Foreign matter preventing mechanism of double-stand-column elevator

Abstract

The utility model provides a foreign matter prevention mechanism of a double-stand-column elevator, which comprises a support, a driving rod is vertically and rotatably arranged on the support, a traction seat is slidably arranged on the driving rod through a traction structure, one side of the traction seat is slidably arranged on the surface of the support through a rail, and a locking structure is arranged at one end of the traction seat. Through the arrangement of the locking structure, the traction base can be installed on the movable frame, the support is installed on the first stand column and the second stand column through the connecting structure, when the movable frame descends, the driving rod can rotate through the traction structure, and then the driving rod drives the multiple sweeping rods to rotate synchronously through the L-shaped connecting rod; and if the foreign matter stays above the cleaning rod, the cleaning rod can also drive the foreign matter to be away from the moving frame, and therefore it is guaranteed that the moving frame can normally descend.

Description

Technical Field

[0001] The utility model relates to the technical field of double-column elevators, and particularly to a foreign object prevention mechanism for a double-column elevator. Background Technique

[0002] The double-column elevator is a lifting and transporting structure often used at the production workshop site;

[0003] Publication number "CN220283468U" provides a double-column elevator, which includes: a first column; a second column; and a moving frame connected to the first column and the second column and capable of lifting along the first column and the second column. This solution can accurately detect and report the inclination and offset faults of the double-column elevator through the setting of a verticality detection unit, facilitating the timely maintenance operation of the double-column elevator and improving the working efficiency of the double-column elevator;

[0004] However, the above solution still has the following defects:

[0005] The double-column elevator of the above solution, like a conventional elevator, occupies a certain space at its bottom. After the moving frame ascends, a large space will appear at its bottom. When the moving frame descends, it is necessary to ensure that there are no foreign objects in the bottom space to ensure the safe descent of the moving frame. These foreign objects may be small tools used by workers when repairing cars or other parts used, and it is necessary to clean these foreign objects to ensure the normal descent of the moving frame. Content of the Utility Model

[0006] The purpose of the utility model is to provide a foreign object prevention mechanism for a double-column elevator to solve the problems raised in the above background technique.

[0007] To achieve the above purpose, the utility model provides the following technical solution:

[0008] A foreign object prevention mechanism for a double-column elevator includes a bracket. A driving rod is vertically rotatably arranged on the bracket. A traction seat is slidably arranged on the driving rod through a traction structure. One side of the traction seat is slidably arranged on the surface of the bracket through a track. A locking structure is arranged at one end of the traction seat. An L-shaped connecting rod is fixedly arranged at the bottom of the driving rod. A plurality of cleaning rods are arranged in parallel on the surface of the L-shaped connecting rod. A support rod is vertically arranged between the plurality of cleaning rods. A first triangular protrusion is arranged at the bottom of the cleaning rod. A second triangular protrusion is arranged at the bottom of the L-shaped connecting rod. The first triangular protrusion is perpendicular to the surface of the second triangular protrusion. A connecting structure is arranged on the bracket.

[0009] Preferably, the traction structure includes a first chute, a second chute, a guiding chute and a semi-circular protrusion. The first chute, the second chute and the guiding chute are all arranged on the surface of the driving rod. The semi-circular protrusion is arranged on the inner wall of the traction seat, and the semi-circular protrusion is slidably arranged in the first chute.

[0010] Preferably, the first chute and the second chute are vertically symmetrically arranged on both sides of the driving rod. The guiding chute is spirally distributed on the surface of the driving rod, and both ends of the guiding chute communicate with the first chute and the second chute respectively.

[0011] Preferably, the projection of the guiding chute on the end face of the driving rod is an arc with a central angle of 180°. The cross-sections of the first chute, the second chute and the guiding chute are all semi-circular.

[0012] Preferably, the locking structure includes a bottom plate, a locking plate, a limiting frame, a threaded column and a knob. The knob is fixed to one end of the threaded column. The bottom plate is fixed to the surface of the traction seat. The limiting frame is fixed to the top of the traction seat. The locking plate is slidably arranged in the limiting frame. The bottom end of the threaded column penetrates and is threadedly connected to the surface of the locking plate, and the bottom end of the threaded column is rotatably arranged on the top of the traction seat.

[0013] Preferably, the connecting structure includes a reinforcing rod and a mounting rod. One end of the mounting rod is vertically fixed to the side surface of the bracket. An ear seat is arranged at the other end of the mounting rod. The reinforcing rod is vertically fixed between two mounting rods at different heights.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] Through the setting of the locking structure, the traction seat can be installed on the moving frame, and the bracket can be installed on the first upright post and the second upright post through the connecting structure. When the moving frame descends, the driving rod can be rotated through the traction structure, and then the driving rod can drive a plurality of cleaning rods to rotate synchronously through the L-shaped connecting rod, so that the cleaning rods can push away the nearby foreign objects. If there are foreign objects staying above the cleaning rods, the cleaning rods can also drive the foreign objects away from the moving frame, thereby ensuring that the moving frame can descend normally. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the main structure of the present utility model;

[0017] Figure 2 is a schematic diagram of the main structure of the cleaning rod of the present utility model;

[0018] Figure 3 is a schematic diagram of the main structure of the locking structure of the present utility model;

[0019] Figure 4Schematic diagram of the connection structure between the towing seat and the drive rod of the present utility model;

[0020] Figure 5 Schematic diagram of the unfolded structure on the surface of the drive rod of the present utility model.

[0021] In the figure: 1, support; 2, drive rod; 3, towing seat; 4, L-shaped connecting rod; 5, cleaning rod; 6, support rod; 7, first triangular protrusion; 8, second triangular protrusion; 9, first chute; 10, second chute; 11, guiding groove; 12, semi-circular protrusion; 13, bottom plate; 14, locking plate; 15, limiting frame; 16, threaded column; 17, knob; 18, strengthening rod; 19, mounting rod. Specific embodiments

[0022] 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 skilled in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1-5 , the present utility model provides an anti-foreign object mechanism for a double-column elevator, including a support 1, a drive rod 2 is vertically rotatably arranged on the support 1, a towing seat 3 is slidably arranged on the drive rod 2 through a towing structure, one side of the towing seat 3 is slidably arranged on the surface of the support 1 through a track, a locking structure is arranged at one end of the towing seat 3, an L-shaped connecting rod 4 is fixedly arranged at the bottom of the drive rod 2, a plurality of cleaning rods 5 are arranged in parallel on the surface of the L-shaped connecting rod 4, a support rod 6 is vertically arranged between the plurality of cleaning rods 5, a first triangular protrusion 7 is arranged at the bottom of the cleaning rod 5, a second triangular protrusion 8 is arranged at the bottom of the L-shaped connecting rod 4, the first triangular protrusion 7 is perpendicular to the surface of the second triangular protrusion 8, and a connecting structure is arranged on the support 1.

[0024] Please refer to Figure 1 and 2 , the towing seat 3 is installed on the moving frame through the locking structure, and the support 1 is fixed on the first column and the second column through the connecting structure. At this time, the downward movement of the moving frame can drive the L-shaped connecting rod 4 to rotate 180° through the towing structure, so that the L-shaped connecting rod 4 drives the first triangular protrusion 7 and the second triangular protrusion 8 to rotate 180° synchronously, so that the first triangular protrusion 7 and the second triangular protrusion 8 can push away foreign objects on the ground. For the first triangular protrusion 7, Figure 1 and Figure 2Five are provided therein. In this embodiment, the thicknesses of the five first triangular convex portions 7 can be decreased arithmetically along the square of the second triangular convex portion 8 so that the five first triangular convex portions 7 can push away foreign objects of different sizes.

[0025] The traction structure includes a first chute 9, a second chute 10, a guide chute 11 and a semi-circular protrusion 12. The first chute 9, the second chute 10 and the guide chute 11 are all arranged on the surface of the driving rod 2, and the semi-circular protrusion 12 is arranged on the inner wall of the traction seat 3. The semi-circular protrusion 12 is slidably arranged in the first chute 9. The first chute 9 and the second chute 10 are vertically symmetrically arranged on both sides of the driving rod 2. The guide chute 11 is spirally distributed on the surface of the driving rod 2, and both ends of the guide chute 11 communicate with the first chute 9 and the second chute 10 respectively. The projection of the guide chute 11 on the end surface of the driving rod 2 is an arc with a central angle of 180°. The cross-sections of the first chute 9, the second chute 10 and the guide chute 11 are all semi-circular.

[0026] Please refer to Figure 3 , 4 and 5. When the moving frame moves downward, it can drive the traction seat 3 to move synchronously through the locking structure. When the traction seat 3 moves downward, it can drive the semi-circular protrusion 12 to move downward inside the first chute 9. As the semi-circular protrusion 12 moves downward, when the semi-circular protrusion 12 enters the guide chute 11, since the guide chute 11 has a spiral downward trend, but the horizontal position of the semi-circular protrusion 12 remains unchanged during movement, so the semi-circular protrusion 12 can drive the driving rod 2 to rotate through the guide chute 11. Since the projection of the guide chute 11 on the end surface of the driving rod 2 is an arc with a central angle of 180°, the driving rod 2 rotates by 180°. At this time, the driving rod 2 can drive the cleaning rod 5 to also rotate by 180° through the L-shaped connecting rod 4. When the cleaning rod 5 rotates, it can push away the foreign objects on its path and can also drive the foreign objects on the surface of the cleaning rod 5 to move synchronously, thereby realizing the cleaning of the foreign objects. When the semi-circular protrusion 12 continues to move downward into the second chute 10, since the path of the second chute 10 is a straight line, the L-shaped connecting rod 4 will not continue to rotate at this time. When the moving frame moves upward, the semi-circular protrusion 12 can cooperate with the first chute 9, the second chute 10 and the guide chute 11 to drive the driving rod 2 to rotate reversely and reset through the above process.

[0027] The locking structure includes a bottom plate 13, a locking plate 14, a limiting frame 15, a threaded column 16 and a knob 17. The knob 17 is fixed to one end of the threaded column 16. The bottom plate 13 is fixed to the surface of the traction seat 3. The limiting frame 15 is fixed to the top of the traction seat 3. The locking plate 14 is slidably arranged in the limiting frame 15. The bottom end of the threaded column 16 penetrates and is threadedly connected to the surface of the locking plate 14, and the bottom end of the threaded column 16 is rotatably arranged on the top of the traction seat 3.

[0028] Please refer to Figure 1 and 3, by rotating the knob 17, the threaded column 16 can be driven to rotate. When the threaded column 16 rotates, it can drive the locking plate 14 to move vertically inside the limit frame 15. At this time, the distance between the locking plate 14 and the bottom plate 13 can be changed, so that the locking plate 14 and the bottom plate 13 can clamp on the surface of the moving frame. Thus, when the moving frame moves vertically, it can drive the traction seat 3 to move synchronously through the locking plate 14 and the bottom plate 13, so as to realize the driving of the driving rod 2 by the traction seat 3.

[0029] The connecting structure includes a reinforcing rod 18 and a mounting rod 19. One end of the mounting rod 19 is vertically fixed to the side surface of the bracket 1, and an ear seat is provided at the other end of the mounting rod 19. The reinforcing rod 18 is vertically fixed between two mounting rods 19 at different heights.

[0030] Please refer to Figure 1 , through the mounting rod 19 and the ear seat at one end thereof, the bracket 1 can be mounted on the surfaces of the first column and the second column. At this time, the first column (or the second column), the two mounting rods 19 and the bracket 1 can form a square frame. Since the reinforcing rod 18 is arranged parallel to the first column and the second column nearby, it can increase the connection strength between the mounting rod 19 and the first column (or the second column). Therefore, the bracket 1 can be stably fixed on the first column and the second column.

[0031] Although the embodiments of the present invention have been shown and described, for those skilled 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. A foreign object prevention mechanism for a double-column elevator, comprising a bracket (1), characterized in that: A driving rod (2) is vertically rotatably arranged on the bracket (1). A traction seat (3) is slidably arranged on the driving rod (2) through a traction structure. One side of the traction seat (3) is slidably arranged on the surface of the bracket (1) through a track. A locking structure is arranged at one end of the traction seat (3). A bottom of the driving rod (2) is fixedly provided with an L-shaped connecting rod (4). A plurality of cleaning rods (5) are arranged in parallel on the surface of the L-shaped connecting rod (4). A support rod (6) is vertically arranged between the plurality of cleaning rods (5). A first triangular convex part (7) is arranged at the bottom of the cleaning rod (5). A second triangular convex part (8) is arranged at the bottom of the L-shaped connecting rod (4). The first triangular convex part (7) is perpendicular to the surface of the second triangular convex part (8). A connecting structure is arranged on the bracket (1).

2. The anti-foreign object mechanism of a double-column elevator according to claim 1, characterized in that: The traction structure includes a first chute (9), a second chute (10), a guiding chute (11) and a semi-circular protrusion (12). The first chute (9), the second chute (10) and the guiding chute (11) are all arranged on the surface of the driving rod (2). The semi-circular protrusion (12) is arranged on the inner wall of the traction seat (3). The semi-circular protrusion (12) is slidably arranged in the first chute (9).

3. The anti-foreign object mechanism of a double-column elevator according to claim 2, characterized in that: The first chute (9) and the second chute (10) are vertically symmetrically arranged on both sides of the driving rod (2). The guiding chute (11) is distributed in a spiral structure on the surface of the driving rod (2), and two ends of the guiding chute (11) are respectively communicated with the first chute (9) and the second chute (10).

4. The anti-foreign object mechanism of a double-column elevator according to claim 3, characterized in that: A projection of the guiding chute (11) on an end face of the driving rod (2) is an arc with a central angle of 180°. Cross sections of the first chute (9), the second chute (10) and the guiding chute (11) are all semi-circular.

5. The anti-foreign object mechanism of a double-column elevator according to claim 1, characterized in that: The locking structure includes a bottom plate (13), a locking plate (14), a limiting frame (15), a threaded column (16) and a knob (17). The knob (17) is fixed at one end of the threaded column (16). The bottom plate (13) is fixed on the surface of the traction seat (3). The limiting frame (15) is fixed on the top of the traction seat (3). The locking plate (14) is slidably arranged in the limiting frame (15). The bottom end of the threaded column (16) penetrates and is threadedly connected to the surface of the locking plate (14), and the bottom end of the threaded column (16) is rotatably arranged on the top of the traction seat (3).

6. The foreign object prevention mechanism of a double-column elevator according to claim 1, characterized in that: The connecting structure includes a reinforcing rod (18) and a mounting rod (19). One end of the mounting rod (19) is vertically fixed on a side surface of the bracket (1). The other end of the mounting rod (19) is provided with an ear seat. The reinforcing rod (18) is vertically fixed between two mounting rods (19) at different heights.

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