CN111912703B - Steel bridge bituminous pavement shearing fatigue degree detection equipment - Google Patents
Steel bridge bituminous pavement shearing fatigue degree detection equipment Download PDFInfo
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- CN111912703B CN111912703B CN202011036724.3A CN202011036724A CN111912703B CN 111912703 B CN111912703 B CN 111912703B CN 202011036724 A CN202011036724 A CN 202011036724A CN 111912703 B CN111912703 B CN 111912703B
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- G01—MEASURING; TESTING
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- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
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Abstract
The invention discloses a steel bridge asphalt pavement shearing fatigue degree detection device which comprises a supporting seat, a telescopic rod, a winch, a hydraulic rod and a groove, wherein the telescopic rod is fixedly arranged above the supporting seat, a limiting groove is formed above the supporting seat, the limiting rod is movably arranged in the limiting groove, supporting steel plates are fixedly arranged at the top of the limiting rod and the top of the telescopic rod, a magnetic block is arranged above the supporting steel plates, a movable plate is fixedly arranged on the side surface of the magnetic block, a sliding rod is fixedly connected above the movable plate, and a fixed disk is movably arranged on the outer side of the sliding rod. This steel bridge bituminous paving shears fatigue degree check out test set can carry out pressing and detection achievement of different degrees to the pitch piece, and the convenience is carried out work to pitch piece overall dimension when the preparation pitch piece moreover, and the convenience is dredged the work to the inside pitch that blocks up simultaneously.
Description
Technical Field
The invention relates to the technical field of steel bridge asphalt pavements, in particular to a steel bridge asphalt pavement shearing fatigue degree detection device.
Background
The bridge is a structure built for crossing obstacles such as a valley, a river or a highway, common bridges include a wood bridge, a stone bridge and a steel bridge, the steel bridge is mainly built by steel materials compared with the former two bridges and has higher strength, and the whole bridge can be supported by the steel structure of the bridge, so that the stability is ensured.
Some bituminous paving on the existing market shear fatigue degree detection device:
(1) When the shear fatigue of the asphalt pavement is detected, due to different use requirements, the conventional detection device is inconvenient to adjust the overall size of an asphalt block during manufacturing according to the requirements, is inconvenient for subsequent test work and has poor use effect;
(2) Due to the nature of the asphalt, the heated asphalt is difficult to be poured into a forming device for cooling and forming, so that the situation of blockage at a feed inlet is easily caused, and the subsequent test work is influenced;
(3) Current bituminous paving fatigue test device when testing the road surface, is not convenient for come the different positions of pitch according to the demand and carries out the test work of shearing force, and the test result is accurate inadequately, is not convenient for moreover to adjust the atress scope when testing.
Therefore, a steel bridge asphalt pavement shear fatigue degree detection device is provided so as to solve the problems provided in the above.
Disclosure of Invention
The invention aims to provide a steel bridge asphalt pavement shearing fatigue degree detection device, which solves the problems that some asphalt pavement shearing fatigue degree side-viewing devices in the current market proposed by the background technology are inconvenient to adjust the whole size of a manufactured asphalt block, a feed inlet is blocked, and the stress range during testing is inconvenient to adjust.
In order to achieve the purpose, the invention provides the following technical scheme: a steel bridge asphalt pavement shearing fatigue degree detection device comprises a supporting seat, a telescopic rod, a winch, a hydraulic rod and a groove, wherein the telescopic rod is fixedly arranged above the supporting seat, a limiting groove is formed above the supporting seat, the limiting rod is movably arranged in the limiting groove, a supporting steel plate is fixedly arranged at the top of the limiting rod and the top of the telescopic rod, a magnetic block is arranged above the supporting steel plate, a movable plate is fixedly arranged on the side surface of the magnetic block, a sliding rod is fixedly connected above the movable plate, a fixed plate is movably arranged on the outer side of the sliding rod, a sliding groove is formed in the fixed plate, a fixed rod is fixedly connected above the sliding rod, a movable plate is movably arranged on the outer side of the fixed rod, a fixed pipe is fixedly connected in the middle of the movable plate, a rotating rod is fixedly arranged on the outer side above the fixed pipe, the surface of the movable disc is provided with an arc-shaped long hole, the left side and the right side of the movable disc are fixedly connected with extension rods, the inner part of the movable disc is provided with a lapping groove, a lapping plate is movably arranged in the lapping groove, the extension rods penetrate through the inner parts of the side plates, the surfaces of the side plates are fixedly provided with fans, the upper part of the fixed tube is fixedly connected with a funnel, a pipe sleeve is arranged above the funnel, a compression column is movably arranged in the pipe sleeve, a tether is fixedly connected above the compression column, a winch is fixedly arranged above the tether, a hydraulic rod is arranged on the right side of the side plate, a connecting disc is fixedly connected below the hydraulic rod, a first outer bushing, a second outer bushing and a third outer bushing are movably arranged on the outer side of the connecting disc, and lapping blocks are fixedly arranged on the side surfaces of the first outer bushing, the second outer bushing and the third outer bushing, and the movable groove has all been seted up to the inside of first outer bush, second outer bush, third outer bush and connection pad, the fixed surface of activity dish is provided with the connecting rod, and the inside movable mounting of connecting rod has the kelly to fixedly connected with spring between the top of kelly and the connecting rod, the below fixedly connected with fixture block of connecting rod, draw-in groove and recess have been seted up to the inside of fixed disk.
Preferably, the inner wall of gag lever post laminates with the outer wall of gag lever post mutually, and gag lever post symmetric distribution is in supporting steel plate's left and right sides to the gag lever post runs through in the inside of supporting seat.
Preferably, the lower surfaces of the magnetic block, the movable plate and the lapping plate are all parallel and level with the upper surface of the supporting steel plate, the movable plate and the lapping plate are in sliding connection, and the movable plate and the lapping plate are distributed on the surface of the fixed plate in a centrosymmetric manner
Preferably, mutually perpendicular between dead lever and the slide bar, and the diameter of fixed lever equals the width of arc slot hole, the equal one-to-one of slide bar and dead lever on arc slot hole on the activity dish and the fixed disk, and the slide bar passes through and constitutes transmission structure between dead lever, activity dish and arc slot hole and the fixed disk to the outer wall of slide bar laminates with the inner wall of spout mutually.
Preferably, the rotating rods are distributed on the surface of the fixed pipe at equal angles, the rotating rods, the movable plate and the fixed pipe are integrated, and the fixed pipe is connected with the fixed plate through bearings.
Preferably, the fan is the slope form on the surface of curb plate, and curb plate and fan symmetric distribution are in the left and right sides of fixed pipe to the internal diameter of fixed pipe equals the external diameter of compression leg, be sliding connection between extension rod and the curb plate.
Preferably, the first outer liner, the second outer liner and the third outer liner have the same structure and different sizes, and the first outer liner, the second outer liner and the third outer liner are all annular structures consisting of left and right 2 semicircular rings.
Preferably, the front end of the lapping block is convex, and the height of the protrusion at the front end of the lapping block is equal to the difference between the height of the movable groove and the height of the tail end of the lapping block.
Preferably, the clamping rod passes through to constitute elastic construction between spring and the connecting rod, the fixed disk passes through to constitute the block structure between clamping rod and recess and the activity dish, and the recess is at the equidistant distribution of the inside of draw-in groove.
Compared with the prior art, the invention has the beneficial effects that: this steel bridge bituminous pavement shearing fatigue degree check out test set:
(1) The movable plate and the lapping plate which are nested with each other are arranged on the device, and the positions of the sliding rods at all positions on the device can be adjusted simultaneously through a transmission structure on the device, so that the size of the inner space formed by the movable plate and the lapping plate can be adjusted, asphalt is poured into the device by matching with the fixed pipe and the funnel, asphalt blocks with different sizes can be manufactured by the device, and the adjustability of the device is improved;
(2) A clamping structure is arranged between the movable disc and the fixed disc of the device, and the front end of the clamping rod can always abut against the bottom of the groove through the clamping rod in the connecting rod in cooperation with the spring, so that the rotating angle of the movable disc can be adjusted and fixed, the accommodating space can be further fixed after the adjustment of the accommodating space in the device is completed, and the using effect of the device is improved;
(3) The winch, the tether and the compression column are arranged at the top of the device, asphalt in the fixed pipe can be pushed to the lower part of the device under the action of the self weight of the compression column, and the asphalt in the cavity formed by the movable plate and the lap plate is cooled by the fan on the surface of the side plate, so that the device can improve the asphalt forming speed, avoid the internal blockage of the fixed pipe and improve the practicability of the device;
(4) The device hydraulic stem's below is provided with the nested structure of multilayer, can carry out the overlap joint work to two adjacent outer bushes through overlap joint groove and overlap joint piece, still make things convenient for the follow-up work of dismantling when can block mutually between two adjacent outer bushes for the device can carry out the not press down work of different degrees and not lead to the scope to the pitch piece through the pushing down of hydraulic stem, thereby shear fatigue degree detection work to the pitch piece, promoted the precision that the device detected.
Drawings
FIG. 1 is a schematic overall front cross-sectional structural view of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 at A according to the present invention;
FIG. 3 is a schematic top view of the movable plate of the present invention;
FIG. 4 is a schematic view of the structure of FIG. 3 at B according to the present invention;
FIG. 5 is a schematic view of a movable plate of the present invention in a sectional view;
FIG. 6 is a front cross-sectional structural view of the clamping bar of the present invention;
FIG. 7 is a schematic cross-sectional side view of the connecting disc of the present invention;
FIG. 8 is a schematic view of the structure of FIG. 7 at C in accordance with the present invention;
FIG. 9 is a schematic top view of the first outer liner of the present invention;
fig. 10 is a schematic view of the lapping structure of the connecting disc and the first outer bushing of the invention.
In the figure: 1. a supporting seat; 2. a telescopic rod; 3. a limiting groove; 4. a limiting rod; 5. a support steel plate; 6. a magnetic block; 7. a movable plate; 8. a slide bar; 9. fixing the disc; 10. a chute; 11. fixing the rod; 12. a movable tray; 13. a fixed tube; 14. a rotating rod; 15. an arc-shaped long hole; 16. an extension rod; 17. a lap joint groove; 18. a lap plate; 19. a side plate; 20. a fan; 21. a funnel; 22. pipe sleeve; 23. pressing the column; 24. a tether; 25. a winch; 26. a hydraulic rod; 27. a connecting disc; 28. a first outer liner; 29. a second outer liner; 30. a third outer liner; 31. a movable groove; 32. a lapping block; 33. a connecting rod; 34. a clamping rod; 35. a spring; 36. a clamping block; 37. a card slot; 38. and (4) a groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-10, the present invention provides a technical solution: a steel bridge asphalt pavement shearing fatigue degree detection device comprises a supporting seat 1, a telescopic rod 2, a limiting groove 3, a limiting rod 4, a supporting steel plate 5, a magnetic block 6, a movable plate 7, a sliding rod 8, a fixed plate 9, a sliding chute 10, a fixed rod 11, a movable plate 12, a fixed pipe 13, a rotating rod 14, an arc-shaped long hole 15, an extension rod 16, a lapping groove 17, a lapping plate 18, a side plate 19, a fan 20, a funnel 21, a pipe sleeve 22, a compression column 23, a tether 24, a winch 25, a hydraulic rod 26, a connecting plate 27, a first outer bushing 28, a second outer bushing 29, a third outer bushing 30, a movable groove 31, a lapping block 32, a connecting rod 33, a clamping rod 34, a spring 35, a clamping block 36, a clamping groove 37 and a groove 38, wherein the telescopic rod 2 is fixedly arranged above the supporting seat 1, the limiting groove 3 is formed above the supporting seat 1, and the limiting rod 4 is movably arranged in the limiting groove 3, the top of the limiting rod 4 and the top of the telescopic rod 2 are both fixedly provided with a supporting steel plate 5, a magnetic block 6 is placed above the supporting steel plate 5, a movable plate 7 is fixedly arranged on the side surface of the magnetic block 6, a slide rod 8 is fixedly connected above the movable plate 7, a fixed plate 9 is movably arranged on the outer side of the slide rod 8, a sliding groove 10 is formed in the fixed plate 9, a fixed rod 11 is fixedly connected above the slide rod 8, a movable plate 12 is movably arranged on the outer side above the fixed rod 11, a fixed pipe 13 is fixedly connected in the middle of the movable plate 12, a rotating rod 14 is fixedly arranged on the outer side above the fixed pipe 13, an arc-shaped long hole 15 is formed in the surface of the movable plate 12, extension rods 16 are fixedly connected on the left side and the right side of the movable plate 7, a lapping groove 17 is formed in the movable plate 7, a lapping plate 18 is movably arranged in the lapping groove 17, and the extension rods 16 penetrate through the side plate 19, the fan 20 is fixedly arranged on the surface of the side plate 19, the funnel 21 is fixedly connected to the upper portion of the fixed pipe 13, the pipe sleeve 22 is arranged on the upper portion of the funnel 21, the pressing column 23 is movably arranged in the pipe sleeve 22, the tether 24 is fixedly connected to the upper portion of the pressing column 23, the winch 25 is fixedly arranged on the upper portion of the tether 24, the hydraulic rod 26 is arranged on the right side of the side plate 19, the connecting disc 27 is fixedly connected to the lower portion of the hydraulic rod 26, the first outer bushing 28, the second outer bushing 29 and the third outer bushing 30 are movably arranged on the outer side of the connecting disc 27, the connecting rod 33 is fixedly arranged on the surface of the movable disc 12, the clamping rod 34 is movably arranged in the connecting rod 33, the spring 35 is fixedly connected between the top of the clamping rod 34 and the connecting rod 33, the fixed clamping block 36 is connected to the lower portion of the connecting rod 33, and the clamping groove 37 and the groove 38 are formed in the fixed disc 9.
The inner wall of spacing groove 3 laminates with the outer wall of gag lever post 4 mutually, and 4 symmetric distributions of gag lever post are in supporting steel plate 5's the left and right sides to gag lever post 4 runs through in the inside of supporting seat 1, guarantees the holistic stability of device, makes supporting steel plate 5 can steadily rise.
The lower surfaces of the magnetic block 6, the movable plate 7 and the lapping plate 18 are all parallel and level with the upper surface of the supporting steel plate 5, the movable plate 7 and the lapping plate 18 are in sliding connection, the movable plate 7 and the lapping plate 18 are distributed on the surface of the fixed plate 9 in a central symmetry manner, the magnetic block 6 adsorbs the surface of the supporting steel plate 5, asphalt cannot leak, and meanwhile the movable plate 7 and the lapping plate 18 can be inwards contracted or outwards expanded through a sliding structure between the movable plate 7 and the lapping plate 18.
Perpendicular mutually between dead lever 11 and the slide bar 8, and the diameter of dead lever 11 equals the width of arc slot hole 15, arc slot hole 15 on the movable disk 12 and slide bar 8 and dead lever 11 on the fixed disk 9 are all one-to-one, and slide bar 8 passes through dead lever 11, constitute transmission structure between movable disk 12 and the arc slot hole 15 and the fixed disk 9, and the outer wall of slide bar 8 and the inner wall of spout 10 are laminated mutually, can adjust many places slide bar 8's position simultaneously through arc slot hole 15 and dead lever 11 of one-to-one.
The rotating rod 14 is distributed on the surface of the fixed pipe 13 at equal angles, the rotating rod 14, the movable disc 12 and the fixed pipe 13 are integrated, the fixed pipe 13 and the fixed disc 9 are connected through a bearing, the rotating rod 14 facilitates subsequent integrated rotation of the fixed pipe 13, and therefore a transmission structure on the driving device operates.
The fans 20 are inclined on the surface of the side plate 19, the side plate 19 and the fans 20 are symmetrically distributed on the left side and the right side of the fixed pipe 13, the inner diameter of the fixed pipe 13 is equal to the outer diameter of the compression column 23, the extension rod 16 and the side plate 19 are connected in a sliding manner, and the inclined fans 20 can fully cool the inside from the opening between the movable plate 7 and the bridging plate 18.
The structure of first outer bush 28, second outer bush 29 and third outer bush 30 is the same, the size is different, and first outer bush 28, second outer bush 29 and third outer bush 30 are the cyclic annular structure of controlling 2 semicircle rings and constituteing, and first outer bush 28, second outer bush 29 and third outer bush 30 on the device all can be dismantled, conveniently adjust the range of pressing.
The front end of the lapping block 32 is convex, and the height of the front end of the lapping block 32 is equal to the difference between the height of the movable groove 31 and the height of the tail end of the lapping block 32, so that the first outer bushing 28, the second outer bushing 29 and the third outer bushing 30 can be clamped mutually and simultaneously the subsequent dismounting work is facilitated.
The clamping rod 34 and the connecting rod 33 form an elastic structure through the spring 35, the fixed disc 9 and the movable disc 12 form a clamping structure through the clamping rod 34 and the grooves 38, the grooves 38 are distributed in the clamping groove 37 at equal intervals, and the position of the movable disc 12 after rotation can be adjusted and fixed through the clamping structure on the device.
The working principle of the embodiment is as follows: when the steel bridge asphalt pavement shearing fatigue degree detection equipment is used, as shown in fig. 1-2, the device is divided into a left part and a right part, the left part is used for manufacturing and cooling and forming asphalt, the right part is used for detecting shearing fatigue degree of formed asphalt, firstly, the upper surface of a supporting steel plate 5 is flush with the lower surfaces of a movable plate 7 and a magnetic block 6 by lifting a telescopic rod 2, a limiting rod 4 slides in a limiting groove 3 in a supporting seat 1, the stability of the supporting steel plate 5 during up-and-down movement is ensured, asphalt materials are poured from the side surface of a funnel 21, the asphalt enters the inside of a fixed pipe 13 through the funnel 21 and finally enters an inner cavity formed by the movable plate 7 and a lap plate 18, a tether 24 can be pulled up and down through a winch 25, so that a pressure column 23 moves up and down in a pipe sleeve 22, under the action of the self gravity of the pressure column 23, the pressure column 23 can dredge the blocked materials in the fixed pipe 13 below the funnel 21, and the inner diameter of the pipe sleeve 22 is equal to the inner diameter of the fixed pipe 13, therefore, the cleanness of the pressure column 23 can be ensured, the surface of the asphalt is dredged, the asphalt is placed on the opening of the movable plate 18 and the movable plate 18 after the asphalt is cooled by a fan;
as shown in fig. 1-6, the device can rotate the rotating rod 14 outside the fixed pipe 13 clockwise before asphalt is poured, so that the inner wall of the arc-shaped long hole 15 presses the outer wall of the fixed rod 11, and the sliding rod 8 can only move towards the center of the fixed plate 9 under the limiting effect of the sliding chute 10 on the sliding rod 8, therefore, during the rotation of the fixed pipe 13, the sliding rod 8 on the device can pull the movable plate 7 to contract inwards at the same time, and because the movable plate 7 and the bridging plate 18 are connected in a sliding manner, during the pulling of the movable plate 7, the bridging plate 18 can move towards the inside of the bridging groove 17 (as shown in fig. 3 and 5), so as to adjust the size of the internal cavity of the movable plate 7 and the bridging plate 18, after the movable plate 12 rotates to a proper position, the position of the clamping block 36 at the tail end of the connecting rod 33 on the movable plate 12 in the clamping groove 37 can be correspondingly changed, and at the same time, because the spring 35 presses the clamping rod 34, so that the front end of the clamping rod 34 can be clamped into the inside of the groove 38 (as can be seen in fig. 6), so as to adjust the size of the internal cavity of the movable plate 7 and the bridging plate 18;
as shown in fig. 1-2 and 7-10, after the asphalt inside the movable plate 7 and the lapping plate 18 is formed, the telescopic rod 2 is lowered to move the whole support base 1, and the support base 1 is moved to be just under the hydraulic rod 26 (shown in fig. 1 and 7), at this time, the first outer bushing 28, the second outer bushing 29 and the third outer bushing 30 mounted outside the connecting disc 27 can be adjusted according to the test requirement, because the first outer bushing 28, the second outer bushing 29 and the third outer bushing 30 have the same structure and different sizes, and the height of the protrusion at the front end of the lapping block 32 is equal to the difference between the height of the movable groove 31 and the height of the tail end of the lapping block 32, the whole first outer bushing 28, the second outer bushing 29 and the third outer bushing 30 can be mounted or dismounted by moving the lapping block 32 up and down (shown in fig. 8 and 10), so that the pressing range can be adjusted during the test, which is the working process of the whole device, and what is not described in detail in this specification is well known in the prior art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (4)
1. The utility model provides a steel bridge bituminous paving cuts fatigue degree check out test set, includes supporting seat (1), telescopic link (2), capstan winch (25), hydraulic stem (26) and recess (38), its characterized in that: the support is characterized in that a telescopic rod (2) is fixedly arranged above the support base (1), a limiting groove (3) is formed above the support base (1), a limiting rod (4) is movably arranged in the limiting groove (3), the top of the limiting rod (4) and the top of the telescopic rod (2) are fixedly arranged at the lower end of a supporting steel plate (5), a magnetic block (6) is placed above the supporting steel plate (5), a movable plate (7) is fixedly arranged on the side surface of the magnetic block (6), a sliding rod (8) is fixedly connected above the movable plate (7), a fixed plate (9) is movably arranged on the outer side of the sliding rod (8), a sliding groove (10) is formed in the fixed plate (9), a fixed rod (11) is fixedly connected above the sliding rod (8), a movable plate (12) is movably arranged on the outer side above the fixed rod (11), a fixed pipe (13) is fixedly connected in the middle of the movable plate (12), a rotating rod (14) is fixedly arranged on the outer side above the fixed pipe (13), an arc-shaped (15) is formed on the surface of the movable plate (12), the left side and right side of the movable plate (7) is fixedly connected with an extension rod (16), an extension rod (17) is fixedly connected with an extension rod (7), and an extension plate (17) is connected inside of the movable plate (17) connected with a lap joint groove (17), the extension rod (16) penetrates through the side plate (19), the surface of the side plate (19) is fixedly provided with a fan (20), the upper portion of the fixed pipe (13) is fixedly connected with a funnel (21), the upper portion of the funnel (21) is provided with a pipe sleeve (22), the inner portion of the pipe sleeve (22) is movably provided with a compression post (23), the upper portion of the compression post (23) is fixedly connected with a tether (24), the upper portion of the tether (24) is fixedly provided with a winch (25), the right side of the side plate (19) is provided with a hydraulic rod (26), the lower portion of the hydraulic rod (26) is fixedly connected with a connecting disc (27), the outer side of the connecting disc (27) is movably provided with a first outer bushing (28), a second outer bushing (29) and a third outer bushing (30), the side surfaces of the first outer bushing (28), the second outer bushing (29) and the third outer bushing (30) are respectively and are respectively provided with a lap joint block (32), the inner portions of the first outer bushing (28), the second bushing (29), the third outer bushing (30) and the connecting disc (27) are respectively provided with a movable groove (31), the top portion of the connecting rod (34) is connected with a clamping rod (34), and the fixed rod (34) is connected with a spring (34), a clamping block (36) is fixedly connected below the connecting rod (33), and a clamping groove (37) and a groove (38) are formed in the fixed disc (9);
the inner wall of the limiting groove (3) is mutually attached to the outer wall of the limiting rod (4), the limiting rods (4) are symmetrically distributed on the left side and the right side of the supporting steel plate (5), and the limiting rods (4) penetrate through the supporting seat (1);
the lower surfaces of the magnetic block (6), the movable plate (7) and the lapping plate (18) are all parallel and level to the upper surface of the supporting steel plate (5), the movable plate (7) and the lapping plate (18) are in sliding connection, and the movable plate (7) and the lapping plate (18) are distributed on the surface of the fixed plate (9) in a centrosymmetric manner;
the fixed rod (11) and the sliding rod (8) are perpendicular to each other, the diameter of the fixed rod (11) is equal to the width of the arc-shaped long hole (15), the arc-shaped long hole (15) in the movable disc (12) corresponds to the sliding rod (8) and the fixed rod (11) in the fixed disc (9) uniformly, the sliding rod (8) forms a transmission structure with the fixed disc (9) through the fixed rod (11), the movable disc (12) and the arc-shaped long hole (15), and the outer wall of the sliding rod (8) is attached to the inner wall of the sliding groove (10);
the rotating rods (14) are distributed on the surface of the fixed pipe (13) at equal angles, the rotating rods (14), the movable disc (12) and the fixed pipe (13) are integrated, and the fixed pipe (13) is connected with the fixed disc (9) through a bearing;
fan (20) are the slope form on the surface of curb plate (19), and curb plate (19) and fan (20) symmetric distribution in the left and right sides of fixed pipe (13) to the internal diameter of fixed pipe (13) equals the external diameter of compression leg (23), be sliding connection between extension rod (16) and curb plate (19), the device divide into about two parts, and the half effect on the left side is to make and cooling shaping pitch, and half effect on the right side is to shear fatigue degree detection work to the shaping pitch.
2. The steel bridge bituminous pavement shear fatigue degree detection equipment of claim 1, characterized in that: the first outer bushing (28), the second outer bushing (29) and the third outer bushing (30) are identical in structure and different in size, and the first outer bushing (28), the second outer bushing (29) and the third outer bushing (30) are all of annular structures formed by left and right 2 semicircular rings.
3. The steel bridge bituminous pavement shear fatigue degree detection equipment of claim 1, characterized in that: the front end of the lapping block (32) is convex, and the height of the front end protrusion of the lapping block (32) is equal to the difference between the height of the movable groove (31) and the height of the tail end of the lapping block (32).
4. The steel bridge bituminous pavement shear fatigue degree detection equipment of claim 1, characterized in that: the clamping rod (34) is of an elastic structure formed between the spring (35) and the connecting rod (33), the fixed disc (9) is of a clamping structure formed between the clamping rod (34) and the groove (38) and the movable disc (12), and the grooves (38) are distributed in the clamping groove (37) at equal intervals.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011036724.3A CN111912703B (en) | 2020-09-28 | 2020-09-28 | Steel bridge bituminous pavement shearing fatigue degree detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011036724.3A CN111912703B (en) | 2020-09-28 | 2020-09-28 | Steel bridge bituminous pavement shearing fatigue degree detection equipment |
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| CN111912703A CN111912703A (en) | 2020-11-10 |
| CN111912703B true CN111912703B (en) | 2022-12-16 |
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| CN116026711B (en) * | 2023-03-30 | 2023-06-20 | 江苏腾达工程检测有限公司 | Asphalt pavement shearing fatigue degree detection equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2330431A1 (en) * | 2001-01-08 | 2002-07-08 | Stephen Norman Goodman | In situ shear strength test facility |
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