CN218493926U

CN218493926U - Steel support servo device with automatic axial force compensation function

Info

Publication number: CN218493926U
Application number: CN202222667266.4U
Authority: CN
Inventors: 王刚; 王文武; 马素; 张伟; 张鹏; 李猛; 刘慧航; 王晶; 姜秀玲
Original assignee: Design & Research Institute Of Jinan Urban Construction Group Co ltd; Jinan Traffic Engineering Quality And Safety Center; Jinan Urban Construction Group Co Ltd; Shandong Quanjian Engineering Testing Co Ltd; Jinan Municipal Engineering Construction Group Co Ltd; Shandong Huitong Construction Group Co Ltd; Shandong Huiyou Municipal Garden Group Co Ltd
Current assignee: Design & Research Institute Of Jinan Urban Construction Group Co ltd; Jinan Traffic Engineering Quality And Safety Center; Jinan Urban Construction Group Co Ltd; Shandong Quanjian Engineering Testing Co Ltd; Jinan Municipal Engineering Construction Group Co Ltd; Shandong Huitong Construction Group Co Ltd; Shandong Huiyou Municipal Garden Group Co Ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-02-17
Anticipated expiration: 2032-10-10

Abstract

The utility model belongs to the technical field of the building foundation ditch supports, especially, relate to an axle force automatic compensation steel shotcrete servo device, including base, pneumatic cylinder, piston rod and servo motor, the upper end middle part of base is provided with the pneumatic cylinder, and the week side of base is provided with the reinforcement bracing piece, the inside piston rod that is provided with in upper end of pneumatic cylinder. The utility model discloses when control backup pad lift removal, the bellows can stretch out and draw back automatically under its self characteristic, can all protect the major components of device in the bellows, avoid falling earth to cause the influence to the operation of device spare part, and along with the use of device, when the damage appears in the bellows, mounting panel and first butt joint ring and second butt joint ring and the base through threaded connection accept the seat, can be convenient for dismantle the change to the bellows, can provide the effect of keeping apart the protection all the time to this dress support servo device's major component, avoid the operation of device to be obstructed, prevent great wearing and tearing, be convenient for permanent use of device.

Description

Steel support servo device with automatic axial force compensation function

Technical Field

The utility model belongs to the technical field of the building foundation ditch supports, especially, relate to an axle force automatic compensation steel shotcrete servo unit.

Background

At present, in the building construction, the in-process of the underground excavation of large-area building, in order to guarantee the stability of foundation ditch state, consequently need use the effect that supports servo device and provide support and protection to the building foundation ditch, avoid the foundation ditch the condition that collapses to appear, prevent to cause the influence to the progress of building construction.

In the excavation process under the building, reinforced concrete is usually adopted as the horizontal support in the pit, and the application of this kind of support mode, not only the cost is high, and need demolish after the construction is accomplished, work load is big, and does not have the function of make full use of, the foundation ditch also can appear warping and lead to the problem that the supporting effect reduces by a wide margin simultaneously, in order to solve above-mentioned problem, chinese utility model patent of publication No. CN217173107U has just provided an axial force automatic compensation steel support servo unit, has the function of axial force automatic compensation, and have convenient disassembling, repeatedly usable's function, be used for replacing the reinforced concrete structure technique commonly used, but still have some problems in the above-mentioned comparison patent, because support servo unit long-term work in the building foundation ditch, the ash falling can appear, the circumstances of soil falling, and if get into the dregs between the key spare part of device, can cause the device operation to be obstructed, the wearing and tearing are big, life greatly reduces the scheduling problem. Therefore, there is an urgent need to improve the conventional steel support servo device with automatic axial force compensation, and to provide a steel support servo device with automatic axial force compensation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to exist among the prior art not enough, provide a reasonable in design, simple structure, the axial force automatic compensation steel that has the function of preventing falling earth supports servo unit, be used for solving exist among the prior art because support servo unit long-term work in building foundation ditch, can appear falling ash, the condition of falling earth, and if got into dregs between the key spare part of device, then can cause the problem of device operation obstructed, wearing and tearing are big, life greatly reduced scheduling problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an axle power automatic compensation steel shotcrete servo device, its includes base, pneumatic cylinder, piston rod and servo motor, the upper end middle part of base is provided with the pneumatic cylinder, and the week side of base is provided with the reinforcement bracing piece, the inside piston rod that is provided with in upper end of pneumatic cylinder, the top fixedly connected with backup pad of piston rod, the outside of piston rod is located the upper end of pneumatic cylinder and is provided with protection compensating mechanism, and protection compensating mechanism's right side is connected with the gear, the outside that just is located protection compensating mechanism between pneumatic cylinder and the backup pad is provided with dustproof mechanism.

As a preferred embodiment, the reinforcing support bars are annularly distributed around the base by taking the base as a circle center, the four reinforcing support bars are all connected with the base in an embedded manner, and the reinforcing support bars are of a triangular structure.

As a preferred embodiment, the protection compensation mechanism comprises a movable sleeve, a limiting ring and a fixed sleeve, wherein the inner side of the bottom of the movable sleeve is provided with the limiting ring, and the limiting ring is fixedly connected to the outer wall of the top of the fixed sleeve.

As a preferred embodiment, a through hole with a convex-shaped longitudinal section is formed in the movable sleeve, the inner wall of the top end of the movable sleeve is provided with threads and is connected with the threads of the piston rod, the inner wall of the bottom of the movable sleeve is provided with an annular groove, one side of the limiting ring is positioned in the annular groove of the inner wall of the bottom of the movable sleeve, and the fixed sleeve is fixedly arranged at the top end of the hydraulic cylinder and is positioned on the outer side of the piston rod.

In a preferred embodiment, the periphery of the movable sleeve is arranged in a tooth shape, the movable sleeve is meshed with a gear, the gear is fixedly installed on an output shaft of a servo motor, and the servo motor is arranged at the upper right of the hydraulic cylinder and is positioned at the right side of the protection compensation mechanism.

As a preferred embodiment, the dustproof mechanism comprises a mounting plate, a first butt ring, a corrugated pipe, a second butt ring and a bottom bearing seat, wherein the first butt ring is connected to the outer side of the mounting plate in a threaded manner, the corrugated pipe is connected to the lower portion of the first butt ring in an embedded manner, the second butt ring is connected to the bottom of the corrugated pipe, and the second butt ring is connected to the outer side of the bottom bearing seat in a threaded manner.

As a preferred embodiment, the mounting plate is fixedly connected to the bottom end surface of the support plate, the bellows is disposed between the first docking ring and the second docking ring, and the bottom bearing seat is fixedly mounted on the outer wall of the bottom end of the hydraulic cylinder.

Compared with the prior art, the beneficial effects of the utility model are that:

in the scheme of the utility model:

when the supporting plate is controlled to move up and down, the corrugated pipe can automatically stretch out and draw back under the characteristics of the corrugated pipe, main parts of the device can be protected in the corrugated pipe, the influence of falling soil on the operation of the parts of the device is avoided, and along with the use of the device, when the corrugated pipe is damaged, the corrugated pipe can be conveniently detached and replaced through the mounting plate, the first butt joint ring, the second butt joint ring and the bottom bearing seat which are connected through threads, the main parts of the supporting servo device can be always isolated and protected, the operation of the device is prevented from being blocked, larger abrasion is prevented, and the device can be conveniently used for a long time;

when deformation appears in the foundation pit, need control backup pad lift removal, thereby support the foundation pit once more, when control pneumatic cylinder promoted the piston rod and goes up and down, can start servo motor simultaneously, the control gear is rotatory, thereby it is rotatory to drive the movable sleeve with gear engagement under the effect of spacing ring steadily, can make the piston rod with movable sleeve threaded connection steadily shift up under the effect of pneumatic cylinder and movable sleeve, and the highly invariable inconvenience of movable sleeve, consequently even the pneumatic cylinder breaks down also can guarantee that the backup pad supports the foundation pit all the time, can lock the piston rod.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and the following description will be made with reference to the drawings:

fig. 1 is a schematic view of the three-dimensional front view structure of the present invention;

FIG. 2 is a schematic view of a three-dimensional front sectional structure of the present invention;

FIG. 3 is a schematic view of the front view structure of the protection compensation mechanism and the gear connection of the present invention;

FIG. 4 is a schematic structural view of the protection compensation mechanism of the present invention;

fig. 5 is a schematic structural view of the dustproof mechanism of the present invention.

In the figure:

1. a base; 2. a hydraulic cylinder; 3. reinforcing the supporting rod; 4. a piston rod; 5. a support plate; 6. a protection compensation mechanism; 61. a movable sleeve; 62. a limiting ring; 63. fixing the sleeve; 7. a gear; 8. a servo motor; 9. a dust-proof mechanism; 91. mounting a plate; 92. a first docking ring; 93. a bellows; 94. a second docking ring; 95. a base bearing seat.

Detailed Description

The embodiments described below are only a part of the embodiments of the present invention, and do not represent all embodiments consistent with the present invention. Exemplary embodiments will now be described with reference to the accompanying drawings, in which:

as shown in one of fig. 1-5, the utility model discloses axial force automatic compensation steel shotcrete servo device, it includes base 1, pneumatic cylinder 2, piston rod 4 and servo motor 8, base 1's upper end middle part is provided with pneumatic cylinder 2, base 1's week side is provided with reinforcement support rod 3, can improve the device's installation stability, the inside piston rod 4 that is provided with in upper end of pneumatic cylinder 2, piston rod 4's top fixedly connected with backup pad 5, setting through backup pad 5, can support the foundation ditch, the outside of piston rod 4 is located the upper end of pneumatic cylinder 2 and is provided with protection compensating mechanism 6, under the effect of protection compensating mechanism 6, can make the device change the adjustment along with foundation ditch deformation, the right side of protection compensating mechanism 6 is connected with gear 7, the outside that just is located protection compensating mechanism 6 between pneumatic cylinder 2 and the backup pad 5 is provided with dustproof mechanism 9, through the dustproof mechanism 9 that is equipped with, can provide the protection against earth falling to the main spare part of the device, avoid the dregs to get into between the device spare part and influence the normal operating of device, lead to the device operation to be obstructed and even appear damaging.

In a preferred embodiment, in addition to the above structure, four reinforcing support rods 3 are annularly distributed around the base 1 with the base 1 as a center, the four reinforcing support rods 3 are all connected with the base 1 in an embedded manner, the reinforcing support rods 3 are triangular, and the overall stability of the device can be improved through the four reinforcing support rods 3.

In a preferred embodiment, in addition to the above structure, the protection compensation mechanism 6 further includes a movable sleeve 61, a limit ring 62 and a fixed sleeve 63, the limit ring 62 is disposed on the inner side of the bottom of the movable sleeve 61, the limit ring 62 is fixedly connected to the outer wall of the top of the fixed sleeve 63, and the device can be adjusted to change according to the deformation of the foundation pit by the protection compensation mechanism 6.

In a preferred embodiment, in addition to the above structure, a through hole with a vertical section in a shape like a Chinese character 'tu' is formed in the movable sleeve 61, a thread is formed on the inner wall of the top end of the movable sleeve 61 and is connected with the piston rod 4 by the thread, an annular groove is formed on the inner wall of the bottom of the movable sleeve 61, one side of the limit ring 62 is located in the annular groove on the inner wall of the bottom of the movable sleeve 61, the fixed sleeve 63 is fixedly arranged at the top end of the hydraulic cylinder 2 and is located on the outer side of the piston rod 4, and the movable sleeve 61 can be limited by the limit ring 62.

In a preferred embodiment, in addition to the above configuration, the movable sleeve 61 is provided with a toothed peripheral side, the movable sleeve 61 is connected to the gear 7 in a meshing manner, the gear 7 is fixedly attached to the output shaft of the servo motor 8, the servo motor 8 is provided at the upper right of the hydraulic cylinder 2 and on the right side of the protection compensation mechanism 6, and the servo motor 8 controls the gear 7 to rotate, so that the movable sleeve 61 meshing with the gear 7 can be controlled to rotate.

In a preferred embodiment, in addition to the above structure, the dust-proof mechanism 9 further includes a mounting plate 91, a first docking ring 92, a bellows 93, a second docking ring 94 and a bottom socket 95, the first docking ring 92 is screwed to the outer side of the mounting plate 91, the bellows 93 is inserted and connected to the lower portion of the first docking ring 92, the second docking ring 94 is connected to the bottom portion of the bellows 93, and the second docking ring 94 is screwed to the outer side of the bottom socket 95, so that the main parts and components of the device can be protected by the bellows 93, and the influence of the entry of the soil residue on the normal operation of the device can be avoided.

In a preferred embodiment, in addition to the above structure, the mounting plate 91 is fixedly connected to the bottom end surface of the supporting plate 5, the bellows 93 is disposed between the first docking ring 92 and the second docking ring 94, the bottom socket 95 is fixedly mounted on the outer wall of the bottom end of the hydraulic cylinder 2, and the bellows 93 damaged after long-term use is conveniently detached and replaced by the first docking ring 92 and the second docking ring 94, so as to ensure the dust-proof and soil-proof effects of the device.

The working principle of the utility model is as follows:

when the device is used, the base 1 is fixedly arranged at a designated position, the supporting plate 5 is attached to the bottom surface of the foundation pit, and the supporting and reinforcing effects on the foundation pit are achieved;

when the foundation pit is deformed, the hydraulic cylinder 2 and the servo motor 8 can be started simultaneously, the gear 7 is controlled to rotate, so that the movable sleeve 61 meshed with the gear 7 is driven to rotate stably under the action of the limiting ring 62, the piston rod 4 can move up stably under the action of the hydraulic cylinder 2 and the movable sleeve 61 due to the threaded connection of the movable sleeve 61 and the piston rod 4, and the height of the movable sleeve 61 is constant and inconvenient, so that the piston rod 4 can be positioned under the action of the movable sleeve 61 even if the hydraulic cylinder 2 fails, the support plate 5 supports the foundation pit all the time, the piston rod 4 can be locked, and reinforcement compensation is facilitated;

in the process of the lift activity regulation of control backup pad 5, bellows 93 can carry out the automation of adaptability through its self characteristic and stretch out and draw back, can protect the main part and the spare part of the device through bellows 93, avoid falling soil to cause the influence to the operation of device spare part, prevent to influence the normal operating of device, along with the permanent use of device, when bellows 93 appears damaging, because mounting panel 91 links to each other with first butt ring 92 screw thread, and second butt ring 94 links to each other with the bottom socket 95 screw thread of fixing at 2 top bearings of pneumatic cylinder, consequently, can dismantle the change to bellows 93, can support the main part of servo device to this dress and provide the effect of isolation protection all the time, avoid the operation of device to be obstructed, prevent to appear great wearing and tearing, be convenient for the permanent use of device.

The above are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; the present invention is intended to cover such alternatives, modifications, substitutions and variations as may be suggested by those skilled in the art based on the teachings herein and by their equivalents through analysis of logic, reasoning and limited experimentation.

Claims

1. The utility model provides an axle power automatic compensation steel shotcrete servo device, includes base (1), pneumatic cylinder (2), piston rod (4) and servo motor (8), its characterized in that: the utility model discloses a hydraulic cylinder, including base (1), pneumatic cylinder (2), reinforcing bracing piece (3), top fixedly connected with backup pad (5) of piston rod (4), piston rod (4) are provided with to the upper end middle part of base (1), and the week side of base (1) is provided with, the upper end inside of pneumatic cylinder (2) is provided with piston rod (4), the top fixedly connected with backup pad (5) of piston rod (4), the outside that the outside of piston rod (4) is located pneumatic cylinder (2) is provided with protection compensation mechanism (6), and the right side of protection compensation mechanism (6) is connected with gear (7), the outside that just is located protection compensation mechanism (6) between pneumatic cylinder (2) and backup pad (5) is provided with dustproof mechanism (9).

2. The axial force automatic compensation steel support servo device of claim 1, wherein: the reinforcing support rods (3) are annularly distributed with four in the circumferential side of the base (1) by taking the base (1) as a circle center, the reinforcing support rods (3) are all embedded and connected with the base (1), and the reinforcing support rods (3) are of a triangular structure.

3. The axial force automatic compensation steel support servo device of claim 1, wherein: protection compensation mechanism (6) are including movable sleeve (61), spacing ring (62) and fixed sleeve (63), the bottom inboard of movable sleeve (61) is provided with spacing ring (62), and spacing ring (62) fixed connection is on the top outer wall of fixed sleeve (63).

4. The axial force automatic compensation steel support servo device of claim 3, wherein: the through-hole that the longitudinal section is "protruding" font is seted up to the inside of movable sleeve (61), and the top inner wall of movable sleeve (61) is equipped with the screw thread and links to each other with piston rod (4) screw thread, is equipped with the annular groove on the bottom inner wall of movable sleeve (61), and one side of spacing ring (62) is arranged in the annular groove of movable sleeve (61) bottom inner wall, fixed sleeve (63) are fixed to be set up on the top of pneumatic cylinder (2) and are arranged in the outside of piston rod (4).

5. The axial force automatic compensation steel support servo device of claim 4, wherein: the week side of movable sleeve (61) is the setting of rodent, and movable sleeve (61) links to each other with gear (7) meshing, gear (7) fixed mounting is on the output shaft of servo motor (8), and servo motor (8) are located the upper right side of pneumatic cylinder (2) and are located the right side of protection compensating mechanism (6).

6. The axial force automatic compensation steel support servo device of claim 1, wherein: dustproof mechanism (9) include mounting panel (91), first butt joint ring (92), bellows (93), second butt joint ring (94) and end socket seat (95), the outside threaded connection of mounting panel (91) has first butt joint ring (92), and the below of first butt joint ring (92) is inlayed and is connected with bellows (93), and the bottom of bellows (93) is connected with second butt joint ring (94), and second butt joint ring (94) threaded connection is in the outside of end socket seat (95).

7. The axial force automatic compensation steel support servo device of claim 6, wherein: mounting panel (91) fixed connection is in the bottom face of backup pad (5), bellows (93) are located between first butt joint ring (92) and second butt joint ring (94), bottom socket seat (95) fixed mounting is on the bottom outer wall of pneumatic cylinder (2).