CN112977579A - Can avoid extrusion broken circular PVC plastic tubing spare handling device of anticorrosive type - Google Patents
Can avoid extrusion broken circular PVC plastic tubing spare handling device of anticorrosive type Download PDFInfo
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- CN112977579A CN112977579A CN202110088292.9A CN202110088292A CN112977579A CN 112977579 A CN112977579 A CN 112977579A CN 202110088292 A CN202110088292 A CN 202110088292A CN 112977579 A CN112977579 A CN 112977579A
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- wall
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/04—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
- B29C31/002—Handling tubes, e.g. transferring between shaping stations, loading on mandrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2202/00—Indexing codes relating to type or characteristics of transported articles
- B62B2202/02—Cylindrically-shaped articles, e.g. drums, barrels, flasks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
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Abstract
The invention discloses an anti-corrosion circular PVC plastic pipe conveying device capable of avoiding extrusion crushing in the technical field of pipe conveying equipment, which comprises a vehicle body, the outer walls of the left side and the right side of the top of the vehicle body are both fixedly provided with a baffle, the outer wall of the top of the vehicle body is uniformly provided with four groups of supporting devices, the four groups of supporting devices are positioned between the two groups of baffles, the bottom end of the supporting device is fixedly connected with the outer wall of the top of the vehicle body, the device is pressed into the inner cavity of the moving groove by the moving block to move, the air in the moving groove is extruded into the inner cavity of the moving hole, the moving rod drives the moving plate to move outwards, the moving plate is reset through the connecting spring, the moving plate moves outwards and is not contacted with the outer wall of the pipe fitting, thereby avoiding the indentation of the outer wall of the pipe fitting caused by the contact of the pipe fitting and the edges of the left side and the right side of the supporting device, and also avoid the pipe fitting to lead to the anticorrosive coating of pipe fitting outer wall to take place the breakage easily because of jolting and reciprocating.
Description
Technical Field
The invention relates to the technical field of pipe fitting carrying equipment, in particular to an anticorrosive circular PVC plastic pipe fitting carrying device capable of avoiding extrusion crushing.
Background
After the pipe fitting is processed, the pipe fitting needs to be conveyed to a predetermined area by using a conveying device, when the conveying device is used for conveying the anticorrosion circular PVC plastic pipe fitting, the pipe fitting is generally placed on a vehicle body of the conveying device, in order to ensure that the pipe fitting cannot roll and fall, a baffle plate is generally installed on the vehicle body and is contacted with the front side and the rear side of the pipe fitting, the pipe fitting is fixed and limited, however, multiple groups of pipe fittings are generally stacked on the vehicle body together, the pipe fitting is circular, the pipe fitting is easy to move, the pipe fitting and the baffle plate are too tightly attached, a certain pressure exists between the pipe fitting and the baffle plate, and the pipe fitting and the baffle plate are pressed downwards due to the movement or jolt of the vehicle body in the moving process of the vehicle body, so that the pipe fitting and the baffle plate can be mutually extruded, the outer wall of the pipe fitting is easy to form an indentation, an anticorrosion coating, the service life of the later stage of the pipe fitting is influenced, and therefore the anti-corrosion circular PVC plastic pipe fitting carrying device capable of avoiding crushing due to extrusion is provided.
Disclosure of Invention
The invention aims to provide an anticorrosive circular PVC plastic pipe fitting conveying device capable of avoiding extrusion and crushing, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a can avoid extrudeing broken circular PVC plastic tubing spare handling device of anticorrosive type, includes the automobile body, the equal fixed mounting of automobile body top left and right sides outer wall has the baffle, automobile body top outer wall evenly is provided with four strutting arrangement of group, four groups strutting arrangement is located between two sets of baffles, strutting arrangement bottom and automobile body top outer wall fixed connection.
Preferably, the supporting device comprises a supporting plate fixedly connected with the outer wall of the top of the vehicle body, the movable groove is formed in the outer wall of one side, close to each other, of the supporting plate, the movable block is slidably mounted in the inner cavity of the movable groove, a supporting spring is arranged between the movable block and the movable groove, the inner walls of the left side and the right side of the movable groove are provided with movable holes, movable rods are inserted into the inner cavities of the movable holes in a sliding mode, the movable plates are fixedly mounted at one ends, far away from each other, of the movable plates, the sliding grooves are formed in the outer wall of one side, close to each other, of the movable plates, sliding blocks are fixedly mounted at one ends, far away from each other, of the sliding blocks are.
Preferably, the outer wall of one side that two sets of movable plates are close to each other is all fixedly mounted with the guide block, the interval between the outer wall of both sides increases gradually from inside to outside around the guide block, the guide way has all been seted up to the backup pad left and right sides outer wall, the guide block slides and inserts in the inner chamber of guide way.
Preferably, the inner cavity of the moving groove is provided with a mounting plate, one end of the support spring, which is far away from the moving block, is fixedly connected with the outer wall of the mounting plate, the outer wall of one side, which is far away from the support plate, of the front side and the rear side are respectively screwed with a screw rod, and one end, which is close to the support plate, of the screw rod extends into the inner cavity of the moving groove and is rotatably connected with the outer.
Preferably, both sides around one side outer wall that the backup pad is close to each other all is provided with the support gasbag, support gasbag inner chamber is seted up flutedly, the gas receiver has all been seted up to the backup pad inner chamber left and right sides, the gas receiver passes through hose and recess intercommunication, gas receiver inner chamber slidable mounting has the piston board, one side outer wall fixed mounting that the support gasbag was kept away from to the piston board has the threaded bush, threaded bush inner chamber rear side spiro union has the threaded rod, and the threaded rod keep away from the one end of piston board extend to in the inner chamber in removal hole and with gear fixed connection, carriage release lever top outer wall fixed mounting has the rack, and rack and gear engagement.
Preferably, the front and back both sides the equal fixed mounting of one side outer wall that the support gasbag kept away from each other has a sliding block, the backup pad is close to one side outer wall that supports the gasbag and has seted up the sliding tray, and the sliding block slides and inserts in the inner chamber of sliding tray.
Preferably, the sliding groove inner cavity is fixedly provided with a mounting seat, the mounting seat inner cavity is slidably inserted with a push block, one side outer wall of the push block, away from the mounting seat, is attached to the outer wall of the supporting airbag, the outer wall of the bottom of the sliding block is fixedly provided with a push rod, the bottom end of the push rod penetrates through the mounting seat, two groups of extrusion blocks are fixedly arranged on the outer walls of the front side and the rear side of the push rod, and the extrusion blocks on the upper side and the lower side are respectively located on the upper side.
Preferably, the inner wall of one side that the front and back both sides the recess is close to each other all fixed mounting have a clamp plate, the interval between the outer wall of the clamp plate left and right sides reduces gradually from inside to outside, the front and back both sides the equal fixed mounting of the inner wall of one side that the recess is relative has an installing frame, the clamp plate slides and pegs graft in the inner chamber of installing frame, the guiding hole has all been seted up to the inner wall of the recess left and right sides, and the guiding hole inner chamber slides and pegs graft and have the pull rod, reset spring has been cup jointed to the pull rod outer wall, and reset spring both ends respectively with recess inner wall, pull rod outer wall fixed connection, two sets of the one end that the pull rod is close to each other is laminated with two sets of clamp.
Compared with the prior art, the invention has the beneficial effects that:
1. the device is pressed into the inner cavity of the moving groove by the moving block to move, air in the moving groove is extruded into the inner cavity of the moving hole, the moving rod drives the moving plate to move outwards, the moving plate is reset by the connecting spring and does not contact with the outer wall of the pipe fitting, so that the phenomenon that the outer wall of the pipe fitting generates indentation due to the fact that the pipe fitting contacts with the edges of the left side and the right side of the supporting device is avoided, and the phenomenon that an anticorrosive coating of the outer wall of the pipe fitting is easily broken due to the fact that the pipe fitting moves;
2. when the moving rod drives the moving plate to move outwards, the threaded sleeve pushes the piston plate to move, air in the air storage tank is extruded into the groove in the supporting air bag, the supporting air bag protrudes to the middle area and is contacted with the outer wall of the pipe, so that the left side edge and the right side edge of the supporting plate are not contacted with the outer wall of the pipe, indentation on the outer wall of the pipe is further avoided, the probability of breakage of an anticorrosive coating on the outer wall of the pipe is reduced, and the service performance of the supporting device is increased;
3. the sliding block moves in the inner cavity of the sliding groove, so that the supporting air bag can slide on the supporting plate, when the pipe moves up and down due to movement or bumping of the vehicle body, the supporting air bag can also move along with the pipe, the probability of relative movement between the supporting device and the pipe contact area is reduced, the anti-corrosion coating on the outer wall of the pipe is prevented from being broken due to friction, and the protection effect of the supporting device on the pipe is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the supporting device of the present invention;
FIG. 3 is a schematic sectional view of the connection between the groove and the pull rod according to the present invention;
FIG. 4 is a left side view of the slider and the sliding groove of the present invention.
In the figure: 1. a vehicle body; 2. a baffle plate; 3. a support device; 31. a support plate; 32. a moving block; 33. a moving groove; 34. a support spring; 35. moving the plate; 36. a guide block; 37. a guide groove; 38. a slider; 39. a chute; 310. an air storage tank; 311. a support airbag; 3111. grooving; 3112. a pull rod; 3113. a return spring; 3114. installing a frame; 3115. pressing a plate; 312. a travel bar; 313. a threaded bushing; 314. a piston plate; 315. a slider; 3151. a push rod; 3152. a sliding groove; 3153. a push block; 3154. extruding the block; 3155. a mounting seat; 316. and (4) a groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: an anti-corrosion circular PVC plastic pipe conveying device capable of avoiding crushing, please refer to FIG. 1, which comprises a vehicle body 1;
referring to fig. 1, baffles 2 are fixedly mounted on the outer walls of the left side and the right side of the top of a vehicle body 1, four groups of supporting devices 3 are uniformly arranged on the outer wall of the top of the vehicle body 1, the four groups of supporting devices 3 are positioned between the two groups of baffles 2, the bottom ends of the supporting devices 3 are fixedly connected with the outer wall of the top of the vehicle body 1, and a pipe fitting is placed above the vehicle body 1, is positioned between the two groups of baffles 2 and between the four groups of supporting devices 3, and is used for fixing the transported pipe;
referring to fig. 1 and 2, the supporting device 3 includes a supporting plate 31 fixedly connected to the outer wall of the top of the vehicle body 1, moving grooves 33 are formed in the outer walls of the front and rear sides of the supporting plate 31 adjacent to each other, moving blocks 32 are slidably mounted in the inner cavities of the moving grooves 33, supporting springs 34 are disposed between the moving blocks 32 and the moving grooves 33, moving holes are formed in the inner walls of the left and right sides of the moving grooves 33, moving rods 312 are slidably inserted into the inner cavities of the moving holes, moving plates 35 are fixedly mounted at the ends of the two moving rods 312 far away from each other, sliding grooves 39 are formed in the outer walls of the two moving plates 35 adjacent to each other, sliding blocks 38 are fixedly mounted at the ends of the two moving rods 312 far away from each other, the sliding blocks 38 are slidably inserted into the inner cavities of the sliding grooves 39, and connecting springs are fixedly mounted between the sliding blocks, the moving block 32 moves towards the inner cavity of the moving groove 33, air in the moving groove 33 is extruded into the inner cavity of the moving hole, the moving rod 312 drives the moving plate 35 to move outwards, the moving plate 35 moves outwards and is not contacted with the outer wall of the pipe fitting through the reset of the connecting spring, so that the outer wall of the pipe fitting is prevented from generating indentation due to the fact that the pipe fitting is contacted with the edges of the left side and the right side of the supporting device 3, the anti-corrosion coating on the outer wall of the pipe fitting is prevented from being broken easily due to the fact that the pipe fitting moves up and down in a bumping mode;
referring to fig. 2, the outer walls of the two groups of moving plates 35 close to each other are fixedly provided with guide blocks 36, the distance between the outer walls of the front and rear sides of each guide block 36 gradually increases from inside to outside, the outer walls of the left and right sides of the support plate 31 are provided with guide grooves 37, and the guide blocks 36 are slidably inserted into the inner cavities of the guide grooves 37, so that the moving plates 35 cannot automatically move, and the moving plates 35 can also reset;
referring to fig. 1 and 2, an installation plate is arranged in an inner cavity of the moving groove 33, one end of the support spring 34, which is far away from the moving block 32, is fixedly connected with an outer wall of the installation plate, screws are screwed on outer walls of the sides, which are far away from each other, of the support plates 31 on the front side and the rear side, one end of each screw, which is close to the support plate 31, extends into the inner cavity of the moving groove 33 and is rotatably connected with the outer wall of the installation plate, and the screws are rotated to enable the installation plate to move towards the moving block 32, so that the compression degree of the support spring 34 is increased, the support spring 34 can provide a large support force for the moving block 32, and the pressure required when the moving block 32 enters the inner cavity;
referring to fig. 2, the outer wall of the side of the front and rear support plates 31 close to each other is provided with a support airbag 311, the inner cavity of the support airbag 311 is provided with a groove 316, the left and right sides of the inner cavity of the support plate 31 are provided with air storage grooves 310, the air storage grooves 310 are communicated with the groove 316 through hoses, the inner cavity of the air storage grooves 310 is slidably provided with a piston plate 314, the outer wall of the side of the piston plate 314 away from the support airbag 311 is fixedly provided with a threaded sleeve 313, the rear side of the inner cavity of the threaded sleeve 313 is screwed with a threaded rod, one end of the threaded rod away from the piston plate 314 extends into the inner cavity of the moving hole and is fixedly connected with a gear, the outer wall of the top of the moving rod 312 is fixedly provided with a rack, the rack is engaged with the gear, when the moving rod 312 drives the moving plate 35 to move outwards, the rack drives the gear, the supporting air bag 311 protrudes towards the middle area and contacts with the outer wall of the pipe, so that the left side edge and the right side edge of the supporting plate 31 cannot contact with the outer wall of the pipe, the phenomenon that the outer wall of the pipe is indented is further avoided, the probability of breakage of an anti-corrosion coating on the outer wall of the pipe is reduced, and the service performance of the supporting device 3 is improved;
referring to fig. 2 and 4, sliding blocks 315 are fixedly installed on the outer walls of the two sides of the front and rear supporting airbags 311, the outer wall of the supporting plate 31 close to the supporting airbag 311 is provided with a sliding groove 3152, and the sliding blocks 315 are slidably inserted into the inner cavity of the sliding groove 3152, so that the supporting airbags 311 can slide on the supporting plate 31 by moving the sliding blocks 315 in the inner cavity of the sliding groove 3152, and when the pipe moves up and down due to the bumping of the vehicle body 1, the supporting airbags 311 can also move along with the pipe, so that the probability of relative movement between the supporting device 3 and the pipe contact area is reduced, the anticorrosive coating on the outer wall of the pipe is prevented from being broken due to friction, and the protection effect of the supporting device 3 on the pipe is;
referring to fig. 4, an installation seat 3155 is fixedly installed in an inner cavity of the sliding groove 3152, a push block 3153 is inserted into the inner cavity of the installation seat 3155 in a sliding manner, an outer wall of one side of the push block 3153, which is far away from the installation seat 3155, is attached to an outer wall of the supporting airbag 311, a push rod 3151 is fixedly installed on an outer wall of the bottom of the sliding block 315, the bottom end of the push rod 3151 penetrates through the installation seat 3155, two groups of squeezing blocks 3154 are fixedly installed on outer walls of front and rear sides of the push rod 3151, and the squeezing blocks 3154 on the upper and lower sides of the installation seat 3155 are respectively located on the upper and lower sides of the supporting airbag 311, when the supporting airbag 311 moves, the sliding block 315 slides in the inner cavity of the sliding groove 3152, so that the push rod 3151 moves downward or upward, so that the squeezing blocks 3154 push the push block 31;
referring to fig. 2 and 3, a pressing plate 3115 is fixedly mounted on an inner wall of a side of the front and rear grooves 316 close to each other, a distance between outer walls of left and right sides of the pressing plate 3115 is gradually decreased from inside to outside, a mounting frame 3114 is fixedly mounted on an inner wall of a side of the front and rear grooves 316 opposite to each other, the pressing plate 3115 is slidably inserted into an inner cavity of the mounting frame 3114, guide holes are formed on inner walls of left and right sides of the grooves 316, pull rods 3112 are slidably inserted into the inner cavities of the guide holes 3112, return springs 3113 are sleeved on outer walls of the pull rods 3112, two ends of the return springs 3113 are fixedly connected with the inner walls of the grooves 316 and the outer walls of the pull rods 3112, one ends of the two sets of the pull rods 3112 close to each other are respectively attached to the two sets of pressing plates 3115, grooves 3111 are formed on outer walls of left and right sides of the supporting air bags 311, cross, the pull rod 3112 is moved inwards under the action of the return spring 3113, so that the left side edge and the right side edge of the supporting air bag 311 are extruded towards the notch 3111, the area in contact with the outer wall of the pipe is arc-shaped, the pipe is further protected, and the service performance of the supporting device 3 is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a can avoid the broken circular PVC plastic tubing spare handling device of anticorrosive type of extrusion, includes automobile body (1), its characterized in that: the automobile body (1) top left and right sides outer wall is fixed mounting has baffle (2) all, automobile body (1) top outer wall evenly is provided with four strutting arrangement (3), four groups strutting arrangement (3) are located between two sets of baffles (2), strutting arrangement (3) bottom and automobile body (1) top outer wall fixed connection.
2. The round PVC plastic pipe conveying device capable of avoiding crushing due to extrusion as claimed in claim 1, wherein: the supporting device (3) comprises a supporting plate (31) fixedly connected with the outer wall of the top of the vehicle body (1), moving grooves (33) are formed in the outer wall of one side, close to each other, of the supporting plate (31) on the front side and the rear side, moving blocks (32) are installed in the inner cavities of the moving grooves (33) in a sliding mode, supporting springs (34) are arranged between the moving blocks (32) and the moving grooves (33), moving holes are formed in the inner walls of the left side and the right side of each moving groove (33), moving rods (312) are inserted into the inner cavities of the moving holes in a sliding mode, moving plates (35) are fixedly installed at the ends, far away from each other, of the two sets of moving rods (312), sliding grooves (39) are formed in the outer wall of one side, close to each moving plate (35), sliding blocks (38) are fixedly installed at the ends, far, and a connecting spring is fixedly arranged between the sliding block (38) and the sliding groove (39).
3. The round PVC plastic pipe conveying device capable of avoiding crushing due to extrusion as claimed in claim 2, wherein: two sets of the equal fixed mounting in one side outer wall that moving plate (35) are close to each other has guide block (36), the interval between the outer wall of both sides increases gradually from inside to outside around guide block (36), guide way (37) have all been seted up to backup pad (31) left and right sides outer wall, guide block (36) slide and insert in the inner chamber of guide way (37).
4. The round PVC plastic pipe conveying device capable of avoiding crushing due to extrusion as claimed in claim 2, wherein: the inner cavity of the moving groove (33) is provided with a mounting plate, one end, far away from the moving block (32), of the supporting spring (34) is fixedly connected with the outer wall of the mounting plate, the outer wall of one side, far away from the supporting plate (31), of the front side and the rear side is respectively in threaded connection with a screw rod, and one end, close to the supporting plate (31), of the screw rod extends into the inner cavity of the moving groove (33) and is rotatably connected with the outer wall of the mounting plate.
5. The round PVC plastic pipe conveying device capable of avoiding crushing due to extrusion as claimed in claim 2, wherein: front and back both sides one side outer wall that backup pad (31) are close to each other all is provided with support gasbag (311), support gasbag (311) inner chamber is seted up fluted (316), gas storage tank (310) have all been seted up to backup pad (31) inner chamber left and right sides, gas storage tank (310) are through hose and recess (316) intercommunication, gas storage tank (310) inner chamber slidable mounting has piston plate (314), one side outer wall fixed mounting who supports gasbag (311) is kept away from in piston plate (314) has threaded sleeve pipe (313), threaded sleeve pipe (313) inner chamber rear side spiro union has the threaded rod, and the one end that piston plate (314) were kept away from to the threaded rod extend to in the inner chamber in removal hole and with gear fixed connection, carriage release lever (312) top outer wall fixed mounting has the rack, and rack and gear engagement.
6. The round PVC plastic pipe conveying device capable of avoiding crushing due to extrusion as claimed in claim 5, wherein: sliding blocks (315) are fixedly mounted on the outer wall of one side, away from each other, of the supporting air bag (311) on the front side and the rear side, a sliding groove (3152) is formed in the outer wall of one side, close to the supporting air bag (311), of the supporting plate (31), and the sliding blocks (315) are inserted into the inner cavity of the sliding groove (3152) in a sliding mode.
7. The round PVC plastic pipe conveying device capable of avoiding crushing due to extrusion as claimed in claim 6, wherein: the inner cavity of the sliding groove (3152) is fixedly provided with a mounting seat (3155), the inner cavity of the mounting seat (3155) is inserted with a push block (3153) in a sliding manner, the outer wall of one side, far away from the mounting seat (3155), of the push block (3153) is attached to the outer wall of the supporting air bag (311), the outer wall of the bottom of the sliding block (315) is fixedly provided with a push rod (3151), the bottom end of the push rod (3151) penetrates through the mounting seat (3155), the outer walls of the front side and the rear side of the push rod (3151) are fixedly provided with two groups of extrusion blocks (3154), and the extrusion blocks (3154) on the upper side and the lower side.
8. The round PVC plastic pipe conveying device capable of avoiding crushing due to extrusion as claimed in claim 5, wherein: pressing plates (3115) are fixedly mounted on the inner wall of one side, close to each other, of each groove (316) on the front side and the rear side, the distance between the outer walls of the left side and the right side of each pressing plate (3115) is gradually reduced from inside to outside, a mounting frame (3114) is fixedly mounted on the inner wall of one side, opposite to each groove (316), of each front side and the rear side, the pressing plates (3115) are inserted into the inner cavity of the mounting frame (3114) in a sliding mode, guide holes are formed in the inner walls of the left side and the right side of each groove (316), pull rods (3112) are inserted into the inner cavities of the guide holes in a sliding mode, reset springs (3113) are sleeved on the outer walls of the pull rods (3112), two ends of each reset spring (3113) are fixedly connected with the inner wall of each groove (316) and the outer wall of each pull rod (3112), one ends, close to each other, of the two, and the cross section of the slot (3111) is triangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110088292.9A CN112977579B (en) | 2021-01-22 | 2021-01-22 | Can avoid extrusion broken circular PVC plastic tubing spare handling device of anticorrosive type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110088292.9A CN112977579B (en) | 2021-01-22 | 2021-01-22 | Can avoid extrusion broken circular PVC plastic tubing spare handling device of anticorrosive type |
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|---|---|
| CN112977579A true CN112977579A (en) | 2021-06-18 |
| CN112977579B CN112977579B (en) | 2022-12-13 |
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| CN202110088292.9A Active CN112977579B (en) | 2021-01-22 | 2021-01-22 | Can avoid extrusion broken circular PVC plastic tubing spare handling device of anticorrosive type |
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| CN111907574A (en) * | 2020-08-22 | 2020-11-10 | 山东鼎鲁建筑有限公司 | Tubular product transport mobile device for construction |
| CN112227152A (en) * | 2020-10-09 | 2021-01-15 | 江友花 | Grader with protection mechanism for mine field pavement construction and using method |
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