CN213016188U

CN213016188U - A core machine is got in drilling for road surface quality testing

Info

Publication number: CN213016188U
Application number: CN202022094544.2U
Authority: CN
Inventors: 赵国永; 贾力鹏; 赵鹏飞
Original assignee: Hebei Runda Petrochemical Engineering Construction Co ltd
Current assignee: Hebei Runda Petrochemical Engineering Construction Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-04-20
Anticipated expiration: 2030-09-22

Abstract

The application relates to a core drilling machine for detecting pavement quality, which comprises a base, rollers symmetrically arranged on two sides of the base, a handrail arranged on one side of the upper surface of the base, a core drilling machine main body arranged on the upper surface of the base and far away from one side of the handrail, a plurality of lifting devices fixedly connected with the base, and a limiting device detachably connected with one side of the base far away from the handrail. This application belongs to road surface check out test set's technical field, and it has the drilling aperture that enables the drilling core machine can be stable and the big hole and more labour saving and time saving's advantage of the stable drilling that again can be got.

Description

A core machine is got in drilling for road surface quality testing

Technical Field

The application relates to the technical field of pavement detection equipment, in particular to a core drilling machine for pavement quality detection.

Background

At present, the drilling and sampling of the road surface are the standard test methods widely adopted in recent years, and can be used for the tests of measuring the thickness, the density, the material ratio and the like of the road surface. A core drilling machine is often used for drilling and sampling on the road surface. The base of core machine is got to commonly used drilling has set up the removal wheel, when using the drilling to get the core machine and drill on the road surface, can push down the core machine of drilling with the heavy object, prevents that whole drilling from getting the core machine and moving the unstable problem of drilling that causes taking place, in addition, when boring macropore and deep hole, still need carry on the bed hedgehopping so that drilling is more stable with cushion such as wood, concrete slab, still need remove the cushion that fills up after the drilling sample is accomplished, waste time and difficultly.

Therefore, a core drilling machine for pavement quality inspection is required to improve the above-mentioned defects.

SUMMERY OF THE UTILITY MODEL

In order to make the core machine is got to drilling that core machine can be stable bore the aperture sample again can be stable bore the macropore and more labour saving and time saving, this application provides a core machine is got to drilling for road surface quality detects.

The application provides a core machine is got in drilling for road surface quality testing adopts following technical scheme:

the utility model provides a core machine is got in drilling for road surface quality testing, includes the base, the symmetry establishes the gyro wheel in the base both sides, establishes the handrail in one side on the base upper surface, establishes the drilling that keeps away from handrail one side on the base upper surface and gets core machine main part, a plurality of elevating gear and base fixed connection and with keep away from the stop device that can dismantle the connection in one side of handrail on the base.

Through adopting above-mentioned technical scheme, use with handrail and gyro wheel cooperation, can push away the position that the core was got in the drilling with whole drilling core machine, then make the position of base promote suitable position and break away from with the road surface if the wheel face that makes the gyro wheel can so when boring the aperture stabilize the drilling sample with elevating gear, when needs bore the macropore, can after usable elevating gear makes the position of whole base rise, convenient operation, labour saving and time saving. In addition, the limiting device can limit the radial shaking of the drill bit during drilling, so that the whole drilling process is more stable.

Optionally, the lifting device includes a housing fixedly connected to the base, a rotating shaft penetrating through the housing, a gear sleeved on the rotating shaft, a rack vertically penetrating through the housing and engaged with the gear, a driving handle arranged at one end of the rotating shaft, and a limit pin penetrating through the driving handle;

and a plurality of limiting holes for the limiting pins to pass through are formed in the side surface, close to the driving handle, of the shell.

Through adopting above-mentioned technical scheme, the actuating handle can drive the pivot and rotate around self axis to drive gear revolve, and then make and reciprocate along vertical direction with gear engagement's rack, remove to suitable position after, insert the spacing hole with the spacing pin and can prevent the gear reversal, thereby make the base fix to the position after promoting on.

Optionally, the gear is a helical gear, and the rack is a helical rack.

Through adopting above-mentioned technical scheme, the helical gear teeth of a cogwheel and helical rack set up the meshing and all are gradual with the disengagement, therefore the transmission is steady, also can reduce the influence of manufacturing error to the transmission, and helical gear overlap ratio is big in addition, can reduce the load of every pair of teeth of a cogwheel to improve the bearing capacity of the teeth of a cogwheel, prolonged the life of gear and rack.

Optionally, a buffer damping cushion plate is arranged at the bottom end of the rack.

Through adopting above-mentioned technical scheme, the facility of buffering shock attenuation backing plate makes the contact friction force on rack bottom and road surface bigger, is difficult for taking place to remove. And can cancel part of the vibration generated during sampling,

optionally, the limiting device comprises a mounting plate connected with the base through a bolt, a limiting ring fixedly connected with the mounting plate, and a plurality of limiting rods which are distributed along the circumferential direction and radially penetrate through the limiting ring.

Through adopting above-mentioned technical scheme, the setting of mounting panel and spacing ring can carry on spacingly to the drill bit, and the gag lever post is worn to establish on the spacing ring, and the one end of gag lever post is supported and is carried on spacingly to the drill bit on the lateral surface of drill bit, prevents that the drill bit from taking place to rock when the core is got in drilling, and then makes the process of drilling coring more stable.

Optionally, a water retaining cover is arranged on the limiting ring.

Through adopting above-mentioned technical scheme, the water smoke that the setting of manger plate cover can reduce to produce because of the drilling coring time cooling water splashes, prevents that the water smoke that splashes from soaking staff's clothing.

Optionally, the limiting rod is a bolt and is in threaded connection with the limiting ring.

Through adopting above-mentioned technical scheme, gag lever post and spacing ring threaded connection for the gag lever post is along the radial portable regulation of spacing ring, and then makes stop device can be used for spacing to the drill bit of different diameters.

Optionally, the device further comprises a connecting plate and pedals, wherein the connecting plate and the pedals are symmetrically arranged on the same side of the base as the rollers, and the pedals are hinged to the connecting plate.

Through adopting above-mentioned technical scheme, connecting plate and footboard can supply the staff to trample, and it is more convenient when the base is promoted to make the staff operate the core machine of coring of driling to drill. In addition, when a worker stands on the pedal, the core drilling machine can be placed on the road surface to work more stably under the action of the gravity of the worker.

Optionally, the surface of the pedal is provided with a support leg which can rotate to a vertical state.

Through adopting above-mentioned technical scheme, the one end of landing leg can support on the road surface, provides the support for footboard and the staff of standing on the footboard for the footboard is more firm, is difficult for being damaged.

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

1. handrail and gyro wheel in this application can cooperate the use, can push away the position that the core was got in the drilling with whole drilling core machine, elevating gear makes the position of base promote suitable position if make the wheel face of gyro wheel break away from with the road surface can, enable like this and stable drilling sample when boring the aperture, when needs bore the macropore, usable elevating gear make the position of whole base rise after can, convenient operation, labour saving and time saving. In addition, the limiting device can limit the radial shaking of the drill bit during drilling, so that the whole drilling process is more stable;

2. connecting plate and footboard can supply the staff to trample, and it is more convenient when the base is promoted to make the staff operate the core machine of coring of driling to drill the core. In addition, when a worker stands on the pedal, the core drilling machine can be placed on the road surface to work more stably under the action of the gravity of the worker.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of the upgrading apparatus in the present embodiment in a state where the chassis is detached.

Fig. 3 is a schematic structural diagram of a limiting device in the embodiment of the present application.

Description of reference numerals: 11. a base; 111. a connecting plate; 112. a pedal; 113. a support leg; 12. a roller; 13. a handrail; 21. drilling a core taking machine main body; 31. a lifting device; 311. a housing; 312. a rotating shaft; 313. a gear; 314. a rack; 315. a drive handle; 316. a limit pin; 317. a limiting hole; 318. a buffer damping backing plate; 41. a limiting device; 411. mounting a plate; 412. a limiting ring; 413. a limiting rod; 414. a water retaining cover.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses a core drilling machine for detecting the pavement quality. Referring to fig. 1, a core drilling machine for detecting road surface quality comprises a base 11, a roller 12, an armrest 13, a core drilling machine main body 21, a lifting device 31 and a limiting device 41. The rollers 12 are mounted on two sides of the base 11, the handrail 13 is arranged on one side of the upper surface of the base 11, the core drilling machine main body 21 is arranged on one side, far away from the handrail 13, of the upper surface of the base 11, and the limiting device 41 is detachably connected with one side, far away from the handrail 13, of the base 11.

Referring to fig. 1, the base 11 may be a rectangular frame welded by steel, a connecting plate 111 is disposed on a side surface of the base 11 on the same side as the roller 12, and a side surface of the connecting plate 111 and a side surface of the base 11 may be fixedly connected by welding. The connecting plate 111 can be made of a steel plate with anti-skid lines on the surface, the pedal 112 is hinged on the other side surface of the connecting plate 111, the pedal 112 can also be made of an anti-skid steel plate, in order to provide support for the pedal 112, the lower surface of the pedal 112 is also rotatably connected with supporting legs 113, and the supporting legs 113 can be abutted against the road surface after rotating for 90 degrees so as to provide support force for the pedal 112 and workers standing on the pedal.

The rollers 12 are mounted on both sides of the base 11 by means of casters and support bars. In some possible embodiments, a universal caster may be further installed on the other side of the base 11, and the universal caster and the roller 12 form a supporting structure with a triangular structure, so that the whole core drilling machine can be moved more conveniently. The handrail 13 can be formed by bending an aluminum alloy pipe, and the connection mode of the handrail 13 and the base 11 can be welding.

Referring to fig. 1, a main body 21 of the core drilling and coring machine mainly comprises two upright columns vertically connected with the upper surface of a base 11 through bolts, a cross beam fixedly installed at the tops of the upright columns, a lead screw vertically and downwards connected to the cross beam in the middle, a rotating hand wheel connected with a bolt at the top end of the lead screw, a bearing seat assembly sleeved on the upright columns, a water pump connected with a flange of the bearing seat assembly, a drilling component connected with the bearing seat assembly through a thread and extending downwards, a motor fixedly installed on the upper surface of the bearing seat assembly through bolts and used for driving the drilling component to rotate, and a gearbox connected with a power output shaft of the motor. Wherein, the gearbox is connected with the bearing seat through a belt. The core drill body 21 has the same structure as a conventional core drill body, and the installation process and circuit connection thereof will not be described.

Referring to fig. 1 and 2, the lifting device 31 includes a housing 311, a rotation shaft 312, a gear 313, a rack 314, a driving handle 315, a limit pin 316, and a cushion pad 318. The housing 311 may be a hollow box structure formed by welding aluminum alloy plates, the side surfaces of the housing 311 and the base 11 may be fixedly connected by welding, and the upper surface of the housing 311 is parallel to the upper surface of the base 11. In addition, a plurality of stopper holes 317 are formed in the side surface of the housing 311 in the circumferential direction so that the stopper pins 316 can pass through.

Both ends of the rotating shaft 312 are connected to the housing 311 by rolling ball bearings, and the rotating shaft 312 can rotate around its axis. The gear 313 is sleeved on the rotating shaft 312, and the gear 313 and the rotating shaft 312 can be connected together in a key connection mode. When the rotating shaft 312 rotates, the gear 313 rotates accordingly. In some possible embodiments, the gear 313 may be a helical gear.

The rack 314 may be a cylindrical rack, and is vertically disposed on the housing 311, and correspondingly, a circular hole is also formed on the housing 311 before the rack 314 is mounted for the rack 314 to pass through. Of course, the rack 314 may also be a rectangular rack. In some possible embodiments, the rack 314 may be a helical rack.

Furthermore, in order to make the whole core drilling machine more stable to place on the road surface. The bottom end of the rack 314 is further provided with a buffer shock absorption pad 318, the buffer shock absorption pad 318 can be a circular plate made of rubber, and the connection mode of the buffer shock absorption pad 318 and the rack 314 can be threaded connection or bonding connection.

The driving handle 315 is composed of a circular plate and a plurality of grab handles with one ends welded to the side face of the circular plate, one surface of the driving handle 315 and one end of the rotating shaft 312 can be connected together in a welding mode, when a worker drives the driving handle 315, the driving handle 315 can drive the rotating shaft 312 to rotate after rotating, further drive the gear 313 and the rack 314 meshed with the gear 313 to move, and the rack 314 moves up and down along the vertical direction, so that the base 11 moves up and down.

The limit pin 316 may be made of a stainless steel round bar, and one end of the limit pin 316 extends into the housing 311 after passing through the round plate of the driving handle 315 and the limit hole 317. Of course, in some possible embodiments, the limiting hole 317 may be a threaded hole, and the limiting pin 316 may also be a threaded rod. The limit pin 316 prevents the lifting device 31 from being lowered by gravity.

