CN212774314U - Duct piece bracket for shield construction - Google Patents

Abstract

The utility model provides a duct piece bracket for shield construction, which comprises two bases and a telescopic mechanism between the two bases, wherein the bases are provided with supporting plates, the top surfaces of the two supporting plates are outward-expanding inclined planes, the bottom of the base is fixedly provided with a supporting component, and the bottom of the base is provided with a plurality of jack supporting grooves; the telescopic mechanism comprises two guide sleeves and two first guide pillars, the two first guide pillars are inserted into the two guide sleeves in a sliding mode respectively, and the top of the telescopic mechanism is provided with a limiting fastening assembly. The distance between the two bases can be adjusted through the telescopic structure, so that the bracket can be suitable for supporting duct pieces of various models; the strength of the telescopic structure is enhanced through the telescopic piece and the reinforcing rib, and the bracket is prevented from being damaged in a bearing state; the bracket is lifted by the hydraulic jack when the duct piece is placed, so that the stability of placing the duct piece can be ensured, and the damage of the heavy universal wheel due to sudden pressure increase when the duct piece is placed can be avoided.

Description

Duct piece bracket for shield construction

Technical Field

The utility model belongs to the technical field of the section of jurisdiction bracket, especially, relate to a shield constructs construction and uses section of jurisdiction bracket.

Background

The shield method is a preferred construction method for subway tunnel construction, and has the remarkable advantages of strong adaptability to geological conditions, high construction speed, less interference to surrounding environment and the like. In the shield construction process, duct pieces need to be continuously paved in the excavated pipeline, so that the transportation and storage of the duct pieces are one aspect which is not negligible in shield construction. The current section of jurisdiction generally adopts the sleeper to support, easy damage, and the turnover rate of utilization is low, and section of jurisdiction and ground contact, easy damage, in addition, the section of jurisdiction is stacked unordered, and occupation space is big, and has the inconvenient problem of transportation.

The original duct piece bracket supports duct pieces together by arranging a first supporting part and a second supporting part, and an opening matched with a forklift is arranged on a connecting piece for connecting the first supporting part and the second supporting part, so that the duct pieces are convenient to store and transfer, and secondary mechanical transfer in a field is facilitated; compared with the traditional sleeper type structure, the duct piece is not in direct contact with the ground, is not easy to damage and is convenient for unified planning and management of a field; the duct piece bracket is long in service life and multiple in turnover times, construction cost is reduced, and construction quality is guaranteed.

But above-mentioned technical scheme because the length of bracket can't be adjusted, consequently still has the problem that can't lift the support to the section of jurisdiction of different specifications.

Disclosure of Invention

In view of this, the utility model aims at overcoming the defect that exists among the above-mentioned prior art, provides a shield constructs construction and uses section of jurisdiction bracket, aims at solving the unable problem of lifting the support to the section of jurisdiction of different specifications among the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a duct piece bracket for shield construction comprises two bases and a telescopic mechanism between the two bases, wherein two ends of the telescopic mechanism are fixedly connected with the bases, the bases are provided with supporting plates, the top surfaces of the two supporting plates are outward-expanding inclined surfaces, the bottom of each base is fixedly provided with a supporting assembly, and the bottom of each base is provided with a plurality of jack supporting grooves;

the telescopic mechanism comprises two guide sleeves and two first guide pillars, the two first guide pillars are respectively inserted into the two guide sleeves in a sliding mode, the two ends, away from each other, of the guide sleeves and the first guide pillars are fixedly connected with the base, and the top of the telescopic mechanism is provided with a limiting fastening assembly.

Furthermore, the limiting fastening assembly comprises a limiting column which is fixedly arranged at the top of the first guide column, waist-shaped through holes are formed in the top walls of the two guide sleeves, and the limiting column is inserted into the waist-shaped through holes;

the upper end cover of spacing post is equipped with the mounting plate, the both sides of mounting plate are equipped with a plurality of through-holes, the waist shape through-hole both sides of guide pin bushing are equipped with a plurality of screw holes, the quantity of screw hole is unnecessary the quantity of through-hole, the through-hole is relative with the position of screw hole, the through-hole and the screw hole internal rotation have fastening bolt.

Furthermore, a plurality of expansion pieces for reinforcement are arranged between the two bases, each expansion piece comprises a second guide pillar and a bushing, the second guide pillars are inserted into the bushings in a sliding mode, and two ends, away from each other, of the bushings and the second guide pillars are fixedly connected with the bases.

Furthermore, reinforcing ribs are fixedly arranged at the lower parts of the bushing and the guide sleeve and are perpendicular to the bushing and the guide sleeve.

Further, two all set firmly on the lateral wall of base and draw the ear.

Furthermore, the supporting component comprises a plurality of heavy universal wheels, and the heavy universal wheels are symmetrically and fixedly arranged at the bottoms of the two bases.

Furthermore, a cushion pad is arranged on the inclined top surface of the supporting plate.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this shield constructs construction and uses section of jurisdiction bracket can adjust the distance between two bases through extending structure for this bracket can be applicable to the section of jurisdiction of multiple model and support.

(2) This shield constructs construction and uses section of jurisdiction bracket through extensible member and stiffening rib reinforcing extending structure's intensity, avoids the bracket impaired under the bearing state.

(3) This shield constructs construction and uses section of jurisdiction bracket lifts the bracket through hydraulic jack when the section of jurisdiction is placed, can guarantee the stability that the section of jurisdiction was placed, avoids heavy universal wheel impaired because of the sudden increase of pressure when placing the section of jurisdiction simultaneously.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic top view of a segment support for shield construction according to the present invention;

fig. 2 is a schematic view of a duct piece bracket for shield construction in a bottom view;

fig. 3 is a structural schematic diagram of a duct piece bracket overlooking structure for shield construction.

Description of reference numerals:

1-a base; 2, pulling a lug; 3-a supporting plate; 4-a buffer pad; 5, guiding a sleeve; 6-a first guide post; 7-a second guide post; 8-a bushing; 9-reinforcing ribs; 10-heavy duty universal wheel; 11-jack support grooves; 12-a fastening bolt; 13-a fastening plate; 14-waist-shaped through holes; 15-a limiting column; 16-threaded hole.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being 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. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The invention will be described in detail with reference to the following examples with reference to the accompanying drawings:

as shown in fig. 1 to 3, a segment bracket for shield construction comprises two bases 1 and a telescopic mechanism between the two bases 1, wherein the bases 1 are rectangular blocks, supporting plates 3 are arranged on the bases 1, the top surfaces of the two supporting plates 3 are both outward-expanding inclined surfaces, and buffering pads 4 are arranged on the inclined surfaces and used for buffering and protecting the brackets;

the bottom parts of the two bases 1 are fixedly provided with a supporting assembly, the supporting assembly comprises four heavy universal wheels 10, the four heavy universal wheels 10 are symmetrically and fixedly arranged at the bottom parts of the two bases 1 and used for moving a bracket, the heavy universal wheels 10 can ensure the flexibility of movement, and pull lugs 2 are welded on the outer side walls of the two bases 1 and used for pulling the bracket;

in order to ensure the stability of the duct piece during placement, the bottom of the base 1 is provided with four jack support grooves 11, and the four jack support grooves 11 are symmetrically distributed at the bottoms of the two bases 1 and used for positioning the top support positions of the jacks, so that the bracket is lifted by a hydraulic jack when the duct piece is placed;

the two bases 1 are fixedly connected through a telescopic structure, the telescopic mechanism comprises two guide sleeves 5 and two first guide pillars 6, the two first guide pillars 6 are respectively inserted in the two guide sleeves 5 in a sliding mode, the sizes of the guide sleeves 5 and the first guide pillars 6 are matched, the total length of the telescopic mechanism can be changed by sliding the first guide pillars 6, two separated ends of the guide sleeves 5 and the first guide pillars 6 are fixedly connected with the bases 1, and the top of the telescopic mechanism is provided with a limiting fastening assembly for fixing the positions of the first guide pillars 6 so as to limit the telescopic distance of the telescopic mechanism;

the limiting fastening assembly comprises a limiting column 15, the limiting column 15 is fixedly arranged at the top of the first guide pillar 6, waist-shaped through holes are formed in the top walls of the two guide sleeves 5, the limiting column 15 is inserted into the waist-shaped through holes and matched with the waist-shaped through holes in size, a fastening plate 13 is sleeved at the upper end of the limiting column 15, through holes are formed in two sides of the fastening plate 13, a plurality of threaded holes 16 are formed in two sides of the waist-shaped through hole of the guide sleeve 5, the through holes are opposite to the threaded holes 16, when the first guide pillar 6 is moved, the positions of the limiting column 15 and the fastening plate 13 move along with the through holes, so that the corresponding relation between the through holes and the plurality of threaded holes 16 is changed, fastening bolts 12 are screwed in the through holes and the threaded holes 16, the positions of the fastening plate 13 and the guide sleeve 5 are fixed through the fastening;

in order to enhance the compressive strength of the bracket, a reinforcing expansion piece is arranged between the two bases 1 and comprises a second guide pillar 7 and a bushing 8, wherein the second guide pillar 7 is inserted into the bushing 8 in a sliding manner, two separated ends of the bushing 8 and the second guide pillar 7 are fixedly connected with the bases 1, reinforcing ribs 9 are fixedly arranged at the lower parts of the bushing 8 and the guide sleeve 5, and the reinforcing ribs 9 are perpendicular to the bushing 8 and the guide sleeve 5.

When lifting the support to the section of jurisdiction, remove the bracket to appointed operating position through heavy universal wheel 10, adjust the distance between two bases 1 through guide pin bushing 5 and first guide pillar 6, be convenient for lift the section of jurisdiction of different specifications, fix spacing post 15 through mounting plate 13 after that, screw fastening bolt 12 in screw hole 16, lift the bracket through hydraulic jack through jack supporting slot 11, guarantee the stability of bracket, place the section of jurisdiction in layer board 3 top through the mode of handling after that, land heavy universal wheel 10 after that, can remove the bracket through pull tab 2.

Note: the fixing means not explicitly described herein may be a common fixing means such as a screw connection, an adhesive, or a welding, as required.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A segment bracket for shield construction is characterized by comprising two bases (1) and a telescopic mechanism between the two bases (1), wherein two ends of the telescopic mechanism are fixedly connected with the bases (1), supporting plates (3) are arranged on the bases (1), the top surfaces of the two supporting plates (3) are outward-expanding inclined surfaces, a supporting assembly is fixedly arranged at the bottom of the base (1), and a plurality of jack supporting grooves (11) are formed in the bottom of the base (1);

the telescopic mechanism comprises two guide sleeves (5) and two first guide pillars (6), the two first guide pillars (6) are respectively inserted into the two guide sleeves (5) in a sliding mode, two ends, away from each other, of the guide sleeves (5) and the first guide pillars (6) are fixedly connected with the base (1), and the top of the telescopic mechanism is provided with a limiting fastening assembly.

2. The segment bracket for shield construction according to claim 1, wherein: the limiting fastening assembly comprises a limiting column (15), the limiting column (15) is fixedly arranged at the top of the first guide column (6), waist-shaped through holes are formed in the top walls of the two guide sleeves (5), and the limiting column (15) is inserted into the waist-shaped through holes;

the upper end cover of spacing post (15) is equipped with mounting plate (13), the both sides of mounting plate (13) are equipped with a plurality of through-holes, the waist shape through-hole both sides of guide pin bushing (5) are equipped with a plurality of screw holes (16), the quantity of screw hole (16) is unnecessary the quantity of through-hole, the through-hole is relative with the position of screw hole (16), through-hole and screw hole (16) internal rotation have fastening bolt (12).

3. The segment bracket for shield construction according to claim 1, wherein: a plurality of expansion pieces for reinforcement are arranged between the two bases (1), each expansion piece comprises a second guide pillar (7) and a bushing (8), the second guide pillars (7) are inserted into the bushings (8) in a sliding mode, and two ends, away from each other, of the bushings (8) and the second guide pillars (7) are fixedly connected with the bases (1).

4. The segment bracket for shield construction according to claim 3, wherein: and reinforcing ribs (9) are fixedly arranged at the lower parts of the bush (8) and the guide sleeve (5), and the reinforcing ribs (9) are vertical to the bush (8) and the guide sleeve (5).

5. The segment bracket for shield construction according to claim 1, wherein: and pull lugs (2) are fixedly arranged on the outer side walls of the two bases (1).

6. The segment bracket for shield construction according to claim 1, wherein: the supporting assembly comprises a plurality of heavy universal wheels (10), and the heavy universal wheels (10) are symmetrically and fixedly arranged at the bottoms of the two bases (1).

7. The segment bracket for shield construction according to claim 1, wherein: and a cushion pad (4) is arranged on the inclined top surface of the supporting plate (3).

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