CN111998208B - Telescopic photographic support intensity detection device - Google Patents

Telescopic photographic support intensity detection device Download PDF

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Publication number
CN111998208B
CN111998208B CN202010859548.7A CN202010859548A CN111998208B CN 111998208 B CN111998208 B CN 111998208B CN 202010859548 A CN202010859548 A CN 202010859548A CN 111998208 B CN111998208 B CN 111998208B
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China
Prior art keywords
cavity
end wall
shaft
block
shaking
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CN202010859548.7A
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Chinese (zh)
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CN111998208A (en
Inventor
李佳浩
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Nanjing Tangyi Technology Innovation Service Co.,Ltd.
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Nanjing Tangyi Technology Innovation Service Co ltd
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Priority to CN202010859548.7A priority Critical patent/CN111998208B/en
Publication of CN111998208A publication Critical patent/CN111998208A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
    • F16M11/32—Undercarriages for supports with three or more telescoping legs
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/56—Accessories

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

The invention discloses a strength detection device for a telescopic photographic bracket, which comprises a machine body, wherein a detection cavity with a forward opening is arranged in the machine body, a cam cavity with an upward opening is arranged in the middle of the lower end wall of the detection cavity, and a recovery cavity with an upward opening and positioned in front of the cam cavity is arranged in front of the lower end wall of the detection cavity.

Description

Telescopic photographic support intensity detection device
Technical Field
The invention relates to the technical field of photographic support detection, in particular to a telescopic photographic support strength detection device.
Background
The camera man is when shooing object or scenery with the camera, can use the camera mount usually, conventional camera mount possesses flexible function mostly, fix the camera through three support, so the quality of support has decided the quality of camera, in daily life, when we open or retrieve the support, usually can not open or retrieve the direction of exerting oneself that makes wantonly, it has certain contained angle to retrieve the direction of force of opening the in-process and the direction of motion of support more, this stability after will making the support use for a long time receives the harm, and to the anti fatigue of the moving direction of support of camera support check out test that equipment usually only used to the support, the function is single, can not detect the long-time life that uses under complicated and repeated atress condition to the support.
Disclosure of Invention
Aiming at the technical defects, the invention provides a device for detecting the strength of a telescopic camera support, which can overcome the defects.
The invention relates to a strength detection device of a telescopic photographic support, which comprises a machine body, wherein a detection cavity with a forward opening is arranged in the machine body, a cam cavity with an upward opening is arranged in the middle of the lower end wall of the detection cavity, a recovery cavity with an upward opening and positioned in the front of the cam cavity is arranged in the front of the lower end wall of the detection cavity, a bending device is arranged in the cam cavity, the bending device comprises a lifting block which is arranged in the cam cavity in a sliding manner, the upper side of the lifting block can move into the detection cavity, a lifting spring is fixedly connected between the lifting block and the upper end wall of the cam cavity, a threaded cavity is arranged on the upper side of the detection cavity, an extrusion device is arranged in the threaded cavity, a belt wheel cavity is arranged on the upper side of the threaded cavity, a connecting cavity positioned in the belt wheel cavity is arranged on the right side of the threaded cavity, a middle, the left side in middle chamber is provided with the ratchet chamber, be provided with clamping device in the ratchet chamber, the left side in ratchet chamber is provided with the restriction chamber, the downside in middle chamber be provided with the left side with what detect the chamber intercommunication rocks the chamber, it is provided with the device of dragging to rock the intracavity, drag the device including fixed set up in rock the main motor in the chamber upper end wall, the lower terminal surface that rocks the chamber slides and is provided with the left side and can remove extremely what detect the intracavity rocks the piece, it is provided with the opening towards the left tight chamber of clamp to rock the piece, the upper end wall of the left side opening part of rocking the chamber be provided with opening down and upside with the pressure chamber of restriction chamber intercommunication.
Preferably, the pulling device comprises a rectangular rack fixedly arranged on the right end face of the shaking block and slidably connected with the lower end face of the shaking cavity, a transmission cavity is formed in the lower side of the shaking cavity, a motor shaft is rotatably arranged on the main motor, the upper side of the motor shaft penetrates through the middle cavity and extends into the connection cavity, the lower side of the motor shaft penetrates through the shaking cavity and extends into the transmission cavity, a sector gear which is located in the shaking cavity and is meshed with the inner side end wall of the rectangular rack is fixedly arranged on the motor shaft, a fixed clamping block which is parallel to the shaking block is fixedly arranged in the left end wall of the detection cavity, and a clamping block, the upper side of which extends into the shaking cavity and is slidably connected with the upper end wall of the left opening of the shaking cavity, is slidably arranged on the upper end.
Preferably, the bending device comprises a power cavity arranged between the cam cavity and the transmission cavity, a transmission shaft is rotatably arranged in the left end wall of the transmission cavity, the left side of the transmission shaft penetrates through the power cavity and extends into the cam cavity, the right side of the transmission shaft is connected with the lower side of the motor shaft through a pair of bevel gear pairs, a lifting cam positioned on the lower side of the lifting block is fixed on the left side of the transmission shaft, the lifting cam is in contact with the lower end surface of the lifting block and can enable the lifting block to slide up and down, an isolation plate which can move into the detection cavity, is in contact with the upper end wall of the detection cavity and enables the detection cavity to be isolated from the outside is arranged in the recovery cavity in a sliding manner, a recovery spring is fixedly connected between the lower end surface of the isolation plate and the lower end wall of the recovery cavity, a winding cavity is arranged on the lower side of the recovery cavity, and an intermittent cavity is arranged on the, the right-hand member wall in spiral chamber rotates and is provided with the right side and extends to the spool in the intermittent type intracavity, the right-hand member wall in intermittent type chamber rotates and is provided with the right side and extends to power shaft in the power chamber, the right side of power shaft with through a set of belt pulley connection between the transmission axle, intermittent type intracavity threaded connection have with power shaft splined connection and can with spool splined connection's intermittent type piece, the left side of spool is fixed with the isolation reel, the winding is installed the isolation rope on the isolation reel, the other end of isolation rope extends to retrieve the intracavity and with terminal surface fixed connection under the division board.
Preferably, the clamping device comprises a rotating shaft which is rotatably arranged on the right end wall of the ratchet cavity and the right side of the rotating shaft extends into the middle cavity, the right side of the rotating shaft is connected with the motor shaft through a pair of bevel gear pairs, a rotating wheel which is rotatably arranged in the ratchet cavity is fixed on the left side of the rotating shaft, a rotating cavity with an opening facing left is arranged in the rotating wheel, a pressure shaft with a left side extending into the limiting cavity is rotatably arranged on the left end wall of the ratchet cavity, a ratchet cavity is fixedly arranged on the right side of the pressure shaft, a fixing rod is fixedly arranged on the inner end wall of the rotating cavity, a pawl is rotatably arranged on the fixing rod, a torsion spring is fixedly connected between the pawl and the fixing rod, the pawl can be in close contact with outer teeth of the ratchet cavity, and the friction force of the pawl on the ratchet cavity is greater than the load force on the ratchet cavity through the, the left side of pressure shaft is fixed with and is located the pressure wheel of restriction intracavity, it can move to slide to be provided with the downside in the pressure chamber rock the left side opening part in chamber and with press from both sides tight piece sliding connection's pressure piece, the up end right side of pressure piece with fixedly connected with pressure spring between the up end wall right side of pressure chamber, the up end of pressure piece with the pressure wheel contacts all the time.
Preferably, the extruding device comprises a threaded plate slidably disposed in the threaded cavity, lifting rods slidably disposed on the lower end wall of the threaded cavity and extending into the detection cavity from the lower side are fixed on the lower end surface of the threaded plate in a left-right symmetry manner, a lower pressing block which is arranged in the detection cavity in a sliding manner is fixed on the lower side of the lifting rod, contact heads are fixed on the lower end surface of the lower pressing block in a bilateral symmetry manner, a threaded rod which is connected with the threaded plate in a threaded manner and extends into the belt wheel cavity from the upper side is rotatably arranged between the upper end wall and the lower end wall of the threaded cavity, the connecting cavity is internally in threaded connection with a connecting block connected with a motor shaft spline, the upper end wall of the connecting cavity is rotatably provided with a driving shaft the upper side of which extends into the belt wheel cavity, the downside of driving shaft can with the upside splined connection of connecting block, the upside of driving shaft with the upside of threaded rod is through a set of belt pulley connection.
The beneficial effects are that: the invention can detect repeated stretching and recovery of the photographic support, and can apply external force in other directions to the photographic support in the detection process, so that the detection of the photographic support is more suitable for the actual use condition of daily life, the detection can be more suitable for the actual situation to improve the defects, the quality of the support is improved, and the satisfaction degree of a user is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of a device for detecting strength of a telescopic camera stand according to the present invention;
FIG. 2 is a sectional view of the structure taken along the line A-A in FIG. 1;
FIG. 3 is a sectional view of the structure taken along the line B-B in FIG. 2;
fig. 4 is an enlarged structural view at C in fig. 1.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a strength detection device for a telescopic photographic support, which comprises a machine body 10, wherein a detection cavity 37 with a forward opening is arranged in the machine body 10, a cam cavity 34 with an upward opening is arranged in the middle of the lower end wall of the detection cavity 37, a recovery cavity 41 with an upward opening and positioned at the front side of the cam cavity 34 is arranged at the front side of the lower end wall of the detection cavity 37, a bending device is arranged in the cam cavity 34 and comprises a lifting block 35 which is arranged in the cam cavity 34 in a sliding manner and can move to the detection cavity 37 at the upper side, a lifting spring 32 is fixedly connected between the lifting block 35 and the upper end wall of the cam cavity 34, a threaded cavity 12 is arranged at the upper side of the detection cavity 37, an extrusion device is arranged in the threaded cavity 12, a belt wheel cavity 14 is arranged at the upper side of the threaded cavity 12, a connecting cavity 18 positioned at the lower side of the belt wheel cavity 14 is arranged at the right side of the threaded, the lower side of the connecting cavity 18 is provided with a middle cavity 21, the left side of the middle cavity 21 is provided with a ratchet cavity 54, a clamping device is arranged in the ratchet cavity 54, the left side of the ratchet cavity 54 is provided with a limiting cavity 51, the lower side of the middle cavity 21 is provided with a rocking cavity 25, the left side of which is communicated with the detection cavity 37, the rocking cavity 25 is internally provided with a pulling device, the pulling device comprises a main motor 23 fixedly arranged in the upper end wall of the rocking cavity 25, the lower end face of the rocking cavity 25 is provided with a rocking block 29, the left side of which can move into the detection cavity 37 in a sliding manner, the rocking block 29 is internally provided with a clamping cavity 22, the opening of which faces left, and the upper end wall of the opening at the left side of the rocking cavity 25 is provided with a pressure cavity 60, the opening of which faces down and the upper side.
Beneficially, the pulling device includes a rectangular rack 27 fixedly disposed on a right end face of the shaking block 29 and slidably connected to a lower end face of the shaking cavity 25, a transfer cavity 28 is disposed on a lower side of the shaking cavity 25, a motor shaft 20 is rotatably disposed on the main motor 23, an upper side of the motor shaft passes through the intermediate cavity 21 and extends into the connection cavity 18, a lower side of the motor shaft passes through the shaking cavity 25 and extends into the transfer cavity 28, a sector gear 26 is fixed on the motor shaft 20 and is located in the shaking cavity 25 and engaged with an inner side end wall of the rectangular rack 27, a fixed clamping block 36 flush with the shaking block 29 is fixed in a left end wall of the detection cavity 37, and a clamping block 24 is slidably disposed on an upper end wall of an opening on a left side of the shaking cavity 25 and extends into the shaking cavity 25.
Beneficially, the bending device includes a power cavity 30 disposed between the cam cavity 34 and the transfer cavity 28, the transfer shaft 31 is rotatably disposed in the left end wall of the transfer cavity 28, the left side of the transfer shaft 31 passes through the power cavity 30 and extends into the cam cavity 34, the right side of the transfer shaft 31 is connected to the lower side of the motor shaft 20 through a pair of bevel gear pairs, the left side of the transfer shaft 31 is fixed with a lifting cam 33 located on the lower side of the lifting block 35, the lifting cam 33 is in contact with the lower end surface of the lifting block 35 and can enable the lifting block 35 to slide up and down, a separation plate 40 capable of moving into the detection cavity 37 and contacting with the upper end wall of the detection cavity 37 and isolating the detection cavity 37 from the outside is slidably disposed in the recovery cavity 41, and a recovery spring 44 is fixedly connected between the lower end surface of the separation plate 40 and the lower end wall of the recovery cavity 41, retrieve the downside of chamber 41 and be provided with spiral chamber 46, spiral chamber 46 right side with power chamber 30 left side is provided with intermittent type chamber 49, the right-hand member wall rotation in spiral chamber 46 is provided with the right side and extends to spiral 47 in the intermittent type chamber 49, the right-hand member wall rotation in intermittent type chamber 49 is provided with the right side and extends to power shaft 43 in the power chamber 30, the right side of power shaft 43 with pass through a set of belt pulley connection between the transmission shaft 31, intermittent type chamber 49 female connection have with power shaft 43 splined connection and can with spiral 47 splined connection's intermittent type piece 48, the left side of spiral 47 is fixed with keeps apart reel 45, keep apart reel 45 and go up the winding and install isolation rope 42, the other end of isolation rope 42 extend to retrieve in the chamber 41 and with terminal surface fixed connection under the division board 40.
Advantageously, the clamping device comprises a rotating shaft 56 rotatably disposed on the right end wall of the ratchet cavity 54 and extending right into the middle cavity 21, the right side of the rotating shaft 56 is connected with the motor shaft 20 through a pair of bevel gear pairs, a rotating wheel 53 rotatably disposed in the ratchet cavity 54 is fixed on the left side of the rotating shaft 56, a rotating cavity 55 with an opening facing left is disposed in the rotating wheel 53, a pressure shaft 52 extending left into the limiting cavity 51 is rotatably disposed on the left end wall of the ratchet cavity 54, a ratchet cavity 57 is fixed on the right side of the pressure shaft 52 in the rotating cavity 55, a fixing rod 59 is fixedly disposed on the inner end wall of the rotating cavity 55, a pawl 58 is rotatably disposed on the fixing rod 59, a torsion spring is fixedly connected between the pawl 58 and the fixing rod 59, the pawl 58 can be in close contact with the outer teeth of the ratchet cavity 57, and the friction force generated by the pawl 58 to the ratchet cavity 57 is greater than the load force on the ratchet cavity 57 through the torsion spring, the left side of the pressure shaft 52 is fixed with the pressure wheel 50 positioned in the limiting cavity 51, the pressure cavity 60 is internally provided with a pressure block 39, the lower side of which can move to the opening at the left side of the shaking cavity 25 and is in sliding connection with the clamping block 24, the pressure spring 62 is fixedly connected between the right side of the upper end face of the pressure block 39 and the right side of the upper end wall of the pressure cavity 60, and the upper end face of the pressure block 39 is always in contact with the pressure wheel 50.
Advantageously, the pressing device comprises a threaded plate 11 slidably disposed in the threaded cavity 12, a lifting rod 13 slidably disposed in the lower end wall of the threaded cavity 12 and extending downward into the detection cavity 37 is fixed on the lower end surface of the threaded plate 11 in a bilateral symmetry manner, a lower pressing block 16 slidably disposed in the detection cavity 37 is fixed on the lower side of the lifting rod 13, a contact head 38 is fixed on the lower end surface of the lower pressing block 16 in a bilateral symmetry manner, a threaded rod 15 in threaded connection with the threaded plate 11 and extending upward into the pulley cavity 14 is rotatably disposed between the upper end wall and the lower end wall of the threaded cavity 12, a connecting block 17 in splined connection with the motor shaft 20 is screwed into the connecting cavity 18, an upper end wall of the connecting cavity 18 is rotatably disposed with a driving shaft 19 extending upward into the pulley cavity 14, and the lower side of the driving shaft 19 can be in splined connection with the upper side of the connecting block 17, the upper side of the driving shaft 19 is connected with the upper side of the threaded rod 15 through a group of belt pulleys.
In an initial state, the lower pressing block 16 is positioned at the uppermost side of the detection cavity 37, the lifting block 35 is positioned in the cam cavity 34, the pressure block 39 is positioned in the pressure cavity 60, the intermittent block 48 is connected with the winding shaft 47, the connecting block 17 is connected with the driving shaft 19, the right side of the rectangular rack 27 is contacted with the right end wall of the shaking cavity 25, and the sector gear 26 is meshed with the front end face of the inner side of the rectangular rack 27.
When the camera support starts to work, the right side of the camera support is placed into the clamping cavity 22, the left side of the camera support is fixedly connected with the fixed clamping block 36, the main motor 23 is started, the motor shaft 20 is driven to rotate, the rotating shaft 56 is driven to rotate through the pair of bevel gear pairs, the rotating wheel 53 is driven to rotate, the ratchet cavity 57 is driven to rotate through the pawl 58, the pressure wheel 50 is driven to rotate through the pressure shaft 52, the pressure block 39 moves downwards, the clamping block 24 moves downwards to clamp the camera support, when the pressure block 39 cannot move downwards, the load force of the ratchet cavity 57 is larger than the friction force of the pawl 58 on the ratchet cavity 57, the rotating wheel 53 idles, the ratchet cavity 57 stops, and the motor shaft 20 drives the connecting block 17 to rotate and move downwards, so that the connecting block 17 drives the driving shaft 19 to rotate, and the threaded rod 15 is driven to rotate through the set of belt pulleys, thereby moving the screw plate 11 downward, driving the lower pressing block 16 downward through the elevating rod 13, further driving the detection chamber 37 downward, when the contact head 38 is contacted with and pressed against the photographing bracket, the connecting block 17 is disconnected from the driving shaft 19, and at the same time, the motor shaft 20 drives the sector gear 26 to rotate, so that the rectangular rack 27 moves to the left, thereby moving the shaking block 29 to the left, when the shaking block 29 moves to the leftmost side of the movable stroke, the sector gear 26 is disengaged from the front end face of the inner side of the rectangular rack 27 and engaged with the rear end face, thereby moving the shaking block 29 to the right, thereby reciprocating, and the motor shaft 20 drives the transmission shaft 31 to rotate through a pair of bevel gear pairs, thereby driving the elevating cam 33 to rotate, thereby the elevating block 35 reciprocates up and down under the action of the elevating spring 32, and further, the elevating block 35 performs reciprocating extrusion up and down with the photographing bracket, and then detect the tough degree of the material when the photography support slides after being acted by external force, at the same time, the transmission shaft 31 drives the power shaft 43 to rotate on a group of belt pulleys, so as to drive the intermittent block 48 to rotate and make the intermittent block 48 move to the right side, so as to drive the winding shaft 47 to rotate and drive the isolation winding wheel 45 to rotate, so that the isolation rope 42 loosens from the isolation winding wheel 45, so as to make the isolation board 40 move upwards under the action of the recovery spring 44 and tightly contact with the upper end wall of the detection cavity 37, at this time, the intermittent block 48 is disconnected from the winding shaft 47, so as to prevent the fragments generated by the fragmentation of the photography support in the detection from hurting the outside personnel, after the detection is finished, the main motor 23 rotates reversely, so as to make the pressure block 39 reset upwards under the action of the pressure spring 62 through the transmission, so as to release the clamping of the photography support, so as to make the connecting block 17 move upwards, and then the lower pressing block 16 is reset upwards, and at the same time, the intermittent block 48 is moved towards the left side through the transmission and is connected with the winding shaft 47, and then the isolation rope 42 is gradually wound on the isolation winding wheel 45, so that the isolation plate 40 is reset downwards, and then the shooting bracket is taken out for data collection.
The beneficial effects are that: the invention can detect repeated stretching and recovery of the photographic support, and can apply external force in other directions to the photographic support in the detection process, so that the detection of the photographic support is more suitable for the actual use condition of daily life, the detection can be more suitable for the actual situation to improve the defects, the quality of the support is improved, and the satisfaction degree of a user is improved.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims (1)

1. The utility model provides a telescopic photography support intensity detection device, includes the organism, its characterized in that: a detection cavity with a forward opening is arranged in the machine body, a cam cavity with an upward opening is arranged in the middle of the lower end wall of the detection cavity, a recovery cavity with an upward opening is arranged on the front side of the lower end wall of the detection cavity, a bending device is arranged in the cam cavity, the bending device comprises a lifting block which is arranged in the cam cavity in a sliding manner, the upper side of the lifting block can move into the detection cavity, a lifting spring is fixedly connected between the lifting block and the upper end wall of the cam cavity, a threaded cavity is arranged on the upper side of the detection cavity, an extrusion device is arranged in the threaded cavity, a belt wheel cavity is arranged on the upper side of the threaded cavity, a connection cavity arranged on the lower side of the belt wheel cavity is arranged on the right side of the threaded cavity, a middle cavity is arranged on the lower side of the connection cavity, a ratchet cavity is arranged on the left side of the middle cavity, a limiting cavity is arranged on the left side of the ratchet cavity, a shaking cavity with the left side communicated with the detection cavity is arranged on the lower side of the middle cavity, a pulling device is arranged in the shaking cavity and comprises a main motor fixedly arranged in the upper end wall of the shaking cavity, a shaking block with the left side capable of moving into the detection cavity is arranged on the lower end face of the shaking cavity in a sliding mode, a clamping cavity with an opening facing left is arranged in the shaking block, and a pressure cavity with an opening facing down and an upper side communicated with the limiting cavity is arranged on the upper end wall of the opening on the left side of the shaking cavity; the pulling device comprises a rectangular rack fixedly arranged on the right end face of the shaking block and slidably connected with the lower end face of the shaking cavity, a transmission cavity is arranged on the lower side of the shaking cavity, a motor shaft with the upper side penetrating through the middle cavity and extending into the connection cavity and the lower side penetrating through the shaking cavity and extending into the transmission cavity is rotatably arranged on the main motor, a sector gear which is positioned in the shaking cavity and meshed with the inner side end wall of the rectangular rack is fixedly arranged on the motor shaft, a fixed clamping block which is flush with the shaking block is fixedly arranged in the left end wall of the detection cavity, and a clamping block with the upper side extending into the shaking cavity and slidably connected with the upper end wall of the left opening of the shaking cavity is slidably arranged on the upper end wall of the clamping cavity; the bending device comprises a power cavity arranged between the cam cavity and the transmission cavity, a transmission shaft is rotatably arranged in the left end wall of the transmission cavity, the left side of the transmission shaft penetrates through the power cavity and extends into the cam cavity, the right side of the transmission shaft is connected with the lower side of the motor shaft through a pair of bevel gear pairs, a lifting cam positioned on the lower side of the lifting block is fixed on the left side of the transmission shaft, the lifting cam is in contact with the lower end surface of the lifting block and can enable the lifting block to slide up and down, an isolation plate which can move into the detection cavity, is in contact with the upper end wall of the detection cavity and enables the detection cavity to be isolated from the outside is arranged in the recovery cavity in a sliding manner, a recovery spring is fixedly connected between the lower end surface of the isolation plate and the lower end wall of the recovery cavity, a coiling cavity is arranged on the lower side of the recovery cavity, and an intermittent cavity is arranged on, the winding device comprises a winding cavity, a winding shaft, a transmission shaft, an intermittent block, an isolation winding wheel, an isolation rope and a winding plate, wherein the right end wall of the winding cavity is rotatably provided with the winding shaft, the right side of the winding shaft extends into the intermittent cavity, the right end wall of the intermittent cavity is rotatably provided with the power shaft, the right side of the power shaft extends into the power cavity, the right side of the power shaft is connected with the transmission shaft through a group of belt pulleys, the intermittent block which is connected with the power shaft through a spline and can be connected with the winding shaft through a spline is in threaded connection with the intermittent cavity, the left side of the winding shaft is fixedly provided with the isolation winding wheel, the isolation winding wheel is wound; the clamping device comprises a rotating shaft which is rotatably arranged on the right end wall of the ratchet cavity, the right side of the rotating shaft extends into the middle cavity, the right side of the rotating shaft is connected with the motor shaft through a pair of bevel gear pairs, a rotating wheel which is rotatably arranged in the ratchet cavity is fixed on the left side of the rotating shaft, a rotating cavity with an opening facing left is arranged in the rotating wheel, a pressure shaft with a left side extending into the limiting cavity is rotatably arranged on the left end wall of the ratchet cavity, a ratchet cavity is fixedly arranged in the right side of the pressure shaft, a fixed rod is fixedly arranged on the inner end wall of the rotating cavity, a pawl is rotatably arranged on the fixed rod, a torsion spring is fixedly connected between the pawl and the fixed rod, the pawl can be in close contact with outer teeth of the ratchet cavity, and the friction force of the pawl on the ratchet cavity is greater than the load force on the ratchet cavity through, a pressure wheel positioned in the limiting cavity is fixed on the left side of the pressure shaft, a pressure block which is provided with a lower side capable of moving to the left opening of the shaking cavity and is in sliding connection with the clamping block is arranged in the pressure cavity in a sliding mode, a pressure spring is fixedly connected between the right side of the upper end face of the pressure block and the right side of the upper end wall of the pressure cavity, and the upper end face of the pressure block is always in contact with the pressure wheel; the extruding device comprises a threaded plate which is arranged in the threaded cavity in a sliding manner, lifting rods which are arranged on the lower end wall of the threaded cavity in a sliding manner and extend into the detection cavity from the lower side are fixed on the lower end surface of the threaded plate in a left-right symmetry manner, a lower pressing block which is arranged in the detection cavity in a sliding manner is fixed on the lower side of the lifting rod, contact heads are fixed on the lower end surface of the lower pressing block in a bilateral symmetry manner, a threaded rod which is connected with the threaded plate in a threaded manner and extends into the belt wheel cavity from the upper side is rotatably arranged between the upper end wall and the lower end wall of the threaded cavity, the connecting cavity is internally in threaded connection with a connecting block connected with a motor shaft spline, the upper end wall of the connecting cavity is rotatably provided with a driving shaft the upper side of which extends into the belt wheel cavity, the downside of driving shaft can with the upside splined connection of connecting block, the upside of driving shaft with the upside of threaded rod is through a set of belt pulley connection.
CN202010859548.7A 2020-08-24 2020-08-24 Telescopic photographic support intensity detection device Active CN111998208B (en)

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Application Number Priority Date Filing Date Title
CN202010859548.7A CN111998208B (en) 2020-08-24 2020-08-24 Telescopic photographic support intensity detection device

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Application Number Priority Date Filing Date Title
CN202010859548.7A CN111998208B (en) 2020-08-24 2020-08-24 Telescopic photographic support intensity detection device

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CN111998208A CN111998208A (en) 2020-11-27
CN111998208B true CN111998208B (en) 2021-07-13

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