CN115306158B - Low type concrete spreader capable of preventing rollover and overturning and use method thereof - Google Patents

Abstract

The utility model discloses a low-type concrete spreader capable of preventing rollover, which comprises a power walking chassis, wherein a first storage box is arranged on the top wall of the power walking chassis, a first servo motor is arranged on the bottom wall of the first storage box, a top plate is arranged on the top of the first rotary base, symmetrically arranged storage blocks are arranged on the top of the top plate, grooves are formed in the front faces of two groups of storage blocks in a penetrating manner, protruding blocks are arranged in the grooves in a sliding manner, extension plates are arranged on the outer walls of one sides of the two groups of protruding blocks, and connecting holes are formed in the tops of the two groups of storage blocks and the protruding blocks in a penetrating manner; and a connecting screw rod is embedded in the connecting hole. According to the utility model, the power walking chassis, the object placing block, the extension plate and the connecting screw are arranged, the extension plate is arranged in the object placing block through the embedding of the connecting screw and the connecting hole, and the upper and lower structures of the original concrete spreader are changed into the bilateral arrangement structure, so that the probability of rollover of the concrete spreader is reduced.

Description

Low type concrete spreader capable of preventing rollover and overturning and use method thereof

Technical Field

The utility model relates to the technical field of engineering machinery equipment, in particular to a low type concrete spreader capable of preventing rollover and overturning and a use method thereof.

Background

The concrete spreader is an engineering mechanical device for conveying concrete and other granular materials to a construction working surface and uniformly spreading according to certain technological requirements, however, the existing concrete spreader has a higher center of gravity and can cause the risk of rollover and overturning of the whole machine under extreme conditions, so that a short-type rollover and overturning prevention concrete spreader is urgently needed.

The existing concrete spreader has the following defects:

1. patent document CN215714421U discloses a hose drag chain feedway that concrete spreader was used, belongs to concrete spreader part technical field. The hose drag chain feeding device for the concrete spreader is arranged on the concrete spreader, the concrete spreader is provided with a movable material distributing bin, and the movable material distributing bin is arranged on the movable frame; the method is characterized in that: the feeding device comprises a hose drag chain arranged along a main truss of the spreader and a feeding hose fixedly arranged in the hose drag chain; the movable support frame for fixing the movable end of the hose drag chain is fixedly arranged on the movable frame, the plurality of fixed support frames for hanging the hose drag chain are transversely arranged on the upper end face of the main truss, and one end of the hose drag chain is fixed with the main truss. The utility model is applied to a concrete spreader, can realize effective communication with a feed ground pump, and realize uninterrupted and continuous stable feeding of the concrete spreader by the feed ground pump, so as to ensure feeding efficiency;

2. patent document CN209942245U discloses a concrete spreader comprising a walking base, a main upright, a main swing arm, an auxiliary swing arm, a piping system, a terminal telescopic pipe, a main arm support leg, an auxiliary arm support leg, and a control system. According to the concrete spreader disclosed by the utility model, the walking base is utilized to move the whole machine, the tail end telescopic pipeline can be rotated to a designated pouring position by utilizing the two-stage rotating arm, the tail end telescopic pipeline can be ensured to synchronously shrink during pouring, so that the distance between the discharge hole of the tail end telescopic pipeline and the concrete liquid level is constant, the main arm supporting leg and the auxiliary arm supporting leg can synchronously lift the walking base, and the level of the two-stage rotating arm is kept, and the concrete spreader has the advantages of attractive structure, light weight, high control precision, capability of autonomous walking and the like, and can be applied to an intelligent filling scene with a complex ground environment;

3. patent document CN215629976U discloses a water conservancy and hydropower construction concrete spreader, including concrete spreader body, supporting platform, positioning mechanism and evenly distributed's support column, supporting platform installs in the lower extreme of concrete spreader body, the support column is installed in supporting platform's lower extreme. According to the utility model, through the cooperation of the chain, the first gear, the connecting rod, the helical blade, the limiting rod and the servo motor, after a worker moves the concrete spreader body to a designated position, the worker only needs to drive the chain to rotate clockwise through controlling the servo motor, the chain drives the limiting rod to rotate clockwise through the first gear, the limiting rod can drive the helical blade to screw into the ground through the connecting rod, so that the supporting platform is firmly fixed on the ground, the probability of vibration, movement or inclination when the concrete spreader body runs is greatly reduced, and the purpose of improving the running stability of the concrete spreader body is achieved;

4. patent document CN216949544U discloses a concrete spreader strutting arrangement, including backup pad, supporting legs, link and locating frame, a plurality of supporting legs are fixed in the downside of backup pad with the equipartition mode, link as an organic wholely through the link between each supporting legs, and the locating frame is fixed in the central point department of backup pad top surface, and the bottom surface of locating frame and support frame sets up the damping board respectively. After backup pad and supporting legs and link connect into whole support frame, have stable supporting property, firm reliable, whole support frame accessible supporting legs is arranged in face reinforcing bar top, and each stabilizer blade of concrete spreader is arranged in the locating frame on a whole support frame respectively, makes the stabilizer blade of concrete spreader avoid with the contact of reinforcing bar net face to avoid destroying the reinforcing bar net face. Vibration reduction plates are respectively attached to the bottom surfaces of supporting legs of the device and supporting plates in the positioning frames, so that the vibration effect during blanking of the concrete spreader can be reduced, and the concrete spreader is safe and reliable, but the concrete spreader in the above publication mainly considers how to reduce the vibration amplitude of the concrete spreader during use, and does not consider the problem that the existing concrete spreader is poor in stability during use.

Disclosure of Invention

The utility model aims to provide a low-type concrete spreader capable of preventing rollover and overturning and a use method thereof, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the low-type concrete spreader capable of preventing rollover comprises a power walking chassis, wherein a first storage box is arranged on the top wall of the power walking chassis, a first servo motor is arranged on the bottom wall of the first storage box, and a first rotating base is arranged at the output end of the first servo motor penetrating through the top of the power walking chassis;

the top of the first rotating base is provided with a top plate, the top of the top plate is provided with symmetrically arranged object placing blocks, the front surfaces of the two groups of object placing blocks are respectively provided with a groove in a penetrating mode, the interiors of the two groups of grooves are respectively provided with a convex block in a sliding mode, the outer walls of one sides of the two groups of convex blocks are respectively provided with an extension plate, and the tops of the two groups of object placing blocks and the top of the convex blocks are respectively provided with a connecting hole in a penetrating mode;

the connecting screw is installed in the internal embedding of connecting hole, the bottom of extension board is laminated mutually with the top of roof.

Preferably, the hydraulic pushrods arranged front and back are arranged at the bottoms of one group of the extending plates, the hydraulic pushrods are located on one side of the top plate, the anti-slip pads are arranged at the output ends of the two groups of the hydraulic pushrods, the second storage box is arranged at the bottom of one group of the extending plates, the second storage box is located in the middle of the two groups of the hydraulic pushrods, the second servo motor is arranged at the bottom wall of the second storage box, and the second rotating base is arranged at the output end of the second servo motor penetrating through the top of one group of the extending plates.

Preferably, another group the top of extension board runs through and is provided with notch and jack, and the jack is located the outside of notch, and the inserted bar is installed to the inside gomphosis of jack, and the weight box is installed on the top of inserted bar, and weight box and notch gomphosis mutually, and the top of weight box runs through and is provided with places the mouth, and the top cap is installed in the inside gomphosis of placing the mouth, and the pull ring is installed at the top of top cap, and the weight ball of evenly arranging has been placed to the inside of weight box, and the surface of inserted bar runs through and is provided with spacing hole, and the gag lever post is installed to the inside gomphosis in spacing hole.

Preferably, the article placing table is installed at the top of the second rotating base, the connecting seat is installed at the top of the article placing table, the material distributing arm support is installed on the outer wall of one side of the connecting seat in an embedded mode through the shaft piece, the feeding hopper is installed at the top of the connecting seat, the bottom end of the feeding hopper is located above the material distributing arm support, the connecting plates which are arranged in a front-back symmetrical mode are installed at the top of the connecting seat, the feeding device is installed on the surfaces, close to each other, of the four groups of connecting plates, the discharging hopper is installed on the front face of the feeding device, and the discharging hopper is located above the feeding hopper.

