CN213812233U - Instrument for monitoring building surface strain - Google Patents
Instrument for monitoring building surface strain Download PDFInfo
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- CN213812233U CN213812233U CN202022583309.1U CN202022583309U CN213812233U CN 213812233 U CN213812233 U CN 213812233U CN 202022583309 U CN202022583309 U CN 202022583309U CN 213812233 U CN213812233 U CN 213812233U
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- fixedly connected
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Abstract
The utility model relates to a strain monitoring technology field, and an instrument of monitoring building surface strain is disclosed, including the installation circle, strain gauge body has been placed in the installation circle, the spacing groove has all been seted up to the inner wall of the installation circle left and right sides, the inner wall of spacing groove rotates through the bearing and is connected with a screw thread section of thick bamboo, the threaded rod is threaded sleeve in the screw thread section of thick bamboo, the threaded rod stretches out three hornblocks of one end fixedly connected with of a screw thread section of thick bamboo, the equal fixedly connected with of lateral wall and the three hornblocks inclined plane pieces that match each other of strain gauge body left and right sides, the outer wall fixed cover of a screw thread section of thick bamboo is equipped with passive helical gear, the gear groove that matches each other with passive helical gear has been seted up to the lateral wall of spacing groove, the last lateral wall of gear groove has been seted up and has been changeed the hole. The utility model discloses convenient quick dismouting strainometer under the condition that does not need use tool and bolt of operating personnel, improved operating personnel's work efficiency and can fix the bull stick under the condition that does not need to rotate the bull stick, increased the device's stability.
Description
Technical Field
The utility model relates to a strain monitoring technology field especially relates to an instrument of monitoring building surface strain.
Background
When the stress in the structure to be measured changes, the strain gauges synchronously sense deformation, and the deformation is transmitted to the vibrating wire through the front end seat and the rear end seat to be converted into the change of the stress of the vibrating wire, so that the vibration frequency of the vibrating wire is changed. The electromagnetic coil excites the vibrating wire and measures the vibration frequency thereof, and the frequency signal is transmitted to the reading device through the cable, so that the strain inside the measured structure can be measured. Meanwhile, the temperature value of the embedded point can be synchronously measured.
When the existing strain gauge is installed, a base needs to be fixedly fixed on the surface of a measured object through an adhesive, then an operator needs to press the strain gauge with one hand, and the operator uses a tool to screw a bolt to install the strain gauge with one hand, so that the installation of the operator is inconvenient, and the follow-up work of the operator is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving prior art well strainometer when installing, need pass through the adhesive at the surface of measured object and fix a base firmly, then need a hand of operating personnel to press the strainometer, a hand utilizes the instrument to twist the bolt and installs the strain gauge, and it is convenient inadequately that operating personnel installs, influences the problem of the follow-up work of operating personnel, and the instrument of monitoring building surface strain who proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an instrument for monitoring the surface strain of a building comprises a mounting ring, wherein a strain gauge body is placed in the mounting ring, the inner walls of the left side and the right side of the mounting ring are respectively provided with a limiting groove, the inner walls of the limiting grooves are rotatably connected with a threaded cylinder through bearings, a threaded rod is sleeved in the threaded cylinder, one end of the threaded rod, which extends out of the threaded cylinder, is fixedly connected with a triangular block, the side walls of the left side and the right side of the strain gauge body are respectively fixedly connected with an inclined plane block which is matched with the triangular block, the outer wall of the threaded cylinder is fixedly sleeved with a driven helical gear, the side wall of the limiting groove is provided with a gear groove which is matched with the driven helical gear, the upper side wall of the gear groove is provided with a rotating hole, the inner wall of the rotating hole is rotatably connected with a rotating rod through a bearing, one end of the rotating rod, which is positioned in the gear groove, is fixedly connected with a driving helical gear which is matched with the driven helical gear, two covers of the last lateral wall symmetry fixedly connected with of installation circle are established at the spacing cover outside changeing the hole, the connecting hole that matches each other with the bull stick is seted up to the last lateral wall of spacing cover, the bull stick dustcoat is equipped with changes the cover, change many springs of lateral wall fixedly connected with between cover and the bull stick, the inner wall fixedly connected with slide of changeing the cover, the spout that matches each other with the slide is seted up to the pole wall of bull stick, the outer wall fixedly connected with circle board of changeing the cover, two locating pins of the lower lateral wall symmetry fixedly connected with of spacing cover, a plurality of locating holes that match each other with the locating pin are seted up to the last lateral wall of circle board.
Preferably, the upper side wall of the rotating sleeve is fixedly connected with a rotating plate through a connecting shaft.
Preferably, two positioning grooves are symmetrically formed in the rod wall of the threaded rod, and two positioning plates matched with the positioning grooves are symmetrically and fixedly connected to the inner wall of the limiting groove.
Preferably, a magnet is fixedly connected to the outer wall of the mounting ring.
Preferably, the inner walls of the two sides of the mounting ring are fixedly connected with stabilizing grooves, and the side walls of the two sides of the strain gauge body are fixedly connected with stabilizing plates matched with the stabilizing grooves.
Preferably, the side wall of the rotating plate is carved with anti-skid grains.
Compared with the prior art, the utility model provides an instrument of monitoring building surface strain possesses following beneficial effect:
1. this monitoring building surface strain's instrument, through the installation circle that sets up, strainometer body, spacing groove, a screw thread section of thick bamboo, threaded rod, three hornblocks, bevel block, passive helical gear, gear groove, commentaries on classics hole, bull stick, initiative helical gear, spacing cover, connecting hole, commentaries on classics cover, spring, slide, spout, circle board, locating pin and locating hole, convenient quick dismouting strainometer under the condition that does not need use tools and bolt of operating personnel has improved operating personnel's work efficiency.
2. This monitoring building surface strain's instrument through the commentaries on classics hole, bull stick, initiative helical gear, spacing cover, connecting hole, commentaries on classics cover, spring, slide, spout, circle board, locating pin and the locating hole that sets up, can fix the bull stick under the condition that need not rotate the bull stick, has increased the device's stability.
And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses convenient quick dismouting strainometer under the condition that does not need use tools and bolt of operating personnel has improved operating personnel's work efficiency and can fix the bull stick under the condition that does not need to rotate the bull stick, has increased the device's stability.
Drawings
Fig. 1 is a schematic structural diagram of an apparatus for monitoring the strain of a building surface according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a cross-sectional view taken along line B-B of fig. 1.
In the figure: the device comprises a mounting ring 1, a strain gauge body 2, a limit groove 3, a thread cylinder 4, a threaded rod 5, a triangular block 6, a bevel block 7, a driven bevel gear 8, a gear groove 9, a rotating hole 10, a rotating rod 11, a driving bevel gear 12, a limit cover 13, a connecting hole 14, a rotating sleeve 15, a spring 16, a sliding plate 17, a sliding groove 18, a ring plate 19, a positioning pin 20, a positioning hole 21, a rotating plate 22, a positioning groove 23, a positioning plate 24, a magnet 25, a stabilizing groove 26, a stabilizing plate 27 and anti-skid threads 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, an instrument for monitoring building surface strain comprises a mounting ring 1, a strain gauge body 2 is placed in the mounting ring 1, the inner walls of the left and right sides of the mounting ring 1 are respectively provided with a limiting groove 3, the inner walls of the limiting grooves 3 are rotatably connected with a threaded cylinder 4 through bearings, a threaded rod 5 is sleeved in the threaded cylinder 4, one end of the threaded rod 5 extending out of the threaded cylinder 4 is fixedly connected with a triangular block 6, the side walls of the left and right sides of the strain gauge body 2 are respectively and fixedly connected with an inclined plane block 7 matched with the triangular block 6, the outer wall of the threaded cylinder 4 is fixedly sleeved with a driven helical gear 8, the side wall of the limiting groove 3 is provided with a gear groove 9 matched with the driven helical gear 8, the upper side wall of the gear groove 9 is provided with a rotating hole 10, the inner wall of the rotating hole 10 is rotatably connected with a rotating rod 11 through bearings, one end of the rotating rod 11 positioned in the gear groove 9 is fixedly connected with a driving helical gear 12 matched with the driven helical gear 8, two covers of the last lateral wall symmetry fixedly connected with of installation circle 1 establish spacing cover 13 outside changeing hole 10, connecting hole 14 that matches each other with bull stick 11 is seted up to the last lateral wall of spacing cover 13, 11 dustcoats of bull stick are equipped with and change cover 15, change many springs of lateral wall fixedly connected with 16 between cover 15 and the bull stick 11, the inner wall fixedly connected with slide 17 of changeing cover 15, the spout 18 that matches each other with slide 17 is seted up to the pole wall of bull stick 11, the outer wall fixedly connected with circle board 19 of changeing cover 15, two locating pins 20 of the lower lateral wall symmetry fixedly connected with of spacing cover 13, a plurality of locating holes 21 that match each other with locating pin 20 are seted up to the last lateral wall of circle board 19.
The upper side wall of the rotating sleeve 15 is fixedly connected with a rotating plate 22 through a connecting shaft, so that the rotating sleeve 15 is convenient to rotate.
Two constant head tanks 23 have been seted up to the pole wall symmetry of threaded rod 5, and the inner wall symmetry fixedly connected with of spacing groove 3 is two locating plates 24 that match each other with constant head tank 23, avoids threaded rod 5 rotatory through mutually supporting of constant head tank 23 and locating plate 24, makes threaded rod 5 only can remove about the horizontal direction.
The outer wall of the mounting ring 1 is fixedly connected with a magnet 25, and when the mounting ring 1 is bonded with a metal object to be detected, the mounting ring 1 is automatically adsorbed on the surface of the metal object to be detected without being held by an operator.
The inner wall fixedly connected with of installing ring 1 both sides stabilizes groove 26, and the equal fixedly connected with of lateral wall of strainometer body 2 both sides stabilizes the board 27 with stabilizing groove 26 mutual matching, when threaded rod 5 drives triangle piece 6 and removes to sloping block 7, avoids strainometer body 2 to remove.
The side walls of the rotating plate 22 are engraved with anti-slip lines 28, which increase the friction between the human hand and the rotating plate 22.
In the utility model, when in use, after the mounting ring 1 is bonded, the strain gauge body 2 is placed in the mounting ring 1, one hand presses the strain gauge body 2, the other hand presses the rotating plate 22 downwards, the rotating plate 22 drives the rotating sleeve 15 to move downwards through the connecting shaft, the rotating sleeve 15 drives the ring plate 19 to move downwards to a proper position, so that the positioning pin 20 and the positioning hole 21 are separated from each other, then the rotating plate 22 is rotated, the rotating plate 22 drives the rotating sleeve 15 to rotate, the rotating sleeve 15 drives the rotating rod 11 to rotate through the mutual matching of the sliding plate 17 and the sliding groove 18, the rotating rod 11 drives the thread cylinder 4 to rotate through the meshing of the driving helical gear 12 and the driven helical gear 8, the thread cylinder 4 drives the threaded rod 5 to move towards the direction close to the strain gauge body 2 through the thread matching, the threaded rod 5 is pressed against the strain gauge body 2 through the mutual matching of the triangular block 6 and the inclined block 7, the rotating plate 22 is loosened, the rotating cylinder 15 drives the positioning hole 21 to move upwards to a proper position under the elasticity of the spring 16, make locating pin 20 insert in locating hole 21 can carry on spacingly to bull stick 11, the other bull stick 11 of the fixed rotation of same operation is fixed to the opposite side of strainometer body 2, and strainometer body 2 can be taken off in the reverse operation, and the convenient quick dismouting strainometer under the condition that does not need use tools and bolt of the device operating personnel has improved operating personnel's work efficiency.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The instrument for monitoring the building surface strain comprises an installation ring (1) and is characterized in that a strain gauge body (2) is placed in the installation ring (1), limiting grooves (3) are formed in the inner walls of the left side and the right side of the installation ring (1), the inner walls of the limiting grooves (3) are rotatably connected with a threaded cylinder (4) through bearings, a threaded rod (5) is sleeved in the threaded cylinder (4), one end, extending out of the threaded cylinder (4), of the threaded rod (5) is fixedly connected with a triangular block (6), the side walls of the left side and the right side of the strain gauge body (2) are fixedly connected with bevel blocks (7) matched with the triangular block (6), a driven helical gear (8) is fixedly sleeved on the outer wall of the threaded cylinder (4), and gear grooves (9) matched with the driven helical gear (8) are formed in the side walls of the limiting grooves (3), the upper side wall of the gear groove (9) is provided with a rotating hole (10), the inner wall of the rotating hole (10) is rotatably connected with a rotating rod (11) through a bearing, one end of the rotating rod (11) positioned in the gear groove (9) is fixedly connected with a driving helical gear (12) matched with a driven helical gear (8), the upper side wall of the mounting ring (1) is symmetrically and fixedly connected with two limiting covers (13) covering the rotating hole (10), the upper side wall of each limiting cover (13) is provided with a connecting hole (14) matched with the rotating rod (11), the outer cover of the rotating rod (11) is provided with a rotating sleeve (15), the side wall between the rotating sleeve (15) and the rotating rod (11) is fixedly connected with a plurality of springs (16), the inner wall of the rotating sleeve (15) is fixedly connected with a sliding plate (17), the rod wall of the rotating rod (11) is provided with a sliding groove (18) matched with the sliding plate (17), the outer wall of the rotating sleeve (15) is fixedly connected with a ring plate (19), the lower side wall of the limiting cover (13) is symmetrically and fixedly connected with two positioning pins (20), and a plurality of positioning holes (21) matched with the positioning pins (20) are formed in the upper side wall of the ring plate (19).
2. An apparatus for monitoring the strain on the surface of a building according to claim 1, characterized in that the upper side wall of the rotating sleeve (15) is fixedly connected with a rotating plate (22) through a connecting shaft.
3. The instrument for monitoring the strain on the surface of the building as claimed in claim 1, wherein the threaded rod (5) has two positioning slots (23) symmetrically formed on the wall thereof, and two positioning plates (24) matching with the positioning slots (23) are symmetrically and fixedly connected to the inner wall of the limiting slot (3).
4. An apparatus for monitoring the strain on the surface of a building according to claim 1, characterized in that the outer wall of the mounting ring (1) is fixedly connected with a magnet (25).
5. The apparatus for monitoring the strain on the surface of the building as claimed in claim 1, wherein the inner wall of the mounting ring (1) is fixedly connected with a stabilizing groove (26), and the side wall of the strain gauge body (2) is fixedly connected with a stabilizing plate (27) matched with the stabilizing groove (26).
6. An apparatus for monitoring the strain in a building surface according to claim 2, characterised in that the side walls of the rotating plate (22) are engraved with anti-slip lines (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022583309.1U CN213812233U (en) | 2020-11-10 | 2020-11-10 | Instrument for monitoring building surface strain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022583309.1U CN213812233U (en) | 2020-11-10 | 2020-11-10 | Instrument for monitoring building surface strain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213812233U true CN213812233U (en) | 2021-07-27 |
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ID=76966859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022583309.1U Active CN213812233U (en) | 2020-11-10 | 2020-11-10 | Instrument for monitoring building surface strain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213812233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674208A (en) * | 2022-03-28 | 2022-06-28 | 南京斯比特电子科技有限公司 | Digital strain gauge |
-
2020
- 2020-11-10 CN CN202022583309.1U patent/CN213812233U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674208A (en) * | 2022-03-28 | 2022-06-28 | 南京斯比特电子科技有限公司 | Digital strain gauge |
| CN114674208B (en) * | 2022-03-28 | 2023-11-24 | 南京斯比特电子科技有限公司 | Digital strain gauge |
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