CN212359834U - Hydraulic support base and hydraulic support - Google Patents
Hydraulic support base and hydraulic support Download PDFInfo
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- CN212359834U CN212359834U CN202021588018.5U CN202021588018U CN212359834U CN 212359834 U CN212359834 U CN 212359834U CN 202021588018 U CN202021588018 U CN 202021588018U CN 212359834 U CN212359834 U CN 212359834U
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Abstract
The utility model discloses a hydraulic support base and a hydraulic support, wherein, the hydraulic support base comprises two base bodies, a first box body, a second box body and a gantry bridge type box body, and two sides of the first box body are respectively connected with the front sides of the tops of the two base bodies; two sides of the second box body are respectively connected with the rear sides of the tops of the two base bodies; the gantry bridge type box body comprises a transverse box body and vertical box bodies which are positioned on two sides of the transverse box body and connected with the side wall of the base body, and two sides of the transverse box body are respectively connected with the first box body and the second box body; wherein, the base body still is equipped with preceding connecting rod connecting hole and back connecting rod connecting hole with the position department that the second box corresponds. The utility model discloses a longmen bridge type box links to each other two base bodies, can increase the cross sectional area to two base bodies at transverse connection, can make two independent preceding connecting rods be connected with the hydraulic support base respectively, and then replaced the integral preceding connecting rod among the prior art.
Description
Technical Field
The utility model belongs to the technical field of mining machinery, concretely relates to hydraulic support base and hydraulic support.
Background
At present, the end hydraulic support equipment mainly comprises top beams 1a, a base 2a, oblique beams 3a, an integral front connecting rod 4a, a separated rear connecting rod 5a and other main stress parts, as shown in fig. 1, the top beams 1a are arranged in two rows side by side, each top beam 1a is hinged with the oblique beam 3a, and the integral front connecting rod 4a and the separated rear connecting rod 5a are respectively hinged to connect the oblique beams 3a with the base 1 a. As can be seen from fig. 2, the hydraulic support base in the prior art is composed of a left base and a right base which are mirror images of each other, and two rows of the bases are arranged side by side to jointly bear the pressure and the moment transmitted by the integral front connecting rod 4a and the separated rear connecting rod 5 a.
The end hydraulic support is set into two rows due to the use working condition, and the middle part is the mounting position of the reversed loader. Because the two-column type end hydraulic support is characterized by easily generating larger moment in the transverse direction and mainly comprising the inclined beam 3a and the integral front connecting rod 4a to form a transverse frame structure for bearing, as shown in fig. 3, the integral front connecting rod 4a in the prior art is formed by welding two front connecting rods through a diamond-shaped box body, the welding part between the diamond-shaped box body and the two front connecting rods is relatively weak and easily generates stress concentration to cause damage, if the integral front connecting rod 4a is damaged, not only is a safety hazard caused to a reversed loader below the integral front connecting rod, but also the time for shutdown maintenance can generate larger economic loss.
SUMMERY OF THE UTILITY MODEL
Weak point to above-mentioned prior art exists, the utility model provides a hydraulic support base and hydraulic support, wherein, the hydraulic support base can be articulated with split type preceding connecting rod, and then has avoided diamond-shaped box on the integral preceding connecting rod and the problem of the damage that preceding connecting rod welding department caused to integral type preceding connecting rod because of the stress concentration who receives.
The utility model discloses an aspect provides a hydraulic support base, include:
two base bodies;
two sides of the first box body are respectively connected with the front sides of the tops of the two base bodies;
two sides of the second box body are respectively connected with the rear sides of the tops of the two base bodies;
the gantry bridge type box body comprises a transverse box body and vertical box bodies which are positioned on two sides of the transverse box body and connected with the side wall of the base body, wherein two sides of the transverse box body are respectively connected with the first box body and the second box body;
and the base body and the second box body are also provided with a front connecting rod connecting hole and a rear connecting rod connecting hole at the corresponding positions.
Further, the base body includes:
the two first rib plates are connected through a first bottom plate, and two sides of the first box body are respectively connected with one first rib plate;
the bottom of the second rib plate is connected with the first bottom plate and is positioned between the two first rib plates, and two sides of the second box body are respectively connected with one second rib plate;
the third rib plate is positioned at the outer sides of the two first rib plates;
the positions, close to the first box body, of the first rib plate and the second rib plate are respectively provided with the front connecting rod connecting holes, and the positions, far away from the first box body, of the first rib plate and the third rib plate are respectively provided with the rear connecting rod connecting holes.
Further, the first case includes:
the two sides of the first side plate are respectively connected with the first rib plate, and the bottom of the first side plate is connected with the front end of the first bottom plate;
the two sides of the second side plate are respectively connected with one first rib plate, the bottom of the second side plate is connected with the position, close to the gantry bridge type box body, of the first bottom plate, and the height of the second side plate is larger than that of the first side plate;
the first cover plate is connected with the first side plate and the second side plate, and the first rib plate, the first side plate, the second side plate, the first cover plate and the first bottom plate form a right-angled trapezoid box body.
Further, the second case includes:
the two sides of the third side plate are respectively connected with one second rib plate, and the bottom of the third side plate is connected with the rear end of the first bottom plate;
the two sides of the fourth side plate are respectively connected with one first rib plate, the bottom of the fourth side plate is connected with the position, close to the gantry bridge type box body, of the first bottom plate, the fourth side plate is also connected with the second rib plate, the height of the fourth side plate is larger than that of the third side plate, and the height of the fourth side plate is the same as that of the second side plate;
the second cover plate comprises a horizontal cover plate part and an inclined cover plate part connected with the horizontal cover plate part, the horizontal cover plate part is connected with the fourth side plate, the inclined cover plate part is connected with the third side plate, and the two second rib plates, the third side plate, the fourth side plate, the second cover plate and the first bottom plate (104) form a five-side trapezoidal box body.
Further, a first reinforcing plate which is vertically arranged is connected between the horizontal cover plate part and the first bottom plate.
Further, the horizontal box body comprises:
the third cover plate is connected with the second side plate and the fourth side plate, so that the second side plate, the fourth side plate, the third cover plate and the first bottom plate form a box body;
and the second reinforcing plate is positioned below the third cover plate and connected with the second side plate and the fourth side plate.
Further, the vertical box body includes:
the second bottom plate is connected with the bottom of the first rib plate;
and the fifth rib plate is connected with the third cover plate and the second bottom plate respectively, and the first rib plate, the fifth rib plate and the second bottom plate form a box body connected with the side surface of the base body.
Furthermore, the vertical box body also comprises a pasting plate, two ends of the pasting plate are respectively connected with the first bottom plate and the second bottom plate, and the pasting plate is arranged close to the first rib plate; and a plurality of vertically arranged third reinforcing plates are arranged in the transverse box body and are respectively connected with the third cover plate and the first bottom plate.
The utility model discloses another aspect provides a hydraulic support, include as above-mentioned hydraulic support base.
Furthermore, the base of the hydraulic support is hinged with the front connecting rod and the rear connecting rod through a front connecting rod connecting hole and a rear connecting rod connecting hole respectively, the center distance between the two front connecting rods is smaller than the distance between the two base bodies, and the center distance between the two rear connecting rods is larger than the distance between the two base bodies.
The utility model provides a pair of hydraulic support base and hydraulic support closes two base body as an organic wholely through first box, second box and longmen bridge type box, wherein, links to each other two base body through longmen bridge type box, can increase two base body at transverse connection's cross sectional area, can make two independent preceding connecting rods be connected with the hydraulic support base respectively, and then replaced the integral preceding connecting rod among the prior art, consequently, the utility model provides a diamond-shaped box on the integral preceding connecting rod and the damage that the preceding connecting rod welding department caused to the integral preceding connecting rod because of the stress concentration that receives can be avoided to the hydraulic support base.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of a prior art hydraulic mount;
FIG. 2 is a schematic structural diagram of a base of a prior art hydraulic mount;
FIG. 3 is a schematic structural view of a prior art integral front connector link;
FIG. 4 is a schematic view of the center of the pivot of the front and rear links on the base of a prior art hydraulic mount;
fig. 5 is a schematic structural view of a hydraulic support base according to an exemplary embodiment of the present invention;
fig. 6 is a top view of a hydraulic mount base according to an exemplary embodiment of the present invention;
FIG. 7 is a transverse cross-sectional view of a hydraulic mount base at A-A in accordance with an exemplary embodiment of the present invention;
figure 8 is a side view of a hydraulic mount base according to an exemplary embodiment of the present invention;
FIG. 9 is a longitudinal cross-sectional view of a hydraulic mount base at B-B in accordance with an exemplary embodiment of the present invention;
FIG. 10 is a schematic view of a hydraulic mount base connecting a front link and a rear link in accordance with an exemplary embodiment of the present invention;
fig. 11 is a schematic structural view of a hydraulic mount according to an exemplary embodiment of the present invention;
fig. 12 is a schematic diagram of the center of the pivot of the front and rear connecting rods on the base of the hydraulic support according to an exemplary embodiment of the present invention.
In the figure:
1 a-top beam, 2 a-base, 3 a-oblique beam, 4 a-integral front connecting rod, 5 a-separated rear connecting rod;
1-a base body, 101-a first rib plate, 102-a second rib plate, 103-a third rib plate and 104-a first bottom plate;
2-a first box, 201-a first side plate, 202-a second side plate, 203-a first cover plate;
3-a second box body, 301-a third side plate, 302-a fourth side plate, 303-a second cover plate, 3031-a horizontal cover plate part, 3032-an inclined cover plate part;
4-gantry bridge type box body, 401-horizontal box body, 402-vertical box body, 4011-third cover plate, 4012-second reinforcing plate, 4013-third reinforcing plate, 4021-second bottom plate, 4022-fifth rib plate and 4023-pasting plate;
5-connecting hole of front connecting rod;
6-connecting holes of the rear connecting rod;
7-a front connecting rod;
8-rear connecting rod;
9-first stiffener.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 according to specific situations by those skilled in the art.
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
The utility model provides a hydraulic support base, which is shown in figures 5 and 6 and comprises two base bodies 1, a first box body 2, a second box body 3 and a gantry bridge type box body 4; two sides of the first box body 2 are respectively connected with the front sides of the tops of the two base bodies 1; two sides of the second box body 3 are respectively connected with the rear sides of the tops of the two base bodies 1; the gantry bridge type box 4 comprises a transverse box 401 and vertical boxes 402 which are positioned at two sides of the transverse box 401 and connected with the side wall of the base body 1, and two sides of the transverse box 401 are respectively connected with the first box 2 and the second box 3; wherein, the base body 1 is also provided with a front connecting rod connecting hole 5 and a rear connecting rod connecting hole 6 at the position corresponding to the second box body 3.
Through first box 2, second box 3 and longmen bridge type box 4 with two base body 1 close as an organic wholely, wherein, link to each other two base body 1 through longmen bridge type box 4, can increase two base body 1 at transverse connection's cross sectional area, can make two independent preceding connecting rods 7 be connected with the hydraulic support base respectively, and then replaced integral preceding connecting rod 4a among the prior art, consequently, the utility model provides a diamond-shaped box on the integral preceding connecting rod 4a and the damage that preceding connecting rod 7 welding department caused to integral preceding connecting rod 4a because of the stress concentration that receives can be avoided to the hydraulic support base.
As a preferred embodiment, the base body 1 comprises a first rib plate 101, a second rib plate 102 and a third rib plate 103, the two first rib plates 101 are connected through a first bottom plate 104, and two sides of the first box body 2 are respectively connected with the first rib plate 101; the bottom of the second rib plate 102 is connected with the first bottom plate 104 and is positioned between the two first rib plates 101, and two sides of the second box body 3 are respectively connected with one second rib plate 102; the third rib plate 103 is positioned at the outer sides of the two first rib plates 101; wherein, the positions of the first rib plate 101 and the second rib plate 102 close to the first box body 2 are respectively provided with a front connecting rod connecting hole 5, and the positions of the first rib plate 101 and the third rib plate 103 far away from the first box body 2 are respectively provided with a rear connecting rod connecting hole 6. In this embodiment, since the integral front link 4a and the separate rear link 5a connected to the hydraulic bracket base in the prior art are generally tightly attached to the outer main rib plate, although the center distance L1 between the front links on the integral front link 4a is smaller than the center distance L2 of the separate rear link 5a, but the difference is not large, as shown in fig. 1 to 4, the top beam is pressed to transmit force to the sloping beam, and the moment is easily generated by the sloping beam due to uneven stress of the top beam on the hydraulic bracket base, the moment generated by the sloping beam affects the relative positions of the integral front link 4a and the separate rear link 5a, and further generates relative displacement of the integral front link 4a and the separate rear link 5a, wherein the relative displacement of the hinged position of the sloping beam 3a and the integral front link 4a is larger than the relative displacement of the hinged position of the sloping beam 3a and the separate rear link 5a, so that the integral front link 4a is stressed more than the separate rear link 5a, are more vulnerable. Therefore, the utility model has the advantages that the front connecting rod connecting holes are arranged at the positions of the first rib plate 101 and the second rib plate 102 close to the first box body 2, the rear connecting rod connecting holes 6 are arranged at the positions of the first rib plate 101 and the third rib plate 103 far away from the first box body 2, so that the outer side of the front connecting rod 7 and the inner side of the rear connecting rod 8 connected with the base of the hydraulic support are respectively tightly attached to the two sides of the first rib plate 101, and the center distance L3 of the front connecting rod 7 is obviously smaller than the center distance L4 of the rear connecting rod 8, the difference is larger, referring to figure 12, the center distance L3 of the front connecting rod 7 is reduced, further, the hinged part of the inclined beam and the front connecting rod 7 is more deviated towards the center of the inclined beam, so that the relative displacement change of the front connecting rod 7 and the rear connecting rod 8 is reduced, the stress of the front connecting rod 7 is smaller, the reduced force is born by the rear connecting rod 8, so that the front connecting rod 7 and the rear connecting rod 8 are stressed uniformly relatively, and the service life of the front connecting rod 7 is prolonged.
Preferably, referring to fig. 7, the first box 2 includes a first side plate 201, a second side plate 202 and a first cover plate 203, two sides of the first side plate 201 are respectively connected with a first rib plate 101, and the bottom of the first side plate is connected with the front end of the first bottom plate 104; two sides of the second side plate 202 are respectively connected with a first rib plate 101, the bottom of the second side plate is connected with the position of the first bottom plate 104 close to the gantry bridge type box body 4, and the height of the second side plate 202 is greater than that of the first side plate 201; the first cover plate 203 is connected with the first side plate 201 and the second side plate 202, and the two first rib plates 101, the first side plate 201, the second side plate 202, the first cover plate 203 and the first bottom plate 104 form a right-angled trapezoid box body. In the present embodiment, the first cover plate 203 is connected to the first side plate 201, the second side plate 202, and the first rib plate 101 by fillet welding or groove welding.
Further, the second box 3 comprises a third side plate 301, a fourth side plate 302 and a second cover plate 303, wherein two sides of the third side plate 301 are respectively connected with a second rib plate 102, and the bottom of the third side plate 301 is connected with the rear end of the first bottom plate 104; the two sides of the fourth side plate 302 are respectively connected with a first rib plate 101, the bottom of the fourth side plate 302 is connected with the position of the first bottom plate 104 close to the gantry bridge type box body 4, the fourth side plate 302 is also connected with the second rib plate 102, the height of the fourth side plate 302 is greater than that of the third side plate 301, and the height of the fourth side plate 302 is the same as that of the second side plate 202; the second cover plate 303 comprises a horizontal cover plate portion 3031 and an inclined cover plate portion 3032 connected with the horizontal cover plate portion 3031, the horizontal cover plate portion 3031 is connected with the fourth side plate 302, the inclined cover plate portion 3032 is connected with the third side plate 301, and the two second rib plates 102, the third side plate 301, the fourth side plate 302, the second cover plate 303 and the first bottom plate 104 form a five-side trapezoidal box.
Wherein a vertically arranged first reinforcement plate 9 is connected between the horizontal cover plate portion 3031 and the first bottom plate 104.
Preferably, referring to fig. 8 and 9, the horizontal box 401 includes a third cover 4011 and a second reinforcement plate 4012, the third cover 4011 is connected to the second side plate 202 and the fourth side plate 302, so that the second side plate 202, the fourth side plate 302, the third cover 4011 and the first bottom plate 104 form a box; the second reinforcement plate 4012 is located below the third cover plate 4011, and is connected to the second side plate 202 and the fourth side plate 302.
The vertical box body 402 comprises a second bottom plate 4021 and a fifth rib plate 4022, and the second bottom plate 4021 is connected with the bottom of the first rib plate 101; the fifth rib plate 4022 is connected with the third cover plate 4011 and is connected with the second base plate 4021 respectively, and the first rib plate 101, the fifth rib plate 4022 and the second base plate 4021 form a box body connected with the side surface of the base body 1.
Preferably, the vertical box 402 further comprises a patch plate 4023, two ends of which are respectively connected with the first bottom plate 104 and the second bottom plate 4021 and are arranged close to the first rib plate 101; a plurality of vertically arranged third reinforcing plates 4013 connected with the third cover plate 4011 and the first base plate 104 are further arranged in the horizontal box 401.
The utility model provides a pair of hydraulic support, including the aforesaid hydraulic support base.
As a preferred embodiment, referring to fig. 10 and 11, the hydraulic bracket base is hinged with the front connecting rod 7 and the rear connecting rod 8 through the front connecting rod connecting hole 5 and the rear connecting rod connecting hole 6, respectively, and the center distance between the two front connecting rods 7 is smaller than the distance between the two base bodies 1, and the center distance between the two rear connecting rods 8 is larger than the distance between the two base bodies 1. In the embodiment, the two independent front connecting rods 7 are respectively hinged with the hydraulic support base, and the moment borne by the front connecting rods 7 is reduced and stress concentration points are reduced by enabling the center distance between the two front connecting rods 7 to be smaller than the center distance between the two rear connecting rods 8.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A hydraulic mount base, comprising:
two base bodies (1);
the two sides of the first box body (2) are respectively connected with the front sides of the tops of the two base bodies (1);
two sides of the second box body (3) are respectively connected with the rear sides of the tops of the two base bodies (1);
the gantry bridge type box body (4) comprises a transverse box body (401) and vertical box bodies (402) which are positioned on two sides of the transverse box body (401) and connected with the side wall of the base body (1), wherein two sides of the transverse box body (401) are respectively connected with the first box body (2) and the second box body (3);
the base body (1) and the second box body (3) are correspondingly provided with a front connecting rod connecting hole (5) and a rear connecting rod connecting hole (6).
2. The hydraulic support mount according to claim 1, wherein the mount body (1) comprises:
the two first rib plates (101) are connected through a first bottom plate (104), and two sides of the first box body (2) are respectively connected with one first rib plate (101);
the bottom of the second rib plate (102) is connected with the first bottom plate (104) and is positioned between the two first rib plates (101), and two sides of the second box body (3) are respectively connected with one second rib plate (102);
the third rib plates (103) are positioned at the outer sides of the two first rib plates (101);
the front connecting rod connecting holes (5) are respectively formed in the positions, close to the first box body (2), of the first rib plate (101) and the second rib plate (102), and the rear connecting rod connecting holes (6) are respectively formed in the positions, far away from the first box body (2), of the first rib plate (101) and the third rib plate (103).
3. Hydraulic support base according to claim 2, characterised in that said first box (2) comprises:
the two sides of the first side plate (201) are respectively connected with the first rib plate (101), and the bottom of the first side plate is connected with the front end of the first bottom plate (104);
the two sides of the second side plate (202) are respectively connected with the first rib plate (101), the bottom of the second side plate is connected with the position, close to the gantry bridge type box body (4), of the first bottom plate (104), and the height of the second side plate (202) is larger than that of the first side plate (201);
the first cover plate (203) is connected with the first side plate (201) and the second side plate (202), and the two first rib plates (101), the first side plate (201), the second side plate (202), the first cover plate (203) and the first bottom plate (104) form a right-angled trapezoid box body.
4. Hydraulic support base according to claim 3, characterised in that said second box (3) comprises:
the two sides of the third side plate (301) are respectively connected with one second rib plate (102), and the bottom of the third side plate is connected with the rear end of the first bottom plate (104);
the two sides of the fourth side plate (302) are respectively connected with one first rib plate (101), the bottom of the fourth side plate is connected with the position, close to the gantry bridge type box body (4), of the first bottom plate (104), the fourth side plate (302) is further connected with the second rib plate (102), the height of the fourth side plate (302) is larger than that of the third side plate (301), and the height of the fourth side plate (302) is the same as that of the second side plate (202);
the second cover plate (303) comprises a horizontal cover plate portion (3031) and an inclined cover plate portion (3032) connected with the horizontal cover plate portion (3031), the horizontal cover plate portion (3031) is connected with the fourth side plate (302), the inclined cover plate portion (3032) is connected with the third side plate (301), and the two second rib plates (102), the third side plate (301), the fourth side plate (302), the second cover plate (303) and the first bottom plate (104) form a five-side trapezoidal box body.
5. A hydraulic support base according to claim 3, characterised in that a vertically arranged first reinforcement plate (9) is connected between the horizontal cover plate portion (3031) and the first base plate (104).
6. The hydraulic mount base of claim 4, wherein the cross box (401) includes:
a third cover plate (4011) connected to the second side plate (202) and the fourth side plate (302) such that the second side plate (202), the fourth side plate (302), the third cover plate (4011), and the first bottom plate (104) form a box body;
and a second reinforcement plate (4012) located below the third cover plate (4011) and connected to the second side plate (202) and the fourth side plate (302).
7. The hydraulic mount base of claim 6, wherein the upright housing (402) includes:
the second bottom plate (4021) is connected with the bottom of the first rib plate (101);
and the fifth rib plate (4022) is connected with the third cover plate (4011) and is respectively connected with the second base plate (4021), and the first rib plate (101), the fifth rib plate (4022) and the second base plate (4021) form a box body connected with the side face of the base body.
8. The hydraulic support base according to claim 7, wherein the vertical box (402) further comprises a flitch plate (4023) with two ends respectively connected with the first bottom plate (104) and the second bottom plate (4021) and arranged close to the first rib plate (101); still be equipped with in horizontal box (401) a plurality ofly respectively with third apron (4011) with first bottom plate (104) are connected and vertical third reinforcing plate (4013) that set up.
9. A hydraulic mount comprising a hydraulic mount base as claimed in any one of claims 1 to 8.
10. The hydraulic support according to claim 9, characterized in that the hydraulic support base is hinged to a front connecting rod (7) and a rear connecting rod (8) through a front connecting rod connecting hole (5) and a rear connecting rod connecting hole (6), respectively, and the center distance between the two front connecting rods (7) is smaller than the distance between the two base bodies (1), and the center distance between the two rear connecting rods (8) is larger than the distance between the two base bodies (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021588018.5U CN212359834U (en) | 2020-08-04 | 2020-08-04 | Hydraulic support base and hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021588018.5U CN212359834U (en) | 2020-08-04 | 2020-08-04 | Hydraulic support base and hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212359834U true CN212359834U (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021588018.5U Active CN212359834U (en) | 2020-08-04 | 2020-08-04 | Hydraulic support base and hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212359834U (en) |
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2020
- 2020-08-04 CN CN202021588018.5U patent/CN212359834U/en active Active
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