CN216621825U

CN216621825U - Road surface compactness detection device for highway engineering supervision

Info

Publication number: CN216621825U
Application number: CN202123328976.6U
Authority: CN
Inventors: 李淼; 付志勇; 吴达
Original assignee: Baoding Municipal Engineering Management Co ltd
Current assignee: Baoding Municipal Engineering Management Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-05-27
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a pavement compactness detection device for supervision of highway engineering, which comprises a pair of vertical plates; the top end of the vertical plate is fixedly connected with a supporting plate; a pair of vertical rods is fixedly arranged on the supporting plate, and the top ends of the vertical rods are fixedly connected with a fixing plate; a sleeve is fixedly connected between the supporting plate and the fixing plate; the fixed plate is fixedly connected with a motor, and a rotating shaft of the motor is sleeved inside the sleeve; a rotating shaft of the motor is fixedly connected with a lead screw, and a threaded cylinder is sleeved outside the lead screw; the outer wall of the threaded cylinder is fixedly connected with a balance rod, and the other end of the balance rod is fixedly connected with a sliding block; a measuring cylinder is fixedly arranged below the threaded cylinder; the lower part of the vertical plate is hinged with a plurality of moving mechanisms. The utility model has the advantages of simple structure, complete sampling, high measuring efficiency and high automation degree of the operation process.

Description

Road surface compactness detection device for highway engineering supervision

Technical Field

The utility model relates to the technical field of road detection, in particular to a road surface compactness detection device for road engineering supervision.

Background

For asphalt pavement, whether new asphalt pavement or old asphalt pavement, the compactness detection is needed according to relevant regulations and requirements. The compaction degree is also called compaction degree, and refers to the ratio of the dry density of soil or other road building materials after compaction to the standard maximum dry density, and the compaction quality of the roadbed and the road surface is one of the most important internal indexes for the management of the construction quality of road engineering in percentage representation. The compactness represents the density condition after on-site compaction, and the higher the compactness is, the higher the density is, and the better the overall performance of the material is.

The strength, rigidity, stability and flatness of the roadbed and the pavement can be ensured only by fully compacting the roadbed and the pavement structure layer, so that the service life of the roadbed and the pavement is prolonged, the on-site compaction quality of the roadbed and the pavement is represented by the compactness, and for roadbed soil and a pavement base layer, the compactness refers to the ratio of the dry density actually achieved by a construction site to the maximum dry density obtained by an indoor standard compaction test; for asphalt pavement, it refers to the ratio of the density actually achieved on site to the indoor standard density.

At present, the existing device for detecting the road pavement compactness in the market has a complex structure and lower measurement precision. Therefore, a road surface compactness detecting device for road engineering supervision is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a road surface compactness detection device for road engineering supervision, which aims to solve the problem of low precision of the conventional detection device and improve the detection precision.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows.

The road surface compactness detection device for the supervision of highway engineering comprises a pair of rectangular vertical plates which are oppositely arranged; the top end of the vertical plate is fixedly connected with a horizontally arranged supporting plate, and the center of the supporting plate is provided with a through hole; a pair of vertical rods is fixedly arranged on the upper end surface of the supporting plate, and the top ends of the vertical rods are fixedly connected with a fixing plate which is horizontally arranged and is provided with a through hole coaxially arranged with the through hole on the supporting plate in the center; a sleeve is fixedly connected between the supporting plate and the through hole of the fixing plate; a vertically downward motor is fixedly connected to the fixed plate, and a rotating shaft of the motor is sleeved inside the sleeve; a rotating shaft of the motor is fixedly connected with a lead screw, and a threaded cylinder used for matching is sleeved outside the lead screw; the left end and the right end of the outer wall of the threaded cylinder are respectively fixedly connected with a balance rod which is horizontally arranged, and the other end of the balance rod is fixedly connected with a sliding block which is clamped in the sliding groove; a measuring cylinder which is sleeved outside the screw rod and used for sampling on the road surface is fixedly arranged below the threaded cylinder; the lower part of the vertical plate is hinged with a plurality of moving mechanisms which are used for facilitating the movement of the detection device.

According to the technical scheme, the middle of the inner side of the vertical plate is provided with a sliding groove in the vertical direction.

Further optimize technical scheme, backup pad, fixed plate are the board that is the rectangle.

According to the technical scheme, the moving mechanism comprises a support which is hinged to the vertical plate and is in a rectangular frame shape; the lower part of the bracket is hinged with a wheel for facilitating advancing; and a blocking groove which is fixedly connected to the vertical plate and used for preventing the support from inclining when moving is arranged above the inner side of the support.

Further optimize the technical scheme, the blocking groove is a triangular groove body with a cavity arranged inside.

Further optimize technical scheme, moving mechanism evenly is provided with four, and is located the support in two moving mechanism at rear and can accomodate to the spout.

Further optimize technical scheme, the bottom of lead screw is provided with the sealing washer that is used for increasing the sealed effect between lead screw and the measuring cylinder.

Due to the adoption of the technical scheme, the technical progress of the utility model is as follows.

According to the pavement compactness detection device for road engineering supervision, the matching of the measuring cylinder can be completed through the matching of the motor and the lead screw, the movement of the detection device is facilitated through the arrangement of the retractable moving mechanism on the vertical plate, and the stability of the sampling process is also ensured. The utility model has the advantages of simple structure, complete sampling, high measuring efficiency and high automation degree of the operation process.

Drawings

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

wherein: 1. the device comprises a vertical plate, 2, a supporting plate, 3, a vertical rod, 4, a motor, 5, a sleeve, 6, a sliding groove, 7, a fixing plate, 8, a screw rod, 9, a threaded cylinder, 10, a balance rod, 11, a measuring cylinder, 12, a moving mechanism, 121, a support, 122, wheels, 123 and a blocking groove.

Detailed Description

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

The road compactness detecting device for road engineering supervision is shown in fig. 1 and comprises a vertical plate 1, a supporting plate 2, a vertical rod 3, a motor 4, a sleeve 5, a sliding groove 6, a fixing plate 7, a lead screw 8, a threaded cylinder 9, a balance rod 10, a measuring cylinder 11, a moving mechanism 12, a support 121, wheels 122 and a blocking groove 123.

Highway engineering is managed and is used road surface compactness detection device, including a pair of relative riser 1 that sets up, riser 1 is the rectangle, and the spout 6 of vertical direction is all seted up at the inboard middle part of riser 1. The top end of the vertical plate 1 is fixedly connected with a horizontally arranged support plate 2, and a through hole is formed in the center of the support plate 2.

The pole setting 3 of a pair of vertical setting is fixed to be provided with on the up end of backup pad 2, and the top fixedly connected with fixed plate 7 of pole setting 3, the through-hole of setting coaxial with backup pad 2 upper through-hole is seted up at the center that fixed plate 7 level set up and fixed plate 7. A sleeve 5 is fixedly connected between the through hole of the supporting plate 2 and the through hole of the fixing plate 7. The supporting plate 2 and the fixing plate 7 are both rectangular plates.

The fixed plate 7 is fixedly connected with a vertically downward motor 4, and a rotating shaft of the motor 4 is sleeved inside the sleeve 5. The pivot fixedly connected with lead screw 8 of motor 4, the bottom of lead screw 8 is provided with the sealing washer for increase the sealed effect between lead screw 8 and the measuring cylinder 11.

8 vertical settings of lead screw and 8 overcoat of lead screw are equipped with a screw thread section of thick bamboo 9, and a screw thread section of thick bamboo 9 cooperation lead screw 8 uses, can reciprocate relative lead screw 8. The left end and the right end of the outer wall of the threaded cylinder 9 are respectively and fixedly connected with a balance rod 10, the balance rod 10 is horizontally arranged, the other end of the balance rod 10 is fixedly connected with a sliding block, and the sliding block is clamped in the sliding groove 6 and used for driving the balance rod 10 to move up and down.

A measuring cylinder 11 is fixedly arranged below the threaded cylinder 9, and the measuring cylinder 11 is used for sampling on the road surface.

The lower part of the vertical plate 1 is hinged with a plurality of moving mechanisms 12, and the moving mechanisms 12 are used for facilitating the movement of the detection device when working; when sampling, the moving mechanism 12 can be retracted to ensure the stability of the device. The number of the moving mechanisms 12 is four, two moving mechanisms are uniformly arranged on each vertical plate 1, and the brackets 121 in the two moving mechanisms 12 located behind can be accommodated in the sliding grooves 6 on the opposite vertical plates 1.

The moving mechanism 12 comprises a bracket 121, wheels 122 and a blocking groove 123; the bracket 121 is hinged on the vertical plate 1, and the bracket 121 is in a rectangular frame shape; the lower part of the bracket 121 is hinged with a wheel 122 for facilitating the running of the device; the upper part of the inner side of the support 121 is provided with a blocking groove 123, and the blocking groove 123 is fixedly connected to the vertical plate 1 and used for preventing the support 121 from inclining in the forward moving process and ensuring the moving smoothness. The blocking groove 123 is a triangular groove body, and a cavity is formed inside the blocking groove 123 and used for accommodating and fixing the support 121.

When the utility model is actually used, the moving mechanism 12 is firstly put down below the vertical plate 1, then the wheel 122 on the moving mechanism 12 pushes the detection device to move forwards, and after the detection device moves to a proper position, the bracket 121 in the moving mechanism 12 is controlled to rotate forwards, the wheel 122 is lifted off the ground, and the moving mechanism 12 is folded. Two detection devices positioned at the front end are retracted to the side face of the vertical plate 1, and two detection devices positioned at the rear end are retracted to the sliding groove 6, so that the detection devices can stably stand on the ground.

Starting the motor 4, and driving the screw rod 8 to rotate by the motor 4; because the threaded cylinder 9 is fixed by the balance rod 10, the threaded cylinder 9 moves downwards along the lead screw 8, and meanwhile, the measuring cylinder 11 moves downwards and is inserted into the road surface; when the sealing ring at the bottom end of the screw rod 8 seals the top end of the measuring cylinder 11, the sampling process is completed. The absence of air in the measuring cylinder 11 after sealing effectively prevents the sample from falling off. And then the motor 4 is controlled to work reversely to drive the measuring cylinder 11 to move upwards to lift the sample. The motor 4 is controlled to move forward, and the next sampling can be carried out after the sample is released.

Claims

1. Road engineering manages with road surface compactness detection device, its characterized in that: comprises a pair of opposite rectangular vertical plates (1); the top end of the vertical plate (1) is fixedly connected with a supporting plate (2) which is horizontally arranged and provided with a through hole in the center; a pair of upright rods (3) which are vertically arranged is fixedly arranged on the upper end surface of the supporting plate (2), and a fixing plate (7) which is horizontally arranged and is provided with a through hole in the center coaxial with the through hole in the supporting plate (2) is fixedly connected to the top ends of the upright rods (3); a sleeve (5) is fixedly connected between the through hole of the supporting plate (2) and the through hole of the fixing plate (7); a vertically downward motor (4) is fixedly connected to the fixing plate (7), and a rotating shaft of the motor (4) is sleeved inside the sleeve (5); a rotating shaft of the motor (4) is fixedly connected with a lead screw (8), and a threaded cylinder (9) used for matching is sleeved outside the lead screw (8); the left end and the right end of the outer wall of the threaded cylinder (9) are respectively and fixedly connected with a balance rod (10) which is horizontally arranged, and the other end of the balance rod (10) is fixedly connected with a sliding block which is clamped in the sliding groove (6); a measuring cylinder (11) which is sleeved outside the screw rod (8) and used for sampling on the road surface is fixedly arranged below the threaded cylinder (9); the lower part of the vertical plate (1) is hinged with a plurality of moving mechanisms (12) which are used for facilitating the movement of the detection device.

2. The road surface compactness detecting device for road engineering supervision according to claim 1, characterized in that: the middle part of the inner side of the vertical plate (1) is provided with a sliding chute (6) in the vertical direction.

3. The road surface compactness detecting device for road engineering supervision according to claim 1, characterized in that: the supporting plate (2) and the fixing plate (7) are rectangular plates.

4. The road surface compactness detecting device for road engineering supervision according to claim 1, characterized in that: the moving mechanism (12) comprises a bracket (121) which is hinged on the vertical plate (1) and is in a rectangular frame shape; the lower part of the bracket (121) is hinged with a wheel (122) for facilitating traveling; and a blocking groove (123) which is fixedly connected to the vertical plate (1) and used for preventing the support (121) from inclining during movement is arranged above the inner side of the support (121).

5. The road surface compactness detecting device for road engineering supervision according to claim 4, characterized in that: the blocking groove (123) is a triangular groove body with a cavity formed inside.

6. The road surface compactness detecting device for road engineering supervision according to claim 4, characterized in that: the number of the moving mechanisms (12) is four, and the brackets (121) in the two moving mechanisms (12) positioned behind can be accommodated in the sliding groove (6).

7. The road surface compactness detecting device for road engineering supervision according to claim 1, characterized in that: and a sealing ring for increasing the sealing effect between the screw rod (8) and the measuring cylinder (11) is arranged at the bottom end of the screw rod (8).