阅读说明：本技术 一种海贝采挖机的挖掘头总成 (Excavating head assembly of seashell excavating machine ) 是由 管伯青 于 2019-11-27 设计创作，主要内容包括：本发明提供了一种海贝采挖机的挖掘头总成,属于贝类采集设备技术领域。它解决了现有的贝类采集效率低的问题。本海贝采挖机的挖掘头总成,包括主轴,挖掘头总成还包括轮板,所述轮板的外圆周上具有若干个沿周向依次设置的挖掘齿,挖掘齿的外端均沿顺向弯折并形成钩部,相邻的挖掘齿之间均具有齿槽,所述轮板的中心处开设有轴孔；轮板具有若干个并且沿主轴的轴向排列,相邻的轮板之间均具有间隙,挖掘齿沿主轴的轴向形成有若干排挖掘齿排,相邻的挖掘齿排之间具有齿槽排,主轴穿设在若干个轴孔内,轮板和主轴同步转动。本结构显著提高了贝类的采集效率,并降低了贝类采掘成本。(The invention provides a digging head assembly of a seashell digging machine, and belongs to the technical field of shellfish collecting equipment. It has solved the problem that current shellfish collection efficiency is low. The excavating head assembly of the seashell excavating machine comprises a main shaft and also comprises a wheel plate, wherein a plurality of excavating teeth which are sequentially arranged along the circumferential direction are arranged on the outer circumference of the wheel plate, the outer ends of the excavating teeth are bent along the forward direction to form hook parts, tooth spaces are arranged between every two adjacent excavating teeth, and the center of the wheel plate is provided with a shaft hole; the wheel plates are provided with a plurality of excavating tooth rows, the excavating tooth rows are formed in the axial direction of the main shaft, tooth groove rows are arranged between the adjacent excavating tooth rows, the main shaft penetrates through a plurality of shaft holes, and the wheel plates and the main shaft rotate synchronously. The structure obviously improves the shellfish collecting efficiency and reduces the shellfish digging cost.)

1. The excavating head assembly of the seashell excavating machine comprises a main shaft (1) and is characterized by further comprising a wheel plate (2), wherein a plurality of excavating teeth (21) are sequentially arranged on the outer circumference of the wheel plate (2) along the circumferential direction, the outer ends of the excavating teeth (21) are bent along the forward direction to form hook parts (211), tooth grooves (22) are formed between every two adjacent excavating teeth (21), and a shaft hole (23) is formed in the center of the wheel plate (2); the wheel plate (2) is provided with a plurality of and is arranged along the axial direction of the main shaft (1), a gap (50) is formed between every two adjacent wheel plates (2), a plurality of rows of excavating tooth rows (30) are formed in the axial direction of the main shaft (1) of the excavating teeth (21), a tooth groove row (40) is formed between every two adjacent excavating tooth rows (30), the main shaft (1) penetrates through a plurality of shaft holes (23), and the wheel plates (2) and the main shaft (1) rotate synchronously.

2. The excavating head assembly of a seashell excavating machine according to claim 1 wherein the inner diameter of the shaft hole (23) is larger than the outer diameter of the main shaft (1) so that the inside of the excavating head assembly forms a hollow structure.

3. The seashell excavating head assembly of the seashell excavating machine according to claim 2, characterized in that a supporting structure is arranged between at least two wheel plates (2) and the main shaft (1), the supporting structure comprises a mounting ring (7) and a plurality of radial plates (8), the mounting ring (7) is sleeved on the main shaft (1), a spacing sleeve (20) sleeved on the main shaft (1) is arranged between the adjacent mounting rings (7), two ends of the spacing sleeve (20) are respectively abutted against the corresponding mounting rings (7), the plurality of radial plates (8) are arranged along the circumferential direction of the mounting rings (7), and one end of the radial plates (8) is fixedly connected with the mounting rings (7), and the other end of the radial plates is fixedly connected with the wheel plates (2).

4. The excavating head assembly of the seashell excavating machine according to claim 1, wherein one side of the excavating tooth (21) comprises a sloping side (21a) and a first arc side (21b), the other side of the excavating tooth (21) is a second arc side (21c), and the second arc side (21c) is recessed toward the sloping side (21 a); the second arc edge (21c), the inclined edge (21a) and the first arc edge (21b) on two adjacent digging teeth (21) are sequentially connected to form the tooth groove (22).

5. The excavating head assembly of a seashell excavating machine according to claim 1 or 4, wherein a reinforcing rod (3) is arranged at each excavating tooth row (30), the reinforcing rods (3) are arranged along the axial direction of the main shaft (1), and the reinforcing rods (3) are fixedly connected with the hook parts (211) in the excavating tooth row (30).

6. The excavating head assembly of a seashell excavating machine according to claim 5, wherein the inner side wall of the hook part (211) is provided with a clamping groove (212), the reinforcing rod (3) is embedded in the clamping groove (212) and the reinforcing rod (3) is fixed with the hook part (211).

7. The excavating head assembly of the seashell excavating machine according to claim 1, wherein mounting holes (24) are formed in the wheel plates (2) corresponding to each excavating tooth (21), each excavating tooth row (30) is provided with a rotating shaft (9), the rotating shaft (9) penetrates through all the mounting holes (24) in each excavating tooth row (30), a driving rod (12) with one end connected with the rotating shaft (9) is arranged in a gap between adjacent wheel plates (2), a driven gear (10) is arranged at the end of the rotating shaft (9), and the excavating head assembly further comprises a driving gear (11) meshed with the driven gear (10).

8. The excavating head assembly of the seashell excavating machine according to claim 7, wherein both ends of the main shaft (1) are provided with side plates (4), a plurality of wheel plates (2) are positioned between the two side plates (4), the end part of the rotating shaft (9) penetrates through the corresponding side plate (4), one side of the driving gear (11) positioned on the driven gear (10) is provided with a handle part (11a) which is rotatably connected to the side plate (4), the driving gear (11) is meshed with the driven gear (10), and the driving gear (11) is provided with a handle part (11a) which is arranged along the radial direction of the driving gear (11).

9. The excavating head assembly of the seashell excavating machine according to claim 7, wherein the outer peripheral surface of the rotating shaft (9) is provided with a through threaded hole (91), the inner end of the deflector rod (12) is screwed on the threaded hole (91), and the end surfaces of the inner end and the outer end of the deflector rod (12) are provided with inner hexagonal counter bores (12 a).

10. The excavating head assembly of the seashell excavating machine according to claim 8, wherein the outer side of the side plate (4) is provided with a gear seat (13) arranged on the main shaft (1), the gear seat (13) is circumferentially positioned on the main shaft (1), the driving gear (11) is provided with a lug boss (11b) arranged along the radial direction, the outer peripheral surface of the gear seat (13) is provided with a plurality of limiting lug bosses (13a), and the limiting lug bosses (13a) are in one-to-one correspondence with the lug bosses (11 b); the driving gear (11) is provided with a torsion spring (60) which can enable the driving gear (11) to rotate towards the limiting boss (13a), and when the lug boss (11b) abuts against the corresponding limiting boss (13a), the outer end of the shifting lever (12) is located in a gap (50) between the wheel plate (2) and the wheel plate (2).

11. The pick head assembly of claim 10, wherein, the outer end of the gear seat (13) is provided with a gear cavity (13b), the inner circumferential surface of the gear cavity (13b) is fixed with a gear ring (15), a gear (16) meshed with the gear ring (15) is arranged in the gear cavity (13b), a step (13c) is arranged on the inner edge of the outer end face of the gear seat (13), a cover plate (16) is arranged on the outer side of the step (13c) in the gear cavity (13b), a limiting block (17) for limiting the outward movement of the cover plate (16) is fixed on the outer end surface of the gear seat (13), the cover plate (16) is provided with a through hole (23), the digging head assembly also comprises a hydraulic motor (18), the output shaft of the hydraulic motor (18) penetrates through the through hole (16a) and is fixedly connected with the gear (16).

12. The excavating head assembly of the seashell excavating machine according to claim 11, wherein the number of the limiting blocks (17) is at least three, and all the limiting blocks (17) are arranged along the circumferential direction of the outer end surface of the gear seat (13); stopper (17) include base (171) and shrouding (172), installation cavity (171a) have been seted up on the lateral wall of base (171), set up opening (171b) that communicate installation cavity (171a) on the inside wall of base (171), be provided with roller (173) in installation cavity (171a), be provided with bearing (174) on roller (173), the part of bearing (174) is passed opening (171b) and is stretched out installation cavity (171a), the outer peripheral face of bearing (174) leans on with mutually of apron (16), shrouding (172) are fixed on base (171) and are sealed installation cavity (171a), be provided with spring (175) between shrouding (172) and roller (173).