Preferably, the two groups of grooves are respectively communicated with the surfaces of the two groups of object placing blocks, which are far away from each other, the outer wall of one side of the extension plate is attached to the outer wall of one side of the object placing block, and the extension plate and the object placing block are positioned on the same horizontal plane;

the jack is provided with four groups, two front groups of inserting rods and two rear groups of inserting rods are connected together through limiting rods, the two groups of inserting rods and the limiting rods are combined together to form a concave structure, and the weight box is positioned on the other side of the top plate;

the object placing plate is arranged on the outer wall of the body side of the object placing table, the hydraulic oil cylinder is arranged at the top of the object placing plate, the output end of the hydraulic oil cylinder is connected with the bottom of the material distributing arm support through the shaft piece, the connecting plate is positioned at the rear of the material feeding hopper, and the object placing table can rotate under the action of the second rotating base.

Preferably, a power unit and a crane are arranged on the top of the top plate, and the power unit is positioned on one side of the crane.

Preferably, a cab is arranged at the top of the top plate, the cab is positioned at the other side of the crane, and a hydraulic unit is arranged on the back surface of the cab.

Preferably, the output end of the power walking base is provided with symmetrically arranged tracks, and the tracks are positioned below the top plate.

Preferably, the working steps of the concrete spreader are as follows:

s1, when the concrete spreader is used, firstly, the convex blocks are inserted into the grooves on the storage blocks, and the connecting screw rods are screwed into the connecting holes, so that the extension plates can be mounted on the top plate;

s2, installing a crane on the top of the top plate, so that the difficult problems of difficult assembly, maintenance and the like of the concrete material distribution unit on a construction site can be solved automatically; meanwhile, when the material distribution operation is not performed, the movable crane can be used as a movable crane, so that the flexibility of the concrete material distributor in use is improved, and the functions and the practicability of the concrete material distributor are improved;

s3, when the material feeding device is used, materials are conveyed into and out of the hopper through the material feeding device, then the materials can fall on the top of the material distribution arm support under the action of the material feeding hopper, and then the materials can be distributed through the material distribution arm support;

s4, the machine is changed into a plane symmetrical structure from an upper structure and a lower structure, the installation height of the whole machine is reduced, the gravity center of the machine is reduced, and when the hydraulic push rod is started, the anti-slip pad can be driven to contact with the ground, so that the bearing area of the concrete spreader is increased, and the stability of the concrete spreader in use is improved.

Preferably, in the step S1, the method further includes the following steps:

s11, placing the weight box into the notch, and then installing the weight box on one group of extension plates through the jogging of the inserted rod and the insertion hole;

s12, inserting a limiting rod into the limiting hole so that the limiting rod can be inserted into the front and rear sets of inserting rods, limiting the weight box through the limiting rod, pulling the pull ring upwards, pulling the top cover out of the placing opening, and then placing a proper amount of weight balls into the weight box according to actual needs;

in the step S3, the method further includes the following steps:

s31, in the material distribution process, a first servo motor in the first storage box is started, the first rotating base can be driven to rotate, then the extending plate can be driven to rotate under the action of the top plate, a second servo motor in the second storage box is started, the material placing table can be driven to rotate under the action of the second rotating base, then the material distribution arm support and the material feeding device can be driven to rotate, and the material distribution arm support can execute lifting and descending actions under the action of the hydraulic oil cylinder on the material placing plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. before the concrete spreader is used, the protruding blocks are inserted into the grooves, the connecting screws are screwed into the connecting holes, then the extending plates can be arranged in the object placing blocks, one group of the extending plates is provided with the material distributing arm support, the other group of the extending plates is provided with the weight boxes, and the structure of the concrete spreader is symmetrically arranged, so that the installation height of the concrete spreader is reduced, the gravity center of the concrete spreader is reduced, and the probability of rollover of the concrete spreader in use is reduced.

2. According to the concrete spreader, the hydraulic push rod, the anti-slip pad, the storage box II, the servo motor II and the rotating base II are arranged, when the concrete spreader is used for distributing materials, the hydraulic push rod is started firstly, so that the anti-slip pad is driven to be in contact with the ground, the bearing area of the concrete spreader can be increased, then the servo motor II in the storage box II is started, the rotating base II can be driven to rotate, then the material distributing arm support can be driven to rotate under the action of the material placing table, and the flexibility of the concrete spreader in use can be improved to a certain extent.

3. According to the concrete spreader, the notch, the weight box, the top cover and the counterweight balls are arranged, when the concrete spreader is used, the pull ring is pulled upwards, then the top cover can be pulled out of the placement opening, and the number of the counterweight balls can be increased or decreased in the weight box according to actual conditions, so that the purpose of changing the weight of the weight box is achieved, and the stability of the concrete spreader in use can be maintained to a certain extent.

4. According to the concrete spreader, the material placing table, the material distributing arm support, the feeding hopper, the feeding device and the discharging hopper are arranged, the feeding hopper is arranged on the material distributing arm support, the discharging hopper is arranged on the front face of the feeding device, then materials can be conveyed into and out of the hopper through the feeding device and fall into the hopper through the discharging hopper, finally the materials can fall on the material distributing arm support, and then the materials can be conveyed through the material distributing arm support, so that certain convenience can be provided for conveying the materials to a certain extent, and the practicability of the concrete spreader is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic plan assembly view of the track of the present utility model;

FIG. 3 is a schematic plan assembly view of the power running chassis of the present utility model;

FIG. 4 is a schematic view of a planar assembly structure of a first storage case and a first servo motor according to the present utility model;

FIG. 5 is a schematic view of an assembled structure of an extension board according to the present utility model;

FIG. 6 is a schematic diagram of an assembled structure of the weight box of the present utility model;

FIG. 7 is a schematic diagram illustrating an assembled structure of a second storage case according to the present utility model;

fig. 8 is a flow chart of the operation of the present utility model.

In the figure: 1. a power walking chassis; 2. a first storage box; 3. a servo motor I; 4. rotating the first base; 5. a top plate; 6. a storage block; 7. a groove; 8. a bump; 9. an extension plate; 10. a connection hole; 11. a connecting screw; 12. a power unit; 13. a crane; 14. a cab; 15. a track; 16. a hydraulic push rod; 17. an anti-slip pad; 18. a second storage box; 19. a servo motor II; 20. a second rotating base; 21. a storage table; 22. a connecting seat; 23. a material distribution arm support; 24. a feed hopper; 25. a connecting plate; 26. a feeding device; 27. discharging a hopper; 28. a notch; 29. a jack; 30. a weight box; 31. a rod; 32. a weight ball; 33. a top cover; 34. a limiting hole; 35. and a limit rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like 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.

Referring to fig. 2, 3, 4, 5 and 8, an embodiment of the present utility model is provided: the utility model provides a concrete spreader of low type preventing toppling of turning on one's side, including power walking chassis 1 and way track 15, power walking chassis 1's roof is installed storage tank one 2, servo motor one 3 is installed to the diapire of storage tank one 2, rotating base one 4 is installed to the top that servo motor one 3's output runs through power walking chassis, roof 5 is installed at rotating base one 4's top, the thing piece 6 of putting of symmetrical arrangement is installed at roof 5's top, the front of two sets of thing pieces 6 all runs through and is provided with recess 7, the inside of two sets of recess 7 all slidable mounting has lug 8, extension board 9 is all installed to the one side outer wall of two sets of lugs 8, the top of two sets of thing pieces 6 and lug 8 all runs through and is provided with connecting hole 10, the connecting screw 11 is installed to the inside gomphosis of connecting hole 10, the bottom of extension board 9 is laminated mutually with the top of roof 5, two sets of recesses 7 link up with the surface that two sets of thing pieces 6 kept away from each other respectively, one side outer wall of extension board 9 is laminated mutually with one side outer wall of putting thing piece 6, extension board 9 and thing piece 6 are located same horizontal plane, power unit 12 and crane 13 are installed at the top of roof 5, power unit 12 is located one side of crane 13, driver's cabin 14 is installed at the top of roof 5, and driver's cabin 14 is located the opposite side of crane 13, hydraulic unit is installed to the back of driver's cabin 14, symmetrical arrangement's way track 15 is installed to the output of power walking base 1, and the way track 15 is located the below of roof 5.

Furthermore, before the concrete spreader is used, the protruding blocks 8 are inserted into the grooves 7, and then the extension plates 9 are installed on the object placing blocks 6 through the combination of the connecting screw rods 11 and the connecting holes 10, so that the concrete spreader can be in a symmetrical arrangement structure, the installation height of the concrete spreader can be reduced, the center of the concrete spreader can be reduced, the probability of rollover and overturning of the concrete spreader during use can be reduced to a certain extent, and the difficult problems of difficult assembly, overhaul and the like of a concrete spreader set on a construction site can be automatically solved through the arrangement of the crane 13; meanwhile, when the material distribution operation is not performed, the movable crane 13 can be used, the flexibility of the concrete distributor in use is improved, the function of the concrete distributor is increased, in the subsequent use process, the first servo motor 3 in the first storage box 2 is started, the first rotary base 4 can be driven to rotate, then the two groups of extension plates 9 can be driven to rotate under the action of the top plate 5, and the flexibility of the concrete distributor in use can be improved to a certain extent.

Referring to fig. 7, an embodiment of the present utility model is provided: the utility model provides a concrete spreader of tilting is prevented turning on one's side, including hydraulic putter 16 and rotating base two 20, hydraulic putter 16 that the front and back was arranged is installed to the bottom of one set of extension board 9, and hydraulic putter 16 is located one side of roof 5, slipmat 17 is all installed to the output of two sets of hydraulic putter 16, storage tank two 18 are installed to the bottom of one set of extension board 9, and storage tank two 18 are located the centre of two sets of hydraulic putter 16, servo motor two 19 are installed to the diapire of storage tank two 18, rotating base two 20 are installed at the top of one set of extension board 9 in penetrating through the output of servo motor two 19.

Further, when using this concrete spreader cloth, at first start hydraulic push rod 16 to drive slipmat 17 and ground contact, make the support of machine width direction can be enlarged in the during operation of spreader, further keep the stability of machine, and then can increase the bearing area of concrete spreader to a certain extent, when the servo motor 19 in the storage tank two 18 is started, can drive rotating base two 20 and rotate, just then can drive the cloth cantilever crane 23 and the loading attachment 26 rotation on the connecting seat 22 under the effect of putting thing platform 21, thereby conveniently adjust concrete spreader according to actual need, and then can improve the flexibility when concrete spreader uses to a certain extent.

Referring to fig. 6, an embodiment of the present utility model is provided: the utility model provides a concrete spreader of tilting is prevented turning on one's side to low, including notch 28 and gag lever post 35, the top of another group extension board 9 runs through and is provided with notch 28 and jack 29, and jack 29 is located the outside of notch 28, jack 29's inside gomphosis is installed inserted bar 31, weight box 30 is installed on the top of inserted bar 31, and weight box 30 and notch 28 gomphosis mutually, the top of weight box 30 runs through and is provided with the placing port, top cap 33 is installed in the inside gomphosis of placing port, the pull ring is installed at the top of top cap 33, weight ball 32 of evenly arranging has been placed to weight box 30's inside, the surface of inserted bar 31 runs through and is provided with spacing hole 34, spacing hole 34's inside gomphosis is installed gag lever post 35, jack 29 is provided with four groups, two sets of inserted bars 31 in the place ahead and two sets of inserted bars 31 are connected together through gag lever post 35, two sets of inserted bars 31 and gag lever post 35 make up and are "concave" font structure together, weight box 30 is located the opposite side of roof 5.

Before the concrete spreader is used, the weight box 30 is placed in the notch 28 until the insert rod 31 can be embedded with the insertion hole 29, then the limit rod 35 is inserted into the limit hole 34, so that a certain limit effect is achieved, the weight box 30 can be firmly mounted on the extension plate 9, the pull ring is pulled upwards, the top cover 33 can be pulled out of the placement opening, and the weight balls 32 can be put into the weight box 30 according to actual requirements, so that the stability of the concrete spreader in use is improved.

Referring to fig. 1, an embodiment of the present utility model is provided: the utility model provides a concrete spreader of low type preventing toppling of turning on one's side, including putting thing platform 21 and ejection of compact fight 27, thing platform 21 is installed at the top of rotating base two 20, the connecting seat 22 is installed at the top of putting thing platform 21, the one side outer wall of connecting seat 22 is through embedded cloth cantilever crane 23 of installing of shaft piece, the feeder hopper 24 is installed at the top of connecting seat 22, and the bottom of feeder hopper 24 is located the top of cloth cantilever crane 23, the connecting plate 25 of front and back symmetrical arrangement is installed at the top of connecting seat 22, the surface mounting that four groups of connecting plates 25 are close to each other has loading attachment 26, the play hopper 27 is installed in the front of loading attachment 26, and ejection of compact fight 27 is located the top of feeder hopper 24, put the body side outer wall of thing platform 21 and install the thing board, the hydraulic cylinder is installed at the top of putting the thing board, the output of hydraulic cylinder is connected with the bottom of cloth 23 through the shaft piece, the connecting plate 25 is located the rear of feeder hopper 24, thing platform 21 can rotate under the effect of rotating base two 20.

Further, when using this concrete spreader, carry the material through loading attachment 26, along with the start-up of loading attachment 26, the material can remove thereupon, can drop in the inside of play hopper 27 at last, then the material that drops can fall into the inside of feeder hopper 24 under the effect of gravity, falls on cloth cantilever crane 23 through feeder hopper 24 at last, just then can carry the assigned position department with the material through cloth cantilever crane 23 to can improve concrete spreader's work efficiency to a certain extent.

Further, the working steps of the concrete spreader are as follows:

s1, when the concrete spreader is used, firstly, the convex blocks 8 are inserted into the grooves 7 on the object placing blocks 6, and the connecting screw rods 11 are screwed into the connecting holes 10, so that the extension plates 9 can be installed on the top plate 5;

s2, installing a crane 13 on the top of the top plate 5, so that the difficult problems of difficult assembly, maintenance and the like of the concrete material distribution unit on a construction site can be solved automatically; meanwhile, when the material distribution operation is not performed, the movable crane 13 can be used, so that the flexibility of the concrete distributor in use is improved, and the functions and the practicability of the concrete distributor are improved;

s3, when the material feeding device is used, materials are conveyed into and out of the hopper 27 through the material feeding device 26, then the materials can fall on the top of the material distribution arm support 23 under the action of the material feeding hopper 24, and then the materials can be distributed through the material distribution arm support 23;

s4, the machine is changed into a plane symmetrical structure from an upper structure and a lower structure, the installation height of the whole machine is reduced, the gravity center of the machine is reduced, and when the hydraulic push rod 16 is started, the anti-slip pad 17 can be driven to contact with the ground, so that the bearing area of the concrete spreader is increased, and the stability of the concrete spreader in use is improved.

In step S1, the method further includes the steps of:

s11, then placing the weight box 30 into the notch 28, and then installing the weight box 30 on one group of extension plates 9 through the jogging of the inserting rod 31 and the inserting hole 29;

s12, inserting a limiting rod 35 into the limiting hole 34, enabling the limiting rod 35 to be inserted into the front inserting rod 31 and the rear inserting rod 31, limiting the weight box 30 through the limiting rod 35, pulling the pull ring upwards, pulling the top cover 33 out of the placing opening, and placing a proper amount of weight balls 32 into the weight box 30 according to actual needs;

in step S3, the method further includes the steps of:

s31, in the material distribution process, a first servo motor 3 in a first storage box 2 is started, a first rotating base 4 can be driven to rotate, then an extension plate 9 can be driven to rotate under the action of a top plate 5, a second servo motor 19 in a second storage box 18 is started, a material placing table 21 can be driven to rotate under the action of a second rotating base 20, then a material distribution arm support 23 and a material feeding device 26 can be driven to rotate, and the material distribution arm support 23 can perform lifting and descending actions under the action of a hydraulic cylinder on the material placing plate.

Working principle: when the concrete spreader is used, firstly, the protruding blocks 8 are inserted into the grooves 7 on the object placing blocks 6, the connecting screw rods 11 are screwed into the connecting holes 10, so that the extension plates 9 can be installed on the object placing blocks 6, then the weight boxes 30 are placed into the grooves 28, the weight boxes 30 are limited through the embedding of the limiting rods 35 and the limiting holes 34, and then the pull rings are pulled upwards, so that a proper amount of weight balls 32 are conveniently placed into the weight boxes 30 according to actual needs, the concrete spreader is changed into a plane symmetrical structure from an upper structure to a lower structure, the overall installation height is reduced, the gravity center of the concrete spreader can be reduced, and when the hydraulic push rods 16 are started, the anti-slip pads 17 can be driven to contact with the ground, so that the bearing area of the concrete spreader is increased, the stability of the concrete spreader in use is improved, and the probability of rollover of the concrete spreader of the whole spreader can be reduced to a certain extent;

when the concrete spreader is used, materials are conveyed into and out of the hopper 27 through the feeding device 26, then the materials can fall on the top of the material distribution arm support 23 under the action of the feeding hopper 24, then the materials can be distributed through the material distribution arm support 23, in the material distribution process, the first rotary base 4 can drive the top plate 5 to rotate, the extension plate 9 can be driven to rotate, the second rotary base 20 can drive the material placing table 21 to rotate, then the material distribution arm support 23 and the feeding device 26 can be driven to rotate, the material distribution arm support 23 can perform lifting and descending actions under the action of the hydraulic oil cylinder on the material placing plate, and the flexibility of the concrete spreader in use can be improved to a certain extent.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. The utility model provides a concrete spreader of low type preventing turning on one's side upset, includes power walking chassis (1), its characterized in that: a first storage box (2) is arranged on the top wall of the power walking chassis (1), a first servo motor (3) is arranged on the bottom wall of the first storage box (2), and a first rotating base (4) is arranged at the output end of the first servo motor (3) penetrating through the top of the power walking chassis;

the top of the rotating base I (4) is provided with a top plate (5), the top of the top plate (5) is provided with symmetrically arranged object placing blocks (6), the front surfaces of the two groups of object placing blocks (6) are all penetrated and provided with grooves (7), the interiors of the two groups of grooves (7) are all provided with protruding blocks (8) in a sliding manner, the outer walls of one side of each protruding block (8) are all provided with an extension plate (9), and the tops of the two groups of object placing blocks (6) and the protruding blocks (8) are all penetrated and provided with connecting holes (10);

a connecting screw rod (11) is embedded in the connecting hole (10), and the bottom of the extension plate (9) is attached to the top of the top plate (5);

the bottom of one group of extension plates (9) is provided with a front-back arranged hydraulic push rod (16), the hydraulic push rods (16) are positioned on one side of the top plate (5), the output ends of the two groups of hydraulic push rods (16) are provided with anti-slip pads (17), the bottom of one group of extension plates (9) is provided with a second storage box (18), the second storage box (18) is positioned in the middle of the two groups of hydraulic push rods (16), the bottom wall of the second storage box (18) is provided with a second servo motor (19), and the output end of the second servo motor (19) penetrates through the top of one group of extension plates (9) to be provided with a second rotating base (20);

another group extending plate (9)'s top runs through and is provided with notch (28) and jack (29), and jack (29) are located notch (28) outside, inserted bar (31) is installed in the inside gomphosis of jack (29), weight box (30) are installed on the top of inserted bar (31), and weight box (30) are gomphosis mutually with notch (28), place the mouth runs through in the top of weight box (30), top cap (33) are installed in the inside gomphosis of placing the mouth, pull ring is installed at the top of top cap (33), weight ball (32) of evenly arranging are placed in the inside of weight box (30), the surface of inserted bar (31) runs through and is provided with spacing hole (34), spacing pole (35) are installed in the inside gomphosis of spacing hole (34).

2. The low profile rollover prevention concrete spreader of claim 1, wherein: the utility model discloses a rotary pedestal, including rotary pedestal, connecting seat (22), material hopper (24) are installed at the top of rotary pedestal (20), material hopper (24) are installed at the top of connecting seat (22), and the bottom of material hopper (24) is located the top of material hopper (23), connecting plate (25) of front and back symmetrical arrangement are installed at the top of connecting seat (22), and surface mounting that four groups of connecting plates (25) are close to each other has loading attachment (26), and play hopper (27) are installed in the front of loading attachment (26), and go out hopper (27) and be located the top of material hopper (24).

3. A low profile rollover prevention concrete spreader as defined in claim 2, wherein: the two groups of grooves (7) are respectively communicated with the surfaces of the two groups of object placing blocks (6) which are far away from each other, the outer wall of one side of the extension plate (9) is attached to the outer wall of one side of the object placing block (6), and the extension plate (9) and the object placing block (6) are positioned on the same horizontal plane;

the jack (29) is provided with four groups, two front groups of inserting rods and two rear groups of inserting rods (31) are connected together through a limiting rod (35), the two groups of inserting rods (31) and the limiting rod (35) are combined together to form a concave structure, and the weight box (30) is positioned on the other side of the top plate (5);

the object placing plate is arranged on the outer wall of the body side of the object placing table (21), the hydraulic oil cylinder is arranged at the top of the object placing plate, the output end of the hydraulic oil cylinder is connected with the bottom of the material distributing arm support (23) through the shaft piece, the connecting plate (25) is located at the rear of the material feeding hopper (24), and the object placing table (21) can rotate under the action of the rotating base II (20).

4. The low profile rollover prevention concrete spreader of claim 1, wherein: the top of the top plate (5) is provided with a power unit (12) and a crane (13), and the power unit (12) is positioned on one side of the crane (13).

5. The low profile rollover prevention concrete spreader of claim 4, wherein: the top of the top plate (5) is provided with a cab (14), the cab (14) is positioned on the other side of the crane (13), and the back of the cab (14) is provided with a hydraulic unit.

6. The low profile rollover prevention concrete spreader of claim 1, wherein: the output end of the power walking chassis (1) is provided with symmetrically arranged tracks (15), and the tracks (15) are positioned below the top plate (5).

7. The method of using a low profile rollover prevention concrete spreader as defined in any one of claims 1-4, wherein the concrete spreader comprises the steps of:

s1, when the concrete spreader is used, firstly, the convex blocks (8) are inserted into the grooves (7) on the storage blocks (6), and the connecting screw rods (11) are screwed into the connecting holes (10), so that the extension plates (9) can be installed on the top plate (5);

s2, installing a crane (13) on the top of the top plate (5) to automatically solve the problem that the concrete material distribution unit is difficult to assemble, overhaul and hoist on a construction site; meanwhile, when the material distribution operation is not performed, the movable crane (13) can be used, so that the flexibility of the concrete material distributor in use is improved, and the functions and the practicability of the concrete material distributor are improved;

s3, when the material feeding device is used, materials are conveyed into and out of the hopper (27) through the feeding device (26), then the materials can fall on the top of the material distribution arm support (23) under the action of the feeding hopper (24), and then the materials can be distributed through the material distribution arm support (23);

s4, the machine is changed into a plane symmetrical structure from an upper structure and a lower structure, the installation height of the whole machine is reduced, the gravity center of the machine is reduced, and when the hydraulic push rod (16) is started, the anti-slip pad (17) can be driven to be in contact with the ground, so that the bearing area of the concrete spreader is increased, and the stability of the concrete spreader in use is improved.

8. The method of claim 7, wherein in step S1, the method further comprises the steps of:

s11, placing the weight box (30) into the notch (28), and then installing the weight box (30) on one group of extension plates (9) through the engagement of the inserting rod (31) and the inserting hole (29);

s12, inserting a limiting rod (35) into the limiting hole (34) so that the limiting rod (35) can be inserted into the front and rear inserting rods (31), limiting the weight box (30) through the limiting rod (35), pulling the pull ring upwards, pulling the top cover (33) out of the placing opening, and then placing a proper amount of weight balls (32) into the weight box (30) according to actual needs;

in step S3, the method further includes the steps of:

s31, in the material distribution process, a first servo motor (3) in the first storage box (2) is started, the first rotary base (4) can be driven to rotate, then the extension plate (9) can be driven to rotate under the action of the top plate (5), a second servo motor (19) in the second storage box (18) is started, the material placing table (21) can be driven to rotate under the action of the second rotary base (20), then the material distribution arm support (23) and the feeding device (26) can be driven to rotate, and lifting and descending actions can be executed under the action of a hydraulic cylinder on the material placing plate by the material distribution arm support (23).