CN206627516U - It is adaptable to concrete loading device under load environment coupling - Google Patents

Abstract

The utility model discloses be adaptable to concrete loading device under load environment coupling, it solves the problems, such as that apparatus structure is complicated in the prior art, can not be adapted to environment and provides equipment, with the advantages of simple to operate, experiment is workable, its scheme is as follows：Concrete loading device includes the pressing plate that pressure is transmitted to concrete test part；For applying stressed compressing member to pressing plate, compressing member is connected with leverage, and fulcrum and the sleeve arrangement of leverage are fixed；Balance weight mechanism located at pressing plate one or both sides, balance weight mechanism are connected with leverage to apply active force to leverage, calculate compressing member to pressing plate pressure applied by leverage to obtain the load that concrete test part is born.

Description

It is adaptable to concrete loading device under load-environment coupled action

Technical field

Concrete test is the utility model is related to, more particularly to being adaptable to concrete under load-environment coupled action Loading device.

Background technology

In Practical Project, the destruction of concrete is due to largely that load and carbonization, infiltration, freeze thawing, corrosion etc. are various Caused by environment collective effect, if only research is not loaded with the durability of concrete sample and will be unable to rationally reflect concrete institute The true environment at place.Therefore, the loading device and test method of concrete under a load-environment coupled action are established, for Study very significant for the durability of concrete.

The country has been related to compression and the lower concrete durability experiment loading device class of various factors coupling effect at present As design, it is mainly loaded by jack, spanner twists the load mode such as nut, and these experimental rigs exist following scarce Fall into：Jack loading device needs reaction frame, and structure and mounting process are complex, operation inconvenience, and can not put carbon into Change in case or other durability equipment；Spanner, which twists nut loading device, can not ensure that multiple nuts are further applied load uniform Property, and need just to can determine that the size of load with sensor and tester, entirely add the complexity of measurement device.

Therefore, it is necessary to be adaptable to coagulation under load-environment coupled action to that can be put into durability test equipment Native loading device, is researched and analysed.

Utility model content

For overcome the deficiencies in the prior art, the utility model, which provides, to be adaptable to mix under load-environment coupled action Native loading device is coagulated, the device total is set simply, and easy to operate, can be put into can provide the durable of various ambient conditions In property test equipment.

The concrete scheme for being adaptable to concrete loading device under load-environment coupled action is as follows：

Concrete loading device under load-environment coupled action is adaptable to, including：

The pressing plate of pressure is transmitted to concrete test part；

For applying stressed compressing member, one end connection of compressing member and leverage, the fulcrum of leverage to pressing plate Fixed with the sleeve mechanism of adjustable leverage height；

The other end of balance weight mechanism located at pressing plate one or both sides, balance weight mechanism and leverage is connected with to Lever machine Structure applies active force, and calculate compressing member by leverage holds to pressing plate pressure applied and then acquisition concrete test part The load received.

Above-mentioned concrete loading device, without setting reaction frame, it can be realized by balance weight mechanism and concrete test part is applied Continuous load is accommodated, by the setting of leverage, when lever state is by load, to keep lever state horizontal State, compressing member is adjusted, the load that concrete test part is born can be obtained to the active force that pressing plate applies by compressing member, led to The different loads of balance weight mechanism offer are crossed, the load that concrete test part is born is naturally different, and said apparatus is integrally tied Structure is simple, integrally can be positioned in testing equipment, it is achieved thereby that durability examination of the concrete in different loads, varying environment Test.

The balance weight mechanism includes pulley mechanism, sets counterweight on pulley mechanism, and counterweight is by drawstring across pulley mechanism And be connected with one end of the leverage, the quality of counterweight can increase or can reduce, and by counterweight, just realize to Lever machine The adjustment of structure one end amount of force.

The movement of whole device movable base plate, is then realized in the bottom of the balance weight mechanism on bottom plate, simple and convenient, Support member is set on bottom plate, and support member is through described pressing plate with the horizontal level of fixation clip.

The sleeve mechanism includes stud, and sleeve mechanism includes stud, and two studs located at leverage both sides cover There is sleeve, sleeve is connected by connector, and for connector through leverage to form the fulcrum of leverage, pressing plate passes through stud Set to realize the fixation to the horizontal level of pressing plate, stud is provided with multiple, is configured symmetry through pressing plate, to ensure stress It is balanced.

The leverage includes depression bar, and depression bar interlude position sets level meter, calibration bubble is set in level meter, is seen See whether bubble is placed in the middle, it is simple and convenient to ensure the horizontality of depression bar.

In a Hanging Basket, Hanging Basket is connected the counterweight with described drawstring, and opening, Hanging Basket and drawstring are set at the top of Hanging Basket It is fixed, and multiple counterweights can be set in Hanging Basket.

Sleeve is cased with the stud, sleeve is connected by connecting rod with described leverage to form described branch Point, the fulcrum can be in set angle scope internal rotations, and specifically, depression bar is provided with a perforate, and the middle part size of connecting rod is less than end Portion's size, the middle part of connecting rod are set through perforate, and end and the sleeve of connecting rod are fixed, in order to ensure the stabilization of fulcrum, spiral shell Post is provided with two rows four and arranged, and both sides are respectively fixed with a stud after such connecting rod passes through perforate.

The bottom of the sleeve is cased with spring on the stud, nut is set between spring and sleeve, nut is to bullet Spring is compressed, and is easy to the adjustment to depression bar height between pressing plate.

The compressing member is provided with even number, and compressing member is located at the middle part of the pressing plate, further, adjusts for convenience, The both sides of pressing plate respectively set a balance weight mechanism, and compressing member respectively sets one and one section of fixation of depression bar, and compressing member is bolt, depression bar end Portion is sheathed on bolt.

Load and concrete test loading method under various environment coupled actions can be suitably used for using one kind of said apparatus, It can be achieved to provide concrete test part various operating environments, it is simple to operate without sensor and tester.

Concrete loading device under load-environment coupled action is adaptable to using described, the loading device is located at Environment is provided in equipment, and equipment is such as carbonized case, freezing-thawing test machine to realize the simulation of operating environment.

The above method, comprise the following steps that：

1) testpieces and loading steel are positioned between bottom plate and pressing plate, load mode is four-point bending test, Duo Geshi Test part and transmit pressure by loading steel, testpieces upper and lower surface is respectively provided with loading steel, and the loading steel spacing for transmitting loading force is 100mm, the loading steel spacing for serving as bearing are 300mm；

2) after part to be tested is fixed with loading steel position, provide loading device to equipment located at environment, manually pass through counterweight Mechanism is further applied load to leverage；

3) to ensure the horizontality of depression bar in leverage, part is rotatably compressed to act power to pressing plate；

4) when bubble is placed in the middle in leverage, the load of single compressing member application can be calculated according to lever principle, is entered And the load that pressing plate is born is calculated, and check durability of the concrete test part under load and environment coupled action.

In this method, different size of load is provided to leverage by balance weight mechanism, is in environment provides equipment Concrete provides the simulation of operating environment, simulation of the concrete test part under environment-load coupling is realized, to coagulation The durable Journal of Sex Research of soil has great importance.

Compared with prior art, the beneficial effects of the utility model are：

1) this loading device is simple in construction, easily operated, and all parts can be dismantled, and be not required to reaction frame can be to test specimen Apply continuing load, and whole device movement is more convenient, is provided conveniently for the simulation under varying environment.

2) device provided by the utility model is not limited by test specimen species and number, can both do multiple beams of concretes Bending test, the compression test of concrete cube test specimen can also be done.

3) the utility model device can put carbonization, chlorine in the equipment simulating Practical Projects such as carbonization case, freezing-thawing test machine into A variety of environment such as ion erosion, drying and watering cycle and Frozen-thawed cycled, durability of the research test specimen under load and environment coupled action.

4) the utility model experimental rig is without sensor and tester, can by adjust weight or the number of counterweight come Change the size of load, be effectively saved social resources, while simplify test methods and procedures.

Brief description of the drawings

The Figure of description for forming the part of the application is used for providing further understanding of the present application, and the application's shows Meaning property embodiment and its illustrate be used for explain the application, do not form the improper restriction to the application.

Fig. 1 is concrete loading device use state cross-sectional view under the utility model load-environment coupled action；

Fig. 2 is the cross-sectional view of concrete loading device under the utility model load-environment coupled action；

Fig. 3 is the front elevation view of concrete loading device forcing press under the utility model load-environment coupled action；

Fig. 4 is concrete loading device depression bar operating diagram under the utility model load-environment coupled action；

Fig. 5 is the sleeve depression bar combination unit in concrete loading device under the utility model load-environment coupled action Structure chart；

Fig. 6 is the installation diagram of concrete loading device pulley under the utility model load-environment coupled action.

Wherein：1. bottom plate, 2. pressing plates, 3. studs, 4. depression bars, 5. sleeves, 6. pulleys, 7. bolts, 8. connecting rods, 9. gas Bubble, 10. drawstrings, 11. Hanging Baskets, 12. nuts, 13. bows, 14. loading steel, 15 concrete test parts.

Embodiment

It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.

It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.

As background technology is introduced, apparatus structure present in prior art is complicated, can not provide various environment moulds The deficiency of plan, in order to solve technical problem as above, present applicant proposes be adaptable to concrete under load-environment coupled action Loading device.

In a kind of typical embodiment of the application, as shown in figure 1, being adaptable to mix under load-environment coupled action Native loading device, including bottom plate 1, pressing plate 2, threaded rod 3, depression bar 4, sleeve 5, pulley 6, bolt 7, drawstring 10, Hanging Basket 11 are coagulated, is added Steel 14, concrete test part 15 are carried, concrete test part is located at the bottom of pressing plate 2, and concrete test part bottom is carried out by bottom plate 1 Support.

As depicted in figs. 1 and 2, bottom plate 1 is provided with ten bolts hole, each one of both ends, and centre respectively sets four along both sides, Threaded rod or stud 3 are fixed by bolt hole and bottom plate 1, and pressing plate 2 sets eight bolts hole, its position and middle eight threaded rods Correspond.A spring on set respectively on the stud 3 of inner side four, screws on nut 12 above spring, by two groups of connected sets Cylinder depression bar combination unit is respectively disposed on corresponding four threaded rods.The threaded rod top at the both ends of bottom plate 1 respectively sets a cunning Wheel 6, the tail end of depression bar 4 respectively ties up a drawstring 10, and drawstring falls naturally around pulley 6, disposes a Hanging Basket 11 in drawstring tail end, hangs Basket is used to hold counterweight, by changing the quality of counterweight, to provide different size of load to depression bar 4, so as to realize to pressing plate 2 The regulation of load.

Fig. 3 is the operation principle schematic diagram of depression bar, is further applied load, added to pressing plate 2 by adding counterweight in Hanging Basket 11 After entering counterweight, to make depression bar keep level, bolt 7 is twisted with spanner or other adjustment equipments, whether observation bubble 9 is placed in the middle, works as gas Depression bar 4 is in horizontality when steeping placed in the middle, and the size that single bolt 7 is further applied load can be calculated according to lever principle.Two Load added by bolt need to be consistent, and the two is added as the load that pressing plate 2 is born, can be by adjusting counterbalance mass or individual Count to change the size of load.

As shown in figure 4, sleeve depression bar combination unit includes sleeve 5, depression bar 4, bolt 7, connecting rod 8 and bubble 9.Depression bar 4 Docked with the connecting place of connecting rod 8 in the form of perforate, a perforate is set on depression bar 4, so that connecting rod 8 is hung down with depression bar 4 Directly, the middle part of connecting rod 8 is arranged to thin bar, can unhinderedly pass through this perforate, and depression bar 4 can be realized vertical flat around the hole Rotation in face, the perforate are the 1/5 of the length of depression bar 4 apart from the distance of bolt 7, are easy to lotus of the quick calculating bolt 7 to pressing plate 2 Carry size.

Fig. 5 is the installation diagram of concrete loading device pulley under the utility model load-environment coupled action, in this stud Two bows 13 are welded on 3 top, and an iron is fixed on the upper end of two bow 13 through pulley, pulley is placed in into two arcs Among bar, drawstring is configured by the pulley.

Above-mentioned loading device is provided in equipment located at environment, be such as carbonized case, freezing-thawing test machine of equipment is various to realize Operating environment such as carbonization, infiltration, freeze thawing, the simulation of corrosion.

One kind can be suitably used for load and concrete test loading method under various environment coupled actions, comprise the following steps that：

1) test specimen and loading steel are positioned between bottom plate and pressing plate, load mode is four-point bending test, multiple test specimens Pressure is transmitted by loading steel, test specimen upper and lower surface is respectively provided with loading steel, and the loading steel spacing for transmitting loading force is 100mm, is filled When the loading steel spacing of bearing is 300mm；

2) after test specimen is fixed with loading steel position, provide loading device to equipment located at environment, manually pass through counter weight machine Structure is further applied load to leverage；

3) to ensure the horizontality of depression bar 4 in leverage, part is rotatably compressed to act power to pressing plate 2；

4) when bubble is placed in the middle in leverage, the load of single compressing member application can be calculated according to lever principle, is entered And the load that pressing plate is born is calculated, and check durability of the concrete test part under load and environment coupled action.

The preferred embodiment of the application is the foregoing is only, is not limited to the application, for the skill of this area For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.

Claims (8)

1. it is adaptable to concrete loading device under load-environment coupled action, it is characterised in that including：

For transmitting the pressing plate of pressure to concrete test part；

For applying stressed compressing member to pressing plate, one end of compressing member and leverage connects, the fulcrum of leverage with can The sleeve mechanism of regulation leverage height is fixed；

The other end of balance weight mechanism located at pressing plate one or both sides, balance weight mechanism and leverage is connected to be applied to leverage Add active force, compressing member is calculated to pressing plate pressure applied by leverage to obtain what concrete test part was born Load.

2. according to claim 1 be adaptable to concrete loading device under load-environment coupled action, its feature exists In, the balance weight mechanism includes pulley mechanism, sets counterweight on pulley mechanism, counterweight by drawstring across pulley mechanism and with institute State one end connection of leverage.

3. according to claim 1 be adaptable to concrete loading device under load-environment coupled action, its feature exists In the sleeve mechanism includes stud, and two studs located at leverage both sides are cased with sleeve, and sleeve is connected by connector Connect, connector is through leverage to form the fulcrum of leverage, and pressing plate is set through stud, and concrete test part is located at pressure Plate bottom.

4. according to claim 1 be adaptable to concrete loading device under load-environment coupled action, its feature exists In the leverage includes depression bar, and depression bar interlude position sets level meter to confirm whether depression bar is horizontal.

5. according to claim 2 be adaptable to concrete loading device under load-environment coupled action, its feature exists In in a Hanging Basket, Hanging Basket is connected the counterweight with described drawstring.

6. according to claim 3 be adaptable to concrete loading device under load-environment coupled action, its feature exists In being cased with sleeve on the stud, sleeve is connected by connecting rod with described leverage to form described fulcrum, the branch Point can be in set angle scope internal rotation.

7. according to claim 1 be adaptable to concrete loading device under load-environment coupled action, its feature exists In the bottom of the balance weight mechanism sets support member on bottom plate on bottom plate, support member passes through described pressing plate to determine to press The horizontal level of plate.

8. according to claim 6 be adaptable to concrete loading device under load-environment coupled action, its feature exists In the bottom of the sleeve is cased with spring on the stud, and nut is set between spring and sleeve.