Carrying device for crossheading support

Abstract

The utility model provides a crossheading support lifting device. The crossheading support lifting device comprises a crossheading support; the output end of the telescopic stand column is installed at the bottom of the crossheading support, and the telescopic stand column extends in the vertical direction; the top of the bottom plate is connected with the fixed end of the telescopic stand column; the two ends of the rocker arm assembly are movably arranged with the crossheading support and the bottom plate correspondingly, so that the rocker arm assembly is driven to move through movement of the crossheading support; the lifting frame assembly is used for being arranged between the rocker arm assembly and the crossheading support, so that when the crossheading support descends, the lifting frame assembly disperses local stress, a top beam of the crossheading support, the rocker arm assembly and the bottom plate are made to be lifted through the telescopic stand column, the crossheading support is smoothly pushed, and the problem that the bottom plate is often damaged by pushing of the crossheading support during coal mining is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mine machinery, concretely relates to a crossheading support lifting device. BACKGROUND

[0002] The crossheading support is a facility for supporting the roof of the coal mine roadway, and its purpose is to prevent the roof from collapsing and ensure the safety and smoothness of the roadway. However, due to the heavy weight of the fully mechanized mining equipment, a large pressure is exerted on the ground during operation. When coal mining is carried out, the crossheading support is often pushed and moved, which may damage the floor.

[0003] Therefore, the prior art needs to be further developed. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at overcoming the above technical defects, and provides a crossheading support lifting device to solve the technical problem that the crossheading support is often pushed and moved, which may damage the floor in the related art.

[0005] To achieve the above technical purpose, the utility model adopts the following technical scheme: a crossheading support lifting device is provided, which comprises: a crossheading support; a telescopic stand, the output end of the telescopic stand is installed at the bottom of the crossheading support, and the telescopic stand extends in the vertical direction; a floor, the top of the floor is connected with the fixed end of the telescopic stand; a rocker assembly, the two ends of the rocker assembly are movably arranged with the crossheading support and the floor respectively, so that the rocker assembly is driven to move by the movement of the crossheading support; and a lifting assembly, the lifting assembly is arranged between the rocker assembly and the crossheading support, so that the lifting assembly disperses the local stress when the crossheading support descends.

[0006] Further, the lifting assembly comprises: a support rod, the support rod is arranged between the crossheading support and the rocker assembly, and the two ends of the support rod can be respectively abutted with at least part of the crossheading support and the rocker assembly when the support rod is located between the crossheading support and the rocker assembly; and a handheld piece, the handheld piece extends in the vertical direction of the extension direction of the support rod, and the handheld piece is connected with the support rod.

[0007] Further, the lifting assembly further comprises: a placing plate, the placing plate is arranged on the side of the rocker assembly close to the crossheading support, and at least part of the placing plate protrudes from the rocker assembly, and the placing plate is used for placing the support rod; when the support rod is located between the crossheading support and the rocker assembly, the end of the support rod away from the crossheading support is abutted with the placing plate.

[0008] Further, the lifting assembly further comprises: a reinforcing block, the reinforcing block is installed between the placing plate and the rocker assembly.

[0009] Further, the crossheading support lifting device further comprises a fixing assembly for fixing the lifting assembly; the fixing assembly comprises a fixing member, both ends of the fixing member are fixed on the rocker assembly, and the fixing member extends along a preset track; a first fixing ring movably sleeved on the fixing member; a second fixing ring movably sleeved on the hand-held member, the second fixing ring is arranged at intervals with the first fixing ring; and a flexible connecting member, both ends of the flexible connecting member are connected with the first fixing ring and the second fixing ring respectively.

[0010] Further, the fixing assembly comprises a fixing member, both ends of the fixing member are fixed on the rocker assembly, and the fixing member extends along a preset track; a locking member arranged at an end of the hand-held member away from the support rod, the locking member is hung in cooperation with the fixing member to fix the lifting assembly on the fixing member through the locking member; wherein the locking member has a locking state and an unlocking state, when the lifting assembly needs to be fixed on the fixing member, the locking member is in the locking state after being hung on the fixing member; when the lifting assembly needs to be separated from the fixing member, the locking member is in the unlocking state to separate the locking member from the fixing member.

[0011] Further, the locking member comprises a first curved portion, a vertical portion and a second curved portion connected in sequence, the first curved portion and the second curved portion are arranged at intervals, and an end of the first curved portion away from the vertical portion is arranged towards an end of the second curved portion away from the vertical portion; an end of the hand-held member away from the support rod is installed on a convex surface of the second curved portion; a second connecting rod, the second connecting rod is arranged at an end of the second curved portion away from the vertical portion, and the second connecting rod is swingably arranged relative to the second curved portion; wherein the second connecting rod has a connecting state connected with the first curved portion and a separation state separated from the first curved portion, when the lifting assembly is fixed on the fixing member, the second connecting rod is in the connecting state; when the lifting assembly needs to be separated from the fixing member, the second connecting rod is in the separation state to have a gap between the second connecting rod and the first curved portion, so as to facilitate the removal of the lifting assembly from the fixing member.

[0012] Further, the locking member further comprises a locking nut, an end of the first curved portion away from the vertical portion and an end of the second connecting rod close to the first curved portion are respectively provided with threads, and the locking nut is used for threaded connection with the threads on the first curved portion and the threads on the second connecting rod; wherein when the second connecting rod is in the connecting state, the locking nut is threaded connected with the threads on the first curved portion and the threads on the second connecting rod respectively, when the second connecting rod is in the separation state, the locking nut is threaded connected with the threads on the second connecting rod, and the locking nut is separated from the first curved portion.

[0013] Further, the rocker assembly comprises: a first rocker and a second rocker, the first rocker is rotatably arranged relative to the second rocker, one end of the first rocker away from the second rocker is rotatably arranged at the bottom of the trough support, the placing plate and the reinforcing block are arranged on the side of the first rocker close to the trough support, and the fixing piece is arranged on the side of the first rocker close to the placing plate; and one end of the second rocker away from the first rocker is rotatably arranged relative to the bottom plate.

[0014] Beneficial effects:

[0015] 1. The telescopic column is used for lifting the top beam of the trough support and the rocker assembly, so that the bottom plate is lifted and the trough support is smoothly pushed, thereby solving the problem that the bottom plate is often damaged when the trough support is pushed during coal mining.

[0016] 2. The support rod is arranged between the trough support and the rocker assembly during the descending process of the trough support, so that the instantaneous stress generated when the trough support descends is dispersed, stress concentration is prevented at the connection position of the rocker assembly and the trough support, and the stress is transmitted to the bottom plate, so that the bottom plate is damaged and the subsequent process is affected.

[0017] 3. The placing plate is arranged during the placing process of the support rod, so that the stability of the support rod is improved, and the support rod is prevented from being separated from the rocker assembly during the descending process of the trough support. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the overall structure schematic diagram of the trough support lifting device adopted by the embodiment of the utility model;

[0019] Figure 2 is the structure schematic diagram of the rocker assembly of the trough support lifting device adopted by the embodiment of the utility model;

[0020] Figure 3 is the lifting assembly structure schematic diagram of the trough support lifting device adopted by the embodiment of the utility model.

[0021] Among them, the above-mentioned drawings include the following signs:

[0022] 1, the trough support; 2, the telescopic column; 3, the bottom plate; 4, the support rod; 5, the handheld piece; 6, the placing plate; 7, the reinforcing block; 8, the fixing piece; 9, the first fixed ring; 10, the second fixed ring; 11, the locking space; 13, the first curved part; 14, the vertical part; 15, the second curved part; 16, the second connecting rod; 17, the locking nut; 18, the first rocker; 19, the second rocker. DETAILED DESCRIPTION

[0023] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0024] According to the embodiment of the utility model, a kind of crossheading support lifting device is provided, please refer to Figures 1 to 3 , comprising: crossheading support 1;Telescopic column 2, the output end of telescopic column 2 is installed at the bottom of crossheading support 1, telescopic column 2 extends along vertical direction;Bottom plate 3, the top of bottom plate 3 is connected with the fixed end of telescopic column 2;Rocker assembly, two ends of rocker assembly are movably arranged with crossheading support 1 and bottom plate 3 respectively, to drive rocker assembly to move by the movement of crossheading support 1;Lifting frame assembly, lifting frame assembly is used to be arranged between rocker assembly and crossheading support 1, to disperse local stress when crossheading support 1 is lowered.

[0025] By adopting the above technical scheme, in the process of moving frame, the top beam of crossheading support 1 and rocker assembly are lifted by telescopic column 2, the bottom plate 3 is lifted, and the crossheading support 1 is smoothly pushed, which solves the problem that the bottom plate 3 is often damaged when the crossheading support 1 is pushed during coal mining.

[0026] Please refer to Figure 3 , the lifting frame assembly comprises: support rod 4, support rod 4 is used to be arranged between crossheading support 1 and rocker assembly, when support rod 4 is located between crossheading support 1 and rocker assembly, two ends of support rod 4 can be respectively abutted with at least part of crossheading support 1 and rocker assembly;Hand-held piece 5, hand-held piece 5 extends in the vertical direction of the extension direction of support rod 4, and hand-held piece 5 is connected with support rod 4.

[0027] By adopting the above technical scheme, by the design of support rod 4, in the process of lowering crossheading support 1, support rod 4 is abutted between crossheading support 1 and rocker assembly to disperse the instantaneous stress generated when crossheading support 1 is lowered, to prevent stress concentration at the connection between rocker assembly and crossheading support 1, so as to be transmitted to bottom plate 3, to cause damage to bottom plate 3, and affect the subsequent process.

[0028] Please refer to the drawing, the lifting frame assembly further comprises: placing plate 6, placing plate 6 is arranged on the side of rocker assembly close to crossheading support 1, at least part of placing plate 6 protrudes from rocker assembly, and placing plate 6 is used for placing support rod 4;When support rod 4 is located between crossheading support 1 and rocker assembly, one end of support rod 4 away from crossheading support 1 is abutted with placing plate 6.

[0029] By adopting the above technical scheme, through the design of the placing plate 6, the stability of the support rod 4 can be increased during the placing and supporting process of the support rod 4, and the support rod 4 is prevented from being separated from the rocker assembly during the lowering process of the crossheading support 1.

[0030] Please refer to Figure 3 The bracket assembly further comprises a reinforcing block 7 installed between the placing plate 6 and the rocker assembly.

[0031] By adopting the above technical scheme, through the design of the reinforcing block 7, the structural strength of the placing plate 6 is facilitated to be increased.

[0032] Please refer to Figure 1 and Figure 2 The crossheading support bracket lifting device further comprises a fixing assembly for fixing the bracket assembly; the fixing assembly comprises a fixing member 8, both ends of the fixing member 8 are fixed on the rocker assembly, and the fixing member 8 extends along a preset track; a first fixing ring 9 movably sleeved on the fixing member 8; a second fixing ring 10 movably sleeved on the handheld member 5, the second fixing ring 10 is arranged at intervals with the first fixing ring 9; and a flexible connecting member, both ends of the flexible connecting member are connected with the first fixing ring 9 and the second fixing ring 10 respectively.

[0033] By adopting the above technical scheme, through the design of the first fixing ring 9, the flexible connecting member and the second fixing ring 10, the bracket assembly is connected with the fixing member 8 through the first fixing ring 9, the flexible connecting member and the second fixing ring 10, so as to prevent the bracket assembly from being lost.

[0034] Please refer to Figure 2 The fixing assembly comprises a fixing member 8, both ends of the fixing member 8 are fixed on the rocker assembly, and the fixing member 8 extends along a preset track; a locking member arranged at an end of the handheld member 5 away from the support rod 4, the locking member is hung and matched with the fixing member 8, so as to fix the bracket assembly on the fixing member 8 through the locking member; wherein the locking member has a locking state and an unlocking state, when the bracket assembly needs to be fixed on the fixing member 8, the locking member is in the locking state after being hung on the fixing member 8; when the bracket assembly needs to be separated from the fixing member 8, the locking member is in the unlocking state, so that the locking member is separated from the fixing member 8.

[0035] By adopting the above technical scheme, through the design of the locking member, when the bracket assembly is not used, the handheld member 5 is installed on the rocker assembly through the locking assembly, so as to prevent the handheld member 5 from being separated from the rocker assembly due to vibration.

[0036] Please refer to Figure 3, the locking piece comprises: a first curved portion 13, a vertical portion 14 and a second curved portion 15 connected in sequence, the first curved portion 13 and the second curved portion 15 are arranged at intervals, and one end of the first curved portion 13 away from the vertical portion 14 is arranged towards one end of the second curved portion 15 away from the vertical portion 14; the handheld piece 5 is installed on the convex surface of the second curved portion 15 away from the support rod 4; a second connecting rod 16, the second connecting rod 16 is arranged at one end of the second curved portion 15 away from the vertical portion 14, and the second connecting rod 16 is arranged swingably relative to the second curved portion 15; wherein the second connecting rod 16 has a connected state of being connected with the first curved portion 13 and a separated state of being separated from the first curved portion 13, when the bracket assembly is fixed on the fixing piece 8, the second connecting rod 16 is in the connected state; when the bracket assembly needs to be separated from the fixing piece 8, the second connecting rod 16 is in the separated state, so that there is a gap between the second connecting rod 16 and the first curved portion 13, so as to facilitate the removal of the bracket assembly from the fixing piece 8.

[0037] By adopting the above technical scheme, the mounting and dismounting of the handheld piece 5 and the fixing piece 8 are realized through the swing of the second connecting rod 16, which facilitates workers to quickly take the bracket assembly for use.

[0038] Please refer to Figure 3 , the locking piece further comprises: a locking nut 17, one end of the first curved portion 13 away from the vertical portion 14 and one end of the second connecting rod 16 close to the first curved portion 13 are respectively provided with threads, and the locking nut 17 is used for being threadedly connected with the threads on the first curved portion 13 and the threads on the second connecting rod 16; wherein when the second connecting rod 16 is in the connected state, the locking nut 17 is threadedly connected with the threads on the first curved portion 13 and the threads on the second connecting rod 16 respectively, when the second connecting rod 16 is in the separated state, the locking nut 17 is threadedly connected with the threads on the second connecting rod 16, and the locking nut 17 is separated from the first curved portion 13.

[0039] By adopting the above technical scheme, through the design of the locking nut 17, the second connecting rod 16 is more stably fixed with the fixing piece 8, and the second connecting rod 16 and the first curved portion 13 are prevented from being separated from the fixing piece 8.

[0040] Please refer to Figure 1 , the rocker assembly comprises: a first rocker 18 and a second rocker 19, the first rocker 18 is arranged rotatably relative to the second rocker 19, one end of the first rocker 18 away from the second rocker 19 is arranged rotatably on the bottom of the trough support 1, a placing plate 6 and a reinforcing block 7 are arranged on the side of the first rocker 18 close to the trough support 1, and the fixing piece 8 is arranged on the side of the first rocker 18 close to the placing plate 6; one end of the second rocker 19 away from the first rocker 18 is arranged rotatably relative to the bottom plate 3.

[0041] By adopting the technical scheme, the height and angle of the crossheading support 1 can be finely adjusted to adapt to different geological conditions and mining requirements through the design of the rocker assembly.

[0042] Working principle:

[0043] When the crossheading support 1 needs to be pushed, the locking nut 17 is screwed to move to the second connecting rod 16 at this time, the locking state of the locking piece is changed to the unlocked state, then the second connecting rod 16 is pressed, the locking piece is taken off from the fixing piece 8, then the supporting rod 4 is placed on the placing plate 6 by manually taking the hand-held piece 5, and the top of the crossheading support 1 is supported.

[0044] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0045] Alternatively, the specific examples in the present embodiment can refer to the examples described in the above embodiments, and the present embodiment will not be described here.

[0046] The above-mentioned serial numbers of the embodiments of the present application are only for description, and do not represent the advantages and disadvantages of the embodiments.

[0047] In the above-described embodiments of the present application, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0048] The above-mentioned only is the preferred embodiment of the present application, it should be pointed out, for the ordinary skilled in the art, without departing from the principle of the present application, can make a number of improvements and refinements, these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A roadway support lifting device, characterized in that, include: Groove support (1); Telescopic column (2), the output end of which is installed at the bottom of the groove support (1), and the telescopic column (2) extends in the vertical direction; The base plate (3) is connected at its top to the fixed end of the telescopic column (2); A rocker arm assembly, the two ends of which are movably connected to the groove support (1) and the base plate (3) respectively, so that the rocker arm assembly can be moved by the movement of the groove support (1); A lifting frame assembly is disposed between the rocker arm assembly and the roadway support (1) to disperse local stress when the roadway support (1) descends; the lifting frame assembly includes: Support rod (4), the support rod (4) is used to be disposed between the groove support (1) and the rocker arm assembly. When the support rod (4) is located between the groove support (1) and the rocker arm assembly, both ends of the support rod (4) can respectively abut against at least a portion of the groove support (1) and the rocker arm assembly. Handheld component (5) extends in a direction perpendicular to the extension direction of the support rod (4) and is connected to the support rod (4).

2. The roadway support lifting device according to claim 1, characterized in that, The lifting frame assembly also includes: A placement plate (6) is disposed on the side of the rocker arm assembly near the groove support (1). The placement plate (6) protrudes at least part of the rocker arm assembly and is used to place the support rod (4). When the support rod (4) is located between the groove support (1) and the rocker arm assembly, the end of the support rod (4) away from the groove support (1) abuts against the placement plate (6).

3. The roadway support lifting device according to claim 2, characterized in that, The lifting frame assembly also includes: A reinforcing block (7) is installed between the placement plate (6) and the rocker arm assembly.

4. The roadway support lifting device according to claim 1, characterized in that, The roadway support lifting device further includes: a fixing component, which is used to fix the lifting component; the fixing component includes: Fixing member (8), the two ends of the fixing member (8) are respectively fixed on the rocker arm assembly, and the fixing member (8) extends along a preset trajectory; The first fixing ring (9) is movably sleeved on the fixing member (8); The second fixing ring (10) is movably sleeved on the handpiece (5), and the second fixing ring (10) is spaced apart from the first fixing ring (9); A flexible connector, the two ends of which are respectively connected to the first fixing ring (9) and the second fixing ring (10).

5. The roadway support lifting device according to claim 4, characterized in that, The fixing component includes: A locking element is provided at one end of the handheld part (5) away from the support rod (4). The locking element is engaged with the fixing element (8) to fix the lifting frame assembly on the fixing element (8) by means of the locking element. The locking member has a locked state and an unlocked state. When the lifting frame assembly needs to be fixed on the fixing member (8), the locking member is in the locked state after the locking member is hung on the fixing member (8). When the lifting frame assembly needs to be separated from the fixing member (8), the locking member is in the unlocked state, so that the locking member is separated from the fixing member (8).

6. The roadway support lifting device according to claim 5, characterized in that, The locking element includes: A first curved portion (13), a vertical portion (14), and a second curved portion (15) are connected in sequence. The first curved portion (13) and the second curved portion (15) are arranged at intervals. The end of the first curved portion (13) away from the vertical portion (14) is arranged towards the end of the second curved portion (15) away from the vertical portion (14). The end of the hand-held member (5) away from the support rod (4) is mounted on the convex surface of the second curved portion (15). The second connecting rod (16) is located away from the end of the second curved portion (15) away from the vertical portion (14), and the second connecting rod (16) is swayably arranged relative to the second curved portion (15); The second connecting rod (16) has a connected state connected to the first curved portion (13) and a separated state separated from the first curved portion (13). When the lifting frame assembly is fixed to the fixing member (8), the second connecting rod (16) is in the connected state; when the lifting frame assembly needs to be separated from the fixing member (8), the second connecting rod (16) is in the separated state, so that there is a gap between the second connecting rod (16) and the first curved portion (13), so that the lifting frame assembly can be removed from the fixing member (8).

7. The roadway support lifting device according to claim 6, characterized in that, The locking component further includes a locking nut (17), wherein the end of the first bent portion (13) away from the vertical portion (14) and the end of the second connecting rod (16) near the first bent portion (13) are respectively provided with threads, and the locking nut (17) is used to connect with the threads on the first bent portion (13) and the threads on the second connecting rod (16). When the second connecting rod (16) is in the connected state, the locking nut (17) is threadedly connected to the threads on the first bent portion (13) and the second connecting rod (16) respectively. When the second connecting rod (16) is in the separated state, the locking nut (17) is threadedly connected to the threads on the second connecting rod (16) and the locking nut (17) is separated from the first bent portion (13).

8. The roadway support lifting device according to claim 5, characterized in that, The rocker arm assembly includes: a first rocker arm (18) and a second rocker arm (19). The first rocker arm (18) is rotatably disposed relative to the second rocker arm (19). The end of the first rocker arm (18) away from the second rocker arm (19) is rotatably disposed at the bottom of the channel support (1). A placement plate (6) and a reinforcing block (7) are disposed on the side of the first rocker arm (18) near the channel support (1). The fixing member (8) is disposed on the side of the first rocker arm (18) near the placement plate (6). The end of the second rocker arm (19) away from the first rocker arm (18) is rotatably disposed relative to the base plate (3).

Images