Auxiliary mounting frame of cable-stayed bridge cable conduit

Abstract

The utility model discloses an auxiliary mounting frame of a cable-stayed bridge cable duct, which comprises a bottom frame and a movable frame, one end of the movable frame is rotatably connected to the bottom frame, and a driving mechanism capable of driving the free end of the movable frame to rotate relative to the bottom frame so as to adjust the inclination angle of the cable duct is arranged on the bottom frame. The movable frame is provided with a clamping and fixing piece capable of clamping and fixing the cable guide pipe and a position adjusting piece capable of driving the clamping and fixing piece to adjust the position of the cable guide pipe in the width direction of the movable frame. The cable guide pipe can be supported in an auxiliary mode without erecting a scaffold on site, the position of the cable guide pipe can be adjusted, and therefore installation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model cable -stayed bridge cable guide pipe auxiliary installation tool's technical field relates to a kind of cable -stayed bridge cable guide pipe auxiliary installation frame. BACKGROUND

[0002] At present, in the construction process of cable-stayed bridge, a plurality of cable guide pipes for passing through stay cable are needed to be installed on the bridge; the cable guide pipe is used for guiding the stay cable and protecting the stay cable; however, during the installation of the cable guide pipe, it is difficult to install in place to meet the design requirements due to the large self-weight of the cable guide pipe; therefore, a lifting method is generally used, a scaffold is erected at the construction position, the cable guide pipe is lifted by hoisting equipment, and positioning and angle adjustment are carried out; although this installation method can achieve the purpose of adjusting the cable guide pipe, a large amount of scaffold needs to be erected at the construction site to assist the support of the lifted cable guide pipe; if the position of the cable guide pipe changes, the position of the scaffold needs to be adjusted accordingly; the scaffold itself cannot adjust the position of the cable guide pipe, and the hoisting equipment needs to be repeatedly matched to lift, thereby reducing the installation efficiency of the cable guide pipe. SUMMARY

[0003] The utility model aims to provide a kind of cable -stayed bridge cable guide pipe auxiliary installation frame, which can assist the support of the cable guide pipe without erecting scaffold on site, and adjust the position of the cable guide pipe, thereby improving the installation efficiency of the cable guide pipe.

[0004] The utility model achieves the purpose by the following technical solutions:

[0005] A kind of cable -stayed bridge cable guide pipe auxiliary installation frame, comprising a chassis, and a movable frame rotatably connected to the chassis at one end, the chassis is provided with a drive mechanism that can drive the free end of the movable frame to rotate relative to the chassis to adjust the inclination angle of the cable guide pipe, the movable frame is provided with a clamping fixture that can clamp and fix the cable guide pipe, and a position adjusting member that can drive the clamping fixture to adjust the position of the cable guide pipe in the width direction of the movable frame.

[0006] Based on the above technical solutions, the utility model can be improved as follows:

[0007] Further, the drive mechanism includes two telescopic arms, one end of the two telescopic arms is respectively hinged on the two sides of the width direction of the chassis, and the other end of the two telescopic arms is respectively hinged on the two sides of the width direction of the movable frame; when the telescopic arms are telescoped, the free end of the movable frame can be driven to rotate up and down relative to the chassis around the connecting end, and a rotation angle A is formed between the movable frame and the chassis.

[0008] Further, the rotation angle A is 0°-90°.

[0009] Further, the clamping fittings are provided with two, one of which is located near one end of the length direction of the movable frame, and the other is located near the other end of the length direction of the movable frame.

[0010] Further, the clamping fittings include two clamps that can form a clamping cavity of the fastening cable guide pipe when locked with each other, the two clamps have a connecting end that can be rotatably connected with each other, and a free end that can be locked with each other.

[0011] Further, the two clamps are provided with arc-shaped grooves on the opposite inner sides, which can be spliced to form the clamping cavity, one end of the arc-shaped grooves is the connecting end, and the other end of the arc-shaped grooves is the free end; the free end of one of the clamps can be rotated around the connecting end to be in butt joint with the free end of the other clamp, and a locking structure is arranged at the butt joint.

[0012] Further, the locking structure includes locking portions arranged on the free ends of the two clamps, and threaded holes are arranged on the locking portions, the free end of one of the clamps can be rotated to be in butt joint with the free end of the other clamp, and the locking portions of the two clamps are threadedly connected by a locking bolt to complete the locking.

[0013] Further, the two clamps are provided with arc-shaped elastic blocks on the inner walls of the arc-shaped grooves, and the arc-shaped elastic blocks are closely attached to the outer circumferential surface of the cable guide pipe when the two clamps are fastened.

[0014] Further, the position adjusting member is an electric guide rail that can form a moving path parallel to the width direction of the movable frame, the electric guide rail has a guide rail body and a sliding block slidingly connected to the guide rail body, and the top surface of the sliding block is fixedly connected to the outer side of one of the clamps.

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] The utility model discloses a rotatable movable frame is arranged on the chassis, a driving mechanism is arranged on the chassis, the free end of the movable frame is rotated relative to the chassis by the driving mechanism, and the inclination angle of the cable guide pipe is adjusted, a clamping fitting is arranged on the movable frame, the cable guide pipe is clamped by the clamping fitting, and a position adjusting member is arranged on the movable frame, the clamping fitting can be driven to move along the width direction of the movable frame by the position adjusting member, and the position of the cable guide pipe in the width direction of the movable frame is adjusted, so that the cable guide pipe can be assisted and supported without erecting a scaffold on the site, and the position of the cable guide pipe can be adjusted, thereby improving the installation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further explained in detail in connection with the drawings and specific embodiments

[0018] Figure 1A structure diagram of an auxiliary installation frame of a cable guide pipe of a cable-stayed bridge in the embodiment.

[0019] Reference signs on the drawing: 1 - base frame, 101 - first bottom bar, 102 - second bottom bar, 103 - third bottom bar, 104 - fourth bottom bar, 2 - movable frame, 201 - first connecting rod, 202 - second connecting rod, 203 - third connecting rod, 204 - fourth connecting rod, 3 - roller, 4 - fixing frame, 5 - handrail, 6 - first telescopic arm, 7 - second telescopic arm, 8 - clamp, 801 - locking part, 9 - locking bolt, 10 - electric guide rail, 11 - controller. DETAILED DESCRIPTION

[0020] The specific embodiments of the utility model will be further described below in combination with the accompanying drawings. The description of these embodiments is used to help understand the utility model, but does not constitute the limitation of the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0021] Reference Figure 1 The embodiment relates to an auxiliary installation frame of a cable guide pipe of a cable-stayed bridge, which comprises a base frame 1, a movable frame 2 rotatably arranged on the base frame 1, a driving mechanism drivingly connected with the movable frame 2, and a clamping piece arranged on the movable frame 2 and capable of fixing the cable guide pipe; when in use, the cable guide pipe is horizontally placed on the movable frame 2 and fixed by the clamping piece, and when the driving mechanism applies force to the movable frame 2, the free end of the movable frame 2 can rotate upwards relative to the connecting end of the movable frame 2 relative to the base frame 1 to tilt and support the cable guide pipe, so that the tilt angle of the cable guide pipe is adjusted.

[0022] Specifically, the base frame 1 is a rectangular frame structure, comprising a first bottom bar 101, a second bottom bar 102, a third bottom bar 103 and a fourth bottom bar 104 which are spliced with each other; the first bottom bar 101 and the third bottom bar 103 are opposite and parallel to the length direction of the base frame 1, and the second bottom bar 102 and the fourth bottom bar 104 are opposite and parallel to the width direction of the base frame 1; the connecting end of the movable frame 2 is rotatably connected with the first bottom bar 101 and the third bottom bar 103 on the two sides respectively, and the driving mechanism is rotatably arranged on the base frame 1 and drivingly connected with the movable frame 2; when not supporting the cable guide pipe, the movable frame 2 is supported on the top of the base frame 1 and is in a horizontal state; when supporting the cable guide pipe, power is provided by the driving mechanism, and the free end of the movable frame 2 can rotate upwards relative to the connecting end of the movable frame 2 relative to the base frame 1, so that the movable frame 2 supports the cable guide pipe in an inclined state; at this time, a rotation angle A is formed between the movable frame 2 and the base frame 1, the free end of the movable frame 2 is driven by the driving mechanism to rotate, so as to change the rotation angle A, thereby adjusting the support angle of the cable guide pipe; in the embodiment, the adjustable range of the rotation angle A is 0°-90°.

[0023] The bottom frame 1 is provided with a roller 3 at the bottom of the first bottom rod 101 and the third bottom rod 103, so as to facilitate supporting the bottom frame 1 on the ground and moving along the ground; and a fixing frame 4 is arranged at the top of the second bottom rod 102, and a handrail 5 is arranged on the fixing frame 4, and the fixing frame 4 is driven to move along the ground by exerting force on the fixing frame 4 through holding the handrail 5, so as to facilitate transferring the cable guide pipe to the installation position for installation, and improve the installation efficiency.

[0024] The movable frame 2 is a rectangular frame structure, and includes first connecting rods 201, second connecting rods 202, third connecting rods 203 and fourth connecting rods 204 which are spliced with each other; the first connecting rods 201 and the third connecting rods 203 are opposite and parallel to the length direction of the movable frame 2, and the second connecting rods 202 and the fourth connecting rods 204 are opposite and parallel to the width direction of the movable frame 2; one end of the first connecting rod 201 is a connecting end and is hinged at a position close to the second bottom rod 102 of the first bottom rod 101 of the bottom frame 1, and the other end of the first connecting rod 201 is a free end; one end of the third connecting rod 203 is a connecting end and is hinged at a position close to the second bottom rod 102 of the third bottom rod 103 of the bottom frame 1, and the other end of the third connecting rod 203 is a free end; the two ends of the second connecting rod 202 are connected to the connecting ends of the first connecting rod 201 and the third connecting rod 203 respectively, and the two ends of the fourth connecting rod 204 are connected to the free ends of the first connecting rod 201 and the third connecting rod 203 respectively; when the cable guide pipe is not supported, the first connecting rod 201 of the movable frame 2 is horizontally supported on the top of the first bottom rod 101 of the bottom frame 1, and the third connecting rod 203 of the movable frame 2 is horizontally supported on the top of the third bottom rod 103 of the bottom frame 1.

[0025] The driving mechanism includes first telescopic arms 6 and second telescopic arms 7 which are the same in structure; one end of the first telescopic arm 6 is hinged to the inner side of the first bottom rod 101 of the bottom frame 1, and the other end of the first telescopic arm 6 is hinged to the inner side of the first connecting rod 201 of the movable frame 2; one end of the second telescopic arm 7 is hinged to the inner side of the third bottom rod 103 of the bottom frame 1, and the other end of the second telescopic arm 7 is hinged to the inner side of the third connecting rod 203 of the movable frame 2; when the first telescopic arm 6 and the second telescopic arm 7 are telescoped, a driving force can be formed at the bottom of the movable frame 2, so that the free ends of the first connecting rod 201 and the third connecting rod 203 of the movable frame 2 can be rotated up and down relative to the bottom frame 1 about the connecting ends, thereby realizing adjustment of the supporting angle of the cable guide pipe.

[0026] In the embodiment, the first telescopic arm 6 and the second telescopic arm 7 are both electric telescopic arms, and according to actual needs, hydraulic telescopic arms can also be used instead.

[0027] The clamping part is arranged between the first connecting rod 201 and the third connecting rod 203 of the movable frame 2 through the position adjusting part, so as to adjust the cable guide pipe fastened through the clamping part in a moving manner along the width direction of the movable frame 2.

[0028] The two clamping members are arranged near the second connecting rod 202 and the fourth connecting rod 204 of the movable frame 2, and the axial ends of the cable guide pipe are fixed to the movable frame 2 through the two clamping members, so that the support stability of the cable guide pipe is improved.

[0029] The clamping member includes two oppositely arranged clamps 8, and the two clamps 8 are provided with arc-shaped grooves matched with the cable guide pipe on the opposite inner sides. The two clamps 8 are rotatably connected to each other at one end of the arc-shaped grooves as connecting ends, and are provided with locking structures at the other end of the arc-shaped grooves as free ends. The free end of one clamp 8 can be rotated around the connecting end to butt against the free end of the other clamp 8, and the two clamps 8 are locked through the locking structures. At this time, the arc-shaped grooves of the two clamps 8 are spliced with each other to form a clamping cavity capable of fastening the cable guide pipe, and the outer circumferential surface of the cable guide pipe is attached to the inner wall of the arc-shaped groove of the clamp 8 to form a clamping force in the circumferential direction of the cable guide pipe.

[0030] The locking structure includes a locking portion 801 arranged on the free end of the clamp 8, and a threaded hole is arranged on the locking portion 801. The free end of one clamp 8 can be rotated to butt against the free end of the other clamp 8, and the locking portions 801 of the two clamps 8 are threadedly connected by a locking bolt 9 to complete the locking.

[0031] The two clamps 8 are provided with arc-shaped elastic blocks (not shown in the figure) on the inner wall of the arc-shaped grooves. When the two clamps 8 are fastened, the arc-shaped elastic blocks are tightly attached to the outer circumferential surface of the cable guide pipe to further improve the clamping stability of the cable guide pipe.

[0032] The position adjusting member is an electric guide rail 10, which is arranged between the first connecting rod 201 and the third connecting rod 203 of the movable frame 2 and forms a moving path parallel to the width direction of the movable frame 2. The electric guide rail 10 has a guide rail body and a sliding block slidingly connected to the guide rail body, and the top surface of the sliding block is fixedly connected to the outer side of one clamp 8. By starting the electric guide rail 10, the clamp 8 can be moved between the first connecting rod 201 and the third connecting rod 203 of the movable frame 2, so as to realize the position adjustment of the cable guide pipe.

[0033] Since the two clamping members are arranged in the embodiment, the two electric guide rails 10 are correspondingly arranged, and the sliding blocks of the two electric guide rails 10 are connected to the two clamping members, respectively. The electric guide rail 10 is a prior art and has a self-locking function, so that the cable guide pipe after position adjustment is kept fixed on the movable frame 2.

[0034] The fixed frame 4 is further provided with a controller 11, which is used for controlling the extension and retraction of the first telescopic arm 6 and the second telescopic arm 7, and controlling the start and stop of the two electric guide rails 10, so as to adjust the supporting angle of the cable guide pipe, and adjust the position of the cable guide pipe in the width direction of the movable frame 2 when the movable frame 2 inclines to support the cable guide pipe, and the construction personnel do not need to climb to a high place to complete the adjustment, thereby improving the installation efficiency.

[0035] The above embodiments of the utility model are not the limitation of the protection scope of the utility model, the implementation mode of the utility model is not limited to this, and other various forms of modification, replacement or change of the above structure of the utility model are made according to the ordinary technical knowledge and conventional means in the field under the premise of not departing from the above basic technical thought of the utility model, which should fall within the protection scope of the utility model.

Claims

1. A kind of auxiliary installation frame of cable-stayed bridge cable conduit, including chassis, and the movable frame of one end rotatable connection in the chassis, it is characterized in that, The base frame is provided with a driving mechanism capable of driving the free end of the movable frame to rotate relative to the base frame to adjust the inclination angle of the cable guide pipe, the movable frame is provided with a clamping member capable of clamping and fixing the cable guide pipe, and the clamping member is capable of being driven to adjust the position of the cable guide pipe in the width direction of the movable frame.

2. The auxiliary mounting rack for the cable guide pipe of the cable-stayed bridge according to claim 1, characterized in that, The driving mechanism comprises two telescopic arms, one end of each of the two telescopic arms is hingedly connected to the base frame on the two sides in the width direction, and the other end of each of the two telescopic arms is hingedly connected to the movable frame on the two sides in the width direction; when the telescopic arms are telescoped, the free end of the movable frame is capable of being driven to rotate up and down relative to the base frame about the connecting end, and a rotation included angle A is formed between the movable frame and the base frame.

3. The auxiliary mounting rack for a cable of a cable-stayed bridge according to claim 2, characterized in that, The rotation included angle A is 0°-90°.

4. The auxiliary mounting rack for the cable guide of the cable-stayed bridge according to claim 1, characterized in that, The clamping member is provided with two, one of which is located near one end in the length direction of the movable frame, and the other of which is located near the other end in the length direction of the movable frame.

5. The auxiliary mounting rack for a cable of a cable-stayed bridge according to claim 4, characterized in that, The clamping member comprises two clamps capable of forming a clamping cavity for fastening the cable guide pipe when locked with each other, the two clamps have connecting ends capable of being rotatably connected with each other, and free ends capable of being locked with each other.

6. The auxiliary mounting rack for a cable of a cable-stayed bridge according to claim 5, characterized in that, The two clamps are provided with arc-shaped grooves capable of being spliced with each other to form the clamping cavity on the opposite inner sides, the connecting ends of the two clamps are located at one end of the arc-shaped grooves, and the free ends of the two clamps are located at the other end of the arc-shaped grooves; the free end of one of the clamps is capable of being rotated about the connecting end to butt against the free end of the other clamp, and a locking structure is arranged at the butt joint.

7. The auxiliary mounting rack for a cable-stayed bridge cable duct according to claim 6, characterized by, The locking structure comprises locking portions arranged on the free ends of the two clamps, and threaded holes are arranged on the locking portions; the free end of one of the clamps is capable of being rotated to butt against the free end of the other clamp, and the locking portions of the two clamps are threadedly connected by a locking bolt to complete the locking.

8. The auxiliary mounting rack for a cable-stayed bridge cable duct according to claim 7, characterized by, The two clamps are provided with arc-shaped elastic blocks on the inner walls of the arc-shaped grooves; when the two clamps are fastened, the arc-shaped elastic blocks are closely attached to the outer circumferential surface of the cable guide pipe.

9. The auxiliary mounting rack for a cable of a cable-stayed bridge according to claim 5, characterized in that, The position adjusting member is an electric guide rail capable of forming a moving path parallel to the width direction of the movable frame, the electric guide rail has a guide rail body and a sliding block slidingly connected to the guide rail body, and the top surface of the sliding block is fixedly connected to the outer side of one of the clamps.

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