阅读说明：本技术 一种路基压实度检测用取土装置及方法 (Soil sampling device and method for roadbed compactness detection ) 是由 杨喜光 于 2018-10-27 设计创作，主要内容包括：本发明公开了一种路基压实度检测用取土装置及方法,涉及路基压实度检测技术领域。该路基压实度检测用取土装置,包括承载箱,所述承载箱底部的正中开设有第一开口,所述承载箱底部的两侧对称固定连接有固定脚,所述承载箱的底部设置有承载板,所述承载箱内壁四侧的中部开设有环形转动槽。该路基压实度检测用取土装置,通过设置的破土尖刀,可以轻易的进入土层,对样土进行切割,解决了试洞开挖时路基已被压路机进行过多次碾压,路基强度较高,上述装置在开挖试洞时为人工转动旋转柄以使取样筒进入路基中,这样不但造成劳动强度很大,而且容易因取样筒难以进入强度较高的路基中而致使支撑板和支撑腿发生晃动的问题。(The invention discloses a soil sampling device and method for roadbed compactness detection, and relates to the technical field of roadbed compactness detection. This road bed compactness detects uses device of fetching earth, including bearing box, first opening has been seted up in the centre of bearing box bottom portion, the bilateral symmetry fixedly connected with fixed foot of bearing box bottom portion, the bottom of bearing box is provided with the loading board, the annular rotation groove has been seted up at the middle part of four sides of bearing box inner wall. This road bed compactness detects uses device of fetching earth, through the broken soil point sword that sets up, entering soil layer that can be easy, cut sample soil, the road bed has been rolled by the road roller many times when having solved the examination hole and excavating, road bed intensity is higher, above-mentioned device rotates rotatory handle for the manual work when excavating the examination hole so that the sampler barrel gets into in the road bed, so not only cause intensity of labour very big, and cause backup pad and supporting leg to take place the problem of rocking because of the sampler barrel is difficult to get into in the higher road bed of intensity easily moreover.)

1. The utility model provides a road bed compactness detects with device that fetches earth, includes bearing box (1), its characterized in that: a first opening is formed in the center of the bottom of the bearing box (1), fixing legs (2) are symmetrically and fixedly connected to two sides of the bottom of the bearing box (1), a bearing plate (3) is arranged at the bottom of the bearing box (1), an annular rotating groove (4) is formed in the middle of four sides of the inner wall of the bearing box (1), an annular moving groove (5) is formed in four sides of the top of the inner wall of the bearing box (1), a supporting plate (6) is arranged in the middle of the inner cavity of the bearing box (1), sliders (7) are symmetrically and fixedly connected to the middle of two sides of the supporting plate (6), connecting rods are symmetrically and fixedly connected to two sides of the top of the supporting plate (6), soil breaking mechanisms are symmetrically arranged on two sides of the bottom of the supporting plate (6), and a driving mechanism is arranged in;

the ground breaking mechanism comprises a fixed column (91), a second opening is formed in the center of the bottom of the fixed column (91), a limit washer (92) is fixedly connected to the second opening, an electric push rod (93) is fixedly connected to the center of the top of the inner wall of the fixed column (91), the center of the bottom of the electric push rod (93) extends to an output end, a support ring (94) is sleeved on the output end of the electric push rod (93), and the tail end of the output end of the electric push rod (93) is fixedly connected with a ground breaking sharp knife (95);

the driving mechanism comprises a seal box (101), a third opening is formed in the center of the bottom of the seal box (101), a bearing (102) is fixedly connected to the third opening, a motor (103) is fixedly connected to the center of the top of the inner wall of the seal box (101), a rotating shaft (104) is arranged in the center of the bottom of the seal box (101), a planetary gear (105) is arranged in the center of the bottom of the seal box (101), a driven shaft (106) is arranged at the bottom of the planetary gear (105), and a wiring sleeve (107) is arranged on one side of the top of the seal box (101);

the bottom of the fixing foot (2) is in a taper shape, four sides of the bearing plate (3) are bent upwards and attached to the wall body of the bearing box (1), fixing holes (11) matched with the fixing foot (2) are formed in the left side and the right side of the top of the bearing plate (3), and the fixing holes (11) are communicated with the top and the bottom of the bearing plate (3).

2. The earth borrowing device for roadbed compactness detection according to claim 1, wherein: four sides of the supporting plate (6) are attached to four sides of the inner wall of the bearing box (1), one end, far away from the supporting plate (6), of the sliding block (7) extends to the inside of the annular rotating groove (4) and fits with the inner wall of the annular rotating groove (4), the top of the connecting rod is arranged in a disc shape, and the top of the connecting rod extends to the inside of the annular moving groove (5) and fits with the inner wall of the annular moving groove (5).

3. The earth borrowing device for roadbed compactness detection according to claim 2, wherein: the top of each fixing column (91) penetrates through the bottom of the support plate (6) and extends to the outside of the top of the support plate (6), the bottoms of the fixing columns (91) on the two sides are close to each other, the tops of the fixing columns (91) on the two sides are opposite to each other, an included angle between each fixing column (91) and the support plate (6) ranges from 70 degrees to 75 degrees, cutting edges are formed in the front face and the back face of the ground breaking sharp knife (95), the thickness of the ground breaking sharp knife (95) is gradually reduced from the top to the bottom, the cutting edges on the front face and the back face of the ground breaking sharp knife (95) are intersected at the bottom of the ground breaking sharp knife (95), and one end of the bottom of the ground breaking sharp knife (95) is a.

4. The earth borrowing device for roadbed compactness detection according to claim 3, wherein: the outer ring of the support ring (94) is attached to the inner wall of the fixing column (91) and fixedly connected with the inner wall of the fixing column (91), the inner ring of the support ring (94) is attached to the output end of the electric push rod (93), the output end of the electric push rod (93) penetrates through the limiting gasket (92) and extends to the outside of the fixing column (91), the output end of the electric push rod (93) is attached to the limiting gasket (92), the ground breaking sharp knife (95) extends to the outside of the bottom of the bearing box (1) from the first opening of the bearing box (1), the bottom of the ground breaking sharp knife (95) is attached to the wall body of the first opening of the bearing box (1), a through hole (12) which is engaged with a ground breaking sharp knife (95) moving track is formed in the center of the top of the bearing plate (3), and the through hole (12) is communicated with the top and the bottom of the bearing plate (3.

5. The earth borrowing device for roadbed compactness detection according to claim 4, wherein: the top fixed connection of seal box (101) is in the centre of bearing box (1) inner wall top, the top of axis of rotation (104) runs through bearing (102) and extends to the inside of bearing box (1), axis of rotation (104) and bearing (102) laminating and fixed connection mutually, the positive middling pressure body of motor (103) bottom has the output shaft, the top fixed connection of axis of rotation (104) is on the output shaft of motor (103).

6. The earth borrowing device for roadbed compaction degree detection according to claim 5, wherein: the bottom of the rotating shaft (104) is fixedly connected to a sun gear of the planetary gear (105), the top of the driven shaft (106) is fixedly connected to an outer gear ring of the planetary gear (105), and the bottom of the driven shaft (106) is fixedly connected to the center of the top of the supporting plate (6).

7. The earth borrowing device and method for roadbed compactness detection according to any one of claims 1-6, wherein: through the cooperation work of the fixed column (91), the limiting washer (92), the electric push rod (93) and the support ring (94), the soil breaking sharp knives (95) on two sides are pushed to be attached at an angle of 70-75 degrees, the soil layer is prevented from being broken, sample soil is conveniently taken out after cutting, convenience is brought to use, the soil layer can be easily entered through the arranged soil breaking sharp knives (95), the sample soil is cut, the problem that the roadbed is repeatedly rolled by a road roller when a test hole is excavated is solved, and the roadbed strength is high.

Technical Field

The invention relates to the technical field of roadbed compactness detection, in particular to a soil sampling device and method for roadbed compactness detection.

Background

The quality of the highway subgrade has very important influence on the strength, rigidity, flatness and the like of the whole pavement structure, so that the compaction quality of the highway subgrade is one of important internal indexes in the management of working medium application in road engineering. The existing general method for detecting the compaction degree of the roadbed is a sand filling method, wherein the sand filling method is to replace the foundation soil in a test hole by utilizing the measuring sand with uniform particles, and then the compaction degree value of the roadbed is calculated according to the volume of the measuring sand and the weight of the replaced foundation soil. When carrying out the road bed and borrowing excavation examination hole, mostly adopt artifical manual hole of digging to accomplish among the prior art, not only dig hole intensity of labour big like this, and the pore-forming shape also is difficult to guarantee the rule unanimous to can influence measured data's accuracy, and its work efficiency is low, delays man-hour easily. Chinese utility model patent CN203129119U discloses a road base compactness detects sampling device, and it includes the backup pad, the supporting leg, the screw rod, nut and sampler barrel, characterized by backup pad top central authorities set up the nut, the screw rod passes nut and backup pad and is connected with the sampler barrel, and the top of screw rod is provided with rotatory handle, and the backup pad below sets up the supporting leg, and the supporting leg below is provided with circular steadying plate. Compared with manual hole digging, the device has the advantages that the peripheral wall of the dug test hole is smooth, and the sampling effect is good. However, the roadbed is rolled for many times by the road roller when the test hole is excavated, the roadbed strength is high, and the rotary handle is manually rotated to enable the sampling cylinder to enter the roadbed when the test hole is excavated, so that the labor intensity is high, and the supporting plate and the supporting legs are easy to shake due to the fact that the sampling cylinder is difficult to enter the roadbed with high strength.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a soil sampling device and a soil sampling method for detecting the compaction degree of a roadbed, which solve the problems that the roadbed is repeatedly rolled by a road roller when a test hole is excavated, the strength of the roadbed is high, a rotary handle is manually rotated to enable a sampling cylinder to enter the roadbed when the test hole is excavated, the labor intensity is low, and a supporting plate and supporting legs cannot shake due to the fact that the sampling cylinder cannot easily enter the roadbed with high strength.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a road bed compactness detects with device and method of fetching earth, includes the bearing box, the centre of bearing box bottom portion has seted up first opening, the bilateral symmetry fixedly connected with fixed foot of bearing box bottom portion, the bottom of bearing box is provided with the loading board, the annular rotation groove has been seted up at the middle part of four sides of bearing box inner wall, the annular shifting groove has been seted up at four sides of bearing box inner wall top, the middle part of bearing box inner chamber is provided with the backup pad, the middle part symmetry fixedly connected with slider of backup pad both sides, the bilateral symmetry fixedly connected with connecting rod at backup pad top, the bilateral symmetry of backup pad bottom is provided with the mechanism that breaks ground, the centre at backup pad top is provided with actuating mechanism.

Preferably, the ground breaking mechanism comprises a fixed column, a second opening is formed in the center of the bottom of the fixed column, a limiting washer is fixedly connected to the second opening, an electric push rod is fixedly connected to the center of the top of the inner wall of the fixed column, the center of the bottom of the electric push rod extends to an output end, a support ring is sleeved on the output end of the electric push rod, and the tail end of the output end of the electric push rod is fixedly connected with a ground breaking sharp knife.

Preferably, actuating mechanism includes the seal box, the third opening has been seted up in the centre of seal box bottom, third opening department fixedly connected with bearing, the centre fixedly connected with motor at seal box inner wall top, the centre of seal box bottom is provided with the axis of rotation, the centre of seal box bottom is provided with planetary gear, planetary gear's bottom is provided with the driven shaft, one side at seal box top is provided with the wire sleeve.

Preferably, the bottom of the fixing leg is in a taper shape, four sides of the bearing plate are bent upwards and attached to the wall body of the bearing box, fixing holes matched with the fixing leg are formed in the left side and the right side of the top of the bearing plate, and the fixing holes are communicated with the top and the bottom of the bearing plate.

Preferably, four sides of the supporting plate are attached to four sides of the inner wall of the carrying box, one end of the sliding block, which is far away from the supporting plate, extends to the inside of the annular rotating groove and fits with the inner wall of the annular rotating groove, the top of the connecting rod is arranged in a disc shape, and the top of the connecting rod extends to the inside of the annular moving groove and fits with the inner wall of the annular moving groove.

Preferably, the tops of the fixing columns penetrate through the bottom of the supporting plate and extend to the outside of the top of the supporting plate, the bottoms of the fixing columns on two sides are close to each other, the tops of the fixing columns on two sides are opposite to each other, an included angle between each fixing column and the supporting plate is 70-75 degrees, cutting edges are arranged on the front side and the back side of the ground breaking sharp knife, the thickness of the ground breaking sharp knife is gradually reduced from the top to the bottom, the cutting edges on the front side and the back side of the ground breaking sharp knife are intersected at the bottom of the ground breaking sharp knife, and one end of the bottom of the ground breaking sharp knife is a sharp point.

Preferably, the outer ring of the support ring is attached to the inner wall of the fixed column and fixedly connected with the inner wall of the fixed column, the inner ring of the support ring is attached to the output end of the electric push rod, the output end of the electric push rod penetrates through the limit gasket and extends to the outside of the fixed column, the output end of the electric push rod is attached to the limit gasket, the ground breaking sharp knife extends to the outside of the bottom of the bearing box from the first opening of the bearing box, the bottom of the ground breaking sharp knife is attached to the wall body of the first opening of the bearing box, a through hole matched with the ground breaking sharp knife moving track is formed in the middle of the top of the bearing plate, and the through hole is communicated with the top and the.

Preferably, the top fixed connection of seal box is in the centre at bearing box inner wall top, the top of axis of rotation runs through the bearing and extends to the inside of bearing box, axis of rotation and bearing laminating and fixed connection mutually, the centre of motor bottom is pressed the body and is had the output shaft, the top fixed connection of axis of rotation is on the output shaft of motor.

Preferably, the bottom of the rotating shaft is fixedly connected to a sun gear of the planetary gear, the top of the driven shaft is fixedly connected to an outer gear ring of the planetary gear, and the bottom of the driven shaft is fixedly connected to the center of the top of the supporting plate.

The invention provides a soil sampling device and method for detecting roadbed compactness. The method has the following beneficial effects:

(1) this roadbed compactness detects uses device and method of fetching earth, through the broken soil point sword that sets up, can be easily get into the soil layer, cut sample soil, the roadbed has been rolled by the road roller many times when having solved the test hole and excavating, roadbed intensity is higher, above-mentioned device is for artifical rotation turning handle when excavating the test hole so that the sampling tube gets into in the roadbed, so not only cause intensity of labour very big, and cause backup pad and supporting leg to take place the problem of rocking because of the sampling tube is difficult to get into in the higher roadbed of intensity easily.

(2) According to the soil sampling device and method for detecting the roadbed compactness, the two side soil breaking sharp knives are pushed to be attached at an angle of 70-75 degrees through the matched work of the fixing column, the limiting washer, the electric push rod and the support ring, so that the soil layer is prevented from being broken, the sample soil is conveniently taken out after cutting, and convenience is brought to use.

(3) The soil sampling device and the soil sampling method for detecting the compaction degree of the roadbed achieve the effect of rotating the supporting plate through the matching work of the arranged sealing box, the bearing, the motor, the rotating shaft, the planetary gear, the driven shaft and the wiring sleeve, so that the soil breaking sharp knife finishes the cutting of sample soil, the problem that the roadbed is repeatedly rolled by a road roller when a test hole is excavated, the roadbed strength is high, and the device manually rotates the rotating handle to enable the sampling cylinder to enter the roadbed when the test hole is excavated, so that the labor intensity is very high is solved.

(4) The soil sampling device and the soil sampling method for detecting the roadbed compactness achieve the effect of connecting and supporting the supporting plate through the matching work of the arranged annular rotating groove, the annular moving groove, the supporting plate, the sliding block and the connecting rod, and provide a solid foundation for the use of the soil breaking sharp knife.

(5) The device and the method for taking out the soil for detecting the roadbed compactness have the advantages that through the matching work of the arranged fixing feet, the bearing plate and the fixing holes, after the soil breaking sharp knife breaks the soil and takes out the sample soil, the bearing plate is prevented from being in place, support is provided for further sand leakage measurement, and the practicability of the device and the method for taking out the soil for detecting the roadbed compactness is enhanced.

Drawings

FIG. 1 is a schematic structural view in elevation of the present invention;

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

fig. 3 is an enlarged view of the invention at B in fig. 1.

In the figure: the device comprises a bearing box 1, a fixing foot 2, a bearing plate 3, an annular rotating groove 4, an annular moving groove 5, a supporting plate 6, a sliding block 7, a fixed column 91, a limit washer 92, an electric push rod 93, a supporting ring 94, a ground breaking sharp knife 95, a sealing box 101, a bearing 102, a motor 103, a rotating shaft 104, a planetary gear 105, a driven shaft 106, a wiring sleeve 107, a fixing hole 11 and a through hole 12.

Detailed Description