CN219119165U - Soil accumulation and falling prevention device for rotary digging pile hole - Google Patents

Abstract

The utility model discloses a soil accumulation and drop stopping device for rotary digging pile holes, which comprises a support arranged on the outer side of the upper part of a pile body, wherein a protection mechanism is arranged on the outer side of the support, the protection mechanism comprises a top plate and a protective cover, an elastic clamping plate is arranged on the outer side of the support, a clamping block is arranged on the outer side of the bottom end of the elastic clamping plate, the clamping block is correspondingly clamped into a clamping groove formed in the inner wall of the protective cover, the outer side of the protective cover is connected with a drop stopping mechanism through a hinge shaft, the drop stopping mechanism comprises a plurality of connecting rods which are arranged on the outer side of the protective cover in an umbrella rib shape, and the inner side of each connecting rod is connected with a drop stopping cover. The protective cover is fixed outside the bracket, and meanwhile, the clamping block can be extruded under the action of the screw rod, so that the clamping block is automatically separated from the clamping groove, and the protective mechanism can be jacked up under the action of the first spring, so that the protective mechanism can be conveniently detached and replaced.

Description

Soil accumulation and falling prevention device for rotary digging pile hole

Technical Field

The utility model relates to the technical field of pile hole soil accumulation and drop stopping equipment, in particular to a soil accumulation and drop stopping device for a pile hole.

Background

The rotary pile is a pile type constructed by a rotary drilling rig, namely, the rotary drilling bored concrete pile is fully called, and the rotary pile is used for short in engineering, so that the requirement on the number of workers is low due to the use of mechanical operation, and great labor cost can be saved, so that the rotary pile is widely applied to foundation pile construction of highways, railways, bridges and large-scale buildings in China. The rotary drilling machine is adopted to form holes, firstly, rock and soil are broken through the rotation of a barrel-type drill bit with a valve at the bottom, the rock and soil are directly put into a drilling bucket, then the drilling bucket is lifted out of the holes by a drilling machine lifting device and a telescopic drill rod to discharge soil, and the rotary drilling machine is circularly reciprocated to continuously take out the soil and discharge the soil until the drilling depth reaches the design depth. Publication No. CN203097780U proposes an inverted umbrella-shaped accumulated soil falling stopping device for rotary digging pile holes, which is characterized in that a tray with an annular structure is circumferentially arranged on the outer wall of a straight pipe section of a rotary digging pile shell, and the outer edge of the tray with the annular structure is consistent with the shape and the size of the rotary digging pile holes in an opening state. When needs, open skeleton and layer board, form the median and hold with the pine soil, avoid digging soon the stake hole upper portion layer that loosens soil and fall into dig soon stake hole bottom soon and cause hidden danger to foundation pile quality, but the device is fixed on the pile body to the mechanism that ends when using, when stopping mechanism to break down, inconvenient dismantles the maintenance, and the replacement cost is higher. For this purpose, we propose a soil accumulation and fall prevention device for rotary digging pile holes.

Disclosure of Invention

The utility model aims to provide a soil accumulation and drop prevention device for rotary digging pile holes, which is used for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a device that falls is stopped to long-pending soil for dig stake hole soon, is including installing the support in pile body upper portion outside, the support outside is provided with protection machanism, protection machanism includes roof and protection casing, the support outside is provided with the elastic clamping board, the elastic clamping board bottom outside is provided with the fixture block, the fixture block corresponds the card and goes into in the draw-in groove that the protection casing inner wall was seted up, the protection casing outside is connected with through the hinge and ends the mechanism that falls, it includes a plurality of connecting rods that are the rib form and arrange in the protection casing outside to end the mechanism that falls, the connecting rod inboard is connected with ends the cover that falls.

Preferably, the pile body consists of a straight pipe at the upper part and a reinforcement cage at the lower part.

Preferably, a fixed plate is arranged on the lower side of the top plate, and a first spring is arranged on the lower side of the fixed plate.

Preferably, the protective cover on the side surface of the clamping groove is connected with a screw in a threaded manner.

Preferably, a balancing weight is arranged outside the movable end of the connecting rod.

Preferably, the connecting rod is connected with the protective cover through a second spring.

Compared with the prior art, the utility model has the beneficial effects that: this kind of a device that falls is only to long-pending soil for dig stake hole soon, structural design is simple reasonable, have stronger practicality, through set up protection machanism outside the support of stake body outside, under the effect of elastic clamping plate, fixture block, draw-in groove isotructure, make the protection casing fix outside the support, can extrude the fixture block simultaneously under the effect of screw rod, make the fixture block break away from in the draw-in groove voluntarily, can jack up protection machanism under the effect of first spring this moment, thereby can conveniently dismantle the change to protection machanism, through setting up the connection pole in the protection machanism outside and the locking mechanism that the cover constitutes that ends, can drive through the connection pole and end that the cover is automatic to open at the during operation, thereby can receive the earth that the top falls in the cover upper portion area that ends, and then realize preventing that the earth from falling to the inside purpose of stake body, thereby improve the pile quality that takes shape.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is an enlarged schematic view of the structure a in fig. 1 according to the present utility model.

Fig. 3 is a schematic view of the structure of the fall arrest mechanism of the present utility model when opened.

In the figure: 1 pile body, 101 straight pipe, 102 steel reinforcement cage, 11 support, 12 protection machanism, 121 roof, 122 protection casing, 13 fixed plate, 14 first spring, 15 elastic clamping plate, 16 fixture block, 17 draw-in groove, 18 screw rods, 19 hinge, 2 fall stopping machanism, 201 connecting rod, 202 fall stopping cover, 21 balancing weight, 22 second spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a device that falls is stopped to long-pending soil for dig stake hole soon, includes the support 11 of installing in pile body 1 upper portion outside, specifically, support 11 adopts detachable connected mode to install on pile body 1, for example can lock support 11 on pile body 1 through the mode of bolt location, in concrete work progress, can adjust the height of support 11 according to the degree of depth of pile body 1 to the effect that falls is stopped to the soil that meets of realization not co-altitude.

The protection machanism 12 is provided with in the support 11 outside, protection machanism 12 includes roof 121 and protection casing 122, the support 11 outside is provided with elastic clamping plate 15, elastic clamping plate 15 bottom outside is provided with fixture block 16, fixture block 16 corresponds the card and goes into in the draw-in groove 17 that the protection casing 122 inner wall was seted up, through the support 11 outside at the pile body 1 outside set up protection machanism 12, under the effect of structures such as elastic clamping plate 15, fixture block 16, draw-in groove 17, make protection casing 122 fix outside support 11, can extrude fixture block 16 simultaneously under the effect of screw rod 18, make fixture block 16 follow the draw-in groove 17 in automatic break away from, can jack-up protection machanism 12 under the effect of first spring 14 this moment, thereby can conveniently dismantle the change to protection machanism 12.

The protection casing 122 outside is connected with through the hinge 19 and ends mechanism 2 that falls, ends mechanism 2 and includes a plurality of connecting rods 201 that are the rib form and arrange in the protection casing 122 outside, and the connecting rod 201 inboard is connected with ends cover 202 that falls, and the connecting rod 201 outside is bound fixedly through the constraint mechanism, and it is fixed that the mechanism 2 that falls to end, through setting up the connecting rod 201 outside protection machanism 12 and ending the mechanism 2 that falls that mechanism 202 constitutes that falls, can drive through connecting rod 201 and end the automatic opening of cover 202 that falls to can receive the earth that falls at the top and fall cover 202 upper region, and then realize preventing that the soil falls to the inside purpose of pile body 1, thereby improve the pile quality that takes shape.

Further, the pile body 1 is composed of a straight pipe 101 at the upper part and a steel reinforcement cage 102 at the lower part.

Further, a fixing plate 13 is provided on the lower side of the top plate 121, and a first spring 14 is provided on the lower side of the fixing plate 13.

Further, the screw 18 is screwed on the protective cover 122 on the side of the clamping groove 17, specifically, a knob is provided at the outer end of the screw 18, and the knob can be rotated from the outside to drive the screw 18 to rotate so as to adjust the relative position of the screw 18, and the clamping block 16 is ejected out of the clamping groove 17 through the screw 18.

Further, the outside of the movable end of the connecting rod 201 is provided with a balancing weight 21, the balancing weight 21 is installed on the outside of the upper portion of the connecting rod 201, and when the pile body is constructed, the connecting rod 201 is driven to open outwards around the hinge shaft 19 under the action of gravity of the balancing weight 21, so that an umbrella-like action is formed, and soil falling from the upper portion is received through the open falling-stopping cover 202.

Further, the connecting rod 201 is connected to the protection cover 122 through the second spring 22, and the second spring 122 serves to improve the connection stability.

Working principle:

this kind of a device that ends that is used for digging pile hole soon, when using, pile body 1 sinks to dig the downthehole effect that plays the frame location soon, protection machanism 12 adopts the mode of lock joint to fix in the support 11 outside, the tie-down mechanism that ends the mechanism 2 outside is cancelled fixedly this moment, under the action of gravity, balancing weight 21 drives connecting rod 201 and outwards opens around hinge 19, form the action of opening umbrella-like, receive the earth that upper portion falls through the cover 202 that ends that opens, thereby avoid outside earth to slide down and get into pile body 1, then can pour the concrete body through branch pipe 101, the external earth in this process can not slide down, the purpose of guaranteeing the pile quality has been reached, and can adjust the relative height of protection machanism 12 and pile body 1 according to the construction environment, when needs dismantlement end mechanism 2, the simultaneous dismantlement with protection machanism 12, this moment the user rotates fixture block 16 from outside, make fixture block 16 break away from inside from draw-in groove 17, can jack up protection machanism 12 under the effect of first spring 14, the purpose that has reached convenient change.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a device that falls is stopped to long-pending soil for dig stake hole soon, includes support (11) of installing in stake body (1) upper portion outside, its characterized in that: the utility model discloses a protective device for the automobile, including support (11) and protection casing, protection casing (12) are provided with protection machanism (12) in the support (11), protection casing (12) are including roof (121) and protection casing (122), support (11) outside is provided with elastic clamping board (15), elastic clamping board (15) bottom outside is provided with fixture block (16), fixture block (16) correspond in draw-in groove (17) that the card was offered into protection casing (122) inner wall, protection casing (122) outside is connected with through hinge (19) and ends falling mechanism (2), it is including a plurality of connecting rods (201) that are the rib form and arrange in protection casing (122) outside to end falling mechanism (2), connecting rod (201) inboard is connected with ends falling cover (202).

2. The soil accumulation and fall prevention device for rotary digging pile holes according to claim 1, wherein: the pile body (1) consists of a straight pipe (101) at the upper part and a reinforcement cage (102) at the lower part.

3. The soil accumulation and fall prevention device for rotary digging pile holes according to claim 1, wherein: the fixed plate (13) is arranged on the lower side of the top plate (121), and the first spring (14) is arranged on the lower side of the fixed plate (13).

4. The soil accumulation and fall prevention device for rotary digging pile holes according to claim 1, wherein: the protective cover (122) on the side face of the clamping groove (17) is connected with a screw rod (18) in a threaded mode.

5. The soil accumulation and fall prevention device for rotary digging pile holes according to claim 1, wherein: the outer side of the movable end of the connecting rod (201) is provided with a balancing weight (21).

6. The soil accumulation and fall prevention device for rotary digging pile holes according to claim 1, wherein: the connecting rod (201) is connected with the protective cover (122) through a second spring (22).

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