CN114136766A - Falling ball impact experimental device capable of accurately positioning falling point - Google Patents
Falling ball impact experimental device capable of accurately positioning falling point Download PDFInfo
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- CN114136766A CN114136766A CN202111524581.5A CN202111524581A CN114136766A CN 114136766 A CN114136766 A CN 114136766A CN 202111524581 A CN202111524581 A CN 202111524581A CN 114136766 A CN114136766 A CN 114136766A
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- 238000002474 experimental method Methods 0.000 claims abstract description 16
- 230000003287 optical effect Effects 0.000 claims description 30
- 238000000034 method Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009863 impact test Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
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- 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
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- 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
- G01N3/04—Chucks
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- 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
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Abstract
The invention provides a falling ball impact experimental device capable of precisely positioning a falling point, which comprises: objective table, lift seat, actuating mechanism, laser pen and be used for carrying out the fixture of centre gripping action, wherein: the object stage is horizontally movably arranged on the base; the upright post is positioned at one side of the objective table and is fixed with the base; the lifting seat is arranged on the upright post and can vertically move up and down under the driving of the driving mechanism; the clamping mechanism is positioned above the objective table and is arranged on the lifting seat; the laser pen is located the top of fixture and installs on the lift seat, and the laser that the laser pen sent is perpendicular downwards. The invention utilizes the laser emitted by the laser pen to guide the ball drop point, so that the position irradiated by the laser point on the surface of the sample to be detected is the landing position of the quality ball, and the goal that the ball drop point can be accurately selected in the ball drop impact experiment is further realized.
Description
Technical Field
The invention relates to the technical field of glassware experimental equipment, in particular to a falling ball impact experimental device capable of precisely positioning a falling point.
Background
The falling ball impact test is a test for measuring the energy required by a product or a material to crack under the falling ball impact by carrying out free falling motion on balls with specified mass from different heights or carrying out free falling motion on balls with different masses under the specified heights. When the quality of glass products (Cell, TP/CG and the like) is monitored and detected, a falling ball impact experiment device is often needed to perform an impact experiment on the glass products so as to obtain the impact resistance parameters of the glass products. Although the falling ball experimental device in the current market is various and can be divided into a baffle type, an electromagnetic adsorption type, a spring boosting type and the like according to the launching mode of the mass ball, no falling ball impact experimental device can meet the requirement of accurate landing. Therefore, accurate data cannot be obtained in an application scene of testing impact resistance parameters of certain fixed point positions of the glass product, namely the experimental accuracy is not high. Therefore, the existing ball-falling experimental device can not meet the requirement of a customer on high accuracy of a falling point.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a falling ball impact experimental device capable of precisely positioning a falling point.
The invention provides a falling ball impact experimental device capable of precisely positioning a falling point, which comprises: objective table, lift seat, actuating mechanism, laser pen and be used for carrying out the fixture of centre gripping action, wherein:
the object stage is horizontally movably arranged on the base; the upright post is positioned at one side of the objective table and is fixed with the base; the lifting seat is arranged on the upright post and can vertically move up and down under the driving of the driving mechanism; the clamping mechanism is positioned above the objective table and is arranged on the lifting seat; the laser pen is located the top of fixture and installs on the lift seat, and the laser that the laser pen sent is perpendicular downwards.
Preferably, the lifting seat is provided with a vertically fixed support, the support is provided with a mounting seat, the laser pen can horizontally move on the mounting seat, and the mounting seat is provided with an adjusting rod for adjusting the horizontal movement of the laser pen.
Preferably, the mounting seat comprises an upper seat part and a lower seat part, the upper seat part is fixed with the bracket, the lower seat part is positioned below the upper seat part and is in sliding assembly with the upper seat part, and the laser pen is positioned below the lower seat part and is in sliding assembly with the lower seat part; the adjusting rod comprises a first adjusting rod and a second adjusting rod, the first adjusting rod is installed on the upper seat portion and used for pushing the lower seat portion to horizontally move along the X-axis direction, and the second adjusting rod is installed on the lower seat portion and used for pushing the laser pen to horizontally move along the Y-axis direction.
Preferably, the lifting seat comprises a support plate and a box body, the support plate is installed on the upright post in a vertically sliding manner, and a first power unit is installed on the support plate; the box body is fixedly arranged on the supporting plate, the top of the box body is provided with a feeding opening, and the bottom plate of the box body is a movable plate which can be pulled outwards to open the bottom of the box body; the first power unit is connected with the bottom plate of the box body and used for driving the bottom plate of the box body to perform drawing movement; the clamping mechanism comprises a first clamping block, a second clamping block and a second power unit, wherein the first clamping block and the second clamping block are positioned in the box body and are oppositely arranged at two sides of the putting-in opening; the second power unit is fixedly arranged on the supporting plate and used for driving the first clamping block and the second clamping block to execute clamping action.
Preferably, one of the first clamping block and the second clamping block is a V-shaped block, and the other one is a plane block.
Preferably, the clamping mechanism further comprises a supporting block and a guide rod, and the first clamping block is positioned on one side of the supporting block and opposite to the first clamping block; the second clamping block is positioned between the supporting block and the first clamping block; one end of each guide rod is fixed with the supporting block, the other end of each guide rod passes through the second clamping block and is fixed with the first clamping block, two guide rods are arranged, and the two guide rods are oppositely arranged on two sides of the throwing opening; the second power unit is connected with the second clamping block to drive the second clamping block to slide back and forth on the guide rod.
Preferably, the box body comprises a first side plate, a second side plate opposite to the first side plate, and a top plate which is positioned above the first side plate and the second side plate and is connected with the first side plate and the second side plate; the top plate is provided with a through port to form a throwing port; the bottom plate is positioned below the first side plate and the second side plate and is in sliding connection with the first side plate and the second side plate; the supporting block is located one side of first curb plate and second curb plate and connects the two in order to form the one side lateral wall of box body, and first grip block is located the opposite side of first curb plate and second curb plate and connects the two in order to form the another side lateral wall of box body.
Preferably, the base comprises a fixed seat and a sliding seat, the fixed seat is provided with a first sliding rail arranged along the X-axis direction, and the sliding seat is positioned on the fixed seat and is assembled with the first sliding rail in a sliding manner; the sliding seat is provided with a second sliding rail arranged along the Y-axis direction, and the objective table is positioned on the sliding seat and is assembled with the second sliding rail in a sliding manner; the stand is located one side of first slide rail and is fixed with the fixing base.
Preferably, the first slide rail comprises a first left slide rail and a first right slide rail which are oppositely arranged; a first lead screw which is parallel to the first left slide rail and the first right slide rail and is rotatably assembled with the fixed seat is arranged on the fixed seat and between the first left slide rail and the first right slide rail, and a first rotary disc is arranged at one end of the first lead screw; the sliding seat is fixed with a first nut on the first lead screw.
Preferably, the second slide rail comprises a second left slide rail and a second right slide rail which are oppositely arranged; a second lead screw which is parallel to the second left slide rail and the second right slide rail and is rotatably assembled with the slide seat is arranged on the slide seat and between the second left slide rail and the second right slide rail, and a second rotary table is arranged at one end of the second lead screw; the object stage is fixed with a second nut on the second lead screw.
Preferably, the upright post is provided with a first optical axis, a second optical axis and a third lead screw, wherein the first optical axis and the second optical axis are arranged along the Z-axis direction, and the third lead screw is positioned between the first optical axis and the second optical axis and is parallel to the first optical axis and the second optical axis; the lifting seat is respectively connected with the first optical axis and the second optical axis in a sliding manner and fixed with a third nut on a third screw rod; the driving mechanism comprises a motor, the motor is fixed at the top of the upright post, and an output shaft of the motor is fixedly connected with the third lead screw.
Preferably, the bottom plate of the fixed seat is provided with a roller.
Preferably, the upright post is provided with a vertically fixed scale.
In the invention, the laser emitted by the laser pen is used for guiding the ball drop point, so that the position irradiated by the laser point on the surface of the sample to be detected is the landing position of the quality ball, and the aim that the ball drop point can be accurately selected in the ball drop impact experiment is further realized.
Drawings
Fig. 1 is a front isometric view of a falling ball impact experimental device capable of precisely positioning a falling point according to the present invention.
Fig. 2 is a back perspective view of a falling ball impact experimental device capable of precisely positioning a falling point according to the present invention.
Fig. 3 is a schematic structural diagram of the lifting seat in the falling ball impact experiment device capable of precisely positioning the falling point according to the present invention.
Fig. 4 is a schematic structural diagram of the clamping mechanism in the drop ball impact experiment device capable of precisely positioning the drop point according to the present invention.
Fig. 5 is a schematic view of an installation of the laser pen in the drop ball impact experiment apparatus capable of accurately positioning a drop point according to the present invention.
Detailed Description
Referring to fig. 1-2, the invention provides a falling ball impact experimental device capable of precisely positioning a falling point, comprising: objective table 1, stand 9, lift seat 2, actuating mechanism 3, laser pen 4, base 5 and be used for carrying out the fixture of centre gripping action, wherein: the objective table 1 is horizontally movably arranged on the base 5; the upright 9 is positioned at one side of the object stage 1 and fixed with the base 5.
The lifting seat 2 is arranged on the upright post 9 and can vertically move up and down under the driving of the driving mechanism 3. The clamping mechanism is positioned above the objective table 1 and is arranged on the lifting seat 2; the laser pen 4 is located above the clamping mechanism and is installed on the lifting seat 2, and laser emitted by the laser pen 4 is vertically downward.
When a falling ball impact experiment is carried out, a clamping mechanism is used for fixing a mass ball, and an objective table 1 is used for supporting a sample to be tested; then, the driving mechanism 3 is used for driving the lifting seat 2 to lift to a specified height, and the spherical center of the quality ball and the part to be detected of the sample to be detected are both positioned on a laser line emitted by the laser pen 4; and finally, the clamping mechanism loosens the fixation of the mass ball, and the mass ball vertically falls down to hit the test part.
Therefore, the invention guides the ball drop point by using the laser emitted by the laser pen 4, so that the position irradiated by the laser point on the surface of the sample to be detected is the drop position of the quality ball, and the aim that the drop point can be accurately selected in the ball drop impact experiment is fulfilled.
Referring to fig. 3-4, the lifting seat 2 includes a support plate 201 and a box 202, the support plate 201 is slidably mounted on the upright post 9, and the support plate 201 is mounted with the first power unit 10; the box body 202 is fixedly arranged on the supporting plate 201, the top of the box body 202 is provided with a feeding opening 2021, and the bottom plate 2022 of the box body 202 is a movable plate which can be pulled outwards to open the bottom of the box body 202; the first power unit 10 is connected with the bottom plate 2022 of the box body 202 to drive the bottom plate 2022 of the box body 202 to perform drawing movement; the clamping mechanism comprises a first clamping block 11, a second clamping block 12 and a second power unit 13, wherein the first clamping block 11 and the second clamping block 12 are both positioned in the box body 202 and are oppositely arranged at two sides of the feeding port 2021; the second power unit 13 is fixedly mounted on the supporting plate 201 for driving the first clamping block 11 and the second clamping block 12 to perform a clamping action.
When a ball drop impact test is performed, the mass balls are directly put into the box 202 through the putting opening 2021. Then, the second power unit 13 drives the first clamping block 11 and the second clamping block 12 to act so as to clamp the mass ball; then, the first power unit 10 is operated to pull the bottom plate 2022 outward, so that the bottom of the case 202 is opened, and the mass ball can fall freely after the clamping mechanism is released.
Specifically, the method comprises the following steps: one of the first clamping block 11 and the second clamping block 12 is a V-shaped block, and the other is a plane block. So that the two form three-point contact type clamping for the mass ball during clamping.
Specifically, the method comprises the following steps: the clamping mechanism further comprises a supporting block 14 and a guide rod 15, and the first clamping block 11 is located on one side of the supporting block 14 and opposite to the first clamping block 11; the second clamping block 12 is positioned between the supporting block 14 and the first clamping block 11; one end of each guide rod 15 is fixed with the supporting block 14, the other end of each guide rod 15 passes through the second clamping block 12 and is fixed with the first clamping block 11, two guide rods 15 are arranged, and the two guide rods 15 are oppositely arranged on two sides of the throwing-in opening 2021; the second power unit 13 is connected with the second clamping block 12 to drive the second clamping block 12 to slide back and forth on the guide rod 15, so as to realize clamping and loosening actions.
Specifically, the method comprises the following steps: the box 202 comprises a first side plate, a second side plate opposite to the first side plate, and a top plate located above and connecting the first side plate and the second side plate; a through port is arranged on the top plate to form a feeding port 2021; the bottom plate 2022 is located below the first side plate and the second side plate and is connected with the first side plate and the second side plate in a sliding manner; the supporting block 14 is located at one side of the first side plate and the second side plate and connects the two to form one side wall of the box body 202, and the first clamping block 11 is located at the other side of the first side plate and the second side plate and connects the two to form the other side wall of the box body 202.
In this embodiment, the base 5 includes a fixed seat 501 and a sliding seat 502, the fixed seat 501 is provided with a first sliding rail arranged along the X-axis direction, and the sliding seat 502 is located on the fixed seat 501 and is assembled with the first sliding rail in a sliding manner; a second sliding rail arranged along the Y-axis direction is arranged on the sliding seat 502, and the objective table 1 is positioned on the sliding seat 502 and is assembled with the second sliding rail in a sliding manner; the upright post 9 is located at one side of the first slide rail and fixed with the fixing seat 501. When a falling ball impact experiment is carried out, the specific working mode is as follows:
opening a laser pen 4, fixing a sample or material to be measured on an objective table 1, marking a point position to be tested on the surface of the sample or material to be measured by using the pen, and enabling the point position to coincide with a laser point by moving the position of the objective table 1; putting the quality ball into the box body 202, and enabling the center of the quality ball to coincide with the laser point; after the lifting seat 2 is lifted to a designated test height, the bottom plate 2022 is pulled out by the first power unit 10, so that the bottom of the box body 202 is in an open state; then, the second power unit 13 is used to drive the second clamping block 12 to retract rapidly to release the clamping of the mass ball, so that the mass ball falls vertically.
Specifically, the method comprises the following steps: the first slide rail comprises a first left slide rail and a first right slide rail which are oppositely arranged; a first lead screw which is parallel to the first left slide rail and the first right slide rail and is rotatably assembled with the fixed seat 501 is arranged on the fixed seat 501 and between the first left slide rail and the first right slide rail, and a first rotary disc 16 is arranged at one end of the first lead screw; the sliding seat 502 is fixed with a first nut on the first lead screw. The first turntable 16 is rotated to push the sliding seat 502 to move in the X-axis direction.
Similarly, the second slide rail comprises a second left slide rail and a second right slide rail which are oppositely arranged; a second lead screw which is parallel to the second left slide rail and the second right slide rail and is rotatably assembled with the slide seat 502 is arranged on the slide seat 502 and between the second left slide rail and the second right slide rail, and a second rotary table 17 is arranged at one end of the second lead screw; the object stage 1 is fixed with a second nut on a second lead screw. The movement of the object table 1 in the Y-axis direction can be pushed by rotating the second turntable 17.
Similarly, the upright post 9 is provided with a first optical axis, a second optical axis and a third lead screw, wherein the first optical axis and the second optical axis are arranged along the Z-axis direction, and the third lead screw is positioned between the first optical axis and the second optical axis and is parallel to the first optical axis and the second optical axis; the lifting seat 2 is respectively connected with the first optical axis and the second optical axis in a sliding manner and fixed with a third nut on a third screw rod; the driving mechanism 3 comprises a motor, the motor is fixed at the top of the upright post 9, and an output shaft of the motor is fixedly connected with the third lead screw. The motor drives the third screw rod to rotate, so that the lifting seat 2 can move in the Z-axis direction.
In addition, in order to facilitate the movement of the experimental device, the roller is further installed at the bottom of the fixing seat 501 in the present embodiment.
In order to observe the lifting height of the movable base 2, the present embodiment further includes a scale provided on the column 9.
Referring to fig. 5, a vertically fixed support 6 is arranged on the lifting seat 2, a mounting seat 7 is arranged on the support 6, the laser pen 4 can horizontally move on the mounting seat 7, and an adjusting rod 8 for adjusting the horizontal movement of the laser pen 4 is arranged on the mounting seat 7. So as to fine-tune the position of the laser pen 4 by means of the adjustment lever 8.
Specifically, the method comprises the following steps: the mounting seat 7 comprises an upper seat part and a lower seat part, the upper seat part is fixed with the bracket 6, the lower seat part is positioned below the upper seat part and is assembled with the upper seat part in a sliding manner, and the laser pen 4 is positioned below the lower seat part and is assembled with the lower seat part in a sliding manner; the adjusting rod 8 includes a first adjusting rod mounted on the upper seat portion for pushing the lower seat portion to horizontally move along the X-axis direction, and a second adjusting rod mounted on the lower seat portion for pushing the laser pen 4 to horizontally move along the Y-axis direction. So that the first adjusting rod and the second adjusting rod are matched to realize the fine adjustment of the laser pen 4 in the X-axis direction and the Y-axis direction.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a can drop ball impact experimental apparatus of accurate location which characterized in that includes: objective table (1), stand (9), lift seat (2), actuating mechanism (3), laser pen (4), base (5) and be used for carrying out the fixture of centre gripping action, wherein:
the objective table (1) is horizontally movably arranged on the base (5); the upright post (9) is positioned at one side of the objective table (1) and is fixed with the base (5); the lifting seat (2) is arranged on the upright post (9) and can vertically move up and down under the driving of the driving mechanism (3); the clamping mechanism is positioned above the objective table (1) and is arranged on the lifting seat (2); the laser pen (4) is positioned above the clamping mechanism and is arranged on the lifting seat (2), and laser emitted by the laser pen (4) is vertically downward.
2. The falling ball impact experiment device capable of precisely positioning the falling point is characterized in that the lifting seat (2) comprises a support plate (201) and a box body (202), the support plate (201) is installed on the upright post (9) in a vertically sliding manner, and the support plate (201) is provided with a first power unit (10); the box body (202) is fixedly arranged on the supporting plate (201), the top of the box body (202) is provided with a feeding opening (2021), and the bottom plate (2022) of the box body (202) is a movable plate which can be pulled outwards to open the bottom of the box body (202); the first power unit (10) is connected with the bottom plate (2022) of the box body (202) and is used for driving the bottom plate (2022) of the box body (202) to perform drawing movement; the clamping mechanism comprises a first clamping block (11), a second clamping block (12) and a second power unit (13), the first clamping block (11) and the second clamping block (12) are both positioned in the box body (202), and the first clamping block and the second clamping block are oppositely arranged on two sides of the throwing opening (2021); the second power unit (13) is fixedly arranged on the supporting plate (201) and is used for driving the first clamping block (11) and the second clamping block (12) to perform clamping action.
3. The drop ball impact experimental device capable of precisely positioning the drop point is characterized in that one of the first clamping block (11) and the second clamping block (12) is a V-shaped block, and the other is a plane block.
4. The drop ball impact experimental device capable of precisely positioning the drop point is characterized in that the clamping mechanism further comprises a supporting block (14) and a guide rod (15), the first clamping block (11) is positioned on one side of the supporting block (14) and is opposite to the first clamping block (11); the second clamping block (12) is positioned between the supporting block (14) and the first clamping block (11); one end of each guide rod (15) is fixed with the supporting block (14), the other end of each guide rod passes through the second clamping block (12) and is fixed with the first clamping block (11), two guide rods (15) are arranged, and the two guide rods (15) are oppositely arranged on two sides of the throwing-in opening (2021); the second power unit (13) is connected with the second clamping block (12) to drive the second clamping block (12) to slide back and forth on the guide rod (15).
5. The drop point fine positioning drop ball impact experimental device according to claim 4, wherein the box body (202) comprises a first side plate, a second side plate opposite to the first side plate, and a top plate located above and connecting the first side plate and the second side plate; the top plate is provided with a through port to form a feeding port (2021); the bottom plate (2022) is positioned below the first side plate and the second side plate and is connected with the first side plate and the second side plate in a sliding way; the supporting block (14) is positioned on one side of the first side plate and the second side plate and connected with the first side plate and the second side plate to form one side wall of the box body (202), and the first clamping block (11) is positioned on the other side of the first side plate and the second side plate and connected with the first side plate and the second side plate to form the other side wall of the box body (202).
6. The falling ball impact experiment device capable of precisely positioning the falling point according to claim 1, wherein the base (5) comprises a fixed seat (501) and a sliding seat (502), the fixed seat (501) is provided with a first sliding rail arranged along the X-axis direction, and the sliding seat (502) is positioned on the fixed seat (501) and is slidably assembled with the first sliding rail; a second sliding rail arranged along the Y-axis direction is arranged on the sliding seat (502), and the objective table (1) is positioned on the sliding seat (502) and is assembled with the second sliding rail in a sliding manner; the upright post (9) is positioned at one side of the first slide rail and is fixed with the fixed seat (501);
preferably, the first slide rail comprises a first left slide rail and a first right slide rail which are oppositely arranged; a first lead screw which is parallel to the first left sliding rail and the first right sliding rail and is rotatably assembled with the fixed seat (501) is arranged on the fixed seat (501) and between the first left sliding rail and the first right sliding rail, and a first rotary disc (16) is arranged at one end of the first lead screw; the sliding seat (502) is fixed with a first nut on the first lead screw;
preferably, the second slide rail comprises a second left slide rail and a second right slide rail which are oppositely arranged; a second screw rod which is parallel to the second left sliding rail and the second right sliding rail and is rotatably assembled with the sliding seat (502) is arranged on the sliding seat (502) and between the second left sliding rail and the second right sliding rail, and a second turntable (17) is arranged at one end of the second screw rod; the objective table (1) is fixed with a second nut on a second screw rod;
preferably, the upright post (9) is provided with a first optical axis, a second optical axis and a third lead screw, wherein the first optical axis and the second optical axis are arranged along the Z-axis direction, and the third lead screw is positioned between the first optical axis and the second optical axis and is parallel to the first optical axis and the second optical axis; the lifting seat (2) is respectively connected with the first optical axis and the second optical axis in a sliding manner and fixed with a third nut on a third screw rod; the driving mechanism (3) comprises a motor, the motor is fixed at the top of the upright post (9), and an output shaft of the motor is fixedly connected with the third lead screw.
7. The falling ball impact experiment device capable of precisely positioning the falling point is characterized in that the bottom of the base (5) is provided with a roller.
8. The falling ball impact experiment device capable of precisely positioning the falling point is characterized in that a vertically fixed scale is arranged on the upright post (9).
9. The falling ball impact experiment device capable of precisely positioning the falling point according to any one of claims 1 to 8, wherein a vertically fixed bracket (6) is arranged on the lifting seat (2), a mounting seat (7) is arranged on the bracket (6), the laser pen (4) can horizontally move on the mounting seat (7), and an adjusting rod (8) for adjusting the horizontal movement of the laser pen (4) is arranged on the mounting seat (7).
10. The drop ball impact experiment device capable of precisely positioning the drop point is characterized in that the mounting seat (7) comprises an upper seat part and a lower seat part, the upper seat part is fixed with the bracket (6), the lower seat part is positioned below the upper seat part and is in sliding assembly with the upper seat part, and the laser pen (4) is positioned below the lower seat part and is in sliding assembly with the lower seat part; the adjusting rod (8) comprises a first adjusting rod and a second adjusting rod, the first adjusting rod is installed on the upper seat portion and used for pushing the lower seat portion to horizontally move along the X-axis direction, and the second adjusting rod is installed on the lower seat portion and used for pushing the laser pen (4) to horizontally move along the Y-axis direction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111524581.5A CN114136766A (en) | 2021-12-14 | 2021-12-14 | Falling ball impact experimental device capable of accurately positioning falling point |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111524581.5A CN114136766A (en) | 2021-12-14 | 2021-12-14 | Falling ball impact experimental device capable of accurately positioning falling point |
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