CN111421879B

CN111421879B - Dunkshi machine

Info

Publication number: CN111421879B
Application number: CN202010247040.1A
Authority: CN
Inventors: 刘彪; 陈成; 尚海峰; 邝祖坤
Original assignee: GUANGZHOU SHIJI REFRACTORY MATERIAL FACTORY
Current assignee: GUANGZHOU SHIJI REFRACTORY MATERIAL FACTORY
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2021-11-19
Anticipated expiration: 2040-03-31
Also published as: CN111421879A

Abstract

The invention discloses a compaction machine, which comprises a base, a driving piece and a lifting assembly, wherein the lifting assembly comprises a rotating shaft and a jacking piece, a one-way bearing is sleeved on the rotating shaft, the driving piece drives the rotating shaft to rotate through the one-way bearing, the rotating shaft is in transmission fit with the jacking piece and drives the jacking piece to rotate, a butting part is arranged on the base, the jacking piece is arranged below the butting part, the jacking piece comprises a shaft center part and an eccentric part which are connected, the shaft center part and the rotating center of the jacking piece are coaxially arranged, the eccentric part is eccentrically arranged relative to the rotating center of the jacking piece, and the shaft center part and the eccentric part are both used for being in contact with the butting part. Above-mentioned real machine in mound, the base can be driven by jack-up piece and rises, and when the base began by the peak whereabouts, the gravity of base and material made base whereabouts and speed grow gradually, when butt portion only contacted with axle center portion again, the base stopped, and the whereabouts of base stops suddenly this moment, makes the material on the base through self gravity by the compaction, can effectively reduce the clearance of material.

Description

Dunkshi machine

Technical Field

The invention relates to processing equipment, in particular to a compaction machine.

Background

In industrial production, loose material is unfavorable for the heat dissipation or takes place the reaction, consequently need reduce the clearance between the material, can adopt and arrange the material in the box and the mode of repeated tenesmus, makes the material in the box arrange and become inseparable, nevertheless adopts artifical mode can't operate the great material of weight, and the effect that can't reduce the material clearance is poor.

Disclosure of Invention

Based on the above, the invention aims to overcome the defects of the prior art and provide the compacting machine with good effect of reducing the material clearance.

The technical scheme is as follows:

the utility model provides a dun real machine, includes base, driving piece and lifting unit, lifting unit includes pivot and jack-up spare, the cover is equipped with one-way bearing in the pivot, the driving piece passes through one-way bearing drives the pivot is rotated, the pivot with jack-up spare transmission cooperation is moved the jack-up spare rotates, be equipped with butt portion on the base, jack-up spare is located the below of butt portion, jack-up spare is including the axle core portion and the eccentric portion that are connected, axle core portion with the coaxial setting in rotation center of jack-up spare, eccentric portion for the eccentric setting in rotation center of jack-up spare, axle core portion eccentric portion all be used for with the contact of butt portion.

The compaction machine can place materials on the base, the driving piece can drive the rotating shaft to rotate through the one-way bearing, the outer ring of the one-way bearing can drive the inner ring to synchronously rotate, the rotating shaft can drive the jacking piece to rotate, the jacking piece is positioned below the abutting part and is provided with the shaft center part positioned at the position of the rotating center and the eccentric part eccentrically arranged relative to the rotating center, both the shaft center part and the eccentric part can be contacted with the abutting part, the jacking piece rotates, when the abutting part is only contacted with the shaft center part, the abutting part is positioned at a low point, the jacking piece continuously rotates along with the jacking piece, when the abutting part is contacted with the shaft center part and is changed into being contacted with the eccentric part, the position of the abutting part can be lifted, the height of the base is lifted along with the shaft center part, when the highest point of the base falls, the gravity of the base and the materials is changed from obstructing the rotation of the inner ring into pushing the rotation of the inner ring, and the acceleration of the inner ring is larger than the acceleration of the outer ring, the inner ring of the one-way bearing can rotate relative to the outer ring at the moment, so that the base falls and the speed is gradually increased, the base stops until the abutting part is contacted with the shaft center part again, the falling of the base stops suddenly at the moment, the material on the base is compacted through self gravity, the gap of the material can be effectively reduced, the rotation of the driving part can drive the jacking part to rotate continuously, the base rises continuously and falls, and the automatic compaction of the material is realized.

In one embodiment, the rotating shaft is further provided with two matched bearings, the two matched bearings are respectively arranged on two sides of the one-way bearing, the two matched bearings are deep groove ball bearings, the one-way bearing is sleeved with a first gear, the matched bearing is sleeved with a second gear, and the driving piece is in chain transmission fit with the first gear and the second gear.

In one embodiment, the pivot overcoat is equipped with the axle sleeve, the axle sleeve includes first installation department and two second installation departments, two the second installation department is located the both sides of first installation department, the external diameter of first installation department is greater than the external diameter of second installation department, one-way bearing housing is located outside the first installation department, cooperation bearing housing is located outside the second installation department.

In one embodiment, the outer diameter of the first gear matches the outer diameter of the second gear.

In one embodiment, an end surface of the abutting portion, which is used for contacting with the eccentric portion, includes a mating surface and a guiding surface, the mating surface is a flat surface, the guiding surface is an inclined surface or an arc surface extending downward, and the mating surface and the guiding surface are arranged along a rotation direction of the eccentric portion.

In one embodiment, when the eccentric portion rotates to the highest point, the junction of the mating surface and the guide surface contacts the eccentric portion.

In one embodiment, when the guide surface is a curved surface, the radius of curvature of the guide surface gradually increases in a direction away from the mating surface, and the radius of curvature of the guide surface is larger than a distance between the guide surface and the center of rotation of the jack-up member.

In one embodiment, the aforesaid real machine in mound still includes the drive assembly, the drive assembly is two sets of, the drive assembly includes first transmission shaft and second transmission shaft, the driving piece first transmission shaft the second transmission shaft is the transmission cooperation in proper order, and is a set of lift assembly's pivot with first transmission shaft transmission cooperation, another group lift assembly's pivot with the transmission cooperation of second transmission shaft, two sets of the one-way bearing that lift assembly's pivot overcoat was established has opposite rotatable direction.

In one embodiment, two jacking pieces are arranged on one group of transmission assemblies, the two jacking pieces are respectively arranged at two ends of the rotating shaft, and the abutting pieces are arranged corresponding to the jacking pieces.

In one embodiment, the compactor further includes a base, a first guide member and a second guide member, the base is disposed below the base, the first guide member is disposed on the base, the second guide member is disposed on the base, a limiting hole is formed in the first guide member, and the second guide member is inserted into the limiting hole and is in sliding fit with the first guide member.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and are not intended to limit the invention.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a side view of a compactor according to an embodiment of the present invention;

FIG. 2 is an oblique view of a Dunzhi machine according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is a schematic partial structural view of a compactor according to an embodiment of the present invention;

fig. 5 is an enlarged schematic view of B in fig. 4.

Description of reference numerals:

100. the driving device comprises a base, 110, an abutting part, 111, a matching surface, 112, a guide surface, 200, a driving part, 300, a rotating shaft, 400, a jacking part, 410, a shaft center part, 420, an eccentric part, 510, a first gear, 520, a second gear, 530, a first gear set, 540, a second gear set, 550, a first transmission gear set, 560, a second transmission gear set, 610, a first transmission shaft, 620, a second transmission shaft, 710, a base, 720, a first guide part, 730, a second guide part, 10 and a box body.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in fig. 1 to 3, an embodiment discloses a machine of checking out, including base 100, driving piece 200 and lifting unit, lifting unit includes pivot 300 and jack-up piece 400, the cover is equipped with one-way bearing on the pivot 300, driving piece 200 passes through one-way bearing drives pivot 300 rotates, pivot 300 with jack-up piece 400 transmission cooperation and drive jack-up piece 400 rotates, be equipped with butt portion 110 on the base 100, jack-up piece 400 is located the below of butt portion 110, jack-up piece 400 is including the axle center portion 410 and the eccentric portion 420 that are connected, axle center portion 410 with the coaxial setting of center of rotation of jack-up piece 400, eccentric portion 420 for the eccentric setting of center of rotation of jack-up piece 400, axle center portion 410 eccentric portion 420 all be used for with butt portion 110 contacts.

The said tamping machine can place the material on the base 100, the driving part 200 can drive the rotation shaft 300 to rotate through the unidirectional bearing, the outer ring of the unidirectional bearing can drive the inner ring to rotate synchronously, the rotation shaft 300 can drive the jacking piece 400 to rotate, because the jacking piece 400 is positioned below the abutting part 110, the jacking piece 400 is provided with the shaft center part 410 positioned at the rotation center position and the eccentric part 420 eccentrically arranged relative to the rotation center, and both the shaft center part 410 and the eccentric part 420 can contact with the abutting part 110, the jacking piece 400 rotates, when the abutting part 110 only contacts with the shaft center part 410, the abutting part 110 is positioned at the low point, along with the continuous rotation of the jacking piece 400, the position of the abutting part 110 will rise when the abutting part 110 contacts with the shaft center part 410 and becomes to contact with the eccentric part 420, the height of the base 100 will rise along with the rising, when the base 100 begins to fall from the highest point, for the inner ring of the unidirectional bearing, the gravity of the base 100 and the material turns from hindering the inner ring to push the inner ring to rotate, the acceleration of the inner ring is made to be larger than that of the outer ring, at the moment, the inner ring of the one-way bearing can rotate relative to the outer ring, the base 100 falls and the speed becomes faster gradually, until the abutting part 110 is only contacted with the shaft center part 410 again, the base 100 stops, at the moment, the falling of the base 100 stops suddenly, materials on the base 100 are compacted through self gravity, the gap of the materials can be effectively reduced, the rotation of the driving part 200 can drive the jacking part 400 to rotate continuously, the base 100 rises and falls continuously, and the automatic compaction of the materials is achieved.

Specifically, the driving member 200 is in transmission fit with the outer ring of the one-way bearing, and the outer ring of the one-way bearing can drive the inner ring to rotate synchronously, so that the driving member 200 drives the rotating shaft 300 to rotate.

Optionally, a box 10 is disposed on the base 100, and the box 10 is used for loading materials. Specifically, the material may be in the form of particles, powder, paste or other forms, and the container 10 prevents the material from being scattered, and the upper and lower layers have a better pressing effect when the material falls down along the base 100.

Optionally, base 100 can be dismantled with box 10 and be connected, and box 10 can be fixed this moment, guarantees box 10 and base 100 synchronous displacement, makes base 100 drive box 10 whereabouts better, improves the compaction effect of material in the box 10, and box 10 is difficult for base 100 to take place to collide with, can protect base 100. Specifically, the base 100 is provided with a positioning hole, the box body 10 is provided with a fixing plate, and a bolt can be utilized to penetrate through the fixing plate and be in threaded fit with the positioning hole, so that the base 100 and the box body 10 can be detachably connected.

Alternatively, the lifting member 400 includes a body having a disk shape, the central portion 410 and the eccentric portion 420 are both disposed at one side of the body, and the outer diameter of the eccentric portion 420 is larger than that of the central portion 410, so that the eccentric portion 420 has sufficient strength to withstand the impact of the susceptor 100 when the susceptor 100 falls down and contacts the eccentric portion 420. Specifically, the eccentric portion 420 is cylindrical, and the end of the rotating shaft 300 is sleeved with the eccentric portion 420. Ensuring that the eccentric portion 420 rotates in synchronization with the rotation shaft 300.

In other embodiments, the jack-up 400 may also be a cam structure, and the abutment portion 110 is a portion of the base 100 near the plane of the jack-up 400 for contacting the jack-up 400.

In one embodiment, as shown in fig. 4 and 5, the rotating shaft 300 is further provided with two matching bearings, the two matching bearings are respectively disposed at two sides of the one-way bearing, both of the two matching bearings are deep groove ball bearings, the one-way bearing is sleeved with a first gear 510, the matching bearing is sleeved with a second gear 520, and the driving member 200 is in chain transmission matching with the first gear 510 and the second gear 520. The matching bearing can be matched with the one-way bearing at the moment for reducing the stress of the one-way bearing in the radial direction and the axial direction, and the matching bearing positioned at the two sides of the one-way bearing can limit the one-way bearing.

In other embodiments, the driver 200 is geared with the one-way bearing; or the driving member 200 is in driving engagement with the one-way bearing through a belt.

In one embodiment, the shaft sleeve is sleeved outside the rotating shaft 300 and comprises a first installation part and two second installation parts, the two second installation parts are located on two sides of the first installation part, the outer diameter of the first installation part is larger than that of the second installation part, the one-way bearing sleeve is arranged outside the first installation part, and the matching bearing sleeve is arranged outside the second installation part. The junction of the first installation department of accessible and second installation department carries on spacingly to two cooperation bearings, prevents that the cooperation bearing from taking place axial displacement, conveniently cooperates the installation location of bearing, makes two cooperation bearings can be better play spacing one-way bearing's effect.

Specifically, the two matching bearings are symmetrically arranged on two sides of the one-way bearing.

In one embodiment, as shown in FIG. 5, the outer diameter of the first gear 510 matches the outer diameter of the second gear 520. At the moment, the stress of the one-way bearing can be better shared by matching with the bearing.

Specifically, the gear that mates with the one-way bearing and the gear that mates with the mating bearing have the same number of teeth.

In one embodiment, as shown in fig. 3, an end surface of the abutting portion 110, which is used for contacting with the eccentric portion 420, includes a mating surface 111 and a guiding surface 112, the mating surface 111 is a flat surface, the guiding surface 112 is an inclined surface or an arc surface extending downward, and the mating surface 111 and the guiding surface 112 are arranged along a rotation direction of the eccentric portion 420. When the jacking member 400 rotates and contacts with the abutting part 110 to lift the base 100, the mating surface 111 first contacts with the eccentric part 420, the eccentric part 420 pushes the mating surface 111 to lift the base 100, then the eccentric part 420 continues to rotate and contacts with the guide surface 112, at this time, the base 100 falls from the highest point, the guide surface 112 pushes the eccentric part 420 to rotate until the eccentric part 420 and the guide surface 112 are no longer in contact, at this time, the base 100 contacts with the hub part 410 to stop the base 100, the eccentric part 420 continues to be driven by the driving member 200, because the guide surface 112 is a slope or a cambered surface extending downwards, compared with the angle rotated when the eccentric part 420 contacts with the mating surface 111, the angle rotated when the eccentric part 420 and the guide surface 112 are in contact is larger, the speed of the base 100 before contacting with the hub part 410 can be larger, the difference of the speed of the base 100 from falling to rest is larger, the compacting effect of the material is better, therefore, the structure can improve the compaction effect of the materials and further reduce the gaps of the materials. Further, when the base 100 descends by pushing the eccentric portion 420 by the guide surface 112, the guide surface 112 is faster before contacting the hub portion 410 to stop the base 100, so that the material is more easily compacted and the gap of the material is smaller.

Alternatively, the drive of the drive member 200 may be continuous or indirect,

when the driving member 200 is indirectly driven, the process of one rotation of the eccentric portion 420 is divided into an active section and a pause section, the eccentric portion 420 contacts the guide surface 112 and rotates as the pause section, the driving member 200 starts and drives the jacking member 400 to rotate in the active section, and the driving member 200 is closed in the pause section. At this time, because the angle that the eccentric part 420 rotates when the eccentric part 420 contacts the guide surface 112 is larger, the angle that the driving part 200 needs to drive the jacking part 400 to rotate at the active section is smaller, the work of the driving part 200 can be reduced, and the cost is saved;

when the driving member 200 is driven continuously, although the angular speed of the driving member 200 driving the rotating shaft 300 is smaller than the angular speed of the jacking member 400 rotating and the inner ring speed of the directional bearing is larger than the outer ring speed due to the pushing down of the jacking member 400 by the abutting member in the process that the eccentric portion 420 contacts the guide surface 112, the driving member 200 keeps the outer ring of the directional bearing at a certain speed through the rotating shaft 300, and after the eccentric portion 420 is separated from the guide surface 112, the driving member 200 can immediately make the jacking member 400 continue to rotate through the rotating shaft 300 and the one-way bearing, so that the operation is simple and the burden of the driving member 200 can be reduced.

In one embodiment, when the eccentric portion 420 rotates to the highest point, the junction of the mating surface 111 and the guide surface 112 contacts the eccentric portion 420. When the eccentric part 420 rotates to the highest point, the base 100 is also located at the highest point, the eccentric part 420 is switched to be in contact with the guide surface 112 from being in contact with the matching surface 111, and meanwhile, the base 100 starts to fall, and the base 100 is in contact with the guide surface 112 in the whole falling process, so that the base 100 has higher speed before being static, and the material compaction effect is improved.

In one embodiment, as shown in fig. 1 and 3, when the guide surface 112 is a curved surface, the radius of curvature of the guide surface 112 gradually increases in a direction away from the engagement surface 111, and the radius of curvature of the guide surface 112 is larger than the distance between the guide surface 112 and the rotation center of the jack-up member 400. As the base 100 falls, the eccentric portion 420 rotates under the action of the abutting portion 110, and the eccentric portion 420 sequentially contacts with different parts of the guide surface 112 in a direction away from the mating surface 111, when the curvature radius of the guide surface 112 gradually increases in the direction away from the mating surface 111, the guide surface 112 can guide the eccentric portion 420, and at the same time, the eccentric portion 420 is forced to have an increasingly larger acceleration, and when the eccentric portion 420 rotates to the boundary between the mating surface 111 and the guide surface 112, the curvature radius of the guide surface 112 is greater than the distance between the guide surface 112 and the rotation center of the jack-up member 400, so that the eccentric portion 420 can be prevented from being stuck at the highest point, the jack-up member 400 can be ensured to rotate smoothly, and the lifting and falling of the base 100 can be realized.

In one embodiment, as shown in fig. 4, the aforementioned loader further includes two sets of transmission assemblies, each of the transmission assemblies includes a first transmission shaft 610 and a second transmission shaft 620, the driving member 200, the first transmission shaft 610, and the second transmission shaft 620 are sequentially in transmission fit, one set of the rotation shaft 300 of the lifting assembly is in transmission fit with the first transmission shaft 610, the other set of the rotation shaft 300 of the lifting assembly is in transmission fit with the second transmission shaft 620, and the two sets of the one-way bearings sleeved on the rotation shafts 300 of the lifting assemblies have opposite rotatable directions. Because driving piece 200, first transmission shaft 610, second transmission shaft 620 are transmission fit in proper order, consequently first transmission shaft 610 is opposite with the rotation direction of second transmission shaft 620, and through setting up two one-way bearings that have opposite rotatable direction this moment, make two sets of lifting unit can jack up base 100 under the drive of a driving piece 200 in step, make the whole rise of base 100 or whereabouts, can make the material can be by even compaction.

Optionally, the driving member 200 is in transmission fit with the first transmission shaft 610, the first transmission shaft 610 and one of the one-way bearings, and the second transmission shaft 620 and the other one-way bearing through chains, so that motion and power can be transmitted at a distance from each other under the condition of long distance, the force acting on the one-way bearing is small, stable work can be performed under a poor environment, the transmission efficiency is high, and the material on the base 100 can be better compacted.

Specifically, as shown in fig. 4, a one-way bearing and a matching bearing are respectively sleeved outside the rotating shafts of the two sets of lifting assemblies, a first gear 510 is respectively sleeved outside the one-way bearing, a second gear 520 is respectively sleeved outside the matching bearing, the first gear 510 and the second gear 520 sleeved outside the rotating shaft of one set of lifting assembly form a first gear set 530, the first gear 510 and the second gear 520 sleeved outside the rotating shaft of the other set of lifting assembly form a second gear set 540, a first transmission gear set 550 is sleeved outside the first transmission shaft 610, a second transmission gear set 560 is sleeved outside the second transmission shaft 620, the second transmission gear set 560 is in chain transmission fit with the first gear set 530, and the first transmission gear set 550 is in chain transmission fit with the second gear set 540.

In other embodiments, the driving members 200 may be disposed corresponding to the lifting assemblies, and one driving member 200 is in driving fit with one group of lifting assemblies.

In one embodiment, two jacking members 400 are provided for one set of the transmission assembly, the two jacking members 400 are respectively provided at two ends of the rotating shaft 300, and the abutting members are provided corresponding to the jacking members 400. The base 100 can be simultaneously jacked up at all places to uniformly compact the material.

In one embodiment, as shown in fig. 1, the aforesaid loader further includes a base 710, a first guide 720 and a second guide 730, the base 710 is disposed below the base 100, the first guide 720 is disposed on the base 710, the second guide 730 is disposed on the base 100, the first guide 720 is provided with a limiting hole, and the second guide 730 is inserted into the limiting hole and slidably engaged with the first guide 720. The cooperation of the first guide 720 and the second guide 730 guides the ascending or descending of the base 100, and ensures the ascending and descending directions of the base 100.

Optionally, the driving member 200 and the transmission assembly are both disposed on the base 710, so as to facilitate moving the above mentioned compacting machine.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a dun real machine, its characterized in that, includes base, driving piece and lifting unit, lifting unit includes pivot and jack-up spare, the cover is equipped with one-way bearing in the pivot, the driving piece passes through one-way bearing drives the pivot is rotated, the driving piece with the outer lane transmission cooperation of one-way bearing, the pivot with jack-up spare transmission cooperation and drive the jack-up spare rotates, be equipped with butt portion on the base, the jack-up spare is located the below of butt portion, the jack-up spare is including the axle heart portion and the eccentric portion that are connected, axle heart portion with the coaxial setting in center of rotation of jack-up spare, the eccentric portion for the eccentric setting in center of rotation of jack-up spare, axle heart portion, eccentric portion all be used for with the contact of butt portion, be used for in on the butt portion with the terminal surface of eccentric portion contact is including fitting surface and the guide face of connection, the matching surface is a plane, the guide surface is an inclined surface or an arc surface which extends downwards, and the matching surface and the guide surface are arranged along the rotating direction of the eccentric part.

2. The machine of claim 1, wherein the rotating shaft is further provided with two matching bearings, the two matching bearings are respectively arranged on two sides of the one-way bearing, the two matching bearings are both deep groove ball bearings, the one-way bearing is sleeved with a first gear, the matching bearing is sleeved with a second gear, and the driving member is in chain transmission fit with the first gear and the second gear.

3. The machine of claim 2, in which the pivot overcoat is equipped with the axle sleeve, the axle sleeve includes first installation department and two second installation departments, two the second installation department is located the both sides of first installation department, the external diameter of first installation department is greater than the external diameter of second installation department, one-way bearing housing is located outside the first installation department, cooperation bearing housing is located outside the second installation department.

4. The compactor of claim 3, wherein the outer diameter of the first gear matches the outer diameter of the second gear.

5. The compactor of claim 1, wherein the junction of the mating surface and the guide surface contacts the eccentric portion when the eccentric portion rotates to the highest point.

6. The compactor of claim 1, wherein when the guide surface is arcuate, the radius of curvature of the guide surface increases in a direction away from the engagement surface, the radius of curvature of the guide surface being greater than the distance between the guide surface and the center of rotation of the jacking member.

7. The machine of claim 1, further comprising two sets of transmission assemblies, wherein the transmission assemblies comprise a first transmission shaft and a second transmission shaft, the driving member, the first transmission shaft and the second transmission shaft are sequentially in transmission fit, one set of the rotating shaft of the lifting assembly is in transmission fit with the first transmission shaft, the other set of the rotating shaft of the lifting assembly is in transmission fit with the second transmission shaft, and two sets of the one-way bearings arranged on the rotating shaft outer sleeves of the lifting assembly have opposite rotatable directions.

8. The compactor according to claim 7, wherein two jacking members are provided in one set of the transmission assembly, the two jacking members are provided at two ends of the rotating shaft, respectively, and the abutting portion is provided corresponding to the jacking members.

9. The machine of any one of claims 1 to 8, further comprising a base, a first guide member and a second guide member, wherein the base is disposed below the base, the first guide member is disposed on the base, the second guide member is disposed on the base, the first guide member is provided with a limiting hole, and the second guide member is inserted into the limiting hole and slidably engaged with the first guide member.