket 5; the bracket 5 is connected to the sedimentation tank wall through chemical bolts, with a stable structure and strong bearing capacity; the return track 6 is also a standard component of a fixed length and is made of fiberglass, which is easy to process, can be cut and drilled on site. The return track 6 can be drilled on site according to the actual installation position and connected with bolts and nuts through the fixing holes on the bracket 5. The upper wear-resistant strip 9 is usually installed on the return track 6 with self-tapping screws, with flexible position and convenient adjustment.

[0033] It should be noted that both ends of the upper wear-resistant strip 9 and the lower wear-resistant strip 2 have 45° chamfers, with a staggered distance and are installed in sequence.

[0034] It should be noted that due to temperature changes and the water absorption of materials, the upper wear-resistant strip 9 and the lower wear-resistant strip 2 may deform over time in the length direction. Therefore, each section of the wear-resistant strips 2 and 9 is provided with a round hole and a number of long slots. The round hole is located in the middle of each section of the wear-resistant strip for installation positioning. The wear-resistant strip at the long slot is not tightly connected to the concave gasket 7, only restricting the displacement of the wear-resistant strip in the width direction, and there is still a movement amount in the length direction, enabling the wear-resistant strip to displace in the length direction with the round hole as the reference, adapting to installation errors and material deformations, preventing the wear-resistant strip from arching or the screws from falling off due to stress, and a certain distance is left between each wear-resistant strip for installation, which can ensure the flatness and stability of the entire track system after deformation.

[0035] It should be noted that for the technologies not described in detail in this application, existing technologies are adopted.

[0036] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and the above embodiments and the descriptions in the specification are only preferred examples of the present utility model, and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A self-lubricating track system for a non-metallic chain sludge scraper, characterized in that, It includes a wear-resistant shoe (3) at the bottom of the scraper (1) of the sludge scraper, a return wear-resistant shoe (4) at the top of the scraper (1) of the sludge scraper, a lower wear-resistant strip (2) installed at the bottom of the pool, and an upper wear-resistant strip (9) installed on the pool wall. During operation, the return wear-resistant shoe (4) travels in contact with the upper wear-resistant strip (9), and the wear-resistant shoe (3) at the bottom of the pool travels in contact with the lower wear-resistant strip (2); the materials of the lower wear-resistant strip (2), the upper wear-resistant strip (9), the wear-resistant shoe (3) at the bottom of the pool, and the return wear-resistant shoe (4) are all ultra-high molecular weight polyethylene; there are two wear-resistant shoes (3) at the bottom of the pool, and the two wear-resistant shoes (3) at the bottom of the pool are respectively installed on both sides of the bottom of the scraper (1) of the sludge scraper. Correspondingly, there are also two lower wear-resistant strips (2); there are two return wear-resistant shoes (4), and the two return wear-resistant shoes (4) are respectively installed on both sides of the top of the scraper (1) of the sludge scraper. Correspondingly, there are also two upper wear-resistant strips (9).

2. The self-lubricating track system for a non-metallic chain sludge scraper according to claim 1, characterized in that, A plurality of brackets (5) are provided on each pool wall, a return track (6) is installed on the plurality of brackets (5), the upper wear-resistant strip (9) is installed on the return track (6), and the return track (6) is made of fiberglass.

3. The self-lubricating track system for a non-metallic chain sludge scraper according to claim 2, characterized in that, The wear-resistant shoe (3) at the bottom of the pool and the return wear-resistant shoe (4) are connected to the scraper (1) of the sludge scraper by bolts, and both the wear-resistant shoe (3) at the bottom of the pool and the return wear-resistant shoe (4) are of an L-shaped symmetric structure, and either side can be installed on the scraper (1) of the sludge scraper; there is a protruding limiting structure on the inner side of the return wear-resistant shoe (4) for laterally displacing and limiting the scraper (1) of the sludge scraper.

4. The self-lubricating track system for a non-metallic chain sludge scraper according to claim 3, characterized in that, Both the lower wear-resistant strip (2) and the upper wear-resistant strip (9) respectively include multiple sections installed at intervals, and each section is provided with a round hole and several long slots. The round hole is used for installation and positioning with self-tapping screws. A through hole is provided in the middle of each long slot, and a concave gasket (7) is fitted in the through hole. A middle hole is provided in the middle of the concave gasket (7), and a fixing screw (8) passes through the middle hole and is connected to the bottom of the pool or the return track (6).

5. The self-lubricating track system for a non-metallic chain sludge scraper according to claim 4, characterized in that, Both ends of each section of the lower wear-resistant strip (2) and the upper wear-resistant strip (9) are provided with opposite 45° chamfers. When installed, the chamfers of adjacent wear-resistant strips (2) are matched for installation, and the surface where the obtuse angle is located is in contact with the scraper (1) of the sludge scraper during travel.

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