CN207982849U - A kind of crankshaft-link rod positioning apparatus for circumferential direction - Google Patents
A kind of crankshaft-link rod positioning apparatus for circumferential direction Download PDFInfo
- Publication number
- CN207982849U CN207982849U CN201820455314.4U CN201820455314U CN207982849U CN 207982849 U CN207982849 U CN 207982849U CN 201820455314 U CN201820455314 U CN 201820455314U CN 207982849 U CN207982849 U CN 207982849U
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- positioning
- positioning seat
- bottom plate
- seat
- guide
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a kind of crankshaft-link rod positioning apparatus for circumferential direction, including bottom plate, positioning seat, positioning briquetting, guide post, guide sleeve, adjustable spring and holding screw, a positioning groove is offered among positioning seat, two pieces of positioning briquettings are symmetrically fixed on opposite sides face in positioning groove, two relative positioning faces of two pieces of positioning briquettings are inclined-plane, on positioning seat two guide posts are fixed with positioned at the monosymmetric of positioning groove, opposite two guide post positions are respectively and fixedly provided with a guide sleeve on bottom plate, two guide post bottoms are plugged in respectively in two guide sleeves, an adjustable spring is also arranged between positioning seat bottom surface and plate upper surface on each guide sleeve, on positioning seat a positioning through hole is offered on the centre position of positioning groove bottom, a holding screw is equipped in positioning through hole, the bottom of holding screw is fixed on bottom plate.Have the characteristics that simple and reasonable, good positioning effect, can effectively ensure that the processing quality of crankshaft flange upper Positioning holes.
Description
Technical field
The utility model is related to a kind of positioning devices, and in particular to a kind of crankshaft-link rod positioning apparatus for circumferential direction belongs to machinery
Processing technique field.
Background technology
In the location hole on machining crankshafts ring flange, in order to ensure the precision of angle and geometric tolerance, ensure processing matter
Amount needs to carry out crankshaft-link rod circumferentially positioned.The positioning apparatus for circumferential direction used at present, structure is as shown in Figure 1, include bottom plate
1, positioning seat 2 and positioning briquetting 3, positioning seat 2 are directly anchored on bottom plate 1, and a positioning groove 4 is offered among positioning seat 2, fixed
It is equipped with a positioning briquetting 3 on two opposite faces being located in positioning groove 4 on the seat 2 of position, two pieces of positioning briquettings 3 are positioned opposite,
And two relative positioning faces 5 of two pieces of positioning briquettings 3 are plane, one of positioning briquetting 3 is fixed by housing screw 6
On positioning seat 2, another piece of positioning briquetting 3 is then fixed on by the positioning screw component 8 equipped with adjustable spring 7 on positioning seat 2.
In use, between crankshaft-link rod is first positioned directly in two pieces of positioning briquettings 3, then allows the pressing plate on fixture to push bent axle and connect
Bar, since the relative positioning face 5 between two pieces of positioning briquettings 3 is plane, and only one piece of positioning briquetting 3 is flexible by being equipped with
The positioning screw component 8 of spring 7 is fixed on positioning seat 2, and therefore, not only main bearing journal center is connected with connecting rod neck center
Made of the verticality of center line section in the axial direction and horizontal plane can not ensure that making it, there are angular deviations, to big
The big precision for reducing positioning hole machined hour angle degree, and when connecting rod outer diameter is there are when deviation, connecting rod just can only offset to one side, by two
Block positioning briquetting 3 carries out left and right to connecting rod and compresses positioning, can thus have centralized positioning deviation, substantially reduce positioning hole machined
When geometric tolerance precision.
Utility model content
In view of the above-mentioned problems, the problem of the utility model intends to solve is to provide a kind of simple and reasonable, good positioning effect
Crankshaft-link rod positioning apparatus for circumferential direction, can effectively ensure that the processing quality of crankshaft flange upper Positioning holes.
In order to achieve the above objectives, the utility model uses following technical scheme：A kind of crankshaft-link rod positioning apparatus for circumferential direction, packet
Bottom plate, positioning seat, positioning briquetting, guide post, guide sleeve, adjustable spring and holding screw are included, is offered among the positioning seat certain
Position groove is symmetrically fixed with two pieces of positioning briquettings on the opposite sides face being located in the positioning groove on the positioning seat,
The opposite face of two pieces of positioning briquettings is two positioning surfaces, and two positioning surfaces are inclined-plane, are located on the positioning seat
The monosymmetric of the positioning groove is fixed with two guide posts arranged vertically, and the every guide post runs through the positioning
Seat, the positioning seat lower section are equipped with a bottom plate, and being respectively and fixedly provided with one with respect to two guide post positions on the bottom plate leads
Set, two guide post bottoms are plugged in respectively in two guide sleeves, and positioned at the guide post center line and guide sleeve center line of the same side
It is on the same straight line, is also arranged between the positioning seat bottom surface and the plate upper surface on each guide sleeve
One adjustable spring, described adjustable spring one end are fixed on the bottom surface of the positioning seat, and the other end is fixed on the upper of the bottom plate
On surface, it is further opened with a positioning through hole on the centre position of the positioning groove bottom on the positioning seat, it is described fixed
It is equipped with a holding screw in the through-hole of position, the bottom of the holding screw is fixed on bottom plate, to which the positioning seat to be located in
The top of the bottom plate.
Preferably, the fixing piece between the positioning briquetting and the positioning seat is positioning bolt.
Effective achievement of the utility model is：The utility model is simple and reasonable, whole to be arranged in a symmetrical structure,
In use, first crankshaft-link rod is located in two pieces of positioning briquettings, the pressing plate on fixture is then allowed to push crankshaft-link rod.At this point,
On the one hand due to provided with two pieces of fixed positioning briquettings being arranged symmetrically, and the positioning surface of positioning briquetting is inclined-plane, to
Be not in not only left and right offset during pushing, and adjust automatically connecting rod center, realization upper-lower compacting can determine downwards
Position, ensures the accuracy of centralized positioning, the precision of geometric tolerance when to ensure to position hole machined；On the other hand, due to setting
Two guide posts being arranged symmetrically, two guide sleeves and two adjustable springs realize the essence of vertical direction during being pressed downward
Standard is oriented to, be effectively ensured the section of center line that main bearing journal center and connecting rod neck center are formed by connecting in the axial direction with it is horizontal
The verticality in face, to improve the precision of positioning hole machined hour angle degree.
In conclusion the utility model has the characteristics that simple and reasonable, good positioning effect, bent axle can effectively ensure that
The processing quality of ring flange upper Positioning holes.
Description of the drawings
Fig. 1 is the structural schematic diagram of prior art crankshaft-link rod positioning apparatus for circumferential direction.
Fig. 2 is the structural schematic diagram of the utility model.
In figure：1- bottom plates, 2- positioning seats, 3- positioning briquettings, 4- positioning grooves, 5- positioning surfaces, 6- housing screws, 7- are flexible
Spring, 8- positioning screw components, 9- guide posts, 10- guide sleeves, 11- positioning through hole, 12- holding screws, 13- positioning bolts.
Specific implementation mode
In order to make those skilled in the art be better understood from the utility model, below in conjunction in the present embodiment
Attached drawing carries out clear, complete description to the technical scheme in the embodiment of the utility model.
As shown in Fig. 2, the utility model discloses a kind of crankshaft-link rod positioning apparatus for circumferential direction, including bottom plate 1, positioning seat 2,
Positioning briquetting 3, guide post 9, guide sleeve 10, adjustable spring 7 and holding screw 12 offer a positioning groove 4 among positioning seat 2, fixed
It is symmetrically fixed with two pieces of positioning briquettings 3 on the opposite sides face being located in positioning groove 4 on the seat 2 of position, two pieces of positioning briquettings 3
Opposite face is two positioning surfaces 5, and two positioning surfaces 5 are inclined-plane, are located at the monosymmetric solid of positioning groove 4 on positioning seat 2
Surely there are two guide posts arranged vertically 9, every guide post 9 runs through positioning seat 2, and 2 lower section of positioning seat is equipped with a bottom plate 1, on bottom plate 1
Opposite two 9 positions of guide post are respectively and fixedly provided with a guide sleeve 10, and two 9 bottoms of guide post are plugged in respectively in two guide sleeves 10,
And positioned at the same side 9 center line of guide post and 10 center line of guide sleeve be on the same straight line, on each guide sleeve 10 be located at positioning seat 2
An adjustable spring 7 is also arranged between 1 upper surface of bottom surface and bottom plate, 7 one end of adjustable spring is fixed on the bottom surface of positioning seat 2
On, the other end is fixed on the upper surface of bottom plate 1, is further opened on the centre position of 4 bottom of positioning groove on positioning seat 2
One positioning through hole 11 is equipped with a holding screw 12 in positioning through hole 11, and the bottom of holding screw 12 is fixed on bottom plate 1, to
Positioning seat 2 is located in the top of bottom plate 1, the fixing piece between positioning briquetting 3 and positioning seat 2 is positioning bolt 13.
The utility model is simple and reasonable, whole to be arranged in a symmetrical structure, in use, being first located in crankshaft-link rod
In two pieces of positioning briquettings 3, the pressing plate on fixture is then allowed to push crankshaft-link rod.At this point, being on the one hand arranged symmetrically due to being provided with
Two pieces of fixed positioning briquettings 3, and the positioning surface 5 of positioning briquetting 3 be inclined-plane not only will not during being pressed downward
There is left and right offset, and adjust automatically connecting rod center, realization upper-lower compacting positioning can ensure the accurate of centralized positioning downwards
Property, the precision of geometric tolerance when to ensure to position hole machined；On the other hand, due to provided with two guide posts 9 being arranged symmetrically,
Two guide sleeves 10 and two adjustable springs 7 realize the accurate guiding of vertical direction, song are effectively ensured during being pressed downward
The verticality in the section and horizontal plane of the center line that axis trunnion center and connecting rod neck center are formed by connecting in the axial direction, to carry
The precision of height positioning hole machined hour angle degree.The final processing quality for ensureing crankshaft flange upper Positioning holes.
Obviously, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.
It is obtained by those of ordinary skill in the art without making creative efforts based on the embodiments of the present invention
Every other embodiment should all belong to the range of the utility model protection.
Claims (2)
1. a kind of crankshaft-link rod positioning apparatus for circumferential direction, including bottom plate (1), positioning seat (2), positioning briquetting (3), guide post (9), guide sleeve
(10), adjustable spring (7) and holding screw (12), it is characterised in that：A positioning groove is offered among the positioning seat (2)
(4), two pieces of positioning pressures are symmetrically fixed on the opposite sides face being located in the positioning groove (4) on the positioning seat (2)
The opposite face of block (3), two pieces of positioning briquettings (3) is two positioning surfaces (5), and two positioning surfaces (5) are inclined-plane, institute
It states and is fixed with two guide posts arranged vertically (9) positioned at the monosymmetric of the positioning groove (4) on positioning seat (2), every
The guide post (9) runs through the positioning seat (2), is equipped with a bottom plate (1) below the positioning seat (2), phase on the bottom plate (1)
One guide sleeve (10) is respectively and fixedly provided with to two guide post (9) positions, two guide post (9) bottoms are plugged in two respectively
Guide post (9) center line and guide sleeve (10) center line in a guide sleeve (10), and positioned at the same side are on the same straight line, Mei Gesuo
It states and is also arranged with an adjustable spring between the positioning seat (2) bottom surface and the bottom plate (1) upper surface on guide sleeve (10)
(7), described adjustable spring (7) one end is fixed on the bottom surface of the positioning seat (2), and the other end is fixed on the bottom plate (1)
On upper surface, a positioning through hole is further opened on the centre position of the positioning groove (4) bottom on the positioning seat (2)
(11), a holding screw (12) is equipped in the positioning through hole (11), the bottom of the holding screw (12) is fixed on bottom plate (1)
On, to which the positioning seat (2) to be located in the top of the bottom plate (1).
2. crankshaft-link rod positioning apparatus for circumferential direction according to claim 1, it is characterised in that：The positioning briquetting (3) and institute
It is positioning bolt (13) to state the fixing piece between positioning seat (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820455314.4U CN207982849U (en) | 2018-03-21 | 2018-03-21 | A kind of crankshaft-link rod positioning apparatus for circumferential direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820455314.4U CN207982849U (en) | 2018-03-21 | 2018-03-21 | A kind of crankshaft-link rod positioning apparatus for circumferential direction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207982849U true CN207982849U (en) | 2018-10-19 |
Family
ID=63830592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820455314.4U Expired - Fee Related CN207982849U (en) | 2018-03-21 | 2018-03-21 | A kind of crankshaft-link rod positioning apparatus for circumferential direction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207982849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108544256A (en) * | 2018-03-21 | 2018-09-18 | 浙江太阳股份有限公司 | A kind of crankshaft-link rod positioning apparatus for circumferential direction |
-
2018
- 2018-03-21 CN CN201820455314.4U patent/CN207982849U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108544256A (en) * | 2018-03-21 | 2018-09-18 | 浙江太阳股份有限公司 | A kind of crankshaft-link rod positioning apparatus for circumferential direction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20210321 |