CN115182608B - Foundation pit safety device for municipal road - Google Patents
Foundation pit safety device for municipal road Download PDFInfo
- Publication number
- CN115182608B CN115182608B CN202210946237.3A CN202210946237A CN115182608B CN 115182608 B CN115182608 B CN 115182608B CN 202210946237 A CN202210946237 A CN 202210946237A CN 115182608 B CN115182608 B CN 115182608B
- Authority
- CN
- China
- Prior art keywords
- swinging
- telescopic rod
- groove
- plate
- foundation pit
- 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.)
- Active
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/009—Footing elements for fence posts or fence sections
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/16—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/06—Foundation trenches ditches or narrow shafts
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a foundation pit safety protection device for municipal roads, which belongs to the technical field of protection devices, wherein a baffle is rotatably arranged above a front bottom plate by arranging a U-shaped frame plate, at least two pairs of pins are arranged at the bottom of the front bottom plate and the bottom of a base in pairs, swinging grooves penetrating front and back are formed in the pins, the bottom of the baffle is connected with swinging units in the swinging grooves arranged on the pins at the front part through a front connecting plate, and each swinging unit comprises a swinging block and a plurality of inserting blocks which extend out of the swinging grooves and are inserted into outside soil when being swung are symmetrically arranged at two sides of the swinging block; one side of the connecting plate is hinged with a first telescopic rod inserted into the inner side of the base, an elastic piece is installed on the first telescopic rod, the other end of the first telescopic rod is rotatably installed on the fixed shaft through a rotating seat, the bottom of the rotating seat is connected with a swinging unit in a swinging groove through a rear connecting plate, a plurality of groups of telescopic buffer pieces are installed between the baffle and the base, the effect of internal and external bidirectional shock resistance stability is achieved through the structure, and the detachable telescopic rod is convenient to disassemble.
Description
Technical Field
The invention relates to the technical field of safety protection devices, in particular to a foundation pit safety protection device for municipal roads.
Background
When municipal pipeline laying and maintenance are carried out, earth excavation can be carried out frequently, the excavation place is generally located at the side of a road with small traffic of people in downtown areas, and in order to ensure pedestrian safety and mistaken play of children, the excavated foundation pit is protected according to specifications, and people or vehicles are prevented from invading and falling into the foundation pit.
The enclosing mode and the enclosing strength of the safety protection device adopted by the foundation pit excavated beside the downtown area or the main road are higher than those of the safety protection device used for excavating the foundation pit on the remote road, the maintenance mode of the safety protection device adopted by the foundation pit excavated in the downtown area or the main road is semi-permanent enclosed enclosing due to longer construction period, the baffle plate is inserted on the base block, the base block is fixed on the ground by adopting expansion bolts, and the supporting rod is arranged on the inner side of the enclosing block.
In the use process, the existing safety protection device is found that gaps are easy to appear when expansion bolts are inserted into the ground after slight collision, so that the firmness of the safety protection device is reduced, the stability of secondary protection is affected, meanwhile, the protection mode is mainly used for blocking external invasion, the whole protection device is easy to incline due to external invasion collision of equipment for inner side construction, and the protection performance is poor from inside to outside; this mounting also has the problem of difficult removal due to the nature of the expansion bolts.
Based on the problems, the invention provides a foundation pit safety protection device for municipal roads.
Disclosure of Invention
Aiming at the problems in the technical background, the invention aims to provide a foundation pit safety protection device for municipal roads, which solves the problems of reduced firmness, poor protection stability from inside to outside and inconvenient disassembly after slight impact of the safety protection device in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the foundation pit safety protection device for the municipal road comprises a base, wherein the front end of the base is connected with a front bottom plate,
the upper part of the front bottom plate is provided with a U-shaped frame plate for rotating and installing a baffle, at least two pairs of pins are arranged at the bottom of the front bottom plate and the bottom of the base in pairs, the pins are provided with swinging grooves penetrating front and back, the bottom of the baffle is connected with the front part through a front connecting plate, the pins are provided with swinging units in the swinging grooves, and each swinging unit comprises a swinging block and a plurality of inserting blocks which extend out of the swinging grooves when swinging are symmetrically arranged at two sides of the swinging block and are inserted into outside soil;
one side of the connecting plate is hinged with a first telescopic rod inserted into the inner side of the base, an elastic piece is arranged on the first telescopic rod, the other end of the first telescopic rod is rotatably arranged on the fixed shaft through a rotating seat, the bottom of the rotating seat is connected with a rear part through a rear connecting plate, and a swinging unit in the swinging groove is arranged on the pin;
a plurality of groups of telescopic buffer parts are arranged between one side surface of the baffle plate and the top surface of the base.
Further, the rear portion set up vertical groove on the base at the top of pin, install the top in vertical groove the fixed axle, simultaneously vertical groove top intercommunication runs through the anterior horizontal groove of base, the front end of first telescopic link stretches out the horizontal groove articulates on the lateral wall of connecting plate.
Furthermore, the included angle between the first telescopic rod and the connecting point of the rear connecting plate on the outer wall of the rotating seat is 90 degrees.
Further, a through groove is formed in the front bottom plate at the top of the pin, the bottom of the front connecting plate penetrates through the through groove to be connected with the top of the swinging block, and the swinging block is installed in the swinging groove.
Furthermore, the insert block is arc-shaped or triangular, and the vertex angle is inclined upwards.
Further, the telescopic buffer piece comprises a second telescopic rod and a second spring, two ends of the second telescopic rod are respectively hinged to one side face of the baffle and the top face of the base, the second spring is installed on the second telescopic rod, and meanwhile two ends of the second spring are fixed to two ends of the second telescopic rod.
Furthermore, a built-in groove is arranged in the baffle, an impact port communicated with the built-in groove is arranged in front of the baffle, a sliding plate is arranged in the built-in groove, buffer cotton is filled between the inner side surface of the sliding plate and the built-in groove, and a certain buffer sliding height difference exists between the top of the sliding plate and the built-in groove.
Furthermore, the outer side surface of the sliding plate is provided with an anti-skid groove which is convenient for collision and pushing the sliding plate.
Further, the elastic piece is a first spring, the first spring is installed on the first telescopic rod, and meanwhile two ends of the first spring are fixed on the first telescopic rod.
Furthermore, the front bottom plate and two sides of the U-shaped frame plate are provided with connecting lugs which are staggered up and down, and the adjacent safety protection devices are connected by inserting the connecting lugs which are overlapped.
Compared with the prior art, the invention has the following advantages:
(1) According to the invention, a baffle is rotatably arranged above a front bottom plate by arranging a U-shaped frame plate, at least two pairs of pins are arranged at the bottoms of the front bottom plate and a base in pairs, a swinging groove penetrating front and back is formed in each pin, the bottoms of the baffle are connected with swinging units in the swinging groove arranged on the pins at the front part by a front connecting plate, and each swinging unit comprises a swinging block and a plurality of inserting blocks symmetrically arranged at two sides of the swinging block, wherein the inserting blocks extend out of the swinging groove and are inserted into soil at the outer side; one side of the connecting plate is hinged with a first telescopic rod inserted into the inner side of the base, an elastic piece is arranged on the first telescopic rod, the other end of the first telescopic rod is rotatably arranged on the fixed shaft through a rotating seat, and the bottom of the rotating seat is connected with a swinging unit arranged in a swinging groove on a rear pin through a rear connecting plate;
when the outer side is impacted, the baffle rotates inwards to drive the front connecting plate to rotate outwards, the bottom of the front connecting plate drives the swinging block to swing forwards, so that a plurality of inserting blocks at the front part of the swinging block are inserted into soil or cushion layers at the outer side to form the purpose of preventing the baffle from rotating;
when the inside construction machine is in external invasion collision, the baffle plate rotates outwards to drive the front connecting plate at the bottom to rotate inwards to the rear, and the bottom of the front connecting plate drives the swinging block to swing backwards, so that a plurality of inserting blocks at the front part of the swinging block are inserted into soil or a cushion layer at the outer side, and the purpose of preventing the baffle plate from rotating is achieved; in the process, the front connecting plate rotates to drive the outer side end of the first telescopic rod to extend upwards to rotate, the elastic piece absorbs part of energy in the extending process, the bottom of the rear connecting plate is driven to rotate forwards by the rotating seat in the rotating process of the first telescopic rod, the bottom of the rear connecting plate drives the swinging block to extend forwards to extend out of the pin, and the swinging block is inserted into soil or a cushion layer at the front outer side, so that the effect of preventing the base from moving forwards is realized, the base is reset under the action of the elastic piece after the impact is finished, and the stronger the impact strength is, the stronger the resistance is;
whether the outside impacts or the inside construction machinery impacts, the plurality of groups of telescopic buffer pieces buffer and absorb energy to the rotation of the baffle plate, and finally the baffle plate can be assisted to rotate and reset;
when the device is dismantled under the unstressed state, because the front connecting plate and the rear connecting plate are in the vertical state, the swinging blocks in the front pin and the rear pin and the inserting blocks on two sides of the swinging blocks are positioned in the swinging grooves of the pins, and the pins can be pulled up directly.
Drawings
FIG. 1 is a perspective view of a device according to an embodiment of the present invention;
FIG. 2 is a second perspective view of the apparatus according to the embodiment of the present invention;
fig. 3 is a perspective view of a device for removing a U-shaped frame plate according to an embodiment of the present invention;
fig. 4 is a semi-sectional perspective view of a rear base and a front base plate with a U-shaped frame plate removed according to an embodiment of the present invention;
FIG. 5 is a partial perspective view of an embodiment of the present invention;
FIG. 6 is a perspective view of a pin according to an embodiment of the present invention;
FIG. 7 is a perspective view of an embodiment of the present invention showing the insertion of a swing unit after a half-cut pin;
fig. 8 is a semi-cut perspective view of a baffle plate according to an embodiment of the present invention.
In the figure: 1. a base; 2. a horizontal slot; 3. a vertical groove; 4. a front bottom plate; 41. a through groove; 5. a connecting lug; 6. a U-shaped frame plate; 7. a baffle; 8. a front connecting plate; 9. a pin; 10. a swinging groove; 11. a swinging block; 12. inserting blocks; 13. a first telescopic rod; 14. a first spring; 15. a fixed shaft; 16. a rotating seat; 18. a rear connecting plate; 19. a second telescopic rod; 20. a second spring; 21. a built-in groove; 22. an impingement opening; 23. a slide plate; 24. an anti-skid slot.
Detailed Description
The following describes specific embodiments of the present invention in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.
As shown in fig. 1-8, a foundation pit safety protection device for municipal roads comprises a base 1, wherein the front end of the base 1 is connected with a front bottom plate 4, a baffle 7 is rotatably arranged above the front bottom plate 4 by arranging a U-shaped frame plate 6, the base 1, the front bottom plate 4 and the U-shaped frame plate 6 are preferably made of stainless steel, the foundation pit safety protection device is resistant to impact and rust and can be repeatedly used for many times, at least two pairs of pins 9 are arranged at the bottoms of the front bottom plate 4 and the base 1 in pairs, a swinging groove 10 penetrating front and back is formed in each pin 9, the bottom of the baffle 7 is connected with a swinging unit arranged in the swinging groove 10 through a front connecting plate 8, and the swinging unit comprises a swinging block 11 and a plurality of inserting blocks 12 extending out of the swinging groove 10 and inserted into outside soil when swinging are symmetrically arranged on two sides of the swinging block; one side of the connecting plate 8 is hinged with a first telescopic rod 13 inserted into the inner side of the base 1, an elastic piece is arranged on the first telescopic rod 13, the other end of the first telescopic rod 13 is rotatably arranged on a fixed shaft 15 through a rotating seat 16, and the bottom of the rotating seat 16 is connected with a swinging unit on a rear pin 9 through a rear connecting plate 18, wherein the swinging unit is arranged in a swinging groove 10; a plurality of groups of telescopic buffer parts are arranged between one side surface of the baffle 7 and the top surface of the base 1.
In this embodiment, when an outer person and a vehicle strike, the baffle 7 rotates inwards to drive the front connecting plate 8 to rotate outwards, the bottom of the front connecting plate 8 drives the swinging block 11 to swing forwards, so that a plurality of inserting blocks 12 in the front of the swinging block 11 are inserted into soil or cushion layers on the outer side, the purpose of preventing the baffle 7 from rotating is achieved, in the process, the front connecting plate 8 rotates to drive the outer side end of the first telescopic rod 13 to extend downwards, in the extending process, the elastic piece absorbs part of energy, in the rotating process of the first telescopic rod 13, the bottom of the rear connecting plate 18 is driven to rotate backwards through the rotating seat 16, the bottom of the rear connecting plate 18 drives the swinging block 11 to extend backwards and outwards to be inserted into soil or cushion layers on the outer side of the rear, the effect of preventing the base 1 from moving backwards is achieved, the stronger the impact strength is, and the impact strength is stronger, and the elastic piece is subjected to function to reset after the impact is finished; when the inside construction machine is in external invasion collision, the baffle 7 rotates outwards to drive the front connecting plate 8 at the bottom to rotate inwards to the rear, and the bottom of the front connecting plate 8 drives the swinging block 11 to swing backwards, so that a plurality of inserting blocks 12 at the rear part of the swinging block 11 are inserted into soil or a cushion layer at the outer side, and the purpose of preventing the baffle 7 from rotating is achieved; the front connecting plate 8 rotates to drive the outer side end of the first telescopic rod 13 to extend upwards to rotate in the process of extending, the elastic piece absorbs part of energy in the process of extending, the bottom of the rear connecting plate 18 is driven to rotate forwards by the rotating seat 16 in the process of rotating the first telescopic rod 13, the bottom of the rear connecting plate 18 drives the swinging block 11 to extend out of the pin 9 forwards and insert into soil or a cushion layer on the front outer side, the effect of preventing the base 1 from moving forwards is achieved, the elastic piece is acted to reset after the impact is finished, the stronger the impact strength is, the stronger the resistance is, the stable protection function is finally achieved when the impact strength is impacted, and the stronger the protection counteracts.
As shown in fig. 4, a vertical groove 3 is formed in a base 1 at the top of a rear pin 9, the top of the pin 9 is welded at the bottom of the vertical groove 3 through a fixing ring, meanwhile, the top of a swinging groove 10 is located at the middle of the bottom end of the vertical groove 3, a fixing shaft 15 is installed at the top of the vertical groove 3, meanwhile, the top of the vertical groove 3 is communicated with a horizontal groove 2 penetrating through the front part of the base 1, the front end of a first telescopic rod 13 extends out of the horizontal groove 2 to be hinged on the side wall of a connecting plate 8, and a first telescopic rod 13, a fixing shaft 15, a rotating seat 16 and a rear connecting plate 18 are installed through the built-in vertical groove 3 and the horizontal groove 2, so that the invasion of external objects is prevented, the transmission effect is influenced, and the aim of stable structural transmission is fulfilled.
As shown in fig. 4 and 5, in the unstressed state, the first telescopic rod 13 is in a horizontal state, so that the first telescopic rod 13 can extend downwards or upwards and rotate simultaneously when the baffle 7 is impacted by the outer side or the inner side, an included angle between the first telescopic rod 13 and a connecting point of the rear connecting plate 18 on the outer wall of the rotating seat 16 is 90 degrees, and the first telescopic rod 13 can conveniently drive the rotating seat 16 to rotate, and the rotating seat 16 can drive the rear connecting plate 18 to rotate.
As shown in fig. 3 and 4, the front bottom plate 4 at the top of the front pin 9 is provided with a through groove 41, the bottom of the front connecting plate 8 is connected with the top of the swinging block 11 through the through groove 41, the swinging block 11 is installed in the swinging groove 10, and the through groove 41 plays a role in limiting the rotation angle of the front connecting plate 8.
As shown in fig. 7, the insert 12 is curved or triangular in shape with the apex angle inclined upward, and the insert 12 is more easily inserted into the soil or bedding during extension.
As shown in fig. 3 and 4, the telescopic buffer member includes a second telescopic rod 19 and a second spring 20, two ends of the second telescopic rod 19 are respectively hinged on a side surface of the baffle 7 and the top surface of the base 1, the second spring 20 is installed on the second telescopic rod 19, two ends of the second spring 20 are fixed at two ends of the second telescopic rod 19, the second telescopic rod 19 stretches and drives the second spring 20 in the process of rotating the baffle 7, and part of kinetic energy absorbed by the second spring 20 in the process of shrinking is converted into elastic potential energy, so that the second spring can assist in recovery in the process of resetting.
As shown in fig. 8, a built-in groove 21 is provided in the baffle 7, an impact opening 22 communicating with the built-in groove 21 is provided in front of the baffle 7, a sliding plate 23 is installed in the built-in groove 21, buffer cotton is filled between the inner side surface of the sliding plate 23 and the built-in groove 21, a certain buffer sliding height difference exists between the top of the sliding plate 23 and the built-in groove 21, when an external vehicle or a person impacts the sliding plate 23, two dimensional sliding is generated, one is perpendicular to the sliding plate 23 so that the sliding plate is inwards extruded with the buffer cotton, the other is friction between the sliding plate 23 and the top of the built-in groove are avoided, and the sliding plate 23 slides to the top of the built-in groove for buffering, so that protection is effective.
As shown in fig. 8, the outer side surface of the sliding plate 23 is provided with an anti-slip groove 24 which is convenient for impacting and pushing the sliding plate 23, so that the relative sliding between personnel or objects and the sliding plate 23 during installation is prevented more effectively, and personnel or vehicles are prevented from entering the foundation pit from the top.
As shown in fig. 4, the elastic member is a first spring 14, the first spring 14 is installed on the first telescopic rod 13, meanwhile, two ends of the first spring 14 are fixed on the first telescopic rod 13, the first spring 14 is fixed on the first telescopic rod 13 through two ends to achieve the function of stretching and shrinking to perform certain energy absorption, and meanwhile, the first spring assists in resetting after the impact is completed.
As shown in fig. 1, two sides of the front bottom plate 4 and the U-shaped frame plate 6 are provided with connecting lugs 5 which are staggered up and down, and adjacent safety protection devices are connected by inserting the connecting lugs 5 which are overlapped.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The foundation pit safety protection device for the municipal road comprises a base (1), wherein the front end of the base (1) is connected with a front bottom plate (4), and the foundation pit safety protection device is characterized in that;
the front bottom plate (4) is provided with a baffle (7) through a U-shaped frame plate (6) in a rotating mode, at least two pairs of pins (9) are arranged at the bottom of the front bottom plate (4) and the bottom of the base (1) in pairs, the pins (9) are provided with swinging grooves (10) penetrating front and back, the bottom of the baffle (7) is connected with the front part through a front connecting plate (8), swinging units in the swinging grooves (10) are arranged on the pins (9), and each swinging unit comprises a swinging block (11) and a plurality of inserting blocks (12) which extend out of the swinging grooves (10) when swinging are symmetrically arranged at two sides of the swinging block and are inserted into outside soil;
a first telescopic rod (13) inserted into the inner side of the base (1) is hinged to one side of the front connecting plate (8), an elastic piece is arranged on the first telescopic rod (13), the other end of the first telescopic rod (13) is rotatably arranged on a fixed shaft (15) through a rotating seat (16), and the bottom of the rotating seat (16) is connected with a swinging unit in a swinging groove (10) arranged on the pin (9) at the rear part through a rear connecting plate (18);
a plurality of groups of telescopic buffer parts are arranged between one side surface of the baffle plate (7) and the top surface of the base (1).
2. The foundation pit safety protection device for the municipal road according to claim 1, wherein a vertical groove (3) is formed in the base (1) at the top of the pin (9) at the rear part, the fixed shaft (15) is installed at the top of the vertical groove (3), meanwhile, the top of the vertical groove (3) is communicated with a horizontal groove (2) penetrating through the front part of the base (1), and the front end of the first telescopic rod (13) extends out of the horizontal groove (2) and is hinged on the side wall of the front connecting plate (8).
3. The foundation pit safety protection device for municipal roads according to claim 2, wherein the first telescopic rod (13) and the rear connecting plate (18) are both connected with the outer wall of the rotating seat (16), and the included angle between the first telescopic rod (13) and the rear connecting plate (18) is 90 degrees.
4. The foundation pit safety protection device for municipal roads according to claim 1, wherein a through groove (41) is provided on the front bottom plate (4) at the top of the pin (9) at the front, the bottom of the front connecting plate (8) penetrates through the through groove (41) to connect with the top of the swinging block (11), and the swinging block (11) is installed in the swinging groove (10).
5. The foundation pit safety protection device for municipal road according to claim 4, wherein the insert (12) is arc-shaped or triangular, and the apex angle is inclined upward.
6. The foundation pit safety protection device for the municipal road according to claim 1, wherein the telescopic buffer member comprises a second telescopic rod (19) and a second spring (20), two ends of the second telescopic rod (19) are respectively hinged on one side surface of the baffle plate (7) and the top surface of the base (1), the second spring (20) is installed on the second telescopic rod (19), and two ends of the second spring (20) are fixed at two ends of the second telescopic rod (19).
7. The foundation pit safety protection device for the municipal road according to claim 1, wherein a built-in groove (21) is formed in the baffle plate (7), an impact opening (22) communicated with the built-in groove (21) is formed in the front of the baffle plate (7), a sliding plate (23) is installed in the built-in groove (21), buffer cotton is filled between the inner side surface of the sliding plate (23) and the built-in groove (21), and a certain buffer sliding height difference exists between the top of the sliding plate (23) and the built-in groove (21).
8. The foundation pit safety protection device for municipal roads according to claim 7, wherein the outer side of the slide plate (23) is provided with an anti-slip groove (24) for facilitating collision and pushing of the slide plate (23).
9. The foundation pit safety protection device for municipal roads according to claim 1, wherein the elastic member is a first spring (14), the first spring (14) is mounted on the first telescopic rod (13), and both ends of the first spring (14) are fixed on the first telescopic rod (13).
10. The foundation pit safety protection device for the municipal road according to claim 1, wherein connecting lugs (5) staggered up and down are arranged on two sides of the front bottom plate (4) and the U-shaped frame plate (6), and adjacent safety protection devices are connected in a plug-in manner through the connecting lugs (5) which are overlapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210946237.3A CN115182608B (en) | 2022-08-08 | 2022-08-08 | Foundation pit safety device for municipal road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210946237.3A CN115182608B (en) | 2022-08-08 | 2022-08-08 | Foundation pit safety device for municipal road |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115182608A CN115182608A (en) | 2022-10-14 |
| CN115182608B true CN115182608B (en) | 2023-04-25 |
Family
ID=83522996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210946237.3A Active CN115182608B (en) | 2022-08-08 | 2022-08-08 | Foundation pit safety device for municipal road |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115182608B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2677684B1 (en) * | 1991-06-13 | 1996-12-13 | Emile Trougouboff | IMPROVED INDIVIDUAL PARKING BARRIERS. |
| KR20150145940A (en) * | 2014-06-20 | 2015-12-31 | (주)한국에어로테크 | the safety steel plate that has the variable angle by control |
| CN210459104U (en) * | 2019-07-01 | 2020-05-05 | 广东高丰建设工程有限公司 | Water retaining device for hydraulic engineering |
| CN212175574U (en) * | 2020-03-25 | 2020-12-18 | 深圳市品尚工程有限公司 | Foundation pit safety protection device |
| CN212927321U (en) * | 2020-06-03 | 2021-04-09 | 游胜辉 | Security fence for building construction management |
| CN213597667U (en) * | 2020-08-10 | 2021-07-02 | 蔡鑫 | Foundation ditch safety device based on town road engineering |
| CN112523600B (en) * | 2020-11-24 | 2021-12-03 | 温州泰乐维工程设计有限公司 | Fencing mechanism for building construction |
| CN114150932B (en) * | 2021-12-02 | 2023-02-24 | 浙江银晨建设有限公司 | Foundation pit edge protection device |
| CN217079958U (en) * | 2022-01-21 | 2022-07-29 | 安徽省公路桥梁工程有限公司 | Construction engineering construction is with enclosing fender |
-
2022
- 2022-08-08 CN CN202210946237.3A patent/CN115182608B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN115182608A (en) | 2022-10-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2928942Y (en) | Buffer road rail | |
| CN211898404U (en) | Road pit safety device | |
| CN115182608B (en) | Foundation pit safety device for municipal road | |
| CN107513964A (en) | A kind of highway guard rail | |
| CN204418060U (en) | Swing type road prevention device | |
| CN212835152U (en) | Road isolation guardrail with buffer structure for architectural design municipal administration | |
| CN212506010U (en) | Highway construction safety device | |
| CN210946620U (en) | High-risk road section anti-collision guardrail | |
| CN114657818A (en) | Safety and stability's track protector | |
| CN112252240A (en) | Vehicle emergency buffer device for urban road and implementation method thereof | |
| CN220928927U (en) | Buffer type protection device for construction | |
| CN212426898U (en) | Mountain road prevents weighing down cliff traffic protection structure | |
| CN114718987B (en) | Big data information acquisition equipment of wisdom building site | |
| CN215671509U (en) | High-stability fence for road construction | |
| CN213654438U (en) | Foundation ditch safety device for highway engineering | |
| CN219280570U (en) | Easy dismouting monolithic formula concrete movable guardrail structure | |
| CN216864948U (en) | Install convenient rural highway rail guard | |
| CN112459612B (en) | Safety device is used in construction of engineering road that anti striking performance is high | |
| CN214245509U (en) | Town road isolation barrier | |
| CN221037469U (en) | Sensor protector for guardrail collision data acquisition | |
| CN212452377U (en) | Thing networking fire control linkage lift way stake of utensil controller | |
| CN220908255U (en) | Traffic guardrail with buffer function | |
| CN219910859U (en) | Pneumatic anti-rolling gangue device for cutting hole of large-dip-angle coal face | |
| CN213328813U (en) | Impact-resistant highway protective fence | |
| CN219569792U (en) | Grille type protective railing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |