CN115949290A - Protection device is used in highway engineering construction convenient to installation - Google Patents

Abstract

The invention discloses a protective device convenient to install and used for highway engineering construction, relates to the technical field of highway engineering construction, and comprises a foundation module, wherein the foundation module is provided with a supporting rod, and a switching assembly is installed on the top of the supporting rod in a threaded mode. This protector is used in highway engineering construction convenient to installation, insert in the angle locked groove through the locking lever that corresponds, it is rotatory to drive top cap and spiro union pole simultaneously, make this basic module possess certain self-destruction and anti-disassembly's function, can be at the hasp installation on different azimuths, can realize that this protector encloses together and protects arbitrary shape construction place ground, move towards different position switching, the installation, and can enclose when keeping off the construction place, save installation space, make the subassembly of standing can the soil condition of invisible topography, still firm provide vertical support for the bracing piece bottom, improve the anti-collision performance of the subassembly of standing, improve the anti external force impact strength of the subassembly of standing, the life of the subassembly of standing is prolonged.

Description

Protection device is used in highway engineering construction convenient to installation

Technical Field

The invention relates to the technical field of highway engineering construction, in particular to a protective device for highway engineering construction, which is convenient to install.

Background

At present, the highway engineering construction refers to the work such as investigation, measurement, design, construction, maintenance, management of highway structure thing, and highway engineering structure thing includes: roadbeds, pavements, bridges, culverts, tunnels, drainage systems, safety protection facilities, greening and traffic monitoring facilities, and houses, workshops and other service facilities used for construction, maintenance and monitoring; when the highway is constructed, a protection device is needed to isolate a construction site, so that the personal safety of a constructor and construction materials can not enter the road surface on which the vehicle runs, and the influence on the normal running of the vehicle is prevented.

The invention provides a foundation pit safety protection device for highway engineering construction in the prior Chinese patent publication No. CN113775243A, wherein the scheme of the invention comprises a safety protection device body, the safety protection device body comprises a base, and a support frame is welded on the base; when the device is closed towards different directions, a large amount of installation space is easily occupied; can not provide stable support for the bottom of the support rod regardless of the soil condition of the terrain.

Disclosure of Invention

In order to achieve the purpose, the invention is realized by the following technical scheme: a protective device convenient to mount for highway engineering construction comprises a foundation module, wherein the foundation module is provided with a supporting rod, a switching component is mounted at the top of the supporting rod in a threaded mode, a waist component is sleeved in the middle of the supporting rod, and a standing component is mounted at the bottom of the supporting rod in a threaded mode and used for being mounted on the ground through bolts; the outer surface of the switching assembly is provided with an upper rod piece in a combined mode, and the upper rod piece can be arranged on six positions of the switching assembly in an equilateral hexagonal array mode; the outer surface of the waist assembly is provided with lower rod pieces in a combined manner, and the lower rod pieces can be arranged on six positions of the waist assembly in an equilateral hexagonal array manner; the lower rod piece and the upper rod piece have the same structure, the middle part of the upper end of the supporting rod is connected with a short bolt head, and the middle part of the lower end of the supporting rod is provided with a threaded hole;

the adapter assembly comprises an adapter which is installed on a short bolt head at the upper end of the support rod in a threaded mode, a hexagonal inner cavity is formed in the middle of the upper end of the adapter, and a lock dropping assembly is inserted into the hexagonal inner cavity and used for locking the upper rod piece in the adapter in a locking mode; the opening and closing assembly is arranged at the upper end of the adapter and matched with the top of the drop lock assembly and used for limiting and installing the drop lock assembly in the hexagonal inner cavity integrally; wherein, open and close the upper end at the adapter of subassembly threaded mounting.

Preferably, the upper rod piece is provided with two butt-joint rods which are connected together in a telescopic mode, and the back side ends of the two butt-joint rods are fixedly connected with lock heads.

Preferably, the outer surface of the adapter is a circular array and is provided with at least six lock holes, a thread groove is formed in the upper end of the adapter and close to the outer side, and the lock holes penetrate through the adapter and are communicated with the hexagonal inner cavity.

Preferably, the waist subassembly includes that the suit is detained box and second at the first box of detaining on the bracing piece, and the box is detained to the second and installs under the first box of detaining, six inserted bars at least of first inboard bottom fixedly connected with of detaining the box, and the second detains the inboard bottom fixedly connected with of box and an inserted bar corresponding loop bar section of thick bamboo, and the box aggregate erection is detained through inserted bar and loop bar section of thick bamboo cooperation and second to first detain the box.

Preferably, at least six clamping grooves are formed in the inner side bottom plates of the first buckling box and the second buckling box in a circular array and used for locking the locking heads at the free ends of the lower rod pieces between the first buckling box and the second buckling box; the middle parts of the first buckle box and the second buckle box are fixedly connected with sliding sleeves respectively, and the waist assembly is sleeved on the supporting rod in a sliding mode.

Preferably, the subassembly of standing has the bottom casing of threaded mounting at the bracing piece lower extreme, just the upper end fixedly connected with plug bush and the screwed joint of bottom casing, screwed joint fixed connection is in the upper end middle part of bottom casing, and screwed joint is located the inboard middle part setting of plug bush, and bottom casing passes through screwed joint and bracing piece threaded mounting, and the plug bush is used for keeping apart threaded connection department.

Preferably, the outer surface of the plug bush is fixedly connected with at least four first edges, the bottom of the plug bush penetrates through the lower end of the bottom shell and is provided with a second edge fixedly connected with a circular array, the outer side edge of the second edge is fixedly connected onto the plug bush, and the lower end of the bottom shell is provided with a groove for increasing the contact area with the ground and reducing the material consumption of the bottom shell.

Preferably, the lock subassembly that falls includes the kicking block of cartridge in hexagonal cavity, and the quantity of kicking block has six at least, wherein, one the one side fixedly connected with arc of adapter is kept away from to the kicking block, and the lower extreme of kicking block passes through thin pole fixedly connected with lock body, the catching groove has been seted up to the lower extreme of lock body, can be with the tapered end hasp in the adapter, and six arc are circular array and constitute a hollow ring jointly.

Preferably, the open and close subassembly includes threaded connection at the top cap in the thread groove, and the upper end of top cap sets up the horned locked groove, the lower extreme middle part fixedly connected with spiro union pole and the double cone spring of top cap, when the double cone spring suit was on the spiro union pole, its upper end fixed connection was on the top cap, and spiro union pole lower extreme screw thread is installed in the inboard bottom of adapter.

Preferably, the double-cone spring is matched with the circular ring through the matching of the top cover and the adapter.

The invention provides a protective device for highway engineering construction, which is convenient to install. The method has the following beneficial effects:

1. this protector is used in highway engineering construction convenient to installation, insert in the angle locked groove through the locking lever that corresponds, it is rotatory to drive top cap and spiro union pole simultaneously, can realize above-mentioned operation, when utilizing the angle locked groove protection to open and close the subassembly and can not be opened by the pedestrian at will, when simplifying this switching subassembly and installing the member process, strengthen the inseparable bonding strength of both hasps, make this basic module possess certain oneself simultaneously and prevent destruction and prevent the function of dismantling, can protect construction team life safety and property safety.

2. This protector is used in highway engineering construction convenient to installation for the horizontal interception length of last member and lower member is all adjustable through the flexible connection between two butt joint pole proximal ends, for this reason under last member and lower member respectively with the hasp cooperation of switching subassembly and waist subassembly, and can install at the hasp on different azimuths between each basic module, can realize this protector and enclose to arbitrary shape construction site ground and gather together and protect.

3. The protective device for the highway engineering construction convenient to install can be used for carrying out lock catch installation at an angle different from the installation direction of the upper rod piece on the adapter according to actual requirements; get rid of the adjacent drawback of stacking of a plurality of basic modules in same place for same basic module can utilize last member and lower member of different quantity under the overlap joint of other basic modules in the equidirectional not, towards different position switching, installation at last member and lower member, and when can enclose fender construction site, save installation space, and can also guarantee that this protector encloses fender, isolation and protection to construction site.

