CN220039467U - Control point bracket device suitable for tunnel measurement - Google Patents
Control point bracket device suitable for tunnel measurement Download PDFInfo
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- CN220039467U CN220039467U CN202321543374.9U CN202321543374U CN220039467U CN 220039467 U CN220039467 U CN 220039467U CN 202321543374 U CN202321543374 U CN 202321543374U CN 220039467 U CN220039467 U CN 220039467U
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- fixing plate
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- 238000005259 measurement Methods 0.000 title claims abstract description 23
- 230000001105 regulatory effect Effects 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 abstract description 9
- 238000009434 installation Methods 0.000 description 10
- 230000000149 penetrating effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model discloses a control point bracket device suitable for tunnel measurement, which comprises: go up loading board, lower loading board and rotate the bearing base of connecting last loading board one end, bearing base downside fixedly connected with circular arc board, circular arc board side rotates and is connected with the head rod, lower loading board one end rotates and is connected with the second connecting rod, the cavity of stepping down has been seted up in the second connecting rod side run-through, head rod one end side and cavity swing joint and fixing of stepping down, bearing base downside has the dwang through fixed unit swing joint, the fixedly connected with adjusting stud of dwang side, head rod side rotates and is connected with first regulating plate, adjusting stud one end runs through first regulating plate and threaded connection has symmetrical adjusting nut. According to the utility model, the mounting condition of the bearing base can be adjusted by only rotating the adjusting nut, so that the effect of adjusting the bearing base more conveniently and rapidly is achieved, and fine adjustment of the bearing base can be realized.
Description
Technical Field
The utility model relates to a control point bracket device suitable for tunnel measurement, and belongs to the technical field of measurement engineering equipment.
Background
The shield tunnel refers to a way of constructing a tunnel by using a shield method, the shield method is a fully mechanized construction method in the construction of a hidden excavation method, the shield machine is pushed in the ground, surrounding rocks around the shield shell and a duct piece support are used for preventing collapse in the tunnel, soil is excavated in front of an excavation face by a cutting device, the soil is transported out of the tunnel by an earth-discharging machine, the soil is pressurized and pushed in the rear part by a jack, precast concrete duct pieces are assembled, the shield machine is continuously pushed forward, repeated measurement is required for the tunnel duct pieces, the quality of the tunnel is ensured, and a control point is required to be arranged by installing a bracket when the measurement is carried out.
At present, chinese patent literature with application number CN202221269759.6 among the prior art discloses a be applicable to shield tunnel measurement control point bracket device, which comprises a middle plate, the first fixed pipe of front half fixedly connected with of medium plate one side, the second fixed pipe is installed to first fixed pipe rear side, and second fixed pipe top fixedly connected with upper plate, first fixed pipe and the inside threaded connection of second fixed pipe have first set screw, the intermediate position fixedly connected with fixing base of medium plate bottom, the first connecting plate is installed to the fixing base front side, the first locking bolt that runs through fixing base and first connecting plate is installed to the fixing base rear side, the second connecting plate is installed to the rear side of first connecting plate bottom, the third locking bolt that runs through first connecting plate and second connecting plate is installed to the second connecting plate rear side, the rear end fixedly connected with third fixed pipe of second connecting plate bottom. The utility model can ensure that the duct piece is not damaged under the condition of stable measurement control points, and simultaneously has simple installation,
the above-mentioned comparison document has obvious beneficial effects, but still has the defects in the actual operation:
through setting up a plurality of lock bolts in the above-mentioned comparison document, adjust the angle of connection of first connecting plate and second connecting plate, lock through a plurality of lock bolts, when adjusting the centering plate, need lift up the medium plate and measure the installation condition of medium plate through the installer, when adjusting through manual pulling the medium plate, can cause the slight rocking of medium plate, fine setting effect is relatively poor when manually pulling the medium plate simultaneously, cause fine setting effect and efficiency relatively poor, the installation effectiveness of whole bracket has been reduced, consequently, it has important meaning to study a new control point bracket device who is applicable to tunnel measurement to solve above-mentioned problem.
Disclosure of Invention
The utility model aims at solving the problems in the prior art, overcomes the defects in the prior art, designs a control point bracket device suitable for tunnel measurement, and can adjust the mounting condition of a bearing base by only rotating an adjusting nut, thereby achieving the effect of adjusting the bearing base more conveniently and rapidly and realizing fine adjustment of the bearing base.
In order to achieve the above object, the technical scheme of the present utility model is as follows: the utility model provides a control point bracket device suitable for tunnel measurement, including last loading board, lower loading board and the bearing base of rotating connection last loading board one end, bearing base downside fixedly connected with circular arc board, circular arc board side rotates and is connected with the head rod, lower loading board one end rotates and is connected with the second connecting rod, the cavity of stepping down has been seted up in the penetration of second connecting rod side, head rod one end side and cavity swing joint and fixing of stepping down, bearing base downside has the spin ball through fixed unit swing joint, spin ball side fixedly connected with adjusting screw, head rod side rotates and is connected with first regulating plate, adjusting screw one end runs through first regulating plate and threaded connection has symmetrical adjusting nut, be equipped with the mobile unit between fixed unit and the bearing base downside, move and fix the position of fixed unit through the mobile unit.
Preferably, the second connecting rod is connected with a second adjusting plate in a side face rotating way.
Preferably, the fixing unit comprises a first fixing plate and a second fixing plate, the lower ends of the first fixing plate and the second fixing plate are fixedly connected with identical arc blocks, the inner cavity is matched with the rotating ball after the two arc blocks are combined, and a limiting unit is arranged between the first fixing plate and the second fixing plate.
Preferably, the moving unit comprises sliding strips which are fixedly connected to the lower side face of the bearing base symmetrically and are L-shaped, the upper end of the fixing unit is fixedly connected with a sliding block which is matched with the two sliding strips, a waist-shaped groove is formed in the side face of the sliding strip, and a fastening bolt with one end in threaded connection with the side face of the sliding block is arranged in the waist-shaped groove in a penetrating mode.
Preferably, the limiting unit comprises a rotating rod rotatably connected to the side face of the first fixing plate, one end, away from the first fixing plate, of the rotating rod is fixedly connected with a waist-shaped block, and the side face of the second fixing plate is provided with a through hole in a penetrating mode, wherein the through hole is adapted to the waist-shaped block.
Preferably, the side surface of the second fixing plate is fixedly connected with a reverse guide plate.
Preferably, the side surface of the guide plate is fixedly connected with an elastic limit bar, and the side surface of the waist-shaped block is provided with an arc-shaped groove matched with the elastic limit bar.
Preferably, the butterfly block is fixedly connected with the side face of the adjusting nut.
The utility model has the beneficial effects that:
1. according to the utility model, the adjusting studs and the adjusting nuts are arranged, after the upper bearing plate and the lower bearing plate are installed, the adjusting studs are arranged in the through holes formed in the first adjusting plate in a penetrating manner, the adjusting nuts are adjusted according to the installation conditions of the bearing base, and when the adjusting nuts are adjusted, the angle between the first connecting rod and the second connecting rod is changed, so that the installation position of the bearing base is adjusted, the position of the first adjusting plate is fixed by using the two adjusting nuts, the installation conditions of the bearing base can be adjusted by only rotating the adjusting nuts, the effect of adjusting the bearing base more conveniently and rapidly is achieved, and fine adjustment of the bearing base can be realized.
2. According to the utility model, the fixing unit is arranged to fix the rotating ball, so that the rotating ball can be conveniently installed and detached, and the detached rotating ball and the adjusting stud are more convenient to carry.
3. According to the utility model, the moving unit is arranged, the fixed unit is moved and fixed through the moving unit, the adjusting range of the bearing base is required to be larger under the condition that the mounting condition of the bearing base is poorer, the position of the fixed unit is adjusted through the moving unit, the position of the bearing base is quickly and roughly adjusted through the moving unit, and the adjusting nut is used for fine adjustment, so that the effect of improving the effect of adjusting the bearing base is achieved.
Drawings
FIG. 1 is a schematic diagram of the overall side view three-dimensional structure of the present utility model;
FIG. 2 is a schematic view of a three-dimensional structure at another view angle as a whole in accordance with the present utility model;
FIG. 3 is a schematic view of the structure of the present utility model when the connection is made by the second adjusting plate;
FIG. 4 is a schematic diagram of a mobile unit according to the present utility model;
FIG. 5 is a schematic structural view of a fixing unit according to the present utility model;
FIG. 6 is a schematic view showing a structure of the first fixing plate and the second fixing plate separated from each other in the present utility model;
FIG. 7 is a schematic view of the structure of the adjusting nut and the first adjusting plate according to the present utility model;
FIG. 8 is a schematic view of the location of the guide plate according to the present utility model;
in the figure: the device comprises an upper bearing plate, a lower bearing plate, a bearing base, a 4 circular arc plate, a 5 first connecting rod, a 6 second connecting rod, a 7 abdication cavity, a 8 rotating ball, a 9 adjusting stud, a 10 first adjusting plate, a 11 adjusting nut, a 12 second adjusting plate, a 13 sliding strip, a 14 sliding block, a 15 waist-shaped groove, a 16 fastening bolt, a 17 first fixing plate, a 18 second fixing plate, a 19 arc block, a 20 rotating rod, a 21 waist-shaped block, a 22 through hole, a 23 guide plate, a 24 elastic limit strip and a 25 butterfly block.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
Example 1
As shown in fig. 1, fig. 2, and fig. 4-fig. 8, the control point bracket device suitable for tunnel measurement provided by the utility model comprises an upper bearing plate 1, a lower bearing plate 2 and a bearing base 3 rotatably connected with one end of the upper bearing plate 1, wherein the lower side surface of the bearing base 3 is fixedly connected with an arc plate 4, the side surface of the arc plate 4 is rotatably connected with a first connecting rod 5, one end of the lower bearing plate 2 is rotatably connected with a second connecting rod 6, a yielding cavity 7 is penetrated and arranged on the side surface of the second connecting rod 6, one end side surface of the first connecting rod 5 is movably connected and fixed with the yielding cavity 7, the lower side surface of the bearing base 3 is movably connected with a rotating ball 8 through a fixing unit, the side surface of the rotating ball 8 is fixedly connected with an adjusting stud 9, the side surface of the first connecting rod 5 is rotatably connected with a first adjusting plate 10, one end of the adjusting stud 9 penetrates through the first adjusting plate 10 and is in threaded connection with a symmetrical adjusting nut 11, a moving unit is arranged between the fixing unit and the lower side surface of the bearing base 3, the position of the fixing unit is moved and fixed through the moving unit, and the butterfly block 25 is fixedly connected with the side surface of the adjusting nut 11.
In this embodiment, the mounting holes formed in the upper and lower bearing plates 1 and 2 are used for mounting the bearing base 3, the adjusting studs 9 are inserted into the through holes formed in the first adjusting plate 10, the adjusting nuts 11 are adjusted according to the mounting conditions of the bearing base 3, and when the adjusting nuts 11 are adjusted, the angle between the first connecting rod 5 and the second connecting rod 6 is changed, so that the mounting position of the bearing base 3 is adjusted, the positions of the first adjusting plate 10 are fixed by using the two adjusting nuts 11, the mounting conditions of the bearing base 3 can be adjusted by only rotating the adjusting nuts 11, the effect of adjusting the bearing base 3 is achieved more conveniently and rapidly, fine adjustment of the bearing base 3 can be realized, the rotating balls 8 are fixed by the fixing units, the rotating balls 8 are convenient to mount and dismount, and the rotating studs 9 are more convenient to carry, the fixing unit is moved and fixed through the moving unit, under the condition that the installation condition of the bearing base 3 is poor, the adjusting range of the bearing base 3 is required to be larger, the position of the fixing unit is adjusted through the moving unit, the position of the bearing base 3 is adjusted roughly through the moving unit, the adjusting nut 11 is used for fine adjustment, the effect of improving the adjusting bearing base 3 is achieved, the specific operation of the fixing unit and the moving unit is described in detail in the following embodiment, meanwhile, the butterfly block 25 is fixedly connected with the side face of the adjusting nut 11, the fine adjustment of the adjusting nut 11 is facilitated for an operator, after the fine adjustment is completed, the two adjusting nuts 11 are fastened through a spanner, it is worth to say that the lower end side face of the first connecting rod 5 is fixedly connected with a thread column matched with the yielding cavity 7, the screw sleeve can be connected to one end of the screw thread column in a threaded manner to fix the first connecting rod 5 and the second connecting rod 6, and the upper end of the first connecting rod 5 and the circular arc plate 4 can be operated as usual, so that the stability of the adjusted bearing base 3 is ensured.
Example 2
As shown in fig. 3, the control point bracket device for tunnel measurement according to the present utility model further includes a second adjusting plate 12 rotatably connected to the side of the second connecting rod 6 in comparison with the embodiment 1.
In this embodiment, after the upper bearing plate 1 and the lower bearing plate 2 are installed, the installation condition of the bearing base 3 is better, when the range of adjustment is smaller, the first connecting rod 5 needs to be installed, one end of the adjusting stud 9 is directly penetrated on the second adjusting plate 12 rotationally connected with the side surface of the second connecting rod 6, a through hole with the aperture larger than that of the adjusting stud 9 is formed in the second adjusting plate 12, the second adjusting plate 12 is finely adjusted through the adjusting nut 11, and when the installation condition of the bearing base 3 is reached, the position of the second adjusting plate 12 is fixed by using the two adjusting nuts 11.
Example 3
As shown in fig. 4, 5, 6 and 8, compared with the embodiment 1 and 2, the control point bracket device for tunnel measurement provided by the present utility model further includes a fixing unit, the fixing unit includes a first fixing plate 17 and a second fixing plate 18, the lower ends of the first fixing plate 17 and the second fixing plate 18 are fixedly connected with the same arc-shaped block 19, the two arc-shaped blocks 19 are combined and the inner cavity is adapted to the rotating ball 8, and a limiting unit is disposed between the first fixing plate 17 and the second fixing plate 18; the movable unit comprises sliding strips 13 which are symmetrically and L-shaped and fixedly connected to the lower side face of the bearing base 3, sliding blocks 14 which are matched with the two sliding strips 13 are fixedly connected to the upper ends of the fixed units, waist-shaped grooves 15 are formed in the side faces of the sliding strips 13, fastening bolts 16 with one ends in threaded connection with the side faces of the sliding blocks 14 are arranged in the waist-shaped grooves 15 in a penetrating mode, the limiting unit comprises a rotating rod 20 which is rotatably connected to the side face of a first fixing plate 17, one end, far away from the first fixing plate 17, of the rotating rod 20 is fixedly connected with a waist-shaped block 21, through holes 22 which are matched with the waist-shaped block 21 are formed in a penetrating mode, reverse guide plates 23 are fixedly connected to the side faces of the second fixing plate 18, elastic limiting strips 24 are fixedly connected to the side faces of the guide plates 23, and arc grooves which are matched with the elastic limiting strips 24 are formed in the side faces of the waist-shaped block 21.
In this embodiment, when the rotating ball 8 is installed, the rotating ball 8 is clamped by the arc-shaped block 19, meanwhile, the waist-shaped block 21 is rotated to be matched with the through hole 22 by the rotating rod 20, the waist-shaped block 21 passes through the through hole 22, the waist-shaped block 21 is rotated, the waist-shaped block 21 moves along the guide plate 23, meanwhile, the inclined plane of the guide plate 23 is utilized to drive the first fixing plate 17 and the second fixing plate 18 to be tightly attached, the waist-shaped block 21 is continuously rotated until an arc-shaped groove formed in the waist-shaped block 21 is clamped with the elastic limiting strip 24, the positions of the waist-shaped block 21 are limited by the clamping of the elastic limiting strip 24 and the arc-shaped groove, the upper ends of the first fixing plate 17 and the second fixing plate 18 are fixedly connected with the sliding blocks 14, the threaded holes which are matched and combined together are formed between the opposite sides of the two sliding blocks 14, one ends of the adjusting studs 9 are inserted into the first adjusting plate 10 or the second adjusting plate 12 through the sliding blocks 14, the sliding blocks 14 move in the two sliding blocks 13, when the sliding blocks 14 move to the required positions of the two sliding blocks 16, and the two threaded holes are tightly screwed to the two threaded holes 16 are connected with one another through the two threaded bolts 14.
The principle of operation, during the use, install upper carrier plate 1 and lower carrier plate 2, will rotate ball 8 through fixed unit and fix, fixed unit and mobile unit assemble to remove and fix the position of fixed unit through mobile unit, adjust the installation condition of bearing base 3 through adjusting nut 11, adjust the back and fix through the opposite motion of two adjusting nuts 11 after finishing.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (8)
1. The utility model provides a control point bracket device suitable for tunnel measurement, including last loading board (1), loading board (2) and rotate and connect and bear base (3) at last loading board (1) one end, characterized by, bear base (3) downside fixedly connected with circular arc board (4), circular arc board (4) side rotates and is connected with head rod (5), loading board (2) one end rotates and is connected with second connecting rod (6) down, the cavity of stepping down (7) have been seted up in the second connecting rod (6) side, head rod (5) one end side and cavity of stepping down (7) swing joint and fixed, bear base (3) downside through fixed unit swing joint have dwang (8), dwang (8) side fixedly connected with adjusting stud (9), head rod (5) side rotation is connected with first regulating plate (10), adjusting stud (9) one end runs through head rod (10) and threaded connection have symmetrical adjusting nut (11), be equipped with the mobile unit between fixed unit and the bearing base (3) downside, move and fix the position of fixed unit through the mobile unit.
2. A control point bracket device suitable for tunnel measurement according to claim 1, characterized in that the second connecting rod (6) is connected with a second adjusting plate (12) in a side rotation.
3. The control point bracket device suitable for tunnel measurement according to claim 1 or 2, characterized in that the fixing unit comprises a first fixing plate (17) and a second fixing plate (18), the lower ends of the first fixing plate (17) and the second fixing plate (18) are fixedly connected with the same arc-shaped blocks (19), the inner cavity of the two arc-shaped blocks (19) is matched with the rotating ball (8) after being combined, and a limiting unit is arranged between the first fixing plate (17) and the second fixing plate (18).
4. The control point bracket device suitable for tunnel measurement according to claim 1 or 2, characterized in that the moving unit comprises sliding strips (13) which are fixedly connected to the lower side of the bearing base (3) symmetrically and are L-shaped, the upper end of the fixing unit is fixedly connected with sliding blocks (14) which are matched with the two sliding strips (13), a waist-shaped groove (15) is formed in the side surface of the sliding strips (13), and a fastening bolt (16) with one end in threaded connection with the side surface of the sliding blocks (14) is arranged in the waist-shaped groove (15).
5. A control point bracket device suitable for tunnel measurement according to claim 3, characterized in that the limiting unit comprises a rotating rod (20) rotatably connected to the side surface of the first fixing plate (17), one end of the rotating rod (20) far away from the first fixing plate (17) is fixedly connected with a waist-shaped block (21), and the side surface of the second fixing plate (18) is provided with a through hole (22) adapted to the waist-shaped block (21).
6. A control point bracket device for tunnel measurement according to claim 5, characterized in that the second fixing plate (18) is fixedly connected with a reverse guide plate (23) at the side.
7. The control point bracket device suitable for tunnel measurement according to claim 6, wherein an elastic limit strip (24) is fixedly connected to the side surface of the guide plate (23), and an arc-shaped groove matched with the elastic limit strip (24) is formed in the side surface of the waist-shaped block (21).
8. A control point bracket device suitable for tunnel measurement according to claim 1, 2, 5, 6 or 7, characterized in that the adjusting nut (11) is fixedly connected with a butterfly block (25) at the side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321543374.9U CN220039467U (en) | 2023-06-16 | 2023-06-16 | Control point bracket device suitable for tunnel measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321543374.9U CN220039467U (en) | 2023-06-16 | 2023-06-16 | Control point bracket device suitable for tunnel measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220039467U true CN220039467U (en) | 2023-11-17 |
Family
ID=88742929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321543374.9U Active CN220039467U (en) | 2023-06-16 | 2023-06-16 | Control point bracket device suitable for tunnel measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220039467U (en) |
-
2023
- 2023-06-16 CN CN202321543374.9U patent/CN220039467U/en active Active
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