Road and bridge engineering protection device

Abstract

A protective device for road and bridge engineering comprises a protective fence, a shaft rod, a fastening retaining ring, a positioning retaining ring, a positioning locking bar and a shifting rod, a protective net is connected into the protective fence, a connecting block is arranged on the left side of the protective fence, a connecting plate is arranged on the right side of the protective fence, the connecting block is connected to the inner side of the connecting plate, and the connecting plate is divided into an upper connecting plate and a lower connecting plate. The shaft rod is sequentially connected with the lower connecting plate and the connecting block, the shaft rod is provided with a position control groove, the connecting block is provided with a position control protruding block, the position control protruding block is matched with the position control groove, the position control protruding block is connected with the position control groove, the lower end of the shaft rod is provided with a circular baffle, the circular baffle is attached to the lower connecting plate, the upper end of the shaft rod is provided with a fastening protruding rod, and the upper portion of the upper connecting plate is provided with a fastening supporting sleeve. The fastening protruding rod is sequentially connected with the upper connecting plate and the fastening supporting sleeve.

Description

Technical Field

[0001] The utility model relates to the field of road and bridge engineering, in particular to a road and bridge engineering protection device. Background Art

[0002] The existing patent (publication number: CN214170188U) proposes a road and bridge engineering safety enclosure device, including a device frame and a protective panel, a splicing groove is opened on the outer wall of one end of the device frame, and a splicing block is fixed on the outer wall of the device frame away from the splicing groove, and the splicing groove and the splicing block are plugged into each other, solar panels are installed at both ends of the top of the device frame, and a battery is installed on one side of the bottom of the solar panel, a management frame is installed on the top of the device frame, and an induced draft fan is installed on the inner side wall of the management frame, and the input end of the induced draft fan is electrically connected to the output end of the battery, and the bottom end of the supporting diagonal rod is hinged with a stabilizing seat. However, this device "when the enclosure needs to be assembled, the splicing groove at one end of the device frame is inserted into the interior of the splicing block. During this process, the snap-fit ​​groove on the surface of the splicing block will engage with the snap-fit ​​column on the inner wall of the splicing groove to prevent the safety enclosure from loosening after assembly." It is connected by snap-fit, and although the connection is firm, the supporting angle is fixed, and the splicing angle between adjacent fences cannot be adjusted accordingly according to the specific terrain, and cannot adapt to the protection needs of roads with different curvatures. The structural flexibility is poor and there are disadvantages. Summary of the invention

[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides a road and bridge engineering protection device which is easy to assemble and disassemble, can flexibly adjust the number of guardrails and the protection length according to the construction scope of the road and bridge engineering, and can flexibly adjust the splicing angles between the guardrails and provide positioning support according to the specific terrain of the road and bridge engineering and the actual curvature of the road. The utility model has a wide range of applications and strong practical performance.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A road and bridge engineering protection device comprises a guardrail, an axle, a fastening buckle, a positioning buckle, a positioning lock strip and a lever, wherein the guardrail is internally connected to a protective net, the guardrail has a connecting block on the left side, the guardrail has a connecting plate on the right side, the connecting plate is connected to the connecting block on the inner side, the connecting plate is divided into an upper connecting plate and a lower connecting plate, the axle is sequentially connected to the lower connecting plate and the connecting block, the axle has a position control groove, the connecting block has a position control convex block, the position control convex block is adapted to the position control groove, the position control convex block is connected to the position control groove, the lower end of the axle has a circular baffle, the circular baffle is attached to the lower connecting plate, the upper end of the axle has a fastening convex rod, the upper part of the upper connecting plate has a fastening support sleeve, the fastening convex rod is sequentially connected to the upper connecting plate and the fastening support sleeve.

[0006] The utility model discloses a fastening support sleeve externally connected to a fastening buckle, a fastening card plate is provided inside the fastening buckle, the fastening support sleeve has a card plate through hole, the fastening protrusion has a fastening card slot, the fastening card slot and the card plate through hole are adapted to the fastening card plate, the fastening card plate passes through the card plate through hole, the fastening card plate is connected to the fastening card slot, the fastening buckle is connected to a positioning buckle, the positioning buckle has fixing grooves on both sides, the fastening buckle has fixing protrusions on both sides, the fixing protrusions are adapted to the fixing grooves, and the fixing protrusions are connected to the fixing grooves.

[0007] The utility model describes a positioning buckle with a fixed support sleeve on the outside, the lower part of the fixed support sleeve fits the upper connecting plate, the inner side of the positioning buckle is connected to the fastening support sleeve, the fastening support sleeve has an inner through hole, the positioning buckle has an outer through hole, the fastening protruding rod has a plurality of positioning lock grooves, the positioning lock grooves, the inner through hole, and the outer through hole are adapted to the positioning lock strip, the positioning lock strip passes through the outer through hole and the inner through hole in sequence, and the inner end of the positioning lock strip is connected to the positioning lock groove. Beneficial Effects

[0008] The utility model provides a guardrail for enclosing the construction site of a road and bridge project to prevent non-operating vehicles from mistakenly entering and ensure construction safety. The shaft rod increases the connecting fulcrum between adjacent guardrails, so that the number and protection length of the guardrails can be flexibly adjusted according to the construction scope of the road and bridge project. In addition, the splicing angle between the guardrails can be flexibly adjusted according to the specific terrain of the road and bridge project, so as to adapt to the protection needs of roads with different curvatures and improve its scope of application and practical performance.

[0009] The utility model discloses a fastening buckle and a positioning buckle that are fastened and fixed to the outside of the fastening support sleeve. The fastening clamping plate on the inner side thereof increases the connection fulcrum between the fastening support sleeve and the fastening protruding rod and limits the position of the shaft rod so that the shaft rod can maintain its longitudinal height unchanged and can be adjusted for axial rotation to prevent it from detaching and moving, thereby improving the splicing stability between the guardrails.

[0010] The lever of the utility model increases the connecting fulcrum between the positioning lock strip and the positioning buckle and provides a control fulcrum for the movement of the positioning lock strip. When the lever is pushed outward to drive the positioning lock strip to move outward until it is completely disengaged from the positioning lock groove, the braking fulcrum of the fastening protrusion disappears. At this time, the splicing angle between the guardrails can be flexibly adjusted according to the specific terrain of the road and bridge project and the actual curvature of the road. When the external force on the lever disappears, the positioning lock strip is automatically reset to its embedded position in the positioning lock groove by the elastic tension of the spring strip itself. At this time, the fastening protrusion is braked and locked, and the shaft rod cannot rotate, so as to position and support the adjusted supporting angle between the guardrails, thereby improving the stability of the guardrail enclosure.

[0011] The utility model is easy to disassemble and assemble, and can flexibly adjust the number and protection length of guardrails according to the construction scope of the road and bridge project. At the same time, the splicing angles between guardrails can be flexibly adjusted and positioning support can be performed according to the specific terrain of the road and bridge project and the actual curvature of the road. It has a wide range of applications and strong practical performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The utility model is a schematic diagram of the structure of a road and bridge engineering protection device.

[0013] Figure 2 The utility model is a cross-sectional view of the structure of a road and bridge engineering protection device.

[0014] Figure 3 This is an exploded view of the shaft rod, fastening clamp plate, and positioning buckle ring structure described in the utility model.

[0015] Figure 4 It is a cross-sectional view of the fastening convex rod positioning structure described in the utility model.

[0016] Figure 5 It is a schematic diagram of the positioning buckle ring and positioning lock strip structure of the utility model.

[0017] Figure 6 This is a schematic diagram of the shaft rod structure described in the utility model.

[0018] Figure 7 It is a schematic diagram of the connection structure of the fastening buckle, the fastening support sleeve and the positioning buckle described in the utility model.

[0019] Figure 8 It is a schematic diagram of the positioning buckle and the fastening buckle structure of the utility model.

[0020] Fig. 9 The utility model is a schematic diagram of the guardrail structure.

[0021] Fig.10 For the utility model Figure 2 A magnified view of the local structure.

[0022] Fig.11 This is an exploded view of the internal structure of the positioning buckle described in the utility model. DETAILED DESCRIPTION

[0023] The utility model is further described in detail below according to the accompanying drawings and embodiments:

[0024] Embodiment 1:

[0025] A road and bridge engineering protection device, including a guardrail 01, an axle 05, a fastening buckle 11, a positioning buckle 17, a positioning lock strip 18, and a lever 26. The guardrail 01 is internally connected to a protective net 02, the guardrail 01 has a connecting block 03 on the left side, and the guardrail 01 has a connecting plate 04 on the right side. The connecting plate 04 is connected to the connecting block 03 on the inside, and the connecting plate 04 is divided into an upper connecting plate 041 and a lower connecting plate 042. The axle 05 is connected to the lower connecting plate 042 and the connecting block 03 in sequence. The axle 05 has a position control groove 08, and the connecting block 03 has a position control convex block 07. The position control convex block 07 is adapted to the position control groove 08, and the position control convex block 07 is connected to the position control groove 08. The lower end of the axle 05 has a circular baffle. 06, the circular baffle 06 fits the lower connecting plate 042, the upper end of the shaft rod 05 has a fastening protrusion 09, the upper part of the upper connecting plate 041 has a fastening support sleeve 10, the fastening protrusion 09 is sequentially connected to the upper connecting plate 041 and the fastening support sleeve 10, the guardrail 01 encloses the construction site of the road and bridge project to prevent non-operating vehicles from entering by mistake and ensure construction safety. The shaft rod 05 increases the connecting fulcrum between adjacent guardrails 01, so that it can flexibly adjust the number and protection length of its guardrails 01 according to the construction scope of the road and bridge project, and can flexibly adjust the splicing angle between the guardrails 01 according to the specific terrain of the road and bridge project, so as to adapt to the protection needs of roads with different curvatures and improve its scope of application and practical performance.

[0026] Embodiment 2:

[0027] The utility model discloses a fastening support sleeve 10 externally connected to a fastening buckle 11, an inner side of the fastening buckle 11 is provided with a fastening card plate 12, the fastening support sleeve 10 is provided with a card plate through hole 14, and a fastening protruding rod 09 is provided with a fastening card slot 13, the fastening card slot 13 and the card plate through hole 14 are adapted to the fastening card plate 12, the fastening card plate 12 passes through the card plate through hole 14, and the fastening card plate 12 is connected to the fastening card slot 13, the fastening buckle 11 is connected to a positioning buckle 17, and the positioning buckle 17 has fixing grooves 16 on both sides, and the fastening buckle 11 has fixing protrusions 15 on both sides, and the fixing protrusions 15 are adapted to the fixing grooves 16, and the fixing protrusions 15 are connected to the fixing grooves 16. This device is easy to disassemble and assemble, and can flexibly adjust the number and protection length of the guardrails 01 according to the construction scope of the road and bridge project, and can flexibly adjust the splicing angle between the guardrails 01 and provide positioning support according to the specific terrain of the road and bridge project and the actual curvature of the road, and has a wide range of application and strong practical performance.

[0028] Embodiment 3:

[0029] The utility model described in the positioning buckle 17 has a fixed support sleeve 25 on the outside, the lower part of the fixed support sleeve 25 is attached to the upper connecting plate 041, the inner side of the positioning buckle 17 is connected to the fastening support sleeve 10, the fastening support sleeve 10 has an inner through hole 20, the positioning buckle 17 has an outer through hole 19, and the fastening protruding rod 09 has a plurality of positioning locking grooves 21, the positioning locking grooves 21, the inner through hole 20, and the outer through hole 19 are adapted to the positioning locking strip 18, the positioning locking strip 18 passes through the outer through hole 19 and the inner through hole 20 in sequence, the inner end of the positioning locking strip 18 is connected to the positioning locking groove 21, the fastening buckle 11 is fastened and fixed to the outside of the fastening support sleeve 10 with the positioning buckle 17, the fastening card plate 12 on the inner side thereof increases the connection fulcrum between the fastening support sleeve 10 and the fastening protruding rod 09, and limits the position of the shaft rod 05, so that it keeps the longitudinal height unchanged, performs axial rotation adjustment, prevents it from detaching and moving, and improves the splicing stability between the guardrails 01.

[0030] Embodiment 4:

[0031] The positioning lock strip 18 of the utility model is connected to one end of the spring strip 22, and one end of the spring strip 22 is connected to the fixed support sleeve 25. The fixed support sleeve 25 has a limiting support rod 23, and the positioning lock strip 18 has a limiting through hole 24. The limiting support rod 23 is adapted to the limiting through hole 24, and the limiting support rod 23 passes through the spring strip 22 and the limiting through hole 24 in sequence.

[0032] Embodiment 5:

[0033] The upper part of the positioning lock bar 18 of the utility model has a fastening thread groove 28, and the upper part of the fixed support sleeve 25 has a sliding hole 27. The sliding hole 27 and the fastening thread groove 28 are adapted to the lever 26. The lever 26 passes through the sliding hole 27, and the lower end of the lever 26 is connected to the fastening thread groove 28 by a thread. The lever 26 increases the connection fulcrum between the positioning lock bar 18 and the positioning buckle 17, and provides a control fulcrum for the movement of the positioning lock bar 18. When the lever 26 is pushed outward, the positioning lock bar 18 is driven to move outward to the position between it and the positioning lock groove 21. When completely disengaged, the braking fulcrum of the fastening protrusion 09 disappears. At this time, the splicing angle between the guardrails 01 can be flexibly adjusted according to the specific terrain of the road and bridge project and the actual curvature of the road. When the external force on the lever 26 disappears, the positioning lock strip 18 is automatically reset to its embedded positioning lock groove 21 by the elastic tension of the spring strip 22 itself. At this time, the fastening protrusion 09 is braked and locked, and the shaft rod 05 cannot rotate, so as to position and support the adjusted supporting angle between the guardrails 01, thereby improving the stability of the guardrail 01 enclosure.

[0034] Embodiment 6:

[0035] Installation steps: First, assemble the positioning buckle ring 17 structure, first place the spring strip 22 and the positioning lock strip 18 into the fixed support sleeve 25 through the outer through hole 19, and the limiting support rod 23 passes through the spring strip 22 and the limiting through hole 24 in turn, the fastening thread groove 28 corresponds to the position of the sliding hole 27, and then pass the lever 26 through the sliding hole 27 until its inner end is embedded in the fastening thread groove 28, and is fixedly connected to the positioning lock strip 18 through the thread. After the positioning buckle ring 17 structure is assembled, the adjacent guardrails 01 are placed in parallel, and the connecting block 03 is embedded in the connecting plate 04, and then the shaft rod 05 is connected to the lower connecting plate 042, the connecting block 03, The upper connecting plate 041 is screwed in place until the upper surface of the circular baffle 06 fits with the lower connecting plate 042, the fastening protrusion 09 is embedded in the fastening support sleeve 10, and the positioning protrusion 07 is embedded in the positioning groove 08, the fastening card slot 13 corresponds to the position of the card plate through-hole 14, and then the fastening buckle 11 is placed on the outside of the fastening support sleeve 10, and the fastening card plate 12 passes through the card plate through-hole 14 and is embedded in the fastening card slot 13, finally the positioning buckle 17 is placed on the outside of the fastening support sleeve 10, and is fastened and fixed with the fastening buckle 11, and the fixing protrusion 15 is embedded in the fixing groove 16, and the positioning lock strip 18 passes through the outer through-hole 19 and the inner through-hole 20 in turn and is embedded in the positioning lock slot 21 to complete the installation.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A road and bridge engineering protection device, characterized in that : It comprises a guardrail (01), an axle (05), a fastening buckle (11), a positioning buckle (17), a positioning lock strip (18), and a lever (26); the guardrail (01) is internally connected to a guard net (02); the left side of the guardrail (01) has a connecting block (03); the right side of the guardrail (01) has a connecting plate (04); the inner side of the connecting plate (04) is connected to the connecting block (03); the connecting plate (04) is divided into an upper connecting plate (041) and a lower connecting plate (042); the axle (05) is sequentially connected to the lower connecting plate (042) and the connecting block (03); the axle (05) has a position control groove (08); the connecting block (03) has a position control convex block (07); the position control convex block (07) is adapted to the position control groove (08); the position control convex block (07) is connected to the position control groove (08); the lower end of the axle (05) has A circular baffle (06) is provided, the circular baffle (06) is fitted to the lower connecting plate (042), the upper end of the shaft rod (05) is provided with a fastening protrusion (09), the upper part of the upper connecting plate (041) is provided with a fastening support sleeve (10), the fastening protrusion (09) is connected to the upper connecting plate (041) and the fastening support sleeve (10) in sequence, the fastening support sleeve (10) is externally connected to a fastening buckle (11), and the fastening buckle (11) is internally provided with A fastening card plate (12) is provided, the fastening support sleeve (10) has a card plate through hole (14), the fastening protruding rod (09) has a fastening card slot (13), the fastening card slot (13) and the card plate through hole (14) are adapted to the fastening card plate (12), the fastening card plate (12) passes through the card plate through hole (14), the fastening card plate (12) is connected to the fastening card slot (13), and the fastening buckle (11) is connected to the positioning buckle (17).

2. A road and bridge engineering protection device according to claim 1, characterized in that : The positioning buckle (17) has fixing grooves (16) on both sides, and the fastening buckle (11) has fixing protrusions (15) on both sides. The fixing protrusions (15) are adapted to the fixing grooves (16), and the fixing protrusions (15) are connected to the fixing grooves (16).

3. A road and bridge engineering protection device according to claim 2, characterized in that The outer side of the positioning buckle (17) is provided with a fixing sleeve (25), the lower part of the fixing sleeve (25) is attached to the upper connecting plate (041), the inner side of the positioning buckle (17) is connected to the fastening sleeve (10), the fastening sleeve (10) has an inner through hole (20), the positioning buckle (17) has an outer through hole (19), the fastening protruding rod (09) has a plurality of positioning locking grooves (21), the positioning locking grooves (21), the inner through hole (20), and the outer through hole (19) are adapted to the positioning locking strip (18), the positioning locking strip (18) passes through the outer through hole (19) and the inner through hole (20) in sequence, and the inner end of the positioning locking strip (18) is connected to the positioning locking groove (21).

4. A road and bridge engineering protection device according to claim 3, characterized in that The positioning lock strip (18) is connected to one end of the spring strip (22), and one end of the spring strip (22) is connected to the fixed support sleeve (25). The fixed support sleeve (25) has a limiting support rod (23). The positioning lock strip (18) has a limiting through hole (24). The limiting support rod (23) is adapted to the limiting through hole (24). The limiting support rod (23) passes through the spring strip (22) and the limiting through hole (24) in sequence.

5. A road and bridge engineering protection device according to claim 4, characterized in that The upper portion of the positioning lock bar (18) has a fastening thread groove (28), and the upper portion of the fixed support sleeve (25) has a sliding hole (27). The sliding hole (27) and the fastening thread groove (28) are adapted to the shifting rod (26). The shifting rod (26) passes through the sliding hole (27), and the lower end of the shifting rod (26) is connected to the fastening thread groove (28) by a thread.

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