CN-224213144-U - Active clamping hoop

CN224213144UCN 224213144 UCN224213144 UCN 224213144UCN-224213144-U

Abstract

The utility model provides an active clamping hoop which comprises an outer hoop component and an inner hoop component, wherein the inner hoop component is embedded into the outer hoop component, adjustable devices for adapting to pier column sizes with different diameters are arranged on the outer hoop component in the transverse direction, the longitudinal direction and the oblique direction, the inner hoop component comprises an inner hoop steel belt, a flange connecting block and a locking device assembly, one end of the inner hoop steel belt is connected with the flange connecting block through a pin shaft to form a semi-ring hoop, and the locking device assembly is arranged between the two semi-ring hoops in a penetrating mode to drive the two semi-ring hoops to clamp and release the inner hoop steel belt. The utility model can realize the adaptive switching of the bridge pier columns with different specifications, greatly improve the turnover utilization rate of equipment, realize the accurate control of the clamping force, and effectively avoid the damage to the surface of the bridge pier column in the clamping process.

Inventors

LI LONG
LIU ZHIHUA
LUO LIANG
YANG KE
QIN MINGQING
LI TIANJU

Assignees

四川拓扑达机械技术有限公司

Dates

Publication Date: 20260508
Application Date: 20250603

Claims (10)

1. The active clamping hoop comprises an outer hoop assembly and an inner hoop assembly and is characterized in that the inner hoop assembly is embedded into the outer hoop assembly, adjustable devices for adapting to pier column sizes with different diameters are arranged on the outer hoop assembly in the transverse direction, the longitudinal direction and the oblique direction, the inner hoop assembly comprises an inner hoop steel belt, a flange connecting block and a locking device assembly, one end of the inner hoop steel belt is connected with the flange connecting block through a pin shaft to form a semi-ring hoop, and the locking device assembly is arranged between the two semi-ring hoops in a penetrating mode to drive the two semi-ring hoops to clamp and unclamp the inner hoop steel belt.
2. The active clamping hoop of claim 1, wherein the outer hoop assembly comprises two oppositely arranged transverse main frames, longitudinal connecting frames connected to four corners of the inner walls of the two transverse main frames, and a frame adjusting block connected between the two longitudinal connecting frames in the longitudinal direction.
3. The active clamping hoop of claim 2, wherein a plurality of adjustable mounting holes are formed in the inner wall of the transverse main frame in the transverse direction, and the longitudinal connecting frames are adjustably mounted on different hole sites of the transverse main frame in the transverse direction.
4. An active gripping staple according to claim 2, wherein the number of frame adjustment blocks is adjustable in the longitudinal direction, either not provided or provided in one or more, depending on the diameter of the bridge pier.
5. The active clamping hoop of claim 2, wherein elastic guide wheels for pressing bridge pier columns are arranged on the inner walls of the four longitudinal connecting frames, the elastic guide wheels are arranged at 45-degree angle positions inside the outer hoop assembly, guide wheel adjusting blocks for adapting to pier columns with different diameters are further arranged between the guide wheels and the longitudinal connecting frames, and the number of the guide wheel adjusting blocks is adaptively increased or decreased according to the diameter of the bridge pier columns.
6. The active clamping hoop is characterized in that the locking device assembly comprises a hydraulic motor, a worm gear reducer, a transmission screw rod, a first connecting box body and a second connecting box body, the worm gear reducer is connected with a power output end of the hydraulic motor, the worm gear reducer is arranged on the first connecting box body, one end of the transmission screw rod is connected with a worm wheel in a key connection mode, and the other end of the transmission screw rod sequentially penetrates through an inner hoop steel belt of one semi-ring hoop, a connecting flange block connected with the other semi-ring hoop and the second connecting box body, and is fixed through an anti-rotation nut.
7. The active clamping hoop of claim 6, wherein an anti-rotation clamping plate used for preventing the anti-rotation nut from rotating together with the transmission screw rod is clamped on the outer surface of the anti-rotation nut, the anti-rotation clamping plate is fixed on the second connecting box body, a reverse baffle plate is further connected to the outer side of the anti-rotation clamping plate, and the reverse baffle plate is fixedly connected with the anti-rotation clamping plate through bolts.
8. The active clamping hoop of claim 7, wherein connecting lugs are arranged on connecting flange blocks connected with one end of the inner hoop steel belt and the other end of the inner hoop steel belt, two semicircular mounting blocks are arranged on the upper portion and the lower portion of each connecting lug, hinge shafts are connected to the upper surface and the lower surface of each connecting box body I and the lower surface of each connecting box body II in a hinged mode, four hinge shafts are fixed on the four semicircular mounting blocks through four rotating shaft pressing blocks respectively, and each connecting box body I and each connecting box body II can rotate around corresponding double hinge shafts.
9. The active clamping hoop of claim 8, wherein a disc spring, a disc spring pressing plate and a pressure sensor are sequentially arranged in the second connecting box body from inside to outside, one side of the pressure sensor is abutted against the anti-rotation nut, and the other side of the pressure sensor is fixed on the disc spring pressing plate.
10. The active clamping hoop of claim 9, wherein the end of the transmission screw is further provided with a limit nut for preventing the anti-rotation nut from falling out of the transmission screw.

Description

Active clamping hoop Technical Field The utility model relates to the technical field of pouring bridge lower construction, in particular to an active clamping hoop. Background Along with the progress of science and technology and the acceleration of urban process, the construction of bridges is increasingly important. The crawler is an important part in bridge construction, and can automatically complete a plurality of complicated and high-risk bridge construction tasks, so that the working efficiency is remarkably improved, the time and cost of manual operation are reduced, and the operation difficulty and risk are reduced. The staple bolt is the core component of crawling ware, and the staple bolt among the prior art adopts dish spring locking and the electronic mode of pressing from both sides tightly more: The patent application number is CN202223075330.6, a crawler of a bridge pier climbing formwork construction system is disclosed, a hoop of the crawler adopts a disc spring locking mode, and the clamping mode is passive clamping. And as a Chinese patent with the application number of CN202223056625.9, a climbing device and a climbing system are disclosed, wherein the hoop clamping device of the electric crawler is clamped by adopting a screw rod, and the clamping mode belongs to active clamping driven by a motor. The above-mentioned staple bolt structure that is commonly used among the prior art has following defect: 1. Because in the actual construction, the size specification of bridge pier stud is different, and above-mentioned various staple bolts can not be realized adopting a section equipment can adapt to the pier stud of multiple different specifications, consequently its turnover rate is lower, is unfavorable for the popularization. 2. When the disc spring is used for locking, the clamping force of the anchor ear can be changed to a certain extent under the influence of the diameter change of the pier stud, and the clamping force is inaccurate. 3. When the electric clamping device is adopted, the problems of heavy weight and high cost exist. In conclusion, the anchor ear which can realize the adaptive switching of pier studs of different specifications, has high control precision of clamping force, can greatly improve the turnover rate of equipment and is powerful in product popularization is urgently needed in the existing construction. Disclosure of Invention In order to solve the problems in the prior art, the utility model provides the active clamping hoop which can realize the adaptive switching of bridge pier columns with different specifications, greatly improve the turnover utilization rate of equipment, realize the accurate control of the clamping force and effectively avoid the damage to the surface of the bridge pier column in the clamping process. The technical scheme is that the active clamping hoop comprises an outer hoop component and an inner hoop component, wherein the inner hoop component is embedded into the outer hoop component, adjustable devices for adapting to pier column sizes with different diameters are arranged on the outer hoop component in the transverse direction, the longitudinal direction and the oblique direction, the inner hoop component comprises an inner hoop steel belt, a flange connecting block and a locking device assembly, one end of the inner hoop steel belt is connected with the flange connecting block through a pin shaft to form a semi-ring hoop, the locking device assembly is arranged between the two semi-ring hoops in a penetrating mode, and the two semi-ring hoops are driven to clamp and release the inner hoop steel belt. The outer hoop assembly comprises two oppositely arranged transverse main frames, longitudinal connecting frames connected to four corners of the inner walls of the two transverse main frames, and frame adjusting blocks connected between the two longitudinal connecting frames in the longitudinal direction. According to a further preferred technical scheme, a plurality of adjustable mounting holes are formed in the inner wall of the transverse main frame in the transverse direction, and the longitudinal connecting frame is mounted on different hole sites of the transverse main frame in the transverse direction in an adjustable mode. According to a further preferred technical scheme, the number of the frame adjusting blocks in the longitudinal direction can be adjusted, and one or more frame adjusting blocks can be arranged according to the diameter of the bridge pier. According to the further preferred technical scheme, the four inner walls of the longitudinal connecting frames are respectively provided with an elastic guide wheel used for pressing the bridge pier column, the elastic guide wheels are respectively arranged at the 45-degree angle position inside the outer hoop assembly, guide wheel adjusting blocks used for adapting to pier columns with different diameters are further arranged between the guide wheels and the longi