CN111058883A - Single hydraulic prop and use method thereof - Google Patents

Abstract

The invention relates to the technical field of mine roadway engineering tools, in particular to a single hydraulic prop and a using method thereof. This hydraulic prop includes hydraulic pressure post body and screens subassembly, the screens subassembly includes the fixing base, sliding seat and elastic component, the upper end of hydraulic pressure post body can be dismantled with the lower surface of fixing base and be connected, the sliding seat is lower extreme open-ended cavity casing, the roof inside wall of sliding seat is equipped with the mounting hole with elastic component looks adaptation, the mounting hole off-centre sets up in the roof of sliding seat, the lower extreme of elastic component links to each other with the upper surface of fixing base, the upper end of elastic component stretches into to the inside of mounting hole. The invention can overcome the defect that the single hydraulic prop is not uniformly stressed due to the fact that the top end of the traditional single hydraulic prop cannot be inclined along with the metal cross beam, and the single hydraulic prop is not easy to damage, stable and reliable in support and better in support effect.

Description

Single hydraulic prop and use method thereof

Technical Field

The invention relates to the technical field of mine roadway engineering tools, in particular to a single hydraulic prop and a using method thereof.

Background

At present, a metal shed type support formed by matching single hydraulic supports with metal beams is a commonly used advance support structure for mine roadways. However, the combined structure has the following two defects in engineering application due to the connection problem between the single hydraulic prop and the metal cross beam. Firstly, the top plate of the roadway is uneven, the cross beam and the top plate cannot be in full surface contact, and the top ends of the single hydraulic supports cannot be swung and adjusted, so that a gap exists between the top ends of the metal cross beam and the single hydraulic supports, and the single hydraulic supports are extremely easy to topple due to the eccentric axial force. Secondly, when the top plate of the roadway has a certain inclination angle, a large gap is inevitably formed between the top end of the single hydraulic prop and the metal cross beam, the surface contact under the ideal condition is changed into line contact, and the support formed by the single hydraulic prop and the metal cross beam is extremely easy to be pushed transversely. Therefore, the top ends of the existing single hydraulic supports cannot be inclined along with the metal cross beam, so that the top ends of the single hydraulic supports are stressed unevenly, the single hydraulic supports are easy to damage, and the single hydraulic supports are easy to be pushed down by the transverse acting force of the top ends, so that the support fails.

Disclosure of Invention

Technical problem to be solved

The invention aims to provide a single hydraulic prop and a using method thereof, which solve the problem that the top end of the existing single hydraulic prop cannot incline along with a metal cross beam.

(II) technical scheme

In order to solve the technical problem, the invention provides a single hydraulic prop which comprises a hydraulic prop body and a clamping component, wherein the clamping component comprises a fixed seat, a movable seat sleeved outside the fixed seat and an elastic part arranged between the fixed seat and the movable seat, and the upper end of the hydraulic prop body is detachably connected with the lower surface of the fixed seat; the movable seat is a cavity shell with an opening at the lower end, the inner side wall of the top plate of the movable seat is provided with a mounting hole matched with the elastic piece, and the mounting hole is eccentrically arranged on the top plate of the movable seat; the lower end of the elastic part is connected with the upper surface of the fixed seat, and the upper end of the elastic part extends into the mounting hole; the lateral plate inside wall of sliding seat with the surface clearance setting of fixing base.

Furthermore, the upper surface of fixing base eccentric settings has the elastic component mount pad, the lower extreme of elastic component with the installation of elastic component mount pad is fixed.

Furthermore, the roof lateral wall of sliding seat is equipped with the strip screens arch that two intervals set up, two the strip screens arch is parallel to each other.

Specifically, the cross section of the movable seat is rectangular, and the cross section of the fixed seat is rectangular matched with the movable seat.

Furthermore, the lower surface of fixing base is equipped with the plug connector, the upper end of hydraulic pressure post body be equipped with the inserting groove of plug connector looks adaptation, the plug connector with the inserting groove is pegged graft mutually.

Specifically, the plug connector comprises a first plug board and a second plug board, the first plug board and the second plug board are perpendicular to the lower surface of the fixing seat, and the first plug board and the second plug board are arranged in a crossed mode.

Specifically, the hydraulic column body including fixed cylinder body and with fixed cylinder body telescopic connection's flexible post, the upper end of flexible post with the connection can be dismantled to the fixing base.

Further, still include the base, the lower extreme of fixed cylinder body with base fixed connection.

Furthermore, a hydraulic joint is also arranged on the side wall of the fixed cylinder body.

The invention provides a use method of the single hydraulic prop, which comprises the following steps:

placing a hydraulic column body at a preset position in a roadway to enable a base at the lower end of the hydraulic column body to be in stable contact with a bottom plate of the roadway;

inserting the plug connector on the lower surface of the fixing seat into the plug-in groove at the upper end of the hydraulic column body, so that the fixing seat and the hydraulic column body are firmly installed;

one end of an elastic piece is arranged on an elastic piece mounting seat on the upper surface of the fixed seat, and then the movable seat is sleeved outside the fixed seat, so that the other end of the elastic piece extends into a mounting hole in the inner side wall of a top plate of the movable seat;

the metal beam is placed between the two strip-shaped clamping bulges on the outer side wall of the top plate of the movable seat, so that the lower surface of the metal beam can be completely attached and contacted with the upper surface of the top plate of the movable seat.

(III) advantageous effects

The technical scheme of the invention has the following advantages:

the single hydraulic prop and the use method thereof have the advantages that the lower surface of the fixed seat is detachably connected with the upper end of the hydraulic prop body, the assembly is convenient, the lower end of the elastic piece is connected with the upper surface of the fixed seat by eccentrically arranging the mounting hole on the top plate of the movable seat, and the upper end of the elastic piece extends into the mounting hole, so that the movable seat can incline to one side relative to the fixed seat after being assembled with the fixed seat, the angle of the movable seat can be adjusted under the elastic force of the elastic piece, and when the metal cross beam is arranged at the upper end of the movable seat, the movable seat can adapt to the inclination angle of the metal cross beam, so that the lower surface of the metal cross beam can be completely attached and contacted with the upper surface of the top plate of the movable seat. Therefore, the single hydraulic prop can overcome the defect that the single hydraulic prop is not uniformly stressed due to the fact that the top end of the traditional single hydraulic prop cannot incline along with the metal cross beam, is not easy to damage, and is stable and reliable in supporting and better in supporting effect.

Drawings

FIG. 1 is a schematic structural diagram of a single hydraulic prop according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a hydraulic column body in a single hydraulic prop according to an embodiment of the present invention;

FIG. 3 is a schematic view of the clamping assembly of the single hydraulic prop in a split state according to the embodiment of the present invention;

FIG. 4 is a schematic view of the assembled state of the clamping assembly in the single hydraulic prop according to the embodiment of the present invention;

FIG. 5 is a cross-sectional view of a detent assembly in a single hydraulic prop according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a fixing seat in a single hydraulic prop according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a movable seat in a single hydraulic prop according to an embodiment of the present invention.

In the figure:

1: a hydraulic column body; 101: fixing the cylinder body; 102: a telescopic column; 103: inserting grooves; 104: a base; 105: a hydraulic joint;

2: a clamping component; 201: a fixed seat; 202: a movable seat; 202A: a top plate; 202B: a side plate; 203: an elastic member; 204: mounting holes; 205: an elastic member mounting base; 206: the strip-shaped clamping bulges are arranged; 207: a plug-in unit; 207A: a first patch panel; 207B: a second pinboard.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1 to 7, the embodiment of the present invention provides a single hydraulic prop, which includes a hydraulic prop body 1 and a clamping assembly 2.

The clamping assembly 2 includes a fixed seat 201, a movable seat 202 sleeved outside the fixed seat 201, and an elastic member 203 disposed between the fixed seat 201 and the movable seat 202. The elastic member 203 may be a spring with high elasticity. The movable seat 202 is a cavity shell with an opening at the lower end, a mounting hole 204 matched with the elastic piece 203 is arranged on the inner side wall of the top plate 202A of the movable seat 202, and the mounting hole 204 is eccentrically arranged on the top plate 202A of the movable seat 202. The lower end of the elastic member 203 is connected to the upper surface of the fixing base 201, and the upper end of the elastic member 203 extends into the mounting hole 204. The clearance setting of curb plate 202B inside wall of sliding seat 202 and the surface of fixing base 201, that is, when sliding seat 202 suit was on fixing base 201, clearance setting between sliding seat 202 and the fixing base 201 for sliding seat 202 can be for fixing base 201 activity.

Wherein, the upper end of hydraulic column body 1 can be dismantled with the lower surface of fixing base 201 and be connected, is convenient for realize the assembly between hydraulic column body 1 and the screens subassembly 2.

Because the mounting hole 204 is eccentrically arranged on the top plate of the movable seat 202, after the fixed seat 201, the movable seat 202 and the elastic member 203 are assembled, the movable seat 202 can incline to one side relative to the fixed seat 201, and the angle of the movable seat 202 can be adjusted to a certain extent under the elastic force of the elastic member 203. When the metal beam is installed at the upper end of the movable seat 202, the movable seat 202 can adapt to the inclination angle of the metal beam, so that the lower surface of the metal beam can be completely attached and contacted with the upper surface of the top plate 202A of the movable seat 202.

Therefore, the single hydraulic prop provided by the embodiment of the invention has the advantages of simple structure and convenience in assembly, the defect that the single hydraulic prop is not uniformly stressed due to the fact that the top end of the traditional single hydraulic prop cannot incline along with a metal cross beam can be overcome, the single hydraulic prop is stably and reliably supported, the single hydraulic prop is not easy to damage, and the supporting effect is better.

In a further embodiment of the present invention, the upper surface of the fixing base 201 is eccentrically provided with an elastic member mounting base 205, and the lower end of the elastic member 203 is fixedly mounted on the elastic member mounting base 205. By providing the elastic member mounting seat 205, the elastic member 203 and the fixing seat 201 can be mounted and fixed.

In a further embodiment of the present invention, two strip-shaped retaining protrusions 206 are disposed on an outer side wall of the top plate 202A of the movable seat 202 at intervals, and the two strip-shaped retaining protrusions 206 are parallel to each other. By arranging the two strip-shaped clamping protrusions 206, the metal beam can be clamped between the two strip-shaped clamping protrusions 206, so that the metal beam and the movable seat 202 can be installed.

Specifically, the bar-shaped retaining protrusions 206 are symmetrically arranged relative to the mounting holes 204, so as to ensure that the tilt direction of the movable seat 202 can be matched with the tilt direction of the metal beam after the metal beam is assembled with the movable seat 202.

In the embodiment of the present invention, the cross section of the movable seat 202 is rectangular, and the cross section of the fixed seat 201 is rectangular adapted to the movable seat 202.

Of course, the cross section of the movable seat 202 and the fixed seat 201 may be set to other shapes, such as a circle, an ellipse, a triangle, and a polygon with more than four sides, according to the actual use requirement.

In the embodiment of the present invention, the hydraulic column body 1 includes a fixed cylinder 101 and a telescopic column 102 telescopically connected to the fixed cylinder 101, and the upper end of the telescopic column 102 is detachably connected to the fixed base 201.

In a further embodiment of the present invention, a plug 207 is disposed on a lower surface of the fixing base 201, a plug slot 103 adapted to the plug 207 is disposed on an upper end of the telescopic column 102, and the plug 207 is plugged into the plug slot 103.

In a specific embodiment, the plug 207 includes a first plug board 207A and a second plug board 207B, the first plug board 207A and the second plug board 207B are both perpendicular to the lower surface of the fixing base 201, and the first plug board 207A and the second plug board 207B are arranged in a cross shape.

Of course, the structure of the plug 207 may be set according to the actual use requirement. For example, the plug 207 may be provided as a plurality of plug blocks annularly disposed on the lower surface of the fixing base 201, and accordingly, the plug slots 103 are a plurality of plug slots disposed on the upper end surface of the telescopic column 102, corresponding to the plug blocks one by one. For another example, the plug 207 may be a plug column disposed on the lower surface of the fixing base 201, the plug column may be polygonal, and correspondingly, the plug slot 103 is a plug slot disposed on the upper end surface of the telescopic column 102 and adapted to the shape of the plug column. That is, the fixing base 201 and the telescopic column 102 may be installed in a pluggable manner.

In the embodiment of the present invention, the hydraulic column body 1 further includes a base 104, and the lower end of the fixed cylinder 101 is fixedly connected to the base 104. The base 104 may be square. Through setting up base 104, can ensure the stability of hydraulic pressure post body 1, be convenient for with the firm bottom plate of placing in the tunnel of hydraulic pressure post body 1.

In the embodiment of the present invention, a hydraulic connector 105 is further provided on the side wall of the stationary cylinder 101, and the hydraulic connector 105 is used for accessing the high-pressure fluid of the hydraulic pump.

The use method of the single hydraulic prop according to the above embodiment of the present invention specifically includes:

the hydraulic column body 1 is placed at a preset position in the roadway, so that the base 104 at the lower end of the hydraulic column body 1 is stably contacted with the bottom plate of the roadway.

The plug-in connector 207 on the lower surface of the fixing seat 201 is inserted into the plug-in groove 103 on the upper end of the hydraulic column body 1, so that the fixing seat 201 and the hydraulic column body 1 are firmly installed.

One end of the elastic element 203 is mounted on the elastic element mounting seat 205 on the upper surface of the fixed seat 201, and then the movable seat 202 is sleeved outside the fixed seat 201, so that the other end of the elastic element 203 extends into the mounting hole 204 on the inner side wall of the top plate 202A of the movable seat 202.

The metal beam is placed between the two strip-shaped clamping protrusions 206 on the outer side wall of the top plate 202A of the movable seat 202, so that the lower surface of the metal beam can be completely attached and contacted with the upper surface of the top plate 202A of the movable seat 202, the movable seat 202 can incline along with the inclination of the metal beam, and the metal beam cannot be separated from the movable seat 202.

Then, by adopting the installation steps, all the metal beams can be supported by the single hydraulic prop in the embodiment of the invention, so that the installation construction of the metal beam shed is completed.

In summary, according to the single hydraulic prop and the use method thereof provided by the embodiments of the present invention, when the metal beam is installed at the upper end of the movable seat, the movable seat can adapt to the inclination angle of the metal beam, so that the lower surface of the metal beam can be completely attached to and contacted with the upper surface of the top plate of the movable seat, and further the defect that the single hydraulic prop is not uniformly stressed due to the fact that the top end of the conventional single hydraulic prop cannot be inclined with the metal beam is overcome, the single hydraulic prop is not easily damaged, the support is stable and reliable, and the support effect is better.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A single hydraulic prop characterized by: the hydraulic column comprises a hydraulic column body and a clamping component, wherein the clamping component comprises a fixed seat, a movable seat sleeved outside the fixed seat and an elastic part arranged between the fixed seat and the movable seat, and the upper end of the hydraulic column body is detachably connected with the lower surface of the fixed seat; the movable seat is a cavity shell with an opening at the lower end, the inner side wall of the top plate of the movable seat is provided with a mounting hole matched with the elastic piece, and the mounting hole is eccentrically arranged on the top plate of the movable seat; the lower end of the elastic part is connected with the upper surface of the fixed seat, and the upper end of the elastic part extends into the mounting hole; the lateral plate inside wall of sliding seat the surface clearance setting of fixing base.

2. The monoblock hydraulic strut according to claim 1, characterized in that: the upper surface of fixing base eccentric settings has the elastic component mount pad, the lower extreme of elastic component with the installation of elastic component mount pad is fixed.

3. The monoblock hydraulic strut according to claim 1, characterized in that: the roof lateral wall of sliding seat is equipped with the strip screens arch that two intervals set up, two the strip screens arch is parallel to each other.

4. The monoblock hydraulic strut according to claim 1, characterized in that: the cross section of the movable seat is rectangular, and the cross section of the fixed seat is rectangular matched with the movable seat.

5. The monoblock hydraulic strut according to claim 1, characterized in that: the lower surface of fixing base is equipped with the plug connector, the upper end of hydraulic column body be equipped with the inserting groove of plug connector looks adaptation, the plug connector with the inserting groove is pegged graft mutually.

6. The monoblock hydraulic strut according to claim 5, characterized in that: the plug connector comprises a first plug board and a second plug board, the first plug board and the second plug board are perpendicular to the lower surface of the fixing seat, and the first plug board and the second plug board are arranged in a crossed mode.

7. The monoblock hydraulic strut according to claim 1, characterized in that: the hydraulic column body comprises a fixed cylinder body and a telescopic column which is connected with the fixed cylinder body in a telescopic mode, and the upper end of the telescopic column is detachably connected with the fixed seat.

8. The monoblock hydraulic strut according to claim 7, characterized in that: the lower end of the fixed cylinder body is fixedly connected with the base.

9. The monoblock hydraulic strut according to claim 7, characterized in that: and a hydraulic joint is also arranged on the side wall of the fixed cylinder body.

10. A method of using a single hydraulic prop according to any one of claims 1 to 9, characterized in that:

placing a hydraulic column body at a preset position in a roadway to enable a base at the lower end of the hydraulic column body to be in stable contact with a bottom plate of the roadway;

inserting the plug connector on the lower surface of the fixing seat into the plug-in groove at the upper end of the hydraulic column body, so that the fixing seat and the hydraulic column body are firmly installed;

one end of an elastic piece is arranged on an elastic piece mounting seat on the upper surface of the fixed seat, and then the movable seat is sleeved outside the fixed seat, so that the other end of the elastic piece extends into a mounting hole in the inner side wall of a top plate of the movable seat;

the metal beam is placed between the two strip-shaped clamping bulges on the outer side wall of the top plate of the movable seat, so that the lower surface of the metal beam can be completely attached and contacted with the upper surface of the top plate of the movable seat.

Images