CN209764375U - Falling impact test device - Google Patents
Falling impact test device Download PDFInfo
- Publication number
- CN209764375U CN209764375U CN201920739704.9U CN201920739704U CN209764375U CN 209764375 U CN209764375 U CN 209764375U CN 201920739704 U CN201920739704 U CN 201920739704U CN 209764375 U CN209764375 U CN 209764375U
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- Prior art keywords
- impact
- suspension
- assembly
- impact test
- electromagnet
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- 238000009863 impact test Methods 0.000 title claims abstract description 25
- 239000000725 suspension Substances 0.000 claims abstract description 59
- 230000000903 blocking effect Effects 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims abstract description 3
- 238000005259 measurement Methods 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
the utility model relates to an impact test technical field discloses a whereabouts impact test device. The falling impact test device comprises a frame assembly, a lifting frame and a supporting rod, wherein the frame assembly comprises a base plate, a lifting frame and the supporting rod which is connected with the base plate and the lifting frame; the suspension assembly comprises a suspension rope and a suspension platform which is connected with the suspension rope and can move up and down, and the suspension rope can adjust the height of the suspension platform; the impact assembly comprises an impact block and a blocking piece arranged on one side of the impact block, and the impact assembly is arranged below the suspension platform; the electromagnet is arranged in the suspension platform, and the electromagnet is electrified to enable the impact assembly to bear a vertical upward acting force, so that the impact assembly is tightly attached to the suspended lower surface; the speed measuring assembly is arranged on the chassis and comprises an infrared sensor, a transmitting end and a receiving end which are arranged along the horizontal direction, and the speed of the impact block passing through a preset position is measured by detecting a separation blade passing through the transmitting end and the receiving end. The utility model discloses can measure the instantaneous speed when assaulting the subassembly and assaulting the impact object simply accurately.
Description
Technical Field
The utility model relates to an impact test technical field especially relates to a whereabouts impact test device.
background
Safety shoes are a general term for safety-type shoes and protective-type shoes, and refer to shoes worn in different work situations to protect the foot and legs from foreseeable injuries.
In the quality detection of safety shoes, the test of the impact resistance of the safety shoe toe cap is particularly critical. In the impact resistance test, a steel impact hammer with a specified weight is generally adopted to perform an impact test, and in the test, a free fall is usually taken as a model, and the falling initial height and the weight of the steel impact hammer are taken to calculate the theoretical impact value borne by the safety toe cap. However, because the steel impact hammer is influenced by air resistance when falling, the difference between the actual falling acceleration and the gravity acceleration is large, so that the difference between the actual impulse value and the theoretical impulse value is large, and the larger the falling initial height is, the smaller the mass of the steel impact hammer is, and the larger the deviation is.
SUMMERY OF THE UTILITY MODEL
based on the above, an object of the utility model is to provide a whereabouts impact test device can measure the instantaneous speed when assaulting the subassembly and assaulting by the impact object simply accurately.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a drop impact test apparatus comprising:
The frame assembly comprises a base plate, an upper frame positioned above the base plate and a supporting rod for connecting the base plate and the upper frame;
the suspension assembly comprises a suspension rope and a suspension platform which is connected with the suspension rope and can move up and down, and the suspension rope can adjust the height of the suspension platform;
The impact assembly comprises an impact block and a blocking piece arranged on one side of the impact block, and the impact assembly is arranged below the suspension table and used for dropping an impact test article from a high place;
The electromagnet is arranged in the suspension platform, and the electromagnet is electrified to enable the impact assembly to be subjected to an acting force which is vertically upward, so that the impact assembly is tightly attached to the suspended lower surface;
The speed measuring assembly is arranged on the chassis and comprises an infrared sensor, the infrared sensor comprises a transmitting end and a receiving end which are arranged along the horizontal direction, and the speed of the impact block passing through a preset position is measured by a separation blade passing through the transmitting end and the receiving end.
further, the suspension assembly further comprises a magnetic suction port arranged in the suspension table, the electromagnet is arranged in the magnetic suction port, the impact assembly further comprises an adsorption block connected to the upper surface of the impact block, and the electromagnetic valve can enable the adsorption block to be inserted into or separated from the magnetic suction port when the electromagnetic valve is switched on or off.
Further, the suspension assembly further comprises a safety hook arranged on one side of the suspension table, the impact assembly further comprises a safety post arranged on one side of the impact block, and the safety hook can selectively hook or separate from the safety post.
Furthermore, the frame assembly also comprises two guide rods, one end of each guide rod is connected with the top frame, and the other end of each guide rod is connected with the bottom plate; the suspension table and the impact assembly are both provided with guide holes for the guide rods to pass through.
Further, the falling impact test device further comprises a fixing assembly, the fixing assembly comprises two screw rods and a base connected to the upper surface of the chassis, two thread through holes which are collinear and extend along the horizontal direction are formed in the base, and the screw rods are in thread fit with the thread through holes and used for adjusting the positions of impacted objects between the two thread through holes.
Furthermore, a motor is arranged in the top frame and connected with the suspension rope for lifting the suspension table.
Furthermore, the speed measuring assembly further comprises a mounting bracket, a fixing device and a supporting seat, the infrared sensor is connected to the mounting bracket, and the mounting bracket is slidably connected to the supporting seat and used for adjusting the height of the infrared sensor; the fixing device is in threaded connection with the mounting bracket so that the mounting bracket can be fixed or slide relative to the supporting seat.
Preferably, universal wheels are arranged below the chassis.
The utility model has the advantages that: the utility model provides a whereabouts impact test device, before the experiment begins, hang the platform and fall to impact assembly department, inhale impact assembly through making the electro-magnet circular telegram to pulling suspension rope makes and hangs platform and impact assembly and pull up to predetermined whereabouts initial position together. After the test begins, make the electro-magnet outage and lose the appeal that attracts the impact assembly, impact assembly free fall impact test article, the speed of measuring the speed of impact assembly when predetermineeing the position is measured to the speed measuring subassembly simultaneously, can measure the instantaneous speed when the impact assembly is strikeed by the impact thing simply accurately.
Drawings
in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic view of a drop impact test apparatus according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of region A of FIG. 1;
In the figure:
1. A top frame;
2. A chassis;
3. a support bar;
4. A guide bar;
5. a suspension assembly; 501. a suspension rope; 502. a hanging table; 503. a safety hook;
6. an impact assembly; 601. an impact block; 602. an adsorption block; 603. a safety post;
7. a speed measuring component; 701. an infrared sensor; 7011. a transmitting end; 7012. a receiving end; 702. mounting a bracket; 703. a fixing device; 704. a supporting seat;
8. A fixing assembly;
9. A guide hole;
10. a baffle plate.
Detailed Description
in order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
as shown in fig. 1-2, the present embodiment provides a drop impact test apparatus including a frame assembly, a suspension assembly 5, an impact assembly 6, a velocity measurement assembly 7, and a fixing assembly 8. The frame assembly comprises a base plate 2, a top frame 1 positioned above the base plate 2 and a support rod 3 connecting the base plate 2 and the top frame 1; the suspension assembly 5 comprises a suspension rope 501 and a suspension platform 502, wherein one end of the suspension rope 501 is connected with the top frame 1, and the other end of the suspension rope 501 is connected with the suspension platform 502; the impact assembly 6 is positioned below the suspension assembly 5 and comprises an impact block 601 and a blocking piece 10 which is vertically arranged on one side of the impact block 601; the speed measuring component 7 is positioned on the chassis 2 and comprises an infrared sensor 701; the fixing assembly 8 is arranged on the chassis 2.
Further, a motor is arranged in the top frame 1, and the motor is connected with the suspension rope 501 to provide traction for the suspension rope 501.
Further, on one hand, a magnetic suction port is formed in the lower surface of the hanging table 502, and an electromagnet is arranged in the magnetic suction port; on the other hand, the upper surface of the impact block 601 is provided with an adsorption block 602 corresponding to the size and position of the magnetic suction port, and the adsorption block 602 is made of a magnetic material.
Furthermore, as shown in fig. 1, the frame assembly further includes two guide rods 4 connecting the top frame 1 and the bottom frame 2, and correspondingly, the suspension table 502 and the impact block 601 are respectively provided with a guide hole 9 for the guide rod 4 to pass through, so as to prevent the suspension table 502 and the impact block 601 from moving in the horizontal direction.
Further, as shown in fig. 2, the infrared sensor 701 includes a transmitting end 7011 and a receiving end 7012 which are arranged in a horizontal direction.
Further, the fixing member 8 includes two screws and a base connected to the upper surface of the chassis 2, the base being provided with two threaded through holes which are collinear and extend in the horizontal direction, the screws being in threaded engagement with the threaded through holes for adjusting the position of the impacted object located between the two threaded through holes.
specifically, before the test begins, the motor rotates reversely, the suspension table 502 is lowered to the impact assembly 6, then the electromagnet is electrified to suck the impact assembly 6, then the motor rotates forwards to pull the suspension rope 501, the suspension table 502 and the impact assembly 6 are pulled together to a preset falling initial position, and the impacted object is fixed in the fixing assembly 8. After the test is started, the electromagnet is powered off to lose the attraction of the attraction impact assembly 6, the impact assembly 6 freely falls to impact a test product, meanwhile, the blocking piece 10 arranged on one side of the impact block 601 passes through the middle of the transmitting end 7011 and the receiving end 7012 of the infrared sensor 701 to block the transmission of infrared signals, the passing time of the blocking piece 10 is calculated through counting of corresponding pulse signals, and the speed of the impact block 601 at the speed measuring point position can be calculated through combining the height of the blocking piece 10.
preferably, as shown in fig. 1, the suspension assembly 5 further includes a safety hook 503 disposed on one side of the suspension table 502, the impact assembly 6 further includes a safety post 603 disposed on one side of the impact block 601, the safety hook 503 can hook or disengage the safety post 603, and in a non-test state, the safety hook 503 is used to hook the safety post 603, so as to prevent the impact block 601 from falling down due to power failure of the electromagnet in the non-test state.
Preferably, as shown in fig. 2, the speed measuring assembly 7 further includes a mounting bracket 702, a fixing device 703 and a supporting base 704, the infrared sensor 701 is connected to the mounting bracket 702, the mounting bracket 702 is slidably connected to the supporting base 704, and the fixing device 703 is screwed on the mounting bracket 702. During the test, the fixing device 703 is screwed down and the fixing device 703 abuts against the supporting seat 704, so that the mounting bracket 702 is fastened on the supporting seat 704 to avoid loosening; when the height of the mounting bracket 702 needs to be adjusted, the fixing device 703 is loosened to enable the mounting bracket 702 to slide on the supporting base 704.
Preferably, universal wheels are arranged below the chassis 2, so that the whole equipment can be moved conveniently.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (8)
1. A drop impact test apparatus, comprising:
The frame assembly comprises a base plate, an upper frame positioned above the base plate and a supporting rod for connecting the base plate and the upper frame;
The suspension assembly comprises a suspension rope and a suspension platform which is connected with the suspension rope and can move up and down, and the suspension rope can adjust the height of the suspension platform;
the impact assembly comprises an impact block and a blocking piece arranged on one side of the impact block, and the impact assembly is arranged below the suspension table and used for freely dropping an impact test article from a high place;
the electromagnet is arranged in the suspension platform, and the electromagnet is electrified to enable the impact assembly to be subjected to an acting force which is vertically upward, so that the impact assembly is tightly attached to the lower surface of the suspension platform;
The speed measuring assembly is arranged on the chassis and comprises an infrared sensor, the infrared sensor comprises a transmitting end and a receiving end which are arranged along the horizontal direction, and the speed of the impact block passing through a preset position is measured by a separation blade passing through the transmitting end and the receiving end.
2. A drop impact test apparatus according to claim 1, wherein said suspension assembly further comprises a magnetic suction port provided in said suspension table, said electromagnet being provided in said magnetic suction port, said impact assembly further comprising a suction block attached to an upper surface of said impact block, said electromagnet being capable of inserting or detaching said suction block from said magnetic suction port when said electromagnet is turned on or off.
3. A drop impact test device according to claim 1, wherein the suspension assembly further comprises a safety hook provided on one side of the suspension table, and the impact assembly further comprises a safety post provided on one side of the impact block, the safety hook being capable of selectively hooking or unhooking the safety post.
4. A drop impact test apparatus according to claim 1, wherein said frame assembly further comprises two guide rods, one end of said guide rods being connected to said top frame and the other end of said guide rods being connected to said bottom pan; the suspension table and the impact assembly are both provided with guide holes for the guide rods to pass through.
5. A drop impact test apparatus according to claim 1, further comprising a fixing assembly, said fixing assembly comprising two screws and a base connected to the upper surface of said chassis, said base being provided with two threaded bores which are collinear and extend in a horizontal direction, said screws being in threaded engagement with said threaded bores for adjusting the position of the impacted object located between said two threaded bores.
6. A drop impact test device according to claim 1, wherein a motor is provided in the top frame, the motor being connected to the suspension rope for lifting the suspension platform.
7. The drop impact test device of claim 1, wherein the velocity measurement assembly further comprises a mounting bracket, a fixture and a support base, the infrared sensor is connected to the mounting bracket, and the mounting bracket is slidably connected to the support base for adjusting the height of the infrared sensor; the fixing device is in threaded connection with the mounting bracket so that the mounting bracket can be fixed or slide relative to the supporting seat.
8. a drop impact test apparatus according to claim 1, wherein universal wheels are provided under the chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920739704.9U CN209764375U (en) | 2019-05-21 | 2019-05-21 | Falling impact test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920739704.9U CN209764375U (en) | 2019-05-21 | 2019-05-21 | Falling impact test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209764375U true CN209764375U (en) | 2019-12-10 |
Family
ID=68761788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920739704.9U Expired - Fee Related CN209764375U (en) | 2019-05-21 | 2019-05-21 | Falling impact test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209764375U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112304638A (en) * | 2020-10-30 | 2021-02-02 | 广州汽车集团股份有限公司 | Pedestrian protection aPLI leg dynamic calibration device and method |
| CN113340555A (en) * | 2021-06-07 | 2021-09-03 | 合肥市菲力克斯电子科技有限公司 | Transformer detection device that shocks resistance |
| CN113466063A (en) * | 2021-05-24 | 2021-10-01 | 长安大学 | Drop hammer impact test platform |
| CN114705088A (en) * | 2022-03-22 | 2022-07-05 | 上海汉未科技有限公司 | Inertia switch testing device and testing method |
-
2019
- 2019-05-21 CN CN201920739704.9U patent/CN209764375U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112304638A (en) * | 2020-10-30 | 2021-02-02 | 广州汽车集团股份有限公司 | Pedestrian protection aPLI leg dynamic calibration device and method |
| CN113466063A (en) * | 2021-05-24 | 2021-10-01 | 长安大学 | Drop hammer impact test platform |
| CN113340555A (en) * | 2021-06-07 | 2021-09-03 | 合肥市菲力克斯电子科技有限公司 | Transformer detection device that shocks resistance |
| CN114705088A (en) * | 2022-03-22 | 2022-07-05 | 上海汉未科技有限公司 | Inertia switch testing device and testing method |
| CN114705088B (en) * | 2022-03-22 | 2023-08-22 | 上海汉未科技有限公司 | Inertial switch testing device and testing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 |