An elevating platform

Abstract

This application provides a lifting platform, comprising: a base, a support, a drive mechanism, a load mounting component, a counterweight mechanism, and a transmission mechanism. The support is connected to the base and includes a first side and a second side arranged opposite to each other along a first direction, which is perpendicular to the direction of gravity. The drive mechanism is mounted on the support. The load mounting component is driven by the drive mechanism and is located on the first side of the support, serving to bear a load. The drive mechanism drives the load mounting component to move the load relative to the base upwards or downwards along the direction of gravity. The counterweight mechanism is located on the second side and is used to configure a counterweight block adapted to the load. The transmission mechanism is driven by both the counterweight mechanism and the load mounting component, and is used to convert the gravity of the counterweight block into a damping force that hinders the descent of the load mounting component, thereby effectively improving the safety performance of the lifting platform.

Description

Technical Field

[0001] This application belongs to the field of workpiece lifting technology, and more specifically, relates to a lifting platform. Background Technology

[0002] Thanks to the rapid development of automated manufacturing, the production capacity and efficiency of various manufacturing industries have made a qualitative leap. However, production safety remains a significant concern. In the manufacturing process, the production or testing of certain workpieces needs to be completed at a specified height above the ground. To improve production efficiency and accuracy, lifting platforms have been invented to provide a basis for the lifting and lowering of workpieces.

[0003] However, existing lifting platforms still have unreasonable structural designs, resulting in poor safety performance. Utility Model Content

[0004] This application provides a lifting platform that can effectively improve the safety performance of the lifting platform.

[0005] The technical solution adopted in this application is as follows: a lifting platform is provided, comprising: a base, a support, a drive mechanism, a load mounting component, a counterweight mechanism, and a transmission mechanism. The support is connected to the base and includes a first side and a second side arranged opposite to each other along a first direction, the first direction being perpendicular to the direction of gravity; the drive mechanism is disposed on the support; the load mounting component is drivenly connected to the drive mechanism and is disposed on the first side of the support for bearing a load, and the drive mechanism is used to drive the load mounting component to drive the load to rise or fall relative to the base along the direction of gravity; the counterweight mechanism is disposed on the second side and is used to configure a counterweight block adapted to the load; the transmission mechanism is drivenly connected to the counterweight mechanism and the load mounting component respectively, and is used to convert the gravity of the counterweight block into a damping force that hinders the descent of the load mounting component.

[0006] In some embodiments, along the first direction, the drive mechanism is disposed on the first side and located between the load mounting member and the bracket, and the transmission mechanism is disposed between the counterweight mechanism and the load mounting member.

[0007] In some embodiments, the drive mechanism includes a linear motor mechanism, which includes a linear motor stator and a linear motor mover. The linear motor stator is fixed relative to the bracket, and the linear motor mover is slidably connected relative to the bracket. The load mounting component is connected to the linear motor mover, and the linear motor mover is used to drive the load to rise or fall relative to the base based on the electromagnetic force of the linear motor stator.

[0008] In some embodiments, the linear motor mechanism further includes a first guide assembly connected to one of the load mount and the linear motor mover, for guiding the load mount to move in the direction of gravity.

[0009] In some embodiments, the first guide assembly includes a first guide rail and a first slider slidably connected to the first guide rail. The first guide rail is fixed relative to the bracket, and the first slider is configured to slide relative to the first guide rail in the direction of gravity. One of the load mounting component and the linear motor actuator is connected to the first slider.

[0010] In some embodiments, the linear motor mechanism further includes: a connecting base, a linear motor mover detachably connected to the connecting base, a load mounting component detachably connected to the connecting base, a first slider detachably connected to the connecting base; and a profile base connected to a bracket, a stator mounting portion being provided on the side of the profile base away from the bracket, a linear motor stator being disposed on the stator mounting portion, and a first guide rail being disposed on the side of the profile base away from the bracket.

[0011] In some embodiments, the linear motor mechanism further includes two sets of first anti-collision components, which are respectively disposed at both ends of the profile base along the direction of gravity, and the first anti-collision components are used to provide collision buffer for the connecting base.

[0012] In some embodiments, the counterweight mechanism includes: a counterweight mounting component, which is connected to the transmission mechanism for configuring the counterweight block; and a second guide component, which is disposed on the bracket and connected to the counterweight mounting component for guiding the counterweight mounting component to move along the direction of gravity.

[0013] In some embodiments, the second guide assembly includes: a second guide rail connected to a bracket; a second slider slidably connected to the second guide rail, the second slider being configured to slide relative to the second guide rail in the direction of gravity, and a counterweight mounting member connected to the second slider.

[0014] In some embodiments, the transmission mechanism is a fixed pulley transmission mechanism, which is arranged at the top of the bracket away from the base along the direction of gravity.

[0015] In some embodiments, the fixed pulley transmission mechanism includes: a transmission chain, one end of which is connected to a counterweight mounting member and the other end of which is connected to a load mounting member; a support assembly, which is detachably disposed on the top of the bracket away from the base; and a sprocket, which is rotatably connected to the support assembly, and the transmission chain is at least partially mounted on and engages with the sprocket, wherein the rotation axis of the sprocket is perpendicular to a first direction.

[0016] In some embodiments, there are two or more sets of fixed pulley transmission mechanisms, which are spaced apart along a second direction, and the second direction is perpendicular to the first direction and the direction of gravity, respectively.

[0017] In some embodiments, the lifting platform further includes: a top cover, disposed at the top of the support away from the base and detachably connected to the support; and a side cover, disposed on the second side and detachably connected to the support. The top cover and the side cover cooperate to form a covered space, and the transmission mechanism, the counterweight mounting component, and the second guide assembly are disposed within the covered space.

[0018] In some embodiments, the counterweight mechanism further includes a second anti-collision component disposed on the side of the counterweight mounting member facing the base.

[0019] In some embodiments, the bracket includes: a support plate; a connecting plate connected to a base, one end of the support plate being connected to the side of the connecting plate opposite to the base; a top plate connected to the other end of the support plate opposite to the connecting plate, and a transmission mechanism connected to the top plate; a first reinforcing rib disposed on a first side, and the first reinforcing rib being connected to both the connecting plate and the support plate; a second reinforcing rib disposed on a second side, and the second reinforcing rib being connected to both the connecting plate and the support plate; wherein, along the direction of gravity, the first reinforcing rib and the support plate have a first connection length, and the second reinforcing rib and the support plate have a second connection length, the first connection length being less than or equal to the second connection length.

[0020] In some implementations, the ratio of the second connection length to the length of the support plate extending in the direction of gravity is greater than or equal to 0.6.

[0021] In some embodiments, the support plate is provided with a plurality of spaced limiting parts along the direction of gravity, and the lifting platform also includes a limiting member. When installing the counterweight and / or installing the load, the limiting member is used to connect with the counterweight mounting member and the corresponding limiting part to restrict the movement of the counterweight mounting member relative to the support.

[0022] In some embodiments, the base includes: a base plate, a bracket and the base plate being detachably fixed to one side of the base plate; a plurality of casters, each disposed on the side of the base plate opposite to the bracket; and a plurality of foot cups, each disposed on the side of the base plate opposite to the bracket; wherein, when the lifting platform moves, the foot cups can be lifted away from the support surface, and when the lifting platform is stationary, the foot cups can abut against the support surface.

[0023] The beneficial effects of this application are as follows: The lifting platform provided by this application includes: a base, a support, a drive mechanism, a load mounting component, and a counterweight mechanism. The support is fixed to the base; the drive mechanism is mounted on the support; the load mounting component is driven by the drive mechanism and is used to bear the load, and the drive mechanism is used to drive the load mounting component to drive the load to rise or fall relative to the base in the direction of gravity; and the counterweight mechanism is mounted on the support, and the load mounting component is driven by the counterweight mechanism, which is used to configure a counterweight block adapted to the load and convert the gravity of the counterweight block into a damping force that resists the descent of the load mounting component. In the event of a sudden failure of the drive mechanism or a power outage, the damping force provided by the counterweight mechanism can effectively prevent the load mounting component from falling due to weightlessness, thereby effectively improving the safety performance of the lifting platform. Furthermore, during the process of the drive mechanism driving the load mounting component to rise, the damping force provided by the counterweight mechanism can also play an auxiliary role in the drive mechanism, thereby effectively reducing the drive power required for the drive mechanism to drive the load mounting component to rise, and thus effectively reducing the workload of the drive mechanism. Of course, the method described above, which uses counterweights to provide damping force for the load mounting components, not only improves the safety performance of the lifting platform but also effectively enhances its applicability to different types of loads. More specifically, the counterweight mechanism offers greater flexibility in handling various application scenarios. For loads of different weights, operators can effectively ensure the operational safety of the lifting platform by configuring counterweights that match the weight of the load. Furthermore, by placing the counterweight mechanism and the load mounting components on the second and first sides of the support frame, respectively, the mechanical balance of the lifting platform is improved, thereby effectively enhancing its structural stability and consequently its safety performance and the movement accuracy of the load mounting components. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 A three-dimensional structural schematic diagram of the lifting platform provided in an embodiment of this application;

[0026] Figure 2 yes Figure 1 The diagram shows the exploded structure of the lifting platform.

[0027] Figure 3 yes Figure 2 The diagram shows a three-dimensional structure of the load mounting component after it is connected to the drive mechanism.

[0028] Figure 4 yes Figure 3 The exploded structural diagram of the load mounting component and drive mechanism shown.

[0029] Figure 5 yes Figure 3 The diagram shows the forward structure along the direction of gravity after the load mounting component is connected to the drive mechanism and the shaft end baffle is hidden.

[0030] Figure 6 yes Figure 4 A schematic diagram of the front structure of the profile base shown;

[0031] Figure 7 yes Figure 4 A schematic diagram of the forward structure of the connecting base shown;

[0032] Figure 8 yes Figure 2 The exploded structural diagram of the counterweight mechanism and transmission mechanism shown.

[0033] Figure 9 yes Figure 2 The diagram shows a three-dimensional structural schematic of the connection between the bracket and the base.

[0034] The following are the labeling elements in the figure:

[0035] 10. Lifting platform; 100. Base; 200. Bracket; 300. Drive mechanism; 300a. Linear motor mechanism; 400. Load mounting component; 500. Counterweight mechanism; 600. Transmission mechanism; 600a. Fixed pulley transmission mechanism; 700. Side cover; 800. Top cover;

[0036] 110. Foot cup; 120. Caster wheel; 130. Base plate; 210. Support plate; 220. Connecting plate; 230. Top plate; 240. First reinforcing rib; 250. Second reinforcing rib; 260. Third reinforcing rib; 211. Limiting part; 301. Linear motor stator; 302. Linear motor mover; 303. First guide assembly; 304. Connecting base; 305. Profile base; 306. First anti-collision assembly; 307. Profile cover plate; 308. Shaft end baffle; 309. Dust shield; 310. Reading assembly; 311. Sensor; 401, Chain connector; 510, Counterweight mounting component; 520, Second guide assembly; 530, Second anti-collision assembly; 610, Drive chain; 620, Sprocket; 630, Support assembly; 521, Second guide rail; 522, Second slider; 3030, First guide rail; 3031, First slider; 3050, First plate-shaped body; 3051, First protrusion; 3040, Second plate-shaped body; 3041, Second protrusion; 6300, Set screw; 6301, Fixing pin; 6302, Retaining ring; 6303, Support base;

[0037] X1, direction of gravity; X2, first direction; X3, second direction; LB1, first side; LB2, second side; L1, first connection length; L2, second connection length; L3, extension length. Detailed Implementation

[0038] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0039] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0040] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0041] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0042] Please see Figure 1 and Figure 2The lifting platform 10 provided in this application embodiment will now be described. The lifting platform 10 provided in this application embodiment is widely used, but not limited to, in industries such as semiconductor manufacturing, electronic processing, and medical devices, providing a reliable motion foundation for various precision operations. For example, the lifting platform 10 can lift the corresponding workpiece to a specified height above the ground and keep it suspended, ensuring that the workpiece can stably complete production steps or corresponding experimental tests. The lifting platform 10 provided in this application embodiment includes a base 100, a support 200, a drive mechanism 300, a load mounting component 400, a counterweight mechanism 500, and a transmission mechanism 600. The support 200 is connected to the base 100, and the support 200 includes a first side LB1 and a second side LB2 disposed opposite to each other along a first direction X2. The drive mechanism 300 is disposed on the support 200. The load mounting component 400 is drively connected to the drive mechanism 300, and the load mounting component 400 is disposed on the first side LB1 of the support 200. The counterweight mechanism 500 is disposed on the second side LB2 of the support 200. The transmission mechanism 600 is connected to the counterweight mechanism 500 and the load mounting component 400 respectively.

[0043] Specifically, in this embodiment, the first direction X2 is defined as the direction perpendicular to the gravity direction X1. The bracket 200 and the base 100 form a support component for supporting the drive mechanism 300, the load mounting component 400, the counterweight mechanism 500, and the transmission mechanism 600. The load mounting component 400 is a component for bearing the load, and the drive mechanism 300 is used to drive the load mounting component 400 to move the load relative to the base 100 upwards or downwards along the gravity direction X1. It can be understood that the load is the workpiece described above. The load mounting component 400 is provided with a mounting part for fixing the load. After the load is fixed to the load mounting component 400, the load mounting component 400 can, under the drive of the drive mechanism 300, move the load upwards or downwards along the gravity direction X1, so that the load can stably move to the designated workstation and stably complete the designated production steps and experimental testing steps. The counterweight mechanism 500 is used to configure a counterweight block adapted to the load and convert the gravity of the counterweight block into a damping force that resists the descent of the load mounting component 400.

[0044] It is understandable that the drive mechanism 300 may suddenly lose its driving force due to malfunctions or power outages, posing a safety hazard. The load that needs to be lifted by the lifting platform 10, i.e. the workpiece, is generally quite heavy. If the drive mechanism 300 suddenly loses its driving force due to malfunctions or power outages, the load will be at risk of falling after being lifted from a height to a certain height.

[0045] In existing related technologies, the drive mechanism 300 of the lifting platform 10 still poses significant safety hazards during operation, affecting the safety performance of the lifting platform 10. Therefore, in order to improve the safety performance of the lifting platform 10, in this embodiment, the load mounting component 400 and the counterweight mechanism 500 are connected by a transmission mechanism 600. The counterweight mechanism 500 can be configured with a counterweight block that matches the weight of the load. The transmission mechanism 600 can convert the gravity of the counterweight block into a damping force acting on the load mounting component 400 to resist the descent of the load mounting component 400. In this way, when the drive mechanism 300 suddenly malfunctions or loses power, the damping force provided by the counterweight mechanism 500 can effectively prevent the load mounting component 400, which is loaded with a load, from falling due to weightlessness, thereby effectively improving the safety performance of the lifting platform 10. Furthermore, during the process of the drive mechanism 300 driving the load mounting component 400 to rise, the damping force provided by the counterweight mechanism 500 also plays an auxiliary role in the drive mechanism 300, thereby effectively reducing the drive power required by the drive mechanism 300 to drive the load mounting component 400 to rise, and thus effectively reducing the workload of the drive mechanism 300. Of course, the method of providing damping force to the load mounting component 400 through counterweights as described above not only improves the safety performance of the lifting platform 10, but also effectively improves the applicability of the lifting platform 10 to different types of loads. More specifically, the counterweight mechanism 500 has greater flexibility in dealing with application scenarios. For loads of different weights, operators can effectively ensure the working safety of the lifting platform 10 by configuring counterweights that match the weight of the load on the counterweight mechanism 500.

[0046] Furthermore, during operation, the counterweight mechanism 500 and the load mounting component 400 bear heavy loads. Therefore, the positional relationship between the support 200, the counterweight mechanism 500, and the load mounting component 400 is closely related to the structural stability of the lifting platform 10. If the structural stability of the lifting platform 10 is too poor, there will be risks such as swaying or tipping during operation. This will not only affect the movement accuracy of the load mounting component 400 but also the safety performance of the lifting platform 10. Therefore, in this embodiment, the counterweight mechanism 500 and the load mounting component 400 are respectively set on the second side LB2 and the first side LB1 of the support 200. This makes the mechanical balance of the lifting platform 10 better, thereby effectively improving the structural stability of the lifting platform 10, and thus effectively improving the safety performance of the lifting platform 10 and the movement accuracy of the load mounting component 400.

[0047] For further information, please continue reading. Figure 1 and Figure 2Along the first direction X2, the drive mechanism 300 is set on the first side LB1 and located between the load mounting member 400 and the bracket 200. The transmission mechanism 600 is set between the counterweight mechanism 500 and the load mounting member 400. This makes the weight distribution on both sides of the bracket 200 more reasonable, thereby effectively improving the structural stability of the lifting platform 10.

[0048] For further information, please refer to [link / reference]. Figure 3 and Figure 4 The drive mechanism 300 in the above embodiment includes a linear motor mechanism 300a. It can be understood that the drive mechanism 300 in this application embodiment is a linear motor mechanism 300a. The linear motor mechanism 300a includes a linear motor stator 301 and a linear motor mover 302. The linear motor stator 301 is fixed relative to the bracket 200, and the linear motor mover 302 is connected to the load mounting member 400 and slidably connected relative to the bracket 200. The linear motor mover 302 is used to drive the load to rise or fall relative to the base 100 based on the electromagnetic force of the linear motor stator 301.

[0049] Understandably, under energized conditions, the stator 301 and mover 302 of the linear motor can generate electromagnetic interaction. The linear motor stator 301 and mover 302 transmit power through an electromagnetic field, effectively reducing the frictional resistance between them. This, in turn, effectively reduces the impact of friction on the motion accuracy of the load mounting component 400, thereby significantly improving its motion accuracy.

[0050] Of course, in other embodiments, the drive mechanism 300 can also be other types of motion mechanisms such as a lead screw drive mechanism 300, which will not be described in detail here.

[0051] Further reading Figure 4 The linear motor mechanism 300a described in the above embodiments further includes a first guide component 303. The first guide component 303 is connected to one of the load mounting member 400 and the linear motor mover 302. The first guide component 303 is used to guide the load mounting member 400 to move along the direction of gravity X1, thereby improving the motion stability of the load mounting member 400. This application embodiment takes the connection between the first guide component 303 and the load mounting member 400 as an example to illustrate the specific function of the first guide component 303. Of course, in other embodiments, the first guide component 303 can also be connected to the linear motor mover 302 to achieve the guiding function of the load mounting member 400.

[0052] Please continue reading. Figure 4The first guide component 303 described in the above embodiment includes a first guide rail 3030 and a first slider 3031 slidably connected to the guide rail. The first guide rail 3030 is fixed relative to the bracket 200. The first slider 3031 is configured to slide relative to the first guide rail 3030 along the gravity direction X1. One of the load mounting part 400 and the linear motor mover 302 of the first slider 3031 is connected to the first slider 3031.

[0053] It is understandable that the first guide rail 3030 and the first slider 3031 work together to guide the load mounting component 400 to move stably along the direction of gravity X1, thereby effectively improving the motion accuracy and stability of the load mounting component 400. The first slider 3031, as a component that follows the movement of the load mounting component 400 and the linear motor mover 302 relative to the bracket 200, can be connected to either the load mounting component 400 or the linear motor mover 302 to ensure its guiding effect on the load mounting component 400.

[0054] There are two first guide rails 3030, which are respectively arranged on both sides of the linear motor stator 301. There are four first sliders 3031, which are divided into two groups, and the two groups of first sliders 3031 are respectively arranged corresponding to the two first guide rails 3030. Of course, in some embodiments, the number of first guide rails 3030 and the number of first sliders 3031 can be set according to the actual situation, which will not be described in detail here.

[0055] Please continue reading. Figure 4 And further reading Figure 5 The linear motor mechanism 300a described in the above embodiment further includes a connecting base 304 and a profile base 305. The linear motor mover 302 is detachably connected to the connecting base 304, the load mounting member 400 is detachably connected to the connecting base 304, and the first slider 3031 is detachably connected to the connecting base 304. The profile base 305 is fixed to the bracket 200. A stator mounting portion is provided on the side of the profile base 305 opposite to the bracket 200. The linear motor stator 301 is disposed in the stator mounting portion, and the first guide rail 3030 is disposed on the side of the profile base 305 opposite to the bracket 200.

[0056] The connecting base 304 serves as a connector for components such as the linear motor mover 302, the first slider 3031, and the load mounting component 400, which are movable relative to the bracket 200. The profile base 305 serves as a connector for components such as the first guide rail 3030 and the linear motor stator 301, which are fixed relative to the bracket 200. It can be understood that components such as the linear motor mover 302, the first slider 3031, and the load mounting component 400, which are movable relative to the bracket 200, are integrated into the connecting base 304 as the mover module of the linear motor mechanism 300a. Components such as the first guide rail 3030 and the linear motor stator 301, which are fixed relative to the bracket 200, are integrated into the profile base 305 as the stator module of the linear motor mechanism 300a. This makes the linear motor mechanism 300a more modular and integrated, effectively reducing the installation difficulty of the linear motor mechanism 300a and thus effectively improving the installation efficiency of the linear motor mechanism 300a.

[0057] It should be noted that, in this paper, the assembly formed by integrating components such as the linear motor mover 302, the first slider 3031, and the load mounting component 400, which are movable relative to the bracket 200, into the connecting base 304, is referred to as the mover motion module. The assembly formed by integrating components such as the first guide rail 3030, the linear motor stator 301, and other components that are fixed relative to the bracket 200 into the profile base 305 is referred to as the stator module.

[0058] Please see Figure 6 The profile base 305 described in the above embodiment includes a first plate-shaped main body 3050. The first plate-shaped main body 3050 has first protrusions 3051 protruding from its two sides along its width direction. The portion of the first plate-shaped main body 3050 located between the two first protrusions 3051 serves as a stator mounting portion for mounting a linear motor stator 301. Each first protrusion 3051 has a mounting portion for mounting a first track. A connecting base 304 is disposed between the two first protrusions 3051.

[0059] Please see Figure 7 The connecting base 304 described in the above embodiment includes a second plate-shaped body 3040. The second plate-shaped body 3040 has two protrusions 3041 protruding from its two sides along its width direction. The load mounting member 400 rests on the two protrusions 3041, and the second plate-shaped body 3040 is positioned closer to the first plate-shaped body 3050 relative to the load mounting plate. A linear motor actuator 302 is located on the side of the second plate-shaped body 3040 opposite to the second protrusions 3041, and a first slider 3031 is also located on the side of the second plate-shaped body 3040 opposite to the second protrusions 3041.

[0060] The specific structure of the connecting base 304 and the profile base 305 can be set according to the installation requirements of the components to be installed, and will not be described in detail here.

[0061] Please continue reading. Figure 4 , Figure 5 , Figure 6 and Figure 7 The linear motor mechanism 300a described in the above embodiment also includes a profile cover plate 307 and two shaft end baffles 308. The two shaft end baffles are respectively disposed at both ends of the profile base 305 along the length direction of the profile mechanism. The profile cover plate 307 passes through the space between the second plate-shaped main body 3040 and the load mounting member 400, and is connected between the shaft end baffles 308. The profile cover plate 307 is at least used to cover the linear motor stator 301 to provide a certain degree of physical protection for the linear motor stator 301.

[0062] Please continue reading. Figure 4 The linear motor mechanism 300a described in the above embodiment also includes two sets of first anti-collision components 306. The two sets of first anti-collision components 306 are respectively disposed at both ends of the profile base 305 along the gravity direction X1, and the first anti-collision components 306 are used to provide collision buffer for the connecting base 304. It should be noted that the specific structure of the first anti-collision component 306 can be found in the prior art, and will not be described in detail here.

[0063] Taking the linear motor mechanism 300a of this application embodiment, which includes two shaft end baffles 308, as an example, two sets of first anti-collision components 306 are respectively disposed on the corresponding shaft end baffles 308. The moving module, composed of the connecting base 304, the linear motor mover 302, the first slider 3031, and the load mounting component 400, which are movable relative to the support 200, is at risk of colliding with components such as the base 100 and the counterweight mechanism 500 during its movement along the gravity direction X1. This poses a risk of damage to the moving module and endangers the safety of the operator, thereby affecting the safety performance and operational stability of the lifting mechanism. Therefore, a set of first anti-collision components 306 is respectively disposed at both ends of the profile base 305 along the gravity direction X1 to provide collision buffer for the connecting base 304, thereby effectively reducing the risk of damage to the moving module and endangering the safety of the operator, and thus effectively improving the safety performance and operational stability of the lifting mechanism.

[0064] The linear motor mechanism 300a, as described above, also includes a cable chain fixing plate (not shown in the figure), a reading component 310, a pressure block (not shown in the figure), and multiple sensors 311. The cable chain fixing plate, the reading component 310, and the pressure block are all fixed to the connecting base 304 as part of the mover motion module. Multiple sensors 311 are spaced apart along the gravity direction X1 on the profile base 305.

[0065] The cable chain fixing plate is a connector used to connect to the cable chain. The reading component 310 works in conjunction with the sensor 311 to obtain the movement position of the mover module. In this embodiment, the sensor 311 is a slot-type photoelectric sensor, and the corresponding reading component 310 is a data acquisition element used in conjunction with the slot-type photoelectric sensor. Of course, in other embodiments, the sensor 311 may be of other types, which will not be described in detail here.

[0066] Please continue reading. Figure 4 As described in the above embodiments, the linear motor mechanism 300a also includes a dust cover 309. The sensor 311 is disposed on the side of the first protrusion 3051 away from the first plate-shaped main body 3050. The dust cover 309 is fixed on the bracket 200 and disposed near the sensor 311 to cover the sensor 311.

[0067] Please refer to further information. Figure 8 The counterweight mechanism 500 described in the above embodiments also includes a counterweight mounting component 510 and a second guide component 520. The second guide component 520 is disposed on the bracket 300 and connected to the counterweight mounting component 510. The second guide component 520 is used to guide the movement of the counterweight mounting component 510 along the gravity direction X1 to improve the movement stability of the counterweight mounting component 510.

[0068] The second guide assembly 520 includes a second guide rail 521 and a second slider 522. The second guide rail 521 is connected to the bracket 200, and the second slider 522 is slidably connected to the second guide rail 521. The second slider 522 is configured to slide relative to the first guide rail 3030 along the gravity direction X1. The counterweight mounting component 510 is connected to the second slider 522. Thus, under the guiding action of the second slider 522 and the second guide rail 521, the mounting component can move more stably along the gravity direction X1.

[0069] The transmission mechanism 600 described in the above embodiments is a fixed pulley transmission mechanism 600a, which is disposed at the top of the bracket 200 away from the base 100 along the gravity direction X1. In this embodiment, the first direction X2 is defined as the direction perpendicular to the gravity direction X1. More specifically, the transmission mechanism 600 is a fixed pulley transmission mechanism 600a, which has the function of changing the direction of force transmission. Therefore, the gravity of the counterweight mounting member 510 and the counterweight block can be converted into a damping force that hinders the load from falling through the fixed pulley transmission mechanism 600a. Of course, in other embodiments, the transmission mechanism 600 can also be other mechanisms that change the direction of force transmission, which will not be described in detail here.

[0070] Please continue reading. Figure 8The fixed pulley transmission mechanism 600a described in the above embodiment includes a transmission chain 610, a sprocket 620, and a support assembly 630. One end of the transmission chain 610 is connected to the counterweight mounting member 510, and the other end is connected to the load mounting member 400. The support assembly 630 is detachably fixed to the top of the bracket 200 away from the base 100, and the sprocket 620 is rotatably connected to the support assembly 630. The transmission chain 610 is at least partially mounted on and cooperates with the sprocket 620, wherein the rotation axis of the sprocket 620 is perpendicular to the first direction X2.

[0071] The transmission mechanism 600, which is formed by the cooperation of the sprocket 620 and the transmission chain 610, not only has the characteristic of changing the direction of force transmission of the fixed pulley mechanism, but also has the transmission advantages of chain drive. Thus, the fixed pulley transmission mechanism 600a can ensure that the counterweight mounting component 510 can stably provide damping force to the load mounting component 400, while also effectively improving the motion stability of the load mounting component 400.

[0072] The fixed pulley transmission mechanism 600a described in the above embodiment also includes two sets of chain joints 401. One set of chain joints 401 is detachably mounted on the load mounting member 400, and the other set of chain joints 401 is detachably mounted on the counterweight mounting member 510. The transmission chain 610 is connected to the chain joints 401 through a hook structure, which can effectively improve the ease of connection between the transmission chain 610 and the load mounting member 400 and the counterweight mounting member 510.

[0073] Please continue reading. Figure 8 The support assembly 630 described in the above embodiment includes a fixing pin 6301, a set screw 6300, a retaining ring 6302, and two support seats 6303 spaced apart along the second direction X3. Each support seat 6303 has a fixing hole and a limiting hole communicating with the fixing hole. A sprocket 620 has a pin hole and is positioned between the two support seats 6303. The fixing pin 6301 passes through the fixing hole and the pin hole sequentially to rotatably connect the sprocket 620 to the support seat 6303. The set screw 6300 passes through the limiting hole and abuts against the fixing pin 6301 to restrict the rotation of the fixing pin 6301 relative to the sprocket 620. There are three retaining rings 6302. Two retaining rings 6302 are respectively fitted onto the two ends of the fixing pin 6301 to restrict the movement of the fixing pin 6301 relative to the support base 6303 along the second direction X3. The remaining retaining ring 6302 is used to restrict the movement of the sprocket 620 relative to the fixing pin 6301 along the second direction X3. It should be noted that, in this embodiment, the direction perpendicular to the first direction X2 and the gravity direction X1 is defined as the second direction X3.

[0074] To accommodate the span requirements of the load mount 400 and the counterweight mount 510 along the first direction X2, the fixed pulley transmission mechanism 600a described in the above embodiment may include two sets of support components 630 spaced apart along the first direction X2 and a corresponding number of sprockets 620. Of course, in other embodiments, depending on the required span between the load mount 400 and the counterweight mount 510, the number of support components 630 may be one, three, or more, and the number of sprockets 620 may correspond to the number of support components 630; specific details will not be elaborated further here.

[0075] The fixed pulley transmission mechanism 600a described in the above embodiments consists of two or more sets, which are spaced apart along the second direction X3. Taking the embodiment of this application with two sets of fixed pulley transmission mechanisms 600a as an example, the two sets of fixed pulley transmission mechanisms 600a are spaced apart along the second direction X3. By connecting the load mounting component 400 and the counterweight mounting component 510 through the two sets of fixed pulley transmission mechanisms 600a, the motion stability of the load mounting component 400 can be effectively improved. Of course, the number of fixed pulley transmission mechanisms 600a can be configured according to the actual working conditions, which will not be elaborated in detail here.

[0076] Please continue reading. Figure 8 The counterweight mechanism 500 described in the above embodiments further includes a second anti-collision component 530, which is disposed on the side of the counterweight mounting member 510 facing the base 100. The second anti-collision component 530 is used to provide anti-collision buffer for the counterweight mounting member 510 to effectively prevent the risk of damage to the counterweight mounting member 510 due to collision with the base 100 when it moves along the gravity direction X1.

[0077] Please continue reading. Figure 2 The lifting platform 10 described in the above embodiment also includes a top cover 800 and a side cover 700. The top cover 800 is disposed at the top of the support 200 away from the base 100 and is detachably connected to the support 200. The side cover 700 is disposed on the second side LB2 of the support 200 and is detachably connected to the support 200. The top cover 800 and the side cover 700 cooperate to form a covered space. The transmission mechanism 600, the counterweight mounting component 510, and the second guide component 520 are disposed in the covered space. This not only effectively reduces the interference of the external environment on the transmission mechanism 600, the counterweight mounting component 510, and the second guide component 520, but also effectively improves the safety performance of the lifting platform 10. The side cover 700 is detachably connected to the support 200, so when it is necessary to adjust the number of counterweights, the side cover 700 can be removed to facilitate the installation of counterweights on the counterweight mounting component 510.

[0078] Please refer to further information. Figure 9The base 100 described in the above embodiment includes: a base plate 130, multiple casters 120, and multiple foot cups 110. The bracket 200 is detachably fixed to one side of the base plate 130; the multiple casters 120 are respectively disposed on the side of the base plate 130 opposite to the bracket 200; the multiple foot cups 110 are respectively disposed on the side of the base plate 130 opposite to the bracket 200; wherein, when the lifting platform 10 moves, the foot cups 110 can be lifted away from the support surface, and when the lifting platform 10 is stationary, the foot cups can abut against the support surface.

[0079] The base plate 130 provides connection support for the bracket 200. The casters 120 are components that can move on the support surface in a rolling manner. The placement of the casters 120 at the bottom of the base plate 130 effectively reduces the difficulty of moving the lifting platform 10, thereby effectively improving the flexibility of the lifting platform 10. Furthermore, the base plate 130 is also equipped with feet 110. When the lifting platform 10 needs to be moved, the feet 110 can be lifted off the support surface, allowing the lifting platform 10 to move via the casters 120. When the lifting platform 10 moves to the designated work position, the feet 110 can be lowered and supported on the support surface, effectively ensuring the support stability of the lifting platform 10. This effectively reduces the risk of shaking or moving the lifting platform 10 during operation, thereby effectively improving the working stability of the lifting platform 10.

[0080] Please continue reading. Figure 9 The bracket 200 described in the above embodiment includes a support plate 210, a connecting plate 220, a top plate 230, a first reinforcing rib 240, and a second reinforcing rib 250. The connecting plate 220 is connected to the base 100, and one end of the support plate 210 is connected to the side of the connecting plate 220 opposite to the base 100. The top plate 230 is connected to the other end of the support plate 210 opposite to the connecting plate 220, and the transmission mechanism 600 described in the above embodiment is connected to the top plate 230. The first reinforcing rib 240 is disposed on the first side LB1, and the first reinforcing rib 240 is connected to both the connecting plate 220 and the support plate 210. The second reinforcing rib 250 is disposed on the second side LB2, and the second reinforcing rib 250 is connected to both the connecting plate 220 and the support plate 210. Along the direction of gravity X1, the first reinforcing rib 240 and the support plate 210 have a first connection length L1, and the second reinforcing rib 250 and the support plate 210 have a second connection length L2, wherein the second connection length L2 is greater than or equal to the first connection length L1.

[0081] Specifically, the support plate 210 serves as the main support for the bracket 200, and the connecting plate 220 provides a connection base for the connection between the support plate 210 and the base 100. The top plate 230 is connected to one end of the support plate 210 and serves as the mounting base for the transmission mechanism 600. For example, the support assembly 630 described in the above embodiment can be detachably arranged on the top plate 230. The support plate 210 and the connecting plate 220 are structurally reinforced by a first reinforcing rib 240 and a second reinforcing rib 250 to ensure the support stability of the support plate 210, thereby effectively improving the structural stability of the bracket 200.

[0082] On the first side LB1, the components mounted on the bracket 200 include a linear motor drive mechanism 600a, a load mounting component 400, and a load mounted on the load mounting component 400. On the second side LB2, the heavy-duty components mounted on the bracket 200 mainly include a counterweight mounting component 510 and a counterweight mounted on the counterweight mounting component 510. The center of gravity on the first side LB1 is more uniform and fluctuates less than on the second side LB2. Therefore, the second connection length L2 is set to be longer than the first connection length L1, which helps to improve the overall structural stability of the bracket 100. Of course, the first connection length L1 can also be set to be the same length as the second connection length L2.

[0083] It should be noted that the connection lengths (i.e., the first connection length L1 and the second connection length L2) between the support plate 210 and the first reinforcing rib 240 and the second reinforcing rib 250 depend on the length of the first reinforcing rib 240 along the gravity direction X1 and the length of the second reinforcing rib 250 along the gravity direction X1. In other words, in this embodiment, the length of the first reinforcing plate 240 along the gravity direction X1 is less than or equal to the length of the second reinforcing plate 250 along the gravity direction X1.

[0084] Furthermore, the ratio of the second connection length L2 to the extension length L3 of the support plate 210 along the gravity direction X1 is greater than or equal to 0.6. For example, the ratio can be set to actual values ​​greater than or equal to 0.6, such as 0.6, 0.7, 0.71, 0.75, 0.8, etc., which can effectively improve the overall structural stability of the support 100.

[0085] The above embodiments describe two first reinforcing ribs 240 and two second reinforcing ribs 250. The two first reinforcing ribs 240 are spaced apart along the second direction X3, and the two second reinforcing ribs 250 are also spaced apart along the second direction X3. Of course, in other embodiments, the number of first reinforcing ribs 240 and second reinforcing ribs 250 can be adjusted according to actual conditions, which will not be elaborated on here.

[0086] Further reading Figure 9The bracket 100 described in the above embodiment also includes a third reinforcing rib 260, wherein the top plate 230 is biased toward the first side LB1, and the third reinforcing rib 260 is connected to the support plate 210 and the top plate 230 respectively.

[0087] Please refer to further information. Figure 9 The support plate 210 described in the above embodiment is provided with a plurality of spaced limiting parts 211 along the gravity direction X1. The lifting platform 10 described in the above embodiment also includes a limiting member (not shown in the figure). When installing the counterweight and / or installing the load, the limiting member is used to connect with the counterweight mounting member 510 and the corresponding limiting part to limit the movement of the counterweight mounting member 400 relative to the bracket 100.

[0088] More specifically, the limiting component can be a bolt or other component that can fix two parts relatively, which will not be elaborated on here. When installing the counterweight or load, the limiting component can be connected to the limiting part 211 and the counterweight mounting part 510 respectively to restrict the movement of the counterweight mounting part 510 and the load mounting part 400 relative to the bracket 200 along the direction of gravity X1. This allows the counterweight mounting part 510 and the load mounting part 400 to be stably suspended at a specified height, thereby ensuring that the operator can install the counterweight on the counterweight mounting part 510 and the load on the load mounting part 400 in a safe and stable operating environment. This effectively improves the operational safety of the lifting platform 10 while also effectively reducing the operational difficulty of the lifting platform 10. Furthermore, the multiple limiting parts 211 configured on the support 200 allow operators to adjust the suspension height of the counterweight mounting part 510 and the load mounting part 400 according to their needs, thereby greatly improving the adaptability of the lifting platform 10 to different working conditions.

[0089] In summary, the lifting platform 10 provided by this application can effectively prevent the load-bearing installation component 400 from falling due to weightlessness by means of the damping force provided by the counterweight mechanism 500 when the drive mechanism 300 suddenly malfunctions or loses power, thereby effectively improving the safety performance of the lifting platform 10. Furthermore, during the process of the drive mechanism 300 driving the load-bearing installation component 400 to rise, the damping force provided by the counterweight mechanism 500 also plays an auxiliary role in the drive mechanism 300, thereby effectively reducing the drive power required by the drive mechanism 300 to drive the load-bearing installation component 400 to rise, and thus effectively reducing the workload of the drive mechanism 300. Of course, the method of providing damping force to the load-bearing installation component 400 through counterweights, as described above, not only improves the safety performance of the lifting platform 10, but also effectively improves the applicability of the lifting platform 10 to different types of loads. More specifically, the counterweight mechanism 500 has greater flexibility in dealing with application scenarios. For loads of different weights, operators can effectively ensure the working safety of the lifting platform 10 by configuring counterweights that match the weight of the load on the counterweight mechanism 500. Furthermore, the counterweight mechanism 500 and the load mounting component 400 are respectively set on the second side LB2 and the first side LB1 of the support 200, which makes the mechanical balance of the lifting platform 10 better, thereby effectively improving the structural stability of the lifting platform 10, and thus effectively improving the safety performance of the lifting platform 10 and the motion accuracy of the load mounting component 400.

[0090] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A lift platform, characterized in that, The lifting platform includes: Base; A bracket is connected to the base, and the bracket includes a first side and a second side arranged opposite to each other along a first direction, the first direction being perpendicular to the direction of gravity. The drive mechanism is mounted on the bracket; A load mounting component is connected to the drive mechanism and is disposed on the first side of the bracket for bearing a load. The drive mechanism is used to drive the load mounting component to drive the load to rise or fall relative to the base in the direction of gravity. A counterweight mechanism, disposed on the second side, is used to configure a counterweight block adapted to the load; and The transmission mechanism is connected to the counterweight mechanism and the load mounting component respectively, and is used to convert the gravity of the counterweight into a damping force that hinders the descent of the load mounting component.

2. The lift platform of claim 1, wherein, Along the first direction, the drive mechanism is disposed on the first side and located between the load mounting member and the bracket, and the transmission mechanism is disposed between the counterweight mechanism and the load mounting member.

3. The lift platform of claim 2, wherein, The drive mechanism includes a linear motor mechanism, which includes a linear motor stator and a linear motor mover. The linear motor stator is fixed relative to the bracket, and the linear motor mover is slidably connected relative to the bracket. The load mounting component is connected to the linear motor mover, and the linear motor mover is used to drive the load to rise or fall relative to the base based on the electromagnetic force of the linear motor stator.

4. The lift platform of claim 3, wherein, The linear motor mechanism further includes a first guide component connected to one of the load mounting component and the linear motor actuator, for guiding the load mounting component to move along the direction of gravity.

5. The lift platform of claim 4, wherein, The first guide assembly includes a first guide rail and a first slider slidably connected to the first guide rail. The first guide rail is fixed relative to the bracket. The first slider is configured to slide relative to the first guide rail along the direction of gravity. One of the load mounting component and the linear motor actuator is connected to the first slider.

6. The lift platform of claim 5, wherein, The linear motor mechanism further includes: A connecting base, wherein the linear motor actuator is detachably connected to the connecting base, the load mount is detachably connected to the connecting base, and the first slider is detachably connected to the connecting base; and A profile base is connected to the bracket. A stator mounting part is provided on the side of the profile base away from the bracket. The linear motor stator is mounted on the stator mounting part. The first guide rail is located on the side of the profile base away from the bracket.

7. The lift platform of claim 6, wherein, The linear motor mechanism further includes: Two sets of first anti-collision components are respectively disposed at both ends of the profile base along the direction of gravity, and the first anti-collision components are used to provide collision buffer for the connecting base.

8. The lift platform of claim 2, wherein, The counterweight mechanism includes: A counterweight mounting component, which is connected to the transmission mechanism, is used to mount the counterweight block; A second guide component is disposed on the bracket and connected to the counterweight mounting component, for guiding the counterweight mounting component to move along the direction of gravity.

9. The lift platform of claim 8, wherein, The second guide component includes: The second guide rail is connected to the bracket. The second slider is slidably connected to the second guide rail. The second slider is configured to slide relative to the second guide rail along the direction of gravity. The counterweight mounting component is connected to the second slider.

10. The lift platform of claim 8, wherein, The transmission mechanism includes a fixed pulley transmission mechanism, which is disposed at the top of the bracket away from the base along the direction of gravity.

11. The lift platform of claim 10, wherein, The fixed pulley transmission mechanism includes: A transmission chain, one end of which is connected to the counterweight mounting component, and the other end of which is connected to the load mounting component; A support assembly, wherein the support assembly is detachably disposed at the top of the bracket opposite to the base; A sprocket is rotatably connected to the support assembly, and the transmission chain is at least partially mounted on and engages with the sprocket, wherein the rotation axis of the sprocket is perpendicular to the first direction.

12. The lift platform of claim 10, wherein, The fixed pulley transmission mechanism consists of two or more sets, which are spaced apart along a second direction, which is perpendicular to the first direction and the direction of gravity, respectively.

13. The lift platform of claim 8, wherein, The lifting platform also includes: A top cover is disposed at the top of the bracket opposite to the base and is detachably connected to the bracket; A side cover is disposed on the second side and is detachably connected to the bracket. The top cover and the side cover cooperate to form a covering space. The transmission mechanism, the counterweight mounting component and the second guide assembly are disposed within the covering space.

14. The lift platform of claim 8, wherein, The counterweight mechanism further includes a second anti-collision component, which is disposed on the side of the counterweight mounting member facing the base.

15. The lift platform of claim 8, wherein, The support includes: Support plate; A connecting plate is connected to the base, and one end of the support plate is connected to the side of the connecting plate opposite to the base; The top plate is connected to the other end of the support plate opposite to the connecting plate, and the transmission mechanism is connected to the top plate; A first reinforcing rib is disposed on the first side, and the first reinforcing rib is connected to the connecting plate and the supporting plate respectively; A second reinforcing rib is disposed on the second side, and the second reinforcing rib is connected to the connecting plate and the supporting plate respectively; Along the direction of gravity, the first reinforcing rib and the support plate have a first connection length, and the second reinforcing rib and the support plate have a second connection length, wherein the first connection length is less than or equal to the second connection length.

16. The lift platform of claim 15, wherein, The ratio of the second connection length to the extension length of the support plate along the direction of gravity is greater than or equal to 0.

6.

17. The lift platform of claim 15, wherein, The support plate is provided with a plurality of spaced limiting parts along the direction of gravity. The lifting platform also includes a limiting member. When installing the counterweight and / or installing the load, the limiting member is used to connect with the counterweight mounting member and the corresponding limiting part to restrict the movement of the counterweight mounting member relative to the support.

18. The elevating platform according to any one of claims 1-17, wherein, The base includes: The base plate, wherein the bracket is detachably fixed to one side of the base plate; Multiple casters are respectively installed on the side of the base plate opposite to the bracket; and Multiple foot cups are respectively disposed on the side of the base plate opposite to the bracket; Wherein, the foot cup can be lifted off the support surface when the lifting platform moves, and the foot cup can be in abutment with the support surface when the lifting platform is stationary.

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