CN215718497U - A dig and get device that is used for drily boring of loess layer to dig - Google Patents
A dig and get device that is used for drily boring of loess layer to dig Download PDFInfo
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- CN215718497U CN215718497U CN202022954765.2U CN202022954765U CN215718497U CN 215718497 U CN215718497 U CN 215718497U CN 202022954765 U CN202022954765 U CN 202022954765U CN 215718497 U CN215718497 U CN 215718497U
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Abstract
The utility model relates to a digging device for dry drilling and tunneling of loess layers, wherein a righting and pushing limit frame is positioned at the upper part of a connecting mechanism, the top of a weighting component is fixedly connected with the righting and pushing limit frame, the weighting component is positioned at the middle part of the connecting mechanism, the righting and pushing mechanism is connected in the righting and pushing limit frame, a digging cutter head is positioned at the lower part of the connecting mechanism and is connected with the bottom of the connecting mechanism, one end of a steel wire rope penetrates through a pulley on the support frame to be connected with the top of a connecting mechanism of the digging device, the other end of the steel wire rope is connected with a driving device to drive the whole digging device to do free-fall motion so as to carry out dry drilling and digging well holes, the digging device with the structure can prevent the deviation of the borehole during the drilling construction, meet the drilling construction requirements in stratum structures such as loess layer construction, cement gum layer, large-scale cracks, karst caves and the like, and lay a foundation for the later stage of the lower conduit and the inner and outer annular sealing of the conduit.
Description
Technical Field
The utility model relates to the field of petroleum drilling engineering, in particular to a digging device for dry drilling and tunneling of loess layers.
Background
The loess plateau shallow surface layer drilling is easy to leak, the leakage rate reaches 29.49%, the drilling fluid leakage can directly flow into rivers and farmlands, and causes environmental pollution, the traditional drilling process is difficult to completely solve the problem of loess layer leakage, and therefore a loess layer dry drilling technology is developed for the purpose, but in the actual prior art, when a drill bit meets the joint surface of soft and hard stratums, one side of the drill bit is less in hard stratums, the other side of the drill bit is more in soft stratums, so that the drill bit is inclined, the well deflection is caused, and the subsequent drilling construction is influenced, therefore, the utility model provides the excavating device for the dry drilling of the loess layer.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the defects of the prior art, provides the excavating device for dry drilling tunneling of loess layers, and particularly has the characteristic of preventing the deviation of a borehole during drilling construction.
The technical problem solved by the utility model can be realized by adopting the following technical scheme:
a dig and get device that is used for drily boring of loess layer to dig, include
A connecting mechanism;
the righting pushing limiting frame is positioned at the upper part of the connecting mechanism;
the top of the weighting component is fixedly connected with the righting pushing limiting frame, and the weighting component is positioned in the middle of the connecting mechanism;
the righting pushing mechanism is connected in the righting pushing limiting frame;
and the digging and taking tool bit is positioned at the lower part of the connecting mechanism and is connected with the bottom of the connecting mechanism.
Coupling mechanism include first connecting piece, second connecting piece and third connecting piece, first connecting piece is used for being connected with drive arrangement for connecting rings, and the device is dug to the drive and dry-drilled and tunnelling the wellhole, and the second connecting piece is a connection well core rod, connects rings fixed connection at the top of connecting well core rod, rings bottom is the baffle structure, baffle structure and the top fixed connection of connecting well core rod, rings upper portion are the loop configuration, third connecting piece fixed connection is in the bottom of connecting well core rod, rights spacing frame and aggravate the subassembly and all cup joint and push away on connecting well core rod.
The upper part of the connecting center rod is further sleeved with a limiting spring, the upper end of the limiting spring is fixedly connected with the bottom of the baffle structure, the other end of the limiting spring extends to the position righting pushing limiting frame in a state of not deforming, the other end of the limiting spring is further connected with a limiting stop ring, and the limiting stop ring is also sleeved on the connecting center rod.
The third connecting piece include connecting seat and connecting block, a connecting seat lateral wall and the bottom fixed connection of being connected well core rod, it has the recess to open on another lateral wall of connecting seat, the recess both ends all are connected with the connecting block, the both ends of connecting seat are articulated with connecting block one end through the pin respectively, the connecting block other end with dig and get tool bit fixed connection.
The digging and taking tool bit is two semicircular tile-shaped blades, the thickness of the two semicircular tile-shaped blades is 80-150 mm, the inner side walls of the upper parts of the two semicircular tile-shaped blades are respectively connected with the two ends of the third connecting piece, the two semicircular tile-shaped blades form a cylindrical outer diameter of 300-800 mm after being connected with the two ends of the third connecting piece, and the end faces of the lower parts of the two semicircular tile-shaped blades are also provided with a cutting edge structure along the circumferential direction.
The weighting component is of a cylindrical structure and made of rigid materials, the outer diameter of the weighting component is consistent with the outer diameter of the digging and taking tool bit, the middle part of the weighting component is provided with a first through hole, the weighting component is sleeved on the connecting mechanism through the first through hole and can move up and down, righting and pushing against spacing frame includes baffle and spacing connecting plate, the baffle is the disc structure, the external diameter of disc structure is unanimous with the external diameter that aggravates the subassembly, open at the middle part of disc structure has the second through-hole, the disc structure cup joints on the second connecting piece through the second through-hole, the one end of spacing connecting plate and the bottom fixed connection of baffle, the spacing connecting plate other end and the top fixed connection who aggravates the subassembly, spacing connecting plate is provided with a plurality ofly, a plurality of spacing connecting plates are evenly connected between the bottom face of baffle and the top face that aggravates the subassembly along circumference, righting and pushing against the mechanism and connecting on spacing connecting plate.
Righting and pushing away mechanism include first clamping ring, second clamping ring and bow-shaped shell fragment, bow-shaped shell fragment is provided with a plurality ofly, between first clamping ring of the even fixed connection of circumference and second clamping ring, first clamping ring and second clamping ring have a plurality of notch along the outer corresponding opening from top to bottom of the last equal of circumference of edge, first clamping ring and second clamping ring all are connected with limit connection board through a plurality of notch, and the second clamping ring still passes a plurality of notch through the screw and aggravates the top face fixed connection of subassembly.
The circular maximum outer diameter formed by the plurality of the arched elastic sheets is 10-40 mm larger than the outer diameter of the digging cutter head, the arched elastic sheets are provided with 6-12 pieces, and the distance between the first connecting ring and the second connecting ring is smaller than the height of the limiting connecting plate.
And a buffer spring is connected between the weighting component and the digging and taking tool bit.
The weight of the weighting component is 500kg-800 kg.
The utility model has the beneficial effects that:
compared with the prior art, when the loess layer is drilled, one end of a steel wire rope is connected with the top of a connecting mechanism, the other end of the steel wire rope is connected with a driving device, a support frame is positioned right above a position to be drilled, a pulley is arranged at the top of the support frame, one end of the steel wire rope penetrates through the pulley to be connected with the top of the connecting mechanism of a digging device, the other end of the steel wire rope is connected with the driving device to drive the whole digging device to do free falling motion, the whole digging device does free falling motion downwards under the action of a weighting component to be impacted to the ground, at the moment, a digging cutter head grabs loess after penetrating into the soil layer, the driving device drives the whole digging device to move upwards after catching the loess, a righting mechanism righting and pushing the loess on a well wall when the whole digging device enters or exits from the well hole, the soil fetching of the loess layer by the digging device is realized, and the well hole is not deviated, after the excavating device is completely moved out of the well hole, the excavating device is located in the semi-air right above the well hole at the moment, then the loess collecting device is moved to the position right below the excavating device with the captured loess, the excavating device is driven by the driving device to shake up and down in the semi-air to enable the loess to naturally fall off, the fallen loess enters the loess collecting device, finally the captured loess is transferred to a specified place by the loess collecting device, the construction steps are repeated until the well hole with the required depth is formed, the dry drilling excavation construction is finished, the excavating device for the dry drilling of the loess layer can prevent the deviation of the well hole in the drilling construction, the drilling construction requirements in stratum structures such as loess layer construction and cement layer, large cracks, karst caves and the like are met, and a foundation is laid for the inner and outer annular sealing of the lower conduit and the conduit in the later period.
When the construction of dry drilling and digging a well hole is carried out, the steel wire rope is connected with the hanging ring, then the other end of the steel wire rope is connected with the driving device to drive the whole digging device to carry out dry drilling and digging the well hole, the limiting spring is used for grabbing loess when the whole digging device carries out free-falling body movement to the ground, the generated recoil force carries out limit buffering on the centering pushing limit frame, the centering pushing mechanism and the weighting assembly on the connecting central rod to avoid being separated from the connecting central rod, wherein the baffle structure at the bottom of the flying ring is also used for limiting and buffering the righting pushing limit frame, the righting pushing mechanism and the weighting assembly after being subjected to the recoil force, the limiting stop ring connected with the other end of the limiting spring is used for limiting and buffering the weighting assembly after being subjected to the recoil force, therefore, the structure ensures that the whole digging device does free falling body movement until the ground is subjected to recoil force and cannot deflect, and further ensures that the well hole which is tunneled by the dry method cannot deflect.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the weighting assembly of the present invention.
Fig. 3 is a structural schematic diagram of the centralizing and pushing mechanism of the utility model.
Fig. 4 is an internal structural view of the present invention connecting the position of the third connecting member.
In the figure: 1-a first connecting piece, 2-a second connecting piece, 3-a third connecting piece, 4-a weighting component, 5-a digging cutter head, 6-a baffle, 7-a limiting connecting plate, 8-a first connecting ring, 9-a second connecting ring, 10-a bow-shaped elastic sheet, 11-a buffer spring, 12-a connecting seat, 13-a connecting block and 14-a limiting spring.
Detailed Description
It should be noted that, in the embodiments of the present invention, the terms referred to are:
the utility model relates to a digging device, which is a dry drill digging bit used for grabbing loess in drilling construction.
The dry drill bit comprises a connecting mechanism, a centering pushing limiting frame, a weighting component 4, a centering pushing mechanism and a digging cutter head 5.
The connecting mechanism is divided into a first connecting piece 1, the upper portion of the first connecting piece is used for being connected with a driving device, the middle portion of the first connecting piece is used for being connected with a second connecting piece 2, the righting pushing mechanism is used for being connected with a righting pushing limiting frame and a second connecting piece 2, the bottom portion of the second connecting piece is used for being connected with a digging cutter head 5, namely the first connecting piece 1 is fixedly connected to the top portion of the second connecting piece 2, and the third connecting piece 3 is connected to the bottom portion of the second connecting piece 2, so that the connecting mechanism of the whole digging device is formed.
The centralizing pushing limiting frame is used for being connected with a centralizing pushing mechanism, the centralizing pushing limiting frame is fixedly connected with the weighting component 4 to form a whole body connected to the second connecting piece 2, the centralizing pushing limiting frame is of a frame structure, and the centralizing pushing mechanism is connected in the frame structure.
And a weighting component 4 for increasing pressure to the whole digging device.
The centralizing and pushing mechanism is used for centralizing and pushing loess on a well wall when the whole excavating device performs dry well drilling, and enters or exits the well, so that the excavating device can take the loess on the loess layer, and the well is ensured not to be deflected.
And the digging and taking tool bit 5 is used for breaking a soil layer after the whole digging and taking device enters a loess layer, and grabbing soil when the digging and taking device comes out, so that the drilling of tunneling petroleum drilling on a loess plateau by a dry drilling method is realized.
The following will describe in detail the solution of the excavating device for dry drilling and tunneling in loess soil according to the embodiments of the present invention with several specific embodiments.
Example 1:
referring to fig. 1, which is a schematic overall structure diagram of the excavating device for dry drill tunneling in loess, the excavating device for dry drill tunneling in loess comprises
A connecting mechanism;
the righting pushing limiting frame is positioned at the upper part of the connecting mechanism;
the top of the weighting component 4 is fixedly connected with the righting pushing limiting frame, and the weighting component 4 is positioned in the middle of the connecting mechanism;
the righting pushing mechanism is connected in the righting pushing limiting frame;
and the digging cutter head 5 is positioned at the lower part of the connecting mechanism and is connected with the bottom of the connecting mechanism.
When carrying out loess layer well drilling in the above-mentioned implementation, earlier through wire rope one end connection coupling mechanism's top, then the wire rope other end connects drive arrangement, drive arrangement include hoist unit and drive dolly, the hoist unit is installed on the drive dolly, the position of drive arrangement is convenient for adjust to the drive dolly, supporting mechanism is for being used for supporting the support frame of digging the device of getting, dig get the device and get the dry drill bit for the digging that is used for snatching loess. The support frame is positioned right above a position to be drilled, the top of the support frame is provided with a pulley, one end of a steel wire rope penetrates through the pulley to be connected with the top of a connecting mechanism of the digging device, the other end of the steel wire rope is connected with a driving device to drive the whole digging device to do free-falling body movement, the whole digging device does free-falling body movement downwards under the action of the weighting component 4 to be flushed to the ground, at the moment, a digging tool bit 5 digs loess after penetrating into a soil layer, the driving device drives the whole digging device to move upwards after grabbing the loess, the righting pushing mechanism is used for righting and pushing the loess on a well wall when the whole digging device enters or exits the well, the digging device is used for fetching the loess on the loess layer, so that the well is ensured not to be deflected, when the digging device is completely moved out of the well, the digging device is positioned in the midair right above the well, and then the loess collecting device is moved to be right below the digging device grabbing the loess, the device is dug to get through drive arrangement drive again and is carried out in half an empty upper and lower shake and make the loess naturally fall, and the loess that drops gets into loess collection device, and the loess that will snatch out through loess collection device at last shifts appointed place, repeats this construction step until the wellhole back that forms required degree of depth, and the construction is driped futilely to the end, loess collection device can also be electric drive or oil drive's collection vehicle for the hand push collection vehicle, and the device is got to the tunnelling that is used for the dry drilling of loess layer through this structure and prevents to be drilling well hole incline in carrying out the drilling construction, has satisfied at loess layer construction and clay layer, the drilling construction demand in stratum structures such as large-scale crack and solution cavity, has laid the basis for the interior outer annular space of lower conduit and conduit of later stage seals.
Example 2:
referring to fig. 1, further coupling mechanism include first connecting piece 1, second connecting piece 2 and third connecting piece 3, first connecting piece 1 is used for being connected with drive arrangement for connecting rings, and the device is dug in the drive and carries out the dry drilling tunnelling well hole, and second connecting piece 2 is a connection well core rod, connects rings fixed connection at the top of connecting well core rod, rings bottom is the baffle structure, baffle structure and the top fixed connection who is connected well core rod, rings upper portion is cyclic annular structure, 3 fixed connection of third connecting piece are in the bottom of connecting well core rod, and it pushes away spacing frame and aggravates subassembly 4 and all cup joint on connecting well core rod to right.
Further connect the upper portion of well core rod still cup jointed spacing spring 14, spacing spring 14's upper end and the bottom fixed connection of baffle structure, spacing spring 14's the other end extends to and rights and pushes away in the spacing under the state that does not produce deformation, spacing spring 14's the other end still is connected with spacing barrier ring, spacing barrier ring also cup joints on connecting well core rod.
The baffle structure at the bottom of the hanging ring in the above embodiment may be a circular structure or a rectangular structure, the annular structure at the upper part of the hanging ring may be a steel plate ring integrally formed with the baffle structure, or a circular steel ring is fixedly connected with the baffle structure to form the hanging ring, when the dry drilling excavation well hole construction is performed, the steel wire rope is connected with the hanging ring, then the other end of the steel wire rope is connected with the driving device to drive the whole excavating device to perform the dry drilling excavation well hole, the limiting spring 14 is used for limiting and buffering the centering pushing limiting frame, the centering pushing mechanism and the weighting component 4 on the connecting central rod by the generated recoil force when the whole excavating device performs the free falling body movement to the ground to grab loess, so as to avoid the disconnection of the connecting central rod, wherein the baffle structure at the bottom of the hanging ring is also the limiting and buffering the centering pushing limiting frame, the centering pushing mechanism and the weighting component 4 after the recoil force is applied, the limiting stop ring connected with the other end of the limiting spring 14 is used for limiting and buffering the weight assembly 4 after being subjected to the recoil force, so that the whole digging device is ensured to move freely to the ground without deflection after being subjected to the recoil force through the structure, and further, the hole dug through the dry method is ensured not to deflect.
Example 3:
referring to fig. 4, an internal structure diagram of a position of connecting the third connecting member.
Further third connecting piece 3 include connecting seat 12 and connecting block 13, a lateral wall of connecting seat 12 and the bottom fixed connection of being connected well core rod, it has the recess to open on another lateral wall of connecting seat 12, the recess both ends all are connected with connecting block 13, the both ends of connecting seat 12 are articulated with connecting block 13 one end through the pin respectively, the connecting block 13 other end with dig and get tool bit 5 fixed connection.
Further the digging and taking tool bit 5 is two semicircular tile-shaped blades, the thickness of the two semicircular tile-shaped blades is 80mm-150mm, the inner side walls of the upper parts of the two semicircular tile-shaped blades are respectively connected with the two ends of the third connecting piece 3, the two semicircular tile-shaped blades form a cylindrical outer diameter of 300mm-800mm after being connected with the two ends of the third connecting piece 3, and the end faces of the lower parts of the two semicircular tile-shaped blades are also provided with a cutting edge structure along the circumferential direction.
In the above embodiment, the two semicircular tile-shaped blades are welded to the other ends of the connecting blocks 13 at the two ends of the connecting base 12, the vertical movement distance of the whole third connecting piece 3 is 0mm-100mm, the movement distance of the left and right connecting blocks 13 is 0mm-50mm, when the vertical movement distance of the whole third connecting piece 3 is 50mm, the movement distance of the left connecting block 13 and the right connecting block 13 is 25mm, the construction effect is good, the further connecting blocks 13 and the connecting seats 12 can be fixedly connected or can be hinged, when the two semicircular tile-shaped blades move downwards during hinging, the two semicircular tile-shaped blades can be opened, when the hole is lifted upwards, the loess is packed and grabbed by inward force, and when the driving device shakes the whole digging device, two semicircle tile-shaped blades open along with the shake and fall into the loess that snatchs and collect in the loess collection device and shift.
The thickness of the two semicircular tile-shaped blades is 120mm, the cylindrical outer diameter formed by the two semicircular tile-shaped blades after being connected with the two ends of the third connecting piece 3 is 600mm, the digging and taking tool bit 5 with the size is suitable for being used in a conventional loess layer and drilling a well hole in a large size, and can also be used for manufacturing digging and taking devices with different sizes according to the requirements of different well hole sizes so as to meet the construction requirement of actual loess layer drilling, the lower end surfaces of the two semicircular tile-shaped blades are also provided with a cutting edge structure along the circumferential direction so that the blades can conveniently enter and cut off the soil layer when entering the ground during free falling body movement, the construction is accelerated, the side walls of the two blades at the gaps at the two sides of the cylinder formed by the two semicircular tile-shaped blades are cut off with an oblique angle, the two oblique angles form a V-shaped shape, and the upper end and the lower end at the cylindrical gap formed by the two semicircular tile-shaped blades are provided with a V-shaped opening, the shake that the soil of guaranteeing to snatch can be relaxed drops.
Example 4:
referring to fig. 2 and 3, fig. 2 is a structural schematic diagram of a weighting assembly, and fig. 3 is a structural schematic diagram of a righting and pushing mechanism.
Further, the weighting component 4 is of a cylindrical structure and made of rigid materials, the outer diameter of the weighting component 4 is consistent with the outer diameter of the digging cutter head 5, a first through hole is formed in the middle of the weighting component 4, the weighting component 4 is connected to the connecting mechanism in a sleeved mode through the first through hole and can move up and down, the righting pushing limiting frame comprises a baffle 6 and a limiting connecting plate 7, the baffle 6 is of a disc structure, the outer diameter of the disc structure is consistent with the outer diameter of the weighting component 4, a second through hole is formed in the middle of the disc structure, the disc structure is connected to the second connecting piece 2 in a sleeved mode through the second through hole, one end of the limiting connecting plate 7 is fixedly connected with the bottom of the baffle 6, the other end of the limiting connecting plate 7 is fixedly connected with the top of the weighting component 4, the limiting connecting plates 7 are provided with a plurality, and the limiting connecting plates 7 are uniformly connected between the bottom face of the baffle 6 and the top face of the weighting component 4 along the circumferential direction, the righting and pushing mechanism is connected to the limit connecting plate 7.
Further right and push away mechanism include first clamping ring 8, second clamping ring 9 and bow-shaped shell fragment 10, bow-shaped shell fragment 10 is provided with a plurality ofly, between the even fixed connection first clamping ring 8 of circumference and second clamping ring 9 of a plurality of bow-shaped shell fragments 10, first clamping ring 8 and second clamping ring 9 have a plurality of notch along the outer edge of circumference equal upper and lower correspondence of going up, first clamping ring 8 and second clamping ring 9 all are connected with limit connection board 7 through a plurality of notch, and second clamping ring 9 still passes a plurality of notch through the screw and aggravates the top face fixed connection of subassembly 4.
Further, the maximum circular outer diameter formed by the plurality of the arched elastic sheets 10 is 10-40 mm larger than the outer diameter of the digging cutter head 5, 6-12 arched elastic sheets 10 are arranged, and the distance between the first connecting ring 8 and the second connecting ring 9 is smaller than the height of the limiting connecting plate 7.
In the above embodiment, the weight increasing component 4 made of rigid material is used for pressurizing the whole digging device, so that the digging tool bit 5 can be forcefully hammered into a soil layer to grab loess, the outer diameter of the weight increasing component 4 is consistent with that of the digging tool bit 5, the outer diameter of the disc structure is consistent with that of the weight increasing component 4, the size of a well hole dug by the whole digging device is consistent, the plurality of limit connecting plates 7 ensure that the whole digging device is straightened and pushed against the firmness of the limit frame, the first connecting ring 8 and the second connecting ring 9 are connected with the limit connecting plates 7, the maximum circular outer diameter formed by the plurality of arched elastic sheets 10 is greater than 25mm than the outer diameter of the digging tool bit 5, the arched elastic sheets 10 are used for straightening loess on the well wall when dry drilling is carried out for digging the well hole, so that the digging device can fetch loess on the loess layer, thereby ensuring that the well hole is not deflected, the width of the plurality of concave notches which are respectively arranged on the outer edges of the first connecting ring 8 and the second connecting ring 9 along the circumferential direction and are correspondingly up and down is slightly greater than the thickness of the limit connecting plates 7 The degree satisfies notch and spacing connecting plate 7 joint, and bow-shaped shell fragment 10 is provided with 8, can satisfy the demand when conventional dry drilling tunnelling well hole, and the distance of first connecting collar 8 and second connecting collar 9 is less than the height of spacing connecting plate 7, and the space of reserving is used for righting the buffering of pushing away the mechanism.
Example 5:
further, a buffer spring 11 is connected between the weighting component 4 and the digging cutter head 5.
The weight of the further weighting component 4 is 500kg-800 kg.
The weight of the weighting component 4 in the embodiment is 650kg, so that the requirement of conventional dry drilling for well hole tunneling can be met, the buffer spring 11 between the weighting component 4 and the tunneling cutter head 5 is used for buffering the reverse buffer force when the tunneling cutter head 5 enters a soil layer, and meanwhile, the weighting component 4, the centering pushing limit frame and the centering pushing mechanism are limited to move up and down, so that the practicability of the whole device is ensured.
While the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is within the scope of the claims.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
Technical solutions between various embodiments may be combined with each other, but must be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Claims (10)
1. A dig and get device that is used for drilly drilling in loess layer to tunnel, characterized by: comprises that
A connecting mechanism;
the righting pushing limiting frame is positioned at the upper part of the connecting mechanism;
the top of the weighting component (4) is fixedly connected with the righting pushing limiting frame, and the weighting component (4) is positioned in the middle of the connecting mechanism;
the righting pushing mechanism is connected in the righting pushing limiting frame;
and the digging and taking tool bit (5) is positioned at the lower part of the connecting mechanism and is connected with the bottom of the connecting mechanism.
2. The excavating device for dry drilling and tunneling of loess layers according to claim 1, wherein: coupling mechanism include first connecting piece (1), second connecting piece (2) and third connecting piece (3), first connecting piece (1) is for connecting rings for be connected with drive arrangement, the device is dug to the drive and dry drilling tunnelling well hole is carried out, second connecting piece (2) are a connection well core rod, connect rings fixed connection at the top of connecting well core rod, rings bottom is the baffle structure, baffle structure and the top fixed connection who is connected well core rod, rings upper portion is cyclic annular structure, third connecting piece (3) fixed connection is in the bottom of connecting well core rod, it leans on spacing frame and aggravates subassembly (4) and all cup joint on connecting well core rod to right.
3. The excavating device for dry drilling and tunneling of loess layers according to claim 2, wherein: the upper portion of connecting well core rod still cup jointed spacing spring (14), the bottom fixed connection of the upper end and the baffle structure of spacing spring (14), the other end of spacing spring (14) extends under the state that does not produce deformation and rights and pushes away in the spacing, the other end of spacing spring (14) still is connected with spacing barrier ring, spacing barrier ring also cup joints on connecting well core rod.
4. The excavating device for dry drilling and tunneling of loess layers according to claim 2, wherein: third connecting piece (3) including connecting seat (12) and connecting block (13), a bottom fixed connection of connecting seat (12) lateral wall and being connected well core rod, it has the recess to open on another lateral wall of connecting seat (12), the recess both ends all are connected with connecting block (13), the both ends of connecting seat (12) are articulated with connecting block (13) one end through the pin respectively, the connecting block (13) other end with dig and get tool bit (5) fixed connection.
5. A ripping apparatus for dry drill excavation of loess layers according to claim 1 or 4, wherein: the digging and taking tool bit (5) is two semicircular tile-shaped blades, the thickness of the two semicircular tile-shaped blades is 80-150 mm, the inner side walls of the upper parts of the two semicircular tile-shaped blades are respectively connected with the two ends of the third connecting piece (3), the two semicircular tile-shaped blades form a cylindrical outer diameter of 300-800 mm after being connected with the two ends of the third connecting piece (3), and the end faces of the lower parts of the two semicircular tile-shaped blades are further provided with a cutting edge structure along the circumferential direction.
6. The excavating device for dry drilling and tunneling of loess layers according to claim 2, wherein: aggravate subassembly (4) be the cylinder structure, make by rigid body material, the external diameter that aggravates subassembly (4) is unanimous with the external diameter of digging and getting tool bit (5), the middle part of aggravating subassembly (4) is opened there is first through-hole, aggravate subassembly (4) and cup joint through first through-hole and can reciprocate on coupling mechanism, righting and pushing away and including baffle (6) and spacing connecting plate (7) by spacing, baffle (6) are disc structure, disc structure's external diameter is unanimous with the external diameter that aggravates subassembly (4), disc structure's middle part is opened there is the second through-hole, disc structure cup joints on second connecting piece (2) through the second through-hole, the one end of spacing connecting plate (7) and the bottom fixed connection of baffle (6), spacing connecting plate (7) other end and the top fixed connection that aggravates subassembly (4), spacing connecting plate (7) are provided with a plurality ofly, a plurality of spacing connecting plates (7) are along the bottom face that circumference evenly connected baffle (6) with aggravate subassembly (4) Between the top surfaces, the righting and pushing mechanism is connected on the limit connecting plate (7).
7. The excavating device for dry drilling and tunneling of loess layers according to claim 6, wherein: righting and pushing away the mechanism and including first clamping ring (8), second clamping ring (9) and bow-shaped shell fragment (10), bow-shaped shell fragment (10) are provided with a plurality ofly, between even fixed connection first clamping ring (8) and second clamping ring (9) of circumference are followed in a plurality of bow-shaped shell fragments (10), first clamping ring (8) and second clamping ring (9) have a plurality of notch along the outer edge of circumference equal upper and lower correspondence open, first clamping ring (8) and second clamping ring (9) all are connected with limit connection board (7) through a plurality of notch, and second clamping ring (9) still pass a plurality of notch through the screw and aggravate top face fixed connection of subassembly (4).
8. The apparatus of claim 7, wherein the main body comprises: the circular maximum outer diameter formed by the plurality of the arched elastic sheets (10) is 10-40 mm larger than the outer diameter of the digging cutter head (5), 6-12 arched elastic sheets (10) are arranged, and the distance between the first connecting ring (8) and the second connecting ring (9) is smaller than the height of the limiting connecting plate (7).
9. The excavating device for dry drilling and tunneling of loess layers according to claim 1, wherein: and a buffer spring (11) is connected between the weighting component (4) and the digging cutter head (5).
10. A ripping apparatus for dry drill excavation of loess layers according to claim 1 or 6, wherein: the weight of the weighting component (4) is 500kg-800 kg.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022954765.2U CN215718497U (en) | 2020-12-08 | 2020-12-08 | A dig and get device that is used for drily boring of loess layer to dig |
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| CN202022954765.2U CN215718497U (en) | 2020-12-08 | 2020-12-08 | A dig and get device that is used for drily boring of loess layer to dig |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118216288A (en) * | 2024-05-23 | 2024-06-21 | 中国农业科学院草原研究所 | Grass-original stellera chamaejasme continuous root mowing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118216288A (en) * | 2024-05-23 | 2024-06-21 | 中国农业科学院草原研究所 | Grass-original stellera chamaejasme continuous root mowing device |
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