CN117537781B - Inclination measuring device for foundation pit support - Google Patents
Inclination measuring device for foundation pit support Download PDFInfo
- Publication number
- CN117537781B CN117537781B CN202410032354.8A CN202410032354A CN117537781B CN 117537781 B CN117537781 B CN 117537781B CN 202410032354 A CN202410032354 A CN 202410032354A CN 117537781 B CN117537781 B CN 117537781B
- Authority
- CN
- China
- Prior art keywords
- pay
- cable
- foundation pit
- paying
- main cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000523 sample Substances 0.000 claims abstract description 19
- 230000009471 action Effects 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000004804 winding Methods 0.000 description 16
- 238000009434 installation Methods 0.000 description 13
- 238000001514 detection method Methods 0.000 description 12
- 230000008859 change Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to the technical field of foundation pit inclinometry, in particular to a slope measuring device for foundation pit support, which comprises a mounting seat, cables and a connecting rod, wherein a pay-off total barrel capable of rotating around the axis of the mounting seat is arranged on the mounting seat, the number of the pay-off total barrel and the number of the cables are two and are arranged in a one-to-one correspondence manner, one ends of the two cables are arranged at the first end of the connecting rod, and a probe is arranged on the connecting rod. During the use, the connecting rod is suspended, one of the paying-off total barrels rotates for paying off, the other paying-off total barrel is kept motionless, when the tension of a cable on the paying-off total barrel is zero, the paying-off length of the cable is used as the lowering depth of the connecting rod, the two paying-off total barrels simultaneously rotate for paying off, and when the connecting rod is lowered to a preset depth, the inclination of the foundation pit support is measured through the probe; therefore, on one hand, resource waste can be avoided, and on the other hand, the cable which is not deformed can be used as a reference, so that the precision in inclination measurement can be ensured.
Description
Technical Field
The invention relates to the technical field of foundation pit inclinometry, in particular to an inclination measuring device for foundation pit support.
Background
The foundation pit is a soil pit excavated at a foundation design position according to the elevation of the substrate and the plane size of the foundation; the foundation pit support is used for ensuring the safety of underground structure construction and the surrounding environment of the foundation pit, and is used for supporting, reinforcing and protecting the side wall of the foundation pit and the surrounding environment.
In the building construction process, in order to meet different building construction requirements, foundation pits with different specifications are required to be excavated and foundation pit supports with different specifications are required to be constructed, and in order to ensure smooth construction of the foundation pits and the foundation pit supports, corresponding gradient measurement work is required to be carried out on the foundation pit supports, and displacement and stress change conditions of a foundation pit support structure are reflected in time; in the related art, an inclinometer is often used to measure the inclination of a foundation pit support, for example, chinese patent document with the authority publication number CN219869670U discloses a sliding inclinometer, and when the sliding inclinometer is used, firstly, a detecting rod is inserted into a detecting hole, and then, a cable is released to a preset depth until a probe is at a preset position, so that measurement can be started.
The sliding inclinometer improves the efficiency of foundation pit supporting inclination measurement to a certain extent, but in the actual detection process, the cable deforms under the action of gravity of the detection rod, so that deviation occurs between the actual detection position and the preset position of the probe, the accuracy of inclination measurement is affected, and the detection rod falls into the detection hole when the cable breaks, so that the detection rod is difficult to recover, and resource waste is caused.
Disclosure of Invention
Accordingly, it is necessary to provide a foundation pit support slope measuring device for solving the problems of poor measurement accuracy and low recyclability of the conventional inclinometer.
The above purpose is achieved by the following technical scheme:
the foundation pit supporting inclination measuring device comprises a mounting seat, cables and a connecting rod, wherein a pay-off total barrel is arranged on the mounting seat and can rotate around the axis of the mounting seat, the number of the pay-off total barrel and the number of the cables are two, one cable is wound on one pay-off total barrel, the other cable is arranged at the first end of the connecting rod, one cable is wound on the other pay-off total barrel, and the other cable is arranged at the first end of the connecting rod; the connecting rod is provided with a probe which is used for measuring the inclination of the foundation pit support;
during the use, the connecting rod is unsettled to be placed, one of them the unwrapping wire is always taken turns to unwrapping wire, another the unwrapping wire is always taken turns to be kept motionless the unwrapping wire is always taken turns to the unwrapping wire simultaneously to two when the tension of the cable on the unwrapping wire is always taken turns to the unwrapping wire to take off, and with the unwrapping wire length of the cable that tension is zero as the depth of putting down of connecting rod, works as when the connecting rod is put down to the preset degree of depth, through the inclination of foundation ditch support is measured to the probe.
