CN112683482A - Gas cylinder drop impact test stand - Google Patents
Gas cylinder drop impact test stand Download PDFInfo
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- CN112683482A CN112683482A CN202110091179.6A CN202110091179A CN112683482A CN 112683482 A CN112683482 A CN 112683482A CN 202110091179 A CN202110091179 A CN 202110091179A CN 112683482 A CN112683482 A CN 112683482A
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Abstract
The invention belongs to the technical field of gas cylinder tests, and particularly relates to a gas cylinder drop impact test stand which comprises a platform, wherein a strip-shaped impact head is detachably mounted on the platform, two supports are respectively arranged at two ends of the platform, two mutually symmetrical turning plates are rotatably mounted between the two supports, two connecting rods are further connected to the two supports, a driven gear is mounted at the end part of one end of each turning plate, a driving gear and a transmission gear which are meshed with each other are rotatably mounted on the supports, the two driven gears are respectively meshed with the driving gear and the transmission gear, an inverted U-shaped frame is mounted on one of the supports, a clutch and a controllable motor are mounted on the inverted U-shaped frame, a rotating shaft is fixedly mounted on an output shaft of the controllable motor. The purpose is as follows: through mutually supporting of controllable motor and clutch, control two and turn over the board, and then control and place whether the gas cylinder between two turns over the board falls, carries out gas cylinder drop impact test, simple structure, convenient to use.
Description
Technical Field
The invention belongs to the technical field of gas cylinder tests, and particularly relates to a gas cylinder drop impact test stand.
Background
In the gas cylinder type test, a gas cylinder drop impact test is a key test step.
The gas cylinder drop impact test comprises a plane impact test and a punch impact test, wherein the plane impact test requires that the gas cylinder firstly falls from a height of 3m in a posture parallel to the ground; then falls from the height of 3m in a posture of 45 degrees with the ground, and the impact point is the edge of the bottle shoulder.
The punch impact test requires that the axis of the gas cylinder at the height of 1.2m is parallel to the punch and falls, and then the axis of the gas cylinder at the height of 1.2m is perpendicular to the punch and falls, and the interval between two impact points is at least 45 degrees.
In above-mentioned experiment, current device generally uses the manipulator arm to carry out the centre gripping to the gas cylinder, then utilizes the manipulator arm to promote the gas cylinder, loosens the centre gripping at last again for the gas cylinder freely falls, and so far, the inventor provides another kind of test bench and carries out impact test to the gas cylinder.
Disclosure of Invention
The purpose of the invention is: aim at providing a gas cylinder drop impact test platform, through mutually supporting of controllable motor and clutch, control two and turn over the board, and then control and place whether the gas cylinder between two turns over the board falls, carries out gas cylinder drop impact test, simple structure, convenient to use.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a gas cylinder drop impact test platform, includes the platform, demountable installation has the strip to strike the head on the platform, the both ends of platform all are equipped with the support, two rotate between the support and install two mutual symmetries turn over the board, two still be connected with two connecting rods on the support, turn over the tip of board one end and install driven gear, rotate on the support and install intermeshing's driving gear and drive gear, two driven gear meshes with driving gear and drive gear respectively, one of them install the frame of falling the U-shaped on the support, install clutch and controllable motor on the frame of falling the U-shaped, fixed mounting has the axis of rotation on the output shaft of controllable motor, the axis of rotation passes through clutch and driving gear transmission connection.
The clutch comprises a first chuck, a second chuck, a hinged rod, a telescopic cylinder, a stirring ring and a sliding sleeve, wherein the first chuck is arranged on the end surface of the driving gear, a plurality of clamping grooves are radially formed in the end surface of the first chuck, which is far away from one end of the driving gear, the hinged rod is hinged with the middle part of the inverted U-shaped frame, the telescopic rod of the telescopic cylinder is hinged with the hinged rod, the cylinder body is hinged with the inverted U-shaped frame, a fork body is fixedly arranged at the lower end of the hinged rod, the stirring ring is positioned in the fork body, a notch is formed in the lower end of the fork body, bosses are arranged at the two ends of the stirring ring and penetrate through the notches, the sliding sleeve is rotatably arranged in the stirring ring, an internal spline is formed in the inner wall of the sliding sleeve, the second chuck is arranged at one end, which is far away from the stirring ring, of the second chuck, the clamping strip is clamped in the clamping groove, and the outer wall of the rotating shaft is provided with an external spline. Such structural design constitutes the clutch through first chuck, second chuck, hinge bar, telescopic cylinder, stirring ring and sliding sleeve, simple structure, and the transmission is stable, and the practicality is strong.
Further limited, the support is a liftable support. Such structural design can be as required, highly adjust turning over the board for place the gas cylinder on two blocks of turning over boards, can drop on the height of difference.
Further inject, one of them install the riser on the support, the backup plate is installed to the riser upper end, one of them the outer wall that turns over the board is equipped with arc fixture block. Such structural design, when the second step of the plane impact among the shock-testing is experimental, can place the shoulder of gas cylinder at the arc fixture block, the afterbody leans on the backup plate for the gas cylinder is 45 gestures with ground, at last after the second chuck breaks away from first chuck, turn over the board and overturn downwards under the effect of self gravity, turn over the board promptly and no longer provide the holding power to the gas cylinder, at this moment, the gas cylinder is under the effect of self gravity, is the free fall motion, accomplish plane shock-testing's second step.
Further, the arc-shaped fixture blocks are multiple. The structural design can support the gas cylinders with different specifications, so that the gas cylinders with different specifications can be kept in a 45-degree posture with the ground when the test is carried out, and the application range is wide.
Further, the backup plate is inclined from bottom to top toward the platform. By the structural design, when the second step of the plane impact test is carried out, the contact surface between the tail part of the gas cylinder and the backup plate is in a point shape, and after the turnover plate is turned over, the tail part of the gas cylinder is also separated from the backup plate, so that the problem that the backup plate rubs the gas cylinder in the falling process of the gas cylinder to cause the gas cylinder to incline and cannot keep a posture of 45 degrees with the ground is solved.
Further inject, the strip-shaped groove has transversely been seted up to the medial surface lower part of turning over the board, the backing roll is installed to the strip-shaped inslot internal rotation. Such structural design, when placing the gas cylinder between two turns over the board, turn over the board and support the gas cylinder through the backing roll for when the gas cylinder carries out secondary impact head test, place the gas cylinder on turning over the board after, can overturn the gas cylinder more easily, and then reach in the impact head test, the impact point of twice impact, the experimental requirement of interval 45 at least on the gas cylinder.
Further defined, the platform edge is mounted with a guardrail. Due to the structural design, the gas cylinder can be prevented from rebounding and jumping out of the platform after being impacted on the platform, and the safety of the test is improved.
The invention adopting the technical scheme has the advantages that:
1. the controllable motor and the clutch are matched with each other to control the two turning plates, so that whether the gas cylinder placed between the two turning plates falls or not is controlled, a gas cylinder falling impact test is carried out, and the gas cylinder falling impact test device is simple in structure and convenient to use;
2. through mutual meshing of the gears, synchronous turnover of the two turning plates is realized, and the problem that the gas cylinder cannot vertically fall down due to the fact that the gas cylinder slides along one of the turning plates because the two turning plates are asynchronous is solved;
3. the clutch controls the transmission connection between the controllable motor and the turning plate, and compared with the direct use of the controllable motor and the turning plate, the problem that the accuracy of the test is influenced because the initial speed of the rotation of the controllable motor is insufficient when the controllable motor reversely rotates to release the gas cylinder, and the gas cylinder moves at an acceleration smaller than the acceleration of gravity in advance is solved;
4. through the mutual cooperation of backup plate and arc fixture block for this test bench can carry out the second step test of plane impact among the impact test, need not to add equipment in addition again, practices thrift equipment cost.
Drawings
The invention is further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a first schematic structural diagram of an embodiment of a gas cylinder drop impact test stand according to the present invention;
FIG. 2 is a schematic structural diagram II of an embodiment of a gas cylinder drop impact test stand according to the invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
FIG. 4 is a schematic structural diagram of a clutch part in an embodiment of a gas cylinder drop impact test stand according to the invention;
FIG. 5 is a schematic diagram of an exploded structure of a clutch part in an embodiment of a gas cylinder drop impact test stand according to the invention;
FIG. 6 is a first structural schematic diagram of a turning plate in an embodiment of a gas cylinder drop impact test bed according to the invention;
FIG. 7 is a third schematic structural view of an embodiment of a gas cylinder drop impact test stand according to the present invention;
FIG. 8 is a second structural schematic diagram of a turning plate in an embodiment of a gas cylinder drop impact test bed of the invention;
the main element symbols are as follows:
a platform 1, a strip-shaped impact head 11, a guardrail 12,
The support 2, a driving gear 201, a transmission gear 202, a connecting rod 21, an inverted U-shaped frame 22, a hinge rod 23, a fork 231, a notch 2310, a telescopic cylinder 24, a toggle ring 25, a boss 250, a sliding sleeve 26, an internal spline 260, a connecting rod and a connecting rod,
The turning plate 3, the supporting roller 30, the driven gear 31, the first chuck 321, the slot 3210, the second chuck 322, the clamping bar 3220, the controllable motor 33, the rotating shaft 331,
A vertical plate 4, a backup plate 41 and an arc-shaped clamping block 42.
Detailed Description
The present invention will be described in detail with reference to the drawings and specific embodiments, wherein like reference numerals are used for similar or identical parts in the drawings or the description, and implementations not shown or described in the drawings are known to those of ordinary skill in the art. In addition, directional terms, such as "upper", "lower", "top", "bottom", "left", "right", "front", "rear", and the like, used in the embodiments are only directions referring to the drawings, and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 8, the gas cylinder drop impact test stand comprises a platform 1, a strip-shaped impact head 11 is detachably mounted on the platform 1, two supports 2 are respectively arranged at two ends of the platform 1, two mutually symmetrical turning plates 3 are rotatably mounted between the two supports 2, two connecting rods 21 are further connected to the two supports 2, a driven gear 31 is mounted at an end of one end of each turning plate 3, a driving gear 201 and a transmission gear 202 which are mutually engaged are rotatably mounted on the supports 2, the two driven gears 31 are respectively engaged with the driving gear 201 and the transmission gear 202, an inverted U-shaped frame 22 is mounted on one support 2, a clutch and a controllable motor 33 are mounted on the inverted U-shaped frame 22, a rotating shaft 331 is fixedly mounted on an output shaft of the controllable motor 33, and the rotating shaft 331 is in transmission connection with the driving gear 201 through the clutch.
The clutch comprises a first chuck 321, a second chuck 322, a hinged rod 23, a telescopic cylinder 24, a toggle ring 25 and a sliding sleeve 26, wherein the first chuck 321 is arranged on the end surface of the driving gear 201, a plurality of clamping grooves 3210 are radially arranged on the end surface of the first chuck 321 far away from one end of the driving gear 201, the hinged rod 23 is hinged with the middle part of the inverted U-shaped frame 22, the telescopic rod of the telescopic cylinder 24 is hinged with the hinged rod 23, the cylinder body is hinged with the inverted U-shaped frame 22, the lower end of the hinged rod 23 is fixedly provided with a fork body 231, the toggle ring 25 is positioned in the fork body 231, the lower end of the fork body 231 is provided with a notch 2310, both ends of the toggle ring 25 are provided with bosses 250, the bosses 250 penetrate through the notch 2310, the sliding sleeve 26 is rotatably arranged in the toggle ring 25, the inner wall of the sliding sleeve 26 is provided with an inner spline 260, the second chuck 322 is arranged on one end of the sliding sleeve 26 far away from the toggle ring 25, the clamping strip 3220 is clamped in the clamping groove 3210, and the outer wall of the rotating shaft 331 is provided with an external spline. Constitute the clutch through first chuck 321, second chuck 322, articulated rod 23, telescopic cylinder 24, stir ring 25 and sliding sleeve 26, simple structure, the transmission is stable, and the practicality is strong.
The support 2 is a lifting support. The height of the turning plates 3 can be adjusted according to requirements, so that the gas cylinders 10 placed on the two turning plates 3 can fall off at different heights.
A vertical plate 4 is installed on one support 2, a backup plate 41 is installed at the upper end of the vertical plate 4, and an arc-shaped clamping block 42 is arranged on the outer wall of one turning plate 3. When carrying out the second step test of the plane impact among the impact test, can place the shoulder of gas cylinder 10 at arc fixture block 42, the afterbody leans on backup plate 41 for gas cylinder 10 is 45 gestures with ground, break away from first chuck 321 after second chuck 322 at last, turn over board 3 and overturn downwards under the effect of self gravity, turn over board 3 promptly and no longer provide the holding power to gas cylinder 10, at this moment, gas cylinder 10 is under the effect of self gravity, do the free fall motion, accomplish the second step of plane impact test.
There are a plurality of arc-shaped fixture blocks 42. The air cylinders 10 with different specifications can be supported, so that the air cylinders 10 with different specifications can be kept in a 45-degree posture with the ground when the test is carried out, and the application range is wide.
The backup plate 41 is inclined from bottom to top toward the platform 1. When the second step of the plane impact test is carried out, the contact surface between the tail part of the gas cylinder 10 and the backup plate 41 is in a point shape, and after the turnover plate 3 is turned over, the tail part of the gas cylinder 10 is also separated from the backup plate 41, so that the problem that the gas cylinder 10 is inclined and can not keep a posture of 45 degrees with the ground due to friction of the backup plate 41 on the gas cylinder 10 in the falling process is avoided.
A strip-shaped groove is transversely formed in the lower portion of the inner side face of the turning plate 3, and a supporting roller 30 is rotatably mounted in the strip-shaped groove. When placing gas cylinder 10 between two turning plates 3, turning plate 3 supports gas cylinder 10 through backing roll 30 for when gas cylinder 10 carries out secondary impact head test, placing gas cylinder 10 on turning plate 3 after, can overturn gas cylinder 10 more easily, and then reach in the impact head test, the impact point of twice impact, the experimental requirement of interval 45 at least on gas cylinder 10.
The platform 1 is provided with guard rails 12 at its edges. The gas cylinder 10 can be prevented from bouncing out of the platform 1 after impacting the platform 1, and the safety of the test is improved.
In this embodiment, when the first step of the plane impact test is performed, the strip-shaped impact head is taken down, the telescopic cylinder 24 is in an extended state, the clamping strip 3220 of the second chuck 322 is clamped in the clamping groove 3210 of the first chuck 321, at this time, the first chuck 321 and the second chuck 322 are linked, the rotating shaft 331 is rotated by the controllable motor 33, the second chuck 322 is driven to rotate by the mutual matching of the external spline on the rotating shaft 331 and the internal spline 260 on the sliding sleeve 26, and the first chuck 321 and the driving gear 201 are driven to rotate, so that the two turning plates 3 are turned over to be in an inverted "eight" shape, at this time, the controllable motor 33 stops rotating and maintains the position, the gas cylinder 10 is placed on the two turning plates 3, after the gas cylinder is placed, the gas cylinder 10 is lifted by the lifting bracket until the distance between the lower bottom surface of the gas cylinder 10 and the platform 1 is 3m, and finally the telescopic cylinder 24 is controlled to retract, the fork 231 at the lower end of the hinge rod 23 is driven to deflect, and the sliding sleeve 26 is further driven to slide on the rotating shaft 331, so that the clamping strip 3220 of the second chuck 322 is separated from the clamping groove 3210 of the first chuck 321, at this time, the turning plate 3 turns downwards under the action of self gravity, that is, the turning plate 3 does not provide supporting force for the gas cylinder 10 any more, at this time, the gas cylinder 10 does free-falling body movement under the action of self gravity, and the first step of the plane impact test is completed;
in the second step of the plane impact test, the telescopic cylinder 24 is controlled to extend again, so that the clamping strips 3220 of the second chuck 322 are clamped in the clamping grooves 3210 of the first chuck 321 again, then the turnover plate 3 is controlled by the controllable motor 3 to turn over to the state that the outer side faces upwards, then the shoulder part of the gas cylinder 10 is placed on the corresponding arc-shaped clamping block 42, the tail part leans against the backup plate 41, so that the gas cylinder 10 is in a 45-degree posture with the ground, the gas cylinder 10 is lifted by the lifting bracket until the distance between the lower bottom surface of the gas cylinder 10 and the platform 1 is 3m, then the second chuck 322 is separated from the first chuck 321 by the contraction of the telescopic cylinder 24, at this time, the turning plate 3 is turned downwards under the action of self gravity, namely, the turning plate 3 does not provide supporting force for the gas cylinder 10 any more, and at the moment, the gas cylinder 10 does free-falling motion under the action of self gravity to complete the second step of the plane impact test;
when the first step of the punch impact test is carried out, a strip-shaped impact head 11 is arranged on a platform 1, so that the strip-shaped impact head 11 is parallel to connecting rods 21 and is positioned right below the two connecting rods 21, then, referring to the step of the first step of the plane impact test, a gas cylinder 10 is placed on two turning plates 3, so that the gas cylinder 10 falls at a position 1.2m away from the strip-shaped impact head 11 and horizontally falls on the impact head 11, and the first step of the punch impact test is completed (as shown in figures 1-3);
when the second step of the punch impact test is carried out, the strip-shaped impact head 11 is installed on the platform 1, so that the strip-shaped impact head 11 is perpendicular to the connecting rod 21, then the gas cylinder 10 is placed on the two turning plates 3 by referring to the step of the first step of the punch impact test, then the gas cylinder 10 is turned over, so that the distance between the falling impact point and the impact point of the first step of the punch impact test is at least 45 degrees, and finally the gas cylinder 10 falls at the position 1.2m away from the strip-shaped impact head 11 and transversely falls on the impact head 11, thereby completing the second step of the punch impact test.
The gas cylinder drop impact test bed provided by the invention is described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a gas cylinder drop impact test platform which characterized in that: the impact mechanism comprises a platform (1), strip-shaped impact heads (11) are detachably mounted on the platform (1), brackets (2) are arranged at two ends of the platform (1), two turnover plates (3) which are symmetrical to each other are rotatably mounted between the two brackets (2), two connecting rods (21) are further connected to the two brackets (2), a driven gear (31) is mounted at the end of one end of each turnover plate (3), a driving gear (201) and a transmission gear (202) which are meshed with each other are rotatably mounted on the brackets (2), the two driven gears (31) are respectively meshed with the driving gear (201) and the transmission gear (202), an inverted U-shaped frame (22) is mounted on one of the brackets (2), a clutch and a controllable motor (33) are mounted on the inverted U-shaped frame (22), and a rotating shaft (331) is fixedly mounted on an output shaft of the controllable motor (33), the rotating shaft (331) is in transmission connection with the driving gear (201) through a clutch.
2. A gas cylinder drop impact test stand according to claim 1, characterized in that: the clutch comprises a first chuck (321), a second chuck (322), a hinged rod (23), a telescopic cylinder (24), a stirring ring (25) and a sliding sleeve (26), wherein the first chuck (321) is installed on the end surface of the driving gear (201), a plurality of clamping grooves (3210) are radially formed in the end surface of one end, away from the driving gear (201), of the first chuck (321), the hinged rod (23) is hinged to the middle of the inverted U-shaped frame (22), the telescopic rod of the telescopic cylinder (24) is hinged to the hinged rod (23), the cylinder body is hinged to the inverted U-shaped frame (22), a fork body (231) is fixedly arranged at the lower end of the hinged rod (23), the stirring ring (25) is located in the fork body (231), a gap (2310) is formed in the lower end of the fork body (231), bosses (250) are arranged at two ends of the stirring ring (25), and the bosses (250) are arranged in the gap (2310) in a penetrating manner, sliding sleeve (26) rotate to be installed in stirring ring (25), internal spline (260) have been seted up to the inner wall of sliding sleeve (26), second chuck (322) are installed and are kept away from stirring ring (25) one end in sliding sleeve (26), a plurality of card strips (3220) are radially established to the terminal surface that stirring ring (25) one end was kept away from in second chuck (322), card strip (3220) card is established in draw-in groove (3210), external spline has been seted up on the outer wall of axis of rotation (331).
3. A gas cylinder drop impact test stand according to claim 1, characterized in that: the support (2) is a lifting support.
4. A gas cylinder drop impact test stand according to claim 3, characterized in that: a vertical plate (4) is mounted on one of the supports (2), a backup plate (41) is mounted at the upper end of the vertical plate (4), and an arc-shaped clamping block (42) is arranged on the outer wall of one of the turning plates (3).
5. A gas cylinder drop impact test stand according to claim 4, characterized in that: the number of the arc-shaped clamping blocks (42) is multiple.
6. A gas cylinder drop impact test stand according to claim 4, characterized in that: the backup plate (41) inclines towards the platform (1) from bottom to top.
7. A gas cylinder drop impact test stand according to claim 1, characterized in that: a strip-shaped groove is transversely formed in the lower portion of the inner side face of the turning plate (3), and a supporting roller (30) is rotatably mounted in the strip-shaped groove.
8. A gas cylinder drop impact test stand according to claim 1, characterized in that: and a guardrail (12) is arranged at the edge of the platform (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110091179.6A CN112683482B (en) | 2021-01-22 | 2021-01-22 | Gas cylinder drop impact test stand |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110091179.6A CN112683482B (en) | 2021-01-22 | 2021-01-22 | Gas cylinder drop impact test stand |
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| CN112683482A true CN112683482A (en) | 2021-04-20 |
| CN112683482B CN112683482B (en) | 2023-03-03 |
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| CN202110091179.6A Active CN112683482B (en) | 2021-01-22 | 2021-01-22 | Gas cylinder drop impact test stand |
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|---|---|
| CN112683482B (en) | 2023-03-03 |
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