CN222350300U - Elevartor shaft protective structure of separation sewage - Google Patents
Elevartor shaft protective structure of separation sewage Download PDFInfo
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- CN222350300U CN222350300U CN202420952540.9U CN202420952540U CN222350300U CN 222350300 U CN222350300 U CN 222350300U CN 202420952540 U CN202420952540 U CN 202420952540U CN 222350300 U CN222350300 U CN 222350300U
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- 239000010865 sewage Substances 0.000 title claims abstract description 39
- 238000000926 separation method Methods 0.000 title claims abstract description 27
- 230000001681 protective effect Effects 0.000 title abstract description 11
- 230000000903 blocking effect Effects 0.000 claims description 25
- 238000005192 partition Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 12
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000005406 washing Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 13
- 239000010959 steel Substances 0.000 description 13
- 239000002699 waste material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Sewage (AREA)
Abstract
本实用新型属于防护装置技术领域，尤其涉及一种分离污水的电梯井防护结构。本实用新型提供一种分离污水的电梯井防护结构，其包括设置在电梯井道口上的防护单元和设置在所述防护单元下端的分离单元，分离单元具体由位于防护单元下端的料斗以及料斗底部的底板组件构成，底板组件上设置有排出污水的排水阀，使得：该分离污水的电梯井防护结构能够在有效防止人员高空坠落的基础上，进一步实现对于倾倒洗泵管等施工污水的分离回收，整体结构安全、节能、环保。
The utility model belongs to the technical field of protective devices, and in particular, relates to an elevator shaft protective structure for separating sewage. The utility model provides an elevator shaft protective structure for separating sewage, which includes a protective unit arranged on the elevator shaft opening and a separation unit arranged at the lower end of the protective unit. The separation unit is specifically composed of a hopper located at the lower end of the protective unit and a bottom plate assembly at the bottom of the hopper. A drainage valve for discharging sewage is arranged on the bottom plate assembly, so that: the elevator shaft protective structure for separating sewage can further realize the separation and recovery of construction sewage such as dumping and washing pump pipes on the basis of effectively preventing personnel from falling from high altitudes, and the overall structure is safe, energy-saving and environmentally friendly.
Description
Technical Field
The utility model belongs to the technical field of protection devices, and particularly relates to an elevator shaft protection structure for separating sewage.
Background
With the rapid development of modern cities, the number of high-rise buildings is continuously increasing, and elevators become indispensable vehicles in people's daily lives. However, safety problems of elevators are often of concern, especially when workers dump refuse and sewage during construction of a building, the risk of falling from the high part of the elevator shaft is very high. The existing common protection device has the advantages of steel pipe protection, lower cost and convenient installation, but the structure is possibly unstable, and the protection effect is poor due to the fact that the existing common protection device cannot bear huge impact.
The utility model discloses a protection device for an elevator shaft of a construction operation layer, which comprises a steel bar underframe and a protection structure, wherein a plurality of underframe horizontal fixing steel bars are transversely and fixedly connected to the inner wall surface of the steel bar underframe, the protection structure comprises a plurality of cone top hanging rings which are fixedly connected to the tops of the underframe horizontal fixing steel bars, a plurality of cone oblique fixing steel bars are fixedly connected to the tops of the two side surfaces of the cone top hanging rings, the other ends of the cone oblique fixing steel bars are fixedly connected to the tops of the steel bar underframe, a plurality of rectangular steel bar meshes are fixedly connected to the surfaces of the plurality of cone oblique fixing steel bars, the four corners of the inner wall of the steel bar underframe are fixedly connected with the underframe oblique fixing steel bars, and the other ends of the underframe oblique fixing steel bars are fixedly connected with the bottoms of the cone top hanging rings.
The elevator shaft protecting device for the construction operation layer has the advantages that after the elevator shaft operating platform is lifted, the device is lifted to a working surface by utilizing the conical top lifting ring of the elevator shaft protecting device, the longitudinal and transverse directions of the device are adjusted according to the size of an elevator shaft, a reinforcing steel bar bottom frame of the device is propped against the inner side of a wall body template of the elevator shaft to prevent the device from horizontal displacement, after the concrete pouring of the operation layer is completed, the device is lifted to a ground storage area through the conical top lifting ring, and enters the next circulation for repeated use after the lifting of the elevator shaft operating platform is completed, the device solves the problem that the protection effect of the horizontal opening of the elevator shaft is poor due to no effective drawknot in the construction operation layer, improves the safety in construction, and is beneficial to the use of the elevator construction operation.
However, the construction operation floor elevator shaft protection device has at least the following defects in the actual use process, in other words, the technical problem to be solved by the utility model is that the construction operation floor elevator shaft protection device improves the protection effect, but the condition that a constructor always dumps pump pipe sewage into an elevator shaft is not improved, and environmental pollution and material waste are caused.
Therefore, in view of the above, there is an urgent need for a hoistway protection structure that can separate and treat sewage and effectively prevent personnel from falling to solve such problems.
Disclosure of utility model
The utility model provides an elevator shaft protection structure for separating sewage, which comprises a protection unit arranged on an elevator shaft port and a separation unit arranged at the lower end of the protection unit, wherein the separation unit is specifically composed of a hopper positioned at the lower end of the protection unit and a bottom plate component arranged at the bottom of the hopper, and a drain valve for draining sewage is arranged on the bottom plate component, so that the elevator shaft protection structure for separating sewage can further realize separation and recovery of construction sewage such as dumping and washing pump pipes on the basis of effectively preventing personnel from falling aloft, and the whole structure is safe, energy-saving and environment-friendly.
The elevator shaft protection structure for separating sewage comprises a protection unit arranged on an elevator shaft port and a separation unit arranged at the lower end of the protection unit, wherein the separation unit comprises a hopper arranged at the lower end of the protection unit, a bottom plate assembly arranged at the bottom of the hopper and a drain valve arranged on the bottom plate assembly.
The further preferable technical scheme is that the bottom plate assembly comprises a central plate arranged at the center of the hopper, a plurality of bottom plates which are arranged around the central plate and connected with the side wall of the hopper to form a closed bottom surface, a first blocking member which is vertically arranged on the bottom plate and used for forming a runner flowing from the central plate to the drain valve, and a plurality of second blocking plates which are arranged on the runner at intervals and have vertical heights gradually reduced along the direction of the runner.
The further preferable technical scheme is that the first blocking member comprises a blocking side plate, one end of the blocking side plate is arranged on the corner of the central plate, which is close to the drain valve, and the other end of the blocking side plate is connected with the inner side wall of the hopper, a U-shaped partition plate is arranged on the end of the blocking side plate, which is far away from the inner side wall of the hopper and is used for enclosing the central plate, and the opening of the U-shaped partition plate faces the inner side wall of the hopper, which is connected with the blocking side plate.
The further preferable technical scheme is that the protection unit comprises a bottom frame arranged on the periphery of the elevator shaft mouth, at least two main keels arranged on the bottom frame and extending from corners of the bottom frame to the upper center, and a top frame arranged at the upper end of the main keels and connected with the main keels and provided with water inlets.
The further preferable technical scheme is that the protection unit further comprises a plurality of secondary keels which are arranged between the main keels and used for reinforcing the main keels.
The further preferable technical scheme is that the protection unit further comprises a locking device which is arranged at the side end of the underframe and used for connecting/disconnecting the hopper.
The further preferable technical scheme is that the locking device comprises a first screw hole plate arranged on the underframe, a second screw hole plate arranged on the hopper and positioned right below the first screw hole plate, and a bolt A used for connecting the first screw hole plate and the second screw hole plate.
The further preferable technical scheme is that the separation unit further comprises a connecting plate arranged on the outer side of the hopper, a screw hole embedded plate arranged on the well wall of the elevator shaft mouth, and a bolt B arranged on the connecting plate and used for connecting the screw hole embedded plate.
The further preferable technical scheme is that the separation unit further comprises a movable connecting device which is arranged at the joint of the central plate and the bottom plate and is used for connecting/separating the central plate and the bottom plate.
The movable connecting device comprises a convex edge which is arranged on the side edge of the central plate and parallel to the bottom plate, a slot which is arranged on the convex edge, a bulge which is arranged on the bottom plate and penetrates through the slot, a through hole which is arranged on the bulge, and a bolt C which is arranged on the bulge and penetrates through the through hole.
The further preferable technical scheme is that the separation unit further comprises a lifting lug arranged on the outer side wall of the hopper.
Further preferred technical proposal is that the inner surface of the hopper and the surface of the bottom plate component are provided with an anti-corrosion coating.
Drawings
FIG. 1 is an overall top view of the present utility model;
FIG. 2 is a top view of a separation unit of the present utility model;
FIG. 3 is a front view of an embodiment of the present utility model;
FIG. 4 is a second front view of an embodiment of the present utility model;
FIG. 5 is a partial elevation view of a third embodiment of the present utility model;
Fig. 6 is a schematic diagram of a second track according to an embodiment of the present utility model.
In the drawings, the meanings of the reference numerals are as follows:
elevator shaft opening a;
A protection unit 1 and a separation unit 2;
The main joist 12, the top frame 13, the secondary joist 14, the locking device 15, the hopper 21, the bottom plate assembly 22, the drain valve 23, the connecting plate 24, the screw hole embedded plate 25, the bolt B26 and the movable connecting device 27;
The first screw plate 151, the second screw plate 152, the bolt a153, the center plate 221, the ramp 222, the flange 271, the groove 272, the protrusion 273, the through hole 274, and the bolt C275.
Detailed Description
The following detailed description of the embodiments of the utility model is provided merely as a preferred embodiment of the utility model and is not intended to limit the scope of the utility model.
The terms of orientation such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possible in this specification are defined with respect to the configurations shown in the drawings, and the terms "inner" and "outer" refer to the relative concepts of the terms toward or away from the geometric center of a particular component, respectively, and thus may be changed accordingly depending on the location and use state of the component. These and other directional terms should not be construed as limiting terms.
Example 1
As shown in fig. 1-5, the application provides a protection structure of an elevator shaft for separating sewage, which comprises a protection unit 1 arranged on an elevator shaft port a, and a separation unit 2 arranged at the lower end of the protection unit 1, wherein the separation unit 2 comprises a hopper 21 arranged at the lower end of the protection unit 1, a bottom plate assembly 22 arranged at the bottom of the hopper 21, and a drain valve 23 arranged on the bottom plate assembly 22.
In this embodiment, the general method of using the hoistway protection structure for separating sewage is as follows:
The whole structure is erected on an elevator shaft opening a and is divided into an upper part and a lower part according to functions, the upper part is a protection unit 1, galvanized square pipes and round pipes can be welded to form the elevator shaft opening a, the elevator shaft opening a is used for preventing constructors from carelessly falling when approaching the elevator shaft, the lower part is a separation unit 2, the elevator shaft opening a is specifically provided with a hopper 21 connected to the lower end of the protection unit 1 and a bottom plate assembly 22 used for sealing the bottom of the hopper 21 and filtering sewage impurities in a staggered manner, a drain valve 23 is arranged on the bottom plate assembly 22, the hopper 21 and the bottom plate assembly 22 can be arranged as iron plates, the drain valve 23 is preferably galvanized steel pipes, when constructors pour sewage mixed with stones such as a pump washing pipe into the elevator shaft, the solid wastes such as stones are supported by the bottom plate assembly 22 to avoid polluting wastes caused by falling into the bottom of the elevator shaft opening, filtered liquid sewage flows to the drain valve 23, recycling of the solid wastes is realized, the liquid sewage is not discharged at will to pollute the environment, and multiple functions such as safety of personnel are provided.
The bottom plate assembly 22 includes a center plate 221 disposed at the center of the hopper 21, a plurality of bottom plates 222 disposed around the center plate 221 and connected to the side walls of the hopper 21 to form a closed bottom surface, a first blocking member 223 vertically disposed on the bottom plates 222 to form a flow passage b from the center plate 221 toward the drain valve 23, and a plurality of second blocking plates 224 spaced apart from the flow passage b and having a vertical height gradually decreasing in the direction of the flow passage b. The first blocking member 223 includes a blocking side plate 2231 having one end disposed at a corner of the central plate 221 near the drain valve 23 and the other end connected to the inner sidewall of the hopper 21, a U-shaped partition 2232 disposed at an end of the blocking side plate 2231 remote from the inner sidewall of the hopper 21 and adapted to enclose the central plate 221, and the U-shaped partition 2232 opening toward the inner sidewall of the hopper 21 connected to the blocking side plate 2231.
In this embodiment, in order to better guide the water flow direction and accelerate the separation of the sewage, the sewage is dumped at the central plate 221 at the center of the bottom plate assembly 22, the drain valve 23 is arranged on the bottom plate, the first blocking member 223 prevents the sewage from directly flowing from the central plate 221 to the drain valve 23, but flows to the drain valve 23 through the spiral flow channel b formed by the first blocking member 223 and the inner side wall of the hopper together, and is deposited and filtered through the plurality of second blocking plates, the impurities are retained on the central plate 221 and the bottom plate 222, the filtered sewage is discharged from the drain valve 23, the drain valve 23 is prevented from being blocked by silt stones, the first blocking member 223 enables the sewage to have only one directional outlet through the U-shaped baffle 2232, the blocking side plate 2231 blocks the sewage from directly flowing to the drain valve 23 without being filtered, the sewage is ensured to reach the drain valve 23 through the farthest distance to a certain extent, and the filtering quality is improved.
The protection unit 1 comprises a bottom frame 11 arranged on the periphery of an elevator shaft opening a, at least two main keels 12 arranged on the bottom frame 11 and extending from corners of the bottom frame 11 to the upper center, and a top frame 13 arranged at the upper end of the main keels 12 and connected with the main keels 12 and provided with water inlets.
In this embodiment, the underframe 11 is connected around the hoistway mouth a for supporting and fixing the whole structure, at least two main keels 12 extend upward and toward the center on the underframe 11, preferably four main keels extend from four corners respectively, the upper ends of the main keels 12 are sequentially connected and form a water inlet as a top frame 13, the frame material is preferably a galvanized square tube with the height of 10 x 10cm, the structure of the protection unit 1 is preferably a tower with the height of 90cm, and the sewage is poured into the water inlet from the top end of the top frame 13 to complete separation.
The protection unit 1 further includes a plurality of cross runners 14 disposed between the main runners 12 to strengthen the main runners 12.
In this embodiment, in order to further strengthen the protection effect, avoid the people to drop into from the gap between fossil fragments, transversely be connected with a plurality of secondary joists 14 between main joist 12, the horizontal direction sets up one 50.8 pipes as secondary joist 14 every 25cm, increases the density of protecting the railing from this, promotes the operation security.
The guard unit 1 further includes a locking device 15 provided at a side end of the base frame 11 to connect/disconnect the hopper 21.
In this embodiment, in order to enable the selective installation of the structure according to the actual situation, the protection unit 1 and the separation unit 2 are provided in a detachable connection manner, and are connected to each other by the locking device 15, the locking device 15 may be provided in various forms such as a latch, a hook, a buckle, and the like, and are provided in pairs between the hopper 21 and the chassis 11.
The locking device 15 includes a first screw plate 151 provided on the base frame 11, a second screw plate 152 provided on the hopper 21 and located directly below the first screw plate 151, and a bolt a153 for connecting the first screw plate 151 and the second screw plate 152.
In the present embodiment, a specific structure of the locking device 15 is disclosed, including a first screw hole plate 151 and a second screw hole plate 152 provided at the lower end of the chassis 11 and the upper end of the hopper 21, respectively, and the relative positions of the hopper 21 and the chassis 11 are rotated so that the screw holes of the two are aligned and connected using a bolt a 153.
The separation unit 2 further comprises a connecting plate 24 arranged on the outer side of the hopper 21, a screw hole embedded plate 25 arranged on the wall of the elevator shaft opening a, and a bolt B26 arranged on the connecting plate 24 and used for connecting the screw hole embedded plate 25.
In this embodiment, the screw hole embedded plate 25 on the wall of the elevator shaft opening a is correspondingly arranged with the connecting plate 24 on the hopper 21, and is connected with each other by the bolts B26, so that the integral structure can be stably installed on the elevator shaft opening a, and the situation that falling gaps exist due to the movement of the position when the integral structure is impacted by the outside is avoided, and the integral structure is not protected in place, so that construction risks are brought.
The separation unit 2 further comprises lifting lugs arranged on the outer side wall of the hopper 21.
In this embodiment, a lifting lug for the crane is mounted on the outside of the hopper 21 for the purpose of lifting the whole structure for the purpose of discharging waste or recycling.
An anti-corrosive coating is provided on the inner surface of the hopper 21 and the surface of the floor assembly 22.
In this embodiment, in order to avoid damage to the protective structure caused by wind, sun or sewage, the protective structure surface is provided with an anti-corrosion layer to prolong the service life.
Example two
As a further preferred embodiment, the difference between this embodiment and the first embodiment is that a movable connecting device is added, as shown in fig. 6, specifically as follows:
The separation unit 2 further comprises an articulation device 27 arranged at the junction of the central plate 221 and the ramp 222 and adapted to connect/disconnect the central plate 221 with/from the ramp 222.
In this embodiment, since part of the waste such as stones and residues remains on the bottom plate assembly 22 after the sewage is poured into the separation unit 2 and needs to be recovered, the manner of turning over the hopper 21 is very inconvenient, and the application of the application is implemented in the elevator shaft, the size of the protection structure is large, and therefore, the movable connecting device 27 is arranged at the connection position of the central plate 221 and the ramp 222, and the central plate 221 and the ramp 222 are separated/connected by switching the movable connecting device 27, so that the waste residues can be discharged more conveniently.
The movable coupling means 27 comprises a flange 271 provided on a side of the center plate 221 and parallel to the ramp 222, a slot 272 provided on the flange 271, a protrusion 273 provided on the ramp 222 and passing through the slot 272, a through hole 274 provided on the protrusion 273, and a bolt C275 provided on the protrusion 273 and passing through the through hole 274.
In this embodiment, the convex edge 271 is formed on the side of the central plate 221 to intersect with the protrusion 273, the protrusion 273 passes through the slot 272 to form a pre-locking, the through hole 274 is provided as a threaded hole, the bolt C275 is a stud bolt and is mounted on the through hole 274 to complete locking, otherwise, the removal of the bolt C275 from the slot 272 can complete the detachment of the central plate 221 from the bottom plate assembly 22, thereby achieving discharging.
The movable connecting device additionally arranged in the embodiment has the advantages that the fixed structure of the embodiment is changed into a movable connecting structure, the sewage separating function is ensured, meanwhile, the waste stones in the sewage are further conveniently discharged, and the site construction efficiency is improved.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiments, and various modifications may be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model. These are all non-inventive modifications which are intended to be protected by the patent laws within the scope of the appended claims.
Claims (10)
1. The elevator shaft protection structure for separating sewage is characterized by comprising a protection unit (1) arranged on an elevator shaft opening (a), a separation unit (2) arranged at the lower end of the protection unit (1), a hopper (21) arranged at the lower end of the protection unit (1), a bottom plate assembly (22) arranged at the bottom of the hopper (21) and a drain valve (23) arranged on the bottom plate assembly (22).
2. The structure of claim 1, wherein the bottom plate assembly (22) comprises a center plate (221) disposed at the center of the hopper (21), a plurality of bottom plates (222) disposed around the center plate (221) and connected to the side walls of the hopper (21) to form a closed bottom, a first blocking member (223) vertically disposed on the bottom plates (222) to form a flow passage (b) from the center plate (221) to the drain valve (23), and a plurality of second blocking plates (224) disposed on the flow passage (b) at intervals with a vertical height gradually decreasing in the direction of the flow passage (b).
3. The elevator shaft protecting structure for separating sewage according to claim 2, wherein the first blocking member (223) comprises a blocking side plate (2231) having one end disposed on a corner of the center plate (221) near the drain valve (23) and the other end connected to an inner side wall of the hopper (21), a U-shaped partition plate (2232) disposed on an end of the blocking side plate (2231) away from the inner side wall of the hopper (21) and surrounding the center plate (221), and the U-shaped partition plate (2232) is opened toward the inner side wall of the hopper (21) connected to the blocking side plate (2231).
4. The structure according to claim 1, wherein the protection unit (1) comprises a bottom frame (11) arranged around the hoistway mouth (a), at least two main keels (12) arranged on the bottom frame (11) and extending from corners of the bottom frame (11) to the upper center, and a top frame (13) arranged at the upper end of the main keels (12) and connected with the main keels (12) and provided with water inlets.
5. The structure according to claim 4, wherein the protection unit (1) further comprises a plurality of cross runners (14) disposed between the main runners (12) to strengthen the main runners (12).
6. The shaft protection structure for separating sewage according to claim 4, wherein the protection unit (1) further comprises a locking means (15) provided at a side end of the bottom frame (11) for coupling/uncoupling the hopper (21).
7. The elevator shaft protecting structure for separating sewage according to claim 6, wherein the locking means (15) comprises a first screw plate (151) provided on the bottom frame (11), a second screw plate (152) provided on the hopper (21) and located directly below the first screw plate (151), and a bolt A (153) for connecting the first screw plate (151) and the second screw plate (152).
8. The structure according to claim 1, wherein the separation unit (2) further comprises a connection plate (24) provided on the outside of the hopper (21), a screw hole pre-buried plate (25) provided on the wall of the hoistway entrance (a), and a bolt B (26) provided on the connection plate (24) and connected to the screw hole pre-buried plate (25).
9. The elevator shaft protecting structure for separating sewage according to claim 2, wherein the separating unit (2) further comprises a movable connecting means (27) provided at the junction of the center plate (221) and the bottom plate (222) and for connecting/separating the center plate (221) and the bottom plate (222).
10. The structure of claim 9, wherein the movable coupling means (27) comprises a flange (271) provided on a side of the center plate (221) and parallel to the bottom plate (222), a groove (272) provided on the flange (271), a protrusion (273) provided on the bottom plate (222) and passing through the groove (272), a through hole (274) provided on the protrusion (273), and a bolt C (275) provided on the protrusion (273) and passing through the through hole (274).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420952540.9U CN222350300U (en) | 2024-05-06 | 2024-05-06 | Elevartor shaft protective structure of separation sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420952540.9U CN222350300U (en) | 2024-05-06 | 2024-05-06 | Elevartor shaft protective structure of separation sewage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222350300U true CN222350300U (en) | 2025-01-14 |
Family
ID=94197501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420952540.9U Active CN222350300U (en) | 2024-05-06 | 2024-05-06 | Elevartor shaft protective structure of separation sewage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222350300U (en) |
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2024
- 2024-05-06 CN CN202420952540.9U patent/CN222350300U/en active Active
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