CN211856142U

CN211856142U - Measuring tool and soil block unconfined compressive strength tester

Info

Publication number: CN211856142U
Application number: CN202020350061.1U
Authority: CN
Inventors: 张世珍; 许铖; 罗发明; 王光明; 杨深; 台晓鸿
Original assignee: Shenzhen Shirui Building Technology Co ltd
Current assignee: Shenzhen Shirui Building Technology Co ltd
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-11-03
Anticipated expiration: 2030-03-18

Abstract

The utility model relates to a measuring tool and an unconfined compression strength tester for soil blocks, which comprises a bottom plate, wherein a measuring rod with scales is vertically connected to the bottom plate, a positioning plate is horizontally and slidably connected to the measuring rod, and a placing cavity for placing the soil blocks is formed between the bottom plate and the positioning plate; the soil block is placed on the bottom plate, and the positioning plate can be abutted against the top of the soil block, so that the height of the soil block is measured through the measuring rod. The utility model discloses help the height of the quick, accurate regulation elevating platform of soil block unconfined compressive strength tester, have the effect that improves work efficiency.

Description

Measuring tool and soil block unconfined compressive strength tester

Technical Field

The utility model belongs to the technical field of the experimental technique of highway engineering and specifically relates to a measuring tool and clod unconfined compressive strength tester.

Background

The tester for testing strength of road material is composed of base, lifting table, motor, screw rod, pressure block and force-measuring ring, and is used to measure unconfined compression strength of soil block.

The elevating platform is arranged on the base, and the motor and the screw rod are arranged in the base and used for respectively automatically and manually controlling the elevating platform to ascend and descend. The base is provided with a support, the support is provided with a pressure block for extruding soil blocks right above the lifting platform, and a force measuring ring connected to the pressure block and used for detecting pressure. When the unconfined compressive strength of the soil block is measured, the motor drives the lifting table to ascend at a high speed and a low speed, and then the lifting table is regulated to ascend to a position close to the pressure block by the screw rod, so that the distance between the lifting table and the pressure block is slightly larger than the height of the test block. At the moment, the soil block is placed on the lifting platform, and when the lifting platform continues to rise to crush the test block, the unconfined compressive strength of the test block can be calculated through the data on the force measuring ring.

The above prior art solutions have the following drawbacks: when the initial state is that the distance between elevating platform and the pressure piece is less than the height of test block, operating personnel need reduce the elevating platform, increases the distance between elevating platform and the pressure piece, makes the test block can put into the elevating platform. The speed of the screw rod driving the lifting table to descend is slow, so that the height of the lifting table is changed slowly, when the lifting table is not adjusted enough, the lifting table is still in a high state, and a test block cannot be placed between the lifting table and the pressure block; when the lifting platform is excessively adjusted, the height of the lifting platform is too small, and more useless work is done by an operator. In contrast, an operator needs to try to place the test block into the lifting table while adjusting the height of the lifting table until the test block can be as close as possible to the placing lifting table of the pressure block, but such an operation mode results in low work efficiency.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a measuring tool, its height that helps the quick, accurate regulation elevating platform of clod unconfined compressive strength tester has the effect that improves work efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a measuring tool comprises a bottom plate, wherein a measuring rod with scales is vertically connected to the bottom plate, a positioning plate is horizontally and slidably connected to the measuring rod, and a placing cavity for placing soil blocks is formed between the bottom plate and the positioning plate; the soil block is placed on the bottom plate, and the positioning plate can be abutted against the top of the soil block, so that the height of the soil block is measured through the measuring rod.

Through adopting above-mentioned technical scheme, through setting up the measuring tool, be equipped with the locating plate on the measuring tool and have the measuring stick of scale for place the clod in the bottom plate after, the locating plate can slide to butt in clod top, and the locating plate still connects on the measuring stick simultaneously, thereby can measure the height of clod through the measuring stick. After the height of the soil block is obtained, the height of the lifting platform on the soil block unconfined compressive strength tester can be adjusted quickly and accurately according to the height of the soil block, so that unnecessary trouble caused by too high height or too low height of the lifting platform is avoided, and the soil block unconfined compressive strength tester has the effects of facilitating the work of operators and improving the working efficiency.

The present invention may be further configured in a preferred embodiment as: the bottom plate is provided with a spine part for limiting the movement of the soil blocks.

Through adopting above-mentioned technical scheme, through set up spine portion on the bottom plate, place the clod in the bottom plate back, spine portion can insert the clod, restricts the activity of clod, improves clod stability to the measuring result that makes the clod is more accurate.

The present invention may be further configured in a preferred embodiment as: the spine portion is equipped with a plurality ofly, and evenly distributed in the bottom plate middle part.

Through adopting above-mentioned technical scheme, to a certain extent, the quantity of spine portion is more, and it is more even to distribute, and spine portion is better to the limiting displacement of soil block, through evenly setting up a plurality of spine portions on the bottom plate, has the effect that further improves soil block stability.

The present invention may be further configured in a preferred embodiment as: the soil block pushing device is characterized in that an ejector block convenient for enabling a soil block to fall off is arranged on the bottom plate, the ejector block is vertically connected to the bottom plate in a sliding mode, and after the ejector block slides upwards, the height of the top of the ejector block is larger than that of the top of the spine portion.

Through adopting above-mentioned technical scheme, through setting up the kicking block on the bottom plate, the kicking block can move about on the bottom plate, because the height that highly is greater than spine portion top of kicking block bottom for after the kicking block upwards moves about, can take the soil block to the height that is higher than spine portion, thereby make soil block and spine portion separation, drop, and then be convenient for take out the soil block from the bottom plate.

Not enough to prior art exists, the utility model discloses a second purpose provides a soil block does not have confined compressive strength tester, and its height that can be quick, accurate regulation elevating platform has the effect that improves work efficiency.

the utility model provides an unrestricted compressive strength tester of clod, includes in the above-mentioned scheme the measuring tool, still include base and sliding connection in the elevating platform on the base, vertical connecting band has graduated branch on the base.

Through adopting above-mentioned technical scheme, including the soil block unconfined compressive strength tester of measuring tool in above-mentioned scheme, can measure the height of soil block in advance to according to mutually supporting of soil block height and branch scale, reach the purpose of quick, accurate regulation elevating platform's height, have the effect that further improves work efficiency.

The present invention may be further configured in a preferred embodiment as: the horizontal sliding connection has the locating lever on the branch, the locating lever can point to the elevating platform top after sliding to adjust the height of elevating platform.

Through adopting above-mentioned technical scheme, through setting up the locating lever on branch, the locating lever can directional elevating platform top to with the scale on the locating lever and the top phase-match of elevating platform, and then make the regulation of elevating platform height more accurate.

The present invention may be further configured in a preferred embodiment as: the edge of the lifting platform is provided with a convex edge for preventing the soil blocks from falling.

Through adopting above-mentioned technical scheme, through setting up protruding edge at the elevating platform edge, after the clod is crushed, protruding edge can play the effect that blocks to the clod to prevent that the clod from dropping from the elevating platform, and then bring bigger facility for operating personnel.

The present invention may be further configured in a preferred embodiment as: the convex edge has elasticity, and the convex edge can be turned downwards.

Through adopting above-mentioned technical scheme, through setting up protruding edge into can overturning downwards, protruding edge upset back downwards, the operating personnel of being convenient for clears up the clod block on the elevating platform to better convenience has.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through setting up the measuring tool, be equipped with the locating plate on the measuring tool and have the measuring stick of scale for place the clod in the bottom plate after, the locating plate can slide to butt in clod top, and the locating plate still connects on the measuring stick simultaneously, thereby can measure the height of clod through the measuring stick. After the height of the soil block is obtained, the height of the lifting platform on the soil block unconfined compressive strength tester can be quickly and accurately adjusted according to the height of the soil block, so that unnecessary troubles caused by overhigh or overlow height of the lifting platform are avoided, and the soil block unconfined compressive strength tester has the effects of facilitating the work of operators and improving the work efficiency;

the spine part and the top block are arranged, so that the soil block can be fixed and taken out on the bottom plate conveniently, and the height of the soil block can be measured conveniently by an operator;

by arranging the positioning rod, the positioning rod can improve the accuracy of height adjustment of the lifting platform and has the effect of further improving the working efficiency;

through setting up the protruding edge that can overturn, the operating personnel of being convenient for blocks the clod and clear up to have better convenience to operating personnel.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram for embodying the gauge.

Reference numerals: 1. a base; 2. a lifting platform; 3. a support; 31. a strut; 32. a fixed mount; 4. a pressure block; 5. a force measuring ring; 6. a measuring tool; 61. a base plate; 611. a spike portion; 6121. a top block; 6122. a movable portion; 6131. a through hole; 6132. a ring groove; 62. a top plate; 63. a measuring rod; 64. positioning a plate; 65. a placement chamber; 7. positioning a rod; 8. and (4) a convex edge.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1-2.

Referring to fig. 1, for the utility model discloses a soil block unconfined compressive strength tester, including base 1, sliding connection has the elevating platform 2 of liftable on the base 1, is equipped with the motor and the lead screw (not shown in the motor and the lead screw picture) that are used for the rising and decline of automatic and manual control elevating platform 2 respectively in the base 1. Be equipped with support 3 on base 1, support 3 is equipped with the pressure piece 4 that is used for extrudeing the clod directly over elevating platform 2 to and connect and be used for detecting the force measuring ring 5 of pressure on pressure piece 4. A measuring tool 6 for measuring the height of the clod is placed on the base 1, and the clod can be placed on the lifting platform 2 for pressure test after height measurement.

Referring to fig. 2, the measuring gauge 6 includes a bottom plate 61 and a top plate 62, two measuring rods 63 with scales are disposed between the bottom plate 61 and the top plate 62, two ends of the measuring rods 63 are respectively vertically connected to the bottom plate 61 and the top plate 62, and the scales on the measuring rods 63 are gradually increased from bottom to top. A positioning plate 64 is further arranged between the bottom plate 61 and the top plate 62, the plane of the side surface of the positioning plate 64 is parallel to the bottom plate 61 and the top plate 62, the measuring rod 63 penetrates through the positioning plate 64, and the positioning plate 64 can slide on the measuring rod 63. When the measuring tool 6 is placed in the forward direction, the bottom plate 61, the top plate 62 and the positioning plate 64 are horizontal, and the measuring rod 63 is vertical.

Referring to fig. 2, a placing cavity 65 for placing the clods is formed between the bottom plate 61 and the positioning plate 64, when the height of the clods is measured, the positioning plate 64 is slid upwards, the clods are placed on the bottom plate 61, the positioning plate 64 is positioned above the clods, and then the positioning plate 64 abuts against the top of the clods under the action of gravity, so that the height of the clods can be measured through the measuring rod 63. After the height of the soil block is obtained, the height of the lifting platform 2 (see fig. 1) can be quickly and accurately adjusted according to the height of the soil block, so that unnecessary troubles caused by too high height or too low height of the lifting platform 2 are avoided, and the effects of facilitating the work of operators and improving the working efficiency are achieved.

Referring to fig. 2, after the soil block is placed on the bottom plate 61, if the soil block is not stably placed, it is easy to cause inaccurate height measurement of the soil block, and for this reason, a plurality of sharp pointed parts 611 for limiting the movement of the soil block are uniformly arranged in the middle of the bottom plate 61, and the sharp pointed parts 611 are tapered with a sharp top. After the soil block is placed on the bottom plate 61, the spine portion 611 can be inserted into the soil block, so that the movement of the soil block is limited, the stability of the soil block is improved, and the measurement result of the soil block is more accurate.

Referring to fig. 2, further, the cross section of the positioning plate 64 is circular, which is beneficial to increase the contact area between the positioning plate 64 and the soil block, so that the positioning plate 64 can be in full contact with the soil block, and the stability of the soil block is higher.

Referring to fig. 2, after the soil block is stably placed on the bottom plate 61 by the spike portion 611, a certain resistance is brought to the removal of the soil block after the measurement is completed, and in order to reduce the resistance of the spike portion 611 to the soil block, the bottom plate 61 is provided with a top block 6121 for facilitating the soil block to fall off. The middle part of the bottom plate 61 is provided with a through hole 6131 matched with the top block 6121, and the through hole 6131 penetrates through the upper surface and the lower surface of the bottom plate 61. The bottom plate 61 is provided with a ring groove 6132 outside the middle part of the through hole 6131, and the ring groove 6132 is communicated with the through hole 6131. The ejector block 6121 is slidably connected to the through hole 6131, a movable portion 6122 matched with the ring groove 6132 is arranged in the middle of the ejector block 6121, and the movable portion 6122 is slidably connected to the ring groove 6132.

Referring to fig. 2, when the ejector block 6121 slides in the through hole 6131, the movable portion 6122 is driven to slide in the same direction in the ring groove 6132, and the movable portion 6122 can abut against the inner wall of the ring groove 6132 after sliding upwards, so that the ejector block 6121 is limited from sliding out of the bottom plate 61. The upper surface and the lower surface of the ejector block 6121 are flush with the upper surface and the lower surface of the bottom plate 61 respectively in a natural state, and after the ejector block 6121 slides upwards, the top of the ejector block 6121 protrudes out of the upper surface of the bottom plate 61 and is higher than the top of the spine 611. The arrangement enables the soil block to be brought to a height higher than the spine portion 611 after the top block 6121 moves upward, so that the soil block is separated from the spine portion 611 and falls off, and the soil block can be taken out of the bottom plate 61 conveniently.

Referring to fig. 1, the bracket 3 includes two supporting rods 31 vertically connected to the base 1, the lower ends of the supporting rods 31 are connected to the base 1, the upper ends of the supporting rods 31 are connected to a fixing frame 32, and the two supporting rods 31 respectively penetrate through two ends of the fixing frame 32 to connect the fixing frame 32. Two ends of the force measuring ring 5 are respectively connected with the fixed frame 32 and the pressure block 4, so that the pressure block 4 is opposite to the lifting platform 2. In order to further improve the accuracy of the height adjustment of the lifting platform 2, the support rod 31 is provided with scales which are gradually increased from the middle of the support rod 31 downwards, wherein the scale corresponding to the bottom of the pressure block 4 is 0.

Referring to fig. 1, a positioning rod 7 is horizontally slidably connected to the supporting rod 31, one end of the positioning rod 7 extends towards the other supporting rod 31, and the positioning rod 7 can point to the top of the lifting table 2 after sliding, so that scales on the positioning rod 7 are matched with the top of the lifting table 2, and the purpose of measuring the height of the lifting table 2 is achieved. Through the cooperation of the soil block height and the scales on the supporting rod 31, an operator can quickly and accurately adjust the height of the lifting platform 2, so that the distance between the lifting platform 2 and the pressure block 4 is slightly larger than the soil block height, and the working efficiency is further improved.

Referring to fig. 1, the edge of the lifting platform 2 is provided with a convex edge 8 for preventing the clod blocks from falling off, the convex edge 8 is made of silica gel, so that the convex edge 8 has certain elasticity, and the convex edge 8 can be turned over downwards after being deformed (the side of the convex edge 8 far away from the positioning rod 7 is deformed in the figure). In this embodiment, the material of the convex edge 8 is silica gel, and in other embodiments, other rubbers may be used, as long as the elastic property is provided in principle. When the convex edge 8 is not turned over, the convex edge can play a role of blocking the crushed soil blocks formed after the soil blocks are crushed, so that the crushed soil blocks are prevented from falling off the lifting platform 2; after the clod block has been blockked along protruding 8, the operating personnel of can being convenient for on the upset protruding edge 8 cleared up the clod block on elevating platform 2 to bring bigger facility for operating personnel.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A measuring implement, characterized by: the soil block soil mass measuring device comprises a bottom plate (61), a measuring rod (63) with scales is vertically connected to the bottom plate (61), a positioning plate (64) is horizontally and slidably connected to the measuring rod (63), and a placing cavity (65) for placing soil blocks is formed between the bottom plate (61) and the positioning plate (64); the soil block is placed on the bottom plate (61), and the positioning plate (64) can abut against the top of the soil block, so that the height of the soil block is measured through the measuring rod (63).

2. A gauge according to claim 1, wherein: the bottom plate (61) is provided with a spike part (611) for limiting the movement of the soil block.

3. A gauge according to claim 2, wherein: the plurality of spike parts (611) are uniformly distributed in the middle of the bottom plate (61).

4. A gauge according to claim 2, wherein: the soil block lifting device is characterized in that an ejector block (6121) which is convenient for falling of soil blocks is arranged on the bottom plate (61), the ejector block (6121) is vertically connected to the bottom plate (61) in a sliding mode, and after the ejector block (6121) slides upwards, the height of the top of the ejector block (6121) is larger than that of the top of the spine part (611).

5. The utility model provides a soil block unconfined compressive strength tester which characterized in that: the gauge comprising any one of claims 1 to 4, further comprising a base (1) and a lifting platform (2) slidably connected to the base (1), wherein the base (1) is vertically connected with a graduated strut (31).

6. The apparatus of claim 5, wherein: the horizontal sliding connection has locating lever (7) on branch (31), locating lever (7) slip back can point to elevating platform (2) top to adjust the height of elevating platform (2).

7. The apparatus of claim 5, wherein: the edge of the lifting platform (2) is provided with a convex edge (8) for preventing the clod blocks from falling.

8. The apparatus of claim 7, wherein: the convex edge (8) has elasticity, and the convex edge (8) can be turned downwards.