CN108458687B

CN108458687B - Foundation settlement measuring device

Info

Publication number: CN108458687B
Application number: CN201810274046.0A
Authority: CN
Inventors: 张维
Original assignee: Jiangsu Institute of Architectural Technology
Current assignee: Jiangsu Institute of Architectural Technology
Priority date: 2018-03-29
Filing date: 2018-03-29
Publication date: 2023-06-20
Anticipated expiration: 2038-03-29
Also published as: CN108458687A

Abstract

The invention provides a foundation settlement measuring device which comprises at least one concrete reference table embedded in a foundation, at least two measuring rods provided with scales and a laser generator which can be installed on the measuring rods, wherein the bottoms of the measuring rods are provided with fixing components, each fixing component comprises a reference disc, an inserting rod is arranged below each reference disc, each measuring rod is installed above each reference disc, a plurality of compacting blocks and a driving component for controlling the compacting blocks to move are circumferentially arranged inside each inserting rod, each generator installation seat comprises a controllable magnetic seat and an extension plate arranged on one side of each magnetic seat, each extension plate is provided with an angle-adjustable installation plate, and each laser generator is rotatably installed on each installation plate. The device has strong universality, can be quickly installed and used on a measuring site, and has small error of a measuring result and high efficiency.

Description

Foundation settlement measuring device

Technical Field

The invention mainly relates to the technical field of engineering measurement, in particular to a foundation settlement measurement device.

Background

The settlement of the roadbed and the foundation is unavoidable during the construction process of the road and after completion, and in order to ensure the use safety, the settlement of the foundation needs to be measured regularly to observe and record the settlement of the foundation. The existing common methods comprise automatic measurement and manual measurement, the automatic real-time measurement cost is high, and the automatic real-time measurement is difficult to maintain, while the traditional manual measurement requires the measurement of a handheld measuring rod, and has the defects of large error, difficult adjustment and carrying and low measurement efficiency.

Disclosure of Invention

In order to solve the defects of the prior art, the invention combines the prior art, and provides the foundation settlement measuring device which has strong universality, can be quickly installed and used on a measuring site, and has small error of measuring results and high efficiency.

In order to achieve the above purpose, the technical scheme of the invention is as follows:

the utility model provides a foundation settlement measuring device, includes at least one buries the concrete benchmark platform in the foundation, still includes two at least measuring sticks that are provided with the scale and a mountable laser generator on the measuring sticks, the measuring sticks bottom sets up fixed subassembly, fixed subassembly includes a benchmark dish, benchmark dish below sets up the inserted bar, and the measuring sticks are installed in benchmark dish top, are provided with the drive assembly of a plurality of compact heap and control compact heap activity in the inside circumference of inserted bar the benchmark dish top is provided with a hand wheel, the hand wheel passes through drive assembly and connects the compact heap, is provided with a plurality of open slot corresponding with the compact heap on the inserted bar lateral wall, rotates the hand wheel accessible drive assembly control compact heap stretches out or withdraws to the inside of the inserted bar by the open slot, and the accessible is stretched out the compact heap and is realized firm fixed of inserted bar around the tight after the inserted bar, the laser generator passes through the generator mount pad and fixes on the benchmark dish, the generator mount pad includes a controllable magnetic force seat and the extension board that sets up in magnetic force seat one side, the controllable magnetic force seat is provided with a plurality of and the extension board is provided with on the horizontal installation board on the foundation, the laser generator is installed on the horizontal installation board.

The upper surface of the extension plate is fixedly provided with a support arm, the mounting plate and the support arm are hinged, two adjusting screws are further mounted on the extension plate, the two adjusting screws are respectively arranged on two sides of the support arm, the adjusting screws are in threaded fit with the extension plate, the adjusting screws penetrate the extension plate upwards from the bottom of the extension plate and then tightly prop against two sides of the bottom of the mounting plate, and the inclination angle of the mounting plate is adjusted by adjusting the extension amount of the two adjusting screws.

And a bearing is arranged at the joint of the laser generator and the mounting plate.

The driving assembly comprises a driving head, the movable setting of driving head is in the inside activity intracavity of inserted bar, the driving head top sets up the movable rod, the movable rod passes through the gear drive and connects the hand wheel, the open slot link up the activity chamber, the compact heap sets up in the open slot and is connected with the lateral wall hinge of open slot, and one side top that is close to the activity chamber on the compact heap sets up first arc arch, and the below sets up the second arc arch, and the driving head sets up between first arc arch and second arc arch, thereby extrudes first arc arch when the driving head upward movement makes compact heap upper portion to stretch out the open slot after rotating outside, thereby extrudes second arc arch when the driving head downward movement makes the compact heap retract to the open slot after resetting.

The upper part of the driving head is provided with a first driving inclined plane matched with the first arc-shaped bulge, and the lower part of the driving head is provided with a second driving inclined plane matched with the second arc-shaped bulge.

The gear transmission mechanism comprises a rack and a gear, the rack is arranged at the top of the movable rod, the gear is meshed with the rack, the gear is connected to the hand wheel through a connecting shaft, the rack is driven to move up and down through the gear when the hand wheel is rotated, and the rack further drives the driving head to move through the movable rod.

The connecting shaft is also provided with a ratchet wheel, the connecting shaft is supported by a supporting plate fixed on the reference disc, a claw matched with the ratchet wheel is arranged on the supporting plate, and the locking of the connecting shaft is realized through the cooperation of the claw and the ratchet wheel.

The measuring device is characterized in that a mounting plate is arranged above the reference plate, the mounting plate and the reference plate are connected through a plurality of inclined supports arranged in the circumferential direction, the measuring rod is mounted on the mounting plate, and the driving assembly is arranged below the mounting plate.

The reference disc circumference is provided with a plurality of leveling screws that are used for adjusting the reference disc levelness.

The invention has the beneficial effects that:

1. when the device is used, the measuring rod is not required to be manually supported, the device can be quickly fixed in a foundation or on a reference table through the fixing component at the bottom of the measuring rod, after the device is fixed, the device is firm, stable and not easy to loosen after being pressed by the pressing component, the device can quickly read out the data on the measuring rod after being projected to the measuring rod through quickly adjusting the position of the laser generator, so that the settlement of the foundation can be calculated, the whole device is simple in structure and convenient to adjust, the measuring rods are universal, the device is convenient to process and maintain, and the measuring efficiency and the accuracy of the measuring result can be greatly improved in practical use.

2. The fixing component is convenient to adjust, the stability of the measuring rod can be guaranteed after the measuring rod is installed, and the measuring rod can be quickly removed.

3. The laser generator can be adjusted in multiple directions, wherein the adjustment comprises rapid adjustment in the height direction of the measuring rod, and rapid adjustment of the inclination angle and the rotation angle, so that the laser generator can be projected onto the measuring rod rapidly and accurately during adjustment, and the measurement efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of a measurement state structure of the present invention;

FIG. 2 is a schematic diagram of a laser generator according to the present invention;

FIG. 3 is a schematic view of the structure of the fixing assembly of the present invention;

fig. 4 is a top view of the structure of the bayonet of the present invention.

The reference numbers shown in the drawings: 1. a measuring rod; 2. a laser generator; 3. a jack; 4. a reference stage; 5. a magnetic base; 6. a magnetic switch; 7. a level gauge; 8. a generator mount; 9. a bearing; 10. a mounting plate; 11. a support arm; 12. an adjusting screw; 13. an extension plate; 14. a mounting plate; 15. a rack; 16. a diagonal support; 17. leveling screws; 18. a reference plate; 19. a first drive ramp; 20. a drive head; 21. a second driving ramp; 22. a gear; 23. a claw; 24. a ratchet wheel; 25. a connecting shaft; 26. a hand wheel; 27. a support plate; 28. a movable rod; 29. a movable cavity; 30. a movable cavity wall; 31. a first arc-shaped protrusion; 32. a compaction block; 33. a second arc-shaped protrusion; 34. an open slot; 35. a rod; 36. and a hinge shaft.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments. It is to be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. Further, it will be understood that various changes or modifications may be made by those skilled in the art after reading the teachings of the invention, and such equivalents are intended to fall within the scope of the invention as defined herein.

As shown in figures 1-4, a foundation settlement measuring device comprises at least one concrete reference table 4 buried in a foundation, at least two measuring rods 1 provided with scales and a laser generator 2 capable of being installed on the measuring rods 1, a fixing component is arranged at the bottom of each measuring rod 1 and comprises a reference disc 18, an inserting rod 35 is arranged below each reference disc 18, each measuring rod 1 is installed above each reference disc 18, a plurality of compressing blocks 32 and a driving component for controlling the compressing blocks 32 to move are circumferentially arranged inside each inserting rod 18, a hand wheel 26 is arranged above each reference disc 18 and connected with each compressing block 32 through a driving component, a plurality of opening grooves 34 corresponding to the compressing blocks 32 are formed in the side wall of each inserting rod 35, the hand wheel 26 can be controlled to extend out of each opening groove 34 or retract into each inserting rod 35 through the corresponding driving component, after each inserting rod 35 is inserted into the foundation, the corresponding compressing blocks 32 can be tightly abutted against surrounding soil layers to achieve firm fixation of the corresponding inserting rods 35, the laser generator 2 can be installed on one side of each measuring rod 8, a magnetic force sensor is installed on one side of the mounting plate 10 and can be installed on the mounting plate 10, the magnetic force sensor is installed on the mounting plate 13, and the magnetic force sensor is installed on one side of the mounting plate 10, and the magnetic force sensor is installed on the mounting plate 13.

In the invention, the tool used in the measurement mainly comprises two measuring rods 1 and a laser generator 2, the structures of the two measuring rods 1 are the same and can be commonly used, a fixing component arranged at the bottom of each measuring rod 1 is used for fixing the measuring rod 1 in a reference table 4 and a foundation to be measured, when the tool is used, an inserting rod 35 below the measuring rod 1 is inserted into a foundation or a jack 3 of the reference table 4, the reference disc 18 is attached to the ground or the upper surface of the reference table 4, and the measuring rod 1 is directly inserted and then is easily affected by the influence of the interference of the external environment, and the like, so that a plurality of pressing blocks 32 are arranged in the circumferential direction of the measuring rod 1, the pressing blocks 32 are controlled by a hand wheel 26, and after the inserting rod 35 is inserted, the pressing blocks 32 extend out of the circumference of the inserting rod 35 through the hand wheel 26, so that the pressing blocks are tightly pressed into soil layers around the inserting rod 35 or the side walls of the jack 3, and the firm fixation of the measuring rod 1 can be realized. After two measuring rods 1 are fixed, the laser generator 2 is required to be regulated and installed, the laser generator 2 is conveniently and rapidly installed through the magnetic base 5 and can be fixed at any height position of the measuring rods 1, the magnetic base 5 can be of a traditional manual magnetic meter base structure, the matching position of the magnetic base 5 and the measuring rods 1 is set to be arc-shaped or circular, after the magnetic switch 6 of the magnetic base 5 is opened, the magnetic base 5 can be magnetically adsorbed on the measuring rods 1, so that the laser generator 2 is fixed, and the levelness of the laser generator 2 directly influences the measuring precision, therefore, the invention is provided with the angle-adjustable mounting plate 10, and the laser generator 2 can be in a horizontal state by observing the inclination angle of the mounting plate 10 regulated by the level meter 7.

As shown in fig. 1, in the measurement, the insert rod 35 of one measuring rod 1 is inserted into the jack 3 of the reference table 4, then the hand wheel 26 is rotated to enable the pressing block 32 to extend out to tightly prop against the side wall of the jack 3, then the measuring rod 1 is firmly fixed, then the insert rod 35 at the bottom of the other measuring rod 1 is inserted into the foundation of the concave surface in the figure, and the hand wheel 26 is rotated to firmly fix the measuring rod 1.

As shown in figure 2, the upper surface of the extension plate 13 of the invention is fixedly provided with a supporting arm 11, the mounting plate 10 is hinged with the supporting arm 11, therefore, the angle of the mounting plate 10 can be adjusted, two adjusting screws 12 are also arranged on the extension plate 13, the two adjusting screws 12 are respectively arranged on two sides of the supporting arm 11, the adjusting screws 12 are in threaded fit with the extension plate 13, the adjusting screws 12 penetrate the extension plate 13 upwards from the bottom of the extension plate 13 and then are tightly propped against two sides of the bottom of the mounting plate 10, when the inclination angle of the mounting plate 10 is adjusted, one adjusting screw 12 can be correspondingly rotated upwards, and the other adjusting screw 12 can be correspondingly rotated downwards, therefore, the rapid adjustment of the mounting plate 10 can be realized.

As shown in fig. 3 and 4, the driving assembly of the present invention comprises a driving head 20, the driving head 20 preferably adopts a cylindrical structure, the driving head 20 is movably arranged in a movable cavity 29 inside a plug-in rod 35, a movable rod 28 is arranged above the driving head 20 and can move up and down along with the movable rod 28, the movable rod 28 is connected with a hand wheel 26 through a gear transmission mechanism, the gear transmission mechanism can convert the rotation of the hand wheel 26 into the up-and-down movement of the movable rod 28 so as to control the driving head 20 to move up and down, an opening groove 34 penetrates through the movable cavity 29, a compressing block 32 is arranged in the opening groove 34 and is hinged with the side wall of the opening groove 34 through a hinge shaft 36, a first arc-shaped protrusion 31 is arranged above one side, close to the movable cavity 29, of the compressing block 32, a second arc-shaped protrusion 33 is arranged below, the protruding size of the first arc-shaped protrusion 31 is larger than that of the second arc-shaped protrusion 33, the driving head 20 is arranged between the first arc-shaped protrusion 31 and the second arc-shaped protrusion 33, when the driving head 20 moves up, the first arc-shaped protrusion 31 is pressed outwards through a first driving inclined plane 19 so as to enable the upper part of the compressing block 32 to rotate outwards, and then the opening groove 34 is extended outwards after the compressing block 32 is rotated outwards, the opening groove 34 is opened through the first driving inclined plane 19, and the second arc-shaped protrusion 20 is retracted into the opening groove 1 when the second arc-shaped protrusion is pressed, and the second arc-shaped protrusion is retracted, so that the opening 1 is conveniently.

As shown in fig. 3, the gear transmission mechanism of the invention comprises a rack 15 and a gear 22, wherein the rack 15 is arranged at the top of a movable rod 28, the gear 22 is meshed with the rack 15, the gear 22 is connected to a hand wheel 26 through a connecting shaft 25, the gear 22 can drive the rack 15 to move up and down when the hand wheel 26 is rotated, the rack 15 further drives a driving head 20 to move through the movable rod 28, meanwhile, in order to ensure that a compressing block 32 cannot be easily retracted after being extended so as to firmly fix a measuring rod 1, a ratchet wheel 24 is also arranged on the connecting shaft 25, the connecting shaft 25 is supported by a supporting plate 27 fixed on a reference disc 18, a claw 23 matched with the ratchet wheel 24 is arranged on the supporting plate 27, the locking of the connecting shaft 25 is realized through the cooperation of the claw 23 and the ratchet wheel 24, when the compressing block 32 is extended, the ratchet wheel 24 is locked, the connecting shaft 25 is prevented from reversing, and when the compressing block 32 is required to be retracted, the claw 23 is opened, and the connecting shaft 25 is rotated after the locking of the ratchet wheel 24 is released.

The invention has the advantages that the mounting plate 14 is arranged above the reference plate 18, the mounting plate 14 is connected with the reference plate 18 through the plurality of inclined supports 16 arranged in the circumferential direction, the measuring rod 1 is screwed on the mounting plate 14 through threads, and the driving component is arranged below the mounting plate 14, so that the structure not only can conveniently mount the measuring rod 1, but also has enough space to operate the driving component.

Claims

1. A foundation settlement measuring device comprising at least one concrete reference table (4) embedded in the foundation, characterized in that: the device also comprises at least two graduated measuring rods (1) and a laser generator (2) which can be installed on the measuring rods (1), wherein a fixed component is arranged at the bottom of each measuring rod (1), each fixed component comprises a reference disc (18), an inserting rod (35) is arranged below each reference disc (18), each measuring rod (1) is installed above each reference disc (18), a plurality of compressing blocks (32) and a driving component for controlling the compressing blocks (32) to move are circumferentially arranged inside each inserting rod (35), a hand wheel (26) is arranged above each reference disc (18), each hand wheel (26) is connected with each compressing block (32) through each driving component, a plurality of open slots (34) corresponding to the compaction blocks (32) are arranged on the side wall of the inserted link (35), the hand wheel (26) can be rotated to control the compaction blocks (32) to extend out of the open slots (34) or retract into the inserted link (35) through the driving component, firm fixation of the inserted link (35) can be realized by propping up surrounding soil layers after the compaction blocks (32) extend out after the inserted link (35) is inserted into a foundation, the laser generator (2) is fixed on the measuring link (1) through the generator mounting seat (8), the generator mounting seat (8) comprises a controllable magnetic seat (5) and an extension plate (13) arranged on one side of the magnetic seat (5), the magnetic base (5) can be adsorbed on the measuring rod (1), the extension plate (13) is provided with an angle-adjustable mounting plate (10), the laser generator (2) is rotatably mounted on the mounting plate (10), the laser generator (2) is provided with a level meter (7), and the concrete reference table (4) is provided with an inserting hole (3) for inserting the inserting rod (35);

the driving assembly comprises a driving head (20), the driving head (20) is movably arranged in a movable cavity (29) inside a plug rod (35), a movable rod (28) is arranged above the driving head (20), the movable rod (28) is connected with a hand wheel (26) through a gear transmission mechanism, an opening groove (34) penetrates through the movable cavity (29), a pressing block (32) is arranged in the opening groove (34) and is hinged with the side wall of the opening groove (34), a first arc-shaped bulge (31) is arranged above one side, close to the movable cavity (29), of the pressing block (32), a second arc-shaped bulge (33) is arranged below the pressing block, the driving head (20) is arranged between the first arc-shaped bulge (31) and the second arc-shaped bulge (33), when the driving head (20) moves upwards, the first arc-shaped bulge (31) is extruded so that the upper part of the pressing block (32) rotates outwards and then extends out of the opening groove (34), and when the driving head (20) moves downwards, the second arc-shaped bulge (33) is extruded so that the pressing block (32) is reset and then is retracted into the opening groove (34); a first driving inclined surface (19) for being matched with the first arc-shaped bulge (31) is arranged at the upper part of the driving head (20), and a second driving inclined surface (21) for being matched with the second arc-shaped bulge (33) is arranged at the lower part of the driving head (20); the gear transmission mechanism comprises a rack (15) and a gear (22), the rack (15) is arranged at the top of the movable rod (28), the gear (22) is meshed with the rack (15), the gear (22) is connected to a hand wheel (26) through a connecting shaft (25), the rack (15) is driven to move up and down through the gear (22) when the hand wheel (26) is rotated, and the rack (15) further drives the driving head (20) to move through the movable rod (28).

2. A foundation settlement measurement device as set forth in claim 1, wherein: the support arm (11) is fixed on the upper surface of the extension plate (13), the mounting plate (10) is hinged to the support arm (11), two adjusting screws (12) are further installed on the extension plate (13), the two adjusting screws (12) are respectively arranged on two sides of the support arm (11), the adjusting screws (12) are in threaded fit with the extension plate (13), the adjusting screws (12) penetrate the extension plate (13) upwards from the bottom of the extension plate (13) and then are tightly propped against two sides of the bottom of the mounting plate (10), and the inclination angle of the mounting plate (10) is adjusted by adjusting the protruding amount of the two adjusting screws (12).

3. A foundation settlement measurement device as claimed in claim 2, wherein: the connecting part of the laser generator (2) and the mounting plate (10) is provided with a bearing (9).

4. A foundation settlement measurement device as set forth in claim 1, wherein: the connecting shaft (25) is further provided with a ratchet wheel (24), the connecting shaft (25) is supported by a supporting plate (27) fixed on the reference disc (18), a claw (23) matched with the ratchet wheel (24) is arranged on the supporting plate (27), and the locking of the connecting shaft (25) is realized by the cooperation of the claw (23) and the ratchet wheel (24).

5. A foundation settlement measurement device as set forth in claim 1, wherein: the measuring device is characterized in that a mounting plate (14) is arranged above the reference plate (18), the mounting plate (14) is connected with the reference plate (18) through a plurality of inclined supports (16) arranged in the circumferential direction, the measuring rod (1) is mounted on the mounting plate (14), and the driving assembly is arranged below the mounting plate (14).

6. A foundation settlement measurement device as set forth in claim 1, wherein: the reference disc (18) is circumferentially provided with a plurality of leveling screws (17) for adjusting the levelness of the reference disc (18).