CN214372232U - Measuring scale for self-leveling construction elevation measurement and retest - Google Patents
Measuring scale for self-leveling construction elevation measurement and retest Download PDFInfo
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- CN214372232U CN214372232U CN202120645654.5U CN202120645654U CN214372232U CN 214372232 U CN214372232 U CN 214372232U CN 202120645654 U CN202120645654 U CN 202120645654U CN 214372232 U CN214372232 U CN 214372232U
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Abstract
The utility model belongs to the technical field of fluid material construction, the application provides a dipperstick is used in self-leveling construction elevation measurement and retest, including main scale and vice chi, establish linear transducer between main scale and the vice chi and measure the length that the vice chi stretches out terminal surface part under the main scale. The method is characterized in that a horizontal line with a certain height is set indoors, the calibration part is adjusted to the designed elevation, and the relative displacement between the main ruler and the auxiliary ruler is the thickness of the self-leveling construction. This application can be before the self-leveling construction, according to self-leveling construction design elevation measure, confirm the construction thickness of self-leveling to calculate construction volume and material use amount. And can carry out retest to the self-leveling after the self-leveling construction is accomplished, whether the inspection self-leveling satisfies the construction requirement, this dipperstick simple structure, the simple operation does benefit to the popularization.
Description
Technical Field
The application belongs to the technical field of fluid material construction, and in particular relates to a measuring scale for measuring elevation of self-leveling construction and retesting.
Background
The floor layer is formed on the ground of a building by mixing raw materials, such as gypsum-based cementing materials, cement-based cementing materials, fine aggregates, fillers, other powdery additives and the like, prefabricated in a factory, and is widely used after being uniformly stirred by adding water according to the use specification of a manufacturer, so that the floor layer is formed on the ground of the building. In order to guarantee the construction thickness precision of the self-leveling ground, the thickness measuring device for the self-leveling ground is an important construction device, and in the existing measurement of the self-leveling construction elevation, the total station is utilized to measure the self-leveling construction elevation outdoors, so that the indoor measurement requirement is not met, and meanwhile, the accurate integrated measuring tool for the retest requirement is met.
Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the application is to provide a dipperstick is used in survey and retest of self-leveling construction elevation to solve or alleviate the problem that exists among the above-mentioned prior art.
In order to achieve the above purpose, the present application provides the following technical solutions:
the application provides a dipperstick is used in self-leveling construction elevation measurement and retest, include:
the main scale is rod-shaped, and the main scale is provided with a calibration piece so that the lower end face of the main scale is positioned at a certain horizontal height above the surface to be measured through the calibration piece.
And the auxiliary ruler is assembled on the main ruler in a sliding manner, and the auxiliary ruler extends downwards out of the lower end face of the main ruler and then abuts against the surface to be detected.
And the linear sensor is arranged between the main scale and the auxiliary scale so as to measure the length of the part of the auxiliary scale extending out of the lower end face of the main scale.
Preferably, the calibration member is disposed on an outer vertical surface of the main scale, and is slidably assembled along a length direction of the main scale, and the outer vertical surface of the main scale further has a graduation mark corresponding to the calibration member to determine a distance between the calibration member and the lower end surface of the main scale.
Preferably, the calibration member is a pointer, and the outer vertical surface of the main scale is provided with a sliding groove which is used for slidably assembling the pointer and extends along the length direction of the main scale.
Preferably, a friction layer is arranged between the pointer and the sliding groove.
Preferably, the device further comprises a digital display meter, wherein the digital display meter is electrically connected with the linear sensor so as to display the length of the part, extending out of the lower end face of the main ruler, of the auxiliary ruler.
Preferably, the linear sensor is a capacitance grid displacement sensor, the sensitive element of the capacitance grid displacement sensor comprises a movable grid and a fixed grid, the fixed grid is fixed on the main scale and has the same length with the main scale, a signal wire of the capacitance grid displacement sensor is led out from the fixed grid, and the movable grid is arranged on the auxiliary scale.
Preferably, the capacitive grid displacement sensor is in communication connection with a digital display meter through a signal line, the digital display meter is arranged on the main scale, and when relative displacement is generated between the fixed grid and the movable grid, the mechanical displacement is converted into an electric signal through the capacitive grid displacement sensor and then is represented by a numerical value displayed by the digital display meter.
Preferably, a bubble level is provided at the top of the main scale.
Preferably, a transmission mechanism is arranged in the main scale, the auxiliary scale is in sliding connection with the main scale through the transmission mechanism, the transmission mechanism comprises a gear and an L-shaped folded plate, the L-shaped folded plate is fixedly connected to the inner wall of the main scale, a rotating shaft is fixedly connected to the center of the gear, the rotating shaft sequentially penetrates through the L-shaped folded plate and the main scale and then extends outwards, a rack is arranged on the corresponding surface of the auxiliary scale and the gear, the rack is meshed with gear teeth of the gear, and sliding displacement is generated between the main scale and the auxiliary scale by rotating the rotating shaft.
Preferably, the outward extending part of the rotating shaft is provided with a braking mechanism, the braking mechanism comprises a plurality of braking pieces which are arranged around the circumferential direction of the rotating shaft, one end of each braking piece is fixedly connected with the side wall of the main ruler, the other end of each braking piece is provided with an inclined plane protrusion, a fastening sleeve is sleeved on the outer side of the rotating shaft, an internal thread is arranged in each fastening sleeve, external threads are arranged on the surface of the inclined plane protrusion and the side surface of the rotating shaft, each fastening sleeve is in threaded connection with the corresponding braking piece, the fastening sleeves are screwed to the surface of the inclined plane protrusion, the braking pieces tightly press the rotating shaft to limit gear rotation, and then the main ruler and the auxiliary ruler are braked.
Has the advantages that: the utility model provides a dipperstick is used in self-leveling construction elevation measurement and retest can be before the self-leveling construction, measures according to the self-leveling construction design elevation, confirms the construction thickness of self-leveling to calculate construction volume and material use amount. And can carry out retest to the self-leveling after the self-leveling construction is accomplished, whether the inspection self-leveling satisfies the construction requirement, this dipperstick simple structure, the simple operation does benefit to the popularization.
Through the setting of drive mechanism, can produce position from top to bottom between messenger's main scale and the vice chi, confirm self-leveling construction elevation through measuring the difference in height of measuring between main scale and the vice chi.
Through the setting of gear and rack, convert circular motion into linear motion, conveniently control moving down of vice chi and measure, it is easy and simple to handle.
Through the setting of capacitive grating displacement sensor, show numerical value through the digital display table after converting the mechanical displacement volume between main scale and the secondary scale into the signal of telecommunication to through capacitive grating displacement sensor's non-contact measurement, frictional resistance when can reducing the measurement avoids leading to measurement accuracy to descend because of measuring component's surface wear.
Through the setting of brake mechanism, keep the stability of vice chi when log shows the table reading, prevent that vice chi from producing when the reading and moving, influence the accuracy of reading.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. Wherein:
fig. 1 is a schematic perspective view of the present application;
FIG. 2 is a schematic structural view of the transmission mechanism of FIG. 1;
FIG. 3 is a schematic view of another embodiment of the transmission mechanism of FIG. 1;
FIG. 4 is a schematic perspective view of the present application;
fig. 5 is a schematic structural diagram of the electromagnetic horizontal induction mechanism.
Description of reference numerals:
1-main ruler; 11-a chute; 12-sliding the pointer; 13-graduation mark; 14-a gear; 15-L shaped flaps; 16-a rotating shaft; 17-a guide groove; 18-brake pads; 19-a fastening sleeve; 2-auxiliary ruler; 21-a rack; 3-digital display meter; 4-a bubble level; 51-weight; 52-a scaffold; 53-electromagnetic coil.
Detailed Description
The present application will be described in detail below with reference to the embodiments with reference to the attached drawings. The various examples are provided by way of explanation of the application and are not limiting of the application. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present application without departing from the scope or spirit of the application. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present application cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
In the description of the present application, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", 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 of the present application but do not require that the present application must be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. The terms "connected," "connected," and "disposed" as used herein are intended to be broadly construed, and may include, for example, fixed and removable connections; can be directly connected or indirectly connected through intermediate components; the connection may be a wired electrical connection, a wireless electrical connection, or a wireless communication signal connection, and a person skilled in the art can understand the specific meaning of the above terms according to specific situations.
As shown in fig. 1 to 5, the utility model discloses a dipperstick is used in self-leveling construction elevation measurement and retest, include:
the main scale 1, main scale 1 have certain length, are equipped with calibration piece on main scale 1, and main scale 1 can keep being located a certain level department of the face top that awaits measuring through calibration piece.
And the linear sensor is arranged between the main scale 1 and the auxiliary scale 2 and is used for measuring the length of the part of the auxiliary scale 2 extending out of the lower end face of the main scale 1.
Further, the calibration member is disposed on the outer vertical surface of the main scale 1, and is assembled in a sliding manner along the length direction of the main scale 1, and the outer vertical surface of the main scale 1 further has a graduation line 13 corresponding to the calibration member, so as to determine the distance between the calibration member and the lower end surface of the main scale 1. The start scale of the graduation marks 13 is provided at the bottom end of the main scale 1.
Further, the calibration piece is a pointer 12, a sliding groove 11 extending along the length direction of the main scale 1 is arranged on the outer vertical surface of the main scale 1, and the pointer 12 is assembled in the sliding groove 11 in a sliding mode.
Furthermore, in order to prevent the pointer 12 from moving during the measurement process, a friction layer is arranged between the pointer 12 and the sliding chute 11, so that the friction force between the pointer 12 and the sliding chute 11 is increased.
Furthermore, the linear sensor is a capacitive grating displacement sensor, sensitive elements of the capacitive grating displacement sensor comprise a movable grating and a fixed grating, the fixed grating is arranged on the main scale 1 and is equal to the main scale 1 in length, a signal wire of the capacitive grating displacement sensor is led out from the fixed grating, the movable grating is arranged on the auxiliary scale 2, no lead is arranged on the movable grating serving as a moving part, and the capacitive grating displacement sensor is used for non-contact measurement.
Further, the dipperstick of this application still includes digital display table 3, and digital display table 3 electric connection capacitance grid displacement sensor, digital display table 3 show that vice chi 2 stretches out the length of the lower terminal surface of main scale 1.
Further, digital display table 3 is located the top of main scale 1, and digital display table 3 is connected through the communication between signal line and the capacitive grid displacement sensor, and when producing relative displacement between fixed grid and the movable grid and producing, the mechanical displacement volume passes through the capacitive grid displacement sensor and converts the back to the signal of telecommunication and shows numerical value through digital display table 3.
Further, the measuring scale of this application still includes bubble spirit level 4, in order to keep the level of measuring scale in the use, reduces the measuring error, is equipped with bubble spirit level 4 at the top of main scale 1.
In this embodiment, in order to ensure that the scale mark 13 of the measuring scale is kept horizontal during the measuring process, an alarm mechanism is arranged in the main scale 1, the alarm mechanism comprises a bracket, a heavy hammer is arranged at the top of the bracket, the heavy hammer is hung at the center of the top of the bracket through two vertically arranged rotating shafts, and the two vertically arranged rotating shaft sleeves are inserted into the coupling and are axially positioned by using screws; the bottom of the heavy hammer is provided with a first metal piece, the bottom of the support is provided with a second metal piece, when the heavy hammer inclines due to the inclination of the main scale 1, the first metal piece is in contact with the second metal piece, a circuit in the alarm mechanism is connected and then gives out an alarm sound or a flash alarm, the device is adjusted to be horizontal by combining the bubble level device 4, and the alarm is released after the first metal piece and the second metal piece are disconnected. The alarm mechanism gives an alarm signal when the device is on a working surface inclined beyond a set angle, and reminds a user of paying attention, so that the measurement is more accurate and effective.
In another embodiment, as shown in fig. 5, in order to ensure that the scale mark 13 of the measuring scale is kept horizontal during the measuring process, an alarm mechanism is arranged in the main scale 1, the circuit of the alarm mechanism is connected with the electromagnetic level sensing mechanism, the alarm mechanism comprises a bracket 52, a heavy hammer 51 is arranged at the top of the bracket 52, the heavy hammer 51 is hung at the center of the top of the bracket 52 through two vertically arranged rotating shafts, and the two vertically arranged rotating shafts are sleeved in the coupling and are axially positioned by screws; the electromagnetic horizontal induction mechanism comprises electromagnetic rings 53 arranged below the bracket 52, the heavy hammer 51 is arranged between the electromagnetic rings 53, when the heavy hammer 51 swings, the heavy hammer 51 serves as a conductor to cut magnetic induction lines inside the electromagnetic rings 53 to generate current, a circuit of the alarm mechanism connected outside the heavy hammer 51 is connected, an alarm signal is given, a user is reminded of paying attention, and therefore measurement is more accurate and effective.
Furthermore, in order to control the auxiliary scale 2 to move downwards, a transmission mechanism is arranged on the inner wall of the main scale 1, and the auxiliary scale 2 is sleeved in the main scale 1 through the transmission mechanism. The transmission mechanism comprises a gear 14 and an L-shaped folded plate 15, the L-shaped folded plate 15 is fixedly connected to the inner wall of the main scale 1, a rotating shaft 16 is fixedly connected to the center of the gear 14, the rotating shaft 16 sequentially penetrates through the L-shaped folded plate 15 and the main scale 1 and then extends outwards, a rack 21 is arranged on the surface, corresponding to the gear 14, of the auxiliary scale 2, the rack 21 is meshed with the gear teeth of the gear 14, and when the transmission mechanism is used, the rotating shaft 16 on the outer side is rotated to control the rotation of the gear 14, so that sliding displacement is generated between the main scale 1 and the auxiliary scale 2.
Further, a guide groove 17 for sliding the sub-scale 2 is provided in the L-shaped flap 15.
Further, in order to improve the stability of the auxiliary ruler 2 in the downward moving process, at least two groups of transmission mechanisms are arranged in the inner cavity of the main ruler 1 and are matched with the auxiliary ruler 2 to slide.
Furthermore, in order to control the downward movement of the auxiliary ruler 2, a rocking handle is arranged outside the rotating shaft 16.
Further, the main scale 1 is of a box structure, at least one vertical face of the main scale 1 can be detachably connected to the box body, and the transmission mechanism in the main scale 1 can be conveniently overhauled and replaced in the later period.
Furthermore, in order to ensure that the auxiliary ruler 2 is kept stable after contacting the surface to be measured and ensure the accurate reading of the digital display meter 3, the outward extending part of the rotating shaft 16 is provided with a braking mechanism, so that the auxiliary ruler 2 is prevented from moving during reading and affecting the accuracy of the reading. The brake mechanism includes a plurality of braking pieces 18 that set up around 16 circumferences of pivot, the one end and the main scale 1 lateral wall fixed connection of braking piece 18, the other end of braking piece 18 is equipped with the inclined plane arch, adapter sleeve 19 is established to the cover in the pivot 16 outside, be equipped with the internal thread in adapter sleeve 19, all be equipped with the external screw thread on the protruding surface of inclined plane of braking piece 18 and the side of pivot 16, adapter sleeve 19 and braking piece 18 threaded connection, through screwing adapter sleeve 19, when adapter sleeve 19 revolves to the protruding surface on inclined plane, braking piece 18 sticiss pivot 16, thereby restriction gear 14 rotates, and then brake main scale 1 and vice chi 2.
Further, in order to improve the braking effect of the braking mechanism, a rubber pad is provided on the contact surface of the brake pad 18 and the rotating shaft 16.
Furthermore, in order to keep the gravity center of the device to be lower and ensure the stability of the device in the measuring process, a balance weight is additionally arranged inside the lower end of the main scale 1.
Further, in one embodiment, the dimensions of the major scale 1 are 4cm × 3cm × 1.5m (length × width × height), and the minor scale 2 is a cylinder with a diameter of 2 cm.
The device comprises the following steps when in use:
And 2, obtaining the position of the self-leveling elevation below the horizontal line according to the self-leveling design requirement, and adjusting the calibration piece to the design elevation.
And 3, rotating the rotating shaft 16 to enable the main ruler 1 and the auxiliary ruler 2 to generate relative displacement, enabling the calibration piece to be overlapped with a horizontal line, enabling the bottom of the auxiliary ruler 2 to abut against a surface to be measured, and enabling the relative displacement generated between the main ruler 1 and the auxiliary ruler 2 to be the thickness of self-leveling construction.
And 4, after point taking measurement is carried out on multiple indoor positions, an average value is obtained to serve as the average thickness of the self-leveling construction, and the self-leveling construction amount is calculated according to the tested average thickness of the self-leveling construction.
Step 5, after the self-leveling pouring is completed, when the self-leveling liquid level elevation needs to be subjected to repeated measurement, the calibration piece is adjusted, after the calibration piece is adjusted to coincide with a horizontal line, the lower end face of the main ruler 1 is located at the self-leveling design elevation, the device is placed on a surface to be measured, and the relative position of the lower end face of the main ruler 1 and the self-leveling surface to be measured is detected to judge as follows:
when the lower end surface of the main scale 1 is attached to the self-leveling surface to be measured, the self-leveling thickness meets the design construction thickness;
when the lower end face of the main ruler 1 is located above a self-leveling surface to be measured, the self-leveling thickness does not meet the construction design thickness, the auxiliary ruler 2 is moved downwards by rotating the rotating shaft 16, the rotation is stopped after the bottom end of the auxiliary ruler 2 is contacted with the self-leveling surface to be measured, the digital display meter 3 is read, and the display value of the digital display meter 3 is the thickness which needs to be increased by self-leveling;
when the lower end face of the main ruler 1 extends below the self-leveling surface to be measured, the self-leveling thickness exceeds the designed construction thickness.
Further, in step 3, the bottom of the device is abutted against the surface to be measured, and the main scale 1 is moved upwards after the rotating shaft 16 is rotated, so that the calibration piece is overlapped with the horizontal line; the lower end face of the main ruler 1 can be positioned at the self-leveling design elevation after the calibration piece is overlapped with the horizontal line, and the auxiliary ruler 2 can move downwards after the rotating shaft 16 is rotated. The relative displacement between the main scale 1 and the auxiliary scale 2, namely the length of the part of the auxiliary scale 2 extending out of the lower end surface of the main scale 1 is the thickness of self-leveling construction.
In one embodiment: if the scale line range of the main scale 1 is 0-1.5m, the construction requirement self-leveling level of the grout surface is 0.9m below the horizontal line of 1m, the pointer 12 is moved to 0.9m of the scale line 13, at the moment, the lower end surface (namely 0m scale line) of the main scale 1 is the self-leveling design level, the auxiliary scale 2 is moved downwards by rotating the rotating shaft 16, the rotation is stopped after the bottom end of the auxiliary scale 2 is contacted with the surface to be measured, the digital display meter 3 is read after the braking mechanism is locked, and the reading of the digital display meter 3 is the construction thickness of the self-leveling.
In another embodiment: if the scale line range of the main ruler 1 is 0-1.5m, the construction requirement self-leveling grout level is 0.9m below the 1m horizontal line, the pointer 12 is moved to 0.9m of the scale line 13, at the moment, the lower end face of the main ruler 1 (namely the lower end face of the auxiliary ruler 2) is placed at a measuring point, the main ruler 1 is moved upwards by rotating the rotating shaft 16, when the pointer 12 is overlapped with the 1m horizontal line, the rotating shaft 16 is stopped rotating, the digital display 3 is read after the braking mechanism is locked, and the reading of the digital display 3 is the self-leveling construction thickness.
In another embodiment: after pouring the completion, remove pointer 12 to design elevation department, with the bottom and the basal plane butt of the device, through rotating 16 messenger main scale 1 lower terminal surface and remove to the laminating of awaiting measuring face with the self-leveling, establish through establishing the standard and judge with the relative position of water flat line, specifically as follows:
when the scale line pointed by the calibration piece is superposed with the horizontal line, the self-leveling thickness meets the design construction thickness;
when the scale line pointed by the calibration piece is below the horizontal line, the self-leveling thickness does not meet the construction design thickness, the main ruler 1 is moved upwards by rotating the rotating shaft 16, and the difference value of the digital display meter 3 after the movement is the thickness required to be increased by self-leveling;
when the scale mark pointed by the calibration piece is above the horizontal line, the self-leveling thickness exceeds the designed construction thickness.
Further, in order to maintain the level of the measuring scale during use and reduce the measuring error, the main scale 1 is adjusted by the bubble level 4 and the top surface of the main scale 1 is confirmed to be maintained level before the device is placed at the point to be measured for detection in steps 3 and 5.
Further, in step 1, a horizontal line having a certain height is set in the room by a laser level.
Further, in step 2, after the calibration piece is adjusted to coincide with the horizontal line, the lower end face of the main ruler is located at a self-leveling design elevation, and at this time, the reading of the digital display meter 3 is 0.
Further, in step 3, the rotating shaft 16 is rotated to move the auxiliary ruler 2 downwards, the rotation is stopped after the bottom end of the auxiliary ruler 2 is contacted with the surface to be measured, then the fastening sleeve 19 is rotated to press the brake piece 18 on the rotating shaft 16, the reading of the digital display meter 3 is carried out after the auxiliary ruler 2 is fixed, and the measurement error is reduced.
Further, in step 3, reading is carried out on the digital display meter 3 to obtain the self-leveling construction thickness at the measuring point, and the auxiliary ruler 2 and the pointer 12 of the device are reset after the measurement is finished.
To sum up, the utility model provides a dipperstick is used in self-leveling construction elevation measurement and retest can be before self-leveling construction, according to self-leveling construction design elevation measuring, confirms the construction thickness of self-leveling to calculate the construction volume. And can carry out retest to the self-leveling after the self-leveling construction is accomplished, whether the inspection self-leveling satisfies the construction requirement, this dipperstick simple structure, the simple operation does benefit to the popularization.
Through the setting of drive mechanism, can produce position from top to bottom between messenger's main scale and the vice chi, confirm self-leveling construction elevation through measuring the difference in height of measuring between main scale and the vice chi.
Through the setting of gear and rack, convert circular motion into linear motion, conveniently control moving down of vice chi and measure, it is easy and simple to handle.
Through the setting of capacitive grating displacement sensor, show numerical value through the digital display table after converting the mechanical displacement volume between main scale and the secondary scale into the signal of telecommunication to through capacitive grating displacement sensor's non-contact measurement, frictional resistance when can reducing the measurement avoids leading to measurement accuracy to descend because of measuring component's surface wear.
Through the setting of brake mechanism, keep the stability of vice chi when log shows the table reading, prevent that vice chi from producing when the reading and moving, influence the accuracy of reading.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. The utility model provides a dipperstick is used in survey and retest of self-leveling construction elevation which characterized in that includes:
the main scale is rod-shaped, and a calibration piece is arranged on the main scale so that the lower end face of the main scale is positioned at a certain horizontal height above a surface to be measured through the calibration piece;
the auxiliary ruler is assembled on the main ruler in a sliding mode, extends downwards out of the lower end face of the main ruler and then abuts against the surface to be detected;
and the linear sensor is arranged between the main scale and the auxiliary scale so as to measure the length of the part of the auxiliary scale extending out of the lower end face of the main scale.
2. The measuring tape for measuring elevation and retesting of self-leveling construction according to claim 1, wherein the calibration member is provided on an outer vertical surface of the main scale and is slidably assembled in a longitudinal direction of the main scale;
the outer vertical surface of the main scale is also provided with scale marks corresponding to the calibration piece so as to determine the distance between the calibration piece and the lower end surface of the main scale.
3. The self-leveling construction elevation measuring and retesting ruler according to claim 2, wherein the calibration member is a pointer, and the outer vertical surface of the main scale has a slide groove for slidably fitting the pointer and extending in a longitudinal direction of the main scale.
4. The measuring scale for self-leveling construction elevation measurement and retest according to claim 3, wherein a friction layer is provided between the pointer and the chute.
5. The measuring scale for measuring the elevation and retest of self-leveling construction according to claim 1, further comprising a digital display meter electrically connected to the linear sensor to display the length of the portion of the auxiliary scale extending out of the lower end surface of the main scale.
6. The measuring scale for self-leveling construction elevation measurement and retest according to claim 5, wherein the linear sensor is a capacitive grid displacement sensor, the sensitive elements of the capacitive grid displacement sensor comprise a movable grid and a fixed grid, the fixed grid is fixed on the main scale and is equal to the main scale in length, the signal line of the capacitive grid displacement sensor is led out from the fixed grid, and the movable grid is arranged on the auxiliary scale;
the capacitance grid displacement sensor is in communication connection with the digital display meter through the signal line, the digital display meter is arranged on the main scale, and when relative displacement is generated between the fixed grid and the movable grid, mechanical displacement is converted into an electric signal through the capacitance grid displacement sensor and then is represented by a numerical value displayed by the digital display meter.
7. The measuring tape for self-leveling construction elevation measurement and retest according to claim 1, wherein a bubble leveler is provided at a top of the main scale.
8. The measuring scale of claim 1, wherein a transmission mechanism is arranged in the main scale, the auxiliary scale passes through the transmission mechanism and is connected with the main scale in a sliding manner, the transmission mechanism comprises a gear and an L-shaped folded plate, the L-shaped folded plate is fixedly connected to the inner wall of the main scale, a rotating shaft is fixedly connected to the center of the gear and sequentially penetrates through the L-shaped folded plate and the main scale and then extends outwards, a rack is arranged on the auxiliary scale and the corresponding surface of the gear, the rack is meshed with the gear teeth of the gear, and the rotating shaft is rotated to enable the main scale and the auxiliary scale to generate sliding displacement.
9. The measuring tape for measuring and retesting a self-leveling construction elevation as claimed in claim 8, wherein a braking mechanism is provided on an outward extending portion of the rotating shaft, the braking mechanism includes a plurality of braking pieces disposed around a circumferential direction of the rotating shaft, one end of the braking pieces is fixedly connected to a side wall of the main scale, the other end of the braking pieces is provided with an inclined protrusion, a fastening sleeve is sleeved on an outer side of the rotating shaft, an internal thread is provided in the fastening sleeve, external threads are provided on a surface of the inclined protrusion and a side surface of the rotating shaft, the fastening sleeve is in threaded connection with the braking pieces, the fastening sleeve is screwed to the surface of the inclined protrusion by screwing the fastening sleeve, the braking pieces press the rotating shaft to limit the rotation of the gear, and further brake the main scale and the auxiliary scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120645654.5U CN214372232U (en) | 2021-03-30 | 2021-03-30 | Measuring scale for self-leveling construction elevation measurement and retest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120645654.5U CN214372232U (en) | 2021-03-30 | 2021-03-30 | Measuring scale for self-leveling construction elevation measurement and retest |
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| Publication Number | Publication Date |
|---|---|
| CN214372232U true CN214372232U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120645654.5U Expired - Fee Related CN214372232U (en) | 2021-03-30 | 2021-03-30 | Measuring scale for self-leveling construction elevation measurement and retest |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397201A (en) * | 2021-12-17 | 2022-04-26 | 中建材创新科技研究院有限公司 | Method for determining gypsum self-leveling safe construction thickness |
-
2021
- 2021-03-30 CN CN202120645654.5U patent/CN214372232U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397201A (en) * | 2021-12-17 | 2022-04-26 | 中建材创新科技研究院有限公司 | Method for determining gypsum self-leveling safe construction thickness |
| CN114397201B (en) * | 2021-12-17 | 2023-12-12 | 中建材创新科技研究院有限公司 | Method for determining self-leveling safe construction thickness of gypsum |
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Granted publication date: 20211008 |