CN213710865U - Elevator shaft protective door structure - Google Patents
Elevator shaft protective door structure Download PDFInfo
- Publication number
- CN213710865U CN213710865U CN202022291995.5U CN202022291995U CN213710865U CN 213710865 U CN213710865 U CN 213710865U CN 202022291995 U CN202022291995 U CN 202022291995U CN 213710865 U CN213710865 U CN 213710865U
- Authority
- CN
- China
- Prior art keywords
- tubes
- violently
- tube
- locking
- elevator shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001681 protective effect Effects 0.000 title claims description 38
- 230000002093 peripheral effect Effects 0.000 claims abstract description 19
- 230000000670 limiting effect Effects 0.000 claims description 16
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 235000019994 cava Nutrition 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004806 packaging method and process Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
Images
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The utility model relates to an elevartor shaft guard gate structure, it includes rectangle guard frame, rectangle guard frame includes that two stay tubes violently manage with two, two violently manage and divide into between the both ends that are located two stay tubes, violently manage and peg graft with the stay tube, be equipped with the locking Assembly who is used for locking stay tube and violently manages between violently managing, be equipped with the fixed subassembly that is used for stay tube and wall fixing on the stay tube, two outer peripheral faces of violently managing have all opened a plurality of connecting holes, the length direction interval distribution of violently managing is followed to a plurality of connecting holes, the hole site one-to-one of two sets of connecting holes, two are violently managed and peg graft between and have a plurality of. This application has and is formed through the mode equipment of pegging graft by the pipe fitting with the guard gate, has improved the packaging efficiency of guard gate, reminds constructor simultaneously not to be close to the elevartor shaft to reduce the effect of potential safety hazard.
Description
Technical Field
The application relates to the technical field of protective doors, in particular to an elevator shaft protective door structure.
Background
When the elevator building is built, an elevator shaft for installing an elevator is generally reserved, the size of the elevator shaft is determined according to the type selection of the elevator, and a door opening for installing the elevator door is reserved on the wall of each floor of the corridor. When building the building, for guaranteeing constructor's personal safety, generally can be at the other interim installation elevator shaft guard gate of door opening to reduce the risk that constructor fell into the elevator shaft.
Current elevartor shaft guard gate generally forms by many steel pipe welding, chooses suitable guard gate for use according to the size of door opening, when installation guard gate, installs the guard gate on the wall of door opening both sides to carry out the shutoff to the door opening.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: because of the elevator shaft guard gate generally forms by many steel pipe welding to need carry out a large amount of weldment work when making the guard gate equipment, thereby influence the shortcoming of guard gate packaging efficiency.
SUMMERY OF THE UTILITY MODEL
In order to improve the packaging efficiency of elevartor shaft guard gate, this application provides an elevartor shaft guard gate structure.
The application provides a pair of elevartor shaft guard gate structure adopts following technical scheme:
the utility model provides an elevartor shaft guard gate structure, includes rectangle guard frame, rectangle guard frame includes that two stay tubes and two are violently managed, two violently the pipe divide into and is located two between the both ends of stay tube, violently the pipe with the stay tube is pegged graft, the stay tube violently be equipped with between the pipe be used for locking the stay tube with violently the locking Assembly of pipe, be equipped with on the stay tube be used for with stay tube and wall body fixed's fixed subassembly, two the outer peripheral face of violently managing is all opened a plurality of connecting holes, and is a plurality of the connecting hole is followed the length direction interval distribution of violently managing, and is two sets of the hole site one-to-one of connecting hole, two it has a plurality of risers to peg graft between violently the pipe, the riser with the connecting.
By adopting the technical scheme, the plurality of pipe fittings are mutually inserted, so that the welding operation is omitted, the assembly of the protective door is facilitated, and the efficiency of the protective door is improved; when the protective door is assembled, the vertical pipes are firstly inserted between the two transverse pipes, then the transverse pipes are inserted with the supporting pipes, and the transverse pipes and the supporting pipes are locked through the locking assemblies, so that the protective door is assembled efficiently and quickly; after the protective door is assembled, the protective door is fixed on a wall body through the fixing assembly so as to block a door opening communicated with the elevator shaft, and therefore the protective door is installed; simultaneously be connected with the warning subassembly on the standpipe, the warning subassembly plays the warning effect to constructor to remind constructor not be close to the elevartor shaft, thereby reduce the potential safety hazard.
Preferably, the locking assembly comprises a locking bolt, through holes for the locking bolt to pass through are formed in the outer peripheral surfaces of the supporting tube and the transverse tube, and the locking bolt passes through the through holes and is in threaded connection with a locking nut.
Through adopting above-mentioned technical scheme, through adopting locking bolt, lock nut with stay tube and violently pipe locking, when guaranteeing stay tube and violently pipe joint strength, make things convenient for being connected or dismantling of stay tube and violently pipe to improve the efficiency of construction.
Preferably, a right-angled bend is arranged between the supporting tube and the transverse tube, the supporting tube is connected with one end of the right-angled bend in an inserting mode, the transverse tube is connected with the other end of the right-angled bend in an inserting mode, the through hole is formed in the right-angled bend, and the right-angled bend, the supporting tube and the transverse tube are locked through the locking bolt and the locking nut respectively.
Through adopting above-mentioned technical scheme, through being equipped with elbow bend between stay tube and violently the pipe, lock locking bolt, lock nut pass through elbow bend with stay tube and violently manage locking to make guard gate equipment accomplish the back, stay tube and violently be connected between the pipe more firm, thereby guarantee the stability of structure.
Preferably, the warning assembly comprises two connecting pipes, the connecting pipes are located between the supporting pipes, the connecting pipes are connected with the supporting pipes in an inserting mode, one end, far away from the transverse pipe, of each vertical pipe is connected with the connecting pipes in an inserting mode, and the warning board is connected between the connecting pipes in an inserting mode.
By adopting the technical scheme, the connecting pipe is inserted between the two supporting pipes, one end of the vertical pipe, which is far away from the transverse pipe, is inserted with the connecting pipe, and the connecting pipe provides support for the vertical pipe, so that the vertical pipe is stably inserted between the transverse pipe and the connecting pipe; and the warning sign is pegged graft between two connecting pipes, and stay tube cooperation connecting pipe plays limiting displacement to the warning sign for the stable installation of warning sign is in the protection door, simultaneously, because of the warning sign pegs graft with the connecting pipe, makes things convenient for the installation or the dismantlement of warning sign and connecting pipe.
Preferably, the peripheral surfaces of the two connecting pipes are recessed with grooves, the grooves extend along the length direction of the connecting pipes, the warning board is inserted in the grooves and is in sliding connection with the grooves.
Through adopting above-mentioned technical scheme, all sunken the recess through the outer peripheral face at two connecting pipes, warning sign and recess slip are pegged graft, and the recess plays limiting displacement to the warning sign for the firm centre gripping of warning sign is between two connecting pipes, and need not the foreign object between warning sign and the connecting pipe and can install fixedly, thereby makes things convenient for the installation or the dismantlement of warning sign.
Preferably, the fixing component comprises a sleeve sleeved with the supporting tube, the sleeve is in sliding connection with the supporting tube, a fixing plate is fixedly connected to the outer peripheral surface of the sleeve, and the fixing plate is fixedly connected with the wall body through a threaded fastener.
Through adopting above-mentioned technical scheme, through cup jointed the sleeve on the stay tube, telescopic outer peripheral face fixedly connected with fixed plate, the fixed plate passes through threaded fastener and wall body fixed connection to make installing in the door opening department of elevartor shaft that the guard gate can stabilize, thereby shelter from the door opening.
Preferably, the fixing assemblies are not less than two groups.
Through adopting above-mentioned technical scheme, be no less than two sets of settings through with fixed subassembly to make the guard gate firm with being connected of wall body.
Preferably, the sleeve is connected with a limiting member for limiting the supporting tube to slide relative to the sleeve.
By adopting the technical scheme, the limiting part used for limiting the supporting tube to slide relative to the sleeve is connected to the sleeve, after the protective door is installed on the wall body, the limiting part has a limiting effect on the sliding of the supporting tube, and the distance is reserved between the protective door and the ground by controlling the installation height of the protective door, so that the protective door can rotate around the supporting tube conveniently.
Preferably, the limiting part comprises a limiting ring, the limiting ring is fixedly sleeved with the supporting tube, and the upper end face of the sleeve is abutted to the lower end face of the limiting ring.
Through adopting above-mentioned technical scheme, cup joint through the outer peripheral face at the stay tube and be fixed with the spacing ring, and telescopic up end and the lower terminal surface butt of spacing ring, the bolt that the fixed plate meets the department with the wall body passes through the sleeve and plays supporting role to the spacing ring to make the difficult relative sleeve of stay tube lapse.
Preferably, the peripheral face of connecting pipe installs the bolt lock, be equipped with on the wall body with bolt lock complex hasp.
Through adopting above-mentioned technical scheme, install the guard gate back on the wall body, for the rotation of restriction guard gate to make keep blocking the state of door opening, through install the bolt lock at the outer peripheral face of connecting pipe, install on the wall body with bolt lock complex hasp, peg graft the bolt and the hasp of bolt lock, make the guard gate keep blocking the state of door opening, thereby guarantee constructor's construction safety.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the protective door is assembled by pipe fittings in an inserting mode, so that the construction step of welding is avoided, the assembling efficiency of the protective door is improved, and the protective door is provided with a warning assembly to remind constructors not to approach an elevator shaft, so that potential safety hazards are reduced;
2. the protective door is provided with the fixing component, so that the protective door can be arranged on a wall body;
3. through being equipped with the locating part on the stay tube for the guard gate can hang in the air, thereby does not produce the friction with ground when making the guard gate rotate, thereby makes things convenient for the rotation of guard gate.
Drawings
FIG. 1 is a schematic overall structure of the present application;
figure 2 is a partially exploded schematic view of the guard gate of the present application.
Description of reference numerals: 1. supporting a tube; 2. a transverse tube; 3. a right-angle elbow; 4. a locking assembly; 41. locking the bolt; 42. locking the nut; 5. a through hole; 6. connecting holes; 7. a vertical tube; 8. a warning component; 81. a connecting pipe; 82. a warning board; 9. a groove; 10. a fixing assembly; 101. a sleeve; 102. a fixing plate; 103. fixing the bolt; 11. a limiting ring; 12. a latch lock; 13. locking; 14. a wall body.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses elevartor shaft guard gate structure. Referring to fig. 1, the protection door includes a protection door frame, the protection door frame includes two support tubes 1 and two horizontal tubes 2, the two horizontal tubes 2 are respectively located between two ends of the two support tubes 1, and a central axis of the horizontal tube 2 is perpendicular to a central axis of the support tube 1. Stay tube 1 is equipped with elbow bend 3 with the one end of violently managing 2 and being close to each other, and stay tube 1 is pegged graft with elbow bend 3's one end, violently manages 2 and pegs graft with elbow bend 3's the other end, is equipped with on elbow bend 3 to be used for stay tube 1 and elbow bend 3, violently manages 2 and stay tube 1 locking's locking subassembly 4.
Referring to fig. 2, there are four sets of locking assemblies 4, four sets of locking assemblies 4 are respectively located at four corners where the support tube 1 is connected with the transverse tube 2, and each set of locking assemblies 4 includes two locking bolts 41 and two locking nuts 42. The through holes 5 for the locking bolts 41 to penetrate are formed in the side walls of the right-angle elbow 3, the supporting pipe 1 and the transverse pipe 2, wherein the through holes 5 in the right-angle elbow 3 are two, and the two through holes 5 in the right-angle elbow 3 correspond to the through holes 5 in the supporting pipe 1 and the through holes 5 in the transverse pipe 2 respectively. The two locking bolts 41 respectively pass through the through holes 5 on the right-angle elbow 3 and the supporting tube 1, the through holes 5 on the right-angle elbow 3 and the transverse tube 2 and are in threaded connection with the locking nuts 42.
The peripheral face of two violently pipes 2 all opens has a plurality of connecting holes 6, and a plurality of connecting holes 6 extend along violently pipe 2's length direction and set up, and the centre of a circle of a plurality of connecting holes 6 is located same straight line, and the hole site one-to-one of two sets of connecting holes 6. It has a plurality of standpipe 7 to peg graft between two violently pipes 2, and the axis of standpipe 7 is perpendicular with the axis of violently managing 2, and the quantity of standpipe 7 is unanimous with the quantity of violently managing 2 on connecting hole 6, and standpipe 7 pegs graft with connecting hole 6.
Standpipe 7 is equipped with two sets ofly, and two sets of standpipe 7 are kept away from and are connected with the warning subassembly 8 that is used for reminding constructor between the one end of violently managing 2.
Warning subassembly 8 includes two connecting pipes 81, and the axis of two connecting pipes 81 all is parallel with the axis of violently managing 2, and two connecting pipes 81 all peg graft between two spinal branch stay tubes 1, and the one end of violently managing 2 is kept away from to every group standpipe 7 all pegs graft with connecting pipe 81. The warning board 82 is inserted between the two connecting pipes 81, the outer peripheral surface of the connecting pipe 81, which deviates from the vertical pipe 7, is recessed with a groove 9, the groove 9 extends along the length direction of the connecting pipe 81, and the groove 9 penetrates through the two ends of the connecting pipe 81. The warning board 82 is in sliding insertion connection with the groove 9, and the width of the groove 9 is matched with the thickness of the warning board 82. Warning sign 82 plays the warning effect to the constructor to make the constructor not be close to the guard gate, thereby reduce the risk that the constructor fell into the elevartor shaft.
Referring to fig. 1, one support pipe 1 is provided with a fixing assembly 10 for fixing the support pipe 1 to a wall 14. The fixing component 10 comprises a sleeve 101 sleeved with a support pipe 1, the support pipe 1 is slidably connected with the sleeve 101, a fixing plate 102 is fixedly connected to the outer peripheral surface of the sleeve 101, the central axis of the sleeve 101 is parallel to the plate surface of the fixing plate 102, the fixing plate 102 is fixedly connected with the wall 14 through a threaded fastener, and the threaded fastener is a fixing bolt 103. A stopper for restricting the support tube 1 from sliding relative to the sleeve 101 is attached to the sleeve 101.
The locating part includes and cup joints fixed spacing ring 11 with support tube 1, and the external diameter of spacing ring 11 is greater than sleeve 101's external diameter, when support tube 1 pegs graft in sleeve 101, spacing ring 11's lower terminal surface and sleeve 101's up end butt. Sleeve 101 plays supporting role to supporting tube 1 through spacing ring 11, and spacing ring 11 plays limiting role to supporting tube 1 through sleeve 101 for when supporting tube 1 is relative sleeve 101 pivoted, the removal of supporting tube 1 relative sleeve 101 receives the restriction, makes when the guard gate is installed on wall body 14, can have the interval between guard gate and the ground, so that when the guard gate rotates, does not have frictional force between guard gate and the ground, thereby makes things convenient for opening and shutting of guard gate.
Two sets of settings are no less than to fixed subassembly 10 and spacing ring 11, and fixed subassembly 10 all is equipped with two sets ofly with spacing ring 11 in this application, and two sets of fixed subassemblies 10, spacing ring 11 are located the both ends of stay tube 1 respectively. Through setting up two sets of fixed subassembly 10 and spacing ring 11 for the guard gate is more stable with being connected of wall body 14, so that the guard gate is difficult for droing from wall body 14.
The peripheral surface of one end of the connecting pipe 81 far away from the fixing component 10 is fixedly connected with a latch lock 12, and a lock catch 13 matched with the latch lock 12 is arranged on the wall 14. After the bolt of the bolt lock 12 is inserted into the lock catch 13, the protective door keeps a state of blocking and communicating with a door opening of the elevator shaft, so that the construction safety of constructors is ensured.
The implementation principle of this application embodiment elevator shaft guard gate structure does: the protective door is assembled by the pipe fittings in an inserting mode, so that the construction step of welding is avoided, the assembling efficiency of the protective door is improved, and the protective door is convenient to disassemble and reuse; when the protective door needs to be transported in large batch, the whole volume of the protective door is greatly reduced after the pipe fittings of the protective door are disassembled, so that the protective door is convenient to transport.
When the guard gate needs to be assembled, the warning board 82 is inserted into the grooves 9 on the two connecting pipes 81, the two groups of vertical pipes 7 are respectively inserted between the connecting pipes 81 and the transverse pipes 2, and the connecting pipes 81 are inserted into the supporting pipes 1, so that preliminary assembly of the guard gate is completed. And then the supporting tube 1 is inserted into the right-angle elbow 3 and fixed through the locking bolt 41 and the locking nut 42, and the transverse tube 2 is inserted into the other end of the right-angle elbow 3 and locked, so that the assembly of the protective door is completed. The whole assembling process only needs to screw a small amount of tightening bolts 41, other assembling processes do not depend on foreign objects, the whole assembling construction is simple and rapid, and the assembled protective door is stable in structure, so that the assembling efficiency of the protective door is greatly improved.
After the protective door is assembled, when the protective door is fixed on the wall 14, the mounting height of the protective door is adjusted to enable the protective door to be spaced from the ground, the fixing plate 102 is fixed on the wall 14 through the fixing bolt 103, and meanwhile, the lock catch 13 is mounted on the wall 14 on the other side. Threaded fastener case plays supporting role to the guard gate through fixed cover for the guard gate hangs aloft, does not receive the hindrance on ground when making the guard gate rotate, in order to make things convenient for the rotation of guard gate, installs bolt lock 12 on connecting pipe 81 simultaneously, installs on the wall body 14 with bolt lock 12 complex hasp 13, make the guard gate can switch between two kinds of states of leading to the closed door opening, thereby make things convenient for constructor to be under construction in the elevator well.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides an elevartor shaft guard gate structure, includes rectangle protective frame, its characterized in that: the rectangular protective frame comprises two supporting tubes (1) and two transverse tubes (2), the two transverse tubes (2) are positioned between two ends of the two supporting tubes (1), the transverse tubes (2) are inserted into the supporting tubes (1), locking assemblies (4) used for locking the supporting tubes (1) and the transverse tubes (2) are arranged between the supporting tubes (1) and the transverse tubes (2), fixing assemblies (10) used for fixing the supporting tubes (1) and a wall body (14) are arranged on the supporting tubes (1), a plurality of connecting holes (6) are formed in the outer peripheral surfaces of the two transverse tubes (2), the connecting holes (6) are distributed at intervals along the length direction of the transverse tubes (2), the hole sites of the two groups of connecting holes (6) correspond to each other one by one, a plurality of vertical tubes (7) are inserted between the two transverse tubes (2), and the vertical tubes (7) are inserted into the connecting holes (6), the vertical pipes (7) are provided with two groups, and warning components (8) are connected between one ends, far away from the transverse pipes (2), of the vertical pipes (7).
2. An elevator shaft guard door structure according to claim 1, characterized in that: the locking assembly (4) comprises a locking bolt (41), through holes (5) for the locking bolt (41) to pass through are formed in the outer peripheral surfaces of the supporting tube (1) and the transverse tube (2), and the locking bolt (41) passes through the through holes (5) and is connected with a locking nut (42) in a threaded mode.
3. An elevator shaft guard door structure according to claim 2, characterized in that: stay tube (1) with be equipped with elbow bend (3) between violently managing (2), stay tube (1) with the one end of elbow bend (3) is pegged graft, violently manage (2) with the other end of elbow bend (3) is pegged graft, also open on elbow bend (3) through-hole (5), locking bolt (41) lock nut (42) will elbow bend (3) with stay tube (1) violently manage (2) locking respectively.
4. An elevator shaft guard door structure according to claim 1, characterized in that: warning subassembly (8) include two connecting pipes (81), connecting pipe (81) are located two between stay tube (1), connecting pipe (81) with stay tube (1) is pegged graft, every group standpipe (7) are kept away from violently manage (2) one end all with connecting pipe (81) are pegged graft, two it has warning sign (82) to peg graft between connecting pipe (81).
5. An elevator shaft guard door structure according to claim 4, characterized in that: two the outer peripheral face of connecting pipe (81) all caves in recess (9), recess (9) are followed the length direction of connecting pipe (81) extends the setting, warning sign (82) are pegged graft in recess (9), warning sign (82) with recess (9) sliding connection.
6. An elevator shaft guard door structure according to claim 1, characterized in that: the fixing component (10) comprises a sleeve (101) sleeved with the supporting tube (1), the sleeve (101) is in sliding connection with the supporting tube (1), a fixing plate (102) is fixedly connected to the outer peripheral surface of the sleeve (101), and the fixing plate (102) is fixedly connected with the wall (14) through a threaded fastener.
7. An elevator shaft guard door structure according to claim 6, characterized in that: the number of the fixing assemblies (10) is not less than two.
8. An elevator shaft guard door structure according to claim 6, characterized in that: the sleeve (101) is connected with a limiting piece for limiting the supporting tube (1) to slide relative to the sleeve (101).
9. An elevator shaft protective door structure according to claim 8, characterized in that: the locating part includes spacing ring (11), spacing ring (11) with stay tube (1) cup joints fixedly, the up end of sleeve (101) with the lower terminal surface butt of spacing ring (11).
10. An elevator shaft guard door structure according to claim 4, characterized in that: the outer peripheral face of connecting pipe (81) is installed bolt lock (12), be equipped with on wall body (14) with bolt lock (12) complex hasp (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022291995.5U CN213710865U (en) | 2020-10-15 | 2020-10-15 | Elevator shaft protective door structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022291995.5U CN213710865U (en) | 2020-10-15 | 2020-10-15 | Elevator shaft protective door structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213710865U true CN213710865U (en) | 2021-07-16 |
Family
ID=76799011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022291995.5U Expired - Fee Related CN213710865U (en) | 2020-10-15 | 2020-10-15 | Elevator shaft protective door structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213710865U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113979272A (en) * | 2021-11-10 | 2022-01-28 | 上海外高桥造船有限公司 | Protective door |
-
2020
- 2020-10-15 CN CN202022291995.5U patent/CN213710865U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113979272A (en) * | 2021-11-10 | 2022-01-28 | 上海外高桥造船有限公司 | Protective door |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102808509B (en) | Pouring construction method for anchor assembly of prefabricated concrete prefabricated external wall panel | |
| CN213710865U (en) | Elevator shaft protective door structure | |
| CN211110946U (en) | Aerial work platform | |
| US11805750B2 (en) | Vent for livestock stall | |
| CN205604689U (en) | Socket scaffold | |
| CN116838069B (en) | Scaffold for construction | |
| CN204174902U (en) | Scaffold | |
| CN212008049U (en) | Semi-grouting sleeve test piece grouting frame with assembled structure | |
| CN203129621U (en) | Connecting part for corners of edge-adjacent protection rails | |
| US11359374B2 (en) | Leg-carriage type trusses | |
| CN207620417U (en) | Skirt guardrail insertion connector is faced in a kind of construction | |
| CN211173036U (en) | Socket type triangular operation frame | |
| CN218060709U (en) | Connecting piece for assembled steel structure for building | |
| CN219175930U (en) | Horizontal protection device for elevator shaft | |
| CN221761318U (en) | Protective platform for high-rise building construction | |
| CN220954786U (en) | Simple and easy and efficient safety protection railing | |
| CN221998857U (en) | Isosceles triangle platform device convenient to assemble | |
| CN213626940U (en) | Rail guard is used in planning of building city | |
| CN213898046U (en) | A connection structure for climbing frame | |
| CN219412164U (en) | Safety guard rail for civil engineering | |
| CN216109254U (en) | Pre-buried structure of structure floor prestressing force pipeline | |
| CN216840112U (en) | Curtain wall upright post connecting device | |
| CN216239024U (en) | Wall connecting piece | |
| CN216043402U (en) | Safety door for construction labor service | |
| CN218814391U (en) | Assembled steel structure node component device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210716 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |