CN207619965U - A kind of soil pressure cell fixing device - Google Patents
A kind of soil pressure cell fixing device Download PDFInfo
- Publication number
- CN207619965U CN207619965U CN201721439457.8U CN201721439457U CN207619965U CN 207619965 U CN207619965 U CN 207619965U CN 201721439457 U CN201721439457 U CN 201721439457U CN 207619965 U CN207619965 U CN 207619965U
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- Prior art keywords
- pressure cell
- soil pressure
- mandril
- soil
- tested
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of soil pressure cell fixing devices, include for soil pressure cell to be held out against to the mandril on the tested soil body, be fixed on holding frame of the mandril one end for soil pressure cell to be clamped and the transiting rod in the mandril other end is arranged, sleeve is threaded between the mandril and transiting rod, the transiting rod is connect by universal joint with connecting rod.Soil pressure cell is clamped in holding frame by the utility model by holding frame, the holding frame for being clamped with soil pressure cell is being held out against on the tested soil body using mandril, mandril can be pushed to be moved towards soil pressure cell direction by turnbarrel simultaneously, finally soil pressure cell is held out against on the tested soil body, and connecting rod rotates under the action of universal joint, ensure that connecting rod is fixed on preliminary bracing bar-mat reinforcement at an arbitrary position, the setting that finally soil pressure cell is stablized is on the tested soil body, long-time soil pressure cell can be avoided to generate in this way and loosen tilt phenomenon, and then it ensure that the accuracy of test data.
Description
Technical field
The utility model belongs to subgrade engineering monitoring device technical field, and in particular to a kind of soil pressure cell fixing device.
Background technology
Soil pressure cell is a kind of equipment being commonly used in on-the-spot test resistance to shear of soil, is widely used in side slope, roadbed, base
The rock mass engineering fields such as hole.Itself development is gradually ripe, and most currently used is vibrating string type sensor, has sensitivity
The advantages that height, precision are high, stability is good, price is relatively cheap, is embedded in retaining wall, friction pile, earth embankment, building, side slope, road
In the soil bodys such as base, country rock, you can the long-term test of variation expansion to internal stress.It is consider to be tested the soil body in engineering practice more
The variation of lateral stress, so most of soil pressure cell is vertically arranged in the tested soil body.
The embedded of soil pressure cell requires stress surface well to be contacted with the soil body, and another face on the other side is relatively solid
It is fixed, it is not subjected to displacement.This requires soil pressure cells during embedded, and stationary plane will be bonded on the motionless body of Mr. Yu, to play
Firm effect.For the soil pressure cell being vertically arranged, often by pile body, preliminary bracing bar-mat reinforcement etc., kinetoplast does not carry out relatively
Installation, and need soil pressure cell fixing device that soil pressure cell is vertically fixed on the soil bodys such as retaining wall, country rock, but it is existing
Soil pressure cell fixing device fixed effect is poor, and over time, soil pressure cell is generated to loosen and be tilted, and leads to soil pressure cell not
It can be tightly attached on the tested soil body, ultimately cause test data inaccuracy, and existing soil pressure cell is complicated, installation is inconvenient.
Utility model content
The technical problem to be solved by the utility model is to the deficiencies in for the above-mentioned prior art, provide a kind of soil pressure
Power box fixing device.Soil pressure cell is clamped in holding frame by the soil pressure cell fixing device by holding frame, using mandril
The holding frame for being clamped with soil pressure cell is held out against on the tested soil body, while soil pressure cell surface can be acted on by turnbarrel
On thrust, and connecting rod rotates under the action of universal joint, ensures that connecting rod can fix preliminary bracing at an arbitrary position
On bar-mat reinforcement, finally soil pressure cell is stably fixed on the tested soil body, long-time soil pressure cell can be avoided to generate in this way
Tilt phenomenon is loosened, and then ensure that the accuracy of test data.
In order to solve the above technical problems, the technical solution adopted in the utility model is a kind of soil pressure cell fixing device,
It is characterized in that:Include for soil pressure cell to be held out against to the mandril on the tested soil body, is fixed on mandril one end for soil pressure to be clamped
The holding frame of power box and the transiting rod in the mandril other end is set, sleeve, institute are threaded between the mandril and transiting rod
Transiting rod is stated to connect with connecting rod by universal joint.
A kind of above-mentioned soil pressure cell fixing device, it is characterised in that:The holding frame includes being arranged on soil pressure cell surface
First support bar and second support bar, the first support bar connected with second support bar be in cross, it is described first support
The both ends of bar and the both ends of second support bar are both provided with the Fastener for blocking soil pressure cell side.
A kind of above-mentioned soil pressure cell fixing device, it is characterised in that:The Fastener is cylindrical structure, the Fastener
Height be less than soil pressure cell thickness.
A kind of above-mentioned soil pressure cell fixing device, it is characterised in that:The transiting rod is telescopic rod.
A kind of above-mentioned soil pressure cell fixing device, it is characterised in that:The mandril, transiting rod and connecting rod are steel
Part.
The utility model has the following advantages compared with prior art:
1. the utility model is fixed on preliminary bracing reinforcing bar by the way that soil pressure cell to be clamped in holding frame, then by connecting rod
On the net, the sleeve being rotatably mounted between mandril and transiting rod makes mandril be moved towards soil pressure cell direction, ensures soil pressure cell quilt
It being firmly fixed on the tested soil body, during turnbarrel, connecting rod acts on preliminary bracing bar-mat reinforcement lifting force, to
Fixed preliminary bracing bar-mat reinforcement is set, towards tested soil body direction reaction force, to ensure soil pressure cell by firm stable to connecting rod
It is tightly attached on the tested soil body.
2. the utility model connecting rod is connect by universal joint with transiting rod, such connecting rod can be with the initial stage of any position
Supporting bar-mat reinforcement connects, so as to ensure that it is tested that the soil pressure cell of any position on the tested soil body is firmly tightly attached to
On the soil body, the scope of application of entire soil pressure cell fixing device is expanded.
3. the utility model is by the first support bar and second support bar laid in cross, and for blocking soil pressure
Firmly soil pressure cell is clamped for the Fastener of power box, prevents from generating loosening now during the use of soil pressure cell long-time
As in addition soil pressure cell tilt phenomenon, ensured that soil pressure cell is tightly attached on the tested soil body for a long time in this way, it is final to improve test
The accuracy of data.
In conclusion soil pressure cell is clamped in holding frame by the utility model by holding frame, will be pressed from both sides using mandril
The holding frame for holding soil pressure cell is held out against on the tested soil body, while mandril can be acted on by turnbarrel towards soil pressure cell
Thrust, and connecting rod rotates under the action of universal joint, ensures that connecting rod is fixed on preliminary bracing bar-mat reinforcement at an arbitrary position,
The setting that finally soil pressure cell is stablized can avoid long-time soil pressure cell from generating loosening inclination existing in this way on the tested soil body
As, and then ensure that the accuracy of test data.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the installation relation schematic diagram of the utility model first support bar and second support bar and soil pressure cell.
Fig. 3 is the first usage state diagram of the utility model.
Fig. 4 is another usage state diagram of the utility model.
Reference sign:
1-tested the soil body;2-preliminary bracing bar-mat reinforcements;3-soil pressure cells;
4-holding frames;4-1-first support bar;4-2-second support bar;
4-3-Fastener;5-mandrils;6-transiting rods;
7-universal joints;8-connecting rods;9-sleeves.
Specific implementation mode
A kind of soil pressure cell fixing device as shown in Figure 1, Figure 2 and Figure 3, including be used to hold out against soil pressure cell 3 in quilt
Survey the soil body 1 on mandril 5, be fixed on 5 one end of mandril for be clamped soil pressure cell 3 holding frame 4 and be arranged in 5 other end of mandril
Transiting rod 6, be threaded with sleeve 9 between the mandril 5 and transiting rod 6, the transiting rod 6 by universal joint 7 with connect
Bar 8 connects.
When it is implemented, soil pressure cell 3 is clamped in holding frame 4, then connecting rod 8 is fixed on installation settings
On preliminary bracing bar-mat reinforcement 2, mandril 5 and holding frame 4 is driven to be moved towards 1 direction of the tested soil body by turnbarrel 9, it finally will be native
Pressure cell 3 is tightly attached on the tested soil body 1, wherein the both ends of sleeve 9 are threadedly coupled with mandril 5 and transiting rod 6, using mandril 5
The benefit for the sleeve 9 being threadedly coupled between transiting rod 6 is:Drive mandril 5 towards the direction of the tested soil body 1 1. being connected through a screw thread
It is mobile, to make soil pressure cell 3 be tightly attached on the tested soil body 1, the accuracy of 3 test data of soil pressure cell has been effectively ensured;2.
