CN216187248U - Be applied to sewage treatment plant's prestressing force tubular column allocation and transportation mobile device - Google Patents

Be applied to sewage treatment plant's prestressing force tubular column allocation and transportation mobile device Download PDF

Info

Publication number
CN216187248U
CN216187248U CN202122547264.7U CN202122547264U CN216187248U CN 216187248 U CN216187248 U CN 216187248U CN 202122547264 U CN202122547264 U CN 202122547264U CN 216187248 U CN216187248 U CN 216187248U
Authority
CN
China
Prior art keywords
pipe column
clamping seat
clamping
sewage treatment
treatment plant
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
CN202122547264.7U
Other languages
Chinese (zh)
Inventor
彭国超
柯盛聪
吴怡薇
周俊杰
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.)
Zhejiang Ruimei Ecological Construction Co ltd
Original Assignee
Zhejiang Ruimei Ecological Construction 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 Zhejiang Ruimei Ecological Construction Co ltd filed Critical Zhejiang Ruimei Ecological Construction Co ltd
Priority to CN202122547264.7U priority Critical patent/CN216187248U/en
Application granted granted Critical
Publication of CN216187248U publication Critical patent/CN216187248U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Load-Engaging Elements For Cranes (AREA)

Abstract

The utility model provides a prestressed pipe column allocation and transportation moving device applied to a sewage treatment plant, which relates to the technical field of allocation and transportation devices and comprises a bearing plate and a fixed frame, wherein the fixed frame is arranged above the bearing plate, the top of the fixed frame is provided with a nut sleeve, a threaded lead screw is arranged in the nut sleeve, the lower end of the threaded lead screw is rotatably provided with a clamping seat through a bearing, and two sides in the clamping seat are rotatably provided with clamping arms; according to the utility model, the prestressed pipe column is positioned and placed by utilizing the arc-shaped bearing groove on the bearing plate, the threaded screw rod is driven to rotate by rotating the rotary table, the clamping seat can be driven to downwards fix the pipe column by matching with the guide of the slide rod, the upper clamping force and the lower clamping force are applied, and the first gear is driven to rotate by the rotation of the first worm, so that the clamping arm is driven to rotate to clamp the pipe column, the left clamping force and the right clamping force are applied, the fixing stability is facilitated, the pipe column cannot slide off, and the pipe column can be also matched with and clamped with pipe columns with different calibers.

Description

Be applied to sewage treatment plant's prestressing force tubular column allocation and transportation mobile device
Technical Field
The utility model relates to the technical field of allocation and transportation devices, in particular to a prestress pipe column allocation and transportation moving device applied to a sewage treatment plant.
Background
The prestressed pipe column is a hollow cylinder body elongated concrete prefabricated component which is manufactured by adopting a pretensioning method prestressed process and a centrifugal forming method, and mainly comprises a cylindrical pile body, an end plate, a steel ferrule and the like; the prestressed pipe column is divided into a prestressed concrete pipe column and a prestressed high-strength concrete pipe column according to the concrete strength grade or effective prestress;
in the installation engineering of the prestressed pipe column, the prestressed pipe column is required to be dispatched and moved in a short distance frequently, in the prior art, a simple trolley is generally utilized, the prestressed pipe column is placed on the trolley and is easy to roll off, or a sling is utilized to bind the pipe column for hoisting, so that binding and unbinding are required, and the operation is troublesome.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides a prestressed pipe column allocation and transportation moving device applied to a sewage treatment plant, which fixes and stabilizes a pipe column by applying upper and lower clamping forces and left and right clamping forces, so that the pipe column cannot slide and is also suitable for clamping pipe columns with different calibers.
In order to realize the purpose of the utility model, the utility model is realized by the following technical scheme: a prestress pipe column allocation and transportation moving device applied to a sewage treatment plant comprises a bearing plate and a fixing frame, wherein the fixing frame is arranged above the bearing plate, the top of the fixing frame is provided with a nut sleeve, a thread screw rod and a thread screw rod are arranged in the nut sleeve, the lower end of the thread screw rod is rotatably provided with a clamping seat through a bearing, clamping arms are rotatably arranged on two sides in the clamping seat, a first gear is arranged at the rotating positions of the clamping arms and the clamping seat, a first worm is rotatably arranged at the middle position in the clamping seat, the first worm is matched with the first gear, and a turntable is arranged at the upper end of the thread screw rod;
the nut sleeve is characterized in that sliding sleeves are arranged on the fixing frame at the positions of two ends of the nut sleeve, sliding rods are arranged at two ends of the top of the clamping seat, the sliding rods movably penetrate through the sliding sleeves, and arc-shaped supporting grooves are arranged on the supporting plate at the positions below the clamping seat.
The further improvement lies in that: the novel clamping device is characterized in that a first spongy cushion is arranged inside the arc-shaped supporting groove, an arc-shaped pressure groove is formed in the bottom of the clamping seat, and a second spongy cushion is arranged inside the arc-shaped pressure groove.
The further improvement lies in that: the top of the interior of the clamping seat is provided with a cavity, a driving motor is arranged in the cavity, and the output end of the driving motor is connected with the first worm.
The further improvement lies in that: the middle position department at the fixed bolster top is equipped with the handling handle, and the handling handle with fixed bolster integrated into one piece, the handling handle is used for connecting hoisting accessory.
The further improvement lies in that: the bearing plate is hinged to one end of the bearing plate, a magnetic attraction groove is formed in the upper portion of one end of the guide plate, a magnetic attraction block is arranged at one end, close to the guide plate, of the fixing frame, and the magnetic attraction block is matched with the magnetic attraction groove.
The further improvement lies in that: the four corners department of bearing plate bottom all is equipped with the installation cavity, and the internal rotation of installation cavity installs the second gear, the one end of second gear is equipped with the connecting plate, and the one end of connecting plate is equipped with the pulley, and is two sets of homonymy the inside top of installation cavity is rotated and is connected with the pivot, and the pivot is located two sets of be equipped with the second worm on one section of installation cavity inside, second worm and second gear looks adaptation, the one end of pivot is equipped with the turning handle.
The further improvement lies in that: the both sides of the inside one end of bearing board all are equipped with the spout, and the inside movable mounting of spout has the slider, the bore of slider is greater than the export bore of spout, and the slider is close to the one end of spout export articulates there is the push rod.
The utility model has the beneficial effects that:
1. according to the utility model, the prestressed pipe column is positioned and placed by utilizing the arc-shaped bearing groove on the bearing plate, the threaded screw rod is driven to rotate by rotating the rotary table, the clamping seat can be driven to downwards fix the pipe column by matching with the guide of the slide rod, the upper clamping force and the lower clamping force are applied, and the first gear is driven to rotate by the rotation of the first worm, so that the clamping arm is driven to rotate to clamp the pipe column, the left clamping force and the right clamping force are applied, the fixing stability is facilitated, the pipe column cannot slide off, and the pipe column can be also matched with and clamped with pipe columns with different calibers.
2. According to the utility model, the upper guide plate is closed by utilizing the action of the guide plate during transportation, so that the magnetic suction block adsorbs the magnetic suction groove, the fixing frame is closed, the tubular column is further protected from falling, the tubular column can be conveniently unloaded through the inclined guide plate by opening the guide plate during unloading, binding and unbinding of workers are not needed, the use is more convenient, and manpower is saved.
3. The second worm rotates by rotating the rotating shaft to drive the second gear to rotate, so that the pulley is rotated out of the mounting cavity, the push rod is pulled out, the pulley is conveniently pushed and transported, the rotating shaft can also rotate reversely, the pulley is retracted into the mounting cavity, the push rod is pushed into the sliding groove, and then the hoisting handle is connected with the hoisting device for hoisting, so that the device is used in multiple modes and is more convenient to use.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the threaded lead screw and holder installation of the present invention;
FIG. 3 is a schematic view of the interior of the clamping base of the present invention;
fig. 4 is a schematic view of the interior of the mounting cavity and runner of the present invention.
Wherein: 1. a support plate; 2. a fixed mount; 3. a nut sleeve; 4. a threaded lead screw; 5. a clamping seat; 6. a clamp arm; 7. a first gear; 8. a first worm; 9. a turntable; 10. a sliding sleeve; 11. a slide bar; 12. an arc-shaped bearing groove; 13. a first foam-rubber cushion; 14. a second foam pad; 15. a cavity; 16. a drive motor; 17. hoisting a handle; 18. a guide plate; 19. a magnetic attraction groove; 20. a magnetic block; 21. a mounting cavity; 22. a second gear; 23. a connecting plate; 24. a pulley; 25. a rotating shaft; 26. a second worm; 27. turning a handle; 28. a chute; 29. a slider; 30. a push rod.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Example one
According to the drawings of fig. 1, 2 and 3, the embodiment provides a prestressed pipe column allocation and transportation moving device applied to a sewage treatment plant, which comprises a bearing plate 1 and a fixed frame 2, wherein the fixed frame 2 is arranged above the bearing plate 1, a nut sleeve 3 is arranged at the top of the fixed frame 2, a threaded screw rod 4 is arranged inside the nut sleeve 3, a clamping seat 5 is rotatably arranged at the lower end of the threaded screw rod 4 through a bearing, clamping arms 6 are rotatably arranged on two sides inside the clamping seat 5, a first gear 7 is arranged at the rotating positions of the clamping arms 6 and the clamping seat 5, a first worm 8 is rotatably arranged at the middle position inside the clamping seat 5, the first worm 8 is matched with the first gear 7, and a rotary table 9 is arranged at the upper end of the threaded screw rod 4;
the fixing frame 2 at the two ends of the nut sleeve 3 is provided with a sliding sleeve 10, the two ends of the top of the clamping seat 5 are provided with sliding rods 11, the sliding rods 11 movably penetrate through the sliding sleeve 10, and the bearing plate 1 at the position below the clamping seat 5 is provided with an arc-shaped bearing groove 12. When the device is used, a tubular column is pushed into an arc-shaped supporting groove 12 on a supporting plate 1, a rotary turntable 9 drives a threaded screw rod 4 to rotate, the clamping seat 5 is driven to downwards fix the tubular column by matching with the guide of a slide rod 11, the upper clamping force and the lower clamping force are applied, and meanwhile, a first worm 8 is rotated to drive a first gear 7 to rotate, so that a clamping arm 6 is driven to rotate to clamp the tubular column and apply the left clamping force and the right clamping force.
The arc-shaped bracket 12 is internally provided with a first spongy cushion 13, the bottom of the clamping seat 5 is provided with an arc-shaped pressure applying groove, and the arc-shaped pressure applying groove is internally provided with a second spongy cushion 14. During the use, the clamping-force about arc-shaped pressure groove cooperation arc-shaped support groove 12 applys, and the effect of the first foam-rubber cushion 13 of cooperation and second foam-rubber cushion 14 avoids damaging the tubular column.
The top of the interior of the clamping seat 5 is provided with a cavity 15, a driving motor 16 is arranged in the cavity 15, and the output end of the driving motor 16 is connected with the first worm 8. When the tubular column clamping device is used, the driving motor 16 drives the first worm 8 to rotate, so that the first gear 7 is driven to rotate, and the clamping arm 6 is driven to rotate to clamp a tubular column.
The middle position department at the top of mount 2 is equipped with handling handle 17, and handling handle 17 with mount 2 integrated into one piece, handling handle 17 is used for connecting hoisting accessory. The lifting handle 17 is connected with a lifting device for lifting, and the lifting device can be used in multiple modes.
One end of the supporting plate 1 is hinged with a guide plate 18, a magnetic attraction groove 19 is formed above one end of the guide plate 18, a magnetic attraction block 20 is arranged at one end, close to the guide plate 18, of the fixing frame 2, and the magnetic attraction block 20 is matched with the magnetic attraction groove 19. During the transportation, deflector 18 on the closure for magnetism is inhaled piece 20 and is adsorbed magnetism and inhale groove 19, thereby closed mount 2, and further the protection tubular column can not drop, and during the time of unloading, only need open deflector 18, the deflector 18 through the slope makes things convenient for the tubular column to roll and unloads, and it is more convenient to use.
Example two
According to the drawings of fig. 1, 2, 3 and 4, the embodiment provides a prestressed pipe column allocation and transportation moving device applied to a sewage treatment plant, which comprises a bearing plate 1 and a fixed frame 2, wherein the fixed frame 2 is arranged above the bearing plate 1, a nut sleeve 3 is arranged at the top of the fixed frame 2, a threaded screw rod 4 is arranged in the nut sleeve 3, a clamping seat 5 is rotatably arranged at the lower end of the threaded screw rod 4 through a bearing, clamping arms 6 are rotatably arranged on two sides in the clamping seat 5, a first gear 7 is arranged at the rotating positions of the clamping arms 6 and the clamping seat 5, a first worm 8 is rotatably arranged at the middle position in the clamping seat 5, the first worm 8 is matched with the first gear 7, and a rotary table 9 is arranged at the upper end of the threaded screw rod 4;
the fixing frame 2 at the two ends of the nut sleeve 3 is provided with a sliding sleeve 10, the two ends of the top of the clamping seat 5 are provided with sliding rods 11, the sliding rods 11 movably penetrate through the sliding sleeve 10, and the bearing plate 1 at the position below the clamping seat 5 is provided with an arc-shaped bearing groove 12. When the device is used, a tubular column is pushed into an arc-shaped supporting groove 12 on a supporting plate 1, a rotary turntable 9 drives a threaded screw rod 4 to rotate, the clamping seat 5 is driven to downwards fix the tubular column by matching with the guide of a slide rod 11, the upper clamping force and the lower clamping force are applied, and meanwhile, a first worm 8 is rotated to drive a first gear 7 to rotate, so that a clamping arm 6 is driven to rotate to clamp the tubular column and apply the left clamping force and the right clamping force.
The middle position department at the top of mount 2 is equipped with handling handle 17, and handling handle 17 with mount 2 integrated into one piece, handling handle 17 is used for connecting hoisting accessory. The lifting handle 17 is connected with a lifting device for lifting, and the lifting device can be used in multiple modes.
All be equipped with installation cavity 21 in the four corners department of bearing board 1 bottom, and the inside rotation of installation cavity 21 installs second gear 22, the one end of second gear 22 is equipped with connecting plate 23, and the one end of connecting plate 23 is equipped with pulley 24, and is two sets of homonymy the inside top of installation cavity 21 rotates and is connected with pivot 25, and pivot 25 is located two sets of be equipped with second worm 26 in one section of installation cavity 21 inside, second worm 26 and second gear 22 looks adaptation, the one end of pivot 25 is equipped with changes 27. Both sides of the inside one end of bearing board 1 all are equipped with spout 28, and the inside movable mounting of spout 28 has slider 29, the bore of slider 29 is greater than the export bore of spout 28, and slider 29 is close to the one end that spout 28 exported articulates there is push rod 30. During the handling, rotate and change the handle 27 and rotate the pivot 25 for the second worm 26 is rotatory, drives the rotation of second gear 22, thereby rotates pulley 24 out of installation cavity 21, pulls out push rod 30 simultaneously, promotes the transfer, and during the handling, reverse rotation pivot 25 withdraws installation cavity 21 with pulley 24, and pushes up push rod 30 into spout 28, then connects the overhead hoist through handling handle 17 and carries out the handling.
This be applied to prestressing force tubular column allocation and transportation mobile device of sewage treatment plant utilizes arc support groove 12 on the bearing board 1 to fix a position and place the prestressing force tubular column, it is rotatory to drive screw lead screw 4 through rotatory carousel 9, the direction of cooperation slide bar 11, can drive grip slipper 5 and fix the tubular column downwards, exert upper and lower clamping-force, it is rotatory to drive first gear 7 through first worm 8 rotation simultaneously, thereby drive the rotatory tubular column of centre gripping arm 6, exert the clamping-force about, be favorable to fixed firm, make the tubular column can not the landing, the tubular column of the different bores of adaptation centre gripping also. And utilize the effect of deflector 18, when the transportation, closed upper deflector 18 for magnetism piece 20 adsorbs magnetism and inhales groove 19, thereby closed mount 2, further protects the tubular column can not drop, when unloading, only needs to open deflector 18, makes things convenient for the tubular column to roll through the deflector 18 of slope and unloads, need not the workman and bindes and unbind, and it is more convenient to use, uses manpower sparingly. In addition, this device can be through rotating pivot 25 for second worm 26 is rotatory, and it is rotatory to drive second gear 22, thereby rotates installation cavity 21 with pulley 24, pulls out push rod 30 simultaneously, conveniently promotes the accent fortune, also can the counter rotation pivot 25, withdraws installation cavity 21 with pulley 24, and pushes away push rod 30 in spout 28, then connects the overhead hoist through handling handle 17 and carries out the handling, and multiple mode uses, and is more convenient.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a be applied to sewage treatment plant's prestressing force tubular column allocation and transportation mobile device, includes bearing board (1) and mount (2), its characterized in that: the fixing frame (2) is arranged above the bearing plate (1), a nut sleeve (3) is arranged at the top of the fixing frame (2), a threaded screw rod (4) is arranged inside the nut sleeve (3), a clamping seat (5) is rotatably arranged at the lower end of the threaded screw rod (4) through a bearing, clamping arms (6) are rotatably arranged on two sides inside the clamping seat (5), a first gear (7) is arranged at the rotating positions of the clamping arms (6) and the clamping seat (5), a first worm (8) is rotatably arranged at the middle position inside the clamping seat (5), the first worm (8) is matched with the first gear (7), and a turntable (9) is arranged at the upper end of the threaded screw rod (4);
the nut sleeve is characterized in that sliding sleeves (10) are arranged on the fixing frame (2) at the positions of the two ends of the nut sleeve (3), sliding rods (11) are arranged at the two ends of the top of the clamping seat (5), the sliding rods (11) movably penetrate through the sliding sleeves (10), and arc-shaped supporting grooves (12) are arranged on the supporting plate (1) at the position below the clamping seat (5).
2. The prestressed pipe column allocation and transportation moving device applied to the sewage treatment plant according to claim 1, is characterized in that: the novel clamping device is characterized in that a first spongy cushion (13) is arranged inside the arc-shaped supporting groove (12), an arc-shaped pressure applying groove is formed in the bottom of the clamping seat (5), and a second spongy cushion (14) is arranged inside the arc-shaped pressure applying groove.
3. The prestressed pipe column allocation and transportation moving device applied to the sewage treatment plant according to claim 2, is characterized in that: the top of the interior of the clamping seat (5) is provided with a cavity (15), a driving motor (16) is arranged in the cavity (15), and the output end of the driving motor (16) is connected with the first worm (8).
4. The prestressed pipe column allocation and transportation moving device applied to the sewage treatment plant according to claim 3, is characterized in that: the middle position of the top of the fixing frame (2) is provided with a lifting handle (17), the lifting handle (17) and the fixing frame (2) are integrally formed, and the lifting handle (17) is used for being connected with a lifting device.
5. The prestressed pipe column allocation and transportation moving device applied to the sewage treatment plant according to claim 4, is characterized in that: one end of the bearing plate (1) is hinged with a guide plate (18), a magnetic attraction groove (19) is formed in the upper portion of one end of the guide plate (18), a magnetic attraction block (20) is arranged at one end, close to the guide plate (18), of the fixing frame (2), and the magnetic attraction block (20) is matched with the magnetic attraction groove (19).
6. The prestressed pipe column shunting and moving device applied to sewage treatment plants according to any one of claims 1-5, characterized in that: four corners department of bearing board (1) bottom all is equipped with installation cavity (21), and the internal rotation of installation cavity (21) installs second gear (22), the one end of second gear (22) is equipped with connecting plate (23), and the one end of connecting plate (23) is equipped with pulley (24), and is two sets of homonymy the top of installation cavity (21) inside is rotated and is connected with pivot (25), and pivot (25) are located two sets of be equipped with second worm (26) in one section of installation cavity (21) inside, second worm (26) and second gear (22) looks adaptation, the one end of pivot (25) is equipped with changes (27).
7. The prestressed pipe column allocation and transportation moving device applied to the sewage treatment plant according to claim 6, is characterized in that: both sides of the inside one end of the bearing plate (1) are provided with sliding grooves (28), a sliding block (29) is movably arranged inside the sliding grooves (28), the caliber of the sliding block (29) is larger than the caliber of an outlet of the sliding grooves (28), and one end, close to the outlet of the sliding grooves (28), of the sliding block (29) is hinged with a push rod (30).
CN202122547264.7U 2021-10-22 2021-10-22 Be applied to sewage treatment plant's prestressing force tubular column allocation and transportation mobile device Active CN216187248U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122547264.7U CN216187248U (en) 2021-10-22 2021-10-22 Be applied to sewage treatment plant's prestressing force tubular column allocation and transportation mobile device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122547264.7U CN216187248U (en) 2021-10-22 2021-10-22 Be applied to sewage treatment plant's prestressing force tubular column allocation and transportation mobile device

Publications (1)

Publication Number Publication Date
CN216187248U true CN216187248U (en) 2022-04-05

Family

ID=80887011

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122547264.7U Active CN216187248U (en) 2021-10-22 2021-10-22 Be applied to sewage treatment plant's prestressing force tubular column allocation and transportation mobile device

Country Status (1)

Country Link
CN (1) CN216187248U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116443409A (en) * 2023-06-19 2023-07-18 江苏扬阳化工设备制造有限公司 Chemical industry reation kettle transports conveying equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116443409A (en) * 2023-06-19 2023-07-18 江苏扬阳化工设备制造有限公司 Chemical industry reation kettle transports conveying equipment
CN116443409B (en) * 2023-06-19 2023-09-05 江苏扬阳化工设备制造有限公司 Chemical industry reation kettle transports conveying equipment

Similar Documents

Publication Publication Date Title
CN104354039B (en) Clamping-position-adjustable pipe clamping device
CN209363353U (en) A kind of semiclosed chain guard automatic bending machine
CN216187248U (en) Be applied to sewage treatment plant's prestressing force tubular column allocation and transportation mobile device
CN208964258U (en) A kind of automatic lifting admission machine
CN208262525U (en) A kind of robot polishing system
CN107009377B (en) Dual-purpose clamping jaw
CN208841145U (en) A kind of electro-tricycle raw material rust removalling equipment
CN108263851A (en) A kind of flowerpot clamp device
CN216655701U (en) Sink roll cleaning device
CN206263814U (en) The clamping device of variously-shaped article can be clamped
CN211053133U (en) Fixing clamp for machining of mechanical die
CN207158299U (en) Automatic loading and unloading device
CN207888344U (en) A kind of major diameter pipe grinding device for inner bore that can precisely adjust
CN207404738U (en) A kind of train polishing motor hoisting device
CN219155712U (en) Alignment device used in cosmetic packaging bottle conveying process
CN218929498U (en) Building water supply pipeline handling device
CN220697251U (en) Rust inhibitor coating mechanism
CN213439524U (en) Be used for automobile parts processing turning device
CN221110899U (en) Clamping device for chamfering elevator guide rail
CN221140151U (en) Auxiliary device for loading and unloading target material
CN220241228U (en) Clamping device for pipe fitting machining
CN215093182U (en) Clamp switching and storing system
CN218778520U (en) Wire rewinding machine convenient to use
CN221093414U (en) Building stone slab hoisting clamp
CN205582646U (en) Long rod insulator porcelain spare waters installation

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant