CN113291982A

CN113291982A - Bridge hoisting device

Info

Publication number: CN113291982A
Application number: CN202110669343.7A
Authority: CN
Inventors: 葛云峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-08-24
Anticipated expiration: 2041-06-17
Also published as: CN113291982B

Abstract

The invention discloses a bridge lifting device, and belongs to the technical field of bridge construction. The utility model provides a bridge hoisting device, includes strutting arrangement, strutting arrangement is provided with two, two strutting arrangement's top inboard is connected with two parallel sliding guide, two be connected with slider between the sliding guide, slider's bottom is connected with elevating gear, elevating gear's below is connected with the device of pulling. The invention solves the problems of unadjustable moving range and poor stability of the traditional bridge lifting device.

Description

Bridge hoisting device

Technical Field

The invention relates to the technical field of bridge construction, in particular to a bridge lifting device.

Background

The bridge is generally a structure which is erected on rivers, lakes and seas and allows vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the modern high-speed developed traffic industry, bridges are also extended to be constructed to span mountain stream, unfavorable geology or meet other traffic needs, so that the buildings are convenient to pass. The bridge needs to send various materials and parts used to a construction place in construction and construction, and corresponding lifting devices are often needed to be used along with the change of the construction height, but the existing bridge lifting devices have the following defects:

1. the traditional bridge lifting device is inconvenient to move or can move but has poor stability in use;

2. the moving range of the traditional bridge lifting device cannot be adjusted, and the whole device can only be moved when the lifting position is changed, so that the traditional bridge lifting device is very inconvenient.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to provide a bridge lifting device, which aims to solve the problems in the background technology:

the traditional bridge lifting device has the problems of unadjustable moving range and poor stability.

2. Technical scheme

The utility model provides a bridge hoisting device, includes strutting arrangement, strutting arrangement is provided with two, two strutting arrangement's top inboard is connected with two parallel sliding guide, two be connected with slider between the sliding guide, slider's bottom is connected with elevating gear, elevating gear's below is connected with the device of pulling.

Preferably, strutting arrangement includes the base, the bottom activity of base is provided with two and removes the wheel, the top of removing the wheel is connected with the bottom supporting legs of support frame, the outside cover of supporting legs is equipped with the screw thread post, the bottom fixedly connected with gear wheel of screw thread post, threaded connection has supporting motor on the bottom inner wall of base, supporting motor's output fixedly connected with lifting gear, lifting gear and gear wheel meshing cooperation, the top of base is fixed to be inserted and is equipped with spacing post, the bottom of spacing post is inserted and is equipped with the screw, the outside threaded connection of screw has the pinion, pinion and lifting gear meshing cooperation.

Preferably, the sliding guide rail includes a fixing frame, the fixing frame is welded at the top of the supporting frame, two outer rods are welded on the inner side of each fixing frame respectively, the same inner rod is inserted into the outer rods on the two sides, the two ends of the inner rod are movably connected with four guide wheels, and the guide wheels are in friction contact with the inner parts of the outer rods.

Preferably, the sliding device comprises an upper shell and a lower shell, the bottom of the upper shell is sleeved outside the lower shell, the top of the lower shell is fixedly connected with a spring, the top of the spring is fixedly connected with the inner wall of the top of the upper shell, the outer sides of the upper shell and the lower shell are movably connected with a sliding wheel, the sliding wheel is in friction contact with a sliding guide rail, the inner side of the sliding wheel is coaxially connected with a side gear, the rear end of the lower shell is inserted with a sliding motor, the output end of the sliding motor is fixedly connected with a first bevel gear, the front end of the first bevel gear is meshed with a second bevel gear, the upper end and the lower end of the second bevel gear are coaxially connected with a long gear, and the long gear is meshed with the side gear.

Preferably, elevating gear includes elevator motor, elevator motor fixed connection is in the bottom of inferior valve, elevator motor's output fixedly connected with spooler, the outside cover of spooler is equipped with the shell, the surface of spooler is around there being wire rope, wire rope's the other end and the bottom fixed connection of inferior valve.

Preferably, the towing device comprises a lifter, a hook is welded at the bottom of the lifter, an inner ring is movably connected inside the lifter, two through holes are formed in the top of the lifter, and the steel wire rope penetrates through the through holes and is movably connected with the bottom of the inner ring.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

1. the bottom of the supporting device of the invention is provided with the movable wheel which can move freely, thereby facilitating the position transfer of the whole device, simultaneously the base can be lifted, when the supporting device reaches a designated position, the base is lifted to increase the contact area between the device and the ground, preventing the pressure intensity of a stress position from being too large and sinking into the soil due to too small supporting area of the movable wheel, when the base is lifted, the screw can also descend simultaneously, thereby being inserted into the soil, preventing the position of the supporting device from deviating, when in use, the supporting motor is started, the lifting gear rotates to drive the big gear and the small gear to rotate, the big gear rotates to drive the threaded column to rotate, the threaded column is fixed with the supporting legs, at the moment, the base is lifted to be completely contacted with the ground, the height of the lifting gear is higher, the big gear can be always meshed with the lifting gear in the lifting process, and the radius of the small gear is about one half of the big gear, therefore, the angular speed of the small gear is twice that of the large gear, the descending speed of the screw is twice that of the base, the screw can be inserted into the deep depth of the soil when the base descends to be in full contact with the ground, the stability of the device is guaranteed, the supporting device can conveniently move the whole device, and meanwhile the stability of the device is guaranteed during working.

2. The sliding guide rail of the invention can be stretched and contracted, the stretching function of the sliding guide rail can be very simply realized by matching with the movable wheel, when two supporting devices move in opposite directions, two fixing frames can be driven to move in opposite directions, so that the inner rod is exposed, the length of the whole sliding guide rail is increased, the smooth movement is ensured by the guide wheels arranged at the two ends of the inner rod, the sliding device is clamped on the sliding guide rail, so that the stability of the sliding device during movement is ensured, the sliding device comprises an upper shell and a lower shell, the bottom of the upper shell is sleeved at the outer side of the lower shell, the top of the lower shell is fixedly connected with a spring, the top of the spring is fixedly connected with the inner wall at the top of the upper shell, the upper shell is connected with the lower shell through the spring, so that the sliding wheel can be in close contact with the outer rod and the inner rod when the sliding device slides on the outer rod and the inner rod, the inner side of the sliding wheel is coaxially connected with a side gear, and a sliding motor is inserted at the rear end of the lower shell, the output fixedly connected with bevel gear No. one of sliding motor, bevel gear's front end meshing is connected with No. two bevel gears, No. two bevel gear's bottom coaxial coupling has the long gear, long gear and side gear meshing cooperation, when sliding motor starts, bevel gear rotates thereupon, thereby drive two No. two bevel gear rotations, because two No. two bevel gears are upper and lower symmetric distribution, so two No. two coaxial incorgruous rotations of bevel gear, and then drive about the pulley incorgruous rotation, because about the pulley respectively with sliding guide's top and bottom be connected, so can drive slider and remove, this device sliding guide's length adjustment is simple, slider removes conveniently.

3. The invention utilizes the lifting device to drive the towing device to move up and down to drive the bridge to lift, when in use, the lifting motor is started to drive the winder to rotate to control the steel wire rope to extend and shorten, the towing device comprises the lifter, the bottom of the lifter is welded with the hook, the inner ring is movably connected inside the lifter, the steel wire rope passes through the through hole to be in friction contact with the bottom of the inner ring, so that the towing device can be driven to descend and ascend in the process of extending and shortening the steel wire rope, and the connecting mode can reduce the tensile force received by the steel wire rope, reduce the pressure of the steel wire rope and prevent the steel wire rope from being damaged due to overlarge stress.

Drawings

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

FIG. 2 is an internal view of the support device of the present invention;

FIG. 3 is an internal view of a spacing post of the present invention;

FIG. 4 is an external view of the support device of the present invention;

FIG. 5 is an inside view of the sliding guide of the present invention;

FIG. 6 is an internal view of the sliding device of the present invention;

fig. 7 is a schematic view of a lifting device and a towing device according to the present invention.

The reference numbers in the figures illustrate: 1. a support device; 101. a base; 102. a moving wheel; 103. a threaded post; 104. a bull gear; 105. a support motor; 106. a lifting gear; 107. a pinion gear; 108. a screw; 109. a limiting column; 110. a support frame; 2. a sliding guide rail; 201. a fixed mount; 202. an outer rod; 203. an inner rod; 204. a guide wheel; 3. a sliding device; 301. an upper shell; 302. a lower case; 303. a spring; 304. a sliding wheel; 305. a side gear; 306. a slide motor; 307. a first bevel gear; 308. a second bevel gear; 309. a long gear; 4. a lifting device; 401. a lifting motor; 402. a housing; 403. a winder; 404. a wire rope; 5. a towing device; 501. a lifter; 502. hooking; 503. an inner ring; 504. and (6) perforating.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "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.

Example 1:

referring to fig. 1-4, a bridge lifting device comprises two supporting devices 1, two supporting devices 1 are arranged, two parallel sliding guide rails 2 are connected to the inner sides of the tops of the two supporting devices 1, a sliding device 3 is connected between the two sliding guide rails 2, a lifting device 4 is connected to the bottom of the sliding device 3, and a towing device 5 is connected to the lower portion of the lifting device 4.

Strutting arrangement 1 includes base 101, base 101's bottom activity is provided with two and removes wheel 102, the top that removes wheel 102 is connected with the bottom supporting legs of support frame 110, the outside cover of supporting legs is equipped with screw thread post 103, the bottom fixedly connected with gear wheel 104 of screw thread post 103, threaded connection has supporting motor 105 on base 101's the bottom inner wall, supporting motor 105's output fixedly connected with lifting gear 106, lifting gear 106 and gear wheel 104 meshing cooperation, base 101's top is fixed to be inserted and is equipped with spacing post 109, the bottom of spacing post 109 is inserted and is equipped with screw 108, the outside threaded connection of screw 108 has pinion 107, pinion 107 and lifting gear 106 meshing cooperation.

The bottom of the supporting device 1 of the invention is provided with the movable wheel 102 which can move freely, thereby facilitating the position transfer of the whole device, meanwhile, the base 101 can be lifted, when the supporting device 1 reaches a designated position, the base 101 is lifted to enlarge the contact area between the device and the ground, preventing the pressure of the stress position from being too large and sinking into the soil due to too small supporting area of the movable wheel 102, when the base 101 is lifted, the screw 108 can be lifted simultaneously, thereby being inserted into the soil, preventing the position of the supporting device 1 from deviating, when in use, the supporting motor 105 is started, the lifting gear 106 rotates to drive the big gear 104 and the small gear 107 to rotate, the big gear 104 rotates to drive the threaded column 103 to rotate, the threaded column 103 is fixed with the position of the supporting leg, at the moment, the base 101 is lifted to be completely contacted with the ground, the height of the lifting gear 106 is higher, the big gear 104 can be always meshed with the lifting gear 106 in the lifting process, the radius of the small gear 107 is about one half of that of the big gear 104, so the angular speed of the small gear 107 is twice that of the big gear 104, the descending speed of the screw 108 is twice that of the base 101, when the base 101 descends to be in full contact with the ground, the screw 108 can be inserted into the soil to a deeper depth, the stability of the device is ensured, the supporting device 1 can conveniently move the whole device, and meanwhile, the stability of the device is ensured during working.

Example 2:

referring to fig. 5-6, the difference between the embodiment 1 and the embodiment is that the sliding guide rail 2 includes a fixed frame 201, the fixed frame 201 is welded on the top of the supporting frame 110, two outer rods 202 are welded on the inner side of each fixed frame 201, the same inner rod 203 is inserted into the outer rods 202 on both sides, four guide wheels 204 are movably connected to both ends of the inner rod 203, and the guide wheels 204 are in frictional contact with the inner portions of the outer rods 202.

The sliding device 3 comprises an upper shell 301 and a lower shell 302, the bottom of the upper shell 301 is sleeved on the outer side of the lower shell 302, the top of the lower shell 302 is fixedly connected with a spring 303, the top of the spring 303 is fixedly connected with the inner wall of the top of the upper shell 301, the outer sides of the upper shell 301 and the lower shell 302 are movably connected with a sliding wheel 304, the sliding wheel 304 is in friction contact with the sliding guide rail 2, the inner side of the sliding wheel 304 is coaxially connected with a side gear 305, the rear end of the lower shell 302 is inserted with a sliding motor 306, the output end of the sliding motor 306 is fixedly connected with a first bevel gear 307, the front end of the first bevel gear 307 is meshed with a second bevel gear 308, the upper end and the lower end of the second bevel gear 308 are coaxially connected with a long gear 309, and the long gear 309 is meshed with the side gear 305.

The sliding guide rail 2 of the invention can be extended and contracted, the extension and contraction function of the sliding guide rail 2 can be realized very simply by matching with the moving wheel 102, when two supporting devices 1 move in opposite directions, two fixing frames 201 can be driven to move in opposite directions, so that the inner rod 203 is exposed, the length of the whole sliding guide rail 2 is increased, guide wheels 204 arranged at two ends of the inner rod 203 ensure smooth movement, the sliding device 3 is clamped on the sliding guide rail 2, so that the stability of the sliding device 3 in movement is ensured, the sliding device 3 comprises an upper shell 301 and a lower shell 302, the bottom of the upper shell 301 is sleeved at the outer side of the lower shell 302, the top of the lower shell 302 is fixedly connected with a spring 303, the top of the spring 303 is fixedly connected with the inner wall at the top of the upper shell 301, the upper shell 301 is connected with the lower shell 302 through the spring 303, so that the sliding wheel 304 can be in close contact with the outer rod 202 and the inner rod 203 when the sliding device 3 slides on the outer rod and the inner rod 203, the inner side of the sliding wheel 304 is coaxially connected with a side gear 305, the rear end of the lower shell 302 is inserted with a sliding motor 306, the output end of the sliding motor 306 is fixedly connected with a first bevel gear 307, the front end of the first bevel gear 307 is engaged with a second bevel gear 308, the bottom of the second bevel gear 308 is coaxially connected with a long gear 309, the long gear 309 is engaged and matched with the side gear 305, when the sliding motor 306 is started, the first bevel gear 307 rotates along with the long gear 309, thereby driving the two second-number bevel gears 308 to rotate, because the two second-number bevel gears 308 are distributed up and down symmetrically, therefore, the two second-size bevel gears 308 rotate coaxially and in different directions, and further drive the upper and lower sliding wheels 304 to rotate in different directions, because the upper and lower sliding wheels 304 are respectively connected with the top and the bottom of the sliding guide rail 2, therefore, the sliding device 3 can be driven to move, the length of the sliding guide rail 2 of the device is simple to adjust, and the sliding device 3 is convenient to move.

Example 3:

referring to fig. 7, the difference between the

embodiments

1 and 2 is that the lifting device 4 includes a lifting motor 401, the lifting motor 401 is fixedly connected to the bottom of the lower shell 302, an output end of the lifting motor 401 is fixedly connected to a winding device 403, an outer shell 402 is sleeved outside the winding device 403, a steel wire rope 404 is wound around the surface of the winding device 403, and the other end of the steel wire rope 404 is fixedly connected to the bottom of the lower shell 302.

The towing device 5 comprises a lifter 501, a hook 502 is welded at the bottom of the lifter 501, an inner ring 503 is movably connected inside the lifter 501, two through holes 504 are formed in the top of the lifter 501, and the steel wire rope 404 penetrates through the through holes 504 to be in friction contact with the bottom of the inner ring 503.

The invention utilizes the lifting device 4 to drive the towing device 5 to move up and down to drive the bridge to lift, when in use, the lifting motor 401 is started to drive the winder 403 to rotate to control the extension and the shortening of the steel wire rope 404, the towing device 5 comprises a lifter 501, the bottom of the lifter 501 is welded with a hook 502, the inner part of the lifter 501 is movably connected with an inner ring 503, the steel wire rope 404 passes through a through hole 504 to be in frictional contact with the bottom of the inner ring 503, so that the towing device 5 can be driven to descend and ascend in the extension and shortening processes of the steel wire rope 404, and the connection mode can reduce the tensile force received by the steel wire rope 404, reduce the pressure of the steel wire rope 404 and prevent the steel wire rope 404 from being damaged due to overlarge stress.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A bridge hoisting device which characterized in that: the device comprises a supporting device (1), wherein the supporting device (1) is provided with two sliding guide rails (2) which are parallel to each other, two sliding guide rails (3) are connected between the two sliding guide rails (2), the bottom of each sliding guide rail (3) is connected with a lifting device (4), and a towing device (5) is connected below each lifting device (4).

2. A bridge lifting device according to claim 1, wherein: the supporting device (1) comprises a base (101), two moving wheels (102) are movably arranged at the bottom of the base (101), the top of the moving wheel (102) is connected with the bottom supporting foot of the supporting frame (110), the outer side of the supporting leg is movably sleeved with a threaded column (103), the bottom of the threaded column (103) is fixedly connected with a bull gear (104), a supporting motor (105) is connected with the inner wall of the bottom of the base (101) in a threaded manner, the output end of the supporting motor (105) is fixedly connected with a lifting gear (106), the lifting gear (106) is meshed and matched with the large gear (104), a limiting column (109) is fixedly inserted at the top of the base (101), a screw (108) is inserted into the bottom of the limiting column (109), a pinion (107) is connected to the outer side of the screw (108) in a threaded manner, and the pinion (107) is meshed with the lifting gear (106).

3. A bridge lifting device according to claim 2, wherein: sliding guide (2) are including mount (201), mount (201) welding is at the top of support frame (110), every two outer poles (202) have been welded respectively to the inboard of mount (201), and the inside of both sides outer pole (202) is inserted and is equipped with same interior pole (203), the both ends swing joint of interior pole (203) has four guide pulleys (204), the inside friction contact of guide pulley (204) and outer pole (202).

4. A bridge lifting device according to claim 1, wherein: the sliding device (3) comprises an upper shell (301) and a lower shell (302), the bottom of the upper shell (301) is sleeved outside the lower shell (302), the top of the lower shell (302) is fixedly connected with a spring (303), the top of the spring (303) is fixedly connected with the inner wall of the top of the upper shell (301), the outer sides of the upper shell (301) and the lower shell (302) are both movably connected with a sliding wheel (304), the sliding wheel (304) is in friction contact with a sliding guide rail (2), the inner side of the sliding wheel (304) is coaxially connected with a side gear (305), the rear end of the lower shell (302) is inserted with a sliding motor (306), the output end of the sliding motor (306) is fixedly connected with a first bevel gear (307), the front end of the first bevel gear (307) is engaged with a second bevel gear (308), and the upper end and the lower end of the second bevel gear (308) are coaxially connected with a long gear (309), the long gear (309) is meshed with the side gear (305).

5. A bridge lifting device according to claim 4, wherein: elevating gear (4) include elevator motor (401), elevator motor (401) fixed connection is in the bottom of inferior valve (302), the output fixedly connected with spooler (403) of elevator motor (401), the outside cover of spooler (403) is equipped with shell (402), the surface of spooler (403) is around the one end that has wire rope (404), the other end of wire rope (404) and the bottom fixed connection of inferior valve (302).

6. A bridge lifting device according to claim 5, wherein: the towing device (5) comprises a lifter (501), a hook (502) is welded at the bottom of the lifter (501), an inner ring (503) is movably connected inside the lifter (501), two through holes (504) are formed in the top of the lifter (501), and the steel wire rope (404) penetrates through the through holes (504) to be in friction contact with the bottom of the inner ring (503).