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CN-224199039-U - Article lifting device for high-speed bridge widening construction

CN224199039UCN 224199039 UCN224199039 UCN 224199039UCN-224199039-U

Abstract

The utility model discloses an object lifting device for high-speed bridge widening construction, which belongs to the technical field of high-speed bridge widening construction and comprises a widening beam body, a supporting frame body and a travelling device, wherein a pair of lifting devices are connected to the top of the supporting frame body in a sliding manner, and a first guide device and a second guide device are respectively and fixedly connected to two ends, far away from the first sliding device, of the top of the supporting frame body. The utility model has simple structure and can directly lift the construction material from the ground between the new bridge and the old bridge to the construction working surface. The distance of the lifting hook can be adjusted through the sliding device, so that the device can adapt to objects with different sizes, and meanwhile, the walking device can walk freely, and the device is convenient to use on different working surfaces.

Inventors

  • Meng Zenglong
  • LI XIAOMING
  • ZHAO WEIHONG
  • CHEN JUHONG
  • DENG WEI
  • WANG ZUODONG

Assignees

  • 中建六局第四建设有限公司

Dates

Publication Date
20260505
Application Date
20250422

Claims (8)

  1. 1. The object lifting device for the high-speed bridge widening construction is characterized by comprising a widening beam body (1), a supporting frame body (2) and a travelling device (3), wherein the widening beam body (1) is placed in the middle on two sides, the travelling device (3) is fixedly installed at the bottom of the supporting frame body (2), a pair of lifting devices (5) are connected to the top of the supporting frame body (2) in a sliding mode, the lifting devices (5) are symmetrically arranged along the central axis of the supporting frame body (2), a first sliding device (4) is arranged between the lifting devices (5) and the supporting frame body (2), the lifting devices (5) are arranged along the length direction of the widening beam body (1), the first sliding device (4) and the length direction of the lifting devices (5) are vertically arranged, two ends of the supporting frame body (2) away from the first sliding device (4) are fixedly connected with a first guiding device (7) and a second guiding device (8), and the first guiding device (7) and the second guiding device (8) are vertically arranged along the length direction of the lifting devices (8).
  2. 2. The object lifting device for high-speed bridge widening construction according to claim 1, wherein the supporting frame body (2) comprises vertical supporting rods (21), a bottom cross rod (22), lateral diagonal rods (23), top cross rods (24), tracks (25) and bottom connecting plates (26), the four vertical supporting rods (21) are rectangular and distributed at four corner points, the bottoms of the vertical supporting rods (21) are welded with the bottom connecting plates (26), the bottom cross rod (22) is vertically welded between the vertical supporting rods (21) and is in a rectangular frame, the bottom cross rod (22) is located at a certain distance upwards from the bottoms of the vertical supporting rods (21), the four lateral diagonal rods (23) are in a pair of scissors shape and are welded between the vertical supporting rods (21) and are parallel to the length direction of the widening beam body (1), the five top cross rods (24) are welded to form a Chinese character ' ri ' shaped ' frame, the four corner points are welded with one end of the vertical supporting rods (21) away from the bottom connecting plates (26), and the three channel steel (25) are welded on the top cross rods (24) and are welded on the transverse surfaces of the top cross rods (25).
  3. 3. The object lifting device for high-speed bridge widening construction according to claim 2, wherein the traveling device (3) comprises a traveling wheel (31) and a hydraulic jack (32), the traveling wheel (31) is fixedly connected with the bottom connecting plate (26), the bottom of the hydraulic jack (32) far away from the extending direction is fixedly connected with the supporting frame body (2), the extending direction of the hydraulic jack (32) faces the widening beam body (1), and a backing plate is fixedly connected with the end part of the extending direction of the hydraulic jack (32).
  4. 4. The object lifting device for high-speed bridge widening construction according to claim 2, wherein the first sliding device (4) comprises a sliding seat (11), a screw rod (41) and bearing seats (42), the two bearing seats (42) are fixedly installed at two ends of the track (25), the screw rod (41) is installed on the bearing seats (42) in a rolling mode, threads in the two sliding seats (11) are opposite, sliding directions are opposite and are in mirror symmetry with the central surface of the supporting frame body (2), the screw rod (41) penetrates into the center of an installation hole of the sliding seat (11), the sliding seat (11) slides along the length direction of the screw rod (41), the lifting device (5) is fixedly connected at the top of the sliding seat (11), fixed supports are installed at two ends of the first guiding device (7) and the second guiding device (8), guiding rods are fixedly connected, and the two sliding seats (11) are slidingly connected on the guiding rods.
  5. 5. The object lifting device for high-speed bridge widening construction according to claim 4, wherein an installation base plate (111) is fixedly installed at the top of the sliding seat (11), the outer surface of the installation base plate (111) is fixedly connected with the bottom of the lifting device (5), a screw thread box body (112) is welded on the inner surface of the installation base plate (111), four vertical rods (115) are welded on the lower surface of the screw thread box body (112), the four vertical rods (115) respectively penetrate into transverse rollers (114) in a coaxial line, two longitudinal fixing rods (113) are fixedly connected to the lower surface of the vertical rods (115), four vertical rollers (114) are connected to the inner side of the longitudinal fixing rods (113), the circular arcs of the four vertical rollers (114) are tangent to the surface of the track (25), the four transverse rollers (114) are in rolling connection with the two side surfaces of the track (25), the lower surface of the screw thread box body (112) is higher than the highest point of the track (25).
  6. 6. The object lifting device for high-speed bridge widening construction according to claim 5, wherein two lifting devices (5) are respectively provided with a second sliding device (9) and a third sliding device (10), the structures of the second sliding device (9) and the third sliding device (10) are consistent with those of the first sliding device (4), the lifting devices (5) are provided with two lifting hook mounting seats (51), the lifting hook mounting seats (51) are welded on the sliding seat (11), and lifting hooks (52) are hinged at the bottoms of the lifting hook mounting seats.
  7. 7. The object lifting device for high-speed bridge widening construction according to claim 6, wherein the first sliding device (4), the second sliding device (9) and one end of the third sliding device (10) are respectively provided with an adjusting device (6), the adjusting device (6) comprises a crank handle (61), a driven gear (62), a driving gear (63) and a gear mounting plate (64), the gear mounting plate (64) is in bolt connection with the bottom cross rod (22) at the top end of the support frame body (2), the screw rod (41) penetrates through the gear mounting plate (64) and then is fixedly connected with the central hole of the driven gear (62), the driven gear (62) is meshed with the driving gear (63), the number of teeth of the driven gear (62) is larger than that of the driving gear (63), and one face, far away from the gear mounting plate (64), of the driving gear (63) is fixedly connected with the crank handle (61) through a rod piece.
  8. 8. The object lifting device for high-speed bridge widening construction according to claim 7, wherein the number of teeth of the driven gear (62) is twice that of the driving gear (63).

Description

Article lifting device for high-speed bridge widening construction Technical Field The utility model relates to the technical field of high-speed bridge widening construction, in particular to an object lifting device for high-speed bridge widening construction. Background In recent years, with the continuous progress of society and the rapid development of economy, part of early-built bridge roads have the problems of traffic jam and insufficient transportation capability due to narrower road width and fewer lanes, and particularly, the two-way and four-lane roads have been shown, so that safety accidents are increased year by year, the purpose of widening the bridge roads is to widen the bridge roads, thereby solving the problems of road jam and the like, and a lifting appliance is generally used for lifting and transporting components in bridge widening engineering. At present, a crane is adopted for wide bridge hoisting construction, but because the construction site engineering condition is limited, the crane is difficult to spread on a wide splicing working face, the crane frequently goes to and from a wide splicing bridge deck to generate the influence of cracking on cast-in-place concrete on the splicing face, and meanwhile, construction materials are difficult to transport to the bridge deck at times. Therefore, a device capable of directly lifting objects from the ground between a new bridge and an old bridge needs to be designed, and meanwhile, a device with a simple structure and flexible walking and lifting is needed. Disclosure of utility model Aiming at the technical problems in the prior art, the utility model provides an object lifting device for splicing and widening construction of a high-speed bridge, which solves the problem that a crane frequently enters and leaves a splicing bridge deck to crack cast-in-place concrete at a splicing surface, and construction materials are difficult to transport to the deck at times. The object lifting device for the high-speed bridge width splicing construction comprises a width splicing beam body, a supporting frame body and a travelling device, wherein the supporting frame body is arranged at the middle of the width splicing beam body at two sides, the travelling device is fixedly arranged at the bottom of the supporting frame body, a pair of lifting devices are connected to the top of the supporting frame body in a sliding mode, the lifting devices are symmetrically arranged along the central axis of the supporting frame body, a first sliding device is arranged between the lifting devices and the supporting frame body, the lifting devices are arranged along the length direction of the width splicing beam body, the first sliding device is perpendicular to the length direction of the lifting devices, a first guiding device and a second guiding device are fixedly connected to the two ends of the top of the supporting frame body far away from the first sliding device respectively, and the length direction of the first guiding device and the second guiding device are perpendicular to the length direction of the lifting devices and are in sliding connection with the lifting devices. The utility model has the beneficial effects that the structure is simple, and meanwhile, construction materials can be directly lifted to a construction operation surface from the ground between the new bridge and the old bridge. The distance of the lifting hook can be adjusted through the sliding device, so that the device can adapt to objects with different sizes, and meanwhile, the walking device can walk freely, and the device is convenient to use on different working surfaces. On the basis of the technical scheme, the utility model can be improved as follows. Further, the support frame body includes vertical support bar, bottom horizontal pole, side direction bracing, top horizontal pole, track, bottom connecting plate, four vertical support bar is the rectangle and distributes in four corner, the vertical support bar bottom with bottom connecting plate welding, bottom horizontal pole vertical welding is in between the vertical support bar, be rectangular frame, the bottom horizontal pole is located vertical support bar bottom makes progress a certain distance, four two are a pair of side direction bracing, are the scissors shape, weld between the vertical support bar, and with it is parallel to piece together wide beam body length direction, five the welding of top horizontal pole is a day style of calligraphy frame, four corner with vertical support bar is kept away from bottom connecting plate one end welding, three the track welding is in a day style of calligraphy the transverse surface of top horizontal pole frame, the track adopts the channel-section steel to make. The beneficial effect of adopting above-mentioned further scheme is, adopts frame construction's support body can provide bigger lifting weight. Further, running gear includes walking wheel, hydraulic j