CN113804562A - Pendulum protector - Google Patents
Pendulum protector Download PDFInfo
- Publication number
- CN113804562A CN113804562A CN202111104477.0A CN202111104477A CN113804562A CN 113804562 A CN113804562 A CN 113804562A CN 202111104477 A CN202111104477 A CN 202111104477A CN 113804562 A CN113804562 A CN 113804562A
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- China
- Prior art keywords
- pendulum
- square
- groove
- pressure spring
- sliding block
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- 230000001012 protector Effects 0.000 title claims description 13
- 230000001681 protective effect Effects 0.000 claims abstract description 21
- 230000006978 adaptation Effects 0.000 claims description 22
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 239000006096 absorbing agent Substances 0.000 claims 1
- 230000035939 shock Effects 0.000 claims 1
- 238000009863 impact test Methods 0.000 description 4
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 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
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/303—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/001—Impulsive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0039—Hammer or pendulum
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a pendulum bob protection device.A pendulum bob is connected in the upper part of a convex groove formed in the top of a pendulum bob base through a cylinder, and can rotate around the cylinder and fall to complete the impact action of a falling hammer; the middle square groove formed in the middle of the pendulum bob base is connected with the protective sliding block through the guide block, and the middle square groove is connected with the rear end of the protective sliding block through the guide cylinder and the pressure spring; the pendulum base is connected with the trigger plate through the cylinder in the convex-shaped groove upper portion of the middle lower portion, the lower square groove formed in the middle convex-shaped groove lower portion is connected with the trigger plate through the two guide cylinders and the reset spring, and the protection sliding block is connected with the trigger plate through the square groove and the triangular boss at the lower end. The pressure spring can drive the protective sliding block to move quickly, secondary error impact of the pendulum on a sample is avoided, the sample is protected, quick protection and sliding block resetting can be realized through the spring pushing mechanism, response is sensitive and quick, operation is simple and quick, and test accuracy is guaranteed.
Description
Technical Field
The invention relates to a pendulum bob impact test device, in particular to a pendulum bob protection device.
Background
In order to guarantee the basic performance of the ship electronic equipment, a pendulum impact test needs to be carried out on a sample. When carrying out naval vessel electronic equipment pendulum impact test, the impact number of times is all tested according to the single, and after the single drop hammer impact, the pendulum can lead to the certain height of pendulum bounce-back because of the impact to lead to the pendulum to strike the sample secondary mistake, influence experimental accuracy.
Disclosure of Invention
The present invention aims to overcome the above-mentioned drawbacks of the prior art and to provide a pendulum protector.
The purpose of the invention is realized by the following technical scheme:
a pendulum bob protection device comprises a pendulum bob base, a pendulum bob, a protection sliding block, a trigger plate, a pressure spring and a reset spring, wherein the upper part of a convex groove formed in the top of the pendulum bob base is internally connected with the pendulum bob through a cylinder, and the pendulum bob can rotate around the cylinder and fall to complete the impact action of falling hammer; the middle square groove formed in the middle of the pendulum bob base is connected with the protective sliding block through the guide block, and the guide block can be clamped in the sliding groove of the protective sliding block to prevent the protective sliding block from being separated from the guide block; the middle square groove is connected with the rear end of the protective sliding block through a guide cylinder and a pressure spring; the upper part of a middle convex-shaped groove formed in the middle lower part of the pendulum bob base is internally connected with a trigger plate through a cylinder, and the trigger plate can rotate around the cylinder so as to rotate to release the protective sliding block; the lower square groove formed in the lower portion of the middle convex groove is connected with the trigger plate through two guide cylinders and a reset spring, and the protection sliding block is connected with the trigger plate through the lower square groove and the triangular boss.
Further, the middle square groove is internally provided with two guide cylinders matched with the pressure spring, and the upper part and the lower part of the middle square groove are respectively provided with a trapezoidal guide block matched with the trapezoidal sliding groove of the protective sliding block and an inverted trapezoidal guide block.
Furthermore, a cylinder matched with the middle cylindrical through hole of the trigger plate is arranged on the upper portion of the middle convex-shaped groove, and a square through hole matched with the upper portion of the trigger plate is formed in the upper portion of the middle convex-shaped groove and the lower portion of the middle square groove of the pendulum bob base.
Further, the middle part protruding font groove lower part is seted up with the square groove that triggers board lower part and reset spring looks adaptation, square inslot portion be equipped with two guide cylinder of reset spring looks adaptation, square groove front end set up with trigger the square through-hole that post looks adaptation was triggered to the square on the board.
Furthermore, the protection slider is provided with an upper trapezoidal sliding groove and a lower trapezoidal sliding groove which are matched with the upper trapezoidal guide block and the lower trapezoidal guide block in the square groove in the middle of the pendulum bob base, and the inclined surface parallel to the surface of the pendulum bob rod is arranged on the inclined upper side of the protection slider.
Furthermore, a square boss matched with the pendulum hammer is arranged on the right side of the lower part of the pendulum hammer base; and a sample mounting plate is arranged on the left side of the lower part of the pendulum bob base.
Furthermore, two circular pressure spring clamping grooves matched with the pressure springs are formed in the rear side of the protection sliding block, one end of each pressure spring is sleeved on the guide cylinder and fixedly connected with the pendulum bob base, the other end of each pressure spring is fixedly connected with the two circular pressure spring clamping grooves in the rear end of the protection sliding block, each pressure spring is in a compression state, and when a hammer falls, each pressure spring is unlocked and pushes the protection sliding block to slide quickly.
Further, square groove has been seted up to protection slider downside, and square inslot portion is provided with and triggers the cross-section that board upper portion cross-section is triangle-shaped buckle looks adaptation and is the triangle-shaped boss, before the hammer action that falls, the triangle-shaped boss of protection slider square inslot portion is connected with the buckle cooperation contact on triggering board upper portion, and pressure spring is in compression state, and after the hammer action that falls, the triangle-shaped boss of protection slider square inslot portion separates with the buckle that triggers board upper portion, and pressure spring unblock promotes the protection slider and slides in order to block the secondary mistake impact of pendulum.
Further, the trigger plate is a three-part step plate; the upper part of the trigger plate is provided with a triangular buckle with a triangular section matched with the triangular boss at the inner section of the square groove at the lower side of the protective sliding block; the middle part of the trigger plate is provided with a cylindrical through hole matched with the cylindrical body at the upper part of the middle convex-shaped groove of the pendulum bob base; a square trigger column matched with the square through hole of the square groove at the middle lower part of the pendulum bob base is arranged at the front side of the lower part of the trigger plate; two circular pressure spring draw-in grooves with reset spring looks adaptation are opened to spring push mechanism's trigger plate lower part rear side, reset spring pot head is at the middle and lower part square groove fixed connection of guide cylinder and pendulum base, the other end with trigger two circular pressure spring draw-in grooves contact connection in board rear end, when the hammer that falls, pendulum hammer stem contact triggers the post, trigger the board extrusion compression reset spring, trigger the board and rotate certain angle around the cylinder, the buckle on trigger board upper portion separates with the triangle-shaped boss of protection slider square inslot portion, pressure spring unblock promotes the protection slider fast and slides.
Furthermore, a cylindrical through hole matched with a cylinder at the upper part of the convex groove of the pendulum bob base is formed in the tail part of the pendulum bob; the hammer head of the pendulum is provided with a hammer head surface parallel to the square convex table surface on the right side of the lower part of the pendulum base.
Compared with the prior art, the invention has the following beneficial effects:
1) the pressure spring can drive the protective sliding block to move quickly, so that the pendulum bob is prevented from carrying out secondary error impact on a sample, the sample is protected, the working stability of the whole protection action is good, the pendulum bob underframe and the sample are not adversely affected, and the safety and the reliability are realized;
2) the spring pushing mechanism can realize quick protection and slide block reset, response is sensitive and quick, operation is simple and quick, and test accuracy is guaranteed.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a schematic front view of the overall structure of the present invention;
FIG. 3 is a right-side view of the overall structure of the present invention;
FIG. 4 is a schematic top view of the overall structure of the present invention;
FIG. 5 is a perspective view of the spring pushing mechanism of the present invention;
FIG. 6 is a schematic front view of a spring pushing mechanism according to the present invention;
FIG. 7 is a schematic right view of the spring pushing mechanism of the present invention;
FIG. 8 is a schematic top view of the spring pushing mechanism of the present invention;
the notation in the figure is:
1-protection slide block, 2-trigger plate, 3-pressure spring, 4-reset spring, 5-pendulum mass, 6-pendulum mass base.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1 to 8, the pendulum protector comprises a pendulum base 6, a pendulum 5 and a spring pushing mechanism. The spring pushing mechanism consists of a protective sliding block 1, a trigger plate 2, a pressure spring 3 and a return spring 4.
Wherein, the top of pendulum bob base 6 has seted up the type of protruding groove, and type of protruding groove upper portion is equipped with the cylinder with 5 afterbody cylinder through-holes adaptations of pendulum bob for pendulum bob 5 rotates the whereabouts and accomplishes the impact action of falling the hammer. The middle part of pendulum base 6 is seted up with the square groove of protection slider 1 looks adaptation, square inslot portion be equipped with two guide cylinder of pressure spring 3 looks adaptations, square groove is equipped with respectively from top to bottom with the trapezoidal guide block of the trapezoidal spout looks adaptation of protection slider 1 and invert trapezoidal guide block, upper and lower trapezoidal guide block can block in the spout of protection slider 1 and avoid protection slider 1 to break away from with the guide block, and slide stably. The convex groove has been seted up to pendulum base 6's well lower part, this convex groove upper portion be equipped with trigger the cylinder of 2 middle part cylinder through-hole looks adaptations of board in order to supply to trigger 2 rotation release protection sliders 1 of board, the square through-hole with trigger 2 upper portion looks adaptations is seted up to the lower part of this convex groove upper portion and pendulum base 6 middle part square groove, the square groove with trigger 2 lower parts of board and reset spring 4 looks adaptations is seted up to this convex groove lower part, square inslot portion is equipped with two guide cylinder with reset spring 4 looks adaptations, square groove front end set up with trigger the square through-hole of post looks adaptations on the board 2. The right side of the lower part of the pendulum bob base 6 is provided with a square boss matched with the hammer head of the pendulum bob 5. And a sample mounting plate is arranged on the left side of the lower part of the pendulum bob base 6.
The tail part of the pendulum bob 5 is provided with a cylindrical through hole matched with the cylindrical body at the upper part of the convex groove of the pendulum bob base 6. The hammer head of the pendulum hammer 5 is arranged to be a hammer head surface parallel to the square boss surface on the right side of the lower part of the pendulum hammer base 6.
The trigger plate 2 is divided into three stepped plates, the upper part of the trigger plate 2 is provided with a triangular buckle with the section matched with the triangular boss at the inner section of the square groove at the lower side of the protective slider 1, the middle part of the trigger plate 2 is provided with a cylindrical through hole matched with the cylindrical body at the upper part of the convex groove at the middle part of the pendulum base 6, the front side of the lower part of the trigger plate 2 is provided with a square trigger column matched with the square through hole at the middle lower part of the square groove of the pendulum base 6, the rear side of the lower part of the trigger plate 2 is provided with two circular pressure spring clamping grooves matched with the reset spring 4, one end of the reset spring 4 is sleeved at the guide cylinder and fixedly connected with the square groove at the middle lower part of the pendulum base 6, the other end is in contact connection with the two circular pressure spring clamping grooves at the rear end of the trigger plate 2, when a hammer drops, the pendulum 5 contacts with the trigger column, the trigger plate 2 extrudes and compresses the reset spring 4, the trigger plate 2 rotates a certain angle around the cylinder, the buckle on trigger plate 2 upper portion separates with the triangle-shaped boss of protection slider square inslot portion, and pressure spring 3 unblock promotes protection slider 1 fast and slides.
In practical application, when a drop hammer impact test is carried out on a test sample, the test sample is placed on a sample mounting plate on the left side of a pendulum base in advance. After rising the pendulum to the height or the angle of experimental regulation, loosen the tup, the square boss in right side of tup whereabouts striking pendulum base, trigger the board extrusion compression reset spring, trigger the board and rotate certain angle around the cylinder, the buckle on trigger board upper portion separates with the triangle-shaped boss of the square inslot portion of protection slider, pressure spring unblock promotes the quick roll-off of protection slider, the pendulum can fall down again because of impacting certain height of pendulum base boss bounce-back this moment, the hammer stem falls on the protection slider of roll-off with the secondary impact sample of restriction tup, then the pull rod of pulling protection slider rear end makes the triangle-shaped boss of the square inslot portion of protection slider and the buckle on trigger the board upper portion cooperate the contact once more to be connected and pins the protection slider, pressure spring is in compression state, it strikes to be ready to carry out the next hammer that falls.
Claims (10)
1. A pendulum protection device which characterized in that: the pendulum bob shock absorber comprises a pendulum bob base, a pendulum bob, a protective sliding block, a trigger plate, a pressure spring and a reset spring, wherein the upper part of a convex groove formed in the top of the pendulum bob base is connected with the pendulum bob through a cylinder, and the pendulum bob can rotate around the cylinder and fall to complete the impact action of the falling hammer; the middle square groove formed in the middle of the pendulum bob base is connected with the protective sliding block through the guide block, and the guide block can be clamped in the sliding groove of the protective sliding block to prevent the protective sliding block from being separated from the guide block; the middle square groove is connected with the rear end of the protective sliding block through a guide cylinder and a pressure spring; the upper part of a middle convex-shaped groove formed in the middle lower part of the pendulum bob base is internally connected with a trigger plate through a cylinder, and the trigger plate can rotate around the cylinder so as to rotate to release the protective sliding block; the lower square groove formed in the lower portion of the middle convex groove is connected with the trigger plate through two guide cylinders and a reset spring, and the protection sliding block is connected with the trigger plate through the lower square groove and the triangular boss.
2. A pendulum protector according to claim 1, wherein: the middle square groove is internally provided with two guide cylinders matched with the pressure spring, and the upper part and the lower part of the middle square groove are respectively provided with a trapezoidal guide block matched with the trapezoidal sliding groove of the protective sliding block and an inverted trapezoidal guide block.
3. A pendulum protector according to claim 1, wherein: the upper part of the middle convex-shaped groove is provided with a cylinder matched with the middle cylindrical through hole of the trigger plate, and the lower part of the middle convex-shaped groove and the lower part of the middle square groove of the pendulum base are provided with a square through hole matched with the upper part of the trigger plate.
4. A pendulum protector according to claim 1, wherein: the middle part is protruding style of calligraphy groove lower part and is seted up and trigger the square groove of board lower part and reset spring looks adaptation, and square inslot portion is equipped with two guide cylinder with reset spring looks adaptation, square groove front end set up with trigger the square through-hole of post looks adaptation on the board.
5. A pendulum protector according to claim 1, wherein: the protection slider is provided with an upper trapezoidal sliding groove and a lower trapezoidal sliding groove which are matched with the upper trapezoidal guide block and the lower trapezoidal guide block in the square groove in the middle of the pendulum bob base, and the inclined surface parallel to the surface of the pendulum bob rod is arranged on the inclined upper side of the protection slider.
6. A pendulum protector according to claim 1, wherein: a square boss matched with the pendulum hammer is arranged on the right side of the lower part of the pendulum hammer base; and a sample mounting plate is arranged on the left side of the lower part of the pendulum bob base.
7. A pendulum protector according to claim 1, wherein: two circular pressure spring clamping grooves matched with the pressure springs are formed in the rear side of the protection sliding block, one end of each pressure spring is sleeved on the guide cylinder and fixedly connected with the pendulum bob base, the other end of each pressure spring is fixedly connected with the two circular pressure spring clamping grooves in the rear end of the protection sliding block, each pressure spring is in a compression state, and when a hammer falls, each pressure spring is unlocked and pushes the protection sliding block to slide quickly.
8. A pendulum protector according to claim 1, wherein: the protection slider downside has been seted up square groove, and square inslot portion is provided with and triggers the cross-section that board upper portion cross-section is triangle-shaped buckle looks adaptation and is the triangle-shaped boss, before the hammer action that falls, the triangle-shaped boss of protection slider square inslot portion is connected with the buckle cooperation contact on triggering board upper portion, and pressure spring is in compression state, after the hammer action that falls, the triangle-shaped boss of protection slider square inslot portion and the buckle separation on triggering board upper portion, and pressure spring unblock promotes the secondary mistake impact that the protection slider slided in order to block the pendulum.
9. A pendulum protector according to claim 1, wherein: the trigger plate is a three-part step plate; the upper part of the trigger plate is provided with a triangular buckle with a triangular section matched with the triangular boss at the inner section of the square groove at the lower side of the protective sliding block; the middle part of the trigger plate is provided with a cylindrical through hole matched with the cylindrical body at the upper part of the middle convex-shaped groove of the pendulum bob base; a square trigger column matched with the square through hole of the square groove at the middle lower part of the pendulum bob base is arranged at the front side of the lower part of the trigger plate; two circular pressure spring draw-in grooves with reset spring looks adaptation are opened to spring push mechanism's trigger plate lower part rear side, reset spring pot head is at the middle and lower part square groove fixed connection of guide cylinder and pendulum base, the other end with trigger two circular pressure spring draw-in grooves contact connection in board rear end, when the hammer that falls, pendulum hammer stem contact triggers the post, trigger the board extrusion compression reset spring, trigger the board and rotate certain angle around the cylinder, the buckle on trigger board upper portion separates with the triangle-shaped boss of protection slider square inslot portion, pressure spring unblock promotes the protection slider fast and slides.
10. A pendulum protector according to claim 1, wherein: the tail part of the pendulum is provided with a cylindrical through hole matched with a cylindrical body at the upper part of the convex groove of the pendulum base; the hammer head of the pendulum is provided with a hammer head surface parallel to the square convex table surface on the right side of the lower part of the pendulum base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111104477.0A CN113804562A (en) | 2021-09-18 | 2021-09-18 | Pendulum protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111104477.0A CN113804562A (en) | 2021-09-18 | 2021-09-18 | Pendulum protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113804562A true CN113804562A (en) | 2021-12-17 |
Family
ID=78896150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111104477.0A Pending CN113804562A (en) | 2021-09-18 | 2021-09-18 | Pendulum protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113804562A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354374A (en) * | 2022-03-21 | 2022-04-15 | 湖南涉外经济学院 | Sports ground surface layer material testing device |
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