CN208167739U - A kind of bottom hole disintegrating slag collecting vessel - Google Patents

Abstract

The utility model discloses a kind of bottom hole disintegrating slag collecting vessels, are the staving of the strainer flowed through for mud including bottom, and the aperture of the strainer is less than the minimum diameter to clear disintegrating slag；The casing mechanism passed through for grouting pipe is coaxially arranged in the middle part of the staving；It is characterized in that, the staving is integrally conical, and open-topped diameter is greater than the diameter of bottom screen.The utility model has smart structural design, can reduce that mud is counter to be filled, and settles convenient for disintegrating slag, is conducive to the advantages that improving disintegrating slag collection efficiency.

Description

A kind of bottom hole disintegrating slag collecting vessel

Technical field

The utility model relates to technical field of building construction, in particular to a kind of bottom hole disintegrating slag collecting vessel.

Background technique

Hole stake borehole cleaning be hole bottom sediment is clean clearly, if sediment is blocked up, when subaqueous concreting, be easy to cause folder Layer, broken pile or even useless stake, so bored concrete pile borehole cleaning is very important in place.Currently, hole stake borehole cleaning mainly uses slush pump will The mud of certain weight proportion is input into conduit, and the mud with pressure is discharged through conduit bottom.Bottom hole sediment is in the impact for spraying mud Effect is lower to suspend, and mud, sediment are run up along stake holes in hole, are discharged aperture, into sedimentation basin, are filtered out in mud Sediment after flow into mud pit again, then rushed in hole by slush pump, iterative cycles are until bottom hole sediment thickness reaches rule Model requirement.

However, the rubble that bottom hole sediment generates in punch process when usual, rubble during floating with mud, It will receive self gravitation effect sinking, therefore, the maximum height that floats of rubble is limited.Currently, for depth 20 meters with Interior Percussion Piles can be blown out outside hole using High-power Mud Pump mud, but be greater than 20 meters for depth, especially Depth is more than 30 meters of Percussion Piles, and rubble rises to behind highest point with mud can not continue to rise, and eventually drop back into bottom hole, can not The thorough scarfing cinder for realizing hole stake, influences later period pile quality.

For this purpose, inventor devises a kind of deep hole stake scarfing cinder bucket for the diameter that diameter is less than to cinder cleaning hole stake, a barrel bottom is Strainer, and it is coaxially arranged with the casing mechanism passed through for grouting pipe.In use, being put by the lifting rope being connected on lifting lug Hole stake bottom, passes through casing mechanism for grouting pipe, carries out mud flush to bottom, so that the disintegrating slag after rinsing is with mud along clear Inder pot periphery is risen to upwards above scarfing cinder bucket, and disintegrating slag can drop into scarfing cinder bucket, when being self-possessed sinking since mud can pass through filter Net, so that it may disintegrating slag is collected into scarfing cinder bucket and propose hole stake, realize the scarfing cinder work of deep hole stake.But since mud can be with It can also be filled by the way that strainer is counter into scarfing cinder bucket, during mud rises so that disintegrating slag is not easy to fall back to scarfing cinder by strainer In bucket, the efficiency of scarfing cinder is influenced.Therefore, how to design it is a kind of convenient for disintegrating slag sedimentation bottom hole disintegrating slag collecting vessel become it is urgently to be resolved The problem of.

Utility model content

In view of the above shortcomings of the prior art, technical problem to be solved in the utility model is：How a kind of knot is provided Structure is ingenious in design, can reduce that mud is counter to be filled, and settles convenient for disintegrating slag, and the bottom hole disintegrating slag for being conducive to improve disintegrating slag collection efficiency is collected Bucket.

In order to solve the above-mentioned technical problem, the utility model uses the following technical solution：

A kind of bottom hole disintegrating slag collecting vessel is the staving of the strainer flowed through for mud, the aperture of the strainer including bottom Less than the minimum diameter to clear disintegrating slag；The casing mechanism passed through for grouting pipe is coaxially arranged in the middle part of the staving；Its It is characterized in that, the staving is integrally conical, and open-topped diameter is greater than the diameter of bottom screen.

It, can be in this way, biggish top opening diameter can preferably receive the disintegrating slag of sinking, and lesser strainer diameter Mud is reduced from the anti-filling amount of filter screen bottom, prevents the disintegrating slag to sink from going out staving by the anti-mud filled, is conducive to improve scarfing cinder Efficiency improves scarfing cinder stability.

Further, multiple helical blades, helical blade entirety edge are distributed along the circumference on the outer wall of the staving The axial setting of the staving, and the circumferential of staving described in lower end edge tilts to side.

The helical blade that side since lower end edge staving circumferential direction being arranged on the outer wall of staving is obliquely installed, so that mud When passing through the space between staving and hole wall from bottom, an active force can be generated to helical blade, to push staving around axis Heart rotation.When being not provided with helical blade, the staving thrust upward by mud can make staving float, improve the height of staving Degree, to increase the gravitional force of staving；And after helical blade is set, mud is applied to the thrust of staving, and a part is converted into The kinetic energy of staving rotation will certainly reduce the gravitional force being finally transformed on staving according to law of conservation of energy, that is to say, that Under equal conditions, the height for being provided with the staving rising of helical blade can be lower than without the staving height of setting helical blade. In this way, preferably can prevent staving from floating, guarantees that staving is in lower position, facilitate disintegrating slag that can rush in lesser mud Hitting under power can be raised to above staving, improve scarfing cinder efficiency, the mud pump power that smaller mud impact force needs is smaller, more Be conducive to save cost.

Further, the rotating diameter of the helical blade is consistent with the open-topped diameter of the staving.

In this way, can increase as far as possible in the case where guaranteeing that the space satisfaction between staving and hole wall passes through to clear disintegrating slag The open-topped diameter of staving, so that staving is more preferable to the collecting effect of sinking disintegrating slag.

Further, the minimum spacing between the two neighboring helical blade is greater than the maximum gauge to clear disintegrating slag.

It is stuck, hinders subsequent when in this way, the disintegrating slag being mixed in mud can be prevented by between two helical blades Mud pass through, influence staving and rotate the effect that releases energy, so that staving is elected by mud arrives higher position.

Further, the cone angle of the staving is 45 ° ~ 60 °.

In this way, the side wall of staving while guaranteeing that mud passes through strainer, can be minimized in a vertical direction Projected area, exactly reduce mud rise when to staving generate axial thrust active area, reduce staving rise height Degree enables staving as close as possible to bottom, is conducive to improve the effect that disintegrating slag is collected.

Further, the staving is welded using steel plate, and the circumferential direction of described sleeve pipe mechanism has the multiple and bucket The reinforcing rib of body connection.

In this way, the intensity of staving can be increased, prevent staving from deforming, is conducive to improve service life.

Further, steel plate of the strainer using thickness greater than 5mm is made, and is evenly equipped with filter hole on the steel plate.

Strainer is made by thick steel plate, the intensity of strainer both can be improved, prevents strainer during lifting damaged, disintegrating slag leakage It spreads.The weight that collecting vessel can be increased again, makes collecting vessel sink to bottom hole as far as possible, collects convenient for disintegrating slag.

In conclusion the utility model with smart structural design, can reduce, mud is counter to be filled, and settles, has convenient for disintegrating slag The advantages that conducive to disintegrating slag collection efficiency is improved.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of deep hole cleaning dregs system.

Fig. 2 is the structural schematic diagram of scarfing cinder barrel section in Fig. 1.

Fig. 3 is the position relationship structural diagram of grouting pipe and idler wheel in Fig. 2.

Specific embodiment

Below with reference to embodiment, the utility model is described in further detail.

When specific implementation：As shown in Fig. 1 ~ Fig. 3, a kind of deep hole stake cleaning dregs system, including the sedimentation basin 3 being disposed adjacent and mud The outlet of stock tank 4, and the slush pump 5 being arranged in the mud pit, the slush pump 5 is connected with by pipeline for vertical Protrude into the grouting pipe 1 of bottom hole；It further include the scarfing cinder bucket 2 for being put into the stake of hole and the lifting for lifting by crane the scarfing cinder bucket 2 Device 6, the middle part of the scarfing cinder bucket 2 are coaxially arranged with the casing mechanism 21 passed through for the grouting pipe 1, the scarfing cinder bucket 2 diameters are less than the diameter to cinder cleaning hole stake, make the scarfing cinder bucket 2 and to be formed between the inner wall of cinder cleaning hole stake for clear disintegrating slag By space；The bottom of the scarfing cinder bucket 2 is the strainer 22 flowed through for mud, and the aperture of the strainer 22 is less than to clear broken The minimum diameter of slag；Lifting lug 23 is additionally provided on the scarfing cinder bucket 2, the lifting rope of the boom hoisting is connected to the lifting lug 23.

Using the above structure, then that grouting pipe is vertical in use, grouting pipe to be passed through to the casing mechanism of scarfing cinder bucket It is inserted into the bottom of hole stake, scarfing cinder bucket is put into hole stake bottom by the lifting rope for transferring boom hoisting, starting slush pump device to hole stake bottom The disintegrating slags such as rubble are impacted, make disintegrating slag with mud between scarfing cinder bucket and hole wall spatially floating to scarfing cinder bucket above.In this way, Even if disintegrating slag sinks in mud under the gravity of itself, it can also fall in scarfing cinder bucket, due to the bottom screen of scarfing cinder bucket Aperture be less than the minimum diameter of disintegrating slag, will be clear using boom hoisting after the completion of scarfing cinder so that disintegrating slag is collected in scarfing cinder bucket Inder pot is sling, so that it may clean out the disintegrating slag of bottom hole.Above system is reasonable in design, easy to operate, can be suitable for The hole stake of various depth.Disintegrating slag is collected using the scarfing cinder bucket for being put into bottom hole in this system, it is only necessary to which the floating height of disintegrating slag is higher than Scarfing cinder bucket position, therefore the power of slush pump can be suitably reduced, the impact of slush pump device to hole stake itself is reduced, is kept away Exempt from mud impact and caused by bottom hole collapse, be conducive to the Forming Quality of retaining hole stake, improve the pile quality in later period, scarfing cinder is thorough Bottom, it is high-efficient, be conducive to improve later period pile quality, reduce construction cost.

When implementation, described sleeve pipe mechanism 21 includes inner cylinder 211, and is rotatably mounted around the inner cylinder by bearing The circumferential direction of outer barrel 212 on body 211, the outer barrel 212 has multiple reinforcing ribs connecting with bucket wall；The lifting lug 23 is set It sets on the inner cylinder 211.

Since lifting rope on boom hoisting when winding, can generate around axial torsion, in the mistake for lifting by crane or transferring scarfing cinder bucket Cheng Zhong will drive the rotation of scarfing cinder bucket, and the weight of scarfing cinder bucket is relatively heavier, and inertia is bigger, will drive lifting rope torsion after rotation, such as This influences the service life of lifting rope repeatedly, also lifting rope is be easy to cause to wind with grouting pipe, influences lifting or lowering operation. Using the above structure, since hanging ring is arranged on inner cylinder, and inner cylinder and outer barrel are rotatably coupled by bearing, so that Can be by the relative rotation of bearing, so that lifting rope be avoided to wind with grouting pipe between lifting rope and scarfing cinder bucket, it can also be with Improve the service life of lifting rope.

When implementation, the scarfing cinder bucket 2 is integrally conical, and open-topped diameter is greater than the diameter of bottom screen 22.

It, can be in this way, biggish top opening diameter can preferably receive the disintegrating slag of sinking, and lesser strainer diameter Mud is reduced from the anti-filling amount of filter screen bottom, prevents the disintegrating slag to sink from going out scarfing cinder bucket by the anti-mud filled, is conducive to improve scarfing cinder Efficiency, improve scarfing cinder stability.

When implementation, multiple helical blades 24 are distributed along the circumference on the outer wall of the scarfing cinder bucket 2, the helical blade 24 is whole Body is arranged along the axial direction of the scarfing cinder bucket 2, and the circumferential of scarfing cinder bucket 2 described in lower end edge tilts to side.

The helical blade that side since lower end edge scarfing cinder bucket circumferential direction being arranged on the outer wall of scarfing cinder bucket is obliquely installed, so that When mud passes through the space between scarfing cinder bucket and hole wall from bottom, an active force can be generated to helical blade, to push clear Inder pot is around axis rotation.When being not provided with helical blade, the scarfing cinder bucket thrust upward by mud can make scarfing cinder bucket float, The height of scarfing cinder bucket is improved, to increase the gravitional force of scarfing cinder bucket；And after helical blade is set, mud is applied to pushing away for scarfing cinder bucket Power, a part is converted into the kinetic energy of scarfing cinder bucket rotation, according to law of conservation of energy, will certainly reduce and finally be transformed into scarfing cinder bucket On gravitional force, that is to say, that under equal conditions, being provided with height that the scarfing cinder bucket of helical blade rises can be lower than without The scarfing cinder bucket height of helical blade is set.In this way, can preferably prevent scarfing cinder bucket from floating, guarantee that scarfing cinder bucket is in lower position It sets, facilitates disintegrating slag that can be raised to above scarfing cinder bucket under lesser mud impact force, improve scarfing cinder efficiency, smaller mud It is smaller to starch the mud pump power that impact force needs, is more advantageous to saving cost.

When implementation, the rotating diameter of the helical blade is consistent with the open-topped diameter of the scarfing cinder bucket 2.

In this way, can increase as far as possible in the case where guaranteeing that the space satisfaction between scarfing cinder bucket and hole wall passes through to clear disintegrating slag The open-topped diameter of big scarfing cinder bucket, so that scarfing cinder bucket is more preferable to the collecting effect of sinking disintegrating slag.

When implementation, the minimum spacing between the two neighboring helical blade is greater than the maximum gauge to clear disintegrating slag.

It is stuck, hinders subsequent when in this way, the disintegrating slag being mixed in mud can be prevented by between two helical blades Mud pass through, influence scarfing cinder bucket and rotate the effect that releases energy, so that scarfing cinder bucket is elected by mud arrives higher position.

When implementation, the inside of the inner cylinder 211 also has radially symmetrically arranged clamping device 213, the clamping Mechanism 213 includes the idler wheel along the axis direction setting perpendicular to the inner cylinder 211, the idler wheel and the inner cylinder 211 Between be provided with elastic component, keep the idler wheel mobile towards axis direction under the action of elastic force；Along the inner cylinder 211 The minimum spacing between two idler wheels diametrically is less than the diameter of grouting pipe 1.

Since the minimum spacing between two opposite roller wheels is less than the diameter of grouting pipe, so that grouting pipe passes through inner cylinder After body, idler wheel under the action of the elastic member, can be tightly attached on the outer wall of grouting pipe.Again since idler wheel is along perpendicular to inner cylinder Axis direction setting, enables idler wheel smooth rolling in the axial direction of grouting pipe, and in the circumferential direction of grouting pipe, idler wheel There are biggish force of sliding frictions between grouting pipe.In this way, can both guarantee that inner cylinder can be along grouting pipe swimmingly It rises or falls, and the rotation of inner cylinder in circumferential direction relative to grouting pipe can be limited to a certain extent.

When implementation, the diameter of the idler wheel is gradually become smaller from both ends to middle part, and its periphery is in the radial direction is projected as One section of circular arc, the diameter of the circular arc are consistent with the diameter of the grouting pipe 1.

In this manner it is possible to increase the contact area between idler wheel and grouting pipe, so increase idler wheel and grouting pipe it Between force of sliding friction in the circumferential, inner cylinder can be better protected from and rotated around grouting pipe, band when scarfing cinder bucket being avoided to rotate Dynamic lifting lug and lifting rope rotation.

When implementation, the both ends of the shaft of the idler wheel respectively has a strut being axially arranged along the inner cylinder 211, and two The other end of the strut is mounted on the inner cylinder 211 by being parallel to the hinged shaft of the idler wheel；The hinged shaft of the strut Upper setting torsional spring, the both ends of the torsional spring are connected to respectively on the strut and the inner cylinder 211.

Above structure can make full use of the space in inner cylinder axial direction, convenient for assembly.

When implementation, the lower end of the inner cylinder 211 has the radially prominent boss formed, the outer diameter of the boss It is consistent with the outer diameter of the outer barrel 212, and thrust bearing is provided between the boss and the lower end of the outer barrel 212； Transverse bearing is provided between the upper end and the outer barrel 212 of the inner cylinder 211.

In this way, passing through the boss and thrust bearing of inner cylinder bottom, it can both guarantee that the two can be relatively rotated swimmingly, Scarfing cinder bucket can also preferably be carried and clear up the weight of disintegrating slag, improved service life.

When implementation, the thrust bearing and transverse bearing are sealing bearing, and the inner cylinder 211 and outer barrel 212 Between be filled with lubricating grease.

In this way, can prevent mud from entering between inner cylinder and outer barrel by sealing bearing, meanwhile, it is arranged in inner cylinder Lubricating grease between outer barrel can provide better lubricating action to the relative rotation of the two, so that the rotation of scarfing cinder bucket is more Add smooth.

The above is only the preferred embodiment of the utility model only, is not limitation with the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (7)

1. a kind of bottom hole disintegrating slag collecting vessel is the strainer flowed through for mud including bottom（22）Staving, the strainer（22） Aperture be less than minimum diameter to clear disintegrating slag；It is coaxially arranged in the middle part of the staving for grouting pipe（1）The set passed through Pipe mechanism（21）；It is characterized in that, the staving is integrally conical, and open-topped diameter is greater than bottom screen（22）It is straight Diameter.

2. bottom hole disintegrating slag collecting vessel as described in claim 1, which is characterized in that be distributed along the circumference on the outer wall of the staving Multiple helical blades（24）, the helical blade（24）The whole axial direction setting along the staving, and staving described in lower end edge It is circumferential to be tilted to side.

3. bottom hole disintegrating slag collecting vessel as claimed in claim 2, which is characterized in that the rotating diameter of the helical blade with it is described The open-topped diameter of staving is consistent.

4. bottom hole disintegrating slag collecting vessel as claimed in claim 2, which is characterized in that between the two neighboring helical blade most Small spacing is greater than the maximum gauge to clear disintegrating slag.

5. bottom hole disintegrating slag collecting vessel as described in claim 1, which is characterized in that the cone angle of the staving is 45 ° ~ 60 °.

6. bottom hole disintegrating slag collecting vessel as described in claim 1, which is characterized in that the staving is welded using steel plate, institute State casing mechanism（21）Circumferential direction have multiple reinforcing ribs being connect with the staving.

7. bottom hole disintegrating slag collecting vessel as described in claim 1, which is characterized in that the strainer（22）5mm is greater than using thickness Steel plate be made, be evenly equipped with filter hole on the steel plate.