CN203811459U - Static load test device for concrete beam - Google Patents
Static load test device for concrete beam Download PDFInfo
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- CN203811459U CN203811459U CN201420045698.4U CN201420045698U CN203811459U CN 203811459 U CN203811459 U CN 203811459U CN 201420045698 U CN201420045698 U CN 201420045698U CN 203811459 U CN203811459 U CN 203811459U
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- concrete
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- linear displacement
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Abstract
The utility model discloses a static load test device for a concrete beam. The static load test device comprises a base (1), a beam (2) and upright posts (3), wherein external threads are formed in the upright posts (3); the upright posts (3) are fixedly connected with the base (1) and the beam (2) through thread matching; a hydraulic jack (6), a load sensor (8) and a load distribution beam (7) are mounted on the bottom surface of the beam (2) in sequence; first spherical hinges (10) for transmitting load to the concrete beam (19) are respectively arranged at two ends on the bottom surface of the load distribution beam (7); adjustment holes (5) are formed in the top of the base (1); the base (1) is fixedly connected with support seats (9), which are used for bearing the concrete beam (19), through the adjustment holes (5); second spherical hinges (11) are arranged at the tops of the support seats (9); linear displacement sensors for detecting deformation of the concrete beam (19) are mounted on the base (1); the hydraulic jack (6) is used for applying load to the concrete beam (19); a computer (16) is used for conducing analysis and processing on acquired signals and can monitor the test process. The static load test device can be adapted to load test on concrete beams of different sizes by adjusting the beam (2) and support seats (9); the whole static load test device can be assembled and disassembled, and is convenient to store and transport.
Description
Technical field
The utility model relates to field of civil engineering, specifically a kind of beams of concrete static loading test device.
Background technology
Known, in field of civil engineering, beams of concrete is the main supporting member as structure, and the load-bearing capacity of research concrete component has become the key content of Structural Engineering research at present, and beams of concrete is carried out to static loading test, is one of comparatively effective technological means wherein.In the test of beams of concrete its static performance, be the interim charger scrabbling up by stacking the methods such as weight mostly at present, the test error producing in process of the test is larger; And existing charger is generally the fixed one-piece construction that occupation of land is larger, move inconvenience, and can only be applicable to the load test of single size beams of concrete, utilization factor is lower.
Summary of the invention
The purpose of this utility model is to provide a kind of beams of concrete static loading test device, this device can adapt to the static loading test of the mixed earth beam of different size, load test process is passed through to computing machine complete monitoring, and for convenience detach and assembling, be beneficial to and deposit and transport.
The utility model solves the technical scheme that its technical matters adopts:
A beams of concrete static loading test device, comprises base, crossbeam, is positioned at the column that base both sides are fixedly connected with base and crossbeam respectively, and crossbeam bottom surface is provided with successively hydraulic jack downwards and loads distribution beam; The two ends, bottom surface of described loading distribution beam are respectively equipped with the first ball pivot that transmits load to beams of concrete, and described base top is fixedly connected with the bearing of carrying beams of concrete, and bearing top is provided with the second ball pivot; Between described hydraulic jack and loading distribution beam, be provided with load transducer; Described floor installation has the linear displacement transducer that detects beams of concrete generation deformation; Described test unit also comprises the computing machine for the treatment of load transducer and linear displacement transducer signal, and load transducer and linear displacement transducer are by hyperchannel strain acquirement instrument access computing machine.
Further, the cylinder of described column is provided with external thread, and crossbeam is provided with vertical through hole, and column passes through hole and is fixedly connected with crossbeam by nut; Base top both sides are respectively equipped with mounting hole, and column is fixed and is connected with whorl of base by mounting hole.
Further, described base top is provided with one group of adjustment hole vertically, and bearing is fixed and is connected with whorl of base by adjustment hole.
Further, the first linear displacement transducer of described linear displacement transducer inclusion test beams of concrete middle part deformation and the second linear displacement transducer and the 3rd linear displacement transducer that detects respectively the deformation of beams of concrete two ends.
In such scheme, load transducer is widely used in civil engineering work load force measurement; Linear displacement transducer can be measured straight line mechanical displacement, is ripe electric product; Hyperchannel strain acquirement instrument can carry out online multiplexed signal sampling by coupled computer, easy to use, is the conventional electric product of fields of measurement.
The beneficial effects of the utility model are, by hydraulic jack, to beams of concrete load application, and by computing machine, the deformation displacement of the load applying and beams of concrete are carried out to analyzing and processing, handled easily personnel control process of the test; Crossbeam and bearing can regulate along vertical and horizontal direction respectively, can meet the testing requirements of different size beams of concrete; Give up traditional integral structure, each parts adopt threaded engagement to connect, and installing/dismounting is quick, is convenient to deposit and transport.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the vertical view of base in Fig. 1;
Fig. 3 is electrical principle block diagram of the present utility model.
Embodiment
As shown in Figure 1 and Figure 2, the concrete static(al) load testing machine that the utility model provides comprises base 1, crossbeam 2, is positioned at the column 3 that base 1 both sides are fixedly connected with base 1 and crossbeam 2 respectively, base 1 both sides, top are respectively equipped with mounting hole 4, the cylinder of column 3 is provided with external thread, and column 3 is fixedly connected with base 1 threaded engagement by mounting hole 4; Crossbeam 2 both sides are provided with vertical through hole, and column 3 passes through hole and is fixedly connected with crossbeam 2 by nut 18; Crossbeam 2 bottom surfaces are provided with successively hydraulic jack 6, load transducer 8 downwards and load distribution beam 7, and the two ends, bottom surface that load distribution beam 7 are respectively equipped with the first ball pivot 10 that transmits load to beams of concrete 19; Base 1 is provided with two bearings 9 of carrying beams of concrete 19, and bearing 9 tops are provided with the second ball pivot 11; Base top 1 is provided with one group of adjustment hole 5 vertically, and bearing 9 is fixedly connected with base 1 threaded engagement by adjustment hole 5; Base 1 is installed with the linear displacement transducer that detects beams of concrete 19 generation deformation, comprises and detects the first linear displacement transducer 12 of beams of concrete 19 middle part deformation and the second linear displacement transducer 13 and the 3rd linear displacement transducer 14 that detects respectively beams of concrete 19 two ends deformation; Shown in Fig. 3, described test unit also comprises the computing machine 16 with linear displacement transducer signal for the treatment of load transducer 8, and load transducer 8 accesses computing machines 16 with linear displacement transducer by hyperchannel strain acquirement instrument 15.
During use, base 1 fixes on the ground, adjusts the position of bearing 9, the two ends of beams of concrete 19 is placed on the second ball pivot 11 of bearing 9, regulates crossbeam 2, and the first ball pivot 10 that makes to load under distribution beam 7 is pressed in beams of concrete 19 tops, then regulate hydraulic jack 6, to loading distribution beam 7 load applications, by the first ball pivot 10, transfer the load to beams of concrete 19, after this constantly regulate hydraulic jack 6, to beams of concrete 19, increase load, until beams of concrete 19 destroys, in process of the test, load transducer 8 detects the load that hydraulic jack 6 applies in real time, the first linear displacement transducer 12 detects the span centre displacement of beams of concrete 19, the second linear displacement transducer 13 and the 3rd linear displacement transducer 14 detect the support displacement of beams of concrete 19, and will detect data acquisition to computing machine 16 by hyperchannel strain acquirement instrument 15, by computing machine 16, carry out analyzing and processing, calculate the span centre absolute displacement of beams of concrete 19, and the corresponding relation of span centre absolute displacement and institute's load application, and be presented on the display 17 of computing machine 16, handled easily personnel observe.
For the beams of concrete of different size, can regulate crossbeam 2 to adapt to concrete depth of beam at vertical direction, bearing 9 is fixed on different adjustment hole 5 to adapt to the length of beams of concrete, thereby meets the testing requirements of different size beams of concrete; Mechanical part in the utility model is all that the mode by threaded engagement is fixedly connected with, and can remove and install soon, is convenient to deposit and transport.
The above, be only preferred embodiment of the present utility model, not the utility model done to any pro forma restriction; Any those of ordinary skill in the art, do not departing from technical solutions of the utility model scope situation, all can utilize method and the technology contents of above-mentioned announcement to make many possible changes and modification to technical solutions of the utility model, or be revised as the equivalent embodiment of equivalent variations.Therefore; every content that does not depart from technical solutions of the utility model; according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, be equal to replacements, equivalence changes and modify, all still belong in the scope that technical solutions of the utility model protect.
Claims (4)
1. a beams of concrete static loading test device, comprise base (1), crossbeam (2), be positioned at the column (3) that base (1) both sides are fixedly connected with base (1) and crossbeam (2) respectively, crossbeam (2) bottom surface is provided with successively hydraulic jack (6) downwards and loads distribution beam (7), it is characterized in that, the two ends, bottom surface of described loading distribution beam (7) are respectively equipped with the first ball pivot (10) that transmits load to beams of concrete (19), described base (1) top is fixedly connected with the bearing (9) of carrying beams of concrete (19), bearing (9) top is provided with the second ball pivot (11), between described hydraulic jack (6) and loading distribution beam (7), be provided with load transducer (8), described base (1) is provided with and detects the linear displacement transducer that beams of concrete (19) produces deformation, described test unit also comprises the computing machine (16) with linear displacement transducer signal for the treatment of load transducer (8), and load transducer (8) accesses computing machine (16) with linear displacement transducer by hyperchannel strain acquirement instrument (15).
2. a kind of beams of concrete static loading test device according to claim 1, it is characterized in that, the cylinder of described column (3) is provided with external thread, crossbeam (2) is provided with vertical through hole, and column (3) is also fixedly connected with crossbeam (2) by nut (18) through through hole; Base (1) both sides, top are respectively equipped with mounting hole (4), and column (3) is fixedly connected with base (1) threaded engagement by mounting hole (4).
3. a kind of beams of concrete static loading test device according to claim 1 and 2, it is characterized in that, described base (1) top is provided with one group of adjustment hole (5) vertically, and bearing (9) is fixedly connected with base (1) threaded engagement by adjustment hole (5).
4. a kind of beams of concrete static loading test device according to claim 1 and 2, it is characterized in that first linear displacement transducer (12) of described linear displacement transducer inclusion test beams of concrete (19) middle part deformation and the second linear displacement transducer (13) and the 3rd linear displacement transducer (14) that detect respectively beams of concrete (19) two ends deformation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420045698.4U CN203811459U (en) | 2014-01-24 | 2014-01-24 | Static load test device for concrete beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420045698.4U CN203811459U (en) | 2014-01-24 | 2014-01-24 | Static load test device for concrete beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203811459U true CN203811459U (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420045698.4U Expired - Fee Related CN203811459U (en) | 2014-01-24 | 2014-01-24 | Static load test device for concrete beam |
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| Country | Link |
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| CN (1) | CN203811459U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776685A (en) * | 2014-01-24 | 2014-05-07 | 安徽省（水利部淮河水利委员会）水利科学研究院 | Static force load testing device for concrete beam |
| CN106197981A (en) * | 2016-08-12 | 2016-12-07 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of electromotor auxiliary installs joint finite element analysis charger and method |
| CN108398327A (en) * | 2018-05-16 | 2018-08-14 | 扬州中矿建筑新材料科技有限公司 | A kind of adjustable mechanics load testing machine of self-balancing |
| CN115248112A (en) * | 2022-07-28 | 2022-10-28 | 华南理工大学 | Structure, device and method for testing flexural performance of frame beam support |
| CN115290315A (en) * | 2022-10-08 | 2022-11-04 | 安徽中亚钢结构工程有限公司 | Device and method for testing mechanical properties of grid structure support of clinker silo |
-
2014
- 2014-01-24 CN CN201420045698.4U patent/CN203811459U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776685A (en) * | 2014-01-24 | 2014-05-07 | 安徽省（水利部淮河水利委员会）水利科学研究院 | Static force load testing device for concrete beam |
| CN106197981A (en) * | 2016-08-12 | 2016-12-07 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of electromotor auxiliary installs joint finite element analysis charger and method |
| CN108398327A (en) * | 2018-05-16 | 2018-08-14 | 扬州中矿建筑新材料科技有限公司 | A kind of adjustable mechanics load testing machine of self-balancing |
| CN115248112A (en) * | 2022-07-28 | 2022-10-28 | 华南理工大学 | Structure, device and method for testing flexural performance of frame beam support |
| CN115290315A (en) * | 2022-10-08 | 2022-11-04 | 安徽中亚钢结构工程有限公司 | Device and method for testing mechanical properties of grid structure support of clinker silo |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20180124 |