CN115434573B - Municipal road foundation pit safety device - Google Patents
Municipal road foundation pit safety device Download PDFInfo
- Publication number
- CN115434573B CN115434573B CN202211099759.0A CN202211099759A CN115434573B CN 115434573 B CN115434573 B CN 115434573B CN 202211099759 A CN202211099759 A CN 202211099759A CN 115434573 B CN115434573 B CN 115434573B
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- extrusion
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- 238000001125 extrusion Methods 0.000 claims abstract description 74
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 238000003780 insertion Methods 0.000 claims description 18
- 230000037431 insertion Effects 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 5
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 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
- 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
- 239000000758 substrate Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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
-
- 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
Landscapes
- 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, two sides of a supporting tube are supported and connected with the square frame through a connecting supporting mechanism, the bottom end of the supporting tube is fixedly provided with a plug tube, the plug tube is slidably inserted into a supporting cylinder seat, a plurality of positioning perforations are formed in an outer ring surface array of the bottom end of the plug tube, positioning inclined blocks are slidably inserted into the positioning perforations, an extrusion push rod is slidably arranged in the plug tube in the vertical direction through a supporting ring, a plurality of extrusion inclined blocks are arranged in an outer ring wall array of the extrusion push rod, and the bottom end of a sealing plug threaded push rod is arranged in the top end of the supporting tube and is contacted with the upper surface of the extrusion push rod extrusion ring through a threaded hole; the support tube is convenient to detach from the peripheral ground of foundation ditch fast, can not cause subaerial residual inflation screw protrusion yet simultaneously, and then can not influence constructor's safety dismantlement construction.
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 a foundation design position according to the elevation of the substrate and the plane size of the foundation; in the municipal road engineering construction process, in order to ensure the safety of the surrounding environment of the foundation pit, supporting, reinforcing and protecting measures are required to be adopted for the side wall of the foundation pit and the surrounding environment.
When the existing upright post provided with the protective net or the protective fence is fixed on the ground at the periphery of the foundation pit, most of the existing upright posts require constructors to drill at least four fixing holes in advance on the ground, then the expansion screw is driven into the fixing holes, and then the upright post is fixed on the expansion screw through nuts.
When foundation ditch construction is accomplished the back, when need dismantle protection network or rail guard, need constructor dismantle a plurality of nuts or the inflation screw of stand below this moment, just can realize dismantling protection network, and expose in the outside when owing to inflation screw and nut are connected, consequently, meet the rainwater weather and cause the nut rust easily on the inflation screw, and then cause the nut to be difficult to dismantle phenomenon easily, and then influence the dismantlement efficiency of protection network or rail guard.
Disclosure of Invention
The invention aims to provide a municipal road foundation pit safety protection device which aims to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a municipal road foundation ditch safety device, includes rail guard and stay tube, the rail guard includes square frame and guard post, vertical a plurality of guard posts that are provided with in the square frame, the stay tube both sides are connected with the square frame through the connection supporting mechanism support, the bottom of stay tube is through built-in fixed establishment fixed bolster to foundation ditch periphery top subaerial.
Further, the connection supporting mechanism comprises fixing columns, rotating sleeves and positioning clamping plates, the two fixing columns are fixedly arranged on the outer wall of one side of the square frame, the rotating sleeves are rotatably arranged on each fixing column, the positioning clamping plates are fixedly arranged on the end faces of the rotating sleeves, through slots are formed in the outer circumferential surfaces of the supporting tubes and the corresponding circumferential surfaces of the square frame, the rotating sleeves and the positioning clamping plates are slidably inserted in the through slots, and the through slots on the left side of the supporting tubes are lower than the through slots formed in the right side wall surfaces.
Further, built-in fixed establishment includes support barrel seat, grafting pipe, location sloping block, extrusion push rod, extrusion sloping block, holding ring, extrusion ring and screw thread push rod, the fixed mounting hole of seting up in foundation ditch ground of support barrel seat, the ladder hole has been seted up to support barrel seat inside, the bottom mounting of stay tube has grafting pipe, and grafting pipe sliding insertion to support barrel seat in, a plurality of location perforation have been seted up to the bottom outer lane face array of grafting pipe, and all slide in a plurality of location perforation and peg graft and have the location sloping block, vertical direction is provided with the extrusion push rod through the holding ring slip in the grafting pipe, and the outer lane wall array of extrusion push rod is provided with a plurality of extrusion sloping blocks, every the extrusion sloping block all slides downwards and every location sloping block sliding extrusion contact.
Further, the bottom end of the extrusion push rod is fixed with an extrusion ring, and a spring is arranged between the extrusion ring and the supporting ring.
Further, the inside sealing plug that is provided with in top of stay tube, and sealing plug central point puts and has seted up the screw hole, the bottom of screw thread push rod passes the screw hole and extrudes push rod extrusion ring upper surface contact, and screw thread push rod and screw thread threaded connection.
Further, a through hole is formed in the positioning clamping plate, and the lower end of the threaded push rod is inserted into the through hole in a penetrating mode.
Further, the inside tensioning positioning mechanism that is provided with of grafting pipe, tensioning positioning mechanism includes guide post and elasticity tensioning strip, the guide post is vertical to be fixed to the inside bottom surface of grafting pipe, and the top slip of guide post inserts in the extrusion push rod bottom surface has seted up the guiding hole.
Further, a plurality of elastic tensioning strips are fixed on the circumferential array of the outer ring surface of the guide post, 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 inclined blocks in a sliding mode.
Furthermore, a conversion rod is inserted in the support tube in the vertical direction through the support ring in a sliding manner, and the conversion rod is positioned between two nearest through slots formed in the support tube.
Further, the top end of the conversion rod is also fixed with the extrusion ring, a spring is arranged between the extrusion ring and the supporting ring, the top end of the conversion rod is in sliding and inserting contact with the bottom end of the threaded push rod in a supporting tube, and the bottom end of the conversion rod is in sliding and extrusion contact with the top end surface 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 insertion tube, and then the extrusion push rod drives the extrusion inclined block to extrude the plurality of positioning inclined blocks, so that the plurality of positioning inclined blocks can slide into the stepped holes in the supporting cylinder seat from the side surface of the insertion tube, and further the supporting tube can be fixed on the ground in an embedded clamping manner, thereby not only being capable of rusting the supporting tube and the ground due to wetting of rainwater, but also being convenient for quickly disassembling the supporting tube from the ground on the periphery of the foundation pit, and simultaneously being capable of causing the protrusion of residual expansion screws on the ground, and further being capable of not affecting the safe disassembly construction of constructors.
2. According to the invention, the through holes are formed in the positioning clamping plate, and when the threaded push rod is completely inserted into the supporting tube, the threaded push rod plays a role in limiting and fixing the positioning clamping plate, so that the phenomenon that the positioning clamping plate is separated from the through slots under external tension when a constructor rotates the rotating sleeve by mistake and the positioning clamping plate rotates in a vertical state in the supporting tube can be prevented, and the phenomenon that the protective guard is separated from the supporting tube is influenced.
Drawings
FIG. 1 is a schematic diagram of the structure 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 of the support hub and the adapter tube of the present invention;
FIG. 4 is a schematic diagram of the connection of the positioning clamp plate and the support tube according to the present invention.
Reference numerals illustrate: 1-protective fence, 11-square frame, 12-protective column, 2-support tube, 21-through slot, 3-connection support mechanism, 31-fixed column, 32-rotating sleeve, 33-positioning clamping plate, 331-through hole, 4-embedded fixing mechanism, 41-support cylinder seat, 42-inserting tube, 421-positioning through hole, 43-positioning oblique block, 431-guiding chute, 44-extrusion push rod, 45-extrusion oblique block, 46-support ring, 47-extrusion ring, 48-threaded push rod, 49-sealing plug, 5-tensioning positioning mechanism, 51-guiding column, 52-elastic tensioning strip and 53-conversion rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the 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: the utility model provides a municipal road foundation ditch safety device, includes rail guard 1 and stay tube 2, rail guard 1 includes square frame 11 and guard post 12, vertically be provided with a plurality of guard posts 12 in the square frame 11, stay tube 2 both sides are supported through connecting support mechanism 3 and are connected with square frame 11, the bottom of stay tube 2 is fixed support to ground above the foundation ditch periphery through built-in fixed establishment 4; when the protective guard 1 is required to surround the periphery of a foundation pit, a constructor drills a mounting hole on the ground surface of the periphery of the foundation pit according to a design, then fixes part of parts of the embedded fixing mechanism 4 into the mounting hole, then fixes the bottom end of the support tube 2 through other parts of the embedded fixing mechanism 4, then fixes the protective guard 1 consisting of the square frame 11 and the protective column 12 on two sides of the support tube 2 through the connecting support mechanism 3, and further lays the protective guard 1 on the periphery of the foundation pit, so that the bottom end of the support tube 2 is fixed on the ground surface of the periphery of the foundation pit through the embedded fixing mechanism 4, the support tube 2 is fixed outside not directly through the matching of expansion screws and nuts, and the support tube 2 is fixed in an embedded mode, so that the support tube 2 is convenient to detach quickly from the ground surface of the periphery of the foundation pit, and meanwhile, residual expansion screws on the ground are not caused, and the safe detachment construction of constructor is not affected.
As an embodiment of the present invention, the connection support mechanism 3 includes a fixing column 31, a rotating sleeve 32 and a positioning clamping plate 33, the two fixing columns 31 are fixedly disposed on an outer wall of one side of the square frame 11, each fixing column 31 is rotatably provided with the rotating sleeve 32, an end surface of each rotating sleeve 32 is fixedly provided with the positioning clamping plate 33, a through slot 21 is formed on a circumferential outer ring surface of the support tube 2 corresponding to the square frame 11, the rotating sleeve 32 and the positioning clamping plate 33 are slidably inserted into the through slot 21, and a height of the through slot 21 located at the left side of the support tube 2 is lower than that of the through slot 21 formed on the right side wall surface; when the protective fence 1 formed by the square frame 11 and the protective column 12 is required to be installed on the erected support pipe 2 in operation, a constructor can rotate the positioning clamping plate 33 arranged on one side of the square frame 11 to be in a vertical state, then one side surface of the square frame 11 provided with the positioning clamping plate 33 is close to the side surface of the support pipe 2, meanwhile, the upper positioning clamping plate 33 and the lower positioning clamping plate 33 are aligned with the through slots 21 formed in the side surface of the support pipe 2 up and down, then the square frame 11 is pushed, the vertical positioning clamping plate 33 can be inserted into the support pipe 2 through the through slots 21, then the constructor rotates the rotating sleeve 32, the rotating sleeve 32 can drive the positioning clamping plate 33 positioned in the support pipe 2 to rotate to be in a horizontal state, and further, the protective fence 1 surrounded by the square frame 11 and the protective column 12 is conveniently and fixedly supported on the side surface of the support pipe 2 through the cooperation of the rotated positioning clamping plate 33 and the through slots 21; when the protective guard 1 needs to be disassembled, the constructor can reversely rotate the rotating sleeve 32 on the side face of the square frame 11 at the moment, rotate the positioning clamping plate 33 in a horizontal state to be in a vertical state, and then pull the protective guard 1 away from the side face direction of the supporting tube 2 by the constructor, so that the positioning clamping plate 33 is separated from the through slot 21, and the protective guard 1 is convenient to disassemble.
As an embodiment of the present invention, the embedded fixing mechanism 4 includes a supporting cylinder seat 41, an insertion tube 42, positioning inclined blocks 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, wherein 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 at 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 perforations 421 are formed in an array at the bottom end outer ring surface of the insertion tube 42, positioning inclined blocks 43 are slidably inserted into the plurality of positioning perforations 421, the extrusion push rod 44 is slidably disposed in the vertical direction in the insertion tube 42 through a supporting ring 46, a plurality of extrusion inclined blocks 45 are disposed in an array at the outer ring wall of the extrusion push rod 44, each extrusion inclined block 45 is slidably and in extrusion contact with each positioning inclined block 43, a compression ring 47 is fixedly disposed at the top end of the extrusion inclined block 47, a spring is disposed between the extrusion ring and the supporting ring 46, the top end of the supporting tube 2 is slidably disposed in the inner portion 49, and the sealing plug 49 is slidably connected with the threaded hole 48 by passing through the threaded hole 48 at the bottom end of the threaded push rod 48; when the support tube 2 is required to be fixed on the ground in operation, a constructor is required to drill a mounting hole in advance on the ground at this time, then the support tube seat 41 is inserted into the mounting hole, at this time, the constructor can fix the support tube seat 41 into the mounting hole in a concrete fixing mode as required, then the constructor sequentially inserts the support tube 2 into the support tube seat 41 through the insertion tube 42, and the positioning inclined block 43 which is arranged in the sliding manner in the positioning through hole 421 formed on the outer ring surface of the insertion tube 42 is aligned with the lower hole of the stepped hole in the support tube seat 41, then the positioning clamping plate 33 on the side surface of the block 11 is inserted into the support tube 2 through the through slot 21, so that the support tube 2 in the vertical state can support the protective fence 1, then the constructor continuously inserts the threaded push rod 48 into the support tube 2 from the threaded hole of the sealing plug 49 at the top end of the support tube 2, the bottom end of the threaded push rod 48 passes 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 pushes the extrusion push rod 44 to drive the extrusion inclined block 45 to move downwards in the plug-in pipe 42, at this time, the plurality of extrusion inclined blocks 45 can extrude the plurality of positioning inclined blocks 43 to slide outwards from the positioning through holes 421, so that the plurality of positioning inclined blocks 43 can slide to the connection position of the lower hole and the upper hole of the stepped hole, the diameter of the lower hole is larger than that of the upper hole, therefore, the plurality of extended positioning inclined blocks 43 can play a role in positioning and fixing the plug-in pipe 42, after the positioning inclined blocks 43 are completely clamped in the stepped hole, the thread on the outer ring at the top end of the threaded push rod 48 can be connected into the threaded hole formed in the center of the sealing plug 49, and further realize the role in fixing the extended positioning inclined blocks 43, the plug tube 42 can be fixedly supported in the supporting cylinder seat 41 in an embedded manner, and the supporting tube 2 is fixedly supported, so that rainwater or surface water is prevented from entering the supporting cylinder seat 41 through a gap between the supporting cylinder seat 41 and the plug tube 42, and the positioning inclined block 43 or other parts in the supporting cylinder seat 41 are rusted, and a constructor can smear sealant between the supporting cylinder seat 41 and the plug tube 42 to seal at the moment; when the guard rail 1 needs to be disassembled, a constructor firstly reversely rotates the threaded push rod 48 to slowly withdraw from the support tube 2, at the moment, the compressed spring resilience force 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 the moment, the extrusion push rod 44 can drive the extrusion inclined block 45 to slide upwards from the positioning inclined block 43, so that the extrusion inclined block 45 is separated from the extrusion of the positioning inclined block 43, a plurality of positioning inclined blocks 43 slide into the positioning perforation 421 conveniently, the positioning inclined blocks are separated from the embedded positioning of the opposite insertion tube 42 from the lower hole of the stepped hole, then the guard rail 1 is taken down from the side surface of the support tube 2, and the support tube 2 is pulled upwards, so that the insertion tube 42 is separated from the support tube seat 41, and the guard net is convenient to disassemble from the periphery of the foundation pit.
As an embodiment of the present invention, the positioning clamping plate 33 is provided with a through hole 331, and the lower end of the threaded push rod 48 is inserted into the through hole 331; during operation, when the screw thread push rod 48 inserts inside stay tube 2 constantly through the screw hole, the bottom of screw thread push rod 48 constantly can insert in the through-hole 331 of seting up on the location cardboard 33 this moment, consequently, after screw thread push rod 48 inserts in stay tube 2 completely, screw thread push rod 48 can play spacing fixed effect to location cardboard 33 this moment, can prevent when constructor rotates the cover 32 by mistake, location cardboard 33 rotates in stay tube 2 and is vertical state, and then lead to location cardboard 33 to receive external pulling force to break away from the phenomenon of breaking through in slot 21, thereby influence the phenomenon that rail guard 1 breaks away from stay tube 2.
As an embodiment of the present invention, a tensioning and positioning mechanism 5 is disposed in the socket pipe 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 surface of the socket pipe 42, a top end of the guide post 51 is slidably inserted into a guide hole formed in a bottom end surface of the extrusion push rod 44, a plurality of elastic tensioning strips 52 are circumferentially arrayed and fixed on an outer ring surface of the guide post 51, and the other ends of the plurality of elastic tensioning strips 52 are slidably connected to guide sliding grooves 431 formed in inner side surfaces of the plurality of positioning inclined blocks 43, respectively; when the extrusion push rod 44 drives the plurality of extrusion inclined blocks 45 to move downwards to extrude the positioning inclined blocks 43 outwards from the inside of the supporting tube 2, the elastic tensioning strips 52 which are arranged in the sliding grooves 431 on the side surfaces of the positioning inclined blocks 43 can generate elastic tensioning, meanwhile, the extrusion push rod 44 can be sleeved on the outer wall of the guide column 51 to slide downwards, the guide column 51 can conveniently guide the extrusion push rod 44 which slides downwards, after the extrusion push rod 44 drives the plurality of extrusion inclined blocks 45 to move upwards to separate from the inside of the plurality of positioning inclined blocks 43, the plurality of positioning inclined blocks 43 which slide outwards at the moment can slide inwards of the supporting tube 2 under the elastic contraction force of the elastic tensioning strips 52, and the positioning inclined blocks 43 can be conveniently hidden in the positioning perforations 421, so that the plug pipe 42 can be conveniently and rapidly taken out from the supporting tube seat 41 for disassembly.
As an embodiment of the present invention, a conversion rod 53 is slidably inserted in the support tube 2 in the vertical direction through the support ring 46, the conversion rod 53 is located between two nearest through slots 21 formed on the support tube 2, a pressing ring 47 is also fixed at the top end of the conversion rod 53, a spring is disposed between the pressing ring 47 and the support ring 46, the top end of the conversion rod 53 is in contact with the bottom end of the threaded push rod 48 slidably inserted in the support tube 2, and the bottom end of the conversion rod 53 is in sliding and extrusion contact with the top end surface of the pressing push rod 44; in order to reduce the length of the whole threaded push rod 48 during operation, a constructor can conveniently and rapidly install and detach the threaded push rod 48 on the support tube 2; therefore, the invention slides and inserts the switching rod 53 inside the support tube 2 between two adjacent nearest through slots 21, and then when the bottom end of the threaded push rod 48 is inserted downwards 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 clamping plates 33 above the support tube 2, so that the threaded push rod 48 can realize limiting fixation of the positioning clamping plates 33 above the inside of the support tube 2, then the bottom end of the threaded push rod 48 can press the switching rod 53 to slide downwards in the support tube 2 along with the continuous downward insertion of the threaded push rod 48, so that the switching rod 53 can pass through the through holes 331 formed in the positioning clamping plates 33 below the support tube 2, and then the switching rod 53 can perform fixed limiting on the positioning clamping plates 33 below the side surface of the square frame 11, and 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, and then the bottom end of the switching rod 53 can contact with the pressing push rod 44, so that the switching rod 53 can press the switching rod 44 to be pushed out of the pressing block 45 from the lower sliding block 45, and can be pushed out of the sliding block 45 obliquely and can be pushed out of the push rod 43 from the lower positioning clamping plate 43, and the sliding block 43 can be pushed out of the positioning clamping plate 43 obliquely upwards, and the sliding block 43 can be pushed out of the positioning clamping plate 43.
Working principle: when the support pipe 2 is required to be fixed on the ground, a constructor is required to drill a mounting hole in advance on the ground, then the support cylinder seat 41 is inserted into the mounting hole, at this time, the constructor can fix the support cylinder seat 41 into the mounting hole in a concrete fixing mode according to the requirement, then the constructor sequentially inserts the support pipe 2 into the support cylinder seat 41 through the insertion pipe 42, the positioning inclined block 43 which is arranged in a sliding manner in the positioning through hole 421 formed on the outer ring surface of the insertion pipe 42 is aligned with the lower hole of the stepped hole in the support cylinder seat 41, then one side surface of the square frame 11 provided with the positioning clamping plate 33 is close to the side surface of the support pipe 2, simultaneously the upper positioning clamping plate 33 and the lower positioning clamping plate 33 are aligned with the through slots 21 formed on the side surface of the support pipe 2, then the square frame 11 is pushed, the vertical positioning clamping plate 33 can be inserted into the support pipe 2 through the through slots 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, the protective fence 1 enclosed by the square frame 11 and the protective column 12 is conveniently and fixedly supported to the side surface of the supporting tube 2 through the cooperation of the rotated positioning clamping plate 33 and the through slot 21, then the constructor continuously inserts the threaded push rod 48 into the supporting tube 2 from the threaded hole of the sealing plug 49 at the top end of the supporting tube 2, the bottom end of the threaded push rod 48 can pass through the positioning clamping plate 33 to be in 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 inclined block 45 to move downwards in the inserting tube 42, at the moment, the plurality of extrusion inclined blocks 45 can extrude the plurality of positioning inclined blocks 43 to slide outwards from the positioning through holes 421, and then a plurality of location sloping blocks 43 can slide to the shoulder hole lower hole and go up hole junction, and the diameter of this lower hole is greater than the diameter of last hole, consequently, a plurality of location sloping blocks 43 that should stretch out can play the fixed effect in location to the plug 42, after location sloping block 43 blocks into the shoulder hole completely, the screw hole that sealing plug 49 center was offered can be connected to the screw thread of screw thread push rod 48 top outer lane this moment, and then realize carrying out fixed stay to stay tube 2, in proper order according to the aforesaid, can realize installing and laying the subaerial rail guard in foundation ditch periphery.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a municipal road foundation ditch safety device, includes rail guard (1) and stay tube (2), rail guard (1) include square frame (11) and guard post (12), its characterized in that, vertically be provided with a plurality of guard posts (12) in square frame (11), stay tube (2) both sides are connected with square frame (11) through connecting supporting mechanism (3) support, the bottom of stay tube (2) is through built-in fixed establishment (4) fixed stay to ground above the foundation ditch periphery;
the embedded fixing mechanism (4) comprises a supporting cylinder seat (41), a plug-in pipe (42), a positioning inclined block (43), an extrusion push rod (44), an extrusion inclined block (45), a supporting ring (46), an extrusion ring (47) and a threaded push rod (48), wherein the supporting cylinder seat (41) is fixedly arranged in a mounting hole formed in the ground of a foundation pit, a stepped hole is formed in the supporting cylinder seat (41), the bottom end of the supporting pipe (2) is fixedly provided with the plug-in pipe (42), the plug-in pipe (42) is slidably inserted into the supporting cylinder seat (41), a plurality of positioning perforations (421) are formed in an outer ring surface array at the bottom end of the plug-in pipe (42), the positioning inclined block (43) is slidably inserted into the positioning perforations (421), the extrusion push rod (44) is slidably arranged in the vertical direction in the plug-in pipe (42) through the supporting ring (46), a plurality of extrusion inclined blocks (45) are arranged on the outer ring wall array of the extrusion push rod (44), and each extrusion inclined block (45) is slidably contacted with each positioning inclined block (43) in a sliding mode.
The tensioning and positioning mechanism (5) is arranged inside the plug tube (42), the tensioning and positioning mechanism (5) comprises a guide column (51) and an elastic tensioning strip (52), the guide column (51) is vertically fixed to the bottom end surface inside the plug tube (42), and the top end of the guide column (51) is slidably inserted into a guide hole formed in the bottom end surface of the extrusion push rod (44);
the circumference array of the outer ring surface of the guide post (51) is fixedly provided with a plurality of elastic tensioning strips (52), 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.
2. The municipal road foundation pit safety device according to claim 1, wherein: the utility model provides a connecting support mechanism (3) is including fixed column (31), rotation cover (32) and location cardboard (33), two fixed column (31) are fixed to be set up in one side outer wall of square frame (11), and all rotate on every fixed column (31) and be provided with rotation cover (32), every the terminal surface of rotation cover (32) all is fixed with location cardboard (33), link up slot (21) have been seted up with the circumference outer lane face that square frame (11) correspond to stay tube (2), and link up and slide in slot (21) and peg graft and have rotation cover (32) and location cardboard (33), be located link up slot (21) that slot (21) height was seted up in the right side wall face is less than in stay tube (2) left.
3. The municipal road foundation pit safety device according to claim 2, wherein: the top end of the extrusion push rod (44) is fixed with an extrusion ring (47), and a spring is arranged between the extrusion ring (47) and the support ring (46).
4. A municipal road foundation pit safety device according to claim 3, wherein: a 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) passes through the threaded hole to be in contact with the upper surface of the extrusion ring (47), and the threaded push rod (48) is in threaded connection with the threaded hole.
5. The municipal road foundation pit safety device according to claim 2, wherein: the locating clamping plate (33) is provided with a through hole (331), and the lower end of the threaded push rod (48) is inserted into the through hole (331) in a penetrating mode.
6. A municipal road foundation pit safety device according to claim 3, wherein: a conversion rod (53) is inserted in the support tube (2) in a sliding manner through a support ring (46), and the conversion rod (53) is positioned between two nearest through slots (21) formed in the support tube (2).
7. The municipal road foundation pit safety device according to claim 6, wherein: the top end of the switching rod (53) is also fixed with the extrusion ring (47), a spring is arranged between the extrusion ring (47) and the supporting ring (46), the top end of the switching rod (53) is in sliding extrusion contact with the top end surface of the extrusion push rod (44) and is in sliding insertion contact with the bottom end of the threaded push rod (48) in the supporting tube (2).
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| CN202211099759.0A CN115434573B (en) | 2022-09-09 | 2022-09-09 | Municipal road foundation pit safety device |
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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 true 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 |
| 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 |
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| CN115434573A (en) | 2022-12-06 |
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