CN219387935U - Portable underground upright post quick dismounting device - Google Patents
Portable underground upright post quick dismounting device Download PDFInfo
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- CN219387935U CN219387935U CN202320415697.3U CN202320415697U CN219387935U CN 219387935 U CN219387935 U CN 219387935U CN 202320415697 U CN202320415697 U CN 202320415697U CN 219387935 U CN219387935 U CN 219387935U
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- 230000007246 mechanism Effects 0.000 claims abstract description 58
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 10
- 239000000178 monomer Substances 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 7
- 230000006872 improvement Effects 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 230000008030 elimination Effects 0.000 abstract description 3
- 238000003379 elimination reaction Methods 0.000 abstract description 3
- 238000011161 development Methods 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 9
- 239000003245 coal Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model relates to a portable underground upright post quick dismounting device which comprises a dismounting mechanism, an auxiliary mechanism and a quick dismounting connecting mechanism, wherein the dismounting mechanism comprises a plurality of connecting blocks, a straight connecting rod, a diagonal draw bar, a jack and a ratchet wheel assembly; the parallel space of installation jack is reserved to the centre formation of two upper and lower diagonal draw bars, and the afterbody and the connecting block of jack are connected through quick detach coupling mechanism, and the jack cylinder passes the parallel space that upper and lower diagonal draw bars formed, and the free end of jack push rod passes through the pin roll mechanism pin joint on ratchet subassembly, and four jacks fixed connection in proper order forms annular extending structure, and the ratchet subassembly is pulled in the telescoping simultaneously through four jacks and is realized screwing or dismantling of uide bushing. The utility model has the advantages of ingenious design, simple structure, detachability, convenience for underground maintenance operation, high working efficiency, quick elimination of potential safety hazards, safety guarantee of underground operation, improvement of economic benefits of enterprises, and good market prospect and development space for the prior art.
Description
Technical Field
The utility model relates to the technical field of auxiliary equipment for upright post guide sleeves of mining hydraulic supports, in particular to a portable underground upright post quick dismounting device.
Background
With the popularization and use of comprehensive mechanized mining processes, the hydraulic support becomes an indispensable mechanical device of an underground coal mining working face, a line of defense is built for the safety production of coal mine workers, however, a main supporting component of the hydraulic support, namely an upright column, is used for a period of time, for example, a commonly used threaded upright column guide sleeve is difficult to unscrew under the action of pressure, corrosion and the like, great inconvenience is brought to underground maintenance, particularly a large-cylinder-diameter upright column, a lifting maintenance method is only adopted, the problem that small or emergency treatment is needed such as static sealing liquid leakage of the guide sleeve is not applicable, the production efficiency is affected, and potential safety hazards are caused to equipment and related operators.
How to design a design benefit, simple structure can dismantle, and the maintenance operation of being convenient for improves work efficiency in the pit gets rid of the potential safety hazard fast, guarantees the operation safety in the pit simultaneously, improves the problem that needs to solve at present of the portable quick dismounting device of stand in the pit of economic benefits of enterprise.
Disclosure of Invention
In order to solve the difficult problem that the existing threaded upright post guide sleeve is difficult to unscrew under the actions of pressure, corrosion and the like by manpower, and potential adverse effects caused by the difficult problem are as follows, for example: the utility model provides a portable rapid disassembly and assembly device for an underground upright post, which has the advantages of ingenious design, simple structure and detachability, can realize underground maintenance operation, improve the working efficiency, rapidly remove the potential safety hazard, simultaneously ensure the safety of the underground operation and improve the economic benefit of enterprises.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the portable underground upright post quick dismounting device comprises a dismounting mechanism, an auxiliary mechanism and a quick-dismounting connecting mechanism, wherein the dismounting mechanism comprises a plurality of connecting blocks, straight connecting rods, diagonal rods, jacks and ratchet wheel assemblies which are sleeved on the end faces of guide sleeves, the number of the connecting blocks, the straight connecting rods and the jacks is four, the connecting blocks are of L-shaped right-angle structures with equal side lengths, three grooves in the horizontal direction are respectively formed in two sides of each connecting block, through holes are formed in the upper end and the lower end of each groove, reserved holes are formed in the two ends of each straight connecting rod, and the two ends of each straight connecting rod are fixed with two adjacent L-shaped connecting blocks through the quick-dismounting connecting mechanism fixed in each reserved hole to form a square rigid supporting frame; the number of the diagonal draw bars is four, each diagonal draw bar is one up and down, one end of each diagonal draw bar is fixed on a near-end through hole on one side of a connecting block through a quick-release connecting mechanism, and the other end of each diagonal draw bar is fixed on a far-end through hole on the other side of an adjacent connecting block through a quick-release connecting mechanism, so that a right-angled triangle stable supporting structure is formed; the parallel space of installation jack is reserved to the centre formation of two upper and lower diagonal draw bars, and the afterbody and the connecting block of jack are connected through quick detach coupling mechanism, and the jack cylinder passes the parallel space that upper and lower diagonal draw bars formed, and the free end of jack push rod passes through the pin roll mechanism pin joint on ratchet subassembly, and four jacks fixed connection in proper order forms annular extending structure, and the ratchet subassembly is pulled in the telescoping simultaneously through four jacks and is realized screwing or dismantling of uide bushing.
As a further optimization scheme of the portable underground upright post quick dismounting device, the ratchet wheel assembly comprises two semicircular ratchet wheel monomers in half, a connecting plate and fixing bolts, preformed holes for installing the fixing bolts are formed in the end parts of the two ratchet wheel monomers and the connecting plate, the two semicircular ratchet wheel monomers in half are fixedly connected through the fixing bolts to form a hollow annular structure body, and the hollow part is in an octagonal shape matched with the end face of the guide sleeve.
As a further optimization scheme of the portable underground upright post quick dismounting device, the pushing direction of the jack push rod is circumscribed with the circular motion track line of the ratchet assembly, so that the maximum torque output is ensured.
As a further optimization scheme of the portable underground upright post quick dismounting device, the installation position of the diagonal draw bar is parallel to the pushing axis of the jack push rod, so that the overall stability of the mechanism is improved.
As the further optimization scheme of above-mentioned portable stand quick assembly disassembly device in pit, assist mechanism includes guide ring, inside lining body and direction connecting rod, and the direction connecting rod is four altogether, and the upper and lower both ends of direction connecting rod pass through the bolt fastening respectively on guide ring and connecting block, form the side with the dismouting mechanism of lower part and be isosceles trapezoid's structure body, the guide ring is two semicircle annular structures, connects two guide rings into a torus through the bolt, and the inside lining body sets up in the guide ring inboard, and the inside lining body adopts flexible material, and lubricating oil is paintd on the surface to avoid sliding in-process to cause the damage to the uide bushing piston rod.
As a further optimization scheme of the portable underground upright post quick dismounting device, the four jacks are connected in parallel through the synchronous valves, so that the four jacks can synchronously stretch out and draw back.
As a further optimization scheme of the portable underground upright post quick dismounting device, the quick dismounting connecting mechanism comprises a high-strength pin shaft, a U-shaped clamping seat and a U-shaped clamp.
As a further optimization scheme of the portable underground upright post quick dismounting device, a reset spring is arranged in the space of each upper inclined pull rod and each lower inclined pull rod, one end of the reset spring is fixed on the outer wall of a cylinder barrel of the jack, and the other end of the reset spring is fixed in the middle position of the adjacent straight connecting rod, so that the jack push rod is automatically meshed with the ratchet groove when being retracted.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model comprises a dismounting mechanism, an auxiliary mechanism and a quick-dismounting connecting mechanism, and creatively provides a portable quick-dismounting device for the underground upright post, which uses the expansion and contraction of four pushing shafts of a jack in the same direction to control a ratchet wheel assembly to screw in or screw out the guide sleeve according to the shape, the piston rod position and the underground actual operation environment of a screw-type upright post guide sleeve commonly used in production, so that the dismounting is convenient; the diagonal draw bar is parallel to the pushing axis, so that the overall strength and stability of the mechanism are improved; meanwhile, the cable-stayed rod plays a role in supporting, guiding and protecting the safety of operators on swinging in the pushing and shrinking processes of the jack. The auxiliary mechanism enables the circle center of the rotary motion of the dismounting mechanism to coincide with the axis of the piston rod, and simultaneously ensures that the dismounting mechanism can slide in parallel along the piston rod according to the screwing-in/out of the guide sleeve in the working process. The utility model realizes the purposes of ingenious design, simple structure, detachability, convenience for underground maintenance operation, improvement of working efficiency, quick elimination of potential safety hazards, guarantee of underground operation safety and improvement of economic benefits of enterprises.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is a schematic side view of the present utility model;
FIG. 4 is a schematic view in partial cross-section of the present utility model;
FIG. 5 is a schematic side view of the present utility model in use;
FIG. 6 is a perspective view of the present utility model in use;
FIG. 7 is a schematic side view in semi-section of the present utility model in use;
FIG. 8 is an enlarged partial schematic side view in half section of the present utility model in use;
FIG. 9 is a schematic view of the bottom construction of the present utility model;
FIG. 10 is a schematic side cross-sectional view of the quick release attachment mechanism E-E of the present utility model;
the marks in the figure: 1. the device comprises a connecting block, 2, a straight connecting rod, 3, a diagonal draw bar, 4, a jack, 5, a ratchet assembly, 501, a ratchet monomer, 502, a connecting plate, 6, a guide ring, 7, an inner lining body, 8, a guide connecting rod, 9, a return spring, 10, a high-strength pin shaft, 11, a U-shaped clamp, 12, a U-shaped clamp seat, 13, a guide sleeve, 14 and a stand column piston rod.
Detailed Description
The following describes the embodiments of the present utility model in further detail with reference to the drawings.
As shown in fig. 1 and 2, fig. 1 is a schematic diagram of a three-dimensional structure of the utility model, fig. 2 is a schematic diagram of a overlook structure of the utility model, a portable down-hole stand column quick dismounting device comprises a dismounting mechanism, an auxiliary mechanism and a quick dismounting connection mechanism, the dismounting mechanism comprises a plurality of connecting blocks 1, straight connecting rods 2, diagonal connecting rods 3, jacks 4 and ratchet assemblies 5 which are sleeved on end faces of guide sleeves, the number of the connecting blocks 1, the straight connecting rods 2 and the jacks 4 is four, the connecting blocks 1 are in an L-shaped right-angle structure with equal side length, three grooves in horizontal directions are respectively formed on two sides of the connecting blocks 1, through holes are formed at the upper end and the lower end of each groove, reserved holes are also formed at two ends of each straight connecting rod 2, and two ends of each straight connecting rod 2 are fixed with two adjacent L-shaped connecting blocks 1 through the quick dismounting connection mechanism fixed in the reserved holes, so that a square rigid support frame is formed.
As shown in fig. 2, 3 and 4, fig. 3 is a schematic side view structure of the present utility model, fig. 4 is a schematic partial cross-sectional view of the present utility model, the number of diagonal draw bars 3 is four, each group is one up and down, one end of each diagonal draw bar 3 is fixed on a proximal preformed hole of one side of the connecting block 1 through a quick-release connecting mechanism, and the other end is fixed on a preformed hole of a distal side of an adjacent connecting block 1 through a quick-release connecting mechanism, so as to form a right triangle stable supporting structure; the parallel space of installation jack 4 is reserved to the centre formation of two upper and lower diagonal draw bars 3, and the afterbody and the connecting block 1 of jack 4 are connected through quick detach coupling mechanism, and the jack cylinder passes the parallel space that upper and lower diagonal draw bars 3 formed, and the free end of jack 4 push rod passes through the pin roll mechanism pin joint on ratchet subassembly 5, and four jack 4 are fixed connection in proper order forms annular extending structure, and the ratchet subassembly 5 is pulled in the flexible stretching simultaneously through four jack 4 realizes screwing or dismantling of uide bushing.
As shown in fig. 2, fig. 2 is a schematic top view structure of the present utility model, where the ratchet assembly 5 includes two half semicircular ratchet units 501, a connection plate 502 and a fixing bolt, the ends of the two ratchet units 501 and the connection plate 502 are both provided with preformed holes for installing the fixing bolt, the two half semicircular ratchet units 501 are fixedly connected by the fixing bolt to form a hollow annular structure, and the hollow portion is similar to an octagon matched with the end surface shape of the guide sleeve; and a reset spring is arranged in the space of each upper inclined pull rod and each lower inclined pull rod, one end of the reset spring is fixed on the outer wall of the cylinder barrel of the jack 4, and the other end of the reset spring is fixed at the middle position of the adjacent straight connecting rod, so that the jack push rod is automatically meshed with the ratchet groove when being retracted, and meanwhile, the direction of the jack is convenient to adjust.
The pushing direction of the push rod of the jack 4 is circumscribed with the circular motion track line of the ratchet assembly 5, so that the maximum torque output is ensured; the four jacks 4 are arranged in parallel through synchronous valves so as to enable the four jacks 4 to synchronously stretch out and draw back; the installation position of the diagonal draw bar 3 is parallel to the pushing axis of the push rod of the jack 4, so that the overall stability of the mechanism is improved.
As the further optimization scheme of above-mentioned portable stand quick assembly disassembly device in pit, assist mechanism includes guide ring 6, inside lining body 7 and direction connecting rod 8, and direction connecting rod 8 is four altogether, and the upper and lower both ends of direction connecting rod 8 pass through the bolt fastening respectively on guide ring 6 and connecting block 1, form the structure body that the side is isosceles trapezoid with the dismouting mechanism of lower part, guide ring 6 is the ring shape structure, and inside lining body 7 sets up in guide ring 6 inboard, and inside lining body 7 adopts flexible material, and lubricating oil is paintd on the surface to avoid sliding in-process to cause the damage to the uide bushing piston rod.
As a further optimization scheme of the portable underground upright post quick dismounting device, the quick dismounting connecting mechanism comprises a high-strength pin shaft 10, a U-shaped clamp 11 and a U-shaped clamp seat 12.
In actual operation, as shown in fig. 5 and 6, fig. 5 is a schematic side view of the use state of the present utility model, and fig. 6 is a schematic perspective view of the use state of the present utility model, and the working process of the present utility model is described as follows: firstly, selecting a ratchet group 5 with proper size according to the shape and the size of a used threaded upright column guide sleeve; then the utility model is arranged at the preset position of the screw-type upright post guide sleeve from top to bottom; the ratchet plate is parallel to the end face of the guide sleeve and is prevented from falling on the step table of the guide sleeve. Four jacks in the dismounting mechanism are connected in parallel through a high-pressure rubber pipe and a synchronous valve (purchasing piece: one-way four or one-way two), so that the 4 jacks synchronously act. The auxiliary mechanism (the guide ring 6, the inner lining body 7 and the guide connecting rod 8) takes the piston rod as a slide rail, so that the rotation center formed by the whole dismounting mechanism is overlapped with the axis of the piston rod. The whole disassembly and assembly process is that the disassembly and assembly mechanism can slide up and down along the upright post piston rod along with the unscrewing (or screwing-in) of the guide sleeve. The front end of the jack push rod is a pushing pin shaft, and in order to ensure the maximum torque output, the pushing axis is tangent with the ratchet wheel circular motion track line in the design process. To increase the overall strength and stability of the mechanism, the diagonal draw bars 3 are parallel to the pushing axis. Meanwhile, the diagonal draw bar 3 plays roles in supporting, guiding and protecting personnel safety for swinging in the pushing and shrinking process of the jack 4.
In practical application, for the quick installation, the carrying and the use of maintainer of being convenient for, this mechanism mostly adopts detachable mode to connect, simultaneously fully considers the operation environment in the pit, and the connection tip all adopts U type card fixed mode to guarantee unified model, it is convenient to replace.
The utility model has the advantages of ingenious design, simple structure, detachability, full consideration of the underground operation environment of the coal mine, ingenious utilization of the space structures of the upright posts, the guide sleeves and the pistons, safe and stable power, short transmission distance, convenience for underground maintenance operation, improvement of the working efficiency, quick elimination of potential safety hazards, guarantee of underground operation safety and improvement of the economic benefit of enterprises, and solves the problem that the screw-type upright post guide sleeve (under the action of pressure, rust and the like after a period of use and depending on manpower) is difficult to unscrew in the conventional underground coal mine production, so that the screw-type upright post guide sleeve has good market prospect and development space for the prior art.
While the preferred embodiments and examples of the present utility model have been described in detail with reference to the accompanying drawings, the present utility model is not limited to the above-described embodiments and examples, and various changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (8)
1. Portable stand quick assembly disassembly device in pit, its characterized in that: the quick-release type hydraulic lifting device comprises a dismounting mechanism, an auxiliary mechanism and a quick-release connecting mechanism, wherein the dismounting mechanism comprises a plurality of connecting blocks (1), straight connecting rods (2), diagonal rods (3), jacks (4) and ratchet assemblies (5) which are sleeved on the end faces of guide sleeves, the number of the connecting blocks (1), the number of the straight connecting rods (2) and the number of the jacks (4) are four, the connecting blocks (1) are of L-shaped right-angle structures with equal side lengths, grooves in three horizontal directions are formed in two sides of the connecting blocks (1), through holes are formed in the upper end and the lower end of each groove, reserved holes are formed in the two ends of each straight connecting rod (2), and the two ends of each straight connecting rod (2) are fixed with the two adjacent L-shaped connecting blocks (1) through the quick-release connecting mechanisms which are fixed in the reserved holes, so that square rigid supporting frames are formed; the number of the diagonal draw bars (3) is four, each diagonal draw bar is one up and down, one end of each diagonal draw bar (3) is fixed on a near-end through hole of one side of the connecting block (1) through a quick-release connecting mechanism, and the other end of each diagonal draw bar is fixed on a far-end through hole of one side of the adjacent connecting block (1) through a quick-release connecting mechanism, so that a right-angled triangle stable supporting structure is formed; the parallel space of installation jack (4) is reserved in the middle of upper and lower two diagonal draw bars (3), the afterbody of jack (4) is connected through quick detach coupling mechanism with connecting block (1), the parallel space that diagonal draw bars formed about jack (4) cylinder passed, the free end of jack (4) push rod passes through the pin roll mechanism pin joint on the ratchet subassembly, four jack (4) fixed connection in proper order forms annular extending structure, pull ratchet subassembly (5) realization uide bushing's screwing or dismantlement simultaneously through four jack (4).
2. The portable downhole vertical column quick assembly disassembly device according to claim 1, wherein: the ratchet assembly (5) comprises two semicircular ratchet monomers (501), a connecting plate (502) and fixing bolts, preformed holes for installing the fixing bolts are formed in the end parts of the two ratchet monomers (501) and the connecting plate (502), the two semicircular ratchet monomers (501) are fixedly connected through the fixing bolts to form a hollow annular structure body, and the hollow part is of an octagon-like shape matched with the end face of the guide sleeve.
3. The portable downhole vertical column quick assembly disassembly device according to claim 2, wherein: the pushing direction of the push rod of the jack (4) is circumscribed with the circular motion track line of the ratchet assembly (5) so as to ensure maximum torque output.
4. The portable downhole vertical column quick assembly disassembly device according to claim 1, wherein: the installation position of the diagonal draw bar (3) is parallel to the pushing axis of the push rod of the jack (4) so as to increase the overall stability of the mechanism.
5. The portable downhole vertical column quick assembly disassembly device according to claim 1, wherein: the auxiliary mechanism comprises four guide rings (6), an inner lining body (7) and guide connecting rods (8), wherein the guide connecting rods (8) are respectively fixed on the guide rings (6) and the connecting blocks (1) through bolts at the upper end and the lower end of each guide connecting rod (8), the guide rings (6) are of circular ring structures, the inner lining body (7) is arranged on the inner side of the guide rings (6), the inner lining body (7) is made of flexible materials, and lubricating oil is smeared on the surfaces of the inner lining body (7) so as to prevent damage to a guide sleeve piston rod in the sliding process.
6. The portable downhole vertical column quick assembly disassembly device according to claim 1, wherein: the four jacks (4) are connected in parallel through synchronous valves, so that the four jacks (4) can synchronously stretch out and draw back.
7. The portable downhole vertical column quick assembly disassembly device according to claim 1, wherein: the quick-dismantling connecting mechanism comprises a high-strength pin shaft (10), a U-shaped clamp (11) and a U-shaped clamp seat (12).
8. The portable downhole vertical column quick assembly disassembly device according to claim 1, wherein: and a reset spring (9) is arranged in the space of each upper inclined pull rod (3) and each lower inclined pull rod (3), one end of the reset spring (9) is fixed on the outer wall of the cylinder barrel of the jack (4), and the other end of the reset spring is fixed in the middle position of the adjacent straight connecting rod (2) so that the jack push rod is automatically meshed with the ratchet groove when being retracted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320415697.3U CN219387935U (en) | 2023-03-08 | 2023-03-08 | Portable underground upright post quick dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320415697.3U CN219387935U (en) | 2023-03-08 | 2023-03-08 | Portable underground upright post quick dismounting device |
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| CN219387935U true CN219387935U (en) | 2023-07-21 |
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| CN202320415697.3U Active CN219387935U (en) | 2023-03-08 | 2023-03-08 | Portable underground upright post quick dismounting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116241294A (en) * | 2023-03-08 | 2023-06-09 | 平顶山平煤机煤矿机械装备有限公司 | Portable downhole column quick disassembly device |
-
2023
- 2023-03-08 CN CN202320415697.3U patent/CN219387935U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116241294A (en) * | 2023-03-08 | 2023-06-09 | 平顶山平煤机煤矿机械装备有限公司 | Portable downhole column quick disassembly device |
| CN116241294B (en) * | 2023-03-08 | 2026-01-27 | 平顶山平煤机煤矿机械装备有限公司 | Portable underground upright post quick dismounting device |
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