CN217758344U - Jack sideslip system in construction of hanging basket cast-in-place bridge - Google Patents

Abstract

The application relates to a jack transverse moving system in construction of a hanging basket cast-in-place bridge, which comprises a cross beam, a chain block with a lifting end connected to the cross beam, and a sliding device arranged on the cross beam in a sliding manner; the sliding device comprises a mounting ring and a roller arranged on the mounting ring, and the roller is connected to the main cross beam in a sliding manner. This application has and is not going on under the prerequisite that goes up and down to the great jack of weight, is convenient for carry out the sideslip effect to the jack that carries out tensile stress.

Description

Jack sideslip system in construction of hanging basket cast-in-place bridge

Technical Field

The application relates to the field of prestress tensioning construction tools, in particular to a jack transverse moving system in construction of a hanging basket cast-in-place bridge.

Background

Prestressing force tensioning is exactly adding the pulling force in advance in the component for it bears compressive stress to be exerted prestressing force tensioning component, and then makes it produce certain deformation, deals with the load that structure itself received, and prestressing force technique has been widely used in municipal bridge at present.

The jack, one of the indispensable devices for implementing the prestressing technique, is very heavy in weight. In bridge construction, after the jack is moved to a target point, the jack is vertically descended downwards from the cradle truss. After the jack reaches a target point and tensioning operation is completed, the jack needs to be moved to the next target point for tensioning operation, the hanging basket truss needs to be pulled up by the jack, and after the jack is moved to the next target point, the hanging basket truss is descended again.

In view of the above-mentioned related technologies, the inventor believes that a jack which moves between two construction points and has a large lifting weight has the defects of time and labor waste and reduced construction efficiency.

SUMMERY OF THE UTILITY MODEL

In order to make the jack can remove labour saving and time saving, improve the efficiency of construction, this application provides a hang jack sideslip system in basket cast-in-place bridge construction.

The application provides a jack sideslip system in construction of hanging basket cast-in-place bridge adopts following technical scheme:

a jack transverse moving system in construction of a hanging basket cast-in-place bridge comprises a cross beam, a chain block with a lifting end connected to the cross beam, and a sliding device arranged on the cross beam in a sliding mode;

the sliding device comprises a mounting ring and a roller arranged on the mounting ring, the roller is connected to the main beam in a sliding mode, and the jack is hooked on the mounting ring.

Through adopting above-mentioned technical scheme, chain block can make the jack follow hang the basket truss go up vertical lift to the construction site, when two construction target points carry out the tensioning operation, constructor hangs the jack hook on the collar, makes the jack can remove on the crossbeam through the gyro wheel, and slider makes that constructor can labour saving and time saving moves the jack from a target point to another target point, improves the efficiency of tensioning operation.

Optionally, the cross beam is made of an i-shaped steel provided with two notches.

By adopting the technical scheme, the source of the I-steel is wide, and the structure and the performance of the I-steel are excellent, so that the I-steel can bear a jack with larger weight. In addition, the roller can slide stably in the groove of the I-shaped steel.

Optionally, the mounting ring is made of two rod-shaped structures, and the rod-shaped structures are bent to sequentially form a mounting section, a body section connected with the mounting section, and a connecting section connected with the body section;

the number of the rollers is two, and the two rollers are respectively arranged on the two mounting sections;

the length of the mounting section is smaller than that of the connecting section, the length direction of the mounting section is parallel to that of the connecting section, and the mounting section, the body section and the connecting section form an opening;

two linkage segment fixed connection, the relative setting of terminal surface of two installation sections, and two gyro wheels can be located two notches of crossbeam respectively.

Through adopting above-mentioned technical scheme for the collar can improve the bearing capacity to the jack, and makes the jack hook hang on the collar, and the collar can block on the curb plate of crossbeam, and the gyro wheel can rotate on the curb plate, makes displacement device can drive the jack and removes.

Optionally, the circumferential surfaces of the two connecting sections are fixedly connected.

Through adopting above-mentioned technical scheme, reinforcing collar is to the bearing capacity of jack, and when having reduced the jack hook and hang on the collar, the jack pivoted possibility.

Optionally, a reinforcing rod is further fixedly connected between the two body sections.

Through adopting above-mentioned technical scheme, both strengthened the structural strength of collar, still helped reducing the possibility that the collar swung by a wide margin on the crossbeam.

Optionally, the rod-like structure is made of round steel.

Through adopting above-mentioned technical scheme, the tensile strength of round steel is excellent, can improve the bearing capacity to the jack.

Optionally, the peripheral surface of the round steel is processed to form lines.

Through adopting above-mentioned technical scheme, increased the frictional force of collar and jack, reduced the jack and the collar possibility that relative movement takes place.

Optionally, the roller is made of a bearing, and one end of the mounting section is fixedly connected to an inner ring of the bearing.

Optionally, the sliding device further comprises two positioning devices mounted on the body section and used for fixing the sliding device on the side plates, each positioning device comprises a base which is detachably mounted on the body section, a threaded rod which is rotatably mounted on the base, a limiting rod which is fixedly connected to the base, and a first moving plate and a second moving plate which are in threaded connection with the threaded rod, and the two bases are clamped on the body section;

two sections of threads with different turning directions are arranged on the threaded rod, the first movable plate and the second movable plate are respectively connected to the two sections of threads with different turning directions, the limiting rods are movably arranged on the first movable plate and the second movable plate in a penetrating mode, and when the sliding device is arranged on the cross beam, the first movable plate and the second movable plate are located on two sides of the side plate.

Through adopting above-mentioned technical scheme, when rotating the threaded rod, first movable plate and second movable plate can be close to each other, until the curb plate of centre gripping crossbeam for the displacement device is fixed on the crossbeam. The positioning device detachably connected to the mounting ring enables constructors to fix the jack at any position of the cross beam according to construction conditions.

Optionally, the device further comprises a fixed lock arranged on the two bases, wherein the fixed lock comprises a first lock plate and a second lock plate which are respectively arranged on the two bases, a cylinder movably arranged on the first lock plate in a penetrating manner, a top plate fixedly connected to one end of the cylinder, a long plate fixedly connected to the other end of the cylinder, and a spring sleeved on the cylinder and located between the top plate and the first lock plate;

offer the slot hole that supplies the long board to pass on the second jam plate, offer the locked groove that supplies the long board card to go into on the face that the second jam plate deviates from first jam plate.

Through adopting above-mentioned technical scheme, the fixed lock can make positioner dismantle, and can make positioner stably centre gripping this body section for the displacement device can be stably fixed on the crossbeam.

In summary, the present application includes at least one of the following beneficial technical effects:

chain block can make the jack follow hang the basket truss go up the vertical lift to the construction site, when two construction target points carry out the stretch-draw operation, constructor hangs the jack hook on the collar, makes the jack remove on the crossbeam through the gyro wheel, and the displacement device makes that constructor can labour saving and time saving moves the jack from a target point to another target point, improves stretch-draw operation's efficiency.

The friction force between the mounting ring and the jack is increased, and the possibility of relative movement between the jack and the mounting ring is reduced.

When the threaded rod is rotated, the first movable plate and the second movable plate can approach each other until the side plate of the cross beam is clamped, so that the sliding device is fixed on the cross beam. The positioning device is convenient to detach, so that a constructor can fix the jack at any position of the cross beam according to construction conditions.

Drawings

Fig. 1 is a front view of a jack transverse moving system in the construction of a hanging basket cast-in-place bridge.

Fig. 2 is a schematic view of the skid.

Fig. 3 is a front view of a jack transverse moving system in the construction of a hanging basket cast-in-place bridge in the embodiment 2.

Fig. 4 is a rear view of a jack transverse moving system in construction of a hanging basket cast-in-place bridge in embodiment 2.

Fig. 5 is a schematic view showing the connection between the fixing lock and the positioning device and the sliding device in embodiment 2.

Fig. 6 is a schematic structural view of a positioning device in embodiment 2.

Fig. 7 is a schematic structural view of the fixing lock of embodiment 2.

Description of reference numerals: 1. a basket hanging truss; 2. a cross beam; 21. a hoisting ring; 22. a fixed shaft; 3. a chain block; 4. a slipping device; 41. a roller; 42. a mounting ring; 421. an installation section; 422. a body section; 423. a connection section; 43. a reinforcing bar; 5. a motor; 6. a drive device; 61. a first rotating wheel; 62. a second rotating wheel; 63. a steel wire; 7. a positioning device; 71. a base; 711. a first semicircular groove; 72. a bottom cover; 721. a second semi-circular groove; 73. a limiting rod; 74. a threaded rod; 741. a rotating plate; 75. a first moving plate; 76. a second moving plate; 8. fixing a lock; 81. a first lock plate; 82. a second lock plate; 821. a long hole; 822. locking the groove; 83. a lock shaft; 831. a cylinder; 832. a top plate; 833. a long plate; 84. a spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a jack sideslip system in construction of hanging basket cast-in-place bridge.

Example 1:

referring to fig. 1, a jack traversing system in construction of a hanging basket cast-in-place bridge comprises a chain block 3 hung below a hanging basket truss 1, a beam 2 connected to the chain block 3, and a sliding device 4 slidably connected to the beam 2.

The sliding device 4 can make the jack move transversely on the cross beam 2, and the chain block 3 can make the jack lift.

Referring to fig. 1, the cross beam 2 is made of an i-steel, the i-steel comprises two parallel side plates and a connecting plate for connecting the two side plates, two hanging rings 21 are fixedly connected to the outer plate surface of one side plate, and the two hanging rings 21 are arranged at two ends of the i-steel at intervals and in central symmetry. The chain block 3 is provided with two, and the one end that the chain block 3 keeps away from the basket truss 1 is provided with the couple, and the couple is hooked on rings 21, hangs crossbeam 2 in the basket truss 1 below.

Referring to fig. 1 and 2, the sliding device 4 includes a notched mounting ring 42 and two rollers 41 fixed to both ends of the mounting ring 42.

Referring to fig. 1 and 2, the mounting ring 42 is made of two round bars, and inclined lines (not shown) are formed on the circumferential surfaces of the round bars. Bend respectively at the both ends of round steel, one of them end bending type of round steel forms installation section 421, and the round steel other end bending type forms linkage segment 423, and what do not buckle between installation section 421 and the linkage segment 423 is body section 422.

Referring to fig. 1 and 2, the length of installing section 421 is shorter than the length of linkage segment 423, and the installing section 421 is on a parallel with linkage segment 423 for round steel after buckling forms one and has an open-ended structure, and the welding of laminating is global to two linkage segments 423, and the opening direction that two round steel formed sets up relatively, and two installing sections 421 intervals set up, and the terminal surface of two installing sections 421 is relative.

Referring to fig. 1 and 2, the two rollers 41 both use bearings, and one end of the mounting section 421 is fixedly connected to an inner ring of the bearing. A reinforcing bar 43 is fastened between the two body segments 422 on the side close to the roller 41.

The reinforcing rod 43 is arranged close to the roller 41, so that the possibility that the mounting ring 42 swings on the cross beam 2 greatly is reduced, the mounting ring 42 is made of two round steel bars, the bearing capacity of the jack can be increased, the peripheral surfaces of the two connecting sections 423 are attached and welded, the possibility that the jack is hooked on the mounting ring 42 to rotate is reduced, and the jack is mounted on the mounting ring 42 and can move simultaneously with the sliding device 4.

The implementation principle of the embodiment 1 is as follows: two rollers 41 are respectively placed on two sides of the connecting plate, the mounting ring 42 is clamped on a side plate of the cross beam 2 without the hanging ring 21, a constructor hangs the jack on the mounting ring 42, after the tensioning work of one target point is completed, the constructor can easily slide the jack on the cross beam 2 through the sliding device 4 when needing to move the jack to the next target point for tensioning work, the constructor can move the jack to a construction target point in a time-saving and labor-saving manner, and the constructor can also adjust the longitudinal height of the jack through the chain block 3.

Example 2:

referring to fig. 3 and 4, the present embodiment is different from embodiment 1 in that a motor 5 fixed on a connecting plate, a driving device 6 installed on a surface of the connecting plate away from the motor 5 for driving the sliding device 4, two positioning devices 7 detachably installed on the body section 422, and a fixing lock 8 fixed on the two positioning devices 7 and used for connecting the two positioning devices 7.

Referring to fig. 3 and 4, the driving device 6 can enable a constructor to conveniently move a jack with a large weight, the positioning device 7 can fix the sliding device 4 on a target point after the jack is moved to the target point, the positioning device 7 reduces the possibility that the jack is moved due to wind power or when the constructor moves the chain block 3, the fixing lock 8 can stably detachably connect the two positioning devices 7 with the body section 422, so that the positioning device 7 can be installed on the body section 422 according to actual use requirements, and the positioning device 7 can more stably fix the sliding device 4.

Referring to fig. 3 and 4, the driving device 6 includes a first rotating wheel 61 fixed to the rotating shaft of the motor 5, a fixed shaft 22 fixed to one end of the connecting plate, a second rotating wheel 62 inserted into the fixed shaft 22, and a steel wire 63 fixed to the mounting ring 42 at both ends and wound around the first rotating wheel 61 and the second rotating wheel 62.

Referring to fig. 3 and 4, the motor 5 is fixed at one end of the connecting plate of the cross beam 2, the motor 5 and the first rotating wheel 61 are located at two sides of the connecting plate, and the rotating shaft penetrates through the connecting plate of the cross beam 2. The fixed shaft 22 and the first rotating wheel 61 are positioned on the same side of the connecting plate, and the fixed shaft 22 is fixed at one end of the cross beam 2 far away from the shaft of the motor 5.

The motor 5 drives the first rotating wheel 61 to rotate, so that the steel wire 63 drives the mounting ring 42 to move, and the jack is driven to move on the cross beam 2.

Referring to fig. 5 and 6, the positioning device 7 includes a base 71, a bottom cover 72 fixed on the base, two limit rods 73 fixed on the bottom cover 72, a threaded rod 74 hinged to the base 71, and a first moving plate 75 and a second moving plate 76 connected to the threaded rod 74 in a threaded manner, wherein the two limit rods 73 are movably disposed on the first moving plate 75 and the second moving plate 76.

The bottom cover 72 allows the screw 74 to rotate on the base 71, and the first moving plate 75 and the second moving plate 76 are moved by rotating the screw 74, and the stopper rod 73 allows the first moving plate 75 and the second moving plate 76 to move up and down but not to rotate.

Referring to fig. 6, a first semicircular groove 711 and a second semicircular groove 721 are respectively formed on the same side surface of the base 71 and the bottom cover 72, and when the base 71 and the bottom cover 72 are attached, the first semicircular groove 711 and the second semicircular groove 721 form a through groove.

Referring to fig. 5 and 6, two threads having opposite rotation directions are formed on the threaded rod 74, the first moving plate 75 and the second moving plate 76 are respectively connected to the two threads, and a rotation plate 741 is fixed to an end of the threaded rod 74 away from the base 71. When the two bases 71 are butted and the body segment 422 is held in the two first semicircular grooves 711, the first moving plate 75 and the second moving plate 76 are located on both sides of one side plate. When the rotation plate 741 is rotated, the first moving plate 75 and the second moving plate 76 are clamped close to each other on the side plates.

Referring to fig. 5, 6 and 7, the fixing lock 8 includes a first locking plate 81 fixed to one of the positioning devices 7, a second locking plate 82 fixed to the other positioning device 7, a locking shaft 83 penetrating through the first locking plate 81, and a spring 84 sleeved on the locking shaft 83.

The pin lock 8 enables the positioning device 7 to hold the body section 422 more stably.

Referring to fig. 7, the lock shaft 83 includes a cylinder 831, a top plate 832 fixedly connected to an end surface of the cylinder 831, and an elongated plate 833 fixedly connected to an end surface of the cylinder 831 remote from the top plate 832. The cylinder 831 penetrates through the first lock plate 81 and can move on the first lock plate 81, and the axis of the cylinder 831 is perpendicular to the plate surface of the first lock plate 81.

Referring to fig. 7, the top plate 832 is located on a side of the first locking plate 81 facing away from the second locking plate 82, and the spring is located between the top plate 832 and the first locking plate 81. The long plate 833 is located on the side of the first lock plate 81 remote from the top plate 832.

The second lock plate 82 is provided with a long hole 821, the long hole 821 can allow the long plate 833 to pass through, the plate surface of the second lock plate 82 away from the first lock plate 81 is provided with a lock groove 822, the long plate 833 can be clamped in the lock groove 822, and the long hole 821 and the lock groove 822 are arranged in a cross manner.

The implementation principle of the embodiment 2 is as follows: the user drives the driving device 6 through the motor 5, so that the driving device 6 drives the jack to move on the cross beam 2, when the jack moves to a target point of construction, the user can make the first moving plate and the second moving plate 76 close to each other by rotating the rotating plate 741 to clamp the side plates of the cross beam 2, so that the jack is fixed at the target point and cannot move, the long plate 833 is clamped in the locking groove 822 by pressing and rotating the locking shaft 83, the first locking plate 81 and the second locking plate 82 are fixed, and the stability of the positioning device 7 for fixing the sliding device 4 is further improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a jack sideslip system in construction of hanging basket cast-in-place bridge which characterized in that: comprises a cross beam (2), a chain block (3) with a lifting end connected on the cross beam (2), and a sliding device (4) arranged on the cross beam (2) in a sliding way;

the sliding device (4) comprises a mounting ring (42) and a roller (41) mounted on the mounting ring (42), the roller (41) is connected to the main cross beam (2) in a sliding mode, and the jack is hooked on the mounting ring (42).

2. The jack transverse moving system in the construction of the hanging basket cast-in-place bridge as claimed in claim 1, wherein: the cross beam (2) is made of I-shaped steel with two notches.

3. The jack sideslip system in construction of hanging basket cast-in-place bridge of claim 2, characterized in that: the mounting ring (42) is made of two rod-shaped structures, and the rod-shaped structures are bent to sequentially form a mounting section (421), a body section (422) connected with the mounting section (421), and a connecting section (423) connected with the body section (422);

two rollers (41) are arranged, and the two rollers (41) are respectively arranged on the two mounting sections (421);

the length of the installation section (421) is smaller than that of the connection section (423), the length direction of the installation section (421) is parallel to that of the connection section (423), and the installation section (421), the body section (422) and the connection section (423) form an opening;

the two connecting sections (423) are fixedly connected, the end faces of the two mounting sections (421) are arranged oppositely, and the two rollers (41) can be respectively positioned in the two notches of the cross beam (2).

4. The jack transverse moving system in the construction of the hanging basket cast-in-place bridge as claimed in claim 3, wherein: the peripheral surfaces of the two connecting sections (423) are fixedly connected.

5. The jack sideslip system in hanging basket cast-in-place bridge construction of claim 3, characterized in that: a reinforcing rod (43) is also fixedly connected between the two body sections (422).

6. The jack transverse moving system in the construction of the hanging basket cast-in-place bridge as claimed in claim 5, wherein: the rod-shaped structure is made of round steel.

7. The jack transverse moving system in the construction of the hanging basket cast-in-place bridge as claimed in claim 6, wherein: the peripheral surface of the round steel is processed to form grains.

8. The jack transverse moving system in the construction of the hanging basket cast-in-place bridge as claimed in claim 6, wherein: the roller (41) is made of a bearing, and one end of the mounting section (421) is fixedly connected to an inner ring of the bearing.

9. The jack transverse moving system in the construction of the hanging basket cast-in-place bridge as claimed in claim 2, wherein: the sliding device comprises a body section (422) and two positioning devices (7) which are arranged on the body section (422) and used for fixing the sliding device (4) on a side plate, wherein each positioning device (7) comprises a base (71) which is arranged on the body section (422) in a detachable mode, a threaded rod (74) which is rotatably arranged on the base (71), a limiting rod (73) which is fixedly connected on the base (71), a first moving plate (75) and a second moving plate (76) which are in threaded connection with the threaded rod (74), and the two bases (71) are clamped on the body section (422);

two sections of threads with different turning directions are arranged on the threaded rod (74), the first moving plate (75) and the second moving plate (76) are respectively connected to the two sections of threads with different turning directions, the limiting rods (73) are movably arranged on the first moving plate (75) and the second moving plate (76) in a penetrating mode, and when the sliding device (4) is arranged on the cross beam (2), the first moving plate (75) and the second moving plate (76) are located on two sides of the side plate.

10. The jack sideslip system in hanging basket cast-in-place bridge construction of claim 9, characterized in that: the fixing lock comprises a fixing lock body (8) arranged on two bases (71), wherein the fixing lock body (8) comprises a first locking plate (81) and a second locking plate (82) which are respectively arranged on the two bases (71), a cylinder (831) movably arranged on the first locking plate (81) in a penetrating mode, a top plate (832) fixedly connected to one end of the cylinder (831), a long plate (833) fixedly connected to the other end of the cylinder (831), and a spring (84) sleeved on the cylinder (831) and located between the top plate (832) and the first locking plate (81);

a long hole (821) through which the long plate (833) penetrates is formed in the second locking plate (82), and a locking groove (822) into which the long plate (833) is clamped is formed in a plate surface of the second locking plate (82) departing from the first locking plate (81).

Images