CN218107202U - Dust fall equipment of earthwork construction - Google Patents
Dust fall equipment of earthwork construction Download PDFInfo
- Publication number
- CN218107202U CN218107202U CN202221547680.5U CN202221547680U CN218107202U CN 218107202 U CN218107202 U CN 218107202U CN 202221547680 U CN202221547680 U CN 202221547680U CN 218107202 U CN218107202 U CN 218107202U
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- 238000010276 construction Methods 0.000 title claims abstract description 18
- 239000000428 dust Substances 0.000 title claims description 29
- 238000005507 spraying Methods 0.000 claims abstract description 27
- 238000000889 atomisation Methods 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 239000007921 spray Substances 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 10
- 230000005489 elastic deformation Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
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Abstract
The utility model belongs to the field of dust-settling equipment, in particular to dust-settling equipment for earthwork construction, which comprises a device main body, an atomization spraying part and a fortune horse wheel; the top end of the device main body is provided with an atomization spraying part, the bottom end of the device main body is provided with a fortune horse wheel, and one side of the atomization spraying part is provided with a cleaning mechanism; clean mechanism includes filter screen, fixed block, fixed slot, fixture block, loop bar, trepanning and reset spring, the filter screen sets up the one side in the portion that sprays that atomizes, fixed block fixed connection is in the both sides of filter screen, and fixed block sliding connection is in the inside of fixed slot, both sides around the device main part inner wall are seted up to the fixed slot, the one end of fixture block run through the fixed slot and with the fixed block, the one end of fixed block is kept away from to loop bar fixed connection at the fixture block, and the loop bar runs through the inside that the trepanning extends to the portion that sprays that atomizes, has realized through clean mechanism that the convenience is dismantled abluent function to the filter screen.
Description
Technical Field
The utility model relates to a dust fall equipment field specifically is a dust fall equipment of earthwork construction.
Background
Inevitable can produce a large amount of raise dusts in the in-process of earthwork excavation construction, can use dust fall equipment to control the raise dusts usually in order to avoid the raise dusts diffusion to cause the pollution.
Current dust fall equipment makes the water smoke descend to ground after combining with the raise dust in the air through spraying the comparatively serious region of raise dust again with the water atomization to play the effect that reduces the raise dust in the air, the raise dust pollution that causes when reducing the earthwork excavation.
Most of existing dust settling equipment for earthwork construction is inconvenient to clean a filter screen of the equipment, and the filter screen of the equipment is inevitably blocked due to dust and dust accumulation in the air after the equipment is used for a long time, so that the air supply quantity of the device is reduced, and atomized water vapor cannot be sprayed to a specified area; therefore, a dust-falling device for earthwork construction is provided to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to compensate prior art's not enough, the dust fall equipment of current earthwork construction is not convenient for mostly wash the filter screen of equipment, and equipment is difficult to avoid on its filter screen after long-time the use can be because the raise dust in the air and the dust pile up and produce the condition of jam to the air supply volume that leads to the device reduces, makes atomizing steam can't spray to the problem in appointed region, the utility model provides a dust fall equipment of earthwork construction.
The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a dust-settling device for earthwork construction, which comprises a device main body, an atomization spraying part and a fortune horse wheel; the top end of the device main body is provided with an atomization spraying part, the bottom end of the device main body is provided with a horse wheel, and one side of the atomization spraying part is provided with a cleaning mechanism;
clean mechanism includes filter screen, fixed block, fixed slot, fixture block, loop bar, trepanning and reset spring, the filter screen sets up the one side in the portion that sprays that atomizes, fixed block fixed connection is in the both sides of filter screen, and fixed block sliding connection is in the inside of fixed slot, both sides around the device main part inner wall are seted up to the fixed slot, the one end of fixture block run through the fixed slot and with the fixed block, the one end of fixed block is kept away from to loop bar fixed connection at the fixture block, and the loop bar runs through the inside that the trepanning extends to the portion that sprays that atomizes, both sides around the device main part are seted up to the trepanning, reset spring twines in the outside of loop bar.
Preferably, one end of the return spring is fixedly connected with the inner wall of the atomization spraying part, and the other end of the return spring is fixedly connected with the loop bar.
Preferably, be provided with coupling mechanism between device main part and the fortune horse wheel, coupling mechanism includes spread groove, locating piece, constant head tank, spacing chamber, spacing spring, stopper, spacing groove and auxiliary fixation subassembly, the bottom at the device main part is seted up to the spread groove, and the top cover of fortune horse wheel establishes the inside at the spread groove, locating piece fixed connection is in the both sides of spread groove inner wall, and the locating piece inserts the inside of establishing at the constant head tank, the both sides on fortune horse wheel top are seted up to the constant head tank, one side of keeping away from the spread groove inner wall at the locating piece is seted up in spacing chamber, spacing spring sets up the inside at spacing chamber, one side cover of stopper is established in the inside in spacing chamber, and the opposite side and the spacing groove block of stopper, the spacing groove is seted up on the inner wall of purple constant head tank, auxiliary fixation subassembly sets up between central point department and the spread groove on fortune horse wheel top.
Preferably, one side of the limiting spring, which is close to the limiting block, is fixedly connected with the limiting block, and one side of the limiting spring, which is far away from the limiting block, is fixedly connected to the inner wall of the limiting cavity.
Preferably, supplementary fixed subassembly includes fixed chamber, joint seat and joint piece, the central point department of putting on the fumonis wheel top is seted up in fixed chamber, joint seat fixed connection is in the inside in fixed chamber, joint piece fixed connection is close to the both sides of central point department of putting on the spread groove top.
Preferably, the inner walls of the clamping blocks are clamped with the clamping seats, and the clamping blocks are made of rubber.
The utility model discloses an useful part lies in:
1. the utility model realizes the function of conveniently disassembling and cleaning the filter screen through the structural design of the cleaning mechanism, solves the problems that most of the existing dust settling equipment for earthwork construction is inconvenient to clean the filter screen of the equipment, and the filter screen of the equipment is inevitably blocked due to the accumulation of dust and dust in the air after the equipment is used for a long time, thereby reducing the air supply quantity of the device and leading atomized water vapor to be incapable of being sprayed to a designated area;
2. the utility model discloses a coupling mechanism's structural design has realized the function that conveniently changes the horse wheel of fortune, has solved the condition that current horse wheel of fortune can produce the damage in the in-process that uses for a long time unavoidably, and is mostly fixed connection between current horse wheel and the device, and it is comparatively inconvenient to the change of horse wheel of fortune after the horse wheel damages, and then leads to the device comparatively not smooth problem when removing.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly introduced, obviously, the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a first embodiment;
FIG. 2 is a schematic top view, sectional structure of the first embodiment;
FIG. 3 is an enlarged structural view of the first embodiment at A in FIG. 2;
FIG. 4 is a schematic perspective cross-sectional view illustrating a first embodiment of the present invention;
FIG. 5 is an enlarged structural diagram of the first embodiment at B in FIG. 4;
fig. 6 is a schematic structural diagram of a partial cross-sectional perspective structure according to a second embodiment.
In the figure: 1. a device main body; 2. an atomizing and spraying part; 31. filtering with a screen; 32. a fixed block; 33. a fixing groove; 34. a clamping block; 35. a loop bar; 36. sleeving a groove; 37. a slider; 38. a chute; 39. a return spring; 4. a fortune horse wheel; 51. connecting grooves; 52. positioning blocks; 53. positioning a groove; 54. a limiting cavity; 55. a limiting spring; 56. a limiting block; 57. a limiting groove; 58. a fixed cavity; 59. a clamping seat; 61. and a clamping block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
Referring to fig. 1 to 5, a dust settling apparatus for earthwork construction includes a device body 1, an atomizing and spraying part 2, and a formalin wheel 4; an atomization spraying part 2 is arranged at the top end of the device main body 1, a fortune horse wheel 4 is arranged at the bottom end of the device main body 1, and a cleaning mechanism is arranged on one side of the atomization spraying part 2;
the cleaning mechanism comprises a filter screen 31, a fixing block 32, a fixing groove 33, a clamping block 34, a sleeve rod 35, a sleeve groove 36 and a return spring 39, the filter screen 31 is arranged on one side of the atomization spraying part 2, the fixing block 32 is fixedly connected to two sides of the filter screen 31, the fixing block 32 is slidably connected to the inside of the fixing groove 33, the fixing groove 33 is formed in the front side and the rear side of the inner wall of the device body 1, one end of the clamping block 34 penetrates through the fixing groove 33 and is clamped with the fixing block 32, the sleeve rod 35 is fixedly connected to one end, far away from the fixing block 32, of the clamping block 34, the sleeve rod 35 penetrates through the sleeve groove 36 and extends to the inside of the atomization spraying part 2, the sleeve groove 36 is formed in the front side and the rear side of the device body 1, and the return spring 39 is wound on the outer side of the sleeve rod 35;
when the filter screen 31 is to be disassembled and cleaned, firstly, the fixture block 34 is pulled towards the direction far away from the atomization spraying part 2, the fixture block 34 is moved to remove the limit of the fixture block 32, then, the filter screen 31 is pulled towards the direction far away from the atomization spraying part 2, the fixed block 32 is separated from the inside of the fixed groove 33 to complete the disassembly of the filter screen 31, when the cleaned filter screen 31 is to be installed, firstly, the fixture block 32 is aligned with the fixed groove 33, then, the filter screen 31 is pushed towards the atomization spraying part 2, the fixture block 32 is inserted into the inside of the fixed groove 33, when the fixed block 32 is inserted into the inside of the fixed groove 33, the inclined plane formed on the fixture block 34 is extruded by the fixture block 32, the fixture block 34 is moved under the action of the extrusion force and the sleeve rod 35 is driven to move synchronously, the fixture block 32 is inserted into the fixed groove 33, the elastic rod 35 is driven to drive the sleeve rod 35 to move synchronously, the fixture block 34 to restore the elastic force, and the elastic rod 35 is reset spring to restore the original position of the fixture block 32, and restore the elastic rod 34, and the elastic rod 35 to restore the original position of the fixture block 32.
Further, one end of the return spring 39 is fixedly connected with the inner wall of the atomizing and spraying part 2, and the other end of the return spring 39 is fixedly connected with the loop bar 35;
during operation, the restoring force of the return spring 39 acts to automatically return the latch 34.
Further, a connecting mechanism is arranged between the device main body 1 and the rocking wheel 4, the connecting mechanism comprises a connecting groove 51, a positioning block 52, a positioning groove 53, a limiting cavity 54, a limiting spring 55, a limiting block 56, a limiting groove 57 and an auxiliary fixing component, the connecting groove 51 is arranged at the bottom end of the device main body 1, the top end of the rocking wheel 4 is sleeved inside the connecting groove 51, the positioning block 52 is fixedly connected to two sides of the inner wall of the connecting groove 51, the positioning block 52 is inserted inside the positioning groove 53, the positioning groove 53 is arranged on two sides of the top end of the rocking wheel 4, the limiting cavity 54 is arranged on one side of the positioning block 52 away from the inner wall of the connecting groove 51, the limiting spring 55 is arranged inside the limiting cavity 54, one side of the limiting block 56 is sleeved inside the limiting cavity 54, the other side of the limiting block 56 is clamped with the limiting groove 57, the limiting groove 57 is arranged on the inner wall of the purple positioning groove 53, and the auxiliary fixing component is arranged between the central position of the top end of the rocking wheel 4 and the connecting groove 51;
during operation, the condition that current fortune horse wheel 4 can produce the damage in-process used for a long time unavoidably, and be mostly fixed connection between current fortune horse wheel 4 and the device, it is comparatively inconvenient to the change of fortune horse wheel 4 after fortune horse wheel 4 damages, and then lead to the device to be comparatively unsmooth when moving, when will installing fortune horse wheel 4, at first align locating slot 53 that the top of fortune horse wheel 4 was seted up with the inside fixed connection's of spread groove 51 locating piece 52, then insert fortune horse wheel 4 to the inside of spread groove 51, make locating piece 52 insert the inside of locating slot 53 in step, the inner wall of locating slot 53 produces the extrusion to stopper 56 when locating piece 52 inserts the inside of locating slot 53, make stopper 56 remove and produce the extrusion to spacing spring 55 to the inside of spacing chamber 54, make spacing spring 55 produce elastic deformation, the inner wall of locating slot 53 disappears to the extrusion force of stopper 56 when locating piece 52 inserts the inside of locating slot 53 completely, stopper 56 disappears to the original position and insert the inside of spacing groove 57, play the fixed effect of going on fortune horse wheel 4 when going on the reverse operation.
Further, one side of the limiting spring 55 close to the limiting block 56 is fixedly connected with the limiting block 56, and one side of the limiting spring 55 far from the limiting block 56 is fixedly connected to the inner wall of the limiting cavity 54;
when the automatic reset device works, the effect of automatic reset of the limiting block 56 after the extrusion force received by the limiting spring 55 disappears is achieved through the action of the reducing force of the limiting spring.
Further, the auxiliary fixing component comprises a fixing cavity 58, a clamping seat 59 and clamping blocks 61, the fixing cavity 58 is arranged at the center of the top end of the Frouhorse wheel 4, the clamping seat 59 is fixedly connected inside the fixing cavity 58, and the clamping blocks 61 are fixedly connected to two sides of the top end of the connecting groove 51 close to the center;
the during operation, when the top of fortune horse wheel 4 inserts the inside to spread groove 51, joint piece 61 is the inside of fixed cavity 58 in step insertion too, the both sides of joint seat 59 produce the extrusion to the inner wall of two sets of joint pieces 61 this moment, make two sets of joint pieces 61 all produce elastic deformation, after the top of fortune horse wheel 4 inserts the inside to spread groove 51 completely, joint piece 61 also inserts the inside to fixed cavity 58 completely, the extrusion force of the both sides of joint seat 59 to joint piece 61 disappears this moment, joint piece 61 that adopts rubber material resumes to the original state and with fixed cavity 58 block under the effect of self reducing force, play and carry out the effect of auxiliary fixation to fortune horse wheel 4.
Further, the inner walls of the two sets of clamping blocks 61 are clamped with the clamping seats 59, and the clamping blocks 61 are made of rubber;
during operation, play through adopting rubber materials and make joint piece 61 can produce elastic deformation's effect when receiving the extrusion.
Example two
Referring to fig. 6, as another embodiment of the present invention, in a first comparative example, further, both sides of the inner wall of the sleeve groove 36 are fixedly connected with sliding blocks 37, the sliding blocks 37 are slidably connected inside sliding grooves 38, and the sliding grooves 38 are formed on both sides of the sleeve rod 35; during operation, the sliding block 37 slides inside the sliding groove 38 synchronously along with the movement of the loop bar 35, the effect of the combination of the sliding block 37 and the sliding groove 38 is used for limiting the movement distance of the loop bar 35 and the fixture block 34 and the rotation of the loop bar 35, and the fixture block 34 is prevented from rotating by taking the loop bar 35 as a circle center after the loop bar 35 moves excessively.
The working principle is as follows: most of existing dust fall equipment for earthwork construction is inconvenient to clean a filter screen of the equipment, the filter screen of the equipment is inevitably blocked due to accumulation of dust and dirt in air after the equipment is used for a long time, air supply of the device is reduced, atomized water vapor cannot be sprayed to a designated area, when the filter screen 31 needs to be detached and cleaned, the fixture block 34 is firstly pulled towards a direction away from the atomization spraying portion 2, the fixture block 34 moves to remove the limit of the fixture block 32, then the filter screen 31 is pulled towards the direction away from the atomization spraying portion 2, the fixture block 32 is separated from the inside of the fixing groove 33, the filter screen 31 can be detached, when the cleaned filter screen 31 needs to be installed, the fixture block 32 is firstly aligned with the fixing groove 33, then the filter screen 31 is pushed towards the atomization spraying portion 2, the fixture block 32 is inserted into the inside of the fixing groove 33, when the fixture block 32 is inserted into the inside of the fixing groove 33, the inclined plane formed by the fixture block 32 extrudes the fixture block 34, the fixture block 34 moves synchronously under the action of extrusion force and drives the sleeve rod 35 to move synchronously, the sleeve rod 35 is enabled to restore the elastic force generated by the sleeve rod 35, and the spring is reset force generated by the fixture block 32, and the spring is reset, and the spring is restored to restore the original position, and the original position of the spring, the spring 34, and the spring 34 is restored, and the spring is restored, and the spring 34 is restored when the fixture block 34 is restored.
The existing lucky horse wheel 4 is difficult to avoid producing the damaged condition in the long-time use process, and mostly be fixed connection between current lucky horse wheel 4 and the device, it is inconvenient to the change of lucky horse wheel 4 after lucky horse wheel 4 damages, and then lead to the device to be comparatively unsmooth when moving, when will installing fortune horse wheel 4, at first align locating slot 53 that set up on the top of fortune horse wheel 4 with the inside fixed connection's of spread groove 51 locating piece 52, then insert fortune horse wheel 4 to the inside of spread groove 51, make locating piece 52 insert the inside of locating slot 53 in step, the inner wall of locating slot 53 produces the extrusion to stopper 56 when locating piece 52 inserts the inside of locating slot 53, make stopper 56 move and produce the extrusion to spacing spring 55 to the inside of spacing chamber 54, make spacing spring 55 produce elastic deformation, the inner wall of locating slot 53 disappears to the extrusion force of stopper 56 when locating piece 52 inserts the inside of locating slot 53 completely, stopper 56 restores to the normal position and inserts the inside of spacing groove 57 block under the effect of spacing spring 55 and the inside that the block 57 blocks the bayonet, can dismantle the fortune horse wheel 4 when carrying out reverse operation.
When the top of blessing horse wheel 4 inserts in the inside of spread groove 51, joint piece 61 also synchronous insertion to the inside of fixed cavity 58, the both sides of joint seat 59 produce the extrusion to the inner wall of two sets of joint pieces 61 this moment, make two sets of joint pieces 61 all produce elastic deformation, after the top of blessing horse wheel 4 inserts the inside of spread groove 51 completely, joint piece 61 also inserts the inside to fixed cavity 58 completely, the extrusion force of the both sides of joint seat 59 to joint piece 61 disappears this moment, joint piece 61 that adopts the rubber material resumes to the original state and with fixed cavity 58 block under the effect of self reducing force, play and carry out the effect of supplementary fixed to blessing horse wheel 4.
In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a dust fall equipment of earthwork construction which characterized in that: comprises a device body (1), an atomization spraying part (2) and a Fuma wheel (4); the top end of the device main body (1) is provided with an atomization spraying part (2), the bottom end of the device main body (1) is provided with a fortune horse wheel (4), and one side of the atomization spraying part (2) is provided with a cleaning mechanism;
clean mechanism includes filter screen (31), fixed block (32), fixed slot (33), fixture block (34), loop bar (35), trepanning (36) and reset spring (39), filter screen (31) set up in the atomizing one side of spraying portion (2), fixed block (32) fixed connection is in the both sides of filter screen (31), and fixed block (32) sliding connection is in the inside of fixed slot (33), both sides around device main part (1) inner wall are seted up in fixed slot (33), the one end of fixture block (34) is run through fixed slot (33) and with fixed block (32) block, the one end of fixed block (32) is kept away from in loop bar (35) fixed connection at fixture block (34), and loop bar (35) run through the inside that trepanning (36) extend to atomizing spraying portion (2), both sides around device main part (1) are seted up in loop bar (36), reset spring (39) twine in the outside of loop bar (35).
2. The dust fall equipment of earth construction of claim 1, characterized in that: one end of the return spring (39) is fixedly connected with the inner wall of the atomization spraying part (2), and the other end of the return spring (39) is fixedly connected with the loop bar (35).
3. The dust fall equipment of earth construction according to claim 2, characterized in that: be provided with coupling mechanism between device main part (1) and fortune horse wheel (4), coupling mechanism includes spread groove (51), locating piece (52), constant head tank (53), spacing chamber (54), spacing spring (55), stopper (56), spacing groove (57) and supplementary fixed subassembly, the bottom in device main part (1) is seted up in spread groove (51), and the top cover of fortune horse wheel (4) establishes in the inside of spread groove (51), locating piece (52) fixed connection is in the both sides of spread groove (51) inner wall, and inside at constant head tank (53) is inserted in locating piece (52), both sides at fortune horse wheel (4) top are seted up in constant head tank (53), one side cover of spacing chamber (56) is established in the inside of spacing chamber (54), and the opposite side and the spacing groove (57) block of stopper (56), spacing groove (57) are seted up in the one side of locating piece (52) keeping away from spread groove (51) inner wall, spacing spring (55) set up in the inside of spacing chamber (54), one side cover of stopper (56) is established in the inside of spacing chamber (54), and the inboard wall of limit groove (53) sets up the auxiliary fixed subassembly and the purple horse wheel (4) top is located.
4. The earth construction dust fall device according to claim 3, characterized in that: one side of the limiting spring (55) close to the limiting block (56) is fixedly connected with the limiting block (56), and one side of the limiting spring (55) far away from the limiting block (56) is fixedly connected to the inner wall of the limiting cavity (54).
5. The dust fall equipment of earthwork of claim 4, wherein: supplementary fixed subassembly includes fixed chamber (58), joint seat (59) and joint piece (61), the central point that sets up on fortune horse wheel (4) top in fixed chamber (58) puts the department, joint seat (59) fixed connection is in the inside in fixed chamber (58), joint piece (61) fixed connection is close to the both sides that the central point put the department in spread groove (51) top.
6. The dust fall equipment of earth construction according to claim 5, characterized in that: two sets of the inner wall of joint piece (61) all with joint seat (59) block, and joint piece (61) is the rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221547680.5U CN218107202U (en) | 2022-06-20 | 2022-06-20 | Dust fall equipment of earthwork construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221547680.5U CN218107202U (en) | 2022-06-20 | 2022-06-20 | Dust fall equipment of earthwork construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218107202U true CN218107202U (en) | 2022-12-23 |
Family
ID=84515495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221547680.5U Expired - Fee Related CN218107202U (en) | 2022-06-20 | 2022-06-20 | Dust fall equipment of earthwork construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218107202U (en) |
-
2022
- 2022-06-20 CN CN202221547680.5U patent/CN218107202U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20221223 |