CN201302567Y - Displacement probe adjusting device of early-age concrete shrinkage performance determinator - Google Patents
Displacement probe adjusting device of early-age concrete shrinkage performance determinator Download PDFInfo
- Publication number
- CN201302567Y CN201302567Y CNU2008201682421U CN200820168242U CN201302567Y CN 201302567 Y CN201302567 Y CN 201302567Y CN U2008201682421 U CNU2008201682421 U CN U2008201682421U CN 200820168242 U CN200820168242 U CN 200820168242U CN 201302567 Y CN201302567 Y CN 201302567Y
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- screw rod
- mount pad
- probe
- portal trestle
- screw
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Abstract
The utility model provides a displacement probe adjusting device of an early-age concrete shrinkage performance determinator, which comprises a displacement probe mounting seat (7); the displacement probe mounting seat is installed on a bracket platform through a lead rail (10) mechanism parallel to two side walls of a portal trestle (1); an adjusting mechanism that leads the mounting seat to move along the lead rail is arranged between the probe mounting seat and the portal trestle, wherein, at least one end of the lead rail mechanism is not blocked; and a device (4) that avoids slipping from the lead rail mechanism is arranged between the displacement probe mounting seat and the portal trestle or between the displacement probe mounting seat as well as a structure connected with the mounting seat and the portal trestle. Compared with the prior art, the volume and the weight of the displacement probe mounting seat after being separated or the structure connected with the mounting seat are less than that of the whole probe adjusting device, and the transportation and the storage are convenient, so that a displacement probe needs not to be disassembled for storage, the mounting position of the displacement probe relative to the portal trestle can be determined through carefully adjusting the probe mounting seat only when being installed for the first time, and the displacement probe is enabled not only to be disassembled but also to be simply and safely operated.
Description
Technical field
The utility model relates to a kind of concrete shrinkage analyzer displacement probe regulating device in length of time morning, concrete early the length of time shrinkage analyzer be measure a kind of unconfined condition under concrete early the length of time shrinkage test unit, in the genus physics with the technical field of non-contacting sensor measuring distance.Described displacement is the deformation displacement of the relative concrete component in measured point but not the displacement on the relative ground of measured object.
Background technology
To shrink distortion along with the process of solidifying and wear out behind the concrete casting.Particularly early the length of time, shrinkage was to estimate the important technology index of concrete splitting resistance to the concrete shrinkage performance in 3 days, and this performance detection prevents that to concrete works concrete component from producing the crack and having practical significance.Since in 3 days early-age concrete do not solidify fully as yet and its drawdown deformation amount very small, shrink displacement if adopt the Mechanical Contact mode directly to measure it, the effect of the power that Mechanical Contact produces during measurement may make measured body be subjected to displacement and influence measurement result.In order accurately to measure concrete shrinkage in length of time morning, " research of concrete contraction in length of time morning test electric vortex method " (" building materials journal " 2006 96 phases of volume) have proposed to measure under a kind of unconfined condition the method for concrete shrinkage in length of time morning, the i.e. contactless concrete of current vortex shrinkage method of testing in length of time morning.Produced on this basis concrete early the length of time shrinkage electric vortex method analyzer, the displacement transducer of this analyzer is made of probe and drive unit thereof and target.
For the relative position that solves between probe that original analyzer mounting structure makes displacement transducer (being the displacement probe) and the target is regulated difficulty, thereby have influence on the technical matters of the accuracy of measurement result, the applicant has designed and has been suitable for the analyzer of use now, mainly is to have redesigned the wherein regulating device of displacement probe.The formation of the regulating device of said newly-designed displacement probe is: the portal trestle that the die trial of striding across top is arranged, one probe mount pad is arranged on the portal trestle, said portal trestle is the grooved member with shape xsect, comprise platform and the two side of extending downwards, width between the inboard, portal trestle two side is greater than the width between the outside, die trial two side, the height of portal trestle two side is less than the height of die trial, screw is respectively arranged on the portal trestle two side, the inside screw of head is arranged on the screw, and said displacement probe mount pad is on rack platform; Said displacement probe mount pad is to be installed on the rack platform with the guide rail mechanism parallel with the two side, and between mount pad and the support governor motion that mount pad is moved along guide rail is arranged.
