CN216583970U

CN216583970U - Bridge jacking jack for building construction

Info

Publication number: CN216583970U
Application number: CN202122933035.9U
Authority: CN
Inventors: 诸晓磊; 郭升; 马天泽
Original assignee: Jiangsu Zhixin Bridge Detection Maintenance And Reinforcement Co ltd
Current assignee: Jiangsu Zhixin Bridge Detection Maintenance And Reinforcement Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-05-24
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a bridge jacking jack for building construction, which comprises a steel cushion block, a jack shell and a mounting box, wherein the jack shell is installed on the top surface of the steel cushion block, a pressure plate is installed inside the jack shell in a sliding mode, an oil inlet pipe is installed on the surface of the jack shell in a penetrating mode, a pressure sensor is installed on the surface of the inner wall of the oil inlet pipe, and a controller is installed on the top surface of the steel cushion block. According to the utility model, the oil inlet pipe, the pressure gauge, the pressure sensor, the controller and the alarm are installed, the pressure sensor is used for detecting the pressure and the oil pressure of the oil inlet pipe, the current pressure value can be reflected by observing the pressure gauge, the alarm can give an alarm after the actual pressure value exceeds the preset range value, so that a worker is reminded that the pressure of an oil way is greatly changed and needs to be checked and maintained, the phenomenon that a beam body overturns due to longitudinal uneven jacking of the beam body caused by faults is avoided, and the practicability of the jack is improved.

Description

Bridge jacking jack for building construction

Technical Field

The utility model relates to the technical field of bridge jacking jacks, in particular to a bridge jacking jack for building construction.

Background

Along with the development of highway construction, the bridge jacking technique has begun to adopt generally in newly-built bridge construction, old bridge maintenance transformation, the bridge jacking is to set up jack and temporary support at the position that needs the jacking, utilize jack, synchronous jacking equipment to raise the displacement operation of raising or reducing bridge structures, the roof beam body jacking is taken one's place the back and is laid temporary support and guarantee its stability, then reform transform the construction to bridge pier, support, stone setting or girder, but current bridge jacking jack is in the in-process that uses, still has some weak points, provide a bridge jacking jack for construction from this and solve relevant problem.

The existing bridge jacking jack has the defects that:

patent document CN214031520U discloses a hydraulic jack convenient to fix, which solves the problem of uneven ground surface during fixing in the prior art. The utility model provides a hydraulic jack convenient to it is fixed, includes the base, the top fixedly connected with jack of base, and the inside of base closes soon through the screw thread and is connected with the first screw rod of a plurality of, and all first screw rods use the axis of jack as the symmetry axis symmetric distribution and run through the base, the top fixedly connected with disc of first screw rod, a plurality of second arc wall has been seted up on the outer wall of disc, is provided with corresponding limiting plate in the second arc wall, and the bottom of limiting plate closes soon through the third screw rod and is connected with the piece, and the groove that suits with the limiting plate is seted up to the inside of piece, and the bottom of first screw rod is provided with the second screw rod. The utility model can fix the jack under the condition that the ground is uneven or has a certain inclination angle, but in the using process of the hydraulic jack, because the oil pipe pressure of the jack cylinder is greatly changed when the oil pipe of the jack cylinder breaks down, the jack is lack of a structure capable of monitoring the pressure of the hydraulic pipe, the generation of the jack fault cannot be known in time, so that the beam body is lifted up unevenly in the longitudinal and transverse directions, and the beam body can overturn seriously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bridge jacking jack for building construction, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a bridge jacking jack for building construction comprises a steel cushion block, a jack shell and a mounting box, wherein the jack shell is mounted on the top surface of the steel cushion block, and a pressure plate is slidably mounted inside the jack shell;

an oil inlet pipe penetrates through the surface of the jack shell, a pressure sensor is mounted on the surface of the inner wall of the oil inlet pipe, a controller is mounted on the surface of the top of the steel cushion block and located on one side of the jack shell, an alarm is mounted on the surface of the oil inlet pipe, a pressure gauge is mounted on the surface of the oil inlet pipe and located on one side of the alarm;

the top surface mounting of pressure plate has the telescopic link, and the top of telescopic link extends to the outside of jack casing.

Preferably, the mounting box is installed to the surface symmetry of telescopic link, and the mounting box is located the top of jack casing, the worm is installed through the bearing to one side inner wall of mounting box, and the bottom of worm extends to the outside of mounting box, the threaded rod is installed through the bearing to the inner wall of mounting box, the worm wheel has been cup jointed on the surface of threaded rod, and the worm wheel is located the place ahead of worm, the surperficial threaded connection of threaded rod has the movable block, and the movable block is located one side of worm wheel, the inserted bar of L shape is installed at the top of movable block, and the tail end of inserted bar extends to the outside of mounting box, the worm is connected with the worm wheel meshing.

Preferably, the surface of the oil inlet pipe is provided with a control valve, and the control valve is positioned on the other side of the alarm.

Preferably, the top end of the telescopic rod is provided with a top block in a embedded mode.

Preferably, the inside of kicking block is provided with the cooperation groove, and cooperation groove and the tail end phase-match of grafting pole.

Preferably, a partition plate is installed on the inner wall of the jack shell, and the partition plate is located above the pressure plate.

Preferably, the top surface of baffle runs through and is provided with the sealing washer, and the internal surface of sealing washer and the surperficial laminating of telescopic link.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the oil inlet pipe, the pressure gauge, the pressure sensor, the controller and the alarm are arranged, hydraulic oil is sent into the jack shell through the oil inlet pipe, the oil pressure of the oil inlet pipe is detected through the pressure sensor, the current pressure value can be reflected by observing the pressure gauge, and the alarm can give an alarm after the actual pressure value exceeds the preset range value, so that a worker is reminded that the pressure of an oil way is greatly changed and needs to be checked and maintained.

2. According to the utility model, the mounting box, the worm, the threaded rod, the worm wheel, the moving block and the inserting rod are mounted, the worm is rotated to drive the worm wheel meshed with the worm to rotate, the rotating worm wheel can drive the sleeved threaded rod to rotate, the moving block can transversely move on the surface of the moving block through the rotating threaded rod, and thus one end of the inserting rod is driven to be embedded into the matching groove in the top block, so that the top block is mounted and fixed, and the top block can be conveniently dismounted and mounted through the mounting box.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

FIG. 3 is a partial schematic view of the present invention;

fig. 4 is a schematic structural diagram of the mounting box of the present invention.

In the figure: 1. a steel cushion block; 2. a jack housing; 3. a pressure plate; 4. a telescopic rod; 5. an oil inlet pipe; 6. a controller; 7. a pressure sensor; 8. mounting a box; 801. a worm; 802. a threaded rod; 803. a worm gear; 804. a moving block; 805. a plug rod; 9. an alarm; 10. a pressure gauge; 11. a control valve; 12. a top block; 13. a mating groove; 14. a partition plate; 15. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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

The first embodiment is as follows:

referring to fig. 1 and 2, a bridge jacking jack for building construction comprises a steel cushion block 1, a jack housing 2 and a mounting box 8, wherein the jack housing 2 is mounted on the top surface of the steel cushion block 1, and a pressure plate 3 is slidably mounted inside the jack housing 2;

specifically, the steel cushion block 1 provides an installation space for the jack, and the movable pressure plate 3 lifts the telescopic rod 4 at the top of the jack.

As shown in fig. 3, a bridge jacking jack for construction, jack housing 2's surface runs through to install into oil pipe 5, the inner wall surface mounting who advances oil pipe 5 has pressure sensor 7, the top surface mounting of steel cushion 1 has controller 6, and controller 6 is located one side of jack housing 2, the surface mounting who advances oil pipe 5 has alarm 9, the surface mounting who advances oil pipe 5 has manometer 10, and manometer 10 is located one side of alarm 9, the top surface mounting of pressure plate 3 has telescopic link 4, and the top of telescopic link 4 extends to jack housing 2's outside.

Concretely, at the in-process that uses this bridge jacking jack, send hydraulic oil into jack casing 2 through advancing oil pipe 5, and detect advancing oil pipe 5's oil pressure through pressure sensor 7, and through observing manometer 10, can reflect current pressure value, surpass behind predetermined scope value at the actual pressure value, alarm 9 can report to the police, thereby remind the great change of pressure appearance of staff's oil circuit, need inspect and maintain, avoid making the vertical inhomogeneous jacking of roof beam body because of the trouble from this, lead to the roof beam body to take place the phenomenon of toppling, thereby improve the practicality of this jack.

A partition plate 14 is installed on the inner wall of the jack shell 2, the partition plate 14 is located above the pressure plate 3, a sealing ring 15 penetrates through the top surface of the partition plate 14, the inner surface of the sealing ring 15 is attached to the surface of the telescopic rod 4, a control valve 11 is installed on the surface of the oil inlet pipe 5, and the control valve 11 is located on the other side of the alarm 9.

Specifically, the bottom end of the jack housing 2 is partitioned into an oil pressure cavity by the partition plate 14, so that hydraulic oil is filled into the jack housing 2 better to enable the pressure plate 3 to ascend, the air tightness inside the jack housing 2 is kept by the sealing ring 15, and the oil supply of the oil inlet pipe 5 to the inside of the jack housing 2 is controlled by the control valve 11.

Example two

As shown in fig. 4, a bridge jacking jack for building construction comprises a mounting box 8, the mounting box 8 is symmetrically mounted on the surface of a telescopic rod 4, the mounting box 8 is located above a jack housing 2, a worm 801 is mounted on the inner wall of one side of the mounting box 8 through a bearing, the bottom end of the worm 801 extends to the outside of the mounting box 8, a threaded rod 802 is mounted on the inner wall of the mounting box 8 through a bearing, a worm wheel 803 is sleeved on the surface of the threaded rod 802, the worm wheel 803 is located in front of the worm 801, a moving block 804 is connected to the surface of the threaded rod 802 in a threaded manner, the moving block 804 is located on one side of the worm wheel 803, an L-shaped plugging rod 805 is mounted at the top of the moving block 804, the tail end of the plugging rod 805 extends to the outside of the mounting box 8, a top block 12 is mounted on the top end of the telescopic rod 4 in an embedded manner, the worm 801 is meshed with the worm wheel 803, a matching groove 13 is arranged inside the top block 12, and the fitting groove 13 is fitted to the rear end of the bayonet pole 805.

Specifically, because current jack kicking block 12 is inconvenient to be changed, lead to wearing and tearing serious influence to use balance, at the in-process of using this bridge jacking jack, through rotating worm 801, it is rotatory rather than meshing the worm wheel 803 of being connected to make pivoted worm 801 drive, rotatory worm wheel 803 can drive its threaded rod 802 that cup joints and rotate, and can realize movable block 804 at its surface lateral shifting through pivoted threaded rod 802, in the cooperation groove 13 in the one end embedding kicking block 12 that from this drives peg 805, thereby it is fixed to install kicking block 12, can be convenient for carry out the dismouting to kicking block 12 through mounting box 8 from this, it is convenient to change the kicking block 12 of wearing and tearing, and improve the practicality of this jack.

The working principle is as follows: because the current jack-up piece 12 is inconvenient to be changed, lead to wearing and tearing to seriously influence the balance in use, in the in-process of using this bridge jacking jack, through rotating worm 801, make pivoted worm 801 drive rather than the worm wheel 803 of meshing connection rotatory, rotatory worm wheel 803 can drive its threaded rod 802 that cup joints and rotate, and can realize moving block 804 at its surperficial lateral shifting through pivoted threaded rod 802, in the cooperation groove 13 in the one end embedding kicking block 12 that from this drives peg 805, thereby it is fixed to install kicking block 12, can be convenient for carry out the dismouting to kicking block 12 through mounting box 8 from this, it is convenient in changing the kicking block 12 of wearing and tearing, and improve the practicality of this jack.

In the in-process using this bridge jacking jack, send hydraulic oil into jack casing 2 through advancing oil pipe 5, and detect advancing oil pipe 5's oil pressure through pressure sensor 7, and through observing manometer 10, can reflect current pressure value, after actual pressure value surpassed predetermined scope value, alarm 9 can report to the police, thereby remind the pressure of staff's oil circuit great change to appear, need inspect and maintain, avoid making the vertical inhomogeneous jacking of roof beam body because of the trouble from this, lead to the roof beam body to take place the phenomenon of toppling, thereby improve the practicality of this jack.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a bridge jacking jack that construction used, includes steel cushion block (1), jack casing (2) and mounting box (8), its characterized in that: a jack shell (2) is installed on the top surface of the steel cushion block (1), and a pressure plate (3) is installed inside the jack shell (2) in a sliding mode;

an oil inlet pipe (5) penetrates through the surface of the jack shell (2), a pressure sensor (7) is installed on the surface of the inner wall of the oil inlet pipe (5), a controller (6) is installed on the surface of the top of the steel cushion block (1), the controller (6) is located on one side of the jack shell (2), an alarm (9) is installed on the surface of the oil inlet pipe (5), a pressure gauge (10) is installed on the surface of the oil inlet pipe (5), and the pressure gauge (10) is located on one side of the alarm (9);

the top surface mounting of pressure plate (3) has telescopic link (4), and the top of telescopic link (4) extends to the outside of jack casing (2).

2. The bridge jacking jack for building construction according to claim 1, wherein: the surface of the telescopic rod (4) is symmetrically provided with mounting boxes (8), the mounting boxes (8) are positioned above the jack shell (2), a worm (801) is arranged on the inner wall of one side of the mounting box (8) through a bearing, the bottom end of the worm (801) extends to the outside of the mounting box (8), the inner wall of the mounting box (8) is provided with a threaded rod (802) through a bearing, the surface of the threaded rod (802) is sleeved with a worm wheel (803), the worm wheel (803) is positioned in front of the worm (801), the surface of the threaded rod (802) is connected with a moving block (804) in a threaded manner, the moving block (804) is positioned at one side of the worm wheel (803), the top of the moving block (804) is provided with an L-shaped plugging rod (805), and the tail end of the insertion rod (805) extends to the outside of the mounting box (8), and the worm (801) is meshed and connected with the worm wheel (803).

3. The bridge jacking jack for building construction according to claim 1, wherein: the surface mounting who advances oil pipe (5) has control valve (11), and control valve (11) are located the opposite side of alarm (9).

4. The bridge jacking jack for building construction according to claim 1, wherein: the top end of the telescopic rod (4) is embedded with a top block (12).

5. The bridge jacking jack for building construction according to claim 4, wherein: the inside of kicking block (12) is provided with cooperation groove (13), and cooperation groove (13) and the tail end phase-match of grafting pole (805).

6. The bridge jacking jack for building construction according to claim 1, wherein: a partition plate (14) is installed on the inner wall of the jack shell (2), and the partition plate (14) is located above the pressure plate (3).

7. The bridge jacking jack for building construction according to claim 6, wherein: the top surface of baffle (14) runs through and is provided with sealing washer (15), and the internal surface of sealing washer (15) and the surface laminating of telescopic link (4).