CN211900013U

CN211900013U - Municipal works rail

Info

Publication number: CN211900013U
Application number: CN201922473564.8U
Authority: CN
Inventors: 邓锡; 孙华; 曾培新
Original assignee: Jiangsu Aitong Information Technology Co ltd
Current assignee: Jiangsu Aitong Information Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-10
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a municipal engineering fence, which comprises a bottom plate, a gear, a rotating shaft, a rack component, a long cylinder, a bottom cylinder and a ratchet wheel structure; a plurality of connecting rods are connected among the long cylinders; each bottom cylinder is arranged on the bottom plate; each long cylinder is sleeved on the bottom cylinder; the number of the rack assembly, the gear and the limiting sleeve is two; the first bracket and the second bracket are arranged on the bottom plate; the rotating shaft is connected with two gears, one end of the rotating shaft is rotatably connected with the first support, and the other end of the rotating shaft is fixedly connected with the handle; the two limiting sleeves are arranged on the bottom plate; one ends of the two rack components are respectively arranged on the lower end surface of the connecting rod, and the other ends of the two rack components are arranged in the corresponding limiting sleeves; the two racks are respectively meshed with the corresponding gears; the ratchet structure comprises a one-way ratchet and a non-return pawl; the one-way ratchet wheel is fixed on the rotating shaft; the supporting plate is horizontally arranged on one side of the second bracket; one end of the non-return pawl is hinged on the supporting plate, and the other end of the non-return pawl is abutted against the one-way ratchet wheel tooth groove. The utility model discloses can effectively height-adjusting.

Description

Municipal works rail

Technical Field

The utility model relates to a municipal administration equipment technical field specifically is a municipal works rail.

Background

In some municipal works construction, need use the rail to separate construction site and surrounding municipal facilities, however the rail height that current municipal works used is fixed, can not adjust according to different construction environment, consequently proposes a municipal works rail that can height-adjusting.

SUMMERY OF THE UTILITY MODEL

In view of the technical problem who exists among the background art, the utility model provides a municipal works rail that can height-adjusting. In order to achieve the above object, the utility model provides a following technical scheme:

a municipal engineering fence comprises a bottom plate, a gear, a limiting sleeve, a rotating shaft, a rack assembly, a long cylinder, a bottom cylinder, a ratchet wheel structure and a first support; the number of the bottom barrels and the number of the long barrels are a plurality; a plurality of connecting rods which are horizontally arranged are fixedly connected between the lower parts of the long cylinders; all the bottom cylinders are uniformly arranged on the bottom plate; each long cylinder is matched with the corresponding bottom cylinder and sleeved on the corresponding bottom cylinder; the number of the rack assembly, the gear and the limiting sleeve is two; the first support and the second support are respectively arranged at the positions right in front of the bottom plate and the bottom cylinders at the two sides; the rotating shaft is sequentially connected with two gears in a penetrating manner, one end of the rotating shaft is rotatably connected with the first support, and the other end of the rotating shaft penetrates through the second support and is fixedly connected with the handle; the two limiting sleeves are respectively arranged at the positions below the connecting rods at the upper end and the left end and the right end of the bottom plate; the rack assembly comprises a supporting block and a rack; the rack is fixedly arranged on one side of the supporting plate along the length direction of the supporting plate; one end of each rack component is fixedly arranged on the lower end face of the corresponding connecting rod, and the other end of each rack component is arranged in the corresponding matched limiting sleeve in a vertically movable manner; the two racks are respectively meshed with the corresponding gears; the ratchet structure comprises a one-way ratchet and a non-return pawl; the one-way ratchet wheel is fixedly sleeved on the rotating shaft and at a position between the second bracket and the handle; the supporting plate is horizontally arranged on one side of the second bracket; one end of the non-return pawl is hinged to the supporting plate, and the other end of the non-return pawl is abutted to the one-way ratchet wheel tooth groove.

The one-way ratchet wheel, the gear, the non-return pawl and the rack are all made of stainless steel.

Each long cylinder and each connecting rod are integrally formed.

Fluorescent bands are arranged on the long cylinders.

The municipal engineering fence also comprises supporting legs, universal wheels and studs; two sides below the bottom plate are provided with supporting legs; internal threads are arranged in the lower end face of each supporting leg; the upper end of the stud is in threaded connection with the supporting leg, and the other end of the stud is provided with a universal wheel.

The municipal engineering fence also comprises a fixed seat; the number of the fixed seats is two; the side wall of each supporting leg is provided with an external thread; the two fixing seats are respectively in threaded connection with the corresponding supporting legs.

