CN214790268U - Supporting device - Google Patents
Supporting device Download PDFInfo
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- CN214790268U CN214790268U CN202022610075.5U CN202022610075U CN214790268U CN 214790268 U CN214790268 U CN 214790268U CN 202022610075 U CN202022610075 U CN 202022610075U CN 214790268 U CN214790268 U CN 214790268U
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- supporting rod
- supporting seat
- height adjusting
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Abstract
The utility model provides a supporting device relates to colliery electromechanical maintenance support equipment technical field. The supporting device comprises a supporting seat, a base, a first height adjusting assembly and a synchronous transmission assembly, wherein the supporting seat is provided with a maintenance hole for allowing an arm of a user to freely extend in/out; an accommodating space for the body of the user to come in and go out is formed between the base and the supporting seat; the first height adjusting assembly comprises a first supporting cylinder and a first supporting rod, and the first supporting cylinder is in threaded connection with the first supporting rod; the synchronous transmission assembly is arranged on the base and is in transmission connection with each first supporting cylinder or each first supporting rod. The supporting device can realize stable support of the supporting seat, and the shaking condition is obviously reduced or even avoided; the contact surface of the upper end surface of the supporting seat and the coal mine electromechanical equipment is large, and the stress is uniform, so that the surface damage of the device to be supported can be reduced or even avoided.
Description
Technical Field
The utility model relates to a colliery electromechanical maintenance support equipment technical field specifically is a strutting arrangement.
Background
The coal mine machinery belongs to a large category of machinery, is special for coal mining, and is very difficult to maintain due to bottom end faults when the coal mine machinery is mechanically and electrically maintained.
The existing supporting device for repairing the coal mine electromechanical equipment is supported by a jack generally, but because the contact surface of the jack is required to be in a fixed shape, and because the supporting surface is too small, the surface of the supporting device is easy to damage in the supporting process, and because the coal mine electromechanical equipment is large, the coal mine electromechanical equipment is easy to shake in the supporting process of the jack, and the life safety of workers is threatened.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a supporting device is applied to the maintenance of colliery electromechanical device, can solve colliery electromechanical device maintenance in-process strutting arrangement (jack) and appear rocking technical problem easily.
In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:
the utility model provides a supporting device is applied to colliery electromechanical device's maintenance, and this supporting device includes:
the upper end surface of the supporting seat is a working surface and is provided with a maintenance hole for the arm of a user to freely extend in/out;
the base is positioned below the supporting seat, an accommodating space for a body of a user to come in and go out is formed between the base and the supporting seat, and the accommodating space is communicated with the maintenance hole;
the first height adjusting assemblies are at least provided with three groups and are positioned between the supporting seat and the base, each first height adjusting assembly comprises a first supporting cylinder and a first supporting rod, and the first supporting cylinders are in threaded sleeve connection with the first supporting rods; one of the first supporting cylinder and the first supporting rod is fixedly connected to the supporting seat, and the other one is rotatably connected to the base; and
and the synchronous transmission assembly is arranged on the base and is in transmission connection with each first supporting cylinder or each first supporting rod.
Furthermore, four groups of first height adjusting assemblies are arranged and respectively close to the corner positions of the base, the first supporting rods are fixedly connected to the supporting seats, and the first supporting cylinders are rotatably connected to the base;
the synchronous transmission assembly is in transmission connection with each first supporting rod.
Further, the first height adjustment assembly includes:
the motor is arranged on the base;
the driving shaft is rotatably connected to the base and is in transmission connection with the motor;
the driving gear is fixedly sleeved on the driving shaft;
the driven gear is meshed with the driving gear in a transmission way;
the driving worm gear is coaxial with the driven gear and is fixedly connected with the driven gear;
the worm is meshed with the driving worm wheel in a transmission way and is rotationally connected to the base; and
and the driven worm wheel is meshed with the worm and is in transmission connection with the worm, and is fixedly connected with the first supporting rod in a coaxial line mode.
Further, the driven worm gear is rotatably connected to the base;
and/or the driving gear and the driven gear are both bevel gears.
Furthermore, at least three groups of second height adjusting components are arranged between the supporting seat and the base;
the second height adjusting assembly mainly comprises an upper supporting rod, a lower supporting rod and a middle sleeve, wherein the upper end of the upper supporting rod is fixedly connected to the supporting seat, the middle sleeve is connected between the upper supporting rod and the lower supporting rod, and the lower supporting rod is fixedly connected to the base; and a limiting structure is arranged between the middle sleeve and the upper supporting rod and/or between the middle sleeve and the lower supporting rod so as to limit the relative positions of the upper supporting rod, the middle sleeve and the lower supporting rod.
Furthermore, the limiting structure comprises a limiting groove and a limiting block;
the limiting groove is provided with a vertical limiting groove and a plurality of transverse limiting grooves, and the transverse limiting grooves are communicated with the vertical limiting groove and are arranged on the middle sleeve; the limiting block is arranged on the upper supporting rod and the lower supporting rod.
Furthermore, the second height adjusting assemblies are provided with four groups which are respectively arranged close to the corner parts of the base.
Further, the device comprises at least three groups of third height adjusting components arranged below the base;
the third height adjusting assembly mainly comprises a bottom column and a chassis, the upper end of the bottom column is in threaded connection with the base, and the chassis is fixedly connected to the lower end of the bottom column.
Further, the device comprises at least three groups of roller assemblies which are arranged below the base;
the roller assembly mainly comprises a support connected to the lower portion of the base and a universal wheel pivoted to the support.
Further, the third height adjusting assembly and/or the roller assemblies are provided with four groups, and the four groups are respectively arranged close to the corner parts of the base.
The utility model discloses following beneficial effect has:
in the supporting device provided by the utility model, because the supporting seat for supporting the coal mine electromechanical equipment is provided with the maintenance hole for the arm of the user (maintenance personnel) to freely extend in/out, an accommodating space for the body of the user to come in and go out is arranged between the supporting seat and the base, at least three groups of first height adjusting components are arranged between the supporting seat and the base, the synchronous transmission components are in transmission connection with the first supporting cylinders/the first supporting rods of the first height adjusting components, thereby realizing synchronous relative movement (lifting/lowering) of the first supporting cylinder and the first supporting rod, further realizing stable movement (lifting/lowering) of the supporting seat, because the supporting seat is provided with at least three first height adjusting components for supporting the supporting seat, the stable support of the supporting seat can be realized, the shaking condition can be obviously reduced or even avoided in the supporting process, and a user can safely enter the accommodating space between the supporting seat and the base for operation; in addition, the upper end surface of the supporting seat is a working surface, so that the contact surface with coal mine electromechanical equipment is large, and the stress is uniform, so that the surface damage of the device can be reduced or even avoided as much as possible in the supporting process.
Drawings
Fig. 1 is a schematic overall structural diagram of a supporting device according to an embodiment of the present invention;
FIG. 2 is a schematic top cross-sectional view of the base of FIG. 1;
fig. 3 is a schematic view of a partial transmission structure of a synchronous transmission assembly in the supporting device according to the embodiment of the present invention.
In the figure: 1. a base; 2. a supporting seat; 3. a first support bar; 4. a first support cylinder; 5. a motor; 6. a lower support bar; 7. an intermediate sleeve; 8. an upper support rod; 9. a universal wheel; 10. a bottom pillar; 11. a chassis; 12. a limiting block; 13. a limiting groove; 14. a driven worm gear; 15. a drive shaft; 16. a driving gear; 17. a driven gear; 18. a worm; 19. a driven worm gear; 20. and supporting the shaft.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
The embodiment provides a supporting device, which is applied to the maintenance of coal mine electromechanical equipment, and as shown in fig. 1-3, the supporting device comprises: supporting seat 2, base 1, first height control subassembly and synchronous transmission subassembly.
As shown in fig. 1, in this embodiment, the upper end surface of the supporting base 2 is a working surface having a maintenance hole for allowing the arm of the user to freely extend into/out of the supporting base. The specific structure of the supporting seat 2 is a frame structure, and the working surface of the upper end surface is a horizontal plane.
As shown in fig. 1, in this embodiment, the base 1 is located below the supporting seat 2, an accommodating space for a body of a user to come in and go out is formed between the base 1 and the supporting seat 2, and the accommodating space is communicated with the maintenance hole, so that a maintenance worker can conveniently maintain the electromechanical device above the supporting seat 2 by using the accommodating space.
In this embodiment, four sets of first height adjusting assemblies are arranged and located between the supporting seat 2 and the base 1, each first height adjusting assembly comprises a first supporting cylinder 4 and a first supporting rod 3, and the first supporting cylinder 4 is in threaded sleeve connection with the first supporting rod 3; one of the first supporting cylinder 4 and the first supporting rod 3 is fixedly connected to the supporting seat 2, and the other one is rotatably connected to the base 1; the first supporting cylinder 4 and the first supporting rod 3 rotate relatively, so that the first supporting cylinder and the first supporting rod produce axial relative motion to realize telescopic motion, and therefore the supporting seat 2 is lifted.
In this embodiment, the synchronous transmission assemblies are disposed on the base 1 and are in transmission connection with the first support cylinders 4 or the first support rods 3. So set up, synchronous transmission subassembly can drive each first supporting cylinder 4 simultaneously or drive each first bracing piece 3 simultaneously and rotate to realize the synchronous relative axial motion of each first supporting cylinder 4 and first bracing piece 3, thereby realize the stable elevating movement of supporting seat 2.
In the supporting device provided by the embodiment, since the supporting seat for supporting the coal mine electromechanical equipment is provided with the maintenance hole for the arm of the user (maintenance personnel) to freely extend in/out, an accommodating space for the body of the user to come in and go out is arranged between the supporting seat and the base, at least three groups of first height adjusting components are arranged between the supporting seat and the base, the synchronous adjusting components are in transmission connection with the first supporting cylinders/the first supporting rods of the first height adjusting components, thereby realizing synchronous relative movement (lifting/lowering) of the first supporting cylinder and the first supporting rod, further realizing stable movement (lifting/lowering) of the supporting seat, because the supporting seat is provided with at least three first height adjusting components for supporting the supporting seat, the stable support of the supporting seat can be realized, the shaking condition can be obviously reduced or even avoided in the supporting process, and a user can safely enter the accommodating space between the supporting seat and the base for operation; in addition, the upper end surface of the supporting seat is a working surface, so that the contact surface with coal mine electromechanical equipment is large, and the stress is uniform, so that the surface damage of the device can be reduced or even avoided as much as possible in the supporting process.
It should be noted that, in other embodiments of the present application, as shown in fig. 1, three, five, six, seven, or more groups of the first height adjusting assemblies may also be arranged, and are respectively arranged near the corner position of the base 1, the first supporting rod 3 is fixedly connected to the supporting seat 2, and the first supporting cylinder 4 is rotatably connected to the base 1; the synchronous transmission component is in transmission connection with each first supporting rod 3. So set up, drive each first bracing piece 3 synchronous revolution when the synchronous drive subassembly to realize the synchronous upward or downward motion of each first supporting cylinder 4. The more the first height adjusting assembly is arranged, the more the supporting points of the supporting seat 2 are, the larger the borne gravity is, namely, the stronger the bearing capacity is, and the more uniform the stress of the supporting seat is, of course, because of the requirement of synchronism, the more complex the structure of the synchronous transmission assembly is, and the higher the requirement of processing precision is.
In this embodiment, specifically, as shown in fig. 2 and 3, the first height adjusting assembly includes: the motor 5, a driving shaft 15, a driving gear 16, a driven gear 17, a driving worm wheel 19, a worm 18 and a driven worm wheel 14, wherein the motor 5 is arranged on the base 1; the driving shaft 15 is rotationally connected with the base 1 and is in transmission connection with the motor 5; the driving gear 16 is fixedly sleeved on the driving shaft 15; the driven gear 17 is in meshed transmission connection with the driving gear 16; the driving worm wheel 19 and the driven gear 17 are coaxial and fixedly connected; the worm 18 is meshed with the driving worm wheel 19 for transmission and is rotationally connected with the base 1; the driven worm wheel 14 is engaged with the worm 18 and is fixedly connected with the first supporting rod coaxially. When the height of the supporting seat 2 is adjusted, the motor 5 works to drive the driving shaft 15 to rotate, the driving gear 16 is driven by the driving shaft 15 to rotate, the driven gear 17 is driven by the driving gear 16 to rotate, the driving worm wheel 19 which synchronously rotates with the driven gear 1 rotates, the worm 18 is driven by the driving worm wheel 19 to rotate, the worm 18 drives the driven worm wheel 14 to rotate, the driven worm wheel 14 further drives the first supporting rods 3 to rotate, so that the synchronous rotation in the same direction of the first supporting rods 3 is realized, and the synchronous ascending or descending movement of the first supporting cylinders 4 is realized, so that the stable ascending or descending of the supporting seat 2 is realized.
In the embodiment, the driven worm wheel 14 is rotatably connected to the base 1; specifically, as shown in fig. 3, the driven worm wheel 14 is fixedly connected to the supporting shaft 20, and the supporting shaft 20 is rotatably connected to the base 1, so as to stably support the driven worm wheel 14, thereby stably rotating the driven worm wheel 14.
In this embodiment, as shown in fig. 2 and 3, the driving gear 16 and the driven gear 17 are both bevel gears, that is, a driving bevel gear and a driven bevel gear, and the bevel gears can be flexibly arranged to achieve a transmission angle, and as shown in fig. 1, the motor 5 can be arranged in the middle of the side of the base 1, so as to facilitate maintenance, disassembly, and operation of the motor. Of course, in other embodiments of the present application, the driving gear 16 and the driven gear 17 may be provided with spur gears or other tooth profiles, which is not limited herein, and when the driving gear and the driven gear are spur gears, the motor may be provided at a position below the base, which is not shown in the drawings. The motor 5 is electrically connected with an external power supply through the control switch, so that the motor 5 is controlled, labor is saved, and the height deviation of the supporting plate seat in the lifting process can be avoided as much as possible.
Specifically, in this embodiment, as shown in fig. 2, in the synchronous transmission assembly, the driving shaft 15 is a long shaft, and both ends of the driving shaft are rotatably connected to both sides of the base 1 through bearings; the bevel gear sets are two groups of engaged driving bevel gears (driving gears) and driven bevel gears (driven gears), wherein the driving bevel gears are fixedly sleeved on the driving shaft 15, and the mounting directions of the two bevel gear sets are the same; the number of the worms 18 is two, the two ends of the worms are rotatably connected to the base and are vertically staggered with the driving shaft 15, the two driven bevel gears are positioned between the two worms, and a driving worm wheel which synchronously rotates with the driven bevel gears along the same axis is meshed with the middle part of the worm; the driven worm wheels which synchronously rotate along the same axis with the first supporting rod 3 are four in total, two of the driven worm wheels are respectively arranged close to two ends of one of the worms and meshed with the worm, and the other two driven worm wheels are respectively arranged close to two ends of the other worm and meshed with the worm. So set up, can set up driving shaft 15 in the middle part of base, driven worm wheel can be close to the corner position setting in the base symmetrically to realize the even and symmetry of position connection between each spare part of synchronous drive subassembly, thereby guarantee driven stationarity, further guarantee the stable lift of supporting seat.
In this embodiment, as shown in fig. 1, the height adjusting device includes four sets of second height adjusting components, and the second height adjusting components are disposed between the supporting base 2 and the base 1; the second height adjusting assembly mainly comprises an upper supporting rod 8, a lower supporting rod 6 and a middle sleeve 7, wherein the upper end of the upper supporting rod 8 is fixedly connected to the supporting seat 2, the middle sleeve 7 is connected between the upper supporting rod 8 and the lower supporting rod 6, and the lower supporting rod 6 is fixedly connected to the base 1; and a limiting structure is arranged between the middle sleeve 7 and the upper support rod 8 and/or the lower support rod 6 so as to limit the relative positions of the upper support rod 8, the middle sleeve 7 and the lower support rod 6. The setting of second height adjustment subassembly can support supporting seat 2 equally, so can further strengthen the support stability of supporting seat.
Specifically, in this embodiment, as shown in fig. 1, the limiting structure includes a limiting groove 13 and a limiting block 12; the limiting groove 13 is provided with a vertical limiting groove and a plurality of transverse limiting grooves, and the transverse limiting grooves are communicated with the vertical limiting groove and are arranged in the middle sleeve 7; the limiting block 12 is arranged on the upper support rod 8 and the lower support rod 6. When adjusting the height of supporting seat 2, rotate middle sleeve 7, make stopper 12 all be located vertical spacing inslot, so, when supporting seat 2 goes up and down, the stopper slides in vertical spacing inslot, after targetting in place the supporting seat adjustment, rotates middle sleeve 7 once more, makes the stopper slide to horizontal spacing inslot to bracing piece 8, middle sleeve 7 and lower support bar 6's location is gone up in the realization, and the realization is to the support of supporting seat 2.
It should be noted that, in other embodiments of the present application, three, five, six, seven or more sets of second height adjusting assemblies may be further provided, and are respectively provided near the corner of the base 1. The more the second height adjusting assembly is arranged, the more the supporting points of the supporting seat 2 are, the stronger the bearing capacity is, and the more uniform the stress of the supporting seat is, of course, because of the requirement of synchronism, the higher the requirement of the processing precision of the second height adjusting assembly is.
In this embodiment, as shown in fig. 1, the height adjusting device includes four sets of third height adjusting assemblies disposed below the base 1; the third height adjusting assembly mainly comprises a bottom column 10 and a chassis 11, wherein the upper end of the bottom column 10 is in threaded connection with the base 1, and the chassis 11 is fixedly connected to the lower end of the bottom column 10. In the use, can be according to the field conditions, adjust each chassis 11 for the interval between the base 1, realize the accurate adjustment to the supporting seat working face levelness.
In this embodiment, four sets of roller assemblies are included, all disposed below the base, and spaced apart from each other. Specifically, the roller assembly mainly comprises a support connected to the lower portion of the base 1 and a universal wheel 9 pivoted to the support. When the supporting device is in a use state, the universal wheels are not in contact with the ground, and the chassis is in contact with the ground, namely, the third height adjusting assembly supports the whole supporting device. When the supporting assembly is not used, the bottom column is rotated, the distance between the chassis and the base is adjusted, when the distance between the bottom column and the base is gradually reduced to a certain size, the universal wheels are made to contact the ground, the bottom column continues to be rotated until the chassis completely leaves the ground, at the moment, the whole supporting device is supported by the roller assembly, and the whole device can be pushed to a proper place. When the universal wheel is used again, the supporting device is pushed to the corresponding position, the bottom column rotates reversely, the gap between the chassis and the base is increased, the chassis is in contact with the ground, and the bottom column continues to rotate until the universal wheel leaves the ground. For example, when the supporting device is used, the height of the chassis 10 is lower than that of the universal wheels 9 by a quarter, and when the supporting device is not used, the height of the chassis 10 is higher than that of the universal wheels 9 by a third, so that the supporting device is supported.
It should be noted that, in other embodiments of the present application, the third height adjusting assemblies may be arranged into three, five, six, seven or more groups, the more the third height adjusting assemblies are arranged, the more the support points are, the stronger the bearing capacity is, the more uniform the stress is, and the third height adjusting assemblies are respectively arranged close to the corner portions of the base 1; the roller components can be provided with three groups, five groups, six groups, seven groups or more groups, the more the roller components are arranged, the more the supporting points are, the stronger the bearing capacity is, the more uniform the stress is, and the roller components are respectively arranged close to the corner parts of the base 1.
To sum up, this strutting arrangement's holding surface is the face, has increased the area of contact of strutting arrangement with the maintenance machine, has avoided the damage of strutting arrangement to the machine surface in the maintenance process to the maintenance hole has been seted up at the backup pad middle part, and after supporting the maintenance position stably, maintenance personal can be located the supporting seat below and maintain the machine, has guaranteed maintenance personal safety to a certain extent.
Among this strutting arrangement, realize the support to the supporting seat by first bracing piece and first supporting cylinder among the first altitude mixture control subassembly, drive the operation of synchronous drive subassembly through the motor, make each supporting cylinder synchronous upward movement in order to drive the stable lifting of supporting seat, accomplish the lifting of supporting seat to machine maintenance position and support the maintenance position after the lifting, the support to the supporting seat has equally been realized to the second altitude mixture control subassembly, the supporting seat has still improved whole strutting arrangement's stability when having improved the bearing capacity of supporting seat under dual support.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A support device, characterized in that, be applied to the maintenance of colliery electromechanical device, includes:
the upper end surface of the supporting seat (2) is a working surface and is provided with a maintenance hole for the arm of a user to freely extend in/out;
the base (1) is positioned below the supporting seat (2), an accommodating space for a user body to come in and go out is formed between the base (1) and the supporting seat (2), and the accommodating space is communicated with the maintenance hole;
the first height adjusting assemblies are at least provided with three groups and are positioned between the supporting seat (2) and the base (1), each first height adjusting assembly comprises a first supporting cylinder (4) and a first supporting rod (3), and the first supporting cylinders (4) are in threaded sleeve connection with the first supporting rods (3); one of the first supporting cylinder (4) and the first supporting rod (3) is fixedly connected to the supporting seat (2), and the other one is rotatably connected to the base (1); and
the synchronous transmission components are arranged on the base (1) and are in transmission connection with the first supporting cylinders (4)/the first supporting rods (3).
2. The supporting device according to claim 1, wherein the first height adjusting assembly is provided with four groups, each group is provided near a corner position of the base (1), the first supporting rod (3) is fixedly connected to the supporting base (2), and the first supporting cylinder (4) is rotatably connected to the base (1);
the synchronous transmission component is in transmission connection with each first supporting rod (3).
3. The support device of claim 2, wherein the first height adjustment assembly comprises:
a motor (5) mounted on the base (1);
the driving shaft (15) is rotatably connected to the base (1) and is in transmission connection with the motor (5);
the driving gear (16) is fixedly sleeved on the driving shaft (15);
the driven gear (17) is meshed with the driving gear (16) and is in transmission connection;
the driving worm gear (19) is coaxial with the driven gear (17) and is fixedly connected with the driven gear;
the worm (18) is in meshed transmission connection with the driving worm wheel (19) and is rotationally connected with the base (1); and
and the driven worm wheel (14) is meshed with the worm (18) in a transmission way and is fixedly connected with the first supporting rod in a coaxial line mode.
4. Support device according to claim 3, characterized in that said driven worm gear (14) is rotatably connected to said base (1);
and/or the driving gear (16) and the driven gear (17) are both bevel gears.
5. Support device according to any one of claims 1 to 4, characterized in that it comprises at least three sets of second height adjustment assemblies, arranged between said support base (2) and said base (1);
the second height adjusting assembly mainly comprises an upper supporting rod (8), a lower supporting rod (6) and a middle sleeve (7), wherein the upper end of the upper supporting rod (8) is fixedly connected to the supporting seat (2), the middle sleeve (7) is connected between the upper supporting rod (8) and the lower supporting rod (6), and the lower supporting rod (6) is fixedly connected to the base (1); a limiting structure is arranged between the middle sleeve (7) and the upper supporting rod (8) and/or the lower supporting rod (6) to limit the relative positions of the upper supporting rod (8), the middle sleeve (7) and the lower supporting rod (6).
6. The support device according to claim 5, wherein the limiting structure comprises a limiting groove (13) and a limiting block (12);
the limiting groove (13) is provided with a vertical limiting groove and a plurality of transverse limiting grooves, and the transverse limiting grooves are communicated with the vertical limiting groove and are arranged on the middle sleeve (7); the limiting block (12) is arranged on the upper supporting rod (8) and the lower supporting rod (6).
7. Support device according to claim 6, characterized in that said second height adjustment assembly is provided in four groups, each arranged close to a corner portion of said base (1).
8. Support device according to any one of claims 1-4, characterized by comprising at least three sets of third height adjustment assemblies, arranged below said base (1);
the third height adjusting assembly mainly comprises a bottom column (10) and a chassis (11), the upper end of the bottom column (10) is in threaded connection with the base (1), and the chassis (11) is fixedly connected with the lower end of the bottom column (10).
9. The support device of claim 8, comprising at least three sets of roller assemblies disposed below the base;
the roller component mainly comprises a support connected to the lower portion of the base (1) and a universal wheel (9) pivoted to the support.
10. Support device according to claim 9, characterized in that the third height adjustment assembly and/or the roller assemblies are provided in four groups, each arranged close to a corner of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022610075.5U CN214790268U (en) | 2020-11-12 | 2020-11-12 | Supporting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022610075.5U CN214790268U (en) | 2020-11-12 | 2020-11-12 | Supporting device |
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| CN214790268U true CN214790268U (en) | 2021-11-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114516022A (en) * | 2022-02-17 | 2022-05-20 | 李德胜 | Two-section type dismounting device for nut in long pipe |
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2020
- 2020-11-12 CN CN202022610075.5U patent/CN214790268U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114516022A (en) * | 2022-02-17 | 2022-05-20 | 李德胜 | Two-section type dismounting device for nut in long pipe |
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