CN115535914A - Detachable assembly type jacking tool and using method thereof - Google Patents

Abstract

The invention discloses a detachable assembled jacking tool which comprises a load sharing beam, a height adjusting mechanism, an inclined stay bar and a jacking beam, wherein the height adjusting mechanism is arranged on the load sharing beam; the loading sharing Liang Sheyu is arranged on the quayside; the bottom end of the height adjusting mechanism is arranged on the upper surface of the load sharing beam; the inclined support rod is connected between the load-sharing beam and the height adjusting mechanism; the jacking Liang Sheyu is arranged at the top end of the height adjusting mechanism; and a hydraulic jacking system is arranged on the jacking beam. The invention also discloses a use method of the detachable assembly type jacking tool. The invention can be disassembled and repeatedly assembled, is light, convenient and fast, is convenient to transport and meets the use requirement of simple installation on a construction site.

Description

Detachable assembly type jacking tool and using method thereof

Technical Field

The invention relates to jacking tooling equipment for a quayside container crane, in particular to a detachable assembly type jacking tooling and a using method thereof.

Background

At present, in the process of land bridge track gauge modification or lower beam maintenance and replacement, a 9 m-11 m jig frame is used, in order to guarantee the bearing capacity and the overall stability in the jacking process, the jig frame is large in size and heavy in weight, the general overall dimension is 5000 × 11000 (mm), the weight is about 25 tons, the structure is a welding structure, the jig frame cannot be disassembled, the jig frame can not be moved and transported, shipping and large-scale hoisting equipment must be used in long-distance transportation, and the jacking jig frame is transported to each wharf maintenance site to use the actual conditions of inconvenience and high cost.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a detachable and assembled jacking tool and a using method thereof, which can be detached and repeatedly assembled, are light, convenient and fast, are convenient to transport and meet the use requirement of simple installation on a construction site.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides a detachable assembly type jacking tool which comprises a load sharing beam, a height adjusting mechanism, an inclined stay bar and a jacking beam, wherein the height adjusting mechanism is arranged on the load sharing beam;

the loading sharing Liang Sheyu is arranged on the quayside;

the bottom end of the height adjusting mechanism is arranged on the upper surface of the load sharing beam;

the inclined support rod is connected between the load-sharing beam and the height adjusting mechanism;

the jacking Liang Sheyu is arranged at the top end of the height adjusting mechanism;

and a hydraulic jacking system is arranged on the jacking beam.

Preferably, the height adjusting mechanism comprises a plurality of sections of standard sections which are connected in sequence;

the standard knot with between the partial load roof beam, the standard knot with between the standard knot, and the standard knot with connect through the ring flange between the jacking roof beam.

Preferably, both ends of the diagonal brace are connected with the standard section and the load-sharing beam respectively through bolts.

Preferably, the outer side surface of the standard knot and the upper surface of the load-sharing beam are respectively provided with a connecting lug plate used for connecting the inclined supporting rod.

Preferably, the hydraulic jacking system comprises a working platform, a U-shaped seat, a hydraulic jack and a jacking cushion beam;

the working platform is arranged at the top of the standard knot;

the U-shaped seat is arranged on the working platform;

the hydraulic jack is arranged on the U-shaped seat;

the jacking pad beam is arranged at the jacking position of the connecting beam, and a piston of the hydraulic jack corresponds to the jacking pad beam.

The second aspect of the present invention provides a method for using the detachable assembly type jacking tool provided by the first aspect of the present invention, including the following steps:

s1, assembling the detachable assembly type jacking tool;

s2, arranging two groups of detachable assembled jacking tools on the left sea side and the right sea side of the connecting beam;

s3, pre-preparing overturn prevention protection of the lower cross beam and the cart travelling mechanism;

s4, arranging the jacking pad beam at the jacking position of the connecting beam, and keeping the jacking pad beam and the jacking position attached by a chain block;

s5, checking the hydraulic jacking system;

and S6, starting the hydraulic jack to perform jacking operation.

Preferably, the step S1 further includes:

s11, marking a central line of the corresponding detachable assembly type jacking tool on the wharf surface according to the central line of the jacking position of the connecting beam;

s12, measuring the flatness of the wharf surface, wherein the flatness needs to be leveled when the flatness is too poor;

s13, arranging the load sharing beam according to the center line, and adjusting the levelness of the load sharing beam through an adjusting shim;

s14, installing a corresponding number of standard knots according to the height requirement;

s15, installing the inclined supporting rod;

s16, hoisting the jacking beam, and arranging the hydraulic jacking system on the jacking beam.

Preferably, the step S5 further includes:

and checking the verticality of the detachable assembly type jacking tool and the levelness of the jacking beam, and checking the normal work of a pump station of the hydraulic jack and no leakage of a piston.

Preferably, in step S6, before the jacking operation, a pressure test is required again:

the hydraulic jack jacks up and bears the force, the jacking position tests the pressure once, bears the jacking and stays for 20 minutes at 50 mm, and checks that the hydraulic jacking system has no leakage and no pressure loss, and checks the structure and the wharf surface conditions of the detachable assembly type jacking tool.

The detachable assembly type jacking tool and the using method thereof provided by the invention have the following beneficial effects:

1) The jacking of the quay crane in the track gauge modification or lower beam maintenance and replacement process can be realized, and the stability and the safety of the quay crane can be kept;

2) The height of the bridge crane can be lifted up in a short stroke, so that the reconstruction or maintenance project can be smoothly implemented;

3) The track gauge modification or lower beam maintenance and replacement work suitable for bridge cranes with different track gauges can be met;

4) The detachable assembly type jacking tool disclosed by the invention has the advantages that the requirement on the loading of the wharf is reduced;

5) The product components are not influenced, the locking and the disassembly are convenient, the universality and the convenience are realized, and the product can be used repeatedly;

6) The detachable assembled jacking tool is convenient to transport and install after being detached, and is convenient to transport to wharfs in various places for construction and assembly;

7) The small-tonnage hoisting equipment can be used for assembly, so that the construction expenditure can be saved, and the economic benefit is high.

Drawings

FIG. 1 is a schematic structural diagram of a detachably assembled jacking tool of the present invention;

FIG. 2 is a schematic view in the direction A of FIG. 1;

FIG. 3 is a schematic diagram of a method for using the detachably assembled jacking tool of the present invention;

fig. 4 is a schematic view of direction B in fig. 3.

Detailed Description

In order to better understand the technical solutions of the present invention, the following further describes the technical solutions of the present invention with reference to the accompanying drawings and examples.

Referring to fig. 1 and 2, the detachable jacking tool provided by the invention comprises a load sharing beam 1, a height adjusting mechanism, a diagonal brace 2 and a jacking beam 3.

The partial load beam 1 is installed on the wharf surface right below the jacking position of the connection beam, the rigid structure of the partial load beam 1 disperses the pressure transmitted to the wharf surface by the jacking force, the requirement for the wharf bearing is reduced, and the stability of the jacking jig frame is ensured.

The bottom end of the height adjusting mechanism is arranged on the upper surface of the load sharing beam 1 to provide jacking height, and the maximum rated stress of the jacking beam 3 is transmitted to the load sharing beam 1 through flange connection.

The inclined stay bar 2 is connected between the load-sharing beam 1 and the height adjusting mechanism, so that the overall stability of the detachable assembled jacking tool is ensured.

The jacking beam 3 is arranged at the top end of the height adjusting mechanism and used for placing a hydraulic jacking system, bearing jacking pressure and transmitting stress to the height adjusting mechanism through flange connection.

The height adjusting mechanism comprises a plurality of sections of standard sections 4 which are sequentially connected, the number of the standard sections 4 is set according to the requirement of jacking height, the standard section 4 positioned at the bottommost part is connected with the load sharing beam 1, and the standard section 4 positioned at the topmost part is connected with the jacking beam 3.

Both ends of the diagonal brace 2 are respectively connected with the standard section 4 and the load-sharing beam 1 which are positioned at the bottommost part through bolts.

And connecting lug plates for connecting the inclined supporting rods 2 are arranged on the outer side surface of the bottommost standard joint 4 and the upper surface of the load-sharing beam 1.

The standard section 4 and the load-sharing beam 1, the standard section 4 and the standard section 4, and the standard section 4 and the jacking beam 3 are connected by flanges, and the inclined strut 2, the standard section 4 and the load-sharing beam 1 are connected by bolts, so that the steel plate can be disassembled, assembled, light, convenient and convenient to transport, and the use requirement of simple installation on a construction site is met. For example, standard section 4 may be placed centrally in a 20 foot container, with the remaining components all placed centrally in a 40 foot container, and transported synchronously with the transport equipment.

The hydraulic jacking system comprises a working platform 5, a U-shaped seat 6, a hydraulic jack 7 and a jacking pad beam 8.

The working platform 5 is arranged on top of the topmost standard knot 4.

The U-shaped seat 6 is arranged on the working platform 5, and the hydraulic jack 7 is arranged on the U-shaped seat 6.

The jacking pad beam 8 is arranged at the jacking position of the connecting beam, and the piston of the hydraulic jack 7 corresponds to the jacking pad beam 8.

With reference to fig. 3 and 4, the invention further provides a use method of the detachable assembly type jacking tool, and the detachable assembly type jacking tool executes the following steps:

s1, assembling a detachable assembly type jacking tool 100;

s2, arranging two groups of detachable assembled jacking tools 100 on the left sea side and the right sea side of a connecting beam 200 of the door frame;

s3, pre-preparing overturn prevention protection of the lower cross beam and the cart travelling mechanism (pulling a steel wire rope or adding a rigid support for supporting);

s4, arranging a jacking pad beam 8 at the jacking position of the connecting beam 200, keeping the jacking pad beam 8 attached to the jacking position by adopting a chain block 9, paying attention to the installation of the rib plate, and welding a positioning block after meeting the requirements;

s5, checking the hydraulic jacking system;

and S6, starting the hydraulic jack 7 to perform jacking operation.

The step S1 further includes:

s11, marking a central line of the corresponding detachable assembly type jacking tool 100 on the wharf surface according to the central line of the jacking position of the connecting beam 200;

s12, measuring the flatness of the wharf surface, wherein the flatness needs to be leveled when the flatness is too poor;

s13, arranging the load sharing beam 1 according to the center line, measuring the level of the load sharing beam 1, and adjusting the levelness of the load sharing beam 1 through an adjusting gasket;

and S14, installing a corresponding number of standard knots 4 according to the jacking height requirement. The standard knot 4 is pre-assembled into a left single piece and a right single piece on the ground, then the single pieces are hoisted to the flange of the load sharing beam 1 by using a crane, the flange bolts are screwed down, and other connecting pieces are installed after the second piece is hoisted in the same way to complete the installation of the standard knot 4;

s15, installing the diagonal brace 2;

s16, hoisting the jacking beam 3, and arranging a hydraulic jacking system on the jacking beam 3.

The step S5 further includes:

and checking the verticality of the detachable jacking tool 100 and the levelness of the jacking beam 3, and checking the normal work of a pump station of the hydraulic jack 7 and no leakage of a piston.

In the step S6, before the jacking operation, pressure testing is required again:

jacking and stressing of the hydraulic jack 7, once pressure test at a jacking position, 50 mm bearing and jacking and staying for 20 minutes, checking that a hydraulic jacking system has no leakage and no pressure loss, and checking the structure and wharf surface conditions of the detachable and assembled jacking tool 100.

In summary, aiming at the actual situation that the large jacking jig frame is difficult to transport to a wharf site for use in the process of track gauge modification or lower beam maintenance and replacement of the existing shore bridge, the detachable and assembled jacking tool is convenient and safe, the use requirements of detachment and repeated assembly, lightness and convenience, convenience in transportation and simple installation in a construction site of the jacking equipment are considered during design, and the stability and the safety of the jacking tool are fully considered.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above described embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims (9)

1. The utility model provides a removable assecmbly formula jacking frock which characterized in that: the device comprises a load-sharing beam, a height adjusting mechanism, an inclined stay bar and a jacking beam;

the loading sharing Liang Sheyu is arranged on the quayside;

the bottom end of the height adjusting mechanism is arranged on the upper surface of the load sharing beam;

the inclined support rod is connected between the load-sharing beam and the height adjusting mechanism;

the jacking Liang Sheyu is arranged at the top end of the height adjusting mechanism;

and a hydraulic jacking system is arranged on the jacking beam.

2. The removable assecmbly formula jacking frock of claim 1, its characterized in that: the height adjusting mechanism comprises a plurality of sections of standard sections which are connected in sequence;

the standard knot with between the partial load roof beam, the standard knot with between the standard knot, and the standard knot with connect through the ring flange between the jacking roof beam.

3. The removable assecmbly formula jacking frock of claim 2, its characterized in that: and two ends of the inclined strut are respectively connected with the standard section and the load-sharing beam through bolts.

4. The removable assecmbly formula jacking frock of claim 3, its characterized in that: and connecting lug plates used for connecting the inclined supporting rods are arranged on the outer side surfaces of the standard sections and the upper surfaces of the load sharing beams.

5. The removable assecmbly formula jacking frock of claim 2, its characterized in that: the hydraulic jacking system comprises a working platform, a U-shaped seat, a hydraulic jack and a jacking pad beam;

the working platform is arranged at the top of the standard knot;

the U-shaped seat is arranged on the working platform;

the hydraulic jack is arranged on the U-shaped seat;

the jacking pad beam is arranged at the jacking position of the connecting beam, and a piston of the hydraulic jack corresponds to the jacking pad beam.

6. Use method of the detachable assembly type jacking tool according to any one of claims 1 to 5, characterized by comprising the following steps:

s1, assembling the detachable assembly type jacking tool;

s2, arranging two groups of detachable assembled jacking tools on the left sea side and the right sea side of the connecting beam;

s3, pre-preparing overturn prevention protection of the lower cross beam and the cart travelling mechanism;

s4, arranging the jacking pad beam at the jacking position of the connecting beam, and keeping the jacking pad beam and the jacking position attached by a chain block;

s5, checking the hydraulic jacking system;

and S6, starting the hydraulic jack to perform jacking operation.

7. The use method of the detachable jacking tool according to claim 6, wherein the step S1 further comprises:

s11, marking a central line of the corresponding detachable assembly type jacking tool on the wharf surface according to the central line of the jacking position of the connecting beam;

s12, measuring the flatness of the wharf surface, wherein the flatness needs to be leveled when the flatness is too poor;

s13, arranging the load sharing beam according to the center line, and adjusting the levelness of the load sharing beam through an adjusting shim;

s14, installing a corresponding number of standard knots according to the height requirement;

s15, installing the inclined supporting rod;

s16, hoisting the jacking beam, and arranging the hydraulic jacking system on the jacking beam.

8. The use method of the detachably assembled jacking tool according to claim 6, wherein the step S5 further comprises:

and checking the verticality of the detachable jacking tool and the levelness of the jacking beam, and checking that a pump station of the hydraulic jack works normally and a piston does not leak.

9. The use method of the detachable assembly type jacking tool according to claim 6, wherein in the step S6, before jacking operation, pressure testing needs to be carried out:

the hydraulic jack jacks up and bears the force, the jacking position tests the pressure once, bears the jacking and stays for 20 minutes at 50 mm, and checks that the hydraulic jacking system has no leakage and no pressure loss, and checks the structure and the wharf surface conditions of the detachable assembly type jacking tool.

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