CN116026273B - Foundation pit measuring device - Google Patents
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- CN116026273B CN116026273B CN202310309916.4A CN202310309916A CN116026273B CN 116026273 B CN116026273 B CN 116026273B CN 202310309916 A CN202310309916 A CN 202310309916A CN 116026273 B CN116026273 B CN 116026273B
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Abstract
The invention relates to the technical field of measuring devices, in particular to a foundation pit measuring device which comprises a movable trolley, a workbench, a supporting part and a measuring line, wherein the workbench is arranged on the upper side of the movable trolley, the supporting part is fixed on the upper side of the workbench, the measuring line is slidably connected inside the supporting part, one end, far away from the movable trolley, of the measuring line is connected with a balancing weight, a wire collecting assembly is arranged on the upper side of the workbench, and the other end of the measuring line is fixedly connected with the wire collecting assembly. Support the device through travelling car, conveniently remove, support the measuring line through supporting part, throw into the foundation pit bottom with the measuring line other end, survey the length of measuring line, the contained angle between measuring line and the supporting part through the device, calculate the degree of depth that obtains the foundation pit, convenient to use is swift, carries out the accuracy height.
Description
Technical Field
The invention relates to the technical field of measuring devices, in particular to a measuring device for a foundation pit of a building engineering.
Background
The foundation pit is a soil pit excavated at a foundation design position according to the elevation of a substrate and the plane size of the foundation, and the depth of a foundation pit is excavated according to design requirements, so that the real excavation depth of the foundation pit needs to be measured by using a tool after the excavation of the foundation pit is completed, and the depth of the foundation pit is unfavorable for measurement and the measured data is not accurate enough because the slope of the foundation pit is an inclined plane.
The utility model provides a foundation ditch degree of depth measuring device of chinese patent application number CN2018210861960, its set up the measuring tape in the foundation pit to the scale on the measuring tape is markd through the caliber to realize the measurement to the foundation ditch degree of depth. However, in specific use, the measuring tape is inconvenient to fix, and the measuring device is easily shielded by site obstacles, so that the measurement of the device is affected.
The invention aims to solve the technical problems that: the foundation pit measuring device is designed, the foundation pit depth is conveniently measured, the influence of the external environment on the device is reduced, and the accuracy of foundation pit depth detection is improved.
Disclosure of Invention
In order to solve the problems, the invention provides a foundation pit measuring device.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a ground pit measuring device, includes travelling car, workstation, supporting part and measuring wire, the workstation sets up in the travelling car upside, and supporting part is fixed in the workstation upside, and measuring wire sliding connection is inside the supporting part, and the one end that travelling car was kept away from to the measuring wire is connected with the balancing weight, and the workstation upside is equipped with the line subassembly of receiving, and the measuring wire other end links firmly with the line subassembly of receiving.
As optimization, the travelling car include sweep and a plurality of auto-lock universal wheel, sweep level sets up, the upside of sweep evenly is equipped with a plurality of support cylinder, the downside of workstation is equipped with a plurality of connecting rod, the connecting rod with support the extension end of cylinder and pass through the bulb knot and be connected, the bottom surface of workstation is equipped with first inclination sensor.
As the optimization, receive line subassembly include receipts line shell, receipts line roller and receipts line motor, receive the line roller and set up in the receipts line shell inside, receive the output shaft of line motor with one of them fixedly connected with of receipts line roller, the measuring wire links firmly with receipts line roller, receive the line shell and be equipped with the receipts line mouth with the adjacent one side of supporting part, receive the line mouth outside and be equipped with two guide rolls, one of them one end of guide roll is equipped with angular velocity sensor.
As optimization, the support part comprises a first support arm, a second support arm and a third support arm, wherein the first support arm is fixed on the upper side of the workbench, the second support arm is in sliding connection with the inside of the first support arm, the third support arm is in sliding connection with the inside of the second support arm, a wiring channel is arranged in the inside of the third support arm, and the measuring line is in sliding connection with the inside of the wiring channel.
As optimization, the first supporting arm is horizontally fixed on the upper side of the workbench, a first accommodating groove is formed in the first supporting arm, the second supporting arm is connected in the first accommodating groove in a sliding mode, a first locking bolt is arranged on the side elevation of the first supporting arm, and the first locking bolt penetrates through the first supporting arm to be in contact with the side elevation of the second supporting arm;
the outside of first support arm is equipped with first distance sensor, the outside of second support arm is equipped with the pick-up plate, and the pick-up plate sets up with first distance sensor relatively, the pick-up plate is kept away from the one end contact of admission subassembly with first support arm.
As optimization, a second accommodating groove is formed in the second supporting arm, the third supporting arm is connected in the second accommodating groove in a sliding mode, sliding grooves are formed in the side elevation of the first supporting arm and the side elevation of the second supporting arm, and the sliding grooves penetrate through the first supporting arm and the second supporting arm;
the third supporting arm is provided with a second locking bolt, the second locking bolt is provided with a jacking sleeve, the second locking bolt is arranged in the sliding groove, and the jacking sleeve is in contact with the supporting part.
As optimization, one end of the third support arm adjacent to the wire winding assembly is provided with a guide block, the guide block is arc-shaped, a guide groove is formed in the guide block, the guide groove is communicated with the inside of the wire channel, and a second inclination sensor is arranged on the upper side of the middle of the third support arm.
As optimization, the second support arm be equipped with the fixing base with the adjacent one end of receipts line subassembly, be equipped with second distance sensor on the fixing base, second distance sensor's detection end sets up with the third support arm relatively, the fixing base sets up in the second holding tank, the bottom of second holding tank is equipped with the adjustment tank, the length of third support arm is greater than the length of second support arm.
As optimization, the one end downside that the line subassembly was kept away from to the third support arm is equipped with the spread groove, the spread groove is inside to be equipped with to rotate the connecting block, rotates the axle center department of connecting block and is equipped with angle sensor, be equipped with the through-hole in the rotation connecting block, the through-hole link up with walk the inside of line passageway.
As optimization, the device also comprises a controller, wherein the controller is connected with the second inclination angle sensor, the first distance sensor, the second distance sensor, the angle sensor, the angular velocity sensor, the wire winding motor and the supporting cylinder through lines.
The foundation pit measuring device has the advantages that:
the device is supported by the mobile trolley, the mobile device is convenient to move, the measuring line is supported by the supporting part, the other end of the measuring line is put into the bottom of the foundation pit, the length of the measuring line and the included angle between the measuring line and the supporting part are measured by the device, the depth of the foundation pit is calculated, the use is convenient and quick, and the accuracy is high;
the whole device can move along the periphery of the foundation pit, the measuring position is convenient to select, the second supporting arm and the third supporting arm can extend out of the upper side of the workbench, and the third supporting arm can rotate upwards, so that the supporting part can bypass an obstacle, the depth of the foundation pit is detected, the influence of topography is small, and the device is convenient and quick to use;
the first distance sensor is used for measuring the extension length of the second support arm, the second distance sensor is used for measuring the extension length of the third support arm, the controller and the angular velocity sensor are used for calculating the extension total length of the measuring line, the second inclination sensor and the angle sensor are used for measuring the inclination angle of the third support arm and the measuring line, the foundation affirmative depth is calculated according to the data, the calculation result is reliable, the detection data are not required to be read manually, and the measuring error can be effectively reduced.
Drawings
Fig. 1 is an isometric view of the present invention.
Fig. 2 is a schematic back side view of the present invention.
Fig. 3 is a schematic front view of the present invention.
Fig. 4 is a bottom isometric view of the invention.
Fig. 5 is a schematic side view of a third support arm shaft according to the present invention.
Fig. 6 is a schematic view illustrating a usage state of the first embodiment of the present invention.
Fig. 7 is a schematic view illustrating a usage state of the second embodiment of the present invention.
FIG. 8 is a schematic diagram showing the angular relationship of the calculation method according to the first embodiment of the present invention.
FIG. 9 is a schematic diagram showing the angular relationship of the calculation method according to the second embodiment of the present invention.
The device comprises a vehicle plate, a self-locking universal wheel, a supporting cylinder, a ball joint, a first inclination sensor, a 6, a wire collecting shell, a 7, a wire collecting motor, a 8, a guide roller, a 9, a measuring wire, a 10, a balancing weight, a 11, an angular velocity sensor, a 12, a first support arm, a 13, a second support arm, a 14, a third support arm, a 15, a wiring channel, a 16, a first locking bolt, a 17, a first distance sensor, a 18, a detection plate, a 19, a sliding groove, a 20, a second locking bolt, a 21, a jacking sleeve, a 22, a guide block, a 23, a guide groove, a 24, a second inclination sensor, a 25, a second distance sensor, a 26, a rotating connecting block, a 27, an angle sensor, a 28 and a through hole.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
As shown in fig. 1 and 6, the foundation pit measuring device comprises a movable trolley, a workbench, a supporting part and a measuring line 9, wherein the workbench is arranged on the upper side of the movable trolley, the supporting part is fixed on the upper side of the workbench, the measuring line 9 is slidably connected inside the supporting part, one end, far away from the movable trolley, of the measuring line 9 is connected with a balancing weight 10, a wire collecting assembly is arranged on the upper side of the workbench, and the other end of the measuring line 9 is fixedly connected with the wire collecting assembly.
As shown in fig. 1 and 2, the mobile trolley comprises a trolley board 1 and a plurality of self-locking universal wheels 2, the trolley board 1 is horizontally arranged, a plurality of supporting cylinders 3 are uniformly arranged on the upper side of the trolley board 1, a plurality of connecting rods are arranged on the lower side of the workbench, the connecting rods are connected with the extending ends of the supporting cylinders 3 through ball joints 4, and a first inclination sensor 5 is arranged on the bottom surface of the workbench.
As shown in fig. 1 and 6, the winding assembly comprises a winding shell 6, a winding roller and a winding motor 7, the winding roller is arranged inside the winding shell 6, an output shaft of the winding motor 7 is fixedly connected with one of the winding rollers, a measuring wire 9 is fixedly connected with the winding roller, a winding opening is formed in one side, adjacent to a supporting portion, of the winding shell 6, two guide rollers 8 are arranged outside the winding opening, and an angular velocity sensor 11 is arranged at one end of each guide roller 8.
As shown in fig. 5 and 6, the supporting portion includes a first supporting arm 12, a second supporting arm 13 and a third supporting arm 14, where the first supporting arm 12 is fixed on the upper side of the workbench, the second supporting arm 13 is slidably connected inside the first supporting arm 12, the third supporting arm 14 is slidably connected inside the second supporting arm 13, a wire channel 15 is provided inside the third supporting arm 14, and the measuring wire 9 is slidably connected inside the wire channel 15.
As shown in fig. 1, the first support arm 12 is horizontally fixed on the upper side of the workbench, a first accommodating groove is formed in the first support arm 12, the second support arm 13 is slidably connected in the first accommodating groove, a first locking bolt 16 is arranged on a side elevation of the first support arm 12, and the first locking bolt 16 passes through the first support arm 12 to be in contact with a side elevation of the second support arm 13;
as shown in fig. 1, a first distance sensor 17 is disposed on the outer side of the first support arm 12, a detection plate 18 is disposed on the outer side of the second telescopic arm, the detection plate 18 is disposed opposite to the first distance sensor 17, and the detection plate 18 contacts with one end of the first support arm 12 away from the wire winding assembly.
As shown in fig. 1 and 2, a second accommodating groove is formed in the second supporting arm 13, the third supporting arm 14 is slidably connected in the second accommodating groove, a sliding groove 19 is formed in a side elevation of the first supporting arm 12 and a side elevation of the second supporting arm 13, and the sliding groove 19 penetrates through the first supporting arm 12 and the second supporting arm 13;
as shown in fig. 1 and 2, the third supporting arm 14 is provided with a second locking bolt 20, the second locking bolt 20 is provided with a tightening sleeve 21, the second locking bolt 20 is disposed in the sliding groove 19, and the tightening sleeve 21 is in contact with the supporting portion.
As shown in fig. 1 and 5, a guide block 22 is disposed at an end of the third support arm 14 adjacent to the wire winding assembly, the guide block 22 is in a circular arc shape, a guide groove 23 is disposed in the guide block 22, the guide groove 23 is communicated with the interior of the wire channel 15, and a second inclination sensor 24 is disposed at an upper side of a middle portion of the third support arm 14.
As shown in fig. 3, a fixing seat is disposed at one end of the second supporting arm 13 adjacent to the wire winding assembly, a second distance sensor 25 is disposed on the fixing seat, a detection end of the second distance sensor 25 is disposed opposite to the third supporting arm 14, the fixing seat is disposed in the second accommodating groove, an adjusting groove is disposed at the bottom of the second accommodating groove, and the length of the third supporting arm 14 is greater than that of the second supporting arm 13.
As shown in fig. 4 and 5, a connecting groove is arranged at the lower side of one end of the third support arm 14, which is far away from the wire winding assembly, a rotating connecting block 26 is arranged in the connecting groove, an angle sensor 27 is arranged at the axle center of the rotating connecting block 26, a through hole 28 is arranged in the rotating connecting block 26, and the through hole 28 is communicated with the interior of the wire running channel 15.
The device also comprises a controller, wherein the controller is connected with the second inclination angle sensor 24, the first inclination angle sensor 5, the first distance sensor 17, the second distance sensor 25, the angle sensor 27, the angular velocity sensor 11, the wire winding motor 7 and the supporting cylinder 3 through circuits.
The position of the controller in the scheme is set by the working personnel according to actual conditions, and the controller is used for controlling the used electric devices in the scheme, including but not limited to sensors, motors, telescopic rods, water pumps, electromagnetic valves, heating wires, heat pumps, display screens, computer input equipment, switch buttons, communication equipment, lamps, loudspeakers and microphones; the controller is an Intel processor, an AMD processor, a PLC controller, an ARM processor or a singlechip, and also comprises a main board, a memory bank, a storage medium and a power supply which is matched with the controller for use, wherein the power supply is a commercial power or a lithium battery; when the display screen is provided, a display card is also provided; regarding the operation principle of the controller, please refer to the automatic control principle, the microcontroller principle and the application simulation case, and the sensor principle and application published by the university of Qinghai press, and other books in the field can be read by reference; other non-mentioned automation control and power utilization devices are well known to those skilled in the art and will not be described in detail herein.
The using method comprises the following steps:
when in use, the third support arm 14 is accommodated in the second support arm 13, the second support arm 13 is accommodated in the first support arm 12, and the measuring wire 9 is retracted through the wire retracting motor 7;
pushing the mobile trolley to enable the whole device to be close to a foundation pit, detecting the inclination condition of a workbench of the first inclination sensor 5, and controlling the support cylinder 3 to extend or retract to enable the workbench to be horizontal by a controller;
as shown in the first embodiment of fig. 6, when the traveling carriage approaches the pit of the foundation without an obstacle higher than the bottom surface of the supporting portion between the traveling carriage and the pit of the foundation, the second supporting arm 13 is moved outward along the first receiving groove until the rotational connecting block 26 is located at the upper side of the pit of the foundation, the first locking bolt 16 and the second locking bolt 20 are tightened, locking the positions of the second supporting arm 13 and the third supporting arm 14, wherein the inclination angle detected by the first inclination sensor 5 and the second inclination sensor 24 is 0;
the controller controls the wire winding motor 7 to operate, the measuring wire 9 is released, the balancing weight 10 reaches the bottom surface of the foundation pit, the measuring wire 9 is in a straight line state, the descending length b of the balancing weight 10 is calculated through the speed of the angular velocity sensor 11 and the wire releasing time length, and the calculation relation is shown in fig. 8;
wherein b is the run length of the measuring wire 9;
alpha is the rotation angle of the rotating connection block 26 measured by the angle sensor 27;
c is the length of the support section/the original length of the measuring wire 9;
d is the extension distance of the second support arm 13 detected by the first distance sensor 17;
a is the depth of a foundation pit, and a=bsin alpha;
in the second embodiment shown in fig. 7, when there is a higher obstacle around the pit of the foundation, the moving trolley cannot approach or the supporting part horizontally extends out and cannot be measured, the position of the second supporting arm 13 is adjusted according to the distance between the moving trolley and the pit of the foundation, and the position of the second supporting arm 13 is locked by the first locking bolt 16;
after the third supporting arm 14 is moved to a proper position along the second accommodating groove, the outer end of the third supporting arm 14 is lifted upwards, the third supporting arm 14 is in an inclined state, the rotary connecting block 26 is positioned on the upper side of the foundation pit, no shielding exists between the rotary connecting block 26 and the bottom surface of the foundation pit, and the position of the third supporting arm 14 is locked through the second locking bolt 20;
the controller controls the winding motor 7 to operate, so that the measuring line 9 is released, the balancing weight 10 is placed at the bottom of the foundation pit, the measuring line 9 between the balancing weight 10 and the rotating connecting block 26 is tightened, and the controller calculates the depth of the foundation pit, wherein the calculation relation is shown in figure 9;
where f is the sum of the moving distance of the third support arm 14 detected by the second distance sensor 25 and the moving distance of the second support arm 13 detected by the first distance sensor 17;
where d is the length of the third support arm 14;
b+c is the distance between the rotary connection block 26 and the counterweight 10;
alpha is the rotation angle of the third support arm 14;
γ=pi- δ - β, where δ is the rotation angle of the rotational connection block 26 detected by the angle sensor 27;
b=l-f-c, where l is the initial length d+the extension length of the measuring line 9;
wherein c=e·arccosγ, l, f are known;
a=b·cosγ；
a=[l-f-d·sinα·arccos（π-δ-β）]·cos（π-δ-β）。
in sum, the measuring device of the application can conveniently measure near the foundation pit, and can avoid the obstacle to measure the depth of the foundation pit when the foundation pit cannot be approached, so that the measuring device is convenient to use and accurate in detection.
The foregoing embodiments are merely specific examples of the present invention, and the scope of the present invention includes, but is not limited to, the form and style of the product of the foregoing embodiments, any suitable change or modification of the foundation pit measuring device according to the claims of the present invention by any person skilled in the art shall fall within the scope of the present invention.
Claims (3)
1. A foundation pit measuring device which is characterized in that: the automatic wire winding device comprises a movable trolley, a workbench, a supporting part and a measuring wire, wherein the workbench is arranged on the upper side of the movable trolley, the supporting part is fixed on the upper side of the workbench, the measuring wire is slidably connected inside the supporting part, one end, far away from the movable trolley, of the measuring wire is connected with a balancing weight, a wire winding assembly is arranged on the upper side of the workbench, and the other end of the measuring wire is fixedly connected with the wire winding assembly;
the movable trolley comprises a trolley plate and a plurality of self-locking universal wheels, wherein the trolley plate is horizontally arranged, a plurality of supporting cylinders are uniformly arranged on the upper side of the trolley plate, a plurality of connecting rods are arranged on the lower side of the workbench, the connecting rods are connected with the extending ends of the supporting cylinders through ball joints, and a first inclination sensor is arranged on the bottom surface of the workbench;
the support part comprises a first support arm, a second support arm and a third support arm, wherein the first support arm is fixed on the upper side of the workbench, the second support arm is connected inside the first support arm in a sliding manner, the third support arm is connected inside the second support arm in a sliding manner, a wiring channel is arranged inside the third support arm, and the measuring wire is connected inside the wiring channel in a sliding manner;
the first support arm is horizontally fixed on the upper side of the workbench, a first accommodating groove is formed in the first support arm, the second support arm is connected in the first accommodating groove in a sliding mode, a first locking bolt is arranged on the side elevation of the first support arm, and the first locking bolt penetrates through the first support arm to be in contact with the side elevation of the second support arm;
the outer side of the first supporting arm is provided with a first distance sensor, the outer side of the second supporting arm is provided with a detection plate, the detection plate is arranged opposite to the first distance sensor, and the detection plate is contacted with one end of the first supporting arm far away from the wire winding assembly;
the second supporting arm is internally provided with a second accommodating groove, the third supporting arm is connected in the second accommodating groove in a sliding way, the side elevation of the first supporting arm and the side elevation of the second supporting arm are respectively provided with a sliding groove, and the sliding grooves penetrate through the first supporting arm and the second supporting arm;
the third supporting arm is provided with a second locking bolt, the second locking bolt is provided with a jacking sleeve, the second locking bolt is arranged in the sliding groove, and the jacking sleeve is in contact with the supporting part;
one end of the third support arm adjacent to the wire collecting assembly is provided with a guide block, the guide block is in the shape of an arc, a guide groove is formed in the guide block, the guide groove is communicated with the inside of the wire channel, and a second inclination sensor is arranged on the upper side of the middle of the third support arm;
the one end downside that the line subassembly was kept away from to the third support arm is equipped with the spread groove, the spread groove is inside to be equipped with to rotate the connecting block, rotates the axle center department of connecting block and is equipped with angle sensor, be equipped with the through-hole in the rotation connecting block, the through-hole is inside to link up with the wiring passageway.
2. The foundation pit measuring device according to claim 1, wherein: the wire winding assembly comprises a wire winding shell, a wire winding roller and a wire winding motor, wherein the wire winding roller is arranged inside the wire winding shell, an output shaft of the wire winding motor is fixedly connected with one end of the wire winding roller, a measuring wire is fixedly connected with the wire winding roller, a wire winding opening is formed in one side, adjacent to the supporting portion, of the wire winding shell, two guide rollers are arranged outside the wire winding opening, and an angular velocity sensor is arranged at one end of each guide roller.
3. The foundation pit measuring device according to claim 1, wherein: the utility model discloses a wire winding device, including the first support arm, the second support arm, the first support arm, the second support arm be equipped with the fixing base with the adjacent one end of receipts line subassembly, be equipped with second distance sensor on the fixing base, second distance sensor's detection end sets up with the third support arm relatively, the fixing base sets up in the second holding tank, the bottom of second holding tank is equipped with the adjustment tank, the length of third support arm is greater than the length of second support arm.
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| CN202310309916.4A CN116026273B (en) | 2023-03-28 | 2023-03-28 | Foundation pit measuring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN216593179U (en) * | 2021-09-28 | 2022-05-24 | 武汉华太岩土工程有限公司 | Foundation pit depth measuring device |
| CN218329900U (en) * | 2022-10-20 | 2023-01-17 | 胡辉 | Foundation pit support deviation monitoring devices |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN211902257U (en) * | 2020-04-16 | 2020-11-10 | 崔召华 | Foundation pit deformation monitoring device |
| CN213238814U (en) * | 2020-10-27 | 2021-05-18 | 海南三润勘测设计有限公司 | Equipment for measuring depth of foundation pit |
| CN214276770U (en) * | 2020-12-21 | 2021-09-24 | 天津地信测绘科技有限公司 | Foundation pit depth measuring device for foundation pit monitoring |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216593179U (en) * | 2021-09-28 | 2022-05-24 | 武汉华太岩土工程有限公司 | Foundation pit depth measuring device |
| CN218329900U (en) * | 2022-10-20 | 2023-01-17 | 胡辉 | Foundation pit support deviation monitoring devices |
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