CN217206478U

CN217206478U - Steep tunnel lining platform truck vehicle-mounted bumper

Info

Publication number: CN217206478U
Application number: CN202220730874.2U
Authority: CN
Inventors: 芦海停; 王奇武; 姚海艳; 单浩浩; 王伟玲; 丁运成; 石梦洁; 唐江兵; 代巍; 袁梦玲; 石冲
Original assignee: XINYANG POHE RESERVOIR ADMINISTRATION; China Gezhouba Group Three Gorges Construction Engineering Co Ltd
Current assignee: XINYANG POHE RESERVOIR ADMINISTRATION; China Gezhouba Group Three Gorges Construction Engineering Co Ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-08-16
Anticipated expiration: 2032-03-31

Abstract

The utility model provides a steep tunnel lining platform truck vehicle-mounted car fender, it includes the supporting body, the connecting seat, stabilizer blade and dog, be connected fixedly bottom the supporting body through the stabilizer blade, the connecting seat is connected with the supporting body front end, a plurality of dogs distribute in the both sides of platform truck rail heavy grade slope base section rather than being connected, the connecting seat is articulated with platform truck walking wheel support arm, the height of stabilizer blade is higher than the dog, the hypotenuse of stabilizer blade corresponds with the dog towards the uphill section of platform truck rail, when the platform truck takes place the slipperiness in the tunnel in the heavy grade section, drive the supporting body and slide to heavy grade slope base section, the stabilizer blade is blockked by the dog, make platform truck emergency braking, simultaneously because the tunnel section is narrow, platform truck emergency braking causes to topple by the tunnel card owner, do not continuing the slipperiness, avoid the casualties, reduce the loss.

Description

Steep tunnel lining platform truck vehicle-mounted bumper

Technical Field

The utility model belongs to the technical field of lining cutting platform truck safety protection, a abrupt slope tunnel lining cutting platform truck vehicle-mounted fender is related to.

Background

Tunnel engineering is widely applied in a plurality of fields, tunnel construction geological conditions are complex, operation space is limited, and hidden engineering quantity is large, so that tunnel construction safety and quality management need to be highly emphasized, wherein lining construction in tunnel engineering is directly related to tunnel engineering construction quality.

The tunnel lining trolley is special equipment which must be used for secondary lining in the tunnel construction process and is used for concrete lining construction of the inner wall of a tunnel, and the main structure of the tunnel lining trolley is a steel structure combined by plate beams. The trolley has large tonnage, dead weight of a large slope section can generate a downward component force, the trolley automatically slides downwards in a natural state, the shoe climbing type travelling mechanism cannot guarantee absolute safety of the trolley, and the trolley has potential safety hazards of slipping, failure and the like in a large-slope tunnel, so that mechanical damage and casualty safety accidents are caused, and the life and property safety of constructors is seriously threatened.

In order to solve the problems, the conventional operation method is that when the trolley finishes one concrete pouring and moves to the next station for the next concrete pouring, a rail clamping device is manually arranged at the tail end of the trolley so as to prevent the trolley from slipping and prevent the occurrence of collision accidents. The problem that exists is that, the manual repeated removal card rail ware of constructor has reduced the efficiency of construction, has improved the cost of labor, and has the potential safety hazard.

Disclosure of Invention

The utility model aims to solve the technical problem that a steep tunnel lining platform truck vehicle-mounted car fender is provided, moreover, the steam generator is simple in structure, adopt the stabilizer blade to be connected fixedly bottom the supporting body, the connecting seat is connected with the supporting body front end, a plurality of dogs distribute in the both sides of platform truck rail heavy grade slope bottom segment rather than being connected, the connecting seat is articulated with platform truck walking wheel support arm, the height of stabilizer blade is higher than the dog, the hypotenuse of stabilizer blade corresponds with the dog towards the section of ascending slope of platform truck rail, when the platform truck takes place the slipperiness in the tunnel heavy grade section, it slides to the heavy grade slope bottom segment to drive the supporting body, the stabilizer blade is blockked by the dog, make platform truck emergency braking, simultaneously because the tunnel section is narrow, platform truck emergency braking causes to overturn by the tunnel card owner, not continuing the slipperiness, avoid casualties, reduce the loss.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a steep tunnel lining trolley vehicle-mounted stop comprises a bearing body, a connecting seat, support legs and stop blocks; the connecting seat is positioned at the front end of the bearing body and connected with the bearing body, the plurality of support legs are positioned at the bottom of the bearing body and connected with the bearing body, and the plurality of stop blocks and the plurality of support legs are positioned on the same axis; the stop block is obliquely arranged, and the bottom of the bearing body obliquely arranged is not contacted with the stop block.

The supporting body comprises side plates connected with the two ends of the bottom plate and a box body formed by trapezoidal plates connected with the bottom plate and the side plates, and the connecting seat is connected with the side plates at the front end of the box body.

The connecting seat comprises a bolt which penetrates through the two lug plates and is matched with the lug plates, and the lug plates are connected with a higher side plate at one end of the bearing body.

The supporting legs are flat plates with right-angled trapezoid structures, the bottom side with the larger cross section is connected with the bottom plate of the bearing body, and the bevel edge faces to the front end of the bearing body.

The stop blocks are flat plates with rectangular structures, every two stop blocks are symmetrically arranged in a group, and each group is arranged at equal intervals.

The utility model discloses a main beneficial effect lies in:

the trolley rail at the bottom section of the large-gradient slope in the tunnel is provided with a stop block, and when the trolley slides, the support legs are stopped by the stop block.

The connecting seat at the front end of the bearing body is hinged with the trolley traveling wheel support arm, so that the bearing body moves synchronously along with the trolley.

The dog is the rectangle flat board, lays in platform truck rail both sides, and corresponds with the dog, and the stabilizer blade is right trapezoid's flat board, and its hypotenuse is towards the section of ascending slope of platform truck rail, and when the platform truck section of ascending slope moved, the hypotenuse and the dog sliding contact of stabilizer blade to make the supporting body can cross the dog in the section of ascending slope motion process.

When the trolley slides downwards at the uphill section, the right-angle edge of the support leg is abutted against the stop block when the bearing body moves downwards, so that the bearing body is prevented from moving downwards, and the trolley is correspondingly prevented from sliding downwards.

Because the section of tunnel is narrower, form emergency brake after the platform truck is blockked suddenly, make the platform truck turn on one's side easily, break away from the platform truck rail, the platform truck is blocked by the tunnel, avoids hindering tunnel slope bottom personnel and equipment.

Drawings

The invention will be further explained with reference to the following figures and examples:

fig. 1 is a use state diagram of the present invention.

Fig. 2 is a schematic view of the structure of the connection between the stop block and the trolley rail of the present invention.

Fig. 3 is a schematic structural view of the supporting body of the present invention.

Fig. 4 is a schematic top view of fig. 3.

Fig. 5 is a left side view of fig. 3.

In the figure: the supporting body 1, bottom plate 11, curb plate 12, trapezoidal board 13, connecting seat 2, otic placode 21, bolt 22, stabilizer blade 3, dog 4.

Detailed Description

As shown in fig. 1 to 5, a vehicle-mounted stop of a steep tunnel lining trolley comprises a bearing body 1, a connecting seat 2, a support leg 3 and a stop block 4; the connecting seat 2 is positioned at the front end of the supporting body 1 and connected with the supporting body, the plurality of support legs 3 are positioned at the bottom of the supporting body 1 and connected with the supporting body, and the plurality of stop blocks 4 and the plurality of support legs 3 are positioned on the same axis; the stop block 4 is obliquely arranged, and the bottom of the bearing body 1 which is obliquely arranged is not contacted with the stop block 4. When the trolley is used, when the trolley slips in a large-gradient section in a tunnel, the bearing body 1 is driven to slide towards the bottom section of the large-gradient slope, the support legs 3 are blocked by the stop blocks 4, so that the trolley is emergently braked, and meanwhile, because the section of the tunnel is narrow, the trolley is emergently braked to cause overturning to be blocked by the tunnel, so that the trolley does not slip continuously, casualties are avoided, and loss is reduced.

In a preferred scheme, the supporting body 1 comprises a side plate 12 connected with two ends of a bottom plate 11, and a box body consisting of a trapezoidal plate 13 connected with the bottom plate 11 and the side plate 12, and the connecting seat 2 is connected with the side plate 12 at the front end of the box body. When in manufacturing, the supporting body 1 is made of a steel plate to improve the strength; when in use, the box body of the bearing body 1 can be filled with sand to improve the self weight.

Preferably, the trapezoidal plate 13 has a trapezoidal structure, so that the height of the side plate 12 connected to one end of the supporting body 1 is different from that of the other end, i.e. the two ends of the supporting body 1 are connected to each other.

In a preferred scheme, the connecting seat 2 comprises a bolt 22 which penetrates through two lug plates 21 to be matched with the two lug plates, and the lug plates 21 are connected with a side plate 12 at one higher end of the carrier body 1. During installation, the two connecting seats 2 correspond to the trolley travelling wheel support arms respectively, the two lug plates 21 are positioned on two sides of the support arms, and the bolts 22 penetrate through the lug plates 21 and the support arms to form hinged connection.

In a preferred embodiment, the supporting legs 3 are flat plates with a right trapezoid structure, the bottom side with a larger cross section is connected with the bottom plate 11 of the supporting body 1, and the oblique side faces the front end of the supporting body 1. In use, the hypotenuse of the foot 3 faces the upward direction of the trolley, the smaller top edge of the cross section is in sliding contact with the trolley rail, and when passing over the stop 4, the hypotenuse of the foot 3 is in sliding contact with the stop 4.

In a preferred scheme, the stop blocks 4 are flat plates with rectangular structures, every two of the flat plates are symmetrically arranged in one group, and each group is arranged at equal intervals. During the use, when supporting body 1 along with the in-process of platform truck motion, the dog 4 and the stabilizer blade 3 that distribute in platform truck rail both sides are located the same axis, and the platform truck is not influenced when passing dog 4 when moving to the uphill section, only when the platform truck is to downhill section slipperiness, thereby dog 4 blocks stabilizer blade 3 and blocks the platform truck slipperiness.

The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the features in the embodiments and the examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims

1. The utility model provides a steep tunnel lining platform truck vehicle-mounted car keeps off, characterized by: the device comprises a bearing body (1), a connecting seat (2), a support leg (3) and a stop block (4); the connecting seat (2) is positioned at the front end of the bearing body (1) and connected with the bearing body, the support legs (3) are positioned at the bottom of the bearing body (1) and connected with the bearing body, and the stop blocks (4) and the support legs (3) are positioned on the same axis; the stop block (4) is obliquely arranged, and the bottom of the bearing body (1) which is obliquely arranged is not contacted with the stop block (4).

2. The steep tunnel lining trolley truck-mounted stop of claim 1, characterized in that: the supporting body (1) comprises side plates (12) connected with the two ends of a bottom plate (11) and a box body consisting of trapezoidal plates (13) connected with the bottom plate (11) and the side plates (12), and the connecting seat (2) is connected with the side plates (12) at the front end of the box body.

3. The steep tunnel lining trolley truck-mounted stop of claim 1, characterized in that: the connecting seat (2) comprises a bolt (22) which penetrates through the two lug plates (21) and is matched with the lug plates, and the lug plates (21) are connected with a side plate (12) with a higher end of the bearing body (1).

4. The steep tunnel lining trolley truck-mounted stop of claim 1, characterized in that: the supporting leg (3) is a flat plate with a right-angled trapezoid structure, the bottom side with the larger cross section is connected with the bottom plate (11) of the bearing body (1), and the oblique side faces the front end of the bearing body (1).

5. The steep tunnel lining trolley truck-mounted stop of claim 1, characterized in that: the stop blocks (4) are flat plates with rectangular structures, every two stop blocks are symmetrically arranged in a group, and each group is arranged at equal intervals.