CN214463182U

CN214463182U - Foundation ditch rail guard convenient to dismouting

Info

Publication number: CN214463182U
Application number: CN202023250575.9U
Authority: CN
Inventors: 赵建美; 吴永乐; 王超
Original assignee: Tianjin Yuanyuan Construction Engineering Co ltd
Current assignee: Tianjin Yuanyuan Construction Engineering Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-10-22
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a foundation pit protective fence convenient for disassembly and assembly, which relates to the technical field of foundation pit protection and comprises a support rod and a net piece, wherein the lower end of the support rod is fixedly provided with a mounting plate, and four mounting holes are arranged on the mounting plate; two mounting grooves are formed in the two sides of the support rod along the extension direction of the foundation pit protective guard, and a fixed cavity is formed at the bottom of each mounting groove; the supporting rod is formed with a lock hole, and a limiting groove is formed on the wall of the lock hole; a lock tongue is arranged in the lock hole in a sliding manner, a shaft shoulder matched with the limiting groove in a sliding manner is fixedly arranged on the lock tongue, and a first spring is fixedly connected between the shaft shoulder and the wall of the limiting groove; the both sides of net piece length direction all are fixed and are provided with the fixed block, and the shaping has the lock hole on the fixed block. The utility model provides a can carry out the dismouting fast conveniently, and firm reliable, the high foundation ditch rail guard of dismouting of being convenient for of security.

Description

Foundation ditch rail guard convenient to dismouting

Technical Field

The utility model relates to a foundation ditch protection technical field especially relates to a foundation ditch rail guard convenient to dismouting.

Background

The foundation pit is a pit dug by installing a base elevation and a base plane size at a base design position, belongs to temporary engineering, generally needs to arrange guard rails around the foundation pit for preventing safety accidents, and then needs to be removed after the engineering is finished.

The invention patent with the prior publication number of CN105888272A discloses that a mesh is a foundation pit protective guard, which comprises two upright posts, a mesh frame and a mesh, wherein connecting blocks are arranged outside the two sides of the mesh frame, mounting blocks matched with the connecting blocks are arranged on the two sides of the upright posts, and mounting holes are arranged on the mounting blocks and the connecting blocks; two support rods which are perpendicular to each other are arranged in the mesh frame, and a first support spring is arranged between the inner side of the mesh frame and each support rod; a rain shield is arranged at the top of the mesh frame; the bottom end of the mesh frame is provided with a base, and the surface of the base is provided with a reflective coating layer.

By adopting the technical scheme, the net sheets are fixedly connected with the net sheet frame through the bolts during installation, the engineering quantity is large during actual use, the installation and disassembly efficiency is low, and the construction progress is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a foundation ditch rail guard convenient to dismouting utilizes the fixed slot to the limiting displacement of fixed plate and the locking effect of spring bolt to the fixed plate, when guaranteeing that the net piece can stabilize the installation, makes the installation simplify, improves the installation and the dismantlement efficiency of this foundation ditch rail guard.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a foundation pit protective fence convenient to disassemble and assemble comprises a supporting rod and a net piece, wherein a mounting plate is fixedly arranged at the lower end of the supporting rod, and four mounting holes are formed in the mounting plate; two mounting grooves are formed in the strut along one side of the extension direction of the foundation pit protective guard, and a fixed cavity is formed at the bottom of each mounting groove; the supporting rod is provided with a lock hole, and a limiting groove coaxial with the lock hole is formed in the supporting rod; a lock tongue is arranged in the lock hole in a sliding manner, a shaft shoulder matched with the limiting groove in a sliding manner is fixedly arranged on the lock tongue, and a first spring is fixedly connected between the shaft shoulder and the wall of the limiting groove; the mesh is characterized in that fixed blocks are fixedly arranged on two sides of the mesh in the length direction, and lock holes are formed in the fixed blocks.

By adopting the technical scheme, the mounting plate is fixed on the flat ground at the edge of the foundation pit through the foundation bolt in the mounting process, then the operator pushes the fixing block into the mounting groove, and the fixing block enters the fixing cavity and is sunk to the bottom of the fixing cavity under the gravity of the net piece. In the process, the fixing block presses the spring bolt downwards to enable the spring bolt to return to the limiting groove, and when the fixing block sinks to the bottom of the fixing cavity, the spring bolt is pushed by the first spring to extend into the lock hole to lock the fixing plate in the fixing cavity. The reverse of the above process is performed when the mesh is detached. By the aid of the method, the mesh can be quickly and conveniently disassembled, and meanwhile, the mesh can be stably and firmly installed.

The utility model discloses further set up to: the horizontal section of the fixing block is T-shaped.

By adopting the technical scheme, the net piece can be smoothly installed on the supporting rod after being turned upside down, so that an operator can conveniently install the net piece.

The utility model discloses further set up to: a knob is coaxially and rotatably arranged at one end of the lock tongue, which extends out of the support rod; inclined planes are formed on the upper side and the lower side of the supporting rod, which are positioned in the lock hole.

By adopting the technical scheme, the knob is rotated by an operator, the knob is rotated to the inclined plane, the lock tongue is pulled out of the lock hole and is kept in the state, the fixing plate is unlocked, and the process of detaching the mesh from the operator is greatly improved.

The utility model discloses further set up to: the mesh comprises two segments hinged to each other.

By adopting the technical scheme, the net piece can be folded, and is convenient to store and carry.

The utility model discloses further set up to: a card is fixedly arranged on one of the sub-sheets, and a card hole is formed in the card; a clamping hook is rotatably arranged on the other separating sheet, and a second spring is fixedly connected between the clamping hook and the separating sheet.

By adopting the technical scheme, after the folded mesh is unfolded, the two split sheets are fixed by the clamping action of the clamping hooks on the clamping holes, so that the stability of the mesh in the installation and use processes is improved.

The utility model discloses further set up to: a lamp groove is formed in the upper end of the supporting rod, and a solar warning lamp is installed in the lamp groove.

By adopting the technical scheme, the solar warning lamp can play a warning role at night, reminds operators to pay attention to the foundation pit, prevents the foundation pit protective guard from being mistakenly collided, and ensures the protective effect of the foundation pit protective guard.

The utility model discloses further set up to: the net piece is detachably connected with a warning board, and the edge of the warning board is coated with a reflective layer.

Through adopting above-mentioned technical scheme, the warning sign can play the warning effect, reminds the operation personnel to notice the foundation ditch, will the passive protection of foundation ditch rail guard converts the initiative protection into, effectively improves the protective action of foundation ditch rail guard.

The utility model discloses further set up to: the lower part of the supporting rod is fixedly provided with an inserting groove, and a baffle is inserted in the inserting groove.

By adopting the technical scheme, the baffle can prevent sundries such as broken stones at the edge of the foundation pit from rolling into the foundation pit due to unexpected factors to injure operators in the foundation pit, and the safety of the foundation pit protective guard is effectively improved.

To sum up, the utility model discloses a beneficial technological effect does:

(1) the fixing groove is used for limiting the fixing plate, so that the installation process is simplified, and the installation and disassembly efficiency of the foundation pit protective guard is improved;

(2) the locking effect of the lock tongue on the fixing plate is utilized to ensure the stability of the installation of the net piece;

(3) through setting up the baffle, debris such as rubble that prevent the foundation ditch edge roll to the foundation ditch in because of unexpected factor, injure the operation personnel in the foundation ditch by a crashing object, effectively improve the security of foundation ditch rail guard.

Drawings

Fig. 1 is a schematic view of the overall structure of an embodiment of the present invention;

fig. 2 is a rear view of an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along the centerline of the strut in an embodiment of the present invention, showing primarily the structure of the strut;

fig. 4 is a partial enlarged view of a portion a in fig. 2, which mainly shows the structure of the hook;

fig. 5 is a partial enlarged view of a portion B in fig. 3, which mainly shows the structure of the latch bolt.

Reference numerals: 1. a strut; 2. a mesh sheet; 201. slicing; 3. mounting a plate; 4. mounting holes; 5. mounting grooves; 6. A fixed cavity; 7. a lock aperture; 8. a limiting groove; 9. a latch bolt; 10. a shaft shoulder; 11. a first spring; 12. a knob; 13. a bevel; 14. a card; 15. a clamping hole; 16. a hook; 17. a second spring; 18. a fixed block; 19. a lamp slot; 20. a warning light; 21. a warning board; 22. inserting grooves; 23. a baffle plate; 24. and (6) locking holes.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying examples.

Referring to the attached drawings, the foundation pit protective fence convenient to disassemble and assemble comprises a supporting rod 1 and a net piece 2, wherein a mounting plate 3 is fixedly arranged at the lower end of the supporting rod 1, and four mounting holes 4 are vertically formed in four corners of the mounting plate 3 respectively. During installation, the mounting plate 3 is fixed on a flat ground at the edge of the foundation pit through foundation bolts. One side shaping of branch 1 has two mounting grooves 5, and the shaping has fixed chamber 6 at the bottom of mounting groove 5, and fixed chamber 6 combines the shape on horizontal cross-section for the T with mounting groove 5. Two lock holes 7 are formed in the supporting rod 1, and the lock holes 7 are located on one side of the fixing cavity 6. And a limiting hole coaxial with the lock hole 7 is formed on the supporting rod 1. A lock tongue 9 is arranged in the lock hole 7 in a sliding manner, a shaft shoulder 10 which is matched with the limiting groove 8 in a sliding manner is fixedly arranged on the lock tongue 9, a first spring 11 is fixedly connected between the shaft shoulder 10 and the wall of the limiting groove 8, and a knob 12 is coaxially and rotatably arranged at one end, extending out of the support rod 1, of the lock tongue 9; inclined planes 13 are formed on the upper side and the lower side of the lock hole 7 on the supporting rod 1. The operator rotates the knob 12 to rotate the knob 12 onto the ramp 13 and the bolt 9 will retract into the lock aperture 7 and remain so.

The mesh 2 comprises two segments 201 which are hinged with each other, wherein a card 14 is fixedly arranged on one segment 201, and a card hole 15 is formed in the card 14; a hook 16 is rotatably arranged on the other sub-piece 201, and a second spring 17 is fixedly connected between the hook 16 and the sub-piece 201. After the folded mesh sheet 2 is unfolded, the two split sheets 201 are fixed by the clamping action of the clamping hooks 16 on the clamping holes 15, so that the stability of the mesh sheet 2 in the installation and use processes is improved. T-shaped fixing blocks 18 are fixedly arranged on two sides of the mesh 2 in the length direction, and locking holes 24 are formed in the fixing blocks 18. In the installation process, an operator pushes the fixing block 18 into the installation groove 5, and after the fixing block 18 enters the fixing cavity 6, the fixing block 18 is sunk to the bottom of the fixing cavity 6 under the self gravity of the net piece 2. In the process, the fixed block 18 presses the bolt 9 downwards to enable the bolt 9 to return to the limiting groove 8, and when the fixed block 18 sinks to the bottom of the fixed cavity 6, the bolt 9 is pushed by the first spring 11 to extend into the lock hole 24, so that the fixed plate is locked in the fixed cavity 6. The mesh 2 can be rapidly and conveniently disassembled and assembled in the mode, and meanwhile, the stable fastening of the installation of the mesh 2 can be ensured.

The upper end of the supporting rod 1 is provided with a lamp groove 19, and a solar warning lamp 20 is arranged in the lamp groove 19. All be provided with warning sign 21 on every burst 201, warning sign 21 is connected with net piece 2 through the couple, and the edge coating of warning sign 21 has the reflector layer. Warning light 20 and warning sign 21 homoenergetic are enough played the warning effect, remind the operation personnel to notice the foundation ditch, convert the passive protection of foundation ditch rail guard into the initiative protection, effectively improve the guard action of foundation ditch rail guard. The lower part of the supporting rod 1 is fixedly provided with an inserting groove 22, and a baffle plate 23 is inserted in the inserting groove 22.

The working principle of the embodiment is as follows: in the installation process, the installation plate 3 is firstly fixed on the flat ground at the edge of the foundation pit through the foundation bolt, then an operator pushes the fixing block 18 into the installation groove 5, and after the fixing block 18 enters the fixing cavity 6, the fixing block 18 is sunk into the bottom of the fixing cavity 6 under the gravity of the net piece 2 and is locked by the locking tongue 9. When the net sheet 2 is detached, the operator rotates the knob 12 to unlock the fixing plate, and then the net sheet 2 can be detached smoothly.

Above, only be the specific implementation of the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a foundation ditch rail guard convenient to dismouting, includes branch (1) and net piece (2), its characterized in that: the lower end of the support rod (1) is fixedly provided with an installation plate (3), and four installation holes (4) are formed in the installation plate (3); two mounting grooves (5) are formed in the support rod (1) along one side of the extension direction of the foundation pit protective guard, and fixing cavities (6) are formed at the bottoms of the mounting grooves (5); two lock holes (7) are formed in the support rod (1), and a limiting groove (8) coaxial with the lock holes (7) is formed in the support rod (1); a lock tongue (9) is arranged in the lock hole (7) in a sliding manner, a shaft shoulder (10) which is matched with the limiting groove (8) in a sliding manner is fixedly arranged on the lock tongue (9), and a first spring (11) is fixedly connected between the shaft shoulder (10) and the wall of the limiting groove (8); the mesh is characterized in that fixed blocks (18) are fixedly arranged on two sides of the mesh (2) in the length direction, and lock holes (24) are formed in the fixed blocks (18).

2. A foundation pit protective fence convenient to dismount and mount according to claim 1, wherein: the horizontal section of the fixing block (18) is T-shaped.

3. A foundation pit protective fence convenient to dismount and mount according to claim 1, wherein: a knob (12) is coaxially and rotatably arranged at one end of the lock tongue (9) extending out of the support rod (1); inclined planes (13) are formed on the upper side and the lower side of the support rod (1) which are positioned in the lock hole (7).

4. A foundation pit protective fence convenient to dismount and mount according to claim 1, wherein: the mesh (2) comprises two segments (201) hinged to each other.

5. A foundation pit protective fence convenient to dismount and mount according to claim 4, wherein: a card (14) is fixedly arranged on one of the sub-sheets (201), and a card hole (15) is formed in the card (14); a hook (16) is rotatably arranged on the other of the sub-pieces (201), and a second spring (17) is fixedly connected between the hook (16) and the sub-piece (201).

6. A foundation pit protective fence convenient to dismount and mount according to claim 1, wherein: a light trough (19) is formed in the upper end of the support rod (1), and a solar warning lamp (20) is installed in the light trough (19).

7. A foundation pit protective fence convenient to dismount and mount according to claim 1, wherein: the warning board is characterized in that a warning board (21) is detachably connected to the mesh (2), and a reflective layer is coated on the edge of the warning board (21).

8. A foundation pit protective fence convenient to dismount and mount according to claim 1, wherein: the lower part of the supporting rod (1) is fixedly provided with an inserting groove (22), and a baffle plate (23) is inserted in the inserting groove (22).