Connecting structure of mud scraper support

The combined design of U-shaped fixing blocks, fixing bolts and clamping mechanism realizes convenient connection and firm fixation of the scraper blade, which solves the problems of inconvenient installation and unstable fixation of scraper blades in the existing technology, and is suitable for scraper blades of different thicknesses.

CN224086098UActive Publication Date: 2026-04-07GUANGDONG KAITONGDA URBAN RAIL ENGINEERING SERVICE CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

The existing scraper blades have a complex connection structure, which makes installation inconvenient, makes quick replacement impossible, and makes them unstable, especially when the scraper blades are of inconsistent thickness, they cannot be effectively connected and fixed.

Method used

The design employs a combination of U-shaped fixing blocks, fixing bolts, clamping mechanisms, and central fixing mechanisms. Through the cooperation of sliding rings, hinge blocks, fixing cylinders, and telescopic springs, it achieves stable connection and firm fixation of scraper blades of different thicknesses.

Benefits of technology

It improves the ease of connection and stability of the scraper blade, ensuring its firm fixation under different thickness conditions, and solves the problems of inconvenient installation and unstable fixation in the existing technology.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224086098U_ABST
    Figure CN224086098U_ABST
Patent Text Reader

Abstract

The utility model discloses a connecting structure of a scraper support, which relates to the technical field of connecting structures and comprises U-shaped fixing blocks on two sides and positioning grooves arranged between two ends of the U-shaped fixing blocks, the lower ends of the U-shaped fixing blocks are tightly attached to two side walls of a scraper, and fixing holes are horizontally arranged in the middles of the U-shaped fixing blocks in a penetrating manner. Fixing bolts are horizontally mounted in the fixing holes; according to the connecting structure, the sliding ring and the hinge block are matched with each other, so that the mud scraping plates with different thicknesses can be conveniently connected and fixed, the use convenience of the connecting structure is improved, the function of connecting and fixing the mud scraping plates with different thicknesses is further realized, and a first telescopic spring in a fixed cylinder is matched with a second telescopic spring in a middle rod; and the connecting structure can be tightly attached to the two sides of the mud scraping plate conveniently, the stability of the connecting structure in the using process is improved, then the function of firmly fixing the mud scraping plate is achieved, and finally the problems that the mud scraping plate cannot be replaced and is not firmly fixed are solved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to connecting structure technical field especially relates to a connection structure of mud scraping board support. BACKGROUND

[0002] In the sewage treatment plant, the truss car type mud suction machine is widely applied, and the installation and connection mode of the mud scraping board is crucial. The fixed mud scraping board is fixed with the truss car type mud suction machine through angle iron or square tube, which can form a closed space between the mud scraping board and the initial end pool wall of the primary sedimentation tank and the pool wall on both sides of the sedimentation tank, so that the dregs cannot be discharged, and the normal function of the sedimentation tank is affected. The return type mud scraping board can solve the problem of dregs discharge, but when the length of the mud scraping board is too large, it cannot be stably kept in the inclined state due to the self weight, and is suitable for small span truss car type mud suction machine. The electric telescopic rod type mud scraping board device can be used for various span mud suction machines, but its structure is complex, and the failure of the limiter can affect the normal operation of the mud scraping board.

[0003] However, the existing mud scraping board cannot be quickly and conveniently replaced due to its complex structure during the connection and installation process, and the connection structure of the existing mud scraping board support cannot connect the mud scraping board due to different thicknesses of the mud scraping board during the installation process of the mud scraping board, and the mud scraping board is not firmly fixed. Therefore, the above technical problems need to be solved and handled. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in the prior art and provides a connection structure of mud scraping board support.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a connection structure of mud scraping board support, including the positioning groove between the U-shaped fixed blocks on both sides and the two ends of the U-shaped fixed blocks, the lower end of the U-shaped fixed block is closely attached to the side walls of the mud scraping board, a fixed hole is horizontally and throughly arranged in the middle part of the U-shaped fixed block, a fixed bolt is horizontally arranged in the fixed hole, a fixed nut is arranged on the two ends of the fixed bolt through threaded connection, a center fixing mechanism is arranged on the two sides of the fixed bolt, and a clamping is arranged on the upper end of the U-shaped fixed block.

[0006] Preferably, a positioning block is arranged in the middle part of the upper end of the U-shaped fixed block, the lower end of the positioning block is fixedly connected to the upper end of the middle part of the fixed bolt, a connecting barrel is fixedly connected to the upper end of the positioning block, and a connecting thread groove is arranged in the inner wall of the connecting barrel.

[0007] Preferably, the center fixing mechanism comprises a center groove horizontally arranged between the U-shaped fixed blocks on both sides, a center rod is horizontally arranged in the center groove, cross-shaped limiting grooves are equidistantly arranged in the middle part of the two ends of the center rod, a limiting block is slidably arranged in the cross-shaped limiting groove, and a second extension spring is arranged between the limiting block and the center rod.

[0008] Preferably, hinge blocks are fixed to both sides of the upper end of the U-shaped fixing block, and a connecting groove is formed between the lower ends of the hinge blocks and the U-shaped fixing blocks.

[0009] Preferably, the clamping mechanism includes a square frame vertically installed between two U-shaped fixing blocks. A sliding hole is vertically opened in the middle of the square frame, and a threaded rod is vertically installed in the sliding hole. The other end of the threaded rod is rotatably connected to the square frame, and a sliding ring is threadedly connected to the threaded rod. Both ends of the sliding ring are hinged with hinge rods, and the other end of the hinge rods is hinged between the hinge blocks fixed to the upper end of the U-shaped fixing blocks.

[0010] Preferably, a fixing cylinder is horizontally fixed to the lower end of the square frame. The fixing cylinder is installed in the connecting groove of the U-shaped fixing blocks on both sides, and both ends of the fixing cylinder are provided with grooves facing the center. A first telescopic spring is installed between the groove and the inner wall of the U-shaped fixing block.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: In this utility model, the sliding ring and the hinge block cooperate with each other to facilitate the connection and fixation of scraper blades of different thicknesses, which improves the convenience of the connection structure and realizes the function of connecting and fixing scraper blades of different thicknesses. Furthermore, the first telescopic spring in the fixing cylinder and the second telescopic spring in the central rod cooperate with each other to make the connection structure fit tightly against both sides of the scraper blade, which improves the stability of the connection structure during use and thus realizes the function of firmly fixing the scraper blade. Finally, it solves the problems of not being able to replace the scraper blade and the problem of not being firmly fixed. Attached Figure Description

[0012] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0013] Figure 1 This is a schematic diagram of the overall three-dimensional structure proposed in this utility model;

[0014] Figure 2 This is a schematic diagram of the overall three-dimensional structure of the connection structure proposed in this utility model;

[0015] Figure 3 This is a schematic diagram of the overall three-dimensional structure of the partial connection structure proposed in this utility model;

[0016] Figure 4 This is a side view sectional structural diagram of the present invention;

[0017] Figure 5 This is a top view cross-sectional structural diagram of the present invention.

[0018] The numbers in the diagram are: 1. U-shaped fixing block; 2. Fixing bolt; 3. Fixing nut; 4. Positioning block; 5. Connecting cylinder; 6. Connecting threaded groove; 7. Hinge block; 8. Hinge rod; 9. Square frame; 10. Threaded rod; 11. Positioning groove; 12. Fixing cylinder; 13. Centering rod; 14. First telescopic spring; 15. Second telescopic spring; 16. Limiting block; 17. Sliding ring. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0020] Example: See Figures 1-5 The present invention discloses a connecting structure for a scraper bracket, comprising U-shaped fixing blocks 1 on both sides and positioning grooves 11 between the two ends of the U-shaped fixing blocks 1. The lower end of the U-shaped fixing blocks 1 is tightly fitted to the two side walls of the scraper, and a fixing hole is horizontally opened through the middle of the U-shaped fixing blocks 1. A fixing bolt 2 is horizontally installed in the fixing hole, and fixing nuts 3 are installed at both ends of the fixing bolt 2 by threaded connection. A centering fixing mechanism is installed on both sides of the fixing bolt 2. A clamping mechanism is installed on both sides of the upper end of the U-shaped fixing blocks 1. Through the U-shaped fixing blocks 1 and the fixing bolts 2, the U-shaped fixing blocks 1 can be stably fixed to both sides of the scraper. A positioning block 4 is installed in the middle of the upper end of the U-shaped fixing blocks 1, and the lower end of the positioning block 4 is... The upper part of the fixing bolt 2 is fixedly connected to the middle part of the positioning block 4, and the upper part of the positioning block 4 is fixedly connected to the connecting cylinder 5. The inner wall of the connecting cylinder 5 is provided with a connecting thread groove 6. The connecting cylinder 5 and the connecting thread groove 6 facilitate the connection and fixation of the connecting structure through the connecting rod. The centering fixing mechanism includes a centering groove horizontally opened between the two U-shaped fixing blocks 1. A centering rod 13 is horizontally installed in the centering groove. Cross-shaped limiting grooves are equally spaced at the middle of both ends of the centering rod 13. A limiting block 16 is slidably installed in the cross-shaped limiting groove. A second telescopic spring 15 is installed between the limiting block 16 and the centering rod 13. Through the limiting block 16 and the second telescopic spring 15, the U-shaped fixing block 1 can be stably and firmly and tightly fitted to the U-shaped fixing block 1.

[0021] In this utility model, hinge blocks 7 are fixedly connected to both sides of the upper end of the U-shaped fixing block 1, and a connecting groove is opened between the U-shaped fixing blocks 1 at the lower end of the hinge block 7. The U-shaped fixing block 1 is easily connected to the clamping mechanism through the hinge block 7. The clamping mechanism includes a square frame 9 vertically installed between the two U-shaped fixing blocks 1. A sliding hole is opened vertically in the middle of the square frame 9. A threaded rod 10 is vertically installed in the sliding hole. The other end of the threaded rod 10 is rotatably connected to the square frame 9, and a sliding ring 17 is threadedly connected to the threaded rod 10. Both ends of the sliding ring 17 are hinged with hinge rods. 8. The other end of the hinge rod 8 is hinged to the hinge block 7 fixed at the upper end of the U-shaped fixing block 1. Through the sliding ring 17 and the threaded rod 10, it is easy to adjust the spacing between the U-shaped fixing blocks 1 according to the thickness of the scraper plate. The lower end of the square frame 9 is horizontally fixed with a fixing cylinder 12. The fixing cylinder 12 is installed in the connecting groove of the U-shaped fixing blocks 1 on both sides, and both ends of the fixing cylinder 12 are provided with grooves facing the center. A first telescopic spring 14 is installed between the groove and the inner wall of the U-shaped fixing block 1. Through the fixing cylinder 12 and the first telescopic spring 14, it is easy to keep the fixing cylinder 12 in the middle of the scraper plate.

[0022] Working principle: When using this utility model, firstly, by rotating the threaded rod 10, the sliding ring 17 is moved downward, so that the hinge rods 8 on both sides are supported to both sides. This widens the gap between the U-shaped fixed blocks 1 through the hinge block 7 on the U-shaped fixed block 1. Then, the scraper is clamped and fixed through the positioning groove 11. Then, the square frame 9 is kept in the middle position of the U-shaped fixed block 1 by the fixing cylinder 12 and the first telescopic spring 14. Then, the limiting block 16 is tightly fitted with the U-shaped fixed block 1 by the centering rod 13 and the second telescopic spring 15, which further strengthens the firmness of the U-shaped fixed block 1. Then, the fixing nuts 3 at both ends of the fixing bolt 2 are used to fix the U-shaped fixed block 1 to prevent the scraper from loosening when scraping. Then, the connecting cylinder 5 on the positioning block 4 and the connecting threaded groove 6 are used to connect and fix the connecting structure to the equipment.

[0023] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A connecting structure for a scraper bracket, comprising U-shaped fixing blocks (1) on both sides and positioning grooves (11) formed between the two ends of the U-shaped fixing blocks (1), characterized in that: The lower end of the U-shaped fixing block (1) is tightly attached to the two side walls of the scraper, and a fixing hole is horizontally opened in the middle of the U-shaped fixing block (1). A fixing bolt (2) is horizontally installed in the fixing hole. A fixing nut (3) is installed at both ends of the fixing bolt (2) by threaded connection. A centering fixing mechanism is installed on both sides of the fixing bolt (2). A clamping mechanism is installed on both sides of the upper end of the U-shaped fixing block (1).

2. The connection structure of the scraper bracket according to claim 1, characterized in that: A positioning block (4) is installed at the middle of the upper end of the U-shaped fixing block (1). The middle of the lower end of the positioning block (4) is fixed to the upper end of the middle of the fixing bolt (2). A connecting cylinder (5) is fixed to the upper end of the positioning block (4). A connecting thread groove (6) is opened on the inner wall of the connecting cylinder (5).

3. The connection structure of the scraper bracket according to claim 1, characterized in that: The centering fixing mechanism includes a centering groove horizontally opened between two U-shaped fixing blocks (1), a centering rod (13) horizontally installed in the centering groove, and cross-shaped limiting grooves equally spaced at the middle of both ends of the centering rod (13). A limiting block (16) is slidably installed in the cross-shaped limiting groove, and a second telescopic spring (15) is installed between the limiting block (16) and the centering rod (13).

4. The connection structure of the scraper bracket according to claim 2, characterized in that: The upper sides of the U-shaped fixing block (1) are fixed with hinge blocks (7), and a connecting groove is provided between the lower ends of the hinge blocks (7) and the U-shaped fixing blocks (1).

5. The connection structure of the scraper bracket according to claim 1, characterized in that: The clamping mechanism includes a square frame (9) vertically installed between two U-shaped fixing blocks (1). A sliding hole is vertically opened in the middle of the square frame (9). A threaded rod (10) is vertically installed in the sliding hole. The other end of the threaded rod (10) is rotatably connected to the square frame (9). A sliding ring (17) is threadedly connected to the threaded rod (10). Both ends of the sliding ring (17) are hinged with hinge rods (8). The other end of the hinge rods (8) is hinged between the hinge blocks (7) fixed at the upper end of the U-shaped fixing blocks (1).

6. The connection structure of the scraper bracket according to claim 5, characterized in that: The lower end of the square frame (9) is horizontally fixed with a fixing cylinder (12). The fixing cylinder (12) is installed in the connecting groove of the U-shaped fixing blocks (1) on both sides, and the two ends of the fixing cylinder (12) are provided with grooves facing the center. A first telescopic spring (14) is installed between the groove and the inner wall of the U-shaped fixing block (1).