Vibrating screen elevator for asphalt station

Abstract

The utility model discloses an asphalt station vibrating screen elevator which comprises a stand column and a rotating shaft, and the rotating shaft is rotationally arranged at the bottom end of an inner cavity of the stand column through a bearing. The first supporting plate is fixedly arranged at the top end of the rotating shaft; the cross beam track is fixedly arranged at the bottom end of the first supporting plate; the electric hoist is arranged on one side of the bottom end of the cross beam track; the rotation limiting mechanism is arranged on the outer wall of the stand column. The supporting mechanism is arranged between the cross beam track and the stand column. According to the vibrating screen elevator for the asphalt station, the rotating shaft can be controlled to drive the cross beam track to rotate through the rotation limiting mechanism, so that the electric hoist drives the vibrating screen to rotate, the vibrating screen is driven to be lifted through the electric hoist, and the vibrating screen is conveniently moved; therefore, the control rotating shaft is prevented from driving the cross beam track to excessively rotate to collide and damage with foreign objects, and the use safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting equipment, in particular to a vibrating screen elevator for an asphalt station. Background Art

[0002] The vibrating screen of the asphalt station in Qingtuo yard is often blocked or damaged. The weight of the vibrating screen mesh is between 200 kg and 1 ton. Each time when cleaning, overhauling and replacing the screen mesh, multiple people are needed to lift it up or a crane is rented. The maintenance cost is relatively high, it is time-consuming and laborious, and there are great potential safety risks. Content of the Utility Model

[0003] The purpose of the utility model is to provide a vibrating screen elevator for an asphalt station, so as to solve the problems in the prior art that multiple people are needed to lift it up or a crane is rented each time when cleaning, overhauling and replacing the screen mesh, the maintenance cost is relatively high, it is time-consuming and laborious, and there are great potential safety risks.

[0004] To achieve the above purpose, the utility model provides the following technical solution: a vibrating screen elevator for an asphalt station, comprising:

[0005] A column;

[0006] A rotating shaft, rotatably arranged at the bottom end of the inner cavity of the column through a bearing;

[0007] A first support plate, fixedly arranged at the top end of the rotating shaft;

[0008] A crossbeam track, fixedly arranged at the bottom end of the first support plate;

[0009] An electric hoist, arranged at one side of the bottom end of the crossbeam track;

[0010] A rotation limiting mechanism, arranged on the outer wall of the column;

[0011] A support mechanism, arranged between the crossbeam track and the column.

[0012] Preferably, the rotation limiting mechanism comprises: a shell, fixedly arranged at the top end of one side of the outer wall of the column, and the shell is communicated with the inner cavity of the column; a servo motor is fixedly arranged at the bottom end of the shell; the output end of the servo motor extends into the inner cavity of the shell and is key-connected with a first gear; a second gear is fixedly arranged on the outer wall of the rotating shaft, and the second gear meshes with the outer wall of the first gear.

[0013] Preferably, the rotation limiting mechanism further includes: a cylindrical barrel fixedly arranged at the bottom end of the outer wall of the column, and the cylindrical barrel is communicated with the inner cavity of the column; a support column fixedly arranged on one side of the rotating shaft; the support column extends into the inner cavity of the cylindrical barrel and is fixedly provided with a swing column, an arc-shaped hole is formed at the top end of the cylindrical barrel, and the swing column extends out of the inner cavity of the arc-shaped hole; a plurality of jacks are formed in the circumferential direction at the bottom end of the outer wall of the column, and two of the jacks are inserted with limit plates; a cylindrical ring is fixedly arranged on the inner wall of the column; a plurality of screw holes are formed in the circumferential direction on the outer wall of the cylindrical ring, and the positions of the screw holes correspond to those of the jacks, a bolt is inserted into the outer side of the limit plate, and one end of the bolt is screwed with the screw hole.

[0014] Preferably, the limit plate is located above the cylindrical barrel, and the limit plate and the swing column are on the same circumferential line.

[0015] Preferably, the support mechanism includes: a support seat rotatably arranged on the outer wall of the column through a bearing, and the cross beam track is fixedly connected with the support seat through a reinforcing rib; a second support plate is fixedly arranged on one side of the support seat; a vertical rod is fixedly arranged at the top end of the first support plate; a support wheel is rotatably arranged at the top end of the vertical rod; one end of a steel wire rope is fixedly arranged on one side of the top end of the cross beam track, and the other end of the steel wire rope is fixedly connected with one side of the top end of the second support plate.

[0016] Preferably, the support mechanism further includes: a connecting rod fixedly arranged on one side of the bottom end of the second support plate; a cylinder body fixedly arranged at the bottom end of the connecting rod; a counterweight block is placed in the inner cavity of the cylinder body.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows: for the asphalt plant vibrating screen hoist, by arranging a rotation limiting mechanism, the rotation of the rotating shaft driving the cross beam track can be controlled, so that the electric hoist drives the vibrating screen to rotate, and the electric hoist drives the vibrating screen to lift, which is convenient for moving the vibrating screen. By arranging a limit plate to limit the swing column, it can avoid excessive rotation of the rotating shaft driving the cross beam track and collision damage with external objects, thereby improving the use safety. By arranging a support mechanism, the support strength of the cross beam track is improved, and the configuration of the configuration block in the cylinder body can be adjusted according to the lifting weight, so as to avoid the column from tilting due to uneven force, reduce potential safety hazards, and save time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural view of the present utility model;

[0019] Figure 2 is the present utility model Figure 1 the enlarged view at A in;

[0020] Figure 3 is the top view cross-sectional view of the shell of the present utility model;

[0021] Figure 4This is a top-down cross-sectional view of the column of the present utility model;

[0022] Figure 5 This is a structural schematic diagram of the cylindrical ring of the present utility model.

[0023] In the figure: 1, column; 2, rotating shaft; 3, first support plate; 4, crossbeam track; 5, electric hoist; 6, rotation limiting mechanism; 61, housing; 62, servo motor; 63, first gear; 64, second gear; 65, cylindrical barrel; 66, support column; 67, pendulum column; 68, arc-shaped hole; 69, limiting plate; 610, jack; 611, cylindrical ring; 612, screw hole; 613, bolt; 7, support mechanism; 71, support base; 72, second support plate; 73, vertical rod; 74, support wheel; 75, steel wire rope; 76, connecting rod; 77, cylinder; 78, counterweight. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Please refer to Figures 1-5 , the present utility model provides a technical solution: an asphalt plant vibrating screen elevator, comprising: a column 1, a rotating shaft 2, a first support plate 3, a crossbeam track 4, an electric hoist 5, a rotation limiting mechanism 6 and a support mechanism 7;

[0026] The rotating shaft 2 is rotatably arranged at the bottom end of the inner cavity of the column 1 through a bearing, the first support plate 3 is fixedly arranged at the top end of the rotating shaft 2, the crossbeam track 4 is fixedly arranged at the bottom end of the first support plate 3, the electric hoist 5 is arranged at one side of the bottom end of the crossbeam track 4, the rotation limiting mechanism 6 is arranged on the outer wall of the column 1, and the support mechanism 7 is arranged between the crossbeam track 4 and the column 1.

[0027] As a preferred solution, further, the rotation limiting mechanism 6 includes: a housing 61, a servo motor 62, a first gear 63, a second gear 64, a cylindrical barrel 65, a support column 66, a pendulum column 67, an arc-shaped hole 68, a limiting plate 69, a jack 610, a cylindrical ring 611, a screw hole 612 and a bolt 613;

[0028] In order to drive the rotation of the rotating shaft 2, the housing 61 is fixedly arranged at the top end on one side of the outer wall of the column 1, and the housing 61 communicates with the inner cavity of the column 1. The servo motor 62 is fixedly arranged at the bottom end of the housing 61. The output end of the servo motor 62 extends into the inner cavity of the housing 61 and is key-connected with a first gear 63. The second gear 64 is fixedly arranged on the outer wall of the rotating shaft 2, and the outer wall of the second gear 64 meshes with the outer wall of the first gear 63. The servo motor 62 can drive the first gear 63 to rotate, so that the first gear 63 drives the second gear 64 to rotate.

[0029] In order to limit the rotating shaft 2, the cylindrical barrel 65 is fixedly arranged at the bottom end of the outer wall of the column 1, and the cylindrical barrel 65 communicates with the inner cavity of the column 1. The support column 66 is fixedly arranged on one side of the rotating shaft 2. The support column 66 extends into the inner cavity of the cylindrical barrel 65 and is fixedly provided with a swing column 67. An arc-shaped hole 68 is opened at the top end of the cylindrical barrel 65, and the swing column 67 extends out of the inner cavity of the arc-shaped hole 68. A plurality of jacks 610 are opened in the circumferential direction at the bottom end of the outer wall of the column 1. The inner cavities of two of the jacks 610 are inserted with a limiting plate 69. A cylindrical ring 611 is fixedly arranged on the inner wall of the column 1. A plurality of screw holes 612 are opened in the circumferential direction on the outer wall of the cylindrical ring 611, and the positions of the screw holes 612 correspond to those of the jacks 610. The bolts 613 are inserted into the outside of the limiting plate 69, and one end of the bolt 613 is screwed with the screw hole 612. The limiting plate 69 is fixed in the jacks 610 at different positions through the cooperation of the bolt 613 and the screw hole 612.

[0030] As a preferred solution, further, the limiting plate 69 is located above the cylindrical barrel 65, and the limiting plate 69 and the swing column 67 are located on the same circumferential line, so that the swing column 67 can contact the limiting plate 69 after rotation.

[0031] As a preferred solution, further, the support mechanism 7 includes: a support base 71, a second support plate 72, a vertical rod 73, a support wheel 74, a steel wire rope 75, a connecting rod 76, a cylinder 77 and a counterweight 78;

[0032] In order to improve the support strength of the crossbeam track 4, the support base 71 is rotatably arranged on the outer wall of the column 1 through a bearing, and the crossbeam track 4 is fixedly connected with the support base 71 through a reinforcing rib. The second support plate 72 is fixedly arranged on one side of the support base 71. The vertical rod 73 is fixedly arranged at the top end of the first support plate 3. The support wheel 74 is rotatably arranged at the top end of the vertical rod 73. One end of the steel wire rope 75 is fixedly arranged on one side of the top end of the crossbeam track 4, and the other end of the steel wire rope 75 is fixedly connected with one side of the top end of the second support plate 72.

[0033] To improve the stress strength of the column 1, the connecting rod 76 is fixedly arranged on one side of the bottom end of the second support plate 72, the cylinder body 77 is fixedly arranged at the bottom end of the connecting rod 76, the counterweight 78 is placed in the inner cavity of the cylinder body 77, and the counterweight of the counterweight 78 in the cylinder body 77 can be adjusted according to the weight of the vibrating screen.

[0034] The detailed connection means are well-known techniques in the art. The following mainly introduces the working principle and process, and the specific work is as follows.

[0035] Step 1: Before driving the electric hoist 5 to rotate, first limit the swing angle of the crossbeam track 4. Rotate the bolt 613 to separate the bolt 613 from the screw hole 612, thereby releasing the fixation of the limit plate 69, and take out the limit plate 69 from the jack 610. Fix the limit plate 69 in the jacks 610 at different positions through the cooperation of the bolt 613 and the screw hole 612.

[0036] Step 2: Start the servo motor 62. The servo motor 62 can drive the first gear 63 to rotate, so that the first gear 63 drives the second gear 64 to rotate, so that the second gear 64 drives the rotating shaft 2 to rotate, so that the rotating shaft 2 drives the first support plate 3 and the crossbeam track 4 to rotate, so that the electric hoist 5 drives the vibrating screen to move. When the rotating shaft 2 rotates, the support column 66 can drive the swing column 67 to rotate. When the swing column 67 contacts the limit plate 69, it can prevent the rotating shaft 2 from continuing to rotate, thereby limiting the electric hoist 5 and avoiding excessive rotation of the rotating shaft 2 driving the crossbeam track 4 to collide with external objects and cause damage, so as to improve the use safety.

[0037] Step 3: When lifting the vibrating screen, pull and support the crossbeam track 4 under the pull of the steel rope to improve the support strength of the crossbeam track 4. According to the weight of the lifted vibrating screen, adjust the counterweight 78 in the cylinder body 77 to avoid uneven stress on the column 1 and cause inclination, reduce potential safety hazards, set to lift and move the vibrating screen, greatly improving the work efficiency during the overhaul and replacement of the screen mesh, saving labor and construction costs, and being conducive to wide promotion.

[0038] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An asphalt plant vibrating screen elevator, characterized in that, Comprising: A vertical column (1); A rotating shaft (2), rotatably arranged at the bottom end of the inner cavity of the vertical column (1) through a bearing; A first support plate (3), fixedly arranged at the top end of the rotating shaft (2); A crossbeam track (4), fixedly arranged at the bottom end of the first support plate (3); An electric hoist (5), arranged at one side of the bottom end of the crossbeam track (4); A rotation limiting mechanism (6), arranged on the outer wall of the vertical column (1); A support mechanism (7), arranged between the crossbeam track (4) and the vertical column (1).

2. The vibrating screen elevator of an asphalt plant according to claim 1, wherein: The rotation limiting mechanism (6) comprises: A housing (61), fixedly arranged at the top end of one side of the outer wall of the vertical column (1), and the housing (61) communicates with the inner cavity of the vertical column (1); A servo motor (62), fixedly arranged at the bottom end of the housing (61); A first gear (63), the output end of the servo motor (62) extends into the inner cavity of the housing (61) and is key-connected with a first gear (63); A second gear (64), fixedly arranged on the outer wall of the rotating shaft (2), and the second gear (64) meshes with the outer wall of the first gear (63).

3. The vibrating screen elevator of an asphalt plant according to claim 2, characterized in that: The rotation limiting mechanism (6) further comprises: A cylindrical barrel (65), fixedly arranged at the bottom end of the outer wall of the vertical column (1), and the cylindrical barrel (65) communicates with the inner cavity of the vertical column (1); A support column (66), fixedly arranged on one side of the rotating shaft (2); A swinging column (67), the support column (66) extends into the inner cavity of the cylindrical barrel (65) and is fixedly provided with a swinging column (67), an arc-shaped hole (68) is formed at the top end of the cylindrical barrel (65), and the swinging column (67) extends out of the inner cavity of the arc-shaped hole (68); A limiting plate (69), a plurality of jacks (610) are circumferentially formed on the outer wall of the bottom end of the vertical column (1), and the limiting plate (69) is inserted into the inner cavities of two of the jacks (610); A cylindrical ring (611), fixedly arranged on the inner wall of the vertical column (1); A bolt (613), a plurality of screw holes (612) are circumferentially formed on the outer wall of the cylindrical ring (611), and the positions of the screw holes (612) correspond to those of the jacks (610), the bolt (613) is inserted into the outside of the limiting plate (69), and one end of the bolt (613) is screwed with the screw hole (612).

4. The vibrating screen elevator of an asphalt plant according to claim 3, wherein: The limiting plate (69) is located above the cylindrical barrel (65), and the limiting plate (69) and the swinging column (67) are located on the same circumferential line.

5. The vibrating screen elevator of an asphalt plant according to claim 1, characterized in that: The support mechanism (7) comprises: A support base (71), rotatably arranged on the outer wall of the vertical column (1) through a bearing, and the crossbeam track (4) is fixedly connected with the support base (71) through a reinforcing rib; A second support plate (72), fixedly arranged on one side of the support base (71); A vertical rod (73), fixedly arranged at the top end of the first support plate (3); A support wheel (74), rotatably arranged at the top end of the vertical rod (73); Steel rope (75), one end of the steel rope (75) is fixedly arranged on one side of the top end of the crossbeam track (4), and the other end of the steel rope (75) is fixedly connected with one side of the top end of the second support plate (72).

6. The vibrating screen elevator of an asphalt plant according to claim 5, characterized in that: The support mechanism (7) further includes: Connecting rod (76), fixedly arranged on one side of the bottom end of the second support plate (72); Cylinder body (77), fixedly arranged at the bottom end of the connecting rod (76); Counterweight (78), placed in the inner cavity of the cylinder body (77).

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