CN208937411U - A kind of force-limit rod clamping positioning mechanism for extension test - Google Patents
A kind of force-limit rod clamping positioning mechanism for extension test Download PDFInfo
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- CN208937411U CN208937411U CN201821527863.4U CN201821527863U CN208937411U CN 208937411 U CN208937411 U CN 208937411U CN 201821527863 U CN201821527863 U CN 201821527863U CN 208937411 U CN208937411 U CN 208937411U
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- force
- rod
- limit rod
- clamping
- limit
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Abstract
The utility model relates to clamp art, specifically a kind of force-limit rod clamping positioning mechanism for extension test.A kind of force-limit rod clamping positioning mechanism for extension test, it is characterized by: the outer rim for being located at the top body of rod of force-limit rod is arranged with clamping positioning fixture, clamping positioning fixture includes left gripping sleeve and right gripping sleeve, is arranged with closing sleeve positioned at positioning fixture top outer rim is clamped；Lower section positioned at the lower part body of rod of force-limit rod is equipped with force-limit rod lower part clamping seats, force-limit rod lower part clamping seats top is respectively arranged on the left side and the right side left clamping threaded rod and right clamping threaded rod, and left clamping threaded rod and right clamping threaded rod are respectively in the left and right sides position of the lower part body of rod of force-limit rod.Compared with the existing technology, by split type clamping positioning fixture, toothed disc can be skipped, and directly clamps force-limit rod bar portion position, the pulling force situation of force-limit rod can be directly tested using existing tensile test device, realizes the purpose of force-limit rod extension test.
Description
Technical field
The utility model relates to clamp art, specifically a kind of force-limit rod for extension test clamps positioning
Mechanism.
Background technique
The lower part of force-limit rod is to be pressed by riveter to the lower end position on force-limit rod top, and survey to the pulling force of force-limit rod
Examination, which then refers to, needs great power the top of force-limit rod and lower part could be pulled open, and the performance of force-limit rod is assessed with this, due to limiter
The structure of bar is special, its underpart can be very good to be clamped and fixed, but the top of force-limit rod is equipped with toothed disc, and toothed disc
Diameter is greater than the diameter of force-limit rod bar portion again, and therefore, the prior art is difficult to cross toothed disc and then clamp to bar portion, and force-limit rod
Performance be directly related to the performance of car belt again, play vital status.
Summary of the invention
The utility model in order to overcome the deficiencies of the prior art, provides a kind of force-limit rod clamping localization machine for extension test
Structure can skip toothed disc by split type clamping positioning fixture, and directly clamp force-limit rod bar portion position, can utilize
Existing tensile test device directly tests the pulling force situation of force-limit rod, realizes the purpose of force-limit rod extension test.
To achieve the above object, a kind of force-limit rod clamping positioning mechanism for extension test, including force-limit rod sheet are designed
Body, the force-limit rod are made of the top body of rod and the lower part body of rod, the lower end of the upper end insertion top body of rod of the lower part body of rod, special
Sign is: being arranged with clamping positioning fixture positioned at the outer rim of the top body of rod of force-limit rod, the positioning fixture that clamps is T-type
Columnar structured, clamping positioning fixture includes left gripping sleeve and right gripping sleeve, and the left gripping sleeve and right gripping sleeve are by bumps
Tooth is connected with each other；Closing sleeve is arranged with positioned at positioning fixture top outer rim is clamped；Positioned at the lower section of the lower part body of rod of force-limit rod
Equipped with force-limit rod lower part clamping seats, force-limit rod lower part clamping seats top is respectively arranged on the left side and the right side left clamping threaded rod and right clamping
Threaded rod, left clamping threaded rod and right clamping threaded rod are respectively in the left and right sides position of the lower part body of rod of force-limit rod.
The transversal cross-section of the left gripping sleeve is semicircular structure, and the center upright of left gripping sleeve is to equipped with semicircle
Arc groove, positioned at the left and right sides of semicircular arc groove vertically to being respectively equipped with square groove.
The transversal cross-section of the right gripping sleeve is semicircular structure, and the center upright of right gripping sleeve is another to being equipped with
Semicircular arc groove, positioned at the left and right sides of the other half circular groove vertically to being respectively equipped with square protruding.
The square groove engages connection with square protruding.
The closing sleeve is cylindrical jacket barrel structure.
The force-limit rod lower part clamping seats are in " I " fonts frustum cone structure, and the top positioned at force-limit rod lower part clamping seats is set
There is cylinder groove, is respectively arranged on the left side and the right side left clamping threaded rod and right clamping threaded rod positioned at cylinder groove.
The utility model compared with the existing technology, provides a kind of force-limit rod clamping positioning mechanism for extension test, leads to
Split type clamping positioning fixture is crossed, toothed disc can be skipped, and directly clamps force-limit rod bar portion position, can be utilized existing
Tensile test device directly tests the pulling force situation of force-limit rod, realizes the purpose of force-limit rod extension test.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is sectional view along A-A in Fig. 1.
Fig. 3 is B-B direction cross-sectional view in Fig. 1.
Fig. 4 is force-limit rod partial sectional view.
Referring to Fig. 1 to Fig. 4,1 is force-limit rod, and 1-1 is the top body of rod, and 1-2 is the lower part body of rod, and 2 be clamping positioning fixture, 2-
1 is left gripping sleeve, and 2-2 is right gripping sleeve, and 2-3 is square groove, and 2-4 is square protruding, and 2-5 is semicircular arc groove, and 2-6 is
The other half circular groove, 3 be closing sleeve, and 4 be force-limit rod lower part clamping seats, and 5 be left clamping threaded rod, and 6 be right clamping spiral shell
Rasp bar, 7 be cylinder groove.
Specific embodiment
The utility model is described further below according to attached drawing.
As shown in Figures 1 to 4, the outer rim positioned at the top body of rod 1-1 of force-limit rod 1, which is arranged with, clamps positioning fixture 2, described
Clamp positioning fixture 2 be T-type it is columnar structured, clamp positioning fixture 2 include left gripping sleeve and right gripping sleeve, the left side
Gripping sleeve 2-1 and right gripping sleeve 2-2 are connected with each other by shaggy tooth；Gripping sleeve is arranged with positioned at 2 top outer rim of positioning fixture is clamped
Cylinder 3；Lower section positioned at the lower part body of rod 1-2 of force-limit rod 1 is equipped with force-limit rod lower part clamping seats 4,4 top of force-limit rod lower part clamping seats
It is respectively arranged on the left side and the right side left clamping threaded rod 5 and right clamping threaded rod 6, left clamping threaded rod 5 and right clamping threaded rod 6 difference
In the left and right sides position of the lower part body of rod 1-2 of force-limit rod 1.
The transversal cross-section of left gripping sleeve 2-1 is semicircular structure, and the center upright of left gripping sleeve 2-1 is to equipped with semicircle
Arc groove 2-5, positioned at the left and right sides of semicircular arc groove 2-5 vertically to being respectively equipped with square groove 2-3.
The transversal cross-section of right gripping sleeve 2-2 is semicircular structure, and the center upright of right gripping sleeve 2-2 is another to being equipped with
Semicircular arc groove 2-6, positioned at the left and right sides of the other half circular groove 2-6 vertically to being respectively equipped with square protruding 2-4.
Square groove 2-3 engages connection with square protruding 2-4.
Closing sleeve 3 is cylindrical jacket barrel structure.
Force-limit rod lower part clamping seats 4 are in " I " fonts frustum cone structure, are equipped with circle positioned at the top of force-limit rod lower part clamping seats 4
Cylindrical cavity 7 is respectively arranged on the left side and the right side left clamping threaded rod 5 and right clamping threaded rod 6 positioned at cylinder groove 7.
As indicated at 4, force-limit rod 1 is made of figure top body of rod 1-1 and lower part body of rod 1-2, and the upper end of lower part body of rod 1-2 passes through
Riveter is pressed into the lower end of top body of rod 1-1, great therefore, it is necessary to test top body of rod 1-1 and lower part body of rod 1-2 needs
Pulling force can just pull open, and the performance of force-limit rod 1 is judged with this.
When test, the lower part body of rod 1-2 of force-limit rod 1 is inserted directly into the cylinder groove 7 of force-limit rod lower part clamping seats 4,
And by left clamping threaded rod 5 and the right lower part body of rod 1-2 clamping for clamping threaded rod 6 to force-limit rod 1.The top body of rod of force-limit rod 1
1-1 is solid by closing sleeve 3 again after being clamped by the left gripping sleeve 2-1 and right gripping sleeve 2-2 of split type clamping positioning fixture 2
It is fixed, it prevents left gripping sleeve 2-1 and right gripping sleeve 2-2 from dispersing, is connect in this way, clamping positioning fixture 2 with one end of tensile testing machine,
Force-limit rod lower part clamping seats 4 are connect with the other end of tensile testing machine, carry out tensile test, and pulling force data directly displays, convenient
Operative employee reads, and judges the performance of tested force-limit rod 1.
Claims (6)
1. a kind of force-limit rod clamping positioning mechanism for extension test, including limiter bar body, the force-limit rod (1) is by upper
Portion's body of rod and lower part body of rod composition, the lower end of the upper end insertion top body of rod (1-1) of the lower part body of rod (1-2), it is characterised in that: position
It is arranged in the outer rim of the top body of rod (1-1) of force-limit rod (1) and clamps positioning fixture (2), the clamping positioning fixture (2) is
T-type it is columnar structured, clamping positioning fixture (2) includes left gripping sleeve and right gripping sleeve, the left gripping sleeve (2-1) and the right side
Gripping sleeve (2-2) is connected with each other by shaggy tooth；Closing sleeve (3) are arranged with positioned at positioning fixture (2) top outer rim is clamped；It is located at
The lower section of the lower part body of rod (1-2) of force-limit rod (1) is equipped with force-limit rod lower part clamping seats (4), force-limit rod lower part clamping seats (4) top
It is respectively arranged on the left side and the right side left clamping threaded rod (5) and right clamping threaded rod (6), left clamping threaded rod (5) and right clamping screw thread
Bar (6) is respectively in the left and right sides position of the lower part body of rod (1-2) of force-limit rod (1).
2. a kind of force-limit rod clamping positioning mechanism for extension test according to claim 1, it is characterised in that: described
Left gripping sleeve (2-1) transversal cross-section be semicircular structure, and the center upright of left gripping sleeve (2-1) to be equipped with semi arch
Connected in star (2-5), positioned at the left and right sides of semicircular arc groove (2-5) vertically to being respectively equipped with square groove (2-3).
3. a kind of force-limit rod clamping positioning mechanism for extension test according to claim 1, it is characterised in that: described
Right gripping sleeve (2-2) transversal cross-section be semicircular structure, and the center upright of right gripping sleeve (2-2) to be equipped with the other half
Circular groove (2-6) is located at the left and right sides of the other half circular groove (2-6) vertically to being respectively equipped with square protruding (2-
4).
4. a kind of force-limit rod clamping positioning mechanism for extension test according to claim 2, it is characterised in that: described
Square groove (2-3) engage connection with square protruding (2-4).
5. a kind of force-limit rod clamping positioning mechanism for extension test according to claim 1, it is characterised in that: described
Closing sleeve (3) be cylindrical jacket barrel structure.
6. a kind of force-limit rod clamping positioning mechanism for extension test according to claim 1, it is characterised in that: described
Force-limit rod lower part clamping seats (4) be in " I " fonts frustum cone structure, be located at force-limit rod lower part clamping seats (4) top be equipped with cylinder
Connected in star (7), be located at cylinder groove (7) is respectively arranged on the left side and the right side left clamping threaded rod (5) and right clamping threaded rod
(6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821527863.4U CN208937411U (en) | 2018-09-18 | 2018-09-18 | A kind of force-limit rod clamping positioning mechanism for extension test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821527863.4U CN208937411U (en) | 2018-09-18 | 2018-09-18 | A kind of force-limit rod clamping positioning mechanism for extension test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208937411U true CN208937411U (en) | 2019-06-04 |
Family
ID=66721457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821527863.4U Active CN208937411U (en) | 2018-09-18 | 2018-09-18 | A kind of force-limit rod clamping positioning mechanism for extension test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208937411U (en) |
-
2018
- 2018-09-18 CN CN201821527863.4U patent/CN208937411U/en active Active
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