CN213330930U

CN213330930U - Special drill rod for single-shaft double-pipe high-spraying stirring composite pile

Info

Publication number: CN213330930U
Application number: CN202022334321.9U
Authority: CN
Inventors: 姚子健; 许冰倩; 黄先钧
Original assignee: Dongguan Guangqu Construction Engineering Co ltd
Current assignee: Dongguan Guangqu Construction Engineering Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-06-01
Anticipated expiration: 2030-10-19

Abstract

The application relates to a single-shaft double-pipe high-spraying stirring composite pile special drill rod, which comprises a fixing frame, a first drill rod, a second drill rod and a third drill rod, wherein the first drill rod, the second drill rod and the third drill rod are respectively provided with a core pipe, the lower side of each core pipe is fixedly connected with a sleeve, the sleeve and the core pipe are coaxially arranged, the upper side of each core pipe is fixedly connected with a supporting plate, the upper side of each supporting plate is provided with a sliding groove for embedding and sliding of a lantern ring, one side, away from the core pipe, of the lantern ring is integrally provided with a butting block, a fixture block is further fixed on the supporting plate, the fixture block is arranged at the opening of the sliding groove; still be equipped with on the supporting disk and lock the butt piece in the locking subassembly of fixture block downside. This application has and need not repeated threaded connection bolt and nut many times, can improve the assembly efficiency of the special drilling rod of the double-barrelled high-pressure shotcrete stirring composite pile of unipolar with fixed connection between mount, first drilling rod, second drilling rod and the third drilling rod, labour saving and time saving's effect.

Description

Special drill rod for single-shaft double-pipe high-spraying stirring composite pile

Technical Field

The application relates to the field of stirring stake machines, especially relates to a special drilling rod of double-barrelled height of unipolar stirring composite pile.

Background

The deep cement mixing pile technology is that the cement slurry curing agent is sprayed into the reinforced soft soil with high pressure during the drilling process by the deep mixing pile machine, and the curing agent and the in-situ soft soil are forcibly mixed in situ by means of the rotation of the mechanically specially made drill bit blade. The curing agent is subjected to a series of physical and chemical reactions, so that the original soil of the pile position is hardened from soft to hard, and a pile body with good integrity, strong water stability and high bearing capacity is formed.

In the related art, chinese patent with publication number CN209742804U discloses a special drill rod for a single-shaft double-pipe high-pressure jet mixing composite pile, which comprises a first drill rod, a second drill rod and a third drill rod, wherein the first drill rod, the second drill rod and the third drill rod are sequentially and fixedly connected through a flange plate from top to bottom, the first drill rod, the second drill rod and the third drill rod are all central pipe cores and provided with core pipes, a plurality of mixing blades are fixed on the outer walls of the core pipes of the second drill rod, and a plurality of helical blades are fixed on the outer walls of the core pipes of the third drill rod. The mixing blade and the helical blade are matched for use, so that the soil layer with hard geology is easier to penetrate, the drilling speed is higher, and the cement and the soil are easy to be uniformly mixed; the first drill rod, the second drill rod and the third drill rod are fixedly connected through the flange plate in sequence, and can be detached at any time to reduce or increase the number of the first drill rod, the second drill rod and the third drill rod to change the overall length of the drill rods when in use; in addition, when one drill rod is damaged, only the drill rod needs to be replaced, and the cost is saved.

In view of the above-mentioned related technologies, the inventor believes that the first drill rod, the second drill rod and the third drill rod are fixedly connected through flanges in sequence from top to bottom, and fixing each flange requires screwing in a plurality of bolts and nuts, which is time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

In order to improve first drilling rod, second drilling rod and third drilling rod from the top down and loop through ring flange fixed connection, fixed each ring flange need be screwed into a plurality of bolts and nuts, the defect that wastes time and energy, this application provides a special drilling rod of double-barrelled high-pressure jet mixing composite pile of unipolar.

The application provides a pair of special drilling rod of double-barrelled high stirring composite pile that spouts of unipolar adopts following technical scheme:

the utility model provides a double-barrelled high stirring composite pile that spouts of unipolar, includes mount, first drilling rod, second drilling rod and third drilling rod all have the core pipe, be fixed with the fixed disk on the inside wall of core pipe, the center pipe wears to locate on the fixed disk, the downside of mount, first drilling rod, second drilling rod and third drilling rod all fixedly connected with sleeve, the sleeve is coaxial with the core pipe and sets up, the upside of first drilling rod, second drilling rod and third drilling rod all fixedly connected with supporting disk, the upside of supporting disk is equipped with the sliding groove that supplies the sleeve to inlay to establish and slide, the sleeve is kept away from the integrative butt piece that is equipped with of one side of core pipe, still be fixed with the fixture block on the supporting disk, the fixture block is located the opening part in sliding groove, butt piece butt in the fixture block is close to one side in sliding groove;

and the supporting plate is also provided with a locking component for locking the abutting block on the lower side of the clamping block.

Through adopting above-mentioned technical scheme, the mount, first drilling rod, sleeve on second drilling rod and the third drilling rod inlays to establish and slides in the inslot that slides, the butt piece slides in the inslot that slides from the part that the groove of sliding does not have the fixture block, then rotate the sleeve, make the butt piece be located the downside of fixture block, butt piece butt in the downside of fixture block, locking Assembly makes the butt piece be difficult for breaking away from the downside of fixture block, need not repetition threaded connection bolt and nut many times, can be with the mount, first drilling rod, fixed connection between second drilling rod and the third drilling rod, the assembly efficiency of the special drilling rod of the double-barrelled high stirring composite pile that spouts of unipolar has been improved, time saving and labor saving.

Optionally, the locking assembly includes a support frame and a locking rod, the support frame is fixedly connected to one side of the fixture block away from the abutting block, and the locking rod sequentially penetrates through the support frame, the fixture block, the abutting block and the support plate.

Through adopting above-mentioned technical scheme, when the butt piece is located the fixture block downside, the locking lever wears to locate support frame, fixture block, butt piece and supporting disk in proper order on for the butt piece is difficult to slide along the circumference in the groove that slides and leads to the butt piece to keep away from the downside of fixture block, has improved fixed connection's stability between mount, first drilling rod, second drilling rod and the third drilling rod.

Optionally, the locking rod penetrates through the supporting plate and extends to one side, far away from the sleeve, of the supporting plate, the locking rod is fixedly connected with a first limiting block and a second limiting block, the first limiting block abuts against one side, far away from the clamping block, of the supporting frame, and the second limiting block is arranged between the supporting frame and the clamping block.

Through adopting above-mentioned technical scheme, the setting of first stopper and second stopper for the locking lever is difficult for keeping away from the one side of fixture block and is difficult for keeping away from the supporting disk from one side of support block and break away from and lose from the supporting disk, has improved the life of locking lever.

Optionally, a compression spring is further sleeved on the locking rod, one end of the compression spring abuts against the support frame, and the other end of the compression spring abuts against the second limiting block.

Through adopting above-mentioned technical scheme, compression spring's setting need not artificial holding locking lever and inserts the locking lever in support frame, fixture block, butt joint piece and the supporting disk in proper order and make the locking lever difficult for breaking away from the butt joint piece under the unmanned effect, has improved the locking efficiency of locking lever.

Optionally, the locking subassembly includes lockplate, all be equipped with on supporting disk and the sleeve and supply the lockplate to inlay the locking groove of establishing and sliding, the quantity that locks the groove is four, four the both ends of fixture block are located respectively to the locking groove.

Through adopting above-mentioned technical scheme, lockplate inserts the locking inslot, blockades the both ends of fixture block for the butt piece is difficult for breaking away from the downside of fixture block, has improved fixed connection's between mount, first drilling rod, second drilling rod and the third drilling rod stability.

Optionally, the two inner side walls of the locking groove are provided with guide surfaces.

Through adopting above-mentioned technical scheme, the setting of spigot surface guides lockplate slip in the locking groove, has improved the locking efficiency of lockplate.

Optionally, a cover plate covering the opening of the sliding groove is further arranged on the supporting plate.

Through adopting above-mentioned technical scheme, the setting of apron, the opening lid that the cooperation fixture block will slide the groove closes for external cement thick liquid is difficult for falling into the inslot that slides, makes the inslot that slides keep clean as far as, has improved the life of mount, first drilling rod, second drilling rod and third drilling rod.

Optionally, the sleeve is fixedly connected with a magnetic sheet, and one side of the cover plate close to the sleeve is abutted to the magnetic sheet.

Through adopting above-mentioned technical scheme, the setting of magnetic sheet for the apron is difficult for opening under the artificial effect, has improved the apron and has covered the stability that closes the groove that slides.

Optionally, a holding piece is further fixedly connected to one side of the cover plate away from the support plate.

Through adopting above-mentioned technical scheme, the area of gripping of apron has been increased in the setting of gripping, and convenience of customers operates the apron through operation gripping, has improved the efficiency that the apron was opened or was covered and close.

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

1. the fixing frame, the first drill rod, the second drill rod and the third drill rod can be fixedly connected without repeatedly connecting the bolts and the nuts in a threaded manner, so that the assembly efficiency of the special drill rod for the single-shaft double-pipe high-spraying stirring composite pile is improved, and the time and the labor are saved;

2. the locking rod sequentially penetrates through the support frame, the clamping block, the abutting block and the support plate, so that the abutting block is not easy to slide along the circumferential direction of the sliding groove to cause the abutting block to be far away from the lower side of the clamping block, and the stability of fixed connection among the fixing frame, the first drill rod, the second drill rod and the third drill rod is improved;

3. the setting of the gripping piece has increased the area of gripping of apron, and convenience of customers operates the apron through the operation gripping piece, has improved the efficiency that the apron was opened or was covered and close.

Drawings

Fig. 1 is a schematic structural diagram of a drill rod special for a single-shaft double-pipe high-pressure jet mixing composite pile in embodiment 1 of the present application.

Fig. 2 is an exploded view of the first and second drill pipes in example 1 of the present application.

Fig. 3 is a top view of the first drill rod in embodiment 1 of the present application.

Fig. 4 is a sectional view taken along the line a-a in fig. 3.

Fig. 5 is an enlarged schematic view of a portion B in fig. 4.

Fig. 6 is a schematic structural view of a first drill rod in embodiment 2 of the present application.

Fig. 7 is an enlarged schematic view of the portion C in fig. 6.

Fig. 8 is an enlarged schematic view of a portion D in fig. 6.

Description of reference numerals: 1. a fixed mount; 2. a first drill rod; 3. a second drill pipe; 4. a third drill pipe; 5. a core tube; 6. a central tube; 7. fixing the disc; 8. a support disc; 9. a sliding groove; 10. a clamping block; 11. a sleeve; 12. a butting block; 13. a locking assembly; 14. a locking lever; 15. a first stopper; 16. a second limiting block; 17. a compression spring; 18. a support frame; 19. embedding a groove; 20. a locking plate; 21. a locking groove; 22. a guide surface; 23. inserting the groove; 24. a cover plate; 25. a grip; 26. a magnetic sheet.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses special drilling rod of single-shaft double-pipe high-pressure jet mixing composite pile.

Example 1

Referring to fig. 1, the special drill rod for the single-shaft double-pipe high-pressure jet mixing composite pile comprises a fixing frame 1, a first drill rod 2, a second drill rod 3 and a third drill rod 4.

Referring to fig. 2, each of the first drill rod 2, the second drill rod 3 and the third drill rod 4 is provided with a core tube 5 and a central tube 6, a fixed plate 7 is welded on the inner side wall of the core tube 5, the central tube 6 is positioned in the middle of the core tube 5 and penetrates through the fixed plate 7, two adjacent central tubes 6 are abutted against each other, a sleeve 11 is bonded on the lower side of each core tube 5, the sleeve 11 is arranged along the circumferential direction of the outer side wall of the core tube 5, the sleeve 11 and the core tube 5 are coaxially arranged, a supporting plate 8 is welded on the upper side of each core tube 5, a sliding groove 9 is formed in the upper side of each supporting plate 8, the sleeve 11 is embedded and slides in the sliding groove 9, abutting blocks 12 are arranged on the outer side wall of the sleeve 11, the abutting blocks 12 are arranged in a quarter of a circular arc, the number of the abutting blocks 12 is two, the two abutting blocks 12 are arranged in central symmetry, the clamping blocks 10 are also arranged in a quarter arc shape, the number of the clamping blocks 10 is two, the abutting blocks 12 are inserted into the sliding groove 9 from the part, without the clamping blocks 10, of the sliding groove 9, then the sleeve 11 is rotated, so that the abutting blocks 12 are located below the clamping blocks 10, the abutting blocks 12 abut against the clamping blocks 10, and the two adjacent core tubes 5 are not prone to being mutually far away along the length direction of the core tubes 5.

The support plate 8 is further provided with a cover plate 24, here, taking the cover plate 24 pivoted on the inner side wall of the sliding groove 9 as an example, the cover plate 24 is located between the two blocks 10 to cover the opening of the sliding groove 9 located between the two blocks 10.

The magnetic sheet 26 is bonded on the outer side wall of the sleeve 11 close to the cover plate 24, the magnetic sheet 26 is attached to the outer side wall of the sleeve 11, the cover plate 24 covers the opening of the sliding groove 9 and then abuts against the magnetic sheet 26, and therefore the cover plate 24 is not easy to open under the action of non-artificial force.

The cover plate 24 is provided with a holding member 25 at a side away from the sliding slot 9, where the holding member 25 is a holding ball, for example, so that a user can hold the holding ball to open and close the cover plate 24.

The latch 10 is further mounted with a locking member 13 for locking the abutment block 12 to the lower side of the latch 10.

Referring to fig. 4 and 5, the locking assembly 13 includes a support frame 18, a first stopper 15, a second stopper 16, a compression spring 17 and a locking rod 14, the support frame 18 is disposed in a rectangular shape, and the locking rod 14 sequentially penetrates through the support frame 18, the latch 10, the abutting block 12 and the support plate 8 and then extends to one side of the support plate 8 away from the sleeve 11, so as to lock the abutting block 12 on the lower side of the latch 10.

The first limiting block 15 is fixedly connected to one end of the locking rod 14 far away from the supporting plate 8, and the second limiting block 16 is sleeved on and fixedly connected to the locking rod 14, so that the locking rod 14 is not easy to be separated from one side of the supporting frame 18 far away from the fixture block 10.

The supporting frame 18 and the clamping block 10 are matched with an embedding groove 19, and the second limiting block 16 is located in the embedding groove 19 and abuts against the upper side of the clamping block 10, so that the locking rod 14 is not easy to be separated from one side, far away from the supporting frame 18, of the supporting plate 8.

The locking rod 14 is further sleeved with a compression spring 17, the compression spring 17 is located in the embedding groove 19, one end of the compression spring 17 abuts against the support frame 18, and the other end of the compression spring 17 abuts against the second limiting block 16 to drive the locking rod 14 to approach to one side of the support plate 8.

In this embodiment, the fixing connection may be welding or threaded connection.

The implementation principle of the embodiment 1 is as follows: the cover plate 24 is opened, the abutting block 12 on the core pipe 5 is inserted into the sliding groove 9 of the next core pipe 5, the first limiting block 15 is held to enable the locking rod 14 to be separated from the sliding groove 9, the previous core pipe 5 is rotated, the abutting block 12 on the previous core pipe 5 slides to the lower side of the clamping block 10, the first limiting block 15 is loosened, the locking rod 14 sequentially penetrates through the clamping block 10, the abutting block 12 and the supporting plate 8 and then extends to one side, far away from the supporting frame 18, of the supporting plate 8, installation is completed, the steps are sequentially repeated, and all drill rods are sequentially fixed on the fixing frame 1.

Example 2

Referring to fig. 7 and 8, the present embodiment is different from embodiment 1 in that the locking assembly 13 includes a locking plate 20, locking grooves 21 are formed on both the support plate 8 and the sleeve 11, and the locking groove 21 on the sleeve 11 extends upward to form an insertion groove 23 for facilitating insertion of the locking plate 20; the locking grooves 21 are respectively located at two sides of the fixture block 10, and two ends of the locking plate 20 are respectively embedded in the locking grooves 21 located at the same side of the fixture block 10, so that the abutting block 12 is not easy to slide after being located at the lower side of the fixture block 10.

The locking groove 21 has guide surfaces 22 on opposite side walls thereof for guiding the locking plate 20 to be inserted into the locking groove 21.

The implementation principle of the embodiment 2 is as follows: the cover plate 24 is opened, the abutting block 12 on the core tube 5 is inserted into the sliding groove 9 of the next core tube 5, the locking plate 20 is opened, the previous core tube 5 is rotated, the abutting block 12 on the previous core tube 5 slides to the lower side of the clamping block 10, after the two locking plates 20 are respectively inserted into the locking grooves 21 on the sleeve 11, the locking grooves 21 on the supporting plate 8 are continuously inserted along the length direction of the locking grooves 21, one installation is completed, the steps are sequentially repeated, and all drill rods are sequentially fixed on the fixing frame 1.

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 special drilling rod of double-barrelled high stirring composite pile that spouts of unipolar, includes mount (1), first drilling rod (2), second drilling rod (3) and third drilling rod (4) all have core pipe (5) and center tube (6), its characterized in that: a fixed disc (7) is fixed on the inner side wall of the core tube (5), the central tube (6) is arranged on the fixed disc (7) in a penetrating way, the lower sides of the fixed frame (1), the first drill rod (2), the second drill rod (3) and the third drill rod (4) are all fixedly connected with sleeves (11), the sleeve (11) and the core pipe (5) are coaxially arranged, the upper sides of the first drill rod (2), the second drill rod (3) and the third drill rod (4) are fixedly connected with a supporting plate (8), the upper side of the supporting disk (8) is provided with a sliding groove (9) for the sleeve (11) to be embedded and slid, one side of the sleeve (11) far away from the core pipe (5) is integrally provided with a butting block (12), a clamping block (10) is also fixed on the supporting disk (8), the clamping block (10) is arranged at the opening of the sliding groove (9), the abutting block (12) abuts against one side, close to the sliding groove (9), of the fixture block (10);

and a locking assembly (13) for locking the abutting block (12) on the lower side of the clamping block (10) is further arranged on the supporting plate (8).

2. The special drill rod for the single-shaft double-pipe high-spraying stirring composite pile as claimed in claim 1, wherein the drill rod comprises: the locking assembly (13) comprises a support frame (18) and a locking rod (14), the support frame (18) is fixedly connected to one side, away from the abutting block (12), of the clamping block (10), and the locking rod (14) penetrates through the support frame (18), the clamping block (10), the abutting block (12) and the supporting plate (8) in sequence.

3. The special drill rod for the single-shaft double-pipe high-spraying stirring composite pile as claimed in claim 2, wherein the drill rod comprises: locking lever (14) pass supporting disk (8) and extend to supporting disk (8) and keep away from one side of sleeve (11), first stopper (15) and second stopper (16) of fixedly connected with on locking lever (14), first stopper (15) butt is in one side of fixture block (10) is kept away from in support frame (18), and second stopper (16) are located between support frame (18) and fixture block (10).

4. The special drill rod for the single-shaft double-pipe high-spraying stirring composite pile as claimed in claim 3, wherein the drill rod comprises: the locking rod (14) is further sleeved with a compression spring (17), one end of the compression spring (17) is abutted to the supporting frame (18), and the other end of the compression spring (17) is abutted to the second limiting block (16).

5. The special drill rod for the single-shaft double-pipe high-spraying stirring composite pile as claimed in claim 1, wherein the drill rod comprises: locking subassembly (13) are including lockplate (20), all be equipped with on supporting disk (8) and sleeve (11) and supply lockplate (20) to inlay and establish and the locking groove (21) that slide, the quantity that locks groove (21) is four, four the both ends of fixture block (10) are located respectively to locking groove (21).

6. The special drill rod for the single-shaft double-pipe high-spraying stirring composite pile as claimed in claim 5, wherein the drill rod comprises: the two opposite inner side walls of the locking groove (21) are provided with guide surfaces (22).

7. The special drill rod for the single-shaft double-pipe high-spraying stirring composite pile as claimed in claim 1, wherein the drill rod comprises: and a cover plate (24) covering the opening of the sliding groove (9) is also arranged on the supporting disk (8).

8. The special drill rod for the single-shaft double-pipe high-spraying stirring composite pile as claimed in claim 7, wherein the drill rod comprises: the magnetic sheet (26) is fixedly connected to the sleeve (11), and one side, close to the sleeve (11), of the cover plate (24) abuts against the magnetic sheet (26).

9. The special drill rod for the single-shaft double-pipe high-spraying stirring composite pile as claimed in claim 8, wherein the drill rod comprises: one side of the cover plate (24) far away from the support plate (8) is fixedly connected with a holding piece (25).