CN215743683U - Gravel and sand grinding and screening device that building engineering used - Google Patents
Gravel and sand grinding and screening device that building engineering used Download PDFInfo
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- CN215743683U CN215743683U CN202121874375.2U CN202121874375U CN215743683U CN 215743683 U CN215743683 U CN 215743683U CN 202121874375 U CN202121874375 U CN 202121874375U CN 215743683 U CN215743683 U CN 215743683U
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- 238000012216 screening Methods 0.000 title claims abstract description 186
- 239000004576 sand Substances 0.000 title claims abstract description 75
- 239000004575 stone Substances 0.000 claims abstract description 46
- 238000007599 discharging Methods 0.000 claims 3
- 238000010276 construction Methods 0.000 abstract description 19
- 230000000694 effects Effects 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a sand and stone grinding and screening device for constructional engineering, and belongs to the technical field of sand and stone grinding and screening. The utility model provides a gravel and sand grinding screening plant that building engineering used, is including grinding screening case, it is provided with the screening net in the screening case to grind, one side of grinding screening case is equipped with the collecting box, still includes: the fixed grinding roller and the movable grinding roller are arranged in the grinding and screening box; the first rotating columns are fixedly connected to the front end and the rear end of the fixed grinding roller; the second rotating columns are fixedly connected to the front end and the rear end of the movable grinding roller; the grinding motor is fixedly arranged on the front side of the grinding and screening box; the utility model simultaneously grinds and screens the sand and stone, thereby avoiding the trouble that the ground sand and stone are carried to the screening part for screening, leading the treatment efficiency of the sand and stone to be higher, and accelerating the progress of the construction engineering.
Description
Technical Field
The utility model relates to the technical field of sand and stone grinding and screening, in particular to a sand and stone grinding and screening device for constructional engineering.
Background
Building engineering means the engineering entity that forms through the construction of all kinds of housing construction and accessory facilities and the installation activity of rather than supporting circuit, pipeline, equipment, gravel and sand are the basic material in building engineering, gravel and sand need grind the screening to it before using and make it reach the operation standard, present gravel and sand grinder and screening plant are in the separate state mostly for gravel and sand need transport screening plant department after grinding the completion and just can sieve, influence the use of gravel and sand, and then influence the process of building engineering, therefore, we have proposed a gravel and sand grinding and screening plant for building engineering.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sand and stone grinding and screening device for building engineering, which aims to solve the problem of low efficiency caused by complicated sand and stone treatment process in the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a gravel and sand grinding screening plant that building engineering used, is including grinding screening case, it is provided with the screening net in the screening case to grind, one side of grinding screening case is equipped with the collecting box, still includes: the fixed grinding roller and the movable grinding roller are arranged in the grinding and screening box; the first rotating columns are fixedly connected to the front end and the rear end of the fixed grinding roller; the second rotating columns are fixedly connected to the front end and the rear end of the movable grinding roller; the grinding motor is fixedly arranged on the front side of the grinding and screening box; the tensioning gear is movably arranged on the front side of the grinding and screening box; the front end of the first rotating column is fixedly connected with the output end of the grinding motor, and a same second chain is arranged among the first rotating column, the second rotating column and the tensioning gear; the screening frame is arranged below the fixed grinding roller and the movable grinding roller; wherein, screening net fixed connection is in screening frame.
In order to facilitate the separation treatment of the screened sand and stone and avoid the mixing, preferably, a feeding cover is arranged at the upper end of the grinding and screening box, a first discharge port is arranged at the lower end of the grinding and screening box, a conveying belt is arranged at the lower end of the first discharge port, and a second discharge port is arranged at one side of the grinding and screening box, which is close to the collecting box.
In order to facilitate the sand and stone to fall between the fixed grinding roller and the movable grinding roller, preferably, a flow guide cover is arranged above the fixed grinding roller and the movable grinding roller and fixedly connected to the inner wall of the grinding and screening box.
In order to facilitate the gravel and sand that fails to pass through on the screening net to shake and fall into the collecting box, preferably, grind the screening case and keep away from the first mount pad of one side inner wall fixedly connected with of second discharge gate, sliding connection has the vibrations pole in the first mount pad, the lower extreme fixedly connected with slider of vibrations pole, be close to on the screening frame the spout has been seted up to the position of slider, slider sliding connection is in the spout, the screening frame be close to the one end of second discharge gate with grind the screening case and rotate and be connected.
For the convenience of screening the gravel and sand after grinding, preferably, fixedly connected with screening motor in the first mount pad, the first mount pad internal rotation is connected with drive shaft, vibrations post, spacing collar, drive shaft fixed connection be in the upper end of vibrations post, the vibrations groove has been seted up to the lower extreme of vibrations post, the spacing ball of upper end fixedly connected with of vibrations pole, spacing ball sliding connection be in vibrations inslot, the upper end of drive shaft with the output fixed connection of screening motor, vibrations post side with spacing collar fixed connection, adjacent two be equipped with same first chain between the drive shaft.
In order to ensure that no smoke and dust can emerge from the grinding and screening box through the adjusting groove during grinding, preferably, the first rotating column is rotatably connected with the grinding and screening box, the position of the grinding and screening box, which is close to the second rotating column, is provided with the adjusting groove, the second rotating column is rotatably connected in the adjusting groove, the first rotating column and the second rotating column are fixedly connected with limit discs, the limit discs are attached to the grinding and screening box, the limit discs are rotatably connected with the grinding and screening box, a baffle is slidably connected with the position of the inner wall of the grinding and screening box, which is close to the adjusting groove, the baffle is attached to the inner wall of the grinding and screening box, and the baffle is fixedly connected with the second rotating column.
In order to change the position of the movable grinding roller conveniently, preferably, the front side and the rear side of the grinding and screening box are fixedly connected with first limiting blocks, an adjusting frame is connected in the first limiting blocks in a sliding mode, one side, far away from the fixed grinding roller, of the grinding and screening box is fixedly connected with a second mounting seat, an adjusting hydraulic cylinder is fixedly connected in the second mounting seat, the output end of the adjusting hydraulic cylinder is fixedly connected with the adjusting frame, and the adjusting frame is rotatably connected with the second rotating column.
In order to ensure the transmission effect of second chain, preferably, the front side of grinding screening case is close to the position fixedly connected with mount of grinding motor, the mount with grinding motor fixed connection, the front side fixedly connected with third mount pad of grinding screening case, the third mount pad is located the below of tensioning gear, fixedly connected with tensioning pneumatic cylinder in the third mount pad, the output fixedly connected with mounting bracket of tensioning pneumatic cylinder, tensioning gear rotates to be connected in the mounting bracket, the rear side of mounting bracket is provided with second stopper, fixed block, second stopper sliding connection be in the fixed block, the second stopper with mounting bracket fixed connection, fixed block fixed connection be in the front side of grinding screening case.
Compared with the prior art, the utility model provides a sand and stone grinding and screening device for constructional engineering, which has the following beneficial effects:
1. according to the sand and stone grinding and screening device, the grinding motor and the second chain are arranged to drive the fixed grinding roller and the movable grinding roller to rotate together, so that the effect of grinding sand and stone is achieved;
2. according to the sand and stone grinding and screening device, the vibrating rod is driven to reciprocate up and down by the screening motor, and then the vibrating rod drives the screening frame to vibrate rapidly, namely the screening net vibrates rapidly, so that the effect of screening the ground sand and stone can be achieved, the trouble that the ground sand and stone needs to be carried to the screening part for screening is avoided, the processing efficiency of the sand and stone can be improved, and the progress of the building engineering is accelerated;
3. this gravel and sand grinds screening plant can adjust the distance between activity grinding roller and the fixed grinding roller through having set up the regulation pneumatic cylinder, and then reaches the purpose of grinding precision adjustable, adjusts the position of tensioning gear through the tensioning pneumatic cylinder, can guarantee the transmission effect of second chain.
The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the grinding and the screening of the sand and the stone are carried out simultaneously, so that the trouble that the ground sand and the stone are carried to the screening part for screening is avoided, the treatment efficiency of the sand and the stone is higher, and the progress of the construction engineering can be accelerated.
Drawings
FIG. 1 is a front view of a sand and stone grinding and screening device for construction engineering according to the present invention;
FIG. 2 is a front sectional view of a sand and stone grinding and screening device for construction engineering according to the present invention;
FIG. 3 is a front sectional view of a vibrating column of a sand and stone grinding and screening device for construction engineering according to the present invention;
FIG. 4 is a left side sectional view of a first mounting seat of a sand and stone grinding and screening device for construction engineering according to the present invention;
FIG. 5 is a top cross-sectional view of a grinding and screening box of a sand and stone grinding and screening device for construction engineering according to the present invention;
FIG. 6 is a front partial cross-sectional view of a mounting bracket of a sand and stone grinding and screening device for construction engineering according to the present invention;
fig. 7 is a top cross-sectional view of a mounting frame of a sand and stone grinding and screening device for construction engineering according to the present invention.
In the figure: 1. grinding and screening the box; 2. fixing the grinding roller; 21. a pod; 22. a screening rack; 23. screening the net; 24. a first mounting seat; 241. a screening motor; 242. a drive shaft; 243. a first chain; 244. vibrating the column; 245. a vibration rod; 246. a vibration groove; 247. a slider; 25. a first discharge port; 26. a second discharge port; 27. a first rotating column; 3. a movable grinding roller; 31. a second rotating cylinder; 32. a baffle plate; 33. an adjusting bracket; 34. a first stopper; 35. a second mounting seat; 36. adjusting a hydraulic cylinder; 4. a collection box; 41. a limiting disc; 42. grinding the motor; 43. a fixed mount; 5. a third mounting seat; 51. tensioning a hydraulic cylinder; 52. a mounting frame; 53. a tension gear; 54. a second limiting block; 55. a fixed block; 6. and a second chain.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-7, a gravel and sand grinding and screening device for building engineering, including grinding screening case 1, be provided with screening net 23 in grinding screening case 1, one side of grinding screening case 1 is equipped with collecting box 4, still includes: the fixed grinding roller 2 and the movable grinding roller 3 are both arranged in the grinding screening box 1; first rotating columns 27 fixedly connected to the front and rear ends of the fixed grinding roll 2; second rotating columns 31 fixedly connected to the front and rear ends of the movable grinding roll 3; a grinding motor 42 fixedly installed at the front side of the grinding and screening box 1; the tensioning gear 53 is movably arranged on the front side of the grinding and screening box 1; wherein, the front end of the first rotating column 27 is fixedly connected with the output end of the grinding motor 42, and the same second chain 6 is arranged among the first rotating column 27, the second rotating column 31 and the tensioning gear 53; the screening frame 22 is arranged below the fixed grinding roller 2 and the movable grinding roller 3; wherein the screening net 23 is fixedly connected to the screening frame 22.
When the device is used, the sand and stone which needs to be ground are poured into the grinding and screening box 1, the grinding motor 42 drives the first rotating column 27 to rotate, and as the same second chain 6 is connected among the first rotating column 27 positioned at the front side, the second rotating column 31 positioned at the front side and the tensioning gear 53, the second rotating column 31 is driven to rotate by the second chain 6 when the first rotating column 27 rotates, so that the fixed grinding roller 2 and the movable grinding roller 3 rotate together, further the poured sand and stone are ground, the ground sand and stone fall onto the screening net 23, one of the driving shafts 242 is driven to rotate by the screening motor 241, as the first chain 243 enables the driving shafts 242 to rotate together, further the vibration columns 244 can be driven to rotate together, the vibration rods 245 are limited by the first mounting seat 24, so that the vibration rods 245 can be driven to vibrate up and down and reciprocate when the vibration columns 244 rotate, and then vibrations pole 245 can drive screening frame 22 through slider 247 and carry out quick vibrations, even make screening net 23 shake fast, to screening the gravel and sand that falls on screening net 23, the gravel and sand that fails to pass through screening net 23 will roll from second discharge gate 26 because of the screening net 23 of continuous vibrations and grind screening case 1, can collect it by collecting box 4, the gravel and sand that passes through screening net 23 will fall on the conveyer belt through first discharge gate 25, to sum up, can grind and screen gravel and sand, make the treatment effeciency of gravel and sand higher.
Example 2:
referring to fig. 2, a sand and stone grinding and screening device for construction engineering is basically the same as the device in the embodiment 1, and further comprises: the upper end of the grinding and screening box 1 is provided with a feeding cover, the lower end of the grinding and screening box 1 is provided with a first discharge hole 25, the lower end of the first discharge hole 25 is provided with a conveying belt, and one side of the grinding and screening box 1, which is close to the collecting box 4, is provided with a second discharge hole 26.
The gravel and sand that fails to pass through the screening net 23 will fall into the collection box 4 through the second discharge port 26, and the gravel and sand that passes through the screening net 23 will fall into the conveyer belt and be transported for use, and the gravel and sand that will sieve promptly conveniently will be treated separately, avoid making mixed.
Example 3:
referring to fig. 2, a sand and stone grinding and screening device for construction engineering is substantially the same as that of example 1, and further comprises: the upper parts of the fixed grinding roller 2 and the movable grinding roller 3 are provided with a guide cover 21, and the guide cover 21 is fixedly connected on the inner wall of the grinding and screening box 1.
Through the guide cover 21, sand and stones can fall between the fixed grinding roller 2 and the movable grinding roller 3, so that the sand and stones can be conveniently ground.
Example 4:
referring to fig. 2-4, a sand and stone grinding and screening device for construction engineering, which is substantially the same as the embodiment 1, further comprises: grind screening case 1 and keep away from the first mount pad 24 of one side inner wall fixedly connected with of second discharge gate 26, sliding connection has vibrations pole 245 in first mount pad 24, and the lower extreme fixedly connected with slider 247 of vibrations pole 245, the spout has been seted up to the position that is close to slider 247 on the screening frame 22, and slider 247 sliding connection is in the spout, and the one end that screening frame 22 is close to second discharge gate 26 rotates with grinding screening case 1 to be connected.
Rotate with grinding screening case 1 through the one end with screening frame 22 and be connected, can make screening frame 22 shake when vibrations pole 245 carries out up-and-down motion, thereby make the screening effect of screening net 23 on screening frame 22 better, and screening frame 22 rotates the one end downward sloping of being connected with grinding screening case 1, can shake the gravel and sand that can not pass through on screening net 23 and fall into collecting box 4 when making vibrations pole 245 drive screening frame 22 shake, conveniently with gravel and sand separately-processed.
Example 5:
referring to fig. 3-4, a sand and stone grinding and screening device for construction engineering, which is substantially the same as the embodiment 1, further comprises: fixedly connected with screening motor 241 in first mount pad 24, the internal rotation of first mount pad 24 is connected with drive shaft 242, vibrations post 244, the spacing collar, drive shaft 242 fixed connection is in the upper end of vibrations post 244, vibrations groove 246 has been seted up to the lower extreme of vibrations post 244, the spacing ball of upper end fixedly connected with of vibrations pole 245, spacing ball sliding connection is in vibrations groove 246, the upper end of drive shaft 242 and the output fixed connection of screening motor 241, vibrations post 244 side and spacing collar fixed connection, be equipped with same first chain 243 between two adjacent drive shaft 242.
Make vibrations post 244 rotate steadily through the spacing collar, screening motor 241's output and one of them drive shaft 242 fixed connection, owing to be equipped with first chain 243 between two adjacent drive shaft 242 for screening motor 241 can drive whole drive shaft 242 and rotate, and then conveniently drive whole vibrations post 244 and rotate, through the restriction of first mount pad 24 to vibrations pole 245, make and carry out up-and-down reciprocating motion simultaneously through vibrations groove 246 drive whole vibrations pole 245.
Example 6:
referring to fig. 5, a sand and stone grinding and screening device for construction engineering is substantially the same as that of example 1, and further comprises: first rotation post 27 rotates with grinding screening case 1 to be connected, grinding screening case 1 is close to the second and rotates the position of post 31 and has seted up the adjustment tank, the second rotates post 31 and rotates and connect in the adjustment tank, first rotation post 27, equal fixedly connected with spacing dish 41 on the second rotation post 31, spacing dish 41 pastes with grinding screening case 1 mutually, and spacing dish 41 rotates with grinding screening case 1 to be connected, the sliding connection of the position that the inner wall of grinding screening case 1 is close to the adjustment tank has baffle 32, baffle 32 pastes with the inner wall of grinding screening case 1 mutually, and baffle 32 and second rotate post 31 fixed connection.
Can make fixed grinding roller 2, activity grinding roller 3 rotate steadily through spacing dish 41, rotate the post 31 through making the second and slide in the adjustment tank, can be in order to adjust the distance between activity grinding roller 3 and the fixed grinding roller 2 to reach the effect of adjusting the grinding precision, because baffle 32 covers the adjustment tank, can not have the smoke and dust to emerge through the adjustment tank in grinding screening box 1 during feasible grinding.
Example 7:
referring to fig. 5, a sand and stone grinding and screening device for construction engineering is substantially the same as that of example 1, and further comprises: the equal first stopper 34 of fixedly connected with in both sides around grinding screening case 1, sliding connection has an alignment jig 33 in first stopper 34, and one side fixedly connected with second mount pad 35 that fixed grinding roller 2 was kept away from to grinding screening case 1, fixedly connected with regulation hydraulic cylinder 36 in the second mount pad 35, the output and the alignment jig 33 fixed connection of regulation hydraulic cylinder 36, alignment jig 33 and second rotate the post 31 and rotate and be connected.
The position of the adjusting bracket 33 is changed by adjusting the hydraulic cylinder 36, thereby facilitating the change of the position of the movable grinding roll 3.
Example 8:
referring to fig. 5-7, a sand and stone grinding and screening device for construction engineering, which is substantially the same as the embodiment 1, further comprises: grind the position fixedly connected with mount 43 that the front side of screening case 1 is close to grinding motor 42, mount 43 and grinding motor 42 fixed connection, grind the front side fixedly connected with third mount pad 5 of screening case 1, third mount pad 5 is located tensioning gear 53's below, fixedly connected with tensioning pneumatic cylinder 51 in the third mount pad 5, tensioning pneumatic cylinder 51's output fixedly connected with mounting bracket 52, tensioning gear 53 rotates to be connected in mounting bracket 52, the rear side of mounting bracket 52 is provided with second stopper 54, fixed block 55, second stopper 54 sliding connection is in fixed block 55, second stopper 54 and mounting bracket 52 fixed connection, fixed block 55 fixed connection is in the front side of grinding screening case 1.
When the movable grinding roller 3 needs to be driven to be far away from the fixed grinding roller 2, the tensioning hydraulic cylinder 51 pushes the mounting frame 52 to move upwards, so that the tensioning gear 53 can be driven to move upwards, and when the movable grinding roller 3 needs to be driven to be close to the fixed grinding roller 2, the tensioning gear 53 is driven to move downwards through the tensioning hydraulic cylinder 51, so that the transmission effect of the second chain 6 can be ensured, and the tensioning gear 53 is more stable due to the second limiting block 54.
The utility model simultaneously grinds and screens the sand and stone, thereby avoiding the trouble that the ground sand and stone are carried to the screening part for screening, leading the treatment efficiency of the sand and stone to be higher, and accelerating the progress of the construction engineering.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a gravel and sand grinding screening plant that building engineering used, is including grinding screening case (1), be provided with screening net (23) in grinding screening case (1), one side of grinding screening case (1) is equipped with collecting box (4), its characterized in that still includes:
the fixed grinding roller (2) and the movable grinding roller (3) are arranged in the grinding screening box (1);
the first rotating columns (27) are fixedly connected to the front end and the rear end of the fixed grinding roller (2);
the second rotating columns (31) are fixedly connected to the front end and the rear end of the movable grinding roller (3);
the grinding motor (42) is fixedly arranged on the front side of the grinding and screening box (1);
the tensioning gear (53) is movably arranged on the front side of the grinding and screening box (1);
the front end of the first rotating column (27) is fixedly connected with the output end of the grinding motor (42), and a same second chain (6) is arranged among the first rotating column (27), the second rotating column (31) and the tensioning gear (53);
the screening frame (22) is arranged below the fixed grinding roller (2) and the movable grinding roller (3);
wherein the screening net (23) is fixedly connected to the screening frame (22).
2. A gravel and sand grinding and screening device for building engineering according to claim 1, characterized in that the upper end of the grinding and screening box (1) is provided with a feeding cover, the lower end of the grinding and screening box (1) is provided with a first discharging hole (25), the lower end of the first discharging hole (25) is provided with a conveyer belt, and one side of the grinding and screening box (1) close to the collecting box (4) is provided with a second discharging hole (26).
3. A sand and stone grinding and screening device for building engineering according to claim 1, characterized in that a guide cover (21) is arranged above the fixed grinding roller (2) and the movable grinding roller (3), and the guide cover (21) is fixedly connected on the inner wall of the grinding and screening box (1).
4. The gravel and sand grinding and screening device for the building engineering as claimed in claim 2, wherein the grinding and screening box (1) is fixedly connected with a first mounting seat (24) on the inner wall of one side far away from the second discharge port (26), a vibration rod (245) is slidably connected in the first mounting seat (24), a sliding block (247) is fixedly connected at the lower end of the vibration rod (245), a sliding groove is formed in the position, close to the sliding block (247), of the screening frame (22), the sliding block (247) is slidably connected in the sliding groove, and one end, close to the second discharge port (26), of the screening frame (22) is rotatably connected with the grinding and screening box (1).
5. A sand and stone grinding and screening device for building engineering according to claim 4, a screening motor (241) is fixedly connected in the first mounting seat (24), a driving shaft (242), a vibration column (244) and a limiting ring are rotationally connected in the first mounting seat (24), the driving shaft (242) is fixedly connected with the upper end of the vibration column (244), the lower end of the vibration column (244) is provided with a vibration groove (246), the upper end of the vibration rod (245) is fixedly connected with a limiting ball which is connected in the vibration groove (246) in a sliding way, the upper end of the driving shaft (242) is fixedly connected with the output end of the screening motor (241), the side face of the vibration column (244) is fixedly connected with the limiting ring, and a same first chain (243) is arranged between every two adjacent driving shafts (242).
6. A sand and stone grinding and screening device for building engineering according to claim 1, the first rotating column (27) is rotationally connected with the grinding and screening box (1), an adjusting groove is arranged at the position of the grinding and screening box (1) close to the second rotating column (31), the second rotating column (31) is rotatably connected in the adjusting groove, the first rotating column (27) and the second rotating column (31) are both fixedly connected with a limiting disc (41), the limiting disc (41) is attached to the grinding and screening box (1), and the limiting disc (41) is rotationally connected with the grinding and screening box (1), the inner wall of the grinding and screening box (1) is connected with a baffle (32) at a position close to the adjusting groove in a sliding way, the baffle (32) is attached to the inner wall of the grinding and screening box (1), and the baffle (32) is fixedly connected with the second rotating column (31).
7. The gravel and sand grinding and screening device for building engineering according to claim 1, wherein the front side and the rear side of the grinding and screening box (1) are fixedly connected with first limiting blocks (34), adjusting frames (33) are slidably connected in the first limiting blocks (34), the grinding and screening box (1) is far away from one side of the fixed grinding roller (2) and is fixedly connected with a second mounting seat (35), an adjusting hydraulic cylinder (36) is fixedly connected in the second mounting seat (35), the output end of the adjusting hydraulic cylinder (36) is fixedly connected with the adjusting frames (33), and the adjusting frames (33) are rotatably connected with the second rotating column (31).
8. The gravel and sand grinding and screening device for building engineering according to claim 1, wherein the front side of the grinding and screening box (1) is close to a fixed frame (43) fixedly connected to the position of the grinding motor (42), the fixed frame (43) is fixedly connected to the grinding motor (42), the front side of the grinding and screening box (1) is fixedly connected to a third mounting seat (5), the third mounting seat (5) is located below the tensioning gear (53), a tensioning hydraulic cylinder (51) is fixedly connected to the inside of the third mounting seat (5), a mounting frame (52) is fixedly connected to the output end of the tensioning hydraulic cylinder (51), the tensioning gear (53) is rotatably connected to the inside of the mounting frame (52), a second limiting block (54) and a fixed block (55) are arranged at the rear side of the mounting frame (52), and the second limiting block (54) is slidably connected to the inside of the fixed block (55), the second limiting block (54) is fixedly connected with the mounting frame (52), and the fixing block (55) is fixedly connected to the front side of the grinding and screening box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121874375.2U CN215743683U (en) | 2021-08-11 | 2021-08-11 | Gravel and sand grinding and screening device that building engineering used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121874375.2U CN215743683U (en) | 2021-08-11 | 2021-08-11 | Gravel and sand grinding and screening device that building engineering used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215743683U true CN215743683U (en) | 2022-02-08 |
Family
ID=80073653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121874375.2U Expired - Fee Related CN215743683U (en) | 2021-08-11 | 2021-08-11 | Gravel and sand grinding and screening device that building engineering used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215743683U (en) |
-
2021
- 2021-08-11 CN CN202121874375.2U patent/CN215743683U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230331 Address after: No. 10-4, Puji Yanhe Street, Gejia Town, Wendeng District, Weihai City, Shandong Province, 264200 Patentee after: Weihai Juli New Building Materials Co.,Ltd. Address before: 528000 room 406, Dongwei building, No. 5, Tuqiang Road, Dali Town, Nanhai District, Foshan City, Guangdong Province Patentee before: Li Minsi |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220208 |