The utility model has the advantages that:

1. the utility model rotates the handle clockwise, the two gears which are coaxially and fixedly connected respectively drive the corresponding racks to move downwards, and the height of the long cylinder is reduced; the handle is rotated anticlockwise, the gear drives the corresponding rack to move upwards, the height of the long cylinder is increased, and height adjustment of the municipal engineering fence is effectively achieved;

2. the one-way ratchet wheel is fixedly sleeved on the rotating shaft, and the one-way movement of the one-way ratchet wheel is utilized, so that when the height needs to be fixed, the non-return pawl is pushed into a tooth groove of the ratchet wheel, the non-return pawl prevents the ratchet wheel from rotating clockwise, and therefore the ratchet wheel is static at the moment, the gear is also fixed, and the rack cannot fall down;

3. when the fence needs to move, the supporting legs are in threaded connection with the universal wheels, so that the fence is convenient to move; when the rail is required to be static, the supporting legs are in threaded connection with the fixing seats, and the working stability is guaranteed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a side view of the rack location structure of FIG. 1;

FIG. 4 is a schematic view of the ratchet mechanism of FIG. 1;

in the figure, 1-bottom plate, 2-bottom barrel, 3-supporting plate, 4-ratchet mechanism, 5-handle, 6-rotating shaft, 7-ratchet, 8-long barrel, 9-supporting leg, 10-connecting rod, 11-first bracket, 12-gear, 13-rack, 14-universal wheel, 15-fluorescent band, 16-limiting sleeve, 17-second bracket, 18-non-return pawl, 19-supporting block, 20-stud and 21-fixing seat.

Detailed Description

Referring to fig. 1 to 4, the municipal engineering fence comprises a bottom plate 1, a gear 12, a rotating shaft 6, a rack 13 assembly, a long cylinder 8, a bottom cylinder 2, a ratchet 7 mechanism 4 and a first bracket 11; the number of the bottom barrels 2 and the number of the long barrels 8 are both a plurality; a plurality of connecting rods 10 which are horizontally arranged are fixedly connected between the lower parts of the long cylinders 8; all the bottom cylinders 2 are uniformly arranged on the bottom plate 1; each long tube 8 is matched with the corresponding bottom tube 2 and sleeved on the corresponding bottom tube 2; the number of the rack 13 assembly, the gear 12 and the limiting sleeve 16 is two; the first bracket 11 and the second bracket 17 are respectively arranged at the positions right in front of the bottom plate 1 and the bottom barrels 2 at the two sides; the rotating shaft 6 is sequentially connected with two gears 12 in a penetrating way, one end of the rotating shaft is rotatably connected with the first support 11, and the other end of the rotating shaft penetrates through the second support 17 and is fixedly connected with the handle 5; the two limiting sleeves 16 are respectively arranged at the positions below the connecting rods 10 on the left side and the right side of the bottom plate 1; the rack 13 assembly comprises a support block 19 and a rack 13; the rack 13 is fixedly arranged on one side of the support plate 3 along the length direction of the support plate 3; one end of each of the two rack 13 assemblies is fixedly arranged on the lower end face of the corresponding connecting rod 10, and the other end of each of the two rack 13 assemblies is arranged in the corresponding matched limiting sleeve 16 in a vertically movable manner; the two racks 13 are respectively meshed with the corresponding gears 12; the ratchet wheel 7 mechanism 4 comprises a one-way ratchet wheel 7 and a check pawl 18; the one-way ratchet wheel 7 is fixedly sleeved on the rotating shaft 6 and at a position between the second bracket 17 and the handle 5; the supporting plate 3 is horizontally arranged on one side of the second bracket 17; one end of the non-return pawl 18 is hinged on the support plate 3, and the other end of the non-return pawl is abutted against the tooth groove of the one-way ratchet 7.

The one-way ratchet 7, the gear 12, the non-return pawl 18 and the rack 13 are all made of stainless steel materials and are prevented from rusting outdoors.

Each long cylinder 8 and each connecting rod 10 are integrally formed, so that the integral lifting stability is facilitated.

Fluorescent strips 15 are arranged on the long cylinders 8, so that the fence has a warning effect at night.

The municipal engineering fence also comprises universal wheels 14 and studs 20; two sides below the bottom plate 1 are provided with supporting legs 9; internal threads are arranged in the lower end face of each supporting leg 9; the upper end of the stud 20 is connected with the supporting leg 9 in a threaded manner, the other end of the stud is provided with a universal wheel 14, when the stud 20 needs to be moved, one end of the stud 20 is screwed into the lower end of the supporting leg, and the universal wheel is arranged below the supporting leg and is convenient to move (as shown in figure 1).

The municipal engineering fence also comprises a fixed seat 21; two fixed seats 21 are provided; the side wall of each supporting leg 9 is provided with an external thread; the two fixing seats 21 are respectively in threaded connection with the corresponding supporting legs 9, when the fence reaches a specified position, the stud 20 and the universal wheel 14 are screwed off, and the fixing seats 21 are screwed on the outer sides of the supporting legs 9, so that the stability of the fence can be ensured (as shown in fig. 2).

As shown in fig. 1-4, the working principle and flow of the present invention are as follows:

when the height of the long cylinder 8 needs to be adjusted, the non-return pawl 18 is shifted onto the supporting plate 3 from the ratchet wheel 7, the handle 5 is rotated clockwise, the two gears 12 which are coaxially and fixedly connected drive the corresponding racks 13 to move downwards respectively, and the height of the long cylinder 8 is reduced; and when the handle 5 is rotated anticlockwise, the gear 12 drives the corresponding rack 13 to move upwards, and the height of the long barrel 8 is increased.

When the handle 5 is released, the rack 13 moves downwards due to the action of gravity to drive the gear 12 to rotate clockwise, so that by utilizing the unidirectional movement of the unidirectional ratchet 7, when the height needs to be fixed, the check pawl 18 is pushed into the tooth groove of the ratchet 7, the check pawl 18 prevents the ratchet 7 from rotating clockwise, and therefore the ratchet 7 is still, the gear 12 is also fixed, and the rack 13 cannot fall.

Claims

1. A municipal works rail, its characterized in that: the municipal engineering fence comprises a bottom plate, a gear, a limiting sleeve, a rotating shaft, a rack assembly, a long cylinder, a bottom cylinder, a ratchet structure and a first support; the number of the bottom barrels and the number of the long barrels are a plurality; a plurality of connecting rods which are horizontally arranged are fixedly connected between the lower parts of the long cylinders; all the bottom cylinders are uniformly arranged on the bottom plate; each long cylinder is matched with the corresponding bottom cylinder and sleeved on the corresponding bottom cylinder; the number of the rack assembly, the gear and the limiting sleeve is two; the first support and the second support are respectively arranged at the positions right in front of the bottom plate and the bottom cylinders at the two sides; the rotating shaft is sequentially connected with two gears in a penetrating manner, one end of the rotating shaft is rotatably connected with the first support, and the other end of the rotating shaft penetrates through the second support and is fixedly connected with the handle; the two limiting sleeves are respectively arranged at the positions below the connecting rods at the upper end and the left end and the right end of the bottom plate; the rack assembly comprises a supporting block and a rack; the rack is fixedly arranged on one side of the supporting plate along the length direction of the supporting plate; one end of each rack component is fixedly arranged on the lower end face of the corresponding connecting rod, and the other end of each rack component is arranged in the corresponding matched limiting sleeve in a vertically movable manner; the two racks are respectively meshed with the corresponding gears; the ratchet structure comprises a one-way ratchet and a non-return pawl; the one-way ratchet wheel is fixedly sleeved on the rotating shaft and at a position between the second bracket and the handle; the supporting plate is horizontally arranged on one side of the second bracket; one end of the non-return pawl is hinged to the supporting plate, and the other end of the non-return pawl is abutted to the one-way ratchet wheel tooth groove.

2. The municipal engineering fence of claim 1, wherein: the one-way ratchet wheel, the gear, the non-return pawl and the rack are all made of stainless steel.

3. The municipal engineering fence of claim 1, wherein: each long cylinder and each connecting rod are integrally formed.

4. The municipal engineering fence of claim 3, wherein: fluorescent bands are arranged on the long cylinders.

5. The municipal engineering fence of claim 4, wherein: the municipal engineering fence also comprises supporting legs, universal wheels and studs; two sides below the bottom plate are provided with supporting legs; internal threads are arranged in the lower end face of each supporting leg; the upper end of the stud is in threaded connection with the supporting leg, and the other end of the stud is provided with a universal wheel.

6. The municipal engineering fence of claim 5, wherein: the municipal engineering fence also comprises a fixed seat; the number of the fixed seats is two; the side wall of each supporting leg is provided with an external thread; the two fixing seats are respectively in threaded connection with the corresponding supporting legs.