CN112326179A - Zero-drop test machine - Google Patents
Zero-drop test machine Download PDFInfo
- Publication number
- CN112326179A CN112326179A CN202011318040.2A CN202011318040A CN112326179A CN 112326179 A CN112326179 A CN 112326179A CN 202011318040 A CN202011318040 A CN 202011318040A CN 112326179 A CN112326179 A CN 112326179A
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- Prior art keywords
- zero
- falling
- chain
- drop
- lifting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
-
- 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
-
- 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
- G01N3/317—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by electromagnetic means
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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Electromagnetism (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a zero-drop test machine, in particular to a zero-drop test machine which can carry out electromagnetic attraction and chain transmission by utilizing an electromagnetic releaser. The invention comprises the following steps: the impact bottom plate is arranged below the zero-drop tester and is used for bearing the drop impact force; the falling lifting frame is vertically arranged above the impact bottom plate and is used as a main support of the zero-falling testing machine; the lifting seat is arranged on the falling lifting frame and is used as a free falling mechanism of the zero falling testing machine; the power output mechanisms are arranged above the impact bottom plate and beside the falling lifting frame and are used as main power sources for chain transmission of the zero-falling testing machine; the control box arranged beside the drop crane is used as a main control platform of a zero drop testing machine, the drop testing machine is convenient to operate, stable in operation, low in noise, environment-friendly, space-saving and high in testing precision.
Description
Technical Field
The invention relates to test equipment, in particular to a zero-drop test machine.
Background
At present, products or packaging pieces produced by manufacturers are subjected to impact and free drop tests according to national relevant standards, and the purpose is to test the damage condition of the products or the packaging pieces when the products or the packaging pieces fall, and evaluate the impact resistance of the packaging pieces in the carrying process and the protection capability of outer packaging pieces on the products.
The zero-drop test machine is characterized in that the zero-drop test machine can be used for drop tests from a smaller height range, and can be used for large-scale package drop tests compared with a common drop test machine. The zero-drop test machine used in the current market adopts a hydraulic lifting structure or a screw lifting structure, and the two lifting structures occupy large space and are poor in stability.
Disclosure of Invention
The invention aims to solve the technical problem of providing a zero-drop test machine which is convenient to operate, stable to operate, low in noise, environment-friendly, space-saving and high in test precision.
In order to solve the technical problem, the invention uses a zero-drop test machine, which comprises: the impact bottom plate is arranged below the zero-drop tester and is used for bearing the drop impact force; the falling lifting frame is vertically arranged above the impact bottom plate and is used as a main support of the zero-falling testing machine; the lifting seat is arranged on the falling lifting frame and is used as a free falling mechanism of the zero falling testing machine; the power output mechanisms are arranged above the impact bottom plate and beside the falling lifting frame and are used as main power sources for chain transmission of the zero-falling testing machine; set up in the other control box of falling crane, as zero drop test machine's main control platform, its characterized in that: the first chain for lifting transmission is arranged at the falling lifting frame, the upper end of the first chain is installed at the top of the falling lifting frame through a gear and a bearing seat, the lower end of the first chain is installed on a reduction gearbox, and the first chain is driven by a motor through the reduction gearbox; the first chain is provided with an electromagnetic releaser which can be electromagnetically attracted with an iron plate on the lifting seat when the first chain is electrified.
In the above technical solution, the electromagnetic releaser is an electromagnetic mechanism including an electromagnet, and when the electromagnetic releaser is powered on, the electromagnetic releaser can generate a very strong electromagnetic attraction force. When an operator controls the first chain to act to the same horizontal height with the iron plate of the lifting seat through the control box, the electromagnet is controlled to be electrified and attracted with the iron plate on the lifting seat. After the suction effect is finished, the control box sends an instruction to enable the power output mechanism to output power, and the chain is driven to rotate and simultaneously the lifting seat is driven to lift. After the lifting seat reaches the designated height, the control box sends an instruction, the electromagnetic releaser is powered off, the electromagnetic suction force disappears at the moment, and the lifting seat falls freely from the designated height.
As a further improvement to the above technical solution, the present invention further aims to provide a specific positional relationship, connection relationship, combination relationship, and structural relationship of each component of the zero-drop test machine.
Further, a zero drop test machine, its characterized in that: the electromagnetic releaser is arranged at the first chain in a welding mode and is provided with an electromagnet connected with the control box, the movable end of the electromagnet is connected with a movable bolt, and the lifting seat is provided with a movable bolt sleeve.
Further, it is equipped with two slide rails to fall the crane outside, the slide rail top is equipped with the lift seat, the lift seat reciprocates at the slide rail through the slider.
Furthermore, an iron plate which can attract the electromagnetic releaser is arranged on the lifting seat.
Further, the power output mechanism comprises a motor, a reduction gearbox, a gear and a second chain, wherein the motor drives the second chain under the action of the reduction gearbox, and the second chain is connected with the first chain through the gear.
Furthermore, the lower end of the lifting seat is an E-shaped bracket, and a positioning rod is arranged on the lifting seat.
Drawings
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which: FIG. 1 is a schematic view of a zero drop test machine with a control box according to one embodiment of the present invention; FIG. 2 is an enlarged view of a portion of one embodiment of the present invention at a bearing; FIG. 3 is an enlarged view of a portion of the elevator base according to one embodiment of the present invention; fig. 4 is a partially enlarged view of a power output mechanism of one embodiment of the invention.
Detailed Description
A zero-drop tester as shown in fig. 1, comprising: the impact bottom plate 7 is arranged below the zero-drop tester and is used for bearing the drop impact force; the falling lifting frame 4 is vertically arranged above the impact bottom plate 7 and is used as a main support of the zero-falling testing machine; the lifting seat 5 is arranged on the falling lifting frame 4 and is used as a free falling mechanism of the zero falling testing machine; the power output mechanism 6 is arranged above the impact bottom plate 7 and beside the falling lifting frame 4 and is used as a main power source for chain transmission of the zero-falling testing machine; set up in the other control box 3 of falling crane 4, as the main control platform of zero drop test machine, its characterized in that: the first chain 2 for lifting transmission is arranged at the falling lifting frame 4, the upper end of the first chain 2 is installed at the top of the falling lifting frame 4 through a gear 13 and a bearing seat 11, the lower end of the first chain 2 is installed on a reduction gearbox 62, and the first chain 2 is driven by a motor 61 through the reduction gearbox 62; the first chain 2 is provided with an electromagnetic releaser 52 which can generate electromagnetic attraction with an iron plate on the lifting seat 5 when being electrified.
The electromagnetic releaser 52 is arranged at the first chain 2 in a welding mode, the electromagnetic releaser 52 is provided with an electromagnet connected with the control box 3, the movable end of the electromagnet is connected with a movable bolt, and the lifting seat is provided with a movable bolt sleeve.
Wherein, it is equipped with two slide rails to fall the crane outside, the slide rail top is equipped with the lift seat, lift seat 5 reciprocates at the slide rail through slider 51.
Wherein, an iron plate which can attract the electromagnetic releaser 52 is arranged on the lifting seat 5.
The power output mechanism 6 comprises a motor 61, a reduction gearbox 62, a gear and a second chain 63, wherein the motor 61 drives the second chain 63 under the action of the reduction gearbox 62, and the second chain 63 is connected with the first chain 2 through the gear.
The lower end of the lifting seat is provided with an E-shaped bracket 53, and the lifting seat is also provided with a positioning rod.
This embodiment is connected with zero drop test machine main part through upper computer system or other control system, thereby changes the drop frequency of testing machine through set up relevant parameter change electro-magnet in control system.
It should be understood that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some technical features; and all such modifications and alterations are intended to fall within the scope of the appended claims.
Claims (6)
1. A zero-drop tester comprising: the impact bottom plate (7) is arranged below the zero-drop tester and is used for bearing the drop impact force; the falling lifting frame (4) is vertically arranged above the impact bottom plate (7) and is used as a main support of the zero-falling testing machine; the lifting seat (5) is arranged on the falling lifting frame (4) and is used as a free falling mechanism of the zero falling testing machine; the power output mechanism (6) is arranged above the impact bottom plate (7) and beside the falling lifting frame (4) and is used as a main power source for chain transmission of the zero-falling testing machine; set up in other control box (3) of falling crane (4), as the main control platform of zero drop test machine, its characterized in that: the first chain (2) capable of being driven in a lifting mode is arranged at the falling lifting frame (4), the upper end of the first chain (2) is installed at the top of the falling lifting frame (4) through a gear (13) and a bearing seat (11), the lower end of the first chain (2) is installed on a reduction gearbox (62), and the first chain (2) is driven by a motor (61) through the reduction gearbox (62); the first chain (2) is provided with an electromagnetic releaser (52) which can be electromagnetically attracted with an iron plate on the lifting seat (5) when electrified.
2. The zero drop tester of claim 1, wherein: the electromagnetic releaser (52) is arranged at the position of the first chain (2) in a welding mode, the electromagnetic releaser (52) is provided with an electromagnet connected with the control box (3), the movable end of the electromagnet is connected with a movable bolt, and the lifting seat is provided with a movable bolt sleeve.
3. The zero drop tester of claim 1, wherein: the outer side of the falling lifting frame is provided with two sliding rails, a lifting seat is arranged above the sliding rails, and the lifting seat (5) moves up and down on the sliding rails through a sliding block (51).
4. The zero drop tester of claim 1, wherein: an iron plate which can attract the electromagnetic releaser (52) is arranged on the lifting seat (5).
5. The zero drop tester of claim 1, wherein: the power output mechanism (6) comprises a motor (61), a reduction gearbox (62), a gear and a second chain (63), wherein the motor (61) drives the second chain (63) under the action of the reduction gearbox (62), and the second chain (63) is connected with the first chain (2) through the gear.
6. The zero drop tester of claim 1, wherein: the lower end of the lifting seat is an E-shaped bracket (53), and a positioning rod is arranged on the lifting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011318040.2A CN112326179A (en) | 2020-11-23 | 2020-11-23 | Zero-drop test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011318040.2A CN112326179A (en) | 2020-11-23 | 2020-11-23 | Zero-drop test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112326179A true CN112326179A (en) | 2021-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011318040.2A Pending CN112326179A (en) | 2020-11-23 | 2020-11-23 | Zero-drop test machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112326179A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959670A (en) * | 2021-10-20 | 2022-01-21 | 北京交通大学 | Tunnel boring machine cutter fatigue life's detecting system |
| CN116735136A (en) * | 2023-06-15 | 2023-09-12 | 广东艾斯瑞仪器科技有限公司 | Zero drop test machine |
-
2020
- 2020-11-23 CN CN202011318040.2A patent/CN112326179A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959670A (en) * | 2021-10-20 | 2022-01-21 | 北京交通大学 | Tunnel boring machine cutter fatigue life's detecting system |
| CN116735136A (en) * | 2023-06-15 | 2023-09-12 | 广东艾斯瑞仪器科技有限公司 | Zero drop test machine |
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