CN213985677U - Gear meshing surface rubbing die device - Google Patents
Gear meshing surface rubbing die device Download PDFInfo
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- CN213985677U CN213985677U CN202120062282.3U CN202120062282U CN213985677U CN 213985677 U CN213985677 U CN 213985677U CN 202120062282 U CN202120062282 U CN 202120062282U CN 213985677 U CN213985677 U CN 213985677U
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- gear
- support frame
- injector
- air bag
- adhesive tape
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Abstract
The utility model relates to the technical field of test devices, and discloses a gear meshing surface pattern rubbing device, which comprises a support frame, wherein an injector and an air bag are arranged on the support frame, the injector and the air bag are positioned at two opposite sides of the support frame, a shell of the injector is fixedly connected with the support frame, an opening part of the air bag is fixedly connected with the support frame to form a closed cavity, and an inflation inlet of the injector is communicated with the closed cavity; an adhesive tape is arranged between the support frame and the gear to be subjected to rubbing, the adhesive surface of the adhesive tape is just the gear to be subjected to rubbing, and yellow lead powder is coated on the tooth surface of the gear to be subjected to rubbing. The method comprises the steps of coating yellow lead powder on the tooth surface of a gear to be subjected to die rubbing, placing an adhesive tape between a support frame and the gear to be subjected to die rubbing, enabling the adhesive surface of the adhesive tape to face the gear, inflating an air bag through an injector to expand the air bag, enabling the adhesive surface of the adhesive tape to be gradually adhered to the tooth surface of the gear, enabling yellow lead powder traces on the adhesive tape to be traces of the gear, and effectively preventing the yellow lead powder on the local tooth surface from being adhered to the adhesive tape by utilizing the air bag, so that the die rubbing effect is good.
Description
Technical Field
The utility model relates to a test device field especially relates to a gear engagement face expands mould device.
Background
When a drive axle sample is subjected to a contact test, the gear contact area of the sample needs to be adjusted and tested according to test conditions so as to meet the test requirements. However, because the space of the drive axle gear is limited and the space of the tooth surface is complex, the prior art generally adopts the adhesive tape to manually rub the die by workers, and has poor operability and time and labor waste.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gear engagement face expands mould device has improved maneuverability and has expanded mould efficiency.
To achieve the purpose, the utility model adopts the following technical proposal:
a gear meshing surface die rubbing device comprises a support frame, wherein an injector and an air bag are arranged on the support frame, the injector and the air bag are positioned on two opposite sides of the support frame, a shell of the injector is fixedly connected to the support frame, an opening part of the air bag is fixedly connected with the support frame to form a closed cavity, and an inflation inlet of the injector is communicated with the closed cavity;
an adhesive tape is arranged between the air bag and the gear to be rubbed, the adhesive surface of the adhesive tape is opposite to the gear to be rubbed, and yellow lead powder is coated on the tooth surface of the gear to be rubbed.
When the gear meshing surface mold expanding device provided by the utility model is adopted to expand the gear, yellow lead powder is coated on the tooth surface of the gear to be expanded, the support frame is placed near the gear to be expanded, the adhesive tape is placed between the support frame and the gear to be demoulded, the adhesive surface of the adhesive tape is opposite to the gear, the air bag is inflated into the air bag through the injector to expand the air bag, the adhesive surface of the adhesive tape is gradually adhered to the tooth surface of the gear, and the trace of the yellow lead powder on the adhesive tape is the mark on the tooth surface, so that the purpose of expanding the gear is achieved; the air bag can effectively prevent yellow lead powder on the local tooth surface from being not stuck to the adhesive tape, and the rubbing effect is good.
The utility model provides a gear engagement face expands mould device simple structure, commonality are strong, with low costs, light in weight, easy operation, expand the mould efficient, have improved the security when operating personnel carries out the expansion mould.
As a preferable technical solution of the gear mesh surface rubbing device, a free end of the adhesive tape is connected to one end of the supporting frame, and a winding end of the adhesive tape is connected to the other end of the supporting frame.
As a preferable technical scheme of the gear mesh surface die rubbing device, the injector is positioned at the upper part of the support frame, the air bag is positioned at the lower part of the support frame, operation of an operator is facilitated, and the support frame is only required to be placed above the gear to be rubbed to ensure that the air bag is not in contact with the gear.
As a preferable technical scheme of the gear mesh surface rubbing device, an inflation bolt hermetically connected with the support frame is fixed on the support frame, an inflation end part is arranged on a shell of the injector, the inflation end part is in threaded connection with the inflation bolt, and the inflation port is arranged on the inflation end part. The connection mode of the support frame and the injector is simple and the disassembly and the assembly are convenient.
As a preferable technical scheme of the gear mesh surface die rubbing device, an air inflation hole which is communicated up and down is arranged on the support frame, and the air inflation port is communicated with the closed cavity through the air inflation hole.
As a preferable technical scheme of the gear mesh surface rubbing device, the air bag is connected with the support frame through hot melt adhesive. The connection mode is simple, and the sealing effect is good.
As a preferred technical scheme of the gear meshing surface die rubbing device, a handle is arranged at the top of the support frame, so that an operator can conveniently pick and place the gear meshing surface die rubbing device, and before the gear meshing surface die rubbing device is used for rubbing a gear, the support frame is placed beside the gear according to needs; after the air bag is inflated to expand the air bag so that the adhesive tape on the air bag is in contact with the tooth surface to perform pattern rubbing, the gear meshing surface pattern rubbing device is moved to observe the impression of the gear meshing surface rubbed on the adhesive tape.
As a preferable technical solution of the gear mesh surface rubbing device, the handle is a U-shaped structure with an opening facing downwards.
As a preferable technical scheme of the gear mesh surface rubbing device, the supporting frame is of a U-shaped structure with a downward opening.
As a preferable technical scheme of the gear mesh surface rubbing device, the injector comprises a shell and an injection rod which is in sliding fit with the shell to form an injection cavity, and the injection cavity is communicated with the closed cavity through an inflation inlet.
The utility model has the advantages that: when the gear meshing surface mold expanding device provided by the utility model is used for expanding the mold of the gear, yellow lead powder is coated on the tooth surface of the gear to be expanded, the support frame is placed near the gear to be expanded, the adhesive tape is placed between the air bag and the gear to be demoulded, the adhesive surface of the adhesive tape is opposite to the gear, the air bag is inflated by the injector to expand the air bag, the adhesive surface of the adhesive tape is gradually adhered to the tooth surface of the gear, yellow lead powder on the tooth surface is adhered to the adhesive tape, and the trace of the yellow lead powder on the adhesive tape is the trace on the tooth surface, so that the purpose of expanding the mold is achieved; the air bag can effectively prevent yellow lead powder on the local tooth surface from being not stuck to the adhesive tape, and the rubbing effect is good.
The utility model provides a gear engagement face expands mould device simple structure, commonality are strong, with low costs, light in weight, easy operation, expand the mould efficient, have improved the security when operating personnel carries out the expansion mould.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a gear mesh surface rubbing device provided by an embodiment of the present invention.
In the figure:
1. a support frame; 2. a handle; 3. an air bag; 4. an air-filled bolt; 5. an injector; 51. a housing; 52. and (4) an injection rod.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
The embodiment provides a gear meshing surface pattern rubbing device which is mainly used for rubbing a bevel gear meshing impression of a main speed reducer of a drive axle assembly so as to simulate a main speed reducer bevel gear meshing impression loading test when the main speed reducer runs on a finished automobile.
Fig. 1 is a schematic structural diagram of a gear engagement surface pattern rubbing device provided in this embodiment, and as shown in fig. 1, the gear engagement surface pattern rubbing device includes a support frame 1, an injector 5 and an airbag 3 are provided on the support frame 1, the injector 5 and the airbag 3 are located at two opposite sides of the support frame 1, a housing 51 of the injector 5 is fixedly connected to the support frame 1, an opening portion of the airbag 3 is fixedly connected to the support frame 1 to define a closed chamber, and an inflation port of the injector 5 is communicated with the closed chamber; an adhesive tape is arranged between the air bag 3 and the gear to be ground, the adhesive surface of the adhesive tape is just against the gear to be ground, and yellow lead powder is coated on the tooth surface of the gear to be ground.
When the gear meshing surface mold rubbing device provided by the embodiment is used for rubbing a gear, yellow lead powder is coated on the tooth surface of the gear to be rubbed, the support frame 1 is placed near the gear to be rubbed, the adhesive tape is placed between the air bag 3 and the gear to be rubbed, the adhesive surface of the adhesive tape is right at the gear to be rubbed, the air bag 3 is inflated by the injector 5 to expand the air bag 3, the adhesive surface of the adhesive tape is gradually pasted to the tooth surface of the gear by utilizing the expansion of the air bag 3, the yellow lead powder on the tooth surface is pasted to the adhesive tape, and the trace of the yellow lead powder on the adhesive tape is the mark on the tooth surface, so that the purpose of rubbing the mold is achieved; the air bag 3 can effectively prevent yellow lead powder on the local tooth surface from being not stuck to the adhesive tape, and the rubbing effect is good.
In this embodiment, the supporting frame 1 is a U-shaped structure with a downward opening, so that the gear mesh surface rubbing device can be conveniently placed, and a space can be provided for the expansion of the air bag 3 through the supporting frame 1. Specifically, the support frame includes the backup pad that is used for connecting gasbag 3 and syringe 5, and connects in the supporting leg of the relative both sides in backup pad below, and the free end of sticky tape is pasted in one of them supporting leg, and the winding end of sticky tape is connected in another supporting leg, and the sticky tape can freely be elongated to satisfy the user demand.
When adopting the gear engagement face mould device of rubbing that this embodiment provided to rub the mould to the gear, assemble the drive axle assembly into with main reducer earlier, the gearbox is connected through the transmission shaft to the main reducer input, the main reducer output passes through semi-axis and transmission shaft connection magnetic powder stopper, the simulation main reducer carries out main reducer bevel gear meshing impression loading test when whole car moves, and note the meshing impression when different loads, can simulate from no-load to full-load in-process gear engagement's under the different operating modes impression, detect whether it satisfies the impression requirement, design for the subsequent stage, improve and provide reliable foundation.
The gear meshing surface die expanding device provided by the embodiment has the advantages of simple structure, strong universality, low cost, light weight, easiness in operation and high die expanding efficiency, and improves the safety of operators in die expanding.
Further, the injector 5 is positioned at the upper part of the support frame 1, and the air bag 3 is positioned at the lower part of the support frame 1. An inflation bolt 4 hermetically connected with the support frame 1 is fixed on the support frame 1, an inflation end part is arranged on a shell 51 of the injector 5, the inflation end part is in threaded connection with the inflation bolt 4, and an inflation port is arranged on the inflation end part. The support frame 1 and the injector 5 are connected through the inflatable bolt 4, so that the connection mode is simple and the disassembly and the assembly are convenient.
Specifically, an inflation hole which is communicated up and down is arranged on the support frame 1, an inflation port is communicated with the closed cavity through the inflation hole, the support frame 1 and the inflation bolt 4 are connected through welding or threads, and the connection position of the support frame 1 and the inflation bolt 4 needs to be sealed by sealant; the air bag 3 is connected with the support frame 1 through hot melt adhesive.
Preferably, a sealant is provided between the inflation bolt 4 and the inflation end to prevent air leakage during the process of inflating the airbag 3 by the injector 5.
Further, a handle 2 is arranged at the top of the support frame 1. Specifically, the handle 2 is a U-shaped structure with a downward opening, and the handle 2 is welded and fixed with the support frame 1. The handle 2 is arranged, so that the gear meshing surface die rubbing device can be conveniently taken and placed, and the support frame 1 is placed beside the gear according to needs before the gear meshing surface die rubbing device is used for rubbing the gear; after the air bag 3 is inflated to expand the air bag 3 so that the adhesive tape on the air bag 3 is in contact with the tooth surface to perform pattern rubbing, the gear meshing surface pattern rubbing device is moved to observe the impression of the gear meshing surface rubbed on the adhesive tape.
In other embodiments, the supporting frame 1 may further be provided with positioning holes corresponding to the end portions of the handles 2 one to one, two ends of the handles 2 are provided with stepped surfaces, and the end portions of the handles 2 penetrate through the corresponding positioning holes and are connected to the locking nuts, so that the stepped surfaces abut against the upper surface of the supporting frame 1, and the handles 2 are connected to the supporting frame 1.
Further, the injector 5 comprises a housing 51 and an injection rod 52 which is slidably fitted with the housing 51 to form an injection cavity, and the injection cavity is communicated with the closed cavity through an inflation port. Specifically, one end of the injection rod 52 is disposed outside the housing 51, and the other end thereof extends into the housing 51 and is slidably connected to the inner wall of the housing 51. Preferably, the injection rod 52 is an interference fit with the inner wall of the housing 51. In other embodiments, a sealing ring may be provided between the injection rod 52 and the inner wall of the housing 51.
The process of rubbing the meshing impression of the bevel gear of the main reducer by adopting the gear meshing surface rubbing device is as follows:
(1) smearing yellow lead powder on the tooth surface of the bevel gear;
(2) connecting the free end of the adhesive tape to one of the supporting legs, connecting the winding end of the adhesive tape to the other supporting leg, enabling the adhesive surface of the adhesive tape to be opposite to the air bag, holding the handle 2 by hand and placing the gear meshing surface mold rubbing device near a bevel gear of a mold to be rubbed;
(3) inflating the air bag 3 through the injector 5 to expand the air bag 3, and sticking the sticking surface of the adhesive tape to the tooth surface by utilizing the expansion of the air bag 3 so as to stick the yellow lead powder on the tooth surface to the adhesive tape;
(4) the air bag 3 is separated from the bevel gear, and the yellow lead powder trace on the adhesive tape is the trace of the meshing surface of the bevel gear.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (10)
1. The gear meshing surface die rubbing device is characterized by comprising a support frame (1), wherein an injector (5) and an air bag (3) are arranged on the support frame (1), the injector (5) and the air bag (3) are positioned on two opposite sides of the support frame (1), a shell (51) of the injector (5) is fixedly connected to the support frame (1), an opening part of the air bag (3) is fixedly connected with the support frame (1) to form a closed cavity, and an inflation port of the injector (5) is communicated with the closed cavity;
an adhesive tape is arranged between the air bag (3) and the gear to be rubbed, the adhesive surface of the adhesive tape is opposite to the gear to be rubbed, and yellow lead powder is coated on the tooth surface of the gear to be rubbed.
2. The gear mesh surface rubbing device of claim 1, wherein a free end of the tape is attached to one end of the support frame and a wound end of the tape is attached to the other end of the support frame.
3. A gear mesh surface rubbing apparatus according to claim 1, characterised in that the injector (5) is located in an upper part of the cage (1) and the air-bag (3) is located in a lower part of the cage (1).
4. The gear engagement surface rubbing device according to claim 3, wherein an inflation bolt (4) hermetically connected with the support frame (1) is fixed on the support frame, an inflation end portion is arranged on a shell (51) of the injector (5), the inflation end portion is in threaded connection with the inflation bolt (4), and the inflation port is arranged on the inflation end portion.
5. The gear engagement surface rubbing device according to claim 4, wherein the support frame (1) is provided with an air inflation hole which is communicated up and down, and the air inflation port is communicated with the closed chamber through the air inflation hole.
6. Gear mesh surface rubbing device according to claim 1, characterized in that the air bag (3) is connected to the support frame (1) by means of hot melt glue.
7. The gear mesh surface rubbing device according to claim 1, characterized in that a handle (2) is arranged at the top of the support frame (1).
8. A gear mesh surface rubbing apparatus according to claim 7, characterised in that the handle (2) is of a downwardly open U-shaped configuration.
9. A gear mesh surface rubbing device according to any one of claims 1 to 8, characterised in that the support frame (1) is of a downwardly open U-shaped configuration.
10. The gear mesh surface rubbing device according to any one of claims 1 to 8, characterized in that the injector (5) comprises a housing (51) and an injection rod (52) slidably fitted with the housing (51) to enclose an injection cavity, and the injection cavity is communicated with the closed cavity through an inflation port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120062282.3U CN213985677U (en) | 2021-01-11 | 2021-01-11 | Gear meshing surface rubbing die device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120062282.3U CN213985677U (en) | 2021-01-11 | 2021-01-11 | Gear meshing surface rubbing die device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213985677U true CN213985677U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120062282.3U Active CN213985677U (en) | 2021-01-11 | 2021-01-11 | Gear meshing surface rubbing die device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213985677U (en) |
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2021
- 2021-01-11 CN CN202120062282.3U patent/CN213985677U/en active Active
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