CN220521285U - Soil subgrade compactness check out test set for road - Google Patents

Abstract

The utility model provides a soil subgrade compactness detection device for a road, which comprises the following components: the U-shaped plate comprises a rolling chassis, a U-shaped plate, a pushing device, an impact detection part, a detection positioning device and a detection hole; the U-shaped plate back-off is installed on the rolling chassis, the pushing device is installed on the U-shaped plate and the rolling chassis, the impact detection part is arranged on the pushing device and the U-shaped plate, the two groups of detection positioning devices are respectively installed at two ends of the rolling chassis, the detection holes penetrate through and are formed in the middle position of the rolling chassis, the road soil roadbed compactness detection equipment can impact roadbed in a reciprocating manner through the impact detection part, so that the compactness of the roadbed is detected, and meanwhile, the impact detection part can be turned over to switch back and forth between detection ends of two different forms, so that the roadbed with different soil textures can be detected.

Description

Soil subgrade compactness check out test set for road

Technical Field

The utility model relates to the technical field of roadbed detection, in particular to a soil roadbed compactness detection device for a road.

Background

The roadbed is a foundation of a track or a road surface and is a geotechnical structure formed by excavation or filling. The roadbed has the main functions of providing necessary conditions for track or road surface paving and train or driving operation, bearing static load and dynamic load of track and rolling stock or road surface and traffic load, and simultaneously transmitting and diffusing the load to the deep part of the foundation.

The compactness of the roadbed is one of key indexes for detecting the construction quality of the roadbed and the road surface, and represents the density condition after site compaction, and the higher the compactness is, the higher the density is, and the better the overall performance of the material is. Only if the roadbed and pavement structure layer is fully compacted, the strength, the rigidity and the pavement evenness of the roadbed and pavement can be ensured, the service lives of roadbed and pavement engineering can be ensured and prolonged, the existing roadbed compaction degree in China adopts a compaction detection mode with a dry density ratio, and currently, the mainly adopted detection methods are a ring knife method and a sand filling method, which are destructive detection methods, but the two traditional detection methods have defects:

1. the ring cutter method is limited by soil quality, and for coarse particle filling of coarse-grained soil, broken stone soil and the like, as the filler particles are large, a sample body in a regular shape cannot be taken out by using a ring cutter, so that the ring cutter method is only suitable for fine-grained soil, and the ring cutter method is used for detecting that errors exist in the surface finishing and soil sample weighing processes due to small volume of the ring cutter, so that the relative difference is large.

2. The sand casting method is not suitable for compaction detection with large holes or large pores. The sand filling method is complex in operation, the sand filling method needs to carry a large amount of sand, the weighing times are large, and a plurality of contents need to be calibrated before measurement, so that time and labor are consumed, and the efficiency is low.

Disclosure of Invention

The utility model aims to provide a soil subgrade compactness detection device for a road, so as to solve the problems.

In order to achieve the above object, an embodiment of the present utility model provides an apparatus for detecting compactness of a soil subgrade for a road, comprising: the U-shaped plate comprises a rolling chassis, a U-shaped plate, a pushing device, an impact detection part, a detection positioning device and a detection hole;

the U-shaped plate is reversely buckled on the rolling chassis, the pushing device is arranged on the U-shaped plate and the rolling chassis, the impact detection part is arranged on the pushing device and the U-shaped plate, the two groups of detection positioning devices are respectively arranged at two ends of the rolling chassis, and the detection holes penetrate through and are formed in the middle position of the rolling chassis.

Further, the impact detection part comprises a square through groove, an impact cylinder, an arc plate, a main body frame plate, a side contact plate, a cylindrical head, a mounting strip, a first stay and an impact plate;

the square through groove is formed in the U-shaped plate, the impact cylinder is mounted on the pushing device, the tail of the impact cylinder is located in the square through groove, the main body frame plate is connected to the output end of the impact cylinder, the two arc plates are mounted on the main body frame plate in a mirror image mode and connected to the output end of the impact cylinder, the two side contact plates are mounted at two ends of the bottom surface of the main body frame plate respectively, the two cylindrical heads are mounted on the inner side surfaces of the two side contact plates in a rotating mode respectively, two ends of the mounting strip are connected to the two cylindrical heads, a plurality of first support strips are connected to the bottom surface of the mounting strip at equal intervals, and the impact plate is connected with a plurality of first support strips;

the impingement plate is directly above the detection aperture.

Further, the impact detection part further comprises a second stay, a dielectric plate, an impact thin column, a locking hole and a locking bolt;

the top surface of installing the strip is installed to a plurality of second stay equidistant, the dielectric slab is connected with a plurality of second stay, a plurality of strike thin column array is installed on the dielectric slab, two the locking hole sets up respectively a plurality of first stay and a plurality of on the second stay, the laminating of locking bolt sets up a plurality of in the locking hole on the second stay and run through two the side touch panel.

Further, the pushing device comprises a vertical rod, pushing double-lug plates, an electric cylinder and a stair block;

one end of the vertical rod is arranged on the rolling chassis, the other end of the vertical rod is arranged on the U-shaped plate, one end of the pushing double-lug plate is sleeved on the vertical rod, the electric cylinder is inversely arranged on the U-shaped plate, the bench block is connected to the output end of the electric cylinder, and the bench block is arranged at the other end of the pushing double-lug plate;

the impact cylinder is mounted on the pushing double-lug plate.

Further, the detection positioning device comprises a corner extending plate, a rotary sleeve, a screw rod and a spike head;

the corner extending plate is arranged at one end of the rolling chassis, the rotary sleeve is arranged on the corner extending plate, the screw rod is spirally arranged on the rotary sleeve and spirally penetrates through the corner extending plate, and the spike head is connected to the tail end of the screw rod.

Further, the impact detection section further includes a sign line;

the marking lines are respectively engraved on the impact plate and the impact thin columns at equal intervals.

Further, the first and second stays are H-shaped.

Compared with the prior art, the embodiment of the utility model has the following beneficial effects:

1. the compaction degree detection equipment for the soil roadbed for the road can impact the roadbed in a reciprocating manner through the impact detection part, so that the compaction degree of the roadbed is detected, meanwhile, the impact detection part can be turned over to switch back and forth between two detection ends in different forms, and further, the roadbed with different soil textures can be detected;

2. the road soil subgrade compactness detection device can push down the impact detection part to a proper detection position through the pushing device, and can continuously push down the impact detection part when detection is performed, so that the impact force is enhanced, the detection effect is further improved, and the device can be suitable for use under higher detection standards;

3. the soil roadbed compactness detection equipment for the road can drill into the roadbed through the detection positioning device, so that the rolling chassis is fixed, and further the detection precision and the detection effect are not affected;

4. the soil roadbed compactness detection device for the road is convenient to carry, easy and convenient to operate, high in compatibility, efficient and quick in detection, time-saving and labor-saving.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 shows a perspective view of the present utility model;

FIG. 2 shows a right side view of the present utility model;

FIG. 3 shows a partial perspective view of the present utility model;

fig. 4 shows a partial front view of the present utility model.

In the figure

1. A rolling chassis; 2. a "U" shaped plate;

3. a pushing device; 31. a vertical rod; 32. pushing the double ear plates; 33. an electric cylinder; 34. a landing block;

4. an impact detection unit; 40. square through groove; 41. an impact cylinder; 42. an arc plate; 43. a main body frame plate; 44. a side contact plate; 45. cylindrical heads; 46. a mounting bar; 47. a first stay; 48. an impingement plate; 49. a second stay; 491. a dielectric plate; 492. impact the thin column; 493. a locking hole; 495. a locking bolt; 496. a marking line;

5. detecting a positioning device; 51. corner extending plates; 52. a rotary sleeve; 53. a screw; 54. a spike head;

6. and (5) detecting the hole.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.

Referring to fig. 1, fig. 1 shows a perspective view of the present utility model; referring to fig. 2, fig. 2 shows a right side view of the present utility model; referring to fig. 3, fig. 3 shows a partial perspective view of the present utility model; referring to fig. 4, fig. 4 shows a partial front view of the present utility model; as shown in fig. 1 to 4, an apparatus for detecting compactness of an earth subgrade for a road, comprising: a rolling chassis 1, a U-shaped plate 2, a pushing device 3, an impact detection part 4, a detection positioning device 5 and a detection hole 6;

the utility model provides a road is used to high-accuracy and high-speed road, including rolling chassis 1, pass device 2, pass device 3 and pass device 4, pass device 3 with pass device 4 sets up pass device 3 with pass device 2 is last, two sets of detect positioner 5 is installed respectively rolling chassis 1's both ends, detection hole 6 runs through and sets up rolling chassis 1's centre position, install the gyro wheel on the rolling chassis 1 to make the carrying and transferring of this equipment more convenient, can promote the change detection place more easily, this road is with soil roadbed compactness check out equipment can reciprocal impact roadbed through impact detection portion 4, thereby detect the compactness of roadbed, and simultaneously impact detection portion 4 can overturn thereby make a round trip between the detection end of two different forms, and then can detect the roadbed of different soil qualities, can push down impact detection portion 4 to suitable testing position through pass device 3, can push down impact detection portion 4 when detecting and go on, thereby can carry out the impact enhancement portion under the impact enhancement device, thereby can not carry out the high-speed, thereby the high-speed road is used to carry the impact detection device, and can be more convenient and high-efficient and high-speed road is used to guarantee the high-speed, and high-accuracy and high-speed road is used to carry the impact detection device, thereby can be used to detect the compactness is high in the road, and the high-speed is used to detect.

Alternatively, the impact detecting part 4 includes a square through groove 40, an impact cylinder 41, an arc plate 42, a main body frame plate 43, a side contact plate 44, a cylindrical head 45, a mounting bar 46, a first stay 47, and an impact plate 48;

the square through groove 40 is formed in the U-shaped plate 2, the impact cylinder 41 is mounted on the pushing device 3, the tail of the impact cylinder 41 is located in the square through groove 40, the main body frame plate 43 is connected to the output end of the impact cylinder 41, the two arc plates 42 are mirror-image mounted on the main body frame plate 43 and connected to the output end of the impact cylinder 41, the two side contact plates 44 are respectively mounted at two ends of the bottom surface of the main body frame plate 43, the two cylinder heads 45 are respectively rotatably mounted at the inner side surfaces of the two side contact plates 44, two ends of the mounting strip 46 are connected to the two cylinder heads 45, a plurality of first support strips 47 are equally spaced and connected to the bottom surface of the mounting strip 46, and the impact plate 48 is connected with a plurality of first support strips 47;

the impact plate 48 is located right above the detection hole 6, the impact cylinder 41 is a special function cylinder with strong impact force, high speed and small air consumption, after the equipment is moved to a place to be detected, the impact cylinder 41 is driven, the impact cylinder 41 drives a part below the output end of the equipment to move, so that the impact plate 48 passes through the detection hole 6 and impacts the roadbed below in a reciprocating manner with strong impact force, and the compactness is detected according to the condition of impact beating.

Optionally, the impact detecting portion 4 further includes a second stay 49, a dielectric plate 491, an impact post 492, a locking hole 493, and a locking bolt 495;

the second stays 49 are installed at equal intervals on the top surface of the mounting strip 46, the medium plate 491 is connected with the second stays 49, the impact thin columns 492 are installed on the medium plate 491 in an array mode, the two locking holes 493 are respectively formed in the first stays 47 and the second stays 49, the locking bolts 495 are attached to the second stays 49, the locking holes 493 are formed in the second stays 49, penetrate through the two side contact plates 44, the impact plate 48 and the medium plate 491 are locked at the current positions, the impact plate 48 and the medium plate 491 are prevented from rotating through the cylindrical head 45 and the mounting strip 46 to influence detection, when the soil quality to be detected changes, namely coarse particles such as coarse-grained soil and crushed stone soil are changed from being changed into the soil quality of the coarse-grained soil, the impact plate 48 and the medium plate 491 are pulled out and rotated, the locking bolts 495 are inserted into the locking holes 493 in the first stays to lock the impact plate 48 and the medium plate 493, the impact plate 48 and the coarse-grained soil plate is driven to have the impact plate 492 to be more convenient to detect the coarse-grained soil quality, the impact plate 492 is enabled to be more compatible with the soil quality of the roadbed, the coarse-grained soil is enabled to be more convenient to detect than the coarse-grained soil, the coarse-grained soil is enabled to have the impact plate 492 and the impact force is more than the coarse-grained soil is enabled to have the impact plate 492 to have the same with the coarse-grained soil quality, and the coarse-grained soil is more than the coarse-grained soil is detected by the coarse-grained soil, and the coarse-grained soil is detected by the coarse-grained soil is changed into the coarse-grained soil, and the coarse-grained soil is detected, and the coarse-grained soil is more coarse-grained soil is detected.

Optionally, the pushing device 3 comprises a vertical rod 31, a pushing double-lug plate 32, an electric cylinder 33 and a stair block 34;

one end of the vertical rod 31 is arranged on the rolling chassis 1, the other end of the vertical rod 31 is arranged on the U-shaped plate 2, one end of the pushing double-lug plate 32 is sleeved on the vertical rod 31, the electric cylinder 33 is inversely arranged on the U-shaped plate 2, the bench block 34 is connected with the output end of the electric cylinder 33, and the bench block 34 is arranged at the other end of the pushing double-lug plate 32;

the impact cylinder 41 is mounted on the pushing double-lug plate 32, so that the pushing double-lug plate 32 can be pushed downwards on the vertical rod 31 after the driving cylinder 33 is ensured, the impact detection part 4 is pushed to a proper height for detecting the roadbed to start detection, and meanwhile, the impact detection part 4 can be pushed downwards continuously while detecting, so that the impact force is increased, and the equipment can be used under a higher detection standard.

Optionally, the detecting and positioning device 5 includes a corner extending plate 51, a rotating sleeve 52, a screw 53 and a spike 54;

the corner extending plate 51 is arranged at one end of the rolling chassis 1, the rotating sleeve 52 is arranged on the corner extending plate 51, the screw rod 53 is spirally arranged on the rotating sleeve 52 and spirally penetrates through the corner extending plate 51, the spike head 54 is connected to the tail end of the screw rod 53, and the screw rod 53 is spirally rotated downwards until the spike head 54 is inserted into a roadbed, so that the rolling chassis 1 is fixed at the current detection position through the two groups of detection positioning devices 5, and the rolling sliding of the rolling chassis 1 in the detection process is prevented from being influenced.

Optionally, the impact detecting part 4 further includes an identification line 496;

the plurality of marking lines 496 are respectively engraved on the impact plate 48 and the plurality of impact thin columns 492 at equal intervals, so that the compactness is deduced according to the degree of the plurality of marking lines 496 entering the roadbed under impact beating, and further, a worker can observe the detection effect more intuitively.

Optionally, the first stays 47 and the second stays 49 are H-shaped, so that the cross-sectional area distribution of the H-shaped stays is more optimized, the strength-to-weight ratio is more reasonable, and the bending resistance is strong, thereby preventing the stays from bending or breaking under strong impact force, and further improving the rigidity of the impact detection part 4.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. An earth subgrade compactness detection device for a road, comprising: a rolling chassis (1), a U-shaped plate (2), a pushing device (3), an impact detection part (4), a detection positioning device (5) and a detection hole (6);

the U-shaped plate (2) is reversely buckled on the rolling chassis (1), the pushing device (3) is arranged on the U-shaped plate (2) and the rolling chassis (1), the impact detection part (4) is arranged on the pushing device (3) and the U-shaped plate (2), the two groups of detection positioning devices (5) are respectively arranged at two ends of the rolling chassis (1), and the detection holes (6) penetrate through and are formed in the middle position of the rolling chassis (1).

2. A soil subgrade compactness detecting device for road as claimed in claim 1, characterized in that,

the impact detection part (4) comprises a square through groove (40), an impact cylinder (41), an arc plate (42), a main body frame plate (43), a side contact plate (44), a cylindrical head (45), a mounting strip (46), a first stay (47) and an impact plate (48);

the square through groove (40) is formed in the U-shaped plate (2), the impact cylinder (41) is mounted on the pushing device (3), the tail part of the impact cylinder (41) is positioned in the square through groove (40), the main body frame plate (43) is connected to the output end of the impact cylinder (41), the two arc plates (42) are mirror images mounted on the main body frame plate (43) and connected to the output end of the impact cylinder (41), the two side contact plates (44) are respectively mounted at two ends of the bottom surface of the main body frame plate (43), the two cylinder heads (45) are respectively rotatably mounted on the inner side surfaces of the two side contact plates (44), two ends of the mounting strip (46) are connected to the two cylinder heads (45), the first support strips (47) are connected to the bottom surface of the mounting strip (46) at equal intervals, and the impact plates (48) are connected with the first support strips (47);

the impingement plate (48) is located directly above the detection aperture (6).

3. A soil subgrade compactness detecting device for road as claimed in claim 2, characterized in that,

the impact detection part (4) further comprises a second stay (49), a dielectric plate (491), an impact thin column (492), a locking hole (493) and a locking bolt (495);

a plurality of second stay (49) equidistant are installed the top surface of installation strip (46), dielectric slab (491) is connected with a plurality of second stay (49), a plurality of strike thin column (492) array is installed on dielectric slab (491), two locking hole (493) set up respectively on a plurality of first stay (47) and a plurality of second stay (49), locking bolt (495) laminating set up on a plurality of second stay (49) in locking hole (493) and run through two side touch panel (44).

4. A soil subgrade compactness detecting device for road as claimed in claim 3, characterized in that,

the pushing device (3) comprises a vertical rod (31), a pushing double-lug plate (32), an electric cylinder (33) and a stair block (34);

one end of the vertical rod (31) is arranged on the rolling chassis (1), the other end of the vertical rod (31) is arranged on the U-shaped plate (2), one end of the pushing double-lug plate (32) is sleeved on the vertical rod (31), the electric cylinder (33) is inversely arranged on the U-shaped plate (2), the bench block (34) is connected to the output end of the electric cylinder (33), and the bench block (34) is arranged at the other end of the pushing double-lug plate (32);

the impact cylinder (41) is mounted on the pusher binaural plate (32).

5. A road soil bed compactness detecting device as claimed in claim 4, wherein,

the detecting and positioning device (5) comprises a corner extending plate (51), a rotary sleeve (52), a screw (53) and a spike head (54);

the corner extending plate (51) is arranged at one end of the rolling chassis (1), the rotary sleeve (52) is arranged on the corner extending plate (51), the screw rod (53) is spirally arranged on the rotary sleeve (52) and spirally penetrates through the corner extending plate (51), and the spike head (54) is connected to the tail end of the screw rod (53).

6. A soil subgrade compactness detecting device for road as claimed in claim 5, characterized in that,

the impact detection part (4) further comprises an identification line (496);

a plurality of marking lines (496) are respectively engraved on the impact plate (48) and the impact thin columns (492) at equal intervals.

7. A soil subgrade compactness detecting device for road as claimed in claim 6, characterized in that,

the first stays (47) and the second stays (49) are H-shaped.