Safety guiding device for highway construction

Abstract

A safety guiding device for highway construction comprises a bottom plate, a movable supporting mechanism, a height adjusting mechanism, a mounting frame, a clamping and fixing mechanism and an indication board. The movable supporting mechanism comprises supporting legs, universal wheels, first sliding blocks, connecting rods, a supporting seat and anti-skid pads, the supporting legs are fixedly arranged on the side wall of the bottom plate, the universal wheels are fixedly arranged at the bottom ends of the supporting legs, first sliding grooves are formed in the supporting legs, and the first sliding blocks are inserted into the first sliding grooves and slide along the first sliding grooves; the two ends of the first sliding block penetrate through the side walls of the supporting legs and are fixedly connected with the two connecting rods, the supporting base is fixedly arranged at the bottom ends of the two connecting rods, and the anti-skid pad is attached to the bottom face of the supporting base. By arranging the universal wheels, the universal wheels are in contact with the ground, so that the device is convenient to move, and the maneuverability of the device is improved; and through cooperative use of the supporting base, the supporting legs, the first sliding blocks and the connecting rods, the supporting base is lowered to support the device, the device is prevented from deviating under the action of external force, meanwhile, the universal wheels are protected, and the stability of the device is improved.

Description

Technical Field

[0001] This utility model relates to the field of highway construction technology, and more specifically, to a safety guidance device for highway construction. Background Technology

[0002] Highway engineering refers to the surveying, measurement, design, construction, maintenance, and management of highway structures. Highway engineering structures include: roadbeds, pavements, bridges, culverts, tunnels, drainage systems, safety protection facilities, landscaping, and traffic monitoring facilities, as well as buildings, workshops, and other service facilities used for construction, maintenance, and monitoring. During highway construction, safety guidance devices are typically installed to ensure the safety of pedestrians and vehicles.

[0003] Patent CN218147949U discloses a highway construction safety guidance device, including a base plate and an indicator sign. A vertical plate is fixedly connected to the top of the base plate. A cavity is formed inside the vertical plate, and the same screw is rotatably connected to the upper and lower sides of the cavity. A threaded sleeve is threaded onto the outer wall of the screw, and movable rods are fixedly connected to both sides of the threaded sleeves. A lifting rod is fixedly connected to the top of each movable rod. The tops of both sets of lifting rods penetrate the vertical plate and are fixedly connected to the same lifting plate. A rotating assembly is provided at the bottom of the cavity. Two sets of symmetrical positioning plates are provided on the top sides of the lifting plate. The indicator sign is placed between the two sets of positioning plates, and a fixing assembly is provided on the positioning plates. This patent allows for height adjustment according to the terrain of the construction site, improving the guidance effect. Furthermore, the installation of the indicator sign is simple, time-saving, and labor-saving. However, this patent only allows for manual movement, making it difficult to conveniently move to a designated location, thus increasing the workload of workers. Utility Model Content

[0004] This utility model aims to overcome the inconvenience of handling and reduce the workload of workers by providing a safety guidance device for highway construction.

[0005] A safety guidance device for highway construction includes a base plate, a movable support mechanism, a height adjustment mechanism, a mounting frame, a clamping mechanism, and an indicator sign. The movable support mechanism is disposed on the side wall of the base plate, the height adjustment mechanism is disposed on the top surface of the base plate, the mounting frame is disposed on the height adjustment mechanism, the indicator sign is inserted inside the mounting frame, and the clamping mechanism is disposed between the mounting frame and the indicator sign.

[0006] The mobile support mechanism includes outriggers, casters, a first slider, connecting rods, a support base, and an anti-slip pad. The outriggers are fixedly mounted on the side wall of the base plate, the casters are fixedly mounted on the bottom of the outriggers, a first groove is provided inside the outriggers, the first slider is inserted into the first groove and slides along the first groove, both ends of the first slider penetrate through the side wall of the outriggers and are fixedly connected to two connecting rods, the support base is fixedly mounted on the bottom of the two connecting rods, and the anti-slip pad is attached to the bottom surface of the support base.

[0007] Furthermore, the mobile support mechanism also includes a first one-way screw, a first handle, and a first positioning component. The first one-way screw is inserted into the first slide groove and is rotatably connected to the support leg. The first slider is sleeved on the first one-way screw and slides along the first slide groove through the first one-way screw. The top end of the first one-way screw penetrates the top surface of the support leg and is fixedly connected to the first handle. The first positioning component is disposed between the first handle and the support leg.

[0008] Furthermore, the first positioning component includes a first pull rod, a first pull handle, a baffle, and an insert block. The first pull rod passes through the first handle and slides along the first handle. The first pull handle is fixedly disposed at the top of the first pull rod. The baffle is fixedly disposed at the bottom of the first pull rod. The insert block is fixedly disposed at the bottom surface of the baffle. The bottom end of the insert block is inserted into the leg.

[0009] Furthermore, the first positioning component also includes a first spring, which is sleeved on the first pull rod. The top end of the first spring is fixedly connected to the bottom surface of the first handle, and the bottom end of the first spring is fixedly connected to the top surface of the baffle.

[0010] Furthermore, the height adjustment mechanism includes a support rod, a vertical frame, a second one-way screw, and a second slider. The support rod is fixedly installed on the top surface of the base plate, the vertical frame is fixedly installed on the top of the support rod, the second one-way screw is inserted into the vertical frame and rotatably connected to the vertical frame, one end of the second slider is sleeved on the second one-way screw and slides along the vertical frame through the second one-way screw, and the other end of the second slider is fixedly connected to the side wall of the mounting frame.

[0011] Furthermore, the height adjustment mechanism also includes a first bevel gear, a rotating rod, a second bevel gear, a second handle, and a second positioning component. A horizontal groove is provided inside the bottom end of the vertical frame. The bottom end of the second one-way lead screw passes through the horizontal groove and is fixedly connected to the first bevel gear. The rotating rod is inserted into the horizontal groove and is rotatably connected to the vertical frame. The second bevel gear is sleeved on the rotating rod and is fixedly connected to the rotating rod. The first bevel gear and the second bevel gear mesh with each other. One end of the rotating rod passes through the side wall of the vertical frame and is fixedly connected to the second handle. The second positioning component is disposed between the second slider and the vertical frame.

[0012] Furthermore, the second positioning component includes a positioning frame, a third slider, and a positioning block. A second sliding groove is provided on the side wall of the vertical frame. One end of the positioning frame is fixedly connected to the side wall of the second slider. The other end of the positioning frame passes through the second sliding groove and slides along the second sliding groove. The third slider is inserted into the positioning frame and slides along the positioning frame. The positioning block is fixedly set on the side wall of the second slider. A plurality of insertion holes are provided on the side wall of the vertical frame. The positioning block passes through the insertion holes and is inserted into the second slider.

[0013] Furthermore, the second positioning component also includes a third one-way lead screw and a third handle. The third one-way lead screw is inserted inside the positioning frame and is rotatably connected to the positioning frame. The third slider is sleeved on the third one-way lead screw and slides along the positioning frame through the third one-way lead screw. One end of the third one-way lead screw passes through the side wall of the positioning frame and is fixedly connected to the third handle.

[0014] Furthermore, the clamping mechanism includes a second pull rod, a second pull handle, a clamping plate, and a limiting block. The second pull rod passes through the side wall of the mounting frame and slides along the mounting frame. The second pull handle is fixedly installed at one end of the two second pull rods. The clamping plate is fixedly installed at the other end of the two second pull rods. The inner wall of the clamping plate is in contact with the side wall of the sign. The top end of the limiting block is fixedly connected to the bottom end of the clamping plate. A placement groove is opened inside the bottom end of the mounting frame. The bottom end of the limiting block is inserted into the placement groove and slides along the placement groove.

[0015] Furthermore, the clamping mechanism also includes a second spring, which is sleeved on the second pull rod. One end of the second spring is fixedly connected to the inner wall of the mounting frame, and the other end of the second spring is fixedly connected to the outer wall of the clamping plate.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] ①The safety guidance device for highway construction provided by this utility model has omnidirectional wheels that are in contact with the ground, making it easy to move the device and improving its mobility; and a support base is provided, with the outriggers, the first slider and the connecting rod working together to lower the support base to support the device, preventing the device from shifting under external force, while protecting the omnidirectional wheels and improving the stability of the device.

[0018] ②The safety guidance device for highway construction provided by this utility model, by setting a first pull rod, a first pull handle, a baffle and an insert, the first pull rod, the first pull handle and the baffle work together to make the insert insert into the outrigger to lock the first handle, thereby improving the stability of the device.

[0019] ③ The safety guidance device for highway construction provided by this utility model, by setting a positioning frame, a third slider and a positioning block, the positioning block is inserted into the interior of the second slider through a through-hole used in cooperation with the third slider and the positioning frame, thereby fixing the position between the second slider and the vertical frame and improving the stability of the device.

[0020] ④ The safety guidance device for highway construction provided by this utility model, by setting a second pull rod, a second pull handle and a clamping plate, the second pull rod and the second pull handle work together to pull the clamping plate, which can be adjusted according to the size of the sign, to stably clamp the sign and improve the applicability of the device. Attached Figure Description

[0021] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0022] Figure 1 This is a schematic diagram of the overall structure of the safety guidance device for highway construction in this utility model.

[0023] Figure 2 This is a schematic diagram of the specific structure of the mobile support mechanism in this utility model.

[0024] Figure 3 This is a schematic diagram of the specific structure of the height adjustment mechanism in this utility model.

[0025] Figure 4 This is a schematic diagram of the specific structure of the clamping mechanism in this utility model.

[0026] In the diagram: 1. Base plate; 2. Mounting frame; 3. Indicator sign; 4. Support leg; 5. Caster wheel; 6. First slider; 7. Connecting rod; 8. Support base; 9. Anti-slip pad; 10. First slide groove; 11. First one-way lead screw; 12. First handle; 13. First pull rod; 14. First pull handle; 15. Baffle; 16. Insert block; 17. First spring; 18. Support rod; 19. Vertical frame; 20. Second one-way lead screw; 21. 21. Second slider; 22. First bevel gear; 23. Rotating rod; 24. Second bevel gear; 25. Second handle; 26. Horizontal groove; 27. Positioning frame; 28. Third slider; 29. ​​Positioning block; 30. Second slide groove; 31. Insertion hole; 32. Third one-way screw; 33. Third handle; 34. Second pull rod; 35. Second pull handle; 36. Clamping plate; 37. Limiting block; 38. Placement groove; 39. Second spring. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] like Figure 1As shown, a safety guidance device for highway construction includes a base plate 1, a movable support mechanism, a height adjustment mechanism, a mounting frame 2, a clamping mechanism, and an indicator sign 3. The movable support mechanism is located on the side wall of the base plate 1, the height adjustment mechanism is located on the top surface of the base plate 1, the mounting frame 2 is located on the height adjustment mechanism, the indicator sign 3 is inserted inside the mounting frame 2, and the clamping mechanism is located between the mounting frame 2 and the indicator sign 3. Specifically, the movable support mechanism is located on the side wall of the base plate 1, the height adjustment mechanism is located on the top surface of the base plate 1, the mounting frame 2 is located on the height adjustment mechanism, the indicator sign 3 is inserted inside the mounting frame 2, and the clamping mechanism is located between the mounting frame 2 and the indicator sign 3.

[0029] like Figure 2 As shown, the movable support mechanism includes a support leg 4, a caster wheel 5, a first slider 6, a connecting rod 7, a support base 8, and an anti-slip pad 9. The support leg 4 is fixedly installed on the side wall of the base plate 1, the caster wheel 5 is fixedly installed at the bottom end of the support leg 4, a first groove 10 is opened inside the support leg 4, the first slider 6 is inserted into the first groove 10 and slides along the first groove 10, both ends of the first slider 6 pass through the side wall of the support leg 4 and are fixedly connected to the two connecting rods 7, the support base 8 is fixedly installed at the bottom end of the two connecting rods 7, and the anti-slip pad 9 is attached to the bottom surface of the support base 8. Specifically, the support leg 4 is welded to the side wall of the base plate 1, the caster wheel 5 is welded to the bottom end of the support leg 4, the first groove 10 is opened inside the support leg 4, the first slider 6 is inserted into the first groove 10 and slides along the first groove 10, both ends of the first slider 6 pass through the side wall of the support leg 4 and are welded to the two connecting rods 7, the support base 8 is welded to the bottom end of the two connecting rods 7, and the anti-slip pad 9 is attached to the bottom surface of the support base 8.

[0030] In this utility model, by setting up casters 5, which are in contact with the ground, the device can be moved easily, thus improving its mobility. By setting up a support base 8, the support legs 4, the first slider 6, and the connecting rod 7 work together to lower the support base 8 to support the device, preventing the device from shifting under external force, while also protecting the casters 5 and improving the stability of the device.

[0031] The mobile support mechanism also includes a first one-way lead screw 11, a first handle 12, and a first positioning component. The first one-way lead screw 11 is inserted into the first slide groove 10 and is rotatably connected to the support leg 4. The first slider 6 is sleeved on the first one-way lead screw 11 and slides along the first slide groove 10 through the first one-way lead screw 11. The top end of the first one-way lead screw 11 penetrates the top surface of the support leg 4 and is fixedly connected to the first handle 12. The first positioning component is disposed between the first handle 12 and the support leg 4. Specifically, the first one-way lead screw 11 is inserted into the first slide groove 10 and is rotatably connected to the support leg 4. The first slider 6 has a through hole. The first slider 6 is sleeved on the first one-way lead screw 11 through the through hole and slides along the first slide groove 10 through the first one-way lead screw 11. The top end of the first one-way lead screw 11 penetrates the top surface of the support leg 4 and is welded to the first handle 12. The first positioning component is disposed between the first handle 12 and the support leg 4.

[0032] The first positioning component includes a first pull rod 13, a first pull handle 14, a baffle 15, and an insert 16. The first pull rod 13 passes through the first handle 12 and slides along the first handle 12. The first pull handle 14 is fixedly disposed at the top end of the first pull rod 13. The baffle 15 is fixedly disposed at the bottom end of the first pull rod 13. The insert 16 is fixedly disposed on the bottom surface of the baffle 15. The bottom end of the insert 16 is inserted into the interior of the support leg 4. Specifically, the first pull rod 13 passes through the first handle 12 and slides along the first handle 12. The first pull handle 14 is welded to the top end of the first pull rod 13. The baffle 15 is welded to the bottom end of the first pull rod 13. The insert 16 is welded to the bottom surface of the baffle 15. The bottom end of the insert 16 is inserted into the interior of the support leg 4.

[0033] In this utility model, by setting a first pull rod 13, a first pull handle 14, a baffle 15 and an insert block 16, the first pull rod 13, the first pull handle 14 and the baffle 15 cooperate to insert the insert block 16 into the support leg 4 to lock the first rotating handle 12, thereby improving the stability of the device.

[0034] The first positioning component also includes a first spring 17, which is sleeved on the first pull rod 13. The top end of the first spring 17 is fixedly connected to the bottom surface of the first handle 12, and the bottom end of the first spring 17 is fixedly connected to the top surface of the baffle 15. Specifically, the first spring 17 is sleeved on the first pull rod 13, the top end of the first spring 17 is welded to the bottom surface of the first handle 12, and the bottom end of the first spring 17 is welded to the top surface of the baffle 15.

