CN203148764U - Novel die for bolt wedge load test - Google Patents
Novel die for bolt wedge load test Download PDFInfo
- Publication number
- CN203148764U CN203148764U CN 201220694308 CN201220694308U CN203148764U CN 203148764 U CN203148764 U CN 203148764U CN 201220694308 CN201220694308 CN 201220694308 CN 201220694308 U CN201220694308 U CN 201220694308U CN 203148764 U CN203148764 U CN 203148764U
- Authority
- CN
- China
- Prior art keywords
- pressure block
- bolt
- pull bar
- nut
- load test
- 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.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 230000007704 transition Effects 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000010606 normalization Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 238000007669 thermal treatment Methods 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a novel die for bolt wedge load tests, which comprises a plate-like lower pressure block and an upper pressure block; the upper pressure block is parallelly disposed above the lower pressure block; a pull bar is vertically connected between the upper pressure block and the lower pressure block; the upper end of the pull bar passes through the upper pressure block and is connected with a nut; the lower end of the pull bar passes through the lower pressure block and is connected with a nut; the pull bar is sleeved with a spring between the upper pressure block and the lower pressure block; a bolt test hole for a test bolt to pass through is disposed at the center of the lower pressure block; a wedge pad is disposed on the upper surface of the lower pressure block; a central hole communicating up and down is disposed on the wedge pad; the upper pressure block, the lower pressure block, the wedge pad, the pull bar, and the nut are all made of die steel. The die of the utility model has a reasonable structure, has a main structure of die steel which improves die strength by normalization and heat treatment.
Description
Technical field
The utility model relates to bolt wedge load test mould.
Background technology
Bolt wedge load, nut are protected and are carried the test mould insufficient strength in the prior art, can only be engaged in bolt, the nut test of 6.8 grades of following grades.
The utility model content
Technical problem to be solved in the utility model just provides a kind of bolt wedge load test mould, and it is excessive by force to improve mould.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: bolt wedge load test novel die, it is characterized in that: comprise flat pressure block and last pressure block down, last pressure block is set in parallel in down the pressure block top, wherein go up the vertical pull bar that is connected with between pressure block and the following pressure block, described pull bar upper end is passed pressure block and is connected a nut, described pull bar lower end is passed down pressure block and is connected a nut, described pull bar is socketed with spring between last pressure block and following pressure block, described pressure block center down is provided with one for testing the bolt experimental port that bolt passes, the plane is provided with wheel chock on the described pressure block down, wheel chock is provided with the center pit of up/down perforation, the described pressure block of going up, following pressure block, wheel chock, pull bar and nut are mould steel and make.
Preferably, the described pressure block center of going up is provided with a tie rod holes, and a connecting rod passes this tie rod holes, and connecting rod is provided with circlip for shaft above last pressure block, and the connecting rod lower end is provided with a circle flange, and this flange is positioned at the described pressure block below of going up.
Preferably, described bolt experimental port is a little shoulder hole of the big bottom of top bore bore, and described bolt experimental port is provided with a transition plain cushion in top heavy caliber portion.
Preferably, described transition plain cushion lower end outer rim is provided with annular boss, and described annular boss is supported on the bolt experimental port top heavy caliber portion bottom surface.
The utility model is rational in infrastructure, and agent structure is mould steel, and this mould steel has improved the intensity of mould by normalizing, thermal treatment.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described:
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, embodiment for the utility model bolt wedge load test mould, it comprises flat pressure block 1 and last pressure block 3 down, last pressure block is set in parallel in down the pressure block top, wherein go up the vertical pull bar 2 that is connected with between pressure block and the following pressure block, described pull bar 2 upper ends are passed pressure block and are connected a nut 20, described pull bar 2 lower ends are passed down pressure block and are connected a nut 20, described pull bar 2 is socketed with spring 21 between last pressure block and following pressure block, described pressure block center down is provided with one for testing the bolt experimental port 10 that bolt 5 passes, the plane is provided with wheel chock 41 on the described pressure block down, wheel chock is provided with the center pit of up/down perforation, the described pressure block of going up, following pressure block, wheel chock, pull bar and nut are mould steel and make.
The described pressure block center of going up is provided with a tie rod holes, and a connecting rod 30 passes this tie rod holes, and connecting rod is provided with circlip for shaft 32 above last pressure block, and the connecting rod lower end is provided with a circle flange 31, and this flange is positioned at the described pressure block below of going up.Described bolt experimental port 10 is a little shoulder hole of the big bottom of top bore bore, and described bolt experimental port is provided with a transition plain cushion 4 in top heavy caliber portion.Described transition plain cushion lower end outer rim is provided with annular boss 40, and described annular boss is supported on the bolt experimental port top heavy caliber portion bottom surface.
The utility model is opened on the plane on following pressure block
Circular hole (being that the bolt experimental port is in top heavy caliber portion) can arbitrarily be changed the transition plain cushion according to the diameter of bolt, improves test efficiency greatly.Open at following pressure block lower plane simultaneously
Circular hole (be bolt experimental port in the bottom small-bore portion) can be tested shorter bolt.
Described upward pressure block, following pressure block, transition plain cushion, wheel chock, pull bar and nut are Cr12MoV mould steel and make.Mould steel improves the intensity of mould by normalizing, thermal treatment.And being 40Cr, makes by connecting rod.The mould blackout is handled, and appearance looks elegant again can be effectively antirust.
During bolt wedge load test, bolt penetrates from the hole of wheel chock, transition plain cushion, following pressure block, and the bolt bottom is threaded into by clamp body 6, carries out tensile test by puller system.
Thereby advantage of the present utility model is:
1, bolt wedge load, the nut that can be engaged in 8.8 grades and following grade protected and carried test.
2, the replacing sample is more convenient, has improved work efficiency greatly, alleviates the more labour intensity of mold exchange of testing crew.
3, mould strength strengthens greatly, and stressed spoilage reduces.
4, can prevent effectively that mould from reducing intensity or scrap because getting rusty.
Claims (4)
1. bolt wedge load test novel die, it is characterized in that: comprise flat pressure block (1) and last pressure block (3) down, last pressure block is set in parallel in down the pressure block top, wherein go up the vertical pull bar (2) that is connected with between pressure block and the following pressure block, described pull bar (2) upper end is passed pressure block and is connected a nut (20), described pull bar (2) lower end is passed down pressure block and is connected a nut (20), described pull bar (2) is socketed with spring (21) between last pressure block and following pressure block, described pressure block center down is provided with one for testing the bolt experimental port (10) that bolt (5) passes, the plane is provided with wheel chock (41) on the described pressure block down, wheel chock is provided with the center pit of up/down perforation, the described pressure block of going up, following pressure block, wheel chock, pull bar and nut are mould steel and make.
2. bolt wedge load test novel die according to claim 1, it is characterized in that: the described pressure block center of going up is provided with a tie rod holes, a connecting rod (30) passes this tie rod holes, connecting rod is provided with circlip for shaft (32) above last pressure block, the connecting rod lower end is provided with a circle flange (31), and this flange is positioned at the described pressure block below of going up.
3. bolt wedge load test novel die according to claim 2, it is characterized in that: described bolt experimental port (10) is a little shoulder hole of the big bottom of top bore bore, and described bolt experimental port is provided with a transition plain cushion (4) in top heavy caliber portion.
4. bolt wedge load test novel die according to claim 3, it is characterized in that: described transition plain cushion lower end outer rim is provided with annular boss, and described annular boss is supported on the bolt experimental port top heavy caliber portion bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220694308 CN203148764U (en) | 2012-12-14 | 2012-12-14 | Novel die for bolt wedge load test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220694308 CN203148764U (en) | 2012-12-14 | 2012-12-14 | Novel die for bolt wedge load test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203148764U true CN203148764U (en) | 2013-08-21 |
Family
ID=48976280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220694308 Expired - Fee Related CN203148764U (en) | 2012-12-14 | 2012-12-14 | Novel die for bolt wedge load test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203148764U (en) |
-
2012
- 2012-12-14 CN CN 201220694308 patent/CN203148764U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20201214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |