CN213022681U - Rotary arm type horizontal impact test device - Google Patents
Rotary arm type horizontal impact test device Download PDFInfo
- Publication number
- CN213022681U CN213022681U CN202022329578.5U CN202022329578U CN213022681U CN 213022681 U CN213022681 U CN 213022681U CN 202022329578 U CN202022329578 U CN 202022329578U CN 213022681 U CN213022681 U CN 213022681U
- Authority
- CN
- China
- Prior art keywords
- arm
- rotary
- impact
- fixed
- rotary arm
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a revolving arm type horizontal impact test device, which comprises a bottom plate, an impact part, a revolving base, a torsion spring, a revolving arm, a velocimeter, a reverse traction rope, a winch, a counterforce wall and a test component, wherein the revolving base is vertically fixed on the upper end surface of the bottom plate, the torsion spring is sleeved outside the revolving base, the revolving arm is rotatably connected with the top end of the revolving base, a bearing is embedded in the lower end surface of the revolving arm, a unidirectional rotation damper is embedded in the upper end surface of the revolving arm, and the top end of the revolving base is provided with a hole tooth meshed with a key tooth shaft of the unidirectional rotation damper; the impact part is vertically arranged on the side wall at one end of the rotary arm, and the counter-force wall is fixed on the bottom plate at one side of the impact part; the other side wall at one end of the revolving arm is detachably connected with a traction rope of a winch, and the winch is fixed on the bottom plate. The utility model discloses do not receive the restriction of laboratory headroom, need not purpose-built reaction frame, impact parameter easily adjusts, and the range of variation of impact energy is big, can conveniently carry out the impact test repeatedly.
Description
Technical Field
The utility model relates to a civil engineering component strikes protection test device field, especially a horizontal impact test device of gyration arm formula.
Background
Civil engineering components (beams, columns and the like) can be subjected to impact load, such as vehicle/ship impact, rockfall impact and the like, and the impact test is an important means for acquiring the impact resistance of the engineering components and protecting the impact resistance. The current structural (member) impact test device is mainly divided into three types, one is a drop hammer with vertical and vertical impact, the second is a pendulum hammer similar to horizontal and lateral impact, and the third is a horizontal impact device with linear acceleration. The drop hammer and the pendulum bob both need a reaction frame arranged in a laboratory so as to facilitate the installation of the impact part, and the impact energy is limited by the clearance of a test space; because the impact energy of the hammer head and the impact energy of the hammer head are converted from gravitational potential energy, after the primary impact hammer head jumps, the hammer head falls down again under the action of gravity to easily cause secondary impact. The impact energy of the linear acceleration horizontal impact device is limited by the linear acceleration length of a laboratory, and the application is not wide.
Disclosure of Invention
The utility model discloses a solve not enough that exists among the prior art, provide a gyration arm formula horizontal impact test device.
In order to achieve the purpose, the utility model is implemented according to the following technical scheme:
a rotary arm type horizontal impact test device comprises a bottom plate, and further comprises an impact part, a rotary base, a torsion spring, a rotary arm, a velocimeter, a reverse traction rope, a winch, a counter-force wall and a test component, wherein the rotary base is vertically fixed on the upper end surface of the bottom plate, the torsion spring is sleeved outside the rotary base, the rotary arm is rotatably connected to the top end of the rotary base, a bearing is embedded in the lower end surface of the rotary arm at the joint of the rotary base, the top end of the rotary base is axially fixed in an inner ring of the bearing, a unidirectional rotation damper is embedded in the upper end surface of the rotary arm, and the top end of the rotary base is provided with hole teeth meshed with a key tooth shaft of the unidirectional rotation; the rotary arm and the bottom plate are parallel to each other, the lower end of the torsion spring is fixed on the bottom plate, the top end of the torsion spring is fixed on the lower end face of the rotary arm, the impact part is vertically arranged on the side wall of one end of the rotary arm, the velocimeter is fixed on the upper end face of one end of the rotary arm, the counterforce wall is fixed on the bottom plate on one side of the impact part, the test component is horizontally fixed on the counterforce wall, and the front end of the impact part in an initial state is vertically contacted with the outer end; the other side wall at one end of the revolving arm is detachably connected with a traction rope of a winch, and the winch is fixed on the bottom plate.
The technical scheme of the utility model, the slewing arm can rotate round the rotation base, the hoist engine starts and retrieves gradually and connects in the dorsal part of the impact portion of slewing arm traction rope, the slewing arm rotates towards the direction that deviates from the impact portion simultaneously, install and save the strain energy in the torsion spring in the slewing base outside gradually, loosen behind the traction rope in the slewing arm outside, torsion spring resumes to drive the slewing arm rotatory towards experimental component direction when warping, take place to strike the collision until impact portion and experimental component, take place reverse motion after the slewing arm collision, for avoiding slewing arm secondary collision experimental component or lead to the fact destruction to testing device, the unidirectional rotation attenuator plays a role, consume kinetic energy after the collision, make the impact device stop as early as possible.
Furthermore, the distance between one end of the rotary arm provided with the impact part and the rotary base is larger than the distance between the other end of the rotary arm and the rotary base, and a balancing weight for keeping the rotary arm balanced is fixed on the lower end face of the other end of the rotary arm.
Furthermore, in order to measure and obtain the rotation speed and the final impact speed of the rotary arm, a velocimeter is fixed on the upper end face of one end of the rotary arm.
Preferably, in order to facilitate the connection or the disconnection of the traction rope of the winch to or from the slewing arm, the other side wall at one end of the slewing arm is provided with a shackle, and the end part of the traction rope of the winch is provided with a hook which is hooked in the shackle.
Preferably, in order to facilitate the installation and replacement of the impact part, the rear end of the impact part is detachably connected to the side wall at one end of the rotary arm, and the position of the impact part can be adjusted along the longitudinal direction of the rotary arm, so that the impact speed, the impact quality and the impact position can be quickly adjusted.
Compared with the prior art, the utility model can drive the revolving arm to rotate towards the direction of the test component while the torsion spring recovers deformation until the impact part and the test component are impacted and collided, and the unidirectional rotation damper can avoid the secondary collision test component of the revolving arm or damage to the test device; the utility model discloses test device's installation does not receive the restriction of laboratory headroom, need not purpose-built reaction frame, and impact parameter easily adjusts, and the range of variation of impact energy is big, can conveniently carry out impact test repeatedly.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. The specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
As shown in fig. 1, the present embodiment provides a swing arm type horizontal impact testing apparatus, which includes a bottom plate 11, and further includes an impact portion 1, a swing base 2, a torsion spring 3, a swing arm 5, a winch 8, a reaction wall 9, and a testing member 10, wherein the swing base 2 is vertically fixed on an upper end surface of the bottom plate 11, the torsion spring 3 is sleeved outside the swing base 2, the swing arm 5 is rotatably connected to a top end of the swing base 2, a bearing (not shown in the drawings) is embedded in a lower end surface of the swing arm 5 at a connection with the swing base 2, a top end of the swing base 2 is axially fixed in an inner ring of the bearing (it is required to explain that a connection relationship of the remaining bearings of the swing base 2 is common knowledge in the art, and therefore the present embodiment is not described again), a unidirectional rotation damper 4 is embedded in an upper end surface of the swing arm 5 (the unidirectional rotation damper, therefore, the detailed structure of the embodiment is not described again), the top end of the rotary base 2 is provided with hole teeth engaged with the key tooth shaft of the unidirectional rotation damper 4; the rotary arm 5 and the bottom plate 11 are parallel to each other, the lower end of the torsion spring 3 is fixed on the bottom plate 11, the top end of the torsion spring is fixed on the lower end face of the rotary arm 5, the impact part 1 is vertically arranged on the side wall of one end of the rotary arm 5, the reaction wall 9 is fixed on the bottom plate 11 on one side of the impact part 1, the test component 10 is horizontally fixed on the reaction wall 9, and the front end of the impact part 1 in an initial state is vertically contacted with the outer end face of the test component 10; the other side wall at one end of the revolving arm 5 is detachably connected with a traction rope 7 of a winch 8, and the winch 8 is fixed on a bottom plate 11.
In some embodiments, the distance between the end of the swivel arm 5 where the impact portion 1 is located and the swivel base 2 is greater than the distance between the other end of the swivel arm 5 and the swivel base 2, and a counterweight (not shown) for keeping the swivel arm 5 balanced is fixed to a lower end surface of the other end of the swivel arm 5, and the counterweight is generally a metal block, but may be made of other materials.
In some embodiments, a tachometer 6 is fixed to the upper end surface of one end of the swing arm 5 in order to measure the rotational speed of the swing arm 5 and the final impact speed.
In some embodiments, in order to facilitate the connection or disconnection of the traction rope 7 of the hoisting machine 8 to or from the slewing arm 5, the other side wall of one end of the slewing arm 5 is provided with a shackle (not shown), and the end of the traction rope 7 of the hoisting machine 8 is provided with a hook (not shown) which is hooked in the shackle.
In some embodiments, in order to facilitate the installation and replacement of the impact part, the rear end of the impact part 1 is detachably connected to the side wall of one end of the swivel arm 5, and the position of the impact part 1 can be adjusted along the longitudinal direction of the swivel arm 5, so as to realize the quick adjustment of the impact speed, the impact quality and the impact position.
The utility model discloses a working process and principle as follows:
after the impacted member 10 is mounted before the test is started, the test system needs to be debugged and ready, and the dotted line position of the revolving arm 5 in fig. 1 is an initial state;
then the windlass 8 is started and gradually recovers the traction rope 7 connected to the back side of the impact part 1 of the revolving arm 5, and simultaneously the revolving arm 5 rotates in the direction departing from the impact part to reach the solid line position of the revolving arm 5 as shown in fig. 1, and at this time, the torsion spring 3 arranged on the outer side of the revolving base 2 gradually accumulates strain energy;
further, the hook at the end of the traction rope 7 of the winch 8 is disengaged from the hook ring on the revolving arm 5, and the torsion spring 3 returns to deform and simultaneously drives the revolving arm 5 to rotate towards the test component 10 until the impact part 1 and the test component 10 collide with each other (as shown in the dotted line position in fig. 1, namely the impact part 5 and the test component collide with each other); the tachometer 6 arranged on the rotary arm 5 can measure the rotation speed and the final impact speed of the rotary arm 5; further, the rotary arm 5 moves reversely after collision, and in order to avoid secondary collision of the rotary arm on a test component or damage to a test device, the unidirectional rotation damper 4 plays a role in consuming kinetic energy after collision; thereby completing the whole experimental process.
The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.
Claims (5)
1. A rotary arm type horizontal impact test device comprises a bottom plate (11) and is characterized by further comprising an impact part (1), a rotary base (2), a torsion spring (3), a rotary arm (5), a winch (8), a counterforce wall (9) and a test component (10), the rotary base (2) is vertically fixed on the upper end surface of the bottom plate (11), the torsion spring (3) is sleeved outside the rotary base (2), the rotary arm (5) is rotatably connected to the top end of the rotary base (2), a bearing is embedded in the lower end surface of the rotary arm (5) at the joint of the rotary base (2), the top end of the rotary base (2) is axially fixed in an inner ring of the bearing, a unidirectional rotary damper (4) is embedded in the upper end surface of the rotary arm (5), the top end of the rotary base (2) is provided with hole teeth meshed with a key tooth shaft of the unidirectional rotary damper (4); the rotary arm (5) and the bottom plate (11) are parallel to each other, the lower end of the torsion spring (3) is fixed on the bottom plate (11), the top end of the torsion spring is fixed on the lower end face of the rotary arm (5), the impact part (1) is vertically arranged on the side wall of one end of the rotary arm (5), the reaction wall (9) is fixed on the bottom plate (11) on one side of the impact part (1), the test component (10) is horizontally fixed on the reaction wall (9), and the front end of the impact part (1) in an initial state is vertically contacted with the outer end face of the test component (10); the other side wall of one end of the revolving arm (5) is detachably connected with a traction rope of a winch (8), and the winch (8) is fixed on the bottom plate (11).
2. The articulated arm horizontal impact test apparatus of claim 1, wherein: the distance between one end of the rotary arm (5) provided with the impact part (1) and the rotary base (2) is larger than the distance between the other end of the rotary arm (5) and the rotary base (2), and a balancing weight for keeping the rotary arm (5) balanced is fixed on the lower end face of the other end of the rotary arm (5).
3. The articulated arm horizontal impact test apparatus of claim 1, wherein: a velocimeter (6) is fixed on the upper end face of one end of the rotary arm (5).
4. The articulated arm horizontal impact test apparatus of claim 1 or 2, wherein: the other side wall of one end of the rotary arm (5) is provided with a hook ring, and the end part of a traction rope of the winch (8) is provided with a hook which is hooked in the hook ring.
5. The articulated arm horizontal impact test apparatus of claim 1, wherein: the rear end of the impact part (1) is detachably connected to the side wall of one end of the rotary arm (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022329578.5U CN213022681U (en) | 2020-10-19 | 2020-10-19 | Rotary arm type horizontal impact test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022329578.5U CN213022681U (en) | 2020-10-19 | 2020-10-19 | Rotary arm type horizontal impact test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213022681U true CN213022681U (en) | 2021-04-20 |
Family
ID=75481020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022329578.5U Expired - Fee Related CN213022681U (en) | 2020-10-19 | 2020-10-19 | Rotary arm type horizontal impact test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213022681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116296911A (en) * | 2023-05-11 | 2023-06-23 | 山东聚金龙汽车发展有限公司 | Impact detection equipment for hydrogen fuel cell |
-
2020
- 2020-10-19 CN CN202022329578.5U patent/CN213022681U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116296911A (en) * | 2023-05-11 | 2023-06-23 | 山东聚金龙汽车发展有限公司 | Impact detection equipment for hydrogen fuel cell |
| CN116296911B (en) * | 2023-05-11 | 2023-07-21 | 山东聚金龙汽车发展有限公司 | Impact detection equipment for hydrogen fuel cell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101659379B (en) | Method, system and device for controlling deviation of hanging hook | |
| CN213022681U (en) | Rotary arm type horizontal impact test device | |
| CN111017718B (en) | Hoisting device is assisted to super high-rise creeping formwork | |
| CN104045006B (en) | Tower crane and jacking Self-balance Control System thereof and control method | |
| CN103234807A (en) | Pendulum assembly and pendulum impact test apparatus having the same | |
| CN112254917A (en) | Rotary arm type horizontal impact test device | |
| CN204549712U (en) | Construction elevator rack formula safety dropping prevent mechanism | |
| CN110082133B (en) | Tooth-type rim tire acceleration continuous impact device | |
| CN210031798U (en) | Foundation engineering pile driving device | |
| CN207894583U (en) | Damper shock machine percussion mechanism | |
| CN109252574B (en) | Pile driver for civil engineering | |
| CN110588882A (en) | Heavy-load rolling simulation platform test device | |
| CN215977263U (en) | Pile driver for water conservancy construction | |
| CN217585742U (en) | Detection equipment for drill rod of hydraulic breaking hammer | |
| CN211735564U (en) | Foundation pile uplift resistance and pile body quality detection device | |
| CN219301836U (en) | Crane tension testing device | |
| CN109403891A (en) | Manipulator is used in a kind of dismounting of borer drill rod | |
| CN112279128A (en) | Rope loosening protection mechanism of winch | |
| CN109403892A (en) | A kind of borer drill rod fast assembling-disassembling technique | |
| CN204594690U (en) | Multi-storied garage reductor test unit | |
| CN212294601U (en) | Automatic hammer lifting mechanism and medium-sized power sounding machine | |
| CN110216716A (en) | A kind of capture retaining mechanism docking experimental rig | |
| CN207894582U (en) | Damper shock machine promotes release device | |
| CN219489534U (en) | Weighing device and overhead working truck | |
| CN219886963U (en) | High-strain hammering detection leveling device for foundation pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210420 Termination date: 20211019 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |