CN219882826U - Aerated concrete production is with breaking board device off with fingers and thumb - Google Patents

Abstract

The utility model relates to the technical field of aerated concrete production equipment, and discloses a wrenching device for aerated concrete production, which comprises porches, lifting frames and movable frames, wherein the porches are arranged on two sides of a green body conveying track, the lifting frames in the shape of a door are arranged between the two porches, the movable frames are arranged in the middle of the lifting frames, the bottoms of the movable frames are movably connected with the lifting frames, and one side of the top of each movable frame is connected with the lifting frames through a hydraulic cylinder. The hydraulic cylinder is extended to push the movable frame to incline to the other side during the board breaking through the vestibule and the lifting frame to be installed on a conveying track after steaming, and a plurality of frames arranged on the movable frame are staggered simultaneously, so that the adhered blanks are separated at one time, the structure is simple, the manufacturing cost is low, the separating speed is high, the working flow is less, the technical problems that the board breaking device in the prior art is complex in structure and inconvenient to use, the time required for separating the boards layer by layer is long are solved, and the pneumatic concrete production equipment has wide popularization and application values in the technical field of pneumatic concrete production equipment.

Description

Aerated concrete production is with breaking board device off with fingers and thumb

Technical Field

The utility model relates to the technical field of aerated concrete production equipment, in particular to an aerated concrete breaking device.

Background

The aerated concrete block is a porous concrete product prepared by adopting a special gas generating method through the procedures of proportioning and stirring, pouring, standing, cutting, autoclaved curing and the like. In order to facilitate accurate cutting to form corresponding dimension specifications and plates or building blocks, the cutting is needed before the blank body is completely hardened, but the divided plates or building blocks can generate hydration reaction in the autoclaved curing process, and under the action of gravity, gaps formed after the original division can be partially adhered together due to formed crystals, so that the most effective method for solving the problem is to adopt a plate breaking machine to break off plates.

When the traditional board breaking machine works, the green body is fixed layer by layer and then broken off layer by layer, for example, a green body breaking device and an aerated concrete production line disclosed in Chinese patent number ZL202220812869.6, when the green body is conveyed onto a bearing part, lifting oil cylinders are started, and all the lifting oil cylinders synchronously drive the bearing part to rise under the action of a synchronous mechanism; when the green body carried by the carrying part rises to the breaking mechanism, the lifting oil cylinder is closed, the two uppermost layers of green bodies are broken by the breaking mechanism, and after the breaking is completed, the lifting oil cylinder is started to drive the green bodies on the carrying part to continuously rise so as to carry out the breaking operation on the green bodies of other layers until the breaking of the green bodies of all the layers is completed; although the manual work is reduced, the structure and the installation process are simplified, the size is reduced, the stability is good, the time required for layer-by-layer breaking is long, secondly, a plurality of lifting processes exist in the board breaking process, the lifting processes comprise that the lifting cylinder drives the bearing part to rise to the breaking mechanism, the lifting cylinder is started again to drive the bearing part to continuously rise after one breaking is completed, and the lifting cylinder is started to drive the bearing part to descend to the initial station after the breaking is completed, the lifting position is accurate every time, otherwise, a blank body is easy to damage, the structure is complex, the manufacturing cost is high, and the use process is inconvenient.

Disclosure of Invention

The utility model aims to provide the pneumatic concrete production board breaking device, which aims to solve the problems that the prior pneumatic concrete board breaking device is complex in structure and low in layer-by-layer board breaking working efficiency and long in board breaking time in the board breaking process.

The technical scheme adopted by the utility model is as follows:

the utility model provides an aerated concrete production is with breaking board device off with fingers and thumb, includes porch, crane and movable frame, and the porch sets up in the body and transports the track both sides, is equipped with the crane of door font between two porches, is equipped with the movable frame in the middle of the crane, movable frame bottom and crane swing joint, and movable frame top one side is connected with the crane through the pneumatic cylinder; the movable frame consists of a plurality of frames and movable rods, the frames are arranged at equal intervals along the movable rods in the vertical direction, and four corners of each frame are movably connected with the movable rods; the fixed rings which extend along the horizontal direction and are oppositely arranged are arranged on two sides in the frame, and rollers are arranged on the fixed rings.

After adopting the structure, the utility model has the following beneficial effects:

(1) When the blank to be broken off is put into the lower part of the door gallery, the lifting frame drives the movable frame to descend, the movable frame is arranged on the outer side of the blank, the top of the movable frame is pushed to deviate to one side through the hydraulic cylinder, so that the adhered blank is inclined, the blank is broken off along the adhered part under the action of shearing force due to the fact that the bottom is fixed, a plurality of adhered blanks on the same vertical surface can be broken off at one time, and the labor is saved compared with the traditional clamping.

(2) The distance between the upper side surface and the lower side surface can be gradually reduced in the tilting process of the movable frame, so that the movable frame can adapt to the breaking-off procedure of boards or building blocks with different sizes, and the application range is wide.

(3) The upper side frame and the lower side frame form a parallelogram in the breaking process, and the distance between the upper side frame and the lower side frame is gradually reduced, but the roller is arranged, so that the roller can roll on the side face of the ligand, and the damage to the side face of the blank body caused by hard contact or scratching is avoided on the basis that the breaking effect is not affected.

(4) The hydraulic cylinder contracts after the plate breaking to drive the movable frame to return by tilting, the tilted plate or block after the plate breaking is pushed by the roller on one side of the tilting direction of the plate or block in the opposite direction, the tilted staggered plate or block is pushed to be vertically stacked, and then the lifting frame is lifted to remove the plate block after the plate breaking through the original conveying track, so that the plate breaking process is simplified, the structure is simple, and the plate breaking efficiency is high.

(5) Only constitute by vestibule and crane, area is little, can repacking completion on the transportation track, need not to set up special board breaking place off with fingers and thumb, and installation cost is low, convenient to use is in aerated concrete production facility technical field.

Preferably, racks are arranged on one side, close to the lifting frame, of the porch; the lifting frame both sides are close to porch department and all are equipped with the flange, are fixed with the gear on the flange, gear and rack intermeshing.

The lifting frame is enabled to stably lift in the porch through the gear and the rack, so that the transfer operation is ensured to be smoothly carried out, and the green body is prevented from being damaged.

Preferably, the movable frame is composed of a plurality of frames and movable rods, the frames are arranged at equal intervals along the movable rods in the vertical direction, and four corners of each frame are movably connected with the movable rods.

The blanks are simultaneously broken off through a plurality of vertically arranged frames, and all breaking-off procedures can be completed through one action, so that the breaking-off process is simplified.

Preferably, fixing rings which extend along the horizontal direction and are oppositely arranged are arranged on two sides in the frame, and rollers are arranged on the fixing rings.

The upper and lower two adjacent rollers form shearing force on the blank in the corresponding roller so as to complete breaking, and the distance between the upper and lower frames is gradually reduced when the upper and lower frames are dislocated in the breaking process, and the roller can roll on the side surface of the blank so as to prevent the side surface of the blank from being scratched due to large hard contact friction force.

Preferably, the four corners of the outer side of the frame are respectively provided with a connecting frame, and a plurality of frames are respectively movably connected with the movable rod through the connecting frames.

All frames are movably connected with the movable rod through the connecting frame, so that all frames can be kept horizontal all the time, and meanwhile, when the movable rod is deviated, all frames can be driven to move horizontally to one side at the same time, and further, the simultaneous breaking-off procedure is realized.

Preferably, the bottom of the lifting frame is provided with an extension rod extending towards the direction of the movable frame and horizontally arranged, and the bottom of the movable rod is movably connected with the lifting frame through the extension rod.

The distance between the movable frame and the lifting frame is increased through the extension rod, so that the offset of the movable frame is increased, and the offset of the movable frame is limited by the movement interference of the lifting frame to the movable frame when the movable frame is inclined and broken.

Preferably, a side lug is arranged on one side, close to the porch, of one frame, far away from the extension rod, of the lifting frame, and a swing tail foot rest is movably connected to the side lug; a cross rod is arranged at the upper part of one side, close to the side lugs, of the lifting frame, a hydraulic cylinder fixing seat is arranged on the cross rod, and the hydraulic cylinder fixing seat is arranged in a manner of being matched with the side lugs; a hydraulic cylinder is arranged between the hydraulic cylinder fixing seat and the swing foot rest, one end of the hydraulic cylinder is fixedly connected with the hydraulic cylinder fixing seat, and the other end of the hydraulic cylinder is fixedly connected with the swing foot rest.

The swing foot stand is connected through the side lugs, the hydraulic cylinder fixing seat is connected through the cross rod, the two ends of the hydraulic cylinder are fixedly connected with the swing foot stand and the hydraulic cylinder fixing seat respectively, the hydraulic cylinder can rotate by a certain angle while the expansion of the hydraulic cylinder is not influenced, and further the hydraulic cylinder can rotate along with the expansion bracket without interference when the distance between the movable bracket and the expansion bracket is changed.

Preferably, a concave limit groove is formed in one side, close to the lifting frame, of the porch, and a rack is fixed in the limit groove; the convex plates are respectively provided with two gear frames which are vertically arranged, the gear frames are respectively provided with gears, one sides of the gears are connected with the gear frames, and the other sides of the gears are meshed with the racks.

The gear can only rotate along the surface of the rack through the concave limiting groove and the degree of freedom of the rack limiting gear, so that the deflection inclination of the lifting frame is avoided, and meanwhile, the two gears are respectively arranged on two sides of the lifting frame, so that the lifting frame is always kept vertical in the ascending or descending process, the frame in the lifting frame is always kept horizontal, the accuracy in the breaking process is ensured, and the inclination of the frame is prevented to damage the surface or edge of a plate or a building block.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a stripping device for aerated concrete production according to the present utility model;

fig. 2 is a side view of the stripping device for aerated concrete production of the present utility model;

fig. 3 is a front view of the stripping device for aerated concrete production of the present utility model;

FIG. 4 is a front view of the apparatus for producing aerated concrete according to the present utility model;

fig. 5 is a schematic structural view of a frame in the stripping device for aerated concrete production of the present utility model;

fig. 6 is a sectional view of the lifting frame in the stripping device for aerated concrete production of the present utility model when it is lifted;

fig. 7 is a sectional view of the aerated concrete production apparatus of the present utility model in a use state;

fig. 8 is a second cross-sectional view of the use state of the stripping device for aerated concrete production of the present utility model.

Fig. 9 is an enlarged view of a portion of fig. 8 a in accordance with the present utility model.

Reference numerals: 10-porch, 11-limit groove, 12-rack, 20-lifting frame, 21-cross bar, 22-hydraulic cylinder, 23-hydraulic cylinder fixing seat, 24-convex plate, 25-gear frame, 26-gear, 27-extension rod, 30-movable frame, 31-frame, 32-movable rod, 33-fixed ring, 34-roller, 35-connecting frame, 36-side ear and 37-swing foot stand.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described below with reference to fig. 1 to 9, and it is obvious that the described embodiments are some, but not all embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

According to the description, as shown in figures 1-9, the utility model provides a wrenching device for aerated concrete production, which comprises a porch 10, lifting frames 20 and movable frames 30, wherein the porch 10 is arranged on two sides of a conveying track, the lifting frames 20 in a shape of a door are arranged between the two porches 10, the movable frames 30 are arranged in the middle of the lifting frames 20, the bottoms of the movable frames 30 are movably connected with the lifting frames 20, and one side of the tops of the movable frames 30 is connected with the lifting frames 20 through hydraulic cylinders; when the plates or the building blocks to be broken off enter the lower part of the porch 10, the lifting frame 20 drives the movable frame 30 to descend, the movable frame 30 is arranged on the outer side of the plates or the building blocks adhered together, the top of the movable frame 30 is pushed to deviate to one side by the hydraulic cylinder, so that the adhered plates or the building blocks incline, the plates or the building blocks are staggered from the adhered parts under the action of shearing force due to the fixed bottom, the breaking off of the plates or the building blocks on the same vertical surface is realized, and the breaking off of the plates or the building blocks can be realized once, so that the breaking off of the plates or the building blocks is more labor-saving compared with the breaking off of the plates or the building blocks up and down after the traditional clamping.

According to the description of fig. 1 and 4 and fig. 6 to 9, in this embodiment, racks 12 are disposed on the side of the porch 10 close to the lifting frame 20; the two sides of the lifting frame 20, which are close to the porch 10, are provided with convex plates 24, the convex plates 24 are rotatably connected with gears 26, and the gears 26 are meshed with the racks 12; the lifting frame 20 is enabled to stably lift in the porch 10 through the gear 26 and the rack 12, so that smooth operation of breaking off the hands is ensured, and the damage to the plates or the building blocks is avoided.

According to the description of fig. 1-4 and fig. 6-9, in this embodiment, the movable frame 30 is composed of a plurality of frames 31 and movable rods 32, the frames 31 are arranged at equal intervals along the movable rods 32 in the vertical direction, and four corners of the frames 31 are movably connected with the movable rods 32, and the connection mode is preferably hinged; the plate or the building block is simultaneously broken off by a plurality of vertically arranged frames 31, and all breaking-off procedures can be completed by one action, so that the breaking-off process is simplified.

According to fig. 5 of the specification, in this embodiment, two sides of the frame 31 are provided with fixing rings 33 extending along the horizontal direction and disposed opposite to each other, and rollers 34 are disposed on the fixing rings 33; the upper and lower two adjacent rollers 34 form shearing force to the plates or blocks in the corresponding rollers 34, so that the separation is completed, and meanwhile, the distance between the upper and lower frames 31 is gradually reduced when the separation is misplaced, the rollers 34 can roll on the side surfaces of the plates or blocks, and the side surfaces of the plates or blocks are prevented from being scratched due to high hard contact friction force.

According to fig. 5 of the specification, in this embodiment, four corners on the outer side of the frame 31 are respectively provided with a connecting frame 35, a plurality of the frames 31 are longitudinally arranged at intervals, and the frames 31 are respectively movably connected with the movable rod 32 through the connecting frames 35 on the four corners, and the connecting mode is preferably hinged; all frames 31 are hinged with the movable rods 32 through the connecting frame 35, so that all frames 31 can be kept horizontal all the time, and meanwhile, when the movable rods 32 deviate, all the frames 31 can be driven to move horizontally to one side at the same time, and further, the simultaneous breaking-off procedure is realized.

According to fig. 1-4 and fig. 6-8 of the drawings, in this embodiment, an extension rod 27 extending toward the direction of the movable frame 30 and horizontally arranged is arranged at the bottom of the lifting frame 20, and the bottom of the movable rod 32 is movably connected with the lifting frame 20 through the extension rod 27, and the connection mode is preferably hinged; the distance between the movable frame 30 and the lifting frame 20 is increased through the extension rod 27, so that the offset of the movable frame 30 is increased, and the offset of the movable frame 30 is limited by the movement interference of the lifting frame 20 to the movable frame 30 when the movable frame 30 is inclined and broken.

According to the description of fig. 1, 3, 4 and fig. 6-9, in this embodiment, a side ear 36 is disposed on a side of one frame 31 of the lifting frame 20, which is far away from the extension rod 27 and is close to the porch 10, and a swing foot stand 37 is movably connected to the side ear 36; a cross rod 21 is arranged at the upper part of one side, close to the side lug 36, of the lifting frame 20, a hydraulic cylinder fixing seat 23 is arranged on the cross rod 21, and the hydraulic cylinder fixing seat 23 is arranged in a manner of being matched with the side lug 36; a hydraulic cylinder is arranged between the hydraulic cylinder fixing seat 23 and the swing foot rest 37, one end of the hydraulic cylinder is fixedly connected with the hydraulic cylinder fixing seat 23, and the other end of the hydraulic cylinder is fixedly connected with the swing foot rest 37; the swing foot stand 37 is connected through the side lugs 36, the hydraulic cylinder fixing seat 23 is connected through the cross rod 21, the two ends of the hydraulic cylinder are respectively and fixedly connected with the swing foot stand 37 and the hydraulic cylinder fixing seat 23, the hydraulic cylinder can rotate by a certain angle while the expansion and contraction of the hydraulic cylinder are not influenced, and further the hydraulic cylinder can rotate along with the expansion and contraction stand when the distance between the movable stand 30 and the expansion and contraction stand is changed, so that interference is not generated.

According to the description, as shown in fig. 1 and 4 and fig. 6 to 8, in this embodiment, a concave limit groove 11 is formed on one side of the porch 10 close to the lifting frame 20, and a rack 12 is fixed in the limit groove 11; two vertically arranged gear frames 25 are arranged on the convex plates 24, gears 26 are arranged on the gear frames 25, one side of each gear 26 is connected with the gear frames 25, and the other side of each gear 26 is meshed with the rack 12; the gear 26 is fixed on the convex plate 24 through the gear frame 25, so that the gear 26 can be fixed, and the rotation of the gear 26 is not influenced; the degree of freedom of the gear 26 in the lifting process is limited by the concave limiting groove 11 and the rack 12, so that the gear 26 can only rotate along the surface of the rack 12, the deviation or inclination of the lifting frame 20 is avoided, meanwhile, the two gears 26 are respectively arranged on two sides of the lifting frame 20, the lifting height of the lifting frame 20 is consistent, the frame 31 in the lifting frame 20 is kept horizontal all the time, the accuracy in the plate breaking process is ensured, and the frame 31 is prevented from being inclined to damage the surface or edge of a plate or a building block.

Example 2

After plates or building blocks adhered together up and down are conveyed to a breaking-off section through a conveying track, namely, the lifting frame 20 descends, the adhered plates or building blocks are placed between two rollers 34 on the inner side of a frame 31 of the movable frame 30, two gears 26 distributed up and down are arranged on two sides of the lifting frame 20, racks 12 are arranged on one side, close to the lifting frame 20, of the two porches 10, the gears 26 are meshed with the surfaces of the racks 12 close to the gears, so that the lifting frame 20 is kept stable in the ascending or descending process, and the lifting frame 20 is prevented from inclining; when the bottommost frame 31 on the movable frame 30 is positioned in the middle of the bottommost plate or block, the lifting frame 20 stops descending, the hydraulic cylinder is extended after being filled with liquid, the movable frame 30 is pushed, the movable frame 30 is moved to one side far away from the hydraulic cylinder, and the lifting frame 20 can only incline to one side far away from the hydraulic cylinder in the process of being pushed by the hydraulic cylinder because the bottom of the movable frame 30 is movably connected with the bottom of the lifting frame 20; the movable frame 30 is movably connected with the movable rod 32 through a plurality of frames 31 which are equidistantly arranged, and the length of the frames 31 and the positions of the joints of the frames 31 and the movable rod 32 are unchanged and only rotate, so that the frames 31 are changed into inclined horizontal arrangement from vertical horizontal equidistant arrangement in the inclined process of the movable frame 30, the upper and lower adjacent frames 31 are staggered, and further, the upper and lower ends of the side face of a green body to be separated are applied with shearing force, and the shearing force is enough to stagger the plates or the building blocks which are adhered together again after being cut, so that the separation procedure is completed; in the process that the frames 31 are staggered, the distance in the vertical direction can be gradually shortened, the roller 34 is used as a pushing component, damage to the side surfaces of the plates or the building blocks can be reduced, the roller 34 pushes the blank, the roller can roll on the side surface of the blank in contact with the frames 31 when the distance between the frames 31 is shortened, the blank is not damaged, the thrust to the side surface of the blank cannot be counteracted, the distance between the rollers 34 on two sides in the frames 31 can be larger than the width of the blank, the blank cannot be crushed in the descending process of the lifting frame 20 can be ensured, meanwhile, the distance between the frames 31 can be shortened when the movable frame 30 inclines to one side, and the device is applicable to the breaking of blanks with different sizes.

The specific lifting power of the lifting frame 20 can adopt a structure with a displacement function, such as a winch, a cylinder, a hydraulic cylinder or a lifting rod, which are well known to those skilled in the art, and is not the utility model; the fixed distance of lowering of the lifting frame 20 may be fixed by a sensor or the distance of the bottom of the lifting frame 20 from the trolley for transporting the ligand, without special adjustment, the arrangement of the sensor and the trolley being well known to the person skilled in the art and not the point of the utility model, and therefore not described in detail in the present utility model.

When the blank is broken, the roller 34 at the upper side close to one side of the hydraulic cylinder and the roller 34 at the lower side far away from one side of the hydraulic cylinder are used for forming shearing force, so that blanks which are originally vertically adhered together are staggered with each other, and the breaking is completed; after the breaking-off is finished, the hydraulic cylinder contracts to drive the movable frame 30 to be pulled back to the vertical state from the inclined state, so that the frames 31 which are staggered on the movable frame 30 are driven to be kept vertical again, and in the process that the hydraulic cylinder pulls the movable frame 30, the frames 31 move to the side close to the hydraulic cylinder, and the roller 34 away from the side of the hydraulic cylinder drives the boards or the building blocks which are staggered after the breaking-off to be kept vertical again. The time for vertically placing the plates or the building blocks after being broken off is consistent with the time for lengthening and shrinking, a plurality of plates or building blocks on one blank body can be quickly broken off and vertically placed after being broken off at one time, manual adjustment is not needed, the broken plates or building blocks can be conveniently and directly put in storage or delivered from the factory, a large amount of time for breaking off is saved, the structure is simple, the maintenance is convenient, the manufacturing cost is low, and the use is convenient.

Directional terms, such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., referred to in the present utility model are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Standard parts used in the file of the utility model can be purchased from market, and can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets, welding and the like in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, the control mode is controlled automatically by a controller, a control circuit of the controller can be realized by simple programming of a person skilled in the art, the utility model belongs to common general knowledge in the art, and the utility model is mainly used for protecting mechanical devices, so the utility model does not explain the control mode and circuit connection in detail.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (9)

1. The utility model provides an aerated concrete production is with breaking board device off with fingers and thumb, includes porch, crane and adjustable shelf, the porch sets up in the body transport track both sides, is equipped with the crane of door font between two porches, is equipped with adjustable shelf in the middle of the crane, its characterized in that: the bottom of the movable frame is movably connected with the lifting frame, and one side of the top of the movable frame is connected with the lifting frame through a hydraulic cylinder; the movable frame consists of a plurality of frames and movable rods, the frames are arranged at equal intervals along the movable rods in the vertical direction, and four corners of each frame are movably connected with the movable rods; the fixed rings which extend along the horizontal direction and are oppositely arranged are arranged on two sides in the frame, and rollers are arranged on the fixed rings.

2. The breaking-off device for aerated concrete production of claim 1, wherein: and racks are arranged on one sides of the two porches, which are close to the lifting frame.

3. The breaking-off device for aerated concrete production of claim 2, wherein: the lifting frame is characterized in that convex plates are arranged on two sides of the lifting frame, close to the porch, of the lifting frame, gears are fixed on the convex plates, and the gears are meshed with the racks.

4. The breaking-off device for aerated concrete production of claim 1, wherein: the four corners of the outer side of the frame are respectively provided with a connecting frame, and a plurality of frames are movably connected with the movable rods through the connecting frames.

5. The aerated concrete production breaking-off device according to claim 4, wherein: the lifting frame bottom is provided with an extension rod extending towards the direction of the movable frame and horizontally arranged, and the movable rod bottom is movably connected with the lifting frame through the extension rod.

6. The aerated concrete production breaking-off device according to claim 5, wherein: and a side lug is arranged on one side, close to the porch, of one frame, far away from the extension rod, of the lifting frame, and a swing foot rest is movably connected to the side lug.

7. The aerated concrete production breaking-off device according to claim 6, wherein: a cross rod is arranged at the upper part of one side, close to the side lugs, of the lifting frame, a hydraulic cylinder fixing seat is arranged on the cross rod, and the hydraulic cylinder fixing seat is arranged in a manner of being matched with the side lugs; a hydraulic cylinder is arranged between the hydraulic cylinder fixing seat and the swing foot rest, one end of the hydraulic cylinder is fixedly connected with the hydraulic cylinder fixing seat, and the other end of the hydraulic cylinder is fixedly connected with the swing foot rest.

8. The aerated concrete production-use breaking-off device according to claim 3, wherein: the porch is close to crane one side and all is equipped with sunken spacing groove, and spacing inslot is fixed with the rack.

9. The aerated concrete production breaking-off device of claim 8, wherein: two convex plates are arranged on one side, close to the porch, of each convex plate, two gear frames which are vertically arranged are arranged on each convex plate, gears are arranged on each gear frame, one side of each gear is connected with each gear frame, and the other side of each gear is meshed with each rack.