CN221031877U

CN221031877U - Protective device

Info

Publication number: CN221031877U
Application number: CN202322643903.9U
Authority: CN
Inventors: 邹红丽
Original assignee: Shandong Lintong Highway Engineering Co ltd
Current assignee: Shandong Lintong Highway Engineering Co ltd
Priority date: 2023-09-27
Filing date: 2023-09-27
Publication date: 2024-05-28
Anticipated expiration: 2033-09-27

Abstract

The utility model relates to the technical field of bridge construction protection, and discloses a protection device, which comprises a base, a support column and a fixing column, wherein the inner wall of the fixing column is provided with a height adjusting component, a rocker is manually rotated to drive a third gear to rotate in the inner wall of the fixing column, gear teeth of the third gear are meshed with gear teeth of a fourth gear, the third gear is rotated while driving the fourth gear to rotate at the top of the base, a threaded rod which is fixedly welded at the top of the fourth gear is driven to rotate, a connecting rod which is in threaded connection with the inner wall of the fixing column is utilized to drive the connecting rod to lift in the inner wall of the fixing column during rotation of the threaded rod, a limit rod which is in sliding connection with the top of the connecting rod is driven to move under force, and the inner wall of the protection rod which is fixedly welded with the inner wall of the fixing column is in sliding connection with the outer wall of the limit rod, so that the limit rod can lift in the inner wall of the protection rod, and the purpose of protecting height adjustment of the device is achieved.

Description

Protective device

Technical Field

The utility model relates to the technical field of bridge construction protection, in particular to a protection device.

Background

In the bridge construction process, construction enterprises inevitably encounter safety protection problems in construction, and in order to strengthen safety measures, guard rails are often used on construction sites to defend the periphery of building construction.

The existing protection device can refer to the Chinese patent with the issued bulletin number of CN213836313U, and discloses a protection device for bridge construction, which is composed of a plurality of protection components, wherein the protection components comprise upright posts, connecting rods, support plates, connecting plates, support rods and bases; the number of the connecting rods is four, four corners of the upright post are rotatably installed through four rotating shafts, the other ends of the connecting rods are fixedly connected with the support plates, and the two support plates positioned on the same side are connected through the connecting plates. According to the utility model, the grooves are formed in the upper end and the lower end of the upright post, so that the rotating shaft and the connecting rod are convenient to rotate and install, the support plates are convenient to invert and fold, the connecting plate and the upper support plate and the lower support plate are connected through the bolts, the overall stability can be improved, the support plates of two adjacent protection assemblies are connected through the connecting strips and the screws, the installation can be completed, the overall structure is simple, the disassembly and the assembly are convenient, the folding storage is realized, the volume is reduced, the transportation is convenient, and the convenience is brought to practical construction. "

When the device is used, the grooves are formed in the upper end and the lower end of the upright post, the rotating shaft and the connecting rod are convenient to rotate and mount, so that the support plate is convenient to reverse and fold, the device is inconvenient to adjust the height of the device in the using process, the practicability of the device is reduced, the device is inconvenient to move, the device is inconvenient to carry, and the flexibility of the device is reduced.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a protection device, which has the advantages of being convenient for adjusting the protection height of the device and improving the practicability of the device, has the advantages of being convenient for adjusting the position of the device and improving the flexibility of the device, and solves the problems in the prior art.

The utility model provides the following technical scheme: the utility model provides a protector, includes base, support column and fixed column, the inner wall of fixed column is provided with altitude mixture control subassembly, altitude mixture control subassembly includes the rocker, the one end of rocker runs through the outer wall of fixed column and rotates with the inner wall of fixed column to reduce the friction loss between the fixed column when making the rocker rotate, the one end of rocker is provided with the third gear of being connected with the inner wall rotation of fixed column, drives the third gear and rotates in the inner wall of fixed column when making the rocker rotate, the teeth of a cogwheel meshing of third gear has the fourth gear of being connected with the top rotation of base, drives the fourth gear and rotates at the top of base when making the third gear rotate, and the top of fourth gear is provided with the threaded rod, drives the threaded rod and rotates when making the fourth gear rotate, the outer edge of threaded rod is provided with the connecting rod with the inner wall sliding connection of fixed column, drives the connecting rod and goes up and down in the inner wall of fixed column when making the threaded rod rotate, the top of connecting rod is provided with the gag lever post, drives the gag lever post and goes up and down when making the connecting rod go up and down.

As a preferable technical scheme of the utility model, the inner wall of the fixed column is provided with the protection rod, and the inner wall of the protection rod is in sliding connection with the limit rod, so that the protection height can be adjusted.

As a preferable technical scheme of the utility model, the bottom of the base is provided with the moving assembly, the moving assembly comprises a rotating rod, the outer wall of the rotating rod is provided with a first transmission gear, so that the first transmission gear is driven to rotate when the rotating rod rotates, gear teeth of the first transmission gear are meshed with a second transmission gear, so that the second transmission gear is driven to rotate when the first transmission gear rotates, the inner wall of the second transmission gear is provided with a transmission rod, so that the second transmission gear rotates and simultaneously drives the transmission rod to rotate, two ends of the transmission rod are provided with first gears, so that the transmission rod rotates to drive the first gears to rotate, and gear teeth of the first gears are meshed with a second gear connected with the bottom of the base, so that the second gear is driven to rotate at the bottom of the base when the first gears rotate to transmit power.

As a preferable technical scheme of the utility model, the bottom of the second gear is provided with the screw rod so as to drive the screw rod to rotate while the second gear rotates, the outer edge of the screw rod is provided with the lifting rod so as to drive the lifting rod to lift when the screw rod rotates, the bottom of the lifting rod is provided with the lifting plate which is in sliding connection with the inner wall of the support column so as to drive the lifting plate to slide in the inner wall of the support column when the lifting rod lifts, and the bottom of the lifting plate is provided with the universal wheel so as to drive the universal wheel to lift when the lifting plate slides.

As a preferable technical scheme of the utility model, a chute is arranged at the connection position of the inner wall of the support column and the lifting plate, so that the friction resistance between the lifting plate and the support column is reduced when the lifting plate slides.

As a preferable technical scheme of the utility model, the bottom of the base is provided with a fixed plate, the inner wall of which is rotationally connected with the rotating rod and the outer wall of the transmission rod, so that the fixed plate can fix and limit the rotating rod and the transmission rod.

Compared with the prior art, the utility model has the following beneficial effects:

1. This protector, through manual rotation rocker, drive the third gear and rotate in the inner wall of fixed column, utilize the teeth of a cogwheel and the teeth of a cogwheel intermeshing of fourth gear, make the third gear pivoted drive the fourth gear and rotate at the top of base, and make the threaded rod that drives fourth gear top welded fastening rotate, the connecting rod with the inner wall sliding connection of fixed column of reuse threaded rod outer edge threaded connection, drive the connecting rod and go up and down in the inner wall of fixed column when making the threaded rod rotate, and make the gag lever post atress of drive connecting rod top sliding connection remove, the inner wall of guard bar and the outer wall sliding connection of gag lever post through fixed column inner wall welded fastening, make the gag lever post can go up and down in the inner wall of guard bar, realize the purpose to the high regulation of protection of device.

2. This protector, through manual rotation bull stick rotation in the inner wall of fixed plate, drive first drive gear rotation, utilize the teeth of a cogwheel and the teeth of a cogwheel intermeshing of second drive gear of first drive gear, drive the rotation of second drive gear when making first drive gear rotate, and make the transfer line that drives second drive gear inner wall welded fastening rotate in the inner wall of fixed plate, and then drive transfer line both ends welded fastening's first gear rotation, the teeth of a cogwheel and the teeth of a cogwheel meshing of second gear of reuse, drive the bottom rotation of second gear at the base when making first gear rotate, and make the lead screw that drives second gear bottom welded fastening rotate, and then make the lifter that drives the lead screw outer edge threaded connection go up and down, through lifter bottom welded fastening's lifter with the inner wall sliding connection of support column, make the lifter atress go up and down, and make the universal wheel that drives lifter bottom through bolt fixed connection and ground contact, the device slides of being convenient for, the flexibility of device is improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic diagram of a mobile structure according to the present utility model;

FIG. 4 is a schematic view of the structure of FIG. 2A according to the present utility model;

fig. 5 is a schematic diagram of the structure of fig. 2B according to the present utility model.

In the figure: 1. a base; 2. a support column; 3. a moving assembly; 301. a rotating rod; 302. a first transmission gear; 303. a second transmission gear; 304. a transmission rod; 305. a first gear; 306. a second gear; 307. a screw rod; 308. a lifting rod; 309. a lifting plate; 310. a universal wheel; 4. fixing the column; 5. a height adjustment assembly; 501. a rocker; 502. a third gear; 503. a fourth gear; 504. a threaded rod; 505. a connecting rod; 6. a protective rod; 7. a limit rod; 8. and a fixing plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a protection device specifically includes a base 1, a support column 2, a moving assembly 3 and a height adjusting assembly 5, wherein a rocker 501 is manually rotated to drive a third gear 502 to rotate in an inner wall of a fixed column 4, and the teeth of the third gear 502 are engaged with the teeth of a fourth gear 503, so that the third gear 502 rotates and simultaneously drives the fourth gear 503 to rotate at the top of the base 1, and drives a threaded rod 504 fixedly welded at the top of the fourth gear 503 to rotate, and then a connecting rod 505 is connected with the inner wall of the fixed column 4 in a sliding manner along the outer edge of the threaded rod 504, so that the threaded rod 504 drives the connecting rod 505 to lift in the inner wall of the fixed column 4 when rotating, and drives a limit rod 7 in sliding connection with the top of the connecting rod 505 to move under force, and the inner wall of the protection rod 6 fixedly welded in the inner wall of the fixed column 4 is in sliding connection with the outer wall of the limit rod 7, so that the limit rod 7 can lift in the inner wall of the protection rod 6, thereby achieving the purpose of adjusting the protection height of the device.

Further, when the rocker 501 drives the third gear 502 to rotate, the fourth gear 503 is driven to rotate, and through the mutual engagement of the gear teeth of the third gear 502 and the gear teeth of the fourth gear 503, the power transmission between the third gear 502 and the fourth gear 503 is realized, the friction loss between the third gear 502 and the fourth gear 503 is reduced, and the service life of the device is prolonged.

And when the threaded rod 504 drives the connecting rod 505 to slide in the inner wall of the fixed column 4, the inner wall of the fixed column 4 is utilized to be of a hollow structure, so that the fixed column 4 can limit the connecting rod 505, and the connecting rod 505 is prevented from rotating along with the threaded rod 504.

When the position of the device needs to be adjusted, the manually rotating rod 301 rotates in the inner wall of the fixed plate 8 to drive the first transmission gear 302 to rotate, the gear teeth of the first transmission gear 302 are meshed with the gear teeth of the second transmission gear 303, the second transmission gear 303 is driven to rotate when the first transmission gear 302 rotates, the transmission rod 304 which drives the inner wall of the second transmission gear 303 to be welded and fixed rotates in the inner wall of the fixed plate 8, the first gears 305 which drive the two ends of the transmission rod 304 to be welded and fixed rotate, the gear teeth of the first gears 305 are meshed with the gear teeth of the second gears 306, the first gears 305 rotate to drive the second gears 306 to rotate at the bottom of the base 1, the screw rod 307 which drives the bottom of the second gears 306 to rotate is further driven to lift the lifting rod 308 which drives the outer edge of the screw rod 307 to be connected in a threaded manner, the lifting plate 309 which is welded and fixed at the bottom of the lifting rod 308 is connected with the inner wall of the support column 2 in a sliding manner is driven to lift, the bottom of the lifting plate 309 is driven to contact the universal wheels 310 which are fixed and the ground through bolts, and personnel push the device to move to the corresponding position by manual adjustment.

Further, when the device is moved into position, the castor 310 is lifted out of contact with the ground by the above operation, maintaining the stability of the device in use.

Utilize the fixed plate 8 that the inner wall of base 1 bottom welded fastening and the outer wall rotation of bull stick 301 and transfer line 304 are connected for fixed plate 8 can fix spacing bull stick 301 and transfer line 304, prevents that bull stick 301 and transfer line 304 from droing in the in-process of using.

When the device is used, the manual rotation rotating rod 301 rotates in the inner wall of the fixed plate 8 to drive the first transmission gear 302 to rotate, the gear teeth of the first transmission gear 302 are meshed with the gear teeth of the second transmission gear 303, so that the first transmission gear 302 drives the second transmission gear 303 to rotate when rotating, the transmission rod 304 which drives the inner wall of the second transmission gear 303 to be welded and fixed rotates in the inner wall of the fixed plate 8, the first gears 305 which drive the two ends of the transmission rod 304 to be welded and fixed rotate, the gear teeth of the first gears 305 are meshed with the gear teeth of the second gears 306, the first gears 305 drive the second gears 306 to rotate at the bottom of the base 1, the screw rod 307 which drives the bottom of the second gears 306 to be welded and fixed rotates, the lifting rod 308 which drives the outer edge of the screw rod 307 to be in threaded connection is lifted, the lifting plate 309 which is welded and fixed at the bottom of the lifting rod 308 and is slidably connected with the inner wall of the supporting column 2 is used for lifting the lifting plate 309 under force, the universal wheel 310 which is fixedly connected with the bottom of the lifting plate 309 through a bolt is driven to contact the ground, a person manually pushes the device to adjust the position, the device is moved to a corresponding position, after the device is moved to a proper position, the universal wheel 310 is lifted out of contact with the ground through the operation, the stability of the device in use is maintained, the rocker 501 is manually rotated, the third gear 502 is driven to rotate in the inner wall of the fixed column 4, the gear teeth of the third gear 502 and the gear teeth of the fourth gear 503 are meshed with each other, the third gear 502 is driven to rotate at the top of the base 1 while the fourth gear 503 is driven to rotate, the threaded rod 504 which is driven to weld and fix the top of the fourth gear 503 is driven to rotate, the connecting rod 505 which is in threaded connection with the inner wall of the fixed column 4 is utilized to ensure that the connecting rod 505 is driven to lift in the inner wall of the fixed column 4 when the threaded rod 504 rotates, and the limit rod 7 which is in sliding connection with the top of the connecting rod 505 is driven to move under force, and the inner wall of the protective rod 6 welded and fixed with the inner wall of the fixed column 4 is connected with the outer wall of the limit rod 7 in a sliding manner, so that the limit rod 7 can lift in the inner wall of the protective rod 6, and the device is adjusted to a proper height.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a protector, includes base (1), support column (2) and fixed column (4), its characterized in that: the inner wall of the fixed column (4) is provided with a height adjusting component (5), the height adjusting component (5) comprises a rocker (501), one end of the rocker (501) penetrates through the outer wall of the fixed column (4) and is rotationally connected with the inner wall of the fixed column (4), so that friction loss between the rocker (501) and the fixed column (4) is reduced when the rocker (501) rotates, one end of the rocker (501) is provided with a third gear (502) rotationally connected with the inner wall of the fixed column (4), so that the rocker (501) drives the third gear (502) to rotate in the inner wall of the fixed column (4), gear teeth of the third gear (502) are meshed with a fourth gear (503) rotationally connected with the top of the base (1), so that the top of the third gear (502) is rotationally driven to rotate at the top of the base (1), the top of the fourth gear (503) is provided with a threaded rod (504), the outer edge of the rocker (504) is provided with a third gear (502) rotationally connected with the inner wall of the fixed column (4), the threaded rod (505) is rotationally driven by the threaded rod (505), the connecting rod (505) is rotationally connected with the top of the fixed column (4) in a sliding mode, so that the connecting rod (505) drives the limiting rod (7) to lift when lifting.

2. A protective device according to claim 1, wherein: the inner wall of fixed column (4) is provided with protection pole (6), and the inner wall of protection pole (6) and the carry out sliding connection of gag lever post (7) to can realize the regulation to the protection height.

3. A protective device according to claim 1, wherein: the bottom of base (1) is provided with movable assembly (3), movable assembly (3) include bull stick (301), the outer wall of bull stick (301) is provided with first drive gear (302) to drive first drive gear (302) rotation when making bull stick (301) rotate, the teeth of a cogwheel meshing of first drive gear (302) have second drive gear (303) to drive second drive gear (303) rotation when making first drive gear (302) rotate, and the inner wall of second drive gear (303) is provided with transfer line (304), drives transfer line (304) rotation when making second drive gear (303) rotate, the both ends of transfer line (304) are provided with first gear (305) to make transfer line (304) rotate and drive first gear (305) rotation, the teeth of a cogwheel meshing of first gear (305) have second gear (306) of being connected with the bottom rotation of base (1) to drive second gear (306) and rotate in the bottom of base (1) when making first gear (305) rotate and carry out power transmission.

4. A protective device according to claim 3, wherein: the bottom of second gear (306) is provided with lead screw (307) to drive lead screw (307) rotation in order to make second gear (306) pivoted, and the outer edge of lead screw (307) is provided with lifter (308) to drive lifter (308) when making lead screw (307) pivoted and go up and down, lifter (308) bottom is provided with lifter plate (309) with inner wall sliding connection of support column (2), so that lifter (308) is gone up and down to drive lifter plate (309) and slide in the inner wall of support column (2), lifter plate (309)'s bottom is provided with universal wheel (310), so that lifter plate (309) is gone up and down with driving universal wheel (310) when sliding.

5. A protective device according to claim 4, wherein: a sliding groove is formed in the position, connected with the lifting plate (309), of the inner wall of the supporting column (2) so that friction resistance between the lifting plate (309) and the supporting column (2) is reduced when the lifting plate slides.

6. A protective device according to claim 3, wherein: the bottom of the base (1) is provided with a fixed plate (8) with the inner wall rotationally connected with the rotating rod (301) and the outer wall of the transmission rod (304), so that the fixed plate (8) can fix and limit the rotating rod (301) and the transmission rod (304).