CN216830535U - Thin-layer prefabricated asphalt pavement test fixture - Google Patents
Thin-layer prefabricated asphalt pavement test fixture Download PDFInfo
- Publication number
- CN216830535U CN216830535U CN202220538282.0U CN202220538282U CN216830535U CN 216830535 U CN216830535 U CN 216830535U CN 202220538282 U CN202220538282 U CN 202220538282U CN 216830535 U CN216830535 U CN 216830535U
- Authority
- CN
- China
- Prior art keywords
- beam body
- pressing
- thin
- asphalt pavement
- test piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 99
- 239000010426 asphalt Substances 0.000 title claims description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 77
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 230000000712 assembly Effects 0.000 claims description 27
- 238000000429 assembly Methods 0.000 claims description 27
- 230000033001 locomotion Effects 0.000 claims description 21
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 239000010410 layer Substances 0.000 description 20
- 238000010276 construction Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a thin layer prefabricated formula bituminous paving test fixture, be provided with on the fixed bolster and be used for carrying out last fixture and lower fixture of centre gripping to the test piece, it includes the roof beam body and sets up the centre gripping subassembly on a plurality of roof beam body to go up fixture, lower fixture includes the roof beam body and sets up a plurality of lower centre gripping subassemblies on the roof beam body down, it all includes the holding part with lower centre gripping subassembly to go up the centre gripping subassembly, the mounting and be located the elastic component between holding part and the mounting, holding part swing joint is on the mounting, be provided with the pressure detection spare on the mounting, still include power input mechanism, at least one in the roof beam body and the roof beam body can accept the drive of power input mechanism and carry out the centre gripping to the test piece. The utility model provides a thin layer prefabricated formula bituminous paving test fixture can carry out the centre gripping to the prefabricated formula bituminous paving test piece of different thickness and fix, and whether detectable goes out prefabricated formula bituminous paving test piece and takes place deformation.
Description
Technical Field
The utility model relates to a road construction technical field especially relates to a thin layer prefabricated formula bituminous paving test piece test fixture.
Background
Due to the advantages of high flatness, strong comfort and the like, the asphalt pavement is widely applied to municipal roads and expressways in China. At present, the problems of long construction period, difficult control of construction quality, environmental pollution and the like mainly exist in the construction technology of cast-in-place asphalt injection pavements. Firstly, the construction period of the asphalt pavement is seriously affected by the weather temperature, the automation of the construction procedure is low, and the construction and maintenance time of the base course is long, so that the construction period is long. Secondly, in the construction technology of the cast-in-place asphalt pavement, the transportation distance of materials is long, and the construction environment is seriously differentiated, so that the construction process is difficult to accurately control, and the quality uniformity of the asphalt pavement is poor. Meanwhile, the adhesion between the asphalt surface layer and the base layer is a weak link of the asphalt pavement, and the durability and safety of the pavement can be directly influenced by the construction quality problem. In addition, harmful gas generated in the construction process of the hot-mix asphalt pavement at the present stage seriously pollutes the environment.
Assembled bituminous paving is to the novel road surface structural style that the problem that traditional on-the-spot pouring bituminous paving exists and proposed, through at prefabricated field processing piecemeal pavement board, transports the mode of assembling to the scene again, has realized bituminous pavement programmed construction, and its advantage is: the asphalt pavement is poured in advance in a precast yard, so that the on-site rapid construction of the asphalt pavement can be realized, and the closed traffic time is reduced; the prefabricated field is produced in a programmed mode, the influence of weather in the construction process is reduced, and the construction quality uniformity of the asphalt pavement can be guaranteed; harmful gas emission in the construction process of the asphalt pavement is intensively treated in the precast yard, so that the environmental pollution is reduced, and the green construction is realized.
The assembled bituminous paving who adopts at present mainly is two kinds of forms of carpet formula bituminous paving and prefabricated bituminous paving, and prefabricated bituminous paving need be to testing before the preparation is used, need utilize anchor clamps to carry out the centre gripping to detecting the test piece in the test process and fix so that detect, but the test fixture's among the prior art single structure is not convenient for press from both sides tight fixedly to the standard bituminous paving test piece of different thickness.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a thin layer prefabricated formula bituminous paving test fixture to solve the above-mentioned weak point among the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
a thin-layer prefabricated asphalt pavement test fixture comprises a fixed support, wherein an upper clamping mechanism and a lower clamping mechanism which are used for clamping a test piece are arranged on the fixed support, the upper clamping mechanism comprises an upper beam body and a plurality of upper clamping assemblies arranged on the upper beam body, the lower clamping mechanism comprises a lower beam body and a plurality of lower clamping assemblies arranged on the lower beam body, the upper clamping assemblies and the lower clamping assemblies respectively comprise a pressing part, a fixing part and an elastic part positioned between the pressing part and the fixing part, the pressing part is movably connected to the fixing part, a pressure detection part is arranged on the fixing part, and the pressing part moves along the fixing part and has a first movement stroke for pressing the elastic part and a second movement stroke for pressing the pressure detection part;
the test piece clamping device further comprises a power input mechanism, and at least one of the upper beam body and the lower beam body can be driven by the power input mechanism to clamp the test piece.
The thin-layer prefabricated asphalt pavement test fixture further comprises an aligning device, wherein the aligning device is arranged on the upper beam body and the lower beam body and comprises an emitting piece and a receiving piece, and aligning parts which can be positioned on the same straight line with the emitting piece and the receiving piece are arranged on the upper clamping assembly and the lower clamping assembly.
According to the thin-layer prefabricated asphalt pavement test fixture, the number of the power input mechanisms is two, and the upper beam body and the lower beam body are respectively and independently connected with one power input mechanism.
Foretell thin-layer prefabricated formula bituminous paving test fixture, the upper beam body with all be provided with the bar spout on the underbeam body, it is provided with two sliding beam to slide in the bar spout, go up the centre gripping subassembly with the centre gripping subassembly is equallyd divide for two sets of fixed connection respectively two on the sliding beam.
According to the thin-layer prefabricated asphalt pavement test fixture, the side wall of the strip-shaped sliding groove is provided with the driving gear and the driving unit, the side edge of the sliding cross beam is provided with the sawtooth part, and the driving gear is meshed with the sawtooth part.
According to the thin-layer prefabricated asphalt pavement test fixture, the upper beam body and the lower beam body are provided with the plurality of the strip-shaped chutes in parallel, the sliding cross beams are arranged in the strip-shaped chutes, and the upper clamping assembly or the lower clamping assembly is arranged on the sliding cross beams.
According to the thin-layer prefabricated asphalt pavement test fixture, the pressing piece comprises a pressing disc and a sliding column connected with the pressing disc, and a temperature sensor is arranged on the pressing disc.
Foretell thin layer prefabricated formula bituminous paving test fixture, the mounting with upper beam body or underbeam body fixed connection, be provided with the opening chamber on the mounting, sliding column sliding connection is in the opening chamber, pressure detection spare is including setting up the pressure sensor of opening chamber bottom, be provided with on the sliding column can be right pressure sensor supports the cylindricality trigger piece that presses.
According to the thin-layer prefabricated asphalt pavement test fixture, the elastic piece at least comprises one compression spring, the compression spring is fixedly arranged in the open cavity, and the compression spring blocks the movement stroke of the sliding column moving along the open cavity.
In the technical scheme, the utility model provides a thin layer prefabricated formula bituminous paving test fixture has following beneficial effect:
the utility model provides a thin layer prefabricated formula bituminous paving test fixture, which comprises a fixed support, be provided with on the fixed bolster and be used for carrying out last fixture and lower fixture of centre gripping to the test piece, it includes the roof beam body and sets up the centre gripping subassembly on a plurality of roof beam bodies to go up fixture, lower fixture includes the roof beam body and sets up a plurality of lower centre gripping subassemblies on the roof beam body down, drive centre gripping subassembly and/or lower centre gripping subassembly on a plurality of through power input mechanism, it is fixed to carry out the centre gripping from two sides of test piece, because distance between a plurality of last centre gripping subassemblies and the lower centre gripping subassembly can be adjusted, so can carry out the centre gripping to the prefabricated formula bituminous paving test piece of different thickness fixed.
The utility model provides a thin layer prefabricated formula bituminous paving test fixture goes up the centre gripping subassembly and all includes pressing part, mounting and is located the elastic component between pressing part and the mounting with lower centre gripping subassembly, and pressing part swing joint is provided with the pressure detection piece on the mounting, can detect the thickness of each position of prefabricated formula bituminous paving test piece through elastic component and pressure detection piece, so detectable goes out prefabricated formula bituminous paving test piece and whether takes place deformation.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic structural diagram of a thin-layer prefabricated asphalt pavement test fixture provided by the embodiment of the utility model;
fig. 2 is a schematic structural view of an upper clamping mechanism according to an embodiment of the present invention;
fig. 3 is one of schematic structural diagrams of a sliding beam according to an embodiment of the present invention;
fig. 4 is a second schematic structural view of a sliding beam according to an embodiment of the present invention;
fig. 5 is a schematic structural view of an upper clamping assembly according to an embodiment of the present invention.
Description of reference numerals:
1. fixing a bracket; 1.1, an upper clamping mechanism; 1.2, putting the beam body on; 1.3, an upper clamping component; 1.4, a lower clamping mechanism;
1.5, a lower beam body; 1.6, a lower clamping component; 1.7, a strip-shaped chute;
2. a sliding beam; 2.1, driving a gear; 2.2, a sawtooth part;
3. an elastic member;
4. a pressing member;
4.1, pressing the disc; 4.2, a sliding column; 4.3, a temperature sensor; 4.4, a cylindrical trigger piece;
5. a fixing member;
5.1, opening the cavity; 5.2, a pressure sensor;
6. a power input mechanism;
7. an alignment device; 7.1, a launcher; 7.2, a receiving piece.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-5, an embodiment of the present invention provides a thin layer prefabricated test fixture for asphalt pavement test piece, which includes a fixing support 1, an upper clamping mechanism 1.1 and a lower clamping mechanism 1.4 for clamping a test piece are disposed on the fixing support 1, the upper clamping mechanism 1.1 includes an upper beam 1.2 and a plurality of upper clamping assemblies 1.3 disposed on the upper beam 1.2, the lower clamping mechanism 1.4 includes a lower beam 1.5 and a plurality of lower clamping assemblies 1.6 disposed on the lower beam 1.5, the upper clamping assembly 1.3 and the lower clamping assembly 1.6 both include a pressing member 4, the pressing device comprises a fixing piece 5 and an elastic piece 3 positioned between a pressing piece 4 and the fixing piece 5, wherein the pressing piece 4 is movably connected to the fixing piece 5, a pressure detection piece is arranged on the fixing piece 5, and the pressing piece 4 moves along the fixing piece 5 and has a first movement stroke for pressing the elastic piece 3 and a second operation stroke for pressing the pressure detection piece; the device also comprises a power input mechanism 6, and at least one of the upper beam body 1.2 and the lower beam body 1.5 can be driven by the power input mechanism 6 to clamp the test piece.
Specifically, the fixed bracket 1 may include a base and a bracket body disposed on the base, such as a U-shaped bracket body, the fixed bracket 1 may also be a frame body, such as a rectangular frame body formed by two parallel vertical bars and two parallel horizontal bars fixedly connected to each other, the upper clamping mechanism 1.1 and the lower clamping mechanism 1.4 may clamp the test piece from the upper direction and the lower direction, the first clamping mechanism and the second clamping mechanism may be disposed at two sides of the test piece in the width direction, after the test piece is conveyed to the fixed bracket 1, the upper clamping mechanism 1.1 and the lower clamping mechanism 1.4 may clamp the test piece from two sides or two side surfaces of the test piece in the width direction to fix the test piece, preferably, the first clamping mechanism and the second clamping mechanism are disposed at two sides of the test piece in the length direction, and after the test piece is conveyed to the fixed bracket 1, the upper clamping mechanism 1.1 and the lower clamping mechanism 1.4 may clamp the test piece from two sides or two side surfaces of the test piece in the length direction The upper clamping mechanism 1.1 comprises an upper beam body 1.2, the upper beam body 1.2 is parallel to the side edge of the test piece in the length direction, the lower side surface of the upper beam body 1.2 can be a plane, the lower side surface of the upper beam body 1.2 can also be a U-shaped with a downward opening, the openings of the lower side surface of the upper beam body 1.2 can be clamped on two opposite side surfaces of the test piece, a plurality of upper clamping assemblies 1.3 are arranged on the upper beam body 1.2, the plurality of upper clamping assemblies 1.3 are sequentially arranged at intervals along the length direction of the upper beam body 1.2, a plurality of clamping pieces can be fixedly arranged on the upper beam body 1.2, the positions of the clamping pieces are fixed at the moment, the plurality of clamping pieces can also be connected with the upper beam body 1.2 through movable connecting pieces, so can adjust the position of a plurality of holders through swing joint spare, can realize supporting to pressing fixedly the test piece of different length. Lower fixture 1.4 includes the underbeam body 1.5, be provided with a plurality of lower centre gripping subassemblies 1.6 on the underbeam body 1.5, lower centre gripping subassembly 1.6's structure and connected mode and upper beam body 1.2, it is the same to go up centre gripping subassembly 1.3, no longer describe here, so after the test piece is put into to fixed bolster 1 (can directly place the test piece on lower centre gripping subassembly 1.6), support to press the realization through a plurality of upper centre gripping subassemblies 1.3 and lower centre gripping subassembly 1.6 and fix the test piece.
In this embodiment, the power input mechanism 6 may be a hydraulic power unit or a pneumatic power unit, the power input mechanism 6 may be connected to only the upper clamping mechanism 1.1, and at this time, the distance between the upper clamping mechanism 1.1 and the lower clamping mechanism 1.4 is adjusted by driving the upper clamping mechanism 1.1, so as to clamp the test piece, or may be connected to only the lower clamping mechanism 1.4, and at this time, the distance between the upper clamping mechanism 1.1 and the lower clamping mechanism 1.4 is adjusted by driving the lower clamping mechanism 1.4, so as to clamp the test piece, the power input machine may be connected to both the upper clamping mechanism 1.1 and the lower clamping mechanism 1.4, when the upper clamping mechanism 1.1 and the lower clamping mechanism 1.4 may be connected to one power input mechanism 6, and at this time, the power input mechanism 6 drives the upper clamping mechanism 1.1 and the lower clamping mechanism 1.4 to move synchronously in opposite directions, therefore, the distance between the upper clamping mechanism 1.1 and the lower clamping mechanism 1.4 is adjusted to clamp a test piece, the upper clamping mechanism 1.1 and the lower clamping mechanism 1.4 can also be respectively and independently connected with a power input assembly, at the moment, the upper clamping mechanism 1.1 and the lower clamping mechanism 1.4 are respectively driven to move, the movement of the upper clamping mechanism 1.1 and the movement of the lower clamping mechanism 1.4 can be asynchronous, when the power input mechanism 6 drives the upper clamping mechanism 1.1 to move, each upper clamping assembly 1.3 synchronously moves, and similarly, when the power input mechanism 6 drives the lower clamping mechanism 1.4 to move, each lower clamping assembly 1.6 synchronously moves, so that the pressing force of each upper clamping assembly 1.3 or each lower clamping assembly 1.6 on the test piece can be kept consistent.
In this embodiment, each of the upper clamping assembly 1.3 and the lower clamping assembly 1.6 includes a pressing member 4 and a fixing member 5, the fixing member 5 is fixedly connected to the upper beam 1.2 or the lower beam 1.5, the fixing member 5 can be a fixing base, the pressing member 4 is movably connected to the fixing member 5, the pressing member 4 can be a cylindrical member, a pressing plate and a connecting post connected to the pressing plate, the pressing plate is used for contacting with the test piece, the connecting post is movably connected to the fixing member 5, the pressing member 4 and the fixing member 5 can be slidably connected, or can be connected in other manners, an elastic member 3 is further disposed between the fixing member 5 and the pressing member 4, the elastic member 3 blocks the movement stroke of the pressing member 4 along the fixing member 5, the elastic member 3 can be a spring, and can elastically buffer the movement of the pressing member 4 through the elastic member 3, the fixing part 5 is provided with a pressure detection piece which can be a pressure sensor 5.2, the pressure detection piece can detect the extrusion pressure of the pressing part 4 on the fixing part 5, the pressure sensors 5.2 on the pressing parts 4 can detect the pressure of the upper clamping components 1.3 and the lower clamping components 1.6, when the pressure of the upper clamping components 1.3 or the lower clamping components 1.6 is different, the thickness of the test piece is different, the deformation of the test piece is indicated, the first movement stroke and the second movement stroke of the pressing part 4 are continuous movements, the distinction is only convenient for description, for example, the pressure value preset by the elastic piece 3 is 10N, when the test piece is clamped, the test piece is firstly placed on the lower clamping mechanism 1.4, each lower clamping component 1.6 supports the test piece, and then the upper clamping component 1.3 and/or the lower clamping component 1.6 are driven to synchronously move through the power input mechanism 6, therefore, the test piece is clamped, in the process of clamping the test piece, the pressing piece 4 starts to move to enter a first movement stroke, in the process, the elastic piece 3 is gradually pressed and compressed, when the pressure on the elastic piece 3 is equal to 10N, the deformation of the elastic piece 3 is shown to reach a preset value, when the pressing piece 4 continues to move to enter a second operation stroke, the low pressing piece presses the pressure detection piece, the pressure detection piece can be a pressure sensor 5.2, the pressure sensor 5.2 detects a pressure value and transmits the pressure value to the control device for displaying, when the numerical values on the pressure sensors 5.2 are the same or within an error range, the thicknesses of all positions of the surface test piece are the same, when the numerical values on the pressure sensors 5.2 exceed the error range, the thicknesses of the corresponding positions of the test piece are shown, and further, in order to improve the precision degree of the thickness detection of the test piece, the quantity that can correspond to increase centre gripping subassembly 1.3 or centre gripping subassembly 1.6 down promotes the effect that detects, can also carry out a lot of and detect in order to promote the accuracy that detects, if detect the back through last centre gripping subassembly 1.3 and lower centre gripping subassembly 1.6 for the first time, then misplace and detect once more through adjusting device to the position of going up centre gripping subassembly 1.3 and lower centre gripping subassembly 1.6, thereby can realize the detection of multiple spot, promote the accuracy that detects.
The embodiment of the utility model provides a thin layer prefabricated formula bituminous paving test fixture, including fixed bolster 1, be provided with on the fixed bolster 1 and be used for carrying out the last fixture 1.1 and lower fixture 1.4 of centre gripping to the test piece, it includes the upper beam body 1.2 and sets up a plurality of centre gripping subassemblies 1.3 on the upper beam body 1.2 to go up fixture 1.1, lower fixture 1.4 includes the lower beam body 1.5 and sets up a plurality of centre gripping subassemblies 1.6 down on the lower beam body 1.5, drive a plurality of upper gripping subassemblies 1.3 and/or centre gripping subassembly 1.6 down through power input mechanism 6, it is fixed to carry out the centre gripping from two sides of test piece, because the distance between a plurality of upper gripping subassemblies 1.3 and the lower centre gripping subassembly 1.6 can be adjusted, so can carry out the centre gripping to the prefabricated formula bituminous paving test piece of different thickness and fix.
The embodiment of the utility model provides a thin layer prefabricated formula bituminous paving test fixture, it all includes pressing part 4 to go up centre gripping subassembly 1.3 and lower centre gripping subassembly 1.6, mounting 5 and be located the elastic component 3 between pressing part 4 and the mounting 5, 4 swing joint of pressing part is on mounting 5, be provided with pressure detection spare on mounting 5, can detect the thickness of each position of prefabricated formula bituminous paving test piece through elastic component 3 and pressure detection spare, so detectable goes out prefabricated formula bituminous paving test piece and whether takes place deformation.
In this embodiment, preferably, the device further includes an alignment device 7, the alignment device 7 is disposed on each of the upper beam body 1.2 and the lower beam body 1.5, the alignment device 7 includes a launching member 7.1 and a receiving member 7.2, and each of the upper clamping assembly 1.3 and the lower clamping assembly 1.6 is provided with an alignment portion which can be located on the same line with the launching member 7.1 and the receiving member 7.2; alignment adjustment of each upper and lower clamp assemblies 1.3, 1.6 can be performed by means of an alignment device 7, so that the upper clamping assemblies 1.3 are positioned on the same straight line, the lower clamping assemblies 1.6 are positioned on the same straight line, the emitting member 7.1 can be an infrared emitter, the receiving member 7.2 can be an infrared receiver, infrared rays can pass through or penetrate through the aligning part, therefore, the emitting piece 7.1 emits infrared rays, the infrared rays sequentially pass through or penetrate through the upper clamping assemblies 1.3 or the lower clamping assemblies 1.6 and then are received by the receiving piece 7.2, the upper clamping assemblies 1.3 or the lower clamping assemblies 1.6 on the surface are located at the same position, the pressure of the upper clamping assemblies 1.3 or the lower clamping assemblies 1.6 on the test piece can be kept consistent, when the infrared rays emitted by the emitting piece 7.1 cannot be received by the receiving piece 7.2, there is a deviation of the clamping assembly 1.3 on the surface or the lower clamping assembly 1.6 and an adjustment of the abutment 4 or the spring 3 is required.
In this embodiment, preferably, there are two power input mechanisms 6, and the upper beam body 1.2 and the lower beam body 1.5 are respectively and independently connected with one power input mechanism 6; at the moment, the upper beam body 1.2 and the lower beam body 1.5 are respectively driven to move, the movement of the upper beam body 1.2 and the movement of the lower beam body 1.5 can be asynchronous, when the power input mechanism 6 drives the upper beam body 1.2 to move, each upper clamping assembly 1.3 synchronously moves, when the power input mechanism 6 drives the lower beam body 1.5 to move, each lower clamping assembly 1.6 synchronously moves, and the pressing and fixing of a test piece are realized through the upper clamping assembly 1.3 and the lower clamping assembly 1.6.
In this embodiment, preferably, the upper beam body 1.2 and the lower beam body 1.5 are provided with strip-shaped chutes 1.7, the strip-shaped chutes 1.7 are internally provided with two sliding beams 2 in a sliding manner, and the upper clamping assembly 1.3 and the lower clamping assembly 1.6 are divided into two groups and respectively fixedly connected to the sliding beams 2; each sliding beam 2 is at least provided with two upper clamping assemblies 1.3 or lower clamping assemblies 1.6, and the fixing parts 5 of the upper clamping assemblies 1.3 or the lower clamping assemblies 1.6 are fixedly connected with the sliding beam 2.
In this embodiment, preferably, the side wall of the strip-shaped chute 1.7 is provided with a driving gear 2.1 and a driving unit, the side edge of the sliding beam 2 is provided with a sawtooth part 2.2, and the driving gear 2.1 is meshed with the sawtooth part 2.2; the drive unit can be driving motor, a drive unit is connected respectively to each drive gear 2.1, when detecting the test piece of different length, perhaps when detecting the thickness of the different positions of same test piece, need adjust the position of last centre gripping subassembly 1.3 and/or lower centre gripping subassembly 1.6, accessible drive unit corresponds drive gear 2.1 and rotates, drive gear 2.1 drive sliding beam 2 slides along bar spout 1.7, thereby accomplish and adjust the position of last centre gripping subassembly 1.3 or lower centre gripping subassembly 1.6.
In this embodiment, preferably, the upper beam body 1.2 and the lower beam body 1.5 are provided with a plurality of strip-shaped chutes 1.7 in parallel, each strip-shaped chute 1.7 is provided with a sliding beam 2, and each sliding beam 2 is provided with an upper clamping assembly 1.3 or a lower clamping assembly 1.6; through setting up a plurality of bar spouts 1.7 and sliding beam 2, can detect the test piece of different width, drive gear 2.1 in the different bar spouts 1.7 can connect a drive unit jointly, thereby realize the synchro-control to each sliding beam 2, also can be respectively independent control, it is provided with a drive gear 2.1 and a drive unit to correspond on each sliding beam 2 promptly, thereby realize independent regulation, so realize centre gripping subassembly 1.3 and lower centre gripping subassembly 1.6 dislocation extrusion detection.
In this embodiment, preferably, the pressing member 4 includes a pressing disc 4.1 and a sliding column 4.2 connected to the pressing disc 4.1, a temperature sensor 4.3 is disposed on the pressing disc 4.1, the temperature sensor 4.3 may be disposed on the pressing disc 4.1 of one upper clamping assembly 1.3 or lower clamping assembly 1.6, or may be disposed on the pressing discs 4.1 of two or more upper clamping assemblies 1.3 or lower clamping assemblies 1.6, and the temperature of the test piece can be detected by the temperature sensor 4.3.
In this embodiment, preferably, the fixing member 5 is fixedly connected with the upper beam body 1.2 or the lower beam body 1.5, the fixing member 5 is provided with an open cavity 5.1, the sliding column 4.2 is slidably connected in the open cavity 5.1, the pressure detecting member includes a pressure sensor 5.2 arranged at the bottom of the open cavity 5.1, and the sliding column 4.2 is provided with a column-shaped trigger member 4.4 capable of pressing the pressure sensor 5.2; the elastic part 3 at least comprises a compression spring which is fixedly arranged in the open cavity 5.1 and is blocked on the movement stroke of the sliding column 4.2 moving along the open cavity 5.1; so when carrying out the centre gripping to the test piece, thereby it makes sliding column 4.2 along the motion of open cavity 5.1 to support to press disc 4.1, in first motion stroke, thereby sliding column 4.2 supports presses compression spring and makes compression spring supported and press, in second motion stroke, cylindricality trigger part 4.4 contacts and supports with pressure sensor 5.2 and presses, pressure sensor 5.2 can detect pressure, thereby realize detecting the thickness of test piece, can cushion extrusion pressure through compression spring, and make pressure sensor 5.2 need not work all the time, reduce pressure sensor 5.2's loss.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (9)
1. A thin-layer prefabricated asphalt pavement test fixture comprises a fixed support and is characterized in that an upper clamping mechanism and a lower clamping mechanism which are used for clamping a test piece are arranged on the fixed support, the upper clamping mechanism comprises an upper beam body and a plurality of upper clamping assemblies arranged on the upper beam body, the lower clamping mechanism comprises a lower beam body and a plurality of lower clamping assemblies arranged on the lower beam body, the upper clamping assemblies and the lower clamping assemblies respectively comprise a pressing part, a fixing part and an elastic part positioned between the pressing part and the fixing part, the pressing part is movably connected onto the fixing part, a pressure detection part is arranged on the fixing part, and the pressing part moves along the fixing part and has a first movement stroke for pressing the elastic part and a second movement stroke for pressing the pressure detection part;
the test piece clamping device further comprises a power input mechanism, and at least one of the upper beam body and the lower beam body can be driven by the power input mechanism to clamp the test piece.
2. The thin-layer prefabricated asphalt pavement test fixture as claimed in claim 1, further comprising an alignment device, wherein the alignment device is disposed on each of the upper beam body and the lower beam body, the alignment device comprises a transmitter and a receiver, and each of the upper clamping assembly and the lower clamping assembly is provided with an alignment portion which can be aligned with the transmitter and the receiver.
3. The thin-layer prefabricated asphalt pavement test fixture as claimed in claim 1, wherein there are two power input mechanisms, and one power input mechanism is independently connected to each of the upper beam body and the lower beam body.
4. The thin-layer prefabricated asphalt pavement test fixture according to claim 1, wherein the upper beam body and the lower beam body are both provided with strip-shaped chutes, the strip-shaped chutes are internally provided with two sliding beams in a sliding manner, and the upper clamping assembly and the lower clamping assembly are divided into two groups which are respectively fixedly connected to the two sliding beams.
5. The thin-layer prefabricated asphalt pavement test fixture as claimed in claim 4, wherein a driving gear and a driving unit are arranged on the side wall of the strip-shaped chute, and a sawtooth part is arranged on the side edge of the sliding beam, and the driving gear is meshed with the sawtooth part.
6. The thin-layer prefabricated asphalt pavement test fixture as claimed in claim 5, wherein a plurality of strip-shaped chutes are arranged on the upper beam body and the lower beam body in parallel, the sliding beam is arranged in each strip-shaped chute, and the upper clamping assembly or the lower clamping assembly is arranged on each sliding beam.
7. The thin-layer prefabricated asphalt pavement test fixture as claimed in claim 1, wherein the pressing member comprises a pressing disc and a sliding column connected with the pressing disc, and a temperature sensor is arranged on the pressing disc.
8. The thin-layer prefabricated asphalt pavement test fixture as claimed in claim 7, wherein the fixing member is fixedly connected to the upper beam or the lower beam, the fixing member is provided with an open cavity, the sliding column is slidably connected to the open cavity, the pressure detecting member includes a pressure sensor disposed at the bottom of the open cavity, and the sliding column is provided with a cylindrical trigger member capable of pressing against the pressure sensor.
9. The thin-layer prefabricated asphalt pavement test fixture as claimed in claim 8, wherein the elastic member comprises at least one compression spring, the compression spring is fixedly disposed in the open cavity, and the compression spring is blocked on a movement stroke of the sliding column moving along the open cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220538282.0U CN216830535U (en) | 2022-03-11 | 2022-03-11 | Thin-layer prefabricated asphalt pavement test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220538282.0U CN216830535U (en) | 2022-03-11 | 2022-03-11 | Thin-layer prefabricated asphalt pavement test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216830535U true CN216830535U (en) | 2022-06-28 |
Family
ID=82093849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220538282.0U Expired - Fee Related CN216830535U (en) | 2022-03-11 | 2022-03-11 | Thin-layer prefabricated asphalt pavement test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216830535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116149395A (en) * | 2023-04-18 | 2023-05-23 | 深圳华通威国际检验有限公司 | Medical material test environment temperature control box |
-
2022
- 2022-03-11 CN CN202220538282.0U patent/CN216830535U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116149395A (en) * | 2023-04-18 | 2023-05-23 | 深圳华通威国际检验有限公司 | Medical material test environment temperature control box |
| CN116149395B (en) * | 2023-04-18 | 2023-07-28 | 深圳华通威国际检验有限公司 | Medical material test environment temperature control box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216830535U (en) | Thin-layer prefabricated asphalt pavement test fixture | |
| CN107627049B (en) | Be used for heat welding to detect Special heat welding device for equipment | |
| CN112326423A (en) | Building material strength detection device | |
| KR101835002B1 (en) | Devices for measurement of hole displacements | |
| CN101846586A (en) | Device for testing flexible service life of mobile phone sliding covers | |
| CN112504138B (en) | Toughened glass conveying detection device and detection method thereof | |
| CN218865524U (en) | Electric servo driven shock absorber performance detection table | |
| CN111307082A (en) | Bearing ring detection control method and system | |
| CA2793958C (en) | Device and method for welding profiled parts | |
| CN212779107U (en) | Size detection device of fuel cell stack | |
| CN213136423U (en) | Parallel clamping fixture and clamping assembly | |
| CN204881579U (en) | Car wick automatic measure machine based on displacement sensor | |
| CN210100741U (en) | Laser welding device for plastics | |
| CN113124755A (en) | Measuring device for building construction detection | |
| CN111521680A (en) | Ceramic plate conveying device | |
| CN111220707A (en) | Automatic testing device for ultrasonic rebound value of platy ceramic | |
| CN215409627U (en) | Automatic glue path detection equipment for notebook computer | |
| CN219563715U (en) | Ceramic wafer extrusion shaping device | |
| CN220006362U (en) | Laser carving machine capable of switching light paths | |
| CN221022388U (en) | Multi-station hot-melt welding machine | |
| CN214313144U (en) | Intrinsic pressure device | |
| CN111377281A (en) | Deviation rectifying mechanism and cutting equipment | |
| CN115091687B (en) | Sedimentation transfer device for mold processing | |
| CN117214013A (en) | Glass panel impact test platform | |
| CN212082286U (en) | Standard sample size measurement system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220628 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |