CN219281653U - Spiral drill power head - Google Patents

Abstract

The application discloses auger unit head, including mounting bracket, power take off subassembly and buffering coupling assembling, the top detachably of mounting bracket installs on engineering machine tool, is provided with the actuating source in the mounting bracket, and power take off subassembly is installed in the bottom of mounting bracket along axial detachably, and the actuating source is suitable for and drives the auger through power take off subassembly output power and rotate, is provided with buffering coupling assembling between mounting bracket and the power take off subassembly, and buffering coupling assembling is made by flexible material, and buffering coupling assembling is suitable for controlling the impact force of auger to the mounting bracket. An object of the present application is to provide an auger power head that is long in service life, durable, and low in use cost.

Description

Spiral drill power head

Technical Field

The application relates to the field of rotary digging, in particular to an auger power head.

Background

At present, an auger power head is mainly installed on a rotary excavator or an excavator and is used for rotary excavating operation. For convenience of construction and use, the top of the auger power head is typically rotatably mounted on the forearm of the excavator by a pin, and the bottom of the auger power head is provided with a power output shaft adapted to drive the auger to rotate. An additional drive source is typically provided within the auger power head for driving the power take off shaft in rotation. At present, the application of the auger power head on the excavator is more and more wide, and the auger power head can be used for different operation requirements in cooperation with augers with different lengths and shapes.

However, the existing auger power head has short service life, poor durability and high use cost, and the main reasons are as follows:

(1) Because the working condition is poor, dust and soil are more in working, and the axial load is larger when the spiral drilling operation is carried out through the spiral drilling machine, the built-in power output assembly is easy to damage, the problems of blocking, deformation and the like are caused, the spiral drilling machine power head can not be normally used finally, and when the power output assembly is damaged, the spiral drilling machine power head needs to be replaced integrally, and the replacement cost is high;

(2) When facing different working conditions, the spiral drill power head is required to output different torques in a matching way to meet the requirements of different operations, the adjustable gearbox is easy to fail under the poor working conditions of spiral drill work, the service life is short, once the gearbox fails, the spiral drill power head can only be replaced integrally, and the cost is high;

(3) When working conditions of multiple broken stones are faced, load unbalance is caused on each position in the circumferential direction of the auger, so that impact force, formed by the auger, on the driving source in the axial direction is unevenly distributed in the circumferential direction, and the driving source is subjected to additional torque, so that the driving source is easily damaged, and larger loss is caused.

There is therefore a need in the art to develop an auger power head that addresses the above issues.

Disclosure of Invention

An object of the present application is to provide an auger power head that is long in service life, durable, and low in use cost.

In order to achieve the above purpose, the technical scheme adopted in the application is as follows: the utility model provides an auger unit head, includes mounting bracket, power take off subassembly and buffering coupling assembling, the top detachably of mounting bracket installs on engineering machine tool, be provided with the actuating source in the mounting bracket, power take off subassembly is installed along axial detachably the bottom of mounting bracket, the actuating source is suitable for through power take off subassembly output power drives the auger and rotates, the mounting bracket with be provided with buffering coupling assembling between the power take off subassembly, buffering coupling assembling is made by flexible material, buffering coupling assembling is suitable for control the auger is right the impact force of mounting bracket.

Further preferably, the driving source is connected with a first power output shaft, the power output assembly comprises a planetary reduction assembly, the planetary reduction assembly comprises an input end and an output end, the first power output shaft is detachably connected with the input end, the output end is suitable for outputting power and driving the auger to rotate, the buffer connection assembly comprises a buffer ring, a mounting part is arranged on the buffer ring, the buffer ring is connected with the mounting frame and the power output assembly through the mounting part, a protection part is arranged around the mounting part in the radial direction outwards, and the protection part protrudes from the mounting frame in the radial direction and is arranged with the power output assembly.

Still preferably, the power take-off assembly comprises a power take-off housing, the planetary reduction assembly is mounted in the power take-off housing, a first connecting portion is arranged at the bottom of the mounting frame in a protruding mode in the radial direction, a second connecting portion is arranged at the top of the power take-off housing, the first connecting portion, the mounting portion and the second connecting portion are connected in a detachable mode in sequence, and the projection diameter of the protection portion on the horizontal plane is larger than that of the first connecting portion and the second connecting portion.

Further preferably, the first connection portion, the mounting portion, and the second connection portion are detachably connected by bolts, and the mounting portion is provided with bolt through holes adapted to pass through the bolts.

Further preferably, the mounting portion is provided with a limiting portion protruding radially, a limiting portion mounting groove matched with the limiting portion is formed in the bottom of the first connecting portion, the buffer ring is suitable for being mounted in the limiting portion mounting groove through the limiting portion, and the limiting portion is suitable for limiting displacement of the buffer ring.

Further preferably, the top and the bottom of the protection part are both provided with annular protrusions along the circumferential direction, the inner wall of the annular protrusion at the top and the top of the protection part are adapted to define a first mounting groove, the inner wall of the annular protrusion at the bottom and the bottom of the protection part are adapted to define a second mounting groove, the first mounting groove is adapted to mount the first connection part, and the second mounting groove is adapted to mount the second connection part.

Further preferably, the buffer connection assembly comprises a dust ring, a dust ring mounting groove matched with the dust ring is circumferentially and circumferentially arranged at the bottom of the first connection part, and the dust ring is suitable for being mounted in the dust ring mounting groove.

Further preferably, the planetary reduction assembly includes a central wheel, a planetary carrier and an internal gear, the planetary wheel is circumferentially arranged at the outer side of the central wheel and is mutually fixed through the planetary carrier, the internal gear is sleeved at the outer side of the planetary wheel, the central wheel, the planetary wheel and the internal gear are mutually meshed, the input end is arranged on the central wheel, the output end is arranged on the planetary carrier, the internal gear is detachably fixed on the second connecting part, and the first power output shaft is suitable for being detachably connected with the central wheel and is used for driving the planetary carrier to rotate through interaction of the central wheel with the planetary wheel and the internal gear.

Further preferably, a central wheel limiting part is arranged on the top of the planet carrier in a protruding mode in the radial direction, and the central wheel limiting part is suitable for limiting upward displacement of the central wheel.

Further preferably, a mounting cavity is defined in the mounting frame, a mounting through hole is formed in the first connecting portion, the driving source is suitable for axially passing through the mounting through hole and is mounted in the mounting cavity, the mounting frame further comprises a mounting seat, the top of the mounting seat is suitable for abutting against the bottom of the first connecting portion and limiting the mounting seat to move upwards along the axial direction, an output shaft through hole is formed in the mounting seat, the inner wall of the output shaft through hole is sleeved on the first power output shaft through a bearing, the top of the mounting seat protrudes upwards to form a driving source mounting portion, the outer wall of the driving source mounting portion is suitable for abutting against the outer wall of the mounting through hole, the driving source is suitable for being fixed in the mounting cavity through the driving source mounting portion, the bottom of the mounting seat protrudes downwards to form a guiding portion, a guiding hole is formed in the inner wall of the second connecting portion along the axial direction, the axis of the guiding hole coincides with the axis of the central wheel, the outer wall of the guiding portion is suitable for abutting against the inner wall of the guiding hole, the inner wall of the guiding hole protrudes inwards to form a guiding boss along the radial direction, and the guiding boss protrudes inwards to form a guiding boss.

Compared with the prior art, the beneficial effect of this application lies in:

(1) The installation frame in the spiral drill power head is detachably connected with the power output assembly, when the power output assembly is deformed and damaged due to large axial load, the power output assembly can be directly replaced without integrally replacing the whole spiral drill power head, so that the aim of reducing cost is fulfilled;

(2) Because the engineering machinery uses the work Kuang Jiaocha, any high-precision power output assembly is not suitable for the working environment of the engineering machinery, particularly a gearbox with a speed regulation function is easy to be influenced by dust, soil and the like, and the damage of the gearbox is caused;

(3) Through set up buffering coupling assembling between mounting bracket and power take off subassembly, can effectively reduce because the screw drill is uneven at the ascending condition of drive source damage of the axial impact force of reason that the drive source formed, flexible buffering coupling assembling can absorb partial impact force through warping to reduce the damage of relatively poor operating mode to the drive source.

Drawings

FIG. 1 is a schematic view of one embodiment of an auger power head showing a mounting bracket, a power take off assembly, and a buffer connection assembly;

FIG. 2 is an exploded view of one embodiment of an auger power head, showing the construction and mounting of the various components;

FIG. 3 is a cross-sectional view of one embodiment of an auger power head showing a second connection;

FIG. 4a is an enlarged partial view of position A of one embodiment of an auger power head, showing the construction of a guard;

FIG. 4b is an enlarged partial view of position A of one embodiment of an auger power head showing an annular projection;

FIG. 5 is an exploded view of the mounting bracket of one embodiment of the auger power head, illustrating the manner in which the attachment is removable with bolts;

FIG. 6 is a schematic diagram of a power take-off assembly of one embodiment of an auger power head showing an input and an output;

FIG. 7 is a schematic view of a power take-off assembly of one embodiment of an auger power head showing a center wheel limiter;

FIG. 8 is an exploded view of the power take off assembly of one embodiment of an auger power head;

FIG. 9 is an exploded view of the mounting bracket of one embodiment of an auger power head;

FIG. 10 is a cross-sectional view of the mounting bracket of one embodiment of an auger power head showing the mounting seat;

FIG. 11 is an enlarged partial view of position B of one embodiment of an auger power head showing the guide projection;

FIG. 12 is a schematic view of a mount of one embodiment of an auger power head;

FIG. 13 is a schematic view of a buffer collar of one embodiment of an auger power head;

FIG. 14 is a schematic view of a mounting bracket of one embodiment of an auger power head.

In the figure: 1. a mounting frame; 11. a first connection portion; 111. a limit part mounting groove; 112. a dust ring mounting groove; 113. mounting through holes; 12. a mounting cavity; 13. a mounting base; 131. a drive source mounting section; 132. a guide part; 133. an output shaft through hole; 2. a power take-off assembly; 21. a planetary reduction assembly; 211. an input end; 212. an output end; 213. a center wheel; 214. a planet wheel; 215. an internal gear; 216. a planet carrier; 2161. a center wheel limit part; 22. a second power take-off shaft; 23. a power take-off housing; 231. a second connecting portion; 2311. a guide hole; 2312. a guide protrusion; 3. a buffer connection assembly; 31. a buffer ring; 311. a first mounting groove; 312. a second mounting groove; 313. a mounting part; 3131. a limit part; 3132. a bolt through hole; 314. a protective part; 3141. an annular protrusion; 32. a dust ring; 100. a driving source; 101. a first power take-off shaft.

Detailed Description

The present application will be further described with reference to the specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present application, it should be noted that, for the azimuth terms such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present application and simplifying the description, and it is not to be construed as limiting the specific protection scope of the present application that the device or element referred to must have a specific azimuth configuration and operation, as indicated or implied.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

The terms "comprises" and "comprising," along with any variations thereof, in the description and claims of the present application are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements that are expressly listed or inherent to such process, method, article, or apparatus.

The utility model provides an auger unit head, as shown in fig. 1 through 14, including mounting bracket 1, power take off subassembly 2 and buffering coupling assembling 3, the top detachably of mounting bracket 1 installs on engineering machine (engineering machine includes digs soon, excavator etc.), be provided with actuating source 100 in the mounting bracket 1, power take off subassembly 2 is installed in the bottom of mounting bracket 1 along axial detachably, actuating source 100 is suitable for and exports power and drive the auger rotation through power take off subassembly 2, be provided with buffering coupling assembling 3 between mounting bracket 1 and the power take off subassembly 2, buffering coupling assembling 3 is made by flexible material, buffering coupling assembling 3 is suitable for controlling the impact force of auger to mounting bracket 1. It should be noted that the impact force of the auger on the mounting frame 1 is controlled by the buffer connection assembly 3, and since the driving source 100 is disposed in the mounting frame 1, the impact force of the auger on the driving source 100 can also be controlled by the buffer connection assembly 3.

In addition, the buffer connection assembly 3 is made of a flexible material, the flexible material is easy to deform so as to absorb the impact force of the auger on the driving source 100 in the working process, the flexible material and the elastic material are different, the flexible material can absorb the impact force and convert the impact force into internal energy dissipation, and the internal energy dissipation of the elastic material is lower, so that the impact force is difficult to absorb. The existing auger power head has a lower service life, mainly comprises an auger service scene, and can be divided into two service scenes of drilling and soil cleaning in general, dust and soil can be generated under the two service scenes to damage a power output assembly of the power head, and the impact force in the axial direction is unevenly distributed in the circumferential direction due to the structural limitation of the auger, so that additional torque is caused to the driving source 100, and the driving source 100 is damaged.

Therefore, in order to solve the above technical problems, the inventor detachably connects the power take-off assembly 2 and the mounting frame 1, thereby facilitating the replacement in the field when the power take-off assembly 2 is damaged, thereby reducing the use cost and the maintenance cost, and additionally, the buffer connection assembly 3 is additionally installed between the power take-off assembly 2 and the mounting frame 1, and a part of the impact force can be absorbed by using the buffer connection assembly 3 made of a flexible material, thereby reducing the additional impact force to the driving source 100.

Specifically: (1) When the power output assembly 2 is deformed and damaged due to large axial load, the power output assembly 2 can be directly replaced without integrally replacing the whole screw power head, so that the aim of reducing cost is fulfilled, and the driving source 100 is arranged in the screw power head, so that the purchase cost of the driving source 100 is high, and the utility model only needs to be provided with a plurality of power output assemblies 2 instead of a plurality of screw power heads with the driving sources 100 in an operation field, thereby reducing the number of standby driving sources 100 and achieving the aim of saving cost;

(2) Because the engineering machinery uses the work Kuang Jiaocha, any high-precision power output assembly 2 is not suitable for the working environment of the engineering machinery, particularly a gearbox with a speed regulation function is easy to be influenced by dust, soil and the like, so that the gearbox is damaged, and because the mounting frame 1 and the power output assembly 2 are detachably connected, different power output assemblies 2 can be replaced when different torques and rotating speeds are required to be output, so that the manufacturing and maintenance costs are reduced;

(3) Through set up buffering coupling assembling 3 between mounting bracket 1 and power take off subassembly 2, can effectively reduce the circumstances that the driving source 100 damaged because the auger forms along axial impact force at the inhomogeneous distribution of circumference to driving source 100, flexible buffering coupling assembling 3 can absorb partial impact force through the deformation to reduce the damage of relatively poor operating mode to driving source 100.

Further preferably, as shown in fig. 2 and 6, the driving source 100 is connected with a first power output shaft 101, the power output assembly 2 includes a planetary reduction assembly 21, the planetary reduction assembly 21 includes an input end 211 and an output end 212, the first power output shaft 101 is detachably connected with the input end 211, the output end 212 is suitable for outputting power and driving an auger to rotate (in this specific embodiment, the output end 212 is provided with a second power output shaft 22, the second power output shaft 22 is suitable for being connected with a drill rod of the auger), the buffer connection assembly 3 includes a buffer ring 31, a mounting portion 313 is provided on the buffer ring 31, the buffer ring 31 is connected with the mounting frame 1 and the power output assembly 2 through the mounting portion 313, a protecting portion 314 is provided around the mounting portion 313 radially outwards, and the protecting portion 314 is provided radially protruding from the mounting frame 1 and the power output assembly 2.

The mounting portion 313 is provided with a guard portion 314 circumferentially radially outwardly, the guard portion 314 having a variety of different configurations, as shown in fig. 4a, the guard portion 314 being adapted to protrude from the mounting frame 1 and the power take-off assembly 2, the mounting portion 313 being primarily intended to reduce the impact of the auger on the drive source 100, and the protruding guard portion 314 being primarily intended to reduce the ingress of dust or dirt into the planetary reduction assembly 21 from the gap between the power take-off assembly 2 and the mounting frame 1, thereby reducing damage to the planetary reduction assembly 21 during repeated installation.

Further preferably, as shown in fig. 2, 3 and 4a, the power take-off assembly 2 includes a power take-off housing 23, the planetary reduction assembly 21 is installed in the power take-off housing 23, the bottom of the mounting bracket 1 is provided with a first connection portion 11 protruding radially outwards, the top of the power take-off housing 23 is provided with a second connection portion 231, the first connection portion 11, the mounting portion 313 and the second connection portion 231 are detachably connected in sequence, and the projection diameter of the protection portion 314 on the horizontal plane is larger than the projection diameters of the first connection portion 11 and the second connection portion 231. As shown in fig. 2, the guard portion 314 has a larger diameter projected on the horizontal plane than the projected diameters of the first and second connection portions 11 and 231.

The first and second connection parts 11 and 231 are provided to facilitate connection of the mounting bracket 1 and the power take-off assembly 2, and absorb impact force generated by the auger by means of the mounting part 313 and reduce entry of dust or soil into the power take-off assembly 2 during operation by means of the guard part 314.

Further preferably, as shown in fig. 5, the first connection portion 11, the mounting portion 313 and the second connection portion 231 are detachably connected by bolts, and the mounting portion 313 is provided with a bolt through hole 3132 adapted to pass through the bolts.

The mounting portion 313 is provided with the bolt through hole 3132, so that the first connection portion 11, the mounting portion 313, and the second connection portion 231 can be fixed better in the connected state, and the connection stability is improved.

Further preferably, as shown in fig. 13 and 14, the mounting portion 313 is provided with a limiting portion 3131 protruding in the radial direction, the bottom of the first connecting portion 11 is provided with a limiting portion mounting groove 111 matching with the limiting portion 3131, the buffer ring 31 is adapted to be mounted in the limiting portion mounting groove 111 through the limiting portion 3131, and the limiting portion 3131 is adapted to limit the displacement of the buffer ring 31.

The spacing portion 3131 is radially protruding to set up to and the spacing portion mounting groove 111 that matches with it, compare in the prior art, spacing portion 3131 and spacing portion mounting groove 111 along circumference setting up, it can play the spacing effect of circumference, conveniently after dismantling the completion, through the positioning action of spacing portion mounting groove 111, prevent that buffer ring 31 and first connecting portion 11 from appearing axial dislocation, in addition from the practicality angle, the atress of spacing portion mounting groove 111 is more even, it is better to use experience.

It is further preferred that, as shown in fig. 4b, 9 and 13, the top and bottom of the guard 314 are provided with annular protrusions 3141 in the circumferential direction, the inner wall of the annular protrusion 3141 of the top and the top of the guard 314 are adapted to define the first mounting groove 311, the inner wall of the annular protrusion 3141 of the bottom and the bottom of the guard 314 are adapted to define the second mounting groove 312, the first mounting groove 311 is adapted to mount the first connection portion 11 therein, and the second mounting groove 312 is adapted to mount the second connection portion 231 therein.

The annular protrusion 3141 is arranged, the annular protrusion 3141 is utilized to define the first mounting groove 311 and the second mounting groove 312, in the practical use process, the inner wall of the first mounting groove 311 is suitable for abutting against the outer wall of the first connecting portion 11, the inner wall of the second mounting groove 312 is suitable for abutting against the outer wall of the second connecting portion 231, dust can be better prevented from entering the power output assembly 2 in the use process by the structure, and the mounting frame 1 and the power output assembly 2 are detachably connected through the mounting portion 313, the buffer ring 31 is made of a flexible material, so that the flexible material deforms in the use process, the material flows towards the annular protrusion 3141, and the protection performance of the annular protrusion 3141 is further improved.

Further preferably, as shown in fig. 14, the buffer connection assembly 3 includes a dust ring 32, and the bottom of the first connection part 11 is circumferentially provided with a dust ring mounting groove 112 matching the dust ring 32, and the dust ring 32 is adapted to be mounted in the dust ring mounting groove 112.

The dust ring 32 is additionally arranged, so that dust and soil can be better reduced from entering the power output assembly 2 and the planetary reduction assembly 21, and the impact force is borne by the buffer ring 31, so that the axial impact force borne by the dust ring 32 is reduced in the use process, the service life of the dust ring 32 is prolonged, and the dust prevention effect is optimized.

Further preferably, as shown in fig. 8, the planetary reduction assembly 21 includes a sun gear 213, a planet gear 214, a planet carrier 216, and an internal gear 215, the planet gears 214 are circumferentially disposed outside the sun gear 213 and fixed to each other by the planet carrier 216, the internal gear 215 is sleeved outside the planet gear 214, the sun gear 213, the planet gear 214, and the internal gear 215 are engaged with each other, an input end 211 is disposed on the sun gear 213, an output end 212 is disposed on the planet carrier 216, the internal gear 215 is detachably fixed to the second connection portion 231, and the first power output shaft 101 is adapted to be detachably connected to the sun gear 213 and to drive the planet carrier 216 to rotate through interaction of the sun gear 213 with the planet gears 214 and the internal gear 215.

In this particular embodiment, as shown in fig. 8, the first power output shaft 101 is adapted to be coupled to the input end 211 of the planetary reduction assembly 21 via the sun gear 213, and since the internal gear 215 is fixed to the second connection 231, the loudness of the internal gear 215 is fixed to the mounting 1, and thus power can be output via the planet carrier 216. There are various ways of detachably connecting the center wheel 213 to the first power output shaft 101, such as a flat key connection as used in this particular embodiment, a spline connection or a coupling connection may be used.

Further preferably, as shown in fig. 7, the top of the carrier 216 is provided with a central wheel restraining portion 2161 protruding radially inward, the central wheel restraining portion 2161 being adapted to restrain the central wheel 213 from being displaced upward. The carrier 216 provided with the center wheel restricting portion 2161 is shown in fig. 7, while fig. 6 shows the carrier 216 without the center wheel restricting portion 2161.

The central wheel limiting part 2161 is arranged in the actual use process, the first power output shaft 101 on the driving source 100 can be smoothly separated from the central wheel 213 by utilizing the limiting function of the central wheel limiting part 2161, the central wheel 213 is driven by the first power output shaft 101 under the action of friction force in the separation process, and the overall stability and durability are further improved.

Further preferably, as shown in fig. 9 to 13, a mounting cavity 12 is defined in the mounting frame 1, a mounting through hole 113 is formed in the first connecting portion 11, the driving source 100 is adapted to axially pass through the mounting through hole 113 and be mounted in the mounting cavity 12, the mounting frame 1 further includes a mounting seat 13, the top of the mounting seat 13 is adapted to abut against the bottom of the first connecting portion 11 and limit the mounting seat 13 to move upwards in the axial direction, an output shaft through hole 133 is provided on the mounting seat 13, the inner wall of the output shaft through hole 133 is sleeved on the first power output shaft 101 through a bearing, the top of the mounting seat 13 protrudes upwards to form a driving source mounting portion 131, the outer wall of the driving source mounting portion 131 is adapted to abut against the outer wall of the mounting through hole 113, the driving source 100 is adapted to be fixed in the mounting cavity 12 through the driving source mounting portion 131, the bottom of the mounting seat 13 protrudes downwards to form a guiding portion 132, the inner wall of the second connecting portion 231 is axially provided with a guiding hole 2311, the axis of the guiding hole 2311 coincides with the axis of the central wheel 213, the outer wall of the guiding portion 132 is adapted to abut against the inner wall of the guiding hole 2311, the inner wall of the guiding hole 2311 protrudes inwards in the radial direction to form a guiding boss 2312, and the guiding boss 2312 is adapted to limit the downward movement of the driving source 100 in the axial direction.

The fixed driving source 100 that mount pad 13 can be better is set up to utilize the guiding part 132 on the mount pad 13, make mounting bracket 1 and power take off subassembly 2 in the installation, the axis alignment is more convenient, utilize the combined action of guide protrusion 2312 and first connecting portion 11 to restrict the displacement of mount pad 13 in the axis direction, restrict the displacement of mount pad 13 on the horizontal plane through installation through-hole 113, thereby make mount pad 13 can not produce the displacement after the installation is accomplished. In addition, the mounting seat 13 can be detachably fixed on the first connecting portion 11 by means of bolts and the like, so that more efficient disassembly and assembly are realized.

The foregoing has outlined the basic principles, main features and advantages of the present application. It will be appreciated by persons skilled in the art that the present application is not limited to the embodiments described above, and that the embodiments and descriptions described herein are merely illustrative of the principles of the present application, and that various changes and modifications may be made therein without departing from the spirit and scope of the application, which is defined by the appended claims. The scope of protection of the present application is defined by the appended claims and equivalents thereof.

Claims (10)

1. An auger power head, characterized in that: including mounting bracket, power take off subassembly and buffering coupling assembling, the top detachably of mounting bracket installs on engineering machine tool, be provided with the actuating source in the mounting bracket, power take off subassembly is in along axial detachably's installation the bottom of mounting bracket, the actuating source is suitable for passing through power take off subassembly output power and drive the auger and rotate, the mounting bracket with be provided with buffering coupling assembling between the power take off subassembly, buffering coupling assembling is made by flexible material, buffering coupling assembling is suitable for control the auger is right the impact force of mounting bracket.

2. An auger power head according to claim 1, wherein: the driving source is connected with a first power output shaft, the power output assembly comprises a planetary reduction assembly, the planetary reduction assembly comprises an input end and an output end, the first power output shaft is detachably connected with the input end, the output end is suitable for outputting power and driving the auger to rotate, the buffering connection assembly comprises a buffering ring, a mounting part is arranged on the buffering ring, the buffering ring is connected with the mounting frame and the power output assembly through the mounting part, a protection part is arranged on the mounting part in a surrounding mode in the radial direction, and the protection part protrudes out of the mounting frame in the radial direction and is arranged on the power output assembly.

3. An auger power head as in claim 2 wherein: the power take-off assembly comprises a power take-off housing, the planetary reduction assembly is installed in the power take-off housing, a first connecting portion is arranged at the bottom of the installation frame in a protruding mode in the radial direction outwards, a second connecting portion is arranged at the top of the power take-off housing, the first connecting portion, the installation portion and the second connecting portion are connected in a detachable mode in sequence, and the projection diameter of the protection portion on a horizontal plane is larger than that of the first connecting portion and the second connecting portion.

4. An auger power head according to claim 3, wherein: the first connecting portion, the mounting portion and the second connecting portion are detachably connected through bolts, and bolt through holes suitable for being passed through the bolts are formed in the mounting portion.

5. An auger power head according to claim 4, wherein: the mounting part is provided with a limiting part in a protruding mode along the radial direction, the bottom of the first connecting part is provided with a limiting part mounting groove matched with the limiting part, the buffer ring is suitable for being mounted in the limiting part mounting groove through the limiting part, and the limiting part is suitable for limiting the displacement of the buffer ring.

6. An auger power head according to claim 5, wherein: the top and the bottom of guard portion all are provided with annular protruding along circumference, the top the bellied inner wall of annular with the top of guard portion is suitable for defining first mounting groove, the bellied inner wall of annular of bottom with the bottom of guard portion is suitable for defining the second mounting groove, be suitable for in the first mounting groove to install first connecting portion, be suitable for in the second mounting groove to install the second connecting portion.

7. An auger power head according to claim 4, wherein: the buffer connection assembly comprises a dust ring, a dust ring mounting groove matched with the dust ring is circumferentially and circumferentially arranged at the bottom of the first connection portion, and the dust ring is suitable for being mounted in the dust ring mounting groove.

8. An auger power head according to claim 6, wherein: the planetary reduction assembly comprises a central wheel, a planetary carrier and an internal gear, wherein the planetary wheel is arranged on the outer side of the central wheel in the circumferential direction and is mutually fixed through the planetary carrier, the internal gear is sleeved on the outer side of the planetary wheel, the central wheel, the planetary wheel and the internal gear are mutually meshed, an input end is arranged on the central wheel, an output end is arranged on the planetary carrier, the internal gear is detachably fixed on the second connecting part, and the first power output shaft is suitable for being detachably connected with the central wheel and is driven to rotate through interaction of the central wheel with the planetary wheel and the internal gear.

9. An auger power head according to claim 8, wherein: the top of the planet carrier is provided with a central wheel limiting part in a protruding mode along the radial direction, and the central wheel limiting part is suitable for limiting the upward displacement of the central wheel.

10. An auger power head according to claim 8, wherein: the mounting rack is internally provided with a mounting cavity, a mounting through hole is formed in the first connecting portion, the driving source is suitable for axially passing through the mounting through hole and is mounted in the mounting cavity, the mounting rack further comprises a mounting seat, the top of the mounting seat is suitable for abutting against the bottom of the first connecting portion and limiting the mounting seat to move upwards along the axial direction, the mounting seat is provided with an output shaft through hole, the inner wall of the output shaft through hole is sleeved on the first power output shaft through a bearing, the top of the mounting seat protrudes upwards to form a driving source mounting portion, the outer wall of the driving source mounting portion is suitable for abutting against the outer wall of the mounting through hole, the driving source is suitable for being fixed in the mounting cavity through the driving source mounting portion, the bottom of the mounting seat protrudes downwards to form a guide portion, the inner wall of the second connecting portion is provided with a guide hole along the axial direction, the axis of the guide hole coincides with the axis of the central wheel, the outer wall of the guide portion is suitable for abutting against the inner wall of the guide hole, the inner wall of the guide hole protrudes inwards to form a guide boss, and the guide boss is suitable for limiting the movement of the mounting seat downwards along the axial direction.

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