CN204457426U - A kind of a complete set of equipment large-section in-situ concrete pile under existing building being carried out to drilling core checking - Google Patents
A kind of a complete set of equipment large-section in-situ concrete pile under existing building being carried out to drilling core checking Download PDFInfo
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- CN204457426U CN204457426U CN201420823489.8U CN201420823489U CN204457426U CN 204457426 U CN204457426 U CN 204457426U CN 201420823489 U CN201420823489 U CN 201420823489U CN 204457426 U CN204457426 U CN 204457426U
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Abstract
The utility model discloses a kind of a complete set of equipment large-section in-situ concrete pile under existing building being carried out to drilling core checking, comprise base, rig and hoisting system, described rig is provided with drilling tool, described drilling tool comprises kelly and for increasing the some driven drilling rod of drilling tool length, coring tube and drill bit, and described hoisting system comprises and is hinged on pylon on base and hoist engine; Described base is provided with the governor motion regulating its angle of inclination, described base both sides are provided with guide rail, described base is also provided with the base screw mandrel for mobile drill and hoisting system, described base screw mandrel one end is connected with drive motors, and described base screw mandrel drives rig and hoisting system along slide.The utility model adopts screw rod to regulate the angle of inclination of rig, the ball recess of footing bearing coordinates with stud base, and energy high accuracy regulates the angle of inclination of drilling rod, and the utility model degree of regulation is high, easy to operate, the work of loosing core of existing building castinplace pile can be carried out at narrow space.
Description
Technical field
The utility model belongs to technical field of building construction, is specifically related to a kind of a complete set of equipment large-section in-situ concrete pile under existing building being carried out to drilling core checking.
Background technology
Due to following, need to detect the foundation of existing building:
(1) in the process of reform and opening-up rapid economic development, because of relatively lagging behind of planning construction management, many places occur formally not reporting the construction project built in a large number, need to carry out construction engineering test qualification and confirm;
(2) to transformation and the appraisal and evaluation of old building, due to historical reasons, data loss, foundation is in confused situation
(3) under the natural causes such as earthquake, typhoon, sea water intrusion and the effect of the human factor such as overload, ship collision, may there is deterioration, damage in basis, basis also needs to identify;
(4) some build up building soon, because ground problem causes superstructure to tilt, ftractures, need equally to re-start Testing and appraisal to its basis.
For the pile foundation under existing building, because it is connected with superstructure, working space is narrow and small, and current drilling equipment, as XY-1, XY-1A, the pile foundation under existing building completely cannot be drilled through due to constructional reason, Problems existing mainly contains: 1. for needing the rig opening gyrator, and position of opening generally can only reach about 60cm from the minimum distance of post (wall), cannot close to stake end face, even if rat holing, the complete core of whole pile also cannot be obtained; 2. for base sliding churn, although post (wall) can be pressed close to, due to post (wall) obstacle, the installation and removal of drilling rod cannot be completed; 3. bore angle control ability is inadequate, beats small angle inclination hole (with plumb line angle 5 for needs
0within) situation, existing rig, owing to not having accurate leveling and measurement mechanism, cannot control required angle of inclination accurately.
Utility model content
The utility model is in order to solve existing building narrow space, be difficult to the technical problem of taking out complete castinplace pile core, a kind of adjustable-angle, inclined drilling be provided, a complete set of equipment large-section in-situ concrete pile under existing building being carried out to drilling core checking of complete core can be taken out at small space.
In order to solve the problem, the utility model is achieved by following technical scheme:
A complete set of equipment large-section in-situ concrete pile under existing building being carried out to drilling core checking described in the utility model, comprise base, rig and hoisting system, described rig is provided with drilling tool, described drilling tool comprises the kelly that connects successively and enters driven drilling rod, coring tube and the drill bit in boring, and described hoisting system comprises and is hinged on pylon on base and hoist engine; Described base is provided with the governor motion regulating its angle of inclination, described base both sides are provided with guide rail, described base is also provided with the base screw mandrel for mobile drill, described base screw mandrel one end is connected with drive motors, and described base screw mandrel drives rig along slide.
Further, described governor motion comprises the adjusting bolt hole be arranged on base, the screw rod coordinated with adjusting bolt hole and the retaining mechanism for tie down screw; The bottom of described screw rod is spheric end, is provided with the footing bearing coordinated with described spheric end bottom described screw rod, and described footing bearing settlement has the indent spherical groove coordinated with described spheric end.
Further, described retaining mechanism comprises the locking nut being arranged on locking bed corresponding with adjusting bolt hole on base and coordinating with described locking bed, described locking nut is provided with the installing hole installing screw rod, one end that described screw rod coordinates with the installing hole of locking nut is provided with locking plane, match with the cross section of screw rod in the cross section of described installing hole, described locking bed is provided with positioning tooth, described locking nut is provided with the fixed teeth coordinated with the positioning tooth of described locking bed, described locking nut radial direction is provided with bolt hole, described bolt hole is provided with lock bolt.
Further, described rig is vertical shaft type slewing drilling machine, drives drilling tool revolution.Described kelly and driven drilling rod are by screwed connection, and described kelly is provided with through-core hole, described rig is also provided with water inlet pipe, described water inlet pipe is connected with the through-core hole of kelly.
Further, described kelly length L
3≤ U-L'
1-L
2, during perforate, perforate coring tube length and the length of the bit sum L
4≤ L'
1; Each round trip drilling depth K≤U-L
1-L
2, when normally creeping into, described coring tube length L
5>=K, described driven run of steel is design the integral multiple of footage per round trip when normally creeping into, and wherein U is working space height, L
1for rig ox head top terrain clearance, L
1' be height liftoff bottom rig ox head, L
2for water inlet pipe and kelly joint distance.
Further, described base is provided with the inclinator for measuring rig vertical shaft angle of slope, for detecting the angle of inclination of rig vertical shaft.
Further, described base is provided with circular bubble, for detecting the level of base.
Further, described rig is provided with the slow-speed of revolution high torque reversal shelves, for the driven drilling rod of auxiliary dismounting.
Large-section in-situ concrete pile under existing building is carried out to a method for drilling core checking, comprising:
(1) rigging up, make the post (wall) of position of opening as far as possible above stake top, determine required inclination alpha of holing, its maximum occurrences is
wherein D is stake diameter, and d is the distance on drill center and stake limit, and H is that stake is long, and h is cushion cap height;
(2) screw rod on adjusting base, makes base be horizontally disposed with, if now the initial tilt of kelly is θ, its by the base longitudinal axis along the projection θ in vertical plane
1, being θ by base transverse axis along the inclination angle in vertical plane
2;
(3) drilling tool is eliminated at transverse axis along vertical plane angle theta
2, inclinator is vertically placed on base and is positioned at described rig vertical shaft lateral location, the screw rod on adjusting base, until inclinator instruction kelly is being 0 by base transverse axis along the inclination angle in vertical plane; The number of turns N of rotary support c screw rod
2estimate by formula:
base cross shaft surface adjustable slanted angle when wherein δ is screw rod rotation 1 circle, X is the pitch of screw rod, and B is the distance between base transverse axis screw rod;
(4) drilling tool is eliminated at the longitudinal axis along vertical plane angle theta
1, and adjust kelly to required inclination alpha; Inclinator is laterally placed on base and is positioned at described rig vertical shaft front position, adjusting screw(rod), until inclinator instruction kelly is being α by the base longitudinal axis along the inclination angle in vertical plane; The number of turns N of rotary screw
1estimate by formula:
the inclination angle that wherein rig of α is maximum, the adjustable slanted angle in base longitudinal axis face when β is screw rod rotation 1 circle, X is the pitch of screw rod, and L is the distance before and after base between screw rod;
(5), after adjusting kelly to appointment tilt angle alpha, locking nut is engaged fixing with base, and by radial bolts tie down screw;
(6) install driven kelly, coring tube and drill bit, described rig drives in drilling tool inclined drilling large-section in-situ concrete pile;
(7) drilling tool creeps into the length to core is the degree of depth L of coring tube
5after, stop creeping into; By hoisting system carries drilling tool, the connection of loose unloading kelly and driven drilling rod, uses rig low speed and large torque anti-converting to dismantle kelly and driven drilling rod completely; Rig substructure screw mandrel drives rig to move after slide rail, and driven drilling rod takes out by hoisting system, takes out core;
(8) utilize hoist engine again to be connected by the driven drilling rod of appropriate length and put into boring, screw mandrel drives rig to move forward along slide rail, connects kelly and driven drilling rod, starts rig and get core;
(9) repeat step (7), (8), until the sampling of loosing core completing whole pile.
Further, in described step (5), be provided with fixed teeth bottom described locking nut, the position of described floor installation screw rod is provided with the locking bed coordinated with the fixed teeth of locking nut.
Further, transverse axis is eliminated in described step (3) along vertical plane angle theta
2, by unsettled bearing b, regulate the screw rod of bearing c, make inclinator indicate kelly being 0 by base transverse axis along the inclination angle in vertical plane; The longitudinal axis is eliminated along vertical plane angle theta in described step (4)
1, by unsettled bearing b, regulate the screw rod of bearing a, make inclinator indicate kelly being α by the base longitudinal axis along the inclination angle in vertical plane.
Compared with prior art, the beneficial effects of the utility model are:
The utility model adopts screw rod to regulate the angle of inclination of rig, the ball recess of footing bearing coordinates with stud base spheric end, to place strong adaptability, energy high accuracy regulates the angle of inclination of drilling rod, the application of base screw mandrel, rig is driven to move forward and backward along guide rail, make rig can fully near post (wall), be convenient to again load and unload drilling rod, tower height is adapted to the short spaces such as basement, use flexibly, can narrow space be adapted to, make the utility model also can complete the complete core of bored concrete pile foundation in short space and extract.The utility model structure is simple, operates easy for installation, safe and reliable, can carry out the extraction core work of existing building castinplace pile well.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail, wherein:
Fig. 1 is front view large-section in-situ concrete pile under existing building being carried out to a complete set of equipment of drilling core checking described in the utility model;
Fig. 2 is top view large-section in-situ concrete pile under existing building being carried out to a complete set of equipment of drilling core checking described in the utility model;
Fig. 3 is kelly inclination angle schematic diagram large-section in-situ concrete pile under existing building being carried out to a complete set of equipment of drilling core checking described in the utility model;
Fig. 4 understructure schematic diagram large-section in-situ concrete pile under existing building being carried out to a complete set of equipment of drilling core checking described in the utility model.
In figure: 1-rig, 2-pylon, 21-support, 22-support bar, 3-base, 31-locking bed, 4-base screw mandrel, 5-guide rail, 6-locking nut, 61-fixed teeth, 62-bolt hole, 7-screw rod, 71-ball-type end, 72-locks plane, 8-footing bearing, concave sphere groove in 81-, 9-lock bolt, 10-inclinator, 11-circular bubble, 12-hoisting system, 13-wire rope, 14-drilling rod, 15-castinplace pile, 16-wall, 17-water inlet pipe.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the utility model, and be not used in restriction the utility model.
As shown in Figure 1 to 4, a complete set of equipment large-section in-situ concrete pile under existing building being carried out to drilling core checking of the present invention, comprise base 3, rig on the base 3 and hoisting system 12 are set, described hoisting system 12 comprises the hoist engine be arranged on rig and the pylon 2 be hinged on base, and the wire rope 13 of hoist engine is connected with the drilling tool 14 of rig by the fixed pulley on pylon 2.
Described rig is provided with the slow-speed of revolution high torque reversal shelves; Described rig is vertical shaft type slewing drilling machine, drives drilling tool revolution.
Described drilling tool 14 comprises kelly, some driven drilling rod, coring tube and the drill bit entered in boring, described kelly and driven drilling rod pass through screwed connection, described kelly is driven by described rig vertical shaft, described kelly is provided with through-core hole, described rig is also provided with water inlet pipe 17, and described water inlet pipe 17 is connected with the through-core hole of kelly.The length L of described kelly 141
3≤ U-L'
1-L
2, when perforate, described coring tube length and the length of the bit sum L
4≤ L'
1; Each round trip drilling depth K≤U-L
1-L
2, normally creep into when getting core, the length L of described coring tube
5>=K, described driven run of steel is design the integral multiple of footage per round trip when normally creeping into, and wherein U is working space height, L
1for rig ox head top terrain clearance, L
1' be height liftoff bottom rig ox head, L
2for water inlet pipe and kelly joint distance.
As shown in Figure 4, described base 3 is provided with the governor motion at adjusting base 3 angle of inclination, described governor motion comprises setting bolt hole on the base 3, the screw rod 7 coordinated with bolt hole and the retaining mechanism for standing screw 7, be spheric end 71 bottom described screw rod 7, its other end is provided with locking plane 72, its cross section is polygon, be provided with spherical with it 71 bottom described screw rod 7 and coordinate the footing bearing 8 installed, described footing bearing 8 is provided with the indent spherical groove 81 coordinated with screw rod 7 bottom hemispheric 71.
The locking nut 6 that described retaining mechanism comprises setting locking bed corresponding with bolt hole on the base 3 31 and coordinates with locking bed 31, described locking bed 31 is provided with positioning tooth, described locking nut 6 is provided with the fixed teeth 61 coordinated with positioning tooth, described locking nut 6 is provided with the installing hole passed through for screw rod, match with the cross section of screw rod 7 in the cross section of described installing hole, on described locking nut 6, radial direction is provided with bolt hole 62, bolt hole 62 is provided with lock bolt 9, the locking plane 72 of lock bolt 9 clamping screw 7, prevents screw rod 7 radial rotating.Owing to matching with screw rod 7 cross section in installing hole cross section, rotational lock nut 6 adjusting screw(rod) 7 rotates, thus makes base tilt or level, not during adjusting screw(rod), downward compact lock jack panel 6, makes fixed teeth 61 engage with the positioning tooth on locking bed 31, then by radial lock bolt 9 tie down screw 7.
Described base 3 is provided with guide rail 5, base 3 is also provided with base screw mandrel 4, base screw mandrel 4 is connected with drive motors, and base screw mandrel 4 is connected with rig ox head 1, and under the effect of drive motors, base screw mandrel 4 drives rig ox head 1 to move forward and backward along guide rail 5.
Described base 3 is also horizontally disposed with circular bubble 11, for detecting the level of base 3.
Described pylon 2 comprises support 21 and support bar 22, described support 21 one end is hingedly coupled to base 3, and the other end is provided with fixed pulley, and the two ends of described support 21 form the angle of 90 degree ~ 170 degree, described support bar 22 be articulated with base 3, the other end and support 21 hinged.
Large-section in-situ concrete pile under existing building is carried out to a method for drilling core checking, comprises the following steps:
(1) rigging up, makes the post (wall) of position of opening as far as possible above stake top, determines required inclination alpha maximum value of holing,
wherein D is stake diameter, and d is the distance on drill center and stake limit, and H is that stake is long, and h is cushion cap height, and for obtaining the complete core of whole pile, the angle should chosen close to max α is crept into, and when boring is positioned within an end face, then can reduce as one sees fit to creep into angle of inclination.
(2) each screw rod 7 on adjusting base, observes circular bubble 11 simultaneously, makes its bubble placed in the middle, thus reaches the object of leveling base, if now the initial tilt of kelly is θ, it is being θ by the inclination angle in base longitudinal axis vertical guide
1, being θ by the inclination angle in base transverse axis vertical guide
2.
(3) drilling tool 14 is first eliminated in transverse axis vertical guide angle theta
2, inclinator 10 is vertically placed in base and is positioned in rig vertical shaft lateral location, unsettled bearing b, regulate bearing c screw rod 7, until inclinator 10 indicates kelly being 0 by the inclination angle in base transverse axis vertical guide.The number of turns N of rotary support c screw rod
2estimate by formula:
base cross shaft surface adjustable slanted angle when wherein δ is screw rod rotation 1 circle, X is the pitch of screw rod, and B is the distance between base transverse axis screw rod.
(4) drilling tool is secondly eliminated in longitudinal axis vertical guide angle theta
1and adjust kelly 14 to required inclination alpha, inclinator 10 is laterally placed in base and is positioned on the position in rig vertical shaft front, unsettled bearing b, regulate bearing a screw rod 7, until inclinator 10 indicates kelly being α by the inclination angle in base longitudinal axis vertical guide.The number of turns N of rotary support a screw rod
1estimate by formula:
the inclination angle that wherein the rig ox head 1 of α is maximum, the adjustable slanted angle in base longitudinal axis face when β is screw rod rotation 1 circle, X is the pitch of screw rod 7, and L is the distance before and after base between screw rod.
(5) after adjusting kelly to appointment tilt angle alpha, by locking nut 6 tie down screw 7, fixed teeth 61 bottom locking nut 6 engages with the positioning tooth of locking bed 31, described locking nut 6 is provided with the installing hole for coordinating with screw rod 7, the cross section of this installing hole coordinates with screw rod 7 cross section, one end that described screw rod 7 coordinates with locking nut 6 is provided with locks plane 72, fixed teeth 61 is provided with bottom locking nut 6, described base 3 is provided with the locking bed 31 coordinated with fixed teeth 61, by the lock bolt 9 on locking nut 6 radial bolts hole 62, screw rod 7 is fixed, prevent screw rod 7 radial rotating,
(6) install kelly, coring tube, drill bit, described rig ox head 1 drives in drilling tool inclined drilling large-section in-situ concrete pile 15.
(7) drilling tool creeps into the length to core is the degree of depth L of coring tube
5after, stop creeping into, after kelly stroke arrives K, use on rig hydraulic pressure and carry drilling tool 14, adopt the connection of ratchet spanner loose unloading kelly and driven drilling rod, then use rig ox head 1 low speed and large torque anti-converting to dismantle kelly and driven drilling rod completely.Rig substructure screw mandrel 4 drives rig ox head 1 to move after slide rail, and drilling tool 14 takes out by hoisting system 12, takes out core.
(8) utilize hoist engine again to be connected by the drilling tool of appropriate length and put into boring, screw mandrel 4 drives rig ox head 1 along slide rail reach, connects kelly and driven drilling rod, starts rig core boring sampling.
(9) repeat step (7), (8), until the sampling work of loosing core completing whole pile.
The utility model can at less spatial decimation core, and structure is little and simple, operates easy for installation, safe and reliable, can carry out the work of loosing core of existing building castinplace pile well.
Other structure of the system of core is extracted at existing building castinplace pile see prior art described in the present embodiment.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, therefore everyly do not depart from technical solutions of the utility model content, the any amendment done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (7)
1. one kind is carried out a complete set of equipment of drilling core checking to large-section in-situ concrete pile under existing building, comprise base, rig and hoisting system, it is characterized in that: described rig is provided with drilling tool, described drilling tool comprises kelly and for entering driven drilling rod, coring tube and the drill bit in boring, and described hoisting system comprises and is hinged on pylon on base and hoist engine; Described base is provided with the governor motion regulating its angle of inclination, described base both sides are provided with guide rail, described base is also provided with the base screw mandrel for mobile drill, described base screw mandrel one end is connected with drive motors, and described base screw mandrel drives rig along slide.
2. according to claim 1 large-section in-situ concrete pile under existing building is carried out to a complete set of equipment of drilling core checking, it is characterized in that: described governor motion comprises the adjusting bolt hole be arranged on base, the screw rod coordinated with adjusting bolt hole and the retaining mechanism for tie down screw; The bottom of described screw rod is spheric end, is provided with the footing bearing coordinated with described spheric end bottom described screw rod, and described footing bearing settlement has the indent spherical groove coordinated with described spheric end.
3. according to claim 2 large-section in-situ concrete pile under existing building is carried out to a complete set of equipment of drilling core checking, it is characterized in that: described retaining mechanism comprises the locking nut being arranged on locking bed corresponding with adjusting bolt hole on base and coordinating with described locking bed, described locking nut is provided with the installing hole installing screw rod, one end that described screw rod coordinates with the installing hole of locking nut is provided with locking plane, match with the cross section of screw rod in the cross section of described installing hole, described locking bed is provided with positioning tooth, described locking nut is provided with the fixed teeth coordinated with the positioning tooth of described locking bed, described locking nut radial direction is provided with bolt hole, described bolt hole is provided with lock bolt.
4. according to claim 2 large-section in-situ concrete pile under existing building is carried out to a complete set of equipment of drilling core checking, it is characterized in that: described rig is provided with the slow-speed of revolution high torque reversal shelves.
5. according to claim 1 large-section in-situ concrete pile under existing building is carried out to a complete set of equipment of drilling core checking, it is characterized in that: described kelly length L
3≤ U-L'
1-L
2, during perforate, perforate coring tube length and the length of the bit sum L
4≤ L'
1; Each round trip drilling depth K≤U-L
1-L
2, when normally creeping into, described coring tube length L
5>=K, described driven run of steel is design the integral multiple of footage per round trip when normally creeping into, and wherein U is working space height, L
1for rig ox head top terrain clearance, L
1' be height liftoff bottom rig ox head, L
2for water inlet pipe and kelly joint distance.
6. according to claim 1 large-section in-situ concrete pile under existing building being carried out to a complete set of equipment of drilling core checking, it is characterized in that: described base being provided with the inclinator for measuring rig vertical shaft angle of slope.
7. large-section in-situ concrete pile under existing building is carried out to a complete set of equipment of drilling core checking according to any one of Claims 1-4, it is characterized in that: described base is provided with circular bubble.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420823489.8U CN204457426U (en) | 2014-12-19 | 2014-12-19 | A kind of a complete set of equipment large-section in-situ concrete pile under existing building being carried out to drilling core checking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420823489.8U CN204457426U (en) | 2014-12-19 | 2014-12-19 | A kind of a complete set of equipment large-section in-situ concrete pile under existing building being carried out to drilling core checking |
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| Publication Number | Publication Date |
|---|---|
| CN204457426U true CN204457426U (en) | 2015-07-08 |
Family
ID=53664328
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|---|---|---|---|
| CN201420823489.8U Active CN204457426U (en) | 2014-12-19 | 2014-12-19 | A kind of a complete set of equipment large-section in-situ concrete pile under existing building being carried out to drilling core checking |
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|---|---|
| CN (1) | CN204457426U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104514488A (en) * | 2014-12-19 | 2015-04-15 | 广州建设工程质量安全检测中心有限公司 | Complete device and method for detecting drilling core of large-diameter bored pile under existing building |
| CN110206487A (en) * | 2019-05-31 | 2019-09-06 | 福建永林金树生物科技有限公司 | A kind of lift drilling machine |
-
2014
- 2014-12-19 CN CN201420823489.8U patent/CN204457426U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104514488A (en) * | 2014-12-19 | 2015-04-15 | 广州建设工程质量安全检测中心有限公司 | Complete device and method for detecting drilling core of large-diameter bored pile under existing building |
| CN110206487A (en) * | 2019-05-31 | 2019-09-06 | 福建永林金树生物科技有限公司 | A kind of lift drilling machine |
| CN110206487B (en) * | 2019-05-31 | 2024-04-09 | 福建永林金树生物科技有限公司 | Lifting drilling machine |
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