CN204903271U - Pull rod formula plane counter -force device - Google Patents
Pull rod formula plane counter -force device Download PDFInfo
- Publication number
- CN204903271U CN204903271U CN201520109417.1U CN201520109417U CN204903271U CN 204903271 U CN204903271 U CN 204903271U CN 201520109417 U CN201520109417 U CN 201520109417U CN 204903271 U CN204903271 U CN 204903271U
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- China
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- channel beam
- pull bar
- left column
- right column
- box longeron
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Abstract
The utility model relates to a pull rod formula plane counter -force device, it includes first left stand, second left side stand, first right stand, second right side stand, the first cell type crossbeam of connection between first left stand and second left side stand, first anchor roof beam, the second cell type crossbeam of connection between first right stand and second right side stand, second anchor roof beam, the box longeron, the first second that excels in the pull rod and be connected second cell type crossbeam and box longeron of connecting first cell type crossbeam and the box longeron pull rod that excels in. The utility model discloses a pull rod that excels in realizes that the beam type reaction frame draws the two -way supporting effect of pressing, and simple to operate, debugging nature is strong, and application scope is wide, can be used to multiple type civil engineering structure and member experimental study.
Description
Technical field
The utility model belongs to structural testing setup field, is specifically related to a kind of rod-pulling type plane counterforce device.
Background technology
Load counterforce device and pedestal be meet the design of civil engineering structure trial load, realize Load cases, structure stress and boundary condition requirement and warranty test load one of key condition normally carried out.Reaction frame is then a kind of load counterforce device the most frequently used in civil engineering structure test, is carry out the load fulcrum arrangement that experimental teaching is tested and various scientific research and testing all be unable to do without.Still there is following problem in existing reaction frame fulcrum arrangement: (1) complex structure, function singleness, and majority only can provide single-way counter-force, can not provide tension compression bidirectional counter-force; (2) scope of application is little, and majority can only meet single-point and load requirement, cannot carry out multipoint excitation test; (3) install, dismounting, adjusting function is poor, affects reaction frame service efficiency low.Therefore, proposing the reaction frame fulcrum arrangement of a set of novel improved, is the important technological problems of carrying out civil engineering structure test.
Given this, inventor furthers investigate the problems referred to above, then has this case to produce.
Utility model content
The purpose of this utility model be to provide a kind of structure simple, applied widely, tension and compression double acting plane counterforce device easy to adjust is installed.
In order to achieve the above object, the utility model adopts such technical scheme:
A kind of rod-pulling type plane counterforce device, comprise left column, right column and the tie-beam be arranged between left column and right column, described left column comprises the first left column and the second left column laid along the longitudinal direction, described right column comprises the first right column and the second right column laid along the longitudinal direction, corresponding first right column of first left column is arranged, corresponding second right column of second left column is arranged, described tie-beam comprises the first channel beam, the box longeron of the second channel beam and connection the first channel beam and the second channel beam, first channel beam is arranged between the first left column and the second left column, second channel beam is arranged between the first right column and the second right column, one end of box longeron is by the first high-strength pull bar, first anchoring beam is connected on the first channel beam, the other end of box longeron is by the second high-strength pull bar, second anchoring beam is connected on the second channel beam, first high-strength pull bar runs through the first anchoring beam, first channel beam and box longeron, the upper end of the first high-strength pull bar is provided with the first supporting top nut, the lower end of the first high-strength pull bar is provided with the first supporting lower nut, second high-strength pull bar runs through the second anchoring beam, second channel beam and box longeron, the upper end of the second high-strength pull bar is provided with matching used second top nut, the lower end of the second high-strength pull bar is provided with matching used second lower nut.
In such scheme, described first channel beam comprises the first trough girder and the second trough girder, described first left column and the second left column are folded between the first trough girder and the second trough girder, described second channel beam comprises the 3rd trough girder and the 4th trough girder, and described first right column and the second right column are folded between the 3rd trough girder and the 4th trough girder.
As a kind of embodiment, described first channel beam and described second channel beam are all connected to the upper surface of described box longeron.
As another kind of embodiment, described first channel beam and described second channel beam are all connected to the lower surface of described box longeron.