[0035] like Figure 3As shown, the height adjustment mechanism includes a support rod 18, a vertical frame 19, a second one-way screw 20, and a second slider 21. The support rod 18 is fixedly installed on the top surface of the base plate 1, and the vertical frame 19 is fixedly installed on the top of the support rod 18. The second one-way screw 20 is inserted into the vertical frame 19 and rotatably connected to it. One end of the second slider 21 is sleeved on the second one-way screw 20 and slides along the vertical frame 19 through the second one-way screw 20. The other end of the second slider 21 is fixedly connected to the side wall of the mounting frame 2. Specifically, the support rod 18 is welded to the top surface of the base plate 1, and the vertical frame 19 is welded to the top of the support rod 18. The second one-way screw 20 is inserted into the vertical frame 19 and rotatably connected to it. One end of the second slider 21 has a through hole, and the second slider 21 is sleeved on the second one-way screw 20 through the through hole and slides along the vertical frame 19 through the second one-way screw 20. The other end of the second slider 21 is welded to the side wall of the mounting frame 2.

[0036] The height adjustment mechanism also includes a first bevel gear 22, a rotating rod 23, a second bevel gear 24, a second handle 25, and a second positioning assembly. A horizontal groove 26 is formed inside the bottom end of the vertical frame 19. The bottom end of the second one-way screw 20 passes through the horizontal groove 26 and is fixedly connected to the first bevel gear 22. The rotating rod 23 is inserted into the horizontal groove 26 and is rotatably connected to the vertical frame 19. The second bevel gear 24 is sleeved on the rotating rod 23 and is fixedly connected to the rotating rod 23. The first bevel gear 22 and the second bevel gear 24 mesh with each other. One end of the rotating rod 23 passes through the side wall of the vertical frame 19 and is fixedly connected to the second handle 25. The positioning component is located between the second slider 21 and the vertical frame 19. Specifically, a horizontal groove 26 is provided inside the bottom end of the vertical frame 19. The bottom end of the second one-way lead screw 20 passes through the horizontal groove 26 and is welded to the first bevel gear 22. The rotating rod 23 is inserted into the horizontal groove 26 and is rotatably connected to the vertical frame 19. The second bevel gear 24 is sleeved on the rotating rod 23 and welded to the rotating rod 23. The first bevel gear 22 and the second bevel gear 24 mesh with each other. One end of the rotating rod 23 passes through the side wall of the vertical frame 19 and is welded to the second handle 25. A second positioning component is provided between the second slider 21 and the vertical frame 19.

[0037] The second positioning component includes a positioning frame 27, a third slider 28, and a positioning block 29. A second groove 30 is provided on the side wall of the vertical frame 19. One end of the positioning frame 27 is fixedly connected to the side wall of the second slider 21, and the other end of the positioning frame 27 passes through the second groove 30 and slides along the second groove 30. The third slider 28 is inserted inside the positioning frame 27 and slides along the positioning frame 27. The positioning block 29 is fixedly disposed on the side wall of the second slider 21. Several insertion holes 31 are provided on the side wall of the vertical frame 19, and the positioning block 29 passes through the insertion holes 31 and is inserted... The second slider 21 is inserted into the side wall of the vertical frame 19, which is specifically manifested as a second groove 30. One end of the positioning frame 27 is welded to the side wall of the second slider 21, and the other end of the positioning frame 27 passes through the second groove 30 and slides along the second groove 30. The third slider 28 is inserted into the positioning frame 27 and slides along the positioning frame 27. The side wall of the second slider 21 is welded with a positioning block 29. The side wall of the vertical frame 19 is provided with several insertion holes 31. The positioning block 29 passes through the insertion holes 31 and is inserted into the interior of the second slider 21.

[0038] In this utility model, by setting a positioning frame 27, a third slider 28 and a positioning block 29, the positioning block 29 is inserted into the interior of the second slider 21 through the through-hole 31 between the third slider 28 and the positioning frame 27, thereby fixing the position between the second slider 21 and the vertical frame 19 and improving the stability of the device.

[0039] The second positioning assembly also includes a third one-way lead screw 32 and a third handle 33. The third one-way lead screw 32 is inserted into the positioning frame 27 and rotatably connected to the positioning frame 27. The third slider 28 is sleeved on the third one-way lead screw 32 and slides along the positioning frame 27 through the third one-way lead screw 32. One end of the third one-way lead screw 32 passes through the side wall of the positioning frame 27 and is fixedly connected to the third handle 33. Specifically, the third one-way lead screw 32 is inserted into the positioning frame 27 and rotatably connected to the positioning frame 27. The third slider 28 has a through hole. The third slider 28 is sleeved on the third one-way lead screw 32 through the through hole and slides along the positioning frame 27 through the third one-way lead screw 32. One end of the third one-way lead screw 32 passes through the side wall of the positioning frame 27 and is welded to the third handle 33.

[0040] like Figure 4As shown, the clamping mechanism includes a second pull rod 34, a second pull handle 35, a clamping plate 36, and a limiting block 37. The second pull rod 34 passes through the side wall of the mounting frame 2 and slides along the mounting frame 2. The second pull handle 35 is fixedly installed at one end of the two second pull rods 34. The clamping plate 36 is fixedly installed at the other end of the two second pull rods 34. The inner wall of the clamping plate 36 contacts the side wall of the indicator sign 3. The top end of the limiting block 37 is fixedly connected to the bottom end of the clamping plate 36. A placement groove 38 is opened inside the bottom end of the mounting frame 2, and the bottom end of the limiting block 37 is inserted into the placement groove. The second pull rod 34 slides through the side wall of the mounting frame 2 and along the mounting frame 2. The second pull handle 35 is welded to one end of the two second pull rods 34, and the clamping plate 36 is welded to the other end of the two second pull rods 34. The inner wall of the clamping plate 36 is in contact with the side wall of the indicator 3. The top of the limiting block 37 is welded to the bottom of the clamping plate 36. The bottom of the mounting frame 2 has a mounting groove 38. The bottom of the limiting block 37 is inserted into the mounting groove 38 and slides along the mounting groove 38.

[0041] In this utility model, by setting a second pull rod 34, a second pull handle 35 and a clamping plate 36, the second pull rod 34 and the second pull handle 35 work together to pull the clamping plate 36, which can be adjusted according to the size of the sign 3, and the sign 3 is stably clamped, thus improving the applicability of the device.

[0042] The clamping mechanism also includes a second spring 39, which is sleeved on the second pull rod 34. One end of the second spring 39 is fixedly connected to the inner wall of the mounting frame 2, and the other end of the second spring 39 is fixedly connected to the outer wall of the clamping plate 36. Specifically, the second spring 39 is sleeved on the second pull rod 34, one end of the second spring 39 is welded to the inner wall of the mounting frame 2, and the other end of the second spring 39 is welded to the outer wall of the clamping plate 36.

[0043] The working principle of the highway construction safety guidance device in this embodiment is as follows:

[0044] Pulling the second handle 35 causes the second rod 34 to slide along the mounting frame 2, moving the clamping plate 36 and the limiting block 37. The indicator sign 3 is then placed inside the mounting frame 2, with its bottom end inserted into the placement groove 38. Pushing the second handle 35 causes the second rod 34 to slide along the mounting frame 2, moving the clamping plate 36 and the limiting block 37. The inner wall of the clamping plate 36 contacts the side wall of the indicator sign 3, clamping it securely. The operator then moves the device to the designated position using the casters. When the first handle 14 is pulled, the first pull rod 13 slides along the first handle 12 with the first handle 14. The baffle 15 moves with the first pull rod 13, and the insert block 16 moves out of the support leg 4 with the baffle 15. When the first handle 12 is rotated, the first one-way screw 11 rotates with the first handle 12, and the first slider 6 slides along the first slide groove 10 with the first one-way screw 11. The connecting rod 7 moves with the first slider 6, and the support base 8 moves with the connecting rod 7. The anti-slip pad 9 moves with the support base 8 until it contacts the ground. When the first handle 14 is pushed, the first pull rod 13 slides along the first handle 12 with the first handle 14. The baffle 15 moves with the first pull rod 13. Move the insert 16, which moves with the baffle 15 and inserts into the support leg 4, locking the first handle 12; adjust the height of the indicator 3 according to the actual situation, rotate the third handle 33, the third one-way screw 32 rotates with the third handle 33, the third slider 28 rotates with the third one-way screw 32 and slides along the positioning frame 27, the positioning block 29 moves with the third slider 28 and is pulled out from the insertion hole 31, rotate the second handle 25, the rotating rod 23 rotates with the second handle 25, the second bevel gear 24 rotates with the rotating rod 23, the first bevel gear 22 rotates with the second bevel gear 24, the second one-way screw 20 rotates with the first bevel gear 22, the second slider 21 rotates with the first bevel gear 22, and the second slider 21 rotates with the first bevel gear 22. The second one-way screw 20 rotates and slides along the vertical frame 19. The positioning frame 27 slides along the second slide groove 30 with the second slider 21. The third slider 28 moves with the positioning frame 27. The positioning block 29 moves with the third slider 28. At the same time, the mounting frame 2 moves with the second slider 21. The indicator 3 moves to the specified height with the mounting frame 2. The third handle 33 is rotated. The third one-way screw 32 rotates with the third handle 33. The third slider 28 rotates with the third one-way screw 32 and slides along the positioning frame 27. The positioning block 29 moves with the third slider 28 and inserts into the interior of the second slider 21 through the insertion hole 31, locking the position between the second slider 21 and the vertical frame 19.

[0045] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A safety guidance device for highway construction, characterized in that: The device includes a base plate (1), a movable support mechanism, a height adjustment mechanism, a mounting frame (2), a clamping mechanism, and an indicator sign (3). The movable support mechanism is located on the side wall of the base plate (1), the height adjustment mechanism is located on the top surface of the base plate (1), the mounting frame (2) is located on the height adjustment mechanism, the indicator sign (3) is inserted inside the mounting frame (2), and the clamping mechanism is located between the mounting frame (2) and the indicator sign (3). The mobile support mechanism includes a support leg (4), a caster wheel (5), a first slider (6), a connecting rod (7), a support base (8), and an anti-slip pad (9). The support leg (4) is fixedly installed on the side wall of the base plate (1). The caster wheel (5) is fixedly installed at the bottom end of the support leg (4). A first groove (10) is provided inside the support leg (4). The first slider (6) is inserted into the first groove (10) and slides along the first groove (10). Both ends of the first slider (6) penetrate the side wall of the support leg (4) and are fixedly connected to the two connecting rods (7). The support base (8) is fixedly installed at the bottom end of the two connecting rods (7). The anti-slip pad (9) is attached to the bottom surface of the support base (8).

2. The safety guidance device for highway construction according to claim 1, characterized in that: The mobile support mechanism further includes a first one-way lead screw (11), a first handle (12), and a first positioning component. The first one-way lead screw (11) is inserted into the first slide groove (10) and rotatably connected to the support leg (4). The first slider (6) is sleeved on the first one-way lead screw (11) and slides along the first slide groove (10) through the first one-way lead screw (11). The top end of the first one-way lead screw (11) passes through the top surface of the support leg (4) and is fixedly connected to the first handle (12). The first positioning component is disposed between the first handle (12) and the support leg (4).

3. A safety guidance device for highway construction according to claim 2, characterized in that: The first positioning component includes a first pull rod (13), a first pull handle (14), a baffle (15), and an insert (16). The first pull rod (13) passes through the first handle (12) and slides along the first handle (12). The first pull handle (14) is fixedly disposed at the top end of the first pull rod (13). The baffle (15) is fixedly disposed at the bottom end of the first pull rod (13). The insert (16) is fixedly disposed on the bottom surface of the baffle (15). The bottom end of the insert (16) is inserted into the inside of the support leg (4).

4. A safety guidance device for highway construction according to claim 3, characterized in that: The first positioning component also includes a first spring (17), which is sleeved on the first pull rod (13). The top end of the first spring (17) is fixedly connected to the bottom surface of the first handle (12), and the bottom end of the first spring (17) is fixedly connected to the top surface of the baffle (15).

5. A safety guidance device for highway construction according to claim 1, characterized in that: The height adjustment mechanism includes a support rod (18), a vertical frame (19), a second one-way screw (20), and a second slider (21). The support rod (18) is fixedly installed on the top surface of the base plate (1). The vertical frame (19) is fixedly installed on the top of the support rod (18). The second one-way screw (20) is inserted into the vertical frame (19) and rotatably connected to the vertical frame (19). One end of the second slider (21) is sleeved on the second one-way screw (20) and slides along the vertical frame (19) through the second one-way screw (20). The other end of the second slider (21) is fixedly connected to the side wall of the mounting frame (2).

6. A safety guidance device for highway construction according to claim 5, characterized in that: The height adjustment mechanism further includes a first bevel gear (22), a rotating rod (23), a second bevel gear (24), a second handle (25), and a second positioning component. A horizontal groove (26) is provided inside the bottom end of the vertical frame (19). The bottom end of the second one-way screw (20) passes through the horizontal groove (26) and is fixedly connected to the first bevel gear (22). The rotating rod (23) is inserted into the horizontal groove (26) and is rotatably connected to the vertical frame (19). The second bevel gear (24) is sleeved on the rotating rod (23) and is fixedly connected to the rotating rod (23). The first bevel gear (22) and the second bevel gear (24) mesh with each other. One end of the rotating rod (23) passes through the side wall of the vertical frame (19) and is fixedly connected to the second handle (25). The second positioning component is disposed between the second slider (21) and the vertical frame (19).

7. A safety guidance device for highway construction according to claim 6, characterized in that: The second positioning component includes a positioning frame (27), a third slider (28), and a positioning block (29). The side wall of the vertical frame (19) is provided with a second sliding groove (30). One end of the positioning frame (27) is fixedly connected to the side wall of the second slider (21). The other end of the positioning frame (27) passes through the second sliding groove (30) and slides along the second sliding groove (30). The third slider (28) is inserted into the positioning frame (27) and slides along the positioning frame (27). The positioning block (29) is fixedly disposed on the side wall of the second slider (21). The side wall of the vertical frame (19) is provided with a plurality of insertion holes (31). The positioning block (29) passes through the insertion holes (31) and is inserted into the second slider (21).

8. A safety guidance device for highway construction according to claim 7, characterized in that: The second positioning component further includes a third one-way lead screw (32) and a third handle (33). The third one-way lead screw (32) is inserted into the positioning frame (27) and rotatably connected to the positioning frame (27). The third slider (28) is sleeved on the third one-way lead screw (32) and slides along the positioning frame (27) through the third one-way lead screw (32). One end of the third one-way lead screw (32) passes through the side wall of the positioning frame (27) and is fixedly connected to the third handle (33).

9. A safety guidance device for highway construction according to claim 1, characterized in that: The clamping mechanism includes a second pull rod (34), a second pull handle (35), a clamping plate (36), and a limiting block (37). The second pull rod (34) passes through the side wall of the mounting frame (2) and slides along the mounting frame (2). The second pull handle (35) is fixedly disposed at one end of the two second pull rods (34). The clamping plate (36) is fixedly disposed at the other end of the two second pull rods (34). The inner wall of the clamping plate (36) is in contact with the side wall of the sign (3). The top end of the limiting block (37) is fixedly connected to the bottom end of the clamping plate (36). A placement groove (38) is provided inside the bottom end of the mounting frame (2). The bottom end of the limiting block (37) is inserted into the placement groove (38) and slides along the placement groove (38).

10. A safety guidance device for highway construction according to claim 9, characterized in that: The clamping mechanism further includes a second spring (39), which is sleeved on the second pull rod (34). One end of the second spring (39) is fixedly connected to the inner wall of the mounting frame (2), and the other end of the second spring (39) is fixedly connected to the outer wall of the clamping plate (36).

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