Safety guidance device for highway construction
By introducing mechanical components driven by self-locking motors into the trolley of the road construction safety guidance device, the automatic driving of the trolley and the height adjustment of the signboard are realized, which solves the problem of poor manpower and flexibility in using existing devices, and improves the automation level of the device and the efficiency of the use of energy-consuming equipment.
Patent Information
- Application Number
- CN202323634853.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-29
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2033-12-29
AI Technical Summary
The existing highway construction safety guidance device requires manpower to push, and has poor usage flexibility. The hydraulic lifting device is only used for lifting and lowering operations of the device, and has not fully utilized the functions of energy-consuming equipment.
A cart device including a self-locking motor, bevel gear, unidirectional bearing, reciprocating screw, slide plate and universal wheel is designed. By driving the rotating shaft and reciprocating screw, the automatic driving of the cart and the height adjustment of the signboard are realized.
It realizes automatic driving of the cart, saves manpower, and drives multiple mechanical components through a self-locking motor, improves the flexibility of using energy-consuming equipment, and can complete multiple operations at the same time.
Smart Images

Figure CN222730399U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of guiding devices, in particular to a safety guiding device used in highway construction. Background Art
[0002] Highway construction safety guidance devices are devices used to guide and warn drivers when driving in road construction areas. Their purpose is to remind drivers to pay attention to the construction area, slow down, and ensure the safety of the construction site. Existing highway construction safety guidance devices (Announcement No.: CN219908670U) have at least the following defects in use:
[0003] When using the device, the user needs to manually push the device to the location to be warned with the help of the handle on the top of the cart and the wheels at the bottom, which consumes a lot of manpower, and the hydraulic lifting device used is only used for the lifting operation of the device, which reduces the flexibility of the use of energy-consuming equipment. Utility Model Content
[0004] The main purpose of the utility model is to provide a safety guiding device for highway construction, which can effectively solve the problems in the background technology.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] A safety guiding device for highway construction comprises a cart, wherein the top of the cart is fixedly connected with a box, a maintenance door is hingedly connected to the first side of the box, a warning light is fixedly connected to the first end of the box, a lifting assembly is arranged at the bottom of the box, the lifting assembly comprises a self-locking motor, the self-locking motor is fixed to the bottom of the second side of the box, the output end of the self-locking motor is fixedly connected with a rotating shaft, the first side of the rotating shaft is fixedly connected with a first bevel gear, the first side of the first bevel gear is meshed with a second bevel gear, the center of the second bevel gear penetrates and is fixedly connected with a first one-way bearing, the center of the first one-way bearing is fixedly connected with a reciprocating screw, the bottom of the reciprocating screw is rotatably connected to the top of the cart, the top of the outer wall of the reciprocating screw is threadedly connected with a slide plate, the two ends of the top of the slide plate are fixedly connected with sliding rods, the top of the sliding rod penetrates the box and is fixedly connected with a fixing plate, the top of the fixing plate is fixedly connected with a transparent indicator plate placement box, the top corners of the bottom of the cart are fixedly connected with universal wheels, and the center of the bottom of the cart is provided with a driving assembly.
[0007] Preferably, a baffle is fixedly connected to the bottom of the outer wall of the reciprocating screw rod, and the baffle is arranged at the bottom of the slide plate. Both ends of the slide plate are slidably connected to the inner wall of the box body.
[0008] Preferably, the driving assembly comprises a pair of brackets, and the brackets are fixed to the centers of both sides of the bottom of the cart.
[0009] Preferably, a driving shaft is rotatably connected between the brackets, and driving wheels are fixedly connected to both sides of the outer wall of the driving shaft.
[0010] Preferably, a second pulley is fixedly connected to the center of the outer wall of the rotating shaft, and the bottom of the second pulley passes through the trolley and is transmission-connected to the first pulley.
[0011] Preferably, a second one-way bearing passes through the center of the first pulley and is fixedly connected thereto, and the center of the second one-way bearing is fixed to the outer wall of the driving shaft.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] The utility model drives the cart by starting the self-locking motor to reverse (at this time the first one-way bearing does not transmit power) to drive the second pulley, the first pulley, the second one-way bearing, the driving shaft, and the driving wheel to rotate, which saves manpower. The utility model also drives the cart by starting the self-locking motor to rotate forward (at this time the second one-way bearing does not transmit power) to drive the rotating shaft, the first bevel gear, the second bevel gear, the first one-way bearing, and the reciprocating screw to rotate. The reciprocating screw drives the slide plate, the slide rod, and the fixed plate to slide along the inner wall of the box, and at the same time, the height of the transparent sign placement box can be adjusted, so that a single energy-consuming device can be used for multiple operations at the same time, thereby improving the flexibility of the use of the energy-consuming device. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is an axial view of the utility model;
[0015] Figure 2 It is a partial exploded view of the utility model;
[0016] Figure 3 This is an exploded view of the lifting assembly of the utility model;
[0017] Figure 4 This is an axial view of the drive assembly of the utility model.
[0018] In the figure: 1. cart; 2. box; 3. inspection door; 4. warning light; 5. lifting assembly; 501. self-locking motor; 502. rotating shaft; 503. first bevel gear; 504. second bevel gear; 505. first one-way bearing; 506. reciprocating screw; 507. baffle; 508. slide plate; 509. slide bar; 510. fixing plate; 6. transparent sign placement box; 7. universal wheel; 8. driving assembly; 801. bracket; 802. driving shaft; 803. driving wheel; 804. second one-way bearing; 805. first pulley; 806. second pulley. DETAILED DESCRIPTION
[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0020] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0022] In the process of guiding the safety of highway construction, a guiding device is needed. The utility model provides a guiding device for highway construction safety, which is specially used for guiding the safety of highway construction.
[0023] It should be emphasized that the cart 1, the box 2, the inspection door 3, and the warning light 4 are the prior art disclosed in publication number CN219908670U, so the specific structure will not be described in detail here.
[0024] Example
[0025] See also Figure 1-Figure 4 , the utility model provides a technical solution:
[0026] The device is used for highway construction safety guidance, including a cart 1, a box body 2 is fixedly connected to the top of the cart 1, an inspection door 3 is hinged on the first side of the box body 2, a warning light 4 is fixedly connected to the first end of the box body 2, a lifting assembly 5 is arranged at the bottom of the box body 2, and the lifting assembly 5 includes a self-locking motor 501, the self-locking motor 501 is fixed to the bottom of the second side of the box body 2, the output end of the self-locking motor 501 is fixedly connected to a rotating shaft 502, a first side of the rotating shaft 502 is fixedly connected to a first bevel gear 503, a first side of the first bevel gear 503 is meshed with a second bevel gear 504, a first one-way bearing 505 is passed through and fixedly connected to the center of the second bevel gear 504, and the first one-way bearing 505 is fixedly connected to the first one-way bearing 505. A reciprocating screw rod 506 is fixedly connected to the center, the bottom of the reciprocating screw rod 506 is rotatably connected to the top of the cart 1, the top of the outer wall of the reciprocating screw rod 506 is threadedly connected to a slide plate 508, both ends of the top of the slide plate 508 are fixedly connected to sliding rods 509, the top of the sliding rod 509 passes through the box 2 and is fixedly connected to a fixed plate 510, the top of the fixed plate 510 is fixedly connected to a transparent sign placement box 6, universal wheels 7 are fixedly connected to the top corners of the bottom of the cart 1, a driving assembly 8 is arranged at the center of the bottom of the cart 1, a baffle 507 is fixedly connected to the bottom of the outer wall of the reciprocating screw rod 506, the baffle 507 is arranged at the bottom of the slide plate 508, and both ends of the slide plate 508 are slidably connected to the inner wall of the box 2.
[0027] In this embodiment, by starting the self-locking motor 501 to rotate forward (at this time the second one-way bearing 804 does not transmit), the rotating shaft 502, the first bevel gear 503, the second bevel gear 504, the first one-way bearing 505, and the reciprocating screw 506 are driven to rotate. The reciprocating screw 506 drives the slide plate 508, the slide bar 509, and the fixed plate 510 to slide along the inner wall of the box body 2, thereby realizing the lifting operation of the transparent sign placement box 6.
[0028] The driving assembly 8 includes a pair of brackets 801, and the centers of the brackets 801 and the two sides of the bottom of the cart 1 are fixed. A driving shaft 802 is rotatably connected between the brackets 801, and driving wheels 803 are fixedly connected to the two sides of the outer wall of the driving shaft 802. The center of the outer wall of the rotating shaft 502 is fixedly connected to a second pulley 806, and the bottom of the second pulley 806 passes through the cart 1 and is transmission-connected to the first pulley 805. The center of the first pulley 805 passes through and is fixedly connected to a second one-way bearing 804, and the center of the second one-way bearing 804 is fixed to the outer wall of the driving shaft 802.
[0029] In this embodiment, the self-locking motor 501 is started to reverse (the first one-way bearing 505 does not transmit power at this time) to drive the second pulley 806, the first pulley 805, the second one-way bearing 804, the drive shaft 802, and the drive wheel 803 to rotate, thereby driving the cart 1, which saves manpower.
[0030] It should be noted that, when the utility model is used as a safety guidance device for highway construction, the sign is first placed in the transparent sign placement box 6, and then the self-locking motor 501 is started to reverse (the first one-way bearing 505 is not transmitted at this time) to drive the second pulley 806, the first pulley 805, the second one-way bearing 804, the drive shaft 802, and the drive wheel 803 to rotate, so as to drive the cart 1 to the place to be used, and then the self-locking motor 501 is started to rotate forward (the second one-way bearing 804 is not transmitted at this time) to drive the rotating shaft 502, the first bevel gear 503, the second bevel gear 504, the first one-way bearing 505, and the reciprocating screw 506 to rotate, and the reciprocating screw 506 drives the slide plate 508, the slide bar 509, and the fixed plate 510 to slide along the inner wall of the box body 2, thereby adjusting the height of the transparent sign placement box 6, and finally the sign and warning light 4 inside the transparent sign placement box 6 are used to complete the guidance operation for highway construction safety.
[0031] It should be emphasized that the first one-way bearing 505 and the second one-way bearing 804 are a special type of bearings that can only transmit force and motion in one direction. Such bearings are usually used in applications that need to prevent reverse rotation or reverse load transmission.
[0032] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A safety guidance device for highway construction, comprising a cart (1), a box (2) fixedly connected to the top of the cart (1), an inspection door (3) hingedly connected to the first side of the box (2), a warning light (4) fixedly connected to the first end of the box (2), characterized in that: A lifting assembly (5) is arranged at the bottom of the box body (2), and the lifting assembly (5) comprises a self-locking motor (501), the self-locking motor (501) is fixed to the bottom of the second side of the box body (2), an output end of the self-locking motor (501) is fixedly connected to a rotating shaft (502), a first side of the rotating shaft (502) is fixedly connected to a first bevel gear (503), a first side of the first bevel gear (503) is meshed with a second bevel gear (504), a first one-way bearing (505) is passed through and fixedly connected to the center of the second bevel gear (504), and the center of the first one-way bearing (505) is fixedly connected to the rotating shaft (502). A reciprocating screw rod (506) is fixedly connected, the bottom of the reciprocating screw rod (506) is rotatably connected to the top of the cart (1), the top of the outer wall of the reciprocating screw rod (506) is threadedly connected to a slide plate (508), both ends of the top of the slide plate (508) are fixedly connected to slide rods (509), the top of the slide rod (509) passes through the box body (2) and is fixedly connected to a fixed plate (510), the top of the fixed plate (510) is fixedly connected to a transparent sign placement box (6), the top corners of the bottom of the cart (1) are fixedly connected to universal wheels (7), and a driving component (8) is arranged at the center of the bottom of the cart (1).
2. The safety guidance device for highway construction according to claim 1, characterized in that: A baffle (507) is fixedly connected to the bottom of the outer wall of the reciprocating screw rod (506), and the baffle (507) is arranged at the bottom of the slide plate (508). The two ends of the slide plate (508) are slidably connected to the inner wall of the box body (2).
3. The safety guidance device for highway construction according to claim 1, characterized in that: The driving assembly (8) comprises a pair of brackets (801), and the brackets (801) are fixed to the centers of two sides of the bottom of the cart (1).
4. The safety guidance device for highway construction according to claim 3 is characterized in that: A driving shaft (802) is rotatably connected between the brackets (801), and driving wheels (803) are fixedly connected to both sides of the outer wall of the driving shaft (802).
5. The safety guidance device for highway construction according to claim 4, characterized in that: A second pulley (806) is fixedly connected to the center of the outer wall of the rotating shaft (502), and the bottom of the second pulley (806) passes through the trolley (1) and is transmission-connected to the first pulley (805).
6. The safety guidance device for highway construction according to claim 5, characterized in that: A second one-way bearing (804) passes through and is fixedly connected to the center of the first pulley (805), and the center of the second one-way bearing (804) is fixed to the outer wall of the driving shaft (802).
Citation Information
Patent Citations
Safety guiding device for highway construction
CN219908670U