CN218509445U - Special core bit of getting of bituminous paving - Google Patents

Abstract

The utility model provides a special core bit that gets of bituminous paving. The special core drill bit of getting of bituminous paving is including boring the body and setting up the square above boring the body, the below of boring the body is equipped with connects the cover soon, the bottom fixed mounting who connects the cover soon has a plurality of brill tool bits, the annular has been seted up to the bottom of boring the body, the internal thread cover is installed to the annular internal thread, the bottom of internal thread cover with connect cover fixed connection soon, the top fixed mounting of boring the body has the connector, the square groove has been seted up at the top of connector, the caulking groove has all been seted up to four sides of square, it installs two-way screw rod to rotate on the square, two continuous band plates are installed to the screw thread on the two-way screw rod, two the equal fixed mounting in one side that continuous band plate is close to each other has the caulking column. The utility model provides a special core bit of getting of bituminous paving has and can make things convenient for people to install, comparatively laborsaving advantage.

Description

Special core bit of getting of bituminous paving

Technical Field

The utility model relates to a road strength detects instrument technical field, especially relates to a special core bit that gets of bituminous paving.

Background

In the good initial stage of bituminous paving, in order to detect bituminous paving's intensity, need take a sample bituminous paving, then carry out intensity detection with the sample adoption pressor mode, when taking a sample, get the core machine through the road mostly and take a sample, utilize the coring bit that sets up on it to through the rotatory mode of pushing down, bore bituminous paving and get an asphalt strip post, then carry out intensity detection to this asphalt strip post can.

However, in practical application, the core drill bit on the core drilling machine is made of alloy materials or tool steel materials, the diameter of the core drill bit is 50-150mm, the length of the core drill bit is 400-1000mm, the core drill bit is heavy, when people replace the core drill bit, the heavy core drill bit needs to be held, the thread on the top of the heavy core drill bit is sleeved on the connecting stud on the core drilling machine in a bit mode, the whole screwing process needs to be changed and supported against the drill body continuously, and the later replacement process is the same as the process, so that the core drill bit is difficult to detach and replace.

Therefore, it is necessary to provide a new core bit for asphalt pavement to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide one kind can make things convenient for people to install, the special core bit of getting of comparatively laborsaving bituminous paving.

In order to solve the technical problem, the utility model provides a special coring bit of bituminous paving includes: bore body and the square of setting in the body top, the below of boring the body is equipped with connects the cover soon, the bottom fixed mounting who connects the cover soon has a plurality of brill tool bits, the annular has been seted up to the bottom of boring the body, the internal thread of annular installs the internal thread cover, the bottom of internal thread cover with connect cover fixed connection soon, the top fixed mounting of boring the body has the connector, the square groove has been seted up at the top of connector, the caulking groove has all been seted up to four sides of square, rotate on the square and install two-way screw rod, two connecting band plate is threaded on and is installed two equal fixed mounting in one side that is close to each other has the caulking post, two one side that the caulking post is close to each other all extends to corresponding in the caulking groove, just the caulking post with connector swing joint.

Preferably, two the screens groove has all been seted up at the top of continuous band plate, sliding sleeve is equipped with the slip cap on the square column, the bottom fixed mounting of slip cap has two screens posts, two the bottom of screens post all extends to corresponding the screens inslot.

Preferably, the top of square post fixed mounting has the connection panel beating.

Preferably, both sides of square post all fixed mounting have a limit pole, two limit pole all run through the correspondence the company's band plate and with correspond company's band plate sliding connection.

Preferably, the bottom fixed mounting who connects the panel beating has two slide bars, two the slide bar all runs through slip joint cover and with slip joint cover sliding connection, two all the cover is equipped with the spring on the slide bar, the top of spring with connect panel beating fixed connection, the bottom of spring with slip joint cover fixed connection.

Preferably, a connecting piece is fixedly sleeved on the square column, and the two sliding rods and the spring penetrate through the connecting piece and are movably connected with the connecting piece.

Preferably, the two sides of the sliding sleeve are fixedly provided with a first wedge block, the bottom of the connecting piece is fixedly provided with two elastic pieces, one side of each elastic piece close to the other side of the sliding sleeve is fixedly provided with a second wedge block, and the first wedge block is matched with the second wedge block.

Compared with the prior art, the utility model provides a special core bit of getting of bituminous paving has following beneficial effect:

the utility model provides a special core bit of getting of bituminous paving, through the grafting between connector and the square post that sets up, thereby can be when changing the brill body, only need one hand to hold in the palm the brill body, mention the slip joint cover earlier on the other hand, then rotate two-way screw rod alright, the whole process of changing of tearing open is simple swift, compare in the continuous rotatory dismouting of traditional people, this formula need not artifical constantly handoff and supports the brill body, alright easily trade the brill body of tearing open, the manpower has been saved to a certain extent, and utilize the screw-thread fit between internal thread bush and the brill body, alright under the condition that need not to change the brill body, change the brill head of wearing and tearing, and the manufacturing cost can be saved.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of the core bit for asphalt pavement according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of the portion B shown in FIG. 1;

FIG. 4 is an enlarged view of the portion C shown in FIG. 3;

fig. 5 is a schematic perspective view of a square column in the present invention.

Reference numbers in the figures: 1. drilling a body; 2. screwing and sleeving; 3. drilling a cutter head; 4. a ring groove; 5. an internal thread sleeve; 6. a square column; 7. a connector; 8. a square groove; 9. caulking grooves; 10. a bidirectional screw; 11. a belt connecting plate; 12. embedding a column; 13. a clamping groove; 14. a sliding sleeve; 15. a position clamping column; 16. and (5) connecting metal plates.

Detailed Description

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

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, wherein fig. 1 is a schematic structural view of a preferred embodiment of the core bit for asphalt pavement according to the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; FIG. 3 is an enlarged view of the portion B shown in FIG. 1; FIG. 4 is an enlarged view of the portion C shown in FIG. 3; fig. 5 is a schematic perspective view of a square column in the present invention. The special core bit that coring of bituminous paving includes: bore body 1 and the square 6 of setting in the drilling body 1 top, be fixed with connection panel beating 16 at the top of square 6, it is fixed with the rotating head on the core machine is got to the outside through this connection panel beating 16, and fixed mode is thread tightening, in addition, be equipped with in the below of drilling body 1 and connect cover 2 soon, be fixed with a plurality of brill tool bits 3 in the bottom of connecting cover 2 soon, and set up the inner wall in the bottom of drilling body 1 and be the annular 4 of screw thread, the thread bush is equipped with interior thread bush 5 in annular 4, the bottom of interior thread bush 5 with connect cover 2 fixed connection soon, just so can be convenient change drilling tool bit 3 alone, need not change whole drilling body 1, thereby manufacturing cost has been saved to a certain extent.

In the above manner, in order to reliably fix the drill body 1 and the square column 6, specifically, the top of the drill body 1 is fixed with the connector 7, the top of the connector 7 is provided with the square groove 8, four sides of the square column 6 are provided with the caulking grooves 9, the square column 6 is rotatably provided with the bidirectional screw 10, the bidirectional screw 10 is formed by two sections of threads with opposite rotation directions, the two sections of threads are provided with the connecting plates 11 by threads, both sides of the square column 6 are fixed with the limiting rods, the two limiting rods penetrate through the corresponding connecting plates 11 and are slidably connected with the corresponding connecting plates 11, so that the movement mode of the connecting plates 11 can be limited, so that the two connecting plates 11 can smoothly form linear movement close to or back to back, in addition, the side where the two connecting plates 11 are close to each other is fixed with the caulking columns 12, the side where the two caulking columns 12 are close to each other extends into the corresponding caulking grooves 9, the size of the caulking columns 12 and the size of the caulking grooves 9 are matched, the two caulking columns 12 can be in a contact state, the caulking columns 12 can be in contact with the four sides of the caulking columns 9, and the four caulking columns can be smoothly connected with the four movable holes 9, and the four caulking columns 7, and the four movable holes can be respectively and the four caulking holes can be connected with the four movable holes 12 when the four movable holes in a mounting process is required.

In this mode, in order to restrict the tie plate 11, prevent that the two-way screw 10 from taking place the natural rotation, specifically, the screens groove 13 has all been seted up at the top of two tie plates 11, and sliding sleeve is equipped with slip sleeve 14 on the square column 6, and the bottom of slip sleeve 14 is fixed with two screens posts 15, and the bottom of two screens posts 15 all extends to the screens inslot 13 that corresponds, like this alright form the ascending restriction of left right side to tie plate 11.

In this mode, in order to form the elastic jacking force on the sliding sleeve 14, specifically, two sliding rods are fixed at the bottom of the connecting metal plate 16, the two sliding rods penetrate through the sliding sleeve 14 and are in sliding connection with the sliding sleeve 14, springs are sleeved on the two sliding rods, the top ends of the springs are fixedly connected with the connecting metal plate 16, the bottom ends of the springs are fixedly connected with the sliding sleeve 14, the elastic jacking force can be formed on the sliding sleeve 14 through the elastic force of the springs, and the clamping posts 15 can be tightly inserted into the clamping grooves 13.

And, the fixed cover is equipped with the linking piece on square column 6, and the linking piece is located and connects panel beating 16 and sliding connection cover 14 between, and has seted up two on the linking piece and dodge the mouth, and two slide bars and spring all run through the corresponding dodge the mouth and with the corresponding dodge mouthful swing joint.

In the present embodiment, in order to temporarily limit the sliding sleeve 14, so that people can vacate hands to operate the bidirectional screw 10, specifically, the two sides of the sliding sleeve 14 are both fixed with the first wedge block, the bottom of the connecting piece is fixed with two elastic members, the elastic members are made of spring steel with better elasticity, the side of the two elastic members close to each other is both fixed with the second wedge block, and the first wedge block is matched with the second wedge block.

The utility model provides a special core bit is got to bituminous paving's theory of operation as follows:

in the device, the connecting metal plate 16 is connected with a rotating shaft on the core extractor, so that the rotation can be smoothly formed;

when the drill bit 3 is worn seriously due to long-term use and needs to be replaced, the screwing sleeve 2 can be rotated, the internal thread sleeve 5 is screwed out, then a new screwing sleeve 2 is replaced, and the internal thread sleeve 5 on the screwing sleeve is screwed into the annular groove 4 again, so that the drill bit 3 can be replaced quickly;

if the drill body 1 with different diameters needs to be replaced later, one hand supports the drill body 1, the other hand lifts the sliding sleeve 14 upwards to bring the two clamping columns 15 out of the corresponding clamping grooves 13, the two springs are stressed and compressed in the lifting process, the first wedge block rises along with the sliding sleeve 14, the first wedge block and the second wedge block are abutted and slide when contacting the second wedge block, the second wedge block is jacked up through the elastic action of the elastic piece, the second wedge block is finally positioned below the first wedge block to clamp the sliding sleeve 14, then the two-way screw 10 is rotated clockwise by the hand, the two connecting plates 11 move in the directions away from each other along with the two embedded columns 12 by utilizing the threaded relation of the two connecting plates 11, the connecting plates are finally moved out of the connecting head 7, at the moment, the limiting between the connecting head 7 and the square column 6 is lost, then the drill body 1 is directly pulled out, the drill body 1 with the corresponding diameter is replaced, the drill body 1 with the clamping columns 7 with the corresponding diameter is moved upwards, then the square column 6 is rotated anticlockwise, the two clamping blocks are finally inserted into the clamping grooves 13, the clamping sleeve 14, the two clamping blocks are finally, the two clamping blocks are pressed into the clamping grooves 13, and the two clamping blocks are reliably pressed into the clamping grooves, and the two clamping grooves 13, and the two clamping blocks are pressed into the pavement.

Compared with the prior art, the utility model provides a special core bit of getting of bituminous paving has following beneficial effect:

the utility model provides a special core bit of getting of bituminous paving, through the grafting between connector 7 and the square 6 that set up, thereby can be when changing bore body 1, only need one hand to hold in the palm and bore body 1, mention sliding sleeve 14 earlier on the other hand, then rotate two-way screw rod 10 alright, the whole process of changing of tearing open is simple swift, compare in the continuous rotatory dismouting of traditional people, this formula need not artifical continuous handoff and supports and bore body 1, alright easily trade bore body 1, the manpower has been saved to a certain extent, and utilize the screw-thread fit between internal thread bush 5 and the bore body 1, alright under the condition that need not to change and bore body 1, change the brill tool bit 3 of wearing and tearing, can practice thrift manufacturing cost.

The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.

Claims (7)

1. The utility model provides a special core drill bit of getting of bituminous paving, includes boring the body and sets up the square above boring the body, its characterized in that, the below of boring the body is equipped with connects the cover soon, the bottom fixed mounting who connects the cover soon has a plurality of brill tool bits, the annular has been seted up to the bottom of boring the body, the internal thread cover is installed to the annular internal thread, the bottom of internal thread cover with connect cover fixed connection soon, the top fixed mounting who bores the body has the connector, the square groove has been seted up at the top of connector, the caulking groove has all been seted up to four sides of square, rotate on the square and install two-way screw rod, two connecting plates, two are installed to two screw thread on the two-way screw rod the equal fixed mounting in one side that connecting plates are close to each other has the caulking column, two one side that the caulking column is close to each other all extends to corresponding in the caulking groove, just the caulking column with connector swing joint.

2. The special core bit that gets of bituminous paving of claim 1, characterized in that, screens groove has all been seted up at two the top of even band plate, sliding sleeve is equipped with slip sleeve on the square post, slip sleeve's bottom fixed mounting has two screens posts, two the bottom of screens post all extends to the correspondence in the screens inslot.

3. The coring bit special for asphalt pavements according to claim 2, wherein a connecting sheet metal is fixedly mounted at the top of the square column.

4. The core bit special for the bituminous paving according to claim 1, wherein a limiting rod is fixedly mounted on each of two sides of the square column, and the two limiting rods penetrate through and are slidably connected with the corresponding connecting plates.

5. The coring bit special for asphalt pavements according to claim 3, wherein two sliding rods are fixedly mounted at the bottom of the connecting metal plate, the two sliding rods penetrate through the sliding sleeve and are slidably connected with the sliding sleeve, a spring is sleeved on each of the two sliding rods, the top end of the spring is fixedly connected with the connecting metal plate, and the bottom end of the spring is fixedly connected with the sliding sleeve.

6. The core bit special for the bituminous paving according to claim 5, wherein a connecting piece is fixedly sleeved on the square column, and the two sliding rods and the spring both penetrate through the connecting piece and are movably connected with the connecting piece.

7. The core bit special for the asphalt pavement as set forth in claim 6, wherein a first wedge block is fixedly mounted on each of both sides of said slip sleeve, two elastic members are fixedly mounted on the bottom of said engagement piece, a second wedge block is fixedly mounted on each of the sides of said two elastic members which are close to each other, and said first wedge block is adapted to said second wedge block.

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