CN108343825B

CN108343825B - Triangular support device convenient to operate and operation method thereof

Info

Publication number: CN108343825B
Application number: CN201810172093.4A
Authority: CN
Inventors: 杨辉; 许清泉; 张斌
Original assignee: Changzhou Institute of Technology
Current assignee: Changzhou Institute of Technology
Priority date: 2018-03-01
Filing date: 2018-03-01
Publication date: 2020-09-01
Anticipated expiration: 2038-03-01
Also published as: CN108343825A

Abstract

The invention discloses a tripod device convenient to operate and an operating method thereof, and belongs to the field of tripods. The invention discloses a triangular support device, which comprises a support and three groups of support legs, wherein the support is hollow, a platform is arranged at the upper part of the support, an upper synchronous belt wheel is erected above the platform, the upper synchronous belt wheel is coaxially and fixedly connected with a worm wheel arranged on the platform, the worm wheel is meshed with a worm arranged on the platform, and the worm is connected with a hand wheel; the bottom of the pillar is provided with a bottom support, a lower synchronous belt wheel is arranged on the bottom support, and the lower synchronous belt wheel and the upper synchronous belt wheel are in transmission connection through a synchronous belt arranged in the pillar; the pillar is provided with a sliding hoop, the sliding hoop penetrates through a sliding groove formed in the side wall of the pillar to be connected with the synchronous belt, and the supporting legs are connected with the sliding hoop through connecting rods respectively. The triangular support is very simple in folding and stretching operation, an operator does not need to bend down, and the manual labor of the operator is reduced.

Description

Triangular support device convenient to operate and operation method thereof

Technical Field

The present invention relates to a tripod and a method for using the same, and more particularly, to a tripod apparatus which is convenient to operate and a method for operating the same, and can be used to place a camera, a video camera, a three-dimensional scanning device, a surveying and mapping device, etc.

Background

A tripod is often used to support and fix corresponding instrumentation in the fields of photography, three-dimensional scanning, surveying and mapping. At present, this type of A-frame is very common on the market, and it can be folded usually to portable, but the most manual regulation that adopts of current A-frame, realize through modes such as rotatory bolt that the support lock is dead fixedly, and the operation is very inconvenient.

For example, the Chinese patent number ZL200810211160.5, the publication date of the authorization is 2012, 9 and 5, and the name of the invention is as follows: the application relates to a tripod, in particular to a middle-layer expander, which is used for a bracket with three supporting legs and comprises a main body; three arms, each arm being hingedly mounted at a first end to the body and carrying at a second end a first locking member of the locking device as a counterpart to a second locking member of the locking device on the respective leg for detachable connection to a corresponding support leg of the carrier, wherein the three arms are carrier legs and the body is intended to receive a carrier head. The tripod device of this application, its three outriggers that stretch out adopt the slide bar telescopic machanism, must utilize cam handle to lock after manual adjustment extension length. Moreover, the middle hoop of the expansion bracket is sleeved on the middle upright post, can move up and down and is locked by a handle rotating bolt, and also needs manual adjustment. Therefore, when the tripod device of the application is used, an operator needs to bend down and break the cam handle by hand to realize self-locking of the three extending supporting legs, the operation action is troublesome, the adjustment time is long, the walking is inconvenient, and the use requirements of modern people are difficult to meet.

Disclosure of Invention

1. Technical problem to be solved by the invention

The invention aims to overcome the defects of troublesome folding and telescopic adjustment operation, complex structure and the like of the traditional triangular support, and provides a triangular support device with convenient operation and an operation method thereof; the supporting legs control the telescopic length by using the controllable gas spring, so that the operation is easy, and the bearing capacity of the triangular support is improved; the folding and the telescopic operation of the triangular support are very simple, the operator does not need to bend down, and the physical labor of the operator is reduced.

2. Technical scheme

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

the invention relates to a convenient-to-operate triangular support device, which comprises a support column and three groups of support legs hinged on the support column, wherein the support column is hollow, a platform is arranged at the upper part of the support column, an upper synchronous belt wheel is erected above the platform and is coaxially and fixedly connected with a worm wheel arranged on the platform, the worm wheel is meshed with a worm arranged on the platform, and the worm is connected with a hand wheel; the bottom of the pillar is provided with a bottom support, a lower synchronous belt wheel is arranged on the bottom support, and the lower synchronous belt wheel and the upper synchronous belt wheel are in transmission connection through a synchronous belt arranged in the pillar; the supporting column is provided with a sliding hoop, the sliding hoop penetrates through a sliding groove formed in the side wall of the supporting column to be connected with the synchronous belt, and the supporting legs are connected with the sliding hoop through connecting rods respectively.

Furthermore, a top cover used for covering the upper synchronous pulley, the worm wheel and the worm is further arranged on the platform.

Furthermore, the supporting leg comprises a fixed supporting leg pipe, a telescopic supporting leg pipe and a controllable gas spring, the top end of the fixed supporting leg pipe is hinged with the supporting column, and the lower part of the fixed supporting leg pipe is connected with the sliding hoop through a connecting rod; the controllable gas spring is arranged between the fixed supporting leg pipe and the telescopic supporting leg pipe, and an operating handle of the controllable gas spring is positioned at the upper part of the fixed supporting leg pipe.

Furthermore, the bottom of the telescopic leg tube is also provided with a caster with a locking pressure plate.

Furthermore, three groups of the supporting legs are equally hinged on the periphery of the platform.

Furthermore, the top end of the support post is provided with a cloud deck through a rotary adjusting mechanism.

Further, rotation regulation mechanism include footstock, roating seat and the seat that slides, the footstock be fixed in the top of pillar, roating seat and footstock normal running fit, and be equipped with the rotation angle location button that is used for locking the roating seat on the lateral wall of footstock, the horizontal sliding fit of seat and roating seat of sliding, and be equipped with screw rod adjustment mechanism between roating seat and the seat of sliding, the cloud platform fix on the seat of sliding.

Furthermore, the sliding seat is connected with the rotating seat in a sliding mode through a dovetail groove.

Furthermore, a tensioning bolt used for adjusting the tensioning force of the synchronous belt is arranged between the bottom support and the bottom of the support, a tensioning bolt hole matched with the tensioning bolt is formed in the bottom support, and a baffle plate abutting against the tensioning bolt is arranged at the bottom of the support.

The operation method of the triangular support device comprises the following steps:

s1, shaking a hand wheel, driving a sliding hoop to slide on a support column by using a synchronous belt, driving three groups of support legs to be unfolded to a proper angle through a connecting rod, and locking the unfolding angles of the three groups of support legs under the action of a worm gear mechanism;

s2, pulling operating handles of the controllable gas springs of the three groups of supporting legs respectively, and adjusting the extending lengths of the three groups of supporting legs according to requirements;

s3, respectively treading down locking pressing plates of the casters at the bottoms of the three groups of supporting legs to fix the position of the triangular support device;

and S4, installing instrument equipment.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the invention has the following remarkable effects:

(1) according to the triangular support device convenient to operate, the supporting columns are hollow, the synchronous belt mechanism is arranged in the supporting columns, the three groups of supporting legs are connected with the sliding hoop on the supporting columns through the connecting rods, the sliding hoop is connected with the synchronous belt, the synchronous belt mechanism is driven by the hand wheel, the worm and gear mechanism is arranged between the hand wheel and the synchronous belt mechanism, the supporting legs can be conveniently adjusted to be proper in opening angle, the operation is flexible and convenient, the structure is simple, and the manufacture is convenient;

(2) according to the triangular support device convenient to operate, the top cover used for covering the upper synchronous belt wheel, the worm wheel and the worm is further arranged on the platform, so that the triangular support device is attractive in appearance and safe to operate, has a good protection effect on a worm and gear mechanism, and ensures that a hand wheel is easy and flexible to rotate;

(3) according to the tripod device convenient to operate, the supporting legs are composed of the fixed supporting leg pipes and the telescopic supporting leg pipes, the controllable gas springs are arranged between the fixed supporting leg pipes and the telescopic supporting leg pipes to control the telescopic length, the length of the supporting legs can be flexibly adjusted only by pulling the operating handles of the controllable gas springs, the tripod device is easy to operate, the bearing capacity of each controllable gas spring is over 50Kg, and the bearing capacity of the tripod is improved; the folding and the telescopic operation of the triangular support are very simple, the operator does not need to bend down, and the physical labor of the operator is reduced;

(4) according to the triangular support device convenient to operate, the bottom of the telescopic supporting leg pipe is also provided with the trundles with the locking pressing plates, so that the triangular support device is more convenient to move and more flexible to use for heavier equipment;

(5) according to the triangular support device convenient to operate, the three groups of supporting legs are equally hinged to the periphery of the platform, so that the triangular support device is simpler and more convenient to install, compact in structure after being folded and small in occupied space;

(6) according to the tripod device convenient to operate, the top end of the support column is provided with the tripod head through the rotation adjusting mechanism, and the tripod head can rotate and finely adjust and move back and forth, so that the tripod device is more convenient to use;

(7) according to the tripod device convenient to operate, the rotation adjusting mechanism comprises the top seat, the rotating seat and the sliding seat, the side wall of the top seat is provided with the rotation angle positioning button for locking the rotating seat, the sliding seat is horizontally matched with the rotating seat in a sliding manner, and the screw adjusting mechanism is arranged between the rotating seat and the sliding seat, so that the tripod device is simple in structure, convenient to adjust the position of the tripod head and accurate in positioning;

(8) according to the triangular support device convenient to operate, the tensioning bolt used for adjusting the tensioning force of the synchronous belt is arranged between the bottom support and the bottom of the support column, the tensioning of the synchronous belt can be realized by screwing the tensioning bolt, the operation is simple and convenient, and the stable operation of the synchronous belt mechanism is ensured;

(9) according to the operation method of the triangular support device, which is convenient to operate, the triangular support device can be adjusted and stored by shaking the opening angle adjusting hand wheel and pressing the telescopic length operating handle, so that the operation is easy and convenient, and the use is stable and reliable.

Drawings

FIG. 1 is a schematic structural view of a tripod apparatus of the present invention for easy operation;

FIG. 2 is a schematic structural view of a tripod apparatus of the present invention with a strut broken away for convenient operation;

FIG. 3 is a schematic cross-sectional view of a tripod apparatus of the present invention;

FIG. 4 is a schematic structural diagram of a rotational adjustment mechanism of the tripod head according to the present invention;

FIG. 5 is a schematic structural view of a worm gear mechanism on the pillar platform of the present invention;

fig. 6 is a schematic view of the structure of the bottom support of the bottom of the column in the present invention.

The reference numerals in the schematic drawings illustrate:

1. a pillar; 1-1, a platform; 1-2, an upper synchronous belt wheel; 1-3, a worm gear; 1-4, a worm; 1-5, a hand wheel; 1-6, a bottom support; 1-6-1, tensioning bolt holes; 1-7, a lower synchronous belt wheel; 1-8, synchronous belt; 1-9, a sliding ferrule; 1-10, a chute; 2. a support leg; 2-1, fixing the leg supporting tube; 2-2, a telescopic leg tube; 2-3, a controllable gas spring; 2-4, a caster; 3. a connecting rod; 4. a rotation adjustment mechanism; 4-1, a top seat; 4-2, a rotating seat; 4-3, a sliding seat; 4-4, rotating the angle positioning button; 4-5, a screw rod adjusting mechanism; 5. a holder; 6. and a top cover.

Detailed Description

For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

Examples

Referring to fig. 1, 2 and 3, the easy-to-operate tripod apparatus of the present embodiment includes a pillar 1 and three sets of legs 2 hinged to the pillar 1, and the three sets of legs 2 can be supported on the ground after being spread. The support 1 is of a hollow structure, a platform 1-1 is arranged on the upper portion of the support 1, an upper synchronous belt wheel 1-2 is erected above the platform 1-1, the upper synchronous belt wheel 1-2 is coaxially and fixedly connected with a worm wheel 1-3 arranged on the platform 1-1, the worm wheel 1-3 is meshed with a worm 1-4 arranged on the platform 1-1, the worm 1-4 is connected with a hand wheel 1-5, and the upper synchronous belt wheel 1-2 can be driven to rotate by rotating the hand wheel 1-5 through a worm and gear mechanism; as shown in fig. 5, in order to facilitate the installation of the worm wheel 1-3, two groups of upper synchronous pulleys 1-2 may be arranged above the platform 1-1, one group of upper synchronous pulleys 1-2 is installed on the inner side of the upper end pipe wall of the pillar 1, the other group of upper synchronous pulleys 1-2 is installed with a certain outward offset distance, and an opening is arranged on the pipe wall of the pillar 1 between the two groups of upper synchronous pulleys 1-2, wherein the worm wheel 1-3 is coaxially and fixedly connected with the outward offset upper synchronous pulleys 1-2, which facilitates the arrangement of the worm and gear mechanism on the platform 1-1, so that the overall structure is more compact; the bottom of the pillar 1 is provided with a bottom support 1-6, the bottom support 1-6 is provided with a lower synchronous pulley 1-7, and the lower synchronous pulley 1-7 is in transmission connection with the upper synchronous pulley 1-2 through a synchronous belt 1-8 arranged in the pillar 1; the pillar 1 is provided with sliding hoops 1-9, the sliding hoops 1-9 penetrate through sliding grooves 1-10 arranged on the side wall of the pillar 1 to be connected with synchronous belts 1-8, and specifically, three groups of chutes 1-10 are uniformly arranged on the strut 1 along the moving direction of the sliding hoops 1-9, a plunger piston which can slide in the pillar 1 is arranged in the pillar 1 and has a guiding function, the plunger piston is connected with a sliding hoop 1-9 through a bolt which passes through a sliding chute 1-10, the middle part of the plunger piston is communicated to form a square groove, is used for leading the synchronous belts 1 to 8 to pass through, the synchronous belt 1 to 8 at one side is fixedly connected with the inner wall of the square groove of the plunger piston through a pressure plate, the synchronous belt 1 to 8 at the other side passes through the square groove, thus, when the synchronous belts 1-8 move up and down, the sliding cuffs 1-9 can be driven by the plunger to slide up and down on the strut 1; the three groups of supporting legs 2 are respectively connected with the sliding hoops 1-9 through the connecting rods 3, when the sliding hoops 1-9 move upwards, the connecting rods 3 pull the three groups of supporting legs 2 to contract inwards and fold, and when the sliding hoops 1-9 move downwards, the connecting rods 3 drive the three groups of supporting legs 2 to expand outwards. During operation, the hand wheels 1-5 on the upper portion of the supporting column 1 are rotated to control the three groups of supporting legs 2 to contract or expand through the synchronous belt transmission mechanism, the three groups of supporting legs 2 can be positioned at the opening angle under the self-locking action of the worm and gear, the supporting legs can be conveniently adjusted to the proper opening angle, and the device is flexible and convenient to operate, simple in structure and convenient to manufacture.

As shown in fig. 1, fig. 2 and fig. 3, in order to make the structure of the tripod apparatus more simple, the top cover 6 for covering the upper synchronous pulley 1-2, the worm wheel 1-3 and the worm 1-4 is further arranged on the platform 1-1, so that the tripod apparatus not only has beautiful appearance and safe operation, but also has good protection effect on the worm and worm wheel mechanism, and ensures that the hand wheel 1-5 rotates easily and flexibly. In the embodiment, the supporting leg 2 comprises a fixed supporting leg pipe 2-1, a telescopic supporting leg pipe 2-2 and a controllable gas spring 2-3, the top end of the fixed supporting leg pipe 2-1 is hinged with the supporting column 1, the lower part of the fixed supporting leg pipe 2-1 is connected with a sliding hoop 1-9 through a connecting rod 3, two ends of the connecting rod 3 are respectively hinged with the fixed supporting leg pipe 2-1 and the sliding hoop 1-9, and supporting lugs convenient for being connected with the connecting rod 3 are arranged on the fixed supporting leg pipe 2-1 and the sliding hoop 1-9; the fixed leg pipe 2-1 is in sliding sleeve connection with the telescopic leg pipe 2-2, specifically, the telescopic leg pipe 2-2 can be sleeved on the inner side of the fixed leg pipe 2-1, the controllable gas spring 2-3 is arranged inside the telescopic leg pipe 2-2 and is positioned between the fixed leg pipe 2-1 and the telescopic leg pipe 2-2, an operating handle of the controllable gas spring 2-3 is positioned on the upper portion of the fixed leg pipe 2-1, and an opening for exposing the operating handle of the controllable gas spring 2-3 is reserved on the upper portion of the fixed leg pipe 2-1. The length of the controllable gas spring 2-3 is controlled by pulling the operating handle of the controllable gas spring 2-3, so that the telescopic length of the telescopic leg pipe 2-2 in the fixed leg pipe 2-1 is controlled, the operation is easy, the bearing capacity of each controllable gas spring 2-3 is over 50Kg, and the bearing capacity of the triangular bracket is improved; the folding and the telescopic operation of the triangular support are very simple, the operator does not need to bend down, and the physical labor of the operator is reduced. In addition, the bottom of the telescopic leg tube 2-2 is also provided with a caster 2-4 with a locking pressure plate, the caster 2-4 is preferably a universal wheel, and for heavier equipment, the movement is more convenient and the use is more flexible. In order to facilitate the installation of the supporting legs 2, the three groups of supporting legs 2 are equally hinged on the periphery of the platform 1-1, so that the installation is simpler and more convenient, the folded structure is compact, and the occupied space is small.

Referring to fig. 1 to 4, in the present embodiment, a pan/tilt head 5 is installed at the top end of the pillar 1 through a rotation adjusting mechanism 4, the pan/tilt head 5 can fix a camera, a video camera, a three-dimensional scanning device, a surveying and mapping device, etc., and the pan/tilt head 5 can rotate and move forward and backward in a fine adjustment manner, which is more convenient to use. The rotary adjusting mechanism 4 comprises a top seat 4-1, a rotary seat 4-2 and a sliding seat 4-3, wherein the top seat 4-1 is fixed at the top end of the supporting column 1, the rotary seat 4-2 is in running fit with the top seat 4-1, a rotating angle positioning button 4-4 for locking the rotary seat 4-2 is arranged on the side wall of the top seat 4-1, the sliding seat 4-3 is in horizontal sliding fit with the rotary seat 4-2, a screw adjusting mechanism 4-5 is arranged between the rotary seat 4-2 and the sliding seat 4-3, and the tripod head 5 is fixed on the sliding seat 4-3. Preferably, the sliding seat 4-3 is in sliding connection with the rotating seat 4-2 through a dovetail groove, and the sliding is stable and reliable.

As shown in fig. 2 and 6, in this embodiment, a tension bolt for adjusting the tension force of the synchronous belt 1-8 is further disposed between the bottom support 1-6 and the bottom of the supporting column 1, a tension bolt hole 1-6-1 matched with the tension bolt is formed in the bottom support 1-6, and a baffle plate abutting against the tension bolt is disposed at the bottom of the supporting column 1. When the tensioning bolt is rotated, the bottom support 1-6 can move relative to the support 1, so that the tensioning of the synchronous belt can be realized by screwing the tensioning bolt, the operation is simple and convenient, and the stable operation of the synchronous belt mechanism is ensured.

The embodiment also discloses an operation method of the triangular support device, which is shown in fig. 1 and fig. 2 and comprises the following steps:

s1, shaking a hand wheel 1-5, driving a sliding hoop 1-9 to slide on a support 1 by using a synchronous belt 1-8, driving three groups of support legs 2 to be unfolded to a proper angle through a connecting rod 3, and locking the unfolding angles of the three groups of support legs 2 under the action of a worm gear mechanism;

s2, respectively pulling the operating handles of the controllable gas springs 2-3 of the three groups of supporting legs 2, and adjusting the extension lengths of the three groups of supporting legs 2 as required; according to different terrains, the three groups of supporting legs 2 can be controlled to extend out by different lengths, and the holder 5 or equipment is ensured to be at a proper position;

s3, respectively treading down locking pressing plates of casters 2-4 at the bottoms of the three groups of supporting legs 2 to fix the position of the triangular support device;

s4, installing the instrument equipment, specifically, installing the instrument equipment on the cloud platform 5, locking by utilizing a clamping groove and other structures on the cloud platform 5, then loosening the rotation angle positioning button 4-4, adjusting the rotation of the cloud platform 5, adjusting the screw rod adjusting mechanism 4-5, finely adjusting the front and back positions of the cloud platform 5, and locking the rotation angle positioning button 4-4 after adjusting.

According to the triangular support device convenient to operate and the operation method thereof, the opening angle of the supporting leg is controlled through the synchronous belt mechanism, the synchronous belt mechanism is driven by the worm gear mechanism driven by the hand wheel, the supporting leg can be conveniently adjusted to the proper opening angle, and the operation is flexible and convenient; the supporting legs control the telescopic length by using the controllable gas spring, so that the operation is easy, and the bearing capacity of the triangular support is improved; the folding and the telescopic operation of the triangular support are very simple, the operator does not need to bend down, and the physical labor of the operator is reduced.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.

Claims

1. The utility model provides a convenient operation's A-frame device, includes pillar (1) and articulates three group landing legs (2) on pillar (1), its characterized in that: the support column (1) is hollow, a platform (1-1) is arranged at the upper part of the support column (1), an upper synchronous belt wheel (1-2) is erected above the platform (1-1), the upper synchronous belt wheel (1-2) is coaxially and fixedly connected with a worm wheel (1-3) arranged on the platform (1-1), the worm wheel (1-3) is meshed with a worm (1-4) arranged on the platform (1-1), and the worm (1-4) is connected with a hand wheel (1-5); the bottom of the strut (1) is provided with a bottom support (1-6), the bottom support (1-6) is provided with a lower synchronous pulley (1-7), and the lower synchronous pulley (1-7) is in transmission connection with the upper synchronous pulley (1-2) through a synchronous belt (1-8) arranged in the strut (1); the support is characterized in that sliding cuffs (1-9) are mounted on the support (1), the sliding cuffs (1-9) penetrate through sliding grooves (1-10) formed in the side wall of the support (1) to be connected with synchronous belts (1-8), and the support legs (2) are connected with the sliding cuffs (1-9) through connecting rods (3); the supporting leg (2) comprises a fixed supporting leg pipe (2-1), a telescopic supporting leg pipe (2-2) and a controllable gas spring (2-3), the top end of the fixed supporting leg pipe (2-1) is hinged with the supporting column (1), and the lower part of the fixed supporting leg pipe (2-1) is connected with the sliding hoop (1-9) through a connecting rod (3); the fixed supporting leg pipe (2-1) is in sliding sleeve joint with the telescopic supporting leg pipe (2-2), the controllable gas spring (2-3) is arranged between the fixed supporting leg pipe (2-1) and the telescopic supporting leg pipe (2-2), and an operating handle of the controllable gas spring (2-3) is positioned at the upper part of the fixed supporting leg pipe (2-1); the bottom of the telescopic supporting leg pipe (2-2) is also provided with a caster (2-4) with a locking pressing plate;

the top end of the strut (1) is provided with a cloud deck (5) through a rotary adjusting mechanism (4); the rotary adjusting mechanism (4) comprises a top seat (4-1), a rotating seat (4-2) and a sliding seat (4-3), wherein the top seat (4-1) is fixed at the top end of the support column (1), the rotating seat (4-2) is in running fit with the top seat (4-1), a rotating angle positioning button (4-4) used for locking the rotating seat (4-2) is arranged on the side wall of the top seat (4-1), the sliding seat (4-3) is in horizontal sliding fit with the rotating seat (4-2), a screw adjusting mechanism (4-5) is arranged between the rotating seat (4-2) and the sliding seat (4-3), and the cradle head (5) is fixed on the sliding seat (4-3).

2. A tripod apparatus for facilitating its manipulation according to claim 1, wherein: the platform (1-1) is also provided with a top cover (6) for covering the upper synchronous belt wheel (1-2), the worm wheel (1-3) and the worm (1-4).

3. A tripod apparatus according to claim 1 or 2, wherein: the three groups of supporting legs (2) are equally hinged on the periphery of the platform (1-1).

4. A tripod apparatus for facilitating its manipulation according to claim 1, wherein: the sliding seat (4-3) is connected with the rotating seat (4-2) in a sliding mode through a dovetail groove.

5. A tripod apparatus according to claim 1 or 2, wherein: tensioning bolts used for adjusting tensioning force of the synchronous belts (1-8) are further arranged between the bottom supports (1-6) and the bottoms of the support columns (1), tensioning bolt holes (1-6-1) matched with the tensioning bolts are formed in the bottom supports (1-6), and baffles abutted against the tensioning bolts are arranged at the bottoms of the support columns (1).

6. A method of operating a tripod apparatus according to claim 1, comprising the steps of:

s1, shaking a hand wheel (1-5), driving a sliding hoop (1-9) to slide on a support column (1) by using a synchronous belt (1-8), driving three groups of support legs (2) to be opened to a proper angle through a connecting rod (3), and locking the opening angles of the three groups of support legs (2) under the action of a worm gear mechanism;

s2, respectively pulling operating handles of controllable gas springs (2-3) of the three groups of supporting legs (2), and adjusting the extension lengths of the three groups of supporting legs (2) according to requirements;

s3, respectively treading down locking pressing plates of casters (2-4) at the bottoms of the three groups of supporting legs (2) to fix the position of the triangular support device;

and S4, installing instrument equipment.