CN218994805U - Soft coring equipment of adaptation in cement soil mixing stake machine - Google Patents
Soft coring equipment of adaptation in cement soil mixing stake machine Download PDFInfo
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- CN218994805U CN218994805U CN202223246452.7U CN202223246452U CN218994805U CN 218994805 U CN218994805 U CN 218994805U CN 202223246452 U CN202223246452 U CN 202223246452U CN 218994805 U CN218994805 U CN 218994805U
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Abstract
The utility model discloses soft coring equipment suitable for a cement soil mixing pile machine, which belongs to the field of pile foundation construction equipment and comprises a mixing drilling machine, a hoisting mechanism, a steel wire rope, a vibration exciter, a guide rod, a guide device, a connector and a coring cabin, wherein the coring cabin comprises a circular pipe shell, an overhauling device, a drill point, an upper cover plate, a lower cover plate and a non-return structure; the guide rod is close to wire rope one end welding has the fixed plate, and the vibration exciter passes through the bolt to be installed on the fixed plate, is connected through the connector between guide rod and the core cabin, has reserved the thick liquid hole that advances on the lower apron, has the contrary structure that ends through the bolt fastening on the lower apron, and the upper surface of contrary structure that ends is pasted has the backup pad, has reserved the exhaust hole on the upper cover plate. The construction steps of the utility model are as follows: and (3) aligning the sampling point, lowering the coring cabin, extracting slurry, taking out the slurry, and cleaning the soft coring structure. The present utility model fulfills the need for fast soft coring.
Description
Technical Field
The utility model relates to the field of pile foundation construction equipment, in particular to soft coring equipment suitable for a cement mixing pile machine.
Background
The cement soil composite pipe pile is formed by implanting a pipe pile into the center of a cement soil stirring pile after the cement soil stirring pile is completed. The composite pile is developed on the basis of a stirring pile, and related specifications also provide for testing the stirring quality of the cement-soil stirring pile before the pile is implanted, wherein the testing method is soft coring.
For example, the technical rules of cement soil composite pipe pile foundation are as follows: the cement soil piles in the cement soil composite pipe pile are preferably tested for cement soil strength by adopting a soft coring method, the test quantity is not less than 1% of the total pile number, and the test quantity is not less than 3 piles. The specification explicitly states the concept of soft coring as: and taking slurry from the cement soil pile which is just constructed and not solidified to manufacture a test block.
Therefore, the quality of the mixing pile needs to be detected in pile foundation acceptance, and in order to realize quick soft coring, the utility model provides a construction method of soft coring equipment suitable for a cement soil mixing pile machine.
Disclosure of Invention
Aiming at the technical problems in the prior art, the utility model provides soft coring equipment which is adapted to a cement soil mixing pile machine, overcomes the defects of the prior art, and meets the requirement of quick soft coring, and the coring equipment is added on the original mixing drilling machine without being equipped with other coring drilling machines; by arranging the coring cabin to be matched with the positioning of the stirring drilling machine, the accurate coring can be realized.
The soft coring equipment is characterized by comprising a stirring drilling machine, a hoisting mechanism, a steel wire rope, a vibration exciter, a guide rod, a guide device, a connector and a coring cabin, wherein the coring cabin comprises a circular pipe shell, a maintenance device, a drill point, an upper cover plate, a lower cover plate and a non-return structure; the hoisting mechanism is arranged on a mast of the stirring drilling machine, the steel wire rope is wound on the hoisting mechanism and is connected with the guide rod, a fixed plate is welded at one end, close to the steel wire rope, of the guide rod, the vibration exciter is arranged on the fixed plate through a bolt, the guide rod is connected with the coring cabin through a connector, a drill point is welded on a lower cover plate of the coring cabin, a slurry inlet hole is reserved on the lower cover plate, a backstop structure is fixed on the lower cover plate through a bolt, the backstop structure covers the slurry inlet hole, a supporting plate is stuck on the upper surface of the backstop structure, an exhaust hole is reserved on the upper cover plate, an overhaul device is arranged on a circular tube shell, and the overhaul device is fixed with the circular tube shell through a bolt; the support leg of the drilling machine is provided with a guide device, and the guide device is in contact connection with the guide rod.
Preferably, the vibration exciter is symmetrically distributed in two.
Preferably, the guide rod is of a circular tube-shaped multisection structure, the wall thickness of the circular tube is 2 mm-5 mm, the outer diameter of the circular tube is 5 cm-15 cm, the length of each section of circular tube is 2 m-5 m, the length of the guide rod is determined according to the coring depth, and the length of the guide rod is greater than the coring depth by 1-2 m.
Preferably, the outer diameter of the coring cabin is 10 cm-20 cm, and the length of the coring cabin is 100 cm-200 cm.
Preferably, the number of the vent holes reserved in the upper cover plate is 1-2, and the diameter of the vent holes is 2 cm-5 cm.
Preferably, the backstop structure is rubber gasket, and rubber gasket is the disk-shaped structure that has the breach, and rubber gasket's diameter is less than the lower apron and is greater than the thick liquid hole on the lower apron simultaneously, and the backup pad diameter of pasting on the rubber gasket is less than rubber gasket diameter.
The utility model has the beneficial technical effects that:
the requirement of quick soft coring is met, and the coring equipment is added on the original stirring drilling machine, so that other coring drilling machines are not required to be equipped; by arranging the coring cabin to be matched with the positioning of the stirring drilling machine, the accurate coring can be realized.
Drawings
Fig. 1 is a view showing the installation position of a soft coring device on a mixing drill in the soft coring device adapted to a cement soil mixing pile machine according to the present utility model.
Fig. 2 is a schematic structural view of a coring chamber in a soft coring device adapted to a soil cement mixing pile machine according to the present utility model.
Fig. 3 is a schematic structural view of a guide device in a soft coring apparatus adapted to a soil cement mixing pile machine according to the present utility model.
FIG. 4 is a side view of the structure of a coring chamber of a soft coring device adapted for use with a soil-cement mixing pile machine in accordance with the present utility model.
FIG. 5 is a cross-sectional view of a non-return structure in a soft coring device adapted to a soil cement mixing pile machine in accordance with the present utility model.
Fig. 6 is a top view of a non-return structure in a soft coring device adapted to a soil cement mixing pile machine in accordance with the present utility model.
Wherein, 1-stirring rig, 2-hoist mechanism, 3-wire rope, 4-vibration exciter, 5-guide arm, 6-guide device, 7-connector, 8-core cabin, 81-pipe casing, 82-maintenance device, 83-drill point, 84-upper cover plate, 85-lower cover plate, 86-contrary structure that ends.
Detailed Description
Example 1:
the utility model is described in further detail below with reference to the attached drawings and detailed description:
as shown in fig. 1-6, a soft coring device suitable for a cement mixing pile machine comprises a mixing drilling machine 1, a hoisting mechanism 2, a steel wire rope 3, a vibration exciter 4, a guide rod 5, a guide device, a connector 7 and a coring cabin 8, wherein the coring cabin 8 comprises a circular tube shell 81, an overhaul device 82, a drill point 83, an upper cover plate 84, a lower cover plate 85 and a non-return structure 86; the hoisting mechanism 2 is arranged on a mast of the stirring drilling machine 1, the steel wire rope 3 is wound on the hoisting mechanism 2 and is connected with the guide rod 5, a fixed plate is welded at one end, close to the steel wire rope 3, of the guide rod 5, the vibration exciter 4 is arranged on the fixed plate through a bolt, the guide rod 5 is connected with the coring cabin 8 through a connector 7, a drill tip 83 is welded on a lower cover plate 85 of the coring cabin 8, a slurry inlet hole is reserved on the lower cover plate 85, a non-return structure 86 is fixed on the lower cover plate 85 through a bolt, the non-return structure 86 covers the slurry inlet hole, a supporting plate is stuck on the upper surface of the non-return structure 86, an exhaust hole is reserved on an upper cover plate 84, the overhaul device 82 is arranged on a circular tube shell 81, and the overhaul device 82 and the circular tube shell 81 are fixed through bolts; the support leg of the drilling machine is provided with a guide device, and the guide device is in contact connection with the guide rod 5.
Preferably, the vibration exciter 4 is two symmetrically distributed.
Preferably, the guide rod 5 is of a circular tube-shaped multisection structure, the wall thickness of the circular tube is 2 mm-5 mm, the outer diameter of the circular tube is 5 cm-15 cm, the length of each section of circular tube is 2 mm-5 m, the length of the guide rod 5 is determined according to the coring depth, and the length of the guide rod 5 is greater than the coring depth by 1-2 m.
Preferably, the outer diameter of the coring cabin 8 is 10 cm-20 cm, and the length of the coring cabin 8 is 100 cm-200 cm.
Preferably, the number of vent holes reserved on the upper cover plate 84 is 1-2, and the diameter of the vent holes is 2 cm-5 cm.
Preferably, the non-return structure 86 is a rubber gasket, the rubber gasket is a disc-shaped structure with a notch, the diameter of the rubber gasket is smaller than that of the lower cover plate 85 and larger than that of the slurry inlet hole on the lower cover plate 85, and the diameter of the support plate adhered on the rubber gasket is smaller than that of the rubber gasket.
Example 2:
the utility model is described in further detail below with reference to the attached drawings and detailed description:
as shown in fig. 1-6, a soft coring device suitable for a cement mixing pile machine comprises a mixing drilling machine 1, a hoisting mechanism 2, a steel wire rope 3, a vibration exciter 4, a guide rod 5, a guide device, a connector 7 and a coring cabin 8, wherein the coring cabin 8 comprises a circular tube shell 81, an overhaul device 82, a drill point 83, an upper cover plate 84, a lower cover plate 85 and a non-return structure 86; the hoisting mechanism 2 is arranged on a mast of the stirring drilling machine 1, the steel wire rope 3 is wound on the hoisting mechanism 2 and is connected with the guide rod 5, a fixed plate is welded at one end, close to the steel wire rope 3, of the guide rod 5, the vibration exciter 4 is arranged on the fixed plate through a bolt, the guide rod 5 is connected with the coring cabin 8 through a connector 7, a drill tip 83 is welded on a lower cover plate 85 of the coring cabin 8, a slurry inlet hole is reserved on the lower cover plate 85, a non-return structure 86 is fixed on the lower cover plate 85 through a bolt, the non-return structure 86 covers the slurry inlet hole, a supporting plate is stuck on the upper surface of the non-return structure 86, an exhaust hole is reserved on an upper cover plate 84, the overhaul device 82 is arranged on a circular tube shell 81, and the overhaul device 82 and the circular tube shell 81 are fixed through bolts; the support leg of the drilling machine is provided with a guide device, and the guide device is in contact connection with the guide rod 5. All the above-described structures except the agitation rig 1 together constitute a soft coring apparatus, which is mounted on the agitation rig 1 for quick soft coring.
Preferably, the vibration exciter 4 is two symmetrically distributed. The vibration exciter 4 is arranged in a matrix, the vibration exciter 4 comprises all devices capable of generating vibration effects, and vibration of the vibration exciter 4 is transmitted to the guide rod 5, so that the drill point 83 is driven.
Preferably, the guide rod 5 has a tubular multi-section structure, when the designed coring depth is 15m, the wall thickness of the circular tube is 3mm, the outer diameter of the circular tube is 8cm, the length of each section of circular tube is 2m, and 8 guide rods 5 are connected. The exciter 4 is ensured to be above ground when the drill tip 83 reaches a depth of 15 m.
Preferably, the outer diameter of the nacelle 8 is 15cm and the length of the nacelle 8 is 100cm.
Preferably, the upper cover 84 has 1 vent hole, and the diameter of the vent hole is 5cm.
Preferably, the non-return structure 86 is a rubber gasket, the rubber gasket is a disc-shaped structure with a notch, the diameter of the rubber gasket is smaller than that of the lower cover plate 85 and larger than that of the slurry inlet hole on the lower cover plate 85, and the diameter of the support plate adhered on the rubber gasket is smaller than that of the rubber gasket. The backup pad has been pasted on the rubber gasket, the thickness of backup pad is 0.2mm ~1mm, the backup pad is rigid structure, connect through the bolt hole between rubber gasket and the lower apron 85, the backup pad is not in the fixed within range of bolt, when mud gets into from the advance thick liquid hole, rubber gasket and backup pad warp the bolt perk together, owing to have certain distance between backup pad and the bolt, consequently do not influence the perk of rubber gasket, but when mentioning, the thick liquid weight is great in the coring compartment 8, the backup pad has increased the rigidity of rubber gasket this moment, guarantee the validity of backstop structure 86.
The construction method of the soft coring equipment suitable for the cement mixing pile machine is characterized by comprising the following specific construction steps of:
(1) Alignment of sampling points
Rotating the stirring drilling machine 1 to enable a hoisting mechanism 2 on a mast of the drilling machine to be aligned with the drilling hole after stirring, and finely adjusting the mast to ensure that a drill point 83 coincides with a coring point;
(2) Lowering the coring cabin 8
Determining the length of a guide rod 5 according to the sampling depth, connecting the guide rod 5 with a steel wire rope 3, enabling the guide rod 5 to pass through a guide device, connecting the guide rod 5 with a coring cabin 8 through a connector 7, lowering the steel wire rope 3, and lowering the coring cabin 8 to a specified depth;
in the lowering process, firstly, the self weight of the equipment is lowered, if the self weight can not reach a set depth, the vibration exciter 4 is started, and the equipment is further lowered through vibration; in the descending process, the slurry enters the coring cabin 8 from the slurry inlet hole of the lower cover plate 85, air in the coring cabin 8 is discharged from the exhaust hole, and as the depth is continuously increased, new slurry enters from the slurry inlet hole, and the original slurry is discharged from the exhaust hole;
(3) Extracting the slurry
When the coring cabin 8 reaches a set depth, the coring cabin 8 is kept stationary for 15 s-30 s, so that slurry with the set depth is taken from the coring cabin 8, the coring cabin 8 is lifted up through the steel wire rope 3, the slurry is blocked by the non-return structure 86 in the lifting process and cannot be discharged from a slurry inlet hole on the lower cover plate 85, and the slurry cannot enter the coring cabin 8 from an exhaust hole in the lifting process;
(4) Taking out the slurry
After the coring cabin 8 is extracted to the ground, the connector 7 is removed, the vent holes are blocked, the inside of the coring cabin 8 is reversed, the non-return structure 86 is opened by external force, the coring cabin 8 is turned back, the slurry in the coring cabin 8 flows out from the slurry inlet hole, and the soft coring is finished;
(5) Cleaning soft core taking structure
The guide rod 5, the guide means and the coring compartment 8 are cleaned.
The utility model relates to soft coring equipment which is suitable for a cement soil mixing pile machine, and the requirement of quick soft coring is met; by arranging the coring cabin to be matched with the positioning of the stirring drilling machine, the accurate coring can be realized.
It should be understood that the above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, and that other variations, modifications, additions and substitutions are possible, without departing from the scope of the utility model as disclosed in the accompanying claims.
Claims (6)
1. The soft coring equipment is characterized by comprising a stirring drilling machine, a hoisting mechanism, a steel wire rope, a vibration exciter, a guide rod, a guide device, a connector and a coring cabin, wherein the coring cabin comprises a circular pipe shell, a maintenance device, a drill point, an upper cover plate, a lower cover plate and a non-return structure; the hoisting mechanism is arranged on a mast of the stirring drilling machine, the steel wire rope is wound on the hoisting mechanism and is connected with the guide rod, a fixed plate is welded at one end, close to the steel wire rope, of the guide rod, the vibration exciter is arranged on the fixed plate through a bolt, the guide rod is connected with the coring cabin through a connector, a drill point is welded on a lower cover plate of the coring cabin, a slurry inlet hole is reserved on the lower cover plate, a backstop structure is fixed on the lower cover plate through a bolt, the backstop structure covers the slurry inlet hole, a supporting plate is stuck on the upper surface of the backstop structure, an exhaust hole is reserved on the upper cover plate, an overhaul device is arranged on a circular tube shell, and the overhaul device is fixed with the circular tube shell through a bolt; the support leg of the drilling machine is provided with a guide device, and the guide device is in contact connection with the guide rod.
2. A soft coring device adapted to a soil cement mixing pile machine according to claim 1, wherein the vibration exciter is two symmetrically distributed.
3. The soft coring equipment suitable for a cement mixing pile machine according to claim 1, wherein the guide rod is of a circular tube-shaped multisection structure, the wall thickness of the circular tube is 2 mm-5 mm, the outer diameter of the circular tube is 5 cm-15 cm, the length of each circular tube is 2 m-5 m, the length of the guide rod is determined according to the coring depth, and the length of the guide rod is greater than 1-2 m of the coring depth.
4. The soft coring device adapted to a cement mixing pile machine according to claim 1, wherein the outer diameter of the coring compartment is 10 cm-20 cm, and the length of the coring compartment is 100 cm-200 cm.
5. The soft coring equipment suitable for a cement mixing pile machine according to claim 1, wherein the number of the vent holes reserved in the upper cover plate is 1-2, and the diameter of the vent holes is 2 cm-5 cm.
6. The soft coring device for a cement mixing pile machine, according to claim 1, wherein the non-return structure is a rubber gasket, the rubber gasket is a disc-shaped structure with a notch, the diameter of the rubber gasket is smaller than that of the lower cover plate and larger than that of a slurry inlet hole in the lower cover plate, and the diameter of a support plate adhered to the rubber gasket is smaller than that of the rubber gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223246452.7U CN218994805U (en) | 2022-12-05 | 2022-12-05 | Soft coring equipment of adaptation in cement soil mixing stake machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223246452.7U CN218994805U (en) | 2022-12-05 | 2022-12-05 | Soft coring equipment of adaptation in cement soil mixing stake machine |
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| Publication Number | Publication Date |
|---|---|
| CN218994805U true CN218994805U (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223246452.7U Active CN218994805U (en) | 2022-12-05 | 2022-12-05 | Soft coring equipment of adaptation in cement soil mixing stake machine |
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| CN (1) | CN218994805U (en) |
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- 2022-12-05 CN CN202223246452.7U patent/CN218994805U/en active Active
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