CN210860258U

CN210860258U - Quick assembly disassembly formula antidetonation support

Info

Publication number: CN210860258U
Application number: CN201921984233.4U
Authority: CN
Inventors: 金灿杰; 冯玉良; 范利明; 周国生; 高关兴
Original assignee: Hangzhou Xiaoshan Jinying Traffic Facilities Co ltd
Current assignee: Hangzhou Xiaoshan Jinying Traffic Facilities Co ltd
Priority date: 2019-11-16
Filing date: 2019-11-16
Publication date: 2020-06-26
Anticipated expiration: 2029-11-16

Abstract

The utility model discloses a quick assembly disassembly formula antidetonation support, including first support group and second support group, first support group is including upwards just rotating the first dead lever of connecting in the staple bolt along bracing piece and the slope of vertical direction fixed connection on the staple bolt, wear to be equipped with the lead screw in the bracing piece, lead screw sliding connection is equipped with the fixed subassembly that is used for fixing its relative position between bracing piece and lead screw and bracing piece, first dead lever includes that first member and cover establish the second member on first member, first member sliding connection is equipped with the adjusting part that is used for adjusting first member and second member relative position in second member and first member. The second support group comprises a second fixing rod which is obliquely arranged, the second fixing rod comprises a third rod piece and a fourth rod piece which is sleeved on the third rod piece, and the third rod piece is connected to the fourth rod piece in a sliding mode, and the third rod piece and the fourth rod piece are fixed through an adjusting assembly.

Description

Quick assembly disassembly formula antidetonation support

Technical Field

The utility model relates to a support, concretely relates to quick assembly disassembly formula antidetonation support.

Background

The pipeline laying is used as basic engineering of buildings and comprises pipeline laying in an aboveground building body and an underground comprehensive pipe gallery located underground, wherein the underground comprehensive pipe gallery is a public tunnel for laying municipal pipelines such as electric power, communication, radio and television, water supply, drainage, heating power, fuel gas and the like underground in a city. Great to some loads, the pipe line that the medium velocity of flow is very fast in the body has great vibrations when the operation, and what the building body was difficult to avoid in addition can suffer some for example the influence of earthquake, blasting or large-scale mechanical shock for the pipeline is destroyed, and the loading has the pipeline of inflammable substance and can cause some secondary disasters when being destroyed, brings the hidden danger to people's personal safety. And thus it is necessary to fix the respective pipelines using anti-seismic brackets and hoops.

Chinese patent publication No. CN208364962U discloses an easily-installed anti-seismic support, which includes a vertical support, a first installation seat, and a connection frame; the lower end of the vertical support is hinged with a transverse oblique support and a longitudinal oblique support, and the upper ends of the transverse oblique support and the longitudinal oblique support are hinged with second mounting seats; the link upper end is equipped with down the staple bolt, and lower staple bolt top is equipped with the staple bolt, and it is articulated with staple bolt one end down to go up staple bolt one end, and the other end of going up staple bolt and staple bolt down all is equipped with the extension piece, is equipped with locking device between two extension pieces. The locking device replaces a bolt to connect the upper hoop and the lower hoop, two ends of the transverse and oblique support are respectively hinged to the vertical support and the second mounting seat, and two ends of the longitudinal and oblique support are respectively hinged to the vertical support and the second mounting seat, so that the use of a bolt connecting piece in the process of mounting the easily-mounted anti-seismic support is reduced.

Before installing the anti-seismic support by the method, the distance from the ceiling to a fixed position needs to be measured, and then a support with a proper size needs to be selected, so that the installation is time-consuming.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a quick assembly disassembly formula antidetonation support, through the length of flexible first support group and second support group, quick adjustment to installation length reaches quick installation and demolishs the purpose of accomodating.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a quick assembly disassembly formula antidetonation support, includes first support group and second support group, and first support group is including upwards just rotating the first dead lever of connecting in the staple bolt along bracing piece and slope of vertical direction fixed connection on the staple bolt, wear to be equipped with the lead screw in the bracing piece, lead screw sliding connection is equipped with the fixed subassembly that is used for fixing its relative position between bracing piece and lead screw and bracing piece, lead screw upper end fixedly connected with mounting panel, mounting panel pass through expansion bolts to be fixed on the ceiling, and lead screw lower extreme threaded connection has two thread bush, and the last lower extreme at the staple bolt is fixed to the thread bush, first dead lever includes that first member and cover establish the second member on first member, and first member sliding connection is equipped with the adjusting part that is used for adjusting first member and second member relative position in second member and first member. The second support group comprises a second fixing rod which is obliquely arranged, the second fixing rod comprises a third rod piece and a fourth rod piece which is sleeved on the third rod piece, and the third rod piece is connected to the fourth rod piece in a sliding mode, and the third rod piece and the fourth rod piece are fixed through an adjusting assembly.

Through adopting above-mentioned technical scheme, during the installing support, fix the lead screw on the ceiling, adjust the relative position of bracing piece and lead screw, adjust to suitable position after, fix it with fixed subassembly. Comparing the position of the end part of the first rod piece, adjusting the adjusting assembly, and adjusting the first fixed rod to a proper length and angle. After the relative position of the first rod piece and the second rod piece is fixed, the first rod piece and the second rod piece are fixed by the adjusting assembly. After the first fixing rod and the second fixing rod are fixed on the ceiling in sequence, the pipeline can be fixed. The length of the first support group and the second support group can be adjusted through stretching and fixing, and the device is very quick and convenient.

The utility model discloses a further set up to: establish the cavity in the first member, the regulating assembly jumps the beans including installing the spring in the cavity, the spring jumps the beans and includes the decurrent V-arrangement rebound rod of opening, is equipped with two and just difference fixed connection in the abaculus at rebound rod both ends, and rebound rod upper end fixed connection is in the cavity inner wall, first fixed orifices has been seted up to the bilateral symmetry of first member outer wall, the second fixed orifices has been seted up to the bilateral symmetry of second member outer wall, the second fixed orifices has seted up a plurality ofly along second member length direction, the abaculus inlays simultaneously and establishes in first fixed orifices and second fixed orifices.

Through adopting above-mentioned technical scheme, when adjusting first fixed rod length, inwards press the abaculus of both sides, push it in first fixed rod, then draw the second member downwards. After comparing length, adjust it to suitable position, at this moment, abaculus and second fixed orifices position coincidence, reset spring reset, the abaculus pops out to the position of wearing out the second fixed orifices, fixes first dead lever upper end on the ceiling, and the lower extreme is fixed mutually with the staple bolt. The length of the first fixed rod of pressing the inserted block can be adjusted rapidly, and the installation efficiency is improved.

The utility model discloses a further set up to: reset spring is installed to the bounce pole open end, reset spring both ends difference fixed connection is in the both ends of the inboard of bounce pole.

Through adopting above-mentioned technical scheme, for when installing reset spring, press the abaculus and need bear the resilience force of resilience pole. Generally, the force to which the duct is to be fitted is greater, and therefore the shearing force of the first bar and the second bar with respect to the insert is also greater. The reset spring is arranged at the opening end of the rebound rod, so that the resilience force of the rebound rod and the reset spring needs to be overcome when the embedded block is pressed, the embedded block is not easy to slide in under the condition of receiving general shearing force, and the first rod piece and the second rod piece are separated.

The utility model discloses a further set up to: the inserted block is a cylinder.

Through adopting above-mentioned technical scheme, first member receives the pulling force of decurrent pipeline, and the second member receives the pulling force of ascending ceiling, and the abaculus inlays and establishes between first member and second member, and consequently the shearing force that receives is great. The embedded block is arranged into a cylindrical shape instead of a shape that one end of the embedded block is domed to facilitate force application, the embedded block is stressed more uniformly, and the embedded block is not easy to slip off in the shearing force bearing process.

The utility model discloses a further set up to: fixed subassembly including being nearly shape and open end butt in the piece of embracing of lead screw, along embracing piece thickness direction butt in the fixing bolt and the threaded connection of embracing the piece in fixing bolt's rotor nut, screw up behind the fixing bolt, the fixing bolt tip supports tightly embraces the piece, and rotor nut one end supports tightly the bracing piece inner wall.

Through adopting above-mentioned technical scheme, when using fixing bolt, rotor nut one side butt bracing piece inner wall continues to rotate and supports to tightly embracing the piece to the fixing bolt tip, embraces the piece open end and supports tight lead screw, and at this moment, rotor nut one end supports tight bracing piece inner wall, reaches fixed effect.

The utility model discloses a further set up to: the both sides of rotor nut one end all are equipped with a plurality of location archs, the spout has been seted up along its length direction in bracing piece one side, the bracing piece inner wall has been seted up spout one side and has been equipped with a plurality of positioning groove that supply the location arch to inlay to establish along its length direction.

Through adopting above-mentioned technical scheme, set up the protruding and positioning groove of location that inlay mutually for friction between rotor nut and the bracing piece is bigger, rotates fixing bolt's in-process, outwards pulls out fixing bolt a little, can make rotor nut support tight bracing piece, prevents fixing bolt pivoted in-process, and rotor nut follows fixing bolt and rotates together, can't fix it together steadily.

The utility model discloses a further set up to: the hoop of the end part of the first support group is provided with an installation block, the lower end of the first rod piece is provided with two lifting lugs at intervals, the installation block is embedded between the two lifting lugs, a screw rod penetrates through the two lifting lugs, the screw rod penetrates through the installation block at the same time, the end part of the screw rod is in threaded connection with an installation bolt, and when the first fixed rod rotates to the position of the ceiling 45, one side of the installation block abuts against the lower end of the first rod piece.

Through adopting above-mentioned technical scheme, when the first dead lever of installation, be 45 degrees angles with the ceiling usually, at this moment, the power that can bear is the biggest. Set up the installation piece, when rotating first dead lever, rotate to first dead lever and installation piece looks butt's position, first dead lever is 45 degrees angles with the ceiling promptly. By the method, the first fixing rod can be accurately adjusted to the most appropriate angle without measurement.

The utility model discloses a further set up to: and a connecting rod is fixedly arranged between the first support group and the second support group.

Through adopting above-mentioned technical scheme, when installing first support group and second support group, can once only put it in suitable position, then adjust and fix one by one, need not go it transport many times, improved the installation rate, provided very big facility.

The utility model has the advantages of it is following:

1. through the length of flexible first support group and second support group, quick adjustment to installation length reaches quick installation and demolishs the purpose of accomodating.

2. The spring jumping bean can quickly adjust the position, and is simple to operate.

3. The connecting rod of connecting first support group and second support group is set up, need not go it transport many times, has improved the installation rate.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a first isometric view of the present embodiment;

FIG. 3 is a partial cross-sectional view;

FIG. 4 is an enlarged view of FIG. 2 at A;

fig. 5 is a partial cross-sectional view.

Reference numerals: 10. a first bracket group; 11. a support bar; 12. a screw rod; 13. mounting a plate; 20. a fixing assembly; 21. holding sheets; 22. fixing the bolt; 23. a rotor nut; 24. positioning the projection; 25. a positioning groove; 30. a first fixing lever; 31. a first bar member; 32. a cavity; 33. a second bar member; 40. an adjustment assembly; 41. jumping beans by a spring; 42. a rebound rod; 43. an insert block; 44. a first fixing hole; 45. a second fixing hole; 46. a chute; 47. a return spring; 50. a second stent group; 52. a second fixing bar; 53. a third bar member; 54. a fourth bar member; 55. a connecting rod; 60. hooping; 61. an upper hoop sheet; 62. a lower hoop sheet; 63. and (4) a threaded sleeve.

Detailed Description

A quick-dismounting type anti-seismic support is shown in figures 1 and 2 and comprises a first support group 10, a second support group 50 and a connecting rod 55 for connecting the first support group 10 and the second support group 50. The first bracket group 10 includes a support rod 11 fixedly connected to the hoop 60 along a vertical direction and a first fixing rod 30 obliquely and rotatably connected to the hoop 60, and sliding grooves 46 are formed in one sides of the support rod 11 and the first fixing rod 30 along a length direction thereof. The screw rod 12 penetrates through the support rod 11 along the length direction of the support rod, the screw rod 12 is connected to the support rod 11 in a sliding mode, and the fixing assembly 20 used for fixing the relative position of the screw rod 12 and the support rod 11 is arranged between the screw rod 12 and the support rod 11. The upper end of the screw rod 12 is fixedly connected with a mounting plate 13, and the mounting plate 13 is fixed on a ceiling through an expansion bolt.

As shown in fig. 2 and 3, the first fixing rod 30 includes a first rod 31 and a second rod 33 sleeved on the first rod 31, the first rod 31 is slidably connected to the second rod 33, and an adjusting assembly 40 for adjusting the relative position of the first rod 31 and the second rod 33 is disposed in the first rod 31. The second bracket set 50 includes a second fixing rod 52 disposed obliquely, the second fixing rod 52 includes a third rod 53 and a fourth rod 54 sleeved on the third rod 53, the third rod 53 is slidably connected to the fourth rod 54, and the third rod 53 and the fourth rod 54 are fixed by the adjusting assembly 40. The upper end of the fourth rod 54 is fixed on the ceiling through the mounting plate 13 and the bolt, and the lower end of the fourth rod 54 is connected with the hoop 60. One end of the connecting rod 55 is fixedly connected to the supporting rod 11, and the other end is fixedly connected to the second fixing rod 52.

As shown in fig. 1 and 2, the anchor ear 60 includes an upper ear piece 61 and a lower ear piece 62, the upper ear piece 61 and the lower ear piece 62 are arc-shaped sheet bodies with opposite openings, and both ends of the upper ear piece 61 and the lower ear piece 62 are connected by bolts and nuts. The lower end of the screw rod 12 penetrates through the upper hoop sheet 61, the upper end and the lower end of the upper hoop sheet 61 are both in threaded connection with a threaded sleeve 63, and the upper hoop 60 is fixed with the screw rod 12 through the threaded sleeve 63.

When the bracket is installed, the screw rod 12 is fixed on the ceiling, the relative position of the support rod 11 and the screw rod 12 is adjusted to a proper position, and then the support rod is fixed by the fixing component 20. Comparing the position of the end of the first rod 31, the adjusting assembly 40 is adjusted to adjust the first fixing rod 30 to a proper length and angle. After the relative positions of the first pin 31 and the second pin 33 are fixed, they are fixed by the adjusting assembly 40. After the first fixing rod 30 and the second fixing rod 52 are fixed on the ceiling in sequence, a threaded sleeve 63 is screwed on the screw rod 12, the upper hoop sheet 61 penetrates through the screw rod 12, and then the other threaded sleeve 63 is screwed from the end part of the screw rod 12. The inner side of the upper band piece 61 is abutted against the pipe, the inner side of the lower band piece 62 is abutted against the lower end of the pipe, and the upper band piece 61 and the lower band piece 62 are fixed by a bolt and a nut when both ends are abutted. And finishing the mounting of the bracket.

Specifically, as shown in fig. 4 and 5, the fixing assembly 20 includes a clip 21 having a polygonal shape and an open end abutting against the lead screw 12, a fixing bolt 22 abutting against the clip 21 in a thickness direction of the clip 21, and a rotor nut 23 screwed to the fixing bolt 22. Rotor nut 23 is the unequal isometric cuboid in both sides, and the both sides of rotor nut 23 one side all are equipped with a plurality of location archs 24 near the position at edge, and 11 inner walls of bracing piece have been seted up spout 46 one side and have been equipped with a plurality of confession location archs 24 along its length direction and inlay the positioning groove 25 of establishing.

When the fixed subassembly 20 of installation, will embrace piece 21 open end laminating lead screw 12, on fixing bolt 22 was twisted to rotor nut 23, handheld fixing bolt 22 kept away from rotor nut 23 one end, it is relative with the width of rotor nut 23's minor face and spout 46 to penetrate in the bracing piece 11 from spout 46. The fixing bolt 22 is turned 90 degrees. The fixing bolt 22 is slightly forced to one side far away from the screw rod 12, at the moment, the rotor nut 23 is tightly pressed against the inner wall of the supporting rod 11, and the positioning bulge 24 is embedded in the positioning groove 25. The fixing bolt 22 is rotated, the end of the fixing bolt 22 rotates inwards to abut against the holding piece 21, the opening end of the holding piece 21 abuts against the screw rod 12 increasingly, and the support rod 11 and the screw rod 12 are fixed together.

Specifically, as shown in fig. 3, a cavity 32 is formed in the first rod 31, the adjusting assembly 40 includes a spring bean 41 installed in the cavity 32, the spring bean 41 includes a V-shaped rebounding rod 42 with a downward opening, and two insert blocks 43 respectively fixedly connected to two ends of the rebounding rod 42, and each insert block 43 is a cylinder. The upper end of the rebound rod 42 is fixedly connected to the inner wall of the cavity 32, the opening end of the rebound rod 42 is provided with a return spring 47, and two ends of the return spring 47 are respectively and fixedly connected to two ends of the inner side of the rebound rod 42. First fixing holes 44 are symmetrically formed in two sides of the outer wall of the first rod piece 31, second fixing holes 45 are symmetrically formed in two sides of the outer wall of the second rod piece 33, and the second fixing holes 45 are formed in the length direction of the second rod piece 33. The insert 43 is simultaneously inserted into the first fixing hole 44 and the second fixing hole 45.

When the length of the first fixing lever 30 is adjusted, the insert blocks 43 at both sides are pressed inward to be pushed into the first fixing lever 30, and then the second rod 33 is pulled downward. After the length is compared, the position of the embedded block 43 is adjusted to a proper position, at the moment, the position of the embedded block 43 is overlapped with that of the second fixing hole 45, the reset spring 47 resets, the embedded block 43 pops out to a position penetrating out of the second fixing hole 45, and the position of the first fixing rod 30 is adjusted.

The working principle of the embodiment is as follows: when the bracket is installed, the screw rod 12 is fixed on the ceiling, the relative position of the support rod 11 and the screw rod 12 is adjusted to a proper position, and then the fixing component 20 is installed. When the fixed subassembly 20 of installation, will embrace piece 21 open end laminating lead screw 12, on fixing bolt 22 was twisted to rotor nut 23, handheld fixing bolt 22 kept away from rotor nut 23 one end, it is relative with the width of rotor nut 23's minor face and spout 46 to penetrate in the bracing piece 11 from spout 46. The fixing bolt 22 is turned 90 degrees. The fixing bolt 22 is slightly forced to one side far away from the screw rod 12, at the moment, the rotor nut 23 is tightly pressed against the inner wall of the supporting rod 11, and the positioning bulge 24 is embedded in the positioning groove 25. The fixing bolt 22 is rotated, the end of the fixing bolt 22 rotates inwards to abut against the holding piece 21, the opening end of the holding piece 21 abuts against the screw rod 12 increasingly, and the support rod 11 and the screw rod 12 are fixed together.

The insert blocks 43 on both sides are pressed inward to push them into the first fixing rod 30, and then the second rod 33 is pulled downward, compared with the position of the end of the first rod 31. After the length is compared, the position of the embedded block 43 is adjusted to a proper position, at the moment, the position of the embedded block 43 is overlapped with that of the second fixing hole 45, the reset spring 47 resets, the embedded block 43 pops out to a position penetrating out of the second fixing hole 45, and the position of the first fixing rod 30 is adjusted.

After the first fixing rod 30 and the second fixing rod 52 are fixed on the ceiling in sequence, a threaded sleeve 63 is screwed on the screw rod 12, the upper hoop sheet 61 penetrates through the screw rod 12, and then the other threaded sleeve 63 is screwed from the end part of the screw rod 12. The inner side of the upper band piece 61 is abutted against the pipe, the inner side of the lower band piece 62 is abutted against the lower end of the pipe, and the upper band piece 61 and the lower band piece 62 are fixed by a bolt and a nut when both ends are abutted. And finishing the mounting of the bracket.

When the bracket is disassembled, the bolts and nuts for fixing the upper hoop sheet 61 and the lower hoop sheet 62 are unscrewed, and the upper hoop sheet 61 and the lower hoop sheet 62 are separated. The bolts fixing the mounting plate 13 and the ceiling are unscrewed one by one and the bracket is detached. The insert blocks 43 on both sides are pressed inward and pushed into the first fixing lever 30, so that the second lever 33 is forced in the direction of the first lever 31. When the first rod 31 slides to a certain position in the first rod 31, the position of the embedded block 43 coincides with that of the second fixing hole 45, the return spring 47 returns, the embedded block 43 pops out to the position penetrating out of the second fixing hole 45, the first fixing rod 30 is shortened, and similarly, the second fixing rod 52 is also shortened.

And applying a force slightly far away from one side of the screw rod 12 to the fixing bolt 22, enabling one side of the rotor wing bolt to abut against the inner wall of the supporting rod 11, unscrewing the fixing bolt 22, and taking out the holding pieces 21 and the rotor wing nuts 23 one by one. An upward force is applied to the screw rod 12, and the support rod 11 is shortened. The support is disassembled and stored.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a quick assembly disassembly formula antidetonation support, includes first support group (10) and second support group (50), and first support group (10) are including upwards just rotating first dead lever (30) of connecting in staple bolt (60) along bracing piece (11) and the slope on staple bolt (60) of vertical direction fixed connection, characterized by: a screw rod (12) penetrates through the support rod (11), the screw rod (12) is connected to the support rod (11) in a sliding mode, a fixing assembly (20) used for fixing the relative position of the screw rod (12) and the support rod (11) is arranged between the screw rod (12) and the support rod (11), a mounting plate (13) is fixedly connected to the upper end of the screw rod (12), the mounting plate (13) is fixed to a ceiling through an expansion bolt, two thread sleeves (63) are connected to the lower end of the screw rod (12) in a threaded mode, the thread sleeves (63) are fixed to the upper end and the lower end of the hoop (60), the first fixing rod (30) comprises a first rod piece (31) and a second rod piece (33) sleeved on the first rod piece (31), the first rod piece (31) is connected to the second rod piece (33) in a sliding mode, an adjusting assembly (40) used for adjusting the relative position of the first rod piece (31) and the second rod piece (33), the second fixing rod (52) comprises a third rod piece (53) and a fourth rod piece (54) sleeved on the third rod piece (53), the third rod piece (53) is connected to the fourth rod piece (54) in a sliding mode, and the third rod piece (53) and the fourth rod piece (54) are fixed through the adjusting assembly (40).

2. A quick-disconnect earthquake-resistant support as defined in claim 1 in which: establish cavity (32) in first member (31), adjusting part (40) is including installing spring jump beans (41) in cavity (32), spring jump beans (41) include V-arrangement rebound pole (42) that open side down, be equipped with two and respectively fixed connection in abaculus (43) at rebound pole (42) both ends, rebound pole (42) upper end fixed connection in cavity (32) inner wall, first fixed orifices (44) have been seted up to the bilateral symmetry of first member (31) outer wall, second fixed orifices (45) have been seted up to the bilateral symmetry of second member (33) outer wall, second fixed orifices (45) have been seted up along second member (33) length direction, abaculus (43) inlay simultaneously and establish in first fixed orifices (44) and second fixed orifices (45).

3. A quick-disconnect earthquake-resistant support as defined in claim 2 in which: reset spring (47) are installed to bounce pole (42) open end, reset spring (47) both ends are fixed connection respectively in the both ends of the inboard of bounce pole (42).

4. A quick-disconnect earthquake-resistant support as defined in claim 2 in which: the insert (43) is a cylinder.

5. A quick-disconnect earthquake-resistant support as defined in claim 1 in which: fixed subassembly (20) including being several shapes and open end butt in embracing piece (21) of lead screw (12), along embracing piece (21) thickness direction butt in fixing bolt (22) of embracing piece (21) and screw nut (23) of threaded connection in fixing bolt (22), screw up fixing bolt (22) back, fixing bolt (22) tip supports tightly embraces piece (21), and support pole (11) inner wall is supported tightly to rotor nut (23) one end.

6. A quick-release seismic support according to claim 5, wherein: the both sides of rotor nut (23) one end all are equipped with a plurality of location arch (24), bracing piece (11) one side has seted up spout (46) along its length direction, bracing piece (11) inner wall has seted up spout (46) one side and has been equipped with a plurality of confession location arch (24) along its length direction and inlay positioning groove (25) of establishing.

7. A quick-disconnect earthquake-resistant support as defined in claim 1 in which: the mounting block is mounted on the hoop (60) at the end part of the first support group (10), two lifting lugs are arranged at the lower end of the first rod piece (31) at intervals, the mounting block is embedded between the two lifting lugs, a screw rod penetrates through the two lifting lugs, the screw rod penetrates through the mounting block at the same time, a mounting bolt is connected to the end part of the screw rod in a threaded manner, and when the first fixing rod (30) rotates to a position 45 degrees to the ceiling, one side of the mounting block abuts against the lower end of the first rod piece (31).

8. A quick-disconnect earthquake-resistant support as defined in claim 1 in which: and a connecting rod (55) is fixedly arranged between the first bracket group (10) and the second bracket group (50).