The distance that mandril 5 moves can be adjusted by the distance that sleeve 9 rotates, and then adjust mandril 5 and act on pushing away on the tested soil body 1
Power, in this way can be different according to the soil property of the tested soil body 1, adjust mandril 5 and act on the thrust on the tested soil body 1, prevent thrust mistake
It is big to cause the damage to soil pressure cell 3 or thrust too small and accurately and effectively be tested;3. the mistake of turnbarrel 9
Cheng Zhong, transiting rod 6 act on 2 lifting force of preliminary bracing bar-mat reinforcement, since preliminary bracing bar-mat reinforcement 2 has been fixedly mounted, then just
Phase supporting bar-mat reinforcement 2 generates reaction force of corresponding size to transiting rod 6, further ensures soil pressure cell 3 in this way and stablizes jail
Solid be tightly attached on the tested soil body 1, avoid over time, soil pressure cell 3 generate loosen tilt phenomenon, equally ensure that
The performance of soil pressure cell 3 and the accuracy of test data.
In the present embodiment, the transiting rod 6 is connect by universal joint 7 with connecting rod 8, as shown in Figure 3 and Figure 4, specific
When installation, the preliminary bracing bar-mat reinforcement 2 that is connect with connecting rod 8 is to be staggered to be assemblied to form by cross bar and montant, and preliminary bracing steel
When 2 dimensions difference of muscle net, the distance between adjacent two cross bars or adjacent two montants difference pass through 7 energy of universal joint
Connecting rod 8 is enough set to be rotated towards any direction, the purpose designed in this way is:If the position that soil pressure cell 3 is placed is just at phase
Between adjacent two cross bars or adjacent two montants, connecting rod 8 can be made to be fixed on by universal joint 7 most similar with connecting rod 8
On cross bar or on montant, the use scope of soil pressure cell fixing device is expanded in this way, improves applicability.
As depicted in figs. 1 and 2, in the present embodiment, the holding frame 4 includes first be arranged on 3 surface of soil pressure cell
It is in cross that supporting rod 4-1 and second support bar 4-2, the first support bar 4-1 are connected with second support bar 4-2, and described the
The both ends of one supporting rod 4-1 and the both ends of second support bar 4-2 are both provided with the Fastener 4- for blocking 3 side of soil pressure cell
3, usual soil pressure cell 3 is cylindrical structure, and the first support bar 4-1 laid in cross and second support bar 4-2 are arranged in soil
The surface of pressure cell 3, and the end of mandril 5 is fixed at the crossover location of first support bar 4-1 and second support bar 4-2, if
The side that four Fastener 4-3 in first support bar 4-1 and the ends second support bar 4-2 are fastened on soil pressure cell 3 is set, in this way
Tool is there are four bite on soil pressure cell 3, the clamping that four bites can stablize the soil pressure cell 3 of cylindrical structure, and
It is simple in structure, it is easily manufactured, and manufacturing cost is low.
In the present embodiment, the Fastener 4-3 is cylindrical structure, and the height of the Fastener 4-3 is less than soil pressure cell 3
Thickness, the thickness that the height of Fastener 4-3 is less than soil pressure cell 3 can avoid Fastener 4-3 jackings and is tested in the soil body 1, prevent
Influence of the holding frame 4 to test data.
In the present embodiment, the transiting rod 6 be telescopic rod, when initial stage Support Steel muscle net 2 at a distance from the tested soil body 1 compared with
Far, when connecting rod 8 cannot be extended on preliminary bracing bar-mat reinforcement 2, by stretching transiting rod 6, make connecting rod 8 close to preliminary bracing
Bar-mat reinforcement 2 is simultaneously fixed on preliminary bracing bar-mat reinforcement 2, when initial stage Support Steel muscle net 2 is closer at a distance from the tested soil body 1, connection
When bar 8 extends to preliminary bracing 2 outside of bar-mat reinforcement, by compress transiting rod 6, make connecting rod 8 close to preliminary bracing bar-mat reinforcement 2 simultaneously
It is fixed on preliminary bracing bar-mat reinforcement 2.
In the present embodiment, the mandril 5, transiting rod 6 and connecting rod 8 are steelwork, convenient material drawing, and manufacturing cost is low.
The use process of the utility model:
Soil pressure cell 3 is mounted in holding frame 4 first, then soil pressure cell 3 is placed on the tested soil body 1, connecting rod 8
It is welded on preliminary bracing bar-mat reinforcement 2;Then knob sleeve 9, sleeve 9 drive mandril 5 to be moved towards 1 direction of the tested soil body, to
Soil pressure cell 3 is tightly attached to 1 mountain of the tested soil body.
The above is only the preferred embodiment of the utility model, not imposed any restrictions to the utility model, every
Any simple modification, change and equivalent structure made by above example are changed according to the utility model technical spirit, still
Belong in the protection domain of technical solutions of the utility model.
Claims (4)
1. a kind of soil pressure cell fixing device, it is characterised in that:Including being used to hold out against soil pressure cell (3) in the tested soil body (1)
On mandril (5), be fixed on mandril (5) one end for be clamped soil pressure cell (3) holding frame (4) and setting mandril (5) separately
The transiting rod (6) of one end, is threaded with sleeve (9) between the mandril (5) and transiting rod (6), the transiting rod (6) passes through
Universal joint (7) is connect with connecting rod (8);The holding frame (4) includes the first support bar being arranged on soil pressure cell (3) surface
(4-1) and second support bar (4-2), the first support bar (4-1) and second support bar (4-2) connection are in cross, described
The both ends of first support bar (4-1) and the both ends of second support bar (4-2) are both provided with for blocking soil pressure cell (3) side
Fastener (4-3).
2. a kind of soil pressure cell fixing device according to claim 1, it is characterised in that:The Fastener (4-3) is circle
Column construction, the height of the Fastener (4-3) are less than the thickness of soil pressure cell (3).
3. a kind of soil pressure cell fixing device according to claim 1, it is characterised in that:The transiting rod (6) is flexible
Bar.
4. a kind of soil pressure cell fixing device according to claim 1, it is characterised in that:The mandril (5), transiting rod
(6) and connecting rod (8) is steelwork.
Priority Applications (1)
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CN201721439457.8U CN207619965U (en) | 2017-11-01 | 2017-11-01 | A kind of soil pressure cell fixing device |
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CN201721439457.8U CN207619965U (en) | 2017-11-01 | 2017-11-01 | A kind of soil pressure cell fixing device |
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Publication Number | Publication Date |
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CN207619965U true CN207619965U (en) | 2018-07-17 |
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CN201721439457.8U Expired - Fee Related CN207619965U (en) | 2017-11-01 | 2017-11-01 | A kind of soil pressure cell fixing device |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110016904A (en) * | 2019-05-29 | 2019-07-16 | 成都理工大学 | A kind of fixed device of protection for Rock And Soil pressure test pressure cell |
CN110106928A (en) * | 2019-05-22 | 2019-08-09 | 北京城建勘测设计研究院有限责任公司 | A kind of adjustable trestle set on pit mouth protective fence |
CN110185494A (en) * | 2019-06-05 | 2019-08-30 | 中铁隧道局集团有限公司 | A kind of method for embedding of the pressure cell applied to plenty water weak surrounding rock tunnel |
CN110579586A (en) * | 2019-10-16 | 2019-12-17 | 长安大学 | unsaturated soil water-gas two-phase flow migration experimental instrument and method under loading and unloading disturbance |
CN112523279A (en) * | 2021-01-08 | 2021-03-19 | 宿迁市高速铁路建设发展有限公司 | Auxiliary device for installing strain gauge in concrete |
-
2017
- 2017-11-01 CN CN201721439457.8U patent/CN207619965U/en not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110106928A (en) * | 2019-05-22 | 2019-08-09 | 北京城建勘测设计研究院有限责任公司 | A kind of adjustable trestle set on pit mouth protective fence |
CN110106928B (en) * | 2019-05-22 | 2023-11-24 | 北京城建勘测设计研究院有限责任公司 | Adjustable support arranged on shaft mouth guard rail |
CN110016904A (en) * | 2019-05-29 | 2019-07-16 | 成都理工大学 | A kind of fixed device of protection for Rock And Soil pressure test pressure cell |
CN110016904B (en) * | 2019-05-29 | 2023-11-28 | 成都理工大学 | Protection fixing device for rock-soil body pressure test pressure box |
CN110185494A (en) * | 2019-06-05 | 2019-08-30 | 中铁隧道局集团有限公司 | A kind of method for embedding of the pressure cell applied to plenty water weak surrounding rock tunnel |
CN110185494B (en) * | 2019-06-05 | 2020-12-25 | 中铁隧道局集团有限公司 | Embedding method of pressure box applied to water-rich weak surrounding rock tunnel |
CN110579586A (en) * | 2019-10-16 | 2019-12-17 | 长安大学 | unsaturated soil water-gas two-phase flow migration experimental instrument and method under loading and unloading disturbance |
CN112523279A (en) * | 2021-01-08 | 2021-03-19 | 宿迁市高速铁路建设发展有限公司 | Auxiliary device for installing strain gauge in concrete |
CN112523279B (en) * | 2021-01-08 | 2022-03-29 | 宿迁市高速铁路建设发展有限公司 | Auxiliary device for installing strain gauge in concrete |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180717 Termination date: 20201101 |
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CF01 | Termination of patent right due to non-payment of annual fee |