CN216199512U - Collision test loading device with plunger type hydraulic cylinder lateral deviation prevention structure - Google Patents
Collision test loading device with plunger type hydraulic cylinder lateral deviation prevention structure Download PDFInfo
- Publication number
- CN216199512U CN216199512U CN202122608300.6U CN202122608300U CN216199512U CN 216199512 U CN216199512 U CN 216199512U CN 202122608300 U CN202122608300 U CN 202122608300U CN 216199512 U CN216199512 U CN 216199512U
- Authority
- CN
- China
- Prior art keywords
- hydraulic cylinder
- lateral deviation
- prevention structure
- deviation prevention
- collision
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model belongs to the field of a collision test device, and particularly discloses a collision test loading device with a plunger type hydraulic cylinder lateral deviation prevention structure, which comprises a collision test bracket, a hydraulic cylinder, a pressure sensor, a collision head and a lateral deviation prevention structure, wherein: the hydraulic cylinder, the pressure sensor and the collision head are sequentially connected from top to bottom, the hydraulic cylinder is installed on the collision test support, the hydraulic cylinder sleeve is arranged in the annular lateral deviation prevention structure, the lateral deviation prevention structure is used for limiting the transverse degree of freedom of the hydraulic cylinder, and the lateral deviation prevention structure is fixed on the collision test support through the lateral deviation prevention base. The utility model limits the transverse freedom degree of the hydraulic cylinder by designing the annular lateral deviation prevention structure, can avoid lateral deviation in the loading process of the hydraulic cylinder, effectively solves the problem of larger transverse acting force generated between the piston rod and the steel cylinder on the premise of ensuring the service life of the hydraulic cylinder, and can actively perform lateral deviation prevention action at the same time, thereby avoiding the damage of experimental instruments caused by the misjudgment of personnel.
Description
Technical Field
The utility model belongs to the field of a collision test device, and particularly relates to a collision test loading device with a plunger type hydraulic cylinder lateral deviation prevention structure.
Background
In the development of a collision test, the ballast imbalance of the hydraulic cylinder often occurs when a load is applied, so that a large transverse acting force is generated between the piston rod and the steel cylinder, and the sealing element or the piston is damaged.
To avoid the above problems, a hydraulic cylinder with a larger diameter is generally adopted at present to reduce the offset, and the corresponding load will be lower, so that the above problems can be alleviated to a certain extent, but the service life of the hydraulic cylinder is influenced and the hydraulic cylinder is not economical. Therefore, a device capable of effectively solving the problem of generating large transverse acting force between the piston rod and the steel cylinder while ensuring the service life of the hydraulic cylinder is needed.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects or the improvement requirements in the prior art, the utility model provides a collision test loading device with a plunger type hydraulic cylinder lateral deviation prevention structure, which aims to avoid lateral deviation in the loading process of a hydraulic cylinder collision test and effectively solve the problem of large transverse acting force generated between a piston rod and a steel cylinder on the premise of ensuring the service life of the hydraulic cylinder.
In order to achieve the purpose, the utility model provides a crash test loading device with a plunger type hydraulic cylinder lateral deviation prevention structure, which comprises a crash test bracket, a hydraulic cylinder, a pressure sensor, a crash head and a lateral deviation prevention structure, wherein:
the hydraulic cylinder, the pressure sensor and the collision head are sequentially connected from top to bottom, the hydraulic cylinder is installed on the collision test support, the hydraulic cylinder sleeve is arranged in the annular lateral deviation prevention structure, the lateral deviation prevention structure is used for limiting the transverse degree of freedom of the hydraulic cylinder, and the lateral deviation prevention structure is fixed on the collision test support through the lateral deviation prevention base.
Preferably, the anti-lateral deviation structure is provided with a lateral deviation force monitor; the annular inner side of the anti-lateral deviation structure has a gap with the outer wall of the hydraulic cylinder, the hydraulic cylinder is provided with a lateral deviation righting structure, and the lateral deviation righting structure is movably contacted with the hydraulic cylinder.
Further preferably, the test piece fixing device further comprises a test piece base which is arranged below the collision head and used for fixing the test piece.
Preferably, the crash test bracket is mounted on the ground rail by a fixing bolt.
More preferably, the collision head is a bow-like structure simulating a bow of a ship.
Generally, compared with the prior art, the above technical solution conceived by the present invention mainly has the following technical advantages:
1. the utility model limits the transverse degree of freedom of the hydraulic cylinder by designing the annular lateral deviation prevention structure, can avoid lateral deviation in the loading process of the hydraulic cylinder, and effectively solves the problem of larger transverse acting force generated between the piston rod and the steel cylinder on the premise of ensuring the service life of the hydraulic cylinder.
2. The utility model monitors the stress of the lateral deviation device through the lateral deviation stress monitor, can analyze whether the hydraulic cylinder has the lateral deviation trend, and after judgment is made, the position of the hydraulic cylinder is finely adjusted by the lateral deviation righting structure on the inner circumference side of the ring, so that the lateral deviation righting is realized, the purpose of automatically righting the hydraulic cylinder is achieved, and the damage of an experimental instrument caused by the misjudgment of personnel is avoided.
3. The collision test bracket is fixedly arranged on the ground rail, and the whole device can be moved conveniently on the basis of the fixed base.
4. The test apparatus of the present invention is suitable for a collision test for simulating a bow or other member of various shapes.
Drawings
FIG. 1 is a schematic structural diagram of a crash test loading device with a plunger-type hydraulic cylinder lateral deviation prevention structure according to an embodiment of the utility model;
fig. 2 is a schematic view of an anti-lateral deviation structure in a crash test loading device according to an embodiment of the utility model.
The same reference numbers will be used throughout the drawings to refer to the same or like elements or structures, wherein: 1-collision test support, 2-fixing bolt, 3-ground rail, 4-test piece, 5-test piece base, 6-hydraulic cylinder, 7-pressure sensor, 8-collision head, 9-sideslip prevention structure, 10-sideslip prevention base, 11-sideslip stress monitor and 12-sideslip centralization structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The crash test loading device with the plunger type hydraulic cylinder sideslip prevention structure provided by the embodiment of the utility model comprises a crash test bracket 1, a test piece base 5, a hydraulic cylinder 6, a pressure sensor 7, a crash head 8 and a sideslip prevention structure 9, as shown in fig. 1, wherein:
the hydraulic cylinder 6 is arranged on the door-shaped collision test bracket 1, and the hydraulic cylinder 6, the pressure sensor 7 and the collision head 8 are sequentially connected from top to bottom; the test piece base 5 is arranged below the collision head 8 and used for fixing the test piece 4;
the lateral deviation preventing structure 9 is fixed on the collision test support 1 through a lateral deviation preventing base 10, the hydraulic cylinder 6 is sleeved in the annular lateral deviation preventing structure 9, and the lateral deviation preventing structure 9 is used for limiting the transverse degree of freedom of the hydraulic cylinder 6; specifically, as shown in fig. 2, a lateral deviation force monitor 11 is installed on the lateral deviation preventing structure 9; a gap exists between the annular inner side of the lateral deviation preventing structure 9 and the outer wall of the hydraulic cylinder 6, the hydraulic cylinder 6 is provided with a lateral deviation righting structure 12, and the lateral deviation righting structure 12 is in movable contact with the hydraulic cylinder 6.
Further, the collision test bracket 1 is mounted on a ground rail 3 through a fixing bolt 2.
The method for performing the collision test by adopting the test device comprises the following steps: the test piece 4 is fixed by the test piece base 5, the collision head 8 carries out collision test on the test piece 4 through the loading of the hydraulic cylinder 6, simultaneously, the stress condition of the test process is recorded by the pressure sensor 7, and in the test process, the lateral degree of freedom of the hydraulic cylinder 6 is limited through the lateral deviation preventing structure 9 fixed on the test support 1 through the lateral deviation preventing base 10, so that the test device is protected on the basis of ensuring the normal work of the hydraulic cylinder 6. Specifically, the stress of the lateral deviation preventing structure 9 is monitored through the lateral deviation stress monitor 11, whether the hydraulic cylinder 6 has a lateral deviation trend or not is analyzed, if the hydraulic cylinder 6 has the lateral deviation trend, the lateral deviation righting structure 12 on the inner periphery of the ring carries out lateral deviation righting on the hydraulic cylinder 6, and therefore the purpose of automatically righting the hydraulic cylinder is achieved. By adding the lateral deviation preventing device, the problem of large transverse acting force generated between the piston rod and the steel cylinder can be effectively solved on the premise of ensuring the service life of the hydraulic cylinder.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the utility model, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. The utility model provides a bump test loading attachment with plunger type pneumatic cylinder prevents structure that inclines, its characterized in that includes bump test support (1), pneumatic cylinder (6), pressure sensor (7), collision head (8) and prevents structure that inclines (9), wherein:
pneumatic cylinder (6), pressure sensor (7), collision head (8) are from last to connecting gradually down, pneumatic cylinder (6) are installed on collision test support (1), and this pneumatic cylinder (6) cover is established in annular prevents that inclined to one side structure (9), should prevent that inclined to one side structure (9) is used for restricting the horizontal degree of freedom of pneumatic cylinder (6), it fixes through preventing inclined to one side base (10) to prevent inclined to one side structure (9) on collision test support (1).
2. The crash test loading device with the plunger type hydraulic cylinder sideslip prevention structure as claimed in claim 1, characterized in that a sideslip force monitor (11) is installed on the sideslip prevention structure (9); a gap exists between the annular inner side of the lateral deviation preventing structure (9) and the outer wall of the hydraulic cylinder (6), a lateral deviation righting structure (12) is installed on the hydraulic cylinder (6), and the lateral deviation righting structure (12) is movably contacted with the hydraulic cylinder (6).
3. The crash test loading device with the plunger type hydraulic cylinder sideslip prevention structure as defined in claim 1, further comprising a test piece base (5) disposed below said crash head (8) for fixing a test piece (4).
4. The crash test loading device with the plunger type hydraulic cylinder sideslip prevention structure as claimed in claim 1, characterized in that said crash test bracket (1) is mounted on a ground rail (3) by means of a fixing bolt (2).
5. The crash test loading device with the plunger type hydraulic cylinder sideslip prevention structure as set forth in any one of claims 1 to 4, characterized in that said crash head (8) is a plagiocephaly structure simulating a bow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122608300.6U CN216199512U (en) | 2021-10-28 | 2021-10-28 | Collision test loading device with plunger type hydraulic cylinder lateral deviation prevention structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122608300.6U CN216199512U (en) | 2021-10-28 | 2021-10-28 | Collision test loading device with plunger type hydraulic cylinder lateral deviation prevention structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216199512U true CN216199512U (en) | 2022-04-05 |
Family
ID=80892270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122608300.6U Active CN216199512U (en) | 2021-10-28 | 2021-10-28 | Collision test loading device with plunger type hydraulic cylinder lateral deviation prevention structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216199512U (en) |
-
2021
- 2021-10-28 CN CN202122608300.6U patent/CN216199512U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203545176U (en) | Pneumatic steel cylinder lifting, water pouring and cylinder valve assembling and disassembling device | |
| CN107598531A (en) | For bushing to be loaded to the device of knuckle pin-and-hole | |
| CN216199512U (en) | Collision test loading device with plunger type hydraulic cylinder lateral deviation prevention structure | |
| CN107757947A (en) | A kind of adjustable hydraulic pressure of rigidity does device debugging stand and adjustment method | |
| CN105108708B (en) | Crane disassembling process | |
| CN105197765B (en) | Incline lifting piston component frock and method | |
| CN102303822A (en) | Balance weight loading and unloading mechanism for crane as well as crane and loading and unloading method for balance weight | |
| CN203767896U (en) | Counterweight device and engineering machinery | |
| CN103523684A (en) | Hoisting coupling device with cooperation of multiple cranes and detection method | |
| CN210071340U (en) | Novel axle testing machine | |
| KR20140004018U (en) | Load test apparatus of beam for ship | |
| CN216770999U (en) | Suspension cylinder pressure maintaining test device for electric wheel dump truck | |
| CN105500495B (en) | The support meanss and method for supporting of a kind of shake table | |
| CN214010731U (en) | Multi-station hydro-pneumatic spring test bench | |
| CN113264454B (en) | Engine hanging bracket convenient to adjust and used for repair | |
| CN210710645U (en) | Auxiliary turning device for top beam of hydraulic support | |
| CN202907705U (en) | Oscillating bar type tension device | |
| CN210763936U (en) | Safety type lifting hook of crane | |
| CN210831058U (en) | Mounting rack of industrial computer | |
| CN112304590A (en) | Multi-station hydro-pneumatic spring test bench | |
| CN202744198U (en) | support device and crane | |
| CN215798055U (en) | Double-track crane with quick overhaul function for petroleum production | |
| CN217750264U (en) | Hydraulic maintenance assembly machine | |
| CN111591884A (en) | Crane chassis | |
| CN220012002U (en) | Elevating platform with safety protection function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |