CN218174512U

CN218174512U - Feed-through jack convenient to show tensile length

Info

Publication number: CN218174512U
Application number: CN202222135002.4U
Authority: CN
Inventors: 张明明; 蔡燕祥; 王雪忠
Original assignee: Jiaxing Datong Machinery Co ltd
Current assignee: Jiaxing Datong Machinery Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-12-30
Anticipated expiration: 2032-08-15

Abstract

The utility model relates to a punching jack technical field specifically discloses a punching jack convenient to show tensile length, including the jack main part, and the both ends of jack main part are stretch-draw end and roof pressure end respectively, and the both sides of outer anchor ring of jack main part all are fixed with the mounting panel, and a plurality of draw-in grooves have all been seted up to the both sides of mounting panel and have been equipped with the sign board in the draw-in groove interpolation. The utility model discloses well identification plate is synchronous under the effect of stretch-draw end or roof pressure end and is removed, identification plate is when removing promptly, and then the scale mark that personnel's accessible mounting panel outside surface set up judges the displacement of identification plate, this scheme is in the use from this, the cooperation of personnel's accessible identification plate and scale mark, actual tensile length to steel strand wires measures to personnel's unable defect of carrying out accurate judgement to its reach out distance in having solved traditional scheme.

Description

Punching jack convenient for showing stretching length

Technical Field

The utility model relates to a punching jack technical field especially relates to a punching jack convenient to show tensile length.

Background

The feed-through jack is one kind of jack and is mainly used for integral tensioning of group anchors. The jack is simple to operate and reliable in performance, and steel strands are saved to the maximum extent. The jack is mainly matched with products such as a prestressed anchorage device, a tensioning device and the like to be applied to engineering construction such as bridges and the like.

When the feed-through jack is used, the head end and the tail end of the feed-through jack respectively perform stretching work and jacking work on the steel strand, namely the head end of the jack stretches the steel strand, and after the head end of the jack stretches, the tail end of the jack moves towards the outside of the jack, so that the steel strand outside the jack is extruded.

However, when the above-mentioned feed-through jack is used, since the outer ring surfaces of the head and the tail ends of the jack are not provided with the stretching length display components, that is, when the head and the tail ends of the jack extend outwards, a person cannot accurately judge the extending distance of the jack, so that when the actual extending value is compared with the theoretical extending value, the person is required to manually measure the extending length of the jack; therefore, in order to solve the above technical problems, we propose a center-through jack which is convenient for showing the stretching length.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a feed-through jack convenient for showing the stretching length.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a punching jack convenient to show tensile length, includes the jack main part, and the both ends of jack main part are stretch-draw end and roof pressure end respectively, the both sides of the outer anchor ring of jack main part all are fixed with the mounting panel, and a plurality of draw-in grooves have all been seted up to the both sides of mounting panel and have been equipped with the marking plate in the draw-in groove interpolation, and the outside surface of mounting panel corresponds the marking plate and has seted up matched with scale mark, and the one end that the marking plate was kept away from each other all extends to the outside of mounting panel and is connected with adjacent stretch-draw end and roof pressure end, and the lower surface of mounting panel is equipped with a plurality of bracing pieces that can adjust.

Preferably, a stabilizer bar is arranged below the support bar, a rotating cylinder is meshed between the support bar and the stabilizer bar, and the rotating directions of the threads between the support bar and the stabilizer bar are opposite.

Preferably, the lower extreme of stabilizer bar is bulb form, and the stabilizer bar is equipped with through the bulb end card of lower extreme and places the seat.

Preferably, the lower ends of the plurality of placing seats are jointly fixed with a bottom plate, and a plurality of limiting holes are formed in a plate body of the bottom plate.

Preferably, the holding tank has been seted up to the lower extreme on mounting panel outside surface, and transparent and U-shaped survey flat tube is installed through the holding tank to the mounting panel, and the inside packing of surveying flat tube has the coloured liquid, and the outside surface at survey flat tube both ends is equipped with the scale interval.

Preferably, the marking plate is provided with a smearing groove at one end extending to the inside of the clamping groove, and different colors are painted in the smearing groove at the end part of the marking plate.

Preferably, one side of the identification plate facing the clamping groove is fixed with a limiting strip, a matched limiting groove is formed in the mounting plate corresponding to the limiting strip, and the limiting strip is slidably mounted in the limiting groove.

The utility model provides a pair of punching jack convenient to show tensile length, beneficial effect lies in:

1: the utility model discloses well identification plate is synchronous removal under the effect of stretch-draw end or roof pressure end, identification plate is when removing promptly, and then the scale mark that personnel's accessible mounting panel outside surface set up judges the displacement of identification plate, this scheme is in the use from this, the cooperation of personnel's accessible identification plate and scale mark, actual tensile length to steel strand wires measures, thereby solved in the traditional scheme personnel can't carry out accurate judgement to its protrusion distance, lead to personnel when carrying out actual extension value and theoretical extension value contrast, need manual to carry out measuring defect to its protrusion length.

2: in the utility model, a person rotates the rotating cylinder on the lower side of the mounting plate to drive the stabilizer bars to move downwards, so that the jack main body is placed on the ground through the plurality of stabilizer bars, and the person can continue to rotate the rotating cylinder according to the specific scene of a use site, namely the person can adjust the mounting height of the jack main body, and therefore the jack main body can be correspondingly adjusted according to the placing height of the steel strand when in use; and because mutual separation between individual stabilizer bar for when the installation ground unevenness, personnel can remove single stabilizer bar, thereby under the effect of each stabilizer bar, adaptable different installation ground makes this scheme have better adaptability when using from this.

Drawings

Fig. 1 is an isometric view of a feed-through jack convenient for displaying a stretching length according to the present invention;

fig. 2 is an enlarged schematic view of a position a of the through jack convenient for displaying the stretching length of the present invention;

fig. 3 is a schematic structural view of a feedthrough jack convenient for displaying the stretching length of the present invention;

fig. 4 is an enlarged schematic view of a position B of the through jack convenient for displaying the stretching length.

In the figure: 1. a jack main body; 2. stretching the end; 3. pressing the end; 4. mounting a plate; 5. a marking plate; 6. a support bar; 7. a stabilizer bar; 8. a rotating cylinder; 9. a placing seat; 10. a base plate; 11. leveling the tube; 12. a limiting strip; 13. and (4) coating a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a punching jack convenient for showing stretching length comprises a jack main body 1, wherein two ends of the jack main body 1 are respectively a stretching end 2 and a jacking end 3, mounting plates 4 are mounted on two sides of the outer annular surface of the jack main body 1, a plurality of clamping grooves are formed in two sides of each mounting plate 4, identification plates 5 are inserted in the clamping grooves, scale marks matched with the identification plates 5 are arranged on the outer side surfaces of the mounting plates 4, one ends, far away from each other, of the identification plates 5 extend to the outer portion of the mounting plates 4 and are connected with the adjacent stretching end 2 and the jacking end 3, and a plurality of supporting rods 6 capable of being adjusted are arranged on the lower surface of each mounting plate 4.

As a technical optimization scheme of the utility model, a stabilizer bar 7 is arranged below the support bar 6, the screw thread rotating directions between the support bar 6 and the stabilizer bar 7 are opposite, and a rotating cylinder 8 is meshed between the support bar 6 and the stabilizer bar 7; the stabilizer 7 and the rotary cylinder 8 are provided to adjust the installation height of the jack main body 1.

As a technical optimization scheme of the utility model, the lower end of the stabilizer bar 7 is in a ball head shape, and the lower end of the stabilizer bar 7 is provided with a placing seat 9 matched with the ball head end; the arrangement of the placing seat 9 can make the contact area of the jack main body 1 on the ground larger when the jack main body is placed on the ground, so that the jack main body 1 is more stable when placed.

As a technical optimization scheme of the utility model, the lower ends of a plurality of placing seats 9 are commonly provided with a bottom plate 10, and a plurality of limiting holes are arranged on the plate body of the bottom plate 10; the arrangement of the bottom plate 10 can further improve the stability of the jack main body 1 when placed, and avoid the phenomenon that the jack main body 1 sinks when placed on a non-hardened ground.

As a technical optimization scheme of the utility model, the lower end of the outer side surface of the mounting plate 4 is provided with a holding tank, the mounting plate 4 is fixed with a matched leveling tube 11 through the holding tank, the leveling tube 11 is U-shaped and transparent, the interior of the leveling tube 11 is filled with colored liquid, and the outer side surfaces of the two ends of the leveling tube 11 are provided with scale values; the leveling pipe 11 is arranged to measure the jack body 1 horizontally in the process of placing the jack body.

As a technical optimization scheme of the utility model, a painting groove 13 is arranged at one end of the marking plate 5 positioned in the clamping groove, and different colors are painted in the painting grooves at the end part of the marking plate 5; due to the arrangement of the smearing groove 13, when the marking plate 5 is used, personnel can distinguish the marking plate more easily, and the moving distance of the marking plate 5 is judged more easily.

As a technical optimization scheme of the utility model, one side of the marking plate 5 facing the clamping groove is provided with a limiting strip 12, the mounting plate 4 is internally provided with a limiting groove matched with the limiting strip 12, and the limiting strip 12 is slidably arranged in the limiting groove; the arrangement of the limiting strips 12 can limit the identification plate 5, namely, the phenomenon that the identification plate 5 is accidentally separated from the clamping groove when moving is avoided.

The use principle and the advantages are as follows: the utility model discloses in the use, stretch-draw end 2 and roof pressure end 3 of jack main part 1 carry out the application of force to steel strand wires through external anchor equipment when using, stretch-draw end 2 and roof pressure end 3 all move to the one end of keeping away from jack main part 1 promptly, thereby carry out stretch-draw work and roof pressure work to steel strand wires, and at this in-process, because stretch-draw end 2 and roof pressure end 3's outer anchor ring all is connected with identification plate 5 tip, further when stretch-draw end 2 or roof pressure end 3 remove, its identification plate 5 is synchronous removal under stretch-draw end 2 or roof pressure end 3's effect, identification plate 5 is when removing promptly, the scale line that personnel's accessible mounting panel 4 outside surface set up judges identification plate 5's displacement, this scheme is in the use from this, personnel's accessible identification plate 5 and scale line's cooperation, measure steel strand wires's actual tensile length, thereby personnel can't stretch out the distance to it and carry out the accurate judgement in traditional scheme, lead to the actual extension value and theoretical extension value, the contrast defect that the length of carrying out manual extension value when carrying out its measurement.

Further, in the use process of the scheme, in order to avoid uneven tensioning among the steel strands caused by inclination of the steel strands after tensioning or during tensioning, the jack main body 1 and the steel strands need to be kept in a straight line state as much as possible, and then personnel can move the stabilizer bars 7 arranged on the lower surface of the mounting plate 4, namely the personnel rotate the rotating cylinder 8 to enable the stabilizer bars 7 to move downwards, so that the jack main body 1 is placed on the ground through the stabilizer bars 7, and the personnel can continue to rotate the rotating cylinder 8 according to specific situations of a use site, namely the personnel can adjust the installation height of the jack main body 1, and therefore the jack main body 1 can be correspondingly adjusted according to the placement height of the steel strands when in use; and because mutual separation between individual stabilizer bar 7 for when the installation ground unevenness, personnel can remove single stabilizer bar 7, thereby under the effect of each stabilizer bar 7, adaptable different installation ground makes this scheme have better adaptability when using from this.

Further in this scheme use, because survey the inside of planishing pipe 11 and be equipped with the coloured liquid, and the both ends of planishing pipe 11 are equipped with the scale interval, when making mounting panel 4 be in the level and placing, the liquid level of the inside coloured liquid in planishing pipe 11 both ends equals, constitute the level linker through coloured liquid and planishing pipe 11 promptly, when mounting panel 4 was in the non-horizontality promptly, the scale interval that the inside coloured liquid level in its planishing pipe 11 both ends corresponds is inconsistent, thereby personnel's accessible coloured liquid and the cooperation of surveying the planishing pipe 11 provide the level measurement effect to it when jack main part 1 installation, even make jack main part 1 be difficult for the slope when the installation.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a punching jack convenient to show tensile length, includes jack main part (1), and the both ends of jack main part (1) are stretch-draw end (2) and roof pressure end (3) respectively, its characterized in that, the both sides of the outer anchor ring of jack main part (1) all are fixed with mounting panel (4), and a plurality of draw-in grooves have all been seted up and have been equipped with identification plate (5) in the draw-in groove interpolation to the both sides of mounting panel (4), and the outside surface of mounting panel (4) corresponds identification plate (5) and has seted up matched with scale line, and the one end that identification plate (5) kept away from each other all extends to the outside of mounting panel (4) and is connected with adjacent stretch-draw end (2) and roof pressure end (3), and the lower surface of mounting panel (4) is equipped with a plurality of bracing pieces (6) that can adjust.

2. The jack convenient for showing the stretching length as claimed in claim 1, wherein a stabilizer bar (7) is arranged below the support rod (6), a rotating cylinder (8) is engaged between the support rod (6) and the stabilizer bar (7), and the thread directions of the support rod (6) and the stabilizer bar (7) are opposite.

3. The jack convenient for showing the stretching length as claimed in claim 2, wherein the lower end of the stabilizer bar (7) is ball-shaped, and the stabilizer bar (7) is clamped with a placing seat (9) through the ball-end of the lower end.

4. The center-through jack convenient for showing the stretching length as claimed in claim 3, wherein the lower ends of the placing seats (9) are jointly fixed with a bottom plate (10), and the plate body of the bottom plate (10) is provided with a plurality of limiting holes.

5. The penetrating type jack convenient for displaying the stretching length is characterized in that a containing groove is formed in the lower end of the outer side surface of the mounting plate (4), the mounting plate (4) is provided with a transparent and U-shaped leveling pipe (11) through the containing groove, the interior of the leveling pipe (11) is filled with colored liquid, and the outer side surfaces of the two ends of the leveling pipe (11) are provided with scale values.

6. The center-penetrating jack convenient for displaying the stretching length as claimed in claim 1, wherein the end of the identification plate (5) extending to the inside of the clamping groove is provided with a painting groove (13), and the identification plate (5) is painted with different colors in the painting groove (13) at the end.

7. The jack convenient for showing the stretching length as claimed in claim 1, wherein a limiting strip (12) is fixed on one side of the identification plate (5) facing the clamping groove, a matching limiting groove is arranged in the mounting plate (4) corresponding to the limiting strip (12), and the limiting strip (12) is slidably mounted in the limiting groove.