CN211598716U

CN211598716U - Stack type support

Info

Publication number: CN211598716U
Application number: CN202020101403.6U
Authority: CN
Inventors: 杨俊哲; 许联航; 原长锁; 吴军
Original assignee: Shenhua Shendong Coal Group Co Ltd
Current assignee: Shenhua Shendong Coal Group Co Ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-09-29
Anticipated expiration: 2030-01-16

Abstract

The utility model discloses a buttress formula support. Buttress formula support includes base and cover roof beam, still includes: the front support assembly and the rear support assembly are oppositely arranged; the front support assembly comprises a first connecting rod and a second connecting rod which are oppositely arranged; two ends of the first connecting rod are respectively and correspondingly rotationally connected to the base and the shield beam one by one, and two ends of the second connecting rod are respectively and correspondingly rotationally connected to the base and the shield beam one by one; the rear support assembly comprises a third connecting rod and a fourth connecting rod which are oppositely arranged; two ends of the third connecting rod are respectively and correspondingly rotationally connected to the base and the shield beam one by one, and two ends of the fourth connecting rod are respectively and correspondingly rotationally connected to the base and the shield beam one by one; the front support assembly and the rear support assembly are arranged along the length direction of the base; the front support assembly and the rear support assembly are arranged along the length direction of the shield beam. The utility model provides a buttress formula support has satisfied the requirement of strutting in big mining height working face withdrawal tunnel.

Description

Stack type support

Technical Field

The utility model relates to a mechanical equipment technical field especially relates to a buttress formula support.

Background

The stack type support is one of the supporting type supports, the base is of an integral box type, the resetting mechanism is arranged in the base, and the whole support moves forwards.

In the prior art, a base and a shield beam are generally arranged in a traditional stack support, and the base is connected with the shield beam in a rotating mode, so that the angle of the shield beam can be changed to a certain degree to adapt to top plates with various heights, and a support connecting rod is further arranged between the base and the shield beam to support the shield beam. The inventor discovers that the support height and the working pressure of the stack type support are further increased along with the further increase of the mining height of the roadway and the entering of the mining mode of the fully mechanized mining working face with the large mining height, and the support requirement of the stack type support on the working face with the large mining height cannot be met by the conventional single support connecting rod.

Therefore, it is necessary to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a buttress type support to solve the problem that exists among the prior art, in order to satisfy the requirement of strutting of working face of adopting high greatly.

The utility model provides a buttress formula support, including base and shield roof beam, still include: the front support assembly and the rear support assembly are oppositely arranged; the front support assembly comprises a first connecting rod and a second connecting rod which are oppositely arranged; two ends of the first connecting rod are respectively and correspondingly rotationally connected to the base and the shield beam, and two ends of the second connecting rod are respectively and correspondingly and rotationally connected to the base and the shield beam; the rear support assembly comprises a third connecting rod and a fourth connecting rod which are oppositely arranged; two ends of the third connecting rod are respectively and correspondingly rotationally connected to the base and the shield beam, and two ends of the fourth connecting rod are respectively and correspondingly and rotationally connected to the base and the shield beam; the front support assembly and the rear support assembly are arranged along the length direction of the base; the front support assembly and the rear support assembly are arranged along the length direction of the shield beam.

Optionally, the base is provided with a first strip-shaped mounting seat and a second strip-shaped mounting seat, and the first mounting seat and the second strip-shaped mounting seat are arranged oppositely and arranged along the length direction of the base; the first end of the first connecting rod and the first end of the third connecting rod are rotatably connected in the first mounting seat and are arranged along the length direction of the first mounting seat; the first end of the second connecting rod and the first end of the fourth connecting rod are rotatably connected in the second mounting seat and are arranged along the length direction of the second mounting seat.

Optionally, a first mounting groove in a bar shape is formed in the first mounting seat, the extending direction of the first mounting groove is the same as the length direction of the base, and the first end of the first connecting rod and the first end of the third connecting rod are rotatably mounted in the first mounting groove.

Optionally, the first end of the first connecting rod is rotatably connected to the two opposite groove walls of the first mounting groove through a first pin, and the first end of the third connecting rod is rotatably connected to the two opposite groove walls of the first mounting groove through a second pin.

Optionally, a strip-shaped second mounting groove is formed in the second mounting seat, the extending direction of the second mounting groove is the same as the length direction of the base, and the first end of the second connecting rod and the first end of the fourth connecting rod are rotatably mounted in the second mounting groove.

Optionally, the first end of the second connecting rod is rotatably connected to the two opposite groove walls of the second mounting groove through a third pin, and the first end of the fourth connecting rod is rotatably connected to the two opposite groove walls of the second mounting groove through a fourth pin.

Optionally, the second end of the first connecting rod is rotatably connected to the shield beam through a fifth pin, and the second end of the third connecting rod is rotatably connected to the shield beam through a sixth pin.

Optionally, the second end of the second connecting rod is rotatably connected to the shield beam through a seventh pin, and the second end of the fourth connecting rod is rotatably connected to the shield beam through an eighth pin.

Optionally, the central axis of the first pin shaft and the central axis of the third pin shaft are arranged in a collinear manner, and the central axis of the second pin shaft and the central axis of the fourth pin shaft are arranged in a collinear manner; the central axis of the fifth pin shaft and the central axis of the seventh pin shaft are arranged in a collinear manner, and the central axis of the sixth pin shaft and the central axis of the eighth pin shaft are arranged in a collinear manner.

Optionally, the central axis of the first pin is parallel to the central axis of the second pin and is a perpendicular distance L1, the central axis of the fifth pin is parallel to the central axis of the sixth pin and is a perpendicular distance L2, and L1> L2.

The utility model provides a buttress type support forms first four-bar linkage of group through first connecting rod, third connecting rod, base and shield roof beam, forms second four-bar linkage through second connecting rod, fourth connecting rod, base and shield roof beam, forms two four-bar linkage supporting mechanism between base and shield roof beam, plays dual-support's effect to shield roof beam to increase the supporting effect to shield roof beam effectively, satisfy the support requirement of heavy mining work in the face of tunnel.

Drawings

The preferred embodiments of the present invention will hereinafter be described in detail to facilitate understanding of the objects and advantages of the invention, with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural view of a stack support according to an alternative embodiment of the present invention.

Fig. 2 is a schematic view of a first structure of the front support assembly and the rear support assembly mounted on the base according to an alternative embodiment of the present invention.

Fig. 3 is a front view of fig. 2.

Fig. 4 is a second schematic structural view of the front support assembly and the rear support assembly mounted on the base according to an alternative embodiment of the present invention.

Fig. 5 is a schematic view of a third structure in which the front support assembly and the rear support assembly are mounted on the base according to an alternative embodiment of the present invention.

Detailed Description

The terms of orientation of up, down, left, right, front, back, top, bottom, and the like as referred to or as may be referred to in this specification are defined with respect to the configuration shown in the drawings, and the terms "inner" and "outer" refer to directions toward and away from the geometric center of a particular component and are relative terms, and thus may be changed accordingly depending on the position and the state of use of the particular component. Therefore, these and other directional terms should not be construed as limiting terms.

As shown in fig. 1 to 5, the utility model provides a stack support, including base 1 and shield roof beam 2, relative front support assembly 3 and the back support assembly 4 that sets up.

Referring to fig. 1 to 5, the front support assembly 3 includes a first connecting rod 31 and a second connecting rod 32 disposed oppositely; two ends of the first connecting rod 31 are respectively and correspondingly rotatably connected to the base 1 and the shield beam 2, and two ends of the second connecting rod 32 are respectively and correspondingly rotatably connected to the base 1 and the shield beam 2; the rear support assembly 4 comprises a third connecting rod 41 and a fourth connecting rod 42 which are oppositely arranged; two ends of the third connecting rod 41 are respectively and correspondingly rotatably connected to the base 1 and the shield beam 2, and two ends of the fourth connecting rod 42 are respectively and correspondingly rotatably connected to the base 1 and the shield beam 2; the front support component 3 and the rear support component 4 are arranged in a row along the length direction of the base 1; the front support assemblies 3 and the rear support assemblies 4 are arranged in line along the length direction of the shelter beam 2.

The utility model provides an among the buttress type support, through first connecting rod 31, third connecting rod 41, base 1 and shield roof beam 2 form first group's four-bar linkage, through second connecting rod 32, fourth connecting rod 42, base 1 and shield roof beam 2 form second group's four-bar linkage, form two four-bar linkage supporting mechanism between base 1 and shield roof beam 2, play dual-support's effect to shield roof beam 2, with the supporting effect of effective increase to shield roof beam 2, satisfy the support requirement of heavy mining work in the face of tunnel.

Optionally, the base 1 is provided with a first strip-shaped mounting seat 11 and a second strip-shaped mounting seat 12, and the first mounting seat 11 and the second strip-shaped mounting seat 12 are oppositely arranged and arranged along the length direction of the base 1; the first end of the first link 31 and the first end of the third link 41 are both rotatably connected in the first mounting seat 11 and are arranged in a row along the length direction of the first mounting seat 11; the first end of the second link 32 and the first end of the fourth link 42 are both rotatably connected in the second mounting seat 12 and are arranged along the length direction of the second mounting seat 12. As shown in fig. 2, the first mounting seat 11 can perform an installation and support function on the first link 31 and the third link 41, so as to improve an integration effect between the first link 31 and the third link 41, and the second mounting seat 12 can perform an installation and support function on the second link 32 and the fourth link 42, so as to improve an integration effect between the second link 32 and the fourth link 42.

Optionally, a first strip-shaped mounting groove is formed in the first mounting seat 11, an extending direction of the first mounting groove is the same as a length direction of the base 1, and the first end of the first connecting rod 31 and the first end of the third connecting rod 41 are both rotatably mounted in the first mounting groove. The first mounting groove can support and limit the first connecting rod 31 and the third connecting rod 41, and prevent the first connecting rod 31 and the third connecting rod 41 from inclining sideways along the direction of the rotating shaft of the first connecting rod 31 and the third connecting rod 41 under the pressure of the shield beam 2.

Optionally, the first end of the first connecting rod 31 is rotatably connected to the two opposite groove walls of the first mounting groove through a first pin, and the first end of the third connecting rod 41 is rotatably connected to the two opposite groove walls of the first mounting groove through a second pin. The rotary connection through the pin shaft has the advantages of high rotation flexibility and convenience in control.

Wherein, first round pin axle can be fixed wear to establish the first end of first connecting rod 31, and the both ends of first round pin axle are respectively on two cell walls that relative set up on first mounting groove one-to-one ground swivelling joint, and then realize the effect of first connecting rod 31 swivelling joint in first mounting groove. In addition, the two ends of the first pin shaft can be provided with threads, and the two ends of the first pin shaft are respectively fastened on the respective corresponding groove walls through nuts after penetrating out of the two groove walls in a one-to-one correspondence manner, so that the fastening after the position of the first connecting rod 31 is adjusted is realized, and the stable support of the shield beam 2 is facilitated. The second pin shaft can fixedly penetrate through the first end of the third connecting rod 41, and two ends of the second pin shaft are respectively and correspondingly rotationally connected to two groove walls which are oppositely arranged on the first mounting groove one by one, so that the effect of rotationally connecting the third connecting rod 41 in the first mounting groove is realized. In addition, both ends of the second pin shaft can be provided with threads, and the both ends of the second pin shaft are respectively fastened on the respective corresponding groove walls through nuts after penetrating out from the two groove walls in a one-to-one correspondence manner, so that the fastening after the position of the third connecting rod 41 is adjusted is realized, and the stable support of the shield beam 2 is facilitated.

Optionally, a strip-shaped second mounting groove is formed in the second mounting seat 12, an extending direction of the second mounting groove is the same as a length direction of the base 1, and the first end of the second connecting rod 32 and the first end of the fourth connecting rod 42 are both rotatably mounted in the second mounting groove. The second mounting groove can support and limit the second connecting rod 32 and the fourth connecting rod 42, and prevent the second connecting rod 32 and the fourth connecting rod 42 from inclining sideways along the direction of the rotating shaft of the second connecting rod 32 and the fourth connecting rod 42 under the pressure of the shield beam 2.

Optionally, the first end of the second connecting rod 32 is rotatably connected to two opposite groove walls of the second mounting groove through a third pin, and the first end of the fourth connecting rod 42 is rotatably connected to two opposite groove walls of the second mounting groove through a fourth pin. The rotary connection through the pin shaft has the advantages of high rotation flexibility and convenience in control.

Wherein, the first end of second connecting rod 32 can be fixed to wear to establish by the third round pin axle, and the both ends of third round pin axle are respectively on two cell walls that relative set up on the second mounting groove one-to-one ground swivelling joint, and then realize the effect of first connecting rod 31 swivelling joint in first mounting groove. In addition, both ends of the third pin shaft can be provided with threads, and the both ends of the third pin shaft are respectively fastened on the respective corresponding groove walls through nuts after penetrating out from the two groove walls in a one-to-one correspondence manner, so that the fastening after the position of the second connecting rod 32 is adjusted is realized, and the stable support of the shield beam 2 is facilitated. The fourth pin shaft can be fixedly arranged at the first end of the fourth connecting rod 42 in a penetrating mode, and two ends of the fourth pin shaft are respectively and correspondingly rotationally connected to two groove walls which are oppositely arranged on the second mounting groove one by one, so that the effect of rotationally connecting the fourth connecting rod 42 in the second mounting groove is achieved. In addition, both ends of the fourth pin shaft may be provided with threads, and both ends of the fourth pin shaft are respectively fastened to the respective corresponding groove walls through nuts after penetrating through the two groove walls in a one-to-one correspondence manner, so as to realize fastening after adjusting the position of the fourth connecting rod 42, thereby facilitating stable support of the shield beam 2.

Optionally, the second end of the first link 31 is rotatably connected to the shield beam 2 through a fifth pin 51, and the second end of the third link 41 is rotatably connected to the shield beam 2 through a sixth pin 61. The rotary connection through the pin shaft has the advantages of high rotation flexibility and convenience in control. The manner of connecting the second end of the first connecting rod 31 to the shield beam 2 through the fifth pin 51 may be the same as the manner of connecting the first end of the first connecting rod 31 to the base 1 through the first pin, and will not be described herein again. The way of rotationally connecting the second end of the third link 41 to the shield beam 2 through the sixth pin 61 may be the same as the way of rotationally connecting the second end of the third link 41 to the base 1 through the second pin, and will not be described herein again.

Optionally, the second end of the second connecting rod 32 is rotatably connected to the shield beam 2 through a seventh pin 71, and the second end of the fourth connecting rod 42 is rotatably connected to the shield beam 2 through an eighth pin 81. The rotary connection through the pin shaft has the advantages of high rotation flexibility and convenience in control. The manner in which the second end of the second connecting rod 32 is connected to the shield beam 2 by the seventh pin 71 may be the same as the manner in which the first end of the second connecting rod 32 is connected to the base 1 by the third pin, and will not be described herein again. The mode of the second end of the fourth connecting rod 42 being rotatably connected to the shield beam 2 by the eighth pin 81 may be the same as the mode of the first end of the fourth connecting rod 42 being rotatably connected to the base 1 by the fourth pin, and will not be described herein again.

Optionally, the central axis of the first pin shaft and the central axis of the third pin shaft are arranged in a collinear manner, and the central axis of the second pin shaft and the central axis of the fourth pin shaft are arranged in a collinear manner; the central axis of the fifth pin 51 is collinear with the central axis of the seventh pin 71, and the central axis of the sixth pin 61 is collinear with the central axis of the eighth pin 81. The present embodiment can effectively improve the linkage effect among the first link 31, the second link 32, the third link 41, and the fourth link 42, and further improve the supporting effect on the shield beam 2.

Optionally, the central axis of the first pin is parallel to the central axis of the second pin and has a vertical distance of L1, the central axis of the fifth pin 51 is parallel to the central axis of the sixth pin 61 and has a vertical distance of L2, and L1> L2. The present embodiment can gradually decrease the distance between the first link 31 and the second third link 41 and the distance between the second link 32 and the fourth link 42 in the direction approaching the shield, which is beneficial to the concentrated support of the shield beam 2. The back supporting component can be installed at the first end of shield roof beam 2, and back timber 5 is installed to the second end of shield roof beam 2, and second end through supporting shield roof beam 2, and then makes shield roof beam 2 support back timber 5 effectively, improves the supporting effect of buttress support.

The utility model provides a buttress type support, the pressure of shielding roof beam 2 is undertaken jointly through preceding supporting component 3 and back supporting component 4, can make first connecting rod 31, second connecting rod 32, third connecting rod 41, and fourth connecting rod 42's atress can disperse, be favorable to reducing first round pin axle, the second round pin axle, the third round pin axle, the fourth round pin axle, fifth round pin axle 51, sixth round pin axle 61, seventh round pin axle 71, and the axle diameter of eighth round pin axle 81, can also be provided with hydro-cylinder 6 between back timber 5 and the base 1, be used for further increasing the supporting effect to back timber 5.

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, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a buttress type support, includes base and shielding roof beam, its characterized in that still includes: the front support assembly and the rear support assembly are oppositely arranged;

the front support assembly comprises a first connecting rod and a second connecting rod which are oppositely arranged; two ends of the first connecting rod are respectively and correspondingly rotationally connected to the base and the shield beam, and two ends of the second connecting rod are respectively and correspondingly and rotationally connected to the base and the shield beam;

the rear support assembly comprises a third connecting rod and a fourth connecting rod which are oppositely arranged; two ends of the third connecting rod are respectively and correspondingly rotationally connected to the base and the shield beam, and two ends of the fourth connecting rod are respectively and correspondingly and rotationally connected to the base and the shield beam;

the front support assembly and the rear support assembly are arranged along the length direction of the base; the front support assembly and the rear support assembly are arranged along the length direction of the shield beam.

2. A stacking rack as claimed in claim 1, wherein the base is provided with first and second bar-shaped mounts, the first and second mounts being arranged opposite one another and aligned along the length of the base; the first end of the first connecting rod and the first end of the third connecting rod are rotatably connected in the first mounting seat and are arranged along the length direction of the first mounting seat; the first end of the second connecting rod and the first end of the fourth connecting rod are rotatably connected in the second mounting seat and are arranged along the length direction of the second mounting seat.

3. The stacking support of claim 2, wherein the first mounting seat defines a first mounting slot, the first mounting slot extends in a direction same as a length direction of the base, and the first end of the first connecting rod and the first end of the third connecting rod are rotatably mounted in the first mounting slot.

4. A stacking support as claimed in claim 3, in which the first end of the first link is pivotally connected to the opposed walls of the first mounting slot by a first pin and the first end of the third link is pivotally connected to the opposed walls of the first mounting slot by a second pin.

5. The stacking support of claim 4, wherein the second mounting seat defines a second mounting slot, the second mounting slot extends in the same direction as the length of the base, and the first end of the second link and the first end of the fourth link are rotatably mounted in the second mounting slot.

6. A stacking support as claimed in claim 5, in which the first end of the second link is pivotally connected to the opposed walls of the second mounting slot by a third pin and the first end of the fourth link is pivotally connected to the opposed walls of the second mounting slot by a fourth pin.

7. A stacking support as claimed in claim 6, in which the second end of the first link is pivotally connected to the shield beam by a fifth pin and the second end of the third link is pivotally connected to the shield beam by a sixth pin.

8. The stacking stand of claim 7, wherein the second end of the second link is pivotally connected to the shield beam by a seventh pin and the second end of the fourth link is pivotally connected to the shield beam by an eighth pin.

9. A stacking rack as defined in claim 8, wherein the central axis of the first pin is co-linear with the central axis of the third pin, and the central axis of the second pin is co-linear with the central axis of the fourth pin; the central axis of the fifth pin shaft and the central axis of the seventh pin shaft are arranged in a collinear manner, and the central axis of the sixth pin shaft and the central axis of the eighth pin shaft are arranged in a collinear manner.

10. A stacking rack as claimed in claim 9, in which the central axis of the first pin is disposed parallel to and at a vertical distance L1 from the central axis of the second pin, and the central axis of the fifth pin is disposed parallel to and at a vertical distance L2 from the central axis of the sixth pin, L1> L2.