CN216205869U

CN216205869U - Engineering is managed and is used road surface thickness detection device

Info

Publication number: CN216205869U
Application number: CN202122089021.3U
Authority: CN
Inventors: 汪建新; 祁景彦; 李格军
Original assignee: China Virtue Beijing International Engineering Technology Co ltd
Current assignee: China Virtue Beijing International Engineering Technology Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-04-05
Anticipated expiration: 2031-08-31

Abstract

The utility model belongs to the technical field of highway quality detection equipment, and particularly relates to a pavement thickness detection device for engineering supervision, which has the technical scheme that the pavement thickness detection device comprises a support, a clamping mechanism and a measuring mechanism, wherein the clamping mechanism is installed on the support, the measuring mechanism is arranged on the support, the clamping mechanism comprises a sampling sleeve which is vertically and slidably connected onto the support and is used for embedding and sleeving a core sample, a plurality of groups of vertically arranged straight rod-shaped clamping jaws are arranged on the sampling sleeve, the middle parts of the clamping jaws are hinged to the lower edge of the outer wall of the sampling sleeve, and the lower ends of the clamping jaws are positioned below the sampling sleeve and can be rotatably close to the sampling sleeve; the sampling device is characterized in that a fastening sleeve is sleeved on the sampling sleeve, and the lower end of the fastening sleeve is inserted into a gap between the sampling sleeve and the upper end of the clamping jaw and abuts against the clamping jaw. The problem of the inconvenient clamp of experimenter gets the core appearance that awaits measuring in the road surface thickness detection has been solved to this application.

Description

Engineering is managed and is used road surface thickness detection device

Technical Field

The utility model belongs to the technical field of highway quality detection equipment, and particularly relates to a road surface thickness detection device for engineering supervision.

Background

After the road construction is finished, the pavement thickness of the road needs to be measured.

When the pavement thickness is measured, the concrete drilling and core-taking machine is started to drill holes on the pavement, and an experimenter usually uses the pincerlike clamp to clamp out the round bar-shaped core sample and then uses the measuring tape to measure the length of the core sample so as to obtain the pavement thickness data.

The technical scheme has the following defects: core appearance gomphosis is in the road surface, and the pincerlike anchor clamps that use when pressing from both sides the core appearance can only be through centre gripping core appearance outer peripheral face upper end edge take out the core appearance, and the too big damage that easily causes the core appearance of clamping-force, and the clamping-force easily makes the core appearance drop when less, and the core appearance is got to the measurement personnel clamp of being not convenient for of current pincerlike anchor clamps.

SUMMERY OF THE UTILITY MODEL

In order to get the core appearance that awaits measuring from the clamp in the road surface, this application provides a road surface thickness detection device for engineering supervision.

The application provides a road surface thickness detection device for engineering supervision adopts following technical scheme: a road surface thickness detection device for engineering supervision comprises a support, a clamping mechanism and a measuring mechanism, wherein the clamping mechanism is installed on the support, the measuring mechanism is arranged on the support, the clamping mechanism comprises a sampling sleeve which is vertically and slidably connected to the support and used for embedding and sleeving a core sample, a plurality of groups of vertically arranged straight rod-shaped clamping jaws are arranged on the sampling sleeve, the middle parts of the clamping jaws are hinged to the lower edge of the outer wall of the sampling sleeve, and the lower ends of the clamping jaws are located below the sampling sleeve and can be rotatably close to the sampling sleeve; the sampling device is characterized in that a fastening sleeve is sleeved on the sampling sleeve, and the lower end of the fastening sleeve is inserted into a gap between the sampling sleeve and the upper end of the clamping jaw and abuts against the clamping jaw.

Through adopting above-mentioned technical scheme, the core appearance is established to the sampling sleeve cover, the fastening sleeve moves down and makes clamping jaw lower extreme centre gripping core appearance, the rebound sampling sleeve presss from both sides the core appearance from the road surface and gets out, the core appearance that the testing personnel will be pressed from both sides and take out shifts to measuring mechanism and go on its measurement of height, then reachs the thickness data on road surface, compare in pincerlike anchor clamps, a plurality of clamping jaws among the detection device are bigger with the area of contact of core appearance, can also effectively guarantee the integrity of core appearance when stabilizing centre gripping core appearance.

Optionally, the support comprises a horizontal plate and a plurality of support legs for erecting the horizontal plate on the ground; the measuring mechanism comprises a measuring base fixedly connected to the horizontal plate in a laminating mode, a stand column fixedly connected to the measuring base, and a measuring plate vertically connected to the stand column in a sliding mode, wherein the scale is vertically arranged on the stand column.

Through adopting above-mentioned technical scheme, with the vertical placement of core appearance on measuring the base, remove the measuring board with its butt at the top of core appearance, observe the position of terminal surface on the scale under the measuring board and can obtain road surface thickness value fast, when using the tape measure to measure, human error is great, compares in the tape measure, and measuring mechanism can effectively improve measurement accuracy in this application.

Optionally, the outer wall of the sampling sleeve is in threaded connection with a fastening nut, and the lower end of the fastening nut is pressed against the upper end of the fastening sleeve.

Through adopting above-mentioned technical scheme, fastening nut carries on spacingly to the fastening sleeve effectively, prevents that the fastening sleeve from receiving the reaction force and taking off from clamping jaw upper end and fastening telescopic clearance, has effectively improved the stability of clamping jaw centre gripping core appearance.

Optionally, a thrust bearing is sleeved on the sampling sleeve, the upper end of the thrust bearing abuts against the fastening nut, and the lower end of the thrust bearing abuts against the fastening sleeve.

Through adopting above-mentioned technical scheme, thrust bearing reduces the friction between terminal surface and the adapter sleeve up end under the fastening nut, and it is more laborsaving when making the experimenter rotate fastening nut downwards.

Optionally, the upper part of the sampling sleeve is slidably arranged on the horizontal plate in a penetrating manner through a through hole formed in the horizontal plate; be provided with actuating mechanism on the horizontal plate, actuating mechanism installs including rotating the pivot of horizontal plate upper end, the pivot is close to the gear is installed to sampling sleeve's one end, the pivot is kept away from the hand wheel is installed to the one end of gear, sampling sleeve outer wall upper portion rigid coupling has vertical arrangement's rack, the gear with rack toothing.

Through adopting above-mentioned technical scheme, rotate the hand wheel and can realize the vertical removal of sampling sleeve conveniently, rotate the hand wheel simultaneously and order about the stability that the sampling sleeve motion can improve the sampling sleeve motion.

Optionally, the outer wall of the sampling sleeve is fixedly connected with vertically distributed limiting sliding strips, the horizontal plate is provided with sliding grooves matched with the limiting sliding strips, and the limiting sliding strips are slidably arranged on the horizontal plate in a penetrating mode through the sliding grooves.

Through adopting above-mentioned technical scheme, the outer wall and the spout institute of spacing draw runner support to the lateral wall and press, and the spout institute carries out spacingly to the lateral wall to spacing draw runner on the horizontal direction, prevents effectively that sampling sleeve from taking place to rotate, and the experimenter of being convenient for rotates fastening nut on sampling sleeve.

Optionally, be provided with locating component on the horizontal plate, locating component includes the rigid coupling and is in be close to on the horizontal plate the mounting box of spout department wears to establish with sliding locating lever in the mounting box, the locating lever both ends all are located the mounting box is outside, and wherein one end can insert in the spacing draw runner, the lower part of spacing draw runner seted up with spacing draw runner complex recess.

Through adopting above-mentioned technical scheme, press from both sides and get mechanism clamp and get core appearance after, rotate the hand wheel and make core appearance upwards break away from the road surface, insert the locating lever in spacing draw runner, sampling sleeve is by spacing this height of stabilizing, and the experimenter of being convenient for rotates fastening nut then takes off core appearance

Optionally, the positioning assembly further comprises a spring arranged on the positioning rod in a penetrating manner and a blocking piece fixedly connected to the positioning rod, the spring and the blocking piece are both arranged in a cavity formed in the mounting box, one end of the spring is pressed on the inner wall, far away from the limiting sliding strip, of the mounting box, and the other end of the spring is pressed on the side wall, far away from the limiting sliding strip, of the blocking piece.

Through adopting above-mentioned technical scheme, the thrust of directional spacing draw runner is applyed to the locating lever to spring cooperation separation blade, makes the locating lever can stably insert in the spacing draw runner and do not take place to loosen and take off.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the core sample is sleeved by the sampling sleeve, the fastening sleeve moves downwards to enable the lower end of the clamping jaw to clamp the core sample, the sampling sleeve moves upwards to clamp the core sample from a road surface, a tester transfers the clamped core sample to the measuring mechanism to measure the height of the core sample, and then thickness data of the road surface is obtained;

2. the measuring mechanism comprises a measuring base, an upright post and a measuring plate, wherein the upright post is fixedly connected to the measuring base and provided with a graduated scale, the measuring plate is connected to the upright post in a sliding manner, after a core sample is vertically placed on the measuring base, the measuring plate is moved to abut against the top of the core sample, and the position of the lower end face of the measuring plate on the graduated scale is observed, so that the pavement thickness value can be quickly obtained;

3. through setting up fastening nut, fastening nut can carry on spacingly to the fastening sleeve effectively, prevents that the fastening sleeve from receiving the reaction force and taking off from clamping jaw upper end and fastening telescopic clearance, has effectively improved the stability of clamping jaw centre gripping core appearance.

Drawings

Fig. 1 is a schematic structural diagram of a road surface thickness detection device for engineering supervision according to an embodiment of the present application.

Fig. 2 is a schematic structural view of the gripping mechanism in the embodiment of the present application.

Fig. 3 is a schematic structural diagram of a positioning assembly in an embodiment of the present application.

Description of reference numerals:

1. a support; 11. a horizontal plate; 12. supporting legs; 2. a gripping mechanism; 21. a sampling sleeve; 22. a clamping jaw; 23. fastening the sleeve; 24. fastening a nut; 25. a thrust bearing; 26. a rack; 27. a limiting slide bar; 3. a measuring mechanism; 31. a measuring base; 32. a column; 33. measuring a plate; 4. a drive mechanism; 41. a rotating shaft; 42. a gear; 43. a hand wheel; 5. a positioning assembly; 51. mounting a box; 52. positioning a rod; 53. a spring; 54. a baffle plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses road surface thickness detection device for engineering supervision, as shown in fig. 1, includes support 1 and presss from both sides and get mechanism 2, measuring mechanism 3 of setting on support 1. The bracket 1 comprises a horizontal plate 11 and a plurality of supporting legs 12 for erecting the horizontal plate 11 on the ground; the measuring mechanism 3 comprises a measuring base 31 fixed on the horizontal plate 11, a stand column 32 fixedly connected on the measuring base 31 and a measuring plate 33 connected on the stand column 32 in a sliding manner, the measuring plate 33 is sleeved on the stand column 32 in a sliding manner through a through hole formed in one end, vertically-distributed graduated scales are arranged on the stand column 32, and the positions of the graduated scales on the measuring base 31 are zero graduation positions.

When detecting road surface thickness, press from both sides and get mechanism 2 and stretch into the drilling of concrete drilling coring machine and extract out the core appearance, with the vertical back of placing on measuring base 31 of core appearance, remove measuring plate 33 with its butt at the top of core appearance, observe the position of measuring plate 33 lower extreme face on the scale and take notes the reading this moment, this reading is the thickness value on the road surface of core appearance place promptly.

As shown in fig. 1, the gripping mechanism 2 includes a sampling sleeve 21 vertically disposed on the horizontal plate 11 in a sliding manner, and a plurality of straight rod-shaped clamping jaws 22 uniformly distributed at the lower end of the outer peripheral surface of the sampling sleeve 21, and the horizontal plate 11 is provided with a through hole for the sampling sleeve 21 to penetrate through; as shown in fig. 2, the clamping jaws 22 are vertically arranged, the middle parts of the clamping jaws 22 are hinged on the sampling sleeve 21, and the lower ends of the clamping jaws 22 are located below the sampling sleeve 21 and can rotate towards the axial direction of the sampling sleeve 21. The sampling sleeve 21 is slidably sleeved with a fastening sleeve 23, the lower part of the fastening sleeve 23 is embedded and inserted into a gap between the sampling sleeve 21 and the upper ends of the clamping jaws 22, the fastening sleeve 23 is continuously moved downwards, the fastening sleeve 23 is pressed and pushes the upper ends of the clamping jaws 22 to be far away from the sampling sleeve 21, meanwhile, the lower ends of the clamping jaws 22 rotate towards the axial direction of the sampling sleeve 21, and the lower ends of all the clamping jaws 22 are mutually close to each other and are in a contraction state.

When the core sample is clamped from the road surface, the detection device is erected above the core sample to be clamped, the sampling sleeve 21 is moved downwards to be embedded and sleeved with the core sample, then the fastening sleeve 23 is moved downwards, the fastening sleeve 23 is inserted into a gap between the sampling sleeve 21 and the upper ends of the clamping jaws 22 to enable the lower ends of the clamping jaws 22 to be contracted, the lower ends of the clamping jaws 22 are pressed against the outer peripheral surface of the core sample, all the clamping jaws 22 are matched to tightly clamp the core sample, and the clamping mechanism 2 stably clamps the core sample. The sampling sleeve 21 is moved upwards until the core sample is completely separated from the road surface, the fastening sleeve 23 is moved upwards relative to the sampling sleeve 21, the lower end of the fastening sleeve 23 is separated from a gap between the sampling sleeve 21 and the upper end of the clamping jaw 22, the lower end of the clamping jaw 22 is relaxed to release the core sample, and a tester transfers the clamped core sample to the measuring mechanism 3 to measure the height of the core sample, so that the thickness data of the road surface is obtained.

When the clamping sleeve 23 moves downwards to enable the clamping jaws 22 to clamp the core sample, the lower ends of the clamping jaws 22 are subjected to the reaction of the core sample and have the tendency of expanding outwards, meanwhile, the upper ends of the clamping jaws 22 have the tendency of moving close to the clamping sleeve 23, and the upper ends of the clamping jaws 22 are matched with the clamping sleeve 23 to push the clamping sleeve 23 upwards.

In order to stably locate the lower end of the fastening sleeve 23 in the gap between the upper end of the clamping jaw 22 and the fastening sleeve 23, as shown in fig. 2, a fastening nut 24 is connected to the outer wall of the sampling sleeve 21 in a threaded manner, the fastening nut 24 is located above the fastening sleeve 23, a thrust bearing 25 is further sleeved on the outer wall of the sampling sleeve 21, and the thrust bearing 25 is located between the fastening nut 24 and the fastening sleeve 23. When the fastening nut 24 is turned downward, the lower end of the fastening nut 24 presses against the upper end of the thrust bearing 25, the lower end of the thrust bearing 25 presses against the fastening sleeve 23, and the fastening sleeve 23 moves downward to enable the clamping jaws 22 to clamp the core sample. The fastening nut 24 effectively limits the fastening sleeve 23, and prevents the lower end of the clamping jaw 22 from loosening due to the upward movement and loosening of the fastening sleeve 23, and finally the clamping mechanism 2 cannot stably clamp the core sample; the thrust bearing 25 reduces friction between the lower end face of the fastening nut 24 and the upper end face of the fastening sleeve 23, so that the experiment personnel can rotate the fastening nut 24 downwards more easily.

As shown in fig. 1, a driving mechanism 4 is disposed on the horizontal plate 11, the driving mechanism 4 includes a gear 42 rotatably mounted at the upper end of the horizontal plate 11 and close to the fastening sleeve 23, a vertically arranged rack 26 is fixedly connected to the upper portion of the outer wall of the fastening sleeve 23, the gear 42 is engaged with the rack 26, the driving mechanism 4 further includes a rotating shaft 41 rotatably mounted at the upper end of the horizontal plate 11, one end of the rotating shaft 41 is fixedly connected with the gear 42, and the other end is fixedly connected with a hand wheel 43.

When a core sample is clamped, the hand wheel 43 is rotated, the rotating shaft 41 drives the gear 42 to rotate, the rack 26 is meshed with the gear 42, the sampling sleeve 21 moves downwards relative to the support 1, the hand wheel 43 is rotated reversely after the core sample is stably clamped by the clamping jaw 22, and the driving mechanism 4 enables the sampling sleeve 21 to move upwards to draw out the core sample.

As shown in fig. 1, the outer wall of the sampling sleeve 21 is fixedly connected with a vertically distributed limiting slide bar 27, the horizontal plate 11 is provided with a sliding groove matched with the limiting slide bar 27, and the limiting slide bar 27 is slidably arranged on the horizontal plate 11 through the sliding groove. The outer wall of the limiting slide bar 27 is abutted against the side wall opposite to the sliding groove, the side wall opposite to the sliding groove is used for limiting the limiting slide bar 27 in the horizontal direction, the sampling sleeve 21 is effectively prevented from rotating, and an experimenter can conveniently rotate the fastening nut 24 on the sampling sleeve 21.

As shown in fig. 3, a positioning assembly 5 is arranged on the horizontal plate 11, the positioning assembly 5 includes a mounting box 51 fixedly connected to the horizontal plate 11 near the sliding groove, a positioning rod 52 slidably inserted into the mounting box 51, a spring 53 inserted into the positioning rod 52, and a blocking piece 54 fixedly connected to the positioning rod 52, two ends of the positioning rod 52 are located outside the mounting box 51, one end of the positioning rod can be inserted into the limiting slide bar 27, and a groove matched with the limiting slide bar 27 is formed in the limiting slide bar 27; the spring 53 and the blocking piece 54 are both arranged in a cavity formed in the mounting box 51, one end of the spring 53 is pressed on the inner wall, far away from the limiting slide bar 27, of the mounting box 51, and the other end of the spring 53 is pressed on the side wall, far away from the limiting slide bar 27, of the blocking piece 54.

Get mechanism 2 clamp and get core appearance back, rotate hand wheel 43 and make the core appearance upwards break away from the road surface, insert locating lever 52 in spacing draw runner 27, sampling sleeve 21 is by spacing this height of stabilizing this moment, and the experimenter of being convenient for rotates fastening nut 24 and then takes off the core appearance. Meanwhile, the spring 53 cooperates with the blocking piece 54 to apply a pushing force to the positioning rod 52 and the positioning rod 52 is directed to the limiting slide 27, so that the positioning rod 52 can be stably inserted into the limiting slide 27 without loosening.

The using process of the utility model is as follows:

after the concrete core drilling machine drills a hole on the road surface, the detection device is erected above a core sample to be clamped, and the positioning rod 52 is pulled to be separated from the limiting slide strip 27; the hand wheel 43 is rotated, the rotating shaft 41 drives the gear 42 to rotate, the rack 26 is meshed with the gear 42, the sampling sleeve 21 moves downwards relative to the bracket 1, after the core sample is embedded and sleeved on the sampling sleeve 21, the fastening nut 24 rotates downwards, the fastening nut 24 is pressed against the fastening sleeve 23 through the thrust bearing 25, and the fastening sleeve 23 moves downwards to enable the lower end of the clamping jaw 22 to contract and restrain the core sample.

After the core sample is stably clamped by the clamping mechanism 2, the hand wheel 43 is rotated reversely to enable the sampling sleeve 21 to move upwards until the core sample is completely separated from the road surface, at the moment, under the action of the spring 53, the positioning rod 52 is automatically inserted into the limiting slide 27 through the groove on the limiting slide 27, and the sampling sleeve 21 is stabilized at the height; and (3) rotating the fastening nut 24 upwards to ensure that the sampling sleeve 21 is not limited, moving the fastening sleeve 23 upwards, separating the lower end of the fastening sleeve 23 from a gap between the sampling sleeve 21 and the upper end of the clamping jaw 22, and relaxing the lower end of the clamping jaw 22 to release the core sample.

The vertical placing of the core appearance that will press from both sides and get is measured on base 31, removes measuring plate 33 and with its butt at the top of core appearance, observes the position of measuring plate 33 lower extreme face on the scale and takes notes the reading this moment, and this reading is the thickness value of the road surface that core appearance was located promptly.

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

Claims

1. The utility model provides a road surface thickness detection device for engineering supervision which characterized in that: the core sample clamping device comprises a support (1), a clamping mechanism (2) and a measuring mechanism (3), wherein the clamping mechanism (2) is installed on the support (1), the measuring mechanism (3) is arranged on the support (1), the clamping mechanism (2) comprises a sampling sleeve (21) which is vertically connected to the support (1) in a sliding mode and used for embedding and sleeving a core sample, a plurality of groups of vertically arranged straight rod-shaped clamping jaws (22) are arranged on the sampling sleeve (21), the middle parts of the clamping jaws (22) are hinged to the lower edge of the outer wall of the sampling sleeve (21), and the lower ends of the clamping jaws (22) are located below the sampling sleeve (21) and can be rotatably close to the sampling sleeve (21); the sampling device is characterized in that a fastening sleeve (23) is sleeved on the sampling sleeve (21), the lower end of the fastening sleeve (23) is inserted into a gap between the sampling sleeve (21) and the upper end of the clamping jaw (22) and abuts against the clamping jaw (22).

2. The road surface thickness detection device for engineering supervision according to claim 1, characterized in that: the support (1) comprises a horizontal plate (11) and a plurality of support legs (12) for erecting the horizontal plate (11) on the ground; measuring mechanism (3) are in including laminating rigid coupling measurement base (31), rigid coupling on horizontal plate (11) are in stand (32) and vertical sliding connection on measuring base (31) are in measurement board (33) on stand (32), be provided with the scale along vertical on stand (32).

3. The road surface thickness detection device for engineering supervision according to claim 1, characterized in that: the outer wall of the sampling sleeve (21) is in threaded connection with a fastening nut (24), and the lower end of the fastening nut (24) is pressed against the upper end of the fastening sleeve (23).

4. The road surface thickness detection device for project supervision according to claim 3, characterized in that: the sampling sleeve (21) is sleeved with a thrust bearing (25), the upper end of the thrust bearing (25) is abutted against the fastening nut (24), and the lower end of the thrust bearing is abutted against the fastening sleeve (23).

5. The road surface thickness detection device for project supervision according to claim 2, characterized in that: the upper part of the sampling sleeve (21) is slidably arranged on the horizontal plate (11) in a penetrating way through a through hole arranged on the horizontal plate (11); be provided with actuating mechanism (4) on horizontal plate (11), actuating mechanism (4) are installed including rotating pivot (41) of horizontal plate (11) upper end, pivot (41) are close to gear (42) are installed to the one end of sampling sleeve (21), pivot (41) are kept away from hand wheel (43) are installed to the one end of gear (42), sampling sleeve (21) outer wall upper portion rigid coupling has vertical arrangement's rack (26), gear (42) with rack (26) meshing.

6. The road surface thickness detection device for engineering supervision according to claim 5, characterized in that: sampling sleeve (21) outer wall rigid coupling has vertical distribution's spacing draw runner (27), seted up on horizontal plate (11) with spacing draw runner (27) complex spout, spacing draw runner (27) pass through the spout slides and wears to establish on horizontal plate (11).

7. The road surface thickness detection device for engineering supervision according to claim 6, characterized in that: be provided with locating component (5) on horizontal plate (11), locating component (5) are in including the rigid coupling be close to on horizontal plate (11) mounting box (51) and the slip of spout department wear to establish locating lever (52) in mounting box (51), locating lever (52) both ends all are located mounting box (51) are outside, and wherein one end can insert in spacing draw runner (27), the lower part of spacing draw runner (27) seted up with spacing draw runner (27) complex recess.

8. The road surface thickness detection device for project supervision according to claim 7, characterized in that: the positioning assembly (5) further comprises a spring (53) arranged on the positioning rod (52) in a penetrating mode and a blocking piece (54) fixedly connected to the positioning rod (52), the spring (53) and the blocking piece (54) are arranged in a cavity formed in the mounting box (51), one end of the spring (53) is pressed on the inner wall, far away from the limiting sliding strip (27), of the mounting box (51), and the other end of the spring (53) is pressed on the side wall, far away from the limiting sliding strip (27), of the blocking piece (54).