CN210375606U - High-power zero-drop test machine - Google Patents

Abstract

The utility model provides a high-power zero drop test machine, include: strike bottom plate and portal frame, the portal frame vertical fixation is on striking the bottom plate, both ends all are provided with longitudinal slide rail about the portal frame, sliding connection has the connecting plate on the longitudinal slide rail, be provided with the bracket perpendicularly on the connecting plate, the connecting plate back is provided with and falls to drive the actuating cylinder, it falls to drive the actuating cylinder output with the bracket links to each other, the portal frame back still is fixed with the mounting panel, be provided with hydraulic oil station and hydraulic cylinder on the mounting panel, hydraulic oil station is through defeated oil pipe and hydraulic cylinder connection, hydraulic cylinder's output still is provided with transmission, the transmission output is connected with the connecting plate. The utility model discloses use the hydro-cylinder as drive arrangement, power is big than traditional cylinder drive thrust, treats the work of examining to the quality is great and also can keep good running state, has improved detection efficiency.

Description

High-power zero-drop test machine

Technical Field

The utility model relates to a testing tool technical field especially relates to a high-power zero drop test machine.

Background

With the development of science and technology and the continuous development of production and manufacturing industry, people have higher and higher requirements on the quality of products. China belongs to a large production country, products sold in China or exported in China need to be packaged according with standards, and whether the packaging of the products can effectively protect the products from being transported by automobile, sea, air and the like and being transported for many times to reach final destinations can directly relate to the safety of the products and the transportation cost of enterprises.

Currently, a drop tester is generally used for simulating the free drop of a product during transportation, and the accidental impact resistance of the product is examined. Among the drop test machines, the zero drop test machine is one of the types of drop test machines, and is characterized in that: the device can be used for drop test from the zero height range and is suitable for large-scale package drop test. The traditional zero-drop test machine adopts motor transmission, has low power, small drop acceleration and slow control lifting speed, needs a high-efficiency high-power zero-drop test machine and can solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-power zero drop test machine through carrying out technical transformation to existing equipment, has solved the problem that current drop test machine is inefficiency.

In order to solve the technical problem, the utility model discloses specifically adopt following technical scheme, a high-power zero drop test machine, include: the device comprises an impact bottom plate and a portal frame, wherein the portal frame is vertically fixed on the impact bottom plate, longitudinal slide rails are arranged at the left end and the right end of the portal frame, the longitudinal slide rail is connected with a connecting plate in a sliding way, the connecting plate is vertically provided with a bracket, the back of the connecting plate is provided with a falling driving cylinder, the output end of the falling driving cylinder is connected with the bracket, the back of the portal frame is also fixed with a mounting plate, the mounting plate is provided with a hydraulic oil station and a hydraulic oil cylinder, the hydraulic oil station is connected with the hydraulic oil cylinder through an oil pipeline, the output end of the hydraulic oil cylinder is also provided with a transmission device, the output end of the transmission device is connected with a connecting plate, so that the connecting plate can move on a longitudinal slide rail under the control of the hydraulic oil cylinder, the impact bottom plate is also provided with a rebound mechanism, and the rebound mechanism is used for blocking the rebound of the connecting plate after the bracket reaches the impact bottom plate.

Compared with the prior art, the utility model discloses following beneficial effect has:

1) the utility model discloses use the hydro-cylinder as drive arrangement, power is big than traditional cylinder drive thrust, to the great waiting of quality to detect the article and also can keep good running state, improved detection efficiency, the elevating speed has promoted present hydro-cylinder drive power 4000mm/min from traditional motor drive power 300 mm/min.

2) The utility model discloses a sprocket, first chain head, second chain head and chain carry out the transmission, the stability of lift in-process has been improved, the sample bracket of traditional zero drop test machine falls when strikeing the bottom plate, often lead to sample bracket inadequately and strike the difference in height that exists 15-20mm between the bottom plate because of operation precision and stability, lead to whole depth of parallelism not enough, influence the testing result, still can lead to the sample to puncture packing box to bracket gap department, the design accuracy and the stability of current adoption are better, can reduce sample bracket and impact bottom plate difference in height to within 2mm, make sample bracket and impact bottom plate depth of parallelism higher, the emergence of above-mentioned problem has been avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic back view of the present invention;

FIG. 3 is a schematic view of the transmission device and the rebounding mechanism of the present invention;

description of reference numerals: the device comprises an impact bottom plate 1, a portal frame 2, a longitudinal slide rail 3, a connecting plate 4, a bracket 5, a falling driving cylinder 6, a mounting plate 7, a hydraulic oil station 8, a hydraulic oil cylinder 9, an oil conveying pipe 10, a transmission device 11, a chain wheel 111, a first chain head 112, a second chain head 113, a chain 114, an oil cylinder supporting column 12, a cross rod 13, a supporting plate 14, a rebound mechanism 15, a driving cylinder 151, a limiting block 152, an adjustable clamp rod 16, a groove 17, a guardrail 18, a limiting groove 19 and a control cabinet 20.

Detailed Description

The following detailed description of the present invention will be made with reference to the accompanying drawings and examples.

As shown in fig. 1-2, the present embodiment provides a high power zero drop test machine, including: the device comprises an impact bottom plate 1 and a portal frame 2, wherein the portal frame 2 is vertically fixed on the impact bottom plate 1, longitudinal slide rails 3 are arranged at the left end and the right end of the portal frame 2, a connecting plate 4 is connected onto the longitudinal slide rails 3 in a sliding manner, a bracket 5 is vertically arranged on the connecting plate 4, a falling driving cylinder 6 is arranged on the back surface of the connecting plate 4, the output end of the falling driving cylinder 6 is connected with the bracket 5, a mounting plate 7 is further fixed on the back surface of the portal frame 2, a hydraulic oil station 8 and a hydraulic oil cylinder 9 are arranged on the mounting plate 7, the hydraulic oil station 8 is connected with the hydraulic oil cylinder 9 through an oil pipe 10, a transmission device 11 is further arranged at the output end of the hydraulic oil cylinder 9, the output end of the transmission device 11 is connected with the connecting plate 4, so that the connecting plate 4 can move on the, the rebound mechanism 15 is used for blocking rebound of the connecting plate 4 after the bracket 5 reaches the impact base plate 1.

Further, in order to improve the stability during the lifting, the transmission device 11 includes: the hydraulic support device comprises a chain wheel 111, a first chain head 112, a second chain head 113 and a chain 114, wherein the output end of the hydraulic oil cylinder 9 is connected with a cylinder support column 12, a cross rod 13 is fixedly arranged at the top end of the cylinder support column 12, the left end and the right end of the cross rod 13 are rotatably connected with the chain wheel 111, a support plate 14 is fixed on the portal frame 2, a first chain head 112 corresponding to the chain wheel 111 is fixedly arranged on the support plate 14, a second chain head 113 corresponding to the chain wheel 111 is fixedly arranged on the back of the connecting plate 4, and the chain 114 is connected among the chain wheel 111, the first chain head 112 and the second chain head 113 in a matching.

Further, in order to fix the box to be detected conveniently, an adjustable clamp rod 16 is further arranged on the connecting plate 4.

Further, in order to enable the piece to be detected to fall on the impact bottom plate 1 comprehensively and obtain a more accurate detection result, the bracket 5 is a square tube with three intervals, the square tube and the connecting plate 4 are arranged in an E shape, and the impact bottom plate 1 is provided with an E-shaped groove 17 corresponding to the bracket 5.

Further, in order to prevent the piece to be detected from being separated from the drop tester, guardrails 18 are arranged on two sides of the impact bottom plate 1.

Further, in order to prevent the connecting plate 4 and the bracket 5 from rebounding and colliding with the to-be-detected member after falling to the impact base plate 1, the rebounding mechanism 15 includes: drive actuating cylinder 151 and stopper 152, drive actuating cylinder 151 fixed connection and strike on the bottom plate 1, it is connected with stopper 152 to drive actuating cylinder 151 output, open on the 4 lateral walls of connecting plate have with stopper 152 matched with spacing groove 19, stopper 152 can block income restriction connecting plate 4 moves in vertical direction in the spacing groove 19.

Further, in order to facilitate the operation of the control device, a control cabinet 20 is further disposed on one side of the impact base plate 1.

During the test, according to the experimental needs, adjust the height of bracket 5 to required height, this height can be very little, sets up near zero. The detection article is placed on the bracket 5, the bracket 5 is lifted to the required falling height, the detection article is fixed by the adjustable clamp rod, then the height of the detection article is adjusted to a proper position, the falling driving cylinder 6 is started, the falling driving cylinder 6 generates a downward force to enable the bracket 5 to accelerate to freely slide downwards, and due to the fact that an external power is applied, the downward sliding speed of the bracket 5 is higher than that of the detection article falling downwards by means of the gravity of the bracket 5, at the moment, the bracket 5 is separated from the detection article, and the detection article falls. The bracket 5 reaches the E-shaped groove 17 of the impact bottom plate 1, and the detection product reaches the impact bottom plate 1 in a free-falling mode after a certain time, so that the drop test is completed. The carriage 5 is in a free-falling state even after receiving a sudden downward force, and therefore, the carriage 5 is ensured not to contact the falling detection object, and the accuracy of the test structure is not affected.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts ripe bolt, rivet among the prior art. The conventional means such as welding, machines, parts and equipment are of the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the details are not described.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or through an intermediary, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.

Claims (7)

1. The utility model provides a zero drop test machine of high-power which characterized in that includes: the device comprises an impact bottom plate and a portal frame, wherein the portal frame is vertically fixed on the impact bottom plate, longitudinal slide rails are arranged at the left end and the right end of the portal frame, the longitudinal slide rail is connected with a connecting plate in a sliding way, the connecting plate is vertically provided with a bracket, the back of the connecting plate is provided with a falling driving cylinder, the output end of the falling driving cylinder is connected with the bracket, the back of the portal frame is also fixed with a mounting plate, the mounting plate is provided with a hydraulic oil station and a hydraulic oil cylinder, the hydraulic oil station is connected with the hydraulic oil cylinder through an oil pipeline, the output end of the hydraulic oil cylinder is also provided with a transmission device, the output end of the transmission device is connected with a connecting plate, so that the connecting plate can move on a longitudinal slide rail under the control of the hydraulic oil cylinder, the impact bottom plate is also provided with a rebound mechanism, and the rebound mechanism is used for blocking the rebound of the connecting plate after the bracket reaches the impact bottom plate.

2. The high power zero drop test machine of claim 1, wherein the transmission comprises: the chain wheel, the first chain head, the second chain head and the chain, the hydraulic cylinder output end is connected with the cylinder support column, the fixed horizontal pole that is provided with in cylinder support column top, both ends are rotated and are connected with the sprocket about the horizontal pole, be fixed with the backup pad on the portal frame, fixed being provided with in the backup pad with the corresponding first chain head of sprocket, the fixed second chain head that is provided with at the connecting plate back, the cooperation is connected with the chain between sprocket, first chain head and the second chain head.

3. The high-power zero-drop tester according to claim 1, wherein an adjustable clamp rod is further arranged on the connecting plate.

4. The high-power zero-drop testing machine according to claim 1, wherein the bracket is three square tubes arranged at intervals and arranged in an E shape with the connecting plate, and the impact bottom plate is provided with an E-shaped groove corresponding to the bracket.

5. The high power zero drop test machine according to claim 1, wherein guard rails are arranged on two sides of the impact bottom plate.

6. The high power zero drop test machine of claim 1, wherein the bounce mechanism comprises: drive actuating cylinder and stopper, drive actuating cylinder fixed connection and strike on the bottom plate, it is connected with the stopper to drive the actuating cylinder output, open on the connecting plate lateral wall have with stopper matched with spacing groove, the stopper can block and go into spacing inslot restriction connecting plate moves in vertical direction.

7. The high-power zero-drop testing machine according to claim 1, wherein a control cabinet is further arranged on one side of the impact base plate.

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