CN214183458U - Building rubbish reducing mechanism - Google Patents

Building rubbish reducing mechanism Download PDF

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Publication number
CN214183458U
CN214183458U CN202023216949.5U CN202023216949U CN214183458U CN 214183458 U CN214183458 U CN 214183458U CN 202023216949 U CN202023216949 U CN 202023216949U CN 214183458 U CN214183458 U CN 214183458U
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China
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crushing
fixedly connected
fixed connection
metal
garbage
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CN202023216949.5U
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Chinese (zh)
Inventor
孙江
刘新波
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Guangdong Lijian Construction Co.,Ltd.
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Lianyungang Normal College
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  • Crushing And Pulverization Processes (AREA)
  • Refuse Collection And Transfer (AREA)

Abstract

The utility model relates to a refuse treatment technical field, more specifically the building rubbish reducing mechanism that says so. Including rubbing crusher structure, metal waste feed mechanism, non-metal waste feed mechanism, branch, bottom plate, bin, roof, first slide rail, second slide rail, lead to groove and limit frame. Its beneficial technological effect does the utility model discloses a be equipped with the electromagnetic plate, can adsorb metal waste through the magnetism, then smash metal waste earlier, then smash non-metal waste. Crushing mechanism's front and back both ends respectively a limit frame of fixed connection, two all fixed connection of limit frame are on the bottom plate, branch of four corners department difference fixed connection of bottom plate, four all fixed connection of branch are on the roof, first slide rail of both ends difference fixed connection around the roof, metal waste feed mechanism sliding connection is on two first slide rails, second slide rail fixed connection is at the middle part right-hand member of roof.

Description

Building rubbish reducing mechanism
Technical Field
The utility model relates to a refuse treatment technical field, more specifically the building rubbish reducing mechanism that says so.
Background
The utility model discloses a building material reducing mechanism, which has the prior patent number CN201820621804.7, and the utility model discloses a building material reducing mechanism, including the support, the welding has the support column on four angles of the lower surface of support, and crushing barrel welds on the support, and the top of crushing barrel is equipped with the pan feeding mouth, and the bottom right-hand member of crushing barrel is equipped with the discharge gate, the inside of crushing barrel is equipped with two crushing rollers, and the interior bottom central point of crushing barrel is equipped with the pivot that passes the interior bottom of crushing barrel, and the welding of the upper end of pivot has the sweeping material leaf, the right side of crushing barrel is equipped with the transmission pipe, and the transmission pipe welds on the support, and the bottom of transmission pipe is equipped with the feed inlet, and the top of transmission pipe is equipped with the bin outlet, and the inside of transmission pipe is equipped with the center pin, and the welding of center pin is fixed with the rotating vane, and the upper end of center pin passes the transmission pipe top and is connected with the output shaft of third motor; the device can realize smashing building rubbish, smash later directly with rubbish by the rubbish transport of low department to the rubbish recovery car of height, convenient and fast. But the device can not classify and crush the construction waste.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a building rubbish reducing mechanism, its beneficial effect does the utility model discloses can classify to building rubbish and smash.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a building rubbish reducing mechanism, includes rubbing crusher structure, metal waste feed mechanism, non-metal waste feed mechanism, branch, bottom plate, bin, roof, first slide rail, second slide rail, leads to groove and side frame, rubbing crusher structure around both ends respectively a side frame of fixed connection, two all fixed connection on the bottom plate of side frame, branch of fixed connection is respectively located in the four corners department of bottom plate, four branch all fixed connection are on the roof, first slide rail of both ends difference fixed connection around the roof, metal waste feed mechanism sliding connection is on two first slide rails, second slide rail fixed connection is at the middle part right-hand member of roof, the left end of roof is equipped with logical groove, leads to the groove and is located rubbing crusher structure's top.
As a further optimization of the technical scheme, the utility model relates to a construction waste crushing device, wherein the crushing mechanism comprises a crushing box, a non-metallic waste feed inlet, a discharge hopper, a motor, a chain wheel, a chain, a crushing knife and a rotating shaft; the metal garbage feed inlet and non-metal garbage feed inlet are fixed connection respectively and communicate both ends about smashing the case, go out hopper fixed connection and communicate the lower extreme at smashing the case, two rotation axes rotate the inner wall both ends of connecting at smashing the case respectively, all interval fixed connection a plurality of crushing sword on two rotation axes, two sprocket fixed connection respectively is on two rotation axes, two sprockets pass through chain drive and connect, one of them rotation axis passes through shaft coupling fixed connection on the output shaft of motor, the motor passes through motor frame fixed connection on smashing the case, both ends difference fixed connection side frame around smashing the case.
As a further optimization of the technical scheme, the utility model relates to a construction waste smashing device, wherein a metal waste feeding mechanism comprises a door-shaped frame, a first sliding block, a first telescopic cylinder and an electromagnetic plate; the two ends of the portal frame are respectively fixedly connected with a first sliding block, the fixed end of the first telescopic cylinder is fixedly connected to the middle of the portal frame, the electromagnetic plate is fixedly connected to the telescopic end of the first telescopic cylinder, and the two first sliding blocks are respectively connected to the two first sliding rails in a sliding mode.
As a further optimization of the technical scheme, the utility model relates to a construction waste smashing device, wherein a non-metallic waste feeding mechanism comprises a second sliding block, a transverse plate, a connecting rod, a second telescopic cylinder, a U-shaped seat and a dustbin; the transverse plate is fixedly connected to the second sliding block, the lower end of the connecting rod and the fixed end of the second telescopic cylinder are respectively and fixedly connected to the left end and the right end of the transverse plate, the two U-shaped seats are respectively hinged to the upper end of the connecting rod and the telescopic end of the second telescopic cylinder, the two U-shaped seats are respectively and fixedly connected to the two ends of the dustbin, and the second sliding block is slidably connected to the second sliding rail.
As a further optimization of this technical scheme, the utility model relates to a construction waste reducing mechanism, two rotatory epaxial crushing sword crisscross settings.
The utility model relates to a building rubbish reducing mechanism's beneficial effect does:
the utility model relates to a building rubbish reducing mechanism, the utility model discloses a be equipped with the electromagnetic plate, can adsorb metal waste through magnetism, then smash metal waste earlier, then smash non-metallic waste, can classify and smash rubbish, can make things convenient for in rubbish recovery, smash the crisscross setting of sword, can make rubbish kibbling more abundant.
Drawings
Fig. 1 is a schematic structural view of a construction waste crushing device of the utility model;
FIG. 2 is a schematic view of the shredder mechanism;
FIG. 3 is a schematic cross-sectional view of the shredder mechanism;
FIG. 4 is a schematic structural view of a metallic waste feeding mechanism;
fig. 5 is a schematic structural diagram of a non-metallic waste feeding mechanism.
In the figure: a crushing mechanism 1; 1-1 of a crushing box; a non-metal garbage feed port 1-2; a metal garbage feeding port 1-3; a discharge hopper 1-4; 1-5 of a motor; 1-6 of chain wheel; 1-7 parts of chains; a rotating shaft 1-8; 1-9 parts of a crushing knife; a metal garbage feeding mechanism 2; 2-1 of a portal frame; a first slider 2-2; a first telescopic cylinder 2-3; 2-4 of an electromagnetic plate; a non-metallic garbage feeding mechanism 3; a second slider 3-1; a transverse plate 3-2; 3-3 of a connecting rod; a second telescopic cylinder 3-4; 3-5 parts of a U-shaped seat; 3-6 parts of a garbage can; a strut 4; a bottom plate 5; a storage tank 6; a top plate 7; a first slide rail 8; a second slide rail 9; a through groove 10; and a side frame 11.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The present invention will be described in further detail with reference to the accompanying fig. 1-5 and the detailed description.
The first embodiment is as follows:
the embodiment is described below with reference to fig. 1 to 5, and a construction waste crushing device comprises a crushing mechanism 1, a metal waste feeding mechanism 2, a non-metal waste feeding mechanism 3, a support rod 4, a bottom plate 5, a storage box 6, a top plate 7, a first slide rail 8, a second slide rail 9, a through groove 10 and a side frame 11, crushing mechanism 1 around both ends respectively limit frame 11 of fixed connection, two limit frame 11 all fixed connection are on bottom plate 5, branch 4 of fixed connection is distinguished in the four corners department of bottom plate 5, four all fixed connection of branch 4 are on roof 7, first slide rail 8 of both ends difference fixed connection around roof 7, 2 sliding connection of metal waste feed mechanism are on two first slide rails 8, 9 fixed connection of second slide rail are at the middle part right-hand member of roof 7, the left end of roof 7 is equipped with logical groove 10, lead to groove 10 and be located crushing mechanism 1's top. Throw into metal rubbish through metal rubbish feed mechanism 2 earlier in to rubbing crusher structure 1, then smash metal rubbish through rubbing crusher structure 1, then throw into non-metal rubbish through non-metal rubbish feed mechanism 3 in to rubbing crusher structure 1 again, and the building rubbish after smashing gets into bin 6 and carries out recovery processing, carries out categorised the smashing to rubbish, can conveniently retrieve in rubbish.
The second embodiment is as follows:
the embodiment is described below with reference to fig. 1-5, and the crushing mechanism 1 includes a crushing box 1-1, a non-metal garbage feeding port 1-2, a metal garbage feeding port 1-3, a discharging hopper 1-4, a motor 1-5, a chain wheel 1-6, a chain 1-7, a rotating shaft 1-8 and a crushing knife 1-9; the metal garbage feeding port 1-3 and the non-metal garbage feeding port 1-2 are respectively fixedly connected and communicated with the left end and the right end of the crushing box 1-1, the discharging hopper 1-4 is fixedly connected and communicated with the lower end of the crushing box 1-1, two rotating shafts 1-8 are respectively and rotatably connected with the two ends of the inner wall of the crushing box 1-1, a plurality of crushing knives 1-9 are respectively and fixedly connected on the two rotating shafts 1-8 at intervals, two chain wheels 1-6 are respectively and fixedly connected with the two crushing knives 1-9, the two chain wheels 1-6 are in transmission connection through chains 1-7, one of the rotating shafts 1-8 is fixedly connected to an output shaft of the motor 1-5 through a coupling, the motor 1-5 is fixedly connected to the crushing box 1-1 through a motor frame, and the front end and the rear end of the crushing box 1-1 are respectively and fixedly connected with a side frame 11. The metal garbage enters the crushing box 1-1 through the metal garbage feeding hole 1-3, the motor 1-5 is started to operate to drive the crushing knife 1-9 connected with the motor to rotate, the chain wheel 1-6 connected with the crushing knife 1-9 can rotate, the other chain wheel 1-6 rotates through the transmission connection of the chain 1-7, so that the other crushing knife 1-9 can rotate, the two crushing knives 1-9 rotate to drive the crushing knives 1-9 to rotate at a high speed to crush the metal garbage, the crushed metal garbage enters the storage box 6 through the discharge hopper 1-4, after the metal garbage is stored, the storage box 6 is replaced, then the non-metal building garbage enters the crushing box 1-1 through the non-metal garbage feeding hole 1-2, the non-metal garbage is crushed through the crushing knives 1-9 rotating at a high speed, then the garbage enters the storage box 6 after replacement through the discharge hoppers 1-4, the metal garbage is firstly crushed, then the nonmetal garbage is crushed, the garbage can be classified and crushed, and the garbage can be conveniently recycled.
The third concrete implementation mode:
the present embodiment is described below with reference to fig. 1 to 5, and the metal garbage feeding mechanism 2 includes a gantry 2-1, a first slide block 2-2, a first telescopic cylinder 2-3, and an electromagnetic plate 2-4; two ends of the door-shaped frame 2-1 are respectively fixedly connected with a first sliding block 2-2, a fixed end of a first telescopic cylinder 2-3 is fixedly connected to the middle of the door-shaped frame 2-1, an electromagnetic plate 2-4 is fixedly connected to a telescopic end of the first telescopic cylinder 2-3, and the two first sliding blocks 2-2 are respectively connected to two first sliding rails 8 in a sliding manner. The two first sliding blocks 2-2 are slid rightwards to enable the electromagnetic plates 2-4 to be positioned above the non-metallic garbage feeding mechanism 3, the first telescopic cylinders 2-3 are started to operate to enable the electromagnetic plates 2-4 to move downwards, then the electromagnetic plates 2-4 generate magnetism under the condition of power-on to adsorb the metallic garbage, then the first telescopic cylinders 2-3 contract to enable the electromagnetic plates 2-4 to drive the metallic garbage to leave the non-metallic garbage feeding mechanism 3, then the first sliding blocks 2-2 are slid leftwards to enable the electromagnetic plates 2-4 to be positioned at the upper ends of the metallic garbage feeding holes 1-3, then the first telescopic cylinders 2-3 are started to operate to push the electromagnetic plates 2-4 to move downwards until the metallic garbage can enter the metallic garbage feeding holes 1-3, power is cut off, and the magnetism on the electromagnetic plates 2-4 disappears, the metal garbage falls into the crushing box 1-1 to be crushed, the metal garbage can be adsorbed by magnetism through the electromagnetic plate, and then the metal garbage is crushed firstly.
The fourth concrete implementation mode:
the embodiment is described below with reference to fig. 1-5, and the non-metallic waste feeding mechanism 3 includes a second sliding block 3-1, a transverse plate 3-2, a connecting rod 3-3, a second telescopic cylinder 3-4, a U-shaped seat 3-5, and a waste bin 3-6; the transverse plate 3-2 is fixedly connected to the second sliding block 3-1, the lower end of the connecting rod 3-3 and the fixed end of the second telescopic cylinder 3-4 are fixedly connected to the left end and the right end of the transverse plate 3-2 respectively, the two U-shaped seats 3-5 are hinged to the upper end of the connecting rod 3-3 and the telescopic end of the second telescopic cylinder 3-4 respectively, the two U-shaped seats 3-5 are fixedly connected to two ends of the dustbin 3-6 respectively, and the second sliding block 3-1 is connected to the second sliding rail 9 in a sliding mode. The second sliding block 3-1 slides to the edge of the through groove 10 leftwards, the second telescopic cylinder 3-4 is started to operate, the right end of the garbage can 3-6 is pushed to move upwards, garbage in the garbage can 3-6 can fall down, and the garbage enters the crushing box 1-1 through the non-metal garbage feeding hole 1-2 to crush the non-metal garbage. The metal garbage and the nonmetal garbage are separately crushed, and the crushed garbage can be conveniently recycled.
The fifth concrete implementation mode:
the present embodiment will be described with reference to fig. 1 to 5, wherein the crushing blades 1 to 9 on the two rotating shafts 1 to 8 are alternately arranged. The crushing cutters 1-9 are arranged in a staggered mode, so that garbage can be crushed more fully, and the working efficiency is improved.
The utility model discloses a theory of operation: when the device is used, firstly, metal garbage is put into the crushing mechanism 1 through the metal garbage feeding mechanism 2, then the metal garbage is crushed through the crushing mechanism 1, secondly, non-metal garbage is put into the crushing mechanism 1 through the non-metal garbage feeding mechanism 3, the crushed construction garbage enters the storage tank 6 for recovery treatment, the garbage is classified and crushed, the garbage can be conveniently recovered, the metal garbage enters the crushing tank 1-1 through the metal garbage feeding port 1-3, the motor 1-5 is started to operate to drive the crushing knife 1-9 connected with the motor to rotate, the chain wheel 1-6 connected with the crushing knife 1-9 can rotate, the other chain wheel 1-6 is connected through the transmission of the chain 1-7 to rotate, so that the other crushing knife 1-9 can rotate, and the two crushing knives 1-9 rotate, the crushing cutter 1-9 is driven to rotate at a high speed to crush the metal garbage, the crushed metal garbage enters the storage tank 6 through the discharge hopper 1-4, the storage tank 6 is replaced after the metal garbage is stored, then the non-metal construction garbage enters the crushing tank 1-1 through the non-metal garbage feed port 1-2, the non-metal garbage is crushed through the crushing cutter 1-9 rotating at the high speed, then the crushed metal garbage enters the storage tank 6 after being replaced through the discharge hopper 1-4, the metal garbage is firstly crushed, then the non-metal garbage is crushed, the garbage can be classified and crushed, the garbage can be conveniently recycled, the two first sliding blocks 2-2 are slid rightwards, the electromagnetic plate 2-4 is positioned above the non-metal garbage feed mechanism 3, and the first telescopic air cylinder 2-3 is started to operate, the electromagnetic plates 2-4 move downwards, then the electromagnetic plates 2-4 generate magnetism under the power-on condition, the metal garbage is adsorbed, then the first telescopic cylinder 2-3 contracts, the electromagnetic plates 2-4 drive the metal garbage to leave the non-metal garbage feeding mechanism 3, then the first sliding block 2-2 slides leftwards, the electromagnetic plates 2-4 are positioned at the upper end of the metal garbage feeding port 1-3, then the first telescopic cylinder 2-3 starts to operate to push the electromagnetic plates 2-4 to move downwards until the metal garbage can enter the metal garbage feeding port 1-3, the power is cut off, the magnetism on the electromagnetic plates 2-4 disappears, the metal garbage falls into the crushing box 1-1 to crush the metal garbage, and the metal garbage can be adsorbed by the magnetism through the electromagnetic plates, then, the metal garbage is firstly crushed, the second sliding block 3-1 slides leftwards to the edge of the through groove 10, the second telescopic cylinder 3-4 is started to operate, the right end of the garbage can 3-6 is pushed to move upwards, the garbage in the garbage can 3-6 can fall down, and the garbage enters the crushing box 1-1 through the non-metal garbage feeding hole 1-2 to crush the non-metal garbage. The metal garbage and the nonmetal garbage are separately crushed, and the crushed garbage can be conveniently recycled.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention also belong to the protection scope of the present invention.

Claims (5)

1. The utility model provides a construction waste reducing mechanism, includes rubbing crusher structure (1), metal waste feed mechanism (2), non-metal waste feed mechanism (3), branch (4), bottom plate (5), bin (6), roof (7), first slide rail (8), second slide rail (9), leads to groove (10) and limit frame (11), its characterized in that: crushing mechanism (1) around both ends respectively limit frame (11) of fixed connection, two all fixed connection of limit frame (11) are on bottom plate (5), branch (4) of fixed connection are respectively located in the four corners of bottom plate (5), four all fixed connection of branch (4) are on roof (7), first slide rail (8) of fixed connection are respectively located in both ends around roof (7), metal rubbish feed mechanism (2) sliding connection is on two first slide rail (8), second slide rail (9) fixed connection is at the middle part right-hand member of roof (7), the left end of roof (7) is equipped with logical groove (10), it is located the top of crushing mechanism (1) to lead to groove (10), bin (6) can be dismantled and connect on bottom plate (5).
2. The construction waste crushing device according to claim 1, wherein: the crushing mechanism (1) comprises a crushing box (1-1), a non-metal garbage feeding port (1-2), a metal garbage feeding port (1-3), a discharging hopper (1-4), a motor (1-5), a chain wheel (1-6), a chain (1-7), a rotating shaft (1-8) and a crushing knife (1-9); the metal garbage feeding port (1-3) and the nonmetal garbage feeding port (1-2) are respectively fixedly connected and communicated with the left end and the right end of the crushing box (1-1), the discharging hopper (1-4) is fixedly connected and communicated with the lower end of the crushing box (1-1), two rotating shafts (1-8) are respectively and rotatably connected with the two ends of the inner wall of the crushing box (1-1), a plurality of crushing knives (1-9) are fixedly connected on the two rotating shafts (1-8) at intervals, two chain wheels (1-6) are respectively and fixedly connected on the two crushing knives (1-9), the two chain wheels (1-6) are in transmission connection through chains (1-7), one rotating shaft (1-8) is fixedly connected on an output shaft of a motor (1-5) through a coupler, the motor (1-5) is fixedly connected on the crushing box (1-1) through a motor frame, the front end and the rear end of the crushing box (1-1) are respectively fixedly connected with a side frame (11).
3. The construction waste crushing device according to claim 1, wherein: the metal garbage feeding mechanism (2) comprises a door-shaped frame (2-1), a first sliding block (2-2), a first telescopic cylinder (2-3) and an electromagnetic plate (2-4); two ends of the portal frame (2-1) are respectively fixedly connected with a first sliding block (2-2), the fixed end of a first telescopic cylinder (2-3) is fixedly connected to the middle of the portal frame (2-1), an electromagnetic plate (2-4) is fixedly connected to the telescopic end of the first telescopic cylinder (2-3), and the two first sliding blocks (2-2) are respectively connected to the two first sliding rails (8) in a sliding mode.
4. The construction waste crushing device according to claim 1, wherein: the non-metallic garbage feeding mechanism (3) comprises a second sliding block (3-1), a transverse plate (3-2), a connecting rod (3-3), a second telescopic cylinder (3-4), a U-shaped seat (3-5) and a garbage can (3-6); the transverse plate (3-2) is fixedly connected to the second sliding block (3-1), the lower end of the connecting rod (3-3) and the fixed end of the second telescopic cylinder (3-4) are fixedly connected to the left end and the right end of the transverse plate (3-2) respectively, the two U-shaped seats (3-5) are hinged to the upper end of the connecting rod (3-3) and the telescopic end of the second telescopic cylinder (3-4) respectively, the two U-shaped seats (3-5) are fixedly connected to the two ends of the garbage can (3-6) respectively, and the second sliding block (3-1) is connected to the second sliding rail (9) in a sliding mode.
5. The construction waste crushing device according to claim 2, wherein: the crushing knives (1-9) on the two rotating shafts (1-8) are arranged in a staggered way.
CN202023216949.5U 2020-12-28 2020-12-28 Building rubbish reducing mechanism Active CN214183458U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023216949.5U CN214183458U (en) 2020-12-28 2020-12-28 Building rubbish reducing mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023216949.5U CN214183458U (en) 2020-12-28 2020-12-28 Building rubbish reducing mechanism

Publications (1)

Publication Number Publication Date
CN214183458U true CN214183458U (en) 2021-09-14

Family

ID=77629825

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023216949.5U Active CN214183458U (en) 2020-12-28 2020-12-28 Building rubbish reducing mechanism

Country Status (1)

Country Link
CN (1) CN214183458U (en)

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GR01 Patent grant
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TR01 Transfer of patent right
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Effective date of registration: 20230725

Address after: No. 120, Group 8, Second Village, Xiansan Village Committee, Xiangang Town, Gaoyao City, Zhaoqing, Guangdong Province 526107

Patentee after: Zhong Cuizhen

Patentee after: Zhong Hanshu

Address before: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province

Patentee before: Dragon totem Technology (Hefei) Co.,Ltd.

Effective date of registration: 20230725

Address after: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province

Patentee after: Dragon totem Technology (Hefei) Co.,Ltd.

Address before: No.28, Shenghu Road, Xinpu District, Lianyungang City, Jiangsu Province

Patentee before: LIANYUNGANG NORMAL College

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230825

Address after: Room 02, 14th Floor, No. 38 Zhoumen North Road, Liwan District, Guangzhou City, Guangdong Province, 510000 (office only)

Patentee after: Guangdong Lijian Construction Co.,Ltd.

Address before: No. 120, Group 8, Second Village, Xiansan Village Committee, Xiangang Town, Gaoyao City, Zhaoqing, Guangdong Province 526107

Patentee before: Zhong Cuizhen

Patentee before: Zhong Hanshu