CN116373099A

CN116373099A - Vibration generator for small-caliber concrete pipe core mould

Info

Publication number: CN116373099A
Application number: CN202211726122.XA
Authority: CN
Inventors: 仲长平; 方德田; 李孝全
Original assignee: Jiangsu Zhongyi Building Material Machinery Co ltd
Current assignee: Jiangsu Zhongyi Building Material Machinery Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-07-04

Abstract

The invention discloses a small-caliber concrete pipe core die vibration generator, wherein connecting shafts are arranged in inner cavities of a first sleeve, a second sleeve and a third sleeve, L-shaped grooves are symmetrically formed in opposite ends of the connecting shafts, a connecting assembly comprises a connecting barrel, limiting blocks symmetrically and integrally extend on the inner wall of a rotating sleeve, one end of the connecting rod is fixedly sleeved with a first bevel gear, the middle of the connecting barrel is rotatably sleeved with a rotating rod, the surface of the rotating rod is fixedly sleeved with a second bevel gear, sliding grooves are symmetrically and fixedly formed in the surfaces of two ends of the connecting barrel, sleeve connecting pieces are arranged in the inner cavities of the sliding grooves, and connecting mechanisms are symmetrically arranged on the surface of the connecting barrel. The small-caliber concrete pipe core die vibration generator solves the problems that when a plurality of components of a core rod are assembled, time and labor are wasted, and bolts can be connected, but in the long-time use process of the core rod, the bolts are loosened, so that the bolts need to be replaced in the later period.

Description

Vibration generator for small-caliber concrete pipe core mould

Technical Field

The invention relates to the technical field of vibrating mandrels of pipe making machines, in particular to a vibrating generator for a small-caliber concrete pipe core die.

Background

At present, domestic reinforced concrete structure drainage pipeline's production facility mainly has vertical vibration tubulation shaping pipe mould, overhang roll tubulation machine, centrifugal tubulation machine, ordinary mandrel vibration tubulation machine and vertical radial extrusion tubulation machine several. The vertical vibration tube forming tube die, the suspension roller tube making machine and the centrifugal tube making machine have the defects of low production efficiency, high labor intensity, high labor cost, high energy consumption and the like, and are not suitable for large-scale batch production; the production efficiency of the common core mould vibration pipe making machine is improved, but the improvement amplitude is not large, and the appearance quality of the product has certain defects, so that the product needs to be repaired in the later period; the production efficiency of vertical radial extrusion tubulation machine promotes greatly, but equipment manufacturing cost is higher, the cost is higher when changing the product specification simultaneously, need change power milling head according to pipe internal diameter size, and the concrete pipeline socket position of production is difficult closely knit, break the phenomenon easily appears, bring trouble for subsequent production, the pipeline production is higher to the requirement of concrete raw and other materials simultaneously, the particle diameter size of sand, stone, fineness modulus all have higher requirement, cause manufacturing cost to increase, but a tubulation machine internal mold of research and development adopts automatic lift core mode, the external mold adopts special fork truck demoulding mechanism to open and shut fast, and adopt the platform to take one's place fast to the external mold, through the combination of each actuating mechanism, make production process smooth, improve the lift core reciprocating type vibration extrusion tubulation machine of production efficiency. But found during the production process: the circular rotary platform has the following problems found in the production process: the circular rotary platform has the following problems:

1. the area utilization rate is low, and because the occupation area is large, the development to the large-scale direction is difficult, and the market demand can not be satisfied. 2. The rotation of driving circular rotary platform is arranged in the pit, and the later disassembly and maintenance are extremely difficult, and the production must be stopped during maintenance, and the maintenance time is long, seriously affecting the production efficiency. Therefore, the patent application number CN201920386503.5 is specifically a reciprocating forming mechanism of a core-lifting vibration extrusion forming pipe making machine, and the structure of the reciprocating forming mechanism is high in utilization rate of a platform, free from limitation in development direction and convenient to maintain, so that the following problems of a circular rotating platform are solved.

However, in the above patent number CN201920386503.5, the vibration core rod used in the cement pipe molding is assembled by a section of the bolt for convenient transportation, but the core rod is made of iron material, so the self weight is heavy, when the core rod is assembled by a section, one end of the assembly section needs to be aligned, but the core rod is round, the core rod is easy to shift when aligned, and the core rod is heavy, so the core rod needs to be pushed by a plurality of people and keeps alignment, when the bolt connection is performed, the time and the labor are wasted, and the bolt can be connected, but the bolt is loosened during the long-time use process of the core rod, so the problem that the bolt needs to be replaced in the later stage is caused.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides the small-caliber concrete pipe core die vibration generator, which solves the problems that the core rod is round and easy to deviate in alignment, but the core rod is relatively heavy, so that the core rod needs to be pushed by multiple people and is kept aligned with each other, the assembly is time-consuming and labor-consuming when in bolted connection, and the bolts can be connected, but the phenomenon of bolt loosening can occur in the long-time use process of the core rod, so that the bolts need to be replaced in the later period.

(II) technical scheme

In order to achieve the above purpose, the invention is realized by the following technical scheme: the small-caliber concrete pipe core die vibration generator comprises a core rod and a connecting assembly, wherein the core rod consists of a first sleeve, a second sleeve and a third sleeve, connecting shafts are arranged in inner cavities of the first sleeve, the second sleeve and the third sleeve, and L-shaped grooves are symmetrically formed in one ends, opposite to the connecting shafts, of the connecting shafts.

The connecting assembly comprises a connecting cylinder, the inner cavity symmetry of the connecting cylinder rotates to be sleeved with a rotating sleeve, the inner wall symmetry of the rotating sleeve integrally extends to be provided with a limiting block, one side of the rotating sleeve opposite to the rotating sleeve is fixedly connected with a connecting rod, one end of the connecting rod is fixedly sleeved with a first bevel gear, the middle of the connecting cylinder rotates to be sleeved with a rotating rod, the surface of the rotating rod is fixedly sleeved with a second bevel gear, the second bevel gear is connected with the surface of the first bevel gear in a meshed mode, sliding grooves are fixedly formed in the surfaces of two ends of the connecting cylinder, and sleeve connecting pieces are arranged in the inner cavity of the sliding grooves.

The sleeve connecting piece comprises a connecting sleeve, a bearing is fixedly sleeved on the inner wall on one side of the connecting sleeve, an inner screw tooth is fixedly arranged on the inner wall on the other side of the connecting sleeve, a connecting block is symmetrically and fixedly connected with the inner wall of the bearing, a sliding rod is sleeved in an inner cavity of the connecting block in a sliding manner, two ends of the sliding rod are fixedly connected in the inner cavity of the sliding groove, the bearing is sleeved in the inner cavity of the sliding groove in a sliding manner in a cross-shaped manner, and the bearing is movably attached to one end surface of the connecting cylinder.

The connecting mechanism comprises a sleeve, an L-shaped rod is sleeved in an inner cavity of the sleeve in a sliding mode, an arc-shaped rotating block is sleeved on the surface of the sleeve in a rotating mode through a rotating pin, a through hole is formed in the surface of the arc-shaped rotating block in a fixed mode, one end of the L-shaped rod is fixedly connected to the surface of the connecting cylinder, and the sleeve is fixedly connected to the surface of the first sleeve, the second sleeve and the connecting shaft.

Preferably, a limit bar is arranged between the surface of the rotating sleeve and the inner wall of the connecting cylinder, and the limit bar is sleeved on the surface of the rotating sleeve in a sliding manner.

Preferably, the opposite ends of the first sleeve, the second sleeve and the third sleeve are in a T shape, outer threads are arranged on the surfaces of the first sleeve, the second sleeve and the third sleeve, and the outer threads are in threaded connection with the inner threads.

Preferably, one end of the connecting shaft is movably sleeved in the inner cavity of the rotating sleeve and is mutually attached.

Preferably, the surface of the limiting block is matched with the inner cavity of the L-shaped groove.

Preferably, the L-shaped grooves are all arranged.

Preferably, the top of the rotating rod is an inner hexagon nut and is level with the top of the connecting cylinder.

Preferably, the connecting sleeve is flush with one end and the surface of the connecting cylinder.

Advantageous effects

The invention provides a small-caliber concrete pipe core die vibration generator. Compared with the prior art, the method has the following beneficial effects:

1. this small-bore concrete tube core mould vibration generator through pass the through-hole of seting up on one side arc pivoted piece surface with rope one end to connect at the arc pivoted piece, then the other end passes the through-hole on another side arc pivoted piece surface, and outwards pulling, through pulling rope simultaneously, make the second sleeve carry out the removal of one side, the sleeve pipe can slide on L type pole surface simultaneously, and support on L type pole, and make second sleeve and connecting cylinder remove simultaneously, the one end of second sleeve and first sleeve support at the one end of connecting cylinder, thereby realize the first sleeve that needs to connect, the second sleeve, third sleeve and coupling assembling can be mutual alignment connection, also need not a plurality of promotion and go out the phenomenon of skew, make the connection labour saving and time saving more.

2. According to the small-caliber concrete pipe core die vibration generator, one end opposite to the first sleeve is abutted against one end of the connecting barrel, and the outer screw teeth are arranged on the surface of one end and are in contact with the inner screw teeth arranged on the inner wall of the connecting sleeve, so that the connecting sleeve is directly rotated, the connecting sleeve rotates through the bearing, the outer screw teeth are in threaded connection with the inner screw teeth, the connecting sleeve can generate pulling force along with the rotation of the connecting sleeve, the bearing can slide on the sliding rod through the connecting block, the connecting sleeve moves along with the threaded connection, the connecting sleeve is directly connected to one end of the first sleeve and one end of the second sleeve in a threaded manner, the external connection of the first sleeve, the second sleeve and the third sleeve can be completed in place of the threaded connection, the loosening phenomenon can not occur, and the problem that the bolts are loosened in the long-time use process of the core rod is solved, and the later problem of replacing the bolts is caused.

3. This small-bore concrete tube core mould vibration generator inserts in the inner chamber of rotating the cover through the connecting axle, secondly the connecting axle can align with the stopper, and make the stopper insert in the connecting axle, until connecting axle one end supports in the inner chamber of rotating the cover completely, then insert in the dwang through the spanner, and rotate the dwang, make the second bevel gear and the first bevel gear intermeshing transmission on dwang surface, be connected through connecting rod and rotating the cover, drive left and right sides and rotate the cover and carry out opposite rotation through the spacing of spacing down at the inner chamber of connecting cylinder, make the stopper card in the inner chamber of L type groove, make the connecting axle joint in the inner chamber of rotating the cover, accomplish the connection to the connecting axle, accomplish the connection between the internal connection axle through the joint between connecting axle and the rotating the cover, and the connected mode is simple and stable.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a schematic illustration of the use of the mandrel and connection assembly of the present invention;

FIG. 4 is a schematic view of a structural connecting shaft according to the present invention;

FIG. 5 is a schematic diagram of the front of the structure of the present invention;

FIG. 6 is a schematic view of a structural turning lever of the present invention;

FIG. 7 is a partial schematic view of a rotating lever according to the present invention;

FIG. 8 is an enlarged view of part of the structure of the present invention at B in FIG. 7;

FIG. 9 is a schematic view of a structural sleeve connector of the present invention;

FIG. 10 is an enlarged view of a portion of FIG. 9C of the structure of the present invention;

FIG. 11 is a schematic view of a structural attachment mechanism according to the present invention.

In the figure: 1. a core rod; 11. a first sleeve; 12. a second sleeve; 13. a third sleeve; 14. a connecting shaft; 14-1, L-shaped groove; 2. a connection assembly; 21. a connecting cylinder; 23. a rotating lever; 24. a connecting mechanism; 241. a sleeve; 242. an L-shaped rod; 243. an arc-shaped rotating block; 244. a rotation pin; 245. a through hole; 25. a rotating sleeve; 26. a limiting block; 28. a connecting rod; 29. a first bevel gear; 211. a second bevel gear; 212. a limit bar; 213. a chute; 214. a sleeve connection; 201. connecting sleeves; 202. an outer thread; 203. a bearing; 204. a connecting block; 205. and a slide bar.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-2, the embodiment of the invention provides a technical scheme: the utility model provides a small-bore concrete tube core mould vibration generator, including plug 1 and coupling assembling 2, plug 1 comprises first sleeve 11, second sleeve 12 and third sleeve 13, and the inner chamber of first sleeve 11, second sleeve 12 and third sleeve 13 is provided with connecting axle 14, the one end activity of connecting axle 14 cup joints the inner chamber at rotating sleeve 25, and laminating each other, through all assembling first sleeve 11, second sleeve 12, third sleeve 13 and corresponding connecting axle 14, make it form the plug generator, the relative one end of first sleeve 11, second sleeve 12 and third sleeve 13 is the T shape, and the surface sets up outer thread, outer thread and interior thread 202 mutual threaded connection.

Referring to fig. 4-5, the opposite ends of the connecting shaft 14 are symmetrically provided with L-shaped grooves 14-1, and the L-shaped grooves 14-1 are all arranged, and when the second bevel gear 211 is engaged with the first bevel gear 29, the first bevel gears 29 on the left and right sides drive the rotating sleeve 25 to move oppositely through the connecting rod 28, so that the L-shaped grooves 14-1 at one end of the connecting shaft 14 need to be arranged oppositely, and the limiting blocks 26 on the inner wall of the left and right moving rotating sleeve 25 can be clamped in the inner cavities of the corresponding L-shaped grooves 14-1.

Referring to fig. 6-8, the connecting assembly 2 comprises a connecting cylinder 21, a rotating sleeve 25 is symmetrically and rotatably sleeved in an inner cavity of the connecting cylinder 21, a limiting block 26 is symmetrically and integrally extended on the inner wall of the rotating sleeve 25, a connecting rod 28 is fixedly connected to the opposite side of the rotating sleeve 25, a first bevel gear 29 is fixedly sleeved at one end of the connecting rod 28, a rotating rod 23 is rotatably sleeved in the middle of the connecting cylinder 21, a second bevel gear 211 is fixedly sleeved on the surface of the rotating rod 23, the second bevel gear 211 is meshed with the surface of the first bevel gear 29, sliding grooves 213 are symmetrically and fixedly arranged on the surfaces of two ends of the connecting cylinder 21, sleeve connecting pieces 214 are arranged in the inner cavity of the sliding grooves 213, connecting mechanisms 24 are symmetrically arranged on the surface of the connecting cylinder 21, a limiting bar 212 is arranged between the surface of the rotating sleeve 25 and the inner wall of the connecting cylinder 21, the limiting bar 212 is slidingly sleeved on the surface of the rotating sleeve 25, the rotation of the rotating sleeve 25 can be more stable through the limit of the limit bar 212 on the rotating sleeve 25, the surface of the limit bar 26 is mutually matched with the inner cavity of the L-shaped groove 14-1, the top of the rotating rod 23 is an inner hexagon nut and is mutually flush with the top of the connecting sleeve 21, the connecting shaft 14 is inserted into the inner cavity of the rotating sleeve 25, the connecting shaft 14 is aligned with the limit bar 26, the limit bar 26 is inserted into the connecting shaft 14 until one end of the connecting shaft 14 completely abuts against the inner cavity of the rotating sleeve 25, then the connecting shaft 14 is inserted into the rotating rod 23 through a spanner, the rotating rod 23 is rotated, the second bevel gear 211 on the surface of the rotating rod 23 is mutually meshed with the first bevel gear 29 for transmission, the connecting rod 28 is connected with the rotating sleeve 25 to drive the left rotating sleeve 25 and the right rotating sleeve 25 to reversely rotate under the limit of the limit bar 212, the limiting block 26 is clamped in the inner cavity of the L-shaped groove 14-1, the connecting shaft 14 is clamped in the inner cavity of the rotating sleeve 25, connection of the connecting shaft 14 is completed, connection between the connecting shaft 14 and the rotating sleeve 25 is completed through clamping connection between the connecting shaft 14 and the rotating sleeve 25, and the connecting mode is simple and stable.

Referring to fig. 9-10, the sleeve connecting piece 214 includes a connecting sleeve 201, one end and surface of the connecting sleeve 201 are all parallel and level with each other, a bearing 203 is fixedly sleeved on an inner wall of one side of the connecting sleeve 201, an inner thread 202 is fixedly arranged on an inner wall of the other side of the connecting sleeve 201, a connecting block 204 is symmetrically and fixedly connected on an inner wall of the bearing 203, a sliding rod 205 is slidingly sleeved in an inner cavity of the connecting block 204, two ends of the sliding rod 205 are fixedly connected in an inner cavity of the sliding groove 213, the bearing 203 is sleeved in an inner cavity of the sliding groove 213 through a cross sliding manner, the bearing 203 is movably attached to one end surface of the connecting sleeve 21, one end opposite to the first sleeve 11 through the second sleeve 12 is abutted against one end of the connecting sleeve 21, and the inner thread arranged on the inner wall of the connecting sleeve 201 is contacted with each other, so that the connecting sleeve 201 is directly rotated, the connecting sleeve 201 is rotated through the bearing 203, the inner thread 202 is connected with the outer thread, and a pulling force is generated by the connecting sleeve 201 along with the rotation of the connecting sleeve 201, and the bearing 203 can slide on the inner thread 205 through the sliding of the sliding rod 213, so that the connecting sleeve 201 moves along with the thread connection to the inner thread of the connecting sleeve 11 and the first sleeve 11 and the second sleeve 11 can be connected with the first sleeve 13 through the first sleeve 13 and the first sleeve 13.

Referring to fig. 11, the connection mechanism 24 includes a sleeve 241, an L-shaped rod 242 is slidingly sleeved in an inner cavity of the sleeve 241, an arc-shaped rotating block 243 is rotationally sleeved on a surface of the sleeve 241 through a rotating pin 244, a through hole 245 is fixedly provided on a surface of the arc-shaped rotating block 243, one end of the L-shaped rod 242 is fixedly connected to a surface of the connecting cylinder 21, the sleeve 241 is fixedly connected to surfaces of the first sleeve 11, the second sleeve 12 and the connecting shaft 14, one end of a rope passes through a through hole 245 provided on a surface of the arc-shaped rotating block 243 on one side and is connected to the arc-shaped rotating block 243, and the other end passes through the through hole 245 provided on a surface of the arc-shaped rotating block 243 on the other side and is pulled outwards, the second sleeve 12 is moved on one side by pulling the rope simultaneously, the sleeve 241 slides on the surface of the L-shaped rod 242 and simultaneously moves the second sleeve 12 and the connecting cylinder 21, and one end of the second sleeve 12 and the first sleeve 11 are abutted to one end of the connecting cylinder 21, so that the first sleeve 11, the second sleeve 12, the third sleeve 13 and the connecting assembly 2 can be connected in an aligned manner, and the required connection can be achieved without more time-saving and labor-saving phenomena.

When in use, the sleeve 241 is fixedly connected to the first sleeve 11, the second sleeve 12 and the third sleeve 13, one ends of the first sleeve 11 and the second sleeve 12 are aligned, one end of the L-shaped rod 242 on the connecting cylinder 21 is inserted into the inner cavity of the sleeve 241, the first sleeve 11, the second sleeve 12 and the connecting cylinder 21 can be kept aligned after the insertion, the first sleeve 11 is fixed, the arc-shaped rotating block 243 is rotated on the surfaces of the first sleeve 11 and the second sleeve 12 through the rotating pin 244, and the sleeve 241 is limited, so that the sleeve 241 can only be kept at 90 degrees, one end of a rope penetrates through the through hole 245 formed on the surface of the arc-shaped rotating block 243 and is connected to the arc-shaped rotating block 243, the other end of the rope penetrates through the through hole 245 on the surface of the arc-shaped rotating block 243, and is pulled outwards, one side of the second sleeve 12 is enabled to move through the rope, the sleeve 241 slides on the surface of the L-shaped rod 242 and abuts against the L-shaped rod 242, the second sleeve 12 and the connecting cylinder 21 is enabled to move simultaneously, the second sleeve 12 and the connecting cylinder 21 is enabled to rotate on the surface of the first sleeve 11 and the connecting cylinder 21, the inner cavity is enabled to abut against the inner cavity 14, the inner cavity 14 is enabled to rotate, one end of the first sleeve 12 and the first sleeve 12 is enabled to abut against the inner cavity 14, and the inner cavity 14 is completely, the inner cavity 14 is connected to the inner cavity 14 is formed by inserting the first sleeve 14, and the first sleeve 14 is connected to the inner cavity 14 through the inner cavity 25, and the inner cavity of the inner cavity is completely through the inner cavity of the inner cavity is completely through the inner cavity, and the inner cavity is made and the inner cavity is completely cover is made.

Then the wrench is inserted into the rotating rod 23, the rotating rod 23 is rotated, the second bevel gear 211 on the surface of the rotating rod 23 and the first bevel gear 29 are in meshed transmission, the connecting rod 28 is connected with the rotating sleeve 25, the rotating sleeves 25 on the left side and the right side are driven to rotate reversely in the inner cavity of the connecting cylinder 21 under the limit of the limit bar 212, the limit block 26 is clamped in the inner cavity of the L-shaped groove 14-1, the connecting shaft 14 is clamped in the inner cavity of the rotating sleeve 25, and the connection of the connecting shaft 14 is completed.

Then, at this time, the opposite ends of the second sleeve 12 and the first sleeve 11 are abutted against one end of the connecting cylinder 21, and the outer screw teeth are disposed on the surface of one end and contact with the inner screw teeth disposed on the inner wall of the connecting sleeve 201, so that the connecting sleeve 201 is directly rotated, the connecting sleeve 201 is rotated by the bearing 203, the inner screw teeth 202 are connected with the outer screw teeth by screw threads, and as the connecting sleeve 201 rotates, the connecting sleeve 201 generates pulling force, so that the bearing 203 slides on the sliding rod 205 by the connecting block 204, the connecting sleeve 201 moves along with screw threads, until the connecting sleeve 201 is screwed on one end of the first sleeve 11 and the second sleeve 12, so that the connection of the first sleeve 11 and the second sleeve 12 is completed, after the first sleeve 11, the second sleeve 12 and the corresponding connecting shaft 14 are assembled, the rope is removed from the arc-shaped rotating block 243, the arc-shaped rotating block 243 is reset, and finally the second sleeve 12 and the second sleeve 12 are assembled according to the steps.

And all that is not described in detail in this specification is well known to those skilled in the art.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a small-bore concrete tube core mould vibration generator, includes plug (1) and coupling assembling (2), its characterized in that: the core rod (1) consists of a first sleeve (11), a second sleeve (12) and a third sleeve (13), wherein connecting shafts (14) are arranged in the inner cavities of the first sleeve (11), the second sleeve (12) and the third sleeve (13), and L-shaped grooves (14-1) are symmetrically formed in one ends, opposite to the connecting shafts (14);

the connecting assembly (2) comprises a connecting cylinder (21), a rotating sleeve (25) is symmetrically and rotatably sleeved in an inner cavity of the connecting cylinder (21), limiting blocks (26) are symmetrically and integrally arranged on the inner wall of the rotating sleeve (25), a connecting rod (28) is fixedly connected to the opposite side of the rotating sleeve (25), a first bevel gear (29) is fixedly sleeved at one end of the connecting rod (28), a rotating rod (23) is rotatably sleeved in the middle of the connecting cylinder (21), a second bevel gear (211) is fixedly sleeved on the surface of the rotating rod (23), the second bevel gear (211) is in meshed connection with the surface of the first bevel gear (29), sliding grooves (213) are symmetrically and fixedly arranged on the surfaces of two ends of the connecting cylinder (21), sleeve connecting pieces (214) are arranged in the inner cavity of the sliding grooves (213), and connecting mechanisms (24) are symmetrically arranged on the surface of the connecting cylinder (21).

The sleeve connecting piece (214) comprises a connecting sleeve (201), a bearing (203) is fixedly sleeved on the inner wall of one side of the connecting sleeve (201), inner threads (202) are fixedly arranged on the inner wall of the other side of the connecting sleeve (201), connecting blocks (204) are symmetrically and fixedly connected to the inner wall of the bearing (203), a sliding rod (205) is sleeved in an inner cavity of the connecting block (204) in a sliding manner, two ends of the sliding rod (205) are fixedly connected to the inner cavity of the sliding groove (213), the bearing (203) is sleeved in the inner cavity of the sliding groove (213) in a sliding manner in a cross manner, and the bearing (203) is movably attached to one end surface of the connecting cylinder (21);

coupling mechanism (24) are including sleeve pipe (241), the inner chamber slip of sleeve pipe (241) has cup jointed L type pole (242), the surface of sleeve pipe (241) has rotationally cup jointed arc rotor (243) through rotation round pin (244), through-hole (245) have been seted up to the fixed surface of arc rotor (243), the one end fixed connection of L type pole (242) is on the surface of connecting cylinder (21), and sleeve pipe (241) fixed connection is on the surface of first sleeve (11), second sleeve (12) and connecting axle (14).

2. The small-caliber concrete pipe core die vibration generator according to claim 1, wherein: a limit bar (212) is arranged between the surface of the rotating sleeve (25) and the inner wall of the connecting cylinder (21), and the limit bar (212) is sleeved on the surface of the rotating sleeve (25) in a sliding way.

3. The small-caliber concrete pipe core die vibration generator according to claim 1, wherein: the opposite ends of the first sleeve (11), the second sleeve (12) and the third sleeve (13) are T-shaped, outer threads are arranged on the surfaces of the first sleeve, the second sleeve and the third sleeve, and the outer threads are in threaded connection with the inner threads (202).

4. The small-caliber concrete pipe core die vibration generator according to claim 1, wherein: one end of the connecting shaft (14) is movably sleeved in the inner cavity of the rotating sleeve (25) and is mutually attached.

5. The small-caliber concrete pipe core die vibration generator according to claim 1, wherein: the surface of the limiting block (26) is matched with the inner cavity of the L-shaped groove (14-1).

6. The small-caliber concrete pipe core die vibration generator according to claim 1, wherein: the L-shaped grooves (14-1) are all arranged.

7. The small-caliber concrete pipe core die vibration generator according to claim 1, wherein: the top of the rotating rod (23) is an inner hexagon nut, and the inner hexagon nut is level with the top of the connecting cylinder (21).

8. The small-caliber concrete pipe core die vibration generator according to claim 1, wherein: the connecting sleeve (201) is flush with one end and the surface of the connecting cylinder (21).