CN215369141U

CN215369141U - Novel municipal works safety protection device

Info

Publication number: CN215369141U
Application number: CN202121858054.3U
Authority: CN
Inventors: 许平友
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2021-12-31
Anticipated expiration: 2031-08-10

Abstract

The utility model relates to the field of engineering safety protection, and discloses a novel municipal engineering safety protection device which comprises a base, stand columns and a protection plate, wherein the base is provided with a through hole, the bottom ends of the stand columns are connected with the through hole in a sliding manner, the protection plate is detachably connected between two adjacent stand columns, the side walls of the stand columns are fixedly connected with a hollow square tube, the periphery of the protection plate is fixedly connected with a connecting plate in a rectangular array manner, the hollow square tube and the connecting plate are arranged along the horizontal direction, a lower end connecting plate penetrates through the interior of the hollow square tube, an upper end connecting plate penetrates through the hollow square tube, a rack is arranged on the upper surface, far away from the hollow square tube, of the upper end connecting plate, a gear is connected in the stand columns in a rotating manner, the gear is meshed with the rack, a ratchet wheel is fixedly connected with the gear, the ratchet wheel and the gear coaxially rotate, a stopping mechanism is arranged above the ratchet wheel, and the stopping mechanism is matched with the ratchet wheel in a clamping manner. This scheme utilization stopping mechanism realizes quick assembly disassembly between guard plate and stand, has reduced the manpower resources waste, and stability is strong.

Description

Novel municipal works safety protection device

Technical Field

The utility model relates to the field of engineering safety protection, in particular to a novel municipal engineering safety protection device.

Background

Newly-built, rebuild, municipal works job site such as extension, in order to keep apart pedestrian and job site apart, protector often need be done, protector often adopts to enclose the fender, and encloses and adopt bolt fixed connection between fender and the stand, is unfavorable for the dismouting, and the dismouting in-process brings a large amount of manpower resources extravagant often.

The patent with publication number CN213683516U discloses a safety device for building site, including two stands, be provided with the rail guard between the relative one side of two stands, the mounting groove has been seted up to the inside of stand, it is connected with the lead screw to rotate between the mounting groove both sides, rotate the lead screw through the manual work, form the joint to the rail guard, still need consume a large amount of manpower resources, and in the use because the rail guard rocks and causes the lead screw to rotate very easily, make the joint insecure, cause the use still to have inconvenient phenomenon.

In view of the above circumstances, it is urgent to design a novel municipal process safety device that can quick assembly disassembly and stability is strong.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel municipal engineering safety protection device to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following scheme:

the utility model provides a novel municipal engineering safety protection device, which comprises:

the base is provided with a through hole in the vertical direction;

the bottom end of the upright column is connected with the through hole in a sliding mode, a hollow square tube is fixedly connected to the side wall of the upright column and arranged in the horizontal direction, a gear is connected in the upright column in a rotating mode and fixedly connected with a ratchet wheel, the ratchet wheel and the gear rotate coaxially, a backstop mechanism is arranged in the upright column, and the backstop mechanism is matched with the ratchet wheel in a clamping mode;

and the protection plate can be dismantled and connect adjacent two between the stand, be the rectangular array fixedly connected with connecting plate around the protection plate, the lower extreme the connecting plate is worn to establish cavity side intraduct, upper end the connecting plate runs through cavity side pipe, upper end the connecting plate is kept away from the upper surface that cavity side managed is provided with the rack, the rack with gear engagement.

Preferably, stopping mechanism includes first movable rod, compression spring and first pawl, first movable rod runs through the roof of stand, first movable rod with the roof sliding connection of stand, first movable rod circumference is provided with compression spring, first movable rod lower extreme can be dismantled and be connected with first pawl, compression spring's one end with the roof internal surface butt of stand, compression spring's the other end with the up end butt of first pawl, the bottom surface of first pawl includes integrated into one piece's the face of stopping to support and glide plane, the ratchet includes the first teeth of a cogwheel and the second teeth of a cogwheel of adjacent setting, stop to support the face with first teeth of a cogwheel joint, glide plane with the tooth top sliding connection of the second teeth of a cogwheel.

Preferably, the middle part fixedly connected with stopper of first movable rod, the stopper is followed the radial direction of first movable rod sets up, the roof upper surface of stand is provided with spacing recess, spacing recess and stopper looks adaptation.

Preferably, the height of the first gear teeth is smaller than the depth of the limiting groove.

Preferably, the limiting blocks and the limiting grooves are cuboids.

Preferably, the upper end of the first movable rod is fixedly connected with a first top cover.

Preferably, the stopping mechanism includes second pawl, extension spring and second movable rod, the middle part of second pawl with the lateral wall of stand rotates to be connected, the one end of second pawl with the ratchet joint cooperation, the other end fixedly connected with extension spring's of second pawl one end, extension spring's the other end with the roof fixed connection of stand, the other end fixedly connected with second movable rod's of second pawl lower extreme, the upper end of second movable rod runs through the roof of stand, the second movable rod with the roof sliding connection of stand.

Preferably, the upper end of the second movable rod is fixedly connected with a second top cover.

The utility model discloses the following technical effects: the safety protection structure of this scheme utilizes stopping mechanism can realize quick assembly disassembly between guard plate and stand, has reduced manpower resources waste, has promoted protector's availability factor, and when stopping mechanism acted on the ratchet, can realize that the guard plate removed along single direction for the guard plate can't withdraw from the stand, has strengthened the stability of device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is a schematic structural view of a plurality of novel municipal engineering safety devices assembled according to a first embodiment;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a left side view of a first embodiment of the novel municipal engineering safety device;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 5 is an enlarged view of a portion of FIG. 4 at C;

FIG. 6 is a front partial cross-sectional view of a first embodiment of the novel municipal engineering safety device;

FIG. 7 is an enlarged view of a portion of FIG. 6 at D;

FIG. 8 is a left side view of a second embodiment of the novel municipal engineering safety device;

FIG. 9 is a cross-sectional view taken along line E-E of FIG. 8;

fig. 10 is a partial enlarged view of fig. 9 at F.

Reference numerals: 1. a base; 2. a column; 3. a protection plate; 4. a through hole; 5. a hollow square tube; 6. a connecting plate; 7. a gear; 8. a ratchet wheel; 9. a first pawl; 10. a compression spring; 11. a first movable bar; 12. a limiting block; 13. a limiting groove; 14. a first top cover; 15. a second pawl; 16. an extension spring; 17. a second movable bar; 18. a second top cover; 81. a first gear tooth; 82. a second gear tooth; 91. a resisting surface; 92. a sliding surface.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Example one

Referring to fig. 1 to 3, the utility model provides a novel municipal engineering safety protection device, which comprises a base 1, a stand column 2 and a protection plate 3. Base 1 is quadrangular frustum pyramid shape, and base 1's last cross-section is less than lower cross-section, has stability, and base 1 is provided with two through-holes 4, and through-hole 4 sets up along the vertical direction, through-hole 4 and 2 looks adaptations of stand, through inserting stand 2 in through-hole 4, can realize stand 2 stably, is provided with two through-holes 4 and can realizes a base 1 of two stands 2 shares, has further improved base 1's availability factor. Preferably, the cross-sections of the through-hole 4 and the upright 2 are regular polygons, specifically squares, which can realize that the protector can be turned during installation, for example, 90 degrees. The protection plate 3 is detachably connected between two adjacent upright posts 2, and light-reflecting substances such as light-reflecting strips and the like can be fixed on the protection plate 3 to play a role in warning at night; can post traffic guidance information on the guard plate 3, make things convenient for pedestrian's vehicle in time to change the stroke route, this kind of function belongs to prior art, and this here is no longer repeated.

Referring to fig. 4 to 8, fixedly connected with cavity side pipe 5 on the lateral wall of stand 2, cavity side pipe 5 sets up along the horizontal direction, and 2 internal rotations of stand are connected with gear 7, and gear 7 fixedly connected with ratchet 8, and ratchet 8 and gear 7 coaxial rotation are provided with the stopping mechanism in the stand 2, and the stopping mechanism cooperates with 8 joint of ratchet. Be rectangle array fixedly connected with connecting plate 6 around guard plate 3, inside cavity side pipe 5 was worn to establish by lower extreme connecting plate 6, upper end connecting plate 6 ran through cavity side pipe 5, and the upper surface that cavity side pipe 5 was kept away from to upper end connecting plate 6 is provided with the rack, rack and gear 7 meshing.

The stopping mechanism is arranged above the ratchet wheel 8, and when the stopping mechanism is clamped and matched with the ratchet wheel 8, the connecting plate 6 can only move along a single direction, in the scheme, when the stopping mechanism is clamped and matched with the ratchet wheel 8, the process that the connecting plate 6 is inserted into the upright post 2 can be realized, at the moment, the connecting plate 6 cannot withdraw from the upright post 2, the quick installation can be realized, and the stability of the device is improved; when the retaining mechanism is not clamped or reversely clamped with the ratchet wheel 8, the connecting plate 6 can be quickly withdrawn from the upright post 2; quick assembly disassembly can be realized to novel municipal works safety device base 1 of this scheme, stand 2 and guard plate 3 homoenergetic, has improved protector's availability factor.

In a further preferred version, with reference to fig. 5, the anti-backup mechanism comprises a first movable lever 11, a compression spring 10 and a first pawl 9. First movable rod 11 and stand 2's roof sliding connection, first movable rod 11 runs through stand 2's roof, 11 circumference of first movable rod are provided with

compression spring

10, 11 lower extremes of first movable rod can be dismantled and be connected with first pawl 9, can understand that 11 lower extremes of first movable rod are provided with the external screw thread, first pawl 9 upper end is provided with the internal thread, the lower extreme and the 9 threaded connection of first pawl of first movable rod 11, this kind of design primary function is for making things convenient for stopping the structural installation. Compression spring 10's one end and the up end butt of pawl, compression spring 10's the other end and the roof internal surface butt of stand 2, first pawl 9 is laminated with ratchet 8 under the effect of gravity, increases compression spring 10 and is favorable to pawl and 8 joint cooperation processes laminating inseparabler. The bottom surface of the first pawl 9 comprises an integrally formed abutting surface 91 and a sliding surface 92, the ratchet 8 comprises a first gear 81 and a second gear 82 which are arranged adjacently, the abutting surface 91 is clamped with the first gear 81, the abutting surface 91 is used for preventing the ratchet 8 from rotating reversely, the sliding surface 92 is connected with the tooth top of the second gear 82 in a sliding mode, and the sliding surface 92 is a section with a certain gradient. When the ratchet wheel 8 rotates, the first pawl 9 can move up and down under the driving of the sliding surface 92, and the abutting surface 91 is matched with the sliding surface 92 to realize that the ratchet wheel 8 rotates along a single direction; when needing guard plate 3 and stand 2 to dismantle, through continuously upwards pulling up first movable rod 11 or rotating 180 degrees with first movable rod 11, can remove spacing restriction, can realize that connecting plate 6 withdraws from stand 2 fast this moment, it is two adjacent teeth of a cogwheel on ratchet 8 that first teeth of a cogwheel 81 and second teeth of a cogwheel 82 are the simple signal to need to explain, not specifically refer to.

Further optimize the scheme, refer to fig. 2 and 5, the middle part fixedly connected with stopper 12 of first movable rod 11, stopper 12 sets up along the radial direction of first movable rod 11, and the roof upper surface of stand 2 is provided with spacing recess 13, stopper 12 and spacing recess 13 looks adaptation. The limiting block 12 is matched with the limiting groove 13, so that on one hand, the first pawl 9 can be prevented from rotating circumferentially, the first pawl 9 is limited circumferentially, and the backstop effect is further improved; on the other hand when needs guard plate 3 and stand 2 to dismantle, exert the effort and pull up first movable rod 11 short time to with first movable rod 11 rotatory 180 degrees after, stop to exert the effort and can realize that first pawl 9 is reverse spacing, can realize that connecting plate 6 withdraws from stand 2.

Further optimize the scheme, the height of first teeth of a cogwheel 81 is less than the degree of depth of spacing

recess

13, and 8 rotatory in-process drive first movable rod 11 and reciprocate, and this design can prevent that first movable rod 11 from deviating from in spacing recess 13, prevents that first pawl 9 axis is rotatory, further improves spacing effect.

Further optimize the scheme, refer to fig. 5, stopper 12 and spacing recess 13 are the cuboid.

In a further preferred embodiment, referring to fig. 1 to 8, in order to facilitate the operation of the first movable rod 11, a first top cover 14 is fixedly connected to the upper end of the first movable rod 11.

Example two:

referring to fig. 8 to 10, the present embodiment is different from the first embodiment in the retaining mechanism.

The retreat stopping mechanism of the present embodiment includes a second pawl 15, an extension spring 16, and a second movable lever 17. The middle part of the second pawl 15 is rotatably connected with the side wall of the upright post 2, one end of the second pawl 15 is in clamping fit with the ratchet wheel 8, the other end of the second pawl 15 is fixedly connected with one end of an extension spring 16, and the other end of the extension spring 16 is fixedly connected with the top plate of the upright post 2. The second pawl 15 is tightly attached to the ratchet wheel 8 by the lever principle. The other end of the second pawl 15 is fixedly connected with the lower end of a second movable rod 17, the upper end of the second movable rod 17 penetrates through the top plate of the upright post 2, and the second movable rod 17 is connected with the top plate of the upright post 2 in a sliding manner.

In order to further optimize the scheme, in order to operate the second movable rod 17, a second top cover 18 is fixedly connected to the upper end of the second movable rod 17.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. The utility model provides a novel municipal works safety device which characterized in that: the method comprises the following steps:

the device comprises a base (1), wherein the base (1) is provided with a through hole (4) in the vertical direction;

the bottom end of the upright column (2) is slidably connected with the through hole (4), a hollow square tube (5) is fixedly connected to the side wall of the upright column (2), the hollow square tube (5) is arranged along the horizontal direction, a gear (7) is rotatably connected to the upright column (2), a ratchet (8) is fixedly connected to the gear (7), the ratchet (8) and the gear (7) rotate coaxially, a stopping mechanism is arranged in the upright column (2), and the stopping mechanism is in clamping fit with the ratchet (8);

and protection plate (3), connection can be dismantled in protection plate (3) adjacent two between stand (2), be rectangle array fixedly connected with connecting plate (6) around protection plate (3), the lower extreme connecting plate (6) are worn to establish inside cavity side pipe (5), the upper end connecting plate (6) run through cavity side pipe (5), the upper end connecting plate (6) are kept away from the upper surface of cavity side pipe (5) is provided with the rack, the rack with gear (7) meshing.

2. The novel municipal engineering safety device of claim 1, wherein: the backstop mechanism comprises a first movable rod (11), a compression spring (10) and a first pawl (9), the first movable rod (11) penetrates through a top plate of the stand column (2), the first movable rod (11) is in sliding connection with the top plate of the stand column (2), the compression spring (10) is arranged on the first movable rod (11) in the circumferential direction, the first pawl (9) is detachably connected to the lower end of the first movable rod (11), one end of the compression spring (10) is abutted to the inner surface of the top plate of the stand column (2), the other end of the compression spring (10) is abutted to the upper end face of the first pawl (9), the bottom face of the first pawl (9) comprises an integrally formed abutting face (91) and a sliding face (92), the ratchet wheel (8) comprises a first gear tooth (81) and a second gear tooth (82) which are adjacently arranged, and the abutting face (91) is clamped with the first gear tooth (81), the sliding surface (92) is connected with the tooth crest of the second gear tooth (82) in a sliding mode.

3. The novel municipal engineering safety device of claim 2, wherein: the middle part fixedly connected with stopper (12) of first movable rod (11), stopper (12) are followed first movable rod (11) radial direction sets up, the roof upper surface of stand (2) is provided with spacing recess (13), spacing recess (13) and stopper (12) looks adaptation.

4. The novel municipal engineering safety device of claim 3, wherein: the height of the first gear teeth (81) is smaller than the depth of the limiting groove (13).

5. The novel municipal engineering safety device of claim 4, wherein: the limiting blocks (12) and the limiting grooves (13) are cuboids.

6. The novel municipal engineering safety device of claim 4, wherein: the upper end of the first movable rod (11) is fixedly connected with a first top cover (14).

7. The novel municipal engineering safety shield according to claim 1, wherein: stopping mechanism includes second pawl (15), extension spring (16) and second movable rod (17), the middle part of second pawl (15) with the lateral wall of stand (2) rotates to be connected, the one end of second pawl (15) with ratchet (8) joint cooperation, the one end of the other end fixedly connected with extension spring (16) of second pawl (15), the other end of extension spring (16) with the roof fixed connection of stand (2), the lower extreme of the other end fixedly connected with second movable rod (17) of second pawl (15), run through the upper end of second movable rod (17) the roof of stand (2), second movable rod (17) with the roof sliding connection of stand (2).

8. The novel municipal engineering safety device of claim 7, wherein: the upper end of the second movable rod (17) is fixedly connected with a second top cover (18).