阅读说明：本技术 一种干混预处理水泥砂浆搅拌装置 (Dry-mixed pretreatment cement mortar stirring device ) 是由 孙明 于 2021-08-10 设计创作，主要内容包括：本发明公开了一种干混预处理水泥砂浆搅拌装置,属于建筑工程技术领域,包括基座,基座还包括基架,基架位于基座的顶端与基座的顶端侧壁固定,基架的内侧壁固定有搅拌桶,搅拌桶的顶端侧壁转动连接有转动杆,转动杆的外侧壁紧固套接有搅拌叶；本发明中通过筛分下料组件对泥沙进行筛分送料,使泥沙内含存的石子和结块能够被分离出,同时也能更快速的进行下料,不易堵塞,提高了干混后的泥沙质量,且减小了搅拌叶的工作负担,提高了该搅拌装置的使用寿命,通过定量出料组件对出料管进行定量出料,使收料盒再进行收料时不会造成过慢溢出,避免了泥沙倾洒浪费,同时也便于工人根据施工需求进收料把控,节约成本,提高了加工效率。(The invention discloses a dry-mixed pretreatment cement mortar stirring device, which belongs to the technical field of constructional engineering and comprises a base and a base frame, wherein the base frame is positioned at the top end of the base and is fixed with the side wall at the top end of the base; according to the invention, the silt is screened and fed by the screening and feeding assembly, so that stones and agglomerates contained in the silt can be separated, and meanwhile, the silt can be fed more quickly, the silt is not easy to block, the quality of the dry-mixed silt is improved, the workload of the stirring blades is reduced, the service life of the stirring device is prolonged, the discharging pipe is quantitatively discharged by the quantitative discharging assembly, the material collecting box cannot overflow too slowly when collecting the material, the silt is prevented from spilling and wasting, meanwhile, workers can conveniently receive the material according to construction requirements, the cost is saved, and the processing efficiency is improved.)

1. The utility model provides a dry-mixed preliminary treatment cement mortar agitating unit, includes base (1), its characterized in that, base (1) still includes

The stirring device comprises a base frame (2), wherein the base frame (2) is positioned at the top end of the base (1) and fixed with the side wall of the top end of the base (1), a stirring barrel (3) is fixed on the inner side wall of the base frame (2), the side wall of the top end of the stirring barrel (3) is rotatably connected with a rotating rod (4), and the outer side wall of the rotating rod (4) is tightly sleeved with a stirring blade (5);

the mounting rack (6) is positioned at the top end of the stirring barrel (3) and fixed with the side wall of the top end of the stirring barrel (3), a driving motor (7) is installed at the top end of the mounting rack (6), and an output shaft of the driving motor (7) is fixed with the rotating rod (4) through a coupler;

the stirring device comprises a support (8), wherein the support (8) is positioned on one side of the stirring barrel (3) and fixed with the outer side wall of the stirring barrel (3), a feed hopper (9) is fixed at the top end of the support (8), a feed pipe (10) is communicated between the bottom end of the feed hopper (9) and the top end of the stirring barrel (3), and a screening and blanking assembly (11) matched with the rotating rod (4) is arranged inside the feed hopper (9);

pipe (12), pipe (12) are located the bottom of agitator (3) with the bottom intercommunication of agitator (3), inside ooff valve (13) that is provided with of pipe (12), the bottom intercommunication of pipe (12) has discharging pipe (14), the top of base (1) is provided with material collecting box (15), material collecting box (15) are located under discharging pipe (14), material collecting box (15) with be provided with quantitative control subassembly (16) between discharging pipe (14).

2. The dry-mixed pretreated cement mortar mixing device according to claim 1, wherein: the screening and blanking assembly (11) comprises

The sieve plate (111) is positioned inside the feed hopper (9) and is in sliding connection with the inner walls of the two sides of the feed hopper (9), two symmetrically-arranged sliding rods (112) penetrate through the side wall of one side of the feed hopper (9) in a sliding manner, and one end of each sliding rod (112) is fixed with the side wall of one side of the sieve plate (111);

the half gear (113) is tightly sleeved on the outer side wall of the rotating rod (4), a toothed ring a (114) is sleeved on the outer side wall of the half gear (113), and the side wall of one side of the toothed ring a (114) is fixed with one end of each of the two sliding rods (112);

feed plate (115), feed plate (115) are located the inside of feeder hopper (9) with the bottom inside wall sliding connection of feeder hopper (9), one side lateral wall of feeder hopper (9) slides and runs through push rod (116) that have two symmetries to set up, two the one end of push rod (116) all with feed plate (115) are fixed, one side lateral wall that feeder hopper (9) are close to push rod (116) slides and runs through connecting rod (117) that have two symmetries to set up, two the one end of connecting rod (117) with one side lateral wall of sieve (111) is fixed, two the other end and two of connecting rod (117) the one end of push rod (116) is fixed with connecting plate (118) jointly.

3. The dry-mixed pretreated cement mortar mixing device according to claim 1, wherein: the quantitative control assembly (16) comprises

A plurality of telescopic support columns (161), wherein the telescopic support columns (161) are arranged, the telescopic support columns (161) are positioned at the top end of the base (1) and fixed with the side wall of the top end of the base (1), a placing seat (162) is jointly fixed at the top ends of the telescopic support columns (161), and the material collecting box (15) is positioned at the top end of the placing seat (162) and matched with the placing seat (162);

pivot (163), pivot (163) with one side lateral wall of discharging pipe (14) rotates to be connected, the lateral wall fastening of pivot (163) has cup jointed and has opened and shut commentaries on classics board (164), it is located to open and shut commentaries on classics board (164) the inside of discharging pipe (14) with discharging pipe (14) cooperate, the lateral wall rotation of discharging pipe (14) be connected with spur gear (165) of the coaxial setting of pivot (163), the lateral wall of spur gear (165) has cup jointed tooth ring b (166), the bottom of tooth ring b (166) with place and be fixed with dead lever (167) that two symmetries set up between one side lateral wall of seat (162).

4. The dry-mixed pretreated cement mortar mixing device according to claim 2, characterized in that: rack plates a (17) symmetrically arranged are arranged on the inner walls of two sides of the toothed ring a (114), and the half gear (113) is meshed with one of the rack plates a (17).

5. The dry-mixed pretreated cement mortar mixing device according to claim 2, characterized in that: the feeding device is characterized in that material guide plates (18) are respectively fixed on the inner walls of two sides of the feeding hopper (9), the two material guide plates (18) are located above the sieve plate (111), and the side wall of the top end of each material guide plate (18) is provided with an arc surface.

6. The dry-mixed pretreated cement mortar mixing device according to claim 2, characterized in that: the spout that the symmetry set up is all seted up to the both sides inner wall of feeder hopper (9), the both sides lateral wall of sieve (111) respectively with two spout sliding connection, the top lateral wall of delivery sheet (115) sets to the cambered surface.

7. The dry-mixed pretreated cement mortar mixing device according to claim 3, wherein: rack plates b (19) are arranged on the inner wall of one side of the toothed ring b (166), and the straight gear (165) and the rack plates b (19) are meshed with each other.

8. The dry-mixed pretreated cement mortar mixing device according to claim 3, wherein: the telescopic strut (161) comprises a support sleeve (20), the bottom end of the support sleeve (20) is fixed to the top end of the base (1), a support rod (21) is connected to the inner side wall of the support sleeve (20) in a sliding mode, the top end of the support rod (21) is fixed to the bottom end of the placement seat (162), and a support spring (22) is fixed between the bottom end of the support rod (21) and the inner side wall of the bottom end of the support sleeve (20).

Technical Field

The invention belongs to the technical field of constructional engineering, and particularly relates to a dry-mixed pretreatment cement mortar stirring device.

Background

The building engineering is an engineering entity which performs various technical works and completions such as planning, surveying, designing, constructing, completing and the like for newly building, reconstructing or extending building buildings and affiliated structures and installation engineering of lines, pipelines and equipment matched with the engineering entity. Also refers to the construction of various houses and buildings, also known as the construction workload. The investment amount of the part can be realized only by the construction activities with the need of carrying out the work and the material movement.

Need use silt to mix the mixer futilely in the construction engineering construction and carry out the preliminary treatment to silt, current silt mixes the mixer futilely and generally directly pours silt into the agitator when using and stirs, then carry out the ejection of compact through the manual work, and generally contain the great stone of more volume and caking thing in the silt, the processingquality when silt is constructed in later stage can be influenced in the direct stirring, and current mixer needs the manual work to nurse the ejection of compact when the ejection of compact, careless overflow easily slightly, cause follow-up transport inconvenient, the mixer is discharged the measurement at every turn and is totally relied on the manual work and handle the control in the ejection of compact, be difficult for carrying out the ration ejection of compact according to the construction demand.

