Highway construction protection fence

Abstract

The present invention relates to the technical field of highway construction, and specifically to a highway construction protective fence, comprising a base, a locking anchor rod, an auxiliary obstacle crossing mechanism and a scissor-type folding frame, and also comprising two columns fixedly installed on the top of the base, a telescopic adjustment mechanism movably installed inside the base, a locking anchor rod movably installed on the inner side of the telescopic adjustment mechanism, and an auxiliary obstacle crossing mechanism installed on the top of the base through an axle bolt; the present invention adopts an efficient auxiliary obstacle crossing mechanism design, and the auxiliary obstacle crossing mechanism can be flipped and adjusted according to traffic needs through mechanical devices such as gears, gear rods, and pedals, so that a springboard can be built for traffic, and a ladder can be built for climbing, so that people can cross obstacle ditches conveniently, and the auxiliary traffic efficiency and safety are improved, and the construction protection needs of highways with different terrains are met. The fixing range of the locking anchor rod is adjusted by the telescopic adjustment mechanism, and the locking anchor rod is anchored to the roadbed soil layer, so as to increase the anti-dumping and wind-resistant effects of the device.

Description

Technical Field

[0001] The invention relates to the technical field of highway construction, in particular to a highway construction protective fence. Background Art

[0002] With the vigorous development of the transportation industry, the number of high-grade highways, mainly expressways and first-class highways, has increased year by year. my country's highway industry has begun to enter a new stage with the construction of high-grade highways as the focus. With the accelerated development of highway construction, ensuring construction safety and smooth construction has become a vital engineering goal. During highway construction, there are many people on the construction site and a large amount of traffic flow, which poses safety hazards. Effective measures need to be taken to ensure construction safety. By setting up highway construction protective fences to prevent accidental collisions between vehicles and personnel, it is an important measure to ensure construction safety and smooth progress;

[0003] The patent application with publication number CN117403961A discloses a highway construction protection fence, which can be folded and unfolded between a first support seat and a second support seat through the mutual cooperation of a folding guard plate and a connecting seat, thereby facilitating the reduction of the storage and transportation volume of the highway construction protection fence and improving the convenience of storage and transportation. The setting of the telescopic positioning mechanism, in conjunction with the clamping and separation between the clamping fixing mechanism and the clamping groove, is conducive to the stable positioning and fixing of the highway construction protection fence during the folding and storage process, ensuring the stability of the folding and storage, and is also conducive to the splicing and assembly of the unfolded highway construction protection fence, thereby improving the convenience of assembly and disassembly of the highway construction protection fence and the functionality of the telescopic positioning mechanism, and at the same time improving the convenience and use effect of the highway construction protection fence. However, the existing technology also has the following defects: it is unable to assist workers in passing through ditches in special terrain, resulting in the workers needing to carry auxiliary passing tools to pass through the ditches, which increases the carrying burden of the workers, and it is also unable to provide rescue assistance to workers working in the ditches, resulting in low safety effects; the vertical columns and horizontal connecting rod structures of traditional fences have lateral force problems, which can easily be crushed by strong winds, causing the fence to collapse, threatening construction safety. Summary of the invention

[0004] The purpose of the present invention is to solve the problems existing in the prior art, such as: it is impossible to assist workers to pass through ditches in special terrain, resulting in the workers needing to carry auxiliary passing tools to pass through the ditches, which increases the carrying burden of the workers, and it is also impossible to provide rescue assistance to workers working in the ditches, resulting in low safety effects; the vertical columns and horizontal connecting rod structures of traditional fences have lateral force problems, which are easily crushed by strong winds, causing the fence to collapse, threatening construction safety.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A highway construction protection fence comprises a base, a locking anchor rod, an auxiliary obstacle crossing mechanism and a scissor-type folding frame, and also comprises two upright posts fixedly mounted on the top of the base, a top plate fixedly mounted on the top of the upright posts, a mounting frame fixedly mounted on the top of the top plate, an anti-climbing cage frame locked and mounted on the top of the mounting frame, a telescopic adjustment mechanism movably mounted inside the base, and a locking anchor rod movably mounted inside the telescopic adjustment mechanism;

[0007] An auxiliary obstacle crossing mechanism is installed on the top of the base through an axle bolt, and the auxiliary obstacle crossing mechanism consists of two axles, two first gear rods, multiple mounting side plates, multiple pedals, multiple gears and multiple second gear rods. The second gear rods are fixedly installed on the bottom of the mounting side plates, wherein the outer sides of the bottoms of multiple groups of second gear rods are movably socketed with the inner sides of the tops of the mounting side plates in sequence and rotatably installed inside the mounting side plates. The pedals are fixedly installed between the two mounting side plates, wherein two first gear rods extending from the inside are movably installed inside the two mounting side plates, and two axles are respectively installed on the tops of the two first gear rods through axle bolts.

[0008] Preferably, the telescopic adjustment mechanism includes an adjustment disk rotatably mounted inside the base, and a slide sleeve fixedly mounted inside the base, the slide sleeve is located below the adjustment disk, and adjustment slots are equidistantly provided inside the adjustment disk, an extension sleeve is movably mounted inside the slide sleeve, a movable sleeve is mounted inside the extension sleeve through a slide slot, a limiting slider is fixedly mounted on the inner wall of the movable sleeve, a movable block is fixedly mounted on the top of the extension sleeve, and the movable block extends to the inside of the adjustment slot.

[0009] Preferably, the locking anchor rod includes a plug-in rod movably installed inside the movable sleeve, with limiting grooves on both sides of the plug-in rod, and the limiting grooves are movably connected to the limiting slider inside, an extended extension rod is movably installed inside the plug-in rod, a threaded part is installed on the internal thread of the extension rod, and a transmission rod is fixedly installed on the top of the threaded part.

[0010] Preferably, adjustment holes are equidistantly provided on the front of the column, an adjustment sleeve is sleeved on the outer side of the column, a rotating shaft is rotatably installed on the bottom of one side of the adjustment sleeve, an adjustment locking bolt is threadedly installed on the front of the adjustment sleeve, and the adjustment locking bolt extends to the inside of the adjustment hole and is locked, and both ends of the scissors-type folding frame are movably connected to the rotating shaft through shaft bolts.

[0011] Preferably, the mounting frame includes a V-shaped frame fixedly mounted on the top of the top plate, a threaded rod is rotatably mounted inside the V-shaped frame, a threaded sleeve seat is threadedly sleeved on the outer side of the threaded rod, a resistance spring is fixedly mounted on one side inside the threaded sleeve seat, a locking ring is fixedly connected to one end of the resistance spring, and a handle is fixedly mounted on the front side of the locking ring.

[0012] Preferably, the base is composed of a mounting plate and a top plate, the top plate is fixedly mounted on the top of the mounting plate by bolts, and two mounting sleeves are fixedly mounted on both sides of the top of the top plate.

[0013] Preferably, a locking assembly is movably installed at the top of the interior of the column, and the locking assembly consists of a pull rod, a return spring and a pin plate. The pull rod passes through one side of the column, one end of the outer side of the pull rod is sleeved with the return spring, and the other end of the outer side of the pull rod is fixedly sleeved with the pin plate.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] The highway construction protection fence of the present invention overcomes the defects of traditional protection fences such as difficulty in passing in special terrain, easy collapse under lateral force, and difficulty in adapting to different road section widths and terrain undulations due to fixed size. The locking anchor rod is inserted into the roadbed soil layer through a telescopic adjustment mechanism to achieve multi-angle locking and expand the fixing range, effectively improving the anti-dumping and wind resistance effects of the device; and through the efficient auxiliary obstacle crossing mechanism design, the auxiliary obstacle crossing mechanism can be flipped and adjusted according to the traffic needs through mechanical devices such as gears, gear rods, and pedals. It can build a springboard for passing or a ladder for climbing, which is convenient for people to cross the obstacle ditch without finding other auxiliary tools. At the same time, it also improves the auxiliary traffic efficiency and safety, meeting the construction protection needs of highways with different terrains; at the same time, the anti-climbing cage frame is disassembled by the mounting frame, the anti-climbing function of the protection fence is increased, the protection effect of the protection fence is further improved, and the construction safety is effectively guaranteed; and through the adjustment of the scissor-type folding frame and the setting of the rotating shaft, it can be conveniently adapted to sections of different widths and slopes or curved sections according to road conditions, meeting the needs of layout in different terrains. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 It is a schematic diagram of the structure of the auxiliary obstacle-crossing mechanism of the present invention in the first state;

[0018] Figure 3 It is a schematic diagram of the structure of the auxiliary obstacle-crossing mechanism of the present invention in the second state;

[0019] Figure 4 It is a schematic structural diagram of the third state of the auxiliary obstacle-crossing mechanism of the present invention;

[0020] Figure 5 It is a schematic diagram of the column structure of the present invention;

[0021] Figure 6 It is a schematic diagram of the base structure of the present invention;

[0022] Figure 7It is a schematic diagram of the expanded structure of the base of the present invention;

[0023] Figure 8 It is a schematic diagram of the internal structure of the telescopic adjustment mechanism of the present invention;

[0024] Fig. 9 It is a schematic diagram of the internal structure of the slide sleeve of the present invention;

[0025] Fig.10 It is a schematic diagram of the internal structure of the locking anchor rod of the present invention;

[0026] Fig.11 It is a schematic diagram of the internal structure of the auxiliary obstacle crossing mechanism of the present invention;

[0027] Fig.12 It is a schematic diagram of the structure of the mounting frame of the present invention;

[0028] Fig.13 It is a schematic diagram of the internal structure of the wire sleeve seat of the present invention.

[0029] In the figure: 1, base; 101, mounting plate; 102, top plate; 103, mounting sleeve; 2, locking anchor rod; 201, plug-in rod; 202, limit slide groove; 203, extension rod; 204, transmission rod; 205, threaded member; 3, column; 301, adjustment hole; 302, adjustment sleeve; 3021, rotating shaft; 3022, adjustment lock bolt; 303, top plate; 304, locking assembly; 3041, pull rod; 3042, reset spring; 3043, pin plate; 4, auxiliary obstacle crossing mechanism; 401, shaft rod ; 402, first gear rod; 403, mounting side plate; 404, pedal; 405, gear; 406, second gear rod; 5, mounting frame; 501, V-shaped frame; 502, threaded rod; 503, thread sleeve seat; 504, resistance spring; 505, locking ring; 506, handle; 6, scissor-type folding frame; 7, anti-overturning cage frame; 8, telescopic adjustment mechanism; 801, adjustment disk; 802, adjustment slot; 803, slide slot sleeve; 804, extension sleeve; 805, moving sleeve; 806, moving block; 807, limit slider. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] See also Figure 1-Figure 13The highway construction protection fence proposed by the present invention includes a base 1, a locking anchor rod 2, an auxiliary obstacle crossing mechanism 4 and a scissor-type folding frame 6, and also includes two columns 3 fixedly installed on the top of the base 1, a top plate 303 is fixedly installed on the top of the column 3, a mounting frame 5 is fixedly installed on the top of the top plate 303, an anti-climbing cage frame 7 is locked and installed on the top of the mounting frame 5, a telescopic adjustment mechanism 8 is movably installed inside the base 1, and a locking anchor rod 2 is movably installed on the inner side of the telescopic adjustment mechanism 8;

[0032] An auxiliary obstacle-crossing mechanism 4 is installed on the top of the base 1 through an axle bolt. The auxiliary obstacle-crossing mechanism 4 consists of two axles 401, two first gear rods 402, multiple mounting side plates 403, multiple pedals 404, multiple gears 405 and multiple second gear rods 406. The second gear rods 406 are fixedly installed on the bottom of the mounting side plates 403, wherein the outer sides of the bottoms of the multiple groups of second gear rods 406 are movably sleeved with the inner sides of the tops of the mounting side plates 403 in sequence and are rotatably installed inside the mounting side plates 403. The pedals 404 are fixedly installed between the two mounting side plates 403, wherein the two first gear rods 402 extending from the inside are movably installed inside the two mounting side plates 403, respectively, and the tops of the two first gear rods 402 are respectively installed with two axles 401 through axle bolts;

[0033] Among them, the locking anchor rod 2 is extended out of the interior of the base 1 through the telescopic adjustment mechanism 8, and the extended locking anchor rod 2 is inserted into the roadbed soil layer to achieve multi-angle locking of the device, increase the anti-dumping function of the device, and improve the wind resistance of the device. At the same time, the extension distance of the locking anchor rod 2 is adjusted by the telescopic adjustment mechanism 8, the fixing range of the device is increased, and the anti-collapse effect of the device is further improved;

[0034] The anti-climbing cage frame 7 can be quickly disassembled and assembled by the mounting frame 5, so that the anti-climbing cage frame 7 can be assembled conveniently according to the protection needs, and the anti-climbing cage frame 7 can be used to increase the anti-climbing function of the device, thereby improving the protection effect of the protective fence;

[0035] Multiple gears 405 are respectively meshed and connected with the second gear rod 406 and the first gear rod 402. The mode of the auxiliary obstacle crossing mechanism 4 can be converted by flipping the auxiliary obstacle crossing mechanism 4. During the highway construction process, when workers need to cross an obstacle ditch, the mode of the auxiliary obstacle crossing mechanism 4 can be flipped and adjusted to assist the workers to cross the obstacle ditch, so that the workers do not need to find another auxiliary mechanism for assisted passage. At the same time, the gear 405 is driven to move by stretching the mounting side plate 403, and the meshed gear 405 is driven to rotate by the second gear rod 406 and the first gear rod 402 that move relative to the mounting side plate 403. The rotating gear 405 drives the pedal 404 to flip, thereby adjusting the horizontal state of the pedal 404, so that when the auxiliary obstacle crossing mechanism 4 is flipped to different angles, the horizontal angle of the pedal 404 is adjusted according to the passage needs, so that the auxiliary obstacle crossing mechanism 4 can be used for both bridge passage and ladder passage.

[0036] The telescopic adjustment mechanism 8 includes an adjustment disk 801 rotatably mounted inside the base 1, and a slide sleeve 803 fixedly mounted inside the base 1, the slide sleeve 803 is located below the adjustment disk 801, and the adjustment slots 802 are equidistantly provided inside the adjustment disk 801, an extension sleeve 804 is movably mounted inside the slide sleeve 803, a moving sleeve 805 is mounted inside the extension sleeve 804 through a slide slot, a limited slider 807 is fixedly mounted on the inner wall of the moving sleeve 805, a moving block 806 is fixedly mounted on the top of the extension sleeve 804, and the moving block 806 extends to the inside of the adjustment slot 802;

[0037] Among them, a knob is fixedly installed on the top of the adjusting disk 801, and the knob extends to the top of the top plate 102. By holding the knob to rotate the adjusting disk 801, the adjusting disk 801 cooperates with the moving block 806 through the adjusting slot 802 to drive the extension sleeve 804 to extend out of the sliding slot sleeve 803. The moving extension sleeve 804 drives the locking anchor rod 2 to extend out of the base 1 through the moving sleeve 805, so as to unfold the locking anchor rod 2. The locking anchor rod 2 is driven to move to one end of the sliding slot sleeve 803 by the moving sleeve 805, and then the locking anchor rod 2 is flipped by the moving sleeve 805, so that the bottom end of the locking anchor rod 2 is downward, and the locking range of the locking anchor rod 2 is controlled by adjusting the extension length of the extension sleeve 804, so as to facilitate adjustment according to the terrain.

[0038] The locking anchor rod 2 includes a plug-in rod 201 movably mounted inside the movable sleeve 805, and limited sliding grooves 202 are provided on both sides of the plug-in rod 201, and the limited sliding grooves 202 are movably connected to the limited sliding block 807, and an extended extension rod 203 is movably mounted inside the plug-in rod 201, and a threaded member 205 is installed on the internal thread of the extension rod 203, and a transmission rod 204 is fixedly installed on the top of the threaded member 205;

[0039] Among them, an internal thread groove that engages with the threaded member 205 is opened inside the extension rod 203, a knob is fixedly installed on the top of the transmission rod 204, the plug-in rod 201 moves inside the movable sleeve 805 through the limiting slide groove 202 and the limiting slider 807, the moving plug-in rod 201 extends to the roadbed soil layer, the hand-held knob drives the threaded member 205 to rotate through the transmission rod 204, the rotating threaded member 205 cooperates with the internal thread groove of the threaded member 205 to drive the threaded member 205 to telescopically move, the downward moving threaded member 205 extends to the ground, extending the extension length of the plug-in rod 201, and improving the firmness of the locking device.

[0040] The front of the column 3 is equidistantly provided with adjustment holes 301, the outer side of the column 3 is sleeved with an adjustment sleeve 302, a rotating shaft 3021 is rotatably mounted on the bottom of one side of the adjustment sleeve 302, an adjustment lock bolt 3022 is threadedly mounted on the front of the adjustment sleeve 302, and the adjustment lock bolt 3022 extends to the inside of the adjustment hole 301 and is locked, and both ends of the scissor-type folding frame 6 are movably connected to the rotating shaft 3021 through axle bolts;

[0041] Among them, by screwing the adjustment lock bolt 3022 to move it out of the adjustment hole 301, the adjustment sleeve 302 is unlocked, and the folding length of the scissors-type folding frame 6 is adjusted by moving the adjustment sleeve 302, which is convenient for adjustment according to the width of the road section, and the scissors-type folding frame 6 is convenient for turning the angle by rotating the shaft 3021, which is convenient for adjustment according to the slope or curved section, so that the device is suitable for deployment in different terrains and meets the highway construction needs of different terrains.

[0042] The mounting frame 5 includes a V-shaped frame 501 fixedly mounted on the top of the top plate 303, a threaded rod 502 is rotatably mounted inside the V-shaped frame 501, a threaded sleeve seat 503 is threadedly sleeved on the outer side of the threaded rod 502, a resisting spring 504 is fixedly mounted on one side of the threaded sleeve seat 503, a locking ring 505 is fixedly connected to one end of the resisting spring 504, and a handle 506 is fixedly mounted on the front side of the locking ring 505;

[0043] The locking ring 505 is driven by the hand-held handle 506 to move and compress the resistance spring 504. The moving locking ring 505 forms an opening in the wire sleeve seat 503, and the circular ring of the anti-climbing cage frame 7 is placed inside the wire sleeve seat 503 through the opening. Then, the hand-held handle 506 is released, and the compression reset force of the resistance spring 504 is used to drive the locking ring 505 to reset, and the opening of the wire sleeve seat 503 is closed, so as to lock the circular ring of the anti-climbing cage frame 7.

[0044] The base 1 is composed of a mounting plate 101 and a top plate 102. The top plate 102 is fixedly mounted on the top of the mounting plate 101 by bolts. Two mounting sleeves 103 are fixedly mounted on both sides of the top of the top plate 102.

[0045] Among them, by assembling the mounting plate 101 and the top plate 102, the firmness of the installation of the top plate 102 is guaranteed, and it is also convenient to disassemble the top plate 102 to inspect the internal structure of the mounting plate 101. The two mounting sleeves 103 provide installation positions for the two columns 3 respectively, ensuring the firmness of the installation of the columns 3.

[0046] A locking assembly 304 is movably installed at the top of the column 3. The locking assembly 304 consists of a pull rod 3041, a return spring 3042 and a pin plate 3043. The pull rod 3041 extends through one side of the column 3. The return spring 3042 is sleeved on one end of the outer side of the pull rod 3041, and the pin plate 3043 is fixedly sleeved on the other end of the outer side of the pull rod 3041.

[0047] Among them, a pull ring is fixedly installed at one end of the pull rod 3041, and the pull ring is held to drive the pull rod 3041 to move to compress the reset spring 3042. The moving pull rod 3041 drives the pin plate 3043 away from the auxiliary obstacle crossing mechanism 4, so as to unlock the auxiliary obstacle crossing mechanism 4, making it convenient to flip the auxiliary obstacle crossing mechanism 4 for use. When the auxiliary obstacle crossing mechanism 4 is stored, the auxiliary obstacle crossing mechanism 4 is flipped between the two columns 3, and the pull ring is released. The compression reset force of the reset spring 3042 is used to drive the pull rod 3041 to reset and move. The reset-moving pull rod 3041 drives the pin plate 3043 to lock the auxiliary obstacle crossing mechanism 4.

[0048] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A highway construction protection fence, comprising a base (1), a locking anchor rod (2), an auxiliary obstacle crossing mechanism (4) and a scissor-type folding frame (6), characterized in that: It also includes two columns (3) fixedly mounted on the top of the base (1), a top plate (303) fixedly mounted on the top of the columns (3), a mounting frame (5) fixedly mounted on the top of the top plate (303), an anti-climbing cage (7) locked and mounted on the top of the mounting frame (5), a telescopic adjustment mechanism (8) movably mounted inside the base (1), and a locking anchor rod (2) movably mounted on the inner side of the telescopic adjustment mechanism (8); An auxiliary obstacle-crossing mechanism (4) is installed on the top of the base (1) via an axle bolt. The auxiliary obstacle-crossing mechanism (4) is composed of two axles (401), two first gear rods (402), a plurality of mounting side plates (403), a plurality of pedals (404), a plurality of gears (405), and a plurality of second gear rods (406). The second gear rods (406) are fixedly installed on the bottom of the mounting side plates (403), wherein the outer sides of the bottoms of the plurality of groups of second gear rods (406) are movably sleeved with the inner sides of the tops of the mounting side plates (403) in sequence and are rotatably installed inside the mounting side plates (403). The pedals (404) are fixedly installed between the two mounting side plates (403), wherein two first gear rods (402) extending from the inside are movably installed inside the two mounting side plates (403), and two axles (401) are installed on the tops of the two first gear rods (402) via axle bolts respectively. The mode of the auxiliary obstacle crossing mechanism (4) can be switched by flipping the auxiliary obstacle crossing mechanism (4). During highway construction, when workers need to cross an obstacle ditch, the mode of the auxiliary obstacle crossing mechanism (4) can be flipped to assist the workers in crossing the obstacle ditch, so that the workers do not need to find another auxiliary mechanism for assisted passage. The gear (405) is driven to move by stretching the mounting side plate (403), and the second gear rod (406) and the first gear rod (402) that move relative to the mounting side plate (403) are used to drive the meshing gear (405) to rotate. The rotating gear (405) drives the pedal (404) to flip, thereby adjusting the horizontal state of the pedal (404). When the auxiliary obstacle crossing mechanism (4) is flipped to different angles, the horizontal angle of the pedal (404) is adjusted according to the passage requirements, so that the auxiliary obstacle crossing mechanism (4) can be used for both bridge passage and ladder passage.

2. The highway construction protection fence according to claim 1 is characterized by: The telescopic adjustment mechanism (8) comprises an adjustment disk (801) rotatably mounted inside the base (1), and a slide sleeve (803) fixedly mounted inside the base (1); the slide sleeve (803) is located below the adjustment disk (801); the adjustment slots (802) are equidistantly arranged inside the adjustment disk (801); an extension sleeve (804) is movably mounted inside the slide sleeve (803); a moving sleeve (805) is mounted inside the extension sleeve (804) via a slide slot; a limiting slider (807) is fixedly mounted on the inner wall of the moving sleeve (805); a moving block (806) is fixedly mounted on the top of the extension sleeve (804); and the moving block (806) extends into the inside of the adjustment slot (802).

3. The highway construction protection fence according to claim 2 is characterized by: The locking anchor rod (2) comprises a plug-in rod (201) movably mounted inside the movable sleeve (805), with limit slide grooves (202) being provided on both sides of the plug-in rod (201), and the inside of the limit slide groove (202) being movably connected to the limit slider (807), an extended extension rod (203) being movably mounted inside the plug-in rod (201), a threaded member (205) being mounted on the internal thread of the extension rod (203), and a transmission rod (204) being fixedly mounted on the top of the threaded member (205).

4. The highway construction protection fence according to claim 1 is characterized by: The front side of the column (3) is provided with adjustment holes (301) at equal intervals, the outer side of the column (3) is sleeved with an adjustment sleeve (302), a rotating shaft (3021) is rotatably mounted on the bottom of one side of the adjustment sleeve (302), an adjustment locking bolt (3022) is threadedly mounted on the front side of the adjustment sleeve (302), and the adjustment locking bolt (3022) extends to the inside of the adjustment hole (301) to be locked, and both ends of the scissor-type folding frame (6) are movably connected to the rotating shaft (3021) via a shaft bolt.

5. The highway construction protection fence according to claim 1 is characterized by: The mounting frame (5) comprises a V-shaped frame (501) fixedly mounted on the top of the top plate (303); a threaded rod (502) is rotatably mounted inside the V-shaped frame (501); a threaded sleeve seat (503) is threadedly sleeved on the outer side of the threaded rod (502); a resisting spring (504) is fixedly mounted on one side inside the threaded sleeve seat (503); a locking ring (505) is fixedly connected to one end of the resisting spring (504); and a handle (506) is fixedly mounted on the front side of the locking ring (505).

6. The highway construction protection fence according to claim 1, characterized in that: The base (1) is composed of a mounting plate (101) and a top plate (102); the top plate (102) is fixedly mounted on the top of the mounting plate (101) by means of bolts; two mounting sleeves (103) are fixedly mounted on both sides of the top of the top plate (102).

7. The highway construction protection fence according to claim 1, characterized in that: A locking assembly (304) is movably installed at the top of the interior of the column (3), and the locking assembly (304) is composed of a pull rod (3041), a return spring (3042) and a pin plate (3043). The pull rod (3041) passes through one side of the column (3), one end of the outer side of the pull rod (3041) is sleeved with the return spring (3042), and the other end of the outer side of the pull rod (3041) is fixedly sleeved with the pin plate (3043).

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