CN210288531U

CN210288531U - Construction equipment for floor support with rib groove

Info

Publication number: CN210288531U
Application number: CN201920833641.3U
Authority: CN
Inventors: 张宁; 王立明; 郝飞; 凌斌; 唐军
Original assignee: Shanghai Shannan Surveying Design Co ltd
Current assignee: Shanghai Shannan Surveying Design Co ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-04-10
Anticipated expiration: 2029-06-04

Abstract

The utility model relates to a construction equipment of area rib groove shore, before the foundation ditch earthwork excavates completely, the construction horizontal direction sets up the shore of setting for the degree of depth in the soil body in the foundation ditch, the shore is formed after advancing along the horizontal direction by construction equipment in the soil body, construction equipment sets for the degree of depth in the soil body and forms the column reinforcement body, it is the rib groove to strengthening between the body top surface to the ground, form the floor after the solidification of rib inslot cement thick liquid, construction equipment includes the grooving propeller, shore formation ware and attached power device, rib groove propeller formation rib groove, be used for equipment horizontal migration in the rib groove and need not to extract from the soil body, the shore formation ware forms the shore. Adopt the utility model discloses a ribbed groove ground props construction equipment both can regard as the hidden stay at the bottom of the foundation ditch hole to support enclosure piling wall formation, will support and unite two into one at the bottom of the hole reinforcement, can prevent again when foundation ditch earthwork excavation that the crowded disconnected hole of engineering stake from carrying out the hole reinforcement in advance, reduce engineering cost, conveniently dig soil, convenient construction, reduction time limit for a project.

Description

Construction equipment for floor support with rib groove

Technical Field

The utility model relates to a civil engineering technical field, in particular to foundation ditch engineering technical field specifically is construction equipment who takes rib groove bracing.

Background

The existing traditional method for reinforcing the soil body at the bottom of a foundation pit usually adopts a method of occluding and lapping a plurality of vertical cylindrical cement soil reinforcing bodies, and has the following problems:

first, the ergonomics is not high. The high-pressure jet grouting pile machine frequently connects and unloads the drill rod, frequently moves the machine and relocates, the work efficiency is lower; the mixing pile machine repeatedly stirs up and down, and the machine is frequently moved to influence the efficiency.

Second, material is wasted. When the reinforcing bodies are required to provide horizontal supporting force, for example, engineering piles in soft soil are prevented from being extruded and broken during earthwork excavation, or a foundation pit enclosure pile wall is horizontally supported at the bottom of a pit, in the prior art, the vertical cylindrical reinforcing bodies are meshed and overlapped, each protruding arc part (part of a cylinder) is invalid, and hollow stirring of the stirring piles in the soil above the bottom of the foundation pit is invalid, so that the traditional reinforcing technology is not economical.

In addition, in the vertical cylindrical reinforcing body constructed and manufactured by the traditional cement soil reinforcing method, mechanical equipment frequently moves in the horizontal direction to be repositioned, positioning errors are inevitable, the errors exist in all directions, namely the upper direction, the lower direction, the left direction and the right direction, and when the reinforcing body is required to provide horizontal supporting force, the effective section of the reinforcing body is weakened.

In recent years, some horizontal reinforcement devices are provided, but deep and large end wells need to be manufactured, construction equipment is completely arranged in a well and is completed through pipe jacking or manufacturing horizontal cement soil reinforcement bodies, the end wells need reinforcement and enclosure, the cost is high, and the horizontal reinforcement device is not economically applicable to reinforcement of shallow foundation pit soil bodies.

The utility model discloses a new soil body reinforcement equipment and method that is suitable for less shallow foundation ditch will be disclosed and this problem is solved, and the underground hidden stay of ribbed groove (this writing is called "ribbed groove ground stay" for short) construction equipment promptly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the shortcoming among the above-mentioned conventional art, providing one kind can be under construction fast, dig conveniently, the degree of safety is higher and save the new soil body reinforcement equipment of cost, and the ribbed groove props construction equipment promptly.

In order to achieve the above object, the utility model discloses a ribbed groove bracing construction equipment adopts following technical scheme:

ribbed groove ground strut include ground strut and rib groove, the ground strut is generally that the construction is accomplished before foundation ditch earthwork excavates completely, set up the strip reinforcement body of the degree of depth in the soil body in the foundation ditch in the horizontal direction, the ground strut is advanced the back by construction equipment in the soil body along the horizontal direction and forms, reinforcement body top surface forms the rib groove when advancing by construction equipment self level between the ground terrace, rib groove and reinforcement body equidimension, ribbed groove ground strut construction equipment contains the grooving propeller, ground strut former and attached power device, the grooving propeller forms the rib groove in the soil body horizontal direction propulsion, the ground strut former forms the ground strut, attached power device is used for the driving device operation and the horizontal direction removal, grooving propeller and ground strut are located the rib groove below the ground terrace during the construction, attached power device is located above the ground terrace place. The ground terrace can be a natural terrace or a terrace after soil unloading.

The ribbed groove ground brace is made of cement soil and is positioned below the foundation slab and the concrete cushion, and the width of the cross section of the ground brace is greater than that of the cross section of the ribbed groove.

The rib groove is a groove formed when the construction equipment is horizontally pushed, a horizontal moving channel is provided for the construction equipment, a stiffening core (reinforcements such as concrete, log, steel members and construction waste) is placed into the ground support from a ground floor through the rib groove, cement soil in the rib groove is solidified to form a rib plate, powerful support is provided for the enclosure pile wall in the slope releasing stage, the horizontal length of the slope releasing is reduced, the length of the ground support is reduced, and the cost is reduced.

The strip-shaped reinforcing bodies are columnar reinforcing bodies arranged in the horizontal direction, the columns are cylinders or polygonal columns with equal sections, and the polygonal columns are cylinders with polygonal cross sections. The horizontal propelling speed and the pressure and the flow rate of the jet flow can be adjusted according to design requirements, and a variable cross-section reinforcing body required by the design (preset) is formed. The utility model discloses the variable cross section that forms is the design needs, is different from the protrusion circular arc part behind the vertical cylinder interlock of prior art, and the latter is the careless and additional that form of current construction technology. The constant cross section and the predetermined variable cross section are collectively referred to as a predetermined (cross) section.

The grooving propeller of the ribbed groove ground support construction equipment is provided with a group of horizontal first high-pressure nozzles on a first high-pressure injection pipe (a spray pipe for short) which is vertically arranged, at least one of each group sprays a grooving jet flow to the front when the propeller is propelled in the horizontal direction, namely, a ribbed groove is formed by spraying high-pressure airflow, high-pressure water flow or cement slurry flow, and the high-pressure airflow, the high-pressure water flow or the cement slurry flow are collectively called as the grooving jet flow. And when the moving distance is greater than the distance between adjacent high-pressure nozzles, the grooving jet flow completes the upper and lower groove-shaped jetting range, and destroys the soil body to form a rib groove.

Optionally, a serrated steel plate (herein, referred to as a toothed plate) may be disposed between the first high-pressure nozzles on the vertically disposed first high-pressure nozzles, and the trenching propeller may cut a soil body when reciprocating up and down to accelerate trenching.

The ground strut forming device of the ribbed groove ground strut construction equipment is provided with a group of second high-pressure spray pipes, each group comprises at least one second high-pressure spray nozzle in a preset direction, each second high-pressure spray nozzle is at least provided with one second high-pressure spray nozzle in a preset direction, the second high-pressure spray nozzles are sprayed into a ground strut jet flow in the preset direction within the depth range of the ground strut to form the ground strut, and the high-pressure air flow, the high-pressure water flow or the cement slurry flow for forming the ground strut are collectively called. The predetermined direction may be perpendicular to the advancing direction, or may be at an acute or obtuse angle to the advancing direction).

The trenching thruster and the ground strut former can be arranged separately or integrated into a whole, such as a truss form or a perforated pipe form, when the trenching thruster and the ground strut former are integrated, the trenching thruster and the ground strut former reciprocate up and down together, and the distance of one-way movement is the height of the ground strut. When the rigidity of the truss needs to be strengthened, a strengthening rod piece can be additionally arranged and is made of steel pipes or section steel. The high-pressure spray pipe is made of steel, alloy or high-strength plastic and can be assembled by multiple sections. The direction of the jet flow of the grooving and the jet flow of the ground strut is vertical.

Optionally, according to engineering requirements, the axis of the high-pressure nozzle may form an included angle with the vertical line. This case is also referred to as vertical.

The construction equipment can be arranged in the soil body by utilizing the original vertical pile hole or the manually made vertical hole in the soil body, and the soil body is directly pulled out after the construction is completed by horizontal pushing.

The auxiliary power device consists of a conventional power device and a conventional transmission device, wherein the conventional power device can be an electric motor or an internal combustion engine, the conventional transmission device can be a gear type, a rack type, a belt type or a chain type, and the like, the conventional power device drives the conventional transmission device to drive the grooving thruster and the ground support former to advance along the horizontal direction and reciprocate up and down to form a rib groove and a ground support. When the number of nozzles of the grooving pusher and the ground support forming device is large enough, the grooving pusher and the ground support forming device can be directly pushed horizontally without reciprocating up and down. The auxiliary power device can be arranged on a conventional crawler-type or wheel-type platform, and also can be arranged on two horizontal guide rails (guide rails for short) parallel to the direction of the rib grooves to propel horizontally. When the latter guide rail mode is adopted, the guide rail can be accurately positioned, and the deformation of the guide rail is extremely small, so that the construction position of the ground support can be extremely accurate, the ground support is far superior to a conventional crawler-type or wheel-type platform, and the manufacturing cost of the equipment is lower. The guide rail material is steel structure material such as steel pipes and section steel or other suitable materials such as high-strength plastics.

The beneficial effects of the utility model are that, compare with prior art, the ribbed groove ground props construction equipment has following advantage:

1. the construction speed is faster: the ribbed groove ground support construction equipment is horizontally pushed in the soil body, and the soil body does not need to be pulled out, so that the efficiency is higher.

2. The reinforcement cost is lower: the ribbed grooved ground support construction equipment is horizontally pushed in the soil body to form a reinforcing body with a horizontal uniform section, and the horizontal pushing speed and the pressure and flow of a jet flow can be adjusted according to needs to form a variable-section reinforcing body required by design, so that materials are effectively utilized, and the cost is saved.

3. The construction is more accurate: the ribbed groove ground support construction equipment is horizontally pushed in the soil body, a guide rail can be arranged on the ground, the construction equipment is accurately guided to move forward, and the vertical error and the horizontal error are very small.

In a word, adopt the utility model discloses a ribbed groove ground props construction equipment all has showing the progress than prior art in economic nature, accuracy, convenience and agility.

Drawings

Fig. 1 is a longitudinal section of the ribbed groove ground support of the utility model (after the ground support construction is completed and before the soil body is excavated).

Fig. 2 is a cross sectional view of the ribbed groove ground support of the utility model (before soil body excavation after ground support construction is completed).

FIG. 3 is a longitudinal section of the ribbed groove bracing for construction equipment of the present invention.

Fig. 4 is a horizontal cross-sectional view of the construction equipment of the present invention (the trenching thruster and the ground support former are each a nozzle pipe).

Fig. 5 is a horizontal cross-sectional view of the construction equipment of the present invention (the grooving thruster and the bracing former nozzle are integrated).

Fig. 6 is a horizontal cross-sectional view of the construction equipment of the present invention (the floor brace forming device is two nozzles).

Fig. 7 is a horizontal cross-sectional view of the construction equipment of the present invention (the trenching thruster and the ground support former are combined into a single multi-nozzle pipe).

Fig. 8 is a horizontal cross-sectional view of the construction equipment of the present invention (the nozzle of the strut former is a one-sided nozzle).

Fig. 9 is a side elevation view of the construction equipment of the present invention (one nozzle for each of the trenching thrusters and the shoring former including the guide rails).

Fig. 10 is a front elevation view of the construction equipment (including the guide rail) according to the present invention.

Fig. 11 is a front elevation view of the construction equipment of the present invention (the nozzle of the floor brace forming device is a one-side nozzle).

Fig. 12 is a side elevation view of the construction equipment of the present invention (integrated with reinforcing bars in the form of a truss).

Fig. 13 is a side elevation view of the present invention (construction equipment with toothed plate for trenching thruster).

Reference numerals:

1 enclosure pile wall

2 ground brace

21 rib groove

Undisturbed soil in 3 pits

4 grooving propeller

5 bracing former

6 grooved jet

7-step support jet flow

8 grooving propeller and ground support forming device

9 guide rail

10 reinforcing bar

11 natural terrace

12 auxiliary power unit

Detailed Description

In order to clearly understand the technical contents of the present invention, the following embodiments are specifically illustrated in detail.

Referring to fig. 1 to 13, one end of the ribbed-groove ground support props against a fender post wall 1, the ribbed-groove ground support is provided with a ground support 2 and a rib groove 21, the ground support 2 is located below a pit bottom, the rib groove 21 is located above the ground support 2, a grooving propeller 4 of the ribbed-groove ground support sprays a grooving jet flow 6 to form a rib groove 21, and a ground support former 5 sprays a ground support jet flow 7 to form the ground support 2. The trenching propeller 4 and the ground brace former 5 are positioned in a rib groove 21 below the natural terrace 11, and the attached power equipment and the transmission equipment drive the trenching propeller 4 and the ground brace former 5 to horizontally propel on a guide rail 9 above the natural terrace 11. The grooving thruster and the floor brace former 8 can combine the grooving thruster 4 and the floor brace former 5 into one, which is the simplest form. The trenching thruster 4 and the shoring former 5 may be assembled in sections and may be in the form of a truss with the addition of a reinforcement bar 10.

Example 1

The first step is as follows: and (3) paying off on site, forming holes manually, erecting a guide rail, leveling and positioning, and assembling a groove propeller and a ground support former at the same time.

The second step is that: the lower ends of the grooving thruster and the ground strut former are arranged in the holes by utilizing a pile hole or a manual hole, and the upper ends of the grooving thruster and the ground strut former are arranged on the guide rail and are assembled with a conventional power device and a transmission device; the trenching thruster and the ground strut former are connected with a high-pressure pump.

The third step: starting the high-pressure pump to start pumping high-pressure water, gas or cement slurry, then starting the conventional power device to start running, and driving the equipment to move horizontally while reciprocating up and down.

A fourth step of: and completing the construction of one floor support by using the floor support construction equipment with the rib groove, hoisting the equipment by using a crane, and starting the construction of the other floor support with the rib groove at a new position.

The utility model discloses a ribbed groove bracing construction equipment has created new soil body reinforcement technique and method, not only is applicable to soft soil region shoal foundation pit and struts, is suitable for the hole end soil body reinforcement of shoal foundation pit moreover, compares with prior art, reduces engineering cost, reduces construction period, construction precision and promotes, has wide application prospect.

In this specification, the invention has been described with reference to specific embodiments thereof. It will, however, be evident that various modifications and changes may be made thereto without departing from the broader spirit and scope of the invention. The specification and drawings are, accordingly, to be regarded in an illustrative rather than a restrictive sense.

Claims

1. The utility model provides a be used for reinforced (rfd) ribbed groove ground of foundation ditch soil body to prop construction equipment, a serial communication port, ribbed groove ground prop construction equipment be used for forming ribbed groove ground prop, ribbed groove ground prop and include ground prop and rib groove, ribbed groove ground prop construction equipment contain grooving propeller, ground prop former and auxiliary power device, grooving propeller set to horizontal propulsion in the soil body, form ribbed groove, ground prop the former and be used for forming the ground prop, auxiliary power device be used for driving construction equipment's operation and removal, when the construction, grooving propeller with ground prop the former in the rib groove below the terrace, auxiliary power device be located the terrace above.

2. The ribbed groove ground brace construction equipment according to claim 1, wherein the ground brace formed by the ground brace forming device is a strip-shaped reinforcing body with a set depth in the soil body in the foundation pit along the horizontal direction, the cross section width of the ground brace is larger than that of the rib groove, the strip-shaped reinforcing body is a columnar reinforcing body arranged in the horizontal direction, the columnar shape is a column with a preset cross section or a polygonal column, and the polygonal column is a column with a polygonal cross section.

3. The ribbed slotted wale construction equipment according to claim 1, wherein said slotted thruster is configured such that said construction equipment itself forms said ribbed slot when horizontally pushed for providing a passage for horizontal movement of the construction equipment.

4. The ribbed-groove bracing construction equipment according to claim 1, wherein the trenching thruster has a vertically-disposed first high-pressure nozzle having a set of horizontally-oriented first high-pressure nozzles, each set of first high-pressure nozzles having at least one first high-pressure nozzle, such that the trenching thruster projects a trenching jet forward when propelled horizontally.

5. The ribbed slotted wale construction equipment according to claim 4, wherein a toothed plate is provided between the first high pressure nozzles so that cutting soil is accelerated to be slotted when the trenching thruster reciprocates up and down.

6. The ribbed grooved wale construction equipment according to claim 1, wherein the wale forming machine has a set of second high pressure nozzles, each set of second high pressure nozzles having at least one second high pressure nozzle, each second high pressure nozzle having at least one second high pressure nozzle, so that the wale forming machine sprays a wale jet flow in a predetermined direction within a depth range of the wale to form the wale.

7. The ribbed trench wale construction equipment as set forth in claim 1, wherein a predetermined variable sectional reinforcement is formed by adjusting a horizontal propelling speed and a pressure and flow rate of a jet flow.

8. The ribbed grooved wale construction equipment according to claim 1, wherein the grooving pusher and the wale former are separately provided.

9. The ribbed grooved wale construction equipment according to claim 1, wherein the grooving pusher and the wale forming machine are integrated into one body.

10. The ribbed slotted wale construction equipment according to claim 1, wherein the construction equipment is horizontally advanced on a horizontal guide rail parallel to the direction of the ribbed slot.