Therefore, a dry-mixing pretreatment cement mortar stirring device is needed for solving the problems that the stirring device is not easy to screen silt in feeding and is not convenient to quantitatively control the silt in discharging.

Disclosure of Invention

The invention aims to provide a dry-mixed pretreatment cement mortar stirring device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a dry-mixed pretreatment cement mortar stirring device comprises a base and further comprises

The base frame is positioned at the top end of the base and fixed with the side wall of the top end of the base, a stirring barrel is fixed on the inner side wall of the base frame, the side wall of the top end of the stirring barrel is rotatably connected with a rotating rod, and a stirring blade is tightly sleeved on the outer side wall of the rotating rod;

the mounting rack is positioned at the top end of the stirring barrel and fixed with the side wall of the top end of the stirring barrel, a driving motor is installed at the top end of the mounting rack, and an output shaft of the driving motor is fixed with the rotating rod through a coupler;

the support is positioned on one side of the stirring barrel and fixed with the outer side wall of the stirring barrel, a feed hopper is fixed at the top end of the support, a feed pipe is communicated between the bottom end of the feed hopper and the top end of the stirring barrel, and a screening and blanking assembly matched with the rotating rod is arranged inside the feed hopper;

the pipe, the pipe is located the bottom of agitator with the bottom intercommunication of agitator, the inside ooff valve that is provided with of pipe, the bottom intercommunication of pipe has the discharging pipe, the top of base is provided with the material receiving box, the material receiving box is located under the discharging pipe, the material receiving box with be provided with the ration control subassembly between the discharging pipe.

In some preferred embodiments, the screen blanking assembly comprises:

the sieve plate is positioned in the feed hopper and is in sliding connection with the inner walls of two sides of the feed hopper, two symmetrically arranged sliding rods penetrate through the side wall of one side of the feed hopper in a sliding manner, and one end of each sliding rod is fixed with the side wall of one side of the sieve plate;

the half gear is fixedly sleeved on the outer side wall of the rotating rod, a toothed ring a is sleeved on the outer side wall of the half gear, and the side wall of one side of the toothed ring a is fixed with one end of each of the two sliding rods;

the feed table, the feed table is located the inside of feeder hopper with the bottom inside wall sliding connection of feeder hopper, one side lateral wall of feeder hopper slides and runs through the push rod that has two symmetries to set up, two the one end of push rod all with the feed table is fixed, one side lateral wall that the feeder hopper is close to the push rod slides and runs through the connecting rod that has two symmetries to set up, two the one end of connecting rod with one side lateral wall of sieve is fixed, two the other end and two of connecting rod the one end of push rod is fixed with the connecting plate jointly.

In some preferred embodiments, the quantitative control assembly comprises

The telescopic struts are arranged in a plurality of numbers, the telescopic struts are positioned at the top end of the base and fixed with the side wall of the top end of the base, a placing seat is jointly fixed at the top ends of the telescopic struts, and the material receiving box is positioned at the top end of the placing seat and matched with the placing seat;

the pivot, the pivot with one side lateral wall of discharging pipe rotates to be connected, the lateral wall fastening of pivot has cup jointed and has opened and shut the commentaries on classics board, it is located to open and shut the commentaries on classics board the inside of discharging pipe with the discharging pipe cooperatees, the lateral wall rotation of discharging pipe be connected with the straight-teeth gear of the coaxial setting of pivot, the lateral wall of straight-teeth gear has cup jointed tooth shape ring b, tooth shape ring b's bottom with place and be fixed with the dead lever that two symmetries set up between one side lateral wall of seat.

In some preferred embodiments, the inner walls of the toothed ring a are provided with rack plates a symmetrically arranged, and the half gear is meshed with one of the rack plates a.

In some preferred embodiments, material guiding plates are respectively fixed to inner walls of two sides of the feeding hopper, the two material guiding plates are located above the sieve plate, and side walls of top ends of the material guiding plates are arranged to be arc-shaped.

In some preferred embodiments, the inner walls of the two sides of the feeding hopper are provided with symmetrically arranged sliding grooves, the side walls of the two sides of the sieve plate are respectively in sliding connection with the two sliding grooves, and the side wall of the top end of the feeding plate is provided with an arc surface.

In some preferred embodiments, a rack plate b is formed on an inner wall of one side of the toothed ring b, and the spur gear and the rack plate b are engaged with each other.

In some preferred embodiments, the telescopic prop includes a supporting sleeve, a bottom end of the supporting sleeve is fixed to a top end of the base, a supporting rod is slidably connected to an inner side wall of the supporting sleeve, a top end of the supporting rod is fixed to a bottom end of the placing seat, and a supporting spring is fixed between the bottom end of the supporting rod and the inner side wall of the bottom end of the supporting sleeve.

Compared with the prior art, the dry-mixed pretreatment cement mortar stirring device provided by the invention at least has the following beneficial effects:

1. according to the invention, the silt is screened and fed by the screening and feeding assembly, so that stones and agglomerates contained in the silt can be separated, and meanwhile, the silt can be fed more quickly, the silt is not easy to block, the quality of the dry-mixed silt is improved, the workload of the stirring blades is reduced, the service life of the stirring device is prolonged, the discharging pipe is quantitatively discharged by the quantitative discharging assembly, the discharging pipe cannot overflow too slowly when the material collecting box collects the material, the silt is prevented from spilling and wasting, meanwhile, workers can conveniently receive and control the material according to construction requirements, the cost is saved, the labor intensity of the workers is reduced, the workers need to take trouble to repeatedly open and close the valve, and the processing efficiency is improved.

2. According to the device, the stirring blades are driven by the driving motor to mix and stir, the sieve plate can be driven to reciprocate to sieve silt, the feeding plate can be driven to move to feed, the influence of lumps contained in the silt on construction quality is effectively reduced, blanking of the silt is facilitated, blocking is not prone to being caused, convenience of the device in machining is improved, the material receiving box can drive the opening and closing rotating plate to be automatically closed along with weight increase during discharging of the silt, quantitative discharging of the device is achieved, material collection is facilitated according to construction requirements, unnecessary waste is avoided, valves do not need to be repeatedly opened and closed, manpower and material resources are saved, and machining efficiency is improved.

Drawings

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

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

FIG. 3 is a schematic illustration of a screen blanking assembly of the present invention shown in a disassembled configuration;

FIG. 4 is a schematic, disassembled view of the quantitative control assembly of the present invention;

fig. 5 is a schematic disassembled view of the telescopic prop structure of the present invention.

In the figure: 1. a base; 2. a base frame; 3. a stirring barrel; 4. rotating the rod; 5. stirring blades; 6. a mounting frame; 7. a drive motor; 8. a support; 9. a feed hopper; 10. a feed pipe; 11. screening and blanking components; 111. a sieve plate; 112. a slide bar; 113. a half gear; 114. a toothed ring a; 115. a feeding plate; 116. a push rod; 117. a connecting rod; 118. a connecting plate; 12. a conduit; 13. an on-off valve; 14. a discharge pipe; 15. a material receiving box; 16. a quantitative control component; 161. a telescopic strut; 162. a placing seat; 163. a rotating shaft; 164. opening and closing the rotating plate; 165. a spur gear; 166. a toothed ring b; 167. fixing the rod; 17. a rack plate a; 18. a material guide plate; 19. a rack plate b; 20. a support sleeve; 21. a support bar; 22. supporting the spring.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.

Referring to fig. 1-5, the invention provides a dry-mixed pretreatment cement mortar stirring device, which comprises a base 1, wherein the base 1 further comprises a base frame 2, the base frame 2 is positioned at the top end of the base 1 and fixed with the side wall of the top end of the base 1, a stirring barrel 3 is fixed on the inner side wall of the base frame 2, the side wall of the top end of the stirring barrel 3 is rotatably connected with a rotating rod 4, and the outer side wall of the rotating rod 4 is fixedly sleeved with a stirring blade 5; the mounting frame 6 is positioned at the top end of the stirring barrel 3 and fixed with the side wall of the top end of the stirring barrel 3, the driving motor 7 is installed at the top end of the mounting frame 6, and an output shaft of the driving motor 7 is fixed with the rotating rod 4 through a coupler; the stirring device comprises a bracket 8, wherein the bracket 8 is positioned on one side of the stirring barrel 3 and is fixed with the outer side wall of the stirring barrel 3, the top end of the bracket 8 is fixed with a feed hopper 9, a feed pipe 10 is communicated between the bottom end of the feed hopper 9 and the top end of the stirring barrel 3, and a screening and blanking assembly 11 matched with the rotating rod 4 is arranged in the feed hopper 9; the device comprises a guide pipe 12, wherein the guide pipe 12 is positioned at the bottom end of the stirring barrel 3 and is communicated with the bottom end of the stirring barrel 3, a switch valve 13 is arranged inside the guide pipe 12, a discharge pipe 14 is communicated with the bottom end of the guide pipe 12, a material receiving box 15 is arranged at the top of the base 1, the material receiving box 15 is positioned right below the discharge pipe 14, and a quantitative control assembly 16 is arranged between the material receiving box 15 and the discharge pipe 14; carry out the screening pay-off to silt through screening unloading subassembly 11, make the stone and the caking that contain the deposit in silt can be separated out, also can be faster simultaneously carry out the unloading, difficult jam, the silt quality after the dry-mixing has been improved, and the work burden of stirring leaf 5 has been reduced, the life of this agitating unit has been improved, carry out the ration ejection of compact to discharging pipe 14 through ration ejection of compact subassembly, can not cause the slow overflow when making the receipts magazine 15 receive the material again, silt is fallen to spill extravagant, also be convenient for the workman simultaneously advances to receive the material handle according to the construction demand, therefore, the cost is saved, and workman's intensity of labour has been reduced, need hard go to relapse switch valve 13, also need not to care deliberately, and the machining efficiency is improved.

Furthermore, the screening and blanking assembly 11 comprises a screen plate 111, the screen plate 111 is positioned inside the feed hopper 9 and is in sliding connection with the inner walls of two sides of the feed hopper 9, two symmetrically arranged sliding rods 112 penetrate through the side wall of one side of the feed hopper 9 in a sliding manner, and one end of each sliding rod 112 is fixed with the side wall of one side of the screen plate 111; the half gear 113 is tightly sleeved on the outer side wall of the rotating rod 4, the outer side wall of the half gear 113 is sleeved with a toothed ring a114, and the side wall of one side of the toothed ring a114 is fixed with one end of each of the two sliding rods 112; the feeding plate 115 is positioned inside the feeding hopper 9 and is in sliding connection with the inner side wall of the bottom end of the feeding hopper 9, two symmetrically-arranged push rods 116 penetrate through the side wall of one side of the feeding hopper 9 in a sliding manner, one ends of the two push rods 116 are fixed with the feeding plate 115, two symmetrically-arranged connecting rods 117 penetrate through the side wall of one side, close to the push rods 116, of the feeding hopper 9 in a sliding manner, one ends of the two connecting rods 117 are fixed with the side wall of one side of the sieve plate 111, and connecting plates 118 are fixed at the other ends of the two connecting rods 117 and one ends of the two push rods 116 together; when driving stirring leaf 5 through driving motor 7 and mixing the stirring, can also drive sieve 111 reciprocating motion and sieve silt, can also drive feed plate 115 simultaneously and remove and carry out the pay-off, effectively reduced the cubic thing that silt contains the existence to construction quality's influence, and the silt of being more convenient for carries out the unloading and is difficult for causing the jam, has improved the device convenience man-hour.

Further, the quantitative control assembly 16 comprises a plurality of telescopic pillars 161, the telescopic pillars 161 are arranged, the telescopic pillars 161 are located at the top end of the base 1 and fixed with the side wall of the top end of the base 1, a placing seat 162 is jointly fixed at the top ends of the plurality of telescopic pillars 161, and the material receiving box 15 is located at the top end of the placing seat 162 and matched with the placing seat 162; the rotating shaft 163 is rotatably connected with one side wall of the discharging pipe 14, the outer side wall of the rotating shaft 163 is fixedly sleeved with an opening and closing rotating plate 164, the opening and closing rotating plate 164 is positioned inside the discharging pipe 14 and is matched with the discharging pipe 14, the outer side wall of the discharging pipe 14 is rotatably connected with a straight gear 165 coaxially arranged with the rotating shaft 163, the outer side wall of the straight gear 165 is sleeved with a toothed ring b166, and two symmetrically arranged fixing rods 167 are fixed between the bottom end of the toothed ring b166 and one side wall of the placing seat 162; the material collecting box 15 can drive the opening and closing rotating plate 164 to automatically close along with the increase of the weight of the sediment during the discharge, so that the quantitative discharge of the device is realized, the material collection is convenient according to the construction requirement, unnecessary waste is avoided, the valve does not need to be repeatedly opened and closed, manpower and material resources are saved, and the processing efficiency is improved.

Rack plates a17 symmetrically arranged are arranged on the inner walls of two sides of the toothed ring a114, the half gear 113 is meshed with one rack plate a17, a rack plate b19 is arranged on the inner wall of one side of the toothed ring b166, and the spur gear 165 is meshed with the rack plate b 19.

The spout that the symmetry set up is all seted up to the both sides inner wall of feeder hopper 9, and the both sides lateral wall of sieve 111 respectively with two spout sliding connection, the cambered surface is set to the top lateral wall of feed plate 115, through setting the cambered surface to the feed plate 115 top, makes feed plate 115 can not make silt pile up in one side of feeder hopper 9 when round trip movement, has improved unloading speed.

Further, the inner walls of the two sides of the feed hopper 9 are respectively fixed with guide plates 18, the two guide plates 18 are located above the sieve plate 111, the side wall of the top end of each guide plate 18 is provided with a cambered surface, silt is dredged through the guide plates 18, the silt is prevented from entering the two sides of the sieve plate 111 to be directly discharged, and the sieving effect of the sieve plate 111 is guaranteed.

Further, telescopic prop 161 is including supporting cover 20, and the bottom of supporting cover 20 is fixed with the top of base 1, and the inside wall sliding connection of supporting cover 20 has bracing piece 21, and the top of bracing piece 21 is fixed with the bottom of placing seat 162, is fixed with supporting spring 22 between the bottom of bracing piece 21 and the bottom inside wall of supporting cover 20, supports and resets placing seat 162 through supporting spring 22's elasticity, has improved the convenience of operation when the ration ejection of compact.

When the device is used for dry mixing of silt, cement yellow sand is poured into a feed hopper 9 in batches, then a driving motor 7 is started to drive a rotating rod 4 to rotate, the rotating rod 4 drives a half gear 113 to rotate when rotating, the half gear 113 and a toothed ring a114 are in meshing transmission when rotating, then the toothed ring is driven to move back and forth, a screen plate 111 is driven to move back and forth through a sliding rod 112 when the toothed ring moves back and forth, then the silt in the feed hopper 9 is screened, the screened cement yellow sand falls into a stirring barrel 3 through a feed pipe 10, the screen plate 111 pushes and pulls a connecting plate 118 through a connecting rod 117 to drive a push rod 116 and a feed plate 115 to move to feed the residual cement yellow sand in the feed hopper 9 while moving, meanwhile, the blockage of a feed pipe 10 is avoided, a better feeding effect is achieved, the silt is stirred and mixed through a stirring blade 5 after entering the stirring barrel 3, after the materials are fully stirred, the switch valve 13 at the position of the guide pipe 12 is opened to discharge the materials, silt falls into the material collecting box 15 when the material is discharged by the material discharging pipe 14, the material collecting box 15 presses the placing seat 162 downwards along with the increase of the weight of the silt, the fixing rod 167 and the toothed ring b166 are driven to descend when the placing seat 162 descends, the toothed ring b166 drives the rack plate b19 and the straight gear 165 to carry out meshing transmission when descending, then the straight gear 165 and the rotating shaft 163 are driven to rotate, the opening and closing rotating plate 164 is driven to rotate when the rotating shaft 163 rotates, when the silt in the material receiving box 15 reaches a certain weight, the rotating plate is turned over to be closed with the discharging pipe 14, then discharging is not carried out, the quantitative receiving and loading of the silt is finished, finally the placing seat 162 is stepped by feet to pull the material receiving box 15 outwards, then the material receiving box 15 is replaced to be empty, the feet are loosened, meanwhile, the supporting spring 22 lifts the placing seat 162 and the material receiving box 15 upwards through elasticity, and the opening and closing rotating plate 164 is opened to continue discharging when the placing seat 162 rises.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.