CN221247697U - Drill bit tool for drilling and tapping mounting surface of main reducer of axle housing - Google Patents
Drill bit tool for drilling and tapping mounting surface of main reducer of axle housingInfo
- Publication number
- CN221247697U CN221247697U CN202323290882.3U CN202323290882U CN221247697U CN 221247697 U CN221247697 U CN 221247697U CN 202323290882 U CN202323290882 U CN 202323290882U CN 221247697 U CN221247697 U CN 221247697U
- Authority
- CN
- China
- Prior art keywords
- drilling
- drill bit
- tapping
- axle housing
- mounting surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 68
- 238000010079 rubber tapping Methods 0.000 title claims abstract description 51
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 37
- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000003028 elevating effect Effects 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Abstract
The utility model discloses a drill bit tool for drilling and tapping a mounting surface of a main reducer of an axle housing, which comprises a fixed plate and a telescopic plate which is elastically connected to the lower side of the fixed plate, wherein the telescopic plate can elastically stretch and retract relative to the fixed plate, the fixed plate is respectively provided with a plurality of mounting holes which are circumferentially distributed at intervals, and a drilling or tapping drill bit assembly is detachably arranged in each mounting hole; the middle part of expansion plate is equipped with the through-hole, and the border fixedly connected with pressure disk of expansion plate's downside along the through-hole is equipped with a plurality of guiding hole that is circumference interval distribution on the pressure disk respectively, and a plurality of drilling or tapping drill bit subassembly can downwards correspond respectively and pass a plurality of guiding hole and extend for main reducer installation face to the axle housing is drilled or tapped in step. The utility model can synchronously implement drilling or tapping operation, can process a plurality of mounting holes on the mounting surface of the main speed reducer at one time, effectively improves the working efficiency, ensures the processing precision, has small loss and is convenient for replacement.
Description
Technical Field
The utility model relates to the technical field of axle housing production and processing, in particular to a drill bit tool for drilling and tapping an axle housing main reducer mounting surface.
Background
The axle housing is provided with a main speed reducer, a differential mechanism, a half axle and a wheel assembly matrix, and is mainly used for supporting and protecting the main speed reducer, the differential mechanism, the half axle and the like. In general, the axle housing of a common non-disconnected drive axle is a rigid hollow beam supported on left and right drive wheels, in which the driving parts such as a main speed reducer, a differential mechanism, a half axle and the like are all arranged, and the axle housing is connected with a frame or a carriage through a longitudinal leaf spring, so that the axle housing is not only an important component of the drive axle, but also one of main components of a running system.
In order to install the main reducer on the axle housing, a mounting hole needs to be machined on a mounting surface of the main reducer (namely, the end face of the ball housing part of the axle housing), and the main reducer mainly comprises two working procedures of drilling and tapping. At present, a traveling crane is adopted to hoist the axle housing to a workbench of a drilling machine, a fixture on the drilling machine is adopted to clamp the axle housing, and drilling or tapping operation is carried out by a drilling or tapping drill bit capable of rotating, so that mounting holes are machined one by one.
Obviously, the machining mode of machining the mounting holes one by adopting the drilling or tapping drill bit for rotary movement is low in working efficiency, in addition, the mounting holes to be machined are distributed at equal intervals along the circumferential direction of the mounting surface of the main speed reducer, the inner diameter, depth and other dimensions of each mounting hole are required to be kept consistent, the precision requirement on the moving stroke of the drill bit is higher, and otherwise, the machining precision is difficult to reliably guarantee; in addition, a set of drill bit needs to be provided with a plurality of mounting holes, so that the drill bit loss is large, frequent replacement is needed, and cost saving is not facilitated.
Disclosure of utility model
The utility model aims to overcome the defects and shortcomings in the prior art, and provides a drill bit tool for drilling and tapping on the mounting surface of a main speed reducer of an axle housing, which can synchronously implement drilling or tapping operation, and can process a plurality of mounting holes on the mounting surface of the main speed reducer at one time so as to improve the working efficiency, ensure the processing precision and avoid excessive loss of a drill bit.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
A drill bit frock for axle housing main reducer installation face drilling and tapping, including fixed mounting in the fixed plate of the elevating socket downside of drilling machine, its characterized in that: the lower side of the fixed plate is elastically connected with a telescopic plate, the telescopic plate can elastically stretch and retract relative to the fixed plate, the fixed plate is respectively provided with a plurality of mounting holes which are circumferentially distributed at intervals, and a drilling or tapping drill bit assembly is detachably arranged in each mounting hole; the middle part of expansion plate is equipped with the through-hole, the downside of expansion plate is followed the border fixedly connected with pressure disk of through-hole, the pressure disk on be equipped with respectively and be a plurality of guiding hole that circumference interval distributes, a plurality of drilling or tapping drill bit subassembly can downwards correspond respectively pass a plurality of guiding hole and extend for the main reducer installation face to the axle housing is drilled or tapped in step.
Furthermore, the four corners of the fixing plate are fixedly connected with guide posts which extend downwards, the telescopic plates are sleeved on the four guide posts in a sliding manner, and springs are sleeved outside the guide posts between the fixing plate and the telescopic plates.
Further, the bottom end of the guide post is fixedly connected with a stop head.
Further, the drilling or tapping drill bit assembly comprises a sleeve, a connecting shaft and a drilling or tapping drill bit, the sleeve is rotationally sleeved in corresponding mounting holes, threads are arranged on the inner wall of the sleeve, the connecting shaft and the drilling or tapping drill bit are correspondingly arranged at the upper end and the lower end of the sleeve respectively through threaded matching, the connecting shaft extends upwards and is used for being detachably connected with a transmission shaft on a lifting seat of a drilling machine, the drilling or tapping drill bit extends downwards and can downwards pass through corresponding guide holes and extend out and is used for drilling or tapping a main reducer mounting surface of an axle housing.
Further, the pressure plate is of an annular structure, and is used for pressing the main reducer mounting surface of the axle housing after moving downwards along with the lifting seat of the drilling machine.
Further, the periphery of the fixed plate is respectively provided with an assembly hole for fixedly mounting the fixed plate on the lower side of the lifting seat of the drilling machine.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, a plurality of drilling or tapping drill bit assemblies are adopted, so that drilling or tapping operation can be synchronously implemented, a plurality of mounting holes can be processed on the mounting surface of the main speed reducer at one time, the working efficiency is effectively improved, the processing precision is ensured, and one drilling or tapping drill bit assembly correspondingly processes one mounting hole, so that the loss is small, and the service life is prolonged; in addition, each drilling or tapping drill bit assembly is detachably mounted, so that the drilling or tapping drill bit assembly is convenient to replace, and drilling and tapping operations can be implemented according to needs.
Drawings
Fig. 1 is a schematic structural diagram of the present utility model.
Fig. 2 is a schematic structural diagram of the second embodiment of the present utility model.
Fig. 3 is a schematic view of a drill or tap bit assembly of the present utility model.
Fig. 4 is a schematic diagram of a drill or tap bit assembly according to the utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, a drill bit tool for drilling and tapping on a mounting surface of a main reducer of an axle housing comprises a fixed plate 1 fixedly mounted on the lower side of a lifting seat (not shown in the figure), wherein the lower side of the fixed plate 1 is elastically connected with a telescopic plate 2, the telescopic plate 2 can elastically stretch and retract relative to the fixed plate 1, a plurality of mounting holes which are circumferentially and alternately distributed are respectively arranged on the fixed plate 1, and a drilling or tapping drill bit assembly 3 is detachably mounted in each mounting hole; the middle part of expansion plate 2 is equipped with through-hole 4, and the downside of expansion plate 2 is along the border fixedly connected with pressure disk 5 of through-hole 4, is equipped with a plurality of guiding hole 6 that is circumference interval distribution on the pressure disk 5 respectively, and a plurality of drilling or tapping drill bit subassembly 3 can downwards correspond respectively and pass a plurality of guiding hole 6 and extend for main reducer installation face (not shown in the figure) to the axle housing is drilled or tapped in step.
According to the utility model, the four corners of the fixed plate 1 are fixedly connected with the guide posts 7 which extend downwards, the telescopic plate 2 is sleeved on the four guide posts 7 in a sliding manner, and the springs 8 are sleeved outside the guide posts 7 between the fixed plate 1 and the telescopic plate 2, so that the telescopic plate 2 is elastically connected to the lower side of the fixed plate 1, and the telescopic plate 2 can elastically stretch relative to the fixed plate 1.
In the utility model, the bottom ends of the guide posts 7 are fixedly connected with the stop heads 9, so that the telescopic plate 2 is prevented from being separated from the four guide posts 7.
In the utility model, the drilling or tapping drill bit assembly 3 comprises a sleeve 31, a connecting shaft 32 and a drilling or tapping drill bit 33, wherein the sleeve 31 is rotationally sleeved in corresponding mounting holes, threads are arranged on the inner wall of the sleeve 31, the connecting shaft 32 and the drilling or tapping drill bit 33 are respectively correspondingly arranged at the upper end and the lower end of the sleeve 31 through threaded matching, wherein the connecting shaft 32 extends upwards and is used for being detachably connected with a transmission shaft on a lifting seat of a drilling machine, so that the drilling or tapping operation is synchronously implemented by correspondingly driving each drilling or tapping drill bit assembly 3 to rotate through each transmission shaft by a motor arranged on the lifting seat of the drilling machine, and in addition, each connecting shaft 32 is detachably connected with each transmission shaft on the lifting seat of the drilling machine, thereby realizing the replacement of the drill bit tool of the utility model; the boring or tapping bit 33 extends downwardly through the corresponding guide hole 6 and extends therefrom to bore or tap the final drive mounting surface of the axle housing.
In the utility model, the pressure plate 5 is of an annular structure, and can press the main reducer mounting surface of the axle housing to position the main reducer mounting surface after moving downwards along with the lifting seat of the drilling machine.
In the utility model, the periphery of the fixed plate 1 is respectively provided with the assembly holes 10, so that the fixed plate 1 is fixedly arranged on the lower side of the lifting seat of the drilling machine, and the drill bit tool is convenient to detach, thereby realizing the replacement of the drill bit tool.
The utility model is further described below with reference to the accompanying drawings:
When the drilling machine is used, the axle housing is lifted to the workbench of the drilling machine by adopting the crane, the mounting surface of the main speed reducer of the axle housing (namely the end surface of the ball housing part of the axle housing) is kept upwards, the axle housing is clamped by adopting the fixture on the drilling machine, and then the lifting seat of the drilling machine drives the drill bit tool to move downwards.
When the pressure plate 5 contacts with the mounting surface of the main reducer, the lifting seat of the drilling machine drives the drill bit tool to move downwards continuously, the telescopic plate 2 is contracted upwards relative to the fixed plate 1, namely moves upwards along the four guide posts 7, the springs 8 compress, and the pressure plate 5 compresses the mounting surface of the main reducer of the axle housing.
At this time, a plurality of boring or tapping bits 33 extend downward through the corresponding guide holes 6 while simultaneously performing boring or tapping operations on the main reducer mounting surface of the axle housing.
Although the present disclosure describes embodiments, not every embodiment is described in terms of a single embodiment, and such description is for clarity only, and one skilled in the art will recognize that the embodiments described in the disclosure as a whole may be combined appropriately to form other embodiments that will be apparent to those skilled in the art.
Therefore, the above description is not intended to limit the scope of the application; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (6)
1. A drill bit frock for axle housing main reducer installation face drilling and tapping, including fixed mounting in the fixed plate of the elevating socket downside of drilling machine, its characterized in that: the lower side of the fixed plate is elastically connected with a telescopic plate, the telescopic plate can elastically stretch and retract relative to the fixed plate, the fixed plate is respectively provided with a plurality of mounting holes which are circumferentially distributed at intervals, and a drilling or tapping drill bit assembly is detachably arranged in each mounting hole; the middle part of expansion plate is equipped with the through-hole, the downside of expansion plate is followed the border fixedly connected with pressure disk of through-hole, the pressure disk on be equipped with respectively and be a plurality of guiding hole that circumference interval distributes, a plurality of drilling or tapping drill bit subassembly can downwards correspond respectively pass a plurality of guiding hole and extend for the main reducer installation face to the axle housing is drilled or tapped in step.
2. The drill bit tooling for drilling and tapping the mounting surface of the main reducer of the axle housing according to claim 1, wherein: the four corners of the fixing plate are fixedly connected with guide posts which extend downwards, the telescopic plates are sleeved on the four guide posts in a sliding mode, and springs are sleeved outside the guide posts between the fixing plate and the telescopic plates.
3. The drill bit tooling for drilling and tapping the mounting surface of the main reducer of the axle housing according to claim 2, wherein: the bottom end of the guide post is fixedly connected with a stop head.
4. The drill bit tooling for drilling and tapping the mounting surface of the main reducer of the axle housing according to claim 1, wherein: the drilling or tapping drill bit assembly comprises a sleeve, a connecting shaft and a drilling or tapping drill bit, wherein the sleeve is rotationally sleeved in corresponding mounting holes, threads are arranged on the inner wall of the sleeve, the connecting shaft and the drilling or tapping drill bit are correspondingly arranged at the upper end and the lower end of the sleeve respectively through threaded fit, the connecting shaft extends upwards and is used for being detachably connected with a transmission shaft on a lifting seat of a drilling machine, the drilling or tapping drill bit extends downwards and can downwards pass through corresponding guide holes and extend out and is used for drilling or tapping a main reducer mounting surface of an axle housing.
5. The drill bit tooling for drilling and tapping the mounting surface of the main reducer of the axle housing according to claim 1, wherein: the pressure plate is of an annular structure, and is used for pressing the main reducer mounting surface of the axle housing after moving downwards along with the lifting seat of the drilling machine.
6. The drill bit tooling for drilling and tapping the mounting surface of the main reducer of the axle housing according to claim 1, wherein: and the periphery of the fixed plate is respectively provided with an assembly hole for fixedly mounting the fixed plate on the lower side of the lifting seat of the drilling machine.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221247697U true CN221247697U (en) | 2024-07-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |