Double-stand-column elevator convenient to maintain

Abstract

The double-stand-column elevator convenient to maintain comprises a base and two sets of stand column bodies symmetrically installed above the base, lifting tables are installed on the surfaces of the stand column bodies, and driving assemblies are installed on the surfaces of the stand column bodies. The gear and the toothed plate are matched to drive the lifting table to ascend and descend, connection driving through a chain is not needed, the situation that the chain is prone to breakage and inconvenient to overhaul and maintain is avoided, the phenomenon of car sliding after the lifting machine is powered off is avoided through the self-locking performance of the worm gear and the worm, the lifting table is supported through the supporting rod, and the lifting table is convenient to use. By oppositely pulling the two groups of connecting rods, the guide wheels roll on the surfaces of the guide rails, the movement of the lifting table is guided and limited, the lifting stability of the lifting table is further improved, the lifting table can be quickly disassembled by disassembling the connecting rods, and the convenience of overhaul and maintenance of the lifting table is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of column lifts, in particular to a double-column lift which is easy to maintain. Background Art

[0002] With the rapid development of industry, industrial intelligence and automation have become the current development trend. In the process of automated and intelligent industrial production, the utilization rate of automatic lifting equipment is also increasing. Some lifting equipment can be seen in various industrial occasions. Double-column lifts are lifting and transportation mechanisms frequently used in production workshops.

[0003] Announcement No. "CN213802710U" provides a highly balanced rail-type elevator, which belongs to the technical field of elevators. It includes a support assembly, which is composed of a support seat, a support plate, a cushion block, a first fixing bolt and a plurality of through holes. A lifting assembly is arranged on the top of the support seat, and the lifting assembly is composed of two columns, a support shaft, two slide rails, a slide seat, a lifting plate, a gear, a hydraulic cylinder and a chain; the device can play an auxiliary supporting role for the support seat by arranging a cushion block and a support plate, thereby improving the stability and balance of the support seat, and further improving the balance of the elevator;

[0004] However, the lift in the prior art also has the following defects:

[0005] Most of the elevators in the prior art raise and lower the lifting platform through chains. The chains are prone to breakage after long-term use, and the large number of chain plates on the chain makes it inconvenient to check. At the same time, the elevator is prone to slipping after power failure, which makes it unsafe and poses certain safety hazards. Utility Model Content

[0006] The purpose of the utility model is to provide a double-column lift that is easy to maintain, so as to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A double-column lift that is easy to maintain, comprising a base and two groups of column bodies symmetrically installed above the base, a lifting platform is installed on the surface of the column body, and a driving assembly is installed on the surface of the column body;

[0009] The driving assembly includes a guide rail, a gear, a tooth plate, a rotating rod and a fixed box. The surface of the lifting platform is symmetrically fixedly connected with the fixed box, and the interior of the fixed box is rotatably connected with the rotating rod. The side of the surface of the column body close to the fixed box is fixedly connected with the guide rail, and the side of the surface of the guide rail close to the gear is fixedly connected with the tooth plate, and the tooth plate and the gear are meshed and connected with each other.

[0010] Preferably, a worm wheel is fixedly connected to one end of the rotating rod surface away from the gear, a worm is meshingly connected to the surface of the worm wheel, a motor is installed on one side of the fixed box close to the worm, and the output end of the motor is connected to the worm.

[0011] Preferably, the bottom surface of the lifting platform is symmetrically fixedly connected with a support rod in a triangular structure, the surface of the support rod is rotatably connected with a support wheel, the surface of the column body is fixedly connected with a track on one side close to the support wheel, and the track is slidably connected inside the track.

[0012] Preferably, the surface of the column body is provided with an anti-slip component, and the anti-slip component includes a guide wheel, a fixing frame, a connecting rod and a fixing block. A fixing frame is provided on one side of the surface of the fixing box, the surface of the fixing frame is symmetrically connected to the guide wheel for rotation, and the guide wheel rolls on the surface of the guide rail, the surface of the fixing box is symmetrically fixedly connected to the fixing block, and a connecting rod is provided between the fixing block and the fixing frame.

[0013] Preferably, the cross section of the connecting rod is an I-shaped structure, bolt grooves are provided on the surfaces of the fixing block, the connecting rod and the fixing frame, and the connecting rod is connected to the fixing frame and the fixing block respectively through connecting bolts.

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

[0015] 1. The utility model drives the lifting platform to move up and down by the cooperation of gears and toothed plates, without the need for chain connection and driving, thus avoiding the situation that the chain is easy to break and inconvenient for maintenance. The self-locking performance of the worm gear and worm can avoid the phenomenon of the elevator slipping after power failure. The lifting platform is supported by the support rod to improve the stability of the lifting platform movement;

[0016] 2. The utility model uses two sets of connecting rods to pull each other, so that the guide wheel rolls on the surface of the guide rail, and the movement of the lifting platform is guided and limited, thereby further improving the stability of the lifting platform. By disassembling the connecting rods, the lifting platform can be quickly disassembled, thereby improving the convenience of the lifting platform inspection and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the gear and the worm gear in the utility model;

[0019] Figure 3 It is a cross-sectional view of the fixing box in the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the support wheel and the support rod in the utility model.

[0021] In the figure: 1. base; 2. column body; 3. drive assembly; 31. guide rail; 32. gear; 33. tooth plate; 34. rotating rod; 35. worm gear; 36. fixing box; 37. worm; 38. motor; 39. track; 310. support wheel; 311. support rod; 4. anti-slip assembly; 41. guide wheel; 42. fixing frame; 43. connecting rod; 44. fixing block; 5. lifting platform. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides a double-column lift that is easy to maintain, comprising a base 1 and two groups of column bodies 2 symmetrically installed above the base 1, a lifting platform 5 is installed on the surface of the column body 2, and a driving assembly 3 is installed on the surface of the column body 2;

[0024] The driving assembly 3 includes a guide rail 31, a gear 32, a tooth plate 33, a rotating rod 34 and a fixed box 36. The surface of the lifting platform 5 is symmetrically fixedly connected with the fixed box 36, and the interior of the fixed box 36 is rotatably connected with the rotating rod 34. The side of the surface of the column body 2 close to the fixed box 36 is fixedly connected with the guide rail 31, and the side of the surface of the guide rail 31 close to the gear 32 is fixedly connected with the tooth plate 33, and the tooth plate 33 and the gear 32 are meshed and connected with each other. When the column lift is in use, the rotating rod 34 is driven to rotate, and then the rotating rod 34 drives the gear 32 to roll on the surface of the tooth plate 33, thereby driving the lifting platform 5 to climb, without the need for a chain to connect and drive, thereby avoiding the situation where the chain is easy to break and inconvenient for maintenance;

[0025] A worm wheel 35 is fixedly connected to one end of the rotating rod 34 away from the gear 32, and a worm 37 is meshedly connected to the surface of the worm wheel 35. A motor 38 is installed on one side of the fixed box 36 near the worm 37, and the output end of the motor 38 is connected to the worm 37. The motor 38 can provide power for the rotation of the rotating rod 34, and the power is transmitted through the worm wheel 35 and the worm 37. The self-locking performance of the worm wheel 35 and the worm 37 can avoid the phenomenon of the elevator slipping after the power is cut off.

[0026] A triangular-structured support rod 311 is symmetrically fixedly connected to the bottom surface of the lifting platform 5, and a support wheel 310 is rotatably connected to the surface of the support rod 311. A track 39 is fixedly connected to the side of the surface of the column body 2 close to the support wheel 310, and the track 39 is slidably connected inside the track 39. When the lifting platform 5 moves, the support wheel 310 will be driven to slide inside the track 39, and the lifting platform 5 is supported by the support rod 311, thereby improving the stability of the movement of the lifting platform 5.

[0027] The two sets of gears 32 are used to drive the lifting platform 5 to move up and down through the driving component 3. However, the lifting platform 5 is not stable enough when moving, and it is not convenient to disassemble the lifting platform 5 for maintenance. Therefore, in this embodiment, an anti-slip component 4 is provided on the surface of the column body 2. The anti-slip component 4 includes a guide wheel 41, a fixing frame 42, a connecting rod 43 and a fixing block 44. A fixing frame 42 is provided on one side of the surface of the fixing box 36. The surface of the fixing frame 42 is symmetrically connected to the guide wheel 41, and the guide wheel 41 rolls on the surface of the guide rail 31. The surface of the fixing box 36 is symmetrically fixedly connected to the fixing block 44. A connecting rod 43 is provided between the fixing block 44 and the fixing frame 42. The connecting rod 43 The cross section is an I-shaped structure, and bolt grooves are provided on the surfaces of the fixing block 44, the connecting rod 43 and the fixing frame 42, and the connecting rod 43 is respectively connected to the fixing frame 42 and the fixing block 44 through connecting bolts. When the lifting platform 5 moves vertically, the fixing box 36 drives the guide wheel 41 to roll on the surface of the guide rail 31 through the connecting rod 43, and the movement of the lifting platform 5 is guided and limited by the guide wheel 41, thereby improving the lifting stability of the lifting platform 5. By removing the bolts on the surface of the connecting rod 43 and separating the guide wheel 41 from the guide rail 31, the limit of the fixing box 36 by the guide wheel 41 can be released, and the lifting platform 5 can be disassembled, thereby improving the convenience of overhaul and maintenance of the lifting platform 5;

[0028] Working principle: When the column lift is in use, the worm 37 is driven to rotate by starting the motor 38, and then the rotating rod 34 is driven to rotate by the worm wheel 35, and then the rotating rod 34 drives the gear 32 to roll on the surface of the tooth plate 33, thereby driving the lifting platform 5 to climb. The self-locking performance of the worm wheel 35 and the worm 37 can avoid the phenomenon of the lift slipping after the power is cut off, and there is no need to connect and drive through a chain, thereby avoiding the situation where the chain is easy to break and is inconvenient for maintenance; during the climbing process of the lifting platform 5, the support rod 311 will drive the support wheel 310 inside the track 39 The lifting platform 5 is supported by the support rod 311 to improve the stability of the movement of the lifting platform 5. At the same time, the two sets of connecting rods 43 are pulled against each other, and the connecting rod 43 drives the guide wheel 41 to roll on the surface of the guide rail 31 through the fixed frame 42. The movement of the lifting platform 5 is guided and limited by the guide wheel 41, and the stability of the lifting and lowering of the lifting platform 5 is further improved. By removing the bolts on the surface of the connecting rod 43 and separating the guide wheel 41 from the guide rail 31, the limitation of the guide wheel 41 on the fixed box 36 can be released, and the lifting platform 5 can be disassembled to improve the convenience of inspection and maintenance of the lifting platform 5.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-column lift that is easy to maintain, comprising a base (1) and two groups of column bodies (2) symmetrically mounted above the base (1), a lifting platform (5) being mounted on the surface of the column bodies (2), characterized in that: A driving assembly (3) is installed on the surface of the column body (2); The driving assembly (3) comprises a guide rail (31), a gear (32), a tooth plate (33), a rotating rod (34) and a fixed box (36); the surface of the lifting platform (5) is symmetrically fixedly connected with the fixed box (36); the interior of the fixed box (36) is rotatably connected with the rotating rod (34); the surface of the column body (2) is fixedly connected with the guide rail (31) on one side close to the fixed box (36); the surface of the guide rail (31) is fixedly connected with the tooth plate (33) on one side close to the gear (32); and the tooth plate (33) and the gear (32) are meshed and connected with each other.

2. A dual-column lift that is easy to maintain according to claim 1, characterized in that: A worm wheel (35) is fixedly connected to one end of the surface of the rotating rod (34) away from the gear (32), and a worm (37) is meshingly connected to the surface of the worm wheel (35). A motor (38) is installed on one side of the fixed box (36) close to the worm (37), and an output end of the motor (38) is connected to the worm (37).

3. A dual-column lift that is easy to maintain according to claim 1, characterized in that: The bottom surface of the lifting platform (5) is symmetrically and fixedly connected with a support rod (311) in a triangular structure, the surface of the support rod (311) is rotatably connected with a support wheel (310), and the surface of the column body (2) is fixedly connected with a track (39) on one side close to the support wheel (310), and the track (39) is slidably connected inside the track (39).

4. A dual-column lift that is easy to maintain according to claim 1, characterized in that: The surface of the column body (2) is provided with an anti-slip assembly (4), and the anti-slip assembly (4) comprises a guide wheel (41), a fixing frame (42), a connecting rod (43) and a fixing block (44). The fixing frame (42) is provided on one side of the surface of the fixing box (36). The surface of the fixing frame (42) is symmetrically connected to the guide wheel (41), and the guide wheel (41) rolls on the surface of the guide rail (31). The surface of the fixing box (36) is symmetrically fixedly connected to the fixing block (44), and a connecting rod (43) is provided between the fixing block (44) and the fixing frame (42).

5. A dual-column lift that is easy to maintain according to claim 4, characterized in that: The cross section of the connecting rod (43) is an I-shaped structure, and bolt grooves are provided on the surfaces of the fixing block (44), the connecting rod (43) and the fixing frame (42), and the connecting rod (43) is connected to the fixing frame (42) and the fixing block (44) respectively through connecting bolts.

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