Sand recovery device
By designing a sand recovery device, the standard sand is recovered in a closed manner by using the rotation and closing of the fan blades. This solves the problem of waste caused by the mixing of standard sand with impurities on the borehole wall and reduces the testing cost.
Patent Information
- Application Number
- CN202423220486.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2034-12-25
AI Technical Summary
When testing the compaction degree of roadbed using the sand cone method, the standard sand is easily mixed with impurities on the borehole wall, leading to waste and increased testing costs.
Design a sand recycling device, including a shell, a rotating rod, and a closing rod. By rotating and closing the fan blades, the standard sand can be recycled in a closed manner, reducing the possibility of impurities being mixed in.
It improves the recovery efficiency of standard sand, reduces testing costs, and reduces the waste of standard sand.
Smart Images
Figure CN223910535U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of engineering detection, in particular to a sand recovery device. BACKGROUND
[0002] The sand pouring method, as a traditional method for determining soil compaction, has been widely used in various engineering fields such as road construction and foundation construction. The method is based on the accurate measurement of standard sand filling value to evaluate the compaction degree of soil, which is of great significance to ensure the engineering quality.
[0003] At present, in the step of detecting the subgrade compaction by using the sand pouring method, a hole needs to be dug on the surface of the subgrade, and then the standard sand is put into the hole. After the sand pouring and measurement are completed, the sand in the hole is scooped out from the hole by using a shovel. The standard sand in contact with the hole wall is easy to flow to the position of the shovel, so that the impurities on the hole wall are mixed with the standard sand, which is not easy to be recycled and reused, resulting in waste of standard sand and increase of detection cost. CONTENT OF THE UTILITY MODEL
[0004] In order to reduce the possibility of waste of standard sand, the application provides a sand recovery device.
[0005] The application provides a sand recovery device, which adopts the following technical scheme:
[0006] A sand recovery device comprises:
[0007] A shell is provided with a sand inlet at the bottom;
[0008] A rotating rod is rotatably arranged in the interior of the shell, and the bottom of the rotating rod is connected with a plurality of first fan blades;
[0009] A closing rod is rotatably connected to the rotating rod, and the bottom of the closing rod is connected with a plurality of second fan blades, which are used to close the gap between adjacent first fan blades and seal the bottom of the shell.
[0010] When the standard sand in the hole needs to be recovered, the shell is inserted into the hole. Under the rotation of the first fan blades, the standard sand is moved to the top of the first fan blades and the second fan blades. When the first fan blades move to the bottom of the hole, the second fan blades are rotated to close the gap between adjacent first fan blades, so that the bottom of the shell is closed. Thus, the standard sand in the shell after the bottom is closed can be easily taken out, the possibility of mixing the standard sand with impurities due to the sliding of the standard sand at the edge of the hole to the middle of the hole is reduced, the standard sand can be easily recovered, the possibility of waste of standard sand is reduced, and the detection cost is further reduced.
[0011] Optionally, the rotating member is threadedly connected to the top of the shell.
[0012] By adopting the technical scheme, the rotating rod is fixed without using additional fixing structure, the rotating and fixing convenience of the rotating rod is improved, and the standard sand recovery efficiency is improved.
[0013] Optionally, the closing rod is slidably connected with a fixing member, one end of the fixing member is connected with an elastic member, one end of the elastic member away from the fixing member is connected with the closing rod; the rotating member is provided with a first fixing groove, when the fixing member is inserted into the first fixing groove, the opening state of the bottom of the shell is fixed, the rotating member is provided with a second fixing groove, when the fixing member is inserted into the second fixing groove, the closed state of the bottom of the shell is fixed.
[0014] By adopting the technical scheme, the relationship between the closing rod and the rotating rod is fixed, specifically, the opening state of the bottom of the shell is fixed, the difficulty of moving the first fan piece to the bottom of the hole is reduced, the closed state of the bottom of the shell is fixed, the possibility of sand leakage after the shell is taken out from the hole is reduced, the standard sand recovery efficiency is improved, and the possibility of standard sand waste is reduced.
[0015] Optionally, the first fan piece is slidably connected with a first sliding member, one end of the first sliding member is connected with a first sealing member, the rotating rod is slidably connected with a first pushing member, the first pushing member pushes the first sliding member to slide, and the first sealing member abuts against the inner wall of the shell; the second fan piece is slidably connected with a second sliding member, one end of the second sliding member is connected with a second sealing member, the closing rod is slidably connected with a second pushing member, and the second pushing member pushes the second sliding member to slide, so that the second sealing member abuts against the inner wall of the shell.
[0016] By adopting the technical scheme, after the second fan piece closes the gap between the first fan pieces, the first pushing member and the second pushing member are pushed, and the first sealing member and the second sealing member abut against the inner wall of the shell, the sealing effect of the bottom of the shell is improved, and the possibility of sand leakage is further reduced.
[0017] Optionally, one side of the first sliding member is connected with a first protrusion, the first sliding member is slidably connected to the first fan piece through the first protrusion, the first protrusion is connected with a first elastic member, and one end of the first elastic member away from the first protrusion is connected with the first fan piece.
[0018] By adopting the technical scheme, the first sealing member is automatically reset, and the resistance of the first sealing member to the rotation of the first fan piece is reduced.
[0019] Optionally, the outer wall of the rotating rod is connected with a limiting ring, and the limiting ring limits the depth of the rotating rod in the shell by abutting against the top wall of the shell.
[0020] By adopting the technical scheme, the rotating rod is limited, the possibility of the soil mixture into the sand caused by the continuous downward movement of the rotating rod to the bottom wall of the hole is reduced, the possibility of the first or second fan unable to abut against the shell is reduced, and the closing accuracy of the bottom of the shell is improved.
[0021] Optionally, the outer wall of the rotating rod is sleeved with a sliding ring, the sliding ring is connected with the first pushing piece, all the first pushing pieces are distributed circumferentially on the sliding ring, the sliding ring is rotationally connected with a locking piece, and the locking piece is threadedly connected with the limiting ring.
[0022] By adopting the technical scheme, the sliding ring is arranged, all the first pushing pieces are connected on the sliding ring, it is not necessary to push the first pushing pieces one by one, the closing efficiency of the bottom of the shell is improved, the locking piece is arranged, the locking piece is threadedly connected with the limiting ring, the position of the first pushing piece is fixed, and then the first sealing piece can stably abut against the shell, and the possibility of sand leakage is reduced.
[0023] Optionally, the top of the rotating rod is connected with a rotating handle.
[0024] By adopting the technical scheme, the force applying structure is provided for the rotation of the rotating rod, the operator rotates the rotating rod by holding the rotating handle, and the convenience is improved.
[0025] In summary, the present application has at least one of the following beneficial technical effects:
[0026] 1. When the standard sand in the hole needs to be recycled, the shell is inserted into the hole, the standard sand is moved to the top of the first fan and the second fan under the rotation of the first fan, when the first fan moves to the bottom of the hole, the second fan is rotated to close the gap between the adjacent first fans, so that the bottom of the shell is closed, thereby facilitating the taking out of the standard sand in the shell after the bottom is closed, reducing the possibility of the standard sand on the edge of the hole sliding to the middle of the hole and mixing with impurities, facilitating the recycling of the standard sand, reducing the possibility of waste of the standard sand, and further reducing the detection cost;
[0027] 2. The rotating rod does not need to be fixed by using an additional fixing structure, the rotating and fixing convenience of the rotating rod is improved, and the standard sand recycling efficiency is further improved;
[0028] 3. The force applying structure is provided for the rotation of the rotating rod, the operator rotates the rotating rod by holding the rotating handle, and the convenience is improved. BRIEF DESCRIPTION OF DRAWINGS
[0029] Figure 1 It is a whole structure schematic diagram in the embodiment of the present application.
[0030] Figure 2 is a whole structure half sectional view in the embodiment of the present application.
[0031] Figure 3 is Figure 2 is an enlarged view at A in FIG. 1.
[0032] Figure 4 is Figure 2 is an enlarged view at B in FIG. 1.
[0033] Figure 5 is a structure schematic view of the first sealing member and the second sealing member in the embodiment of the present application.
[0034] Figure 6 is a structure schematic view of the adjusting ring in the embodiment of the present application.
[0035] Figure 7 is a structure schematic view of the surrounding part in the embodiment of the present application.
[0036] Figure 8 is a whole structure half sectional view in the embodiment 3 of the present application.
[0037] Explanation of reference signs:
[0038] 1, housing; 11, support part; 12, surrounding part; 2, rotating rod; 21, first fan blade; 22, limiting ring; 23, first fixing groove; 24, second fixing groove; 25, rotating handle; 3, closing rod; 31, second fan blade; 32, fixing member; 321, reset elastic member; 4, first sliding member; 41, first sealing member; 42, first pushing member; 43, first protrusion; 44, first elastic member; 5, second sliding member; 51, second sealing member; 52, second pushing member; 53, second protrusion; 54, second elastic member; 6, sliding ring; 61, connecting rod; 62, locking member; 7, sealing strip; 71, pressing strip; 72, locking member; 8, pushing block; 81, connecting rod; 82, vertical pushing rod; 83, adjusting ring; 84, fastening member. DETAILED DESCRIPTION
[0039] The following will be further explained in detail in combination with the accompanying drawings. Figures 1-8 The present application is further explained in detail.
[0040] The embodiment of the present application discloses a sand material recycling device.
[0041] Embodiment 1
[0042] Reference Figure 1The utility model provides a sand recycling device, including shell 1, rotating rod 2 and closing rod 3, the bottom wall of shell 1 is equipped with sand inlet, and the outer wall of shell 1 is annular, and is adapted to the shape of the circular opening of hole, and the diameter of the outer wall of shell 1 is less than the diameter of the circular opening of hole, so that the shell 1 is reduced the possibility of colliding with the wall of hole, and the standard sand is made into sand inlet as far as possible, rotating rod 2 rotates and is arranged in the inside of shell 1, and the bottom of rotating rod 2 is located in sand inlet, and the bottom of rotating rod 2 is fixedly connected with a plurality of first sector 21, and first sector 21 is distributed equidistantly along the circumference of the wall of rotating rod 2, and the side, away from rotating rod 2, of first sector 21 is attached to the inner wall of shell 1, and the central axis of rotating rod 2 is on the same straight line with the central axis of closing rod 3, and the top wall and bottom wall of rotating rod 2 are provided with slot, and closing rod 3 is inserted into the slot of rotating rod 2, and closing rod 3 is rotatably connected to rotating rod 2, and the bottom of closing rod 3 is connected with a plurality of second sector 31, and second sector 31 is distributed equidistantly along the circumference of the wall of closing rod 3, and the side, away from closing rod 3, of second sector 31 is attached to the inner wall of shell 1, and the number of second sector 31 is consistent with the number of first sector 21, and the bottom of first sector 21 is attached to the top wall of second sector 31, and the side of first sector 21 and second sector 31 is provided with inclined transition, and when rotating rod 2 moves to the bottom of shell 1, it is convenient for sand to move to the top of first sector 21 and second sector 31, and second sector 31 is used for closing the gap between adjacent first sector 21, so that the bottom of shell 1 is closed, and the number of first sector 21 and second sector 31 is three in the embodiment.
[0043] In order to fix rotating rod 2 and shell 1, the top of rotating rod 2 and shell 1 is screw connected.
[0044] Further, the area of the top wall of second sector 31 is greater than the gap between adjacent first sector 21, further improving the closing effect of the bottom of shell 1.
[0045] The outer wall of rotating rod 2 is connected with a limiting ring 22, and the limiting ring 22 is located at the top of rotating rod 2, and the limiting ring 22 limits the depth of rotating rod 2 in shell 1 by abutting against the top wall of shell 1, and specifically, when the bottom wall of limiting ring 22 abuts against the top wall of shell 1, rotating rod 2 cannot continue to rotate to make rotating rod 2 deeper into shell 1, so as to reduce the possibility of first sector 21 and second sector 31 separating from shell 1, which is not conducive to closing the bottom of shell 1, and also reduces the possibility of first sector 21 and second sector 31 moving the soil of the bottom wall of hole to the inside of shell 1, and further reduces the possibility of sand in shell 1 mixing with impurities.
[0046] Refer to Figure 2 And Figure 3The closing rod 3 is slidably connected with a fixing piece 32, the sliding direction of the fixing piece 32 is perpendicular to the axis of the closing rod 3, one end of the fixing piece 32 is fixedly connected with a reset elastic piece 321, and the end of the reset elastic piece 321 away from the fixing piece 32 is fixedly connected with the closing rod 3; the side wall of the rotating piece is provided with a first fixing groove 23, when the end of the fixing piece 32 away from the reset elastic piece 321 is inserted into the first fixing groove 23, the groove wall of the first fixing groove 23 is abutted with the groove wall of the fixing piece 32, the opening state of the bottom of the shell 1 is fixed, the side wall of the rotating piece is provided with a second fixing groove 24, the first fixing groove 23 and the second fixing groove 24 are located at the top of the limiting ring 22, when the end of the fixing piece 32 away from the reset elastic piece 321 is inserted into the second fixing groove 24, the groove wall of the second fixing groove 24 is abutted with the groove wall of the fixing piece 32, the closing state of the bottom of the shell 1 is fixed, the possibility that the sand recovery efficiency is low due to the random rotation of the second fan piece 31 is reduced, and the reset elastic piece 321 adopts a spring in the example.
[0047] In order to facilitate the rotation of the rotating rod 2, the rotating handle 25 is fixedly connected to the top side wall of the rotating rod 2.
[0048] The implementation principle of the example 1 of the application is as follows: when the sand in the hole is recovered, the shell 1 is inserted into the hole, at this time, the fixing piece 32 is inserted into the second fixing groove 24, the adjacent first fan pieces 21 are in an open state, the sand enters the shell 1 through the sand inlet, the operator holds the rotating handle 25 and rotates the rotating handle 25, the rotating handle 25 drives the rotating rod 2 to rotate, the rotating handle 25 drives the first fan piece 21 and the second fan piece 31 to rotate synchronously, so that the sand flows to the top of the first fan piece 21 and the second fan piece 31, until the bottom wall of the limiting ring 22 is abutted with the top wall of the shell 1, the rotating rod 2 is stopped, the fixing piece 32 is pulled away from the second fixing groove 24, the fixing piece 32 is pushed, the closing rod 3 is rotated, the second fan piece 31 is rotated, and the second fan piece 31 is located between the adjacent first fan pieces 21, so that the bottom of the shell 1 is in a closed state, at this time, the fixing piece 32 is located at the first fixing groove 23, the fixing piece 32 is inserted into the first fixing groove 23, so that the position of the second fan piece 31 is fixed, the closed state of the bottom of the shell 1 is stable, the shell 1 is pulled out of the hole, and the sand is recovered, the waste of standard sand is reduced, and the detection cost is reduced.
[0049] Example 2
[0050] Refer to Figure 2 and Figure 4Different from the embodiment 1, in order to improve the sealing of the bottom of the shell 1, there is a gap between the side of the first fan blade 21 far away from the rotating rod 2 and the inner wall of the shell 1, and there is a gap between the side of the second fan blade 31 far away from the closing rod 3 and the inner wall of the shell 1, in order to reduce the possibility of sand leakage when the shell 1 is taken out from the hole, the first sliding piece 4 is slidably connected with the first fan blade 21, the sliding direction of the first sliding piece 4 is perpendicular to the axis direction of the rotating rod 2, the first sealing piece 41 is fixedly connected with the end of the first sliding piece 4 far away from the rotating rod 2, the first fan blade 21 is provided with the first placing groove on the side far away from the rotating rod 2, the first sealing piece 41 is located in the first placing groove, and the peripheral wall of the first sealing piece 41 is fitted with the groove wall of the first placing groove, thereby reducing the possibility of sand entering the inside of the first placing groove, the first pushing piece 42 is slidably connected with the rotating rod 2, the length direction of the first pushing piece 42 is parallel to the length direction of the rotating rod 2, the first pushing piece 42 pushes the first sliding piece 4 to slide, so that the first sealing piece 41 abuts against the inner wall of the shell 1; the second sliding piece 5 is slidably connected with the second fan blade 31, the sliding direction of the second sliding piece 5 is perpendicular to the axis direction of the closing rod 3, the second sealing piece 51 is fixedly connected with the end of the second sliding piece 5 far away from the closing rod 3, the second fan blade 31 is provided with the second placing groove on the side far away from the closing rod 3, the second sealing piece 51 is located in the second placing groove, and the peripheral wall of the second sealing piece 51 is fitted with the groove wall of the second placing groove, thereby reducing the possibility of sand entering the inside of the second placing groove, the second pushing piece 52 is slidably connected with the rotating rod 2, the length direction of the second pushing piece 52 is parallel to the length direction of the rotating rod 2, the second pushing piece 52 pushes the second sliding piece 5 to slide, so that the second sealing piece 51 abuts against the inner wall of the shell 1.
[0051] Specifically, the bottom of the first pushing piece 42 is provided with an inclined surface, the vertical distance from the top of the inclined surface of the first pushing piece 42 to the rotating rod 2 is greater than the vertical distance from the bottom of the inclined surface of the first pushing piece 42 to the rotating rod 2, the inclined surface of the first pushing piece 42 contacts the first sliding piece 42, and when the first sliding piece 42 slides, the first sliding piece 42 is pushed, so that the first sealing piece 41 abuts against the inner wall of the shell 1; the second pushing piece 52 is in the shape of a rod, and the bottom of the second pushing piece 52 is in the shape of an inverted cone, the inclination of the inclined surface of the first pushing piece 42 is consistent with the inclination of the side wall of the cone of the second pushing piece 52, the side wall of the cone of the second pushing piece 52 contacts the second sliding piece 5, and when the second pushing piece 52 slides, the second sliding piece 5 is pushed, so that the second sealing piece 51 abuts against the inner wall of the shell 1.
[0052] Referring to Figure 5 , the first sealing piece 41 is in the shape of an L which is horizontally flipped and counterclockwise rotated by 90°, the second sealing piece 51 is in the shape of an L which is horizontally flipped and clockwise rotated by 90°, when the first sealing piece 41 abuts against the inner wall of the shell 1, the bottom wall of the first sealing piece 41 abuts against the top wall of the second sealing piece 51, thereby sealing the bottom of the entire shell 1.
[0053] One side of the first sliding piece 4 is fixedly connected with a first protrusion 43, the first sliding piece 4 is slidably connected to the first fan blade 21 through the first protrusion 43, the first protrusion 43 is fixedly connected with a first elastic piece 44, the elastic direction of the first elastic piece 44 is parallel to the sliding direction of the first sliding piece 4, one end of the first elastic piece 44 away from the first protrusion 43 is fixedly connected with the first fan blade 21, similarly, one side of the second sliding piece 5 is fixedly connected with a second protrusion 53, the second sliding piece 5 is slidably connected to the second fan blade 31 through the second protrusion 53, the second protrusion 53 is fixedly connected with a second elastic piece 54, the elastic direction of the second elastic piece 54 is parallel to the sliding direction of the second sliding piece 5, one end of the second elastic piece 54 away from the second protrusion 53 is fixedly connected with the second fan blade 31, in this embodiment, the first elastic piece 44 and the second elastic piece 54 are both springs.
[0054] With reference to Figure 3 The outer wall of the rotating rod 2 is sleeved with a sliding ring 6, the bottom wall of the sliding ring 6 is fixedly connected with the first pushing piece 42, all the first pushing pieces 42 are circumferentially distributed at the bottom of the sliding ring 6, the top of the second pushing piece 52 is fixedly connected with a connecting rod 61, the connecting rod 61 penetrates through the rotating rod 2 and the closing rod 3, the inner wall of the sliding ring 6 is provided with an arc-shaped slot, the connecting rod 61 is inserted into the arc-shaped slot, the second pushing piece 52 is rotationally connected to the sliding ring 6 through the connecting rod 61, the sliding ring 6 is rotationally connected with a locking piece 62, the locking piece 62 is threadedly connected with the limiting ring 22, when the bottom of the shell 1 is sealed, the first sealing piece 41 and the second sealing piece 51, the locking piece 62 is rotated, the locking piece 62 drives the first pushing piece 42 and the second pushing piece 52 to move synchronously towards the direction away from the top of the rotating rod 2, the first pushing piece 42 pushes the first sliding piece 4 to slide, so that the first sliding piece 4 pushes the first sealing piece 41 to tightly abut against the inner wall of the shell 1, at the same time, the second pushing piece 52 pushes the second sliding piece 5 to slide, so that the second sliding piece 5 pushes the second sealing piece 51 to tightly abut against the inner wall of the shell 1, the rotating handle 25 is located between the sliding ring 6 and the fixed piece 32.
[0055] The implementation principle of the embodiment 2 of the present application is that when the bottom of the shell 1 is closed, the locking piece 62 is screwed, so that the sliding ring 6 moves towards the bottom of the rotating rod 2, so that the first pushing piece 42 pushes the first sliding piece 4 to slide, and then the first sliding pushes the first sealing piece 41 to abut against the inner wall of the shell 1, at the same time, the second pushing piece 52 pushes the second piece to slide, and then the second sliding pushes the second sealing piece 51 to abut against the inner wall of the shell 1, and the bottom wall of the first sealing piece 41 abuts against the top wall of the second sealing piece 51, so that the bottom of the shell 1 is sealed.
[0056] Embodiment 3
[0057] With reference to Figure 6 and Figure 7Different from the embodiment 2, the inner wall diameter of the shell 1 is variable, the shell 1 comprises a supporting part 11 and a surrounding part 12, the supporting part 11 is attached to the surrounding part 12, the supporting part 11 is located at the top of the surrounding part 12, the surrounding part 12 is used to surround a circular frame, the first fan blade 21 and the second fan blade 31 are located in the surrounding part 12, one end of the inner wall of the surrounding part 12 is fixedly connected with the sealing strip 7, the sealing strip 7 is located between the two ends of the surrounding part 12, and the sealing strip 7 is used to seal the frame surrounded by the surrounding part 12, the end of the surrounding part 12 away from the connecting sealing strip 7 is provided with an adjusting groove, the end of the surrounding part 12 away from the connecting sealing strip 7 is connected with the compression strip 71, the compression strip 71 is inserted with the locking piece 72, the locking piece 72 is inserted into the adjusting groove, the locking piece 72 can slide in the adjusting groove, so that the surrounding diameter of the surrounding part 12 is changed, the distance between the outer wall of the surrounding part 12 and the hole wall of the hole is reduced, when the diameter of the surrounding part 12 is fixed, the locking piece 72 is screwed, the locking piece 72 abuts against the side of the compression strip 71 away from the surrounding part 12, the end of the locking piece 72 away from the compression strip 71 is threadedly connected with the sealing strip 7, so that the sealing and locking of the surrounding part 12 are realized, and the sand recovery rate is further improved, and the locking piece 72 adopts a bolt in the embodiment.
[0058] The supporting part 11 is threadedly connected with the rotating rod 2, when the sand is dug, the diameter of the surrounding part 12 is adjusted, the surrounding part 12 is inserted into the hole, the limiting piece abuts against the top wall of the supporting part 11, the locking piece 62 is screwed, the first sealing piece 41 and the second sealing piece 51 abut against the inner wall of the surrounding part 12, the bottom wall of the first sealing piece 41 abuts against the top wall of the second sealing piece 51, so that the bottom of the shell 1 is sealed.
[0059] Reference Figure 8In order to make the surrounding part 12 surround into a circle, and the center axis of the circle is coaxial with the axis of the rotating rod 2, the inner wall of the surrounding part 12 is provided with an annular groove, the supporting part 11 is slidably connected with the pushing block 8, the sliding direction of the pushing block 8 is perpendicular to the axis direction of the rotating rod 2, the pushing block 8 is inserted into the annular groove, the pushing block 8 is slidably connected to the surrounding part 12 through the annular groove, the pushing block 8 is distributed equidistantly along the circumference of the rotating rod 2, one end of the pushing block 8 away from the surrounding part 12 is hingedly connected with the connecting rod 81, one end of the connecting rod 81 away from the pushing block 8 is hingedly connected with the vertical push rod 82, the vertical push rod 82 is slidably connected with the supporting part 11, the top of the supporting part 11 is provided with the adjusting ring 83, one end of all the vertical push rods 82 away from the connecting rod 81 is fixedly connected with the bottom wall of the adjusting ring 83, the adjusting ring 83 is rotationally connected with the fastener 84, one end of the fastener 84 away from the adjusting ring 83 is threadedly connected with the supporting part 11, specifically, when the adjusting ring 83 approaches the supporting part 11, the vertical push rod 82 slides, the vertical push rod 82 pushes the connecting rod 81 to move, the connecting rod 81 moves to push the pushing block 8 to slide, so that the pushing block 8 moves in the direction away from the rotating rod 2, and the surrounding diameter of the surrounding part 12 is expanded, and similarly, when the adjusting ring 83 moves in the direction away from the supporting part 11, the vertical push rod 82 pulls the surrounding part 12 through the pushing block 8, so that the diameter of the surrounding part 12 is reduced.
[0060] The implementation principle of the embodiment 1 of the application is that when the surrounding part 12 is adjusted, the locking part 72 is loosened, the fastener 84 is screwed, so that the adjusting ring 83 moves, and then the vertical push rod 82 drives the pushing block 8 to slide through the connecting rod 81, the pushing part pushes or pulls the surrounding part 12, so that the surrounding part 12 is circular, when the diameter of the surrounding part 12 is determined, the locking part 72 is screwed, the locking part 72 is threadedly connected with the sealing strip 7, and the locking part 72 is abutted against the pressing strip 71, so that the adjustment of the diameter of the surrounding part 12 is realized, and the practicability of the device is improved.
[0061] The above are all preferred embodiments of the application, the embodiments are only explanations of the application, and do not limit the protection scope of the application in sequence, therefore: all equivalent changes made according to the structure, shape and principle of the application should be covered in the protection scope of the application.
Claims
1. A sand recovery device, characterized by, Include: The shell (1) is provided with sand inlet at the bottom; Rotary rod (2), rotary rod (2) is provided in the inside of the shell (1), the bottom of rotary rod (2) is connected with multiple first fan blade (21); The closing rod (3) is rotatably connected to the rotary rod (2), and the bottom of the closing rod (3) is connected with multiple second fan blade (31), and the second fan blade (31) is used for closing the gap between adjacent first fan blade (21), so that the bottom of the shell (1) is closed.
2. A sand reclamation unit according to claim 1, characterised in that The rotating member is threadedly connected with the top of the shell (1).
3. A sand reclamation unit according to claim 1, characterised in that The closing rod (3) is slidably connected with a fixing member (32), one end of the fixing member (32) is connected with a reset elastic member (321), the end of the reset elastic member (321) away from the fixing member (32) is connected with the closing rod (3); The rotating member is provided with a first fixing groove (23), when the fixing member (32) is inserted into the first fixing groove (23), the bottom of the shell (1) is fixed in the open state, and the rotating member is provided with a second fixing groove (24), when the fixing member (32) is inserted into the second fixing groove (24), the bottom of the shell (1) is fixed in the closed state.
4. A sand reclamation unit according to claim 1, characterised in that The first fan blade (21) is slidably connected with a first sliding member (4), one end of the first sliding member (4) is connected with a first sealing member (41), the rotary rod (2) is slidably connected with a first pushing member (42), the first pushing member (42) slides by pushing the first sliding member (4), so that the first sealing member (41) abuts against the inner wall of the shell (1); The second fan blade (31) is slidably connected with a second sliding member (5), one end of the second sliding member (5) is connected with a second sealing member (51), the closing rod (3) is slidably connected with a second pushing member (52), the second pushing member (52) slides by pushing the second sliding member (5), so that the second sealing member (51) abuts against the inner wall of the shell (1).
5. A sand reclamation unit according to claim 4, characterised in that One side of the first sliding member (4) is connected with a first protrusion (43), the first sliding member (4) is slidably connected with the first fan blade (21) through the first protrusion (43), the first protrusion (43) is connected with a first elastic member (44), one end of the first elastic member (44) away from the first protrusion (43) is connected with the first fan blade (21).
6. A sand reclamation unit according to claim 4, characterised in that The outer wall of the rotary rod (2) is connected with a limiting ring (22), the limiting ring (22) limits the depth of the rotary rod (2) in the shell (1) by abutting against the top wall of the shell (1).
7. A sand reclamation unit according to claim 6, characterised in that The outer wall of the rotary rod (2) is sleeved with a sliding ring (6), the sliding ring (6) is connected with the first pushing member (42), all the first pushing members (42) are distributed circumferentially on the sliding ring (6), the sliding ring (6) is rotatably connected with a locking member (62), and the locking member (62) is threadedly connected with the limiting ring (22).
8. A sand reclamation unit according to claim 1, wherein The top of the rotary rod (2) is connected with a rotating handle (25).