Main cable anchorage device of bridge construction cable crane

Abstract

The invention relates to the technical field of underground pile foundations, and discloses a bridge construction cable crane main cable anchorage device which comprises a bearing platform, a guide pile and a main anchor pile, the main anchor pile is fixedly sleeved with main cable steel cables, and a plurality of sets of main cable steel cables are wound through the guide pile to serve as crane main cables; and a monitoring mechanism is arranged on the guide pile, and is used for monitoring the displacement of the main cable steel cable wound on the guide pile so as to prevent the main cable steel cable from excessively shifting on the guide pile to influence the anchoring effect of the crane main cable. According to the invention, the monitoring rod capable of moving around is arranged on the main steel cable of the guide pile, so that the offset of the main steel cable on the guide pile can be monitored in real time, and a worker can monitor the anchoring condition of the main steel cable in real time; by setting a special surrounding movement track, the monitoring rod is in contact with the main cable steel cable through a grooved wheel or other types of contact pieces, so that the surrounding position of the main cable steel cable on the guide pile is emphatically monitored.

Description

Technical Field

[0001] The present invention relates to the technical field of underground pile foundations, and particularly to a main cable anchorage device for a cable crane in bridge construction. Background Art

[0002] In bridge construction, a cable crane is generally used for hoisting and installation construction. The cable crane mainly consists of an anchorage system, a main cable system, a traction system, a hoisting system, a mechanical system, etc. Generally, the anchorage system mainly adopts the forms of rock anchors and gravity anchors. The use of rock anchors requires good geological conditions at the location to meet the requirements of the anti-pulling force of the anchor cable.

[0003] A main cable anchorage device for a cable crane (application number: CN202321345598.9) is disclosed in the prior art. This device can reliably and effectively anchor the main cable of the cable crane to the ground, providing a solution for construction environments with poor geological conditions and limited space. However, there are still the following technical problems in the actual use of this solution: As Figure 1 shown, the main cable steel cable of the crane is generally anchored on the main anchor pile and then turned through the guide pile. However, during the use process, a certain offset will occur in the part of the main cable steel cable on the guide pile. Even a very small offset displacement distance will affect the anchoring effect of the main cable steel cable and the entire main cable anchorage device. In order to monitor the offset amount of the main cable steel cable on the main cable anchorage device in real time, we need to provide a main cable anchorage device for a cable crane in bridge construction. Summary of the Invention

[0004] The purpose of the present invention is to provide a technical solution to monitor the main cable steel cable on the guide pile in real time through a special motion form, and at the same time cooperate with a cleaning part to maintain the steel cable, so as to solve the problems in the prior art mentioned in the above background art.

[0005] To achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A main cable anchorage device for a cable crane in bridge construction, comprising:

[0007] A bearing platform and a guide pile and a main anchor pile arranged on the bearing platform through a pile foundation. The main cable steel cable is sleeved and fixed on the main anchor pile, and multiple groups of main cable steel cables are wound around the guide pile to serve as the main cable of the crane;

[0008] The pile foundation comprises an anchor bar pile group pile composed of several vertically annularly driven anchor bar piles, and several pile foundations pass through the bearing platform and are anchored to the ground;

[0009] A monitoring mechanism is arranged on the guide pile. The monitoring mechanism monitors the displacement of the main cable steel cable wound around the guide pile to prevent the main cable steel cable from being excessively offset on the guide pile, thereby affecting the anchoring effect of the main cable of the crane.

[0010] Preferably, the monitoring mechanism includes a monitoring rod, the monitoring rod includes a displacement sensor and a contact member, the contact member is installed at the end of the probe of the displacement sensor, and the contact member continuously contacts the main cable while moving around on the guide pile.

[0011] Preferably, the contact member is set as a grooved pulley, the grooved pulley fits on the surface of the main cable and moves, and when the grooved pulley moves around on the guide pile, the grooved pulley only contacts the part of the main cable wound around the guide pile.

[0012] Preferably, the monitoring mechanism includes a positioning seat, a walking path groove is opened on the positioning seat, and the walking path groove is used to limit the movement path of the contact member so that the contact member moves around on the guide pile.

[0013] Preferably, the monitoring rod includes a support spring, the displacement sensor is installed at the bottom of the support spring, an outer shell is arranged outside the displacement sensor and the support spring, a positioning rod is arranged on the side surface of the outer shell, and the positioning rod moves in the walking path groove.

[0014] Preferably, the monitoring mechanism includes a support seat, a rotating wheel is rotatably installed on the support seat, a limiting seat is arranged on the rotating wheel, a sliding groove is opened on the limiting seat, a collar is slidably installed inside the sliding groove, a pressing spring for supporting the collar is arranged inside the sliding groove, a limiting rod is connected to the outer shell, and the limiting rod is slidably inserted into the collar.

[0015] Preferably, a fixing member is connected to the grooved pulley, a cleaning member is fixedly connected to the fixing member, and when the grooved pulley moves around on the guide pile, the cleaning member moves with the grooved pulley to clean the main cable;

[0016] Two groups of the limiting seats and the monitoring rods are provided, and under the combined drive of the rotating wheel and the limiting seat, the two groups of monitoring rods alternately clean the main cable.

[0017] Preferably, the walking path groove of the positioning seat includes a first upward movement path and a second upward movement path. When the monitoring rod moves around on the guide pile, the contact member will move upward at the positions of the first upward movement path and the second upward movement path to conform to the winding shape of the main cable on the guide pile.

[0018] Preferably, a driver is installed on the support seat, a driving wheel is installed on the output shaft of the driver, and the driving wheel is drivingly installed with the rotating wheel; a rotating seat is arranged on the support seat, and the rotating wheel is rotatably installed on the support seat through the rotating seat.

[0019] Preferably, a fixed seat is fixedly connected to the bottom of the support seat, and mounting bolts are arranged on the fixed seat. The support seat is fixedly installed on the surface of the bearing platform through the fixed seat and the mounting bolts.

[0020] Technical effects and advantages of the present invention: The main cable anchor device for a cable crane in bridge construction proposed by the present invention has the following advantages compared with the prior art:

[0021] 1. By arranging a monitoring rod that can move around on the main cable of the guide pile, the offset amount on the main cable of the guide pile can be monitored in real time, enabling the staff to monitor the anchoring situation of the main cable in real time;

[0022] 2. By setting a special circular motion trajectory, the monitoring rod contacts the main cable in the form of a grooved pulley or other types of contact parts, so as to focus on monitoring the surrounding position of the main cable on the guide pile;

[0023] 3. While monitoring the circular motion, the main cable is cleaned by the cleaning part in the same motion mode. After cleaning the main cable, the friction between the cable and the guide pile can be reduced and corrosion can be prevented. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 One of the schematic diagrams of the structures such as the bearing platform, guide pile and main anchor pile in the anchor device of the present invention;

[0025] Figure 2 Another schematic diagram of the structures such as the bearing platform, guide pile and main anchor pile in the anchor device of the present invention;

[0026] Figure 3 For the present invention Figure 2 The enlarged structural schematic diagram of the A position in;

[0027] Figure 4 The partial schematic diagram of the bearing platform, guide pile and main anchor pile in the anchor device of the present invention;

[0028] Figure 5 The structural schematic diagram of the main cable and the monitoring mechanism in the present invention;

[0029] Figure 6 One of the structural schematic diagrams of the monitoring mechanism of the present invention;

[0030] Figure 7 Another structural schematic diagram of the monitoring mechanism of the present invention;

[0031] Figure 8 Another structural schematic diagram of the monitoring mechanism of the present invention;

[0032] Figure 9 Another structural schematic diagram of the monitoring mechanism of the present invention;

[0033] Figure 10 For the present invention Figure 9 Schematic enlarged structure diagram at location A in the present invention;

[0034] Figure 11 One of the schematic structure diagrams of the positioning seat and the monitoring rod of the present invention;

[0035] Figure 12 Two of the schematic structure diagrams of the positioning seat and the monitoring rod of the present invention.

[0036] In the figure:

[0037] 1. Monitoring mechanism; 2. Guide pile; 3. Main anchor pile; 4. Main cable steel cable; 5. Pile foundation; 51. Anchor bar pile; 6. Cap;

[0038] 11. Support seat; 12. Fixed seat; 13. Rotating wheel; 14. Driving wheel; 15. Rotating seat; 16. Positioning seat; 17. Monitoring rod; 18. Travel path groove; 19. Limiting seat; 110. Chute; 111. Collar; 112. Compression spring; 113. Driver;

[0039] 171. Grooved pulley; 172. Displacement sensor; 173. Support spring; 174. Housing; 175. Limiting rod; 176. Fixed part; 177. Cleaning part; 178. Positioning rod; 181. First upward movement path; 182. Second upward movement path. Detailed implementation manners

[0040] Now, the subject matter described herein will be discussed with reference to exemplary embodiments. It should be understood that discussing these embodiments is only to enable those skilled in the art to better understand and thus implement the subject matter described herein. Without departing from the scope of protection of the content of this specification, changes can be made to the functions and arrangements of the elements discussed. Each example can omit, substitute, or add various processes or components as needed. Additionally, the features described in some examples can also be combined in other examples.

[0041] The invention provides as Figures 1 - 12 shown, a main cable anchor device for a cable crane in bridge construction, comprising:

[0042] A cap 6, a guide pile 2 and a main anchor pile 3 provided on the cap 6 through a pile foundation 5. A main cable steel cable 4 is sleeved and fixed on the main anchor pile 3, and multiple groups of main cable steel cables 4 are wound around the guide pile 2 to serve as the main cables of the crane;

[0043] The pile foundation 5 includes a group of pile foundation 51 composed of a plurality of annularly driven anchor bar piles 51 in the vertical direction, and a plurality of pile foundations 5 pass through the cap 6 and are anchored to the ground;

[0044] A monitoring mechanism 1 is provided on the guiding pile 2. The monitoring mechanism 1 monitors the displacement of the main cable 4 wound around the guiding pile 2 to prevent the main cable 4 from being excessively deflected on the guiding pile 2, thus affecting the anchoring effect of the main cable of the crane.

[0045] Working principle: By installing a monitoring mechanism 1 on the guiding pile 2, this mechanism is responsible for monitoring the displacement of the main cable 4 wound around the guiding pile 2; displacement monitoring, the monitoring mechanism 1 ensures that the cable does not deflect excessively by monitoring the displacement of the main cable 4 on the guiding pile 2 in real time, thus ensuring the anchoring effect of the main cable of the crane; improving safety, through the real-time displacement monitoring of the main cable 4 by the monitoring mechanism 1, the deflection of the cable can be detected and corrected in time, avoiding safety accidents caused by deflection; enhancing stability, ensuring the correct position of the main cable 4 on the guiding pile 2 helps to improve the stability and reliability of the entire crane system; real-time monitoring can prevent potential structural problems, reduce maintenance costs and downtime; by preventing the excessive deflection of the main cable 4, the wear of the cable can be reduced.

[0046] As Figure 8 and Figure 11 shown, regarding the specific structure of the monitoring mechanism 1, the monitoring mechanism 1 includes a monitoring rod 17. The monitoring rod 17 includes a displacement sensor 172 and a contact member. The contact member is installed at the probe end of the displacement sensor 172, and the contact member continuously contacts the main cable 4 while moving around on the guiding pile 2. Optionally, as Figure 6 and Figure 8 shown, in order to have a better contact form between the contact member and the main cable 4, the contact member is set as a grooved pulley 171. The grooved pulley 171 moves along the surface of the main cable 4. When the grooved pulley 171 moves around on the guiding pile 2, the grooved pulley 171 only contacts the part of the main cable 4 wound around the guiding pile 2.

[0047] As Figure 9 、 Figure 11 and Figure 12 shown, in order to adapt to the winding form of the main cable 4 on the guiding pile 2 and cooperate with the corresponding circumferential movement mode, the monitoring mechanism 1 includes a positioning seat 16. A walking path groove 18 is opened on the positioning seat 16. The walking path groove 18 is used to limit the movement path of the contact member so that the contact member moves around on the guiding pile 2. Specifically, the walking path groove 18 of the positioning seat 16 includes a first upward movement path 181 and a second upward movement path 182. When the monitoring rod 17 moves around on the guiding pile 2, the contact member will move upward at the positions of the first upward movement path 181 and the second upward movement path 182 to conform to the winding shape of the main cable 4 on the guiding pile 2.

[0048] Specifically, as Figure 8 andFigure 11 As shown, in order to provide a certain buffer distance for the displacement sensor 172, the monitoring rod 17 includes a support spring 173. The displacement sensor 172 is installed at the bottom of the support spring 173. An outer shell 174 is provided outside the displacement sensor 172 and the support spring 173. A positioning rod 178 is provided on the side of the outer shell 174, and the positioning rod 178 moves in the walking path groove 18.

[0049] Specifically, as Figure 7 As shown, regarding the driving method of the rotating wheel 13, the monitoring mechanism 1 includes a support base 11. A rotating wheel 13 is rotatably installed on the support base 11. A limit seat 19 is provided on the rotating wheel 13. A sliding groove 110 is formed in the limit seat 19. A collar 111 is slidably installed inside the sliding groove 110. A pressing spring 112 for supporting the collar 111 is provided inside the sliding groove 110. A limit rod 175 is connected to the outer shell 174, and the limit rod 175 is slidably inserted into the collar 111.

[0050] As Figure 10 As shown, in order to clean the main cable 4 while monitoring the main cable 4, a fixing member 176 is connected to the sheave 171. A cleaning member 177 is fixedly connected to the fixing member 176. When the sheave 171 moves around the guide pile 2, the cleaning member 177 moves with the sheave 171 to clean the main cable 4; two sets of the limit seats 19 and the monitoring rods 17 are provided. Driven by the cooperation of the rotating wheel 13 and the limit seat 19, the two sets of monitoring rods 17 alternately clean the main cable 4. Specifically, a driver 113 is installed on the support base 11. A driving wheel 14 is installed on the output shaft of the driver 113, and the driving wheel 14 is drivingly installed with the rotating wheel 13; a rotating seat 15 is provided on the support base 11, and the rotating wheel 13 is rotatably installed on the support base 11 through the rotating seat 15.

[0051] As Figure 6 and Figure 7 As shown, during the actual use process, the surface of the bearing platform 6 will also undergo a certain degree of deformation. In order to use the bearing platform 6 as the structural installation foundation and ensure the necessary stability, the bottom of the support base 11 is fixedly connected with a fixed base 12. Installation bolts are provided on the fixed base 12, and the support base 11 is fixedly installed on the surface of the bearing platform 6 through the fixed base 12 and the installation bolts.

[0052] In summary, the present invention also has the following comprehensive effects: The monitoring mechanism 1 is provided. The monitoring mechanism 1 is provided on the guiding pile 2, and this mechanism is specifically used to monitor the displacement of the main cable 4 on the guiding pile 2; The monitoring rod 17 and the displacement sensor 172, the monitoring mechanism 1 includes a monitoring rod 17, and a displacement sensor 172 and a contact member are installed on the monitoring rod 17. The contact member is installed at the probe end of the displacement sensor 172 and is used to directly contact the main cable 4; Contact with the sheave 171, the contact member is designed as a sheave 171, and this sheave 171 moves on the surface of the main cable 4 and only contacts a part of the main cable 4 wound around the guiding pile 2; The positioning seat 16 and the running path groove 18, the monitoring mechanism 1 further includes a positioning seat 16, and a running path groove 18 is provided on the positioning seat 16 to limit the movement path of the contact member and ensure that the contact member moves correctly around the guiding pile 2; The support spring 173 and the outer shell 174, the displacement sensor 172 is installed at the bottom of the support spring 173, and an outer shell 174 is provided outside. A positioning rod 178 is provided on the side surface of the outer shell 174, and the positioning rod 178 moves in the running path groove 18; The support seat 11 and the rotating wheel 13, the monitoring mechanism 1 further includes a support seat 11, a rotating wheel 13 is rotatably installed on the support seat 11, a limiting seat 19 is provided on the rotating wheel 13, and a chute 110 is provided on the limiting seat 19; The cleaning member 177, a fixing member 176 is connected to the sheave 171, and a cleaning member 177 is fixedly connected to the fixing member 176. The cleaning member 177 cleans the main cable 4 when the sheave 171 moves; Driving and fixing, a driver 113 is installed on the support seat 11, a driving wheel 14 is installed on the output shaft of the driver 113, and the driving wheel 14 is drivingly installed with the rotating wheel 13. The support seat 11 is fixed on the bearing platform 6 through a fixing seat 12 and mounting bolts;

[0053] Real-time monitoring, by providing the monitoring mechanism 1 on the guiding pile 2, the offset of the main cable 4 can be monitored in real time, and potential anchoring problems can be discovered and processed in time; Surrounding motion monitoring, the special design on the monitoring rod 17 makes the monitoring focus more on the surrounding position of the main cable 4 on the guiding pile 2, improving the accuracy of monitoring; Reducing friction and anti-corrosion, the cleaning member 177 cleans the main cable 4 during monitoring, reducing the friction between the cable and the guiding pile 2 and preventing the cable from corroding at the same time; Improving safety, through real-time monitoring and timely maintenance, the safety and reliability of the entire main cable anchorage device are improved; Easy maintenance, the design of the cleaning member 177 makes the maintenance work of the main cable 4 easier, reducing the maintenance cost and workload; Extending the service life, by reducing friction and anti-corrosion, the service life of the main cable 4 and the entire anchorage device is effectively extended; Improving work efficiency, the automated design of the monitoring mechanism 1 improves the work efficiency of monitoring and maintenance.

[0054] The embodiments of the present invention have been described above. However, these embodiments are not limited to the above specific implementation manners. The above specific implementation manners are merely illustrative rather than restrictive. Under the inspiration of these embodiments, those of ordinary skill in the art can also make many forms, all of which fall within the protection scope of these embodiments.

Claims

1. A main cable anchorage device for a cable crane in bridge construction, characterized in that, Comprising: A bearing platform (6), a guiding pile (2) and a main anchor pile (3) arranged on the bearing platform (6) through a pile foundation (5). A main cable steel cable (4) is sleeved and fixed on the main anchor pile (3), and multiple groups of main cable steel cables (4) are wound around the guiding pile (2) to serve as the main cables of the crane; The pile foundation (5) includes a group of anchor bar piles (51) composed of several vertically annularly driven anchor bar piles (51), and several pile foundations (5) pass through the bearing platform (6) and are anchored to the ground; A monitoring mechanism (1) is arranged on the guiding pile (2), and the monitoring mechanism (1) monitors the displacement of the main cable steel cable (4) wound on the guiding pile (2) to prevent the main cable steel cable (4) from excessively deviating on the guiding pile (2) and thus affecting the anchoring effect of the main cable of the crane.

2. The main cable anchorage device for a cable crane in bridge construction according to claim 1, characterized in that, The monitoring mechanism (1) includes a monitoring rod (17), and the monitoring rod (17) includes a displacement sensor (172) and a contact member. The contact member is installed at the probe end of the displacement sensor (172), and while continuously contacting the main cable steel cable (4), it moves around on the guiding pile (2).

3. The main cable anchorage device for a cable crane in bridge construction according to claim 2, characterized in that, The contact member is set as a grooved pulley (171), and the grooved pulley (171) moves along the surface of the main cable steel cable (4). When the grooved pulley (171) moves around on the guiding pile (2), the grooved pulley (171) only contacts the part of the main cable steel cable (4) wound on the guiding pile (2).

4. The main cable anchorage device for a cable crane in bridge construction according to claim 3, characterized in that, The monitoring mechanism (1) includes a positioning seat (16), and a walking path groove (18) is opened on the positioning seat (16). The walking path groove (18) is used to limit the movement path of the contact member so that the contact member moves around on the guiding pile (2).

5. The main cable anchorage device for a cable crane in bridge construction according to claim 4, characterized in that, The monitoring rod (17) includes a support spring (173), the displacement sensor (172) is installed at the bottom of the support spring (173), an outer shell (174) is arranged outside the displacement sensor (172) and the support spring (173), and a positioning rod (178) is arranged on the side surface of the outer shell (174). The positioning rod (178) moves in the walking path groove (18).

6. The main cable anchorage device for a cable crane in bridge construction according to claim 5, characterized in that, The monitoring mechanism (1) includes a support seat (11), a rotating wheel (13) is rotatably installed on the support seat (11), a limiting seat (19) is arranged on the rotating wheel (13), a sliding groove (110) is opened on the limiting seat (19), a collar (111) is slidably installed inside the sliding groove (110), a pressing spring (112) for supporting the collar (111) is arranged inside the sliding groove (110), and a limiting rod (175) is connected to the outer shell (174). The limiting rod (175) is slidably inserted into the collar (111).

7. The main cable anchorage device for a cable crane in bridge construction according to claim 6, characterized in that, A fixing member (176) is connected to the grooved pulley (171), and a cleaning member (177) is fixedly connected to the fixing member (176). When the grooved pulley (171) moves around on the guiding pile (2), the cleaning member (177) moves along with the grooved pulley (171) to clean the main cable steel cable (4); The limit seat (19) and the monitoring rod (17) are provided in two groups. Under the cooperative drive of the rotating wheel (13) and the limit seat (19), the two groups of monitoring rods (17) clean the main cable steel cable (4) alternately.

8. The main cable anchorage device for a cable crane in bridge construction according to claim 4, characterized in that, The travel path groove (18) of the positioning seat (16) includes a first upward path (181) and a second upward path (182). When the monitoring rod (17) moves around on the guide pile (2), the contact piece will move upward at the positions of the first upward path (181) and the second upward path (182) to conform to the winding shape of the main cable steel cable (4) on the guide pile (2).

9. The main cable anchorage device for a cable crane in bridge construction according to claim 6, characterized in that, A driver (113) is mounted on the support seat (11); a driving wheel (14) is mounted on the output shaft of the driver (113); the driving wheel (14) is transmission-mounted with the rotating wheel (13); a rotating seat (15) is provided on the support seat (11); the rotating wheel (13) is rotatably mounted on the support seat (11) via the rotating seat (15).

10. The main cable anchorage device for a cable crane in bridge construction according to claim 9, characterized in that, The bottom of the support seat (11) is fixedly connected to a fixing seat (12), and the fixing seat (12) is provided with mounting bolts. The support seat (11) is fixedly mounted on the surface of the support platform (6) via the fixing seat (12) and the mounting bolts.

Images