Safety protection device for road, bridge and tunnel building construction

Abstract

The utility model relates to the technical field of construction safety protection, in particular to a safety protection device for road, bridge and tunnel building construction. Comprising a fixed bin, a lifting mechanism arranged in the fixed bin and a protection mechanism arranged on one side of the fixed bin, and a supporting mechanism is further arranged between the other side of the fixed bin and the lifting mechanism; the lifting mechanism comprises a lifting bin slidably connected with the fixed bin, a first bevel gear rotationally connected to the bottom of the inner side of the fixed bin and a threaded rod arranged between the lifting bin and the first bevel gear, one end of the threaded rod is in threaded connection with the lifting bin, and the other end of the threaded rod is fixedly connected with the first bevel gear. Second conical teeth are arranged on the inner side wall of the fixed bin and connected with the first conical teeth in an engaged mode. The lifting mechanism can be suitable for protection of construction sites with different heights, the supporting mechanism can firmly support the device, the installation efficiency of the protection device is improved, impact force is dispersed, and the protection capacity of the device is improved.

Description

Technical Field

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

[0002] During urban road construction, protective devices will be installed at the construction site to prevent passers-by from accidentally entering and causing accidental injuries. For example, the protective device disclosed in patent CN219491921U includes a base, multiple telescopic rod assemblies, and multiple connecting rods connected between the telescopic rod assemblies. The telescopic rod assembly includes a telescopic rod and a ground plug. The telescopic rod includes two support rods and a slide rod between the two support rods. There are slide grooves on both sides of the support rods. The slide grooves are provided inside the slide rods. Multiple joints are rotatably installed on the slide rods. The ground plug is rotatably connected to the chassis. Although the above patent is easy to install, it is necessary to drill holes before using it in the city, and the holes need to be sealed after the construction is completed. The use method is relatively cumbersome. Therefore, there is an urgent need for a road bridge and tunnel construction safety protection device that is easy to install and use. Summary of the Invention

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a road, bridge and tunnel construction safety protection device to solve the problems involved in the background technology.

[0004] In order to solve the above technical problems, the present utility model provides the following technical solutions: a road bridge and tunnel construction safety protection device, comprising a fixed cabin, a lifting mechanism arranged in the fixed cabin, a protection mechanism arranged on one side of the fixed cabin, and a support mechanism provided between the other side of the fixed cabin and the lifting mechanism;

[0005] The lifting mechanism includes a lifting bin slidingly connected to the fixed bin, a first bevel gear rotatably connected to the inner bottom of the fixed bin, a threaded rod arranged between the lifting bin and the first bevel gear, one end of the threaded rod is threadedly connected to the lifting bin, and the other end is fixedly connected to the first bevel gear, the inner side wall of the fixed bin is provided with a second conical tooth, and the second conical tooth is meshed with the first conical tooth.

[0006] Furthermore, the protective mechanism includes a protective shell arranged on one side of the fixed warehouse, a number of rubber rollers arranged on the protective shell, a sliding plate provided at the upper end of the protective shell, the protective shell and the fixed warehouse are connected by a telescopic rod, and the upper end of the sliding plate is connected to the upper end of the lifting warehouse through a sliding rail.

[0007] Furthermore, a plurality of first telescopic springs are provided on a side of the fixed compartment close to the protective shell, and a plurality of second telescopic springs are provided on a side of the lifting compartment close to the sliding plate.

[0008] Furthermore, the rubber roller is rotatably connected to the protective shell via a rotating shaft.

[0009] Furthermore, the support mechanism includes a support plate arranged at the bottom of the fixed bin, a connecting rod fixed on the support plate, an anti-sliding block arranged at the end of the connecting rod, a support tube rotatably connected to the anti-sliding block, an adjusting screw rotatably connected to the top of the lifting bin, and the support tube and the adjusting screw are threadedly connected.

[0010] Furthermore, a fixed sleeve is provided on the support plate, one end of the connecting rod is provided in the fixed sleeve and is connected via a positioning pin; and a rotating disk is provided on the adjusting screw.

[0011] Furthermore, a connector is provided at the central axis of the second bevel gear, and the connector extends to the outside of the fixed compartment.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The lifting mechanism of the utility model can be applied to the protection of construction sites at different heights. The supporting mechanism can firmly support the device, is easy to use and install, avoids drilling operations when fixing the protective device, and improves the installation efficiency of the protective device. The protective mechanism can reduce the damage to the device caused by external impact, disperse the impact force, and improve the protection capability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of Example 1 of the present utility model;

[0015] Figure 2 This is a schematic diagram of the lifting mechanism structure of Example 1 of the utility model;

[0016] Figure 3 This is a schematic diagram of the protective mechanism structure of Example 1 of the utility model;

[0017] Figure 4 This is a schematic diagram of the support structure of Example 1 of the utility model

[0018] Description of the numbers in the figure:

[0019] 1. Fixed bin; 2. Lifting mechanism; 201. Lifting bin; 202. Threaded rod; 203. First bevel gear; 204. Second bevel gear; 205. Connecting head; 3. Protective mechanism; 301. Protective shell; 302. Rotating shaft; 303. Rubber roller; 304. First telescopic spring; 305. Telescopic rod; 306. Sliding plate; 307. Slide rail; 308. Second telescopic spring; 4. Support mechanism; 401. Support plate; 402. Anti-sliding block; 403. Fixed sleeve; 404. Connecting rod; 405. Positioning pin; 406. Support cylinder; 407. Rotating disk; 408. Adjusting screw. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Example

[0021] like Figure 1-4 As shown, a road bridge and tunnel construction safety protection device includes a fixed chamber 1, a lifting mechanism 2 arranged in the fixed chamber 1, a protection mechanism 3 arranged on one side of the fixed chamber 1, and a support mechanism 4 is further provided between the other side of the fixed chamber 1 and the lifting mechanism 2;

[0022] The lifting mechanism 2 includes a lifting bin 201 that is slidably connected to the fixed bin 1, a first bevel gear 203 that is rotatably connected to the inner bottom of the fixed bin 1, and a threaded rod 202 provided between the lifting bin 201 and the first bevel gear 203. One end of the threaded rod 202 is threadedly connected to the lifting bin 201, and the other end is fixedly connected to the first bevel gear 203. A second bevel gear 204 is provided on the inner wall of the fixed bin 1, and the second bevel gear 204 is meshed and connected with the first bevel gear 203. A connector 205 is provided at the central axis of the second bevel gear 204, and the connector 205 extends to the outside of the fixed bin 1. By sliding the lifting bin 201 inside the fixed bin 1, the protective height value of the device is adjusted, thereby increasing the range of use of the device, and when not in use, the lifting bin 201 is stored inside the fixed bin 1 to improve the storage efficiency. The first bevel gear 203 drives the threaded rod 202 to rotate, causing the threaded rod 202 to control the vertical movement of the lifting chamber 201. The threaded rod 202 and the lifting chamber 201 have a self-locking function to prevent the lifting chamber 201 from being displaced when the device is in use. Using a tool to rotate the connector 205, the connector 205 drives the second bevel gear 204 to rotate, thereby driving the first bevel gear 203 to rotate.

[0023] The protective mechanism 3 comprises a protective shell 301 mounted on one side of the fixed chamber 1, and several rubber rollers 303 mounted on the protective shell 301. A sliding plate 306 is mounted on the upper end of the protective shell 301. The protective shell 301 and the fixed chamber 1 are connected by a telescopic rod 305. The upper end of the sliding plate 306 is connected to the upper end of the lifting chamber 201 by a slide rail 307. Several first telescopic springs 304 are mounted on the side of the fixed chamber 1 near the protective shell 301, and several second telescopic springs 308 are mounted on the side of the lifting chamber 201 near the sliding plate 306. The rubber rollers 303 are rotatably connected to the protective shell 301 via a rotating shaft 302. The protective shell 301 provides protection for the fixed chamber 1, reducing damage to the fixed chamber 1 from impacts and enhancing the protective capability of the device. The sliding plate 306 is secured to the lifting chamber 201 via a slide rail 307, allowing the lifting chamber 201 to move the sliding plate 306 synchronously. The sliding plate 306 increases the protective range of the protective shell 301. The second telescopic spring 308 provides a buffer for the sliding plate 306, while the first telescopic spring 304 provides a buffer for the protective shell 301. When the sliding plate 306 is impacted, the first and second telescopic springs 304 and 308 deform to dissipate the impact force, thereby improving the device's resistance to impact. The telescopic rod 305 secures the protective shell 301 in place, preventing it from shifting after an impact, thereby improving the device's protective capabilities. When the device is impacted from the side, the rotating shaft 302 and rubber roller 303 rotate to disperse the impact force, further improving the device's protective capabilities.

[0024] The support mechanism 4 includes a support plate 401 mounted at the bottom of the fixed chamber 1, a connecting rod 404 secured to the support plate 401, and an anti-slip block 402 mounted at the end of the connecting rod 404. A support tube 406 is rotatably connected to the anti-slip block 402, and an adjustment screw 408 is rotatably connected to the top of the lifting chamber 201. The support tube 406 is threadedly engaged with the adjustment screw 408. A fixed sleeve 403 is provided on the support plate 401, and one end of the connecting rod 404 is positioned within the fixed sleeve 403 and connected via a locating pin 405. A rotating disk 407 is mounted on the adjustment screw 408. The support plate 401 and anti-slip block 402 secure the device to the road surface, increasing friction between the fixed chamber 1 and the road, avoiding drilling work when securing the protective device, and improving installation efficiency. The connecting rod 404 is fixed inside the fixing sleeve 403 via the positioning pin 405. The fixing sleeve 403 secures the connecting rod 404, which in turn connects the support plate 401 to the anti-slip block 402, thereby improving the device's grip. The length of the adjusting screw 408 is adjusted by rotating the disk 407. The supporting tube 406 and the adjusting screw 408 provide support for the lifting chamber 201, securing the device and improving its support capacity.

[0025] How it works:

[0026] First, by rotating the connector 205, the connector 205 drives the second bevel gear 204 to rotate, and then drives the first bevel gear 203 to rotate. The first bevel gear 203 drives the threaded rod 202 to rotate, so that the threaded rod 202 controls the lifting chamber 201 to move up and down. At the same time, through the slide rail 307, the lifting chamber 201 drives the sliding plate 306 to rise and fall synchronously. By rotating the disk 407, the adjusting screw 408 is adjusted to the appropriate length value, and the lifting chamber 201 is adjusted to the appropriate height. Then, the connecting rod 404 is inserted into the fixed sleeve 403. The connecting rod 404 is fixed to the fixed sleeve 403 through the positioning pin 405, and the device is fixed to the road surface through the support plate 401 and the anti-sliding block 402. When the device is subjected to a frontal impact, the first telescopic spring 304 and the second telescopic spring 308 are deformed to consume and transmit the impact force. When subjected to a lateral impact, the impact force is dispersed and transferred through the rotation of the rotating shaft 302 and the rubber roller 303. Through the above device, the drilling operation when installing the protective device is avoided, the construction difficulty is reduced, and the installation efficiency of the protective device is improved.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A road, bridge and tunnel construction safety protection device, characterized by: It includes a fixed bin, a lifting mechanism arranged in the fixed bin, a protective mechanism arranged on one side of the fixed bin, and a supporting mechanism is further arranged between the other side of the fixed bin and the lifting mechanism; The lifting mechanism includes a lifting bin slidingly connected to the fixed bin, a first bevel gear rotatably connected to the inner bottom of the fixed bin, a threaded rod provided between the lifting bin and the first bevel gear, one end of the threaded rod is threadedly connected to the lifting bin, and the other end is fixedly connected to the first bevel gear, and a second bevel gear is provided on the inner side wall of the fixed bin, and the second bevel gear is meshed with the first bevel gear.

2. The road, bridge and tunnel construction safety protection device according to claim 1 is characterized by: The protective mechanism includes a protective shell arranged on one side of the fixed warehouse, several rubber rollers arranged on the protective shell, a sliding plate provided at the upper end of the protective shell, the protective shell and the fixed warehouse are connected by a telescopic rod, and the upper end of the sliding plate is connected to the upper end of the lifting warehouse through a slide rail.

3. The road, bridge and tunnel construction safety protection device according to claim 2 is characterized by: A plurality of first telescopic springs are provided on a side of the fixed bin close to the protective shell, and a plurality of second telescopic springs are provided on a side of the lifting bin close to the sliding plate.

4. The road, bridge and tunnel construction safety protection device according to claim 2 is characterized by: The rubber roller is rotatably connected to the protective shell via a rotating shaft.

5. The road, bridge and tunnel construction safety protection device according to claim 1 is characterized by: The support mechanism includes a support plate arranged at the bottom of the fixed bin, a connecting rod fixed to the support plate, an anti-sliding block arranged at the end of the connecting rod, a support tube rotatably connected to the anti-sliding block, an adjusting screw rotatably connected to the top of the lifting bin, and the support tube and the adjusting screw are threadedly sleeved.

6. The road, bridge and tunnel construction safety protection device according to claim 5 is characterized by: A fixing sleeve is provided on the support plate, one end of the connecting rod is arranged in the fixing sleeve and is connected via a positioning pin; a rotating disk is provided on the adjusting screw.

7. The road, bridge and tunnel construction safety protection device according to claim 1 is characterized by: A connecting head is provided at the central axis of the second bevel gear, and the connecting head extends to the outside of the fixed compartment.

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