CN113155382B - Portable bridge deflection detection device - Google Patents
Portable bridge deflection detection device Download PDFInfo
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- CN113155382B CN113155382B CN202110255978.2A CN202110255978A CN113155382B CN 113155382 B CN113155382 B CN 113155382B CN 202110255978 A CN202110255978 A CN 202110255978A CN 113155382 B CN113155382 B CN 113155382B
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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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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention provides a mobile bridge deflection detection device which comprises a mounting base, supporting mechanisms, supporting rods and detection mechanisms, wherein the supporting rods are welded on the upper end surface of the mounting base, the detection mechanisms are fixed on the other ends of the supporting rods, the four supporting mechanisms are arranged on the mounting base, the purpose of adjusting the angles of supporting feet can be achieved, the heights of the supporting feet in different directions can be quickly adjusted, the mounting base is always in a horizontal state, the connecting rotating rods can be fixed, the rotating hand wheels cannot rotate, the fixing of the supporting feet is completed, and the supporting feet are more stable.
Description
Technical Field
The invention relates to a movable bridge deflection detection device, and belongs to the technical field of bridge detection.
Background
The bridge deflection detector is used for measuring deflection. The deflection meter can measure the variation of the vertical distance of the object above at any angle, and is mainly used for measuring static and dynamic deflection of the bridge, and checking and accepting the completion of the bridge and identifying the completion of the bridge; detecting special bridges such as military floating bridges, hanging bridges and the like; monitoring deformation and vibration displacement of a dam and a wharf; or the deformation and vibration displacement of beams, columns, high-rise buildings, hoisting machinery, drilling platforms and the like with large-span structures. When the bridge deflection detection device in the prior art is used, the measuring module in the bridge deflection detection device cannot be kept in a horizontal state due to the unevenness of the road surface under the bridge, and the problem of large error is easily generated during detection.
Therefore, it is necessary to design a mobile bridge deflection detection device 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 for solving the technical problems is as follows: the utility model provides a portable bridge deflection detection device, includes installation base, supporting mechanism, bracing piece and detection mechanism, installation base upper end surface welding 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 welds the top at the bracing piece, fixed plate upper end surface welding has the ring seat, ring seat outer lane surface welding has a plurality of evenly distributed's fixed sleeve, fixed sleeve internally mounted's leftmost end is fixed with reset spring, reset spring's the other end is fixed on the fixed ring, and fixed ring welding is 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.
Further, each pressing plate is provided with a rubber backing plate on the other end face, one end of the pull rod, which is located at the outer side of the fixing sleeve, is welded with a pull plate, and the plurality of pressing plates and the rubber backing plates fix the detection module in the circular ring seat.
Further, supporting mechanism includes supporting foot, arc spout, catch bar and connecting rod, the welding of installation base upper end surface has a plurality of evenly distributed's arc slide rail, the other end welding of arc slide rail is on the bracing piece, four evenly distributed's spread groove and rotatory hole have been seted up to installation base upper end surface, all be fixed with one in every rotatory hole and connect pivot one, the rotatory hole has been seted up to supporting foot front side surface upper end, the rotatory hole of supporting foot front side surface upper end was seted up is passed to connecting pivot one, supporting foot upper end welding has the catch bar, the rear side surface welding on the catch bar has the dead lever, and the other end welding of dead lever has the sliding block, the lower surface upper end of catch bar is fixed with the connecting block, the connecting rod passes through connecting block and catch bar swing joint, the sliding groove internal fixation who installs base upper end surface and set up has the installation slider, the other end swing joint of connecting rod is on the installation slider, installation base internal portion has the mounting groove, the installation groove is connected with two in-side surface mounting groove and the installation base upper end surface of installation base is connected with the inside the rotating rod, the rotating rod has the rotating rod, two end rolling sleeve is connected with the inside the rolling sleeve, the rolling sleeve is connected with the inside the rolling sleeve.
Further, the sliding groove is formed in the surface area of the front side of the arc-shaped sliding rail, the sliding groove is of a convex structure, the sliding block is of a convex structure, and the sliding block welded on the fixing rod is matched with the sliding groove and movably mounted in the sliding groove.
Further, the external screw thread has been carved with on the transfer line outer lane surface, the sliding hole has been seted up to installation slider left side surface, and the internal screw thread has been carved with on the sliding hole inner circle surface, the transfer line passes the sliding hole and closes the connection through the screw thread soon, the spread groove has been seted up to installation slider upper end surface rear side, install in the spread groove and connect bull stick second, the connecting rod passes through spread groove first and connects pivot second swing joint on the installation slider, offered on the fixed connecting block of lower surface upper end of push rod spread groove second, be fixed with in the spread groove second and connect the pivot third, the upper end of connecting rod is through spread groove second and connect three movable mounting of pivot on the push rod.
Further, a bevel gear II arranged at the lower end of the rotary rod is meshed with a bevel gear I arranged on the transmission rod for transmission.
Further, the inside spacing baffle ring that is fixed with of connecting sleeve, spacing baffle ring upper end fixed surface has reset spring, reset spring's the other end is fixed on the swivel becket, swivel becket movable mounting is on connecting the bull stick, spacing draw-in groove one has been seted up to spacing baffle ring bottom, the spout has been seted up on spacing baffle ring inner circle surface, be provided with two spacing fixture blocks one on the connecting the bull stick, the lower extreme welding of connecting the bull stick has down the dead lever, be provided with two spacing fixture blocks two on the dead lever down, the spread groove three has been seted up on the rotary rod upper end surface, spacing fixture groove two and spacing fixture groove three have been seted up on the three inner circle surfaces of spread groove, the welding of connecting the bull stick upper end has rotatory hand wheel.
The invention has the beneficial effects that: (1) According to the mobile bridge deflection detection device, through the fixed plate, the fixed sleeve, the circular ring seat, the pull rod and the pressing plate, the detection module is quickly installed and detached, the detection module is convenient to overhaul and maintain, and the detection module is not damaged.
(2) According to the mobile bridge deflection detection device, the arc-shaped sliding rail, the pushing rod, the supporting footing, the installation sliding block and the connecting rod are arranged, so that the purpose of adjusting the angle of the supporting footing can be achieved, the heights of the supporting footing in different directions can be quickly adjusted, and the installation base is always in a horizontal state.
(3) According to the mobile bridge deflection detection device, the connecting sleeve, the limiting baffle 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 are arranged, so that the connecting rotating rod can be fixed, the rotating hand wheel can not rotate, the fixing of the supporting footing is completed, and the supporting footing is more stable.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of a mobile bridge deflection detection device;
FIG. 2 is a schematic view of a cross-section of a mobile bridge deflection detection device according to the present invention;
FIG. 3 is a schematic diagram of a transmission structure in a 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 the position B in the mobile bridge deflection detecting device according to the present invention;
FIG. 6 is an enlarged schematic view of a portion C of a mobile bridge deflection detection device according to the present invention;
FIG. 7 is a schematic cross-sectional view of a stationary sleeve in a mobile bridge deflection inspection device according to the present invention;
fig. 8 is a schematic diagram of a detection mechanism in the mobile bridge deflection detection device of the present invention.
In the figure: 1-mounting base, 2-supporting mechanism, 3-supporting rod, 4-detecting mechanism, 201-arc slide rail, 202-sliding groove, 203-sliding block, 204-pushing rod, 205-rotating hand wheel, 206-connecting rotating shaft one, 207-supporting foot, 208-rolling bearing, 209-helical gear one, 210-helical gear two, 211-driving rod, 212-sliding guide rod, 213-mounting slide block, 214-connecting groove one, 215-connecting rotating shaft two, 216-connecting rod, 217-connecting block, 218-connecting groove two, 219-connecting rotating shaft three, 220-connecting sleeve, 221-limiting baffle ring, 222-restoring spring one, 223-connecting rotating rod, 224-rotating ring, 225-limiting clamping block one, 226-limiting clamping groove one, 227-lower fixing rod, 228-limiting clamping groove two, 229-limiting clamping groove two, 230-rotating rod, 231-limiting clamping groove three, 401-fixing plate, 402-pulling plate, 403-fixing sleeve, 404-detecting module, 405-ring seat, 406-pulling rod, 407-pressing plate, 408-rubber backing plate, 409-restoring spring two.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Referring to fig. 1 to 8, the present invention provides a technical solution: the utility model provides a portable bridge deflection detection device, includes installation base 1, supporting mechanism 2, bracing piece 3 and detection mechanism 4, and installation base 1 upper end surface welding 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.
The detection mechanism 4 comprises a fixed plate 401, a detection module 404 and a circular ring seat 405, wherein the fixed plate 401 is welded at the top end of the supporting rod 3, the circular ring seat 405 is welded on the upper end surface of the fixed plate 401, a plurality of evenly distributed fixed sleeves 403 are welded on the outer ring surface of the circular ring seat 405, the leftmost end of each fixed sleeve 403 is fixedly provided with a second reset spring 409, the other end of each second reset spring 409 is fixed on the fixed ring, the fixed rings are welded on a pull rod 406, the pull rod 406 penetrates through the fixed sleeve 403 and penetrates through the circular ring seat 405, a pressing plate 407 is welded at one end of the pull rod 406 inside the circular ring seat 405, the detection module 404 is placed in the circular ring seat 405, the detection module 404 is quickly installed and detached, the detection module 404 is convenient to overhaul and maintain, and the working efficiency is effectively improved.
The other end face of each pressing plate 407 is provided with a rubber backing plate 408, one end of each pull rod 406, which is located outside the fixing sleeve 403, is welded with the pull plate 402, the plurality of pressing plates 407 and the rubber backing plates 408 fix the detection module 404 in the circular ring seat 405, the rubber backing plates 408 have good elasticity and plasticity, and can play a good protection role on the detection module 404 when the pressing plates 407 fix the detection module 404, the detection module 404 cannot be damaged, and the fixing effect is good.
The supporting mechanism 2 comprises a supporting foot 207, an arc chute, a pushing rod 204 and a connecting rod 216, wherein a plurality of arc slide rails 201 which are uniformly distributed are welded on the upper end surface of the installation base 1, the other ends of the arc slide rails 201 are welded on the supporting rod 3, four uniformly distributed slide grooves 202 and rotating holes are formed on the upper end surface of the installation base 1, a first connecting rotating shaft 206 is fixed in each rotating hole, a rotating hole is formed on the upper end of the front side surface of the supporting foot 207, the first connecting rotating shaft 206 penetrates through the rotating hole formed on the upper end of the front side surface of the supporting foot 207, the pushing rod 204 is welded on the upper end of the supporting foot 207, a fixed rod is welded on the rear side surface of the pushing rod 204, a sliding block 203 is welded on the other end of the fixed rod, a connecting block 217 is fixed on the upper end of the lower surface of the pushing rod 204, the connecting rod 216 is movably connected with the pushing rod 204 through the connecting block 217, the sliding guide 212 is fixed in the sliding groove 202 formed in the upper end surface of the installation base 1, the installation slider 213 is movably installed on the sliding guide 212, the other end of the connecting rod 216 is movably connected to the installation slider 213, the installation groove is formed in the installation base 1 and is communicated with the sliding groove 202 formed in the upper end surface of the installation base 1, two rolling bearings 208 are fixed in the installation groove, a transmission rod 211 is installed between the two rolling bearings 208, a first bevel gear 209 is installed at the left end of the transmission rod 211, the transmission rod 211 completely penetrates through the installation slider 213, a connecting sleeve 220 is fixed on the upper end surface of the installation base 1, a connecting rotating rod 223 is installed in the connecting sleeve 220, the lower end of the connecting rotating rod 223 is connected with a rotating rod 230, the rotating rod 230 penetrates through the installation base 1, and a second bevel gear 210 is installed at the lower end of the rotating rod 230.
The sliding groove 202 is formed in the front surface area of the arc-shaped sliding rail 201, the sliding groove 202 is of a convex structure, the sliding block 203 welded on the fixed rod is matched with the sliding groove 202, the sliding block 203 is movably mounted in the sliding groove 202, the pushing rod 204 rotates along the arc-shaped sliding rail 201 in the rotating process, and the pushing rod 204 can play a guiding role in the rotating process.
External threads are carved on the outer ring surface of the transmission rod 211, a sliding hole is formed on the left side surface of the installation sliding block 213, internal threads are carved on the inner ring surface of the sliding hole, the transmission rod 211 penetrates through the sliding hole and is connected through threaded screwing, a first connecting groove 214 is formed on the rear side of the upper end surface of the installation sliding block 213, a second connecting 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 rotating shaft 215, a second connecting groove 218 is formed on a connecting block 217 fixed on the upper end of the lower surface of the pushing 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 installed on the pushing rod 204 through the second connecting groove 218 and the third connecting rotating shaft 219.
The bevel gear two 210 installed at the lower end of the rotating rod 230 is meshed with the bevel gear one 209 installed on the transmission rod 211 for transmission, so that the transmission effect is good, and the support foot can be quickly adjusted, so that the installation base 1 is always in a horizontal state.
The inside spacing baffle ring 221 that is fixed with of connecting sleeve 220, spacing baffle ring 221 upper end surface fixation has reset spring one 222, reset spring one 222's the other end is fixed on rotatory ring 224, rotatory ring 224 movable mounting is on connecting bull stick 223, spacing draw-in groove one 226 has been seted up to spacing baffle ring 221 bottom, the spout has been seted up to spacing baffle ring 221 inner circle surface, be provided with two spacing fixture blocks one 225 on the connecting bull stick 223, the lower extreme welding of connecting bull stick 223 has lower dead lever 227, be provided with two spacing fixture blocks two 228 on the lower dead lever 227, connecting groove three has been seted up on rotary rod 230 upper end surface, spacing draw-in groove two 229 and spacing draw-in groove three 231 have been seted up on connecting groove three inner circle surface, the welding of connecting bull stick 223 upper end has rotatory hand wheel 205.
In particular embodiments, the pull rod 406 can always be extruded inwards under the action of the second reset spring 409, the user pulls the pull plate 402 outwards, then places the detection module 404 in the circular ring seat 405, and then releases the pull plate 402, 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, 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 supporting feet are adjusted, firstly, a user presses down the rotating hand wheel 205 by hand, the connecting rotating rod 223 moves downwards along the sliding groove formed on the surface of the rotating rod 230, when two limiting clamping blocks II 228 on the outer ring surface of the connecting rotating rod 223 are positioned on the same straight line with the limiting clamping groove III 231, the rotating hand wheel 205 rotates forty-five degrees clockwise, at the moment, the limiting clamping blocks II 228 are clamped into the limiting clamping groove III 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 gear II 210 rotates, the bevel gear II 210 and the bevel gear I209 are meshed and transmitted, the bevel gear I209 drives the transmission rod 211 to rotate clockwise, when the transmission rod 211 rotates, the transmission rod 211 passes through the sliding hole and the transmission rod 211 is connected with the installation sliding block 213 through screw thread screwing, so the installation sliding block 213 moves leftwards under the action of the transmission rod 211, the connecting rod 216 moves leftwards along with the installation sliding block 213, the included angle between the pushing rod 204 and the installation base 1 is larger and larger, the pushing rod 204 is fixed on the supporting foot 207, the supporting foot 207 is movably connected with the installation base 1 through the connecting rotating shaft I206, the supporting foot 207 and the pushing rod 204 rotate around the connecting rotating shaft I206 at the moment, the aim of adjusting the angle of the supporting foot 207 is fulfilled, the height of the supporting foot 207 is changed, the supporting foot 207 in different directions can be quickly adjusted, so that the mounting base 1 is always in a horizontal state.
When the adjustment of the supporting foot 207 is completed, the rotating hand wheel 205 is rotated counterclockwise by forty-five degrees, then the user continuously presses the rotating hand wheel 205 downwards, the connecting rotating rod 223 continuously moves downwards along the sliding groove formed in the surface of the rotating rod 230, after the bottom end of the connecting rotating rod 223 contacts with the bottom end of the sliding groove formed in the surface of the rotating rod 230, the rotating hand wheel 205 is rotated clockwise by forty-five degrees, and the limiting clamping block I225 is clamped into the limiting clamping groove I226, so that the connecting rotating rod 223 is connected with the limiting baffle ring 221 into a whole, and the connecting rotating rod 223 is fixed, so that the rotating hand wheel 205 cannot rotate, the supporting foot 207 is fixed, and the supporting foot 207 is more stable.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, 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 may be embodied in 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 disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a portable bridge deflection detection device, includes mounting base (1), supporting mechanism (2), bracing piece (3) and detection mechanism (4), its characterized in that: the upper end surface of the mounting base (1) is welded with a supporting rod (3), the other end of the supporting rod (3) is fixed with detection mechanisms (4), four supporting mechanisms (2) are arranged, and the supporting mechanisms (2) are mounted on the mounting base (1);
the supporting mechanism (2) comprises a supporting foot (207), arc sliding grooves, a pushing rod (204) and a connecting rod (216), wherein a plurality of arc sliding rails (201) which are uniformly distributed are welded on the upper end surface of the mounting base (1), four first sliding grooves and rotating holes which are uniformly distributed are formed on the upper end surface of the mounting base (1), a connecting rotating shaft (206) is fixedly arranged in each rotating hole, the upper end of the front side surface of the supporting foot (207) is provided with the rotating hole, the connecting rotating shaft (206) penetrates through the rotating hole formed in the upper end of the front side surface of the supporting foot (207), the pushing rod (204) is welded on the upper end of the supporting foot (207), a fixed rod is welded on the rear side surface of the pushing rod (204), a sliding block (203) is welded on the other end of the fixed rod, the upper end of the pushing rod (204) is fixedly provided with a connecting rod (217), the connecting rod (216) is movably connected with the pushing rod (204) through the connecting block (217), the upper end of the connecting rod (212) is movably connected with the connecting rod (212), the upper end of the connecting rod (213) is fixedly arranged on the connecting rod (213), the novel anti-friction device is characterized in that a mounting groove is formed in the mounting base (1), the mounting groove is communicated with a first sliding groove formed in the upper end surface of the mounting base (1), two rolling bearings (208) are fixed in the mounting groove, a transmission rod (211) is arranged between the rolling bearings (208), a first bevel gear (209) is arranged at the left end of the transmission rod (211), the transmission rod (211) completely penetrates through a mounting sliding block (213), a connecting sleeve (220) is fixedly arranged at the upper end surface of the mounting base (1), a connecting rotating rod (223) is arranged in the connecting sleeve (220), a rotating rod (230) is connected to the lower end of the connecting rotating rod (223), and a second bevel gear (210) is arranged at the lower end of the rotating rod (230) after the rotating rod (230) penetrates through the mounting 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), the top at bracing piece (3) is welded to fixed plate (401), fixed plate (401) upper end surface welding has ring seat (405), ring seat (405) outer lane surface welding has a plurality of evenly distributed's fixed sleeve (403), the inside left end of fixed sleeve (403) is fixed with reset spring two (409), the other end of reset spring two (409) is fixed on the solid fixed ring, gu 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) to pull rod (406), detection module (404) are placed in ring seat (405).
3. The mobile bridge deflection detection device of claim 2, wherein: and each pressing plate (407) is provided with a rubber backing plate (408) on the other end face, one end of each pull rod (406) positioned outside the corresponding fixing sleeve (403) is welded with a pull plate (402), and the plurality of pressing plates (407) and the rubber backing plates (408) fix the detection module (404) in the annular seat (405).
4. The mobile bridge deflection detection device of claim 1, wherein: the arc-shaped sliding rail is characterized in that a second sliding groove (202) is formed in the front side surface of the arc-shaped sliding rail (201), the second sliding groove (202) is of a convex structure, the sliding block (203) welded on the fixed rod is matched with the second sliding groove (202), and the sliding block (203) is movably mounted in the second sliding groove (202).
5. The mobile bridge deflection detection device of claim 1, wherein: external screw threads are engraved on the outer ring surface of the transmission rod (211), a sliding hole is engraved on the left side surface of the installation sliding block (213), internal screw threads are engraved on the inner ring surface of the sliding hole, the transmission rod (211) penetrates through the sliding hole and is connected through screw threads in a screwing mode, a first connecting groove (214) is formed in the rear side of the upper end surface of the installation sliding block (213), a connecting rotating 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 rotating shaft (215), a second connecting groove (218) is formed in a connecting block (217) fixed at the upper end of the lower surface of the pushing 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 installed on the pushing rod (204) through the second connecting groove (218) and the third connecting rotating shaft (219).
6. The mobile bridge deflection detection device of claim 1, wherein: the bevel gear II (210) arranged at the lower end of the rotary rod (230) is meshed with the bevel gear I (209) arranged on the transmission rod (211).
7. The mobile bridge deflection detection device of claim 1, wherein: the novel rotary hand wheel is characterized in that a limiting stop ring (221) is fixed inside the connecting sleeve (220), a first reset spring (222) is fixed on the upper end surface of the limiting stop ring (221), the other end of the first reset spring (222) is fixed on the rotary ring (224), the rotary ring (224) is movably mounted on the connecting rotary rod (223), a limiting clamping groove I (226) is formed in the bottom of the limiting stop ring (221), a sliding groove is formed in the inner ring surface of the limiting stop ring (221), two limiting clamping blocks I (225) are arranged on the connecting rotary rod (223), a lower fixing rod (227) is welded at the lower end of the connecting rotary rod (223), two limiting clamping blocks II (228) are arranged on the lower fixing rod (227), a connecting groove III is formed in the upper end surface of the rotary rod (230), a limiting clamping groove II (229) and a limiting clamping groove III (231) are formed in the inner ring surface of the connecting groove III, and a rotary hand wheel (205) is welded at the upper end of the connecting rotary rod.
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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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| CN113155382A CN113155382A (en) | 2021-07-23 |
| CN113155382B true CN113155382B (en) | 2023-09-12 |
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| CN115638712B (en) * | 2022-12-21 | 2023-04-11 | 江苏广亚建设集团有限公司 | Bridge steel structure amount of deflection detection device |
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