CN217400424U - Movable protective cylinder for short-time field operation in foundation pit - Google Patents
Movable protective cylinder for short-time field operation in foundation pit Download PDFInfo
- Publication number
- CN217400424U CN217400424U CN202221055332.6U CN202221055332U CN217400424U CN 217400424 U CN217400424 U CN 217400424U CN 202221055332 U CN202221055332 U CN 202221055332U CN 217400424 U CN217400424 U CN 217400424U
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- protective cylinder
- protective
- foundation pit
- short
- thick bamboo
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- 230000001681 protective effect Effects 0.000 title claims abstract description 64
- 238000003466 welding Methods 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 238000010276 construction Methods 0.000 abstract description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 13
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 13
- 241001330002 Bambuseae Species 0.000 abstract description 13
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 13
- 239000011425 bamboo Substances 0.000 abstract description 13
- 239000002689 soil Substances 0.000 description 9
- 230000000903 blocking effect Effects 0.000 description 6
- 229910000746 Structural steel Inorganic materials 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000011378 shotcrete Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model provides a portable protection section of thick bamboo of short time place operation in foundation ditch, wherein the articulated shutoff door that is equipped with in protection section of thick bamboo top, protection section of thick bamboo lateral wall are equipped with open operation window, and the edge welding is equipped with the round polygon and prevents the deformation circle in the protection bottom. Utilize a protection section of thick bamboo and operation window, the shutoff door structure, realize the protection of the last line of defence form of similar "safety belt" theory, operating personnel can stretch out the operation window with both hands in a protection section of thick bamboo and carry out the fixed point operation, and close the shutoff door, even the foundation ditch local landing, bury even, under the protection of the rigidity of a protection section of thick bamboo self and top shutoff door, form a protective housing in the foundation ditch construction for operating personnel, ensure operating personnel personal safety, the deformation force that the shape circle can resist that a protection section of thick bamboo receives makes its form just simultaneously to can prevent that the barrel from sinking into earth, effectively reduce the operation safety risk of little ditch foundation ditch under controllable cost, promote the construction environment and ensure operating personnel's personal safety.
Description
Technical Field
The utility model belongs to the technical field of foundation ditch operation equipment, concretely relates to portable protective barrel of short time place operation in foundation ditch.
Background
In recent years, infrastructure construction engineering is greatly developed, foundation pit engineering is seen everywhere, and due to the rise of the engineering field such as urban updating and the like, the number of groove type small foundation pits is increased day by day, the foundation pits have the characteristics of small excavation depth, small foundation pit space, high protection cost and the like, and the method is suitable for constructors to implement local fixed-point operation.
The conventional small foundation pit is complicated by the surrounding environment of the groove foundation pit, slope-setting excavation basically has no condition, the most effective method for the construction of the conventional foundation pit adopts a steel sheet pile measure for protection, and belongs to a form of preventing before digging and after digging, because the protection cost is high, and the cost needs to be born by a construction unit basically, therefore, the form of preventing after digging is adopted for the operation of the small groove foundation pit, the existing form of preventing after digging is basically sprayed concrete or a steel plate and a cross brace protection form, because the sprayed concrete construction cost is high, the pollution is large, and the steel plate and the cross brace protection construction is slow, the operation in the foundation pit is required by workers, so that the construction environment is severe and the operation risk is high. At the moment, no supporting facilities are arranged inside the foundation pit for protection, if the soil quality of the foundation pit wall is unstable or is influenced by underground water and rainfall, the soil quality is easy to slide, so that burying accidents are caused, and the personal safety of operators is influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to above-mentioned prior art, the utility model provides a portable protective barrel of short time place operation in foundation ditch for effectively reduce the operation safety risk of little slot foundation ditch under controllable cost, promote construction environment and ensure operation personnel's personal safety.
The utility model discloses a following technical scheme implements: the utility model provides a portable protective barrel of short time site operation in foundation ditch, includes protective barrel, protective barrel is the cavity barrel of both ends open-ended, and its open-top is equipped with the shutoff door, the shutoff door through hinge mount in protective barrel top forms articulated assembly, protective barrel lateral wall is equipped with open operating window, the border welding is equipped with round shape circle of preapring for an unfavorable turn of events in the protective barrel bottom, preapring for an unfavorable turn of events shape circle is the regular polygon body of welding constitution is encircleed by a plurality of reinforcing bars, be equipped with the sliding window in the protective barrel, operating window's inner wall department is equipped with two slides of horizontal arrangement, the sliding window is the steel sheet that has the radian, the slide is the arc body strip body that the cross-section is L shape for the billet welding makes, two borders of sliding window imbed in the slide.
Furthermore, the inner wall of the plugging door is welded with angle iron, the angle iron is provided with a bolt in a penetrating mode towards the folded edge of the inner wall of the protection cylinder, and the inner wall of the protection cylinder is provided with a screw hole concentric with the bolt.
Furthermore, the number of straight sides of the regular polygon formed by the plurality of steel bars in a surrounding welding mode is more than or equal to 6.
Further, a plurality of step boards are arranged on the inner wall of the protective cylinder, and the step boards are longitudinally arranged in parallel.
Furthermore, the outer wall of the protective cylinder is provided with a plurality of step boards, and the step boards are longitudinally arranged in parallel.
Furthermore, a plurality of lifting lugs are welded on the outer wall of the protective cylinder.
Furthermore, the welding connection part of the protection cylinder and the deformation prevention ring is in intermittent welding.
Furthermore, the inner diameter of the protective cylinder is more than or equal to 1.8 m.
The utility model has the advantages that: the utility model discloses utilize a protection section of thick bamboo and operation window, shutoff door structure, realize the protection of the last one line of defence line form of similar "safety belt" theory, operating personnel can stretch out operating window with both hands in a protection section of thick bamboo and carry out the fixed point operation, and close the shutoff door, even the local landing of foundation ditch, bury even, under the protection of the rigidity of a protection section of thick bamboo self and top shutoff door, form a protective housing in the foundation ditch construction for operating personnel, ensure operating personnel personal safety, because only need with operating window to the operation fixed point, all the other peripheries all are sealed by the casing, can effectively prevent the sputter dust of concrete injection construction, the just multilateral physique of shape circle of preapring for an unfavorable turn of events in the bottom simultaneously can resist the deformation force that a protection section of thick bamboo received and make its form just right, and can prevent that the barrel is absorbed in earth, in addition, a protection section of thick bamboo, shutoff door and parts such as shape circle of preapring for an unfavorable turn all can adopt on-site steel to protect a section of thick bamboo, The steel plate and the steel bar are welded, the investment cost is low, the material drawing is simple, the installation is convenient, the recycling can be carried out for many times, the engineering cost is saved, the operation safety risk of the small groove foundation pit is effectively reduced under the controllable cost, the construction environment is improved, and the personal safety of operators is ensured.
Drawings
Fig. 1 is a side view of the structure of an embodiment of the present invention;
fig. 2 is a top view of an embodiment of the present invention;
fig. 3 is a schematic view of a closed state according to an embodiment of the present invention.
In the figure: 10-protective cylinder, 11-plugging door, 11 a-hinge, 11 b-angle iron, 11 c-bolt, 11 d-screw hole, 12-operation window, 13-anti-deformation ring, 13 a-reinforcing steel bar, 14-sliding window, 15-slideway, 16-step plate and 17-lifting lug.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples.
As shown in fig. 1-2, a movable protective cylinder 10 for short-time field operation in a foundation pit comprises a protective cylinder 10, wherein the protective cylinder 10 is a hollow cylinder with two open ends, the top opening of the protective barrel is provided with a blocking door 11, the blocking door 11 is arranged at the top of the protective barrel 10 through a hinge 11a and forms a hinged assembly, the side wall of the protection cylinder 10 is provided with an open operation window 12, the inner edge of the bottom of the protection cylinder 10 is welded with a circle of deformation-preventing ring 13, the deformation-preventing ring 13 is a regular polygon body formed by a plurality of steel bars 13a which are encircled and welded, a sliding window 14 is arranged in the protective cylinder 10, two slide ways 15 which are horizontally arranged are arranged on the inner wall of the operation window 12, the slide window 14 is a steel plate with radian, the slide way 15 is an arc-shaped strip body with an L-shaped section formed by welding steel bars, and two edges of the sliding window 14 are embedded into the slide way 15.
In the operation of the embodiment, the protective cylinder 10 is lifted to the small groove foundation pit by the crane trolley, the operation window 12 is ensured to be aligned with the part needing operation and maintenance, then the operator enters the top of the protective cylinder 10 through the step plate 16 on the outer wall, then pulls the blocking door 11 open and enters the protective cylinder 10 along the gap, supports the blocking door 11 from the inside to be slowly closed while climbing into the cylinder along the step plate 16 on the inner wall, and then can extend the two hands out of the operation window 12 to carry out fixed-point operation (such as welding and repairing) on the operation surface, because the operation surface aligned with the operation window 12 usually has obstacles and the other directions are sealed by the inner wall of the protective cylinder 10 and the blocking door 11, the sputtered dust in concrete spraying construction can be effectively prevented, and when the soil body slides down due to unstable soil quality, the obstacles in front of the wall of the protective cylinder 10, the blocking door 11 and the operation window 12 can effectively prevent the soil body from permeating, the protective shell is formed in the foundation pit construction for an operator, the personal safety of the operator is ensured, burying accidents are prevented, the regular polygonal body of the bottom anti-deformation ring 13 can resist the deformation force borne by the protective barrel 10 to enable the shape of the protective barrel to be regular, the contact area with the ground can be increased, and therefore the protective barrel is prevented from being sunk into soil, the structure that the anti-deformation ring 13 extends towards the inside can ensure that the outer wall of the protective barrel 10 is close to an operation part as much as possible, meanwhile, the external soil cannot be accumulated on the anti-deformation ring 13 due to sliding, and the protective shell is easy to lift and transport; in addition, the parts such as the protective cylinder 10, the plugging door 11 and the deformation-preventing ring 13 can be formed by welding the steel protective cylinder, the steel plate and the steel bars on site, the investment cost is low, the materials are simple to obtain, the installation is convenient, the recycling can be performed for many times, the engineering cost is saved, the operation safety risk of the small groove foundation pit is effectively reduced under the controllable cost, the construction environment is improved, and the personal safety of operators is ensured.
In this embodiment, a sliding window 14 is provided in the protective cylinder 10, two horizontally arranged slideways 15 are provided on the inner wall of the operation window 12, and two edges of the sliding window 14 are embedded in the slideways 15. When the working dust in the foundation pit is too large or the particle size of the soil sliding is relatively dispersed, a person in the barrel can pull the sliding window 14 to horizontally slide to the operating window 12 along the slide way 15 to temporarily seal the sliding window (the sealed state is shown in fig. 3), and when the working dust concentration is weakened or the sliding action of the soil body is stopped, the sliding window 14 can be pulled open again to restore the operation, or the plugging door 11 is opened to climb out of the protective barrel 10.
In this embodiment, an angle iron 11b is welded to the inner wall of the sealing door 11, a bolt 11c is inserted into the folded edge of the angle iron 11b facing the inner wall of the protective cylinder 10, a screw hole 11d concentric with the bolt 11c is formed in the inner wall of the protective cylinder 10, and preferably, a knurling pattern is formed at the end of the bolt 11 c. After the operator enters the protection cylinder 10, the bolt 11c can be directly screwed into the screw hole 11d by hand, so that the sealing door 11 is fastened and fixed from the inside, and when the protection cylinder 10 is impacted and vibrated by external force, the closing state of the sealing door 11 is ensured.
In the embodiment, the number of straight sides of the regular polygon formed by welding the plurality of steel bars 13a around the steel bars is greater than or equal to 6, preferably 6, and the formed regular hexagon and regular polygon with more number of sides can form a better circular fixing frame, so that the circular form of the protective cylinder 10 can be effectively stabilized, and the cylindrical form of the protective cylinder 10 can be kept right when in transportation and use.
In this embodiment, the outer wall of the protective cylinder 10 is welded with a plurality of lifting lugs 17, preferably, four lifting lugs 17 are distributed on the outer wall of the protective cylinder 10 in a circumferential array, so as to facilitate the stable lifting of a crane.
In the present embodiment, the welding portion between the shield cylinder 10 and the deformation preventing ring 13 is formed by intermittent welding, and the amount of welding deformation of the shield cylinder 10 is reduced by the intermittent welding to ensure that the circular shape is as correct as possible.
In the embodiment, the inner diameter of the protective cylinder 10 is more than or equal to 1.8m, so that the operator can have enough working activity space in the protective cylinder 10.
The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, and it will be apparent to those skilled in the art that other modifications, changes and equivalents may be made without departing from the scope of the features defined in the claims.
Claims (7)
1. The utility model provides a portable protective cylinder of short time place operation in foundation ditch, includes protective cylinder, its characterized in that: the protective barrel is a hollow barrel with openings at two ends, a plugging door is arranged at the opening of the top of the protective barrel, the plugging door is mounted at the top of the protective barrel through a hinge and forms a hinged assembly, an open operation window is arranged on the side wall of the protective barrel, a circle of deformation-preventing ring is welded on the inner edge of the bottom of the protective barrel, the deformation-preventing ring is a regular polygon formed by surrounding and welding a plurality of steel bars, a sliding window is arranged in the protective barrel, two sliding ways which are horizontally arranged are arranged on the inner wall of the operation window, the sliding window is a steel plate with radian, the sliding ways are arc-shaped body strips which are formed by welding steel bars and have L-shaped sections, and the two edges of the sliding window are embedded in the sliding ways.
2. The movable protective cylinder for short-time field operation in the foundation pit as claimed in claim 1, wherein: the number of straight sides of the regular polygon body formed by the plurality of steel bars in a surrounding welding mode is more than or equal to 6.
3. The movable protective cylinder for short-time field operation in the foundation pit as claimed in claim 1, wherein: the inner wall of the protective cylinder is provided with a plurality of step boards which are longitudinally arranged in parallel.
4. The movable protective cylinder for short-time field operation in the foundation pit as claimed in claim 1, wherein: the protective cylinder outer wall is equipped with a plurality of ladders, and is a plurality of the ladders are vertical setting side by side.
5. The movable protective cylinder for short-time field operation in the foundation pit as claimed in claim 1, wherein: the outer wall of the protective cylinder is welded with a plurality of lifting lugs.
6. The movable protective cylinder for short-time field operation in the foundation pit according to claim 1, wherein: the welding connection part of the protection cylinder and the deformation-preventing ring is in intermittent welding.
7. The movable protective cylinder for short-time field operation in the foundation pit as claimed in claim 1, wherein: the inner diameter of the protective cylinder is more than or equal to 1.8 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221055332.6U CN217400424U (en) | 2022-05-05 | 2022-05-05 | Movable protective cylinder for short-time field operation in foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221055332.6U CN217400424U (en) | 2022-05-05 | 2022-05-05 | Movable protective cylinder for short-time field operation in foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217400424U true CN217400424U (en) | 2022-09-09 |
Family
ID=83142553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221055332.6U Active CN217400424U (en) | 2022-05-05 | 2022-05-05 | Movable protective cylinder for short-time field operation in foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217400424U (en) |
-
2022
- 2022-05-05 CN CN202221055332.6U patent/CN217400424U/en active Active
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| GR01 | Patent grant | ||
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