CN208736747U - Pre-buried channel flow and T-bolt shearing slip test device in a kind of tunnel - Google Patents
Pre-buried channel flow and T-bolt shearing slip test device in a kind of tunnel Download PDFInfo
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- CN208736747U CN208736747U CN201920302722.0U CN201920302722U CN208736747U CN 208736747 U CN208736747 U CN 208736747U CN 201920302722 U CN201920302722 U CN 201920302722U CN 208736747 U CN208736747 U CN 208736747U
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- fixing piece
- buried channel
- channel flow
- bolt
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Abstract
The utility model belongs to pre-buried channel flow test fixture technical field, more particularly to pre-buried channel flow and T-bolt shearing slip test device in a kind of tunnel, including the first fixing piece, connecting plate and the second fixing piece, limiting slot is offered on first fixing piece, the pre-buried channel flow is arranged in the limiting slot, at least two Limit screws are threaded on first fixing piece, one side contacts of one end of the Limit screw and the pre-buried channel flow are for the pre-buried channel flow to be located in the limiting slot, running through on the connecting plate has shearing perforation, the head of the T-bolt is slidably matched with the pre-buried channel flow, the tail portion of the T-bolt passes through the shearing perforation, mounting groove is offered on second fixing piece, one end of the connecting plate is fixed in the mounting groove.
Description
Technical field
The utility model belongs to pre-buried channel flow and T in pre-buried channel flow test fixture technical field more particularly to a kind of tunnel
Type bolt shearing slip test device.
Background technique
By TB/T3329-2013 " pre-buried channel flow in tunnel of electric railway contact net " standard requirements, need to built-in groove
Road T-bolt carries out block shear test and lateral sliding test, however detection unit mainly uses compression shear for shearing at present
Mode, i.e. experimental rig upper end is mounted on testing machine head, and experimental rig lower end is without fixed constraint, therefore pacifies in test
Often occur press machine pressurization axis and T-bolt shear surface during dress not the same axis the case where, need it is artificial repeatedly
The axial location of press machine and T-bolt shear surface is adjusted, therefore frequently results in that test value gap is larger, and test result is unstable；
Lateral sliding is tested, then test apparatus is less, and test at present mainly by carrying out in-situ test after integral installation, is installed
Testing procedure is complicated, and test result is unstable, meanwhile, instrument and equipment is complicated at present, and it is more difficult to install, not easy to use.
Utility model content
The tooling that block shear test is carried out to solve pre-buried channel flow T-bolt of the existing technology needs artificially to adjust repeatedly
The problem that the tooling of whole and pre-buried channel flow T-bolt lateral sliding test is less, installation is complicated, the utility model provide one
Pre-buried channel flow and T-bolt shearing slip test device in kind tunnel.
In order to solve the above technical problems, technical solution used by the utility model is as follows, pre-buried channel flow in a kind of tunnel
With T-bolt shearing slip test device, including the first fixing piece, connecting plate and the second fixing piece, on first fixing piece
Limiting slot is offered, the pre-buried channel flow is arranged in the limiting slot, is threaded at least two on first fixing piece
One side contacts of a Limit screw, one end of the Limit screw and the pre-buried channel flow are used to for the pre-buried channel flow being located in
In the limiting slot, through there is shearing perforation on the connecting plate, the head of the T-bolt is matched with pre-buried channel flow sliding
It closes, the tail portion of the T-bolt passes through the shearing perforation, mounting groove is offered on second fixing piece, the connecting plate
One end is fixed in the mounting groove.
Preferably, offering the first connecting hole on first fixing piece, first fixing piece passes through described first
Connecting hole is fixed on the upper binding head of testing machine.As being inserted into the first connecting hole for the first fixing piece and testing machine by pin shaft
Upper binding head is fixedly connected, and connection type is simple and reliable, and it is convenient to assemble.
Preferably, offering the second connecting hole on second fixing piece, second fixing piece passes through described second
Connecting hole is fixed on the lower union joint of testing machine.As being inserted into the second connecting hole for the second fixing piece and testing machine by pin shaft
Lower union joint is fixedly connected, and connection type is simple and reliable, and it is convenient to assemble.
Further, one end of the connecting plate is fixed in the mounting groove by fixing bolt.It will be under connecting plate
Portion is inserted in mounting groove, and is fixedly connected with connecting plate with mounting groove with fixing bolt, and connection type is simple and reliable, and assembly is just
It is prompt.
Further, the material of first fixing piece, the connecting plate and second fixing piece is all made of steel.
The utility model has the advantages that pre-buried channel flow and T-bolt shearing slip test device in the tunnel of the utility model, installation operation
Simply, by testing machine upper-lower axis automatic aligning, guarantee that T-bolt installs and be just able to maintain and test pulling force axis direction one
It causes, does not need the axial location for artificially adjusting press machine and T-bolt shear surface, guarantee the correctness of detection data, and can
Pre-buried channel flow T-bolt block shear test and lateral sliding test to be combined into one, test complexity is greatly reduced, is mentioned
High test efficiency.
Detailed description of the invention
Fig. 1 is the first fixing piece of pre-buried channel flow and T-bolt shearing slip test device in the utility model tunnel
Schematic side view；
Fig. 2 is the first fixing piece of pre-buried channel flow and T-bolt shearing slip test device in the utility model tunnel
Schematic front view；
Fig. 3 is the main view of pre-buried channel flow and the connecting plate of T-bolt shearing slip test device in the utility model tunnel
Schematic diagram；
Fig. 4 is the second fixing piece of pre-buried channel flow and T-bolt shearing slip test device in the utility model tunnel
Schematic side view；
Fig. 5 is the second fixing piece of pre-buried channel flow and T-bolt shearing slip test device in the utility model tunnel
Schematic front view；
When Fig. 6 is the shearing test of pre-buried channel flow and T-bolt shearing slip test device in the utility model tunnel
Schematic perspective view；
Fig. 7 is pre-buried channel flow and when the sliding test of T-bolt shearing slip test device in the utility model tunnel
Schematic perspective view；
In figure: 1, first fixing piece, 11, limiting slot, the 12, first connecting hole, 13, Limit screw, 14, pin shaft, 2, second
Fixing piece, 21, mounting groove, the 22, second connecting hole, 23, first bears hole, 24, fixing bolt, 3, connecting plate, 31, shearing perforation,
32, second hole, 4, pre-buried channel flow, 5, T-bolt, 51, nut, 61, upper binding head, 62, lower union joint are born.
Specific embodiment
Embodiment
As shown in Fig. 1 ~ 7, pre-buried channel flow and T-bolt shearing slip test device in a kind of tunnel, including first is fixed
Part 1, connecting plate 3 and the second fixing piece 2, limiting slot 11 is offered on first fixing piece 1, and the setting of pre-buried channel flow 4 exists
Limit screw 13 there are two being threadedly coupled in the limiting slot 11, on first fixing piece 1, two Limit screws 13 are along limit
The length direction of slot 11 is distributed, and a side contacts of one end of the Limit screw 13 and the pre-buried channel flow 4 are used for will be described pre-
It buries conduit 4 to be located in the limiting slot 11, the top of the connecting plate 3, which is run through, shearing perforation 31, the head of the T-bolt 5
Portion is slidably matched with the pre-buried channel flow 4, and the tail portion of the T-bolt 5 passes through the shearing perforation 31, and the tail portion of T-bolt 5
It is connected with gasket and nut 51, mounting groove 21 is offered on second fixing piece 2, is offered on second fixing piece 2
One bears hole 23, and the lower part of the connecting plate 3 offers second and bears hole 32, and mounting groove 21 is inserted into the lower part of the connecting plate 3
Interior, fixing bolt 24, which passes through first and bears hole 23 and second, to be born hole 32 connecting plate 3 is fixed in mounting groove 21.Described first
The material of fixing piece 1, the connecting plate 3 and second fixing piece 2 is all made of 16Mn steel.
The first connecting hole 12 is offered on first fixing piece 1, first fixing piece 1 passes through first connecting hole
12 are fixed on the upper binding head 61 of testing machine, specifically, by pin shaft 14 be inserted into the first connecting hole 12 by the first fixing piece 1 with
The upper binding head 61 of testing machine is fixedly connected；The second connecting hole 22, second fixing piece are offered on second fixing piece 2
2 are fixed on the lower union joint 62 of testing machine by second connecting hole 22, specifically, pass through second connection of the insertion of pin shaft 14
Second fixing piece 2 is fixedly connected by hole 22 with the lower union joint of testing machine.Testing machine selects SANS universal testing machine, model
CMT5205。
Working principle is as follows:
Shearing test installation operating procedure is as follows, sees Fig. 6:
1. being inserted into the first connecting hole 12 for the fixed company of upper binding head 61 of the first fixing piece 1 and testing machine by pin shaft 14
It connects, pre-buried channel flow 4 to be detected is lain in a horizontal plane in limiting slot 11, the head of T-bolt 5 is then slid into pre-buried channel flow 4；
2. screwing Limit screw 13, it is located in it in limiting slot 11 compression of pre-buried channel flow 4；
3. the tail portion of T-bolt 5 is passed through shearing perforation 31, and gasket and nut 51 are installed；
4. 3 lower end of connecting plate is inserted in mounting groove 21, and 3 lower end of connecting plate is fixed on by installation by fixing bolt 24
In slot 21；
5. being inserted into the second connecting hole 22 for the fixed company of lower union joint 62 of the second fixing piece 2 and testing machine by pin shaft 14
It connects；
6. opening testing machine, wanted according to TB/T3329-2013 " pre-buried channel flow 4 in tunnel of electric railway contact net " standard
It asks and is tested.
Sliding test installation operating procedure is as follows, sees Fig. 7:
1. being inserted into the first connecting hole 12 for the fixed company of upper binding head 61 of the first fixing piece 1 and testing machine by pin shaft 14
It connects, pre-buried channel flow 4 to be detected is placed on vertically in limiting slot 11, the head of T-bolt 5 is then slid into pre-buried channel flow 4；
Subsequent step referring to shearing test installation operation the 2. -6. step.
Claims (5)
1. pre-buried channel flow and T-bolt shearing slip test device in a kind of tunnel, it is characterised in that: including the first fixing piece
(1), connecting plate (3) and the second fixing piece (2) offer limiting slot (11), the pre-buried channel flow on first fixing piece (1)
(4) setting is threaded at least two Limit screws (13) on first fixing piece (1) in the limiting slot (11),
One side contacts of one end of the Limit screw (13) and the pre-buried channel flow (4) are used to for the pre-buried channel flow (4) being located in
In the limiting slot (11), through having shearing perforation (31) on the connecting plate (3), the head of the T-bolt (5) with it is described pre-
It buries conduit (4) to be slidably matched, the tail portion of the T-bolt (5) passes through the shearing perforation (31), on second fixing piece (2)
It offers mounting groove (21), one end of the connecting plate (3) is fixed in the mounting groove (21).
2. pre-buried channel flow and T-bolt shearing slip test device in tunnel according to claim 1, it is characterised in that:
It is offered the first connecting hole (12) on first fixing piece (1), first fixing piece (1) passes through first connecting hole
(12) it is fixed on the upper binding head (61) of testing machine.
3. pre-buried channel flow and T-bolt shearing slip test device, feature exist in tunnel according to claim 1 or 2
In: it is offered the second connecting hole (22) on second fixing piece (2), second fixing piece (2) connects by described second
Hole (22) is fixed on the lower union joint (62) of testing machine.
4. pre-buried channel flow and T-bolt shearing slip test device in tunnel according to claim 1, it is characterised in that:
One end of the connecting plate (3) is fixed in the mounting groove (21) by fixing bolt (24).
5. pre-buried channel flow and T-bolt shearing slip test device in tunnel according to claim 1, it is characterised in that:
The material of first fixing piece (1), the connecting plate (3) and second fixing piece (2) is all made of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920302722.0U CN208736747U (en) | 2019-03-11 | 2019-03-11 | Pre-buried channel flow and T-bolt shearing slip test device in a kind of tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920302722.0U CN208736747U (en) | 2019-03-11 | 2019-03-11 | Pre-buried channel flow and T-bolt shearing slip test device in a kind of tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208736747U true CN208736747U (en) | 2019-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920302722.0U Active CN208736747U (en) | 2019-03-11 | 2019-03-11 | Pre-buried channel flow and T-bolt shearing slip test device in a kind of tunnel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110068513A (en) * | 2019-05-23 | 2019-07-30 | 江苏省建筑工程质量检测中心有限公司 | The multi-functional mechanical test tooling of pre-buried channel flow |
| CN110132759A (en) * | 2019-05-29 | 2019-08-16 | 中建八局轨道交通建设有限公司 | The shearing test device and its detection method of pre-buried channel flow on shield duct piece |
| CN112014241A (en) * | 2020-09-03 | 2020-12-01 | 常州工学院 | Method for testing in-plane shearing mechanical property of fiber winding composite material |
| CN112710565A (en) * | 2020-12-16 | 2021-04-27 | 武汉材料保护研究所有限公司 | Channel on-site shearing force experimental device and method for lossless concrete |
-
2019
- 2019-03-11 CN CN201920302722.0U patent/CN208736747U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110068513A (en) * | 2019-05-23 | 2019-07-30 | 江苏省建筑工程质量检测中心有限公司 | The multi-functional mechanical test tooling of pre-buried channel flow |
| CN110132759A (en) * | 2019-05-29 | 2019-08-16 | 中建八局轨道交通建设有限公司 | The shearing test device and its detection method of pre-buried channel flow on shield duct piece |
| CN110132759B (en) * | 2019-05-29 | 2024-02-09 | 中建八局轨道交通建设有限公司 | Shearing test device for pre-buried channel on shield segment and detection method thereof |
| CN112014241A (en) * | 2020-09-03 | 2020-12-01 | 常州工学院 | Method for testing in-plane shearing mechanical property of fiber winding composite material |
| CN112710565A (en) * | 2020-12-16 | 2021-04-27 | 武汉材料保护研究所有限公司 | Channel on-site shearing force experimental device and method for lossless concrete |
| CN112710565B (en) * | 2020-12-16 | 2023-05-23 | 武汉材料保护研究所有限公司 | Channel on-site shear force experimental device and method for nondestructive concrete |
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