CN206873434U - A kind of safe standard penetration test (SPT) hammering device - Google Patents
A kind of safe standard penetration test (SPT) hammering device Download PDFInfo
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- CN206873434U CN206873434U CN201720805633.9U CN201720805633U CN206873434U CN 206873434 U CN206873434 U CN 206873434U CN 201720805633 U CN201720805633 U CN 201720805633U CN 206873434 U CN206873434 U CN 206873434U
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- punching
- punching hammer
- telescopic tongue
- hammer
- guide rod
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Abstract
The utility model provides a kind of safety standard penetration test hammering device.The hammering device include frame, punching hammer, guide rod, beat pad, standard penetrometer and punching hammer jacking system, the bottom of frame be provided with offer drilling rod link slot beat pad supporting plate, on the guide bar hold provided with punching hammer into shape limiting plate；Punching hammer jacking system by hydraulic motor, the driving chain being vertically provided in frame, scattering device driving chain outer surface multiple telescopic tongue push pedals and be arranged on the telescopic tongue of punching hammer side and form, driving chain vertically transmits along frame in the presence of hydraulic motor and travelling gear, and promotes telescopic tongue to drive punching to hammer into shape along guide rod by the telescopic tongue push pedal on its driving chain in vertical transmission and move up.The utility model is simple in construction, easy to use, automatic injection, and automatic record, real-time display is practical, realizes rapid, the automation of test, substantially reduces security risk, improve the reliability of test.
Description
Technical field
Ground exploration engineering field is the utility model is related to, the standard of specifically a kind of engineering geology safety in situ is passed through
Enter to test hammering device.
Background technology
Standard penetration test (SPT) is the important means of engineering geological investigation in-situ test, and standard penetration test (SPT) is to be with quality
63.5kg weight falls away from (76cm) free-falling according to regulation, the penetrator of standard specification is squeezed into stratum, according to injection
Device judges the property of soil layer in the blow counts that injection certain depth obtains.
Traditional standard penetration test (SPT) equipment is made up of standard penetrometer, sounding rod and punching hammer, in test, by standard
Penetrator is connected on sounding rod and is put into drilling, is sling punching hammer with rig elevator, and punching hammer guide rod is connected with sounding rod,
Manually manipulation, which turns to raise, makes punching hammer rise 76cm apply penetrating power to standard penetrometer along guide rod free-falling.Due to boring
Hole aperture is much larger than feeler inspection shank diameter, is difficult in test to keep plumbness, manual manipulation elevator carries out hammering security risk
It is high.
The content of the invention
It is an object of the invention to provide a kind of simple in construction, the one of experiment is touched suitable for standard penetration test (SPT) and heavy power
The standard penetration test (SPT) hammering device of kind safety, the device can realize rapid, the automation of test, substantially reduce safety wind
Danger, improve the reliability of test.
Technical scheme provided by the invention：A kind of safety standard penetration test hammering device, it is characterised in that：Including
Frame, punching hammer, guide rod, beat pad, standard penetrometer and punching hammer jacking system, punching hammer and beat to pad to be set in and lead
It on bar, and can be moved up and down along guide rod, play pad and be placed in punching hammer lower section, be provided with the bottom of frame and offer drilling rod company
Access slot breaks pad supporting plate, and the standard penetrometer is by sounding rod or drilling rod and plays pad connection, and end is provided with punching on the guide bar
Hammer limiting plate into shape；The punching hammer jacking system is existed by hydraulic motor, the driving chain being vertically provided in frame, scattering device
Multiple telescopic tongue push pedals of driving chain outer surface and the telescopic tongue composition for being arranged on punching hammer side, in the side pair of punching hammer
Telescopic tongue mounting groove should be installed, the telescopic tongue is arranged in telescopic tongue mounting groove by elastic component, set on telescopic tongue
There is a telescopic tongue push button, the driving chain is arranged in frame by travelling gear, in hydraulic motor and travelling gear
Effect lower driving chain vertically transmits along frame, and is promoted in vertical transmission by the telescopic tongue push pedal on its driving chain
The telescopic tongue for stretching out telescopic tongue mounting groove drives punching hammer to be moved up along guide rod, and telescopic tongue touch-control is moved in punching hammer
When button contacts with the punching hammer limiting plate of guide rod upper end, telescopic tongue is contracted in telescopic tongue mounting groove, and is pushed away with telescopic tongue
Plate departs from, and punching hammer stops rising, and is moved down under gravity along guide rod；Telescopic tongue is moved downward in punching hammer
When the punching hammer limiting plate of push button and guide rod upper end departs from, telescopic tongue stretches out contracting tongue mounting groove, and is hammered into shape in punching from leading
Topmost dropped to bar during playing pad, do not there is telescopic tongue push pedal to be sent to the mobile opening position of punching hammer.
The utility model preferably technical scheme：The hammering device also includes depth of penetration and blow counts detection display dress
Put, the device be by with detection display control case, be arranged on punching hammer limiting plate on close to sensor for countering, be arranged on machine
Stay wire displacement sensor on frame, detection storage circuit, sound prompt device and the movement being arranged in detection display control case
Power supply forms, and the detection display control case is fixed on the bottom of frame, and stay wire displacement sensor is fixed on upper rack crossbeam
Centre, its bracing wire terminate at guide rod top, and joint can rotate against, described close to sensor for countering and bracing wire displacement sensing
Device is connected to detection display control case by communication cable.
The utility model preferably technical scheme：It is vertical in frame to be provided with two parallel punching hammer limit guide rails,
Punching hammers the installation chute for being equipped with limiting plate and punching hammer and matching with punching hammer limit guide rail into shape, and the punching hammers limiting plate into shape
Hammer limit guide rail into shape by installing chute and punching with punching hammer and be slidably connected, and can be moved down along in punching hammer limit guide rail
It is dynamic；
The utility model preferably technical scheme：Upper and lower gear in upper rack and bottom, the driving chain are ring
Shape chain, upper and lower position are respectively sleeved on upper and lower gear, and the hydraulic motor is fixed on frame upper end, and driving chain is in liquid
Vertically it is driven along frame under the drive of pressure motor and travelling gear, 3-5 telescopic tongue is evenly distributed with driving chain and is pushed away
The distance between plate, two adjacent telescopic tongue push pedals is equal to or more than punching and hammered into shape along the upward move distance of guide rod and punching hammer edge
The displacement sum of guide rod deadweight fall time inner driving system bar transmission.
The utility model preferably technical scheme：The cross section of the telescopic tongue is rectangle, is distinguished in telescopic tongue above and below
Contacted provided with linear bearing, and by linear bearing with the telescopic tongue mounting groove inner groove surface being opened on punching hammer, in telescopic tongue
Telescopic tongue is offered close to one end of punching hammer and pushes away groove, and the telescopic tongue push button is by the wedge-shaped inserted block of bottom and top
Elastic button forms, when telescopic tongue push button, which rises, to be contacted with punching hammer limiting plate, under the pressure of punching hammer limiting plate
The wedge-shaped inserted block of its underpart correspondingly inserts telescopic tongue and pushed away in groove, and promotes telescopic tongue to stretch into telescopic tongue mounting groove；In telescopic tongue
When push button and punching hammer limiting plate depart from, the wedge-shaped inserted block of bottom automatically resets disengaging under the drive of top elastic button
Telescopic tongue pushes away groove, and telescopic tongue stretches out telescopic tongue mounting groove in the presence of elastic component.
The utility model preferably technical scheme：Lock is provided with punching hammer, when punching hammer does not work, passes through guarantor
Dangerous bolt is with being oriented to rod locking.
The utility model preferably technical scheme：The punching hammer limiting plate is that centre opens up round-meshed annular slab, its
The diameter of circular hole is less than the external diameter of guide rod, and end is corresponding on the guide bar offers annular groove, and punching hammer limiting plate passes through it
Middle circular hole is set in the annular groove of guide rod upper end, and can be horizontally rotated along guide rod.
The utility model preferably technical scheme：The shift length of the punching hammer on the guide bar is 760-800mm.
The utility model preferably technical scheme：The punching hammer limit guide rail has two, is being symmetricly set on frame just
Face, the lateral cross section of every punching hammer limit guide rail is triangular in shape, is oppositely arranged, in punching hammer and punching hammer limiting plate both sides pair
The V-shaped installation chute in section should be offered.
The utility model preferably technical scheme：The punching hammer weight 63.5kg, using a diameter of 220-230mm, height
For 300-320mm cylindrical structure, it is 45-53mm manholes that its middle position, which offers internal diameter, at an upper portion thereof and at a lower portion thereof
Both sides respectively symmetrically offer depth 20-30mm V-arrangement installation chute, and per side upper and lower two V-arrangements install chute same
Highly it is 50mm on one straight line；The corresponding excision in position between the upper and lower V-arrangement installation chute in punching hammer both sides, forms one
Individual both sides indent, longitudinal cross-section are I-shaped cylindrical structure, are symmetrically installed on two V-arrangement faces of each V-arrangement installation chute
There is slip steel ball, and when punching hammer is slidably connected with punching hammer limit guide rail, limit guide rail is hammered into shape with punching by sliding steel ball
Contact.
Operation principle of the present utility model:The utility model drives chain by hydraulic motor by gear and lower gear
Rotate forward, the hook being distributed on chain drives punching hammer to move up by telescopic tongue, when mobile height reaches 760mm, touches
Control button makes telescopic tongue bounce back, and punching hammer plays pad along slide rail free-falling, and by playing pad, drilling rod applies injection to penetrator
Power.When punching hammer moves up, when sensor for countering detects that punching hammer reaches peak for the first time, system is reset, to count
Passage make reference variable record injection amount, by programming make display screen real-time display injection 0-150,150-250,250-350,
350-450mm hit number or it is other need pattern, when the injection total amount >=450mm that recorded terminates to test.
The utility model is simple in construction, easy to use, automatic injection, and automatic record, real-time display is practical, realizes
Rapid, the automation of test, substantially reduce security risk, improve the reliability of test.
Brief description of the drawings
Positive structure schematic when Fig. 1 is of the present utility model hammered；
Fig. 2 is the side structure schematic diagram of the present utility model without during hammering；
Fig. 3 is the telescopic tongue structural representation that punching is hammered into shape in the utility model；
Fig. 4 is the structural representation that punching is hammered into shape in the utility model；
Fig. 5 is Fig. 4 longitudinal sectional view；
Fig. 6 is A-A cross-sectional views in Fig. 1.
In figure：1-punching is hammered into shape, 1-1-installation chute, 1-2-telescopic tongue mounting groove, 1-3-slip steel ball, 1-4-guarantor
Dangerous bolt, 2-beat pad, 3-guide rod, 4-guide ring, 5-proximity transducer, 6-stay wire displacement sensor, 7-frame, 7-
1-supporting plate, 8-chain, 9-hook, 10-gear, 11-lower gear, 12-standard penetrometer, 13-visit feeler lever or brill
Bar, 14-touching are turned round, 14-1-wedge-shaped inserted block, 14-2-elastic button, 15-supporting plate, 16-telescopic tongue, 16-1-linear axis
Hold, 16-2-telescopic tongue pushes away groove, 17-hydraulic motor, 18-detection display control case, 19-punching hammer limit guide rail.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.One kind safety as illustrated in figs. 1 and 2
Standard penetration test (SPT) device, it is characterised in that：Including frame 7, punching hammer 1, guide rod 3, beat pad 2, punching hammer into shape jacking system and
It is vertically provided at the punching hammer limit guide rail 19 of frame 7.The height of the frame 7 is 1.8-2m, is rectangle for cross section
Frame structure, long 350-400mm, wide 250-280mm, supporting plate 7-1 is provided with the bottom of frame 7, and brill is offered on supporting plate 7-1
Bar groove.The punching hammer limit guide rail 19 has two, is symmetricly set on the front of frame 7, and every punching hammers limit guide rail 19 into shape
Lateral cross section is triangular in shape, sets the guiding principle degree of 3-4 degree crossbeam enhancing frame respectively in both sides and the back side.
As shown in Figure 4 and Figure 5, the punching hammer 1 is set on guide rod 3, and can be moved up and down along guide rod 3, is beaten
Pad 2 is fixedly mounted on the lower end of guide rod 3, and the sounding rod or drilling rod 23 with being connected with penetrator 22 are provided with the bottom for playing pad 2
The screw thread mouth 2-1 of connection, punching hammer limiting plate 4 is provided with the upper end of guide rod 3.The punching hammers 1 heavy 63.5kg into shape, and use is a diameter of
220-230mm, it is highly 300-320mm cylindrical structure, it is 45-53mm manholes that its middle position, which offers internal diameter,
Both sides at an upper portion thereof and at a lower portion thereof respectively symmetrically offer depth 20-30mm V-arrangement installation chute 1-1, and upper and lower two per side
Individual V-arrangement installation chute 1-1 is highly 50mm on the same line；The punching hammers the upper and lower V-arrangement installation chute 1-1 in 1 both sides into shape
Between position it is corresponding cut off, form a both sides indent, longitudinal cross-section is I-shaped cylindrical structure.The punching hammer 1
Shift length on guide rod 3 is 760-800mm, and lock 1-4 is provided with punching hammer 1, in punching hammer without hammering
When, punching hammer can be avoided to be moved along guide rod 3；The thickness for playing pad 2 is 50-60mm；The punching hammers limiting plate 4 into shape
Centre opens up round-meshed annular slab, and the diameter of its circular hole is less than the external diameter of guide rod 3, correspondingly offered in the upper end of guide rod 3
Annular groove, punching hammer limiting plate 4 are set in by in-between circular hole in the annular groove of the upper end of guide rod 3, and can be along
Guide rod 3 horizontally rotates, and the V-shaped installation chute 1-1 in section is also offered in punching hammer limiting plate 4 both sides.The punching hammer
The punching hammer phase of limit guide rail 19 parallel with two in frame 7 the installation chute 1-1 of limiting plate 4 and the V-arrangement on punching hammer 1
Match somebody with somebody, the punching hammer limiting plate 4 and punching hammer 1 are slidably connected by installing chute 1-1 with punching hammer limit guide rail 19, and can
Moved up and down along punching hammer limit guide rail 19；In order to facilitate slip, as shown in fig. 6, each V-arrangement in punching hammer 1 installs cunning
Be symmetrically installed with groove 1-1 two V-arrangement faces slide steel ball 1-3, make punching hammer 1 with punching hammer limit guide rail 19 be slidably connected when,
Contacted by sliding steel ball 1-3 with punching hammer limit guide rail 19.The punching hammer 1 plays pad 2 and is placed in supporting plate 7-1 when not working
On, and hammer the lock 1-4 set into shape by punching and pin；During punching 1 work of hammer, the spacing beaten between pad 2 and supporting plate 7-1 is big
In test trip, drilling rod 23 is connected through the drilling rod link slot on supporting plate 7-1 with beating the screw thread mouth on pad 2.
As depicted in figs. 1 and 2, the punching hammer jacking system is by hydraulic motor 17, the biography being vertically provided in frame 7
Dynamic chain 8, scattering device the outer surface of driving chain 8 3-5 telescopic tongue push pedal 9 and be arranged on the telescopic tongue that punching hammers side into shape
16, the upper and lower gear 10,11 in the upper and lower part of frame 7, the upper and lower gear 10,11 is separately fixed at frame away from upper and lower side
At 100-150mm, driving chain 8 is ring chain, and upper and lower position is respectively sleeved on upper and lower gear 10,11.As shown in figure 3,
Telescopic tongue mounting groove 1-2 is correspondingly installed in the side of punching hammer 1, the telescopic tongue 16 is (general to use by elastic component 15
Spring) it is arranged in telescopic tongue mounting groove 1-2, the cross section of the telescopic tongue 16 is rectangle, is distinguished in the above and below of telescopic tongue 16
Connect provided with linear bearing 16-1, and by linear bearing 16-1 with the telescopic tongue mounting groove 1-2 inner groove surfaces being opened on punching hammer 1
Touch, offering telescopic tongue close to one end of punching hammer 1 in telescopic tongue 16 pushes away groove 16-2, and telescopic tongue touch-control is provided with telescopic tongue 16
Button 14, the telescopic tongue push button 14 are made up of the wedge-shaped inserted block 14-1 of bottom and the elastic button 14-2 on top.Institute
State hydraulic motor 17 and be fixed on the upper end of frame 7, driving chain 8 is under the drive of hydraulic motor 17 and travelling gear along frame 7
Vertical transmission, and promoted in vertical transmission by the telescopic tongue push pedal 9 on its driving chain 8 and stretch out telescopic tongue mounting groove 1-2
Telescopic tongue 16 drive punching hammer 1 to be moved up along guide rod 3, be moved to telescopic tongue push button 14 with leading in punching hammer 1
When being contacted to the punching hammer limiting plate 4 of bar upper end, the wedge-shaped inserted block 14-1 of its underpart is corresponding under the pressure of punching hammer limiting plate 4
Insertion telescopic tongue is pushed away in groove 16-2, promotes telescopic tongue 16 to stretch into telescopic tongue mounting groove 1-2, and is departed from telescopic tongue push pedal 9, is worn
Heart hammer stops rising, and is moved down under gravity along guide rod 3；Punching hammer 1 be moved downward to telescopic tongue touch-control by
When button 14 and the punching hammer limiting plate 4 of guide rod upper end depart from, the wedge-shaped inserted block 14-1 of bottom is top elastic button 14-2's
The disengaging telescopic tongue that automatically reset under drive pushes away groove 16-2, and telescopic tongue 16 stretches out telescopic tongue mounting groove in the presence of elastic component 15
1-2, and during punching hammer 1 drops to dozen pad 2 from the top of guide rod 3, do not there is telescopic tongue push pedal 9 to be sent to punching hammer
The opening position of 1 movement.
During dropping to dozen pad 2 from the top of guide rod 3 in punching hammer 1, passed without telescopic tongue push pedal 9
The distance between the opening position, two adjacent telescopic tongue push pedals 9 for delivering to the movement of punching hammer 1 is upward along guide rod 3 equal to punching hammer 1
Mobile distance and punching hammer 1 dropped under the conditions of deadweight along the top of guide rod 3 in the time for playing pad 2 hydraulic motor with
Test allow maximum (top) speed drive chain 8 move apart from sum.In order to facilitate installation and removal, the telescopic tongue push pedal 9
T-shaped can be used to link up with, the horizontal peg width of T-shaped hook is opened with chain 8 etc. among left side than 8 wide 10-15mm of driving chain
Sipes, the telescopic tongue push pedal 9 are mounted vertically on driving chain 8, and the horizontal peg for side of slotting is hung on driving chain 8
On coupling bar, its vertical bar is covered in the surface of driving chain 8, and the horizontal peg of the other end stretches out driving chain 8, and flexible
When tongue 16 stretches out telescopic tongue mounting groove 1-2, it is placed in the lower section of telescopic tongue 16 and promotes punching hammer 1 to be moved up along guide rod 3.
As depicted in figs. 1 and 2, the safety standard penetration test device also includes depth of penetration and blow counts detection display
Device, the device be by with detection display control case 18, be arranged on punching hammer limiting plate 4 on close to sensor for countering 5, set
Put the stay wire displacement sensor 6 in frame 7, the detection storage circuit being arranged in detection display control case 18, voice message
Device and portable power source composition, the detection display control case 18 are fixed on the bottom of frame 7, and stay wire displacement sensor 6 is fixed
Among the upper beam of frame 7, its bracing wire terminates at the top of guide rod 3, and joint can rotate against, described close to counting sensing
Device 5 and stay wire displacement sensor 6 are connected to detection display control case 18 by communication cable.The depth of penetration and blow counts
Detection display device is mainly used for detecting and showing depth of penetration and blow count, by close to sensor for countering 5, bracing wire displacement
Sensor 6, detection storage circuit and portable power source composition, detection display control case 18 can be fixed on frame left lower.Institute
State close to sensor for countering 5 mainly for detection of blow counts, detect that punching is hammered into shape by the first time of program setting sensor for countering 5
System is reset when reaching peak, makees reference variable record injection amount with counting channel, punching hammer 1 rises to highest every time afterwards
Position with close to sensor for countering 5 close to when, count signal is passed into detection display control case 18 close to sensor for countering 5, entered
Row counts；Stay wire displacement sensor 6 is mainly used to detect depth of penetration.
The course of work of the present utility model：Load operating debugging is first carried out before the utility model use indoors, it is ensured that
Each part normal operation, the relative position of spacing punching hammer limiting plate 4 and touch-control button 14 is adjusted repeatedly, it is ensured that punching hammer 1 falls
Away from for 760 ± 20mm；The position of sensor for countering 5 is adjusted repeatedly, and guarantee can normally count and have safety clearance；Measure passes respectively
Energy of the system method with this method on pad is played, when the two energy difference is not more than 1% without adjustment；When the two energy difference is more than
When 1%, micro- increase falls away from or hammered into shape weight, the two energy difference hit is not more than 1%.When specifically used, when rig is crept into a certain
During preassigned penetration test depth, stop drilling, the drilling rod of rig and drill bit are proposed into drilling, and standard penetrometer 12 is connected
It is connected on drilling rod 13, is hung in hoist engine is bored in drilling, the stacks when putting, when to preassigned penetration test depth
When, drilling rod 13 is higher by aperture ground 0.5-1m；And be connected the hydraulic motor 17 of the present apparatus with hydraulic power source by oil pipe, open inspection
After surveying the power supply of display control case 18, pressing, which once resets, is good for, and starts hydraulic motor 17 and simultaneously adjusts oil pressure, hydraulic motor 17 passes through
Upper and lower gear 10,11 drives chain 8 to be driven, and the telescopic tongue push pedal 9 being distributed on chain pushes up telescopic tongue 16, drives punching
Hammer 1 moves up, and when mobile height reaches 760mm, touch-control button 14 makes telescopic tongue 16 bounce back, and punching hammer 1 is free along guide rod 3
Pad 2 is played in whereabouts, and applies penetrating power to penetrator 22 by making pad 2 and drilling rod 23, completes punching and hammers 1 pummel injection into shape
The work of device；In shots, by close to sensor for countering 5 and stay wire displacement sensor 6 by hammer number and injection
Passed to after displacement detecting in detection display control case 18, record and show in real time automatically by the detection storage circuit in control cabinet
Real blow counts N and injection amount H (cm), when depth of penetration H meets or exceeds 15cm first, detect and raised one's voice built in display control case
Device sends voice message " play completion in advance ", while N, H value zero restart numeration display, when the H values of record are met or exceeded
During 30cm, terminate experiment, data store automatically, while voice message this off-test；Display window in addition to real time data is shown,
The conventional form of display can be set by button；Such as:The pre- number that hits for beating 0-15cm, 0-10cm hits number, 10-20cm hits number, 20-
30cm hits number etc.；After off-test, hydraulic motor 17 is closed, after laying down jointed rod 13, hydraulic motor 17 is inverted at a slow speed, allows
Fall on supporting plate 7-1 under punching hammer 1, and hung out drilling rod in drilling 13 with hoist engine, it is standby to unload the wash clean of standard penetrometer 12
With, and stay disturbance sample with polybag.
It is using the advantages of this experimental rig：Module designs, simple in construction, easy to use, and security performance is high, passes through automatically
Enter, automatic record, real-time display is practical.
Claims (10)
- A kind of 1. safety standard penetration test hammering device, it is characterised in that：Including frame (7), punching hammer (1), guide rod (3) pad (2), standard penetrometer (20) and punching hammer jacking system, are beaten, the punching, which hammers (1) into shape and plays pad (2), is set in guiding It on bar (3), and can be moved up and down along guide rod (3), play pad (2) and be placed in below punching hammer (1), set in the bottom of frame (7) There is offer drilling rod link slot to break pad supporting plate (7-1), the standard penetrometer (12) is by sounding rod or drilling rod (13) and beats (2) connection is padded, punching hammer limiting plate (4) is provided with guide rod (3) upper end；The punching hammer jacking system is by hydraulic motor (17), be vertically provided at driving chain (8) in frame (7), scattering device driving chain (8) outer surface multiple telescopic tongues Push pedal (9) and telescopic tongue (16) composition for being arranged on punching hammer side, telescopic tongue peace is correspondingly provided with the side of punching hammer (1) Tankage (1-2), the telescopic tongue (16) is arranged in telescopic tongue mounting groove (1-2) by elastic component (15), in telescopic tongue (16) telescopic tongue push button (14) is provided with, the driving chain (8) is arranged in frame (7) by travelling gear, in liquid Driving chain (8) vertically transmits along frame (7) in the presence of pressure motor (17) and travelling gear, and passes through in vertical transmission Telescopic tongue push pedal (9) on its driving chain (8) promotes the telescopic tongue (16) for stretching out telescopic tongue mounting groove (1-2) to drive punching hammer (1) moved up along guide rod (3), wearing for telescopic tongue push button (14) and guide rod upper end is moved in punching hammer (1) During heart hammer limiting plate (4) contact, telescopic tongue (16) is contracted in telescopic tongue mounting groove (1-2), and de- with telescopic tongue push pedal (9) From punching hammer stops rising, and is moved down under gravity along guide rod (3)；It is moved downward in punching hammer (1) flexible When tongue push button (14) and the punching hammer limiting plate (4) of guide rod upper end depart from, telescopic tongue (16) stretches out contracting tongue mounting groove (1- 2), and during punching hammer (1) topmost drops to dozen pad (2) from guide rod (3), there is not telescopic tongue push pedal (9) transmission The opening position mobile to punching hammer (1).
- A kind of 2. safety standard penetration test hammering device according to claim 1, it is characterised in that：The hammering device Also include depth of penetration and blow counts detection display device, the device be by with detection display control case (18), be arranged on and wear On heart hammer limiting plate (4) close to sensor for countering (5), the stay wire displacement sensor (6) being arranged in frame (7), be arranged on Detect detection storage circuit, sound prompt device and the portable power source composition in display control case (18), the detection display control Case (18) processed is fixed on the bottom of frame (7), and stay wire displacement sensor (6) is fixed among the crossbeam of frame (7) top, its bracing wire Guide rod (3) top is terminated at, joint can rotate against, described close to sensor for countering (5) and stay wire displacement sensor (6) Detection display control case (18) is connected to by communication cable.
- A kind of 3. safety standard penetration test hammering device according to claim 1 or 2, it is characterised in that：In frame (7) It is upper vertical to be provided with two parallel punchings hammer limit guide rails (19), be equipped with punching hammer limiting plate (4) and punching hammer (1) and The installation chute (1-1) that punching hammer limit guide rail (19) matches, the punching hammer limiting plate (4) and punching hammer (1) pass through Installation chute (1-1) is slidably connected with punching hammer limit guide rail (19), and can hammer limit guide rail (19) into shape along punching and move up and down；
- A kind of 4. safety standard penetration test hammering device according to claim 1 or 2, it is characterised in that：In frame (7) The upper and lower gear (10,11) of upper and lower part, the driving chain (8) are ring chain, upper and lower position is respectively sleeved at, On lower gear (10,11), the hydraulic motor (17) is fixed on frame (7) upper end, driving chain (8) in hydraulic motor (17) and Vertically it is driven along frame (7) under the drive of travelling gear, 3-5 telescopic tongue push pedal is evenly distributed with driving chain (8) (9), the distance between two adjacent telescopic tongue push pedals (9) be equal to or more than punching hammer (1) along guide rod (3) move up away from The displacement sum of (1) along guide rod deadweight fall time inner driving system bar (8) transmission is hammered into shape from punching.
- A kind of 5. safety standard penetration test hammering device according to claim 1 or 2, it is characterised in that：It is described flexible The cross section of tongue (16) is rectangle, is respectively equipped with linear bearing (16-1) in telescopic tongue (16) above and below, and pass through linear bearing (16-1) contacts with telescopic tongue mounting groove (1-2) inner groove surface being opened on punching hammer (1), is hammered into shape in telescopic tongue (16) close to punching (1) one end offers telescopic tongue and pushes away groove (16-2), and the telescopic tongue push button (14) is the wedge-shaped inserted block (14- by bottom 1) elastic button (14-2) with top forms, when telescopic tongue push button (14), which rises, to be contacted with punching hammer limiting plate (4), The corresponding insertion telescopic tongue of the wedge-shaped inserted block (14-1) of its underpart is pushed away in groove (16-2) under the pressure of punching hammer limiting plate (4), and Telescopic tongue (16) is promoted to stretch into telescopic tongue mounting groove (1-2)；It is de- in telescopic tongue push button (14) and punching hammer limiting plate (4) From when, the wedge-shaped inserted block (14-1) of bottom automatically resets under top elastic button (14-2) drive to be departed from telescopic tongue and pushes away groove (16-2), telescopic tongue (16) stretch out telescopic tongue mounting groove (1-2) in the presence of elastic component (15).
- A kind of 6. safety standard penetration test hammering device according to claim 1 or 2, it is characterised in that：Hammered into shape in punching (1) lock (1-4) is provided with, when punching hammer (1) does not work, is locked by lock (1-4) and guide rod (3).
- A kind of 7. safety standard penetration test hammering device according to claim 1 or 2, it is characterised in that：The punching Hammer limiting plate (4) is that centre opens up round-meshed annular slab, and the diameter of its circular hole is less than the external diameter of guide rod (3), in guide rod (3) upper end correspondingly offers annular groove, and punching hammer limiting plate (4) is set in guide rod (3) upper end by in-between circular hole Annular groove in, and can horizontally rotate along guide rod (3).
- A kind of 8. safety standard penetration test hammering device according to claim 1 or 2, it is characterised in that：The punching It is 760-800mm to hammer the shift length of (1) on guide rod (3) into shape.
- A kind of 9. safety standard penetration test hammering device according to claim 3, it is characterised in that：The punching hammer limit Position guide rail (19) has two, is symmetricly set on the front of frame (7), the lateral cross section of every punching hammer limit guide rail (19) is in three It is angular, it is oppositely arranged, hammers that limiting plate (4) both sides are corresponding offers the V-shaped installation chute in section into shape in punching hammer (1) and punching (1-1)。
- A kind of 10. safety standard penetration test hammering device according to claim 9, it is characterised in that：The punching hammer (1) weight 63.5kg, uses a diameter of 220-230mm, highly for 300-320mm cylindrical structure, its middle position offers Internal diameter is 45-53mm manholes, and both sides at an upper portion thereof and at a lower portion thereof respectively symmetrically offer depth 20-30mm V-arrangement installation Chute (1-1), and upper and lower two V-arrangements installation chute (1-1) per side is on the same line, is highly 50mm；The punching Hammer the corresponding excision in position between the upper and lower V-arrangement installation chute (1-1) in (1) both sides into shape, forming both sides indent, a longitudinal cross-section is I-shaped cylindrical structure, it is symmetrically installed with two V-arrangement faces of each V-arrangement installation chute (1-1) and slides steel ball (1-3), And when punching hammer (1) is slidably connected with punching hammer limit guide rail (19), limit guide rail is hammered into shape with punching by sliding steel ball (1-3) (19) contact.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720805633.9U CN206873434U (en) | 2017-07-05 | 2017-07-05 | A kind of safe standard penetration test (SPT) hammering device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720805633.9U CN206873434U (en) | 2017-07-05 | 2017-07-05 | A kind of safe standard penetration test (SPT) hammering device |
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| CN206873434U true CN206873434U (en) | 2018-01-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138007A (en) * | 2018-09-25 | 2019-01-04 | 福建省永正工程质量检测有限公司 | A kind of foundation pile high stress detection vehicle |
| CN110295582A (en) * | 2019-07-29 | 2019-10-01 | 广东省地质装备中心 | A kind of dynamic sounding hammer and dynamic penetrometer |
| CN112229742A (en) * | 2020-09-30 | 2021-01-15 | 广东省高速公路有限公司 | Standard penetration test simulation equipment in centrifugal model test |
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2017
- 2017-07-05 CN CN201720805633.9U patent/CN206873434U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138007A (en) * | 2018-09-25 | 2019-01-04 | 福建省永正工程质量检测有限公司 | A kind of foundation pile high stress detection vehicle |
| CN110295582A (en) * | 2019-07-29 | 2019-10-01 | 广东省地质装备中心 | A kind of dynamic sounding hammer and dynamic penetrometer |
| CN110295582B (en) * | 2019-07-29 | 2024-01-26 | 广东省地质装备中心 | Hammering device for dynamic sounding and dynamic sounding instrument |
| CN112229742A (en) * | 2020-09-30 | 2021-01-15 | 广东省高速公路有限公司 | Standard penetration test simulation equipment in centrifugal model test |
| CN112229742B (en) * | 2020-09-30 | 2023-06-20 | 广东省高速公路有限公司 | Standard penetration test simulation equipment in centrifugal model test |
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Address after: 430080 No. 17 metallurgical Avenue, Qingshan District, Hubei, Wuhan Patentee after: MCC Wukan Engineering Technology Co.,Ltd. Address before: 430080 No. 17 metallurgical Avenue, Qingshan District, Hubei, Wuhan Patentee before: WUHAN SURVEYING GEOTECHNICAL RESEARCH INSTITUTE Co.,Ltd. OF MCC |