Auxiliary device for mounting transmission shaft
By using a protective airbag and inflation mechanism for the drive shaft installation auxiliary device, the problem of bump damage to the drive shaft during installation is solved, improving safety and convenience, and making it suitable for a variety of mechanical equipment.
Patent Information
- Application Number
- CN202520446071.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-03-14
AI Technical Summary
Drive shafts are easily damaged during installation, which can affect the normal operation and service life of mechanical equipment, and may even lead to safety accidents.
A drive shaft installation auxiliary device was designed, including a protective airbag and an inflation mechanism. The airbag is fixed around the drive shaft by a strap. The inflation mechanism is used to quickly inflate the airbag to reduce impact damage and to deflate the airbag when needed to reduce its volume, making it easy to carry and adaptable to drive shafts of different lengths.
It effectively reduces impact damage to drive shafts during hoisting, simplifies the installation process, improves safety and adaptability, and is suitable for drive shafts of different diameters and lengths.
Smart Images

Figure CN223792147U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to installation auxiliary tool field, concretely is a kind of transmission shaft installation auxiliary device. BACKGROUND
[0002] Transmission shaft is an important mechanical transmission component, mainly by shaft tube, universal joint, sliding fork and support bearing etc. It is used to transmit power to the wheels or other mechanical components, so that the vehicle or mechanical equipment can run. Transmission shaft is usually made of high-strength steel and other metal materials to ensure its sufficient strength and stiffness. It is widely used in automobiles, aircrafts, engineering machinery, agricultural machinery and ships, etc. It is a key component for power transmission.
[0003] In many large mechanical devices, the quality of transmission shaft is often considerable, so it is usually hoisted to place it inside the mechanical equipment during installation. However, during hoisting, the transmission shaft will inevitably shake to some extent. This shaking may cause the transmission shaft to collide with other parts of the mechanical equipment, which may damage the transmission shaft itself or the mechanical equipment. This damage not only affects the normal operation of the machinery, but also reduces the service life of the equipment, and even causes safety accidents. Therefore, a transmission shaft installation auxiliary device is proposed. SUMMARY
[0004] The utility model aims at providing a kind of transmission shaft installation auxiliary device to solve the problem that transmission shaft is easily injured during installation in prior art.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of transmission shaft installation auxiliary device, including transmission shaft body, the butt joint end head is fixedly installed on the transmission shaft body, installation key groove is opened on the butt joint end head, the transmission shaft body surface is covered with protection mechanism, the protection mechanism includes the installation base strip covered in the transmission shaft body surface, the installation base strip surface is fixedly installed with protective air bag, the edge of installation base strip is equipped with magic tape hook face, the installation base strip one end is fixedly installed with restraint belt, the restraint belt surface is equipped with magic tape nap surface, the protective air bag is connected with inflating mechanism.
[0006] Preferably, one end of the protective air bag is connected with an exhaust pipe opening, and the exhaust pipe opening is connected with a sealing end cap at the end.
[0007] Preferably, one end of the protective air bag is connected with a butt joint, and the exhaust pipe opening is connected to the protective air bag through the butt joint, the exhaust pipe opening is provided with a thread at the end, and the sealing end cap is connected to the exhaust pipe opening at the end through the thread, and the sealing end cap is provided with a sealing ring inside.
[0008] Preferably, the binding belt is connected to the hook surface of the Velcro by the hook surface of the Velcro, the installation base belt is limited on the transmission shaft body by the binding belt, and the protective air bag is limited around the transmission shaft body by the installation base belt.
[0009] Preferably, the inflating mechanism comprises a gas outlet connected to the other end of the protective air bag, a one-way valve arranged in the gas outlet, the one-way valve allowing only external gas to enter the protective air bag through the gas outlet, an inflating hose connected to the gas outlet, a valve arranged at the edge of the inflating hose, a gas inlet arranged at the end of the inflating hose, and an electric inflating pump connected to the inflating hose through the gas inlet.
[0010] Preferably, the other end of the protective air bag is provided with a connecting port, and the gas outlet is connected to the protective air bag through the connecting port.
[0011] Preferably, one end of the gas outlet is communicated with the inflating hose, the other end of the gas outlet is communicated with the protective air bag, the electric inflating pump is connected to the inflating hose through the gas inlet, and the electric inflating pump is communicated with the protective air bag through the inflating hose.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] 1. In the application, the protective air bag can be fixed around the transmission shaft body with different diameters by using the binding belt. Then, the inflated protective air bag can significantly reduce the impact damage during the hoisting of the transmission shaft body, thereby simplifying the installation process of the transmission shaft body. In addition, after opening the sealed end cover, the gas in the protective air bag can be discharged to reduce the size of the device and facilitate carrying. At the same time, by connecting multiple protective mechanisms in series, effective protection of transmission shafts of different lengths can be achieved.
[0014] 2. In the application, the inflating process of the protective air bag can be quickly completed after starting the electric inflating pump, thereby facilitating the rapid deployment of the protective mechanism on the transmission shaft body. The one-way valve is arranged in the gas outlet to prevent the gas in the protective air bag from leaking when the inflating hose is damaged. In addition, the valve arranged at the edge of the inflating hose end can effectively prevent the gas from leaking in the case of one-way valve failure, thereby enhancing the safety during use. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 It is a schematic diagram of the local structure of the utility model;
[0017] Figure 3 It is a schematic diagram of the protective mechanism of the utility model;
[0018] Figure 4 It is a schematic view of the inflation mechanism of the utility model.
[0019] The figure mark: 1, transmission shaft body; 2, butt joint end; 3, installation key groove; 4, protection mechanism; 401, protection air bag; 402, installation baseband; 403, exhaust pipe orifice; 404, sealing end cover; 405, magic tape hook face; 406, restraint belt; 407, magic tape wool face; 5, inflation mechanism; 501, electric inflation pump; 502, valve; 503, inflation hose; 504, air outlet interface; 505, one-way valve; 506, air inlet interface. DETAILED DESCRIPTION
[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0021] As shown in Figure 1 and Figure 2 The utility model provides a kind of technical scheme of transmission shaft installation auxiliary device, including transmission shaft body 1, butt joint end 2 is fixedly installed on transmission shaft body 1, installation key groove 3 is set on butt joint end 2, transmission shaft body 1 surface is covered with protection mechanism 4, inflation mechanism 5 is connected on protection air bag 401, by the cooperation of inflation mechanism 5 and protection mechanism 4, can reduce the damage received when hoisting transmission shaft body 1 knock, facilitate user to install transmission shaft body 1.
[0022] As shown in Figure 2 and Figure 3 Protection mechanism 4 includes installation baseband 402 covered with the surface of transmission shaft body 1, installation baseband 402 surface is fixedly installed with protection air bag 401, magic tape hook face 405 is equipped at the edge of installation baseband 402, restraint belt 406 is fixedly installed on one end of installation baseband 402, magic tape wool face 407 is equipped on the surface of restraint belt 406, protection air bag 401 one end is connected with exhaust pipe orifice 403, exhaust pipe orifice 403 terminal end is connected with sealing end cover 404, protection air bag 401 one end is connected with butt joint, exhaust pipe orifice 403 is connected on protection air bag 401 through butt joint, exhaust pipe orifice 403 terminal end is equipped with screw thread, sealing end cover 404 is connected in exhaust pipe orifice 403 terminal end by screw thread, and sealing end cover 404 is equipped with sealing ring in.
[0023] Specifically, by using the binding belt 406, the protective air bag 401 installed on the mounting base 402 can be fixed around the transmission shaft body 1 with different diameters. In this way, before lifting the transmission shaft body 1, the protective air bag 401 can be inflated and expanded. The inflated protective air bag 401 can effectively reduce the damage to the transmission shaft body 1 caused by bumps during lifting, thereby providing convenience for users and making the installation process of the transmission shaft body 1 more smooth. In addition, by opening the sealed end cap 404, the gas in the protective air bag 401 can be easily discharged. After discharging the gas, the volume of the entire device will be correspondingly reduced, which is convenient for carrying and storing. Moreover, multiple protective mechanisms 4 can be used in series, which can provide corresponding protection for transmission shafts of different lengths and ensure the safety of the transmission shaft in various situations.
[0024] As shown in Figure 2 and Figure 4 , the inflation mechanism 5 includes a gas outlet interface 504 connected to the other end of the protective air bag 401, a one-way valve 505 is arranged in the gas outlet interface 504, the one-way valve 505 only allows external gas to enter the protective air bag 401 through the gas outlet interface 504, a inflation hose 503 is connected to the gas outlet interface 504, a valve 502 is arranged at the edge of the end of the inflation hose 503, a gas inlet interface 506 is arranged at the end of the inflation hose 503, a electric inflation pump 501 is connected to the gas inlet interface 506, and the other end of the protective air bag 401 is provided with a connecting port, and the gas outlet interface 504 is connected to the protective air bag 401 through the connecting port.
[0025] Specifically, when the electric inflation pump 501 is started, the protective air bag 401 can be quickly filled with air, thereby facilitating and expediting the arrangement of the protective mechanism 4 on the transmission shaft body 1. Inside the gas outlet interface 504, a one-way valve 505 is specially designed, which can effectively prevent the gas in the protective air bag 401 from leaking in the event of damage to the inflation hose 503. In addition, a valve 502 is specially arranged at the edge of the end of the inflation hose 503. When the valve 502 is in the closed state, even if the one-way valve 505 is damaged, the gas in the protective air bag 401 can be further prevented from leaking, thereby greatly improving the safety during use.
[0026] Working principle: when using, firstly, the installation base strip 402 is wrapped on the surface of the transmission shaft body 1, then the magic paste hook face 405 and the magic paste hair face 407 are adhered together, so that the protective air bag 401 on the installation base strip 402 is installed around the transmission shaft body 1 with different diameters by using the binding belt 406, then the protective air bag 401 can be filled with gas, when hoisting the transmission shaft body 1, the full gas protective air bag 401 can reduce the damage of the transmission shaft body 1, and the user can conveniently install the transmission shaft body 1, and after opening the sealing end cover 404, the gas in the protective air bag 401 can be discharged, so that the volume of the whole device is reduced, and the device is convenient to carry, and a plurality of protective mechanisms 4 can be used in series, so that the transmission shafts with different lengths can be protected. After starting the electric air pump 501, the protective air bag 401 can be quickly filled with gas, so that the protective mechanism 4 can be conveniently and quickly arranged on the transmission shaft body 1, the one-way valve 505 is arranged in the gas outlet port 504, when the inflation hose 503 is damaged, the gas in the protective air bag 401 can be prevented from leaking, the valve 502 is arranged at the edge of the end of the inflation hose 503, after the valve 502 is closed, when the one-way valve 505 is damaged, the gas in the protective air bag 401 can be prevented from leaking, and the safety of use is improved.
[0027] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.
Claims
1. A kind of drive shaft installation auxiliary device, including drive shaft body (1), the butt end (2) is fixedly installed on drive shaft body (1), installation key groove (3) is set up on the butt end (2), it is characterized by: The transmission shaft body (1) surface is coated with a protection mechanism (4), the protection mechanism (4) includes a mounting baseband (402) coated on the transmission shaft body (1) surface, the mounting baseband (402) surface is fixedly provided with a protection air bag (401), the mounting baseband (402) edge is provided with a magic tape hook face (405), one end of the mounting baseband (402) is fixedly provided with a restraint belt (406), the restraint belt (406) surface is provided with a magic tape nap surface (407), the protection air bag (401) is connected with an inflation mechanism (5).
2. A driveshaft installation aid according to claim 1, characterised in that: The protection air bag (401) one end is connected with an exhaust pipe (403), and the exhaust pipe (403) is connected with a sealing end cover (404) at the tail end.
3. A driveshaft installation aid according to claim 2, wherein: The protection air bag (401) one end is connected with a docking port, the exhaust pipe (403) is connected on the protection air bag (401) through the docking port, the exhaust pipe (403) tail end is provided with a thread, the sealing end cover (404) is connected on the exhaust pipe (403) tail end through the thread, and the sealing end cover (404) is provided with a sealing ring in it.
4. A driveshaft installation aid according to claim 3, wherein: The restraint belt (406) is connected on the magic tape nap surface (407) through the magic tape hook face (405), the mounting baseband (402) is limited on the transmission shaft body (1) through the restraint belt (406), and the protection air bag (401) is limited around the transmission shaft body (1) through the mounting baseband (402).
5. A driveshaft installation aid according to claim 4, wherein: The inflation mechanism (5) includes an air outlet (504) connected to the other end of the protection air bag (401), the air outlet (504) is provided with a one-way valve (505) in it, the one-way valve (505) only allows the outside gas to enter the protection air bag (401) through the air outlet (504), the air outlet (504) is connected with an inflation hose (503), the inflation hose (503) tail end edge is provided with a valve (502), the inflation hose (503) tail end is provided with an air inlet (506), and the air inlet (506) is connected with an electric inflation pump (501).
6. A driveshaft installation aid according to claim 5, wherein: The protection air bag (401) is provided with a connecting port at the other end, and the air outlet (504) is connected on the protection air bag (401) through the connecting port.
7. A driveshaft installation aid according to claim 6, wherein: One end of the air outlet (504) is communicated with the inflation hose (503), the other end of the air outlet (504) is communicated with the protection air bag (401), the electric inflation pump (501) is connected on the inflation hose (503) through the air inlet (506), and the electric inflation pump (501) is communicated with the protection air bag (401) through the inflation hose (503).