CN112525669A - Resiliometer with perpendicular auxiliary function - Google Patents
Resiliometer with perpendicular auxiliary function Download PDFInfo
- Publication number
- CN112525669A CN112525669A CN202110001157.6A CN202110001157A CN112525669A CN 112525669 A CN112525669 A CN 112525669A CN 202110001157 A CN202110001157 A CN 202110001157A CN 112525669 A CN112525669 A CN 112525669A
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- resiliometer
- supporting leg
- vertical
- sliding sleeve
- rack
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
- G01N3/52—Investigating hardness or rebound hardness by measuring extent of rebound of a striking body
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0076—Hardness, compressibility or resistance to crushing
- G01N2203/0083—Rebound strike or reflected energy
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- Life Sciences & Earth Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a resiliometer with a vertical auxiliary function, which comprises a resiliometer body, wherein a vertical auxiliary mechanism is arranged at the front end of the resiliometer body, the vertical auxiliary mechanism comprises at least three groups of supporting legs which are arranged in an annular array relative to the axis of the resiliometer body, the supporting leg is of an L-shaped structure, the supporting leg is rotatably mounted relative to the resiliometer body, the rotating axis of the supporting leg is positioned at the upper end of the supporting leg and is perpendicular to the axis of the resiliometer body, and all the supporting legs rotate synchronously, when the supporting legs rotate, the included angle between the vertical edge of the supporting legs and the vertical plane is 0-n, n is more than 0 degree and less than or equal to 15 degrees, and the vertical auxiliary mechanism is arranged at the front end of the resiliometer body, so that the axis of the resiliometer is perpendicular to the test surface when an impact hammer in the resiliometer is excited.
Description
Technical Field
The invention relates to the technical field of concrete testing instruments, in particular to a resiliometer with a vertical auxiliary function.
Background
When the concrete strength rebound value is measured, the axis of the resiliometer is required to be always perpendicular to the concrete detection surface, and the pressure is slowly applied, the reading is accurate, and the resetting is rapid. The operation process is rapid, the axis of the resiliometer can incline, the impact direction is not perpendicular to the test plane, and the test result is inaccurate.
Disclosure of Invention
The invention aims to overcome the technical problem in the prior art, and provides a resiliometer with a vertical auxiliary function.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a resiliometer with perpendicular auxiliary function, includes the resiliometer body, the front end of resiliometer body is provided with perpendicular complementary unit, perpendicular complementary unit is including being no less than three supporting legs of group, the supporting leg is the annular array about the axis of resiliometer body and arranges, the supporting leg is L shape structure, the supporting leg rotates the installation for the resiliometer body, the axis of rotation of supporting leg is in the upper end of supporting leg and the axis of perpendicular to resiliometer body, and all supporting legs rotate in step, and when the supporting leg rotates, the contained angle between the vertical limit of supporting leg and the vertical plane is 0-n, and 0 < n is less than or equal to 15, and when the vertical limit of supporting leg and vertical plane contained angle were in 0, the horizontal arm of supporting leg was perpendicular with the plane of awaiting measuring.
As a preferred technical scheme of the invention, the vertical auxiliary mechanism further comprises a sliding sleeve, the sliding sleeve and the resiliometer body are installed in a sliding manner along an axis, the sliding sleeve and the resiliometer body are provided with elastic members along a relative sliding direction, the upper end of the supporting leg is installed in a rotating manner with the sliding sleeve, a torsion spring is arranged at the rotating position of the supporting leg and the sliding sleeve to limit the supporting leg to rotate outwards continuously after the supporting leg rotates to the vertical direction of the vertical arm relative to the sliding sleeve, and when the vertical arm of the supporting leg rotates to the vertical state, an impact hammer in the resiliometer body is positioned at the front end of an excitation position to continuously extrude the resiliometer body, the elastic members are compressed, and;
through setting up the sliding sleeve structure, make the resiliometer body press the in-process, can carry out angular adjustment, until perpendicular to test plane, make the whole relative motion that takes place with the resiliometer body of perpendicular complementary unit afterwards to arouse the impact hammer simultaneously, thereby guarantee in the impact hammer working process, the axis of resiliometer body is perpendicular to test plane all the time.
As a preferred technical scheme of the invention, the vertical auxiliary mechanism further comprises a synchronous mechanism which enables a plurality of groups of supporting legs to synchronously rotate, the synchronous mechanism comprises a toothed ring and a rack, the toothed ring and the sliding sleeve are coaxially and rotatably installed, the back of the toothed ring is provided with a spiral thread, the rack is radially and slidably installed with the sliding sleeve along the sliding sleeve, the back of the rack is provided with a thread tooth meshed with the spiral thread of the toothed ring, and a gear meshed with the rack is coaxially and fixedly arranged at a rotating shaft of each supporting leg;
the supporting leg drives the rack and follows the endwise slip when rotating, and the multiunit rack meshes with the ring gear simultaneously, and it is the same to restrict multiunit rack displacement volume through the ring gear, guarantees that the turned angle of supporting leg is the same promptly.
As a preferred technical scheme of the invention, a motor for driving the gear ring to rotate is arranged outside the gear ring, and a pressure sensor is arranged at the end part of a horizontal arm of the supporting leg and is electrically connected with the motor;
the motor drives the gear ring to rotate, so that the supporting leg is driven to rotate, and the problem of reverse locking of the spiral threads is solved.
As a preferred technical scheme of the invention, the vertical auxiliary mechanism further comprises a synchronous mechanism which enables a plurality of groups of supporting legs to synchronously rotate, the synchronous mechanism comprises a toothed ring and a rack, the toothed ring and the sliding sleeve are coaxially and rotatably installed, the rack is installed with the sliding sleeve in a sliding manner along the radial direction of the sliding sleeve, a gear meshed with the rack is coaxially and fixedly arranged at a rotating shaft of each supporting leg, a lead screw is coaxially arranged at one end of the rack, a lead screw nut is installed outside the lead screw in a matched manner, a gear meshed with the toothed ring is coaxially and fixedly arranged outside the lead screw nut, and the lead screw nut and the sliding sleeve are rotatably installed;
the rack pushes the screw rod to move axially, so that the screw rod nut is driven to rotate, the toothed ring is driven to rotate and limited by the toothed ring, the consistency of the feeding degree of the rack is ensured, and the consistency of the rotating angle of the supporting leg is ensured.
As a preferable technical scheme of the invention, one end of the horizontal arm of the supporting leg, which is far away from the bending part, is rotatably provided with a roller, and the axis of the roller is vertical to the axis of the resiliometer body;
through setting up the gyro wheel, will support the sliding friction of leg and the face that awaits measuring to change rolling friction into, resistance when effectively reducing the extrusion.
As a preferred technical scheme of the invention, rollers are rotatably arranged at two ends of a horizontal arm of the supporting leg, the axis of each roller is perpendicular to the axis of the resiliometer body, and a pressure sensor is arranged at a rotating shaft of each roller;
whether the supporting leg contacts the test surface is judged by arranging the pressure sensor, when the pressure sensor far away from one end of the bending part detects pressure, the motor is started to drive the toothed ring to rotate and drive the supporting leg to swing, and when the pressure sensor of the bending part detects pressure, the motor stops acting.
Compared with the prior art, the invention has the beneficial effects that: this resiliometer with perpendicular auxiliary function is through setting up perpendicular complementary unit at the front end, guarantees that the resiliometer body can keep the state of perpendicular to test surface when extrudeing, and guarantees that inside impact hammer is when arousing, and the axis of resiliometer is perpendicular to test surface all the time, guarantees that the test result is accurate.
Drawings
FIG. 1 is a schematic view of the present invention in a non-operating state;
FIG. 2 is a schematic view of the working state of the present invention;
FIG. 3 is a schematic structural view of the vertical assist mechanism in a non-operating state of the present invention;
FIG. 4 is a front view of the vertical assist mechanism in the non-operating state of the present invention;
FIG. 5 is a schematic view of the vertical assist mechanism of the present invention in an operating state;
FIG. 6 is a front view of the vertical assist mechanism in the operating condition of the present invention;
FIG. 7 is a schematic view of the sliding sleeve of the present invention;
FIG. 8 is a schematic view of a support leg of the present invention;
FIG. 9 is a schematic view of a roller according to the present invention.
In the figure: 1 resiliometer body, 2 supporting legs, 3 sliding sleeves, 4 synchronizing mechanism, 401 rack, 402 toothed ring, 5 rollers, 6 elastic parts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a resiliometer with perpendicular auxiliary function, including resiliometer body 1, the front end of resiliometer body 1 is provided with perpendicular complementary unit, perpendicular complementary unit is including being no less than three supporting legs 2 of group, supporting leg 2 is the annular array about the axis of resiliometer body 1 and arranges, supporting leg 2 is L shape structure, supporting leg 2 rotates the installation for resiliometer body 1, the axis of rotation of supporting leg 2 is in the upper end of supporting leg 2 and the axis of perpendicular to resiliometer body 1, and all supporting legs 2 rotate in step, when supporting leg 2 rotates, the contained angle between the vertical limit of supporting leg 2 and the vertical plane is 0-n, 0 < n ≦ 15, when the vertical limit of supporting leg 2 and vertical plane contained angle are in 0, the horizontal arm of supporting leg 2 is perpendicular with the plane of awaiting measuring.
The vertical auxiliary mechanism further comprises a sliding sleeve 3, the sliding sleeve 3 and the resiliometer body 1 are installed in a sliding mode along the axis, elastic pieces 6 are arranged on the sliding sleeve 3 and the resiliometer body 1 in the relative sliding direction, the upper end of the supporting leg 2 is installed with the sliding sleeve 3 in a rotating mode, a torsion spring is arranged at the rotating position of the supporting leg 2 and the sliding sleeve 3, the supporting leg 2 is limited to rotate outwards continuously after rotating to the vertical arm of the vertical arm relative to the sliding sleeve 3, when the vertical arm of the supporting leg 2 rotates to the vertical state, an impact hammer in the resiliometer body 1 is located at the front end of an excitation position, the resiliometer body 1 continues to be extruded, the elastic pieces 6;
through setting up sliding sleeve 3 structure, make resiliometer body 1 press the in-process, can carry out angular adjustment, until perpendicular to test plane, make the whole relative motion that takes place with resiliometer body 1 of perpendicular complementary unit afterwards to arouse the impact hammer simultaneously, thereby guarantee in the impact hammer working process, the axis of resiliometer body 1 is perpendicular to test plane all the time.
The vertical auxiliary mechanism further comprises a synchronous mechanism 4 which enables the multiple groups of supporting legs 2 to synchronously rotate, the synchronous mechanism 4 comprises a toothed ring 402 and a rack 401, the toothed ring 402 and the sliding sleeve 3 are coaxially and rotatably installed, spiral threads are arranged on the back of the toothed ring 402, the rack 401 is slidably installed with the sliding sleeve 3 along the radial direction of the sliding sleeve 3, thread teeth meshed with the spiral threads of the toothed ring 402 are arranged on the back of the rack 401, and a gear meshed with the rack 401 is coaxially and fixedly arranged at a rotating shaft of each supporting leg 2;
when the supporting leg 2 rotates, the rack 401 is driven to slide along the axial direction, the multiple groups of racks 401 are meshed with the gear ring 402 at the same time, the displacement of the multiple groups of racks 401 is limited to be the same through the gear ring 402, and the rotating angle of the supporting leg 2 is guaranteed to be the same.
A motor for driving the gear ring 402 to rotate is arranged outside the gear ring, and a pressure sensor is arranged at the end part of the horizontal arm of the supporting leg 2 and electrically connected with the motor;
the motor drives the gear ring 402 to rotate, so that the supporting leg 2 is driven to rotate, and the problem of reverse locking of the spiral threads is solved.
The vertical auxiliary mechanism further comprises a synchronous mechanism 4 which enables the multiple groups of supporting legs 2 to synchronously rotate, the synchronous mechanism 4 comprises a toothed ring 402 and a rack 401, the toothed ring 402 and the sliding sleeve 3 are coaxially and rotatably installed, the rack 401 and the sliding sleeve 3 are installed in a sliding mode along the radial direction of the sliding sleeve 3, a gear meshed with the rack 401 is coaxially and fixedly arranged at a rotating shaft of each supporting leg 2, a lead screw is coaxially arranged at one end of the rack 401, a lead screw nut is installed outside the lead screw in a matched mode, a gear meshed with the toothed ring 402 is coaxially and fixedly arranged outside the lead screw nut, and the lead screw nut;
the rack 401 is used for pushing the screw rod to move axially to drive the screw rod nut to rotate, so that the toothed ring 402 is driven to rotate and limited by the toothed ring 402, the consistency of the feeding degree of the rack 401 is ensured, and the consistency of the rotating angle of the supporting leg 2 is ensured.
One end of the horizontal arm of the supporting leg 2, which is far away from the bending part, is rotatably provided with a roller 5, and the axis of the roller 5 is vertical to the axis of the resiliometer body 1;
through setting up gyro wheel 5, will support the sliding friction of leg 2 and the face that awaits measuring to change rolling friction into, resistance when effectively reducing the extrusion.
Idler wheels 5 are rotatably arranged at two ends of a horizontal arm of the supporting leg 2, the axis of each idler wheel 5 is perpendicular to the axis of the resiliometer body 1, and a pressure sensor is arranged at a rotating shaft of each idler wheel 5;
whether the supporting leg 2 contacts the test surface is judged by arranging the pressure sensor, when the pressure sensor far away from one end of the bending part detects pressure, the motor is started to drive the toothed ring 402 to rotate, the supporting leg 2 is driven to swing, and when the pressure sensor of the bending part detects pressure, the motor stops acting.
When in use: taking three groups of supporting legs 2 arranged in the vertical auxiliary mechanism as an example, the end parts of the three groups of supporting legs 2 are all provided with pressure sensors, when one group of the three groups of supporting legs 2 does not detect a pressure value, at least one group of the three groups of supporting legs 2 is not in contact with a test surface, at the moment, the resiliometer body 1 and the test surface are not in a non-vertical state, only when the three groups of pressure sensors detect the pressure value, the motor is started to drive the toothed ring 402 to rotate, at the moment, the supporting legs 2 can rotate, so that the resiliometer can be extruded inwards, namely, the resiliometer can be extruded only when being in the vertical state, and in the extrusion process, the rotating speeds of the three groups of supporting legs 2 are synchronous, namely, the resiliometer is always in the vertical state in the extrusion process, and in order to avoid the non-vertical state in the extrusion later stage, the vertical auxiliary mechanism can be, the resiliometer is prevented from being excited in a non-vertical state.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a resiliometer with perpendicular auxiliary function, includes resiliometer body (1), its characterized in that: the instrument is characterized in that a vertical auxiliary mechanism is arranged at the front end of the resiliometer body (1), the vertical auxiliary mechanism comprises at least three groups of support legs (2), the support legs (2) are arranged in an annular array relative to the axis of the resiliometer body (1), the support legs (2) are of an L-shaped structure, the support legs (2) are rotatably mounted relative to the resiliometer body (1), the rotating axes of the support legs (2) are positioned at the upper ends of the support legs (2) and are perpendicular to the axis of the resiliometer body (1), all the support legs (2) rotate synchronously, when the support legs (2) rotate, the included angle between the vertical edge of the support legs (2) and a vertical plane is 0-n, n is more than 0 and less than or equal to 15 degrees, when the included angle between the vertical edge of the support legs (2) and the vertical plane is 0 degree, the horizontal arm of the support legs (2) is perpendicular to a plane to be tested, and when the included, the end part of the horizontal arm of the supporting leg (2) exceeds the end part of the resiliometer body (1), so that when the extrusion rod of the resiliometer body (1) is extruded to the position, the internal impact hammer cannot be excited.
2. The resiliometer with vertical assist function according to claim 1, wherein: perpendicular complementary unit still includes sliding sleeve (3), sliding sleeve (3) and resiliometer body (1) are along axis slidable mounting, and sliding sleeve (3) and resiliometer body (1) are provided with elastic component (6) along the relative slip direction, the upper end and sliding sleeve (3) of supporting leg (2) rotate the installation, supporting leg (2) and sliding sleeve (3) rotation department are provided with the torsional spring, and restriction supporting leg (2) relative sliding sleeve (3) rotate to vertical arm and continue outwards to rotate, and when the vertical arm of supporting leg (2) rotated to vertical state, the striking hammer in resiliometer body (1) was in the front end that arouses the position, continues to extrude resiliometer body (1), and elastic component (6) are compressed, and the striking hammer reachs the position of arousing.
3. The resiliometer with vertical assist function according to claim 2, wherein: perpendicular complementary unit is still including making synchronous pivoted lazytongs (4) of multiunit supporting leg (2), lazytongs (4) are including ring gear (402) and rack (401), ring gear (402) and sliding sleeve (3) coaxial rotation installation, the back of ring gear (402) is provided with the spiral line, rack (401) are along sliding sleeve (3) radial with sliding sleeve (3) slidable mounting, rack (401) back sets up the thread tooth with ring gear (402) spiral line meshing, the coaxial fixed gear that is provided with rack (401) meshing in pivot department of supporting leg (2).
4. The resiliometer with vertical assist of claim 3, wherein: the gear ring (402) is externally provided with a motor for driving the gear ring to rotate, the end part of the horizontal arm of the supporting leg (2) is provided with a pressure sensor, and the pressure sensor is electrically connected with the motor.
5. The resiliometer with vertical assist function according to claim 2, wherein: perpendicular complementary unit is still including making synchronous pivoted lazytongs (4) of multiunit supporting leg (2), lazytongs (4) are including ring gear (402) and rack (401), ring gear (402) and sliding sleeve (3) coaxial rotation installation, rack (401) are along sliding sleeve (3) radial and sliding sleeve (3) slidable mounting, the coaxial fixed gear that is provided with rack (401) meshing of pivot department of supporting leg (2), the coaxial lead screw that sets up of one end of rack (401), lead screw outside cooperation installation screw nut, the outside coaxial fixed gear that sets up and ring gear (402) meshing of screw nut, screw nut rotates the installation with sliding sleeve (3).
6. The resiliometer with vertical assist function according to any one of claims 1 to 5, wherein: the supporting leg (2) horizontal arm is kept away from the one end of bending and is rotated and be provided with gyro wheel (5), the axis of gyro wheel (5) is perpendicular to the axis of resiliometer body (1).
7. The resiliometer with vertical assist according to claim 4, wherein: supporting leg (2) horizontal arm both ends all rotate and are provided with gyro wheel (5), the axis of axis perpendicular to resiliometer body (1) of gyro wheel (5), the pivot department of gyro wheel (5) is provided with pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110001157.6A CN112525669B (en) | 2021-01-04 | 2021-01-04 | Resiliometer with perpendicular auxiliary function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110001157.6A CN112525669B (en) | 2021-01-04 | 2021-01-04 | Resiliometer with perpendicular auxiliary function |
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| Publication Number | Publication Date |
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| CN112525669A true CN112525669A (en) | 2021-03-19 |
| CN112525669B CN112525669B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110001157.6A Active CN112525669B (en) | 2021-01-04 | 2021-01-04 | Resiliometer with perpendicular auxiliary function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102402333B1 (en) * | 2022-04-13 | 2022-05-30 | 주식회사 한진이앤씨 | Schmidt concrete test hammer with vertical ancillary unit |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10160654A (en) * | 1996-11-29 | 1998-06-19 | Sogo Concrete Service:Kk | Positioning tool for schmitt hammer |
| US20100192680A1 (en) * | 2005-06-24 | 2010-08-05 | Marco Brandestini | Apparatus for hardness measurement by impact |
| KR20140012472A (en) * | 2012-07-20 | 2014-02-03 | (주) 한국시설안전연구원 | Automatic hit point mark and vertical ancillary equipment for schmidt concrete test hammer |
| CN205981952U (en) * | 2016-07-27 | 2017-02-22 | 北京双圆工程咨询监理有限公司 | Aluminium alloy hardness detector that precision is accurate |
| CN207096013U (en) * | 2017-06-02 | 2018-03-13 | 苏州联信工程管理咨询有限公司 | Stable type mortar reisilometer |
| CN207516189U (en) * | 2017-10-10 | 2018-06-19 | 浙江华咨结构设计事务所有限公司 | A kind of mortar reisilometer |
| CN207763710U (en) * | 2018-01-10 | 2018-08-24 | 张昱 | A kind of mapping tripod that stablizing effect is good |
| CN207882097U (en) * | 2018-02-10 | 2018-09-18 | 北京市建设工程质量第二检测所有限公司 | Concrete bouncing back instrument |
| CN208860671U (en) * | 2018-09-25 | 2019-05-14 | 陕西北辰人防设备设施检测有限公司 | A kind of portable reisilometer |
| CN209656036U (en) * | 2019-04-16 | 2019-11-19 | 湖北铁安检测技术有限公司 | A kind of levelling rod foot pin |
| KR102151413B1 (en) * | 2020-06-15 | 2020-09-03 | 주식회사 정진이앤씨 | Measuring assistance apparatus for schmidt hammer |
| CN211426142U (en) * | 2020-01-16 | 2020-09-04 | 余海兵 | Detection apparatus for building structure bearing capacity |
-
2021
- 2021-01-04 CN CN202110001157.6A patent/CN112525669B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10160654A (en) * | 1996-11-29 | 1998-06-19 | Sogo Concrete Service:Kk | Positioning tool for schmitt hammer |
| US20100192680A1 (en) * | 2005-06-24 | 2010-08-05 | Marco Brandestini | Apparatus for hardness measurement by impact |
| KR20140012472A (en) * | 2012-07-20 | 2014-02-03 | (주) 한국시설안전연구원 | Automatic hit point mark and vertical ancillary equipment for schmidt concrete test hammer |
| CN205981952U (en) * | 2016-07-27 | 2017-02-22 | 北京双圆工程咨询监理有限公司 | Aluminium alloy hardness detector that precision is accurate |
| CN207096013U (en) * | 2017-06-02 | 2018-03-13 | 苏州联信工程管理咨询有限公司 | Stable type mortar reisilometer |
| CN207516189U (en) * | 2017-10-10 | 2018-06-19 | 浙江华咨结构设计事务所有限公司 | A kind of mortar reisilometer |
| CN207763710U (en) * | 2018-01-10 | 2018-08-24 | 张昱 | A kind of mapping tripod that stablizing effect is good |
| CN207882097U (en) * | 2018-02-10 | 2018-09-18 | 北京市建设工程质量第二检测所有限公司 | Concrete bouncing back instrument |
| CN208860671U (en) * | 2018-09-25 | 2019-05-14 | 陕西北辰人防设备设施检测有限公司 | A kind of portable reisilometer |
| CN209656036U (en) * | 2019-04-16 | 2019-11-19 | 湖北铁安检测技术有限公司 | A kind of levelling rod foot pin |
| CN211426142U (en) * | 2020-01-16 | 2020-09-04 | 余海兵 | Detection apparatus for building structure bearing capacity |
| KR102151413B1 (en) * | 2020-06-15 | 2020-09-03 | 주식회사 정진이앤씨 | Measuring assistance apparatus for schmidt hammer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102402333B1 (en) * | 2022-04-13 | 2022-05-30 | 주식회사 한진이앤씨 | Schmidt concrete test hammer with vertical ancillary unit |
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| CN112525669B (en) | 2023-09-26 |
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