CN113155382A - Movable bridge deflection detection device - Google Patents
Movable bridge deflection detection device Download PDFInfo
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- CN113155382A CN113155382A CN202110255978.2A CN202110255978A CN113155382A CN 113155382 A CN113155382 A CN 113155382A CN 202110255978 A CN202110255978 A CN 202110255978A CN 113155382 A CN113155382 A CN 113155382A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0008—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings of bridges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0075—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by means of external apparatus, e.g. test benches or portable test systems
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- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention provides a movable bridge deflection detection device which comprises an installation base, four support mechanisms, support rods and a detection mechanism, wherein the support rods are welded on the surface of the upper end of the installation base, the detection mechanism is fixed at the other end of each support rod, the number of the support mechanisms is four, the support mechanisms are installed on the installation base, the purpose of adjusting the angles of support feet can be achieved, the support feet in different directions can be quickly adjusted in height, the installation base is always in a horizontal state, a connecting rotating rod can be fixed, a rotating hand wheel cannot rotate, the support feet are fixed, and the support feet are more stable.
Description
Technical Field
The invention discloses a mobile bridge deflection detection device, and belongs to the technical field of bridge detection.
Background
The bridge deflection detector is used for measuring deflection. The deflectometer can measure the variation of the vertical distance of an object above at any angle, and is mainly used for measuring the static and dynamic deflection of the bridge and checking and identifying the completion of the bridge; detecting special bridges such as military floating bridges, suspension bridges and the like; monitoring the deformation and vibration displacement of the dam and the wharf; or deformation and vibration displacement of beams, columns, high-rise buildings, hoisting machinery, drilling platforms and the like of large-span structures. When the bridge deflection detection device in the prior art is used, due to the fact that the road surface under a bridge is uneven, a measuring module inside the bridge deflection detection device cannot be kept in a horizontal state, and the problem that errors are large easily occurs during detection is solved.
Therefore, a mobile bridge deflection detecting device is needed to solve the above problems.
Summary of the invention
Aiming at the problems in the prior art, the invention provides a mobile bridge deflection detection device.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a portable bridge amount of deflection detection device, includes installation base, supporting mechanism, bracing piece and detection mechanism, installation base upper end skin weld has the bracing piece, the other end of bracing piece is fixed with detection mechanism, supporting mechanism is provided with four, supporting mechanism installs on the installation base.
Further, detection mechanism includes fixed plate, detection module and ring seat, the fixed plate welding is on the top of bracing piece, fixed plate upper end skin weld has the ring seat, ring seat outer lane skin weld has a plurality of evenly distributed's fixed sleeve, the leftmost end that fixed sleeve internally mounted has is fixed with reset spring, reset spring's the other end is fixed on solid fixed ring, and solid fixed ring welds on the pull rod, the pull rod passes fixed sleeve and runs through the ring seat, the inside one end welding of ring seat has the clamp plate is arranged in to the pull rod, detection module places in the ring seat.
Furthermore, every all be provided with the rubber backing plate on the other terminal surface of clamp plate, the one end welding that the pull rod is located the fixed sleeve outside has the arm-tie, and is a plurality of clamp plate and rubber backing plate fix detection module in the ring seat.
Further, the supporting mechanism comprises a supporting foot, an arc-shaped sliding groove, a pushing rod and a connecting rod, a plurality of arc-shaped sliding rails which are uniformly distributed are welded on the upper end surface of the mounting base, the other ends of the arc-shaped sliding rails are welded on the supporting rod, four sliding grooves and rotating holes which are uniformly distributed are formed in the upper end surface of the mounting base, a first connecting rotating shaft is fixed in each rotating hole, a rotating hole is formed in the upper end of the front side surface of the supporting foot and penetrates through the rotating hole formed in the upper end of the front side surface of the supporting foot, the pushing rod is welded at the upper end of the supporting foot, a fixing rod is welded at the rear side surface of the pushing rod, a sliding block is welded at the other end of the fixing rod, a connecting block is fixed at the upper end of the lower surface of the pushing rod, the connecting rod is movably connected with the pushing rod through the connecting block, and a sliding guide rod is fixed in the sliding groove formed in the upper end surface of the mounting base, the utility model discloses a mounting structure, including installation base, mounting base, connecting rod, mounting base, mounting groove, mounting sleeve, connecting rotating rod, the last movable mounting of sliding guide arm has the installation slider, the other end swing joint of connecting rod is on the installation slider, the inside mounting groove of having seted up of installation base, the mounting groove communicates with the sliding tray that installation base upper end surface was seted up mutually, and the mounting groove internal fixation has two antifriction bearings, two install the transfer line between the antifriction bearing, helical gear one is installed to the transfer line left end, the transfer line runs through the installation slider completely, installation base upper end fixed surface has the connecting sleeve, install the connecting rotating rod in the.
Furthermore, the sliding groove has been seted up to arc slide rail front side surface area, the sliding groove is a type structure, the sliding block is a type structure, welded sliding block and sliding groove agree with and sliding block movable mounting is in the sliding groove on the dead lever mutually.
Further, the transfer line outer lane surface is carved with the external screw thread, the slip hole has been seted up on installation slider left side surface, and the slip hole inner circle surface is carved with the internal thread, the transfer line passes the slip hole and closes the connection soon through the screw thread, installation slider upper end surface rear side is seted up and is equipped with spread groove one, install in the spread groove one and connect the bull stick two, the connecting rod passes through spread groove one and connects two swing joint of pivot on the installation slider, spread groove two has been seted up on the fixed connecting block in lower surface upper end of catch bar, spread groove two internal fixation has the connection pivot three, the upper end of connecting rod is through spread groove two and the three swing joint of connection pivot on the catch bar.
Furthermore, a second bevel gear installed at the lower end of the rotating rod is in meshing transmission with a first bevel gear installed on the transmission rod.
Furthermore, a limiting stop ring is fixed inside the connecting sleeve, a reset spring is fixed on the surface of the upper end of the limiting stop ring, the other end of the reset spring is fixed on a rotating ring, the rotating ring is movably mounted on a connecting rotating rod, a first limiting clamping groove is formed in the bottom of the limiting stop ring, a sliding groove is formed in the surface of the inner ring of the limiting stop ring, two first limiting clamping blocks are arranged on the connecting rotating rod, a lower fixing rod is welded at the lower end of the connecting rotating rod, two second limiting clamping blocks are arranged on the lower fixing rod, a third connecting groove is formed in the surface of the upper end of the rotating rod, a second limiting clamping groove and a third limiting clamping groove are formed in the surface of the inner ring of the third connecting groove, and a rotating hand wheel is welded at the upper end of the connecting rotating rod.
The invention has the beneficial effects that: (1) according to the mobile bridge deflection detection device, the fixed plate, the fixed sleeve, the annular seat, the pull rod and the pressing plate are arranged, so that the detection module can be rapidly installed and detached, the detection module is convenient to overhaul and maintain, and the detection module cannot be damaged.
(2) According to the mobile bridge deflection detection device, the arc-shaped slide rail, the push rod, the support bottom feet, the mounting slide block and the connecting rod are arranged, so that the purpose of adjusting the angles of the support bottom feet can be achieved, the support bottom feet in different directions can be quickly adjusted in height, and the mounting base is always in a horizontal state.
(3) According to the movable bridge deflection detection device, the connecting rotating rod can be fixed through the connecting sleeve, the limiting stop ring, the connecting rotating rod, the limiting clamping block I, the limiting clamping groove I, the lower fixing rod, the limiting clamping block II, the limiting clamping groove II, the rotating rod and the limiting clamping groove III, so that the rotating hand wheel cannot rotate, the fixing of the supporting bottom feet is completed, and the supporting bottom feet are more stable.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of a mobile bridge deflection detection device according to the present invention;
FIG. 2 is a schematic cross-sectional view of a mobile bridge deflection detecting apparatus according to the present invention;
FIG. 3 is a schematic diagram of a transmission structure in the mobile bridge deflection detection device according to the present invention;
FIG. 4 is an enlarged schematic view of the position A in the mobile bridge deflection detecting device according to the present invention;
FIG. 5 is an enlarged schematic view of a position B in the mobile bridge deflection detecting apparatus according to the present invention;
FIG. 6 is an enlarged schematic view of the position C in the mobile bridge deflection detection apparatus according to the present invention;
FIG. 7 is a schematic cross-sectional view of a fixed sleeve of the mobile bridge deflection detecting apparatus according to the present invention;
fig. 8 is a schematic diagram of a detection mechanism in the mobile bridge deflection detection device according to the present invention.
In the figure: 1-mounting base, 2-supporting mechanism, 3-supporting rod, 4-detecting mechanism, 201-arc-shaped sliding rail, 202-sliding groove, 203-sliding block, 204-pushing rod, 205-rotating hand wheel, 206-connecting rotating shaft I, 207-supporting foot, 208-rolling bearing, 209-helical gear I, 210-helical gear II, 211-driving rod, 212-sliding guide rod, 213-mounting sliding block, 214-connecting groove I, 215-connecting rotating shaft II, 216-connecting rod, 217-connecting block, 218-connecting groove II, 219-connecting rotating shaft III, 220-connecting sleeve, 221-limit baffle ring, 222-reset spring I, 223-connecting rotating rod, 224-rotating ring, 225-limit fixture block I, 225-reset spring II, 223-connecting rotating rod, 226-a first limit clamping groove, 227-a lower fixing rod, 228-a second limit clamping block, 229-a second limit clamping groove, 230-a rotating rod, 231-a third limit clamping groove, 401-a fixing plate, 402-a pulling plate, 403-a fixing sleeve, 404-a detection module, 405-a circular ring seat, 406-a pulling rod, 407-a pressing plate, 408-a rubber cushion plate and 409-a second return spring.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to 8, the present invention provides a technical solution: the utility model provides a portable bridge amount of deflection detection device, includes installation base 1, supporting mechanism 2, bracing piece 3 and detection mechanism 4, and 1 upper end skin weld of installation base has bracing piece 3, and the other end of bracing piece 3 is fixed with detection mechanism 4, and supporting mechanism 2 is provided with four, and supporting mechanism 2 installs on installation base 1.
All be provided with rubber backing plate 408 on the other terminal surface of every clamp plate 407, the one end welding that pull rod 406 is located the fixed sleeve 403 outside has arm-tie 402, a plurality of clamp plates 407 and rubber backing plate 408 fix detection module 404 in ring seat 405, rubber backing plate 408 has good elasticity and plasticity, can be when clamp plate 407 fixes detection module 404, can play a good guard action to detection module 404, can not cause the damage to detection module 404, and it is fixed respond well.
The supporting mechanism 2 comprises a supporting foot 207, an arc chute, a pushing rod 204 and a connecting rod 216, the surface of the upper end of the mounting base 1 is welded with a plurality of arc slide rails 201 which are uniformly distributed, the other end of each arc slide rail 201 is welded on the supporting rod 3, the surface of the upper end of the mounting base 1 is provided with four sliding grooves 202 and rotating holes which are uniformly distributed, each rotating hole is internally fixed with a connecting rotating shaft I206, the upper end of the front side surface of the supporting foot 207 is provided with a rotating hole, the connecting rotating shaft I206 passes through the rotating hole which is formed in the upper end of the front side surface of the supporting foot 207, the upper end of the supporting foot 207 is welded with the pushing rod 204, the rear side surface of the pushing rod 204 is welded with a fixing rod, the other end of the fixing rod is welded with a sliding block 203, the upper end of the lower surface of the pushing rod 204 is fixed with a connecting block 217, the connecting rod 216 is movably connected with the pushing rod 204 through the connecting block 217, and a sliding guide rod 212 is fixed in the sliding groove 202 which is formed in the surface of the upper end of the mounting base 1, movable mounting has installation slider 213 on sliding guide 212, the other end swing joint of connecting rod 216 is on installation slider 213, the inside mounting groove of having seted up of installation base 1, the mounting groove is linked together with the sliding tray 202 that installation base 1 upper end surface was seted up, the mounting groove internal fixation has two antifriction bearings 208, install transfer line 211 between two antifriction bearings 208, helical gear 209 is installed to the transfer line 211 left end, transfer line 211 runs through installation slider 213 completely, installation base 1 upper end fixed surface has connecting sleeve 220, install in the connecting sleeve 220 and connect bull stick 223, the lower extreme of connecting bull stick 223 is connected with rotary rod 230, rotary rod 230 passes the lower extreme of installation base 1 and rotary rod 230 and installs two helical gears 210.
Sliding tray 202 has been seted up to arc slide rail 201 front side surface area, and sliding tray 202 is a type of protruding structure, and sliding block 203 is a type of protruding structure, and welded sliding block 203 agrees with mutually with sliding tray 202 on the dead lever and sliding block 203 movable mounting is in sliding tray 202, and catch bar 204 can rotate along arc slide rail 201 in the middle of carrying out the rotatory process, can make catch bar 204 play a guide effect when rotatory.
The surface of the outer ring of the transmission rod 211 is carved with an external thread, the surface of the left side of the installation sliding block 213 is provided with a sliding hole, the surface of the inner ring of the sliding hole is carved with an internal thread, the transmission rod 211 penetrates through the sliding hole and is connected in a screwing mode through the threads, the rear side of the surface of the upper end of the installation sliding block 213 is provided with a first connecting groove 214, a second connecting rotation rod 223 is installed in the first connecting groove 214, the connecting rod 216 is movably connected to the installation sliding block 213 through the first connecting groove 214 and a second connecting rotation shaft 215, the second connecting groove 218 is formed in a connecting block 217 fixed to the upper end of the lower surface of the push rod 204, a third connecting rotation shaft 219 is fixed in the second connecting groove 218, and the upper end of the connecting rod 216 is movably installed on the push rod 204 through the second connecting groove 218 and the third connecting rotation shaft 219.
The second bevel gear 210 installed at the lower end of the rotating rod 230 is in meshing transmission with the first bevel gear 209 installed on the transmission rod 211, the transmission effect is good, and the support feet can be quickly adjusted, so that the installation base 1 is always in a horizontal state.
The connecting sleeve 220 is internally fixed with a limiting stop ring 221, the surface of the upper end of the limiting stop ring 221 is fixed with a first return spring 222, the other end of the first return spring 222 is fixed on a rotating ring 224, the rotating ring 224 is movably mounted on a connecting rotating rod 223, a first limiting clamping groove 226 is formed in the bottom of the limiting stop ring 221, a sliding groove is formed in the surface of the inner ring of the limiting stop ring 221, two first limiting clamping blocks 225 are arranged on the connecting rotating rod 223, a lower fixing rod 227 is welded at the lower end of the connecting rotating rod 223, two second limiting clamping blocks 228 are arranged on the lower fixing rod 227, a third connecting groove is formed in the surface of the upper end of the rotating rod 230, a second limiting clamping groove 229 and a third limiting clamping groove 231 are formed in the surface of the inner ring of the third connecting groove, and a rotating hand wheel 205 is welded at the upper end of the connecting rotating rod 223.
In a specific embodiment, the pull rod 406 can be extruded inwards all the time under the action of the second reset spring 409, the user pulls the pull plate 402 outwards, then the detection module 404 is placed in the circular ring seat 405, the pull plate 402 is loosened immediately, the pull rod 406 returns to the original position under the action of the second reset spring 409, so that the detection module 404 is fixed in the circular ring seat 405, the quick installation and disassembly of the detection module 404 are realized, the detection module 404 is convenient to overhaul and maintain, and the working efficiency is effectively improved.
When the support foot is adjusted, firstly, a user presses the rotating hand wheel 205 downwards by hand, the connecting rotating rod 223 moves downwards along the sliding groove formed in the surface of the rotating rod 230, when two limit blocks two 228 on the surface of the outer ring of the connecting rotating rod 223 and a limit block three 231 are positioned on the same straight line, the rotating hand wheel 205 rotates forty-five degrees clockwise, the limit blocks two 228 at the moment can be clamped into the limit block three 231, so that the connecting rotating rod 223 and the rotating rod 230 are connected into a whole, then the rotating hand wheel 205 is rotated, the rotating hand wheel 205 rotates the rotating rod 230 along with the rotating hand wheel 205 through the connecting rotating rod 223, so that the bevel wheel two 210 rotates, and as the bevel wheel two 210 and the bevel wheel one 209 are in meshing transmission, the bevel wheel one 209 can drive the transmission rod 211 to rotate clockwise, and when the transmission rod 211 rotates, because the transmission rod 211 penetrates through the sliding hole and the transmission rod 211 is screwed with the mounting slider 213 through threads, the mounting slider 213 moves to the left under the action of the transmission rod 211, so that the connection rod 216 moves to the left along with the mounting slider 213, and the included angle between the pushing rod 204 and the mounting base 1 is larger and larger, because the pushing rod 204 is fixed on the supporting foot 207 and the mounting base 1 are movably connected through the first connection rotating shaft 206, the supporting foot 207 and the pushing rod 204 rotate around the first connection rotating shaft 206 at the moment, so that the purpose of adjusting the angle of the supporting foot 207 is achieved, the height of the supporting foot 207 is changed, the supporting foot 207 in different directions can be quickly adjusted in height, and the mounting base 1 is always in a horizontal state.
After the regulation of supporting footing 207 is accomplished, at first with rotatory hand wheel 205 anticlockwise rotation forty-five degrees, then the user continues to press rotatory hand wheel 205 downwards, connect what the bull stick 223 will be seted up along the spout continuation that carries out downstream on the surface on the rotary rod 230, after the spout bottom contact that the surface was seted up on the bottom of connecting the bull stick 223 and the rotary rod 230, with rotatory hand wheel 205 clockwise rotation forty-five degrees, spacing fixture block 225 this moment will be blocked in spacing draw-in groove 226, make and connect bull stick 223 and spacing fender ring 221 and be connected into an organic whole, thereby fix connecting the bull stick 223, make rotatory hand wheel 205 unable rotation, accomplish the fixing to supporting footing 207, make supporting footing 207 more firm.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a portable bridge amount of deflection detection device, includes installation base (1), supporting mechanism (2), bracing piece (3) and detection mechanism (4), its characterized in that: the bag surface welding of installation base (1) upper end has bracing piece (3), the other end of bracing piece (3) is fixed with detection mechanism (4), supporting mechanism (2) are provided with four, supporting mechanism (2) are installed on installation base (1).
2. The mobile bridge deflection detection device of claim 1, wherein: detection mechanism (4) are including fixed plate (401), detection module (404) and ring seat (405), fixed plate (401) welding is on the top of bracing piece (3), fixed plate (401) upper end skin weld has ring seat (405), ring seat (405) outer lane skin weld has a plurality of evenly distributed's fixed sleeve (403), fixed sleeve (403) internally mounted have the leftmost end be fixed with reset spring two (409), the other end of reset spring two (409) is fixed on solid fixed ring, solid fixed ring welding is on pull rod (406), pull rod (406) pass fixed sleeve (403) and run through ring seat (405), the inside one end welding of ring seat (405) has clamp plate (407) is arranged in pull rod (406), detection module (404) are placed in ring seat (405).
3. The mobile bridge deflection detection device of claim 2, wherein: and a rubber base plate (408) is arranged on the other end face of each pressing plate (407), a pulling plate (402) is welded at one end of the pulling rod (406) positioned on the outer side of the fixed sleeve (403), and the pressing plates (407) and the rubber base plates (408) fix the detection module (404) in the circular ring seat (405).
4. The mobile bridge deflection detection device of claim 1, wherein: the supporting mechanism (2) comprises supporting bottom feet (207), arc-shaped sliding grooves, a pushing rod (204) and a connecting rod (216), a plurality of arc-shaped sliding rails (201) which are uniformly distributed are welded on the upper end surface of the mounting base (1), the other ends of the arc-shaped sliding rails (201) are welded on the supporting rod (3), four sliding grooves (202) and rotating holes which are uniformly distributed are formed in the upper end surface of the mounting base (1), a connecting rotating shaft I (206) is fixed in each rotating hole, the upper end of the front side surface of each supporting bottom foot (207) is provided with a rotating hole, each connecting rotating shaft I (206) penetrates through the rotating hole formed in the upper end of the front side surface of each supporting bottom foot (207), the pushing rod (204) is welded at the upper end of each supporting bottom foot (207), a fixing rod is welded on the rear side surface of each pushing rod (204), and a sliding block (203) is welded at the other end of each fixing rod, the upper end of the lower surface of the push rod (204) is fixedly provided with a connecting block (217), the connecting rod (216) is movably connected with the push rod (204) through the connecting block (217), a sliding guide rod (212) is fixedly arranged in a sliding groove (202) formed in the surface of the upper end of the mounting base (1), a mounting sliding block (213) is movably mounted on the sliding guide rod (212), the other end of the connecting rod (216) is movably connected onto the mounting sliding block (213), a mounting groove is formed in the mounting base (1), the mounting groove is communicated with the sliding groove (202) formed in the surface of the upper end of the mounting base (1), two rolling bearings (208) are fixedly arranged in the mounting groove, a transmission rod (211) is mounted between the two rolling bearings (208), a first helical gear (209) is mounted at the left end of the transmission rod (211), and the transmission rod (211) completely penetrates through the mounting sliding block (213), the mounting base (1) upper end fixed surface has connecting sleeve (220), install in connecting sleeve (220) and connect bull stick (223), the lower extreme of connecting bull stick (223) is connected with rotary rod (230), helical gear two (210) are installed to the lower extreme that installation base (1) and rotary rod (230) are passed in rotary rod (230).
5. The mobile bridge deflection detection device of claim 4, wherein: the arc-shaped sliding rail is characterized in that a sliding groove (202) is formed in the front side of the arc-shaped sliding rail (201), the sliding groove (202) is of a convex structure, the sliding block (203) welded to the fixing rod is matched with the sliding groove (202), and the sliding block (203) is movably installed in the sliding groove (202).
6. The mobile bridge deflection detection device of claim 4, wherein: the surface of the outer ring of the transmission rod (211) is carved with external threads, the surface of the left side of the mounting slide block (213) is provided with a sliding hole, the surface of the inner ring of the sliding hole is carved with internal threads, the transmission rod (211) penetrates through the sliding hole and is connected with the sliding rod in a screwing mode through threads, a first connecting groove (214) is formed in the rear side of the surface of the upper end of the mounting sliding block (213), a second connecting rotating rod (223) is arranged in the first connecting groove (214), the connecting rod (216) is movably connected to the mounting sliding block (213) through the first connecting groove (214) and the second connecting rotating shaft (215), a second connecting groove (218) is arranged on a connecting block (217) fixed at the upper end of the lower surface of the push rod (204), a third connecting rotating shaft (219) is fixed in the second connecting groove (218), and the upper end of the connecting rod (216) is movably mounted on the push rod (204) through the second connecting groove (218) and the third connecting rotating shaft (219).
7. The mobile bridge deflection detection device of claim 4, wherein: and a second bevel gear (210) arranged at the lower end of the rotating rod (230) is in meshing transmission with a first bevel gear (209) arranged on the transmission rod (211).
8. The mobile bridge deflection detection device of claim 4, wherein: a limiting stop ring (221) is fixed inside the connecting sleeve (220), a first return spring (222) is fixed on the surface of the upper end of the limiting stop ring (221), the other end of the first return spring (222) is fixed on a rotating ring (224), the rotating ring (224) is movably mounted on a connecting rotating rod (223), a first limiting clamping groove (226) is formed in the bottom of the limiting stop ring (221), a sliding groove is formed in the surface of an inner ring of the limiting stop ring (221), two first limiting clamping blocks (225) are arranged on the connecting rotating rod (223), a lower fixing rod (227) is welded at the lower end of the connecting rotating rod (223), two second limiting clamping blocks (228) are arranged on the lower fixing rod (227), a third connecting groove is formed in the surface of the upper end of the rotating rod (230), a second limiting clamping groove (229) and a third limiting clamping groove (231) are formed in the surface of an inner ring of the third connecting groove, the upper end of the connecting rotating rod is welded with a rotating hand wheel (205).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110255978.2A CN113155382B (en) | 2021-03-09 | 2021-03-09 | Portable bridge deflection detection device |
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|---|---|---|---|
| CN202110255978.2A CN113155382B (en) | 2021-03-09 | 2021-03-09 | Portable bridge deflection detection device |
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| CN113155382B CN113155382B (en) | 2023-09-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115638712A (en) * | 2022-12-21 | 2023-01-24 | 江苏广亚建设集团有限公司 | Bridge steel structure amount of deflection detection device |
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| CN113155382B (en) | 2023-09-12 |
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