High-temperature-resistant heat insulation mechanism for shaft transmission system

Abstract

The high-temperature-resistant heat insulation mechanism for the shaft transmission system comprises a driving shaft and a bottom plate arranged on the outer side of the driving shaft in a sleeving mode, one end of the driving shaft is sleeved with a shaft connecting sleeve assembly through a limiting piece, and an actuator connecting sleeve assembly is arranged on one side of the shaft connecting sleeve assembly through a fastening assembly. The end of the actuator connecting sleeve assembly is matched with an electric actuating structure, an actuator fixing sleeve assembly is arranged between the outer side of the actuator connecting sleeve assembly and the bottom plate, and one side of the actuator fixing sleeve assembly is connected with the electric actuating structure. The integrated transmission system can achieve the effects of effective temperature resistance and heat insulation, so that the problem of high-temperature damage of electrical elements of the integrated transmission system is effectively solved. Meanwhile, the structure is simple, effective and easy to implement, and the cost required by technical transformation is greatly saved.

Description

Technical Field

[0001] The present application relates to the technical field of shaft transmission mechanisms, and in particular to a high temperature resistant heat insulating mechanism for a shaft transmission system. Background Art

[0002] At present, in production and life, shaft transmission system is a common mechanical movement. Usually, in the transmission system, one end of the shaft is connected to the action part, and the other end is connected to the electric actuator structure. The electric actuator structure controls the rotation of the shaft, and the mechanical movement of the action part is carried out. For example, in the field of incinerators, the movement of the damper door of the wind chamber, the electric actuator controls the rotation of the shaft, and drives the damper door to rotate mechanically, so as to achieve the purpose of controlling the air flow according to the combustion conditions of the materials.

[0003] However, due to the high temperature of the incoming air, generally around 200°C, during normal operation, the heat will be transferred to the electric actuator structure through the shaft. The electrical components have limited heat resistance and are prone to high temperature damage. Generally, this problem can be solved by using a split electric actuator. However, for the integrated electric actuator structure that has been used for practical problems in related technologies, the overall replacement cost is relatively high. Therefore, based on the above situation, a high temperature resistant heat insulation mechanism for the shaft transmission system of the integrated electric actuator structure is proposed. Utility Model Content

[0004] The purpose of the present application is to provide a high temperature resistant and heat insulating mechanism for a shaft transmission system, so as to solve the problem that the integrated electric actuator structure that has been used for practical problems in the relevant technology has limited temperature resistance of the electrical components, is very prone to high temperature damage, and has a high overall replacement cost.

[0005] The present application provides a high temperature resistant heat insulation mechanism for a shaft transmission system adopts the following technical solution:

[0006] A high temperature resistant and heat insulating mechanism for a shaft transmission system comprises a driving shaft and a base plate sleeved on the outside of the driving shaft, one end of the driving shaft is sleeved with a shaft sleeve assembly through a limit piece, one side of the shaft sleeve assembly is sleeved with an actuator sleeve assembly through a fastening assembly, the end of the actuator sleeve assembly matches an electric actuator structure, an actuator fixing sleeve assembly is arranged between the outside of the actuator sleeve assembly and the base plate, and one side of the actuator fixing sleeve assembly is connected to the electric actuator structure.

[0007] Furthermore, the shaft-sleeve assembly includes a shaft sleeve sleeved on the outside of one end of the drive shaft, the shaft sleeve and the drive shaft are matched through the limiter, a shaft sleeve flange is provided on one side of the shaft sleeve, and the shaft sleeve flange and the actuator sleeve assembly are connected through the fastening assembly.

[0008] Furthermore, the limiting member is a limiting key, the outer side wall of the driving shaft is provided with a driving shaft keyway clamped with the limiting key, and the inner side wall of the shaft sleeve is provided with a shaft sleeve keyway clamped with the limiting key.

[0009] Furthermore, the actuator sleeve assembly includes a connector flange and an electric actuator structure connector arranged on one side of the connector flange, the connector flange is connected to the shaft sleeve flange through the fastening assembly, the tooth mouth of the electric actuator structure connector matches the electric actuator structure, and the outer side of the electric actuator structure connector cooperates with the actuator fixed sleeve assembly.

[0010] Furthermore, the fastening assembly includes a first thermal insulation gasket arranged between the shaft sleeve flange and the joint flange, and a plurality of mutually corresponding fastening holes are provided between the shaft sleeve flange, the joint flange and the first thermal insulation gasket, and fastening bolts are provided between the plurality of mutually corresponding fastening holes, and one end of the plurality of fastening bolts is threadedly connected with a fastening nut.

[0011] Furthermore, the actuator fixing sleeve assembly includes a fixing sleeve plate which is sleeved on the outside of the electric actuator structure joint member, the fixing sleeve plate is connected to the electric actuator structure through a first locking assembly, one side of the fixing sleeve plate is symmetrically provided with a fixed connection side plate, one side of the two fixed connection side plates are both provided with a fixed mounting plate, and the two fixed mounting plates are respectively connected to the base plate through a second locking assembly.

[0012] Furthermore, the first locking assembly includes a plurality of first locking bolts arranged between the fixed sleeve and the electric actuator structure, and a plurality of first locking holes corresponding to each other are opened on the fixed sleeve and the electric actuator structure, the first locking bolt cooperates with the first locking hole, and one end of the first locking bolt is threadedly connected with a first locking nut.

[0013] Furthermore, the second locking assembly includes a second thermal insulation gasket arranged between the base plate and the two fixed mounting plates, and a plurality of second locking holes corresponding to each other are opened on the base plate, the two fixed mounting plates and the second thermal insulation gasket, and second locking bolts are arranged between the plurality of second locking holes corresponding to each other, and one end of each of the plurality of second locking bolts is threadedly connected with a second locking nut.

[0014] Compared with the prior art, the beneficial effect of the present application is that by setting a structure in which the drive shaft, the bottom plate, the stopper, the shaft sleeve assembly, the fastening assembly, the actuator sleeve assembly and the actuator fixing sleeve assembly cooperate with each other, it can achieve an effective heat-resistant and heat-insulating effect, thereby effectively solving the problem of high-temperature damage to the electrical components of the integrated transmission system. At the same time, the structure is simple and effective, easy to implement, and greatly saves the cost required for technical transformation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of a high temperature resistant heat insulating mechanism for a shaft transmission system according to an embodiment of the present application.

[0016] Figure 2 yes Figure 1 Exploded diagram of .

[0017] Figure 3 It is a schematic diagram of the structure of the shaft sleeve assembly according to an embodiment of the present application.

[0018] Figure 4 It is a schematic diagram of the structure of the actuator assembly according to an embodiment of the present application.

[0019] Figure 5 It is a structural schematic diagram of the actuator fixing sleeve assembly of an embodiment of the present application.

[0020] Description of reference numerals:

[0021] 1. Drive shaft; 2. Base plate; 3. Shaft sleeve assembly; 31. Shaft sleeve; 311. Shaft sleeve keyway; 32. Shaft sleeve flange; 33. Limit key; 4. Actuator sleeve assembly; 41. Connector flange; 42. Electric actuator structure connector; 43. First thermal insulation gasket; 44. Fastening hole; 5. Actuator fixed sleeve assembly; 51. Fixed sleeve plate; 511. First locking hole; 52. Fixed connecting side plate; 53. Fixed mounting plate; 54. Second thermal insulation gasket; 55. Second locking hole. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1-5 This application is described in further detail.

[0023] The present application embodiment discloses a high temperature resistant heat insulation mechanism for a shaft transmission system, referring to Figure 1In this embodiment, the high temperature resistant heat insulation mechanism includes a drive shaft 1, a bottom plate 2, a stopper, a shaft sleeve assembly 3, a fastening assembly, an actuator sleeve assembly 4, and an actuator fixing sleeve assembly 5. A bottom plate hole is provided in the middle of the bottom plate 2, and the bottom plate 2 is sleeved on the outer side of one end of the drive shaft 1 through the bottom plate hole, and the bottom plate 2 is a rectangular structure; the shaft sleeve assembly 3 is installed on one end of the drive shaft 1 through the stopper, and the setting of the stopper can firmly sleeve the shaft sleeve assembly 3 on one end of the drive shaft 1.

[0024] Specifically, refer to Figure 1-Figure 3 In this embodiment, the shaft sleeve assembly 3 includes a shaft sleeve 31 and a shaft sleeve flange 32. One end of the shaft sleeve 31 is sleeved on the outer side of one end of the drive shaft 1, and the shaft sleeve 31 and the drive shaft 1 are clamped together through a stopper to clamp the shaft sleeve 31 on the drive shaft 1. The shaft sleeve flange 32 is fixedly welded on one end of the shaft sleeve 31 to seal one end of the shaft sleeve 31, thereby preventing the drive shaft 1 from passing through the shaft sleeve 31; and the side of the shaft sleeve flange 32 away from the shaft sleeve 31 is fixedly connected to the actuator sleeve assembly 4 through a fastening assembly to fasten the actuator sleeve assembly 4 to the shaft sleeve flange 32.

[0025] More specifically, a drive shaft keyway is provided on the outer side wall of the drive shaft 1, and the limiting member is a limiting key 33. The limiting key 33 cooperates with the drive shaft keyway so that one side of the limiting key 33 is clamped and installed in the drive shaft keyway, and the other side of the limiting key 33 extends out of the drive shaft keyway; and a shaft sleeve keyway 311 is provided on the inner side wall of the shaft sleeve 31, and the shaft sleeve keyway 311 and the side of the limiting key 33 extending out of the drive shaft keyway slide and clamp with each other.

[0026] When the shaft sleeve 31 is inserted into one end of the driving shaft 1, the shaft sleeve 31 slides through the shaft sleeve keyway 311 along the side of the driving shaft keyway where the limit key 33 extends out, so that it is convenient to slide the shaft sleeve 31 on one end of the driving shaft 1. At this time, the shaft sleeve keyway 311 corresponds to the driving shaft keyway, and the limit key 33 clamps and limits the shaft sleeve keyway 311, so that the shaft sleeve 31 is firmly clamped on the outer side of one end of the driving shaft 1.

[0027] At the same time, refer to Figure 2 and Figure 4 In this embodiment, the actuator sleeve assembly 4 includes a connector flange 41 and an electric actuator structure connector 42. The connector flange 41 is fixedly connected to the shaft sleeve flange 32 through a fastening assembly; one side of the electric actuator structure connector 42 is welded to one side of the connector flange 41, and a toothed opening is installed on the side of the electric actuator structure connector 42 away from the connector flange 41, and the electric actuator structure connector 42 matches the electric actuator structure through the toothed opening.

[0028] When the electric actuator structure is started, the electric actuator structure connector 42 is driven to rotate, and the electric actuator structure connector 42 drives the shaft sleeve component 3 to rotate through the fastening component, and the shaft sleeve component 3 drives the drive shaft 1 to rotate through the limit key 33, so that the drive shaft 1 and the action part thereof perform mechanical movement.

[0029] Specifically, the fastening assembly includes a first thermal insulation gasket 43, a fastening bolt and a fastening nut. The first thermal insulation gasket 43 is arranged between the shaft sleeve flange 32 and the joint flange 41, and a plurality of corresponding fastening holes 44 are provided between the shaft sleeve flange 32, the first thermal insulation gasket 43 and the joint flange 41; a plurality of fastening bolts are provided, and the plurality of fastening bolts respectively cooperate with the corresponding fastening holes 44, so that the fastening bolts pass through the shaft sleeve flange 32, the first thermal insulation gasket 43 and the joint flange 41 in sequence along the corresponding fastening holes 44; a plurality of fastening nuts are provided, and the plurality of fastening nuts are respectively threadedly connected with the fastening bolts.

[0030] By screwing the fastening nuts onto the fastening bolts, the fastening nuts and the nuts of the fastening bolts fix the shaft sleeve flange 32, the first thermal insulation gasket 43 and the connector flange 41 to each other, thereby fixing the shaft sleeve assembly 3 and the actuator sleeve assembly 4 together.

[0031] Preferably, the first thermal insulation gasket 43 is made of a high temperature resistant material, and at the same time, the first thermal insulation gasket 43 should be made of a material that is not fragile and has a low thermal conductivity. In this way, the first thermal insulation gasket 43 can further achieve an effective high temperature resistance and heat insulation effect.

[0032] In addition, refer to Figure 2 and Figure 5 In this embodiment, the front side of the actuator fixing cover assembly 5 cooperates with the outer side of the electric actuator structure connector 42, the rear side of the actuator fixing cover assembly 5 is fixedly installed with the base plate 2, and the front side of the actuator fixing cover assembly 5 is also interconnected with the electric actuator structure to achieve an effective and stable installation effect on the entire high temperature resistant heat insulation mechanism.

[0033] Specifically, the actuator fixing sleeve assembly 5 includes a fixing sleeve plate 51, a first locking assembly, a fixing connecting side plate 52, a fixing mounting plate 53 and a second locking assembly. The fixing sleeve plate 51 has a sleeve plate hole in the middle, and the fixing sleeve plate 51 is sleeved on the outer side of the electric actuator structure connector 42 through the sleeve plate hole, and the fixing sleeve plate 51 is fixedly connected to the electric actuator structure through the first locking assembly; two fixing connecting side plates 52 are provided, and one side of the two fixing connecting side plates 52 is symmetrically installed on the side of the fixing sleeve plate 51 facing the connector flange 41; two fixing mounting plates 53 are provided, and the two fixing mounting plates 53 are respectively installed on the side of the two fixing connecting side plates 52 away from the fixing sleeve plate 51, and the two fixing mounting plates 53 are respectively connected to the bottom plate 2 through the second locking assembly.

[0034] More specifically, the first locking assembly includes a first locking bolt and a first locking nut. A plurality of first locking holes 511 corresponding to each other are provided on the fixed sleeve 51 and the electric actuator structure, and a plurality of first locking bolts are provided, and the plurality of first locking bolts respectively cooperate with the first locking holes 511 corresponding to each other, so that the first locking bolts pass through the fixed sleeve 51 and the electric actuator structure in sequence along the first locking holes 511; a plurality of first locking nuts are provided, and the first locking nuts are threadedly connected with the first locking bolts. By screwing the first locking nuts into the first locking bolts respectively, the fixed sleeve 51 and the electric actuator structure can be firmly connected, and the high temperature resistant heat insulation mechanism of the present application can be effectively and firmly installed.

[0035] At the same time, the second locking assembly includes a second thermal insulation gasket 54, a second locking bolt and a second locking nut. The second thermal insulation gasket 54 is arranged between the bottom plate 2 and the two fixed mounting plates 53, and a through hole is provided in the middle of the second thermal insulation gasket 54, and the second thermal insulation gasket 54 is sleeved on the outside of the drive shaft 1 through the through hole; a plurality of second locking holes 55 corresponding to each other are provided between the bottom plate 2, the second thermal insulation gasket 54 and the two fixed mounting plates 53, and a plurality of second locking bolts are provided, and the plurality of second locking bolts respectively cooperate with the plurality of second locking holes 55 corresponding to each other, so that the second locking bolts pass through the bottom plate 2, the second thermal insulation gasket 54 and the two fixed mounting plates 53 in sequence along the plurality of second locking nuts; a plurality of second locking nuts are provided, and the plurality of second locking nuts are respectively threadedly connected with the plurality of second locking bolts.

[0036] By screwing the second locking nuts onto the second locking bolts, the second locking nuts and the nuts of the second locking bolts fix the base plate 2, the second thermal insulation gasket 54 and the fixed mounting plate 53 to each other, thereby fixing the actuator fixing sleeve assembly 5 and the base plate 2 together.

[0037] Preferably, the second heat-insulating gasket 54 is also made of a high-temperature resistant material, and at the same time, the second heat-insulating gasket 54 should be made of a material that is not fragile and has a low thermal conductivity. In this way, the second heat-insulating gasket 54 can further achieve an effective high-temperature resistant and heat-insulating effect.

[0038] Therefore, by setting a structure in which the drive shaft 1, the base plate 2, the stopper, the shaft sleeve assembly 3, the fastening assembly, the actuator sleeve assembly 4 and the actuator fixing sleeve assembly 5 cooperate with each other, an effective heat-resistant and heat-insulating effect can be achieved, thereby effectively solving the problem of high-temperature damage to the electrical components of the integrated transmission system. At the same time, the structure is simple and effective, easy to implement, and greatly saves the cost required for technical transformation.

[0039] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A high temperature resistant heat insulation mechanism for a shaft transmission system, characterized in that: The invention comprises a driving shaft (1) and a base plate (2) sleeved on the outside of the driving shaft (1); one end of the driving shaft (1) is sleeved with a shaft sleeve assembly (3) via a limiter; one side of the shaft sleeve assembly (3) is sleeved with an actuator sleeve assembly (4) via a fastening assembly; the end of the actuator sleeve assembly (4) matches an electric actuator structure; an actuator fixing sleeve assembly (5) is arranged between the outside of the actuator sleeve assembly (4) and the base plate (2); one side of the actuator fixing sleeve assembly (5) is connected to the electric actuator structure.

2. A high temperature resistant heat insulation mechanism for a shaft transmission system according to claim 1, characterized in that: The shaft sleeve assembly (3) comprises a shaft sleeve (31) sleeved on the outside of one end of the drive shaft (1); the shaft sleeve (31) and the drive shaft (1) are matched via the limiter; a shaft sleeve flange (32) is provided on one side of the shaft sleeve (31); the shaft sleeve flange (32) and the actuator sleeve assembly (4) are connected via the fastening assembly.

3. A high temperature resistant heat insulation mechanism for a shaft transmission system according to claim 2, characterized in that: The limiting member is a limiting key (33), the outer side wall of the driving shaft (1) is provided with a driving shaft keyway clamped with the limiting key (33), and the inner side wall of the shaft sleeve (31) is provided with a shaft sleeve keyway (311) clamped with the limiting key (33).

4. The high temperature resistant heat insulation mechanism for a shaft transmission system according to claim 2, characterized in that: The actuator sleeve assembly (4) comprises a joint flange (41) and an electric actuator structure joint (42) arranged on one side of the joint flange (41); the joint flange (41) is connected to the shaft sleeve flange (32) via the fastening assembly; the tooth opening of the electric actuator structure joint (42) matches the electric actuator structure, and the outer side of the electric actuator structure joint (42) matches the actuator fixing sleeve assembly (5).

5. A high temperature resistant heat insulation mechanism for a shaft transmission system according to claim 4, characterized in that: The fastening assembly comprises a first thermal insulation gasket (43) arranged between the shaft sleeve flange (32) and the joint flange (41); a plurality of mutually corresponding fastening holes (44) are provided between the shaft sleeve flange (32), the joint flange (41) and the first thermal insulation gasket (43); fastening bolts are provided between the plurality of mutually corresponding fastening holes (44); and one end of the plurality of fastening bolts is threadedly connected with a fastening nut.

6. A high temperature resistant heat insulation mechanism for a shaft transmission system according to claim 4, characterized in that: The actuator fixing sleeve assembly (5) comprises a fixing sleeve (51) sleeved on the outside of the electric actuator structure joint (42); the fixing sleeve (51) is connected to the electric actuator structure via a first locking assembly; a fixed connection side plate (52) is symmetrically arranged on one side of the fixing sleeve (51); a fixing installation plate (53) is arranged on one side of both the fixed connection side plates (52); and the two fixing installation plates (53) are respectively connected to the base plate (2) via a second locking assembly.

7. A high temperature resistant heat insulation mechanism for a shaft transmission system according to claim 6, characterized in that: The first locking assembly comprises a plurality of first locking bolts arranged between the fixing sleeve (51) and the electric actuator structure, a plurality of first locking holes (511) corresponding to each other are provided on the fixing sleeve (51) and the electric actuator structure, the first locking bolts cooperate with the first locking holes (511), and one end of the first locking bolts is threadedly connected to a first locking nut.

8. The high temperature resistant heat insulation mechanism for a shaft transmission system according to claim 6, characterized in that: The second locking assembly comprises a second thermal insulation gasket (54) arranged between the base plate (2) and the two fixed mounting plates (53); a plurality of second locking holes (55) corresponding to each other are provided on the base plate (2), the two fixed mounting plates (53) and the second thermal insulation gasket (54); a second locking bolt is provided between the plurality of second locking holes (55) corresponding to each other; and a second locking nut is threadedly connected to one end of the plurality of second locking bolts.

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