CN211875477U - Semi-rigid material drying shrinkage test placing support - Google Patents
Semi-rigid material drying shrinkage test placing support Download PDFInfo
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- CN211875477U CN211875477U CN201922302427.8U CN201922302427U CN211875477U CN 211875477 U CN211875477 U CN 211875477U CN 201922302427 U CN201922302427 U CN 201922302427U CN 211875477 U CN211875477 U CN 211875477U
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- workbench
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- rigid material
- vertical frame
- supporting vertical
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Abstract
A semi-rigid material drying shrinkage test placing support comprises a base, a workbench and a supporting vertical frame, wherein the workbench is positioned above the base, the lower end of the supporting vertical frame is fixedly connected to the middle of the top surface of the workbench, and the semi-rigid material drying shrinkage test placing support further comprises a horizontal adjusting mechanism, a horizontal measuring device, a height positioning mechanism and a locking mechanism; the horizontal adjusting mechanism is positioned between the base and the workbench, and the top end of the horizontal adjusting mechanism is fixedly connected with the bottom surface of the workbench; the horizontal measuring device is fixedly arranged on the bottom surface of the workbench and is positioned at a position corresponding to the bottom end of the supporting vertical frame; one end of the height positioning mechanism is connected with the upper part of the supporting vertical frame and can be longitudinally adjusted relative to the supporting vertical frame, and the locking mechanism is arranged at the joint of the height positioning mechanism and the supporting vertical frame.
Description
Technical Field
The utility model relates to a civil engineering test technical field, concretely relates to support is placed in semi-rigid material shrinkage test.
Background
In the solid engineering of a double-arch bridge, an expressway and the like, when a base layer is paved and a surface layer is paved, a semi-rigid base layer is most likely to generate cracks due to drying shrinkage, the cracks begin to develop at weak points of the road surface, and the cracks gradually expand under the action of load to form reflection cracks of the surface layer. Therefore, the research on the drying shrinkage performance of the semi-rigid base material has important significance for improving the crack resistance of the semi-rigid base.
The detection of the dry shrinkage performance of the semi-rigid material before construction is an important part for researching the dry shrinkage performance of the semi-rigid material, the semi-rigid material dry shrinkage test is generally that a material test piece is cured for 7 days at standard temperature and humidity after being molded, then the material test piece is placed on a shrinkage instrument support, a dial indicator is used for measuring the dry shrinkage deformation reading of the material test piece, and the measurement data needs to meet the precision requirement of 0.001 mm.
The existing placing support for the semi-rigid material drying shrinkage test cannot adjust the horizontal position of the workbench when in use, and when the placing support is positioned on an uneven table top, the inaccuracy of subsequent measurement data can be caused, so that the test result is influenced; and the existing semi-rigid material drying shrinkage test placing support is not convenient for adjusting the dial indicator frame when in use, thereby influencing the test.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model aims at providing a support is placed in semi-rigid material shrinkage test, and this experiment is placed the support and can be adjusted the horizontal position of workstation, and the adjustment amesdial frame is convenient, guarantees measured data's accuracy.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is:
a semi-rigid material dry shrinkage test placing support comprises a base, a workbench and a supporting vertical frame, wherein the workbench is positioned above the base, the lower end of the supporting vertical frame is fixedly connected to the middle of the top surface of the workbench, and the semi-rigid material dry shrinkage test placing support is structurally characterized by further comprising a horizontal adjusting mechanism, a horizontal measuring device, a height positioning mechanism and a locking mechanism; the horizontal adjusting mechanism is positioned between the base and the workbench, and the top end of the horizontal adjusting mechanism is fixedly connected with the bottom surface of the workbench; the horizontal measuring device is fixedly arranged on the bottom surface of the workbench and is positioned at a position corresponding to the bottom end of the supporting vertical frame; one end of the height positioning mechanism is connected with the upper part of the supporting vertical frame and can be longitudinally adjusted relative to the supporting vertical frame, and the locking mechanism is arranged at the joint of the height positioning mechanism and the supporting vertical frame.
The horizontal position of the workbench is adjusted through the horizontal adjusting mechanism, so that the workbench is always in the horizontal position during measurement, and whether the workbench is in the horizontal position or not can be judged through the horizontal measuring device, so that the measured data are more accurate, the error of the test process is reduced, and the test precision is improved. Through the cooperation between high positioning mechanism and the locking mechanism, be convenient for adjust and fix the amesdial frame for the height of workstation, convenient and fast is favorable to experimental going on.
Furthermore, the horizontal adjusting mechanism comprises a connecting seat, a threaded sleeve and a first stud, the lower end of the first stud is connected with the upper surface of the base, the upper portion of the first stud is in threaded connection with the threaded sleeve, the top end of the threaded sleeve is rotatably connected with the connecting seat, and the connecting seat is fixedly connected with the bottom surface of the workbench. When rotating the swivel nut, the swivel nut just can drive the connecting seat and remove on first double-screw bolt to the realization is adjusted the inclination of workstation, adjusts the workstation to horizontal position.
The horizontal adjusting mechanism further comprises a bearing, and the top end of the threaded sleeve is rotatably connected with the connecting seat through the bearing.
The level measurement device is a level bubble instrument. Whether the workbench is in a horizontal position or not can be judged through the horizontal bubble instrument, so that the horizontal position of the workbench can be adjusted.
Furthermore, the height positioning mechanism comprises a dial indicator frame, a connecting block and sliders, the dial indicator frame, the connecting block and the sliders are horizontally arranged, a vertical groove is formed in the supporting vertical frame, a sliding groove is formed in the inner wall of the vertical groove, the connecting block is installed at one end of the dial indicator frame, and the sliders on the two sides of the connecting block are arranged in the corresponding sliding groove and can slide up and down along the sliding groove. Through setting up slider and spout sliding connection, be convenient for remove the amesdial frame to be convenient for adjust the height of amesdial frame according to the height of the piece that awaits measuring.
The dial indicator frame is provided with a mounting groove, and a circular hole is formed in the mounting groove.
Further, locking mechanism includes second double-screw bolt, lock nut, the one end of second double-screw bolt with connecting block fixed connection, just the one end that the connecting block was kept away from to the second double-screw bolt extends to the outside of vertical groove, be equipped with on the second double-screw bolt lock nut, locking mechanism 7 can make height positioning mechanism 6 locking is in on the support grudging post 3. When needs are fixed to the amesdial frame, move lock nut through twisting to make lock nut be close to support grudging post one side, thereby lock fixedly to the amesdial frame, when needs remove the amesdial frame, through unscrew lock nut can, it is very convenient.
Furthermore, the limiting mechanism comprises a limiting rod and a limiting rod driving device, the two limiting rods are respectively located on two opposite sides of the lower portion of the supporting vertical frame, a limiting rod moving groove is formed in the top surface of the workbench, and the lower end of the limiting rod is connected with the limiting rod driving device in the workbench. The piece to be measured is clamped and fixed through the limiting rod, and the piece to be measured is prevented from falling down.
The utility model discloses a screw rod, including the guide screw, the middle movable block, the hand wheel that are the silk cover that are of gag lever post drive arrangement, the lead screw level sets up the inner chamber of workstation, the one end of lead screw extends to the workstation outside and is equipped with the hand wheel, the lead screw with it divide into left screw thread section and right screw thread section as the boundary to support grudging post lower part relevant position, pass through respectively on left screw thread section, the right screw thread section silk cover threaded connection the movable block, two the movable block top is fixed connection respectively the gag lever post. Through rotating the hand wheel for the lead screw rotates, thereby makes two movable blocks drive two gag lever posts and is close to each other, can advance spacing fixed with the piece that awaits measuring, prevents to await measuring in the measurement process that the piece takes place to rock and causes the inaccurate phenomenon of measured data to take place.
Compared with the prior art, the beneficial effects of the utility model are that:
1) through the horizontal adjusting mechanism and the horizontal bubble instrument which are arranged, the horizontal position of the device can be conveniently adjusted, so that the workbench is always in the horizontal position when in measurement, the measurement data is more accurate, the error of the test process is reduced, and the test precision is improved.
2) Through setting up the cooperation between high positioning mechanism and the locking mechanism, be convenient for adjust the height of amesdial frame, be convenient for fix it simultaneously, convenient and fast is favorable to experimental going on.
3) Through the stop gear who sets up, can advance spacing fixed with the piece that awaits measuring, prevent to await measuring in the measurement process that the piece emergence rocks and causes the inaccurate phenomenon of measured data to take place.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a connection diagram of the middle support stand and the dial indicator stand of the present invention;
FIG. 3 is a schematic structural view of the dial indicator frame of the present invention;
fig. 4 is a partially enlarged view of the horizontal adjustment mechanism of fig. 1.
In the figure
1-a base; 2-a workbench; 3-supporting a vertical frame; 4-a horizontal adjustment mechanism; 5-a level measuring device; 6-a height positioning mechanism; 7-a locking mechanism; 8-vertical grooves; 9-a limiting mechanism; 10-a limiting rod moving groove;
41-a connecting seat; 42-thread insert; 43-a first stud;
61-dial gauge stand; 62-connecting block; 63-a slide block; 64-mounting grooves; 65-circular hole;
71-a second stud; 72-a locking nut;
91-a limiting rod; 92-a screw rod; 93-a movable block; 94-hand wheel.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.
A semi-rigid material drying shrinkage test placing support comprises a base 1, a workbench 2, a supporting vertical frame 3, a horizontal adjusting mechanism 4, a horizontal measuring device 5, a height positioning mechanism 6 and a locking mechanism 7, wherein the workbench 2 is positioned above the base 1, the lower end of the supporting vertical frame 3 is fixedly connected to the middle of the top surface of the workbench 2, the horizontal adjusting mechanism 4 is positioned between the base 1 and the workbench 2, and the top end of the horizontal adjusting mechanism 4 is fixedly connected with the bottom surface of the workbench 2; the horizontal measuring device 5 is a horizontal bubble instrument which is fixedly arranged on the bottom surface of the workbench 2 and is positioned at a position corresponding to the bottom end of the supporting vertical frame 3; referring to fig. 2, one end of the height positioning mechanism 6 is connected to the upper portion of the supporting vertical frame 3, and can perform longitudinal position adjustment with respect to the supporting vertical frame 3, and the locking mechanism 7 is disposed at a connection portion between the height positioning mechanism 6 and the supporting vertical frame 3.
Referring to fig. 4, the horizontal adjustment mechanism 4 includes a connection seat 41, a threaded sleeve 42, and a first threaded bolt 43, a lower end of the first threaded bolt 43 is connected to the upper surface of the base 1, an upper portion of the first threaded bolt 43 is in threaded connection with the threaded sleeve 42, a top end of the threaded sleeve 42 is rotatably connected to the connection seat 41, and the connection seat 41 is fixedly connected to the bottom surface of the worktable 2. The top end of the threaded sleeve 42 is rotatably connected with the connecting seat 41 through the bearing.
With reference to fig. 2 and 3, the height positioning mechanism 6 includes a dial indicator frame 61, a connecting block 62, and a sliding block 63, which are horizontally disposed, a vertical groove 8 is disposed on the support vertical frame 3, a sliding groove is disposed on an inner wall of the vertical groove 8, the connecting block 62 is mounted at one end of the dial indicator frame 61, and the sliding blocks 63 at two sides of the connecting block 62 are disposed in the corresponding sliding grooves and can slide up and down along the sliding grooves. The dial gauge frame 61 is provided with a mounting groove 64, and the mounting groove 64 is provided with a circular hole 65.
The locking mechanism 7 comprises a second stud 71 and a locking nut 72, the second stud 71 is fixedly connected with the connecting block 62, one end, far away from the connecting block 62, of the second stud 71 extends to the outer side of the vertical groove 8, and the locking nut 72 is connected to the second stud 71.
Preferably, still include stop gear 9, stop gear 9 includes gag lever post 91, gag lever post drive arrangement, gag lever post 91 has two, is located respectively the relative both sides in lower part of supporting grudging post 3, the top surface of workstation 2 is equipped with gag lever post shifting chute 10, just in the lower extreme of gag lever post 91 and workstation 2 gag lever post drive arrangement is connected. The gag lever post drive arrangement includes lead screw 92, middle movable block 93, the hand wheel 94 that is the silk cover, lead screw 92 level sets up the inner chamber of workstation 2, the one end of lead screw 92 extends to the 2 outsides of workstation and is equipped with the hand wheel 94, lead screw 92 with 3 lower parts relevant positions of support grudging post divide into left thread section and right thread section for the boundary, pass through respectively on left thread section, the right thread section silk cover threaded connection the movable block 93, two the movable block 93 top is fixed connection respectively gag lever post 91.
When the device is used, the device is placed at a position to be used, the device is horizontally adjusted through the arranged horizontal adjusting mechanism 4, so that the accuracy of later-stage measurement data is facilitated, then a to-be-measured piece is placed on the workbench 2, the to-be-measured piece is limited and fixed through the arranged limiting mechanism 9, the phenomenon that the to-be-measured piece shakes to cause measurement errors in the measurement process can be effectively prevented, then the to-be-measured piece is contacted with the top end of the to-be-measured piece through the sliding height positioning mechanism 6 to measure the to-be-measured piece, through rotating the screw sleeve 42, as the screw sleeve 42 is in threaded connection with the first stud 43, when the screw sleeve 42 is rotated, the screw sleeve 42 can drive the connecting seat 41 to move on the first stud 43, so that the inclination angle of the workbench 2 can be adjusted to the horizontal position, whether the workbench 2 is in the horizontal position or not can be judged through the arranged horizontal bubble instrument 5, thereby be favorable to adjusting the horizontal position of workstation 2, through rotating hand wheel 94, make lead screw 92 rotate, thereby make two movable blocks 93 drive two gag lever posts 91 and be close to each other, thereby will await measuring the piece and press from both sides tight fixed, prevent to await measuring the piece and fall down, through setting up slider 63 and spout sliding connection, be convenient for remove amesdial frame 61, thereby be convenient for adjust the height of amesdial frame 61 according to the height of awaiting measuring the piece, when needs fix amesdial frame 61, through twisting lock nut 72, thereby make lock nut 72 be close to support grudging post 3 one side, thereby lock fixedly to amesdial frame 61, when needs remove amesdial frame 61, through unscrew lock nut 72 can, it is very convenient.
The above-mentioned embodiments are illustrative and should not be construed as limiting the scope of the invention, which is defined by the appended claims, and all modifications of the equivalent forms of the present invention which are obvious to those skilled in the art after reading the present invention.
Claims (9)
1. A semi-rigid material drying shrinkage test placing support comprises a base (1), a workbench (2) and a supporting vertical frame (3), wherein the workbench (2) is positioned above the base (1), the lower end of the supporting vertical frame (3) is fixedly connected to the middle of the top surface of the workbench (2), and the semi-rigid material drying shrinkage test placing support is characterized by further comprising a horizontal adjusting mechanism (4), a horizontal measuring device (5), a height positioning mechanism (6) and a locking mechanism (7);
the horizontal adjusting mechanism (4) is positioned between the base (1) and the workbench (2), and the top end of the horizontal adjusting mechanism (4) is fixedly connected with the bottom surface of the workbench (2);
the horizontal measuring device (5) is fixedly arranged on the bottom surface of the workbench (2) and is positioned at a position corresponding to the bottom end of the supporting vertical frame (3);
one end of the height positioning mechanism (6) is connected with the upper part of the supporting vertical frame (3) and can be longitudinally adjusted relative to the supporting vertical frame (3), and the locking mechanism (7) is arranged at the joint of the height positioning mechanism (6) and the supporting vertical frame (3).
2. The semi-rigid material drying shrinkage test placing support is characterized in that the horizontal adjusting mechanism (4) comprises a connecting seat (41), a threaded sleeve (42) and a first stud (43), the lower end of the first stud (43) is connected with the upper surface of the base (1), the upper portion of the first stud (43) is in threaded connection with the threaded sleeve (42), the top end of the threaded sleeve (42) is rotatably connected with the connecting seat (41), and the connecting seat (41) is fixedly connected with the bottom surface of the workbench (2).
3. The semi-rigid material drying shrinkage test placing bracket according to claim 2, wherein the horizontal adjusting mechanism (4) further comprises a bearing, and the top end of the screw sleeve (42) is rotatably connected with the connecting seat (41) through the bearing.
4. Semi-rigid material drying shrinkage test placement frame according to claim 1, characterized in that said level measuring device (5) is a level bubble gauge.
5. The semi-rigid material drying shrinkage test placing support is characterized in that the height positioning mechanism (6) comprises a dial indicator frame (61), a connecting block (62) and a sliding block (63) which are horizontally arranged, a vertical groove (8) is formed in the supporting vertical frame (3), a sliding groove is formed in the inner wall of the vertical groove (8), the connecting block (62) is installed at one end of the dial indicator frame (61), and the sliding block (63) on two sides of the connecting block (62) is arranged in the corresponding sliding groove and can slide up and down along the sliding groove.
6. The semi-rigid material drying shrinkage test placing bracket according to claim 5, wherein a mounting groove (64) is formed in the dial indicator frame (61), and a circular hole (65) is formed in the mounting groove (64).
7. The semi-rigid material drying shrinkage test placing bracket according to claim 5, characterized in that the locking mechanism (7) comprises a second stud (71) and a locking nut (72), one end of the second stud (71) is fixedly connected with the connecting block (62), one end of the second stud (71) far away from the connecting block (62) extends to the outer side of the vertical groove (8), the locking nut (72) is mounted on the second stud (71), and the locking mechanism (7) can lock the height positioning mechanism (6) on the supporting stand (3).
8. The semi-rigid material drying shrinkage test placing support frame is characterized by further comprising a limiting mechanism (9), wherein the limiting mechanism (9) comprises a limiting rod (91) and a limiting rod driving device, two limiting rods (91) are respectively located on two opposite sides of the lower portion of the supporting vertical frame (3), a limiting rod moving groove (10) is formed in the top surface of the workbench (2), and the lower end of each limiting rod (91) is connected with the limiting rod driving device in the workbench (2).
9. The semi-rigid material dry shrinkage test placing support is characterized in that the limiting rod driving device comprises a screw rod (92), a movable block (93) with a screw sleeve in the middle and a hand wheel (94), the screw rod (92) is horizontally arranged in an inner cavity of the workbench (2), one end of the screw rod (92) extends to the outer side of the workbench (2) and is provided with the hand wheel (94), the screw rod (92) is divided into a left thread section and a right thread section by taking the corresponding position of the lower portion of the supporting vertical frame (3) as a boundary, the left thread section and the right thread section are respectively in threaded connection with the movable block (93) through the screw sleeve, and the tops of the two movable blocks (93) are respectively and fixedly connected with the limiting rod (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922302427.8U CN211875477U (en) | 2019-12-20 | 2019-12-20 | Semi-rigid material drying shrinkage test placing support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922302427.8U CN211875477U (en) | 2019-12-20 | 2019-12-20 | Semi-rigid material drying shrinkage test placing support |
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| Publication Number | Publication Date |
|---|---|
| CN211875477U true CN211875477U (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922302427.8U Expired - Fee Related CN211875477U (en) | 2019-12-20 | 2019-12-20 | Semi-rigid material drying shrinkage test placing support |
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| CN (1) | CN211875477U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114544921A (en) * | 2022-01-11 | 2022-05-27 | 燕山大学 | Device and method for measuring nonuniform shrinkage of inorganic binder stable material |
| CN115364920A (en) * | 2022-09-09 | 2022-11-22 | 江苏拓米洛环境试验设备有限公司 | Test rack |
-
2019
- 2019-12-20 CN CN201922302427.8U patent/CN211875477U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114544921A (en) * | 2022-01-11 | 2022-05-27 | 燕山大学 | Device and method for measuring nonuniform shrinkage of inorganic binder stable material |
| CN114544921B (en) * | 2022-01-11 | 2023-11-07 | 燕山大学 | Device and method for measuring uneven shrinkage of inorganic binder stabilizing material |
| CN115364920A (en) * | 2022-09-09 | 2022-11-22 | 江苏拓米洛环境试验设备有限公司 | Test rack |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201106 Termination date: 20211220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |