CN114892506A

CN114892506A - Hollow pier internal and external coordination pouring device

Info

Publication number: CN114892506A
Application number: CN202210569231.9A
Authority: CN
Inventors: 冯鹏程; 谢晶; 唐鑫; 李友
Original assignee: Sinohydro Bureau 10 Co Ltd
Current assignee: Sinohydro Bureau 10 Co Ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-08-12
Anticipated expiration: 2042-05-24
Also published as: CN114892506B

Abstract

The invention provides an internal and external coordination pouring device for a hollow pier. Hollow mound is interior outer to coordinate pours device includes: the utility model discloses a concrete valve, including pouring machine arm and the mounting table of fixing at pouring machine arm top, the below of mounting table is equipped with pours the jar, the top of pouring the jar is equipped with the apron, the bottom of apron is rotated and is installed even axle, the bottom fixed mounting who links the axle has the rotary rod, fixed cover is equipped with a plurality of stirring rakes on the rotary rod, the bottom fixed mounting who pours the jar arranges the material pipe, arrange and be equipped with the concrete valve on the material pipe, the bottom fixed mounting of rotary rod has the auger, the bottom of auger extends to arrange in the material pipe, the bottom fixed mounting who arranges the material pipe has the bellows, the bottom fixed mounting of bellows has the go-between. The internal and external coordination pouring device for the hollow pier has the advantages that the stirring barrel can be effectively prevented from shaking, and the utilization rate of concrete is improved.

Description

Hollow pier internal and external coordination pouring device

Technical Field

The invention relates to the technical field of hollow pier pouring, in particular to a hollow pier internal and external coordination pouring device.

Background

The hollow pier is generally a hollow pier, and refers to a pier which is made of concrete or reinforced concrete into a hollow thin-wall structure and the like, so that masonry materials can be saved, the weight is reduced, and during construction, a solid structure which is built by concrete or stone is generally adopted, and a pier body is provided with a pier cap and connected with a foundation. The concrete mixer can fully utilize the compression resistance of masonry materials, can bear external force in the vertical direction and the horizontal direction by means of the larger cross section size and weight of the concrete mixer, has the advantages of firmness, durability, simple construction, convenient material taking, steel saving and the like, is generally carried out through a special long-arm casting machine in the casting process of the hollow pier, a non-concrete mixing tank is hung at the uppermost arm of the casting machine, then the mixing tank is directly hung above the hollow pier, and then the mixing tank is manually supported for casting.

However, when the above-mentioned conventional pouring device is used, it is found that the stirring barrel hung on the device is mostly hung through a lifting rope, and the stirring barrel is easy to shake, so that the normal pouring work is directly affected, and in the using process of the stirring barrel, more concrete residues are adhered to the inner wall, which not only causes the waste of concrete, but also needs to be cleaned up separately.

Therefore, it is necessary to provide a device for coordination casting inside and outside the hollow pier to solve the above technical problems.

Disclosure of Invention

The invention aims to provide the hollow pier internal and external coordination pouring device which can effectively prevent a stirring barrel from shaking and improve the utilization rate of concrete.

In order to solve the technical problem, the invention provides an internal and external coordination pouring device for a hollow pier, which comprises: the casting machine arm with fix the mount table at casting machine arm top, the below of mount table is equipped with pours the jar, the top of pouring the jar is equipped with the apron, the bottom of apron is rotated and is installed even axle, the bottom fixed mounting who links the axle has the rotary rod, fixed cover is equipped with a plurality of stirring rakes on the rotary rod, the bottom fixed mounting who pours the jar arranges the material pipe, arrange and be equipped with the concrete valve on the material pipe, the bottom fixed mounting of rotary rod has the auger, the bottom of auger extends to arrange in the material pipe, the bottom fixed mounting who arranges the material pipe has the bellows, the bottom fixed mounting of bellows has the go-between, it scrapes the strip to be equipped with two in the pouring jar, two scrape the strip all with the inner wall of pouring the jar contacts, and two scrape the strip all with rotary rod fixed connection.

Preferably, the casting tank is movably sleeved with a bearing plate, two standing plates are fixedly mounted at the bottom of the bearing plate, transmission screws are arranged on two sides of the casting tank, and the two transmission screws penetrate through the bearing plate and are in threaded connection with the bearing plate.

Preferably, a frame is fixedly installed at the top of the cover plate, a threaded sleeve is rotatably installed on the installation table, an adjusting screw is installed in the threaded sleeve in a threaded mode, and the bottom end of the adjusting screw is fixedly connected with the frame.

Preferably, two inserting plates are fixedly mounted on the outer wall of the pouring tank, the two inserting plates penetrate through the cover plate and are in sliding connection with the cover plate, one sides, close to each other, of the two inserting plates are respectively provided with an embedded groove, two box bodies are arranged above the cover plate, two embedded blocks are respectively and slidably mounted in the two box bodies, one sides, far away from each other, of the two embedded blocks extend into the corresponding embedded grooves, the embedded blocks are matched with the embedded grooves and are respectively movably connected with one sides, far away from each other, of the two box bodies, one sides, close to each other, of the two embedded blocks are respectively and fixedly mounted with a pressure spring, one ends, close to each other, of the two pressure springs are respectively and fixedly connected with the inner wall, close to each other, of the two box bodies, a first bidirectional screw rod is rotatably mounted on the frame, and two connecting plates are mounted on the first bidirectional screw rod through threads, and one side of the first connecting belt plate, which is close to each other, is fixedly connected with the corresponding box body.

Preferably, the top fixed mounting of apron has motor one, motor one the output shaft with the top fixed connection who links the axle, fixed mounting has two extension boards one, two on pouring the outer wall of jar drive screw all runs through the correspondence the extension board in the lump with corresponding a rotation connection, arbitrary one the top fixed mounting of extension board one has motor two, motor two the output shaft with correspond drive screw one's top fixed connection, two drive screw all goes up the fixed cover and is equipped with the synchronizing wheel, two the cover is equipped with same hold-in range on the synchronizing wheel, the hold-in range runs through two the station board and with two station board swing joint, just it is located to arrange the material pipe in the hold-in range.

Preferably, the bottom of mount table rotates installs the pivot, the top fixed mounting of mount table has motor three, motor three's output shaft with the top fixed connection of pivot, the pivot with all fixed the cover is equipped with the gear on the thread bush, two the gear meshes mutually.

Preferably, the bottom fixed mounting who pours the jar has the spliced pole, there is the fixed plate the bottom of spliced pole through bolt fixed mounting, the bottom fixed mounting of fixed plate has the clamping piece, the annular has all been seted up to the top and the bottom of go-between, the mouth that presss from both sides has been seted up to one side of clamping piece, one side of go-between extends to in the mouth that presss from both sides, just the thickness of go-between with press from both sides mouthful looks adaptation.

Preferably, it installs two-way lead screw two to rotate on the clamping piece, two-way lead screw two go up the screw thread and install two and even band plate two, two even there is the reference column, two one side that two band plates are close to each other equal fixed mounting in one side all extends to the correspondence the annular, the reference column with annular looks adaptation, and two the reference column all with clamping piece swing joint.

Compared with the prior art, the hollow pier internal and external coordination pouring device provided by the invention has the following beneficial effects:

the invention provides a hollow pier internal and external coordination pouring device, which can stir concrete in real time through a stirring paddle and a packing auger, prevent the concrete from solidifying, ensure the mixing uniformity of raw materials in the hollow pier, ensure that a pouring tank does not generate attachments basically under the action of a scraping strip, fully utilize the concrete, quickly finish disassembly and assembly through the insertion between an inserting plate and an inserting block between a cover plate and the pouring tank and rotate a bidirectional screw rod I, facilitate people to pour the prepared concrete into the pouring tank, realize one expansion of a standing plate, release the space position below the pouring tank, facilitate people to pour by using a corrugated pipe, directly fix an adjusting screw rod and a frame, prevent the pouring tank from shaking, greatly improve the stability of a pouring process, moreover, by means of the thread fit between the adjusting screw and the thread sleeve, the height position of the pouring tank can be adjusted, and therefore the actual pouring requirement can be met.

Drawings

FIG. 1 is a schematic front view of a first embodiment of a hollow pier internal and external coordination casting device provided by the invention;

FIG. 2 is a schematic partial structural view of a first embodiment of the hollow pier internal and external coordination casting device provided by the invention;

FIG. 3 is an enlarged schematic view of portion A of FIG. 1;

FIG. 4 is an enlarged schematic view of a portion B shown in FIG. 2;

FIG. 5 is a schematic front view of a second embodiment of a hollow pier internal and external coordination casting device provided by the invention;

FIG. 6 is an enlarged schematic view of a portion C shown in FIG. 5;

FIG. 7 is an enlarged schematic view of a portion D shown in FIG. 6;

fig. 8 is a schematic top view of a connecting ring in a second embodiment of the hollow pier internal and external coordination casting device provided by the invention.

Reference numbers in the figures: 1. a casting machine arm; 2. an installation table; 3. pouring a tank; 4. a cover plate; 5. a connecting shaft; 6. rotating the rod; 7. a stirring paddle; 8. a discharge pipe; 9. a packing auger; 10. a bellows; 11. a connecting ring; 12. scraping the strips; 13. carrying a plate; 14. standing the plate; 15. a drive screw; 16. a frame; 17. a threaded sleeve; 18. adjusting the screw rod; 19. inserting plates; 20. caulking grooves; 21. a box body; 22. an insert block; 23. a pressure spring; 24. a first bidirectional screw rod; 25. a first connecting plate; 26. connecting columns; 27. a fixing plate; 28. a clip; 29. a ring groove; 30. clamping the opening; 31. a two-way screw rod II; 32. a second connecting plate; 33. and a positioning column.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

First embodiment

Referring to fig. 1-4, in a first embodiment of the present invention, an apparatus for casting hollow piers in coordination with inside and outside includes: the concrete pouring device comprises a casting machine arm 1 and an installation platform 2 fixed at the top of the casting machine arm 1, a casting tank 3 is arranged below the installation platform 2, a cover plate 4 is arranged at the top of the casting tank 3, a connecting shaft 5 is rotatably arranged at the bottom of the cover plate 4, a rotary rod 6 is fixedly arranged at the bottom end of the connecting shaft 5, a plurality of stirring paddles 7 are fixedly sleeved on the rotary rod 6, a discharging pipe 8 is fixedly arranged at the bottom of the casting tank 3, a concrete valve is arranged on the discharging pipe 8, an auger 9 is fixedly arranged at the bottom end of the rotary rod 6, the auger 9 can stir sediments such as stones at the bottom upwards on one hand, the mixing uniformity is improved, on the other hand, the concrete can be smoothly discharged during blanking, the bottom end of the auger 9 extends into the discharging pipe 8, a corrugated pipe 10 is fixedly arranged at the bottom of the discharging pipe 8, the corrugated pipe 10 has certain telescopic performance and is wholly soft, so that people can conveniently carry out the corrugated pipe 10 to be aligned with a designated position for casting, the bottom fixed mounting of bellows 10 has go-between 11, pours and is equipped with two in jar 3 and scrapes strip 12, scrapes strip 12 and is the folding rod form, can with the inner wall shape adaptation of pouring jar 3 to form the laminating of large tracts of land, just so can effectively strike off its inner wall attachment, two scrape strip 12 all contact with the inner wall of pouring jar 3, and two scrape strip 12 all with rotary rod 6 fixed connection.

It is equipped with loading board 13 to pour movable sleeve on jar 3, and loading board 13's bottom fixed mounting has two boards 14 of standing, and the both sides of pouring jar 3 all are equipped with drive screw 15, and two drive screw 15 all run through loading board 13 and with loading board 13 threaded connection, through loading board 13 and drive screw 15's screw-thread fit, alright smooth realize stretching out and drawing back to board 14 of standing to can vacate the space of pouring jar 3 below, make things convenient for people to pour the operation.

The top fixed mounting of apron 4 has frame 16, rotates on the mount table 2 and installs thread bush 17, and adjusting screw 18 is installed to thread bush 17 internal thread, adjusting screw 18's bottom and frame 16 fixed connection, and slidable mounting has the pole setting on mount table 2, and the bottom of pole setting is fixed with frame 16, alright form the restriction to adjusting screw 18 like this, makes it can only carry out linear elevating movement.

Two inserting plates 19 are fixedly arranged on the outer wall of the pouring tank 3, the two inserting plates 19 penetrate through the cover plate 4 and are in sliding connection with the cover plate 4, two inserting holes are formed in the cover plate 4, the two inserting plates 19 penetrate through the corresponding inserting holes and are in contact type sliding connection with the inner walls of the corresponding inserting holes, embedding grooves 20 are formed in the sides, close to each other, of the two inserting plates 19, two box bodies 21 are arranged above the cover plate 4, embedding blocks 22 are arranged in the two box bodies 21 in a sliding mode, the sides, far away from each other, of the two embedding blocks 22 extend into the corresponding embedding grooves 20, the embedding blocks 22 are matched with the embedding grooves 20, the two embedding blocks are tight and seamless in an inserting state, so that the stable fixing state of the inserting plates 19 is guaranteed, a first bevel edge is arranged at the tops of the two inserting plates 19, a second bevel edge is arranged on the sides, far away from each other, of the two bevel edges are matched with the corresponding bevel edges, so that the inserting plates 19 can ascend, the two can form a sliding type conflict, finally, the insertion of the embedded block 22 into the embedded groove 20 is ensured, the two embedded blocks 22 are respectively movably connected with one side of the two box bodies 21 away from each other, the side of the two embedded blocks 22 close to each other is fixedly provided with a pressure spring 23, one end of the two pressure springs 23 close to each other is respectively fixedly connected with the inner wall of one side of the two box bodies 21 close to each other, the pressure spring 23 can provide a resilience function for the embedded block 22, so that under the compression of the inserting plate 19, the embedded block 22 can be firstly retracted into the box body 21 and then finally is ejected into the embedded groove 20, the installation work of people is facilitated, a bidirectional screw rod 24 is rotatably arranged on the frame 16, two connecting belt plates one 25 are arranged on the bidirectional screw rod one 24 in a threaded manner, one side of the two connecting belt plates one 25 close to each other is fixedly connected with the corresponding box body 21, a cross rod is fixed on the frame 16, the cross rod penetrates through the two connecting belt plates one 25 and is connected with the two connecting belt plates one 25 in a sliding manner, this ensures that the first belt plate 25 can only move linearly and horizontally.

A first motor is fixedly arranged at the top of the cover plate 4, an output shaft of the first motor is fixedly connected with the top end of the connecting shaft 5, two first support plates are fixedly arranged on the outer wall of the pouring tank 3, two transmission screws 15 penetrate through the corresponding first support plates and are connected with the corresponding first support plates in a rotating manner, two second support plates positioned below the first support plates are also fixedly arranged on the outer wall of the pouring tank 3, the two transmission screws 15 penetrate through the corresponding second support plates and are connected with the corresponding second support plates in a rotating manner, limiting rods are fixedly arranged at the tops of the two second support plates, the two limiting rods penetrate through the corresponding second support plates and are connected with the corresponding second support plates in a sliding manner, so that the linear lifting process of the bearing plate 13 can be ensured, a second motor is fixedly arranged at the top of any one first support plate, the output shaft of the second motor is fixedly connected with the top ends of the corresponding first transmission screws 15, and synchronizing wheels are fixedly sleeved on the two first transmission screws 15, the two synchronizing wheels are sleeved with the same synchronous belt, the synchronous belt penetrates through the two station plates 14 and is movably connected with the two station plates 14, and the discharge pipe 8 is positioned in the synchronous belt.

The bottom of mount table 2 rotates installs the pivot, and the top fixed mounting of mount table 2 has motor three, and motor three's output shaft and the top fixed connection of pivot all fix the cover on pivot and the thread bush 17 and be equipped with the gear, two gear meshes mutually.

In this embodiment:

when pouring is carried out, the pouring tank 3 filled with concrete is hung above a hollow pier to be poured by using an external long-arm pouring machine, then the motor II is started in the forward direction, the output shaft of the motor II drives the corresponding transmission screw 15 to rotate, so that the bearing plate 13 can drive the two station plates 14 to ascend under the threaded relation between the bearing plate and the bearing plate 13 and the transmission of a synchronous wheel and a synchronous belt, and finally the bearing plate is ascended above the corrugated pipe 10, so that the station plates 14 cannot hinder the next operation of a worker;

then, a first motor is started, under the driving of a connecting shaft 5, a rotating rod 6 drives a stirring paddle 7 and two scraping strips 12 to rotate, then concrete can be stirred, attachments on the inner wall of a pouring tank 3 can be scraped, meanwhile, the rotating rod 6 can also drive an auger 9 to rotate, then the concrete can be sufficiently stirred, then workers on one side hold a corrugated pipe 10 to be aligned to a position needing pouring, then a concrete valve is opened, the concrete in the pouring tank 3 can flow out, then pouring work is started, and in the pouring process, the auger 9 can enable the concrete to smoothly flow out, and blockage can not be generated in a discharging pipe 8;

after pouring, the motor II is started reversely, the standing plate 14 is brought to the original state, the pouring tank 3 is brought to the ground, the bidirectional screw rod I24 is rotated clockwise, the two connecting plates I25 are close to each other, so that the embedded block 22 is brought out of the embedded groove 20, the cover plate 4 is separated from the pouring tank 3, the bidirectional screw rod I24 is rotated anticlockwise, the box body 21 with the embedded block 22 is brought back to the original position, then concrete can be poured into the pouring tank 3, the cover plate 4 is inserted onto the pouring tank 3 again after a certain amount of concrete is poured, in the inserting process, the two inserting plates 19 are inserted into the cover plate 4, when the tops of the inserting plates 19 are in contact with the embedded block 22, the embedded block 22 is pushed into the box body 21, the compression spring 23 is in a compressed state at the moment, until the cover plate 4 is in contact with the tops of the pouring tank 3, the embedded block 22 corresponds to the embedded groove 20, under the action of the pressure spring 23, the insert block 22 directly enters the insert groove 20, assembly is completed, and then the insert block is continuously lifted and poured;

in addition, in the pouring process, if the height position of the pouring tank 3 needs to be adjusted according to actual requirements, the motor III can be started in the forward direction, the output shaft of the motor III drives the rotating shaft to rotate, then the threaded sleeve 17 starts to rotate under the meshing of the two gears, then the frame 16 can be driven to descend by utilizing the threaded relation between the threaded sleeve and the adjusting screw 18, then the pouring tank 3 can be driven to descend together, and therefore the height position of the pouring tank 3 can be changed to meet the actual pouring requirements.

the device can stir the concrete in real time through the stirring paddle 7 and the auger 9, prevent the concrete from being solidified, ensure the mixing uniformity of the raw materials in the device, basically prevent the pouring tank 3 from generating attachments under the action of the scraping strip 12, fully utilize the concrete, and quickly complete the disassembly and assembly through the insertion between the insertion plate 19 and the insertion block 22 between the cover plate 4 and the pouring tank 3 and rotate the bidirectional screw rod 24, so that people can pour the prepared concrete into the pouring tank 3 conveniently, in addition, the station plate 14 is stretched to release the space position below the pouring tank 3, so that people can conveniently pour by utilizing the corrugated pipe 10, and in addition, the pouring tank 3 can not shake by directly fixing the adjusting screw rod 18 and the frame 16, thereby greatly improving the stability of the pouring process, moreover, the height position of the pouring tank 3 can be adjusted by utilizing the thread matching between the adjusting screw 18 and the thread sleeve 17, so that the actual pouring requirement can be met.

Second embodiment:

based on the hollow pier inside and outside coordination pouring device provided by the first embodiment of the application, the second embodiment of the application provides another hollow pier inside and outside coordination pouring device. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

The second embodiment of the present invention will be further described with reference to the drawings and the following description.

Please refer to fig. 5-8 in combination, the internal and external coordination casting device for the hollow pier further includes a connection column 26, the connection column 26 is fixedly installed at the bottom of the casting tank 3, a fixing plate 27 is fixedly installed at the bottom of the connection column 26 through a bolt, and the fixing plate 27 can be conveniently disassembled and assembled through the disassembling and assembling design of the bolt, so that inconvenience is not brought to casting work, a clamping piece 28 is fixedly installed at the bottom of the fixing plate 27, annular grooves 29 are respectively formed at the top and the bottom of the connection ring 11, a clamping opening 30 is formed at one side of the clamping piece 28, one side of the connection ring 11 extends into the clamping opening 30, the thickness of the connection ring 11 is matched with the clamping opening 30, a part of the connection ring 11 is inserted into the clamping opening 30, and the part of the connection ring 11 is contacted with the top inner wall, the bottom inner wall and the side wall of the clamping opening 30, so as to ensure the clamping effect of the connection ring 11.

Two 31 two-way lead screw are installed in the rotation on the clamping piece 28, two 32 with the board are installed to the screw thread on two 31 two-way lead screw, top and bottom at clamping piece 28 all are fixed with branch, two branches all run through two 32 with the board of the corresponding company and with two 32 sliding connection of the board of the corresponding company, like this alright form the slip restriction to two 32 with the board, make its can be smooth carry out linear elevating movement, can not take place to rotate, two 32 with the board each other one side of being close to all fixed mounting have a reference column 33, two reference columns 33 each other one side of being close to all extend to corresponding annular 29 in, reference column 33 and annular 29 looks adaptation, the two size adaptations, reference column 33 can be inseparable insert in annular 29, thereby can guarantee the fixed effect to go-between 11, and two reference columns 33 all with clamping piece 28 swing joint.

In this embodiment:

when the device is not used, in order to prevent the corrugated pipe 10 from swinging and reduce the damage degree of the corrugated pipe, the fixing plate 27 can be firstly installed at the bottom of the connecting column 26, then the connecting ring 11 is directly inserted into the clamping opening 30, then the bidirectional screw rod 31 is rotated clockwise, the two connecting plate 32 are close to each other, and finally the two positioning columns 33 are respectively brought into the two annular grooves 29, so that clamping limitation can be formed on the connecting ring 11 and the corrugated pipe 10, natural shaking cannot occur, when in subsequent pouring, the bidirectional screw rod 31 can be rotated anticlockwise, the positioning columns 33 are taken out of the annular grooves 29, then the connecting ring 11 is pulled out from the clamping opening 30, and then the fixing plate 27 is directly taken off from the connecting column 26, so that the operation is simple and convenient.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An internal and external coordination pouring device for a hollow pier comprises a casting machine arm and a mounting platform fixed at the top of the casting machine arm, it is characterized in that a pouring tank is arranged below the mounting platform, a cover plate is arranged at the top of the pouring tank, a connecting shaft is rotatably arranged at the bottom of the cover plate, a rotating rod is fixedly arranged at the bottom end of the connecting shaft, a plurality of stirring paddles are fixedly sleeved on the rotating rod, a discharge pipe is fixedly arranged at the bottom of the pouring tank, a concrete valve is arranged on the discharge pipe, an auger is fixedly arranged at the bottom end of the rotating rod, the bottom end of the auger extends into the discharge pipe, the bottom of the discharging pipe is fixedly provided with a corrugated pipe, the bottom of the corrugated pipe is fixedly provided with a connecting ring, the casting tank is internally provided with two scraping strips, the two scraping strips are in contact with the inner wall of the casting tank, and the two scraping strips are fixedly connected with the rotating rod.

2. The hollow pier inside and outside coordination pouring device according to claim 1, wherein a bearing plate is movably sleeved on the pouring tank, two standing plates are fixedly installed at the bottom of the bearing plate, and transmission screws are arranged on two sides of the pouring tank and penetrate through the bearing plate and are in threaded connection with the bearing plate.

3. The hollow pier inside and outside coordination pouring device according to claim 1, wherein a frame is fixedly installed at the top of the cover plate, a threaded sleeve is rotatably installed on the installation platform, an adjusting screw rod is installed in the threaded sleeve in a threaded mode, and the bottom end of the adjusting screw rod is fixedly connected with the frame.

4. The internal and external coordination pouring device for the hollow pier as claimed in claim 3, wherein two inserting plates are fixedly installed on the outer wall of the pouring tank, the two inserting plates penetrate through the cover plate and are in sliding connection with the cover plate, one sides of the two inserting plates close to each other are respectively provided with an embedding groove, two box bodies are arranged above the cover plate, embedding blocks are respectively installed in the two box bodies in a sliding manner, one sides of the two embedding blocks far away from each other extend into the corresponding embedding grooves, the embedding blocks are matched with the embedding grooves, the two embedding blocks are respectively movably connected with one sides of the two box bodies far away from each other, one sides of the two embedding blocks close to each other are respectively fixedly provided with a pressure spring, one ends of the two pressure springs close to each other are respectively fixedly connected with the inner wall of one side of the two box bodies close to each other, and a first bidirectional screw is rotatably installed on the frame, two first connecting plates are arranged on the first bidirectional screw rod in a threaded mode, and one sides, close to each other, of the first connecting plates are fixedly connected with the corresponding box body.

5. The hollow pier inside and outside coordination casting device according to claim 2, wherein a first motor is fixedly installed at the top of the cover plate, an output shaft of the first motor is fixedly connected with the top end of the connecting shaft, two first support plates are fixedly installed on the outer wall of the casting tank, two transmission screws penetrate through the corresponding first support plates and are rotatably connected with the corresponding first support plates, a second motor is fixedly installed at the top of any one of the first support plates, an output shaft of the second motor is fixedly connected with the top ends of the corresponding first transmission screws, a synchronizing wheel is fixedly sleeved on each of the two first transmission screws, the same synchronizing belt is sleeved on each of the two synchronizing wheels, the synchronizing belt penetrates through the two station plates and is movably connected with the two station plates, and the discharge pipe is located in the synchronizing belt.

6. The hollow pier inside and outside coordination pouring device according to claim 3, wherein a rotating shaft is rotatably installed at the bottom of the installation table, a third motor is fixedly installed at the top of the installation table, an output shaft of the third motor is fixedly connected with the top end of the rotating shaft, gears are fixedly sleeved on the rotating shaft and the threaded sleeve, and the two gears are meshed with each other.

7. The hollow pier inside and outside coordination pouring device according to claim 1, wherein the bottom of the pouring tank is fixedly provided with a connecting column, the bottom of the connecting column is fixedly provided with a fixing plate through a bolt, the bottom of the fixing plate is fixedly provided with a clamping piece, the top and the bottom of the connecting ring are both provided with annular grooves, one side of the clamping piece is provided with a clamping opening, one side of the connecting ring extends into the clamping opening, and the thickness of the connecting ring is matched with the clamping opening.

8. The hollow pier internal and external coordination pouring device according to claim 7, wherein a two-way screw rod II is rotatably mounted on the clamping piece, two connecting plates II are mounted on the two-way screw rod II in a threaded manner, positioning columns are fixedly mounted on the two sides of the two connecting plates close to each other, the two sides of the positioning columns close to each other extend into the corresponding annular grooves, the positioning columns are matched with the annular grooves, and the two positioning columns are movably connected with the clamping piece.