Preferred as one, described left column is provided with multiple first screws longitudinally laid, on described first channel beam, correspondence offers the first lock hole, described first channel beam is locked on described left column by high-strength bolt, described right column is provided with multiple second screws longitudinally laid, on described second channel beam, correspondence offers the second lock hole, and described second channel beam is locked on described right column by high-strength bolt.
In such scheme, described first high-strength pull bar and described second high-strength pull bar are two.
In such scheme, in described box longeron, be provided with multiple stiffening plate laid along described box longeron length direction.
Also comprise the equipment conversion equipment of the lifting bolt be arranged on described box longeron and the lower surface being arranged on described box longeron.
Rod-pulling type plane counterforce device tool of the present utility model has the following advantages:
(1), this device by ingenious arrange high-strength pull bar can realize tension compression bidirectional fatigue loading test.Tradition reaction frame is difficult to realize the torture test of tested component tension compression bidirectional, and ingenious the first high-strength pull bar and the second high-strength pull bar of utilizing of the utility model achieves vertical tension compression bidirectional fatigue loading test demand.Traditional reaction frame generally comprises entablature, sill and reaction beam, Weak link (there is not pretightning force between reaction beam and lower and upper cross-member) is adopted between reaction beam and lower and upper cross-member, under reciprocating load, reaction beam in the horizontal and vertical direction direction all can produce obvious rigid body displacement, can not meet testing requirements.Connection in rod-pulling type plane counterforce device between box longeron and the first channel beam and the second channel beam is strong ties, this is because at box longeron and the first anchoring beam, the first high-strength pull bar through pretension and the second high-strength pull bar is provided with between second anchoring beam, when box longeron is placed in the top of the first channel beam and the second channel beam, box longeron and the pressure between the first channel beam and the second channel beam are the design pretightning force of the first high-strength pull bar and the second high-strength pull bar and box longeron and the deadweight sum (usual box longeron connects hydraulically operated equipment (HOE) to realize vertical loading) being connected hydraulically operated equipment (HOE), when box longeron is placed in the below of the first channel beam and the second channel beam, the deadweight of box longeron and connection hydraulically operated equipment (HOE) is born by the first high-strength pull bar and the second high-strength pull bar, box longeron and the pressure between the first channel beam and the second channel beam are the difference of the design pretightning force of the first high-strength pull bar and the second high-strength pull bar and box longeron and the deadweight being connected hydraulically operated equipment (HOE), but the design pretightning force of the first high-strength pull bar and the second high-strength pull bar is often much larger than box longeron and the deadweight being connected hydraulically operated equipment (HOE), therefore, within the scope of permission experiment load, this device perfection can realize tension and compression double acting torture test.This is also the core place that this device is different from other traditional reaction frames.
(2) in the utility model, box longeron can be arranged on the top of the first channel beam and the second channel beam, also the below of the first channel beam and the second channel beam can be arranged on, when the first channel beam and the second channel beam position are fixed, by the dismounting of the first high-strength pull bar and the second high-strength pull bar with install the switching that can complete box longeron upper-lower position, realize the target of quick adjustment longeron height, enhancing test capability of the present utility model and range of application, is also the specific function not available for classical inverse power apparatus.
(3) this device installation, dismounting, flexible adjustment are conveniently.In traditional reaction frame, reaction beam and column adopt two crossbeam mode up and down to fix, and crossbeam often adopts and column web connected mode, need when such reaction beam height regulates to remove all transom bolts and also crossbeam can only move along stem height direction, regulate more difficult.Structure of the present utility model is adopted to regulate box longeron height, then mainly through unloading and install the first high-strength pull bar, the second high-strength pull bar and mobile first channel beam in place and the second channel beam can complete, dismounting is very convenient, effectively can improve service efficiency and the test capability of counterforce device;
(4), this device one-piece construction is simple, easily manufactured, feature richness.This device one-piece construction load path is clear and definite, processing and fabricating convenient, cost is low has popularization exemplary role.After this device connects hydraulic pressure loading equipemtn on equipment conversion equipment, unidirectional loading and the requirement of tension compression bidirectional load test of the various structures components such as civil engineering work beam, plate, post, body of wall can be met.In addition, supporting horizontal loading apparatus, this device also can meet carry out the requirement of the various large scale structure such as node, framework component Experimental Study on Seismic Behavior, test function is very abundant;
(5) the utility model adopts the fall crossbeam type version of the box longeron of high strength, high rigidity, and version is more reasonable, can increase the stability of whole counterforce device;
(6) consider the expansion switching performance of the utility model left column and right column and box longeron, this device possesses abundant upgrading space and good Scalable Performance.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is the enlarged drawing at A place in Fig. 1;
Fig. 3 is left view of the present utility model;
Fig. 4 is right view of the present utility model;
Fig. 5 is the structural representation of the first trough girder in the utility model;
Fig. 6 is the structural representation of the second trough girder in the utility model;
Fig. 7 is the structural representation of the 3rd trough girder in the utility model;
Fig. 8 is the structural representation of the 4th trough girder in the utility model;
In figure:
11-first left column 12-second left column
13-first screw 21-second right column
22-second right column 23-second screw
30-first high-strength pull bar 31-first top nut
The high-strength pull bar of 32-first lower nut 40-second
41-second top nut 42-second lower nut
51-first channel beam 52-second channel beam
60-box longeron 61-stiffening plate
70-equipment conversion equipment 81-first anchoring beam
82-second anchoring beam 90-lifts bolt
101-web 102-wing plate
The web of 103-ribbed stiffener 201-second trough girder
The web of web 401-the 4th trough girder of 301-the 3rd trough girder
Embodiment
In order to explain the technical solution of the utility model further, be described in detail below in conjunction with accompanying drawing.
Referring to figs. 1 through Fig. 4, a kind of rod-pulling type plane counterforce device, the tie-beam comprising left column, right column and be arranged between left column and right column.In the utility model, described left column comprises the first left column 11 and the second left column 12, first left column 11 and the second left column 12 are one in front and one in back parallel to be stood in testing bed, testing stand (not shown), described right column comprises the first right column 21 and the second right column 22, first right column 21 stands on testing bed, testing stand with the second right column 22 is one in front and one in back parallel, corresponding first right column 21 of first left column 11 is arranged, corresponding second right column 22 of second left column 12 is arranged, and the first left column 11 is equal with the spacing of the second right column 22 with the first right column 21 with the spacing of the second left column 12, spacing between first left column 11 with the first right column 21 is identical with the spacing between the second left column 12 and the second right column 22.
Tie-beam described in the utility model comprises the first channel beam 51, second channel beam 52 and connects the box longeron 60 of the first channel beam 51 and the second channel beam 52, first channel beam 51 is arranged between the first left column 11 and the second left column 12, and the two ends of the first channel beam 51 are fixed on the first left column 11 and the second left column 12 respectively by high-strength bolt in an embodiment.Be arranged between the first right column 21 and the second right column 22 at the second channel beam 52, in an embodiment, the two ends of the second channel beam 52 are fixed on the first right column 21 and the second right column 22 respectively by high-strength bolt.One end of box longeron 60 is connected on the first channel beam 51 by the high-strength pull bar 30 of the first anchoring beam 81, first, and the other end of box longeron 60 is connected on the second channel beam 52 by the high-strength pull bar 40 of the second anchoring beam 82, second.Specifically the first high-strength pull bar 30 is longitudinally run through the first anchoring beam 81, first channel beam 51 and box longeron 60, the upper end of the first high-strength pull bar 30 is provided with the first supporting top nut 31 of the high-strength pull bar 30 with first, the lower end of the first high-strength pull bar 30 is provided with the first supporting lower nut 32 of the high-strength pull bar 30 with first, the two ends of the first high-strength pull bar 30 are corresponding with the first lower nut 32 to the first top nut 31 is provided with screw thread, first channel beam 51 and box longeron 60 are arranged between the first top nut 31 and the first lower nut 32, by the position-limiting action of the first top nut 31 and the first lower nut 32 one end of box longeron 60 exerted pressure and be connected on the first channel beam 51.Second high-strength pull bar 40 runs through the second anchoring beam 82, second channel beam 52 and box longeron 60, the upper end of the second high-strength pull bar 40 is provided with matching used second top nut 41 of the high-strength pull bar 40 with second, the lower end of the second high-strength pull bar 40 is provided with matching used second lower nut 42 of the high-strength pull bar 40 with second, and being exerted pressure by the other end of box longeron 60 by the position-limiting action of the second top nut 41 and the second lower nut 42 is connected on the second channel beam 52.In an embodiment, the quantity of the first high-strength pull bar 30 and the second high-strength pull bar 40 is two, is so realized the reliable connection of box longeron 60 by four high-strength pull bars.
In such scheme, described first channel beam 51 comprises the first trough girder and the second trough girder, described first left column 11 and the second left column 12 are folded between the first trough girder and the second trough girder, described second channel beam 52 comprises the 3rd trough girder and the 4th trough girder, and described first right column 21 and the second right column 22 are folded between the 3rd trough girder and the 4th trough girder.The structure of the first trough girder, the second trough girder, the 3rd trough girder and the 4th trough girder is all identical, existing introduction in the prior art, for the first trough girder, its structure as shown in Figure 5, the ribbed stiffener 103 mainly comprising web 101, be connected to two blocks of wing plates 102 on web 101 and be arranged between two blocks of wing plates 102.Web 101 correspondence of each trough girder is connected on described first left column 11, second left column 12, described first right column 21 and the second right column 22, and wing plate is then corresponding to be connected with the first anchoring beam 81 and the second anchoring beam 82.
In the utility model, also comprise the equipment conversion equipment 70 of the lifting bolt 90 be arranged on described box longeron 60 and the lower surface being arranged on described box longeron 60.Reserved hole for hoist on box longeron 60, installs lifting bolt 90 in hole for hoist, hanging device (not shown) be connected in lifting bolt 90, by the movement and the mounting and adjusting that drive hanging device conveniently can realize box longeron 60.Box longeron 60 offers equipment connection hole in order to erecting equipment conversion equipment 70 simultaneously, equipment conversion equipment 70 connects hydraulic pressure loading equipemtn (not shown) usually, this hydraulic loaded equipment is in order to apply vertical load to tested component (not shown), hydraulic loaded equipment adopts the conventional equipments such as electro-hydraulic servo actuator usually, it is existing introduction in the prior art, no longer describes in detail here.The rectangular shape in longitudinal section of box longeron 60, in order to strengthen the intensity of box longeron 60, is provided with multiple stiffening plate 61 in box longeron.
In the utility model, described first channel beam 51 and described second channel beam 52 all can be connected to the lower surface of described box longeron 60 or all be connected to the upper surface of described box longeron 60, thus the condition realizing not moving the first channel beam 51 and the second channel beam 52 is issued to the object of adjustment box longeron 60 height.In a particular embodiment, first channel beam 51 and described second channel beam 52 are all in the lower surface of described box longeron 60, now, the first top nut 31 is arranged on the upper surface of the first anchoring beam 81, and the second top nut 41 is arranged on the upper surface of the second anchoring beam 82.
For the height realizing box longeron 60 regulates to adapt to different tested component, in an embodiment, described left column is provided with multiple first screws 13 longitudinally laid, on described first channel beam 51, correspondence offers the first lock hole, the web 101 of the first trough girder and the web 201 of the second trough girder lock on the first screw 13 corresponding on the first left column 11 and the second left column 12 respectively by high-strength bolt, described right column is provided with multiple second screws 23 longitudinally laid, on described second channel beam 52, correspondence offers the second lock hole, the web 301 of the 3rd trough girder and the web 401 of the 4th trough girder lock on the second screw 23 corresponding on the first right column 21 and the second right column 22 respectively by high-strength bolt.According to the height of tested component during test, the first channel beam 51 is fixed in the first screw 13 on a certain height, the second channel beam 52 is fixed in the second screw 23 of sustained height, thus realize the high flexible adjustment of box longeron 60.
Rod-pulling type counterforce device of the present utility model is installed in the following way:
(1), the first left column 11, second left column 12, first right column 21 and the second right column 22 are fixed in testing bed, testing stand (not shown), the span of the spacing between the first left column 11 with the second left column 12 and the first horizontal type crossbeam 51 and the second horizontal type crossbeam 52 is identical, spacing between first right column 21 with the second right column 22 is identical with the spacing between the first left column 11 and the second left column 12, and the span of the spacing between left column with right column and box longeron 60 is identical;
(2), the two ends of the first channel beam 51 are fixed on the first left column 11 and the second left column 12 respectively by high-strength bolt; The two ends of the second channel beam 52 are fixed on the first right column 21 and the second right column 22 respectively by high-strength bolt, according to tested member height situation, the level altitude of the first channel beam 51 and the second channel beam 52 can be selected;
(3), by the first anchoring beam 81 be bolted on the first channel beam 51, the second anchoring beam 82 is bolted on the second channel beam 52
(4), by hanging device box longeron 60 is sling, and the two ends of box longeron 60 are connected on the first anchoring beam 81 and the second anchoring beam 82 respectively by the first high-strength pull bar 30 and the second high-strength pull bar 40 correspondence;
(5), equipment conversion equipment 70 is arranged on the bottom of box longeron 60.
Product form of the present utility model is not limited to this case diagram and embodiment, and anyone carries out suitable change or the modification of similar thinking to it, all should be considered as not departing from patent category of the present utility model.
Claims (8)
1. a rod-pulling type plane counterforce device, comprise left column, right column and the tie-beam be arranged between left column and right column, it is characterized in that: described left column comprises the first left column and the second left column laid along the longitudinal direction, described right column comprises the first right column and the second right column laid along the longitudinal direction, corresponding first right column of first left column is arranged, corresponding second right column of second left column is arranged, described tie-beam comprises the first channel beam, the box longeron of the second channel beam and connection the first channel beam and the second channel beam, first channel beam is arranged between the first left column and the second left column, second channel beam is arranged between the first right column and the second right column, one end of box longeron is connected on the first channel beam by the first high-strength pull bar and the first anchoring beam, the other end of box longeron is connected on the second channel beam by the second high-strength pull bar and the second anchoring beam, first high-strength pull bar runs through the first anchoring beam, first channel beam and box longeron, the upper end of the first high-strength pull bar is provided with the first supporting top nut, the lower end of the first high-strength pull bar is provided with the first supporting lower nut, second high-strength pull bar runs through the second anchoring beam, second channel beam and box longeron, the upper end of the second high-strength pull bar is provided with matching used second top nut, the lower end of the second high-strength pull bar is provided with matching used second lower nut.
2. rod-pulling type plane counterforce device as claimed in claim 1, it is characterized in that: described first channel beam comprises the first trough girder and the second trough girder, described first left column and the second left column are folded between the first trough girder and the second trough girder, described second channel beam comprises the 3rd trough girder and the 4th trough girder, and described first right column and the second right column are folded between the 3rd trough girder and the 4th trough girder.
3. rod-pulling type plane counterforce device as claimed in claim 1, is characterized in that: described first channel beam and described second channel beam are all connected to the upper surface of described box longeron.
4. rod-pulling type plane counterforce device as claimed in claim 1, is characterized in that: described first channel beam and described second channel beam are all connected to the lower surface of described box longeron.
5. rod-pulling type plane counterforce device as claimed in claim 1, it is characterized in that: described left column is provided with multiple first screws longitudinally laid, on described first channel beam, correspondence offers the first lock hole, described first channel beam is locked on described left column by high-strength bolt, described right column is provided with multiple second screws longitudinally laid, on described second channel beam, correspondence offers the second lock hole, and described second channel beam is locked on described right column by high-strength bolt.
6. rod-pulling type plane counterforce device as claimed in claim 1, is characterized in that: described first high-strength pull bar and described second high-strength pull bar are two.
7. rod-pulling type plane counterforce device as claimed in claim 1, is characterized in that: be provided with multiple stiffening plate laid along described box longeron length direction in described box longeron.
8. rod-pulling type plane counterforce device as claimed in claim 1, is characterized in that: the equipment conversion equipment also comprising the lifting bolt be arranged on described box longeron and the lower surface being arranged on described box longeron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520109417.1U CN204903271U (en) | 2015-02-14 | 2015-02-14 | Pull rod formula plane counter -force device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520109417.1U CN204903271U (en) | 2015-02-14 | 2015-02-14 | Pull rod formula plane counter -force device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204903271U true CN204903271U (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520109417.1U Expired - Fee Related CN204903271U (en) | 2015-02-14 | 2015-02-14 | Pull rod formula plane counter -force device |
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| Country | Link |
|---|---|
| CN (1) | CN204903271U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004599A (en) * | 2015-02-14 | 2015-10-28 | 华侨大学 | Pull rod type planar counter-force device |
-
2015
- 2015-02-14 CN CN201520109417.1U patent/CN204903271U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004599A (en) * | 2015-02-14 | 2015-10-28 | 华侨大学 | Pull rod type planar counter-force device |
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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: 20151223 Termination date: 20180214 |