Though but above-mentioned displacement probe regulating device has solved and originally die trial has been moved the deficiency that the probe measured to the testing table and target are determined the mutual alignment inconvenience, but still there is a problem, exactly because displacement probe is an accurate device, its inside is the radio-frequency coil of one group of precision, be impacted, shake and cause displacement, be out of shape or come off because of the outside of popping one's head in and this radio-frequency coil is as easy as rolling off a log, and then cause influencing measuring accuracy or suffer damage, therefore analyzer being moved to on-the-spot keeping when using and not using just needs special careful.And owing to the volume of displacement probe regulating device is greatly also made by steel material usually, weight is bigger, simultaneously every analyzer has 6 cover displacement transducers, and every displacement probe links by 3 to 4 meters long cables and instrument host again, makes and moves difficulty, to deposit area occupied big.
Will be much easier if displacement probe is separated its regulating device then moved and deposit, but because displacement probe is screw rod or the flange arrangement that an end is connected with stube cable, and the installation site of displacement probe on regulating device, promptly the probe length of stretching out regulating device has the requirement of certain limit, so need careful adjustment when installing at every turn, also be careful and avoid displacement probe to be collided, installation and removal need take a long time like this.
In a word, above-mentioned concrete early the length of time shrinkage analyzer displacement probe regulating device and displacement probe annexation caused the inconvenience using and take care of.
Summary of the invention
At above-mentioned deficiency, the utility model be exactly to provide a kind of can with the concrete that conveniently shirks between displacement probe and the regulating device early the length of time shrinkage analyzer displacement probe regulating device, preservation be can dismantle to reach displacement probe, simple, purpose of safety regulated again.
The concrete shrinkage analyzer displacement probe regulating device in length of time morning that the utility model provides, the portal trestle that the die trial of striding across top is arranged, one displacement probe mount pad is arranged on the portal trestle, said displacement probe mount pad is to be installed on the platform of portal trestle with the guide rail mechanism parallel with the portal trestle two side, and between probe mount pad and the portal trestle governor motion that mount pad is moved along guide rail is arranged, said governor motion is a screw rod that is connected with the displacement probe mount pad, internal threaded mechanisms with threaded engagement on the screw rod, make the governor motion erecting frame of making axial location between driving mechanism in relative rotation and definite driving mechanism and the portal trestle between screw rod and the internal threaded mechanisms, wherein the guide rail mechanism that is connected between displacement probe mount pad and the portal trestle is at least at one end unobstructed, and between displacement probe mount pad or displacement probe mount pad and its structure that is connected and the portal trestle device that prevents from the guide rail mechanism slippage is arranged.
The concrete shrinkage analyzer displacement probe regulating device in length of time morning that the utility model provides, displacement probe mount pad and portal trestle that displacement probe will be installed in use are assembled on the portal trestle through guide rail, couple together the assembling of just finishing both between mount pad or pop one's head in mount pad and its structure that is connected and the portal trestle with preventing from will pop one's head in from the device of guide rail slippage again.Assembling promptly becomes the displacement probe regulating device that has displacement probe after finishing and can be installed on the die trial and use.After finishing using, remove prevent from the device of guide rail slippage to the probe mount pad or with its structure that is connected and portal trestle between be connected, both separation can be taken care of and transported.
Compared with prior art, on volume, weight, all be less than whole probe regulating device owing to the displacement probe mount pad after shirking or with its structure that is connected, be convenient to transport and take care of, and make displacement probe needn't dismantle preservation, and displacement probe only need be done careful adjustment to the probe mount pad with respect to the installation site of portal trestle and get final product when installing first, realized that displacement probe can dismantle preservation, simple to operate again, purpose of safety.
Described prevent from the form of the device of guide rail slippage and probe mount pad or probe mount pad and its structure that is connected and and portal trestle between installation concern there are three kinds at least, be respectively:
One, the said screw rod that is connected with the probe mount pad is to be made of the polished rod of leading portion and the threaded rod of back segment, on the said and screw rod internal threaded mechanisms of threaded engagement and make screw rod and thread mechanism between to make in relative rotation driving mechanism be one to be engaged in the nut on the screw rod back segment, the governor motion erecting frame of axial location is rotationally connected with screw rod work axle between said definite driving mechanism and the portal trestle, respectively outside the nut front and back end, be fixed on the screw rod erecting frame on the base plate that is connected with the mount pad of popping one's head in, and screw rod is connected with the probe mount pad through base plate with its erecting frame, on portal trestle, be fixed with a screw rod fastening block in addition, saidly prevent that from the device of guide rail slippage be screw rod mounting hole on this screw rod fastening block, point to the screw of screw rod mounting hole and the screw on the screw on the fastening block.To have screw rod erecting frame that the probe mount pad and the base plate thereof of probe connected, screw rod, nut during installation is installed on the portal trestle and makes the leading portion of screw rod insert screw rod mounting hole on the screw rod fastening block through guide rail mechanism, tighten the screw installation, unscrew screw during dismounting, will have the probe mount pad of probe and the structure that is connected and break away from portal trestle through guide rail mechanism.
They are two years old, the said screw rod that is connected with the probe mount pad is to be made of the polished rod of leading portion and the threaded rod of back segment, and be fixed on the mount pad with its polished rod between screw rod and the probe mount pad and be connected, on the said and screw rod internal threaded mechanisms of threaded engagement and make screw rod and thread mechanism between to make in relative rotation driving mechanism be one to be engaged in the nut on the screw rod back segment, the governor motion erecting frame of axial location is rotationally connected with screw rod work axle between said definite driving mechanism and the portal trestle, respectively outside the nut front and back end, be fixed on the screw rod erecting frame on the portal trestle, said preventing from the device of guide rail slippage is that the probe mount pad points to the screw of screw rod mounting hole and the screw on the screw.The probe mount pad that will have probe during installation is installed on the portal trestle and makes the leading portion of screw rod insert screw rod mounting hole on the probe mount pad through guide rail mechanism, tighten the screw installation, unscrew screw during dismounting, the probe mount pad that will have probe breaks away from portal trestle through guide rail mechanism.
They are three years old, said its leading portion of screw rod that is connected with the probe mount pad is a threaded rod, do between screw rod and the thread mechanism in relative rotation that driving mechanism is the knob that is fixed on this screw rod back segment and make, with the internal threaded mechanisms of threaded engagement on the screw rod is on the probe mount pad internal thread that screw rod is used to be installed, the governor motion erecting frame of axial location is rotationally connected with screw rod work axle between said definite driving mechanism and the portal trestle, be fixed on the screw rod erecting frame on the portal trestle, said screw rod and probe between the mount pad syndeton and prevent from the device of guide rail slippage it is the internal thread of external thread and probe mount pad on the screw rod.The probe mount pad that will have probe during installation is installed on the portal trestle and makes the leading portion of screw rod screw in screw installation on the probe mount pad through guide rail mechanism, withdraw from screw rod the screw during dismounting from the probe mount pad, the probe mount pad that will have probe breaks away from portal trestle through guide rail mechanism.
Description of drawings
Fig. 1 is the structural drawing of the utility model one embodiment, among the figure: the 1-portal trestle, the 2-setting nut, 3-screw rod fastening block, 4-screw, the 5-screw rod, the 6-displacement probe is installed screw, 7-displacement probe mount pad, 8-probe positions lock screw, fixed screw between 9-portal and the die trial, the 10-guide rail;
Fig. 2 is the attached view of Fig. 1, among the figure: 1-portal trestle, 2-setting nut, 3-screw rod fastening block, the 4-screw, 5-screw rod, 7-displacement probe mount pad, 8-probe positions lock screw, fixed screw between 9-portal and the die trial, 10-guide rail, 11-spring, 12-probe mount pad base plate, 13-screw rod erecting frame;
Fig. 3 is the structural drawing of another embodiment of the utility model, among the figure: 1-portal trestle, 2-setting nut, 4-screw, the 5-screw rod, the 6-displacement probe is installed screw, 8-probe positions lock screw, fixed screw between 9-portal and the die trial, 14-displacement probe mount pad, 15-guide rail;
Fig. 4 is the attached view of Fig. 3, among the figure: 1-portal trestle, 2-setting nut, 4-screw, the 5-screw rod, 8-probe positions lock screw, the fixed screw between 9-portal and the die trial, 11-spring, 14-displacement probe mount pad, 15-guide rail, 16-screw rod erecting frame.
Embodiment
1, as shown in Figure 1, 2, portal trestle 1 is arranged, constitute, respectively have two on the two side in order to portal trestle be fixed to the fixed screw 9 in the die trial, have on the platform the elongated T type guide rail 10 that is parallel to sidewall by platform and two side.On platform forward position (side that target is pointed in the back is installed), screw rod fastening block 3 is arranged, the screw rod mounting hole that is parallel to guide rail is arranged on this fastening block, and vertical above this hole and the screw that communicates with this hole.Probe mount pad 7 is arranged, and the probe mount pad has base plate 12, and the T type groove that cooperates with T type guide rail on the platform is arranged under the base plate.The probe mount pad has the probe parallel with T type groove that screw 6 is installed in the forward position of this base plate on the probe mount pad.Also have two screw rod erecting frames 13 on the base plate, have the hole of screw rod 5 back segments on these two screw rod erecting frames to be installed on the base plate, between two screw rod erecting frames, partly screw thread is arranged on the screw rod, be combined with setting nut 2 on the screw thread.The screw rod leading portion is a polished rod, and the axis of screw rod mounting hole coincides on screw axis and the screw rod fastening block when groove on the base plate matches with the platform upper rail.During installation, screw rod leading portion overcoat upper spring 11, probe mount pad and regulating device are slipped into screw front end simultaneously with the base tub front end from back to front to the platform upper rail insert mounting hole on the screw rod fastening block, with screw 4 screw rod and fastening block are fixed after putting in place, be the distance between scalable probe and the target, regulate and put in place with will the pop one's head in stationkeeping of mount pad and platform of probe positions lock screw 8.
2, as described in Fig. 3,4, portal trestle 1 is arranged, constitute, respectively have two on the two side in order to portal trestle be fixed to the fixed screw 9 in the die trial, have on the platform T type guide rail 15 that is parallel to sidewall by platform and two side.Probe mount pad 14 is arranged, and it has the T type groove that cooperates with T type guide rail on the platform down, has the probe parallel with T type groove that screw 6 and screw rod mounting hole are installed on the probe mount pad.Two screw rod erecting frames 16 are arranged on the platform, have the hole of screw rod 5 back segments on these two screw rod erecting frames to be installed on the platform, between two screw rod erecting frames, partly screw thread is arranged on the screw rod, be combined with setting nut 2 on the screw thread.The screw rod leading portion is a polished rod, and the axis of screw rod mounting hole coincides on screw axis and the probe mount pad when groove matches with the platform upper rail on the probe mount pad.During installation, screw rod leading portion overcoat upper spring 11, the mount pad of will popping one's head in slips into simultaneously with the groove rear end to the platform upper rail from front to back, and screw front end inserts the screw rod mounting hole, with screw 4 screw rod and probe mount pad are fixed after putting in place, be the distance between scalable probe and the target, regulate and put in place with will the pop one's head in stationkeeping of mount pad and platform of probe positions lock screw 8.
3, portal trestle is arranged, constitute, respectively have two on the two side in order to portal trestle be fixed to the fixed screw in the die trial, have on the platform T type guide rail that is parallel to sidewall by platform and two side.The probe mount pad is arranged, and it has the T type groove that cooperates with T type guide rail on the platform down, has the probe parallel with T type groove that screw and screw rod installation screw are installed on the probe mount pad.A screw rod erecting frame is arranged on the platform, have the screw rod back segment to be installed in the stepped hole of step on this screw rod erecting frame and do not have axial displacement on the platform, spiro rod rear end has handwheel.The axis of screw rod mounting hole coincides on screw axis and the probe mount pad when groove matches with the platform upper rail on the probe mount pad.During installation, the mount pad of will popping one's head in slips into simultaneously with the groove rear end to the platform upper rail from front to back, and screw front end screws in screw rod installation screw, and can be rotated further screw rod and regulate distance between probe and the target, regulate and put in place with will the pop one's head in stationkeeping of mount pad and platform of probe positions lock screw.
Claims (4)
1, a kind of concrete shrinkage analyzer displacement probe regulating device in length of time morning, the portal trestle that the die trial of striding across top is arranged, one displacement probe mount pad is arranged on the portal trestle, said displacement probe mount pad is to be installed on the platform of portal trestle with the guide rail mechanism parallel with the portal trestle two side, and between probe mount pad and the portal trestle governor motion that mount pad is moved along guide rail is arranged, said governor motion is a screw rod that is connected with the displacement probe mount pad, internal threaded mechanisms with threaded engagement on the screw rod, make the governor motion erecting frame of making axial location between driving mechanism in relative rotation and definite driving mechanism and the portal trestle between screw rod and the internal threaded mechanisms, it is characterized in that the guide rail mechanism that is connected between displacement probe mount pad and the portal trestle is at least at one end unobstructed, and between displacement probe mount pad or displacement probe mount pad and its structure that is connected and the portal trestle device that prevents from the guide rail mechanism slippage is arranged.
2, concrete shrinkage analyzer displacement probe regulating device in length of time morning as claimed in claim 1, it is characterized in that said preventing from the form of the device of guide rail slippage and probe mount pad or probe mount pad and its structure that is connected with installation relation between the portal trestle is: the said screw rod that is connected with the mount pad of popping one's head in is to be made of the polished rod of leading portion and the threaded rod of back segment, on the said and screw rod internal threaded mechanisms of threaded engagement and make screw rod and thread mechanism between to make in relative rotation driving mechanism be one to be engaged in the nut on the screw rod back segment, the governor motion erecting frame of axial location is rotationally connected with screw rod work axle between said definite driving mechanism and the portal trestle, respectively outside the nut front and back end, be fixed on the screw rod erecting frame on the base plate that is connected with the mount pad of popping one's head in, and screw rod is connected with the probe mount pad through base plate with its erecting frame, on portal trestle, be fixed with a screw rod fastening block in addition, saidly prevent that from the device of guide rail slippage be screw rod mounting hole on this screw rod fastening block, point to the screw of screw rod mounting hole and the screw on the screw on the fastening block.
3, concrete shrinkage analyzer displacement probe regulating device in length of time morning as claimed in claim 1, it is characterized in that said preventing from the form of the device of guide rail slippage and probe mount pad or probe mount pad and its structure that is connected with installation relation between the portal trestle is: the said screw rod that is connected with the mount pad of popping one's head in is to be made of the polished rod of leading portion and the threaded rod of back segment, and be fixed on the mount pad with its polished rod between screw rod and the probe mount pad and be connected, on the said and screw rod internal threaded mechanisms of threaded engagement and make screw rod and thread mechanism between to make in relative rotation driving mechanism be one to be engaged in the nut on the screw rod back segment, the governor motion erecting frame of axial location is rotationally connected with screw rod work axle between said definite driving mechanism and the portal trestle, respectively outside the nut front and back end, be fixed on the screw rod erecting frame on the portal trestle, said preventing from the device of guide rail slippage is that the probe mount pad points to the screw of screw rod mounting hole and the screw on the screw.
4, concrete shrinkage analyzer displacement probe regulating device in length of time morning as claimed in claim 1, it is characterized in that said preventing from the form of the device of guide rail slippage and probe mount pad or probe mount pad and its structure that is connected with installation relation between the portal trestle is: said its leading portion of screw rod that is connected with the mount pad of popping one's head in is a threaded rod, do between screw rod and the thread mechanism in relative rotation that driving mechanism is the knob that is fixed on this screw rod back segment and make, with the internal threaded mechanisms of threaded engagement on the screw rod is on the probe mount pad internal thread that screw rod is used to be installed, the governor motion erecting frame of axial location is rotationally connected with screw rod work axle between said definite driving mechanism and the portal trestle, be fixed on the screw rod erecting frame on the portal trestle, said screw rod and probe between the mount pad syndeton and prevent from the device of guide rail slippage it is the internal thread of external thread and probe mount pad on the screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201682421U CN201302567Y (en) | 2008-11-18 | 2008-11-18 | Displacement probe adjusting device of early-age concrete shrinkage performance determinator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201682421U CN201302567Y (en) | 2008-11-18 | 2008-11-18 | Displacement probe adjusting device of early-age concrete shrinkage performance determinator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201302567Y true CN201302567Y (en) | 2009-09-02 |
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ID=41086194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201682421U Expired - Lifetime CN201302567Y (en) | 2008-11-18 | 2008-11-18 | Displacement probe adjusting device of early-age concrete shrinkage performance determinator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201302567Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104597365A (en) * | 2014-12-15 | 2015-05-06 | 黄山市中显微电子有限公司 | Power pen for detecting performance of liquid crystal display product |
| CN106289153A (en) * | 2016-08-02 | 2017-01-04 | 季伟 | Concrete early age shrinkage characteristic test device and using method |
-
2008
- 2008-11-18 CN CNU2008201682421U patent/CN201302567Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104597365A (en) * | 2014-12-15 | 2015-05-06 | 黄山市中显微电子有限公司 | Power pen for detecting performance of liquid crystal display product |
| CN106289153A (en) * | 2016-08-02 | 2017-01-04 | 季伟 | Concrete early age shrinkage characteristic test device and using method |
| CN106289153B (en) * | 2016-08-02 | 2019-07-12 | 季伟 | Concrete early age shrinkage characteristic test device and application method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090902 |
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| CX01 | Expiry of patent term |