CN217925954U - Hydraulic support pushing device capable of being quickly disassembled and assembled and hydraulic support - Google Patents
Hydraulic support pushing device capable of being quickly disassembled and assembled and hydraulic support Download PDFInfo
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- CN217925954U CN217925954U CN202221556165.3U CN202221556165U CN217925954U CN 217925954 U CN217925954 U CN 217925954U CN 202221556165 U CN202221556165 U CN 202221556165U CN 217925954 U CN217925954 U CN 217925954U
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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Abstract
The utility model relates to a hydraulic support pushing device and a hydraulic support which can be quickly assembled and disassembled, comprising a pushing rod and a pushing jack, wherein the rear end of the pushing jack is connected with the rear part of the pushing rod through a jack fixing pin; the jack fixing pin penetrates through the rear end of the pushing jack, right-angle grooves are formed in two sides of the rear end of the pushing rod, each right-angle groove is composed of a vertical groove and a horizontal groove, the upper end of each vertical groove penetrates through the top surface of the pushing rod, and the lower end of each vertical groove is communicated with one end of the corresponding horizontal groove; two ends of the jack fixing pin are respectively arranged in the right-angle grooves at two sides of the pushing rod, the stop blocks are arranged in the vertical grooves to limit the jack fixing pin in the horizontal grooves, and the rear end of the pushing jack is positioned between the stop blocks at two sides. In the application, the horizontal groove of the pushing rod is used for overcoming the upward component force, and the stop block does not overcome the upward component force any more, so that a fixing pin and a split pin of the stop block in the prior art are eliminated; when the jack is disassembled and replaced, the pushing jack can be disassembled and replaced only by taking out the stop block, so that the efficiency is improved, and the labor intensity is reduced.
Description
Technical Field
The utility model relates to a hydraulic support technical field especially relates to but quick assembly disassembly's hydraulic support pusher jack and hydraulic support.
Background
The hydraulic support is a hydraulic power device which generates supporting force by utilizing high-pressure liquid pressure and realizes automatic movement to support and manage a top plate, and is indispensable corollary equipment for comprehensive mechanized coal mining.
The moving mode is as follows: the forward movement is realized by the pushing device. As shown in fig. 1 and 2, the front part of a push rod (serial number 1) is connected with a chute (serial number 2), the rear part is connected with the piston rod end of a push jack (serial number 3), the cylinder body end of the push jack is connected with a base (serial number 4), the push rod is driven to move forwards or backwards by the expansion and contraction of the push jack, and the push rod pushes out the chute connected with the front part, as shown in fig. 2; the chute pull bracket is then used to move forward as shown in figure 1. The pushing rod is limited up and down by a guide shaft (serial number 5) arranged on the pushing rod and a guide groove (serial number 6) of the base.
The pushing jack is easy to damage due to frequent use and working conditions of coal accumulation, complex stress and the like. After the pushing jack is damaged, the pushing jack needs to be disassembled and replaced underground. When the chute is disassembled and replaced, the pushing jack is firstly retracted, namely, the chute is firstly disassembled and connected with the pushing rod (as shown in figure 2) in a state that the chute is pushed out. Because of the structure limit, the rear end of the pushing rod does not extend out of the base box body completely to expose the joint, and the pushing rod needs to be operated by a hand. As shown in fig. 3-5, the conventional structure is that a jack fixing pin (serial number 7) and a pushing jack are put into a U-shaped groove (serial number 11) of a pushing rod after being penetrated, and then two stoppers (serial number 8) are respectively put into the U-shaped grooves at both sides to press both ends of the jack fixing pin from top to bottom. Because the jack is provided with a certain horizontal included angle, upward component force exists when the jack is stressed, the stop block can move upwards to lose the fixing effect, through holes are formed in the push rod and the stop block, the stop block is prevented from moving upwards by assembling the stop block fixing pin (serial number 9), and the cotter pin (serial number 10) is inserted on the stop block fixing pin to prevent the stop block fixing pin from moving axially along the through holes. This structure all will tear split pin and dog fixed pin earlier when tearing open and trade the advancing jack at every turn, because operate in the base cavity, personnel can't observe, when especially getting the split pin, the limited unable use tool in space, bare-handed blind operation, waste time and energy very much.
SUMMERY OF THE UTILITY MODEL
The application provides quick assembly disassembly's hydraulic support pusher jack and hydraulic support in order to solve above-mentioned technical problem.
The application is realized by the following technical scheme:
the hydraulic support pushing device capable of being rapidly disassembled and assembled comprises a pushing rod and a pushing jack, wherein the rear end of the pushing jack is connected with the rear part of the pushing rod through a jack fixing pin; the jack fixing pin penetrates through the rear end of the pushing jack, right-angle grooves are formed in two sides of the rear end of the pushing rod, each right-angle groove is composed of a vertical groove and a horizontal groove, the upper end of each vertical groove penetrates through the top surface of the pushing rod, and the lower end of each vertical groove is communicated with one end of the corresponding horizontal groove; two ends of the jack fixing pin are respectively arranged in the right-angle grooves at two sides of the pushing rod, the stop blocks are arranged in the vertical grooves to limit the jack fixing pin in the horizontal grooves, and the rear end of the pushing jack is positioned between the stop blocks at two sides.
The hydraulic support pushing device further comprises a chute and a base, the front portion of the pushing rod is connected with the chute, the front end of the pushing jack is connected with the base, and the pushing rod is linearly connected with the base in a sliding mode.
Optionally, the rear part of the pushing rod is connected with the piston rod end of the pushing jack, and the cylinder body end of the pushing jack is connected with the base.
Optionally, the base is provided with a guide groove, the pushing rod is provided with a guide shaft matched with the guide groove, and the guide shaft is slidably mounted in the guide groove to realize linear sliding connection between the pushing rod and the base.
Optionally, the length of the horizontal groove is smaller than the diameter of the jack fixing pin and larger than the radius of the jack fixing pin; and a right-angle notch matched with the jack fixing pin is arranged on one side, facing the jack fixing pin, of the stop block, and the jack fixing pin is limited in the horizontal groove and the right-angle notch.
In particular, two right-angle sides of the right-angle notch are in smooth transition.
Particularly, one end of the horizontal groove, which is far away from the right-angle groove, is in a semicircular shape matched with the jack fixing pin.
The use method of the hydraulic support pushing device capable of being quickly disassembled and assembled comprises the following steps:
during assembly, the jack fixing pin enters the horizontal groove from the vertical groove of the right-angle groove, and then the stop block is inserted into the vertical groove to fix the jack fixing pin, so that the connection between the pushing rod and the pushing jack is realized;
when the jack is detached, the stop block is taken out of the vertical groove, the jack fixing pin enters the vertical groove from the horizontal groove of the right-angle groove, and then the jack fixing pin is taken out of the vertical groove, so that the pushing rod is separated from the pushing jack.
Compared with the prior art, the method has the following beneficial effects:
according to the jack fixing pin fixing device, a U-shaped groove for assembling the jack fixing pin is improved to be a right-angle groove, the jack fixing pin enters a horizontal groove from a vertical groove of the right-angle groove, and then a stop block is inserted into the vertical groove to fix the jack fixing pin; the horizontal groove of the pushing rod is used for overcoming the upward component force, so that the pushing rod is fixed reliably. By adopting the structure, the stop block does not overcome the upward component force any more, and a fixing pin and a split pin of the stop block in the prior art are eliminated; when the jack is disassembled and replaced, the pushing jack can be disassembled and replaced only by taking out the stop block, so that the efficiency is improved, and the labor intensity is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention.
FIG. 1 is a schematic view of a prior art tension frame in a state;
FIG. 2 is a schematic illustration of a prior art push-slip condition;
FIG. 3 is a three-dimensional view of a prior art push rod mounting jack fixing pin;
fig. 4 is a front view of a joint of a push jack and a push rod in the prior art;
fig. 5 is a top view of a joint of a push jack and a push rod in the prior art;
FIG. 6 is a schematic structural diagram of a hydraulic support pushing apparatus in an embodiment;
FIG. 7 is a three-dimensional view of the embodiment where the push rod is installed at the fixing pin of the jack;
fig. 8 is a front view of a joint of the pushing jack and the pushing rod in the embodiment;
fig. 9 is a plan view showing a joint of the pushing jack and the pushing rod in the embodiment;
FIG. 10 is a schematic view of a right angle slot of a pusher shoe of an embodiment;
FIG. 11 is a schematic view of one embodiment of a dog and jack securing pin installed in a right angle slot;
FIG. 12 is a schematic view of another embodiment of a dog and jack securing pin installed in a right angle slot;
FIG. 13 is a schematic view showing the structure of a stopper in the embodiment;
FIG. 14 is a schematic diagram showing the positions of two stoppers and jack fixing pins in the embodiment;
in the figure: 1-pushing rod, 2-chute, 3-pushing jack, 4-base, 5-guide shaft, 6-guide groove, 7-jack fixing pin, 8-stop, 9-stop fixing pin, 10-split pin, 11-U-shaped groove, 12-right-angle groove, 81-right-angle notch, 121-vertical groove and 122-horizontal groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. It is to be understood that the described embodiments are part of the present invention and not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, could be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of 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 the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict. It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "front", "back", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when using, or the directions or positional relationships that the persons skilled in the art usually understand, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific directions, be constructed and operated in specific directions, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 6, the quick detachable hydraulic support pushing device and hydraulic support disclosed in this embodiment include a pushing rod 1, a chute 2, a pushing jack 3, and a base 4, where the front portion of the pushing rod 1 is connected to the chute 2, the rear portion of the pushing rod is connected to a piston rod end of the pushing jack 3, a cylinder end of the pushing jack 3 is connected to the base 4, a guide shaft 5 is disposed on the pushing rod 1, a guide groove 6 is disposed on the base 4, and the guide shaft 5 is slidably mounted in the guide groove 6.
As shown in fig. 7 to 10, right-angled grooves 12 are formed at both sides of the rear end of the push rod 1, the right-angled grooves 12 are formed of a vertical groove 121 and a horizontal groove 122, the upper end of the vertical groove 121 penetrates the top surface of the push rod 1, and the lower end of the vertical groove 121 is communicated with one end of the horizontal groove 122.
One end of the pushing jack 3 is penetrated with a jack fixing pin 7, and two ends of the jack fixing pin 7 are respectively arranged in the right-angle grooves 12 at two sides. As shown in fig. 1, the stopper 8 is fitted in the vertical groove 121 to restrain the jack fixing pin 7 in the horizontal groove 122; as shown in fig. 14, one end of the pushing jack 3 is located between the two stoppers 8, and the stopper 8 is limited.
In one possible design, as shown in fig. 12, 13, the length of the horizontal slot 122 is smaller than the diameter of the jack-fixing pin 7 and larger than the radius of the jack-fixing pin 7; on the side of the stop 8 facing the jack fixing pin 7, there is a right-angled notch 81 adapted to the jack fixing pin 7. The jack-securing pin 7 is confined in the horizontal slot 122 and the right-angle notch 81.
In one possible design, the two legs of the right-angle cutout 81 are smoothly blended.
In one possible design, the end of the horizontal slot 122 remote from the right angle slot 12 is semi-circular to fit the jack-securing pin 7.
The use method of the hydraulic support pushing device capable of being quickly disassembled and assembled comprises the following steps:
when assembling: the jack fixing pin 7 enters the horizontal groove 122 from the vertical groove 121 of the right-angle groove 12, and then the stopper 8 is inserted into the vertical groove 121 to fix the jack fixing pin 7, so that the connection between the pushing rod 1 and the pushing jack 3 is realized.
When the disassembly is carried out: the stopper 8 is taken out of the vertical groove 121 and the jack fixing pin 7 is inserted into the vertical groove 121 from the horizontal groove 122 of the right-angle groove 12 and then taken out of the vertical groove 121, thereby separating the push rod 1 from the push jack 3.
The horizontal groove 122 of the push rod 1 is used to overcome the upward component force, so that the fixing is reliable. The stop block 8 of the present application no longer overcomes the upward component force, and then the stop block fixing pin and the split pin are eliminated on the basis of the prior art. After the pushing jack 3 is assembled, the pushing jack 3 is arranged in the pushing rod 1 to limit the stop block 8, so that the structure completely ensures the reliability. When the jack is disassembled and replaced, the pushing jack 3 can be disassembled and replaced only by taking out the stop block 8, so that the efficiency is improved, and the labor intensity is reduced.
The application discloses hydraulic support, but this hydraulic support has adopted above-mentioned quick assembly disassembly's hydraulic support pusher jack. The pushing jack 3 is used for stretching and driving the pushing rod 1 to move forwards or backwards, the pushing rod 1 pushes out the chute 2 connected with the front part firstly, and then the chute 2 is used for pulling the bracket to move forwards; the pushing rod 1 is limited up and down by a guide shaft 5 on the pushing rod 1 and a guide groove 6 of the base 4.
The above embodiments, further detailed description of the purpose, technical solutions and advantages of the present application, it should be understood that the above embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. But quick assembly disassembly's hydraulic support pusher jack, including advancing pole (1) and advancing jack (3), the rear end of advancing jack (3) is passed through jack fixed pin (7) and is connected its characterized in that with advancing pole (1) rear portion: the jack fixing pin (7) penetrates through the rear end of the pushing jack (3), right-angle grooves (12) are formed in two sides of the rear end of the pushing rod (1), each right-angle groove (12) is composed of a vertical groove (121) and a horizontal groove (122), the upper end of each vertical groove (121) penetrates through the top surface of the pushing rod (1), and the lower end of each vertical groove (121) is communicated with one end of the corresponding horizontal groove (122);
two ends of the jack fixing pin (7) are respectively arranged in right-angle grooves (12) on two sides of the pushing rod (1), the stop blocks (8) are arranged in the vertical grooves (121) to limit the jack fixing pin (7) in the horizontal groove (122), and the rear end of the pushing jack (3) is positioned between the stop blocks (8) on two sides.
2. The quick-release hydraulic support pushing device according to claim 1, wherein: still include chute (2) and base (4), pass pole (1) front portion and be connected with chute (2), pass the front end and be connected with base (4) of jack (3), pass pole (1) and base (4) sharp sliding connection.
3. The quick-detachable hydraulic support pushing device of claim 2, wherein: the rear part of the pushing rod (1) is connected with the piston rod end of the pushing jack (3), and the cylinder body end of the pushing jack (3) is connected with the base (4).
4. The quick-detachable hydraulic support pushing device according to claim 2 or 3, wherein: the base (4) is provided with a guide groove (6), the push rod (1) is provided with a guide shaft (5) matched with the guide groove (6), and the guide shaft (5) is slidably arranged in the guide groove (6) to realize the linear sliding connection of the push rod (1) and the base (4).
5. The quick-detachable hydraulic support pushing device of claim 1, wherein: the length of the horizontal groove (122) is smaller than the diameter of the jack fixing pin (7) and larger than the radius of the jack fixing pin (7); a right-angle notch (81) matched with the jack fixing pin (7) is formed in one side, facing the jack fixing pin (7), of the stop block (8), and the jack fixing pin (7) is limited in the horizontal groove (122) and the right-angle notch (81).
6. The quick-release hydraulic support pushing device according to claim 5, wherein: and two right-angle sides of the right-angle notch (81) are in smooth transition.
7. The quick-detachable hydraulic support pushing device according to claim 1, 5 or 6, wherein: one end of the horizontal groove (122) far away from the right-angle groove (12) is in a semicircular shape matched with the jack fixing pin (7).
8. Hydraulic support, its characterized in that: comprising a hydraulic prop pushing arrangement according to one of the claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221556165.3U CN217925954U (en) | 2022-06-21 | 2022-06-21 | Hydraulic support pushing device capable of being quickly disassembled and assembled and hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221556165.3U CN217925954U (en) | 2022-06-21 | 2022-06-21 | Hydraulic support pushing device capable of being quickly disassembled and assembled and hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217925954U true CN217925954U (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221556165.3U Active CN217925954U (en) | 2022-06-21 | 2022-06-21 | Hydraulic support pushing device capable of being quickly disassembled and assembled and hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217925954U (en) |
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- 2022-06-21 CN CN202221556165.3U patent/CN217925954U/en active Active
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Address after: No. 78, shilinggang Road, Huaying City, Guang'an City, Sichuan Province Patentee after: Sichuan Jiahua Machinery Co.,Ltd. Country or region after: Zhong Guo Address before: No. 78, shilinggang Road, Huaying City, Guang'an City, Sichuan Province Patentee before: SICHUAN HUAYINGSHAN GUANGNENG GROUP JIAHUA MACHINERY CO.,LTD. Country or region before: Zhong Guo |