Quick-release platform lifting mechanism

Abstract

The utility model relates to a quick-release platform lifting mechanism which comprises a steel frame bearing platform, a lifting mechanism and a lifting mechanism. The unloading support is mounted on the bottom surface of the middle part of the steel frame bearing platform; the steel frame is mounted on the middle part of the steel frame bearing platform; the first hydraulic jack is arranged in the steel frame, the bottom of the first hydraulic jack is arranged on the middle part of the steel frame bearing platform, and the piston end of the first hydraulic jack is provided with the early-dismantling supporting steel column; the turbine screw lifters are mounted at four corners of the steel frame bearing platform; the lower ends of the lifting rods penetrate through the steel frame bearing platform and are provided with positioning feet; the driving wheel assemblies are installed at the four corners of the steel frame bearing platform and spaced from the lifting rods. According to the utility model, bending moment caused by middle load of the steel frame bearing platform can be resisted, so that the steel frame bearing platform is kept flat, the steel frame bearing platform can support the early-dismantling supporting steel column, and a stable truss platform can be conveniently built on the early-dismantling supporting steel column.

Description

Technical Field

[0001] This utility model relates to the field of building construction, and in particular to a quick-release platform lifting mechanism. Background Technology

[0002] For example, Chinese invention patent application publication number CN 112411980 A discloses a mobile construction platform, including a mobile seat, a height adjustment drive device, a lead screw, a construction platform, a rolling material moving roller frame, a pressure-sensitive personnel safety detection device, a human safety side baffle, and a protective canopy. The mobile seat has a control cavity, and the height adjustment drive device is located in the control cavity. The lead screw is rotatably mounted on the upper wall of the mobile seat. The construction platform has a screw hole, and the construction platform is mounted on the lead screw through the screw hole. The lead screw is threadedly connected to the screw hole. The upper wall of the construction platform has symmetrical sliding grooves, and the rolling material moving roller frame is slidably engaged in the sliding grooves. The pressure-sensitive personnel safety detection device is located on the construction platform. However, the middle part of the construction platform is prone to bending when bearing a large load and is not easy to keep flat. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a quick-release platform lifting mechanism, which is beneficial to resist the bending moment caused by the load in the middle of the steel frame support, keeps the steel frame support flat, and is beneficial to the steel frame support for the early-release support steel column, thereby facilitating the construction of a stable truss platform on the early-release support steel column.

[0004] To solve the above problems, a quick-release platform lifting mechanism is adopted, which includes:

[0005] The steel frame foundation is assembled using Bailey bridges;

[0006] The support is removed and installed on the bottom surface of the middle part of the steel frame foundation;

[0007] The steel frame is installed on the top of the middle of the steel frame support.

[0008] The first hydraulic jack is installed in the steel frame, with its bottom installed on the middle of the steel frame support platform, and its piston end is installed with the early dismantling support steel column.

[0009] The turbine screw jack is installed at the four corners of a steel frame support; the lower end of its lifting rod passes through the steel frame support and is fitted with positioning feet.

[0010] The drive wheel assembly is installed at the four corners of the steel frame platform and spaced apart from the lifting rod.

[0011] With this structure, the bottom surface of the middle part of the steel frame foundation is grounded by the unloading support. When the top truss formwork on the early support steel column is dismantled and concrete is poured, it is beneficial to transfer the load to the bottom surface and use the rigid ground to resist the bending moment in the middle of the steel frame foundation. When the turbine screw jack lifts the steel frame foundation, the drive wheel assembly is lifted off the ground to achieve positioning. When the turbine screw jack retracts, the drive wheel assembly is grounded, which facilitates the movement of the steel frame foundation.

[0012] As a further improvement of this utility model, the unloading support includes: a base plate, which is installed on the bottom surface of the steel frame support;

[0013] The upper support is installed under the base plate;

[0014] The lower support is spaced below the upper support.

[0015] T-slots are formed on the wedge-shaped surfaces of the upper and lower supports;

[0016] The left and right supports are slidably assembled between the upper and lower supports and slidably mounted on the left and right wedge-shaped surfaces of the upper and lower supports.

[0017] The T-shaped slider is fixed to the bottom surfaces of the left and right supports and is slidably adapted to the T-shaped groove.

[0018] The reaction frames are installed in pairs on the bottom surface of the steel frame foundation, and are spaced apart from the left and right supports respectively.

[0019] The second hydraulic jack is installed in pairs on the reaction frame, with the opposite piston ends facing the left and right supports respectively;

[0020] The jacking block is installed on the piston end of the second hydraulic jack;

[0021] The universal ball is installed on the front and back of the push block, and the universal ball installed on the front of the push block abuts against the left support and the right support.

[0022] The concave slide rail is installed on the back of the left and right supports and is inserted by the push block. The universal ball installed on the back of the push block abuts against the concave slide rail.

[0023] With this structure, the extension and retraction of the second hydraulic jack can drive the left and right supports to move along the wedge-shaped surfaces of the upper and lower supports, thereby lifting or removing the lower support so that it can move away from and contact the ground; in conjunction with the steel frame foundation, it transfers the central load of the steel frame foundation to the ground and simultaneously resists the central bending moment of the steel frame foundation.

[0024] As a further improvement of this utility model, a pad is installed on the bottom surface of the lower support.

[0025] With this structure, the pad helps to increase the stress-bearing area of ​​the rigid ground.

[0026] As a further improvement of this utility model, the concave slide rails are arranged side by side at intervals, and the piston end of the second hydraulic jack extends into the space between the two concave slide rails. The push block extends into the space between the concave slide rail and the left support, and between the concave slide rail and the right support.

[0027] With this structure, the second hydraulic jack can stably drive the left and right supports to move;

[0028] As a further improvement of this utility model, a transverse J-shaped fixing bracket is installed on the back of the concave slide rail. One end of the J-shaped fixing bracket is fixed to the back of the left and right supports, and the other end is fixed to the back of the concave slide rail.

[0029] This structure strengthens the concave slide rail and prevents it from bending.

[0030] As a further improvement of this utility model, a tripod is fixed at the corner of the J-shaped fixing bracket.

[0031] With this structure, the tripod helps to stabilize the corner parts.

[0032] As a further improvement of this utility model, the push block is a stepped frustum shape.

[0033] With this structure, the stepped frustum shape facilitates the installation of both front and back universal joints, providing sufficient installation space for both sides.

[0034] As a further improvement of this utility model, the drive wheel assembly includes a first base, a wheel rod rotatably mounted on the bottom surface of the first base, a wheel frame mounted on the bottom surface of the wheel rod, bearings mounted in the side plates of the wheel frame, an axle passing through the bearings, and a wheel fixedly connected to the axle; a second base is mounted on the outer side of one side plate of the wheel frame, a first reduction motor is mounted under the second base, and the output end of the first reduction motor is coaxially fixedly connected to the axle.

[0035] With this structure, the first geared motor drives the wheels to rotate, allowing the steel frame platform to move horizontally as a whole, which is beneficial for moving to the designated position.

[0036] As a further improvement of this utility model, a driven gear is fixedly sleeved on the wheel rod; the driven gear meshes with the driving gear; the driving gear is fixedly sleeved on the output end of the second geared motor, the second geared motor is mounted on the third base, and the third base is mounted on the bottom surface of the steel frame support.

[0037] With this structure, the wheels can be turned after the second geared motor is started.

[0038] This invention helps to resist the bending moment caused by the load in the middle of the steel frame foundation, keeping the steel frame foundation flat and facilitating the support of the early-removed support steel columns, thereby making it easier to build a stable truss platform on the early-removed support steel columns. Attached Figure Description

[0039] Figure 1 This is a schematic diagram of the structure of an embodiment.

[0040] Figure 2 This is a schematic diagram of the structure for removing the support.

[0041] Figure 3 This is a schematic diagram of the assembly of the second hydraulic jack and the concave slide rail.

[0042] Figure 4 For drive wheel assembly.

[0043] Figure 5 This is a schematic diagram showing the installation location of the second speed reducer.

[0044] Attached reference numerals: 1. Steel frame foundation; 101. Bailey bridge;

[0045] 2. Removal support; 201. Base plate; 202. Upper support; 203. Lower support; 204. T-slot; 205. Left support; 206. Right support; 207. T-slider; 208. Reaction frame; 209. Second hydraulic jack; 210. Push block; 211. Universal ball; 212. Concave slide rail; 213. Pad; 214. J-type fixing frame; 215. Triangular frame;

[0046] 3. Steel frame; 4. First hydraulic jack;

[0047] 5. Turbine screw jack; 501. Lifting rod; 502. Positioning foot;

[0048] 6. Drive wheel assembly; 601. First base; 602. Wheel shaft; 603. Wheel frame; 604. Side plate; 605. Bearing; 606. Axle; 607. Wheel; 608. Second base; 609. First geared motor; 610. Driven gear; 611. Drive gear; 612. Second geared motor; 613. Third base;

[0049] 7. Remove the supporting steel columns early. Detailed Implementation

[0050] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0051] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for 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 utility model. The terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0052] Example 1

[0053] like Figure 1 As shown, a quick-release platform lifting mechanism includes:

[0054] Steel frame foundation 1, which is assembled from Bailey bridge 101;

[0055] Remove support 2, which is installed on the bottom surface of the middle part of the steel frame base 1;

[0056] Steel frame 3 is installed on the upper part of the middle of steel frame support 1;

[0057] The first hydraulic jack 4 is installed in the steel frame 3, and its bottom is installed on the middle part of the steel frame support 1. The piston end of the jack is installed with the early dismantling support steel column 7.

[0058] The turbine screw jack 5 is installed at the four corners of the steel frame support 1; the lower end of its lifting rod 501 passes through the steel frame support 1 and is equipped with positioning feet 502.

[0059] The drive wheel assembly 6 is installed at the four corners of the steel frame support 1 and spaced apart from the lifting rod 501.

[0060] With this structure, the bottom surface of the middle part of the steel frame support 1 is grounded by the unloading support 2. When the top truss formwork on the early support steel column 7 is dismantled and concrete is poured, it is beneficial to transfer the load to the bottom surface and use the rigid ground to resist the bending moment in the middle of the steel frame support 1. When the turbine screw jack 5 lifts the steel frame support 1, the drive wheel assembly 6 is lifted off the ground to achieve positioning. When the turbine screw jack 5 retracts, the drive wheel assembly 6 is grounded, which facilitates the movement of the steel frame support 1.

[0061] In this embodiment, the unloading support 2 includes a base plate 201, which is installed on the bottom surface of the steel frame support 1;

[0062] The upper support 202 is mounted under the base plate 201;

[0063] The lower support 203 is spaced below the upper support 202.

[0064] T-slot 204 is formed on the wedge-shaped surfaces of the upper support 202 and the lower support 203;

[0065] Left support 205 and right support 206 are slidably assembled between upper support 202 and lower support 203, and are slidably installed on the left and right wedge-shaped surfaces of upper support 202 and lower support 203.

[0066] T-shaped slider 207 is fixed to the bottom surface of left support 205 and right support 206 and is slidably adapted to the T-shaped groove 204;

[0067] The reaction frame 208 is installed in pairs on the bottom surface of the steel frame support 1; and is spaced apart from the left support 205 and the right support 206 respectively;

[0068] The second hydraulic jack 209 is installed in pairs on the reaction frame 208, with the opposite piston ends facing the left support 205 and the right support 206 respectively.

[0069] The jacking block 210 is installed on the piston end of the second hydraulic jack 209;

[0070] The universal ball 211 is installed on the front and back of the push block 210. The universal ball 211 installed on the front of the push block 210 abuts against the left support 205 and the right support 206.

[0071] The concave slide rail 212 is installed on the back of the left support 205 and the right support 206, and is extended into by the push block 210. The universal ball 211 installed on the back of the push block 210 abuts against the concave slide rail 212.

[0072] With this structure, the extension and retraction of the second hydraulic jack can drive the left support 205 and the right support 206 to move along the wedge-shaped surfaces of the upper support 202 and the lower support 203, thereby lifting or removing the lower support 203 so that the lower support 203 can move away from and contact the ground; in conjunction with the steel frame pier 1, the central load of the steel frame pier 1 is transferred to the ground, and at the same time, it bears the role of resisting the central bending moment of the steel frame pier 1.

[0073] In this embodiment, a pad 213 is mounted on the bottom surface of the lower support 203.

[0074] With this structure, the pad 213 is beneficial to increasing the load-bearing area of ​​the rigid ground.

[0075] In this embodiment, the concave slide rails 212 are arranged side by side at intervals, and the piston end of the second hydraulic jack 209 extends into the space between the two concave slide rails 212. The push block 210 extends into the space between the concave slide rail 212 and the left support 205, and between the concave slide rail 212 and the right support 206.

[0076] With this structure, the second hydraulic jack 209 can stably drive the left support 205 and the right support 206 to move.

[0077] In this embodiment, a transverse J-shaped fixing bracket 214 is installed on the back of the concave slide rail 212. One end of the J-shaped fixing bracket 214 is fixed to the back of the left support 205 and the right support 206, and the other end is fixed to the back of the concave slide rail 212.

[0078] This structure strengthens the concave slide rail 212 and prevents it from bending.

[0079] In this embodiment, a tripod 215 is fixed at the corner of the J-shaped fixing bracket 214.

[0080] With this structure, the tripod 215 is better able to stabilize the corner parts.

[0081] In this embodiment, the push block 210 is a stepped frustum shape.

[0082] With this structure, the stepped frustum shape facilitates the installation of the front and back universal ball joints 211, providing sufficient installation space for the front and back universal ball joints 211.

[0083] In this embodiment, the drive wheel assembly includes a first base 601, a wheel rod 602 rotatably mounted on the bottom surface of the first base 601, a wheel frame 603 mounted on the bottom surface of the wheel rod 602, bearings 605 mounted in the side plates 604 of the wheel frame 603, an axle 606 passing through the bearings 605, and a wheel 607 fixedly mounted on the axle 606; a second base 608 is mounted on the outer side of one side plate 604 of the wheel frame 603, a first reduction motor 609 is mounted under the second base 608, and the output end of the first reduction motor 609 is coaxially fixedly connected to the axle 606.

[0084] With this structure, the first reduction motor 609 drives the wheel 607 to rotate, so that the steel frame support 1 can be moved horizontally as a whole, which is conducive to moving to the designated position.

[0085] In this embodiment, a driven gear 610 is fixedly sleeved on the wheel rod 602; the driven gear 610 meshes with the driving gear 611; the driving gear 611 is fixedly sleeved on the output end of the second reduction motor 612, the second reduction motor 612 is mounted on the third base 613, and the third base 613 is mounted on the bottom surface of the steel frame support 1.

[0086] With this structure, the second geared motor 612 can turn the wheel 607 after it starts.

[0087] This invention helps to resist the bending moment caused by the load in the middle of the steel frame foundation, keeping the steel frame foundation flat and facilitating the support of the early-removed support steel columns, thereby making it easier to build a stable truss platform on the early-removed support steel columns.

[0088] The above description, in conjunction with specific preferred embodiments, provides a further detailed explanation of the present invention. It should not be construed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, several equivalent substitutions or obvious modifications can be made without departing from the concept of the present invention, and all such modifications, with identical performance or use, should be considered within the protection scope of the present invention.

Claims

1. A quick release platform lifting mechanism characterized by include: The steel frame foundation (1) is assembled from Bailey bridges (101); Remove the support (2), which is installed on the bottom of the middle part of the steel frame base (1); The steel frame (3) is installed on the top of the middle part of the steel frame support (1); The first hydraulic jack (4) is installed in the steel frame (3), with its bottom installed on the middle of the steel frame support (1), and its piston end is installed with the early dismantling support steel column (7). The turbine screw jack (5) is installed at the four corners of the steel frame support (1); the lower end of its lifting rod (501) passes through the steel frame support (1) and is equipped with positioning feet (502). The drive wheel assembly (6) is installed at the four corners of the steel frame support (1) and spaced apart from the lifting rod (501).

2. The quick release platform lifting mechanism of claim 1, wherein The unloading support (2) includes: a base plate (201) which is installed on the bottom surface of the steel frame support (1); The upper support (202) is mounted under the base plate (201); The lower support (203) is spaced below the upper support (202). T-slots (204) are formed on the wedge-shaped surfaces of the upper support (202) and the lower support (203); The left support (205) and the right support (206) are slidably assembled between the upper support (202) and the lower support (203), and are slidably installed on the left and right wedge surfaces of the upper support (202) and the lower support (203); The T-shaped slider (207) is fixed to the bottom surface of the left support (205) and the right support (206) and is slidably adapted to the T-shaped groove (204); The reaction frame (208) is installed in pairs on the bottom surface of the steel frame base (1); and is spaced apart from the left support (205) and the right support (206). The second hydraulic jack (209) is installed in pairs on the reaction frame (208), with the opposite piston ends facing the left support (205) and the right support (206) respectively. The push block (210) is installed on the piston end of the second hydraulic jack (209); The universal ball (211) is installed on the front and back of the push block (210). The universal ball (211) installed on the front of the push block (210) abuts against the left support (205) and the right support (206). A concave slide rail (212) is mounted on the back of the left support (205) and the right support (206) and is extended into by a push block (210), with a universal ball (211) mounted on the back of the push block (210) abutting against the concave slide rail (212).

3. The quick release platform lifting mechanism of claim 2, wherein The bottom surface of the lower support (203) is equipped with a pad (213).

4. The quick release platform lifting mechanism of claim 2, wherein The concave slide rails (212) are arranged side by side at intervals. The piston end of the second hydraulic jack (209) extends between the two concave slide rails (212). The push block (210) extends between the concave slide rail (212) and the left support (205), and between the concave slide rail (212) and the right support (206).

5. The quick release platform lifting mechanism of claim 2, wherein A transverse J-shaped fixing bracket (214) is installed on the back of the concave slide rail (212). One end of the J-shaped fixing bracket (214) is fixed to the back of the left support (205) and the right support (206), and the other end is fixed to the back of the concave slide rail (212).

6. The quick release platform lifting mechanism of claim 5, wherein The J-shaped fixing bracket (214) has a tripod (215) fixed at the corner.

7. The quick release platform lifting mechanism of claim 2, wherein The push block (210) is a stepped frustum shape.

8. The quick-release platform lifting mechanism according to claim 1, characterized in that... The drive wheel assembly includes a first base (601), a wheel rod (602) is rotatably mounted on the bottom surface of the first base (601), a wheel frame (603) is mounted on the bottom surface of the wheel rod (602), bearings (605) are installed in the side plates (604) of the wheel frame (603), an axle (606) is threaded through the bearings (605), and a wheel (607) is fixedly connected to the axle (606); a second base (608) is mounted on the outside of one side plate (604) of the wheel frame (603), a first geared motor (609) is mounted under the second base (608), and the output end of the first geared motor (609) is coaxially fixedly connected to the axle (606).

9. The quick release platform lifting mechanism of claim 8, wherein The driven gear (610) is fixedly sleeved on the wheel rod (602); the driven gear (610) meshes with the driving gear (611); the driving gear (611) is fixedly sleeved on the output end of the second geared motor (612), the second geared motor (612) is mounted on the third base (613), and the third base (613) is mounted on the bottom surface of the steel frame support (1).

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