CN217867845U - Bridge frame device - Google Patents

Abstract

The utility model relates to a bridge frame device, belonging to the technical field of immersed tube tunnels, wherein the bridge frame device comprises a support frame, a bridge frame and a connecting rope, the support frame is fixedly connected with a crane ship, and one end of the support frame, which is far away from the crane ship, is connected with a fixed pulley; the bridge frame is rotationally connected with the support frame; the connecting rope is connected with the bridge frame and bypasses the fixed pulley so as to rotate the bridge frame by pulling the other end of the connecting rope; when the crane ship and the measuring tower need to be connected, the connecting rope is pulled to enable the bridge to rotate downwards to be connected with one end, far away from the supporting frame, of the bridge and the measuring tower; when the connection between the crane ship and the measuring tower needs to be disconnected, the connecting rope is pulled to enable the bridge to rotate upwards to one end, far away from the supporting frame, of the bridge to leave the measuring tower. The bridge frame device provided by the utility model can realize the quick connection or disconnection between the crane ship and the measuring tower, has high working safety and reliability, and is little influenced by the offshore environment; and simple structure, receive and release convenient and fast.

Description

Bridge frame device

Technical Field

The utility model belongs to the technical field of immersed tube tunnel, especially, relate to a crane span structure device.

Background

In immersed tube tunnel construction, a measuring tower and a manhole well are usually installed at the top of a tube joint of an immersed tube to carry out installation measurement on the immersed tube, so that the butting precision of the immersed tube joint under water is ensured. After the immersed tube is installed, measuring tower top equipment needs to be removed, the measurement tower top equipment is removed manually in the current stage, a crane ship uses a lifting cage to lift the removal personnel to the top of the measuring tower, the removal is finished, then the personnel are lifted back to the installation ship, the crane ship is used for being matched with the removal, the cost is high, the risk is high, if special weather is met, the measurement tower top equipment cannot be timely removed, and the construction period of the immersed tube tunnel is delayed.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists among the correlation technique, the utility model provides a crane span structure device to simplify the structure of crane span structure device, make between crane ship and the measuring tower can high-speed joint or disconnection, and operational safety nature and reliability are high, and it is little influenced by marine environment.

The utility model provides a crane span structure device, it is installed in the crane ship for connect the crane ship and measure the tower, this crane span structure device includes:

the supporting frame is fixedly connected to the crane ship, and one end of the supporting frame, which is far away from the crane ship, is connected with a fixed pulley;

one end of the bridge is rotatably connected with the support frame, and the other end of the bridge is used for connecting the measuring tower;

and one end of the connecting rope is connected to the bridge frame, the connecting rope bypasses the fixed pulley, and the other end of the connecting rope is pulled to enable the bridge frame to rotate.

According to the technical scheme, the crane ship is provided with the bridge, and the bridge is rotationally connected with the support frame so as to connect or disconnect the crane ship and the measuring tower according to actual construction requirements; through the arrangement of the connecting rope, the connecting rope is matched with the fixed pulley, so that relevant personnel can pull the connecting rope on the crane ship to realize the retraction of the bridge frame; when the crane ship and the measuring tower need to be connected, the connecting rope is pulled to enable the bridge to rotate downwards to be connected with one end, far away from the supporting frame, of the bridge and the measuring tower; when the connection between the crane ship and the measuring tower needs to be disconnected, the connecting rope is pulled to enable the bridge to rotate upwards until one end of the bridge, far away from the supporting frame, leaves the measuring tower.

In some embodiments, the bridge frame includes a connecting bridge and an extending bridge, the connecting bridge is rotatably connected with the supporting frame, and the extending bridge and the connecting bridge are slidably connected and arranged in parallel.

This technical scheme is through designing the crane span structure for connecting the bridge and extending the bridge, utilizes to connect the bridge and extend bridge sliding connection to increase the whole length of crane span structure, thereby be convenient for connect crane ship and measuring tower.

In some of these embodiments, the elongated bridge is positioned on top of the connecting bridge and slides longitudinally along the connecting bridge.

In some embodiments, the connecting bridge is provided with a slideway extending longitudinally along the connecting bridge, the elongate bridge is provided with a roller corresponding to the slideway, and the roller rolls along the slideway to slidably connect the elongate bridge and the connecting bridge.

This technical scheme utilizes the gyro wheel to roll along the slide through setting up the gyro wheel to realize the sliding connection of extension bridge and being connected the bridge, the roll that will stretch the slip of bridge and change the gyro wheel into can reduce the frictional force of extension bridge slip in-process, thereby reduces the damage of extension bridge and the two junction of being connected the bridge.

In some embodiments, a driven wheel is arranged at one end, far away from the support frame, of the connecting bridge, the driven wheel is abutted to the extension bridge, and when the extension bridge slides along the connecting bridge, the driven wheel rolls along with the extension bridge.

In some embodiments, a limiting block is arranged in the slide way and is abutted against the roller to limit the rolling distance of the roller.

In some of these embodiments, the support frame is the type of falling U structure, and the support frame includes horizontal pole and two montants that set up relatively, and two montants pass through the horizontal pole and connect, and the horizontal pole is located the montant upper end, the lower extreme fixed connection of montant in crane ship.

In some embodiments, the two transverse sides of the bridge frame are respectively connected with the connecting ropes, the two connecting ropes are correspondingly wound around the two fixed pulleys, and the two fixed pulleys are correspondingly arranged on one side of the two vertical rods opposite to each other.

In some of these embodiments, the support frame still includes two connecting blocks, and two connecting blocks fixed connection just correspond respectively to set up in the relative one side of two montants in the horizontal pole, and the connecting block limits the installation cavity with the montant jointly to the installation fixed pulley.

This technical scheme utilizes connecting block and montant to inject the installation cavity jointly through setting up the connecting block to increase the reliability of fixed pulley installation.

In some embodiments, the end of the connecting rope, which is far away from the bridge, is connected with a fixed seat, and the fixed seat is installed on the crane ship.

This technical scheme is through setting up the fixing base, utilizes fixing base fixed connection rope to make the crane span structure keep in a certain state, increase the reliability of crane span structure work.

Based on the technical scheme, the bridge frame device in the embodiment of the utility model can realize the quick connection or disconnection between the crane ship and the measuring tower, has high working safety and reliability, and is little influenced by the offshore environment; and simple structure, receive and release convenient and fast.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic structural diagram of an embodiment of a bridge frame device according to the present invention;

fig. 2 is a schematic structural view illustrating an assembly of a fixed pulley and a supporting frame according to an embodiment of the bridge rack device of the present invention;

FIG. 3 is a schematic structural diagram of a connection between a connection bridge and an elongated bridge according to an embodiment of the present invention;

fig. 4 is a schematic structural view illustrating the connection between the driven wheel and the elongated bridge according to an embodiment of the bridge assembly of the present invention;

fig. 5 is an enlarged view of a structure at a in fig. 1.

In the figure:

1. a bridge frame; 2. a fixed seat; 3. a support frame; 4. a fixed pulley; 5. connecting ropes;

11. a connecting bridge; 12. extending the bridge; 13. a guardrail;

111. connecting bridge decks; 112. a slideway; 113. a limiting block; 114. a driven wheel;

121. extending the bridge deck; 122. a roller;

31. a vertical rod; 32. a cross bar; 311. and (4) connecting the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some, not all embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-5, in an exemplary embodiment of the bridge device of the present invention, the bridge device is mounted on a crane ship for connecting the crane ship and a measuring tower, and includes a support frame 3, a bridge 1, and a connecting rope 5; the supporting frame 3 is fixedly connected to the crane ship, and one end of the supporting frame 3, which is far away from the crane ship, is connected with a fixed pulley 4; one end of the bridge frame 1 is rotatably connected with the support frame 3, and the other end of the bridge frame 1 is used for connecting a measuring tower; one end of a connecting rope 5 is connected to the bridge frame 1, the connecting rope 5 passes around the fixed pulley 4, and the other end of the connecting rope 5 is pulled to enable the bridge frame 1 to rotate; when the crane ship and the measuring tower need to be connected, the connecting rope 5 is pulled to enable the bridge frame 1 to rotate downwards to be connected with one end, far away from the support frame 3, of the bridge frame 1 and the measuring tower; when the connection between the crane ship and the measuring tower needs to be disconnected, the connecting rope 5 is pulled to enable the bridge frame 1 to rotate upwards until one end of the bridge frame 1, far away from the supporting frame 3, leaves the measuring tower.

The bridge frame device can quickly connect the crane ship and the measuring tower according to actual construction requirements, can also quickly disconnect the crane ship and the measuring tower after construction is finished, and is convenient and quick to fold and unfold; and the working safety and reliability are high, and the influence of the offshore environment is small.

In order to increase the overall length of the bridge frame 1, as shown in fig. 1 and 3, the bridge frame 1 comprises a connecting bridge 11 and an elongated bridge 12, the connecting bridge 11 is rotatably connected with the support frame 3, and the elongated bridge 12 is slidably connected with the connecting bridge 11 and arranged in parallel; the extension bridge 12 is stacked on the top of the connecting bridge 11 and slides longitudinally along the connecting bridge 11; when the length of crane span structure 1 needs to be increased, the whole length of crane span structure 1 can be increased by sliding the extension bridge 12 towards the direction far away from the crane ship, and after the construction is completed, the extension bridge 12 slides along the direction near the crane ship, so that the extension bridge 12 and the connecting bridge 11 can be stacked to reduce the occupied space of the crane span structure 1, and the crane span structure 1 can be conveniently stored and transported.

In order to increase the safety of workers when walking on the bridge frame 1, as shown in fig. 1, the connecting bridge 11 and the elongated bridge 12 are both connected with guardrails 13, the connecting bridge 11 comprises a connecting bridge deck 111, one end of the connecting bridge deck 111 is rotatably connected with the support frame 3, the elongated bridge 12 comprises an elongated bridge deck 121, and the guardrails 13 are symmetrically arranged on two longitudinal sides of the connecting bridge deck 111 and two longitudinal sides of the elongated bridge deck 121; it should be noted that, since the elongated bridges 12 are stacked above the connecting bridges 11, the width of the elongated bridge deck 121 is smaller than that of the connecting bridge deck 11.

In order to reduce the damage of the connection between the extended bridge 12 and the connection bridge 11, as shown in fig. 1 and 3, the connection bridge 11 is provided with a slideway 112, the slideway 112 extends longitudinally along the connection bridge 11 and is located at the connection between the connection bridge deck 111 and the guardrail 13, the extended bridge 12 is provided with a roller 122 corresponding to the slideway 112, the roller 122 rolls along the slideway 112 to slidably connect the extended bridge 12 and the connection bridge 11, and the roller 122 is symmetrically arranged at two lateral sides of the extended bridge deck 121; the roller 122 is used for rolling along the slideway 112 to enable the elongated bridge 12 and the connecting bridge 11 to relatively slide, and the sliding of the elongated bridge 12 is converted into the rolling of the roller 122 to reduce the friction force in the sliding process of the elongated bridge 12, so that the damage of the joint of the elongated bridge 12 and the connecting bridge 11 is reduced.

In order to increase the stability of the elongated bridge 12 and the connecting bridge 11 when sliding relatively, as shown in fig. 4, a driven wheel 114 is arranged at one end of the connecting bridge 11 far from the support frame 3, the driven wheel 114 is symmetrically arranged at one end of the connecting bridge deck 111 far from the support frame 3, the driven wheel 114 abuts against the bottom of the elongated bridge 12, when the elongated bridge 12 slides along the connecting bridge 11, the driven wheel 114 rolls along with the connecting bridge, and in the relative sliding process of the elongated bridge 12 and the connecting bridge 11, the driven wheel 114 has a supporting function on the elongated bridge 12; in order to increase the safety and stability of the extended bridge 12 when extending out of the connecting bridge 11, as shown in fig. 3, a limiting block 113 is disposed in the sliding channel 112, and the limiting block 113 abuts against the roller 122 to limit the rolling distance of the roller 122 and prevent the roller 122 from being excessively extended.

In order to increase the working stability of the support frame 3, as shown in fig. 1 and 2, the support frame 3 is of an inverted U-shaped structure, the support frame 3 includes a cross rod 32 and two vertical rods 31 arranged oppositely, the cross rod 32 is located at the top of the vertical rods 31, the two vertical rods 31 are connected through the cross rod 32, the cross rod 32 is located at the upper ends of the vertical rods 31, and the lower ends of the vertical rods 31 are fixedly connected to a crane ship; in order to increase the stability of the bridge frame 1 when the connecting rope 5 pulls the bridge frame 1 to rotate, as shown in fig. 1, two transverse sides of the bridge frame 1 are respectively connected with the connecting rope 5, the two connecting ropes 5 are correspondingly wound around the two fixed pulleys 4, and the two fixed pulleys 4 are correspondingly arranged on one side of the two vertical rods 31.

In order to increase the fastness that fixed pulley 4 and support frame 3 are connected, as shown in fig. 1 and fig. 2, support frame 3 still includes two connecting blocks 33, two connecting blocks 33 fixed connection just correspond respectively in two montants 31 relative one side in horizontal pole 32, connecting block 33 is the L type, the one end and the horizontal pole 32 of connecting block 33 are connected, the other end and the montant 31 of connecting block 33 are connected, the installation cavity is injectd jointly to connecting block 33 and montant 31, fixed pulley 4 sets up in the installation cavity and the jackshaft of fixed pulley 4 is connected with connecting block 33 and montant 31 respectively.

In order to facilitate the bridge frame 1 to keep a certain rotation angle, as shown in fig. 1, one end of the connecting rope 5, which is far away from the bridge frame 1, is connected with a fixed seat 2, the fixed seat 2 is installed on a crane ship, and one end of the connecting rope 1, which is far away from the bridge frame 1, is fixedly connected to the fixed seat 2 to prevent the bridge frame 1 from rotating by itself under the action of gravity, so that the bridge frame 1 is kept at a certain rotation angle; it should be noted that the connecting rope 5 may be pulled manually or by a rope winder.

The working principle of the bridge frame device is as follows: through the rotation of connecting 5 steerable crane span structures 1 of rope, place the measuring tower with crane span structure 1 one end of keeping away from the crane ship on, can build the bridge between crane ship and measuring tower to operating personnel can freely walk between crane ship and measuring tower, and when crane span structure 1 was perpendicular with support frame 3, the horizontal distance of crane span structure 1 was the longest, and the sliding distance between bridge 11 and the extension bridge 12 is connected to the length accessible of crane span structure 1 is adjusted, in order to increase crane span structure 1's application scope. It should be noted that, under the supporting action of the measuring tower, the bridge 1 cannot continue to rotate downward under the action of gravity; in practice, the crane vessel and the measuring tower are not exactly the same height, so that the bridge 1 may be parallel or inclined when connecting the crane vessel and the measuring tower, but the bridge 1 is in a stable state no matter what the state of the bridge 1 is. It should be noted that, when the bridge 1 is arranged in parallel with the support frames 3, that is, when the bridge 1 is arranged vertically, the occupied space of the crane ship is minimized, and therefore, the bridge 1 can be stored in this state.

The use method of the bridge frame device comprises the following steps: when a crane ship and a measuring tower need to be connected, an operator looses the connecting rope 5 from the fixing seat 2, the bridge 1 rotates downwards under the action of gravity until one end of the bridge 1, far away from the support frame 3, is connected with the measuring tower, and in the process of downward rotation of the bridge 1, the operator can pull the connecting rope 5 to slow down the rotation speed of the bridge 1, so that the bridge 1 is slowly connected with the measuring tower, and then one end of the connecting rope 5, far away from the bridge, is fixedly connected with the fixing seat 2, at the moment, one end of the bridge 1, far away from the support frame 3, keeps a stable state under the supporting action of the measuring tower and the pulling force of the connecting rope 5, and the operator can realize free passing between the crane ship and the measuring tower through the bridge 1; when need not connect the crane ship and measure the tower, operating personnel unties from fixing base 2 and connects rope 5 to exert ascending pulling force for crane span structure 1 through connecting rope 5, make crane span structure 1 upwards rotate, until crane span structure 1 is parallel to each other with support frame 3, in order to accomodate crane span structure 1, then will connect rope 5 fixed connection in fixing base 2, in order to exert ascending pulling force all the time to crane span structure 1, prevent that crane span structure 1 from rotating under the action of gravity.

Finally, it should be noted that: in the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the technical solution of the present invention, the present invention should be covered by the technical solution of the present invention.

Claims (10)

1. A bridge unit for attachment to a crane vessel for connecting the crane vessel to a measuring tower, the bridge unit comprising:

the supporting frame is fixedly connected to the crane ship, and one end, far away from the crane ship, of the supporting frame is connected with a fixed pulley;

one end of the bridge is rotatably connected with the support frame, and the other end of the bridge is used for connecting the measuring tower;

and one end of the connecting rope is connected to the bridge frame, the connecting rope bypasses the fixed pulley, and the other end of the connecting rope is pulled to enable the bridge frame to rotate.

2. The bridge frame assembly of claim 1, wherein the bridge frame comprises a connecting bridge and an elongated bridge, the connecting bridge being pivotally connected to the support frame, the elongated bridge being slidably connected to the connecting bridge and being disposed parallel to each other.

3. The bridge structure of claim 2, wherein said elongated bridges are positioned atop said connecting bridges and slide longitudinally of said connecting bridges.

4. The bridge structure apparatus of claim 3, wherein the connecting bridge is provided with a slideway extending longitudinally thereof, and the elongated bridge is provided with a roller corresponding to the slideway, the roller rolling along the slideway to slidably connect the elongated bridge and the connecting bridge.

5. The bridge structure apparatus of claim 3, wherein a driven wheel is disposed at an end of said connecting bridge remote from said support frame, said driven wheel abutting said elongated bridge, said driven wheel rolling along said elongated bridge as said elongated bridge slides along said connecting bridge.

6. The bridge frame device of claim 4, wherein the slide is provided with a limiting block, and the limiting block abuts against the roller to limit a rolling distance of the roller.

7. The bridge frame apparatus of claim 1, wherein the support frame is an inverted U-shaped structure, the support frame comprises a cross bar and two oppositely disposed vertical bars, the two vertical bars are connected by the cross bar, the cross bar is located at upper ends of the vertical bars, and lower ends of the vertical bars are fixedly connected to the crane ship.

8. The bridge frame apparatus of claim 7, wherein two lateral sides of the bridge frame are respectively connected to the connecting ropes, two of the connecting ropes are wound around two of the fixed pulleys, and two of the fixed pulleys are correspondingly disposed on opposite sides of two of the vertical rods.

9. The bridge frame device of claim 8, wherein the supporting frame further comprises two connecting blocks, the two connecting blocks are fixedly connected to the cross bar and respectively disposed on opposite sides of the two vertical bars, and the connecting blocks and the vertical bars together define a mounting cavity for mounting the fixed pulley.

10. The bridge frame apparatus of claim 1, wherein an end of the connection rope remote from the bridge frame is connected to a fixed seat, the fixed seat being mounted to the crane vessel.

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