CN212614820U - Hydraulic support bottom lifting mechanism and hydraulic support - Google Patents
Hydraulic support bottom lifting mechanism and hydraulic support Download PDFInfo
- Publication number
- CN212614820U CN212614820U CN202021496813.1U CN202021496813U CN212614820U CN 212614820 U CN212614820 U CN 212614820U CN 202021496813 U CN202021496813 U CN 202021496813U CN 212614820 U CN212614820 U CN 212614820U
- Authority
- CN
- China
- Prior art keywords
- hydraulic support
- sliding groove
- baffle
- top corner
- lifting
- 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.)
- Active
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a hydraulic support lifts end mechanism and hydraulic support, should lift end mechanism include with preceding bridge plate be connected horizontal drive mechanism and with the vertical motion that horizontal drive mechanism connects, horizontal drive mechanism can drive vertical motion removes along vertical direction, vertical motion sets up the top at the push rod. Utilize horizontal actuating mechanism drive vertical movement mechanism to remove along vertical direction to reduce the occupation space of lifting end mechanism in vertical direction, and then increased with the space between the back timber, avoided and the back timber between the interference, satisfy various hydraulic support lift end demand.
Description
Technical Field
The utility model relates to a coal mine machinery technical field, in particular to hydraulic support lifts end mechanism and hydraulic support.
Background
The hydraulic support is support equipment of a fully mechanized mining face of a coal mine, realizes the motions of lifting, forward moving and the like by taking hydraulic pressure as power, can reliably and effectively support and control a top plate of the working face, isolates a goaf, prevents gangue from entering the stoping face and pushing a conveyor, is matched with a coal mining machine for use, realizes comprehensive mechanization of coal mining, improves and improves the efficiency of coal mining and transportation equipment, and maintains the operation safety space.
When the geological condition of the bottom plate of the working face is soft, the base of the hydraulic support is easy to sink into the bottom plate, the phenomenon of gnawing the bottom can occur during the frame moving process, the frame moving difficulty is caused, and a bottom lifting mechanism is generally arranged at the moment. As shown in fig. 1, the conventional hydraulic support bottom lifting mechanism includes a carriage 3 fixed to a front bridge of a base 1 and a bottom lifting jack 61. Bear frame 3 and articulated with otic placode 2 of base 1 through pivot 5, lift at the bottom and lift jack 61 piston rod end and bear frame 3 and pass through bolt 4 fixed, lift at the bottom and lift and be equipped with the slide of vertical direction on the jack 61 left and right sides, lift at the bottom and lift the convex part of jack 61 top both sides and inlay in the spill slide. When the bottom needs to be lifted, the bottom lifting jack 61 extends, the cylinder bottom of the bottom lifting jack 61 acts on the upper plane of the push rod 7 of the hydraulic support, and the front end of the base is lifted by utilizing lever force by taking the contact point as a fulcrum. It can be seen that, the bottom lifting jack 61 of the traditional bottom lifting mechanism makes telescopic motion in the vertical direction, and when the bottom lifting mechanism is used in a thin coal seam hydraulic support, and the bottom lifting jack 61 is lowered to the minimum height, the gap between the bottom lifting jack 61 and the top beam is too small, so that the interference is easy, and the requirement of the bottom lifting height cannot be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic support lifts end mechanism and hydraulic support to solve traditional lifting end mechanism lift the end and lift the jack and do concertina movement in vertical direction, lift end mechanism and use under thin seam hydraulic support's the condition, when lifting the end and lift the jack and fall to minimum height, lift the end and lift jack and back timber clearance undersize, interfere easily, can't satisfy the problem of lifting the requirement of end height.
In a first aspect, according to the utility model discloses an embodiment provides a hydraulic support lifts end mechanism, include with preceding bridge plate be connected horizontal drive mechanism and with the vertical motion that horizontal drive mechanism connects, horizontal drive mechanism can drive vertical motion removes along vertical direction, vertical motion sets up the top at the push rod.
Specifically, the transverse driving mechanism comprises a lifting jack arranged along the transverse direction and a transmission piece rotationally connected with the front gap bridge plate;
one end of the lifting jack is fixed on the front bridge plate, the other end of the lifting jack is connected with the vertical movement mechanism through the transmission piece, and the lifting jack drives the transmission piece to rotate around the rotation connection part so as to drive the vertical mechanism to move in the vertical direction.
Specifically, the transmission member includes a triangular connection plate; the first top corner of the connecting plate is fixedly connected with the lifting jack, the second top corner of the connecting plate is rotatably connected with the front bridge plate, a sliding groove in sliding connection with the vertical movement mechanism is arranged between the third top corner of the connecting plate and the second top corner, and the sliding groove extends from the position close to the second top corner to the position close to the third top corner.
Specifically, the vertical mechanism comprises a pressure lever positioned right above the push rod;
two sides of the pressure rod are respectively provided with a limiting piece, and the two limiting pieces form a slide way for the pressure rod to move in the vertical direction; the top end of the pressure lever is provided with a connecting piece which is connected with the sliding groove in a sliding way.
Specifically, the connecting piece includes connecting axle and baffle, the one end of connecting axle with the top of depression bar is connected, the other end of connecting axle passes the spout with the baffle is connected, the width of spout is less than the width of baffle.
Specifically, an opening for the baffle to pass through is formed in one end, close to the second top corner, of the sliding chute.
Specifically, the baffle and the opening are circular, and the diameter of the opening is larger than that of the baffle.
In a second aspect, according to the embodiment of the present invention, a hydraulic support is provided, which includes the above-mentioned bottom lifting mechanism.
The embodiment of the utility model provides a hydraulic support lifts end mechanism and hydraulic support, this lift end mechanism utilize the vertical motion of horizontal actuating mechanism drive to remove along vertical direction to reduce and lift end mechanism at the occupation space of vertical direction, and then increased and the back timber between the space, avoided and the back timber between the interference, satisfy the end demand of lifting of various hydraulic support.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a structural diagram of a conventional hydraulic support bottom raising mechanism;
fig. 2 is a structural diagram of the bottom lifting mechanism of the hydraulic support provided by the present invention;
FIG. 3 is a block diagram of a connection plate;
fig. 4 is a structural view of the pressing lever.
The lifting device comprises a base 1, a lug plate 2, a bearing frame 3, a bolt 4, a rotating shaft 5, a transverse driving mechanism 6, a lifting jack 61, a connecting plate 62, a first vertex angle 621, a second vertex angle 622, a third vertex angle 623, a sliding groove 624, an opening 625, a first pin shaft 63, a fixed seat 64, a second pin shaft 65, a rotating pin shaft 66, a push rod 7, a front bridge passing plate 8, a vertical movement mechanism 9, a connecting piece 91, a connecting shaft 911, a baffle 912, a pressure lever 92 and a limiting piece 93.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In a first aspect, according to the embodiment of the present invention, as shown in fig. 2, a bottom lifting mechanism for a hydraulic support is provided, which includes a horizontal driving mechanism 6 connected to a front bridge plate 8 and a vertical moving mechanism 9 connected to the horizontal driving mechanism 6, wherein the horizontal driving mechanism 6 can drive the vertical moving mechanism 9 to move along a vertical direction, and the vertical moving mechanism 9 is disposed above a push rod 7.
In this embodiment, when the hydraulic support needs to be lifted, the horizontal driving mechanism 6 drives the vertical movement mechanism 9 to move downward along the vertical direction, so that the vertical mechanism contacts with the push rod 7 and then acts on the upper plane of the push rod 7 of the hydraulic support, and the contact point is used as a fulcrum to lift the front end of the base 1 by using a lever force. When the bottom does not need to be lifted, the transverse driving structure drives the vertical motion mechanism 9 to move upwards along the vertical direction, so that the vertical mechanism is far away from the push rod 7, the acting force on the push rod 7 is relieved, and the front end of the base 1 falls down.
The embodiment provides a hydraulic support lifts end mechanism, and this lift end mechanism utilizes horizontal actuating mechanism 6 drive vertical movement mechanism 9 to remove along vertical direction to reduce and lift the occupation space of end mechanism in vertical direction, and then increased and the back timber between the space, avoided and the back timber between the interference, satisfy various hydraulic support lift end demand.
In the above embodiment, as shown in fig. 2, the transverse driving mechanism 6 includes a lifting jack 61 arranged along the transverse direction and a transmission member rotatably connected with the front bridge plate 8; one end of the lifting jack 61 is fixed on the front bridge plate 8, the other end of the lifting jack 61 is connected with the vertical movement mechanism 9 through a transmission piece, and the lifting jack 61 drives the transmission piece to rotate around the rotation connection part so as to drive the vertical mechanism to move along the vertical direction.
Specifically, as shown in fig. 2 and 3, the transmission member includes a triangular connecting plate 62; the first top corner 621 of the connecting plate 62 is fixedly connected with the lifting jack 61, the second top corner 622 of the connecting plate 62 is rotatably connected with the front bridge plate 8, a sliding groove 624 slidably connected with the vertical movement mechanism 9 is arranged between the third top corner 623 and the second top corner 622 of the connecting plate 62, and the sliding groove 624 extends from a position close to the second top corner 622 to a position close to the third top corner 623.
As shown in fig. 2, the vertical mechanism includes a pressing lever 92 located directly above the push rod 7; two sides of the pressure lever 92 are respectively provided with a limiting piece 93, and the two limiting pieces 93 form a slide way for the pressure lever 92 to move in the vertical direction; the top end of the pressure lever 92 is provided with a connecting piece 91 which is connected with the sliding groove 624 in a sliding way.
Wherein, install fixing base 64 on preceding gap bridge plate 8, lift up the one end of jack 61 and pass through first round pin axle 63 and fixing base 64 fixed connection, lift up the other end of jack 61 and pass through second round pin axle 65 fixed connection with the first apex angle 621 of connecting plate 62, the second apex angle 622 of connecting plate 62 passes through rotating pin axle 66 and is connected with preceding gap bridge plate 8 rotation.
When the hydraulic support needs to be lifted, the piston rod of the bottom lifting jack 61 extends to push the connecting plate 62 to rotate clockwise around the connecting part rotating with the front gap bridge, and further the third top corner 623 of the connecting plate 62 moves downwards, so that the connecting piece 91 at the top end of the press rod 92 can be driven to move downwards through the sliding groove 624, and the press rod 92 moves downwards, and in the process of moving downwards, the connecting piece 91 can also slide along the sliding groove 624 to ensure that the press rod 92 only moves in the vertical direction, namely slides along the sliding way formed by the two limiting pieces 93, and cannot move transversely, when the bottom end of the press rod 92 is contacted with the push rod 7, the bottom end of the press rod 92 acts on the upper plane of the push rod 7 of the hydraulic support, and the contact point is used as a fulcrum, and the front end of the base 1 is.
When the bottom does not need to be lifted, the piston rod of the bottom lifting jack 61 is shortened, so that the connecting plate 62 is pulled to rotate anticlockwise around the connecting part with the front gap bridge, the third top corner 623 of the connecting plate 62 moves upwards, the connecting piece 91 at the top end of the pressing rod 92 can be driven to move upwards through the sliding groove 624, the pressing rod 92 moves upwards, and in the process of moving upwards, the connecting piece 91 can also slide along the sliding groove 624 to ensure that the pressing rod 92 only moves in the vertical direction, namely slides along the sliding way formed by the two limiting pieces 93, and cannot move transversely, when the push rod 7 at the bottom end of the pressing rod 92 is connected with the push rod 7 far away from the hydraulic support, the acting force on the push rod 7 is relieved, and the front end of the base 1 falls down.
The cooperation of the lifting jack 61 transversely arranged and the triangular connecting plate 62 and the cooperation of the connecting piece 91 and the sliding groove 624 can ensure that the pressure rod 92 moves along the vertical direction in the sliding way to lift the base 1, so that the occupied space of the lifting mechanism in the vertical direction can be greatly reduced, the space between the lifting mechanism and the top beam is increased, the interference between the lifting mechanism and the top beam is avoided, the bottom lifting requirements of various hydraulic supports are met, and particularly the bottom lifting requirements of the hydraulic supports in thin coal seams are met.
In specific application, the length of the sliding groove 624 can be increased to increase the downward movement amount of the pressure lever 92, so that the acting force on the upper surface of the push rod 7 is increased, the lifting amount of the base 1 is increased, and the use requirement is met
In the above embodiment, as shown in fig. 4, the connecting member 91 includes a connecting shaft 911 and a blocking plate 912, one end of the connecting shaft 911 is connected to the top of the pressing rod 92, the other end of the connecting shaft 911 passes through the sliding groove 624 to be connected to the blocking plate 912, and the width of the sliding groove 624 is smaller than that of the blocking plate 912.
The connecting shaft 911 and the pressing rod 92 may be connected by welding, hinging, or integrally formed, and this embodiment is not limited strictly. The baffle 912 can prevent the connecting shaft 911 from separating from the sliding groove 624, and ensures the reliability and stability of the sliding of the connecting shaft 911.
In the above embodiment, as shown in fig. 3, an opening 625 for passing the baffle 912 is opened at one end of the sliding groove 624 close to the second top corner 622. The opening 625 is utilized to realize detachable connection between the sliding groove 624 and the connecting shaft 911, that is, when the device is installed, the baffle 912 passes through the opening 625 and moves to a position close to the third vertex angle 623 along the sliding groove 624, and when the device is detached, the baffle 912 moves to the opening 625 along the sliding groove 624 and then moves out of the opening 625.
In the above embodiment, as shown in fig. 3 and 4, baffle 912 and aperture 625 are circular, and the diameter of aperture 625 is greater than the diameter of baffle 912.
The circular shape of baffle 912 and opening 625 facilitates alignment of baffle 912 and opening 625, and facilitates insertion and removal of baffle 912.
In a second aspect, according to the embodiment of the present invention, a hydraulic support is provided, which includes the above-mentioned bottom lifting mechanism.
The embodiment provides a hydraulic support, and this hydraulic support's the end mechanism that lifts utilizes horizontal actuating mechanism 6 drive vertical movement mechanism 9 to remove along vertical direction to reduce the occupation space of lifting end mechanism in vertical direction, and then increased and the back timber between the space, avoided and the back timber between the interference, satisfy various hydraulic support's the end demand of lifting.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (8)
1. The bottom lifting mechanism of the hydraulic support is characterized by comprising a transverse driving mechanism (6) connected with a front bridge plate (8) and a vertical moving mechanism (9) connected with the transverse driving mechanism (6), wherein the transverse driving mechanism (6) can drive the vertical moving mechanism (9) to move in the vertical direction, and the vertical moving mechanism (9) is arranged above a push rod (7).
2. The hydraulic support bottom lifting mechanism according to claim 1, characterized in that the transverse driving mechanism (6) comprises a lifting jack (61) arranged along the transverse direction and a transmission member rotationally connected with the front bridge plate (8);
one end of the lifting jack (61) is fixed on the front bridge plate (8), the other end of the lifting jack (61) is connected with the vertical movement mechanism (9) through the transmission piece, and the lifting jack (61) drives the transmission piece to rotate around the rotation connection part so as to drive the vertical movement mechanism (9) to move in the vertical direction.
3. The hydraulic mount bottom-up mechanism according to claim 2, wherein the transmission member includes a triangular shaped connecting plate (62); the first top corner (621) of the connecting plate (62) is fixedly connected with the lifting jack (61), the second top corner (622) of the connecting plate (62) is rotatably connected with the front bridge plate (8), a sliding groove (624) which is in sliding connection with the vertical movement mechanism (9) is arranged between the third top corner (623) and the second top corner (622) of the connecting plate (62), and the sliding groove (624) extends from the position close to the second top corner (622) to the direction close to the third top corner (623).
4. The hydraulic support bottom lifting mechanism according to claim 3, wherein the vertical movement mechanism (9) comprises a pressure lever (92) located directly above the push rod (7);
limiting parts (93) are respectively arranged on two sides of the pressure lever (92), and the two limiting parts (93) form a slide way for the pressure lever (92) to move in the vertical direction; the top end of the pressure lever (92) is provided with a connecting piece (91) which is connected with the sliding groove (624) in a sliding way.
5. The hydraulic support bottom lifting mechanism according to claim 4, wherein the connecting piece (91) comprises a connecting shaft (911) and a baffle (912), one end of the connecting shaft (911) is connected with the top of the pressure rod (92), the other end of the connecting shaft (911) penetrates through the sliding groove (624) to be connected with the baffle (912), and the width of the sliding groove (624) is smaller than that of the baffle (912).
6. The hydraulic support bottom lifting mechanism according to claim 5, wherein an opening (625) for the baffle (912) to pass through is formed at one end of the sliding groove (624) close to the second top corner (622).
7. The hydraulic mount bottom-up mechanism according to claim 6, wherein the baffle plate (912) and the opening (625) are circular, and the diameter of the opening (625) is greater than the diameter of the baffle plate (912).
8. A hydraulic mount comprising a hydraulic mount bottom raising mechanism as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021496813.1U CN212614820U (en) | 2020-07-24 | 2020-07-24 | Hydraulic support bottom lifting mechanism and hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021496813.1U CN212614820U (en) | 2020-07-24 | 2020-07-24 | Hydraulic support bottom lifting mechanism and hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212614820U true CN212614820U (en) | 2021-02-26 |
Family
ID=74720438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021496813.1U Active CN212614820U (en) | 2020-07-24 | 2020-07-24 | Hydraulic support bottom lifting mechanism and hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212614820U (en) |
-
2020
- 2020-07-24 CN CN202021496813.1U patent/CN212614820U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101618799B (en) | Lifting type guide chute for sealing-tape machine | |
| CN212614820U (en) | Hydraulic support bottom lifting mechanism and hydraulic support | |
| CN111779523A (en) | Hydraulic support bottom lifting mechanism and hydraulic support | |
| CN109356633A (en) | A kind of bottom lifting mechanism of hydraulic support | |
| CN110092297B (en) | Building prefabricated component turning device | |
| CN202165102U (en) | Bottom lifting mechanism of hydraulic support | |
| CN209080799U (en) | Carrier automatically opens mechanism | |
| CN214652834U (en) | Wedge block abrasion self-compensation structure for safety protection device | |
| CN206352271U (en) | A kind of automatic vehicle stopping device | |
| CN208813193U (en) | A kind of transport device for underground excavation barren rock | |
| CN210087367U (en) | Bottom lifting mechanism and hydraulic support | |
| CN210852465U (en) | Coal mine single-track transport vehicle meeting device | |
| CN1959065A (en) | Hydraulic bracket in step type | |
| CN210593798U (en) | Restorer suitable for positive and negative rotation of scraper conveyor | |
| CN210152705U (en) | Bottom lifting mechanism of hydraulic support for thin coal seam | |
| CN202227982U (en) | Multifunctional integral digging, loading, drilling and breaking machine for coal mine | |
| CN209780880U (en) | Mining bucket capable of preventing ore from falling | |
| CN201915968U (en) | Heading machine | |
| CN213202300U (en) | Movable balance block moving support | |
| CN206316668U (en) | The bearing of hay mover head and the bearing feeder structure of gear shaft assembly machine | |
| CN201502387U (en) | Side protecting plate of hydraulic bracket shield beam | |
| CN202851035U (en) | Bottom lifting mechanism of forepoling support | |
| CN218624285U (en) | Pushing limiting device for hydraulic support of thin coal seam | |
| CN216839615U (en) | Vertical claw type loader with lifting guide chute | |
| CN214192235U (en) | Mechanical arm of crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |