CN113089841A - Structure of large-span roof steel truss - Google Patents
Structure of large-span roof steel truss Download PDFInfo
- Publication number
- CN113089841A CN113089841A CN202110382317.6A CN202110382317A CN113089841A CN 113089841 A CN113089841 A CN 113089841A CN 202110382317 A CN202110382317 A CN 202110382317A CN 113089841 A CN113089841 A CN 113089841A
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- Prior art keywords
- shaped
- truss
- fixedly connected
- oil
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 35
- 239000010959 steel Substances 0.000 title claims abstract description 35
- 239000003921 oil Substances 0.000 claims abstract description 51
- 238000005096 rolling process Methods 0.000 claims abstract description 20
- 239000010687 lubricating oil Substances 0.000 claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 244000025254 Cannabis sativa Species 0.000 claims description 7
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 7
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 7
- 235000009120 camo Nutrition 0.000 claims description 7
- 235000005607 chanvre indien Nutrition 0.000 claims description 7
- 239000011487 hemp Substances 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000001502 supplementing effect Effects 0.000 claims description 5
- 241000669003 Aspidiotus destructor Species 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/34336—Structures movable as a whole, e.g. mobile home structures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/12—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with feed by capillary action, e.g. by wicks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/14—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means
- F16N7/16—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means the oil being carried up by a lifting device
- F16N7/24—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means the oil being carried up by a lifting device with discs, rollers, belts or the like contacting the shaft to be lubricated
Abstract
The invention relates to the technical field of steel trusses and discloses a structure of a large-span roof steel truss, which comprises two square-shaped trusses, two mounting supports and two winches, wherein the two square-shaped trusses are connected with each other; the rolling supporting device is arranged on a U-shaped plate in the U-shaped rail, the two sides of the inner wall of the U-shaped plate are rotatably connected with idler wheels through rotating shafts, the surface of each idler wheel is in rolling connection with the inner bottom wall of the U-shaped rail, an oil storage tank filled with lubricating oil is fixedly connected to the outer top of the U-shaped plate, and the clip truss supporting legs are fixedly connected to the outer tank top of the oil storage tank. This structure of large-span roofing steel truss can solve present completion that can not be timely refuels, all must artifically refuel when refueling at every turn, the problem of inefficiency.
Description
Technical Field
The invention relates to the technical field of steel trusses, in particular to a structure of a large-span roof steel truss.
Background
The truss is a structure in which rod members are hinged to each other at both ends. The truss is a plane or space structure which is composed of straight bars and generally has triangular units, the truss rod piece mainly bears axial tension or pressure, so that the strength of materials can be fully utilized, materials can be saved compared with a solid web beam when the span is large, the self weight is reduced, the rigidity is increased, and the truss has the advantages that the rod piece mainly bears tension or pressure, the function of the materials can be fully exerted, the materials are saved, and the structure weight is reduced. Steel trusses, reinforced concrete trusses, prestressed concrete trusses, wood trusses, steel and wood composite trusses, and steel and concrete composite trusses are commonly used.
The steel structure large-span roof truss system is disclosed by a retrieval publication (bulletin) No. CN212317306U, when the steel structure large-span roof truss system is used, the strength of the whole square-shaped truss can be increased by arranging an inclined strut and a reinforcing rod, and a high-altitude scaffold can be replaced by arranging an installation support, a U-shaped track, a U-shaped plate, a roller, a chute, a top plate, square-shaped truss supporting legs and a winch, so that the construction cost is low, the assembly quality is high, and the installation process is simple; the scheme still has the following technical defects:
this technical scheme adopts the orbital inside of U type to be provided with the passageway of refueling, reduces the frictional resistance of gyro wheel when U type track internal motion through the mode of refueling, but the completion that can not be timely refuels, all must artifically refuel when refueling at every turn, and inefficiency, the obvious defect that exists of scheme.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the structure of the large-span roof steel truss, which has the advantage of improving the oiling efficiency and solves the problems that the oiling cannot be completed in time at present, the manual oiling is required during each oiling, and the efficiency is low.
(II) technical scheme
In order to realize the purpose of improving the oiling efficiency, the invention provides the following technical scheme: a structure of a large-span roof steel truss comprises two square-shaped trusses, two mounting supports and two winches, wherein the two square-shaped trusses are connected, the upper ends of the mounting supports are fixedly connected with the mounting plates, U-shaped rails are mounted on the mounting plates, square-shaped truss support legs are connected to the square-shaped trusses, and the lower ends of the square-shaped truss support legs are connected with the U-shaped rails through rolling supporting devices;
the rolling supporting device is arranged on a U-shaped plate in a U-shaped track, a roller is rotatably connected between two sides of the inner wall of the U-shaped plate through a rotating shaft, the surface of the roller is in rolling connection with the inner bottom wall of the U-shaped track, the outer top of the U-shaped plate is fixedly connected with an oil storage tank filled with lubricating oil, the clip truss support leg is fixedly connected to the top of the outer tank of the oil storage tank, the inner bottom of the oil storage tank is fixedly connected with a copper pipe, the lower end of the copper pipe sequentially penetrates through the bottom of the oil storage tank and the top of the U-shaped plate, a top plate is arranged above the roller, the lower end of the top plate is connected with a sponge strip, the sponge strip is arranged on the wheel wall of the roller, an oil guide rope is fixedly connected to the center of the upper end of the sponge strip, the other end of the oil guide rope penetrates through the top plate and penetrates through the copper pipe, a hemp rope is, the upper end fixedly connected with spring of roof, the other end fixed connection of spring is at the interior top of U template, and the spring housing is established on leading the oil rope.
Preferably, the output end of the winch is fixedly connected with a steel wire pull rope, and one end of the steel wire pull rope, which is far away from the winch, is fixedly connected with the surface of the clip truss supporting leg.
Preferably, rolling grooves are symmetrically formed in two sides of the outer wall of the U-shaped plate, rolling balls are arranged in the rolling grooves, the balls penetrate through notches of the rolling grooves and are connected to corresponding inner side walls of the U-shaped plate in a rolling mode.
Preferably, the top in the U-shaped plate is connected with the stay tube about spring symmetry, sliding connection has the bracing piece in the stay tube, the one end that the bracing piece is close to the roof passes the lower extreme mouth of pipe of stay tube and is connected with the upper end of roof.
Preferably, an oil supplementing port is communicated with the box wall at one end of the oil storage box close to the box top, and a transparent scale plate is embedded in the vertical box wall on one side of the oil storage box along the vertical direction.
Preferably, an inclined supporting rod is fixedly connected between the top and the bottom of the inner wall of the square-wave truss, and a plurality of inclined supporting rods are arranged.
Preferably, a reinforcing rod is fixedly connected between the surfaces of any two adjacent oblique supporting rods.
Three beneficial effects
Compared with the prior art, the invention provides a structure of a large-span roof steel truss, which has the following beneficial effects:
according to the structure of the large-span roof steel truss, the rolling support device is arranged, the wheel wall of the roller is continuously contacted with the sponge strip, and the roller is fully stained with lubricating oil, so that the friction resistance of the roller during movement in the U-shaped track is reduced; the gyro wheel can cause wearing and tearing to the sponge strip at the in-process with the sponge strip contact, and the spring that the compression promoted the roof downstream, ensures that the sponge strip lasts and takes place the contact with the wheel wall of gyro wheel, satisfies the demand that oils of gyro wheel, and need not the manual work, and automatic oiling has improved and has refueled efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a structure of a long-span roof steel truss provided by the invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
fig. 4 is an enlarged view of a portion C in fig. 1.
In the figure: 1-shaped truss, 2-shaped mounting brackets, 3-shaped windlass, 4-shaped mounting plates, 5-shaped rails, 6-shaped truss support legs, 7-shaped steel wire pull ropes, 8-shaped plates, 9-shaped rollers, 10-shaped oil storage tanks, 11-shaped copper pipes, 12-shaped top plates, 13-shaped sponge strips, 14-shaped oil guide ropes, 15-shaped hemp ropes, 16-shaped rolling grooves, 17-shaped balls, 18-shaped supporting pipes, 19-shaped supporting rods, 20-shaped oil supplementing ports, 21-shaped scale plates, 22-shaped inclined supporting rods, 23-shaped reinforcing rods and 24-shaped.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a structure of a large-span roof steel truss comprises a square-shaped truss 1, a mounting bracket 2 and a winch 3, wherein the number of the square-shaped truss 1, the mounting bracket 2 and the winch 3 is two, the two square-shaped trusses 1 are connected, the upper end of the mounting bracket 2 is fixedly connected with the mounting plate 4, the mounting plate 4 is provided with a U-shaped track 5, the square-shaped truss 1 is connected with square-shaped truss support legs 6, and the lower ends of the square-shaped truss support legs 6 are connected with the U-shaped track 5 through rolling support devices;
