CN215104753U

CN215104753U - Lifting device for tie rod arch bridge construction

Info

Publication number: CN215104753U
Application number: CN202120962714.6U
Authority: CN
Inventors: 于琳; 高辉; 刘志磊; 翟广辉; 张健; 于海飞
Original assignee: First Engineering Co Ltd of China Railway Construction Bridge Engineering Bureau Group Co Ltd
Current assignee: First Engineering Co Ltd of China Railway Construction Bridge Engineering Bureau Group Co Ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-12-10
Anticipated expiration: 2031-05-07

Abstract

The utility model discloses a lifter is used in construction of tie rod arch bridge, strengthen strip, direction slide rail, lateral shifting mechanism, electric block, rocker, location inserted bar, cavity, first pivot, second pivot, conical gear, square pole, threaded rod, screw hole, fly leaf, guide bar and guiding hole including bottom plate, truckle, portal, support. The utility model discloses useful part lies in that its both sides have vertical moving mechanism, can fix a position the drive of inserted bar through vertical moving mechanism, inserts in earth, has better locate function, improves and removes the base and after removing, fixes a position, has improved stability, and its lift is realized through electric block simultaneously, has direction slide rail and lateral shifting mechanism simultaneously, can realize horizontal ascending removal, is convenient for carry out horizontal ascending removal, has improved the effect of using.

Description

Lifting device for tie rod arch bridge construction

Technical Field

The utility model relates to a elevating gear specifically is an elevating gear is used in tie rod arch bridge construction.

Background

The tied arch bridge, as one member of an arch bridge family, has the general characteristics of an arch bridge and the unique characteristics of the tied arch bridge; the bridge integrates the advantages of an arch and a beam, combines two basic structural forms of the arch and the beam together to bear load together, gives full play to the structural performance and the combination effect of bending and pressing the beam, and bears the horizontal thrust of an arch end by using a pull rod so that a support of the arch end does not generate the horizontal thrust. The arch and the chord are connected by vertical rods hinged at two ends.

When the tied arch bridge is constructed, the lifting device is required to hoist materials, but the bottom of the lifting device in the prior art is provided with casters to move, but the bottom of the lifting device is lack of a positioning structure after moving, so that the tied arch bridge is not easy to position, is limited with the ground, and is possibly poor in stability. Therefore, a lifting device for tie rod arch bridge construction is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a lifting device for tie rod arch bridge construction, which comprises a portal frame and a guide slide rail fixedly arranged at the top position of the portal frame, wherein the guide slide rail is transversely arranged, a transverse moving mechanism is arranged on the guide slide rail, and an electric hoist is fixedly arranged at the bottom of the transverse moving mechanism; the automatic positioning device is characterized in that moving bases are fixedly mounted on two sides of the bottom of the portal frame, cavities are formed in the two sides of the portal frame, a vertical moving mechanism is mounted inside the cavities, a positioning insertion rod is fixedly connected to the bottom of the vertical moving mechanism, a rocker is fixedly connected to the input end of the vertical moving mechanism, and the rocker is arranged at the position of the side wall of the portal frame.

Further, the movable base comprises a bottom plate and trundles, the bottom plate is fixedly connected with the bottom of the portal frame, the trundles are installed at the bottom of the bottom plate, and the supporting and reinforcing strips are fixedly connected between the top of the bottom plate and the portal frame.

Further, lateral shifting mechanism includes slider, recess, gyro wheel, installation axle and driving motor, slider and direction slide rail sliding connection, the front of slider with the equal fixed mounting in the back of slider has driving motor, driving motor's output shaft fixedly connected with installation axle, the epaxial fixed cup of installation has connect the gyro wheel, two recesses have been seted up to the slider, the installation rotates the inside of installing at the recess, the gyro wheel contacts with the direction slide rail, the bottom of slider and electric block's shell top fixed connection.

Further, the vertical moving mechanism comprises a first rotating shaft, a second rotating shaft, conical gears, square rods, threaded holes and a movable plate, the second rotating shaft is rotatably connected with the side wall of the cavity, the first rotating shaft is rotatably connected with the top wall of the cavity, the conical gears are fixedly sleeved on the first rotating shaft and the second rotating shaft, the number of the conical gears is two, the two conical gears are meshed and connected, one end of the second rotating shaft is fixedly connected with one end of a rocker, the bottom end of the first rotating shaft is fixedly connected with the top end of the square rods, the threaded holes are formed in the middle of the bottom plate, the threaded rods are in threaded connection with the threaded holes, the bottom end of each threaded rod is rotatably connected with the middle of the movable plate, the bottom of the movable plate is fixedly connected with the positioning insertion rods, the positioning insertion rods are vertically arranged, and the square holes are formed in the axle centers of the threaded rods, the square hole is connected with the square rod in a clearance fit mode.

Further, the top fixedly connected with guide bar of fly leaf, the guide bar is connected with the guiding hole clearance fit who sets up in the portal bottom, the vertical setting of guide bar.

The utility model has the advantages that: the utility model provides a elevating gear is used in tie rod arch bridge construction with locate function.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a lateral moving mechanism according to an embodiment of the present invention;

fig. 3 is a schematic diagram of an internal structure of a cavity according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a square rod and a threaded rod according to an embodiment of the present invention.

In the figure: 1. the device comprises a bottom plate, 2, casters, 3, a portal, 4, a supporting and reinforcing strip, 5, a guide sliding rail, 6, a transverse moving mechanism, 601, a sliding block, 602, a groove, 603, a roller, 604, an installation shaft, 605, a driving motor, 7, an electric block, 8, a rocker, 9, a positioning inserted bar, 10, a cavity, 11, a first rotating shaft, 12, a second rotating shaft, 13, a bevel gear, 14, a square bar, 15, a threaded rod, 1501, a square hole, 16, a threaded hole, 17, a movable plate, 18, a guide bar, 19 and a guide hole.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1 to 4, the lifting device for tie-rod arch bridge construction comprises a portal frame 3 and a guide slide rail 5 fixedly installed at the top of the portal frame 3, wherein the guide slide rail 5 is transversely arranged, a transverse moving mechanism 6 is installed on the guide slide rail 5, and an electric hoist 7 is fixedly installed at the bottom of the transverse moving mechanism 6;

the automatic gantry crane is characterized in that moving bases are fixedly mounted on two sides of the bottom of the gantry 3, cavities 10 are formed in two sides of the gantry 3, a vertical moving mechanism is mounted inside the cavities 10, a positioning insertion rod 9 is fixedly connected to the bottom of the vertical moving mechanism, a rocker 8 is fixedly connected to the input end of the vertical moving mechanism, and the rocker 8 is arranged on the side wall of the gantry 3.

The movable base comprises a bottom plate 1 and trundles 2, the bottom plate 1 is fixedly connected with the bottom of a portal frame 3, a plurality of trundles 2 are mounted at the bottom of the bottom plate 1, and supporting reinforcing strips 4 are fixedly connected between the top of the bottom plate 1 and the portal frame 3 and can move on the ground; the transverse moving mechanism 6 comprises a sliding block 601, grooves 602, rollers 603, a mounting shaft 604 and a driving motor 605, the sliding block 601 is connected with a guide slide rail 5 in a sliding manner, the driving motor 605 is fixedly mounted on the front surface of the sliding block 601 and the back surface of the sliding block 601, the mounting shaft 604 is fixedly connected with the output shaft end of the driving motor 605, the rollers 603 are fixedly sleeved on the mounting shaft 604, the sliding block 601 is provided with two grooves 602, the mounting shaft 604 is rotatably mounted in the grooves 602, the rollers 603 are in contact with the guide slide rail 5, the bottom of the sliding block 601 is fixedly connected with the top of the shell of the electric hoist 7 and can move transversely, and the mounting shaft 604 is driven to rotate by the driving motor 605, so that the rollers 603 roll on the guide slide rail 5, walking is realized, transverse movement is performed, and the use effect is improved; the vertical moving mechanism comprises a first rotating shaft 11, a second rotating shaft 12, a conical gear 13, a square bar 14, a threaded rod 15, a threaded hole 16 and a movable plate 17, the second rotating shaft 12 is rotatably connected with the side wall of the cavity 10, the first rotating shaft 11 is rotatably connected with the top wall of the cavity 10, the conical gear 13 is fixedly sleeved on the first rotating shaft 11 and the second rotating shaft 12, the number of the conical gears 13 is two, the two conical gears 13 are meshed and connected, one end of the second rotating shaft 12 is fixedly connected with one end of a rocker 8, the bottom end of the first rotating shaft 11 is fixedly connected with the top end of the square bar 14, the threaded hole 16 is arranged in the middle of the bottom plate 1, the threaded rod 15 is in threaded connection with the threaded hole 16, the bottom end of the threaded rod 15 is rotatably connected with the middle of the movable plate 17, the bottom of the movable plate 17 is fixedly connected with the positioning insertion rod 9, the positioning insertion rod 9 is vertically arranged, a square hole 1501 is formed in the axis of the threaded rod 15, the square hole 1501 is in clearance fit connection with the square rod 14 and can move vertically upwards, and the positioning insertion rod 9 can move upwards or downwards; the top of the movable plate 17 is fixedly connected with a guide rod 18, the guide rod 18 is in clearance fit connection with a guide hole 19 formed in the bottom of the door frame 3, and the guide rod 18 is vertically arranged to realize a guiding function.

The using method comprises the following steps: when the whole lifting device is used, a power supply and a control switch are externally connected, the whole lifting device moves on the ground through the caster 2, the whole lifting device moves to a specified position and is positioned, the rocker 8 is shaken to enable the second rotating shaft 12 to rotate, the two bevel gears 13 are meshed and driven to realize the rotation of the first rotating shaft 11, the square rod 14 drives the threaded rod 15 to rotate, the threaded rod 15 rotates relative to the threaded hole 16 to vertically move, the movable plate 17 is pushed to descend, when the movable plate 17 moves, the guide rod 18 and the guide hole 19 guide the movable plate 17 to realize vertical movement, the positioning insertion rod 9 is inserted into soil to be positioned, the square rod 14 is in clearance fit connection with the square hole 1501, the square rod 14 cannot influence the movement of the threaded rod 15, and when the positioning is not carried out, the rocker 8 is reversely rotated;

when the hoist and mount of carrying out the material goes up and down, carry out the hoist and mount of material through electric block 7, go up and down through electric block 7, can carry out horizontal ascending removal simultaneously, drive installation axle 604 through driving motor 605 and rotate for gyro wheel 603 rolls on guide slide rail 5, realizes the walking, carries out horizontal ascending removal, has improved the effect of using.

The utility model discloses an useful part lies in:

whole elevating gear is used for the lift hoist and mount of material and instrument when tie rod arch bridge construction, a transport for article, compare with the conventional art, its both sides have vertical moving mechanism, can advance line location inserted bar 9's drive through vertical moving mechanism, insert in the earth, better locate function has, improve and remove the base after removing, advance line location, the stability is improved, its lift is realized through electric block 7 simultaneously, guide slide rail 5 and transverse movement mechanism 6 have simultaneously, can realize horizontal ascending removal, be convenient for carry out horizontal ascending removal, the effect of using has been improved.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a lifter is used in construction of tie rod arch bridge which characterized in that: the automatic lifting device comprises a gantry (3) and a guide slide rail (5) fixedly installed at the top of the gantry (3), wherein the guide slide rail (5) is transversely arranged, a transverse moving mechanism (6) is installed on the guide slide rail (5), and an electric hoist (7) is fixedly installed at the bottom of the transverse moving mechanism (6);

the automatic gantry crane is characterized in that a movable base is fixedly mounted on two sides of the bottom of the gantry (3), a cavity (10) is formed in each of two sides of the gantry (3), a vertical moving mechanism is mounted inside the cavity (10), a positioning insertion rod (9) is fixedly connected to the bottom of the vertical moving mechanism, a rocker (8) is fixedly connected to the input end of the vertical moving mechanism, and the rocker (8) is arranged at the position of the side wall of the gantry (3).

2. The lifting device for tied arch bridge construction according to claim 1, wherein: the movable base comprises a bottom plate (1) and trundles (2), the bottom of the bottom plate (1) is fixedly connected with the portal frame (3), the bottom of the bottom plate (1) is provided with a plurality of trundles (2), and a reinforcing strip (4) is fixedly connected between the top of the bottom plate (1) and the portal frame (3).

3. The lifting device for tied arch bridge construction according to claim 1, wherein: the transverse moving mechanism (6) comprises a sliding block (601), a groove (602), a roller (603), an installation shaft (604) and a driving motor (605), the sliding block (601) is connected with a guide sliding rail (5) in a sliding manner, the front face of the sliding block (601) and the back face of the sliding block (601) are fixedly provided with the driving motor (605), the output shaft end of the driving motor (605) is fixedly connected with the installation shaft (604), the roller (603) is fixedly sleeved on the installation shaft (604), the sliding block (601) is provided with the two grooves (602), the installation shaft (604) is rotatably installed in the groove (602), the roller (603) is in contact with the guide sliding rail (5), and the bottom of the sliding block (601) is fixedly connected with the top of a shell of the electric hoist (7).

4. The lifting device for tied arch bridge construction according to claim 1, wherein: the vertical moving mechanism comprises a first rotating shaft (11), a second rotating shaft (12), conical gears (13), a square rod (14), a threaded rod (15), a threaded hole (16) and a movable plate (17), the second rotating shaft (12) is rotatably connected with the side wall of the cavity (10), the first rotating shaft (11) is rotatably connected with the top wall of the cavity (10), the conical gears (13) are fixedly sleeved on the first rotating shaft (11) and the second rotating shaft (12), the number of the conical gears (13) is two, the conical gears (13) are meshed and connected, one end of the second rotating shaft (12) is fixedly connected with one end of a rocker (8), the bottom end of the first rotating shaft (11) is fixedly connected with the top end of the square rod (14), the threaded hole (16) is arranged in the middle of the bottom plate (1), the threaded rod (15) is in threaded connection with the threaded hole (16), the bottom of threaded rod (15) is rotated with the middle part of fly leaf (17) and is connected, the bottom and location inserted bar (9) fixed connection of fly leaf (17), and the vertical setting of location inserted bar (9), square hole (1501) have been seted up in the axle center department of threaded rod (15), square hole (1501) are connected with square bar (14) clearance fit.

5. The lifting device for tied arch bridge construction according to claim 4, wherein: the top fixedly connected with guide bar (18) of fly leaf (17), guide bar (18) and the guiding hole (19) clearance fit connection of seting up in portal (3) bottom, guide bar (18) vertical setting.