CN118127962A - Prevent side slope falling stone and remove rack - Google Patents

Abstract

The application relates to a movable shed frame for preventing falling rocks of a side slope, which belongs to the technical field of side slope protection and comprises a plurality of upright posts, longitudinal beams, cross beams, steel plates and blocking mechanisms, wherein the upright posts are arranged on the ground, the upright posts are distributed in two rows on two sides of a road, the longitudinal beams are arranged on the upright posts of each row, the cross beams are provided with the plurality of the cross beams, and the steel plates are arranged on the cross beams; the blocking mechanism is arranged on the upright post close to the side slope and used for blocking falling rocks. The existing road below the tunnel portal is protected by the shed frame, construction personnel can construct the tunnel portal of the shed frame protection section, after construction is completed, the shed frame is integrally moved to the next construction section, and the problems that the construction period for protecting the road is long and the cost is high when the tunnel portal of the existing road section is constructed are effectively solved.

Description

Prevent side slope falling stone and remove rack

Technical Field

The application relates to the technical field of slope protection, in particular to a movable shed frame for preventing falling rocks of a slope.

Background

When the tunnel construction of the existing road section is carried out, falling rocks are inevitably caused to roll down from the side slope to the road in the process of roadbed excavation of the tunnel opening section, and in order to ensure the safety requirement of the existing road, the road below the tunnel opening section is required to be protected, and the traffic safety of vehicles, pedestrians and the like on the existing road is ensured.

At present, the existing roads are protected by adopting schemes such as shed tunnel protection, road diversion and detouring, wherein the shed tunnel protection is to cast a foundation on the existing roads, pre-embed upright posts in the foundation, then set up steel beams and steel plates on the upright posts, and protect the whole section of the existing roads below the tunnel portal; the road rerouting and detouring is to detouring the tunnel portal section through the newly built road, thereby keeping the existing road open.

The protection scheme of shed tunnel protection has better protection on the existing road, but has long construction period, high construction cost and higher construction difficulty; the scheme of the road diversion detouring has better safety guarantee on road traffic, but the construction period is long and the cost is high. Therefore, whichever road protection scheme is adopted, there is a problem that the construction period for protecting the road is long and the cost is high when the tunnel portal of the existing route section is constructed.

Disclosure of Invention

The application provides a movable shed frame for preventing falling rocks of a side slope, aiming at solving the problems of long construction period and high cost of road protection when a tunnel portal of an existing road section is constructed.

The application provides a slope falling stone moving prevention shed frame, which adopts the following technical scheme:

The side slope falling stone mobile shed frame comprises a plurality of upright posts, longitudinal beams, cross beams, steel plates and a blocking mechanism, wherein the plurality of upright posts are arranged on the ground, the plurality of upright posts are distributed in two rows on two sides of a road, the longitudinal beams are arranged on the plurality of upright posts in each row, the plurality of cross beams are arranged on the longitudinal beams, and the steel plates are arranged on the cross beams and are used for sealing gaps between the two rows of upright posts; the blocking mechanism is arranged on the upright post close to the side slope and used for blocking falling rocks.

Through adopting above-mentioned technical scheme, constructor is two rows of installations with a plurality of stands on the ground of the both sides of road, then install the top of a plurality of stands of every row with the longeron, install two longerons respectively with the both ends of a plurality of crossbeams again on, lay the steel sheet to the crossbeam again, then install blocking mechanism to being close to on the stand that the side slope surveyed, the shed frame that forms can be with the existing road protection of tunnel portal below is including, constructor can be under construction to the tunnel portal of shed frame protection section, after the construction is accomplished, with shed frame bulk movement to next construction section again, under the tunnel portal construction of going on next section, effectively improve the problem that the construction period who carries out the guarantor to the road when constructing the tunnel portal of existing road section is long and with high costs.

Optionally, the blocking mechanism includes base, expansion plate, sliding sleeve and buffer spring, the base sets up subaerial, the expansion plate articulates and sets up on the base, the one end that the base was kept away from to the expansion plate articulates and sets up on the sliding sleeve, the length of expansion plate is scalable, the expansion plate is from being close to the stand to keeping away from the direction slope of stand downwards, the sliding sleeve slides and sets up on the stand, buffer spring is connected with the sliding sleeve.

Through adopting above-mentioned technical scheme, when the barren rock rolls down to existing road, the barren rock striking is to on the expansion plate, the expansion plate receives the striking back, the expansion plate drives the sliding sleeve and slides downwards, the in-process length that the expansion plate moved downwards shortens, the in-process that the sliding sleeve moved downwards extrudees buffer spring, and then the impact force to the stand to the barren rock is cushioned, and the expansion plate of slope can make the part impact force of barren rock be vertical transmission to the stand on, reduce the shearing force that the stand receives, effectively promote the protective effect to existing road, and the barren rock slides off after the expansion plate, buffer spring can drive the sliding sleeve again and drive the expansion plate and reset, promote the convenience that the expansion plate reseed in the pole setting after receiving the striking.

Optionally, the expansion plate includes support sleeve, backup pad and reset spring, support sleeve articulates and sets up on the base, support sleeve inside cavity and keep away from the one end opening setting of base, the backup pad slides and sets up on the inside wall of support sleeve, the backup pad articulates and sets up on the sliding sleeve, reset spring sets up in the backup pad, reset spring is connected with the interior bottom wall of support sleeve.

Through adopting above-mentioned technical scheme, after the expansion plate received the barreled stone striking, the sliding sleeve drove the backup pad and moves down, and the backup pad removes to the direction that is close to the supporting sleeve, and the backup pad extrudees reset spring, and reset spring further provides the buffering to the striking of barreled stone to after barreled stone leaves the expansion plate, reset spring can drive the backup pad again and sheathe in the supporting and reset, and the expansion plate of being convenient for carries out adaptability flexible at the removal in-process.

Optionally, keep away from the side slope side be provided with the supporting mechanism who is used for supporting the stand on the stand, supporting mechanism includes adapter sleeve, supporting legs, screw rod and drive assembly, the adapter sleeve articulates the setting on the stand, the supporting legs slides and sets up on the inside wall of adapter sleeve, the screw rod rotates the setting on the interior diapire of adapter sleeve, screw rod and supporting legs threaded connection, drive assembly sets up on the adapter sleeve and is used for driving the screw rod to rotate.

Through adopting above-mentioned technical scheme, constructor will keep away from the stand of side slope side and install subaerial back, drive the adapter sleeve to expand from the stand, then drive the screw rod through drive assembly and rotate for the supporting legs removes to the direction of keeping away from the adapter sleeve, and the supporting legs butt is to keeping away from subaerial of side slope side, and the supporting legs can support the stand of side slope side of keeping away from, promotes the bearing capacity of rack.

Optionally, the drive assembly includes rocking handle, initiative bevel gear and driven bevel gear, the rocking handle rotates and sets up on the adapter sleeve, initiative bevel gear coaxial arrangement is on the rocking handle, driven bevel gear coaxial arrangement is on the screw rod, driven bevel gear and initiative bevel gear meshing.

Through adopting above-mentioned technical scheme, constructor rotates the rocking handle, and the rocking handle drives the initiative bevel gear and rotates, and the initiative bevel gear drives driven bevel gear and rotates, and driven bevel gear can drive the screw rod and rotate, can drive the screw rod through the positive and negative rotation of control rocking handle and carry out positive reversal, effectively promotes constructor and drives the screw rod and carry out pivoted convenience.

Optionally, be provided with the anchor mechanism that is used for with supporting legs anchor to subaerial on the supporting legs, anchor mechanism includes dowel, locating plate and positioning spring, the dowel sets up on the supporting legs, the holding tank has been seted up on the lateral wall of dowel, the locating plate articulates the setting on the lateral wall of holding tank, the locating plate is from keeping away from the supporting legs to being close to the direction slope of direction gradually to keeping away from the dowel of supporting legs, positioning spring sets up on the diapire of holding tank, positioning spring is articulated with the locating plate.

Through adopting above-mentioned technical scheme, constructor orders about supporting legs butt to subaerial, in inserting subaerial in the dowel inserts subaerial in-process, the locating plate rotates to the holding tank under the extrusion effect of earth, the locating plate extrudees positioning spring, after the dowel inserts subaerial, positioning spring orders about the locating plate to follow the holding tank internal rotation to go out, when the dowel has the trend that breaks away from subaerial, the locating plate can conflict on earth, prevents the dowel to break away from subaerial, effectively promotes the steadiness of supporting legs subaerial.

Optionally, be provided with on the dowel and be used for driving the locating plate to rotate to the retraction assembly in the holding tank, retraction assembly includes stay cord and pull ring, the stay cord slides and wears to establish in the dowel, the stay cord is connected with the locating plate, the pull ring sets up the one end of keeping away from the locating plate at the stay cord.

Through adopting above-mentioned technical scheme, constructor pulling pull ring for in stay cord pulling locating plate rotated the holding tank, can remove the locating plate to the restriction of peg in ground, the inspector can take out the peg from ground, then removes the rack, effectively promotes the convenience when constructor removes the rack.

Optionally, the draw-in groove has been seted up on the stand, the longeron inlays and establishes in the draw-in groove, be provided with the limiting plate through the bolt on the stand, the limiting plate supports the longeron tightly on the inside wall of draw-in groove.

Through adopting above-mentioned technical scheme, constructor inlays the longeron and establishes to the inner wall of draw-in groove on, then installs the limiting plate to the stand through the bolt for the limiting plate supports the longeron tightly on the inside wall of draw-in groove, can accomplish the installation of longeron on the stand, and the inside wall of draw-in groove and limiting plate are fixed the longeron, promotes constructor and installs and dismantle the convenience of longeron in the time of, promotes the steadiness of longeron on the stand.

Optionally, be provided with the locating component that is used for fixing a position the steel sheet on the crossbeam on the steel sheet, the locating component includes clamp plate, snap ring and nut, the clamp plate butt sets up on the steel sheet, snap ring upper portion opening sets up, the bottom at the crossbeam is embraced to the snap ring, just the both ends of snap ring all pass the steel sheet and slide and wear to establish on the clamp plate, the nut screw thread sets up on the snap ring and supports tightly with the clamp plate.

Through adopting above-mentioned technical scheme, constructor places the steel sheet on the crossbeam, then embraces the clamp ring and establish to the bottom of crossbeam for the steel sheet is all passed at the both ends of snap ring, places the clamp plate on the steel sheet again, makes the both ends of snap ring pass the clamp plate, then twists the nut on the snap ring and makes the nut support tightly to the clamp plate, can firmly install the steel sheet on the crossbeam, and the constructor of being convenient for follow-up with the steel sheet harmless dismantles.

Optionally, the bottom of stand is provided with the toe board, the toe board is all connected with the bottom of a plurality of stands of every row.

Through adopting above-mentioned technical scheme, the toe board is connected the bottom of a plurality of stands of every row as a whole, promotes the stability of a plurality of stands of every row to a plurality of stands of every row are through toe board butt subaerial, and the constructor of being convenient for promotes the stand subsequently and shifts.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the existing roads below the tunnel portal are protected by the shed frame, construction personnel can construct the tunnel portal of the shed frame protection section, after construction is completed, the shed frame is integrally moved to the next construction section, and construction is carried out on the tunnel portal of the next section, so that the problems of long construction period and high cost of road protection during construction on the tunnel portal of the existing road section are effectively solved;

2. the buffer spring is extruded in the process of downward movement of the sliding sleeve, so that impact force of the rolling stone on the upright post is buffered, the impact force of the rolling stone can be vertically transmitted to the upright post through the inclined telescopic plate, shearing force born by the upright post is reduced, and the protection effect on the existing road is effectively improved;

3. The supporting legs are abutted to the ground far away from the side slope side, and can support the stand column far away from the side slope side, so that the bearing capacity of the shed frame is improved.

Drawings

Fig. 1 is a schematic structural view of a shed frame for preventing falling rocks on a side slope according to an embodiment of the present application.

Fig. 2 is a schematic structural view of the columns, stringers, beams and steel plates according to an embodiment of the present application (the steel plates are exploded away from the beams).

FIG. 3 is a schematic view of the structure of the blocking mechanism (partially cut away from the support sleeve) according to an embodiment of the present application.

Fig. 4 is a schematic structural view of the support mechanism and the anchoring mechanism (partially cut away of the connection sleeve and anchor) according to an embodiment of the present application.

Fig. 5 is an enlarged partial schematic view of the portion a in fig. 4.

Fig. 6 is a partially enlarged schematic view of the portion B in fig. 4.

Reference numerals: 1. a column; 2. a longitudinal beam; 3. a cross beam; 4. a steel plate; 5. a blocking mechanism; 51. a base; 52. a telescoping plate; 521. a support sleeve; 522. a support plate; 523. a return spring; 53. a sliding sleeve; 54. a buffer spring; 6. a support mechanism; 61. connecting sleeves; 62. supporting feet; 63. a screw; 64. a drive assembly; 641. a rocking handle; 642. a drive bevel gear; 643. a driven bevel gear; 7. an anchoring mechanism; 71. inserting nails; 711. a receiving groove; 72. a positioning plate; 73. a positioning spring; 8. retracting the assembly; 81. a pull rope; 82. a pull ring; 9. a limiting plate; 10. a positioning assembly; 101. a pressing plate; 102. a clasp; 103. a nut; 11. a foot post; 12. a scissors support; 13. a U-shaped card; 14. and (5) a diagonal bracing beam.

Detailed Description

The application is described in further detail below with reference to fig. 1-6.

The embodiment of the application discloses a movable shed frame for preventing falling rocks on a side slope.

Referring to fig. 1, the slope falling stone prevention mobile shed frame comprises upright posts 1, longitudinal beams 2, cross beams 3, steel plates 4, blocking mechanisms 5 and supporting mechanisms 6.

Referring to fig. 1, a plurality of columns 1 are installed on the ground, the columns 1 are distributed on two sides of a protection passage in two rows, in this embodiment, the columns 1 are steel pipes, and each row of columns 1 is provided with a scissor support 12 through a fastener, and the scissor supports 12 connect the columns 1 to promote the shearing capacity of the columns 1; the bottoms of the columns 1 are provided with column foot plates 11, and the column foot plates 11 extend to be connected with the bottoms of the columns 1 in each row.

When constructor installs stand 1, connect the bottom of a plurality of stands 1 of every row into a whole through toe board 11, toe board 11 increases the area of contact of stand 1 and ground, and effective stand 1 erects the stability on ground to a plurality of stands 1 of every row are through toe board 11 and ground contact, and the constructor of being convenient for follow-up whole promotion of constructor shifts to next construction section to stand 1.

Referring to fig. 1 and 2, a clamping groove is formed in the top of each upright 1, a longitudinal beam 2 is embedded in the clamping groove at the top of each row of a plurality of uprights 1, a limiting plate 9 is mounted on each upright 1, in this embodiment, each longitudinal beam 2 is i-steel, each limiting plate 9 is a U-shaped steel plate 4 with an opening at the lower part, each limiting plate 9 is mounted on each upright 1 through a bolt, and each limiting plate 9 is used for buckling the corresponding longitudinal beam 2 and propping against each longitudinal beam 2; the crossbeam 3 installs a plurality ofly along the length direction interval of longeron 2 on longeron 2, the both ends of crossbeam 3 are connected respectively on two longerons 2, in this embodiment, crossbeam 3 is the I-steel, install side open-ended U-shaped card 13 on the longeron 2, the equal screw thread in upper and lower both sides of U-shaped card 13 is installed and is supported tight bolt, U-shaped card 13 is gone into crossbeam 3 and longeron 2's butt department from the side card, two tight bolts that support on the U-shaped card 13 support tightly on longeron 2 and crossbeam 3 respectively, can be fixed crossbeam 3 to longeron 2, and the last bolt mounting of stand 1 has the bracing roof beam 14, the bracing roof beam 14 passes through bolted connection in crossbeam 3's bottom, the bracing roof beam 14 provides the support for crossbeam 3, promote crossbeam 3's bearing capacity.

After the constructor erects stand 1 to subaerial, remove longeron 2 and make longeron 2 inlay and establish the draw-in groove of seting up to the top of stand 1, then with limiting plate 9 card to longeron 2 on, and pass limiting plate 9 with the bolt and screw in on the stand 1, make limiting plate 9 support longeron 2 tightly to the diapire of draw-in groove on, the lateral wall through the draw-in groove and the tight of limiting plate 9, can install longeron 2 firmly on stand 1, promote the steadiness of longeron 2 on stand 1, then constructor places a plurality of crossbeams 3 on longeron 2 along the length direction interval of longeron 2, remove U-shaped card 13 again and make U-shaped card 13 card go into the butt department of longeron 2 and crossbeam 3, screw up the tight bolt of U-shaped card 13 upside and support tightly to the lower flange of crossbeam 3, screw up the tight bolt of supporting of U-shaped card 13 downside and support to the top flange of longeron 2, can install longeron 3 firmly on longeron 2, effectively promote constructor install longeron 2 on stand 1 and install longeron 2 on longeron 2, and with the follow-up connection with 2 and the adoption of 2 and follow-up constructor, the convenience and dismantlement structure are all realized.

Referring to fig. 1 and 2, a steel plate 4 is mounted on a cross beam 3, the steel plate 4 seals a top gap between two rows of upright posts 1, in the embodiment, a rubber pad is mounted at the bottom of the steel plate 4 and is abutted on the cross beam 3, and the stability of the steel plate 4 on the cross beam 3 is improved; install locating component 10 on the steel sheet 4, locating component 10 is used for fixing a position steel sheet 4 on crossbeam 3, locating component 10 includes clamp plate 101, snap ring 102 and nut 103, clamp plate 101 butt is at the top of steel sheet 4, in this embodiment, set up the hole that supplies snap ring 102 to pass on the steel sheet 4, and set up two perforation that supply snap ring 102 to pass on the clamp plate 101, snap ring 102 is upper end open-ended U-shaped setting, snap ring 102 is embraced from the bottom of crossbeam 3 and is established on crossbeam 3, and the both ends of snap ring 102 pass steel sheet 4 and slip wears to establish on the side wall of perforation, the both ends of snap ring 102 are the screw thread setting, nut 103 is screw thread respectively at the both ends of snap ring 102 and installs one.

The constructor places steel sheet 4 on crossbeam 3, place clamp plate 101 again on steel sheet 4 for perforation on clamp plate 101 communicates with the hole on the steel sheet 4, then holds clamp ring 102 to the bottom of crossbeam 3, and makes the both ends of clamp ring 102 pass the hole respectively and pass the perforation, then twists nut 103 to clamp ring 102, and makes nut 103 support clamp plate 101 tightly on steel sheet 4, can be with steel sheet 4 firm connection to crossbeam 3, and constructor can follow-up nondestructive dismantlement of steel sheet 4 from crossbeam 3, reuse.

Referring to fig. 1 and 3, a blocking mechanism 5 is installed on a column 1 near a side slope, the blocking mechanism 5 is used for blocking falling rocks, the blocking mechanism 5 comprises a base 51, a telescopic plate 52, a sliding sleeve 53 and a buffer spring 54, the base 51 is installed on the ground, in the embodiment, a plurality of protrusions are installed on one side of the base 51, which is abutted against the ground, and increase friction force between the base 51 and the ground, so that stability of the base 51 on the ground is improved; the expansion plate 52 is hinged on the base 51, the length of the expansion plate 52 is telescopic, the expansion plate 52 comprises a supporting sleeve 521, a supporting plate 522 and a return spring 523, the supporting sleeve 521 is hinged on the base 51, the supporting sleeve 521 is hollow and is far away from an opening of one end of the base 51, the supporting plate 522 is slidably inserted on the inner side wall of the supporting sleeve 521 from the opening end of the supporting sleeve 521, one end of the supporting plate 522 far away from the supporting sleeve 521 is hinged on a sliding sleeve 53, the return spring 523 is mounted on the inner bottom wall of the supporting sleeve 521, the return spring 523 is connected with the supporting plate 522, the sliding sleeve 53 is slidably sleeved on the upright 1, the supporting plate 522 and the supporting sleeve 521 are gradually inclined downwards towards the side close to the side slope from the direction close to the upright 1, the buffer spring 54 is mounted on the upright 1, and the buffer spring 54 is connected with the sliding sleeve 53.

When the rolling stones roll down from the side slope, the rolling stones impact to the supporting sleeve 521 or the supporting plate 522, the supporting sleeve 521 and the supporting plate 522 block the rolling stones, the rolling stones are prevented from rolling down into the road, after the supporting sleeve 521 and the supporting plate 522 are impacted, the sliding sleeve 53 is driven to slide on the upright 1 in the direction close to the ground, the buffer spring 54 is extruded in the sliding process of the sliding sleeve 53, meanwhile, the supporting plate 522 moves in the direction close to the supporting sleeve 521 in the downward moving process of the sliding sleeve 53, the supporting plate 522 extrudes the reset spring 523 and further buffers the falling stones, and as the supporting plate 522 and the supporting sleeve 521 gradually incline downwards towards the side slope from the direction close to the upright 1 to the direction far away from the upright 1, the impact force of the rolling stones is enabled to incline to act on the upright 1, and then the component of partial impact force is enabled to act on the upright 1 downwards, the transverse shearing force applied to the upright 1 is reduced, the possibility of deformation generated when the upright 1 is reduced, the protection effect of the road is improved, after the falling stones are driven to slide from the inclined supporting plate 522 and the supporting sleeve 521 to slide away from the buffer spring 54, the reset spring 53 moves upwards, the reset plate 53 is driven to the reset plate 53 automatically, the reset plate is driven to move to the reset plate 53 and the reset plate is driven to the reset plate 52 to the direction far away from the side slope, and the telescopic plate 52 is reset to the telescopic plate 52 is convenient, and the reset plate 52 is realized.

Referring to fig. 1 and 4, the supporting mechanism 6 is mounted on the upright 1 far away from the side slope, the supporting mechanism 6 is used for supporting the upright 1 far away from the side slope, the supporting mechanism 6 comprises a connecting sleeve 61, supporting legs 62, a screw 63 and a driving assembly 64, the connecting sleeve 61 is hinged on the upright 1 far away from the side slope, the inside of the connecting sleeve 61 is hollow, one end far away from the upright 1 is provided with an opening, the supporting legs 62 are slidingly inserted on the inner side wall of the connecting sleeve 61 from the opening end of the connecting sleeve 61, the screw 63 is rotatably mounted on the inner bottom wall of the connecting sleeve 61, the screw 63 is threaded in the supporting legs 62, in the embodiment, the inner opening of the connecting sleeve 61 is rectangular, the cross section of the supporting legs 62 is also rectangular, in other embodiments, the inner opening of the connecting sleeve 61 and the cross section of the supporting legs 62 can also be triangular, pentagonal, hexagonal and the like, as long as the screw 63 can be prevented from driving the supporting legs 62 to rotate in the connecting sleeve 61; referring to fig. 5, a driving assembly 64 is mounted on the connecting sleeve 61, the driving assembly 64 is used for driving the screw 63 to rotate, the driving assembly 64 comprises a rocking handle 641, a driving bevel gear 642 and a driven bevel gear 643, the rocking handle 641 is rotatably mounted on the connecting sleeve 61, the rocking handle 641 is inserted into the connecting sleeve 61, the driving bevel gear 642 is coaxially mounted at one end of the rocking handle 641 located in the connecting sleeve 61, the driven bevel gear 643 is coaxially mounted on the screw 63, and the driven bevel gear 643 is meshed with the driving bevel gear 642.

Referring to fig. 4 and 6, an anchoring mechanism 7 is mounted on the supporting leg 62, the anchoring mechanism 7 is used for anchoring the supporting leg 62 to the ground, the anchoring mechanism 7 comprises a plug pin 71, a positioning plate 72 and a positioning spring 73, in this embodiment, a connecting bolt is mounted on the supporting leg 62, a connecting nut is mounted on the connecting bolt in a threaded manner, a connecting lug is mounted on the side wall of the plug pin 71, a constructor passes the connecting lug through the connecting bolt, then the connecting nut is screwed down to enable the connecting nut to abut against the connecting lug, connection of the plug pin 71 on the supporting leg 62 can be completed, the constructor unscrews the connecting nut from the connecting bolt, then the connecting bolt is pulled away from the connecting lug, the supporting leg 62 can be removed from the plug pin 71, and the situation that the constructor is difficult to move the supporting leg 62 when the plug pin 71 is difficult to take out from the ground is prevented.

The accommodating grooves 711 are formed in the side walls of the plug pins 71, in this embodiment, the accommodating grooves 711 are symmetrically formed in the side walls of the plug pins 71, one of the positioning plates 72 is hinged to the side wall of one accommodating groove 711, one end, close to the supporting leg 62, of the positioning plate 72 is gradually inclined towards the direction close to the plug pins 71 to one end, far away from the supporting leg 62, of the positioning plate 72, one end of the positioning spring 73 is arranged on the bottom wall of the accommodating groove 711, the other end of the positioning spring 73 is arranged on the positioning plate 72, and the positioning spring 73 always has a tendency of driving the positioning plate 72 to rotate towards the direction far away from the plug pins 71.

After the constructor installs the stand 1 of keeping away from the side slope side, rotate adapter sleeve 61 to the direction of keeping away from stand 1, adjust the angle of supporting legs 62 and dowel 71, then rotate rocking handle 641, rocking handle 641 drives initiative bevel gear 642 and rotates, initiative bevel gear 642 drives driven bevel gear 643 and rotates, can make supporting legs 62 remove to the direction of keeping away from adapter sleeve 61, supporting legs 62 drive dowel 71 insert the subaerial on road side, the in-process of dowel 71 inserts the ground, earth extrudes locating plate 72, make locating plate 72 rotate and shift into holding groove 711 to the direction that is close to dowel 71, locating plate 72 extrudes locating spring 73, make dowel 71 can insert subaerial smoothly, then locating spring 73 drives locating plate 72 to keep away from the direction rotation of dowel 71, and make locating plate 72 rotate out from holding groove 711, make locating plate 72 be close to the one end of supporting legs 62 to keep away from supporting legs 62 gradually to be close to the direction slope of dowel 71, if dowel 71 has the trend, locating plate 72 can be contradicted in the subaerial, prevent that the dowel 71 from being close to the direction rotation of dowel 71 from rotating to the direction of supporting legs 71, and then the bearing plate 72 can stably lift up the side slope 1 on the side slope side that makes the whole stand 1 is kept away from being far from 62, and further stable bearing force of supporting legs 1 can promote the side slope side of supporting legs 62.

Referring to fig. 4 and 6, the retraction assembly 8 is mounted on the plug pin 71, the retraction assembly 8 includes a pull rope 81 and a pull ring 82, in this embodiment, the plug pin 71 is provided with a channel for the pull rope 81 to pass from the side wall of the plug pin 71 near the supporting leg 62 to be connected to the positioning plate 72, the pull rope 81 passes through the channel and is connected to the positioning plate 72, in this embodiment, the pull rope 81 is a steel rope, and the pull ring 82 is mounted at one end of the pull rope 81 outside the plug pin 71.

When the positioning plate 72 is unfolded in the direction away from the plug pin 71, the pull rope 81 is driven to move, the pull ring 82 is abutted against the side wall of the plug pin 71 to prevent the positioning plate 72 from continuing to rotate in the direction away from the plug pin 71, the rotation angle of the positioning plate 72 is limited, and the positioning plate 72 is prevented from driving the pull rope 81 to slide into the plug pin 71 completely; when the inserting nails 71 need to be pulled out from the ground to move the shed frame, constructors pull the pull rings 82, so that the pull ropes 81 are pulled outwards, the pull ropes 81 can drive the positioning plates 72 to rotate into the accommodating grooves 711, the restriction of the positioning plates 72 on the inserting nails 71 in the ground is relieved, the inserting nails 71 can be pulled out from the ground by detection personnel, then the shed frame is moved, and convenience when the constructors move the shed frame is effectively improved.

The implementation principle of the slope falling stone moving prevention shed frame provided by the embodiment of the application is as follows: the constructor is two rows of the posts 1 and sets up the both sides to the passageway way of protecting, then install longeron 2 to post 1, crossbeam 3 installs to longeron 2, steel sheet 4 installs to crossbeam 3 and seals the top clearance of two rows of posts 1, and install blocking mechanism 5 to being close to on the post 1 of side slope side, make expansion plate 52 shelter from the bottom of post 1 that is close to side slope side, and support the post 1 that keeps away from side slope side through supporting mechanism 6, the rack that stand 1, longeron 2, crossbeam 3, steel sheet 4 and expansion plate 52 constitute can be with the road protection in, constructor can be under construction at the tunnel portal of rack protection section top, the rack can be blockked the rolling stone in the course of construction, after this section tunnel portal construction is accomplished, constructor will support mechanism 6, the inserted pin 71 is taken out subaerial, then whole removal rack, the in the course of movement post sole 11 slides on the road surface, with the rack whole remove to next construction section, can carry out next section tunnel portal construction through post 1, longeron 2, crossbeam 3, 4, the steel sheet 4 and the passageway way section of construction period is conveniently carried out, the road has the problem of the passageway way is conveniently reduced when the whole construction period is carried out, and the road is conveniently carried out.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (10)

1. Prevent side slope falling stone removal rack, its characterized in that: the road blocking device comprises upright posts (1), longitudinal beams (2), cross beams (3), steel plates (4) and blocking mechanisms (5), wherein a plurality of upright posts (1) are arranged on the ground, the upright posts (1) are distributed in two rows on two sides of a road, the longitudinal beams (2) are arranged on the upright posts (1) in each row, the cross beams (3) are arranged on the longitudinal beams (2), and the steel plates (4) are arranged on the cross beams (3) and are used for sealing gaps between the upright posts (1) in two rows; the blocking mechanism (5) is arranged on the upright post (1) close to the side slope and used for blocking falling rocks.

2. A slope rockfall removal canopy according to claim 1, wherein: the blocking mechanism (5) comprises a base (51), a telescopic plate (52), a sliding sleeve (53) and a buffer spring (54), wherein the base (51) is arranged on the ground, the telescopic plate (52) is hinged to the base (51), one end of the telescopic plate (52), which is far away from the base (51), is hinged to the sliding sleeve (53), the length of the telescopic plate (52) is telescopic, the telescopic plate (52) inclines downwards from a direction which is close to the upright post (1) to a direction which is far away from the upright post (1), the sliding sleeve (53) is arranged on the upright post (1) in a sliding mode, the buffer spring (54) is arranged on the upright post (1), and the buffer spring (54) is connected with the sliding sleeve (53).

3. A slope rockfall removal canopy according to claim 2, wherein: the expansion plate (52) comprises a supporting sleeve (521), a supporting plate (522) and a return spring (523), wherein the supporting sleeve (521) is hinged to the base (51), one end opening of the supporting sleeve (521) which is hollow is arranged at the inner side wall of the supporting sleeve (521) and far away from the base (51), the supporting plate (522) is arranged on the inner side wall of the supporting sleeve (521) in a sliding mode, the supporting plate (522) is hinged to the sliding sleeve (53), the return spring (523) is arranged on the supporting plate (522), and the return spring (523) is connected with the inner bottom wall of the supporting sleeve (521).

4. A slope rockfall removal canopy according to claim 1, wherein: keep away from the side be provided with on stand (1) be used for carrying out supporting mechanism (6) to stand (1), supporting mechanism (6) are including adapter sleeve (61), supporting legs (62), screw rod (63) and drive assembly (64), adapter sleeve (61) are articulated to be set up on stand (1), supporting legs (62) slide and set up on the inside wall of adapter sleeve (61), screw rod (63) rotate and set up on the interior diapire of adapter sleeve (61), screw rod (63) and supporting legs (62) threaded connection, drive assembly (64) set up on adapter sleeve (61) and are used for driving screw rod (63) to rotate.

5. The slope rockfall removal canopy of claim 4, wherein: the driving assembly (64) comprises a rocking handle (641), a driving bevel gear (642) and a driven bevel gear (643), wherein the rocking handle (641) is rotatably arranged on the connecting sleeve (61), the driving bevel gear (642) is coaxially arranged on the rocking handle (641), the driven bevel gear (643) is coaxially arranged on the screw (63), and the driven bevel gear (643) is meshed with the driving bevel gear (642).

6. The slope rockfall removal canopy of claim 4, wherein: be provided with on supporting legs (62) and be used for anchoring supporting legs (62) to subaerial anchoring mechanism (7), anchoring mechanism (7) are including dowel (71), locating plate (72) and positioning spring (73), dowel (71) set up on supporting legs (62), holding tank (711) have been seted up on the lateral wall of dowel (71), locating plate (72) articulated set up on the lateral wall of holding tank (711), locating plate (72) are from keeping away from supporting legs (62) to be close to the direction slope of direction gradually to keeping away from dowel (71) of supporting legs (62), positioning spring (73) set up on the diapire of holding tank (711), positioning spring (73) are articulated with locating plate (72).

7. The slope rockfall removal canopy of claim 6, wherein: be provided with on plug pin (71) and be used for driving locating plate (72) to rotate to retraction assembly (8) in holding tank (711), retraction assembly (8) are including stay cord (81) and pull ring (82), stay cord (81) slip wears to establish in plug pin (71), stay cord (81) are connected with locating plate (72), pull ring (82) set up in stay cord (81) keep away from the one end of locating plate (72).

8. A slope rockfall removal canopy according to claim 1, wherein: the clamping groove is formed in the upright post (1), the longitudinal beam (2) is embedded in the clamping groove, a limiting plate (9) is arranged on the upright post (1) through a bolt, and the limiting plate (9) abuts against the longitudinal beam (2) on the inner side wall of the clamping groove.

9. A slope rockfall removal canopy according to claim 1, wherein: the steel plate (4) is provided with a positioning assembly (10) for positioning the steel plate (4) on the cross beam (3), the positioning assembly (10) comprises a pressing plate (101), a clamping ring (102) and a nut (103), the pressing plate (101) is arranged on the steel plate (4) in a butt mode, an opening in the upper portion of the clamping ring (102) is formed, the clamping ring (102) is arranged at the bottom of the cross beam (3) in a embracing mode, the two ends of the clamping ring (102) penetrate through the steel plate (4) and slide through the steel plate (4) to be arranged on the pressing plate (101), and the nut (103) is arranged on the clamping ring (102) in a threaded mode and is abutted to the pressing plate (101).

10. A slope rockfall removal canopy according to claim 1, wherein: the bottom of stand (1) is provided with toe board (11), toe board (11) are all connected with the bottom of a plurality of stands (1) of every row.