CN217712638U

CN217712638U - Telescopic beam and hydraulic support

Info

Publication number: CN217712638U
Application number: CN202222101358.6U
Authority: CN
Inventors: 柳佳岐
Original assignee: Sany Heavy Equipment Co Ltd
Current assignee: Sany Intelligent Equipment Co ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2022-11-01
Anticipated expiration: 2032-08-10

Abstract

The utility model relates to a support frame field provides a flexible roof beam and hydraulic support, including front bezel, two pairs of collateral branch supporting beams and otic placode subassembly. The front plate is arranged on the front side and is vertical to the telescopic direction of the telescopic beam. The extending direction of two pairs of collateral branch supporting beams is perpendicular with the front bezel, and all sets up the rear side in the front bezel, and two pairs of collateral branch supporting beams distribute at the both ends of front bezel along first direction, the utility model provides a collateral branch supporting beam of flexible roof beam is for sealing the box structure. A group of lug plate assemblies are arranged between each pair of the two side support beams, and the lug plate assemblies are arranged at the positions, close to the front plate, of the side support beams. The utility model provides a side supporting beam of flexible roof beam is the closed box structure, than semi-enclosed box structure, and its structural strength is higher, can promote the support intensity of flexible roof beam.

Description

Telescopic beam and hydraulic support

Technical Field

The utility model relates to a mining equipment technical field especially relates to a flexible roof beam and hydraulic support.

Background

The hydraulic support is an actuating mechanism which is formed by hinging high-strength steel structural members and is driven by a hydraulic cylinder, and the hydraulic support has the main function of supporting the pressure of a top plate after underground mining. The top beam is a member mainly bearing the pressure of the top plate, and a telescopic beam is usually arranged on the top beam and driven by a jack so as to realize reciprocating linear motion. The side device is protected not established usually to low mining height support, and flexible roof beam sets up to built-in jack structure, promptly after in flexible roof beam retraction back timber, the jack is located the back timber, this kind of structure, jack setting are between two supporting box of flexible roof beam bottom, and the box sets up to two semi-open boxes usually, and the semi-open box can influence the support intensity of flexible roof beam.

SUMMERY OF THE UTILITY MODEL

The utility model provides a flexible roof beam and hydraulic support for solve the flexible roof beam of built-in jack structure among the prior art, the supporting box uses semi-open box, leads to the not good enough defect of support intensity of box, realizes that the flexible roof beam of built-in jack structure uses the effect of sealing box, the support intensity of reinforcing flexible roof beam.

The utility model provides a telescopic beam, include: the front plate is vertical to the telescopic direction; the two pairs of side supporting beams are arranged on the rear side of the front plate and are perpendicular to the front plate, the two pairs of side supporting beams are distributed at two ends of the front plate along a first direction, and the side supporting beams are of a closed box structure; the ear plate assembly is every two all be provided with a set of ear plate assembly between the collateral branch supporting beam, the ear plate assembly sets up and is being close to the position of front bezel.

According to the utility model provides a flexible roof beam, the inside of collateral branch supporting beam still is provided with first horizontal reinforcing plate.

According to the utility model provides a telescopic beam, the side supporting beam includes first channel-section steel and seals the first vertical reinforcing plate of the opening part of first channel-section steel.

According to the utility model provides a flexible roof beam, it is every right side supporting beam all includes a first roof and a pair of second channel-section steel, and is a pair of the perpendicular to is all followed to the second channel-section steel the direction of front bezel is connected the rear side of front bezel, and is a pair of the second channel-section steel distributes along first direction, the opening side of second channel-section steel with the bottom surface of first roof is connected.

According to the utility model provides a flexible roof beam still includes a middle part supporting beam, a middle part supporting beam with front bezel vertically sets up the rear side at the front bezel, just a middle part supporting beam is located two pairs between the side supporting beam.

According to the utility model provides a flexible roof beam, a middle part supporting beam is inside hollow box structure.

According to the utility model provides a flexible roof beam, a middle part supporting beam's inside is provided with horizontal strengthening rib and vertical strengthening rib.

According to the utility model provides a telescopic beam, the otic placode subassembly includes connecting plate and otic placode, the connecting plate sets up a pair of between the collateral branch supporting beam, just the connecting plate with the front bezel is parallel, the otic placode with connecting plate vertically sets up the rear side of connecting plate.

