CN215146128U - Parking axle and sector plate welding position anchor clamps - Google Patents
Parking axle and sector plate welding position anchor clamps Download PDFInfo
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- CN215146128U CN215146128U CN202120320322.XU CN202120320322U CN215146128U CN 215146128 U CN215146128 U CN 215146128U CN 202120320322 U CN202120320322 U CN 202120320322U CN 215146128 U CN215146128 U CN 215146128U
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Abstract
The utility model discloses a parking axle and sector plate welding position anchor clamps, include: the positioning clamp comprises a positioning clamp body and an axial limiting pin; a fan-shaped plate limiting groove, a parking shaft limiting cavity and an accommodating cavity are sequentially formed from one end of the positioning clamp body to the other end of the positioning clamp body; the inner contour of the circumference of the notch of the sector plate limiting groove is matched with the outer contour of the circumference of the sector plate to be welded; a clamp axial limiting step is arranged between the parking axle limiting cavity and the accommodating cavity, and a clamp circumferential limiting pin hole is formed in the positioning clamp body; the axial limiting pin is matched with a circumferential limiting pin hole of the clamp and a parking shaft pin hole of a parking shaft to be welded; the position of the sector plate limiting groove relative to the central axis of the circumferential limiting pin hole of the fixture corresponds to the position of the sector plate to be welded relative to the central axis of the parking shaft pin hole. The utility model discloses axial position, circumferencial direction angle and the straightness requirement that hangs down in can satisfying parking axle and sector plate welding process realize high accuracy, stable in quality's welding process.
Description
Technical Field
The utility model belongs to the technical field of derailleur parking class parts machining, concretely relates to parking axle and sector plate welding position anchor clamps.
Background
The transmission parking mechanism is used as a key mechanism of the transmission, the performance of the transmission parking mechanism is related to the safety of the whole transmission, even the whole vehicle, so the performance requirement on the transmission parking mechanism is higher, and the requirements on the aspects of safe parking speed, incapability of automatically disengaging or preventing accidental parking and the like are met.
The parking shaft and the sector plate are used as general parts in a parking mechanism of a transmission, and the processing quality requirements are strict, such as: in the prior art, the sector plate is generally fixed on the parking axle in a welding connection mode, and in the welding process, the requirements on the axial position size, the angle in the circumferential direction and the verticality between the sector plate and the parking axle are high.
In the technical field of existing welding processing of the parking axle and the sector plate, a mature welding mode does not exist, and a special welding tool is not used for realizing high-precision welding processing of the parking axle and the sector plate, so that on one hand, the requirements on the technical level of welding personnel are high, the labor cost is high, and the welding quality is unstable through the processing experience of welding operators; on the other hand, the combined clamp is adopted to realize the precision control in the axial direction and the circumferential direction during welding, but the machining precision during the adoption of the combined clamp is limited by the precision and the combination level of each component of the combined clamp, and meanwhile, the precision consistency during welding is poor due to the poor rigidity of the combined clamp.
Disclosure of Invention
To the defect that exists among the above-mentioned prior art, the utility model provides a parking axle and sector plate welding position anchor clamps can satisfy axial position, circumferencial direction angle and the straightness requirement that hangs down in parking axle and the sector plate welding process, realizes high accuracy, stable in quality's welding process. With the attached drawings, the technical scheme of the utility model is as follows:
the utility model provides a parking axle and sector plate welding position anchor clamps, includes: the positioning clamp comprises a positioning clamp body 1 and an axial limiting pin;
one end of the positioning clamp body 1 is provided with a fan-shaped plate limiting groove 2;
the inner contour of the circumference of the notch of the sector plate limiting groove 2 is matched with the outer contour of the circumference of the sector plate to be welded;
the bottom surface of the fan-shaped plate limiting groove 2 extends to the other end of the positioning clamp body 1 along the central line of the positioning clamp body 1 to form a parking shaft limiting cavity 3;
the bottom of the parking axle limiting cavity 3 is provided with an annular inner edge-shaped clamp axial limiting step 4;
the inner edge of the axial limiting step 4 of the clamp extends to the other end of the positioning clamp body 1 to form an accommodating cavity;
the parking axle shaft-shaped end surface 6 of the parking axle to be welded is placed in the parking axle shaft limiting cavity 3 and then abuts against the clamp axial limiting step 4, and two symmetrical clamp circumferential limiting pin holes 5 are formed in the side wall of the positioning clamp body 1 corresponding to the parking axle shaft limiting cavity 3 along the radial direction;
the clamp circumferential limiting pin hole 5 corresponds to a parking shaft pin hole 7 of a parking shaft to be welded, which abuts against the clamp axial limiting step 4;
the axial limiting pin is installed in a matching manner with the circumferential limiting pin hole 5 of the clamp and the parking shaft pin hole 7 of the parking shaft to be welded;
the position of the sector plate limiting groove 2 relative to the central axis of the fixture circumferential limiting pin hole 5 corresponds to the position of the sector plate to be welded relative to the central axis of the parking shaft pin hole 7.
Further, the positioning jig body 1 is a cylinder.
Further, the depth of the sector plate limiting groove 2 is equal to the thickness of the sector plate to be welded.
Further, the inner edge of the axial limiting step 4 of the fixture extends to the other end of the positioning fixture body 1 to form a through hole.
Further, the inner edge of the axial limiting step 4 of the fixture extends continuously to the other end of the positioning fixture body 1 to form a blind hole.
Furthermore, two circumferential limiting pin holes 5 are formed in the clamp; two clamp circumference limiting pin holes 5 are symmetrically arranged on the side wall of the positioning clamp body 1 corresponding to the parking axle limiting cavity 3 along the radial direction.
Furthermore, the positioning fixture body 1 is an integrally formed structure.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. positioning fixture can accurately realize parking axle and sector plate welding position's relatively fixed fast, and the location is accurate stable, guarantees welded machining precision.
2. Positioning fixture realizes standing car axle and sector plate axial relative position's quick accurate fixed through the relative position who sets up sector plate spacing groove and the spacing intracavity anchor clamps axial of parking axle.
3. Positioning fixture is through seting up spacing pinhole at the spacing chamber lateral wall of parking axle, through the ascending relative position of circumferencial direction of spacer pin locking parking axle to further cooperate with the angle of seting up of sector plate spacing groove, realize that parking axle and sector plate circumferencial direction angle position's quick accuracy is fixed.
4. Positioning fixture adopts the integral type structure, and the bulk rigidity is better, has guaranteed welded uniformity.
Drawings
FIG. 1 is a front view of a parking axle and sector plate assembly according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a front view of a parking axle according to an embodiment of the present invention;
FIG. 4 is a right side view of FIG. 3;
FIG. 5 is a front view of a sector plate according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4;
FIG. 7 is the front view of the welding positioning fixture for the parking axle and the sector plate in the embodiment of the present invention;
FIG. 8 is a cross-sectional view taken at C-C of FIG. 7;
fig. 9 is the utility model discloses in the embodiment of the utility model the parking axle with sector plate welding position anchor clamps practical state schematic diagram.
In the figure:
1-a positioning clamp body, 2-a sector plate limiting groove, 3-a parking shaft limiting cavity,
4-axial limiting steps of the clamp, 5-circumferential limiting pin holes of the clamp, 6-annular end faces of the parking collar,
7-a parking shaft pin hole, 8-a first arc-shaped groove of a sector plate, 9-a sector plate mounting hole,
10-the bottom end face of the parking shaft and 11-the outer end face of the sector plate.
Detailed Description
For clear and complete description of the technical solution and the specific working process of the present invention, the following embodiments are provided in conjunction with the accompanying drawings of the specification:
in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Example (b):
the embodiment discloses parking axle and sector plate welding position anchor clamps, welding position anchor clamps are used for accurate reliable location before welding processing between parking axle and the sector plate.
The structure of the parking axle and the sector plate in the prior art to be welded in this embodiment is briefly described as follows:
as shown in fig. 3 and 4, one end of the parking axle is a circular plane parking axle bottom end surface 10, the other end of the parking axle is a circular plane parking axle annular end surface 6, and a parking axle pin hole 7 is formed at one side of the middle axle end of the parking axle, which is close to the parking axle annular end surface 6;
as shown in fig. 5 and 6, the sector plate is provided with a sector plate mounting hole 9 for matching with the parking shaft, and a sector plate first arc-shaped groove 8 is formed on the outer side of the circumference of the sector plate;
based on the above-described structure, as shown in fig. 1 and 2, the welding position between the parking axle and the sector plate is required as follows:
the sector plate is installed on the parking axle, and the distance between the sector plate outer end face 11 that parking axle bottom end face 10 and sector plate are close to parking axle bottom end face 10 one side should satisfy the technological requirement for L, and in this embodiment, the technological requirement apart from L is:
(unit: mm);
the sector plate is installed on the parking axle, and an included angle alpha between a connecting line between the circle center of the circle where the first arc-shaped groove 8 of the sector plate is located and the circle center of the sector plate installation hole 9 and the general axis of the parking axle pin hole 7 meets the process requirement, and in the embodiment, the process requirement of the included angle alpha is as follows:
for the position requirement who satisfies the welding process between above-mentioned parking axle and the sector plate, the utility model provides a welding position anchor clamps.
As shown in fig. 7 and 8, the welding positioning jig includes: the positioning clamp comprises a positioning clamp body 1 and an axial limiting pin;
the positioning fixture comprises a positioning fixture body 1, a sector plate limiting groove 2 is formed in one end of the positioning fixture body 1 inwards along the axial direction of the positioning fixture body 1, and the shape and the size of the inner contour of the circumference of a notch of the sector plate limiting groove 2 are matched with the shape and the size of the outer contour of the circumference of a sector plate to be welded; a parking axle limiting cavity 3 is formed in the bottom surface of the sector plate limiting groove 2 in an inward extending mode along the central axis of the positioning clamp body 1, an annular inner edge-shaped clamp axial limiting step 4 is arranged at the bottom of the parking axle limiting cavity 3, and the inner edge of the clamp axial limiting step 4 continuously extends along the central axis of the positioning clamp body 1 to the other end of the positioning clamp body 1 to form a through hole or a blind hole; two symmetrical clamp circumferential limiting pin holes 5 are formed in the side wall of the positioning clamp body 1 corresponding to the parking axle limiting cavity 3 along the radial direction.
As shown in fig. 7, 8 and 9, when the parking axle and the sector plate are positioned before being welded by the welding positioning jig of the present embodiment, the axial position between the parking axle and the sector plate is positioned as follows:
the parking shaft to be welded is installed in a parking shaft limiting cavity 3 of the positioning clamp body 1, so that the parking shaft annular end surface 6 of the parking shaft abuts against a clamp axial limiting step 4 at the end part of the parking shaft limiting cavity 3, and the parking shaft is axially positioned;
the sector plate to be welded is sleeved on the parking axle through the sector plate mounting hole 9 and is mounted in the sector plate limiting groove 2 in a matching mode, the depth of the sector plate limiting groove 2 is equal to the thickness of the sector plate, namely the outer end face 11 of the sector plate mounted in the sector plate limiting groove 2 is just flush with the outer end face of the positioning clamp body 1; as shown in fig. 9, when the positioning fixture is used to weld the parking axle and the sector plate, only the axial distance L between the outer end surface of the positioning fixture body 1 and the fixture axial limiting step 4 on the inner side needs to be ensured1Satisfies the following conditions:
L1＝L0-L
wherein:
L0the axial distance between the bottom end face of the parking shaft to be welded and the annular end face of the parking shaft;
l is the process requirement distance of the axial position of the sector plate welded on the parking axle, namely the distance between the bottom end face of the parking axle and the outer end face of the sector plate;
therefore, the welding positioning fixture can quickly and accurately position the axial position between the parking axle and the sector plate and ensure that the sector plate and the parking axle are vertical.
As shown in fig. 7, 8, and 9, when the parking axle and the sector plate are positioned before being welded by the welding positioning jig according to the present embodiment, the circumferential position angle between the parking axle and the sector plate is positioned as follows:
the parking shaft pin hole 7 on the parking shaft after axial positioning just corresponds to the clamp circumferential limiting pin hole 5 on the positioning clamp body 1, and an axial limiting pin is inserted into the clamp circumferential limiting pin hole 5 and the parking shaft pin hole 7 to realize the positioning of the parking shaft in the circumferential direction;
the sector plate to be welded is sleeved on the parking axle through the sector plate mounting hole 9 and is mounted in the sector plate limiting groove 2 in a matching manner, and the inner contour shape and the size of the notch circumference of the sector plate limiting groove 2 are matched with the outer contour shape and the size of the circumference of the sector plate to be welded, so that when the sector plate is embedded in the sector plate limiting groove 2, the relative position angle between the sector plate and the parking axle in the circumferential direction is determined, and therefore, only the central axis of the fixture circumferential limiting pin hole 5 on the positioning fixture body 1 and the center of the circle where the arc-shaped protrusion correspondingly matched with the first arc-shaped groove 8 of the sector plate in the sector plate limiting groove 2 are required to be ensured, and the included angle alpha between straight lines perpendicular to the central axis of the parking axle limiting cavity 3 is ensured1The included angle alpha meeting the technological requirements of the position angle between the parking axle and the sector plate in the circumferential direction can be as follows:
α1＝α
therefore, when the parking shaft is installed to the parking shaft limiting cavity 3 in a matched mode and is positioned through the limiting pin, and the sector plate is installed to the sector plate limiting groove 2 in a matched mode, the position positioning between the parking shaft and the sector plate in the circumferential direction can be achieved rapidly.
To sum up, welding position anchor clamps can realize the accurate reliable location before the welding process between the shop's axle and the sector plate, just welding position anchor clamps adopt the integral type structure, can satisfy the rigidity requirement in the welding process, further promote welding quality.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
1. The utility model provides a parking axle and sector plate welding position anchor clamps which characterized in that:
the method comprises the following steps: the positioning clamp comprises a positioning clamp body (1) and an axial limiting pin;
one end of the positioning clamp body (1) is provided with a fan-shaped plate limiting groove (2);
the inner contour of the circumference of the notch of the sector plate limiting groove (2) is matched with the outer contour of the circumference of the sector plate to be welded;
the bottom surface of the sector plate limiting groove (2) extends to the other end of the positioning clamp body (1) along the central line of the positioning clamp body (1) to form a parking axle limiting cavity (3);
the bottom of the parking axle limiting cavity (3) is provided with an annular inner edge-shaped clamp axial limiting step (4);
the axial limiting step (4) of the clamp extends to the other end of the positioning clamp body (1) along the inner edge to form an accommodating cavity;
a parking shaft annular end face (6) of a parking shaft to be welded is placed in a parking shaft limiting cavity (3) and then abuts against the clamp axial limiting step (4), and a clamp circumferential limiting pin hole (5) is formed in the side wall of the positioning clamp body (1) corresponding to the parking shaft limiting cavity (3);
the clamp circumferential limiting pin hole (5) corresponds to a parking shaft pin hole (7) of a parking shaft to be welded, which abuts against the clamp axial limiting step (4);
the axial limiting pin is matched with a circumferential limiting pin hole (5) of the clamp and a parking shaft pin hole (7) of a parking shaft to be welded;
the position of the sector plate limiting groove (2) relative to the central axis of the fixture circumferential limiting pin hole (5) corresponds to the position of the sector plate to be welded relative to the central axis of the parking shaft pin hole (7).
2. The parking axle and sector plate welding positioning fixture as claimed in claim 1, wherein:
the positioning clamp body (1) is a cylinder.
3. The parking axle and sector plate welding positioning fixture as claimed in claim 1, wherein:
the depth of the fan-shaped plate limiting groove (2) is equal to the thickness of the fan-shaped plate to be welded.
4. The parking axle and sector plate welding positioning fixture as claimed in claim 1, wherein:
the inner edge of the axial limiting step (4) of the clamp extends to the other end of the positioning clamp body (1) to form a through hole.
5. The parking axle and sector plate welding positioning fixture as claimed in claim 1, wherein:
the inner edge of the axial limiting step (4) of the clamp extends to the other end of the positioning clamp body (1) continuously to form a blind hole.
6. The parking axle and sector plate welding positioning fixture as claimed in claim 1, wherein:
two circumferential limiting pin holes (5) of the clamp are formed;
the two clamp circumferential limiting pin holes (5) are symmetrically arranged on the side wall of the positioning clamp body (1) corresponding to the parking axle limiting cavity (3) along the radial direction.
7. The parking shaft and sector plate welding positioning fixture as claimed in any one of claims 1-6, wherein:
the positioning clamp body (1) is of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120320322.XU CN215146128U (en) | 2021-02-04 | 2021-02-04 | Parking axle and sector plate welding position anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120320322.XU CN215146128U (en) | 2021-02-04 | 2021-02-04 | Parking axle and sector plate welding position anchor clamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215146128U true CN215146128U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120320322.XU Active CN215146128U (en) | 2021-02-04 | 2021-02-04 | Parking axle and sector plate welding position anchor clamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215146128U (en) |
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2021
- 2021-02-04 CN CN202120320322.XU patent/CN215146128U/en active Active
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