CN214621194U - Prism supporting device for linear monitoring of bridge deck replacement of tied arch bridge suspender - Google Patents
Prism supporting device for linear monitoring of bridge deck replacement of tied arch bridge suspender Download PDFInfo
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- CN214621194U CN214621194U CN202121071453.5U CN202121071453U CN214621194U CN 214621194 U CN214621194 U CN 214621194U CN 202121071453 U CN202121071453 U CN 202121071453U CN 214621194 U CN214621194 U CN 214621194U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 17
- 230000008093 supporting effect Effects 0.000 title description 8
- 230000005389 magnetism Effects 0.000 claims abstract description 32
- 239000011435 rock Substances 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000001179 sorption measurement Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
A prism strutting arrangement that is used for tie rod arch bridge jib to change linear monitoring of bridge floor, including vertical telescopic link and horizontal telescopic link, vertical telescopic link lower extreme is equipped with powerful magnetism base, horizontal telescopic link one end has first magnetism buckle through first ball hinged joint, the horizontal telescopic link other end has second magnetism buckle through second ball hinged joint, first magnetism buckle cover is at vertical telescopic link excircle, vertical telescopic link upper end is equipped with the prism frame of vertical setting, install the prism in the prism frame, vertical telescopic link lateral part is equipped with the circle level bubble. The utility model discloses simple structure, convenient operation through set up powerful magnetic base and add horizontal telescopic link and jib firm the being connected in vertical fixed socle portion, can effectively solve because of the bridge floor strong wind, hold pole personnel hand fatigue and rock the problem that vertical telescopic link caused the increase of accidental error of the linear elevation of bridge floor, has saved the manpower effectively to measuring precision has been improved.
Description
Technical Field
The utility model belongs to the technical field of measure, especially, relate to a prism strutting arrangement that is used for tie rod arch bridge jib to change linear monitoring of bridge floor.
Background
The bowstring arch bridge has the advantages of attractive structure, strong spanning capability and adaptability and excellent economic performance, is constructed on a large scale all over the country in recent years, and is mainly stressed in a way that the self weight of a bridge deck system and a transverse and longitudinal beam and the live load of the bridge deck are transferred to arch ribs through suspension rods for through-put and through-put arch bridges. Research shows that under the influence of factors such as the current technical level, the material quality, the overload of a bridge deck, the construction quality, the inadvisable later maintenance and the like, the tied arch bridge operated at present generally has the problems of corrosion of a suspender or an anchor head and the like, the safety and the durability of the suspender are reduced to a certain extent, and the tied arch bridge becomes the hidden danger of safe operation of the bridge. In order to avoid the safety accident of bridge collapse caused by the breakage of the suspender, the life and property safety of people is ensured, and more tied arch bridges need to be replaced with the suspender along with the increase of the operation time of the bridge, so that the use safety of the bridge structure is ensured. The monitoring of the hanger rod replacement construction is to ensure the structural safety of the hanger rod in the replacement construction process, and the stress and structural line shape of the hanger rod after replacement meet the design requirements. The monitoring content comprises the stress of the structure, the bridge deck linearity and the suspender cable force.
Modern construction technology is changing day by day, and people also put forward higher requirements on measurement accuracy. In the existing replacement engineering of the tied arch bridge suspender, the main mode of monitoring the bridge deck alignment is to adopt a prism erected on a permanent measuring point at the bottom beside the suspender by a total station aiming frame, at present, a support mode of the prism is that a vertical rod is supported by a measurer to stand on a point to be measured, and the prism is arranged on the vertical rod. However, aiming at the replacement construction engineering of the tied arch bridge suspender, the method has the following disadvantages: the method of holding the vertical rod by the hands of a measurer can cause the air bubbles in the circular level to deviate to a certain degree along with the influence of external environment and human factors, so that the vertical rod is inclined, and the measurement precision cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple to operate is swift, fixed firm, easily leveling, use manpower sparingly, ensure that measurement accuracy's a prism strutting arrangement that is used for tie rod arch bridge jib to change linear monitoring of bridge floor.
In order to solve the technical problem, the utility model adopts the following technical scheme: a prism strutting arrangement that is used for tie rod arch bridge jib to change linear monitoring of bridge floor, including vertical telescopic link and horizontal telescopic link, vertical telescopic link lower extreme is equipped with powerful magnetism base, horizontal telescopic link one end has first magnetism buckle through first ball hinged joint, the horizontal telescopic link other end has second magnetism buckle through second ball hinged joint, first magnetism buckle cover is at vertical telescopic link excircle, vertical telescopic link upper end is equipped with the prism frame of vertical setting, install the prism in the prism frame, vertical telescopic link lateral part is equipped with the circle level bubble.
Vertical telescopic link includes vertical fixed pipe and vertical flexible pipe, and vertical flexible pipe lower part slides and pegs graft in vertical fixed pipe, and vertical fixed pipe upper portion is equipped with and is used for sticising the first jackscrew handle that vertical flexible pipe made vertical flexible pipe location, rotates in the vertical flexible pipe upper end and is connected with branch, and vertical flexible pipe upper portion is equipped with and is used for sticising the second jackscrew handle that branch made the branch location, branch upper end and prism frame downside limit middle part fixed connection.
The outside length direction of following of vertical fixed pipe, vertical flexible pipe and branch is equipped with the scale, and 0 scale and the powerful magnetism base bottom surface of scale flush.
The transverse telescopic rod comprises a transverse fixing pipe and a transverse telescopic pipe, the transverse telescopic pipe is inserted in the transverse fixing pipe in a sliding mode, and a third jackscrew handle used for tightly pressing the transverse telescopic pipe to enable the transverse telescopic pipe to be positioned is arranged on the transverse fixing pipe.
The first magnetic buckle and the second magnetic buckle have the same structure; first magnetism buckle, second magnetism buckle all is including the first semicircle snap ring and the second semicircle snap ring that surround into cylindric structure, the one end of first semicircle snap ring is articulated through round pin axle and second semicircle snap ring, the other end of first semicircle snap ring outwards bends and forms first flat board, the second semicircle snap ring other end outwards bends and forms the second flat board, first flat board and the contact of second flat board, first flat board length is greater than the second flat board, first flat board inside inlays and is equipped with first magnet, the embedded second magnet that is equipped with of second flat board, first magnet and second magnet are opposite in the polarity of adjacent side.
The first ball hinge and the second ball hinge are identical in structure and comprise ball heads, connecting short rods and ball head seats, the ball heads are fixedly connected with the middle parts of the outer circles of the second semicircular clamping rings through the connecting short rods, ball head sockets are arranged in the ball head seats, and the ball heads are rotatably connected in the ball head sockets; the ball head seat of the first ball hinge is fixedly connected with one end part of the transverse fixed pipe, and the ball head seat of the second ball hinge is fixedly connected with one end part of the transverse telescopic pipe.
Powerful magnetism base includes the thick circular cone base down, and vertical fixed pipe lower extreme is fixed establishing at circular cone base upper end with the axial, and circular cone base is inside to be seted up the open cylinder hole in bottom, and the downthehole slip of cylinder is equipped with the strong magnet dish, and circular cone base is equipped with a plurality of extension spring that reset between the top in cylinder hole and strong magnet dish upper surface.
Adopt above-mentioned technical scheme, the utility model discloses when using, on handheld vertical telescopic link placed the permanent measurement station of bridge floor with conical base, powerful magnet dish produced magnetic attraction with the pre-buried iron plate of the permanent measurement station of bridge floor, and magnetic attraction is greater than reset tension spring's pulling force, and the powerful magnet piece adsorbs the permanent measurement station department of bridge floor along cylinder hole downstream, just so can make conical base and vertical telescopic link at the rigidity of bridge floor. Then a first semicircular clamping ring and a second semicircular clamping ring of the second magnetic buckle are separated, the first semicircular clamping ring and the second semicircular clamping ring are sleeved outside the hanging rod, the first flat plate is in contact with the second flat plate, and the hanging rod is firmly clamped by the first semicircular clamping ring and the second semicircular clamping ring of the second magnetic buckle under the action of the adsorption force of the first magnet and the second magnet; then, the third jackscrew handle is unscrewed, the transverse fixing pipe and the transverse telescopic pipe slide relatively, the first semicircular clamping ring and the second semicircular clamping ring of the first magnetic buckle are separated, the first semicircular clamping ring and the second semicircular clamping ring are sleeved outside the vertical fixing pipe, the first flat plate is in contact with the second flat plate, and the first semicircular clamping ring and the second semicircular clamping ring of the first magnetic buckle firmly clamp the vertical fixing pipe under the action of the adsorption force of the first magnet and the second magnet. Then after the vertical telescopic pipe is upwards drawn out to a proper height, the first jackscrew handle is screwed down to enable the vertical telescopic rod to be fastened with the vertical fixed rod into a whole, then the second jackscrew handle is unscrewed, the prism frame is rotated, the supporting rod rotates in the vertical telescopic pipe, after the prism angle corresponds to the sight of a total station which is placed in advance, the second jackscrew handle is screwed down to enable the supporting rod to be fastened with the vertical telescopic rod into a whole. And finally, finely adjusting the vertical telescopic rod (taking the powerful magnet disc as a fulcrum to move in all directions around), and screwing the third jackscrew handle after the circular level air bubbles at the side part of the vertical telescopic rod are leveled in the middle, so that the vertical telescopic rod is connected with the suspension rod into a whole through the transverse telescopic rod, and the supporting work of the prism is completed.
Horizontal telescopic link both can be followed the pole and extended and drawn back and can first ball hinge and second ball hinge relatively rotate to can not produce stress with horizontal telescopic link when the vertical telescopic link of readjustment hangs down straightness after first magnetism buckle and the second magnetism buckle of adaptation is installed earlier, ensure to adjust the flexibility and the convenience of hanging down straightness.
The magnetism buckle adopts two semicircle snap rings and through the mutual adsorbed mode of built-in magnet, and not only the adsorption affinity is big like this, convenient dismantlement moreover. The length of the first flat plate is larger than that of the second flat plate, the outer end of the first flat plate can be used as a wrench, the first flat plate and the second flat plate are pulled apart, and the effect of convenient operation is achieved. The magnetic buckles are adsorbed by magnetic force, so that the hanging rods with different models and sizes and the vertical fixing pipe can be fixed conveniently.
The bottom surface area of the conical base of the strong magnetic base is large and is in contact with the bridge floor, a good supporting effect is achieved, and meanwhile the strong magnet disc adsorbs iron blocks pre-buried in the permanent measuring points of the bridge floor, so that the effect of positioning the conical base to be immobile on the bridge floor is achieved.
The vertical telescopic rod is not stably erected on the bridge floor only by means of a powerful magnetic base, so that a transverse telescopic rod which can longitudinally extend along the axis of the rod and rotate around the axis is ingeniously added between the vertical telescopic rod and a suspender, the stability problem of the vertical telescopic rod is well solved, in view of the fact that a suspender replacement project needs to measure a plurality of adjacent suspender measuring points beside a target suspender, dismantling of an old suspender is graded unloading, tensioning of a new suspender is graded tensioning, and measurement needs to be carried out on permanent bridge floor measuring points before (after) each stage of tensioning or unloading, a measurer needs to move the vertical telescopic rod for many times, and in order to solve the problem, magnetic buckles connected by ball hinges are designed at two ends of the transverse telescopic rod, so that the disassembly and the fixation are facilitated, the measurement progress is accelerated, and the labor is saved.
Through set up the jackscrew handle on horizontal telescopic link, the arbitrary direction of cooperation bulb in the bulb nest can control the rotation again, and then can adjust the round level bubble on the vertical telescopic link effectively and make its accurate centering, the effectual precision of guaranteeing the measurement.
To sum up, the utility model discloses simple structure, convenient operation through set up powerful magnetic base and add horizontal telescopic link and jib firm the being connected in vertical fixed socle portion, can effectively solve because of the bridge floor strong wind, hold pole personnel hand fatigue and rock the problem that vertical telescopic link caused the increase of accidental error of the linear elevation of bridge floor, has saved the manpower effectively to measuring precision has been improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the internal connection structure of the first magnetic latch and the first ball hinge in fig. 1 in a top view.
Fig. 3 is an enlarged view of the high force magnetic mount of fig. 1.
Detailed Description
As shown in fig. 1-3, the utility model discloses a prism strutting arrangement for linear monitoring of tie rod arch bridge jib is changed to tie rod arch bridge jib, including vertical telescopic link and horizontal telescopic link, the vertical telescopic link lower extreme is equipped with powerful magnetism base 1, horizontal telescopic link one end is connected with first magnetism buckle 3 through first ball hinge 2, the horizontal telescopic link other end is connected with second magnetism buckle 5 through second ball hinge 4, 3 covers of first magnetism buckle are at vertical telescopic link excircle, the vertical telescopic link upper end is equipped with the prism frame 6 of vertical setting, install prism 7 in the prism frame 6, the vertical telescopic link lateral part is equipped with circle level bubble 8.
Vertical telescopic link includes vertical fixed pipe 9 and vertical flexible pipe 10, vertical flexible pipe 10 lower part slides and pegs graft in vertical fixed pipe 9, vertical fixed pipe 9 upside portion is equipped with and is used for sticising vertical flexible pipe 10 and makes the first jackscrew handle 11 of vertical flexible pipe 10 location, it is connected with branch 12 to rotate in the vertical flexible pipe 10 upper end, vertical flexible pipe 10 upside portion is equipped with and is used for sticising branch 12 and makes the second jackscrew handle 13 of branch 12 location, branch 12 upper end and prism frame 6 downside limit middle fixed connection.
The outside of vertical fixed tube 9, vertical flexible pipe 10 and branch 12 is equipped with the scale along length direction, and 0 scale and the powerful magnetic base 1 bottom surface of scale are leveled.
The transverse telescopic rod comprises a transverse fixing tube 14 and a transverse telescopic tube 15, the transverse telescopic tube 15 is slidably inserted into the transverse fixing tube 14, and a third jackscrew handle 16 for pressing the transverse telescopic tube 15 to position the transverse telescopic tube 15 is arranged on the transverse fixing tube 14.
The first magnetic buckle 3 and the second magnetic buckle 5 have the same structure; first magnetism buckle 3, second magnetism buckle 5 is all including the first semicircle snap ring 17 and the second semicircle snap ring 18 that surround into cylindric structure, the one end of first semicircle snap ring 17 is articulated through round pin axle 20 and second semicircle snap ring 18, the other end of first semicircle snap ring 17 outwards bends and forms first flat board 19, the outside bending of the other end of second semicircle snap ring 18 forms second flat board 21, first flat board 19 and the dull and stereotyped 21 contact of second, first flat board 19 length is greater than the second flat board 21, first flat board 19 is inside to be inlayed and is equipped with first magnet 22, the embedded second magnet 23 that is equipped with of second flat board 21, first magnet 22 and second magnet 23 are opposite in the polarity of adjacent side.
The first ball hinge 2 and the second ball hinge 4 are identical in structure, the first ball hinge 2 and the second ball hinge 4 respectively comprise a ball head 24, a connecting short rod 25 and a ball head seat 26, the ball head 24 is fixedly connected with the middle part of the excircle of the second semicircular snap ring 18 through the connecting short rod 25, a ball head socket is arranged in the ball head seat 26, and the ball head 24 is rotatably connected in the ball head socket; the ball socket 26 of the first ball hinge 2 is fixedly connected to one end of the transverse fixed pipe 14, and the ball socket 26 of the second ball hinge 4 is fixedly connected to one end of the transverse telescopic pipe 15.
Powerful magnetic base 1 includes thin thick conical base 27 down, and vertical fixed 9 lower extremes of pipe are fixed establishing at conical base 27 upper end with the axial, and conical base 27 is inside to be seted up the open cylinder hole 28 in bottom, and the interior strong magnet dish 29 that is equipped with of cylinder hole 28, conical base 27 are equipped with a plurality of reset extension spring 30 between the top of cylinder hole 28 and strong magnet dish 29 upper surface.
The utility model discloses when using, on handheld vertical telescopic link placed bridge floor permanent measurement station with circular cone base 27, strong magnet dish 29 produced magnetic attraction with the pre-buried iron plate of bridge floor permanent measurement station, and magnetic attraction is greater than reset tension spring 30's pulling force, and the strong magnet piece adsorbs the permanent measurement point department of bridge floor along cylinder hole 28 lapse, just so can make circular cone base 27 and vertical telescopic link at the rigidity of bridge floor. Then, the first semicircular snap ring 17 and the second semicircular snap ring 18 of the second magnetic buckle 5 are separated, the first semicircular snap ring 17 and the second semicircular snap ring 18 are sleeved outside the suspension rod 31, the first flat plate 19 is in contact with the second flat plate 21, and the suspension rod 31 is firmly clamped by the first semicircular snap ring 17 and the second semicircular snap ring 18 of the second magnetic buckle 5 under the action of the adsorption force of the first magnet 22 and the second magnet 23; then, the third jackscrew handle 16 is unscrewed, the transverse fixing tube 14 and the transverse extension tube 15 slide relatively, the first semicircular clamping ring 17 and the second semicircular clamping ring 18 of the first magnetic buckle 3 are separated, the first semicircular clamping ring 17 and the second semicircular clamping ring 18 are sleeved outside the vertical fixing tube 9, the first flat plate 19 is in contact with the second flat plate 21, and the first semicircular clamping ring 17 and the second semicircular clamping ring 18 of the first magnetic buckle 3 firmly clamp the vertical fixing tube 9 under the action of the adsorption force of the first magnet 22 and the second magnet 23. Then upwards take out vertical flexible pipe 10 to suitable height after, screw up first jackscrew handle 11 and make vertical telescopic link and vertical dead lever fastening as an organic whole, unscrew second jackscrew handle 13 afterwards, rotate prism frame 6, branch 12 is at vertical flexible pipe 10 internal rotation, makes the prism 7 angle and the total powerstation sight of placing in advance correspond the back, screws up second jackscrew handle 13 and makes branch 12 and vertical telescopic fastening as an organic whole. And finally, finely adjusting the vertical telescopic rod (taking the powerful magnet disc 29 as a fulcrum and moving the vertical telescopic rod in all directions around), after the circular level bubble 8 at the side part of the vertical telescopic rod is leveled in the middle, screwing the third jackscrew handle 16, and connecting the vertical telescopic rod with the suspender 31 into a whole through the transverse telescopic rod to complete the supporting work of the prism 7.
Horizontal telescopic link both can be followed the pole and extended and drawn back and can first ball hinge 2 and the relative rotation of second ball hinge 4 to the adaptation can not produce stress with horizontal telescopic link when adjusting vertical telescopic link straightness that hangs down again behind first magnetism buckle 3 of installation and second magnetism buckle 5 earlier, ensures to adjust straightness's that hangs down flexibility and convenience.
The magnetism buckle adopts two semicircle snap rings and through the mutual adsorbed mode of built-in magnet, and not only the adsorption affinity is big like this, convenient dismantlement moreover. The length of the first flat plate 19 is larger than that of the second flat plate 21, the outer end of the first flat plate 19 can be used as a wrench to pull the first flat plate 19 and the second flat plate 21 apart, and the operation is convenient. The magnetic buckle adopts magnetic force to adsorb, is convenient for fix different model sizes's jib 31 and vertical fixed pipe 9.
The bottom surface area of the conical base 27 of the strong magnetic base 1 is large and is in contact with the bridge floor, so that a good supporting effect is achieved, and meanwhile, the strong magnet disc 29 adsorbs iron blocks pre-embedded at the permanent measuring point of the bridge floor, so that the effect of positioning the conical base 27 to be immobile on the bridge floor is achieved.
The vertical telescopic rod is not stably erected on the bridge floor only by means of a powerful magnetic base 1, a transverse telescopic rod which can longitudinally extend along the axis of the rod and rotate around the axis is ingeniously added between the vertical telescopic rod and the suspender 31, the stability problem of the vertical telescopic rod is well solved, in view of the fact that a plurality of suspender 31 measuring points adjacent to a target suspender 31 need to be measured in a suspender 31 replacing project, dismantling of an old suspender 31 is graded unloading, tensioning of a new suspender 31 is graded tensioning, and measurement needs to be carried out on bridge floor permanent measuring points before (after) each stage of tensioning or unloading, the vertical telescopic rod needs to be moved for many times by a measurer, and in order to solve the problem, magnetic buckles connected by spherical hinges are designed at two ends of the transverse telescopic rod, so that the disassembly and the fixation are facilitated, the measurement progress is accelerated, and the labor is saved.
Through set up the jackscrew handle on horizontal telescopic link, the arbitrary direction of bulb 24 in the bulb nest of deuterogamying can control the rotation, and then can adjust round level bubble 8 on the vertical telescopic link effectively and make its accurate centering, the effectual precision of having guaranteed the measurement.
The foregoing embodiments illustrate the principles and features of the present invention, but the above only illustrates the preferred embodiments of the present invention, and is not limited by the embodiments. In the light of the above disclosure, the present invention is not limited to the embodiments described above, but rather can be applied to other embodiments without departing from the scope of the present invention. Therefore, the appended claims should be accorded the full scope of protection and protection to the present invention.
Claims (7)
1. A prism strutting arrangement that is used for tied arch bridge jib to change linear monitoring of bridge floor, its characterized in that: including vertical telescopic link and horizontal telescopic link, vertical telescopic link lower extreme is equipped with powerful magnetism base, and horizontal telescopic link one end has first magnetism buckle through first ball hinged joint, and the horizontal telescopic link other end has second magnetism buckle through second ball hinged joint, and first magnetism buckle overlaps at vertical telescopic link excircle, and vertical telescopic link upper end is equipped with the prism frame of vertical setting, installs the prism in the prism frame, and vertical telescopic link lateral part is equipped with the circle air level bubble.
2. A prismatic support device for linear monitoring of tied arch bridge boom replacement deck according to claim 1, wherein: vertical telescopic link includes vertical fixed pipe and vertical flexible pipe, and vertical flexible pipe lower part slides and pegs graft in vertical fixed pipe, and vertical fixed pipe upper portion is equipped with and is used for sticising the first jackscrew handle that vertical flexible pipe made vertical flexible pipe location, rotates in the vertical flexible pipe upper end and is connected with branch, and vertical flexible pipe upper portion is equipped with and is used for sticising the second jackscrew handle that branch made the branch location, branch upper end and prism frame downside limit middle part fixed connection.
3. A prismatic support device for linear monitoring of tied arch bridge boom replacement deck according to claim 1 or 2, wherein: the outside length direction of following of vertical fixed pipe, vertical flexible pipe and branch is equipped with the scale, and 0 scale and the powerful magnetism base bottom surface of scale flush.
4. A prismatic support device for linear monitoring of tied arch bridge boom replacement deck according to claim 3, wherein: the transverse telescopic rod comprises a transverse fixing pipe and a transverse telescopic pipe, the transverse telescopic pipe is inserted in the transverse fixing pipe in a sliding mode, and a third jackscrew handle used for tightly pressing the transverse telescopic pipe to enable the transverse telescopic pipe to be positioned is arranged on the transverse fixing pipe.
5. A prismatic support device for linear monitoring of tied arch bridge boom replacement deck according to claim 4, wherein: the first magnetic buckle and the second magnetic buckle have the same structure; first magnetism buckle, second magnetism buckle all is including the first semicircle snap ring and the second semicircle snap ring that surround into cylindric structure, the one end of first semicircle snap ring is articulated through round pin axle and second semicircle snap ring, the other end of first semicircle snap ring outwards bends and forms first flat board, the second semicircle snap ring other end outwards bends and forms the second flat board, first flat board and the contact of second flat board, first flat board length is greater than the second flat board, first flat board inside inlays and is equipped with first magnet, the embedded second magnet that is equipped with of second flat board, first magnet and second magnet are opposite in the polarity of adjacent side.
6. A prismatic support device for linear monitoring of tied arch bridge boom replacement deck according to claim 5, wherein: the first ball hinge and the second ball hinge are identical in structure and comprise ball heads, connecting short rods and ball head seats, the ball heads are fixedly connected with the middle parts of the outer circles of the second semicircular clamping rings through the connecting short rods, ball head sockets are arranged in the ball head seats, and the ball heads are rotatably connected in the ball head sockets; the ball head seat of the first ball hinge is fixedly connected with one end part of the transverse fixed pipe, and the ball head seat of the second ball hinge is fixedly connected with one end part of the transverse telescopic pipe.
7. A prismatic support device for linear monitoring of tied arch bridge boom replacement deck according to claim 2, wherein: powerful magnetism base includes the thick circular cone base down, and vertical fixed pipe lower extreme is fixed establishing at circular cone base upper end with the axial, and circular cone base is inside to be seted up the open cylinder hole in bottom, and the downthehole slip of cylinder is equipped with the strong magnet dish, and circular cone base is equipped with a plurality of extension spring that reset between the top in cylinder hole and strong magnet dish upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121071453.5U CN214621194U (en) | 2021-05-19 | 2021-05-19 | Prism supporting device for linear monitoring of bridge deck replacement of tied arch bridge suspender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121071453.5U CN214621194U (en) | 2021-05-19 | 2021-05-19 | Prism supporting device for linear monitoring of bridge deck replacement of tied arch bridge suspender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214621194U true CN214621194U (en) | 2021-11-05 |
Family
ID=78408067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121071453.5U Expired - Fee Related CN214621194U (en) | 2021-05-19 | 2021-05-19 | Prism supporting device for linear monitoring of bridge deck replacement of tied arch bridge suspender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214621194U (en) |
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2021
- 2021-05-19 CN CN202121071453.5U patent/CN214621194U/en not_active Expired - Fee Related
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Granted publication date: 20211105 |