CN221236093U - Underpinning device of pit type steel pipe static pressure pile - Google Patents

Abstract

The utility model discloses a support and exchange device of a pit-type steel pipe static pressure pile, which belongs to the technical field of pit-type steel pipe static pressure piles, and comprises a support column arranged between two vertical plates, wherein a telescopic control mechanism is used for driving a top plate, so that the support column is lifted to realize a primary support function, and then a driving device is used for driving a first arc plate capable of sliding on the top plate to drive an exchange steel pipe to move to a target support position.

Description

Underpinning device of pit type steel pipe static pressure pile

Technical Field

The utility model relates to the technical field of pit-type steel pipe static pressure piles, in particular to a underpinning device of a pit-type steel pipe static pressure pile.

Background

Old communities are required to be repaired and maintained because of the influence on structural safety caused by long-term construction, improper use and repair and settlement of construction foundations. The existing buildings are often dense in surrounding, people flow and traffic flow are large, and part of the existing buildings need to protect the original finished components and structures at the lower part. In order to effectively solve foundation settlement, ensure structural safety and reduce influence on surrounding residents, a large number of static pressure pile foundation reinforcement forms are adopted at present to carry out reinforcement.

The underpinning device in the prior art mostly adopts a plurality of jacks to cooperate, and after the completion of the lifting, workers are required to take the underpinning steel pipes for replacement, so that the operation workload is large, and the working strength of the operators is increased especially under the condition that part of the operation space is relatively low.

Therefore, it is necessary to provide a underpinning device for pit-type steel pipe static pressure piles to solve the above problems.

Disclosure of utility model

The utility model aims to provide a underpinning device for a pit-type steel pipe static pressure pile, which aims to solve the problems that in the prior art, the underpinning device needs to be matched by adopting a plurality of jacks, a worker needs to take the underpinning steel pipe for replacement, and the workload of the constructor is large and the working strength is high.

The underpinning device of the pit-type steel pipe static pressure pile comprises two upright plates which are oppositely arranged, one ends of the two upright plates are fixedly connected through a first connecting plate, the inner sides of the two upright plates are respectively provided with a first sliding groove which is vertically arranged, the inner sides of the first sliding grooves are respectively connected with a support column in a sliding manner, the inner sides of the two upright plates are respectively provided with a second sliding groove which is transversely arranged, the inner sides of the second sliding grooves are respectively connected with a top plate in a sliding manner, the upper surface of each top plate is an inclined surface, the inclined surface on each top plate is gradually lowered from one end close to the first connecting plate to one end far away from the first connecting plate, the inclined surface of each top plate is attached to the bottom of each support column, and one end close to the first connecting plate on each top plate is provided with a telescopic control mechanism; a third sliding groove is formed in one face, close to each other, of each of the two top plates, a sliding column is connected inside the third sliding groove in a sliding mode, a first arc plate is fixedly connected between the two sliding columns, a driving device is arranged on the outer side of the first arc plate, and a supporting plate for placing a underpinning steel pipe is arranged at the bottom of the first arc plate.

Preferably, the top of the support column is provided with an abutting plate.

Preferably, the telescopic control mechanism comprises a driving source and a first L-shaped plate fixed on the top plate, the driving source is fixed on the vertical plate, and a driving part fixedly connected with one end of the first L-shaped plate is arranged on the driving source.

Preferably, the upper end of the first arc plate is hinged with a second arc plate, and a torsion spring is arranged on a hinged rotating shaft between the second arc plate and the first arc plate.

Preferably, an electromagnet is fixedly embedded on the concave surface of the second arc plate.

Preferably, one end of the two top plates, which is close to the first connecting plate, is connected through the second connecting plate, the driving device comprises a pushing column, one side of the second arc plate, which is close to the second connecting plate, is fixedly connected with a sliding frame, the second connecting plate is connected with the pushing column in a sliding manner, and the end part of the pushing column is arranged in the sliding frame in a sliding manner.

Preferably, the support plate comprises a second L-shaped plate, a slide bar is fixedly connected to one side, close to the second connecting plate, of the first arc plate, and the second L-shaped plate is arranged on the slide bar in a sliding mode.

Preferably, the outside cover of slide bar is equipped with the spring, and the one end fixed connection of spring is on the second L template, and the other end fixed connection of spring is on first arc board.

Preferably, one end of the sliding column positioned in the third sliding groove is fixedly embedded with an elastic telescopic rod.

Preferably, the bottom of the elastic telescopic rod is provided with a ball, and the ball is attached to the bottom of the third chute.

Compared with the prior art, the utility model has the following beneficial technical effects:

The application provides a support and replacement device for a pit type steel pipe static pressure pile, which is characterized in that a support column is arranged between two vertical plates, a top plate is driven by a telescopic control mechanism, so that the support column is lifted to realize a primary support function, and then a first arc plate capable of sliding on the top plate is driven by a driving device to drive a replacement steel pipe to move to a target support position.

Further, the telescopic control mechanism comprises a driving source and a first L-shaped plate fixed on the top plate, the driving source is fixed on the vertical plate, a driving part fixedly connected with one end of the first L-shaped plate is arranged on the driving source, the telescopic control mechanism is matched with the support column through the top plate, the occupied height space is small, the relatively low operating environment is met, and the applicability is stronger.

Drawings

Fig. 1 is a schematic structural diagram of a underpinning device for pit-type steel pipe static pressure piles in an embodiment of the utility model.

Fig. 2 is a schematic diagram of a cross-sectional structure of a underpinning device for a pit-type steel pipe static pressure pile according to an embodiment of the present utility model.

Fig. 3 is an enlarged schematic view of the structure a in fig. 2 according to the present utility model.

Fig. 4 is a schematic view showing the connection of the middle plate and the top plate in the embodiment of the utility model.

Fig. 5 is an enlarged schematic view of the structure B in fig. 4 according to the present utility model.

In the figure: 1. a vertical plate; 2. a first connecting plate; 3. a first chute; 4. a support column; 5. an abutting plate; 6. a second chute; 7. a top plate; 8. a second connecting plate; 9. a first L-shaped plate; 10. a telescoping control mechanism; 11. pushing a column; 12. a third chute; 13. a spool; 14. a second arc plate; 15. an electromagnet; 16. a sliding frame; 17. a second L-shaped plate; 18. a spring; 19. a slide bar; 20. an elastic telescopic rod; 21. a ball; 22. a first arc plate.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described 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.

The utility model provides a underpinning device of a pit-type steel pipe static pressure pile as shown in figures 1-5, which comprises two opposite vertical plates 1, wherein one ends of the two vertical plates 1 are fixedly connected through a first connecting plate 2, the inner sides of the two vertical plates 1 are respectively provided with a first sliding chute 3 which is vertically arranged, the inner sides of the first sliding chute 3 are slidably connected with a support column 4, the inner sides of the two vertical plates 1 are respectively provided with a second sliding chute 6 which is horizontally arranged, the inner sides of the second sliding chute 6 are slidably connected with a top plate 7, the upper surface of the top plate 7 is an inclined surface, the inclined surface on the top plate 7 gradually descends from one end close to the first connecting plate 2 to one end far away from the first connecting plate 2, the inclined surface of the top plate 7 is attached to the bottom of the support column 4, one end close to the first connecting plate 2 on the top plate 7 is provided with a telescopic control mechanism 10, and in the utility model, as shown in figure 2, namely the right end of the top plate 7 is provided with a telescopic control mechanism 10; a third sliding groove 12 is formed in one surface of the two top plates 7, which is close to each other, a sliding column 13 is connected in the third sliding groove 12 in a sliding way, a first arc plate 22 is fixedly connected between the two sliding columns 13, a driving device is arranged on the outer side of the first arc plate 22, and a supporting plate for placing a underpinning steel pipe is arranged at the bottom of the first arc plate 22; according to the utility model, the support column 4 is arranged between the two vertical plates 1, the telescopic control mechanism 10 is utilized to drive the top plate 7, so that the support column 4 is lifted to realize the primary supporting effect of lifting, then the driving device is utilized to drive the first arc plate 22 capable of sliding on the top plate 7 to drive the lifting steel pipe to move to the target supporting position, and the lifting and the placing of the lifting steel pipe can be realized at the same time, so that the operating efficiency of the supporting and replacing of the lifting steel pipe is greatly improved, and the labor intensity of workers is reduced. As shown in fig. 1 and 2, in the present utility model, a surface of the top plate 7 that is attached to the support column 4 is an inclined surface, and the inclined surface of the top plate 7 is provided along the moving direction of the top plate 7.

In one embodiment provided by the present application, the outer side of the first arc plate 22 refers to the outer arc side of the first arc plate 22, as shown in fig. 2, that is, refers to the right side of the first arc plate 22; the two vertical plates 1 and the first connecting plate 2 are arranged in a U-shaped structure, and the opening of the U-shaped structure formed by the two vertical plates 1 and the first connecting plate 2 is used for penetrating through a lower steel pipe fixed on the ground; the first sliding groove 3 of vertical setting has all been seted up to the inboard of two risers 1 (i.e. the side that two risers 1 are close to mutually), and the inside sliding connection of first sliding groove 3 has support column 4, and the top of support column 4 is provided with butt board 5, and butt board 5 is used for expanding and supports area of contact. In a specific use process, upper support plates are placed on the tops of the two abutting plates 5, and in a jacking process, the upper support plates are in contact with a surface to be supported of a building.

In one embodiment of the application, the bottoms of both risers 1 are provided with a bottom support structure, in particular a sleeper or the like.

As shown in fig. 1, the telescopic control mechanism 10 includes a driving source and a first L-shaped plate 9 fixed on the top plate 7, the driving source is fixed on the vertical plate 1, and a driving part fixedly connected with one end of the first L-shaped plate 9 is provided on the driving source. Each vertical plate 1 is fixed with a driving source for driving a first L-shaped plate 9 connected with a top plate 7 arranged on the vertical plate 1, and the top plate 7 is driven to move by the first L-shaped plate 9. The driving source specifically adopts a screw rod transmission telescopic mechanism. The driving source is arranged transversely. When the lifting device is specifically used, the driving source drives the top plate 7 to slide by driving the first L-shaped plate 9, and the inclined surface of the top plate 7 is attached to the bottom of the supporting column 4, so that the lifting effect is realized by controlling the rising and falling of the supporting column 4 on the vertical plate 1 through the top plate 7.

As shown in fig. 1, one ends of the two top plates 7, which are close to the first connecting plate, are connected through a second connecting plate 8, and the second connecting plate 8 is positioned above the first connecting plate 2; one end of the two top plates 7 near the first connecting plate is referred to as the right end of the two top plates 7 in fig. 2.

The driving sources are transversely arranged, and the driving sources are matched with the supporting columns 4 through the top plates 7, so that the height space occupation is small, the lower operating environment is met, and the applicability is higher.

Specifically, in one embodiment of the present application, considering that the support and replacement steel pipe is directly placed between the lower steel pipe and the upper support plate after the lifting is completed, as shown in fig. 1 to 4, a third sliding chute 12 is formed on one surface of the two top plates 7, which is close to each other, the inside of the third sliding chute 12 is slidably connected with sliding columns 13, a first arc plate 22 is fixedly connected between the two sliding columns 13, and the upper end of the first arc plate 22 is hinged with a second arc plate 14, wherein the first arc plate 22 can move to the upper end of the lower steel pipe; the driving device provided at one side of the first arc plate 22 can drive the first arc plate 22 and the second arc plate 14. An electromagnet 15 is fixedly inlaid on the concave surface of the second arc plate 14, the underpinning steel pipe is placed on the concave surface of the second arc plate 14, and the underpinning steel pipe is adsorbed and fixed by the electromagnet 15. A torsion spring (not shown) is provided on the hinge shaft between the second arc plate 14 and the first arc plate 22, and in the non-pressure state, the second arc plate 14 is in an inclined state, referring to fig. 2.

Considering that the distance between the upper support plate and the bottom surface of the first arc plate 22 is smaller than the axial height of the replacement steel pipe before the lifting operation is not completed, if the replacement steel pipe is directly moved vertically, clamping stagnation occurs, and the second arc plate 14 is in an inclined state, so that the sucked replacement steel pipe is also in an inclined state, and is convenient to move before being placed on the top of the lower steel pipe.

In one embodiment of the present application, in view of improving the stability of the placement of the underpinned steel pipes, an embodiment is given in which the driving means are used to directly act on the second arc plate 14; the driving device comprises a pushing post 11, as shown in fig. 2, a sliding frame 16 is fixedly connected to one side, close to the second connecting plate 8, of the second arc plate 14, the pushing post 11 is connected to the second connecting plate 8 in a sliding manner, the end portion of the pushing post 11 is connected to the inside of the sliding frame 16 in a sliding manner, the pushing post 11 is utilized to push the second arc plate 14, and accordingly the first arc plate 22 hinged with the second arc plate 14 is driven to slide synchronously, and the purpose that a support and exchange steel pipe moves to a target position is achieved.

In another embodiment of the present application, the support plate for placing the underpinning steel pipe adopts an L-shaped plate, and is described in detail with an L-shaped plate structure, as shown in fig. 3, a sliding rod 19 is fixedly connected to one side of the first arc plate 22 near the second connecting plate 8, a second L-shaped plate 17 is slidingly connected to the sliding rod 19, and the second L-shaped plate 17 is slidingly attached to the bottom of the first arc plate 22, and the upper surface of the second L-shaped plate 17 located below the first arc plate 22 is flush with the top end of the lower steel pipe; when the underpinning steel pipe is in a vertical state in the pushing process, the bottom of the underpinning steel pipe is contacted with the top end of the lower steel pipe. In order to facilitate the contraction of the second L-shaped plate 17, a spring 18 is sleeved outside the slide bar 19, one end of the spring 18 is fixedly connected to the second L-shaped plate 17, and the other end of the spring 18 is fixedly connected to the first arc plate 22.

When the upper support plate is lifted by the support column 4 until the upper support plate is contacted with a building surface to be supported and lifted, the push column 11 is pushed, the push column 11 enables the second arc plate 14, the first arc plate 22 and the second L-shaped plate 17 to synchronously move, when the end part of the second L-shaped plate 17 is contacted with the side wall of the lower steel pipe, the push column 11 is continuously pushed, the second L-shaped plate 17 is influenced by the blocking force to stop advancing, at the moment, the second arc plate 14 is changed into a vertical state from an inclined state under the action of the push column 11, so that the lifting steel pipe is changed into a vertical state, the push column 11 is continuously pushed, the second L-shaped plate 17 slides on the slide rod 19 to shrink and stretch the spring 18, at the moment, the lifting steel pipe is positioned between the lower steel pipe and the upper support plate, then the electromagnet 15 is closed, the support column 4 is lowered, the lifting steel pipe is supported between the lower steel pipe and the upper support plate, the supporting replacement of the lifting steel pipe is completed, and then the push column 11 is pulled back, lifting and placing of the lifting steel pipe can be simultaneously completed, the lifting and the labor intensity of workers is reduced.

Considering that when the underpinning steel pipe is changed from the inclined state to the vertical state, the vertical height of the state is larger than the axial length of the underpinning steel pipe when the underpinning steel pipe is nearly changed to the vertical state, as shown in fig. 5, one end of the sliding column 13 positioned in the third sliding groove 12 is fixedly inlaid with an elastic telescopic rod 20, the bottom of the elastic telescopic rod 20 is movably inlaid with a ball 21, and the ball 21 is attached to the bottom of the third sliding groove 12; the elastic force of the elastic telescopic rod 20 is larger than the gravity of the underpinning steel pipe.

Specifically, when the underpinning steel pipe changes from the inclined state to the vertical state, the top end of the underpinning steel pipe is abutted to the upper support plate, and when the underpinning steel pipe is nearly changed to the vertical state, the vertical height of the state is larger than the axial length of the underpinning steel pipe, the sliding column 13 is extruded to move downwards through the first arc plate 22, the elastic telescopic rod 20 is elastically contracted, when the underpinning steel pipe is in the vertical state, the sliding column 13 is lifted to the initial state under the action of the elastic telescopic rod 20, and the space that the underpinning steel pipe is changed to the vertical state is ensured. At the same time, the balls 21 can improve the smoothness of the movement of the structure such as the spool 13.

Claims (10)

1. The utility model provides a underpinning device of pit type steel pipe static pressure stake, a serial communication port, including two riser (1) of relative setting, the one end of two riser (1) is through first connecting plate (2) fixed connection, first spout (3) of vertical setting are all seted up to the inboard of two riser (1), the inside sliding connection of first spout (3) has support column (4), the second spout (6) of horizontal setting are all seted up to the inboard of two riser (1), the inside sliding connection of second spout (6) has roof (7), the upper surface of roof (7) is the inclined plane, the inclined plane on roof (7) is gradually reduced from the one end that is close to first connecting plate (2) to the one end that keeps away from first connecting plate (2), the inclined plane of roof (7) is laminated with the bottom of support column (4), the one end that is close to first connecting plate (2) on roof (7) is provided with flexible control mechanism (10); a third sliding groove (12) is formed in one face, close to each other, of each of the two top plates (7), sliding columns (13) are connected to the inner portion of each third sliding groove (12) in a sliding mode, first arc plates (22) are fixedly connected between the two sliding columns (13), driving devices are arranged on the outer sides of the first arc plates (22), and supporting plates used for placing underpinning steel pipes are arranged at the bottoms of the first arc plates (22).

2. The underpinning device for pit-type steel pipe static pressure piles according to claim 1, wherein the top of the supporting column (4) is provided with an abutting plate (5).

3. The underpinning device for pit-type steel pipe static pressure piles according to claim 1, wherein the telescopic control mechanism (10) comprises a driving source and a first L-shaped plate (9) fixed on the top plate (7), the driving source is fixed Yu Liban (1), and a driving part fixedly connected with one end of the first L-shaped plate (9) is arranged on the driving source.

4. The underpinning device for pit-type steel pipe static pressure piles according to claim 1, wherein the upper end of the first arc plate (22) is hinged with a second arc plate (14), and a torsion spring is arranged on a hinged rotating shaft between the second arc plate (14) and the first arc plate (22).

5. The underpinning device for pit-type steel pipe static pressure piles according to claim 4, wherein electromagnets (15) are fixedly embedded on the concave surfaces of the second arc plates (14).

6. The underpinning device for pit-type steel pipe static pressure piles according to claim 4, wherein one ends, close to the first connecting plates (2), of the two top plates (7) are connected through the second connecting plates (8), the driving device comprises pushing posts (11), one side, close to the second connecting plates (8), of the second arc plates (14) is fixedly connected with sliding frames (16), the pushing posts (11) are connected to the second connecting plates (8) in a sliding mode, and the end portions of the pushing posts (11) are arranged in the sliding frames (16) in a sliding mode.

7. The underpinning device for pit-type steel pipe static pressure piles according to claim 6, wherein the supporting plate comprises a second L-shaped plate (17), a sliding rod (19) is fixedly connected to one side, close to the second connecting plate (8), of the first arc plate (22), and the second L-shaped plate (17) is arranged on the sliding rod (19) in a sliding mode.

8. The underpinning device for pit-type steel pipe static pressure piles according to claim 7, wherein a spring (18) is sleeved outside the sliding rod (19), one end of the spring (18) is fixedly connected to the second L-shaped plate (17), and the other end of the spring (18) is fixedly connected to the first arc plate (22).

9. The underpinning device for pit-type steel pipe static pressure piles according to claim 1, wherein one end of the sliding column (13) positioned in the third sliding groove (12) is fixedly embedded with an elastic telescopic rod (20).

10. The underpinning apparatus for pit-type steel pipe static pressure piles according to claim 9, wherein balls (21) are provided at the bottom of the elastic telescopic rod (20), and the balls (21) are attached to the bottom of the third chute (12).