CN112986025A - Pendulum impact test equipment - Google Patents
Pendulum impact test equipment Download PDFInfo
- Publication number
- CN112986025A CN112986025A CN202110179884.1A CN202110179884A CN112986025A CN 112986025 A CN112986025 A CN 112986025A CN 202110179884 A CN202110179884 A CN 202110179884A CN 112986025 A CN112986025 A CN 112986025A
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- China
- Prior art keywords
- pendulum
- groove
- connecting plate
- plate
- tup
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- 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.)
- Pending
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- 238000009863 impact test Methods 0.000 title claims abstract description 22
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 8
- 238000012360 testing method Methods 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 241000251131 Sphyrna Species 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/34—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by mechanical means, e.g. hammer blows
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
Abstract
The invention relates to pendulum hammer type impact test equipment, which belongs to the technical field of impact test equipment and comprises a machine body and a pendulum hammer, wherein the pendulum hammer comprises a swinging rod and a hammer head, the hammer head is fixedly connected with one end of the swinging rod, which is far away from the hammer head, is fixedly connected with a rotating shaft of the machine body, the swinging rod and the rotating shaft of the machine body rotate as rotating shafts, an embedded groove is formed in the upper surface of the hammer head, an internal thread is formed in the inner wall of the embedded groove, an external thread is formed in the circumferential outer wall of one end, which is close to the hammer head, of the swinging rod, and the swinging rod is inserted in the embedded.
Description
Technical Field
The invention relates to the technical field of impact test equipment, in particular to pendulum impact test equipment.
Background
The pendulum impact tester is used for detecting the performance of a metal material and a non-metal material for resisting impact under dynamic load so as to judge the property of the material under the dynamic load.
Current pendulum bob shock test equipment includes organism and pendulum bob, and the pendulum bob includes pendulum rod and hammer, and the pendulum rod is cast with the integrative form that takes shape of hammer, and the pendulum rod keeps away from the one end of pendulum bob and the pivot fixed connection of organism, and the pendulum rod uses the pivot of organism to rotate as the axis of rotation, according to the height before the pendulum bob strikes the sample and the difference in height behind the pendulum bob impact sample when the experiment, combines the weight of pendulum bob to calculate the shock resistance of sample simultaneously.
The above prior art solutions have the following drawbacks: among the above-mentioned technical scheme, current pendulum rod and pendulum are integrated into one piece structure, and when the shock resistance who detects the object exceeded the biggest range of impact test equipment, need change the great tup of quality and satisfy the needs of test, the current pivot that can only carry out pendulum rod and frame splits, changes whole pendulum, and when impact test equipment is great, the staff of not being convenient for changed it.
Disclosure of Invention
The invention aims to provide pendulum impact test equipment which achieves the effect of facilitating replacement of a hammer head by a worker.
The above object of the present invention is achieved by the following technical solutions: including organism and pendulum, the pendulum includes pendulum rod and tup, the one end fixed connection of tup and pendulum rod, the pivot fixed connection of one end and organism that the tup was kept away from to the pendulum rod, and the pivot of pendulum rod and organism is the axis of rotation and rotates, and the caulking groove has been seted up to the tup upper surface, and the caulking groove inner wall is seted up there is the internal thread, and the pendulum rod is close to the one end circumference outer wall of tup and has been seted up the external screw thread, the pendulum rod peg graft in the caulking groove and.
Through adopting above-mentioned technical scheme, when needing to be changed the tup, only need be close to the one end of tup with the pendulum rod and peg graft in the caulking groove, rotate the tup and carry out threaded connection with pendulum rod and tup, and then accomplish the change of whole tup, whole process has reached the effect that makes things convenient for people to change the tup.
Optionally, an anti-rotation bolt is arranged between the hammer head and the swing rod, the anti-rotation bolt penetrates through the side wall of the hammer head and is inserted into the caulking groove and in threaded connection with the hammer head, an anti-rotation groove is formed in the side wall of the anti-rotation bolt, and one end, located in the caulking groove, of the anti-rotation bolt is inserted into the anti-rotation groove and is abutted to the swing rod.
Through adopting above-mentioned technical scheme, with tup and pendulum rod threaded connection after, rotate and prevent changeing the bolt, prevent changeing bolt and tup and take place relative displacement, prevent changeing the bolt this moment and peg graft at preventing changeing the inslot, and support tight pendulum rod, relative rotation can not take place for pendulum rod and tup this moment, guaranteed the impact experiment piece that the tup can be accurate, the accuracy of detected data has been guaranteed, prevent simultaneously that the setting of changeing the bolt can prevent that the tup from sliding along pendulum rod length direction, and the drop that leads to, reached the effect of guaranteeing tup stability in use.
Optionally, a stopping groove is formed in the upper surface of the hammer head, a stopping plate is sleeved on the outer circumferential wall of the swing rod and is of a circular plate-shaped structure, the perpendicular bisector of the stopping plate is collinear with the center line of the length direction of the swing rod, the outer diameter of the stopping plate is larger than the thickness of the pendulum, the stopping groove is matched with the stopping plate, and part of the stopping plate is embedded in the stopping groove.
Through adopting above-mentioned technical scheme, when examining impact test, the tup can receive reverse impact force when breaking the test, and setting up of backstop board has reduced the vibrations to tup and pendulum rod junction production, has improved the stability of being connected between tup and the hammer stem.
Optionally, the tup includes connecting plate and impact plate, and the connecting plate is provided with two, and the impact plate is located between two connecting plates, and the impact plate perpendicular bisector is parallel with the connecting plate perpendicular bisector, and the connecting plate is the same with impact plate thickness, and the impact plate is as an organic whole with the connecting plate takes shape.
Through adopting above-mentioned technical scheme, for guaranteeing the accuracy of detection data, put the thing platform in order to place the sample of waiting to examine on the adaptation organism simultaneously, the thickness of impact plate and width generally can not change, but the size of connecting plate can change the casting according to the needs of reality.
Optionally, the two side walls of the connecting plate are provided with counterweight assemblies, each counterweight assembly comprises a counterweight plate and a counterweight bolt, the perpendicular bisectors of the counterweight plates are parallel to the perpendicular bisectors of the connecting plate, the counterweight plates are abutted against the side walls of the connecting plate, and the connecting bolts penetrate through the counterweight plates and the connecting plate and are in threaded connection with the counterweight plates and the connecting plate.
Through adopting above-mentioned technical scheme, when the biggest range difference that detects sample and impact equipment is less, can select to add balancing weight and counter weight bolt at connecting plate lateral wall symmetry, only need use balancing weight and kind of a kind of bolt to run through connecting plate and balancing weight during the installation to rather than threaded connection, just can accomplish the installation of balancing weight, the staff of also being convenient for simultaneously demolishs it.
Optionally, the connecting plate is close to the lateral wall fixedly connected with bearing strip of counterweight plate, and bearing strip level sets up and bearing strip length direction central line is perpendicular with the connecting plate perpendicular bisector, and counterweight plate is close to the lateral wall of connecting plate and has seted up the bearing groove, and the bearing strip is pegged graft in the bearing groove.
Through adopting above-mentioned technical scheme, after using the counter weight bolt to connect counterweight plate and connecting plate, the setting up of bearing strip can reduce counterweight plate self gravity and produce the shear force to the counter weight bolt, and then has guaranteed the stability of being connected of counterweight plate and connecting plate, and bearing strip fixed connection has guaranteed the integrality of connecting plate at the connecting plate lateral wall and the bearing groove is seted up at the counterweight plate lateral wall simultaneously.
Optionally, the lateral wall fixedly connected with antislip strip of connecting plate near the counterweight plate, the vertical setting of antislip strip, and antislip strip length direction central line is perpendicular with the connecting plate perpendicular bisector, and the counterweight plate has seted up the antiskid groove near the lateral wall of connecting plate, and the antislip strip is pegged graft in the antiskid inslot.
Through adopting above-mentioned technical scheme, when impact testing machine carries out impact test to the experiment, the tup receives the reverse acting force of testing sample, and setting up of antislip strip this moment can reduce the shearing force that the balancing weight formed to the counter weight bolt, has guaranteed the stability that the counterweight plate is connected with the connecting plate.
Optionally, the load bearing bar is a rectangular columnar structure.
Through adopting above-mentioned technical scheme, rectangular block shape bearing strip is difficult to follow the bearing groove roll-off under the effect of balancing weight gravity, and then has guaranteed the stability that the counterweight plate is connected with the connecting plate.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the swinging rod is inserted in the caulking groove and is in threaded connection with the hammer head, the hammer head is inserted in the caulking groove, only the hammer head needs to be rotated to disassemble and assemble the hammer head and the swinging rod when the hammer heads with different sizes need to be replaced, and meanwhile, the swinging rod is matched with the anti-rotation bolt to ensure the connection stability of the hammer head and the swinging rod;
2. the arrangement of the counterweight component can facilitate the adjustment of the weight of the hammer head by a worker under the condition that the oscillating bar and the hammer head are not separated, thereby achieving the effect of facilitating the use of the worker;
3. the stability that the counterweight plate is connected with the connecting plate has been improved in setting up of antislip strip and bearing strip.
Drawings
FIG. 1 is a schematic view of the entire structure of the present embodiment;
FIG. 2 is a partial detail view showing the counterweight assembly;
FIG. 3 is a partial sectional view of the components showing the anti-rotation slot;
figure 4 is a schematic view of a portion of a load bearing bar.
In the figure, 1, a machine body; 2. a pendulum bob; 21. a swing rod; 22. a hammer head; 221. a connecting plate; 222. an impact plate; 3. caulking grooves; 4. an anti-rotation bolt; 41. an anti-rotation slot; 5. a stopper plate; 51. a stopper groove; 6. a counterweight assembly; 61. a weight plate; 62. a counterweight bolt; 7. a load bearing bar; 71. a load bearing groove; 8. anti-slip strips; 81. and (4) an anti-slip groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, a pendulum impact test apparatus disclosed in the present invention includes a machine body 1 and a pendulum 2, the pendulum 2 includes a swing rod 21 and a hammer 22, one end of the swing rod 21 is fixedly connected to a rotating shaft of the machine body 1, the rotating shaft of the machine body 1 is used as a rotating shaft, the length of the pendulum is used as a radius to rotate, the hammer 22 is located at one end of the swing rod 21 away from the rotating shaft of the machine body 1, the hammer 22 includes a connecting plate 221 and two impact plates 222, the connecting plate 221 is provided with two impact plates 222, the impact plate 222 is located between the two connecting plates 221, the perpendicular line of the impact plate 222 is parallel to the perpendicular line of the connecting plate 221, the thickness of the connecting plate 221 is the same as the thickness of the impact plate 222, the side walls of the impact plates 222 and the connecting plate 221 are coplanar, the impact plates 222 and the connecting plate 221 are fixedly connected, in, an internal thread is arranged on the inner wall of the caulking groove 3, an external thread is arranged at one end of the swing rod 21 close to the hammer 22, and the swing rod 21 is inserted in the caulking groove 3 and is in threaded connection with the hammer 22; when the hammer 22 is replaced, the hammer 22 with proper size and weight is selected, the swing rod 21 is inserted into the embedded groove 3, the hammer 22 is rotated to complete connection of the swing rod 21 and the hammer 22, replacement of the hammer 22 is further completed, and the effect of facilitating replacement of the hammer 22 by a worker is achieved.
Referring to fig. 2 and 3, an anti-rotation bolt 4 is arranged between the hammer 22 and the swing rod 21, the anti-rotation bolt 4 penetrates through the side wall of the connecting plate 221 and is communicated with the caulking groove 3, an anti-rotation groove 41 is formed in the circumferential side wall of one end, inserted in the caulking groove 3, of the swing rod 21, the direction of the anti-rotation groove 41 is perpendicular to the length direction of the swing rod 21, one end, close to the swing rod 21, of the anti-rotation bolt 4 is inserted in the anti-rotation groove 41 and is abutted against the swing rod 21, and the anti-rotation bolt 4 is perpendicular; when the anti-rotation bolt 4 is rotated during use, the anti-rotation bolt 4 is guaranteed to be tightly abutted to the bottom of the embedded groove 3, the swing rod 21 and the anti-rotation groove 41 cannot rotate relatively, meanwhile, the anti-rotation bolt 4 is arranged to prevent relative displacement between the hammer 22 and the swing rod 21, and therefore the connection stability of the swing rod 21 and the hammer 22 is improved.
Referring to fig. 1 and 3, stop groove 51 has been seted up to tup 22 upper surface, pendulum rod 21 circumference outer wall cover is equipped with backstop plate 5, the perpendicular bisector of backstop plate 5 and the collineation of pendulum rod 21 length direction central line, backstop plate 5 is circular platelike structure, after tup 22 and pendulum rod 21 threaded connection, backstop plate 5 lower surface and the tank bottom butt of backstop groove 51, and backstop plate 5's external diameter is greater than backstop plate 5's width, when tup 22 and test sample carry out impact test, backstop plate 5's setting can reduce the reaction force that the test sample caused tup 22, influence to pendulum rod 21 and tup 22 connection stability.
Referring to fig. 2 and 4, the counterweight assembly 6 is disposed on both sides of the connecting plate 221, the counterweight assembly 6 includes a counterweight plate 61 and a counterweight bolt 62, the counterweight plate 61 abuts against a side wall of the connecting plate 221, a perpendicular bisector of the counterweight plate 61 is parallel to a perpendicular bisector of the connecting plate 221, the counterweight plate 61 of the embodiment coincides with the connected perpendicular bisector, the counterweight bolt 62 penetrates through the counterweight plates 61 and the connecting plate 221 and is in threaded connection therewith, and at least a plurality of counterweight bolts 62 are disposed; the side of the connecting plate 221 is fixedly connected with a bearing strip 7 and an anti-slip strip 8, the bearing strip 7 is horizontally arranged, the central line of the length direction of the bearing strip 7 is perpendicular to the perpendicular bisector of the connecting plate 221, the anti-slip strip 8 is vertically arranged, the central line of the length direction of the anti-slip strip 8 is perpendicular to the perpendicular bisector of the connecting plate 221, the bearing strip 7 and the anti-slip strip 8 are both rectangular columnar structures, the side wall of the counterweight plate 61 is provided with a bearing groove 71 and an anti-slip groove 81, the bearing groove 71 is matched with the bearing strip 7, the anti-slip groove 81 is matched with the anti-slip strip 8, when the side wall of the counterweight plate 61 is abutted against the side wall of the connecting plate 221, the anti; the setting up of bearing strip 7 and antislip strip 8 can reduce the shearing force that balancing weight gravity produced to counter weight bolt 62, and when can reduce the detection sample simultaneously, the sample is to the shearing force of the reaction force of tup 22 to counter weight bolt 62 production, and then has guaranteed the stability that the balancing weight used.
The implementation principle of the embodiment is as follows: the swing rod 21 is inserted into the caulking groove 3, the swing rod 21 is in threaded connection with the hammer head 22, the anti-rotation bolt 4 is used for fixing the relative position between the hammer head 22 and the swing rod 21, then the hammer head 22 is replaced, meanwhile, when the hammer head 22 only needs to finely adjust the weight, the weight of the hammer head 22 can be adjusted by selecting the weight plates 61 with different weights, and then the effect of facilitating replacement of the hammer head 22 by a worker is achieved.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides a pendulum impact test equipment, includes organism (1) and pendulum (2), pendulum (2) include pendulum rod (21) and tup (22), the one end fixed connection of tup (22) and pendulum rod (21), the pivot fixed connection of one end and organism (1) of tup (22) is kept away from in pendulum rod (21), and the pivot of pendulum rod (21) and organism (1) is the axis of rotation and rotates its characterized in that: the upper surface of the hammer head (22) is provided with an embedded groove (3), the inner wall of the embedded groove (3) is provided with an internal thread, the circumferential outer wall of one end of the swing rod (21) close to the hammer head (22) is provided with an external thread, and the swing rod (21) is inserted in the embedded groove (3) and is in threaded connection with the hammer head (22).
2. A pendulum impact test apparatus according to claim 1, wherein: be provided with between tup (22) and pendulum rod (21) and prevent changeing bolt (4), prevent changeing bolt (4) and run through tup (22) lateral wall and peg graft in caulking groove (3) and with tup (22) threaded connection, and prevent changeing bolt (4) lateral wall and seted up anti-rotating groove (41), prevent changeing bolt (4) and be located one end peg graft in caulking groove (3) in anti-rotating groove (41) to with pendulum rod (21) butt.
3. A pendulum impact test apparatus according to claim 1, wherein: stop groove (51) have been seted up to tup (22) upper surface, pendulum rod (21) circumference outer wall cover is equipped with backstop board (5), backstop board (5) are circular platelike structure, the perpendicular bisector of backstop board (5) and pendulum rod (21) length direction center line collineation, and the external diameter of backstop board (5) is greater than the thickness of pendulum (2), stop groove (51) and backstop board (5) looks adaptation, and partial backstop board (5) are inlayed and are established in stop groove (51).
4. A pendulum impact test apparatus according to claim 1, wherein: the hammer head (22) comprises two connecting plates (221) and two impact plates (222), the impact plates (222) are located between the two connecting plates (221), the perpendicular bisectors of the impact plates (222) are parallel to the perpendicular bisectors of the connecting plates (221), the thicknesses of the connecting plates (221) and the thicknesses of the impact plates (222) are the same, and the impact plates (222) and the connecting plates (221) are integrally formed.
5. A pendulum impact test apparatus according to claim 4, wherein: connecting plate (221) both sides wall is provided with counter weight subassembly (6), and counter weight subassembly (6) include counterweight plate (61) and counter weight bolt (62), and counterweight plate (61) perpendicular bisector is parallel with connecting plate (221) perpendicular bisector, and counterweight plate (61) and connecting plate (221) side wall butt, and counterweight bolt (62) run through counterweight plate (61) and connecting plate (221) and rather than threaded connection.
6. A pendulum impact testing apparatus according to claim 5, wherein: the side wall fixedly connected with bearing strip (7) that connecting plate (221) are close to counterweight plate (61), bearing strip (7) level set up and bearing strip (7) length direction central line is perpendicular with connecting plate (221) perpendicular bisector, and counterweight plate (61) have seted up bearing groove (71) near the lateral wall of connecting plate (221), and bearing strip (7) are pegged graft in bearing groove (71).
7. A pendulum impact testing apparatus according to claim 5, wherein: lateral wall fixedly connected with antislip strip (8) that connecting plate (221) are close to counterweight plate (61), the vertical setting of antislip strip (8), and antislip strip (8) length direction central line is perpendicular with connecting plate (221) perpendicular bisector, and antislip groove (81) have been seted up to counterweight plate (61) lateral wall close to connecting plate (221), and antislip strip (8) are pegged graft in antislip groove (81).
8. A pendulum impact test apparatus according to claim 6, wherein: the bearing strip (7) is of a rectangular columnar structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110179884.1A CN112986025A (en) | 2021-02-07 | 2021-02-07 | Pendulum impact test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110179884.1A CN112986025A (en) | 2021-02-07 | 2021-02-07 | Pendulum impact test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112986025A true CN112986025A (en) | 2021-06-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110179884.1A Pending CN112986025A (en) | 2021-02-07 | 2021-02-07 | Pendulum impact test equipment |
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| CN (1) | CN112986025A (en) |
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| CN103196665A (en) * | 2013-03-25 | 2013-07-10 | 农业部南京农业机械化研究所 | Spraying nozzle testing device used for agriculture pesticide machinery |
| CN203231944U (en) * | 2013-04-28 | 2013-10-09 | 深圳三思纵横科技股份有限公司 | Impact tester and pendulum bob thereof |
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Application publication date: 20210618 |