CN210415617U - Waterproofing membrane compaction device - Google Patents
Waterproofing membrane compaction device Download PDFInfo
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- CN210415617U CN210415617U CN201920872136.XU CN201920872136U CN210415617U CN 210415617 U CN210415617 U CN 210415617U CN 201920872136 U CN201920872136 U CN 201920872136U CN 210415617 U CN210415617 U CN 210415617U
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- waterproofing membrane
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- 239000012528 membrane Substances 0.000 title claims abstract description 34
- 238000004078 waterproofing Methods 0.000 title claims abstract description 34
- 238000005056 compaction Methods 0.000 title claims abstract description 27
- 230000006835 compression Effects 0.000 claims abstract description 29
- 238000007906 compression Methods 0.000 claims abstract description 29
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 4
- 239000010935 stainless steel Substances 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 20
- 230000000087 stabilizing effect Effects 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 7
- 230000000977 initiatory effect Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000004873 anchoring Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009795 derivation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a waterproofing membrane compaction device, which comprises a flat plate, an adjusting structure, a stable structure and a guiding structure, wherein a working plate is a stainless steel plane plate structure, vertical plates are arranged at the two sides of the middle part of the upper end of the working plate, slide holes at the front side and the rear side of the upper end of each vertical plate are connected with a slide column in a sliding way, the upper end of each slide column is fixedly connected with the bottom surface of a top plate, the two symmetrically distributed vertical plates and the two symmetrically distributed top plate inner walls are rotationally connected with a rotating shaft through bearings, the waterproofing membrane compaction device is convenient to operate, the compaction degree of a waterproofing membrane can be reasonably adjusted according to requirements, the stability of each structure is fully ensured in the adjusting process, the device is prevented from being damaged due to overlarge shaking, the distance between two compression rollers can be visually known by personnel, guiding support before and after the input of the waterproofing membrane is provided, the work burden of the personnel, the compaction quality of the waterproof coiled material is ensured.
Description
Technical Field
The utility model relates to a waterproofing membrane production facility technical field specifically is a waterproofing membrane compaction device.
Background
The waterproof coiled material is a flexible building material product which can be curled into a roll shape and is mainly used for building walls, roofs, tunnels, roads, refuse landfills and the like, has the function of resisting external rainwater and underground water leakage, is a leakage-free connection between an engineering foundation and a building, is a waterproof first barrier of the whole engineering, plays a vital role in the whole engineering, needs to be compacted in the production process of the waterproof coiled material to ensure the compact shape of an internal structure, but the traditional compacting equipment has a plurality of defects, is structurally auxiliary and complex to operate, cannot reasonably adjust the compacting degree of the waterproof coiled material according to the requirement, cannot fully ensure the stability of each structure in the adjusting process, cannot avoid the damage to the equipment due to overlarge shaking, cannot allow personnel to visually know the distance between two compression rollers, and cannot provide guiding support before and after the input of the waterproof coiled material, the work burden of personnel has been increased intangibly, and is comparatively slow to waterproofing membrane's compaction speed, is difficult to obtain the guarantee to waterproofing membrane's compaction quality, consequently can solve the waterproofing membrane compaction device's of this type of problem realization and be imperative.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is overcome current defect, a waterproofing membrane compaction device is provided, high durability and convenient operation, can be according to the demand, the rational regulation is to waterproofing membrane's compaction degree, and the stability of each structure has fully been guaranteed in accommodation process, avoid rocking too big and damage equipment, can let the interval of two compression rollers of personnel's understanding directly perceivedly, the direction support before providing waterproofing membrane input and after the output, personnel's work burden has been alleviateed, the compaction speed to waterproofing membrane has been accelerated, the compaction quality to waterproofing membrane has been guaranteed, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a waterproof coiled material compaction device comprises a flat plate, an adjusting structure, a stabilizing structure and a guiding structure;
a working plate: the working plate is of a stainless steel plane plate structure, vertical plates are arranged on two sides of the middle of the upper end of the working plate, sliding holes in the front side and the rear side of the upper end of each vertical plate are in sliding connection with sliding columns, the upper ends of the sliding columns are fixedly connected with the bottom surface of a top plate, the two vertical plates which are symmetrically distributed and the inner walls of the two top plates which are symmetrically distributed are rotatably connected with a rotating shaft through bearings, the inner side ends of the two rotating shafts which are coaxially arranged are fixedly connected with two ends of a compression roller, the two compression rollers are matched, servo motors are arranged on the side surfaces of the vertical plate and the top plate on the rear side, and output shafts;
the adjusting structure is as follows: the adjusting structures are arranged on two sides of the middle part of the upper end of the working plate and are installed in a matched mode with the upper end of the top plate;
firm structure: the stabilizing structure is arranged in the adjusting structure and is fixedly connected with the front side and the rear side of the top plate;
the guiding structure is as follows: the guide structure is arranged at the upper end of the working plate and is matched with the compression roller;
wherein: still include control switch group, control switch group sets up the upper end front side in the working plate, external power source is connected to control switch group's input electricity, servo motor's input electricity connection control switch group's output, high durability and convenient operation, can be according to the demand, the compaction degree to waterproofing membrane is rationally adjusted, and fully guaranteed the stability of each structure in accommodation process, avoid rocking too big and damage equipment, can let the interval of two compression rollers of personnel's audio-visual understanding, the direction support before the waterproofing membrane input and after the output is provided, personnel's work burden has been alleviateed, the compaction speed to waterproofing membrane has been accelerated, the compaction quality to waterproofing membrane has been guaranteed.
Further, adjust the structure and include U-shaped grillage, adjusting screw and knob, the upper end middle part both sides of working plate are arranged in to the U-shaped grillage, and adjusting screw threaded connection is in the upper end of U-shaped grillage, and adjusting screw's bottom extends to the inside of U-shaped grillage and rotates through the upper end of bearing and roof to be connected, and the knob sets up in adjusting screw's top, is convenient for adjust compaction degree.
Further, stable structure includes sleeve, spring, flexible post and leading wheel, the sleeve sets up both sides around the roof, and the spring sets up on the inside lateral wall face of sleeve, flexible post penetrate telescopic inside and with the outside end fixed connection of spring, the leading wheel sets up in the outside end department of flexible post, and the stability of each structure is guaranteed at the adjustment process in the rolling slot sliding connection of leading wheel on the vertical inner wall of U-shaped plate frame.
Further, guide structure includes L shaped plate, fixed cylinder and direction drum, the L shaped plate sets up in the upper surface front side left end of working plate, and fixed cylinder sets up in the right side upper end of L shaped plate, and the direction drum is at the circular rotating groove sliding connection on fixed cylinder surface, provides the support direction before the waterproofing membrane input.
Further, still including installation riser, direction cylinder, supporting baseplate and mounting hole, the installation riser sets up in the upper surface rear side left end of working plate, and the direction cylinder sets up in the right side of riser, and the supporting baseplate evenly sets up in the bottom surface both sides of working plate, and the mounting hole evenly sets up in the bottom of supporting baseplate, and the installation of the device of being convenient for provides the support direction after the waterproofing membrane output.
Further, still include scale and laser lamp, the laser lamp sets up in the roof front side on right side, and the laser lamp corresponds the setting with the compression roller cambered surface lower extreme of upper end, and the scale sets up on the inside front wall of U-shaped plate frame on right side, and the initiating terminal of scale corresponds the setting with the compression roller cambered surface highest extreme of lower extreme, and the output of the input electricity connection control switch group of laser lamp is convenient for adjust the interval of two compression rollers directly perceived.
Compared with the prior art, the beneficial effects of the utility model are that: this waterproofing membrane compaction device has following benefit:
1. rotating knob, because adjusting screw and the upper end threaded connection of U-shaped plate frame, adjusting screw's bottom is passed through the bearing and is connected with the upper end rotation of roof, and the slide opening and the traveller sliding connection of both sides around the riser upper end realize that the roof reciprocates, drive the compression roller of upper end and reciprocate, adjust and press from both sides tight compaction degree, have alleviateed personnel's work burden, are convenient for carry out the regulation of compaction degree according to the demand.
2. In the adjustment process, under the elastic support of spring, flexible post is flexible in the sleeve, through the rolling slot sliding connection of leading wheel on the vertical inner wall of U-shaped plate frame, realizes firm regulation, avoids rocking and damages equipment.
3. Because the initiating terminal of scale corresponds the setting with the compression roller cambered surface highest end of lower extreme, and the laser lamp corresponds the setting with the compression roller cambered surface lowest end of upper end, and through the regulation and control of control switch group, the laser lamp is opened, compares the interval that shines the point and come two compression rollers of understanding directly perceivedly on the scale, has alleviateed personnel's work burden, has guaranteed the compaction quality to waterproofing membrane.
4. The bottom surface of the derived waterproof coiled material is contacted with the guide cylinder, and the guide cylinder is in sliding connection in the circular rotating groove on the surface of the fixed cylinder, so that the waterproof coiled material can be smoothly derived conveniently.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the internal cross-sectional structure of the adjusting structure of the present invention;
fig. 4 is a schematic view of the internal sectional structure of the stabilizing structure of the present invention.
In the figure: 1 working plate, 2 vertical plates, 3 sliding columns, 4 top plates, 5 rotating shafts, 6 compression rollers, 7 servo motors, 8 adjusting structures, 81U-shaped plate frames, 82 adjusting screws, 83 knobs, 9 stabilizing structures, 91 sleeves, 92 springs, 93 telescopic columns, 94 guide wheels, 10 guiding structures, 101L-shaped plates, 102 fixed cylinders, 103 guiding cylinders, 11 installation vertical plates, 12 guiding cylinders, 13 control switch groups, 14 supporting bottom plates, 15 installation holes, 16 graduated scales and 17 laser lamps.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a waterproofing membrane compaction device comprises a flat plate 1, an adjusting structure 8, a stabilizing structure 9 and a guiding structure 10;
working plate 1: the working plate 1 is a stainless steel plane plate structure, the working plate 1 provides a bottom support and installation place, vertical plates 2 are arranged on two sides of the middle part of the upper end of the working plate 1, the vertical plates 2 provide a support and placement place, slide holes on the front side and the rear side of the upper end of each vertical plate 2 are in sliding connection with a slide column 3 to ensure normal up-down adjustment, the upper end of each slide column 3 is fixedly connected with the bottom surface of a top plate 4, the inner walls of the two symmetrically-distributed vertical plates 2 and the two symmetrically-distributed top plates 4 are rotatably connected with a rotating shaft 5 through bearings, the inner side ends of the two coaxially-arranged rotating shafts 5 are fixedly connected with two ends of a compression roller 6, the two compression rollers 6 are arranged in a matching manner, servo motors 7 are arranged on the side surfaces of the vertical plates 2 and the top plates 4 on the rear side, output shafts of the servo motors 7 are fixedly connected with the rear ends, compacting the waterproof coiled material and then guiding out;
the adjusting structure 8: adjusting structure 8 is arranged on two sides of the middle part of the upper end of working plate 1, adjusting structure 8 is installed in cooperation with the upper end of top plate 4, adjusting structure 8 comprises a U-shaped plate frame 81, an adjusting screw 82 and a knob 83, U-shaped plate frame 81 is arranged on two sides of the middle part of the upper end of working plate 1, adjusting screw 82 is in threaded connection with the upper end of U-shaped plate frame 81, the bottom end of adjusting screw 82 extends into U-shaped plate frame 81 and is rotatably connected with the upper end of top plate 4 through a bearing, knob 83 is arranged on the top end of adjusting screw 82, knob 83 is rotated, due to the fact that adjusting screw 82 is in threaded connection with the upper end of U-shaped plate frame 81, the bottom end of adjusting screw 82 is rotatably connected with the upper end of top plate 4 through a bearing, slide holes on the front;
the stable structure 9: the stabilizing structure 9 is arranged inside the adjusting structure 8 and fixedly connected with the front side and the rear side of the top plate 4, the stabilizing structure 9 comprises a sleeve 91, a spring 92, a telescopic column 93 and a guide wheel 94, the sleeve 91 is arranged on the front side and the rear side of the top plate 4, the spring 92 is arranged on the inner side wall surface inside the sleeve 91, the telescopic column 93 penetrates into the sleeve 91 and is fixedly connected with the outer side end of the spring 92, the guide wheel 94 is arranged at the outer side end of the telescopic column 93, the guide wheel 94 is in sliding connection with a rolling groove on the vertical inner wall of the U-shaped plate frame 81, in the adjusting process, under the elastic support of the spring 92, the telescopic column 93 stretches and retracts inside the sleeve 91, and is in sliding connection with the rolling groove on the vertical inner wall of the U-shaped plate frame 81 through the guide wheel 94, so;
the guide structure 10: the guide structure 10 is arranged at the upper end of the working plate 1 and is matched with the press roller 6, the guide structure 10 comprises an L-shaped plate 101, a fixed cylinder 102 and a guide cylinder 103, the L-shaped plate 101 is connected in a supporting mode, the L-shaped plate 101 is arranged at the left end of the front side of the upper surface of the working plate 1, the fixed cylinder 102 is arranged at the upper end of the right side of the L-shaped plate 101, the guide cylinder 103 is connected in a circular rotating groove in the surface of the fixed cylinder 102 in a sliding mode, the waterproof coiled material is compacted and then led out, the bottom surface of the led waterproof coiled material contacts with the guide cylinder 103, and the guide cylinder 103 is connected in the circular rotating groove in the surface of the;
wherein: the waterproof roll compacting device further comprises a control switch group 13, the control switch group 13 regulates and controls normal operation of each structure, the control switch group 13 is arranged on the front side of the upper end of the working plate 1, the waterproof roll compacting device further comprises an installation vertical plate 11, a guide cylinder 12, a supporting bottom plate 14 and an installation hole 15, the installation vertical plate 11 provides connection support, the guide cylinder 12 supports guide support in the compacting process of a waterproof roll, the installation hole 15 at the bottom end of the supporting bottom plate 14 is in threaded connection with an installation part through a bolt, installation of the device is achieved, the installation vertical plate 11 is arranged at the left end of the rear side of the upper surface of the working plate 1, the guide cylinder 12 is arranged at the right side of the vertical plate 11, the supporting bottom plate 14 is uniformly arranged on two sides of the bottom surface of the working plate 1, the installation hole 15 is uniformly arranged at the bottom end of the supporting bottom plate 14, the waterproof roll compacting device further comprises, scale 16 sets up on the inside front wall of U-shaped plate frame 81 on right side, the initiating terminal of scale 16 corresponds the setting with the 6 cambered surface highest ends of the compression roller of lower extreme, because the initiating terminal of scale 16 corresponds the setting with the 6 cambered surface highest ends of the compression roller of lower extreme, laser lamp 17 corresponds the setting with the 6 cambered surface lowest ends of the compression roller of upper end, regulation and control through control switch group 13, laser lamp 17 is opened, compare on scale 16 and shine the interval that the point comes two compression rollers 6 of directly perceived understanding, external power source is connected to control switch group 13's input electricity, the equal electric connection control switch group 13's of input of laser lamp 17 and servo motor 7 output.
When in use: the installation of the device is realized by connecting the installation hole 15 at the bottom end of the supporting bottom plate 14 with the installation part through a bolt, the winding drum of the waterproof coiled material is inserted on the external fixed cylinder, the bottom surface of the waterproof coiled material contacts with the guide cylinder 12, the end of the waterproof coiled material is placed in the gap between the two press rollers 6, the knob 83 is rotated, as the adjusting screw 82 is in threaded connection with the upper end of the U-shaped plate frame 81, the bottom end of the adjusting screw 82 is rotatably connected with the upper end of the top plate 4 through a bearing, the sliding holes at the front side and the rear side of the upper end of the vertical plate 2 are in sliding connection with the sliding columns 3, the top plate 4 is driven to move up and down, the press rollers 6 at the upper end are driven to move up and down to adjust the clamping compaction degree, in the adjusting process, the telescopic columns 93 stretch out and draw back in the sleeve 91 under the elastic support, avoid rocking and damage equipment, because the initiating terminal of scale 16 corresponds the setting with the 6 cambered surface highest ends of compression roller of lower extreme, laser lamp 17 corresponds the setting with the 6 cambered surface lowest ends of compression roller of upper end, regulation and control through control switch group 13, laser lamp 17 is opened, compare the interval that the illumination point comes two compression rollers 6 of audio-visual understanding on scale 16, two servo motor 7 anticlockwise same frequency operation, the output shaft rotates and drives rotation axis 5 and compression roller 6 rotatory, derive behind the waterproofing membrane compaction, the waterproofing membrane bottom surface contact direction drum 103 of derivation, because direction drum 103 is sliding connection in the ring runner on fixed cylinder 102 surface, the smooth derivation of the waterproofing membrane of being convenient for, personnel in time collect the processing, after finishing using, each structure resumes the original state can.
It should be noted that, the control switch group 13 disclosed in this embodiment controls the laser lamp 17 and the servo motor 7 to work by a method commonly used in the prior art, and the laser lamp 17 and the servo motor 7 are original components commonly used in waterproof roll production equipment in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a waterproofing membrane compaction device which characterized in that: comprises a working plate (1), an adjusting structure (8), a stabilizing structure (9) and a guiding structure (10);
working plate (1): the working plate (1) is of a stainless steel plane plate structure, vertical plates (2) are arranged on two sides of the middle of the upper end of the working plate (1), slide holes in the front side and the rear side of the upper end of each vertical plate (2) are connected with a slide column (3) in a sliding mode, the upper end of each slide column (3) is fixedly connected with the bottom surface of a top plate (4), the inner walls of the two symmetrically-distributed vertical plates (2) and the inner walls of the two symmetrically-distributed top plates (4) are rotatably connected with a rotating shaft (5) through bearings, the inner side ends of the two rotating shafts (5) which are coaxially arranged are fixedly connected with two ends of a compression roller (6), the two compression rollers (6) are arranged in a matching mode, servo motors (7) are arranged on the side surfaces of the vertical plates (2) and the side surfaces of the top plates (4) on the;
adjusting structure (8): the adjusting structures (8) are arranged on two sides of the middle part of the upper end of the working plate (1), and the adjusting structures (8) are installed in a matched mode with the upper end of the top plate (4);
anchoring structure (9): the stabilizing structure (9) is arranged inside the adjusting structure (8) and is fixedly connected with the front side and the rear side of the top plate (4);
guide structure (10): the guide structure (10) is arranged at the upper end of the working plate (1) and is matched with the press roller (6);
wherein: still include control switch group (13), control switch group (13) set up in the upper end front side of working plate (1), and external power source is connected to the input electricity of control switch group (13), and the output of control switch group (13) is connected to the input electricity of servo motor (7).
2. A waterproofing membrane compacting apparatus according to claim 1 wherein: adjusting structure (8) include U-shaped grillage (81), adjusting screw (82) and knob (83), U-shaped grillage (81) set up in the upper end middle part both sides of working plate (1), and adjusting screw (82) threaded connection is in the upper end of U-shaped grillage (81), and the bottom of adjusting screw (82) extends to the inside of U-shaped grillage (81) and rotates through the upper end of bearing and roof (4) to be connected, and knob (83) set up in the top of adjusting screw (82).
3. A waterproofing membrane compacting apparatus according to claim 1 wherein: firm structure (9) include sleeve (91), spring (92), flexible post (93) and leading wheel (94), sleeve (91) set up in both sides around roof (4), and spring (92) set up on the inside lateral wall face of sleeve (91), and flexible post (93) are worn into the inside of sleeve (91) and with the outside end fixed connection of spring (92), and leading wheel (94) set up in the outside end department of flexible post (93), and leading wheel (94) sliding connection in the rolling slot on the vertical inner wall of U-shaped grillage (81).
4. A waterproofing membrane compacting apparatus according to claim 1 wherein: guide structure (10) include L shaped plate (101), fixed cylinder (102) and direction drum (103), L shaped plate (101) set up in the upper surface front side left end of working plate (1), and fixed cylinder (102) set up in the right side upper end of L shaped plate (101), and direction drum (103) are at the circular rotation inslot sliding connection on fixed cylinder (102) surface.
5. A waterproofing membrane compacting apparatus according to claim 1 wherein: still including installation riser (11), direction cylinder (12), supporting baseplate (14) and mounting hole (15), installation riser (11) set up in the upper surface rear side left end of working plate (1), and direction cylinder (12) set up in the right side of installation riser (11), and supporting baseplate (14) evenly set up in the bottom surface both sides of working plate (1), and mounting hole (15) evenly set up in the bottom of supporting baseplate (14).
6. A waterproofing membrane compacting apparatus according to claim 2 wherein: still include scale (16) and laser lamp (17), laser lamp (17) set up in roof (4) front side on right side, and laser lamp (17) correspond the setting with compression roller (6) cambered surface lower extreme of upper end, and scale (16) set up on the inside front wall of U-shaped grillage (81) on right side, and the initiating terminal of scale (16) corresponds the setting with compression roller (6) cambered surface highest end of lower extreme, and the output of the input electricity connection control switch group (13) of laser lamp (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920872136.XU CN210415617U (en) | 2019-06-12 | 2019-06-12 | Waterproofing membrane compaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920872136.XU CN210415617U (en) | 2019-06-12 | 2019-06-12 | Waterproofing membrane compaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210415617U true CN210415617U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920872136.XU Expired - Fee Related CN210415617U (en) | 2019-06-12 | 2019-06-12 | Waterproofing membrane compaction device |
Country Status (1)
| Country | Link |
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| CN (1) | CN210415617U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111530880A (en) * | 2020-06-05 | 2020-08-14 | 江苏大橡木集团有限公司 | Ventilation cabinet air speed alarm system device |
| CN114888612A (en) * | 2022-04-20 | 2022-08-12 | 湖南汽车工程职业学院 | Adjustable propelling device for machining and propelling method thereof |
-
2019
- 2019-06-12 CN CN201920872136.XU patent/CN210415617U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111530880A (en) * | 2020-06-05 | 2020-08-14 | 江苏大橡木集团有限公司 | Ventilation cabinet air speed alarm system device |
| CN114888612A (en) * | 2022-04-20 | 2022-08-12 | 湖南汽车工程职业学院 | Adjustable propelling device for machining and propelling method thereof |
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Granted publication date: 20200428 |