Bridge construction cable crane main cable anchoring device

Abstract

The present invention relates to the technical field of underground pile foundations, and discloses a main cable anchoring device for a cable crane for bridge construction, comprising a pedestal, a guide pile, and a main anchor pile. A main cable steel cable is fixedly sleeved on the main anchor pile, and multiple groups of main cable steel cables are wound through the guide pile to serve as the main cable of the crane. A monitoring mechanism is provided on the guide pile, and the monitoring mechanism monitors the displacement of the main cable steel cable wound on the guide pile to prevent the main cable steel cable from excessively deflecting on the guide pile, thereby affecting the anchoring effect of the main cable of the crane. The present invention provides a monitoring rod that can move around on the main cable steel cable of the guide pile, which can monitor the offset of the main cable steel cable on the guide pile in real time, so that the staff can monitor the anchoring condition of the main cable steel cable in real time; by providing a special surrounding motion trajectory, the monitoring rod is in contact with the main cable steel cable through a groove wheel or other types of contact members, thereby focusing on monitoring the surrounding position of the main cable steel cable on the guide pile.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of underground pile foundation, in particular to a bridge construction cable crane main cable anchorage device. BACKGROUND

[0002] In bridge construction, cable cranes are generally used for lifting and installation. A cable crane mainly consists of an anchorage system, a main cable system, a traction system, a lifting system and a mechanical system. Generally, the anchorage system mainly adopts the form of rock anchors and gravity anchors. The use of rock anchors requires good geological conditions at the location to meet the requirements of anchor cable tension resistance.

[0003] A cable crane main cable anchorage device (application number CN202321345598.9) is disclosed in the prior art. The 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, this solution still has the following technical problems in actual use: Figure 1 As shown, the main cable of the crane is generally anchored on the main anchor pile and then diverted through the guide pile. However, during use, the part of the main cable on the guide pile may deviate to some extent. Even a small deviation distance can affect the anchoring effect of the main cable and the entire main cable anchorage device. To monitor the deviation of the main cable on the main cable anchorage device in real time, we need to provide a bridge construction cable crane main cable anchorage device. SUMMARY

[0004] The purpose of the present application is to provide a technical solution that monitors the main cable on the guide pile in real time through a special movement form, and simultaneously maintains the cable with a cleaning element, to solve the problems in the prior art mentioned in the background.

[0005] To achieve the above-mentioned purpose, the present application adopts the following technical solution:

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

[0007] a pile foundation, a guide pile and a main anchor pile arranged on the pile foundation, a main cable is sleeved and fixed on the main anchor pile, and a plurality of groups of main cables are wound around the guide pile as crane main cables;

[0008] The pile foundation comprises a group of anchor reinforcement piles arranged vertically in a ring shape, and a plurality of pile foundations are anchored to the ground through the pile cap;

[0009] A monitoring mechanism is arranged on the guide pile to monitor the displacement of the main cable wound around the guide pile, so as to prevent the main cable from deviating excessively on the guide pile and affecting the anchoring effect of the crane main cable.

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

[0011] Preferably, the contact piece is provided as a grooved wheel, the grooved wheel moves in close contact with the surface of the main cable, and the grooved wheel only contacts the main cable in the part of the main cable around the guide pile when the grooved wheel moves around the guide pile.

[0012] Preferably, the monitoring mechanism comprises a positioning seat, the positioning seat is provided with a walking path groove, the walking path groove is used to limit the movement path of the contact piece, so that the contact piece moves around the guide pile.

[0013] Preferably, the monitoring rod comprises a supporting spring, the displacement sensor is installed at the bottom of the supporting spring, the displacement sensor and the supporting spring are provided with an outer shell, the side surface of the outer shell is provided with a positioning rod, and the positioning rod moves in the walking path groove.

[0014] Preferably, the monitoring mechanism comprises a supporting seat, the supporting seat is rotatably installed with a rotating wheel, the rotating wheel is provided with a limiting seat, the limiting seat is provided with a sliding groove, a sleeve ring is slidably installed in the sliding groove, the sliding groove is provided with a compression spring for supporting the sleeve ring, the limiting seat is connected with a limiting rod, and the limiting rod is slidably inserted in the sleeve ring.

[0015] Preferably, the grooved wheel is connected with a fixing piece, the fixing piece is fixedly connected with a cleaning piece, and the cleaning piece moves with the grooved wheel to clean the main cable when the grooved wheel moves around the guide pile.

[0016] The limiting seat and the monitoring rod are provided with two groups, and the two groups of monitoring rods alternately clean the main cable under the cooperation and driving of the rotating wheel and the limiting seat.

[0017] Preferably, the walking path groove of the positioning seat comprises a first upward movement path and a second upward movement path, and the contact piece moves upward at the positions of the first upward movement path and the second upward movement path when the monitoring rod moves around the guide pile, so as to conform to the shape of the main cable around the guide pile.

[0018] Preferably, the supporting seat is installed with a driver, the output shaft of the driver is installed with a driving wheel, the driving wheel is transmissionally installed with the rotating wheel, and the supporting seat is provided with a rotating seat, and the rotating wheel is rotatably installed on the supporting seat through the rotating seat.

[0019] Preferably, the bottom of the support base is fixedly connected with a fixing base, mounting bolts are arranged on the fixing base, and the support base is fixedly mounted on the surface of the bearing platform through the fixing base and the mounting bolts.

[0020] The technical effect and advantages of the present application: the bridge construction cable crane main cable anchorage device provided by the present application has the following advantages compared with the prior art:

[0021] 1. By arranging the monitoring rod capable of circumferential movement on the main cable steel cable of the guide pile, the displacement of the main cable steel cable on the guide pile can be monitored in real time, so that the anchoring condition of the main cable steel cable can be monitored in real time by the staff;

[0022] 2. By arranging a special circumferential movement track, the monitoring rod is in contact with the main cable steel cable in the form of a groove wheel or other types of contact pieces, so that the circumferential position of the main cable steel cable on the guide pile is monitored;

[0023] 3. While performing circumferential movement monitoring, the main cable steel cable is cleaned by the cleaning piece in the same movement manner, so that the friction between the steel cable and the guide pile is reduced and corrosion is prevented after the main cable steel cable is cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a schematic view of the structure of the bearing platform, the guide pile and the main anchor pile in the anchorage device of the present application;

[0025] Figure 2 It is a schematic view of the structure of the bearing platform, the guide pile and the main anchor pile in the anchorage device of the present application;

[0026] Figure 3 It is an enlarged structural schematic view of A in the present application; Figure 2

[0027] Figure 4 It is a partial schematic view of the bearing platform, the guide pile and the main anchor pile in the anchorage device of the present application;

[0028] Figure 5 It is a structural schematic view of the main cable steel cable and the monitoring mechanism in the present application;

[0029] Figure 6 It is a structural schematic view of the monitoring mechanism in the present application;

[0030] Figure 7 It is a structural schematic view of the monitoring mechanism in the present application;

[0031] Figure 8 It is a structural schematic view of the monitoring mechanism in the present application;

[0032] Figure 9 It is a structural schematic view of the monitoring mechanism in the present application; ​

[0033] Figure 10 For the invention Figure 9 Amplification structure schematic diagram at A in the invention;

[0034] Figure 11 Structure schematic diagram of positioning seat and monitoring rod of the invention;

[0035] Figure 12 Structure schematic diagram of positioning seat and monitoring rod of the invention.

[0036] In the figure:

[0037] 1, monitoring mechanism; 2, guide pile; 3, main anchor pile; 4, main cable; 5, pile foundation; 51, anchor pile; 6, pile cap;

[0038] 11, support seat; 12, fixed seat; 13, rotating wheel; 14, driving wheel; 15, rotating seat; 16, positioning seat; 17, monitoring rod; 18, walking path groove; 19, limiting seat; 110, sliding groove; 111, sleeve ring; 112, compression spring; 113, driver;

[0039] 171, groove wheel; 172, displacement sensor; 173, supporting spring; 174, shell; 175, limiting rod; 176, fixing piece; 177, cleaning piece; 178, positioning rod; 181, first upward moving path; 182, second upward moving path. DETAILED DESCRIPTION

[0040] The subject matter described herein will now be discussed with reference to example implementations. It should be understood that the discussion of these implementations is merely meant to provide a better understanding of the subject matter described herein and can be changed in function and arrangement without departing from the scope of the present description. Various examples can omit, substitute, or add various procedures or components as appropriate. Also, features described with respect to some examples can be combined in other examples.

[0041] The invention provides a bridge construction cable crane main cable anchorage device as shown in Figures 1-12 The invention provides a bridge construction cable crane main cable anchorage device as shown in

[0042] The pile cap 6 and the guide pile 2 and the main anchor pile 3 arranged on the pile cap 6 by the pile foundation 5, the main cable 4 is sleeved and fixed on the main anchor pile 3, and a plurality of groups of main cables 4 are arranged around the guide pile 2 as the crane main cable;

[0043] The pile foundation 5 includes a group of anchor piles 51 arranged in a vertical ring shape, and a plurality of pile foundations 5 are anchored to the ground through the pile cap 6;

[0044] The monitoring mechanism 1 is arranged on the guide pile 2, and the monitoring mechanism 1 monitors the displacement of the main cable 4 wound on the guide pile 2 to prevent the main cable 4 from being excessively offset on the guide pile 2, thereby affecting the anchoring effect of the crane main cable.

[0045] Working principle: By installing the monitoring mechanism 1 on the guide pile 2, the mechanism is responsible for monitoring the displacement of the main cable 4 wound on the guide pile 2; displacement monitoring, the monitoring mechanism 1 monitors the displacement of the main cable 4 on the guide pile 2 in real time to ensure that the cable does not excessively offset, thereby ensuring the anchoring effect of the crane main cable; improve safety, through the real-time displacement monitoring of the monitoring mechanism 1 on the main cable 4, the offset of the cable can be found and corrected in time to avoid safety accidents caused by the offset; enhance stability, ensure the correct position of the main cable 4 on the guide pile 2, which 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 offset of the main cable 4, the wear of the cable can be reduced.

[0046] As shown in Figure 8 and Figure 11 , 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 piece, the contact piece is installed at the probe end of the displacement sensor 172, and the contact piece continuously contacts the main cable 4 while moving around the guide pile 2. Optionally, as shown in Figure 6 and Figure 8 , in order to have a better contact form between the contact piece and the main cable 4, the contact piece is provided as a groove wheel 171, which moves in close contact with the surface of the main cable 4, and when the groove wheel 171 moves around the guide pile 2, the groove wheel 171 only contacts the part of the main cable 4 wound on the guide pile 2.

[0047] As shown in Figure 9 , Figure 11 and Figure 12 , in order to adapt to the form of the main cable 4 wound on the guide pile 2 and cooperate with the corresponding movement mode, the monitoring mechanism 1 includes a positioning seat 16, the positioning seat 16 is provided with a walking path groove 18, the walking path groove 18 is used to limit the movement path of the contact piece, so that the contact piece moves around the guide pile 2. Specifically, the walking path groove 18 of the positioning seat 16 includes a first upward path 181 and a second upward path 182, and when the monitoring rod 17 moves around 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 4 on the guide pile 2.

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

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

[0050] like Figure 10 As shown, in order to clean the main cable steel cable 4 while monitoring it, a fixing member 176 is connected to the sheave 171, and 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 steel cable 4. The limiting seat 19 and the monitoring rod 17 are provided in two groups. Under the cooperative drive of the rotating wheel 13 and the limiting seat 19, the two groups of monitoring rods 17 alternately clean the main cable steel cable 4. Specifically, a driver 113 is installed on the support seat 11, and a driving wheel 14 is installed on the output shaft of the driver 113. The driving wheel 14 is transmission-mounted with the rotating wheel 13. The support seat 11 is provided with a rotating seat 15, and the rotating wheel 13 is rotatably mounted on the support seat 11 via the rotating seat 15.

[0051] like Figure 6 and Figure 7 As shown, during actual use, the surface of the base 6 will also deform to a certain extent. In order to use the base 6 as the structural installation basis and ensure the necessary stability, the bottom of the support seat 11 is fixedly connected to the fixing seat 12, and the fixing seat 12 is provided with mounting bolts. The support seat 11 is fixedly installed on the surface of the base 6 through the fixing seat 12 and the mounting bolts.

[0052] In summary, the application also has the following comprehensive effects: the monitoring mechanism 1 is arranged on the guide pile 2, and the mechanism is specially used for monitoring the displacement of the main cable 4 on the guide pile 2; the monitoring rod 17 is provided with the displacement sensor 172, the monitoring mechanism 1 comprises the monitoring rod 17, the monitoring rod 17 is provided with the displacement sensor 172 and a contact piece. The contact piece is installed at the probe end of the displacement sensor 172 and is used for directly contacting the main cable 4; the contact piece is designed as a groove wheel 171, the groove wheel 171 moves on the surface of the main cable 4 and only contacts the part of the main cable 4 wound on the guide pile 2; the positioning seat 16 is provided with the walking path groove 18, the monitoring mechanism 1 further comprises the positioning seat 16, the positioning seat 16 is provided with the walking path groove 18, the movement path of the contact piece is limited, and the correct movement of the contact piece around the guide pile 2 is ensured; the support spring 173 is provided with the shell 174, the displacement sensor 172 is installed at the bottom of the support spring 173, the shell 174 is arranged outside, the side surface of the shell 174 is provided with the positioning rod 178, and the positioning rod 178 moves in the walking path groove 18; the support seat 11 is provided with the rotating wheel 13, the monitoring mechanism 1 further comprises the support seat 11, the rotating wheel 13 is rotatably installed on the support seat 11, the limiting seat 19 is arranged on the rotating wheel 13, and the sliding groove 110 is arranged on the limiting seat 19; the cleaning piece 177 is connected with the fixing piece 176 on the groove wheel 171, the fixing piece 176 is fixedly connected with the cleaning piece 177, and the cleaning piece 177 cleans the main cable 4 when the groove wheel 171 moves; the support seat 11 is fixed on the bearing platform 6 through the fixing seat 12 and the mounting bolt;

[0053] Real-time monitoring: by arranging the monitoring mechanism 1 on the guide pile 2, the displacement of the main cable 4 can be monitored in real time, potential anchoring problems can be found and handled in time; around movement monitoring: the special design of the monitoring rod 17 makes the monitoring more focused on the around position of the main cable 4 on the guide pile 2, improving the accuracy of the monitoring; reducing friction and preventing corrosion: the cleaning piece 177 cleans the main cable 4 while monitoring, reducing the friction between the cable and the guide pile 2 and preventing the cable from corroding; improving safety: through real-time monitoring and timely maintenance, the safety and reliability of the whole main cable anchoring device are improved; convenient maintenance: the design of the cleaning piece 177 makes the maintenance of the main cable 4 more convenient, reducing the maintenance cost and workload; prolonging the service life: by reducing friction and preventing corrosion, the service life of the main cable 4 and the whole anchoring device is effectively prolonged; improving work efficiency: the automatic design of the monitoring mechanism 1 improves the work efficiency of monitoring and maintenance.

[0054] The above describes the embodiments of the present application, but the embodiments are not limited to the above specific embodiments, and the above specific embodiments are only illustrative but not restrictive, and those skilled in the art can make many forms under the inspiration of the embodiments, which all belong to the protection of the embodiments.

Claims

1. A main cable anchoring device for a bridge construction cable crane, characterized in that: include: A cap (6) and a guide pile (2) and a main anchor pile (3) arranged 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; The pile foundation (5) comprises a group of anchor piles (51) consisting of a plurality of vertical anchor piles (51) driven in a circular shape, and the plurality of pile foundations (5) pass through the cap (6) and are anchored to the ground; A monitoring mechanism (1) is provided on the guide pile (2), and the monitoring mechanism (1) monitors the displacement of the main cable steel cable (4) wound on the guide pile (2) to prevent the main cable steel cable (4) from excessively deflecting on the guide pile (2) and thus affecting the anchoring effect of the crane main cable; 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 mounted on the end of a probe of the displacement sensor (172), and the contact member continuously contacts the main cable (4) while moving around on the guide pile (2); The contact member is configured as a sheave (171), and the sheave (171) moves in contact with the surface of the main cable steel cable (4). When the sheave (171) moves around the guide pile (2), the sheave (171) only contacts the portion of the main cable steel cable (4) wound around the guide pile (2). The monitoring mechanism (1) includes a positioning seat (16), the positioning seat (16) is provided with a travel path groove (18), and the travel path groove (18) is used to limit the movement path of the contact member so that the contact member moves around on the guide pile (2); The monitoring rod (17) includes a support spring (173), the displacement sensor (172) is installed at the bottom of the support spring (173), a housing (174) is provided outside the displacement sensor (172) and the support spring (173), and a positioning rod (178) is provided on the side of the housing (174), and the positioning rod (178) moves in the walking path groove (18).

2. The main cable anchoring device of a bridge construction cable crane according to claim 1, characterized in that: The monitoring mechanism (1) includes a support seat (11), a rotating wheel (13) is rotatably mounted on the support seat (11), a limiting seat (19) is provided on the rotating wheel (13), a sliding groove (110) is provided on the limiting seat (19), a collar (111) is slidably mounted inside the sliding groove (110), a compression spring (112) for supporting the collar (111) is provided inside the sliding groove (110), a limiting rod (175) is connected to the housing (174), and the limiting rod (175) is slidably inserted into the collar (111).

3. The main cable anchoring device of a bridge construction cable crane according to claim 2, characterized in that: The sheave (171) is connected to a fixing member (176), and the fixing member (176) is fixedly connected to a cleaning member (177). When the sheave (171) moves around the guide pile (2), the cleaning member (177) moves along with the sheave (171) to clean the main cable (4). The limiting seat (19) and the monitoring rod (17) are provided in two groups. Under the cooperative driving of the rotating wheel (13) and the limiting seat (19), the two groups of monitoring rods (17) clean the main cable (4) alternately.

4. The main cable anchoring device of a cable crane for bridge construction according to claim 1, characterized in that: The walking path groove (18) of the positioning seat (16) includes a first upward moving path (181) and a second upward moving 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 moving path (181) and the second upward moving path (182) to conform to the winding shape of the main cable (4) on the guide pile (2).

5. The main cable anchoring device of a cable crane for bridge construction according to claim 2, characterized in that: A driver (113) is mounted on the support base (11), a driving wheel (14) is mounted on the output shaft of the driver (113), and the driving wheel (14) is transmission-mounted with the rotating wheel (13); a rotating base (15) is provided on the support base (11), and the rotating wheel (13) is rotationally mounted on the support base (11) via the rotating base (15).

6. The main cable anchoring device of a cable crane for bridge construction according to claim 5, 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) through the fixing seat (12) and the mounting bolts.

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