CN214748731U

CN214748731U - Civil engineering structure anti-seismic test device

Info

Publication number: CN214748731U
Application number: CN202120739923.4U
Authority: CN
Inventors: 苏清林
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-11-16
Anticipated expiration: 2031-04-12

Abstract

The utility model discloses a civil engineering structure shock resistance test device belongs to civil engineering technical field, including base, electric liquid servo actuator and vibration platform, the inside fixed mounting of base has electric liquid servo actuator, and electric liquid servo actuator sets up quantity and is a plurality of, and every electric liquid servo actuator other end all forms a complete set and is provided with vibration platform, and the base top is provided with pressure intensifying structure, encloses the fender structure, and pressure intensifying structure includes lead screw slide rail, slider, chain, pole setting and counter weight. The utility model discloses in, when the lead screw slide rail drove the slider rebound, the accessible chain was placed pole setting and counter weight on the model, and the weight of placing through the counter weight is different, can change the load of model floor, adjusts the structural quality to carry out model shock test, make experimental effect reach the best, and the model vibrations after collapsing, the accessible chain with pole setting monolithic stationary half empty, avoid dropping along with the model together.

Description

Civil engineering structure anti-seismic test device

Technical Field

The utility model belongs to the technical field of civil engineering, specifically be a civil engineering structure shock resistance test device.

Background

Civil engineering is a general name of various technologies built on the ground, most of the existing application ranges are reinforced concrete structures, the anti-seismic effect is good, and the structures are stable.

The anti-seismic testing device for the civil engineering structure is found to be CN202021471300.5 through retrieval, the telescopic rod can be lengthened through unscrewing the bolt, the added length of the telescopic cylinder and the telescopic rod is adjusted, the left-right vibration amplitude is changed, the structure is simple and easy to operate, the first plate is pushed downwards through the hydraulic push rod, the first plate extrudes the first spring, then the hydraulic push rod retracts, the first spring recovers elasticity, the first plate is driven to vibrate up and down, the purpose of vibrating up and down is achieved, the extrusion amplitude of the first spring is adjusted through adjusting the pushing distance of the hydraulic push rod, the purpose of adjusting the up-down vibration amplitude is achieved, the structure is simple and easy to operate, the anti-seismic testing device is convenient to adjust the vibration amplitude, and the structure is simple and low in cost;

wherein, the deficiency points are as follows:

this technical scheme can't effectually be different through the bearing, and the different effects that the reaction antidetonation test produced, and test the contrast, and the phenomenon of collapsing can appear at the in-process of vibrations in the model simultaneously, and the fragment can pound and fall on vibrations mechanism periphery, damages peripheral object, and is difficult for clearing up.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve civil engineering structure when carrying out the shock test, unable simple effectual operation of testing, and can't carry out the contrast of test effect through the bearing difference effectively, the model is collapsed the back, and the not enough problem of protective structure provides a civil engineering structure antidetonation test device.

The utility model adopts the technical scheme as follows: the utility model provides a civil engineering structure anti-seismic testing device, includes base, electricity liquid servo actuator and vibrations platform, the inside fixed mounting of base has electricity liquid servo actuator, and electricity liquid servo actuator sets up quantity and is a plurality of, every electricity liquid servo actuator other end all forms a complete set and is provided with vibrations platform, the base top is provided with pressure intensifying structure, encloses the fender structure.

Wherein, pressure boost structure includes lead screw slide rail, slider, chain, pole setting and counter weight.

The lead screw slide rail is fixedly arranged on two sides of the upper portion of the base, and each lead screw slide rail is provided with a slide block in a matched mode on one side, a chain is arranged on the surface of the outer side of the slide block, a vertical rod is fixedly arranged on the other end of the chain, counterweight weights are movably connected to the outer side of the vertical rod, and the counterweight weights are arranged in a plurality of quantity, and each weight of the counterweight weights is different.

Enclose fender structure and include telescopic link, fastening screw, bracing, enclose fender and connecting rod, wherein, the telescopic link slides and sets up directly over the base, and the telescopic link sets up quantity and is a plurality of, distributes around base top surface, every the telescopic link outside all rotates and is provided with fastening screw, telescopic link one side is rotated and is provided with the bracing, telescopic link upper end sliding connection has encloses the fender, telescopic link opposite side fixed mounting has the connecting rod.

Enclose and keep off and the inside equal embedding of base and be provided with the slide rail, and the telescopic link both ends all are provided with the slider with enclosing fender and base junction, and the slider agrees with the setting with the slide rail.

The electro-hydraulic servo actuator and the lead screw slide rail are electrically connected with an external power supply through a switch.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, when the lead screw slide rail drove the slider rebound, the accessible chain was placed pole setting and counter weight on the model, and the weight of placing through the counter weight is different, can change the load of model floor, adjusts the structural quality to carry out model shock test, make experimental effect reach the best, and the model vibrations after collapsing, the accessible chain with pole setting monolithic stationary half empty, avoid dropping along with the model together.

2. The utility model discloses in, because of the bracing cross section rotates, inwards draw close when tensile with the telescopic link, be provided with the slide rail because of enclosing the inside equal embedding of fender and base, and the telescopic link both ends with enclose fender and base junction and all be provided with the slider, the slider agrees with the setting with the slide rail, the setting of slide rail and slider, auxiliary telescopic link draws close inwards, the messenger encloses the height of fender and increases thereupon, form the rail guard when vibrations to the model, avoid the model to collapse the lead screw slide rail of injure both sides by a crashing object after, and the later stage of being convenient for is cleared up the model after the experiment.

Drawings

FIG. 1 is a schematic diagram of the overall side structure of the present invention;

FIG. 2 is a schematic diagram of a three-dimensional structure of the middle telescopic rod of the present invention;

fig. 3 is a schematic diagram of a downward structure of the base of the present invention.

The labels in the figure are: 1. a base; 101. an electro-hydraulic servo actuator; 102. vibrating the platform; 2. a screw slide rail; 201. a slider; 202. a chain; 203. erecting a rod; 204. counterweight weights; 3. a telescopic rod; 301. fastening a screw rod; 302. bracing; 303. fencing; 304. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses in:

referring to fig. 1-3, including base 1, electro-hydraulic servo actuator 101 and vibrations platform 102, the inside fixed mounting of base 1 has electro-hydraulic servo actuator 101, and electro-hydraulic servo actuator 101 sets up quantity and is a plurality of, and every electro-hydraulic servo actuator 101 other end all forms a complete set and is provided with vibrations platform 102, and base 1 top is provided with pressure boost structure, encloses the fender structure.

Further, the pressurizing structure comprises a screw rod slide rail 2, a slide block 201, a chain 202, a vertical rod 203 and a counterweight 204.

Further, lead screw slide rail 2 is fixed to be set up in 1 top both sides of base, 2 one side of every lead screw slide rail is all supporting to be provided with slider 201, slider 201 outside surface mounting has chain 202, chain 202 other end fixed mounting has pole setting 203, pole setting 203 outside swing joint has counter weight 204, and counter weight 204 sets up quantity to be a plurality of, the weight of every counter weight 204 all is provided with the difference, when lead screw slide rail 2 drives slider 201 rebound, accessible chain 202 places pole setting 203 and counter weight 204 on the model, the weight of placing through counter weight 204 is different, can change the load of model floor, adjustment structure quality, and the model vibrations collapse the back, accessible chain 202 is with pole setting 203 monolithic stationary at half empty.

Further, enclose and keep off the structure and include telescopic link 3, fastening screw 301, bracing 302, enclose and keep off 303 and connecting rod 304, wherein, telescopic link 3 slides and sets up directly over base 1, telescopic link 3 sets up quantity and is a plurality of, distribute around the surface of base 1 top, 3 outsides of every telescopic link all rotate and are provided with fastening

screw

301, 3 one sides of telescopic link are rotated and are provided with

bracing

302, 3 upper end sliding connection of telescopic link encloses and keep off 303, 3 opposite side fixed mounting of telescopic link have connecting rod 304, rotate because of bracing 302 cross section, inwards draw close when 3 tensile telescopic link 3, the height that the messenger enclosed and keep off 303 increases thereupon.

Further, enclose that keep off 303 and base 1 inside all imbeds and be provided with the slide rail, and 3 both ends of telescopic link with enclose and keep off 303 and base 1 junction and all be provided with the slider, the slider agrees with the setting with the slide rail, the setting of slide rail and slider, supplementary telescopic link 3 inwards draws close.

Further, the electro-hydraulic servo actuator 101 and the lead screw slide rail 2 are both electrically connected with an external power supply through a switch.

The working principle is as follows: firstly, according to a certain proportion, an actual civil structure is made into a model, the model is placed above a vibration platform 102, then when a screw rod slide rail 2 drives a slide block 201 to move upwards, a vertical rod 203 and a balance weight 204 can be placed on the model through a chain 202, the load of the floor of the model can be changed through different weights placed by the balance weight 204, the structural quality is adjusted, thereby a model vibration test is carried out, the test effect is optimal, after the model vibration collapses, the vertical rod 203 can be integrally fixed in a semi-hollow state through the chain 202, the falling down along with the model is avoided, then, due to the rotation of the cross part of an inclined strut 302, a telescopic rod 3 stretches and simultaneously draws inwards, because the fence 303 and a base 1 are both embedded with slide rails, and the joints of the two ends of the telescopic rod 3, the fence 303 and the base 1 are both provided with slide blocks, the slide blocks are arranged in a fit with the slide rails, and the slide rails are arranged, supplementary telescopic link 3 is inwards drawn close, make the height of enclosing fender 303 increase thereupon, form the rail guard to the model when vibrations, avoid the model to collapse the back and injure the lead screw slide rail 2 of both sides by a crashing object, and the later stage of being convenient for is cleared up the model after the experiment, utilize electro-hydraulic servo actuator 101 to make somebody a mere figurehead the setting with shaking platform 102 at last, place the model in shaking platform 102 top, utilize electro-hydraulic servo actuator 101 to stretch out and draw back, control about, pulling shaking platform 102 from top to bottom, can shake the model, thereby carry out anti-seismic testing to the model, through the observation to the model, the antidetonation effect of detectable model.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a civil engineering structure antidetonation test device, includes base (1), electricity liquid servo actuator (101) and vibrations platform (102), base (1) internally mounted has electricity liquid servo actuator (101), and electricity liquid servo actuator (101) set up quantity and be a plurality of, every electricity liquid servo actuator (101) other end all forms a complete set and is provided with vibrations platform (102), its characterized in that: a pressurizing structure and an enclosing structure are arranged above the base (1).

2. A civil engineering structure earthquake resistance test device as claimed in claim 1, wherein: the pressurizing structure comprises a screw rod slide rail (2), a slide block (201), a chain (202), a vertical rod (203) and a counterweight (204).

3. A civil engineering structure earthquake resistance test device as claimed in claim 2, wherein: lead screw slide rail (2) are fixed to be set up in base (1) top both sides, every lead screw slide rail (2) one side all is provided with slider (201), slider (201) outside surface mounting has chain (202), chain (202) other end fixed mounting has pole setting (203), pole setting (203) outside swing joint has counter weight (204), and counter weight (204) set up quantity and be a plurality of, every the weight of counter weight (204) all is provided with the difference.

4. A civil engineering structure earthquake resistance test device as claimed in claim 1, wherein: enclose and keep off the structure and include telescopic link (3), fastening screw (301), bracing (302), enclose fender (303) and connecting rod (304), wherein, telescopic link (3) slide to set up directly over base (1), and telescopic link (3) set up quantity to be a plurality of, distribute around base (1) top surface, every the equal swing joint in telescopic link (3) outside has fastening screw (301), telescopic link (3) one side is rotated and is provided with bracing (302), telescopic link (3) upper end sliding connection has encloses fender (303), telescopic link (3) opposite side fixed mounting has connecting rod (304).

5. A civil engineering structure antidetonation test device as claimed in claim 4, characterized in that: enclose fender (303) and base (1) inside all be provided with the slide rail, and telescopic link (3) both ends all are provided with the slider with enclosing fender (303) and base (1) junction, and the slider agrees with the setting with the slide rail.

6. A civil engineering structure earthquake resistance test device as claimed in claim 1, wherein: the electro-hydraulic servo actuator (101) and the lead screw slide rail (2) are electrically connected with an external power supply through a switch.