CN220769372U - Oval gravel layer penetration equipment for prefabricated pipe pile hole guiding construction - Google Patents

Abstract

The application discloses precast tubular pile draws hole construction to use gravel layer to pierce through equipment relates to the technical field of precast tubular pile construction, including organism and rotary drum of digging soon, still include first mount pad and second mount pad, be provided with on the rotary drum of digging soon will first mount pad or the second mount pad is fixed in dig the mounting on the rotary drum soon, be provided with first drill bit on the first mount pad, be provided with the second drill bit on the second mount pad, this application has the time that can reduce the change drill bit, improves the effect of efficiency of construction.

Description

Oval gravel layer penetration equipment for prefabricated pipe pile hole guiding construction

Technical Field

The application relates to the technical field of precast tubular pile construction, in particular to a gravel layer penetrating device for precast tubular pile hole guiding construction.

Background

The prefabricated pipe pile is an engineering pile, after being driven into the ground by a pile driver, the prefabricated pipe pile can support an superstructure and improve the bearing capacity of foundation soil, wherein the PHC prefabricated pipe pile is a prestressed high-strength concrete pipe pile, and a pretensioned prestressed centrifugal forming process is adopted to prepare a hollow cylindrical concrete prefabricated component.

Before pile driving of prefabricated tubular pile, generally carry out the hole construction of leading, when leading the hole construction, construct through digging the rig soon often, dig the rig soon and include the organism soon, the organism lower extreme is provided with inside cavity top open-ended and dig the rotary drum soon, digs rotary drum lower surface slope and is fixed with digs the drill bit soon, digs the rotary drum bottom plate soon and still has offered the feed inlet, rotates and is provided with the closing plate that is used for closing the feed inlet. When the machine body drives the rotary drum to rotate during drilling, the rotary drill bit digs substances such as soil or broken stone into the rotary drum through the feeding hole, and after the rotary drum is filled with the soil broken stone, the rotary drum is lifted, and the rotary drum can be emptied on the ground to continue drilling.

To the related art among the above-mentioned, when dig the soil layer soon, dig the drill bit soon and generally use the triangle piece drill bit, the inclined plane orientation of triangle piece deviates from the one side of dig the rotary drum soon to can dig earth into dig the rotary drum soon, but when dig the ovum gravel layer soon, the triangle piece digs the drill bit tip portion soon and impaired easily, and drilling efficiency is low moreover, consequently need to change and dig the rotary drum soon that the drill bit was dug soon with cylindrical and construct, and dig the rotary drum soon general gravity is great, need consume a large amount of manpowers and time when changing, it is comparatively inconvenient.

Disclosure of Invention

In order to reduce the time of changing rotary drum and drill bit, improve the efficiency of construction, this application provides a precast tubular pile draws hole construction with gravel layer penetration equipment.

The application provides a precast tubular pile draws hole construction with gravel layer penetration equipment adopts following technical scheme:

the utility model provides a prefabricated tubular pile draws hole construction to pierce through equipment with pebble layer, includes organism and digs the rotary drum soon, still includes first mount pad and second mount pad, dig soon be provided with on the rotary drum will first mount pad or the second mount pad is fixed in dig the mounting on the rotary drum soon, be provided with first drill bit on the first mount pad, be provided with the second drill bit on the second mount pad.

Through adopting above-mentioned technical scheme, first drill bit is installed on first mount pad, and the second drill bit is installed on the second mount pad, and the mounting can be fixed in first mount pad or second mount pad on the rotary drum of digging soon, and first drill bit and second drill bit can be triangle piece drill bit and cylindrical drill bit respectively to can install two kinds of drill bits on digging soon on the rotary drum through the mounting fast, need not to dismantle the rotary drum of digging soon, and is more convenient quick, can improve the efficiency of construction.

Optionally, the first drill bit is followed first mount pad length direction is provided with a plurality of, be provided with the inserted block on the first drill bit, offer on the first mount pad confession the slot of inserted block grafting, be provided with on the first mount pad will the inserted block is fixed in retaining member in the slot.

Through adopting above-mentioned technical scheme, the retaining member can be dismantled the first drill bit and set up on first mount pad to when first drill bit receives wearing and tearing at the draw hole in-process, can change first drill bit, thereby need not to change whole first mount pad and all first drill bits, can reduce cost.

Optionally, the retaining member is a retaining bolt, a second hole through which the retaining bolt passes is formed in the insert, a thread groove through which the retaining bolt is screwed is formed in the first mounting seat, and the retaining bolt can pass through the second hole and is screwed with the thread groove on the first mounting seat.

Through adopting above-mentioned technical scheme, the locking bolt can be comparatively stably installed first drill bit on first mount pad.

Optionally, a second connecting block is arranged on the second drill bit, and a plurality of second connecting grooves for the threaded connection of the second connecting block are formed in the second mounting seat along the length direction of the second mounting seat.

By adopting the technical scheme, the second connecting block is connected in the second connecting groove in a threaded manner, so that the second drill bit can be detachably fixed on the second mounting seat; and simultaneously when the second drill bit is worn, a single second drill bit can be replaced.

Optionally, the second mounting seat is provided with a holding groove for the second drill bit to be clamped, the holding groove is communicated with the second connecting groove and is provided with annular strips in a one-to-one correspondence manner, and the second drill bit is provided with a first annular groove for the annular strips to be clamped.

Through adopting above-mentioned technical scheme, with the partial joint of second drill bit in the holding tank to with first annular strip joint in first annular, thereby can play sealed effect, reduce the possibility that digs in-process soil entering second spread groove soon.

Optionally, a plurality of sealed covers can be dismantled to be provided with on the second mount pad, sealed cover can the joint in the holding tank, sealed lid lateral wall has seted up the confession the second annular of ring strip joint.

Through adopting above-mentioned technical scheme, adjust quantity on the second drill bit second mount pad, can change the interval between two adjacent second drill bits to adapt to different stone layers, the holding tank of second drill bit is not installed simultaneously, can carry out the shutoff through sealed lid, in order to restrict soil entering second spread groove.

Optionally, the first mount pad with all be provided with first connecting block on the second mount pad, dig soon and offer on the rotary drum and supply first connecting block grafting first spread groove, the mounting can with first connecting block is fixed in the first spread groove.

Through adopting above-mentioned technical scheme, the mounting is fixed in first connecting block in the first spread groove, can be fixed in first mount pad or second mount pad and dig the rotary drum soon.

Optionally, the fixing piece includes fixing bolt, offer on the first connecting block and supply fixing bolt wears to establish first hole, fixing bolt can wear to establish first hole and with dig rotary drum threaded connection soon.

Through adopting above-mentioned technical scheme, first hole and dig rotary drum threaded connection in the rotation are worn to establish by first bolt, can be with first mount pad or second mount pad comparatively stably be fixed in dig on the rotary drum soon.

Optionally, the fixing piece further includes a fixing piece, the fixing bolt can pass through the fixing piece, and the fixing piece is provided with a plurality of along the interval of first connecting block length direction.

By adopting the technical scheme, the plurality of fixing pieces can improve the stability of the first mounting seat or the second mounting seat fixed on the rotary digging drum; the stationary blade can improve fixing bolt threaded connection's intensity on dig the rotary drum soon.

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

1. the first mounting seat or the second mounting seat is detachably fixed on the rotary digging drum through the fixing bolts, and in the hole guiding construction, the difficulty of replacing the drill bit can be reduced, so that the construction efficiency is improved;

2. through can dismantle first drill bit be fixed in on the first mount pad, the second drill bit can dismantle be fixed in on the second mount pad to when first drill bit or second drill bit take place the damage, can change single first drill bit or second drill bit, maintenance cost is lower.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present application;

FIG. 2 is a schematic view of the mounting structure of the first drill bit;

FIG. 3 is a schematic view of an exploded construction of a first drill bit;

FIG. 4 is a schematic view of the mounting structure of a second drill bit;

fig. 5 is a schematic view of an exploded construction of a second drill bit.

Reference numerals illustrate: 1. a body; 2. rotary digging drum; 3. a first mount; 31. a first drill bit; 311. inserting blocks; 312. a second hole; 32. a slot; 4. a second mounting base; 41. a second drill bit; 411. a second connection block; 412. a first ring groove; 42. a second connecting groove; 43. a receiving groove; 44. a ring strip; 45. sealing cover; 451. a second ring groove; 5. a fixing member; 51. a fixing bolt; 52. a fixing piece; 6. a locking member; 61. a locking bolt; 7. a first connection block; 71. a first aperture.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses gravel layer penetrating equipment for prefabricated pipe pile hole guiding construction. Referring to fig. 1, the penetrating apparatus includes a body 1 and a rotary drum 2 slidably connected up and down on a collective body, the rotary drum 2 is of a cylindrical structure with a hollow interior and an open upper side, and a feed inlet for soil to enter is formed in the lower surface of the rotary drum 2.

Referring to fig. 2 and 4, the penetration apparatus further includes a first mounting seat 3 and a second mounting seat 4, and a fixing member 5 fixing the first mounting seat 3 or the second mounting seat 4 to the rotary drum 2, a first drill bit 31 is detachably provided on the first mounting seat 3, and a second drill bit 41 is detachably provided on the second mounting seat 4.

In this embodiment, through mounting 5 with first mount pad 3 and second mount pad 4 be fixed in dig soon rotary drum 2 on to can dig rotary drum 2 bottom fixed different drill bit soon, draw the hole during operation when dig rotary drum 2 soon and pierce through to the gravel layer from the soil layer, conveniently change the stronger drill bit of penetrability.

Referring to fig. 2 and 3, in the present embodiment, specifically, the first mounting seat 3 is disposed on the lower surface of the rotary drum 2, and the first mounting seat 3 is a block inclined toward the direction of the feed port, and the first drill bits 31 are disposed in plurality along the length direction of the first mounting seat 3. Optionally, two feed inlets of the rotary drum 2 are formed in the lower surface, the two feed inlets are centrosymmetric along the center point of the rotary drum 2, two first mounting seats 3 are arranged corresponding to the feed inlets, and the inclination directions of the two first mounting seats 3 are opposite and face the directions of the feed inlets.

Referring to fig. 2 and 3, in this embodiment, the cross section of the first drill bit 31 is triangular, the insert block 311 is fixed on the side wall of the first drill bit 31 facing the first mounting seat 3, the insert block 311 is a rectangular block, the slot 32 for inserting the insert block 311 is formed on the side wall of the first mounting seat 3 far away from the rotary dredge drum 2, the locking piece 6 for fixing the insert block 311 in the slot 32 is arranged on the first mounting seat 3, and when the insert block 311 is fixed in the slot 32, the tip end part of the first drill bit 31 is inclined towards the outer side of the feed inlet, so as to facilitate the rotary dredge soil to enter the rotary dredge drum 2.

Referring to fig. 2 and 3, in the present embodiment, a plurality of first drill bits 31 are arranged at intervals along the length direction of the first mounting base 3, and the slots 32 and the locking members 6 are arranged in one-to-one correspondence with the first drill bits 31. The locking member 6 may be a locking bolt 61, the side wall of the insert block 311 is provided with a second hole 312 through which the locking bolt 61 passes, the side wall of the first mounting seat 3 is provided with a threaded groove through which the locking bolt 61 is in threaded connection, when the insert block 311 is inserted into the slot 32, the threaded groove is aligned with the second hole 312, so that the locking bolt 61 can pass through the second hole 312 and then be in threaded connection with the threaded groove, and the insert block 311 and the first drill bit 31 are fixed on the first mounting seat 3.

Referring to fig. 3 and 5, in the present embodiment, the upper surface of the first mounting seat 3 or the second mounting seat 4 is fixed with a first connection block 7, and the first connection block 7 is a rectangular block and extends along the length direction of the first mounting seat 3. The rotary drum 2 is provided with a first connecting groove for inserting the first connecting block 7 on the lower surface, the fixing piece 5 comprises a fixing bolt 51 and a fixing piece 52, the side wall of the first connecting block 7 is provided with a first hole 71 for the fixing bolt 51 to penetrate through, the fixing bolt 51 penetrates into the rotary drum 2 from the side wall of the feed inlet side of the rotary drum 2, and the fixing bolt penetrates through the first hole 71 to be in threaded connection with the rotary drum 2, so that the first connecting block 7 is fixed on the rotary drum 2. Preferably, countersunk bolts are used for the fixing bolts 51.

Referring to fig. 2 and 4, in the present embodiment, the fixing piece 52 is a circular sheet, the fixing bolt 51 can pass through the fixing piece 52, and when the fixing bolt 51 is screwed onto the rotary drum 2, the fixing rod piece is abutted between the fixing bolt and the rotary drum 2, thereby improving the strength of the screwed connection of the fixing bolt 51. In order to enhance the fixing strength to the first connection block 7, a plurality of fixing bolts 51 are provided along the longitudinal direction of the first connection block 7, and the first holes 71 are opened in one-to-one correspondence with the fixing bolts 51.

Referring to fig. 4 and 5, in this embodiment, the second drill bit 41 is a cylinder, the end of the second drill bit 41 is in a tip structure, the second drill bit 41 is integrally formed with a second connection block 411 on one side of the second installation seat 4, the second connection block 411 is a cylinder coaxially arranged with the second drill bit 41, threads are formed on the lateral wall of the outer side of the second connection block 411, the second installation seat 4 is a block body inclined towards the direction of the feed inlet, and a second connection groove 42 for the threaded connection of the second connection block 411 is formed on the lateral wall of the second installation seat 4 on one side facing away from the rotary drum 2.

Referring to fig. 4 and 5, in this embodiment, optionally, the second mounting seat 4 is further provided with a receiving groove 43 for clamping a cylindrical portion of the second drill bit 41, the receiving groove 43 is communicated with the second connecting groove 42, and when the second connecting block 411 is screwed into the second connecting groove 42, the second drill bit 41 is partially clamped in the receiving groove 43. Be fixed with ring strip 44 on holding tank 43 week side lateral wall, ring strip 44 sets up along holding tank 43 circumference, and ring strip 44 is located the partial lateral wall of holding tank 43 and is the arc, and ring strip 44 is elastic material such as rubber, and the first annular groove 412 of confession ring strip 44 joint is offered to circumference on the second drill bit 41 lateral wall, and when second drill bit 41 is fixed in on the second mount pad 4, ring strip 44 can the joint in first annular groove 412 to carry out the draw hole in-process at second drill bit 41, in the cooperation of ring strip 44 and first annular groove 412 can restrict impurity such as earth entering second spread groove 42.

Referring to fig. 4 and 5, in the present embodiment, the second mounting base 4 is provided with a plurality of second connection grooves 42 along its length direction, and the accommodating grooves 43 are provided in one-to-one correspondence with the second connection grooves 42. The second mount pad 4 is last still to dismantle and to be provided with sealed lid 45, and sealed lid 45 cross section is circular, and sealed lid 45 can the joint in holding tank 43 for shutoff holding tank 43 and second spread groove 42, sealed lid 45 are provided with a plurality of, through sealed lid 45's cooperation, can adjust the density that second drill bit 41 connects on the second mount pad, thereby adapt to the stone of pebble layer equidimension not.

Referring to fig. 4 and 5, in the present embodiment, the side wall of the sealing cover 45 is provided with a second annular groove 451 for the annular strip 44 to be clamped, and the second annular groove 451 is circumferentially opened along the side wall of the sealing cover 45. A clamping groove which is convenient for applying force to the sealing cover 45 is formed on the side wall of one side of the sealing cover 45 away from the second connecting groove 42.

The implementation principle of the gravel layer penetrating equipment for the prefabricated pipe pile hole guiding construction is as follows: when the hole is drilled, the first drill bit 31 can be fixed on the rotary digging drum 2 through the first mounting seat 3 for construction; when the rotary excavating machine is used for rotary excavating to the pebble layer, the first mounting seat 3 is disassembled, the second mounting seat 4 is mounted on the rotary excavating drum 2 through the fixing piece 5, and the second drill bit 41 is fixed on the second mounting seat 4 at proper intervals according to the size of the pebble layer stone, so that the pebble layer can be constructed.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. The utility model provides a precast tubular pile draws hole construction to penetrate equipment with pebble layer, includes organism (1) and digs rotary drum (2), its characterized in that soon: still include first mount pad (3) and second mount pad (4), be provided with on the rotary drum (2) will first mount pad (3) or second mount pad (4) are fixed in mounting (5) on rotary drum (2), be provided with first drill bit (31) on first mount pad (3), be provided with second drill bit (41) on second mount pad (4).

2. The apparatus for the penetration of an oval gravel layer for the hole guiding construction of a precast tubular pile according to claim 1, wherein: the utility model discloses a drilling tool, including first mount pad (3) and second mount pad, first drill bit (31) are provided with a plurality of along first mount pad (3) length direction, be provided with insert block (311) on first drill bit (31), offer on first mount pad (3) insert groove (32) of insert block (311), be provided with on first mount pad (3) will insert block (311) be fixed in retaining member (6) in insert groove (32).

3. The apparatus for the penetration of an oval gravel layer for the hole guiding construction of a precast tubular pile according to claim 2, characterized in that: the locking piece (6) is a locking bolt (61), a second hole (312) for the locking bolt (61) to penetrate is formed in the inserting block (311), a thread groove for the locking bolt (61) to be in threaded connection is formed in the first mounting seat (3), and the locking bolt (61) can penetrate through the second hole (312) and is in threaded connection with the thread groove on the first mounting seat (3).

4. The apparatus for the penetration of an oval gravel layer for the hole guiding construction of a precast tubular pile according to claim 1, wherein: the second drill bit (41) is provided with a second connecting block (411), and the second mounting seat (4) is provided with a plurality of second connecting grooves (42) for the threaded connection of the second connecting block (411) along the length direction of the second mounting seat.

5. The apparatus for the perforation of an oval gravel layer for the construction of a precast tubular pile according to claim 4, wherein: the second mounting seat (4) is provided with a containing groove (43) for clamping the second drill bit (41), the containing groove (43) is communicated with the second connecting groove (42) and is arranged in a one-to-one correspondence mode, the side wall of the containing groove (43) is provided with a ring strip (44), and the side wall of the second drill bit (41) is provided with a first ring groove (412) for clamping the ring strip (44).

6. An oval gravel layer penetrating apparatus for precast tubular pile hole guiding construction according to claim 5, characterized in that: a plurality of sealing covers (45) are detachably arranged on the second mounting seat (4), the sealing covers (45) can be clamped in the accommodating grooves (43), and second annular grooves (451) for clamping the annular strips (44) are formed in the side walls of the sealing covers (45).

7. A gravel layer penetrating apparatus for precast tubular pile hole guiding construction according to any one of claims 1 to 6, characterized in that: the rotary drilling machine is characterized in that first connecting blocks (7) are arranged on the first mounting seat (3) and the second mounting seat (4), first connecting grooves for the first connecting blocks (7) to be inserted are formed in the rotary drilling rotary drum (2), and the fixing pieces (5) can fix the first connecting blocks (7) in the first connecting grooves.

8. The apparatus for the perforation of an oval gravel layer for the construction of a precast tubular pile according to claim 7, wherein: the fixing piece (5) comprises a fixing bolt (51), a first hole (71) for the fixing bolt (51) to penetrate is formed in the first connecting block (7), and the fixing bolt (51) can penetrate through the first hole (71) and is in threaded connection with the rotary digging drum (2).

9. The apparatus for the perforation of an oval gravel layer for the construction of a precast tubular pile according to claim 8, wherein: the fixing piece (5) further comprises a fixing piece (52), the fixing bolt (51) can penetrate through the fixing piece (52), and the fixing piece (5) is provided with a plurality of fixing pieces along the length direction of the first connecting block (7) at intervals.