CN218715795U

CN218715795U - Building foundation pit protective fence

Info

Publication number: CN218715795U
Application number: CN202222727070.XU
Authority: CN
Inventors: 郑溢峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-03-24
Anticipated expiration: 2032-10-17

Abstract

The utility model discloses a building foundation pit protective guard, which comprises a guardrail body and upright posts arranged on two sides of the guardrail body, wherein the side wall of the upright post is provided with a first fixing lug, the side wall of the guardrail body is provided with a second fixing lug matched with the first fixing lug, and the first fixing lug and the second fixing lug are connected through a fastener; the driving mechanism drives the supporting leg mechanism to act through the connecting piece, and the moving state and the supporting state of the foundation pit protective guard are changed by changing the condition that the supporting leg and the roller train are tightly attached to the ground; meanwhile, compared with the prior art, the supporting area of the plurality of supporting legs in the supporting state is increased, so that the overall lodging resistance is improved.

Description

Building foundation pit protective fence

Technical Field

The utility model belongs to the technical field of the construction, a building foundation ditch rail guard is related to.

Background

The foundation pit protective fence is more and more common in the field of building construction, and according to geological conditions, surrounding environment and complex underground pipeline engineering, in order to ensure the safety during operation and ensure the safety of foundation pit construction slope operating personnel, the protective fence is required to protect external personnel.

The existing foundation pit protective guard is mainly composed of two stand columns and a guardrail body which is arranged between the two stand columns and is welded and fixed with the two stand columns, and during installation, the stand columns of the two adjacent foundation pit protective guards are fixedly connected with each other through bolts to form a guardrail with enough length, and a protection effect is formed on the adjacent side of a foundation pit.

Because the length of the adjacent side of the foundation pit is longer, the whole length of a guardrail formed by the foundation pit protective railings connected with each other is too long, so that the whole lodging-resistant capability of the guardrail is poor, the installation stability of a single foundation pit protective railing is poor, the whole guardrail is not enough to be supported, and meanwhile, the foundation pit protective railings are mostly assembled in a welding mode, so that the integral movement of the protective railing is not convenient.

In order to solve the problem, the utility model provides a building foundation ditch rail guard.

SUMMERY OF THE UTILITY MODEL

For solving the problem that exists among the background art, the utility model provides a building foundation ditch rail guard.

In order to realize the purpose, the utility model discloses a technical scheme as follows: a building foundation pit protective guard comprises a guardrail body and upright posts arranged on two sides of the guardrail body, wherein the side walls of the upright posts are provided with first fixing lugs, the side walls of the guardrail body are provided with second fixing lugs matched with the first fixing lugs, and the first fixing lugs and the second fixing lugs are connected through fasteners;

an installation groove penetrates upwards along the bottom of the upright column, a supporting leg mechanism is installed in the installation groove, and the supporting leg mechanism is connected with a driving mechanism arranged in the installation groove through a connecting piece; the bottom of the upright post is also provided with a roller group which can extend into the mounting groove; the driving mechanism drives the supporting leg mechanism to act through the connecting piece, and then the moving state and the supporting state of the foundation pit protective guard are adjusted.

Furthermore, at least two notch grooves communicated with the mounting groove are uniformly formed upwards along the bottom of the upright column;

the supporting leg mechanism comprises at least two supporting legs, a connecting rod matched with the supporting legs and a second disc piece arranged in the mounting groove, and each supporting leg is correspondingly hinged to the connecting piece and can be separated from the mounting groove through a corresponding notch groove; two ends of the connecting rod are respectively and correspondingly hinged on the supporting leg and the second disc piece; the second disc member is slidably mounted in the mounting groove and longitudinally slides along the mounting groove.

Further, the connecting piece is a first disc piece, and the first disc piece is slidably mounted in the mounting groove and longitudinally slides along the mounting groove; actuating mechanism is electric putter, electric putter installs mounting groove upper end position, just first disc spare is fixed on electric putter's push rod portion.

Furthermore, a third disc piece is fixed in the mounting groove and located below the second disc piece.

Further, the roller group is installed in the installation groove through a fourth disc part and is positioned below the third disc part; and a spring is arranged between the third disc part and the fourth disc part.

Furthermore, the second disc part, the third disc part and the fourth disc part are all provided with avoidance grooves matched with the notch grooves.

Furthermore, a limiting ring is installed at the bottom of the installation groove.

Furthermore, a triggering convex block matched with the fourth disc piece is installed on the supporting leg.

Furthermore, the side wall of the upright post is provided with an overhaul window communicated with the mounting groove.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the driving mechanism drives the supporting leg mechanism to act through the connecting piece, and the moving state and the supporting state of the foundation pit protective guard are changed by changing the condition that the supporting legs and the roller train are tightly attached to the ground; meanwhile, compared with the prior art, the supporting area of the plurality of supporting legs in the supporting state is increased, so that the overall lodging resistance is improved.

2. When the whole foundation pit protective guard moves, the supporting legs play an auxiliary role, and the foundation pit protective guard is prevented from turning on one side.

3. When the foundation pit protective fence is stored, the protective fence body and the upright post can be stored independently; meanwhile, the supporting leg mechanism and the roller group can be recycled into the upright post, so that the upright post is prevented from being damaged.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the center pillar of the present invention;

fig. 3 is a cross-sectional view of the center pillar of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3.

In the figure: 1. a guardrail body; 2. a column; 3. a first fixing lug; 4. a second fixing lug; 5. mounting grooves; 6. a leg mechanism; 61. a support leg; 62. a connecting rod; 63. a second disc member; 7. a connecting member; 8. a drive mechanism; 9. a roller set; 10. a notch groove; 11. a third disc member; 12. a fourth disc member; 13. a spring; 14. an avoidance groove; 15. the bump is triggered.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 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.

As shown in fig. 1-4, the technical solution adopted by the present invention is as follows: a building foundation pit protective guard comprises a guardrail body 1 and upright posts 2 arranged on two sides of the guardrail body 1, wherein a plurality of first fixing lugs 3 are longitudinally welded on the left side wall and the right side wall of each upright post 2, second fixing lugs 4 corresponding to the first fixing lugs 3 are welded on the side walls of the guardrail body 1, and when the guardrail body 1 and the upright posts 2 are fixed, the first fixing lugs 3 and the second fixing lugs 4 are fixed through fasteners, so that the guardrail body 1 and the upright posts 2 are more convenient to replace, and meanwhile, when the guardrail body 1 and the upright posts 2 are stored, the classified storage is facilitated; the fastener can adopt a bolt and nut form, and can also adopt other riveting or inserting forms.

In this embodiment, an installation groove 5 penetrates upwards along the bottom of the upright post 2, and the installation groove 5 can also utilize the cylindrical structure of the upright post 2; a supporting leg mechanism 6 is arranged in the mounting groove 5, and the supporting leg mechanism 6 is connected with a driving mechanism 8 arranged in the mounting groove 5 through a connecting piece 7; the bottom of the upright post 2 is also provided with a roller group 9 which can extend into the mounting groove 5; the driving mechanism 8 drives the supporting leg mechanism 6 to act through the connecting piece 7, and the shape of the supporting leg mechanism 6 is adjusted, so that the moving state and the supporting state of the foundation pit protective guard are adjusted.

In this embodiment, at least two notch grooves 10 communicated with the mounting groove 5 are uniformly formed upward along the bottom of the pillar 2, the number of the notch grooves 10 is preferably three, and an included angle between each notch groove 10 is 120 degrees.

The supporting leg mechanism 6 comprises a plurality of supporting legs 61, a connecting rod 62 matched with the supporting legs 61 and a second disc member 63 arranged in the mounting groove 5; the number of the supporting legs 61 is selected according to the notch grooves 10, in the embodiment, the number of the supporting legs 61 is three, and the supporting legs correspond to the three notch grooves 10 one by one; the number of the connecting rods 62 is selected according to the number of the supporting legs 61, in the embodiment, the number of the connecting rods 62 is three, and the connecting rods correspond to the three supporting legs 61 one by one; specifically, one end of each of the three legs 61 is hinged to the connecting member 7, the two ends of the connecting rod 62 are hinged to the corresponding leg 61 and the corresponding second disc member 63, and the second disc member 63 is slidably mounted in the mounting groove 5 and longitudinally slides along the mounting groove 5.

It should be added that the connecting member 7 is a first disc member, the first disc member is slidably installed in the installation groove 5 and moves longitudinally along the installation groove 5, and the first disc member is located above the second disc member 63; the driving mechanism 8 is an electric push rod, the electric push rod is arranged at the upper end of the mounting groove 5, and the first disc part is fixed on the push rod part of the electric push rod.

In this embodiment, a third disc member 11 is fixed in the mounting groove 5, and the third disc member 11 is located below the second disc member 63.

In this embodiment, the roller set 9 is installed in the installation groove 5 through the fourth disc member 12 and is located below the third disc member 11; a spring 13 is arranged between the third disc part 11 and the fourth disc part 12; the spacing ring is installed at the bottom of mounting groove 5, and this spacing ring can avoid fourth disc spare 12 to break away from mounting groove 5, and then avoids roller train 9 to break away from stand 2.

It should be added that under the action of the spring 13, the fourth disc member 12 is far away from the third disc member 11 and abuts against the limit ring; at this time, the roller set 9 extends out of the mounting groove 5 and faces the ground.

In this embodiment, the second disc member 63, the third disc member 11 and the fourth disc member 12 are all provided with an avoiding groove 14 adapted to the notch groove 10; when the leg mechanism 6 is stored, the escape groove 14 allows the leg 61 to completely enter the mounting groove 5.

In this embodiment, the supporting legs 61 are provided with the triggering protrusions 15 matched with the fourth disc member 12, and when the supporting leg mechanism 6 is accommodated, the three supporting legs 61 gradually rotate towards the axis direction of the upright post 2 and are finally parallel to the axis of the upright post 2; that is, the three supporting legs 61 gradually rotate and finally enter the avoiding groove 14 through the notch groove 10, then the driving mechanism 8 drives the supporting leg mechanism 6 to continuously move upwards, at the moment, the triggering convex block 15 on the supporting leg 61 drives the fourth disc part 12 to move upwards, and the pulley block is finally accommodated in the installation groove 5.

In this embodiment, the access window that communicates with mounting groove 5 is seted up to 2 lateral walls of stand, and this access window can help the maintainer to overhaul each mechanism in mounting groove 5.

It should be added that each leg 61 is provided with a fixing hole, so that each leg 61 can be fixed on a preset concrete fastener according to actual needs.

The utility model discloses a theory of operation does:

when the device is in the storage state: the guardrail body 1 and the upright post 2 are independently accommodated, and the first fixing lug 3 and the second fixing lug 4 are not connected through a fastener; the supporting leg mechanism 6 and the roller group 9 are both positioned in the mounting groove 5.

When the device needs to be used: the electric push rod drives the supporting leg mechanism 6 to move downwards along the mounting groove 5 through the first disc part, and in the process, due to the action of the spring 13, the fourth disc part 12 drives the roller set 9 to move downwards and extend out completely until the triggering bump 15 is separated from the limit of the fourth disc part 12; continuing, when the second disc member 63 abuts against the third disc member 11, the three legs 61 are opened outwards and finally form a supporting state, and at this time, the roller set 9 does not contact the ground; and then the guardrail body 1 is installed on the upright post 2 through a fastener, and the final installation is completed.

When the foundation pit protective fence needs to be integrally moved, the electric push rod drives the supporting leg mechanism 6 to continuously move downwards along the mounting groove 5 through the first disc part, the three supporting legs 61 continuously expand outwards until the roller group 9 contacts the ground, and the three supporting legs 61 are separated from the ground.

After the foundation pit protective fence is integrally moved to a proper position, the electric push rod drives the supporting leg mechanism 6 to move upwards along the mounting groove 5 through the first disc part, the three supporting legs 61 shrink towards the axis direction of the stand column 2 until the roller set 9 is separated from the ground, and the three supporting legs 61 are abutted to the ground.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a building foundation ditch rail guard, includes guardrail body (1) and installs stand (2) of guardrail body (1) both sides, its characterized in that: a first fixing lug (3) is installed on the side wall of the upright post (2), a second fixing lug (4) matched with the first fixing lug (3) is installed on the side wall of the guardrail body (1), and the first fixing lug (3) is connected with the second fixing lug (4) through a fastening piece;

an installation groove (5) penetrates upwards along the bottom of the upright post (2), a supporting leg mechanism (6) is installed in the installation groove (5), and the supporting leg mechanism (6) is connected with a driving mechanism (8) arranged in the installation groove (5) through a connecting piece (7); the bottom of the upright post (2) is also provided with a roller group (9) which can extend into the mounting groove (5); the driving mechanism (8) drives the supporting leg mechanism (6) to act through the connecting piece (7), and then the moving state and the supporting state of the foundation pit protective guard are adjusted.

2. The building foundation pit guard rail of claim 1, wherein: at least two notch grooves (10) communicated with the mounting groove (5) are uniformly formed upwards along the bottom of the upright post (2);

the supporting leg mechanism (6) comprises at least two supporting legs (61), a connecting rod (62) matched with the supporting legs (61) and a second disc piece (63) installed in the installation groove (5), each supporting leg (61) is correspondingly hinged to the connecting piece (7) and can be separated from the installation groove (5) through a corresponding notch groove (10); two ends of the connecting rod (62) are correspondingly hinged on the supporting leg (61) and the second disc part (63) respectively; the second disc part (63) is slidably mounted in the mounting groove (5) and longitudinally slides along the mounting groove (5).

3. The building foundation pit guard rail of claim 2, wherein: the connecting piece (7) is a first disc piece, and the first disc piece is slidably mounted in the mounting groove (5) and longitudinally slides along the mounting groove (5); the driving mechanism (8) is an electric push rod, the electric push rod is installed at the upper end of the installation groove (5), and the first disc piece is fixed on the push rod portion of the electric push rod.

4. The building foundation pit guard rail of claim 3, wherein: and a third disc part (11) is fixed in the mounting groove (5), and the third disc part (11) is positioned below the second disc part (63).

5. The building foundation pit guard rail of claim 4, wherein: the roller group (9) is arranged in the mounting groove (5) through a fourth disc component (12) and is positioned below the third disc component (11); and a spring (13) is arranged between the third disc part (11) and the fourth disc part (12).

6. The building foundation pit guard rail of claim 5, wherein: and avoidance grooves (14) matched with the notch grooves (10) are formed in the second disc part (63), the third disc part (11) and the fourth disc part (12).

7. The building foundation pit guard rail of claim 5, wherein: and the bottom of the mounting groove (5) is provided with a limiting ring.

8. The building foundation pit guard rail of claim 5, wherein: and the supporting leg (61) is provided with a triggering lug (15) matched with the fourth disc part (12).

9. The building foundation pit guard rail of claim 1, wherein: and the side wall of the upright post (2) is provided with an overhaul window communicated with the mounting groove (5).