CN219690357U

CN219690357U - But height-adjusting's construction warning frame

Info

Publication number: CN219690357U
Application number: CN202320830630.6U
Authority: CN
Inventors: 冷智强; 尤敏; 尤飞; 尤猛; 曹凯迪
Original assignee: Anhui Bolang Construction Engineering Co ltd
Current assignee: Anhui Bolang Construction Engineering Co ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-09-15
Anticipated expiration: 2033-04-14

Abstract

The utility model relates to the technical field of warning frames, and discloses a construction warning frame with adjustable height, which comprises: the supporting seat, the bilateral symmetry fixedly connected with U type backup pad at supporting seat top, and logical groove has been seted up to the inside of U type backup pad. When the warning board fixed above the movable plate is lifted, the two second bevel gears symmetrically arranged on the surface of the rotary rod are meshed with the first bevel gears to rotate by only rotating the hand wheel at one end of the rotary rod, so that the threaded rod is rotated, and at the moment, the movable plate which is arranged between the two threaded rods in a threaded manner moves up and down, so that a person can adjust the height of the warning board according to actual needs, the situation that the threads are damaged due to the fact that the two first hand wheels are respectively rotated and are not synchronously rotated is avoided, and the practicability of the warning frame is further improved.

Description

But height-adjusting's construction warning frame

Technical Field

The utility model relates to the technical field of warning frames, in particular to a construction warning frame with adjustable height.

Background

In construction of buildings, gardens, municipal or highway engineering construction, it is often necessary to place warning frames to achieve a warning effect.

The Chinese patent document with the publication number of CN213896858U provides a warning frame for road construction, which comprises a base on the left side and the right side, wherein a mounting plate is arranged on the upper end face of the base, a first supporting plate and a second supporting plate are arranged between the mounting plates on the left side and the right side, and the upper end faces of the first supporting plate and the second supporting plate are connected with brackets through connecting plates; when the height of the warning board needs to be lowered or raised, a person needs to rotate the two first hand wheels respectively, so that the first hand wheels drive the warning board to move up and down to realize the height adjustment of the warning board;

but above-mentioned scheme is when rotating two first hand wheels respectively and highly adjusting the warning sign, and need two first hand wheels to rotate in step, and the dynamics of twisting is little basically different, just can go up and down the warning sign, carries out the lift of warning sign through this mode, probably has two first hand wheels not gone on in step when twisting to lead to the fact first backup pad and second backup pad crooked, the screw thread groove and the first threaded rod tooth damage of slider inside serious even appear, cause unable lift. Therefore, the utility model designs the construction warning frame with adjustable height to solve the problems in the prior art.

Disclosure of Invention

The utility model aims to provide a construction warning frame with adjustable height so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a height-adjustable construction warning rack, comprising: the support seat is symmetrically and fixedly connected with a U-shaped support plate on two sides of the top of the support seat, through grooves are formed in the U-shaped support plate, movable plates are movably installed between the two U-shaped support plates through the through grooves, and lifting assemblies are arranged between two ends of each movable plate and the top of the support seat;

the surface symmetry slidable mounting of fly leaf has the fixed bolster, the bottom fixed mounting of fly leaf has U type mount, the middle part of U type mount rotates the top fixedly connected with circular connecting plate of installing pivot and pivot, the surface symmetry of circular connecting plate articulates installs the movable rod, and the one end of movable rod articulates installs adjacent the bottom of fixed bolster, be provided with locking subassembly between the bottom of pivot and the bottom of U type mount.

Preferably, the two ends of the movable plate are symmetrically and fixedly connected with sliding blocks, sliding grooves are symmetrically formed in the two sides of the inside of the U-shaped supporting plate, and the two ends of the movable plate are slidably arranged in the sliding grooves in the inside of the U-shaped supporting plate through the sliding blocks.

Preferably, the lifting assembly includes: connecting block and supporting shoe, the connecting block is equipped with four, two the connecting block is established to a set of, two sets of symmetrical fixed connection is on the surface of U type backup pad one side respectively, two rotate between the connecting block and install the threaded rod, and the surface of threaded rod and the one end threaded connection of fly leaf, the bottom fixedly connected with first bevel gear of threaded rod, the supporting shoe is equipped with two, two supporting shoe symmetrical fixed mounting is at the top of supporting seat, two movable run-through has the dwang between the supporting shoe, the surface symmetry fixedly connected with second bevel gear of dwang, and the surface of second bevel gear with adjacent the surface engagement of first bevel gear.

Preferably, four balls are mounted in the support block at equal intervals along the circumference, and the surfaces of the balls are attached to the surface of the rotating rod.

Preferably, a bearing is arranged on the surface of the rotating shaft, an inner ring of the bearing is fixedly connected with the surface of the rotating shaft, and an outer ring of the bearing is fixedly connected with the inside of the U-shaped fixing frame.

Preferably, the locking assembly includes: the worm wheel is fixedly arranged at the bottom of the rotating shaft, the two positioning blocks are symmetrically and fixedly connected to one side of the bottom of the U-shaped fixing frame, a worm is rotatably arranged between the two positioning blocks, and the surface of the worm is meshed with the surface of the worm wheel.

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

1. according to the utility model, through the arrangement of the movable plate, the rotating rod, the threaded rod and other parts, when the warning board fixed above the movable plate is lifted, only the hand wheel at one end of the rotating rod is required to be rotated, so that the two second bevel gears symmetrical to the surface of the rotating rod are meshed with the first bevel gears to rotate, the threaded rod is rotated, and at the moment, the movable plate which is arranged between the two threaded rods in a threaded manner moves up and down, so that a person can adjust the height of the warning board according to actual needs, the situation that the screw teeth are damaged due to the fact that the two first hand wheels are respectively rotated and are not synchronously rotated is avoided, and the practicability of the warning frame is further improved;

2. according to the utility model, through the arrangement of the fixing support, the rotating shaft, the locking component and other components, the worm is meshed with the worm wheel to rotate by rotating the worm, so that the two symmetrical movable rods on the surface of the circular connecting plate at the top of the rotating shaft simultaneously pull or push the two symmetrical fixing supports to move relatively or reversely, thereby realizing the clamping or loosening of the warning boards with various different width sizes between the two fixing supports, and further improving the practicability of the construction warning frame.

Drawings

FIG. 1 is a schematic view in front cross-section of the present utility model;

FIG. 2 is a schematic top cross-sectional view of a partial structure of the worm gear, locating block and worm of the present utility model;

fig. 3 is a schematic left view of a partial structure of the U-shaped support plate and the through groove of the utility model.

In the figure: 1. a support base; 2. a U-shaped supporting plate; 201. a through groove; 3. a movable plate; 4. a lifting assembly; 401. a connecting block; 402. a threaded rod; 403. a first bevel gear; 404. a support block; 405. a rotating lever; 406. a second bevel gear; 5. a fixed bracket; 6. a U-shaped fixing frame; 7. a rotating shaft; 8. a circular connecting plate; 9. a movable rod; 10. a locking assembly; 1001. a worm wheel; 1002. a positioning block; 1003. a worm.

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. 1-3, an embodiment of the present utility model is provided: a height-adjustable construction warning rack, comprising: the support seat 1, the two sides of the top of the support seat 1 are symmetrically and fixedly connected with U-shaped support plates 2, through grooves 201 are formed in the U-shaped support plates 2, movable plates 3 are movably installed between the two U-shaped support plates 2 through the through grooves 201, and lifting assemblies 4 are arranged between two ends of each movable plate 3 and the top of the support seat 1; through the arrangement of the lifting component 4, only one hand wheel is required to be rotated, so that the height of the warning board which is clamped and fixed can be adjusted actually, and pedestrians or vehicles coming and going can find the warning board in time;

the fixed support 5 is symmetrically and slidably arranged on the surface of the movable plate 3, the U-shaped fixing frame 6 is fixedly arranged at the bottom of the movable plate 3, the rotating shaft 7 is rotatably arranged in the middle of the U-shaped fixing frame 6, the round connecting plate 8 is fixedly connected with the top of the rotating shaft 7, the movable rod 9 is symmetrically and hingedly arranged on the surface of the round connecting plate 8, one end of the movable rod 9 is hingedly arranged at the bottom of the adjacent fixed support 5, and the locking assembly 10 is arranged between the bottom of the rotating shaft 7 and the bottom of the U-shaped fixing frame 6. Through the setting of locking subassembly 10, be convenient for fix the warning sign centre gripping of multiple different width sizes between two fixed bolster 5.

Referring to fig. 1, in this embodiment: both ends of the movable plate 3 are symmetrically and fixedly connected with sliding blocks, sliding grooves are symmetrically formed in both sides of the inside of the U-shaped supporting plate 2, and both ends of the movable plate 3 are slidably installed in the sliding grooves in the inside of the U-shaped supporting plate 2 through the sliding blocks. When the threaded rod 402 rotates to enable the movable plate 3 to lift, the two ends of the movable plate 3 are slidably installed in the sliding grooves in the U-shaped supporting plate 2, so that the movement of the movable plate 3 is guided, and the movement stability of the movable plate 3 is further improved.

Referring to fig. 1, in this embodiment: the lifting assembly 4 includes: connecting block 401 and supporting shoe 404, connecting block 401 is equipped with four, two connecting blocks 401 are established into a set of, two sets of connecting blocks 401 symmetry fixed connection respectively is in the surface of U type backup pad 2 one side, rotate between two connecting blocks 401 and install threaded rod 402, and threaded rod 402's surface and the one end threaded connection of fly leaf 3, threaded rod 402's bottom fixedly connected with first bevel gear 403, supporting shoe 404 is equipped with two, two supporting shoe 404 symmetry fixed mounting is at supporting seat 1's top, movable run-through has dwang 405 between two supporting shoes 404, dwang 405's one end fixed mounting has the hand wheel, be convenient for rotate dwang 405 through the hand wheel, dwang 405's surface symmetry fixedly connected with second bevel gear 406, and the surface of second bevel gear 406 and the surface engagement of adjacent first bevel gear 403. When the height of the warning board above the movable plate 3 needs to be adjusted, the hand wheel is rotated, so that the two second bevel gears 406 symmetrical to the surface of the rotating rod 405 are meshed with the first bevel gear 403 to rotate, at the moment, the first bevel gear 403 drives the threaded rod 402 to rotate, the movable plate 3 which is in threaded installation between the two threaded rods 402 moves up and down under the rotation of the threaded rod 402, and people can conveniently adjust the height of the warning board according to actual needs, so that pedestrians or vehicles coming and going can timely find the warning board.

Referring to fig. 1, in this embodiment: four balls are mounted in the support block 404 at equal intervals along the circumference, and the surfaces of the balls are attached to the surface of the rotating rod 405. Through the setting of ball, make the sliding connection between supporting shoe 404 and the dwang 405 change into rolling connection, reduce the frictional force between the two, improve the pivoted stability of dwang 405.

Referring to fig. 1, in this embodiment: the surface of the rotating shaft 7 is provided with a bearing, the inner ring of the bearing is fixedly connected with the surface of the rotating shaft 7, and the outer ring of the bearing is fixedly connected with the inside of the U-shaped fixing frame 6. By the arrangement of the bearings, the rotating stability of the rotating shaft 7 is improved.

Referring to fig. 1-2, in this embodiment: the locking assembly 10 includes: the worm gear 1001 and the locating piece 1002, worm gear 1001 fixed mounting is in the bottom of pivot 7, and the locating piece 1002 is equipped with two, and two locating pieces 1002 symmetry fixed connection are in one side of U type mount 6 bottom, rotate between two locating pieces 1002 and install worm 1003, and the surface of worm 1003 meshes with the surface of worm gear 1001. Through rotating worm 1003, make worm 1003 drive pivot 7 bottom fixed connection's worm wheel 1001 meshing rotation, two symmetrical articulated movable rods 9 simultaneously pulling or pushing two symmetrical fixed bolster 5 simultaneously relative or opposite movement on the surface of pivot 7 top fixed mounting's circular connecting plate 8 this moment realize carrying out centre gripping or unclamping to the warning sign between two fixed bolsters 5, can carry out fixed mounting to the warning sign of multiple different width sizes through this mode, further improve construction warning frame's practicality.

Working principle: when the height of the warning board on the construction warning frame is adjusted according to actual requirements, firstly, by rotating a hand wheel, two second bevel gears 406 symmetrical to the surface of a rotating rod 405 are meshed with a first bevel gear 403 to rotate, at the moment, the first bevel gear 403 drives a threaded rod 402 to rotate, and under the rotation of the threaded rod 402, a movable plate 3 arranged between the two threaded rods 402 moves up and down in a threaded manner, so that the height adjustment of the warning board is realized; when the warning board is mounted in a replacement mode, firstly, the worm 1003 is reversely rotated, the surface of the worm 1003 is meshed with the worm wheel 1001 at the bottom of the rotating shaft 7, the rotating shaft 7 reversely rotates with the circular connecting plate 8 fixedly mounted at the top, at the moment, the two symmetrical fixing supports 5 are pushed to be far away from each other by the movable rods 9 symmetrically hinged to the top of the circular connecting plate 8, then the warning board can be taken down from the space between the two fixing supports 5, and conversely, the worm 1003 is rotated in the forward direction, so that the rotating shaft 7 drives the movable rods 9 symmetrically hinged to the top of the circular connecting plate 8 to pull the two symmetrical fixing supports 5 to be close to each other, and the warning board between the two fixing supports 5 is clamped and fixed. What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A height-adjustable construction warning rack, comprising: supporting seat (1), its characterized in that: the two sides of the top of the supporting seat (1) are symmetrically and fixedly connected with U-shaped supporting plates (2), through grooves (201) are formed in the U-shaped supporting plates (2), movable plates (3) are movably arranged between the two U-shaped supporting plates (2) through the through grooves (201), and lifting assemblies (4) are arranged between two ends of each movable plate (3) and the top of the supporting seat (1);

the surface symmetry slidable mounting of fly leaf (3) has fixed bolster (5), the bottom fixed mounting of fly leaf (3) has U type mount (6), the middle part of U type mount (6) rotates and installs pivot (7) and the top fixedly connected with circular connecting plate (8) of pivot (7), the surface symmetry of circular connecting plate (8) articulates installs movable rod (9), and the one end of movable rod (9) articulates installs in adjacent the bottom of fixed bolster (5), be provided with locking subassembly (10) between the bottom of pivot (7) and the bottom of U type mount (6).

2. The height-adjustable construction warning frame according to claim 1, wherein: the two ends of the movable plate (3) are symmetrically and fixedly connected with sliding blocks, sliding grooves are symmetrically formed in two sides of the inside of the U-shaped supporting plate (2), and the two ends of the movable plate (3) are slidably arranged in the sliding grooves in the inside of the U-shaped supporting plate (2) through the sliding blocks.

3. The height-adjustable construction warning frame according to claim 1, wherein: the lifting assembly (4) comprises: connecting block (401) and supporting shoe (404), connecting block (401) are equipped with four, two connecting block (401) are established to a set of, two sets of connecting block (401) symmetry fixed connection respectively is on the surface of U type backup pad (2) one side, two rotate between connecting block (401) and install threaded rod (402), and the surface of threaded rod (402) and the one end threaded connection of fly leaf (3), the bottom fixedly connected with first bevel gear (403) of threaded rod (402), supporting shoe (404) are equipped with two, two supporting shoe (404) symmetry fixed mounting is at the top of supporting seat (1), two movable run through between supporting shoe (404) has dwang (405), the surface symmetry fixedly connected with second bevel gear (406) of dwang (405), and the surface of second bevel gear (406) and adjacent the surface engagement of first bevel gear (403).

4. A height-adjustable construction warning frame according to claim 3, characterized in that: four balls are mounted in the supporting block (404) at equal intervals along the circumference, and the surfaces of the balls are attached to the surface of the rotating rod (405).

5. The height-adjustable construction warning frame according to claim 1, wherein: the surface of the rotating shaft (7) is provided with a bearing, the inner ring of the bearing is fixedly connected with the surface of the rotating shaft (7), and the outer ring of the bearing is fixedly connected with the inside of the U-shaped fixing frame (6).

6. The height-adjustable construction warning frame according to claim 1, wherein: the locking assembly (10) comprises: worm wheel (1001) and locating piece (1002), worm wheel (1001) fixed mounting is in the bottom of pivot (7), locating piece (1002) are equipped with two, two locating piece (1002) symmetry fixed connection is in one side of U type mount (6) bottom, two rotate between locating piece (1002) and install worm (1003), and the surface of worm (1003) meshes with the surface of worm wheel (1001).