Protective device for building engineering construction
By designing protective and locking components, and combining them with casters, lead screws, and worm gear drives, the problems of inconvenient disassembly and assembly and large size of the protective device are solved, enabling convenient movement and stable fixation, thus improving the safety and efficiency of the construction site.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2026-04-03
AI Technical Summary
Existing construction safety devices are inconvenient to assemble and disassemble, and are bulky and difficult to transport.
The device employs a combination of protective and locking components, including casters, lead screws, and worm gear transmission mechanisms, enabling convenient movement and fixation of the protective device. Hollow aluminum alloy material and sound-absorbing cotton reflective stickers enhance safety and visibility. An alarm light and charging port ensure reliable operation of the device in complex environments.
It enables convenient disassembly, assembly, and transportation of protective devices, improves the safety and stability of construction sites, reduces construction preparation time and labor costs, and adapts to the high-frequency protection needs of multiple areas.
Smart Images

Figure CN224078849U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of building engineering technology, and in particular relates to a protective device for building construction. Background Technology
[0002] Construction refers to the production activities during the implementation phase of an engineering project. It is the process of building various types of structures, or the process of turning the lines on design drawings into physical objects at designated locations. It includes foundation construction, main structure construction, roofing construction, and decoration construction. The site where construction work takes place is called a "construction site" or "building site." Although China's construction safety management has made significant progress in recent years, further strengthening and breakthroughs in construction safety are urgently needed.
[0003] Existing protective devices used in engineering construction are inconvenient to assemble and disassemble, and their large size makes them difficult to transport. Therefore, we provide a protective device for building construction to solve these problems. Utility Model Content
[0004] The purpose of this utility model is to provide a protective device for construction engineering, which solves the problem of large size and inconvenience of transportation of existing protective devices by combining protective components and locking components.
[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution.
[0006] This utility model relates to a protective device for construction engineering, comprising a protective component. A locking component is fixedly connected to the inner cavity of the protective component. The protective component includes vertical rods, with protective plates fixedly connected between two vertical rods. The protective plates are movably connected by hinges, and the two protective plates are limited and fixed between each other by the locking component. A base is fixedly connected to the bottom of each vertical rod, and a mounting plate is provided in the inner cavity of the base. Universal wheels are fixedly connected to the four corners of the bottom of the mounting plate. A lead screw is threadedly connected to the axis of the mounting plate. The top of the lead screw... A bevel gear one is fixedly connected to the inner cavity of the vertical rod, and a bevel gear two meshes with the surface of the bevel gear one. A drive shaft is fixedly connected to the surface of the bevel gear two, and the other end of the drive shaft extends to the outside of the vertical rod. The locking assembly includes a mounting groove and a pin hole formed in the inner cavity of the protective plate. A lead screw two is fixedly connected to the inner cavity of the mounting groove through a bearing. A pin tube is threaded to the other end of the lead screw two. A worm gear is fixedly connected to the surface of the lead screw two, and a worm meshes with the surface of the worm gear. The top of the worm extends to the top of the protective plate.
[0007] The present invention is further configured such that mounting blocks are fixedly connected to the four corners of the bottom of the base, and the inner cavity of the mounting block is fixedly connected to the ground by steel rods. The mounting blocks are fixed to the ground by steel rods, which enhances the anti-overturning ability of the protective device and is especially suitable for construction environments with strong winds or uneven ground, thus avoiding safety hazards caused by device displacement.
[0008] The present invention is further configured such that an alarm light is fixedly connected to the top of the vertical rod, a storage battery is fixedly connected to the top of the inner cavity of the vertical rod, and a charging port is fixedly connected to the back of the vertical rod. The alarm light and the storage battery are combined to provide a nighttime warning function. The charging port supports an external power supply to ensure that the device can work continuously in the absence of mains power, thereby improving the safety of the construction area.
[0009] The present invention is further configured such that through holes for universal wheels are provided at the four corners of the bottom of the base, and the lead screw and the drive shaft are fixedly connected to the inner wall of the vertical rod through bearings. The through holes are adapted to the universal wheels, and the lead screw and the drive shaft are fixed by bearings to ensure smooth adjustment without jamming. The bearing support reduces mechanical wear and extends the service life of the equipment.
[0010] The present invention is further configured such that a handwheel is fixedly connected to one end of the transmission shaft outside the vertical rod and the top of the worm gear. The surface of the handwheel is covered with a rubber sleeve, which increases friction and prevents slippage during operation. This is especially suitable for construction workers wearing gloves, improving the comfort of human-machine interaction and the convenience of operation.
[0011] The present invention is further configured such that the mounting groove, pin hole and pin tube are all rectangular in design, the top of the protective plate is provided with a through hole for mounting the worm gear, and the bottom of the worm gear is fixedly connected to the inner wall of the through hole through a bearing. The rectangular design of the mounting groove, pin hole and pin tube ensures uniform force during locking. The worm gear is fixed to the through hole through the bearing, which ensures smooth rotation and accurate positioning, and avoids locking failure caused by structural gaps.
[0012] The present invention is further configured such that the vertical rod is made of hollow aluminum alloy, the surface of the protective plate is bonded with sound insulation cotton by adhesive, and the surface of the sound insulation cotton is covered with reflective stickers. The hollow aluminum alloy vertical rod reduces the weight of the device, the sound insulation cotton effectively absorbs 50-80dB of construction noise, and the reflective stickers improve nighttime visibility and enhance the safety protection function.
[0013] The present invention is further configured such that a threaded hole is provided at the top axis of the mounting plate, and the lead screw is threadedly connected to the inner cavity of the threaded hole. The threaded hole and the lead screw cooperate to form a stable helical transmission structure, ensuring that the mounting plate moves horizontally during lifting and adjustment, and avoiding damage to the universal wheel due to force on one side.
[0014] The present invention has the following beneficial effects.
[0015] 1. This utility model achieves convenient movement and fixation of the protective device through universal wheels and a lead screw adjustment mechanism. Universal wheels are set at the four corners of the mounting plate inside the base. Rotating the handwheel on the outside of the vertical rod can drive the bevel gear set to rotate the lead screw, so that the mounting plate can be raised or lowered to adjust the universal wheels off the ground or in contact with the ground, easily switching between "moving" and "fixed" states, solving the problem of difficult handling of traditional protective devices. The locking component adopts worm gear transmission. Rotating the handwheel on the top of the protective plate can drive the lead screw to insert or pull the pin into or out of the pin hole, realizing the folding and unfolding locking of this device, significantly reducing construction preparation time and labor costs, and adapting to the protection needs of multiple areas and high frequency at construction sites.
[0016] 2. The vertical pole of this utility model is made of hollow aluminum alloy, which is lightweight and high-strength. The bottom mounting block is fixed to the ground with steel rods, and the universal wheels are hidden in the through holes of the base with the help of a screw rod, forming a stable support structure. The surface of the protective plate is glued with sound insulation cotton and reflective stickers, which can reduce the transmission of construction noise and reflect light at night to warn personnel, thus improving the safety protection effect. The alarm light and battery design provide a night warning function. The charging port supports external power supply or solar panel charging, ensuring that the device can operate continuously and reliably in complex environments, meeting the multiple requirements of construction projects for the stability, durability and safety of protective devices. Attached Figure Description
[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below.
[0018] Figure 1 This is a three-dimensional diagram of a protective device used in construction engineering.
[0019] Figure 2 This is a cross-sectional schematic diagram of a protective device used in building construction.
[0020] Figure 3 This is a schematic diagram of the connection structure between the worm gear and the worm in a protective device used in building construction.
[0021] Figure 4 In a type of protective device for construction engineering Figure 2 Enlarged diagram of point A in the middle.
[0022] Figure 5 In a type of protective device for construction engineering Figure 2 Enlarged diagram of point B in the middle.
[0023] In the attached diagram: 1. Protective assembly; 11. Vertical rod; 12. Protective plate; 13. Base; 14. Mounting plate; 15. Caster wheel; 16. Lead screw one; 17. Bevel gear one; 18. Bevel gear two; 19. Drive shaft; 110. Mounting block; 2. Locking assembly; 21. Mounting groove; 22. Pin hole; 23. Lead screw two; 24. Pin tube; 25. Worm gear; 26. Worm; 3. Alarm light; 4. Battery. Detailed Implementation
[0024] The technical solutions of the present utility model will be described below with reference to the accompanying drawings. The described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0025] Example 1
[0026] Please see Figure 1-5 This utility model is a protective device for construction engineering, including a protective component 1. A locking component 2 is fixedly connected to the inner cavity of the protective component 1. The protective component 1 includes vertical rods 11, and a protective plate 12 is fixedly connected between two vertical rods 11. The protective plates 12 are movably connected by hinges, and the two protective plates 12 are limited and fixed by the locking component 2. A base 13 is fixedly connected to the bottom of the vertical rods 11. An installation plate 14 is provided in the inner cavity of the base 13. Universal wheels 15 are fixedly connected to the four corners of the bottom of the installation plate 14. A lead screw 16 is threadedly connected to the axis of the installation plate 14, and the top of the lead screw 16 passes through... A bevel gear 17 is fixedly connected to the inner cavity of the vertical rod 11. A bevel gear 18 meshes with the surface of the bevel gear 17. A drive shaft 19 is fixedly connected to the surface of the bevel gear 18. The other end of the drive shaft 19 extends through to the outside of the vertical rod 11. The locking assembly 2 includes a mounting groove 21 and a pin hole 22 opened in the inner cavity of the protective plate 12. A lead screw 23 is fixedly connected to the inner cavity of the mounting groove 21 through a bearing. A pin tube 24 is threaded to the other end of the lead screw 23. A worm gear 25 is fixedly connected to the surface of the lead screw 23. A worm 26 meshes with the surface of the worm gear 25. The top of the worm 26 extends through to the top of the protective plate 12.
[0027] Specifically: the base 13 is welded from Q235B steel plate, the mounting plate 14 is engaged with the lead screw 16 through the central M20 threaded hole, the four corner casters 15 are hidden in the through holes of the base 13, the protective plate 12 is a steel plate structure, the adjacent protective plates 12 are fixed by the locking assembly 2, the lead screw 23 in the mounting groove 21 is supported by a deep groove ball bearing, the worm gear 25 meshes with the worm 26 for transmission, the end of the pin tube 24 is rounded, and when inserted into the pin hole 22, it forms a guiding fit to ensure a tight lock without shaking.
[0028] Example 2
[0029] Please see Figure 1-5Based on Embodiment 1, mounting blocks 110 are fixedly connected to the four corners of the bottom of the base 13. The inner cavity of the mounting block 110 is fixedly connected to the ground by steel rods. An alarm light 3 is fixedly connected to the top of the vertical rod 11. A battery 4 is fixedly connected to the top of the inner cavity of the vertical rod 11. A charging port is fixedly connected to the back of the vertical rod 11. Through holes for universal wheels 15 are opened at the four corners of the bottom of the base 13. The lead screw 16 and the drive shaft 19 are fixedly connected to the inner wall of the vertical rod 11 by bearings. One end of the drive shaft 19 located outside the vertical rod 11 and... A handwheel is fixedly connected to the top of each worm gear 26. The surface of the handwheel is covered with a rubber sleeve. The mounting groove 21, pin hole 22 and pin tube 24 are all rectangular. The top of the protective plate 12 has a through hole for mounting the worm gear 26. The bottom of the worm gear 26 is fixedly connected to the inner wall of the through hole through a bearing. The vertical rod 11 is made of hollow aluminum alloy. The surface of the protective plate 12 is covered with sound insulation cotton by adhesive. The surface of the sound insulation cotton is covered with reflective stickers. A threaded hole is opened at the top axis of the mounting plate 14. The lead screw 16 is threadedly connected to the inner cavity of the threaded hole.
[0030] Specifically: Mounting block 110 is fixed to the ground with steel stakes, enhancing the anti-overturning capability of the protective device, especially suitable for construction environments with strong winds or uneven ground, preventing device displacement and potential safety hazards. Alarm light 3, combined with battery 4, provides a nighttime warning function. The charging port supports external power, ensuring continuous operation of the device in situations without mains power, improving the safety of the construction area. The through-hole is compatible with caster wheel 15. Screw 16 and drive shaft 19 are fixed with bearings, ensuring smooth and uninterrupted adjustment. Bearing support reduces mechanical wear and extends equipment lifespan. Rubber sleeves on the handwheel surface increase friction and prevent slippage during operation, especially... Suitable for construction workers wearing gloves, this device enhances human-machine interaction comfort and ease of operation. The rectangular mounting slot 21, pin hole 22, and pin tube 24 ensure even force distribution during locking. The worm gear 26 is fixed to the through hole via a bearing, ensuring smooth rotation and precise positioning, preventing locking failure due to structural gaps. The hollow aluminum alloy vertical rod 11 reduces the weight of the device, while sound insulation cotton effectively absorbs 50-80dB of construction noise. Reflective stickers improve nighttime visibility and enhance safety protection. The threaded hole and lead screw 16 cooperate to form a stable helical transmission structure, ensuring horizontal movement of the mounting plate 14 during lifting and adjustment, preventing damage to the caster wheel 15 due to unilateral force.
[0031] The working principle of this utility model is as follows: By rotating the handwheel at the top of the protective plate 12, the worm gear 26 drives the worm wheel 25 to rotate, which in turn drives the lead screw 23 to rotate. The pin tube 24 moves axially along the rectangular mounting groove 21. When the pin tube 24 is inserted into the pin hole 22 of the adjacent protective plate 12, a rigid connection is achieved. When the pin tube 24 is removed from the pin hole 22, the protective plate 12 can rotate around the hinge, which is convenient for unfolding or folding for storage. By rotating the handwheel outside the vertical rod 11, the transmission shaft 19 drives the bevel gear 2 18 to mesh with the bevel gear 17, causing the lead screw 16 to rotate. The mounting plate 14 rises and falls with the lead screw 16. When it falls, the universal wheel 15 extends out from the through hole of the base 13, and the device enters the moving state. When it rises, the universal wheel 15 is fully retracted into the base 13, and the mounting block 110 is fixed to the ground by the steel rod, and the device enters the stable state. The battery 4 powers the alarm light 3, which flashes automatically at night. The sound insulation cotton absorbs construction noise, and the reflective sticker reflects light, improving the safety protection performance of the device in complex environments.
[0032] The preferred embodiments of the present utility model disclosed above are only used to help illustrate the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific implementation methods described. The present specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present utility model, so that those skilled in the art can better understand and utilize the present utility model.
Claims
1. A protective device for construction engineering, comprising a protective component (1), characterized in that: The inner cavity of the protective component (1) is fixedly connected to a locking component (2); The protective assembly (1) includes a vertical rod (11), and a protective plate (12) is fixedly connected between the two vertical rods (11). The protective plates (12) are movably connected by a hinge, and the two protective plates (12) are limited and fixed by a locking assembly (2). A base (13) is fixedly connected to the bottom of the vertical rod (11). An installation plate (14) is provided in the inner cavity of the base (13). Universal wheels (15) are fixedly connected to the four corners of the bottom of the installation plate (14). A lead screw (16) is threadedly connected to the axis of the installation plate (14). A bevel gear (17) is fixedly connected to the top of the lead screw (16) through the inner cavity of the vertical rod (11). A bevel gear (18) meshes with the surface of the bevel gear (17). A drive shaft (19) is fixedly connected to the surface of the bevel gear (18). The other end of the drive shaft (19) extends through the outside of the vertical rod (11). The locking assembly (2) includes a mounting groove (21) and a pin hole (22) formed in the inner cavity of the protective plate (12). The inner cavity of the mounting groove (21) is fixedly connected to a lead screw (23) via a bearing. The other end of the lead screw (23) is threadedly connected to a pin tube (24). A worm gear (25) is fixedly connected to the surface of the lead screw (23). A worm (26) is engaged on the surface of the worm gear (25). The top of the worm (26) extends through to the top of the protective plate (12).
2. The protective device for construction engineering according to claim 1, characterized in that: The base (13) has four fixed corners at the bottom with mounting blocks (110), and the inner cavity of the mounting blocks (110) is fixedly connected to the ground by steel rods.
3. The protective device for construction engineering according to claim 1, characterized in that: An alarm light (3) is fixedly connected to the top of the vertical rod (11), a storage battery (4) is fixedly connected to the top of the inner cavity of the vertical rod (11), and a charging port is fixedly connected to the back of the vertical rod (11).
4. A protective device for construction engineering according to claim 1, characterized in that: The four corners of the bottom of the base (13) are provided with through holes for the universal wheels (15), and the lead screw (16) and the drive shaft (19) are fixedly connected to the inner wall of the vertical rod (11) through bearings.
5. A protective device for construction engineering according to claim 1, characterized in that: Handwheels are fixedly connected to one end of the drive shaft (19) outside the vertical rod (11) and the top of the worm gear (26), and the surface of the handwheels is covered with rubber sleeves.
6. A protective device for construction engineering according to claim 1, characterized in that: The mounting groove (21), pin hole (22) and pin tube (24) are all rectangular. The top of the protective plate (12) is provided with a through hole for mounting the worm (26). The bottom of the worm (26) is fixedly connected to the inner wall of the through hole through a bearing.
7. A protective device for construction engineering according to claim 1, characterized in that: The vertical rod (11) is made of hollow aluminum alloy. The surface of the protective plate (12) is covered with sound insulation cotton by adhesive, and the surface of the sound insulation cotton is covered with reflective stickers.
8. A protective device for construction engineering according to claim 1, characterized in that: The mounting plate (14) has a threaded hole at the top axis, and the lead screw (16) is threadedly connected to the inner cavity of the threaded hole.