CN214066810U

CN214066810U - Horizontal mortar penetrometer calibrating device

Info

Publication number: CN214066810U
Application number: CN202022072269.4U
Authority: CN
Inventors: 尚廷东
Original assignee: Henan Niupa Institute of Mechanical Engineering
Current assignee: Henan Niupa Institute of Mechanical Engineering
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-08-27
Anticipated expiration: 2030-09-21

Abstract

The utility model relates to a horizontal mortar injection appearance calibrating installation, including the device frame, be provided with the supporting seat on the device frame, be provided with the injection appearance casing location structure that is used for corresponding mortar injection appearance level to place on the supporting seat, the device frame on in one side of supporting seat is provided with the thrust that is used for the top to support the injection pole work end of mortar injection appearance and keeps out the dynamometer, still is provided with on the device frame and is used for driving the supporting seat to keep out the dynamometer relatively and add uninstallation mechanism with the thrust that moves dorsad on the horizontal direction, keeps out the side force mechanism and has the force sensor who is used for measuring the injection force, still is provided with the displacement measurement device who is used for measuring relative displacement between injection pole and the injection appearance casing on the device frame. The utility model provides a can reduce the device height, can avoid mortar injection appearance weight to influence the horizontal mortar injection appearance calibrating installation of examination accuracy simultaneously.

Description

Horizontal mortar penetrometer calibrating device

Technical Field

The utility model relates to a horizontal mortar injection appearance calibrating installation among calibration verification equipment.

Background

The mortar injection instrument is an instrument for detecting the compressive strength of masonry mortar by adopting an injection method, and the structure of the mortar injection instrument is shown in figure 1: including penetrating appearance casing 6, the direction removes in penetrating appearance casing 6 and is equipped with penetration rod 5, is provided with work spring 4 between penetration rod 5 and the penetrating appearance casing, is provided with trigger 9 and couple 10 on the penetrating appearance casing, and the one end of penetrating appearance casing is provided with flat head 8. The basic working process is as follows: one end of the injection rod is pre-tensioned to compress the working spring, after the working spring is compressed in place, the hook 10 pushes against the trigger 9 to keep the compression state of the working spring, the section 12 of the flat head 8 pushes against the surface of the mortar to be measured, the trigger 9 is pulled to release the spring, the measuring nail 7 is driven to be injected into the mortar through elasticity, and the compression strength of the mortar is determined according to the injection depth of the measuring nail. Item 1 in the figure represents the pre-pull end of the penetrating rod; item 2 represents the hand-held handle of the penetrometer; item 3 represents a spring seat; item 11 represents the penetrating rod end face; item 12 represents the end face of the spade head 8.

In various masonry projects, the reliability of field detection of the compressive strength of mortar is critically dependent on the accuracy of the penetration force of a mortar penetrometer, so the importance of calibration of the penetrometer is increasingly emphasized. According to the regulation in the calibration standard of the mortar injection instrument, the theoretical force value of the mortar injection instrument when the deformation of a working spring is 20mm is 800N. Chinese patent CN204027952U discloses a "mortar injection instrument calibrating device", which includes a frame, a support seat vertically disposed on the frame along the vertical direction is equipped with a guiding movement, a force-resisting and measuring mechanism and a thrust-adding and unloading mechanism are respectively provided above and below the support seat on the frame, the output end of the thrust-adding and unloading mechanism acts on the support seat, the support end of the support seat and the stop end of the force-resisting and measuring mechanism are respectively used for contacting and matching with the injection instrument shell and the injection rod, a displacement sensor for measuring the relative displacement between the injection rod and the injection instrument shell is further provided on the frame, and the laser for measuring the resistance has a force sensor for measuring the injection force.

During the use, will treat the mortar injection appearance vertical arrangement of appraisal on the supporting seat, thrust adds the uninstallation mechanism drive supporting seat and removes, and under the effect of keeping out the dynamometer and keeping out the penetration rod, relative displacement takes place between injection appearance casing and the penetration rod, and displacement sensor takes notes this displacement, when reacing the calibration displacement, comes to calibrate working spring through force sensor's logarithm. The existing calibrating device for the mortar penetrometer has the following problems: the mortar injection appearance needs vertical the placing to examine and determine, lead to whole calibrating installation highly higher, can't use in some highly restricted workplaces, of course, more importantly, because the vertical placing of mortar injection appearance, consequently work spring and mortar injection appearance's casing also vertical the placing, the vertical work spring of placing or the weight of injection appearance casing self can be used on force sensor and influence force sensor's reading, and then influence examination accuracy.

Disclosure of Invention

An object of the utility model is to provide a can reduce the device height, can avoid mortar injection appearance weight to influence the horizontal mortar injection appearance calibrating installation of examination accuracy simultaneously.

In order to solve the technical problem, the technical scheme of the utility model as follows:

the utility model provides a horizontal mortar penetrometer calibrating installation, includes the device frame, is provided with the supporting seat on the device frame, is provided with the penetrometer casing location structure that is used for corresponding mortar penetrometer level to place on the supporting seat, the device frame in one side of supporting seat is provided with the thrust that is used for propping against the penetrometer work end of mortar penetrometer and supports the dynamometer, still is provided with the thrust loading and unloading mechanism that is used for driving the supporting seat to support the dynamometer relatively and removes with the dorsad in the horizontal direction, supports and blocks the side power mechanism and has the force sensor that is used for measuring the penetrating power, still is provided with the displacement measurement device that is used for measuring the relative displacement between penetrometer casing and the penetrometer casing on the device frame.

The displacement measuring device and the resisting force measuring mechanism are arranged on the left side and the right side of the supporting seat.

The penetrometer shell positioning structure comprises a front position positioning structure and a rear position positioning structure, the front position positioning structure and the rear position positioning structure comprise positioning bases, and positioning base upper ends are provided with positioning grooves which extend along the left and right directions and are used for supporting the matching with the cylindrical sections of the penetrometer shell.

The penetrometer shell positioning structure further comprises a left position positioning structure and a right position positioning structure, a front guide rod and a rear guide rod are arranged on the device frame, the guide direction of the front guide rod and the guide direction of the rear guide rod extend along the left direction and the right direction, and the front guide rod and the rear guide rod are arranged at intervals. The supporting seat guide movement is assembled on the front guide rod and the rear guide rod, the supporting seat comprises a left side guide sleeve group and a right side guide sleeve group, the positioning base is arranged at the bottom of the left side guide sleeve group and the right side guide sleeve group, the left side abutting surface and the right side abutting surface are arranged on the left side guide sleeve group in a rightward mode and are provided with the right side abutting surface facing the left side on the right side guide sleeve group, the left side abutting surface and the right side abutting surface are used for abutting against the two ends of the penetration instrument shell, and the thrust loading and unloading mechanism can realize the relative movement and the back movement of the supporting seat in the horizontal direction through driving the supporting seat to move horizontally.

The supporting seat is provided with a supporting seat transmission thread, the device frame is provided with a transmission screw rod matched with the supporting seat transmission thread, and the thrust loading and unloading mechanism drives the supporting seat to horizontally move by driving the transmission screw rod to rotate.

The displacement measuring device comprises a measuring device seat which is assembled on the front guide rod and the rear guide rod in a guiding and moving mode, a device seat transmission thread matched with the transmission screw rod is arranged on the measuring device seat, the displacement measuring device comprises a displacement sensor which is arranged on the measuring device seat and used for abutting against the corresponding injection rod, and the displacement sensor and the abutting force measuring mechanism are arranged on two opposite sides of the injection rod.

The utility model has the advantages that: when the mortar penetrometer is used, the mortar penetrometer to be verified is horizontally arranged in the penetrometer shell positioning structure, the penetrometer shell of the mortar penetrometer is positioned by the penetrometer shell positioning structure, the thrust loading and unloading mechanism drives the penetrometer shell and the injection rod to move in the horizontal direction, the movement is the compression amount of a working spring of the mortar penetrometer, the displacement measuring device measures the displacement, when the corresponding displacement is reached, the working spring is verified through the reading of the force sensor, and because the mortar penetrometer is horizontally arranged integrally, the weight of components on the mortar penetrometer cannot be applied to the force sensor to influence the reading of the force value, so that the problem that the verification accuracy is influenced due to the weight of the mortar penetrometer is solved; the horizontal structure also reduces the overall height of the device, and is suitable for being used in working occasions with limited height.

Drawings

FIG. 1 is a schematic structural diagram of the background art of the present invention;

fig. 2 is a state diagram of the use of an embodiment of the present invention;

FIG. 3 is a schematic view of the device of FIG. 2 with the device housing removed;

fig. 4 is a perspective view of fig. 3.

Detailed Description

The utility model discloses the embodiment of well horizontal mortar penetrometer calibrating installation is shown in fig. 2~ 4: the device frame comprises a device frame 6 and a device protective shell 1 arranged on the outer side of the device frame, wherein a front guide rod 9 and a rear guide rod 10 are arranged on the device frame, the guide directions of the front guide rod 9 and the rear guide rod extend along the left-right direction, and the front guide rod 9 is arranged on the front side of the rear guide rod in the horizontal direction at intervals. The guide movement is equipped with supporting seat 17 and displacement measurement device 18 on preceding guide bar 9 and the back guide bar 10, still be fixed with the fender force-measuring mechanism that is used for propping against the injection pole work end of mortar injection appearance on preceding guide bar and the back guide bar, the left and right sides of supporting seat is arranged respectively in to displacement measurement device and fender measuring mechanism, it includes ejector pin 14 and the force sensor 15 of establishing ties in the ejector pin right-hand member to keep off the side force mechanism, the left end of ejector pin 14 is used for propping against the cooperation with the right-hand member of injection pole.

Be provided with on the supporting seat and be used for corresponding mortar injection appearance level to place's injection appearance casing location structure, injection appearance casing location structure includes front and back position location structure and left and right sides position location structure, front and back position location structure is including location base 4, location base upper end be equipped with along left right direction extend be used for with injection appearance casing's cylindricality section support complex constant head tank 1, the constant head tank is the V-arrangement constant head tank, the central line of V-arrangement constant head tank is in keep off the positive downside of dynamometer, like this when treating the mortar injection appearance of calibration and place the back on the constant head tank, the injection pole of mortar injection appearance just in time is corresponding with the ejector pin 14 that keeps off dynamometer. The supporting seat comprises a left side guide sleeve group 11 and a right side guide sleeve group 12, the positioning base is arranged at the bottom of the left side guide sleeve group 11 and the right side guide sleeve group 12, the left side abutting surface 2 facing to the right and the right side abutting surface 13 facing to the left are arranged on the left side guide sleeve group, and the left side abutting surface and the right side abutting surface are used for abutting against the two ends of the penetrometer shell. The supporting seat is provided with a supporting seat transmission thread, the device frame is provided with a transmission screw rod 8 matched with the supporting seat transmission thread, the thrust loading and unloading mechanism comprises a driving motor 7, and the driving motor drives the transmission screw rod 8 to rotate so as to drive the supporting seat 17 to move horizontally, so that the supporting seat can relatively resist the relative movement and the back movement of the force measuring mechanism.

The displacement measuring device comprises a measuring device seat 11 assembled on the front guide rod and the rear guide rod in a guiding and moving mode, a device seat transmission thread matched with the transmission screw rod is arranged on the measuring device seat, the displacement measuring device comprises a displacement sensor 5 arranged on the measuring device seat and used for abutting against the corresponding injection rod, and the displacement sensor and the abutting force measuring mechanism are arranged on two opposite sides of the injection rod.

The utility model provides a mortar injection appearance calibrating installation's use does, 3 levels of mortar injection appearance that will treat the examination are placed on supporting seat 17, position around the mortar injection appearance through the constant head tank location, through left side top face, right side top face top is supported the left and right sides both ends of mortar injection appearance and is fixed a position the front and back position of the injection appearance casing of mortar injection appearance, displacement measurement device's displacement sensor top is supported in the injection pole left end of mortar injection appearance, the work spring of mortar injection appearance is in free state this moment, no relative displacement produces between injection pole and the injection appearance casing, displacement sensor's reading is measurement zero point. Then under the drive of the thrust loading and unloading mechanism, the displacement measuring device and the penetrometer shell integrally move rightwards synchronously, the penetrometer rod of the mortar penetrometer is supported by the force measuring mechanism and cannot move rightwards, the penetrometer shell and the penetrometer rod generate relative displacement at the moment, the penetrometer rod compresses the working spring, the displacement is measured by the displacement sensor, and when the mortar penetrometer shell reaches the specified displacement, the working spring is calibrated through the reading of the force measuring sensor. In other embodiments of the utility model, the positioning structure of the penetrometer shell can also be a hoop or other structures capable of positioning the penetrometer shell; the driving motor can be replaced by other thrust loading and unloading mechanisms which can drive the penetrometer shell to horizontally move, such as a hydraulic cylinder, a pneumatic cylinder, an electric push rod and the like; the supporting seat for fixing the penetrometer shell can also be fixed, and the thrust loading and unloading mechanism can drive the penetrometer to move so as to realize the relative movement between the penetrometer shell and the penetrometer shell.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a horizontal mortar penetrometer calibrating installation which characterized in that: the device frame is provided with a supporting seat, the supporting seat is provided with an injection instrument shell positioning structure used for horizontally placing a corresponding mortar injection instrument, one side of the supporting seat on the device frame is provided with a force resisting and measuring mechanism used for resisting the working end of an injection rod of the mortar injection instrument, the device frame is further provided with a thrust loading and unloading mechanism used for driving the supporting seat to relatively resist and move the force measuring mechanism in the horizontal direction and move towards the back, the force resisting and measuring mechanism is provided with a force sensor used for measuring the injection force, and the device frame is further provided with a displacement measuring device used for measuring the relative displacement between the injection rod and the injection instrument shell.

2. The horizontal mortar penetrometer calibrating device according to claim 1, wherein: the displacement measuring device and the resisting force measuring mechanism are arranged on the left side and the right side of the supporting seat.

3. The horizontal mortar penetrometer calibrating device according to claim 1, wherein: the penetrometer shell positioning structure comprises a front position positioning structure and a rear position positioning structure, the front position positioning structure and the rear position positioning structure comprise positioning bases, and positioning base upper ends are provided with positioning grooves which extend along the left and right directions and are used for supporting the matching with the cylindrical sections of the penetrometer shell.

4. The horizontal mortar penetrometer calibrating device according to claim 3, wherein: the penetrometer shell positioning structure further comprises a left position positioning structure and a right position positioning structure, a front guide rod and a rear guide rod are arranged on the device frame, the guide direction of the front guide rod and the guide direction of the rear guide rod extend along the left direction and the right direction, and the front guide rod and the rear guide rod are arranged at intervals.

5. The horizontal mortar penetrometer calibrating device according to claim 4, wherein: the supporting seat guide movement is assembled on the front guide rod and the rear guide rod, the supporting seat comprises a left side guide sleeve group and a right side guide sleeve group, the positioning base is arranged at the bottom of the left side guide sleeve group and the right side guide sleeve group, the left side abutting surface and the right side abutting surface are arranged on the left side guide sleeve group in a rightward mode and are provided with the right side abutting surface facing the left side on the right side guide sleeve group, the left side abutting surface and the right side abutting surface are used for abutting against the two ends of the penetration instrument shell, and the thrust loading and unloading mechanism can realize the relative movement and the back movement of the supporting seat in the horizontal direction through driving the supporting seat to move horizontally.

6. The horizontal mortar penetrometer calibrating device according to claim 4, wherein: the supporting seat is provided with a supporting seat transmission thread, the device frame is provided with a transmission screw rod matched with the supporting seat transmission thread, and the thrust loading and unloading mechanism drives the supporting seat to horizontally move by driving the transmission screw rod to rotate.

7. The horizontal mortar penetrometer calibrating device according to claim 6, wherein: the displacement measuring device comprises a measuring device seat which is assembled on the front guide rod and the rear guide rod in a guiding and moving mode, a device seat transmission thread matched with the transmission screw rod is arranged on the measuring device seat, the displacement measuring device comprises a displacement sensor which is arranged on the measuring device seat and used for abutting against the corresponding injection rod, and the displacement sensor and the abutting force measuring mechanism are arranged on two opposite sides of the injection rod.