CN214222186U - Traction device for water supply steel pipe in bypass sleeve - Google Patents

Traction device for water supply steel pipe in bypass sleeve Download PDF

Info

Publication number
CN214222186U
CN214222186U CN202023334565.3U CN202023334565U CN214222186U CN 214222186 U CN214222186 U CN 214222186U CN 202023334565 U CN202023334565 U CN 202023334565U CN 214222186 U CN214222186 U CN 214222186U
Authority
CN
China
Prior art keywords
rotating
water supply
steel pipe
supply steel
rotating shaft
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
CN202023334565.3U
Other languages
Chinese (zh)
Inventor
燕永平
张记广
袁伟
霍炬
于久昌
缪玺
王桂亚
张家日
刘华朋
沈枫然
董晓辉
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.)
Road and Bridge Engineering Co Ltd of China Railway 16th Bureau Group Co Ltd
Original Assignee
Road and Bridge Engineering Co Ltd of China Railway 16th Bureau Group 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 Road and Bridge Engineering Co Ltd of China Railway 16th Bureau Group Co Ltd filed Critical Road and Bridge Engineering Co Ltd of China Railway 16th Bureau Group Co Ltd
Priority to CN202023334565.3U priority Critical patent/CN214222186U/en
Application granted granted Critical
Publication of CN214222186U publication Critical patent/CN214222186U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)

Abstract

The utility model relates to a water supply steel pipe draw gear in cross road sleeve pipe, relate to the highway, railway poling technical field, it includes transport mechanism, drive mechanism, fixture, transport mechanism includes the mounting panel, the gyro wheel, two supporting seats, fixture includes the second motor, two first rotor plates, two second rotor plates, two third rotor plates, two first pivot, two fourth pivot, two gears, the other end of first pivot pass first rotor plate and with first rotor plate fixed connection, the gear has set firmly in the first pivot, the output shaft of second motor sets firmly in one of them first pivot, the one end that first pivot was kept away from to first rotor plate is articulated with the second rotor plate, the one end of third rotor plate is articulated with the side of second rotor plate, the other end of third rotor plate passes the fourth pivot and rotates with the fourth pivot to be connected. This application has the effect of protection water supply steel pipe, reduction damage condition.

Description

Traction device for water supply steel pipe in bypass sleeve
Technical Field
The application relates to the technical field of highway and railway pipe penetration, in particular to a traction device for a water supply steel pipe in a passing sleeve.
Background
When the pipeline passes through roadbeds such as highways, railways and the like, a non-excavation construction method is generally adopted, and after the casing pipe construction is finished, the pipe penetrating operation method influences the pipeline construction quality and the operation safety.
At present, the draw gear of the intraductal water supply steel pipe of way of crossing among the correlation technique generally includes the backup pad that two symmetries set up, rotate the spool of connection in two backup pads, set firmly the second motor in spool one side, the haulage rope of one end winding on the spool, the cover is equipped with the annular plate on the outer peripheral face of water supply steel pipe one end, the other end of haulage rope sets firmly on the annular plate, then starts the second motor, the pulling water supply steel pipe removes in the sleeve pipe of crossing the way.
In connection with the above-described related art, the applicant believes that the draft apparatus can move the water supply steel pipe, but may cause abrasion to the side wall of the water supply steel pipe, damaging the water supply steel pipe.
SUMMERY OF THE UTILITY MODEL
In order to protect the water supply steel pipe and reduce the damage of the water supply steel pipe, the application provides a traction device for the water supply steel pipe in the passing sleeve.
The application provides a pair of pass through intraductal water supply steel pipe draw gear adopts following technical scheme:
a traction device for a water supply steel pipe in a transit sleeve comprises a conveying mechanism for conveying the water supply steel pipe, a traction mechanism for driving the conveying mechanism and a clamping mechanism arranged on the conveying mechanism, wherein the conveying mechanism comprises a mounting plate, rollers arranged on the bottom surface of the mounting plate and two supporting seats fixedly arranged at two ends of the top surface of the mounting plate respectively, the clamping mechanism comprises a second motor, two first rotating plates, two second rotating plates, two third rotating plates, two first rotating shafts with one ends rotatably connected to the side walls of the supporting seats, two fourth rotating shafts with two ends fixedly arranged on the side walls of the two supporting seats respectively, and two gears, the two first rotating plates, the two second rotating plates, the two third rotating plates and the two gears correspond to one another one to one, the other end of each first rotating shaft penetrates through the first rotating plate and is fixedly connected with the first rotating plate, and the gears are fixedly arranged on the first rotating shafts, the gear meshes mutually, the second motor drives one of the first rotating shafts to rotate, one end, far away from the first rotating shaft, of the first rotating plate is hinged to one end of the second rotating plate, one end of the third rotating plate is hinged to the side face of the second rotating plate, the other end of the third rotating plate penetrates through the fourth rotating shaft and is connected with the fourth rotating shaft in a rotating mode, and the fourth rotating shaft is located above the first rotating shaft.
By adopting the technical scheme, the water supply steel pipe is placed on the supporting seat, the second motor is started, the output shaft of the second motor can drive one of the first rotating shafts to rotate, so that the first rotating plate fixedly arranged on the first rotating shaft rotates, the other first rotating plate is driven to rotate due to the meshing of the two gears, the distance between the two first rotating plates is increased, meanwhile, the second rotating plate and the third rotating plate are driven to rotate, finally, the distance between the second rotating plates is reduced, the side wall of the water supply steel pipe is clamped, the stability of the water supply steel pipe in the transportation process is enhanced, the condition that the water supply steel pipe slides out from the supporting seat due to inertia is reduced, after the water supply steel pipe moves to a destination, the second motor is reversely started, the distance between the two second rotating plates is increased, the water supply steel pipe can be taken down, and the transportation mechanism plays a role in protecting the water supply steel pipe, the damage to the outer peripheral surface of the water supply steel pipe is reduced, the clamping mechanism enables the water supply steel pipe to be more stable in the transportation process of the water supply steel pipe, and the water supply steel pipe is protected.
Optionally, one end of the first rotating plate, which is far away from the first rotating shaft, is rotatably connected with a second rotating shaft, one end of the second rotating plate, which is close to the first rotating plate, is fixedly connected with the second rotating shaft, the side surface of the second rotating plate is rotatably connected with a third rotating shaft, and one end of the third rotating plate, which is far away from the fourth rotating shaft, is fixedly arranged on the third rotating shaft.
Through adopting above-mentioned technical scheme, can make the second rotor plate rotate around the second pivot, make the third rotor plate rotate around the third pivot, convenient to use.
Optionally, a rubber pad is arranged above the third rotating shaft on the side surface of the second rotating plate close to the water supply steel pipe.
Through adopting above-mentioned technical scheme, the setting of rubber pad can play the effect of protection behind the tight water supply steel pipe lateral wall of second rotor plate clamp.
Optionally, the traction mechanism includes a base, two support plates which are fixed on the base and symmetrically arranged, a first motor which is fixed on the base, a spool which is rotatably connected between the two support plates, and a traction rope of which one end is wound on the spool, wherein one end of the traction rope, which is far away from the spool, is fixed on the transportation mechanism.
Through adopting above-mentioned technical scheme, start first motor, the output shaft of first motor drives the spool and rotates, and then makes the haulage rope shorten, realizes the transportation to transport mechanism, realizes the transportation of water supply steel pipe.
Optionally, two fixing rods are symmetrically and fixedly arranged at one end, close to the conveying mechanism, of the base, the top ends of the fixing rods are rotatably connected with pulleys, and the traction rope is fixedly connected with the conveying mechanism after being wound around the pulleys for one circle.
Through adopting above-mentioned technical scheme, the pulley can make the haulage rope keep the state of tensioning in the use, reduces because of the not hard up condition that causes the influence to the transportation of haulage rope.
Optionally, a connecting plate is fixedly arranged at one end, close to the traction mechanism, of the mounting plate, a connecting hole is formed in the connecting plate, and one end, far away from the spool, of the traction rope penetrates through the connecting hole and is bound to the connecting plate.
Through adopting above-mentioned technical scheme, the mode of binding is convenient for the dismantlement between haulage rope and the transport mechanism.
Optionally, the top surface of supporting seat is the arc of laminating mutually with the water supply steel pipe outside.
Through adopting above-mentioned technical scheme, what arched setting can make the water supply steel pipe better places on the supporting seat, makes it more stable in the transportation, and then the protection water supply steel pipe.
Optionally, a cushion pad matched with the supporting seat is arranged on the top surface of the supporting seat.
Through adopting above-mentioned technical scheme, the setting of blotter can play the effect of buffer protection to the water supply steel pipe in the transportation, reduces the wearing and tearing of supporting seat to the water supply steel pipe lateral wall.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the water supply steel pipe is placed on the supporting seat, the second motor is started, the output shaft of the second motor can drive one of the first rotating shafts to rotate, so that the first rotating plate fixedly arranged on the first rotating shaft rotates, the other first rotating plate is driven to rotate due to the meshing of the two gears, the distance between the two first rotating plates is increased, meanwhile, the second rotating plate and the third rotating plate are driven to rotate, the distance between the second rotating plates is finally reduced, the side wall of the water supply steel pipe is clamped, the stability of the water supply steel pipe in the transportation process is enhanced, the condition that the water supply steel pipe slides out of the supporting seat due to inertia is reduced, the second motor is started in a reverse direction after the water supply steel pipe is moved to a destination, the distance between the two second rotating plates is increased, the water supply steel pipe can be taken down, the transportation mechanism plays a role in protecting the water supply steel pipe, and reduces the condition that the outer peripheral surface of the water supply steel pipe is damaged, the clamping mechanism makes the water supply steel pipe more stable in the transportation process of the water supply steel pipe, and then the water supply steel pipe is protected.
2. One end of the traction rope is wound by the pulley for one circle and then is fixedly connected with the transportation mechanism, so that the traction rope can be in a tensioning state in the transportation process, and the working efficiency is improved.
3. The setting of blotter has reduced the wearing and tearing of second rotor plate to the water supply steel pipe lateral wall, and the setting of rubber pad has reduced the wearing and tearing of supporting seat to the water supply steel pipe lateral wall, protects the integrality of water supply steel pipe.
Drawings
Fig. 1 is a schematic structural view of the whole of the present embodiment.
Fig. 2 is a partial schematic view for showing the traction mechanism.
Fig. 3 is a partial structural view for showing the transport mechanism.
Fig. 4 is a partial schematic view showing the structure of the chucking mechanism.
Fig. 5 is an enlarged view of a portion a in fig. 4.
Description of reference numerals: 1. a traction mechanism; 11. a base; 12. a first motor; 13. a support plate; 14. a bobbin; 15. a hauling rope; 16. fixing the rod; 17. a pulley; 2. a transport mechanism; 21. mounting a plate; 221. a roller; 22. a supporting seat; 23. a cushion pad; 24. a connecting plate; 25. connecting holes; 3. a clamping mechanism; 31. a second motor; 32. a first rotating plate; 321. a first rotating shaft; 322. a gear; 323. a second rotating shaft; 33. a second rotating plate; 331. a third rotating shaft; 34. a third rotating plate; 341. a fourth rotating shaft; 342. a rubber pad; 4. a bypass sleeve; 5. and (5) a water supply steel pipe.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The utility model provides a passing through intraductal water supply steel pipe draw gear, refer to fig. 1 and fig. 2, including drive mechanism 1, transport mechanism 2, fixture 3, drive mechanism 1 sets up in one side of passing through sleeve pipe 4, and transport mechanism 2 sets up in the sleeve pipe 4 of passing through, and transport mechanism 2 is close to the one end of drive mechanism 1 and links to each other with drive mechanism 1, and drive transport mechanism 1 drives transport mechanism 2 and removes, makes transport mechanism 2 drive water supply steel pipe 5 and removes, and fixture 3 sets up on transport mechanism 2. During the use, place water supply steel pipe 5 on transport mechanism 2, start fixture 3 and press from both sides tight water supply steel pipe 5, strengthen the stability to water supply steel pipe 5 in the transportation, start drive mechanism 1, drive transport mechanism 2 removal is sent to drive to water supply steel pipe 5 and then move to the destination.
Referring to fig. 2, the traction mechanism 1 includes a first motor 12, two support plates 13 symmetrically disposed, a spool 14, a traction rope 15 having one end wound around and fixed on the spool 14, two fixing rods 16, and a pulley 17. One side of the passage casing 4 is provided with a base 11, and two supporting plates 13 are fixedly arranged at one end of the base 11 far away from the transportation mechanism 2. The first motor 12 is fixedly arranged on the base 11 and located on one side of the two support plates 13, the spool 14 is rotatably connected between the two support plates 13, and an output shaft of the first motor 12 is fixedly connected with the spool 14. Two dead levers 16 symmetry set firmly in the base 11 one end near transport mechanism 2, and two dead levers 16 set up along the direction of height, and pulley 17 rotates to be connected between two dead levers 16, and haulage rope 15 other end winding pulley 17 round and setting are on transport mechanism 2.
Referring to fig. 3, the transportation mechanism 2 includes a mounting plate 21, the mounting plate 21 is in a rectangular parallelepiped shape, and rollers 221 are respectively disposed at four end corners on a bottom surface of the mounting plate 21. The two ends of the top surface of the mounting plate 21 are respectively and fixedly provided with a supporting seat 22 arranged along the width direction of the mounting plate 21. The top surface of the support seat 22 is in an arc shape which is attached to the outer peripheral surface of the water supply steel pipe 5. The support seat 22 is fixedly provided with a cushion pad 23 matched with the support seat. The mounting plate 21 is fixedly provided with a connecting plate 24 at the center of one end close to the traction mechanism 1, the connecting plate 24 is provided with a connecting hole 25, and one end of the traction rope 15 far away from the spool 14 is bound on the connecting plate 24. When the water supply device is used, the water supply steel pipe 5 is placed on the rubber pad 342, one end of the traction rope 15 penetrates through the connecting hole 25 and is bound on the connecting plate 24, the first motor 12 is started, the transportation mechanism 2 is driven to move, and then the water supply steel pipe 5 is driven to move.
Referring to fig. 4 and 5, the clamping mechanism 3 is disposed on the top surface of the mounting plate 21 between two support blocks 22. The clamping mechanism 3 includes a second motor 31, two first rotating plates 32, two second rotating plates 33, and two third rotating plates 34, and the two first rotating plates 32, the two second rotating plates 33, and the two third rotating plates 34 correspond to one another. The second motor 31 is fixedly mounted on the top surface of the mounting plate 21. Two first rotation plates 32 are provided at both sides of the second motor 31. The two first rotation plates 32 are rectangular, and first rotation shafts 321 are respectively inserted into one ends of the two first rotation plates 32 and are fixedly connected to the first rotation shafts 321. One end of each of the two first rotating shafts 321 is rotatably connected to the side wall of the supporting base 22. The two first rotating shafts 321 are respectively and fixedly provided with gears 322 on the outer peripheral surface passing through one end of the two first rotating plates 32, and the two gears 322 are engaged with each other. The output shaft of the second motor 31 is fixedly connected to one of the first rotating shafts 321.
Referring to fig. 4 and 5, the second rotating plate 33 has a rectangular parallelepiped shape, and a groove is formed by recessing downward at a middle position of one end, and the second rotating plate 33 is disposed obliquely. The end of the first rotating plate 32 away from the first rotating shaft 321 is provided with a second rotating shaft 323, and is rotatably connected to the second rotating shaft 323, and the second rotating shaft 323 is located in the groove of the second rotating plate 33 and is fixedly connected to the second rotating plate 33. An opening is formed on the side surface of the second rotating plate 33 near the second rotating shaft 323, and the second rotating plate 33 is rotatably connected with a third rotating shaft 331 at the opening on the side surface. A rubber pad 342 is fixedly arranged above the third rotating shaft 331 on the side surface of the second rotating plate 33 close to the water supply steel pipe 5. One end of the third rotating plate 34 is fixedly connected to the third rotating shaft 331, the other end is provided with a fourth rotating shaft 341 in a penetrating manner, and is rotatably connected to the fourth rotating shaft 341, the fourth rotating shaft 341 is located above the first rotating shaft 321, and two ends of the fourth rotating shaft 341 are respectively and fixedly arranged on the side walls of the two supporting seats 22.
When the water supply steel pipe 5 is conveyed to a destination, the second motor 31 is started, the output shaft of the second motor 31 drives one of the first rotating shafts 321 to rotate, then the gear 322 on the first rotating shaft 321 is driven to rotate, one of the first rotating plates 32 is driven to rotate, the other first rotating plate 32 is driven to rotate due to the fact that the two gears 322 are meshed, the distance between the two first rotating plates 32 is increased, meanwhile, the second rotating plate 33 is driven to rotate, the distance between the two second rotating plates 33 is reduced, clamping of the water supply steel pipe 5 is achieved, after the water supply steel pipe 5 is conveyed to the destination, the second motor 31 is started, the second motor 31 rotates reversely, the distance between the two second rotating plates 33 is increased, and therefore the water supply steel pipe 5 is loosened.
The implementation principle of the traction device for the water supply steel pipe in the passing sleeve is as follows: during the use, at first walk around pulley 17 to the one end of haulage rope 15 keeping away from first motor 12 and bind on connecting plate 24, place water supply steel pipe 5 again in backup pad 13, start second motor 31, second motor 31 can drive fixture 3 and press from both sides tightly water supply steel pipe 5, makes it more stable in the transportation, restarts first motor 12, and first motor 12 can drive transport mechanism 2 and remove, and then drives water supply steel pipe 5 and remove.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a water supply steel pipe draw gear in sleeve pipe crosses way which characterized in that: the device comprises a conveying mechanism (2) for conveying a water supply steel pipe (5), a traction mechanism (1) for driving the conveying mechanism (2), and a clamping mechanism (3) arranged on the conveying mechanism (2), wherein the conveying mechanism (2) comprises an installation plate (21), rollers (221) arranged on the bottom surface of the installation plate (21), and two supporting seats (22) fixedly arranged at two ends of the top surface of the installation plate (21) respectively;
the clamping mechanism (3) comprises a second motor (31), two first rotating plates (32), two second rotating plates (33), two third rotating plates (34), two first rotating shafts (321) with one ends rotatably connected to the side walls of the supporting seats (22), two fourth rotating shafts (341) with two ends fixedly arranged on the side walls of the two supporting seats (22) respectively, and two gears (322), wherein the two first rotating plates (32), the two second rotating plates (33), the two third rotating plates (34) and the two gears (322) are in one-to-one correspondence, the other end of the first rotating shaft (321) penetrates through the first rotating plates (32) and is fixedly connected with the first rotating plates (32), the gears (322) are fixedly arranged on the first rotating shafts (321), the two gears (322) are meshed with each other, the second motor (31) drives one of the first rotating shafts (321) to rotate, one end, far away from the first rotating shaft (321), of the first rotating plate (32) is hinged to one end of the second rotating plate (33), one end of the third rotating plate (34) is hinged to the side face of the second rotating plate (33), the other end of the third rotating plate (34) penetrates through the fourth rotating shaft (341) and is rotatably connected with the fourth rotating shaft (341), and the fourth rotating shaft (341) is located above the first rotating shaft (321).
2. The traction device for the water supply steel pipe in the passing sleeve according to claim 1, is characterized in that: one end, far away from the first rotating shaft (321), of the first rotating plate (32) is rotatably connected with a second rotating shaft (323), one end, close to the first rotating plate (32), of the second rotating plate (33) is fixedly connected with the second rotating shaft (323), the side face of the second rotating plate (33) is rotatably connected with a third rotating shaft (331), and one end, far away from the fourth rotating shaft (341), of the third rotating plate (34) is fixedly arranged on the third rotating shaft (331).
3. The traction device for the water supply steel pipe in the passing sleeve according to claim 2, is characterized in that: and a rubber pad (342) is arranged above the third rotating shaft (331) on the side surface of the second rotating plate (33) close to the water supply steel pipe (5).
4. The traction device for the water supply steel pipe in the passing sleeve according to claim 1, is characterized in that: traction mechanism (1) includes base (11), sets firmly two backup pads (13) that just the symmetry set up on base (11), sets firmly first motor (12) on base (11), rotates spool (14) of connecting between two backup pads (13), one end winding haulage rope (15) on spool (14), the one end that spool (14) were kept away from in haulage rope (15) sets firmly on transport mechanism (2).
5. The traction device for the water supply steel pipe in the passing sleeve according to claim 4, is characterized in that: two fixed rods (16) are symmetrically and fixedly arranged at one end close to the conveying mechanism (2) on the base (11), a pulley (17) is rotatably connected between the two fixed rods (16), and the traction rope (15) is wound around the pulley (17) for one circle and is fixedly connected with the conveying mechanism (2).
6. The traction device for the water supply steel pipe in the passing sleeve according to claim 5, is characterized in that: mounting panel (21) have set firmly connecting plate (24) in the one end that is close to drive mechanism (1), connecting hole (25) have been seted up on connecting plate (24), the one end that spool (14) were kept away from in haulage rope (15) passes connecting hole (25) and binds on connecting plate (24).
7. The traction device for the water supply steel pipe in the passing sleeve according to claim 1, is characterized in that: the top surface of the supporting seat (22) is arc-shaped and is attached to the outer side wall of the water supply steel pipe (5).
8. The traction device for the water supply steel pipe in the passing sleeve according to claim 7, is characterized in that: the top surface of the supporting seat (22) is provided with a cushion pad (23) matched with the supporting seat.
CN202023334565.3U 2020-12-31 2020-12-31 Traction device for water supply steel pipe in bypass sleeve Active CN214222186U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023334565.3U CN214222186U (en) 2020-12-31 2020-12-31 Traction device for water supply steel pipe in bypass sleeve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023334565.3U CN214222186U (en) 2020-12-31 2020-12-31 Traction device for water supply steel pipe in bypass sleeve

Publications (1)

Publication Number Publication Date
CN214222186U true CN214222186U (en) 2021-09-17

Family

ID=77708714

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023334565.3U Active CN214222186U (en) 2020-12-31 2020-12-31 Traction device for water supply steel pipe in bypass sleeve

Country Status (1)

Country Link
CN (1) CN214222186U (en)

Similar Documents

Publication Publication Date Title
CN115892171B (en) Pipeline handling device for municipal works construction
CN207242673U (en) A kind of filling pipeline conveyer belt splicing apparatus
KR20080043506A (en) Cable removal apparatus
CN214222186U (en) Traction device for water supply steel pipe in bypass sleeve
CN207618022U (en) A kind of coating device of foldable filter element
KR100572908B1 (en) A covering apparatus for conveyor of reclaimer
CN220521325U (en) Concrete pile construction auxiliary device
CN205114685U (en) Many function combination formula steel wire take -up
CN216002341U (en) Handling device is used in hydraulic engineering pile foundation construction
CN112590905A (en) Material transportation device for municipal construction
CN105253701A (en) Multi-functional combined steel wire take-up device
CN205572675U (en) Multi -functional make -up machine of concreted structure
CN206359062U (en) A kind of adhesive tape dismounting vehicle
CN217516301U (en) Non-woven fabrics rolling axle unwinding device
CN219790254U (en) Auxiliary device for reconstruction of existing industrial building
CN217260842U (en) Horizontal encircling type binding machine
CN218196065U (en) Shielding type enclosure structure of discharge port below concrete mixing plant
CN219298810U (en) Self-driven precast beam roof pre-buried shear steel bar positioning and binding trolley
CN218503014U (en) Sleeve device on aluminum strip foil cold rolling mill
CN218880751U (en) River course bank protection brick laying device for hydraulic engineering
CN111852046B (en) Large-span building steel structure and application method thereof
CN219687353U (en) Rotatable house beam column carrying device
CN214138750U (en) Walking mechanism for deck machinery of ship and ocean engineering
CN209758917U (en) Steel wire rope guide frame of core drilling machine
CN216231931U (en) Safety tarpaulin cover device for wagon box of transport wagon

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant