CN114182975A - Foundation ditch safety device for town road engineering - Google Patents
Foundation ditch safety device for town road engineering Download PDFInfo
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- CN114182975A CN114182975A CN202210139977.6A CN202210139977A CN114182975A CN 114182975 A CN114182975 A CN 114182975A CN 202210139977 A CN202210139977 A CN 202210139977A CN 114182975 A CN114182975 A CN 114182975A
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- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000005452 bending Methods 0.000 claims abstract description 10
- 238000004873 anchoring Methods 0.000 claims description 33
- 230000003287 optical effect Effects 0.000 claims description 10
- 239000002689 soil Substances 0.000 claims description 10
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 abstract description 11
- 238000010276 construction Methods 0.000 description 11
- 230000009471 action Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 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
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- 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
- E02D17/02—Foundation pits
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Abstract
The invention provides a foundation pit safety protection device for municipal road engineering, and belongs to the technical field of foundation pit protection. The adopted scheme is as follows: the device comprises an L-shaped protective part, guide rails fixed on the ground are symmetrically arranged on two sides of the protective part, the protective part is in sliding fit with the guide rails, the bending part of the protective part is positioned at one end of the guide rails, the other end of the guide rails is provided with a rotating mechanism, the rotating mechanism comprises a rotating shaft arranged perpendicular to the guide rails, and the bending part of the protective part is provided with a connecting part; when the protection part slides to the set position along the guide rail, the connecting part can be matched with the rotating shaft in a clamping manner, and the protection part can rotate by a certain angle by taking the rotating shaft as the center. The device is convenient to arrange and high in flexibility, and can be used as a protective fence to protect and warn a foundation pit and the surrounding environment, so that the safety protection function is realized; and can be used as a bearing device for the temporary passing of logistics transportation tools.
Description
Technical Field
The invention relates to the technical field of foundation pit protection, in particular to a foundation pit safety protection device for municipal road engineering.
Background
The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation; in the process of municipal road engineering construction, in order to ensure the safety of the surrounding environment of the foundation pit, the side wall and the surrounding environment of the foundation pit need to be subjected to retaining, reinforcing and protecting measures. In the process of foundation pit construction, particularly in the process of excavation or backfilling of pipeline foundation pits, pedestrians or vehicles need to pass through the central urban area temporarily sometimes.
However, when the existing foundation pit protection device protects the surrounding environment, bolts or anchoring steel rods are often adopted to be fixed with the ground, the flexibility is poor, the movement is inconvenient, the original protection device needs to be removed, a bearing device used as a bridge is additionally arranged, and then a bearing plate is laid to achieve the effect of temporarily allowing pedestrians or vehicles to pass through; the construction time of the bearing device during logistics transportation is increased, and further the construction progress of other projects is influenced.
Disclosure of Invention
In order to solve the defects that a bearing device needs to be newly arranged when logistics are transported through a foundation pit, the construction time is long, and the efficiency is low, the invention provides the foundation pit safety protection device for the municipal road engineering, which can be used as a protection fence with warning and protection functions and can also be used as a bearing device.
The technical scheme adopted by the invention for solving the technical problems is as follows: a foundation pit safety protection device for municipal road engineering comprises an L-shaped protection part, guide rails fixed on the ground are symmetrically arranged on two sides of the protection part, the protection part is in sliding fit with the guide rails, the bending part of the protection part is located at one end of the guide rails, the other end of the guide rails is provided with a rotating mechanism, the rotating mechanism comprises a rotating shaft perpendicular to the guide rails, and the bending part of the protection part is provided with a connecting part; when the protection part slides to the set position along the guide rail, the connecting part can be matched with the rotating shaft in a clamping manner, and the protection part can rotate by a certain angle by taking the rotating shaft as the center. The plurality of protective parts are arranged around the foundation pit, so that the function of protecting the surrounding environment of the foundation pit is realized; when short-time logistics transportation is needed, the plurality of protection parts on the logistics transportation line slide towards the foundation pit along the guide rail, the protection parts gradually slide out of the guide rail and are suspended above the foundation pit, when the protection parts move towards the foundation pit to the connection parts of the bending parts of the protection parts and are clamped with the rotating shaft, the protection parts move out of the range of the guide rail and can rotate by taking the bending parts of the L-shaped protection parts as shafts under the action of gravity until the protection parts are attached to the side wall of the foundation pit, and the protection parts can be used as a bearing device at the moment, so that the conversion from a protection function to a bearing function is realized; can shorten the engineering time of commodity circulation transportation route, guarantee the construction progress of other projects.
Furthermore, the protection part comprises a first protection plate and a second protection plate, the second protection plate is in sliding fit with the guide rail, the first protection plate is hinged to one end of the second protection plate, the width of the first protection plate is larger than that of the second protection plate, at least one adjustable support rod is arranged between the first protection plate and the second protection plate, and two ends of the adjustable support rod are hinged to the first protection plate and the second protection plate respectively. The adjustable supporting rod can support the first protection plate and the second protection plate on one hand, and when the adjustable supporting rod is used as a protection fence, the reliability of the device can be ensured; on the other hand can change the angle between guard plate one and the guard plate two, when using as the bridge, can be applicable to the foundation ditch lateral wall of different angles.
Furthermore, the guide rail is I-shaped and is arranged on two sides of the second protection plate, the two ends of the second protection plate in the width direction are provided with idler wheels, and the idler wheels can roll along the guide rail to drive the second protection plate to move along the length direction of the guide rail. The arrangement of the idler wheels can ensure the smoothness of the sliding of the second protection plate on the guide rail; the design of the shape of the guide rail can prevent the second protection plate from toppling over in the sliding process, and the stability of the movement of the second protection plate is ensured.
Furthermore, the adjustable supporting rod comprises a first screw rod, a second screw rod and a two-way internal thread sleeve, two ends of the two-way internal thread sleeve are respectively in threaded connection with one ends of the first screw rod and the second screw rod, the other end of the first screw rod is hinged with the first protection plate, and the other end of the second screw rod is hinged with the second protection plate. The length of the adjustable supporting rod can be changed by rotating the bidirectional internal thread sleeve, and the angle between the first protection plate and the second protection plate can be adjusted and controlled conveniently.
Furthermore, the connecting part comprises a clamping section and two supporting sections, and the two supporting sections are symmetrically arranged on two sides of the clamping section; the rotating shaft comprises an optical shaft section corresponding to the supporting section and a flat shaft section corresponding to the clamping section, the optical shaft section is matched with the cross section of the supporting section, and the flat shaft section is matched with the cross section of the clamping section. The supporting section is arranged to be matched with the optical axis section to increase the stress area of the rotating shaft, so that the flat shaft section of the rotating shaft is prevented from being broken due to overlarge bearing load, and the reliability of the device is improved.
Furthermore, the rotating mechanism further comprises two shells, the two shells are respectively arranged at the end parts of the two guide rails, the two ends of the rotating shaft are respectively rotatably connected with the two shells, and a rotating shaft damper is arranged on the part, located in the shell, of the rotating shaft. The slow rotation of protection portion can be realized in setting up of pivot attenuator, produces great impact when avoiding protection portion to contact with the foundation ditch lateral wall under the action of gravity, leads to the pivot to stretch out when protection portion scram to and prevent to cause the influence to the structure and the stress state of foundation ditch.
Furthermore, a plurality of telescopic anchoring rods are arranged on the bottom surface of the second protection plate and can be wedged into the soil foundation of the foundation pit. The position of the second protection plate can be fixed, so that the second protection plate can be kept stable and firm when used for protecting the surrounding environment of the foundation pit.
Further, flexible anchor pole includes anchor portion and dead lever, is provided with the through hole in the anchor portion, the upper end and two fixed connection of guard plate of dead lever, and in the lower extreme of dead lever inserted the through hole, dead lever and anchor portion sliding fit. The expansion of the anchoring part can be realized by controlling the anchoring part to slide on the fixed rod; when the protection function is realized, the anchoring part extends out of the bottom plate to fix the position of the protection plate II; when the bearing function is realized, the anchoring part is not contacted with the soil foundation, and the second protection plate can move along the guide rail.
Furthermore, a first electromagnetic plate is arranged above the anchoring part, and a second electromagnetic plate is arranged on the fixing rod; the second protection plate is of a hollow structure and comprises a top plate and a bottom plate, the upper end of the fixing rod is fixedly connected with the bottom surface of the top plate, the lower part of the fixing rod penetrates out of the bottom plate, and the second electromagnetic plate is located between the top plate and the bottom plate; the fixed rod is further sleeved with a spring, one end of the spring is fixedly connected with the first electromagnetic plate, and the other end of the spring is fixedly connected with the bottom plate. When the first electromagnetic plate and the second electromagnetic plate are not electrified, the anchoring part is wedged into the soil foundation under the action of the spring, and the two positions of the protection plate are fixed; when the first electromagnetic plate and the second electromagnetic plate are electrified, the first electromagnetic plate and the second electromagnetic plate are mutually attracted, the spring contracts to drive the anchoring part to move upwards, and at the moment, the second protection plate can move along the guide rail; the state of the second protection plate is convenient to control.
Furthermore, the auxiliary support frame is further included, the auxiliary support frame is fixed on the side wall of the foundation pit, and the auxiliary support frame is symmetrically arranged on two sides of the second protection plate. The auxiliary supporting frame can lift the first protection plate when the second protection plate contacts with the side wall of the foundation pit, so that the tensile stress borne by the rotating shaft and the connecting part is reduced, and the reliability of the device is enhanced.
According to the technical scheme, the invention has the following advantages:
the scheme provides a foundation pit safety protection device for municipal road engineering, which is convenient to arrange and high in flexibility, can be used as a protection fence to protect and warn a foundation pit and the surrounding environment, and realizes the function of safety protection; and the device can be used as a bearing device for temporary passing of logistics transportation tools, so that the construction time of logistics transportation lines is shortened, the logistics pressure is reduced, and the construction progress of other projects is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural view of the protection part and the guide rail in the embodiment of the invention.
Fig. 3 is a schematic structural view of the rotating shaft and the guide rail in the embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a protective part in an embodiment of the present invention.
Fig. 5 is a schematic structural view of a telescopic anchor rod according to an embodiment of the present invention.
FIG. 6 is a schematic structural diagram of an apparatus for interrupting the power of the first and second electromagnetic plates according to an embodiment of the present invention.
Fig. 7 is a partial enlarged view of a portion a in fig. 6.
FIG. 8 is a schematic structural diagram of an apparatus for energizing a first electromagnetic plate and a second electromagnetic plate according to an embodiment of the present invention.
Fig. 9 is a partial enlarged view of fig. 8 at B.
Fig. 10 is a schematic structural view of a first protection plate and an auxiliary support frame in accordance with an embodiment of the present invention.
FIG. 11 is a schematic view of the structure of the optical axis segment in cooperation with the support segment in accordance with the preferred embodiment of the present invention.
Fig. 12 is a schematic structural view of the flat shaft section and the clamping section in accordance with the present invention.
Fig. 13 is a schematic structural view of the protection portion when the sidewall of the foundation pit is perpendicular to the horizontal plane in the embodiment of the present invention.
Fig. 14 is a schematic structural diagram of a protection portion when a side wall of a foundation pit is sloped according to an embodiment of the present invention.
Fig. 15 is a schematic structural view of connection of adjacent guards on the same side according to an embodiment of the present invention.
In the figure, 1, a protection part, 2, a first protection plate, 3, a second protection plate, 4, a guide rail, 5, a roller, 6, an adjustable support rod, 7, a first screw rod, 8, a second screw rod, 9, a bidirectional internal thread sleeve, 10, a connecting part, 11, a support section, 12, a clamping section, 13, a shell, 14, a rotating shaft, 15, an optical axis section, 16, a flat shaft section, 17, a rotating shaft damper, 18, a top plate, 19, a bottom plate, 20, a telescopic anchoring rod, 21, an anchoring part, 22, a through hole, 23, a fixing rod, 24, a first electromagnetic plate, 25, a second electromagnetic plate, 26, a spring, 27 and an auxiliary support frame.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
As shown in fig. 1 to 15, the foundation pit safety protection device for the municipal road engineering comprises an L-shaped protection part 1, guide rails 4 fixed on the ground are symmetrically arranged on two sides of the protection part 1, the protection part 1 is in sliding fit with the guide rails 4, the bending part of the protection part 1 is positioned at one end of the guide rails 4, the other end of the guide rails 4 is provided with a rotating mechanism, the rotating mechanism comprises a rotating shaft 14 arranged perpendicular to the guide rails 4, and the bending part of the protection part 1 is provided with a connecting part 10; when the protection part 1 slides to a set position along the guide rail 4, the connecting part 10 can be in clamping fit with the rotating shaft 14, and the protection part 1 can rotate by a certain angle by taking the rotating shaft 14 as a center. When the protective device is disassembled, the protective part 1 moves along the guide rail 4 to the direction far away from the foundation pit, namely the protective part 1 can be separated from the guide rail 4, and finally the guide rail 4 is disassembled; the position of the guide rail 4 can be fixed through bolts or anchoring steel rods, so that the connection strength is guaranteed, meanwhile, the guide rail is convenient to detach and arrange, and the construction efficiency is improved.
In this embodiment, the specific structure of the connection portion 10 is: the connecting part 10 comprises a clamping section 12 and two supporting sections 11, and the two supporting sections 11 are symmetrically arranged on two sides of the clamping section 12; the rotating shaft 14 comprises an optical axis section 15 corresponding to the position of the supporting section 11 and a flat shaft section 16 corresponding to the position of the clamping section 12, the optical axis section 15 is matched with the section shape of the supporting section 11, and the flat shaft section 16 is matched with the section shape of the clamping section 12. As shown in fig. 4, the connecting portion 10 is disposed on the bottom surface of the second protection plate 3 and close to the first protection plate 2, and the supporting section 11 is disposed to cooperate with the optical axis section 15 to increase the stressed area of the rotating shaft, so as to prevent the flat shaft section 16 of the rotating shaft 14 from breaking due to an excessive load, which is beneficial to improving the reliability of the device.
On the other hand, the rotating mechanism further comprises two shells 13, the two shells 13 are respectively mounted at the end portions of the two guide rails 4, two ends of the rotating shaft 14 are respectively rotatably connected with the two shells 13, and a rotating shaft damper 17 is mounted on a portion of the rotating shaft 14 located in the shells 13. The slow rotation of protection portion 1 can be realized in the setting of pivot attenuator 17, avoids protection portion 1 to produce great impact when contacting with the foundation ditch lateral wall under the action of gravity, leads to pivot 14 to stretch out when protection portion 1 scram to and prevent to cause the influence to the structure and the stress state of foundation ditch.
As shown in fig. 1 and 4, the protection part 1 includes a first protection plate 2 and a second protection plate 3, the first protection plate 2 is hinged to one end of the second protection plate 3, the width of the first protection plate 2 is greater than that of the second protection plate 3, three adjustable support rods 6 are arranged between the first protection plate 2 and the second protection plate 3, and two ends of each adjustable support rod 6 are hinged to the first protection plate 2 and the second protection plate 3 respectively. A fluorescent strip can be arranged on the first protection plate to ensure the warning function; because the width of the first protection plate 2 is larger than that of the second protection plate 3, when two adjacent protection parts 1 are arranged, the adjacent first protection plates 2 can be connected, and the integrity of the device when the protection fence is used is ensured; as shown in fig. 13 and 14, the adjustable support rods 6 can support the first protection plate 2 and the second protection plate 3, so that the reliability of the device can be ensured when the device is used as a protection fence; on the other hand can change the angle between protection plate one 2 and the protection plate two 3, when using as the bridge, can be applicable to the foundation ditch lateral wall of different angles.
The two protection plates 3 are in sliding fit with the guide rails 4, the guide rails 4 are I-shaped and are arranged on two sides of the two protection plates 3, the two ends of the two protection plates 3 in the width direction are provided with idler wheels 5, and the idler wheels 5 can roll along the guide rails 4 to drive the two protection plates 3 to move along the length direction of the guide rails 4. The arrangement of the roller 5 can ensure the smoothness of the sliding of the second protection plate 3 on the guide rail 4; the design of the shape of the guide rail 4 can prevent the second protection plate 3 from toppling over in the sliding process, and the stability of the movement of the second protection plate 3 is ensured.
Specifically, as shown in fig. 4, the adjustable support rod 6 includes a first screw 7, a second screw 8 and a two-way internal thread bushing 9, two ends of the two-way internal thread bushing 9 are respectively in threaded connection with one ends of the first screw 7 and the second screw 8, the other end of the first screw 7 is hinged to the first protection plate 2, and the other end of the second screw 8 is hinged to the second protection plate 3. The length of the adjustable supporting rod 6 can be changed by rotating the bidirectional internal thread sleeve 9, so that the angle between the first protection plate 2 and the second protection plate 3 can be adjusted and controlled conveniently.
On the other hand, the bottom surface of the second protection plate 3 is provided with a plurality of telescopic anchoring rods 20, and the telescopic anchoring rods 20 can be wedged into the soil foundation of the foundation pit. The position of the second protection plate 3 can be fixed by the plurality of telescopic anchor rods 20, so that the protection plate can be kept stable and firm when the protection plate protects the surrounding environment of the foundation pit.
As shown in fig. 5, the specific structure of the telescopic anchor rod 20 is: the telescopic anchoring rod 20 comprises an anchoring part 21 and a fixing rod 23, a through hole 22 is formed in the anchoring part 21, the upper end of the fixing rod 23 is fixedly connected with the second protection plate 3, the lower end of the fixing rod 23 is inserted into the through hole 22, and the fixing rod 23 is in sliding fit with the anchoring part 21. The extension and retraction of the anchoring part 21 in the second protection plate 3 can be realized by controlling the anchoring part 21 to slide on the fixing rod 23; when the protection function is realized, the anchoring part 21 extends out of the bottom plate 19 to fix the position of the second protection plate 3; when the bearing function is realized, the anchoring part 21 is not contacted with the soil foundation, and the protection plate two 3 can move along the guide rail 4 at the moment.
In the embodiment, the movement of the anchoring part 21 is controlled by the principle of a push-pull electromagnet, a first electromagnetic plate 24 is arranged above the anchoring part 21, and a second electromagnetic plate 25 is arranged on the fixing rod 23; the second protection plate 3 is of a hollow structure and comprises a top plate 18 and a bottom plate 19, the upper end of a fixing rod 23 is fixedly connected with the bottom surface of the top plate 18, the lower part of the fixing rod 23 penetrates through the bottom plate 19, and a second electromagnetic plate 25 is located between the top plate 18 and the bottom plate 19; the fixed rod 23 is further sleeved with a spring 26, one end of the spring 26 is fixedly connected with the first electromagnetic plate 24, and the other end of the spring 26 is fixedly connected with the bottom plate 19. A solar cell panel detachably mounted on the second protection plate 3 can be arranged, the solar cell panel is arranged on the outer side of the top plate 18 of the second protection plate 3, and the solar cell panel is electrically connected with the first electromagnetic plate 24 and the second electromagnetic plate 25; the second electromagnetic plate 25 is arranged between the top plate 18 and the bottom plate 19, so that the second electromagnetic plate 25 can be prevented from attracting other parts on a construction site when being electrified, and the arrangement of a circuit is more convenient; when the first electromagnetic plate 24 and the second electromagnetic plate 25 are not electrified, the anchoring part 21 is wedged into the soil foundation under the action of the spring 26, and the position of the second protection plate 3 is fixed; when the first electromagnetic plate 24 and the second electromagnetic plate 25 are electrified, the first electromagnetic plate 24 and the second electromagnetic plate 25 are mutually attracted, the spring 26 contracts to drive the anchoring part 21 to move upwards, and at the moment, the second protection plate 3 can move along the guide rail 4; the state of the second protection plate 3 is convenient to control; when the protection part 1 is used as a bearing device, the spring 26 can play a role in buffering when the second protection plate 3 is attached to the side wall of the foundation pit, and the anchor part 21 or the fixing rod 23 is prevented from being broken due to excessive impact.
Based on the concrete structure of guard plate one 1 and guard plate two 3, this foundation ditch safety device for town road engineering still includes auxiliary stay frame 27, and on auxiliary stay frame 27 was fixed in the lateral wall of foundation ditch, auxiliary stay frame 27 symmetry set up in the both sides of guard plate two 3. The auxiliary support frame 27 can lift the first protection plate 2 when the second protection plate 3 is in contact with the side wall of the foundation pit, so that the tensile stress borne by the rotating shaft 14 and the connecting part 10 is reduced, and the reliability of the device is enhanced.
This foundation ditch safety device for town road engineering's theory of operation does:
arranging a plurality of safety protection devices on a soil foundation around a foundation pit, positioning one end of a guide rail 4, which is provided with a rotating shaft 14, at the edge of the foundation pit, and enclosing a protection part 1 of the plurality of safety protection devices into a fence around the foundation pit, specifically, as shown in fig. 15, connecting two adjacent protection plates one 2 positioned at the same side by adopting a horizontal straight plate; a gap between adjacent first protection plates 2 at the corner of the foundation pit can be provided with a grid plate or other protection plates for protecting the adjacent edge of the foundation pit for connection;
when the protection rail as warning, safeguard action uses, a plurality of protection parts 1 set up around the foundation ditch, and electromagnetic plate one 24, two 25 do not switch on this moment, and under spring 26's effect, anchor part 21 is located the outside of bottom plate 19 to wedge in the soil matrix, the rigidity of protection plate two 3 can realize the safeguard function to foundation ditch all ring border.
When short-time logistics transportation is needed, electrifying the first electromagnetic plates 24 and the second electromagnetic plates 25 in the plurality of protection parts 1 on the logistics transportation line, attracting the electrified first electromagnetic plates 24 and the second electromagnetic plates 25 mutually, contracting the spring 26, moving the anchoring parts 21 upwards, matching the rollers 5 on two sides of the second protection plates 3 with the guide rails 4 to drive the protection parts 1 to slide towards the foundation pit, gradually sliding the guide rails 4 out along with the second protection plates 3, and clamping and matching the clamping sections 12 arranged on the connecting parts 10 with the flat shaft sections 16 on the rotating shafts 14 to fixedly connect the protection parts 1 with the rotating shafts 14; at the moment, the second protection plate 3 moves out of the range of the guide rail 4 and is suspended above the foundation pit, and can rotate around the rotating shaft 14 under the action of gravity of the protection part 1 until the second protection plate 3 is attached to the side wall of the foundation pit; in the rotation process of the protection part 1, the arrangement of the rotating shaft damper 17 can prevent the protection part 1 from generating large impact when the rotation is stopped, and the stability and the reliability of the device are favorably ensured. After the second protection plate 3 is attached to the side wall of the foundation pit, the first electromagnetic plate 24 and the second electromagnetic plate 25 are powered off, and the anchoring part 21 is used for fixing the position of the second protection plate 3 again under the action of the spring 26; then, the length of the adjustable supporting rod 6 is adjusted by rotating the two-way internal thread sleeve 9 on the adjustable supporting rod 6, so that the angle between the first protection plate 2 and the second protection plate 3 is adjusted, and the first protection plate 2 is adjusted to be parallel to the ground; because the length of the first protection plate 2 is greater than that of the second protection plate 3, the auxiliary support frames 27 which are symmetrically arranged on two sides of the second protection plate 3 and fixed on the side wall of the foundation pit can support the first protection plate 2, and the adjustable support rods 6 and the auxiliary support frames 27 can support the side wall of the foundation pit while providing upward supporting force for the first protection plate 2, so that the foundation pit is supported and protected; protection part 1 at this moment can regard as and bear the device use, realize by safeguard function to the transformation that bears the weight of the function, set up the loading board on the bridge that protection part 1 constitutes, the face that makes the loading board and guide rail 4's top surface parallel and level or a little more than guide rail 4, one side that can keep away from the foundation ditch at guide rail 4 sets up the transition piece and is convenient for the vehicle current, thereby satisfy excavation or backfill process at the pipeline foundation ditch, the needs of passing through pedestrian or vehicle temporarily in the central urban area, can shorten the engineering time of commodity circulation transportation circuit, the commodity circulation pressure is reduced, do benefit to the construction progress of guaranteeing other engineering.
The terms "upper", "lower", "outside", "inside", and the like in the description and claims of the present invention and the above-described drawings (if any) are used for distinguishing relative positions without necessarily being construed qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A foundation pit safety protection device for municipal road engineering is characterized by comprising an L-shaped protection part (1), guide rails (4) fixed on the ground are symmetrically arranged on two sides of the protection part (1), the protection part (1) is in sliding fit with the guide rails (4), the bending part of the protection part (1) is positioned at one end of each guide rail (4), a rotating mechanism is arranged at the other end of each guide rail (4), the rotating mechanism comprises a rotating shaft (14) perpendicular to the guide rails (4), and a connecting part (10) is arranged at the bending part of the protection part (1); when the protection part (1) slides to a set position along the guide rail (4), the connecting part (10) can be in clamping fit with the rotating shaft (14), and the protection part (1) can rotate by a certain angle by taking the rotating shaft (14) as a center.
2. The foundation pit safety protection device for the municipal road engineering according to claim 1, characterized in that the protection part (1) comprises a first protection plate (2) and a second protection plate (3), the second protection plate (3) is in sliding fit with the guide rail (4), the first protection plate (2) is hinged to one end of the second protection plate (3), the width of the first protection plate (2) is larger than that of the second protection plate (3), at least one adjustable support rod (6) is arranged between the first protection plate (2) and the second protection plate (3), and two ends of the adjustable support rod (6) are hinged to the first protection plate (2) and the second protection plate (3) respectively.
3. The foundation pit safety protection device for the municipal road engineering according to claim 2, wherein the guide rails (4) are I-shaped and arranged on two sides of the second protection plate (3), rollers (5) are arranged at two ends of the second protection plate (3) in the width direction, and the rollers (5) can roll along the guide rails (4) to drive the second protection plate (3) to move along the length direction of the guide rails (4).
4. The foundation pit safety protection device for the municipal road engineering according to claim 2, wherein the adjustable support rod (6) comprises a first screw rod (7), a second screw rod (8) and a bidirectional internal thread sleeve (9), two ends of the bidirectional internal thread sleeve (9) are respectively in threaded connection with one ends of the first screw rod (7) and the second screw rod (8), the other end of the first screw rod (7) is hinged to the first protection plate (2), and the other end of the second screw rod (8) is hinged to the second protection plate (3).
5. The foundation pit safety device for the municipal road engineering according to claim 1, wherein the connecting part (10) comprises a clamping section (12) and two supporting sections (11), and the two supporting sections (11) are symmetrically arranged on two sides of the clamping section (12); the rotating shaft (14) comprises an optical shaft section (15) corresponding to the supporting section (11) and a flat shaft section (16) corresponding to the clamping section (12), the optical shaft section (15) is matched with the cross section of the supporting section (11), and the flat shaft section (16) is matched with the cross section of the clamping section (12).
6. The foundation pit safety protection device for the municipal road engineering according to claim 1, wherein the rotating mechanism further comprises two housings (13), the two housings (13) are respectively mounted at the ends of the two guide rails (4), both ends of the rotating shaft (14) are respectively rotatably connected with the two housings (13), and a rotating shaft damper (17) is mounted on the part of the rotating shaft (14) located in the housings (13).
7. The foundation pit safety protection device for the municipal road engineering according to claim 2, characterized in that a plurality of telescopic anchor rods (20) are arranged on the bottom surface of the second protection plate (3), and the telescopic anchor rods (20) can be wedged into the soil foundation of the foundation pit.
8. The foundation pit safety protection device for the municipal road engineering as claimed in claim 7, wherein the telescopic anchoring rod (20) comprises an anchoring part (21) and a fixing rod (23), a through hole (22) is formed in the anchoring part (21), the upper end of the fixing rod (23) is fixedly connected with the second protection plate (3), the lower end of the fixing rod (23) is inserted into the through hole (22), and the fixing rod (23) is in sliding fit with the anchoring part (21).
9. The foundation pit safety protection device for the municipal road engineering as claimed in claim 8, wherein a first electromagnetic plate (24) is arranged above the anchoring part (21), and a second electromagnetic plate (25) is mounted on the fixing rod (23); the second protection plate (3) is of a hollow structure and comprises a top plate (18) and a bottom plate (19), the upper end of the fixing rod (23) is fixedly connected with the bottom surface of the top plate (18), the lower part of the fixing rod (23) penetrates out of the bottom plate (19), and the second electromagnetic plate (25) is located between the top plate (18) and the bottom plate (19); the fixing rod (23) is further sleeved with a spring (26), one end of the spring (26) is fixedly connected with the first electromagnetic plate (24), and the other end of the spring (26) is fixedly connected with the bottom plate (19).
10. The foundation pit safety device for the municipal road engineering according to claim 2, further comprising auxiliary support frames (27), wherein the auxiliary support frames (27) are fixed on the side wall of the foundation pit, and the auxiliary support frames (27) are symmetrically arranged on two sides of the second protection plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210139977.6A CN114182975B (en) | 2022-02-16 | 2022-02-16 | Foundation ditch safety device for town road engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210139977.6A CN114182975B (en) | 2022-02-16 | 2022-02-16 | Foundation ditch safety device for town road engineering |
Publications (2)
| Publication Number | Publication Date |
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| CN114182975A true CN114182975A (en) | 2022-03-15 |
| CN114182975B CN114182975B (en) | 2022-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210139977.6A Expired - Fee Related CN114182975B (en) | 2022-02-16 | 2022-02-16 | Foundation ditch safety device for town road engineering |
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| Country | Link |
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| CN (1) | CN114182975B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114575670A (en) * | 2022-05-06 | 2022-06-03 | 新乡市平原市政管理有限公司 | Intelligent regulation installation formula rail for building |
| CN117627454A (en) * | 2024-01-26 | 2024-03-01 | 德州希霖水土治理科技有限公司 | Safety protection structure for water conservancy construction |
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| CN210946830U (en) * | 2019-10-20 | 2020-07-07 | 武汉谦诚桩工科技股份有限公司 | Building foundation pit supporting device |
| CN211947758U (en) * | 2020-03-19 | 2020-11-17 | 李启祥 | Highway subgrade protective structure |
| CN112681342A (en) * | 2021-01-20 | 2021-04-20 | 朱奔 | Deep foundation pit supporting structure and deep foundation pit construction method |
| CN215441928U (en) * | 2021-07-28 | 2022-01-07 | 广东宏展建设工程有限公司 | Foundation pit supporting structure of town road subgrade |
| CN215715375U (en) * | 2021-09-15 | 2022-02-01 | 贺涛 | Town road foundation ditch safety device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080098124A (en) * | 2007-05-04 | 2008-11-07 | 안창일 | Construction method not exposed to outside |
| CN210946830U (en) * | 2019-10-20 | 2020-07-07 | 武汉谦诚桩工科技股份有限公司 | Building foundation pit supporting device |
| CN211947758U (en) * | 2020-03-19 | 2020-11-17 | 李启祥 | Highway subgrade protective structure |
| CN112681342A (en) * | 2021-01-20 | 2021-04-20 | 朱奔 | Deep foundation pit supporting structure and deep foundation pit construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114575670A (en) * | 2022-05-06 | 2022-06-03 | 新乡市平原市政管理有限公司 | Intelligent regulation installation formula rail for building |
| CN117627454A (en) * | 2024-01-26 | 2024-03-01 | 德州希霖水土治理科技有限公司 | Safety protection structure for water conservancy construction |
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| Publication number | Publication date |
|---|---|
| CN114182975B (en) | 2022-05-06 |
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