CN111365052A - Novel triangular space supporting device - Google Patents
Novel triangular space supporting device Download PDFInfo
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- CN111365052A CN111365052A CN202010343720.3A CN202010343720A CN111365052A CN 111365052 A CN111365052 A CN 111365052A CN 202010343720 A CN202010343720 A CN 202010343720A CN 111365052 A CN111365052 A CN 111365052A
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- 238000010586 diagram Methods 0.000 description 3
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
- E21D23/0017—Pile type supports
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
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Abstract
The invention discloses a novel triangular area supporting device which comprises a first supporting unit and a second supporting unit, wherein the first supporting unit comprises a first vertical telescopic piece, a first top supporting piece, a first base piece, a first side supporting piece, a first connecting rod and a third side supporting piece which are vertically arranged, and the second supporting unit comprises a second vertical telescopic piece, a second top supporting piece, a second base piece, a second side supporting piece, a second connecting rod and a fourth side supporting piece. The device is provided with a supporting mode of combining the top supporting piece and the side supporting piece, so that the supporting strength is enhanced; the third supporting piece and the fourth supporting piece are adopted to support the side face of the coal mine, so that the safety is higher; the telescopic plates capable of stretching towards the front end and the rear end simultaneously are adopted, so that the supporting area is larger.
Description
Technical Field
The invention relates to the technical field of coal mine fully mechanized mining, in particular to a novel triangular area supporting device.
Background
In the coal mine production, after the fully mechanized coal face (stope face) is stoped, equipment such as a hydraulic support of the fully mechanized coal face needs to be withdrawn, a triangular area needing circular support can be formed between a support at the end of the working face and the support to be withdrawn in the withdrawing process of the hydraulic support, and the triangular area is a place where accidents of withdrawing the support are frequent. At present, one or more modes of single hydraulic prop, I-steel (hinged top beam), wood buttress and shield support are generally adopted to carry out triangular area supporting work. The existing supporting mode has a series of problems of low supporting strength, low production efficiency, multiple potential safety hazards and the like, and the withdrawing of the fully mechanized coal mining face support is always a weak link and a difficult point of safety management of coal mine enterprises.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems occurring in the conventional triangular supporting apparatus.
Therefore, the problem to be solved by the invention is how to solve the problem of supporting the triangular area.
In order to solve the technical problems, the invention provides the following technical scheme: the first supporting unit comprises a first vertical telescopic piece, a first top supporting piece and a first base piece which are vertically arranged, and a first side supporting piece connected with the first top supporting piece, wherein the first top supporting piece and the first base piece are respectively connected with the top end and the bottom end of the first vertical telescopic piece; and the second supporting unit is arranged at the front end of the first supporting unit and comprises a vertically arranged second vertical telescopic piece, a second supporting piece and a second base piece which are respectively connected with the top end and the bottom end of the second vertical telescopic piece, and a second side supporting piece connected with the second supporting piece, wherein the second side supporting piece is arranged at the side edge of the second supporting unit.
As a preferable scheme of the novel triangular area supporting device of the invention, wherein: the first side supporting piece and the first base piece are connected through two first connecting rods which are not crossed with each other, and two ends of each first connecting rod are hinged with the first side supporting piece and the first base piece respectively to form a geometric variable system.
As a preferable scheme of the novel triangular area supporting device of the invention, wherein: the second side supporting piece and the second base piece are connected through two second connecting rods which are not crossed with each other, and two ends of each second connecting rod are hinged with the second side supporting piece and the second base piece respectively to form a geometric variable system.
As a preferable scheme of the novel triangular area supporting device of the invention, wherein: the second top supporting piece is internally provided with a telescopic plate capable of longitudinally stretching, and the telescopic plate can stretch out and draw back towards the front end and/or the rear end of the second top supporting piece.
As a preferable scheme of the novel triangular area supporting device of the invention, wherein: the first top support piece and the second top support piece are respectively hinged with a third side support piece and a fourth side support piece, the third side support piece comprises a third telescopic piece hinged at the bottom end of the first top support piece and a first support piece hinged at the right side of the first top support piece, and the third telescopic piece is hinged with the first support piece.
As a preferable scheme of the novel triangular area supporting device of the invention, wherein: the fourth side support piece comprises a fourth telescopic piece hinged to the bottom end of the second top support piece and a second support piece hinged to the right side of the second top support piece, and the fourth telescopic piece is hinged to the second support piece.
As a preferable scheme of the novel triangular area supporting device of the invention, wherein: the second basis piece is inside to be provided with horizontal extensible member, horizontal extensible member with first basis piece is connected, horizontal extensible member can vertically stretch out and draw back.
As a preferable scheme of the novel triangular area supporting device of the invention, wherein: the second supporting unit is provided with at least one group; when the first supporting unit is provided with two or more groups, the first supporting unit and the second supporting unit are longitudinally arranged in parallel, and except the second supporting unit adjacent to the first supporting unit, the horizontal telescopic pieces of the other second supporting units are connected with the second basic piece of the previous second supporting unit.
As a preferable scheme of the novel triangular area supporting device of the invention, wherein: the first vertical telescopic piece is provided with at least one, and the top ends of the first vertical telescopic pieces are connected with the lower end of the first top supporting piece; the second vertical telescopic piece is provided with at least one, and the top all with the lower extreme of second shoring piece is connected.
As a preferable scheme of the novel triangular area supporting device of the invention, wherein: a fifth telescopic piece is arranged inside the first base piece and the first top supporting piece and can be stretched towards the left side of the first supporting unit; and the second base part and the second top supporting part are internally provided with sixth telescopic parts, and the sixth telescopic parts can extend and retract towards the left side of the second supporting unit.
The invention has the advantages that the supporting mode of combining the top supporting piece and the side supporting piece is arranged, so that the supporting strength is enhanced; the third supporting piece and the fourth supporting piece are adopted to support the side face of the coal mine, so that the safety is higher; the telescopic plates capable of stretching towards the front end and the rear end simultaneously are adopted, so that the supporting area is larger.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a diagram of a hydraulic support retracting scenario in example 1.
Fig. 2 is a structural view of the new triangular space supporting apparatus of example 1.
Fig. 3 is a view showing a structure of a first supporting unit of the new triangular space supporting apparatus of example 2.
Fig. 4 is another perspective view of the first supporting unit of the new triangular space supporting apparatus of example 2.
Fig. 5 is a view showing a construction of a second supporting unit of the new triangular space supporting apparatus of example 2.
Fig. 6 is another perspective view of the second supporting unit of the new triangular space supporting apparatus of example 2.
Fig. 7a to 7b are structural change diagrams of alternate traveling processes of the new-type triangular space timbering apparatus of example 2.
Fig. 8a to 8c are structural change diagrams of alternate traveling processes of the new triangular space timbering apparatus of example 3.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
In coal mine production, after the fully mechanized coal face (stope face) is finished, along with the forward progress of coal mining work, the hydraulic supports and other equipment arranged on the fully mechanized coal face need to be withdrawn in sequence. In the process of removing the hydraulic supports one by one, a triangular vacant area needing to be supported circularly is formed between the end head of the working face and the (next) hydraulic support to be removed, and the triangular vacant area is called a triangular area for short. The area is a place where accidents of withdrawing the hydraulic support are frequent due to lack of support. Therefore, in the process of withdrawing the hydraulic supports one by one, temporary jacking and supporting are needed to be carried out on the coal mine roof in the triangular area, and roof disasters are prevented.
Example 1
Referring to fig. 1 and 2, a first embodiment of the present invention provides a novel triangular region supporting device, which includes a first supporting unit 100 and a second supporting unit 200, the second supporting unit 200 is disposed at a front end of the first supporting unit 100, the first supporting unit 100 and the second supporting unit 200 can respectively perform respective jacking motion and walking motion, and the triangular region supporting device can advance on the premise of continuously jacking a coal mine roof through intermittent rotation and cooperation therebetween.
In order to facilitate the subsequent structural description, the three-dimensional space where the triangular region supporting device is located is defined to have three orthogonal directions, namely longitudinal direction, transverse direction and vertical direction. Wherein, the horizontal direction of the forward and backward movement of the supporting structure unit 100 and the second supporting unit 200 is longitudinal; the other horizontal direction vertical to the longitudinal direction is a transverse direction; the vertical direction is a vertical direction, and front in this specification means a direction standing in a longitudinal direction on the first supporting unit 100 facing the second supporting unit 200, and rear means a direction opposite to the front in the longitudinal direction, and left means a direction facing forward, and left-hand side, and right means a direction facing forward, and right-hand side.
Only one of the first supporting unit 100 and the second supporting unit 200 may be provided, and the second supporting unit 200 is located right in front of the first supporting unit 100.
Specifically, the first supporting unit 100 includes a first vertical telescopic member 101, a first top supporting member 102 and a first base member 103, which are vertically disposed, and are respectively connected to the top end and the bottom end of the first vertical telescopic member 101, and a first side supporting member 104 hinged to the first top supporting member 102. The second supporting unit 200 is arranged at the front end of the first supporting unit 100, and comprises a second vertical telescopic part 201, a second top supporting part 202 and a second base part 203 which are respectively connected with the top end and the bottom end of the second vertical telescopic part 201, and a second side supporting part 204 hinged with the second top supporting part 202, the second side supporting part 204 is arranged at the right end of the second supporting unit 100, the lengths of the first vertical telescopic part 101 and the second vertical telescopic part 201 can be extended or shortened, the extending direction is longitudinal, the first vertical telescopic part can be a hydraulic cylinder, the first telescopic hydraulic cylinder is multi-stage, the first top supporting part 102 and the second triangular supporting part 202 are used for jacking the bottom surface of the coal mine roof in the area, the first top supporting part 102 and the second triangular supporting part 202 can be plate-shaped, block-shaped or strip-shaped, the upper ends of the first vertical telescopic part 101 and the second vertical telescopic part 201 are defined as telescopic ends, the first top supporting part 102 is arranged at the top of the telescopic end, the second top support 202 is arranged on the top of the telescopic end of the second vertical telescopic part 201, and can move up and down under the pushing of the first vertical telescopic part 101 and the second vertical telescopic part 201 respectively to jack up or separate from the roof of the coal mine, the first base part 103 and the second base part 203 are in direct contact with the ground to support the upper structures of the first supporting unit 100 and the first supporting unit 100 respectively, the shapes of the first supporting unit 100 and the second supporting unit are not specially specified, the first supporting unit 100 can be a block or other structural forms capable of supporting and fixing, the first side support 104 is arranged on the rear end of the first top support 102, the first supporting unit 100 can be more stable, the first supporting unit 100 is the support at the rearmost part of the coal mine, so that the rear part can collapse when the first supporting unit 100 moves forwards, the first side support 104 can support the collapse part when the rear part collapses, the first supporting unit 100 is also protected from being buried, the second side support 204 is provided at the right end of the second top support 202, which makes the second supporting unit 200 more stable, and the coal mine is mined from the right side of the second supporting unit 200, so that the right mining portion may collapse, and the second side support 204 is provided to support the collapsed portion when the right side thereof collapses, and also to protect the second supporting unit 200 from being buried.
Preferably, the first vertical extensible member 101 is provided with at least one first vertical extensible member 101 which is provided in the invention and is provided with two first vertical extensible members 101, the top ends of the first vertical extensible members are connected with the lower end of the first top support member 102, and the second vertical extensible member 201 is provided with at least one second vertical extensible member 201 which is provided in the invention and is provided with two second vertical extensible members 201, and the top ends of the second vertical extensible members are connected with the lower end of the second top support member 203.
Based on the above, it is defined that, in the initial state, the first supporting unit 100 is at a certain distance from the second supporting unit 200, at this time, the second supporting member 202 jacks up, falls down the first supporting member 102, and controls the first supporting unit 100 to travel forward by a distance which is smaller than the distance between the first supporting unit 100 and the second supporting unit 200 in the initial state, after the first supporting unit 100 travels by a distance, the first supporting member 102 is jacked up, the second supporting member 202 is lowered, and then the second supporting unit 200 is controlled to travel forward by a distance … … in a circulating manner, so that the triangular area supporting device can be jacked up and advanced alternately by the first supporting unit 100 and the second supporting unit 200, and the triangular area supporting device can be ensured to travel forward on the premise of continuously jacking up the roof of the coal mine, and vacant positions formed after the hydraulic supports are retracted are filled up.
Example 2
Referring to fig. 2 to 7, a second embodiment of the present invention is different from the first embodiment in that: also included are telescoping plates 202a, third side strut 106, fourth side strut 206, horizontal strut 203a, and fifth strut 103 a. In the above embodiment, the novel triangular region supporting device includes a first supporting unit 100 and a second supporting unit 200, the second supporting unit 200 is disposed at the front end of the first supporting unit 100, the first supporting unit 100 and the second supporting unit 200 can respectively perform respective jacking actions and walking actions, and the triangular region supporting device can also advance on the premise of continuously jacking the coal mine roof through intermittent rotation and cooperation between the two supporting units.
Only one of the first supporting unit 100 and the second supporting unit 200 may be provided, and the second supporting unit 200 is located right in front of the first supporting unit 100.
Specifically, the first supporting unit 100 includes a first vertical telescopic member 101, a first top supporting member 102 and a first base member 103, which are vertically disposed, and are respectively connected to the top end and the bottom end of the first vertical telescopic member 101, and a first side supporting member 104 hinged to the first top supporting member 102. The second supporting unit 200 is arranged at the front end of the first supporting unit 100, and comprises a second vertical telescopic part 201, a second top supporting part 202 and a second base part 203 which are respectively connected with the top end and the bottom end of the second vertical telescopic part 201, and a second side supporting part 204 hinged with the second top supporting part 202, the second side supporting part 204 is arranged at the right end of the second supporting unit 100, the lengths of the first vertical telescopic part 101 and the second vertical telescopic part 201 can be extended or shortened, the extending direction is longitudinal, the first vertical telescopic part can be a hydraulic cylinder, the first telescopic hydraulic cylinder is multi-stage, the first top supporting part 102 and the second triangular supporting part 202 are used for jacking the bottom surface of the coal mine roof in the area, the first top supporting part 102 and the second triangular supporting part 202 can be plate-shaped, block-shaped or strip-shaped, the upper ends of the first vertical telescopic part 101 and the second vertical telescopic part 201 are defined as telescopic ends, the first top supporting part 102 is arranged at the top of the telescopic end, the second top support 202 is arranged on the top of the telescopic end of the second vertical telescopic part 201, and can move up and down under the pushing of the first vertical telescopic part 101 and the second vertical telescopic part 201 respectively to jack up or separate from the roof of the coal mine, the first base part 103 and the second base part 203 are in direct contact with the ground to support the upper structures of the first supporting unit 100 and the first supporting unit 100 respectively, the shapes of the first supporting unit 100 and the second supporting unit are not specially specified, the first supporting unit 100 can be a block or other structural forms capable of supporting and fixing, the first side support 104 is arranged on the rear end of the first top support 102, the first supporting unit 100 can be more stable, the first supporting unit 100 is the support at the rearmost part of the coal mine, so that the rear part can collapse when the first supporting unit 100 moves forwards, the first side support 104 can support the collapse part when the rear part collapses, the first supporting unit 100 is also protected from being buried, the second side support 204 is provided at the right end of the second top support 202, which makes the second supporting unit 200 more stable, and the coal mine is mined from the right side of the second supporting unit 200, so that the right mining portion may collapse, and the second side support 204 is provided to support the collapsed portion when the right side thereof collapses, and also to protect the second supporting unit 200 from being buried.
Preferably, the first vertical extensible member 101 is provided with at least one first vertical extensible member 101 which is provided in the invention and is provided with two first vertical extensible members 101, the top ends of the first vertical extensible members are connected with the lower end of the first top support member 102, and the second vertical extensible member 201 is provided with at least one second vertical extensible member 201 which is provided in the invention and is provided with two second vertical extensible members 201, and the top ends of the second vertical extensible members are connected with the lower end of the second top support member 203.
The first side supporting member 104 and the second side supporting member 204 may be configured in a plate shape, the first side supporting member 104 and the first base member 103 are connected by two first connecting rods 105 that do not cross each other, two ends of the first connecting rods 105 are respectively hinged with the first side supporting member 104 and the first base member 103 to form a variable geometry system, the second side supporting member 204 and the second base member 203 are connected by two second connecting rods 205 that do not cross each other, and two ends of the second connecting rods 205 are respectively hinged with the second side supporting member 204 and the second base member 203 to form a variable geometry system.
Further, the second top support 202 is internally provided with a telescopic plate 202a capable of longitudinally extending and contracting, and the telescopic plate 202a has three telescopic modes: the front part only extends forwards or only extends backwards or extends forwards and backwards simultaneously, and the specific extending mode is selected according to the situation when in use. The second top support 202 has a slot for engaging with the retractable plate 202a, and the retractable plate 202a is inserted into the slot with two ends exposed. The expansion plate 202a is used for increasing the length of the second supporting piece 203 and the contact area with the coal mine roof, and improving the supporting capacity.
The first top support 102 and the second top support 202 are respectively hinged with a third side support 106 and a fourth side support 206, the third side support 106 comprises a third telescopic part 106a hinged at the bottom end of the first top support 102 and a first support 106b hinged at the right side of the first top support 102, the third telescopic part 106a is hinged with the first support 106b, the third telescopic part 106a can drive the first support 106b to rotate around the hinged part of the first support 106b and the first top support 102, the fourth side support 206 comprises a fourth telescopic part 206a hinged at the bottom end of the second top support 202 and a second support 206b hinged at the right side of the second top support 202, the fourth telescopic part 206a is hinged with the second support 206b, the fourth telescopic part 206a can drive the second support 206b to rotate around the hinged part of the second support 206b and the second top support 202, the third side support 106 and the fourth side support 206 support supports the side of the coal mine, the supporting device has the effects of increasing the contact area with a coal mine roof and improving the supporting capability.
Further, a horizontal expansion piece 203a is arranged inside the second base piece 203, the horizontal expansion piece 203a is connected with the first base piece 103, and the horizontal expansion piece 203a can expand and contract longitudinally.
The first base part 103 and the first top support part 102 are internally provided with a fifth telescopic part 103a, the fifth telescopic part 103a can extend and retract towards the left side of the first supporting unit 100, the second base part 203 and the second top support part 202 are internally provided with a sixth telescopic part 203b, the sixth telescopic part 203b can extend and retract towards the left side of the second supporting unit 200, the fifth telescopic part 103a and the sixth telescopic part 203b can be hydraulic cylinders, and the preferential telescopic hydraulic cylinders are multi-stage and are used for abutting the telescopic parts of the fifth telescopic part 103a and the sixth telescopic part 203b against a hydraulic support on the left side of the triangular area supporting device when the supporting unit is transversely displaced, so that the supporting unit is reset.
Based on the above, it is defined that in the initial state, the first supporting unit 100 is spaced from the second supporting unit 200, and the second supporting member 202 is lifted up, the first supporting member 102 is dropped, and controls the horizontal expansion piece 203a to pull the first supporting unit 100 to move forward for a distance which is smaller than the distance between the first supporting unit 100 and the second supporting unit 200 in the initial state, and after the first supporting unit 100 moves for a distance, the first supporting piece 102 is jacked up, and the second top support 202 is dropped, and then the horizontal telescopic member 203a is controlled to push the second supporting unit 200 to move forward for a distance … … so as to cycle and reciprocate, the first supporting unit 100 and the second supporting unit 200 can be alternatively jacked and advanced, the triangular region supporting device can be ensured to advance forwards on the premise of continuously jacking the coal mine roof, and vacant positions formed after the hydraulic supports are completely filled.
Example 3
Referring to fig. 8a to 8c, a third embodiment of the present invention, which is different from the first two embodiments, is: the second supporting units 200 may be provided with one or more sets, preferably two sets according to the present invention, and when two or more sets are provided, they are longitudinally arranged in parallel with the first supporting unit 100, and the horizontal extensible members 203a of the remaining second supporting units 200 are connected to the second base member 203 of the previous second supporting unit 200 except for the second supporting unit 200 adjacent to the first supporting unit 100.
When the second supporting units 200 are provided with two or more than 2 groups, the control mode that the first supporting units 100 and the second supporting units 200 alternately advance and the first supporting units 100 and the second supporting units 200 sequentially fall, advance and jack up in turn is as follows:
the first supporting piece 102 and the plurality of second supporting pieces 202 simultaneously jack up the roof of the coal mine, and the second supporting units 200 are named as a No. 1 second supporting unit 200, a No. 2 second supporting unit 200, a No. 3 second supporting unit 200 … … according to the distance between the first supporting unit 100, and the smallest distance is a No. 1 second supporting unit 200.
When the user needs to alternately travel, the user can firstly control the first supporting piece 102 to fall down, and control the horizontal telescopic piece 203a of the No. 1 second supporting unit 200 to pull the first supporting unit 100 to travel forwards for a distance, wherein the distance is smaller than the distance between the first supporting unit 100 and the No. 1 second supporting unit 200 in the initial state, and after the first supporting unit 100 travels for a distance, the user jacks up the first supporting piece 102.
And then, a second jacking piece 202 of the No. 1 second supporting unit 200 is dropped, then the horizontal telescopic piece 203a of the No. 2 second supporting unit 200 is controlled to pull the No. 1 second supporting unit 200 to move forwards for a certain distance, the horizontal telescopic piece 203a of the No. 1 second supporting unit 200 can push the No. 1 second supporting unit 200 to move forwards during pulling, and can also only extend without pushing force, then the second jacking piece 202 is jacked, then the second jacking piece 202 … … of the No. 2 second supporting unit 200 is dropped, and the first supporting unit 100 and the plurality of second supporting units 200 can alternatively jack up and move forwards, so that the triangular area supporting device can also move forwards on the premise of continuously jacking the roof of the coal mine, and the vacant positions formed after the hydraulic supports are retracted are filled up.
It should be noted that the structures of the first supporting unit 100 and the plurality of second supporting units 200 are the same as those in embodiment 2, and the description thereof is omitted in this embodiment.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a novel triangular space is strutted device which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the first supporting unit (100) comprises a first vertical telescopic piece (101) which is vertically arranged, a first top supporting piece (102) and a first base piece (103) which are respectively connected with the top end and the bottom end of the first vertical telescopic piece (101), and a first side supporting piece (104) which is connected with the first top supporting piece (102), wherein the first side supporting piece (104) is arranged at the rear end of the first supporting unit (100); and the number of the first and second groups,
the second supporting unit (200) is arranged at the front end of the first supporting unit (100), and comprises a vertically arranged second vertical telescopic piece (201), a second supporting piece (202) and a second base piece (203) which are respectively connected with the top end and the bottom end of the second vertical telescopic piece (201), and a second side supporting piece (204) connected with the second supporting piece (202), wherein the second side supporting piece (204) is arranged on the side edge of the second supporting unit (100).
2. A novel triangular support device according to claim 1, characterized in that: the first side supporting piece (104) and the first base piece (103) are connected through two first connecting rods (105) which are not crossed with each other, and two ends of each first connecting rod (105) are respectively hinged with the first side supporting piece (104) and the first base piece (103) to form a geometric variable system.
3. A novel triangular support device according to claim 2, characterized in that: the second side supporting piece (204) and the second base piece (203) are connected through two second connecting rods (205) which are not crossed with each other, and two ends of each second connecting rod (205) are respectively hinged with the second side supporting piece (204) and the second base piece (203) to form a geometric variable system.
4. A novel triangular space supporting device as claimed in any one of claims 1-3, wherein: the second top support piece (202) is internally provided with a telescopic plate (202a) capable of stretching and retracting along the longitudinal direction, and the telescopic plate (202a) can stretch and retract towards the front end and/or the rear end of the second top support piece (202).
5. A novel triangular support device according to claim 4, characterized in that: the first top support (102) and the second top support (202) are respectively hinged with a third side support (106) and a fourth side support (206), the third side support (106) comprises a third telescopic piece (106a) hinged at the bottom end of the first top support (102) and a first support (106b) hinged at the right side of the first top support (102), and the third telescopic piece (106a) is hinged with the first support (106 b).
6. A novel triangular support device according to claim 5, characterized in that: the fourth supporting piece (206) comprises a fourth telescopic piece (206a) hinged at the bottom end of the second top supporting piece (202), and a second supporting piece (206b) hinged at the right side of the second top supporting piece (202), wherein the fourth telescopic piece (206a) is hinged with the second supporting piece (206 b).
7. A novel triangular support device according to claim 6, characterized in that: the second base part (203) is internally provided with a horizontal telescopic part (203a), the horizontal telescopic part (203a) is connected with the first base part (103), and the horizontal telescopic part (203a) can be longitudinally stretched.
8. A novel triangular support device according to claim 7, wherein: the second supporting unit (200) is provided with at least one group;
when the supporting device is provided with two or more groups, the supporting devices are longitudinally arranged in parallel with the first supporting unit (100), and except for the second supporting unit (200) adjacent to the first supporting unit (100), the horizontal telescopic pieces (203a) of the other second supporting units (200) are connected with the second base piece (203) of the previous second supporting unit (200).
9. A novel triangular space supporting device as claimed in any one of claims 5-8, wherein: at least one first vertical telescopic piece (101) is arranged, and the top ends of the first vertical telescopic pieces are connected with the lower end of the first top support piece (102);
the second vertical telescopic piece (201) is provided with at least one, and the top end is connected with the lower end of the second top support piece (203).
10. A novel triangular support device according to claim 9, wherein: a fifth telescopic piece (103a) is arranged inside each of the first base piece (103) and the first top support piece (102), and the fifth telescopic piece (103a) can be stretched towards the left side of the first supporting unit (100);
and sixth telescopic pieces (203b) are arranged inside the second base piece (203) and the second top support piece (202), and the sixth telescopic pieces (203b) can be stretched towards the left side of the second supporting unit (200).
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| CN202010343720.3A CN111365052A (en) | 2020-04-27 | 2020-04-27 | Novel triangular space supporting device |
| CN202110244894.9A CN112796812A (en) | 2020-04-27 | 2020-04-27 | Novel triangular space supporting unit |
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| CN202010343720.3A CN111365052A (en) | 2020-04-27 | 2020-04-27 | Novel triangular space supporting device |
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| CN202110244894.9A Division CN112796812A (en) | 2020-04-27 | 2020-04-27 | Novel triangular space supporting unit |
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| CN111365052A true CN111365052A (en) | 2020-07-03 |
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| CN202110244894.9A Pending CN112796812A (en) | 2020-04-27 | 2020-04-27 | Novel triangular space supporting unit |
| CN202010343720.3A Pending CN111365052A (en) | 2020-04-27 | 2020-04-27 | Novel triangular space supporting device |
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Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3236214C1 (en) * | 1982-09-30 | 1983-09-29 | Saarbergwerke AG, 6600 Saarbrücken | Method of withdrawing a self-advancing support system, in particular a shield support system |
| SU1700256A1 (en) * | 1989-07-14 | 1991-12-23 | Подмосковный Научно-Исследовательский И Проектно-Конструкторский Угольный Институт | Method of dismantling powered support |
| CN2876332Y (en) * | 2005-12-19 | 2007-03-07 | 中国神华能源股份有限公司 | Supporter special for withdrawing |
| CN102011603B (en) * | 2010-10-30 | 2012-08-22 | 煤炭科学研究总院太原研究院 | Coal mine underground remote control triangle protective shield |
| CN102444416B (en) * | 2011-12-24 | 2014-07-16 | 中国煤炭科工集团太原研究院 | Fully mechanized mining face hydraulic support beam-type retracting device |
| CN202882972U (en) * | 2012-09-15 | 2013-04-17 | 中国煤炭科工集团太原研究院 | Along-groove stepping split type advanced hydraulic support frame group |
| CN205422757U (en) * | 2016-03-16 | 2016-08-03 | 郑州四维矿业机械有限责任公司 | Face -end support's back timber subassembly and face -end support |
| CN207568639U (en) * | 2017-09-14 | 2018-07-03 | 中国神华能源股份有限公司 | Trigonum shielding apparatus |
| CN207568638U (en) * | 2017-12-20 | 2018-07-03 | 天地科技股份有限公司 | A kind of fully-mechanized mining working withdraws frame |
| CN109538258A (en) * | 2019-01-23 | 2019-03-29 | 南京石诚井巷装备有限责任公司 | A kind of trigonum suspension device |
| CN212614810U (en) * | 2020-04-27 | 2021-02-26 | 南京石诚井巷装备有限责任公司 | Novel triangular space supporting device |
-
2020
- 2020-04-27 CN CN202110244894.9A patent/CN112796812A/en active Pending
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Effective date of registration: 20210311 Address after: 211100 No.3 rungu Road, Guli industrial concentration area, Guli street, Jiangning District, Nanjing City, Jiangsu Province Applicant after: NANJING SHICHENG SHAFT AND TUNNEL EQUIPMENT Co.,Ltd. Applicant after: ANHUI HENGYUAN COAL-ELECTRICITY GROUP Co.,Ltd. Address before: No.3 rungu Road, industrial concentration area, Guli street, Jiangning District, Nanjing City, Jiangsu Province, 211164 Applicant before: NANJING SHICHENG SHAFT AND TUNNEL EQUIPMENT Co.,Ltd. |