CN206740707U - Stratum velocity of wave test device - Google Patents
Stratum velocity of wave test device Download PDFInfo
- Publication number
- CN206740707U CN206740707U CN201720588874.2U CN201720588874U CN206740707U CN 206740707 U CN206740707 U CN 206740707U CN 201720588874 U CN201720588874 U CN 201720588874U CN 206740707 U CN206740707 U CN 206740707U
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- CN
- China
- Prior art keywords
- hammer
- test device
- swing rod
- velocity
- wave test
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- Geophysics And Detection Of Objects (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a kind of stratum velocity of wave test device, its drip irrigation device is a kind of stratum velocity of wave test device, including excitation system, receiving system and signal processing system, the excitation system includes and the detection plate of ground fitting, close detection plate and the hammer carrier separated with detection plate, swing rod is rotatably connected on hammer carrier, swing rod is provided with the hammer that excites for being used for hammering detection plate, and the hammer carrier is provided with the locating rack for exciting hammer to position.Detection plate is bonded with ground during use, hammer carrier is moved to suitable position, hammer will be excited to be rotated up along hammer carrier again, so that contradicted after hammer handle is rotated up with locating rack, it is achieved thereby that the height of fixed point, the power and direction hit every time are consistent, and caused signal is relatively accurate, and the precision of test result is higher.
Description
Technical field
Stratum velocity of wave analytical instrument is the utility model is related to, more particularly to a kind of stratum velocity of wave test device.
Background technology
Wave velocity testing is applied to determine the velocity of wave of the compressional wave of all kinds of Rock And Soils, shearing wave or R wave, can be according to task
It is required that using single-hole method, cross hole method or Surface Wave Method.Using iron ball lateral impact plank, make to move between plate and ground, produce
Raw abundant shearing wave, so as to receive the shearing wave propagated downwards by soil layer at different height respectively in drilling.Because this
The situation that the path that kind is vertically propagated is propagated straight up close to natural stratum by basement rock, therefore to stratum response analysis more
It is useful.
Testing equipment generally comprises excitation system, receiving system and signal processing system.Method of testing is different, uses
Instrument and equipment it is also different.Because the velocity of longitudinal wave in soil is influenceed by water content, it is impossible to the power of true reflection soil
Characteristic, therefore the shear wave velocity generally in test soil, the method for test have single-hole method（Examine layer method）, cross hole method and Surface Wave Method（It is auspicious
Li Bofa）Deng.
Such as Fig. 1, single-hole method is to divide soil layer to be detected in a drilling, only needs a drilling, method is easy, is surveying
It is middle to use more.During test, horizontal shear wave manually is produced with the horizontal percussion test board of hammer 1 is excited, the detection in hole
Device 3 receives the signal that vibration source transmits, and by amplification, is recorded wave mode result by recorder 4, then according to these in difference
The wave mode that depth registration gets off, the first arrival time of each wave mode is determined, then modulus of shearing is calculated with formula, set for engineering construction
Meter provides necessary Seismic Design Parameters.But the direction that the direction manually hammered can not keep hammering every time is same direction,
Repeatedly the uniformity in hammering direction is relatively low, and manually power caused by hammering is also different every time for hammering, so as to cause signal to be forbidden
Really, the precision of test result is influenceed.
Utility model content
The purpose of this utility model is to provide a kind of stratum velocity of wave test device, and its advantage is the hammering that can be stablized
Test, improve the precision of test result.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of stratum wave velocity testing
Device, including excitation system, receiving system and signal processing system, the excitation system include the detection being bonded with ground
Plate, swing rod is rotatably connected on detection plate and the hammer carrier that is separated with detection plate, hammer carrier, swing rod, which is provided with, to be used to hammer detection
Plate excites hammer, and the hammer carrier is provided with the locating rack for exciting hammer to position.
Pass through above-mentioned technical proposal, detection plate is bonded with ground during use, hammer carrier is moved to suitable position, then will
Hammer is excited to be rotated up along hammer carrier so that contradicted after hammer handle is rotated up with locating rack, it is achieved thereby that the height of fixed point, often
The power of secondary strike and direction are consistent, and caused signal is relatively accurate, and the precision of test result is higher.
The utility model is further arranged to：The locating rack is rotatablely connected with hammer carrier, is rotatably connected on hammer carrier adjustable
Stroke extensible member, the one end of adjustable travel expansion part away from hammer carrier are rotatablely connected with locating rack.
Pass through above-mentioned technical proposal, locating rack is mainly as the location structure after exciting hammer lifting, by adjusting locating rack
Height be to realize the adjustment of hammer carrier height, realize to excite and hammer different hitting dynamics into shape, the adjustment process mainly can by one
Adjust stroke extensible member to realize, adjust relatively convenient.
The utility model is further arranged to：The locating rack is frame structure, and locating rack is provided with for swing rod positioning
Locating slot.
Pass through above-mentioned technical proposal, after swing rod is rotated up, in swing rod insertion locating slot, it is achieved thereby that the center of swing rod
Positioning so that excite the hammering positions of hammer more accurate.
The utility model is further arranged to：Be provided with the first magnetic block in the locating slot, swing rod towards locating slot one
Side is provided with the second magnetic block.
Pass through above-mentioned technical proposal, when swing rod rotates to locating rack to be adjusted, the first magnetic block and the second magnetic block are progressively
It is close, it is attracting eventually through magnetic force, the positioning of swing rod is realized, the position that the process realizes swing rod by magnetic force guides so that
The operation of operating personnel is more laborsaving.
The utility model is further arranged to：Described to excite the hammer handle of hammer to be slidably connected with swing rod, swing rod, which is provided with, to be used for
Regulation excites the lift adjustment component of hammer height.
Pass through above-mentioned technical proposal, hammer is excited to be slided up and down by lift adjustment component along swing rod, so as to realize
The adjustment of hit position, more preferable must can hit for the detection plate of different-thickness.
The utility model is further arranged to：The swing rod is provided with slide rail, excites the hammer handle of hammer to be provided with and is slided with slide rail
The sliding shoe of dynamic connection, lift adjustment component include lifting motor, the elevating screw with the output axis connection of lifting motor, slided
Block is linked by elevating screw.
Pass through above-mentioned technical proposal, the slide rail on swing rod are available for sliding shoe to slide up and down, and resistance to sliding is smaller, slide more
It is smooth.
The utility model is further arranged to：The locating rack is provided with some lightening grooves.
Pass through above-mentioned technical proposal, lightening grooves cause the weight saving of locating rack, so as to the regulation of range-adjustable extensible member
Pressure reduces, and adjusts the more smoothly stabilization of process.
The utility model is further arranged to：The adjustable travel expansion part is increased stroke-adjustable gas cylinder.
Pass through above-mentioned technical proposal, the structure of increased stroke-adjustable gas cylinder is relatively stable, and adjustment process is relatively stable.
In summary, the utility model has the advantages that：1st, using the structure of hammer carrier, it is accurate to add operation
Property, improve the hammering degree of accuracy；2nd, the position adjust automatically of locating rack is realized using adjustable travel expansion part, satisfaction excites hammer not
With the location requirement of position；3rd, being realized using lift adjustment component excites the height of hammer to adjust, and realizes the change of hammering positions.
Brief description of the drawings
Fig. 1 is the structural representation of prior art；
Fig. 2 is the structural representation of embodiment；
Fig. 3 is the structural representation of the excitation system of embodiment；
Fig. 4 is enlarged drawing at A in Fig. 3；
Fig. 5 is the structural representation of embodiment, for showing the structure of locating rack.
Reference：1st, hammer is excited；2nd, detection plate；3rd, wave detector；4th, recorder；5th, hammer carrier；6th, swing rod；7th, locating rack；
8th, increased stroke-adjustable gas cylinder；9th, locating slot；10th, the first magnetic block；11st, the second magnetic block；12nd, slide rail；13rd, sliding shoe；14th, lift
Motor；15th, elevating screw；16th, lightening grooves.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment：With reference to figure 2, a kind of stratum velocity of wave test device, including recorder 4, wave detector 3, detection plate 2 and excite
Hammer 1.Hammer 1 is wherein excited to be used to hammer the generation signal of detection plate 2, wave detector 3 receives the signal that vibration source transmits, by amplifying, by
Recorder 4 records wave mode result.
Exciting the attachment structure of hammer 1, this excites hammer 1 is overall to be supported by hammer carrier 5, pendulum is rotatably connected on hammer carrier 5 with reference to figure 3
Bar 6, swing rod 6 are provided with slide rail 12, are slid on slide rail 12 and be connected with sliding shoe 13, and the hammer handle that sliding shoe 13 hammers 1 into shape with exciting is connected,
The upper end of swing rod 6 is fixedly connected with lifting motor 14, and the output shaft of lifting motor 14 is connected with elevating screw 15, elevating screw 15
It is driven and coordinates with sliding shoe 13；Elevating screw 15 is slided up and down by rotating linkage sliding shoe 13, realizes the hammering for exciting hammer 1
Highly adjust.
With reference to figure 3 and Fig. 4, be rotatably connected to locating rack 7 on hammer carrier 5, locating rack 7 is frame structure, locating rack 7 it is main
Effect is：Excite and a height specified is provided when being put after hammering 1 into shape.The both sides of locating rack 7 are rotatably connected to increased stroke-adjustable gas cylinder
8, cylinder body and the hammer carrier 5 of increased stroke-adjustable gas cylinder 8 are rotatablely connected.When the piston rod of increased stroke-adjustable gas cylinder 8 progressively stretches out, then position
Frame 7 is progressively rotated up, otherwise locating rack 7 progressively rotates down.It is fixed in order to mitigate the pressure of increased stroke-adjustable gas cylinder 8, such as Fig. 5
Position frame 7 is provided with some lightening grooves 16, and the overall weight of locating rack 7 is alleviated with this.
With reference to figure 4, locating rack 7 is provided with locating slot 9, while is provided with the first magnetic block 10 in locating slot 9, with reference to Fig. 5, pendulum
Bar 6 is provided with the second magnetic block 11 towards the side of locating rack 7.Operating personnel's operation is excited on hammer 1 when putting, and can pass through locating slot 9
Positioning, and make it that the operation of operating personnel is more laborsaving using magnetic force.
Operating procedure：1st, hammer carrier 5, detection plate 2, wave detector 3 and recorder 4 are placed to suitable position to be measured；2nd, lead to
Increased stroke-adjustable gas cylinder 8 is crossed to adjust the locating rack 7 on hammer carrier 5 to specified altitude assignment；3rd, swing rod 6 is pulled so that excite the hammer handle of hammer 1
Contradict to locating slot 9；4th, the step of before repeating, records multi-group data.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (8)
1. a kind of stratum velocity of wave test device, including excitation system, receiving system and signal processing system, it is characterized in that：
The excitation system includes and the detection plate (2) of ground fitting, close detection plate (2) and the hammer carrier separated with detection plate (2)
(5), be rotatably connected to swing rod (6) on hammer carrier (5), swing rod (6) be provided be used to hammering detection plate (2) excite hammer (1), it is described
Hammer carrier (5) is provided with the locating rack (7) for exciting hammer (1) to position.
2. velocity of wave test device in stratum according to claim 1, it is characterized in that：The locating rack (7) rotates with hammer carrier (5)
Connect, adjustable travel expansion part, adjustable travel expansion part one end and positioning away from hammer carrier (5) are rotatably connected on hammer carrier (5)
Frame (7) is rotatablely connected.
3. velocity of wave test device in stratum according to claim 2, it is characterized in that：The locating rack (7) is frame structure, fixed
Position frame (7) is provided with the locating slot (9) for swing rod (6) positioning.
4. velocity of wave test device in stratum according to claim 3, it is characterized in that：The first magnetic is provided with the locating slot (9)
Property block (10), swing rod (6) are provided with the second magnetic block (11) towards the side of locating slot (9).
5. velocity of wave test device in stratum according to claim 4, it is characterized in that：The hammer handle and swing rod for exciting hammer (1)
(6) it is slidably connected, swing rod (6), which is provided with, is used for the lift adjustment component that regulation excites hammer (1) height.
6. velocity of wave test device in stratum according to claim 5, it is characterized in that：The swing rod (6) is provided with slide rail (12),
The hammer handle of hammer (1) is excited to be provided with the sliding shoe (13) being slidably connected with slide rail (12), lift adjustment component includes lifting motor
(14), linked with the elevating screw (15) of the output axis connection of lifting motor (14), sliding shoe (13) by elevating screw (15).
7. velocity of wave test device in stratum according to claim 6, it is characterized in that：The locating rack (7) is provided with some subtract
Baking soda (16).
8. velocity of wave test device in stratum according to claim 2, it is characterized in that：The adjustable travel expansion part is adjustable row
Stroke cylinder (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720588874.2U CN206740707U (en) | 2017-05-24 | 2017-05-24 | Stratum velocity of wave test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720588874.2U CN206740707U (en) | 2017-05-24 | 2017-05-24 | Stratum velocity of wave test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206740707U true CN206740707U (en) | 2017-12-12 |
Family
ID=60567895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720588874.2U Expired - Fee Related CN206740707U (en) | 2017-05-24 | 2017-05-24 | Stratum velocity of wave test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206740707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116972954A (en) * | 2023-09-25 | 2023-10-31 | 山东省地震工程研究院 | Rock-soil wave velocity measurement method and device based on in-situ excitation |
-
2017
- 2017-05-24 CN CN201720588874.2U patent/CN206740707U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116972954A (en) * | 2023-09-25 | 2023-10-31 | 山东省地震工程研究院 | Rock-soil wave velocity measurement method and device based on in-situ excitation |
| CN116972954B (en) * | 2023-09-25 | 2023-12-19 | 山东省地震工程研究院 | Rock-soil wave velocity measurement method and device based on in-situ excitation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 |