CN209968871U

CN209968871U - A high-efficient gravel and sand separator for outdoor construction

Info

Publication number: CN209968871U
Application number: CN201920534090.0U
Authority: CN
Inventors: 何铁军
Original assignee: Nanjing Eic Electronic Technology Co Ltd
Current assignee: Nanjing Eic Electronic Technology Co Ltd
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2020-01-21
Anticipated expiration: 2029-04-18

Abstract

The utility model relates to the technical field of building construction accessories, in particular to a high-efficiency sand and stone separating device for outdoor construction, which comprises a separating box and a sieve plate; the device also comprises a movable box, a feeding pipe, a feeding hopper, a left discharging pipe, a right discharging pipe, a left sliding plate, a right sliding plate, a left connecting plate, a right connecting plate, a left moving plate, a right moving plate, a sliding rod, a first hook, a second hook and an oscillating motor; the high-efficiency sand-stone separating device for outdoor construction can facilitate sand to fall off the sieve plate, improve the screening efficiency and shorten the screening time; the stones on the sieve plate can be conveniently taken out from the separating box, and the use rationality is improved.

Description

A high-efficient gravel and sand separator for outdoor construction

Technical Field

The utility model relates to a technical field of construction auxiliary device especially relates to a high-efficient gravel and sand separator for outdoor construction.

Background

As is well known, an efficient sand and stone separation device for outdoor construction is a device for separating and recycling sand and stone mixed materials in the construction process of a building site, and is widely used in the field of building construction; the existing high-efficiency sand and stone separating device for outdoor construction comprises a separating box and a sieve plate, wherein a first storage cavity is arranged in the separating box, a first opening and a second opening are respectively arranged on the top surface and the bottom surface of the separating box, the first opening and the second opening are communicated with the first storage cavity, and the sieve plate is arranged in the lower half area of the inner side wall of the separating box and divides the separating box into an upper part and a lower part; when the existing high-efficiency sand and stone separating device for outdoor construction is used, sand and stone mixed materials are added into a separating box from a first opening, and the aperture on a sieve plate is larger than the sand particle size and smaller than the stone particle size, so that sand in the sand and stone mixed materials added into the separating box falls down from the sieve plate and stones are intercepted on the sieve plate, and the stones are separated from the sand; the existing high-efficiency sand-stone separation device for outdoor construction is found that when the sand-stone mixed material is directly added into a separation box, sand at the upper part is inconvenient to fall off from a sieve plate, so that the sieving efficiency is low, and the sieving time is prolonged; the stone is intercepted on the sieve, and is inconvenient to take out the stone from the separator box, and the use rationality is relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a sand screening device which can facilitate the sand falling from the screen plate, improve the screening efficiency and shorten the screening time; can conveniently take out the stone on the sieve from the separator box, improve the high-efficient gravel and sand separator who is used for outdoor construction who uses rationality.

The utility model discloses a high-efficient gravel and sand separator for outdoor construction, including separator box and sieve, the inside first storage chamber that is provided with of separator box, separator box top surface and bottom surface are provided with first opening and second opening respectively, and first opening and second opening all communicate with each other with first storage chamber, and the sieve is installed in separator box inside wall lower half region and separates the separator box into upper and lower two parts; the movable box is internally provided with a second storage cavity, the central area of the top surface of the movable box is communicated with the feeding pipe, the top end of the feeding pipe is connected with the bottom end of the feeding hopper, the lower half area of the left side wall of the movable box and the lower half area of the right side wall of the movable box are respectively communicated with the left discharging pipe and the right discharging pipe, one end of the left sliding plate and one end of the right sliding plate are respectively connected with the lower half area of the left side wall and the lower half area of the inner right side wall of the movable box, the other end of the left sliding plate is connected with the other end of the right sliding plate, the front end of the left sliding plate and the front end of the right sliding plate are respectively connected with the left half area and the right half area of the front side wall of the movable box, the rear end of the left sliding plate and the rear end of the right sliding plate are respectively connected with the left half area and the right half area of the rear side wall of the movable box, the bottom end of the left connecting plate and the bottom end of the right connecting plate are respectively connected with a left half area and a right half area of the top surface of the separation box, a first round hole and a second round hole are respectively arranged in the front-back direction of the central area of the left connecting plate and the central area of the right connecting plate, a third round hole and a fourth round hole are respectively arranged in the left-right direction of the upper half area of the left moving plate and the upper half area of the right moving plate, the right end of the slide bar sequentially penetrates through the third round hole and the fourth round hole, the left end and the right end of the slide bar are respectively connected with the upper half area of the left side wall and the upper half area of the inner right side wall in the separation box, the bottom end of the left moving plate and the bottom end of the right moving plate are respectively connected with the top end of a first hook and the top end of a second hook, the; the separation box also comprises a revolving door, an inserted link, a stop block, a fixed link and a fixed block, a third opening is arranged in the central area of the left side wall of the separation box, the third opening is communicated with the first storage cavity, the bottom end of the revolving door is connected with the inner bottom wall shaft at the third opening, a third storage cavity is arranged in the upper half area of the left side wall of the separation box, a fourth opening is arranged in the upper half area of the left side wall of the separation box and communicated with the third storage cavity, the right end of the inserted link is inserted into the third storage cavity from the fourth opening, the right end of the inserted link is connected with the left end of the stop block, the left end of the inserted link is connected with the upper half area of the right side wall of the fixed link, the right end of the fixed block is connected with the upper half area of the left side wall of the revolving door, a fifth round hole is arranged in the vertical direction of the central area of the fixed block, the bottom end of the fixed rod penetrates through the fifth round hole, a fifth opening is formed in the upper half area of the left side wall of the movable box, and the fifth opening is communicated with the second storage cavity.

The utility model discloses a high-efficient gravel and sand separator for outdoor construction still includes the handle, handle right-hand member and revolving door left side wall first region are connected, the handle bottom surface is provided with first rectangle recess.

The utility model discloses a high-efficient gravel and sand separator for outdoor construction still includes backup pad and baffle, the backup pad left end is connected with removal incasement left side wall central authorities region, and half regional second rectangle recess that is provided with on the right side of backup pad top surface, insert in the second rectangle recess baffle bottom.

The utility model discloses a high-efficient gravel and sand separator for outdoor construction still includes a set of pin, a set of pin front end all is connected with the inside front side wall of separator box, and a set of pin rear end all is connected with the inside rear side wall of separator box.

The utility model discloses a high-efficient gravel and sand separator for outdoor construction still includes pull ring, pull rod and third couple, pull ring right-hand member and separation box left side wall first region are connected, and the pull rod right-hand member is connected with third couple left end, and the third couple hook is on the pull ring.

The utility model discloses a high-efficient gravel and sand separator for outdoor construction still includes link and fourth couple, the pull rod left end is connected with the link right-hand member, fourth couple right side wall and removal case left side wall first region are connected.

The utility model discloses a high-efficient gravel and sand separator for outdoor construction still includes a set of universal wheel and a set of brake block, a set of universal wheel top is connected with removal bottom of the case face left front side, left rear side, right front side and right rear side respectively, a set of brake block is installed respectively on a set of universal wheel.

The utility model discloses a high-efficient gravel and sand separator for outdoor construction still includes preceding push rod and back push rod, preceding push rod left end and back push rod left end are connected with first half regional front side and rear side of removal case right side wall respectively.

Compared with the prior art, the beneficial effects of the utility model are that: adding a sand and stone mixed material from a feed hopper, enabling the mixed material to flow into a movable box through a feed pipe and enter a separation box through a first opening, electrifying an oscillating motor, driving the separation box to move left and right by the oscillating motor, enabling a left movable plate and a right movable plate to slide left and right on a slide bar respectively, driving a left connecting plate and a right connecting plate to move left and right by the left movable plate and the right movable plate respectively through a first hook and a second hook, driving the separation box to move left and right, enabling the sand and stone mixed material in the separation box to be fully contacted with a sieve plate, accelerating the falling speed of sand from the sieve plate, improving the sieving efficiency, shortening the sieving time, enabling the falling sand to flow to a left sliding plate and a right sliding plate, enabling the sand sliding from the left sliding plate to flow out through a left discharge pipe, and enabling; after sand and stone separation, stimulate the separator box left, make the separator box slide left, when the separator box slides left, left side movable plate and right movable plate all slide left along the slide bar, the rebound inserted bar, make the inserted bar store intracavity rebound at the third, the inserted bar drives the dead lever rebound and takes out in the fixed block, then rotatory revolving door left, thereby open the revolving door, revolving door left side wall and the contact of bottom wall in the fifth opening, when opening the revolving door, the stone material in the separator box flows out can, conveniently take out in the stone self-separation box on the sieve, improve the rationality in use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a partial enlarged view of portion B of FIG. 1;

in the drawings, the reference numbers: 1. a separation tank; 2. a sieve plate; 3. a mobile box; 4. a feed pipe; 5. a feed hopper; 6. a left discharge pipe; 7. a right discharge pipe; 8. a left slide plate; 9. a right slide plate; 10. a left connecting plate; 11. a right connecting plate; 12. a left moving plate; 13. a right moving plate; 14. a slide bar; 15. a first hook; 16. a second hook; 17. an oscillating motor; 18. a revolving door; 19. inserting a rod; 20. a stopper; 21. fixing the rod; 22. a fixed block; 23. a handle; 24. a support plate; 25. a baffle plate; 26. a stop lever; 27. a pull ring; 28. a pull rod; 29. a third hook; 30. hanging a ring; 31. a fourth hook; 32. a universal wheel; 33. a brake pad; 34. a front push rod.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 3, the utility model discloses a high-efficient sand and stone separator for outdoor construction, including separator 1 and sieve 2, separator 1 is inside to be provided with first storage chamber, and separator 1 top surface and bottom surface are provided with first opening and second opening respectively, and first opening and second opening all communicate with first storage chamber, and sieve 2 is installed in separator 1 inside wall lower half region and separates separator 1 into upper and lower two parts; the device also comprises a movable box 3, a feeding pipe 4, a feeding hopper 5, a left discharging pipe 6, a right discharging pipe 7, a left sliding plate 8, a right sliding plate 9, a left connecting plate 10, a right connecting plate 11, a left moving plate 12, a right moving plate 13, a sliding rod 14, a first hook 15, a second hook 16 and an oscillating motor 17, wherein a second storage cavity is arranged inside the movable box 3, the feeding pipe 4 is communicated with the central area of the top surface of the movable box 3, the input end of the top end of the feeding pipe 4 is connected with the bottom end of the feeding hopper 5, the lower half area of the left side wall and the lower half area of the right side wall of the movable box 3 are respectively communicated with the left discharging pipe 6 and the right discharging pipe 7, one end of the left sliding plate 8 and one end of the right sliding plate 9 are respectively connected with the lower half area of the left side wall and the lower half area of the inner right side wall in the movable box 3, the other end of the left sliding plate 8, the rear end of a left sliding plate 8 and the rear end of a right sliding plate 9 are respectively connected with a left half area and a right half area of the rear side wall in the moving box 3, the bottom end of a left connecting plate 10 and the bottom end of a right connecting plate 11 are respectively connected with a left half area and a right half area of the top surface of the separating box 1, a first round hole and a second round hole are respectively arranged in the front and rear directions of the central area of the left connecting plate 10 and the central area of the right connecting plate 11, a third round hole and a fourth round hole are respectively arranged in the left and right directions of the upper half area of the left moving plate 12 and the upper half area of the right moving plate 13, the right end of a slide bar 14 sequentially passes through the third round hole and the fourth round hole, the left end and the right end of the slide bar 14 are respectively connected with the upper half area of the left side wall and the upper half area of the inner right side wall in the moving box 3, the bottom end of the left moving, the output end at the left end of the oscillating motor 17 is connected with the central area of the right side wall of the separation box 1; also comprises a revolving door 18 and an inserted link 19, the separation box comprises a stop block 20, a fixed rod 21 and a fixed block 22, wherein a third opening is formed in the central area of the left side wall of the separation box 1 and communicated with a first storage cavity, the bottom end of a rotary door 18 is connected with an inner bottom wall shaft of the third opening, a third storage cavity is formed in the upper half area of the left side wall of the separation box 1, a fourth opening is formed in the upper half area of the left side wall of the separation box 1 and communicated with the third storage cavity, a right end of an insertion rod 19 is inserted into the third storage cavity from the fourth opening, the right end of the insertion rod 19 is connected with the left end of the stop block 20, the left end of the insertion rod 19 is connected with the upper half area of the right side wall of the fixed rod 21, the right end of the fixed block 22 is connected with the upper half area of the left side wall of the rotary door 18, a fifth round hole is formed in the vertical direction of the central area of the fixed block 22; adding a sand and stone mixed material from a feed hopper, enabling the mixed material to flow into a movable box through a feed pipe and enter a separation box through a first opening, electrifying an oscillating motor, driving the separation box to move left and right by the oscillating motor, enabling a left movable plate and a right movable plate to slide left and right on a slide bar respectively, driving a left connecting plate and a right connecting plate to move left and right by the left movable plate and the right movable plate respectively through a first hook and a second hook, driving the separation box to move left and right, enabling the sand and stone mixed material in the separation box to be fully contacted with a sieve plate, accelerating the falling speed of sand from the sieve plate, improving the sieving efficiency, shortening the sieving time, enabling the falling sand to flow to a left sliding plate and a right sliding plate, enabling the sand sliding from the left sliding plate to flow out through a left discharge pipe, and enabling; after sand and stone separation, stimulate the separator box left, make the separator box slide left, when the separator box slides left, left side movable plate and right movable plate all slide left along the slide bar, the rebound inserted bar, make the inserted bar store intracavity rebound at the third, the inserted bar drives the dead lever rebound and takes out in the fixed block, then rotatory revolving door left, thereby open the revolving door, revolving door left side wall and the contact of bottom wall in the fifth opening, when opening the revolving door, the stone material in the separator box flows out can, conveniently take out in the stone self-separation box on the sieve, improve the rationality in use.

The utility model discloses a high-efficient gravel and sand separator for outdoor construction, still include handle 23, the right-hand member of handle 23 is connected with the first half region of the left sidewall of revolving door 18, the bottom surface of handle 23 is provided with the first rectangle recess; the handle is convenient for open and close the revolving door, and the use practicability is improved.

The utility model discloses a high-efficient gravel and sand separator for outdoor construction still includes backup pad 24 and baffle 25, and backup pad 24 left end is connected with the left side wall central zone in mobile box 3, and the half right region on the top surface of backup pad 24 is provided with second rectangle recess, and baffle 25 bottom inserts in the second rectangle recess; when the oscillating motor works, the baffle is inserted into the second rectangular groove, sand in the baffle reduction separation box is thrown out from the fifth opening, and the use practicability is improved.

The utility model discloses a high-efficient gravel and sand separator for outdoor construction, still include a set of pin 26, the front end of a set of pin 26 all is connected with the inside front side wall of separator box 1, the rear end of a set of pin 26 all is connected with the inside rear side wall of separator box 1; when the oscillating motor drives the separation box to move left and right, the group of blocking rods play a role in stirring the sand and stone mixed material in the separation box, and the sand falls down from the sieve plate at an accelerated speed.

The utility model discloses a high-efficient gravel and sand separator for outdoor construction still includes pull ring 27, pull rod 28 and third couple 29, and pull ring 27 right-hand member is connected with the first region of separation box 1 left side wall, and pull rod 28 right-hand member is connected with the left end of third couple 29, and third couple 29 hooks on pull ring 27; after sand all falls from the sieve, with the third couple hook on the pull ring, stimulate the pull rod left to stimulate the separator box to fifth opening part, open the revolving door, take out the stone in the separator box can.

The utility model discloses a high-efficient gravel and sand separator for outdoor construction, still include link 30 and fourth couple 31, the left end of pull rod 28 is connected with the right-hand member of link 30, the right side wall of fourth couple 31 is connected with the first region of the left side wall of movable box 3; when the pull rod is not used, the hanging ring is hooked on the fourth hook, and the pull rod can be directly taken out when the pull rod is used.

The utility model discloses a high-efficient gravel and sand separator for outdoor construction still includes a set of universal wheel 32 and a set of brake block 33, and a set of universal wheel 32 top is connected with the left front side, left rear side, right front side and the right rear side of mobile box 3 bottom surface respectively, and a set of brake block 33 is installed respectively on a set of universal wheel 32; a set of universal wheel is convenient for remove the removal case, improves and uses the flexibility, when removing the case and using, reduces a set of universal wheel respectively with a set of brake block and removes, improves the stability in use.

The utility model discloses a high-efficient gravel and sand separator for outdoor construction, still include front push rod 34 and back push rod, front push rod 34 left end and back push rod left end are connected with the front side and the rear side of the upper half region of the right side wall of movable box 3 respectively; when the movable box needs to be moved, the front push rod and the rear push rod are pushed simultaneously, and the movable box can be moved.

The utility model relates to a high-efficiency sand and stone separating device for outdoor construction, when in work, the sand and stone mixed material is added from a feed hopper, the mixed material flows into a movable box through a feed pipe and enters a separating box through a first opening, an oscillating motor is electrified, the oscillating motor drives the separating box to move left and right, so that the left moving plate and the right moving plate slide left and right on the slide bar, the left moving plate and the right moving plate drive the left connecting plate and the right connecting plate to move left and right through the first hook and the second hook respectively, the separation box is driven to move left and right, so that the sand and stone mixed material in the separation box is fully contacted with the sieve plate, the falling speed of sand from the sieve plate is accelerated, the sieving efficiency is improved, the sieving time is shortened, the falling sand flows to the left sliding plate and the right sliding plate, the sand sliding from the left sliding plate flows out through the left discharging pipe, and the sand sliding from the right sliding plate flows out through the right discharging pipe; after sand and stones are separated, the separation box is pulled leftwards, so that the separation box slides leftwards, the left moving plate and the right moving plate slide leftwards along the sliding rod while the separation box slides leftwards, the inserted rod moves upwards, so that the inserted rod moves upwards in the third storage cavity, the inserted rod drives the fixed rod to move upwards and draw out from the fixed block, then the revolving door is rotated leftwards, so that the revolving door is opened, the left side wall of the revolving door is in contact with the bottom wall of the fifth opening, when the revolving door is opened, stones in the separation box flow out, stones on the sieve plate can be taken out from the separation box conveniently, and the use rationality is improved; the handle is convenient for opening and closing the revolving door, and the use practicability is improved; when the oscillating motor works, the baffle is inserted into the second rectangular groove, sand in the separation box is reduced to be thrown out from the fifth opening by the baffle, and the use practicability is improved; when the oscillating motor drives the separation box to move left and right, the group of blocking rods play a role in stirring the sand-stone mixed material in the separation box, so that the sand falls down from the sieve plate in an accelerated manner; after all the sand falls from the sieve plate, hooking the third hook on the pull ring, pulling the pull ring leftwards, pulling the separation box to a fifth opening, opening the revolving door, and taking out the stones in the separation box; when the pull rod is not used, the hanging ring is hooked on the fourth hook, and the pull rod can be directly taken when the pull rod is used; the group of universal wheels is convenient for moving the movable box, so that the use flexibility is improved, and when the movable box is used, the group of brake pads are respectively reduced for moving the group of universal wheels, so that the use stability is improved; when the movable box needs to be moved, the front push rod and the rear push rod are pushed simultaneously, and the movable box can be moved.

The utility model discloses used oscillating motor purchase in the market, according to the service instruction of wearing with use can.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A high-efficiency sand and stone separating device for outdoor construction comprises a separating box (1) and a sieve plate (2), wherein a first storage cavity is arranged inside the separating box (1), a first opening and a second opening are respectively arranged on the top surface and the bottom surface of the separating box (1), the first opening and the second opening are communicated with the first storage cavity, and the sieve plate (2) is arranged in the lower half area of the inner side wall of the separating box (1) and divides the separating box (1) into an upper part and a lower part; the device is characterized by further comprising a movable box (3), a feeding pipe (4), a feeding hopper (5), a left discharging pipe (6), a right discharging pipe (7), a left sliding plate (8), a right sliding plate (9), a left connecting plate (10), a right connecting plate (11), a left moving plate (12), a right moving plate (13), a sliding rod (14), a first hook (15), a second hook (16) and an oscillating motor (17), wherein a second storage cavity is arranged inside the movable box (3), the feeding pipe (4) is communicated with the central area of the top surface of the movable box (3), the top end input end of the feeding pipe (4) is connected with the bottom end of the feeding hopper (5), the lower half area of the left side wall and the lower half area of the right side wall of the movable box (3) are respectively communicated with the left discharging pipe (6) and the right discharging pipe (7), one end of the left sliding plate (8) and one end of the right sliding plate (9) are respectively connected with the lower half area of, the other end of the left sliding plate (8) is connected with the other end of the right sliding plate (9), the front end of the left sliding plate (8) and the front end of the right sliding plate (9) are respectively connected with the left half area and the right half area of the inner front side wall of the movable box (3), the rear end of the left sliding plate (8) and the rear end of the right sliding plate (9) are respectively connected with the left half area and the right half area of the inner rear side wall of the movable box (3), the bottom end of the left connecting plate (10) and the bottom end of the right connecting plate (11) are respectively connected with the left half area and the right half area of the top surface of the separation box (1), the front and rear directions of the central area of the left connecting plate (10) and the central area of the right connecting plate (11) are respectively provided with a first round hole and a second round hole, the left and right directions of the upper half area of the left moving plate (12) and the upper half area of the right, the left end and the right end of a sliding rod (14) are respectively connected with the upper half area of the inner left side wall and the upper half area of the inner right side wall of a movable box (3), the bottom end of a left movable plate (12) and the bottom end of a right movable plate (13) are respectively connected with the top end of a first hook (15) and the top end of a second hook (16), the first hook (15) and the second hook (16) are respectively hung on a first round hole and a second round hole, and the output end of the left end of an oscillating motor (17) is connected with the central area of the right side wall of a separation box (1); the novel separation box is characterized by further comprising a rotary door (18), an inserted bar (19), a stop block (20), a fixed rod (21) and a fixed block (22), wherein a third opening is formed in the central area of the left side wall of the separation box (1), the third opening is communicated with the first storage cavity, the bottom end of the rotary door (18) is connected with a bottom wall shaft in the third opening, a third storage cavity is formed in the upper half area of the left side wall of the separation box (1), a fourth opening is formed in the upper half area of the left side wall of the separation box (1), the fourth opening is communicated with the third storage cavity, the right end of the inserted bar (19) is inserted into the third storage cavity from the fourth opening, the right end of the inserted bar (19) is connected with the left end of the stop block (20), the left end of the inserted bar (19) is connected with the upper half area of the right side wall of the fixed rod (21), the right end of the fixed block (22) is connected with the upper half area of, the bottom end of the fixed rod (21) penetrates through the fifth round hole, a fifth opening is formed in the upper half area of the left side wall of the movable box (3), and the fifth opening is communicated with the second storage cavity.

2. A high efficiency sand and stone separating device for outdoor construction according to claim 1, further comprising a handle (23), wherein the right end of the handle (23) is connected with the upper half area of the left side wall of the revolving door (18), and the bottom surface of the handle (23) is provided with a first rectangular groove.

3. The high-efficiency sand and stone separating device for outdoor construction according to claim 2, further comprising a supporting plate (24) and a baffle plate (25), wherein the left end of the supporting plate (24) is connected with the central region of the left side wall in the movable box (3), the right half region of the top surface of the supporting plate (24) is provided with a second rectangular groove, and the bottom end of the baffle plate (25) is inserted into the second rectangular groove.

4. A high-efficiency sand and stone separating device for outdoor construction according to claim 3, characterized by further comprising a group of stop rods (26), wherein the front ends of the group of stop rods (26) are connected with the inner front side wall of the separating box (1), and the rear ends of the group of stop rods (26) are connected with the inner rear side wall of the separating box (1).

5. A high-efficiency sand and stone separating device for outdoor construction according to claim 4, characterized by further comprising a pull ring (27), a pull rod (28) and a third hook (29), wherein the right end of the pull ring (27) is connected with the upper half area of the left side wall of the separating box (1), the right end of the pull rod (28) is connected with the left end of the third hook (29), and the third hook (29) is hooked on the pull ring (27).

6. A high-efficiency sand and stone separating device for outdoor construction according to claim 5, characterized in that it further comprises a hanging ring (30) and a fourth hook (31), the left end of the pull rod (28) is connected with the right end of the hanging ring (30), and the right side wall of the fourth hook (31) is connected with the upper half area of the left side wall of the movable box (3).

7. The high-efficiency sand and stone separating device for outdoor construction as claimed in claim 6, further comprising a set of universal wheels (32) and a set of brake pads (33), wherein the top ends of the set of universal wheels (32) are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom surface of the movable box (3), and the set of brake pads (33) are respectively mounted on the set of universal wheels (32).

8. The high-efficiency sand and stone separating device for outdoor construction according to claim 7, further comprising a front push rod (34) and a rear push rod, wherein the left end of the front push rod (34) and the left end of the rear push rod are respectively connected with the front side and the rear side of the upper half area of the right side wall of the movable box (3).