阅读说明：本技术 一种重力自封闭攀壁式自爬升作业平台 (Self-sealing gravity climbing wall type self-climbing operation platform ) 是由 赵延治 李伟 余发国 付玉行 刘富民 于 2021-06-22 设计创作，主要内容包括：本发明涉及一种重力自封闭攀壁式自爬升作业平台,所述平台包括上动平台、下动平台、攀壁支腿和丝杆升降机联动系统；所述丝杆升降机联动系统连接在上动平台和下动平台之间,所述上动平台与丝杆升降机联动系统的螺母固定连接,所述下动平台与丝杆升降机联动系统底座固定连接,所述上动平台与下动平台外侧均对称布置四组攀壁支腿。本发明提供的重力自封闭攀壁式井道自爬升作业平台可有效解决现有高空井道作业平台系统结构复杂、运输和安装使用不便以及安全性和可靠性差等问题。(The invention relates to a gravity self-sealing wall climbing type self-climbing operation platform, which comprises an upper movable platform, a lower movable platform, wall climbing support legs and a screw rod lifter linkage system, wherein the upper movable platform is connected with the lower movable platform through a screw rod; the lead screw lifter linkage system is connected between the upper movable platform and the lower movable platform, the upper movable platform is fixedly connected with a nut of the lead screw lifter linkage system, the lower movable platform is fixedly connected with a base of the lead screw lifter linkage system, and four groups of wall climbing supporting legs are symmetrically arranged on the outer sides of the upper movable platform and the lower movable platform. The gravity self-closing climbing type shaft self-climbing operation platform provided by the invention can effectively solve the problems of complex structure, inconvenience in transportation, installation and use, poor safety and reliability and the like of the conventional high-altitude shaft operation platform system.)

1. The utility model provides a gravity is from closed climbing wall type from climbing work platform which characterized in that: the platform comprises an upper movable platform, a lower movable platform, a wall climbing supporting leg and a screw rod elevator linkage system;

the upper movable platform comprises an upper frame and nut fixing plates, the upper frame is of a cuboid structure, and the nut fixing plates are uniformly distributed and fixedly connected to four corners of the lower surface of the upper frame;

the lower movable platform comprises a lower frame, a horizontal mounting plate and a vertical mounting frame; the lower frame is of a cuboid structure, the horizontal mounting plates are respectively and uniformly distributed and fixedly connected with four corners of the upper surface of the lower frame, the horizontal mounting plates are respectively in one-to-one correspondence with the nut fixing plates, and the vertical mounting frames are respectively and uniformly distributed and fixedly connected with a central axis transverse to the upper surface of the lower frame;

the wall climbing support leg comprises a support leg fixing plate, a wall climbing barb plate, a first support rod, a second support rod, a support leg driving system and a support rod support; the support leg driving system comprises a support leg fixing plate, a climbing wall barb plate, a support leg driving system and a climbing wall barb plate, wherein the support leg fixing plate and the climbing wall barb plate are arranged in parallel, a first support rod and a second support rod are arranged in parallel, two ends of the first support rod and the second support rod are respectively and rotatably connected with the support leg fixing plate and the climbing wall barb plate through support rod supports, one side of the support leg driving system is connected with the upper end of the support leg fixing plate, and the other side of the support leg driving system is connected with the first support rod; four groups of wall climbing supporting legs are symmetrically arranged on the outer sides of the upper movable platform and the lower movable platform;

the screw rod lifter linkage system is connected between the upper movable platform and the lower movable platform; the base of the screw rod elevator linkage system is respectively and fixedly connected with the horizontal fixing plate correspondingly, and the nuts of the screw rod elevator linkage system are respectively and fixedly connected with the nut fixing plate correspondingly.

2. The gravity self-sealing wall climbing type self-climbing work platform according to claim 1, characterized in that: the supporting leg driving system comprises a cantilever beam, a mounting angle steel, a tension spring fixing seat, a tension spring and an air cylinder driving system; cantilever beam rear end and landing leg fixed plate upper end fixed connection, the anterior both sides of flange plate on the cantilever beam are fixed to erection angle steel symmetry respectively, respectively fixed extension spring fixing base on the erection angle steel, two extension spring fixing bases of the anterior bilateral symmetry installation of first bracing piece, extension spring one end is passed through extension spring fixing base and is connected with the cantilever beam, and the other end passes through the extension spring fixing base and is connected with first bracing piece, the perpendicular fixed mounting of cylinder actuating system is in the front end bottom of cantilever beam and with first bracing piece upper surface connection.

3. The gravity self-sealing wall climbing type self-climbing work platform according to claim 2, characterized in that: the cylinder driving system comprises a cylinder, a roller mounting seat and a pushing roller; the cylinder barrel of the cylinder is vertically and fixedly connected with the bottom of the front end of the cantilever beam, the roller mounting seat is fixedly connected to the bottom end of the cylinder rod of the cylinder, the pushing roller is rotatably connected to the roller mounting seat, and the pushing roller is abutted to the upper surface of the first supporting rod.

4. The gravity self-sealing wall climbing type self-climbing work platform according to claim 3, characterized in that: the cylinder is a single-acting cylinder.

5. The gravity self-sealing wall climbing type self-climbing work platform according to claim 1, characterized in that: the screw rod elevator linkage system comprises a base, a screw rod, a nut, a motor and a commutator; the base corresponds fixed connection with horizontal installation board respectively, the nut passes through the lead screw to be connected in the base top, just the nut respectively with nut fixed plate fixed connection, the commutator transversely is provided with threely, and wherein, the commutator that is located the front side is connected with two bases of front side through the lead screw respectively, and the commutator that is located the rear side is connected with two bases of rear side through the lead screw respectively, and the commutator that is located the middle part is connected with the commutator of front and back both sides through the lead screw respectively, the motor is connected in one side of middle part commutator, and is three the commutator respectively with vertical mounting bracket fixed connection.

6. The gravity self-sealing wall climbing type self-climbing work platform according to claim 1, characterized in that: the surface of one side of climbing wall barb board near the wall is provided with array barb.

7. The gravity self-sealing wall climbing type self-climbing work platform according to claim 1, characterized in that: the supporting leg fixing plate and the wall climbing barb plate are both of rectangular structures.

Technical Field

The invention relates to the technical field of high-altitude hoistway operation platforms, in particular to a gravity self-sealing climbing wall type self-climbing operation platform.

Background

With the continuous development of economic society, high-rise buildings are more and more popular, and the work load of high-altitude well operation in the construction of the high-rise buildings is increased day by day. For example, in the operation of an elevator shaft, elevator guide rails and cables are laid, an elevator door is installed, and the like, and later maintenance and the like are always completed by manual operation in a mode of putting up a scaffold by workers, so that the method is low in efficiency, high in cost and high in operation risk. The traditional overhead hoistway operation mode can not meet the requirements of the industry more and more, and the design of an automatic overhead hoistway operation platform obviously becomes an urgent need.

In order to solve the problems, the invention patent CN109399432A discloses a self-climbing hoistway working platform, which comprises an upper supporting device, a lower supporting device and a lifting device, and the invention solves the problem that the existing hoistway working platform needs to hang a steel wire rope, and can realize self climbing in a hoistway, but the number of electric cylinders required to be driven by supporting parts is large, and the supporting device has no failure protection design for the failure of the electric cylinders, and whether the supporting device can produce good effect in actual operation is subject to further discussion. Patent CN105937300A discloses an elevator hoistway work platform device and an installation method of the elevator hoistway work platform device, wherein the elevator hoistway work platform device has a plurality of support members, a pit base member standing on a hoistway, which is installed across each of the support members, and a work platform supported by the base member, the position of which in the height direction with respect to the support members is adjustable. Utility model CN208966005U discloses a simply from lift platform that climbs, through the lift support in turn of upper and lower platform, can accomplish perpendicular construction operation in the narrow and small space to bear the support of platform down jointly by return pulley and supplementary supporting component, can strengthen it and receive upper portion loading performance, nevertheless it climbs needs to regard as the support with building plane, and the operation is weaker to the adaptability of different situation wells. The invention patent CN110439251A discloses a well climbing frame, which comprises a double-acting hydraulic rod, a climbing frame inner frame and a climbing frame outer frame, wherein one output end of the double-acting hydraulic rod is connected with the climbing frame inner frame, and the other output end of the double-acting hydraulic rod is connected with the climbing frame outer frame.

In conclusion, the existing aerial shaft operation platform technology has certain defects and shortcomings, and further has space for further lifting and perfecting.

Disclosure of Invention

In view of the above problems, the present invention aims to provide a gravity self-closing climbing type self-climbing operation platform, which can effectively solve the problems of poor safety, low efficiency, high cost and the like of the traditional methods such as scaffold building in high-altitude hoistway operation, and the problems of complex structure, inconvenient transportation, installation and use, poor safety and reliability and the like of the existing high-altitude hoistway operation platform system.

The technical scheme adopted by the invention is as follows:

the invention provides a gravity self-sealing wall climbing type self-climbing operation platform which comprises an upper movable platform, a lower movable platform, wall climbing support legs and a screw rod elevator linkage system, wherein the upper movable platform is connected with the lower movable platform through a screw rod;

the upper movable platform comprises an upper frame and nut fixing plates, the upper frame is of a cuboid structure, and the nut fixing plates are uniformly distributed and fixedly connected to four corners of the lower surface of the upper frame;

the lower movable platform comprises a lower frame, a horizontal mounting plate and a vertical mounting frame; the lower frame is of a cuboid structure, the horizontal mounting plates are respectively and uniformly distributed and fixedly connected with four corners of the upper surface of the lower frame, the horizontal mounting plates are respectively in one-to-one correspondence with the nut fixing plates, and the vertical mounting frames are respectively and uniformly distributed and fixedly connected with a central axis transverse to the upper surface of the lower frame;

the wall climbing support leg comprises a support leg fixing plate, a wall climbing barb plate, a first support rod, a second support rod, a support leg driving system and a support rod support; the support leg driving system comprises a support leg fixing plate, a climbing wall barb plate, a support leg driving system and a climbing wall barb plate, wherein the support leg fixing plate and the climbing wall barb plate are arranged in parallel, a first support rod and a second support rod are arranged in parallel, two ends of the first support rod and the second support rod are respectively and rotatably connected with the support leg fixing plate and the climbing wall barb plate through support rod supports, one side of the support leg driving system is connected with the upper end of the support leg fixing plate, and the other side of the support leg driving system is connected with the first support rod; four groups of wall climbing supporting legs are symmetrically arranged on the outer sides of the upper movable platform and the lower movable platform;

the screw rod lifter linkage system is connected between the upper movable platform and the lower movable platform; the base of the screw rod elevator linkage system is respectively and fixedly connected with the horizontal fixing plate correspondingly, and the nuts of the screw rod elevator linkage system are respectively and fixedly connected with the nut fixing plate correspondingly.

Furthermore, the supporting leg driving system comprises a cantilever beam, a mounting angle steel, a tension spring fixing seat, a tension spring and an air cylinder driving system; cantilever beam rear end and landing leg fixed plate upper end fixed connection, the anterior both sides of flange plate on the cantilever beam are fixed to erection angle steel symmetry respectively, respectively fixed extension spring fixing base on the erection angle steel, two extension spring fixing bases of the anterior bilateral symmetry installation of first bracing piece, extension spring one end is passed through extension spring fixing base and is connected with the cantilever beam, and the other end passes through the extension spring fixing base and is connected with first bracing piece, the perpendicular fixed mounting of cylinder actuating system is in the front end bottom of cantilever beam and with first bracing piece upper surface connection.

Further, the cylinder driving system comprises a cylinder, a roller mounting seat and a pushing roller; the cylinder barrel of the cylinder is vertically and fixedly connected with the bottom of the front end of the cantilever beam, the roller mounting seat is fixedly connected to the bottom end of the cylinder rod of the cylinder, the pushing roller is rotatably connected to the roller mounting seat, and the pushing roller is abutted to the upper surface of the first supporting rod.

Further, the cylinder is a single-acting cylinder.

Further, the screw rod elevator linkage system comprises a base, a screw rod, a nut, a motor and a commutator; the base corresponds fixed connection with horizontal installation board respectively, the nut passes through the lead screw to be connected in the base top, just the nut respectively with nut fixed plate fixed connection, the commutator transversely is provided with threely, and wherein, the commutator that is located the front side is connected with two bases of front side through the lead screw respectively, and the commutator that is located the rear side is connected with two bases of rear side through the lead screw respectively, and the commutator that is located the middle part is connected with the commutator of front and back both sides through the lead screw respectively, the motor is connected in one side of middle part commutator, and is three the commutator respectively with vertical mounting bracket fixed connection.

Furthermore, climb a side surface that wall barb board is close to the wall and be provided with array barb.

Furthermore, the supporting leg fixing plate and the climbing wall barb plate are both of rectangular structures.

Compared with the prior art, the invention has the following beneficial effects:

1. the gravity self-sealing wall climbing type self-climbing operation platform provided by the invention utilizes the gravity self-sealing principle to form self-locking with a well wall body, the driving force required by a wall climbing supporting leg is smaller, and the driving system of the operation platform is simplified;

2. according to the gravity self-closing wall climbing type self-climbing operation platform, a driving system required by a wall climbing supporting leg utilizes a tension spring and a single-acting cylinder as driving, when the cylinder stops supplying air, the tension spring can drive the wall climbing supporting leg to enable the operation platform and a well to be self-locked, and the high-altitude falling accident of the operation platform caused by the failure of a driving system is prevented;

3. the gravity self-closing wall climbing type self-climbing operation platform provided by the invention adopts a wall climbing type, omits a complex winch system of the existing high-altitude well operation platform, has simpler structure and control, and is more economic and convenient compared with the existing scheme.

Drawings

Fig. 1 is a schematic view of an overall structure of a gravity self-sealing wall climbing type self-climbing work platform according to the present invention;

FIG. 2 is a schematic structural diagram of the upper movable platform in FIG. 1;

FIG. 3 is a schematic structural view of the lower movable platform of FIG. 1;

FIG. 4 is a schematic structural view of the climbing leg of FIG. 1;

FIG. 5 is a schematic illustration of the configuration of the screw lift linkage system of FIG. 1;

fig. 6 is a schematic view showing the effect of climbing the wall according to the present invention.

Wherein, the reference numbers: 1-moving the platform upwards; 11-an upper frame; 12-nut fixing plate; 2-moving the platform downwards; 21-a lower frame; 22-a horizontal mounting plate; 23-a vertical mounting rack; 3-climbing wall supporting legs; 31-leg fixing plate; 32-climbing wall barb plate; 33-a first support bar; 34-a second support bar; 35-leg drive system; 36-support bar support; 321-array chamfering; 351-cantilever beam; 352, mounting angle steel; 353, a tension spring fixing seat; 354-tension spring; 355-a cylinder drive system; 3551-cylinder; 3552-roller mount; 3553-push roller; 4-a screw rod elevator linkage system; 41-a base; 42-a nut; 43-a motor; 44-a commutator; 45-screw mandrel; 5-well wall.

Detailed Description

In order to more clearly illustrate the embodiments of the present 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 introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

It should be noted that in the description of the present invention, it should be noted that the terms "upper", "lower", "top", "bottom", "one side", "the other side", "left", "right", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, but do not mean that a device or an element must have a specific orientation, be configured in a specific orientation, and be operated.

Referring to fig. 1 to 6, a specific structure of an embodiment of a gravity self-sealing climbing type self-climbing work platform according to the present invention is shown. The operation platform comprises an upper movable platform 1, a lower movable platform 2, a wall climbing supporting leg 3 and a screw rod elevator linkage system 4.

Go up movable platform 1 and include upper ledge frame 11 and nut fixed plate 12, upper ledge frame 11 is the cuboid structure, nut fixed plate 12 is provided with four, and the equipartition respectively links firmly in the four corners of upper ledge frame 11 lower surface.

The lower moving platform 2 comprises a lower frame 21, a horizontal mounting plate 22 and a vertical mounting frame 23; the lower frame 21 is of a cuboid structure, four horizontal mounting plates 22 are arranged and are respectively and uniformly fixedly connected to four corners of the upper surface of the lower frame 21, the horizontal mounting plates 22 are respectively in one-to-one correspondence with the nut fixing plates 12, and four vertical mounting frames 23 are arranged and are respectively and uniformly fixedly connected to a central axis of the upper surface of the lower frame 21 in a transverse direction. The upper frame 11 and the lower frame 21 have the same length and width.

The wall climbing support leg 3 comprises a support leg fixing plate 31, a wall climbing barb plate 32, a first support rod 33, a second support rod 34, a support leg driving system 35 and a support rod support 36; the basic frame of the climbing leg 3 is in a parallelogram configuration; the supporting leg fixing plate 31 and the wall climbing barb plate 32 are both of rectangular structures, and the surface of one side, close to the wall, of the wall climbing barb plate 32 is provided with array barb edges 321; the supporting leg fixing plate 31 and the climbing wall barb plate 32 are arranged in parallel, the first supporting rod 33 and the second supporting rod 34 are arranged in parallel up and down, and two ends of the first supporting rod and the second supporting rod are respectively connected with the upper side and the lower side of the supporting leg fixing plate 31 and the climbing wall barb plate 32 through supporting rod supports in a rotating mode; the leg driving system 35 comprises a cantilever beam 351, a mounting angle 352, a tension spring fixing seat 353, a tension spring 354 and an air cylinder driving system 355; the rear end of the cantilever beam 351 is fixedly connected with the upper end part of the leg fixing plate 31, the mounting angle steels 352 are respectively and symmetrically fixedly connected to two sides of the front part of the upper flange plate of the cantilever beam 351, one tension spring fixing seat 353 is respectively fixed on each mounting angle 352, two tension spring fixing seats 353 are symmetrically mounted on two sides of the front part of the first support rod 33, one end of each tension spring 354 is connected with the cantilever beam 351 through the tension spring fixing seat 353, and the other end of each tension spring 354 is connected with the first support rod 33 through the tension spring fixing seat 353; the cylinder driving system 355 includes a cylinder 3551, a roller mounting seat 3552 and a push roller 3553, in this embodiment, the cylinder 3551 is a single-acting cylinder; the cylinder barrel of the air cylinder 3551 is vertically and fixedly connected with the bottom of the front end of the cantilever beam 351, the roller mounting seat 3552 is fixedly connected with the bottom end of the cylinder rod of the air cylinder 3551, the push roller 3553 is rotatably connected to the roller mounting seat 3552, and the push roller 3553 abuts against the upper surface of the first supporting rod 33; in this embodiment, a set of wall climbing supporting legs 3 which are symmetrical to each other is respectively arranged on the outer sides of four corners of the upper movable platform 1 and the lower movable platform 2, that is, eight sets of wall climbing supporting legs 3 are arranged, and the wall climbing supporting legs 3 are respectively fixedly connected with the upper movable platform 1 and the lower movable platform 2 through supporting leg fixing plates 31.

The screw rod elevator linkage system 4 comprises a base 41, a nut 42, a motor 43, a commutator 44 and a screw rod 45; the base 41 corresponds fixed connection with horizontal installation board 22 respectively, the nut 42 passes through the lead screw and connects the top at each base 41, just the nut 42 corresponds fixed connection with each nut fixed plate 12 respectively, the commutator 44 transversely is provided with threely, arranges along the horizontal axis of underframe 21 upper surface, wherein, the commutator 44 both sides that are located the front side are connected with two bases 41 of front side through lead screw 45 respectively, the commutator 44 both sides that are located the rear side are connected with two bases 41 of rear side through lead screw 45 respectively, the commutator 44 both sides that are located the middle part are connected with the commutator 44 that is located both sides around through lead screw 45 respectively, motor 43 connects in one side of middle part commutator 44, and is three commutator 44 corresponds fixed connection with vertical mounting bracket 23 respectively.

The self-locking device can form self-locking with a well wall body 5 by utilizing the gravity self-closing principle, and the driving force required by the wall climbing supporting leg 3 is smaller. The working principle of the climbing process in the well is as follows:

firstly, the air cylinders 3551 of the four climbing wall supporting legs 3 connected with the lower moving platform 2 drive the pushing rollers 3553 to move upwards, at the moment, the tension springs 354 drive the first supporting rod 33 and the second supporting rod 34 to rotate upwards, the climbing wall barb plates 32 are attached to the hoistway wall 5, then the air cylinders 3551 of the four climbing wall supporting legs 3 connected with the upper moving platform 1 drive the pushing rollers 3553 to move downwards, at the moment, the pushing rollers 3553 abut against the upper surface of the first supporting rod 33 to apply downward force to the first supporting rod 33, the downward force can overcome the upward force of the tension springs 354 on the first supporting rod 33 and the second supporting rod 34 to drive the first supporting rod 33 and the second supporting rod 34 to rotate downwards, and the climbing wall barb plates 32 are separated from contact with the hoistway wall 5; then the screw rod lifter linkage system 4 drives the upper movable platform 1 to move upwards for a certain distance relative to the lower movable platform 2; secondly, the air cylinders 3551 of the four climbing support legs 3 connected with the upper movable platform 1 drive the pushing rollers 3553 to move upwards, at the moment, the tension springs 354 drive the first support rod 33 and the second support rod 34 to rotate upwards, the climbing barb plates 32 are attached to the hoistway wall 5, then the air cylinders 3551 of the four climbing support legs 3 connected with the lower movable platform 2 drive the pushing rollers 3553 to move downwards, at the moment, the pushing rollers 3553 abut against the upper surface of the first support rod 33 to apply a downward force to the first support rod 33, the downward force can overcome the upward force of the tension springs 354 on the first support rod 33 and the second support rod 34 to drive the first support rod 33 and the second support rod 34 to rotate downwards, and the climbing barb plates 32 are separated from the hoistway wall 5; then the screw rod lifter linkage system 4 drives the lower movable platform 2 to move upwards for a certain distance relative to the upper movable platform 1; finally, the air cylinders 3551 of the four climbing legs 3 connected with the lower movable platform 2 drive the pushing rollers 3553 to move upwards, at the moment, the tension springs 354 drive the first supporting rod 33 and the second supporting rod 34 to rotate upwards, the climbing barb plates 32 are attached to the hoistway wall 5, then the air cylinders 3551 of the four climbing legs 3 connected with the upper movable platform 1 drive the pushing rollers 3553 to move downwards, at the moment, the pushing rollers 3553 abut against the upper surface of the first supporting rod 33 to apply downward force to the first supporting rod 33, the downward force can overcome the upward force of the tension springs 354 on the first supporting rod 33 and the second supporting rod 34 to drive the first supporting rod 33 and the second supporting rod 34 to rotate downwards, and the climbing barb plates 32 are separated from the hoistway wall 5. Repeating the process can realize the self-climbing of the platform.

The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.