CN217151183U

CN217151183U - Composite steel grating

Info

Publication number: CN217151183U
Application number: CN202220688916.0U
Authority: CN
Inventors: 李永涛; 衣文玉; 张少帅
Original assignee: Yantai Xiantang Steel Structure Co ltd
Current assignee: Yantai Xiantang Steel Structure Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-08-09
Anticipated expiration: 2032-03-28

Abstract

The application relates to the technical field of steel grating, and discloses a compound steel grating, including frame and steel grating main part, the inner wall of frame with the outer wall fixed connection of steel grating main part, the inner wall swing joint of frame has the composite sheet, the lower surface of composite sheet and the upper surface swing joint of steel grating main part, the equal fixedly connected with inserted bar in lower surface four corners department of composite sheet, a screw thread section of thick bamboo has been cup jointed in the pole wall activity of inserted bar, the upper surface of a screw thread section of thick bamboo has been seted up with inserted bar matched with jack, the outer wall of a screw thread section of thick bamboo with the inner wall fixed connection of frame. This application makes compound steel grating have the convenient function of maintaining of composite sheet, not only can improve the convenience and the efficiency that compound steel grating maintained, has still reduced staff's intensity of labour, and compound steel grating upper surface still has skid-proof ability moreover to can improve the security of people's walking on compound steel grating.

Description

Composite steel grating

Technical Field

The application relates to the technical field of steel grating plates, in particular to a composite steel grating plate.

Background

The composite steel grating is formed by a steel grating with certain span capacity and a composite plate on the surface of the sealed steel grating, the surface of the common steel grating is unsealed, if the steel grating is installed at a higher position, people with high phobia can fear, in addition, the hole of the steel grating is larger, and the falling larger sand grains, garbage and the like on the steel grating easily pass through the hole, so that the life threat to the following pedestrians is easily caused. Therefore, the composite steel grating is inoculated, and the composite steel grating has the characteristics of high strength, light structure and easy maintenance besides overcoming the defects of the steel grating, so that the composite steel grating is widely applied by people.

Adopt welded fastening between the composite sheet of present compound steel grating and the steel grating, when the composite sheet corrosion damage need be changed, welded fastening causes the composite sheet change process comparatively inconvenient, not only influences convenience and the efficiency that compound steel grating maintained, still increases staff's intensity of labour.

SUMMERY OF THE UTILITY MODEL

The purpose of this application is that it is comparatively inconvenient in order to solve among the prior art composite steel grating composite sheet corrosion change maintenance process, not only influences convenience and efficiency that composite steel grating maintained, still increases staff intensity of labour's problem, and the composite steel grating that provides.

In order to achieve the purpose, the following technical scheme is adopted in the application:

a composite steel grating comprises an outer frame and a steel grating main body, wherein the inner wall of the outer frame is fixedly connected with the outer wall of the steel grating main body, the inner wall of the outer frame is movably connected with a composite plate, the lower surface of the composite plate is movably connected with the upper surface of the steel grating main body, the four corners of the lower surface of the composite board are fixedly connected with inserting rods, the rod walls of the inserting rods are movably sleeved with threaded cylinders, the upper surface of the thread cylinder is provided with a jack matched with the inserted bar, the outer wall of the thread cylinder is fixedly connected with the inner wall of the outer frame, the inner wall of the threaded cylinder is movably connected with a conical moving ring, the outer wall of the conical moving ring is movably connected with an elastic clamping block, the outer wall of the top end of each elastic clamping block is fixedly connected with the inner wall of the threaded cylinder, a plurality of clamping grooves matched with the bottom ends of the elastic clamping blocks are formed in the bottom ends of the inserting rods, and the dismounting mechanism is fixedly connected to the lower surface of the conical moving ring.

As an optimal technical scheme of this application, disassembly body includes the connection rope with toper shifting ring lower fixed surface is connected, the outer wall fixedly connected with stay cord of connection rope, the outer wall activity of stay cord has cup jointed the screw ring, the outer wall of screw ring and the bottom inner wall threaded connection of a screw thread section of thick bamboo do, through stay cord and the removal of wire rope pulling toper shifting ring, prop up when the toper shifting ring moves down that the elasticity fixture block expands outward.

As an preferred technical scheme of this application, the last fixed surface of toper shifting ring is connected with a plurality of reset spring, and is a plurality of reset spring's top all with the inner wall fixed connection of a screw section of thick bamboo, reset spring makes the toper shifting ring have the ability of rising back after shifting down, does not receive when guaranteeing that elasticity fixture block resets and blocks.

As an preferred technical scheme of this application, the fixed cover of the pole wall of inserted bar has connect and has kept off the ring, the lower fixed surface who keeps off the ring is connected with the rubber adjustable ring, and the contraction of rubber adjustable ring makes draw-in groove and elasticity fixture block leave the gap to can make things convenient for the elasticity fixture block to break away from the draw-in groove.

As an optimal technical scheme of this application, the frame is located a plurality of circular wash ports have been seted up to the lateral wall of composite sheet upper surface department, and circular wash port can in time discharge the ponding of composite sheet top siltation, guarantees that the composite sheet upper surface is dry and comfortable.

As a preferred technical scheme of this application, the upper surface of composite sheet is located the inboard of frame, the height between the upper surface of composite sheet and the upper surface of frame is 1-1.5 centimetres, and higher frame can form the flange at the composite sheet side, can prevent as far as possible that the people from because of the wet and slippery roll-off composite steel grating when walking on composite steel grating to can reduce the probability of taking place the incident.

As an optimal technical scheme of this application, the last fixed surface of composite sheet is connected with a plurality of anti-skidding sand grips, and the friction of composite sheet upper surface can be improved to the anti-skidding sand grip, improves the stability of people at 3 upper surfaces of composite sheet walkings.

As an optimal technical scheme of this application, it is a plurality of the equal fixedly connected with pull ring in bottom of stay cord, the pull ring can conveniently follow the stay cord of pulling in the screw thread section of thick bamboo.

Compared with the prior art, the application provides a compound steel grating, possesses following beneficial effect:

1. this compound steel grating, through being provided with the inserted bar, the elasticity fixture block, toper shifting ring and detaching mechanism, when there is the potential safety hazard in the composite sheet corrosion and need to change the maintenance, press the inserted bar at first, the inserted bar makes the rubber adjustable ring shrink, make draw-in groove and elasticity fixture block leave the gap simultaneously, stimulate the pull ring afterwards, the pull ring passes through detaching mechanism and stimulates the toper shifting ring to remove, the toper shifting ring props up the elasticity fixture block and expands outward when moving down, make elasticity fixture block bottom break away from the draw-in groove simultaneously, later directly extract the inserted bar in the screw cylinder can, make the composite sheet dismantlement process labour saving and time saving, can improve the speed that the composite sheet was changed and was maintained simultaneously, this mechanism makes compound steel grating have the convenient function of maintaining of composite sheet, not only can improve convenience and the efficiency that compound steel grating maintained, staff's intensity of labour has still been reduced.

2. This compound steel grating, through being provided with frame and wash port, through built-in inside the frame to the composite sheet, make the composite sheet side have the frame to block, can prevent as far as possible that the people from because of the wet smooth compound steel grating of roll-off when walking on compound steel grating, and can reduce the probability of taking place the incident, and circular wash port can in time discharge the ponding of composite sheet top siltation, guarantee that the composite sheet upper surface is dry and comfortable, the compound steel grating upper surface of this mechanism has skid-proof ability, the security of people's walking on compound steel grating is improved.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, and this application makes compound steel grating have the convenient function of maintaining of composite sheet, not only can improve the convenience and the efficiency that compound steel grating maintained, has still reduced staff's intensity of labour, and compound steel grating upper surface still has skid-proof ability moreover to can improve the security of people's walking on compound steel grating.

Drawings

Fig. 1 is a schematic structural diagram of a composite steel grating proposed in the present application;

FIG. 2 is a schematic view of a portion of the connection between the steel grating body and the composite plate according to the present application;

fig. 3 is a schematic view of the structure of the tapered moving ring portion of fig. 1.

In the figure: 1. an outer frame; 2. a steel grating body; 3. a composite board; 4. inserting a rod; 5. a threaded barrel; 6. a conical shift ring; 7. an elastic clamping block; 8. a card slot; 9. a disassembly mechanism; 91. connecting ropes; 92. pulling a rope; 93. a threaded ring; 10. a return spring; 11. a baffle ring; 12. a rubber adjusting ring; 13. a circular drain hole; 14. anti-skid convex strips; 15. and (4) a pull ring.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present application.

Referring to fig. 1, a composite steel grating comprises an outer frame 1 and a steel grating main body 2, wherein the inner wall of the outer frame 1 is fixedly connected with the outer wall of the steel grating main body 2, the inner wall of the outer frame 1 is movably connected with a composite plate 3, a plurality of circular drain holes 13 are formed in the side wall of the outer frame 1, which is positioned at the upper surface of the composite plate 3, the circular drain holes 13 can drain accumulated water deposited at the top of the composite plate 3 in time, so as to ensure that the upper surface of the composite plate 3 is dry, the upper surface of the composite plate 3 is positioned at the inner side of the outer frame 1, the height between the upper surface of the composite plate 3 and the upper surface of the outer frame 1 is 1.3 cm, a higher outer frame 1 can form a retaining edge at the side edge of the composite plate 3, so as to prevent a person from slipping out of the composite steel grating due to wet slip when walking on the composite steel grating as much as possible, and reduce the probability of safety accidents, a plurality of anti-slip raised strips 14 are fixedly connected with the upper surface of the composite plate 3, the anti-slip raised strips 14 can improve the friction force of the upper surface of the composite plate 3, the walking stability of people on the upper surface of the composite board 3 is improved.

Referring to fig. 1-3, the lower surface of composite sheet 3 and the upper surface swing joint of steel grating main part 2, the equal fixedly connected with inserted bar 4 in lower surface four corners department of composite sheet 3, a screw thread section of thick bamboo 5 has been cup jointed in the pole wall activity of inserted bar 4, the jack with inserted bar 4 matched with is seted up to the upper surface of screw thread section of thick bamboo 5, the outer wall of screw thread section of thick bamboo 5 and the inner wall fixed connection of frame 1, the inner wall swing joint of screw thread section of thick bamboo 5 has toper shifting ring 6, the outer wall swing joint of toper shifting ring 6 has elastic fixture block 7, the last fixed surface of toper shifting ring 6 is connected with a plurality of reset spring 10, the top of a plurality of reset spring 10 all with the inner wall fixed connection of screw thread section of thick bamboo 5, reset spring 10 makes toper shifting ring 6 have the ability of rising after shifting down, do not blockked when guaranteeing that elastic fixture block 7 resets.

Referring to fig. 1-2, the outer wall of the top end of the elastic clamping block 7 is fixedly connected with the inner wall of the threaded cylinder 5, the bottom end of the inserted link 4 is provided with a plurality of clamping grooves 8 matched with the bottom end of the elastic clamping block 7, the link wall of the inserted link 4 is fixedly sleeved with a retaining ring 11, the lower surface of the retaining ring 11 is fixedly connected with a rubber adjusting ring 12, and the rubber adjusting ring 12 contracts to enable the clamping grooves 8 and the elastic clamping block 7 to leave gaps and facilitate the elastic clamping block 7 to be separated from the clamping grooves 8.

Referring to fig. 2, the lower fixed surface of the conical moving ring 6 is connected with a detaching mechanism 9, the detaching mechanism 9 includes a connecting rope 91 fixedly connected with the lower surface of the conical moving ring 6, the outer wall of the connecting rope 91 is fixedly connected with a pull rope 92, a threaded ring 93 is movably sleeved on the outer wall of the pull rope 92, the outer wall of the threaded ring 93 is in threaded connection with the inner wall of the bottom end of the threaded cylinder 5, the conical moving ring 6 is pulled to move through the pull rope 92 and the steel wire rope 91, the elastic fixture block 7 is expanded outwards when the conical moving ring 6 moves downwards, the pull rings 15 are fixedly connected with the bottom ends of the pull ropes 92, and the pull rings 15 can conveniently pull the pull rope 92 from the interior of the threaded cylinder 5.

The working principle is as follows: when the composite board is corroded and has potential safety hazard and needs to be replaced and maintained, firstly, the inserted bar 4 is pressed, the inserted bar 4 enables the rubber adjusting ring 12 to shrink, a gap is reserved between the clamping groove 8 and the elastic clamping block 7, then the pull ring 15 is pulled, the pull ring 15 pulls the conical moving ring 6 to move through the pull rope 92 and the steel wire rope 91, the conical moving ring 6 props up the elastic clamping block 7 to expand when moving downwards, the bottom of the elastic clamping block 7 is separated from the clamping groove 8, then the inserted bar 4 is directly pulled out from the threaded cylinder 5, the composite board 3 does not need to be fixed by bolts and welding, the dismounting process is time-saving and labor-saving, meanwhile, the replacement and maintenance speed of the composite board 3 can be improved, the composite steel grating has the function of convenient maintenance of the composite board 3, the convenience and the maintenance efficiency of the composite steel grating can be improved, the labor intensity of workers is also reduced, and the composite board 3 is internally arranged in the outer frame 1, make 3 sides of composite sheet board have frame 1 to block, can prevent as far as possible that the people from because of the wet and smooth compound steel grating of roll-off when walking on compound steel grating to can reduce the probability of taking place the incident, circular wash port 13 can in time discharge 3 top silted ponding of composite sheet in addition, guarantees that 3 upper surfaces of composite sheet are dry and comfortable, and the compound steel grating upper surface of this mechanism has skid-proof ability, improves the security of people's walking on compound steel grating.

The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present application, and all equivalent substitutions and changes according to the technical solutions and the inventive concepts of the present application should be covered by the scope of the present application.

Claims

1. A composite steel grating comprises an outer frame (1) and a steel grating main body (2), and is characterized in that the inner wall of the outer frame (1) is fixedly connected with the outer wall of the steel grating main body (2), the inner wall of the outer frame (1) is movably connected with a composite plate (3), the lower surface of the composite plate (3) is movably connected with the upper surface of the steel grating main body (2), four corners of the lower surface of the composite plate (3) are fixedly connected with inserted rods (4), a threaded cylinder (5) is movably sleeved on the rod wall of the inserted rods (4), a jack matched with the inserted rods (4) is arranged on the upper surface of the threaded cylinder (5), the outer wall of the threaded cylinder (5) is fixedly connected with the inner wall of the outer frame (1), a conical moving ring (6) is movably connected with the inner wall of the threaded cylinder (5), and an elastic clamping block (7) is movably connected with the outer wall of the conical moving ring (6), the top outer wall of elasticity fixture block (7) and the inner wall fixed connection of a screw thread section of thick bamboo (5), a plurality of draw-in grooves (8) with elasticity fixture block (7) bottom matched with have been seted up to the bottom of inserted bar (4), the lower fixed surface of toper shifting ring (6) is connected with disassembly body (9).

2. The composite steel grating as claimed in claim 1, wherein the detaching mechanism (9) comprises a connecting rope (91) fixedly connected with the lower surface of the conical moving ring (6), a pull rope (92) is fixedly connected with the outer wall of the connecting rope (91), a threaded ring (93) is movably sleeved on the outer wall of the pull rope (92), and the outer wall of the threaded ring (93) is in threaded connection with the inner wall of the bottom end of the threaded cylinder (5).

3. The composite steel grating as claimed in claim 1, wherein a plurality of return springs (10) are fixedly connected to the upper surface of the conical moving ring (6), and the top ends of the plurality of return springs (10) are fixedly connected with the inner wall of the threaded cylinder (5).

4. The composite steel grating as claimed in claim 1, wherein the wall of the inserted rod (4) is fixedly sleeved with a baffle ring (11), and the lower surface of the baffle ring (11) is fixedly connected with a rubber adjusting ring (12).

5. The composite steel grating as claimed in claim 1, wherein the side wall of the outer frame (1) at the upper surface of the composite plate (3) is provided with a plurality of circular drainage holes (13).

6. A composite steel grating as claimed in claim 1, characterized in that the upper surface of the composite plate (3) is located inside the outer frame (1), the height between the upper surface of the composite plate (3) and the upper surface of the outer frame (1) being 1-1.5 cm.

7. A composite steel grating as claimed in claim 1, wherein a plurality of anti-slip ribs (14) are fixedly attached to the upper surface of the composite sheet (3).

8. A composite steel grating as claimed in claim 2, wherein a pull ring (15) is fixedly connected to the bottom end of each of the plurality of pull cords (92).