CN115434573A - Town road foundation ditch safety device - Google Patents
Town road foundation ditch safety device Download PDFInfo
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- CN115434573A CN115434573A CN202211099759.0A CN202211099759A CN115434573A CN 115434573 A CN115434573 A CN 115434573A CN 202211099759 A CN202211099759 A CN 202211099759A CN 115434573 A CN115434573 A CN 115434573A
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- push rod
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- foundation pit
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- 238000001125 extrusion Methods 0.000 claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 238000003780 insertion Methods 0.000 claims description 14
- 230000037431 insertion Effects 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 description 39
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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Classifications
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- 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
- E04H17/1413—Post-and-rail fences, e.g. without vertical cross-members
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- 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
- E04H17/20—Posts therefor
- E04H17/21—Posts therefor with hollow cross sections
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- 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
- E04H17/20—Posts therefor
- E04H17/22—Anchoring means therefor, e.g. specially-shaped parts entering the ground; Struts or the like
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention relates to the technical field of foundation pit protection, in particular to a municipal road foundation pit safety protection device, wherein a plurality of protection columns are vertically arranged in a square frame, the two sides of a supporting tube are connected with the square frame through connecting and supporting mechanisms in a supporting manner, a supporting barrel seat is fixed at the bottom end of the supporting tube and is inserted into the supporting barrel seat in a sliding manner, a plurality of positioning through holes are formed in the surface array of the outer ring at the bottom end of the supporting barrel seat, positioning inclined blocks are inserted into the positioning through holes in a sliding manner, an extrusion push rod is arranged in the supporting barrel seat in a sliding manner through a supporting ring in the vertical direction, a plurality of extrusion inclined block sealing plugs are arranged in the wall array of the outer ring of the extrusion push rod, and the bottom end of a threaded push rod arranged in the top end of the supporting tube is contacted with the upper surface of the extrusion push rod through a threaded hole; the supporting pipe is convenient to detach rapidly from the ground on the periphery of the foundation pit, and meanwhile, the protrusion of a residual expansion screw on the ground cannot be caused, so that the safe detachment construction of constructors cannot be influenced.
Description
Technical Field
The invention relates to the technical field of foundation pit protection, in particular to a municipal road foundation pit safety protection device.
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.
When an existing upright post provided with a protective net or a protective guard is fixed to the ground at the periphery of a foundation pit, most of the existing upright posts are required to be pre-drilled with at least four fixing holes by constructors on the ground, then expansion screws are driven into the fixing holes, and the upright post is fixed to the expansion screws through nuts.
After the foundation pit construction is completed, when the protective net or the protective guard needs to be disassembled, a plurality of nuts or expansion screws below the stand column are disassembled by a constructor at the moment, the protective net can be disassembled, and the expansion screws are exposed outside when being connected with the nuts, so that the nuts are easily rusted on the expansion screws when rainwater weather is encountered, the nuts are easily difficult to disassemble, and the disassembling efficiency of the protective net or the protective guard is influenced.
Disclosure of Invention
The invention aims to provide a municipal road foundation pit safety protection device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a town road foundation ditch safety device, includes rail guard and stay tube, the rail guard includes square frame and protection post, vertically in the square frame be provided with a plurality of protection posts, the stay tube both sides are supported through connecting support mechanism and are connected with the square frame, the bottom of stay tube is subaerial to the peripheral top of foundation ditch through embedded fixed establishment fixed stay.
Furthermore, the connection supporting mechanism comprises fixing columns, a rotating sleeve and a positioning clamping plate, the two fixing columns are fixedly arranged on the outer wall of one side of the square frame, the rotating sleeve is rotatably arranged on each fixing column, the positioning clamping plate is fixedly arranged on the end face of each rotating sleeve, a through slot is formed in the supporting tube and the circumferential outer ring face corresponding to the square frame, the rotating sleeve and the positioning clamping plate are slidably inserted in the through slot, and the through slot in the left side of the supporting tube is lower than the through slot formed in the right side wall face.
Further, embedded fixed establishment includes support barrel seat, location sloping block, extrusion push rod, extrusion sloping block, support ring, extrusion ring and screw thread push rod, support barrel seat is fixed to be set up in the mounting hole that foundation ditch ground was seted up, the inside shoulder hole of having seted up of support barrel seat, the bottom mounting of stay tube has the support barrel seat, and supports in barrel seat sliding insertion supports the barrel seat, the bottom outer lane face array of support barrel seat has seted up a plurality of location perforations, and the equal slip grafting in a plurality of location perforations has the location sloping block, vertical direction slides through the support ring in the support barrel seat and is provided with the extrusion push rod, and the outer lane wall array of extrusion push rod is provided with a plurality of extrusion sloping blocks, every the equal lapse of extrusion sloping block and every location sloping block sliding extrusion contact.
Furthermore, an extrusion ring is fixed at the bottom end of the extrusion push rod, and a spring is arranged between the extrusion ring and the support ring.
Furthermore, a sealing plug is arranged inside the top end of the supporting tube, a threaded hole is formed in the center of the sealing plug, the bottom end of the threaded push rod penetrates through the threaded hole to be in contact with the upper surface of the extrusion push rod extrusion ring, and the threaded push rod is in threaded connection with the threaded hole.
Furthermore, a through hole is formed in the positioning clamping plate, and the lower end of the threaded push rod penetrates and is inserted into the through hole.
Further, support the inside tensioning positioning mechanism that is provided with of barrel holder, tensioning positioning mechanism includes guide post and elasticity tensioning strip, the guide post is vertical to be fixed to the inside bottom face of support barrel holder, and the top of guide post slides and inserts and extrude the push rod bottom face and seted up in the guiding hole.
Furthermore, a plurality of elastic tensioning strips are fixed on the circumferential array of the outer ring surface of the guide column, and the other ends of the elastic tensioning strips are respectively connected into guide sliding grooves formed in the inner side surfaces of the positioning oblique blocks in a sliding mode.
Furthermore, a conversion rod is inserted into the support tube in a sliding mode in the vertical direction through the support ring, and the conversion rod is located between two nearest through slots formed in the support tube.
Furthermore, an extrusion ring is also fixed at the top end of the conversion rod, a spring is arranged between the extrusion ring and the support ring, the top end of the conversion rod is in sliding contact with the bottom end of the threaded push rod which is inserted into the support tube, and the bottom end of the conversion rod is in sliding extrusion contact with the top end face of the extrusion push rod.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the supporting cylinder seat is fixedly arranged on the ground, the supporting tube is inserted into the supporting cylinder seat through the inserting tube, and then the extruding push rod drives the extruding inclined blocks to extrude the positioning inclined blocks, so that the positioning inclined blocks can slide into the stepped holes in the supporting cylinder seat from the side surfaces of the inserting tube, and the supporting tube can be fixed on the ground in an embedded clamping mode, therefore, the supporting tube and the ground are not rusted due to wetting of rainwater, the supporting tube can be conveniently and rapidly detached from the ground at the periphery of the foundation pit, residual expansion screws on the ground can not be protruded, and further, the safe detachment construction of constructors can not be influenced.
2. According to the invention, the through hole is formed in the positioning clamping plate, when the threaded push rod is completely inserted into the supporting pipe, the threaded push rod can play a role in limiting and fixing the positioning clamping plate, so that the phenomenon that the positioning clamping plate rotates in the supporting pipe in a vertical state when a constructor rotates the rotating sleeve by mistake, and further the positioning clamping plate is separated from the through slot by external pulling force, and the phenomenon that the protective guard is separated from the supporting pipe is influenced can be prevented.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of a support tube of the present invention;
FIG. 3 is a schematic view of the connection between the support socket and the insertion tube according to the present invention;
FIG. 4 is a schematic view of the connection between the positioning clip and the supporting tube according to the present invention.
Description of reference numerals: the device comprises a protective guard 1, a square frame 11, a protective column 12, a supporting tube 2, a through slot 21, a connecting and supporting mechanism 3, a fixed column 31, a rotating sleeve 32, a positioning clamping plate 33, a through hole 331, an embedded fixing mechanism 4, a supporting tube seat 41, an inserting tube 42, a positioning perforation 421, a positioning inclined block 43, a guiding sliding groove 431, an extruding push rod 44, an extruding inclined block 45, a supporting ring 46, an extruding ring 47, a threaded push rod 48, a sealing plug 49, a tensioning and positioning mechanism 5, a guiding column 51, an elastic tensioning strip 52 and a conversion rod 53.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1 to 4, the invention provides a technical scheme of a municipal road foundation pit safety protection device: a municipal road foundation pit safety protection device comprises a protective guard 1 and a support tube 2, wherein the protective guard 1 comprises a square frame 11 and protective columns 12, a plurality of protective columns 12 are vertically arranged in the square frame 11, two sides of the support tube 2 are connected with the square frame 11 in a supporting mode through a connecting and supporting mechanism 3, and the bottom end of the support tube 2 is fixedly supported on the ground above the periphery of a foundation pit through an embedded fixing mechanism 4; when the device works, when the protective net or the protective guard 1 needs to be installed on the periphery of a municipal road foundation pit, and an existing upright post for installing the protective net or the protective guard 1 is fixed on the ground on the periphery of the foundation pit, most of the existing upright posts need to be provided with at least four fixing holes which are drilled in advance on the ground by constructors, then expansion screws are driven into the fixing holes, and the upright post is fixed on the expansion screws through nuts; when the protective net or the protective guard 1 needs to be disassembled after the foundation pit construction is completed, the protective net can be disassembled only by disassembling a plurality of nuts or expansion screws below the upright posts by constructors, and the expansion screws are exposed outside when being connected with the nuts, so that the nuts are easily rusted on the expansion screws in rainy weather, the nuts are easily difficult to disassemble, and the disassembling efficiency of the protective net or the protective guard 1 is further influenced; when the protective guard 1 needs to surround the periphery of a foundation pit, a constructor firstly drills a mounting hole on the ground at the periphery of the foundation pit according to a plan at the moment, then fixes part of parts of the embedded fixing mechanism 4 into the mounting hole, then fixes the bottom end of the supporting pipe 2 through other parts of the embedded fixing mechanism 4, and then fixes the protective guard 1 consisting of the frame 11 and the protective column 12 to the two sides of the supporting pipe 2 through the connecting and supporting mechanism 3, so that the protective guard 1 is laid at the periphery of the foundation pit.
As an embodiment of the present invention, the connection supporting mechanism 3 includes two fixing columns 31, a rotating sleeve 32 and a positioning snap-gauge 33, the two fixing columns 31 are fixedly disposed on an outer wall of one side of the frame 11, each fixing column 31 is rotatably disposed with the rotating sleeve 32, an end surface of each rotating sleeve 32 is fixed with the positioning snap-gauge 33, a through slot 21 is disposed on a circumferential outer ring surface of the support tube 2 corresponding to the frame 11, the rotating sleeve 32 and the positioning snap-gauge 33 are slidably inserted in the through slot 21, and the height of the through slot 21 located on the left side of the support tube 2 is lower than the height of the through slot 21 disposed on the right side wall surface; when the protective guard 1 composed of the square frame 11 and the protective column 12 needs to be installed on the erected support tube 2, at this time, a constructor can rotate the positioning clamp plate 33 arranged on one side of the square frame 11 to be in a vertical state, then one side face, provided with the positioning clamp plate 33, of the square frame 11 is close to the side face of the support tube 2, meanwhile, the upper positioning clamp plate 33 and the lower positioning clamp plate 33 are aligned with the through slots 21 formed in the side face of the support tube 2, then the square frame 11 is pushed, the vertical positioning clamp plate 33 can be inserted into the support tube 2 through the through slots 21, then the constructor rotates the rotating sleeve 32, so that the rotating sleeve 32 can drive the positioning clamp plate 33 positioned in the support tube 2 to rotate to be in a horizontal state, and further the protective guard 1 surrounded by the square frame 11 and the protective column 12 is conveniently matched with the through slots 21 through the rotating positioning clamp plate 33 to be fixedly supported on the side face of the support tube 2, therefore, the protective guard 1 can be surrounded and blocked on the peripheral ground of a foundation pit by sequentially installing the protective guard; when the protective guard 1 needs to be detached, a constructor can reversely rotate the rotating sleeve 32 on the side face of the square frame 11 at the moment, the positioning clamping plate 33 in the horizontal state is rotated to be in the vertical state, and then the constructor pulls the protective guard 1 in the direction away from the side face of the supporting tube 2, so that the positioning clamping plate 33 is separated from the through slot 21, and the protective guard 1 is convenient to detach.
As an embodiment of the present invention, the embedded fixing mechanism 4 includes a supporting cylinder seat 41, an insertion tube 42, a positioning inclined block 43, an extrusion push rod 44, an extrusion inclined block 45, a supporting ring 46, a threaded push rod 48 and a threaded push rod 48, the supporting cylinder seat 41 is fixedly disposed in a mounting hole formed in the ground of a foundation pit, a stepped hole is formed in the supporting cylinder seat 41, the insertion tube 42 is fixed to the bottom end of the supporting tube 2, the insertion tube 42 is slidably inserted into the supporting cylinder seat 41, a plurality of positioning through holes 421 are formed in an outer circumferential surface array of the bottom end of the insertion tube 42, the positioning inclined blocks 43 are slidably inserted into the plurality of positioning through holes 421, an extrusion push rod 44 is slidably disposed in the insertion tube 42 in the vertical direction through the supporting ring 46, a plurality of extrusion inclined blocks 45 are disposed in an outer circumferential wall array of the extrusion push rod 44, each extrusion inclined block 45 slides downward to be in sliding extrusion contact with each positioning inclined block 43, an extrusion ring 47 is fixed to the top end of the extrusion push rod 44, a spring is disposed between the extrusion push rod 47 and the supporting rod 46, a sealing plug 49 is disposed in the top end of the supporting tube 2, a threaded hole of the threaded plug 48 is disposed in the supporting tube, and a central threaded hole of the supporting ring 47 is connected to the upper surface of the extrusion inclined block 47; when the device works, when the support tube 2 needs to be fixed on the ground, a constructor needs to drill a mounting hole on the ground in advance at the moment, then the support cylinder base 41 is inserted into the mounting hole, at the moment, the constructor can fix the support cylinder base 41 into the mounting hole in a concrete fixing mode according to needs, then the constructor sequentially inserts the support tube 2 into the support cylinder base 41 through the inserting tube 42, and enables the positioning inclined block 43 arranged in the positioning through hole 421 arranged on the outer ring surface of the inserting tube 42 to be aligned with the lower hole of the stepped hole in the support cylinder base 41, then the positioning clamping plate 33 on the side surface of the square frame 11 is inserted into the support tube 2 through the through slot 21, so that the vertical support tube 2 can support the guard rail 1, and then the constructor continuously inserts the thread push rod 48 into the support tube 2 from the thread hole of the sealing plug 49 at the top end of the support tube 2, and the bottom end of the threaded push rod 48 can pass through the positioning clamping plate 33 to contact with the upper surface of the extrusion push rod 44, along with the continuous insertion of the threaded push rod 48, the bottom end of the threaded push rod 48 can push the extrusion push rod 44 to drive the extrusion sloping block 45 to move downwards in the insertion tube 42, at the moment, the extrusion sloping blocks 45 can extrude the positioning sloping blocks 43 to slide outwards from the positioning through holes 421, so that the positioning sloping blocks 43 can slide to the connection part of the lower hole and the upper hole of the stepped hole, and the diameter of the lower hole is larger than that of the upper hole, therefore, the extended positioning sloping blocks 43 can play a role in positioning and fixing the insertion tube 42, after the positioning sloping blocks 43 are completely clamped into the stepped hole, the thread on the outer ring at the top end of the threaded push rod 48 can be connected to the threaded hole formed in the center of the sealing plug 49, so as to fix the extended positioning sloping blocks 43, furthermore, the inserting pipe 42 can be fixedly supported in the supporting cylinder seat 41 in an embedded manner, so that the supporting pipe 2 can be fixedly supported, and in order to prevent rainwater or surface water from entering the supporting cylinder seat 41 through a gap between the supporting cylinder seat 41 and the inserting pipe 42 to cause rust on the positioning inclined block 43 or other parts inside the supporting cylinder seat 41, at the moment, a constructor can paint sealant between the supporting cylinder seat 41 and the inserting pipe 42 for sealing; when the protective guard 1 needs to be detached, at this time, a constructor firstly rotates the threaded push rod 48 reversely and slowly draws out the threaded push rod 48 from the support tube 2, at this time, the compressed spring resilience between the support ring 46 and the extrusion ring 47 can push the extrusion push rod 44 to slide upwards in the support tube 2, at this time, the extrusion push rod 44 can drive the extrusion inclined block 45 to slide upwards from between the positioning inclined blocks 43, so that the extrusion inclined block 45 is separated from extrusion on the positioning inclined blocks 43, and then the positioning inclined blocks 43 can slide towards the positioning through holes 421, so that the insertion pipes 42 can be separated from embedded positioning of the insertion pipes 42 from lower holes of the stepped holes, then the protective guard 1 is taken down from the side surface of the support tube 2, and then the support tube 2 is pulled upwards, so that the insertion pipes 42 are separated from the inside of the support tube base 41, and further the protective guard can be detached from the periphery of a foundation pit.
In an embodiment of the present invention, a through hole 331 is formed in the positioning clamping plate 33, and a lower end of the threaded push rod 48 is inserted into the through hole 331; during operation, when the screw thread push rod 48 is constantly inserted inside the supporting tube 2 through the screw hole, the bottom of the screw thread push rod 48 is constantly inserted into the through hole 331 formed in the positioning clamping plate 33 at this moment, therefore, after the screw thread push rod 48 is fully inserted into the supporting tube 2, the screw thread push rod 48 can play a role in limiting and fixing the positioning clamping plate 33 at this moment, and it can be prevented that when a constructor rotates the rotating sleeve 32 by mistake, the positioning clamping plate 33 rotates in the supporting tube 2 to be in a vertical state, and then the positioning clamping plate 33 is caused to be separated from the through slot 21 by external pulling force, thereby influencing the phenomenon that the guard railing 1 is separated from the supporting tube 2.
As an embodiment of the present invention, a tensioning and positioning mechanism 5 is disposed inside the splicing tube 42, the tensioning and positioning mechanism 5 includes a guide post 51 and an elastic tensioning strip 52, the guide post 51 is vertically fixed to a bottom end face inside the splicing tube 42, a top end of the guide post 51 is slidably inserted into a guide hole formed in a bottom end face of the extrusion push rod 44, a plurality of elastic tensioning strips 52 are fixed to a circumferential array of an outer ring face of the guide post 51, and other ends of the elastic tensioning strips 52 are respectively slidably connected to guide sliding grooves 431 formed in inner side faces of the positioning inclined blocks 43; during operation, when extrusion push rod 44 drives a plurality of extrusion sloping blocks 45 downstream and outwards extrudes location sloping block 43 from the inside time of outwards extruding of stay tube 2, the elastic tension strip 52 that slides the setting in the direction spout 431 that is located the sloping block 43 side of location this moment can produce the elastic tension, extrusion push rod 44 can cup joint at guide post 51 outer wall lapse simultaneously, and then be convenient for guide post 51 can play the effect of direction to gliding extrusion push rod 44, after extrusion push rod 44 drives a plurality of extrusion sloping blocks 45 upward movement and breaks away from a plurality of location sloping block 43 are inside, a plurality of location sloping blocks 43 of outside roll-off at this moment can be towards the inside slip of stay tube 2 under the elastic contraction power of elastic tension strip 52, and then be convenient for a plurality of location sloping blocks 43 can hide in the location perforation 421, thereby be convenient for plug tube 42 can be quick take out the dismantlement from support tube seat 41.
As an embodiment of the present invention, a conversion lever 53 is inserted into the support tube 2 in a sliding manner through the support ring 46 in the vertical direction, the conversion lever 53 is located between the two closest through slots 21 formed in the support tube 2, a pressing ring 47 is also fixed at the top end of the conversion lever 53, a spring is arranged between the pressing ring 47 and the support ring 46, the top end of the conversion lever 53 is in contact with the bottom end of the threaded push rod 48 inserted into the support tube 2 in a sliding manner, and the bottom end of the conversion lever 53 is in sliding pressing contact with the top end face of the pressing push rod 44; during operation, in order to reduce the length of the whole threaded push rod 48, constructors can conveniently and rapidly mount and dismount the threaded push rod 48 on the support tube 2; therefore, in the present invention, the switching rod 53 is slidably inserted into the support tube 2 between the two adjacent through slots 21, and further when the bottom end of the threaded push rod 48 is inserted downward into the support tube 2, the bottom end of the threaded push rod 48 firstly passes through the through holes 331 formed in the two positioning plates 33 located above the support tube 2, so that the threaded push rod 48 can limit and fix the positioning plates 33 located above the support tube 2, and then as the threaded push rod 48 is inserted downward continuously, the bottom end of the threaded push rod 48 can press the switching rod 53 to slide downward in the support tube 2, so that the switching rod 53 can pass through the through holes 331 formed in the positioning plates 33 located inside the support tube 2, and further the switching rod 53 can fix and limit the positioning plates 33 below the side surface of the frame 11, when the switching rod 53 continues to slide downwards in the support tube 2, the pressing ring 47 on the switching rod 53 continuously presses the spring on the upper surface of the support ring 46, and the spring is sleeved on the outer wall of the switching rod 53, at this time, the bottom end of the switching rod 53 contacts with the pressing push rod 44, so that the switching rod 53 can push and slide the pressing push rod 44 downwards, and thus the plurality of pressing inclined blocks 45 can stably press and push out the positioning inclined blocks 43, and when the threaded push rod 48 is taken out of the support tube 2, the switching rod 53 slides upwards under the reverse thrust of the spring, so that the switching rod 53 is drawn out from the through hole 331 of the positioning clamping plate 33, and at this time, the pressing push rod 44 also slides upwards under the reverse thrust of the spring, so that the plurality of pressing inclined blocks 45 are separated from pressing and pushing the positioning inclined blocks 43, and the splicing tube 42 is conveniently taken out of the support tube base 41.
The working principle is as follows: when the support tube 2 needs to be fixed on the ground, a constructor needs to drill a mounting hole on the ground in advance at the moment, then the support tube base 41 is inserted into the mounting hole, at the moment, the constructor can fix the support tube base 41 into the mounting hole in a concrete fixing mode according to needs, then the constructor sequentially inserts the support tube 2 into the support tube base 41 through the inserting tube 42, and enables the positioning inclined block 43 arranged in a positioning through hole 421 formed in the outer ring surface of the inserting tube 42 to be aligned with the lower hole of the stepped hole in the support tube base 41, then the constructor enables one side surface of the square frame 11 provided with the positioning clamping plate 33 to be close to the side surface of the support tube 2, and simultaneously enables the upper positioning clamping plate 33 and the lower positioning clamping plate 33 to be aligned with a through slot 21 formed in the side surface of the support tube 2, then pushes the square frame 11 to enable the vertical positioning clamping plate 33 to be inserted into the support tube 2 through the through slot 21, then the constructor rotates the rotating sleeve 32, so that the rotating sleeve 32 can drive the positioning clamping plate 33 positioned in the supporting tube 2 to rotate to be in a horizontal state, thereby facilitating the push rod 1 enclosed by the square frame 11 and the protecting column 12 to continuously push the push rod 33 and the push rod to push the push rod 48 to continuously push the push rod 48 to push the inner surface of the supporting tube 2 and press the supporting tube 2 to press the supporting block to press the supporting plug screw thread of the supporting tube 2, and extrude the supporting block 48 to press the supporting plug into the supporting plug hole, and push rod 48 of the supporting tube 12, and the supporting plug screw thread, and the supporting plug, and the push rod 48 to press the supporting plug screw thread, and the push rod 48 of the supporting tube 2, and then make a plurality of location sloping blocks 43 can slide to hole under the shoulder hole and last jogged joint department, and the diameter in this hole is greater than the diameter in last hole, consequently, a plurality of location sloping blocks 43 that should stretch out can play the fixed effect in location to the spud-in pipe 42, after location sloping block 43 blocks into the shoulder hole completely, the screw thread of screw thread push rod 48 top outer lane can be linked to the threaded hole that the sealing plug 49 center was seted up at this moment, and then realize carrying out the fixed stay to stay tube 2, according to above-mentioned order in proper order, alright install and lay the peripheral subaerial rail guard of foundation ditch in order to realize.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a town road foundation ditch safety device, includes rail guard (1) and stay tube (2), rail guard (1) is including square frame (11) and protection post (12), its characterized in that, vertically in square frame (11) be provided with a plurality of protection posts (12), stay tube (2) both sides are supported through joint support mechanism (3) and are connected with square frame (11), the bottom of stay tube (2) is subaerial through embedded fixed establishment (4) fixed stay to the peripheral top of foundation ditch.
2. The municipal road foundation pit safety protection device of claim 1, characterized in that: the connection supporting mechanism (3) comprises fixing columns (31), rotating sleeves (32) and positioning clamping plates (33), the two fixing columns (31) are fixedly arranged on the outer wall of one side of a square frame (11), each fixing column (31) is rotatably provided with a rotating sleeve (32), the end face of each rotating sleeve (32) is fixedly provided with the positioning clamping plate (33), a through slot (21) is formed in the circumferential outer ring face of the supporting tube (2) corresponding to the square frame (11), the rotating sleeves (32) and the positioning clamping plates (33) are slidably inserted into the through slots (21), and the left through slot (21) in the supporting tube (2) is located and is lower than the through slot (21) formed in the wall face of the right side.
3. The municipal road foundation pit safety protection device of claim 2, wherein: embedded fixed establishment (4) are including supporting shell seat (41), supporting shell seat (42), location sloping block (43), extrusion push rod (44), extrusion sloping block (45), support ring (46), extrusion ring (47) and screw push rod (48), supporting shell seat (41) are fixed to be set up in the mounting hole that foundation ditch ground was seted up, supporting shell seat (41) are inside to have seted up the shoulder hole, the bottom mounting of stay tube (2) has supporting shell seat (42), and supports shell seat (42) sliding insertion in supporting shell seat (41), a plurality of location perforation (421) have been seted up to the bottom outer lane face array of supporting shell seat (42), and all slide in a plurality of location perforation (421) and peg graft and have location sloping block (43), vertical direction slides through supporting ring (46) in supporting shell seat (42) and is provided with extrusion push rod (44), and the outer lane wall array of extrusion push rod (44) is provided with a plurality of extrusion sloping blocks (45), every all slide down and extrude sloping block (45) and every location sloping block (43) sliding contact extrusion.
4. The municipal road foundation pit safety protection device of claim 3, wherein: an extrusion ring (47) is fixed at the top end of the extrusion push rod (44), and a spring is arranged between the extrusion ring (47) and the support ring (46).
5. The municipal road foundation pit safety protection device of claim 4, wherein: the sealing plug (49) is arranged inside the top end of the supporting tube (2), a threaded hole is formed in the center of the sealing plug (49), the bottom end of the threaded push rod (48) penetrates through the threaded hole to be in surface contact with the upper surface of the extrusion ring (47), and the threaded push rod (48) is in threaded connection with the threaded hole.
6. The municipal road foundation pit safety device of claim 2, wherein: the positioning clamping plate (33) is provided with a through hole (331), and the lower end of the threaded push rod (48) penetrates through and is inserted into the through hole (331).
7. The municipal road foundation pit safety device of claim 4, wherein: support barrel seat (42) inside and be provided with tensioning positioning mechanism (5), tensioning positioning mechanism (5) are including guide post (51) and elasticity tensioning strip (52), guide post (51) are vertical to be fixed to the inside bottom face of support barrel seat (42), and the top of guide post (51) slides and inserts extrusion push rod (44) bottom face and seted up in the guiding hole.
8. The municipal road foundation pit safety protection device of claim 7, wherein: a plurality of elastic tensioning strips (52) are fixed on the circumferential array of the outer ring surface of the guide column (51), and the other ends of the elastic tensioning strips (52) are respectively connected into guide sliding grooves (431) formed in the inner side surfaces of the positioning inclined blocks (43) in a sliding mode.
9. The municipal road foundation pit safety protection device of claim 7, wherein: a conversion rod (53) is inserted in the support pipe (2) in a sliding mode through the support ring (46) in the vertical direction, and the conversion rod (53) is located between two nearest through slots (21) formed in the support pipe (2).
10. The municipal road foundation pit safety protection device of claim 9, wherein: an extrusion ring (47) is also fixed at the top end of the conversion rod (53), a spring is arranged between the extrusion ring (47) and the support ring (46), the top end of the conversion rod (53) is in sliding contact with the bottom end of the support tube (2) which is inserted into the threaded push rod (48), and the bottom end of the conversion rod (53) is in sliding extrusion contact with the top end face of the extrusion push rod (44).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211099759.0A CN115434573B (en) | 2022-09-09 | 2022-09-09 | Municipal road foundation pit safety device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211099759.0A CN115434573B (en) | 2022-09-09 | 2022-09-09 | Municipal road foundation pit safety device |
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| CN115434573B CN115434573B (en) | 2024-03-15 |
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| JP2000355917A (en) * | 1999-04-14 | 2000-12-26 | Chubu Kohan Kk | Foundation for protective fence and support structure for the protective fence |
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| CN207513309U (en) * | 2017-10-31 | 2018-06-19 | 李晓锐 | A kind of construction safety column convenient for assembling |
| CN108222656A (en) * | 2018-01-30 | 2018-06-29 | 重庆中航建设（集团）有限公司 | The construction method of Prefabricated enclosure wall |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000355917A (en) * | 1999-04-14 | 2000-12-26 | Chubu Kohan Kk | Foundation for protective fence and support structure for the protective fence |
| CN205382763U (en) * | 2015-12-30 | 2016-07-13 | 张家港博盛金属制品有限公司 | Hexagonal fence |
| CN206844814U (en) * | 2017-06-09 | 2018-01-05 | 中建八局第三建设有限公司 | Can turnover type Fast Installation hoarding |
| CN206917401U (en) * | 2017-07-10 | 2018-01-23 | 青岛恒生源集团建设有限公司 | A kind of construction site safety device |
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| CN115434573B (en) | 2024-03-15 |
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