CN210269228U

CN210269228U - Pavement compactness sampling device

Info

Publication number: CN210269228U
Application number: CN201921248373.5U
Authority: CN
Inventors: 王义晓
Original assignee: Hebei Zhengxiang Municipal Engineering Co Ltd
Current assignee: Hebei Zhengxiang Municipal Engineering Co Ltd
Priority date: 2019-08-03
Filing date: 2019-08-03
Publication date: 2020-04-07
Anticipated expiration: 2029-08-03

Abstract

The utility model relates to a road surface compactness sampling device belongs to road construction quality check out test set, the on-line screen storage device comprises a base, the mounting panel, the pillar, mounting panel center department rotates and is connected with the connecting sleeve, the axis of connecting sleeve sets up along the direction of height, the connecting sleeve endotheca is equipped with the axis of rotation rather than sliding the connection, the bottom of axis of rotation has the sampler barrel in the below demountable installation of mounting panel, the sampler barrel is bottom opening and hollow cylinder size setting, the axis of sampler barrel and the axis coincidence of axis of rotation, the top of axis of rotation is provided with the pressure disk, be provided with the handle between pressure disk and the axis of rotation. This road surface compactness sampling device, the sample tube spiral downstream under the effect of pressure disk and handle has reduced the impact force between road bed layer and the sample tube, has reduced the core appearance and has appeared cracked condition and take place, has increased the life of sample tube moreover, has improved stability and the practicality that sampling device used.

Description

Pavement compactness sampling device

Technical Field

The utility model relates to a road construction quality check out test set, in particular to road surface compactness sampling device.

Background

In the road construction process, the compaction quality of the road base layer pavement is one of the most important internal indexes for the road engineering construction quality management, and the strength, rigidity, stability and flatness of the road base layer pavement can be ensured only by fully compacting the road base layer and the pavement structure layer, so that the service life of the road base layer pavement is prolonged. The field compaction quality of the road base layer pavement is represented by the compaction degree, and the process of measuring the compaction degree of the road base layer pavement at the present stage mainly comprises the steps of taking a section of cylindrical core sample from the road base layer pavement and then detecting the core sample. In the core sample taking process, the core sample is generally manually taken by using a shovel digging mode, so that the sampling efficiency is low, the shape of the taken core sample is irregular, the core sample must be trimmed, and the operation difficulty is increased.

At present, the patent document with the publication number of grant CN209102428U discloses a building compactness sampling device for ground, including the supporting seat, set up in supporting seat stabilizer blade all around, the sliding hole has been run through at the middle part of supporting seat, sliding connection has the slide bar in the sliding hole, the upper end of slide bar is provided with the footboard, the lower extreme of slide bar is provided with the sampler barrel.

This kind of compactness sampling device for building foundation digs the sample with driven artifical handheld spade and compares, samples through the sampling tube that sets up fixed specification, makes the core appearance shape of digging at every turn more regular, but its mode through stepping on the footboard makes the vertical downwards insertion way basic unit of sampling tube, and is not only hard, and way basic unit receives great impact force, and the core appearance cracks very easily, influences the testing result, and the sampling tube also damages easily moreover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a road surface compactness sampling device, the sampler barrel spiral downstream under the effect of pressure disk and handle has reduced the impact force between road bed layer and the sampler barrel, has reduced the core appearance and has appeared cracked condition and take place, has increased the life of sampler barrel moreover, has improved stability and the practicality that sampling device used.

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

the utility model provides a road surface compactness sampling device, includes that the level setting is equipped with the open-ended base subaerial and center, is located the base top and with the parallel mounting panel of base, sets up the pillar between mounting panel and base, mounting panel center department cover is equipped with rather than the connecting sleeve of rotating to be connected, the axis of connecting sleeve sets up along the direction of height, the connecting sleeve endotheca is equipped with the axis of rotation of sliding rather than being connected, the axis of rotation drives the connecting sleeve and rotates in step, the bottom of axis of rotation is demountable installation in the below of mounting panel has the sampler barrel, the sampler barrel is bottom opening and hollow cylinder size setting, the axis of sampler barrel and the axis coincidence of axis of rotation, the top of axis of rotation is provided with the pressure disk, be provided with the handle between pressure disk and.

Through adopting above-mentioned technical scheme, place the base back on the roadbed layer, operating personnel one hand presses the pressure disk, and the other hand makes the axis of rotation rotate through the handle, and at this moment, the sampler barrel spiral downstream under the effect of pressure disk and handle has reduced the impact force between roadbed layer and the sampler barrel, has reduced the cracked condition emergence of core appearance, has increased the life of sampler barrel moreover, has improved stability and the practicality that sampling device used.

The utility model discloses further set up to: and a cutting edge is arranged on the side wall of the bottom end of the sampling cylinder.

Through adopting above-mentioned technical scheme, the cutting edge can rotate along with the sampling tube simultaneously, and the sampling tube of being convenient for has increased the life of sampling tube in deepening the road bed layer.

The utility model discloses further set up to: and the top wall of the sampling cylinder is provided with an air hole.

Through adopting above-mentioned technical scheme, the bleeder vent makes things convenient for the air escape in the sampling tube when the sampling tube downstream, and is more smooth and easy when making the sampling tube downstream.

The utility model discloses further set up to: the outer peripheral face of axis of rotation has set firmly the gag lever post, the gag lever post sets up along axis of rotation length direction, the spacing recess with gag lever post looks adaptation is seted up to the adapter sleeve inside wall.

Through adopting above-mentioned technical scheme, the axis of rotation drives connecting sleeve synchronous rotation under the effect of gag lever post, and the gag lever post plays spacing effect to the axis of rotation, makes the motion of axis of rotation more stable.

The utility model discloses further set up to: the roof of sampler barrel has seted up the square hole, the square hole sets up along direction of height, the bottom of axis of rotation sets firmly the connecting axle with square hole looks adaptation, just the connecting axle is for having magnetic connecting axle, the connecting axle inserts in the square hole and can dismantle rather than being connected.

Through adopting above-mentioned technical scheme, but connecting axle and square hole transmission torque make the sampler barrel rotate along with the axis of rotation simultaneously, because the connecting axle has magnetism, and can dismantle the connection through magnetism and the sampler barrel that the connecting axle has, make the connection of axis of rotation and sampler barrel more convenient.

The utility model discloses further set up to: be provided with adjusting part between stand and the base, be provided with at least three level pearl on the mounting panel.

Through adopting above-mentioned technical scheme, observe the level pearl on the mounting panel and judge whether the mounting panel is in the horizontality to finely tune the mounting panel through adjusting part, make the mounting panel be in the horizontality, thereby make the sampling tube stretch into the road bed in situ perpendicularly, improved the accuracy of core appearance testing result.

The utility model discloses further set up to: the adjusting component comprises a screw rod fixedly arranged at the bottom end of the upright post and along the height direction, an adjusting sleeve sleeved on the outer peripheral surface of the screw rod and in threaded connection with the screw rod, a rotating shaft is fixedly arranged at the bottom end of the adjusting sleeve, and the rotating shaft is rotatably connected with the base.

Through adopting above-mentioned technical scheme, rotate adjusting sleeve, adjusting sleeve drives the screw rod and removes along the direction of height to realize the adjustment of mounting panel.

The utility model discloses further set up to: the handle includes with axis of rotation top fixed connection and rather than the first pole of axis coincidence, parallel and the second pole that is located first pole top with first pole, set firmly at first pole top and second pole bottom and along the head rod of horizontal direction, set firmly at second pole top and the second connecting rod parallel with the head rod, the top of second connecting rod sets firmly the third pole with first pole axis coincidence, the top and the pressure disk rotation of third pole are connected.

Through adopting above-mentioned technical scheme, after operating personnel held the second round bar with the hand, made the second round bar rotate around the axis of first round bar to make first round bar drive the axis of rotation and rotate, both easy operation is laborsaving again.

The utility model discloses further set up to: the base is provided with at least two stabilizing components in the opening, and the sampling tube is positioned among the stabilizing components.

Through adopting above-mentioned technical scheme, the subassembly that stabilizes makes the sampler barrel perpendicular downstream, has improved the stability of sampler barrel motion.

The utility model discloses further set up to: the stabilizing assembly comprises a supporting block fixedly arranged at the opening of the base, two supporting rods fixedly arranged at intervals at one end of the supporting block far away from the side wall of the opening, a pulley is rotatably connected at one end of the supporting rod far away from the supporting block, the axis of the pulley is parallel to the axis of the sampling cylinder, and the peripheral surface of the pulley is in contact with the peripheral surface of the sampling cylinder.

Through adopting above-mentioned technical scheme, the sampler barrel contacts with the pulley, and the pulley provides the holding power for the sampler barrel to play spacing effect to the sampler barrel.

To sum up, the utility model discloses following beneficial effect has:

1. the utility model discloses a road surface compactness sampling device, the sampler barrel spiral downstream under the effect of pressure disk and handle has reduced the impact force between road bed layer and the sampler barrel, has reduced the core appearance and has appeared cracked condition and take place, has increased the life of sampler barrel moreover, has improved stability and the practicality that sampling device used.

2. The sampling cylinder is provided with a blade, so that the sampling cylinder can conveniently go deep into the roadbed layer, and the sampling cylinder is provided with a vent hole which can discharge air in the sampling cylinder when the sampling cylinder moves downwards, so that the sampling cylinder moves downwards more smoothly.

3. Through mutually supporting of level pearl and adjusting part, make the mounting panel be in the horizontality to make the sampler barrel stretch into the road bed in situ perpendicularly, improved the accuracy of core appearance testing result, set up firm subassembly on the base, firm subassembly makes the vertical downstream of sampler barrel, has improved the stability of sampler barrel motion.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

FIG. 2 is a partial sectional view for showing a connection relationship between a rotary shaft and an extraction cylinder;

FIG. 3 is a schematic view of the construction of the sampling tube;

figure 4 is a schematic view showing the structure of the stabilizing assembly.

In the figure, 1, a base; 11. mounting a plate; 12. a column; 13. an adjustment assembly; 131. a screw; 132. an adjustment sleeve; 133. a rotating shaft; 2. a leveling bead; 3. a connecting sleeve; 4. a rotating shaft; 41. a connecting shaft; 42. a limiting rod; 5. a sampling tube; 51. a square hole; 52. a blade; 53. air holes are formed; 6. a handle; 61. a first round bar; 62. a second round bar; 63. a first connecting rod; 64. a second connecting rod; 65. a third round bar; 7. a platen; 8. a stabilizing assembly; 81. a support block; 82. a support bar; 83. a through groove; 84. a pulley.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

A pavement compaction degree sampling device is shown in figures 1 and 2 and comprises a base 1 and a mounting plate 11, wherein the base 1 is a regular triangle plate, an opening is formed in the center of the base 1, and the opening is in a regular triangle shape. The mounting panel 11 sets up to the regular triangle board of the same size with base 1, and mounting panel 11 and base 1 parallel arrangement are provided with three stand 12 between mounting panel 11 and the base 1, and the top of three stand 12 sets firmly respectively at the three extreme angle department of mounting panel 11 bottom surface, are provided with adjusting part 13 between the bottom of three stand 12 and the base 1 respectively, and adjusting part 13's quantity is three promptly, and stand 12 passes through adjusting part 13 and is connected with base 1. The top surface of mounting panel 11 is provided with three level pearl 2, and three level pearl 2 and the three lateral wall one-to-one of mounting panel 11 just are parallel with it.

As shown in fig. 2, the adjusting assembly 13 includes a screw 131 and an adjusting sleeve 132, the axis of the screw 131 coincides with the axis of the upright 12, and the top end of the screw 131 is fixedly connected to the bottom end of the upright 12. The adjusting sleeve 132 is sleeved on the outer peripheral surface of the screw 131 and is in threaded connection with the screw 131, and anti-slip threads are arranged on the outer peripheral surface of the adjusting sleeve 132 and increase the friction force on the outer peripheral surface of the adjusting sleeve 132. The bottom surface of the adjusting sleeve 132 is fixedly provided with a rotating shaft 133, and the bottom end of the rotating shaft 133 passes through the base 1 and is rotatably connected with the base 1, so that the adjusting sleeve 132 can rotate above the base 1.

As shown in fig. 2, a through hole is formed in the center of the mounting plate 11, the axis of the through hole is arranged along the height direction, the connecting sleeve 3 is rotatably connected in the through hole, and the axis of the connecting sleeve 3 coincides with the axis of the through hole, that is, the connecting sleeve 3 is rotatably connected with the mounting plate 11. Be provided with in the connecting sleeve 3 rather than the axis of rotation 4 of looks adaptation, the axis coincidence of the axis of rotation 4 and connecting sleeve 3 has set firmly six gag lever posts 42 on the outer peripheral face of axis of rotation 4, six gag lever posts 42 along the circumference evenly distributed of axis of rotation 4, and gag lever post 42 sets up along 4 length direction of axis of rotation. Six limiting grooves matched with the limiting rods 42 are formed in the connecting sleeve 3, the rotating shaft 4 penetrates through the connecting sleeve 3, and under the action of the limiting rods 42 and the limiting grooves, the rotating shaft 4 can move up and down along the axis of the connecting sleeve 3 while rotating.

As shown in fig. 2 and 3, the sampling tube 5 is detachably mounted at the bottom end of the rotating shaft 4 below the mounting plate 11, the sampling tube 5 is a hollow cylinder with an open bottom end, and the axis of the sampling tube 5 coincides with the axis of the rotating shaft 4. The bottom of axis of rotation 4 sets firmly has connecting axle 41, and the cross section of connecting axle 41 is square setting, and the axis of connecting axle 41 and the axis coincidence of axis of rotation 4, and connecting axle 41 self have magnetism, and the top surface of sampler barrel 5 is seted up the square hole 51 with connecting axle 41 looks adaptation, and connecting axle 41 is arranged in square hole 51 and leans on self magnetism to dismantle with sampler barrel 5 and is connected. The bottom of the sampling tube 5 is fixedly provided with three blades 52 which are convenient for the sampling tube 5 to go deep into the roadbed layer, and the three blades 52 are uniformly distributed along the circumferential direction of the sampling tube 5. Two air holes 53 are formed in the top wall of the sampling tube 5, and the axes of the air holes 53 are parallel to the axis of the sampling tube 5.

As shown in fig. 1, a handle 6 is disposed on the top end of the rotating shaft 4 above the mounting plate 11, the handle 6 includes a first round rod 61 and a second round rod 62, the axis of the first round rod 61 coincides with the axis of the rotating shaft 4, and the bottom end of the first round rod 61 is fixedly connected with the top end of the rotating shaft 4. Second pole 62 is parallel with first pole 61 and is located the top of first pole 61, has set firmly head rod 63 between the bottom of second pole 62 and the top of first pole 61, head rod 63 sets up along the horizontal direction, the top of second pole 62 has set firmly the second connecting rod 64 parallel with head rod 63, the one end that second pole 62 was kept away from to second connecting rod 64 has set firmly third pole 65, the axis of third pole 65 and the coincidence of the axis of first pole 61. One end of the third round rod 65, which is far away from the second connecting rod 64, is provided with a pressure plate 7, the axis of the pressure plate 7 coincides with the axis of the third round rod 65, and the pressure plate 7 is rotatably connected with the top end of the third round rod 65.

As shown in fig. 1 and 4, the three inner side walls of the opening of the base 1 are respectively provided with three stabilizing assemblies 8, that is, the number of the stabilizing assemblies 8 is three, the sampling tube 5 is located between the three stabilizing assemblies 8, and the stabilizing assemblies 8 are used for keeping the sampling tube 5 vertical in the downward movement process. The stabilizing component 8 comprises a supporting block 81 and two supporting rods 82, the supporting block 81 is fixedly arranged on the inner side wall of the opening of the base 1, the two supporting rods 82 are fixedly arranged on the side wall, close to the sampling cylinder 5, of the supporting block 81 at intervals, a mounting groove is formed in one end, close to the sampling cylinder 5, of the supporting rod 82, a pulley 84 is rotatably connected in the through groove 83, the axis of the pulley 84 is parallel to the axis of the sampling cylinder 5, and the peripheral surface of the pulley 84 is abutted to the peripheral surface of the sampling cylinder 5.

Place sampling device back on the roadbed layer, observe three level pearl 2 on the mounting panel 11, adjust mounting panel 11 through three adjusting sleeve 132, make mounting panel 11 be in the horizontality, the bottom and the roadbed layer surface of sampler barrel 5 are inconsistent this moment, operating personnel's one hand down presses pressure dish 7, another hand is held second round bar 62 and is made it rotate along axis of rotation 4, handle 6 drives axis of rotation 4 and connecting sleeve 3 and rotates simultaneously, axis of rotation 4 moves down under pressure dish 7's effect, axis of rotation 4 drives sampler barrel 5 spiral downstream, thereby make sampler barrel 5 stretch into the roadbed in situ and take a sample. When the sampling tube 5 reaches the designated position, the handle 6 is directly pulled to lift the sampling tube 5, and then the core sample can be taken out.

When using sampling device, spiral downstream under pressure disk 7 and handle 6's effect of sampler barrel 5 has reduced the impact force between road bed layer and the sampler barrel 5, has reduced the cracked condition emergence of core appearance, has increased the life of sampler barrel 5 moreover, has improved stability and the practicality that sampling device used.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a road surface compactness sampling device which characterized in that: comprises a base (1) which is horizontally arranged on the ground and is provided with an opening at the center, a mounting plate (11) which is positioned above the base (1) and is parallel to the base (1), a supporting column which is arranged between the mounting plate (11) and the base (1), a connecting sleeve (3) which is connected with the mounting plate in a rotating way is sleeved at the center of the mounting plate (11), the axis of the connecting sleeve (3) is arranged along the height direction, a rotating shaft (4) which is connected with the connecting sleeve in a sliding way is sleeved in the connecting sleeve (3), the rotating shaft (4) drives the connecting sleeve (3) to synchronously rotate, a sampling cylinder (5) is detachably arranged at the bottom end of the rotating shaft (4) below the mounting plate (11), the sampling cylinder (5) is provided with a bottom opening and a hollow cylindrical body shape, the axis of the sampling cylinder (5) is coincided with the axis of the rotating shaft (4), a pressure plate (7) is, a handle (6) is arranged between the pressure plate (7) and the rotating shaft (4).

2. The pavement compaction sampling apparatus of claim 1, wherein: and a knife edge (52) is arranged on the side wall of the bottom end of the sampling cylinder (5).

3. The pavement compaction sampling apparatus of claim 1, wherein: the top wall of the sampling tube (5) is provided with an air hole (53).

4. The pavement compaction sampling apparatus of claim 1, wherein: the outer peripheral face of axis of rotation (4) has set firmly gag lever post (42), gag lever post (42) set up along axis of rotation (4) length direction, the spacing recess with gag lever post (42) looks adaptation is seted up to connecting sleeve (3) inside wall.

5. The pavement compaction sampling apparatus of claim 1, wherein: square hole (51) have been seted up to the roof of sampling tube (5), direction of height sets up is followed in square hole (51), the bottom of axis of rotation (4) sets firmly connecting axle (41) with square hole (51) looks adaptation, just connecting axle (41) are for having magnetic connecting axle (41), connecting axle (41) insert in square hole (51) and rather than can dismantle and be connected.

6. The pavement compaction sampling apparatus of claim 1, wherein: be provided with between stand (12) and base (1) adjusting part (13), be provided with at least three level pearl (2) on mounting panel (11).

7. The pavement compaction sampling apparatus of claim 6, wherein: adjusting part (13) including set firmly screw rod (131), the cover of just following direction of height in stand (12) bottom and establishing screw rod (131) outer peripheral face and rather than threaded connection's adjusting sleeve (132), the bottom of adjusting sleeve (132) sets firmly rotation axis (133), rotation axis (133) and base (1) rotate the connection.

8. The pavement compaction sampling apparatus of claim 1, wherein: handle (6) include with axis of rotation (4) top fixed connection and rather than axis coincidence first round bar (61), parallel with first round bar (61) and be located second round bar (62) of first round bar (61) top, set firmly at first round bar (61) top and second round bar (62) bottom and along horizontal direction's head rod (63), set firmly at second round bar (62) top and with second connecting rod (64) that head rod (63) are parallel, the top of second connecting rod (64) sets firmly third round bar (65) with first round bar (61) axis coincidence, the top and pressure disk (7) of third round bar (65) are rotated and are connected.

9. The pavement compaction sampling apparatus of claim 1, wherein: the base (1) is provided with at least two stabilizing components (8) in the opening, and the sampling tube (5) is positioned among the stabilizing components (8).

10. The pavement compaction sampling apparatus of claim 9, wherein: the stabilizing component (8) comprises a supporting block (81) fixedly arranged at the opening of the base (1), and two supporting rods (82) fixedly arranged at intervals at one ends of the supporting block (81) far away from the side wall of the opening, wherein one ends of the supporting rods (82) far away from the supporting block (81) are rotatably connected with pulleys (84), the axis of the pulleys (84) is parallel to the axis of the sampling cylinder (5), and the peripheral surface of each pulley (84) is abutted to the peripheral surface of the sampling cylinder (5).