CN210565708U - High-strength main transmission shaft of escalator - Google Patents
High-strength main transmission shaft of escalator Download PDFInfo
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- CN210565708U CN210565708U CN201921494265.6U CN201921494265U CN210565708U CN 210565708 U CN210565708 U CN 210565708U CN 201921494265 U CN201921494265 U CN 201921494265U CN 210565708 U CN210565708 U CN 210565708U
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- shaft
- escalator
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- transmission shaft
- shaft body
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Abstract
The utility model relates to the technical field of escalator components, in particular to a high-strength main transmission shaft of an escalator, which solves the defects of low strength and poor stability in the prior art, and comprises a shaft body, a bearing and a mounting plate, wherein shaft heads are fixedly arranged at two ends of the shaft body, a transmission part is fixedly arranged at the other end of each shaft head, the transmission part is sleeved in the bearing, a reinforcing bracket is fixed at one side of each shaft head through bolts, the transmission shaft is made by mixing metal materials, fine granular metal carbide, tempering sorbite and martensite are mixed in manufacturing materials, the overall strength, hardness and tensile strength of the shaft body are improved, the wear resistance and toughness of the shaft body are improved by graphene layers at the outer sides, a triangular structure support is formed by utilizing the reinforcing bracket, the overall strength of the transmission shaft is high, and heat can be effectively dissipated by matching with a through, greatly prolonging the service life of the transmission shaft.
Description
Technical Field
The utility model relates to an automatic escalator technical field especially relates to an automatic escalator's high strength final drive shaft.
Background
The automatic handrail elevator is one of the advanced characteristics of modern civilization and facilities, is widely used in public places such as airports, stations, docks, exhibition halls, large-scale shopping malls and the like at present, and the supply and demand of the elevator are greatly increased along with the development of the open deep people and economy in China.
The main transmission shaft in the prior art has the following disadvantages: firstly, the transmission shaft has low strength, and can generate larger heat after the transmission shaft operates for a long time, and the service life is shorter due to poor heat dissipation of the shaft body; secondly, the transmission shaft is only arranged in the bearing, so that the stability is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that has intensity low, poor stability among the prior art, and the high strength final drive shaft of an automatic escalator who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an automatic escalator's high strength final drive shaft, includes axis body, bearing and mounting panel, the fixed spindle nose that is provided with in both ends of axis body, the fixed transmission portion that is provided with of the other end of spindle nose, the inside at the bearing is established to transmission portion cover, there is the enhancement support one side of spindle nose through the bolt fastening, the other end of strengthening the support passes through one side fixed connection of bolt and axis body, the outside of transmission portion still overlaps and is equipped with first band pulley, there is the bracing piece one side of mounting panel through screwed connection, and the second band pulley has been installed to the one end of bracing piece, the outside common cover of first band pulley and second band pulley is equipped with.
Preferably, the shaft body, the shaft head and the transmission part are of an integrated structure.
Preferably, the outer sides of the shaft body, the shaft head and the transmission part are provided with graphene layers.
Preferably, the shaft body, the shaft head and the transmission part are internally provided with through holes distributed annularly, and the diameter of each through hole is 2-4 mm.
Preferably, the shaft surface hardness of the shaft body, the shaft head and the transmission part is 62-70 HSD, and the tensile strength of the shaft head is more than or equal to 550 MPa.
The utility model has the advantages that:
1. the utility model discloses in through the setting of strengthening support, graphite alkene layer, through hole isotructure, this transmission shaft adopts the metal material to mix and makes, sneak into fine grained form metal type carbide, tempering sorbite and martensite in the preparation material, promote the bulk strength, hardness and the tensile strength of axis body, the graphite alkene layer in the outside promotes the wear resistance and the toughness of axis body, utilize to strengthen the support and form the triangle structural support, the holistic intensity of transmission shaft is high, the cooperation through hole can be effectively with the heat removal, the life of transmission shaft has been promoted widely.
2. The utility model discloses in through the setting of first band pulley, second band pulley, hold-in range isotructure, the hold-in range has been add at the both ends of transmission shaft, when the transmission shaft drive, utilizes the stability of synchronous bringing reinforcing transmission shaft, promotes escalator's stability ability.
Drawings
Fig. 1 is a front view of an escalator after a high-strength main transmission shaft is installed;
fig. 2 is a sectional view of a high-strength main transmission shaft of an escalator provided by the present invention;
fig. 3 is a side view of the high-strength main transmission shaft of the escalator provided by the present invention.
In the figure: 1 axis body, 2 spindle nose, 3 transmission portions, 4 strengthen support, 5 bearings, 6 hold-in ranges, 7 first band pulleys, 8 second band pulleys, 9 mounting panels, 10 bracing pieces, 11 graphite alkene layer, 12 through holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a high-strength main transmission shaft of an escalator comprises a shaft body 1, a bearing 5 and a mounting plate 9, wherein shaft heads 2 are fixedly arranged at two ends of the shaft body 1, a transmission part 3 is fixedly arranged at the other end of each shaft head 2, the transmission part 3 is sleeved in the bearing 5, a reinforcing support 4 is fixed on one side of each shaft head 2 through a bolt, the other end of each reinforcing support 4 is fixedly connected with one side of the shaft body 1 through a bolt, a first belt wheel 7 is further sleeved on the outer side of each transmission part 3, a supporting rod 10 is connected to one side of the mounting plate 9 through a screw, a second belt wheel 8 is arranged at one end of each supporting rod 10, a synchronous belt 6 is sleeved on the outer portions of the first belt wheel 7 and the second belt wheel 8 together, and the transmission shaft is made of metal materials through mixing through the arrangement of the reinforcing supports 4, Tempering sorbite and martensite, the overall strength, hardness and tensile strength of the shaft body 1 are improved, the graphene layer 11 on the outer side improves the wear resistance and toughness of the shaft body 1, the reinforcing bracket 4 is utilized to form a triangular structure support, the overall strength of the transmission shaft is high, heat can be effectively dissipated by matching with the through hole 12, the service life of the transmission shaft is greatly prolonged, the synchronous belt 6 is additionally arranged at two ends of the transmission shaft through the arrangement of the structures such as the first belt wheel 7, the second belt wheel 8 and the synchronous belt 6, the stability of the transmission shaft is enhanced by utilizing the synchronous belt 6 when the transmission shaft is driven, the stability of the escalator is improved, the shaft body 1, the shaft head 2 and the transmission part 3 are of an integral structure, the graphene layer 11 is arranged on the outer sides of the shaft body 1, the shaft head 2 and the transmission part 3, the through holes 12 distributed annularly are arranged inside, the diameter of the through hole 12 is 2 mm-4 mm, the shaft body 1, the shaft head 2 and the transmission part 3 have the shaft surface hardness of 62-70 HSD, and the tensile strength of the shaft head 2 is more than or equal to 550 MPa.
In the embodiment, the transmission shaft is made of metal materials in a mixed mode, fine granular metal carbide, tempered sorbite and martensite are mixed in the manufacturing materials, the overall strength, hardness and tensile strength of the shaft body 1 are improved, the graphene layer 11 is additionally arranged on the outer side of the shaft body to improve the wear resistance and toughness of the shaft body 1, the reinforcing support 4 is utilized to form a triangular structure support, the overall strength of the transmission shaft is high, the through holes 12 distributed annularly can effectively dissipate heat, the shaft body 1 is prevented from being in a high-temperature state, and the service life of the transmission shaft is effectively prolonged;
during the installation, bearing 5 and mounting panel 9 all pass through bolt, screw or screw fixed connection with escalator's support, and first band pulley 7 cover is in the outside of transmission portion 3, and after equipment operation, the transmission shaft drives first band pulley 7, second band pulley 8 and hold-in range 6 simultaneously and rotates, promotes the overall stability of transmission shaft.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A high-strength main transmission shaft of an escalator comprises a shaft body (1), a bearing (5) and a mounting plate (9), it is characterized in that two ends of the shaft body (1) are fixedly provided with shaft heads (2), the other end of the shaft head (2) is fixedly provided with a transmission part (3), the transmission part (3) is sleeved in the bearing (5), one side of the shaft head (2) is fixed with a reinforcing bracket (4) through a bolt, the other end of the reinforcing bracket (4) is fixedly connected with one side of the shaft body (1) through a bolt, a first belt wheel (7) is sleeved on the outer side of the transmission part (3), one side of the mounting plate (9) is connected with a support rod (10) through a screw, a second belt wheel (8) is arranged at one end of the support rod (10), the synchronous belt (6) is sleeved outside the first belt wheel (7) and the second belt wheel (8) together.
2. The high-strength main transmission shaft of the escalator as claimed in claim 1, wherein said shaft body (1), shaft head (2) and transmission part (3) are of an integral structure.
3. The high-strength main transmission shaft of the escalator as claimed in claim 1, wherein graphene layers (11) are disposed on the outer sides of the shaft body (1), the shaft head (2) and the transmission part (3).
4. The high-strength main transmission shaft of the escalator as claimed in claim 1, wherein the shaft body (1), the shaft head (2) and the transmission part (3) are internally provided with through holes (12) distributed annularly, and the diameter of each through hole (12) is 2 mm-4 mm.
5. The high-strength main transmission shaft of the escalator as claimed in claim 1, wherein the shaft body (1), the shaft head (2) and the transmission part (3) have a shaft surface hardness of 62-70 HSD, and the tensile strength of the shaft head (2) is greater than or equal to 550 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921494265.6U CN210565708U (en) | 2019-09-10 | 2019-09-10 | High-strength main transmission shaft of escalator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921494265.6U CN210565708U (en) | 2019-09-10 | 2019-09-10 | High-strength main transmission shaft of escalator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210565708U true CN210565708U (en) | 2020-05-19 |
Family
ID=70627754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921494265.6U Active CN210565708U (en) | 2019-09-10 | 2019-09-10 | High-strength main transmission shaft of escalator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210565708U (en) |
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2019
- 2019-09-10 CN CN201921494265.6U patent/CN210565708U/en active Active
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