CN211315346U

CN211315346U - Concatenation formula pipeline buttress

Info

Publication number: CN211315346U
Application number: CN201922412616.0U
Authority: CN
Inventors: 刘骞; 魏延玲; 路维福
Original assignee: Qingdao Huade Meter Manufactured And Engineering Co ltd
Current assignee: Qingdao Huade Meter Manufactured And Engineering Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-08-21
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a concatenation formula pipeline buttress relates to pipeline support technical field. It includes the pre-buried base that the level set up, sliding connection has the unable adjustment base on the pre-buried base, unable adjustment base top surface fixedly connected with semicircle clamp, form the space of fixed pipeline between semicircle clamp and the unable adjustment base, the pre-buried base is located the first concrete slabs, the second concrete slabs that the both ends of unable adjustment base sliding direction are connected with vertical setting respectively, the unable adjustment base is located between first concrete slabs and the second concrete slabs, be equipped with pressure spring between unable adjustment base and first concrete slabs, the second concrete slabs respectively. The utility model has the advantages of from the stress release angle of pipeline itself, can offset the radial stress that the pipeline produced.

Description

Concatenation formula pipeline buttress

Technical Field

The utility model belongs to the technical field of the pipeline supporting technology and specifically relates to a concatenation formula pipeline buttress is related to.

Background

In some water supply lines, water pressure changes in the line can cause the water fitting joints to shift and cause water leakage, and therefore, buttresses must be provided at these connection points to withstand tension and prevent accidents.

The Chinese patent with the publication number of CN109140053A discloses a valve buttress applied to a long-distance pipeline station, which comprises an embedded bottom plate, a lower retainer ring and an upper retainer ring, wherein the lower retainer ring and the upper retainer ring are positioned on the upper side of the embedded bottom plate; the times of manual adjustment are reduced through the automatic buffering function, and the labor is saved; through the cooperation clamping action between lower rand, the last rand, it is comparatively convenient to open and the closing action.

In a practical long-distance pipeline, the pipeline generates not only axial stress but also large radial stress near the joint, the directions of the radial stresses are often random, when the radial stress of the pipeline is in the vertical direction, the radial stress can be eliminated by the upright column and the buffer spring of the valve buttress in the patent, but when the radial stress generated by the pipeline is in the horizontal direction, the valve buttress can not effectively offset the radial stress, and the adverse effect can be generated on the pipeline and the buttress, so that the service life of the pipeline and the buttress is influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a concatenation formula pipeline buttress, it has the stress release angle from pipeline itself and sets out, can offset the advantage of the radial stress that the pipeline produced.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a concatenation formula pipeline buttress, pre-buried base including the level setting, sliding connection has the unable adjustment base on the pre-buried base, unable adjustment base top surface fixedly connected with semicircle clamp, form the space of fixed pipeline between semicircle clamp and the unable adjustment base, pre-buried base is located the both ends of unable adjustment base sliding direction and is connected with first concrete slabs, the second concrete slabs of vertical setting respectively, the unable adjustment base is located between first concrete slabs and the second concrete slabs, be equipped with pressure spring between unable adjustment base and first concrete slabs, the second concrete slabs respectively.

By adopting the technical scheme, when the pipeline generates larger radial stress to cause radial displacement, the fixed base can slide along the horizontal direction, so that the purpose of eliminating the radial stress is achieved; when the fixed base slides, the two pressure springs are respectively in a stretching state and a compressing state, and after the pipeline stress is eliminated, the two pressure springs can restore the initial state and enable the fixed base to return to the initial position.

The present invention may be further configured in a preferred embodiment as: the top surface of the fixed base is provided with an arc-shaped groove for placing a pipeline.

Through adopting above-mentioned technical scheme, the arc recess has further strengthened the steadiness of being connected between pipeline and the fixed baseplate, makes the pipeline can more abundant drive the fixed baseplate when taking place radial displacement and remove to obtain better stress relieving effect.

The present invention may be further configured in a preferred embodiment as: first concrete slabs, second concrete slabs all run through the guide bar that the level set up, the guide bar passes pressure spring and fixed baseplate threaded connection.

Through adopting above-mentioned technical scheme, the guide bar has strengthened the stability of sliding between fixed baseplate and the pre-buried base, has avoided the spring to produce radial deformation when tensile or compression, reduces its life, has further ensured the working effect of this concatenation formula pipeline buttress.

The present invention may be further configured in a preferred embodiment as: the top surface of the embedded base is provided with a first dovetail groove, the bottom surface of the fixed base is provided with a first dovetail joint matched with the first dovetail groove for use, and the first dovetail joint is positioned in the first dovetail groove.

Through adopting above-mentioned technical scheme, under the cooperation of first dovetail and first dovetail, the fixed baseplate has been restricted the removal that probably takes place in vertical direction to very big promotion the stability of sliding between fixed baseplate and the pre-buried base, guaranteed its working effect.

The present invention may be further configured in a preferred embodiment as: the bottom surface of the first dovetail groove is provided with a plurality of ball grooves distributed in a rectangular array, and the ball grooves are of hemispherical structures and are internally provided with steel balls.

Through adopting above-mentioned technical scheme, effectual when having reduced the fixed baseplate and sliding and pre-buried base between the frictional force, when making the pipeline produce radial displacement, can effectually drive the fixed baseplate and slide, avoided because the frictional force between fixed baseplate and the pre-buried base is too big, lead to the fixed baseplate can't slide, reach the stress problem that release pipeline self produced.

The present invention may be further configured in a preferred embodiment as: a plurality of semicircular grooves are formed in the bottom surface of the fixed base along the sliding direction of the fixed base, and the top ends of the steel balls are located in the semicircular grooves.

Through adopting above-mentioned technical scheme, avoided the steel ball probably from the risk that the ball inslot breaks away from, and under the cooperation of steel ball and semicircular groove, restricted the skew different with the direction of sliding that first forked tail bottom probably appears at the in-process that slides to the steadiness of fixed baseplate in the in-process that slides has further been promoted.

The present invention may be further configured in a preferred embodiment as: the one side that pre-buried base is close to first concrete slabs is seted up the second dovetail that has the level to set up, the one side that first concrete slabs is close to pre-buried base is equipped with the second dovetail that uses with the cooperation of second dovetail, the second dovetail is located the second dovetail, first concrete slabs level is inserted and is equipped with a plurality of and pre-buried base threaded connection's fixing bolt.

By adopting the technical scheme, the installation of the fixed base and the embedded base is greatly facilitated. When the embedded base is installed, the embedded base is placed well, then the fixing base is inserted into one end of the embedded base, the first concrete plate is connected with the embedded base through the second dovetail groove and the second dovetail joint, and finally the embedded base is further fastened through the fixing bolt. This design is very big has made things convenient for the installation of pre-buried base and fixed baseplate, makes this concatenation formula pipeline buttress have fine practicality.

The present invention may be further configured in a preferred embodiment as: one side that the fixed baseplate top surface is close to first concrete slabs is provided with rectangular shape spacing recess, the length direction of spacing recess is unanimous with fixed baseplate's slip direction, the one side that first concrete slabs is close to spacing recess is equipped with the limiting plate, the bottom surface of limiting plate is equipped with the spacing arch that the bottom stretched into in the spacing recess, the length of spacing recess is less than the biggest displacement distance in the pressure spring elastic deformation.

Through adopting above-mentioned technical scheme, under spacing recess and spacing bellied combined action, restricted fixed baseplate's the scope of sliding, avoided because the radial displacement that the pipeline produced makes fixed baseplate when sliding too big, pressure spring is too big by tensile length, leads to surpassing its elastic limit, causes follow-up unable use.

To sum up, the utility model discloses a beneficial technological effect does:

1. the purpose of eliminating radial stress from the stress release angle of the pipeline is achieved by arranging the embedded base, the fixed base, the semicircular hoop and the pressure spring;

2. through the arrangement of the first dovetail groove, the first dovetail tenon, the ball groove and the steel ball, the stability and smoothness of sliding between the fixed base and the embedded base are improved, and the working effect of the spliced pipeline buttress is ensured;

3. the installation of the pre-buried base and the fixed base is facilitated by the second dovetail groove, the second dovetail joint and the fixing bolt, so that the spliced pipeline buttress has good practicability.

Drawings

FIG. 1 is a schematic structural view of a spliced pipeline pier;

fig. 2 is a partial perspective sectional view taken along the plane a-a in fig. 1.

Reference numerals: 1. pre-burying a base; 2. a fixed base; 3. a semicircular hoop; 4. a first concrete slab; 5. a second concrete slab; 6. a pressure spring; 7. an arc-shaped groove; 8. a guide bar; 9. a first dovetail groove; 10. a first dovetail; 11. a ball groove; 12. steel balls; 13. a semicircular groove; 14. a second dovetail groove; 15. a second dovetail; 16. fixing the bolt; 17. a limiting groove; 18. a limiting plate; 19. and a limiting bulge.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a concatenation formula pipeline buttress, including the pre-buried base 1 of level setting, sliding connection has fixed baseplate 2 on pre-buried base 1, and 2 top surfaces of fixed baseplate have semicircle clamp 3 through bolted connection, form fixed pipeline's space between semicircle clamp 3 and the fixed baseplate 2. Pre-buried base 1 is located the first concrete slabs 4 of vertical setting respectively at the both ends of 2 glide direction of fixed baseplate, second concrete slabs 5, first concrete slabs 4 pours with pre-buried base 1 an organic whole and forms, fixed baseplate 2 is located between first concrete slabs 4 and second concrete slabs 5, fixed baseplate 2 and first concrete slabs 4, be equipped with pressure spring 6 between the second concrete slabs 5 respectively, first concrete slabs 4, second concrete slabs 5 all run through the guide bar 8 that has the level to set up, guide bar 8

passes pressure spring

6 and 2 threaded connection of fixed baseplate. When the pipeline generates larger radial stress to cause radial displacement, the fixed base 2 can slide along the horizontal direction, so that the purpose of eliminating the radial stress is achieved; when the fixed base 2 slides, the two pressure springs 6 are respectively in a stretching state and a compressing state, and after the pipeline stress is eliminated, the two pressure springs 6 can restore the initial state and enable the fixed base 2 to return to the initial position.

Referring to fig. 2, for the steadiness of being connected between reinforcing pipeline and the fixed baseplate 2, make the pipeline can be more abundant drive fixed baseplate 2 when taking place radial displacement and remove, obtain better stress relief effect, in this embodiment, arc recess 7 that is used for placing the pipeline is offered to fixed baseplate 2 top surface. Simultaneously, in order to avoid making unable adjustment base 2 when sliding because the radial displacement that the pipeline produced is too big, pressure spring 6 is too big by tensile length, lead to surpassing its elasticity limit, cause follow-up unable use, it has rectangular shape spacing recess 17 to have seted up two in one side that 2 top surfaces of unable adjustment base are close to first concrete slab 4, the length direction of spacing recess 17 is unanimous with unable adjustment base 2's the direction of sliding, a concrete slab 4 is close to spacing recess 17's a threaded connection has the limiting plate 18 that the level set up, the bottom surface of limiting plate 18 is equipped with the bottom and stretches into the spacing arch 19 in two spacing recess 17 respectively, the length of spacing recess 17 is less than the biggest displacement distance in the elastic deformation of pressure spring 6.

Referring to fig. 1 and 2, in order to promote the stability of sliding between fixed baseplate 2 and pre-buried base 1, guarantee the working effect of this concatenation formula pipeline buttress, in this embodiment, the relation of connection between fixed baseplate 2 and pre-buried base 1 is specifically as follows: a first dovetail groove 9 is formed in the surface of the embedded base 1, a first dovetail 10 matched with the first dovetail groove 9 for use is arranged on the bottom surface of the fixed base 2, and the first dovetail 10 is located in the first dovetail groove 9. Preferably, a pressure spring 6 is also arranged between the first dovetail joint 10 and the first concrete plate 4 and the second concrete plate 5, a guide rod 8 horizontally arranged also penetrates through the first concrete plate 4 and the second concrete plate 5, and the guide rod 8 penetrates through the pressure spring 6 and is in threaded connection with the first dovetail joint 10.

Referring to fig. 2, in order to reduce the frictional force between the fixed base 2 and the embedded base 1, when the pipeline generates radial displacement, the fixed base 2 can be effectively driven to slide, thereby avoiding the problem that the stress generated by the pipeline cannot be released because the frictional force between the fixed base 2 and the embedded base 1 is too large, a plurality of ball grooves 11 distributed in a rectangular array are arranged on the bottom surface of the first dovetail groove 9, and the ball grooves 11 are of a hemispherical structure and are embedded with steel balls 12. Preferably, three semicircular grooves 13 are formed in the bottom surface of the fixed base 2 along the sliding direction, and the top ends of the steel balls 12 are located in the semicircular grooves 13. In addition, in order to facilitate the installation of the fixed base 2 and the embedded base 1, a second dovetail groove 14 which is horizontally arranged is formed in one surface, close to the first concrete plate 4, of the embedded base 1, a second dovetail tenon 15 which is matched with the second dovetail groove 14 for use is arranged in one surface, close to the embedded base 1, of the first concrete plate 4, the second dovetail tenon 15 is located in the second dovetail groove 14, and two fixing bolts 16 which are in threaded connection with the embedded base 1 are horizontally inserted into the first concrete plate 4.

The implementation principle of the embodiment is as follows: when the spliced pipeline buttress is installed, the embedded base 1 is placed well, then the fixed base 2 is inserted into one end of the embedded base, and the pressure springs 6 are respectively fixed between the fixed base 2 and the embedded base 1 through the guide rods 8. Next, the first concrete plate 4 and the embedded base 1 are connected by the second dovetail groove 14 and the second dovetail 15, and further fastened by the fixing bolt 16. After the fixing is finished, the limiting protrusion 19 on the bottom surface of the limiting plate 18 extends into the limiting groove 17, the limiting plate 18 is fastened with the first concrete plate 4 through bolts, and finally, the pipeline is installed through the semicircular hoop 3. When the pipeline generates larger radial stress to cause the pipeline to generate radial displacement, the fixed base 2 can slide along the horizontal direction, and the purpose of eliminating the radial stress is achieved through the action of the pressure spring 6.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a concatenation formula pipeline buttress, includes pre-buried base (1) that the level set up, a serial communication port, sliding connection has unable adjustment base (2) on pre-buried base (1), unable adjustment base (2) top surface fixedly connected with semicircle clamp (3), form the space of fixed pipeline between semicircle clamp (3) and unable adjustment base (2), pre-buried base (1) are located the both ends of unable adjustment base (2) direction of sliding and are connected with first concrete slabs (4), second concrete slabs (5) of vertical setting respectively, unable adjustment base (2) are located between first concrete slabs (4) and second concrete slabs (5), be equipped with pressure spring (6) between unable adjustment base (2) and first concrete slabs (4), second concrete slabs (5) respectively.

2. Spliced pipe buttress according to claim 1, characterized in that the top surface of the fixed base (2) is provided with an arc-shaped groove (7) for placing a pipe.

3. Spliced pipe buttress according to claim 1, characterized in that the first concrete plate (4) and the second concrete plate (5) are each penetrated by a horizontally arranged guide bar (8), and the guide bar (8) is threaded to the fixed base (2) through the pressure spring (6).

4. The spliced pipeline buttress according to claim 1, wherein a first dovetail groove (9) is formed in the top surface of the embedded base (1), a first dovetail (10) matched with the first dovetail groove (9) for use is arranged on the bottom surface of the fixed base (2), and the first dovetail (10) is positioned in the first dovetail groove (9).

5. The spliced pipeline buttress according to claim 4, wherein the bottom surface of the first dovetail groove (9) is provided with a plurality of ball grooves (11) distributed in a rectangular array, and the ball grooves (11) are of a hemispherical structure and are embedded with steel balls (12).

6. The spliced pipeline buttress according to claim 5, wherein the bottom surface of the fixed base (2) is provided with a plurality of semicircular grooves (13) along the sliding direction, and the top ends of the steel balls (12) are positioned in the semicircular grooves (13).

7. The splicing type pipeline buttress according to claim 6, wherein a second dovetail groove (14) which is horizontally arranged is formed in one surface, close to the first concrete plate (4), of the embedded base (1), a second dovetail joint (15) which is matched with the second dovetail groove (14) for use is arranged in one surface, close to the embedded base (1), of the first concrete plate (4), the second dovetail joint (15) is located in the second dovetail groove (14), and a plurality of fixing bolts (16) which are in threaded connection with the embedded base (1) are horizontally inserted into the first concrete plate (4).

8. Spliced pipeline buttress according to claim 1, characterized in that one side of the top surface of the fixing base (2) near the first concrete slab (4) is provided with an elongated limiting groove (17), the length direction of the limiting groove (17) is consistent with the sliding direction of the fixing base (2), one side of the first concrete slab (4) near the limiting groove (17) is provided with a limiting plate (18), the bottom surface of the limiting plate (18) is provided with a limiting protrusion (19) with a bottom end extending into the limiting groove (17), and the length of the limiting groove (17) is less than the maximum displacement distance in the elastic deformation of the pressure spring (6).