CN210166137U - Fatigue test equipment for anti-seismic support and hanger - Google Patents

Fatigue test equipment for anti-seismic support and hanger Download PDF

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Publication number
CN210166137U
CN210166137U CN201921172048.5U CN201921172048U CN210166137U CN 210166137 U CN210166137 U CN 210166137U CN 201921172048 U CN201921172048 U CN 201921172048U CN 210166137 U CN210166137 U CN 210166137U
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China
Prior art keywords
hanger
earthquake
servo motor
resistant support
fatigue testing
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CN201921172048.5U
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白静国
杨彪
薛龙
庞保雪
王永帅
程海强
袁燕红
马兆祥
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Beijing Building Materials Inspection And Research Institute Co Ltd
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BEIJING BUILDING MATERIALS TESTING ACADEMY Co Ltd
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Abstract

The utility model relates to a gallows field is propped up in antidetonation provides a fatigue test equipment for a gallows is propped up in antidetonation, and it includes: the host frame is used for hoisting the anti-seismic support hanger; the servo electric cylinder comprises a servo motor, a ball screw and an output rod, wherein the fixed end of the servo motor is fixed to one side of the inner side wall of a host frame, the screw rod of the ball screw is coaxially connected with the output end of the servo motor, the output rod is fixedly connected with the screw nut of the ball screw, and the output end of the output rod is connected to the test end of the anti-seismic support hanger through a connecting piece. The utility model has the advantages of low energy consumption, small occupied space, simple and convenient maintenance, low maintenance cost, long service life and high stability; simple operation and easy control.

Description

Fatigue test equipment for anti-seismic support and hanger
Technical Field
The utility model relates to a gallows technical field especially relates to a fatigue test equipment for a gallows of combatting earthquake.
Background
The anti-seismic support and hanger is an anti-seismic support facility which is firmly connected with a building structure body and takes anti-seismic force as main load. The anti-seismic anchor rod is composed of an anchoring body, a reinforcing suspender, an anti-seismic connecting component and an anti-seismic diagonal brace. The support and hanger product is popular and is used for supporting electromechanical pipelines (bridge cables, air pipes, water pipes and the like) and providing anti-seismic support.
The earthquake-proof support and hanger is the perfection and supplement of the using function of the building, and the design and the use of the earthquake-proof support and hanger are important guarantees for the life and the property of people.
If a geological natural disaster such as an emergent earthquake occurs, secondary disasters are caused to serious casualties and property loss in the building, and the disasters mainly include fire disasters, flood disasters, heavy smoke, explosions, toxic gas leakage and the like in urban buildings. Once secondary disaster occurs, people in a building cannot be effectively evacuated and rescue is affected, and fire, flood and explosion caused by damage of electromechanical equipment and pipelines can damage a plurality of property equipment, so that very great loss is caused.
The anti-seismic support and hanger can protect electromechanical pipelines and equipment to a higher degree, avoid or greatly reduce secondary disasters caused after earthquake disasters, reduce loss of properties of personnel and equipment in a building, simultaneously can also enable building auxiliary functions such as fire fighting, elevators, communication and the like to recover operation as fast as possible, and is matched with work such as disaster relief transfer and the like, so that the anti-seismic support and hanger has the effects of reducing repair cost and improving repair efficiency for maintenance after disaster damage.
However, at present, no effective fatigue testing device suitable for the anti-seismic support and hanger exists, and although devices similar to other products exist, the following defects exist: the stability is not high, the service life is low, oil leakage is easy to occur, the heat dissipation capacity is large, a heat dissipation system needs to be additionally arranged, the occupied space is large, the device is not suitable for being used in positions with large temperature change, the power consumption is large, energy is not saved, the operation is complex, and the maintenance is not convenient.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The present invention aims at least solving one of the technical problems existing in the prior art or the related art.
The utility model aims at providing a fatigue test equipment for antidetonation gallows to solve that equipment stability is not high, the oil leak appears easily in the life-span, and the heat dissipation capacity is big, needs to join in marriage in addition cooling system, and occupation space is great, is not suitable for the great position of temperature variation and uses, and power consumption is big not energy-conserving, and the operation is complicated, the inconvenient technical problem of maintenance.
(II) technical scheme
In order to solve the technical problem, the embodiment of the utility model provides a fatigue test equipment for antidetonation gallows, it includes:
the host frame is used for hoisting the anti-seismic support hanger;
the servo electric cylinder comprises a servo motor, a ball screw and an output rod, wherein the fixed end of the servo motor is fixed to one side of the inner side wall of a host frame, the screw rod of the ball screw is coaxially connected with the output end of the servo motor, the output rod is fixedly connected with the screw nut of the ball screw, and the output end of the output rod is connected to the test end of the anti-seismic support hanger through a connecting piece.
In one embodiment of the present invention, the output end of the output rod is connected to a force sensor.
The utility model discloses a concrete embodiment, the lower extreme of antidetonation gallows hangs the pipe test piece through the installation card, the output of output pole is connected to through the connecting piece the gallows of antidetonation installation card.
In one embodiment of the present invention, the mainframe frame is located in both sides of the length direction of the pipe test piece are open.
In one embodiment of the present invention, the top wall and the bottom wall of the main frame include a plurality of parallel cross beams, and a pair of opposite side walls of the main frame include a plurality of parallel vertical beams;
the fixed end of the servo motor is installed to one side wall close to the middle of the vertical beam.
In one embodiment of the present invention, a T-shaped groove is formed along the length direction around the vertical beam, and sliders are respectively configured on two opposite sides of the fixed end of the servo motor, and the sliders are slidably connected and fixed to the T-shaped groove.
In a specific embodiment of the present invention, the top wall of the mainframe frame is located on the lower surface of the beam, and a plurality of adjusting beams perpendicular to the beam are further provided, and the bottom surface of each adjusting beam is provided with a T-shaped groove along the length direction thereof;
the lower surface of the cross beam is provided with a plurality of adjusting holes arranged at intervals along the length direction of the cross beam, and the adjusting beam is connected with the adjusting holes at corresponding positions through fasteners to be installed on the cross beam;
the upper end of the anti-seismic support hanger is movably connected with the T-shaped groove of the adjusting beam through an anti-seismic anchor bolt.
In one embodiment of the present invention, the device further comprises a servo controller, wherein the servo controller is connected with the force sensor and the servo motor;
the servo controller controls the loaded test waveform to be any one or combination of sine wave, square wave, triangular wave, oblique wave or sine block wave.
In one embodiment of the present invention, the output end of the output rod is connected to the connecting member by a ball joint.
In one embodiment of the present invention, the main frame is an aluminum alloy frame.
(III) advantageous effects
Compared with the prior art, the utility model has the advantages of it is following:
the embodiment of the utility model provides a pair of fatigue test equipment for a antidetonation gallows, it includes: the host frame is used for hoisting the anti-seismic support hanger; the servo electric cylinder comprises a servo motor, a ball screw and an output rod, wherein the fixed end of the servo motor is fixed to one side of the inner side wall of a host frame, the screw rod of the ball screw is coaxially connected with the output end of the servo motor, the output rod is fixedly connected with the screw nut of the ball screw, and the output end of the output rod is connected to the test end of the anti-seismic support hanger through a connecting piece. The servo electric cylinder is used for loading the test end of the anti-seismic support and hanger, so that the fatigue test of the anti-seismic support and hanger can be conveniently and reliably completed; the energy consumption is low, the occupied space is small, the maintenance is simple and convenient, the maintenance cost is low, the service life is long, and the stability is high; the operation is simple and convenient, the control is easy, and the data storage is convenient.
Drawings
Fig. 1 is a schematic perspective view of a fatigue testing apparatus for an earthquake-proof support hanger according to an embodiment of the present invention;
fig. 2 is a front view of a fatigue testing device for an earthquake-proof support hanger according to an embodiment of the present invention;
in the figure: 1: a host frame; 11: a cross beam; 12: erecting a beam; 13: adjusting the beam; 2: an anti-seismic support and hanger; 3: a tube test piece; 4: a servo electric cylinder; 5: a connecting member.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
In the description of the present invention, the terms "plurality", and "plural" mean two or more unless otherwise specified.
An antidetonation gallows includes vertical jib and is located the antidetonation bracing of vertical jib both sides, and the periphery of same installation card is all connected through fasteners such as bolt to the lower extreme of vertical jib and the lower extreme of the antidetonation bracing of both sides, and the installation card is used for installing the pipe test piece that the level was placed, bears through a tub test piece simulation antidetonation gallows. In order to solve the problem of the fatigue test of the anti-seismic support and hanger, the following technical scheme is provided:
as shown in fig. 1 and 2, the embodiment of the utility model provides a fatigue test equipment for antidetonation gallows 2, it includes:
the main frame 1 is used for hoisting the anti-seismic support and suspension bracket 2, and the anti-seismic support and suspension bracket 2 is installed at the lower part of the main frame 1 and conforms to the conventional installation mode of the anti-seismic support and suspension bracket 2 on the premise of meeting the standard requirement; the device is used for simulating the actual installation condition of the anti-seismic support and hanger 2 and preparing for the next fatigue test;
the servo electric cylinder 4 comprises a servo motor, a ball screw and an output rod, wherein the fixed end of the servo motor is fixed to one side of the inner side wall of the host frame 1, the servo motor is horizontally arranged in the host frame 1 and is used for loading from one side of the anti-seismic support and hanger 2, a screw rod of the ball screw is coaxially connected with the output end of the servo motor, the servo motor drives the screw rod to coaxially rotate, a screw nut is in threaded connection with the screw rod and is converted into linear motion of the screw nut along the screw rod through the rotation of the screw rod, and the output rod is fixedly connected with the screw nut of the ball screw rod so as to drive the output rod to do reciprocating linear motion; the output end of the output rod is connected to the test end of the anti-seismic support and hanger 2 through a connecting piece 5. The servo electric cylinder 4 is used for loading the test end of the anti-seismic support and hanger 2, so that the fatigue test of the anti-seismic support and hanger 2 can be conveniently and reliably completed; the servo electric cylinder 4 has the characteristics of no need of a hydraulic source, no need of cooling equipment, energy conservation and the like; the embodiment has the advantages of low energy consumption, small occupied space, simple and convenient maintenance, low maintenance cost, long service life and high stability; the operation is simple and easy to control, and the data is convenient to store.
Specifically, the rotational motion of the servo motor is converted into the linear motion of the output rod by the ball screw. Because the servo motor has good controllability and a large speed regulation range, a complex test loading function can be realized. The power-weight ratio is high, no noise and large, and can be used for displacement control and force control.
The maximum dynamic and static test force of the servo motor is +/-500N, and the stroke is +/-75 mm; loading speed: under the condition of 3hz, the loading stroke is not less than +/-20 mm (the total stroke is 40 mm); the motor power is not less than 0.47 kW.
Specifically, the length of the internal space of the main frame 1 is about 2400mm, the width is about 1000mm, the height is about 1000mm, the unfolding width of the anti-seismic diagonal brace of the mountable anti-seismic support and hanger 2 is not less than 1400mm, and the space is sufficient and reasonable. The whole machine of the main frame 1 is of a self-sealing structure, has high strength and good rigidity, and can ensure the reliability of various tests.
The utility model discloses a concrete embodiment, force sensor is connected to the output of output rod, can respond to loaded power size, direction etc. in real time through force sensor.
The utility model discloses an in the concrete embodiment, pipe test piece 3 is hung through the installation card to the lower extreme of a gallows 2 of combatting earthquake, and the installation card can be for U type card, and the inner space of U type card is as the installation space of pipe test piece 3, the output of output rod is connected to through connecting piece 5 a gallows 2 of combatting earthquake the installation card to link together servo electronic jar 4 and a gallows 2 of combatting earthquake, make things convenient for servo electronic jar 4 stable installation and convenient application of force, be convenient for to a gallows 2 loading of combatting earthquake.
In one embodiment of the present invention, the mainframe frame 1 is located in the both sides of the length direction of the pipe test piece 3 are open. All parts can be installed on the side and the upper part of the main frame 1, and as shown in the figure, the two sides of the main frame 1 are open, so that the installation and the adjustment of the pipe test piece 3 are facilitated.
In a specific embodiment of the present invention, the top wall and the bottom wall of the host frame 1 include a plurality of parallel cross beams 11, and a pair of opposite side walls of the host frame 1 include a plurality of parallel vertical beams 12;
the stiff end of servo motor is installed to one side lateral wall and is close to one at the middle part on the perpendicular roof beam 12, make things convenient for servo motor's position to adjust from top to bottom, also can install servo motor on other perpendicular roof beams 12 of perpendicular roof beam 12 both sides in the middle part to make things convenient for servo motor's position left and right sides adjustment.
The utility model discloses a concrete embodiment, perpendicular roof beam 12 is equipped with T type groove all around or at least relative both sides along length direction, the relative both sides of servo motor's stiff end are constructed respectively with the slider, the slider with T type groove sliding connection is fixed to conveniently adjust servo motor's upper and lower position, utilize the fastener to fix the slider in T type groove after adjusting servo motor's position, realize servo motor's rigidity.
In a specific embodiment of the present invention, the top wall of the mainframe frame 1 is located on the lower surface of the cross beam 11, and a plurality of adjusting beams 13 perpendicular to the length direction of the cross beam 11 are further disposed on the bottom surface of the adjusting beam 13, and a T-shaped groove is disposed along the length direction of the bottom surface of the adjusting beam 13, so as to facilitate installation and position adjustment of the anti-seismic support hanger 2, specifically, the adjusting beam 13 is horizontally disposed, and the number of the adjusting beams 13 is at least two, as shown in fig. 1, the number of the adjusting beams 13 is three, and of course, the number of the specifically disposed adjusting beams can be;
the lower surface of the cross beam 11 is provided with a plurality of adjusting holes arranged at intervals along the length direction, the adjusting beams 13 are connected with different adjusting holes to adjust the distance between the adjusting beams 13 so as to adapt to different distance adjusting requirements of the earthquake-resistant support and hanger 2, fasteners such as bolts can be prefabricated on the adjusting beams 13, and the adjusting beams 13 are installed on the cross beam 11 by penetrating the adjusting holes at corresponding positions through the bolts; the installation position is convenient to adjust, thereby meeting the installation requirements of different specifications of earthquake-proof supporting and hanging frames 2.
Of course, the adjusting beam 13 can be mounted on the cross beam 11 by other mounting methods, such as fixing bolts on both sides of the upper surface of the adjusting beam 13, placing a fixing plate on the upper surface of the cross beam 11 after adjusting the position of the adjusting beam 13, screwing the bolts onto the fixing plate, and fixing the position of the adjusting beam 13, as shown in fig. 1, which eliminates the step of providing adjusting holes on the cross beam 11.
Specifically, the upper end of the anti-seismic support and hanger 2 is movably connected with a T-shaped groove of the adjusting beam 13 through an anti-seismic anchor bolt, one end of the anti-seismic anchor bolt, which is positioned in the T-shaped groove, can be a T-shaped head, the position of the anti-seismic support and hanger 2 is adjusted by sliding the T-shaped head along the T-shaped groove, and the anti-seismic anchor bolt can be screwed after the position is adjusted, so that the T-shaped head is abutted against the top wall of the T-shaped groove; reliable connection and high strength.
In a specific embodiment of the present invention, the present invention further comprises a servo controller (not shown in the figure), wherein the servo controller is connected to the force sensor and the servo motor, and is configured to control the action of the servo motor according to a feedback signal of the force sensor; the servo controller of the embodiment is used for controlling displacement or test force, the control modes are switched randomly, and the servo controller can be loaded symmetrically or asymmetrically, supports the coordination control of each channel, and is convenient for carrying out various combined tests. Each control channel has a plurality of control modes (force, displacement and the like), and smooth undisturbed switching of the control modes can be realized.
The servo controller controls the loaded test waveform to be any one or combination of more of sine wave, square wave, triangular wave, oblique wave or sine block wave, and the loaded waveform is flexible and various.
The utility model discloses a concrete embodiment, the output of output pole with connecting piece 5 adopts the ball pivot to link together, and connecting piece 5 can be in the same place through the fastener with the installation card for connecting plate, connecting block etc. and connecting piece, and the middle part of connecting piece 5 is fixed with the connecting pipe for with the butt joint of pipe test piece 5, specifically, before fatigue test begins, need make pipe test piece 5 coaxial with the connecting pipe axis of connecting piece 3, and with both chucks through the card fastener.
The ball hinge is suitable for horizontal loading and also suitable for vertical loading, and loading can be carried out in free space.
The utility model discloses an in the concrete embodiment, host computer frame 1 adopts aluminum alloy frame, specifically is industry aluminum alloy ex-trusions, and rigidity is high, intensity is high.
As can be seen from the above embodiments, the utility model can conveniently and reliably complete the fatigue test of the anti-seismic support hanger 2 by loading the test end of the anti-seismic support hanger 2 through the servo electric cylinder 4; the servo electric cylinder 4 has the characteristics of no need of a hydraulic source, no need of cooling equipment, energy conservation and the like; the embodiment has the advantages of low energy consumption, small occupied space, simple and convenient maintenance, low maintenance cost, long service life and high stability.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A fatigue test equipment for an earthquake-resistant support hanger, comprising:
the host frame is used for hoisting the anti-seismic support hanger;
the servo electric cylinder comprises a servo motor, a ball screw and an output rod, wherein the fixed end of the servo motor is fixed to one side of the inner side wall of a host frame, the screw rod of the ball screw is coaxially connected with the output end of the servo motor, the output rod is fixedly connected with the screw nut of the ball screw, and the output end of the output rod is connected to the test end of the anti-seismic support hanger through a connecting piece.
2. A fatigue testing apparatus for an earthquake-resistant support and hanger according to claim 1, wherein the output end of said output rod is connected with a force sensor.
3. The fatigue testing apparatus for an earthquake-resistant support and hanger according to claim 1, wherein the lower end of the earthquake-resistant support and hanger suspends a pipe test piece by an installation clamp, and the output end of the output rod is connected to the installation clamp of the earthquake-resistant support and hanger by a connecting member.
4. A fatigue testing apparatus for an earthquake-resistant support and hanger according to claim 3, wherein the main frame is open at both sides in a length direction of the pipe test piece.
5. A fatigue testing apparatus for an earthquake resistant support and hanger as claimed in claim 1, wherein the top and bottom walls of the host frame comprise a plurality of parallel cross beams, and a pair of opposite side walls of the host frame comprise a plurality of parallel vertical beams;
the fixed end of the servo motor is installed to one side wall close to the middle of the vertical beam.
6. The fatigue testing apparatus for an earthquake-resistant support and hanger according to claim 5, wherein T-shaped grooves are formed around the vertical beam along the length direction, and sliding blocks are respectively constructed on two opposite sides of the fixed end of the servo motor and are slidably connected and fixed with the T-shaped grooves.
7. The fatigue testing equipment for the earthquake-resistant support and hanger frame as claimed in claim 5, wherein the top wall of the main frame is provided with a plurality of adjusting beams perpendicular to the cross beam on the lower surface of the cross beam, and the bottom surface of each adjusting beam is provided with a T-shaped groove along the length direction;
the lower surface of the cross beam is provided with a plurality of adjusting holes arranged at intervals along the length direction of the cross beam, and the adjusting beam is connected with the adjusting holes at corresponding positions through fasteners to be installed on the cross beam;
the upper end of the anti-seismic support hanger is movably connected with the T-shaped groove of the adjusting beam through an anti-seismic anchor bolt.
8. The fatigue testing apparatus for an earthquake-resistant support and hanger of claim 2, further comprising a servo controller connected with the force sensor and a servo motor;
the servo controller controls the loaded test waveform to be any one or combination of sine wave, square wave, triangular wave, oblique wave or sine block wave.
9. A fatigue testing apparatus for an earthquake-resistant support and hanger according to claim 1, wherein the output end of the output rod and the connecting member are connected together by a ball hinge.
10. The fatigue testing apparatus for an earthquake-resistant support and hanger according to claim 1, wherein the main frame is an aluminum alloy frame.
CN201921172048.5U 2019-07-24 2019-07-24 Fatigue test equipment for anti-seismic support and hanger Active CN210166137U (en)

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CN201921172048.5U CN210166137U (en) 2019-07-24 2019-07-24 Fatigue test equipment for anti-seismic support and hanger

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Application Number Priority Date Filing Date Title
CN201921172048.5U CN210166137U (en) 2019-07-24 2019-07-24 Fatigue test equipment for anti-seismic support and hanger

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110320019A (en) * 2019-07-24 2019-10-11 北京建筑材料检验研究院有限公司 Fatigue testing equipment for antidetonation suspension and support

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110320019A (en) * 2019-07-24 2019-10-11 北京建筑材料检验研究院有限公司 Fatigue testing equipment for antidetonation suspension and support

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Address after: 100041 No. 69 Jinding North Road, Beijing, Shijingshan District

Patentee after: Beijing Building Materials Inspection and Research Institute Co., Ltd.

Address before: 100041 No. 69 Jinding North Road, Beijing, Shijingshan District

Patentee before: BEIJING BUILDING MATERIALS TESTING ACADEMY Co.,Ltd.