CN210323031U - Asphalt mixture detection equipment - Google Patents

Asphalt mixture detection equipment Download PDF

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Publication number
CN210323031U
CN210323031U CN201920990045.6U CN201920990045U CN210323031U CN 210323031 U CN210323031 U CN 210323031U CN 201920990045 U CN201920990045 U CN 201920990045U CN 210323031 U CN210323031 U CN 210323031U
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CN
China
Prior art keywords
positioning
support plate
pressure head
supporting plate
buffer groove
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Expired - Fee Related
Application number
CN201920990045.6U
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Chinese (zh)
Inventor
李坤建
李媛
秦琴
陈思庆
刘远良
冯思远
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Chongqing Construction Engineering Group Co Ltd
Chongqing Construction Residential Engineering Co Ltd
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Chongqing Construction Engineering Group Co Ltd
Chongqing Construction Residential Engineering Co Ltd
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Priority to CN201920990045.6U priority Critical patent/CN210323031U/en
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Abstract

本实用新型提出了一种沥青混合料检测设备,包括底座,底座上设置有可升降的托板,托板上方设置有可升降的压力传感器,托板和压力传感器之间设置有压头,压头上设置有定位孔,托板包括第一托板和第二托板,第一托板转动配合于第二托板上方,第一托板上设置有定位件,定位件一端可与定位孔卡合,第二托板上设置有缓冲槽,定位件的另一端设置于缓冲槽内,缓冲槽上设置有定位槽,定位件位于缓冲槽内的一端设置有定位柱,定位柱卡合于定位槽内,还包括复位机构,复位机构用于驱使第一托板复位,当压头受到瞬间冲击时,发生偏移带动定位柱偏移,此时定位柱脱离定位槽,定位件沿缓冲槽移动一段距离,避免压头或定位件因为偏转发生损坏。

Figure 201920990045

The utility model provides an asphalt mixture detection device, which comprises a base, a liftable support plate is arranged on the base, a liftable pressure sensor is arranged above the support plate, a pressure head is arranged between the support plate and the pressure sensor, and the pressure The head is provided with a positioning hole, the support plate includes a first support plate and a second support plate, the first support plate is rotatably fitted above the second support plate, the first support plate is provided with a positioning piece, one end of the positioning piece can be connected with the positioning hole The second support plate is provided with a buffer groove, the other end of the positioning member is set in the buffer groove, the buffer groove is provided with a positioning groove, and one end of the positioning member located in the buffer groove is provided with a positioning column, and the positioning column is engaged with the buffer groove. The positioning groove also includes a reset mechanism. The reset mechanism is used to drive the first pallet to reset. When the indenter is impacted instantaneously, the offset will drive the positioning column to shift. At this time, the positioning column is separated from the positioning groove, and the positioning member moves along the buffer groove. Move a distance to avoid damage to the indenter or the positioning piece due to deflection.

Figure 201920990045

Description

Asphalt mixture detection equipment
Technical Field
The utility model relates to a pitch test field, concretely relates to bituminous mixture check out test set.
Background
Before asphalt is paved, various performances of asphalt are required to be tested, wherein Marshall stability is an important parameter of the asphalt, but when an existing Marshall tester is used for testing, in order to align a pressure sensor with a pressure head, a positioning mechanism is usually arranged to position the pressure head, but sometimes the pressure head rises too fast, the pressure head is easy to deflect after colliding with the pressure sensor, and at the moment, the pressure head and a positioning piece generate torsional force, so that the pressure head or the positioning piece are easy to damage, and the problems are needed to be solved urgently in the field.
SUMMERY OF THE UTILITY MODEL
The invention aims to provide asphalt mixture detection equipment which can reduce the acting force between a pressure head and a positioning piece when the pressure head deflects.
In order to solve the technical problem, the invention provides the following scheme: an asphalt mixture detection device comprises a base, a lifting supporting plate is arranged on the base, a lifting pressure sensor is arranged above the supporting plate, a pressure head is arranged between the supporting plate and the pressure sensor, a test piece is placed in the middle of the pressure head, a positioning hole is arranged on the pressure head,
the layer board includes first layer board and second layer board, first layer board normal running fit in second layer board top, be provided with the setting element on the first layer board, setting element one end salient in first layer board and can with the locating hole block, be provided with the dashpot on the second layer board, the other end of setting element set up in the dashpot, be provided with the constant head tank on the dashpot, the setting element is located one end in the dashpot is provided with the reference column, the reference column block in the constant head tank, still include canceling release mechanical system, canceling release mechanical system is used for ordering about first layer board resets.
Further, the method comprises the following steps: the pressure head includes pressure head and lower pressure head, go up the pressure head with be provided with between the pressure head down and be used for placing the cavity of test piece, be provided with on the pressure head down and pass the traveller and the displacement sensor of last pressure head, the locating hole sets up on the pressure head down.
Further, the method comprises the following steps: the reset mechanism is a torsion spring, the first supporting plate is connected with the second supporting plate through a rotating shaft, and the torsion spring is arranged on the rotating shaft of the first supporting plate.
Further, the method comprises the following steps: and a damping mechanism is arranged in the buffer groove and connected with the positioning piece.
Further, the method comprises the following steps: the damping mechanism is elastic rubber.
The invention has the beneficial effects that: when the pressure head receives impact in the twinkling of an eye, take place the skew and drive the reference column skew, the reference column breaks away from the constant head tank this moment, and the setting element removes one section distance along the dashpot to can not produce great torsion and friction between messenger's pressure head and the setting element, avoid pressure head or setting element to take place to damage because of deflecting.
Drawings
FIG. 1 is an overall schematic view of a device;
FIG. 2 is a side semi-sectional view of the pallet;
FIG. 3 is a top perspective view of the pallet;
the reference numbers are as follows: the device comprises a base 1, a sensor 2, an upper pressure head 31, a lower pressure head 32, a supporting plate 4, a first supporting plate 41, a second supporting plate 42, a positioning piece 5, a buffer groove 6, a positioning groove 71, a positioning column 72 and a damping mechanism 8.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
As shown in fig. 1 to 3, this application includes base 1, install lift actuating mechanism in the base 1, like elevator motor or cylinder, wherein lift actuating mechanism is connected with layer board 4 for drive layer board 4 goes up and down in base 1 top, layer board 4 top is provided with liftable pressure sensor 2, and is concrete, and the crossbeam is installed through the guide post in base 1 top, installs on the crossbeam and pushes down the mechanism and is connected with pressure sensor 2, layer board 4 with the pressure head has been placed between the pressure sensor 2, the pressure head middle part is used for placing the test piece, the locating hole has been seted up on the pressure head.
The supporting plate 4 comprises a first supporting plate 414 and a second supporting plate 424, the second supporting plate 424 is rotatably matched with the upper surface of the first supporting plate 414, a positioning member 5 is fixed on the first supporting plate 414, two ends of the positioning member 5 extend out of two side surfaces of the first supporting plate 414, wherein one end of the positioning member 5 protruding out of the upper side of the first supporting plate 414 can be clamped in the positioning hole card, a buffer groove 6 is arranged on the second supporting plate 424, the other end of the positioning member 5 extends into the buffer groove 6, a positioning groove 71 is arranged at the middle bottom of the buffer groove 6, a positioning column 72 is arranged at the end part of one end of the positioning member 5 positioned in the buffer groove 6, when the application works normally, the positioning column 72 is clamped in the positioning groove 71, in addition, the supporting plate further comprises a reset mechanism, specifically, the reset mechanism is a torsion spring arranged on the rotating shaft of the first supporting plate 414, the torsion spring is used to drive the first support plate 414 to reset.
Wherein, the pressure head includes pressure head 31 and lower pressure head 32, go up pressure head 31 with be provided with the arc wall down between the pressure head 32 respectively, two arc walls can enclose to be used for placing the cavity of test piece, be provided with on the pressure head 32 down and pass go up pressure head 31's traveller and displacement sensor 2, the locating hole is seted up in the bottom surface of pressure head 32 down.
Wherein, a damping mechanism 8 connected with the positioning piece 5 is also arranged in the buffer slot 6, and the damping mechanism 8 can be an elastic rubber block.
This application is when fixing a position the pressure head, with the pressure head block on reference column 72, when testing, layer board 4 drives the pressure head and rises, pressure sensor 2 descends, when pressure head and pressure sensor 2 relative motion speed are too fast, pressure sensor 2 strikes the pressure head easily and makes it take place the skew, the pressure head skew drives reference column 72 skew, reference column 72 breaks away from constant head tank 71 this moment, setting element 5 removes one section distance along dashpot 6, thereby can not produce great torsion and friction between messenger's pressure head and the setting element 5, avoid pressure head or setting element 5 to take place to damage because of deflecting, operating personnel takes place the skew back at the pressure head, the pressure head can descend, first layer board 414 resets under canceling release mechanical action.
Reference may be made to "T0709" in the present application for a marshall stability test method, wherein, because the damping mechanism 8 and the positioning column 72 are provided to fix and hold the positioning member 5, the pressure head will drive the positioning member 5 to shift only when strong and/or non-positive impact force is generated, and when testing, the pressure head slowly extrudes the test member, and the applied pressure is positive and relatively stable, so that the positioning member 5 will not shift when testing.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (5)

1.一种沥青混合料检测设备,包括底座,所述底座上设置有可升降的托板,所述托板上方设置有可升降的压力传感器,所述托板和所述压力传感器之间设置有压头,所述压头中部用于放置测试件,所述压头上设置有定位孔,1. An asphalt mixture detection device, comprising a base on which a liftable support plate is arranged, a liftable pressure sensor is arranged above the support plate, and a liftable pressure sensor is arranged between the support plate and the pressure sensor. There is an indenter, the middle of the indenter is used to place the test piece, and the indenter is provided with a positioning hole, 所述托板包括第一托板和第二托板,所述第一托板转动配合于所述第二托板上方,所述第一托板上设置有定位件,所述定位件一端突出于所述第一托板并可与所述定位孔卡合,所述第二托板上设置有缓冲槽,所述定位件的另一端设置于所述缓冲槽内,所述缓冲槽上设置有定位槽,所述定位件位于所述缓冲槽内的一端设置有定位柱,所述定位柱卡合于所述定位槽内,还包括复位机构,所述复位机构用于驱使所述第一托板复位。The supporting plate includes a first supporting plate and a second supporting plate, the first supporting plate is rotatably fitted above the second supporting plate, a positioning member is provided on the first supporting plate, and one end of the positioning member protrudes The first support plate can be engaged with the positioning hole, the second support plate is provided with a buffer groove, the other end of the positioning member is set in the buffer groove, and the buffer groove is provided on the buffer groove. There is a positioning groove, one end of the positioning member located in the buffer groove is provided with a positioning column, the positioning column is engaged in the positioning groove, and a reset mechanism is also included, and the reset mechanism is used to drive the first The pallet is reset. 2.如权利要求1所述的一种沥青混合料检测设备,其中,所述压头包括上压头和下压头,所述上压头和所述下压头之间设置有用于放置所述测试件的空腔,所述下压头上设置有穿过所述上压头的滑柱和位移传感器,所述定位孔设置所述下压头上。2. The asphalt mixture testing equipment according to claim 1, wherein the pressure head comprises an upper pressure head and a lower pressure head, and a space for placing the The cavity of the test piece, the lower pressure head is provided with a spool and a displacement sensor passing through the upper pressure head, and the positioning hole is arranged on the lower pressure head. 3.如权利要求1所述的一种沥青混合料检测设备,其中,所述复位机构为扭簧,所述第一托板通过转轴与所述第二托板连接,所述扭簧设置于所述第一托板的转轴上。3. The asphalt mixture testing device according to claim 1, wherein the reset mechanism is a torsion spring, the first support plate is connected to the second support plate through a rotating shaft, and the torsion spring is arranged on the on the rotating shaft of the first pallet. 4.如权利要求1所述的一种沥青混合料检测设备,其中,所述缓冲槽内设置有阻尼机构,其于所述定位件连接。4 . The asphalt mixture testing equipment according to claim 1 , wherein a damping mechanism is provided in the buffer tank, which is connected to the positioning member. 5 . 5.如权利要求4所述的一种沥青混合料检测设备,其中,所述阻尼机构为弹性橡胶。5. The asphalt mixture testing device according to claim 4, wherein the damping mechanism is elastic rubber.
CN201920990045.6U 2019-06-28 2019-06-28 Asphalt mixture detection equipment Expired - Fee Related CN210323031U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920990045.6U CN210323031U (en) 2019-06-28 2019-06-28 Asphalt mixture detection equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920990045.6U CN210323031U (en) 2019-06-28 2019-06-28 Asphalt mixture detection equipment

Publications (1)

Publication Number Publication Date
CN210323031U true CN210323031U (en) 2020-04-14

Family

ID=70147292

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920990045.6U Expired - Fee Related CN210323031U (en) 2019-06-28 2019-06-28 Asphalt mixture detection equipment

Country Status (1)

Country Link
CN (1) CN210323031U (en)

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Granted publication date: 20200414