CN217059395U

CN217059395U - Detachable sample square frame

Info

Publication number: CN217059395U
Application number: CN202220819549.3U
Authority: CN
Inventors: 董萍; 王公鑫; 井长青; 秦宝亚
Original assignee: Xinjiang Agricultural University
Current assignee: Xinjiang Agricultural University
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-07-26
Anticipated expiration: 2032-04-08

Abstract

The utility model provides a detachable appearance square frame relates to the design and the manufacturing technology field of meadow resource and ecological investigation equipment. This detachable appearance square frame includes the arrangement case, clearance pole and a plurality of bracing piece, first recess has been seted up to above-mentioned arrangement case, above-mentioned clearance pole is provided with first joint spare relative to above-mentioned first recess, a plurality of above-mentioned bracing piece one end all is provided with above-mentioned first joint spare matched with second recess, the other end all is provided with above-mentioned first recess matched with second joint spare, above-mentioned arrangement case is provided with and is used for placing above-mentioned clearance pole, the chamber of placing of a plurality of above-mentioned bracing pieces, above-mentioned arrangement case is seted up and is placed the communicating mouth of placing in chamber with the aforesaid, above-mentioned arrangement case is equipped with and is used for covering the aforesaid and place the apron of mouthful.

Description

Detachable sample square frame

Technical Field

The utility model relates to a design and the manufacturing technical field of meadow resource and ecological investigation equipment particularly, relate to a detachable appearance square frame.

Background

In works such as grassland resource and ecological research, quantitative data acquisition of grassland vegetation, and the like, in order to quickly obtain data information on the number of biodistributions and the like in a research area, it is often necessary to conduct research sampling in a predetermined area using a sample, which is a sampling plot randomly set for the purpose of research on the number of plant communities, and is required to be as small as possible and to contain most species.

In the existing sample method, a tape measure, a measuring rope and other tools are generally adopted to measure an edge distance on site, then the position of a sample is determined, then the other edge distance of the sample is measured, four edges of the sample are measured one by one and wound into a square which is used as a selected specified area, and then sampling is carried out in the area. The boundary line and the azimuth of the sample determined by the method are not easy to accurately control, the set sample boundary line is not closed, the sample is irregular, the survey data is inaccurate, the setting process is complex, and the working efficiency of field survey is not high. Later, a fixed sample frame is designed and welded by using steel bars, but the sample frame is inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detachable appearance square frame, it can provide the appearance square frame of quick dismouting, when guaranteeing that measured data is accurate, convenient to use personnel's carrying.

The embodiment of the utility model is realized like this:

the utility model provides a detachable appearance square frame, including the arrangement case, clearance pole and a plurality of bracing piece, first recess has been seted up to above-mentioned arrangement case, above-mentioned clearance pole is provided with first joint spare relatively above-mentioned first recess, a plurality of above-mentioned bracing piece one end all is provided with above-mentioned first joint spare matched with second recess, the other end all is provided with above-mentioned first recess matched with second joint spare, above-mentioned arrangement case is provided with and is used for placing above-mentioned clearance pole, the chamber of placing of a plurality of above-mentioned bracing pieces, above-mentioned arrangement case is seted up and is placed the communicating mouth of placing in chamber with the aforesaid, above-mentioned arrangement case is equipped with and is used for covering the above-mentioned apron of placing the mouth.

The arrangement box, the cleaning rod and the plurality of supporting rods are connected through the addition of the first groove, the first clamping piece, the second groove and the second clamping piece, so that the installation and the disassembly of the sample frame in the embodiment of the utility model are completed, the operation is convenient, and the installation is stable; simultaneously set up on the arrangement case and place the chamber and be used for accomodating and deposit clearance pole and a plurality of support frame, the effectual accomodating of carrying out spare part in the poplar square frame, the holistic carrying of being convenient for.

In some embodiments of the present invention, the sorting box has a first magnet block embedded at the side of the first groove, the cleaning rod has a second magnet block embedded at the side of the first clamping member, and the first magnet block is attracted to the second magnet block.

First magnet piece and the second magnet piece of mutually supporting can be in the same place arrangement case and clearance union coupling, and the completion arrangement case that cooperates first recess and first joint spare can be more firm is connected with the clearance pole.

The utility model discloses an in some embodiments, above-mentioned clearance pole has vertically run through along it and has seted up the clearance mouth, and above-mentioned clearance choma side is provided with the clearance cover.

The setting up of clearance cover can effectually clear up drop of water and the dust on the bracing piece, avoids the dust and the drop of water pollution of bracing piece upper band to place the chamber in the use, and the effectual soil block of avoiding next time on the bracing piece influences the measurement numerical value of appearance method simultaneously.

In some embodiments of the present invention, the cleaning sleeve is a sponge sleeve.

The sponge cover is arranged, the special adsorption capacity of the sponge is utilized, and the work of cleaning water drops on the surface of the supporting rod can be well completed.

The utility model discloses an in some embodiments, the constant head tank has all been seted up at the both ends of above-mentioned clearance pole, is provided with the holding ring that is used for compressing tightly above-mentioned clearance cover in the above-mentioned constant head tank.

The design mode is simple to operate and convenient to operate by personnel.

In some embodiments of the present invention, the storage device further includes a plurality of first extension bars and a plurality of second extension bars disposed in the placement chamber, the plurality of first extension bars are provided with third grooves matched with the second clamping pieces, the plurality of second extension bars are provided with third clamping pieces matched with the second grooves, the number of the third grooves and the number of the third clamping pieces are multiple and one-to-one, one end of the sorting box and one end of the cleaning rod are provided with third magnet blocks, one end of the first extension bar and one end of the second extension bar are provided with third magnet blocks, and the other end of the first extension bar and the other end of the second extension bar are provided with fourth magnet blocks attracted to the third magnet blocks.

The size of the poplar frame can be adjusted by the design mode, and the portable poplar frame can be carried by personnel conveniently.

In some embodiments of the present invention, the first extension bar and the second extension bar are respectively provided with a first scale mark and a second scale mark.

The first and second graduating marks may be designed to facilitate a user in calculating the total area of the sample block.

In some embodiments of the present invention, a plurality of the above-mentioned supporting rods are provided with a third scale mark.

The setting of third scale mark is effectual help user of service calculates the length of bracing piece, the area of the later stage of being convenient for further calculation appearance square frame.

In some embodiments of the present invention, the support rod includes a first branch rod and a second branch rod connected by a screw, the second branch rod is provided with an extension ruler, and the other end of the extension ruler is slidably disposed on the first branch rod.

The setting of extension chi can not increase its position of accomodating when increasing the bracing piece length, and convenient to use person's carries.

The utility model discloses an in some embodiments, the connecting end invagination that above-mentioned first minute pole and above-mentioned second divide the pole forms the snap ring, and the one end that above-mentioned extension chi lies in above-mentioned first minute pole is provided with the fixture block, and the diameter value of above-mentioned fixture block is greater than the internal diameter value of above-mentioned snap ring.

After the first branch pole and the second branch pole are split, the cooperation through fixture block and snap ring is accomplished spacing to the extension chi, prevents that the extension chi from breaking away from.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

1) the sample square frame completes the connection of the sorting box, the cleaning rod and the plurality of supporting rods through the addition of the first groove, the first clamping piece, the second groove and the second clamping piece, so that the installation and the disassembly of the sample square frame in the embodiment of the utility model are completed, the operation is convenient, and the installation is stable;

2) this kind square frame sets up simultaneously on the arrangement case and places the chamber and be used for accomodating and deposit clearance pole and a plurality of support frame, and the effectual accomodating of carrying out spare part in the poplar square frame is convenient for holistic carry.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.

FIG. 1 is a structural view of a detachable sample frame according to an embodiment of the present invention;

fig. 2 is a structural view of a first extension bar in a detachable sample frame according to an embodiment of the present invention;

fig. 3 is a structural view of a second extension bar in a detachable sample frame according to an embodiment of the present invention;

fig. 4 is a structural view of a support rod in a detachable sample frame according to an embodiment of the present invention;

fig. 5 is a structural view of a cleaning rod in a detachable sample frame according to an embodiment of the present invention.

An icon: 1-finishing box, 2-cleaning rod, 3-support rod, 4-first groove, 5-first clamping piece, 6-second groove, 7-second clamping piece, 8-placing cavity, 9-placing opening, 10-cover plate, 11-first magnet block, 12-second magnet block, 13-cleaning opening, 14-cleaning sleeve, 15-positioning groove, 16-positioning ring, 17-first extension rod, 18-second extension rod, 19-third groove, 20-third clamping piece, 21-third magnet block, 22-fourth magnet block, 23-first scale, 24-second scale, 25-third scale, 26-first sub-rod, 27-second sub-rod, 28-extension rod, 29-snap ring, 30-fixture block.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, it is only for convenience of description of the present invention and simplification of description, but not for indication or suggestion that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and therefore, the present invention should not be construed as being limited thereby. Furthermore, the terms "first," "second," and "third," etc. are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "suspended" and the like do not require that the components be absolutely horizontal or suspended, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "set", "mounted", "connected" and "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable 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 according to specific situations by those skilled in the art.

Examples

Referring to fig. 1-5, an object of the present invention is to provide a detachable sample frame, which can provide a sample frame that can be quickly disassembled and assembled, and is convenient for users to carry while ensuring the accuracy of the measurement data.

The utility model provides a detachable appearance square frame, including arrangement case 1, clearance pole 2 and a plurality of bracing piece 3, first recess has been seted up to above-mentioned arrangement case 1, above-mentioned clearance pole 2 is provided with first joint spare 5 relative above-mentioned first recess, 3 one ends of a plurality of above-mentioned bracing pieces all are provided with the second recess with above-mentioned first joint spare 5 matched with, the other end all is provided with second joint spare 7 with above-mentioned first recess matched with, above-mentioned arrangement case 1 is provided with and is used for placing above-mentioned clearance pole 2, a plurality of above-mentioned bracing piece 3 place chamber 8, above-mentioned arrangement case 1 has been seted up and has been placed the communicating mouth 9 of placing in chamber 8 with the aforesaid, above-mentioned arrangement case 1 is equipped with and is used for covering the aforesaid and places the apron 10 of mouth 9.

The principle of the utility model is as follows: in the existing sample method, a tape measure, a measuring rope and other tools are generally adopted to measure an edge distance on site, then the position of a sample is determined, then the other edge distance of the sample is measured, four edges of the sample are measured one by one, a square is wound to be used as a selected specified area, and then sampling is carried out in the area. The boundary line and the azimuth of the sample determined by the method are not easy to accurately control, the set sample boundary line is not closed, the sample is irregular, the survey data is not accurate easily, the setting process is complex, the field survey work efficiency is not high, and a fixed sample frame is designed and welded by using reinforcing steel bars afterwards, but the sample frame is inconvenient to carry. In the embodiment of the utility model, the connection of the sorting box 1, the cleaning rod 2 and the plurality of support rods 3 is completed by adding the first groove, the first clamping piece 5, the second groove and the second clamping piece 7, so as to complete the installation and the disassembly of the sample frame in the embodiment of the utility model, the operation is convenient, and the installation is stable; simultaneously set up on arrangement case 1 and place chamber 8 and be used for accomodating and deposit clearance pole 2 and a plurality of support frame, the effectual accommodating of carrying out spare part in the poplar square frame, the holistic carrying of being convenient for.

A hanging rope is arranged on the ring side of one end of the cleaning rod 2, the free end of the hanging rope is arranged on the ring side close to the other end of the cleaning rod 2, and the hanging rope is additionally arranged to assist a measurer to carry the sorting box 1, the cleaning rod 2 and the plurality of supporting rods 3 which are placed in the sorting box 1; the plurality of support rods 3 are consistent in structure, but are identical in size in pairs; arrangement case 1 and apron 10 are connected through the screw thread, when survey crew reachs the appointed region and need begin to measure, at first open apron 10, will clear up two bracing pieces 3 that pole 2 and required length are the same, will lap 10 lock and accomplish its and arrangement case 1 be connected afterwards, connect two bracing pieces 3 on arrangement case 1 through first recess and first joint spare 5, use second recess and second joint spare 7 to be connected clearance pole 2 and arrangement case 1 afterwards, accomplish the installation of appearance frame, subsequent measurement carries out, it is convenient that this design assembles, the appearance frame after the dismantlement is portable more, can alleviate personnel's transport degree of difficulty when guaranteeing measured data's accurate nature.

In some embodiments of the present invention, the arranging box 1 has the first recess side embedded with a first magnet 11, the cleaning rod 2 has the first engaging member 5 side embedded with a second magnet 12, and the first magnet 11 is engaged with the second magnet 12.

In the above embodiment, the number of the first magnet blocks 11 and the second magnet blocks 12 may be multiple, the first magnet blocks 11 and the second magnet blocks 12 which are matched with each other may connect the sorting box 1 and the cleaning pipe together, the connection between the sorting box 1 and the cleaning rod 2 may be more stably completed by matching the first groove and the first clamping member 5, it is worth explaining that the first groove is a T-shaped groove, the first clamping member 5 is a T-shaped clamping member, the matched second groove is also a T-shaped groove, and the second clamping member 7 is also a T-shaped clamping member.

In some embodiments of the present invention, the cleaning rod 2 has a cleaning opening 13 along its longitudinal direction, and the cleaning opening 13 is annularly provided with a cleaning sleeve 14.

In the above embodiment, after the measurement is completed, the support rod 3 is removed, and the support rod 3 is inserted into the cleaning sleeve 14, so that the effect of cleaning water drops or dust on the outer side of the support rod 3 can be achieved; the setting up of clearance cover 14 can effectually clear up drop of water and the dust on the bracing piece 3, avoids the dust and the drop of water pollution of bracing piece 3 upper band in the use to place chamber 8, and the effectual soil block of avoiding next time on the bracing piece 3 influences the measurement numerical value of appearance method simultaneously.

In some embodiments of the present invention, the cleaning sleeve 14 is a sponge sleeve.

In the above embodiment, the sponge is a porous material, has good water absorption, can be used for cleaning articles, and the sponge cover is arranged to use the specific adsorption capacity of the sponge, so that the work of cleaning water drops on the surface of the support rod 3 can be well completed.

In some embodiments of the present invention, the positioning groove 15 is disposed at both ends of the cleaning rod 2, and the positioning ring 16 for compressing the cleaning sleeve 14 is disposed in the positioning groove 15.

In the above embodiment, the positioning ring 16 is in threaded connection with the inner ring side of the positioning groove 15, the upper side of the positioning ring 16 is provided with two rotation handles, and the number of the rotation handles is preferably two; when the sponge cover needs to be changed, through holding rotatory handle rotational positioning ring 16 tightly, all follow the constant head tank 15 that corresponds separately with the holding ring 16 at 2 both ends of cleaning rod after, the location constraint of sponge cover is removed, can change, change after accomplishing, again with holding ring 16 fixed can, this design easy operation, the personnel of being convenient for operate.

In some embodiments of the present invention, the device further comprises a plurality of first extension bars 17 and a plurality of second extension bars 18 disposed in the placing cavity 8, wherein each of the plurality of first extension bars 17 is provided with a third groove 19 matching with the second engaging member 7, each of the plurality of second extension bars 18 is provided with a third engaging member 20 matching with the second groove, the number of the third grooves 19 and the number of the third clamping members 20 are both multiple and correspond to one another, a third magnet block 21 is provided at one end of the tidying box 1 and one end of the cleaning rod 2, a third magnet block 21 is provided at one end of the first extension bar 17 and one end of the second extension bar 18, the other end of the first extension bar 17 and the other end of the second extension bar 18 are provided with a fourth magnet block 22 which is attracted to the third magnet block 21.

In the above embodiment, when the size of the sample frame at the present stage is increased, the first extension bar 17 and the second extension bar 18 are respectively connected to the finishing box 1 and the cleaning bar 2, the third magnet block 21 and the fourth magnet block 22 at the opposite positions start to work, the user can add the number of the first extension bar 17 and the number of the second extension bar 18 according to the size of the sample frame actually required, and at the same time, the support bar 3 can increase or decrease the length of the support bar 3 through the second groove and the second clamping piece 7, and the two ends of the support bar 3 assembly with the increased length are respectively connected with the first extension bar 17 and the second extension bar through the third groove 19 and the third clamping piece 20, so as to complete the splicing of the sample frame; and realizing the adjustment of the size of the poplar box.

In some embodiments of the present invention, the first extension bar 17 and the second extension bar 18 are provided with a first scale 23 and a second scale 24, respectively.

In the above embodiment, the first scale 23 and the second scale 24 are designed to facilitate the user to calculate the total area of the sample block.

In some embodiments of the present invention, a plurality of the above-mentioned supporting rods 3 are all provided with a third scale mark 25.

In the above embodiment, the third scale 25 is provided to effectively help the user to calculate the length of the support rod 3, thereby further facilitating the calculation of the area of the sample box at the later stage.

In some embodiments of the present invention, the support rod 3 comprises a first branch rod 26 and a second branch rod 27 which are connected by a screw thread, an extension ruler 28 is disposed in the second branch rod 27, and the other end of the extension ruler 28 is slidably disposed on the first branch rod 26.

In the above embodiment, a slide rail is provided in the first branch rod 26, and a slide block sleeved on the slide rail is provided at the free end of the extension ruler 28; the length of the support rod 3 can be increased without increasing the storage position thereof by arranging the lengthening ruler 28, so that the carrying of a user is facilitated.

In some embodiments of the present invention, the connecting end of the first branch rod 26 and the second branch rod 27 is recessed to form a snap ring 29, a clamping block 30 is disposed at one end of the extension ruler 28 located in the first branch rod 26, and a diameter value of the clamping block 30 is greater than an inner diameter value of the snap ring 29.

In the above embodiment, after the first sub-rod 26 and the second sub-rod 27 are completely separated, the limit of the extension rule 28 is completed through the cooperation of the fixture block 30 and the snap ring 29, so as to prevent the extension rule 28 from being separated.

To sum up, the utility model provides a detachable appearance square frame, it has following beneficial effect at least: in the existing sample method, a tape measure, a measuring rope and other tools are generally adopted to measure an edge distance on site, then the position of a sample is determined, then the other edge distance of the sample is measured, four edges of the sample are measured one by one, a square is wound to be used as a selected specified area, and then sampling is carried out in the area. The boundary line and the direction of the sample determined by the method are not easy to accurately control, the set boundary line of the sample is not closed, the sample is irregular, the survey data is easy to be inaccurate, the setting process is more complicated, the working efficiency of field survey is not high, and a fixed sample frame is designed and welded by using reinforcing steel bars afterwards, but the sample frame is inconvenient to carry. In the embodiment of the utility model, the connection of the sorting box 1, the cleaning rod 2 and the plurality of support rods 3 is completed by the addition of the first groove, the first clamping piece 5, the second groove and the second clamping piece 7, so as to complete the installation and the disassembly of the sample frame in the embodiment of the utility model, the operation is convenient, and the installation is stable; simultaneously set up on arrangement case 1 and place chamber 8 and be used for accomodating and deposit clearance pole 2 and a plurality of support frame, effectual accomodating of having carried out spare part in the poplar square frame, the holistic carrying of being convenient for.

A hanging rope is arranged on the ring side of one end of the cleaning rod 2, the free end of the hanging rope is arranged on the ring side close to the other end of the cleaning rod 2, and the hanging rope can assist a measurer to carry the sorting box 1, the cleaning rod 2 and the plurality of support rods 3 which are placed in the sorting box 1; the plurality of support rods 3 are consistent in structure, but are identical in size in pairs; arrangement case 1 and apron 10 are connected through the screw thread, when survey crew reachs the appointed region and need begin to measure, at first open apron 10, will clear up two bracing pieces 3 that pole 2 and required length are the same, will lap 10 lock and accomplish its and arrangement case 1 be connected afterwards, connect two bracing pieces 3 on arrangement case 1 through first recess and first joint spare 5, use second recess and second joint spare 7 to be connected clearance pole 2 and arrangement case 1 afterwards, accomplish the installation of appearance frame, subsequent measurement carries out, it is convenient that this design assembles, the appearance frame after the dismantlement is portable more, can alleviate personnel's transport degree of difficulty when guaranteeing measured data's accurate nature.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a detachable appearance square frame, its characterized in that includes arrangement case, clearance pole and a plurality of bracing piece, first recess has been seted up to the arrangement case, the clearance pole is relative first recess is provided with first joint spare, and is a plurality of bracing piece one end all be provided with first joint spare matched with second recess, the other end all be provided with first recess matched with second joint spare, the arrangement case is provided with and is used for placing clearance pole, a plurality of the chamber of placing of bracing piece, the arrangement case seted up with place the communicating mouth of placing in chamber, the arrangement case be equipped with be used for covering establish place the apron of mouth.

2. A detachable sample holder as claimed in claim 1, wherein the first recess is provided with a first magnet block, the cleaning rod is provided with a second magnet block, and the first magnet block is engaged with the second magnet block.

3. A detachable sample frame according to claim 2, wherein the cleaning rod is provided with a cleaning opening along the longitudinal direction, and a cleaning sleeve is arranged on the side of the cleaning opening.

4. A removable spline housing according to claim 3, wherein the cleaning sleeve is a sponge sleeve.

5. A detachable sample frame according to claim 4, wherein positioning grooves are formed at both ends of the cleaning rod, and positioning rings for pressing the cleaning sleeve are arranged in the positioning grooves.

6. The detachable sample frame according to claim 1, further comprising a plurality of first extension bars and a plurality of second extension bars, wherein the first extension bars are provided with third grooves matched with the second clamping pieces, the second extension bars are provided with third clamping pieces matched with the second grooves, the number of the third grooves and the number of the third clamping pieces are multiple and in one-to-one correspondence, one end of the sorting box and one end of the cleaning rod are provided with third magnet blocks, one end of the first extension bar and one end of the second extension bar are provided with third magnet blocks, and the other end of the first extension bar and the other end of the second extension bar are provided with fourth magnet blocks attracted with the third magnet blocks.

7. A removable spline housing according to claim 6, wherein the first and second elongate members carry first and second graduations respectively.

8. A removable spline housing according to claim 7, wherein a plurality of the support rod ring sides are provided with a third scale mark.

9. A detachable sample frame as claimed in claim 6, wherein the support rod comprises a first sub-rod and a second sub-rod which are connected by screw threads, an extension ruler is arranged in the second sub-rod, and the other end of the extension ruler is slidably arranged on the first sub-rod.

10. A detachable spline frame according to claim 9, wherein the connecting end of the first branch rod and the second branch rod is recessed to form a snap ring, and a fixture block is arranged at the end of the elongated ruler located in the first branch rod, and the diameter value of the fixture block is greater than the inner diameter value of the snap ring.