13. The excavating head assembly of the seashell excavating machine according to claim 7, wherein a plurality of wheel plates (2) and two side plates (4) are connected through a first fastening connecting rod (5), sleeves (6) sleeved on the first fastening connecting rod (5) are arranged between the adjacent wheel plates (2) and between the wheel plates (2) and the side plates (4), two ends of each sleeve (6) are respectively abutted against the corresponding wheel plate (2), and the wheel plates (2) and the sleeves (6) are mutually compressed.

Technical Field

The invention belongs to the technical field of shellfish collection equipment, relates to a shellfish digger, and particularly relates to a digging head assembly of the shellfish digger.

Background

Various shellfish which are bred along the beach in China at present are important components of seafood in China, the demand of market seashells is increased along with the continuous improvement of living standard of people, but the shellfish harvest on the beach is all captured manually in various places, the shellfish is captured by the beach according to tidal water time, the actual operation time is short, the operation is inconvenient, the operation is heavy and labor is dirty and tired, the current young people are reluctant to carry out the beach painting operation, the operation on the beach painting operation is mostly performed by old people who are healthy and experienced over fifty years old, the efficiency of manually carrying out the seashell painting and digging the shellfish is low, the labor cost is high, the shellfish accounts for more than 50% of the breeding cost, the labor cost is particularly expensive in busy seasons, and the problem of difficult labor is also existed. In rainy and snowy days and frozen days, the operations of catching shellfish in the upper sea and the lower sea cannot be referred to, the market consumption price is high, and the development of the beach shellfish aquaculture industry is greatly restricted.

In order to improve the seashell collection efficiency, the current chinese patent network discloses a shellfish digging device [ grant publication No.: CN105052850U, which comprises a boat-shaped body, wherein the body is provided with a power mechanism, the bottom of the body is provided with a crawler traveling mechanism, the front part of the body is provided with a digging bin and a storage bin, the bottom of the digging bin is open, a digging wheel is arranged in the digging bin, the digging wheel is provided with a horizontal wheel shaft, the digging wheel rotates by taking the wheel shaft as a shaft, the rotating direction is opposite to the advancing direction of the body, and the bottom of the digging wheel extends downwards into silt from the opening at the bottom of the digging bin to dig shellfish; the digging wheel comprises two vertical flat plates fixed on a wheel shaft, the wheel shaft vertically penetrates through the centers of the vertical flat plates, a plurality of rectangular flat plates are arranged between the vertical flat plates, the rectangular flat plates are sequentially connected end to end around the wheel shaft, the distance between the center of the inner surface of each rectangular flat plate and the axial lead of the wheel shaft is equal, the rectangular flat plates are fixedly connected with the vertical flat plates, the tail end of each rectangular flat plate is provided with a row of claw nails which are distributed at equal intervals, the back surfaces of the claw nails are tangent to the outer surface of the other rectangular flat plate connected with the tail end of the rectangular flat plate, the front ends of the claw nails are bent, and the.

When the shellfish excavating device works, when the body is coated on a beach to move, the rotation direction of the excavating wheel is opposite to the proceeding direction of the body, the bent claw nails extend into the space below the sediment, and the shellfish in the sediment is excavated out along with the rotation of the excavating wheel, so the shellfish excavating device has the following defects: 1. the excavated shellfish falls on the rectangular flat plate, although partial silt flows out from gaps between the claw nails in the excavating process, most silt brought out by the excavated shellfish and the shellfish are mixed and piled on the rectangular flat plate, and along with the rotation of the excavating wheel, when the rectangular flat plate begins to incline, the shellfish and the silt slide down to the conveying device from the rectangular flat plate together under the action of self gravity, so that the conveying device is all a mixture of the shellfish and the silt, and the shellfish also needs to be manually sorted out from the silt, thereby not only having certain labor intensity, but also ensuring that the shellfish excavating efficiency is not high; 2. a large amount of mixture of silt and shellfish is accumulated on the rectangular flat plate, so that the weight of the excavating wheel is obviously increased, the burden of the excavating wheel during rotation is increased, the oil consumption of the excavator during working is greatly increased, and the cost for excavating the shellfish is increased; in addition, in the process of digging shellfish on the beach painting by the digging wheel, silt on the beach painting can block the rectangular flat plate, the digging depth depends on the linear distance between the claw nail and the rectangular flat plate, and when the digging depth is greater than the linear distance between the claw nail and the rectangular flat plate, the digging wheel can not rotate.

Disclosure of Invention

The invention aims to provide an excavating head assembly of a seashell excavator aiming at the problems in the prior art, and the technical problems to be solved by the invention are as follows: how to improve the shellfish digging efficiency and reduce the shellfish digging cost.

The purpose of the invention can be realized by the following technical scheme:

the excavating head assembly of the seashell excavator comprises a main shaft and is characterized by further comprising a wheel plate, wherein a plurality of excavating teeth are sequentially arranged on the outer circumference of the wheel plate along the circumferential direction, the outer ends of the excavating teeth are bent along the forward direction to form hook parts, tooth grooves are formed between every two adjacent excavating teeth, and a shaft hole is formed in the center of the wheel plate; the wheel plates are arranged along the axial direction of the main shaft, gaps are formed between every two adjacent wheel plates, a plurality of excavating tooth rows are formed on the excavating teeth along the axial direction of the main shaft, tooth groove rows are formed between every two adjacent excavating tooth rows, the main shaft penetrates through a plurality of shaft holes, and the wheel plates and the main shaft rotate synchronously.

The excavating head assembly is installed on a seashell excavating machine for use, when the excavating head assembly is used, the main shaft rotates to drive all the wheel plates to rotate, the excavating tooth rows penetrate into a mud flat through the hook parts, along with the rotation of the wheel plates, silt and shellfish are carried out together after the excavating tooth rows are exposed out of the mud flat, and the silt and the shellfish are located in corresponding tooth groove rows.

Firstly, in the working process of the excavating wheel in the prior art, the excavated shellfish falls on the rectangular flat plate, although partial silt flows out from gaps between the claw nails in the excavating process, most silt and shellfish brought out by the excavated shellfish are mixed and piled on the rectangular flat plate, and along with the rotation of the excavating wheel, when the rectangular flat plate begins to incline, the shellfish and the silt slide down to the conveying device from the rectangular flat plate together under the action of self gravity, so that the conveying device is all a mixture of the shellfish and the silt, the shellfish also needs to be manually sorted out from the silt, and the excavating wheel not only has certain labor intensity, but also has low shellfish excavating efficiency; in the process of excavating the shellfish by circumferentially rotating the excavating head assembly, most of silt in the shellfish and silt mixture in the gullet row leaks downwards from the space between the wheel plate and the wheel plate under the action of self gravity and falls back to the beach for coating, and the shellfish cannot leak downwards from the space between the wheel plate and the wheel plate due to large volume, so that the separation of most of silt is finished before the shellfish is transferred to the conveying belt mechanism, and the silt and the shellfish can slide down to the conveying belt mechanism from the corresponding gullet row along with the rotation of the excavating head assembly, so that the silt on the conveying belt mechanism is less, the subsequent shellfish sorting is facilitated, and the shellfish sorting efficiency is improved.

Secondly, in the shellfish excavating process of the excavating wheel in the prior art, when a large amount of silt and shellfish mixtures are accumulated on the rectangular flat plate, the weight of the excavating wheel is obviously increased, the burden of the excavating wheel during rotation is increased, the oil consumption of the excavator during working is greatly increased, and the shellfish excavating cost is improved; in addition, the shellfish on the conveying mechanism carries less silt, so that the phenomenon that the conveying mechanism is blocked can be avoided.

Finally, in the process of digging shellfish on the beach painting by the digging wheel in the prior art, silt on the beach painting can block the rectangular flat plate, the digging depth depends on the linear distance between the claw nail and the rectangular flat plate, and when the digging depth is greater than the linear distance between the claw nail and the rectangular flat plate, the digging wheel can not rotate; in the excavating head assembly, the wheel plates are spaced from each other, and in the process of excavating the shellfish, silt on the beach painting can be squeezed into the space between the wheel plates, so that the blocking effect of the silt on the beach painting on the excavating head assembly is reduced, the excavating head assembly can be embedded into the silt to a certain depth, and the excavating depth of the shellfish is improved.

In the above excavating head assembly of the seashell excavator, the inner diameter of the shaft hole is larger than the outer diameter of the main shaft, so that a hollow structure is formed inside the excavating head assembly. Through the setting of this structure, the structure that the internal diameter in shaft hole is greater than the external diameter of main shaft makes the center department of wheel board dig out by a large tracts of land, has reduced the weight of wheel board, and the center department of every wheel board is dug out by a large tracts of land and is made to excavate the inside hollow structure that is of head assembly, falls into the inside back of excavating the head assembly when silt, along with excavating the rotation of head assembly, is favorable to silt to spill outward towards all sides, improves the efficiency that spills of silt.

In foretell seashell excavator's digging head assembly, be provided with bearing structure between two at least wheel boards and the main shaft, bearing structure includes collar and a plurality of radials, the collar is established on the main shaft to the collar cover, is provided with the cover between the adjacent collar and establishes the spacer sleeve on the main shaft, and the both ends of spacer sleeve offset respectively with corresponding collar and lean on, and the circumference setting of collar is followed to a plurality of radials to the one end and collar fixed connection, the other end and the wheel board fixed connection of radials. Because all wheel boards form wholly through fastening connecting rod one, and the setting of collar and radials then plays the effect of support to the whole of all wheel boards formation, guarantees that the overall structure that all wheel boards formed is stable, and then guarantees the operation that the whole that all wheel boards formed can be stable, and spacer sleeve and collar compress tightly each other, and the setting of spacer sleeve plays the effect of location to the collar, avoids the collar to follow the axial displacement of main shaft on the main shaft.

In the excavating head assembly of the seashell excavator, one side edge of the excavating tooth comprises a slant edge and a first arc edge, the other side edge of the excavating tooth is a second arc edge, and the second arc edge is sunken towards the slant edge; the second arc edge, the inclined edge and the first arc edge on two adjacent digging teeth are sequentially connected to form the tooth groove. Through the arrangement of the structure, after the digging tooth row is pierced into the mudflat, the circular arc edge II plays a role in blocking, the digging tooth row is guaranteed to shovel shellfish from the mudflat, the shellfish is located in the corresponding tooth socket row, the inclined edge and the circular arc edge play a role in guiding along with the rotation of the wheel plate, the shellfish can slide downwards along the inclined edge and the circular arc edge, the shellfish can slide outwards from the corresponding tooth socket row, and the transfer of the shellfish is realized.

In the excavating head assembly of the seashell excavator, each excavating tooth row is provided with the reinforcing rod, the reinforcing rods are arranged along the axial direction of the main shaft, and the reinforcing rods are fixedly connected with the hook parts in the excavating tooth rows. Through the setting of this structure, the stiffener links together all excavation teeth in the row of the tooth that excavates for every excavation tooth row forms a whole, has improved the structural strength who excavates the tooth, avoids singly excavating the tooth to pierce the circumstances that takes place bending deformation after going up the mud flat, improves the life who excavates the tooth.

In the excavating head assembly of the seashell excavator, the inner side wall of the hook part is provided with a clamping groove, the reinforcing rod is embedded in the clamping groove, and the reinforcing rod is welded with the hook part. Through the setting of this structure, at the in-process of excavating the shellfish, hook portion pierces the mud flat at first, and hook portion belongs to the position that easily takes place to deform, carries out the structure to hook portion after stiffener and the welding of portion of colluding and strengthens, avoids hook portion to take place deformation, and the stiffener is at the welded in-process moreover, and the draw-in groove plays the effect of location to the locating position of stiffener, has improved stiffener welded convenience.

In the digging head assembly of the seashell digging machine, the wheel plates are provided with mounting holes corresponding to all digging teeth, each digging tooth row is provided with a rotating shaft, the rotating shafts penetrate through all the mounting holes in each digging tooth row, a driving lever with one end connected with the rotating shaft is arranged in a gap between every two adjacent wheel plates, the end part of each rotating shaft is provided with a driven gear, and the digging head assembly further comprises a driving gear meshed with the driven gear. Through the setting of this structure, when shellfish and silt were located corresponding tooth's socket and arrange, the driving gear rotated the back and drives driven gear and rotate with the pivot, and then drives the epaxial driving lever outwards swing for shellfish and silt in corresponding tooth's socket row are stirred to the driving lever, help silt to spill from the clearance between wheel board and the wheel board, further improve the separation effect of silt and shellfish at digging head assembly.

In foretell seashell excavator's digging head assembly, the both ends of main shaft all are provided with the curb plate, and a plurality of wheel board is located between two curb plates to the tip of pivot runs through corresponding curb plate, and the driving gear is located one side of driven gear and is provided with the rotation and connect on the curb plate, the driving gear meshes with driven gear, have the stalk portion along the radial setting of driving gear on the driving gear. The handle drives the driving gear to rotate, the side plate blocks the two ports of the gullet row, and shellfish is prevented from leaking out of the two ports of the gullet row.

In the excavating head assembly of the seashell excavator, the outer peripheral surface of the rotating shaft is provided with a through threaded hole, the inner end of the driving lever is in threaded connection with the threaded hole, and the end faces of the inner end and the outer end of the driving lever are provided with inner hexagonal counter bores. Through the setting of this structure, during the driving lever installation, the one end of hexagonal spanner is inserted in the interior hexagonal counter bore of driving lever outer end, rotates the driving lever through hexagonal spanner and makes the inner spiro union of driving lever in the threaded hole, because the interior tip of driving lever takes place the rupture easily, when the interior tip of driving lever takes place the rupture back, the driving lever can remain in the screw hole, can insert the inner hexagonal counter bore of driving lever inner with the one end of hexagonal spanner this moment, conveniently will remain the driving lever in the screw hole and unload from the screw hole.

In foretell seashell excavator's digging head assembly, the outside of curb plate has the pinion stand of setting on the main shaft, the pinion stand circumference location on the main shaft, connect and the pinion stand compresses tightly on the curb plate through fastening connecting rod two between two pinion stands, have the lug along radial setting on the driving gear, be provided with the spacing boss of a plurality of on the outer peripheral face of pinion stand, spacing boss and lug one-to-one, be provided with on the driving gear and enable the driving gear towards spacing boss pivoted torsional spring, when the lug offsets with corresponding spacing boss and leans on, the outer end of driving lever (12) is arranged in the clearance between wheel plate and the wheel plate. Through the arrangement of the structure, the handle part can drive the rotating shaft to rotate so as to drive the shifting lever to rotate outwards, after the handle part is released, the rotating shaft rotates and resets under the action of the torsion spring so as to drive the shifting lever to rotate inwards, and when the lug abuts against the corresponding limiting boss, the shifting lever rotates in place; the main shaft drives the gear seat to synchronously rotate after rotating, and the gear seat, the side plate and the wheel plate are synchronously rotated, so that the corresponding convex blocks can abut against the corresponding limiting bosses when the shifting lever is rotated inwards to reset.

In foretell first assembly of excavation of sea shellfish excavator, the outer end of gear seat has the gear chamber, be fixed with the ring gear on the inner peripheral surface in gear chamber, be provided with the gear with ring gear engaged with in the gear chamber, the step has been seted up to the interior border of the outer terminal surface of gear seat, the outside that the gear intracavity lies in the step is provided with the apron, be fixed with the stopper that the outside of restriction apron moved on the outer terminal surface of gear seat, the through-hole has been seted up on the apron, this first assembly of excavation still includes hydraulic motor, hydraulic motor's output shaft is worn to establish in the through-hole and links firmly with the gear. Through the setting of this structure, hydraulic motor drive gear rotates and then drives the ring gear and rotate, drives the gear wheel seat rotation after the ring gear rotates, and hydraulic motor's output shaft wears to establish the structure in the through-hole and makes the gear wheel seat cover not take place to rotate at pivoted in-process, and the apron seals the gear chamber, avoids outside silt to enter into the gear intracavity to make ring gear and the dead condition of gear card.

In the excavating head assembly of the seashell excavator, the number of the limiting blocks is at least three, and all the limiting blocks are arranged along the circumferential direction of the outer end face of the gear seat; the stopper includes base and shrouding, the installation cavity has been seted up on the lateral wall of base, set up the opening of intercommunication installation cavity on the inside wall of base, be provided with the roller bearing in the installation cavity, be provided with the bearing on the roller bearing, the part of bearing passes the opening and stretches out the installation cavity, the outer peripheral face of bearing pastes with mutually of apron and leans on, the shrouding is fixed on the base and seals the installation cavity, be provided with the spring between shrouding and the roller bearing. When the gear seat pivoted in-process, the apron is motionless, and the bearing of the structure that the outer peripheral face of bearing and apron contacted rolls on the apron, and the setting of spring then guarantees that the outer peripheral face of bearing offsets with the apron all the time and leans on, reduces the frictional force between stopper and the apron, avoids stopper and apron to take place along the condition of wearing and tearing.

In the excavating head assembly of the seashell excavator, the plurality of wheel plates and the two side plates are connected through the first fastening connecting rod, sleeves sleeved on the first fastening connecting rod are arranged between the adjacent wheel plates and between the wheel plates and the side plates, two ends of each sleeve are abutted against the corresponding wheel plates respectively, and all the wheel plates and all the sleeves are mutually compressed. Through the setting of this structure, the shellfish is avoided leaking from the both ends of excavating the head assembly in the setting of curb plate, all round boards are guaranteed that the shellfish is located corresponding one row of tooth's socket at the pivoted in-process, the fastening connection pole one links together two curb plates and all round boards, and between sleeve and the round board, all compress tightly each other between sleeve and the curb plate, make two curb plates and all round boards form a whole, improve the stability of round board at the shellfish in-process of excavating, and telescopic setting then guarantees between curb plate and the round board, there is the clearance between round board and the round board.

Compared with the prior art, the excavating head assembly of the seashell excavating machine has the following advantages:

1. when the shellfish sorting device is used, the main shaft rotates to drive all the wheel plates to rotate, the digging tooth rows penetrate into a beach through the hook parts, silt and shellfish are carried out together after each row of digging teeth are exposed out of the beach along with the rotation of the wheel plates, the silt and the shellfish are located in the corresponding gullet rows, most of the silt leaks downwards from gaps between the wheel plates under the action of self gravity and falls back to the beach during the rotation of all the wheel plates, and the shellfish cannot leak downwards from the gaps between the wheel plates due to large volume, so that the separation of most of the silt of the shellfish is finished before the transfer, the subsequent shellfish sorting is convenient, and the shellfish sorting effect is improved.

2. In the rotation process of all the wheel plates, most of silt on the excavating head assembly falls back to the beach for coating, so that the bearing burden of the wheel plates in the rotation process is greatly reduced, the oil consumption of the excavator in the working process is reduced, and the shellfish excavating cost is further reduced.

3. In the excavating head assembly, the wheel plate and the wheel plate are spaced, and in the process of excavating shellfish, silt on the beach painting can be squeezed into the space between the wheel plate and the wheel plate by the excavating head assembly, so that the blocking effect of the silt on the beach painting on the excavating head assembly is reduced, the excavating head assembly can be embedded into the silt to a certain depth, and the excavating depth of the shellfish is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is a schematic view of a wheel plate of the present invention having a web thereon.

Fig. 3 is a partial perspective view of the present invention.

Fig. 4 is one of the schematic cross-sectional structures of the present invention.

FIG. 5 is a second schematic cross-sectional view of the present invention.

Fig. 6 is an enlarged schematic view of a portion a in fig. 4.

Fig. 7 is an enlarged schematic view of a portion a in fig. 5.

Fig. 8 is a partial perspective view of the rotating shaft and the shift lever of the present invention.

Fig. 9 is a schematic cross-sectional structure of the rotating shaft and the shift lever of the present invention.

Fig. 10 is one of the schematic views of the explosive structure of the present invention.

Fig. 11 is a schematic perspective view of the stopper of the present invention.

Fig. 12 is an exploded view of the stopper of the present invention.

Fig. 13 is a second schematic diagram of the explosive structure of the present invention.

In the figure, 1, main shaft; 2. a wheel plate; 21. digging teeth; 21a, an inclined surface; 21b, a first arc surface; 21c, a second arc surface; 211. a hook portion; 212. a card slot; 213. lightening holes; 22. a tooth socket; 23. a shaft hole; 24. mounting holes; 3. a reinforcing bar; 4. a side plate; 5. fastening the first connecting rod; 6. a sleeve; 7. a mounting ring; 8. a web; 9. a rotating shaft; 91. a threaded hole; 10. a driven gear; 11. a driving gear; 11a, a handle; 11b, a bump; 12. a deflector rod; 12a, an inner hexagonal counter bore; 13. a gear seat; 13a, a limiting boss; 13b, a gear cavity; 13c, a step; 14. fastening a second connecting rod; 15. a ring gear; 16. a cover plate; 16a, a through hole; 17. a limiting block; 171. a base; 171a, a mounting cavity; 171b, through ports; 172. closing the plate; 173. a roller; 174. a bearing; 175. a spring; 18. a hydraulic motor; 19. a gear; 20. a spacer sleeve; 30. excavating a tooth row; 40. tooth socket rows; 50. a gap; 60. a torsion spring.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.