According to the utility model provides a telescopic girder, the connecting plate with still be provided with the vertical reinforcing plate of second between the front bezel.

The utility model also provides a hydraulic support, including back timber, jack and as above arbitrary the flexible roof beam, flexible roof beam with back timber sliding connection, the jack sets up the back timber with between the flexible roof beam.

The utility model provides a telescopic beam, including front bezel, two pairs of collateral branch supporting beams and otic placode subassembly. The front plate is arranged on the front side and is vertical to the telescopic direction of the telescopic beam. The extending direction of two pairs of collateral branch supporting beams is perpendicular with the front bezel, and all sets up the rear side in the front bezel, and two pairs of collateral branch supporting beams distribute at the both ends of front bezel along first direction, the utility model provides a collateral branch supporting beam of flexible roof beam is for sealing the box structure. A group of lug plate assemblies are arranged between each pair of the two side support beams, and the lug plate assemblies are arranged at the positions, close to the front plate, of the side support beams. The utility model provides a side supporting beam of flexible roof beam is the closed box structure, and than semi-enclosed box structure, the open side that closed box structure will semi-enclosed box structure uses the steel structure to seal, owing to increased the steel structure, makes its structural strength higher, can promote the support intensity of flexible roof beam.

Further, the utility model provides an among the hydraulic support, because have the flexible roof beam as above, consequently, have the same advantage as above.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are 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 schematic structural view of a telescopic beam provided by the present invention;

fig. 2 is a perspective view of fig. 1 provided by the present invention;

fig. 3 is a schematic structural view of another telescopic beam provided by the present invention;

fig. 4 is a perspective view of fig. 3 provided by the present invention;

reference numerals:

100. a front plate; 200. side support beams; 210. a first transverse stiffener; 221. a first channel steel; 222. a first longitudinal stiffener plate; 231. a first top plate; 232. a second channel steel; 300. a middle support beam; 310. longitudinal reinforcing ribs; 320. transverse reinforcing ribs; 400. an L-shaped reinforcing plate; 500. an ear plate assembly; 510. a connecting plate; 520. an ear plate; 530. a second longitudinal stiffener.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are 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.

The telescopic beam and hydraulic bracket of the present invention will be described with reference to fig. 1 to 4.

Before explaining the utility model provides a flexible roof beam, at first prescribe a limit to the direction in the text, the preceding direction of saying along the flexible roof beam in the text, the direction of withdrawing along the flexible roof beam is pointed to the back, and the first direction indicates left right direction, along the horizontal direction promptly and with the flexible direction vertically direction of flexible roof beam.

The utility model provides a telescopic beam, including front bezel 100, two pairs of collateral branch supporting beams 200 and otic placode subassembly 500.

The front plate 100 may be a rectangular steel plate, and the longitudinal direction thereof is along the left-right direction, and the front plate 100 is perpendicular to the extension direction of the extension beam.

Two pairs of side support beams 200, i.e., four side support beams 200, are provided in two groups, each group including two side support beams 200. Four side support beams 200 are all disposed at the rear side of the front plate 100, and the extending direction of the side support beams 200 is parallel to the extending and retracting direction of the telescopic beams. One set of side support beams 200 is provided at the left end of the rear side of the front plate 100, and the other set of side support beams 200 is provided at the right end of the rear side of the front plate 100. An installation space for installing a jack is provided between the two side support beams 200 of each pair.

The utility model provides a flexible roof beam's side supporting beam 200 is confined box structure, for example can be rectangular bodily form structure, its inside cavity. Compared with a semi-open box structure, the closed box structure has stronger bending resistance, and the bearing performance of the telescopic beam is improved.

The lug plate assembly 500 is used to connect with a jack, the lug plate assembly 500 is disposed between the two side support beams 200 of each pair, and the lug plate assembly 500 is disposed near one end of the front plate 100.

The utility model provides a flexible roof beam, front bezel 100 connect two pairs of side supporting beams 200 structure as an organic whole, when the jack is flexible, can drive flexible roof beam and carry out the bulk movement, and side supporting beam 200 and jack all can be business turn over in the expansion tank body of back timber.

In addition, L-shaped reinforcing plates 400 are provided at the front side surface of the front plate 100 and the top surface of the side support beam 200, the L-shaped reinforcing plates 400 include a vertical plate and a horizontal plate, the bottom surface of the horizontal plate is fixedly connected with the top surface of the side support beam 200, and the rear side surface of the vertical plate is fixedly connected with the front side surface of the front plate 100, for example, both may be welded, so that the integrity of the telescopic beam may be improved.

In an embodiment of the present invention, a first transverse reinforcing plate 210 is further disposed inside the side supporting beam 200. For example, when the side support beam 200 has a rectangular parallelepiped box structure, the cross section of the hollow portion of the side support beam 200 is rectangular, and thus the first lateral reinforcing plate 210 may be provided as a rectangular plate. Further, the outer edge of the first lateral reinforcing plate 210 has the same shape and size as the cross-sectional shape and size of the hollow portion of the side support beam 200. When the first transverse reinforcing plate 210 is disposed inside the side support beam 200, the outer edge of the first transverse reinforcing plate 210 is attached to the inner sidewall of the side support beam 200, and the first transverse reinforcing plate 210 is disposed in parallel with the front plate 100.

The first transverse reinforcing plates 210 may be provided in plurality along the extending direction of the side support beam 200, and may be fastened by welding. The first lateral reinforcement plate 210 is provided to improve the torsion resistance of the side support beam 200.

In the following two embodiments, two arrangements of the side support beam 200 are disclosed.

In the first embodiment, each side support beam 200 may include a first channel 221, an open side of the first channel 221 faces the jack, and a front end of the first channel 221 is fixedly connected to a rear side of the front plate 100. In order to further enhance the bending resistance of the side support beam 200, one first longitudinal reinforcing plate 222 is welded to the opening side of the first channel 221, and the first longitudinal reinforcing plate 222 closes the semi-open first channel 221 to a closed box structure, thereby further enhancing the bending resistance of the side support beam 200.

In the above embodiment, the first channel 221 is an integral structural member, and the side support beam 200 may be formed by welding four steel plate pairs, forming a cylindrical structure with the four steel plate pairs, and welding the four steel plates.

In the second embodiment, each pair of the side support beams 200 includes a first top plate 231 and a pair of second channel beams 232. The first top plate 231 is horizontally disposed at the rear side of the front plate 100, and the front end of the first top plate 231 is connected to the top end of the rear side of the front plate 100. The pair of second channels 232 are distributed on both sides of the bottom surface of the first top plate 231 in the left-right direction, the opening side of the first channel 221 is connected to the first top plate 231, and the front end of the first channel 221 is connected to the rear side surface of the front panel 100. Thus, the two second channel beams 232 share the first top plate 231, so that the semi-open second channel beams 232 are connected to form a closed box structure, thereby enhancing the bending resistance of the side support beam 200.

In the second embodiment, the second channel 232 is an integral structural member, and three steel plates may be assembled to form the second channel 232 and welded together.

The utility model provides an among the flexible roof beam, side supporting beam 200 adopts the closed box structure, and the closed box originally can use square pipe, and square pipe itself is for four sides confined structure, can save welding processes, promotes the installation effectiveness, but use side's pipe back, because inner space is less, will become extremely difficult to the welding processes of the first horizontal reinforcing plate 210 of inside. Therefore, the utility model provides an in two embodiments, all adopt semi-open channel-section steel structure, weld the back with inside first horizontal reinforcing plate 210, weld first vertical reinforcing plate 222 again, perhaps be connected channel-section steel and first roof 231 again, so, be convenient for weld first horizontal reinforcing plate 210.

In an embodiment of the present invention, the above-mentioned retractable beam further includes a middle supporting beam 300, the middle supporting beam 300 is disposed on the rear side of the front plate 100 perpendicular to the front plate 100, and the middle supporting beam 300 is located between the two pairs of side supporting beams 200. The middle support beam 300 may further improve the bending resistance of the telescopic beam, and the middle support beam 300 may provide an installation space for other structures besides the jack.

The middle support beam 300 may include transverse ribs 320 and longitudinal ribs 310. In this embodiment, one longitudinal reinforcing bead 310 is provided at a middle position in the left-right direction inside the middle support beam 300, the upper and lower sides of the longitudinal reinforcing bead 310 are connected to the top and bottom surfaces of the inside of the middle support beam 300, respectively, and the front side of the longitudinal reinforcing bead 310 is connected to the rear side surface of the front plate 100.

The transverse reinforcing ribs 320 are provided between the left and right sides of the longitudinal reinforcing rib 310 and the left and right sides of the inside of the middle support beam 300, a plurality of transverse reinforcing ribs 320 are provided, the plurality of transverse reinforcing ribs 320 are distributed along the extending direction of the longitudinal reinforcing rib 310, and the arrangement of the transverse reinforcing ribs 320 can enhance the torsion resistance of the middle support beam 300.

In an embodiment of the present invention, the ear plate assembly 500 includes a connecting plate 510 and an ear plate 520, wherein the connecting plate 510 is disposed between each pair of the two side support beams 200 in parallel with the front plate 100 and is located near the front plate 100. The ear plates 520 may include two ear plates 520, the two ear plates 520 being disposed in parallel, the two ear plates 520 extending along the extending direction of the side support beam 200, and the two ear plates 520 being provided with coupling holes. The front ends of the two ear plates 520 are welded to the rear side of the connecting plate 510.

When the jack is installed, the connecting part of the telescopic rod of the jack is aligned with the connecting hole of the ear plate 520 and is connected through the pin shaft.

Further, a second longitudinal reinforcing plate 530 is further provided between the front plate 100 and the connecting plate 510, and the second longitudinal reinforcing plate 530 is parallel to the extending direction of the side support beam 200 and is arranged in the vertical direction. The second longitudinal reinforcing plate 530 is supported between the connecting plate 510 and the front plate 100, and when the jack is extended, the connecting plate 510 is effectively prevented from being deformed.

The utility model also provides a hydraulic support, this hydraulic support include back timber, jack and as above flexible roof beam, flexible roof beam slidable sets up in the box of back timber, the jack setting is between the otic placode subassembly 500 of back timber and flexible roof beam, the flexible roof beam of jack drive is flexible in the box of back timber. Because have the flexible roof beam as above, consequently, the utility model provides a hydraulic support also has with as above the same advantage.

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

Claims

1. A telescoping beam, comprising:

a front plate (100), the front plate (100) being perpendicular to a telescoping direction;

the two pairs of side supporting beams (200) are arranged on the rear side of the front plate (100) and perpendicular to the front plate (100), the two pairs of side supporting beams (200) are distributed at two ends of the front plate (100) along a first direction, and the side supporting beams (200) are of a closed box body structure;

a set of ear plate assemblies (500) are arranged between each pair of the side support beams (200), and the ear plate assemblies (500) are arranged at positions close to the front plate (100).

2. Telescopic beam according to claim 1, characterised in that the side support beam (200) is provided with a first transverse reinforcement plate (210) on the inside.

3. The telescopic beam according to claim 2, characterized in that the side support beam (200) comprises a first channel section (221) and a first longitudinal reinforcement plate (222) closing the opening of the first channel section (221).

4. The telescopic beam according to claim 2, wherein each pair of the side support beams (200) comprises a first top plate (231) and a pair of second channels (232), the pair of second channels (232) are connected to a rear side of the front plate (100) in a direction perpendicular to the front plate (100), and the pair of second channels (232) are distributed in a first direction, and an open side of the second channels (232) is connected to a bottom surface of the first top plate (231).

5. The telescopic beam according to claim 1, further comprising a middle support beam (300), the middle support beam (300) being disposed at a rear side of the front plate (100) perpendicular to the front plate (100), and the middle support beam (300) being located between two pairs of the side support beams (200).

6. Telescopic beam according to claim 5, wherein the central support beam (300) is of a box structure with a hollow interior.

7. Telescopic beam according to claim 6, characterised in that the middle support beam (300) is internally provided with transverse (320) and longitudinal (310) reinforcement.

8. The telescopic beam according to claim 1, wherein the ear plate assembly (500) comprises a connection plate (510) and an ear plate (520), the connection plate (510) being disposed between a pair of the side support beams (200), and the connection plate (510) being parallel to the front plate (100), the ear plate (520) being disposed at a rear side of the connection plate (510) perpendicular to the connection plate (510).

9. Telescopic beam according to claim 8, characterised in that a second longitudinal reinforcement plate (530) is further arranged between the connection plate (510) and the front plate (100).

10. A hydraulic support, comprising a top beam, a jack and the telescopic beam of any one of claims 1 to 9, wherein the telescopic beam is slidably connected with the top beam, and the jack is arranged between the top beam and the telescopic beam.