Detection test device for slide rail type special door

Abstract

The utility model relates to a detection test device for a slide rail type special door, which belongs to the technical field of engineering detection equipment and comprises a detection test box. The device has the beneficial effects that the driving source of the bidirectional screw rod is automatically controlled by the PLC to start, so that the two sliding seats can be driven to move in the same direction or opposite directions, and the distance between the two hydraulic cylinders and components below the two hydraulic cylinders can be adjusted; therefore, the impact position of the impact test head can be adjusted according to the detection test requirement, the hydraulic cylinder pressurization mode is adopted to simulate the change condition of pressure borne by the door leaf under the actual working condition, a high-precision sensor is arranged to collect force value data in real time, and a PLC and a touch screen display terminal are used for displaying the force value data in real time. The system is in charge of coordinating cooperative operation of all mechanisms and visually presenting a test result through a graphical interface, through automatic control, the manual operation space can be reduced, and the detection efficiency of the sliding rail type special door body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering detection equipment, in particular to a detection and testing device for a slide-rail type special door. Background Art

[0002] With the accelerated development of urban underground space, the construction of civil air defense projects has become an important part of the modern urban defense system. In order to ensure the rapid evacuation of personnel in wartime or disasters, sliding rail special doors are widely used as important facilities. There are many types of special doors on the market, but there is a lack of special equipment and technical support for their performance testing, which directly affects the functional performance of the door body at critical moments. Therefore, how to improve the efficiency of quality inspection of special doors has become one of the key issues that the industry needs to solve urgently.

[0003] Traditional methods usually rely on manual inspection and measure the strength of the door body with simple tools. This approach is not only time-consuming and low-precision, but also unable to fully evaluate the operating conditions of the door body under different conditions. The current common problem in the market is that the detection methods lag behind the growth rate of actual application needs. Manual testing is difficult to meet the requirements of large-scale production and frequent maintenance. In addition, sliding special doors are large in size, and the work of moving special doors to the testing table is relatively cumbersome, which greatly reduces the detection efficiency. Utility Model Content

[0004] In view of the above problems existing in the prior art, the main purpose of the present utility model is to provide a detection and testing device for sliding rail type special doors.

[0005] The technical solution of the present utility model is as follows: a detection and testing device for sliding rail special doors, comprising a detection and testing box, a mounting groove is provided at the top of the inner wall of the detection and testing box, a bidirectional screw rod is rotatably connected inside the mounting groove, both ends of the outer side of the bidirectional screw rod are threadedly connected to a sliding seat, the sliding seats are slidably connected to the inner wall of the mounting groove, a hydraulic cylinder is fixedly installed at the bottom end of the sliding seat, an impact test head is fixedly connected to the piston rod of the hydraulic cylinder, a high-precision sensor is fixedly installed inside the impact test head, and a touch screen display terminal is fixedly installed on the outer side of the detection and testing box.

[0006] By adopting the above technical solution, the driving source of the bidirectional screw is automatically controlled by the PLC controller to start, thereby driving the two sliding seats to move toward or oppositely, and then the distance between the two hydraulic cylinders and the components below them can be adjusted, so that the impact position of the impact test head can be adjusted according to the requirements of the detection test, thereby improving the applicability of the device. The hydraulic cylinder pressurization method is used to simulate the pressure changes that the door leaf is subjected to under actual working conditions, and a high-precision sensor is equipped to collect force value data in real time.

[0007] As a preferred embodiment, a transfer mechanism is provided inside the detection test box, and the transfer mechanism includes a screw rotatably connected to the bottom end of the inner wall of the detection test box, and a positioning rod is fixedly connected to the inner wall of the detection test box and located on one side of the screw, and the outer side of the screw is threadedly connected to an L-shaped supporting plate, and the L-shaped supporting plate is slidably connected to the positioning rod.

[0008] By adopting the above technical solution, the L-shaped supporting plate can be driven to move by the rotation of the screw, and then the purpose of transporting the sliding rail type special door body can be achieved with the help of the L-shaped supporting plate.

[0009] As a preferred embodiment, a permanent magnet synchronous servo motor 1 is fixedly installed on the rear side of the detection test box, and the output shaft of the permanent magnet synchronous servo motor 1 extends into the interior of the mounting groove and is fixedly connected to the bidirectional lead screw.

[0010] By adopting the above technical solution, the bidirectional screw rod can be driven to rotate by the rotation of the output shaft of the permanent magnet synchronous servo motor.

[0011] As a preferred embodiment, a second permanent magnet synchronous servo motor is fixedly mounted on the outside of the detection test box, and the output shaft of the second permanent magnet synchronous servo motor extends into the interior of the detection test box and is fixedly connected to the screw.

[0012] By adopting the above technical solution, the driving source is selected as a permanent magnet synchronous servo motor, which is characterized by small size, strong torque, smooth operation and no noise interference.

[0013] As a preferred embodiment, a sliding rail type special door body is provided on the top of the L-shaped bearing plate, and the sliding rail type special door body includes two door leaves, a special door frame, two fixing grooves, two racks and a gear.

[0014] By adopting the above technical solution, a complete sliding rail type special door body can be formed through the door leaf, special door frame, fixing groove, rack and gear.

[0015] As a preferred embodiment, the two door leaves are slidably installed inside the special door frame, the door leaves are in a cross structure, and a fixing groove is provided on the side where the two door leaves are close to each other. The inner walls of the fixing grooves are fixedly connected with racks, and the inner walls of the special door frame are rotatably connected with gears, and the racks are meshed with the gears.

[0016] By adopting the above technical solution, the gear can be driven to rotate by starting the driving source in the sliding rail type special door body, so that the gear is in a meshing state with the racks on both sides thereof.

[0017] As a preferred embodiment, a servo motor is embedded in the special door frame, and the output shaft of the servo motor is fixedly connected to the central axis of the gear.

[0018] By adopting the above technical solution, the door leaf can be opened and closed by rotating the output shaft of the servo motor.

[0019] As a preferred embodiment, the inner wall of the L-shaped load-bearing plate is fixedly installed with reinforcing ribs at equal intervals, a PLC controller is fixedly installed on the outside of the detection test box, a feed port is provided on one side of the detection test box, and a visual window is provided on the outside of the detection test box.

[0020] By adopting the above technical solution and providing a viewing window, it is convenient for staff to observe the detection conditions in the detection test box.

[0021] Compared with the prior art, the advantages and positive effects of the present invention are:

[0022] 1. In the present invention, after the slide-type special door body is placed, the driving source of the bidirectional screw can be automatically controlled by the PLC controller to start, thereby driving the two sliding seats to move toward or oppositely, and then the distance between the two hydraulic cylinders and the components below them can be adjusted, so that the impact position of the impact test head can be adjusted according to the detection test requirements, thereby improving the applicability of the device, and adopting the hydraulic cylinder pressurization method to simulate the pressure changes of the door leaf under actual working conditions, and equipped with high-precision sensors to collect force value data in real time, and the PLC controller and touch screen display terminal are responsible for coordinating the collaborative operation of various mechanisms and intuitively presenting the test results through a graphical interface. Through automated control, the space for manual operation can be reduced and the detection efficiency of the slide-type special door body can be improved.

[0023] 2. In the present invention, the L-shaped supporting plate can be driven to move by the rotation of the screw, and the positioning rod can be set to make the sliding rail type special door body more stable during the transportation process and less likely to shake. Therefore, the L-shaped supporting plate can be used to achieve the purpose of transporting the sliding rail type special door body, so that the sliding rail type special door body outside the test box can be transported to the bottom of the impact test head, which greatly improves the detection efficiency of the sliding rail type special door body. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 The utility model provides an overall three-dimensional diagram of a detection and testing device for a sliding rail type special door;

[0025] Figure 2 The utility model provides a schematic diagram of the internal structure of a detection and testing device for a sliding rail type special door;

[0026] Figure 3 The utility model provides a bottom view of a detection and testing device for a sliding rail type special door;

[0027] Figure 4 The utility model provides a detection and testing device for a sliding rail type special door Figure 2 Enlarged view of point A in the middle.

[0028] Legend: 1. Testing chamber; 2. Touch screen display terminal; 3. PLC controller; 4. Permanent magnet synchronous servo motor 1; 5. Screw; 6. Positioning rod; 7. L-shaped load-bearing plate; 8. Sliding rail special door body; 801. Special door frame; 802. Door leaf; 803. Fixing groove; 804. Rack; 805. Gear; 9. Hydraulic cylinder; 10. Impact test head; 11. Sliding seat; 12. Mounting groove; 13. Bidirectional screw; 14. Permanent magnet synchronous servo motor 2; 15. High-precision sensor. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0030] Reference Figure 1-4A detection and testing device for a sliding rail type special door includes a detection test box 1, a mounting groove 12 is opened at the top of the inner wall of the detection test box 1, a bidirectional screw rod 13 is rotatably connected inside the mounting groove 12, and both ends of the outer side of the bidirectional screw rod 13 are threadedly connected to a sliding seat 11, and the sliding seat 11 is slidably connected to the inner wall of the mounting groove 12, and a hydraulic cylinder 9 is fixedly installed at the bottom end of the sliding seat 11, and an impact test head 10 is fixedly connected to the piston rod of the hydraulic cylinder 9. A high-precision sensor 15 is fixedly installed inside the impact test head 10, and a touch screen display terminal 2 is fixedly installed on the outer side of the detection test box 1. When the sliding rail type special door body 8 is placed, the drive of the bidirectional screw rod 13 can be automatically controlled by the PLC controller 3. The source is started, thereby driving the two sliding seats 11 to move toward or oppositely, and then the distance between the two hydraulic cylinders 9 and the components below them can be adjusted, so that the impact position of the impact test head 10 can be adjusted according to the detection test requirements, so as to improve the applicability of the device, and the hydraulic cylinder 9 is pressurized to simulate the pressure changes of the door leaf 802 under actual working conditions, and is equipped with a high-precision sensor 15 to collect force value data in real time, and the PLC controller 3 and the touch screen display terminal 2 are responsible for coordinating the collaborative operation of various mechanisms and intuitively presenting the test results through a graphical interface. Through automated control, the space for manual operation can be reduced, and the detection efficiency of the sliding rail special door body 8 can be improved.

[0031] Reference Figure 2 The interior of the detection test box 1 is provided with a transfer mechanism, which includes a screw 5 rotatably connected to the bottom end of the inner wall of the detection test box 1. The inner wall of the detection test box 1 and one side of the screw 5 are fixedly connected with a positioning rod 6. The outer side of the screw 5 is threadedly connected with an L-shaped supporting plate 7, and the L-shaped supporting plate 7 is slidably connected to the positioning rod 6. Through the rotation of the screw 5, the L-shaped supporting plate 7 can be driven to move, and through the setting of the positioning rod 6, the sliding rail type special door body 8 can be made more stable during the transportation process and not prone to shaking. Then, the L-shaped supporting plate 7 can be used to achieve the purpose of transporting the sliding rail type special door body 8, so that the sliding rail type special door body 8 outside the detection test box 1 can be transported to the bottom of the impact test head 10, thereby greatly improving the detection efficiency of the sliding rail type special door body 8.

[0032] Reference Figure 3 A permanent magnet synchronous servo motor 4 is fixedly installed on the rear side of the test box 1. The output shaft of the permanent magnet synchronous servo motor 4 extends to the inside of the mounting groove 12 and is fixedly connected to the bidirectional screw rod 13. The rotation of the output shaft of the permanent magnet synchronous servo motor 4 can drive the bidirectional screw rod 13 to rotate. The driving source is a permanent magnet synchronous servo motor, which is characterized by a small size, strong torque, smooth operation and no noise interference.

[0033] Reference Figure 3A permanent magnet synchronous servo motor 2 14 is fixedly installed on the outside of the detection test box 1. The output shaft of the permanent magnet synchronous servo motor 2 14 extends into the interior of the detection test box 1 and is fixedly connected to the screw 5. The rotation of the output shaft of the permanent magnet synchronous servo motor 2 14 can drive the screw 5 to rotate, thereby realizing power transmission.

[0034] Reference Figure 4 A sliding rail type special door body 8 is provided at the top of the L-shaped bearing plate 7. The sliding rail type special door body 8 includes two door leaves 802, a special door frame 801, two fixing grooves 803, two racks 804 and a gear 805. The door leaves 802, the special door frame 801, the fixing grooves 803, the racks 804 and the gear 805 can form a complete sliding rail type special door body 8.

[0035] Reference Figure 4 , the two door leaves 802 are slidably installed inside the special door frame 801, and the door leaves 802 are cross-structured. A fixing groove 803 is provided on the side close to the two door leaves 802. The inner walls of the fixing groove 803 are fixedly connected with a rack 804, and the inner wall of the special door frame 801 is rotatably connected with a gear 805. The racks 804 are meshed with the gear 805. After the inspection is completed, the driving source in the sliding rail special door body 8 can be started to drive the gear 805 to rotate, so that the gear 805 and the racks 804 on both sides are in a meshing state. If the door leaf 802 opens and closes smoothly, it indicates that the door leaf 802 in the sliding rail special door body 8 meets the gravity impact test standard.

[0036] Reference Figure 4 A servo motor is embedded in the special door frame 801 , and the output shaft of the servo motor is fixedly connected to the central axis of the gear 805 . The door leaf 802 can be opened and closed by rotating the output shaft of the servo motor.

[0037] Reference Figure 1 The inner wall of the L-shaped carrying plate 7 is fixedly installed with reinforcing ribs at equal intervals, the outside of the detection test box 1 is fixedly installed with a PLC controller 3, a feed port is provided on one side of the detection test box 1, and a visual window is provided on the outside of the detection test box 1. The setting of the visual window allows staff to observe the detection situation in the detection test box 1.

[0038] Working Principle: First, the operator sets the initial conditions such as travel range and frequency rate based on sample parameters, and then presses the start button to activate the fully automatic mode. During this period, the PLC program schedules various actions according to the preset logic, such as adjusting the oil pressure until it reaches the calibration value and then applying the gravity impact test, etc., until a full cycle is completed. Before each pressure level change, the system automatically resets to zero to resume execution at the next gear.

[0039] The permanent magnet synchronous servo motor 2 14 is started by the PLC controller 3. The rotation of the screw 5 can drive the L-shaped carrier plate 7 to move. The positioning rod 6 is set to make the slide-type special door body 8 more stable during the transportation process and less likely to shake. The L-shaped carrier plate 7 can be used to achieve the purpose of transporting the slide-type special door body 8, so that the slide-type special door body 8 outside the test box 1 can be transported to the bottom of the impact test head 10.

[0040] When the sliding rail special door body 8 is placed, the permanent magnet synchronous servo motor 4 can be automatically controlled to start through the PLC controller 3, so that the two sliding seats 11 can be driven to move toward or oppositely, and the spacing between the two hydraulic cylinders 9 and the components below them can be adjusted, so that the impact position of the impact test head 10 can be adjusted according to the detection test requirements, so as to improve the applicability of the device. The hydraulic cylinder 9 is pressurized to simulate the pressure changes of the door leaf 802 under actual working conditions, and a high-precision sensor 15 is equipped to collect force value data in real time. The PLC controller 3 and the touch screen display terminal 2 are responsible for coordinating the collaborative operation of various mechanisms and intuitively presenting the test results through a graphical interface. Through automated control, the space for manual operation can be reduced and the detection efficiency of the sliding rail special door body 8 can be improved.

[0041] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connection" 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 an indirect connection through an intermediate medium, or it can be a connection between the internal parts of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0042] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application.

Claims

1. A testing device for a special sliding door, comprising a testing chamber (1), characterized in that: The top of the inner wall of the detection test box (1) is provided with a mounting groove (12), the interior of the mounting groove (12) is rotatably connected to a bidirectional screw rod (13), both ends of the outer side of the bidirectional screw rod (13) are threadedly connected to a sliding seat (11), the sliding seats (11) are slidably connected to the inner wall of the mounting groove (12), the bottom end of the sliding seat (11) is fixedly installed with a hydraulic cylinder (9), the piston rod of the hydraulic cylinder (9) is fixedly connected to an impact test head (10), a high-precision sensor (15) is fixedly installed inside the impact test head (10), and a touch screen display terminal (2) is fixedly installed on the outer side of the detection test box (1).

2. A testing device for a special sliding door according to claim 1, characterized in that: A transfer mechanism is provided inside the detection test box (1), and the transfer mechanism includes a screw rod (5) rotatably connected to the bottom end of the inner wall of the detection test box (1), a positioning rod (6) is fixedly connected to the inner wall of the detection test box (1) and located on one side of the screw rod (5), and an L-shaped supporting plate (7) is threadedly connected to the outer side of the screw rod (5), and the L-shaped supporting plate (7) is slidably connected to the positioning rod (6).

3. The detection and testing device for a special sliding door according to claim 1, characterized in that: A permanent magnet synchronous servo motor (4) is fixedly mounted on the rear side of the detection test box (1), and the output shaft of the permanent magnet synchronous servo motor (4) extends into the interior of the mounting groove (12) and is fixedly connected to the bidirectional lead screw (13).

4. The detection and testing device for a special sliding door according to claim 1, characterized in that: A second permanent magnet synchronous servo motor (14) is fixedly mounted on the outside of the detection test box (1), and an output shaft of the second permanent magnet synchronous servo motor (14) extends into the interior of the detection test box (1) and is fixedly connected to the screw (5).

5. The detection and testing device for a special sliding door according to claim 1, characterized in that: A sliding rail type special door body (8) is provided at the top end of the L-shaped bearing plate (7), and the sliding rail type special door body (8) comprises two door leaves (802), a special door frame (801), two fixing grooves (803), two racks (804) and a gear (805).

6. The detection and testing device for a special sliding door according to claim 5, characterized in that: The two door leaves (802) are slidably mounted inside the special door frame (801). The door leaves (802) are in a cross structure. A fixing groove (803) is provided on one side of the two door leaves (802) that are close to each other. The inner walls of the fixing grooves (803) are fixedly connected to racks (804). The inner wall of the special door frame (801) is rotatably connected to a gear (805), and the racks (804) are meshed with the gears (805).

7. The detection and testing device for a special sliding door according to claim 5, characterized in that: A servo motor is embedded in the interior of the special door frame (801), and the output shaft of the servo motor is fixedly connected to the central axis of the gear (805).

8. The detection and testing device for a special sliding door according to claim 1, characterized in that: The inner wall of the L-shaped bearing plate (7) is fixedly mounted with reinforcing ribs at equal intervals, the outer side of the detection test box (1) is fixedly mounted with a PLC controller (3), a feeding port is provided on one side of the detection test box (1), and a visual window is provided on the outer side of the detection test box (1).

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