Linkage type hole protecting device

Abstract

The utility model belongs to the technical field of constructional engineering protection devices, and particularly relates to a linkage type hole protection device. The utility model provides a linkage type hole protecting device, which is characterized in that a mounting bracket unit and a linkage rope body unit are arranged on a protective door and a door frame, so that the mounting bracket unit is overhung on the door frame, the linkage rope body unit is arranged on the mounting bracket unit, and the linkage rope body unit is respectively connected with the protective door and a well lid; when the protective door is opened, the well lid is opened under the influence of traction force of the linkage rope body unit, when the protective door is closed, the well lid is closed under the influence of gravity, when the protective door is opened and closed, the well lid is also opened and closed in a linkage mode, construction inspection is facilitated, and operation is easy and convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of building engineering protection devices, in particular to a linkage type hole protection device. Background Art

[0002] The water collection well on the building is a well built around the building to form a local water collection, which is easy to discharge and achieve the purpose of waterless construction in the foundation pit. There will be many pipelines arranged around the water collection well. At the same time, due to the existence of the water collection well, the construction of the water collection well is inconvenient, and the construction workers are prone to fall, which poses certain safety hazards. The existing water collection well protection devices mainly include guardrails, manhole covers and protective doors.

[0003] The Chinese utility model patent with patent announcement number CN202467521U and announcement date 2012.10.03 discloses a self-closing protective door with attached pipe for reserved openings in construction projects. The structure includes a protective door leaf, an anti-collision guard plate, a door leaf fixing seat, a door frame fixing plate, a limiting outer baffle plate, a limiting inner baffle plate, a return tension spring, an inner fixing plate of the tension spring, an outer fixing plate of the tension spring, a steel pipe clamp, a door leaf rotating shaft, a door leaf protective net, and a scaffolding column steel pipe.

[0004] The general structural principle of the self-closing protective door with attached tube for reserved openings in construction projects in this utility model patent is as follows: the door frame fixing plate is installed on the scaffolding column steel pipe outside the floor opening, and the U-shaped steel pipe clamp is used to fix the scaffolding column steel pipe. The protective door leaf uses the door leaf rotating shaft to pass it through the upper and lower holes of the door leaf fixing seat so that it is fixed to the door frame fixing plate on the scaffolding column steel pipe, the return tension spring is respectively installed on the tension spring inner fixing plate and the tension spring outer fixing plate, and the limit outer baffle plate and the limit inner baffle plate are respectively installed on the protective door leaf and the door leaf fixing seat.

[0005] However, the protective door still has at least the following deficiencies during actual use, in other words, which are the technical problems to be solved by the present utility model.

[0006] After the protective door is opened, the manhole cover at the entrance needs to be opened manually for inspection, and there is a lack of linkage between the protective door and the manhole cover.

[0007] Therefore, in summary, there is an urgent need for a new type of hole protection device with a protective door and a manhole cover linked switch. Utility Model Content

[0008] The utility model provides a linkage type hole opening protection device, which can be achieved by arranging a mounting bracket unit and a linkage rope unit on a protective door and a door frame, so that: the mounting bracket unit is cantilevered on the door frame, the linkage rope unit is arranged on the mounting bracket unit, the linkage rope unit is respectively connected to the protective door and the manhole cover, when the protective door is opened, the manhole cover is opened under the influence of the traction force of the linkage rope unit, and when the protective door is closed, the manhole cover is closed under the influence of gravity, and when the protective door is opened and closed, the manhole cover is also opened and closed in a linkage manner, which is convenient for construction inspection and simple and convenient to operate.

[0009] The technical solution adopted by the utility model to solve the above-mentioned problem is: a linkage type hole protection device, the structure of which includes a protective door, a door frame, a protective fence, and also includes a mounting bracket unit arranged on the door frame, and a linkage rope unit arranged on the mounting bracket unit and connected to the protective door and used for opening and closing the manhole cover.

[0010] A further preferred technical solution is that the mounting bracket unit includes two side panels arranged on the door frame, and a mounting plate arranged on the side panels.

[0011] A further preferred technical solution is that the linkage rope unit includes a pulley arranged on the lower end of the mounting plate, and a traction rope with two ends respectively arranged on the protective door and the manhole cover and used to connect the pulley.

[0012] A further preferred technical solution is that the linkage rope unit also includes a limiting ring arranged on the upper end surface of the door frame and used for inserting the traction rope.

[0013] A further preferred technical solution is that a pull ring for inserting the traction rope is provided on the manhole cover.

[0014] A further preferred technical solution is that the linkage rope unit further includes a hook which is arranged on the traction rope and is used to hook the pull ring.

[0015] A further preferred technical solution is that the linkage rope unit also includes a wire storage box which is arranged on the traction rope and is used to connect to the manhole cover by extending.

[0016] A further preferred technical solution is that the protective door is provided with a manhole cover anti-fall latch for inserting into the ground in the open state.

[0017] A further preferred technical solution is that a fixed hole plate for inserting the manhole cover anti-fall plug is provided on the ground.

[0018] A further preferred technical solution is that the mounting bracket unit further includes an intermediate plate which is arranged on the door frame and is used for reinforcing the connection with the mounting plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the utility model.

[0020] Figure 2 This is a position structure diagram of the mounting bracket unit in the utility model from a top view.

[0021] Figure 3 This is a position structure diagram of the linkage rope unit in the utility model from a side view.

[0022] Figure 4 This is an enlarged view of the connection between the linkage rope unit and the manhole cover in the utility model.

[0023] Figure 5 This is a position structure diagram of the wire storage box in the utility model.

[0024] Figure 6 It is a schematic diagram of the position of the latch pin in the utility model.

[0025] Figure 7 It is a connection schematic diagram of the latch and the fixed hole plate in the utility model.

[0026] Figure 8 It is a partial enlarged view of point A of the present utility model.

[0027] Fig. 9 It is a schematic diagram of the protective door of the utility model in a closed state.

[0028] In the figure, the meanings of the symbols are as follows:

[0029] Manhole cover a, hole b, ground c;

[0030] Protective door 11, door frame 12, protective fence 13;

[0031] Install the bracket unit 1, the linkage rope unit 2, the pull ring 3, the manhole cover anti-falling latch 4, and the fixed hole plate 5;

[0032] Side plate 101 , mounting plate 102 , middle plate 103 , pulley 201 , traction rope 202 , limiting ring 203 , hook 204 , wire storage box 205 . DETAILED DESCRIPTION

[0033] The following description is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention.

[0034] As attached Figure 1-9As shown, a linkage type hole protection device comprises a protective door 11, a door frame 12, a protective fence 13, and also comprises a mounting bracket unit 1 arranged on the door frame 12, and a linkage rope unit 2 arranged on the mounting bracket unit 1, connected to the protective door 11, and used for opening and closing the manhole cover a.

[0035] In this embodiment, the opening b is covered by the manhole cover a, one end of which is fixed on the ground and the other end is connected to the linkage rope unit 2, so as to open the manhole cover a and facilitate the inspection of the opening b. The guardrail 13, the door frame 12 and the guard door 11 surround the opening b to prevent construction workers from falling into the opening b.

[0036] In addition, the mounting bracket unit 1 is arranged on the door frame 12 and cantilevered above the manhole cover a, and is used to install the linkage rope unit 2.

[0037] Finally. The linkage rope unit 2 is arranged on the mounting bracket unit 1, located above the manhole cover a and away from the protective door 11, so that the linkage rope unit 2 can more conveniently open the manhole cover a to a larger angle. One end of the linkage rope unit 2 is connected to the protective door 11, and the other end is connected to the manhole cover a. Due to the length limitation of the linkage rope unit 2, when the protective door 11 is opened, the manhole cover a will be opened at the same time. Similarly, when the protective door 11 is closed, the manhole cover a will be closed by gravity, thereby realizing the linkage opening and closing of the protective door 11 and the manhole cover a, which is convenient for construction inspection.

[0038] The mounting bracket unit 1 includes two side panels 101 disposed on the door frame 12 and a mounting plate 102 disposed on the side panels.

[0039] In this embodiment, the side panel 101 is arranged on the door frame 12, and is used to cantilever the mounting plate 102 toward the manhole cover a, so as to facilitate the linkage rope unit 2 to drive the manhole cover a to open and close. The mounting plate 102 is used to install the linkage rope unit 2, so that the operation of the linkage rope unit 2 is stable.

[0040] The linkage rope unit 2 includes a pulley 201 arranged on the lower end of the mounting plate 102 , and a traction rope 202 whose two ends are respectively arranged on the protective door 11 and the manhole cover a and used to connect the pulley 201 .

[0041] In this embodiment, the pulley 201 is installed at the lower end of the mounting plate 102, and the traction rope 202 wound on the pulley 201 is respectively connected to the protective door 11 and the manhole cover a, so as to synchronize the movement states of the two. The material of the traction rope 202 can be steel wire or inelastic nylon rope, etc.

[0042] The linkage rope unit 2 further includes a limiting ring 203 disposed on the upper end surface of the door frame 12 and used for inserting the traction rope 202 .

[0043] In this embodiment, the function of the limiting ring 203 is to prevent the traction rope 202 from being entangled or affecting the normal use of the linkage hole protection device due to the deviation of the traction rope 202. The limiting ring 203 is arranged on the upper end surface of the door frame 12 and can be located at the same level as the pulley 201, thereby reducing the difficulty of opening the protective door 11.

[0044] The manhole cover a is provided with a pull ring 3 for inserting the traction rope 202 .

[0045] In this embodiment, the pull ring 3 is arranged on the manhole cover a, and its function is to facilitate fixation with the traction rope 202, reduce the connection difficulty, and improve the stability of opening and closing the manhole cover a.

[0046] The linkage rope unit 2 further includes a hook 204 disposed on the traction rope 202 and used for hooking the pull ring 3 .

[0047] In this embodiment, the hook 204 is a self-locking safety hook, which is used to hook the pull ring 3 to connect the manhole cover a. At the same time, it is convenient to replace or disassemble the connection between the traction rope 202 and the manhole cover a, and it is convenient for the recycling of the linkage hole protection device.

[0048] The linkage rope unit 2 also includes a wire storage box 205 which is arranged on the traction rope 202 and is used to connect to the manhole cover a by stretching.

[0049] In this embodiment, the wire storage box 205 is a commercially available product. By adjusting the extended length of the rope in the wire storage box 205, the problem that the traction rope 202 cannot be connected to the manhole cover a due to insufficient length is solved, so that the linkage hole protection device can be applied to a variety of situations of the manhole cover a, and the application scenarios are more flexible.

[0050] The protection door 11 is provided with a manhole cover anti-falling latch 4 for inserting into the ground c in the open state.

[0051] In this embodiment, since the traction rope 202 connects the protective door 11 and the manhole cover a together, the protective door 11 will be closed after being pulled by the gravity of the manhole cover a after being opened. However, the protective door 11 or the manhole cover a needs to remain open in some cases. Therefore, the manhole cover anti-falling latch 4 is provided. After the protective door 11 is opened, it is fixed to the ground c by the manhole cover anti-falling latch 4, so that the protective door 11 and the manhole cover a remain in an open state.

[0052] A fixing hole plate 5 for inserting the manhole cover anti-falling plug 4 is provided on the ground c.

[0053] In this embodiment, the fixed hole plate 5 is used to insert the manhole cover anti-fall pin 4. The manhole cover anti-fall pin 4 is subjected to inward pulling force. The bearing capacity of the ground c on the manhole cover anti-fall pin 4 is limited. In order to further strengthen the fixing strength of the manhole cover anti-fall pin 4, the fixed hole plate 5 is arranged on the ground c to fix it.

[0054] The mounting bracket unit 1 further includes an intermediate plate 103 disposed on the door frame 12 and used for reinforcing the connection with the mounting plate 102 .

[0055] In this embodiment, the intermediate plate 103 is vertically disposed at the upper end of the door frame 12 and connected to the mounting plate 102 to ensure the supporting strength of the mounting plate 102. Fig. 9 As shown, the side panels 101 can be arranged on both ends of the side surfaces of the door frame 12 , so that the side panels 101 and the middle panels 103 support the mounting plate 102 in a staggered manner, further increasing the supporting strength of the mounting bracket unit 1 .

[0056] The above is a detailed description of the implementation of the utility model in conjunction with the accompanying drawings, but the utility model is not limited to the above implementation. Various modifications can be made within the knowledge of ordinary technicians in the technical field without departing from the purpose of the utility model. These are all non-creative modifications and are protected by patent law as long as they are within the scope of the claims of the utility model.

Claims

1. A linkage type hole protection device, comprising a protection door (11), a door frame (12), and a protection fence (13), characterized in that: It also comprises a mounting bracket unit (1) arranged on the door frame (12), and a linkage rope unit (2) arranged on the mounting bracket unit (1), connected to the protective door (11) and used for opening and closing the manhole cover (a).

2. A linkage type hole protection device according to claim 1, characterized in that: The mounting bracket unit (1) comprises two side panels (101) arranged on the door frame (12), and a mounting plate (102) arranged on the side panels.

3. A linkage type hole protection device according to claim 2, characterized in that: The linkage rope unit (2) comprises a pulley (201) arranged on the lower end of the mounting plate (102), and a traction rope (202) whose two ends are respectively arranged on the protective door (11) and the manhole cover (a) and used to connect the pulley (201).

4. A linkage type hole protection device according to claim 3, characterized in that: The linkage rope unit (2) further comprises a limiting ring (203) which is arranged on the upper end surface of the door frame (12) and is used for passing the traction rope (202).

5. The linkage type hole protection device according to claim 3, characterized in that: The manhole cover (a) is provided with a pull ring (3) for inserting the traction rope (202).

6. A linkage type hole protection device according to claim 5, characterized in that: The linkage rope unit (2) further comprises a hook (204) arranged on the traction rope (202) and used for hooking the pull ring (3).

7. The linkage type hole protection device according to claim 3, characterized in that: The linkage rope unit (2) further comprises a wire storage box (205) which is arranged on the traction rope (202) and is used to connect to the manhole cover (a) by means of extension.

8. The linkage type hole protection device according to claim 1, characterized in that: The protection door (11) is provided with a manhole cover anti-falling latch (4) for inserting into the ground (c) in an open state.

9. A linkage type hole protection device according to claim 8, characterized in that: A fixed hole plate (5) for inserting the manhole cover anti-falling plug (4) is provided on the ground (c).

10. A linkage type hole protection device according to claim 2, characterized in that: The mounting bracket unit (1) further comprises an intermediate plate (103) which is arranged on the door frame (12) and is used for reinforcing the connection with the mounting plate (102).

Images