CN108755673B - Pipeline retracting mechanism of cement mixing pile machine - Google Patents
Pipeline retracting mechanism of cement mixing pile machine Download PDFInfo
- Publication number
- CN108755673B CN108755673B CN201810791641.1A CN201810791641A CN108755673B CN 108755673 B CN108755673 B CN 108755673B CN 201810791641 A CN201810791641 A CN 201810791641A CN 108755673 B CN108755673 B CN 108755673B
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- clutch
- driving
- input shaft
- chain wheel
- component
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- 239000004568 cement Substances 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 48
- 238000005553 drilling Methods 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000004804 winding Methods 0.000 claims description 43
- 238000003825 pressing Methods 0.000 claims description 37
- 210000004907 gland Anatomy 0.000 claims description 32
- 239000002689 soil Substances 0.000 claims description 23
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 9
- 230000001174 ascending effect Effects 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000036346 tooth eruption Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4436—Arrangements for yieldably braking the reel or the material for moderating speed of winding or unwinding
- B65H75/4442—Arrangements for yieldably braking the reel or the material for moderating speed of winding or unwinding acting on the reel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4481—Arrangements or adaptations for driving the reel or the material
- B65H75/4486—Electric motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a pipeline retraction mechanism of a cement mixing pile machine, which comprises a coiling drum coiled with a pipeline assembly, wherein a transmission shaft is fixedly penetrated in an inner hole of the coiling drum and supported on a bracket through a bearing, and the transmission shaft is driven by a driving structure to rotate around the axis of the transmission shaft; the method is characterized in that: the driving structure comprises an input shaft and a clutch component, wherein the input shaft is supported on a bracket and can rotate around the axis of the input shaft, the inner end of the input shaft is connected with the transmission shaft to synchronously rotate with the transmission shaft, the clutch component is sleeved and supported outside the input shaft through a bearing, the clutch component is driven to rotate by a motor transmission structure, and the inner hole of the clutch component is connected with the periphery of the input shaft through a friction plate type clutch assembly. The pipeline retracting mechanism of the cement mixing pile machine can ensure that the pipeline assembly can synchronously descend along with the drilling component and always maintain proper tension in the ascending and descending processes, and effectively prevents the pipeline assembly from being broken or loosened in the pipeline retracting process.
Description
Technical Field
The invention relates to a cement-soil mixing pile machine for pile foundation construction, in particular to a pipeline guiding mechanism for the cement-soil mixing pile machine.
Background
The cement stirring pile foundation is an effective soft foundation treatment form, and particularly when a soft soil layer is reinforced and a foundation pit is supported, a cement paste and soil stirring method is often adopted to form a cement stirring pile body, so that the strength and water stopping performance of the soft foundation are greatly improved. Cement is generally used as a main agent of a curing agent, a cement soil stirring pile machine is used for spraying soil body on cement and forcibly stirring soft soil and the curing agent on site, so that the cement and the soil are subjected to a series of physical and chemical reactions, the cement and the soil are coagulated into a cement reinforcing body with good integrity, water stability and higher strength, a high-quality composite foundation with a certain bearing capacity is formed with a natural foundation, and piles are driven into a treated soft foundation stratum by a pile driver.
For example, a concrete structure of a cement-soil mixing pile machine is disclosed in Chinese patent application No. CN201210014492.0 (publication No. CN 102535450A), a five-shaft cement-soil mixing pile device and a construction method, and Chinese patent application No. 200910069171.9 (publication No. CN 102535450A), a two-way cement-soil mixing pile machine.
The utility model provides a traditional cement soil stirring stake machine its power control part locates subaerial portion, and power transmission's stroke is longer, and the drilling degree of difficulty is big, and stability is poor problem easily appears that the drilling is unable to be bored, and multiple oil pipe and electric wire that this kind of traditional stake machine relates to also all are located subaerial, and the applicant has a more advanced soil body intensive mixing formula chain drill bit, including being located telescopic drilling rod lower part setting up driving system and can entering soil, aquatic and can rotate head and tail connected's cutting carrier along circumference, the surface of cutting carrier has protruding structure. The cutting carrier comprises an annular chain, the protruding structure comprises cutting teeth fixed on the annular chain and protruding out of the surface of the annular chain.
Because the power system is arranged in the cutting carrier and enters the soil along with the cutting carrier, the oil pipe, the slurry pipe or the mortar pipe and the lead wire are required to enter the cutting carrier and descend along with the cutting carrier, and a pipeline retraction structure is required to be arranged. The winding and unwinding structure of the pipeline component can refer to the winding and unwinding structure of the cable, namely, the pipeline component is wound on the coil winding drum, the coil winding drum is driven to rotate through the driving structure, when the coil winding drum winds and unwinds the pipeline component, the diameter formed by the pipeline component on the coil winding drum can be changed along with the coil winding drum, if the coil winding drum winds and unwinds the pipeline component at the same speed, the length of the pipeline component released or wound in unit time can be changed, namely, the length of the pipeline component released or wound in a large-diameter stage is larger than the length of the pipeline component released or wound in a small-diameter stage, so that the pipeline component is easy to loose or broken due to too large tension in the winding and unwinding process.
How to ensure that an oil pipe, a slurry pipe or a mortar pipe and an electric wire descend along with a cutting carrier (a drilling component of a cement-soil mixing pile machine) and do not loosen, and ensure that a pipeline component always maintains proper tension in the process of retraction and extension is a technical problem to be solved by a person skilled in the art.
Disclosure of Invention
The invention aims to solve the technical problem of providing a pipeline retraction mechanism of a cement mixing pile machine, which can ensure that a pipeline assembly can synchronously descend along with a drilling component and maintain proper tension force in the ascending and descending processes all the time, aiming at the current state of the art, and effectively prevents the pipeline assembly from being pulled apart or loosened in the pipeline retraction process.
The technical scheme adopted for solving the technical problems is as follows: the pipeline retraction mechanism of the cement soil mixing pile machine comprises a coiling drum coiled with a pipeline assembly and a telescopic drilling component arranged on a tappet, wherein a transmission shaft is fixedly penetrated in an inner hole of the coiling drum and supported on a bracket through a bearing, and the transmission shaft is driven by a driving structure to rotate around the axis of the transmission shaft; the method is characterized in that: the driving structure comprises an input shaft, a clutch component and a friction plate type clutch component, wherein the input shaft is supported on a bracket and can rotate around the axis of the input shaft, the inner end of the input shaft is connected with the transmission shaft so as to synchronously rotate with the transmission shaft, the clutch component is sleeved and supported outside the input shaft through a bearing, the clutch component is driven to rotate by a motor transmission structure, and an inner hole of the clutch component is connected with the periphery of the input shaft through the friction plate type clutch component; when the torsion force of the coil winding drum is smaller than the friction force of the friction plate type clutch components, the rotation energy of the clutch components synchronously drives the input shaft to rotate; the clutch member slips in a state where the wire winding drum receives a torque force greater than a friction force of the friction plate type clutch assembly combined together, and the input shaft rotates relative to the clutch member.
As a preferable structure of the friction plate clutch assembly, the friction plate clutch assembly comprises a plurality of first friction plates and second friction plates sleeved on an input shaft, wherein the first friction plates and the second friction plates are sequentially and alternately arranged to form a friction plate assembly, the rear end of the friction plate assembly is axially limited and cannot move backwards, an outer gear ring is arranged on the periphery of the first friction plate, an inner gear ring is arranged on the inner hole wall of the second friction plate, an inner clutch gear ring meshed with the outer gear ring on the first friction plate is arranged on the inner hole wall of the clutch part, and an outer clutch gear ring meshed with the inner gear ring on the second friction plate is arranged on the outer periphery wall of the input shaft; the clutch is characterized in that a first pressing plate capable of sliding axially and located in the clutch component is sleeved on the outer peripheral wall of the input shaft, outer ring teeth meshed with the inner clutch gear ring are arranged on the outer periphery of the first pressing plate, and springs enabling the first pressing plate to keep the front end trend of the friction plate component pressed are arranged in the clutch component.
The first friction plate can rotate along with the clutch component, the second friction plate can rotate along with the input shaft, the first friction plate and the second friction plate are sequentially and alternately arranged and are held by the spring to enable the first friction plate and the second friction plate to keep a pressing trend, when the clutch component is driven to rotate by the motor, the first friction plate is driven to rotate, and if the torque force born by the coil winding drum is smaller than the friction force of the first friction plate and the second friction plate combined together at the moment, the rotation of the clutch component can synchronously drive the input shaft to rotate and finally drive the coil winding drum to rotate so as to retract the pipeline component; when the coil winding drum receives torsion force which is larger than the friction force of the first friction plate and the second friction plate which are combined together (in unit time, the length of the pipeline component released by upward movement of the drilling component is smaller than that of the pipeline component when the coil winding drum rotates), the first friction plate and the second friction plate can slide each other, the input shaft rotates relative to the clutch component, and the coil winding drum cannot continue to collect the pipeline component in the sliding process until the length of the pipeline component released by upward movement of the drilling component is matched with that of the pipeline component when the coil winding drum rotates in unit time.
Further improvement, for realizing adjusting the clutch force of tight friction disc subassembly, still the cover is equipped with the second clamp plate that can axial slip and be located the separation and reunion part on the periphery wall of above-mentioned input shaft, the periphery of second clamp plate be equipped with interior separation and reunion ring gear meshing's outer ring tooth, second clamp plate and first clamp plate interval setting around, the spring supports between first clamp plate and second clamp plate, threaded connection is by many adjusting bolt on the preceding lateral wall of separation and reunion part, and adjusting bolt's inner stretches into in the separation and reunion part and the top is held on first clamp plate. If the second clamp plate moves towards being close to first clamp plate direction, the spring is compressed tightly by further, and the frictional force between first friction disc and the second friction disc increases, and the required torsion that skids increases, if the second clamp plate moves towards keeping away from first clamp plate direction, the spring is relaxed, and the frictional force between first friction disc and the second friction disc reduces, and the required torsion that skids weakens.
Preferably, a third pressing plate capable of sliding axially and located in the clutch component is further sleeved on the outer peripheral wall of the input shaft, outer ring teeth meshed with the inner clutch gear ring are arranged on the outer periphery of the third pressing plate, one end of the third pressing plate abuts against the rear side wall of the clutch component, and the rear end of the friction plate assembly abuts against the third pressing plate. The friction plate component is not directly abutted against the rear wall of the clutch component, but abutted against the third pressing plate, and the thickness of the third pressing plate is selectable, so that the friction plate component can be conveniently ensured to be in a proper position, and the assembly is convenient.
Preferably, the clutch component comprises an outer sleeve, a front gland and a rear gland, wherein the front gland and the rear gland are respectively fixed at the front end and the rear end of the outer sleeve, the front gland and the rear gland are arranged on the transmission shaft through bearings, the inner hole of the outer sleeve forms the inner hole of the clutch component, and the front gland and the rear gland double to form the front side wall and the rear side wall of the clutch component. The clutch members also facilitate assembly.
Alternatively, the motor transmission structure comprises a motor, a driving shaft and a transmission chain wheel which is restrained on the periphery of the outer sleeve and can rotate along with the head of the outer sleeve, the driving shaft is supported on the bracket through a bearing, the motor is in driving connection with the driving shaft through a chain transmission structure, the driving shaft is provided with the driving chain wheel, and the driving chain wheel is connected with the transmission chain wheel through a transmission chain. The sprocket drives and can set up the motor in the position of principle separation and reunion part, and chain drive has the advantage that the transmission is steady.
The two driving chain wheels are respectively a large driving chain wheel and a small driving chain wheel, the large driving chain wheel and the small driving chain wheel are sleeved outside the outer sleeve through key slot structures, and meanwhile, the front gland and the rear gland axially limit the driving chain wheel; the driving chain wheels are two, namely a small driving chain wheel and a large driving chain wheel, the small driving chain wheel is connected with the large driving chain wheel through a driving chain, the small driving chain wheel is connected with the small driving chain wheel through the driving chain, the small driving chain wheel and the large driving chain wheel are movably sleeved on the driving shaft, a clutch sleeve which can rotate along with the driving shaft and can axially slide along the driving shaft is sleeved on the driving shaft, and the axis of the clutch sleeve can slide to be combined with the small driving chain wheel or the large driving chain wheel. Thus, two rotational speeds of the clutch component can be adjusted, and as is well known, when the pipeline component is just started to be collected, the pipeline component length collected by the coil winding drum in one turn is shorter, so that the clutch component is required to synchronously drive the coil winding drum to rotate at a higher speed at the beginning stage; after a period of time is taken up, the diameter formed by the pipeline components on the coiled wire winding drum is increased, the length of the pipeline components which are taken up by one circle of rotation of the coiled wire winding drum is prolonged, the coiled wire winding drum is required to be driven to rotate at a slower speed by the clutch component at a slower speed synchronously, and the length of the coiled wire winding drum for taking up and paying off the pipeline in unit time can be well matched with the length of the pipeline components released by the upward movement of the drilling component.
Alternatively, the left and right sides of the clutch sleeve are provided with first combination end face teeth, and the inner end faces of the small driving sprocket and the large driving sprocket are provided with second combination end face teeth matched with the first combination end face teeth.
Further improved, the pipeline assembly comprises two chains which are arranged at intervals left and right and can be driven by the coil winding drum to move, and a plurality of groups of clamping components which are fixed between the two chains and are used for simultaneously clamping a plurality of different pipelines, wherein each clamping component is arranged at intervals along the length direction of the chain; the tail ends of the two chains penetrate through guide holes on the lifters and then are hinged to a section of drill rod adjacent to the drill bit in the drilling component, and the tail ends of the pipelines are connected to corresponding interfaces of the drill bit of the drilling component; the front of the coiling drum is provided with a chain wheel winch, the chain wheel winch is provided with two auxiliary chain wheels which are oppositely arranged at left and right intervals, and the two chains are respectively correspondingly meshed with the two auxiliary chain wheels.
The clamping components capable of firmly clamping a plurality of different pipelines are fixed between the two chains, so that each pipeline can move along with the chain, the end parts of each pipeline and the chain are connected with the drilling component, the pipeline and the chain can move downwards along with the drilling component, meanwhile, the drag chain is wound on the coil winding drum, the coil winding drum is driven by the main power to rotate, and the retraction and the extension of the drag chain are completed. Specifically, drilling part limit descends, and the coiled wire reel rotates simultaneously and releases the tow chain, drilling part limit goes up, and coiled wire reel reverse rotation simultaneously accomodates the pipeline subassembly, and sprocket winch then plays and lets the chain on the tow chain be in tensioning state, avoids pipeline and chain to loosen and arouses the winding, has realized that each pipeline can advance progressively down into the soil body or go up and leave from the soil body along with the chain, avoids each pipeline to be broken up and down or in-process down.
In order to lead the drag chain to be stable in the transmission process, a plurality of guide chain wheels for guiding the chain rows are arranged on the tappet; the tappet rod is provided with an upper guide wheel frame and a lower guide wheel frame, the upper guide wheel frame is fixed on the end face of the tappet rod facing the wire coiling drum, the upper guide wheel frame is positioned above the guide hole, the lower guide wheel frame is fixed on the end face of the tappet rod facing the drilling component, the lower guide wheel frame is positioned below the guide hole, the guide chain wheels are divided into two groups, one group is at least one pair of upper guide chain wheels which are arranged on the upper guide wheel frame and are meshed with the chain above the chain, and the other group is at least one pair of lower guide chain wheels which are arranged on the lower guide wheel frame and are meshed with the chain below the chain. The upper guide sprocket and the lower guide sprocket are positioned on the front side and the rear side of the tappet rod and are respectively positioned above and below the guide hole, so that the chain is guided by the upper guide sprocket and the lower guide sprocket, the chain directly positioned in the chain winch and the drilling component is kept in tension, and meanwhile, the chain is well restrained, and the chain in the guide hole is prevented from colliding with the hole wall of the guide hole.
Compared with the prior art, the invention has the advantages that: the drilling component moves downwards, the wire coiling drum rotates simultaneously to release the drag chain, the drilling component moves upwards, and the wire coiling drum rotates reversely to accommodate the pipeline assembly; when the clutch component is driven to rotate by the motor, the friction plate component is driven to rotate, and if the torque force born by the coil winding drum is smaller than the friction force of the friction plate component, the rotation of the clutch component can synchronously drive the input shaft to rotate, and finally the coil winding drum is driven to rotate so as to retract and release the pipeline component; when the coil winding drum receives torsion force which is larger than the friction force of the friction plate type clutch component, the length of the pipeline component released by upward movement of the drilling component is smaller than that of the pipeline component when the coil winding drum rotates in unit time, the friction plate type clutch component can slide each other, the input shaft rotates relative to the clutch component, the coil winding drum cannot continue to collect the pipeline component in the sliding process until the length of the pipeline component released by upward movement of the drilling component is matched with that of the pipeline component when the coil winding drum rotates in unit time. The pipeline assembly is effectively prevented from being broken or loose due to speed mismatch.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the invention;
FIG. 2 is a schematic illustration of a pipeline assembly in connection with a drilling assembly according to an embodiment of the invention;
FIG. 3 is a schematic diagram of a pipeline assembly according to an embodiment of the invention;
FIG. 4 is a schematic perspective view of an embodiment of the invention;
FIG. 5 is a cross-sectional view of an embodiment of the invention;
FIG. 6 is an enlarged view at A of FIG. 5;
FIG. 7 is a schematic perspective view of a driving structure according to an embodiment of the invention;
fig. 8 is an exploded perspective view of a driving structure in an embodiment of the invention.
The reference numerals are as follows: 1-coiling a wire reel; 2-chain wheel winch; 21-an auxiliary sprocket; 3-a transmission shaft; 4-a bracket; 5-an input shaft; 51-external clutch ring gear; 6-a clutch component; 61-an outer sleeve; 611-inner clutch ring gear; 62-front gland; 63-a rear gland; 7-a clutch assembly; 71-a first friction plate; 711-outer gear ring; 72-a second friction plate; 721-ring gear; 73-a first platen; 731-a first outer ring tooth; 74-springs; 75-a second platen; 751-second outer ring teeth; 76-adjusting bolts; 77-a third platen; 771-third outer ring teeth; 81-a motor; 82-a drive sprocket; 821-large drive sprocket; 822—small drive sprocket; 83-drive sprocket; 831—small drive sprocket; 832-large drive sprocket; 833-second coupling face teeth; 84-drive chain; 85-clutch sleeve; 851-first bond face teeth; 86-drive shaft; 9-a pipeline assembly; 91-a chain; 92-pipeline; 93-a clamping part; 10-lifters; 101-a guide hole; 11-a drilling component; 12-an upper guide wheel frame; 13-a lower guide wheel frame; 14-upper guide sprocket; 15-lower guide sprocket.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 8, a first embodiment of the present invention is shown.
The invention relates to a pipeline retraction mechanism of a cement soil mixing pile machine, which comprises a coiling drum 1 coiled with a pipeline assembly 9, a telescopic drilling component 11 arranged on a tappet 10, wherein the drilling component 11 comprises a drill rod assembly which can only retract up and down, and a cutting carrier arranged below the drill rod assembly, and the drill rod assembly is not rotatable, and is not a main point to be protected by the invention, so that a specific structure is not extended any more.
The inner hole of the coil winding drum 1 is fixedly provided with a transmission shaft 3 in a penetrating way, the transmission shaft 3 is supported on a bracket 4 through a bearing, and the transmission shaft 3 is driven by a driving structure to rotate around the axis of the transmission shaft 3.
The driving structure comprises an input shaft 5, a clutch part 6 and a friction plate type clutch assembly 7, wherein the input shaft 5 is supported on a bracket 4 and can rotate around the axis of the input shaft, the inner end of the input shaft 5 is connected with a transmission shaft 3 to synchronously rotate with the transmission shaft 3, the clutch part 6 is sleeved and supported outside the input shaft 5 through a bearing, the clutch part 6 is driven to rotate by a motor transmission structure, and an inner hole of the clutch part 6 is connected with the periphery of the input shaft 5 through the friction plate type clutch assembly 7; the clutch component 6 comprises an outer sleeve 61, a front gland 62 and a rear gland 63, the front gland 62 and the rear gland 63 are respectively fixed at the front end and the rear end of the outer sleeve 61, the front gland 62 and the rear gland 63 are arranged on the transmission shaft 3 through bearings, the inner hole of the outer sleeve 61 forms the inner hole of the clutch component 6, and the front gland 62 and the rear gland 63 are multiplied to form the front side wall and the rear side wall of the clutch component 6.
In a state that the torsion force applied to the coil winding drum 1 is smaller than the friction force combined with the friction plate type clutch components 7, the rotation of the clutch components 6 can synchronously drive the input shaft 5 to rotate; in a state where the wire winding drum 1 receives a torque force greater than the friction force of the friction plate clutch assembly 7 combined together, the clutch member 6 slips, and the input shaft 5 rotates relative to the clutch member 6.
The friction plate clutch assembly 7 comprises a plurality of first friction plates 71 and second friction plates 72 which are sleeved on the input shaft 5, the first friction plates 71 and the second friction plates 72 are sequentially and alternately arranged to form a friction plate assembly, the rear end of the friction plate assembly is axially limited and cannot move backwards, the outer periphery of the first friction plate 71 is provided with an outer gear ring 711, the inner hole wall of the second friction plate 72 is provided with an inner gear ring 721, the inner hole wall of the clutch part 6 is provided with an inner clutch gear ring 611 meshed with the outer gear ring 711 on the first friction plate 71, and the outer periphery wall of the input shaft 5 is provided with an outer clutch gear ring 51 meshed with the inner gear ring 721 on the second friction plate 72; the outer peripheral wall of the input shaft 5 is sleeved with a first pressing plate 73 capable of sliding axially and positioned in the clutch component 6, the outer periphery of the first pressing plate 73 is provided with a first outer ring tooth 731 meshed with the inner clutch gear ring 611, and the clutch component 6 is internally provided with a spring 74 for enabling the first pressing plate 73 to keep pressing the front end trend of the friction plate assembly.
The outer peripheral wall of the input shaft 5 is also sleeved with a second pressing plate 75 and a third pressing plate 77 which can axially slide and are positioned in the clutch component 6, the outer periphery of the second pressing plate 75 is provided with a second outer ring tooth 751 meshed with the inner clutch gear ring 611, the second pressing plate 75 and the first pressing plate 73 are arranged at intervals in the front-back direction, a plurality of springs 74 are arranged at intervals along the circumference and are supported between the first pressing plate 73 and the second pressing plate 75, the front side wall of the clutch component 6 is in threaded connection with a plurality of adjusting bolts 76, and the inner ends of the adjusting bolts 76 extend into the clutch component 6 and are propped against the first pressing plate 73. The outer periphery of the third pressure plate 77 is provided with a third outer ring gear 771 which meshes with the inner clutch ring gear 611, one end of the third pressure plate 77 abuts against the rear side wall of the clutch member 6, and the rear end of the friction plate assembly abuts against the third pressure plate 77.
The pipeline assembly 9 comprises two chains 91 which are arranged at intervals left and right and can be driven by the coil winding drum 1 to move, and a plurality of groups of clamping components 93 which are fixed between the two chains 91 and are used for simultaneously clamping a plurality of different pipelines 92, wherein each clamping component 93 is arranged at intervals along the length direction of the chain 91; the tail ends of the two chains 91 pass through the guide holes 101 on the tappet 10 and then are hinged on the section of drill rod adjacent to the drill bit in the drilling component 11, and the tail ends of the pipelines 92 are connected to the corresponding interfaces 111 of the drill bit of the drilling component 11; the front of the wire winding drum 1 is provided with a sprocket winch 2, the sprocket winch 2 is provided with two auxiliary sprockets 21 which are oppositely arranged at left and right intervals, and two chains 91 are respectively correspondingly meshed with the two auxiliary sprockets 21.
The tappet 10 is provided with a plurality of guide sprockets for guiding the chain 1; the tappet 10 is mounted with an upper guide pulley frame 12 and a lower guide pulley frame 13, the upper guide pulley frame 12 is fixed on an end face of the tappet 10 facing the wire reel 1, and the upper guide pulley frame 12 is located above the guide hole 101, the lower guide pulley frame 13 is fixed on an end face of the tappet 10 facing the drilling member 11, and the lower guide pulley frame 13 is located below the guide hole 101, the guide pulleys are divided into two groups, one group is at least one pair of upper guide pulleys 14 mounted on the upper guide pulley frame 12 and engaged with the chain 91 above the chain 91, and the other group is at least one pair of lower guide pulleys 15 mounted on the lower guide pulley frame 13 and engaged with the chain 91 below the chain 91. The pairs of upper guide sprockets 14 mounted on the upper carrier 12 are arranged in a gradient arc along the outline locus of the upper carrier 12, and the pairs of lower guide sprockets 12 mounted on the lower carrier 13 are arranged in a gradient arc along the outline locus of the upper carrier 12.
The motor transmission structure comprises a motor 81, a driving shaft 86 and a driving chain wheel 82 which is restrained on the periphery of the outer sleeve 61 and can rotate along with the head of the outer sleeve 61, the driving shaft 86 is supported on the bracket 4 through a bearing, the motor 81 is in driving connection with the driving shaft 86 through a chain transmission structure 87, a driving chain wheel 83 is arranged on the driving shaft 86, and the driving chain wheel 83 is connected with the driving chain wheel 82 through a driving chain 84.
The two driving sprockets 82 are respectively a large driving sprocket 821 and a small driving sprocket 822, the large driving sprocket 821 and the small driving sprocket 822 are sleeved outside the outer sleeve 61 through a key slot structure, and simultaneously, the front gland 62 and the rear gland 63 axially limit the driving sprocket 82; the two driving sprockets 83 are respectively a small driving sprocket 831 and a large driving sprocket 832, the small driving sprocket 831 is connected with the large driving sprocket 821 through a driving chain 84, the small driving sprocket 832 is connected with the small driving sprocket 822 through the driving chain 84, the small driving sprocket 831 and the large driving sprocket 832 are movably sleeved on the driving shaft 86, the driving shaft 86 is sleeved with a clutch sleeve 85 which can rotate along with the driving shaft 86 and can axially slide along the driving shaft 86, and the axial sliding of the clutch sleeve 85 can be combined with the small driving sprocket 83 or the large driving sprocket 832. The clutch sleeve 85 has first engaging end teeth 851 on the left and right sides, and second engaging end teeth 833 engaged with the first engaging end teeth 851 are provided on the inner end surfaces of the small driving sprocket 831 and the large driving sprocket 832.
The working principle and the working process of the retraction mechanism are as follows:
the first friction plate 71 can rotate along with the clutch component, the second friction plate 72 can rotate along with the input shaft 5, when the clutch component 6 is driven to rotate by the motor 81, the first friction plate 71 is driven to rotate, and if the torsion force applied to the wire coiling drum 1 at the moment is smaller than the friction force (provided by the spring 74) of the first friction plate 71 and the second friction plate 72 combined together, the rotation of the clutch component 6 can synchronously drive the input shaft 5 to rotate, and finally the wire coiling drum 1 is driven to rotate so as to retract the pipeline assembly; when the spool 1 receives a torque force greater than the friction force of the first friction plate 71 and the second friction plate 72 (the length of the pipeline assembly 9 released by the upward movement of the drilling member 11 is smaller than the length of the pipeline assembly 9 collected when the spool 1 rotates in unit time), the first friction plate 71 and the second friction plate 72 slip each other, the input shaft 5 rotates relative to the clutch member 6, and the spool 1 cannot continue collecting the pipeline assembly 9 during slip until the length of the pipeline assembly 9 released by the upward movement of the drilling member 11 matches the length of the pipeline assembly 9 collected when the spool 1 rotates in unit time.
It should be noted that, in the description of the present embodiment, the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Claims (6)
1. The pipeline retraction mechanism of the cement soil mixing pile machine comprises a coiling drum (1) coiled with a pipeline assembly (9), a telescopic drilling component (11) arranged on a tappet (10), a transmission shaft (3) is fixedly arranged in an inner hole of the coiling drum (1) in a penetrating manner, the transmission shaft (3) is supported on a bracket (4) through a bearing, and the transmission shaft (3) is driven by a driving structure to rotate around the axis of the transmission shaft; the method is characterized in that: the driving structure comprises an input shaft (5), a clutch part (6) and a friction plate type clutch assembly (7), wherein the input shaft (5) is supported on a bracket (4) and can rotate around the axis of the input shaft, the inner end of the input shaft (5) is connected with the transmission shaft (3) to synchronously rotate with the transmission shaft (3), the clutch part (6) is sleeved and supported outside the input shaft (5) through a bearing, the clutch part (6) is driven to rotate by a motor transmission structure, and an inner hole of the clutch part (6) is connected with the periphery of the input shaft (5) through the friction plate type clutch assembly (7); in a state that the torsion force born by the coil winding drum (1) is smaller than the friction force combined by the friction plate type clutch components (7), the rotation of the clutch components (6) can synchronously drive the input shaft (5) to rotate; in a state that the torsion force applied to the coil winding drum (1) is larger than the friction force combined with the friction plate type clutch components (7), the clutch components (6) slip, and the input shaft (5) rotates relative to the clutch components (6);
the friction plate type clutch assembly (7) comprises a plurality of first friction plates (71) and second friction plates (72) which are sleeved on an input shaft (5), the first friction plates (71) and the second friction plates (72) are sequentially and alternately arranged to form a friction plate assembly, the rear end of the friction plate assembly is axially limited and cannot move backwards, an outer gear ring (711) is arranged on the periphery of the first friction plate (71), an inner gear ring (721) is arranged on the inner hole wall of the second friction plate (72), an inner clutch gear ring (611) meshed with the outer gear ring (711) on the first friction plate (71) is arranged on the inner hole wall of the clutch part (6), and an outer clutch gear ring (51) meshed with the inner gear ring (721) on the second friction plate (72) is arranged on the outer periphery of the input shaft (5); a first pressing plate (73), a second pressing plate (75) and a third pressing plate (77) which can axially slide and are positioned in the clutch component (6) are sleeved on the outer peripheral wall of the input shaft (5), an outer ring tooth (731) meshed with the inner clutch gear ring (611) is arranged on the outer periphery of the first pressing plate (73), and a spring (74) which enables the first pressing plate (73) to keep the trend of pressing the front end of the friction plate component is arranged in the clutch component (6); the periphery of the second pressing plate (75) is provided with a second outer ring gear (751) meshed with the inner clutch gear ring (611), the second pressing plate (75) and the first pressing plate (73) are arranged at intervals in the front-back direction, the spring (74) is supported between the first pressing plate (73) and the second pressing plate (75), the front side wall of the clutch part (6) is in threaded connection with a plurality of adjusting bolts (76), and the inner ends of the adjusting bolts (76) extend into the clutch part (6) and are propped against the first pressing plate (73); the periphery of the third pressing plate (77) is provided with a third outer ring gear (771) meshed with the inner clutch gear ring (611), one end of the third pressing plate (77) is abutted against the rear side wall of the clutch part (6), and the rear end of the friction plate assembly is abutted against the third pressing plate (77);
the clutch component (6) comprises an outer sleeve (61), a front gland (62) and a rear gland (63), wherein the front gland (62) and the rear gland (63) are respectively fixed at the front end and the rear end of the outer sleeve (61), the front gland (62) and the rear gland (63) are arranged on the transmission shaft (3) through bearings, an inner hole of the outer sleeve (61) forms an inner hole of the clutch component (6), and the front gland (62) and the rear gland are folded (63) to form a front side wall and a rear side wall of the clutch component (6).
2. The pipe line retracting mechanism of a cement mixing pile machine according to claim 1, wherein: the motor transmission structure comprises a motor (81), a driving shaft (86) and a driving chain wheel (86) which is restrained at the periphery of the outer sleeve (61) and can rotate along with the head of the outer sleeve (61), the driving shaft (86) is supported on a bracket (4) through a bearing, the motor (81) is in driving connection with the driving shaft (86) through a chain transmission structure (87), a driving chain wheel (83) is arranged on the driving shaft (86), and the driving chain wheel (83) is connected with the driving chain wheel (82) through a driving chain (84).
3. The pipe line retracting mechanism of a cement mixing pile machine according to claim 2, wherein: the two transmission chain wheels (82) are respectively a large transmission chain wheel (821) and a small transmission chain wheel (822), the large transmission chain wheel (821) and the small transmission chain wheel (822) are sleeved outside the outer sleeve (61) through key slot structures, and meanwhile, the front gland (62) and the rear gland (63) axially limit the transmission chain wheel (82); the driving chain wheels (83) are two, namely a small driving chain wheel (831) and a large driving chain wheel (832), the small driving chain wheel (831) is connected with the large driving chain wheel (821) through a driving chain (84), the large driving chain wheel (832) is connected with the small driving chain wheel (822) through the driving chain (84), the small driving chain wheel (831) and the large driving chain wheel (832) are movably sleeved on the driving shaft (86), the driving shaft (86) is sleeved with a clutch sleeve (85) which can rotate along with the driving shaft (86) and can axially slide along the driving shaft (86), and the axial sliding of the clutch sleeve (85) can be combined with the small driving chain wheel (831) or the large driving chain wheel (832).
4. A pipe line jack for a soil cement mixer pile machine according to claim 3, wherein: first combination face teeth (851) are arranged on the left side and the right side of the clutch sleeve (85), and second combination face teeth (833) matched with the first combination face teeth (851) are arranged on the inner end faces of the small driving sprocket (831) and the large driving sprocket (832).
5. The pipe line retracting mechanism of a cement mixing pile machine according to claim 1, wherein: the pipeline assembly (9) comprises two chains (91) which are arranged at intervals left and right and can be driven by the coil winding drum (1) to move, and a plurality of groups of clamping components (93) which are fixed between the two chains (91) and are used for simultaneously clamping a plurality of different pipelines (92), wherein each clamping component (93) is arranged at intervals along the length direction of the chain (91); the tail ends of the two chains (91) pass through guide holes (101) on the tappet (10) and then are hinged on the section of drill rod adjacent to the drill bit in the drilling component (11), and the tail ends of the pipelines (92) are connected to corresponding interfaces (111) of the drill bit of the drilling component (11); the front of the coil winding drum (1) is provided with a chain wheel winch (2), the chain wheel winch (2) is provided with two auxiliary chain wheels (21) which are oppositely arranged at left and right intervals, and the two chains (91) are respectively correspondingly meshed with the two auxiliary chain wheels (21).
6. The pipe line retracting mechanism of the cement mixing pile machine according to claim 5, wherein: the tappet (10) is provided with a plurality of guide sprockets for guiding the chain (1); the tappet (10) is provided with an upper guide wheel frame (12) and a lower guide wheel frame (13), the upper guide wheel frame (12) is fixed on the end face, facing the coil winding drum (1), of the tappet (10), the upper guide wheel frame (12) is located above the guide hole (101), the lower guide wheel frame (13) is fixed on the end face, facing the drilling component (11), of the tappet (10), the lower guide wheel frame (13) is located below the guide hole (101), the guide chain wheels are divided into two groups, one group is at least one pair of upper guide chain wheels (14) which are arranged on the upper guide wheel frame (12) and meshed with the chain (91) above the chain (91), and the other group is at least one pair of lower guide chain wheels (15) which are arranged on the lower guide wheel frame (13) and meshed with the chain (91) below the chain (91).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810791641.1A CN108755673B (en) | 2018-07-18 | 2018-07-18 | Pipeline retracting mechanism of cement mixing pile machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810791641.1A CN108755673B (en) | 2018-07-18 | 2018-07-18 | Pipeline retracting mechanism of cement mixing pile machine |
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| CN108755673B true CN108755673B (en) | 2024-03-15 |
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|---|---|---|---|---|
| GB385485A (en) * | 1931-06-12 | 1932-12-29 | Nat Supply Corp | Improvements in or relating to drawworks for well-drilling plant |
| GB842435A (en) * | 1957-10-24 | 1960-07-27 | California Research Corp | A drawworks for well drilling |
| GB1367078A (en) * | 1971-11-11 | 1974-09-18 | Wharton Eng Elstree Ltd | Haulage winches |
| US4426064A (en) * | 1981-03-25 | 1984-01-17 | Superwinch, Inc. | Winch drive mechanism |
| CN101029495A (en) * | 2006-02-27 | 2007-09-05 | 包尔机械有限公司 | Supply belt |
| EP3078872A1 (en) * | 2015-04-10 | 2016-10-12 | Goodrich Corporation | Clutch for a winch |
| CN106744415A (en) * | 2016-11-16 | 2017-05-31 | 泰兴市东方海工设备有限公司 | A kind of friction clutch winch |
| CN209025074U (en) * | 2018-07-18 | 2019-06-25 | 周兆弟 | The pipeline jack of cement-soil mixing pile machine |
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2018
- 2018-07-18 CN CN201810791641.1A patent/CN108755673B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB385485A (en) * | 1931-06-12 | 1932-12-29 | Nat Supply Corp | Improvements in or relating to drawworks for well-drilling plant |
| GB842435A (en) * | 1957-10-24 | 1960-07-27 | California Research Corp | A drawworks for well drilling |
| GB1367078A (en) * | 1971-11-11 | 1974-09-18 | Wharton Eng Elstree Ltd | Haulage winches |
| US4426064A (en) * | 1981-03-25 | 1984-01-17 | Superwinch, Inc. | Winch drive mechanism |
| CN101029495A (en) * | 2006-02-27 | 2007-09-05 | 包尔机械有限公司 | Supply belt |
| EP3078872A1 (en) * | 2015-04-10 | 2016-10-12 | Goodrich Corporation | Clutch for a winch |
| CN106744415A (en) * | 2016-11-16 | 2017-05-31 | 泰兴市东方海工设备有限公司 | A kind of friction clutch winch |
| CN209025074U (en) * | 2018-07-18 | 2019-06-25 | 周兆弟 | The pipeline jack of cement-soil mixing pile machine |
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| Publication number | Publication date |
|---|---|
| CN108755673A (en) | 2018-11-06 |
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