CN221738865U

CN221738865U - Aggregate tower bucket of concrete

Info

Publication number: CN221738865U
Application number: CN202420122092.XU
Authority: CN
Inventors: 齐林耀; 钱忠辉
Original assignee: Ningbo Ningdong Concrete Co ltd
Current assignee: Ningbo Ningdong Concrete Co ltd
Priority date: 2024-01-18
Filing date: 2024-01-18
Publication date: 2024-09-20
Anticipated expiration: 2034-01-18

Abstract

The utility model relates to a concrete aggregate tower hopper, which comprises a tower and a hopper fixed in the tower, wherein a rectangular cabin is formed upwards at the top opening of the hopper, a crushing device is further arranged in the rectangular cabin, the crushing device comprises a seat block fixed between the front inner wall and the rear inner wall of the rectangular cabin, a crushing motor fixed between the front inner wall and the rear inner wall of the rectangular cabin and positioned below the right side of the seat block, a rotary wheel arranged below the left side of the seat block and vertically distributed, a main shaft concentrically and transversely inserted and fixed in the rotary wheel, a belt pulley concentrically fixed on the rotary shaft of the crushing motor, a traction belt sleeved on the belt pulley and the rotary, a fixed jaw plate obliquely fixed between the front inner wall and the rear inner wall of the rectangular cabin and positioned at the left side of the rotary wheel, and a movable jaw mechanism connected on the main shaft and mutually matched with the fixed jaw plate; the utility model has the crushing function and the material storage function, thereby achieving the effects of time and labor saving; meanwhile, the use is greatly facilitated, and the application occasions are expanded.

Description

Aggregate tower bucket of concrete

Technical Field

The utility model relates to a concrete aggregate tower bucket.

Background

The concrete is a mixture obtained by mixing cement serving as a cementing material, sand and stone serving as aggregates and water (which can contain additives and admixtures) according to a certain proportion and stirring; concrete aggregate refers to granular loose materials that act as a skeleton or filler in concrete; to save material, the building waste in the form of pieces is generally crushed for use as concrete aggregate and stored in a hopper; therefore, the existing crushing equipment and the hopper are separated, crushed aggregate is conveyed into the hopper by means of a conveying belt, the conveying process is time-consuming and labor-consuming, and the existing hopper can only be hung on the lifting equipment and moved along with the lifting equipment and cannot be placed on the flat ground, so that the novel aggregate crusher is inconvenient to use, is single in application occasion and needs to be further improved.

Disclosure of utility model

Aiming at the current state of the prior art, the utility model aims to provide the aggregate tower hopper which integrates the crushing function into the hopper so as to achieve the effect of time and labor saving, and can be placed on a flat ground to be used in a fixed state, thereby greatly facilitating the use of concrete in an expanded application occasion.

The technical scheme adopted for solving the technical problems is as follows: the aggregate tower bucket for concrete is characterized by comprising a tower and a hopper fixed in the tower, wherein a rectangular cabin is upwards formed at the top opening of the hopper, a crushing device is further arranged in the rectangular cabin, the crushing device comprises a seat block fixed between the front inner wall and the rear inner wall of the rectangular cabin, a crushing motor fixed between the front inner wall and the rear inner wall of the rectangular cabin and positioned at the right lower part of the seat block, a rotary wheel arranged at the left lower part of the seat block and vertically distributed, a main shaft concentrically and transversely inserted and fixed in the rotary wheel, a belt wheel concentrically fixed on the rotary shaft of the crushing motor, a traction belt sleeved on the belt wheel and the rotary wheel, a fixed jaw plate obliquely fixed between the front inner wall and the rear inner wall of the rectangular cabin and positioned at the left part of the rotary wheel, and a movable jaw mechanism connected on the main shaft and mutually matched with the fixed jaw plate, both ends of the main shaft are rotatably connected on the seat block, the movable jaw mechanism comprises two eccentric swing arms which are respectively and symmetrically arranged at the front side and the rear side of the rotary wheel, a first traction block which is arranged at the left side of the two eccentric swing arms, a second traction block which is arranged at the right side of the two eccentric swing arms, an extrusion plate which is obliquely arranged at the left side of the first traction block, and a movable jaw plate which is obliquely fixed at the left side of the extrusion plate, wherein two ends of the main shaft are outwards provided with an eccentric shaft which is arranged in a front-rear symmetrical manner, the upper ends of the two eccentric swing arms are respectively and rotatably connected to the two eccentric shafts, the left side of the first traction block is rotatably connected to the lower side of the extrusion plate, the right side of the first traction block and the left side of the second traction block are rotatably and concentrically connected between the lower ends of the two eccentric swing arms, the upper side of the extrusion plate and the right side of the second traction block are rotatably connected between the inner walls of the front side and the rear side of the rectangular cabin, the distance between the upper side of the fixed jaw plate and the upper side of the movable jaw plate is larger than the distance between the lower side of the fixed jaw plate and the lower side of the movable jaw plate; a plurality of fixed crushing teeth which are sequentially arranged from top to bottom are outwards formed on the outer wall of the right side of the fixed jaw plate, and correspondingly, a plurality of movable crushing teeth which are sequentially arranged from top to bottom are outwards formed on the outer wall of the left side of the movable jaw plate, and the plurality of movable crushing teeth and the plurality of fixed crushing teeth are mutually distributed at intervals; a rectangular hole is formed in the outer walls of the left side and the right side of the hopper, a detachable vibrating plate is further fixed on the inner walls of the left side and the right side of the hopper, the vibrating plates are respectively arranged on the inner sides of the two rectangular holes, a vibrating motor is further fixed on the outer walls of the vibrating plates, and the vibrating motors are respectively arranged outside the hopper.

Preferably, a plurality of support bars which are vertically arranged and distributed from left to right are fixed on the front side and the rear side of the tower frame, the cross section of each support bar is U-shaped, first slotted holes which run vertically are formed in the outer walls of the front side and the rear side of the rectangular cabin, the two support bars are symmetrically arranged in the front side and the rear side and are respectively located on the inner sides of the two support bars which are symmetrically arranged in the front side and the rear side, correspondingly, second slotted holes which run vertically are respectively formed in the two support bars which are respectively located on the outer sides of the two first slotted holes, and the two second slotted holes are symmetrically arranged in the front side and the rear side and are respectively matched with the two first slotted holes.

Preferably, the crushing device further comprises a tensioning roller arranged in the rectangular cabin and between the belt wheel and the rotary wheel, two supporting bars respectively positioned at the outer sides of the two first slotted holes are respectively provided with a sliding block capable of moving up and down, the centers of two ends of the tensioning roller are outwards provided with a short shaft, and each short shaft sequentially and outwards penetrates through one first slotted hole and one second slotted hole at the same side and is rotatably connected to one sliding block at the same side.

Preferably, the two sides around the top of pylon still alternate the spiro union and have a screw rod of vertical setting, two the lower extreme of screw rod respectively downwardly extending to two support bars that all are equipped with the slider and rotatable connection respectively on two sliders, two the upper end of screw rod is all outwards formed with the section of bending.

Preferably, an annular limiting groove is formed in the outer peripheral surface of the tensioning roller, the tensioning roller is pressed on the outer wall of the lower portion of the traction belt, and the lower portion of the traction belt is movably embedded into the annular limiting groove.

Preferably, the bottom opening part of the hopper is further provided with a discharge valve, the discharge valve comprises two cross beams which are respectively and transversely fixed on the front side and the rear side of the tower, two movable units which are symmetrically arranged between the two cross beams, and two discharge cylinders which are respectively and transversely distributed between the two movable units, arc edges are formed on the edges of the front side and the rear side of the bottom opening part of the hopper, the movable units comprise an arc sealing plate which is in sliding fit with the two arc edges, two traction plates which are fixed on the arc sealing plate and are respectively and longitudinally symmetrically arranged outside the hopper, and two swing pieces which are respectively and rotatably connected to the two traction plates and are longitudinally and symmetrically distributed, the upper ends of the two traction plates are concentrically and rotatably connected to the two cross beams, the fixed end and the telescopic end of one discharge cylinder are respectively and rotatably connected to the end parts of the two swing pieces on the front side, and the fixed end and the telescopic end of the other discharge cylinder on the rear side are respectively and rotatably connected to the end parts of the two swing pieces on the rear side.

Preferably, the upper ends of the two traction plates in each movable unit are also fixed with a gear which is concentrically arranged, the center of each gear coincides with the rotation center of the two traction plates, and the two gears in the left movable unit are respectively meshed with the two gears in the right movable unit.

Preferably, a bottom beam which is transversely arranged is also fixed on the left side and the right side of the bottom of the tower; a ladder stand is also fixed on the front side and the rear side of the tower; two lifting lugs which are arranged in a front-back symmetrical mode are fixed on the left side and the right side of the tower frame.

Preferably, the left lower side of the seat block is provided with two supporting frames which are arranged in a front-back symmetrical mode, the main shaft is transversely and rotatably connected in the two supporting frames in a penetrating mode, the rotary wheel and the traction belt are arranged between the two supporting frames, and the two eccentric swing arms are respectively arranged on the outer sides of the two supporting frames.

Compared with the prior art, the utility model has the advantages that: according to the utility model, the crushing function is integrated in the hopper, so that the hopper has the crushing function and the storage function, and further, the process of conveying crushed aggregate into the hopper is thoroughly omitted, and the effects of time and labor saving are achieved; meanwhile, the hopper can be used in a moving state by means of the tower and the two bottom beams, and can be placed on a flat ground to be used in a fixed state, so that the hopper is greatly convenient to use and applicable occasions are expanded.

Drawings

FIG. 1 is a right front side exploded view of the present utility model;

FIG. 2 is a right front bottom view of the discharge valve of the present utility model;

Fig. 3 is a left front side exploded view of the crushing apparatus of the present utility model.

Detailed Description

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

In order to keep the following description of the embodiments of the present utility model clear and concise, the detailed description of known functions and known components thereof have been omitted.

As shown in fig. 1 to 3, an aggregate tower hopper for concrete comprises a tower 1 and a hopper 2 fixed in the tower 1, wherein a rectangular cabin 21 is formed upwards at the top opening of the hopper 2, a crushing device 3 is also arranged in the rectangular cabin 21, the crushing device 3 comprises a seat block 31 fixed between the inner walls of the front side and the rear side of the rectangular cabin 21, a crushing motor 32 fixed between the inner walls of the front side and the rear side of the rectangular cabin 21 and positioned at the right lower part of the seat block 31, a rotary wheel 33 arranged at the left lower part of the seat block 31 and vertically distributed, a main shaft 313 concentrically and transversely inserted and fixed in the rotary wheel 33, a belt pulley 312 concentrically fixed on the rotary shaft of the crushing motor 32, a traction belt 310 sleeved on the belt pulley 312 and the rotary wheel 33, a fixed jaw plate 34 obliquely fixed between the inner walls of the front side and the rear side of the rectangular cabin 21 and positioned at the left part of the rotary wheel 33, and a movable jaw mechanism connected on the main shaft 313 and mutually matched with the fixed jaw plate 34, the two ends of the main shaft 313 are rotatably connected to the seat block 31, the movable jaw mechanism comprises two eccentric swing arms 39 which are symmetrically arranged at the front side and the rear side of the rotary wheel 33 respectively, a first traction block 37 which is arranged at the left side of the two eccentric swing arms 39, a second traction block 38 which is arranged at the right side of the two eccentric swing arms 39, an extrusion plate 35 which is obliquely arranged at the left side of the first traction block 37, and a movable jaw plate 36 which is obliquely fixed at the left side of the extrusion plate 35, the two ends of the main shaft 313 are outwards formed with an eccentric shaft 3131 which is symmetrically arranged at the front side and the rear side, the upper ends of the two eccentric swing arms 39 are rotatably connected to the two eccentric shafts 3131 respectively, the left side of the first traction block 37 is rotatably connected to the lower side of the extrusion plate 35, the right side of the first traction block 37 and the left side of the second traction block 38 are rotatably concentrically connected between the lower ends of the two eccentric swing arms 39, the upper side of the extrusion plate 35 and the right side of the second traction block 38 are rotatably connected between the inner walls of the front side and the rear side of the rectangular cabin 21, and the distance between the fixed jaw 34 and the upper side of the movable jaw 36 is larger than the distance between the fixed jaw 34 and the lower side of the movable jaw 36; a plurality of fixed crushing teeth 341 which are sequentially arranged from top to bottom are outwards formed on the outer wall of the right side of the fixed jaw plate 34, and correspondingly, a plurality of movable crushing teeth 361 which are sequentially arranged from top to bottom are outwards formed on the outer wall of the left side of the movable jaw plate 36, and the plurality of movable crushing teeth 361 and the plurality of fixed crushing teeth 341 are mutually distributed at intervals; a rectangular hole 22 is formed in the outer walls of the left side and the right side of the hopper 2, a detachable vibrating plate 4 is further fixed on the inner walls of the left side and the right side of the hopper 2, the two vibrating plates 4 are respectively arranged on the inner sides of the two rectangular holes 22, a vibrating motor 5 is further fixed on the outer walls of the two vibrating plates 4, and the two vibrating motors 5 are respectively arranged outside the hopper 2.

The front side and the rear side of the tower 1 are also fixedly provided with a plurality of support bars 6 which are vertically arranged and sequentially distributed from left to right, the cross section of each support bar 6 is U-shaped, the outer walls of the front side and the rear side of the rectangular cabin 21 are provided with a first slotted hole 23 which runs vertically, the two first slotted holes 23 are arranged in a front-rear symmetrical mode and are respectively positioned at the inner sides of the two support bars 6 which are symmetrical front and rear, correspondingly, the two support bars 6 which are respectively positioned at the outer sides of the two first slotted holes 23 are respectively provided with a second slotted hole 61 which runs vertically, and the two second slotted holes 61 are arranged in a front-rear symmetrical mode and are respectively matched with the two first slotted holes 23.

The crushing device 3 further comprises a tensioning roller 311 arranged in the rectangular cabin 21 and between the belt pulley 312 and the rotary wheel 33, a sliding block 314 capable of moving up and down is further arranged in the two supporting bars 6 respectively positioned outside the two first slotted holes 23, the centers of two ends of the tensioning roller 311 are outwards formed with a short shaft 3111, and each short shaft 3111 sequentially and outwards passes through one first slotted hole 23 and one second slotted hole 61 on the same side and is rotatably connected to one sliding block 314 on the same side.

The front side and the rear side of the top of the tower 1 are also respectively inserted with a screw 315 in a vertical arrangement, the lower ends of the two screws 315 respectively extend downwards into two support bars 6 respectively provided with sliding blocks 314 and are respectively and rotatably connected to the two sliding blocks 314, and the upper ends of the two screws 315 are respectively and outwards provided with a bending section 3151.

An annular limiting groove 3112 is formed on the outer circumferential surface of the tension roller 311, and the tension roller 311 is pressed against the outer wall of the lower portion of the traction belt 310 and enables the lower portion of the traction belt 310 to be movably embedded in the annular limiting groove 3112 so as to prevent the traction belt 310 from moving back and forth during operation.

The bottom opening part of the hopper 2 is also provided with a discharge valve 7, the discharge valve 7 comprises two cross beams 76 which are respectively and transversely fixed on the front side and the rear side of the tower 1, two left and right symmetrically arranged movable units between the two cross beams 76, and two discharge cylinders 74 which are respectively and symmetrically arranged between the two movable units and are respectively and rotationally connected with the ends of the two front swing plates 75, the edges of the front side and the rear side of the bottom opening part of the hopper 2 are respectively formed with arc edges 24, the movable units comprise an arc sealing plate 71 which is in sliding fit with the two arc edges 24, two traction plates 72 which are respectively and rotationally fixed on the arc sealing plate 71 and are respectively and symmetrically arranged outside the hopper 2, and two swing plates 75 which are respectively and rotationally connected with the two traction plates 72 and are respectively and rotationally arranged on the two cross beams 76, the fixed end and the telescopic end of one discharge cylinder 74 at the front side is respectively and rotationally connected with the ends of the two swing plates 75 at the rear side.

The upper ends of the two traction plates 72 in each movable unit are also fixed with a gear 73 concentrically arranged, the center of each gear 73 coincides with the rotation center of the two traction plates 72, and the two gears 73 in the left movable unit are respectively meshed with the two gears 73 in the right movable unit.

The left side and the right side of the bottom of the tower 1 are also fixed with a bottom beam 8 which is transversely arranged.

A ladder stand 9 is also fixed on the front side and the rear side of the tower 1.

Two lifting lugs 10 which are symmetrically arranged front and back are also fixed on the left side and the right side of the tower 1.

The left lower side of the seat block 31 is externally provided with two support frames 3101 which are arranged symmetrically in front-back direction, the main shaft 313 is transversely and rotatably connected in the two support frames 3101 in a penetrating way, the rotary wheel 33 and the traction belt 310 are arranged between the two support frames 3101, and the two eccentric swing arms 39 are respectively arranged on the outer sides of the two support frames 3101.

The using method comprises the following steps: pouring the recycled concrete blocks between the fixed jaw 34 and the movable jaw 36, starting a crushing motor 32 in the crushing device 3 to enable a rotating shaft of the crushing motor to rotate, driving a main shaft 313 to rotate by means of a belt pulley 312, a rotary pulley 33 and a traction belt 310, driving upper ends of two eccentric swing arms 39 to eccentrically rotate by means of two eccentric shafts 3131 respectively, driving lower ends of the two eccentric swing arms 39 to horizontally reciprocate by means of a second traction block 38 in the movable jaw mechanism, driving the lower side of a squeezing plate 35 to horizontally reciprocate by means of a first traction block 37, continuously changing the interval between the movable jaw 36 and the fixed jaw 34, crushing the concrete blocks between the fixed jaw 34 and the movable jaw 36, and enabling the crushed concrete blocks to fall down a certain distance and be again fixed jaw 34 and the movable jaw 36 until the width of the crushed concrete blocks is smaller than the maximum interval between the fixed jaw 34 and the lower side of the movable jaw 36, and then manufacturing concrete aggregate; the concrete aggregate then falls into the hopper 2 and is stored.

In the initial state, the inner sides of the arc-shaped sealing plates 71 in the two movable units are mutually attached, the bottom opening of the hopper 2 is sealed, and concrete aggregate in the hopper 2 cannot be discharged; when the material is required to be discharged, the telescopic ends of the two discharging cylinders 74 in the discharging valve 7 are simultaneously driven to extend outwards, and then the two traction plates 72 on the front side and the lower ends of the two traction plates 72 on the rear side are driven to swing outwards by means of the two swinging sheets 75 on each discharging cylinder 74, so that the arc-shaped sealing plates 71 in the two movable units are driven to slide outwards along the two arc-shaped edges 24, and then the bottom opening of the hopper 2 is gradually opened, so that concrete aggregate in the hopper 2 can be discharged outwards.

If the concrete aggregate in the hopper 2 is blocked in the unloading process, the two vibrating motors 5 can be started to work simultaneously, so that the two vibrating plates 4 are driven to vibrate at high frequency, and the inner walls of the two vibrating plates 4 are in direct contact with the concrete aggregate, and the two vibrating plates 4 can frequently deform by utilizing the elasticity of the two vibrating motors 5 under the vibration action of the two vibrating motors, so that the concrete aggregate in the hopper 2 vibrates, and the blocking is eliminated.

The lifting hook of the lifting device can lift and move the utility model to a designated position integrally by means of the four lifting lugs 10, can discharge in a lifted state, can be placed on a flat ground by means of the bottom beam 8, and can be used as a fixed hopper and a movable hopper, so that the use is flexible and convenient.

The top of the rectangular cabin 21 can be reached by any one of the ladders 9 and the ladder enters the rectangular cabin 21 through the top opening of the rectangular cabin 21, so that the crushing device 3 and the inside of the hopper 2 can be overhauled.

If the tightness of the traction belt 310 is to be adjusted, the bending section 3151 on one of the screws 315 can be held by hand and rotated, so that the sliding blocks 314 are driven to move downwards or upwards along the corresponding one of the supporting bars 6 according to the principle of spiral connection, and then the height of the other sliding block 314 is adjusted to be symmetrical back and forth by the two sliding blocks 314 according to the same method, so that the height of the tensioning roller 311 is adjusted by the two sliding blocks 314, and if the tensioning roller 311 moves downwards, the traction belt 310 is loosened, and otherwise the traction belt 310 is tensioned.

According to the utility model, the crushing function is integrated in the hopper 2, so that the hopper 2 has the crushing function and the storage function, and further, the process of conveying crushed aggregate into the hopper 2 is thoroughly omitted, and the effects of time and labor saving are achieved; meanwhile, the hopper 2 can be used in a moving state by means of the tower frame 1 and the two bottom beams 8, and can be placed on a flat ground to be used in a fixed state, so that the use is greatly facilitated, and the application occasions are widened.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; while the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that modifications may be made to the techniques described in the foregoing embodiments, or that certain features may be substituted for those illustrated therein; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The aggregate tower bucket for concrete is characterized by comprising a tower and a hopper fixed in the tower, wherein a rectangular cabin is upwards formed at the top opening of the hopper, a crushing device is further arranged in the rectangular cabin, the crushing device comprises a seat block fixed between the front inner wall and the rear inner wall of the rectangular cabin, a crushing motor fixed between the front inner wall and the rear inner wall of the rectangular cabin and positioned at the right lower part of the seat block, a rotary wheel arranged at the left lower part of the seat block and vertically distributed, a main shaft concentrically and transversely inserted and fixed in the rotary wheel, a belt wheel concentrically fixed on the rotary shaft of the crushing motor, a traction belt sleeved on the belt wheel and the rotary wheel, a fixed jaw plate obliquely fixed between the front inner wall and the rear inner wall of the rectangular cabin and positioned at the left part of the rotary wheel, and a movable jaw mechanism connected on the main shaft and mutually matched with the fixed jaw plate, both ends of the main shaft are rotatably connected on the seat block, the movable jaw mechanism comprises two eccentric swing arms which are respectively and symmetrically arranged at the front side and the rear side of the rotary wheel, a first traction block which is arranged at the left side of the two eccentric swing arms, a second traction block which is arranged at the right side of the two eccentric swing arms, an extrusion plate which is obliquely arranged at the left side of the first traction block, and a movable jaw plate which is obliquely fixed at the left side of the extrusion plate, wherein two ends of the main shaft are outwards provided with an eccentric shaft which is arranged in a front-rear symmetrical manner, the upper ends of the two eccentric swing arms are respectively and rotatably connected to the two eccentric shafts, the left side of the first traction block is rotatably connected to the lower side of the extrusion plate, the right side of the first traction block and the left side of the second traction block are rotatably and concentrically connected between the lower ends of the two eccentric swing arms, the upper side of the extrusion plate and the right side of the second traction block are rotatably connected between the inner walls of the front side and the rear side of the rectangular cabin, the distance between the upper side of the fixed jaw plate and the upper side of the movable jaw plate is larger than the distance between the lower side of the fixed jaw plate and the lower side of the movable jaw plate; a plurality of fixed crushing teeth which are sequentially arranged from top to bottom are outwards formed on the outer wall of the right side of the fixed jaw plate, and correspondingly, a plurality of movable crushing teeth which are sequentially arranged from top to bottom are outwards formed on the outer wall of the left side of the movable jaw plate, and the plurality of movable crushing teeth and the plurality of fixed crushing teeth are mutually distributed at intervals; a rectangular hole is formed in the outer walls of the left side and the right side of the hopper, a detachable vibrating plate is further fixed on the inner walls of the left side and the right side of the hopper, the vibrating plates are respectively arranged on the inner sides of the two rectangular holes, a vibrating motor is further fixed on the outer walls of the vibrating plates, and the vibrating motors are respectively arranged outside the hopper.

2. The concrete aggregate tower hopper according to claim 1, wherein a plurality of support bars which are vertically arranged and distributed in sequence from left to right are fixed on the front side and the rear side of the tower, the cross section of each support bar is U-shaped, first slotted holes which run vertically are formed in the outer walls of the front side and the rear side of the rectangular cabin, two first slotted holes are symmetrically arranged in the front side and the rear side and are respectively located on the inner sides of two support bars which are symmetrical in the front side and the rear side, and correspondingly, two second slotted holes which run vertically are formed in the two support bars which are respectively located on the outer sides of the two first slotted holes and are respectively arranged in the front side and the rear side and are respectively matched with the two first slotted holes.

3. The concrete aggregate tower hopper as recited in claim 2, wherein the crushing device further comprises tensioning rollers arranged in the rectangular cabin and between the belt wheels and the rotary wheels, two supporting bars respectively positioned outside the two first slotted holes are respectively provided with a sliding block capable of moving up and down, the centers of two ends of the tensioning rollers are respectively outwards formed with a short shaft, and each short shaft sequentially and outwards passes through one first slotted hole and one second slotted hole on the same side and is rotatably connected to one sliding block on the same side.

4. The aggregate tower bucket of concrete according to claim 3, wherein a screw rod vertically arranged is inserted in the front side and the rear side of the top of the tower, the lower ends of the two screw rods respectively extend downwards into two supporting bars respectively provided with sliding blocks and are respectively and rotatably connected to the two sliding blocks, and the upper ends of the two screw rods are respectively and outwards provided with a bending section.

5. The concrete aggregate tower hopper as recited in claim 4, wherein the tensioning roller has an annular limiting groove formed in an outer peripheral surface thereof, and the tensioning roller is pressed against an outer wall of a lower portion of the traction belt and movably embeds the lower portion of the traction belt in the annular limiting groove.

6. The concrete aggregate tower hopper as recited in claim 5, wherein the bottom opening of the hopper is further provided with a discharge valve, the discharge valve comprises two cross beams respectively and transversely fixed on the front side and the rear side of the tower, two movable units symmetrically arranged between the two cross beams, and two discharge cylinders respectively and longitudinally symmetrically arranged between the two movable units, the edges of the front side and the rear side of the bottom opening of the hopper are respectively formed with arc edges, the movable units comprise an arc sealing plate which is in sliding fit with the two arc edges, two traction plates which are fixed on the arc sealing plate and respectively and longitudinally symmetrically arranged on the outside of the hopper, and two swing pieces respectively and rotatably connected to the two traction plates and longitudinally symmetrically arranged, the upper ends of the two traction plates are respectively and concentrically and rotatably connected to the two cross beams, the fixed end and the telescopic end of one discharge cylinder on the front side are respectively and rotatably connected to the ends of the two swing pieces on the front side, and the fixed end and the telescopic end of one discharge cylinder on the rear side are respectively and rotatably connected to the two swing pieces on the rear side.

7. The concrete aggregate tower hopper as recited in claim 6, wherein the upper ends of two of said pulling plates in each movable unit are further fixed with a gear concentrically disposed, the center of each of said gears coincides with the center of rotation of the two pulling plates, and two of said gears in one movable unit on the left are intermeshed with two gears in one movable unit on the right, respectively.

8. The concrete aggregate tower hopper as recited in claim 7, wherein a bottom beam is also fixed on both the left and right sides of the bottom of the tower; a ladder stand is also fixed on the front side and the rear side of the tower; two lifting lugs which are arranged in a front-back symmetrical mode are fixed on the left side and the right side of the tower frame.

9. The concrete aggregate tower hopper of claim 8, wherein the left lower side of the seat block is externally provided with two supporting frames which are arranged in a front-back symmetrical way, the main shaft is transversely and rotatably connected in the two supporting frames in a penetrating way, the rotary wheel and the traction belt are arranged between the two supporting frames, and the two eccentric swing arms are respectively arranged on the outer sides of the two supporting frames.