CN215859062U - Building foundation cement column watering device convenient to dismantle - Google Patents

Abstract

The utility model discloses a building base cement column irrigation device convenient to disassemble, which comprises a bottom plate, wherein two ends of the top surface of the bottom plate are fixedly connected with fixing plates. When the mold is disassembled, an operator firstly beats the two opposite side walls of the half square groove, the inner walls of the two opposite side walls of the half square groove and the cement column are vibrated to be opened, then the second threaded rod is rotated through the operation of the motor, and the first moving plate, the second moving plate and the third lug synchronously move back and forth.

Description

Building foundation cement column watering device convenient to dismantle

Technical Field

The utility model relates to the technical field of construction of building cement columns, in particular to a building foundation cement column irrigation device convenient to disassemble.

Background

In building construction, a round column or a square column is usually adopted as a supporting piece, the processing of the supporting piece of the square column is carried out, at present, the most of the supporting pieces are manufactured by adopting finished steel moulds, the steel moulds are manufactured by selecting factories according to the size of a cement column, and then the cement column is poured and processed to form the cement column which is transported to a construction site for reinforcement construction; among the prior art, need solidify after the cement post watering and dry, then take its mould away again, but when the mould breaks away from the cement post, because the inboard and cement post adhesion of mould is comparatively difficult, if take it down by force, make its cement post damage very easily, and then seriously increase work load for work efficiency seriously reduces.

SUMMERY OF THE UTILITY MODEL

In order to solve the existing problems, the utility model provides a building base cement column irrigation device which is convenient to disassemble.

The utility model is realized by the following technical scheme:

a convenient-to-dismount building base cement column irrigation device comprises a bottom plate, wherein fixing plates are fixedly connected to two ends of the top surface of the bottom plate, a first threaded rod is arranged between the two fixing plates, two ends of the first threaded rod respectively penetrate through the two fixing plates and are in fit rotary connection with the fixing plates, two ends of the first threaded rod are sleeved with retaining rings and are fixedly connected with the retaining rings, the two retaining rings are respectively in fit connection with the two fixing plates, a motor is fixedly connected to one side of the top surface of the bottom plate, the output end of the motor is fixedly connected with one end of the first threaded rod, the other end of the first threaded rod is fixedly connected with a first gear, a dividing block is fixedly connected to the middle of the first threaded rod, the thread directions of the first threaded rods on two sides of the dividing block are opposite, first thread blocks are sleeved on the first threaded rods on two sides of the dividing block, and are in threaded connection with the first threaded rods, the bottom surface of the first thread block is jointed and connected with the top surface of the bottom plate, the top surface of the bottom plate is symmetrically provided with two first T-shaped chutes which are respectively arranged at two sides of the first threaded rod, each first T-shaped chute is internally provided with two first T-shaped sliding blocks which are jointed and connected with the first T-shaped sliding blocks in a sliding way, the top surface of each first T-shaped sliding block extends out of the first T-shaped chute and is fixedly connected with a fixed rod, the bottom surface of the fixed rod is jointed and connected with the top surface of the bottom plate in a sliding way, the first T-shaped sliding blocks in the two first T-shaped chutes are correspondingly arranged one by one, the two corresponding first T-shaped sliding blocks are in a group, the top surfaces of the two fixed rods above the two first T-shaped sliding blocks in the same group are fixedly connected with the same semi-square groove, the two semi-square grooves are jointed and connected with each other to form an integral square groove, and U-shaped through holes are arranged in the side walls of the two semi-square grooves, a second T-shaped sliding groove is arranged on the bottom surface of the half square groove below each U-shaped through hole, a guide rod is arranged in each second T-shaped sliding groove, two ends of each guide rod are fixedly connected with the inner side wall of each second T-shaped sliding groove, a second T-shaped sliding block is arranged in each second T-shaped sliding groove and is in fit sliding connection with the second T-shaped sliding groove, the bottom surfaces of the two second T-shaped sliding blocks extend out of the second T-shaped sliding grooves and are respectively fixedly connected with the top surfaces of the two first threaded blocks, a second spring is fixedly connected between one side of each second T-shaped sliding block and the inner side wall of each second T-shaped sliding groove and sleeved on the guide rod, an L-shaped plate is fixedly connected to one side of one half square groove, a second threaded rod is rotatably connected onto the vertical plate of the L-shaped plate, two retaining rings are respectively in fit connection with two sides of the vertical plate of the L-shaped plate, and are sleeved on the second threaded rod and are fixedly connected with the two retaining rings, one end of the second threaded rod is fixedly connected with a second gear, the second gear is meshed with the first gear and is arranged in the U-shaped through hole, a second threaded block is sleeved on the second threaded rod and is in threaded connection with the second threaded block, the bottom surface of the second threaded block is in fit sliding connection with the inner bottom surface of the U-shaped through hole, the top surface of the second threaded block is in fit connection with two U-shaped sliding plates which are symmetrically arranged, a cavity is arranged on one side of the fit of the two U-shaped sliding plates, a U-shaped sealing strip is arranged in the cavity, the top surface of the U-shaped sealing strip is flush with the top surface of the U-shaped sliding plate, connecting grooves are arranged on two sides of the second threaded block, connecting plates are arranged in the connecting grooves, the connecting plates are fixedly connected with the second threaded block through fixing bolts, and the top surfaces of the two connecting plates are respectively fixedly connected with the bottom surfaces of the two U-shaped sliding plates, two U-shaped sliding plates are fixedly connected with transverse plates on the back sides, first sliding rods are slidably connected to the two sides of each transverse plate in a laminating manner, a stop block is fixedly connected to the bottom surface of each first sliding rod, a third lug is fixedly connected to the bottom surface of each stop block, a first spring is fixedly connected between the top surface of each stop block and the bottom surface of the transverse plate, each first spring is sleeved on different first sliding rods, the top surfaces of the two first sliding rods above the transverse plates are fixedly connected with the same first moving plate, the top surface of the first moving plate is fixedly connected with a plurality of first lugs, two second sliding rods are fixedly connected to the two side walls of each first moving plate, the two second sliding rods on the same side are sleeved with the same second moving plate, a plurality of second lugs are fixedly connected to one side of the second moving plate, and a fixing ring is fixedly connected to each second sliding rod, every second slide bar all overlaps and has a third spring, the both ends of third spring respectively with first movable plate and second movable plate fixed connection, one side fixedly connected with second tooth piece of second movable plate, equal fixedly connected with first tooth piece on the both sides of U type through-hole, equal fixedly connected with rack on the bottom surface in the U type through-hole of second thread piece both sides, the rack sets up under the third lug.

Preferably, the motor is electrically connected with an external power supply.

Preferably, the diameter of the first gear is greater than the diameter of the second gear by 5 cm to 10 cm.

Preferably, the length of the rack and the first tooth block is the same as that of the U-shaped through hole in the semi-square groove.

Compared with the prior art, the utility model has the beneficial effects that: when the mold needs to be disassembled after the cement column is poured, a worker firstly beats the two opposite side walls of the half square groove to vibrate the inner walls of the two opposite side walls of the half square groove and the bonding part of the cement column, then the first threaded rod, the first gear and the second gear are arranged through the operation of a motor to enable the second threaded rod to rotate, further enable the second threaded block to drive the U-shaped sliding plate, the U-shaped sealing strip, the transverse plate, the first moving plate, the second moving plate and the third lug to synchronously move back and forth, at the moment, under the arrangement of the first spring and the rack, the first moving plate is enabled to move up and down, the first lug beats the bonding part of the half square groove and the bottom surface of the cement column, meanwhile, under the arrangement of the third spring, the second sliding rod, the second tooth block and the first tooth block, the second moving plate drives the second lug to move towards the half square groove, and beats the other bonding parts of the half square groove and the cement column, can effectually paste the whole vibrations of department with half square groove inboard and cement column like this and open, meanwhile, under the cooperation of first threaded rod, first thread piece and second spring sets up for two half square grooves are kept away from each other, make things convenient for the staff to move away its cement column, set up like this and can effectual protection cement column surface damage, avoid not having the direct external force of using of buffering to separate it, make half square groove inboard and cement column paste the department and damage, lead to watering the cement column again and increase work load.

Drawings

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

FIG. 2 is a side view of the structure of the present invention;

in the figure: the device comprises a bottom plate 1, a motor 2, a baffle ring 3, a fixed plate 4, a first threaded rod 5, a first spring 6, a first sliding rod 7, a transverse plate 8, a first moving plate 9, a first lug 10, a second lug 11, a second moving plate 12, a half square groove 13, a first T-shaped sliding groove 14, a first T-shaped sliding block 15, a first threaded block 16, a dividing block 17, a fixed rod 18, a second spring 19, a second T-shaped sliding block 20, a guide rod 21, a second T-shaped sliding groove 22, a first gear 23, a second threaded rod 24, an L-shaped plate 25, a second gear 26, a baffle ring 27, a rack 28, a U-shaped sliding plate 29, a U-shaped sealing strip 30, a second threaded block 31, a connecting plate 32, a fixed bolt 33, a third lug 34, a baffle block 35, a fixed ring 36, a third spring 37, a second sliding rod 38, a connecting groove 39, a first toothed block 40, a second toothed block 41 and a U-shaped through hole 42.

Detailed Description

The utility model is described in further detail below with reference to the following detailed description and accompanying drawings:

as shown in fig. 1 and 2, a convenient-to-detach building base cement column irrigation device comprises a bottom plate 1, wherein fixed plates 4 are fixedly connected to both ends of the top surface of the bottom plate 1, a first threaded rod 5 is arranged between the two fixed plates 4, both ends of the first threaded rod 5 respectively penetrate through the two fixed plates 4 and are in fit rotary connection with the fixed plates, both ends of the first threaded rod 5 are respectively sleeved with and fixedly connected with a baffle ring 3, the two baffle rings 3 are respectively in fit connection with the two fixed plates 4, one side of the top surface of the bottom plate 1 is fixedly connected with a motor 2, an output end of the motor 2 is fixedly connected with one end of the first threaded rod 5, the other end of the first threaded rod 5 is fixedly connected with a first gear 23, a dividing block 17 is fixedly connected to the middle part of the first threaded rod 5, and the thread directions of the first threaded rods 5 on both sides of the dividing block 17 are opposite, the first threaded rods 5 on two sides of the dividing block 17 are sleeved with first threaded blocks 16, the first threaded blocks 16 are in threaded connection with the first threaded rods 5, the bottom surfaces of the first threaded blocks 16 are in fit connection with the top surface of the bottom plate 1, the top surface of the bottom plate 1 is symmetrically provided with two first T-shaped sliding grooves 14, the two first T-shaped sliding grooves 14 are respectively arranged on two sides of the first threaded rods 5, each first T-shaped sliding groove 14 is internally provided with two first T-shaped sliding blocks 15 and is in fit sliding connection with the first T-shaped sliding grooves, the top surface of each first T-shaped sliding block 15 extends out of the first T-shaped sliding groove 14 and is fixedly connected with a fixed rod 18, the bottom surfaces of the fixed rods 18 are in fit sliding connection with the top surface of the bottom plate 1, the first T-shaped sliding blocks 15 in the two first T-shaped sliding grooves 14 are arranged in a one-to-one correspondence, the two corresponding first T-shaped sliding blocks 15 form a group, and the top surfaces of the two fixed rods 18 above the two first T-shaped sliding blocks 15 in the same group are fixedly connected with a same half square groove 13, the two half square grooves 13 are oppositely jointed and connected to form an integral square groove, U-shaped through holes 42 are arranged in the side walls of the two half square grooves 13, a second T-shaped sliding groove 22 is arranged on the bottom surface of the half square groove 13 below each U-shaped through hole 42, a guide rod 21 is arranged in each second T-shaped sliding groove 22, two ends of each guide rod 21 are fixedly connected with the inner side wall of each second T-shaped sliding groove 22, each second T-shaped sliding groove 22 is internally provided with a second T-shaped sliding block 20 and is jointed and slidably connected with the second T-shaped sliding block, the bottom surfaces of the two second T-shaped sliding blocks 20 extend out of the second T-shaped sliding grooves 22 and are respectively fixedly connected with the top surfaces of the two first thread blocks 16, a second spring 19 is fixedly connected between one side of each second T-shaped sliding block 20 and the inner side wall of each second T-shaped sliding groove 22, the second spring 19 is sleeved on the guide rod 21, one side of one half square groove 13 is fixedly connected with an L-shaped plate 25, the rotary connection has second threaded rod 24 on the riser of L template 25, the riser both sides of L template 25 are all laminated and are connected with retaining ring 27, two retaining rings 27 cover on second threaded rod 24 and rather than fixed connection, the one end fixedly connected with second gear 26 of second threaded rod 24, second gear 26 is connected with first gear 23 meshing, second threaded rod 24 sets up in U type through-hole 42, cover on second threaded rod 24 have second screw block 31 and rather than threaded connection, the bottom surface of second screw block 31 and the interior bottom surface laminating sliding connection of U type through-hole 42, the top surface laminating of second screw block 31 is connected with two U type slides 29, two U type slides 29 symmetry set up, two U type slides 29 laminating one side are equipped with the cavity to be equipped with U type sealing strip 30 in its cavity, the top surface of U type sealing strip 30 is the same level with the top surface of U type slide 29, connecting grooves 39 are respectively arranged on two sides of the second threaded block 31, connecting plates 32 are arranged in the connecting grooves 39, the connecting plates 32 are fixedly connected with the second threaded block 31 through fixing bolts 33, the top surfaces of the two connecting plates 32 are respectively fixedly connected with the bottom surfaces of the two U-shaped sliding plates 29, transverse plates 8 are respectively fixedly connected with the back sides of the two U-shaped sliding plates 29, the two sides of each transverse plate 8 are respectively jointed with first sliding rods 7 in a sliding manner, the bottom surface of each first sliding rod 7 is respectively and fixedly connected with a stop block 35, the bottom surface of each stop block 35 is respectively and fixedly connected with a third lug 34, a first spring 6 is respectively and fixedly connected between the top surface of each stop block 35 and the bottom surface of the transverse plate 8, each first spring 6 is respectively sleeved on different first sliding rods 7, the top surfaces of the two first sliding rods 7 above the transverse plates 8 are fixedly connected with the same first moving plate 9, and the top surface of the first moving plate 9 is fixedly connected with a plurality of first lugs 10, two second sliding rods 38 are fixedly connected to two side walls of each first moving plate 9, the same second moving plate 12 is sleeved on the two second sliding rods 38 on the same side, a plurality of second convex blocks 11 are fixedly connected to one side of the second moving plate 12, a fixing ring 36 is fixedly connected to each second sliding rod 38, a third spring 37 is sleeved on each second sliding rod 38, two ends of the third spring 37 are fixedly connected with the first moving plate 9 and the second moving plate 12 respectively, a second toothed block 41 is fixedly connected to one side of the second moving plate 12, first toothed blocks 40 are fixedly connected to two sides of each U-shaped through hole 42, racks 28 are fixedly connected to inner bottom surfaces of the U-shaped through holes 42 on two sides of each second threaded block 31, and the racks 28 are arranged under the third convex blocks 34.

The motor 2 is electrically connected with an external power supply.

The diameter of the first gear 23 is larger than the diameter of the second gear 26 by 5 cm-10 cm.

The length of the rack 28 and the first tooth block 40 is the same as that of the U-shaped through hole 42 on the half square groove 13.

The working principle is as follows: when the utility model is used, firstly, mixed cement is poured into a square groove formed by two half square grooves 13 in a state shown in figure 1, the contact part of the two half square grooves 13 can effectively play a sealing role through a U-shaped sealing strip 30 at the moment, the phenomenon of liquid leakage during pouring is avoided, after the cement column is dried for a period of time, the cement column is in a sticky state with the inner side wall of the half square groove 13, if the two half square grooves 13 are separated from the cement column directly by external force, the surface of the cement column is easy to damage, the workload is increased when the cement column is poured again, therefore, when a mould is disassembled, a worker firstly beats the two opposite side walls of the half square grooves 13, and the side walls are the side walls without U-shaped through holes 42, thus beating can effectively vibrate the sticking parts of the two opposite side walls of the half square grooves 13 and the cement column, and then starts the motor 2 to rotate discontinuously, so that the output end drives the first threaded rod 5 to synchronously rotate in the forward and reverse directions, the first gear 23 is meshed with the second gear 26 to rotate, the second gear 26 drives the second threaded rod 24 to synchronously rotate in the forward and reverse directions, the second threaded block 31 in threaded connection on the second threaded rod 24 is attached to the inner bottom surface of the U-shaped through hole 42 to slide back and forth in the rotating process of the second threaded rod 24, the second threaded block 31 drives the U-shaped sliding plate 29, the U-shaped sealing strip 30, the transverse plate 8, the first moving plate 9, the first bump 10, the second bump 11, the second moving plate 12 and the third bump 34 to synchronously move back and forth, in the moving process of the third bump 34, the third bump is always attached to the rack 28 under the arrangement of the first spring 6 and the first slide bar 7, and the third bump 34 drives the first moving plate 9 to move up and down through the first slide bar 7, thus, in the process that the first moving plate 9 moves up and down, the first moving plate 9 drives the first lug 10 to move up and down repeatedly, the part adhered to the bottom surface of the cement column and adhered to the semi-square groove 13 is knocked, meanwhile, the first moving plate 9 drives the second moving plate 12 to move up and down synchronously, at the moment, under the arrangement of the third spring 37 and the second slide bar 38, the second moving plate 12 drives the second tooth block 41 to be always attached to the first tooth block 40 to move up and down, further, the second moving plate 12 drives the second lug 11 to move towards the direction of the semi-square groove 13, and the part adhered to the other two side walls of the semi-square groove 13 and the cement column is knocked, so that the adhered part of the inner side of the semi-square groove 13 and the cement column can be completely vibrated to be opened, and simultaneously, the two first thread blocks 16 are close to each other or far away from each other in the positive and negative rotation process of the first thread rod 5 after the whole vibration is opened, and then make second T type slider 20 make a round trip to slide in second T type spout 22, and then under the setting of second spring 19 for two half square grooves 13 keep away from each other, make things convenient for the staff to carry away its cement column, set up like this and can effectually protect the cement column surface damage, avoid not having the buffering and directly with external force with its separation the word, make half square groove 13 inboard and cement column paste the department damage, lead to watering the cement column again, increase work load.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (4)

1. The utility model provides a building basement cement post watering device convenient to dismantle, includes bottom plate (1), its characterized in that: the two ends of the top surface of the bottom plate (1) are fixedly connected with fixing plates (4), a first threaded rod (5) is arranged between the two fixing plates (4), the two ends of the first threaded rod (5) penetrate through the two fixing plates (4) respectively and are in fit rotary connection with the fixing plates, the two ends of the first threaded rod (5) are sleeved with baffle rings (3) and are fixedly connected with the baffle rings, the two baffle rings (3) are in fit connection with the two fixing plates (4) respectively, one side of the top surface of the bottom plate (1) is fixedly connected with a motor (2), the output end of the motor (2) is fixedly connected with one end of the first threaded rod (5), the other end of the first threaded rod (5) is fixedly connected with a first gear (23), the middle part of the first threaded rod (5) is fixedly connected with a partition block (17), and the thread directions of the first threaded rods (5) on the two sides of the partition block (17) are arranged oppositely, the cutting block (17) is characterized in that first threaded rods (5) on two sides of the cutting block (17) are sleeved with first threaded blocks (16), the first threaded blocks (16) are in threaded connection with the first threaded rods (5), the bottom surfaces of the first threaded blocks (16) are in fit connection with the top surface of the bottom plate (1), the top surface of the bottom plate (1) is symmetrically provided with two first T-shaped sliding grooves (14), the two first T-shaped sliding grooves (14) are respectively arranged on two sides of the first threaded rods (5), two first T-shaped sliding blocks (15) are arranged in each first T-shaped sliding groove (14) and are in fit sliding connection with the first T-shaped sliding grooves, the top surface of each first T-shaped sliding block (15) extends out of the first T-shaped sliding grooves (14) and is fixedly connected with a fixing rod (18), the bottom surfaces of the fixing rods (18) are in fit sliding connection with the top surface of the bottom plate (1), the first T-shaped sliding blocks (15) in the two first T-shaped sliding grooves (14) are arranged in a one-to-one correspondence manner, and the two corresponding first T-shaped sliding blocks (15) are in a group, the top surfaces of two fixing rods (18) above the two first T-shaped sliding blocks (15) in the same group are fixedly connected with the same half square groove (13), the two half square grooves (13) are oppositely jointed and connected to form an integral square groove, the side walls of the two half square grooves (13) are respectively provided with a U-shaped through hole (42), the bottom surface of the half square groove (13) below each U-shaped through hole (42) is respectively provided with a second T-shaped sliding groove (22), a guide rod (21) is arranged in each second T-shaped sliding groove (22), the two ends of each guide rod (21) are respectively and fixedly connected with the inner side wall of the second T-shaped sliding groove (22), each second T-shaped sliding groove (22) is internally provided with a second T-shaped sliding block (20) and is jointed and slidably connected with the second T-shaped sliding grooves, the bottom surfaces of the two second T-shaped sliding blocks (20) extend out of the second T-shaped sliding grooves (22) and are respectively and fixedly connected with the top surfaces of the two first threaded blocks (16), a second spring (19) is fixedly connected between one side of a second T-shaped sliding block (20) and the inner side wall of a second T-shaped sliding groove (22), the second spring (19) is sleeved on a guide rod (21), one side of one half square groove (13) is fixedly connected with an L-shaped plate (25), a second threaded rod (24) is rotatably connected onto a vertical plate of the L-shaped plate (25), two check rings (27) are respectively attached to two sides of the vertical plate of the L-shaped plate (25), the two check rings (27) are sleeved on the second threaded rod (24) and fixedly connected with the second threaded rod, one end of the second threaded rod (24) is fixedly connected with a second gear (26), the second gear (26) is meshed with the first gear (23), the second threaded rod (24) is arranged in a U-shaped through hole (42), and a second threaded block (31) is sleeved on the second threaded rod (24) and is in threaded connection with the second threaded block, the bottom surface of the second thread block (31) is in fit sliding connection with the inner bottom surface of the U-shaped through hole (42), the top surface of the second thread block (31) is in fit connection with two U-shaped sliding plates (29), the two U-shaped sliding plates (29) are symmetrically arranged, a cavity is formed in one side of the fit of the two U-shaped sliding plates (29), a U-shaped sealing strip (30) is arranged in the cavity, the top surface of the U-shaped sealing strip (30) is flush with the top surface of the U-shaped sliding plates (29), connecting grooves (39) are formed in the two sides of the second thread block (31), connecting plates (32) are arranged in the connecting grooves (39), the connecting plates (32) are fixedly connected with the second thread block (31) through fixing bolts (33), the top surfaces of the two connecting plates (32) are fixedly connected with the bottom surfaces of the two U-shaped sliding plates (29) respectively, and transverse plates (8) are fixedly connected with the back sides of the two U-shaped sliding plates (29), the two sides of each transverse plate (8) are respectively attached with a first slide bar (7) in a sliding manner, the bottom surface of each first slide bar (7) is fixedly connected with a stop block (35), the bottom surface of each stop block (35) is fixedly connected with a third convex block (34), a first spring (6) is fixedly connected between the top surface of each stop block (35) and the bottom surface of the transverse plate (8), each first spring (6) is respectively sleeved on different first slide bars (7), the top surfaces of the two first slide bars (7) above the transverse plate (8) are fixedly connected with the same first movable plate (9), the top surface of the first movable plate (9) is fixedly connected with a plurality of first convex blocks (10), two second movable plates (38) are respectively and fixedly connected on the two side walls of each first movable plate (9), the two second slide bars (38) on the same side are sleeved with the same second movable plate (12), one side fixedly connected with a plurality of second lugs (11) of second movable plate (12), equal fixedly connected with one fixed ring (36) on every second slide bar (38), all overlap on every second slide bar (38) and have a third spring (37), the both ends of third spring (37) respectively with first movable plate (9) and second movable plate (12) fixed connection, one side fixedly connected with second tooth piece (41) of second movable plate (12), equal fixedly connected with first tooth piece (40) on in the both sides of U type through-hole (42), equal fixedly connected with rack (28) on the bottom surface in U type through-hole (42) of second thread piece (31) both sides, rack (28) set up under third lug (34).

2. A demountable building substrate grout column irrigation device as defined in claim 1, wherein: the motor (2) is electrically connected with an external power supply.

3. A demountable building substrate grout column irrigation device as defined in claim 1, wherein: the diameter of the first gear (23) is greater than the diameter of the second gear (26) by 5 cm-10 cm.

4. A demountable building substrate grout column irrigation device as defined in claim 1, wherein: the length of the rack (28) and the first tooth block (40) is the same as that of the U-shaped through hole (42) in the half square groove (13).

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