Deep foundation pit engineering measuring device

Abstract

The utility model discloses a deep foundation pit engineering measuring device which comprises a base plate and a machine case arranged on the base plate, a plurality of leveling nuts are rotationally arranged above the base plate in a rectangular array mode, a plurality of lifting screws are arranged below the machine case in a rectangular array mode, the lifting screws are in threaded connection with the leveling nuts, and the leveling nuts are in threaded connection with the lifting screws. The lifting screw can be adjusted to ascend and descend by rotating the leveling nut, the machine box can be horizontally adjusted, an angle dial is arranged on one side of the machine box, a thread rope opening is formed in the position, located in the middle of the angle dial, of the side face of the machine box, and a measuring thread roller is rotationally arranged in the machine box. The measuring line roller is arranged on the base, the measuring line rope is wound on the measuring line roller, the end of the measuring line rope penetrates through the line rope opening, the angle of the inclined face of the deep foundation pit can be obtained without fixed-point measurement, the land subsidence heights of the two measuring points can be calculated through the method, the measuring modes of the device are more and simpler, and the measuring efficiency is improved. And multi-data measurement of the deep foundation pit is effectively met.

Description

Technical Field

[0001] The utility model relates to the technical field of deep foundation pit measurement, in particular to a deep foundation pit engineering measurement device. Background Art

[0002] In civil construction, deep foundation pit projects refer to excavation depths exceeding five meters or three basement floors. As the number of deep foundation pit projects is increasing and their scale is getting larger and larger, the settlement and inclination measurement and monitoring of deep foundation pit projects during their construction has become an indispensable and important part of civil construction. At the same time, it is necessary to measure the angle of the slope of the deep foundation pit in order to better support the slope.

[0003] The existing measurement of various data of deep foundation pit engineering is all done manually. For example, settlement and inclination measurement is done by technicians who use a level to manually measure on site and then manually calculate a large amount of data.

[0004] The utility model patent with the publication number CN114753418B discloses a settlement and inclination measurement and monitoring device for deep foundation pit engineering during civil construction, including a support seat, the upper end of the support seat is rotatably connected to a U-shaped plate, the upper end of the U-shaped plate is fixedly connected to a fixed plate, the side wall of the fixed plate is provided with a through groove, a testing mechanism is provided in the through groove, the upper end of the fixed plate is provided with a strip cavity, a displacement sensor is installed in the strip cavity, and the displacement sensor is coupled and connected to an external control system. In the present invention, when the fixed plate is tilted, multiple counterweight balls will tilt synchronously to deform multiple airbags, thereby driving the first plate to slide on the inner wall of the strip cavity. At this time, the displacement sensor can measure the displacement data of the test plate, and can measure and detect the settlement and inclination of the deep foundation pit engineering according to the tilt direction of the fixed plate, so that technical personnel can analyze the settlement and inclination of the deep foundation pit engineering;

[0005] However, the above technical solution only measures the ground settlement of the deep foundation pit, and the measurement method and measurement data are single, and it is impossible to measure other data of the deep foundation pit, such as the deep foundation pit slope angle, the deep foundation pit length, etc. Utility Model Content

[0006] The utility model aims to provide a deep foundation pit engineering measurement device to solve the above-mentioned background problems.

[0007] The purpose of the utility model can be achieved through the following technical solutions:

[0008] A deep foundation pit engineering measurement device comprises a base plate and a chassis arranged on the base plate, a plurality of leveling nuts are rotatably arranged in a rectangular array on the upper side of the base plate, a plurality of lifting screws are rotatably arranged in a rectangular array on the lower side of the chassis, and the plurality of lifting screws are respectively threadedly connected with the plurality of leveling nuts;

[0009] An angle dial is provided on one side of the chassis, a rope opening is provided on the side of the chassis and in the middle of the angle dial, a measuring line roller is rotatably provided inside the chassis, a measuring line is wound on the measuring line roller, and an end of the measuring line passes through the rope opening;

[0010] A height scale is arranged on the substrate and located on one side of the chassis.

[0011] As a further solution of the utility model: a plurality of rotating grooves are provided in a rectangular array on the base plate, a rotating seat is rotatably arranged in the rotating groove, and a plurality of the rotating seats are fixedly connected to a plurality of the leveling nuts.

[0012] As a further solution of the utility model: a plurality of supporting balls are rotatably arranged inside the rotating groove, and the rotating seat is rotatably arranged on the supporting balls.

[0013] As a further solution of the utility model: a driving pulley is provided at one end of the measuring line roller;

[0014] A transceiver motor is arranged inside the chassis, a power pulley is arranged on the output end of the transceiver motor, and the power pulley is connected to the transmission pulley through a belt.

[0015] As a further solution of the utility model: an alignment component is arranged in the chassis and between the measuring line roller and the line rope opening;

[0016] The alignment assembly includes a slide bar disposed in the chassis;

[0017] A sliding block is slidably arranged on the sliding rod, and a wire passing ring is arranged on the sliding block.

[0018] As a further solution of the utility model: a power slide groove is provided on the slide rod, and an alignment screw is rotatably provided in the middle of the slide rod;

[0019] A connecting block is arranged inside the sliding block, and the connecting block is slidably arranged in the power sliding groove, and the connecting block is threadedly connected with the alignment screw.

[0020] As a further solution of the utility model: one end of the slide rod is fixedly connected to the chassis via a fixing frame, an alignment motor is arranged inside the fixing frame, and an output end of the alignment motor is fixedly connected to one end of the alignment screw.

[0021] As a further solution of the utility model: the central axis of the sliding rod and the central axis of the measuring line roller are parallel to each other.

[0022] As a further solution of the utility model: the central axis of the sliding rod and the central axis of the wire passing ring are perpendicular to each other.

[0023] As a further solution of the utility model: a bubble level is arranged above the chassis.

[0024] Beneficial effects of the utility model:

[0025] In the present invention, by placing the chassis and the base plate in the deep foundation pit to be measured, and then passing the measuring rope through the rope opening, and straightening the measuring rope along the deep foundation pit slope, the angle scale indicated by the measuring rope can be obtained from the angle scale plate, that is, the angle of the deep foundation pit slope can be measured; during the measurement process, the device can be placed on the horizontal ground outside the deep foundation pit, so that the measuring rope is straightened downward along the deep foundation pit slope to measure the angle of the deep foundation pit slope, and the device can be placed at the bottom of the deep foundation pit, so that the measuring rope is straightened upward along the deep foundation pit slope to measure the angle of the deep foundation pit slope, without the need for fixed-point measurement, and the measurement is accurate;

[0026] Secondly, point-to-point pulling measurement can be performed directly through the measuring line, and the distance between two points can be obtained according to the length of the measuring line;

[0027] In addition, a height scale is set on the base plate and on one side of the chassis. If it is necessary to measure the ground height difference between two points, two measuring devices can be taken and placed at two measuring points respectively, and then leveled. During leveling, it is necessary to ensure that the heights between the two chassis and the base plate are the same, that is, it can be observed and determined at the height scale, and then the measuring rope in one chassis is pulled to the rope mouth on the side of the other chassis, and then the inclination angle of the measuring rope is observed, and then the ground height difference at the two measuring points can be calculated by the stretched length value and the inclination angle value of the measuring rope; similarly, this method can also be used to calculate the ground settlement height at the two measuring points; this makes the measurement method of the device more numerous and simple, and effectively meets the multi-data measurement of deep foundation pits. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The utility model is further described below in conjunction with the accompanying drawings.

[0029] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0030] Figure 2 It is a cross-sectional schematic diagram of the connection structure between the measuring line roller and the chassis in the utility model;

[0031] Figure 3 It is a cross-sectional schematic diagram of the connection structure between the sliding block and the sliding rod in the utility model;

[0032] Figure 4This is a schematic diagram of the connection structure between the rotating seat and the base plate in the utility model;

[0033] Figure 5 It is a use schematic diagram of the utility model.

[0034] In the figure: 1. chassis; 10. cord opening; 11. bubble level; 12. angle dial; 13. lifting screw; 2. base plate; 20. height scale; 21. leveling nut; 210. rotating groove; 211. rotating seat; 212. supporting ball; 3. measuring line roller; 30. measuring cord; 31. driving pulley; 32. reciprocating motor; 321. power pulley; 4. alignment assembly; 40. alignment motor; 401. fixing frame; 41. sliding rod; 410. power slide groove; 411. alignment screw; 42. sliding block; 421. connecting block; 43. wire ring. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] See also Figure 1 and Figure 2 As shown, the utility model is a deep foundation pit engineering measurement device, comprising a base plate 2 and a chassis 1 arranged on the base plate 2, a plurality of leveling nuts 21 are rotatably arranged in a rectangular array above the base plate 2, and a plurality of lifting screws 13 are arranged in a rectangular array below the chassis 1, and the lifting screws 13 are threadedly connected with the leveling nuts 21. By rotating the leveling nuts 21, the lifting screws 13 can be adjusted to rise and fall, and the chassis 1 can be further adjusted to be horizontal, so as to improve the accuracy of the measurement;

[0037] In addition, an angle scale plate 12 is provided on one side of the chassis 1, and a cord opening 10 is provided on the side of the chassis 1 and in the middle of the angle scale plate 12. At the same time, a measuring line roller 3 is rotatably provided inside the chassis 1, and a measuring line 30 is wound around the measuring line roller 3, and the end of the measuring line 30 is passed through the cord opening 10;

[0038] By placing the chassis 1 and the base plate 2 in the deep foundation pit to be measured, and then passing the measuring rope 30 out of the rope opening 10, and straightening the measuring rope 30 along the deep foundation pit slope, the angle scale indicated by the measuring rope 30 can be obtained from the angle dial 12, that is, the angle of the deep foundation pit slope can be measured; during the measurement process, the device can be placed on the horizontal ground outside the deep foundation pit, so that the measuring rope 30 is straightened downward along the deep foundation pit slope to measure the angle of the deep foundation pit slope, and the device can be placed at the bottom of the deep foundation pit, so that the measuring rope 30 is straightened upward along the deep foundation pit slope to measure the angle of the deep foundation pit slope, without the need for fixed-point measurement, and the measurement is accurate;

[0039] Secondly, point-to-point pulling measurement is performed directly through the measuring line 30, and the distance between two points can be obtained according to the length of the measuring line 30;

[0040] In addition, if Figure 5 As shown, a height scale 20 is set on the base plate 2 and on one side of the chassis 1. If it is necessary to measure the ground height difference between two points, two measuring devices can be taken and placed at two measuring points respectively, and then leveled. During leveling, it is necessary to ensure that the heights between the two chassis 1 and the base plate 2 are the same, that is, it can be observed and determined at the height scale 20, and then the measuring rope 30 in one chassis 1 is pulled to the rope mouth 10 on the side of the other chassis 1, and then the inclination angle of the measuring rope 30 is observed, and then the ground height difference at the two measuring points can be calculated by the stretched length value and the inclination angle value of the measuring rope 30; similarly, this method can also be used to calculate the ground settlement height at the two measuring points; for example, the angle between the measuring rope 30 and the horizontal plane is θ, and the length of the measuring rope 30 is L, then the ground settlement height H can be calculated by the cosine function; this makes the measurement method of the device more and simpler, and effectively meets the multi-data measurement of deep foundation pits.

[0041] For the leveling structure of the device, refer to Figure 1 and Figure 4 As shown, a plurality of rotating grooves 210 are provided in a rectangular array on the base plate 2, and a rotating seat 211 is rotatably arranged in the rotating groove 210, and the rotating seat 211 is fixedly connected to the leveling nut 21 respectively;

[0042] Then, a number of supporting balls 212 are rotatably set inside the rotating groove 210, and the rotating seat 211 is rotatably set on the supporting balls 212; by placing the substrate 2 at the measuring point and then rotating the four leveling nuts 21, the chassis 1 can be leveled. During the leveling process, by observing the bubble level 11 set above the chassis 1, it can be determined whether the chassis 1 is in a horizontal state. The leveling method is simple and easy to operate.

[0043] For the installation method of the measuring cord 30, refer to Figure 1 , Figure 2 and Figure 3 As shown, a driving pulley 31 is firstly provided at one end of the measuring line roller 3;

[0044] A reciprocating motor 32 is arranged inside the chassis 1, a power pulley 321 is arranged on the output end of the reciprocating motor 32, and the power pulley 321 is connected to the driving pulley 31 through a belt; the reciprocating motor 32 can control the retraction and extension of the measuring line 30 on the measuring line roller 3;

[0045] In order to ensure the neatness and stability of the measuring wire 30 during the process of retracting and releasing, an alignment component 4 is provided in the chassis 1 and between the measuring wire roller 3 and the wire opening 10. During the process of retracting and releasing the measuring wire 30, the alignment component 4 can ensure the neatness and stability of the measuring wire 30 during the process of retracting and releasing;

[0046] Specifically, refer to Figure 2 and Figure 3 As shown, the alignment assembly 4 includes a slide bar 41 disposed in the chassis 1; a slide block 42 is slidably disposed on the slide bar 41, and a wire loop 43 is disposed on the slide block 42, wherein the central axis of the slide bar 41 is parallel to the central axis of the measuring wire roller 3, and the central axis of the slide bar 41 is perpendicular to the central axis of the wire loop 43, thereby ensuring the accuracy of the measuring wire rope 30 during the process of retracting and releasing;

[0047] Secondly, a power slide groove 410 is provided on the slide rod 41, and then an alignment screw 411 is rotated and set in the middle of the slide rod 41; a connecting block 421 is then set inside the sliding block 42, and then the connecting block 421 is slidably set in the power slide groove 410 and threadedly connected with the alignment screw 411;

[0048] At the same time, one end of the slide rod 41 is fixedly connected to the chassis 1 through the fixed frame 401, and then an alignment motor 40 is arranged inside the fixed frame 401, and then the output end of the alignment motor 40 is fixedly connected to one end of the alignment screw 411. During the retraction and release of the measuring rope 30, the alignment screw 411 is driven to rotate by the alignment motor 40, which can drive the sliding block 42 to slide on the slide rod 41, and then drive the wire ring 43 to move, ensuring that during the retraction and release of the measuring rope 30, the wire ring 43 can neatly wind the measuring rope 30 on the measuring line roller 3, thereby ensuring the neatness of the measuring rope 30 and thus ensuring the stability of the retraction and release of the measuring rope 30.

[0049] The working principle of this utility model:

[0050] When in use, the device is placed on the horizontal ground outside the deep foundation pit, and then the device is started. By manually straightening the measuring rope 30, the measuring rope 30 is pulled along the slope of the deep foundation pit to the bottom of the deep foundation pit, and the angle scale indicated by the measuring rope 30 can be obtained from the angle dial 12, that is, the angle of the slope of the deep foundation pit is measured;

[0051] If the length of a deep foundation pit needs to be measured by the device, the device can be placed at the measurement start position, and then the device can be started, and the measuring line 30 can be pulled to the end point to obtain the measured length;

[0052] If it is necessary to measure the ground height difference between two points, two measuring devices can be taken and placed at two measuring points respectively, and then leveled. During leveling, it is necessary to ensure that the heights between the two chassis 1 and the base plate 2 are the same, that is, it can be observed and determined at the height scale 20, and then the measuring rope 30 in one chassis 1 is pulled to the rope opening 10 on the side of the other chassis 1, and then the inclination angle of the measuring rope 30 is observed, and then the ground height difference at the two measuring points can be calculated by the stretched length value and the inclination angle value of the measuring rope 30; similarly, the ground settlement height at the two measuring points can also be calculated using this method;

[0053] After the measurement is completed, the device is closed and the measuring line roller 3 retracts the measuring line 30 .

[0054] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A deep foundation pit engineering measurement device, comprising a base plate (2) and a chassis (1) arranged on the base plate (2), characterized in that: A plurality of leveling nuts (21) are rotatably arranged in a rectangular array above the base plate (2), and a plurality of lifting screws (13) are rotatably arranged in a rectangular array below the chassis (1), wherein the plurality of lifting screws (13) are respectively threadedly connected to the plurality of leveling nuts (21); An angle scale (12) is provided on one side of the chassis (1), a cord opening (10) is provided on the side of the chassis (1) and in the middle of the angle scale (12), a measuring line roller (3) is rotatably provided inside the chassis (1), a measuring line (30) is wound around the measuring line roller (3), and an end of the measuring line (30) passes through the cord opening (10); A height scale (20) is provided on the base plate (2) and located on one side of the chassis (1).

2. A deep foundation pit engineering measurement device according to claim 1, characterized in that: A plurality of rotating grooves (210) are provided in a rectangular array on the base plate (2), a rotating seat (211) is rotatably arranged in the rotating groove (210), and the plurality of rotating seats (211) are fixedly connected to the plurality of leveling nuts (21).

3. A deep foundation pit engineering measurement device according to claim 2, characterized in that: A plurality of supporting balls (212) are rotatably arranged inside the rotating groove (210), and the rotating seat (211) is rotatably arranged on the supporting balls (212).

4. A deep foundation pit engineering measurement device according to claim 1, characterized in that: A transmission pulley (31) is provided at one end of the measuring line roller (3); A transceiver motor (32) is arranged inside the chassis (1), a power pulley (321) is arranged on the output end of the transceiver motor (32), and the power pulley (321) is connected to the transmission pulley (31) via a belt.

5. A deep foundation pit engineering measurement device according to claim 1, characterized in that: An alignment component (4) is provided in the chassis (1) and between the measuring line roller (3) and the line opening (10); The alignment component (4) comprises a sliding rod (41) arranged in the chassis (1); A sliding block (42) is slidably disposed on the sliding rod (41), and a wire passing ring (43) is disposed on the sliding block (42).

6. A deep foundation pit engineering measurement device according to claim 5, characterized in that: The slide bar (41) is provided with a power slide groove (410), and an alignment screw (411) is rotatably provided in the middle of the slide bar (41); A connecting block (421) is disposed inside the sliding block (42). The connecting block (421) is slidably disposed in the power sliding groove (410). The connecting block (421) is threadedly connected to the alignment screw (411).

7. A deep foundation pit engineering measurement device according to claim 6, characterized in that: One end of the sliding rod (41) is fixedly connected to the chassis (1) via a fixing frame (401), an alignment motor (40) is arranged inside the fixing frame (401), and an output end of the alignment motor (40) is fixedly connected to one end of the alignment screw rod (411).

8. A deep foundation pit engineering measurement device according to claim 7, characterized in that: The central axis of the sliding rod (41) and the central axis of the measuring line roller (3) are parallel to each other.

9. A deep foundation pit engineering measurement device according to claim 8, characterized in that: The central axis of the sliding rod (41) and the central axis of the wire passing ring (43) are perpendicular to each other.

10. A deep foundation pit engineering measurement device according to claim 1, characterized in that: A bubble level (11) is arranged above the chassis (1).

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