阅读说明：本技术 一种变速器轴类孔内的杂质清理装置 (Downthehole impurity cleaning device of derailleur axle class ) 是由 楼天涯 于 2019-09-28 设计创作，主要内容包括：本发明公开的一种变速器轴类孔内的杂质清理装置,包括导滑块,所述导滑块内设有防坠腔,所述防坠腔内设有伸长装置,所述伸长装置包括与所述防坠腔滑动连接且左右对称的T形块、铰接于所述T形块上且位于所述防坠腔上端外侧的交叉铰接架,本发明采用铰接杆折叠伸缩过程中,其水平或竖直方向可进行延长的原理,设置多组铰接杆的结构实现不同内孔深度尺寸的轴类变速器零件的清理,利用先将清洁结构收缩至水平长度最小时竖直穿进孔内,并与底端接触,然后在水平展开切割的刀具结构与收集结构,保障孔内的杂质可剔除干净。(The invention discloses an impurity cleaning device in a shaft hole of a transmission, which comprises a guide slide block, wherein an anti-falling cavity is arranged in the guide slide block, an extension device is arranged in the anti-falling cavity, the extension device comprises a T-shaped block which is connected with the anti-falling cavity in a sliding way and is bilaterally symmetrical, and a cross hinge frame which is hinged on the T-shaped block and is positioned outside the upper end of the anti-falling cavity.)

1. An impurity cleaning device in a transmission shaft hole comprises a guide sliding block;

an anti-falling cavity is arranged in the guide sliding block, an extension device is arranged in the anti-falling cavity, the extension device comprises a T-shaped block which is connected with the anti-falling cavity in a sliding mode and is bilaterally symmetrical, and a cross hinge frame which is hinged to the T-shaped block and is positioned on the outer side of the upper end of the anti-falling cavity, when the T-shaped blocks are drawn together, the T-shaped blocks can be extended in the vertical direction according to the cross hinge frame, the end face of the lower end of the anti-falling cavity is rotatably connected with a transmission shaft, the tail end of the lower end of the transmission shaft is provided with a puncture device, the puncture device;

the device comprises a transmission shaft, a spring arm, a transmission shaft, a lifting system and a control system, wherein the transmission shaft is provided with a containing component positioned in the upper end of the spring arm, the containing component comprises a disc in sliding connection with the transmission shaft, four lower pull rods hinged on the disc and in central symmetry, and a cloth bag connected between the lower pull rods;

be equipped with on the transmission shaft and be located the covering device of operating system upper end, covering device include with the transmission shaft rotates the apron of connecting, set up in the apron and centrosymmetric smooth chamber, with transmission shaft sliding connection's side shield, utilize the apron with the side shield shelters from hold the subassembly, prevent that impurity from splashing.

2. The device for cleaning impurities in the shaft hole of the transmission as claimed in claim 1, wherein: the inner wall of the lower side of the anti-falling cavity is embedded with a motor which is in power connection with the transmission shaft.

3. The device for cleaning impurities in the shaft hole of the transmission as claimed in claim 1, wherein: the extension device is characterized by further comprising a limiting frame located on the upper side, a translation cavity with a downward opening is arranged in the limiting frame, a screw rod extending leftwards and rightwards is rotatably connected in the translation cavity, a hinge seat with bilateral symmetry is connected to the screw rod in a threaded manner, the hinge seat is connected with the upper end of the cross hinge frame in a hinged manner, and a knob located at the outer end of the right side of the translation cavity is arranged on the screw rod.

4. The device for cleaning impurities in the shaft hole of the transmission as claimed in claim 3, wherein: the button is fixedly arranged on the end face of the upper side of the translation cavity.

5. The device for cleaning impurities in the shaft hole of the transmission as claimed in claim 1, wherein: the puncture device further comprises a buffer spring connected between the spring arm and the transmission shaft.

6. The device for cleaning impurities in the shaft hole of the transmission as claimed in claim 1, wherein: hold the subassembly still including rotate connect with on the transmission shaft and be located the quadrangle dish of disc upper end, articulated on the quadrangle dish have four upper pull rods of central symmetry, upper pull rod with articulated connection between the lower pull rod, sliding connection has four push rods of central symmetry on the quadrangle dish, the push rod with be connected with reset spring between the four corners dish lower extreme terminal surface.

7. The device for cleaning impurities in the shaft hole of the transmission as claimed in claim 1, wherein: the scraper device is including being fixed in the fixed case of symmetric center end is kept away from to the telescopic link, be equipped with the change chamber in the fixed case, change the chamber and keep away from sliding connection's profile of tooth cutter on the lateral inner wall of symmetric center, the fixed incasement internal rotation is connected with the fixed axle, be equipped with on the fixed axle with the gear that the meshing of profile of tooth cutter is connected, it is located to change chamber and keep away from sliding connection on the lateral inner wall of symmetric center the wall pole that touches of profile of tooth cutter lower extreme, touch the wall pole with the meshing is connected between the gear, touch the wall pole with change and be connected with extension spring between.

8. The device for cleaning impurities in the shaft holes of the transmission as claimed in claim 6, wherein: the lifting system comprises a connecting frame which is rotatably connected to the transmission shaft and located at the lower end of the four-corner disc, the connecting frame is connected with the telescopic rod in a sliding mode, the connecting frame is connected with a lifting barrel in a sliding mode, the lifting barrel is connected with the transmission shaft in a threaded mode, and the lower end of the lifting barrel is fixedly connected with the upper end of the disc.

9. The device for cleaning impurities in the shaft holes of the transmission as claimed in claim 6, wherein: the covering device further comprises a rotary groove which is arranged on the inner wall of the lower side of the sliding cavity in a penetrating mode, a contact rod which can be abutted to a side baffle is connected to the rotary groove in a rotating mode, the lower side of the contact rod is connected with the push rod in a hinged mode, the side baffle is provided with a clamping rod close to the symmetrical center end, the clamping rod is connected with a compression spring between the sliding cavities, the cover plate is internally provided with a winding cavity between the sliding cavities, the transmission shaft is provided with a wire wheel which is located in the winding cavity, and a pull rope is connected between the wire wheel and the clamping rod.

Technical Field

The invention relates to the technical field of deep hole cleaning, in particular to a device for cleaning impurities in a shaft hole of a transmission.

Background

In the deep hole design of the transmission shaft, quenching oil can remain in the hole after carburization and quenching, and steel shots or other impurities can remain in the deep hole after shot blasting. At present, the more advanced cleaning mode is ultrasonic cleaning, but the long-time high-power density cleaning can generate cavitation on the surface of the part. The other type directly uses the long rod gun nozzle to cooperate with compressed air to blow and sweep the deep drilling holes of the parts in the horizontal direction, and the impurities with strong cohesiveness cannot be cleaned. The above two cleaning methods may cause secondary pollution. If the impurities in the shaft cannot be cleaned, abnormal sound can be generated in the driving process of the vehicle. The present invention sets forth a device that solves the above problems.

Disclosure of Invention

The technical problem is as follows:

the ultrasonic cleaning can cause cavitation on the surface of the part, and the compressed air blowing method cannot clean impurities with strong caking property.

In order to solve the problems, the embodiment designs an impurity cleaning device in a transmission shaft hole, the impurity cleaning device in the transmission shaft hole comprises a guide slide block, an anti-falling cavity is arranged in the guide slide block, an extension device is arranged in the anti-falling cavity, the extension device comprises a T-shaped block which is connected with the anti-falling cavity in a sliding mode and is bilaterally symmetrical, and a cross hinge frame which is hinged on the T-shaped block and is positioned outside the upper end of the anti-falling cavity, the T-shaped blocks can be extended in the vertical direction according to the cross hinge frame when being mutually closed, the end face of the lower end of the anti-falling cavity is rotatably connected with a transmission shaft, the tail end of the lower end of the transmission shaft is provided with a puncture device, the puncture device comprises a spring arm which is rotatably connected with the transmission shaft, impurities are dispersed to the periphery by the spring arm, the containing assembly comprises a disc connected with the transmission shaft in a sliding way, four lower pull rods hinged on the disc and symmetrical in the center, and a cloth bag connected between the lower pull rods, wherein the cloth bag is used for receiving impurities for the closed circular cloth bag when in an unfolded state, the upper end of the lower pull rod is hinged with a telescopic rod, the side of the telescopic rod, which is far away from the symmetrical center, is provided with a scraper device for removing impurities with strong caking property, the transmission shaft is provided with a lifting system which is positioned at the upper end of the disc and controls the disc to move, be equipped with on the transmission shaft and be located the covering device of operating system upper end, covering device include with the transmission shaft rotates the apron of connecting, set up in the apron and centrosymmetric smooth chamber, with transmission shaft sliding connection's side shield, utilize the apron with the side shield shelters from hold the subassembly, prevent that impurity from splashing.

Preferably, a motor which is in power connection with the transmission shaft is embedded in the inner wall of the lower side of the anti-falling cavity.

The extension device is characterized by further comprising a limiting frame located on the upper side, a translation cavity with a downward opening is arranged in the limiting frame, a screw rod extending leftwards and rightwards is rotatably connected in the translation cavity, hinge seats in bilateral symmetry are connected to the screw rod in a threaded mode, the hinge seats are connected with the upper end of the cross hinge frame in a hinged mode, and a knob located at the outer end of the right side of the translation cavity is arranged on the screw rod.

Preferably, a button is fixedly arranged on the upper side end face of the translation cavity.

Wherein the puncturing device further comprises a buffer spring connected between the spring arm and the transmission shaft.

The holding assembly further comprises a quadrangular disc which is rotatably connected with the transmission shaft and is positioned at the upper end of the disc, four upper pull rods which are centrosymmetric are hinged on the quadrangular disc, the upper pull rods are hinged with the lower pull rods, four push rods which are centrosymmetric are connected on the quadrangular disc in a sliding mode, and reset springs are connected between the push rods and the lower end faces of the quadrangular disc.

Wherein, scraper device is including being fixed in the fixed case of symmetric center end is kept away from to the telescopic link, be equipped with the change chamber in the fixed case, change the chamber and keep away from sliding connection's profile of tooth cutter on the lateral inner wall of symmetric center, the internal rotation of fixed case is connected with the fixed axle, be equipped with on the fixed axle with the gear that the meshing of profile of tooth cutter is connected, it is located to change chamber and keep away from sliding connection on the lateral inner wall of symmetric center the wall pole is touched to profile of tooth cutter lower extreme, touch the wall pole with the meshing is connected between the gear, touch the wall pole with change and be connected with extension spring between the.

The lifting system comprises a connection frame which is rotatably connected to the transmission shaft and located at the lower end of the four-corner disc, the connection frame is in sliding connection with the telescopic rod, a lifting barrel is in sliding connection with the transmission shaft in threaded connection, and the lower end of the lifting barrel is fixedly connected with the upper end of the disc.

Wherein, cover the device still including link up set up in spout on the inboard wall of smooth chamber downside, it is connected with the contact lever that can with the side shield butt to rotate on the spout, the contact lever downside with the articulated connection between the push rod, the side shield is close to the symmetric center end and is equipped with the kelly, the kelly with be connected with compression spring between the smooth chamber, be equipped with in the apron and be located twine the chamber between the smooth chamber, be equipped with on the transmission shaft and be located twine the line wheel of intracavity, the line wheel with be connected with the stay cord between the kelly.

The invention has the beneficial effects that: according to the invention, by adopting the principle that the hinge rods can be extended horizontally or vertically in the folding and stretching process, the shaft type transmission parts with different inner hole depth sizes are cleaned by arranging a plurality of groups of hinge rods, and by means of the cutter structure and the collecting structure which are firstly contracted to the minimum horizontal length, vertically penetrate into the holes and are contacted with the bottom end, and then horizontally unfolded for cutting, impurities in the holes can be completely removed.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view of the overall structure of an impurity cleaning device in a shaft hole of a transmission according to the present invention;

FIG. 2 is an enlarged view of the structure at "A" in FIG. 1;

FIG. 3 is an enlarged view of the structure at "B" in FIG. 1;

FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 1;

FIG. 5 is a schematic view of the structure in the direction "D-D" of FIG. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to an impurity cleaning device in a shaft hole of a transmission, which is mainly applied to the process of removing impurities in a blind hole, and the invention is further explained by combining the attached drawings of the invention:

