Safety protection detection device for lateral-force-resistant swing column space floor structure

Abstract

The invention relates to the technical field of space floor swing column detection, in particular to a safety protection detection device for a lateral-force-resistant swing column space floor structure. Comprising a base, a leveling structure, an axial testing structure and a radial testing structure, the leveling structure is used for visually completing the horizontal adjustment operation of the base; a first plate capable of moving axially is arranged above the base through an axial testing structure; the axial testing structure comprises a first motor, a first turntable, an eccentric shaft and a driving arm; a second plate capable of moving up and down is further arranged on the first plate; the radial testing structure is used for driving the second plate to move up and down at different preset heights so as to form vibration operation of vertical impact force; a cavity is further formed in the second plate, and a plurality of clamping grooves distributed front and back are further formed in the second plate. The device is reasonable in design and compact in structure, and achieves the purpose of intuitively expressing, comparing, analyzing and testing the single or multivariable lateral force resistance of the swing column on the basis that the swing columns of different specifications and models are convenient to disassemble and assemble.

Description

Technical Field

[0001] The present invention relates to the technical field of spatial floor sway column detection, and in particular to a safety protection detection device for a lateral force sway column spatial floor structure. Background Art

[0002] The swing column has many advantages, but also has some weaknesses. That is, it is hinged at the upper and lower ends and cannot provide lateral stiffness. On the contrary, it needs the rigid frame column to provide lateral stiffness to play a role. Therefore, when using the swing column, the calculated length of the rigid frame column should be increased. The setting of the swing column must make the structure meet the lateral stiffness requirements, and there must be a calculation basis. According to design experience, in a multi-span rigid frame, there should not be more than three swing columns in a row. In addition, the swing column should not be used to support the joist. The vertical load on the joist is large, while the lateral stiffness of the swing column is small. Using it to support the bracket is very unfavorable to the overall stability and stiffness of the structure. From a structural point of view, the upper and lower ends of the swing column are not actually hinged for reliable connection, but have considerable stiffness. In addition to the axial force, the swing column is also subject to a certain bending stress. This secondary stress should be considered during design.

[0003] In the actual design stage, we usually need to conduct lateral force detection tests on the sway columns of the spatial floor structure. The lateral force is for this building structure, which refers to the horizontal force acting on the entire building structure, such as wind force and earthquake force. Therefore, in order to screen the quality of the sway columns, vibration detection of the sway columns can be performed to screen the sway columns, thereby screening out unqualified products. The existing technology for detecting sway columns for spatial floor structures has a complex structure and poor use effect. It is also impossible to achieve an intuitive comparative analysis of the lateral force resistance performance of the sway columns on the basis of easy disassembly and installation of sway columns of different specifications and models. For this reason, we need a safety protection detection device for lateral force resistant sway columns for spatial floor structures. Summary of the invention

[0004] In order to solve the above-mentioned shortcomings and deficiencies in the use of the prior art lateral force resistant sway column spatial floor detection equipment, the present invention provides a safety protection detection device for lateral force resistant sway column spatial floor structure, which has a reasonable structural design and can achieve intuitive comparative analysis of the lateral force resistance performance of sway columns on the basis of easy disassembly and installation of sway columns of different specifications and models.

[0005] The present invention adopts the following technical solutions to achieve the above purpose: A safety protection detection device for a lateral force sway column space floor structure comprises a base, a leveling structure, an axial test structure and a radial test structure; the base is distributed on the left and right, and the leveling structure is used to visually complete the horizontal adjustment operation of the base; a first plate that can move axially is arranged above the base through the axial test structure; the axial test structure comprises a first motor, a first turntable, an eccentric shaft, and a driving arm; the first motor is fixedly installed on the base through a bracket, the first turntable is coaxially installed on the output shaft of the first motor, and the eccentric shaft is arranged on the side of the first turntable; one end of the driving arm is rotatably connected to the eccentric shaft, and the other end is hinged to the first plate; A second plate that can move up and down is also provided on the first plate; the radial test structure is used to drive the second plate to move up and down at different preset heights to form a vibration operation of vertical impact force; a cavity is also provided in the second plate, and a plurality of slots distributed front and back are also opened on the second plate for installing a swing column, the slot is communicated with the cavity, and a baffle with a semicircular structure is also provided at the lower end; a lead screw extending front and back is also provided in the cavity, and a driving motor is also provided at one end of the lead screw; a uniformly distributed connecting rod is also provided on the lead screw; the connecting rod includes a first rod, a ring sleeve and a second rod that are integrally formed; a guide groove is provided on the side wall of the cavity, the first rod is connected to the guide groove through a guide block, and the ring sleeve is threadedly connected to the lead screw; one end of the second rod is also connected to a clamping plate with an arc structure to complete the tightening operation of the swing column installed in the slot and of different specifications and diameters.

[0006] As a preferred technical solution: the leveling structure includes a first screw rod, a second screw rod and a nut sleeve; the first screw rod is vertically distributed, and one end is fixedly installed on the base; the second screw rod is vertically distributed, and is connected to the first screw rod through the nut sleeve, and the nut sleeve can be rotated clockwise to complete the synchronous separation of the first screw rod and the second screw rod; a supporting foot is provided at the bottom end of the second screw rod, and the supporting foot is made of soft rubber material.

[0007] A further preferred technical solution: the leveling structure also includes an infrared sensor, an LED display and an indicator light; the number of the infrared sensors is four and the number of the LED display is evenly distributed at the four corners; the LED display screen is arranged on one side of the base and has the functions of digital display and signal transmission; the infrared sensor maintains a signal connection with the LED display screen; the LED display screen is also provided with the indicator light to indicate through a green color that the horizontal adjustment of the base is completed.

[0008] A further preferred technical solution: a guide member is provided between the base and the first plate, and the guide member includes a first guide rail and a first slider; the first guide rail is fixedly installed on the base by screws, and the first slider is fixedly installed on the lower end of the first plate, and the first slider is kept matched with the first guide rail.

[0009] A further preferred technical solution: the first turntable is provided with a plurality of grooves which are arranged in a straight row along the radial direction; the eccentric shaft and the grooves distributed at different positions are fastened by threads to complete vibration operations of simulating axial impact forces of different amplitudes.

[0010] A further preferred technical solution: the radial test structure includes a second motor, a second turntable, a third turntable, a sub-shaft and a linkage arm; the second motor is fixedly installed in a mounting groove opened in the first plate through a bracket; the second turntable is arranged on the output shaft of the second motor; the third turntable is movably arranged on the second turntable, and a side surface of the third turntable is also provided with a concentrically distributed annular groove; the sub-shaft can be slidably adapted to be installed in the annular groove, the linkage arm is vertically distributed and one end is connected to the sub-shaft, and the other end is in contact with the top plate and the second plate through the arc structure, so as to drive the second plate to perform up and down reciprocating motion with different preset value amplitudes.

[0011] A further preferred technical solution: an auxiliary sleeve is also provided in the installation groove, and the auxiliary sleeve is maintained in a sliding sleeve connection with the linkage arm; a movable groove is also provided on one side of the second turntable, and a movable block is provided on one side of the third turntable, and the movable block is matched and installed in the movable groove; the movable groove is also provided with a vertically distributed rotating screw rod, and the rotating screw rod passes through the moving block and is connected to the side wall of the movable groove through a bearing.

[0012] A further preferred technical solution: the radial test structure also includes a sliding rod and a sliding groove; the sliding rod is vertically distributed and one end is connected to the second plate, the sliding groove is opened on the first plate, and the sliding rod and the sliding groove are kept matched and installed.

[0013] A further preferred technical solution: the first plate, the second plate, the axial test structure and the radial test structure are two groups that are matched and installed and distributed symmetrically on the left and right.

[0014] A further preferred technical solution: a protective cover is further provided on the base, and the protective cover can be made of a transparent material.

[0015] Compared with the prior art, the present invention has the following beneficial effects: the present invention has a compact structure, a relatively short volume of the entire structure, and saves structural space. Compared with the traditional vibration test structure with the same efficiency, the length can be compressed by more than 30%; at the same time, a motor and a turntable are used to realize a radial or axial simulated impact test of a reciprocating drive, the manufacturing process is simplified, and the dynamic balance of the structure is improved; further, the cooperation of the first motor, the first turntable, the eccentric shaft, and the driving arm can realize an axial force impact simulation experiment of a swing column with different amplitudes; the cooperation of the second motor, the second turntable, the third turntable, the split shaft, and the linkage arm can complete a simulation experiment of radial force impact of a swing column with different amplitudes, which greatly improves the test effect of the lateral force resistance of the swing column of the spatial floor structure; further, two sets of structures with symmetrical distribution are set in a limited space, which can specifically complete the intuitive detection comparison analysis of a single variable or multiple variables, and provide favorable conditions for the subsequent lateral force resistance result performance of the swing column; at the same time, structures such as a clamping plate and a protective cover are used to further protect the swing column structure of the spatial floor, which greatly improves the safety protection effect during the lateral force resistance swing column detection operation, is more practical, and can further improve the operation efficiency of the lateral force resistance swing column detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the present invention; Figure 2 It is a top view of the overall structure of the present invention; Figure 3 for Figure 2 AA section view in; Figure 4 for Figure 3 A magnified view of the structure of part B in FIG. Figure 5 It is a partial structural enlarged view of the axial test structure of the present invention; Figure 6 is a distribution diagram of the first plate and the second plate of the present invention; Figure 7 It is a structural schematic diagram of the radial test structure of the present invention; Figure 8 is a structural diagram of a third turntable of the present invention; Fig. 9 A schematic diagram of the connection structure of the swing column of the space floor structure of the present invention; Fig.10 It is a schematic structural diagram of the protective cover of the present invention.

[0018] In the figure: 1. base; 2. leveling structure; 21. first screw; 22. second screw; 23. nut sleeve; 24. support foot; 25. infrared sensor; 26. LED display; 27. indicator light; 3. axial test structure; 31. first motor; 32. first turntable; 33. eccentric shaft; 34. drive arm; 35. groove; 4. radial test structure; 41. second motor; 42. second turntable; 43. third turntable; 44. split shaft; 45. linkage arm; 46. mounting groove; 47. auxiliary sleeve Plate; 48, moving groove; 49, moving block; 410, rotating screw; 411, sliding rod; 412, sliding groove; 413, top plate; 414, ring groove; 5, first plate; 6, second plate; 61, cavity; 62, slot; 63, baffle; 64, screw; 65, driving motor; 66, connecting rod; 661, first rod; 662, sleeve; 663, second rod; 67, guide groove; 68, guide block; 69, clamping plate; 7, guide member; 71, first guide rail; 72, first slider; 8, protective cover. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] It should be noted that, in the specific implementation of the present invention, the terms such as "first" and "second" and other relational terms that may appear are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms such as "include", "comprise" or any other variants thereof that may appear are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements includes not only those elements, but also other elements that are not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the possible appearance of the sentence "including a ..." and other defined elements does not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0021] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "provided with" that may appear should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0022] Example 1: Figures 1 to 9 As shown: A safety protection detection device for a lateral force sway column space floor structure includes a base 1, a leveling structure 2, an axial test structure 3 and a radial test structure 4. The present invention has a compact structure, and the entire structure is relatively short, which saves structural space. Compared with traditional vibration test structures with the same efficiency, the length can be compressed by more than 30%. At the same time, a motor and a turntable are used to realize a reciprocating-driven radial or axial simulated impact test, which simplifies the manufacturing process and improves the dynamic balance of the structure. The base 1 is distributed on the left and right, and the leveling structure 2 is used to visually complete the horizontal adjustment operation of the base 1; in a preferred technical solution: Figure 3 As shown: the leveling structure 2 includes a first screw rod 21, a second screw rod 22 and a nut sleeve 23. The first screw rod 21 is vertically distributed, and one end is fixedly mounted on the base 1; the two can be fixed by welding. The second screw rod 22 is vertically distributed, and is connected to the first screw rod 21 through the nut sleeve 23, and the first screw rod 21 and the second screw rod 22 can be synchronously moved away from each other by rotating the nut sleeve 23 clockwise, that is, the length of the first screw rod and the second screw rod as a whole is extended. The first screw rod 21 and the second screw rod 22 can be synchronously moved closer to each other by rotating the nut sleeve 23 counterclockwise, that is, the length of the first screw rod and the second screw rod as a whole is shortened. The bottom end of the second screw rod 22 is provided with a support foot 24, and the support foot 24 is made of soft rubber material; in this way, the first screw rod and the second screw rod are four groups evenly distributed at the four corners, and the height of the designated area position can be adjusted.

[0023] like Figure 1As shown: In a preferred technical solution, the leveling structure 2 also includes an infrared sensor 25, an LED display screen 26 and an indicator light 27. The infrared sensors 25 are four evenly distributed at the four corners, which are used to detect the position height of the four corner areas of the base in real time and display numbers on the LED display screen in real time. Preferably, the infrared sensor adopts an infrared ranging sensor. The LED display screen 26 is arranged on one side of the base 1, and has the functions of digital display and signal transmission. The infrared sensor 25 maintains a signal connection with the LED display screen 26; the LED display screen 26 is also provided with the indicator light 27, wherein the indicator light includes red and green, and the red color represents that the overall level of the base is abnormal, and the green color indicates that the horizontal adjustment of the base 1 is completed. In this embodiment, a cable is arranged on one side of the base to connect to an external power supply to provide an overall electric drive. When the detection device is assembled, the base needs to be leveled to ensure the basic level of the subsequent lateral force detection experiment of the sway column of the spatial floor structure. Multiple infrared sensors detect the height value of the corresponding position area of ​​the base in real time and display it on the LED display screen in real time. The staff can make targeted position adjustments based on the multiple data on the LED display screen, specifically through the cooperation of the first screw, the second screw and the nut sleeve, and finally complete the horizontal adjustment operation of the base, providing strong conditions for the subsequent rocking column lateral force resistance test experiment.

[0024] like Figure 2 As shown in the embodiment, a first plate 5 which can move axially is arranged above the base 1 through the axial test structure 3. Preferably, as Figure 5As shown: the axial test structure 3 includes a first motor 31, a first rotating disk 32, an eccentric shaft 33, and a driving arm 34. The first motor 31 is fixedly installed on the base 1 through a bracket, and the first rotating disk 32 is coaxially installed on the output shaft of the first motor 31. In this way, the first motor will drive the first rotating disk to rotate synchronously. The eccentric shaft 33 is arranged on the side of the first rotating disk 32; one end of the driving arm 34 is rotatably connected to the eccentric shaft 33, and the other end is hinged to the first plate 5. Among them, in a preferred embodiment, a plurality of grooves 35 distributed in a straight row along the radial direction are provided on the first rotating disk 32; the eccentric shaft 33 and the grooves 35 distributed at different positions are screwed to complete the vibration operation of simulating axial impact force of different amplitudes. Specifically, the farther the installation position of the eccentric shaft is from the center position of the first rotating disk, the greater the movement amplitude of the first plate, and the greater the simulated axial impact lateral force of the swing column installed on the first plate, which provides a favorable basis for subsequent single variable or multi-variable experimental simulation detection. In a preferred embodiment, a guide member 7 is provided between the base 1 and the first plate 5. The guide member 7 includes a first guide rail 71 and a first slider 72; the first guide rail 71 is fixedly installed on the base 1 by screws, and the first guide rails are two extending left and right and symmetrically distributed front and back. The first slider 72 is fixedly installed on the lower end of the first plate 5, and the first slider 72 is kept matched with the first guide rail 71. In this way, when the first motor is started, it will drive the first turntable to rotate synchronously, and then under the driving action of the eccentric shaft and the driving arm and the auxiliary cooperation of the first guide rail and the first slider, the first plate will form a reciprocating movement in the left and right directions to form a lateral force impact in the horizontal direction of the swaying column of the spatial floor structure, which provides a strong basis for subsequent comparative experimental detection and analysis.

[0025] like Figure 6 As shown: In this embodiment, a second plate 6 that can move up and down is also provided on the first plate 5. The radial test structure 4 is used to drive the second plate 6 to move up and down at different preset heights to form a vibration operation of vertical impact force. In a preferred embodiment, as Figure 7As shown: the radial test structure 4 includes a second motor 41, a second turntable 42, a third turntable 43, a split shaft 44 and a linkage arm 45. The second motor 41 is fixedly installed in the installation slot 46 provided in the first plate 5 through a bracket. Among them, the second motor can be a servo control motor. The upper end surface of the first plate 5 is provided with the installation slot 46, and in the initial state, the lower end surface of the second plate is in contact with the upper end surface of the first plate. The second turntable 42 is arranged on the output shaft of the second motor 41. The third turntable 43 is movably arranged on the second turntable 42; that is, the third turntable can move relative to the second turntable; and a side surface of the third turntable 43 is also provided with a concentrically distributed annular groove 414. The split shaft 44 is slidably adapted to be installed in the annular groove 414, and the linkage arm 45 is vertically distributed and one end is connected to the split shaft 44, and the other end is in contact with the top plate 413 through the arc structure and the second plate 6, so as to drive the second plate 6 to perform up and down reciprocating motions with different preset value amplitudes. In this embodiment, the connection between the split shaft 44 and the linkage arm 45 can be fixed by welding. With this arrangement, the second turntable rotates in a circular trajectory, and the third turntable can move relative to the second turntable, thereby forming an eccentric structure. In this way, the rotation trajectory of the third turntable is an ellipse, and then, with the assistance of the annular groove, the split shaft and the auxiliary sleeve, the linkage arm can maintain reciprocating movement in the vertical direction.

[0026] like Figure 7 As shown: wherein, an auxiliary sleeve 47 is further provided in the installation groove 46, and a distance is left between the auxiliary sleeve and the bottom end surface of the installation groove. The auxiliary sleeve 47 is kept in sliding sleeve connection with the linkage arm 45. Preferably, a moving groove 48 is further provided on one side of the second rotating disk 42, and a moving block 49 is provided on one side of the third rotating disk 43, and the two are integrally formed or fixed by welding. Figure 8 The structure shown. The moving block 49 is matched and installed in the moving groove 48; the moving groove 48 is also provided with a vertically distributed rotating screw 410, and the rotating screw 410 passes through the moving block 49 and is connected to the side wall of the moving groove 48 through a bearing. Preferably, the moving block adopts a trapezoidal structure to facilitate the formation of a snap-fit ​​structure. A rotating knob can be provided at one end of the rotating screw. The second turntable is coaxially arranged with the second motor, and the position remains unchanged. With such a configuration, the upper and lower position adjustment of the third turntable relative to the third turntable can be achieved by rotating the rotating screw, so as to achieve the adjustment of the upper and lower movement amplitude of the linkage arm driven by the sub-axis on the third turntable. The greater the movement amplitude of the second plate, the greater the simulated radial impact lateral force (the force in the vertical direction) of the swing column installed on the second plate, which provides convenient conditions for the subsequent single-variable or multi-variable experimental simulation detection of the radial impact lateral force. In a preferred embodiment, as Figure 6As shown: the radial test structure 4 also includes a sliding rod 411 and a sliding groove 412. Among them, the sliding rod and the sliding groove are matched and installed in four groups and distributed at four corners. The sliding rod 411 is vertically distributed and one end is connected to the second plate 6. The sliding groove 412 is opened on the first plate 5, and the sliding rod 411 and the sliding groove 412 are kept matched and installed. The purpose of such a setting is to provide a guiding basis for the movement of the second plate. When the second motor is started, the second motor will drive the second turntable to rotate synchronously, and then under the transmission effect of the third turntable adjusting the position and the sub-axis and the linkage arm, it will drive the second plate to reciprocate in the up and down directions to form a vertical lateral force to complete the experimental detection of the vertical force of the swaying column of the spatial floor structure. The first plate 5, the second plate 6, the axial test structure 3 and the radial test structure 4 are two groups that are matched and installed and symmetrically distributed on the left and right. The present invention further sets up two groups of symmetrically distributed structures in a limited space, which can specifically complete intuitive detection and comparative analysis of single variables or multiple variables, providing favorable conditions for the subsequent performance of the results of the lateral resistance of the swaying columns, and greatly improving the detection efficiency and comparative analysis statistical results of the lateral resistance of the swaying columns of the spatial floor structure.

[0027] Example analysis: The present invention defines the lateral force resistance variables of the sway column on the second plate on the left as; axial impact forces X1, X2...Xn that increase in sequence; radial impact forces Y1, Y2...Yn that increase in sequence. The present invention defines the lateral force resistance variables of the sway column on the second plate on the right as; axial impact forces M1, M2...Mn that increase in sequence; radial impact forces N1, N2...Nn that increase in sequence. Among them, due to the completely symmetrical structure, X1=M1; X2=M2...; Y1=N1; Y2=N2... Therefore, the experimental data charts of the lateral force resistance of the two groups of spatial floor structure sway columns are as follows: The left group of rocking columns exerts an axial impact force X The left group of rocking columns exerts radial impact force Y The right group of rocking columns exerts an axial impact force M The radial impact force N applied by the right group of rocking columns Performance of lateral force resistance of rocking columns on both sides X1 Y1 X2 Y1 X1 Y1 X3 Y1 X1 Y1 X4 Y1 X1 Y1 X1 Y2 X1 Y1 X1 Y3 X1 Y1 X1 Y4 X1 Y1 X2 Y2 X1 Y1 X3 Y3 X1 Y1 X4 Y4 X2 Y2 X2 Y1 X2 Y2 X3 Y1 X2 Y2 X4 Y1 X2 Y2 X1 Y2 X2 Y2 X1 Y3 X2 Y2 X1 Y4 X2 Y2 X2 Y2 X2 Y2 X3 Y3 X2 Y2 X4 Y4 .

[0028] like Figure 3 As shown: In this embodiment, a cavity 61 is further provided in the second plate 6, and a plurality of slots 62 are further provided on the second plate 6, which are distributed front and back, for installing the swing column, wherein the slots are circular and have a large enough diameter to be applicable to various types of swing column detection experiments. The cavity is distributed horizontally, and the slots are distributed vertically. The slots 62 are connected to the cavity 61, and a baffle 63 with a semicircular structure is further provided at the lower end; wherein the inner side wall of the baffle is flush with the inner side wall of the slot. Fig. 9As shown: the cavity 61 is also provided with a lead screw 64 extending forward and backward, and the lead screw is connected to the two side walls of the cavity through bearings. A driving motor 65 is also provided at one end of the lead screw 64; the driving motor is arranged outside the second plate and drives the lead screw to rotate synchronously. The lead screw 64 is also provided with a plurality of evenly distributed connecting rods 66. Among them, the connecting rod 66 includes a first rod 661, a ring sleeve 662 and a second rod 663 formed in one piece. A guide groove 67 is provided on the side wall of the cavity 61, and the guide groove is distributed along the axial direction of the second plate. The first rod 661 is connected to the guide groove 67 through a guide block 68, and such a setting facilitates the formation of a good guiding effect. The ring sleeve 662 is threadedly connected to the lead screw 64; such a setting facilitates the formation of a "lead screw nut structure" to drive the synchronous movement of multiple connecting rods through the rotation of the lead screw. One end of the second rod 663 is also connected to a clamping plate 69 of an arc structure to complete the tightening operation of the swing column with different specifications and diameters installed at the card slot 62. With such a configuration, in the initial state, the clamping plate is located at the outer edge of the slot and does not affect the installation and insertion of the swing column. When the drive motor rotates forward, it will drive the lead screw to rotate synchronously clockwise, which will cause the connecting rod and the clamping plate on the lead screw to move as a whole to clamp the swing column at the slot. The present invention can complete the one-button synchronous tightening of a preset number of swing columns of the spatial floor structure by setting a matching structure of a single lead screw + multiple connecting rods. The use of structures such as a clamping plate and a protective cover can further protect the swing column structure of the spatial floor, greatly improving the safety protection effect during the lateral force swing column detection operation, making it more practical, and can further improve the efficiency of the lateral force swing column detection operation.

[0029] Embodiment 2: Based on embodiment 1, Fig.10 As shown: A safety protection detection device for a space floor structure of a lateral force swaying column, further comprising: a protective cover 8 is also provided on the base 1, and the protective cover can be easily disassembled and installed, so as to play a safety protection effect on the internal space floor structure swaying column and the lateral force detection structure as a whole, and play a dustproof and convenient storage purpose. The protective cover 8 can be made of a transparent material. Preferably, a bottom ring is also provided at the lower end of the protective cover, and the bottom ring can be made of an iron material. A fixing groove adapted to the protective cover is provided on the base, and a strong magnet is provided on the bottom end surface of the fixing groove; in this way, when the lateral force detection is performed on the swaying column of the space floor structure or in a non-operation storage state, the protective cover and the base can be fastened by magnet adsorption and fastening, so as to ensure stability and protection effect. At the same time, a strong magnet sub-block can be directly provided at the bottom end of the protective cover, and a strong magnet mother block can be provided at the bottom end surface of the fixing groove, and then the fastening and installation operation of the protective cover can be completed by the cooperation of the strong magnet sub-block and the strong magnet mother block.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A safety protection detection device for a lateral force swaying column space floor structure, characterized in that: It includes a base, a leveling structure, an axial test structure and a radial test structure; the base is distributed on the left and right, and the leveling structure is used to visually complete the horizontal adjustment of the base; a first plate that can move axially is arranged above the base through the axial test structure; the axial test structure includes a first motor, a first turntable, an eccentric shaft, and a driving arm; the first motor is fixedly installed on the base through a bracket, the first turntable is coaxially installed on the output shaft of the first motor, and the eccentric shaft is arranged on the side of the first turntable; one end of the driving arm is rotatably connected to the eccentric shaft, and the other end is hinged to the first plate; A second plate that can move up and down is also provided on the first plate; the radial test structure is used to drive the second plate to move up and down at different preset heights to form a vibration operation of vertical impact force; a cavity is also provided in the second plate, and a plurality of slots distributed front and back are also opened on the second plate for installing a swing column, the slot is communicated with the cavity, and a baffle with a semicircular structure is also provided at the lower end; a lead screw extending front and back is also provided in the cavity, and a driving motor is also provided at one end of the lead screw; a uniformly distributed connecting rod is also provided on the lead screw; the connecting rod includes a first rod, a ring sleeve and a second rod that are integrally formed; a guide groove is provided on the side wall of the cavity, the first rod is connected to the guide groove through a guide block, and the ring sleeve is threadedly connected to the lead screw; one end of the second rod is also connected to a clamping plate with an arc structure to complete the tightening operation of the swing column installed in the slot and of different specifications and diameters.

2. A safety protection detection device for a lateral force swaying column space floor structure as claimed in claim 1, characterized in that: The leveling structure includes a first screw rod, a second screw rod and a nut sleeve; the first screw rod is vertically distributed, and one end is fixedly mounted on the base; the second screw rod is vertically distributed, and is connected to the first screw rod through the nut sleeve, and the nut sleeve can be rotated clockwise to complete the synchronous separation of the first screw rod and the second screw rod; a supporting foot is provided at the bottom end of the second screw rod, and the supporting foot is made of soft rubber material.

3. A safety protection detection device for a lateral force sway-resistant column space floor structure as claimed in claim 2, characterized in that: The leveling structure also includes an infrared sensor, an LED display screen and an indicator light; there are four infrared sensors evenly distributed in the four corners, the LED display screen is arranged on one side of the base, and has the functions of digital display and signal transmission; the infrared sensor maintains a signal connection with the LED display screen; the LED display screen is also provided with the indicator light to indicate through green that the horizontal adjustment of the base is completed.

4. A safety protection detection device for a lateral force swaying column space floor structure as claimed in claim 3, characterized in that: A guide member is provided between the base and the first plate, and the guide member includes a first guide rail and a first slider; the first guide rail is fixedly mounted on the base by screws, and the first slider is fixedly mounted on the lower end of the first plate, and the first slider is kept matched with the first guide rail.

5. A safety protection detection device for a lateral force swaying column space floor structure as claimed in claim 4, characterized in that: The first rotating disk is provided with a plurality of grooves which are arranged in a straight row along the radial direction; the eccentric shaft is fastened with the grooves which are distributed at different positions through threads to complete vibration operations of simulating axial impact forces of different amplitudes.

6. A safety protection detection device for a lateral force sway-resistant column space floor structure as claimed in claim 5, characterized in that: The radial test structure includes a second motor, a second turntable, a third turntable, a sub-shaft and a linkage arm; the second motor is fixedly installed in a mounting groove provided in the first plate through a bracket; the second turntable is arranged on the output shaft of the second motor; the third turntable is movably arranged on the second turntable, and a side surface of the third turntable is also provided with a concentrically distributed annular groove; the sub-shaft is slidably adapted to be installed in the annular groove, and the linkage arm is vertically distributed and one end is connected to the sub-shaft, and the other end is in contact with the top plate and the second plate through the arc structure, so as to drive the second plate to perform up and down reciprocating motion with different preset amplitudes.

7. A safety protection detection device for a lateral force sway-resistant column space floor structure as claimed in claim 6, characterized in that: An auxiliary sleeve is also provided in the installation groove, and the auxiliary sleeve is in sliding connection with the linkage arm; a moving groove is also provided on one side of the second turntable, and a moving block is provided on one side of the third turntable, and the moving block is matched and installed in the moving groove; the moving groove is also provided with a vertically distributed rotating screw rod, and the rotating screw rod passes through the moving block and is connected to the side wall of the moving groove through a bearing.

8. A safety protection detection device for a lateral force sway-resistant column space floor structure as claimed in claim 7, characterized in that: The radial test structure also includes a sliding rod and a sliding groove; the sliding rod is vertically distributed and one end is connected to the second plate, and the sliding groove is opened on the first plate to keep the sliding rod and the sliding groove matched and installed.

9. A safety protection detection device for a lateral force sway-resistant column space floor structure as claimed in claim 8, characterized in that: The first plate, the second plate, the axial test structure and the radial test structure are two groups that are matched, installed and symmetrically distributed left and right.

10. A safety protection detection device for a lateral force sway-resistant column space floor structure as claimed in claim 9, characterized in that: A protective cover is also provided on the base, and the protective cover can be made of a transparent material.

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