A comprehensive practical device for small cold storage systems used in refrigeration and air conditioning training and assessment

Abstract

The utility model discloses a comprehensive practical operation device for a small cold storage system used for refrigeration and air-conditioning training and assessment, including: a base, a lifting structure is installed on the upper end of the base, a mobile monitoring structure is installed on the upper end of the lifting structure, the lifting structure includes: a fixed seat, a screw, a pulley group, a motor, a threaded block, a support arm, a rotating seat, a sliding rod, a sliding sleeve and an operating table. The utility model relates to the technical field of air-conditioning training and assessment equipment. The beneficial effects of this case are: the motor drives the screw to rotate through the pulley group, and the screw rotates to push the threaded block to move. The movement of the threaded block pushes the support arm to rotate, changing its own inclination angle, and at the same time makes the support arm push the operating table to move, thereby changing the height of the operating table to adapt to the height of the operator.

Description

Technical Field

[0001] The utility model relates to the technical field of air-conditioning training and assessment equipment, in particular to a small cold storage system comprehensive practical operation device applied to refrigeration and air-conditioning training and assessment. Background Art

[0002] Air conditioning training and assessment equipment is equipment used to train and assess air conditioning technicians, aiming to help them master the installation, maintenance, and debugging skills of air conditioning systems. The purpose of these air conditioning training and assessment equipment is to provide a real, safe, and controllable learning environment to help trainees understand and master the working principles, installation methods, maintenance techniques, and troubleshooting skills of air conditioning systems. By using these equipment, the practical operation ability and problem-solving ability of air conditioning technicians can be improved, and support and guidance can be provided for their work. However, the air conditioning training and assessment equipment in the prior art cannot match the height of every operator when operating the equipment due to the different heights of the operators, which will cause many inconveniences during use. At the same time, when students or teachers are operating, some details cannot be intuitively displayed to observers. In response to the above problems, there may already be technical means to solve them in the prior art, but this case intends to provide an alternative or replacement technical solution. Utility Model Content

[0003] To achieve the above purpose, the utility model is implemented through the following technical solutions: a small cold storage system comprehensive practical device used for refrigeration and air conditioning training assessment, comprising: a base, a lifting structure is installed on the upper end of the base, and a mobile monitoring structure is installed on the upper end of the lifting structure;

[0004] The lifting structure includes: a fixed seat, a screw rod, a pulley set, a motor, a threaded block, a support arm, a rotating seat, a sliding rod, a sliding sleeve and an operating table;

[0005] The fixed seat is installed on the left side of the upper end of the base, the screw is installed in the fixed seat, the lower end of the pulley group is installed on the left side of the screw, the lower end of the motor is installed on the base, the left end output shaft of the motor is installed on the upper end of the pulley group, the threaded block is installed on the left side of the outer wall of the screw, the left end of the lower support arm is installed on the threaded block, the right end of the support arm is installed on the rotating seat, the rotating seat is installed on the right side of the upper end of the base, the left end of the upper support arm is installed on the sliding sleeve, the sliding sleeve is installed on the outer wall of the sliding rod, and the sliding rod is installed on the left side of the lower end of the operating table.

[0006] Preferably, a pair of support arms are in a scissor-shaped cross shape and are rotatably connected at the center via a pin.

[0007] Preferably, the screw is meshed with the threaded block.

[0008] Preferably, the thread block is square, and the inner wall is processed with threads.

[0009] Preferably, the mobile monitoring structure comprises: a mounting frame, a mounting slot, a limit rod, a gear rod, a mounting block, a servo motor, a gear and a camera;

[0010] The mounting frame is installed on the upper end of the operating table, the mounting slot is opened on the upper end of the mounting frame, the limit rod is installed at the lower part of the mounting slot, the gear rod is installed at the upper part of the mounting slot, the mounting block is sleeved on the outer wall of the limit rod and the gear rod, the servo motor is installed at the upper end of the mounting block, the gear is installed at the lower end of the servo motor, and the camera is installed at the lower end of the mounting block.

[0011] Preferably, the gear meshes with the gear rod.

[0012] Beneficial Effects

[0013] The utility model provides a small cold storage system comprehensive practical operation device applied to refrigeration and air-conditioning training and assessment. Compared with the prior art, the operator can adjust the height of the operating table according to his or her own height, start the motor, and the motor drives the screw to rotate through the pulley group. When the screw rotates, it will push the threaded block to move. The movement of the threaded block drives the support arm to rotate, change its own inclination angle, and at the same time make the support arm push the operating table to move, thereby changing the height of the operating table to adapt to the height of the operator. At the same time, start the external power supply and external display of the camera to display the operation screen in real time, control the shooting position of the camera through the servo motor, start the servo motor, drive the gear to rotate, and the gear moves itself through the rack, thereby driving the mounting block and the camera to move, so that the camera can always be aligned with the operation position, which solves the problem that the prior art equipment cannot fit every operator in height when operating the equipment due to the different heights of the operators, which will cause many inconveniences during use, and at the same time, when the students or teachers are operating, some details cannot be intuitively displayed to the observer. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural schematic diagram of a comprehensive practical operation device for a small cold storage system used for refrigeration and air conditioning training and assessment according to the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of point A of a comprehensive practical operation device for a small cold storage system used for refrigeration and air conditioning training and assessment according to the utility model;

[0016] Figure 3 This is a schematic diagram of the point B structure of a comprehensive practical operation device for a small cold storage system used for refrigeration and air-conditioning training and assessment described in the utility model.

[0017] In the figure: 1-base; 2-fixed seat; 3-screw; 4-pulley assembly; 5-motor; 6-thread block; 7-support arm; 8-rotating seat; 9-slide rod; 10-slide sleeve; 11-operating table; 12-mounting frame; 13-mounting slot; 14-limiting rod; 15-tooth rod; 16-mounting block; 17-servo motor; 18-gear; 19-camera. DETAILED DESCRIPTION

[0018] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0019] Example: See Figure 1-3 The main components of this case are: a base 1, a lifting structure is installed on the upper end of the base 1, and a mobile monitoring structure is installed on the upper end of the lifting structure;

[0020] The lifting structure includes: a fixed seat 2, a screw rod 3, a pulley set 4, a motor 5, a threaded block 6, a support arm 7, a rotating seat 8, a sliding rod 9, a sliding sleeve 10 and an operating table 11;

[0021] The fixed seat 2 is installed on the left side of the upper end of the base 1, the screw 3 is installed in the fixed seat 2, the lower end of the pulley group 4 is installed on the left side of the screw 3, the lower end of the motor 5 is installed on the base 1, the left end of the motor 5 output shaft is installed on the upper end of the pulley group 4, the threaded block 6 is installed on the left side of the outer wall of the screw 3, the left end of the lower support arm 7 is installed on the threaded block 6, the right end of the support arm 7 is installed on the rotating seat 8, the rotating seat 8 is installed on the right side of the upper end of the base 1, the left end of the upper support arm 7 is installed on the sliding sleeve 9, the sliding sleeve 9 is installed on the outer wall of the sliding rod 10, and the sliding rod 10 is installed on the left side of the lower end of the operating table 11. A pair of support arms 7 are in a scissor-shaped cross shape, and the center is connected by a pin shaft. The screw 3 is meshed with the threaded block 6, the threaded block 6 is square, and the inner wall is processed with threads.

[0022] It should be noted that before using the equipment, the operator can adjust the height of the operating table according to his or her own height and start the motor 5. The motor 5 drives the screw 3 to rotate through the pulley group 4. When the screw 3 rotates, it will push the threaded block 6 to move. The movement of the threaded block 6 pushes the support arm 7 to rotate, changing its own inclination angle. At the same time, the support arm 7 pushes the operating table 11 to move, thereby changing the height of the operating table 11 to adapt to the height of the operator.

[0023] In the specific implementation process, further, the mobile monitoring structure includes: a mounting frame 12, a mounting slot 13, a limit rod 14, a gear rod 15, a mounting block 16, a servo motor 17, a gear 18 and a camera 19;

[0024] The mounting frame 12 is mounted on the upper end of the operating table 11, the mounting groove 13 is opened on the upper end of the mounting frame 12, the limit rod 14 is mounted at the lower part of the mounting groove 13, the gear rod 15 is mounted at the upper part of the mounting groove 13, the mounting block 16 is sleeved on the outer wall of the limit rod 14 and the gear rod 15, the servo motor 17 is mounted on the upper end of the mounting block 16, the gear 18 is mounted on the lower end of the servo motor 17, the camera 19 is mounted on the lower end of the mounting block 16, and the gear 18 is meshed with the gear rod 15.

[0025] It should be noted that when a teacher or a student is operating on the operating table 11, the external power supply and external display of the camera 19 can be started to display the operation screen in real time, and the shooting position of the camera 19 can be controlled by the servo motor 17. The servo motor 17 is started, and the servo motor 17 drives the gear 18 to rotate. The gear 18 moves itself through the gear rod 15, and then drives the mounting block 16 and the camera 19 to move, so that the camera 19 can always be aligned with the operation position.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A comprehensive practical operation device for a small cold storage system used for refrigeration and air conditioning training and assessment, comprising: The base (1) is characterized in that a lifting structure is installed on the upper end of the base (1), and a mobile monitoring structure is installed on the upper end of the lifting structure; The lifting structure comprises: a fixed seat (2), a screw rod (3), a pulley group (4), a motor (5), a threaded block (6), a support arm (7), a rotating seat (8), a sliding rod (9), a sliding sleeve (10) and an operating table (11); The fixing seat (2) is mounted on the left side of the upper end of the base (1), the screw rod (3) is mounted in the fixing seat (2), the lower end of the pulley group (4) is mounted on the left side of the screw rod (3), the lower end of the motor (5) is mounted on the base (1), the output shaft of the left end of the motor (5) is mounted on the upper end of the pulley group (4), the threaded block (6) is mounted on the left side of the outer wall of the screw rod (3), the left end of the lower support arm (7) is mounted on the threaded block (6), the right end of the support arm (7) is mounted on the rotating seat (8), the rotating seat (8) is mounted on the right side of the upper end of the base (1), the left end of the upper support arm (7) is mounted on the sliding sleeve (10), the sliding sleeve (10) is mounted on the outer wall of the sliding rod (9), and the sliding rod (9) is mounted on the left side of the lower end of the operating table (11).

2. According to claim 1, a small cold storage system comprehensive practical operation device used for refrigeration and air conditioning training assessment is characterized in that: A pair of support arms (7) are scissor-shaped and cross-shaped, and are rotatably connected at the center via a pin.

3. According to claim 1, a small cold storage system comprehensive practical operation device for refrigeration and air conditioning training assessment is characterized in that: The screw rod (3) is meshed with the threaded block (6).

4. According to claim 1, a small cold storage system comprehensive practical operation device for refrigeration and air conditioning training assessment is characterized in that: The thread block (6) is square, and the inner wall thereof is processed with threads.

5. According to claim 1, a small cold storage system comprehensive practical operation device for refrigeration and air conditioning training assessment is characterized in that: The mobile monitoring structure comprises: a mounting frame (12), a mounting slot (13), a limiting rod (14), a gear rod (15), a mounting block (16), a servo motor (17), a gear (18) and a camera (19); The mounting frame (12) is mounted on the upper end of the operating table (11), the mounting groove (13) is opened on the upper end of the mounting frame (12), the limit rod (14) is mounted on the lower part of the mounting groove (13), the gear rod (15) is mounted on the upper part of the mounting groove (13), the mounting block (16) is sleeved on the outer wall of the limit rod (14) and the gear rod (15), the servo motor (17) is mounted on the upper end of the mounting block (16), the gear (18) is mounted on the lower end of the servo motor (17), and the camera (19) is mounted on the lower end of the mounting block (16).

6. According to claim 5, a small cold storage system comprehensive practical operation device used for refrigeration and air conditioning training assessment is characterized in that: The gear (18) meshes with the gear rod (15).

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