CN111735689B - 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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- CN111735689B CN111735689B CN202010744004.6A CN202010744004A CN111735689B CN 111735689 B CN111735689 B CN 111735689B CN 202010744004 A CN202010744004 A CN 202010744004A CN 111735689 B CN111735689 B CN 111735689B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 53
- 239000010959 steel Substances 0.000 title claims abstract description 53
- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 238000010008 shearing Methods 0.000 title abstract description 13
- 239000010426 asphalt Substances 0.000 claims abstract description 51
- 230000017525 heat dissipation Effects 0.000 claims abstract description 47
- 238000001816 cooling Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 claims abstract 2
- 230000002457 bidirectional effect Effects 0.000 claims description 13
- 230000033228 biological regulation Effects 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 239000002826 coolant Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
- 239000000110 cooling liquid Substances 0.000 description 3
- 230000003245 working effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 239000011384 asphalt concrete Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009414 blockwork Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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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
- G01N3/02—Details
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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
- G01N3/02—Details
- G01N3/04—Chucks
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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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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a steel bridge asphalt pavement shearing fatigue degree detection device which comprises a device shell, a clamping plate, a heat dissipation frame, a roller and a support rod, wherein a worm is connected in the device shell in a rotating mode, a first driving motor is fixedly welded on the heat dissipation frame, the output end of the first driving motor is connected with a transmission belt in a meshing mode, the output end shaft of the first driving motor is connected with a cooling fan, screws in the heat dissipation frame are connected with a storage box, a small water pump is connected to the storage box through flanges, and a cooling pipe is connected to the small water pump through bolts. This steel bridge bituminous paving shears fatigue degree check out test set is provided with the heat dissipation frame, under the effect of small-size water pump, can carry the coolant liquid in the storage box to the cooling tube in, can cool down the air around the cooling blower fast, can be fast effectual cools off the shaping to the pitch sample, has effectively improved the use high efficiency of device.
Description
Technical Field
The invention relates to the technical field of steel bridge pavement detection, in particular to a steel bridge asphalt pavement shearing fatigue degree detection device.
Background
The steel bridge is a bridge constructed by steel materials in a bridge span structure, the steel bridge is generally paved on a steel bridge deck by asphalt concrete in the using process, a pavement layer is tightly connected with a steel plate through a waterproof layer to bear stress and deformation caused by vehicle load, temperature, wind load and the like together, so as to protect the steel plate and provide good running performance, the service performance and the service life of the bridge are closely related to the quality of pavement of the bridge deck, when the automobile runs on the asphalt pavement on the steel bridge for a long time, shearing force can be generated on the asphalt pavement, further, the asphalt pavement is cracked and damaged, so that in order to ensure the use stability of the asphalt pavement, before the asphalt pavement is paved, a detection device is needed to detect the shearing fatigue of the steel bridge asphalt pavement, and improving and reinforcing the asphalt pavement according to the detection result, so that the use stability of the asphalt pavement can be ensured.
Most of the prior steel bridge asphalt pavement shear fatigue degree detection devices have the following problems:
before a conventional detection device detects an asphalt pavement, workers need to uniformly lay an asphalt sample on a steel plate, then use a forming device to cool, dry and form the asphalt sample, and then can use the detection device to detect the asphalt sample, wherein the detection work needs to use a plurality of devices, so that the detection cost is high, and the working efficiency is low;
secondly, when the conventional detection device is used for detecting an asphalt sample laid on a steel plate, the conventional detection device is inconvenient for fixing and disassembling the used steel plate, and further inconvenient for observing and calculating a subsequent detection result;
thirdly, when the conventional detection device is used for detecting the shearing fatigue degree of the asphalt sample paved on the steel plate, the applied pressure to the asphalt sample is inconvenient to adjust, and the accuracy and the diversity of the detection result cannot be guaranteed.
Therefore, a steel bridge asphalt pavement shear fatigue degree detection device is provided so as to solve the problems set forth in the foregoing description.
Disclosure of Invention
The invention aims to provide a steel bridge asphalt pavement shearing fatigue degree detection device, which solves the problems that the steel bridge asphalt pavement shearing fatigue degree detection device in the market in the background art is inconvenient to rapidly cool and form an asphalt sample, is inconvenient to fix and disassemble a used steel plate, and is inconvenient to adjust the pressure applied to the asphalt sample.
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 device shell, a clamping plate, a heat dissipation frame, a roller and a support rod, wherein a worm is rotationally connected in the bottom of the device shell, a worm wheel is connected to the worm in a meshed mode, a coil is axially connected to the worm wheel, a connecting wire is wound on the coil, the clamping plate is bolted to the tail end of the connecting wire, a rubber pad is connected to the clamping plate through screws, a steel plate is arranged on the inner bottom end face of the device shell, an asphalt sample is paved on the steel plate, a hydraulic cylinder is connected to the top of the outer side of the device shell through bolts, a hydraulic rod is installed on an output end bolt of the hydraulic cylinder arranged in the device shell, the bottom end of the hydraulic rod is connected with the heat dissipation frame through bolts, a first driving motor is fixedly welded on the heat dissipation frame, the output end of the first driving motor is connected with a transmission belt in a meshed mode, and the output end shaft of the first driving motor is connected with a cooling fan, the heat dissipation frame is internally screwed with a storage box, the storage box is flanged with a small water pump and is bolted with a cooling pipe, the heat dissipation frame is screwed with a push plate, the side wall of the device shell is rotatably connected with a bidirectional threaded rod, the bidirectional threaded rod is provided with a fixed block, the fixed block is movably connected with a support rod, the bottom end of the support rod is movably connected with a fixed frame, the fixed frame is welded and fixed with a fixed sleeve rod, the fixed sleeve rod is internally screwed with a rubber rod, the top end of the fixed sleeve rod is welded and fixed with a connecting plate, the connecting plate is screwed with a connecting rod, the connecting plate is slidably connected with a slide block, the slide block is welded and fixed with a second servo motor, the output end of the second servo motor is rotatably connected with a fixed shaft, the fixed shaft is welded and fixed with a half gear, and the half gear is engaged and connected with a pinion plate, and the gear tooth plate is connected to the connecting plate through screws, the fixed shaft is clamped with a roller, and the fixed shaft is rotatably connected with a baffle.
Preferably, the connecting wires are distributed on the coil at equal angles, the connecting wires are bolted to the middle of the clamping plate, the clamping plate is in clamping connection with the device shell, and the outer end face of the clamping plate is flush with the outer end face of the rubber pad.
Preferably, the hydraulic rod is fixed in the middle of the heat dissipation frame, cooling fans are distributed in the heat dissipation frame at equal intervals, and the length of the inner space of the heat dissipation frame is equal to that of the steel plate.
Preferably, the cooling pipes are distributed in the radiating frame in an S shape, the height of the radiating frame is smaller than that of the push plate, and the push plate is fixed in the middle of the radiating frame.
Preferably, the bottom surface of the push plate is inclined, the length of the push plate is smaller than the telescopic length of the fixed loop bars, the fixed loop bars are symmetrically distributed on the upper side and the lower side of the connecting plate, and the diameter of the inner space of each fixed loop bar is larger than that of the rubber bar.
Preferably, the top end face of the connecting rod is flush with the top end face of the connecting plate, the length of the connecting plate is equal to that of the fixing frame, and the fixing frame is connected with the device shell in a clamping mode.
Preferably, the radius of the half gear is smaller than the length of the gear tooth plate, and the gear tooth plates are symmetrically distributed on the upper side and the lower side of the half gear.
Preferably, the screw connection has the block rubber on the baffle, and the bottom screwed connection of block rubber is on the fixed axle to the baffle symmetric distribution is in the upper and lower both sides of fixed axle, and baffle and block rubber one-to-one, the block rubber is the slope form simultaneously.
Preferably, the supporting rod is hinged with the fixing frame and the fixing block, the fixing block is in threaded connection with the bidirectional threaded rod, and the fixing blocks are symmetrically distributed on the left side and the right side of the bidirectional threaded rod.
Compared with the prior art, the invention has the beneficial effects that: the steel bridge asphalt pavement shearing fatigue degree detection equipment;
(1) the device is provided with the clamping plates, the worm wheel can simultaneously roll each connecting wire through the coils, the corresponding clamping plates can be driven to simultaneously move towards the middle, the steel plate can be conveniently and quickly limited and fixed, the subsequent asphalt laying and experiment work is convenient, the worm can be reversely rotated, each clamping plate can be driven to return to the original position by combining the reset spring, the steel plate can be conveniently and quickly disassembled, the subsequent asphalt sample detection work is convenient, and the use convenience of the device is improved;
(2) the device is provided with a heat dissipation frame, under the action of a first driving motor, the heat dissipation frame can drive each cooling fan to rotate simultaneously by combining a transmission belt, so that cooling and heat dissipation work can be performed on an asphalt sample, and under the action of a small water pump, cooling liquid in a storage box can be conveyed into a cooling pipe, so that air around the cooling fans can be cooled rapidly, the asphalt sample can be cooled and formed rapidly and effectively, the use efficiency of the device is effectively improved, and the detection cost is reduced;
(3) the device is provided with the gyro wheel, through inside extrusion baffle, combine the block rubber can, and through rotating two-way threaded rod, the fixed block passes through the bracing piece can convenient and fast's regulation gyro wheel to the exerted pressure of pitch sample, and then guarantees the variety and the accuracy of testing result, has increased the use variety of device.
Drawings
FIG. 1 is a schematic view of the overall structure 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 clamping plate of the present invention;
FIG. 4 is a schematic top view of the cooling tube of the present invention;
FIG. 5 is a schematic side view of the push plate of the present invention;
FIG. 6 is a side view of the rubber rod of the present invention;
FIG. 7 is a side view of the roller of the present invention;
FIG. 8 is a schematic view of the structure of FIG. 5 at B in accordance with the present invention;
FIG. 9 is a schematic view of the baffle structure of the present invention;
FIG. 10 is a schematic view of a stationary shaft according to the present invention;
FIG. 11 is a schematic view of a half-gear structure according to the present invention.
In the figure: 1. a device housing; 2. a worm; 3. a worm gear; 4. a coil; 5. connecting wires; 6. a clamping plate; 7. a rubber pad; 8. a return spring; 9. a steel plate; 10. a sample of bitumen; 11. a hydraulic cylinder; 12. a hydraulic rod; 13. a heat dissipation frame; 14. a first drive motor; 15. a transmission belt; 16. a cooling fan; 17. a storage box; 18. a small-sized water pump; 19. a cooling tube; 20. pushing the plate; 21. a connecting rod; 22. a connector tile; 23. fixing the loop bar; 24. a rubber rod; 25. a fixed mount; 26. a slider; 27. a second servo motor; 28. a fixed shaft; 29. a half gear; 30. a wheel tooth plate; 31. a baffle plate; 32. a rubber block; 33. a roller; 34. a bidirectional threaded rod; 35. a fixed block; 36. a support rod.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-11, the present invention provides a technical solution: a steel bridge asphalt pavement shearing fatigue degree detection device comprises a device shell 1, a worm 2, a worm wheel 3, a coil 4, a connecting wire 5, a clamping plate 6, a rubber pad 7, a return spring 8, a steel plate 9, an asphalt sample 10, a hydraulic cylinder 11, a hydraulic rod 12, a heat dissipation frame 13, a first driving motor 14, a transmission belt 15, a cooling fan 16, a storage box 17, a small water pump 18, a cooling pipe 19, a push plate 20, a connecting rod 21, a connecting plate 22, a fixed sleeve rod 23, a rubber rod 24, a fixed frame 25, a sliding block 26, a second servo motor 27, a fixed shaft 28, a half gear 29, a gear tooth plate 30, a baffle 31, a rubber block 32, a roller 33, a two-way threaded rod 34, a fixed block 35 and a supporting rod 36, wherein the worm 2 is rotationally connected to the bottom of the device shell 1, the worm 2 is engaged with the worm wheel 3, the worm wheel 3 is axially connected with the coil 4, and the coil 4 is wound with the connecting wire 5, a clamping plate 6 is bolted at the tail end of the connecting wire 5, a rubber pad 7 is connected on the clamping plate 6 through a screw, a steel plate 9 is arranged on the inner bottom end surface of the device shell 1, an asphalt sample 10 is paved on the steel plate 9, a hydraulic cylinder 11 is connected on the top of the outer side of the device shell 1 through a bolt, a hydraulic rod 12 is installed on the output end of the hydraulic cylinder 11 arranged in the device shell 1 through a bolt, a heat dissipation frame 13 is connected on the bottom end of the hydraulic rod 12 through a bolt, a first driving motor 14 is fixedly welded on the heat dissipation frame 13, the output end of the first driving motor 14 is connected with a transmission belt 15 in a meshing manner, the output end shaft of the first driving motor 14 is connected with a cooling fan 16, a storage box 17 is connected in a screw manner in the heat dissipation frame 13, a small water pump 18 is connected on the storage box 17 through a flange, a cooling pipe 19 is connected on the small water pump 18 through a bolt, and a push plate 20 is connected on the heat dissipation frame 13 through a screw, the side wall of the device shell 1 is rotationally connected with a bidirectional threaded rod 34, a fixed block 35 is arranged on the bidirectional threaded rod 34, a supporting rod 36 is movably connected on the fixing block 35, the bottom end of the supporting rod 36 is movably connected on the fixing frame 25, a fixing loop bar 23 is fixedly welded on the fixing frame 25, and the screw in the fixed loop bar 23 is connected with a rubber rod 24, the top end of the fixed loop bar 23 is welded and fixed with a connecting plate 22, and the connecting rod 21 is connected with the connecting plate 22 through a screw, the sliding block 26 is connected with the connecting plate 22 in a sliding way, a second servo motor 27 is welded and fixed on the slide block 26, the output end of the second servo motor 27 is rotationally connected with a fixed shaft 28, a half gear 29 is welded and fixed on the fixed shaft 28, a toothed plate 30 is engaged and connected on the half gear 29, the gear plate 30 is screwed to the connection plate 22, the roller 33 is engaged with the fixed shaft 28, and the baffle plate 31 is rotatably connected to the fixed shaft 28.
The hydraulic stem 12 is fixed in the middle of the heat dissipation frame 13, and the equidistant distribution has the cooling fan 16 in the heat dissipation frame 13 to the inner space length of the heat dissipation frame 13 equals to the length of the steel plate 9, can guarantee the stability of the working effect of the heat dissipation frame 13 on the hydraulic stem 12, and effectively improves the use efficiency of the device.
The cooling pipes 19 are distributed in the heat dissipation frame 13 in an S shape, the height of the heat dissipation frame 13 is smaller than that of the push plate 20, and the push plate 20 is fixed in the middle of the heat dissipation frame 13, so that the heat dissipation area can be effectively increased, and the heat dissipation efficiency is improved.
The bottom surface of the push plate 20 is inclined, the length of the push plate 20 is smaller than the telescopic length of the fixed loop bar 23, the fixed loop bar 23 is symmetrically distributed on the upper side and the lower side of the connecting plate 22, the diameter of the inner space of the fixed loop bar 23 is larger than that of the rubber rod 24, and the fixed loop bar 23 can be conveniently controlled to perform stable telescopic work.
The top end face of the connecting rod 21 is flush with the top end face of the connecting plate 22, the length of the connecting plate 22 is equal to that of the fixing frame 25, the fixing frame 25 is connected with the device shell 1 in a clamping mode, the working effect of the fixing frame 25 on the device shell 1 can be guaranteed to be stable, and the use diversity of the device is increased.
The radius of half gear 29 is less than the length of pinion rack 30, and pinion rack 30 symmetric distribution is in the upper and lower both sides of half gear 29, can effectively avoid pinion rack 30 to the harmful effects of half gear 29, has increased the stability in use of device.
There is block rubber 32 on baffle 31 screwed connection, and block rubber 32's bottom screwed connection is on fixed axle 28 to baffle 31 symmetric distribution is in the upper and lower both sides of fixed axle 28, and baffle 31 and block rubber 32 one-to-one, and block rubber 32 is the slope form simultaneously, can guarantee that block rubber 32 can drive baffle 31 and carry out stable block work.
The supporting rod 36 is hinged to the fixing frame 25 and the fixing block 35, the fixing block 35 is in threaded connection with the bidirectional threaded rod 34, the fixing blocks 35 are symmetrically distributed on the left side and the right side of the bidirectional threaded rod 34, the stability of the connection state between the supporting rod 36 and the fixing frame 25 and the stability of the connection state between the supporting rod 36 and the fixing block 35 can be guaranteed, and the use stability of the device is improved.
The working principle is as follows: before the steel bridge asphalt pavement shearing fatigue degree detection equipment is used, the overall condition of the device needs to be checked to ensure that the device can normally work;
when the device starts to work, the device is combined with figures 1-3, firstly, a steel plate 9 to be used is placed on the inner bottom end face of a shell 1 of the device, then, by rotating a worm 2, a worm wheel 3 can drive a coil 4 to simultaneously wind each connecting wire 5, so that corresponding clamping plates 6 can be driven to simultaneously move towards the middle, and the steel plate 9 can be conveniently and quickly limited and fixed by combining a rubber pad 7, so that the subsequent laying and experiment work of an asphalt sample 10 is facilitated, and similarly, by reversely rotating the worm 2, each clamping plate 6 can be driven to return to the original position by combining a return spring 8, so that the steel plate 9 can be conveniently and quickly disassembled;
after the asphalt sample 10 is laid on the steel plate 9, with reference to fig. 1 and 4, the hydraulic cylinder 11 can drive the heat dissipation frame 13 to move downwards to the outer side of the steel plate 9 through the hydraulic rod 12, at this time, the top end face of the asphalt sample 10 can be extruded and leveled under the action of the heat dissipation frame 13, then, under the action of the first driving motor 14, the driving belt 15 can drive each cooling fan 16 to rotate simultaneously, so that the asphalt sample 10 can be cooled and dissipated, and under the action of the small water pump 18, the cooling liquid in the storage tank 17 can be conveyed into the cooling pipe 19, so that the air around the cooling fan 16 can be cooled rapidly, the asphalt sample 10 can be cooled and formed rapidly and effectively with reference to the cooling fan 16, and the cooling liquid in the cooling pipe 19 can be conveyed into the storage tank 17 finally to be recycled;
after the asphalt sample 10 is cooled and formed, with reference to fig. 1 and 5-10, the hydraulic cylinder 11 can drive the heat dissipation frame 13 to move downwards through the hydraulic rod 12, at this time, under the action of the inclined plane at the bottom end of the push plate 20, the connecting rod 21 can drive the connecting plate 22 to gradually move leftwards through the fixed sleeve rod 23 and the rubber rod 24 on the connecting plate 22, until the connecting rod 21 is separated from the push plate 20, the fixed sleeve rod 23 and the rubber rod 24 can drive the fixed shaft 28 on the connecting plate 22 to move right above the asphalt sample 10, then the baffle plate 31 is pressed inwards to be attached to the fixed shaft 28, the roller 33 can be clamped and placed on the fixed shaft 28 conveniently and quickly, then the baffle plate 31 can be driven to return to the original position under the action of the rubber block 32, so that the roller 33 can be installed, then the two-way threaded rod 34 can be rotated to drive the fixed blocks 35 at two sides to move towards the middle or two sides simultaneously, the supporting rod 36 is combined to drive the fixing frame 25 to adjust the height of the device shell 1, so as to drive the roller 33 to be attached to the asphalt sample 10, thereby facilitating the subsequent detection work of the asphalt sample 10, and similarly, the pressure of the roller 33 on the asphalt sample 10 can be conveniently adjusted, thereby ensuring the diversity of the subsequent detection work;
then the half gear 29 on the fixed shaft 28 can be driven to rotate under the action of the second servo motor 27, and in combination with the figures 1 and 5-11, the fixed shaft 28 and the second servo motor 27 can be driven to reciprocate left and right on the connecting plate 22 through the slide blocks 26 in combination with the gear tooth plates 30 on the upper side and the lower side, so as to drive the roller 33 to reciprocate on the asphalt sample 10, and further to conveniently and rapidly detect the shear fatigue of the asphalt sample 10, and in the same way, the disassembly and replacement of the roller 33 can be conveniently and rapidly completed by pressing the baffle 31 inward, the above is the operation of the whole apparatus, and details which are not described in detail in this specification, such as the return spring 8, the asphalt sample 10, the hydraulic cylinder 11, the hydraulic rod 12, the first driving motor 14, the cooling fan 16, the small water pump 18 and the rubber block 32, are well known to those skilled in the 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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof.
Claims (7)
1. The utility model provides a steel bridge bituminous paving cuts fatigue degree check out test set, includes device shell (1), grip block (6), heat dissipation frame (13), gyro wheel (33) and bracing piece (36), its characterized in that: the device is characterized in that a worm (2) is rotationally connected in the bottom of a shell (1), a worm wheel (3) is connected to the worm (2) in a meshed mode, a coil (4) is connected to the worm wheel (3) in an upper shaft mode, a connecting wire (5) is wound on the coil (4), a clamping plate (6) is bolted to the tail end of the connecting wire (5), a rubber pad (7) is connected to the clamping plate (6) in a screwed mode, a hydraulic cylinder (11) is connected to the top of the outer side of the shell (1) in a bolted mode, a hydraulic rod (12) is installed on an output end bolt of the hydraulic cylinder (11) arranged inside the shell (1), a heat dissipation frame (13) is connected to the bottom end of the hydraulic rod (12) in a bolted mode, a first driving motor (14) is welded and fixed to the heat dissipation frame (13), a cooling fan (16) is connected to an output end shaft of the first driving motor (14), and a transmission belt (15) is connected to the output end of the first driving motor (14) in a meshed mode, then, under the action of a first driving motor (14), a driving belt (15) is combined to drive each cooling fan (16) to rotate simultaneously, a storage box (17) is connected with the inner screw of the heat dissipation frame (13), a small water pump (18) is connected to the upper flange of the storage box (17), a cooling pipe (19) is connected to the upper bolt of the small water pump (18), a push plate (20) is connected to the upper screw of the heat dissipation frame (13), the cooling pipe (19) is distributed in the heat dissipation frame (13) in an S shape, the height of the heat dissipation frame (13) is smaller than that of the push plate (20), and the push plate (20) is fixed in the middle of the heat dissipation frame (13);
the side wall of the device shell (1) is rotatably connected with a bidirectional threaded rod (34), the bidirectional threaded rod (34) is provided with a fixing block (35), a supporting rod (36) is movably connected on the fixing block (35), the bottom end of the supporting rod (36) is movably connected on the fixing frame (25), a fixing loop bar (23) is fixedly welded on the fixing frame (25), and a rubber rod (24) is connected with the fixed loop bar (23) by screw, the top end of the fixed loop bar (23) is fixedly welded with a connecting plate (22), and the connection plate (22) is connected with a connecting rod (21) by a screw, the bottom end surface of the push plate (20) is inclined, and the length of the push plate (20) is less than the telescopic length of the fixed loop bar (23), and the fixed loop bars (23) are symmetrically distributed at the upper and lower sides of the connection plate (22), the diameter of the inner space of the fixed loop bar (23) is larger than that of the rubber bar (24);
the connecting plate (22) is connected with a sliding block (26) in a sliding mode, a second servo motor (27) is fixedly welded on the sliding block (26), the output end of the second servo motor (27) is rotatably connected with a fixing shaft (28), a half gear (29) is fixedly welded on the fixing shaft (28), a toothed wheel plate (30) is connected onto the half gear (29) in a meshed mode, the toothed wheel plate (30) is connected onto the connecting plate (22) through screws, a roller (33) is connected onto the fixing shaft (28) in a clamped mode, a baffle (31) is connected onto the fixing shaft (28) in a rotating mode, the baffle (31) is attached to the fixing shaft (28) through inward extrusion, and the roller (33) can be conveniently and quickly placed on the fixing shaft (28) in a clamped mode;
when the device works, a steel plate (9) is placed on the bottom end face inside a shell (1) of the device, the worm (2) is rotated, at the moment, a worm wheel (3) drives a coil (4) to simultaneously wind each connecting wire (5), and then the corresponding clamping plate (6) is driven to move towards the middle, the steel plate (9) is limited and fixed conveniently and quickly by combining a rubber pad (7), a hydraulic cylinder (11) drives a heat dissipation frame (13) to move downwards to the outer side of the steel plate (9) through a hydraulic rod (12), at the moment, the top end face of an asphalt sample (10) is extruded and flattened under the action of the heat dissipation frame (13), and then under the action of a first driving motor (14), each cooling fan (16) is driven to rotate by combining a driving belt (15), and then the asphalt sample (10) is cooled and dissipated; the heat dissipation frame (13) moves downwards, at the moment, under the action of an inclined plane at the bottom end of the push plate (20), the connecting rod (21) drives the connecting plate (22) to gradually move leftwards through the fixed sleeve rod (23) and the rubber rod (24) on the connecting plate (22), until the connecting rod (21) is separated from the push plate (20), the fixed sleeve rod (23) is combined with the rubber rod (24) to drive the fixed shaft (28) on the connecting plate (22) to move to the position right above the asphalt sample (10), then the baffle plate (31) is pressed inwards to be attached to the fixed shaft (28), the roller (33) is conveniently and quickly clamped on the fixed shaft (28), then the baffle plate (31) is driven to restore the original position under the action of the rubber block (32), the roller (33) is further installed, then the two-way threaded rods (34) are rotated to drive the fixed blocks (35) at two sides to move towards the middle or two sides simultaneously, combine bracing piece (36) to drive mount (25) and carry out the regulation of height on device shell (1), and then drive gyro wheel (33) and laminate to pitch sample (10), half gear (29) on driving fixed axle (28) under the effect of second servo motor (27) rotate, the round pinion rack (30) of upper and lower both sides drive fixed axle (28) and second servo motor (27) through slider (26) and carry out left and right reciprocating motion on linking up board (22), and then drive gyro wheel (33) and carry out reciprocating motion on pitch sample (10).
2. The steel bridge bituminous pavement shear fatigue degree detection equipment of claim 1, characterized in that: the connecting wires (5) are distributed on the coil (4) at equal angles, the connecting wires (5) are bolted in the middle of the clamping plate (6), the clamping plate (6) is connected with the device shell (1) in a clamping mode, and the outer end face of the clamping plate (6) is flush with the outer end face of the rubber pad (7).
3. The steel bridge bituminous pavement shear fatigue degree detection equipment of claim 1, characterized in that: the hydraulic rod (12) is fixed in the middle of the heat dissipation frame (13), cooling fans (16) are distributed in the heat dissipation frame (13) at equal intervals, and the length of the inner space of the heat dissipation frame (13) is equal to that of the steel plate (9).
4. The steel bridge bituminous pavement shear fatigue degree detection equipment of claim 1, characterized in that: the top end face of the connecting rod (21) is flush with the top end face of the connecting plate (22), the length of the connecting plate (22) is equal to that of the fixing frame (25), and the fixing frame (25) is connected with the device shell (1) in a clamping mode.
5. The steel bridge bituminous pavement shear fatigue degree detection equipment of claim 1, characterized in that: the radius of the half gear (29) is smaller than the length of the toothed plate (30), and the toothed plate (30) is symmetrically distributed on the upper side and the lower side of the half gear (29).
6. The steel bridge bituminous pavement shear fatigue degree detection equipment of claim 1, characterized in that: the rubber block (32) is connected to the baffle (31) through screws, the bottom end of the rubber block (32) is connected to the fixing shaft (28) through screws, the baffle (31) is symmetrically distributed on the upper side and the lower side of the fixing shaft (28), the baffle (31) corresponds to the rubber block (32) one by one, and meanwhile the rubber block (32) is inclined.
7. The steel bridge bituminous pavement shear fatigue degree detection equipment of claim 1, characterized in that: the supporting rod (36) is hinged to the fixing frame (25) and the fixing block (35), the fixing block (35) is in threaded connection with the bidirectional threaded rod (34), and the fixing block (35) is symmetrically distributed on the left side and the right side of the bidirectional threaded rod (34).
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| CN202010744004.6A CN111735689B (en) | 2020-07-29 | 2020-07-29 | Steel bridge bituminous pavement shearing fatigue degree detection equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112255116B (en) * | 2020-10-22 | 2022-10-21 | 山东鲁科工程质量检测有限责任公司 | Comprehensive test bed for performance test of light steel keel |
| CN112684351B (en) * | 2020-12-29 | 2022-12-20 | 深圳市芮能科技有限公司 | Self-limiting fuel cell power detection device for simulating various working environments |
| CN113295331B (en) * | 2021-05-01 | 2024-01-26 | 芜湖中科飞机制造有限公司 | Anti-icing preassembling test board based on training machine |
| 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 |
| CN117405503B (en) * | 2023-12-15 | 2024-02-13 | 深圳市睿拓新科技有限公司 | Highway construction asphalt paving compactness detection device and detection method |
| CN118032525B (en) * | 2024-03-04 | 2024-09-24 | 湖南省交通建设质量安全监督管理局 | Steel bridge asphalt pavement shearing fatigue degree detection equipment |
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| TW549441U (en) * | 2002-10-29 | 2003-08-21 | De-Shian Shen | Testing apparatus of direct shear force |
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