CN216926156U

CN216926156U - Highway compactness test detection device

Info

Publication number: CN216926156U
Application number: CN202220423894.5U
Authority: CN
Inventors: 怡小会; 王海龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-07-08
Anticipated expiration: 2032-03-01

Abstract

A road compactness test detection device effectively solves the problem that a sample cannot be quickly and completely taken out in the process of taking a foundation sample; the annular knife is axially and rotatably arranged up and down in the frame, the annular knife can move up and down, a storage groove is coaxially formed in the inner wall of the annular knife, a plurality of cutting knives which are uniformly distributed along the circumferential direction of the storage groove and can swing inside and outside are arranged in the storage groove, a rotating ring is coaxially and rotatably connected in the annular knife, the cutting knives are connected with the rotating ring through steel cables, a shifting rod is fixed at the upper end of the rotating ring, the upper end surface of the shifting rod is an inclined plane which is high in the front and low in the back, a fixing ring which can move up and down is arranged right above the annular knife, an inserting rod which can be in contact with the inclined plane of the shifting rod is fixed at the right end of the fixing ring, a baffle which can shield the opening of the storage groove is coaxially and slidably connected in the annular knife, a push plate which can move up and down and can be in contact with the baffle is coaxially arranged in the annular knife, and an annular frame which is positioned right above the fixing ring and can be in contact with the fixing ring is fixed in the frame; the utility model improves the practicability of the device.

Description

Road compactness test detection device

Technical Field

The utility model relates to the technical field of highway test detection, in particular to a highway compactness test detection device.

Background

The road test detects compaction degree extracting device generally is after the basic unit of highway construction engineering rolls, acquires the sampling equipment of highway engineering sample to carry out the highway compaction degree and detect, judge whether the quality of highway construction is standard from this, the staff often uses the annular sword to carry out sample collection to the target point ground, nevertheless in the process of taking, can't directly make sample and ground separation deposit in the annular sword, when taking out the sample from the sword again, often can use the mode of knocking or knocking, the soil sample that has damaged the collection easily, cause the problem of sample inefficacy.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a road compactness testing and detecting device, which effectively solves the problem that a sample cannot be taken out quickly and completely in the process of taking a foundation sample.

The annular knife can move up and down, a storage groove is coaxially formed in the inner wall of the annular knife, a plurality of cutting knives which are uniformly distributed along the circumferential direction of the annular knife and can swing inside and outside are arranged in the storage groove, a rotating ring is coaxially and rotatably connected in the annular knife, the cutting knives are connected with the rotating ring through steel cables, a driving lever is fixed at the upper end of the rotating ring, the upper end face of the driving lever is an inclined plane which is high in the front and low in the back, a fixing ring which can move up and down is arranged right above the annular knife, an inserting rod which can be in contact with the inclined plane of the driving lever is fixed at the right end of the fixing ring, a baffle which can shield the opening of the storage groove is coaxially and slidably connected in the annular knife, a push plate which can move up and down and can be in contact with the baffle is coaxially arranged in the annular knife, and an annular frame which is positioned right above the fixing ring and can be in contact with the fixing ring is fixed in the frame.

The utility model has the advantages of ingenious structure and convenient use, in the collection process, after the annular cutter rotates to enter a foundation for a certain distance, the push plate drives the baffle plate to open the storage groove, the cutting knife separates and supports the soil sample from the foundation and moves upwards, the annular frame contacts the fixing ring, the cutting knife is withdrawn, the push rod contacts the push plate to push the soil sample out of the annular cutter, the soil sample is quickly and completely separated from the foundation and can be completely taken out from the annular cutter, the integrity of the sample is ensured, the operation process is simplified, and the practicability of the device is improved.

Drawings

Fig. 1 is an isometric view of the present invention.

FIG. 2 is a front elevational perspective view, in full section, of the present invention.

Figure 3 is a cut-away isometric view of the present invention.

FIG. 4 is a top isometric view in full section of the present invention.

Fig. 5 is an isometric view of a swivel in the present invention.

Fig. 6 is an enlarged view of a in fig. 2 of the present invention.

Fig. 7 is an enlarged view of B of fig. 3 according to the present invention.

Fig. 8 is an enlarged view of C of fig. 4 according to the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

The cutting device is characterized by being provided by comprising a frame 1, an annular cutter 2 which is axially and rotatably arranged up and down is arranged in the frame 1, the annular cutter 2 can move up and down, a storage groove 3 is coaxially formed in the inner wall of the annular cutter 2, a plurality of cutting cutters 4 which are uniformly distributed along the circumferential direction of the annular cutter 3 and can swing inside and outside are arranged in the storage groove 3, a rotating ring 5 is coaxially and rotatably connected in the annular cutter 2, the cutting cutters 4 are connected with the rotating ring 5 through steel cables 6, a shifting rod 7 is fixedly arranged at the upper end of the rotating ring 5, the upper end face of the shifting rod 7 is an inclined plane which is high in the front and low in the rear, a fixing ring 12 which can move up and down is arranged right above the annular cutter 2, an inserting rod 8 which can be in contact with the inclined plane of the shifting rod 7 is fixedly arranged at the right end of the fixing ring 12, a baffle 9 which can shield an opening of the storage groove 3 is coaxially and is coaxially arranged in the annular cutter 2, a push plate 11 which can move up and down and can be in contact with the baffle 9 is coaxially arranged in the annular cutter 2, and an annular frame 13 which is fixedly arranged right above the fixing ring 12 and can be in contact with the fixing ring 12.

In order to enable the annular knife 2 to rotate, an up-and-down axial hollow motor 14 is arranged in the frame 1, and the output end of the hollow motor 14 is connected with the annular knife 2 through an expansion link 15.

In order to enable the annular knife 2 to move up and down, the upper end of the annular knife 2 is coaxially and fixedly connected with a reciprocating lead screw 16, and the reciprocating lead screw 16 is connected with the frame 1.

In order to enable the cutting knife 4 to swing inside and outside, the upper end of the cutting knife 4 is fixedly provided with a fixing frame, the outer wall of the fixing frame is connected with a fixing plate in a sliding manner, the fixing plate is fixedly connected with the annular knife 2, and a pressure spring is arranged between the fixing frame and the fixing plate.

In order to facilitate the rotation of the rotating ring 5, the upper end of the annular knife 2 is provided with a rotating groove, and the shifting rod 7 extends out of the rotating groove and is connected with the rotating groove in a sliding manner.

In order to enable the fixing ring 12 to move up and down, a plurality of push rods 10 are fixed at the lower end of the fixing ring 12, the push rods 10 are connected with the annular knife 2 in a sliding mode, and a spiral spring located between the fixing ring 12 and the annular knife 2 is sleeved outside the push rods 10.

In order to make the baffle 9 can shield the opening of the storage groove 3, a plurality of return springs are arranged between the baffle 9 and the upper side wall of the annular knife 2.

In order to enable the push plate 11 to move up and down, a connecting rod is connected in the push rod 10 in a sliding mode, the connecting rod is fixedly connected with the push plate 11, and the lower end of the push rod 10 can be in contact with the push plate 11.

When the device is used, the frame 1 is pushed to the position of a collection point, the central shaft of the annular cutter 2 is aligned to the collection point, the universal wheel on the frame 1 is locked, the hollow motor 14 is started, the telescopic rod 15 drives the annular cutter 2 to rotate, the annular cutter 2 drives the reciprocating screw rod 16 to synchronously rotate with the fixed ring 12, the reciprocating screw rod 16 is connected with the frame 1 to drive the annular cutter 2 to move downwards, and the annular cutter is drilled into a foundation, so that the telescopic rod 15 is continuously extended;

after the annular knife 2 moves downwards for a certain distance, the soil sample contacts the push plate 11 and drives the push plate 11 to move upwards, after the certain distance is moved, the push plate 11 contacts the baffle plate 9 and drives the baffle plate 9 to move upwards, the baffle plate 9 does not shield the opening of the storage groove 3, the cutting knife 4 swings inwards under the action of the pressure spring and cuts into the soil sample, meanwhile, after the reciprocating lead screw 16 reaches the lower end limit position, the annular knife 2 moves upwards, the cutting knife 4 is completely unfolded while the annular knife 2 rotates to completely cut off and support the soil sample in the annular knife 2, the cutting knife 4 swings inwards, the rotating ring 5 is pulled to rotate through the steel cable 6, the rotating ring 5 drives the shift lever 7 to rotate to the position right below the insert rod 8, the reciprocating lead screw 16 drives the annular knife 2 to move upwards to separate from the foundation, and after the annular knife 2 continues to move upwards for a certain distance, the hollow motor 14 is closed;

placing a sample box under the annular knife 2, starting the hollow motor 14, moving the annular knife 2 upwards for a certain distance, enabling the fixing ring 12 to be in contact with the annular frame 13, enabling the fixing ring 12 to not move upwards along with the annular knife 2 by the annular frame 13, enabling the inserting rod 8 to be in contact with the inclined surface of the shifting rod 7 at the same time, enabling the shifting rod 7 to drive the rotating ring 5 to rotate, and when the front end surface of the inserting rod 8 is in contact with the rear end surface of the shifting rod 7, pulling the cutting knife 4 by the steel cable 6 to be completely retracted into the storage groove 3, and stopping the rotating ring 5 from rotating;

after the annular knife 2 moves upwards for a certain distance, the push rod 10 contacts with the push plate 11, the push plate 11 completely pushes the soil sample out of the annular knife 2 and then the soil sample is put into the sample box, the baffle 9 shields the opening of the storage groove 3 under the action of the return spring, and the annular knife 2 continues to move upwards for a certain distance and then the hollow motor 14 is closed.

In the present invention, the hollow motor 14 and the telescopic rod 15 are both prior art, and will not be described in detail herein.

The annular knife lifting device is simple in structure, convenient to operate, novel in concept and strong in practicability, and the purpose of lifting the annular knife can be achieved by arranging the hollow motor, the telescopic rod and the reciprocating screw rod under the condition that the rotation direction of the annular knife is not changed, so that the complexity of the structure is reduced; by arranging the annular frame, the fixing ring, the push rod, the spiral spring, the connecting rod and the push plate, when the fixing ring contacts the annular frame, the fixing ring does not move upwards along with the annular cutter any longer, the push rod contacts the push plate, the push plate completely pushes out the soil sample from the annular cutter, the problem that the soil sample is damaged by knocking or knocking and other taking modes can be avoided, the spiral spring can keep the inserted rod and the shifting rod in a separated state, the steel cable is prevented from being in a tight state, the cutting knife cannot be normally cut into the soil, when the fixing ring contacts the annular frame and stops moving upwards, the inserted rod, the shift lever, the rotating groove, the steel cable and the cutting knife are arranged, the inserted rod is contacted with the inclined surface of the shifting rod, the shifting rod rotates to drive the rotating ring to rotate, so that the steel cable pulls the cutting knife to be retracted into the storage groove, the purpose of retracting the cutting knife is achieved, and the problem that the integrity of the soil sample is damaged because the cutting knife blocks the soil sample to be pushed out of the annular knife is avoided; through setting up fixed plate, fixed frame and pressure spring can fix the biggest swing angle of cutting knife, the pressure spring can be when the baffle is opened in popping into earth with the cutting knife, and the swing direction of cutting knife is the same with annular sword rotation direction simultaneously, can utilize the relative motion of earth and annular sword to expand the maximum angle with the cutting knife, and the cutting knife of being convenient for downcuts the earth sample.

Claims

1. A road compactness test detection device comprises a vehicle frame (1) and is characterized in that an annular cutter (2) which is axially and rotatably arranged up and down is arranged in the vehicle frame (1), the annular cutter (2) can move up and down, a storage tank (3) is coaxially arranged on the inner wall of the annular cutter (2), a plurality of cutting knives (4) which are uniformly distributed along the circumferential direction and can swing inside and outside are arranged in the storage tank (3), a rotating ring (5) is coaxially and rotatably connected in the annular cutter (2), the cutting knives (4) are connected with the rotating ring (5) through steel cables (6), a shifting rod (7) is fixed at the upper end of the rotating ring (5), the upper end surface of the shifting rod (7) is an inclined plane which is high in the front and low in the back, a fixing ring (12) which can move up and down is arranged right above the annular cutter (2), an inserting rod (8) which can be contacted with the inclined plane of the shifting rod (7) is fixed at the right end of the fixing ring (12), and a baffle (9) which can shield an opening of the storage tank (3) is coaxially and slidably connected in the annular cutter (2), a push plate (11) which can move up and down and can be contacted with the baffle (9) is coaxially arranged in the annular knife (2), and an annular frame (13) which is positioned right above the fixed ring (12) and can be contacted with the fixed ring (12) is fixed in the frame (1).

2. The road compactness test detection device according to claim 1, characterized in that an up-and-down axial hollow motor (14) is arranged in the vehicle frame (1), and the output end of the hollow motor (14) is connected with the annular knife (2) through a telescopic rod (15).

3. The road compactness test detection device according to claim 1, characterized in that a reciprocating lead screw (16) is coaxially and fixedly connected to the upper end of the annular cutter (2), and the reciprocating lead screw (16) is connected with the vehicle frame (1).

4. The road compactness testing device according to claim 1, wherein a fixing frame is fixed on the upper end of the cutting knife (4), a fixing plate is slidably connected to the outer wall of the fixing frame, the fixing plate is fixedly connected with the annular knife (2), and a pressure spring is arranged between the fixing frame and the fixing plate.

5. The road compactness test detection device according to claim 1, wherein a rotating groove is formed in the upper end of the annular knife (2), and the deflector rod (7) extends out of the rotating groove and is in sliding connection with the rotating groove.

6. The road compactness test detection device according to claim 1, characterized in that a plurality of push rods (10) are fixed at the lower end of the fixing ring (12), the push rods (10) are slidably connected with the annular cutter (2), and the push rods (10) are sleeved with coil springs positioned between the fixing ring (12) and the annular cutter (2).

7. A road compactness test detection device according to claim 1, characterized in that a plurality of return springs are arranged between the baffle (9) and the upper side wall of the annular knife (2).

8. The road compactness test detection device according to claim 1, wherein a connecting rod is slidably connected in the push rod (10), the connecting rod is fixedly connected with the push plate (11), and the lower end of the push rod (10) can be contacted with the push plate (11).