CN217129571U - Two-way two accuse side pushes away jack and leading hydraulic support - Google Patents
Two-way two accuse side pushes away jack and leading hydraulic support Download PDFInfo
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- CN217129571U CN217129571U CN202220872356.4U CN202220872356U CN217129571U CN 217129571 U CN217129571 U CN 217129571U CN 202220872356 U CN202220872356 U CN 202220872356U CN 217129571 U CN217129571 U CN 217129571U
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Abstract
The utility model provides a two-way two accuse side pushes away jack and leading hydraulic support relates to the mine and equips technical field. The bidirectional double-control side-pushing jack comprises a piston rod, a left piston, a left cylinder body, a left guide sleeve, a right piston, a right cylinder body and a right guide sleeve. The two-way double-control side-pushing jack of the utility model is applied to the hydraulic support, two side guard plates can be respectively arranged at two sides of the top beam of the hydraulic support, and the two side guard plates are connected by one two-way double-control side-pushing jack of the utility model, so that the whole structure occupies less space of the top beam; the left cylinder body can be driven to extend and retract relative to the left end of the piston rod through the first left oil port and the second left oil port for liquid injection or liquid return, and the right cylinder body can be driven to extend and retract relative to the right end of the piston rod through the first right oil port and the second right oil port for liquid injection or liquid return; the telescopic action of the left cylinder body and the telescopic action of the right cylinder body are independently controlled so as to arbitrarily control the action of the side guard plate on one side of the top beam.
Description
Technical Field
The utility model belongs to the technical field of mine equipment technique and specifically relates to a two-way two accuse side pushes away jack and leading hydraulic support is related to.
Background
The hydraulic support is a main supporting device of the fully mechanized mining face, and the jack is a power part of the hydraulic support. An advance hydraulic support is arranged in a roadway of a fully mechanized mining face to realize advance support of the working face, and a transfer conveyor, a belt conveyor and other equipment are arranged in the middle of the advance hydraulic support. Based on the operating mode, the base and the top beam of present leading hydraulic support are all narrower relatively, place scalable side guard plate at the top beam, but because the top beam space is limited, can only place a side guard plate generally, realize that the side guard plate of one side is strutted. The reason for this is that the side guard plates are driven by unidirectional side pushing jacks, and the arrangement of the unidirectional side pushing jacks also occupies the originally limited space of the top beam, so that it is difficult to arrange two sets of side guard plates and unidirectional side pushing jacks on the top beam.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two-way two accuse side pushes away jack can respectively arrange a side guard plate in advance hydraulic support's back timber both sides to realize the drive to two side guard plates by a two-way two accuse side pushes away jack.
In order to achieve the above object, the present invention adopts the following technical solutions:
a bidirectional double-control side-pushing jack comprises a piston rod, a left piston, a left cylinder body, a left guide sleeve, a right piston, a right cylinder body and a right guide sleeve;
the middle position of the piston rod is provided with a middle assembling part, the left end of the piston rod is assembled with the left piston, and the right end of the piston rod is assembled with the right piston;
the left piston is connected to the inside of the left cylinder body in a sliding mode, the left piston divides the inside of the left cylinder body into a left outer cavity and a left inner cavity, the outer end of the left cylinder body is provided with a left assembling portion, the opening at the inner end of the left cylinder body is provided with the left guide sleeve in an assembling mode, and the piston rod is connected to the inside of the left guide sleeve in a sliding mode;
the right piston is connected to the inside of the right cylinder body in a sliding manner, the right piston divides the inside of the right cylinder body into a right outer cavity and a right inner cavity, the outer end of the right cylinder body is provided with a right assembling part, the opening at the inner end of the right cylinder body is assembled with the right guide sleeve, and the piston rod is connected to the inside of the right guide sleeve in a sliding manner;
the middle position of the piston rod is provided with a first left oil port, a second left oil port, a first right oil port and a second right oil port, a first left oil duct and a second left oil duct are formed inside the left side of the piston rod, a first right oil duct and a second right oil duct are formed inside the right side of the piston rod, the first left oil duct is communicated with the first left oil port and the left outer cavity, the second left oil duct is communicated with the second left oil port and the left inner cavity, the first right oil duct is communicated with the first right oil port and the right outer cavity, and the second right oil duct is communicated with the second right oil port and the right inner cavity.
Preferably, an assembling seat is arranged in the middle of the piston rod, and the middle assembling part is arranged on the assembling seat.
Preferably, the left end of the piston rod is provided with an external thread, a threaded hole is formed in the middle of the left piston, and the left end of the piston rod is in threaded connection with the left piston; the right end of the piston rod is provided with external threads, a threaded hole is formed in the middle of the right piston, and the right end of the piston rod is in threaded connection with the right piston.
Preferably, a threaded hole is formed in an opening at the inner end of the left cylinder body, an external thread is arranged on the outer side of the left guide sleeve, and the opening at the inner end of the left cylinder body is in threaded connection with the left guide sleeve; the inner opening part of the right cylinder body is provided with a threaded hole, the outer side of the right guide sleeve is provided with an external thread, and the inner opening part of the right cylinder body is in threaded connection with the right guide sleeve.
Preferably, the left cylinder body comprises a left cylinder bottom and a left cylinder barrel, the left cylinder bottom is provided with a left assembling part, the left cylinder bottom is fixedly connected with one end of the left cylinder barrel, the left piston is connected inside the left cylinder barrel in a sliding manner, and the opening at the other end of the left cylinder barrel is provided with the left guide sleeve; the right cylinder body comprises a right cylinder bottom and a right cylinder barrel, the right cylinder bottom is provided with a right assembling portion, the right cylinder bottom is fixedly connected with one end of the right cylinder barrel, the right piston is connected inside the right cylinder barrel in a sliding mode, and the opening at the other end of the right cylinder barrel is assembled with the right guide sleeve.
Preferably, the left cylinder bottom is welded with one end of the left cylinder barrel, and the right cylinder bottom is welded with one end of the right cylinder barrel.
Preferably, the middle assembling portion, the left assembling portion and the right assembling portion are provided with hinge holes.
The utility model also provides an advance hydraulic support, including the back timber, a side guard plate is respectively arranged on the left side and the right side of back timber, foretell two-way two accuse side push jack is arranged to the intermediate position of back timber, well assembly portion be assembled between/be assembled between the left side guard plate of back timber, right side assembly portion be assembled between/be assembled between left side guard plate and back timber.
The utility model has the beneficial technical effects that:
the two-way double-control side-pushing jack of the utility model is applied to the hydraulic support, two side guard plates can be respectively arranged at two sides of the top beam of the hydraulic support, and the two side guard plates are connected by one two-way double-control side-pushing jack of the utility model, so that the whole structure occupies less space of the top beam; the left cylinder body can be driven to extend and retract relative to the left end of the piston rod through the first left oil port and the second left oil port for filling or returning liquid into the left outer cavity and the left inner cavity, and the right cylinder body can be driven to extend and retract relative to the right end of the piston rod through the first right oil port and the second right oil port for filling or returning liquid into the right outer cavity and the right inner cavity, so that side guard plates on two sides of a top beam of the hydraulic advance support are driven to move respectively; the telescopic action of the left cylinder body and the telescopic action of the right cylinder body are independently controlled so as to arbitrarily control the action of the side guard plate on one side of the top beam.
Drawings
Fig. 1 is a schematic structural view of a bidirectional double-control side-pushing jack according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic structural view of the left cylinder body of the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings. Certain embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. Indeed, various embodiments of the invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will satisfy applicable legal requirements.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In an embodiment of the present invention, a bidirectional dual-control side-pushing jack is provided, please refer to fig. 1 to 3.
A bidirectional double-control side-pushing jack comprises a piston rod 1, a left piston 21, a left cylinder 22, a left guide sleeve 23, a right piston 31, a right cylinder 32 and a right guide sleeve 33.
The piston rod 1 is a left half part and a right half part, the piston rod 1 of the left half part and the piston rod 1 of the right half part are connected into a whole through an assembling seat 11, and an assembling part 41 is arranged on the assembling seat 11. Wherein, well assembly part 41 sets up to the hinge hole, and hydraulic support back timber intermediate position sets up the assembly seat, and well assembly part 41 passes through the articulated shaft and connects the assembly seat.
The left end of the piston rod 1 is provided with a left piston 21, and the right end of the piston rod 1 is provided with a right piston 31. Specifically, the left end of the piston rod 1 is provided with an external thread, the middle position of the left piston 21 is provided with a threaded hole, and the left end of the piston rod 1 is in threaded connection with the left piston 21; the right end of the piston rod 1 is provided with an external thread, the middle position of the right piston 31 is provided with a threaded hole, and the right end of the piston rod 1 is in threaded connection with the right piston 31. Thus, the assembly of the piston rod 1 with the left piston 21 and the right piston 31 is facilitated.
The left piston 21 is slidably connected to the inside of the left cylinder 22, and the left piston 21 divides the inside of the left cylinder 22 into a left outer chamber and a left inner chamber. The outer end of the left cylinder body 22 is provided with a left assembling part 42, the inner end opening of the left cylinder body 22 is assembled with the left guide sleeve 23, and the piston rod 1 is connected inside the left guide sleeve 23 in a sliding mode. Wherein, the inner opening of the left cylinder body 22 is provided with a threaded hole, the outer side of the left guide sleeve 23 is provided with an external thread, and the inner opening of the left cylinder body 22 is in threaded connection with the left guide sleeve 23, so as to facilitate the assembly of the left cylinder body 22 and the left guide sleeve 23.
The right piston 31 is connected to the inside of the right cylinder 32 in a sliding manner, the right piston 31 divides the inside of the right cylinder 32 into a right outer cavity and a right inner cavity, the outer end of the right cylinder 32 is provided with a right assembling portion 43, the opening at the inner end of the right cylinder 32 is assembled with a right guide sleeve 33, and the piston rod 1 is connected to the inside of the right guide sleeve 33 in a sliding manner. Wherein, the inner opening of the right cylinder body 32 is provided with a threaded hole, the outer side of the right guide sleeve 33 is provided with an external thread, and the inner opening of the right cylinder body 32 is in threaded connection with the right guide sleeve 33, so as to facilitate the assembly of the right cylinder body 32 and the right guide sleeve 33.
The middle position of the piston rod 1 is provided with a first left oil port 51, a second left oil port 52, a first right oil port and a second right oil port, the left inside of the piston rod 1 is provided with a first left oil duct 61 and a second left oil duct 62, and the right inside of the piston rod 1 is provided with a first right oil duct 71 and a second right oil duct 72. The first left oil passage 61 communicates the first left oil port 51 with the left outer chamber, and the second left oil passage 62 communicates the second left oil port 52 with the left inner chamber; the first right oil passage 71 communicates the first right oil port and the right outer chamber, and the second right oil passage 72 communicates the second right oil port and the right inner chamber.
The liquid is fed through the first left oil port 51 and returned through the second left oil port 52, so that the left cylinder body 22 extends out relative to the left end of the piston rod 1; the liquid is fed through the second left oil port 52 and returned through the first left oil port 51, so that the left cylinder 22 retracts relative to the left end of the piston rod 1. The liquid is fed through the first right oil port and returned through the second right oil port, so that the right cylinder body 32 extends out relative to the right end of the piston rod 1; the liquid is fed through the second right oil port and returned through the first right oil port, so that the right cylinder body 32 retracts relative to the right end of the piston rod 1.
The left cylinder block 22 includes a left cylinder bottom 221 and a left cylinder tube 222, and the left cylinder bottom 221 is provided with the left fitting portion 42. The left mounting portion 42 is provided as a hinge hole, and the left mounting portion 42 is hinged to the side guard plate on the left side of the top beam through a hinge shaft. The left cylinder bottom 221 is welded with one end of the left cylinder 222, the left piston 21 is connected inside the left cylinder 222 in a sliding mode, and the opening at the other end of the left cylinder 222 is connected with the left guide sleeve 23 in a threaded mode.
The right cylinder block 32 includes a right cylinder bottom and a right cylinder tube, and the right cylinder bottom is provided with a right fitting portion 43. The right assembling portion 43 is provided as a hinge hole, and the right assembling portion 43 is hinged to the side guard plate on the right side of the top beam through a hinge shaft. The bottom of the right cylinder is welded with one end of the right cylinder, the right piston 31 is connected inside the right cylinder in a sliding mode, and the opening at the other end of the right cylinder is connected with the right guide sleeve 33 in a threaded mode.
The embodiment of the utility model provides a hydraulic support in advance is still provided, including the back timber, respectively arrange a side guard plate on the left side and the right side of back timber, arrange the foretell two-way two accuse side of this embodiment and push away the jack in the intermediate position of back timber, wherein, the 41 assembly connection back timber of well assembly portion, the left side guard plate of the 42 assembly connection back timber of left assembly portion, the side guard plate on right side assembly portion 43 assembly connection back timber right side.
Up to this point, the present embodiment has been described in detail with reference to the accompanying drawings. From the above description, those skilled in the art should clearly understand that the present invention relates to a bidirectional dual-control side-pushing jack. The two-way double-control side-pushing jack of the utility model is applied to the hydraulic support, two side guard plates can be respectively arranged at two sides of the top beam of the hydraulic support, and the two side guard plates are connected by one two-way double-control side-pushing jack of the utility model, so that the whole structure occupies less space of the top beam; the left cylinder body 22 can be driven to extend and retract relative to the left end of the piston rod 1 by filling liquid or returning liquid into the left outer cavity and the left inner cavity through the first left oil port 51 and the second left oil port 52, and the right cylinder body 32 can be driven to extend and retract relative to the right end of the piston rod 1 by filling liquid or returning liquid into the right outer cavity and the right inner cavity through the first right oil port and the second right oil port, so that the side guard plates on the two sides of the top beam of the advance hydraulic support are driven to act respectively; the extension and contraction of the left cylinder 22 and the right cylinder 32 are independently controlled to arbitrarily control the movement of the skirt on one side of the head beam.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The utility model provides a two-way two accuse side pushes away jack which characterized in that: the piston rod, the left piston, the left cylinder body, the left guide sleeve, the right piston, the right cylinder body and the right guide sleeve are included;
the middle position of the piston rod is provided with a middle assembling part, the left end of the piston rod is assembled with the left piston, and the right end of the piston rod is assembled with the right piston;
the left piston is connected to the inside of the left cylinder body in a sliding mode, the left piston divides the inside of the left cylinder body into a left outer cavity and a left inner cavity, the outer end of the left cylinder body is provided with a left assembling portion, the opening at the inner end of the left cylinder body is provided with the left guide sleeve in an assembling mode, and the piston rod is connected to the inside of the left guide sleeve in a sliding mode;
the right piston is connected to the inside of the right cylinder body in a sliding manner, the right piston divides the inside of the right cylinder body into a right outer cavity and a right inner cavity, the outer end of the right cylinder body is provided with a right assembling part, the opening at the inner end of the right cylinder body is assembled with the right guide sleeve, and the piston rod is connected to the inside of the right guide sleeve in a sliding manner;
the middle position of the piston rod is provided with a first left oil port, a second left oil port, a first right oil port and a second right oil port, a first left oil duct and a second left oil duct are formed inside the left side of the piston rod, a first right oil duct and a second right oil duct are formed inside the right side of the piston rod, the first left oil duct is communicated with the first left oil port and the left outer cavity, the second left oil duct is communicated with the second left oil port and the left inner cavity, the first right oil duct is communicated with the first right oil port and the right outer cavity, and the second right oil duct is communicated with the second right oil port and the right inner cavity.
2. The jack of claim 1, wherein: an assembly seat is arranged in the middle of the piston rod, and the assembly seat is provided with the middle assembly part.
3. The jack of claim 1, wherein: the left end of the piston rod is provided with an external thread, the middle position of the left piston is provided with a threaded hole, and the left end of the piston rod is in threaded connection with the left piston; the right end of the piston rod is provided with external threads, a threaded hole is formed in the middle of the right piston, and the right end of the piston rod is in threaded connection with the right piston.
4. The jack of claim 1, wherein: a threaded hole is formed in an opening at the inner end of the left cylinder body, external threads are formed in the outer side of the left guide sleeve, and the opening at the inner end of the left cylinder body is in threaded connection with the left guide sleeve; the inner opening part of the right cylinder body is provided with a threaded hole, the outer side of the right guide sleeve is provided with an external thread, and the inner opening part of the right cylinder body is in threaded connection with the right guide sleeve.
5. The jack of claim 1, wherein: the left cylinder body comprises a left cylinder bottom and a left cylinder barrel, the left cylinder bottom is provided with a left assembling part, the left cylinder bottom is fixedly connected with one end of the left cylinder barrel, the left piston is connected inside the left cylinder barrel in a sliding mode, and the opening at the other end of the left cylinder barrel is assembled with the left guide sleeve; the right cylinder body comprises a right cylinder bottom and a right cylinder barrel, the right cylinder bottom is provided with a right assembling portion, the right cylinder bottom is fixedly connected with one end of the right cylinder barrel, the right piston is connected inside the right cylinder barrel in a sliding mode, and the opening at the other end of the right cylinder barrel is assembled with the right guide sleeve.
6. The jack of claim 5, wherein: and the left cylinder bottom is welded with one end of the left cylinder barrel, and the right cylinder bottom is welded with one end of the right cylinder barrel.
7. The double-control double-side-pushing jack as claimed in any one of claims 1 to 6, wherein: well assembly portion, left assembly portion and right assembly portion all set up to the hinge hole.
8. The forepoling hydraulic support comprises a top beam and is characterized in that: the left side and the right side of the top beam are respectively provided with a side guard plate, the middle position of the top beam is provided with the two-way double-control side-pushing jack according to any one of claims 1 to 7, the middle assembling part is assembled and connected with the top beam, the left assembling part is assembled and connected with the side guard plate on the left side of the top beam, and the right assembling part is assembled and connected with the side guard plate on the right side of the top beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220872356.4U CN217129571U (en) | 2022-04-15 | 2022-04-15 | Two-way two accuse side pushes away jack and leading hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220872356.4U CN217129571U (en) | 2022-04-15 | 2022-04-15 | Two-way two accuse side pushes away jack and leading hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217129571U true CN217129571U (en) | 2022-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220872356.4U Active CN217129571U (en) | 2022-04-15 | 2022-04-15 | Two-way two accuse side pushes away jack and leading hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217129571U (en) |
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2022
- 2022-04-15 CN CN202220872356.4U patent/CN217129571U/en active Active
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