A steel display rack quality testing platform

Abstract

The present invention relates to the technical field of steel frame quality inspection, specifically a steel display rack quality inspection platform, comprising a movable part with a clamping end, wherein the movable part is symmetrically provided with an impact detection mechanism on both sides arranged along the length direction thereof, and the movable part is provided with a load-bearing detection mechanism on one side arranged along the width direction thereof. The present invention implements impact detection of the display rack in a stationary state and impact detection of the display rack in a moving state through the impact detection mechanism; implements load-bearing detection of the display rack through the load-bearing detection mechanism, and the load-bearing detection mechanism has multiple detection modes, including a load-bearing detection mode with uniform pressure distribution on a single layer, a load-bearing detection mode with uneven pressure distribution on a single layer, a load-bearing detection mode with uniform pressure distribution on multiple layers, a load-bearing detection mode with uneven pressure distribution on multiple layers, and a load-bearing detection mode combining uniform pressure distribution and uneven pressure distribution under synchronous pressure on multiple layers, which greatly enriches the load-bearing detection process.

Description

Technical Field

[0001] The present invention relates to the technical field of steel frame quality inspection, in particular to a steel display frame quality inspection platform. Background Art

[0002] Steel display racks are steel display frames with multiple compartments, commonly used in exhibitions, store displays, warehouse shelving, and other applications. Steel display racks (hereinafter referred to as display racks) are often used in situations where they need to carry heavy items or be used for extended periods. They require structural stability, durability, and a strong load-bearing capacity. Therefore, to ensure safety and stability during use, production of these racks requires quality testing, including load-bearing capacity and weld strength, on sample racks or sampled finished racks before mass production.

[0003] However, when the display stand is actually in use, the load-bearing force distribution on it is not fixed. Whether it is the load-bearing condition of the display stand as a whole or the load-bearing condition of each layer of the display stand, the load-bearing force distribution may be uniform or locally concentrated. If only the overall pressure-bearing force test is performed on the display stand as a whole or each layer of the display stand without considering the changes in the pressure points and distribution, the load-bearing quality test will have a low degree of fit with the actual situation, and the accuracy of the test results will also be low.

[0004] In addition, when the display stand is in use or moved to the point of use, it may be subject to external collision forces, which will directly affect the overall firmness of the display stand. When the welding firmness of the display stand is low, the display stand will be deformed, cracked, damaged, etc. under the action of external collision forces, which will directly affect the use of the display stand. Summary of the Invention

[0005] In order to solve the above problems, the present invention provides a steel display rack quality inspection platform, including a movable part with a clamping end, the clamping end is used to fix the display rack, the movable part is symmetrically provided with an impact detection mechanism on both sides arranged along the length direction of the movable part, and the movable part is provided with a load-bearing detection mechanism on one side arranged along the width direction of the movable part.

[0006] The collision detection mechanism includes a collision end and a moving end, and a linkage member is provided between the moving end and the moving member. The linkage member is used to move the collision end to generate a collision with the exhibition stand when the exhibition stand is fixed, and to move the exhibition stand and the collision end toward each other to generate a collision.

[0007] The load-bearing detection mechanism includes a mobile platform, a hydraulic cylinder is symmetrically installed on the upper end of the mobile platform, a rectangular frame is installed between the pushing ends of the hydraulic cylinder, a guide column is symmetrically installed on the upper end of the mobile platform, the upper end of the guide column is slidably connected to the lower end of the rectangular frame, and a plurality of pressure members arranged in a matrix are provided on the rectangular frame.

[0008] The pressure member includes a round tube threadedly mounted on the rectangular frame. A pressure block is provided at one end of the round tube close to the clamping end through an ear seat. After the display frame is clamped and fixed by the clamping end, the pressure block corresponds to the space on the display frame one by one.

[0009] In one possible implementation, the impact end includes a vertical frame mounted on the mobile end via an L-shaped plate, a plurality of rectangular through-slots are equidistantly provided on the vertical frame from top to bottom, a built-in plate is rotatably mounted in the rectangular through-slot, the rotation axis of the built-in plate extends vertically from top to bottom, stop plates are inserted between the side walls of the rectangular through-slot on both sides of the built-in plate arranged along its length direction, the stop plates slide through the vertical frame, and a point-type impact member and a surface-type impact member are respectively provided on both sides of the built-in plate arranged along its width direction;

[0010] In one possible implementation, the point-type impact member includes a plurality of impact heads distributed in a matrix, and the surface-type impact member includes a plurality of impact plates arranged equidistantly from top to bottom. When the empty space on the display rack faces the load-bearing detection mechanism, the point-type impact member impacts the display rack; when the empty space on the display rack faces the impact end, the surface-type impact member impacts the display rack.

[0011] In one possible implementation, the point-type impact member also includes a number of telescopic blocks arranged from top to bottom on the built-in plate, two limit pins are arranged between the movable section and the fixed section of the telescopic block, two limit holes are symmetrically opened at both ends of the fixed section of the telescopic block and arranged along the width direction of the telescopic block, a limit hole is opened at both ends of the movable section of the telescopic block, the limit pin is inserted between the corresponding two limit holes, and a number of equidistantly arranged impact heads are provided on the movable section of the telescopic block.

[0012] In one possible implementation, the surface-type impact member also includes an intermediate plate arranged on the rear side of the impact plate, and matching through grooves are symmetrically provided at both ends of the intermediate plate, and docking grooves are provided on the inner walls of the matching through grooves. Cylinders are rotatably installed at positions corresponding to the matching through grooves on the built-in plate, and several groups of cams are installed on the outer ring surface of one end of the cylinder along its axial direction. The docking grooves and the corresponding cams cooperate with each other, and the intermediate plate is located between two adjacent groups of cams. The other end of the cylinder passes through the built-in plate and is slidably installed with a round sleeve through spline cooperation, and the round sleeve is threadedly installed on the built-in plate.

[0013] In one possible implementation, the pressure member also includes a side groove opened at one end of the pressure block, a rotating plate is rotatably installed in the side groove, a C-shaped plate is installed on the upper end of the rotating plate, a round rod is provided between the two ends of the C-shaped plate, one end of the round rod is slidingly connected to the corresponding end of the C-shaped plate, and the other end is threadedly connected to the end of the C-shaped plate, the pressure block is installed at the lower end of the ear seat by bolts, and a block groove is opened at the upper end of the pressure block away from the corresponding side groove, a counterweight block is placed in the block groove, a protrusion is installed on the upper end of the counterweight block and a recessed groove matching the protrusion is opened at the same time.

[0014] In one possible implementation, an inner shaft is installed in the circular tube for limiting sliding, a screw is installed at one end of the inner shaft through an ear plate, a connecting plate is threadedly installed on the screw, the connecting plate is vertically slidably installed on one end of the extension shaft, the other end of the extension shaft extends to the circular tube, and the ear seat is sleeved on the end of the extension shaft.

[0015] In one possible implementation, the moving part includes a pedestal and a linear rail, the clamping end is arranged at the upper end of the pedestal, the linear rail is symmetrically and slidingly installed at the lower end of the pedestal, and a number of inverted L-shaped plates are inserted between the pedestal and the linear rail. The moving end includes a base, and the linear electric rail is symmetrically installed at the lower end of the base, and the linear electric rail corresponds one to one with the linear rail.

[0016] In one possible implementation, the linkage includes tooth plates provided at the lower ends of both the pedestal and the base, the tooth plates being symmetrically arranged along the width direction of the pedestal, the linear track being located between the two tooth plates connected to the lower end of the pedestal, the pedestal and the corresponding tooth plates being fixedly connected, the base and the corresponding tooth plates being slidably connected, and lock holes being provided at positions corresponding to the connected tooth plates on the base, locking plates being inserted into the lock holes, the same gear being meshed and connected between adjacent tooth plates on the pedestal and the base, the gear being mounted on a rotating vertical axis, and an avoidance groove being provided at the lower end of the base for avoiding the tooth plates connected to the pedestal.

[0017] In a possible implementation, the pedestal is composed of an upper plate and a lower plate provided at the lower end of the upper plate and slidably connected to the linear track, and a conversion member is connected between the lower plate and the upper plate.

[0018] In one possible implementation, the conversion member includes a mounting groove opened in the middle of the upper end of the lower plate, a motor is installed in the mounting groove, the motor output end is fixedly connected to the upper plate, and the lower end surface of the upper plate contacts the upper end surface of the lower plate.

[0019] In one possible implementation, the clamping end includes a built-in bidirectional electric push rod embedded in the middle of the upper end of the upper plate, and the pushing section of the built-in bidirectional electric push rod is installed with a connecting plate that is slidably connected to the upper plate, and the upper end of the connecting plate is installed with a C-shaped clamping plate with an opening facing the fixed section of the built-in bidirectional electric push rod.

[0020] Beneficial effects of the present invention: 1. The present invention implements impact detection of the exhibition stand in a stationary state and impact detection of the exhibition stand in a moving state through the impact detection mechanism; the load-bearing detection of the exhibition stand is implemented through the load-bearing detection mechanism, and the load-bearing detection mechanism can form a variety of detection modes through simple position adjustment, thereby improving the accuracy of the load-bearing detection results of the exhibition stand, and in conjunction with the impact detection, greatly increases the diversity of the exhibition stand quality detection, and improves the accuracy of the detection results.

[0021] 2. The load-bearing detection mechanism in the present invention has multiple detection modes, including a load-bearing detection mode with uniform pressure distribution on a single layer, a load-bearing detection mode with uneven pressure distribution on a single layer, a load-bearing detection mode with uniform pressure distribution on multiple layers, a load-bearing detection mode with uneven pressure distribution on multiple layers, and a load-bearing detection mode combining uniform pressure distribution and uneven pressure distribution under synchronous downward pressure on multiple layers. This greatly enriches the load-bearing detection process and improves the accuracy of the load-bearing detection results of the display stand.

[0022] 3. The present invention can also form a display stand quality detection mode through the coordination of the clamping end, the moving part and the linkage part. On the basis of clamping the display stand with the clamping end, the moving part and the linkage part cooperate to make the display stand move back and forth in a short distance, fast or slow linear motion, but without contacting the impact and collision mechanism. In this way, the quality of the display stand can be detected when it is unloaded and not subjected to impact or load. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0024] Figure 2 It is a partial top view of the present invention.

[0025] Figure 3 It is a partial side sectional view of the present invention.

[0026] Figure 4 This invention Figure 3 Schematic diagram of the enlarged X region in the middle.

[0027] Figure 5 It is a schematic diagram of the three-dimensional structure of the pressure member in the present invention.

[0028] Figure 6 It is a schematic diagram of the three-dimensional structure of the transfer plate, the U-shaped plate and the pressing block of the present invention.

[0029] Figure 7 It is a schematic diagram of the three-dimensional structure of the built-in plate and the point impact member in the present invention.

[0030] Figure 8 It is a schematic diagram of the three-dimensional structure of the built-in plate and the surface impact member in the present invention.

[0031] In the figure: 1, clamping end; 2, moving part; 3, impact detection mechanism; 4, load detection mechanism; 5, indicator board; 6, distance limiting board; 30, impact end; 31, moving end; 32, linkage part; 40, moving platform; 41, hydraulic cylinder; 42, rectangular frame; 43, pressing part; 430, round tube; 431, pressing block; 310, vertical frame; 311, built-in board; 312, stop board; 313, point-type impact part; 314, surface-type impact part; 315, impact head; 316, impact plate; 317, telescopic block; 318, limit pin; 319, limit hole; 320, middle board; 321, docking groove; 322, cylinder; 323, convex key; 324, round sleeve; 432, rotating plate; 433, U-shaped board; 434, round rod; 435, counterweight; 436, convex block; 437, inner shaft; 438, connecting board; 439, extending shaft; 20, pedestal; 21, linear track; 22, inverted L-shaped board; 23, base; 24, linear electric track; 330, toothed plate; 331, gear; 200, upper board; 201, lower board; 202, motor; 10, built-in double-acting electric push rod; 11, U-shaped clamping plate. Specific implementation manners

[0032] In order to make the above objects, features, and advantages of the present invention more obvious and understandable, the specific implementation manners of the present invention will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description in order to fully understand the present invention. However, the present invention can be implemented in many other ways different from those described below, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific implementation manners disclosed below.

[0033] Please refer to Figure 1 , a quality inspection table for a steel exhibition stand, comprising a moving part 2 with a clamping end 1, the clamping end 1 being used for fixing the exhibition stand, impact detection mechanisms 3 symmetrically arranged on both sides of the moving part 2 along its length direction, and a load detection mechanism 4 arranged on one side of the moving part 2 along its width direction.

[0034] Please refer to Figure 1 , Figure 2 and Figure 3The movable part 2 includes a pedestal 20 and a linear rail 21, the clamping end 1 is provided on the upper end of the pedestal 20, and the linear rail 21 is symmetrically and slidably installed on the lower end of the pedestal 20, and a number of inverted L-shaped plates 22 are inserted between the pedestal 20 and the linear rail 21; the pedestal 20 is composed of an upper plate 200 and a lower plate 201 provided at the lower end of the upper plate 200 and slidingly connected to the linear rail 21, a conversion part is connected between the lower plate 201 and the upper plate 200, and the conversion part includes a mounting groove opened in the middle part of the upper end of the lower plate 201, a motor 202 is installed in the mounting groove, the output end of the motor 202 is fixedly connected to the upper plate 200, and the lower end surface of the upper plate 200 contacts the upper end surface of the lower plate 201. In order to improve the relative accuracy between the display rack and the load-bearing detection mechanism 4, an indicator plate 5 is installed at the lower end of the front end surface of the lower plate 201. With the help of an existing scale and the indicator plate 5, the display rack and the load-bearing detection mechanism 4 are prevented from having a docking deviation that affects the load-bearing detection.

[0035] See also Figure 2 and Figure 3 The clamping end 1 includes a built-in bidirectional electric push rod 10 embedded in the middle of the upper end of the upper plate 200. The pushing section of the built-in bidirectional electric push rod 10 is equipped with a connecting plate that is slidably connected to the upper plate 200. The upper end of the connecting plate is equipped with a C-shaped clamping plate 11, whose opening faces the fixed section of the built-in bidirectional electric push rod 10. The lower end of the C-shaped clamping plate 11 is slidably connected to the upper end of the upper plate 200 via a symmetrically mounted guide plate. The opening of the C-shaped clamping plate 11 is symmetrically mounted with outwardly inclined inclined plates at both ends. In other words, the two inclined plates on the same C-shaped clamping plate 11 form an "eight" structure with the larger diameter end facing the fixed section of the built-in bidirectional electric push rod 10. To prevent excessive movement of the C-shaped clamping plate 11 and deformation of the display stand before inspection, a distance limiting plate 6 is provided on the upper end of the upper plate 200 to limit the movement of the C-shaped clamping plate 11.

[0036] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 7 and Figure 8The impact detection mechanism 3 includes an impact end 30 and a moving end 31. The moving end 31 includes a base 23. A linear electric rail 24 is symmetrically installed at the lower end of the base 23. The linear electric rail 24 corresponds to the linear rail 21 one by one. The impact end 30 includes a vertical frame 310 installed on the moving end 31 through an L-shaped plate. A plurality of rectangular through-slots are equidistantly provided on the vertical frame 310 from top to bottom. A built-in plate 311 is rotatably installed in the rectangular through-slot. The rotation axis of the built-in plate 311 extends vertically from top to bottom. Stop plates 312 are inserted between the side walls of the rectangular through-slot on both sides of the built-in plate 311 arranged along its length direction. The stop plates 312 slide through the vertical frame 310. Point-type impact members 313 and surface-type impact members 314 are respectively provided on both sides of the built-in plate 311 arranged along its width direction. The point-type impact member 313 includes a plurality of impact heads 31 distributed in a matrix. The cam 330 is provided with a plurality of teeth on the cam 331 and the cam 332, and the teeth on the cam 331 are respectively provided with a plurality of teeth on the cam 331 and the cam 332. The rotating vertical axis can be rotatably mounted on an existing ground, or connected to a corresponding linear track 21 through a mounting plate without affecting the movement of the pedestal 20 / base 23 .

[0037] During operation: S1. Place the display rack in the middle of the upper end of the upper plate 200 with the space facing the load-bearing detection mechanism 4. Then, the built-in bidirectional electric push rod 10 is used to drive the two C-shaped clamping plates 11 to move toward each other. The inclined plate moves synchronously with the C-shaped clamping plates 11, and the inclined plate is used to guide the display rack. Finally, the two C-shaped clamping plates 11 clamp and fix the lower end of the display rack.

[0038] S2. Two collision tests are performed sequentially: one in which the striking end 30 is moved to collide with the display frame while the display frame is fixed, and the other in which the display frame and striking end 30 are moved toward each other. Specifically, in the first collision test, the locking plate is manually removed, and the toothed plate 330 on the base 23 is moved away from the end of the base 23 until the gear 331 separates from the toothed plate 330 on the base 23. The toothed plate 330 on the pedestal 20 remains engaged with the gear 331, and the inverted L-shaped plate 22 remains inserted between the pedestal 20 and the linear track 21. The single-sided linear electric track 24 then operates to cause the base 23 to drive the striking end 30 toward the display frame. At this point, the point striking member 313 on the internal plate 311 faces the display frame, and the point striking member 313 collides with the side of the display frame. The two striking ends 30 alternately collide with the display frame to test the display frame's performance under the impact force. If the display frame exhibits deformation, cracks, or partial breakage, it indicates that the display frame does not meet quality requirements.

[0039] The second collision test is performed with the gear 331 and toothed plate 330 engaged, the inverted L-shaped plate 22 removed, and the point-type impact member 313 on the inner plate 311 facing the display frame. The toothed plate 330 is fixed to the base 23 via the locking plate. The two impacting ends 30 are then used to alternately impact the display frame to test its performance under the impact force. If the display frame is deformed, cracked, or partially broken, it indicates that the display frame does not meet the quality requirements.

[0040] S3. After the collision detection of the side end of the display rack is completed, the upper plate 200 is driven by the motor 202 to drive the clamping end 1 and the display rack in the clamping position to rotate synchronously, and finally the empty space on the display rack is oriented toward the collision end 30. Then, the stop plate 312 is manually removed, and the inner plate 311 is rotated so that the surface-type collision member 314 is oriented toward the empty space on the display rack. The stop plate 312 is then reinstalled to fix the inner plate 311. Then, the two collision tests are performed according to step S2.

[0041] See also Figure 1 and Figure 2 The load-bearing detection mechanism 4 includes a moving platform 40, and hydraulic cylinders 41 are symmetrically installed on the upper end of the moving platform 40. The two hydraulic cylinders 41 are connected to a hydraulic pump (not shown in the figure) installed on the upper end of the moving platform 40. A rectangular frame 42 is installed between the pushing ends of the hydraulic cylinders 41. Guide columns are symmetrically installed on the upper end of the moving platform 40. The upper ends of the guide columns are slidably connected to the lower ends of the rectangular frame 42. The guide columns are used to improve the overall structural stability between the rectangular frame 42, the hydraulic cylinders 41 and the moving platform 40. A number of pressure members 43 arranged in a matrix are provided on the rectangular frame 42.

[0042] See Figure 3 、 Figure 4 、 Figure 5 and Figure 6The pressure member 43 comprises a circular tube 430 threadedly mounted on the rectangular frame 42. A pressure block 431 is attached to the end of the circular tube 430 near the clamping end 1 via an ear mount. After the display frame is clamped and secured by the clamping end 1, the pressure blocks 431 correspond one-to-one with the spaces on the display frame. The pressure member 43 also includes a side groove at one end of the pressure block 431. A rotating plate 432 is rotatably mounted within the side groove. A C-shaped plate 433 is mounted on the upper end of the rotating plate 432. A round rod 434 is disposed between the two ends of the C-shaped plate 433. One end of the round rod 434 is slidably connected to the corresponding end of the C-shaped plate 433, and the other end is threadedly connected to the end of the C-shaped plate 433. The pressure block 431 is bolted to the lower end of the ear mount.

[0043] During operation, after S4 and step S3 are completed, the clamping end 1 and the display frame are reset, and the display frame returns to a state where the space faces the load-bearing detection mechanism 4. The inverted L-shaped plate 22 is reinstalled to fix the lower plate 201. Then, the movable platform 40 connected to an existing driving source such as an electric slider drives the hydraulic cylinder 41, the rectangular frame 42 and the pressure member 43 to move toward the display frame. Finally, the pressure member 43 enters the corresponding space. Then, the rectangular frame 42 drives the pressure member 43 downward through the cooperation of the hydraulic pump and the hydraulic cylinder 41. The pressure block 431 presses down the bottom end of the space to test the performance of the display frame under load. If the display frame is deformed, cracked, or partially broken when the vertical frame 310 moves down to the rated position or before it moves down to the rated position, it indicates that the quality of the display frame does not meet the requirements.

[0044] Because the circular tube 430 and the rectangular frame 42 are threadedly connected, the linear distance between the pressure block 431 and the rectangular frame 42 can be adjusted by rotating the circular tube 430 to change the load-bearing force distribution of the display stand, thereby forming a load-bearing detection mode with uniform downward pressure distribution on a single layer, a load-bearing detection mode with uneven downward pressure distribution on a single layer, a load-bearing detection mode with uniform downward pressure distribution on multiple layers, a load-bearing detection mode with uneven downward pressure distribution on multiple layers, and a load-bearing detection mode that combines uniform downward pressure distribution and uneven downward pressure distribution under synchronous downward pressure on multiple layers. By rotating the circular tube 430, the dynamic pressure member 43 is moved toward the rectangular frame 42, thereby shortening the linear distance between the corresponding pressure member 43 and the rectangular frame 42. When the rectangular frame 42 drives the circular tube 430 and the pressure member 43 toward the display stand, the previously stationary pressure member 43 enters the space, and the changed pressure member 43 is located outside the corresponding space. When the rectangular frame 42 subsequently moves downward, the pressure member 43 located outside the space will not exert downward pressure on the display stand. Select several load-bearing test modes or all load-bearing test modes according to needs to carry out quality inspection on the display stand.

[0045] S5. The detachable pressure block 431 and the collision detection mechanism 3 are used to form a collision detection mode for the display stand under load. Specifically: the pressure block 431 and the C-shaped plate 433 are removed as a whole by manually rotating the pressure block 431, and then the pressure block 431 is placed in the space. Then, the C-shaped plate 433 and the rotating plate 432 are rotated so that the C-shaped plate 433 is in contact with the bottom end of the space. The overall position of the C-shaped plate 433 and the pressure block 431 is adjusted so that the vertical section of the space is stuck in the C-shaped plate 433. At this time, the C-shaped plate 433 cannot move toward or away from the rectangular frame 42. , i.e., longitudinal movement, and then round rods 434 are installed to fix the U-shaped plate 433 and pressure blocks 431 as a whole to the display frame. At this time, the installation round rods 434 are limited by the vertical section of the space, so that the U-shaped plate 433 cannot move horizontally. The load-bearing capacity of the display frame is adjusted by changing the number of pressure blocks 431 on the display frame, and the load-bearing capacity distribution of the display frame is adjusted by changing the position of the pressure blocks 431 on the display frame. The subsequent collision detection is the same as the collision process described above.

[0046] See Figure 5 and Figure 6 After the pressure block 431 is fixed to the space of the display frame via the U-shaped plate 433 and the round rod 434, in order to further enrich the data obtained from the impact test of the display frame under load, the pressure block 431 can be weighted. Specifically, a block groove is defined at the upper end of the pressure block 431, away from the corresponding side groove. A counterweight block 435 is placed in the block groove. The counterweight block 435 has a protrusion 436 installed on the upper end and a recessed groove that cooperates with the protrusion 436. The counterweight blocks 435 are assembled by the protrusion 436 and the recessed groove. The overall weight of the display frame can be further adjusted by adjusting the number of counterweight blocks 435 on the pressure block 431. The counterweight blocks 435 will not change position during the collision test, thereby ensuring the accuracy of the collision test results of the display frame under load.

[0047] See Figure 7 and Figure 8 The point-type impact member 313 also includes a plurality of telescopic blocks 317 arranged from top to bottom on the built-in plate 311. Two limit pins 318 are provided between the movable section and the fixed section of the telescopic block 317. Two limit holes 319 arranged along the width direction of the telescopic block 317 are symmetrically provided at both ends of the fixed section of the telescopic block 317. A limit hole 319 is provided at both ends of the movable section of the telescopic block 317. The limit pin 318 is inserted between the corresponding two limit holes 319. A plurality of equidistantly arranged impact heads 315 are provided on the movable section of the telescopic block 317.

[0048] During the display stand collision detection process, the distribution of the collision force can be adjusted by varying the overall length of the impact head 315 and the telescopic block 317, achieving an adjustable impact force distribution position, enriching the diversity of display stand quality testing and improving the accuracy of display stand quality testing data. Specifically, by manually moving the limit pin 318, the limit pin 318 is separated from the movable section of the telescopic block 317. The movable section of the telescopic block 317 then drives the connected impact head 315 toward the interior of the fixed section of the telescopic block 317. When the movable section of the telescopic block 317 can no longer move, the limit pin 318 is re-engaged in the corresponding limit hole 319 on the telescopic block 317, securing the movable section of the telescopic block 317. At this point, the overall length of the telescopic block 317 and the impact head 315 thereon is at its shortest. When the impact head 315, which has not changed its position, collides with the side of the display stand, the impact head 315, which has changed its position, does not contact the display stand.

[0049] See Figure 7 and Figure 8 The surface-type impact member 314 also includes an intermediate plate 320 arranged on the rear side of the impact plate 316. The intermediate plate 320 has matching grooves symmetrically opened at both ends, and a docking groove 321 is opened on the inner wall of the matching groove. The positions corresponding to the matching grooves on the built-in plate 311 are rotatably installed with cylinders 322. The outer ring surface of one end of the cylinder 322 is axially installed with several groups of convex keys 323. The docking grooves 321 and the corresponding convex keys 323 cooperate. The intermediate plate 320 is located between the two adjacent groups of convex keys 323. The other end of the cylinder 322 passes through the built-in plate 311 and is slidably installed with a round sleeve 324 through spline cooperation. The round sleeve 324 is threadedly installed on the built-in plate 311. The impact head 315 can be set to be fixedly connected to the movable section of the telescopic block 317, or it can be set to be threadedly connected to the movable section of the telescopic block 317. When the impact head 315 is installed with a threaded connection, it is more convenient to replace it in time; the impact plate 316 can be set to be fixedly connected to the intermediate plate 320, or it can be set to be installed on the intermediate plate 320 by bolts. When the impact plate 316 is installed by bolts, it is more convenient to replace it in time.

[0050] During display rack collision testing, the distribution of the collision force can be adjusted by varying the linear distance between the impact plate 316 and the inner plate 311, achieving an adjustable impact force distribution position, enriching the diversity of display rack quality testing and improving the accuracy of display rack quality testing data. Specifically, by manually rotating the sleeve 324, it causes the attached cylinder 322 to rotate synchronously, which in turn causes the key 323 on it to rotate synchronously. When the key 323 aligns with the docking groove 321, the middle plate 320 drives the impact plate 316 along the axis of the cylinder 322 toward the inner plate 311 until the middle plate 320 moves again between the two adjacent sets of keys 323. The sleeve 324 is then rotated to cause the cylinder 322 to rotate the key 323, causing the key 323 to shift with the docking groove 321. The two adjacent sets of keys 323 then limit and secure the middle plate 320. When the impact plate 316 (which has not changed its position) collides with the display rack, the impact plate 316 (which has changed its position) does not contact the display rack.

[0051] See Figure 4 、 Figure 5 and Figure 6 An inner shaft 437 is installed in the circular tube 430 for limited sliding. A screw is installed at one end of the inner shaft 437 through an ear plate. A connecting plate 438 is threadedly installed on the screw. The connecting plate 438 is vertically slidably installed on one end of the extension shaft 439. The other end of the extension shaft 439 extends to the outside of the circular tube 430, and the ear seat is sleeved on the end of the extension shaft 439. During the load-bearing test of the display stand, the position of the pressing block 431 within the space can also be adjusted, that is, the distribution of the load-bearing force within the space can be adjusted. Specifically, by pulling the extension shaft 439 outward, the extension shaft 439 drives the inner shaft 437 to move synchronously through the connecting plate 438 and the screw, so that the distance between the pressing block 431 and the rectangular frame 42 increases. When the distance of the rectangular frame 42 moving toward the display stand is fixed, the longitudinal position of the pressing block 431 within the space due to the increased distance between the pressing block 431 and the rectangular frame 42 changes. When the connecting plate 438 is completely moved outside the circular tube 430, the extension shaft 439 is rotated, and the pressing block 431 and the connecting plate 438 rotate synchronously with the extension shaft 439, thereby changing the lateral position of the pressing block 431 relative to the space, further enriching the data obtained from the load-bearing test of the display stand.

[0052] In the description of the present invention, it should also be noted that, unless otherwise expressly specified or limited, the terms "disposed," "connected," "installed," and "connected" should be understood in a broad sense. For example, they may refer to fixed or detachable connections, integral or sliding connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0053] The embodiments of this specific implementation method are all preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A steel display rack quality inspection platform, comprising a movable member with a clamping end for fixing the display rack, characterized in that: The two sides of the moving member arranged along the length direction are symmetrically provided with collision detection mechanisms, and one side of the moving member arranged along the width direction is provided with a load-bearing detection mechanism; The collision detection mechanism includes a collision end and a moving end, wherein a linkage member is provided between the moving end and the moving member, and the linkage member is used to move the collision end to cause a collision with the exhibition stand when the exhibition stand is fixed, and to cause the exhibition stand and the collision end to move toward each other to cause a collision; The load-bearing detection mechanism includes a mobile platform, a hydraulic cylinder is symmetrically installed on the upper end of the mobile platform, a rectangular frame is installed between the pushing ends of the hydraulic cylinder, and a plurality of pressure members arranged in a matrix are provided on the rectangular frame; The pressure member comprises a round tube threadedly mounted on the rectangular frame, and a pressure block is provided at one end of the round tube near the clamping end through an ear seat. After the display frame is clamped and fixed by the clamping end, the pressure block corresponds to the space on the display frame one by one. The impact end includes a vertical frame mounted on the mobile end via an L-shaped plate, the vertical frame being provided with a plurality of rectangular through-slots equidistantly from top to bottom, a built-in plate being rotatably mounted in the rectangular through-slot, the rotation axis of the built-in plate extending vertically from top to bottom, a stop plate being inserted between the built-in plate and the side wall of the rectangular through-slot, the stop plate slidingly passing through the vertical frame, and a point-type impact member and a surface-type impact member being respectively provided on both sides of the built-in plate arranged along its width direction; The point-type impact member includes a plurality of impact heads arranged in a matrix, and the surface-type impact member includes a plurality of impact plates arranged equidistantly from top to bottom. When the space on the display rack faces the load-bearing detection mechanism, the point-type impact member impacts the display rack. When the space on the display rack faces the impact end, the surface-type impact member impacts the display rack. The pressure member also includes a side groove provided at one end of the pressure block, a rotating plate is rotatably installed in the side groove, a C-shaped plate is installed on the upper end of the rotating plate, a round rod is provided between the two ends of the C-shaped plate, one end of the round rod is slidably connected to the corresponding end of the C-shaped plate, and the other end is threadedly connected to the end of the C-shaped plate, and the pressure block is mounted on the lower end of the ear seat by a bolt; An inner shaft is installed in the circular tube for limiting sliding. A screw is installed at one end of the inner shaft through an ear plate. A connecting plate is threadedly installed on the screw. The connecting plate is vertically slidably installed on one end of the extension shaft. The other end of the extension shaft extends to the outside of the circular tube, and the ear seat is sleeved on the end of the extension shaft.

2. The steel display rack quality inspection platform according to claim 1, characterized in that: The point-type impact member also includes several telescopic blocks arranged from top to bottom on the built-in plate, two limit pins are arranged between the movable section and the fixed section of the telescopic block, two limit holes are symmetrically opened at both ends of the fixed section of the telescopic block, and a limit hole is opened at both ends of the movable section of the telescopic block. The limit pin is inserted between the two limit holes corresponding to the fixed section and the movable section, and several equidistantly arranged impact heads are provided on the movable section of the telescopic block.

3. The steel display rack quality inspection platform according to claim 2, characterized in that: The surface-type impact member also includes an intermediate plate arranged on the rear side of the impact plate, and matching through grooves are symmetrically opened at both ends of the intermediate plate, and docking grooves are opened on the inner walls of the matching through grooves. Cylinders are rotatably installed at the positions corresponding to the matching through grooves on the built-in plate, and several groups of convex keys are installed on the outer ring surface of one end of the cylinder along its axial direction. The docking grooves and the corresponding convex keys cooperate with each other. The intermediate plate is located between the two adjacent groups of convex keys, and the other end of the cylinder passes through the built-in plate and is slidably installed with a round sleeve through spline cooperation, and the round sleeve is threadedly installed on the built-in plate.

4. The steel display rack quality inspection platform according to claim 1, characterized in that: The moving part includes a pedestal and a linear rail, the clamping end is arranged at the upper end of the pedestal, and the linear rail is symmetrically installed at the lower end of the pedestal. A number of inverted L-shaped plates are inserted between the pedestal and the linear rail. The moving end includes a base, and the linear electric rail is symmetrically installed at the lower end of the base. The linear electric rail corresponds to the linear rail one by one.

5. The steel display rack quality inspection platform according to claim 4, characterized in that: The linkage part includes tooth plates arranged at the lower ends of the pedestal and the base, the tooth plates are symmetrically arranged along the width direction of the pedestal, the pedestal and the corresponding tooth plates are fixedly connected, the base and the corresponding tooth plates are slidably connected, and the positions of the base corresponding to the connected tooth plates are provided with lock holes, and locking plates are inserted into the lock holes. The corresponding and adjacent tooth plates on the pedestal and the base are meshed and connected with the same gear, and the gear is installed on the rotating vertical axis. The lower end of the base is provided with an avoidance groove for avoiding the tooth plate connected to the pedestal.

6. The steel display rack quality inspection platform according to claim 4, characterized in that: The pedestal is composed of an upper plate and a lower plate provided at the lower end of the upper plate and slidably connected to the linear track, and a conversion member is connected between the lower plate and the upper plate; The conversion member includes a mounting groove provided in the middle of the upper end of the lower plate, a motor is installed in the mounting groove, an output end of the motor is fixedly connected to the upper plate, and the lower end surface of the upper plate contacts the upper end surface of the lower plate.

7. The steel display rack quality inspection platform according to claim 6, characterized in that: The clamping end includes a built-in bidirectional electric push rod embedded in the middle of the upper end of the upper plate, and the pushing section of the built-in bidirectional electric push rod is installed with a connecting plate that is slidably connected to the upper plate, and the upper end of the connecting plate is installed with a U-shaped splint with an opening facing the fixed section of the built-in bidirectional electric push rod.

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