CN210289351U - Isolation protection device for clean workshop - Google Patents
Isolation protection device for clean workshop Download PDFInfo
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- CN210289351U CN210289351U CN201920839142.5U CN201920839142U CN210289351U CN 210289351 U CN210289351 U CN 210289351U CN 201920839142 U CN201920839142 U CN 201920839142U CN 210289351 U CN210289351 U CN 210289351U
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Abstract
The utility model relates to an isolation protector for clean factory building belongs to isolation protective equipment technical field, including the pole setting that two are parallel to each other and the interval set up, the both sides pole setting all is hollow setting, all rotates along its length direction in the pole setting of both sides and is connected with the pivot, just all has seted up the opening along its length direction in the pole setting of both sides, is provided with between the pole setting of both sides to be used for around establishing at the epaxial steel coil net of changeing, and the both sides edge of steel coil net is fixed to the pivot in the pole setting of both sides, is provided with in the pole setting to be used for preventing that the steel coil net from receiving the elasticity of self around locating the. When needs form protector and use, remove the pole setting, stretch out in the opening around establishing the epaxial steel coil net of commentaries on classics this moment, the mounting can prevent that the steel coil net from resisting self elasticity around establishing in the pivot, fixes the steel coil net in required position. The steel coil net has high strength, strong shock resistance and good protection effect.
Description
Technical Field
The utility model belongs to the technical field of isolation protective equipment technique and specifically relates to an isolation protective device for clean factory building is related to.
Background
In the construction process of a clean factory building, a plurality of base stations and pot holes exist, workers have the risk of falling carelessly, and therefore corresponding isolation and protection equipment is arranged in the factory building.
In the prior art, the utility model with the authorization notice number of CN208858240U discloses a safety protection warning isolation device, which comprises a base sleeve, a support rod, a magnetic buckle, a pull ring, a back plate, a fastening screw, a support back plate, a magnetic buckle two, a warning isolation belt, a storage box, a manual crank, a support plate and a support rod, wherein the warning isolation belt is made of nylon material, when the distance to be warned and isolated is short, the warning isolation belt is stretched out of the storage box by directly pulling the pull ring, the pull ring is pulled to the back plate and sleeved on the back plate through the magnetic buckle, and the end of the warning isolation belt is fixed on the back plate by the magnetic buckle in an adsorption manner, so that an isolated warning belt is formed, and the operation at the back of the area is convenient; when the distance required to be isolated is longer or enclosure warning is required, the supporting rod and the supporting back plate are used for performing intermediate transition and changing the enclosure direction, the warning isolation belt tightly penetrates through the supporting back plate, the warning isolation belt is fixed on the supporting back plate in an adsorption mode through the two magnetic buckles, and the required supporting back plate and the supporting rod assembly are selected according to the warning isolation area; the whole structure is simple, the safety isolation warning device can be repeatedly used, and the safety isolation warning effect is good.
Safety protection among the above-mentioned technical scheme warns and keeps apart only with the median of nylon material, and the median intensity of nylon material is low, shock resistance is weak, and the protecting effect is single, has reduced safety protection isolating device's protecting effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an keep apart protector for clean factory building has the advantage that the protecting effect is good.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides an isolation and protection device for clean factory building, including two pole settings that are parallel to each other and the interval sets up, both sides pole setting all is hollow setting, it is connected with the pivot all to rotate along its length direction in the pole setting of both sides, just all seted up the opening along its length direction in the pole setting of both sides, be provided with between the pole setting of both sides and be used for around establishing the epaxial steel coil net of changeing, the both sides edge of steel coil net is fixed to the pivot in the pole setting of both sides, be provided with in the pole setting and be used for preventing that the steel coil net from receiving the elasticity of self around locating.
Through adopting above-mentioned technical scheme, when needs form protector and use, remove the pole setting, stretch out in the opening around establishing the epaxial steel coil of strip net of changeing this moment, the mounting can prevent that the steel coil of strip net from resisting self elasticity around establishing in the pivot, fixes the steel coil of strip net in required position. The steel coil net has high strength, strong shock resistance and good protection effect. When the steel coil net is not needed to be used, the steel coil net is provided with rolling elasticity, only the fixing piece needs to be adjusted, the steel coil net is wound on the rotating shaft arranged in the vertical rods at two sides through the opening under the action of the elasticity of the steel coil net, the occupied space is small, and the transportation is convenient.
The utility model discloses further set up to: the pivot is kept away from the tip on ground and is run through to the pole setting and set up outward, and the mounting is established and fixed connection including the cover in the pivot the outside ratchet of tip of pole setting, and the articulated pawl that is provided with ratchet matched with in the pole setting, pawl and pole setting articulated position are provided with the torsional spring, and the one end of torsional spring is connected to in the pole setting, and the other end is connected to on the pawl.
Through adopting above-mentioned technical scheme, when coil of strip net stretches out from the opening, coil of strip net movable shaft rotates, the pivot drives ratchet rotation, the pawl does not prevent ratchet rotation this moment, thereby it stretches out to drive coil of strip net, when coil of strip net stretches out to required length, the pawl resists the elasticity butt joint of torsional spring to the tooth portion of ratchet on, thereby prevent ratchet rotation, thereby it receives self elasticity around establishing in the pivot to block coil of strip net, coil of strip net alright fixed to required position this moment, when needs are with coil of strip net rolling to the pivot on, it can to keep away from the ratchet through the torsion drive pawl that resists the torsional spring.
The utility model discloses further set up to: all be provided with the stiffener on the relative face of both sides pole setting, the one end of stiffener articulates the tip to the pole setting, is provided with in the pole setting to be used for with the stiffener on the adjacent pole setting fixed, in order to drive the fastener that both sides stiffener is cross state, but the stiffener sets up to extending structure.
Through adopting above-mentioned technical scheme, but extending structure's stiffener is convenient for operating personnel adjusts its service length according to actual conditions, and the stiffener can strengthen the shock resistance of steel coil net in use to improve its protective effect, the articulated stiffener that sets up is convenient for adjust its application angle according to actual conditions, and the fastener is fixed the stiffener in adjacent pole setting, and makes the stiffener cross fixation of both sides.
The utility model discloses further set up to: the fastener is provided with the fixed block including setting up the backup pad of keeping away from the tip of ratchet in the pole setting in the backup pad, is provided with the spring between backup pad and the fixed block, and on the one end of spring was connected to the backup pad, on the other end was connected to the fixed block, the stiffener was kept away from and was offered the cell body that is used for supplying the fixed block immigration with pole setting articulated tip.
Through adopting above-mentioned technical scheme, when needs are fixed with the stiffener, rotate the stiffener, adjust the fixed block and make its elasticity that resists the spring move into the cell body of stiffener tip, prevent that the stiffener from swinging because of articulated to fix the stiffener in adjacent pole setting, its simple structure, it is easy and simple to handle.
The utility model discloses further set up to: be provided with the guide bar between fixed block and the backup pad, the one end of guide bar is connected to on the fixed block, and on the other end wore to establish and sliding connection to backup pad, the spring housing was located on the guide bar.
Through adopting above-mentioned technical scheme, the guide bar has the guide effect to the removal of fixed block, the removal of the fixed block of also being convenient for, the guide bar also has played the effect of direction to the flexible of spring, prevents that the spring from taking place the slope at flexible in-process to prevent that the spring from driving the fixed block and producing the slope, make the movable tank that the fixed block can be better internal, improved the fixed effect of fixed block to the stiffener.
The utility model discloses further set up to: but extending structure includes that one end articulates the outer pole in the pole setting, and interior pole of grafting and sliding connection has in the outer pole, and the spout has been seted up to the both sides that just are located the outer pole inner wall on the outer pole inner wall, and the spout sets up along the length direction of outer pole, is provided with the slider of sliding connection in the spout of both sides on the interior pole outer wall, and the tip that the pole setting was kept away from to the spout is for sealing the setting.
Through adopting above-mentioned technical scheme, the slider slides in the spout, moves in outer pole in the drive interior pole, and the tip that the pole setting was kept away from to the spout seals the setting and can prevent slider roll-off in the spout to break away from in outer pole in preventing, improved the interior slip effect of pole in outer pole.
The utility model discloses further set up to: all offer the holding tank that is used for holding the stiffener on the relative face of both sides pole setting, the one end of stiffener articulates in the holding tank.
Through adopting above-mentioned technical scheme, when need not use the stiffener, rotate the stiffener and place in the holding tank, occupation space is little, and the operating personnel of being convenient for transports to other places when changing the construction site, plays the protection effect to the stiffener. When the reinforcing rod needs to be used, the reinforcing rod is separated from the accommodating groove.
The utility model discloses further set up to: all be provided with the locating plate on the relative face of both sides pole setting, the locating plate is located the position setting adjacent to holding tank place, wears to establish and sliding connection has on the locating plate to be used for blockking the locating lever to the holding tank with the stiffener.
Through adopting above-mentioned technical scheme, accomodate in the holding tank when the stiffener, the effect that the holding tank played the hindrance is shifted out to the stiffener because of articulated rotation, and then prevents that the stiffener from breaking away from the holding tank in the transportation, simple structure, and is easy and simple to handle, and the practicality is strong.
To sum up, the utility model discloses a beneficial technological effect does:
when needs form protector and use, remove the pole setting, stretch out in the opening around establishing the epaxial steel coil net of commentaries on classics this moment, the mounting can prevent that the steel coil net from resisting self elasticity around establishing in the pivot, fixes the steel coil net in required position. The steel coil net has high strength, strong shock resistance and good protection effect. When the steel coil net is not needed to be used, the steel coil net is provided with rolling elasticity, only the fixing piece needs to be adjusted, the steel coil net is wound on the rotating shaft arranged in the vertical rods at two sides through the opening under the action of the elasticity of the steel coil net, the occupied space is small, and the transportation is convenient.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a diagram of the explosion structure of the inner and outer rods of the present invention;
FIG. 4 is a schematic structural view of the present invention showing the reinforcing bar and the fastener;
FIG. 5 is an enlarged schematic view of portion B of FIG. 4;
FIG. 6 is an enlarged schematic view of portion C of FIG. 4;
fig. 7 is a schematic structural view of the present invention during storage.
Reference numerals: 1. erecting a rod; 2. a rotating shaft; 3. an opening; 4. steel roll net; 5. a ratchet wheel; 6. a pawl; 7. a torsion spring; 8. a reinforcing bar; 81. an outer rod; 82. an inner rod; 9. a support plate; 10. a fixed block; 11. a spring; 12. a trough body; 13. a guide bar; 14. a chute; 15. a slider; 16. accommodating grooves; 17. positioning a plate; 18. and (5) positioning the rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model discloses an isolation protector for clean factory building, as shown in fig. 1, including two pole settings 1 that are parallel to each other and the interval sets up, both sides pole setting 1 all is hollow setting, all rotates along its length direction in the pole setting 1 of both sides and is connected with pivot 2, and opening 3 has all been seted up along its length direction in the pole setting 1 of both sides, is provided with between the pole setting 1 of both sides to be used for around establishing the steel coil of strip net 4 in pivot 2, and the both sides edge of steel coil of strip net 4 is fixed to pivot 2 in the pole setting 1 of both sides.
When needs use the steel coil net, the staff removes pole setting 1, stretches out in opening 3 around establishing the steel coil net 4 on pivot 2 this moment, and when steel coil net 4 stretches out from opening 3, steel coil net 4 drove the pivot 2 rotation in the pole setting 1 of both sides, and the staff of being convenient for adjusts the use length of steel coil net 4.
With reference to fig. 1 and 2, in order to fix the steel wire mesh 4 at a desired length, the end of the rotating shaft 2 far away from the ground is penetrated to the outside of the vertical rod 1, the rotating shaft 2 is sleeved at the end outside the vertical rod 1 and is fixedly connected with a ratchet 5, a pawl 6 matched with the ratchet 5 is hinged to the vertical rod 1, a torsion spring 7 is arranged at the position where the pawl 6 is hinged to the vertical rod 1, one end of the torsion spring 7 is connected to the vertical rod 1, and the other end of the torsion spring is connected to the pawl 6.
When the coil of strip net 4 stretches out from opening 3, coil of strip net 4 drives pivot 2 and rotates, pivot 2 drives ratchet 5 and rotates, pawl 6 does not prevent ratchet 5 and rotates this moment, thereby it stretches out to drive coil of strip net 4, when coil of strip net 4 stretches out to required length, pawl 6 resists the elasticity butt joint of torsional spring 7 to the tooth portion of ratchet 5, thereby prevent ratchet 5 and rotate, thereby it receives self elasticity around establishing in pivot 2 to block coil of strip net 4, coil of strip net 4 alright be fixed to required position this moment. The steel coil net 4 has high strength, strong impact resistance and good protection effect. When the steel coil net 4 is not needed to be used, the pawl 6 is adjusted, the pawl 6 is driven to be away from the ratchet wheel 5 through the torsion resisting the torsion of the torsion spring 7, the steel coil net 4 is wound on the rotating shaft 2 arranged in the vertical rods 1 at the two sides through the opening 3 under the action of the elasticity of the steel coil net 4, the occupied space is small, and the transportation is convenient.
Combine fig. 3 and fig. 4, for further reinforcing protective effect, all be provided with stiffener 8 on the face that both sides pole setting 1 is relative, the one end of stiffener 8 articulates to the tip of pole setting 1, be convenient for adjust stiffener 8's service length, set up stiffener 8 into scalable structure, scalable structure includes that one end articulates the outer pole 81 in pole setting 1, peg graft and sliding connection has interior pole 82 in the outer pole 81, spout 14 has been seted up to the both sides that just are located the outer pole 81 inner wall on the outer pole 81 inner wall, spout 14 sets up along the length direction of outer pole 81, be provided with slider 15 of sliding connection in both sides spout 14 on the interior pole 82 outer wall, the tip that pole setting 1 was kept away from to spout 14 is sealed the setting.
When the use length of stiffener 8 needs to be adjusted, adjust interior pole 82 and drive slider 15 and slide in spout 14, interior pole 82 removes in outer pole 81 this moment, and the tip that pole setting 1 was kept away from to spout 14 seals the setting and can prevent slider 15 roll-off in spout 14 to prevent interior pole 82 and break away from in outer pole 81, spout 14 and slider 15's cooperation setting has improved the slip effect of interior pole 82 in outer pole 81.
With reference to fig. 4 and 5, in order to fix the reinforcing rod 8 to the adjacent vertical rod 1, a supporting plate 9 is arranged at the end of the vertical rod 1 far away from the ratchet wheel 5, a fixing block 10 is arranged on the supporting plate 9, a spring 11 is arranged between the supporting plate 9 and the fixing block 10, one end of the spring 11 is connected to the supporting plate 9, the other end of the spring 11 is connected to the fixing block 10, and a groove 12 for moving the fixing block 10 into is formed in the end of the reinforcing rod 8 far away from the end hinged to the vertical rod.
When the reinforcing rod 8 needs to be used, the reinforcing rod 8 is rotated, the fixing block 10 is adjusted to move into the groove body 12 at the end part of the reinforcing rod 8 against the elastic force of the spring 11, the reinforcing rod 8 is prevented from swinging due to hinging, and therefore the reinforcing rod 8 is fixed on the adjacent vertical rod 1. When the reinforcing rod 8 is not needed, the fixing block 10 is separated from the groove body 12.
With reference to fig. 4 and 6, in order to further improve the fixing effect of the reinforcing rod 8, a guide rod 13 is disposed between the fixing block 10 and the supporting plate 9, one end of the guide rod 13 is connected to the fixing block 10, the other end of the guide rod 13 is penetrated and slidably connected to the supporting plate 9, and the guide rod 13 is sleeved with the spring 11. The guide rod 13 has a guiding effect on the movement of the fixing block 10, and is also convenient for adjusting the fixing block 10 to move into the groove body 12 of the reinforcing rod 8, so that the reinforcing rod 8 is fixed on the vertical rod 1. The guide rod 13 also plays a role in guiding the extension of the spring 11, and prevents the spring 11 from inclining in the extension process, so that the spring 11 is prevented from driving the fixing block 10 to incline, the fixing block 10 can be better moved into the groove body 12, and the fixing effect of the fixing block on the reinforcing rod 8 is improved.
With reference to fig. 4 and 7, in order to accommodate the reinforcing rod 8, an accommodating groove 16 for accommodating the reinforcing rod 8 is formed on the opposite surface of the two side vertical rods 1, and one end of the reinforcing rod 8 is hinged in the accommodating groove 16. All be provided with locating plate 17 on the face that both sides pole setting 1 is relative, locating plate 17 is located the position setting adjacent to holding tank 16 place, wears to establish and sliding connection has on the locating plate 17 to be used for blockking the locating lever 18 to the holding tank 16 with stiffener 8.
When need not use stiffener 8, rotate stiffener 8 and place in holding tank 16, occupation space is little, and the operating personnel of being convenient for transports to other places when changing the construction site, plays the protection effect to stiffener 8. Alignment rod 18 spans receiving slot 16, preventing stiffener 8 from pivoting out of receiving slot 16 due to articulation, and preventing stiffener 8 from falling out of receiving slot 16 during transportation. When the reinforcing bar 8 needs to be used, the positioning rod 18 is adjusted, and the reinforcing bar 8 is rotated to be separated from the accommodating groove 16.
The implementation principle of the embodiment is as follows:
when needs form protector and use, the staff removes pole setting 1, stretch out from opening 3 around establishing the steel coil net 4 in pivot 2 this moment, when steel coil net 4 stretches out from opening 3, steel coil net 4 drives pivot 2 rotation in the pole setting 1 of both sides, pivot 2 drives ratchet 5 and rotates, pawl 6 and ratchet 5 syntropy rotate this moment, when steel coil net 4 stretches out to required length, pawl 6 resists the elasticity of torsional spring 7 and prevents ratchet 5 antiport, thereby it is around establishing in pivot 2 to block steel coil net 4 to receive self elasticity, steel coil net 4 alright be fixed to required position this moment, steel coil net 4's intensity is high, impact resistance is strong, the protecting effect is good. Adjusting the positioning rod 18, rotating the stiffener 8 to disengage from the receiving slot 16, adjusting the inner rod 82 to drive the sliding block 15 to slide in the sliding slot 14, and at this time, the inner rod 82 moves in the outer rod 81 to adjust the stiffener 8 to a desired length. The guide rod 13 is adjusted so that the fixing block 10 moves into the groove 12 at the end of the reinforcing rod 8 against the elastic force of the spring 11, preventing the reinforcing rod 8 from swinging due to hinging, thereby fixing the reinforcing rod 8 on the adjacent upright rods 1. The guide rod 13 also plays a role in guiding the extension and retraction of the spring 11, so that the spring 11 is prevented from inclining in the extension and retraction process, and the fixing effect of the fixing block 10 on the reinforcing rod 8 is improved.
When needs transported it to other places, adjust guide bar 13, be fixed block 10 breaks away from in cell body 12, rotate stiffener 8 and place in holding tank 16, adjust locating lever 18 and span holding tank 16, prevent that stiffener 8 from shifting out holding tank 16 because of articulated rotation, and then prevent that stiffener 8 from breaking away from holding tank 16. The staff adjusts pawl 6 this moment, and coil of strip net 4 receives the elasticity effect of self promptly around establishing on pivot 2 in both sides pole setting 1 through opening 3, and occupation space is little, the transportation of being convenient for.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an keep apart protector for clean factory building which characterized in that: including pole setting (1) that two are parallel to each other and the interval sets up, both sides pole setting (1) all is hollow setting, both sides all rotate along its length direction in pole setting (1) and are connected with pivot (2), both sides just all seted up opening (3), both sides along its length direction on pole setting (1) be provided with between pole setting (1) and be used for around establishing steel coil of wire net (4) on pivot (2), the both sides edge of steel coil of wire net (4) is fixed to both sides on pivot (2) in pole setting (1), be provided with on pole setting (1) and be used for preventing that steel coil of wire net (4) from receiving the elasticity of self around locating the mounting on pivot (2).
2. The isolation and protection device for clean room as claimed in claim 1, wherein: the tip that ground was kept away from in pivot (2) runs through to pole setting (1) and sets up outward, the mounting is established and fixed connection ratchet (5) in the outer tip of pole setting (1) in pivot (2) including the cover, articulated being provided with on pole setting (1) with ratchet (5) matched with pawl (6), pawl (6) are provided with torsional spring (7) with pole setting (1) articulated position, the one end of torsional spring (7) is connected to on pole setting (1), and the other end is connected to on pawl (6).
3. The isolation and protection device for clean room as claimed in claim 1, wherein: both sides all be provided with stiffener (8) on the face that pole setting (1) is relative, the one end of stiffener (8) is articulated to the tip of pole setting (1), be provided with on pole setting (1) and be used for fixing stiffener (8) on adjacent pole setting (1), in order to drive fastener that both sides stiffener (8) are cross state, stiffener (8) set up to extending structure.
4. The isolation and protection device for clean room as claimed in claim 3, wherein: the fastener is including setting up backup pad (9) of keeping away from the tip of ratchet (5) in pole setting (1), be provided with fixed block (10) on backup pad (9), be provided with spring (11) between backup pad (9) and fixed block (10), the one end of spring (11) is connected to on backup pad (9), and the other end is connected to on fixed block (10), cell body (12) that are used for supplying fixed block (10) immigration are offered with pole setting (1) articulated tip in stiffener (8) keep away from.
5. The isolation and protection device for clean room as claimed in claim 4, wherein: be provided with guide bar (13) between fixed block (10) and backup pad (9), the one end of guide bar (13) is connected to on fixed block (10), and the other end wears to establish and sliding connection to backup pad (9) on, spring (11) cover is located on guide bar (13).
6. The isolation and protection device for clean room as claimed in claim 3, wherein: but extending structure includes that one end articulates outer pole (81) on pole setting (1), peg graft and sliding connection has interior pole (82) in outer pole (81), spout (14) have been seted up to the both sides that just are located outer pole (81) inner wall on outer pole (81) inner wall, the length direction setting of outer pole (81) is followed in spout (14), be provided with slider (15) of sliding connection in both sides spout (14) on interior pole (82) outer wall, the tip that pole setting (1) was kept away from in spout (14) sets up for sealing.
7. The isolation and protection device for clean room as claimed in claim 1, wherein: both sides all offer holding tank (16) that are used for holding stiffener (8) on the face that pole setting (1) is relative, the one end of stiffener (8) articulates in holding tank (16).
8. The isolation and protection device for clean room as claimed in claim 7, wherein: both sides all be provided with locating plate (17) on the face that pole setting (1) is relative, locating plate (17) are located the position setting adjacent in holding tank (16) place, wear to establish and sliding connection has locating lever (18) that are used for blockking stiffener (8) to holding tank (16) on locating plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920839142.5U CN210289351U (en) | 2019-06-05 | 2019-06-05 | Isolation protection device for clean workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920839142.5U CN210289351U (en) | 2019-06-05 | 2019-06-05 | Isolation protection device for clean workshop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210289351U true CN210289351U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920839142.5U Active CN210289351U (en) | 2019-06-05 | 2019-06-05 | Isolation protection device for clean workshop |
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| Country | Link |
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| CN (1) | CN210289351U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112302416A (en) * | 2020-11-27 | 2021-02-02 | 成都城投建筑工程有限公司 | Foundation pit limb enclosure structure |
| CN112324246A (en) * | 2020-10-27 | 2021-02-05 | 冯秀君 | Protective device for electric power equipment maintenance |
-
2019
- 2019-06-05 CN CN201920839142.5U patent/CN210289351U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324246A (en) * | 2020-10-27 | 2021-02-05 | 冯秀君 | Protective device for electric power equipment maintenance |
| CN112302416A (en) * | 2020-11-27 | 2021-02-02 | 成都城投建筑工程有限公司 | Foundation pit limb enclosure structure |
| CN112302416B (en) * | 2020-11-27 | 2022-03-22 | 成都城投建筑工程有限公司 | Foundation pit limb enclosure structure |
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Address after: No. 1302, 1303 and 1304, 13th floor, unit 2, building 1, No. 777, North Yizhou Avenue, Chengdu hi tech Zone, China (Sichuan) pilot Free Trade Zone, Chengdu, Sichuan 610041 Patentee after: Chuanchu United International Engineering Co.,Ltd. Address before: No. 1302, 1303 and 1304, 13th floor, unit 2, building 1, No. 777, North Yizhou Avenue, Chengdu hi tech Zone, China (Sichuan) pilot Free Trade Zone, Chengdu, Sichuan 610041 Patentee before: Sichuan Chuan United Environmental Technology Co.,Ltd. |