Single-row type end tail support and forepoling connecting device

Abstract

The utility model relates to the technical field of hydraulic supports, in particular to a single-row type end tail support and forepoling connecting device which comprises a connecting base, a connector and a hinge assembly, the connecting base comprises a back plate and a lug plate, and the lug plate is arranged at one end of the back plate; the ear plate comprises a box body and an ear part, one end of the box body is connected with the back plate, and the other end is connected with the ear part; the ear part is detachably hinged with the forepoling through a hinge component; a distance adjusting hole is formed in the back plate, and the single-row type end tail support is detachably hinged to the distance adjusting hole through a connector and a hinge assembly. The connecting seat is provided with a certain number of equidistant distance adjusting holes, proper holes can be selected for connection according to the eccentric distance between the center line of the single-row end tail support and the center line of the forepoling, and the connecting device for the single-row end tail support and the forepoling has good adaptability. The problem that a single-row type end tail support and an air way forepoling cannot be effectively connected is solved.

Description

Technical Field

[0001] The present application relates to the technical field of hydraulic supports, and in particular to a device for connecting a single-row end support and an advance support. Background Art

[0002] The return air lane is a specific lane in a coal mine, usually designed as a long and narrow passage, and its spatial structure allows the air flow to pass smoothly. Structurally, the return air lane needs to be reinforced to a certain extent according to the specific conditions of the mine to cope with various challenges of the underground environment.

[0003] In order to reinforce the return airway, advance brackets are usually set in the return airway to support and protect it. However, for some coal mines, the roof conditions of the return airway are relatively fragmented. In the matching of working face equipment, it is often found that there is some space left on the side of the return airway end transition frame. At this time, a single-row end bracket is needed for support and protection.

[0004] However, when the single-row end bracket is arranged, its center line does not coincide with the center line of the leading bracket, making it difficult to make an effective connection. Utility Model Content

[0005] The present application aims to solve at least one of the technical problems existing in the prior art or related art.

[0006] To this end, the present application provides a single-row end tail bracket and an advanced bracket connecting device, a certain number of equally spaced distance adjusting holes are provided on the connecting seat, and the appropriate holes can be selected for connection according to the eccentricity between the center line of the single-row end tail bracket and the center line of the advanced bracket. The single-row end tail bracket and the advanced bracket connecting device have good adaptability, and the connection method of the single-row end tail bracket and the advanced bracket is simple and easy to operate, which solves the problem that the single-row end tail bracket and the air channel advanced bracket cannot be effectively connected.

[0007] According to an embodiment of the present application, a single-row end tail bracket and an advanced bracket connecting device is provided, comprising: a connecting seat, a connecting head and a hinge assembly, wherein the connecting seat comprises: a back plate and an ear plate, the ear plate is arranged at one end of the back plate; the ear plate comprises: a box body and an ear, one end of the box body is connected to the back plate, and the other end is connected to the ear; the ear is detachably hinged to the advanced bracket through a hinge assembly; a distance adjustment hole is provided on the back plate, and the single-row end tail bracket is detachably hinged to the distance adjustment hole through the connecting head, the hinge assembly and the distance adjustment hole.

[0008] Optionally, the connecting seat includes: a patch plate, which is arranged on one side of the ear plate.

[0009] Optionally, there are multiple distance-adjusting holes, and the distance-adjusting holes are arranged in a row with equal intervals.

[0010] Optionally, a first pull ring is provided above the box body.

[0011] Optionally, the number of ear plates is 2, and the two ear plates are respectively arranged at two ends of the back plate.

[0012] Optionally, a reinforcing rib is provided between the two ear plates.

[0013] Optionally, it also includes: a connecting rod, one end of which is detachably hinged through a connecting head, a hinge assembly and a distance adjustment hole, and the other end of the connecting rod is detachably hinged through a connecting head, a hinge assembly and a single-row end bracket.

[0014] Optionally, a support plate is provided under the connecting rod.

[0015] Optionally, a second pull ring is provided above the connecting rod.

[0016] Optionally, the hinge assembly includes: a pin, a block and a U-shaped card, the pin is used as a hinge, the block is set on the pin, the U-shaped card is detachably connected to the block, and the block and the U-shaped card are used to fix the pin.

[0017] One of the above technical solutions has at least the following advantages or beneficial effects:

[0018] The present application provides a single-row end-tail bracket and an advanced bracket connection device, comprising: a connection seat, a connection head and a hinge assembly, wherein the connection seat comprises: a back plate and an ear plate, the ear plate is arranged at one end of the back plate; the ear plate comprises: a box body and an ear part, one end of the box body is connected to the back plate, and the other end is connected to the ear part; the ear part is detachably hinged to the advanced bracket through a hinge assembly; a distance adjustment hole is provided on the back plate, and the single-row end-tail bracket is detachably hinged to the distance adjustment hole through the connection head, the hinge assembly and the distance adjustment hole. A certain number of equally spaced distance adjustment holes are provided on the connection seat, and a suitable hole can be selected for connection according to the eccentricity between the center line of the single-row end-tail bracket and the center line of the advanced bracket, and the single-row end-tail bracket and the advanced bracket connection device have good adaptability. The connection method of the single-row end-tail bracket and the advanced bracket connection device is simple and easy to operate, which solves the problem that the single-row end-tail bracket and the wind lane advanced bracket cannot be effectively connected. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the present application, the drawings required for use in the embodiments are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0020] Figure 1 A schematic structural diagram of a single-row end bracket and an advance bracket connection device provided in an embodiment of the present application is shown;

[0021] Figure 2 Shows Figure 1 A partial enlarged view of the middle circled part;

[0022] Figure 3 A front view of a single-row end bracket and an advance bracket connection device provided in an embodiment of the present application is shown;

[0023] Figure 4 A schematic diagram of a connecting rod and a hinge assembly in a single-row end bracket and an advanced bracket connection device provided in an embodiment of the present application is shown;

[0024] Figure 5 A schematic diagram of a connecting seat in a single-row end bracket and an advanced bracket connecting device provided in an embodiment of the present application is shown;

[0025] Figure 6 A schematic diagram showing the working status of the single-row end-tail bracket and the leading bracket provided in an embodiment of the present application is shown.

[0026] [Description of Reference Numerals]

[0027] 1. Connecting seat, 11. Back plate, 12. Ear plate, 121. Box body, 122. Ear, 13. Paste plate, 14. Adjusting hole, 15. Reinforcing rib, 16. First pull ring, 2. Connecting rod, 21. Support plate, 22. Second pull ring, 3. Connecting head, 4. Hinge assembly, 41. Pin shaft, 42. Block, 43. U-shaped card, 5. Advance bracket, 6. Single-row end bracket. DETAILED DESCRIPTION

[0028] In order to better explain the present application and facilitate understanding, the present application is described in detail below in conjunction with the accompanying drawings through specific implementation methods. The directional terms such as "upper", "lower", "front" and "back" mentioned herein are used in conjunction with the accompanying drawings. Figure 3 The orientation of is used as a reference. The position of the second pull ring 22 relative to the support plate 21 is defined as "upper"; the position of the connecting seat 1 relative to the connecting rod 2 is defined as "front".

[0029] As mentioned above, the return air lane in the coal mine is an important part of the mine ventilation system, with a unique structure and function. The return air lane is usually narrow and long, complex in structure, and difficult to maintain. Because it is located deep underground and is affected by natural factors such as geological changes and groundwater erosion for a long time, it needs to be supported and reinforced to ensure its structural integrity and smooth ventilation.

[0030] The advance support, also known as the advance hydraulic support, is a support structure set up in the return air lane and controlled and operated by a hydraulic system. It uses the hydraulic principle and provides power through a hydraulic pump station to make the top beam of the support closely contact with the roof of the lane, thereby supporting and protecting the lane. During the coal mining process, as the working face advances, the roof of the return air lane may be affected by the mine pressure and sink or fall. At this time, the advance hydraulic support can play its supporting and protective role to ensure the stability and safety of the lane.

[0031] However, for some coal mines, the roof conditions of the return air lane are relatively broken. In the matching of working face equipment, there is often some space left on the side of the return air lane under the end transition frame. Since the advanced hydraulic support cannot fully support this position, roof falls and spalling often occur. Roof falls refer to the phenomenon that the roof rock layer undergoes different degrees of deformation and damage due to the activity of mine pressure during mining, resulting in rock fracture and collapse. Roof falls may occur when the roof is improperly protected, the support quality is poor, or the mine pressure continues to increase and exceeds the elastic deformation limit of the rock; spalling is caused by the suspension in the roof rock layer of the goaf, and the pressure is transferred to the coal wall. Under the action of the additional load, part of the coal is crushed and squeezed into the goaf. The supporting pressure in front of the working face is the main reason for the spalling of the coal wall. At this time, a single-row end support is needed for support and protection.

[0032] Single-row end support, also known as single-row hydraulic support, is specially used to support and protect the tunnel when there is a small space on the side. Due to its single-row design, such as Figure 6 As shown, there is an eccentric distance D between the center line of the single-row end bracket and the center line of the leading bracket. Therefore, when the single-row end bracket is arranged, its center line does not coincide with the center line of the leading bracket, making it difficult to effectively connect.

[0033] In order to solve at least one of the technical problems existing in the prior art or related technology, the present application provides a single-row end-tail bracket and an advance bracket connection device, including: a connection seat, a connection head and a hinge assembly, wherein the connection seat includes: a back plate and an ear plate, the ear plate is arranged at one end of the back plate; the ear plate includes: a box body and an ear part, one end of the box body is connected to the back plate, and the other end is connected to the ear part; the ear part is detachably hinged to the advance bracket through a hinge assembly; a distance adjustment hole is provided on the back plate, and the single-row end-tail bracket is detachably hinged to the distance adjustment hole through the connection head, the hinge assembly and the distance adjustment hole. A certain number of equally spaced distance adjustment holes are provided on the connection seat, and a suitable hole can be selected for connection according to the eccentricity between the center line of the single-row end-tail bracket and the center line of the advance bracket, and the single-row end-tail bracket and the advance bracket connection device have good adaptability. The connection method of the single-row end-tail bracket and the advance bracket connection device is simple and easy to operate, which solves the problem that the single-row end-tail bracket and the wind lane advance bracket cannot be effectively connected.

[0034] The following describes a single-row end-tail bracket and advance bracket connection device according to some embodiments provided by the present application with reference to the accompanying drawings.

[0035] See also Figures 1 to 6 , a single-row end tail bracket and leading bracket connecting device provided in an embodiment of the first aspect of the present application includes: a connecting seat 1, a connecting head 3 and a hinge assembly 4, wherein the connecting seat 1 includes: a back plate 11 and an ear plate 12, the ear plate 12 is arranged at one end of the back plate 11; the ear plate 12 includes: a box body 121 and an ear 122, one end of the box body 121 is connected to the back plate 11, and the other end is connected to the ear 122; the ear 122 is detachably hinged to the leading bracket 5 through the hinge assembly 4; a distance adjusting hole 14 is provided on the back plate 11, and the single-row end tail bracket 6 is detachably hinged to the distance adjusting hole 14 through the connecting head 3, the hinge assembly 4 and the distance adjusting hole 14.

[0036] The ear plate 12 and the back plate 11 are generally made of high-strength materials, such as steel plates, aluminum plates, etc., and can be fixed together by welding, integral molding or bolt connection. Since there is an eccentricity D between the center line of the single-row end bracket 6 and the center line of the leading bracket 5, the direction of the eccentricity D is assumed to be Figure 6 The direction of the middle arrow is the width, and the front-to-back direction is the length. The width of the back plate 11 should be greater than the eccentricity D. The distance adjustment hole 14 is used to adjust the width. The width between the ear plate 12 and the distance adjustment hole 14 is designed to be the eccentricity D, so that the single-row end bracket and the wind tunnel leading bracket are effectively connected. It can be understood that the width between the ear plate 12 and the distance adjustment hole 14 does not need to be absolutely equal to the eccentricity D, and there can be a deviation within a certain numerical range.

[0037] The box 121 increases the strength and rigidity of the connection base 1 by increasing the width of the steel plate; the ear 122 is used as a transition connector to cooperate with the connection end of the advance bracket 5; the connector 3 is used as a transition connector to cooperate with the connection end and the distance adjustment hole 14 of the single-row end bracket 6. The connector 3 and the hinge assembly 4 realize detachable hinge between the joints. The detachable method is used to facilitate installation and maintenance; the hinge method is used to leave a certain amount of space for movement. The single-row end bracket and the advance bracket will inevitably move during operation. If a fixed method is used for connection, it is easy to cause deformation or damage to the connection base 1.

[0038] Furthermore, the length of the back plate 11 is smaller than its width, and the length of the back plate 11 can be designed according to the area occupied by the distance adjustment hole 14 and the connector 3. This design is to reduce the weight of the connector 1 and facilitate transportation and installation.

[0039] Furthermore, the width of one end of the box body 121 close to the back plate 11 is greater than 0.5 times the length of the back plate 11. This design is to increase the strength and rigidity of the connecting socket 1 and prevent the connecting socket 1 from being deformed or damaged.

[0040] Furthermore, one end of the box body 121 close to the back plate 11 is designed as a rectangular parallelepiped, and one end close to the ear 122 is designed as a triangle. This design is to increase the strength and rigidity of the connecting base 1 and prevent the connecting base 1 from deformation or damage.

[0041] In an illustrative embodiment, Figure 2 As shown, the connection socket 1 includes: a sticking plate 13 , which is arranged on one side of the ear plate 12 .

[0042] The ear plate 12 is an important structure for connecting the advance bracket 5. However, the single-row end bracket and the advance bracket will inevitably move during operation, and the ear plate 12 may be deformed or damaged due to excessive force or external impact. At this time, the plate 13 arranged on one side of the ear plate 12 can play a role in enhancing the structural strength. The plate 13 is generally made of high-strength materials, such as steel plates, aluminum plates, etc., and has high tensile, compressive and bending resistance. Through the cooperation of the plate 13 and the ear plate 12, the force from the outside can be effectively dispersed and borne, thereby greatly reducing the deformation and damage risks of the ear plate 12, and can improve the stability and durability of the ear plate 12 and extend its service life.

[0043] In an illustrative embodiment, Figure 5 As shown, there are multiple distance adjustment holes 14, and the distance adjustment holes 14 are arranged in a row with equal spacing. The equally spaced distance adjustment holes 14 allow the operator to select a suitable hole position for installation according to the actual eccentricity D, and can be easily adjusted to adapt to different working environments or task requirements; moreover, since the distance adjustment holes 14 are arranged at equal spacing, the operator can more easily locate and select the hole position, thereby simplifying the installation process, which can not only reduce the installation time, but also reduce the risk of installation errors.

[0044] In an exemplary embodiment, a first pull ring 16 is provided above the box body 121. The first pull ring 16 is used for hoisting operations, and the operation of the first pull ring 16 is simple and easy to understand, and is convenient and quick to use, which makes the hoisting operation easier, greatly shortens the operation time, and improves work efficiency.

[0045] In an exemplary embodiment, the number of the ear plates 12 is two, and the two ear plates 12 are respectively arranged at the two ends of the back plate 11. This arrangement can make the range of adjusting the eccentricity D larger; and the two ear plates 12 are respectively arranged at the two ends of the back plate 11, which can form a stable supporting structure. This layout can effectively prevent the back plate 11 from bending or twisting when subjected to external forces, thereby maintaining the stability and rigidity of the entire structure.

[0046] In an exemplary embodiment, a reinforcing rib 15 is provided between the two ear plates 12. The reinforcing rib 15 can significantly enhance the connection strength between the two ear plates 12, can effectively improve the rigidity of the entire structure, and prevent the structure from being deformed or twisted when subjected to external forces; at the same time, the provision of the reinforcing rib 15 can change the stress distribution of the structure, so that the stress is more evenly distributed in various parts, thereby avoiding damage caused by excessive local stress.

[0047] In an illustrative embodiment, Figure 3 As shown, the single-row end bracket and the leading bracket connection device also includes: a connecting rod 2, one end of the connecting rod 2 is detachably hinged to the distance adjustment hole 14 through a connecting head 3 and a hinge assembly 4, and the other end is detachably hinged to the single-row end bracket 6 through a connecting head 3 and a hinge assembly 4. The connecting rod 2 can increase the connection distance. If the distance between the single-row end bracket 6 and the leading bracket 5 is relatively far, the connecting rod 2 can be used to connect them.

[0048] In an exemplary embodiment, a support plate 21 is provided below the connecting rod 2. The support plate 21 is in contact with the ground and plays a supporting role to prevent the middle part from sagging.

[0049] In an illustrative embodiment, a second pull ring 22 is provided above the connecting rod 2. The second pull ring 22 is used for hoisting operations, and the operation of the second pull ring 22 is simple and easy to understand, and is convenient and quick to use, which makes the hoisting operation easier, greatly shortens the operation time, and improves work efficiency.

[0050] In an illustrative embodiment, Figure 4 As shown, the hinge assembly 4 includes: a pin shaft 41, a stopper 42 and a U-shaped card 43. The pin shaft 41 is used as a hinge. The stopper 42 is arranged on the pin shaft 41. The U-shaped card 43 is detachably connected to the stopper 42. The stopper 42 and the U-shaped card 43 are used to fix the pin shaft 41.

[0051] When installation is required, the pin 41 is placed into the corresponding through hole, for example, the pin 41 is placed into the through hole corresponding to the connector 3 and the distance adjustment hole 14, and then the block 42 is installed on the pin 41, and finally the U-shaped card 43 is inserted into the block 42, and the installation is completed; when disassembly is required, the U-shaped card 43 is first taken out from the block 42, and then the block 42 is taken out, and finally the pin 41 is taken out, and the disassembly is completed. This setting is simple and easy to understand, and the installation and disassembly are convenient and quick, which greatly shortens the operation time and improves the work efficiency.

[0052] In the description of the present application, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood 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 the feature. In the description of the present application, "plurality" means two or more, unless otherwise clearly and specifically defined.

[0053] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, or a detachable hinge, or an integral one; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0054] In the present application, unless otherwise clearly specified and limited, when a first feature is “on” or “below” a second feature, it may be that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, when a first feature is “above”, “above” or “above” a second feature, it may be that the first feature is directly above or obliquely above the second feature, or it may simply mean that the first feature is higher in level than the second feature. When a first feature is “below”, “below” or “below” a second feature, it may be that the first feature is directly below or obliquely below the second feature, or it may simply mean that the first feature is lower in level than the second feature.

[0055] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "embodiment", "exemplary embodiment", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0056] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A single-row end bracket and leading bracket connection device, characterized in that: include: A connecting seat (1), a connecting head (3) and a hinge assembly (4), wherein: The connecting seat (1) comprises: a back plate (11) and an ear plate (12), wherein the ear plate (12) is arranged at one end of the back plate (11); The ear plate (12) comprises: a box body (121) and an ear portion (122); one end of the box body (121) is connected to the back plate (11), and the other end is connected to the ear portion (122); The ear portion (122) is detachably hinged to the advance bracket (5) via the hinge assembly (4); The back plate (11) is provided with a distance adjustment hole (14), and the single-row end bracket (6) is detachably hinged to the distance adjustment hole (14) via the connecting head (3) and the hinge assembly (4).

2. A single-row end bracket and leading bracket connection device as claimed in claim 1, characterized in that: The connecting seat (1) comprises: a sticking plate (13), wherein the sticking plate (13) is arranged on one side of the ear plate (12).

3. A single-row end bracket and leading bracket connection device as claimed in claim 1, characterized in that: The number of the distance adjustment holes (14) is multiple, and the distance adjustment holes (14) are arranged in a row with equal spacing.

4. A single-row end bracket and leading bracket connection device as claimed in claim 1, characterized in that: A first pull ring (16) is provided above the box body (121).

5. A single-row end bracket and leading bracket connection device as claimed in claim 1, characterized in that: The number of the ear plates (12) is two, and the two ear plates (12) are respectively arranged at two ends of the back plate (11).

6. A single-row end bracket and leading bracket connection device as claimed in claim 5, characterized in that: A reinforcing rib (15) is provided between the two ear plates (12).

7. A single-row end bracket and leading bracket connection device as claimed in claim 1, characterized in that: Also includes: A connecting rod (2), one end of the connecting rod (2) is detachably hinged to the distance adjustment hole (14) through the connecting head (3), the hinge assembly (4), and the other end of the connecting rod (2) is detachably hinged to the single-row end bracket (6) through the connecting head (3), the hinge assembly (4).

8. A single-row end bracket and leading bracket connection device as claimed in claim 7, characterized in that: A support plate (21) is provided below the connecting rod (2).

9. A single-row end bracket and leading bracket connection device as claimed in claim 7, characterized in that: A second pull ring (22) is provided above the connecting rod (2).

10. A single-row end bracket and leading bracket connection device as claimed in claim 1, characterized in that: The hinge assembly (4) comprises: a pin shaft (41), a stopper (42) and a U-shaped clip (43); the pin shaft (41) is used as a hinge; the stopper (42) is arranged on the pin shaft (41); the U-shaped clip (43) is detachably connected to the stopper (42); and the stopper (42) and the U-shaped clip (43) are used to fix the pin shaft (41).

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