CN114183643A - Bridge detection mechanism for civil engineering - Google Patents

Bridge detection mechanism for civil engineering Download PDF

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Publication number
CN114183643A
CN114183643A CN202111487883.XA CN202111487883A CN114183643A CN 114183643 A CN114183643 A CN 114183643A CN 202111487883 A CN202111487883 A CN 202111487883A CN 114183643 A CN114183643 A CN 114183643A
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CN
China
Prior art keywords
base
bottom plate
top surface
detection mechanism
civil engineering
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111487883.XA
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Chinese (zh)
Inventor
徐晓霜
刘晓雨
郭宁
刘明宙
李冬琦
张云
钟鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Yutong Shengding Engineering Construction Co ltd
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Henan Yutong Shengding Engineering Construction Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Henan Yutong Shengding Engineering Construction Co ltd filed Critical Henan Yutong Shengding Engineering Construction Co ltd
Priority to CN202111487883.XA priority Critical patent/CN114183643A/en
Publication of CN114183643A publication Critical patent/CN114183643A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043—Allowing translations
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
    • E01D19/106—Movable inspection or maintenance platforms, e.g. travelling scaffolding or vehicles specially designed to provide access to the undersides of bridges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/38—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by folding, e.g. pivoting or scissors tong mechanisms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The application relates to the field of bridge detection, in particular to a bridge detection mechanism for civil engineering, which comprises a base, a detection device arranged on the base and used for detecting a railing, a plurality of universal wheels arranged at the bottom of the base, a bottom plate arranged below the base and horizontally arranged, and a lifting support frame arranged between the base and the bottom plate, wherein the lifting support frame comprises an upper slide block connected to the bottom surface of the base in a linear sliding manner, a first support rod hinged to the top surface of the bottom plate, and the other end hinged to the upper slide block, a lower slide block connected to the top surface of the bottom plate in a linear sliding manner, a second support rod hinged to the lower slide block, and a driving lead screw rotatably arranged on the top surface of the bottom plate, wherein the middle parts of the first support rod and the second support rod are hinged, the lower sliding block is in threaded connection with the driving screw rod. This application has the effect of bridge detection mechanism suitability.

Description

Bridge detection mechanism for civil engineering
Technical Field
The application relates to the field of bridge detection, in particular to a bridge detection mechanism for civil engineering.
Background
The bridge is generally a structure which is erected on rivers, lakes and seas and allows vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the modern high-speed developed traffic industry, bridges are also extended to be constructed to span mountain stream, unfavorable geology or meet other traffic needs, so that the buildings are convenient to pass. The bridge generally comprises an upper structure, a lower structure, a support and an auxiliary structure, wherein the upper structure is also called a bridge span structure and is a main structure for spanning obstacles; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting positions of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structures refer to bridge end butt straps, tapered revetments, diversion works and the like.
Guardrails can be installed on two sides of the bridge, and the main purpose is to provide safety protection for pedestrians to and fro. The pedestrian has the phenomenon of short-term rest and rely on the guardrail when passing through the bridge, and the fan of making a video recording also can rely on the guardrail when shooing to the surface of water view a bit, therefore the guardrail needs a fine support ability, can not appear the rupture condition when guaranteeing pedestrian or the fan of making a video recording lean on. At present, the bridge can be detected before being put into use, and some detection mechanisms are designed, but the detection mechanisms have certain defects.
For example chinese patent application No. CN201920450647.2 a bridge detection mechanism for civil engineering, including installing the guardrail on the bridge, the guardrail comprises a plurality of installation fences, railing, stiffener, one of them install a fixing base on the railing, fixed mounting has the fixed plate on the fixing base, and fixed plate and corresponding railing contact, a plurality of universal wheels have been placed on the bridge, every all install a landing leg on the universal wheel, it is a plurality of the common fixed mounting in upper end of landing leg has a mount pad, install electric putter on the mount pad, the push pedal is installed to electric putter's one end, and push pedal and fixing base contaction each other.
To the correlation technique among the above-mentioned, the inventor thinks, the aforesaid patent can detect the guardrail on the bridge, ensures that the bridge delivers before using, and the guardrail has very strong support capacity for other people are safer when leaning on the guardrail. But because bridge railing height is different, detection mechanism can not adjust to the guardrail height, is unfavorable for in-service use, and the suitability is lower.
Disclosure of Invention
In order to promote detection mechanism's suitability, this application provides a bridge detection mechanism for civil engineering.
The application provides a bridge detection mechanism for civil engineering adopts following technical scheme:
a bridge detection mechanism for civil engineering comprises a base, a detection device arranged on the base and used for detecting a railing, a plurality of universal wheels arranged at the bottom of the base, a bottom plate arranged below the base and horizontally arranged, and a lifting support frame arranged between the base and the bottom plate, the lifting support frame comprises an upper slide block, a first support rod, a lower slide block, a second support rod and a driving screw rod, wherein the upper slide block is connected to the bottom surface of the base in a linear sliding manner, one end of the first support rod is hinged to the top surface of the bottom plate, the other end of the first support rod is hinged to the upper slide block, the lower slide block is connected to the top surface of the bottom plate in a linear sliding manner, one end of the second support rod is hinged to the bottom surface of the base, the other end of the second support rod is hinged to the lower slide block, and the driving screw rod is rotatably arranged on the top surface of the bottom plate, the middle parts of the first supporting rod and the second supporting rod are hinged, and the lower sliding block is in threaded connection with the driving screw rod.
Preferably, the base bottom surface is seted up and is the linear last spout that extends and the cross-section is the T type, the top shoe cross-section set up into with top spout complex T type and sliding connection in the last spout, the bottom plate top surface is seted up and is the linear lower spout that extends and the cross-section is the T type, the bottom shoe cross-section set up into with lower spout complex T type and sliding connection in the lower spout, drive lead screw both ends rotate respectively the support in lower spout inner wall.
Preferably, the lifting support frames are arranged in two groups at intervals along the hinge axis between the first support rod and the second support rod, and a synchronous driving mechanism is arranged between the driving screw rods in the two groups of lifting support frames.
Preferably, the synchronous driving mechanism comprises a driving worm rotatably supported on the top surface of the bottom plate, and a driving worm wheel coaxially and fixedly connected to the driving screw rod and meshed with the driving worm.
Preferably, a supporting device is arranged between the base and the bottom plate and close to the other end of the first supporting rod, and the supporting device comprises a threaded sleeve which is fixedly connected to the top surface of the base in the vertical direction and communicated with the bottom surface of the base, a lifting screw rod which is rotatably connected to the top surface of the bottom plate and is in threaded connection with the threaded sleeve, and a lifting worm wheel which is fixedly connected to the lifting screw rod and is meshed with the driving worm.
Preferably, the supporting device further comprises a guide sleeve fixedly connected to the top surface of the base in the vertical direction and communicated with the bottom surface of the base, and a guide rod fixedly connected to the top surface of the bottom plate in the vertical direction and slidably connected in the guide sleeve.
Preferably, one end of the driving worm is fixedly connected with a rotating handle.
Preferably, a plurality of cones are uniformly distributed on the bottom surface of the bottom plate.
Preferably, the detection device comprises a vertical column fixedly connected to the top surface of the base in the vertical direction, a storage battery arranged on the base, an electric cylinder fixedly connected to the top end of the vertical column and electrically connected to the storage battery, a fixing sleeve fixedly connected to the driving end of the electric cylinder and arranged in the horizontal direction, a push rod slidably connected to the inside of the fixing sleeve in the horizontal direction, and a spring fixedly connected to the push rod and between the inner walls of the fixing sleeve, wherein the driving end of the electric cylinder moves in the horizontal direction, and the end of the push rod extends out of one end of the fixing sleeve, which is far away from the electric cylinder.
Preferably, the outer wall of the fixed sleeve is provided with a moving groove which extends along the length direction of the outer wall and is communicated with the inner part of the fixed sleeve, the part of the push rod which is positioned in the fixed sleeve is fixedly connected with a moving block which is connected in the moving groove in a sliding manner, and the part of the outer wall of the fixed sleeve, which is close to the moving groove, is provided with a dial gauge which extends along the length direction of the fixed sleeve.
In summary, the present application includes at least one of the following beneficial technical effects:
1. under the matching of the first support rod, the second support rod and the driving screw rod, when the railings with different heights are detected, the driving screw rod is rotated to drive the upper sliding block and the lower sliding block to move in the upper sliding groove and the lower sliding groove respectively, so that the top ends of the first support rod and the second support rod which are hinged with each other move in the vertical direction, the base drives the detection device and a plurality of universal wheels at the bottom to jack up, the bottom plate is abutted against the bottom surface, so that the whole body is more stable, when the base is lifted to a certain height, the rotation of the driving screw rod is stopped, the self-locking performance of the upper sliding block, the lower sliding block and the driving screw rod through threaded connection limits the positions of the upper sliding block and the lower sliding block in the upper sliding groove and the lower sliding groove respectively, so that the base is stabilized in the vertical direction, the railings are detected through the detection device, the base can drive the detection device to perform stepless adjustment in a certain range in the vertical direction through the lifting support frame, the applicability of the detection mechanism is improved;
2. under the matching of the two groups of lifting support frames and the synchronous driving mechanism, when the height of the base needs to be adjusted, the driving worm is rotated to drive the driving worm wheels fixedly connected to the driving screw rods respectively to rotate, so that the two groups of lifting support frames are lifted synchronously, and the base can be more stable in the adjusting process while being stably supported;
3. under the matching of the supporting device and the lifting support frame, when the lifting support frame adjusts the base, the upper sliding block and the lower sliding block of the driving screw rod move in the horizontal direction, so that the lifting support frame shifts the supporting gravity center of the base after the height of the base is changed;
4. the driving end of the electric cylinder is provided with the push rod which is elastically connected, and under the matching of the fixed sleeve, the push rod and the spring, when the driving end of the electric cylinder drives the push rod to impact the handrail, the impact force is buffered through the elasticity of the spring, so that the damage to the handrail caused by rigid collision is reduced;
5. through seting up the shifting chute, make fixed connection in the movable block sliding connection of push rod in the shifting chute to the displacement distance of the production behind the push rod striking movable block is observed to the staff, and the cooperation graduation apparatus, can accurately draw the length that the spring contracts promptly, thereby is convenient for learn the push rod and to the force that the railing exerted.
Drawings
Fig. 1 is a schematic view of the overall structure of the present embodiment.
Fig. 2 is a schematic view of the overall structure of the present embodiment.
Fig. 3 is a partially enlarged view of a portion a in fig. 1.
Description of reference numerals: 1. a base; 2. a detection device; 3. a universal wheel; 4. a base plate; 5. lifting the support frame; 6. pushing the handle; 7. a cone; 8. an upper slide block; 9. a first support bar; 10. a lower slide block; 11. a second support bar; 12. driving the screw rod; 13. an upper chute; 14. a lower chute; 15. a synchronous drive mechanism; 16. a drive worm; 17. a drive worm gear; 18. rotating the handle; 19. a support device; 20. a threaded sleeve; 21. a lifting screw rod; 22. a lifting worm gear; 23. a guide sleeve; 24. a guide bar; 25. a column; 26. a storage battery; 27. an electric cylinder; 28. fixing the sleeve; 29. a push rod; 30. a spring; 31. a moving groove; 32. a moving block; 33. and (4) a scale table.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses bridge detection mechanism for civil engineering. Referring to fig. 1 and 2, a bridge detection mechanism for civil engineering includes base 1, detection device 2, universal wheel 3, bottom plate 4, lifting support frame 5, wherein, base 1 is the platelike that the level set up, 1 lateral wall of base is equipped with promotes handle 6, detection device 2 sets up and is used for detecting the railing in base 1, universal wheel 3 prefers to be equipped with four, four universal wheels 3 set up in 1 bottom surface of base and be the rectangle and arrange, set up and be the level in bottom plate 4 and set up in 1 below of base, and bottom plate 4 lies in between four universal wheels 3 on vertical direction, lifting support frame 5 sets up and is equipped with two sets ofly in the interval between base 1 and bottom plate 4, bottom plate 4 bottom surface is a plurality of cones 7 of matrix arrangement.
Referring to fig. 1 and 2, the lifting support frame 5 includes an upper slide 8 connected to the bottom surface of the base 1 in a linear sliding manner, a first support rod 9 with one end hinged to the top surface of the base plate 4 and the other end hinged to the upper slide 8, a lower slide 10 connected to the top surface of the base plate 4 in a linear sliding manner, a second support rod 11 with one end hinged to the bottom surface of the base 1 and the other end hinged to the lower slide 10, and a driving lead screw 12 rotatably disposed on the top surface of the base plate 4, wherein the bottom surface of the base 1 is provided with an upper slide groove 13 with a linear extension and a T-shaped cross section, the section of the upper slide 8 is provided with a T-shaped cross section matched with the upper slide groove 13 and is slidably connected to the upper slide groove 13, the top surface of the base plate 4 is provided with a lower slide groove 14 with a linear extension and a T-shaped cross section matched with the lower slide groove 14 and is slidably connected to the lower slide groove 14, and two ends of the driving lead screw 12 are rotatably supported on the inner wall of the lower slide groove 14 respectively, the middle parts of the first supporting rod 9 and the second supporting rod 11 are hinged, the lower slider 10 is in threaded connection with the driving screw rod 12, and the two groups of lifting support frames 5 are arranged along the hinged axis between the first supporting rod 9 and the second supporting rod 11 at intervals.
Referring to fig. 1 and 2, a synchronous driving mechanism 15 is arranged between the driving screw rods 12 in the two sets of lifting support frames 5, the synchronous driving mechanism 15 includes a driving worm 16 rotatably supported on the top surface of the bottom plate 4 through a shaft seat, and a driving worm wheel 17 coaxially and fixedly connected to the driving screw rods 12 and meshed with the driving worm 16, the top end of the driving worm wheel 17 extends out of the lower chute 14 and is higher than the top surface of the bottom plate 4, one end of the driving worm 16 is fixedly connected with a rotating handle 18, when the height of the base 1 needs to be adjusted, the driving worm 16 is rotated to drive the driving worm wheels 17 respectively and fixedly connected to the driving screw rods 12 to rotate, so that the two sets of lifting support frames 5 are synchronously lifted, and the base 1 can be more stable in the adjusting process while being stably supported.
Referring to fig. 1 and 2, a supporting device 19 is disposed between the base 1 and the bottom plate 4 near the other end of the first supporting rod 9, the supporting device 19 includes a threaded sleeve 20 fixedly connected to the top surface of the base 1 along the vertical direction and communicated with the bottom surface of the base 1, a lifting screw 21 rotatably connected to the top surface of the bottom plate 4 and threadedly connected to the threaded sleeve 20, a lifting worm wheel 22 fixedly connected to the lifting screw 21 and engaged with the driving worm 16, a guiding sleeve 23 fixedly connected to the top surface of the base 1 along the vertical direction and communicated with the bottom surface of the base 1, and a guiding rod 24 fixedly connected to the top surface of the bottom plate 4 along the vertical direction and slidably connected to the guiding sleeve 23.
Referring to fig. 1 and 2, when the lifting support frame 5 adjusts the base 1, the upper slide block 8 and the lower slide block 10 of the driving screw rod 12 move in the horizontal direction, so that the lifting support frame 5 shifts the supporting gravity center of the base 1 after changing the height of the base 1, the driving screw rod 12 can simultaneously drive the lifting screw rod 21 to rotate under the matching of the lifting screw rod 21 and the threaded sleeve 20, the base 1 is further supported by the lifting screw rod 21, when the detection device 2 applies force to a handrail, the base 1 and the ground are more stable, the situation of shaking or deflection is not easy to occur, and the accuracy of detecting the handrail is improved; and the guide rod 24 and the guide sleeve 23 are matched to limit the moving path of the base 1 in the vertical direction, so that the stability of the base 1 is increased.
Referring to fig. 1 and 2, the detecting device 2 includes a vertical column 25 fixedly connected to the top surface of the base 1 along the vertical direction, a storage battery 26 disposed on the base 1, an electric cylinder 27 fixedly connected to the top end of the vertical column 25 and electrically connected to the storage battery 26, a fixing sleeve 28 fixedly connected to the driving end of the electric cylinder 27 and disposed along the horizontal direction, a push rod 29 slidably connected in the fixing sleeve 28 along the horizontal direction, and a spring 30 fixedly connected between the push rod 29 and the inner wall of the fixing sleeve 28, wherein the driving end of the electric cylinder 27 moves along the horizontal direction, the end of the push rod 29 extends out of one end of the fixing sleeve 28 far away from the electric cylinder 27, and when the driving end of the electric cylinder 27 drives the push rod 29 to strike on the handrail, the striking force is buffered by the elastic force of the spring 30, thereby reducing the damage to the handrail caused by rigid collision.
Referring to fig. 2 and 3, the outer wall of the fixed sleeve 28 is provided with a moving groove 31 extending along the length direction and communicated with the inner part of the fixed sleeve 28, the part of the push rod 29 located inside the fixed sleeve 28 is fixedly connected with a moving block 32 slidably connected in the moving groove 31, a scale 33 extending along the length direction of the fixed sleeve 28 is arranged on the part of the outer wall of the fixed sleeve 28 close to the moving groove 31, the moving block 32 fixedly connected to the push rod 29 is slidably connected in the moving groove 31, so that a worker can observe the displacement distance generated after the push rod 29 strikes the moving block 32, and the scale 33 is matched, that is, the length of the contraction of the spring 30 can be accurately obtained, and the force applied to the handrail by the push rod 29 can be known conveniently.
The implementation principle of the bridge detection mechanism for civil engineering in the embodiment of the application is as follows:
when the railings with different heights are detected, the driving screw rod 12 is rotated to drive the upper sliding block 8 and the lower sliding block 10 to respectively move in the upper sliding groove 13 and the lower sliding groove 14, so that the top ends of the first supporting rod 9 and the second supporting rod 11 which are hinged to each other move in the vertical direction, the base 1 drives the detection device 2 and the plurality of universal wheels 3 at the bottom to jack up, the bottom plate 4 abuts against the bottom surface to enable the whole body to be more stable, after the base 1 is lifted to a certain height, the driving screw rod 12 stops rotating, the self-locking performance of the threaded connection between the upper sliding block 8 and the lower sliding block 10 and the driving screw rod 12 limits the positions of the upper sliding block 8 and the lower sliding block 10 in the upper sliding groove 13 and the lower sliding groove 14 respectively, so that the base 1 is stabilized in the vertical direction, the railings are detected through the detection device 2, the base 1 can drive the detection device 2 to perform stepless adjustment in a certain range in the vertical direction through the lifting support frame 5, the applicability of the detection mechanism is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a bridge detection mechanism for civil engineering, include base (1), set up in base (1) are used for carrying out detection device (2) that detect, set up in a plurality of universal wheels (3) of base (1) bottom to the railing, its characterized in that: also comprises a bottom plate (4) which is arranged below the base (1) and is arranged horizontally, and a lifting support frame (5) which is arranged between the base (1) and the bottom plate (4), the lifting support frame (5) comprises an upper sliding block (8) connected to the bottom surface of the base (1) in a sliding mode along a linear mode, a first support rod (9) with one end hinged to the top surface of the bottom plate (4) and the other end hinged to the upper sliding block (8), a lower sliding block (10) connected to the top surface of the bottom plate (4) in a sliding mode along a linear mode, a second support rod (11) with one end hinged to the bottom surface of the base (1) and the other end hinged to the lower sliding block (10), and a driving screw rod (12) rotatably arranged on the top surface of the bottom plate (4), the middle parts of the first supporting rod (9) and the second supporting rod (11) are hinged, and the lower sliding block (10) is in threaded connection with the driving screw rod (12).
2. The bridge detection mechanism for civil engineering as claimed in claim 1, characterized in that: base (1) bottom surface is seted up and is linear extension and last spout (13) that the cross-section is the T type, top shoe (8) cross-section set up into with go up spout (13) matched with T type and sliding connection in go up in spout (13), bottom plate (4) top surface is seted up and is linear extension and cross-section lower spout (14) for the T type, lower slider (10) cross-section set up into with spout (14) matched with T type and sliding connection down in spout (14), drive lead screw (12) both ends rotate respectively support in spout (14) inner wall down.
3. The bridge detection mechanism for civil engineering as claimed in claim 2, characterized in that: the lifting support frame (5) is provided with two groups at intervals along a hinged axis between the first support rod (9) and the second support rod (11), and a synchronous driving mechanism (15) is arranged between the driving screw rods (12) in the two groups of lifting support frames (5).
4. The bridge detection mechanism for civil engineering as claimed in claim 3, characterized in that: the synchronous driving mechanism (15) comprises a driving worm (16) rotatably supported on the top surface of the bottom plate (4) and a driving worm wheel (17) which is coaxially and fixedly connected to the driving screw rod (12) and meshed with the driving worm (16).
5. The bridge detection mechanism for civil engineering of claim 4, characterized in that: base (1) with the part that is close to first bracing piece (9) the other end between bottom plate (4) is equipped with strutting arrangement (19), strutting arrangement (19) including along vertical direction fixed connection in base (1) top surface and communicate in thread bush (20), the rotation of base (1) bottom surface connect in bottom plate (4) top surface and threaded connection in lift lead screw (21), fixed connection in lift lead screw (21) and mesh in the lift worm wheel (22) of initiative worm (16).
6. The bridge detection mechanism for civil engineering as claimed in claim 5, characterized in that: the supporting device (19) further comprises a guide sleeve (23) fixedly connected to the top surface of the base (1) in the vertical direction and communicated with the bottom surface of the base (1), and a guide rod (24) fixedly connected to the top surface of the bottom plate (4) in the vertical direction and slidably connected to the guide sleeve (23).
7. The bridge detection mechanism for civil engineering of claim 4, characterized in that: one end of the driving worm (16) is fixedly connected with a rotating handle (18).
8. The bridge detection mechanism for civil engineering as claimed in claim 1, characterized in that: a plurality of cones (7) are uniformly distributed on the bottom surface of the bottom plate (4).
9. The bridge detection mechanism for civil engineering as claimed in claim 1, characterized in that: detection device (2) including along vertical direction fixed connection in stand (25) of base (1) top surface, set up in battery (26) of base (1), fixed connection in stand (25) top end and electricity connect in electric jar (27) of battery (26), fixed connection in the fixed sleeve (28) that the drive end of electric jar (27) just set up along the horizontal direction, along horizontal direction sliding connection in push rod (29) in fixed sleeve (28), fixed connection in push rod (29) with spring (30) between fixed sleeve (28) inner wall, the drive end of electric jar (27) moves along the horizontal direction, push rod (29) tip stretches out the one end that electric jar (27) were kept away from in fixed sleeve (28).
10. The bridge detection mechanism for civil engineering of claim 9, characterized in that: the outer wall of the fixed sleeve (28) is provided with a moving groove (31) which extends along the length direction of the fixed sleeve and is communicated with the inside of the fixed sleeve, the part of the push rod (29) which is positioned inside the fixed sleeve (28) is fixedly connected with a moving block (32) which is connected into the moving groove (31) in a sliding manner, and the part of the outer wall of the fixed sleeve (28) which is close to the moving groove (31) is provided with a dial gauge (33) which extends along the length direction of the fixed sleeve (28).
CN202111487883.XA 2021-12-07 2021-12-07 Bridge detection mechanism for civil engineering Pending CN114183643A (en)

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Application Number Priority Date Filing Date Title
CN202111487883.XA CN114183643A (en) 2021-12-07 2021-12-07 Bridge detection mechanism for civil engineering

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CN202111487883.XA CN114183643A (en) 2021-12-07 2021-12-07 Bridge detection mechanism for civil engineering

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CN114183643A true CN114183643A (en) 2022-03-15

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