CN215798173U

CN215798173U - Liftable structure for central air conditioner installation training

Info

Publication number: CN215798173U
Application number: CN202121426480.XU
Authority: CN
Inventors: 李元超; 张云龙; 焦丽君; 尹晓霞; 华泽珍; 冯梦飞; 孟翔宇
Original assignee: Qingdao Technical College
Current assignee: Qingdao Technical College
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-02-11
Anticipated expiration: 2031-06-25

Abstract

The utility model relates to the field of central air conditioner practical training teaching equipment, in particular to a liftable structure for practical training of central air conditioner installation. The air conditioner lifting device comprises a lifting module and an air conditioner installation module, wherein the lifting module comprises a fixed hanging bracket, a motor, a transmission mechanism and four worm and gear lifters, the motor, the transmission mechanism and the four worm and gear lifters are arranged on the fixed hanging bracket, the four worm and gear lifters are respectively fixed near four top angles of the fixed hanging bracket, and the motor provides power for the worm and gear lifters through the transmission mechanism. The bottom end of a screw rod of the worm gear lifter is slidably arranged on the air conditioner installation module through a locking structure. The surfaces of four sides of the lifting hanger are provided with a plurality of T-shaped grooves, and the lifting hanger can freely move in the vertical direction under the drive of a three-phase asynchronous motor by matching with a locking structure. The lifting frame can be lifted up to be processed during non-use, and the working space below is saved.

Description

Liftable structure for central air conditioner installation training

Technical Field

The utility model relates to the field of central air conditioner practical training teaching equipment, in particular to a liftable structure for practical training of central air conditioner installation.

Background

The central air conditioning system has the advantages of energy conservation, environmental protection, practicability, high refrigeration efficiency and the like, and is widely applied to air treatment of modern buildings. The central air-conditioning system has the characteristics of complex structure, scattered installation positions of all subsystems, hidden installation of partial structures, difficulty in finding and overhauling after faults occur and the like, and the installation quality of the central air-conditioning system directly determines the exertion of high performance of the central air-conditioning system due to the characteristics. In order to install the central air conditioner with high quality, strict installation training must be performed on the trainees.

At present, most of training places of enterprises and training rooms of refrigeration related major are provided with central air conditioning indoor training mounting brackets in a fixed bracket mode. However, we find that the fixing bracket mode has more outstanding problems in the using process, which mainly includes: the mounting height control is not flexible enough.

If the mounting height is too high, the aerial work is required to be carried out by means of a ladder during mounting training, the operation is not convenient enough, and the practical training efficiency is influenced. If the installation height is too low, when the operation training is not carried out, the activity of personnel is influenced, the safety of the personnel is endangered, and the personnel easily collide the head in the activity area.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a lifting structure for a practical training of central air conditioner installation.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

the utility model provides a lifting structure for a practical training of central air conditioner installation, which comprises a lifting module and an air conditioner installation module. The lifting module comprises a fixed hanging bracket, and a motor, a transmission mechanism and four worm and gear lifters which are arranged on the fixed hanging bracket, wherein the four worm and gear lifters are respectively fixed near four vertex angles of the fixed hanging bracket, and the motor provides power for the worm and gear lifters through the transmission mechanism. The bottom end of a screw rod of the worm gear lifter is slidably arranged on the air conditioner installation module through a locking structure.

Further, the fixed hanger comprises a fixed frame and four fixed supporting legs.

Furthermore, the top end of the screw of the worm gear lifter is provided with a limit sensor I, and the fixing frame is provided with a limit sensor II.

Furthermore, the transmission mechanism comprises a T-shaped helical gear steering gear I, a T-shaped helical gear steering gear II, a T-shaped helical gear steering gear III, a plurality of transmission rods and a plurality of couplers.

Further, the air conditioner installation module comprises a lifting hanger, a plurality of cross rods arranged on the inner side of the lifting hanger in a sliding mode through the locking structures, and a plurality of hanging rods arranged on the cross rods in a sliding mode through the locking structures.

Further, the lifting hanger comprises two long sides and two short sides, and the lifting hanger is a rectangular frame.

Furthermore, a plurality of T-shaped grooves are formed in the four surfaces of the long side, the four surfaces of the short side and the lower surface of the cross rod.

Further, the locking structure comprises a screw and a fixing nut.

The utility model achieves the following beneficial effects:

the utility model adopts a three-phase asynchronous motor and a worm gear screw lifter as main transmission devices, a plurality of T-shaped grooves are arranged on the surfaces of four sides of a lifting hanger, and the lifting hanger can freely move in the up-down direction under the drive of the three-phase asynchronous motor in cooperation with a locking structure. The lifting frame can be lifted during non-use, and the working space below is saved.

Meanwhile, thanks to the same structure, the cross bar can be freely moved in the left-right direction, and the suspension rod can be arbitrarily moved in the front-rear direction. Therefore, the variability of the distance between the hanging rods is ensured, the installation of the indoor air conditioners with different models is realized, and meanwhile, the clamping grooves below the frame can also be used for fixing all pipelines in the indoor air conditioners through the hanging rods.

In addition, the limit sensor I and the limit sensor II are arranged, and when the lifting hanger reaches a certain position in the lifting process, the limit sensor I or the limit sensor II can be triggered to prevent the upper part of the screw rod of the worm gear lifter from colliding with the roof in the lifting process or prevent the lifting hanger from falling off in the moving down process.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a bottom view of the lift module.

Fig. 4 is a long or short side sectional view of the liftable suspension.

In the figure, 1, a hanger is fixed; 11. a fixed mount; 12. fixing the supporting legs; 13. a motor; 14. a T-shaped helical gear steering gear I; 15. a T-shaped helical gear steering gear II; 16. a T-shaped helical gear steering gear III; 17. A transmission rod; 18. a worm gear elevator; 181. a screw; 19. a coupling; 21. a limit sensor I; 22. a limit sensor II; 3. a lifting frame can be lifted; 31. a long side; 311. a groove; 32. a short side; 33. A cross bar; 331. a boom.

Detailed Description

To facilitate an understanding of the present invention by those skilled in the art, specific embodiments thereof are described below with reference to the accompanying drawings.

The utility model discloses a liftable structure, which mainly comprises: the three-phase asynchronous motor and the worm gear lifter are main transmission devices, the lifting hanger 3 can move and fix at any position in the horizontal and vertical directions, and the lifting hanger 3 can be lowered to a height suitable for personnel operation to perform practical operation training. The safe and efficient practice training of the trainees can be realized. In the stage of no practical training, the lifting hanger 3 can be directly lifted to a high place without influencing the activity space of the personnel below.

As shown in fig. 1 to 4, the utility model provides a lifting structure for a practical training of central air conditioner installation, which comprises a lifting module and an air conditioner installation module. The lifting module is used for controlling the lifting of the lifting hanger 3, so that the lifting hanger 3 can be lowered to a proper position when the lifting hanger is used; when the lifting device is not used, the lifting hanger 3 can be lifted, and the activity space of people below the lifting hanger is not influenced.

For this purpose, the lifting module comprises a fixed hanger 1, and a motor 13, a transmission mechanism and four worm and gear lifters 18 which are arranged on the fixed hanger 1, wherein the motor 13 is a three-phase asynchronous motor. The fixing hanger 1 is used for fixing the utility model on a roof or other high positions and is a fixing foundation of the utility model. The fixed hanging bracket 1 comprises a fixed frame 11 and four fixed supporting legs 12, the fixed frame 11 is a rectangular frame, the fixed supporting legs 12 are vertically arranged at the top corners of the fixed frame 11, and the fixed supporting legs 12 are fixed on the roof or other high positions.

Four worm and gear lifters 18 are respectively fixed near four top corners of the fixed hanger 1, the bottom ends of screws 181 of the worm and gear lifters 18 are slidably arranged on the air conditioner installation module through locking structures, and the air conditioner installation module is driven by the worm and gear lifters 18 to ascend or descend; the bottom end of the screw 181 of the worm gear lifter 18 is fixedly connected with the following screws. The motor 13 is through drive mechanism does worm gear 18 provides power, drive mechanism includes T type helical gear steering gear I14, T type helical gear steering gear II 15, T type helical gear steering gear III 16, a plurality of transfer line 17, a plurality of shaft couplings 19. The couplers 19 are arranged at two ends of the transmission rod 17, and the couplers 19 are used for assisting the transmission rod 17 to be connected with an output shaft of the motor 13 or an input shaft, an output shaft of the T-shaped helical gear steering gear or an input end of the worm gear lifter 18.

Specifically, an output shaft of the motor 13 is connected with an input shaft of the T-shaped helical gear steering gear i 14 through a transmission rod 17 to drive the T-shaped helical gear steering gear i 14. Two output shafts of the T-shaped helical gear steering device I14 are respectively connected with an input shaft of the T-shaped helical gear steering device II 15 and an input shaft of the T-shaped helical gear steering device III 16 through a transmission rod 17 to drive the T-shaped helical gear steering device II 15 and the T-shaped helical gear steering device III 16. And two output shafts of the T-shaped spiral gear steering gear II 15 are respectively connected with the input ends of the two worm and gear lifters 18 to provide power for the two worm and gear lifters 18. And two output shafts of the T-shaped spiral gear steering gear III 16 are respectively connected with the input ends of the rest two worm gear lifters 18 to provide power for the rest two worm gear lifters 18.

The power of the motor 13 is divided into four parts through a T-shaped helical gear steering gear I14, a T-shaped helical gear steering gear II 15 and a T-shaped helical gear steering gear III 16, and the four parts respectively drive worm and gear lifters 18 positioned near four vertex angles of the fixed hanger 1. Thus, the lifting frame 3 can be driven by the four worm and gear lifters 18 to ascend or descend smoothly.

Further, in order to prevent the following liftable hanger 3 from colliding against the roof by the screw 181 of the worm gear lifter 18 during the ascending process; or the lifting hanger 3 can fall off in the downward moving process, and the utility model is also provided with a limit sensor. Preferably, the number of the limit sensors is 2, and the limit sensors can be mechanical limit sensors or laser ranging sensors. The limit sensor I21 is arranged at the top end of a screw 181 of the worm gear lifter 18 and used for determining the upper limit of the lifting hanger 3. And a limit sensor II 22 is arranged on the fixing frame 11 and used for determining the lower limit of the lifting bracket 3.

The air conditioner installation module is used for a student to learn and install the central air conditioner and is a specific installation and learning teaching aid. The air conditioner installation module comprises a lifting hanger 3, a plurality of cross rods 33 arranged on the inner side of the lifting hanger 3 in a sliding manner through the locking structures, and a plurality of hanging rods 331 arranged on the cross rods 33 in a sliding manner through the locking structures; the following screws are fixedly connected to both ends of the cross bar 33, and the following screws are fixedly connected to the top end of the suspension rod 331. The cross bar 33 can move left and right, and the suspenders 331 can move in the front and back directions, so that the front and back distances and the left and right distances between the suspenders 331 can be adjusted, installation of air-conditioning indoor units of different types can be realized, and meanwhile, the suspenders 331 can be used for fixing pipelines in the air-conditioning indoor units.

Further, the liftable suspension frame 3 comprises two long sides 31 and two short sides 32, and the liftable suspension frame 3 is a rectangular frame. Four surfaces of the long edge 31, four surfaces of the short edge 32 and the lower surface of the cross bar 33 are all provided with a plurality of T-shaped grooves 311. The groove 311 can cooperate with the locking structure to ensure that the locking structure can slide and lock along the groove 311. The locking structure comprises a screw and a fixing nut. The screw is T-shaped and matched with the groove 311, the nut of the screw is embedded in the groove 311, and the screw can slide along the groove 311. The fixing nut is sleeved on the screw, and when the screw slides to a proper position, the fixing nut is screwed, and locking is completed under the clamping action of the nut of the screw and the fixing nut.

The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a liftable structure that is used for real standard usefulness of central air conditioning installation which characterized in that: the air conditioner comprises a lifting module and an air conditioner installation module; the lifting module comprises a fixed hanger (1), and a motor (13), a transmission mechanism and four worm and gear lifters (18) which are arranged on the fixed hanger (1), wherein the four worm and gear lifters (18) are respectively fixed near four top corners of the fixed hanger (1), and the motor (13) provides power for the worm and gear lifters (18) through the transmission mechanism; the bottom end of a screw rod (181) of the worm gear-worm lifter (18) is slidably arranged on the air conditioner installation module through a locking structure.

2. The liftable structure for the practical training of central air conditioner installation according to claim 1, characterized in that: the fixed hanger (1) comprises a fixed frame (11) and four fixed supporting legs (12).

3. The liftable structure for the practical training of central air conditioner installation according to claim 2, characterized in that: a limit sensor I (21) is arranged at the top end of a screw rod (181) of the worm gear-worm lifter (18), and a limit sensor II (22) is arranged on the fixing frame (11).

4. The liftable structure for the practical training of central air conditioner installation according to claim 1, characterized in that: the transmission mechanism comprises a T-shaped helical gear steering gear I (14), a T-shaped helical gear steering gear II (15), a T-shaped helical gear steering gear III (16), a plurality of transmission rods (17) and a plurality of couplers (19).

5. The liftable structure for the practical training of central air conditioner installation according to claim 1, characterized in that: the air conditioner installation module comprises a lifting hanger (3), a plurality of cross rods (33) arranged on the inner side of the lifting hanger (3) in a sliding mode through the locking structures, and a plurality of hanging rods (331) arranged on the cross rods (33) in a sliding mode through the locking structures.

6. The liftable structure for the practical training of central air conditioner installation according to claim 5, characterized in that: the lifting hanger (3) comprises two long sides (31) and two short sides (32), and the lifting hanger (3) is a rectangular frame.

7. The liftable structure for the practical training of central air conditioner installation according to claim 6, characterized in that: and a plurality of T-shaped grooves (311) are formed in the four surfaces of the long side (31), the four surfaces of the short side (32) and the lower surface of the cross rod (33).

8. The liftable structure for the practical training of central air conditioner installation according to claim 7, characterized in that: the locking structure comprises a screw and a fixing nut.