Printing type material distributing machine for concrete pouring of prefabricated box culvert
By designing a printing cloth machine including concrete fabric tanks, storage tanks and drive structures, the problem of low efficiency of casting concrete in prefabricated box culverts in the prior art is solved, and uniform injection and efficient casting of concrete are achieved.
Patent Information
- Application Number
- CN202411852514.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-03-21
AI Technical Summary
When pouring concrete with existing prefabricated culverts, it is laborious to pave it manually, resulting in low pouring efficiency.
A printed fabric machine for casting concrete for prefabricated box culverts is designed, including concrete fabric tanks, storage tanks for conveying concrete, transverse and longitudinal driving structures, through which the uniform injection of concrete is achieved layer by layer.
The uniform injection of concrete is achieved, the pouring efficiency is improved, the laboriousness of manual paving is reduced, and the slab bonding is avoided caused by long-term pouring.
Smart Images
Figure CN119658829A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of concrete prefabricated part production, and in particular to a printing type placing machine for pouring concrete for a prefabricated box culvert. Background Art
[0002] In order to increase the production speed of tunnel culverts, the tunnel wall has been changed from a cast-in-place method to a prefabricated box culvert, and then laid. When pouring the existing prefabricated box culvert, the box culvert mold and the outlet for pouring concrete remain relatively unchanged, and the concrete is paved manually. This method has low casting efficiency. Summary of the invention
[0003] The present invention aims to provide a printing type concrete placing machine for pouring concrete for a prefabricated box culvert, which can uniformly inject concrete layer by layer into a prefabricated box culvert mold, thereby solving the problem of laborious manual paving during the existing prefabricated box culvert concrete pouring.
[0004] The above technical problems are solved by the following technical solutions: A printing type concrete placing machine for pouring concrete for prefabricated box culverts, comprising a concrete placing tank with a placing port at the lower end, characterized in that it also comprises a frame, a concrete storage tank removably connected to the frame for conveying concrete to the concrete placing tank, a lateral movement structure for driving the concrete placing tank to move lateraly, and a longitudinal driving structure for driving the concrete placing tank to move longitudinally. When in use, the first step is to place the prefabricated box culvert mold under the two concrete distribution tanks, and the distribution port is aligned with one side of one longitudinal end of the prefabricated box culvert mold; the second step is lateral positive movement: the lateral driving structure drives the concrete distribution tank to move from one lateral side of the prefabricated box culvert mold to the other side; the third step is that the longitudinal driving structure drives the concrete distribution tank to move a set distance toward the other longitudinal end of the concrete distribution tank; the fourth step is lateral reverse movement: the lateral driving structure drives the concrete distribution tank to move from the other lateral side of the prefabricated box culvert mold to one side, and the fourth step is that the longitudinal driving structure drives the concrete distribution tank to move a set distance toward the other longitudinal end of the concrete distribution tank; repeat the second step to the fourth step, until a layer of concrete of a set thickness is poured into the prefabricated box culvert mold; then concrete is poured layer by layer in the prefabricated box culvert mold according to the same method until the pouring of the entire prefabricated box culvert is completed.
[0005] Preferably, the longitudinal moving structure comprises two longitudinal slide rails, two longitudinal moving support frames supported on the two longitudinal slide rails in one-to-one correspondence, and a longitudinal moving power mechanism driving the longitudinal moving support frames to move; the transverse driving structure connects the two longitudinal moving support frames together; the concrete distribution tank is connected to the transverse driving structure; the frame comprises two longitudinal support rails; the concrete storage tank is provided with two hanging blocks; the concrete storage tank is suspended on the two longitudinal support rails through the two hanging blocks; each of the two longitudinal moving support frames is provided with a fork; the two forks are sleeved on the two hanging blocks in one-to-one correspondence; the discharge port of the concrete storage tank is located directly above the receiving port of the concrete distribution tank. A specific technical solution of the longitudinal moving structure is provided, and the longitudinal moving structure can synchronously drive the concrete storage tank to move longitudinally.
[0006] Preferably, during the lateral movement of the concrete distribution tank, the concrete storage tank remains stationary, the discharge port of the concrete storage tank is always located directly above the receiving port of the concrete distribution tank, and the upper end of the concrete distribution tank is completely open to form the receiving port of the concrete distribution tank. When the concrete distribution tank moves lateral, concrete can be input into the concrete distribution tank without the need for the concrete storage tank to move lateral.
[0007] Preferably, the lower end surface of the longitudinal support frame is provided with a slide groove sleeved on the longitudinal slide rail, and both sides of the slide groove in the width direction extend downward to form anti-slip blocks for preventing the slide groove from detaching from the longitudinal slide rail, which can effectively prevent derailment.
[0008] Preferably, a stirrer is provided in the concrete material distributing tank, and the stirrer consists of a stirring shaft and a stirring motor driving the stirring shaft to rotate. A hanging frame is connected in the concrete material distributing tank, and the stirring motor is connected to the hanging frame. The stirring shaft is located below the stirring motor. A driving gear and a plurality of lower horizontal stirring rods coaxial with the stirring shaft are provided on the stirring shaft. The lower horizontal stirring rods are connected to the lower ends of a plurality of lower vertical stirring rods distributed along the extension direction of the lower horizontal stirring rod. An inner gear ring is sleeved on the driving gear, and the inner gear ring is meshed with the driving gear through a plurality of intermediate gears. An annular hanging groove coaxial with the stirring shaft is provided on the hanging frame. The outer gear ring is suspended in the annular hanging groove through a plurality of hanging hooks. A plurality of upper horizontal stirring rods are connected to the inner gear ring. The upper horizontal stirring rods are connected to the upper ends of a plurality of upper vertical stirring rods distributed along the extension direction of the upper horizontal stirring rod. The upper stirring rod and the lower stirring rod overlap in the up-and-down direction, and the upper stirring rod and the lower stirring rod are staggered along the circumferential direction of the stirring shaft. The stirring rod can be rotated by the rotation drive of the stirring shaft, so that the stirring effect is good.
[0009] Preferably, the suspension frame is provided with a conical shielding cover covering the stirring motor, and the inner gear ring is located directly below the conical shielding cover, so as to prevent the stirring motor and the inner gear ring from being damaged during the process of concrete entering the concrete distribution tank.
[0010] Preferably, a suspension ring extending along the circumference of the concrete distribution tank is provided on the outer circumferential surface of the concrete distribution tank, the lateral driving structure includes a suspension sleeve and two lifting frames distributed along the longitudinal direction, the concrete distribution tank is inserted into the suspension sleeve and is suspended on the suspension sleeve through the suspension ring, the lifting frame includes a lower cross bar, an upper cross bar, a hydraulic cylinder, and a first fork rod and a second fork rod hinged together through a middle longitudinal hinge shaft in the middle part, one end of the first fork rod is hinged to the lower cross bar through a lower longitudinal hinge shaft, and the other end is slidably supported on the lower side of the upper cross bar, and one end of the second fork rod is hinged to the lower cross bar through the upper longitudinal hinge shaft. The hinge shaft is hinged to the upper cross bar, and the other end is slidably supported on the upper side of the lower cross bar. The upper longitudinal hinge shaft and the lower longitudinal hinge shaft are located on the same side of the middle longitudinal hinge shaft. The middle longitudinal hinge shaft is connected to the upper end of the connecting arm, and the suspension sleeve is connected to the connecting arm through a connecting rod. One end of the hydraulic cylinder is connected to the longitudinal hinge shaft through a lower oil rod and connected to the connecting arm, and the other end is connected to the longitudinal hinge shaft through an upper oil cylinder and is hinged to the other end of the first fork rod. The lower oil cylinder is connected to the longitudinal hinge shaft and is located below the middle longitudinal hinge shaft. The upper cross bars of the two lifting frames are connected together through an upper longitudinal rod, and the lower cross bars are connected together through a lower longitudinal rod. A specific technical solution for the longitudinal drive structure is provided. It is convenient to maintain stability during the lateral movement.
[0011] Preferably, the material distributing port is provided with an upper vertical discharging pipe section, the vertical discharging pipe section is inserted into the upper end of the telescopic hose of the pleated structure, the lower end of the telescopic hose is sleeved in the lower vertical discharging pipe section, the lower end of the lower vertical discharging pipe section is provided with a discharging valve, the inner surface of the telescopic hose is always located outside the cylinder where the inner circumference of the upper vertical discharging pipe section is located during the telescopic hose expansion and contraction process, the radial ends of the lower vertical discharging pipe section are connected together with the lower end of the same cable, the upper ends of the two telescopic cables are connected together with the same winding wheel, the rotating shaft of the winding wheel extends in the horizontal direction and is rotatably connected to the outside of the concrete distributing tank, and the two winding wheels are connected together with the winding wheel driving structure. During the pouring process, when the thickness of the concrete in the prefabricated box culvert mold increases, the vertical discharging pipe section is pulled up and down by the cable so that the height of the concrete output by the lower vertical discharging pipe section from the concrete in the prefabricated box culvert mold is kept within a set distance range during the entire pouring process, thereby avoiding the impact of different impact forces affecting the consistency of the density of the concrete. The concrete output is smooth.
[0012] Preferably, the discharge valve comprises a door panel hinged on the lower vertical discharge pipe section through a horizontal hinge shaft and a valve motor driving the door panel to rotate around the horizontal hinge shaft, and the door panel seals against the lower end surface of the lower vertical discharge pipe section to close the lower vertical discharge pipe section, thereby maintaining reliable opening and closing.
[0013] Preferably, the winding wheel driving structure comprises a double-headed motor connected to the concrete material distributing tank, two active bevel gears connected to the two power output heads of the double-headed motor, two first intermediate bevel gears meshed with the two active bevel gears one-to-one, two second intermediate bevel gears connected with the two first intermediate gears one-to-one through two transmission shafts, and two driven bevel gears meshed with the two second intermediate bevel gears one-to-one, and the two driven bevel gears are coaxially fixed on the wheel axles of the two winding wheels one-to-one. Structural inspection, small number of power components.
[0014] The present invention has the following advantages: it can perform 3D printing-style concrete injection, the injected concrete is uniform, and labor is saved during production; the distribution pipe can fully perform secondary mixing on the concrete, and can prevent hardening caused by long-term pouring. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a cross-sectional schematic diagram of the present invention; Figure 2 for Figure 1 A local enlarged schematic diagram of point A; Figure 3 for Figure 1 A local enlarged schematic diagram of point B; Figure 4 for Figure 1 A local enlarged schematic diagram of point C; Figure 5 for Figure 3 D-D cross-sectional schematic diagram; Figure 6 For the mixer follow Figure 1 A schematic diagram of a cross-section in the E-E direction; Figure 7 is a schematic diagram of a lifting frame; Figure 8 for Figure 7 A local enlarged schematic diagram of F; Fig. 9 for Figure 7 A local enlarged schematic diagram of G; Fig.10 for Figure 7 A local enlarged schematic diagram of point H.
[0016] In the figure: material distribution port 1, concrete material distribution tank 2, concrete storage tank 3, longitudinal slide rail 4, longitudinal support frame 5, longitudinal support rail 6, suspension block 7, shift fork 8, material receiving port 9 of concrete material distribution tank, material discharge port 10 of concrete storage tank, slide 11, anti-slip block 12, stirring shaft 13, stirring motor 14, suspension frame 15, driving gear 16, lower horizontal stirring rod 17, lower vertical stirring rod 18, inner gear ring 19, intermediate gear 20, annular suspension groove 21, suspension hook 22, upper horizontal stirring rod 23, upper vertical stirring rod 24, conical shielding cover 25, suspension ring 26, suspension sleeve 27, lower horizontal rod 28, connecting rod 29, lower oil rod connected to longitudinal hinge shaft 30, upper oil cylinder connected to longitudinal hinge shaft 31, upper longitudinal rod 32, lower longitudinal rod 33, upper vertical discharge pipe section 34, telescopic hose 35, lower vertical discharge pipe section 36, discharge valve 37, cable 38, winding wheel 39, rotating shaft 40 of winding wheel, horizontal hinge shaft 41, door panel 42, double-headed motor 43, active bevel gear 44, first intermediate bevel gear 45, transmission shaft 46, second intermediate bevel gear 47, driven bevel gear 48, upper cross rod 49, hydraulic cylinder 50, middle longitudinal hinge shaft 51, first fork rod 52, second fork rod 53, lower longitudinal hinge shaft 54, upper roller 55, upper longitudinal hinge shaft 56, lower roller 57, connecting arm 58, supporting step 59, spherical supporting protrusion 60, prefabricated box culvert mold 61. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0018] See also Figures 1 to 10 A printing type concrete placing machine for pouring concrete for a prefabricated box culvert comprises a concrete placing tank 2 with a placing port 1 at the lower end, a frame, a concrete storage tank 3 removably connected to the frame for conveying concrete to the concrete placing tank, a lateral moving structure for driving the concrete placing tank to move lateraly, and a longitudinal driving structure for driving the concrete placing tank to move longitudinally.
[0019] When in use, the first step is to place the prefabricated box culvert mold 61 under the two concrete distribution tanks, and the distribution port is aligned with one side of one longitudinal end of the prefabricated box culvert mold; the second step is lateral positive movement: the lateral driving structure drives the concrete distribution tank to move from one lateral side of the prefabricated box culvert mold to the other side; the third step is that the longitudinal driving structure drives the concrete distribution tank to move a set distance toward the other longitudinal end of the concrete distribution tank; the fourth step is lateral reverse movement: the lateral driving structure drives the concrete distribution tank to move from the other lateral side of the prefabricated box culvert mold to one side, and the fourth step is that the longitudinal driving structure drives the concrete distribution tank to move a set distance toward the other longitudinal end of the concrete distribution tank; repeat the second step to the fourth step until a layer of concrete of a set thickness is poured into the prefabricated box culvert mold; then concrete is poured layer by layer in the prefabricated box culvert mold in the same way until the pouring of the entire prefabricated box culvert is completed.
[0020] The longitudinal moving structure includes two longitudinal slide rails 4, two longitudinal moving support frames 5 supported on the two longitudinal slide rails in a one-to-one correspondence, and a longitudinal moving power mechanism for driving the longitudinal moving support frames to move. The transverse driving structure connects the two longitudinal moving support frames together. The concrete distribution tank is connected to the transverse driving structure. The frame includes two longitudinal support rails 6, and the concrete storage tank is provided with two hanging blocks 7. The concrete storage tank is suspended on the two longitudinal support rails through the two hanging blocks. A shift fork 8 is provided on each of the two longitudinal moving support frames, and the two shift forks are sleeved on the two hanging blocks in a one-to-one correspondence. The upper end of the concrete distribution tank is completely open to form a material receiving port 9 of the concrete distribution tank. During the transverse movement of the concrete distribution tank, the concrete storage tank remains stationary, and the discharge port 10 of the concrete storage tank is always located directly above the material receiving port of the concrete distribution tank. The lower end surface of the longitudinal moving support frame is provided with a slide groove 11 sleeved on the longitudinal slide rail, and both sides of the slide groove in the width direction extend downward to form a stop block 12 to prevent the slide groove from detaching from the longitudinal slide rail. A stirrer is provided in the concrete distribution tank. The agitator is composed of a stirring shaft 13 and a stirring motor 14 for driving the stirring shaft to rotate, and a hanging frame 15 is connected in the concrete distributing tank. The stirring motor is connected to the hanging frame, and the stirring shaft is located below the stirring motor. The stirring shaft is provided with a driving gear 16 and a plurality of lower horizontal stirring rods 17 coaxial with the stirring shaft, and the lower horizontal stirring rods are connected to the lower ends of a plurality of lower vertical stirring rods 18 distributed along the extension direction of the lower horizontal stirring rods, and an inner gear ring 19 is sleeved on the driving gear, and the inner gear ring is meshed with the driving gear through a plurality of intermediate gears 20, and an annular hanging groove 21 coaxial with the stirring shaft is provided on the hanging frame, and the outer gear ring is suspended in the annular hanging groove through a plurality of hanging hooks 22. A plurality of upper horizontal stirring rods 23 are connected to the inner gear ring, and the upper horizontal stirring rods are connected to the upper ends of a plurality of upper vertical stirring rods 24 distributed along the extension direction of the upper horizontal stirring rods, and the upper stirring rods and the lower stirring rods overlap in the vertical direction, and the upper stirring rods and the lower stirring rods are staggered along the circumference of the stirring shaft, so that the upper and lower vertical stirring shafts move in opposite directions to cut each other during stirring. The suspension frame is provided with a conical shielding cover 25 covering the mixing motor, and the inner gear ring is located directly below the conical shielding cover. This can prevent the mixing motor and the inner gear ring from being damaged during the process of concrete entering the concrete distribution tank. A supporting step 59 is provided on the mixing shaft. A spherical supporting protrusion 60 is provided on the lower end surface of the intermediate gear. The spherical supporting protrusion is supported on the supporting step to prevent the intermediate gear from falling off. A suspension ring 26 extending along the circumference of the concrete distribution tank is provided on the outer circumference of the concrete distribution tank. The transverse driving structure includes a suspension sleeve 27 and two lifting frames distributed in the longitudinal direction. The concrete distribution tank is inserted into the suspension sleeve and suspended on the suspension sleeve through the suspension ring. The lifting frame includes a lower cross bar 28, an upper cross bar 49, a hydraulic cylinder 50, and a first fork rod 52 and a second fork rod 53 hinged together in the middle through a middle longitudinal hinge shaft 51. One end of the first fork rod is hinged to the lower cross bar through a lower longitudinal hinge shaft 54, and the other end is supported on the lower side of the upper cross bar through an upper roller 55. One end of the second fork rod is hinged to the upper cross rod through the upper longitudinal hinge shaft 56, and the other end is supported on the upper side of the lower cross rod through the lower roller 57. The upper longitudinal hinge shaft and the lower longitudinal hinge shaft are located on the same side of the middle longitudinal hinge shaft. The middle longitudinal hinge shaft is connected to the upper end of the connecting arm 58, and the suspension sleeve is connected to the connecting arm through the connecting rod 29. One end of the hydraulic cylinder is connected to the connecting arm through the lower oil rod and the longitudinal hinge shaft 30, and the other end is hinged to the other end of the first fork rod through the upper oil cylinder and the longitudinal hinge shaft 31. The lower oil cylinder is connected to the longitudinal hinge shaft and is located below the middle longitudinal hinge shaft. The upper cross rods of the two lifting frames are connected together through the upper longitudinal rod 32, and the lower cross rods are connected together through the lower longitudinal rod 33. The material distributing port is provided with an upper vertical discharging pipe section 34, which is inserted into the upper end of the telescopic hose 35 of the pleated structure, and the lower end of the telescopic hose is sleeved in the lower vertical discharging pipe section 36. The lower end of the lower vertical discharging pipe section is provided with a discharging valve 37. During the process of telescopic hose expansion and contraction, the inner surface of the telescopic hose is always located outside the cylinder where the inner circumference of the upper vertical discharging pipe section is located. The radial ends of the lower vertical discharging pipe section are connected together with the lower end of a cable 38, and the upper ends of the two telescopic cables are connected together with a winding wheel 39. The rotating shaft 40 of the winding wheel extends in the horizontal direction and is rotatably connected to the outside of the concrete distributing tank. The two winding wheels are connected to the winding wheel driving structure. The discharging valve includes a door plate 42 hinged on the lower vertical discharging pipe section through a horizontal hinge shaft 41 and a valve motor that drives the door plate to rotate with the horizontal hinge shaft as the axis. The valve plate seals against the lower end surface of the lower vertical discharging pipe section to realize the closing of the lower vertical discharging pipe section. The winding wheel driving structure includes a double-headed motor 43 connected to the outside of the concrete distribution tank, two active bevel gears 44 connected to the two power output heads of the double-headed motor, two first intermediate bevel gears 45 meshed with the two active bevel gears one-to-one, two second intermediate bevel gears 47 connected to the two first intermediate gears one-to-one through two transmission shafts 46, and two driven bevel gears 48 meshed with the two second intermediate bevel gears one-to-one. The two driven bevel gears are coaxially fixed on the wheel axles of the two winding wheels one-to-one.
[0021] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A printing type concrete placing machine for pouring concrete for prefabricated box culverts, comprising a concrete placing tank with a placing port at the lower end, characterized in that: It also includes a frame, a concrete storage tank removably connected to the frame for conveying concrete to the concrete distribution tank, a lateral movement structure for driving the concrete distribution tank to move lateraly, and a longitudinal drive structure for driving the concrete distribution tank to move longitudinally. When in use, the first step is to place the prefabricated box culvert mold under the two concrete distribution tanks, with the distribution port aligned with one side of one longitudinal end of the prefabricated box culvert mold; The second step, lateral positive movement: the lateral driving structure drives the concrete distribution tank to move from one lateral side of the prefabricated box culvert mold to the other side; the third step, the longitudinal driving structure drives the concrete distribution tank to move a set distance toward the other longitudinal end of the concrete distribution tank; the fourth step, lateral reverse movement: the lateral driving structure drives the concrete distribution tank to move from the other lateral side of the prefabricated box culvert mold to one side, and the fourth step, the longitudinal driving structure drives the concrete distribution tank to move a set distance toward the other longitudinal end of the concrete distribution tank; repeat steps 2 to 4 to pour a layer of concrete of a set thickness into the prefabricated box culvert mold; then pour concrete layer by layer in the prefabricated box culvert mold in the same way until the pouring of the entire prefabricated box culvert is completed.
2. A printing type concrete placing machine for pouring concrete for prefabricated box culvert according to claim 1, characterized in that: The longitudinal movement structure includes two longitudinal slide rails, two longitudinal movement support frames supported on the two longitudinal slide rails in a one-to-one manner, and a longitudinal movement power mechanism that drives the longitudinal movement support frames to move. The transverse driving structure connects the two longitudinal movement support frames together. The concrete distribution tank is connected to the transverse driving structure. The frame includes two longitudinal support rails. The concrete storage tank is provided with two hanging blocks. The concrete storage tank is suspended on the two longitudinal support rails through the two hanging blocks. A shift fork is respectively provided on the two longitudinal movement support frames. The two shift forks are mounted on the two hanging blocks in a one-to-one manner. The discharge port of the concrete storage tank is located directly above the receiving port of the concrete distribution tank.
3. A printing type concrete placing machine for pouring concrete for prefabricated box culvert according to claim 2, characterized in that: During the lateral movement of the concrete distribution tank, the concrete storage tank remains stationary, the discharge port of the concrete storage tank is always located directly above the receiving port of the concrete distribution tank, and the upper end of the concrete distribution tank is completely open to form the receiving port of the concrete distribution tank.
4. A printing type concrete placing machine for pouring concrete for prefabricated box culvert according to claim 2 or 3, characterized in that: The lower end surface of the longitudinal support frame is provided with a slide groove which is sleeved on the longitudinal slide rail, and both sides of the slide groove in the width direction extend downward to form a stop block for preventing the slide groove from detaching from the longitudinal slide rail.
5. A printing type concrete placing machine for pouring concrete for prefabricated box culvert according to claim 1, 2 or 3, characterized in that: The concrete material distributing tank is provided with a stirrer, and the stirrer consists of a stirring shaft and a stirring motor driving the stirring shaft to rotate. The concrete material distributing tank is connected with a hanging frame, and the stirring motor is connected to the hanging frame. The stirring shaft is located below the stirring motor. The stirring shaft is provided with a driving gear coaxial with the stirring shaft and a plurality of lower horizontal stirring rods, and the lower horizontal stirring rods are connected with the lower ends of a plurality of lower vertical stirring rods distributed along the extension direction of the lower horizontal stirring rod. An inner gear ring is sleeved on the driving gear, and the inner gear ring is meshed with the driving gear through a plurality of intermediate gears. An annular hanging groove coaxial with the stirring shaft is provided on the hanging frame, and the outer gear ring is suspended in the annular hanging groove through a plurality of hanging hooks. A plurality of upper horizontal stirring rods are connected to the inner gear ring, and the upper horizontal stirring rods are connected with the upper ends of a plurality of upper vertical stirring rods distributed along the extension direction of the upper horizontal stirring rod. The upper stirring rod and the lower stirring rod overlap in the up-and-down direction, and the upper stirring rod and the lower stirring rod are staggered along the circumferential direction of the stirring shaft.
6. A printing type concrete placing machine for pouring concrete for prefabricated box culvert according to claim 5, characterized in that: The hanging frame is provided with a conical shielding cover which covers the stirring motor, and the inner gear ring is located directly below the conical shielding cover.
7. A printing type concrete placing machine for pouring concrete for prefabricated box culvert according to claim 1, 2 or 3, characterized in that: A suspension ring extending along the circumference of the concrete distribution tank is provided on the outer circumferential surface of the concrete distribution tank, the lateral driving structure includes a suspension sleeve and two lifting frames distributed along the longitudinal direction, the concrete distribution tank is inserted into the suspension sleeve and is suspended on the suspension sleeve through the suspension ring, the lifting frame includes a lower cross bar, an upper cross bar, a hydraulic cylinder, and a first fork rod and a second fork rod hinged together through a middle longitudinal hinge shaft in the middle part, one end of the first fork rod is hinged to the lower cross bar through a lower longitudinal hinge shaft, and the other end is slidably supported on the lower side of the upper cross bar, and one end of the second fork rod is hinged to the lower cross bar through an upper longitudinal hinge shaft. The upper cross bar is hinged together, and the other end is slidably supported on the upper side of the lower cross bar. The upper longitudinal hinge shaft and the lower longitudinal hinge shaft are located on the same side of the middle longitudinal hinge shaft. The middle longitudinal hinge shaft is connected to the upper end of the connecting arm, and the suspension sleeve is connected to the connecting arm through a connecting rod. One end of the hydraulic cylinder is connected to the longitudinal hinge shaft and connected to the connecting arm through a lower oil rod, and the other end is connected to the longitudinal hinge shaft and is hinged to the other end of the first fork rod through an upper oil cylinder. The lower oil cylinder is connected to the longitudinal hinge shaft and is located below the middle longitudinal hinge shaft. The upper cross bars of the two lifting frames are connected together through an upper longitudinal rod, and the lower cross bars are connected together through a lower longitudinal rod.
8. A printing type concrete placing machine for pouring concrete for prefabricated box culvert according to claim 7, characterized in that: The material distributing port is provided with an upper vertical discharging pipe section, and the vertical discharging pipe section is inserted into the upper end of the telescopic hose of the pleated structure, and the lower end of the telescopic hose is sleeved in the lower vertical discharging pipe section, and the lower end of the lower vertical discharging pipe section is provided with a discharging valve. During the extension and retraction of the telescopic hose, the inner surface of the telescopic hose is always located outside the cylinder where the inner circumferential surface of the upper vertical discharging pipe section is located, and the radial ends of the lower vertical discharging pipe section are respectively connected with the lower end of a cable, and the upper ends of the two telescopic cables are respectively connected with a winding wheel, and the rotating shaft of the winding wheel extends in the horizontal direction and is rotatably connected to the outside of the concrete distributing tank, and the two winding wheels are connected with the winding wheel driving structure.
9. A printing type concrete placing machine for pouring concrete for prefabricated box culvert according to claim 8, characterized in that: The discharge valve includes a door plate hinged on the lower vertical discharge pipe section through a horizontal hinge shaft and a valve motor that drives the door plate to rotate around the horizontal hinge shaft. The door plate seals against the lower end surface of the lower vertical discharge pipe section to close the lower vertical discharge pipe section.
10. A printing type concrete placing machine for pouring concrete for prefabricated box culvert according to claim 8, characterized in that: The winding wheel driving structure includes a double-headed motor connected to the outside of the concrete distribution tank, two active bevel gears connected to the two power output heads of the double-headed motor, two first intermediate bevel gears meshed with the two active bevel gears one-to-one, two second intermediate bevel gears connected to the two first intermediate gears one-to-one through two transmission shafts, and two driven bevel gears meshed with the two second intermediate bevel gears one-to-one, and the two driven bevel gears are coaxially fixed on the wheel axles of the two winding wheels one-to-one.