CN219650292U - Tunnel top construction roughening device - Google Patents
Tunnel top construction roughening device Download PDFInfo
- Publication number
- CN219650292U CN219650292U CN202320512628.4U CN202320512628U CN219650292U CN 219650292 U CN219650292 U CN 219650292U CN 202320512628 U CN202320512628 U CN 202320512628U CN 219650292 U CN219650292 U CN 219650292U
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- CN
- China
- Prior art keywords
- rod
- roughening
- universal joint
- connecting rod
- transparent cover
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- 238000007788 roughening Methods 0.000 title claims abstract description 56
- 238000010276 construction Methods 0.000 title claims abstract description 34
- 239000000428 dust Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 4
- 230000002411 adverse Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Abstract
The utility model discloses a roughening device for tunnel top construction. The device comprises a bracket, a base, a transparent cover and a roughening drill bit, wherein the bottom of the bracket is arranged on the base through a universal shaft, and the transparent cover and the roughening drill bit are arranged at the top of the bracket; the bracket comprises an adjusting rod, a first connecting rod, a second connecting rod, a supporting rod and a counterweight rod; the adjusting rod and the supporting rod are vertically arranged; one end of the first connecting rod is connected to the middle part of the adjusting rod through a hinge, the middle part of the first connecting rod is connected to the upper part of the supporting rod through a hinge, and the other end of the first connecting rod is connected with a counterweight rod through rotation; one end of the second connecting rod is connected to the lower part of the adjusting rod through a hinge, and the other end of the second connecting rod is connected to the middle part of the supporting rod through a hinge. The device can stretch up and down and rotate in any direction, and can perform roughening construction on the top of the tunnel wall, so that the roughening efficiency can be improved, one end of the device is provided with the counterweight rod, the counterweight rod can be detached at will, the weight difference of two sides of the supporting rod is small, and construction operation by workers is facilitated.
Description
Technical Field
The utility model belongs to the technical field of highway tunnel maintenance construction, and particularly relates to a tunnel top construction roughening device.
Background
In recent years, the industry of China highway tunnels rapidly develops, and the number of national highway tunnels and mileage rapidly increase. However, as the tunnel operation time increases, the material properties deteriorate, adverse geological conditions and sudden disasters are adversely affected, the structure strength of the operation tunnel is affected, and the reinforcement is required by spraying new concrete, and roughening treatment is required for the tunnel wall in order to improve the adhesion between the new concrete and the old concrete.
The existing tunnel roughening method is quite many, but lacks a simple tool special for roughening the top of the tunnel, and the existing method is to set up a temporary construction platform to manually roughen by matching with a roughening drill bit or an electric drill, and manually roughen by holding roughening equipment. The mode needs the workman to climb the construction platform of co-altitude to adjust the chisel hair position, and operable construction working face is little, and construction speed is slow, and the dust that produces when the chisel hair directly falls on workman's the body, causes the injury to the health.
Disclosure of Invention
In order to solve the problems in the background technology, the utility model provides a tunnel top construction roughening device, which can stretch up and down and rotate in any direction, and is used for roughening construction on the top of a tunnel wall, so that roughening efficiency can be improved, a transparent cover capable of collecting concrete residues is arranged on the upper part of the device, damage of the residues to workers caused by falling can be avoided, a counterweight rod is arranged at one end of the device, the counterweight rod can be detached at will, and the counterweight rod is used for ensuring that the weight difference of two sides of a supporting rod is small, so that construction operation of workers is facilitated.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the tunnel top construction roughening device comprises a support, a base, a transparent cover and a roughening drill bit, wherein the bottom of the support is arranged on the base through a universal shaft, and the transparent cover and the roughening drill bit are arranged at the top of the support; the bracket comprises an adjusting rod, a first connecting rod, a second connecting rod, a supporting rod and a counterweight rod; the adjusting rod and the supporting rod are vertically arranged; one end of the first connecting rod is connected to the middle part of the adjusting rod through a hinge, the middle part of the first connecting rod is connected to the upper part of the supporting rod through a hinge, and the other end of the first connecting rod is connected with a counterweight rod through rotation; one end of the second connecting rod is connected to the lower part of the adjusting rod through a hinge, and the other end of the second connecting rod is connected to the middle part of the supporting rod through a hinge.
A roughening drill bit is arranged at the top of the adjusting rod, and the drill bit faces upwards; the transparent cover is positioned below the roughening drill bit, threads are formed in the transparent cover, threads matched with the interior of the transparent cover are circumferentially arranged at the top of the adjusting rod, and the transparent cover is installed at the top of the adjusting rod through threaded connection; dust falling down in the roughening construction of the roughening drill bit is blocked through the transparent cover.
The other end of the first connecting rod is provided with a rotating groove, and the end part of the counterweight rod is rotationally connected with the rotating groove at the other end of the first connecting rod; the weight and the length of the counterweight rod are adjusted to balance the two sides of the roughening device. The adjusting rod and the supporting rod are hinged and fixed through the first connecting rod and the second connecting rod, and the height of the chiseling drill bit at the top of the adjusting rod is adjusted by pressing the counterweight rod downwards.