Further, a spiral groove and an annular groove are formed in the peripheral wall of each pay-off main cylinder, the spiral groove and the annular groove are coaxially arranged with the pay-off main cylinders, and the first end of the spiral groove is communicated with the annular groove; the cable is wound on the pay-off main cylinder from the second end of the spiral groove, spirals along the spiral groove and finally leaves the pay-off main cylinder from the annular groove when in use; the foundation pit supporting inclination measuring device further comprises a line shifting mechanism, wherein the line shifting mechanism is configured to drive a cable spiraling in the spiral groove to move a distance of a pitch of the spiral groove along the axial direction of the pay-off main drum to a position close to the annular groove when the cable is released for a preset length.
Further, the line shifting mechanism comprises a line shifting rod and a guide part, the line shifting rod is inserted into the pay-off main cylinder, and under the action of the guide part, the line shifting rod can elastically slide along the axial direction of the pay-off main cylinder and also slide along the radial direction of the pay-off main cylinder so as to drive a cable coiled in the spiral groove to move.
Further, the guide part comprises a stop block, an elastic piece, a guide rod and a guide groove, wherein the stop block is arranged on the mounting seat and is stopped by the line moving rod; one end of the elastic piece is arranged on the line moving rod, the other end of the elastic piece is arranged on the line releasing total barrel, and the line moving rod has a trend of extending out of the end part of the line releasing total barrel along the axial direction of the line releasing total barrel under the action of the elastic piece; the guide groove is arranged on the pay-off main cylinder, and the guide rod is arranged on the line moving rod and can slide along the guide groove.
Further, the number of the guide rods and the number of the guide grooves are multiple, and the guide rods and the guide grooves are arranged in a one-to-one correspondence mode.
Further, the pay-off total barrel is provided with two pay-off barrels which are coaxially arranged, the two pay-off barrels of the same pay-off total barrel can relatively rotate, and the two pay-off barrels adjacent to different pay-off total barrels can synchronously rotate in opposite directions; the two cables are spirally arranged between two adjacent pay-off drums of different pay-off total drums along the axis of the pay-off total drums.
Further, the second end of the connecting rod is provided with a buffer head.
Further, the buffer head is made of a flexible material.
Further, the foundation pit supporting inclination measuring device further comprises a driving piece, wherein the driving piece is used for providing driving force for rotating the pay-off total barrel.
Further, the foundation pit support slope measuring device further includes a pressure sensor provided on one of the cables and adapted to sense tension of the cable.
The beneficial effects of the invention are as follows:
in the slope measuring device for the foundation pit support, in the process of measuring the slope of the foundation pit support, a connecting rod is inserted into a detection hole and is placed in a suspended state, one of the pay-off total barrels is set to rotate for paying off, the other pay-off total barrel is kept motionless, when the tension of a cable on the pay-off total barrel is zero, the two pay-off total barrels rotate for paying off simultaneously, the paying-off length of the cable with the tension being zero is used as the lowering depth of the connecting rod, and when the connecting rod is lowered to a preset depth, the slope of the foundation pit support is measured through a probe. Through setting up two cables, when one of them cable fracture, another cable can retrieve connecting rod and probe on the one hand, avoids causing the wasting of resources, and on the other hand uses the unwrapping wire length of the cable that tension is zero as the depth of putting down of connecting rod, guarantees that the actual detection position of probe corresponds with the position accuracy of predetermineeing, improves the precision when inclination is measured.
Further, the slope measuring device comprises a spiral groove, an annular groove and a foundation pit support, the slope measuring device further comprises a line shifting mechanism, a cable is set to be wound on the pay-off main cylinder from the second end of the spiral groove and spiral along the spiral groove, and finally the cable leaves the pay-off main cylinder from the annular groove, so that the cable is only wound on one layer of the pay-off main cylinder, and in the process of measuring the slope of the foundation pit support, the length of the cable released is determined when the pay-off main cylinder rotates for one circle, and the accurate correspondence between the actual detection position of the probe and the preset position is further ensured.
Drawings
FIG. 1 is a schematic perspective view of a foundation pit supporting slope measuring device according to an embodiment of the present invention;
FIG. 2 is a schematic top view of a foundation pit supporting slope measuring device according to an embodiment of the present invention;
FIG. 3 is an A-A cross-sectional view of the foundation pit support slope measuring device of FIG. 2;
FIG. 4 is a schematic perspective view of a foundation pit supporting slope measuring device according to an embodiment of the present invention, when assembled with a mounting base and a pay-off assembly;
FIG. 5 is a schematic perspective view illustrating a mounting base of a foundation pit supporting slope measuring device according to an embodiment of the present invention;
FIG. 6 is a schematic perspective view of a pay-off main barrel of a foundation pit supporting slope measuring device according to an embodiment of the present invention;
FIG. 7 is a schematic diagram showing a cross-sectional structure of a pay-off main drum of a foundation pit supporting slope measuring device according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a cross-sectional structure of a pay-off main drum of a foundation pit supporting slope measuring device according to an embodiment of the present invention;
FIG. 9 is a schematic view of a partial enlarged structure of a pay-off main drum of the foundation pit supporting slope measuring device shown in FIG. 8 at B.
Wherein:
100. a mounting base; 110. a winding shaft; 120. a mounting shaft; 130. a stop block; 140. a pressure sensor;
200. a connecting rod; 210. a probe; 211. a hook; 220. a guide wheel; 230. a buffer head;
300. paying-off assembly; 310. a driving disk; 320. a driven plate; 330. paying off a main drum; 331. paying-off cylinder; 3311. a spiral groove; 3312. a ring groove; 3313. a guide groove; 332. a gear; 333. a lane stick; 3331. a protrusion; 334. a compression spring.
Detailed Description
The present invention will be further described in detail below with reference to examples, which are provided to illustrate the objects, technical solutions and advantages of the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The numbering of components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning. The terms "coupled" and "connected," as used herein, are intended to encompass both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1 to 9, the slope measuring device of the foundation pit support according to the embodiment of the present invention is used for measuring the slope of the foundation pit support, in this embodiment, the slope measuring device of the foundation pit support is configured to include a mounting base 100, a cable, a connecting rod 200, a guide pulley 220 and a pay-off assembly 300, specifically, as shown in fig. 5, the mounting base 100 is configured to be a cylindrical structure, and both upper and lower ends are open, and the axial direction and the vertical direction of the mounting base 100 are parallel when in use; the upper end part of the mounting seat 100 is provided with two mounting shafts 120, the axis of the mounting shaft 120 is perpendicular to the axis of the mounting seat 100, and the two mounting shafts 120 are adjacent and symmetrically arranged about the axis of the mounting seat 100; more specifically, as shown in fig. 5, to facilitate the installation of the installation shaft 120, two T-shaped first installation plates are disposed at the upper end of the installation base 100, and the two first installation plates are symmetrically disposed about the axis of the installation base 100, and the first installation plates have vertical plates and horizontal plates that are vertically connected, wherein one end of each vertical plate is vertically and fixedly connected to the upper end of the installation base 100, and the two installation shafts 120 are vertically and fixedly inserted on the horizontal plate of one first installation plate at the uniform end during the installation, and the other end is vertically and fixedly inserted on the horizontal plate of the other first installation plate.
As shown in fig. 1, the connecting rod 200 is provided in a round rod-like structure, two hooks 211 are provided on one end of the connecting rod 200, and a probe 210 is provided on one end of the connecting rod 200 near the hooks 211, the probe 210 being used for measuring the inclination of the foundation pit support; the number of the guide wheels 220 is two, and are inserted on the connection rod 200 at intervals along the axial direction of the connection rod 200.
The paying-off assembly 300 is configured to include paying-off total barrels 330, as shown in fig. 6, the paying-off total barrels 330 are configured to be in a cylindrical structure, the number of the paying-off total barrels 330 is two, and the paying-off total barrels 330 are configured in a one-to-one correspondence with the mounting shaft 120, and taking one paying-off total barrel 330 as an example, the paying-off total barrels 330 are sleeved on the mounting shaft 120 and can freely rotate when being mounted, in particular, in order to facilitate the sleeving of the paying-off total barrels 330 on the mounting shaft 120, cylindrical through holes are coaxially formed in the paying-off total barrels 330, and the inner diameters of the through holes are equal to the diameters of the mounting shaft 120;
the number of the cables is two, one of the cables is wound on the outer circumferential wall of one pay-off main barrel 330 when in use, the other end is arranged at the first end of the connecting rod 200, specifically, the first end of the connecting rod 200 is arranged as one end of the connecting rod 200 with the hook 211, the other end of the cable is fixedly wound on one hook 211, one end of the other cable is wound on the outer circumferential wall of the other pay-off main barrel 330 when in use, the other end is arranged at the first end of the connecting rod 200, and specifically, the other end of the cable is fixedly wound on the other hook 211.
In the process of measuring the inclination of the foundation pit support, firstly, the connecting rod 200 is inserted into the detection hole and is suspended, the two guide wheels 220 are in butt joint with the inner peripheral wall of the detection hole, then one of the paying-off total barrels 330 is set to rotate for paying-off, the other paying-off total barrel 330 is kept motionless, when the tension of a cable on the paying-off total barrel 330 is zero, the two paying-off total barrels 330 simultaneously rotate for paying-off, the paying-off length of the cable with the tension being zero is used as the lowering depth of the connecting rod 200, and when the connecting rod 200 is lowered to a preset depth, the inclination of the foundation pit support is measured through the probe 210; therefore, by arranging two cables, on one hand, when one cable is broken, the other cable can recover the connecting rod 200 and the probe 210, so that resource waste is avoided, and on the other hand, the paying-off length of the cable with zero tension is used as the paying-off depth of the connecting rod 200, so that the accurate correspondence between the actual detection position and the preset position of the probe 210 is ensured, and the accuracy in inclination measurement is improved.
After the measurement is completed, the connecting rod 200 can be pulled upwards equidistantly, and simultaneously the inclination of the corresponding foundation pit support is measured through the probe 210, so as to obtain the inclination parameter of the complete foundation pit support.
In some embodiments, as shown in FIG. 3, the foundation pit support slope measuring device is configured to further include a pressure sensor 140, the pressure sensor 140 being disposed on one of the cables and configured to sense tension in that cable.
In some embodiments, a spiral groove 3311 and a circular groove 3312 are arranged on the peripheral wall of each pay-off main barrel 330, the spiral groove 3311 and the circular groove 3312 are coaxially arranged with the pay-off main barrels 330, and a first end of the spiral groove 3311 is communicated with the circular groove 3312, specifically, as shown in fig. 6, the first end of the spiral groove 3311 is arranged near one end of the middle part of the pay-off main barrels 330, and a second end of the spiral groove 3311 is arranged near one end of the end part of the pay-off main barrels 330; specifically, as shown in fig. 5, winding shafts 110 having axes parallel to the axes of the mounting shafts 120 are provided at the upper end portion of the mounting base 100, the height of the winding shafts 110 in the vertical direction is lower than the height of the mounting shafts 120, the number of winding shafts 110 is two, and the two winding shafts 110 are respectively located at both sides of any one of the mounting shafts 120 and are symmetrically arranged about the axis of the mounting base 100.
More specifically, as shown in fig. 5, in order to facilitate the installation of the winding shaft 110, four second mounting plates are disposed at the upper end of the mounting seat 100, two second mounting plates of the same group are disposed symmetrically about the axis of the mounting seat 100 and are respectively disposed at two sides of the first mounting plate, two winding shafts 110 and two second mounting plates of the same group are disposed in one-to-one correspondence, taking one winding shaft 110 and one second mounting plate of the same group as examples, one end of the winding shaft 110 is vertically and rotatably inserted on one second mounting plate, and the other end is vertically and rotatably inserted on the other second mounting plate; more specifically, as shown in fig. 4, each of the mounting shafts 120 is rotatably sleeved with a driving disc 310, the driving discs 310 and the pay-off main drum 330 are arranged in one-to-one correspondence and can synchronously rotate, the two driving discs 310 are symmetrically arranged about the axis center of the mounting seat 100, each of the winding shafts 110 is fixedly sleeved with a driven disc 320, the driven discs 320 and the driving discs 310 are arranged in one-to-one correspondence, the driven discs 320 and the driving discs 310 are in friction transmission, and the diameter of the driven discs 320 is smaller than that of the driving discs 310, so that the cable can be in a tight state all the time and can be synchronously wound on the pay-off main drum 330 and the winding shaft 110 or released from the pay-off main drum 330 and the winding shaft 110.
As shown in fig. 3, in use, the cable is wound on one spool 110 at one end, then wound on the payout bobbin 330 from the second end of the spiral groove 3311, and spirals along the spiral groove 3311, finally exits the payout bobbin 330 from the annular groove 3312, and is fixedly wound on the hanger 211; the slope measuring device of the foundation pit support is configured to further comprise a line shifting mechanism configured to drive the cable spiraling in the spiral groove 3311 to move a pitch distance of the spiral groove 3311 along the axial direction of the pay-off main drum 330 to a position close to the ring groove 3312 when the cable is released by a preset length.
In the present embodiment, the lane change mechanism is configured to include a lane change lever 333 and a guide portion, the lane change lever 333 is inserted inside the payout general barrel 330, specifically, as shown in fig. 6, the lane change lever 333 is configured in a rod-like structure, a protrusion 3331 is provided at one end of the lane change lever 333, the lane change lever 333 is located outside the protrusion 3331 when installed, one of side wall surfaces of the lane change lever 333 is configured as an arc surface and can overlap with the outer peripheral wall of the payout general barrel 330, and a plurality of arc grooves which can overlap with the spiral grooves 3311 are provided on the side wall surface; the wire moving rod 333 can elastically slide along the axial direction of the wire releasing main cylinder 330 and also slide along the radial direction of the wire releasing main cylinder 330 under the action of the guide part so as to drive the cable spiraling in the spiral groove 3311 to move.
In this embodiment, the guide portion is configured to include two stoppers 130, an elastic member, a guide rod and a guide groove 3313, where the stoppers 130 are disposed on the mounting base 100 and stop with the wire moving rod 333 to drive the wire moving rod 333 to move along the axis of the wire releasing main barrel 330 toward the inside of the wire releasing main barrel 330, specifically, as shown in fig. 5, the number of the stoppers 130 is two, and the two stoppers 130 are fixedly connected to the plate surface of the first mounting plate near the axis of the mounting base 100 in a one-to-one correspondence manner, and the two stoppers 130 are symmetrical with respect to the axis of the mounting base 100 and are both located between the two mounting shafts 120, and each stopper 130 is provided with a square through hole to avoid interference with the driving disc 310; one end of the elastic member is arranged on the line shifting rod 333, the other end of the elastic member is arranged on the line shifting rod 330, the line shifting rod 333 has a trend of extending out of the end part of the line shifting rod 330 along the axial direction of the line shifting rod 330 under the action of the elastic member, and concretely, as shown in fig. 7, the elastic member is arranged as a pressure spring 334, one end of the elastic member is fixedly connected to the line shifting rod 333, the other end of the elastic member is fixedly connected to the line shifting rod 330, and the line shifting rod 333 has a trend of extending out of the end part of the line shifting rod 330 under the action of the pressure spring 334; the guide groove 3313 is disposed on the pay-off main barrel 330, specifically, as shown in fig. 9, the guide groove 3313 is configured as a D-shaped groove structure, the guide groove 3313 has a vertical section and an arc section connected end to end, wherein the vertical section is disposed parallel to the axis of the pay-off main barrel 330, and the arc section is disposed closer to the axis of the pay-off main barrel 330 than the vertical section; the guide bar is provided on a side wall surface adjacent to the lane departure bar 333 and the arc side wall surface, and is capable of sliding along the guide groove 3313.
It will be appreciated that the guide bar may be more easily switched between the vertical and circular arc segments by providing guide tabs at the switching of the vertical and circular arc segments.
In the process of measuring the inclination of the foundation pit support, as shown in fig. 3, the left winding shaft 110 and the left pay-off main drum 330 are kept motionless, so that the left cable is kept to be original long, then the right driving drum 310 is driven to rotate clockwise, the right driving drum 310 drives the right driven drum 320 to rotate counterclockwise through friction transmission, so that the right winding shaft 110 and the right pay-off main drum 330 synchronously rotate in opposite directions to take up wires, when the indication on the pressure sensor 140 is zero, the left cable tension is zero, at this time, the two driving drums 310 can be driven to rotate through friction transmission, so that the left winding shaft 110 and the left pay-off main drum 330 synchronously rotate in opposite directions to pay-off wires, the right winding shaft 110 and the right pay-off main drum 330 synchronously rotate in opposite directions, the pay-off length of the left cable is used as the lowering depth of the connecting rod 200, the accuracy of the measuring inclination is guaranteed, and when the connecting rod 200 is lowered to the preset depth, the foundation pit support can be measured by the preset inclination depth.
During the rotation of the pay-off main barrel 330, when the protrusion 3331 rotates to be in contact with the stop 130, the wire moving rod 333 is retracted into the screw pitch of the spiral groove 3311 along the axis of the pay-off main barrel 330 under the cooperation of the stop 130, and at this time, the guide rod moves from top to bottom along the vertical section of the guide groove 3313, and the compression spring 334 continuously compresses; when the wire moving rod 333 is retracted into the limit position, the protrusion 3331 and the stop block 130 are separated, the wire moving rod 333 extends out of the wire releasing main cylinder 330 along the axis of the wire releasing main cylinder 330 under the action of the pressure spring 334, the guide rod is simultaneously switched from the vertical section to the circular arc section, the wire moving rod 333 synchronously moves along the radial direction of the wire releasing main cylinder 330 under the guide action of the circular arc section, firstly moves in the direction away from the axis of the wire releasing main cylinder 330, lifts up part of the wire wound on the spiral groove 3311 and breaks away from the current spiral groove 3311, then moves in the direction close to the axis of the wire releasing main cylinder 330, and moves the lifted up wire from the current spiral groove 3311 integrally to the direction close to the end of the wire releasing main cylinder 330 by one pitch, so that the release point of the wire is always kept in the ring groove 3312, and the precision of the wire releasing is improved.
In a further embodiment, the number of the guide rods and the guide grooves 3313 is plural, and the guide rods and the guide grooves 3313 are disposed in a one-to-one correspondence, so that the guide rods can be simultaneously matched with the guide grooves 3313 during the rotation of the pay-off main drum 330 to improve the stability of the moving rod 333 during the movement, for example, the number of the guide rods can be four, and then the number of the guide grooves 3313 is four.
In some embodiments, the pay-off main barrel 330 is provided with two pay-off barrels 331 coaxially arranged, and the two pay-off barrels 331 of the same pay-off main barrel 330 can rotate relatively, specifically, as shown in fig. 2, the two pay-off barrels 331 of the same pay-off main barrel 330 are symmetrically sleeved on one mounting shaft 120 and can be connected together in a relatively rotating manner; the two adjacent paying-off drums 331 of different paying-off total drums 330 can synchronously rotate along opposite directions, specifically, as shown in fig. 6, the end part of each paying-off drum 331 is sleeved with a gear 332, and the gears 332 on the two adjacent paying-off drums 331 of different paying-off total drums 330 are in a meshed state; more specifically, as shown in fig. 2, a spiral groove 3311 and an annular groove 3312 are provided on the outer peripheral wall of each pay-off drum 331, and a lane change mechanism is provided in each pay-off drum 331; the two cables are arranged between two adjacent paying-off drums 331 of different paying-off drums 330 along the axis of the paying-off drum 330 in a spiral manner, so that the cables can be always clamped at the round holes formed by the two spiral grooves 3311, and the cables can be ensured to stably run in the spiral grooves 3311.
In some embodiments, the slope measuring device of the foundation pit support is further provided with driving members, the driving members are used for providing driving force for rotating the pay-off main drum 330, specifically, the driving members can be provided with driving motors, and the number of the driving motors is two and is in one-to-one correspondence with the driving discs 310; taking a driving motor as an example, the driving motor is fixedly connected to the upper end of the mounting seat 100 through a bolt during mounting, and drives the driving disc 310 to rotate through a belt or a chain.
In some embodiments, the second end of the connecting rod 200 is provided with a buffer head 230, specifically, as shown in fig. 1, the second end of the connector is provided as an end of the connecting rod 200 away from the hook 211, the buffer head 230 is provided as a cylindrical structure without a top cover, and the buffer head 230 is sleeved on the second end of the connecting rod 200 in use, so that when the second end of the connecting rod 200 contacts a hard object, the damage of the hard object to the connecting rod 200 is slowed down by the buffer head 230.
In a further embodiment, the buffer head 230 is configured to be made of a flexible material, such as rubber, etc., so that when the second end of the connecting rod 200 contacts a hard object, the buffer head 230 can deform to slow down the impact of the hard object on the connecting rod 200, avoiding damage to the delicate devices on the connecting rod 200.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (6)
1. The foundation pit supporting inclination measuring device is characterized by comprising a mounting seat, cables and a connecting rod, wherein a pay-off main cylinder is arranged on the mounting seat, the pay-off main cylinder can rotate around the axis of the mounting seat, the number of the pay-off main cylinder and the number of the cables are two, one cable is wound on one pay-off main cylinder, the other cable is arranged at the first end of the connecting rod, one cable is wound on the other pay-off main cylinder, and the other cable is arranged at the first end of the connecting rod; the connecting rod is provided with a probe which is used for measuring the inclination of the foundation pit support;
in the use process, the connecting rods are placed in a suspended mode, one of the paying-off total barrels rotates for paying off, the other paying-off total barrel is kept motionless, when the tension of a cable on the paying-off total barrel is zero, the two paying-off total barrels simultaneously rotate for paying off, the paying-off length of the cable with the tension being zero is used as the lowering depth of the connecting rods, and when the connecting rods are lowered to the preset depth, the inclination of foundation pit supports is measured through the probes;
the outer peripheral wall of each pay-off main cylinder is provided with a spiral groove and an annular groove, the spiral groove and the annular groove are coaxially arranged with the pay-off main cylinder, and the first end of the spiral groove is communicated with the annular groove; the cable is wound on the pay-off main cylinder from the second end of the spiral groove, spirals along the spiral groove and finally leaves the pay-off main cylinder from the annular groove when in use; the foundation pit supporting inclination measuring device further comprises a line shifting mechanism, wherein the line shifting mechanism is configured to drive a cable spiraling in the spiral groove to move a distance of a pitch of the spiral groove along the axial direction of the pay-off main drum to a position close to the annular groove when the cable is released for a preset length;
the wire moving mechanism comprises a wire moving rod and a guide part, wherein the wire moving rod is inserted into the wire releasing main cylinder, and under the action of the guide part, the wire moving rod can elastically slide along the axial direction of the wire releasing main cylinder and also can slide along the radial direction of the wire releasing main cylinder so as to drive a cable spiraling in the spiral groove to move;
the guide part comprises a stop block, an elastic piece, a guide rod and a guide groove, wherein the stop block is arranged on the mounting seat and is stopped by the line moving rod; one end of the elastic piece is arranged on the line moving rod, the other end of the elastic piece is arranged on the line releasing total barrel, and the line moving rod has a trend of extending out of the end part of the line releasing total barrel along the axial direction of the line releasing total barrel under the action of the elastic piece; the guide groove is arranged on the pay-off main cylinder, and the guide rod is arranged on the line moving rod and can slide along the guide groove;
the guide rods and the guide grooves are multiple in number and are arranged in one-to-one correspondence.
2. The foundation pit supporting slope measuring device according to claim 1, wherein the pay-off main cylinder is provided with two pay-off cylinders which are coaxially arranged, the two pay-off cylinders of the same pay-off main cylinder can relatively rotate, and two adjacent pay-off cylinders of different pay-off main cylinders can synchronously rotate in opposite directions; the two cables are spirally arranged between two adjacent pay-off drums of different pay-off total drums along the axis of the pay-off total drums.
3. The foundation pit support slope measuring device of claim 1, wherein the second end of the connecting rod is provided with a buffer head.
4. A foundation pit support slope measuring device according to claim 3, wherein the buffer head is made of a flexible material.
5. The foundation pit support slope measuring device of claim 1, further comprising a drive member for providing a driving force for rotation of the pay-out spool.
6. The foundation pit support slope measuring device of claim 1, further comprising a pressure sensor disposed on one of the cables and configured to sense tension in the cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410032354.8A CN117537781B (en) | 2024-01-10 | 2024-01-10 | Inclination measuring device for foundation pit support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410032354.8A CN117537781B (en) | 2024-01-10 | 2024-01-10 | Inclination measuring device for foundation pit support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117537781A CN117537781A (en) | 2024-02-09 |
| CN117537781B true CN117537781B (en) | 2024-04-09 |
Family
ID=89794304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410032354.8A Active CN117537781B (en) | 2024-01-10 | 2024-01-10 | Inclination measuring device for foundation pit support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117537781B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9758340B1 (en) * | 2013-10-08 | 2017-09-12 | Southwire Company, Llc | Capstan and system of capstans for use in spooling multiple conductors onto a single reel |
| CN113266044A (en) * | 2021-05-21 | 2021-08-17 | 中电建路桥集团有限公司 | Foundation pit deep horizontal displacement measuring device capable of controlling probes to move equidistantly |
| AU2021103747A4 (en) * | 2021-06-30 | 2021-08-26 | Guangxi Beitou Transportation Maintenance Technology Group Co., LTD | Deep Displacement Monitoring Device and Method |
| CN214692719U (en) * | 2021-01-26 | 2021-11-12 | 高巍 | Adjustable pay-off is used in electric power construction |
| CN215952547U (en) * | 2021-09-26 | 2022-03-04 | 北京清研东方科技有限公司 | Cable tension detection device for inclinometer probe |
| CN116481495A (en) * | 2023-06-21 | 2023-07-25 | 深圳市勘察研究院有限公司 | High-precision automatic gradient measuring system |
-
2024
- 2024-01-10 CN CN202410032354.8A patent/CN117537781B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9758340B1 (en) * | 2013-10-08 | 2017-09-12 | Southwire Company, Llc | Capstan and system of capstans for use in spooling multiple conductors onto a single reel |
| CN214692719U (en) * | 2021-01-26 | 2021-11-12 | 高巍 | Adjustable pay-off is used in electric power construction |
| CN113266044A (en) * | 2021-05-21 | 2021-08-17 | 中电建路桥集团有限公司 | Foundation pit deep horizontal displacement measuring device capable of controlling probes to move equidistantly |
| AU2021103747A4 (en) * | 2021-06-30 | 2021-08-26 | Guangxi Beitou Transportation Maintenance Technology Group Co., LTD | Deep Displacement Monitoring Device and Method |
| CN215952547U (en) * | 2021-09-26 | 2022-03-04 | 北京清研东方科技有限公司 | Cable tension detection device for inclinometer probe |
| CN116481495A (en) * | 2023-06-21 | 2023-07-25 | 深圳市勘察研究院有限公司 | High-precision automatic gradient measuring system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117537781A (en) | 2024-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3406560B1 (en) | Hoist cable load sensor | |
| CN102941579B (en) | Steel wire rope transmission mechanism of rotary mechanical arm | |
| CN202194652U (en) | Hole depth measuring device and rotary drilling machine applied by same | |
| US20130251455A1 (en) | Ship Having a Bridge Comprising a Cavity with a Built-In Rotary Plate | |
| US5676327A (en) | Device for storing and for handling a rod made of composite | |
| CN109184764B (en) | Quick-detachable automatic centering anchor rod anchoring and stirring connection device and operation method thereof | |
| KR102069122B1 (en) | Crack Length Measuring Device for Structural Safety Check | |
| CN117537781B (en) | Inclination measuring device for foundation pit support | |
| CN102502363A (en) | Cable drum and crane with same | |
| US20070002999A1 (en) | Fuel grasping device and fuel exchanger | |
| CN110481708B (en) | Ship anchor bracket | |
| JP2010030765A (en) | Elevator main rope inspecting device | |
| AU2011200820B2 (en) | Landing mechanism for lifted pipe reel | |
| CN109853644B (en) | Detection apparatus for foundation engineering construction sediment thickness | |
| JP5199610B2 (en) | Hole wall measuring device | |
| CN108917693B (en) | Reusable wide-range high-precision delayer and installation and measurement method thereof | |
| RU162490U1 (en) | SPRING CABLE DRUM | |
| RU2216719C2 (en) | Device for checking sampling or extraction of products in designed place under plate | |
| CN105197798A (en) | Cable drum with length measurement function, length measurement method and crane | |
| CN110424399B (en) | Traffic construction deep basal pit lateral wall skew monitoring devices | |
| US20120237412A1 (en) | Device for unloading catalyst from a reactor vessel | |
| CN212125448U (en) | Anchor chain length counting device suitable for marine anchor machine | |
| CN112093576A (en) | Winding device for optical fiber bending loss test and use method thereof | |
| CN219933543U (en) | Sensor hanging device for mine | |
| US2571341A (en) | Cable anchor for winding drums |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |