CN220503976U - Bag type anchor rod structure safety on-line monitoring device - Google Patents

Bag type anchor rod structure safety on-line monitoring device Download PDF

Info

Publication number
CN220503976U
CN220503976U CN202321987703.9U CN202321987703U CN220503976U CN 220503976 U CN220503976 U CN 220503976U CN 202321987703 U CN202321987703 U CN 202321987703U CN 220503976 U CN220503976 U CN 220503976U
Authority
CN
China
Prior art keywords
connecting piece
anchor rod
finish rolling
monitoring device
fixing
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
Application number
CN202321987703.9U
Other languages
Chinese (zh)
Inventor
柴少强
蔡东波
陈勇
汤伟
金川
王巍
闫东杰
周庆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CCCC Seventh Engineering Co Ltd
Original Assignee
CCCC Seventh Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CCCC Seventh Engineering Co Ltd filed Critical CCCC Seventh Engineering Co Ltd
Priority to CN202321987703.9U priority Critical patent/CN220503976U/en
Application granted granted Critical
Publication of CN220503976U publication Critical patent/CN220503976U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to a technical field of stock structure security monitoring, especially relate to a bag formula stock structure security on-line monitoring device, it includes the sensor that is used for gathering stock stress state information, the sensor is the string formula strainometer that shakes, the both ends of string formula strainometer that shakes are provided with fixed subassembly, and fixed subassembly is whole to be the sleeve form structure, fixed subassembly is used for connecting on the reinforcing bar of stock, and the reinforcing bar is finish rolling screw thread reinforcing bar, fixed subassembly cover is on finish rolling screw thread reinforcing bar and finish rolling screw thread reinforcing bar threaded connection; the outer peripheral wall of the fixing assembly is provided with a connecting piece, the connecting piece is connected with the peripheral wall of the fixing assembly in a sliding mode, and the end portion of the vibrating wire strain gauge is welded and fixed on the connecting piece; the connecting piece is provided with an anti-slip component for preventing the fixing component from rotating relative to the connecting piece. The sensor is firmly installed on the reinforcing steel bar of the anchor rod, and the effect of monitoring the anchor rod is guaranteed.

Description

Bag type anchor rod structure safety on-line monitoring device
Technical Field
The application relates to the technical field of anchor rod structure safety monitoring, in particular to a bag type anchor rod structure safety on-line monitoring device.
Background
The anchor rod structure is better and important in engineering construction, and the bag-type anchor rod is an anchor rod capable of improving the pulling resistance, and the bearable acting force in the construction process is larger, so that the safety of the anchor rod structure needs to be monitored, and the stress state of the anchor rod can be evaluated by monitoring the safety of the anchor rod, so that the problem of timely discovering the anchor rod is solved, and corresponding countermeasures can be timely taken.
The utility model discloses a prestressing force stock monitoring devices in the related art, including monitoring node, wireless network, data reception and processing module, monitoring node is including the sensor that is used for gathering stock stress state information, the sensor is the foil gage, the foil gage is pasted and is fixed on the surface of reinforcing bar, monitoring node still includes microprocessor and transceiver module, a message that is used for passing through microprocessor and transceiver module with the information that the sensor of foil gage monitored is transmitted wireless network, data reception and processing module can receive corresponding stock data through wireless network, and the current state of stock is gone out in the analysis, thereby reach the purpose of monitoring stock structural security.
However, the strain gauge type sensor in the structure is stuck on the surface of the steel bar, and if the sensor falls off, the safety of the anchor rod cannot be monitored any more.
Disclosure of Invention
In order to enable the sensor to be firmly installed on the reinforcing steel bar of the anchor rod and ensure the monitoring of the anchor rod, the application provides an on-line monitoring device for the structural safety of the bag-type anchor rod.
The application provides a bag formula stock structural safety on-line monitoring device adopts following technical scheme:
the utility model provides a bag formula stock structure security on-line monitoring device, includes the sensor that is used for gathering stock stress state information, the sensor is the string formula strainometer that shakes, the both ends of string formula strainometer that shakes are provided with fixed subassembly, and fixed subassembly is whole to be the cover column structure, fixed subassembly is used for connecting on the reinforcing bar of stock, and the reinforcing bar is finish rolling screw thread reinforcing bar, fixed subassembly cover is on finish rolling screw thread reinforcing bar and finish rolling screw thread reinforcing bar threaded connection; the outer peripheral wall of the fixing assembly is provided with a connecting piece, the connecting piece is connected with the peripheral wall of the fixing assembly in a sliding mode, and the end portion of the vibrating wire strain gauge is welded and fixed on the connecting piece; the connecting piece is provided with an anti-slip component for preventing the fixing component from rotating relative to the connecting piece.
Through adopting above-mentioned technical scheme, during the use, install on finish rolling twisted steel through two fixed subassembly vibrating wire formula strainometer, detect the stress of finish rolling twisted steel through vibrating wire formula strainometer, fixed subassembly is set column structure and threaded connection on finish rolling twisted steel, fixed subassembly can not drop from finish rolling twisted steel on the one hand, on the other hand utilizes the screw thread on fixed subassembly and the finish rolling twisted steel to interlock, make the finish rolling twisted steel can drive vibrating wire formula strainometer and extend to improve the fastness that finish rolling twisted steel and vibrating wire formula strainometer are connected, guarantee the monitoring to the stock.
Preferably, the anti-slip assembly comprises a friction wedge and a spring, wherein the connecting piece is provided with a caulking groove towards the side wall of the fixing assembly, the spring is arranged at one end of the friction wedge, the friction wedge is slidably connected in the caulking groove, and the acting force of the spring is used for driving the friction wedge to approach the side wall direction of the fixing assembly.
Through adopting above-mentioned technical scheme, the one end of friction voussoir sets up the spring, and the effort of spring is driven friction voussoir to be close to fixed subassembly's lateral wall direction, when making fixed subassembly rotate for the connecting piece, presss from both sides between connecting piece and fixed subassembly by friction voussoir, prevents that fixed subassembly from rotating for the connecting piece. During installation, the magnet can be used for extruding the friction wedge block to the spring and moving in a direction far away from the fixed assembly, and the restriction on the fixed assembly and the connecting piece is released.
Preferably, the fixing assembly comprises two half rings and a plurality of bolts arranged between the two half rings, the two half rings are buckled on the side wall of the finish rolling twisted steel relatively, and the bolts penetrate through one half ring to be connected with the other half ring in a threaded manner.
Through adopting above-mentioned technical scheme, fixed subassembly includes two semi-rings, during the installation, can be earlier with two semi-rings relative lock to connect in advance through the bolt, rotate the semi-ring again, with the screw thread on the semi-ring inner wall with the screw thread interlock of finish rolling twisted steel after, screw up two semi-rings of bolt fastening again, thereby make things convenient for fixed subassembly's installation, and need not to press from both sides two semi-rings tight on finish rolling twisted steel.
Preferably, a plurality of force application holes are formed in the outer peripheral wall of the fixing assembly.
Through adopting above-mentioned technical scheme, when inserting the shaft-like thing in the application of force hole on fixed subassembly peripheral wall, conveniently rotate fixed subassembly, make fixed subassembly along finish rolling twisted steel's length direction adjust to eliminate along finish rolling twisted steel length direction's clearance between with connecting piece and the fixed subassembly, improve the precision of vibrating wire formula strainometer during operation.
Preferably, an outer connecting ring is arranged on the peripheral wall of the fixing assembly, the cross section of the outer connecting ring is T-shaped, the connecting piece is C-shaped in cross section, and the connecting piece is slidably connected to the outer connecting ring through a C-shaped opening.
Through adopting above-mentioned technical scheme, outer go-between sets up on fixed subassembly's peripheral wall, and the connecting piece is the cross-section of C shape to connecting piece sliding connection is on outer go-between, makes fixed subassembly pass through outer go-between and connecting piece can firm connection.
Preferably, a T-shaped ring groove is formed in the peripheral wall of the fixing assembly, one surface, close to the fixing assembly, of the connecting piece is arranged in a T shape, and the connecting piece is in sliding fit in the T-shaped ring groove.
Through adopting above-mentioned technical scheme, offer T shape annular on fixed subassembly's the periphery wall, make the connecting piece pass through T shape annular and fixed subassembly sliding fit, reduce the distance between vibrating wire formula strainometer and the finish rolling twisted steel, improve stability.
Preferably, the anti-slip assembly is a screw penetrating through the connecting piece and in threaded connection with the connecting piece, and the end of the screw abuts against the outer wall of the fixing assembly.
Through adopting above-mentioned technical scheme, screw penetration connecting piece and with connecting piece threaded connection, when rotating the tip butt of screw and making the screw on fixed subassembly, the connecting piece is fixed through the screw with fixed subassembly, when loosening the screw, can make fixed subassembly rotate for the connecting piece.
Preferably, the fixing component is an annular sleeve.
Through adopting above-mentioned technical scheme, fixed subassembly is annular cover, and annular cover threaded connection makes annular cover can install from the tip of finish rolling twisted steel on the finish rolling twisted steel, and annular cover is more firm with the connection of finish rolling twisted steel.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the stress of the finish rolling twisted steel is detected through the vibrating wire type strain gauge, the fixing component is of a sleeve-shaped structure and is connected to the finish rolling twisted steel in a threaded manner, the fixing component is meshed with threads on the finish rolling twisted steel, the connection firmness of the finish rolling twisted steel and the vibrating wire type strain gauge is improved, and the monitoring of the anchor rod is guaranteed;
2. the semi-rings are pre-connected through bolts, then the semi-rings are rotated, after the threads on the inner walls of the semi-rings are meshed with the threads of the finish rolling deformed bar, the bolts are tightened again to fix the two semi-rings, so that the installation of the fixing assembly is facilitated;
3. through seting up T shape annular on the periphery wall of fixed subassembly, make the connecting piece pass through T shape annular and fixed subassembly sliding fit, reduce the distance between vibrating wire formula strainometer and the finish rolling twisted steel, improve stability.
Drawings
FIG. 1 is a schematic overall structure of a first embodiment of the present application;
FIG. 2 is a schematic view of a connection structure of a connection member according to a first embodiment of the present application;
FIG. 3 is a schematic structural view of a fixing assembly according to a first embodiment of the present application;
FIG. 4 is a schematic view of a mounting structure of a fixing assembly according to a second embodiment of the present application;
fig. 5 is a schematic view of a mounting structure of a fixing assembly in a third embodiment of the present application.
Reference numerals illustrate: 1. vibrating wire strain gauge; 2. a fixing assembly; 21. a half ring; 211. a force application hole; 22. a bolt; 23. an annular sleeve; 24. t-shaped ring grooves; 3. finish rolling the deformed bar; 4. a connecting piece; 5. an outer connecting ring; 6. an anti-slip assembly; 61. a friction wedge; 62. a spring; 63. a caulking groove; 64. and (5) a screw.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses a bag type anchor rod structure safety on-line monitoring device.
Embodiment one:
the embodiment discloses a bag type anchor rod structure safety on-line monitoring device, referring to fig. 1, including the sensor that is used for gathering anchor rod stress state information, the sensor is vibrating wire formula strainometer 1, and vibrating wire formula strainometer 1's both ends are provided with fixed subassembly 2. The fixing component 2 is used for being installed on the steel bars of the anchor rods, the steel bars adopt finish rolling threaded steel bars 3, and the vibrating wire type strain gauge 1 is connected to the finish rolling threaded steel bars 3 through the fixing component 2.
Referring to fig. 1 and 2, the whole fixed assembly 2 is of a sleeve-shaped structure, the fixed assembly 2 is sleeved on the finish rolling twisted steel 3, the inner wall of the fixed assembly 2 is in threaded connection with the outer wall of the finish rolling twisted steel 3, a connecting piece 4 is arranged on the outer wall of the fixed assembly 2, the connecting piece 4 can rotate around the outer wall of the fixed assembly 2, and the end part of the vibrating wire type strain gauge 1 is fixed on the connecting piece 4 in a welding mode, so that the vibrating wire type strain gauge 1 is connected to the fixed assembly 2 through the connecting piece 4. Since the fixing members 2 are screw-coupled to the finish rolling screw bar 3, the fixing members 2 can be rotated around the finish rolling screw bar 3, and the vibrating wire type strain gauge 1 is not rotated along with the fixing members 2, so that the distance between the two fixing members 2 can be any length, and thus the distance between the two fixing members 2 can be adapted to the original length of the vibrating wire type strain gauge 1. Meanwhile, the sliding of the fixing assembly 2 along the length direction of the finish rolling deformed bar 3 can be reduced due to the threaded engagement of the fixing assembly 2 and the outer surface of the finish rolling deformed bar 3.
Referring to fig. 2, an outer connecting ring 5 is provided on the outer peripheral wall of the fixing assembly 2, the outer connecting ring 5 and the fixing assembly 2 are integrally provided, the cross section of the outer connecting ring 5 is T-shaped, the center line of the outer connecting ring 5 coincides with the center line of the fixing assembly 2, and the connecting piece 4 is C-shaped in cross section, so that the opening of the connecting piece 4 can be slidably matched with the outer connecting ring 5, and the fixing assembly 2 can rotate in the connecting piece 4.
Referring to fig. 1 and 3, the fixing assembly 2 includes two half rings 21, the two half rings 21 are fastened on the peripheral wall of the finish rolling screw reinforcement 3, a plurality of bolts 22 are disposed at opposite positions of the two half rings 21, and ends of the bolts 22 penetrate through one half ring 21 and are in threaded connection with the other half ring 21, so that the two half rings 21 can be firmly connected together, and the fixing assembly 2 is prevented from sliding along the length direction of the finish rolling screw reinforcement 3 after the two half rings 21 are separated. A plurality of force application holes 211 are formed in the outer wall of the fixing assembly 2, the force application holes 211 are used for inserting rod-shaped objects so as to facilitate rotation of the fixing assembly 2, the fixing assembly 2 can be adjusted to be smaller in clearance between the outer connecting ring 5 and the connecting piece 4, and the influence on measurement accuracy is eliminated.
Referring to fig. 3, an anti-slip assembly 6 is provided inside the connector 4, the anti-slip assembly 6 includes a friction wedge 61 and a spring 62, a caulking groove 63 is formed in a side wall of the connector 4 facing the side wall of the fixing assembly 2, the friction wedge 61 is slidably connected in the caulking groove 63, one end of the friction wedge 61 is provided with the spring 62, the friction wedge 61 gradually increases in size along an axial direction of the spring 62, one end of the spring 62 abuts against the friction wedge 61, and the other end abuts against the connector 4, so that the friction wedge 61 can move in a direction of being attached to the outer connecting ring 5 under the action of the spring 62, and the friction wedge 61 prevents the fixing assembly 2 from rotating relative to the connector 4. The anti-slip assembly 6 may be provided in two and symmetrical arrangements, which prevent rotation of the securing assembly 2 relative to the connecting member 4 in both directions. During installation, the two friction wedges 61 can be attracted by the magnet at the same time, so that the friction wedges 61 are far away from the side wall of the fixed assembly 2, and the fixed assembly 2 can be conveniently rotated.
Embodiment two:
the embodiment discloses a bag formula stock structural safety on-line monitoring device, referring to fig. 4, with embodiment one the difference lie in: the fixed subassembly 2 is annular cover 23, need install from the one end of finish rolling twisted steel 3 when annular cover 23 installs, after two annular covers 23 are connected to finish rolling twisted steel 3 simultaneously, two annular covers 23 need rotate simultaneously, when reaching the mounted position of installation vibrating wire formula strainometer 1, the clearance between outer go-between 5 and the connecting piece 4 is eliminated to the direction of keeping away from each other to two annular covers 23, can directly monitor by vibrating wire formula strainometer 1 when messenger's finish rolling twisted steel 3 receives the pulling force.
Embodiment III:
the embodiment discloses a bag formula stock structural safety on-line monitoring device, referring to fig. 5, with embodiment one the difference lie in: the outer surface of the half ring 21 is provided with a T-shaped annular groove 24, the cross section of the T-shaped annular groove 24 is T-shaped, one surface of the connecting piece 4 close to the fixing assembly 2 is provided with a T-shaped cross section and is in sliding fit in the T-shaped annular groove 24, so that the vibrating wire strain gauge 1 is closer to the outer wall of the finish rolling twisted steel 3, and stability is improved. The anti-slip assembly 6 is a screw 64, the screw 64 penetrates the connecting piece 4 and abuts against the side wall of the fixing assembly 2, the screw 64 is in threaded connection with the connecting piece 4, and the screw 64 is used for preventing the fixing assembly 2 from rotating relative to the connecting piece 4.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a bag formula stock structural safety on-line monitoring device, includes the sensor that is used for gathering stock stress state information, its characterized in that: the sensor is a vibrating wire type strain gauge (1), two ends of the vibrating wire type strain gauge (1) are provided with fixing components (2), the whole fixing components (2) are of sleeve-shaped structures, the fixing components (2) are used for being connected to steel bars of an anchor rod, the steel bars are finish rolling threaded steel bars (3), and the fixing components (2) are sleeved on the finish rolling threaded steel bars (3) and are in threaded connection with the finish rolling threaded steel bars (3); the outer peripheral wall of the fixing assembly (2) is provided with a connecting piece (4), the connecting piece (4) is connected with the peripheral wall of the fixing assembly (2) in a sliding mode, and the end portion of the vibrating wire strain gauge (1) is fixed on the connecting piece (4) in a welding mode; the connecting piece (4) is provided with an anti-slip assembly (6) for preventing the fixing assembly (2) from rotating relative to the connecting piece (4).
2. The on-line monitoring device for the safety of a capsule-type anchor rod structure according to claim 1, wherein: the anti-slip assembly (6) comprises a friction wedge block (61) and a spring (62), wherein the connecting piece (4) is provided with a caulking groove (63) towards the side wall of the fixing assembly (2), the spring (62) is arranged at one end of the friction wedge block (61), the friction wedge block (61) is slidably connected in the caulking groove (63), and the acting force of the spring (62) is used for driving the friction wedge block (61) to approach the side wall direction of the fixing assembly (2).
3. The on-line monitoring device for the safety of a capsule-type anchor rod structure according to claim 1, wherein: the fixing assembly (2) comprises two half rings (21) and a plurality of bolts (22) arranged between the two half rings (21), the two half rings (21) are correspondingly buckled on the side wall of the finish rolling twisted steel (3), and the bolts (22) penetrate through one half ring (21) to be in threaded connection with the other half ring (21).
4. The on-line monitoring device for the safety of a capsule-type anchor rod structure according to claim 1, wherein: a plurality of force application holes (211) are formed in the outer peripheral wall of the fixing assembly (2).
5. The on-line monitoring device for the safety of a capsule-type anchor rod structure according to claim 1, wherein: the outer connecting ring (5) is arranged on the outer peripheral wall of the fixing assembly (2), the cross section of the outer connecting ring (5) is T-shaped, the connecting piece (4) is C-shaped in cross section, and the connecting piece (4) is slidably connected to the outer connecting ring (5) through a C-shaped opening.
6. The on-line monitoring device for the safety of a capsule-type anchor rod structure according to claim 1, wherein: the outer peripheral wall of the fixing component (2) is provided with a T-shaped annular groove (24), one surface of the connecting piece (4) close to the fixing component (2) is provided with a T shape, and the connecting piece (4) is in sliding fit in the T-shaped annular groove (24).
7. The on-line monitoring device for the safety of a capsule-type anchor rod structure according to claim 6, wherein: the anti-slip assembly (6) is a screw (64), the screw (64) penetrates through the connecting piece (4) and is in threaded connection with the connecting piece (4), and the end part of the screw (64) is abutted to the outer wall of the fixing assembly (2).
8. The on-line monitoring device for the safety of a capsule-type anchor rod structure according to claim 1, wherein: the fixing component (2) is an annular sleeve (23).
CN202321987703.9U 2023-07-26 2023-07-26 Bag type anchor rod structure safety on-line monitoring device Active CN220503976U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321987703.9U CN220503976U (en) 2023-07-26 2023-07-26 Bag type anchor rod structure safety on-line monitoring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321987703.9U CN220503976U (en) 2023-07-26 2023-07-26 Bag type anchor rod structure safety on-line monitoring device

Publications (1)

Publication Number Publication Date
CN220503976U true CN220503976U (en) 2024-02-20

Family

ID=89876748

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321987703.9U Active CN220503976U (en) 2023-07-26 2023-07-26 Bag type anchor rod structure safety on-line monitoring device

Country Status (1)

Country Link
CN (1) CN220503976U (en)

Similar Documents

Publication Publication Date Title
JP5778791B2 (en) Anchoring element
CA2432835C (en) Yielding strata bolt
WO2020224223A1 (en) Anchor rod for surrounding rock support and instability monitoring, and mounting method thereof
US5556233A (en) Rock anchor assembly
EP2959106B1 (en) Anchor head and anchor nut for a tension anchor
AT396390B (en) MOUNTAIN ANCHOR
US20140105690A1 (en) Tension Cable Bolt
JP6684007B1 (en) Crimping grip with screw rod and tension material using the same
EP3507509B1 (en) Distance sensor on anchor tip
CN220503976U (en) Bag type anchor rod structure safety on-line monitoring device
CN111537133A (en) Axial force measuring bolt structure and measuring method
CN115398081A (en) Rock bolt assembly including a sensor assembly
AU2010348888B2 (en) A yielding spiral bolt appendage for a rock bolt
EP1742029B1 (en) Force measuring device and use of a force measuring device
US4904123A (en) Expansion assembly for mine roof bolts utilized in small diameter bore holes
KR101987381B1 (en) Anti-loosing apparatus for nut
EP3817960B1 (en) Monitoring device for monitoring a temporary rail connection of two rail portions of a rail and rail connection system having such a monitoring device
WO1998013580A1 (en) A method of pre-stressing a tendon
CN110733525A (en) Positioning structure of antenna supports and bogie
KR101379770B1 (en) Apparatus for testing screw strength of ball joint
US6125708A (en) Quick installing axial deformation transducer
CN110700869B (en) Anchor rod supporting structure
JP3114796U (en) Specimen gripping device
CN216615822U (en) Real-time pre-tightening/alarming anti-seismic prestressed anchor rod
CN216102629U (en) Mounting structure of middle-placed motor and power-assisted bicycle

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant