CN218626285U - Elevating gear that inspection was used is shot to superelevation pier stud video - Google Patents

Abstract

The application discloses a lifting device for video shooting and checking of ultrahigh pier stud, which comprises a camera component, a lifting component and a support frame, wherein the lifting component comprises an outer support cylinder, an inner guide cylinder, a lifting rod, a driving mechanism, a guide mechanism and a lock position sleeve; the camera shooting assembly is arranged at the upper end of the lifting rod. This application is through control lifting unit, can make the subassembly of making a video recording reach the designated height, shoots the unable pier stud check point that reaches or reach the degree of difficulty big of people, and its security is high, and economy, does not account for the way, can not lead to the fact the influence to current.

Description

Elevating gear that inspection was used is shot to superelevation pier stud video

Technical Field

The application relates to pier stud inspection field, concretely relates to elevating gear of inspection usefulness is shot to superelevation pier stud video.

Background

Pier stud, the lower bearing weight that is used for bearing superstructure in civil engineering. The cross section of the pier column is circular, and the pier column also has anisotropic pier columns such as ellipse, square, curve and parabola. The method is an important component in the projects such as bridges such as highway bridges, railway bridges, sidewalks, overpasses, ramp bridges, overpasses and the like.

Pier stud is pouring the shaping after, must regularly inspect to and early discovery hidden danger, among the prior art, adopt mechanical equipment to build the platform, the people detects after reacing the platform, this type of detection mode is troublesome hard, is used for daily when examining moreover, still can account for the construction of saying, influences the normal operating of vehicle.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present application provides a lifting device for video shooting and inspection of an ultrahigh pier stud, so as to solve the above technical problems.

The application provides a lifting device for video shooting and checking of an ultrahigh pier stud, which comprises a camera shooting assembly, a lifting assembly and a supporting frame;

the center of the upper end of the supporting frame is provided with a lifting component;

the lifting assembly comprises an outer supporting cylinder, an inner guiding cylinder, a lifting rod, a driving mechanism, a guiding mechanism and a locking sleeve, wherein end holes which are coaxial and communicated with an inner cavity of the outer supporting cylinder are formed in the upper end and the lower end of the outer supporting cylinder, a main body of the inner guiding cylinder is arranged in the inner cavity of the outer supporting cylinder, an annular cavity is formed between the outer cylinder wall of the inner guiding cylinder and the inner cylinder wall of the outer supporting cylinder, two ends of the inner guiding cylinder penetrate through the end holes corresponding to the outer supporting cylinder and then are locked and fixed outside the outer supporting cylinder through the two locking sleeves which are pressed against the upper end surface and the lower end surface of the outer supporting cylinder and fixedly sleeved on the upper end and the lower end of the inner guiding cylinder, the driving mechanism and the guiding mechanism are correspondingly and fixedly arranged in the annular cavity up and down, a driving through hole and a guiding through hole are formed in the cylinder wall of the inner guiding cylinder, the lifting rod is movably sleeved in the inner guiding cylinder, the rod wall of the lifting rod is a driven part, the driving part of the driving mechanism movably penetrates through the driving through hole and is in driving connection with the driven part so that the lifting rod is driven by the driving mechanism to drive the lifting rod, and the guiding part of the guiding mechanism is tightly attached to the driven part;

the camera shooting component is arranged at the upper end of the lifting rod and synchronously lifted along with the lifting rod. Optionally, the driving mechanism includes two opposite clamping plates, a driving wheel is rotatably disposed between the upper ends of the two first clamping plates, a driving motor is fixedly disposed on the outer side of the upper end of any one of the first clamping plates, an output shaft of the driving motor movably penetrates through the first clamping plate and is in driving connection with the driving wheel, a first clamping wheel is rotatably disposed between the lower ends of the two first clamping plates, one end of the first support is fixedly connected with the inner guide cylinder, two sides of the other end of the first support are hinged to the middle portions of the two first clamping plates, the first clamping ring is fixedly disposed on the inner cylinder wall of the outer support cylinder, the first clamping ring has a conical surface in abutting-pressing fit with the first clamping wheel, the upper and lower relative positions of the inner guide cylinder and the outer support cylinder are changed by adjusting the connecting position of the locking sleeve and the inner guide cylinder, the position of the first clamping wheel abutting-pressing conical surface is changed, and finally the driving coefficient of the driving wheel and the driven part is changed by rotating the first clamping plate.

Optionally, the outer wall of the upper end and the outer wall of the lower end of the inner guide cylinder are both provided with external threads, and the locking sleeve is provided with internal threads matched with the external threads of the outer inner guide cylinder.

Optionally, the number of the driving mechanisms is multiple, and the driving mechanisms are uniformly arranged along the circumferential direction of the outer cylinder wall of the inner guide cylinder.

Optionally, the guide mechanism includes two guide wheels, a second pinch roller, a second pinch ring, a second connecting seat and a second clamp plate, the two second clamp plates are arranged oppositely, the guide wheel is rotatably arranged between the upper ends of the two second clamp plates, the second pinch roller is rotatably arranged between the lower ends of the two second clamp plates, one end of the second connecting seat is fixedly connected with the inner guide cylinder, two sides of the other end of the second connecting seat are hinged to the middle portions of the two second clamp plates, the second pinch ring is fixedly arranged on the inner cylinder wall of the outer support cylinder, the second pinch ring has a conical surface in abutting-pressing fit with the second pinch roller, the upper and lower relative positions of the inner guide cylinder and the outer support cylinder are changed by adjusting the connecting position of the locking sleeve and the inner guide cylinder, the position where the first pinch roller abuts against the conical surface of the first pinch ring is changed, and finally the compression coefficient of the matching surface of the guide wheel and the driven part is changed by rotating the second clamp plate.

Optionally, the number of the driving mechanisms is multiple, and the driving mechanisms are uniformly arranged along the circumferential direction of the outer cylinder wall of the inner guide cylinder.

Optionally, the driven part is along lifter axial extension and along the first unsmooth strip groove of lifter circumference interval distribution, the anchor ring of leading wheel and drive wheel all is provided with the damping circle, the axial evenly distributed of damping circle has the second unsmooth groove that extends and laminate with first unsmooth strip groove along damping circle circumference.

Optionally, the support frame includes diagonal braces, auxiliary braces, lock rods and support legs, the diagonal braces are three and enclose into a triangular pyramid structure, the upper end of each diagonal brace is hinged to the upper portion of the outer cylinder wall of the outer support cylinder, the lower end of each diagonal brace is provided with the support leg, the auxiliary braces and the diagonal braces are arranged in a one-to-one correspondence manner, the upper end of each auxiliary brace is hinged to the lower portion of the outer cylinder wall of the outer support cylinder, the lower end of each auxiliary brace is hinged to the upper portion of each diagonal brace, each lock rod encloses into a triangular structure, and each lock rod is detachably connected with the diagonal brace.

The beneficial effect of this application:

1. the utility model provides a elevating gear that inspection was used is shot to superelevation pier stud video through control lifting unit, can make the subassembly of making a video recording reach the designated height, can shoot the unable pier stud check point that reachs the degree of difficulty or reach, sends the assigned position through large-scale mechanical equipment with the people among the prior art and shoots and compare, and its security is higher, and economy, to the pier stud that needs daily detection, the people can operate in pier stud below, does not account for the way inspection, can not cause the influence to passing.

2. According to the lifting device for video shooting and inspection of the ultrahigh pier stud, the contact positions of the first pressing wheel and the first pressing ring and the contact positions of the second pressing ring and the second pressing ring are changed simultaneously by adjusting the vertical relative positions of the inner guide cylinder and the outer support cylinder, and further the compression degrees of the driving wheel, the guide wheel and the lifting rod are changed simultaneously, namely, the compression force between the lifting rod and the driving mechanism and between the lifting rod and the guiding mechanism can be adjusted by adjusting the vertical relative positions of the inner guide cylinder and the outer support cylinder, and finally the driving mechanism and the guiding mechanism act together to drive the lifting rod to lift.

Drawings

Fig. 1 is a schematic perspective view of a lifting device for video shooting and inspection of an ultrahigh pier stud according to an embodiment of the present application;

FIG. 2 is a perspective view of the stand of FIG. 1;

FIG. 3 is a perspective view of the outer barrel and the lift assembly of FIG. 2;

FIG. 4 is an exploded view of FIG. 3;

FIG. 5 is a schematic view of the inner guide cylinder, drive mechanism, guide mechanism and capture sleeve of FIG. 4;

FIG. 6 is a schematic view of the engagement of the inner guide cylinder with the capture sleeve of FIG. 5;

FIG. 7 is a perspective view of the drive mechanism of FIG. 6;

FIG. 8 is a schematic perspective view of the guide mechanism of FIG. 6;

FIG. 9 is an exploded view of the outer support basket of FIG. 2;

the support 100, the inclined strut 101, the connecting hole 1011, the auxiliary strut 102, the lock rod 103, the support foot 104 and the locking knob 105;

the lifting group 200, the outer support cylinder 210, the split outer housing 211, the end plate 212, the outer rod 213, the inner guide cylinder 220, the drive through hole 221, the guide through hole 222, the lifting rod 230, the drive mechanism 240, the drive motor 241, the drive wheel 242, the first pinch roller 243, the first pinch ring 244, the first support 245, the first clamp plate 246, the locking sleeve 250, the guide mechanism 260, the guide wheel 261, the second pinch roller 262, the second pinch ring 263, the second connecting seat 264 and the second clamp plate 265.

Detailed Description

The technical solutions of the present application are described in detail below with reference to the accompanying drawings and specific embodiments. In which like parts are designated by like reference numerals.

Referring to fig. 1 to 9, the embodiment of the present application discloses a lifting device for video shooting and inspection of an ultrahigh pier stud, which includes a camera assembly 100, a lifting assembly 200 and a supporting frame 100; wherein, the support frame 100 is used for supporting the lifting unit 200, and the lifting unit 200 is used for driving the subassembly 100 that makes a video recording to go up and down, and the subassembly 100 that makes a video recording is used for shooing the image of the different positions of pier stud.

As shown in fig. 2-6, the center of the upper end of the supporting frame 100 is provided with a lifting assembly 200; the lifting assembly 200 comprises an outer supporting cylinder 210, an inner guiding cylinder 220, a lifting rod 230, a driving mechanism 240, a guiding mechanism 260 and a locking sleeve 250, wherein the upper end and the lower end of the outer supporting cylinder 210 are provided with end holes which are coaxial and communicated with the inner cavity of the outer supporting cylinder 210, the main body of the inner guiding cylinder 220 is arranged in the inner cavity of the outer supporting cylinder 210, an annular cavity is formed between the outer cylinder wall of the inner guiding cylinder 220 and the inner cylinder wall of the outer supporting cylinder 210, two ends of the inner guiding cylinder 220 penetrate through the corresponding end holes of the outer supporting cylinder 210 and are locked outside the outer supporting cylinder 210 through two locking sleeves 250 which are pressed against the upper end surface and the lower end surface of the outer supporting cylinder 210 and are fixedly sleeved on the upper end and the lower end of the inner guiding cylinder 220, the driving mechanism 240 and the guiding mechanism 260 are vertically and correspondingly and fixedly arranged in the annular cavity, the cylinder wall of the inner guiding cylinder 220 is provided with a driving through hole 221 and a guiding through hole 222, the lifting rod 230 is movably sleeved in the inner guiding cylinder 220, the rod wall of the lifting rod 230 is a driven part, and the driving part of the driving mechanism 240 is tightly attached to the driving through hole 221 and is connected with the guiding mechanism 230; the camera assembly 100 is mounted on the upper end of the lifting rod 230 and is lifted synchronously with the lifting rod 230.

When the lifting device for video shooting and inspection of the ultrahigh pier stud is used, the support frame 100 is fixed at a proper position on the ground, if the lifting assembly 200 is leveled, the driving part of the driving mechanism 240 is in driving fit with the driven part of the lifting rod 230 to lift the lifting rod 230, meanwhile, the guiding part of the guiding mechanism 260 is in close fit with the driven part to guide, the guiding mechanism 260 and the driving mechanism 240 are simultaneously in fit with the driven part of the lifting rod 230 to accurately lift the lifting rod 230 according to a preset direction, and when the camera assembly 100 reaches a position to be shot, the lifting assembly 200 stops lifting.

The elevating gear that inspection was used is shot to superelevation pier stud video that this embodiment provided can make subassembly 100 that makes a video recording reach the assigned height through adjusting lifting unit 200, can shoot the unable pier stud check point that reaches or reach the degree of difficulty big of people, sends the assigned position through large-scale mechanical equipment with among the prior art people and shoots and compares, and its security is higher, and economy, to the pier stud that needs daily detection, the people can operate in pier stud below, does not account for the way inspection, can not cause the influence to passing.

Because the height of every pier stud or other body (like the bridge) of being examined differs, and comparatively common pier stud height is between 5m-40m, to the pier stud that highly is higher than pier stud 10m, common portable elevating system stability among the prior art is relatively poor, the lift height is limited, to large-scale elevating system, installation space is difficult to satisfy, elevating system transports wastes time and energy, consequently, this embodiment makes the improvement to actuating mechanism 240, specifically as follows:

as shown in fig. 5-7, the driving mechanism 240 includes a driving motor 241, a driving wheel 242, a first pressing wheel 243, a first pressing ring 244, a first support 245 and a first clamp 246, the first clamp 246 is two oppositely disposed blocks, a width of the middle portion of each first clamp 246 gradually decreases toward two ends, the driving wheel 242 is rotatably disposed between the upper ends of the two first clamp 246, the driving motor 241 is fixedly disposed outside the upper end of any one of the first clamp 246, an output shaft of the driving motor 241 movably passes through the first clamp 246 and is drivingly connected to the driving wheel 242, the first pressing wheel 243 is rotatably disposed between the lower ends of the two first clamp 246, one end of the first support 245 is fixedly connected to the inner guide cylinder 220, two sides of the other end of the first support 245 are hinged to the middle portions of the two first clamp 246, the first pressing ring 244 is fixedly disposed on the inner cylinder wall of the outer support cylinder 210, the first pressing ring 243 has a conical surface in press-fit with the first pressing wheel, the connecting position of the inner guide cylinder 220 and the outer support cylinder 210 is adjusted by adjusting the connecting position of the locking sleeve 250, so that the pressing surface of the inner guide cylinder 220 and the outer support cylinder 210 are changed, and the final driving surface of the pressing ring 243 is changed by changing the driving surface of the driving wheel 242.

In the embodiment of the present application, the two ends of the first clamping plate 246 tilt up or tilt down with the first support 245 as a pivot, when the position of the first clamp ring 244 is moved up, the matching position of the first clamp ring 244 and the first clamp wheel 243 is changed, the first clamp wheel 243 tilts up, the opposite driving wheel 242 and driving motor 241 tilt down, the larger the tilting angle of the lower end of the first clamping plate 246 is, the closer the driving wheel 242 and the driven part are in contact with each other, the larger the pressing force therebetween is, and the higher the stability of the lifting rod 230 is.

As shown in fig. 6, in an alternative embodiment of the present application, the outer wall of the upper end and the outer wall of the lower end of the inner guiding cylinder 220 are both provided with external threads, the position-locking sleeve 250 has internal threads matching with the external threads of the outer guiding cylinder 220, and the position of the first pinch roller 243 can be adjusted by adjusting the positions of the upper and lower position-locking sleeves 250 on the inner guiding cylinder 220, and the adjustment is simple and fast.

In an alternative embodiment of the present application, the number of the driving mechanisms 240 is multiple, and the driving mechanisms 240 are uniformly arranged along the circumferential direction of the outer cylinder wall of the inner guide cylinder 220, preferably, the number of the driving mechanisms 240 is three, four, or six, and the number of the driving mechanisms is determined according to the lifting height during use, wherein when the number of the driving mechanisms 240 is three, and the driving mechanisms surround to form a regular triangle, the three driving mechanisms 240 can perform a three-jaw centering action on the lifting rod 230, so as to ensure that the lifting rod 230 is always located on the central axis of the inner guide cylinder 220, and simultaneously, the driving forces of the three driving mechanisms are balanced.

In an optional embodiment of the present application, the lifting rods 230 are multiple, the multiple lifting rods 230 are connected in a splicing manner, and in a specific use process, the number of the lifting rods 230 can be increased in real time according to the lifting height, so as to meet the requirement of the lifting height.

The following are specifically mentioned: when the lifting rod 230 is more and more, the overall weight of the lifting rod 230 will increase, and at this time, the entire rotation of the driving device needs to be realized by adjusting the abutting position of the first pressing wheel 243 and the conical surface of the first pressing ring 243, so that the pressing force between the driving wheel 242 and the lifting rod 230 is increased, and further, the stable lifting of the lifting rod 243 is realized. Specifically, when the first pressure wheel 243 moves to a position close to the lower end surface of the conical surface of the first pressure ring 243, the included angle between the driving device and the inner guide cylinder 220 increases, the pressing force between the opposite driving wheel 242 and the lifting rod 230 increases, and when the first pressure wheel 243 moves to a position away from the lower end surface of the conical surface of the first pressure ring 243, the included angle between the driving device and the inner guide cylinder 220 decreases, and the pressing force between the opposite driving wheel 242 and the lifting rod 230 decreases.

As shown in fig. 5, 6 and 8, the guiding mechanism 260 includes a guiding wheel 261, a second pressing wheel 262, a second pressing ring 263, a second connecting seat 264 and a second clamping plate 265, the second clamping plate 265 is two oppositely disposed plates, the guiding wheel 261 is rotatably disposed between the upper ends of the two second clamping plates 265, the second pressing wheel 262 is rotatably disposed between the lower ends of the two second clamping plates 265, one end of the second connecting seat 264 is fixedly connected with the inner guiding cylinder 220, both sides of the other end of the second connecting seat 264 are hinged to the middle of the two second clamping plates 265, the second pressing ring 263 is fixedly disposed on the inner cylinder wall of the outer supporting cylinder 210, the second pressing ring 263 has a conical surface in abutting-pressing fit with the second pressing wheel 262, and by adjusting the connecting position of the locking sleeve 250 and the inner guiding cylinder 220, the up-down relative position of the inner guiding cylinder 220 and the outer supporting cylinder 210 is changed, and further the position where the second pressing wheel 262 abuts against the conical surface is changed, and finally the second clamping plate is rotated to change the pressing coefficient of the matching surface of the guiding wheel 261 and the driven part.

In the embodiment of the present application, the material of the rotating surfaces of the guide wheel 261 and the driving wheel 242 is rubber, and the guide wheel 261 and the driving wheel 242 made of the material can increase the pressing force when being matched with the driven part.

In the embodiment of the present application, the plurality of guide mechanisms 260 are uniformly arranged along the circumferential direction of the outer cylinder wall of the inner guide cylinder 220, and preferably, the guide wheels 261 correspond to the driving wheels 242 one by one up and down.

In the embodiment of the present application, the driving mechanism 240 is located below the guiding mechanism 260, and in other alternative embodiments, the driving mechanism 240 may also be located above the guiding mechanism 260.

In the embodiment of the present application, since the first compression ring 244 and the second compression ring 263 are both fixedly connected to the outer support cylinder 210, and the driving mechanism 240 and the guiding mechanism 260 are both fixedly connected to the inner guide cylinder 220, when the up-down relative position of the inner guide cylinder 220 and the outer support cylinder 210 is adjusted, the driving mechanism 240 and the guiding mechanism 260 are synchronously improved with the abutting position of the first compression ring 244 and the second compression ring 263, so that the contact positions of the first compression wheel 243 and the first compression ring 244, and the contact positions of the second compression ring 263 and the second compression ring 263 are simultaneously changed, and finally the degree of compression between the driving wheel 242, the guiding wheel 261 and the lifting rod 230 is simultaneously changed, that is, by adjusting the up-down relative position of the inner guide cylinder 220 and the outer support cylinder 210, the compression force of the driving mechanism 240 and the guiding mechanism 260 on the lifting rod 230 can be adjusted; when the driving mechanism 240 fails, the pressing force of the driving wheel 242 and the guide wheel 261 on the lifting rod 230 can be reduced by adjusting the up-down relative positions of the inner guide cylinder 220 and the outer support cylinder 210, so as to achieve the purpose of lifting during transportation.

In the embodiment of the application, by the first unsmooth strip groove that the drive portion is for extending along the lifter 230 axial and along lifter 230 circumference interval distribution, the anchor ring of leading wheel 261 and drive wheel 242 all is provided with the damping circle, the axial evenly distributed of damping circle has the second unsmooth groove that extends along damping circle circumference and laminate with first unsmooth strip groove, set up first unsmooth strip groove and second unsmooth groove and help increasing drive wheel 242 and lifter 230 area of contact, and then increase the compression factor.

In other embodiments of the present application, the lifting rod 230 is a carbon fiber circular tube (not shown), and the driven part can be a rough surface with a high friction coefficient.

As shown in fig. 8, the outer support cylinder 210 includes split outer housings 211, end plates 212, and additional rods 213, the split outer housings 211 and the end plates 212 enclose a cylindrical structure, the additional rods 213 are sandwiched between the side edges of two adjacent split outer housings 211, an installation portion for connecting the first clamp ring 244 and the second clamp ring 263 is disposed inside the additional rods 213, the installation portion may be a screw installation structure, and the installation of the first clamp ring 244 and the second clamp ring 263 is facilitated by the provision of the additional rods 213.

As shown in fig. 2, the supporting frame 100 includes three diagonal braces 101, auxiliary braces 102, lock rods 103 and support legs 104, the diagonal braces 101 enclose a triangular pyramid structure, an upper end of each diagonal brace 101 is hinged to an upper portion of an outer cylinder wall of an outer supporting cylinder 210, the support leg 104 is disposed at a lower end of each diagonal brace 101, the auxiliary braces 102 and the diagonal braces 101 are disposed in a one-to-one correspondence, an upper end of each auxiliary brace 102 is hinged to a lower portion of the outer cylinder wall of the outer supporting cylinder 210, a lower end of each auxiliary brace 102 is hinged to an upper portion of the diagonal brace 101, the lock rods 103 enclose a triangular structure, and each lock rod 103 is detachably connected to the diagonal brace 101.

In the embodiment of the present application, the leg 104 is connected to the inclined strut 101 through a screw, and the support frame 100 can be leveled by adjusting the height of the leg 104.

As shown in fig. 2, connection holes 1011 are uniformly distributed in the outer wall of the diagonal brace 101 in the axial direction, a plug pin is inserted into the connection holes 1011, locking grooves are formed in the side portions of the two ends of the locking rod 103, the locking grooves and the plug pin are inserted and matched to enable the locking rod 103 to lock the diagonal brace 101, and the unfolding angle of the support frame 100 can be controlled by selecting different connection holes 1011.

In the embodiment of the application, the telescopic rod is arranged in the diagonal brace 101 and is positioned by adopting an elastic bayonet lock; the inclined strut 101 at one end of the auxiliary strut 102 is hinged to the outer support cylinder 210, the other end of the auxiliary strut is connected with the inclined strut 101 by a sliding sleeve, and the auxiliary strut is provided with a locking knob 105, the external support angle of the inclined strut 101 can be controlled by the locking knob 105, and the maximum height of the support frame 100 is not higher than 1.8m, so that the inclined strut 101 can be conveniently fixed.

In the above, the technical solutions of the present application are introduced in detail with reference to specific embodiments, and the described specific embodiments are used to help understanding the idea of the present application. The derivation and modification made by the person skilled in the art on the basis of the specific embodiment of the present application also belong to the protection scope of the present application.

Claims (8)

1. A lifting device for video shooting and inspection of ultrahigh pier columns is characterized by comprising a lifting component (200) and a support frame (100);

the center of the upper end of the support frame (100) is provided with a lifting component (200);

the lifting component (200) comprises an outer supporting cylinder (210), an inner guide cylinder (220), a lifting rod (230), a driving mechanism (240), a guide mechanism (260) and a locking sleeve (250), the upper end and the lower end of the outer supporting cylinder (210) are provided with end holes which are coaxial and are communicated with the inner cavity of the outer supporting cylinder (210), the main body of the inner guide cylinder (220) is arranged in the inner cavity of the outer support cylinder (210), and an annular cavity is formed between the outer cylinder wall of the inner guide cylinder (220) and the inner cylinder wall of the outer support cylinder (210), two ends of the inner guide cylinder (220) penetrate through corresponding end holes of the outer support cylinder (210) and are locked outside the outer support cylinder (210) through two locking sleeves (250) which are pressed against the upper end surface and the lower end surface of the outer support cylinder (210) and are fixedly sleeved on the upper end and the lower end of the inner guide cylinder (220), the driving mechanism (240) and the guiding mechanism (260) are vertically and correspondingly fixedly arranged in the annular cavity, the wall of the inner guide cylinder (220) is provided with a driving through hole (221) and a guide through hole (222), the lifting rod (230) is movably sleeved in the inner guide cylinder (220), the rod wall of the lifting rod (230) is a driven part, the driving part of the driving mechanism (240) movably penetrates through the driving through hole (221) and is in driving connection with the driven part, so that the driving mechanism (240) drives the lifting rod (230) to lift, and the guide part of the guide mechanism (260) movably passes through the guide through hole (222) and is tightly attached to the driven part;

the upper end of the lifting rod (230) is used for installing a camera shooting assembly.

2. The elevating device for video shooting and inspecting ultrahigh pier stud according to claim 1, characterized in that the driving mechanism (240) comprises a driving motor (241), a driving wheel (242), a first pressing wheel (243), a first pressing ring (244), a first support (245) and a first clamping plate (246);

the conical supporting cylinder comprises two first clamping plates (246), driving wheels (242) are rotatably arranged between the upper ends of the two first clamping plates (246), a driving motor (241) is fixedly arranged on the outer side of the upper end of any one first clamping plate (246), an output shaft of the driving motor (241) movably penetrates through the first clamping plate (246) and is in driving connection with the driving wheels (242), a first pressing wheel (243) is rotatably arranged between the lower ends of the two first clamping plates (246), one end of a first support (245) is fixedly connected with the inner guiding cylinder (220), two sides of the other end of the first support (245) are hinged to the middle parts of the two first clamping plates (246), the first pressing ring (244) is fixedly arranged on the inner supporting cylinder (210), the first pressing ring (244) is provided with a conical surface in press fit with the first pressing wheel (243), the connecting position of the conical pressing sleeve (250) and the inner guiding cylinder (220) is adjusted, the up-down relative position of the inner guiding cylinder (220) and the outer supporting cylinder (210) is changed, the driving surface of the first pressing wheel (243) is changed by adjusting the connecting position of the locking sleeve (250) and the conical pressing sleeve (220), and the driving surface of the first pressing ring (242) is changed into the driving surface of the driving wheels, and the driving parts of the rough surface of the first clamping plates (246).

3. The elevating device for video shooting and inspecting ultrahigh pier stud according to claim 2, wherein the outer walls of the upper end and the lower end of the inner guide cylinder (220) are provided with external threads, and the locking sleeve (250) is provided with internal threads matched with the external threads of the outer and inner guide cylinders (220).

4. The elevating device for video shooting and inspecting ultrahigh pier stud according to claim 3, wherein the driving mechanism (240) is provided in plurality and is uniformly arranged along the circumferential direction of the outer cylinder wall of the inner guide cylinder (220).

5. The lifting device for video shooting and inspection of ultrahigh pier stud according to claim 4, characterized in that the guiding mechanism (260) comprises two guiding wheels (261), a second pressing wheel (262), a second pressing ring (263), a second connecting seat (264) and a second clamping plate (265), the second clamping plate (265) is arranged in an opposite manner, the guiding wheel (261) is rotatably arranged between the upper ends of the two second clamping plates (265), the second pressing wheel (262) is rotatably arranged between the lower ends of the two second clamping plates (265), one end of the second connecting seat (264) is fixedly connected with the inner guiding cylinder (220), two sides of the other end of the second connecting seat (264) are hinged to the middle parts of the two second clamping plates (265), the second pressing ring (263) is fixedly arranged on the inner cylinder wall of the outer supporting cylinder (210), the second pressing ring (263) is provided with a conical surface which is in press fit with the second pressing wheel (262), and the conical surface which is in press fit with the second pressing wheel (262) is adjusted by adjusting the connecting position of the locking sleeve (250) with the inner guiding cylinder (220), so that the upper and lower pressing surfaces of the inner guiding cylinder (220) and the second pressing wheel (261) are changed.

6. The elevating device for video shooting and inspecting ultrahigh pier stud according to claim 5, characterized in that the guiding mechanisms (260) are multiple and are uniformly arranged along the circumferential direction of the outer cylinder wall of the inner guiding cylinder (220).

7. The elevating gear for video shooting and inspection of ultrahigh pier stud according to claim 6, characterized in that the driven part is a first concave-convex strip groove extending along the axial direction of the lifting rod (230) and distributed at intervals along the circumferential direction of the lifting rod (230), the ring surfaces of the guide wheel (261) and the driving wheel (242) are both provided with damping rings, and second concave-convex strips extending along the circumferential direction of the damping rings and attached to the first concave-convex strip groove are uniformly distributed along the axial direction of the damping rings.

8. The lifting device for video shooting and inspection of ultrahigh pier stud according to claim 1, wherein the supporting frame (100) comprises three diagonal braces (101), auxiliary struts (102), locking rods (103) and supporting feet (104), the number of the diagonal braces (101) is three, the diagonal braces (101) surround a triangular pyramid structure, the upper end of each diagonal brace (101) is hinged to the upper portion of the outer cylinder wall of the outer supporting cylinder (210), the lower end of each diagonal brace (101) is provided with the supporting foot (104), the auxiliary struts (102) and the diagonal braces (101) are arranged in a one-to-one correspondence manner, the upper ends of the auxiliary struts (102) are hinged to the lower portion of the outer cylinder wall of the outer supporting cylinder (210), the lower ends of the auxiliary struts (102) are hinged to the upper portions of the diagonal braces (101), the locking rods (103) surround a triangular structure, and each diagonal brace (103) is detachably connected with the diagonal braces (101).

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