CN220766449U - Walking jack top cap device and walking jack - Google Patents

Abstract

The application discloses walking jack top cap device and walking jack, including first backup pad and second backup pad, first backup pad with the relative parallel arrangement of second backup pad, first backup pad is the holding surface, a plurality of web, web vertically and horizontally staggered sets up first backup pad with between the second backup pad, a plurality of limiting plates, the limiting plate sets up the second backup pad is kept away from one side of first backup pad, and a plurality of limiting plate forms accommodation space. According to the technical scheme that this application embodiment provided, through setting up relative first backup pad and second backup pad, support as the holding surface through first backup pad and have great holding surface, can effectively reduce contact surface peak stress when carrying out the jacking and support, avoided the jack structure to cause the destruction to the structure that the jacking was supported in-process.

Description

Walking jack top cap device and walking jack

Technical Field

The present utility model relates generally to the field of walking jacks, and more particularly to a walking jack top hat device and a walking jack.

Background

In the bridge engineering construction process, the construction of a steel box girder, namely a steel plate box girder, is required, is a common structural form of a large-span bridge, is generally used on a bridge with a large span, and is called as the steel box girder because of the appearance of a box. In the construction process, a jacking technology is generally adopted to operate the steel box girder.

The walking jack is widely used for pushing construction of the steel box girder due to the characteristics of convenience and controllability. In the construction process, if the steel box girder is directly lifted by adopting a jack, the peak stress generated by the contact surface often exceeds the yield strength of steel, and thus the structural stress is adversely affected.

Disclosure of Invention

In view of the foregoing drawbacks or shortcomings in the prior art, it is desirable to provide a walking jack top hat device and a walking jack.

In a first aspect, there is provided a walking jack cap device comprising:

the first support plate and the second support plate are oppositely arranged in parallel, the first support plate is a support surface,

the webs are arranged between the first supporting plate and the second supporting plate in a crisscross way,

the limiting plates are arranged on one side, away from the first supporting plate, of the second supporting plate, and the limiting plates form an accommodating space.

As a realizable way, the web comprises: a first web aligned along a first direction, a second web aligned along a second direction, the first direction intersecting the second direction.

As a realizable manner, the first direction is the length direction of the first support plate, the second direction is the width direction of the first support plate, and the first direction is perpendicular to the second direction.

As a practical way, the first support plate is provided with one web at each set distance.

As a practical way, the set distance is 100cm-150cm.

As an achievable mode, the limiting plate comprises a first supporting surface and a second supporting surface, the first supporting surface is a contact surface connected with the second supporting plate, and the length of the second supporting surface is smaller than that of the first supporting surface.

As an achievable mode, the number of the limiting plates is at least three.

As an achievable mode, the first support plate, the web, the second support plate and the web are all welded and connected with the limiting plate.

In a second aspect, a walking jack is provided, including a walking jack top cap device as described above.

As an achievable manner, the walking jack comprises a main shaft, the top cap device is mounted on the main shaft, and the main shaft is mounted in a containing space formed by a plurality of limiting plates.

According to the technical scheme that this application embodiment provided, through setting up relative first backup pad and second backup pad, support as the holding surface through first backup pad and have great holding surface, can effectively reduce contact surface peak stress when carrying out the jacking and support, avoided the jack structure to cause the destruction to the structure that the jacking was supported in-process.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:

fig. 1 is a schematic structural view of a walking jack top cap device in the present embodiment;

FIG. 2 is a schematic top view of the apparatus of FIG. 1;

FIG. 3 is a schematic diagram of the front view of the apparatus of FIG. 1;

fig. 4 is a schematic left-hand view of the apparatus of fig. 1.

Reference numerals:

a first support plate-10; a second support plate-20; web-30;

a first web-31; a second web-32; limit plate-40;

the accommodation space 41.

Detailed Description

The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1 to 4, the present embodiment provides a walking jack top cap device, which includes:

a first support plate 10 and a second support plate 20, the first support plate 10 and the second support plate 20 being arranged in parallel with each other, the first support plate 10 being a support surface,

a plurality of webs 30, wherein the webs 30 are arranged between the first support plate 10 and the second support plate 20 in a crisscross manner,

a plurality of limiting plates 40, wherein the limiting plates 40 are disposed at a side of the second support plate 20 away from the first support plate 10, and the plurality of limiting plates 40 form an accommodating space 41.

The walking jack top cap device that this embodiment provided has great supporting plane through setting up relative first backup pad 10 and second backup pad 20, supports as the holding surface through first backup pad 10, can effectively reduce contact surface peak stress when carrying out the jacking and support, has avoided the jack structure to cause the destruction to the structure that the jacking was supported in-process.

The top cap device is provided with the first supporting plate 10 and the second supporting plate 20 which are opposite, the two supporting plates are arranged in parallel, the two supporting plates are uniformly stressed in the jack-up process, and the construction to be supported also has relatively balanced supporting force and good jack-up supporting effect; in addition, the first support plate 10 and the second support plate 20 provided in this embodiment are both in regular shapes, for example, are rectangular structures as shown in fig. 1, and the top cap device can also be used in a manner of matching the shape of the steel box girder in the process of lifting the steel box girder, or can be set to other shapes according to circumstances.

The criss-cross webs 30 are arranged between the first support plate 10 and the second support plate 20 for fixing and supporting, and the formed webs 30 are arranged in different directions to support the first support plate 10 and the second support plate 20 from different angles, so that shearing force is resisted in the using process of the top cap device, bending moment in the pushing process is borne, and good performance of the top cap device is guaranteed.

The limiting plate 40 is further arranged on the second supporting plate 20, an accommodating space 41 is formed through the structure of the limiting plate 40 to accommodate the main shaft of the jack, and then the top cap device is driven to move, and the limiting plate 40 can form different accommodating spaces 41 according to the difference of the main shaft to adapt to jacks of different models.

Further, the web includes: a first web 31 arranged in a first direction, a second web 32 arranged in a second direction, the first direction intersecting the second direction.

In this embodiment, two webs in different directions, namely, a first web 31 and a second web 32, are disposed between the first support plate 10 and the second support plate 20, the first web 31 and the second web 32 support and connect the first support plate 10 and the second support plate 20 along different directions, the setting directions of the first web 31 and the second web 32 are intersected, and the angle between the first direction and the second direction can be selected according to practical situations. Or according to actual demand, set up the third web of third direction, this third direction all intersects with first direction and second direction, form crisscross form to first backup pad 10 and second backup pad 20 support fixedly, specific direction that sets up the web can be decided according to actual demand, for example according to the parameter such as the support force of corresponding backup pad size or needing to carry out the jacking confirms, guarantees that this top cap device will the stress value of jacking in-process disperse and not exert an influence to this device to reuse.

Further, the first direction is the length direction of the first support plate 10, the second direction is the width direction of the first support plate 10, and the first direction is perpendicular to the second direction.

Referring to fig. 2, 3 and 4, the present embodiment preferably provides webs in two directions, the first web 31 is aligned in the first direction, the second web 32 is aligned in the second direction and is provided in a perpendicular form, and the arrangement is formed so that the web structure can exert the supporting function to the greatest extent and is simpler in structure. The first direction is set as the width direction of the first support plate 10, and the second direction is set as the length direction of the first support plate 10.

Further, the first support plate 10 is provided with one of the webs at a predetermined distance.

In this embodiment, the web structures disposed between the first support plate 10 and the second support plate 20 need to ensure a certain density to achieve the supporting and bending effects, so that corresponding web structures need to be disposed within a certain interval range, and excessive waste is not generated while the effects are ensured.

Further, the set distance is 100cm-150cm.

In this embodiment, a web is set on the first support plate 10 (or the second support plate 20) within a range of 100cm-150cm, and the densities of the different settings according to the structure of the first support plate 10 are not completely the same, for example, if the first support plate 10 is in a square structure, the setting densities of the first web 31 and the second web 32 may be set to be the same, corresponding webs are set within the interval, or for example, the first support plate 10 is in a rectangular structure, the setting densities of the first web 31 and the second web 32 may be set to be different, for example, the structure in fig. 2 is taken as an example, the size of the first support plate 10 is 460cm, the first web 31 is arranged along the first direction, that is, the width direction of the first support plate 10 is set to be the first web 31 every 100cm, the distance d1 between the first web 31 is 100cm, the thickness of the first web 31 is 20cm, the second web 32 is arranged along the second direction, that is the length direction of the first support plate 10, the distance d2 between the second webs 32 on two sides is the second web 32 is the length direction, the second web 32 is the middle, the distance between the two webs 32 is not longer than the second web 32 is the middle, and the distance between the two edges of the second web 32 is not longer than the middle 1 cm, and the two edges of the second web 32 are set to be more than the middle 3 cm, and the distance between the two edges of the two edges are not longer than the edges of the two edges of the web 32 are set. The thickness and the arrangement density of the first web 31 and the second web 32 can be selected according to different scenes and different dimensions, and the height of the web 30 is set to 160cm.

Further, the limiting plate 40 includes a first supporting surface and a second supporting surface, the first supporting surface is a contact surface connected with the second supporting plate 20, and the second supporting surface is shorter than the first supporting surface.

In this embodiment, the space for accommodating the main shaft of the jack is formed by a plurality of limiting plates 40, and the limiting plates 40 are preferably arranged perpendicular to the second supporting plate 20, and include a first supporting surface contacting with the second supporting plate 20 and a second supporting surface far away from the second supporting plate 20, wherein the length of the second supporting surface is smaller than that of the first supporting surface, so that the connection between the limiting plates 40 and the second supporting plate 20 is tighter. The limiting plate 40 can be configured as shown in fig. 3, so as to form a trapezoid-like structure, and the position of the second supporting surface is removed by a certain structure, so that the weight of the whole top cap device can be reduced to a certain extent, and the whole performance is not influenced, and meanwhile, the material is saved. According to the above support plate structure with dimensions 460cm x 800cm, the thickness of the limiting plate 40 is preferably set to 20cm, the length of the first support surface is 150cm, the length of the second support surface is 75cm, and the heights of the two sides are 200cm and 100cm respectively.

Further, the number of the limiting plates 40 is at least three.

The limiting plates 40 in this embodiment are mainly used to form a space for accommodating the main shaft of the jack, at least three limiting plates 40 are provided to realize the setting of the corresponding accommodating space 41, four limiting plates 40 are preferably provided in this embodiment, the number of actual limiting plates 40 can be determined according to the requirement, and if the main shaft is smaller, more limiting plates 40 can be used to set the accommodating space 41, so that the main shaft cannot be displaced. Wherein, each limiting plate 40 is perpendicular to the second supporting plate 20, each limiting plate 40 forms a certain angle with the plane of the first web 31 or the second web 32, the preferred setting is that the included angle a between each limiting plate 40 and the first web 31 is 45 degrees, the four limiting plates 40 all form the range of 45 degrees, the directions of the four limiting plates 40 are different, and the extending points are intersected, a cylindrical accommodating space 41 is formed by the four limiting plates 40, and the four limiting plates 40 are respectively located on the circular circumference to form the form as shown in fig. 2.

Further, the first support plate 10, the web, the second support plate 20 and the web, and the second support plate 20 and the limiting plate 40 are all welded together.

All welded mode is adopted in this embodiment, and the equal welded connection of connection between each part forms the top cap device more firm, is difficult for appearing the fracture or receive the condition of destruction in the jacking process. Since the connection between the plates of the top cap device in this embodiment is generally a vertical joint, it is preferable to use an 8mm fillet weld, and the angle of the weld or joint formed in the welding process is 8mm, so that the connection effect between the respective parts is better.

The top cap device provided by the embodiment is easy to obtain in preparation materials, simple to process, and more applicable to the combined beam with the thin-wall structure and small in local rigidity, and stress peaks generated in the pushing process of the common steel box beam are reduced by adopting a simple device.

The embodiment also provides a walking jack, which comprises the walking jack top cap device.

According to the embodiment, the top cap device is arranged on the walking jack and used as a supporting structure of the jack, when the combined beam structure with the thin-wall structure with smaller local rigidity, such as a steel box beam, is used for jacking and supporting, the contact area of the jack and the steel box beam is larger, the condition that the stress of the contact surface is larger can not occur, and the damage to the steel box beam caused by the jack in the jacking process is avoided.

Further, the walking jack includes a main shaft, the top cap device is mounted on the main shaft, and the main shaft is mounted in a receiving space 41 formed by a plurality of limiting plates 40.

The walking jack comprises a movable main shaft, the lifting of the jack to the steel box girder is realized by the movement of the main shaft, the top cap device is installed on the main shaft, the main shaft is installed in a containing cavity between limiting plates 40 and is clamped in the containing cavity, the movement of the main shaft is limited by the limiting plates 40, the walking jack is ensured to drive the top cap device to move, the top cap device is not easy to shift, and a good supporting and lifting effect is achieved.

It is to be understood that the above references to the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are for convenience in describing the present utility model and simplifying the description only, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be oriented 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.

The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the utility model. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.

Claims (10)

1. A walking jack top hat device, comprising:

the first support plate and the second support plate are oppositely arranged in parallel, the first support plate is a support surface,

the webs are arranged between the first supporting plate and the second supporting plate in a crisscross way,

the limiting plates are arranged on one side, away from the first supporting plate, of the second supporting plate, and the limiting plates form an accommodating space.

2. The walking jack cap device of claim 1, wherein said web comprises: a first web aligned along a first direction, a second web aligned along a second direction, the first direction intersecting the second direction.

3. The walking jack cap device of claim 2, wherein the first direction is the first support plate length direction, the second direction is the first support plate width direction, and the first direction is perpendicular to the second direction.

4. A walking jack top hat device according to claim 3, wherein the first support plate is provided with one of the webs at a set distance apart.

5. The walking jack cap device of claim 4, wherein said set distance is 100cm-150cm.

6. The walking jack cap device of claim 1, wherein the limiting plate includes a first support surface and a second support surface, the first support surface being a contact surface connected to the second support plate, the second support surface having a length less than the first support surface length.

7. The walking jack cap device of claim 6, wherein the number of limiting plates is at least three.

8. The walking jack cap device of claim 1, wherein the first support plate and the web, the second support plate and the web, and the second support plate and the limiting plate are all welded.

9. A walking jack comprising a walking jack top cap arrangement as claimed in any one of claims 1 to 8.

10. The walking jack of claim 9, wherein the walking jack comprises a main shaft, the top cap device is mounted on the main shaft, and the main shaft is mounted in a receiving space formed by a plurality of limiting plates.