CN219448166U - Overhead chain conveying structure - Google Patents

Overhead chain conveying structure Download PDF

Info

Publication number
CN219448166U
CN219448166U CN202320761990.5U CN202320761990U CN219448166U CN 219448166 U CN219448166 U CN 219448166U CN 202320761990 U CN202320761990 U CN 202320761990U CN 219448166 U CN219448166 U CN 219448166U
Authority
CN
China
Prior art keywords
chain
conveying
groove
shell
roller
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.)
Active
Application number
CN202320761990.5U
Other languages
Chinese (zh)
Inventor
林立强
张奕滨
许青松
袁国贵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Ruijie Automation Equipment Co ltd
Original Assignee
Shenzhen Ruijie Automation Equipment Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Ruijie Automation Equipment Co ltd filed Critical Shenzhen Ruijie Automation Equipment Co ltd
Priority to CN202320761990.5U priority Critical patent/CN219448166U/en
Application granted granted Critical
Publication of CN219448166U publication Critical patent/CN219448166U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Framework For Endless Conveyors (AREA)

Abstract

The utility model relates to the technical field of chain conveying structures, and discloses an overhead chain conveying structure which comprises a roller chain, a chain casing group and a conveying module, wherein the roller chain is used for driving the chain casing group to be movably arranged, the chain casing group comprises a plurality of chain casing bodies, the conveying module comprises a plurality of conveying casings and a plurality of conveying wheels, the conveying wheels are arranged on the chain casing bodies, the conveying wheels extend upwards through the conveying casings to be arranged in a naked mode, the conveying casings and the chain casing bodies are buckled up and down, the roller chain is used for driving the chain casing bodies to be movably arranged, and the chain casing bodies are used for driving the conveying wheels to be movably arranged, and the conveying wheels are used for bearing and conveying articles. The conveying wheels are beneficial to reducing friction on articles and protecting the articles; the roller chain is matched with the conveying wheel, so that the conveying stability of the articles is greatly improved when the articles are conveyed; in addition, under the effect of guide way, the roller chain body of being convenient for inlays to installing the groove to the assembly between roller chain body and the chain dress casing of being convenient for.

Description

Overhead chain conveying structure
Technical Field
The utility model relates to the technical field of chain conveying structures, in particular to an overhead chain conveying structure.
Background
Roller chains are commonly referred to as precision roller chains for short pitch transmission, which are most widely used and have the highest yield, and roller chains with single row and multiple rows are divided, so that roller chains suitable for low power transmission can be made into single row chains and multiple row chains, and multiple row chains can be used when the roller chains need to bear larger load and transmit larger power.
The roller chain transfer chain is by wide application in the production line, for example, the preceding patent of publication No. CN213084472U discloses a roller chain transfer chain, including the quick-witted case, both ends all install the gear around first pivot and the second pivot outer wall, and are located the equal chain of two sets of gears of both sides and are connected with the roller chain around, the inner chamber bottom right side of machine case is provided with adjustment mechanism, and the adjustment mechanism top passes through the bearing with the outer wall middle part of first pivot and rotates to be connected.
In the prior art, the roller chain is directly adopted for conveying, and the roller chain is easy to shake and large in the conveying process, so that the conveying is unstable.
Disclosure of Invention
The utility model aims to provide an overhead chain conveying structure, which aims to solve the problems in the prior art.
The overhead chain conveying structure comprises a roller chain, a chain casing group and a conveying module, wherein the roller chain is connected with the chain casing group, the roller chain is in a conveying state under the driving force, and the roller chain is used for driving the chain casing group to be in movable arrangement; the chain-mounted shell group comprises a plurality of chain-mounted shells, each chain-mounted shell is arranged in sequence, the conveying module comprises a plurality of conveying shells and a plurality of conveying wheels, each conveying shell is arranged in one-to-one correspondence with each conveying wheel, the conveying wheels are arranged in the chain-mounted shells, the conveying wheels penetrate through the conveying shells and extend upwards to be arranged in a naked shape, the conveying wheels are arranged in a rotating mode, the conveying shells and the chain-mounted shells are arranged in an up-down buckling mode, the roller chains are used for driving the chain-mounted shells to be arranged in a moving mode, the chain-mounted shells are used for driving the conveying wheels to be arranged in a moving mode, and the conveying wheels are used for bearing and conveying objects;
the chain dress casing has and installs groove and guide way, the roller chain includes a plurality of roller chain bodies, the roller chain body inlays to be established install the groove, the guide way with install the groove and be corresponding to arrange, the guide way along the orientation install the direction in groove and be the slope and arrange, the guide way is used for the direction the roller chain body inlays to install the groove.
Further, the chain installation shell is provided with two installation grooves and two guide grooves, the two installation grooves and the two guide grooves are arranged in a one-to-one correspondence manner, and the two installation grooves are arranged in a corresponding manner along the width direction, and the two guide grooves are arranged in a corresponding manner; the guide groove is provided with guide walls which are obliquely arranged, and the distance between the two guide walls is gradually reduced along the direction facing the installation groove; the two ends of the roller chain body are respectively provided with roller columns, and the two roller columns are embedded with the installation grooves.
Further, the chain mounting shell comprises a chain mounting seat and two chain plates, the conveying shell and the chain mounting seat are in up-down buckling arrangement, the two chain plates are in interval corresponding arrangement, the upper parts of the chain plates and the chain mounting seat are in connection arrangement, and the lower parts of the chain plates are in extension arrangement along the direction deviating from the chain mounting seat; the mounting groove and the guide groove are formed in the chain plate, and the guide groove is arranged through the lower part of the chain plate; the chain plate is provided with a plate surface, the plate surface is arranged between the installation groove and the guide groove, two ends of the plate surface extend to the installation groove and the guide groove respectively, and the plate surfaces of the two chain plates are arranged in an arc shape along opposite back-to-back directions.
Further, the chain plate has side guide walls, the outer ends of which extend to the outside, the inner ends of which extend to the guide grooves, the side guide walls being arranged in an inclined manner.
Further, the chain mount has well seat groove and two seat platforms, well seat groove is the fretwork and arranges, the seat platform has the seat groove, two the seat groove is the correspondence and arranges, the both ends of well seat groove respectively with two the seat groove is the intercommunication and arranges, the delivery wheel includes wheel body and two wheel posts, two the wheel post respectively with the both ends of wheel body are the connection arrangement, two the wheel post inlays respectively and establishes two the seat groove, the wheel body inlays and establishes well seat groove, just the wheel body is unsettled arrangement.
Further, the chain mount has a front seat pocket arranged with a top opening; the conveying shell comprises a front conveying plate, and the front conveying plate is embedded into the front seat groove.
Further, side seat grooves are formed on two sides of the chain mounting seat respectively, and are transversely extended; two ends of the conveying shell are respectively provided with shell buckling parts, and the two shell buckling parts are respectively buckled with the two side seat grooves.
Further, the shell buckling part comprises a longitudinal shell section and a transverse shell section, the longitudinal shell section is longitudinally arranged, the transverse shell section is transversely arranged, the longitudinal shell section and the transverse shell section are integrally formed and arranged, the upper part of the longitudinal shell section is fixedly arranged, the lower part of the longitudinal shell section and the outer end of the transverse shell section are connected and arranged, the inner end of the transverse shell section extends horizontally, and the transverse shell section is embedded with the side seat groove.
Further, overhead type chain conveying structure includes a plurality of supporting plates, each supporting plate is the interval and arranges in proper order along the direction of delivery, supporting plate with it is to carry the shell to be to stack to arrange, supporting plate is in the neighborhood arrange between the delivery wheel, supporting plate has the supporting face up, supporting face with the delivery wheel is used for synchronous bearing article.
Compared with the prior art The overhead chain conveying structure provided by the utility model has the advantages that when in conveying operation, the roller chains receive driving force to be in a conveying state, and at the moment, the roller chains move to drive the chain case groups to be in moving arrangement, so that each chain is promotedThe chain-mounted shell drives the conveying shell and the conveying wheels to be synchronously arranged in a moving way, and conveying of the articles is realized under the action of the conveying wheels; meanwhile, the stability of the movement of the roller chain is utilized to be matched with the bearing stability of the conveying wheel, so that the conveying stability of the articles is greatly improved when the articles are conveyed; in addition, under the effect of guide way, the roller chain body of being convenient for inlays to installing the groove to the assembly between roller chain body and the chain dress casing of being convenient for.
Drawings
FIG. 1 is a schematic perspective view of an overhead chain conveying structure provided by the present utility model;
FIG. 2 is a schematic perspective view of a chain housing of the overhead chain conveying structure provided by the present utility model;
FIG. 3 is a schematic right-side view of an overhead chain conveying structure provided by the present utility model;
fig. 4 is a schematic front view of an overhead chain conveying structure provided by the utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The implementation of the present utility model will be described in detail below with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-4, a preferred embodiment of the present utility model is provided.
The overhead chain conveying structure comprises a roller chain 1, a chain casing group and a conveying module 3, wherein the roller chain 1 and the chain casing group are connected and arranged, the roller chain 1 is in a conveying state under the driving force, and the roller chain 1 is used for driving the chain casing group to be in movable arrangement; the chain-mounted shell group comprises a plurality of chain-mounted shells 2, each chain-mounted shell 2 is arranged in sequence, the conveying module 3 comprises a plurality of conveying shells 31 and a plurality of conveying wheels 32, each conveying shell 31 and each conveying wheel 32 are arranged in a one-to-one correspondence manner, the conveying wheels 32 are arranged on the chain-mounted shells 2, the conveying wheels 32 penetrate through the conveying shells 31 to extend upwards to be arranged in a naked shape, the conveying wheels 32 are arranged in a rotating manner, the conveying shells 31 and the chain-mounted shells 2 are buckled up and down, the roller chains 1 are used for driving the chain-mounted shells 2 to be arranged in a moving manner, the chain-mounted shells 2 are used for driving the conveying wheels 32 to be arranged in a moving manner, and the conveying wheels 32 are used for bearing and conveying objects;
the chain housing 2 has an installation groove 23 and a guide groove 24, the roller chain 1 includes a plurality of roller chain bodies 11, the roller chain bodies 11 are embedded in the installation groove 23, the guide groove 24 is arranged corresponding to the installation groove 23, the guide groove 24 is arranged obliquely in a direction toward the installation groove 23, and the guide groove 24 is used for guiding the roller chain bodies 11 to be embedded in the installation groove 23.
In the overhead chain conveying structure, when in conveying operation, the roller chain 1 receives driving force to be in a conveying state, at the moment, the roller chain 1 moves to drive the chain shell groups to be in moving arrangement, so that the chain shell 2 is caused to be in moving arrangement, the chain shell 2 drives the conveying shells 31 and the conveying wheels 32 to be in synchronous moving arrangement, and under the action of the conveying wheels 32, the conveying of articles is realized, and meanwhile, the conveying wheels 32 are beneficial to reducing friction on the articles and playing a role in protecting the articles; meanwhile, the stability of the movement of the roller chain 1 is utilized to be matched with the bearing stability of the conveying wheel 32, so that the conveying stability of the articles is greatly improved when the articles are conveyed; in addition, the roller chain body 11 is conveniently embedded into the installation groove 23 under the action of the guide groove 24, so that the assembly between the roller chain body 11 and the chain housing 2 is facilitated.
The chain installation shell 2 is provided with two installation grooves 23 and two guide grooves 24, the two installation grooves 23 and the two guide grooves 24 are arranged in a one-to-one correspondence manner, the two installation grooves 23 are arranged in a correspondence manner along the width direction, and the two guide grooves 24 are arranged in a correspondence manner; is symmetrically arranged, and is convenient for the stability of the arrangement of the conveying wheels 32.
The guide groove 24 has guide walls which are arranged obliquely, and the distance between the two guide walls is gradually reduced along the direction toward the installation groove 23; in this way, the roller column 12 is facilitated to move toward the installation groove 23 under the guiding action of the two guide walls, thereby facilitating the installation of the roller chain body 11.
The two ends of the roller chain body 11 are respectively provided with roller columns 12, and the two roller columns 12 are embedded with installing grooves 23.
The chain-mounted shell 2 comprises a chain-mounted seat 21 and two chain-mounted plates 22, and the conveying shell 31 and the chain-mounted seat 21 are in up-down buckling arrangement, so that the conveying shell 31 and the chain-mounted seat 21 are assembled.
The two chain plates 22 are correspondingly arranged at intervals, the upper parts of the chain plates 22 are connected with the chain mounting seats 21, and the lower parts of the chain plates 22 are arranged in an extending way along the direction away from the chain mounting seats 21; the chain plate 22 is formed with a mounting groove 23 and a guide groove 24, the guide groove 24 being disposed through the lower portion of the chain plate 22; the chain plate 22 has a plate surface disposed between the installation groove 23 and the guide groove 24, and both ends of the plate surface extend to the installation groove 23 and the guide groove 24, respectively, and the plate surfaces of the two chain plates 22 are disposed in an arc shape in opposite-to-opposite-from directions.
In this way, the roller columns 12 are conveniently transferred to the installation groove 23 along the guide groove 24 under the action of the plate surface, thereby facilitating the installation of the roller chain body 11.
The rear ends of the chain plates 22 form inward-sinking grooves which are arranged in an arc shape, adjacent chain plates 22 are arranged in an embedded manner, and adjacent chain plates 22 are arranged in an embedded manner through the inward-sinking grooves; in this way, the assembly effect of the adjacent chain housing 2 is enhanced, and the cooperation of the chain housing group and the roller chain 1 is facilitated.
The chain plate 22 has side guide walls 25, the outer ends of the side guide walls 25 extend to the outside, the inner ends of the side guide walls 25 extend to the guide grooves 24, and the side guide walls 25 are arranged obliquely; the roller column 12 is conveniently guided to the guide groove 24 from the outside under the action of the side guide wall 25 and then transferred to the installation groove 23, so that the installation of the roller chain body 11 is realized.
The chain mount 21 has a middle seat groove and two seat tables, the middle seat groove is in hollowed arrangement, the seat tables are provided with table grooves, the two table grooves are in corresponding arrangement, two ends of the middle seat groove are respectively in communication arrangement with the two table grooves, the conveying wheel 32 comprises a wheel body and two wheel columns, the two wheel columns are respectively in connection arrangement with two ends of the wheel body, the two wheel columns are respectively embedded with the two table grooves, the wheel body is embedded with the middle seat groove, and the wheel body is in suspended arrangement.
Under the effect of well seat groove and bench groove, realize that the wheel body is the activity and arranges, reduce the frictional force to article, play the guard action to article.
The chain mount 21 has a front seat pocket arranged with a top opening; the conveying shell 31 comprises a front conveying plate 311, and the front conveying plate 311 is embedded with a front seat groove; in this way, the fitting stability of the chain mount 21 with the conveying case 31 is enhanced.
Side seat grooves 26 are respectively formed on two sides of the chain mounting seat 21, and the side seat grooves 26 are transversely extended; two ends of the conveying shell 31 are respectively provided with a shell buckling part 312, and the two shell buckling parts 312 are respectively buckled with the two side seat grooves 26; the assembling stability of the chain mount 21 and the conveying case 31 is enhanced.
The shell buckling part 312 comprises a longitudinal shell section and a transverse shell section, wherein the longitudinal shell section is longitudinally arranged, the transverse shell section is transversely arranged, the longitudinal shell section and the transverse shell section are integrally formed, the upper part of the longitudinal shell section is fixedly arranged, the lower part of the longitudinal shell section is connected with the outer end of the transverse shell section, the inner end of the transverse shell section is horizontally extended towards the inner end of the transverse shell section, and the transverse shell section is embedded with a side seat groove 26; the assembling stability of the chain mount 21 and the conveying case 31 is enhanced.
The overhead chain conveying structure comprises a plurality of auxiliary bearing plates, the auxiliary bearing plates are sequentially arranged at intervals along the conveying direction, the auxiliary bearing plates and the conveying shells 31 are stacked, the auxiliary bearing plates are arranged between the adjacent conveying wheels 32, the auxiliary bearing plates are provided with upward auxiliary bearing surfaces, and the auxiliary bearing surfaces and the conveying wheels 32 are used for synchronously bearing objects.
Therefore, under the action of the auxiliary bearing plate, the bearing area of the auxiliary bearing plate and the articles is increased, conveying shaking is reduced, and conveying stability of the articles is improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (9)

1. The overhead chain conveying structure is characterized by comprising a roller chain, a chain shell group and a conveying module, wherein the roller chain is connected with the chain shell group, the roller chain is in a conveying state under the driving force, and the roller chain is used for driving the chain shell group to be in movable arrangement; the chain-mounted shell group comprises a plurality of chain-mounted shells, each chain-mounted shell is arranged in sequence, the conveying module comprises a plurality of conveying shells and a plurality of conveying wheels, each conveying shell is arranged in one-to-one correspondence with each conveying wheel, the conveying wheels are arranged in the chain-mounted shells, the conveying wheels penetrate through the conveying shells and extend upwards to be arranged in a naked shape, the conveying wheels are arranged in a rotating mode, the conveying shells and the chain-mounted shells are arranged in an up-down buckling mode, the roller chains are used for driving the chain-mounted shells to be arranged in a moving mode, the chain-mounted shells are used for driving the conveying wheels to be arranged in a moving mode, and the conveying wheels are used for bearing and conveying objects;
the chain dress casing has and installs groove and guide way, the roller chain includes a plurality of roller chain bodies, the roller chain body inlays to be established install the groove, the guide way with install the groove and be corresponding to arrange, the guide way along the orientation install the direction in groove and be the slope and arrange, the guide way is used for the direction the roller chain body inlays to install the groove.
2. The overhead chain conveying structure according to claim 1, wherein the chain housing has two installation grooves and two guide grooves, the two installation grooves and the two guide grooves are arranged in one-to-one correspondence, the two installation grooves are arranged in correspondence along the width direction, and the two guide grooves are arranged in correspondence; the guide groove is provided with guide walls which are obliquely arranged, and the distance between the two guide walls is gradually reduced along the direction facing the installation groove; the two ends of the roller chain body are respectively provided with roller columns, and the two roller columns are embedded with the installation grooves.
3. The overhead chain conveying structure according to claim 2, wherein the chain mounting shell comprises a chain mounting seat and two chain plates, the conveying shell and the chain mounting seat are in up-down buckling arrangement, the two chain plates are in interval corresponding arrangement, the upper parts of the chain plates are in connection arrangement with the chain mounting seat, and the lower parts of the chain plates are in extension arrangement along the direction away from the chain mounting seat; the mounting groove and the guide groove are formed in the chain plate, and the guide groove is arranged through the lower part of the chain plate; the chain plate is provided with a plate surface, the plate surface is arranged between the installation groove and the guide groove, two ends of the plate surface extend to the installation groove and the guide groove respectively, and the plate surfaces of the two chain plates are arranged in an arc shape along opposite back-to-back directions.
4. A roof mounted chain conveying structure as claimed in claim 3, wherein the chain plate has side guide walls, the outer ends of which extend to the outside, the inner ends of which extend to the guide grooves, the side guide walls being arranged in an inclined manner.
5. The overhead chain conveying structure according to claim 4, wherein the chain mount has a middle seat groove and two seat tables, the middle seat groove is in hollow arrangement, the seat tables are provided with table grooves, the two table grooves are in corresponding arrangement, two ends of the middle seat groove are respectively in communication arrangement with the two table grooves, the conveying wheel comprises a wheel body and two wheel columns, the two wheel columns are respectively in connection arrangement with two ends of the wheel body, the two wheel columns are respectively embedded with the two table grooves, the wheel body is embedded with the middle seat groove, and the wheel body is in suspension arrangement.
6. The overhead chain conveying structure of claim 5, wherein the chain mount has a front seat pocket arranged with a top opening; the conveying shell comprises a front conveying plate, and the front conveying plate is embedded into the front seat groove.
7. The overhead chain conveying structure of claim 6, wherein side pockets are formed on each side of the chain mount, the side pockets being arranged in a laterally extending manner; two ends of the conveying shell are respectively provided with shell buckling parts, and the two shell buckling parts are respectively buckled with the two side seat grooves.
8. The overhead chain conveying structure of claim 7, wherein the shell buckle portion comprises a longitudinal shell segment and a transverse shell segment, the longitudinal shell segment is longitudinally arranged, the transverse shell segment is transversely arranged, the longitudinal shell segment and the transverse shell segment are integrally formed and arranged, the upper portion of the longitudinal shell segment is fixedly arranged, the lower portion of the longitudinal shell segment and the outer end of the transverse shell segment are connected and arranged, the inner end of the transverse shell segment is horizontally extended and arranged towards the inner end, and the transverse shell segment is embedded with the side seat groove.
9. The overhead chain conveying structure of any one of claims 1-8, wherein the overhead chain conveying structure comprises a plurality of auxiliary carrier plates, each of the auxiliary carrier plates being sequentially arranged at intervals along a conveying direction, the auxiliary carrier plates being arranged in a stacked arrangement with the conveying shells, the auxiliary carrier plates being arranged between adjacent conveying wheels, the auxiliary carrier plates having an upward auxiliary carrying face for synchronously carrying articles with the conveying wheels.
CN202320761990.5U 2023-04-04 2023-04-04 Overhead chain conveying structure Active CN219448166U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320761990.5U CN219448166U (en) 2023-04-04 2023-04-04 Overhead chain conveying structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320761990.5U CN219448166U (en) 2023-04-04 2023-04-04 Overhead chain conveying structure

Publications (1)

Publication Number Publication Date
CN219448166U true CN219448166U (en) 2023-08-01

Family

ID=87412155

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320761990.5U Active CN219448166U (en) 2023-04-04 2023-04-04 Overhead chain conveying structure

Country Status (1)

Country Link
CN (1) CN219448166U (en)

Similar Documents

Publication Publication Date Title
CN219488647U (en) Conveying line
CN219448166U (en) Overhead chain conveying structure
CN101622181A (en) Oblique-roller belt conveyor with sideguard
CN217672235U (en) Compact power station
CN217376275U (en) Jacking transfer machine for logistics transportation
CN116653655A (en) Battery transfer equipment and charging room
EP2058263B1 (en) Drive system for moving walkways and escalators
CN108750876B (en) Dish conveying machine
CN215304215U (en) Drawer guide rail structure
CN217375939U (en) Magnetic suspension type belt streamline
CN216128936U (en) Heavy load moves and carries steering engine
CN215709131U (en) Carrier roller conveying mechanism and pipe penetrating device
CN216104237U (en) Conveying device for small objects
CN112238446B (en) Parallel mechanism with sliding ball pair
CN210799793U (en) Ball cage retainer with stress-strain distribution optimization structure
CN212136405U (en) Improved generation concatenation formula bearing frame
JP2000177965A (en) Passenger conveyor
CN113233149A (en) Jacking transplanting equipment and sorting equipment
CN213847589U (en) Automatic money transferring and transferring mechanism of parallel transferring and transferring machine
CN207607920U (en) Tank body cooling transport device
CN221701048U (en) Drag chain device and stacker
CN221195292U (en) Solid transportation system based on gravity energy storage technology
CN217939104U (en) Modular fast-assembling mahjong machine
CN217939102U (en) Ready-package mahjong machine
CN2594212Y (en) Thin wall conveying strip

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant