Data acquisition device for impact load test of storage stand column

Abstract

The invention relates to the technical field of storage stand column testing devices, in particular to a data acquisition device for storage stand column impact load testing, which comprises a base and a measuring seat, universal wheels are mounted at the bottom of the base, a push rod is mounted on the outer side of the base, the measuring seat is mounted at the top of the base, and stand column grooves are formed in the base and the measuring seat. The top side of the measuring seat is rotatably provided with a tooth ring, the tooth ring is provided with a gap, the top side of the tooth ring is symmetrically provided with supporting rods, the top ends of the supporting rods are provided with cross rods, a rotating seat is installed between the two cross rods, the bottom side of the rotating seat is provided with a connecting arm, and the bottom end of the connecting arm is provided with an impact block. Speed measuring gratings are mounted on the two supporting rods, a mounting rod is mounted on the gear ring, and an ultrasonic flaw detector is mounted at the top end of the mounting rod; the whole device is convenient to move, assemble and use, the whole device is moved to a storage site, field detection and data collection are conducted on the stand columns, and the accuracy of detection data is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of storage column testing devices, and in particular to a data acquisition device for storage column impact load testing. Background Art

[0002] The integrated storage structure system is new in that the load-bearing structure of the warehouse rack is divided into the main structure and the secondary structure. The main structure adopts a new type of steel-concrete composite structural member, that is, a thin-walled steel-concrete composite structural member. Its structural form is that thin-walled steel is built in concrete, and the outer concrete protective layer can greatly delay the heating time of the thin-walled steel member, thereby improving the fire resistance of the member and making the storage structure meet the fire resistance requirements.

[0003] When testing storage columns, existing devices generally move the finished storage columns into the device for testing. That is, the test location of the storage columns is located in the laboratory, which cannot simulate the actual working environment and installation conditions of the storage columns. In addition, during the test, there are errors in the impact test of a single point, which affects the collection data results. Summary of the invention

[0004] The problem to be solved by the present invention is to provide a data acquisition device for testing the impact load of storage columns, which solves the problem that when the existing devices test the storage columns, the finished products of the storage columns are generally moved into the device for testing, that is, the testing location of the storage columns is located in the laboratory, and the actual working environment and installation conditions of the storage columns cannot be simulated; and during the test, the impact test of a single point has errors, which affects the technical problem of collecting data results.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A data acquisition device for testing the impact load of a storage column comprises a base and a measuring seat, wherein a universal wheel is installed at the bottom of the base, a push rod is installed at the outer side of the base, a measuring seat is installed at the top of the base, column grooves are provided on the base and the measuring seat, a gear ring is rotatably installed at the top side of the measuring seat, and a notch is provided on the gear ring, support rods are symmetrically installed at the top side of the gear ring, a cross bar is installed at the top of the support rod, a swivel seat is installed between two of the cross bars, a connecting arm is installed at the bottom side of the swivel seat, an impact block is installed at the bottom end of the connecting arm, speed measuring gratings are installed on the two support rods, a mounting rod is installed on the gear ring, and an ultrasonic flaw detector is installed on the top of the mounting rod, an auxiliary mechanism is installed on the measuring seat, and the auxiliary mechanism drives the measuring seat to rise and fall along the column.

[0006] Preferably, a plurality of limiting holes are provided on the base, and a plurality of limiting columns are installed on the bottom side of the measuring seat.

[0007] Preferably, a plurality of rotating teeth are installed on the top side of the measuring seat, and the rotating teeth are meshed with the outer side of the gear ring. A plurality of guide wheels are installed on the top side of the measuring seat, and the guide wheels are in contact with the inner side of the gear ring.

[0008] Preferably, two first motors and a hydraulic pump are installed on the bottom side of the measuring seat, and two output ends of the first motors are connected to two of the rotating gears.

[0009] Preferably, a rotating shaft is fixedly installed inside the rotating seat, and the rotating shaft and the cross bar are connected through a bearing, a second motor is installed at one end of the cross bar, and the output end of the second motor is connected to the end of the rotating shaft through an electromagnetic coupling.

[0010] Preferably, the auxiliary mechanism includes a mounting plate symmetrically installed on both sides of the column groove of the measuring seat, a first hydraulic cylinder is installed on the outer side of the mounting plate, and the telescopic end of the first hydraulic cylinder is connected to a clamping plate, and a plurality of first guide columns passing through the mounting plate are installed on the clamping plate.

[0011] Preferably, a second hydraulic cylinder is installed in the mounting plate, wherein a first roller seat is installed at the telescopic end of the second hydraulic cylinder of one mounting plate, and a movable seat is installed at the telescopic end of the second hydraulic cylinder of another mounting plate, and a second guide column passing through the mounting plate is installed on the first roller seat and the movable seat.

[0012] Preferably, a plurality of first rotating rollers are installed in the first roller seat, a third motor is installed on the first roller seat, and an output end of the third motor is connected to one of the first rotating rollers.

[0013] Preferably, a fourth motor is installed on the movable seat, a rotating arm is installed on the output end of the fourth motor, and the rotating arm is connected to the second roller seat, a plurality of second rollers are installed in the second roller seat, a fifth motor is installed on the second roller seat, and the output end of the fifth motor is connected to one of the second rollers.

[0014] Preferably, the specific operating steps of the device are as follows: Step 1: The first motor drives two of the rotating teeth to rotate, cooperates with the meshing gear ring, drives the gear ring to rotate between the rotating teeth and the guide wheel, rotates the notch of the gear ring to align with the column slot, and then the fourth motor works to rotate the rotating arm and the second roller seat to the outside of the column slot. At this time, the device is moved outside the column, and the column is located in the column slot; Step 2: The second roller seat is rotated to the top of the column slot by the fourth motor. At this time, the clamping plate is driven by the first hydraulic cylinder to move and contact the outer wall of the column. At this time, the fixed connection between the measuring seat and the column is realized. The first roller of the first roller seat and the second roller of the second roller seat are driven by the second hydraulic cylinder to contact the outer wall of the column. At this time, the first hydraulic cylinder contracts, and the first roller is driven to rotate by the third motor. The fifth motor drives the second roller to rotate, thereby driving the measuring seat to rise and fall on the column; Step 3: After the lifting is completed, the first hydraulic cylinder is extended and clamped and reinforced through the clamping plate, and the electromagnetic coupling is energized to realize the connection between the output end of the second motor and the rotating shaft. At this time, the second motor drives the rotating shaft to rotate, and the rotating shaft drives the rotating seat and the connecting arm to rotate, and then the impact block is rotated to a height. At this time, the electromagnetic coupling is powered off, and under the action of gravity, the connecting arm drives the impact block to rotate downward to impact the surface of the column; Step 4: At this time, the gear ring rotates and the measuring seat rises and falls, the impact block hits different positions of the column, the impact speed of the impact block is measured by the speed measuring grating, and the column is inspected by the ultrasonic flaw detector on the mounting rod.

[0015] The beneficial effects of the present invention are as follows: the device is installed on the outside of the column, and the clamping plate is driven by the first hydraulic cylinder to move and contact the outer wall of the column. At this time, a fixed connection between the measuring seat and the column is achieved, which is convenient for enhancing the firmness of the device installation when performing an impact test. The first roller of the first roller seat and the second roller of the second roller seat are driven by the second hydraulic cylinder to contact the outer wall of the column, and the first hydraulic cylinder contracts, and the first roller is driven to rotate by the third motor, and the second roller is driven to rotate by the fifth motor, thereby driving the measuring seat to rise and fall on the column to adjust the height of the measuring seat, and at the same time, the first motor drives two of the rotating teeth to rotate and cooperate with the meshing gear ring to drive the gear ring to rotate between the rotating teeth and the guide wheel, thereby adjusting the height and angle of the impact block and the ultrasonic flaw detector, thereby realizing a full range of impact load testing and data collection on the column; By replacing the impact block, it is convenient to replace the impact blocks of different masses for testing. At the same time, the second motor drives the rotating shaft to rotate, and the rotating shaft drives the rotating seat and the connecting arm to rotate, thereby adjusting the height of the impact block, and then adjusting the speed of the impact block, so as to facilitate the impact load test of the column by the impact blocks of different masses and different speeds; The device as a whole is easy to move and assemble for use, and then the device as a whole is moved to the storage site, and the columns are inspected on the spot and data is collected to ensure the accuracy of the inspection data. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the first structure of the present invention as a whole; Figure 2 It is a schematic diagram of the second structure of the present invention as a whole; Figure 3 It is a schematic diagram of the third structure of the present invention as a whole; Figure 4 It is a schematic diagram of the local structure of the present invention; Figure 5 This is a schematic diagram of the fourth overall structure of the present invention.

[0017] Legend: 1. Base; 2. Universal wheel; 3. Push rod; 4. Limit hole; 5. Column slot; 6. Measuring seat; 7. Limit column; 8. Gear ring; 9. Notch; 10. Rotating gear; 11. Guide wheel; 12. First motor; 13. Hydraulic pump; 14. Support rod; 15. Cross bar; 16. Rotating seat; 17. Connecting arm; 18. Impact block; 19. Speed ​​grating; 20. Rotating shaft; 21. Second motor; 22. Electromagnetic coupling; 23. Mounting rod; 24. Ultrasonic flaw detector; 25. Mounting plate; 26. First hydraulic cylinder; 27. First guide column; 28. Clamp; 29. ​​Second hydraulic cylinder; 30. Second guide column; 31. First roller seat; 32. First rotating roller; 33. Third motor; 34. Movable seat; 35. Rotating arm; 36. Fourth motor; 37. Second roller seat; 38. Second rotating roller; 39. Fifth motor. DETAILED DESCRIPTION

[0018] 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.

[0019] Specific examples are given below.

[0020] See also Figure 1~Figure 5 A data acquisition device for testing the impact load of a storage column comprises a base 1 and a measuring seat 6. A universal wheel 2 is installed at the bottom of the base 1. The device as a whole is easy to move and assemble for use, and then the device as a whole is moved to the storage site to perform on-site detection and data collection on the column to ensure the accuracy of the detection data. A push rod 3 is installed on the outside of the base 1, and a measuring seat 6 is installed on the top of the base 1. A column groove 5 is provided on the base 1 and the measuring seat 6. A gear ring 8 is rotatably installed on the top side of the measuring seat 6, and a notch 9 is provided on the gear ring 8. A plurality of rotating teeth 10 are installed on the top side of the measuring seat 6, and the rotating teeth 10 are meshed with the outer side of the gear ring 8. A plurality of guide wheels 11 are installed on the top side of the measuring seat 6, and The guide wheel 11 is in contact with the inner side of the gear ring 8, two first motors 12 and a hydraulic pump 13 are installed on the bottom side of the measuring seat 6, the output ends of the two first motors 12 are connected to two of the rotating teeth 10, support rods 14 are symmetrically installed on the top side of the gear ring 8, a cross bar 15 is installed on the top of the support rod 14, a swivel seat 16 is installed between the two cross bars 15, a connecting arm 17 is installed on the bottom side of the swivel seat 16, and an impact block 18 is installed on the bottom end of the connecting arm 17, speed measuring gratings 19 are installed on the two support rods 14, a mounting rod 23 is installed on the gear ring 8, and an ultrasonic flaw detector 24 is installed on the top of the mounting rod 23, an auxiliary mechanism is installed on the measuring seat 6, and the auxiliary mechanism drives the measuring seat 6 to rise and fall along the column.

[0021] A plurality of limiting holes 4 are formed on the base 1 , and a plurality of limiting posts 7 are installed on the bottom side of the measuring seat 6 . The limiting posts 7 of the measuring seat 6 are inserted into the limiting holes 4 , so that the base 1 and the measuring seat 6 can be used in combination.

[0022] A rotating shaft 20 is fixedly installed inside the rotating seat 16, and the rotating shaft 20 and the cross bar 15 are connected by bearings. A second motor 21 is installed at the end of one of the cross bars 15, and the output end of the second motor 21 is connected to the end of the rotating shaft 20 through an electromagnetic coupling 22. By replacing the impact block 18, it is convenient to replace the impact blocks 18 of different masses for testing. At the same time, the rotating shaft 20 is driven to rotate by the second motor 21, and the rotating shaft 20 drives the rotating seat 16 and the connecting arm 17 to rotate, thereby adjusting the height of the impact block 18, and then adjusting the speed of the impact block 18, so as to facilitate the impact load test of the impact blocks 18 of different masses and different speeds on the column.

[0023] The auxiliary mechanism includes a mounting plate 25 symmetrically mounted on both sides of the column slot 5 of the measuring seat 6, a first hydraulic cylinder 26 is mounted on the outer side of the mounting plate 25, and the telescopic end of the first hydraulic cylinder 26 is connected to the clamping plate 28, a plurality of first guide columns 27 penetrating the mounting plate 25 are mounted on the clamping plate 28, a second hydraulic cylinder 29 is mounted in the mounting plate 25, a first roller seat 31 is mounted on the telescopic end of the second hydraulic cylinder 29 of one mounting plate 25, and a movable seat 34 is mounted on the telescopic end of the second hydraulic cylinder 29 of the other mounting plate 25 The first roller seat 31 and the movable seat 34 are provided with a second guide column 30 penetrating the mounting plate 25. A plurality of first rotating rollers 32 are provided in the first roller seat 31. A third motor 33 is provided on the first roller seat 31, and the output end of the third motor 33 is connected to one of the first rotating rollers 32. A fourth motor 36 is provided on the movable seat 34. A rotating arm 35 is provided at the output end of the fourth motor 36, and the rotating arm 35 is connected to the second roller seat 37. A plurality of second rotating rollers 38 are provided in the second roller seat 37. A fifth motor 39 is installed, and the output end of the fifth motor 39 is connected to one of the second rollers 38. The device is installed on the outside of the column. The first hydraulic cylinder 26 drives the clamping plate 28 to move and contact the outer wall of the column. At this time, the fixed connection between the measuring seat 6 and the column is realized, which is convenient for enhancing the firmness of the device installation during the impact test. The second hydraulic cylinder 29 drives the first roller 32 of the first roller seat 31 and the second roller 38 of the second roller seat 37 to contact the outer wall of the column, and the first hydraulic cylinder 26 contracts. The third motor 33 drives the first roller 32 to rotate, and the fifth motor 39 drives the second roller 38 to rotate, thereby driving the measuring seat 6 to rise and fall on the column to adjust the height of the measuring seat 6. At the same time, the first motor 12 drives two of the rotating teeth 10 to rotate, cooperate with the meshing gear ring 8, and drive the gear ring 8 to rotate between the rotating teeth 10 and the guide wheel 11, thereby adjusting the height and angle of the impact block 18 and the ultrasonic flaw detector 24, and realizing a full range of impact load testing and data collection on the column.

[0024] The specific operation steps of the device are as follows: Step 1: The first motor 12 drives two of the rotating teeth 10 to rotate, cooperates with the meshing gear ring 8, drives the gear ring 8 to rotate between the rotating teeth 10 and the guide wheel 11, rotates the notch 9 of the gear ring 8 to align with the column slot 5, and then the fourth motor 36 works to rotate the rotating arm 35 and the second roller seat 37 to the outside of the column slot 5. At this time, the device is moved outside the column, and the column is located in the column slot 5; Step 2: The second roller seat 37 is rotated to the top of the column slot 5 by the fourth motor 36. At this time, the clamping plate 28 is driven by the first hydraulic cylinder 26 to move and contact the outer wall of the column. At this time, the fixed connection between the measuring seat 6 and the column is realized. The first roller 32 of the first roller seat 31 and the second roller 38 of the second roller seat 37 are driven by the second hydraulic cylinder 29 to contact the outer wall of the column. At this time, the first hydraulic cylinder 26 contracts, and the first roller 32 is driven to rotate by the third motor 33. The fifth motor 39 drives the second roller 38 to rotate, thereby driving the measuring seat 6 to rise and fall on the column; Step 3: After the lifting is completed, the first hydraulic cylinder 26 is extended and clamped and reinforced by the clamping plate 28, and the electromagnetic coupling 22 is energized to realize the connection between the output end of the second motor 21 and the rotating shaft 20. At this time, the second motor 21 works to drive the rotating shaft 20 to rotate, and the rotating shaft 20 drives the rotating seat 16 and the connecting arm 17 to rotate, and then the impact block 18 is rotated to a height. At this time, the electromagnetic coupling 22 is powered off, and under the action of gravity, the connecting arm 17 drives the impact block 18 to rotate downward to impact the surface of the column; Step 4: At this time, the gear ring 8 rotates and the measuring seat 6 rises and falls, the impact block 18 impacts different positions of the column, the impact speed of the impact block 18 is measured by the speed measuring grating 19, and the column is inspected by the ultrasonic flaw detector 24 on the mounting rod 23.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A data acquisition device for storage column impact load testing, characterized in that: The measuring device comprises a base (1) and a measuring seat (6), wherein a universal wheel (2) is mounted on the bottom of the base (1), a push rod (3) is mounted on the outside of the base (1), a measuring seat (6) is mounted on the top of the base (1), a column groove (5) is provided on both the base (1) and the measuring seat (6), a gear ring (8) is rotatably mounted on the top side of the measuring seat (6), and a notch (9) is provided on the gear ring (8), a support rod (14) is symmetrically mounted on the top side of the gear ring (8), and a cross rod (14) is mounted on the top of the support rod (14). 15), a swivel seat (16) is installed between the two cross bars (15), a connecting arm (17) is installed on the bottom side of the swivel seat (16), a collision block (18) is installed on the bottom end of the connecting arm (17), a speed measuring grating (19) is installed on the two support bars (14), a mounting rod (23) is installed on the gear ring (8), and an ultrasonic flaw detector (24) is installed on the top of the mounting rod (23), and an auxiliary mechanism is installed on the measuring seat (6), and the auxiliary mechanism drives the measuring seat (6) to rise and fall along the column.

2. A data acquisition device for storage column impact load testing according to claim 1, characterized in that: The base (1) is provided with a plurality of limit holes (4), and the bottom side of the measuring seat (6) is provided with a plurality of limit columns (7).

3. A data acquisition device for storage column impact load testing according to claim 2, characterized in that: A plurality of rotating teeth (10) are mounted on the top side of the measuring seat (6), and the rotating teeth (10) mesh with the outer side of the gear ring (8). A plurality of guide wheels (11) are mounted on the top side of the measuring seat (6), and the guide wheels (11) are in contact with the inner side of the gear ring (8).

4. A data acquisition device for storage column impact load testing according to claim 3, characterized in that: Two first motors (12) and a hydraulic pump (13) are installed on the bottom side of the measuring seat (6), and the output ends of the two first motors (12) are connected to two of the rotating teeth (10).

5. A data acquisition device for storage column impact load testing according to claim 4, characterized in that: A rotating shaft (20) is fixedly installed and penetrates the rotating seat (16), and the rotating shaft (20) and the cross bar (15) are connected via a bearing, a second motor (21) is installed at one end of the cross bar (15), and an output end of the second motor (21) is connected to an end of the rotating shaft (20) via an electromagnetic coupling (22).

6. A data acquisition device for storage column impact load testing according to claim 5, characterized in that: The auxiliary mechanism comprises a mounting plate (25) symmetrically mounted on both sides of the column slot (5) of the measuring seat (6); a first hydraulic cylinder (26) is mounted on the outer side of the mounting plate (25); and a telescopic end of the first hydraulic cylinder (26) is connected to a clamping plate (28); and a plurality of first guide columns (27) penetrating the mounting plate (25) are mounted on the clamping plate (28).

7. A data acquisition device for storage column impact load testing according to claim 6, characterized in that: A second hydraulic cylinder (29) is installed in the mounting plate (25), wherein a first roller seat (31) is installed at a telescopic end of the second hydraulic cylinder (29) of one mounting plate (25), and a movable seat (34) is installed at a telescopic end of the second hydraulic cylinder (29) of another mounting plate (25), and a second guide column (30) penetrating the mounting plate (25) is installed on the first roller seat (31) and the movable seat (34).

8. A data acquisition device for storage column impact load testing according to claim 7, characterized in that: A plurality of first rotating rollers (32) are installed in the first roller seat (31), a third motor (33) is installed on the first roller seat (31), and an output end of the third motor (33) is connected to one of the first rotating rollers (32).

9. A data acquisition device for storage column impact load testing according to claim 8, characterized in that: A fourth motor (36) is mounted on the movable seat (34); a rotating arm (35) is mounted on the output end of the fourth motor (36); the rotating arm (35) is connected to a second roller seat (37); a plurality of second rotating rollers (38) are mounted in the second roller seat (37); a fifth motor (39) is mounted on the second roller seat (37); and an output end of the fifth motor (39) is connected to one of the second rotating rollers (38).

10. A data acquisition device for storage column impact load testing according to claim 9, characterized in that: The specific operation steps of the device are as follows: Step 1: The first motor (12) is operated to drive two of the rotating teeth (10) to rotate, and cooperate with the meshing gear ring (8), driving the gear ring (8) to rotate between the rotating teeth (10) and the guide wheel (11), and rotating the notch (9) of the gear ring (8) to align with the column slot (5). At this time, the fourth motor (36) is operated to rotate the rotating arm (35) and the second roller seat (37) to the outside of the column slot (5). At this time, the device is moved outside the column, and the column is located in the column slot (5); Step 2: The second roller seat (37) is rotated to the top of the column slot (5) by the fourth motor (36), and the clamping plate (28) is driven by the first hydraulic cylinder (26) to move and contact the outer wall of the column. At this time, the measuring seat (6) and the column are fixedly connected, and the first roller (32) of the first roller seat (31) and the second roller (38) of the second roller seat (37) are driven by the second hydraulic cylinder (29) to contact the outer wall of the column. At this time, the first hydraulic cylinder (26) contracts, and the first roller (32) is driven to rotate by the third motor (33), and the second roller (38) is driven to rotate by the fifth motor (39), thereby driving the measuring seat (6) to rise and fall on the column; Step 3: After the lifting is completed, the first hydraulic cylinder (26) is extended and clamped and reinforced by the clamping plate (28), and the electromagnetic coupling (22) is energized to achieve the connection between the output end of the second motor (21) and the rotating shaft (20). At this time, the second motor (21) works to drive the rotating shaft (20) to rotate, and the rotating shaft (20) drives the rotating seat (16) and the connecting arm (17) to rotate, thereby rotating the impact block (18) to a height. At this time, the electromagnetic coupling (22) is powered off, and under the action of gravity, the connecting arm (17) drives the impact block (18) to rotate downward to impact the surface of the column; Step 4: At this time, the toothed ring (8) is rotated and the measuring seat (6) is raised and lowered, and the impact block (18) impacts different positions of the column. The impact speed of the impact block (18) is measured by the speed measuring grating (19), and the column is inspected by the ultrasonic flaw detector (24) on the mounting rod (23).

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