CN220790692U - Deep foundation pit operation safety device - Google Patents
Deep foundation pit operation safety device Download PDFInfo
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- CN220790692U CN220790692U CN202322536655.8U CN202322536655U CN220790692U CN 220790692 U CN220790692 U CN 220790692U CN 202322536655 U CN202322536655 U CN 202322536655U CN 220790692 U CN220790692 U CN 220790692U
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- movable rod
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- 239000004568 cement Substances 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 8
- 238000009412 basement excavation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model belongs to the technical field of deep foundation pit construction, and particularly relates to a deep foundation pit operation safety protection device which comprises a column, a sleeve and a protection net component, wherein the column is in a circular tube shape, an L-shaped limit notch is formed in the side face of the column, a support is fixed at the top end of the column, a movable rod is arranged at a tube opening at the bottom end of the column in a penetrating mode, a convex column is fixed on the movable rod and penetrates through the L-shaped limit notch, a pointed cone is arranged at the bottom end of the movable rod, the sleeve is arranged on one side of the column in parallel, the sleeve is in a circular tube structure, the inner cavity of the sleeve is matched with the appearance of the column, a notch is formed in the outer side of the sleeve along the axis direction, and the protection net component is arranged between the column and the sleeve. The device has the advantages of simple structure, low cost and convenient maintenance, can be suitable for being used on the earth ground or the cement ground, has the advantages of protecting according to the shape of a foundation pit and being convenient to assemble and disassemble, can be connected into a whole between each safety protection device, and improves the impact resistance.
Description
Technical Field
The utility model belongs to the technical field of deep foundation pit construction, and particularly relates to a deep foundation pit operation safety protection device.
Background
The foundation pit is a soil pit excavated according to the elevation of a substrate and the plane size of the foundation, the excavation scheme is determined according to geological hydrologic data before excavation and by combining the conditions of buildings nearby the site, waterproof drainage work is carried out, a slope-discharging method can be used for the person with the non-deep excavation to stabilize the soil slope, the slope size of the soil slope is determined according to relevant construction regulations, the person with the deep excavation and the vicinity of the building can be used for supporting the foundation pit wall, a concrete wall-protecting method is sprayed, a large foundation pit even adopts methods such as linkage of underground continuous walls and column type bored piles, the soil layer on the outer side is protected, the person with no influence on the nearby buildings can be protected, the underground water level can be reduced by using a well point method, a slope-discharging open excavation can be used for the person with the construction of natural cold air freezing method in cold areas, and the like.
At present, when a deep foundation pit is excavated, a protective device such as a guard rail or a protective net is required to be arranged at the edge so as to prevent nearby operators or extraneous personnel from carelessly falling into the pit, thereby playing a protective role. Most of the existing protective nets are manufactured on site, steel pipes are simply taken as frameworks, the protective nets are bound on the frameworks, when the safety protection is carried out in the mode, the safety and stability of the erected steel pipe support rail are poor, and after the foundation pit construction is completed, the steel pipe support rail is removed again, so that the construction is inconvenient.
As another published Chinese patent, publication number is CN212716158U, a deep foundation pit edge safety protection device is disclosed, the device is convenient to insert into the ground bottom by arranging a fixing mechanism at the bottom of the upright rod, and has a fixing effect; two protection plates are detachably connected between the two vertical rods, and the two protection plates are flexible in lap joint and have the advantages of protection and convenience in disassembly and assembly according to the shape of the foundation pit. However, the device is only suitable for being used on soft soil ground, is not suitable for the hardened flat cement ground, has a complex structure of a fixing mechanism, is high in cost, has a plurality of easily damaged accessories, and is not convenient to maintain; in addition, when the device is arranged at the side of the foundation pit, the devices are independent and cannot be connected into a whole, and the impact resistance is greatly reduced.
For this reason, improvements are needed.
Disclosure of utility model
Aiming at the defects existing in the prior art, the utility model provides a deep foundation pit operation safety protection device, which comprises a stand column, a sleeve and a protection net component, wherein the stand column is in a circular tube shape, an L-shaped limit notch is arranged on the side surface of the stand column, the L-shaped limit notch comprises a vertical part and a horizontal part, a support is fixed at the top end of the stand column, a movable rod penetrates through the pipe orifice at the bottom end of the stand column, a convex column is fixed on the movable rod, the convex column penetrates through the L-shaped limit notch, a pointed cone is arranged at the bottom end of the movable rod, the sleeve is arranged on one side of the stand column in parallel, the sleeve adopts a circular tube structure which penetrates up and down, the inner cavity of the sleeve is matched with the appearance of the stand column, a notch is formed in the outer side of the sleeve along the axial direction, and the protection net component is arranged between the stand column and the sleeve and is used for providing safety protection for operators.
Optionally, the protection network component comprises two cross bars, two vertical bars and a protection network, the protection network is fixedly arranged in a rectangular frame formed by fixing the two cross bars and the two vertical bars, and the left end and the right end of the two cross bars are respectively fixed on the side walls of the upright post and the sleeve.
Optionally, the connection between the two cross bars and the upright is located in the same vertical plane as the L-shaped limit notch.
Specifically, when the upright post of the last safety protection device is inserted into the sleeve of the next safety protection device, the two cross bars and the L-shaped limit notch of the last safety protection device can be positioned at the notch of the sleeve of the next safety protection device, and the matching connection between the two cross bars and the L-shaped limit notch is not affected.
Optionally, the width of the notch on the sleeve is greater than the width of the horizontal portion of the L-shaped limit notch.
Specifically, the L-shaped limit notch can be completely located at the notch of the sleeve, the position of the convex column in the L-shaped limit notch cannot be influenced, and the pointed cone is convenient to retract and extend out of the upright post.
Optionally, when the convex column is shifted to the horizontal part of the L-shaped limit notch, the pointed cone of the movable rod can extend out of the upright column; when the convex column is stirred to the topmost end of the vertical part of the L-shaped limiting notch, the pointed cone of the movable rod can be retracted into the upright column.
The utility model also comprises other components which can ensure that the deep foundation pit operation safety protection device can be normally used, and the components are all conventional technical means in the field. In addition, the devices or components not defined in the present utility model are all conventional in the art.
When the edge of the foundation pit is the earth ground, as the earth is soft and uneven, the convex column can be stirred to the horizontal part position of the L-shaped limit notch firstly, the pointed cone extends out of the upright column, then the upright column of the last safety protection device is inserted into the sleeve of the next safety protection device to enable the upright column and the upright column to be connected into a whole, the pointed cone is inserted into the ground to be fixed, and the corresponding number of safety protection devices can be arranged on each edge of the foundation pit according to the size and the shape of the foundation pit, so that the foundation pit has the advantages of protecting and dismounting convenience according to the shape of the foundation pit, and meanwhile, the safety protection devices on each edge of the foundation pit can be connected into a whole, and the impact resistance is greatly improved; when the edge of the foundation pit is the hardened cement ground, the cement ground is generally flat, the pointed cone is difficult to insert into the ground, at the moment, the protruding column can be firstly poked to the topmost end of the vertical part of the L-shaped limiting notch, the pointed cone of the movable rod is retracted into the upright column, personnel injury caused by the pointed cone is prevented, then the upright column of the last safety protection device is inserted into the sleeve of the next safety protection device, the two safety protection devices are connected into a whole, and then the safety protection devices are integrally placed upside down, so that the support is horizontally placed on the cement ground.
The utility model has the advantages of simple structure, low cost and convenient maintenance, can be suitable for being used on the soil ground with uneven terrain and soft soil or the cement ground with hard and flat soil, has wide application range and high practicability, has the advantages of protecting according to the shape of a foundation pit and convenient disassembly and assembly, and besides, all the safety protection devices can be connected into a whole, thereby greatly improving the integral impact resistance of the device and having remarkable protection effect.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of the movable rod of the present utility model with its pointed cone extending out of the upright.
Fig. 3 is a schematic view of the movable rod of the present utility model with its nose cone retracted into the post.
Fig. 4 is a schematic view of a deep foundation pit operation safety device according to an embodiment when the safety device is used on the earth ground.
Fig. 5 is a schematic view of a deep foundation pit operation safety device according to an embodiment when the safety device is used on a cement floor.
In the figure: 1. the protection net comprises an upright post, a sleeve, a protection net component, a 4.L-shaped limit notch, a movable rod, a boss, a pointed cone, a notch, a support, a cross rod, a vertical rod and a protection net.
Detailed Description
The present utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the utility model are shown, and in which embodiments of the utility model are shown. All other embodiments, modifications, equivalents, improvements, etc., which are apparent to those skilled in the art without the benefit of this disclosure, are intended to be included within the scope of this utility model.
Examples
As shown in fig. 1-3, the embodiment of the utility model provides a deep foundation pit operation safety protection device, which comprises a stand column 1, a sleeve 2 and a protection net component 3, wherein the stand column 1 is in a circular tube shape, an L-shaped limit notch 4 is arranged on the side surface of the stand column 1, the L-shaped limit notch 4 comprises a vertical part and a horizontal part, a support 9 is fixed at the top end of the stand column 1, a movable rod 5 is penetrated at a pipe orifice of the bottom end of the stand column 1, a convex column 6 is fixed on the movable rod 5, the convex column 6 penetrates through the L-shaped limit notch 4, a pointed cone 7 is arranged at the bottom end of the movable rod 5, the sleeve 2 is arranged on one side of the stand column 1 in parallel, the sleeve 2 adopts a circular tube-shaped structure penetrating up and down, the inner cavity of the sleeve 2 is matched with the appearance of the stand column 1, and a notch 8 is formed in the outer side of the sleeve 2 along the axial direction.
The protection network component 3 is arranged between the upright post 1 and the sleeve 2 and is used for providing safety protection for operators, the protection network component 3 comprises two cross bars 10, two vertical bars 11 and a protection network 12, the protection network 12 is fixedly arranged in a rectangular frame formed by fixing the two cross bars 10 and the two vertical bars 11, and the left end and the right end of the two cross bars 10 are respectively fixed on the side walls of the upright post 1 and the sleeve 2.
The joint between the two cross bars 10 and the upright 1 is located in the same vertical plane with the L-shaped limit notch 4, so that when the upright 1 of the previous safety device is inserted into the sleeve 2 of the next safety device, the two cross bars 10 and the L-shaped limit notch 4 of the previous safety device can be located at the notch 8 of the sleeve 2 of the next safety device without affecting the fit connection between the two.
The width of the notch 8 on the sleeve 2 is larger than the width of the horizontal part of the L-shaped limit notch 4, so that the L-shaped limit notch 4 can be ensured to be completely positioned at the notch 8 of the sleeve 2, the position of the convex column 6 in the L-shaped limit notch 4 cannot be influenced, and the pointed cone 7 is convenient to retract and extend out of the upright column 1.
As shown in fig. 2, when the convex column 6 is shifted to the horizontal part of the L-shaped limit notch 4, the pointed cone 7 of the movable rod 5 can extend out of the upright column 1; as shown in connection with fig. 3, the pointed cone 7 of the movable rod 5 can be retracted into the upright 1 when the boss 6 is pushed to the top end of the vertical portion of the L-shaped limit slot 4.
The working principle of the utility model is that when the edge of the foundation pit is the earth ground, as the earth is soft and uneven, the convex column 6 can be stirred to the horizontal part position of the L-shaped limit notch 4, the pointed cone 7 extends out of the upright column 1, then the upright column 1 of the last safety protection device is inserted into the sleeve 2 of the next safety protection device, the two safety protection devices are connected into a whole, the pointed cone 7 is inserted into the ground to be fixed, and the corresponding number of safety protection devices can be arranged on each side of the foundation pit according to the size and shape of the foundation pit on site, so that the utility model has the advantages of protecting and convenient dismounting according to the shape of the foundation pit, and meanwhile, the safety protection devices on each side of the foundation pit can be connected into a whole, and the impact resistance is greatly improved; when the hardened cement ground is arranged on the edge of the foundation pit, the cement ground is generally flat, the pointed cone 7 is difficult to insert into the ground, the protruding column 6 can be firstly poked to the topmost end of the vertical part of the L-shaped limit notch 4, the pointed cone 7 of the movable rod 5 is retracted into the upright column 1, the pointed cone 7 is prevented from injuring personnel by smashing, then the upright column 1 of the last safety protection device is inserted into the sleeve 2 of the next safety protection device, the two safety protection devices are connected into a whole, and the safety protection devices are integrally placed upside down, so that the support 9 is horizontally placed on the cement ground.
The embodiments of the present utility model have been described above, the description is illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (5)
1. The utility model provides a deep basal pit operation safety device, includes stand, sleeve and protection network subassembly, its characterized in that: the stand is the pipe form, the side of stand is provided with the spacing notch of L shape, and the spacing notch of L shape is fixed with the support including vertical portion and horizontal part, the mouth of pipe department of stand bottom is worn to be equipped with the movable rod, be fixed with the projection on the movable rod, and the projection passes the spacing notch of L shape, the bottom of movable rod is equipped with the pointed cone, sleeve parallel arrangement is in one side of stand, the tubular structure who link up about the sleeve adopts, and telescopic inner chamber and the appearance phase-match of stand, the opening has been seted up along the axis direction in telescopic outside, the protection network subassembly sets up between stand and sleeve for provide safety protection for the operating personnel.
2. The deep foundation pit operation safety protection device of claim 1, wherein: the protection network component comprises two cross bars, two vertical bars and a protection network, the protection network is fixedly arranged in a rectangular frame formed by fixing the two cross bars and the two vertical bars, and the left end and the right end of the two cross bars are respectively fixed on the side walls of the upright post and the sleeve.
3. The deep foundation pit operation safety protection device of claim 2, wherein: the joint between the two cross bars and the upright posts is positioned in the same vertical plane with the L-shaped limit notch.
4. A deep foundation pit work safety shield apparatus according to claim 3, wherein: the width of the notch on the sleeve is larger than the width of the horizontal part of the L-shaped limit notch.
5. The deep foundation pit operation safety protection device of claim 4, wherein: when the convex column is shifted to the horizontal part of the L-shaped limiting notch, the pointed cone of the movable rod can extend out of the upright column; when the convex column is stirred to the topmost end of the vertical part of the L-shaped limiting notch, the pointed cone of the movable rod can be retracted into the upright column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322536655.8U CN220790692U (en) | 2023-09-15 | 2023-09-15 | Deep foundation pit operation safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322536655.8U CN220790692U (en) | 2023-09-15 | 2023-09-15 | Deep foundation pit operation safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220790692U true CN220790692U (en) | 2024-04-16 |
Family
ID=90633137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322536655.8U Active CN220790692U (en) | 2023-09-15 | 2023-09-15 | Deep foundation pit operation safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220790692U (en) |
-
2023
- 2023-09-15 CN CN202322536655.8U patent/CN220790692U/en active Active
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