Fixing device for rake teeth of excavating chain of screen scarifier

Abstract

The utility model discloses a screen scarifier digging chain harrow tooth fixing device which comprises a fixing device, the fixing device comprises a mounting frame, two fixing assemblies and a chain harrow tooth frame, the upper end face of the mounting frame is symmetrically provided with the two fixing assemblies, and each fixing assembly comprises a hinge seat, a mounting seat and a positioning rod. A positioning plate is fixedly arranged at the upper end of the mounting seat, the hinge seat is fixedly mounted on the positioning plate, a positioning rod is arranged in the hinge seat, and a fixing block is arranged at one end of the positioning rod and fixedly connected to the outer wall of the mounting plate. One side of the mounting plate is connected to a hinge block in an attached mode, one end of the hinge block is fixedly connected to the chain harrow tooth frame, a mounting sleeve is fixedly arranged on the outer wall of the chain harrow tooth frame, a convex frame is arranged at one end of the mounting sleeve, and a threaded rod is arranged in the convex frame, so that the chain harrow tooth frame can be quickly and stably mounted, and the fastening performance of the chain harrow tooth frame is improved; and the situation that loosening affects the digging work efficiency is avoided, and practicability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of digging chain rake teeth of a screen cleaning machine, in particular to a fixing device for digging chain rake teeth of a screen cleaning machine. Background Art

[0002] Some traditional cleaning machines are used on railway lines, while others are used to salvage aquatic plants on rivers. When used on railway lines, the dirty ballast from the bottom of the pillow to the deep range is dug out and screened. The qualified ballast after screening is backfilled on the line, and some new ballast is added to form a clean roadbed. Aquatic plants must be cleaned regularly on rivers. Cleaning machines can be divided into small, medium and large types according to their power. Small cleaning machines are the most common and are often used in rivers.

[0003] The existing fixing device of the excavating chain rake teeth of the screening machine is relatively not tight enough when fixing the chain rake teeth. The chain rake teeth become loose during work, which easily leads to uneven scraping of gravel by the chain rake teeth, affecting the work progress. At the same time, problems such as the chain rake teeth slipping may also occur, which brings difficulties to the staff, wastes time and effort, and affects the use. In view of the above problems, we propose an improved and upgraded fixing device for the excavating chain rake teeth of the screening machine. Utility Model Content

[0004] The utility model aims to provide a fixing device for the rake teeth of the digging chain of a screen cleaning machine, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to solve the above problems, the following technical solutions are provided:

[0006] A fixing device for the excavating chain rake teeth of a screening machine is designed, including a fixing device, the fixing device includes a mounting frame, a fixing assembly and a chain rake tooth frame, two fixing assemblies are symmetrically arranged on the upper end surface of the mounting frame, and the fixing assembly includes a hinge seat, a mounting seat and a positioning rod, a positioning plate is fixedly arranged on the upper end of the mounting seat, the hinge seat is fixedly mounted on the positioning plate and a positioning rod is arranged inside the hinge seat, a fixing block is arranged at one end of the positioning rod and the fixing block is fixedly connected to the outer wall of the mounting plate, one side of the mounting plate is fittedly connected to the hinge block and one end of the hinge block is fixedly connected to the chain rake tooth frame, a mounting sleeve is fixedly arranged on the outer wall of the chain rake tooth frame and a convex frame is arranged at one end of the mounting sleeve, and a threaded rod is arranged inside the convex frame.

[0007] Furthermore, a protrusion is fixedly and symmetrically arranged on one side of the outer wall of the mounting frame, and a mounting rod is arranged inside the two protrusions, and one end of the mounting rod is connected to the screening machine.

[0008] Furthermore, two groups of first knobs are arranged below the mounting frame and the upper ends of the first knobs are fixedly connected to first screws, a slot is opened inside the mounting frame, the outer wall of the first screw is threadedly connected inside the slot and the extended end is connected to the bottom of the chain rake tooth frame.

[0009] Furthermore, there are two hinge blocks and a limit rod is provided on the outer wall of the hinge block, one end of the limit rod passes through the inside of the mounting sleeve, the upper end of the threaded rod is fixedly connected to a threaded knob, and one end of the threaded rod is connected to the mounting frame.

[0010] Furthermore, a second knob is disposed on the outer wall of the hinge seat and a second screw is fixedly connected to the outer wall of the second knob. The second screw is threadedly connected to the interior of the hinge seat and an extending end thereof is connected to the positioning plate.

[0011] Furthermore, a placement groove is provided inside the positioning plate, one end of the positioning rod is arranged inside the placement groove, and the positioning rod and the hinge seat are fixedly connected.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model device is provided with a mounting frame, a first screw rod, a second screw rod, a convex frame, a mounting seat, an articulated seat, a positioning rod and other components. The threaded rod is driven to be fixed on the mounting frame by rotating a threaded knob, and the chain rake tooth frame is secondarily fixed by rotating the first knob to drive the first screw rod to rotate. The articulated seat on the outer wall of the positioning plate on the mounting seat is used to limit the articulated block connected to the mounting plate by using a fixing block at one end of the positioning rod in the middle of the articulated seat, so that the chain rake tooth frame can be stably installed, the stability of the chain rake tooth frame during work can be improved, and the problem of looseness caused by loose installation can be avoided. It is beneficial for the chain rake tooth frame to be stably fixed on the mounting frame, the tightness of the chain rake tooth frame installation can be improved, the excavation work efficiency can be improved, and the structure is simple.

[0014] With reference to the following description and drawings, specific embodiments of the present invention are disclosed in detail, indicating the manner in which the principles of the present invention can be adopted. It should be understood that the embodiments of the present invention are not limited in scope. Within the spirit and scope of the appended claims, the embodiments of the present invention include many changes, modifications and equivalents. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of a fixing device for the rake teeth of a digging chain of a screen cleaning machine according to the utility model;

[0017] Figure 2 This is a schematic diagram of the overall disassembled structure of a fixing device for the rake teeth of a digging chain of a screen cleaning machine according to the utility model;

[0018] Figure 3 for Figure 2 A schematic diagram of the partially enlarged decomposed structure;

[0019] Figure 4 for Figure 2 Schematic diagram of local split structure;

[0020] Figure 5 for Figure 2 Schematic diagram of the partially enlarged split structure.

[0021] In the figure: 1. fixing device; 2. mounting frame; 3. hinge block; 4. protrusion; 5. mounting rod; 6. threaded knob; 7. fixing assembly; 71. mounting seat; 72. positioning plate; 73. hinge seat; 74. second knob; 75. second screw rod; 76. positioning rod; 77. fixing block; 78. mounting plate; 79. placement groove; 8. chain rake tooth frame; 9. convex frame; 10. first screw rod; 11. notch; 12. first knob; 13. threaded rod; 14. mounting sleeve; 15. limit rod. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figure 1 - Figure 5 As shown, the present embodiment provides a fixing device for the excavating chain rake teeth of a screening machine, comprising a fixing device 1, the fixing device 1 comprising a mounting frame 2, a fixing assembly 7 and a chain rake tooth frame 8, two fixing assemblies 7 are symmetrically arranged on the upper end surface of the mounting frame 2, and the fixing assembly 7 comprises a hinged seat 73, a mounting seat 71 and a positioning rod 76, a positioning plate 72 is fixedly arranged on the upper end of the mounting seat 71, the hinged seat 73 is fixedly mounted on the positioning plate 72 and a positioning rod 76 is arranged inside the hinged seat 73, a fixing block 77 is arranged at one end of the positioning rod 76 and the fixing block 77 is fixedly connected to the outer wall of the mounting plate 78, one side of the mounting plate 78 is fittedly connected to the hinged block 3 and one end of the hinged block 3 is fixedly connected to the chain rake tooth frame 8, a mounting sleeve 14 is fixedly arranged on the outer wall of the chain rake tooth frame 8 and a convex frame 9 is arranged at one end of the mounting sleeve 14, and a threaded rod 13 is arranged inside the convex frame 9.

[0024] Preferably, a protrusion 4 is fixedly and symmetrically provided on one side of the outer wall of the mounting frame 2, and a mounting rod 5 is provided inside the two protrusions 4 and one end of the mounting rod 5 is connected to the screening machine, so as to facilitate fixing the mounting frame 2 on the screening machine, two groups of first knobs 12 are provided below the mounting frame 2 and the upper end of the first knob 12 is fixedly connected to the first screw 10, a slot 11 is provided inside the mounting frame 2, the outer wall of the first screw 10 is threadedly connected to the inside of the slot 11 and the extended end is connected to the bottom of the chain rake tooth frame 8, so as to facilitate fixing the chain rake tooth frame 8 and the mounting frame 2, two hinge blocks 3 are provided and a limiting rod 15 is provided on the outer wall of the hinge block 3, one end of the limiting rod 15 passes through the inside of the mounting sleeve 14, the upper end of the threaded rod 13 is fixedly connected to the threaded knob 6, and one end of the threaded rod 13 is connected to the mounting frame 2, so as to facilitate relatively stable installation of the chain rake tooth frame 8 and the mounting frame 2.

[0025] Preferably, the outer wall of the articulated seat 73 is provided with a second knob 74 and the outer wall of the second knob 74 is fixedly connected with a second screw 75, the second screw 75 is threadedly connected to the inside of the articulated seat 73 and the extended end is connected to the positioning plate 72, so as to facilitate fixing the articulated seat 73 to the positioning plate 72, and the positioning plate 72 is provided with a placement groove 79, one end of the positioning rod 76 is arranged in the placement groove 79, and the positioning rod 76 and the articulated seat 73 are fixedly connected, so as to facilitate using the positioning rod 76 to fix the articulated block 3 at one end of the mounting plate 78, thereby improving the installation tightness.

[0026] The use principle and use process of the utility model are as follows: first, by placing the convex frame 9 at one end of the mounting sleeve 14 on the chain rake tooth frame 8 on the mounting frame 2, and by rotating the threaded knob 6 to drive the threaded rod 13 to fix it on the mounting frame 2, the chain rake tooth frame 8 can be fixed. At this time, the chain rake tooth frame 8 is secondarily fixed by rotating the first knob 12 to drive the first screw rod 10 to rotate, thereby improving its installation tightness. Through the hinged seat 73 on the outer wall of the positioning plate 72 on the mounting seat 71, the fixing block 77 at one end of the positioning rod 76 in the middle of the hinged seat 73 is used to limit the hinged block 3 connected to the mounting plate 78, so as to facilitate the stable installation of the chain rake tooth frame 8, improve the stability of the chain rake tooth frame 8 during operation, and avoid problems such as looseness caused by loose installation. Finally, the convex block 4 on the mounting frame 2 is fixed to the screening machine by the mounting plug 5.

[0027] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

Claims

1. A fixing device for the rake teeth of a digging chain of a screen cleaning machine, characterized in that: The invention comprises a fixing device (1), wherein the fixing device (1) comprises a mounting frame (2), a fixing assembly (7) and a chain rake tooth frame (8), wherein the upper end surface of the mounting frame (2) is symmetrically provided with two fixing assemblies (7), and the fixing assembly (7) comprises an articulated seat (73), a mounting seat (71) and a positioning rod (76), wherein a positioning plate (72) is fixedly provided at the upper end of the mounting seat (71), the articulated seat (73) is fixedly installed on the positioning plate (72) and a positioning rod (76) is provided inside the articulated seat (73). A positioning rod (76), one end of which is provided with a fixing block (77) and the fixing block (77) is fixedly connected to the outer wall of a mounting plate (78), one side of the mounting plate (78) is fittedly connected to the hinge block (3) and one end of the hinge block (3) is fixedly connected to the chain rake tooth frame (8), the outer wall of the chain rake tooth frame (8) is fixedly provided with a mounting sleeve (14) and one end of the mounting sleeve (14) is provided with a convex frame (9), and a threaded rod (13) is provided inside the convex frame (9).

2. A fixing device for rake teeth of a digging chain of a screen cleaning machine according to claim 1, characterized in that: One side of the outer wall of the mounting frame (2) is fixedly and symmetrically provided with protrusions (4), and mounting rods (5) are arranged inside the two protrusions (4), and one end of the mounting rods (5) is connected to the screening machine.

3. The fixing device of the rake teeth of the digging chain of the screen cleaning machine according to claim 1, characterized in that: Two groups of first knobs (12) are arranged below the mounting frame (2), and the upper ends of the first knobs (12) are fixedly connected to the first screw rods (10). A notch (11) is provided inside the mounting frame (2), and the outer wall of the first screw rod (10) is threadedly connected inside the notch (11) and the extended end is connected to the bottom of the chain rake tooth frame (8).

4. A fixing device for rake teeth of a digging chain of a screen cleaning machine according to claim 1, characterized in that: The hinge blocks (3) are provided in two numbers and a limit rod (15) is provided on the outer wall of the hinge block (3), one end of the limit rod (15) passes through the interior of the mounting sleeve (14), the upper end of the threaded rod (13) is fixedly connected to a threaded knob (6), and one end of the threaded rod (13) is connected to the mounting frame (2).

5. The fixing device for the rake teeth of the digging chain of the screen cleaning machine according to claim 1, characterized in that: The outer wall of the hinge seat (73) is provided with a second knob (74) and the outer wall of the second knob (74) is fixedly connected with a second screw rod (75). The second screw rod (75) is threadedly connected to the inside of the hinge seat (73) and the extending end is connected to the positioning plate (72).

6. A fixing device for rake teeth of a digging chain of a screen cleaning machine according to claim 1, characterized in that: A placement groove (79) is provided inside the positioning plate (72), one end of the positioning rod (76) is arranged inside the placement groove (79), and the positioning rod (76) and the hinge seat (73) are fixedly connected.

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