Mounting structure for rake teeth of excavating chain of screen scarifier

Abstract

The utility model discloses a mounting structure for rake teeth of an excavating chain of a screen scarifier, which belongs to the technical field of screen scarifiers and comprises a fixing plate, a mounting groove is arranged at the top end of the fixing plate, a mounting seat is positioned in the mounting groove, clamping grooves are arranged on two sides of the mounting seat, a plurality of rake teeth are fixed at one end of the mounting seat, grooves are arranged on two inner walls of the mounting groove, and connecting rods are arranged on two sides of the fixing plate. Sliding rods are fixed to the side faces of the top ends of the two connecting rods, first rotating shafts are fixed to the bottom ends of the two connecting rods, the other ends of the sliding rods penetrate through the two grooves and are fixedly provided with clamping blocks located in the clamping grooves, the clamping blocks are connected with the grooves through first springs surrounding the side faces of the sliding rods, and the side faces of the two first rotating shafts are connected with first round pipes; an annular plate is connected to the side face of the rotating rod, two second rotating shafts are fixed to the edge of the bottom end of the annular plate, second round pipes are connected to the side faces of the two second rotating shafts, and the two second round pipes are fixedly connected with the two first round pipes through driving rods correspondingly; by using the mounting structure, the plurality of rake teeth are simple and efficient to mount, and are convenient for workers to operate and use.

Description

Technical Field

[0001] This utility model relates to the field of screen cleaning machine technology, and in particular to an installation structure for the digging chain rake teeth of a screen cleaning machine. Background Technology

[0002] Traditional ballast cleaning machines are used in both railway lines and rivers for removing aquatic plants. When used on railway lines, they are used to excavate and screen the dirty ballast from the bottom of the sleepers to the depths. The qualified ballast is then backfilled onto the track, and some new ballast is added to form a clean track bed. In rivers, aquatic plants must be cleaned and screened regularly. Ballast cleaning machines can be classified into small, medium, and large sizes according to their power output. Small ballast cleaning machines are the most common and are frequently used in rivers.

[0003] The existing screen cleaning machine's digging chain rake teeth are not simple or efficient to install, and are inconvenient for workers to operate. Therefore, there is an urgent need to design a new installation structure for the screen cleaning machine's digging chain rake teeth to solve the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide an installation structure for the digging chain rake teeth of a screen cleaning machine, so as to solve the problem that the existing digging chain rake teeth of the screen cleaning machine are not simple and efficient to install, which makes them inconvenient for workers to operate and use.

[0005] To solve the above-mentioned technical problems, this utility model provides an installation structure for the excavating chain rake teeth of a screen cleaning machine, including a fixing plate. The top of the fixing plate has an installation groove, and the mounting seat is located in the installation groove. Both sides of the mounting plate have slots, and a number of rake teeth are fixed at one end. The inner walls of the installation groove have grooves. Both sides of the fixing plate are provided with connecting rods. The top sides of the two connecting rods are fixed with sliding rods, and the bottom ends of the two connecting rods are fixed with first rotating shafts. The other ends of the sliding rods pass through the two grooves respectively and are fixed with locking blocks located in the slots. The locking blocks are connected to the grooves by a first spring surrounding the side of the sliding rod. The sides of the two first rotating shafts are movably connected with first round tubes.

[0006] A rotating rod is fixed to the bottom of the fixed plate, and a ring plate is movably connected to the side of the rotating rod. Two second rotating shafts are fixed to the bottom edge of the ring plate. A second circular tube is movably connected to the side of each of the two second rotating shafts and is centrally symmetrical with the center of the ring plate. The two second circular tubes are respectively fixedly connected to the two first circular tubes through a drive rod.

[0007] Optionally, the inner sidewall of the mounting groove is connected to a push plate via several telescopic rods and several second springs. The number of telescopic rods and the number of second springs are the same and correspond one-to-one. Two first fixing blocks and a second fixing block are fixed to the side of the push plate. A bearing is fixed on the second fixing block, and a bolt is connected to the bearing. A connecting plate is threaded to the side of the bolt. Movable rods are fixed at both ends of the bottom surface of the connecting plate. The two movable rods are slidably connected to the two first fixing blocks respectively, and a pressure block is fixed at the bottom end of each of them.

[0008] Optionally, a limit block is fixed at the bottom end of the rotating rod.

[0009] Optionally, a positioning block is fixed to the bottom of the mounting base.

[0010] Optionally, the bottom surface of the mounting groove has two guide grooves, and the bottom end of the mounting base is fixed with two guide rods, which are slidably connected to the two guide grooves respectively.

[0011] Optionally, a lever is fixed to the side of the ring plate.

[0012] Optionally, two mounting blocks are fixed to the side of the fixing plate, and the mounting blocks have mounting holes.

[0013] In the installation structure of the excavating chain rake teeth of the screen cleaning machine provided by this utility model, the top of the fixed plate has an installation groove, the mounting base is located in the installation groove, and both sides of the mounting base have slots. Several rake teeth are fixed at one end. The inner walls of the installation groove have grooves. Both sides of the fixed plate are provided with connecting rods. The top sides of the two connecting rods are fixed with sliding rods, and the bottom ends of the two connecting rods are fixed with first rotating shafts. The other ends of the sliding rods pass through the two grooves and are fixed with locking blocks located in the slots. The locking blocks and the grooves are connected by a first spring surrounding the side of the sliding rod. The two first rotating shafts are movably connected to the sides of the two first rotating shafts. The bottom end of the fixed plate is fixed with a rotating rod, and the side of the rotating rod is movably connected with a ring plate. The bottom edge of the ring plate is fixed with two second rotating shafts. The sides of the two second rotating shafts are movably connected with second round tubes and are centrally symmetrical with the center of the ring plate. The two second round tubes are respectively fixedly connected to the two first round tubes by drive rods. Using the installation structure of the excavating chain rake teeth of the screen cleaning machine, the installation of several rake teeth is simple and efficient, and convenient for workers to operate. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the installation structure of the excavating chain rake teeth of the screen cleaning machine provided by this utility model;

[0015] Figure 2 This is a top view of the installation structure of the excavating chain rake teeth of the screen cleaning machine provided by this utility model;

[0016] Figure 3 yes Figure 2 Sectional view of AA;

[0017] Figure 4 This is a bottom view of the installation structure of the excavating chain rake teeth of the screen cleaning machine provided by this utility model.

[0018] In the diagram: 1. Fixed plate; 2. Mounting groove; 3. Mounting base; 4. Rake teeth; 5. Telescopic rod; 6. Second spring; 7. Push plate; 8. Slot; 9. Groove; 10. Connecting rod; 11. Slide rod; 12. Locking block; 13. First spring; 14. First rotating shaft; 15. First round tube; 16. Rotating rod; 17. Ring plate; 18. Second rotating shaft; 19. Second round tube; 20. Drive rod; 21. First fixed block; 22. Second fixed block; 23. Bearing; 24. Bolt; 25. Connecting plate; 26. Movable rod; 27. Pressure block; 28. Limiting block; 29. ​​Positioning block; 30. Guide groove; 31. Guide rod; 32. Mounting block; 33. Mounting hole; 34. Toggle rod. 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. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0022] This utility model provides an installation structure for the excavating chain rake teeth of a screen cleaning machine, the structure of which is as follows: Figures 1-4As shown, the device includes a fixed plate 1 with a mounting groove 2 at its top. A mounting base 3 is located in the mounting groove 2 and has slots 8 on both sides. Several rake teeth 4 are fixed to one end of the fixed plate 1. Grooves 9 are formed on both inner walls of the mounting groove 2. Connecting rods 10 are provided on both sides of the fixed plate 1. Slide rods 11 are fixed to the top side of both connecting rods 10 and first rotating shafts 14 are fixed to the bottom of both connecting rods 10. The other end of the slide rods 11 passes through two grooves 9 and is fixed with a locking block 12 located in the slot 8. The locking block 12 is connected to the groove 9 by a first spring 13 surrounding the side of the slide rod 11. The two first rotating shafts 14 are connected by a first spring 13 surrounding the side of the slide rod 11. The sides of shaft 14 are movably connected to first circular tubes 15; a rotating rod 16 is fixed to the bottom of fixed plate 1, and a ring plate 17 is movably connected to the side of rotating rod 16. Two second rotating shafts 18 are fixed to the bottom edge of ring plate 17, and two second circular tubes 19 are movably connected to the sides of the two second rotating shafts 18 and are centrally symmetrical with the center of ring plate 17. The two second circular tubes 19 are respectively fixedly connected to the two first circular tubes 15 through drive rods 20. The elastic action of two first springs 13 causes two locking blocks 12 to enter two locking slots 8 respectively, thereby realizing the installation of several rake teeth 4. The installation structure of the excavating chain rake teeth using the screen cleaning machine makes the installation of several rake teeth 4 simple and efficient, and convenient for workers to operate.

[0023] Furthermore, the inner sidewall of the mounting groove 2 is connected to a push plate 7 via several telescopic rods 5 and several second springs 6. The number of telescopic rods 5 and second springs 6 are the same and correspond one-to-one. Two first fixing blocks 21 and second fixing blocks 22 are fixed on the side of the push plate 7. A bearing 23 is fixed on the second fixing block 22. A bolt 24 is connected to the bearing 23. A connecting plate 25 is threaded on the side of the bolt 24. Movable rods 26 are fixed at both ends of the bottom surface of the connecting plate 25. The two movable rods 26 are slidably connected to the two first fixing blocks 21 respectively, and a pressure block 27 is fixed at the bottom end of each of them, applying a vertical force to the mounting base 3 and several rake teeth 4.

[0024] Furthermore, a limit block 28 is fixed at the bottom of the rotating rod 16 to support the rotation of the ring plate 17.

[0025] Furthermore, a positioning block 29 is fixed at the bottom of the mounting base 3, so that the two grooves 9 correspond to the two slots 8 respectively, so that the locking block 12 can accurately enter the slot 8 to achieve the snap-fit ​​connection.

[0026] Furthermore, the bottom surface of the mounting groove 2 has two guide grooves 30, and the bottom end of the mounting base 3 is fixed with two guide rods 31. The two guide rods 31 are slidably connected to the two guide grooves 30 respectively, so that the mounting base 3 moves stably in the mounting groove 2.

[0027] Furthermore, a lever 34 is fixed to the side of the ring plate 17 to facilitate the rotation of the ring plate 17.

[0028] Furthermore, two mounting blocks 32 are fixed to the side of the fixing plate 1, and mounting holes 33 are opened on the mounting blocks 32 to facilitate the installation of the fixing plate 1.

[0029] The working principle of this utility model is as follows: First, rotate the ring plate 17 to drive the two second rotating shafts 18 and one end of the two drive rods 20 to rotate. At this time, the other end of the two drive rods 20 respectively drives the two slide rods 11 to drive the locking blocks 12 into the grooves 9 and compress the two first springs 13. Then, the mounting base 3 is placed in the mounting groove 2 and moved inward so that the push plate 7 compresses several second springs 6 until the positioning block 29 contacts the fixing plate 1. At this time, release the lever 34, the two first springs 13 reset and drive the two locking blocks 12 to enter the two locking grooves 8 respectively, thus completing the installation of several rake teeth 3.

[0030] The above description is only a description of the preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model in any way. Any changes or modifications made by those skilled in the art based on the above disclosure shall fall within the protection scope of the claims.

Claims

1. An installation structure for the excavating chain rake teeth of a screen cleaning machine, comprising a fixing plate (1) and a mounting base (3), characterized in that, The top of the fixed plate (1) has an installation groove (2), the mounting base (3) is located in the installation groove (2), and both sides of it have slots (8). One end is fixed with several rake teeth (4). The two inner walls of the installation groove (2) have grooves (9). Both sides of the fixed plate (1) are provided with connecting rods (10). The top sides of the two connecting rods (10) are fixed with sliding rods (11), and the bottom ends are fixed with first rotating shafts (14). The other end of the sliding rods (11) passes through the two grooves (9) respectively and is fixed with a block (12) located in the slot (8). The block (12) and the groove (9) are connected by a first spring (13) surrounding the side of the sliding rod (11). The two first rotating shafts (14) are movably connected with first round tubes (15). The bottom end of the fixed plate (1) is fixed with a rotating rod (16), and the side of the rotating rod (16) is movably connected with a ring plate (17). The bottom edge of the ring plate (17) is fixed with two second rotating shafts (18). The sides of the two second rotating shafts (18) are movably connected with second round tubes (19) and are centrally symmetrical with the center of the ring plate (17). The two second round tubes (19) are respectively fixedly connected to the two first round tubes (15) through a drive rod (20).

2. The installation structure of the excavating chain rake teeth of the screen cleaning machine as described in claim 1, characterized in that, The inner sidewall of the mounting groove (2) is connected to a push plate (7) by a number of telescopic rods (5) and a number of second springs (6). The number of telescopic rods (5) and the number of second springs (6) are the same and correspond one-to-one. Two first fixing blocks (21) and a second fixing block (22) are fixed on the side of the push plate (7). A bearing (23) is fixed on the second fixing block (22). A bolt (24) is connected to the bearing (23). A connecting plate (25) is threaded on the side of the bolt (24). Movable rods (26) are fixed at both ends of the bottom surface of the connecting plate (25). The two movable rods (26) are slidably connected to the two first fixing blocks (21) respectively, and a pressure block (27) is fixed at the bottom end of each of them.

3. The installation structure of the excavating chain rake teeth of the screen cleaning machine as described in claim 1, characterized in that, The bottom end of the rotating rod (16) is fixed with a limit block (28).

4. The installation structure of the excavating chain rake teeth of the screen cleaning machine as described in claim 1, characterized in that, The mounting base (3) has a positioning block (29) fixed at its bottom end.

5. The installation structure of the excavating chain rake teeth of the screen cleaning machine as described in claim 1, characterized in that, The bottom surface of the mounting groove (2) has two guide grooves (30), and the bottom end of the mounting base (3) is fixed with two guide rods (31), and the two guide rods (31) are slidably connected to the two guide grooves (30) respectively.

6. The installation structure of the excavating chain rake teeth of the screen cleaning machine as described in claim 1, characterized in that, A lever (34) is fixed to the side of the ring plate (17).

7. The installation structure of the excavating chain rake teeth of the screen cleaning machine as described in claim 1, characterized in that, The fixing plate (1) has two mounting blocks (32) fixed on its side, and the mounting blocks (32) have mounting holes (33).

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