CN216839112U

CN216839112U - Inserted sheet replacement formula engineering is managed and is used safety warning device

Info

Publication number: CN216839112U
Application number: CN202122134458.4U
Authority: CN
Inventors: 夏剑科; 王叶红
Original assignee: Suzhou Dongda Engineering Consulting Management Co ltd
Current assignee: Suzhou Dongda Engineering Consulting Management Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-06-28
Anticipated expiration: 2031-09-06

Abstract

The utility model relates to the technical field of safety warning devices, in particular to an insert replacement type safety warning device for engineering supervision; the utility model provides an insert replacement type safety warning device for engineering supervision, which is based on the insertion fit of an installation block and a fixed block, and through the rotation of a single driving shaft, and through the transmission of bevel gears and the fit of worm gears, driven shafts on two sides drive screw rods to rotate, so that square rods slide in through grooves, and the clamping rods are driven to move accordingly, thereby realizing the extension or retraction of the through grooves; the clamping rods on the two sides are relatively close to or far away from each other, the fixed block is connected with or separated from the mounting block, the stability is high during connection, and the single insertion piece type replacement and installation of the warning board can be conveniently completed.

Description

Inserted sheet replacement formula engineering is supervised and is used safety warning device

Technical Field

The utility model relates to a safety warning device technical field, concretely relates to formula engineering is changed to inserted sheet and is managed and use safety warning device.

Background

Project supervision generally refers to the implementation and monitoring of construction projects. And in the building engineering work progress, there is the potential safety hazard in the construction site, needs to carry out safety warning to the pedestrian.

The patent number CN201820489641.1 of Chinese utility model discloses a safety warning device for road construction, including the installation piece, one side of installation piece has seted up the mounting groove, slidable mounting has the fixed block in the mounting groove, one side that the fixed block kept away from the installation piece extends outside the mounting groove, and fixed mounting has the warning sign, the top side and the bottom side of fixed block have all seted up the draw-in groove, the top side inner wall and the bottom side inner wall of mounting groove have all seted up the shifting chute, two shifting chutes correspond with two draw-in grooves respectively, slidable mounting has the movable block in the moving chute, the one end that the movable block is close to the fixed block clamps in the draw-in groove, the one end that the movable block kept away from the fixed block welds and has first spring, the one end that the fixed block was kept away from to first spring welds on the one side inner wall that the moving chute is far away from the fixed block;

when the device is unloaded and installed, if the device is operated by a single person, two hands are required to act on the handles at two sides respectively, so that the force is inconvenient to be applied to the installation block and the warning board; and because based on the spring design, if the device appears rocking, the installation piece drops easily.

Therefore, the inventor designs a safety warning device for insert replacement type engineering supervision to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to solve the technical problem that the background art provided, and provide an inserted sheet replacement formula engineering is supervised and is used safety warning device.

(II) technical scheme

An insert replacement type safety warning device for project supervision comprises an installation block, an installation groove, a fixed block and a warning board, wherein the installation groove is arranged at the front side of the installation block, the fixed block is matched in the installation groove, the front end of the fixed block extends out of the installation groove and is fixedly provided with the warning board,

the rear end of the mounting block is symmetrically provided with a first class of support plates in a left-right mode, a driving shaft is rotatably arranged between the first class of support plates, and two ends of the driving shaft penetrate through the corresponding first class of support plates and are provided with a first class of bevel gears; the first type of bevel gear is vertically meshed with a second type of bevel gear, the second type of bevel gear is arranged at the rear end of a transmission shaft, the transmission shaft penetrates through and is rotatably connected with a second type of support plate, and the second type of support plate is connected to the mounting block; the front end of the transmission shaft is provided with a worm;

a through groove is formed in the left side and the right side of the mounting block corresponding to the mounting groove, a square rod is connected in the through groove in a sliding mode, and a clamping rod is connected to one end, close to the mounting groove, of the square rod; clamping grooves are formed in the left side wall and the right side wall of the fixing block and correspond to the clamping rods; the left side wall and the right side wall of the mounting block are also provided with mounting frames, driven shafts are arranged on the mounting frames, one ends of the driven shafts close to the square rods are connected with screw rods, threaded holes are axially formed in the square rods, and the screw rods are in threaded connection with the threaded holes; and a worm wheel is arranged at one end of the driven shaft, which is far away from the square rod, and the worm wheel is meshed with the corresponding worm.

Preferably, the driven shaft extends through and is rotatably connected to the mounting bracket.

Preferably, the cross section of the through groove is a rectangle corresponding to the square rod, and the outer diameter of the clamping rod is smaller than that of the square rod.

Preferably, the helix angle of the worm is less than the angle of friction of the worm wheel in contact with the worm.

Preferably, the side wall of the rotary table is provided with grains.

(III) advantageous effects

The utility model provides an insert replacement type safety warning device for engineering supervision, which is based on the insertion fit of an installation block and a fixed block, and through the rotation of a single driving shaft, and through the transmission of bevel gears and the fit of worm gears, driven shafts on two sides drive screw rods to rotate, so that square rods slide in through grooves, and the clamping rods are driven to move accordingly, thereby realizing the extension or retraction of the through grooves; the kelly of both sides realizes being close to relatively or keeping away from like this, realizes being connected or breaking away from of fixed block and installation piece, and stability is high during the connection, and the installation is changed to the single inserted sheet formula of accomplishing the warning sign of being convenient for.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only for the purpose of the present invention, protecting some embodiments, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a view of the structure of the present invention;

FIG. 2 is an enlarged view of FIG. 1;

FIG. 3 is a block diagram of a square bar;

fig. 4 is a sectional view of a square bar.

In the drawings, the components represented by the respective reference numerals are listed below:

1-mounting block, 2-mounting groove, 3-fixing block, 4-warning board, 5-first-class support plate, 6-driving shaft, 7-rotary table, 8-first-class bevel gear, 9-second-class bevel gear, 10-driving shaft, 11-worm, 12-worm gear, 13-clamping groove, 14-mounting frame, 15-screw, 16-through groove, 17-square rod, 18-clamping rod, 19-threaded hole and 20-driven shaft.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third," if any, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to the attached drawings, the safety warning device for insert replacement type engineering supervision comprises an installation block 1, an installation groove 2, a fixed block 3 and a warning board 4, wherein the installation groove 2 is arranged at the front side of the installation block 1, the fixed block 3 is matched in the installation groove 2, the front end of the fixed block 3 extends out of the installation groove 2 and is fixedly provided with the warning board 4,

the rear end of the mounting block 1 is bilaterally and symmetrically connected with a first-class support plate 5, a driving shaft 6 is rotatably mounted between the first-class support plates 5, and two ends of the driving shaft 6 penetrate through the corresponding first-class support plates 5 and are fixedly connected with a first-class bevel gear 8; the first-class bevel gear 8 is vertically meshed with a second-class bevel gear 9, the second-class bevel gear 9 is fixedly connected to the rear end of a transmission shaft 10, the transmission shaft 10 penetrates through and is rotatably connected with a second-class support plate, and the second-class support plate is connected to the mounting block 1; the front end of the transmission shaft 10 is connected with a worm 11;

a through groove 16 is formed in the mounting block 1 corresponding to the left side and the right side of the mounting groove 2, a square rod 17 is connected in the through groove 16 in a sliding mode, and a clamping rod 18 is connected to one end, close to the mounting groove 2, of the square rod 17; clamping grooves 13 are formed in the left side wall and the right side wall of the fixing block 3, and the clamping grooves 13 correspond to the clamping rods 18; the left side wall and the right side wall of the mounting block 1 are also connected with a mounting frame 14, a driven shaft 20 is arranged on the mounting frame 14, and the driven shaft 20 penetrates through and is rotatably connected with the mounting frame 14; one end of the driven shaft 20 close to the square rod 17 is connected with a screw 15, a threaded hole 19 is axially processed in the square rod 17, and the screw 15 is screwed into the threaded hole 19; one end of the driven shaft 20 far away from the square rod 17 is fixedly connected with a worm wheel 12, and the worm wheel 12 is meshed with the corresponding worm 11.

The working principle of the device is as follows:

the driving shaft 6 is rotated through the turntable 7, and the bevel gears 8 at the two ends of the driving shaft 6 are driven to rotate; the first-class bevel gear 8 drives the second-class bevel gear 9 to drive the transmission shaft 10 to rotate, the worm 11 at the bottom end of the transmission shaft 10 rotates immediately, and drives the worm wheel 12 to drive the driven shaft 20 to rotate; the driven shaft 20 rotates the screw 15, and the square rod 17 slides in the through groove 17 based on the thread effect, so that the clamping rod 13 is driven to move along with the through groove 17, and the stretching out or the retracting in of the through groove 17 is realized;

due to the adoption of a symmetrical design, the clamping rods 13 on the two sides are relatively close to or far away from each other; thus, a user inserts the fixing block 3 into the mounting groove 2 with one hand to align the clamping groove 13 with the clamping rod 13; the rotary table 7 is rotated by the other hand, the fixing block 3 and the mounting block 1 are fixedly connected together with the clamping rod 13 extending out of the through groove 17 and being inserted into the clamping groove 13, and the connection stability is high; conversely, the clamping rod 13 can be separated from the clamping groove 13 by reversely rotating the rotary table 7, and the fixed block 3 is loosened; thus, the insertion piece type replacement and installation of the warning board 4 can be completed by a single person.

Referring to the drawings, the through groove 16 has a rectangular cross section corresponding to the square bar 17, and guides the movement of the square bar 17; the outer diameter of the clamping rod 18 is smaller than that of the square rod 17, so that the clamping rod 18 can move in the through groove 17 conveniently.

Example 2

On the basis of the embodiment 1, the unfolding spiral angle of the worm 11 is smaller than the contact friction angle between the worm wheel 12 and the worm 11, so that the worm wheel and the worm realize self-locking and the stability of fixation is improved;

in addition, the side wall of the rotary table 7 is provided with grains, so that friction is enhanced, and force application is facilitated.

In the description herein, references to the description of the terms "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A safety warning device for insert replacement type engineering supervision comprises an installation block (1), an installation groove (2), a fixed block (3) and a warning board (4), wherein the installation groove (2) is arranged at the front side of the installation block (1), the fixed block (3) is matched in the installation groove (2), the front end of the fixed block (3) extends out of the installation groove (2) and is fixedly provided with the warning board (4), and the safety warning device is characterized in that,

the rear end of the mounting block (1) is symmetrically provided with a first-class support plate (5) at the left and right, a driving shaft (6) is rotatably arranged between the first-class support plates (5), and two ends of the driving shaft (6) penetrate through the corresponding first-class support plates (5) and are provided with a first-class bevel gear (8); the first-class bevel gear (8) is vertically meshed with a second-class bevel gear (9), the second-class bevel gear (9) is arranged at the rear end of a transmission shaft (10), the transmission shaft (10) penetrates through and is rotatably connected with a second-class support plate, and the second-class support plate is connected to the mounting block (1); a worm (11) is arranged at the front end of the transmission shaft (10);

a through groove (16) is further formed in the mounting block (1) corresponding to the left side and the right side of the mounting groove (2), a square rod (17) is connected in the through groove (16) in a sliding mode, and a clamping rod (18) is connected to one end, close to the mounting groove (2), of the square rod (17); clamping grooves (13) are formed in the left side wall and the right side wall of the fixing block (3), and the clamping grooves (13) correspond to the clamping rods (18); the left side wall and the right side wall of the mounting block (1) are also provided with mounting frames (14), driven shafts (20) are arranged on the mounting frames (14), one ends, close to the square rods (17), of the driven shafts (20) are connected with screw rods (15), threaded holes (19) are axially formed in the square rods (17), and the screw rods (15) are screwed into the threaded holes (19); one end of the driven shaft (20) far away from the square rod (17) is provided with a worm wheel (12), and the worm wheel (12) is meshed with the corresponding worm (11).

2. A safety warning device for blade replacement project supervision according to claim 1, wherein the driven shaft (20) extends through and is rotatably connected to the mounting frame (14).

3. An insert replacement type safety warning device for project supervision according to claim 1, wherein the cross section of the through groove (16) is rectangular corresponding to the square rod (17), and the outer diameter of the clamping rod (18) is smaller than that of the square rod (17).

4. A safety warning device for insert replacement type project supervision according to claim 1, wherein a deployment helix angle of the worm (11) is smaller than a friction angle of the worm wheel (12) contacting the worm (11).