A foundation pit cleaning scraper device

Abstract

This utility model provides a foundation pit cleaning scraper device, including a sleeve, a fixing kit, and a scraper. The sleeve is fitted onto the bucket teeth of the bucket, the fixing kit is mounted on the sleeve, and the scraper passes through the fixing kit and is detachably connected to the fixing kit. The advantages of this utility model are that it replaces manual labor, achieving efficient and rapid cleaning of the bottom of the foundation pit, effectively reducing cleaning time and personnel input, lowering operating costs, improving work efficiency, accelerating construction progress, and enabling rapid transportation of foundation soil without disturbing the foundation. The device is made from readily available materials, is detachable, has low manufacturing costs, and can be recycled. Different lengths of scrapers can be installed according to the spacing between two adjacent piles in the foundation pit, making it suitable for different working conditions. It has a simple structure and is easy to operate.

Description

Technical Field

[0001] This utility model belongs to the field of foundation pit engineering technology, and in particular relates to a foundation pit cleaning scraper device. Background Technology

[0002] During the construction of foundation pit projects, when using mechanical excavation, the "Code for Acceptance of Construction Quality of Buildings and Municipal Engineering" clearly stipulates that the soil within a range of 200-300mm above the bottom of the foundation pit should be removed manually to ensure that the foundation soil is not disturbed. However, manual excavation is costly, inefficient, and affects construction progress; furthermore, the excavated soil is difficult to transport. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a foundation pit cleaning scraper device, which effectively solves the technical problems of high cost and low construction efficiency of manual bottom repair operations and overcomes the shortcomings of the prior art.

[0004] The technical solution adopted by this utility model is: a foundation pit cleaning scraper device, installed on the bucket of an excavator, comprising,

[0005] A clamp is fitted onto the teeth of the bucket.

[0006] The fixing kit is mounted on the sleeve;

[0007] The scraper is inserted inside the fixing kit and is detachably connected to the fixing kit.

[0008] Furthermore, the sleeve is provided with a wedge, which engages between the sleeve and the bucket teeth.

[0009] Furthermore, multiple clamps are provided and arranged along the fixing kit.

[0010] Furthermore, the length of the scraper is greater than the length of the fixing kit.

[0011] Furthermore, the fixing kit includes a fixing back plate and a fixing plate. The tops of the fixing back plate and the fixing plate are respectively connected to the sleeve. The bottom of the fixing back plate is connected to the fixing plate. A fixing through groove is formed between the fixing back plate and the fixing plate. The scraper passes through the fixing through groove and is detachably connected to the fixing through groove.

[0012] Furthermore, an angle is provided between the bottom of the fixed back plate and the fixed plate, and the angle is set to 9 to 11°.

[0013] Furthermore, a fastening pin is provided on the fixing plate, and the fastening pin holds the scraper against the fixing back plate.

[0014] Furthermore, the number of fastening pins is provided as multiple.

[0015] Furthermore, the fixing plate is provided with threaded holes, and the fastening pin is adapted to the threaded holes.

[0016] This utility model also provides a construction method using the above-described foundation pit cleaning scraper device, comprising the following steps:

[0017] Select the scraper and insert it into the fixing kit for detachable connection;

[0018] The clamp is fitted onto the bucket teeth of the bucket;

[0019] The excavator is started, which drives the scraper to move along the bottom of the pit.

[0020] The advantages and positive effects of this utility model are as follows: By adopting the above-mentioned technical solution, manual labor is replaced, which realizes efficient and rapid trench cleaning at the bottom of the foundation pit, effectively reducing trench cleaning time and personnel input, reducing operating costs, improving work efficiency, accelerating construction progress, enabling rapid transportation of foundation soil, and preventing the foundation from being disturbed. The device is easy to obtain materials, is detachable, has low manufacturing cost, and can be recycled. Different length scrapers can be installed according to the spacing between two adjacent piles in the foundation pit, making it suitable for different working conditions. The structure is simple and the operation is convenient. Attached Figure Description

[0021] The above and other objects, features, and advantages of this utility model will become more apparent from the more detailed description of the embodiments thereof in conjunction with the accompanying drawings. The drawings are provided to further illustrate the embodiments of this utility model and form part of the specification. They are used together with the embodiments of this utility model to explain the utility model and do not constitute a limitation thereof. In the drawings, the same reference numerals generally represent the same parts or steps.

[0022] Figure 1 This is a top view of a foundation pit cleaning scraper device according to an embodiment of the present invention.

[0023] Figure 2 This is a side view of a foundation pit cleaning scraper device according to an embodiment of the present invention.

[0024] Figure 3 This is a front view of a foundation pit cleaning scraper device according to an embodiment of this utility model.

[0025] In the picture:

[0026] 1. Fixing plate 2. Scraper 3. Hoop

[0027] 4. Wedge block; 5. Fastening pin; 6. Fixing back plate

[0028] 7. Fixed through groove Detailed Implementation

[0029] This utility model provides a foundation pit cleaning scraper device. The embodiments of this utility model are described below with reference to the accompanying drawings.

[0030] In the description of the embodiments of this utility model, it should be understood that the terms "top," "bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In the description of this utility model, it should be noted that unless otherwise expressly specified and limited, the terms "set" and "connected" should be interpreted broadly. For example, it can refer to a fixed connection, a detachable connection, or an integral connection; it can refer to a direct connection or an indirect connection through an intermediate medium; it can refer to the internal communication of two elements. Those skilled in the art can understand the specific meaning of the above terms in this utility model through specific circumstances.

[0031] like Figure 1 , Figure 2 and Figure 3 As shown in the figure, an embodiment of this utility model discloses a pit cleaning scraper device, which is installed on the bucket of an excavator and includes a sleeve 3, a fixing kit, and a scraper 2. The sleeve 3 is fitted onto the bucket teeth and connected to them. The sleeve 3 is shaped like the bucket teeth and can be directly fitted onto them. The fixing kit is fixed to the sleeve 3. The fixing kit is elongated and arranged along the arrangement direction of the bucket teeth. The scraper 2 passes through the fixing kit and is detachably connected to it. The length of the scraper 2 is greater than the length of the fixing kit. Different lengths of scraper 2 can be selected according to the spacing between two adjacent piles in the pit to adapt to different working conditions.

[0032] Specifically, to ensure a secure connection between the sleeve 3 and the bucket teeth and to guarantee smooth construction, a wedge 4 is provided inside the sleeve 3, which engages between the sleeve 3 and the bucket teeth. For ease of installation, the sleeve 3 and the bucket teeth are designed with a clearance fit. To prevent the sleeve 3 from disengaging from the bucket teeth, the wedge 4 is inserted into the gap between the sleeve 3 and the bucket teeth, ensuring a secure and stable connection.

[0033] Specifically, multiple clamps 3 are provided and arranged along the fixing assembly. To ensure a stable connection, multiple clamps 3 are provided and connected to the bucket teeth through multiple clamps 3, further ensuring the stability of the connection.

[0034] Specifically, the fixing kit includes a fixing back plate 6 and a fixing plate 1. The tops of the fixing back plate 6 and the fixing plate 1 are connected to the sleeve 3, and the bottoms of the fixing back plate 6 and the fixing plate 1 are connected. A fixing groove 7 is formed between the fixing back plate 6 and the fixing plate 1. The scraper 2 passes through the fixing groove 7 and is detachably connected to the fixing groove 7. The fixing back plate 6 and the fixing plate 1 are set as long strips of equal length and are arranged opposite each other. The fixing back plate 6 and the fixing plate 1 are arranged along the parallel direction of the bucket teeth. The bottoms of the fixing back plate 6 and the fixing plate 1 are fixedly connected, forming an included angle. The included angle is set to 9 to 11°. The tops of the fixing back plate 6 and the fixing plate 1 are fixedly connected to the sleeve 3, respectively.

[0035] Specifically, in order to facilitate the fixing of scraper 2, a fastening pin 5 is provided on the fixing plate 1, and the fastening pin 5 holds scraper 2 against the fixing back plate 6.

[0036] Preferably, there are multiple fastening pins 5, and the specific number and placement are not limited.

[0037] Preferably, a threaded hole is provided on the fixing plate 1 at a position relative to the fastening pin 5, and the fastening pin 5 is adapted to the threaded hole. Rotating the fastening pin 5 allows the fastening pin 5 to enter the fixing through groove 7 and contact the scraper 2, thus holding the scraper 2 against the fixing back plate 6.

[0038] Example: A pit cleaning scraper device, installed on the bucket of an excavator, includes a sleeve 3, a fixing kit, and a scraper 2. The sleeve 3 is shaped like bucket teeth and can be directly fitted onto them. A wedge 4 is provided inside the sleeve 3, engaging between the sleeve 3 and the bucket teeth. Two sleeves 3 are provided, arranged along the fixing kit. The fixing kit includes a fixing back plate 6 and a fixing plate 1, which are long strips of equal length arranged opposite each other. The fixing back plate 6 and fixing plate 1 are arranged in a parallel direction along the bucket teeth. The bottoms of the fixing back plate 6 and fixing plate 1 are welded together, forming an angle of 10°. The tops of the fixing back plate 6 and the fixing plate 1 are welded to the sleeve 3 respectively. A fixing groove 7 is formed between the fixing back plate 6 and fixing plate 1, and the scraper 2 passes through the fixing groove 7 and is secured with a fastening pin 5. The length of the scraper 2 is greater than the length of the fixing kit. Multiple threaded holes are provided on the fixing plate 1, and the fastening pin 5 is specifically set as a fastening bolt. The fastening bolt passes through the threaded holes and holds the scraper 2 against the fixing back plate 6. In this embodiment, the wedge block 4 is set as a wedge iron, and the fixing plate 1, the fixing back plate 6 and the scraper 2 are set as iron plates.

[0039] A construction method using a foundation pit cleaning scraper device as described above includes the following steps:

[0040] S1, Assembly device

[0041] A threaded hole is provided on the fixing plate 1. The bottoms of the fixing plate 1 and the fixing back plate 6 are welded together, forming a 10° angle during welding. The tops of the fixing plate 1 and the fixing back plate 6 are welded and fixed to the sleeve 3, forming a fixing through groove 7 between the fixing plate 1 and the fixing back plate 6. A scraper 2 of appropriate length is selected according to the spacing between two adjacent piles in the foundation pit. The scraper 2 is inserted into the fixing through groove 7. The fastening pin 5 is passed through the threaded hole and contacts the scraper 2, holding the scraper 2 against the fixing back plate 6.

[0042] S2. Fit the clamp 3 onto the bucket teeth.

[0043] The sleeve 3 is fitted onto the bucket teeth, and the wedge 4 is placed inside the sleeve 3 and engaged between the sleeve 3 and the bucket teeth.

[0044] S3. Start the excavator and move the scraper 2 along the bottom of the pit.

[0045] The excavator is started, and the scraper blade 2 is moved along the bottom of the pit to clean the trench. The elevation points are measured multiple times with the help of manual labor to ensure that the excavation reaches the designed depth. The scraped loose soil and debris can be piled up, loaded into dump trucks and transported away to avoid secondary pollution of the trench bottom.

[0046] The advantages and positive effects of this utility model are:

[0047] 1. It replaces manual labor, enabling efficient and rapid cleaning of the bottom of the foundation pit, effectively reducing cleaning time and personnel input, lowering operating costs, improving work efficiency, accelerating construction progress, and allowing for rapid transportation of foundation soil without disturbing the foundation.

[0048] 2. The device is made from readily available materials, is detachable, has low manufacturing costs, and can be recycled.

[0049] 3. Depending on the spacing between two adjacent piles in the foundation pit, scrapers of different lengths can be installed to suit different working conditions. The structure is simple and the operation is convenient.

[0050] The embodiments of this disclosure have been described in detail above with reference to the accompanying drawings. It should be noted that implementations not illustrated or described in the drawings or the main text of the specification are forms known to those skilled in the art and have not been described in detail. Furthermore, the definitions of the various components described above are not limited to the specific structures, shapes, or methods mentioned in the embodiments, and those skilled in the art can easily modify or substitute them.

[0051] The embodiments of this utility model have been described in detail above, but the content described is only a preferred embodiment of this utility model and should not be considered as limiting the scope of implementation of this utility model. All equivalent changes and improvements made in accordance with the claims of this utility model should still fall within the patent coverage of this utility model.

Claims

1. A pit cleaning scraper device, installed on the bucket of an excavator, characterized in that: include, A clamp is fitted onto the teeth of the bucket. The fixing kit is mounted on the sleeve; The scraper is inserted inside the fixing kit and is detachably connected to the fixing kit.

2. The excavation cleaning scraper device according to claim 1, characterized in that: The sleeve is provided with a wedge, which engages between the sleeve and the bucket teeth.

3. The excavation cleaning scraper device according to claim 1, characterized in that: Multiple sleeves are provided and arranged along the fixing kit.

4. A foundation pit cleaning scraper device according to any one of claims 1-3, characterized in that: The length of the scraper is greater than the length of the fixing kit.

5. A pit cleaning scraper device according to any one of claims 1-3, characterized in that: The fixing kit includes a fixing back plate and a fixing plate. The tops of the fixing back plate and the fixing plate are respectively connected to the sleeve. The bottom of the fixing back plate is connected to the fixing plate. A fixing through groove is formed between the fixing back plate and the fixing plate. The scraper passes through the fixing through groove and is detachably connected to the fixing through groove.

6. The excavation pit cleaning scraper device according to claim 5, characterized in that: An angle is provided between the bottom of the fixed back plate and the fixed plate, and the angle is set to 9 to 11°.

7. The excavation cleaning scraper device according to claim 5, characterized in that: A fastening pin is provided on the fixing plate, and the fastening pin holds the scraper against the fixing back plate.

8. The excavation pit cleaning scraper device according to claim 7, characterized in that: The number of fastening pins is multiple.

9. A foundation pit cleaning scraper device according to claim 7 or 8, characterized in that: The fixing plate is provided with threaded holes, and the fastening pin is adapted to the threaded holes.

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