CN2818782Y - Anchor bolt - Google Patents
Anchor bolt Download PDFInfo
- Publication number
- CN2818782Y CN2818782Y CN 200520087108 CN200520087108U CN2818782Y CN 2818782 Y CN2818782 Y CN 2818782Y CN 200520087108 CN200520087108 CN 200520087108 CN 200520087108 U CN200520087108 U CN 200520087108U CN 2818782 Y CN2818782 Y CN 2818782Y
- Authority
- CN
- China
- Prior art keywords
- rod
- rod body
- anchor
- square steel
- twisted
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model relates to an anchor rod, particularly a supporting product used for underground laneways in a coal mine. The anchor rod comprises a rod body (1) and an anchor head (2) which is positioned on one end of the rod body (1). The utility model is characterized in that the rod body (1) is made of square steel, and the rod body (1) is twisted into the shape of a bread twist. After the rod body of the anchor rod adopts the square steel to be twisted into the shape of a bread twist, the diagonal line of the square steel forms the diameter of the rod body of the anchor rod. On the premise that the tensile strength and the yield strength of the anchor rod are guaranteed, compared with the adoption of screw-thread steel with the same diameter, the utility model has the advantages that raw materials are saved by more than 20 percent, the cost is reduced and the blank space in the field is filled.
Description
Technical field
The utility model relates to a kind of anchor pole, relates to a kind of supporting product that the colliery underworkings uses that is used for specifically.
Background technology
Along with the development of mine bolt support technology, anchor pole increases gradually at the consumption of down-hole.Existing anchor pole uses screw-thread steel to make the body of rod in a large number, and the steel expense is very big.Guarantee tensile strength and yield strength instructions for use prerequisite under, economizing on resources, reducing cost has become current global one big problem.
Summary of the invention
The technical problems to be solved in the utility model is: a kind of both can satisfy colliery underworkings anchoring needs, the anchor pole that can save raw material again, reduces cost are provided.
This technical scheme of using novel its technical problem of solution to be adopted is: this anchor pole, comprise the body of rod and the anchor head that is positioned at the body of rod one end, and it is characterized in that: the body of rod adopts square steel to be twisted into twisted shape.
The catercorner length of square steel is 16 millimeters-24 millimeters.
The body of rod one end end is provided with screw thread.
Compared with prior art, the beneficial effect that anchor pole of the present utility model has is: after the body of rod of anchor pole adopts square steel to be twisted into twisted shape, the diagonal of square steel becomes the diameter of anchor rod body, under the prerequisite of tensile strength that guarantees anchor pole and yield strength, compare with the screw-thread steel that adopts same diameter, save raw material more than 20%, and can reduce cost greatly.Filled up the blank in this area.
Description of drawings
Fig. 1 is embodiment 1 structural representation of the present utility model;
Fig. 2 is embodiment 2 structural representations of the present utility model.
The specific embodiment
Fig. 1-2 is a most preferred embodiment of the present utility model, wherein: 1, the body of rod 2, anchor head 3, screw thread.
1-2 is further described the utility model below in conjunction with accompanying drawing:
As shown in Figure 1, the body of rod 1 adopts square steel to be twisted into twisted shape, and anchor head 2 is at an end of the body of rod 1.After square steel was twisted into twisted shape, the diagonal of square steel grew up to the diameter for the fried dough twist steel.The body of rod 1 adopts this fried dough twist steel and original screw-thread steel to compare, and when diameter was identical, the needed raw material of fried dough twist steel were less than screw-thread steel.
Fried dough twist steel with 20 millimeters of diameters is an example.Adopt 15 millimeters * 15 millimeters square steel, can reach about 20 millimeters through the cold fried dough twist steel external diameter that is modified to.The about 1.77kg of weight that 15 millimeters * 15 millimeters square steel is every meter, the screw-thread steel that diameter is 20 millimeters then is every meter 2.47kg.Tensile strength is greater than 620Mpa, and yield strength is greater than 420Mpa, under the prerequisite that reaches identical tensile strength and yield strength, uses the fried dough twist steel to compare with screw-thread steel, can save about 0.7kg raw material for every meter.Calculate according to the annual use amount hundreds of thousands of the existing metallic rod body anchor pole of China ton, can save 28% raw material, will save great deal of steel.
As shown in Figure 2, the body of rod 1 adopts square steel to be twisted into twisted shape, and the cold modification of an end of the body of rod 1 is processed into shape of threads, can realize the requirement that threaded screw is fixing and can regulate.
The body of rod 1 adopts square steel to be twisted into twisted shape, can also be processed into an end band cat head 2, and the cat bar of the other end threaded 3 has adapted to the different instructions for uses under the coal mine.
Claims (3)
1, a kind of anchor pole comprises the body of rod (1) and is positioned at the anchor head (2) of the body of rod (1) one end, it is characterized in that: the body of rod (1) adopts square steel to be twisted into twisted shape.
2, anchor pole according to claim 1 is characterized in that: the catercorner length of square steel is 16 millimeters-24 millimeters.
3, anchor pole according to claim 1 is characterized in that: the body of rod (1) one end end is provided with screw thread (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520087108 CN2818782Y (en) | 2005-09-14 | 2005-09-14 | Anchor bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520087108 CN2818782Y (en) | 2005-09-14 | 2005-09-14 | Anchor bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2818782Y true CN2818782Y (en) | 2006-09-20 |
Family
ID=37004836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520087108 Expired - Fee Related CN2818782Y (en) | 2005-09-14 | 2005-09-14 | Anchor bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2818782Y (en) |
-
2005
- 2005-09-14 CN CN 200520087108 patent/CN2818782Y/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201144943Y (en) | Nut assembly for glass fiber complete thread anchor rod | |
| CN201100130Y (en) | Continuous screw thread resin anchor pole | |
| CN2818782Y (en) | Anchor bolt | |
| CN201180722Y (en) | High-strength large hex bolt for steel structure | |
| CN2818781Y (en) | Conveniently-bending anchor bolt | |
| CN205503688U (en) | But wrong bolt is pulled to double -end | |
| CN202595296U (en) | Adjustable crust breaking air cylinder for aluminum electrolytic bath | |
| CN205064515U (en) | Easily pull wrong bolt | |
| CN206111946U (en) | Press from both sides and tightly spend orchid | |
| CN2818784Y (en) | Anchor bolt | |
| CN202926358U (en) | Anchor cable and anchor rod combined support device | |
| CN2182209Y (en) | Connector for reinforcing bar | |
| CN201857983U (en) | Metal wire and fiber-reinforced plastic composite anchor rod body | |
| CN201007215Y (en) | Dish shaped drop panel right hand threads anchor rod | |
| CN203536166U (en) | Positioning nail for oil tank of transformer | |
| CN2541605Y (en) | Wedge anchor arm | |
| CN206092812U (en) | Orchid is tightly spent to special clamp | |
| CN2174566Y (en) | Anchoring-bolt with steel wire rope structure | |
| CN204703935U (en) | Anchor pole is with stirring pin nut | |
| CN201810327U (en) | Steel strand anchor rod of extruding anchor with external threads | |
| CN201344040Y (en) | High-strength pretightening force yielding glass fiber reinforced plastic anchor bar | |
| CN2786280Y (en) | Expansion pipe for reclaimable plastic anchor rod | |
| CN205908592U (en) | Novel irregular bolt | |
| CN2851691Y (en) | Dual-head screw | |
| CN2818783Y (en) | Fast-bending anchor bolt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |