CN111735689A - 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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- CN111735689A CN111735689A CN202010744004.6A CN202010744004A CN111735689A CN 111735689 A CN111735689 A CN 111735689A CN 202010744004 A CN202010744004 A CN 202010744004A CN 111735689 A CN111735689 A CN 111735689A
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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
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- 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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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, bolts in the heat dissipation frame are connected with a storage box, a small water pump is connected to the storage box through a flange, 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, the automobile can generate shearing force on the asphalt pavement, further causing the cracking and damage of the asphalt pavement, therefore, 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 subsequent detection results;
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 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 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 connected in the device shell in a rotating mode, 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 a screw, a steel plate is arranged on the device shell, an asphalt sample is paved on the steel plate, a hydraulic cylinder is connected to the device shell through a bolt, a hydraulic rod is installed on the output end of the hydraulic cylinder through a bolt, the bottom end of the hydraulic rod is connected with the heat dissipation frame through a bolt, a first driving motor is fixedly welded to the heat dissipation frame, a transmission belt is connected to the output end of the first driving motor in a meshed mode, a cooling fan is, and the flange on the storage box is connected with a small water pump, the small water pump is connected with a cooling pipe by a bolt, the heat dissipation frame is connected with a push plate by a screw, the shell of the device is rotatably connected with a two-way threaded rod, the two-way 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 fixedly welded with a fixed sleeve rod, the screw in the fixed sleeve rod is connected with a rubber rod, the top end of the fixed sleeve rod is fixedly welded with a connecting plate, the connecting plate is connected with a connecting rod by a screw, the connecting plate is slidably connected with a slide block, the slide block is fixedly welded with a second servo motor, the output end of the second servo motor is rotatably connected with a fixed shaft, the fixed shaft is fixedly welded with a half gear, the half gear is engaged, the fixed shaft is connected with a roller in a clamping manner, 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 equidistantly distributed in the heat dissipation frame, 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 in clamping connection with the device shell.
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 with a driving 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 fan can be cooled rapidly, the asphalt sample can be cooled and formed rapidly and effectively, the use efficiency of the device is improved effectively, and the detection cost is reduced;
(3) the device is provided with the gyro wheel, through inside extrusion baffle, combines the dismantlement change work of completion gyro wheel that the block rubber can convenient and fast, and then conveniently carries out the shearing fatigue degree detection achievement of pitch sample to the gyro wheel of equidimension not, 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 pressure that the pitch sample was applyed, 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. a connecting wire; 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 lever; 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 toothed 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 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. 1-11, 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 bidirectional threaded rod 34, a fixed block 35 and a supporting rod 36, wherein the worm 2 is rotatably connected in the device shell 1, the worm 2 is engaged with the worm wheel 3, the worm wheel 3 is axially connected with the coil, 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 device shell 1, an asphalt sample 10 is paved on the steel plate 9, a hydraulic cylinder 11 is connected on the device shell 1 through a bolt, a hydraulic rod 12 is installed on the output end of the hydraulic cylinder 11 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 the heat dissipation frame 13 through a screw, 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, a push, and the two-way threaded rod 34 is provided with a fixed block 35, the fixed block 35 is movably connected with a support rod 36, the bottom end of the support rod 36 is movably connected to the fixed frame 25, the fixed sleeve rod 23 is fixedly welded to the fixed frame 25, the rubber rod 24 is screwed to the inner side of the fixed sleeve rod 23, the top end of the fixed sleeve rod 23 is fixedly welded to the connecting plate 22, the connecting rod 21 is screwed to the connecting plate 22, the sliding block 26 is slidably connected to the connecting plate 22, the second servo motor 27 is fixedly welded to the sliding block 26, the output end of the second servo motor 27 is rotatably connected with a fixed shaft 28, the fixed shaft 28 is fixedly welded to a half gear 29, the half gear 29 is connected with a toothed plate 30 in a meshing manner, the toothed plate 30 is screwed to the connecting plate 22, the fixed shaft 28 is connected with a roller 33 in a clamping manner, and the fixed shaft.
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 shear fatigue degree detection equipment is used, the overall condition of the device needs to be checked firstly, and normal work can be determined;
when the device starts to work, the device is combined with the 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 reset 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, the supporting rod 36 can be combined to drive the fixing frame 25 to adjust the height of the device shell 1, so that the roller 33 can be driven to be attached to the asphalt sample 10, the subsequent detection work of the asphalt sample 10 is facilitated, and similarly, the pressure of the roller 33 on the asphalt sample 10 can be conveniently adjusted, so that the diversity of the subsequent detection work can be ensured;
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, thereby driving the roller 33 to reciprocate on the asphalt sample 10, and further conveniently and rapidly detecting 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 inwards, 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 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 (9)
1. The utility model provides a steel bridge bituminous paving shearing 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 a shell (1), a worm wheel (3) is connected to the worm (2) in a meshed mode, a coil (4) is axially connected to the worm wheel (3), 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) through a screw, a steel plate (9) is arranged on the shell (1), an asphalt sample (10) is laid on the steel plate (9), a hydraulic cylinder (11) is connected to the shell (1) through a bolt, a hydraulic rod (12) is mounted on an output end bolt of the hydraulic cylinder (11), a heat dissipation frame (13) is connected to the bottom end bolt of the hydraulic rod (12), a first driving motor (14) is fixedly welded on the heat dissipation frame (13), and a driving belt (15) is connected to the output end of the first, and the output end shaft of the first driving motor (14) is connected with a cooling fan (16), the heat dissipation frame (13) is internally screwed with a storage box (17), the storage box (17) is connected with a small water pump (18) by a flange, the small water pump (18) is connected with a cooling pipe (19) by a bolt, the heat dissipation frame (13) is screwed with a push plate (20), the device shell (1) is rotatably connected with a two-way threaded rod (34), the two-way threaded rod (34) is provided with a fixed block (35), the fixed block (35) is movably connected with a support rod (36), the bottom end of the support rod (36) is movably connected with a fixed frame (25), the fixed frame (25) is fixedly welded with a fixed sleeve rod (23), the fixed sleeve rod (23) is internally screwed with a rubber rod (24), and the top end of the fixed sleeve rod (23) is fixedly welded with a connecting plate (22, and the screw connection has connecting rod (21) on linkage plate (22), sliding connection has slider (26) on linkage plate (22), and welded fastening has second servo motor (27) on slider (26), the output of second servo motor (27) rotates and is connected with fixed axle (28), and welded fastening has half gear (29) on fixed axle (28), meshing is connected with toothed bar (30) on half gear (29), and toothed bar (30) screw connection is on linkage plate (22), the block is connected with gyro wheel (33) on fixed axle (28), and rotates on fixed axle (28) and is connected with baffle (31).
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 cooling pipes (19) are distributed in the radiating frame (13) in an S shape, the height of the radiating frame (13) is smaller than that of the push plate (20), and the push plate (20) is fixed in the middle of the radiating frame (13).
5. The steel bridge bituminous pavement shear fatigue degree detection equipment of claim 1, characterized in that: the bottom end 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), and the diameter of the inner space of the fixed loop bar (23) is larger than that of the rubber rod (24).
6. 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.
7. 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).
8. The steel bridge bituminous pavement shear fatigue degree detection equipment of claim 1, characterized in that: the utility model discloses a rubber block (32) is fixed to baffle (31) upper screw connection has rubber block (32), and the bottom screwed connection of rubber block (32) 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 rubber block (32) one-to-one, and rubber block (32) are the slope form simultaneously.
9. 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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| CN202010744004.6A CN111735689B (en) | 2020-07-29 | 2020-07-29 | Steel bridge bituminous pavement shearing fatigue degree detection equipment |
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| CN111735689B CN111735689B (en) | 2022-07-15 |
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Cited By (5)
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| CN112255116A (en) * | 2020-10-22 | 2021-01-22 | 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 |
| CN112684351A (en) * | 2020-12-29 | 2021-04-20 | 储莹莹 | Self-limiting fuel cell power detection device for simulating various working environments |
| CN113295331A (en) * | 2021-05-01 | 2021-08-24 | 芜湖中科飞机制造有限公司 | Anti-icing pre-installation testboard based on coach machine |
| CN116026711A (en) * | 2023-03-30 | 2023-04-28 | 江苏腾达工程检测有限公司 | Asphalt pavement shearing fatigue degree detection equipment |
| CN117405503A (en) * | 2023-12-15 | 2024-01-16 | 深圳市睿拓新科技有限公司 | Highway construction asphalt paving compactness detection device and detection method |
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| CN113295331A (en) * | 2021-05-01 | 2021-08-24 | 芜湖中科飞机制造有限公司 | Anti-icing pre-installation testboard based on coach machine |
| 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 |
| CN116026711A (en) * | 2023-03-30 | 2023-04-28 | 江苏腾达工程检测有限公司 | Asphalt pavement shearing fatigue degree detection equipment |
| CN117405503A (en) * | 2023-12-15 | 2024-01-16 | 深圳市睿拓新科技有限公司 | Highway construction asphalt paving compactness detection device and detection method |
| 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 |
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