CN211821308U

CN211821308U - Portable arched pier bearing device

Info

Publication number: CN211821308U
Application number: CN201922428531.1U
Authority: CN
Inventors: 陈帅; 张哲斐; 刘旭阳; 樊厚子威
Original assignee: China University of Geosciences
Current assignee: China University of Geosciences
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-10-30
Anticipated expiration: 2029-12-27

Abstract

The utility model provides a device is born to portable arch mound, include the domes that comprises steel skeleton and concrete, link firmly the first steel sheet at steel skeleton both ends, have the second steel sheet of PU truckle and tripod support frame respectively, wherein: concrete is uniformly poured on the steel structure framework and the first steel plate, and the steel structure framework is completely covered to form an arched pier body; a plurality of bolt holes are distributed in the first steel plate and the second steel plate, bolt holes are formed in the concrete at positions corresponding to the bolt holes in the first steel plate, and the first steel plate is rotatably connected with the second steel plate; the tripod support frame is used for preventing the arch pier from turning on one's side in the lifting process. The utility model has the advantages that: the normal use of the road beside the foundation pit is not hindered, and the construction period delay caused by the implementation of a foundation pit dewatering scheme is avoided; the operation is simple and convenient, the flexibility is increased, and the transportation is convenient; the material is environment-friendly and low in cost because the material is made of steel bars and concrete.

Description

Portable arched pier bearing device

Technical Field

The utility model relates to a bear the device, especially relate to a device is born to portable arch mound.

Background

Aiming at deep foundation pit engineering with abundant underground water content, a foundation pit dewatering measure is often required to be adopted to ensure the dryness of an excavation working surface and the safe and smooth implementation of later-stage construction. The common foundation pit dewatering method in practical engineering is a surface drainage method and a well pipe method, the surface drainage method is to directly drain surface water through a drainage ditch, the well pipe method is to arrange a plurality of pumping wells in a foundation pit, and the pumping wells are used for continuously pumping water to reduce the underground water level in the foundation pit to a design water level which does not affect normal construction, but because dewatering is a continuous process, the pumping water volume is large for a long time, and the construction period is directly affected if drainage is smooth, a large number of drainage pipes need to be laid to drain water out of the foundation pit.

When carrying out foundation ditch precipitation, mutual lapped drain pipe can lay on the peripheral haulage way of foundation ditch, and will guarantee that the stable precipitation effect of foundation ditch often needs to pump water for a long time, and the haulage road of foundation ditch has many heavy mechanical equipment and normally passes through such as crane, excavator, long distance's drain pipe area occupies a large amount of ground space, and light then directly the rolling is heavy then can only idle waiting to pump water and accomplish the back current. The existing drain pipe is divided into rigid and flexible, namely a steel wire branch pipe and a fire hose with a rubber lining wrapped with flax braided fabric are made of steel materials, and the steel wire branch pipe and the fire hose are required to be mutually closely overlapped and arranged in series to prevent water leakage at an interface; and both can not bear great load, directly roll and will lead to the drain pipe area to break, splash everywhere when the pumping volume is too big, seriously influence the precipitation progress. In addition, the arrangement of the transport roads and the drain pipes around the foundation pit conflicts with each other, and a lot of difficulties are added to field carriage and material supply.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a device is born to arch mound that is used for strideing across rigidity, flexible pipe area or can not bear pressure material, is convenient for when the foundation ditch precipitation, does not influence the normal use of foundation ditch limit haulage way.

The utility model provides a device is born to portable arch mound, include by steel skeleton (1) and concrete (2) the domes that constitute, link firmly first steel sheet (3) at steel skeleton (1) both ends respectively, have second steel sheet (10) of PU truckle (19) and the tripod support frame that cooperation arch mound used, wherein:

the steel structure framework (1) is of a triangular truss structure, the concrete (2) is uniformly poured on the steel structure framework (1) and the first steel plate (3), and the steel structure framework (1) is completely covered to form an arched pier body; first steel sheet (3) and it has a plurality of bolt hole (4) to equally divide on second steel sheet (10), concrete (2) are gone up bolt hole has been opened to the position that bolt hole (4) on first steel sheet (3) correspond, first steel sheet (3) rotate with second steel sheet (10) and are connected.

Furthermore, one end of the first steel plate (3) close to the inner side of the device is provided with a pin hole (21), one end of the second steel plate (10) is provided with two shorter pin holes which are matched with the pin hole (21), and the first steel plate (3) is movably connected with the second steel plate (10) through a round pin (20); second steel sheet (10) wind round pin (20) rotate the back, second steel sheet (10) do not have the one side of PU truckle (19) with first steel sheet (3) one side laminating down, just bolt hole (4) on second steel sheet (10) with bolt hole (4) one-to-one on first steel sheet (3).

Furthermore, a plurality of transverse grooves (7) with the same size are uniformly distributed on the upper surface of the concrete (2) and are used for increasing the friction force between the tire of large-scale mechanical equipment and the arched pier.

Further, the lower surface of concrete (2) is equipped with a jack draw-in groove (5) and two recesses (6), jack draw-in groove (5) are located in the middle of the centre of concrete (2) lower surface, two recess (6) symmetric distribution is in the both sides of arch mound inner wall, and is located jack draw-in groove (5) below.

Further, the tripod comprises a convergent ring (12), a support ring (13), and three support legs (11), wherein:

each supporting leg (11) consists of two supporting rods (14) and a sliding block (15) penetrated by the supporting rods (14), a positioning bolt (18) is arranged on the sliding block (15), and the positioning bolt (18) is used for fixing the sliding block (15) and one of the supporting rods (14) on the sliding block (15); the convergence ring (12) comprises three arc-shaped connecting rods, and each arc-shaped connecting rod is connected with two adjacent sliding blocks (15); the lower surface of support ring (13) be equipped with can with bracing piece (14) swing joint's connecting device, connecting device swing joint is to the upper end of each bracing piece (14), the upper surface symmetry of support ring (13) be equipped with two with support ring arch (8) of recess (6) adaptation.

Furthermore, each arc-shaped connecting rod consists of a first arc-shaped connecting rod (16) and a second arc-shaped connecting rod (17) which are connected through threads, the first arc-shaped connecting rod (16) is connected with one sliding block (15) through threads, and the second arc-shaped connecting rod (17) is connected with the other adjacent sliding block (15) through threads.

The utility model provides a beneficial effect that technical scheme brought is:

(1) the portable arched pier bearing device provided by the utility model is arranged on the drain pipe, so that the normal use of the road beside the foundation pit is not hindered, and the influence on the construction period of foundation pit excavation and the delay of the construction period caused by the implementation of a foundation pit dewatering scheme are avoided;

(2) the portable arched pier bearing device provided by the utility model is simple and convenient to operate, is suitable for workers at all levels in site construction, is provided with the PU trundles, and has increased flexibility and convenient transportation;

(3) the portable arched pier bearing device provided by the utility model is made of steel bars and concrete, has environment-friendly materials, is easy to purchase, has low price and can be repeatedly used;

(4) the utility model provides a portable arch mound bears device has high bearing capacity, avoids the drain pipe to be rolled by oversize machinery vehicle and damages, has practiced thrift the drain pipe expense, and economic suitability is high.

Drawings

Fig. 1 is a schematic structural diagram of a portable arched pier bearing device provided by the embodiment of the invention;

fig. 2 is a schematic structural diagram of a first steel plate 3 and a second steel plate 10 according to an embodiment of the present invention;

fig. 3 is a partial structural view of a portable arched pier carrying device provided by the embodiment of the invention;

fig. 4 is a schematic structural view of a tripod rest according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a convergence ring 12 according to an embodiment of the present invention;

fig. 6 is a moving state diagram of the portable arched pier carrying device according to the embodiment of the present invention.

Description of the drawings: 1-steel structure framework, 2-concrete, 3-first steel plate, 4-bolt hole, 5-jack clamping groove, 6-groove, 7-transverse groove, 8-support ring protrusion, 9-pin, 10-second steel plate, 11-support leg, 12-convergence ring, 13-support ring, 14-support rod, 15-slide block, 16-first arc-shaped connecting rod, 17-second arc-shaped connecting rod, 18-positioning bolt, 19-PU caster, 20-round pin, 21-pin hole, 22-bolt, 23-water pipe and 24-ground.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.

Referring to fig. 1 and 4, an embodiment of the present invention provides a portable arched pier bearing device, including an arched structure composed of a steel structure frame 1 and concrete 2, a first steel plate 3 fixedly connected to two ends of the steel structure frame 1, a second steel plate 10 with PU casters 19, and a tripod support frame, wherein the steel structure frame 1 is a triangular truss structure, the concrete 2 is uniformly poured on the steel structure frame 1 and the first steel plate 3, and the steel structure frame 1 is completely covered to form an arched pier body, and the concrete 2 is poured concrete commonly used in building construction; four bolt holes 4 are distributed on the first steel plate 3, bolt holes are formed in the positions, corresponding to the bolt holes 4, on the concrete 2, and the second steel plate 10 is connected with the first steel plate 3 through round pins 20; the tripod support frame is used as an auxiliary tool for preventing the arch pier from turning on one side in the lifting process.

Specifically, referring to fig. 2, one end of the first steel plate 3 close to the inner side of the arched pier is provided with a pin hole 21, one end of the second steel plate 10 is also provided with two shorter pin holes to be matched with the pin hole 21, and the first steel plate 3 is movably connected with the second steel plate 10 through a round pin 20; one surface of the second steel plate 10 is provided with two pairs of parallel PU casters 19, and the other surface of the second steel plate 10 can be attached to the downward surface of the first steel plate 3 after rotating around the round pin 20; four bolt holes 4 are formed in the second steel plate 10, the hole diameters of the bolt holes 4 formed in the first steel plate 3 are the same, and after the second steel plate 10 is rotated, the bolt holes 4 in the two steel plates correspond to one another.

Referring to fig. 1 and 3, a plurality of transverse grooves 7 with the same size are uniformly distributed on the upper surface of the concrete 2, and the transverse grooves 7 are used for increasing the friction force between the tire of the large mechanical equipment and the bearing device; the lower surface of the concrete 2 is provided with a jack clamping groove 5 and two grooves 6, the jack clamping groove 5 is located in the middle of the lower surface of the concrete 2 so that a jack can lift the arched pier conveniently, the jack clamping groove 5 is a circular hole, and the size of the hole is matched with that of a common jack on the market; two recess 6 symmetric distribution are in the both sides of arch mound body, and are located jack draw-in groove 5 below, recess 6 uses with the cooperation of tripod support frame for avoid lifting the in-process of arch mound at the jack, because the atress inequality causes the arch mound to take place to incline, turn on one's side.

Referring to fig. 4 and 5, the tripod comprises a convergence ring 12, a support ring 13, and three support legs 11, wherein each support leg 11 is composed of two support bars 14 and a sliding block 15 penetrated by the two support bars 14, a positioning bolt 18 is arranged on the sliding block 15, the sliding block 15 can slide along the two support bars 14, and the positioning bolt 18 is used for fixing the sliding block 15 and one of the support bars 14; the convergence ring 12 comprises three arc-shaped connecting rods, each arc-shaped connecting rod consists of a first arc-shaped connecting rod 16 and a second arc-shaped connecting rod 17 which are in threaded connection, the first arc-shaped connecting rod 16 is in threaded connection with one sliding block 15, and the second arc-shaped connecting rod 17 is in threaded connection with the other adjacent sliding block 15; the lower surface of the support ring 13 is provided with a connecting device which can be movably connected with the support rods 14, the connecting device is movably connected to the upper end of each support rod 14, and the upper surface of the support ring 13 is symmetrically provided with two support ring bulges 8 matched with the grooves 6 on the arched piers. When the arched pier is used and needs to be moved, the height of the tripod support frame is adjusted, and the arched pier is jacked up by using a jack, wherein the tripod support frame is adjusted in the following process: the positioning bolt 18 is unscrewed, the support ring protrusions 8 are placed in the grooves 6, the sliding block 15 is adjusted to a suitable height, and then the positioning bolt 18 is screwed down.

The use process of the device is as follows: when the foundation pit is subjected to water lowering, if a large-scale mechanical vehicle needs to pass through a transportation road around the foundation pit, firstly, ranging is carried out on the road to determine the position where the arched piers are placed, wherein the distance between the two arched piers is determined according to the distance between the tires of the large-scale mechanical vehicle; referring to fig. 1, a drilling machine is used to drill bolt holes on a ground 24 at a certain position, and the arched pier is locked and fixed with the ground 24 through the bolt 22 and the bolt hole 4 on the second steel plate 10; arrange drain pipe 23 in the arch mound, large-scale machinery vehicle passes through along the arch mound when traveling to drain pipe 23 department, has both effectively avoided the drain pipe to be rolled the damage, has also guaranteed mechanical equipment normal operating.

After the foundation pit precipitation is finished, stopping pumping water by shutting down the pump of the water pumping well, removing the water draining pipe 23 and removing the bolt 22 for connecting the second steel plate 10 with the ground 24 when the water draining pipe 23 is not full; then, a jack is placed in the jack clamping groove 5, a tripod supporting frame is arranged in the lower groove 6, and the arch pier is supported by the jack; along with the lifting of the height of the arched pier, the height of the three-leg supporting frame is adjusted through the slide block 15 connected with the convergence ring 12, so that the phenomenon of side turning of the arched pier when being lifted is prevented; referring to fig. 6, after the arch pier is raised to a suitable height, the second steel plate 10 is rotated to be attached to the first steel plate 3, the first steel plate 3 and the second steel plate 10 are fixed by bolts 22, and the arch pier is lowered to be pushed out of the road.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The features of the embodiments and embodiments described herein above may be combined with each other without conflict.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a portable arch mound bears device, its characterized in that includes by steel skeleton (1) and concrete (2) constitute the arch structure, link firmly first steel sheet (3) at steel skeleton (1) both ends respectively, have second steel sheet (10) of PU truckle (19) and the tripod support frame that cooperation arch mound used, wherein:

2. The portable arched pier carrying device according to claim 1, characterized in that the first steel plate (3) is provided with two pin holes (21) at one end near the inside of the device, the second steel plate (10) is provided with two shorter pin holes at one end to fit the pin holes (21), and the first steel plate (3) is movably connected with the second steel plate (10) through round pins (20); second steel sheet (10) wind round pin (20) rotate the back, second steel sheet (10) do not have the one side of PU truckle (19) with first steel sheet (3) one side laminating down.

3. The portable arched pier carrying device according to claim 2, characterized in that after the second steel plate (10) is rotated around the round pin (20), the bolt holes (4) on the second steel plate (10) correspond one-to-one with the bolt holes (4) on the first steel plate (3).

4. Portable arched pier load-carrying device according to claim 1, characterized in that the upper surface of the concrete (2) is evenly distributed with several transverse grooves (7) of the same size.

5. The portable arched pier bearing device according to claim 1, wherein the lower surface of the concrete (2) is provided with a jack clamping groove (5) and two grooves (6), the jack clamping groove (5) is located in the middle of the lower surface of the concrete (2), and the two grooves (6) are symmetrically distributed on two sides of the inner wall of the arched pier and located below the jack clamping groove (5).

6. The portable arched pier carrier according to claim 5, wherein the tripod comprises a convergent ring (12), a support ring (13), and three support legs (11), wherein:

7. A portable arched pier carrying apparatus according to claim 6, characterized in that each of the arched connecting rods consists of a first arched connecting rod (16) and a second arched connecting rod (17) which are screwed together, the first arched connecting rod (16) being screwed to one slide (15) and the second arched connecting rod (17) being screwed to another adjacent slide (15).