the rolling supporting device is arranged on a U-shaped plate 8 in a U-shaped track 5, a roller 9 is rotatably connected between two sides of the inner wall of the U-shaped plate 8 through a rotating shaft, the surface of the roller 9 is in rolling connection with the inner bottom wall of the U-shaped track 5, an oil storage tank 10 filled with lubricating oil is fixedly connected to the outer top of the U-shaped plate 8, a clip truss support leg 6 is fixedly connected to the outer box top of the oil storage tank 10, a copper pipe 11 is fixedly connected to the inner box bottom of the oil storage tank 10, the lower end of the copper pipe 11 sequentially penetrates through the box bottom of the oil storage tank 10 and the top of the U-shaped plate 8, a top plate 12 is arranged above the roller 9, the lower end of the top plate 12 is connected with a sponge strip 13, the sponge strip 13 is arranged on the wheel wall of the roller 9, an oil guide rope 14 is fixedly connected to the center of the upper end of the sponge strip 13, the other end of the oil guide, the other end of the hemp rope 15 is arranged in lubricating oil of the oil storage tank 10, the upper end of the top plate 12 is fixedly connected with a spring 24, the other end of the spring 24 is fixedly connected to the inner top of the U-shaped plate 8, the spring 24 is sleeved on the oil guide rope 14, the spring 24 is in a compressed state in the drawing, the lubricating oil in the oil storage tank 10 is conducted onto the oil guide rope 14 through the hemp rope 15, and then the lubricating oil is transmitted onto the sponge strips 13 through the oil guide rope 14, when the roller 9 rotates, the wheel wall of the roller 9 is continuously contacted with the sponge strips 13 to be fully stained with the lubricating oil, and therefore the friction resistance of the roller 9 during movement in the U-shaped track 5 is reduced; the gyro wheel 9 is at the in-process with the contact of sponge strip 13, can lead to the fact wearing and tearing to sponge strip 13, and when sponge strip 13 took place wearing and tearing, the spring 24 of compressed promoted roof 12 downstream to drive sponge strip 13 and lead the synchronous downstream of oil rope 14, ensure that sponge strip 13 lasts and takes place the contact with the wheel wall of gyro wheel 9, satisfy the demand of oiling of gyro wheel 9, and need not the manual work, oil automatically, improved and refueled efficiency.
The output end of the winch 3 is fixedly connected with a steel wire stay cord 7, one end, far away from the winch 3, of the steel wire stay cord 7 is fixedly connected with the surface of the clip-shaped truss supporting leg 6, the winch 3 is started, and the winch 3 drives the roller 9 on the clip-shaped truss supporting leg 6 to move in the U-shaped track 5 through the steel wire stay cord 7.
The interior top of U type board 8 has stay tube 18 about spring 24 symmetric connection, and sliding connection has bracing piece 19 in stay tube 18, and the one end that bracing piece 19 is close to roof 12 passes the lower extreme mouth of pipe of stay tube 18 and is connected with the upper end of roof 12, because bracing piece 19 can only move in stay tube 18, and then carries on spacingly to the direction of motion of roof 12 for roof 12 atress motion is more stable.
The oil supplementing opening 20 is communicated with the box wall of the oil storage box 10 close to one end of the box top, the transparent scale plate 21 is embedded in the vertical box wall of one side of the oil storage box 10 along the vertical direction, and lubricating oil content can be conveniently supplemented and observed in the oil storage box 10 through the oil supplementing opening 20 and the scale plate 21.
The inclined supporting rods 22 are fixedly connected between the top and the bottom of the inner wall of the square truss 1, and the plurality of inclined supporting rods 22 are arranged, so that the structural strength of the square truss 1 is improved.
And a reinforcing rod 23 is fixedly connected between the surfaces of any two adjacent oblique supporting rods 22, so that the structural strength of the square-wave truss 1 is further improved.
In conclusion, in the structure of the large-span roof steel truss, lubricating oil in the oil storage tank 10 is conducted onto the oil guide rope 14 through the hemp rope 15, and then is transmitted onto the sponge strip 13 through the oil guide rope 14, when the roller 9 rotates, the wheel wall of the roller 9 is continuously contacted with the sponge strip 13, and the roller is fully stained with the lubricating oil, so that the friction resistance of the roller 9 in the motion in the U-shaped track 5 is reduced; the gyro wheel 9 is at the in-process with the contact of sponge strip 13, can lead to the fact wearing and tearing to sponge strip 13, and when sponge strip 13 took place wearing and tearing, the spring 24 of compressed promoted roof 12 downstream to drive sponge strip 13 and lead the synchronous downstream of oil rope 14, ensure that sponge strip 13 lasts and takes place the contact with the wheel wall of gyro wheel 9, satisfy the demand of oiling of gyro wheel 9, and need not the manual work, oil automatically, improved and refueled efficiency.
It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 (7)
1. The utility model provides a structure of large-span roofing steel truss, includes back shape truss (1), installing support (2) and hoist engine (3), it all is provided with two, its characterized in that to return shape truss (1), installing support (2) and hoist engine (3): the two clip-shaped trusses (1) are connected, the upper end of the mounting bracket (2) is fixedly connected with a mounting plate (4), a U-shaped track (5) is mounted on the mounting plate (4), clip-shaped truss support legs (6) are connected to the clip-shaped trusses (1), and the lower ends of the clip-shaped truss support legs (6) are connected with the U-shaped track (5) through rolling supporting devices;
the rolling supporting device is arranged on a U-shaped plate (8) in a U-shaped rail (5), the rollers (9) are connected between two sides of the inner wall of the U-shaped plate (8) in a rotating mode through rotating shafts, the surface of each roller (9) is connected with the inner bottom wall of the U-shaped rail (5) in a rolling mode, an oil storage tank (10) filled with lubricating oil is fixedly connected to the outer top of each U-shaped plate (8), a clip truss supporting leg (6) is fixedly connected to the outer top of each oil storage tank (10), a copper pipe (11) is fixedly connected to the inner bottom of each oil storage tank (10), the lower end of each copper pipe (11) sequentially penetrates through the tank bottom of each oil storage tank (10) and the top of each U-shaped plate (8), a top plate (12) is arranged above each roller (9), the lower end of each top plate (12) is connected with a sponge strip (13), and each sponge strip (13) is, fixedly connected with oil guide rope (14) is located at the upper end center of sponge strip (13), the other end of oil guide rope (14) runs through roof (12) and passes copper pipe (11) setting, is located be connected with rope made of hemp (15) on the lateral wall of copper pipe (11) top oil guide rope (14), the other end setting of rope made of hemp (15) is in the lubricating oil of batch oil tank (10), the upper end fixedly connected with spring (24) of roof (12), the other end fixed connection of spring (24) is at the interior top of U template (8), and spring (24) cover is established on oil guide rope (14).
2. The structure of the large-span roof steel truss of claim 1, wherein: the steel wire rope pulling device is characterized in that a steel wire rope (7) is fixedly connected to the output end of the winch (3), and one end, far away from the winch (3), of the steel wire rope (7) is fixedly connected with the surface of the clip-shaped truss supporting leg (6).
3. The structure of the large-span roof steel truss of claim 1, wherein: roll groove (16) have been seted up to the bilateral symmetry of U template (8) outer wall, be equipped with rolling ball (17) in roll groove (16), ball (17) pass the notch setting of roll groove (16), and ball (17) roll connection on the corresponding inside wall of U type track (5).
4. The structure of the large-span roof steel truss of claim 1, wherein: the inner top of the U-shaped plate (8) is symmetrically connected with supporting tubes (18) about springs (24), supporting rods (19) are connected in the supporting tubes (18) in a sliding mode, and one ends, close to the top plate (12), of the supporting rods (19) penetrate through a pipe orifice at the lower end of the supporting tubes (18) and are connected with the upper end of the top plate (12).
5. The structure of the large-span roof steel truss of claim 1, wherein: the oil storage tank (10) is communicated with an oil supplementing port (20) on the tank wall close to one end of the tank top, and a transparent scale plate (21) is embedded on the vertical tank wall on one side of the oil storage tank (10) along the vertical direction.
6. The structure of the large-span roof steel truss of claim 1, wherein: an inclined supporting rod (22) is fixedly connected between the top and the bottom of the inner wall of the square-shaped truss (1), and a plurality of inclined supporting rods (22) are arranged.
7. The structure of the large-span roof steel truss of claim 6, wherein: and a reinforcing rod (23) is fixedly connected between the surfaces of any two adjacent oblique supporting rods (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110382317.6A CN113089841A (en) | 2021-04-09 | 2021-04-09 | Structure of large-span roof steel truss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110382317.6A CN113089841A (en) | 2021-04-09 | 2021-04-09 | Structure of large-span roof steel truss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113089841A true CN113089841A (en) | 2021-07-09 |
Family
ID=76675838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110382317.6A Pending CN113089841A (en) | 2021-04-09 | 2021-04-09 | Structure of large-span roof steel truss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113089841A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115110639A (en) * | 2022-08-04 | 2022-09-27 | 黄冈师范学院 | Movable modular prefabricated house with auxiliary lubricating function |
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| CN212795253U (en) * | 2020-08-19 | 2021-03-26 | 永通达塑胶五金(惠州)有限公司 | Die cutting device with safety device |
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| EP2471411A1 (en) * | 2010-12-30 | 2012-07-04 | Tsung Yao Chen | Drawer slide rail assembly |
| CN205010963U (en) * | 2015-09-29 | 2016-02-03 | 厦门烟草工业有限责任公司 | Lubricating system for chain at bottom of storage cabinet |
| CN206367343U (en) * | 2017-01-03 | 2017-08-01 | 厦门大学嘉庚学院 | A kind of roller with sterilizing function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115110639A (en) * | 2022-08-04 | 2022-09-27 | 黄冈师范学院 | Movable modular prefabricated house with auxiliary lubricating function |
| CN115110639B (en) * | 2022-08-04 | 2024-01-19 | 黄冈师范学院 | Movable modularized prefabricated house with auxiliary lubrication function |
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Application publication date: 20210709 |