CN202493278U - Portable spiral brace - Google Patents
Portable spiral brace Download PDFInfo
- Publication number
- CN202493278U CN202493278U CN2012201393023U CN201220139302U CN202493278U CN 202493278 U CN202493278 U CN 202493278U CN 2012201393023 U CN2012201393023 U CN 2012201393023U CN 201220139302 U CN201220139302 U CN 201220139302U CN 202493278 U CN202493278 U CN 202493278U
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- China
- Prior art keywords
- seamless steel
- screw rod
- steel pipe
- handed nut
- bearing plate
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- Expired - Fee Related
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Abstract
The utility model discloses a portable spiral brace which comprises stand bar plates, seamless steel tubes, a left-handed nut, a double-end left-and-right screw rod, a right-handed nut and bearing plate components, wherein the left-handed nut and the right-handed nut are respectively assembled at two ends of the double-end left-and-right screw rod; two seamless steel tubes are respectively sleeved at two ends of the double-end left-and-right screw rod and are fixed with the corresponding nuts; two sets of stand bar plates are respectively fixed at the tail ends of the two seamless steel tubes; and the bearing plate components can be selectively mounted or not mounted at the external ends of the stand bar plates. According to a structure adopted by the portable spiral brace that the double-end left-and-right screw rod is matched with the seamless steel tubes fixed with the nuts, the seamless steel tubes are respectively ascended and descended toward upper and lower ends under the driving of the left-handed nut and the right-handed nut by adjusting the double-end left-and-right screw rod, so that the stand bar plates and the base plates of the bearing plate components are respectively butted against a top plate and a base plate. The structure of the portable spiral brace can be mechanically adjusted; other driving equipment is not required; the structure is simple; the operation is convenient; and the cost is lower.
Description
Technical field
The utility model relates to roadway, tunnel temporary support device, particularly a kind of portable spiral pillar.
Background technology
A large amount of at present DWX type hydraulic Support with Suspending Hollow Plug of using; Technical characterstics such as its suspension type of force plunger, seal-swelling, sealing compensation are understood and understanding by society; Security concepts such as its no internal leakage, no circular arc weld seam are also accepted by society, and are described as " life pillar " and " patron saint of miner's life " by society.The end support that is used for blast mining face, conventional face roof timbering and fully-mechanized mining working is suitable for seam inclination less than 25o gentle dip stope, the coal face support of the 25o～35o that takes measures also to can be used for.With the supporting use of articulated roof beam.DWX type hydraulic Support with Suspending Hollow Plug is by top cover, seal cover assembly, the post of living, handgrip body, oil cylinder; Back-moving spring, base, O shape circle, back-up ring, y-shaped ring; Elastic cylindrical pin, dust ring connects steel wire, and component such as guide ring are formed; Do not wait at 30-80Kg according to the height of the pillar quality that differs, also need be equipped with Hydraulic Station and fluid pressure line during work, the normal emulsion that contains 1～2% M-10 or MDT oil emulsion that adopts is as working media, and emulsion all enters the goaf when recycling in the down-hole.And the oil emulsion in the emulsion is to be grouped into by one-tenth such as base oil, emulsifier, anticorrisive agents, is difficult to its thorough removing behind the entering underground water.According to incompletely statistics, it is underground that each colliery, the whole nation has the 8000t oil emulsion to enter approximately, and water resource and ecological environment around the mine are caused serious pollution.Hydraulic prop all is big weight capacity because of its design, and own wt is big, has increased working strength of workers.Because of complex structure causes processing cost high, selling price is high, has increased the cost of winning in mine.
The utility model content
The purpose of the utility model is to provide a kind of portable spiral pillar of mechanical adjustment.
The described portable spiral pillar of the utility model; It comprises about a sole, seamless steel pipe, left-handed nut, double end revolves screw rod, right-handed nut, bearing plate assembly; Left-handed nut, right-handed nut are assemblied in the two ends of revolving screw rod about double end respectively, and seamless steel pipe comprises two, is enclosed within the two ends of revolving screw rod about double end respectively; Fix with respective nut; Prop up sole and comprise two groups, be individually fixed in the end of said two seamless steel pipes, said bearing plate assembly can be selected to install or do not install in the outer end of a sole.
Said every group is propped up sole and comprises three block plates; They are distributed on the external diameter circumference of seamless steel pipe; And length direction stretches out the port of seamless steel pipe; Wherein the contact edge of the extension of two block plates and seamless steel pipe begins to process interior chamfering from the port of seamless steel pipe, and the contact edge of a block plate and seamless steel pipe stretches in the seamless steel pipe in the port of seamless steel pipe.
Said bearing plate assembly comprises base plate, and vertical fixing is in the cylinder at base plate center, and perpendicular to the cylinder length direction, be fixed in the band breach round steel ring of cylinder upper end, said cylinder adds the internal diameter of the external diameter of round steel ring less than seamless pipe.
The middle part of revolving screw rod about said double end does not have the midpoint of thread segment and offers a through hole perpendicular to this screw rod.
Revolving screw rod about the double end of the utility model cooperates and the fixing seamless steel pipe structure of nut; Through revolving screw rod about the adjustment double end; Make left-handed nut and right-handed nut drive seamless steel pipe respectively, thereby make the base plate of a sole and bearing plate assembly withstand top board and base plate respectively to two ends up-down up and down.The structure of the utility model is that mechanical type is regulated, and compared with prior art, need not driving arrangement, and simple in structure, easy to operate, cost is lower.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the structural representation of bearing plate among Fig. 1.
Fig. 3 is the assembling sketch map that props up sole and seamless pipe among Fig. 1.
The specific embodiment
Embodiment one, and the utility model is selected for use about the seamless pipe, double end of Φ 48X4 and revolved the double end trapezoidal thread that screw rod is M36, pitch 6, and bearing height is between 1.5m～2.5m, and maximum capacity was 3 tons when 2m was high, and maximum capacity was 2.5 tons when 2.5m was high.As shown in Figure 1, the described portable spiral pillar of the utility model, it comprises about a sole 1, seamless steel pipe 2, left-handed nut 3, double end revolves screw rod 4, right-handed nut 5, bearing plate assembly 6; Corresponding, right-handed nut 5 is assembled at the two ends of revolving screw rod 4 about double end respectively, and seamless steel pipe 2 comprises two, is enclosed within the two ends of revolving screw rod 4 about double end respectively, fixes with respective nut, and two groups are propped up the end that sole 1 is separately fixed at two seamless steel pipes 2.Every group is propped up sole 1 and comprises three block plates; They are distributed on the external diameter circumference of seamless steel pipe 2; And length direction stretches out the port of seamless steel pipe 2; Chamfering in wherein the contact edge of the extension of two block plates and seamless steel pipe 2 is processed, the contact edge of a block plate and seamless steel pipe 2 is in seamless steel pipe 2 is stretched in the port of seamless steel 2.The middle part of revolving screw rod 4 about double end does not have the midpoint of thread segment and offers a round tube hole 41 perpendicular to this screw rod.Bearing plate assembly 6 comprises base plate 61, and vertical fixing is in the cylinder 62 at base plate 61 centers, and perpendicular to cylinder 62 length directions, be fixed in the band breach round steel ring 63 of cylinder 62 upper ends, cylinder 62 adds the internal diameter of the external diameter of round steel ring 63 less than seamless steel pipe 2.
At first choose the pillar place to use according to the slanting angle of ore body or catalase situation, according to the loose situation of top board and base plate, whether decision wears bearing plate at the upper and lower side of pillar, pursues the root supporting forward along the direction that gets into the scope of operation.Wear bearing plate if desired, at first that piece of breach centering with the band breach round steel 63 of bearing plate assembly 6 stretches into the leg slab plate in the seamless steel pipe 2, cylinder 62 is inserted in the seamless steel pipes 2 to get final product then.Adjust again and revolve screw rod 4 about double end; Make left-handed nut 3 and right-handed nut 5 respectively to two ends up-down up and down; Thereby the base plate 61 of a sole 1 and bearing plate assembly 6 withstands the top board and the base plate in roadway or tunnel respectively; Use the round steel that matches with round tube hole 41 to cooperate reinforcing to tighten the certain pretightning force of generation with sleeve pipe again, accomplish the supporting operation of pillar revolving screw rod 4 about double end.Two of midpoint welding or three round steel of also can not having thread segment at the middle part of revolving screw rod 4 about double end cooperate reinforcing to tighten to revolve screw rod 4 about double end with sleeve pipe.The demolishing process of pillar is just opposite.
Embodiment two, select for use about the seamless pipe, double end of Φ 63X4 to revolve the double end trapezoidal thread that screw rod is M48, pitch 12, and bearing height is between 1.5m～3.5m, and maximum capacity was 5 tons when 2.5m was high, and maximum capacity was 2.5 tons when 3.5m was high.The structure of present embodiment, a same embodiment of method for using.
Claims (4)
1. portable spiral pillar; It is characterized in that: it comprises about a sole, seamless steel pipe, left-handed nut, double end revolves screw rod, right-handed nut, bearing plate assembly; Left-handed nut, right-handed nut are assemblied in the two ends of revolving screw rod about double end respectively, and seamless steel pipe comprises two, is enclosed within the two ends of revolving screw rod about double end respectively; Fix with respective nut; Prop up sole and comprise two groups, be individually fixed in the end of said two seamless steel pipes, said bearing plate assembly can be selected to install or do not install in the outer end of a sole.
2. portable spiral pillar as claimed in claim 1; It is characterized in that: said every group is propped up sole and comprises three block plates; They are distributed on the external diameter circumference of seamless steel pipe; And length direction stretches out the port of seamless steel pipe, and wherein the contact edge of the extension of two block plates and seamless steel pipe begins to process interior chamfering from the port of seamless steel pipe, and the contact edge of a block plate and seamless steel pipe stretches in the seamless steel pipe in the port of seamless steel pipe.
3. portable spiral pillar as claimed in claim 1; It is characterized in that: said bearing plate assembly comprises base plate; Vertical fixing is in the cylinder at base plate center; Perpendicular to the cylinder length direction, be fixed in the band breach round steel ring of cylinder upper end, said cylinder adds the internal diameter of the external diameter of round steel ring less than seamless pipe.
4. portable spiral pillar as claimed in claim 1 is characterized in that: the middle part of revolving screw rod about said double end does not have the midpoint of thread segment and offers a round tube hole perpendicular to this screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201393023U CN202493278U (en) | 2012-04-05 | 2012-04-05 | Portable spiral brace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201393023U CN202493278U (en) | 2012-04-05 | 2012-04-05 | Portable spiral brace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202493278U true CN202493278U (en) | 2012-10-17 |
Family
ID=46999512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201393023U Expired - Fee Related CN202493278U (en) | 2012-04-05 | 2012-04-05 | Portable spiral brace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202493278U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481358A (en) * | 2015-08-29 | 2017-03-08 | 冉福锋 | A kind of board wall telescopic column of mine filling recoverable |
| CN106948840A (en) * | 2017-05-17 | 2017-07-14 | 洛阳理工学院 | A kind of method for building new tunnel with old tunnel cross |
| CN108643945A (en) * | 2018-05-14 | 2018-10-12 | 陈玉玲 | A kind of height-adjustable coal mine roadway suspension device |
-
2012
- 2012-04-05 CN CN2012201393023U patent/CN202493278U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481358A (en) * | 2015-08-29 | 2017-03-08 | 冉福锋 | A kind of board wall telescopic column of mine filling recoverable |
| CN106948840A (en) * | 2017-05-17 | 2017-07-14 | 洛阳理工学院 | A kind of method for building new tunnel with old tunnel cross |
| CN106948840B (en) * | 2017-05-17 | 2019-04-30 | 洛阳理工学院 | A method of new tunnel is built with old tunnel cross |
| CN108643945A (en) * | 2018-05-14 | 2018-10-12 | 陈玉玲 | A kind of height-adjustable coal mine roadway suspension device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121017 Termination date: 20180405 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |