CN114582218A - Pouring teaching aid - Google Patents
Pouring teaching aid Download PDFInfo
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- CN114582218A CN114582218A CN202210211668.5A CN202210211668A CN114582218A CN 114582218 A CN114582218 A CN 114582218A CN 202210211668 A CN202210211668 A CN 202210211668A CN 114582218 A CN114582218 A CN 114582218A
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- teaching aid
- gear
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- sliding
- pouring
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
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- Theoretical Computer Science (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a pouring teaching aid which comprises a teaching aid shell, a mold and a moving seat, wherein the teaching aid shell is provided with a cavity, the mold is arranged in the cavity, the bottom of the side wall of the teaching aid shell is provided with a through hole, the moving seat is connected in the through hole in a sliding mode, the top of the moving seat is provided with a plurality of moving grooves, one side of each moving groove is an arc-shaped side, the side opposite to the arc-shaped side is a vertical side, the bottom of each moving groove is an arc-shaped surface for connecting the arc-shaped side and the vertical side, the bottom of the mold is fixedly connected with a supporting plate, the bottom of the supporting plate is installed in the moving groove, and the bottom of the supporting plate is in sliding connection with the moving groove. This pour teaching aid is at the teaching demonstration in-process, and concreting vibrates evenly, has improved and has pour the teaching quality.
Description
Technical Field
The invention relates to the technical field of civil engineering teaching aids, in particular to a pouring teaching aid.
Background
At present, the concrete pouring is a construction process of pouring mixed concrete materials into a bin, leveling the bin and tamping the materials to be compact. The pouring is required to be continuous and uniform, and the concrete is prevented from being separated; the leveling is to evenly spread the whole poured bin surface and fill the concrete material by a manual or mechanical method; tamping compaction is also called vibration tamping, and is divided into two types, namely manual tamping and mechanical vibrating tamping, and a mechanical vibrating method is generally adopted in hydraulic engineering.
Need use the teaching aid demonstration in the civil engineering specialty is pouring the teaching, and concrete vibrates inadequately evenly when pouring current device teaching aid of pouring to the teaching quality is pour in the influence.
To sum up, how to solve present device teaching aid of pouring effectively concrete when pouring vibrate not enough evenly to the problem of teaching quality is pour in the influence, is the problem that technical staff in this field need solve at present.
Disclosure of Invention
The invention aims to provide a pouring teaching aid, which is used for uniformly vibrating poured concrete in the teaching demonstration process and improving the pouring teaching quality.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a pour teaching aid, includes teaching aid shell, mould, removes the seat, the teaching aid shell is provided with the cavity, the mould sets up in the cavity, the lateral wall bottom of teaching aid shell is provided with and runs through the through-hole, remove seat sliding connection in run through in the through-hole, a plurality of motion grooves have been seted up at the top of removing the seat, one side of motion groove is the arc limit, with the relative one side in arc limit is the vertical edge, the bottom of motion groove is for connecting the arc limit with the arcwall face of vertical edge, the bottom and the backup pad fixed connection of mould, the bottom of backup pad install in the motion groove, the bottom of backup pad with the motion groove is sliding connection.
Optionally, a second rack is fixedly connected to the outer wall of the mold, a third rack is fixedly connected to the inner wall of the cavity, the second rack is in transmission connection with the third rack through a first gear, a plurality of positioning rings are arranged at the top of the cavity, a same connecting rope is arranged in the plurality of positioning rings, the third rack is connected with the top of a leveling plate through the connecting rope, the leveling plate and the mold are horizontally arranged, and the leveling plate is located right above the mold;
the side wall of the leveling plate can be tightly attached to the inner wall of the mold.
Optionally, the bottom of the outer side wall of the teaching aid shell is provided with a motor, the output end of the motor penetrates through the side wall of the teaching aid shell, the side wall of the motor is perpendicular to the side wall of the through hole, the output end of the motor is coaxially and fixedly connected with a rotating rod, the rotating rod is coaxially and fixedly connected with a third gear,
the movable seat comprises a fixed bottom plate, a plurality of support rods and a fixed top plate, the top of the fixed bottom plate is fixedly connected with the bottom of the fixed top plate through the plurality of support rods, a first rack is fixedly arranged at the top of the fixed bottom plate, the first rack is in meshing transmission with a second gear, the second gear is in meshing connection with a third gear, and the second gear and the third gear are both arranged in the cavity;
the supporting rods are respectively and fixedly connected with four corners of the top of the fixed bottom plate.
Optionally, the fixed top plate is provided with sliding grooves on the opposite side walls, a plurality of sliding plates are slidably connected in the sliding grooves, each of the plurality of sliding plates is provided with a tooth socket, and the tooth sockets are in meshing transmission with the third gear.
Optionally, both ends of the top of the fixed top plate are provided with positioning plates.
Optionally, the sliding plate comprises a fixed ring, a fixed frame, a plurality of supporting bars, a plurality of first rotating blocks and a plurality of second rotating blocks, the fixed ring and the fixed frame are respectively arranged at two ends of the sliding plate, the fixed frame can be inserted into the fixed ring,
many through a plurality of between the support bar first rotatory piece and a plurality of the rotatory piece of second rotates to be connected, and is a plurality of first rotatory piece distributes in one side both ends of support bar, it is a plurality of the rotatory piece of second distributes at same one side both ends of support bar.
Optionally, the second gear is with the coaxial fixed connection of dead lever, the lateral wall sliding connection of dead lever has first slip ring and second slip ring, the dead lever runs through the lateral wall of teaching aid shell, first slip ring with the second slip ring respectively with the both sides wall sliding connection of teaching aid shell.
Optionally, the first sliding ring and the second sliding ring are connected through a spring, the spring is sleeved on the fixing rod, the first sliding ring is fixedly connected with the side wall of the cavity, the second sliding ring is fixedly connected with the second gear, the radius of the second gear has a plurality of sizes,
a plurality of fixing holes are formed in the fixing rod, and the fixing rod is fixedly connected with the teaching aid shell through the positioning rod.
Optionally, the second gear comprises a straight gear and a bevel gear, the straight gear is in meshing transmission with the first rack, and the bevel gear is in meshing transmission with the third gear.
Optionally, the inner wall of the cavity is provided with a plurality of guide grooves, the outer wall of the mold is provided with a guide rail matched with the guide grooves, and the guide grooves are in sliding connection with the mold.
The pouring teaching aid provided by the invention comprises a teaching aid shell, a mold and a movable seat, wherein the teaching aid shell is provided with a cavity, and optionally, the cross sections of the teaching aid shell and the cavity are rectangular. The mold is disposed within the cavity, optionally centered from side to side. The transverse position of the mould in the cavity is fixed and can not move left and right.
A side wall bottom of teaching aid shell is provided with the through-hole that runs through, runs through the through-hole along horizontal setting, removes the seat and connects in running through the through-hole, and the bottom surface that removes the seat contacts with the bottom surface of teaching aid shell, removes the seat and can slide for the teaching aid shell horizontal slip along running through the through-hole. In the present application, the lateral direction refers to a moving direction of the movable base, the longitudinal direction refers to a direction perpendicular to the lateral direction on a horizontal plane, and the vertical direction refers to a direction in which the mold moves up and down.
The top of the movable seat is provided with a plurality of moving grooves, optionally, the moving grooves are the same in shape and size, and the moving grooves are transversely arranged. One side of the moving groove is provided with an arc-shaped side, the other side of the moving groove is provided with a vertical side, the vertical side is opposite to the arc-shaped side, and the vertical side and the arc-shaped side are longitudinally arranged. The bottom of the motion groove is an arc-shaped surface which smoothly and transitionally connects the arc-shaped edge and the vertical edge.
The bottom surface of the mold is connected with the top surface of the moving seat through the supporting plate, the bottom of the mold is fixedly connected with the supporting plate, the bottom of the supporting plate is installed in the moving groove, the bottom of the supporting plate is located at the top of the moving seat and is tightly attached to the top of the moving seat, and the bottom of the supporting plate is connected with the moving groove in a sliding mode. When the movable seat moves left and right in the through hole, the supporting plate sequentially slides through the plurality of moving grooves, and the die moves up and down along with the supporting plate in the moving grooves in the vertical direction. Specifically speaking, can drive the mould downstream when the backup pad falls from the vertical edge, drive the mould upward movement when the backup pad rises through the arc limit, realize the closely knit effect of vibrations through the up-and-down motion of mould.
The pouring teaching aid provided by the invention can accurately demonstrate the concrete pouring process in the teaching process, can enable the poured concrete to vibrate uniformly, has higher pouring quality, is more intuitive and concrete in demonstration, is simple to operate, and improves the teaching quality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a pouring teaching aid according to an embodiment of the present invention;
FIG. 2 is an internal cross-sectional view of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is another view of FIG. 1;
FIG. 5 is a schematic structural view of a fixing rod;
FIG. 6 is a schematic view of the construction of the slide plate;
fig. 7 is a partial enlarged view of fig. 6 at B.
The drawings are numbered as follows:
1 teaching aid shell, 2 screed-plates, 3 moulds, 4 removal seats, 5 first racks, 6 locating plates, 7 sliding plates, 8 fixed rings, 9 fixed frames, 10 supporting bars, 11 tooth grooves, 12 first rotating blocks, 13 second rotating blocks, 14 second racks, 15 first gears, 16 third racks, 17 connecting ropes, 18 supporting plates, 19 guide grooves, 20 motors, 21 fixed rods, 22 fixed holes, 23 locating rings, 24 first sliding rings, 25 springs, 26 second sliding rings, 27 second gears, 28 third gears, 29 rotating rods, 30 locating rings and 31 moving grooves.
Detailed Description
The core of the invention is to provide a pouring teaching aid, and in the process of teaching demonstration, the pouring concrete is vibrated uniformly, so that the pouring teaching quality is improved.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7, fig. 1 is a schematic structural diagram of a pouring teaching aid according to an embodiment of the present invention; FIG. 2 is an internal cross-sectional view of FIG. 1; FIG. 3 is an enlarged view of a portion of FIG. 2 at A; FIG. 4 is another view of FIG. 1; FIG. 5 is a schematic view of a fixing rod; FIG. 6 is a schematic view of the construction of the slide plate; fig. 7 is a partial enlarged view of fig. 6 at B.
In a specific embodiment, the pouring teaching aid provided by the invention comprises a teaching aid shell 1, a mold 3 and a moving seat 4, wherein the teaching aid shell 1 is provided with a cavity, the mold 3 is arranged in the cavity, a through hole is formed in the bottom of the side wall of the teaching aid shell 1, the moving seat 4 is connected in the through hole in a sliding mode, a plurality of moving grooves 31 are formed in the top of the moving seat 4, one side of each moving groove 31 is an arc-shaped side, the side opposite to the arc-shaped side is a vertical side, the bottom of each moving groove 31 is an arc-shaped surface connected with the arc-shaped side and the vertical side, the bottom of the mold 3 is fixedly connected with a support plate 18, the bottom of the support plate 18 is installed in the moving groove 31, and the bottom of the support plate 18 is connected with the moving groove 31 in a sliding mode.
In the structure, pour teaching aid and include teaching aid shell 1, mould 3, remove seat 4, teaching aid shell 1 is provided with the cavity, and optionally, the cross-section of teaching aid shell 1 and cavity is the rectangle. The mold 3 is disposed within the cavity, optionally with the mold 3 centered from side to side. The transverse position of the mould 3 in the cavity is fixed and cannot move left and right.
Teaching aid shell 1's a lateral wall bottom is provided with the through-hole that runs through, runs through the through-hole along horizontal setting, removes seat 4 and connects in running through the through-hole, and the bottom surface that removes seat 4 contacts with teaching aid shell 1's bottom surface, removes seat 4 and can be for teaching aid shell 1 horizontal slip along running through the through-hole. In this application, the lateral direction refers to a moving direction of the moving base 4, the longitudinal direction refers to a direction perpendicular to the lateral direction on a horizontal plane, and the vertical direction refers to a direction in which the mold 3 moves up and down.
The top of the movable seat 4 is provided with a plurality of moving grooves 31, optionally, the moving grooves have the same shape and size, and the plurality of moving grooves 31 are arranged along the transverse direction. One side of the moving groove 31 is an arc-shaped side, the other side is a vertical side, the vertical side is opposite to the arc-shaped side, and the vertical side and the arc-shaped side are longitudinally arranged. The bottom of the motion groove 31 is an arc-shaped surface, and the arc-shaped surface smoothly and transitionally connects the arc-shaped edge with the vertical edge.
The bottom surface of the mold 3 is connected with the top surface of the movable seat 4 through the support plate 18, the bottom of the mold 3 is fixedly connected with the support plate 18, the bottom of the support plate 18 is installed in the moving groove 31, the bottom of the support plate 18 is located at the top of the movable seat 4 and is tightly attached to the top of the movable seat, and the bottom of the support plate 18 is in sliding connection with the moving groove 31. When the movable seat 4 moves left and right in the through hole, the support plate 18 sequentially passes through the plurality of moving grooves 31, and the mold 3 moves up and down in the moving grooves along with the support plate 18 in the vertical direction. Specifically, the support plate 18 can drive the mold 3 to move downwards when falling from the vertical edge, and the support plate 18 can drive the mold 3 to move upwards when rising through the arc-shaped edge, so that the vibration compaction effect can be realized through the up-and-down movement of the mold 3.
The pouring teaching aid provided by the invention can accurately demonstrate the concrete pouring process in the teaching process, can enable the poured concrete to vibrate uniformly, has higher pouring quality, is more intuitive and concrete in demonstration, is simple to operate, and improves the teaching quality.
On the basis of the above-mentioned specific embodiment, the top of cavity is provided with a plurality of holding rings 30, is provided with same connecting rope 17 in a plurality of holding rings 30, and optionally, connecting rope 17 is the nylon rope, and third rack 16 is connected through connecting rope 17 with screed-plate 2 top, and the upper end that also is connecting rope 17 is connected with screed-plate 2, and the lower extreme is connected with third rack 16.
Leveling plate 2 and mould 3 are the level setting, and leveling plate 2 is located mould 3 directly over, but in leveling plate 2 up-and-down motion gets into the top surface opening of mould 3.
Optionally, the side wall of the leveling plate 2 can be closely attached to the inner wall of the mold 3, so that the leveling plate 2 can accurately fall into the mold 3 to achieve leveling operation when moving downwards, the concrete on the cross section of the whole mold 3 can be leveled, and the flowing bulge of the concrete at the edge is reduced.
The outer wall of the mould 3 is fixedly connected with a second rack 14, the inner wall of the cavity is fixedly connected with a third rack 16, the second rack 14 and the third rack 16 are in transmission connection through a first gear 15, and the second rack 14 and the third rack 16 are in meshing transmission with the first gear 15.
When the second rack 14 moves downwards, the first gear 15 is driven to move anticlockwise, meanwhile, the first gear 15 drives the third rack 16 to move upwards, and when the third rack 16 moves upwards, the connecting rope 17 loosens the leveling plate 2 and moves downwards to level the concrete in the mould 3; when the second rack 14 moves upwards, the first gear 15 is driven to move clockwise, meanwhile, the first gear 15 drives the third rack 16 to move downwards, when the third rack 16 moves downwards, the connecting rope 17 tensions the leveling plate 2 to move upwards, and continuous leveling operation is realized through continuous up-and-down movement of the second rack 14.
In conclusion, the pouring teaching aid provided by the invention not only can play a role of vibration compaction, but also can realize continuous leveling operation.
On the basis of the above-mentioned each specific embodiment, the lateral wall bottom of teaching aid shell 1 is provided with motor 20, and the lateral wall has the through-hole in the output position department of motor 20, and the output of motor 20 runs through the lateral wall of teaching aid shell 1. Note that the side wall of the motor 20 is perpendicular to the side wall of the through hole.
The output end of the motor 20 is coaxially and fixedly connected with the rotating rod 29, the rotating rod 29 is coaxially and fixedly connected with the third gear 28, the rotating rod 29 is driven to rotate through the rotation of the motor 20, and the third gear 28 is driven to rotate through the rotation of the rotating rod 29.
Remove seat 4 and include PMKD, a plurality of bracing piece and fixed roof, PMKD's top and the bottom of fixed roof are through a plurality of bracing piece fixed connection, and optionally, a plurality of bracing pieces are fixed connection respectively in PMKD's top four corners, simple structure, and it is convenient to connect, and stability is better.
The second gear 27 is engaged with the third gear 28, both the second gear 27 and the third gear 28 are disposed in the cavity, the second gear 27 is driven to rotate by the rotation of the third gear 28, and the rotation directions of the third gear 28 and the second gear 27 are opposite.
The top of the fixed bottom plate is fixedly provided with a first rack 5, the first rack 5 is in meshing transmission with a second gear 27, and the first rack 5 and the movable base 4 are driven to move together through the rotation of the second gear 27. When the second gear 27 moves counterclockwise, the movable seat 4 moves rightwards, and when the second gear 27 moves clockwise, the movable seat 4 moves leftwards, so that the movable seat 4 is controlled to move transversely, the structure is simple, and the movement is relatively stable.
On the basis of the above specific embodiments, the fixed top plate is provided with sliding grooves on the opposite side walls, the sliding grooves are arranged along the transverse direction, and the sliding grooves are connected with a plurality of sliding plates 7 in a sliding manner, that is, the sliding plates 7 can slide in the sliding grooves; the sliding groove has limiting and guiding functions on the sliding plate 7, and the sliding plate 7 is guaranteed to slide in the sliding groove all the time.
The sliding plates 7 are provided with the tooth grooves 11, the tooth grooves 11 are in meshing transmission with the third gear 28, so that the sliding plates 7 can be driven to move by the meshing movement of the third gear 28 and the tooth grooves 11, the movement of the sliding plates 7 is opposite to that of the first rack 5, and the sliding plates 7 can move together due to the mutual connection of the sliding plates 7. During the transverse movement of the movable seat 4, the sliding plate 7 and the first rack 5 move reversely at the same time, so that the movement stability of the movable seat 4 is ensured.
It should be noted that the gullet 11 is upward when the sliding plate 7 is at the top of the movable base 4, and the gullet 11 is downward when the sliding plate 7 is at the bottom of the movable base 4.
On the basis of each above-mentioned specific embodiment, the top both ends of fixed roof all are provided with locating plate 6, and a plurality of locating plates 6 all are located the fixed roof top, and locating plate 6 sets up in the both ends of spout, when backup pad 18 removes fixed roof tip and needs to reset, can not cause the hindrance to the operation that resets of sliding plate 7.
On the basis of the above-mentioned each specific embodiment, the sliding plate 7 includes the fixed ring 8, the fixed frame 9, the plurality of support bars 10, the plurality of first rotating blocks 12 and the plurality of second rotating blocks 13, the fixed ring 8 and the fixed frame 9 are respectively disposed at both ends of the sliding plate 7, the fixed frame 9 can be inserted into the fixed ring 8, the plurality of sliding plates 7 can be connected to each other by the interconnection of the fixed ring 8 and the fixed frame 9, and the number of the sliding plates 7 can be changed according to the requirement.
Many support bars 10 rotate through a plurality of first rotatory pieces 12 and a plurality of second rotatory pieces 13 between and are connected, and a plurality of first rotatory pieces 12 distribute at one side both ends of support bar 10, and a plurality of second rotatory pieces 13 distribute at the opposite side both ends of same support bar 10, and the sliding plate 7 can be bent when the sliding plate 7 need turn to set up like this.
On the basis of the above embodiments, the second gear 27 is coaxially and fixedly connected with the fixing rod 21, and the second gear 27 rotates to drive the fixing rod 21 to rotate.
The lateral wall sliding connection of dead lever 21 has first slip ring 24 and second slip ring 26, and dead lever 21 runs through the lateral wall of teaching aid shell 1, and first slip ring 24 and second slip ring 26 are installed respectively in the both sides wall of teaching aid shell 1, first slip ring 24 and second slip ring 26 respectively with the both sides wall sliding connection of teaching aid shell 1. In the process of moving the seat 4 and moving transversely, the fixing rod 21 slides and moves through the two side walls of the first sliding ring 24 and the second sliding ring 26 and the teaching aid shell 1, the friction is small, the abrasion is reduced, and the moving seat 4 is guaranteed to move smoothly.
On the basis of the above-mentioned embodiments, the first sliding ring 24 and the second sliding ring 26 are connected by the spring 25, the spring 25 is sleeved on the fixing rod 21, the first sliding ring 24 is fixedly connected with the side wall of the cavity, the second sliding ring 26 is fixedly connected with the second gear 27, and the radius of the second gear 27 has a plurality of sizes.
When the fixing lever 21 is pulled, the spring 25 contracts and simultaneously the second gear 27 moves backward, at which time the radius of engagement of the second gear 27 with the third gear 28 increases; when the fixing lever 21 is pushed, the spring 25 is stretched, and the second gear 27 moves forward, and the radius of the engagement of the second gear 27 with the third gear 28 is reduced. This arrangement allows the rate of movement between the mobile seat 4 and the sliding plate 7 to be controlled by varying the radius at which the second gear 27 meshes with the third gear 28. The third gear 28 speed is greater than the second gear 27 speed as the radius of engagement increases; as the radius of engagement decreases, the third gear 28 speed is less than the second gear 27 speed.
A plurality of fixing holes 22 are formed in the fixing rod 21, the fixing rod 21 is fixedly connected with the teaching aid shell 1 through the fixing rod 23, the fixing rod 23 is inserted into the fixing hole 22, located on the outer side of the teaching aid shell 1, and the fixing effect can be achieved, wherein the fixing hole 22 is closest to the teaching aid shell 1.
On the basis of the above embodiments, the second gear 27 includes a straight gear and a bevel gear, the straight gear is in meshing transmission with the first rack 5, the bevel gear is in meshing transmission with the third gear 28, the structure is simple, the second gear 27 has a plurality of radiuses, and the reducing design is realized.
On the basis of the above embodiments, the inner wall of the cavity is provided with a plurality of guide grooves 19, the outer wall of the mold 3 is provided with guide rails matched with the guide grooves 19, and the guide grooves 19 and the guide rails are vertically arranged. When in connection, the guide rail of the mould 3 is arranged in the guide groove 19 of the inner cavity to limit the transverse position of the mould 3 and prevent the mould 3 from moving left and right; many guide ways 19 and mould 3 sliding connection, mould 3 remove along the 19 directions of guide way, have the guide effect, reduce mould 3 and rock at the in-process that reciprocates, slide from top to bottom in guide way 19 through mould 3 and play the closely knit effect of vibrations.
In practical application, when teaching aid preparation is carried out to needs, put into teaching aid shell 1 with the mould 3 that fills up the concrete, screed-plate 2 different according to the shape selection of mould 3, place backup pad 18 on locating plate 6, open motor 20 and drive third gear 28 and rotate, extract locating lever 23 and adjust dead lever 21 to suitable position simultaneously, first fixed orifices 22 that will be in the teaching aid shell 1 outside inserts locating lever 23, through changing the removal rate between second gear 27 and the radius control removal seat 4 of third gear 28 meshing and the sliding plate 7. When the movable seat 4 moves, the support plate 18 can drive the mold 3 and the second rack 14 to move downwards when falling from the vertical edge, and when the support plate 18 is lifted through the arc-shaped edge, the mold 3 and the second rack 14 are driven to move upwards, so that the vibration compaction effect is realized through the up-and-down movement of the mold 3.
When the second rack 14 moves downwards, the first gear 15 is driven to move anticlockwise, meanwhile, the first gear 15 drives the third rack 16 to move upwards, and when the third rack 16 moves upwards, the connecting rope 17 loosens the leveling plate 2 and moves downwards to level the concrete in the mould 3; when the second rack 14 moves upwards, the first gear 15 is driven to move clockwise, meanwhile, the first gear 15 drives the third rack 16 to move downwards, when the third rack 16 moves downwards, the leveling plate 2 is pulled by the nylon rope to move upwards, and continuous leveling operation is realized through continuous up-and-down movement of the second rack 14.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The pouring teaching aid provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A pouring teaching aid is characterized by comprising a teaching aid shell (1), a mold (3) and a movable seat (4), the teaching aid shell (1) is provided with a cavity, the mould (3) is arranged in the cavity, the bottom of the side wall of the teaching aid shell (1) is provided with a through hole, the movable seat (4) is connected in the through hole in a sliding way, the top of the movable seat (4) is provided with a plurality of moving grooves (31), one side of each moving groove (31) is an arc-shaped side, one side opposite to the arc-shaped side is a vertical side, the bottom of the motion groove (31) is an arc-shaped surface connecting the arc-shaped side and the vertical side, the bottom of the die (3) is fixedly connected with a support plate (18), the bottom of the support plate (18) is arranged in the moving groove (31), the bottom of the supporting plate (18) is in sliding connection with the moving groove (31).
2. The pouring teaching aid according to claim 1, wherein a second rack (14) is fixedly connected to the outer wall of the mold (3), a third rack (16) is fixedly connected to the inner wall of the cavity, the second rack (14) and the third rack (16) are in transmission connection through a first gear (15), a plurality of positioning rings (30) are arranged at the top of the cavity, the same connecting rope (17) is arranged in the plurality of positioning rings (30), the third rack (16) is connected with the top of the leveling plate (2) through the connecting rope (17), the leveling plate (2) and the mold (3) are both horizontally arranged, and the leveling plate (2) is located right above the mold (3);
the side wall of the leveling plate (2) can be tightly attached to the inner wall of the mould (3).
3. Pouring teaching aid according to claim 2, wherein the bottom of the outer side wall of the teaching aid housing (1) is provided with an electric motor (20), the output end of the electric motor (20) penetrates through the side wall of the teaching aid housing (1), the side wall of the electric motor (20) is perpendicular to the side wall penetrating through the through hole, the output end of the electric motor (20) is fixedly connected with a rotating rod (29) in a coaxial manner, the rotating rod (29) is fixedly connected with a third gear (28) in a coaxial manner,
the movable seat (4) comprises a fixed bottom plate, a plurality of supporting rods and a fixed top plate, the top of the fixed bottom plate is fixedly connected with the bottom of the fixed top plate through the plurality of supporting rods, a first rack (5) is fixedly arranged on the top of the fixed bottom plate, the first rack (5) is in meshing transmission with a second gear (27), the second gear (27) is in meshing connection with a third gear (28), and the second gear (27) and the third gear (28) are both arranged in the cavity;
the supporting rods are respectively and fixedly connected with four corners of the top of the fixed bottom plate.
4. Pouring teaching aid according to claim 3, characterized in that the fixed top plate is provided with sliding grooves on opposite side walls, a plurality of sliding plates (7) are slidably connected in the sliding grooves, each sliding plate (7) is provided with a tooth space (11), and the tooth spaces (11) are in meshing transmission with the third gear (28).
5. Pouring teaching aid according to claim 4, characterized in that the top both ends of the fixed top plate are provided with positioning plates (6).
6. Pouring teaching aid according to claim 4, wherein the sliding plate (7) comprises a fixed ring (8), a fixed frame (9), a plurality of support bars (10), a plurality of first rotating blocks (12) and a plurality of second rotating blocks (13), the fixed ring (8) and the fixed frame (9) are respectively arranged at both ends of the sliding plate (7), the fixed frame (9) can be inserted into the fixed ring (8),
many it is through a plurality of between support bar (10) first rotatory piece (12) and a plurality of the rotatory piece of second (13) rotate to be connected, and is a plurality of first rotatory piece (12) distribute in one side both ends of support bar (10), it is a plurality of the rotatory piece of second (13) distribute at same one side both ends of support bar (10).
7. Pouring teaching aid according to claim 3, characterized in that the second gear (27) is fixedly connected coaxially to a fixing bar (21), the fixing bar (21) has a first sliding ring (24) and a second sliding ring (26) slidably connected to the outer side wall, the fixing bar (21) penetrates the side wall of the teaching aid housing (1), and the first sliding ring (24) and the second sliding ring (26) are slidably connected to the two side walls of the teaching aid housing (1), respectively.
8. Pouring teaching aid according to claim 7, wherein the first sliding ring (24) and the second sliding ring (26) are connected by a spring (25), the spring (25) is sleeved on the fixing rod (21), the first sliding ring (24) is fixedly connected with the side wall of the cavity, the second sliding ring (26) is fixedly connected with the second gear (27), the radius of the second gear (27) has a plurality of dimensions,
a plurality of fixing holes (22) are formed in the fixing rod (21), and the fixing rod (21) is fixedly connected with the teaching aid shell (1) through the fixing rod (23).
9. Pouring teaching aid according to claim 8, wherein the second gear (27) comprises a spur gear and a bevel gear, the spur gear being in meshing transmission with the first rack (5), the bevel gear being in meshing transmission with the third gear (28).
10. Pouring teaching aid according to any of claims 1-9, characterized in that the inner wall of the cavity is provided with a plurality of guide grooves (19), the outer wall of the mould (3) is provided with guide rails that cooperate with the guide grooves (19), and the plurality of guide grooves (19) are slidably connected with the mould (3).
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| CN202210211668.5A CN114582218B (en) | 2022-03-04 | 2022-03-04 | Pouring teaching aid |
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| CN114582218B (en) | 2023-03-21 |
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