Referring to fig. 1 and 3, the spacing device 41 includes a mounting plate 411, a spacing ring 412, and a spacing rod 413. The mounting plate 411 may be formed by bending a U-shaped plate, and the mounting plate 411 may be fixedly mounted on the base 11 by bolts. The limiting ring 412 may be welded on the inner side surface of the mounting plate 411 by using an annular steel plate, and the center of the projection of the limiting ring 412 and the drill bit on the horizontal plane coincides. The limit ring 412 is provided with a water retaining cover 414, and the water retaining cover 414 can be a cylinder formed by rolling a plastic plate and can be connected with the limit ring 412 in a bonding or clamping manner.

The gag lever post 413 can adopt the bolt, and the quantity of gag lever post 413 is a plurality of, and in this application embodiment, the quantity of gag lever post 413 is three, along circumferential direction distribution and radially wear to establish on spacing ring 412, and gag lever post 413 and spacing ring 412's connection is threaded connection then, and the one end of gag lever post 413 passes behind spacing ring 412 and extends to the inside of spacing ring 412 promptly, and during the use, the tip of gag lever post 413 supports and carries out radial spacing to the drill bit on the lateral surface of drill bit.

The implementation principle of the drilling and core-drilling machine for detecting the pavement quality is as follows:

when a small hole is to be drilled, the core drilling machine can be moved to a proper position on the road surface and leveled simply by using the handrail 13 and the roller 12. Then, make core machine main part 21 of driling offer the core operation of driling, stop device 41 can carry on spacingly to the drill bit, prevents that the drill bit from taking place to rock for core operation of driling is more stable.

When a large hole and a deep hole need to be drilled, the base 11 can be lifted to a proper height by the lifting device 31, and then the core drilling machine main body 21 is started to perform core drilling operation. If the height of the base 11 is too high, the operator can step on the pedal 112 to operate the device.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a core machine is got in drilling for road surface quality testing which characterized in that: the core drilling machine comprises a base (11), rollers (12) symmetrically arranged on two sides of the base (11), a handrail (13) arranged on one side of the upper surface of the base (11), a core drilling machine main body (21) arranged on one side of the upper surface of the base (11) far away from the handrail (13), a plurality of lifting devices (31) fixedly connected with the base (11) and a limiting device (41) detachably connected with one side of the base (11) far away from the handrail (13).

2. A core drilling machine for pavement quality detection according to claim 1, characterized in that: the lifting device (31) comprises a shell (311) fixedly connected with the base (11), a rotating shaft (312) arranged in the shell (311) in a penetrating mode, a gear (313) sleeved on the rotating shaft (312), a rack (314) vertically arranged in the shell (311) in a penetrating mode and meshed with the gear (313), a driving handle (315) arranged at one end of the rotating shaft (312) and a limiting pin (316) arranged on the driving handle (315) in a penetrating mode;

the side surface of the shell (311) close to the driving handle (315) is provided with a plurality of limiting holes (317) for the limiting pins (316) to pass through.

3. A core drilling machine for pavement quality detection according to claim 2, characterized in that: the gear (313) is a helical gear, and the rack (314) is a helical rack.

4. A core drilling machine for pavement quality inspection according to claim 2 or 3, characterized in that: and a buffer shock absorption base plate (318) is arranged at the bottom end of the rack (314).

5. A core drilling machine for pavement quality detection according to claim 1, characterized in that: the limiting device (41) comprises a mounting plate (411) connected with the base (11) through bolts, a limiting ring (412) fixedly connected with the mounting plate (411), and a plurality of limiting rods (413) which are distributed along the circumferential direction and penetrate through the limiting ring (412) along the radial direction.

6. A core drilling machine for pavement quality detection according to claim 5, characterized in that: and a water retaining cover (414) is arranged on the limiting ring (412).

7. A core drilling machine for pavement quality detection according to claim 5, characterized in that: the limiting rod (413) is a bolt and is in threaded connection with the limiting ring (412).

8. A core drilling machine for pavement quality detection according to claim 1, characterized in that: the device also comprises a connecting plate (111) and pedals (112), wherein the connecting plate (111) and the pedals (111) are symmetrically arranged on the same side of the base (11) as the rollers (12).

9. A core drilling machine for pavement quality detection according to claim 8, characterized in that: the surface of the pedal (112) is provided with a supporting leg (113) which can rotate to a vertical state.