The universal shaft comprises two universal joint forks, a universal joint and a limiting rod; one universal joint fork is fixed at the bottom of the supporting rod, the other universal joint fork is fixed on the base, and holes are formed in two sides of each universal joint fork; two universal joint forks are connected through a universal joint, two ends of the universal joint are respectively inserted into holes on two sides of the universal joint fork of the supporting rod, and the other two ends of the universal joint are respectively inserted into holes on two sides of the universal joint fork of the base. The two end ports of each universal joint are respectively connected with a limiting rod in an inserted manner, and the head of each limiting rod is provided with a flange for preventing the universal joint from falling from a hole of a universal joint fork. The support rod can rotate around the universal shaft in the left-right direction and the front-back direction.
The utility model has the beneficial effects that:
according to the tunnel top construction roughening device disclosed by the utility model, the first connecting rod and the second connecting rod are hinged to fix the adjusting rod and the supporting rod, the roughening drill bit is arranged at the upper part of the adjusting rod, the heights of the roughening drill bit are adjusted by pressing the counterweight rod downwards, roughening construction is carried out on tunnel walls with different heights, the whole device can rotate around the universal shaft in any direction, the roughening construction surface is improved, dust falling during roughening construction can be blocked by the transparent cover, the transparent cover is made of transparent materials, the sight is not blocked, and the transparent cover is installed in a screwing-in mode, so that the transparent cover is convenient to detach.
The utility model has reasonable structure and convenient operation, the heights of the roughening drill bit can be adjusted through the support structures of the adjusting rod, the supporting rod, the first connecting rod and the second connecting rod, the utility model is suitable for tunnel roughening with different heights, the weight balancing rod reduces uneven gravity on two sides of the device, the utility model saves more labor in actual operation, the transparent cover blocks dust in roughening construction, and the body health of workers is protected.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a three-dimensional schematic diagram of the structure of part A of the present utility model;
fig. 3 is an enlarged schematic view of the B part structure of the present utility model.
In the figure: 1. a base; 2. a transparent cover; 3. a roughening drill bit; 4. a weight bar; 5. a bolt; 6. an adjusting rod; 7. a first connecting rod; 8. a second connecting rod; 9. a support rod; 10. a universal joint fork; 11. a universal joint; 12. and a limit rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The specific embodiments described herein are to be considered in an illustrative sense only and are not intended to limit the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, 2 and 3, the tunnel top construction roughening device comprises a bracket, a base 1, a transparent cover 2, a roughening drill bit 3, a universal shaft, a counterweight rod 4 and a bolt 5; the upper part of the adjusting rod 6 is provided with a transparent cover 2 and a roughening drill bit 3; the middle part of the adjusting rod 6 is provided with a through hole, one end of the first connecting rod 7 is hinged by using a bolt 5, the adjusting rod 6 and one end of the first connecting rod 7 can rotate around a hinged point, the middle part of the first connecting rod 7 is hinged with a supporting rod 9, and the counterweight rod 4 is rotatably connected with the other end of the first connecting rod 7; one end of the second connecting rod 8 is hinged with the lower part of the adjusting rod 6, and the other end is hinged with the middle part of the supporting rod 9; the bottom end of the supporting rod 9 is fixed on the universal shaft, and the supporting rod 9 can rotate around the universal shaft in any direction; the transparent cover 2 is internally provided with threads and can be rotatably arranged at the top of the adjusting rod 6; the universal shaft comprises two universal joint forks 10, a universal joint 11 and a limiting rod 12, and the lower part of the universal shaft is fixed on the base 1.
In this embodiment, the support includes adjusting lever 6, head rod 7, second connecting rod 8, bracing piece 9 and counter weight pole 4, and the through-hole has been seted up to adjusting lever 6 middle part and lower part, and the through-hole has been seted up at head rod 7 one end and middle part, and the through-hole has been seted up at second connecting rod 8 both ends, and the through-hole has been seted up at bracing piece 9 upper portion and middle part, and bolt 5 passes the through-hole, with adjusting lever 6, head rod 7, second connecting rod 8, bracing piece 9 hinge connection. The other end of the first connecting rod 7 is provided with a rotating groove, and the top end of the counterweight rod 4 is rotationally connected with one end of the first connecting rod 7.
As shown in fig. 2, the universal shaft comprises two universal joint forks 10, a universal joint 11 and a limiting rod 12, wherein the two universal joint forks 10 are respectively and fixedly installed on one side of the base 1 and one side of the supporting rod 9, the two universal joint forks 10 are provided with holes, the ends of the universal joint 11 are inserted into the holes of the two universal joint forks 10, and the limiting rod 12 is arranged at one end of the universal joint 11 and used for preventing the universal joint 11 from being separated from the holes.
As shown in fig. 3, the transparent cover 2 is internally provided with threads, the top of the adjusting rod 6 is provided with a screw rod, and the transparent cover 2 is rotatably arranged on the top of the adjusting rod 6. During operation, the dust that the construction of separation chiseling falls can be covered to the transparent cover 2, and the transparent cover 2 is transparent material preparation, can not block the sight, and transparent cover 2 adopts the mode installation of screw in, convenient dismantlement.
Specific examples:
for tunnel walls with different heights, the counterweight rod 4 is pressed downwards, the first connecting rod 7 rotates around the hinge point on the upper part of the supporting rod 9, the second connecting rod 8 rotates around the hinge point in the middle part of the supporting rod 9, so that the adjusting rod 6 is driven to move upwards, the height adjustment of the adjusting rod 6 is completed, and the tunnel walls with different heights are adapted to roughening construction.
When the tunnel works, the adjusting rod 6 is driven to swing left and right through the universal shaft, so that the roughening drill bit 3 is suitable for the tunnel wall work with the cambered surface; the adjusting rod 6 is driven to swing forwards or backwards to the next tunnel wall working surface through the universal shaft, the adjusting rod 6 is adjusted to be highly suitable for the current tunnel wall working surface through the weight pressing rod 4, and then the adjusting rod 6 is driven to swing left and right through the universal shaft, so that the tunnel wall roughening construction of the cambered surface is carried out. Therefore, tunnel roughening construction with large area can be completed without moving the base.
Claims (7)
1. The tunnel top construction roughening device is characterized by comprising a support, a base (1), a transparent cover (2) and a roughening drill bit (3), wherein the bottom of the support is arranged on the base (1) through a universal shaft, and the transparent cover (2) and the roughening drill bit (3) are arranged at the top of the support;
the bracket comprises an adjusting rod (6), a first connecting rod (7), a second connecting rod (8), a supporting rod (9) and a counterweight rod (4); the adjusting rod (6) and the supporting rod (9) are vertically arranged; one end of a first connecting rod (7) is connected to the middle part of the adjusting rod (6) through a hinge, the middle part of the first connecting rod (7) is connected to the upper part of the supporting rod (9) through a hinge, and the other end of the first connecting rod (7) is connected with a counterweight rod (4) through rotation; one end of the second connecting rod (8) is connected to the lower part of the adjusting rod (6) through a hinge, and the other end is connected to the middle part of the supporting rod (9) through a hinge.
2. A tunnel top construction roughening device according to claim 1, characterized in that the top of the adjusting rod (6) is provided with a roughening drill bit (3) facing upwards; the transparent cover (2) is positioned below the roughening drill bit (3), threads are formed in the transparent cover, threads matched with the interior of the transparent cover (2) are circumferentially arranged at the top of the adjusting rod (6), and the transparent cover (2) is installed at the top of the adjusting rod through threaded connection; dust falling down in the roughening construction of the roughening drill bit (3) is blocked by the transparent cover (2).
3. The tunnel top construction roughening device according to claim 1, wherein the other end of the first connecting rod (7) is provided with a rotating groove, and the end of the counterweight rod (4) is rotationally connected with the rotating groove at the other end of the first connecting rod (7); the weight and the length of the counterweight rod (4) are adjusted to balance the two sides of the roughening device.
4. Tunnel top construction roughening device according to claim 2, characterized in that the adjusting rod (6) and the supporting rod (9) are fixed by means of the first connecting rod (7) and the second connecting rod (8) in a hinged manner, and the height of the top roughening drill bit (3) of the adjusting rod (6) is adjusted by means of pressing down the weight rod (4).
5. A tunnel roof construction roughening apparatus according to claim 1, characterized in that the cardan shaft comprises two universal joint forks (10), a cardan joint (11) and a stop lever (12);
one universal joint fork (10) is fixed at the bottom of the supporting rod (9), the other universal joint fork (10) is fixed on the base (1), and holes are formed in two sides of each universal joint fork (10);
two universal joint forks (10) are connected through a universal joint (11), two ends of the universal joint (11) are respectively inserted into holes on two sides of the universal joint fork (10) of the supporting rod (9), and the other two ends of the universal joint (11) are respectively inserted into holes on two sides of the universal joint fork (10) of the base (1).
6. The tunnel top construction roughening device according to claim 5, characterized in that the two end ports of each universal joint (11) are respectively connected with a limiting rod (12) in an inserted manner, and the head of the limiting rod (12) is provided with a flange to prevent the universal joint (11) from falling off from the hole of the universal joint fork (10).
7. A tunnel roof construction roughening apparatus according to claim 5, characterized in that the support bar (9) is rotatable around the cardan shaft in the left-right direction and in the front-rear direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320512628.4U CN219650292U (en) | 2023-03-16 | 2023-03-16 | Tunnel top construction roughening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320512628.4U CN219650292U (en) | 2023-03-16 | 2023-03-16 | Tunnel top construction roughening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219650292U true CN219650292U (en) | 2023-09-08 |
Family
ID=87859486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320512628.4U Active CN219650292U (en) | 2023-03-16 | 2023-03-16 | Tunnel top construction roughening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219650292U (en) |
-
2023
- 2023-03-16 CN CN202320512628.4U patent/CN219650292U/en active Active
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| GR01 | Patent grant |