the invention relates to an impurity cleaning device in a transmission shaft hole, which comprises a guide sliding block 20, wherein an anti-falling cavity 18 is arranged in the guide sliding block 20, an extension device 901 is arranged in the anti-falling cavity 18, the extension device 901 comprises a T-shaped block 22 which is connected with the anti-falling cavity 18 in a sliding way and is bilaterally symmetrical, and a cross hinge frame 13 which is hinged on the T-shaped block 22 and is positioned outside the upper end of the anti-falling cavity 18, when the T-shaped blocks 22 are mutually closed, the T-shaped block can extend in the vertical direction according to the cross hinge frame 13, the end surface of the lower end of the anti-falling cavity 18 is rotatably connected with a transmission shaft 28, the tail end of the lower end of the transmission shaft 28 is provided with a puncture device 902, the puncture device 902 comprises a spring arm 29 which is rotatably connected with the transmission shaft 28, impurities are dispersed to the periphery, the containing component 903 comprises a disc 31 connected with the transmission shaft 28 in a sliding manner, four lower pull rods 27 hinged on the disc 31 and symmetrical in center, and a cloth bag 26 connected between the lower pull rods 27, the cloth bag 26 is utilized to receive impurities for the closed circular cloth bag when being unfolded, the upper end of the lower pull rod 27 is hinged with a telescopic rod 53, the telescopic rod 53 is provided with a scraper device 904 for removing the impurities with strong cohesiveness away from the side of the symmetrical center, the transmission shaft 28 is provided with a lifting system 905 which is positioned at the upper end of the disc 31 and controls the disc 31 to move, the transmission shaft 28 is provided with a covering device 906 positioned at the upper end of the lifting system 905, the covering device 906 comprises a cover plate 39 rotationally connected with the transmission shaft 28, a sliding cavity 38 arranged in the cover plate 39 and symmetrical in center, and a side baffle 37 connected with the transmission shaft 28 in a sliding manner, the cover plate 39 and the side baffle 37 are used for shielding the containing component 903, so that the impurities are prevented from splashing.

Advantageously, a motor 19 which is in power connection with the transmission shaft 28 is embedded in the inner wall of the lower side of the anti-falling cavity 18 to provide power for the operation of the equipment.

According to an embodiment, the elongation device 901 is described in detail below, the elongation device 901 further includes a limiting frame 14 located on the upper side, a translation cavity 15 with a downward opening is arranged in the limiting frame 14, a screw rod 16 extending left and right is rotatably connected in the translation cavity 15, hinge seats 17 symmetrical left and right are connected to the screw rod 16 in a threaded manner, the hinge seats 17 are connected to the upper end of the cross hinge frame 13 in a hinged manner, and a knob 11 located at the outer end of the right side of the translation cavity 15 is arranged on the screw rod 16.

Advantageously, a push button 12 is fixedly arranged on the upper side end face of the translation chamber 15, and the operation of the motor 19 is controlled by the push button 12.

In accordance with an embodiment, the lancing device 902 is described in detail below, the lancing device 902 further includes a buffer spring 30 coupled between the spring arm 29 and the drive shaft 28.

According to an embodiment, the containing component 903 is described in detail below, the containing component 903 further includes a quadrangular disc 43 rotatably connected to the transmission shaft 28 and located at the upper end of the circular disc 31, the quadrangular disc 43 is hinged to four upper pull rods 24 with central symmetry, the upper pull rods 24 are hinged to the lower pull rods 27, the quadrangular disc 43 is slidably connected to four push rods 42 with central symmetry, a return spring 44 is connected between the push rods 42 and the lower end face of the quadrangular disc 43, and the upper pull rods 24 and the lower pull rods 27 are folded to horizontally unfold the telescopic rods 53 by fixing the quadrangular disc 43 and closing the circular disc 31.

In the following, the doctor device 904 is described in detail according to an embodiment, said doctor device 904 comprises a stationary box 45 fixed to the end of said telescopic rod 53 remote from the centre of symmetry, a change cavity 46 is arranged in the fixed box 45, the change cavity 46 is far away from a tooth-shaped cutter 48 which is connected on the inner wall of the symmetrical center side in a sliding way, a fixed shaft 51 is rotatably connected in the fixed box 45, a gear 50 engaged with the tooth-shaped cutter 48 is arranged on the fixed shaft 51, a wall contact rod 49 at the lower end of the tooth-shaped cutter 48 is connected on the inner wall of the change cavity 46 far away from the symmetrical center in a sliding way, the wall contact rod 49 is meshed with the gear 50, the extension spring 52 is connected between the wall contact rod 49 and the change cavity 46, and the wall contact rod 49 and the tooth-shaped cutter 48 horizontally slide to ensure that the tooth-shaped cutter 48 is attached to the hole wall and is not inserted into the hole wall.

According to an embodiment, the following description describes in detail the lifting system 905, the lifting system 905 includes a connection frame 23 rotatably connected to the transmission shaft 28 and located at the lower end of the quadrangular disc 43, the connection frame 23 is slidably connected to the telescopic rod 53, the connection frame 23 is slidably connected to a lifting barrel 25 threadedly connected to the transmission shaft 28, and the lower end of the lifting barrel 25 is fixedly connected to the upper end of the circular disc 31.

According to an embodiment, the following detailed description of the covering device 906, the covering device 906 further includes a rotating groove 41 penetrating through the inner wall of the lower side of the sliding cavity 38, a contact rod 40 capable of abutting against the side baffle 37 is rotatably connected to the rotating groove 41, the lower side of the contact rod 40 is hinged to the push rod 42, the side baffle 37 is provided with a clamping rod 36 near the symmetrical center end, a compression spring 35 is connected between the clamping rod 36 and the sliding cavity 38, a winding cavity 32 located between the sliding cavities 38 is arranged in the cover plate 39, a wire wheel 33 located in the winding cavity 32 is arranged on the transmission shaft 28, and a pull rope 34 is connected between the wire wheel 33 and the clamping rod 36.

The following describes in detail the use steps of the impurity cleaning device in the shaft hole of the transmission according to the present disclosure with reference to fig. 1 to 5:

initially, the distance between the hinge seats 17 is the maximum value, so that the cross hinge frame 13 is folded and stored along the vertical direction, the side baffle 37 is located in the sliding cavity 38, the lower side end face of the side baffle 37 is in friction butt joint with the contact rod 40, the sliding of the side baffle 37 is limited, the compression spring 35 is compressed at the moment, the distance between the four corner plates 43 and the circular plate 31 is the maximum value, and the telescopic rod 53 is contracted to the shortest length.

During operation, the transmission shaft is vertically placed, the transmission shaft 28 is manually placed in the hole, the knob 11 is manually rotated to drive the screw 16 to rotate, the hinge seats 17 are closed to each other, the cross hinge frame 13 is unfolded downwards, meanwhile, the cross hinge frame 13 pushes the T-shaped blocks 22 to close to each other and extrude the resistance springs 21, the cross hinge frame 13 pushes all parts below the guide slider 20 to move downwards to the inner wall of the bottom end of the hole, at the moment, the button 12 is pressed to start the motor 19, the transmission shaft 28 rotates, the transmission shaft 28 drives the lifting barrel 25 to move upwards through thread transmission, and then the disc 31 is driven to slide upwards, as the length between the lower pull rod 27 and the upper pull rod 24 is unchanged, the telescopic rod 53 is pushed to unfold in the horizontal direction, the telescopic rod 53 pushes the fixing box 45 to move integrally, the wall contact rod 49 is contacted with the hole wall and pushes the self to move inwards the change cavity 46, the, then the gear 50 is meshed to rotate the tooth-shaped cutter 48 and push the tooth-shaped cutter 48 to move towards the outer side of the change cavity 46, finally the tooth-shaped cutter 48 and the wall contact rod 49 are positioned on the same vertical line, the tooth-shaped cutter 48 is effectively prevented from being inserted into the hole wall to damage the transmission shaft, meanwhile, the lower pull rod 27 is turned to stretch the cloth bag 26 tightly and receive impurities, the upper pull rod 24 is abutted against the push rod 42 and pushes the push rod 42 to move upwards in the turning process of the upper pull rod 24, so that the contact rod 40 is rotated to be separated from the abutment against the side baffle 37, the side baffle 37 can move towards the side far away from the transmission shaft 28 under the elastic recovery of the compression spring 35, a semi-closed ball cover can be formed between the side baffle 37 and the cover plate 39, the button 12 is released to close the motor 19, at the moment, the knob 11 is rotated in the manual direction, the part below the guide slider 20 is moved upwards through the, the foreign substances are collected by the cloth bag 26.

The invention has the beneficial effects that: according to the invention, by adopting the principle that the hinge rods can be extended horizontally or vertically in the folding and stretching process, the shaft type transmission parts with different inner hole depth sizes are cleaned by arranging a plurality of groups of hinge rods, and by means of the cutter structure and the collecting structure which are firstly contracted to the minimum horizontal length, vertically penetrate into the holes and are contacted with the bottom end, and then horizontally unfolded for cutting, impurities in the holes can be completely removed.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.