CN207163885U - A kind of borehole wall strengthening agent bond test evaluation instrument - Google Patents
A kind of borehole wall strengthening agent bond test evaluation instrument Download PDFInfo
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- CN207163885U CN207163885U CN201721095075.8U CN201721095075U CN207163885U CN 207163885 U CN207163885 U CN 207163885U CN 201721095075 U CN201721095075 U CN 201721095075U CN 207163885 U CN207163885 U CN 207163885U
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Abstract
The utility model provides a kind of borehole wall strengthening agent bond test evaluation instrument, belongs to fractured rock cementing agent bonding force test evaluation field.The device includes carrying tank, combination function formula mounting system and tension system；The carrying tank includes the hemizygous tank of the cylinder-like structure of two equal lengths, one end of each hemizygous tank is to pull position, two hemizygous tanks pull position by connection ring two hemizygous tanks are connected it is integral, carrying can end is respectively connected with the other end of two hemizygous tanks, two hemizygous tanks, carrying can end, connection ring are coaxially set；The combination function formula mounting system includes base, travel(l)ing rest and fixed support, and the travel(l)ing rest and fixed support are separately positioned on the both ends of base, and the travel(l)ing rest can move along base, close to or away from fixed support；The carrying tank both ends are individually positioned on travel(l)ing rest and fixed support.
Description
Technical field
The utility model belongs to fractured rock cementing agent bonding force test evaluation field, and in particular to a kind of borehole wall strengthening agent
Bond test evaluation instrument, for evaluating viscoplasticity cementing material to broken formation or the bonding reinforcement performance of rock.
Background technology
On the test device and evaluation method of the cementing effect of fractured rock, due to cementing material bonding force to be related to
Measure, it is necessary to research and develop corresponding test evaluation utensil.In industrial practice, rigidity is cementing and plasticity is cementing has bigger difference,
The former cementing strength and the hardness of cement are directly related, therefore can be obtained by determining the hardness of cement on cementing
The data of intensity, or the cement hardness information by a disguised form obtaining ask for cementing strength；The latter is then in elastoplasticity shape
The resistant to breakage ability of cement is evaluated under state.It has been reported that relevant patent document be roughly divided into two classes：(1) chemical synthesis class is glued
Connect thing such as glue, the measure of special bonding agent adhesive strength, the more representative patent of this respect have 1. a kind of glue glue
Relay test device (CN201620533563.1), 2. a kind of tubular propellant and the admittedly gluing relay test fixture of medicine
(CN201410338578.8) a kind of, the 3. cementing strength test device (CN201220739725.9) of milky white adhesive；(2) coagulation
Great soil group consolidates the strength detection of thing and the body that thes cement solidifies, and the more representative patent of this respect has 1. Combined type cement ring
Cementing strength test device (CN201520664065.6), 2. a kind of cementing strength testing device for well cementation
(CN201511001755.4) the cementing concrete cementing strength tester that, 3. a kind of simulated ground stress acts on
(CN205955722U) 4. cement the well interface cementing strength test device and method (CN105403505A), 5. cementing concrete is cementing strong
Spend test device (CN201120055888.0).Test evaluation device involved by this two classes patent is mostly by determining interface
The change of frictional force either obtains cementing strength value by the cement compression strength that converts, and measuring principle and evaluation method are uncomfortable
Close the strength detection of the elastoplasticity cement involved by the utility model patent.
In nature, the shape and surface adhesion species of fractured rock are more complicated, and existence condition is widely different (such as
Temperature, humidity, formation fluid species etc.), this cause the solid process of the bonding of rock type fragment and glue and other materials difference compared with
Greatly, rock type fragment bonding strength data can not objectively and accurately be obtained using existing test evaluation device, it is necessary to develop
It can be used for the special purpose device of elastoplasticity cement strength test evaluation.
Elastoplasticity borehole wall cementing agent is a kind of stratum consolidation material of novel concept, and the solid feature of its glue is with being suitable for hard friability
Layer such as igneous rock, limestone, metamorphic rock hardness is high, broken under external force, or the broken ground of height of intrinsic fracture development
Layer.Because elastoplasticity bonding agent is to the reinforcing mode of broken formation and traditional rigid material such as cement class, quasi-plastic property coating agent
The reinforcing stationary mode of such as pitch is completely different, and the evaluation to consolidation effect brings many difficulties, such as lacks and be suitable for bullet
The solid effect measuring device of plasticity cementing material glue, without elastoplasticity bond effect evaluation index etc..
Utility model content
The purpose of this utility model is solve problem present in above-mentioned prior art, there is provided a kind of borehole wall strengthening agent glue
Power test evaluation instrument is tied, elastoplasticity cementing agent and the mechanics effect that may have after fractured rock effect is taken into full account, is adapted to
In experimental evaluation of the flexible cementing material to the solid effect of fractured rock glue, objective appraisal viscoplasticity cementing agent can be compared to rock
The bonding effect of stone class block.
The utility model is achieved through the following technical solutions：
A kind of borehole wall strengthening agent bond test evaluation instrument, including carrying tank, combination function formula mounting system and pulling force system
System；
The carrying tank includes the hemizygous tank of the cylinder-like structure of two equal lengths, and one end of each hemizygous tank is to draw
De- position, two hemizygous tanks pull position by connection ring two hemizygous tanks are connected it is integral, it is hemizygous at two
The other end of tank is respectively connected with carrying can end, and two hemizygous tanks, carrying can end, connection ring are coaxially set；
The combination function formula mounting system includes base, travel(l)ing rest and fixed support, the travel(l)ing rest and fixation
Support is separately positioned on the both ends of base, and the travel(l)ing rest can move along base, close to or away from fixed support；It is described
Carrying tank both ends are individually positioned on travel(l)ing rest and fixed support；
The tension system includes hydraulic jack, two position three way directional control valve, hydraulic pump, motor servomechanism installation, hydraulic oil oil
Case；The motor servomechanism installation is connected with hydraulic pump, and hydraulic pump is connected with two position three way directional control valve, the two-position three way transposition valve
It is connected respectively with hydraulic oil tank, hydraulic jack again；Piston is provided with the hydraulic jack, the piston rod being connected with piston
External part is connected with the travel(l)ing rest.
Inner convex platform is provided with the middle part of the inwall of the connection ring, the internal diameter of the inner convex platform is less than the internal diameter of carrying tank；
Two hemizygous tanks are located at the both sides of the inner convex platform respectively；
The both ends for pulling position and being inserted respectively into connection ring of two hemizygous tanks, withstand inner convex platform, the inner convex platform from both sides
Position-limiting action is played to two hemizygous tanks.
The steel plate of protrusion is equipped with the travel(l)ing rest and fixed support, semicircle is machined with respectively on two blocks of steel plates
Shape earhole, two semicircle earholes are centrally located on same horizontal line；
The diameter of the semicircle earhole is bigger 2~3mm than the external diameter for carrying tank；
Frame is distinguished in two semicircle earholes in the both ends of the carrying tank, carries the both ends and two carrying tank ends of tank
Lid is respectively positioned at travel(l)ing rest, support bracket fastened outside.
Slide rail is provided with the base, chute is provided with slide rail；
Sliding block is connected with the bottom of the travel(l)ing rest, the sliding block is located in the chute of slide rail.
Limiter is provided with the base, it is located at the outside of the travel(l)ing rest.
The carrying can end is connected by screw thread with carrying tank；
Tension spring is connected with the inside of the carrying can end, one end of the tension spring is fixedly connected on end cap
Inner side, the other end is in the inner chamber of carrying tank.
The borehole wall strengthening agent bond test evaluation instrument further comprises sensing and data handling system；
The sensing includes tensiometer and sensor unit and data record and processing terminal with data handling system；It is described
Tensiometer and sensor unit are connected with motor servomechanism installation, hydraulic jack, data record and the processing terminal respectively.
The borehole wall strengthening agent bond test evaluation instrument further comprises that cement carries tank clamping device, and it includes folder
Hold base, support and jackscrew；
One support is installed respectively at the both ends of the Holding seat, is mounted on jackscrew on each support, two
Individual jackscrew is located in same horizontal line；
Semicircle long recess is provided with the Holding seat, the bottom of the carrying tank can be placed at semicircle length
In groove.
Tank is carried in order to facilitate lifting, carrying handle is equipped with the outside of each hemizygous tank.
Compared with prior art, the beneficial effects of the utility model are：
(1) quantitative test evaluation can be carried out to non-rigid consolidation effect；
(2) can qualitative evaluation cementing material Viscoelastic effect, to broken formation transitional consolidation techniques provide reference；
(3) present apparatus is simple in construction, easy to operate, and test result has preferable physical object simulating characteristic；
(4) present apparatus has filled up the blank of elastoplasticity cementation effect evaluation, can be that related scientific research and research and development of products carry
For instructing.
Brief description of the drawings
The structural representation of Fig. 1 the utility model borehole wall strengthening agent bond test evaluation instrument
Cement carrying tank clamping device in Fig. 2 the utility model borehole wall strengthening agent bond test evaluation instrument
The partial structural diagram of end cap in Fig. 3 the utility model borehole wall strengthening agent bond test evaluation instrument
The end-view of connection ring in Fig. 4 the utility model borehole wall strengthening agent bond test evaluation instrument
The side view of connection ring in Fig. 5 the utility model borehole wall strengthening agent bond test evaluation instrument
The 1# cement resistant to breakage aptitude tests results that Fig. 6 is obtained using the utility model
The 2# cement resistant to breakage aptitude tests results that Fig. 7 is obtained using the utility model
The 3# cement resistant to breakage aptitude tests results that Fig. 8 is obtained using the utility model.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As Figure 1-Figure 5, the utility model relates generally to a kind of elastoplasticity strong adherence material to fractured rock bonding
The test device of power, the device mainly include two parts：1. cement carries tank clamping device；2. bond tensile strength test
Device.
It is specific as follows：
(1) as shown in Fig. 2 cement carries tank clamping device mainly by Holding seat 203, support 201,202 groups of jackscrew
Into, a support 201 is installed respectively at the both ends of Holding seat 203, is mounted on jackscrew 202 on each support, two
Individual jackscrew 202 is located in same horizontal line.Semicircle long recess is provided with the Holding seat 203, its effect is to hold
Carry tank 1 and be loaded into tested cement, into the operating process of temperature control box heating cure, be allowed to from the reinforcing of carrying tank both ends
Slippage will not be produced pulling position, in order to avoid influence test effect.
In use, the carrying tank 1 for being loaded into evaluation cement to be tested is placed in the semi-circular recesses of Holding seat 203,
Jackscrew 202 on the side stand 201 of turn two, the position that pulls for making to be placed in the carrying tank on clamping device are in impaction state.Will
The clamping device of fixed carrying tank is inserted in temperature control box, the constant temperature under design temperature, is taken out after reaching the defined time, after cooling
It is standby.
The carrying tank includes the hemizygous tank of the cylinder-like structure of two equal lengths, and one end of each hemizygous tank is to draw
De- position, is connected as one the position that pulls of two hemizygous tanks by connection ring 2, two hemizygous tanks, connection ring coaxial line are set
Put.The inner convex platform 401 of 5mm width is provided with the middle part of the inwall of the connection ring, position-limiting action is played to two hemizygous tanks.Two
The other end of individual hemizygous tank has carrying can end 7 by screwed connection.During work, two hemizygous tanks 1 are being pulled into position
Connected as one with connection ring 2, any end cap for selecting one side is dismantled, and is injected cement to be tested, is covered end cap and tighten.
Clamped using cement carrying tank clamping device, into temperature control box heating cure.
Tension spring 301 is connected with the inner side of the carrying can end 7, one end of the spring 301 is fixedly connected on end
The inner side of lid 7, the other end are immersed in cement, hot setting the latter two be integrally formed.The main function of the device is：Increase
The attachment force of cement and two end cap, is avoided in test process, and under a stretching force, the cement in tank is certainly for " carrying tank " tank body
Pulled at end cap.In the event of such case, two hemizygous tanks would not pull position certainly and pull open during test, but from end cap
Place pulls, and influences the accuracy of test.
(2) as shown in figure 1, bond tensile strength test device：The device is mainly by combination function formula mounting system, drawing
Force system and sensing form with data handling system three parts.
The combination function formula mounting system includes base 4, travel(l)ing rest 5 and fixed support 6, and both are separately positioned on bottom
The both ends of seat 4, slide rail 3 is provided with base 4, chute is provided with slide rail 3, sliding block is connected with the bottom of travel(l)ing rest 5, should
Sliding block is located in the chute of slide rail, and travel(l)ing rest 5 can move along slide rail during work, close to or away from fixed support 6.Institute
The outside for stating travel(l)ing rest is provided with limiter 15,
The steel plate of protrusion is equipped with travel(l)ing rest 5 and fixed support 6, semicircle ear is machined with respectively in two blocks of steel plates
Hole, the diameter of the semicircle earhole are bigger 2~3mm than the external diameter for carrying tank 1, during experiment, the both ends difference frame of the carrying tank
In two semicircle earholes, the both ends and carrying can end that carry tank are located at travel(l)ing rest 5, the outside of fixed support 6.
The tension system include hydraulic jack 10, two position three way directional control valve 11, hydraulic pump 12, motor servomechanism installation 13,
Hydraulic oil tank 16；The motor servomechanism installation 13 is connected with hydraulic pump 12, and hydraulic pump 12 connects with two position three way directional control valve 11
Connect, the two-position three way transposition valve 11 is connected with hydraulic oil tank 16, hydraulic jack respectively；It is provided with the hydraulic jack 10
Piston, the external part for the piston rod 9 being connected with piston are connected with the travel(l)ing rest 5；
The sensing includes tensiometer and sensor unit 8 and data record and processing terminal 14 with data handling system；
The tensiometer and sensor unit 8 connect with motor servomechanism installation 13, hydraulic jack 10, data record and processing terminal 14 respectively
Connect.
Operating procedure is as follows：1. will be placed in without the vacant carrying tank for filling out cement on support 5 and 6, hydraulic pump 12 is manipulated,
The output of hydraulic pump 12 is connected by two position three way directional control valve 11 with hydraulic jack 10, is adjusted travel(l)ing rest 5 by hydraulic pump, is made
The distance of travel(l)ing rest 5 and fixed support 6 meets carrying tank installation requirement；2. operated motor servomechanism installation 13, by tensiometer and
Sensor unit 8 returns to zero；3. the carrying tank equipped with cement is placed on travel(l)ing rest 5 and fixed support 6, travel(l)ing rest is finely tuned
5 elasticities for contacting the end cap of carrying tank 1 and support are in proper states, and (travel(l)ing rest 5 moves to left in slide rail 3, works as activity
When support 5 and the distance between fixed support 6 equal with the distance of " carrying tank " two end cap, end cap inner end just starts and positioned at branch
Semicircle earhole contact outside on frame, thus acts power, the active force be converted to electric signal be transferred to pulling force metering and
Sensor unit 8, after being handled via data record and processing terminal 14, control motor servomechanism installation 13 is acted or stopped, and is realized
The regulation of elasticity between end cap and support)；4. two position three way directional control valve 11 is converted into " drawing " position, operated motor servomechanism installation
13 movement travel(l)ing rests 5, carrying tank 1 are in extended state；5. tensiometer and sensor unit 8 simultaneously transmit signal and data
To motor servomechanism installation 13 and data record and processing terminal 14, when pulling force reaches highest and the relatively flat of 2~5s occurs in curve
During the straight phase, the data record is the resistant to breakage value of cement；6. continuing to stretch, when curve substantially glides, it can be considered as and test
Journey terminates；7. in view of the friction effect for pulling position of carrying tank 1, (such as pull position when because of certain reason and physics occurs
Situations such as deformation, cement thoroughly solidify) cause carrying tank 1 can not to limit pulling force when pulling position disengagement and reach 10MPa
When, tensiometer and sensor unit 8 control two position three way directional control valve 11 to connect fuel tank, and pipeline releasing pressure automatically ensures safety；8. limit
The outset that position device 15 is used to limit travel(l)ing rest 5 is from when the distance for causing travel(l)ing rest 5 and fixed support 6 because of operational error
After setting, limiter 15 can be touched, now two position three way directional control valve 11 connects hydraulic oil tank 16, loine pressure
Pressure release, the stopping of travel(l)ing rest 5 action.In order to facilitate using tank is carried, carrying handle 17 is provided with the outside of carrying tank.
The test evaluation result three kinds of strengthening agents carried out using the utility model as Figure 6-Figure 8, wherein, Fig. 8 is
The tensile strength change curve of 1# cements, the average crushing strength for the cement that the embodiment is related to is 10.5kPa, figure
7 be the tensile strength change curve of 2# cements, and the average crushing strength for the cement that the embodiment is related to is 15kPa,
Fig. 8 is the tensile strength change curve of 3# cements, and the average crushing strength for the cement that the embodiment is related to is 9kPa.
It can be evaluated after elastic-plastic material glue is adhered and connect using the utility model, cement tensile capacity, quantitative assessment
Elastoplasticity adhesive bond resistant to breakage ability, qualitative evaluation elastoplasticity adhesive bond zone of fracture self-healing ability.The present apparatus uses hydraulic system
Accurate control position, test data have very high continuity, and empirical curve is used directly for the broken side of assay cement
Formula and shattering process.Device volume is small, compact-sized, and automaticity is high, easy to operate, is appropriate for property agglutination material
The experimental evaluation and analysis of material.
The resistance to fracture ability of present apparatus Simulation cement directly by the way of tension variations are determined, is being simulated
While cement resistance to fracture data, moreover it is possible to which the solid effect of rigid glue of qualitative examination elastoplasticity cementing material, is objective evaluation bullet
Reinforcing and stabilizing power of the plasticity cementing material to stratum provide clear and definite measured data, to new shaft wall stabilizer
Research and development and technical parameter evaluation have good directive significance, have to promote in terms of the research and discovery of well-bore stability technology and answer
Use prospect.
Above-mentioned technical proposal is a kind of embodiment of the present utility model, for those skilled in the art,
On the basis of the utility model discloses principle, it is easy to make various types of improvement or deformation, be not limited solely to this reality
With the structure described by new above-mentioned specific embodiment, thus it is previously described simply preferable, and it is not restrictive
Meaning.
Claims (9)
- A kind of 1. borehole wall strengthening agent bond test evaluation instrument, it is characterised in that：The borehole wall strengthening agent bond test evaluation Instrument includes carrying tank, combination function formula mounting system and tension system；The carrying tank includes the hemizygous tank of the cylinder-like structure of two equal lengths, and one end of each hemizygous tank is to pull portion Position, two hemizygous tanks pull position by connection ring two hemizygous tanks are connected it is integral, in two hemizygous tanks The other end is respectively connected with carrying can end, and two hemizygous tanks, carrying can end, connection ring are coaxially set；The combination function formula mounting system includes base, travel(l)ing rest and fixed support, the travel(l)ing rest and fixed support The both ends of base are separately positioned on, the travel(l)ing rest can move along base, close to or away from fixed support；The carrying Tank both ends are individually positioned on travel(l)ing rest and fixed support；The tension system includes hydraulic jack, two position three way directional control valve, hydraulic pump, motor servomechanism installation, hydraulic oil tank；Institute State motor servomechanism installation to be connected with hydraulic pump, hydraulic pump is connected with two position three way directional control valve, and the two-position three way transposition valve divides again It is not connected with hydraulic oil tank, hydraulic jack；Piston, the stretching for the piston rod being connected with piston are provided with the hydraulic jack End is connected with the travel(l)ing rest.
- 2. borehole wall strengthening agent bond test evaluation instrument according to claim 1, it is characterised in that：In the connection ring Inner convex platform is provided with the middle part of inwall, the internal diameter of the inner convex platform is less than the internal diameter of carrying tank；Two hemizygous tanks are located at the both sides of the inner convex platform respectively；The both ends for pulling position and being inserted respectively into connection ring of two hemizygous tanks, inner convex platform is withstood from both sides.
- 3. borehole wall strengthening agent bond test evaluation instrument according to claim 2, it is characterised in that：In the travel(l)ing rest With the steel plate that protrusion is equipped with fixed support, semicircle earhole, two semicircle earholes are machined with respectively on two blocks of steel plates It is centrally located on same horizontal line；The diameter of the semicircle earhole is bigger 2~3mm than the external diameter for carrying tank；Frame is distinguished in two semicircle earholes in the both ends of the carrying tank, and the both ends and two carrying can end for carrying tank are divided Wei Yu not travel(l)ing rest, support bracket fastened outside.
- 4. borehole wall strengthening agent bond test evaluation instrument according to claim 3, it is characterised in that：Set on the base There is slide rail, chute is provided with slide rail；Sliding block is connected with the bottom of the travel(l)ing rest, the sliding block is located in the chute of slide rail.
- 5. borehole wall strengthening agent bond test evaluation instrument according to claim 4, it is characterised in that：Set on the base Limited location device, it is located at the outside of the travel(l)ing rest.
- 6. borehole wall strengthening agent bond test evaluation instrument according to claim 5, it is characterised in that：The carrying can end It is connected by screw thread with carrying tank；Tension spring is connected with the inside of the carrying can end, one end of the tension spring is fixedly connected on the interior of end cap Side, the other end is in the inner chamber of carrying tank.
- 7. borehole wall strengthening agent bond test evaluation instrument according to claim 6, it is characterised in that：The borehole wall strengthening agent Bond test evaluation instrument further comprises sensing and data handling system；The sensing includes tensiometer and sensor unit and data record and processing terminal with data handling system；The pulling force Meter and sensor unit are connected with motor servomechanism installation, hydraulic jack, data record and the processing terminal respectively.
- 8. borehole wall strengthening agent bond test evaluation instrument according to claim 7, it is characterised in that：The borehole wall strengthening agent Bond test evaluation instrument further comprises that cement carries tank clamping device, and it includes Holding seat, support and jackscrew；One support is installed respectively at the both ends of the Holding seat, jackscrew, two tops are mounted on each support Silk is in same horizontal line；Semicircle long recess is provided with the Holding seat, the bottom of the carrying tank can be placed at the semicircle long recess In.
- 9. borehole wall strengthening agent bond test evaluation instrument according to any one of claims 1 to 8, it is characterised in that：Each The outside of hemizygous tank is equipped with carrying handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721095075.8U CN207163885U (en) | 2017-08-30 | 2017-08-30 | A kind of borehole wall strengthening agent bond test evaluation instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721095075.8U CN207163885U (en) | 2017-08-30 | 2017-08-30 | A kind of borehole wall strengthening agent bond test evaluation instrument |
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| CN207163885U true CN207163885U (en) | 2018-03-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982356A (en) * | 2018-07-26 | 2018-12-11 | 张家港康得新光电材料有限公司 | A kind of ply adhesion test suite |
| CN110736698A (en) * | 2018-07-19 | 2020-01-31 | 中国石油化工股份有限公司 | Cement bond testing device and method |
-
2017
- 2017-08-30 CN CN201721095075.8U patent/CN207163885U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736698A (en) * | 2018-07-19 | 2020-01-31 | 中国石油化工股份有限公司 | Cement bond testing device and method |
| CN108982356A (en) * | 2018-07-26 | 2018-12-11 | 张家港康得新光电材料有限公司 | A kind of ply adhesion test suite |
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