CN202483595U - Linked toppling-preventive device of single hydraulic props - Google Patents
Linked toppling-preventive device of single hydraulic props Download PDFInfo
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- CN202483595U CN202483595U CN2012201026556U CN201220102655U CN202483595U CN 202483595 U CN202483595 U CN 202483595U CN 2012201026556 U CN2012201026556 U CN 2012201026556U CN 201220102655 U CN201220102655 U CN 201220102655U CN 202483595 U CN202483595 U CN 202483595U
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- anchor ear
- extension bar
- hole
- hydraulic props
- single hydraulic
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Abstract
The utility model relates to a linked toppling-preventive device of single hydraulic props, which includes a hoop that can be locked on multiple single hydraulic props and consists of two semi-circular tiles matched with the excircles of the single hydraulic props, wherein bolt holes are arranged on the two sides of the arc parts of the semi-circular tiles; two lock bolts connecting the two semi-circular tiles and being locked on the single hydraulic props penetrate the two bolt holes respectively; the hoop is fixedly connected with one end of a connecting rod; an insert pipe hole is arranged at the other end of the connecting rod; an insert pipe penetrates the insert pipe hole in the connecting rod of the multiple single hydraulic props. By adopting the structure of hoop, connecting rod and insert pipe, the multiple single hydraulic props are combined into a prop system, the single hydraulic props are linked, the self-descending toppling during the production process or the toppling caused by accidental pushing of the single hydraulic props are prevented, and the safety production is ensured.
Description
Technical field
The utility model relates to the chain tilting prevention device of a kind of hydraulic prop, is a kind of mechanical device, is a kind of mechanical device that is used for mine.
Background technology
Hydraulic prop is as the prevailing supporting equipment of coal mining work plane; Be widely used in work plane two side outlets, crossheading or other laneway temporary supports; Occur easily in use that monomer skews from falling, the tunnel presses phenomenons such as pushing over monomer suddenly, influence constructor's personal safety.Usually between adjacent monomer, used the wire rope or the chain ways of connecting of falling to realize falling of monomer in the past; But still having run-off the straight, safety factor is low, problems such as operation, suspension inconvenience; Can not play effectively anti-down effect, bring hidden danger to safety in production.
Summary of the invention
In order to overcome prior art problems; The utility model provides the chain tilting prevention device of a kind of hydraulic prop, described device will be one by one independently hydraulic prop combine, form a pillar system; Increase security performance, guarantee constructor's safety.
The purpose of the utility model is achieved in that the chain tilting prevention device of a kind of hydraulic prop; Comprise: can be locked at the anchor ear on a plurality of hydraulic props; Described anchor ear watt is made up of two semicircles that are consistent with the cylindrical of hydraulic prop; The both sides of described semicircle watt arch section are respectively equipped with bolt hole; Pass respectively in described two bolts hole two semicircles watt are linked together and are locked at two lock bolts on the hydraulic prop, described anchor ear is fixedly connected with an end of extension bar, and the other end of said extension bar is provided with insertion hole; Pass intubate in the described insertion hole, described intubate is passed the insertion hole on the extension bar on a plurality of hydraulic props.
The beneficial effect that the utility model produces is: the utility model adopts the structure of anchor ear, extension bar, intubate; A plurality of hydraulic props are combined into struts; Make between the hydraulic prop and connect each other; Prevent that hydraulic prop from skewing from falling in process of production, or phenomenon such as pushed over, guaranteed safety in production by accident.Intubate connects mutually through inserting mode for convenience detach, and is connected with hydraulic prop.When hydraulic prop moves, only need to insert and extract intubate out, promptly detachable, easy to operate, fixed to monomer because the intensity of intubate is high, safety factor is high.The position of described anchor ear on hydraulic prop can move up and down arbitrarily, and therefore, the contact between each hydraulic prop does not receive the influence of tunnel fluctuations, and practicality is stronger.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Fig. 1 is the structural representation of the embodiment one said device of the utility model;
Fig. 2 is embodiment one, the two described anchor ears of the utility model and the sketch map of extension bar, is that Figure 1A-A is to sectional view;
Fig. 3 is the embodiment three described anchor ears of the utility model and the sketch map of extension bar, is that Fig. 1 A-A is to sectional view;
Fig. 4 is the sketch map of syndeton of embodiment five, the six said intubate of the utility model, is that Fig. 1 B-B is to sectional view.
The specific embodiment
Embodiment one:
Present embodiment is the chain tilting prevention device of a kind of hydraulic prop, like Fig. 1, shown in 2.Present embodiment comprises: can be locked at the anchor ear 2 on a plurality of hydraulic props 1; Described anchor ear is made up of two semicircles that are consistent with the cylindrical of hydraulic prop watts 201; The both sides of described semicircle watt arch section are respectively equipped with bolt hole; Pass respectively in described two bolts hole two semicircles watt are linked together and are locked at two lock bolts 202 on the hydraulic prop, described anchor ear is fixedly connected with an end of extension bar 4, and the other end of said extension bar is provided with insertion hole; Pass intubate 3 in the described insertion hole, described intubate is passed the insertion hole on the extension bar on a plurality of hydraulic props.
The described anchor ear of present embodiment is the parts that are fixedly connected with hydraulic prop.Because the profile of hydraulic prop is columniform rod-like members, therefore, present embodiment adopts the anchor ear of two semicircle watt formulas.Two semicircles watt can be fixed on the periphery of columniform hydraulic prop with two lock bolts very easily, and the position can select arbitrarily, and this point is very meaningful for up-and-down tunnel.Hydraulic prop can not be on a horizontal plane in up-and-down tunnel; And intubate is a rigidity; Must on a horizontal plane, could connect; Because anchor ear can be fastened on hydraulic prop along on the optional position of gyroaxis, so can guarantee that intubate on a level does not have, forms stable connection.
The material of anchor ear can be the steel plate bending and molding, also can be steel-casting.
The semicircle of anchor ear watt bends exactly steel plate with strip with steel plate and bends and form the circular shape that matches with monomer liquid column periphery, and the circular arc portion of two semicircles watt is buckled together the circle that diameter of formation is slightly less than the hydraulic prop external diameter.The two ends of circular arc portion are provided with the hanger in strap bolt hole.The hanger at two ends is on a horizontal plane, so that erection bolt.
If anchor ear is a steel plate to bend and form, described extension bar will form a part separately.The two ends of such extension bar are provided with the hole that is connected with intubate with anchor ear.The lock bolt of anchor ear can be used in the hole that is connected with anchor ear, is fixedly connected with anchor ear.Intubate is passed in the hole of the extension bar other end.
The semicircle of anchor ear watt also can be used steel-casting, casts out with cast steel on the ear platform in semicircular circular arc portion and strap bolt hole, circular arc portion two ends.
If anchor ear is a steel-casting, then described extension bar can be independent part, also can make together with the block casting in two semicircles of anchor ear watt, forms a part.For convenience's sake, can also universal coupling be set in the junction of extension bar and semicircle watt, to make things convenient for the installation between the hydraulic prop.
The described intubate of present embodiment is a kind of pipe that each hydraulic prop is connected.Pipe is a kind of section bar, and certain regular length is arranged, and links together for making more monomer liquid column, needs longer pipe, for this reason, can the pipe of regular length is end to end, connect into long tube, this just needs connecting elements for convenience detach.Connecting elements has various ways, for example: the form of grafting, the form of the form that is threaded, door marketing etc.
The employed plug-in unit of pegging graft can adopt one section bearing pin that external diameter is identical with cannula inner diameter, and an end of bearing pin is fixedly connected on the head of one section intubate, and the other end of bearing pin is inserted the afterbody like another section intubate.The bearing pin that inserts the intubate afterbody can also use the bolt of crossing bearing pin and intubate connecting portion.
Embodiment two:
Present embodiment is embodiment one about improving, and is the refinement of embodiment one about anchor ear, and is as shown in Figure 2.The described anchor ear of present embodiment is the steel plate bending and molding; Described bolt hole is arranged on the hanger at arch section two ends, and the hole is established at described extension bar two ends, and an end is an insertion hole; Any described lock bolt is passed in the hole of the other end, by lock bolt extension bar is fixedly connected with anchor ear.
The semicircle that the described anchor ear of present embodiment is bent by two block plates watt is formed, and the two ends of the circular arc portion of said semicircle watt are provided with hanger, and the hanger at two ends is parallel.The circular arc portion of two semicircles watt combines, and forms a full circle, and its internal diameter is slightly less than the outside diameter of hydraulic prop, so that after the circular arc portion two ends are with bolt locking, can be fixed on the hydraulic prop.
The described extension bar of present embodiment and semicircle watt are what to separate, are connecting rods that two ends are porose.One end of extension bar is connected the hole grafting intubate of the other end through the lock bolt of locking semicircle watt with anchor ear.Utilize lock bolt to be connected with a benefit, be that the junction is the equal of that hinge connects, and provides certain convenience to installation.
Embodiment three:
Present embodiment is the improvement of embodiment one, is the refinement of embodiment one about anchor ear, and is as shown in Figure 3.The described anchor ear of present embodiment is a steel-casting, and described bolt hole is arranged on the ear platform at arch section two ends, and any block casting of an end of described extension bar and two semicircles watt is made and is connected.
The steel-casting semicircle watt ear platform that is connected with circular arc portion can be slightly thicker for gaining in strength, and the platform that after machine, produces is beneficial to bolt locking more.
Extension bar shown in the present embodiment can be with being cast in of any one semicircle watt, but the position relation that is provided with like this between anchor ear and the intubate is too fixing, brings certain difficulty to installation.The mode that solves is extension bar or leaves with the semicircle watt-minute that connect with hinge, this hinge is ball pivot preferably between the two.
Embodiment four:
Present embodiment is the improvement of the foregoing description, is the refinement of the foregoing description about intubate.The described intubate of present embodiment is formed by plurality of sections of steel pipes is end to end, and described end to end place is provided with connecting elements.
The described connecting elements of present embodiment must be for convenience detach, and various ways can be arranged, for example: and peg graft, be threaded, a door type pin connects,
Embodiment five:
Present embodiment is the improvement of embodiment four, is that embodiment four is as shown in Figure 4 about the refinement of connecting elements.The described connecting elements of present embodiment is the external diameter bearing pin identical with cannula inner diameter 303, and described bearing pin one end is welded to connect the head 302 at a steel pipe, and the other end inserts the afterbody 301 of another steel pipe.
Present embodiment uses a bearing pin that two sections steel pipes are coupled together.
Embodiment six:
Present embodiment is the improvement of embodiment five, is the refinement of embodiment five about connecting elements, and is as shown in Figure 4.The part that the described bearing pin of present embodiment inserts the steel pipe afterbody is provided with and the fixing pin bolt 304 of steel pipe afterbody.
What should explain at last is; Below only unrestricted in order to the technical scheme of explanation the utility model; Although the utility model is specified with reference to the preferred arrangement scheme; Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model (such as the shape of anchor ear, with the connected mode of connected mode, extension bar and the intubate of extension bar etc.), and do not break away from the spirit and the scope of the utility model technical scheme.
Claims (6)
1. chain tilting prevention device of hydraulic prop; Comprise: can be locked at the anchor ear on a plurality of hydraulic props; Described anchor ear watt is made up of two semicircles that are consistent with the cylindrical of hydraulic prop, and the both sides of described semicircle watt arch section are respectively equipped with bolt hole, passes respectively in described two bolts hole two semicircles watt are linked together and are locked at two lock bolts on the hydraulic prop; Described anchor ear is fixedly connected with an end of extension bar; The other end of said extension bar is provided with insertion hole, passes intubate in the described insertion hole, and described intubate is passed the insertion hole on the extension bar on a plurality of hydraulic props.
2. device according to claim 1; It is characterized in that described anchor ear is the steel plate bending and molding, described bolt hole is arranged on the hanger at arch section two ends; The hole is established at described extension bar two ends; One end is an insertion hole, and any described lock bolt is passed in the hole of the other end, by lock bolt extension bar is fixedly connected with anchor ear.
3. device according to claim 1 is characterized in that, described anchor ear is a steel-casting, and described bolt hole is arranged on the ear platform at arch section two ends, and any block casting of an end of described extension bar and two semicircles watt is made and is connected.
4. according to the described device of one of claim 1-3, it is characterized in that described intubate is formed by plurality of sections of steel pipes is end to end, described end to end place is provided with connecting elements.
5. device according to claim 4 is characterized in that, described connecting elements is the external diameter bearing pin identical with cannula inner diameter, and described bearing pin one end is welded to connect the head at a steel pipe, and the other end inserts the afterbody of another steel pipe.
6. device according to claim 5 is characterized in that, the part that described bearing pin inserts the steel pipe afterbody is provided with and the fixing pin bolt of steel pipe afterbody.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201026556U CN202483595U (en) | 2012-03-19 | 2012-03-19 | Linked toppling-preventive device of single hydraulic props |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201026556U CN202483595U (en) | 2012-03-19 | 2012-03-19 | Linked toppling-preventive device of single hydraulic props |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202483595U true CN202483595U (en) | 2012-10-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201026556U Expired - Lifetime CN202483595U (en) | 2012-03-19 | 2012-03-19 | Linked toppling-preventive device of single hydraulic props |
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| Country | Link |
|---|---|
| CN (1) | CN202483595U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244154A (en) * | 2013-05-22 | 2013-08-14 | 赵明 | Mining single hydraulic prop safety belt |
| CN105257322A (en) * | 2015-09-29 | 2016-01-20 | 北京科技大学 | Tunnel frame type advance timbering structure and method |
| CN107559265A (en) * | 2017-09-25 | 2018-01-09 | 大同煤矿集团有限责任公司 | Hydraulic prop quality inspection machine |
| CN112459812A (en) * | 2020-12-31 | 2021-03-09 | 山东里能鲁西矿业有限公司 | Combined single hydraulic prop |
| CN114592895A (en) * | 2022-03-30 | 2022-06-07 | 安徽夏晟机电科技有限公司 | Mining hydraulic support |
-
2012
- 2012-03-19 CN CN2012201026556U patent/CN202483595U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244154A (en) * | 2013-05-22 | 2013-08-14 | 赵明 | Mining single hydraulic prop safety belt |
| CN105257322A (en) * | 2015-09-29 | 2016-01-20 | 北京科技大学 | Tunnel frame type advance timbering structure and method |
| CN107559265A (en) * | 2017-09-25 | 2018-01-09 | 大同煤矿集团有限责任公司 | Hydraulic prop quality inspection machine |
| CN112459812A (en) * | 2020-12-31 | 2021-03-09 | 山东里能鲁西矿业有限公司 | Combined single hydraulic prop |
| CN114592895A (en) * | 2022-03-30 | 2022-06-07 | 安徽夏晟机电科技有限公司 | Mining hydraulic support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100013 Beijing city Chaoyang District Hepingli 13 No. 35 coal Street building room 1006 Patentee after: BEIJING TIANDI HUATAI MINING MANAGEMENT CO., LTD. Address before: 100013 Beijing city Chaoyang District Hepingli 13 No. 35 coal Street building room 1006 Patentee before: Beijing Tiandi Huatai Mining Engineering & Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121010 |