CN209740647U - novel warping kit for cable cover based on variable torque - Google Patents
novel warping kit for cable cover based on variable torque Download PDFInfo
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- CN209740647U CN209740647U CN201920568182.0U CN201920568182U CN209740647U CN 209740647 U CN209740647 U CN 209740647U CN 201920568182 U CN201920568182 U CN 201920568182U CN 209740647 U CN209740647 U CN 209740647U
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Abstract
The utility model discloses a novel external member that sticks up of cable cover based on variable moment, including cable cover, outer tube and the base that is located cable cover one side the grudging post is installed to the top of base, the top of grudging post is provided with the grudging post head overhead support piece that is equipped with of grudging post, the lateral wall of outer tube is equipped with a plurality of and is used for the card to locate the recess on the support piece, and this equipment directly when using through the outer tube alright make the cable cover take out, and it has solved the problem that the cable cover that sticks up in the manual operation injures the hand easily, and realizes the purpose through acting as go-between and triangular hook when taking out, and it has stopped to pry open the problem that cable well lid influences its life with blunt ware, and has still stopped to produce the rubble with blunt ware sled cable cover, produces the problem that splashes the rubble, produces the potential safety hazard to the personnel, and this equipment simple structure has effectively avo, The bottom wheel is easy to break, and the like, and the prior market has no device of the type, so that the market competitiveness is higher.
Description
Technical Field
The embodiment of the utility model provides a relate to cable construction technical field, concretely relates to novel piece of sticking up of cable cover based on variable moment.
Background
During cable construction, the cable cover is usually used for hiding the cable well, so that the cable cannot be easily damaged.
At present, during cable run patrols and maintenance construction, it is manual operation to rise to stick up the cable cover many, bare-handed operation opens the in-process and pounces easily and injures the hand, there is huge potential safety hazard, and except with the hand, also can use some blunt wares sometimes, and in case when utilizing blunt ware such as iron rod to prize open cable well lid, can influence cable cover life greatly, and the in-process that utilizes blunt ware to rise to stick up the cable cover, the rubble that splashes can bring very big potential safety hazard, so people can use the device of sticking up to stick up the well lid sometimes.
The device is upwarped to multiple grudging post formula that current patent proposes, though can solve the security problem, but its inconvenient carrying is put and is collided with easily at the vehicle trunk, is rolled over and is damaged, influences the use. And the commonly used vertical stand type upwarping device is usually provided with a bottom wheel, so that the pushing movement is convenient, but the bottom wheel and the framework bear huge pressure in the process of hoisting the cable cover, so the cable cover is often easily damaged at a connecting port, and meanwhile, the risk of personal injury, including falling frame injury or cable cover crush injury, also exists in the hoisting process.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a novel warping external member of cable cover based on variable moment, the equipment can be taken out through the outer tube directly when in use, it solves the problem that the warping cable cover easily damages the hand during manual operation, and the purpose is realized through the pull wire and the triangular hook when taking out, it eliminates the problem that the service life is affected by prying the cable cover with a blunt instrument, and also eliminates the problem that the cable cover generates splash broken stones when prying the cable cover with a blunt instrument, which generates potential safety hazards to personnel, and simultaneously the equipment has simple structure and effectively avoids the problems that the existing vertical frame type cable cover device is easy to be broken and the bottom wheel is easy to be damaged, and the existing market has no such device temporarily, the market competitiveness is high to solve the problems that the existing technology has no special cable cover opening tool, several people need to remove the cable cover, and serious potential safety hazards exist when the well cover is opened, there is the risk of injuring by a crashing object at any time, also extravagant manpower simultaneously, material resources, and when prying open the cable well lid with the iron rod, greatly reduced the life of cable cover, the rubble that the sled flies simultaneously also probably hurts the people, the grudging post formula that is commonly used simultaneously rises to stick up the ware and is furnished with the return pulley usually, conveniently pushing away the removal, but just so, at the in-process of hoisting cable cover, bear huge pressure between return pulley and the framework, consequently often the easy problem of damaging in connector department.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
A novel tilting kit for a cable cover based on variable torque comprises the cable cover, an outer pipe and a base located on one side of the cable cover, wherein a stand bar is installed above the base, a stand head is arranged above the stand bar, and a supporting piece is arranged at the joint of the stand head and the stand bar; the side wall of the outer pipe is provided with a plurality of grooves, the grooves are matched with the supporting pieces, and when the outer pipe is placed on the stand bar, the supporting pieces are clamped in one of the grooves;
The cable cover is characterized in that one end, close to the cable cover, of the outer pipe is connected with a rope which penetrates through the outer pipe and is connected with the outer pipe, one end, far away from the outer pipe, of the rope is connected with a hook, the cable cover is located below the hook, and the cable cover hook is connected through a pull wire;
The cable cover is characterized in that one end, far away from the cable cover, of the outer tube is connected with an operating rod through a connector, and one end, far away from the outer tube, of the operating rod is connected with an inner tube in a sliding mode.
As an optimized scheme of the utility model, the both ends of acting as go-between all are connected with the triangular hook, the lid hole that a plurality of held the triangular hook is seted up on the surface of cable cover.
As a preferred scheme of the utility model, the vertical frame head is flat-mouth inverted gourd-shaped.
As an optimized proposal of the utility model, the groove is in a semi-arc shape.
as an optimized scheme of the utility model, the diameter of pole of standing is from last to being the linearity from top to bottom and increasing progressively.
As a preferred embodiment of the present invention, the diameter of the inner tube is smaller than the diameter of the outer tube.
As a preferred scheme of the utility model, the lateral wall of clothes hanger pole is provided with bears the frame, the last surface mounting who bears the frame has the vice regulating block of main regulating block and hold up the outer tube, just the lateral wall that bears the frame has the turning block through the rotation axis connection.
As a preferred scheme of the utility model, the main regulation piece symmetry is provided with two, two the groove is led to in the slip has all been seted up on the main regulation piece, the inslot that slides is equipped with the slider that pushes down with main regulation piece sliding connection that leads to, push down and be connected through pushing down the dwang between slider and the turning block, two be equipped with between the main regulation piece with push down slider lug connection's tray.
As a preferred proposal of the utility model, the two auxiliary adjusting blocks are symmetrically arranged, the two auxiliary adjusting blocks are both provided with a sliding clamping groove, a supporting sliding table which is connected with the auxiliary adjusting block in a sliding way is arranged in the sliding clamping groove, the supporting sliding table is connected with the rotating block through a rising rotating rod, a clamping table stop block which is connected with the auxiliary adjusting block in a sliding way is arranged on one side of the supporting sliding table, the clamping table stop block is connected with the rotating block through a pushing rotating rod, a plurality of limiting slide blocks are arranged on one side of the clamping table stop block away from the supporting sliding table, the upper surfaces of the limiting slide blocks are connected with limiting clamping tables in a sliding manner, a pushing spring is fixedly installed between the limiting clamping table and the auxiliary adjusting blocks, a limiting clamping groove for limiting the limiting clamping table is formed in the side wall of the supporting sliding table, and a supporting block directly connected with the supporting sliding table is arranged between the auxiliary adjusting blocks.
as a preferred scheme of the utility model, bear the frame including changeing the piece mount and with changeing piece mount lug connection's screens mount bear the turning to position department of frame and be equipped with the lag.
The utility model discloses an embodiment has following advantage:
(1) The cable cover can be taken out directly through the outer pipe when the device is used, the problem that hands are easily injured by lifting the cable cover in manual operation is solved, the purpose is achieved through the pull wire and the triangular hook when the cable cover is taken out, the problem that the service life of the cable cover is influenced by prying the cable cover by using a blunt instrument is solved, the problem that splash broken stones are generated by prying the cable cover by using the blunt instrument and potential safety hazards are generated to personnel is also solved, meanwhile, the device is simple in structure, the problems that an existing common vertical frame type cable cover device is easy to break and damage, a bottom wheel is easy to break and the like are effectively solved, and the existing market is temporarily free of the device, so that the device has a wide application prospect and is high in market competitiveness;
(2) This equipment still is provided with and pushes down the slider and hold up the slip table, when the user pushes down the outer tube, can promote the tray area and push down the slider gliding, later can make the rotating block area hold up the slip table and rise, the tray on the slip table of holding up also can take the slight perk of outer tube this moment, thereby it is littleer to make the user power, the operation is safer, it can be blocked by spacing ka tai to hold up the slip table after rising simultaneously, later, the user just has sufficient time to take off the cable cover, thereby can not be in the perk state always and lead to the fact the influence to equipment.
drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the hook structure of the present invention;
FIG. 3 is a schematic view of the structure of the vertical frame of the present invention;
FIG. 4 is a schematic view of the hook structure of the present invention;
FIG. 5 is a front cross-sectional view of the carrier of the present invention when installed;
FIG. 6 is a top cross-sectional view of the carrier of the present invention;
Fig. 7 is a side view partially cut-away view of the carrier of the present invention.
in the figure:
1- -cable cover; 2-cover hole; 3-a stay wire; 4-hooking; 5-a vertical frame head; 6-a support member; 7-a stand bar; 8-a base; 9-a groove; 10-an outer tube; 11-a linker; 12-an inner tube; 13-a rope; 14-a triangular hook; 15-operating lever;
701-a carrier; 702-a turning block; 703-a main adjustment block; 704-an auxiliary adjusting block; 705-sliding through groove; 706-pressing down the slider; 707-pressing down the rotating rod; 708-a slide card slot; 709-a limit slot; 710-a cassette stop; 711-supporting the sliding table; 712-a limit slider; 713-raising the swivelling levers; 714-pushing the rotating rod; 715-pushing spring; 716-a limit clamping table; 717-a pallet; 718-a clamping fixing frame; 719-rotating block fixing frame; 720-protective cover.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-7, the utility model provides a novel external member that sticks up of cable cover based on variable moment, including cable cover 1, outer tube 10 and be located the base 8 of 1 one side of cable cover stand pole 7 is installed to the top of base 8, and this stand pole 7 is used for supporting stand head 5, and each part in this equipment is swing joint to it is very convenient to make its dismouting, because of stand pole 7's diameter is from last to being linear to increasing progressively down, and its end can not be by the briquetting easily when making the pressurized, and base 8's area is great, so can the at utmost guarantee the stability of device, make equipment can not overturn easily, and base 8 is great still can make the regional bigger of the power of unloading of equipment, and the probability of its damage is littleer.
the top of grudging post 7 is provided with grudging post head 5, and this grudging post head 5 is used for restricting the position of outer tube 10, and because of grudging post head 5 is flat mouthful of the calabash form of falling, so the first 5 areas of grudging post of flat mouthful of the calabash form are great, and it is difficult for rocking in operation process, and the assurance power only removes at upper and lower two directions, can guarantee device stability be equipped with support piece 6 on the grudging post head 5, and this support piece 6 can be cylindrical, simultaneously because of recess 9 is the semi-arc, so support piece 6 can and recess 9 phase-match, when carrying out the perk operation toward outer tube 10, the phenomenon of thread slipping can not appear, the lateral wall of outer tube 10 is equipped with a plurality of recess 9 that are located between.
The outer tube 10 is connected with the rope 13 that runs through the outer tube 10 near the one end of cable cover 1, this rope 13 and couple 4 lug connection, and its connected mode is unset can be the ligature, also can be the lock joint etc. because of having set up rope 13 between couple 4 and the outer tube 10 simultaneously, so the mobile nature of couple 4 is great can be along with cable cover free activity, be connected with couple 4 on the rope 13, cable cover 1 is located the below of couple 4, just cable cover 1 is connected through 3 acting as go-between with couple 4.
When the device is used, a user can arrange the base 8, the stand rod 7 and the stand head 5 according to the sequence, after the base 8 is arranged well, the operating rod 15 is arranged on the stand head 5, even if the groove 9 is arranged at a proper place, the moment is adjusted to obtain the minimum force application position, then the hook 4 is hung on the operating rod 15, the two ends of the pull wire 3 are connected with the triangular hooks 14, the surface of the cable cover 1 is provided with a plurality of cover holes 2 for accommodating the triangular hooks 14, the rope 13 is hung, the triangular hooks 14 at the two ends of the pull wire 13 can be plugged into the cover holes 2, and meanwhile, the positions of the triangular hooks 14 are adjusted, so that the cable cover 1 is firmly hooked, and the tilting operation can be carried out.
The other end of outer tube 10 is connected with action bars 15 through connecting 11, action bars 15 have inner tube 12 in the one end sliding connection who keeps away from outer tube 10, and this action bars 15 is equipped with the spring card pearl with the flexible node department of inner tube 12, can guarantee the steadiness of inner tube 12 in action bars 15 when flexible.
When tilting operation is performed, the inner tube 12 can be properly pulled out, because the diameter of the inner tube 12 is smaller than that of the outer tube 10, the inner tube 12 can freely stretch out and draw back on the operating rod 15, and when the pulling-out distance of the inner tube 12 is proper, a user can adjust the torque by combining the groove 9, so that the application force reaches the minimum.
The side wall of the stand bar 7 is provided with a bearing frame 701, the bearing frame 701 is movably mounted on the side wall of the stand bar 7, so that the whole device does not occupy too large space, the upper surface of the bearing frame 701 is provided with a main adjusting block 703 and an auxiliary adjusting block 704 for supporting the outer tube 10, the side wall of the bearing frame 701 is connected with a rotating block 702 through a rotating shaft, when a user operates the device, the outer tube 10 can drive a part on the main adjusting block 703 to move downwards, so that the rotating block 702 can push the part on the auxiliary adjusting block 704 to move upwards, and the operation of tilting the cable cover 1 is more labor-saving.
the two main adjusting blocks 703 are symmetrically arranged, the two main adjusting blocks 703 are both positioned on the upper surface of the bearing frame 701 and close to one end of the operating rod 15, the two auxiliary adjusting blocks 704 are both positioned at the other end of the bearing frame 701, the two main adjusting blocks 703 and the two auxiliary adjusting blocks 704 are both symmetrical about the central axis of the bearing frame 701, the two main adjusting blocks 703 are both provided with a sliding through groove 705, a pressing-down slider 706 which is in sliding connection with the main adjusting blocks 703 is arranged in the sliding through groove 705, the pressing-down slider 706 is connected with the rotating block 702 through a pressing-down rotating rod 707, one end of the pressing-down rotating rod 707 is in rotating connection with the rotating block 702, the other end of the pressing-down rotating rod 707 is in rotating connection with the pressing-down slider 706, a support block 717 which is directly connected with the pressing-down slider 706 is arranged between the two main adjusting blocks 703, when a user presses the operating rod 15, the outer tube pushes the support block 717 to descend, even if the two push-down sliders 706 are driven to slide along the sliding through groove 705 at the same time, the push-down slider 706 which slides downwards can drive the rotating block 702 to rotate downwards through the push-down rotating rod 707, at this time, because the rotating block 702 is connected with the bearing frame 701 through the rotating shaft, one end of the rotating block 702 rotates downwards, and the other end of the rotating block 702 can rise.
two auxiliary adjusting blocks 704 are symmetrically arranged, sliding clamping grooves 708 are formed in the two auxiliary adjusting blocks 704, a supporting sliding table 711 connected with the auxiliary adjusting blocks 704 in a sliding mode is arranged in the sliding clamping grooves 708, the supporting sliding table 711 is connected with the rotating block 702 through a lifting rotating rod 713, one end of the lifting rotating rod 713 is rotatably connected with the rotating block 702, the other end of the lifting sliding rod 713 is rotatably connected with the supporting sliding table 711, one end of a pushing rotating rod 714 is rotatably connected with the rotating block 702, the other end of the pushing rotating rod 714 is rotatably connected with a clamping table stopper 710, a clamping table stopper 710 connected with the auxiliary adjusting block 704 in a sliding mode is arranged on one side of the supporting sliding table 711, the clamping table stopper 710 is connected with the rotating block 702 through the pushing rotating rod 714, the lifting rotating block 702 can directly drive the supporting sliding table 711 to slide along the sliding clamping grooves 708 through the lifting rotating rod 713, and accordingly the two supporting sliding tables 711 can drive, then, the outer tube near the end of the cable cover 1 is slightly lifted, so that the user can lift the outer tube more easily, and the rotating block 702 which rotates to rise also raises the position for pushing the rotating rod 714, so that the block stop 710 slides up.
Card platform dog 710 is provided with a plurality of limiting slide block 712 in the one side of keeping away from and holding up slip table 711, limiting slide block 712's upper surface sliding connection has limiting card platform 716, fixed mounting has between limiting card platform 716 and the vice regulating block 704 and promotes spring 715, the lateral wall of holding up slip table 711 is equipped with spacing draw-in groove 709 to limiting card platform 716, two be equipped with between the vice regulating block 704 with hold up slip table 711 lug connection's tray 717, upward gliding card platform dog 710 can make limiting card platform 716 break away from the constraint, later promote spring 715 just can promote limiting card platform 716 to slide on limiting slide block 712, until in limiting card platform 716 imbeds limiting draw-in groove 709, the position of holding up slip table 711 just can be lived this moment, make the position after the cable cover 1 perk preliminary limit, the user can in time take off cable cover 1 this moment.
Bear frame 701 including turning block mount 719 and with turning block mount 719 lug connection's screens mount 718 bear frame 701 and turn to position department and be equipped with lag 720, should bear frame 701 only need directly make lag 720 cover at the lateral wall of grudging post 7 when fixed, simultaneously through bayonet lock or screw with turning block mount 719 and screens mount 718 fixed can, its fixed mode is unfixed, as long as can realize easy dismounting's purpose under the condition that does not influence equipment normal use, this lag 720's existence can protect grudging post 7, prevent that the power of exerting is great to lead to grudging post 7 crooked.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. the novel tilting kit for the cable cover based on variable torque is characterized by comprising a cable cover (1), an outer pipe (10) and a base (8) located on one side of the cable cover (1), wherein a stand bar (7) is installed above the base (8), a stand head (5) is arranged above the stand bar (7), and a support piece (6) is arranged at the joint of the stand head (5) and the stand bar (7); the side wall of the outer pipe (10) is provided with a plurality of grooves (9), the grooves (9) are matched with the supporting pieces (6), and when the outer pipe (10) is placed on the stand bar (7), the supporting pieces (6) are clamped in one of the grooves (9);
one end, close to the cable cover (1), of the outer pipe (10) is connected with a rope (13) which penetrates through the outer pipe (10) and is connected with the outer pipe (10), one end, far away from the outer pipe (10), of the rope (13) is connected with a hook (4), the cable cover (1) is located below the hook (4), and the cable cover (1) is connected with the hook (4) through a pull wire (3);
The cable cover is characterized in that one end, far away from the cable cover (1), of the outer tube (10) is connected with an operating rod (15) through a connector (11), and one end, far away from the outer tube (10), of the operating rod (15) is connected with the inner tube (12) in a sliding mode.
2. The novel variable-torque-based lifting kit for cable covers is characterized in that triangular hooks (14) are connected to two ends of the pull wire (3), and a plurality of cover holes (2) for accommodating the triangular hooks (14) are formed in the surface of the cable cover (1).
3. The novel variable-torque-based lifting kit for cable covers is characterized in that the stand head (5) is shaped like a flat-opening inverted gourd.
4. The novel variable torque cable cover lifting kit as claimed in claim 1, wherein the groove (9) is semi-arc shaped.
5. The novel variable torque cable cover raising kit according to claim 1, wherein the diameter of the stand bars (7) increases linearly from top to bottom.
6. The variable torque cable cover lifting kit as claimed in claim 1, wherein the diameter of the inner tube (12) is smaller than the diameter of the outer tube (10).
7. The novel variable torque cable cover lifting kit according to claim 1, wherein a side wall of the stand bar (7) is provided with a bearing frame (701), a main adjusting block (703) and a sub adjusting block (704) for supporting the outer tube (10) are mounted on the upper surface of the bearing frame (701), and a rotating block (702) is connected to the side wall of the bearing frame (701) through a rotating shaft.
8. The novel variable-torque-based cable cover warping kit as claimed in claim 7, wherein two main adjusting blocks (703) are symmetrically arranged, a sliding through groove (705) is formed in each of the two main adjusting blocks (703), a pressing slider (706) connected with the main adjusting blocks (703) in a sliding manner is arranged in the sliding through groove (705), the pressing slider (706) is connected with the rotating block (702) through a pressing rotating rod (707), and a support block (717) directly connected with the pressing slider (706) is arranged between the two main adjusting blocks (703).
9. The novel variable-torque-based cable cover warping kit as claimed in claim 7, wherein two auxiliary adjusting blocks (704) are symmetrically arranged, two sliding clamping grooves (708) are respectively formed in the two auxiliary adjusting blocks (704), a supporting sliding table (711) slidably connected with the auxiliary adjusting blocks (704) is arranged in each sliding clamping groove (708), the supporting sliding table (711) is connected with the rotating block (702) through a rising rotating rod (713), a clamping table stopper (710) slidably connected with the auxiliary adjusting blocks (704) is arranged on one side of the supporting sliding table (711), the clamping table stopper (710) is connected with the rotating block (702) through a pushing rotating rod (714), a plurality of limiting sliders (712) are arranged on one side of the clamping table stopper (710) far away from the supporting sliding table (711), and a limiting clamping table (716) is slidably connected to the upper surface of each limiting slider (712), fixed mounting has between spacing ka tai (716) and vice regulating block (704) to promote spring (715), the lateral wall of holding up slip table (711) is equipped with spacing draw-in groove (709) spacing to spacing ka tai (716), two be equipped with between vice regulating block (704) and hold up the tray block (717) of slip table (711) lug connection.
10. The novel variable torque-based cable cover lifting kit according to claim 7, wherein the carrier (701) comprises a rotating block fixing frame (719) and a clamping fixing frame (718) directly connected with the rotating block fixing frame (719), and a protective sleeve (720) is arranged at a turning position of the carrier (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920568182.0U CN209740647U (en) | 2019-04-24 | 2019-04-24 | novel warping kit for cable cover based on variable torque |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920568182.0U CN209740647U (en) | 2019-04-24 | 2019-04-24 | novel warping kit for cable cover based on variable torque |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209740647U true CN209740647U (en) | 2019-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920568182.0U Active CN209740647U (en) | 2019-04-24 | 2019-04-24 | novel warping kit for cable cover based on variable torque |
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| Country | Link |
|---|---|
| CN (1) | CN209740647U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109896481A (en) * | 2019-04-24 | 2019-06-18 | 广东电网有限责任公司 | A kind of novel external member that warps of the cable cover based on variable torque |
| CN111099531A (en) * | 2020-01-06 | 2020-05-05 | 卢志敏 | Folding rain grate turning device |
-
2019
- 2019-04-24 CN CN201920568182.0U patent/CN209740647U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109896481A (en) * | 2019-04-24 | 2019-06-18 | 广东电网有限责任公司 | A kind of novel external member that warps of the cable cover based on variable torque |
| CN109896481B (en) * | 2019-04-24 | 2024-04-19 | 广东电网有限责任公司 | Novel cable cover tilting kit based on variable moment |
| CN111099531A (en) * | 2020-01-06 | 2020-05-05 | 卢志敏 | Folding rain grate turning device |
| CN111099531B (en) * | 2020-01-06 | 2021-03-26 | 卢志敏 | Folding rain grate turning device |
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