CN208223964U - A kind of clamping device suitable for bolted spherical node tension test - Google Patents
A kind of clamping device suitable for bolted spherical node tension test Download PDFInfo
- Publication number
- CN208223964U CN208223964U CN201820829653.4U CN201820829653U CN208223964U CN 208223964 U CN208223964 U CN 208223964U CN 201820829653 U CN201820829653 U CN 201820829653U CN 208223964 U CN208223964 U CN 208223964U
- Authority
- CN
- China
- Prior art keywords
- bolt
- tension test
- screw thread
- sleeve
- fastening handle
- 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
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of clamping devices suitable for bolted spherical node tension test, including bolt head sleeve, bolt, screw shell, fastening handle, conehead, adapter sleeve, the bolt head sleeve, bolt, screw shell, fastening handle fit together, and can be realized the tension test to bolt；The bolt head sleeve, bolt, fastening handle, bolt sphere fit together, and can be realized the tension test to bolt sphere；The bolt, screw shell, fastening handle, conehead, steel pipe, adapter sleeve fit together, and can be realized the tension test to steel pipe.The utility model has many advantages, such as that less investment, the processing is simple, easy to assembly, detection is accurate.The tensile load of the bolted spherical nodes such as the connector especially suitable for the connector of high-strength bolt used for steel net frame bolt ball node, high-strength bolt and bolt sphere, high-strength bolt and rod piece is tested.
Description
Technical field
The utility model belongs to mechanical property of materials detection technique field, and in particular to one kind is suitable for bolted spherical node and draws
Stretch the clamping device of test.
Background technique
Bolted spherical node is made of the components such as bolt sphere, high-strength bolt, screw, sleeve, conehead or sealing plate, rod piece
Automatic manual transmission formula node, have stress performance is good, industrialized standard degree is high, it is easy for installation quickly, avoid site welding
A kind of outstanding advantages, it has also become the widely applied connection type of space net rack steel construction.High-strength bolt, high-strength bolt and bolt sphere
Connector, high-strength bolt and rod piece connector, tensile load test should all be carried out.Since Elements of Space Grid Truss bolted spherical node is high
Strength bolts have the characteristics that intensity is high, specification is more, length is short, therefore there are test specimen folders for the tensile load test of bolted spherical node
The technical problem held leads to test specimen improper destruction during the test, cannot obtain effective test data.For this purpose, research
Developing a kind of clamping device suitable for bolted spherical node tension test is the key that solve the problems, such as this.
Summary of the invention
The purpose of this utility model is to provide a kind of clamping devices suitable for bolted spherical node tension test.
The purpose of this utility model be achieved in that including bolt head sleeve, bolt, screw shell, fastening handle,
Conehead, adapter sleeve, the bolt head sleeve, bolt, screw shell, fastening handle are fitted together, be can be realized to spiral shell
The tension test of bolt；The bolt head sleeve, bolt, fastening handle, bolt sphere fit together, and can be realized to bolt
The tension test of ball；The bolt, screw shell, fastening handle, conehead, steel pipe, adapter sleeve fit together, and can be realized
Tension test to steel pipe.
The utility model does not change the main structure of testing machine, it is only necessary to processing and fabricating bolt head sleeve and screw shell,
The simple part such as adapter sleeve, fastening handle completes bolt ball-joint by two pieces bolt head sleeve or screw shell and fastener
The assembling of point tensile test specimen, can carry out bolted spherical node drawing using testing machine jaw grip bolt head skirt or screw shell
Stretch test.Have many advantages, such as that less investment, the processing is simple, easy to assembly, detection is accurate.Especially suitable for Elements of Space Grid Truss bolted spherical node
The bolted spherical nodes such as the connector with the connector of high-strength bolt, high-strength bolt and bolt sphere, high-strength bolt and rod piece resist
Draw load test.
Detailed description of the invention
Fig. 1 is the bolt tension test specimen assembling schematic diagram of the utility model；
Fig. 2 is the bolt sphere tensile test specimen assembling schematic diagram of the utility model；
Fig. 3 is the bolted spherical node rod piece tensile test specimen assembling schematic diagram of the utility model；
Fig. 4 is the fastening handle of the utility model and the assembling schematic diagram of adapter sleeve.
In figure: 1- bolt head sleeve, 2- bolt, 3- screw shell, 4- fastening handle, 5- bolt sphere, 6- conehead, 7- steel
Pipe, 8- adapter sleeve.
Specific embodiment
The utility model is further described below with reference to embodiment, but the utility model is not added in any way
With limitation, made any changes and modifications are instructed based on the utility model, belong to the protection scope of the utility model.
As shown in figures 1-4, the utility model includes bolt head sleeve 1, bolt 2, screw shell 3, fastening handle 4, cone
First 6, adapter sleeve 8, the bolt head sleeve 1, bolt 2, screw shell 3, fastening handle 4 fit together, and can be realized
Tension test to bolt 2；The bolt head sleeve 1, bolt 2, fastening handle 4, bolt sphere 5 fit together, can
Realize the tension test to bolt sphere 5；The bolt 2, screw shell 3, fastening handle 4, conehead 6, steel pipe 7,8 groups of adapter sleeve
It is fitted together, can be realized the tension test to steel pipe 7
The bolt head sleeve 1 is hollow circuit cylinder, and inner hole is stepped hole, and the internal diameter of larger inner hole is than bolt 2
The internal diameter of the big 2mm of head diameter, smaller inner hole are 2mm bigger than the screw thread nominal diameter of bolt 2.
The length and testing machine jaw length of the bolt head sleeve 1 are adapted, and the height of smaller inner hole is spiral shell
1.1 times of 2 height of head of bolt；The fastening screw hole of M10, screw thread and fastening hand are set on the large diameter hole wall near stepped hole
The external screw thread of handle 4 screws, and the screw thread of fastening handle 4 is pierced by from screw hole and the head of hold-down bolt 2.
The screw shell 3 is hollow circuit cylinder, and the external screw thread of internal screw thread and bolt 2 cooperates, and internal screw thread length is not small
In 1.2 times of the screw thread nominal diameter of bolt 2, accuracy of thread grade is 6H.
The length and testing machine jaw length of the screw shell 3 are adapted.
The material of the bolt head sleeve 1 is 40Cr alloy tool steel, and is quenched and tempering, hardness are
Rockwell hardness HRC 45~50.
The material of the screw shell 3 is 40Cr alloy tool steel, and is quenched and tempering, and hardness is Rockwell
Hardness HRC 45~50.
The adapter sleeve 8 is annulus, and internal diameter is 2mm bigger than the screw thread nominal diameter of bolt 2, wall thickness 10mm；Hole wall
The fastening screw hole of M10 is arranged in middle part, and the external screw thread for fastening the screw thread and fastening handle 4 of screw hole screws, the screw thread of fastening handle 4 from
Fastening screw hole is pierced by and hold-down bolt 2.
The utility model method includes the tension test of bolt 2, the tension test of bolt sphere 5, the tension test of steel pipe 7,
Specifically include following procedures step:
The tension test of the bolt 2 is the inner hole that bolt 2 is passed through to bolt head sleeve 1, utilizes fastening handle 4
Bolt 2 is fastened on bolt head sleeve 1, bolt head sleeve 1 or fastening handle 4 is rotated, makes bolt 2 and screw shell 3
Threaded engagement, bolt 2 screw in screw shell 3 depth be not less than 1.1 times of bolt diameters, complete 2 tensile test specimen of bolt
Assembling.The test specimen being completed carries out tensile load test using cupping machine, between two jaws of Adjustment Tests machine away from
From, test specimen is put into cupping machine jaw, clamp gripper sleeve, to test specimen apply load until test specimen destroy, measure and apply
Tensile load test can be completed in the maximum load added.
The tension test of the bolt sphere 5 is the inner hole that bolt 2 is passed through to bolt head sleeve 1, utilizes fastening handle
4 are fastened on bolt 2 on bolt head sleeve 1, rotate bolt head sleeve 1 or fastening handle 4, make bolt 2 and bolt sphere 5
Screw hole threaded engagement, bolt 2 are screwed into depth not less than 1.1 times of bolt diameters, complete the company of one side bolt sphere 5 and bolt 2
Connect assembling.Assembling for another side bolt sphere 5 and bolt 2 is completed by same procedure, to complete 5 tensile test specimen of bolt sphere
Assembling.The test specimen being completed carries out tensile load test using cupping machine, the distance between two jaws of Adjustment Tests machine,
Test specimen is put into cupping machine jaw, gripper sleeve is clamped, load is applied to test specimen until test specimen destruction, measures application
Tensile load test can be completed in maximum load.
The tension test of the steel pipe 7 is to be pierced by bolt 2 from the hole of rod piece conehead 6, adapter sleeve 8 is set on
On bolt 2, keeps bolt 2 not rotate with the fastening handle 4 on adapter sleeve 8, screw shell 3 and bolt 2 are screwed, bolt 2 revolves
Enter the depth of screw shell 3 not less than 1.1 times of bolt diameters, one face steel pipe 7 of completion is assembled with bolt 2.By phase
Assembling for another side steel pipe 7 and bolt 2 is completed with method, to complete the assembling of 7 tensile test specimen of steel pipe.It is completed
Test specimen carries out tensile load test using cupping machine, and test specimen is put into stretching by the distance between two jaws of Adjustment Tests machine
In testing machine jaw, gripper sleeve is clamped, load is applied to test specimen until test specimen destruction, measures the maximum load of application
Complete tensile load test.
Embodiment
This is M20 for the high-strength bolt specification of test, and mechanical performance grade is 10.9 grades, length 73mm.Bolt
Bulb diameter is 130mm, and rod piece diameter of steel tube is 89mm.Bolt and bolted spherical node ultimate tension capacity be 255 kN~
304kN。
Specific implementation step is as follows:
Step 1: as shown in Figure 1, when 2 tension test of bolt, bolt 2 being passed through to the inner hole of bolt head sleeve 1, using tight
Gu bolt 2 is fastened on bolt head sleeve 1 by handle 4, bolt head sleeve 1 or fastening handle 4 are rotated, bolt 2 and spiral shell are made
The threaded engagement of line sleeve 3, the depth that bolt 2 screws in screw shell 3 are not less than the nominal diameter of 1.1 times of bolts 2, complete bolt
Fastening handle 4 is removed in the assembling of tensile test specimen.
Step 2: selecting 600 kN cupping machines, the distance between two jaws of Adjustment Tests machine, by bolt tension test specimen
Be put into cupping machine jaw, fishbolt head skirt 1 and screw shell 3, to bolt tension test specimen apply load until
Test specimen destroys, and the maximum load for measuring application is 297 kN, and bolt 2 does not screw place's screw thread fracture, 2 tensile load of bolt in screw thread
Meet code requirement, the test of 2 tensile load of bolt can be completed.
Step 3: as shown in Fig. 2, bolt 2 to be passed through to the inner hole of bolt head sleeve 1 when 5 tension test of bolt sphere, utilizing
Bolt 2 is fastened on bolt head sleeve 1 by fastening handle 4, rotates bolt head sleeve 1 or fastening handle 4, make bolt 2 with
The threaded engagement of bolt sphere 5, the depth that bolt 2 screws in bolt sphere 5 are not less than the nominal diameter of 1.1 times of bolts 2, complete a face spiral shell
Bolt ball 5 is assembled with bolt 2.Assembling for another side bolt sphere 5 and bolt 2 is completed by same procedure, to complete
Fastening handle 4 is removed in the assembling of bolt sphere tensile test specimen.
Step 4: repeating step 2, select 600 kN cupping machines, the distance between two jaws of Adjustment Tests machine, by spiral shell
Bolt tensile test specimen is put into cupping machine jaw, and fishbolt head skirt 1 simultaneously applies load, measures the maximum load of application
For 293 kN, bolt 2 does not screw place's screw thread fracture in screw thread, and 2 tensile load of bolt meets code requirement, bolt sphere can be completed
The test of 5 tensile loads.
Step 5: as shown in figure 3, steel pipe 7(rod piece) when tension test, bolt 2 is pierced by from the hole of conehead, will be fastened
Set 8 is set on bolt 2, keeps bolt 2 not rotate with fastening handle 4, screw shell 3 and bolt 2 are screwed, bolt 2 screws in
The depth of screw shell 3 is not less than the nominal diameter of 1.1 times of bolts 2, and one face steel pipe 7 of completion is assembled with bolt 2.By phase
Assembling for another side steel pipe 7 and bolt 2 is completed with method, to complete steel pipe 7(rod piece) assembling of tensile test specimen, it removes
Fastening handle 4.
Step 6: repeating step 2, select 600 kN cupping machines, the distance between two jaws of Adjustment Tests machine, by steel
Pipe 7(rod piece) tensile test specimen is put into cupping machine jaw, and it clamps screw shell 3 and simultaneously applies load, measure the maximum of application
Load is 287 kN, steel pipe 7(rod piece) deformed in the bottom plate of conehead 6, steel pipe 7(rod piece) tensile load meets specification and want
Ask, steel pipe 7(rod piece can be completed) tensile load test.
The working principle and the course of work of the utility model:
Step 1: as shown in Figure 1, when 2 tension test of bolt, bolt 2 being passed through to the inner hole of bolt head sleeve 1, using tight
Gu bolt 2 is fastened on bolt head sleeve 1 by handle 4, bolt head sleeve 1 or fastening handle 4 are rotated, bolt 2 and spiral shell are made
The threaded engagement of line sleeve 3, the depth that bolt 2 screws in screw shell 3 are not less than the nominal diameter of 1.1 times of bolts 2, complete bolt
Fastening handle 4 is removed in the assembling of tensile test specimen.
Step 2: selecting 600 kN cupping machines, the distance between two jaws of Adjustment Tests machine, by bolt tension test specimen
Be put into cupping machine jaw, fishbolt head skirt 1 and screw shell 3, to bolt tension test specimen apply load until
Test specimen destroys, and the maximum load for measuring application is 297 kN, and bolt 2 does not screw place's screw thread fracture, 2 tensile load of bolt in screw thread
Meet code requirement, the test of 2 tensile load of bolt can be completed.
Step 3: as shown in Fig. 2, bolt 2 to be passed through to the inner hole of bolt head sleeve 1 when 5 tension test of bolt sphere, utilizing
Bolt 2 is fastened on bolt head sleeve 1 by fastening handle 4, rotates bolt head sleeve 1 or fastening handle 4, make bolt 2 with
The threaded engagement of bolt sphere 5, the depth that bolt 2 screws in bolt sphere 5 are not less than the nominal diameter of 1.1 times of bolts 2, complete a face spiral shell
Bolt ball 5 is assembled with bolt 2.Assembling for another side bolt sphere 5 and bolt 2 is completed by same procedure, to complete
Fastening handle 4 is removed in the assembling of bolt sphere tensile test specimen.
Step 4: repeating step 2, select 600 kN cupping machines, the distance between two jaws of Adjustment Tests machine, by spiral shell
Bolt tensile test specimen is put into cupping machine jaw, and fishbolt head skirt 1 simultaneously applies load, measures the maximum load of application
For 293 kN, bolt 2 does not screw place's screw thread fracture in screw thread, and 2 tensile load of bolt meets code requirement, bolt sphere can be completed
The test of 5 tensile loads.
Step 5: as shown in figure 3, steel pipe 7(rod piece) when tension test, bolt 2 is pierced by from the hole of conehead, will be fastened
Set 8 is set on bolt 2, keeps bolt 2 not rotate with fastening handle 4, screw shell 3 and bolt 2 are screwed, bolt 2 screws in
The depth of screw shell 3 is not less than the nominal diameter of 1.1 times of bolts 2, and one face steel pipe 7 of completion is assembled with bolt 2.By phase
Assembling for another side steel pipe 7 and bolt 2 is completed with method, to complete steel pipe 7(rod piece) assembling of tensile test specimen, it removes
Fastening handle 4.
Step 6: repeating step 2, select 600 kN cupping machines, the distance between two jaws of Adjustment Tests machine, by steel
Pipe 7(rod piece) tensile test specimen is put into cupping machine jaw, and it clamps screw shell 3 and simultaneously applies load, measure the maximum of application
Load is 287 kN, steel pipe 7(rod piece) deformed in the bottom plate of conehead 6, steel pipe 7(rod piece) tensile load meets specification and want
Ask, steel pipe 7(rod piece can be completed) tensile load test.
Claims (8)
1. a kind of clamping device suitable for bolted spherical node tension test, including bolt head sleeve (1), bolt (2), screw thread
Sleeve (3), fastening handle (4), conehead (6), adapter sleeve (8), it is characterized in that: the bolt head sleeve (1), bolt (2),
Screw shell (3), fastening handle (4) fit together, and can be realized the tension test to bolt (2)；The bolt head
Sleeve (1), bolt (2), fastening handle (4), bolt sphere (5) fit together, and can be realized the examination of the stretching to bolt sphere (5)
It tests；The bolt (2), screw shell (3), fastening handle (4), conehead (6), steel pipe (7), adapter sleeve (8) fit together,
It can be realized the tension test to steel pipe (7).
2. the clamping device according to claim 1 suitable for bolted spherical node tension test, it is characterized in that: the spiral shell
Bolt head sleeve (1) is hollow circuit cylinder, and inner hole is stepped hole, and the internal diameter of larger inner hole is bigger than the head diameter of bolt (2)
The internal diameter of 2mm, smaller inner hole are 2mm bigger than the screw thread nominal diameter of bolt (2).
3. the clamping device according to claim 1 suitable for bolted spherical node tension test, it is characterized in that: the spiral shell
The length and testing machine jaw length of bolt head sleeve (1) are adapted, and the height of smaller inner hole is bolt (2) height of head
1.1 again；The fastening screw hole of M10, the external screw thread of screw thread and fastening handle (4) are set on the large diameter hole wall near stepped hole
It screws, the screw thread of fastening handle (4) is pierced by from screw hole and the head of hold-down bolt (2).
4. the clamping device according to claim 1 suitable for bolted spherical node tension test, it is characterized in that: the spiral shell
Line sleeve (3) is hollow circuit cylinder, the external screw thread cooperation of internal screw thread and bolt (2), spiral shell of the internal screw thread length not less than bolt (2)
1.2 times of line nominal diameter, accuracy of thread grade are 6H.
5. the clamping device according to claim 1 suitable for bolted spherical node tension test, it is characterized in that: the spiral shell
The length and testing machine jaw length of line sleeve (3) are adapted.
6. the clamping device according to claim 1 suitable for bolted spherical node tension test, it is characterized in that: the spiral shell
The material of bolt head sleeve (1) is 40Cr alloy tool steel, and is quenched and tempering, and hardness is Rockwell hardness HRC 45
~50.
7. the clamping device according to claim 1 suitable for bolted spherical node tension test, it is characterized in that: the spiral shell
The material of line sleeve (3) is 40Cr alloy tool steel, and is quenched and tempering, hardness be Rockwell hardness HRC 45~
50。
8. the clamping device according to claim 1 suitable for bolted spherical node tension test, it is characterized in that: described is tight
Gu covering (8) is annulus, internal diameter is 2mm bigger than the screw thread nominal diameter of bolt (2), wall thickness 10mm；Setting M10 in the middle part of hole wall
Screw hole is fastened, the external screw thread for fastening the screw thread and fastening handle (4) of screw hole screws, and the screw thread of fastening handle (4) is from fastening screw hole
It is pierced by simultaneously hold-down bolt (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820829653.4U CN208223964U (en) | 2018-05-31 | 2018-05-31 | A kind of clamping device suitable for bolted spherical node tension test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820829653.4U CN208223964U (en) | 2018-05-31 | 2018-05-31 | A kind of clamping device suitable for bolted spherical node tension test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208223964U true CN208223964U (en) | 2018-12-11 |
Family
ID=64507021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820829653.4U Active CN208223964U (en) | 2018-05-31 | 2018-05-31 | A kind of clamping device suitable for bolted spherical node tension test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208223964U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520845A (en) * | 2018-10-23 | 2019-03-26 | 上海同济检测技术有限公司 | Assembled architecture sleeve connection node pulling check-up device |
-
2018
- 2018-05-31 CN CN201820829653.4U patent/CN208223964U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520845A (en) * | 2018-10-23 | 2019-03-26 | 上海同济检测技术有限公司 | Assembled architecture sleeve connection node pulling check-up device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203772637U (en) | Minimum bolt tensile load test fixture | |
| CN104677726B (en) | The spacing tension and compression cyclic test rock sample fixing device of scroll chuck | |
| CN107036901A (en) | A kind of monofilament pull-out test device for applying lateral pressure | |
| CN106404564A (en) | Bursting device | |
| CN208223964U (en) | A kind of clamping device suitable for bolted spherical node tension test | |
| CN203929501U (en) | A kind of nut tensile test fixture | |
| CN106289977B (en) | A kind of bolt concrete tensile test device and test method | |
| CN207256083U (en) | The detachable instrument of torsion experiment is riveted and welded for screw | |
| CN105464209A (en) | Bolt-sphere joint | |
| CN201945501U (en) | General clamping mechanism for mechanical test of bolts/nuts | |
| CN209606246U (en) | A kind of detection instrument of stud welding intensity | |
| CN204882249U (en) | Normal position rock tensile strength test device | |
| CN206095835U (en) | Bursting device | |
| CN211504980U (en) | Pipe fatigue test clamping tool | |
| CN207396214U (en) | Tensile Strength of Rock measurement device in laboratory | |
| CN107761788B (en) | An experimental device suitable for anchoring cyclic tensile and dynamic load tensile tests | |
| CN205910072U (en) | Cant chisei concrete test device | |
| CN207730569U (en) | Pipe fitting total cross-section tension test tooling | |
| CN104215522B (en) | Technical stud welding sample bending test tool | |
| CN103604690A (en) | Testing core rod and detection method for detecting mechanical property of connection sleeve | |
| CN107884284B (en) | Elevator material shear resistance detection equipment | |
| CN110057666A (en) | Pipe fitting total cross-section tension test tooling and its application method | |
| CN211360767U (en) | Pneumatic clamp for drilling of shock absorber | |
| CN206479401U (en) | A kind of grip device and bursting device | |
| CN217699291U (en) | Jaw crusher granularity adjusting tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |