CN208295413U

CN208295413U - A kind of adjustable main frame support device

Info

Publication number: CN208295413U
Application number: CN201820446127.XU
Authority: CN
Inventors: 姚思佳; 汪梅; 汪一梅; 兰志诚
Original assignee: Wenzhou Manxiwei Garment Co Ltd
Current assignee: Wenzhou Manxiwei Garment Co Ltd
Priority date: 2018-03-31
Filing date: 2018-03-31
Publication date: 2018-12-28
Anticipated expiration: 2028-03-31

Abstract

The utility model relates to computer equipment technical fields, and disclose a kind of adjustable main frame support device, including pedestal, the quadrangle of the base bottom is fixedly installed with fast pulley, and the quantity of fast pulley is four, the two sides of the base top offer sliding slot, and the quantity of sliding slot is two, and the front and rear sides inside two sliding slots slidably connect support slipper and support tracing leg respectively.The adjustable main frame support device, by utilizing being used cooperatively between support rod, square bar and top plate, by top plate supporting in the top of host, plug is installed in the side of top plate, motor is installed in the inside of top plate, flabellum is installed in the bottom of top plate, passes through being used cooperatively between motor, driving wheel, follower, bearing and flabellum, drive flabellum rotation that it is made to radiate host to motor using host supplying power, to improve the practicability of adjustable main frame support device.

Description

A kind of adjustable main frame support device

Technical field

The utility model relates to computer equipment technical field, specially a kind of adjustable main frame support device.

Background technique

Host refer to computer remove input-output equipment other than major body part, and for place mainboard and its The control cabinet of his main component, generally include CPU, memory, hard disk, CD-ROM drive, power supply and other input and output controller and Interface, such as USB controller, video card, network interface card and sound card, in mainframe box commonly referred to as in set, and be located at mainframe box Except commonly referred to as peripheral hardware, such as display, keyboard, mouse, external hard drive and external CD-ROM drive, in general, host itself is Be one can independently operated computer system, server etc. has the computer usually only host of special purpose, without it His peripheral hardware.

In nowadays society, life, working and learning etc. can all use computer, and computer includes host and display The host of computer is usually placed on a host rack by device in, however existing host rack function is simple The effect of support is only served, does not have the functions such as adjusting and heat dissipation, proposes a kind of adjustable main frame support device thus.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of adjustable main frame support device, has It adjusts high and low angle, heat dissipation and is suitable for the advantages that supporting different size of host, solve existing host rack function letter The effect of support is singly only served, does not have the problem of functions such as adjusting and heat dissipation.

(2) technical solution

To realize above-mentioned adjusting high and low angle, heat dissipation and the purpose suitable for supporting different size of host, this is practical new Type provides the following technical solutions: a kind of adjustable main frame support device, including pedestal, the quadrangle of the base bottom are equal It is fixedly installed with fast pulley, and the quantity of fast pulley is four, the two sides of the base top offer sliding slot, and sliding slot Quantity is two, and the front and rear sides inside two sliding slots slidably connect support slipper and support tracing leg respectively, and support The quantity of sliding block and the quantity of support tracing leg are two, and one end movable sleeve of the support tracing leg is connected to gripping mechanism, and blocks The quantity of tight device is two, and the top of the top of two support slippers and two gripping mechanisms is fixedly connected to bottom Plate offers track in the middle part of the bottom plate top, and the quadrangle of the track interior slidably connects supporting leg, and supporting leg Quantity be four, the top of four supporting legs is fixedly connected to rotating plate, is fixedly attached in the middle part of the rotating plate bottom end There is a circular shaft, the bottom end of the circular shaft is run through and extends to the inside of bottom plate and fixing sleeve is connected to square, the external card of the square It is connected to locking device, the inside of the rotating plate offers slideway, and the two sides of the slideway inner cavity slidably connect support skid, And the quantity of support skid is two, the front and rear sides of the slideway inner cavity slidably connect tension spring, the quantity of the tension spring It is two, the both ends of two tension springs are fixedly connected with the rear and front end of two support skid sides respectively, two branch Support is fixedly connected to support plate in the middle part of slide plate top, and the quantity of support plate is two, two support plate two sides Middle part offers circular hole, and the quantity of the circular hole is 24 and every group six and respectively corresponds two support plate two sides Middle part.

The equal movable sleeve in middle part of support plate top front and rear sides is connected to support rod, and the bottom end of the support rod is through simultaneously Extend to the inside of support plate, the bottom of the support rod two sides is fixedly connected to kelly device, the kelly device it is outer The internal activity of portion and circular hole is socketed, and square bar, the outside and top plate bottom of the square bar are fixedly connected at the top of the support rod The internal slide for the groove that portion side opens up connects, and is fixedly installed with plug, the top plate inner cavity in the middle part of the top plate side Bottom be fixedly installed with motor, fixing sleeve is connected to driving wheel, the outer tooth engagement of the driving wheel on the output shaft of the motor There is follower, the follower is fixedly attached on bearing, and the external fixing sleeve of the bearing is connected to the limit inside top plate Position cylinder, the bottom end of the position-limiting drum are fixedly connected with the bottom of top plate inner cavity, and the bottom end of the bearing is run through and extends to top plate Lower section and fixing sleeve be connected to flabellum, the protective cover being fixedly installed with outside flabellum in the middle part of the top plate bottom end.

Preferably, the gripping mechanism includes Convenient table, and the top of the Convenient table is fixedly connected with the bottom of bottom plate, institute The middle part for stating Convenient table two sides offers square groove, and the external activity of the Convenient table is socketed with card cylinder, the card tube inner chamber Two sides be equipped with strip compatible with square groove on Convenient table, square groove on the outside of strip and Convenient table on the card cylinder Internal slide connection, offer through slot in the middle part of the Convenient table bottom end, the middle part of through slot inner cavity two sides on the Convenient table Equal fixing sleeve is connected to round bar, the outside of the round bar and the top pivot bush unit of support tracing leg.

Preferably, the locking device includes jam plate, and the outside of the jam plate and the inner cavity of bottom plate are slidably connected, the lock Lockhole is offered at the top of plate, the shape of the lockhole is formed by polygon and square composite, the inside and side of the lockhole The external activity of block connects, and the jam plate is socketed with nut far from the middle part screw thread of square side, and one end of the nut is run through And the positive outside of bottom plate is extended to, the outside of the nut and the internal activity of bottom plate are socketed.

Preferably, the kelly device includes sleeve, and one end of the sleeve is fixedly connected with the side of support rod, described The other end of sleeve and the internal slide of support plate connect, and the internal activity of the sleeve is socketed with clamp, and the one of the clamp End sequentially passes through from left to right and extends to the outside of support plate, and the outside of the clamp and the internal activity of circular hole are socketed, institute The internal activity for stating sleeve is socketed with pressure spring between clamp and support rod, the both ends of the pressure spring respectively with clamp one Side is fixedly connected with the side of support rod.

Preferably, the width value of the width value of the sliding slot, the width value of support slipper and support tracing leg one end is equal, The inside of the sliding slot is connect with the slide outside of card cylinder, and the depth value of the sliding slot is less than the length value of support slipper.

Preferably, the top of the support tracing leg and the internal slide of through slot on Convenient table connect, and the support tracing leg leans on The two sides up and down of nearly Convenient table one end offer the card slot equal with square groove diameter value on Convenient table, on the support tracing leg The inside of card slot is connect with the slide outside of strip on card cylinder.

Preferably, the diameter value of the diameter value of the bottom plate, the diameter value of pedestal and rotating plate is equal, the bottom of the bottom plate The connection of the top slide of portion and pedestal, the top of the bottom plate is not contacted with the bottom of rotating plate.

Preferably, the two sides of the bottom and track inner cavity outside the supporting leg are slidably connected, the supporting leg bottom end Middle part movable sleeve is connected to ball, and the outside of ball is connect with the basal sliding of track inner cavity on the supporting leg.

Preferably, the quantity of the groove is four, and four grooves are located at the quadrangle of top plate bottom, described recessed The shape of slot is T shape, and the top slide of the top of the groove inner cavity and square bar connects, the bottom of groove inner cavity two sides with The top of support rod front and rear sides is slidably connected.

(3) beneficial effect

Compared with prior art, the utility model provides a kind of adjustable main frame support device, has following The utility model has the advantages that

1, adjustable main frame support device, by opening up sliding slot, the inside connection of sliding slot at the top of the base Support slipper, support tracing leg and gripping mechanism, be slidably connected bottom plate at the top of the base, utilizes support tracing leg branch when pulling out bottom plate The side for supportting bottom plate, opens up track at the top of bottom plate, and the top of supporting leg is installed rotating plate, propped up using track supporting leg Support limit, then by being used cooperatively between bottom plate, rotating plate, circular shaft, square and locking device, place rotating plate drive thereon Host rotation carry out angular adjustment, to realize the angular adjustment to adjustable main frame support device.

2, the adjustable main frame support device, by using being used cooperatively between support rod, square bar and top plate, By top plate supporting in the top of host, plug is installed in the side of top plate, motor is installed in the inside of top plate, in the bottom of top plate Flabellum is installed and gives motor band using host supplying power by being used cooperatively between motor, driving wheel, follower, bearing and flabellum Dynamic flabellum rotation makes it radiate host, to improve the practicability of adjustable main frame support device.

3, the adjustable main frame support device, by installing support skid in the inside of rotating plate, support skid it Between by tension spring connect, open up groove in the bottom of top plate, move back and forth square bar in the inside of groove, realize width It adjusts, while by being socketed support rod in the inside of support plate, opening up circular hole in the two sides of support plate, pacifying in the bottom end of support rod Be loaded lever apparatus, realizes height adjustment, to realize the size regulatory function of adjustable main frame support device.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is enlarged diagram at the A of the utility model structure chart 1；

Fig. 3 is enlarged diagram at the B of the utility model structure chart 1；

Fig. 4 is enlarged diagram at the C of the utility model structure chart 1；

Fig. 5 is 1 gripping mechanism schematic diagram of the utility model structure chart；

Fig. 6 is 1 locking device schematic diagram of the utility model structure chart；

Fig. 7 is 1 kelly schematic device of the utility model structure chart；

Fig. 8 is 1 groove schematic diagram of the utility model structure chart.

In figure: 1 pedestal, 2 fast pulleys, 3 sliding slots, 4 support slippers, 5 support tracing legs, 6 gripping mechanisms, 61 Convenient tables, 62 cards Cylinder, 63 round bars, 7 bottom plates, 8 tracks, 9 supporting legs, 10 rotating plates, 11 circular shafts, 12 squares, 13 locking devices, 131 jam plates, 132 locks Hole, 133 nuts, 14 slideways, 15 support skids, 16 tension springs, 17 support plates, 18 circular holes, 19 support rods, 20 kelly devices, 201 sets Cylinder, 202 clamps, 203 pressure springs, 21 square bars, 22 top plates, 23 grooves, 24 plugs, 25 motors, 26 driving wheels, 27 followers, 28 axis It holds, 29 position-limiting drums, 30 flabellums, 31 protective covers.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please referring to Fig. 1-8, the utility model provides a kind of technical solution, a kind of adjustable main frame support device, Including pedestal 1, the quadrangle of 1 bottom of pedestal is fixedly installed with fast pulley 2, and the quantity of fast pulley 2 is four, 1 top of pedestal Two sides offer sliding slot 3, the width value of sliding slot 3, the width value of support slipper 4 and support the width value of 5 one end of tracing leg equal Equal, the inside of sliding slot 3 is connect with the slide outside of card cylinder 62, and the depth value of sliding slot 3 is less than the length value of support slipper 4, is protected It has demonstrate,proved support slipper 4 to be supported bottom plate 7, while ensure that and not shaken when support slipper 4 and support tracing leg 5 support bottom plate 7 It is dynamic, so that the stability of adjustable main frame support device is improved, and the quantity of sliding slot 3 is two, in two sliding slots 3 The front and rear sides in portion slidably connect support slipper 4 and support tracing leg 5 respectively, support and lead on the top and Convenient table 61 of tracing leg 5 The internal slide of slot connects, support tracing leg 5 close to the two sides up and down of 61 one end of Convenient table offer with it is rectangular on Convenient table 61 The equal card slot of slot diameter value supports the inside of card slot on tracing leg 5 to connect with the slide outside of strip on card cylinder 62, convenient for utilizing 62 pairs of support tracing legs 5 of card cylinder on gripping mechanism 6 carry out clamping fixed in plumbness, to improve adjustable computer The practicability of host support device, and the quantity of support slipper 4 and the quantity of support tracing leg 5 are two, the one of support tracing leg 5 End movable sleeve is connected to gripping mechanism 6, and gripping mechanism 6 includes Convenient table 61, the fixed company in the top of Convenient table 61 and the bottom of bottom plate 7 It connects, the middle part of 61 two sides of Convenient table offers square groove, and the external activity of Convenient table 61 is socketed with card cylinder 62,62 inner cavity of card cylinder Two sides be equipped with strip compatible with square groove on Convenient table 61, on card cylinder 62 outside of strip with it is rectangular on Convenient table 61 The internal slide of slot connects, and offers through slot in the middle part of 61 bottom end of Convenient table, the middle part of through slot inner cavity two sides is equal on Convenient table 61 Fixing sleeve is connected to round bar 63, the outside of round bar 63 and the top pivot bush unit of support tracing leg 5, is being drawn using gripping mechanism 6 Support tracing leg 5 is vertically fixed after bottom plate 7 out, the placement of support 5 wobble effects host of tracing leg is avoided, to improve The stability of adjustable main frame support device, and the quantity of gripping mechanism 6 is two, the top of two support slippers 4 Bottom plate 7 is fixedly connected to the top of two gripping mechanisms 6, the diameter value of bottom plate 7, the diameter value of pedestal 1 and rotating plate 10 Diameter value is equal, and the bottom of bottom plate 7 is connect with the top slide of pedestal 1, and the top of bottom plate 7 does not connect with the bottom of rotating plate 10 Touching avoids bottom plate 7 from contacting with rotating plate 10 and increases frictional force, makes the too big damage structure of dynamics for rotating rotating plate 10, to improve The practicability of main frame support device is adjusted, offers track 8 in the middle part of 7 top of bottom plate, the quadrangle inside track 8 is equal Supporting leg 9 is slidably connected, the two sides of the bottom outside supporting leg 9 and 8 inner cavity of track are slidably connected, in 9 bottom end of supporting leg Portion's movable sleeve is connected to ball, and the outside of ball is connect with the basal sliding of 8 inner cavity of track on supporting leg 9, by utilizing supporting leg 9 Upper ball reduces frictional force when supporting leg 9 moves with track 8 in the roll inside of track 8, while avoiding supporting leg 9 It shakes during exercise, to improve the practicability and stability of adjustable main frame support device, and the number of supporting leg 9 Amount is four, and the top of four supporting legs 9 is fixedly connected to rotating plate 10, and the middle part fixing sleeve of 10 bottom end of rotating plate is connected to circular shaft 11, the bottom end of circular shaft 11 is run through and extends to the inside of bottom plate 7 and fixing sleeve is connected to square 12, and the outside of square 12 is connected with lock Tight device 13, locking device 13 include jam plate 131, and the outside of jam plate 131 and the inner cavity of bottom plate 7 are slidably connected, the top of jam plate 131 Portion offers lockhole 132, and the shape of lockhole 132 is formed by polygon and square composite, inside and the square 12 of lockhole 132 External activity connection, jam plate 131 are socketed with nut 133 far from the middle part screw thread of 12 side of square, and one end of nut 133 is through simultaneously The positive outside of bottom plate 7 is extended to, the outside of nut 133 and the internal activity of bottom plate 7 are socketed, make to lock by turning nut 133 Plate 131 is separated with square 12 convenient for the angular adjustment to bottom plate 7, while being locked square 12 using locking device 13 and being avoided placing master Rotation occurs for bottom plate 7 after machine, so that the stability and practicability of adjustable main frame support device are improved, rotating plate 10 Inside offers slideway 14, and the two sides of 14 inner cavity of slideway slidably connect support skid 15, and the quantity of support skid 15 is Two, the front and rear sides of 14 inner cavity of slideway slidably connect tension spring 16, and the quantity of tension spring 16 is two, and the two of two tension springs 16 End is fixedly connected with the rear and front end of two 15 sides of support skid respectively, and the middle part on two 15 tops of support skid is fixed to be connected It is connected to support plate 17, and the quantity of support plate 17 is two, the middle part of two 17 two sides of support plate offers circular hole 18, circular hole 18 quantity is 24 and every group six and respectively corresponds at the middle part of two 17 two sides of support plate.

The equal movable sleeve in middle part of 17 top front and rear sides of support plate is connected to support rod 19, and the bottom end of support rod 19 is run through and prolonged The inside of support plate 17 is extended to, the bottom of 19 two sides of support rod is fixedly connected to kelly device 20, and kelly device 20 includes set Cylinder 201, one end of sleeve 201 is fixedly connected with the side of support rod 19, and the other end of sleeve 201 and the inside of support plate 17 are sliding Dynamic connection, the internal activity of sleeve 201 are socketed with clamp 202, and one end of clamp 202 sequentially passes through from left to right and extends to branch The outside of fagging 17, the outside of clamp 202 and the internal activity of circular hole 18 are socketed, and the internal activity of sleeve 201, which is socketed with, to be located at Pressure spring 203 between clamp 202 and support rod 19, the both ends of pressure spring 203 respectively with the side of clamp 202 and support rod 19 one Side is fixedly connected, by being connected to kelly device 20 on the circular hole 18 of different height, convenient for carrying out to different size of host Support, to improve the practicability of adjustable main frame support device, the outside of kelly device 20 is interior with circular hole 18 Portion's pivot bush unit, the top of support rod 19 are fixedly connected with square bar 21, what the outside of square bar 21 and 22 bottom side of top plate opened up The internal slide of groove 23 connects, and the quantity of groove 23 is four, and four grooves 23 are located at the quadrangle of 22 bottom of top plate, recessed The shape of slot 23 is T shape, and the top of 23 inner cavity of groove connect with the top slide of square bar 21, the bottom of 23 inner cavity two sides of groove and The top of 19 front and rear sides of support rod is slidably connected, and avoiding support rod 19, top is shaken during exercise, while convenient for adjusting branch The position of strut 19 and top plate 22 facilitates the different size of host of support, to improve adjustable main frame support device Practicability, be fixedly installed with plug 24 in the middle part of 22 side of top plate, the bottom of 22 inner cavity of top plate is fixedly installed with motor 25, horse Fixing sleeve is connected to driving wheel 26 on up to 25 output shaft, and the external tooth of driving wheel 26 is engaged with follower 27,27 fixing sleeve of follower Connect on bearing 28, the external fixing sleeve of bearing 28 is connected to the position-limiting drum 29 inside top plate 22, the bottom end of position-limiting drum 29 with The bottom of 22 inner cavity of top plate is fixedly connected, and the bottom end of bearing 28 is run through and extends to the lower section of top plate 22 and fixing sleeve is connected to flabellum 30, the protective cover 31 being fixedly installed in the middle part of 22 bottom end of top plate outside flabellum 30.

When work, bottom plate 7 is pulled out first, tracing leg 5 will be supported vertically fixed by gripping mechanism 6, and utilize support slipper 4 With support 5 support baseboard 7 of tracing leg, while using turning between the locking device 13 and square 12 on bottom plate 7 with the use of adjusting The angle of plate 10 utilizes then according to the height of the distance between two support plates 17 of big minor adjustment of host and support rod 19 Host, is placed on the top of rotating plate 10 by the pulling force and 20 fixed support plate 17 of kelly device and support rod 19 of tension spring 16 after regulating Host is finally connect by portion using USB line with plug 24, makes motor 25 that flabellum 30 be driven to rotate, when opening host, flabellum 30 Automatically it radiates to host.

In conclusion the adjustable main frame support device, by opening up sliding slot 3, sliding slot 3 at the top of pedestal 1 Inside connection support slipper 4, support tracing leg 5 and gripping mechanism 6 in the top slide connecting bottom board 7 of pedestal 1 pull out bottom plate 7 Shi Liyong supports the side of 5 support baseboard 7 of tracing leg, opens up track 8 at the top of bottom plate 7, rotating plate is installed on the top of supporting leg 9 10, limit is supported to supporting leg 9 using track 8, then by filling in bottom plate 7, rotating plate 10, circular shaft 11, square 12 and locking Being used cooperatively between 13 is set, makes rotating plate 10 that the host rotation placed thereon be driven to carry out angular adjustment, to realize to can The angular adjustment of regulating calculation machine host support device, by being made using the cooperation between support rod 19, square bar 21 and top plate 22 With, top plate 22 is supported on to the top of host, top plate 22 side install plug 24, top plate 22 inside install motor 25, flabellum 30 is installed in the bottom of top plate 22, by between motor 25, driving wheel 26, follower 27, bearing 28 and flabellum 30 It is used cooperatively, drives the rotation of flabellum 30 that it is made to radiate host to motor 25 using host supplying power, to improve adjustable The practicability for saving main frame support device, by between the inside of rotating plate 10 installation support skid 15, support skid 15 It is connected by tension spring 16, opens up groove 23 in the bottom of top plate 22, move back and forth square bar 21 in the inside of groove 23, it is real Show width adjusting, while by opening up circular hole 18 in the two sides of support plate 17 in the inside of support plate 17 socket support rod 19, In the bottom end installation card lever apparatus 20 of support rod 19, height adjustment is realized, to realize adjustable main frame support The size regulatory function of device；Solve the effect that existing host rack function simply only serves support, do not have adjusting and The problem of functions such as heat dissipation.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of adjustable main frame support device, including pedestal (1), it is characterised in that: the four of pedestal (1) bottom Angle is fixedly installed with fast pulley (2), and the quantity of fast pulley (2) is four, and the two sides at the top of the pedestal (1) offer Sliding slot (3), and the quantity of sliding slot (3) is two, two internal front and rear sides of the sliding slot (3) slidably connect support respectively Sliding block (4) and support tracing leg (5), and the quantity of support slipper (4) and the quantity of support tracing leg (5) they are two, the support One end movable sleeve of tracing leg (5) is connected to gripping mechanism (6), and the quantity of gripping mechanism (6) is two, two support slippers (4) top on top and two gripping mechanisms (6) is fixedly connected to bottom plate (7), is opened up in the middle part of bottom plate (7) top Having track (8), the internal quadrangle of the track (8) slidably connects supporting leg (9), and the quantity of supporting leg (9) is four, The top of four supporting legs (9) is fixedly connected to rotating plate (10), and the middle part fixing sleeve of rotating plate (10) bottom end is connected to The bottom end of circular shaft (11), the circular shaft (11) is run through and extends to the inside of bottom plate (7) and fixing sleeve is connected to square (12), described The outside of square (12) is connected with locking device (13), and the inside of the rotating plate (10) offers slideway (14), the slideway (14) two sides of inner cavity slidably connect support skid (15), and the quantity of support skid (15) is two, the slideway (14) front and rear sides of inner cavity slidably connect tension spring (16), and the quantity of the tension spring (16) is two, two tension springs (16) both ends are fixedly connected with the rear and front end of two support skid (15) sides respectively, two support skid (15) tops It is fixedly connected in the middle part of end support plate (17), and the quantity of support plate (17) is two, two support plates (17) two The middle part of side offers circular hole (18), and the quantity of the circular hole (18) is 24 and every group six and respectively corresponds at two The middle part of support plate (17) two sides；

The equal movable sleeve in middle part of support plate (17) the top front and rear sides is connected to support rod (19), the bottom of the support rod (19) The inside of support plate (17) is run through and is extended at end, and the bottom of support rod (19) two sides is fixedly connected to kelly device (20), the internal activity socket of the outside Yu circular hole (18) of the kelly device (20), the top of the support rod (19) is fixed It is connected with square bar (21), the internal slide for the groove (23) that outside and top plate (22) bottom side of the square bar (21) open up connects It connects, is fixedly installed with plug (24) in the middle part of top plate (22) side, the bottom of top plate (22) inner cavity is fixedly installed with Motor (25), fixing sleeve is connected to driving wheel (26) on the output shaft of the motor (25), the outer tooth engagement of the driving wheel (26) Have follower (27), the follower (27) is fixedly attached on bearing (28), and the external fixing sleeve of the bearing (28) is connected to The position-limiting drum (29) internal positioned at top plate (22), the fixed company in the bottom end of the position-limiting drum (29) and the bottom of top plate (22) inner cavity It connects, the bottom end of the bearing (28) is run through and extends to the lower section of top plate (22) and fixing sleeve is connected to flabellum (30), the top plate (22) protective cover (31) external positioned at flabellum (30) is fixedly installed in the middle part of bottom end.

2. a kind of adjustable main frame support device according to claim 1, it is characterised in that: the gripping mechanism It (6) include Convenient table (61), the top of the Convenient table (61) is fixedly connected with the bottom of bottom plate (7), the Convenient table (61) The middle part of two sides offers square groove, and the external activity of the Convenient table (61) is socketed with card cylinder (62), the card cylinder (62) The two sides of inner cavity are equipped with strip compatible with square groove on Convenient table (61), the outside of strip and solid on the card cylinder (62) Determine the internal slide connection of square groove on leg (61), offers through slot, the Convenient table in the middle part of Convenient table (61) bottom end (61) the equal fixing sleeve in middle part of through slot inner cavity two sides is connected to round bar (63) on, the outside of the round bar (63) and support tracing leg (5) Top pivot bush unit.

3. a kind of adjustable main frame support device according to claim 1, it is characterised in that: the locking device It (13) include jam plate (131), the outside of the jam plate (131) and the inner cavity of bottom plate (7) are slidably connected, the jam plate (131) Top offers lockhole (132), and the shape of the lockhole (132) is formed by polygon and square composite, the lockhole (132) Inside connect with the external activity of square (12), the jam plate (131) is socketed with far from the middle part screw thread of square (12) side Bottom plate (7) positive outside is run through and extended in one end of nut (133), the nut (133), the nut (133) it is outer The internal activity of portion and bottom plate (7) is socketed.

4. a kind of adjustable main frame support device according to claim 1, it is characterised in that: the kelly device It (20) include sleeve (201), one end of the sleeve (201) is fixedly connected with the side of support rod (19), the sleeve (201) The other end connect with the internal slide of support plate (17), the internal activity of the sleeve (201) is socketed with clamp (202), institute The one end for stating clamp (202) sequentially passes through from left to right and extends to the outside of support plate (17), the outside of the clamp (202) It is socketed with the internal activity of circular hole (18), the internal activity of the sleeve (201) is socketed with positioned at clamp (202) and support rod (19) pressure spring (203) between, the both ends of the pressure spring (203) respectively with the side of clamp (202) and support rod (19) one Side is fixedly connected.

5. a kind of adjustable main frame support device according to claim 1, it is characterised in that: the sliding slot (3) Width value, support slipper (4) width value and support tracing leg (5) one end width value be equal, the inside of the sliding slot (3) It is connect with the slide outside of card cylinder (62), the depth value of the sliding slot (3) is less than the length value of support slipper (4).

6. a kind of adjustable main frame support device according to claim 1, it is characterised in that: the support tracing leg (5) top is connect with the internal slide of through slot on Convenient table (61), and support tracing leg (5) is close to Convenient table (61) one end Upper and lower two sides offer the card slot equal with square groove diameter value on Convenient table (61), card slot on support tracing leg (5) Inside is connect with the slide outside of strip on card cylinder (62).

7. a kind of adjustable main frame support device according to claim 1, it is characterised in that: the bottom plate (7) Diameter value, the diameter value of pedestal (1) and the diameter value of rotating plate (10) be equal, the bottom of the bottom plate (7) and pedestal (1) Top slide connection, the top of the bottom plate (7) is not contacted with the bottom of rotating plate (10).

8. a kind of adjustable main frame support device according to claim 1, it is characterised in that: the supporting leg (9) two sides of external bottom and track (8) inner cavity are slidably connected, and the middle part movable sleeve of supporting leg (9) bottom end is connected to circle Ball, the outside of ball is connect with the basal sliding of track (8) inner cavity on the supporting leg (9).

9. a kind of adjustable main frame support device according to claim 1, it is characterised in that: the groove (23) Quantity be four, four grooves (23) are located at the quadrangle of top plate (22) bottom, and the shape of the groove (23) is T The top of shape, groove (23) inner cavity is connect with the top slide of square bar (21), the bottom of groove (23) the inner cavity two sides It is slidably connected with the top of support rod (19) front and rear sides.