Lifting mechanism and lifting device for raised floor

Abstract

The present application provides a lifting mechanism and a lifting device of raised floor, which comprises a fast lifting module, a slow lifting module and a T-shaped connecting piece. The fast lifting module comprises a T-shaped nut connector, a connecting flange and a screw rod. The connecting flange comprises an upper connecting flange and a lower connecting flange. The upper end of the screw rod is fixed to the lower connecting flange, and the lower end of the screw rod is sequentially arranged in a nut, a T-shaped nut, a bearing, a transmission wheel connecting piece and a transmission wheel in the T-shaped nut connector. The T-shaped nut is fixed together with the transmission wheel by the transmission wheel connecting piece and rotates synchronously. The slow lifting module comprises a cylinder power source and a contact block. The contact block is fixed to the top of the piston in the cylinder power source. The upper connecting flanges at both ends of the T-shaped connecting piece and the fixed base are respectively connected to the fast lifting module and the slow lifting module.

Description

Technical Field

[0001] This invention relates to a lifting mechanism and lifting device, and more particularly to a lifting mechanism and lifting device for raised floors. Background Technology

[0002] Raised floor is a flooring system widely used in semiconductor factories, offices, computer rooms, and other similar locations. It essentially consists of a supporting frame and multiple height-adjustable floor panels. These panels are raised above the ground, creating a space for the installation of electrical wires, cables, conduits, and other wiring, while also improving airflow and providing heat dissipation.

[0003] Raised floors can be used for measurement, processing, or related actions. The positional difference caused by different lifting positions can lead to instability in the raising of the raised floor, which may result in height differences at the four corners of the raised floor, and may even cause the raised floor to slip during the lifting process.

[0004] Furthermore, conventional lifting mechanisms only provide lifting functions and do not have the function of fine-tuning the lifting based on fit or tolerance of measuring tools, thus failing to ensure or completely fit the object to be fitted or keep it close to the object to be fitted. Summary of the Invention

[0005] The purpose of this invention is to provide a lifting mechanism that, in addition to being able to quickly raise a predetermined height through its fast lifting module, can also compensate for fitting errors through air pressure regulation of the slow lifting module.

[0006] Another objective of this invention is to provide a lifting device for raised floors, wherein the four lifting mechanisms are configured as a synchronous drive mechanism to perform lifting actions synchronously, so that the raised floor can be raised or lowered to a predetermined position, thereby avoiding the generation of positional differences in the upward movements of the four lifting mechanisms.

[0007] This invention provides a lifting mechanism, including a fast lifting module, a slow lifting module, and a T-shaped connector. The slow lifting module is fixed above the fast lifting module. The fast lifting module can quickly lift to a predetermined height, and the slow lifting module rises and falls synchronously with the fast lifting module. The fast lifting module includes a T-shaped nut connector, a connecting flange, and a screw. The T-shaped nut connector includes a T-shaped nut, at least one bearing, a nut, a drive wheel connector, and a drive wheel. The T-shaped nut is fixed to the drive wheel and rotates synchronously with it via the drive wheel connector. The connecting flange includes an upper connecting flange and a lower connecting flange, with the upper connecting flange connected to the lower connecting flange. One upper end of the screw is fixed to the lower connecting flange, and the lower end of the screw sequentially passes through the nut, the T-shaped nut, at least the bearing, the drive wheel connector, and the drive wheel. The slow lifting module includes a cylinder power source and a contact block. The cylinder power source includes a cylinder body and a piston, which can move within the cylinder body. A contact block is fixed to one top of the piston, allowing the cylinder power source to slowly raise and lower the contact block to adjust its height. One end of the T-shaped connector is connected to a connecting flange, and the other end of the T-shaped connector is equipped with a fixed base. The connecting flanges and fixed bases at both ends of the T-shaped connector are respectively connected to and fixed the fast lifting module and the slow lifting module.

[0008] In one embodiment, the cylinder power source includes at least one intake and exhaust port and a plurality of fixing rods. At least one intake and exhaust port is provided on the cylinder body. The piston includes a protruding end connected to the top. One end of each of the fixing rods passes through the cylinder body, and the other end of each fixing rod is connected to the top, so that the piston and the fixing rods can be linked to the contact block.

[0009] In one embodiment, the T-nut connector includes a bearing housing, which houses a bearing located between the T-nut and the bearing housing. A nut is locked to the upper end of the T-nut to fix the position of the bearing. The transmission wheel connector is fixed inside the transmission wheel, and the transmission wheel drives the transmission wheel connector and the T-nut connected to it to rotate. The rotation of the T-nut drives the screw to move up and down in a linear motion.

[0010] In one embodiment, the T-nut connector includes a cage, a C-ring, and two deep groove bearings. The C-ring, the two deep groove bearings, and the cage are respectively disposed on the outer periphery of the T-nut, and one of the deep groove bearings is disposed at each of the upper and lower ends of the cage. The cage is used to fix the position of the two deep groove bearings, and the C-ring is located between one of the deep groove bearings to fix the position of the bearing.

[0011] In one embodiment, the upper end of the screw is connected and fixed to the lower end of a first bolt. The upper end of the first bolt is a bolt head. The first bolt passes through a countersunk hole in the lower connecting flange and is locked in a threaded hole at the upper end of the screw to fix the screw and the lower connecting flange as a whole, and the bolt head is fixedly connected to the countersunk hole of the lower connecting flange. The fixing base of the T-shaped connector uses a second bolt to pass through the bottom of the cylinder power source and is locked in the threaded hole of the fixing base to connect and fix the cylinder power source to the fixing base.

[0012] In one embodiment, at least one fixing screw is sequentially inserted into a corresponding through hole of the drive wheel, the drive wheel connector, and the T-nut to fix the drive wheel connector and the T-nut together.

[0013] The present invention also provides a lifting device for raising a raised floor, comprising: four lifting mechanisms, two first support plates and two second support plates, a belt, and a drive motor. The four lifting mechanisms are respectively supported at the four corners of the raised floor, each comprising a fast-lifting module and a slow-lifting module. Each fast-lifting module includes a screw and a drive wheel. The two ends of the first support plates are respectively connected to the second support plates, and the lower ends of the screws of the four lifting mechanisms are respectively fixed to the two ends of the first support plates. The belt is wound around the corresponding drive wheels of the four lifting mechanisms and the drive motor to form a synchronous drive mechanism. The drive motor drives the four lifting mechanisms to move along a lifting direction, thereby moving the raised floor along the lifting direction.

[0014] In one embodiment, each slow lifting module is fixed above a corresponding fast lifting module, and each slow lifting module and the corresponding fast lifting module are raised and lowered synchronously.

[0015] In one embodiment, the rapid lifting module includes a T-nut connector and a connecting flange. The T-nut connector includes a T-nut, at least one bearing, a nut, and a drive wheel connector. The T-nut can be fixed together with the drive wheel and rotate synchronously through the drive wheel connector. The connecting flange includes an upper connecting flange and a lower connecting flange. The upper connecting flange is connected to the lower connecting flange. One upper end of the screw is fixed to the lower connecting flange. The lower end of the screw is sequentially inserted through the nut, the T-nut, at least one bearing, the drive wheel connector, and the drive wheel.

[0016] In one embodiment, the slow lifting module includes a cylinder power source and a contact block. The cylinder power source includes a cylinder body and a piston. The piston can move within the cylinder body. The contact block is fixed to a top of the piston, so that the cylinder power source slowly raises and lowers the contact block to adjust the height of the contact block. The two ends of the T-shaped connector are respectively connected and fixed to the upper connecting flange and the bottom of the cylinder body.

[0017] In one embodiment, the cylinder power source includes at least one intake and exhaust port and a plurality of fixing rods. The cylinder body is provided with the at least one intake and exhaust port. The piston includes a protruding end that is connected to the top. One end of each of the fixing rods passes through the cylinder body, and the other end of each fixing rod is connected to the top, so that the piston and the fixing rods can be linked to the contact block.

[0018] In one embodiment, the T-nut connector includes a bearing housing, the bearing being housed inside the bearing housing, the bearing being located between the T-nut and the bearing housing, a nut being locked to the upper end of the T-nut to fix the position of the bearing, and a drive wheel connector being fixed inside the drive wheel, the drive wheel driving the drive wheel connector and the T-nut connected to it to rotate, the T-nut being able to drive the screw to move up and down linearly by rotation.

[0019] In one embodiment, the T-nut connector includes a retainer, a C-ring, and two deep groove bearings. The C-ring, the two deep groove bearings, and the retainer are respectively disposed on the outer periphery of the T-nut. A deep groove bearing is disposed at each of the upper and lower ends of the retainer to fix the position of the two deep groove bearings. The C-ring is located between one of the deep groove bearings to fix the position of the bearing.

[0020] In one embodiment, the upper end of the screw is connected and fixed to the lower end of a first bolt. The upper end of the first bolt is a bolt head, which passes through a countersunk hole in the lower connecting flange and is locked in a threaded hole at the upper end of the screw, so as to fix the screw and the lower connecting flange as a whole, and the bolt head is fixedly connected to the countersunk hole of the lower connecting flange. The fixing base of the T-shaped connector uses a second bolt to pass through the bottom of the cylinder power source and is locked in the threaded hole of the fixing base, so as to connect and fix the cylinder power source to the fixing base.

[0021] In one embodiment, at least one fixing screw is sequentially inserted into a corresponding through hole of the drive wheel connector and the T-nut to fix the drive wheel connector and the T-nut together.

[0022] Based on the above, the lifting mechanism of the present invention has two independent fast lifting modules and slow lifting modules. In addition to being able to quickly lift to a predetermined height through the fast lifting module, it can also compensate for fitting errors through air pressure regulation of the slow lifting module.

[0023] Furthermore, the present invention uses the lifting device of the raised floor to form a synchronous drive mechanism for the four lifting mechanisms to perform lifting actions synchronously, so that the raised floor can be raised or lowered to a predetermined position, thus avoiding the generation of positional differences in the upward movement of the four lifting mechanisms.

[0024] To make the present invention more apparent and understandable, specific embodiments are described below, and detailed descriptions are provided in conjunction with the accompanying drawings. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of an embodiment of the lifting mechanism according to the present invention in the lifting position.

[0026] Figure 2 This is a schematic diagram of an embodiment of the lifting mechanism according to the present invention at the origin position.

[0027] Figure 3A This is an exploded view of the corresponding components in the cross-sectional schematic diagram of the lifting mechanism according to the present invention.

[0028] Figure 3B This is an exploded view of the lower connecting flange and screw according to the present invention.

[0029] Figure 4 This is a cross-sectional schematic diagram of an embodiment of the lifting mechanism according to the present invention in the lifting position.

[0030] Figure 5 This is a cross-sectional schematic diagram of an embodiment of the lifting mechanism according to the present invention at the origin position.

[0031] Figure 6 This is a perspective view of an embodiment of a raised floor lifting device according to the present invention.

[0032] Figure 7 This is a schematic diagram of an embodiment of the lifting device for raised floor according to the present invention in the raised position.

[0033] Figure 8 This is a schematic diagram of an embodiment of the lifting device for raised floor according to the present invention at the origin position.

[0034] Explanation of reference numerals in the attached drawings: 40 - Raised floor; 42 - Ceiling panel; 54 - Lifting device for raised floor; 542 - Belt; 544 - First support plate; 545 - Second support plate; 100 - Lifting mechanism; 111 - Gasket; 111A - Perforation; 132 - Cylinder body; 134 - Piston; 134A - Protruding end; 134B - Top; 135 - Perforation; 136 - Inlet and outlet ports; 137 - Fixing rod; 142 - Extended end; 143 - Second bolt; 145 - First bolt; 146 - Bolt head; 148 - Fixed base; 149 - Screw hole; 151 - Drive wheel; 152 - Drive wheel connector; 153 - T-nut; 154 - Bearing housing; 15 5-Bearing; 156-Nut; 157-Cage; 158-C-ring; 159-Deep groove bearing; 161-Lower connecting flange; 161A-Counterhead hole; 162-Upper connecting flange; D1, D2, D3, D4-Slow lifting module; D11-Cylinder power source; D12-Contact block; E1-T-type connector; G1, G2, G3, G4-Fast lifting module; G11-T-type nut connector; G12-Connecting flange; G13-Screw; H1, H2, H3, H4-Through hole; SC-Fixing screw; GM-Drive motor; LB-Lifting direction; P1, P11, P12-Lifting position; P2, P21, P22-Original position. Detailed Implementation

[0035] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings and examples. These examples are only used to more clearly illustrate the technical solutions of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0036] It should be noted that in the descriptions of the various embodiments, the terms "first" and "second" are used to describe different elements, and these elements are not limited by such prepositions. Furthermore, for ease of explanation and clarity, the thickness or dimensions of the elements in the drawings are exaggerated, omitted, or approximated to facilitate understanding and reading by those skilled in the art. The dimensions of the elements are not their actual dimensions and are not intended to limit the implementation of the invention; therefore, they have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, without affecting the effects and objectives achieved by the invention, should still fall within the scope of the technical content disclosed in this invention.

[0037] The following description provides detailed examples and accompanying drawings, but these examples are not intended to limit the scope of the invention. Furthermore, the drawings are for illustrative purposes only and are not drawn to scale. For ease of understanding, the same elements will be designated with the same symbols in the following description.

[0038] The terms "including", "comprising", "having", etc., used in this invention are all open-ended terms, meaning "including but not limited to".

[0039] In the description of the various embodiments, when the terms "first," "second," "third," "fourth," etc. are used to describe elements, they are only used to distinguish these elements from each other and do not limit the order or importance of these elements.

[0040] In the description of the various embodiments, the term "coupled" or "connected" may refer to two or more elements making direct physical or electrical contact with each other, or making indirect physical or electrical contact with each other. "Coupled" or "connected" may also refer to two or more elements operating or moving with each other.

[0041] In the description of the various embodiments, the term "module" refers to a hardware module, that is, a hardware component that occupies space. In other embodiments, the term "module" may also refer to a hardware module plus a software module, that is, a "module" has software programs in addition to hardware components.

[0042] In the descriptions of the various embodiments, the term "Fast Lifting Module" is generally defined as a mechanical module designed to perform lifting operations quickly and efficiently. Compared to conventional lifting systems, fast lifting modules can complete lifting movements in a shorter time and are typically used in applications requiring the lifting or repositioning of objects within a short period of time.

[0043] In the descriptions of the various embodiments, the so-called "slow lifting module" is a mechanical module designed for slower and more stable lifting operations. These modules are typically used in applications with specific requirements for lifting speed, especially in situations where more precise control or protection of objects from impacts is needed. Compared to fast lifting modules, slow lifting modules have slower lifting speeds, which helps improve stability and avoids potential damage to objects or equipment from excessively rapid movements.

[0044] In the description of the various embodiments, the term "T-shape" refers to a structure or form shaped like the letter "T". A T-shaped structure consists of two parts: a vertical, elongated section (called the main body or beam) and a horizontal section (called a crossbar or beam) that connects vertically to it. This shape, resembling the letter "T", is often used to describe supporting frames or connecting components because this shape provides strong structural stability.

[0045] In the description of the various embodiments, the so-called "drive wheel" is a wheel used in a mechanical system to transmit power and motion. It can transmit power to other components through friction, gear transmission or belts to realize the operation of mechanical equipment.

[0046] In the description of the various embodiments, the so-called "connecting flange" is a mechanical element used to connect two components together. Connecting flanges are typically composed of circular or polygonal metal plates (flanges) and are fixed between two flanges by means of bolts, screws, welding, etc., thereby achieving a structural connection.

[0047] In the description of the various embodiments, the term "cylinder power source" refers to a device that uses pneumatic or hydraulic systems to drive the movement of a piston. Cylinders typically serve as power conversion elements in mechanical systems, converting the energy of compressed gas or liquid into linear motion.

[0048] Figure 1 This is a schematic diagram of an embodiment of the lifting mechanism according to the present invention in the lifting position. Figure 2 This is a schematic diagram of an embodiment of the lifting mechanism according to the present invention at the origin position. Figure 3A This is an exploded view of the corresponding components in the cross-sectional schematic diagram of the lifting mechanism according to the present invention. Figure 3B The following is an exploded view of the lower connecting flange and bolt according to the present invention, wherein the lower connecting flange is shown in partial cross-section. Figure 4 This is a cross-sectional schematic diagram of an embodiment of the lifting mechanism according to the present invention in the lifting position. Figure 5 This is a cross-sectional schematic diagram of an embodiment of the lifting mechanism according to the present invention at the origin position. Please refer to... Figures 1 to 5 As shown. The lifting mechanism 100 includes a fast lifting module G1, a slow lifting module D1, and a T-shaped connector E1. The lifting mechanism 100 includes two independent lifting modes: a fast lifting module G1 and a slow lifting module D1. The fast lifting module G1 can quickly lift to a predetermined height. The slow lifting module D1 is fixed above the fast lifting module G1, and the slow lifting module D1 lifts and lowers synchronously with the fast lifting module. The fast lifting module G1 includes a T-shaped nut connector G11, a connecting flange G12, and a screw G13. The slow lifting module D1 includes a cylinder power source D11 and a contact block D12.

[0049] The T-nut connector G11 includes a drive wheel 151, a drive wheel connector 152, a T-nut 153, a bearing housing 154, at least one bearing 155, a nut 156, a retainer 157, a C-ring 158, and two deep groove bearings 159. The number of bearings 155 can be adjusted according to the structural configuration.

[0050] A transmission wheel connector 152 is provided inside the transmission wheel 151. One side of the T-nut 153 is connected to the transmission wheel connector 152. The T-nut 153 can be fixed together with the transmission wheel 151 and rotate synchronously through the transmission wheel connector 152.

[0051] In one embodiment, a T-nut 153 is placed inside the bearing housing 154. The T-nut 153 is an elongated through-hole with an external thread at its upper end, and its lower end is connected and fixed to the drive wheel 151 for rotation. For example, when assembling the T-nut connector G11, the shaft of the drive wheel connector 152 is first fitted into the central hole of the drive wheel 151, and the shaft of the T-nut 153 is fitted upwards into the central hole of the bearing housing 154. Then, at least one fixing screw SC is sequentially inserted into the through hole H1 of the drive wheel 151, the through hole H2 of the drive wheel connector 152, and the through hole H3 of the T-nut 153 to lock the drive wheel 151, the drive wheel connector 152, and the T-nut 153 into a single unit, thereby connecting and fixing the drive wheel 151 and the T-nut 153 into a single unit.

[0052] The bearing housing 154 houses the bearing 155, which is located between the T-nut 153 and the bearing housing 154. The nut 156 is locked onto the external thread at the upper end of the T-nut 153 to fix the position of the bearing 155.

[0053] A C-ring clip 158, two deep groove bearings 159, and a retainer 157 are inserted around the outer periphery of the T-nut 153. A deep groove bearing 159 is positioned at each of the upper and lower ends of the retainer 157, which secures the positions of the two deep groove bearings 159. The C-ring clip 158, also known as a circlip or retainer, is an elastic fastener used to secure parts or bearings within a shaft or hole. It typically has a C-shaped or nearly circular structure with openings at both ends. After installation, its elastic force firmly secures the parts in a predetermined position. In this embodiment, the C-ring clip 158 is located between a deep groove bearing 159 and a bearing 155 to reinforce and secure the position of the bearing 155.

[0054] It should be noted that the Deep Groove Ball Bearing 159 is a type of rolling bearing, characterized by deep, rounded grooves in the raceways of its inner and outer rings, which can withstand radial loads and a certain amount of axial loads.

[0055] The connecting flange G12 includes a lower connecting flange 161 and an upper connecting flange 162 connected to the lower connecting flange 161, with the upper connecting flange 162 positioned above the lower connecting flange 161. In one embodiment, bolts (not shown) are used to pass through the through hole H4 to lock the upper connecting flange 162 and the lower connecting flange 161 together.

[0056] The upper end of the screw G13 is fixed to the lower connecting flange 161, and the lower end of the screw G13 is sequentially threaded through the nut 156, the T-nut 153, the bearing 155, the drive wheel connector 152, and the drive wheel 151. A first bolt 145 and a bolt head 146 are provided above the T-nut connector G11. In one embodiment, the screw G13 includes an extended end 142, and a T-shaped connector E1 is disposed above the extended end 142. The extended end 142 is the upper end of the screw G13. The upper end of the screw G13 is connected and fixed to the lower end of the first bolt 145. The upper end of the first bolt 145 is a bolt head 146. The first bolt 145 passes through a countersink hole 161A of the lower connecting flange 161 and is locked in the screw hole at the upper end of the screw G13 to fix the screw G13 and the lower connecting flange 161 into one unit, and the bolt head 146 is fixedly connected to the countersink hole 161A of the lower connecting flange 161. Therefore, the first bolt 145 is fixed to the lower connecting flange 161 by the bolt head 146 at the upper end of the first bolt 145, and the protruding end 142 of the screw G13 is fixed to the lower connecting flange 161 by the first bolt 145. The first bolt 145 and its bolt head 146 are integrally formed into a bolt. Other fasteners can also be used to replace the first bolt 145 and its bolt head 146. The present invention uses a first bolt 145 for fixing.

[0057] In one embodiment, such as Figure 3B As shown, a countersunk hole 161A is provided inside the lower connecting flange 161. The first bolt 145 passes through and is located in the countersunk hole 161A. The countersunk hole 161A is a hole machined into the material surface. Its characteristic is that there is a tapered enlargement at the opening to accommodate the head of the countersunk screw (such as the first bolt 145), so that the head of the first bolt 145 can be flush with or slightly lower than the surface of the lower connecting flange 161. The design of the countersunk hole 161A is mainly for aesthetics and functionality. For example, it avoids the head of the first bolt 145 from protruding, which would affect the flatness or aesthetics of the lower connecting flange 161. In addition, the lower connecting flange 161 with a flat upper surface can be connected and fixed together with the upper connecting flange 162.

[0058] The screw G13 is sequentially threaded through the nut 156, the T-nut 153, and the drive wheel connector 152 on the drive wheel 151. The aforementioned T-nut connector G11, connecting flange G12, and screw G13 constitute a fast lifting module G1. The slow lifting module D1 includes a cylinder power source D11 and a contact block D12, with the contact block D12 connected to the cylinder power source D11.

[0059] One end of the T-connector E1 is connected to the upper connecting flange 162, and the other end of the T-connector E1 is provided with a fixed base 148. The upper connecting flange 162 and the fixed base 148 at both ends of the T-connector E1 are respectively connected to and fixed the fast lifting module G1 and the slow lifting module D1. That is, one end of the T-connector E1 is connected and fixed to the fast lifting module G1 through the upper connecting flange 162, and the other end of the T-connector E1 is connected and fixed to the slow lifting module D1 through the fixed base 148.

[0060] One end of the T-shaped connector E1 is provided with a fixed base 148, and the other end of the T-shaped connector E1 is connected to an upper connecting flange 162. A second bolt 143 is connected to the fixed base 148. The upper end of the T-shaped connector E1 is a fixed base 148. The lower end of the T-shaped connector E1 is an upper connecting flange 162. The upper end of the T-shaped connector E1 is connected and fixed to the bottom of the cylinder power source D11 by the second bolt 143 and the fixed base 148. The second bolt 143 is fixed in the same way as the first bolt 145, that is, the fixed base 148 of the T-shaped connector E1 is provided with a second bolt 143, which is inserted into the bottom of the cylinder power source D11 and locked in the screw hole of the fixed base 148 to connect and fix the cylinder power source D11 to the fixed base 148. Therefore, the bottom of the cylinder power source D11 is connected and fixed to the fixed base 148 at the upper end of the T-shaped connector E1 by the second bolt 143, so that the connecting flanges 162 and the fixed base 148 at both ends of the T-shaped connector E1 are respectively connected and fixed to the fast lifting module G1 and the slow lifting module D1. Other fasteners can also be used instead of the second bolt 143, but the present invention uses the second bolt 143 for fixing.

[0061] When the drive transmission wheel 151 rotates, it synchronously drives the transmission wheel connector 152 inside the transmission wheel 151 and the T-nut 153 connected to it to rotate. The T-nut 153 is fixed inside the transmission wheel 151. When the T-nut 153 rotates, because the screw hole 149 at the bottom end of the screw G13 uses a screw (not shown), it can be fixed to both ends of the first support plate 544 (e.g., Figures 6 to 8As shown), the bottom end of the screw G13 is fixed, preventing it from rotating. The T-nut 153 drives the screw G13 to move vertically. This vertical linear motion (or vertical movement) refers to the movement of the screw G13 along a straight line in the vertical direction. The direction of movement of the screw G13 is up and down, and the movement is along a straight line. Figure 1 or Figure 4 The lifting position P11 shown drives the slow lifting module D1 and its connected contact block D12 to raise its height. The transmission wheel 151 drives the transmission wheel connector 152 and its connected T-nut 153 to rotate, thereby quickly driving the screw G13 to rise linearly, that is, converting the rotational motion into linear motion to quickly achieve the purpose of lifting.

[0062] Conversely, such as Figure 2 or Figure 5 As shown, the T-nut 153 connected to the aforementioned transmission wheel 151 and transmission wheel connector 152 can rotate in the opposite direction, causing the protruding end 142 of the screw G13 and its pivotally connected connecting flange G12 to return to their original positions. Figure 2 or Figure 4 The origin position P21 shown is used to drive the slow lifting module D1 and its connected contact block D12 to reset or lower back to their height position.

[0063] The cylinder power source D11 includes a cylinder body 132, a piston 134, at least one through hole 135, at least one intake and exhaust port 136, and multiple fixed rods 137. The piston 134 can move within the cylinder body 132. The piston 134 includes a protruding end 134A and a top 134B. The protruding end 134A is connected to the top 134B, and the top 134B is fixed to the bottom of the contact block D12, so that the cylinder power source D11 slowly raises and lowers the corresponding contact block D12 to adjust the height of the contact block D12. One end of the fixed rod 137 passes through the cylinder body 132, and the other end of the fixed rod 137 is connected to the top 134B, so that the piston 134 can evenly and balancedly lift the contact block D12 on the multiple fixed rods 137 to make slow up and down movements, and can move in conjunction with the fixed rods 137 to the contact block D12.

[0064] In one embodiment, the cylinder body 132 is fixed to the bottom of the cylinder body 132 by a bolt (not shown) passing through a through hole 135, and at least one intake and exhaust hole 136 is provided on the cylinder body 132.

[0065] The aforementioned cylinder power source D11, contact block D12, and T-shaped connector E1 constitute a slow-speed lifting module D1. Utilizing the controllability of the air pressure in the cylinder power source D11, the cylinder power source D11 drives the contact block D12 to move, allowing the piston 134 to move within the cylinder body 132. This enables the protruding end 134A of the piston 134 and its connected top 134B to drive the contact block D12 to slide on the fixed rod 137, thereby changing its height position and raising it to the desired height. Figure 1 or Figure 4 The lifting position P12, or the protruding end 134A of the piston 134, can drive the contact block D12 to change its height position to reset or lower it as shown. Figure 2 or Figure 5 The origin point is located at P22.

[0066] In one embodiment, the lifting mechanism 100 includes a gasket 111 disposed on the contact block D12. The contact block D12 is secured to the gasket 111 by a bolt (not shown) passing through a through hole 111A.

[0067] Therefore, the lifting mechanism 100 can include two independent lifting modes: a fast lifting module G1 and a slow lifting module D1. The function of the slow lifting module D1 of the present invention is to supplement the fast lifting module G1. It can accommodate gaps caused by the assembly of components or tolerances caused by measuring tools. Since the cylinder output can be adjusted according to the weight of the object being lifted, and by utilizing air pressure regulation control and the limited unlimited position function of the cylinder, the object being lifted can be lifted with the most appropriate force, so that the object being lifted is completely in contact with the surface of another object.

[0068] Figure 6 This is a perspective view of an embodiment of a raised floor lifting device according to the present invention. Figure 7 This is a schematic diagram of an embodiment of the lifting device for raised floor according to the present invention in the raised position. Figure 8 This is a schematic diagram of an embodiment of the lifting device for a raised floor according to the present invention at the origin position. Please refer to... Figures 6 to 8 ,in Figures 6 to 8 The fast lifting modules G1, G2, G3, G4 and the slow lifting modules D1, D2, D3, D4 are related to... Figures 1 to 5 The fast lifting module G1 has the same mechanism as the slow lifting module D1.

[0069] Figure 1 , Figure 4 The lifting position P1 of the lifting mechanism 100 can correspond to Figure 7 The lifting position P1 of the lifting mechanism 100 in the middle can correspond to Figure 7The lifting mechanism 100 in the middle has a lifting position P1 including the lifting positions P11 of the fast lifting modules G1, G2, G3, and G4 and the lifting positions P12 of the slow lifting modules D1, D2, D3, and D4. Figure 2 , Figure 5 The origin position P2 can be mapped to Figure 8 The lifting mechanism 100 has an origin position P2 that includes the origin positions P21 of the fast lifting modules G1, G2, G3, and G4, and the origin positions P22 of the slow lifting modules D1, D2, D3, and D4.

[0070] The lifting device 54 of the raised floor of the present invention is used to lift the raised floor 40. The lifting device 54 includes four lifting mechanisms 100 and a drive motor GM. The lifting mechanisms 100 are used to carry and lift the raised floor 40, and the drive motor GM is used to drive the four lifting mechanisms 100 to move along the lifting direction LB, so as to move the raised floor 40 along the lifting direction LB.

[0071] It should be noted that the raised floor 40 of the present invention has a rectangular shape, and the dimensions of the raised floor 40 of the present invention are, for example, 600mm×600mm×60mm, and it is made of, for example, die-cast aluminum alloy.

[0072] Since the four lifting mechanisms 100 are supported at the four corners of the raised floor 40, they can be raised and lowered smoothly. In other embodiments, each of the four lifting mechanisms 100 may have its own drive mechanism, which, by setting the torque, can simultaneously lift the four lifting mechanisms 100 to a predetermined position.

[0073] In one embodiment, the lifting device 54 of the raised floor of the present invention includes four lifting mechanisms 100, a drive motor GM, a belt 542, two first support plates 544 and two second support plates 545. The two ends of the two first support plates 544 are respectively connected to the two second support plates 545. The two first support plates 544 and the two second support plates 545 are connected to form a square frame, and move synchronously upward and downward in a linear motion with four screws G13, so that the screws G13 in the four lifting mechanisms 100 can synchronously drive the contact blocks D12 of the lifting device 54 of the raised floor to contact each other synchronously at the four corners of the raised floor.

[0074] A drive motor GM is fixed between two of the lifting mechanisms 100. A belt 542 is wound around the drive pulleys 151 of the four lifting mechanisms 100 and the drive motor GM to form a synchronous drive mechanism. In this way, the drive motor GM can drive the belt 542 to rotate, and the belt 542 can drive the drive pulleys 151 of each lifting mechanism 100, so that the contact block D12 of each lifting mechanism 100 can perform a lifting action. Since these four lifting mechanisms 100 are driven by the same drive source (drive motor GM) and transmission structure (belt 542) to perform lifting actions synchronously, the contact block D12 can be raised or lowered to a predetermined position, thus avoiding the generation of positional differences in the upward movement of these four lifting mechanisms 100.

[0075] In one embodiment, the lifting mechanism 100 may include two independent lifting modes: a fast lifting module G1, G2, G3, G4 and a slow lifting module D1, D2, D3, D4. Besides synchronously executing the lifting actions of these four lifting mechanisms 100, the fast lifting modules G1, G2, G3, G4 can simultaneously and rapidly raise the height of these four lifting mechanisms 100. Furthermore, the slow lifting modules D1, D2, D3, D4 can supplement the fast lifting modules G1, G2, G3, G4 to enhance the fit to the four corners of the raised floor.

[0076] Please continue reading. Figure 6 and Figure 7 As shown, each lifting mechanism 100 of the present invention has a fast lifting module G1, G2, G3, G4 connected to a slow lifting module D1, D2, D3, D4. The fast lifting module G1 includes a T-nut connector G11, a connecting flange G12, and a screw G13. One end of each of the four screws G13 is fixed to both ends of the first support plate 544. The aforementioned belt 542 drives the transmission wheel 151 to rotate, so as to synchronously drive the transmission wheel connector 152 inside the transmission wheel 151 and its connected T-nut 153 (e.g., ...). Figure 4 As shown, the screws G13 rotate. At this time, because the first support plate 544 and the second support plate 545 at the bottom of the four screws G13 are fixed ends, the screws G13 cannot be rotated. The transmission wheel 151 synchronously drives the transmission wheel connector 152 and its connected T-nut 153 to rotate. The T-nut 153 can drive the screws G13 to make up-down linear motion, as shown. Figure 6The lifting position P11 shown drives the slow lifting modules D1, D2, D3, and D4 and their connected contact block D12 to raise their height, thereby raising the raised floor 40 to its height position. The transmission wheel 151 synchronously drives the transmission wheel connector 152 and its connected T-nut 153 to rotate. The T-nut 153 drives the screw G13 to move vertically, rapidly driving the screw G13 to rise linearly. In other words, the rotational motion of the T-nut 153 is converted into the linear motion of the screw G13 to quickly achieve the raised position. In conjunction with the aforementioned method of simultaneously driving these four lifting mechanisms 100 through a single power source (drive motor GM), the elevated floor 40 is raised to a predetermined height in a synchronized and rapid manner. This avoids positional differences caused by the different rising positions of the four lifting mechanisms 100, thereby ensuring that all four corners of the elevated floor 40 can be raised smoothly by these four lifting mechanisms 100, avoiding height differences at the four corners of the elevated floor 40, and preventing the elevated floor 40 from slipping during the lifting process.

[0077] Conversely, such as Figure 7 As shown, it can be used in conjunction with the aforementioned transmission wheel 151 to synchronously drive the transmission wheel connector 152 and its connected T-nut 153 to rotate in the opposite direction, so that the protruding end 142 of the screw G13 and its pivotally connected connecting flange G12 are reset to the position shown. Figure 7 The origin position P21 shown is used to drive the slow lifting modules D1, D2, D3, D4 and their connected contact block D12 to reset to their height position.

[0078] In addition to the aforementioned rapid lifting modules G1, G2, G3, and G4, the slow lifting modules D1, D2, D3, and D4 of this invention include a cylinder power source D11, a contact block D12, and a T-shaped connector E1. Both ends of the T-shaped connector E1 are respectively connected and fixed to the upper connecting flange 162 and the cylinder power source D11, that is, connected to the rapid lifting module G1 via the T-shaped connector E1. The cylinder power source D11 is connected to the contact block D12, and a gasket 111 is fixed to the contact block D12. The other end of the cylinder power source D11 is connected to the rapid lifting modules G1, G2, G3, and G4. The function of the slow lifting modules D1, D2, D3, and D4 of this invention is to compensate for the shortcomings of the fast lifting modules G1, G2, G3, and G4. These shortcomings stem from gaps created during assembly between components, thickness tolerances during machining of the four corners of the raised floor 40, and various other factors, including but not limited to measuring tools, which prevent the four corner surfaces of the raised floor 40 from fully adhering to the object. Utilizing the controllability of the air pressure in the cylinder power source D11, the cylinder power source D11 drives the contact block D12 to move, thereby adjusting the height of the raised floor 40.

[0079] Because the cylinder output can be adjusted according to the weight of the raised floor 40, and by utilizing air pressure regulation control and the cylinder's limited unlimited position function, the raised floor 40 can be lifted with the most appropriate force so that the four corner surfaces of the raised floor 40 are completely in contact with the object, thereby achieving the effectiveness and accuracy of the flatness measurement value.

[0080] In summary, the lifting mechanism of the present invention has two independent fast lifting modules and slow lifting modules. In addition to being able to quickly raise the predetermined height through the fast lifting module, it can also compensate for fitting errors through air pressure regulation of the slow lifting module.

[0081] Furthermore, the present invention uses the lifting device of the raised floor to form a synchronous drive mechanism for the four lifting mechanisms to perform lifting actions synchronously, so that the raised floor can be raised or lowered to a predetermined position, thus avoiding the generation of positional differences in the upward movement of the four lifting mechanisms.

[0082] While some embodiments of the present invention have been disclosed above by the embodiments, they are not intended to limit the present invention. Any person skilled in the art should be able to make some modifications and refinements without departing from the spirit and scope of the present invention, and all such modifications and refinements shall fall within the protection scope of the present invention.

Claims

1. A lifting mechanism, characterized in that, include: A rapid lifting module that can quickly raise a predetermined height includes: A T-nut connector includes a T-nut, at least one bearing, a nut, a drive wheel connector, and a drive wheel. The T-nut can be fixed together with the drive wheel and rotate synchronously by means of the drive wheel connector. A connecting flange, comprising an upper connecting flange and a lower connecting flange, the upper connecting flange being connected to the lower connecting flange; and A screw, the upper end of which is fixed to the lower connecting flange, and the lower end of which is sequentially inserted through the nut, the T-nut, the at least one bearing, the drive wheel connector, and the drive wheel; and A slow-lifting module is fixed above the fast-lifting module. The slow-lifting module rises and falls synchronously with the fast-lifting module. The slow-lifting module includes: A single-cylinder power source includes a cylinder body and a piston that can move within the cylinder body; and A contact block, fixed to one top of the piston, allows the cylinder power source to slowly raise and lower the contact block to adjust its height; and A T-shaped connector has one end connected to the upper connecting flange and the other end of the T-shaped connector provided with a fixed base. The upper connecting flanges at both ends of the T-shaped connector and the fixed base are respectively connected to and fixed the fast lifting module and the slow lifting module.

2. The lifting mechanism as described in claim 1, characterized in that: The cylinder power source includes at least one intake and exhaust port and multiple fixing rods. The cylinder body is provided with the at least one intake and exhaust port. The piston includes a protruding end that is connected to the top. One end of each of the multiple fixing rods passes through the cylinder body, and the other end of each of the multiple fixing rods is connected to the top, so that the piston and the multiple fixing rods can move together with the contact block.

3. The lifting mechanism as described in claim 1, characterized in that: The T-nut connector includes a bearing housing, which houses the bearing. The bearing is located between the T-nut and the bearing housing. A nut is locked to the upper end of the T-nut to fix the position of the bearing. A drive wheel connector is fixed inside the drive wheel. The drive wheel drives the drive wheel connector and the T-nut connected to it to rotate. The rotation of the T-nut drives the screw to move up and down in a linear motion.

4. The lifting mechanism as described in claim 3, characterized in that: The T-nut connector includes a cage, a C-ring, and two deep groove bearings. The C-ring, the two deep groove bearings, and the cage are respectively installed on the outer periphery of the T-nut. A deep groove bearing is installed at each of the upper and lower ends of the cage to fix the position of the two deep groove bearings. The C-ring is located between one of the deep groove bearings to fix the position of the bearing.

5. The lifting mechanism as described in claim 1, characterized in that: The upper end of the screw is connected and fixed to the lower end of a first bolt. The upper end of the first bolt is a bolt head. The first bolt passes through a countersunk hole in the lower connecting flange and is locked in a threaded hole at the upper end of the screw to fix the screw and the lower connecting flange as a whole. The bolt head is fixedly connected to the countersunk hole in the lower connecting flange. The fixing base of the T-shaped connector uses a second bolt to pass through the bottom of the cylinder power source and is locked in a threaded hole in the fixing base to connect and fix the cylinder power source to the fixing base.

6. The lifting mechanism as described in claim 1, characterized in that: The drive wheel and the T-nut are fixed together by passing at least one fixing screw sequentially through a corresponding hole in the drive wheel, the drive wheel connector and the T-nut.

7. A lifting device for raising a raised floor, characterized in that, The lifting device for the raised floor includes: Four lifting mechanisms are used to support the four corners of the elevated floor. Each of the four lifting mechanisms includes a fast lifting module and a slow lifting module. Each fast lifting module includes a screw and a drive wheel. Two first support plates and two second support plates, with the two ends of the two first support plates respectively connected to the two second support plates to form a square frame, wherein the lower ends of the four screws of the lifting mechanism are respectively fixed to the two ends of the two first support plates; A belt; and A drive motor, wherein the belt is wound around the corresponding drive pulleys of the four lifting mechanisms and the drive motor to form a synchronous drive mechanism, the drive motor driving the four lifting mechanisms to move along a lifting direction to move the raised floor along the lifting direction.

8. The lifting device for raised floor as described in claim 7, characterized in that: Each slow lifting module is fixed above the corresponding fast lifting module, and each slow lifting module and the corresponding fast lifting module are raised and lowered synchronously.

9. The lifting device for raised floor as described in claim 8, characterized in that: Each of the rapid lifting modules includes a T-nut connector and a connecting flange. The T-nut connector includes a T-nut, at least one bearing, a nut, and a drive wheel connector. The T-nut can be fixed together with the drive wheel and rotate synchronously through the drive wheel connector. The connecting flange includes an upper connecting flange and a lower connecting flange. The upper connecting flange is connected to the lower connecting flange. The upper end of the screw is fixed to the lower connecting flange. The lower end of the screw passes through the nut, the T-nut, the bearing, the drive wheel connector, and the drive wheel in sequence.

10. The lifting device for raised floor as described in claim 9, characterized in that: Each of the four lifting mechanisms includes a T-shaped connector. Each slow-speed lifting module includes a cylinder power source and a contact block. Each cylinder power source includes a cylinder body and a piston. Each piston can move within the corresponding cylinder body. Each contact block is fixed to the top of the corresponding piston, so that each cylinder power source slowly raises and lowers the corresponding contact block to adjust the height of each contact block. The two ends of each T-shaped connector are respectively connected and fixed to the upper connecting flange and the bottom of the cylinder body.

11. The lifting device for raised floor as described in claim 10, characterized in that: The cylinder power source includes at least one intake and exhaust port and multiple fixing rods. The cylinder body is provided with the at least one intake and exhaust port. The piston includes a protruding end that is connected to the top. One end of each of the multiple fixing rods passes through the cylinder body, and the other end of each of the multiple fixing rods is connected to the top, so that the piston and the multiple fixing rods can move together with the contact block.

12. The lifting device for raised floor as described in claim 9, characterized in that: The T-nut connector includes a bearing housing, which houses the bearing. The bearing is located between the T-nut and the bearing housing. A nut is locked to the upper end of the T-nut to fix the position of the bearing. A drive wheel connector is fixed inside the drive wheel. The drive wheel drives the drive wheel connector and the T-nut connected to it to rotate. The rotation of the T-nut drives the screw to move up and down in a linear motion.

13. The lifting device for raised floor as described in claim 12, characterized in that: The T-nut connector includes a cage, a C-ring, and two deep groove bearings. The C-ring, the two deep groove bearings, and the cage are respectively installed on the outer periphery of the T-nut. A deep groove bearing is installed at each of the upper and lower ends of the cage to fix the position of the two deep groove bearings. The C-ring is located between one of the deep groove bearings to fix the position of the bearing.

14. The lifting device for raised floor as described in claim 10, characterized in that: The upper end of the screw is connected and fixed to the lower end of a first bolt. The upper end of the first bolt is a bolt head. The first bolt passes through a countersunk hole in the lower connecting flange and is locked in a threaded hole at the upper end of the screw to fix the screw and the lower connecting flange as a whole. The bolt head is fixedly connected to the countersunk hole of the lower connecting flange. A fixing base of the T-shaped connector is provided with a second bolt that passes through the bottom of the cylinder power source and is locked in a threaded hole of the fixing base to connect and fix the cylinder power source to the fixing base.

15. The lifting device for raised floor as described in claim 9, characterized in that: The drive wheel and the T-nut are fixed together by passing at least one fixing screw sequentially through a corresponding hole in the drive wheel, the drive wheel connector and the T-nut.

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