Guide rail mechanism of hydraulic lifting platform

Abstract

The utility model relates to the technical field of hoisting equipment, in particular to a guide rail mechanism of a hydraulic lifting platform, which comprises an H-shaped steel frame guide rail and a movable frame sleeved on the outer side of the H-shaped steel frame guide rail, and the movable frame comprises mounting plates arranged on the left side and the right side of the H-shaped steel frame guide rail and connecting plates arranged on the front side and the rear side of the H-shaped steel frame guide rail. The two mounting plates and the two connecting plates are fixedly connected in sequence, first guiding devices in contact fit with the side wall of an H-shaped steel frame guide rail are arranged in the middles of the inner sides of the connecting plates, and second guiding devices in contact fit with an inner groove of the H-shaped steel frame guide rail are movably arranged on the front side and the rear side between the two mounting plates. Thrust devices matched with the second guide devices are arranged on the left side and the right side of the inner side of the connecting plate correspondingly. The vibration in the lifting process is reduced, the service life is prolonged, and the use risk is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting equipment, in particular to a guide rail mechanism of a hydraulic lifting platform. Background Art

[0002] The hydraulic lifting platform is a multifunctional lifting and loading and unloading mechanical equipment. The hydraulic lifting platform is a commonly used lifting machinery for vertically transporting people or objects, and is often used for vertical transportation in logistics systems such as factories and automatic warehouses. The existing hydraulic lifting platform is usually connected to the lifting platform through multiple guide rail mechanisms on the upper part of the base, and the lifting platform is driven by a hydraulic cylinder to rise or fall straight along the multiple guide rail mechanisms. The guide rail mechanism generally uses an H-shaped steel frame as a guide rail, and then the lifting platform is lifted and lowered by the cooperation of the roller and the guide rail. With long-term lifting operations, the guide rail is prone to wear, and a gap is generated between the roller and the guide rail, resulting in vibration during the lifting process, affecting the service life of the equipment and posing risks. Therefore, it is urgent to set up a guide rail mechanism for a hydraulic lifting platform. Utility Model Content

[0003] The purpose of the utility model is to provide a guide rail mechanism for a hydraulic lifting platform.

[0004] A guide rail mechanism of a hydraulic lifting platform comprises an H-shaped steel frame guide rail and a movable frame sleeved on the outside of the H-shaped steel frame guide rail, the movable frame comprises mounting plates arranged on the left and right sides of the H-shaped steel frame guide rail and connecting plates arranged on the front and rear sides of the H-shaped steel frame guide rail, the two mounting plates and the two connecting plates are fixedly connected in sequence, a first guide device contacting and cooperating with the side wall of the H-shaped steel frame guide rail is arranged at the middle part of the inner side of the connecting plate, a second guide device contacting and cooperating with the inner groove of the H-shaped steel frame guide rail is movably arranged on the front and rear sides between the two mounting plates, and a thrust device cooperating with the second guide device is arranged on the left and right sides of the inner side of the connecting plate.

[0005] Furthermore, the second guide device includes a second guide roller, and a second guide roller shaft is fixedly arranged at the center position of the left and right sides of the second guide roller. A long slide groove is opened on the mounting plate, and the second guide roller shaft is movably arranged in the long slide groove.

[0006] Furthermore, the thrust device includes a thrust rod, one end of which is fixedly connected to the connecting plate, and the other end of the thrust rod is fixedly provided with a thrust bracket, and the thrust bracket is rotatably provided with two thrust rollers on a side away from the thrust rod, and the two thrust rollers are symmetrically arranged on the upper and lower sides of the second guide roller shaft and are in contact with and cooperate with it.

[0007] Furthermore, the first guide device includes a first guide roller bracket, a first guide roller is rotatably provided on a side of the first guide roller bracket close to the H-shaped steel frame guide rail through a first guide roller shaft, a threaded rod is fixedly provided on a side of the first guide roller bracket away from the H-shaped steel frame guide rail, the threaded rod passes through a mounting plate and is slidably connected thereto, a shock-absorbing spring is provided on the mounting plate and the first guide roller bracket, the shock-absorbing spring is sleeved on the outside of the threaded rod, and an adjusting nut is threadedly connected to the threaded rod on the outer side of the mounting plate.

[0008] In summary, the utility model has the following beneficial effects:

[0009] The two first guide devices of the utility model are respectively arranged on the left and right sides of the H-shaped steel frame guide rail, and always keep in contact with the left and right sides of the H-shaped steel frame guide rail. The two second guide devices are respectively arranged in the inner grooves on the front and rear sides of the H-shaped steel frame guide rail, and the second guide devices are always kept in contact with the front and rear sides of the H-shaped steel frame guide rail through the thrust device. When the H-shaped steel frame guide rail is worn, the two first guide devices and the two second guide devices also always keep in contact with each other, which reduces the vibration during the lifting process, prolongs the service life, and reduces the risk of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The utility model is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0011] Figure 1 This is a front view of a guide rail mechanism of a hydraulic lifting platform of the utility model;

[0012] Figure 2 It is a top view of a guide rail mechanism of a hydraulic lifting platform of the utility model;

[0013] Figure 3 It is a side view of a guide rail mechanism of a hydraulic lifting platform of the utility model;

[0014] Figure 4 It is a structural schematic diagram of the thrust device of the utility model.

[0015] In the figure: 1 H-shaped steel frame guide rail, 2 mounting plate, 3 first guide device, 31 first guide roller, 32 first guide roller bracket, 33 first guide roller rotating shaft, 34 threaded rod, 35 adjusting nut, 36 shock-absorbing spring, 4 second guide device, 41 second guide roller, 42 second guide roller rotating shaft, 43 long strip slide, 5 thrust device, 51 thrust rod, 52 thrust bracket, 53 thrust roller, 6 connecting plate. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0017] The following is combined with Figure 1-4 The utility model is further described as follows:

[0018] A guide rail mechanism of a hydraulic lifting platform comprises an H-shaped steel frame guide rail 1 and a movable frame sleeved on the outside of the H-shaped steel frame guide rail 1, the movable frame comprises mounting plates 2 arranged on the left and right sides of the H-shaped steel frame guide rail 1 and connecting plates 6 arranged on the front and rear sides of the H-shaped steel frame guide rail 1, the two mounting plates 2 and the two connecting plates 6 are fixedly connected in sequence, a first guide device 3 contacting and cooperating with the side wall of the H-shaped steel frame guide rail 1 is arranged in the middle of the inner side of the connecting plate 6, a second guide device 4 contacting and cooperating with the inner groove of the H-shaped steel frame guide rail 1 is movably arranged on the front and rear sides between the two mounting plates 2, and a thrust device 5 cooperating with the second guide device 4 is arranged on the left and right sides of the inner side of the connecting plate 6.

[0019] In this embodiment, the two first guide devices 3 are respectively arranged on the left and right sides of the H-shaped steel frame guide rail 1, and always keep in contact with the left and right sides of the H-shaped steel frame guide rail 1. The two second guide devices 4 are respectively arranged in the inner grooves on the front and rear sides of the H-shaped steel frame guide rail 1, and the second guide devices 4 are always kept in contact with the front and rear sides of the H-shaped steel frame guide rail 1 through the thrust device 5. When the H-shaped steel frame guide rail 1 is worn, the two first guide devices 3 and the two second guide devices 4 also always keep in contact, which reduces the vibration during the lifting process, prolongs the service life, and reduces the risk of use.

[0020] The first guide device 3 includes a first guide roller bracket 32, and a first guide roller 31 is rotatably provided on the side of the first guide roller bracket 32 ​​close to the H-shaped steel frame guide rail 1 through a first guide roller shaft 33. A threaded rod 34 is fixedly provided on the side of the first guide roller bracket 32 ​​away from the H-shaped steel frame guide rail 1. The threaded rod 34 penetrates the mounting plate 2 and is slidably connected thereto. A shock-absorbing spring 36 is provided on the mounting plate 2 and the first guide roller bracket 32. The shock-absorbing spring 36 is sleeved on the outside of the threaded rod 34, and an adjusting nut 35 is threadedly connected to the threaded rod 34 on the outer side of the mounting plate 2.

[0021] In this embodiment, when the H-shaped steel frame guide rail 1 is worn and causes vibration during the lifting process, the two shock-absorbing springs 36 arranged on the left and right sides of the H-shaped steel frame guide rail 1 ensure that the two first guide rollers 31 always maintain contact and cooperation with the left and right sides of the H-shaped steel frame guide rail 1 through compression and relaxation, thereby ensuring a smooth lifting process.

[0022] The second guide device 4 includes a second guide roller 41 , and second guide roller shafts 42 are fixedly arranged at the center positions of the left and right sides of the second guide roller 41 . A long strip slide groove 43 is opened on the mounting plate 2 , and the second guide roller shaft 42 is movably arranged in the long strip slide groove 43 .

[0023] The thrust device 5 includes a thrust rod 51, one end of which is fixedly connected to the connecting plate 6, and the other end of the thrust rod 51 is fixedly provided with a thrust bracket 52. The thrust bracket 52 is rotatably provided with two thrust rollers 53 on the side away from the thrust rod 51. The two thrust rollers 53 are symmetrically arranged on the upper and lower sides of the second guide roller shaft 42 and are in contact with and cooperate with it.

[0024] In this embodiment, when the H-shaped steel frame guide rail 1 is worn and causes vibration during the lifting process, the thrust rod 51 ensures that the two thrust rollers 53 are always matched with the second guide roller shaft 42, ensuring that the second guide roller 41 is always in contact with the front and rear sides of the H-shaped steel frame guide rail 1, ensuring a smooth lifting process.

[0025] In summary, the present invention is not limited to the above specific embodiments. Those skilled in the art may make several changes and modifications without departing from the spirit and scope of the present invention. The scope of protection of the present invention shall be subject to the claims of the present invention.

[0026] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent.

[0027] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

Claims

1. A guide rail mechanism for a hydraulic lifting platform, characterized in that: The invention comprises an H-shaped steel frame guide rail (1) and a movable frame sleeved on the outside of the H-shaped steel frame guide rail (1), wherein the movable frame comprises mounting plates (2) arranged on the left and right sides of the H-shaped steel frame guide rail (1) and connecting plates (6) arranged on the front and rear sides of the H-shaped steel frame guide rail (1), wherein the two mounting plates (2) and the two connecting plates (6) are fixedly connected in sequence, wherein a first guide device (3) contacting and cooperating with the side wall of the H-shaped steel frame guide rail (1) is arranged in the middle of the inner side of the connecting plate (6), and a second guide device (4) contacting and cooperating with the inner groove of the H-shaped steel frame guide rail (1) is movably arranged on the front and rear sides between the two mounting plates (2), and a thrust device (5) cooperating with the second guide device (4) is arranged on the left and right sides of the inner side of the connecting plate (6).

2. A guide rail mechanism for a hydraulic lifting platform as claimed in claim 1, characterized in that: The second guide device (4) comprises a second guide roller (41), and second guide roller rotating shafts (42) are fixedly arranged at the center positions of the left and right sides of the second guide roller (41). The mounting plate (2) is provided with a long strip slide groove (43), and the second guide roller rotating shaft (42) is movably arranged in the long strip slide groove (43).

3. A guide rail mechanism for a hydraulic lifting platform as claimed in claim 2, characterized in that: The thrust device (5) comprises a thrust rod (51), one end of which is fixedly connected to a connecting plate (6), and the other end of which is fixedly provided with a thrust bracket (52), and the thrust bracket (52) is rotatably provided with two thrust rollers (53) on a side away from the thrust rod (51), and the two thrust rollers (53) are symmetrically arranged on the upper and lower sides of a second guide roller shaft (42) and are in contact with and cooperate with the second guide roller shaft.

4. The guide rail mechanism of a hydraulic lifting platform according to claim 1, characterized in that: The first guide device (3) comprises a first guide roller bracket (32), a first guide roller (31) being rotatably arranged on a side of the first guide roller bracket (32) close to the H-shaped steel frame guide rail (1) via a first guide roller rotating shaft (33), a threaded rod (34) being fixedly arranged on a side of the first guide roller bracket (32) away from the H-shaped steel frame guide rail (1), the threaded rod (34) penetrating the mounting plate (2) and being slidably connected thereto, a shock absorbing spring (36) being arranged between the mounting plate (2) and the first guide roller bracket (32), the shock absorbing spring (36) being sleeved on the outside of the threaded rod (34), and an adjusting nut (35) being threadedly connected to the threaded rod (34) on the outside of the mounting plate (2).

Images