4. This protector is used in highway engineering construction convenient to installation, through the recess of seting up bottom the shell body, can be when the construction site is non-cement road conditions, through with the whole non-cement ground of pressing in of shell body, increase the effective area of contact on shell body lower extreme and non-cement ground at the bottom, and through corresponding the screw thread through-nail hole of inserting with four dowels, help the steadiness of shell body on non-cement ground at the bottom, make the bracing piece that shell body and screw thread were installed at its upper end can vertically stand subaerial, with this realize the simplistic structure of shell body at the bottom, when with the light-dutyization of quality, realize the installation of the subassembly of standing on cement ground and non-cement ground, make the soil condition that the subassembly of standing can disregard the topography, still firm for bracing piece bottom provides vertical support.

5. This protector is used in highway engineering construction convenient to installation, through utilizing the plug bush, the protruding support of terminal surface about first edge and second edge to the end casing, when can strengthen end casing overall structure intensity, when avoiding passerby carelessly to roll end casing, to the holistic destruction in the twinkling of an eye of end casing, improve the anti impact performance of the subassembly of standing, improve the anti external force impact strength of the subassembly of standing, the life of the subassembly of standing is prolonged, make the subassembly of standing can cooperate the bracing piece to be recycled.

Drawings

Fig. 1 is an external structural view of a protective device for road engineering construction, which is convenient to install, according to the present invention;

FIG. 2 is a schematic structural diagram of the adapter assembly of the present invention;

FIG. 3 is a schematic structural view of an upper rod of the present invention;

FIG. 4 is a schematic view of the installation structure of the lower rod and the lumbar assembly of the present invention;

FIG. 5 is a schematic view of an assembly structure of the first buckle box and the second buckle box according to the present invention;

FIG. 6 is a top view of the bottom housing of the present invention;

FIG. 7 is a bottom view of the bottom housing of the present invention;

FIG. 8 is a schematic view of the overall construction of the drop lock assembly of the present invention;

FIG. 9 is a schematic structural view of an arc plate and lock body of the present invention;

FIG. 10 is a schematic view of the opening and closing assembly of the present invention;

figure 11 is a schematic cross-sectional view of the locking head of the present invention installed inside the adapter;

figure 12 is an exploded view of the locking head of the present invention installed with the adapter;

FIG. 13 is a schematic view of an assembly structure between three basic modules according to the present invention;

fig. 14 is a schematic view of an assembly structure between two base modules according to the present invention.

In the figure: 1. a support bar; 2. a switching component; 201. an adapter; 202. a lock hole; 203. a thread groove; 204. a hexagonal inner cavity; 3. an upper rod piece; 4. a waist feature; 401. a first buckle box; 402. inserting a rod; 403. a second buckle box; 404. a card slot; 405. a sliding sleeve; 5. a lower rod piece; 6. a standing assembly; 601. a bottom housing; 602. inserting a sleeve; 603. a threaded joint; 604. a first edge; 605. a second edge; 606. a groove; 7. a lock-down assembly; 701. a top block; 702. an arc-shaped plate; 703. a lock body; 704. buckling grooves; 8. an opening and closing assembly; 801. a top cover; 802. a corner lock groove; 803. a screw connection rod; 804. a double conical spring; 9. a docking rod; 10. a tapered end.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

In a first embodiment, as shown in fig. 1 to 5 and fig. 8 to 14, the present invention provides a technical solution: a protective device convenient to install for highway engineering construction comprises a foundation module, wherein the foundation module is provided with a supporting rod 1, a switching component 2 is installed on the top of the supporting rod 1 in a threaded mode, a waist component 4 is sleeved in the middle of the supporting rod 1, and a standing component 6 is installed at the bottom of the supporting rod 1 in a threaded mode and used for installing bolts on the ground; the outer surface of the adapter assembly 2 is provided with an upper rod piece 3 in a combined mode, and the upper rod piece can be arranged on six positions of the adapter assembly 2 in an equilateral hexagonal array mode; the outer surface of the waist component 4 is provided with lower rod pieces 5 in a combined manner, and the lower rod pieces can be arranged on six positions of the waist component 4 in an equilateral hexagonal array manner; the lower rod piece 5 and the upper rod piece 3 have the same structure, the middle part of the upper end of the support rod 1 is connected with a short bolt head, and the middle part of the lower end of the support rod 1 is provided with a threaded hole; the upper rod piece 3 is provided with two butt-joint rods 9 which are telescopically connected together, and the back side ends of the two butt-joint rods 9 are fixedly connected with lock heads 10;

the adapter assembly 2 comprises an adapter 201 which is installed on a short bolt head at the upper end of the support rod 1 in a threaded mode, a hexagonal inner cavity 204 is formed in the middle of the upper end of the adapter 201, and a lock dropping assembly 7 is inserted into the hexagonal inner cavity 204 and used for locking the upper rod piece 3 inside the adapter 201; the opening and closing assembly 8 is arranged at the upper end of the adapter 201 and is matched with the top of the drop lock assembly 7, and is used for limiting and installing the drop lock assembly 7 in the hexagonal inner cavity 204 integrally; wherein, the opening and closing component 8 is installed at the upper end of the adapter 201 in a threaded manner; the outer surface of the adapter 201 is in a circular array and is provided with at least six lock holes 202, a thread groove 203 is formed in the upper end of the adapter 201 and the side close to the outer edge, and the lock holes 202 penetrate through the adapter 201 and are communicated with a hexagonal inner cavity 204;

the waist component 4 comprises a first buckle box 401 and a second buckle box 403 which are sleeved on the support rod 1, the second buckle box 403 is installed under the first buckle box 401, the bottom of the inner side of the first buckle box 401 is fixedly connected with at least six insertion rods 402, the bottom of the inner side of the second buckle box 403 is fixedly connected with sleeve rod cylinders corresponding to the insertion rods 402, and the first buckle box 401 is installed with the second buckle box 403 in a combined mode through the cooperation of the insertion rods 402 and the sleeve rod cylinders; at least six clamping grooves 404 are formed in a circular array on the bottom plates of the inner sides of the first buckling box 401 and the second buckling box 403 and used for locking the lock head 10 on the free end of the lower rod piece 5 between the first buckling box 401 and the second buckling box 403; wherein, the middle parts of the first buckle box 401 and the second buckle box 403 are both fixedly connected with sliding sleeves 405 for sliding and sleeving the waist component 4 on the support rod 1 as a whole; the first buckle box 401 is opened upwards, so that the additional butt joint rod 9 can be detached or added in other directions;

the lock dropping component 7 comprises top blocks 701 inserted into the hexagonal inner cavity 204, the number of the top blocks 701 is at least six, wherein one side, away from the adapter 201, of one top block 701 is fixedly connected with an arc-shaped plate 702, the lower end of the top block 701 is fixedly connected with a lock body 703 through a thin rod, the lower end of the lock body 703 is provided with a buckling groove 704, the lock head 10 can be buckled in the adapter 201, and the six arc-shaped plates 702 form a circular array to jointly form a hollow circular ring;

the opening and closing assembly 8 comprises a top cover 801 in threaded connection with the thread groove 203, an angular locking groove 802 is formed in the upper end of the top cover 801, a screw rod 803 and a double-cone spring 804 are fixedly connected to the middle of the lower end of the top cover 801, the double-cone spring 804 is sleeved on the screw rod 803, meanwhile, the upper end of the double-cone spring is fixedly connected to the top cover 801, and the lower end of the screw rod 803 is in threaded connection with the bottom of the inner side of the adapter 201; the double-cone spring 804 is matched with the circular ring through the top cover 801 and the adapter 201; the arc-shaped plate 702 on each top block 701 is limited and extruded through the double-cone spring 804, so that when other top blocks 701 are lifted up, other lock bodies 703 are still extruded at the bottom of the hexagonal inner cavity 204 through the double-cone spring 804; the lock head 10 installed in other directions is prevented from falling off.

When the protective device is used, as shown in fig. 1, 13 and 14, different assembling modes among each basic module and different field shapes can be formed by assembling and matching the upper rod pieces 3 and the lower rod pieces 5 with the adapter assemblies 2 and the waist assemblies 4 in different numbers, and different protective shapes can be assembled by splicing according to the specific shape and size of a construction field and the surrounding building environment, so that the protection of the protective device on an engineering construction field and the warning, isolation and protection of passers-by are realized;

through the lock hole 202 formed in the outer surface of the adapter 201 and the limit installation of the lock falling assembly 7 in the inner side of the hexagonal inner cavity 204 under the limit matching of the opening and closing assembly 8, the upper rod piece 3 can be installed in any one hole of the six lock holes of the adapter 201, and then the lock catch installation of the lower rod piece 5 between the first buckle box 401 and the second buckle box 403 is combined; the lower rod piece 5 can be correspondingly installed along with the upper rod piece 3 above the lower rod piece, and can be installed in a locking manner at an angle different from the installation direction of the upper rod piece 3 on the adapter 201 according to actual requirements; the defect that a plurality of foundation modules are stacked next to each other in the same place is overcome, so that the same foundation module can be connected and installed towards different directions by using different numbers of upper rods 3 and lower rods 5 under the condition that the upper rods 3 and the lower rods 5 are in lap joint with other foundation modules in different directions, a construction site can be enclosed, the installation space is saved, and the enclosure, isolation and protection of the construction site by the protection device can be guaranteed;

the adjacent ends of the two butt-joint rods 9 are in telescopic connection, so that the transverse interception lengths of the upper rod piece 3 and the lower rod piece 5 can be adjusted, the upper rod piece 3 and the lower rod piece 5 are respectively matched with the lock catches of the switching assembly 2 and the waist assembly 4, and the lock catches of the base modules can be mounted on different azimuth angles, so that the protective device can be used for enclosing and protecting construction sites with any shapes;

the locking head 10 is inserted into the hexagonal inner cavity 204 corresponding to the locking hole 202, the locking head 10 is locked in the buckling groove 704 through the lock body 703 in the corresponding direction, then the top cover 801 is in threaded connection with the threaded groove 203, the lower end of the screw rod 803 is in threaded connection with the bottom of the inner side of the adapter 201, and the double-cone spring 804 is extruded on a circular ring, so that each arc-shaped plate 702 is stably and limitedly arranged in the hexagonal inner cavity 204, at the moment, the top of the top cover 801 limits and blocks the top of the top block 701, the locking head 10 is firmly locked by the lock body 703, the locking head 10 is prevented from falling off from the locking hole 202, and the assembling tightness and firmness of the upper rod piece 3 and the adapter assembly 2 are guaranteed; so that the protective structure formed by the switching component 2 and the upper rod piece 3 has certain shock resistance;

when the upper rod piece 3 on the adapter assembly 2 needs to be removed or the upper rod piece 3 needs to be added in other directions, the top cover 801 in the thread groove 203 is unscrewed, and the corresponding top block 701 is lifted, so that the original upper rod piece 3 on the lock hole 202 can be removed, or a new upper rod piece 3 is installed on the lock hole 202 in other directions; the prerequisite of just above-mentioned operation is through the locking lever that corresponds insert in angle locked groove 802, it is rotatory to drive top cap 801 and spiro union pole 803 simultaneously, can realize above-mentioned operation, when utilizing angle locked groove 802 protection to open and close subassembly 8 can not be opened by the pedestrian at will, when simplifying this switching subassembly 2 and installing member 3 process, strengthen the inseparable bonding strength of both lockings, make this basic module possess certain self-destruction and anti-disassembly's function simultaneously, can protect construction team life safety and property safety.

In a second embodiment, as shown in fig. 6 to 7, the standing assembly 6 has a bottom housing 601 threadedly mounted at the lower end of the support rod 1, the upper surface of the bottom housing 601 is a circular array and is perforated with at least four threaded nail holes, and the bottom housing 601 can be integrally fixed on the cement bottom surface by screws; the upper end of the bottom shell 601 is fixedly connected with an inserting sleeve 602 and a threaded connector 603, the threaded connector 603 is fixedly connected to the middle of the upper end of the bottom shell 601, the threaded connector 603 is arranged in the middle of the inner side of the inserting sleeve 602, the bottom shell 601 is in threaded installation with the supporting rod 1 through the threaded connector 603, the inserting sleeve 602 is used for isolating the threaded connection, impurities or rainwater are prevented from being directly accumulated at the connection position of the bottom shell 601 and the supporting rod 1 to block or corrode the threaded connector 603, and smooth assembly and long service life of the standing component 6 and the supporting rod 1 are guaranteed;

the outer surface of the plug bush 602 is fixedly connected with at least four first edges 604, the bottom of the plug bush 602 penetrates through the lower end of the bottom shell 601, the lower end of the bottom shell 601 is fixedly connected with second edges 605 in a circular array, the outer sides of the second edges 605 are fixedly connected to the plug bush 602, and the lower end of the bottom shell 601 is provided with a groove 606 for increasing the contact area with the ground and reducing the material consumption of the bottom shell 601.

When the device is used, the bottom shell 601 is integrally pressed into the non-cement ground through the groove 606 formed in the bottom of the bottom shell 601 when the construction site is under the non-cement road condition, the effective contact area of the lower end of the bottom shell 601 and the non-cement ground is increased, and the four wood pins are correspondingly inserted into the threaded through holes to assist the stability of the bottom shell 601 on the non-cement ground, so that the bottom shell 601 and the support rod 1 with the threads mounted at the upper end of the bottom shell can stand on the ground vertically, the structure of the bottom shell 601 is simplified, the weight is lightened, the mounting of the standing component 6 on the cement ground and the non-cement ground is realized, the standing component 6 can be free of the soil condition of the terrain, and vertical support is still provided for the bottom of the support rod 1 stably;

and when the bottom shell 601 is installed on the cement ground, the plug bush 602, the first edge 604 and the second edge 605 can be utilized to support the upper end surface and the lower end surface of the bottom shell 601 in a protruding manner, so that the overall structural strength of the bottom shell 601 can be enhanced, the phenomenon that passers-by roll the bottom shell 601 carelessly is avoided, the overall instantaneous damage to the bottom shell 601 is avoided, the impact resistance of the standing component 6 is improved, the external force impact resistance of the standing component 6 is improved, the service life of the standing component 6 is prolonged, and the standing component 6 can be matched with the support rod 1 to be recycled.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in this and related arts based on the embodiments of the present invention without creative efforts, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims (10)

1. The protection device convenient to install for highway engineering construction is characterized by comprising a foundation module, wherein the foundation module is provided with a support rod (1), a switching component (2) is installed on the top of the support rod (1) in a threaded mode, a waist component (4) is sleeved in the middle of the support rod (1), and a standing component (6) installed at the bottom of the support rod (1) in a threaded mode and used for installing bolts on the ground; the outer surface of the switching assembly (2) is provided with an upper rod piece (3) in a combined mode, and the upper rod piece can be arranged on six positions of the switching assembly (2) in an equilateral hexagonal array mode; the outer surface of the waist component (4) is provided with lower rods (5) in a combined mode, and the lower rods can be arranged on six positions of the waist component (4) in an equilateral hexagonal array mode; the lower rod piece (5) and the upper rod piece (3) have the same structure, the middle part of the upper end of the support rod (1) is connected with a short bolt head, and the middle part of the lower end is provided with a threaded hole;

the adapter assembly (2) comprises an adapter (201) which is installed on a short bolt head at the upper end of the support rod (1) in a threaded mode, a hexagonal inner cavity (204) is formed in the middle of the upper end of the adapter (201), and a lock dropping assembly (7) is inserted into the hexagonal inner cavity (204) and used for locking the upper rod piece (3) inside the adapter (201); an opening and closing assembly (8) is arranged at the upper end of the adapter (201) and is matched with the top of the drop lock assembly (7) and used for limiting and installing the drop lock assembly (7) in a hexagonal inner cavity (204) integrally; wherein, open and close subassembly (8) threaded mounting in the upper end of adapter (201).

2. The protective device for road engineering construction convenient to install according to claim 1, wherein: the upper rod piece (3) is provided with two butt-joint rods (9) which are connected together in a telescopic mode, and lock heads (10) are fixedly connected to the back side ends of the two butt-joint rods (9).

3. The protection device for road engineering construction convenient to install of claim 1, characterized in that: the outer surface of adapter (201) is circular array and has seted up six at least lockholes (202), just the upper end of adapter (201) just is close to the outside side and opens and be equipped with thread groove (203), and lockhole (202) run through adapter (201) and are linked together with hexagonal inner chamber (204).

4. The protective device for road engineering construction convenient to install according to claim 1, wherein: waist subassembly (4) detain box (403) including first knot box (401) and the second of suit on bracing piece (1), and the second is detained box (403) and is installed under first knot box (401), the box (403) are detained to first inboard bottom fixedly connected with six inserted bar (402) at least, and the box (403) are detained to the second inboard bottom fixedly connected with and the corresponding cover rod section of thick bamboo of inserted bar (402), and box (403) aggregate erection is detained through inserted bar (402) and a cover rod section of thick bamboo cooperation and second to first knot box (401).

5. A protective device for road engineering construction convenient to install according to claim 4, wherein: at least six clamping grooves (404) are formed in the inner side bottom plates of the first buckle box (401) and the second buckle box (403) in a circular array; wherein, the middle parts of the first buckle box (401) and the second buckle box (403) are fixedly connected with sliding sleeves (405).

6. The protective device for road engineering construction convenient to install according to claim 1, wherein: the standing assembly (6) is provided with a bottom shell (601) which is installed at the lower end of the support rod (1) in a threaded mode, the upper end of the bottom shell (601) is fixedly connected with an inserting sleeve (602) and a threaded connector (603), the threaded connector (603) is fixedly connected to the middle of the upper end of the bottom shell (601), the threaded connector (603) is located in the middle of the inner side of the inserting sleeve (602), and the bottom shell (601) is installed with the support rod (1) in a threaded mode through the threaded connector (603).

7. The protection device for road engineering construction convenient to install of claim 6, characterized in that: the outer surface of plug bush (602) is connected with four at least first edges (604) admittedly, and the bottom of plug bush (602) runs through the lower extreme setting of end casing (601), and the lower extreme of end casing (601) is circular array fixedly connected with second edge (605), and the outside limit fixed connection of second edge (605) is on plug bush (602), the lower extreme of end casing (601) is seted up fluted (606).

8. The protection device for road engineering construction convenient to install of claim 1, characterized in that: the lock assembly (7) that falls includes kicking block (701) of cartridge in hexagonal inner chamber (204), and the quantity of kicking block (701) has six at least, one wherein one side fixedly connected with arc (702) of adapter (201) are kept away from in kicking block (701), and the lower extreme of kicking block (701) passes through pin rod fixedly connected with lock body (703), catching groove (704) have been seted up to the lower extreme of lock body (703), can constitute a hollow ring with tapered end (10) hasp in adapter (201), six arc (702) are circular array jointly.

9. The protective device for road engineering construction convenient to install according to claim 1, wherein: open and close subassembly (8) including top cap (801) of threaded connection in thread groove (203), and the upper end of top cap (801) sets up cornered locked groove (802), the lower extreme middle part fixedly connected with spiro union pole (803) and two conical spring (804) of top cap (801), when two conical spring (804) suit were on spiro union pole (803), its upper end fixed connection was on top cap (801), and the bottom at adapter (201) inboard is installed to spiro union pole (803) lower extreme screw thread.

10. The protection device for road engineering construction convenient to install of claim 9, wherein: the double-cone spring (804) is matched with the circular ring through the top cover (801) and the adapter (201).

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