CN2043274U - New type coupling piece for t-steel retractable tunnel supporting frame - Google Patents
New type coupling piece for t-steel retractable tunnel supporting frame Download PDFInfo
- Publication number
- CN2043274U CN2043274U CN 88217640 CN88217640U CN2043274U CN 2043274 U CN2043274 U CN 2043274U CN 88217640 CN88217640 CN 88217640 CN 88217640 U CN88217640 U CN 88217640U CN 2043274 U CN2043274 U CN 2043274U
- Authority
- CN
- China
- Prior art keywords
- brake pad
- sliding component
- contractibility
- iron
- excavation support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 229910000831 Steel Inorganic materials 0.000 title abstract description 7
- 239000010959 steel Substances 0.000 title abstract description 7
- 230000008878 coupling Effects 0.000 title description 2
- 238000010168 coupling process Methods 0.000 title description 2
- 238000005859 coupling reaction Methods 0.000 title description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 238000009412 basement excavation Methods 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 238000005452 bending Methods 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract 1
- 210000005056 cell body Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model provides a novelcoupling piece for T-steel retractable tunnel supporting frame. The utility model is characterized in that the transverse cross-section of a slipping member (3) is in oblique I-shaped, a lap joint stands out a plurality of ear benches (7) with screw (8), the ear bench (7) and a poles leg (1) are connected into one integration by bolts (2). The bending resistant modulus of the slipping member (3) can be enlarged by means of adopting this framework. The utility model has the advantages of high strength, easy assembly and disassembly, so the situation of stress more tends towards reasonable. A clamp-on friction block (5) is provided with a spacing groove (9), and the slipping member (3) is arranged in slot, so a poles leg (1) is prevented toppling toward axial direction of a tunnel, and it is convenient and rapid to loading and unloading the prop.
Description
Touch upon a kind of novel connector of i iron contractibility excavation support of the utility model, it is applicable to the connection of the i iron excavation support of different shape.
The prior art of this technical field can be consulted the patented technology of the disclosed key name of China Patent No. ZL87202634 for " i iron contractibility excavation support ", because this support has the contractibility of vertical and side direction two directions, very suitable for the tunnel that the supporting deflection is bigger, thereby be subjected to the welcome of production scene.Its weak point is:
1. because sliding component has a long slot bore longitudinally in central authorities, its globality is weakened, cause the bending resistance of this member and the supporting intensity of support to decrease, unfavorable to the use of support.
2. because sliding component and clamping brake pad adopt bolton, under the hard situation of down-hole, make the installation and removal support all feel inconvenience, time-consuming.
At the technical problem of above existence, the utility model has been done improvement, and it is big to design a kind of module of anti-bending section, supporting intensity height, i iron contractibility excavation support novel connector easy to loading and unloading.
Below in conjunction with accompanying drawing the embodiment that the utility model provides is described in detail:
Fig. 1 is the assembling drawing of i iron contractibility excavation support novel connector.(1) be the post leg, (2) are bolt, and (3) are sliding component, and (4) are bolt, and (5) for clamping brake pad, (6) are back timber.Post leg (1) fuses by bolt (2) with sliding component (3), back timber (6) fuses by bolt (4) with clamping brake pad (5), and sliding component (3) places stopper slot (9), (10) that clamp brake pad (5), and realizes contracting of both direction in length and breadth by the frictional force between post leg (1) and the sliding component (3), between back timber (6) and the clamping brake pad (5).One cover connector includes two sliding components (3) and two clamping brake pads, and wherein one is that a left side clamps brake pad, and one is the right brake pad that clamps.Two sliding components (3) are installed in respectively in the front and back cell body of steel I-column leg (1), use bolt (2) fastening then.On the edge of a wing before and after two clamping brake pads are installed under the h beam cap (6) respectively, the front is that a left side clamps brake pad, the back is the right brake pad that clamps, two clamp the side, upper end of the just in time corresponding sliding components in stopper slot (9), (10) (3) on the brake pad, the side is a plane, so just post leg (1) is fixed under the back timber (6) firmly.
Fig. 2 is the front view of sliding component (3), and (7) are the ear seat, and (8) are screw.In the use of production scene, can design its clinch outstanding ear seat and screw number according to actual needs.The upper top of this member (3) is a spherical, so as the support force back rest, flexible when leg relatively rotates, unlikely being obstructed.
Fig. 3 is the lateral view of sliding component (3), and cross section is similar to tiltedly I-shaped.
Fig. 4 is the A-A sectional drawing of sliding component (3).
Fig. 5 is the B-B sectional drawing of sliding component (3).
Fig. 6 is the C-C sectional drawing of sliding component (3).
Fig. 7 is the three-view diagram that a left side clamps brake pad, and (9) are stopper slot.
Fig. 8 is the right three-view diagram that clamps brake pad, and (10) are stopper slot.It is opposite with stopper slot (9) direction that a left side clamps on the brake pad, and their function is, coupled columns leg (1) location.In addition, because the tunnel working space is little, operation inconvenience; Moist serious, bolt adopts this structure to make the down-hole loading and unloading bracket comparatively easily and fast often by corrosion.
Fig. 9 is a sliding component and D-D sectional drawing after the steel I-column leg is connected, and (1) is the steel I-column leg, (2) connecting bolt, (3) sliding component.Two sliding components (3) are installed in respectively in the both sides cell body of post leg (1), use bolt (2) that post leg (1) and sliding component (3) are clamped then.When pressed at the top, back timber (6) at first transferred the pressure on the sliding component (3), and this member (3) is moved downward along the cell body of steel I-column leg (1), thereby realized the purpose that support vertically can contract.
Figure 10 is for clamping the E-E sectional drawing after brake pad and back timber are installed, and (6) are h beam cap, and left and right clamping brake pad is installed respectively on the edge of a wing, both sides under the back timber (6).(4) be connecting bolt.When side direction was pressed, post leg (1) at first transferred the pressure on this a pair of clamping brake pad, and this brake pad is moved along the edge of a wing direction under the h beam cap (6), thus the purpose that realization laterally can be contracted.
Claims (6)
1, a kind of i iron contractibility excavation support novel connector that is applicable to the mine laneway supporting, it is characterized in that post leg (1) and sliding component (3) fuse by bolt (2), back timber (6) fuses by bolt (4) with clamping brake pad (5), and sliding component (3) is positioned in the stopper slot (9), (10) of left and right clamping brake pad, and by between post leg (1) and the sliding component (3), back timber (6) and the frictional force that clamps between the brake pad (5) realizes contracting of two directions in length and breadth.
2, i iron contractibility excavation support novel connector according to claim 1 is characterized in that the clinch of sliding component (3) has been given prominence to the ear seat (7) that is provided with screw (8).
3, according to claim 1,2 described i iron contractibility excavation support novel connectors, it is characterized in that the cross section of sliding component (3) is tiltedly I-shaped.
4, according to claim 1,2 described i iron contractibility excavation support novel connectors, the last end face that it is characterized in that sliding component (3) is a spherical.
5,, it is characterized in that a cover connector clamps brake pad by two sliding components (3) and one left side and forms with a right side clamping brake pad according to claim 1,2 described i iron contractibility excavation support novel connectors.
6, i iron contractibility excavation support novel connector according to claim 5 is characterized in that left and right clamping brake pad is provided with stopper slot (9), (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88217640 CN2043274U (en) | 1988-10-24 | 1988-10-24 | New type coupling piece for t-steel retractable tunnel supporting frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88217640 CN2043274U (en) | 1988-10-24 | 1988-10-24 | New type coupling piece for t-steel retractable tunnel supporting frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2043274U true CN2043274U (en) | 1989-08-23 |
Family
ID=4850169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88217640 Withdrawn CN2043274U (en) | 1988-10-24 | 1988-10-24 | New type coupling piece for t-steel retractable tunnel supporting frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2043274U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883856A (en) * | 2017-11-06 | 2018-04-06 | 贵州大学 | Roadway surrounding rock two is helped and the real-time measurement apparatus and measuring method of roof deformation amount |
-
1988
- 1988-10-24 CN CN 88217640 patent/CN2043274U/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883856A (en) * | 2017-11-06 | 2018-04-06 | 贵州大学 | Roadway surrounding rock two is helped and the real-time measurement apparatus and measuring method of roof deformation amount |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |