Vibration damper for suspender of screening machine

Abstract

A screening machine suspender damping device comprises a hanging bracket and a main machine frame arranged in the hanging bracket, the hanging bracket is connected with the main machine frame through four suspenders, and the hanging bracket comprises two bearing top beams arranged in parallel, supporting stand columns supported at the bottoms of the bearing top beams and a plurality of connecting longitudinal beams arranged between the two bearing top beams; the main machine frame comprises two bearing bottom beams arranged in parallel, pull rods arranged on the bearing bottom beams and a connecting frame connected with the pull rods. The suspension rod is arranged between the bearing top beam and the bearing bottom beam, the upper end of the suspension rod is connected with the bearing top beam through the vibration reduction mechanism, the lower end of the suspension rod is connected with the bearing bottom beam, and the vibration reduction mechanism comprises a steel sleeve arranged on the top of the bearing top beam and a rubber block arranged in the steel sleeve. The rubber block is additionally arranged between the suspender and the bearing top beam, and the rubber block can absorb vibration and prevent collision, so that the noise is lower in the swinging process of the suspender.

Description

Technical Field

[0001] The utility model relates to the technical field of screening machines, in particular to a suspension rod vibration reduction device for a screening machine. Background Art

[0002] The screening machine comprises a hanger and a main frame arranged in the hanger. The hanger is connected to the main frame through four hangers. At present, the fixed end of the hanger is connected to the swing hanger with a cross bearing. The swing hanger emits impact sound and vibration between the cross bearing and the bearing seat during the swinging process. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a suspension rod vibration reduction device for a screening machine to reduce the noise generated by the swing of the suspension rod.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: a screen machine hanger vibration reduction device, including a hanger and a main frame arranged in the hanger, the hanger is connected to the main frame through four hangers, the hanger includes two parallel load-bearing top beams, support columns supported at the bottom of the load-bearing top beams and a plurality of connecting longitudinal beams arranged between the two load-bearing top beams; the main frame includes two parallel load-bearing bottom beams, a pull rod arranged on the load-bearing bottom beams and a connecting frame connecting the pull rods; the hanger It is arranged between the load-bearing top beam and the load-bearing bottom beam, the upper end of the suspension rod is connected to the load-bearing top beam through a vibration reduction mechanism, and the lower end of the suspension rod is connected to the load-bearing bottom beam. The vibration reduction mechanism includes a steel sleeve arranged at the top of the load-bearing top beam and a rubber block arranged in the steel sleeve, and the rubber block is provided with a through hole running through the top and bottom. The upper end of the suspension rod is provided with a load-bearing core rod, and the load-bearing core rod passes through the through hole of the rubber block. The upper end of the load-bearing core rod is provided with a locking nut, and the locking nut presses the upper baffle to the upper end of the rubber block. The principle of the utility model: a rubber block is added between the suspension rod and the load-bearing top beam, and the rubber block can absorb vibration and prevent collision, so that the noise of the suspension rod is smaller during the swinging process; the rubber block is fixed and protected by the steel sleeve.

[0005] As an improvement, the steel sleeve is cylindrical, comprising a side panel, an upper end plate arranged at the upper end of the side panel and a lower end plate arranged at the lower end of the side panel, the upper end plate being provided with an upper through hole for the load-bearing core rod to pass through, the lower end plate being provided with a lower through hole for the load-bearing core rod to pass through; the upper baffle plate is arranged in the upper through hole, the lower through hole being provided with a lower baffle plate, and the load-bearing core rod is provided with a step for supporting the lower baffle plate.

[0006] As an improvement, the load-bearing top beam is a square tube.

[0007] As an improvement, the upper end of the suspension rod is connected to the load-bearing core rod through a first cross bearing, and the lower end of the suspension rod is connected to the load-bearing bottom beam through a second cross bearing.

[0008] Compared with the prior art, the utility model has the following beneficial effects:

[0009] A rubber block is added between the boom and the load-bearing top beam. The rubber block can absorb vibration and prevent collision, making the boom quieter during the swinging process. The rubber block is fixed and protected by a steel sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the utility model.

[0011] Figure 2 This is a cross-sectional view of the boom.

[0012] Figure 3 Schematic diagram of the vibration reduction mechanism. DETAILED DESCRIPTION

[0013] The utility model will be further described below in conjunction with the accompanying drawings.

[0014] like Figures 1 to 3As shown, a screen machine suspension rod vibration reduction device comprises a fixed hanger 1 and a main frame 2 which is arranged in the hanger 1 and can swing. The hanger 1 is connected to the four corners of the main frame 2 through four suspension rods 3, so that the main frame 2 can swing in the hanger 1. The hanger 1 comprises two parallel load-bearing top beams 11, a support column 12 supported at the bottom of the load-bearing top beams 11, and a plurality of connecting longitudinal beams arranged between the two load-bearing top beams 11. The main frame 2 comprises two parallel load-bearing bottom beams 21, a pull rod 22 arranged on the load-bearing bottom beams 21, and a connecting frame connecting the pull rods 22; the load-bearing top beam 11 is perpendicular to the load-bearing bottom beam 21, the load-bearing top beam 11 is located at the top, and the load-bearing bottom beam 21 is located at the bottom, the load-bearing top beam 11 and the load-bearing bottom beam 21 are both square tubes, and the suspension rod 3 is arranged between the load-bearing top beam 11 and the load-bearing bottom beam 21. The upper end of the suspension rod 3 is connected to the load-bearing core rod 43 through the first cross bearing 5, and the lower end of the suspension rod 3 is connected to the load-bearing bottom beam 21 through the second cross bearing 6. The suspension rod 3 can swing in four directions. The upper end of the suspension rod 3 is connected to the load-bearing top beam 11 through the vibration reduction mechanism 4. The vibration reduction mechanism 4 includes a steel sleeve 41 arranged on the top of the load-bearing top beam 11 and a rubber block 42 arranged in the steel sleeve 41. The steel sleeve 41 is welded to the load-bearing top beam 11. The shape of the rubber block 42 is similar to that of the steel sleeve 41. The steel sleeve 41 is used to fix and protect the rubber block 42. The steel sleeve 41 is cylindrical and includes a side panel, an upper end plate arranged at the upper end of the side panel, and a lower end plate arranged at the lower end of the side panel. The upper end plate is provided with There is an upper through hole for the load-bearing core rod 43 to pass through, and the lower end plate is provided with a lower through hole for the load-bearing core rod 43 to pass through; the rubber block 42 is provided with a through hole running through the upper and lower parts, and the load-bearing core rod 43 passes through the through hole of the rubber block 42, and a locking nut 44 is provided at the upper end of the load-bearing core rod 43, and an upper baffle plate 45 is provided in the upper through hole, and the locking nut 44 presses the upper baffle plate 45 against the upper end of the rubber block 42, and a lower baffle plate 46 is provided in the lower through hole, and a step for supporting the lower baffle plate 46 is provided on the load-bearing core rod 43.

[0015] The principle of the utility model is as follows: a rubber block 42 is added between the suspension rod 3 and the load-bearing top beam 11, and the rubber block 42 can absorb vibration and prevent collision, so that the suspension rod 3 makes less noise during the swinging process.

Claims

1. A screen machine suspension rod vibration reduction device, comprising a hanger and a main frame arranged in the hanger, wherein the hanger is connected to the main frame through four suspension rods, and is characterized in that: The hanger includes two parallel load-bearing top beams, supporting columns supported at the bottom of the load-bearing top beams and a plurality of connecting longitudinal beams arranged between the two load-bearing top beams; the main frame includes two parallel load-bearing bottom beams, pull rods arranged on the load-bearing bottom beams and a connecting frame connecting the pull rods; the hanger is arranged between the load-bearing top beam and the load-bearing bottom beam, the upper end of the hanger is connected to the load-bearing top beam through a vibration reduction mechanism, the lower end of the hanger is connected to the load-bearing bottom beam, the vibration reduction mechanism includes a steel sleeve arranged at the top of the load-bearing top beam and a rubber block arranged in the steel sleeve, the rubber block is provided with through holes running through the top and the bottom, the upper end of the hanger is provided with a load-bearing core rod, the load-bearing core rod passes through the through holes of the rubber block, the upper end of the load-bearing core rod is provided with a locking nut, and the locking nut presses the upper baffle to the upper end of the rubber block.

2. A screen machine suspension rod vibration reduction device according to claim 1, characterized in that: The steel sleeve is cylindrical and includes a side panel, an upper end plate arranged at the upper end of the side panel and a lower end plate arranged at the lower end of the side panel. The upper end plate is provided with an upper through hole for the load-bearing core rod to pass through, and the lower end plate is provided with a lower through hole for the load-bearing core rod to pass through; the upper baffle plate is arranged in the upper through hole, and the lower through hole is provided with a lower baffle plate, and the load-bearing core rod is provided with a step for supporting the lower baffle plate.

3. A screen machine suspension rod vibration reduction device according to claim 1, characterized in that: The load-bearing top beam is a square tube.

4. A screen machine suspension rod vibration reduction device according to claim 1, characterized in that: The upper end of the suspension rod is connected to the load-bearing core rod through a first cross bearing, and the lower end of the suspension rod is connected to the load-bearing bottom beam through a second cross bearing.

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