CN213742730U

CN213742730U - Face quick positioner of limit protection

Info

Publication number: CN213742730U
Application number: CN202022594670.4U
Authority: CN
Inventors: 史宏伟; 夏杰; 张艳辉; 张琪; 柳辉
Original assignee: China Railway Construction Engineering Group Co Ltd
Current assignee: China Railway Construction Engineering Group Co Ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-07-20
Anticipated expiration: 2030-11-11

Abstract

The utility model discloses a face limit protection quick positioner relates to and faces limit protection technical field. The utility model discloses a protection section of thick bamboo, casing, sliding fit has the bracing piece in the protection section of thick bamboo, and casing internal rotation cooperation has first barrel, and first barrel lower part week side is equipped with the teeth of a cogwheel. The utility model discloses an sliding fit has the bracing piece in protecting cylinder, casing internal rotation cooperation has first barrel, first barrel lower part week side is equipped with the teeth of a cogwheel, first barrel upper portion week side cover is equipped with reset spring, first barrel week side meshing has the worm wheel, worm wheel week side meshing has the worm, worm week side cover is equipped with the gear, gear week side meshing has the rack board, and rack board sliding fit is in the casing, the internal rotation cooperation of casing has the running-board, bracing piece week side is equipped with the lug, first barrel inside has seted up the first channel corresponding with the lug along length direction, be convenient for can't move down through the lug on the first barrel restriction bracing piece, reinforcing means holds up the stability of protection railing.

Description

Face quick positioner of limit protection

Technical Field

The utility model belongs to the technical field of face the frontier defense, especially, relate to a face quick positioner of frontier defense protection.

Background

The guard rail for the side operation is composed of a cross rod, a vertical rod and a foot baffle plate not lower than 180m high, and the following regulations are met:

the guard rail should be twice horizontal pole, and the upper boom should be 1.2m apart from ground height, and the lower beam should set up in the middle of upper boom and fender foot board. When the height of the guard rail is more than 1.2m, cross bars are additionally arranged, and the distance between the cross bars is not more than 600 mm;

however, the existing guard rail positioning device is low in stability and not easy to disassemble.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a face limit protection quick positioning device, through sliding fit in the protection cylinder have a bracing piece, the casing normal running fit has a first barrel, first barrel lower part week side is equipped with the teeth of a cogwheel, first barrel upper portion week side cover is equipped with reset spring, first barrel week side meshing has the worm wheel, worm wheel week side meshing has the worm, worm week side cover is equipped with the gear, gear week side meshing has the rack board, and the rack board sliding fit is in the casing, the casing normal running fit has the running-board, bracing piece week side is equipped with the lug, first barrel inside is seted up along length direction with the first channel that the lug corresponds, be convenient for through the lug on the first barrel restriction bracing piece can't move down, the reinforcing means holds up the stability of protection railing, the foot pedal fast removes the first barrel to the lug, the spacing of bracing piece, the bracing piece, push down bracing piece can remove and, and then be convenient for take out positioner fast, solved the problem that exists among the above-mentioned prior art.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

a limb protection rapid positioning device comprises a protection cylinder and a shell, wherein a support rod is in sliding fit in the protection cylinder, a first cylinder is in rotating fit in the shell, gear teeth are arranged on the periphery of the lower portion of the first cylinder, a reset spring is sleeved on the periphery of the upper portion of the first cylinder, one end of the reset spring is fixed on the outer side of the first cylinder, the other end of the reset spring is fixed on the inner side of the shell, a worm wheel is meshed on the periphery of the first cylinder, a worm is meshed on the periphery of the worm wheel, a gear is sleeved on the periphery of the worm, a rack plate is meshed on the periphery of the gear, the rack plate is in sliding fit in the shell, a pedal is in rotating fit in the;

the supporting rod is provided with a convex block on the periphery, the inner side of the first cylinder is provided with a first channel corresponding to the convex block along the length direction, the periphery of the supporting rod is provided with a plurality of positioning components, one side of each positioning component is provided with a supporting hook, and the bottom end of the supporting rod is provided with a spring.

Optionally, the positioning assembly comprises a positioning block arranged on the periphery of the supporting rod, a second channel is arranged on the periphery of the protection cylinder in an opening and closing mode, the positioning block is in sliding fit in the second channel, a T-shaped channel is arranged at the upper end of the positioning block, a T-shaped positioning block is arranged on the T-shaped channel in a sliding fit mode, and the support hook is arranged on one side of the T-shaped positioning block.

Optionally, a threaded hole is formed in one side of the positioning block, the threaded hole penetrates through the positioning block and the T-shaped positioning block, and a positioning bolt is matched with the inner thread of the threaded hole.

Optionally, the protective sleeve is mounted on the upper end of the housing.

Optionally, a hole is formed in one side of the pedal, a rotating shaft is arranged in the hole, a notch is formed in one side of the shell, the rotating shaft is arranged in the notch, and the pedal is rotatably matched with the notch.

Optionally, four self-locking universal wheels are mounted at the bottom end of the shell, and the four self-locking universal wheels are arranged in pairwise symmetry.

The embodiment of the utility model has the following beneficial effect:

in one embodiment of the utility model, the support rod is arranged in the protective cylinder in a sliding fit manner, the first cylinder body is arranged in the shell in a rotating fit manner, the gear teeth are arranged on the periphery of the lower part of the first cylinder body, the return spring is sleeved on the periphery of the upper part of the first cylinder body, the worm wheel is meshed on the periphery of the first cylinder body, the worm is meshed on the periphery of the worm wheel, the gear is sleeved on the periphery of the worm, the rack plate is meshed on the periphery of the gear, and the rack plate is in sliding fit in the shell, the pedal plate is in running fit in the shell, the convex blocks are arranged on the periphery of the supporting rod, the first channel corresponding to the convex blocks is formed in the inner side of the first barrel along the length direction, the first barrel is convenient to limit the convex blocks on the supporting rod to be incapable of moving downwards, the stability of the protective railing supported by the device is enhanced, the limitation of the first barrel on the convex blocks and the supporting rod is quickly relieved by stepping on the pedal plate, the taking-out positioning device can be relieved by pressing the supporting rod downwards, and the positioning device can be conveniently and quickly taken out.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a schematic perspective view of a rack plate according to an embodiment of the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 1;

fig. 4 is a schematic structural diagram at B in fig. 2.

Wherein the figures include the following reference numerals:

the device comprises a protection cylinder 1, a support rod 2, a shell 3, a first cylinder 4, a worm wheel 5, a worm 6, a gear 7, a rack plate 8, a pedal plate 9, a connecting plate 10, a bump 11, a first channel 12, a support hook 13, a spring 14, a positioning block 15, a T-shaped channel 16, a T-shaped positioning block 17 and a rotating shaft 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

Referring to fig. 1-4, in the present embodiment, a device for fast positioning of edge protection is provided, which includes: the protection device comprises a protection cylinder 1 and a shell 3, wherein a support rod 2 is in sliding fit in the protection cylinder 1, a first cylinder 4 is in rotating fit in the shell 3, gear teeth are arranged on the peripheral side of the lower part of the first cylinder 4, a return spring is sleeved on the peripheral side of the upper part of the first cylinder 4, one end of the return spring is fixed on the outer side of the first cylinder 4, the other end of the return spring is fixed on the inner side of the shell 3, a worm wheel 5 is meshed on the peripheral side of the first cylinder 4, a worm 6 is meshed on the peripheral side of the worm wheel 5, a gear 7 is sleeved on the peripheral side of the worm 6, a rack plate 8 is meshed on the peripheral side of the gear 7, the rack plate 8 is in sliding fit in the shell 3, a pedal plate 9 is in rotating fit in the shell 3, a connecting plate 10 is arranged on one side of the rack plate 8, and the connecting plate 10 is positioned above the pedal plate 9;

the circumference of the support rod 2 is provided with a bump 11, the inner side of the first barrel 4 is provided with a first channel 12 corresponding to the bump 11 along the length direction, the circumference of the support rod 2 is provided with a plurality of positioning components, one side of each positioning component is provided with a supporting hook 13, and the bottom end of the support rod 2 is provided with a spring 14.

The application of one aspect of the embodiment is as follows: after the protective handrail is placed on the supporting hook 13 and positioned at two sides of the opening, the pedal plate 9 is stepped downwards, one end of the pedal plate 9 drags the connecting plate 10 and the rack plate 8 to move upwards, the rack plate 8 pushes the gear 7 to rotate to sequentially drive the worm 6, the worm wheel 5 and the first cylinder 4 to rotate and reset the spring to deform, the first channel 12 is superposed with the bump 11, then the support rod 2 is pressed downwards to drive the positioning assembly and the supporting hook 13 to move downwards, the spring 14 is compressed, and then the positioning device is taken out;

loosen bracing piece 2, spring 14 promotes bracing piece 2, locating component, the support hook 13 shifts up, the first channel 12 of lug 11 roll-off, reset spring drives first barrel 4 and rotates, lug 11 staggers and is located first barrel 4 top with first channel 12, be convenient for restrict lug 11, bracing piece 2 gliding, stability when increasing bracing piece 2 and supporting, first barrel 4 rotates and drives worm wheel 5, worm 6, gear 7, rack plate 8, running-board 9, connecting plate 10 and resets.

The support rod 2 is in sliding fit in the protection cylinder 1, the first cylinder 4 is in rotating fit in the shell 3, gear teeth are arranged on the periphery of the lower portion of the first cylinder 4, the periphery of the upper portion of the first cylinder 4 is sleeved with the reset spring, the periphery of the first cylinder 4 is meshed with the worm wheel 5, the periphery of the worm wheel 5 is meshed with the worm 6, the periphery of the worm 6 is sleeved with the gear 7, the periphery of the gear 7 is meshed with the rack plate 8, the rack plate 8 is in sliding fit in the shell 3, the shell 3 is in rotating fit with the pedal plate 9, the periphery of the support rod 2 is provided with the convex block 11, the inner side of the first cylinder 4 is provided with the first groove 12 corresponding to the convex block 11 along the length direction, the convex block 11 on the support rod 2 is conveniently limited by the first cylinder 4 to be incapable of moving downwards, the stability of the protection guardrail bar is enhanced by the device, the pedal plate 9 is treaded by feet to quickly remove the limit of the convex block 11 and the support rod 2, the support rod 2 is pressed downwards to remove the positioning device, thereby being convenient for taking out the positioning device quickly.

The locating component of this embodiment is including installing the locating piece 15 in 2 week sides of bracing piece, 1 week side of a protection section of thick bamboo opens and shuts has the second channel, and locating piece 15 sliding fit is in the second channel, T font channel 16 has been seted up to locating piece 15 upper end, sliding fit has T font locating piece 17 in T font channel 16, and support hook 13 installs in T font locating piece 17 one side, upwards slide T font locating piece 17 can take out support hook 13, the quick replacement support hook 13 of being convenient for.

The threaded hole is formed in one side of the positioning block 15 in the embodiment, the threaded hole penetrates through the positioning block 15 and the T-shaped positioning block 17, and a positioning bolt is matched with the inner thread of the threaded hole, so that the stability of the T-shaped positioning block 17 and the support hook 13 is enhanced conveniently.

The protection cylinder 1 of the present embodiment is mounted on the upper end of the housing 3.

In this embodiment, a hole is formed on one side of the pedal 9, a rotating shaft 18 is disposed in the hole, a notch is formed on one side of the housing 3, the rotating shaft 18 is disposed in the notch, and the pedal 9 is rotatably fitted in the notch.

Four self-locking universal wheels are arranged at the bottom end of the shell 3, and the four self-locking universal wheels are arranged in a pairwise symmetrical mode, so that the device is convenient to move and position.

The high-rise edge facing needs edge facing protection, two protective railings and a foot baffle plate need to be arranged according to the requirements of JGJ80-2016 file of technical Specification for high operation safety in building construction, the requirements of our company are higher than the requirements of the Specification, and three protective railings are arranged, and the heights of the protective railings are 0.2m, 0.7m and 1.2m respectively.

The simple and easy face limit protection quick positioning device is convenient for the positioning and placement of the protection railing. During positioning, 2 positioning devices are respectively erected at the inner positions of two sides of the vertical hole, then the protective handrail is placed on the three support hooks, after the two sides are fixed, the top button is pressed down, the support hooks move downwards, and the positioning devices are taken out.

The hook supporting part is screwed at the middle connecting part, can be detached and can be replaced according to the size of the edge protection material.

The above embodiments may be combined with each other.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Claims

1. The utility model provides a face quick positioner of limit protection which characterized in that includes: a protective cylinder (1) and a shell (3), wherein the protective cylinder (1) is internally matched with a support rod (2) in a sliding way, the shell (3) is internally matched with a first cylinder (4) in a rotating way, gear teeth are arranged on the peripheral side of the lower part of the first cylinder (4), a reset spring is sleeved on the peripheral side of the upper part of the first cylinder (4), one end of a return spring is fixed on the outer side of the first cylinder (4), the other end of the return spring is fixed on the inner side of the shell (3), a worm wheel (5) is meshed on the peripheral side of the first cylinder (4), a worm (6) is meshed on the peripheral side of the worm wheel (5), a gear (7) is sleeved on the peripheral side of the worm (6), a rack plate (8) is meshed on the peripheral side of the gear (7), the rack plate (8) is in sliding fit in the shell (3), the pedal (9) is rotationally matched in the shell (3), one side of the rack plate (8) is provided with a connecting plate (10), and the connecting plate (10) is positioned above the pedal (9);

the periphery of the supporting rod (2) is provided with a convex block (11), the inner side of the first barrel (4) is provided with a first channel (12) corresponding to the convex block (11) along the length direction, the periphery of the supporting rod (2) is provided with a plurality of positioning components, one side of each positioning component is provided with a supporting hook (13), and the bottom end of the supporting rod (2) is provided with a spring (14).

2. The edge protection rapid positioning device according to claim 1, wherein the positioning assembly comprises a positioning block (15) installed on the periphery of the supporting rod (2), a second channel is opened on the periphery of the protection cylinder (1), the positioning block (15) is slidably fitted in the second channel, a T-shaped channel (16) is opened at the upper end of the positioning block (15), a T-shaped positioning block (17) is slidably fitted in the T-shaped channel (16), and the support hook (13) is installed on one side of the T-shaped positioning block (17).

3. The edge-protective rapid positioning device as claimed in claim 2, wherein one side of the positioning block (15) is provided with a threaded hole, the threaded hole penetrates through the positioning block (15) and the T-shaped positioning block (17), and a positioning bolt is engaged with the threaded hole.

4. A rapid positioning device for edge protection as claimed in claim 3, wherein the protection cylinder (1) is installed on the upper end of the housing (3).

5. A quick positioning device for limb protection as claimed in claim 4, wherein a hole is formed on one side of the pedal (9), a rotating shaft (18) is disposed in the hole, a notch is formed on one side of the housing (3), the rotating shaft (18) is disposed in the notch, and the pedal (9) is rotatably fitted in the notch.

6. The edge-approaching protection rapid positioning device as claimed in claim 5, wherein the bottom end of the housing (3) is provided with four self-locking universal wheels, and the four self-locking universal wheels are arranged symmetrically in pairs.