CN205157394U - Concrete penetrometer - Google Patents
Concrete penetrometer Download PDFInfo
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- CN205157394U CN205157394U CN201520962055.0U CN201520962055U CN205157394U CN 205157394 U CN205157394 U CN 205157394U CN 201520962055 U CN201520962055 U CN 201520962055U CN 205157394 U CN205157394 U CN 205157394U
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Abstract
The utility model relates to a concrete penetrometer. A concrete penetrometer, includes test piece sleeve, water tank and water pump, and the water tank is equipped with the water inlet and intakes control mechanism, intakes control mechanism including hinging pendulum rod in the water tank, setting up in the end cap of pendulum rod one end and the connection floater at the pendulum rod other end, and the water pump is equipped with conducting wire inlet and outlet and tube head, and the tube head is equipped with the ball attachment, and conducting wire inlet and outlet is equipped with the spherical cavity, and the tube head passes through the ball attachment joint is in together articulated with conducting wire inlet and outlet in the spherical cavity, the tube head passes through the puller bolt together the conducting wire inlet and outlet rigid coupling together, the central line process tube head of puller bolt and the center of conducting wire inlet and outlet fitting surface. The utility model has the advantages of be difficult to during the wire water receiving harm and can automatic water supply, solved that current concrete penetrometer needs artifical feed -tank moisturizing and the inconvenient peace conference of use that leads to produces the problem of the test failure that leads to because of the lack of water.
Description
Technical field
The present invention relates to concrete NDT equipment, particularly relate to a kind of concrete penetrometer.
Background technology
Concrete penetrometer is the instrument for detecting concrete infiltration coefficient.The basic structure of permeameter comprises test specimen sleeve and water tank, by water pump or under gravity the water in water tank is flowed to the sample in test specimen sleeve during use.Existing concrete penetrometer has the following disadvantages: the water in water tank is by human at periodic intervals's supply, and not only moisturizing bothers but also easily causes the phenomenon of test crash because forgetting moisturizing.
Summary of the invention
The invention provides the concrete penetrometer that a kind of direction of wire import and export of water pump is adjustable, solving existing concrete penetrometer needs the moisturizing of artificial water supply's case and the use inconvenience caused and the problem that can produce the test crash caused because of lack of water.
Above technical matters is solved by following technical proposal: a kind of concrete penetrometer, comprise test specimen sleeve, water tank and the water in described water tank is flowed to the water pump being arranged in described test specimen sleeve, described water tank is provided with water inlet and water inlet control gear, described water inlet control gear comprises the fork be hinged in water tank, be arranged at the plug of fork one end and be connected to floating the swing of driving fork by the water in water tank and making plug close the ball float of described water inlet of the fork other end, described water pump is provided with wire and imports and exports and tube head, described tube head is provided with ball joint head, described wire is imported and exported and is provided with spherical cavity, described tube head is connected in described spherical cavity by described ball joint head to be imported and exported hinged with wire, described tube head is fixed together with described wire import and export by puller bolt, the center line of described puller bolt imports and exports the center of mating surface through tube head and wire.During use, water tank is linked together with tap water pipe network by water inlet, tap water flow in water tank by water inlet, along with the increase of cistern water level, ball float rises, fork is driven to swing and plug is drawn close towards water inlet when ball float rises, when water level rises to setting value, water inlet seals by plug, tap water is made to enter into water tank and to prevent the water of water tank from overflowing, when water level decreasing in water tank, ball float declines under gravity, the result declined can make plug lose sealing function to water inlet, water inlet is opened, tap water adds in water tank.Before the wire connection of compressor, rotate puller bolt and tube head can freely be rotated, then wire is penetrated, can turn to angle and meet the requirements and avoid producing wire transition bending phenomenon by first of driving tube when wire needs commutation, wire wears and rotates backward puller bolt after fixing again and tube head and wire imported and exported and be fixed together.The damage of puller bolt to tube head surface is little.
As preferably, described plug is spherical, and described plug is rubber structure.Water inlet can be sealed up easily and reliably.
As preferably, described plug is fixed together with described fork.Fork can reliably drive plug to go to seal up water inlet when swinging.
As preferably, described water tank is provided with via hole, and described via hole is bolted water inlet pipe, is provided with elastic seal ring between described water inlet pipe and via hole, and the endpiece of described water inlet pipe forms described water inlet.When causing plug inlet seal can not be lived when producing wearing and tearing, driving water inlet pipe to extrude elastic seal ring further by tighting a bolt, realizing water inlet near plug, thus realize resealing.
As preferably, described water tank is provided with lid, described lid is provided with handle rod, the outer resilient sleeve of described handle rod is provided with overcoat, the elastic adjusting mechanism of the elastic force regulated between overcoat and handle rod is provided with between described handle rod and overcoat, described elastic adjusting mechanism comprises and is set in handle rod outer and the base tube be located in overcoat and the holding sheet being looped around described base tube outside, the fricting strip that described holding sheet is distributed by the some pieces of circumferences along base tube is formed, described fricting strip is provided with the slide bar that some radial directions along base tube extend, described sliding bar is arranged in described base tube, the inner of described slide bar is provided with and drives the outer shift-in of slide bar and drive fricting strip to be connected to the 3rd spring together with overcoat, described elastic adjusting mechanism is also provided with the pretightning force adjustment structure of the pretightning force regulating described 3rd spring.The lid arranged can improve the convenience when safeguarding water tank inner part.Realize the open and close of lid by gripping handle rod during use.This structure of handle rod can make in use handle rod have elasticity, thus improves comfortableness when using, and the elastic effect in the technical program can also change, to adapt to different needs.Concrete adjustment process: drive the 3rd spring moving radially along base tube by pretightning force adjustment structure, thus fricting strip is changed with the normal pressure of overcoat, thus realize the change of pretightning force, make overcoat relative to the change of handle rod rolling power size to reach different elastic effects.
As preferably, described pretightning force adjustment structure comprises the conical head that base tube is supported on the tubular structure outside handle rod by two, conical head is driven to move axially and conical head can be made to stop at the drives structure of desired location and some push rods, described two conical heads are slidably connected in the two ends of described base tube in the mode that miner diameter end subtend is arranged, the two ends of described push rod are shelved on the conical surface of described two conical heads, all described slide bars of same fricting strip pass through described spring supporting on same described push rod, the described slide bar of each block fricting strip is respectively supported by a described push rod.During adjustment, realize push rod moving radially thus realizing the change of push rod along base tube radial position along base tube by the position axially changing conical head, thus realize the change of the 3rd initial tension of spring.During adjustment, convenience is good.
As preferably, described drives structure comprises the jacking block in two two ends being threaded in described base tube, and described two conical heads are between described two jacking blocks.Drive conical head to realize regulating by rotating jacking block, regulate and put in place, automatically locate, during use, convenience is better.
The present invention also comprises stand, described test specimen sleeve and water tank are all arranged on described stand, described stand is provided with feet, described feet comprises the hypomere that epimere and upper end are set in epimere lower end, the shock-absorbing spring supporting described epimere is provided with in hypomere, the upper end of described epimere is provided with abutment ring, inner ring is equipped with in described abutment ring, described inner ring is linked together with described abutment ring by rubber ring, described rubber ring is provided with several blind holes distributed along rubber ring circumference, described blind hole is arranged at inner peripheral surface or the outer peripheral face of described rubber ring, division board is provided with in described blind hole, described blind hole is divided into radially-arranged two cavitys along rubber ring by described division board, described division board is provided with the main friction passage being communicated with described two cavitys, friction plate is provided with in described main friction passage, described friction plate is equipped with the friction lever that can radially slide along rubber ring, described friction lever is provided with a friction passage, the openend of described blind hole is stamped the elastomer cover arched upward towards blind hole inside, described inner ring is equipped with connecting pin, described epimere is linked together with described stand by described connecting pin.Can produce vibration in use procedure, the unofficial biography of vibration can disturb peripheral equipment, and the vibration effect peripheral equipment that the technical program can reduce or prevent.This structure is also because inner ring is connected by rubber ring with abutment ring, and abutment ring is not easy to produce distortion, and distortion fecund is born in inner ring, so only need after distortion to change inner ring.The shock insulation process of the technical program is: by liquid filling in blind hole, when producing vibration, reciprocal radial displacement can be produced between inner ring and abutment ring, this displacement can cause blind hole to be out of shape, thus drive that position liquid in the inner flows back and forth between inner chamber body and outer chamber, the rocking of friction plate and friction lever, liquid flow and friction plate and friction lever rock and change vibrational energy into heat energy in process and consume.If vibrate less and be not enough to impel blind hole to be out of shape time, now only have rocking of liquid, during liquid sloshing, friction lever produces and rocks and energy-absorbing, friction lever is set and can improves the absorption that frequency low-amplitude is vibrated, make the present invention not only can absorb the vibrational energy of isolation high amplitude, can also absorb the vibrational energy of short arc, therefore isolating affection is better.When this structure can make the blind hole of side be squeezed, the blind hole of opposite side then produces diastole instead of pressurized or diastole simultaneously, and making when the positive and negative amplitude vibrated is interval can both effectively absorbing, and absorbing efficiency is high.
As preferably, described friction plate is all stretched out at the two ends of described friction lever, and two end faces of described friction lever are all sphere.Also friction lever can be driven when liquid can be made to receive the vibration of nonrubber pad radial direction to run and energy-absorbing along rubber blanket radial direction.Energy-absorbing isolating affection is good.
As preferably, described friction lever is cylindrical, two end faces of described friction lever is all provided with some grooves along the distribution of friction lever circumference.The contact area of energy-absorbing bar with liquid can be improved, to improve energy-absorbing effect and induction sensitivity.
As preferably, described feet also comprises driving mechanism, described inner ring is connected to described abutment ring rotationally, described driving mechanism is used for the one-directional rotation point resultant motion between epimere and hypomere being converted to inner ring, described driving mechanism comprises the ratchet of ratchet and driving pawl, described ratchet coaxially links together with described inner ring, and described ratchet links together with hypomere.When being subject to vibrating, inner ring can one-directional rotation, thus avoids inner ring to be impacted at a position for a long time, thus can effectively avoid interior annular strain, and inner ring is indeformable, once abutment ring produces distortion, inner ring can also play the effect of repairing abutment ring.Thus effectively overcome the problem that abutment ring easily produces distortion.
As preferably, described ratchet is fixed in driving stem, and described ratchet is connected with described hypomere by described driving stem, and described driving stem is connected with and drives described ratchet to be brought together into engage spring on described ratchet.Reliability of Microprocessor is good.
As preferably, described epimere is provided with slide opening, and described driving stem can two dimension be slidably connected in described slide opening.Ratchet can be further easily made to carry out folding with ratchet, good reliability during one-directional rotation.
As preferably, described driving stem is provided with deposits hole, deposits in hole described in one end of described engage spring is located in.Reliability and convenience when being connected can be improved.
As preferably, described tube head and wire be provided with between importing and exporting tube head is supported in described wire import and export in support ring, described tube head and wire be clearance fit between importing and exporting, and described support ring is fixed in the import and export of described wire.Support ring is set and tube head and wire import and export between clearance fit, easily laborsaving when can make to rotate tube head; Support ring is fixed in described wire and imports and exports, and when tube head can be made no matter to turn to that angle, support ring reliably can both ensure that tube head and wire keep clearance fit between importing and exporting.
The present invention has following advantage: can automatic water supplement feed-tank, and convenience during use is good, can not produce lack of water and the phenomenon of the test crash caused; In water pump installation process, wire is not easy produce excessive bending and damage.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the embodiment of the present invention one.
Fig. 2 is the close-up schematic view at the F place of Fig. 1.
Fig. 3 be tube head in Fig. 1 and wire import and export analyse and observe enlarged diagram.
Fig. 4 is the schematic diagram of embodiment two.
Fig. 5 be abutment ring in Fig. 4 analyse and observe enlarged diagram.
Fig. 6 is the close-up schematic view at the C place of Fig. 5.
Fig. 7 is the close-up schematic view at the D place of Fig. 6.
Fig. 8 is the close-up schematic view at the B place of Fig. 7.
Fig. 9 is A-A cross-sectional schematic of the handle rod in Fig. 4.
Figure 10 is E-E cross-sectional schematic of the handle rod of Fig. 4.
Figure 11 is the close-up schematic view of the feet in the embodiment of the present invention three.
In figure: stand 1, sample sleeve 2, water tank 3, casing 31, lid 32, water inlet 33, water inlet control gear 34, fork 341, plug 342, ball float 343, via hole 35, water inlet pipe 36, elastic seal ring 37, bolt 38, water pump 4, wire imports and exports 47, spherical cavity 471, tube head 48, ball joint head 481, the free end 482 of ball joint head, support ring 483, puller bolt 49, handle 5, handle rod 51, overcoat 52, driving mechanism 6, ratchet 61, ratchet 62, driving stem 63, deposit hole 64, engage spring 65, rubber ring 7, blind hole 71, inner chamber body 711, outer chamber 712, division board 72, elastomer cover 73, main friction passage 75, friction plate 76, friction lever 77, axial end 771, groove 772, prop up friction passage 78, elastic adjusting mechanism 8, base tube 81, holding sheet 82, fricting strip 821, slide bar 822, 3rd spring 823, pretightning force adjustment structure 83, conical head 831, push rod 832, drives structure 833, jacking block 8331, feet 9, hypomere 91, epimere 92, abutment ring 921, inner ring 922, connecting pin 923, slide opening 924, shock-absorbing spring 93.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is further illustrated.
Embodiment one, see Fig. 1, a kind of concrete penetrometer, comprises stand 1, sample sleeve 2, water tank 3 and water pump 4.
Stand 1 is provided with feet 9.Feet 9 forms for angle bar device.
Sample sleeve 2 is arranged on the upper side of stand 1.
Water tank 3 is arranged on the below of stand 1.Water tank 3 comprises casing 31 and lid 32.Water tank 3 is provided with water inlet 33 and water inlet control gear 34.Water inlet control gear 34 is comprised fork 341, plug 342 and is connected to being floated by the water in water tank of fork 341 other end and drives fork 341 to swing and make plug 342 close the ball float 343 of described water inlet 33.Fork 341 is hinged in water tank 3.Plug 342 is spherical.Plug 342 is rubber structure.Plug 342 is fixed in the upper end of fork 341.Ball float 343 is connected to the lower end of fork 341.Ball float 343 is hollow-core construction.
Water pump 4 is for flowing to the sample in sample sleeve 2 by the water in water tank 3.Water pump 4 is provided with wire and imports and exports 47 and tube head 48.Tube head 48 is imported and exported 47 by puller bolt 49 with wire and is fixed together.
See Fig. 2, water tank 3 is provided with via hole 35.Via hole 35 place is to being connected to water inlet pipe 36.Elastic seal ring 37 is provided with between via hole 35 and water inlet pipe 36.Water inlet pipe 36 is linked together with water tank 3 by bolt 38.The endpiece of water inlet pipe 36 forms water inlet 33.
See Fig. 3, the inner of tube head 48 is provided with ball joint head 481.Wire is imported and exported 47 inwalls and is provided with spherical cavity 471.Tube head 48 is connected to by ball joint head 481 to be imported and exported 47 hinged with wire in spherical cavity 471, also namely tube head 48 is imported and exported 47 with wire and carried out hinged for mating spherical surfaces.It is clearance fit between ball joint head 481 and spherical cavity 471.Linked together by support ring 483 between ball joint head 481 and spherical cavity 471.Support ring 483 is fixed in wire and imports and exports 47.The free end 482 of ball joint head is all contained in spherical cavity 471 (also namely in the scope that tube head can rotate, the free end 482 of ball joint head is all positioned at spherical cavity 471).
The centre of sphere of the center line of the puller bolt 49 also i.e. sphere at the surperficial place of ball joint head 481 through center that tube head and wire import and export mating surface.
During water pump 4 wiring, unclamp puller bolt 49 and can freely rotate to tube head 48, by one end of wire through tube head 48 and wire import and export 47 induce one and link together with water pump 4, the other end of wire links together with power supply.Wire is adjusted to and is rotated puller bolt 49 after trend meets the requirements and tube head 48 and wire import and export 47 be fixed together.
See Fig. 1, during use, water inlet 33 links together with tap water pipe network and makes water flow in water tank 3 by water inlet 33, along with the increase of water tank 3 water level, ball float 343 rise, fork 341 is driven to swing and plug 342 is drawn close towards water inlet 33 when ball float 343 rises, when water level rises to setting value, water inlet 33 blocks by plug 342, makes tap water can not enter into water tank 3 and prevent the water of water tank 3 from overflowing.When water level decreasing in water tank 3, ball float 343 declines under gravity, and the result of decline can make plug 342 lose sealing function to water inlet 33, and tap water adds in water tank 3.
Embodiment two, the difference with embodiment one is:
See Fig. 4.Feet 9 comprises hypomere 91 and epimere 92.The upper end of hypomere 91 is set on the lower end of epimere 92 slidably.The shock-absorbing spring 93 supporting epimere 92 is provided with in hypomere 91.The upper end of epimere 92 is provided with abutment ring 921.Inner ring 922 is provided with in abutment ring 921.Inner ring 922 is linked together with abutment ring 921 by rubber ring 7.Inner ring 922 is provided with connecting pin 923.Connecting pin 923 links together with stand 1.
Lid 32 is provided with handle 5, and handle 5 comprises handle rod 51 and the outer resilient sleeve of handle rod 51 is provided with overcoat 52.
See Fig. 5, the inner peripheral surface of rubber ring 7 is provided with the blind hole 71 (outer peripheral face that blind hole is arranged on rubber ring is also fine) that several circumferences along rubber ring distribute.Division board 72 is provided with in blind hole 71.Blind hole 71 is divided into two cavitys and inner chamber body 711 and outer chamber 712 by division board 72.The flexible lid 73 of open end cap of blind hole 71.Elastomer cover 73 is the bowl-type arched upward towards blind hole 71 inside.
See Fig. 6, division board 72 is provided with some main friction passage 75.Main friction passage 75 communication with cavity body 711 and outer chamber 712.Friction plate 76 is provided with in main friction passage 75.
See Fig. 7, in friction plate 76, be equipped with the friction lever 77 that in several distribution arrangements along inner chamber body and outer chamber and figure, above-below direction slides.Friction lever 77 is cylindrical.Friction lever 77 is provided with a friction passage 78.Prop up the space (in being namely communicated with outer chamber) that friction passage 78 is communicated with friction plate 76 upper and lower.Two axial ends 771 of friction lever 77 are all sphere.
See Fig. 8, two axial ends 771 of friction lever 77 are all provided with some grooves 772.Groove 772 is along the distribution of friction lever 77 circumference.
See Fig. 9, between handle rod 51 and overcoat 52, be provided with elastic adjusting mechanism 8.Elastic adjusting mechanism 8 comprises base tube 81, holding sheet 82 and pretightning force adjustment structure 83.Base tube 81 is set in outside handle rod 51.Base tube 81 is located in overcoat 52.Holding sheet 82 is made up of some pieces of fricting strips 821.Fricting strip 821 distributes along the circumference of base tube 81.Fricting strip 821 is provided with the slide bar 822 that some radial directions along base tube extend axial distribution.Slide bar 822 slides and is arranged in base tube 81.The inner of slide bar 822 is provided with the 3rd spring 823.3rd spring 823 drives fricting strip to be connected to together with overcoat 52 by slide bar.The pretightning force adjustment structure 83 of moving outward comprises two conical heads 831 and some push rods 832.Conical head 831 is tubular structure.Conical head 831 to be set on handle rod 51 and to be located in base tube 81 and linked together with handle rod 51 by base tube 81.Conical head 831 is only connected in base tube 81 slidably.Push rod 832 axially extends along the circumference distribution of base tube 81.All slide bars 822 of same fricting strip 821 are supported on same push rod 832 by the 3rd spring 823, and the slide bar of each block fricting strip is respectively supported by a push rod.
See Figure 10, the mode that two conical heads 831 are arranged with miner diameter end subtend is slidably connected in the two ends of base tube 81.The two ends of push rod 832 are shelved on the conical surface of two conical heads 831.Pretightning force adjustment structure 83 also comprises drives structure 833.Driving knot enough 833 comprises the jacking block 8331 in two two ends being threaded in base tube 81.Jacking block 8331 is set on handle rod 51.Two conical heads 831 are between two jacking blocks 8331.
During use, drive conical head 831 to move along the axis of base tube 81 by rotating jacking block 8331, conical head 831 drives push rod 832 moving radially along base tube 81, and push rod 832 extrudes the 3rd spring 823 and changes pretightning force.
The present invention to the process that absorbing is carried out in the vibration produced is:
See Fig. 5 to Fig. 8, in inner chamber body 711 and outer chamber 712 all filled with fluid (can certainly make of the present invention time filling liquid), when panel and horizontal fixed plate produce vibration and are expressed to rubber ring 7 and cause blind hole 71 to be out of shape, make that liquid flows back and forth between inner chamber body 711 and outer chamber 712, friction plate 76 and friction lever 77(be see Fig. 8) produce and rock, liquid flow and friction plate and friction lever rock and change vibrational energy into heat energy in process and consume.If vibrate less and be not enough to impel blind hole to be out of shape time, now only have rocking of liquid, during liquid sloshing friction lever produce rock and energy-absorbing.
Embodiment three, the difference with embodiment two is:
See Figure 11, feet 9 is also provided with driving mechanism 6.Inner ring 922 is connected in rubber ring 7 rotationally, and rubber ring 7 is fixed together with abutment ring 921.
Driving mechanism 6 comprises ratchet 61, the ratchet 62 of driving pawl and driving stem 63.Ratchet 61 coaxially links together with inner ring 922.Ratchet 61 is structure as a whole with inner ring 922.Ratchet 62 is fixed in one end of driving stem 63.Epimere 92 is provided with slide opening 924.The other end of driving stem 63 can be located in slide opening 924 in two dimension slip.The radial direction of the lower end edge abutment ring 921 of driving stem 63 slidably clasp joint in hypomere 91(see Fig. 4) be fixed together.Driving stem 63 is provided with deposits hole 64.Deposit hole 64 and have two.Deposit in hole 64 and be equipped with engage spring 65.Engage spring 65 is extension spring.One end of engage spring 65 links together with driving stem 63, and the other end links together with epimere 92.When engage spring 65 is in free state, under the effect of engage spring 65 spring, ratchet 62 can be engaged in ratchet 61.
During use, when being caused feet 9 to produce contractile motion when vibrating, driving stem 63 is towards abutment ring 921 translation (being namely moved upward in figure), now ratchet 62 can rotate clockwise by driving pawl 61, ratchet 61 drives inner ring 922 to rotate clockwise, when feet extends, driving stem 63 moves down, now ratchet 62 can not to rotate and when ratchet 62 touches the tooth on ratchet 61 by driving pawl 61, driving stem 63 makes driving stem 63 to reset away from ratchet 61, when ratchet 62 does not touch the tooth on ratchet 61, under the effect of engage spring 65, ratchet 62 moves to right and resets.Thus when making each vibration period, the impact site suffered by inner ring 922 is different, and inner ring 922 is circumferentially shifted one's position continuously and withstands shocks thus be not easy produce distortion and become oval.
Claims (10)
1. a concrete penetrometer, comprise test specimen sleeve and water tank, it is characterized in that, also comprise and the water in described water tank is flowed to the water pump being arranged in described test specimen sleeve, described water tank is provided with water inlet and water inlet control gear, described water inlet control gear comprises the fork be hinged in water tank, be arranged at the plug of fork one end and be connected to floating the swing of driving fork by the water in water tank and making plug close the ball float of described water inlet of the fork other end, described water pump is provided with wire and imports and exports and tube head, described tube head is provided with ball joint head, described wire is imported and exported and is provided with spherical cavity, described tube head is connected in described spherical cavity by described ball joint head to be imported and exported hinged with wire, described tube head is fixed together with described wire import and export by puller bolt, the center line of described puller bolt imports and exports the center of mating surface through tube head and wire.
2. a kind of concrete penetrometer according to claim 1, is characterized in that, described plug is spherical, and described plug is rubber structure.
3. a kind of concrete penetrometer according to claim 2, is characterized in that, described plug is fixed together with described fork.
4. a kind of concrete penetrometer according to claim 1 or 2 or 3, it is characterized in that, described water tank is provided with via hole, and described via hole is bolted water inlet pipe, be provided with elastic seal ring between described water inlet pipe and via hole, the endpiece of described water inlet pipe forms described water inlet.
5. a kind of concrete penetrometer according to claim 1 or 2 or 3, it is characterized in that, described water tank is provided with lid, described lid is provided with handle rod, the outer resilient sleeve of described handle rod is provided with overcoat, the elastic adjusting mechanism of the elastic force regulated between overcoat and handle rod is provided with between described handle rod and overcoat, described elastic adjusting mechanism comprises and is set in handle rod outer and the base tube be located in overcoat and the holding sheet being looped around described base tube outside, the fricting strip that described holding sheet is distributed by the some pieces of circumferences along base tube is formed, described fricting strip is provided with the slide bar that some radial directions along base tube extend, described sliding bar is arranged in described base tube, the inner of described slide bar is provided with and drives the outer shift-in of slide bar and drive fricting strip to be connected to the 3rd spring together with overcoat, described elastic adjusting mechanism is also provided with the pretightning force adjustment structure of the pretightning force regulating described 3rd spring.
6. a kind of concrete penetrometer according to claim 5, it is characterized in that, described pretightning force adjustment structure comprises the conical head that base tube is supported on the tubular structure outside handle rod by two, conical head is driven to move axially and conical head can be made to stop at the drives structure of desired location and some push rods, described two conical heads are slidably connected in the two ends of described base tube in the mode that miner diameter end subtend is arranged, the two ends of described push rod are shelved on the conical surface of described two conical heads, all described slide bars of same fricting strip pass through described spring supporting on same described push rod, the described slide bar of each block fricting strip is respectively supported by a described push rod.
7. a kind of concrete penetrometer according to claim 6, is characterized in that, described drives structure comprises the jacking block in two two ends being threaded in described base tube, and described two conical heads are between described two jacking blocks.
8. a kind of concrete penetrometer according to claim 1 or 2 or 3, it is characterized in that, also comprise stand, described test specimen sleeve and water tank are all arranged on described stand, described stand is provided with feet, described feet comprises the hypomere that epimere and upper end are set in epimere lower end, the shock-absorbing spring supporting described epimere is provided with in hypomere, the upper end of described epimere is provided with abutment ring, inner ring is equipped with in described abutment ring, described inner ring is linked together with described abutment ring by rubber ring, described rubber ring is provided with several blind holes distributed along rubber ring circumference, described blind hole is arranged at inner peripheral surface or the outer peripheral face of described rubber ring, division board is provided with in described blind hole, described blind hole is divided into radially-arranged two cavitys along rubber ring by described division board, described division board is provided with the main friction passage being communicated with described two cavitys, friction plate is provided with in described main friction passage, described friction plate is equipped with the friction lever that can radially slide along rubber ring, described friction lever is provided with a friction passage, the openend of described blind hole is stamped the elastomer cover arched upward towards blind hole inside, described inner ring is equipped with connecting pin, described epimere is linked together with described stand by described connecting pin.
9. a kind of concrete penetrometer according to claim 8, it is characterized in that, described feet also comprises driving mechanism, described inner ring is connected to described abutment ring rotationally, described driving mechanism is used for the one-directional rotation point resultant motion between epimere and hypomere being converted to inner ring, described driving mechanism comprises the ratchet of ratchet and driving pawl, and described ratchet coaxially links together with described inner ring; Described ratchet links together with hypomere.
10. a kind of concrete penetrometer according to claim 1 and 2, it is characterized in that, described tube head and wire be provided with between importing and exporting tube head is supported in described wire import and export in support ring, described tube head and wire are clearance fit between importing and exporting, and described support ring is fixed in described wire and imports and exports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520962055.0U CN205157394U (en) | 2015-11-29 | 2015-11-29 | Concrete penetrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520962055.0U CN205157394U (en) | 2015-11-29 | 2015-11-29 | Concrete penetrometer |
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| Publication Number | Publication Date |
|---|---|
| CN205157394U true CN205157394U (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520962055.0U Expired - Fee Related CN205157394U (en) | 2015-11-29 | 2015-11-29 | Concrete penetrometer |
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| Country | Link |
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| CN (1) | CN205157394U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290109A (en) * | 2016-08-09 | 2017-01-04 | 郭颂怡 | Concrete penetrometer |
| CN117658682A (en) * | 2023-12-11 | 2024-03-08 | 金明寓建设集团有限公司 | Building concrete maintenance sprinkler |
-
2015
- 2015-11-29 CN CN201520962055.0U patent/CN205157394U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290109A (en) * | 2016-08-09 | 2017-01-04 | 郭颂怡 | Concrete penetrometer |
| CN117658682A (en) * | 2023-12-11 | 2024-03-08 | 金明寓建设集团有限公司 | Building concrete maintenance sprinkler |
| CN117658682B (en) * | 2023-12-11 | 2024-06-04 | 金明寓建设集团有限公司 | Building concrete maintenance sprinkler |
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