CN215160435U - Deep basal pit excavation material overhead hoist - Google Patents

Abstract

The utility model discloses a deep foundation pit excavation material lifting device, which comprises a main frame erected right above a foundation pit, wherein the main frame is composed of four main supporting legs and a lifting platform arranged at the tops of the four main supporting legs, a winch is arranged on the lower surface of the lifting platform, one side of the lifting platform extends outwards to keep away from the foundation pit, auxiliary supporting legs are respectively arranged on two sides of the extending end of the lifting platform, and the bottoms of the main supporting legs and the auxiliary supporting legs incline outwards to form a splayed structure between two adjacent supporting legs; the hoisting machine comprises a main frame and a hoisting platform, wherein a hoisting machine rail is fixedly arranged under the hoisting platform along the extending direction of the hoisting platform, one end of the hoisting machine rail is positioned outside a foundation pit, the hoisting machine is arranged on the hoisting machine rail and can move back and forth along the hoisting machine rail, and a transportation channel is formed on one surface of the main frame facing the auxiliary supporting leg. The utility model discloses easy dismounting effectively improves earthwork transport efficiency and security in the deep basal pit.

Description

Deep basal pit excavation material overhead hoist

Technical Field

The utility model relates to a foundation ditch excavation technology field in the building, concretely relates to deep basal pit excavation material overhead hoist.

Background

In engineering construction, excavation of deep foundation pits often requires manual work for various reasons. At present, when a foundation pit is dug manually, a support needs to be erected above the foundation pit in advance, then a small winch is installed in the center of the support, and earthwork excavated in the foundation pit is transported out by adopting a small winch material lifting mode. In the process of transporting out earthwork in a foundation pit, when a bucket loading the earthwork is lifted to the position right above the foundation pit through a small winch, the bucket is suspended above the foundation pit, usually, an external worker of the foundation pit grasps the bucket with a hand or hooks the bucket by a worker on the basis of a tool to pull outwards the foundation pit with force, meanwhile, a part of a steel wire rope of the winch needs to be lengthened, and the bucket generates pulling force through the worker, so that the bucket falls outside the foundation pit, and the earthwork in the foundation pit is transported out once. However, when a worker pulls the bucket, when the earthwork in the bucket is loaded too much, the earthwork in the bucket is easy to fall around the foundation pit or in the foundation pit, and personal injury is caused to the worker in the foundation pit; when the earthwork in the bucket is loaded too little, the earthwork in the bucket is not easy to drop, but the times of transporting the earthwork in the foundation pit are increased, and the working time is prolonged. Therefore, when the foundation pit is excavated manually at present, the earth transportation efficiency is low, the safety is not high, and further improvement and optimization are needed.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a deep basal pit excavation material overhead hoist that can effectively improve earthwork in the deep basal pit and transport efficiency and security.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a deep foundation pit excavation material lifting device comprises a main frame erected right above a foundation pit, wherein the main frame is composed of four main supporting legs and a lifting platform arranged at the tops of the four main supporting legs, a winch is arranged on the lower surface of the lifting platform, one side of the lifting platform extends outwards to be away from the foundation pit, auxiliary supporting legs are respectively arranged on two sides of the extending end of the lifting platform, and the bottoms of the main supporting legs and the auxiliary supporting legs incline outwards to form a splayed structure between every two adjacent supporting legs; the hoisting machine comprises a main frame and a hoisting platform, wherein a hoisting machine rail is fixedly arranged under the hoisting platform along the extending direction of the hoisting platform, one end of the hoisting machine rail is positioned outside a foundation pit, the hoisting machine is arranged on the hoisting machine rail and can move back and forth along the hoisting machine rail, and a transportation channel is formed on one surface of the main frame facing the auxiliary supporting leg.

Furthermore, the bottom ends of the main supporting leg and the auxiliary supporting leg are respectively in threaded connection with universal adjusting supporting legs; the universal adjusting support leg is composed of a foot plate and a universal ball-head screw rod, the ball-head end of the universal ball-head screw rod is rotatably connected with the foot plate, and the other end of the universal ball-head screw rod is a threaded end and is in threaded connection with the bottom end of the corresponding main support leg or the bottom end of the corresponding auxiliary support leg.

Furthermore, the bottom end of at least one main supporting leg or one auxiliary supporting leg is in threaded connection with the universal adjusting supporting leg through an adjusting rod; one end of the adjusting rod is in threaded connection with the bottom end of the corresponding main supporting leg or the auxiliary supporting leg, and the other end of the adjusting rod is in threaded connection with the threaded end of the universal ball screw.

Furthermore, the hoisting platform is of a rectangular frame structure formed by connecting four steel materials end to end, and two adjacent steel materials are fixed at four inner corners of the rectangular frame structure through first connecting pieces; the steel that two long limits of rectangle frame structure correspond is first steel, and the steel that two broadsides correspond is the second steel, and the interval evenly is provided with many third steels parallel with the second steel in the rectangle frame structure, and the hoist engine track both ends are installed on two second steels, and the hoist engine track middle part is connected and is consolidated through third connecting piece and third steel.

Further, a lower cross bar is fixedly arranged between the bottoms of the two auxiliary supporting legs; except the surface where the transport channel is located, an upper cross rod, a middle cross rod and a lower cross rod are sequentially arranged between the two adjacent main support legs on the other three surfaces of the four main support legs from top to bottom at intervals.

Furthermore, the steel is square hollow stainless steel, and T-shaped sliding grooves are formed in the upper, lower, left and right four sides of the steel along the length direction; the first connecting piece comprises two first connecting plates with the same shape, the two first connecting plates are perpendicular to each other, reinforcing blocks are symmetrically arranged at the left and right sides of a right angle face of the first connecting plate, a first through hole is formed in the middle of the upper surface of each first connecting plate, first bolts are slidably connected in T-shaped chutes of corresponding faces of the first steel and the second steel respectively and penetrate through the first through holes in the two first connecting plates respectively and are locked and fixed through first screw caps.

Furthermore, the top ends of the main support leg and the auxiliary support leg are fixedly mounted with first steel through second connecting pieces respectively, each second connecting piece comprises a first U-shaped plate and a second connecting plate, the middle part of the lower surface of each second connecting plate is fixedly connected with the top end of the corresponding main support leg or the corresponding auxiliary support leg, the U-shaped opening of each first U-shaped plate is downward, the lower ends of the two side plates are horizontally bent outwards to form a left ear plate and a right ear plate, the opening size of each first U-shaped plate is matched with that of the corresponding first steel and clamped on the corresponding first steel through the opening of the corresponding first U-shaped plate, the height of the outer side surface of each first U-shaped plate is the same as the thickness of the corresponding third steel, a second through hole is formed in the middle part of the bottom surface of each first U-shaped plate, a third bolt is slidably connected in a T-shaped chute in the upper surface of the corresponding first steel, and penetrates through a second through hole in the first U-shaped plate and is locked and fixed through a third screw cap; the left and right ends of the first U-shaped plate, the left and right ear plates and the second connecting plate are respectively provided with third through holes in one-to-one correspondence with each other, and the left and right ear plates and the second connecting plate of the first U-shaped plate are connected through second bolts penetrating through the corresponding third through holes and are locked and fixed by second nuts.

Furthermore, both ends are fixed with the first steel installation that corresponds the side through the third connecting plate respectively about the third steel, and both ends erect respectively on the otic placode of the corresponding side of the first U template that corresponds about the third steel, and third connecting plate one end is passed through the bolt and is connected with third steel end connection, and the third connecting plate other end passes through the bolt and is connected with first steel.

Furthermore, the cross section of the winch track is of an I-shaped structure, a third connecting piece for connecting the winch track and third steel is a second U-shaped plate, the opening of the second U-shaped plate is downward, the size of the second U-shaped plate is matched with the size of the third steel, the lower ends of two side plates of the second U-shaped plate are outwards and horizontally bent to form a left ear plate and a right ear plate, the left ear plate and the right ear plate and the upper flange of the winch track are provided with fourth through holes which are in one-to-one correspondence with each other at the left end and the right end respectively, the opening of the second U-shaped plate is clamped on the third steel, and the left ear plate and the right ear plate of the second U-shaped plate and the upper flange of the winch track are connected through bolts penetrating through the corresponding fourth through holes and locked by nuts.

Furthermore, every vice landing leg comprises two sections connecting rods, and two sections connecting rods and the corresponding sheer pole of every vice landing leg pass through T type union coupling, and T type intraductal diameter of pipe cooperatees with the external diameter of connecting rod and sheer pole respectively, and two connecting rods peg graft in the upper and lower pipe orifices of T type pipe, and T type pipe side mouth of pipe interpolation meets the sheer pole, and T type pipe and connecting rod and sheer pole junction are fixed through bolt and nut locking respectively.

To sum up, the beneficial effects of the utility model reside in that:

1. the hoisting platform is used as a hoisting machine track mounting crossbeam, the main frame and the auxiliary supporting legs are used as left and right supporting arms of the hoisting platform, and the hoisting bucket for loading earthwork in the foundation pit is hoisted to the outside of the foundation pit by controlling the mobile hoisting machine, so that workers are prevented from contacting the hoisting bucket suspended right above the foundation pit, and the earthwork delivery efficiency and safety in the deep foundation pit are effectively improved.

2. The utility model adopts the universal ball screw, on one hand, the length of the landing leg can be adjusted when the ground is uneven, so that each landing leg participates in the supporting stress, and the stability of the bracket is ensured; on the other hand, the foot plate can realize a larger stress surface through the universal adjustment of the ball end of the universal ball head screw. When the height difference between the ground of each supporting leg is large and the universal ball screw cannot be adjusted, the adjusting rod can be additionally arranged on the supporting leg at a low position, so that the height adjustment in a larger range is realized.

3. The utility model discloses well hoisting platform, main frame and vice landing leg can be broken into a plurality of parts and assemble, do not receive the topography restriction, and the transport is convenient.

Drawings

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic cross-sectional view of the steel material of the present invention;

fig. 4 is a partial enlarged view of fig. 1 at B.

In the figure: the lifting device comprises a main supporting leg 11, an upper cross bar 12, a middle cross bar 13, a lower cross bar 14, a rope ladder lifting ring 15, a conveying channel 16, a protective plate 17, a leak hole 18, a hook 19, a connecting sleeve 20, an auxiliary supporting leg 21, a T-shaped pipe 22, a first steel material 31, a second steel material 32, a third steel material 33, a T-shaped chute 34, a winch track 41, a winch 51, a foot plate 61, a universal ball screw 62, an adjusting rod 63, a first connecting piece 71, a first U-shaped plate 72, a second connecting plate 73, a second U-shaped plate 74, a third connecting plate 75, a first bolt 81, a first nut 82, a second bolt 83, a second nut 84, a third bolt 85 and a third nut 86.

Detailed Description

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

As shown in fig. 1, the deep foundation pit excavation material lifting device in the present embodiment includes a main frame erected directly above a foundation pit, the main frame is composed of four main support legs 11 and a lifting platform installed on top portions of the four main support legs 11, a winch 51 is arranged on a lower surface of the lifting platform, one side of the lifting platform extends outwards to be away from the foundation pit, auxiliary support legs 21 are respectively arranged on two sides of an extending end of the lifting platform, and bottoms of the main support legs 11 and the auxiliary support legs 21 are inclined outwards to form a splayed structure between two adjacent support legs; a winch track 41 is fixedly arranged under the hoisting platform along the extending direction of the hoisting platform, one end of the winch track 41 is positioned outside the foundation pit, the winch 51 is arranged on the winch track and can move back and forth along the winch track, and the main frame forms a transportation channel 16 towards one side of the auxiliary support leg 21.

In this scheme, regard as hoist engine track 41 installation crossbeam with hoisting platform, main frame and vice landing leg 21 support arm about as hoisting platform, as the transport passageway of earthwork between main frame and the vice landing leg 21, both parallel have guaranteed the width of passageway. When the hoist 51 lifts the bucket loaded with earthwork to the position right above the foundation pit, the hoist 51 is driven to move transversely along the hoist rail 41 by driving the transverse moving motor on the hoist 51, the bucket loaded with earthwork is moved to the outside of the foundation pit from the position right above the foundation pit through the transportation channel 16, and therefore the problem that a worker directly holds the bucket with hands or hooks the bucket through a tool is avoided, meanwhile, a part of a steel wire rope of the hoist needs to be lengthened, and the workload of the worker is increased. Thereby effectively improving the earthwork transportation efficiency and safety in the deep foundation pit.

Referring to fig. 4, in the present embodiment, the bottom ends of the main leg 11 and the auxiliary leg 21 are respectively connected with universal adjusting support feet in a threaded manner; the universal adjusting support leg is composed of a foot plate 61 and a universal ball-head screw 62, the ball-head end of the universal ball-head screw 62 is rotatably connected with the foot plate 61, and the other end of the universal ball-head screw 62 is a threaded end and is in threaded connection with the bottom end of the corresponding main support leg 11 or the bottom end of the corresponding auxiliary support leg 21.

Therefore, when the height difference between the ground of each supporting leg is small, the length of each supporting leg can be adjusted by adopting the threaded end of the universal ball head screw rod 62, so that each supporting leg participates in stress, and the stability of the support is ensured. When a single supporting leg is contacted with uneven ground, the foot plate 61 can realize a larger stress surface through the universal adjustment of the ball end of the universal ball head screw 62.

Referring to fig. 4, in the present embodiment, the bottom end of at least one of the main leg 11 or the auxiliary leg 21 is connected with the universal adjusting foot through the adjusting rod 63; one end of the adjusting rod 63 is in threaded connection with the bottom end of the corresponding main supporting leg 11 or the auxiliary supporting leg 21, and the other end of the adjusting rod 63 is in threaded connection with the threaded end of the universal ball screw 62.

Therefore, when the height difference between the supporting legs is large and the universal ball head screw 62 cannot be adjusted, the supporting legs placed at a low position can be additionally provided with the adjusting rod 63, so that height adjustment is realized, all the supporting legs are stressed, and the stability of the support is ensured.

In the specific embodiment, the hoisting platform is formed by connecting four steel materials end to form a rectangular frame structure, and two adjacent steel materials are fixed at four inner corners of the rectangular frame structure through first connecting pieces; the steel that two long limits of rectangular frame structure correspond is first steel 31, and the steel that two broadsides correspond is second steel 32, and the interval evenly is provided with many third steel 33 parallel with second steel 32 in the rectangular frame structure, and install on two second steel 32 at hoist engine track 41 both ends, and hoist engine track middle part is connected and is consolidated through third connecting piece and third steel 33.

Like this, two first steel 31 and two second steel 32 four interior angles pass through first connecting piece 71 erection fixation and make to connect solderless, and convenient equipment avoids steel to reduce rigidity through the welding. The middle part of the winch track 41 is connected with the third steel 33 through a third connecting piece, so that the connection strength of the winch track 41 and the third steel 33 is further strengthened.

In the present embodiment, a lower cross bar 14 is fixedly installed between the bottoms of the two auxiliary legs 21; except the surface where the conveying channel 16 is located, an upper cross bar 12, a middle cross bar 13 and a lower cross bar 14 are sequentially arranged between two adjacent main legs 11 on the other three surfaces of the four main legs 11 at intervals from top to bottom.

The two auxiliary supporting legs 21 are of a splayed structure, the lower cross rod 14 is fixedly mounted between the bottoms of the two auxiliary supporting legs 21, the two auxiliary supporting legs 21 are reinforced, and the bottom ends of the two auxiliary supporting legs 21 are prevented from moving to the left side and the right side when the two auxiliary supporting legs are pressed. The upper cross rods 12, the middle cross rods 13 and the lower cross rods 14 are sequentially arranged between the rest two adjacent main supporting legs on three sides of the four main supporting legs 11 at intervals from top to bottom, the four supporting legs 11 are reinforced, and the bottoms of the four main supporting legs are prevented from moving outwards when being pressed.

Referring to fig. 2 and 3, in the present embodiment, the steel is square hollow stainless steel, and T-shaped sliding grooves 34 are formed on the four sides of the steel along the length direction; first connecting piece 71 includes the first connecting plate of two the same shapes, and two first connecting plate mutually perpendicular set up, and its right angle face bilateral symmetry is equipped with the boss, and first through-hole has been seted up at every first connecting plate upper surface middle part, and sliding connection has first bolt 81 in the T shape spout 34 on first steel 31 and the second steel 32 respectively, and first bolt 81 passes the first through-hole on two first connecting plates respectively to it is fixed to lock through first nut 82.

Therefore, the T-shaped sliding grooves 34 are formed in the upper surface, the lower surface, the left surface and the right surface of the steel along the length direction, so that the bolt end caps can conveniently slide in the T-shaped sliding grooves, and the mounting positions can be adjusted; the first steel 31 and the second steel 32 are fixedly installed through the first connecting piece 71, so that welding-free connection is achieved, assembly is convenient, and rigidity reduction of the steels through welding is avoided.

Referring to fig. 2, in the present embodiment, the top ends of the main leg 11 and the auxiliary leg 21 are respectively and fixedly mounted to the first steel 31 through a second connecting member, the second connecting member includes a first U-shaped plate 72 and a second connecting plate 73, the middle portion of the lower surface of the second connecting plate 73 is fixedly connected to the top end of the corresponding main leg 11 or auxiliary leg 21, the U-shaped opening of the first U-shaped plate 72 is downward, the lower ends of the two side plates are bent outward and horizontally to form left and right ear plates, the size of the opening of the first U-shaped plate 72 matches the size of the first steel 31 and is clamped on the first steel 31 through the opening of the first U-shaped plate 72, the height of the outer side surface of the first U-shaped plate is the same as the thickness of the third steel 31, a second through hole is formed in the middle of the bottom surface of the first U-shaped plate 72, a third bolt 85 is connected in a T-shaped sliding groove in the first steel 31 in a sliding mode, and the third bolt 85 penetrates through the second through hole in the first U-shaped plate and is locked and fixed through a third nut 86; third through holes corresponding to each other one by one are respectively formed in the left and right ear plates of the first U-shaped plate 72 and the left and right ends of the second connecting plate 73, and the left and right ear plates of the first U-shaped plate and the second connecting plate 73 are connected through second bolts 83 penetrating through the corresponding third through holes and are locked and fixed by second nuts 84.

Therefore, the top ends of the auxiliary supporting leg 21 and the main supporting leg 11 are fixedly installed with the first steel 31 through the second connecting piece respectively, and the disassembly and the assembly are convenient. The first U-shaped plate 72 and the second connecting plate 73 can slide on the first steel material before being locked and fixed through the second bolt and the second nut, and are locked and fixed after being positioned. The T-shaped sliding connection on the first steel 31 is provided with a third bolt 85, the third bolt 85 penetrates through a second through hole on the first U-shaped plate, and the third bolt 85 is used as a fixing point of the first steel and the second connecting piece, so that the second connecting piece is prevented from sliding on the first steel 31.

Referring to fig. 1 and 2, in the present embodiment, both left and right ends of the third steel 33 are respectively fixed to the first steel 31 on the corresponding side by a third connecting plate 75, both left and right ends of the third steel 33 are respectively erected on the ear plates on the corresponding sides of the first U-shaped plate 72, one end of the third connecting plate 75 is connected to the end of the third steel 33 by a bolt, and the other end of the third connecting plate 75 is connected to the first steel 31 by a bolt.

Like this, regard as the bracing point at the left and right both ends of third steel 33 with the otic placode of the corresponding side of first U shaped plate 72, first steel 31 is as the fixed point of third connecting plate 75 one end, makes things convenient for the dismouting, avoids increasing the solder joint through the welding, reduces steel rigidity.

Referring to fig. 2, in this embodiment, the cross section of the winch rail 41 is an i-shaped structure, a third connecting member connecting the winch rail 41 and the third steel material 31 is a second U-shaped plate 74, an opening of the second U-shaped plate is downward and the size of the second U-shaped plate matches the size of the third steel material 31, lower ends of two side plates of the second U-shaped plate 74 are bent outward horizontally to form left and right ear plates, the left and right ear plates and left and right ends of the upper flange of the winch rail 41 are respectively provided with fourth through holes corresponding to each other one by one, the opening of the second U-shaped plate 74 is clamped on the third steel material 31, and the left and right ear plates of the second U-shaped plate 74 and the upper flange of the winch rail 41 are connected by bolts passing through the corresponding fourth through holes and locked by nuts.

Therefore, when the device is limited by the terrain, the winch rail 41 and the third steel 33 can be conveniently installed and fixed on the construction site.

Referring to fig. 1, in the present embodiment, each auxiliary leg 21 is composed of two connecting rods, the two connecting rods of each auxiliary leg 21 are connected to the corresponding bottom cross bar 14 through T-shaped tubes 22, the inner diameters of the T-shaped tubes are respectively matched with the outer diameters of the connecting rods and the bottom cross bar 21, the two connecting rods are inserted into upper and lower pipe openings of the T-shaped tubes 22, the bottom cross bar 14 is inserted into a side pipe opening of the T-shaped tube, and the joints of the T-shaped tubes 22 and the connecting rods and the bottom cross bar 14 are respectively locked and fixed through bolts and nuts.

Therefore, two sections of connecting rods of each auxiliary supporting leg 21 are respectively inserted into upper and lower pipe openings of the T-shaped pipe 22, and the lower cross rod 14 is inserted into a pipe opening on the side surface of the T-shaped pipe 22 and is locked and fixed through bolts and nuts. The auxiliary support leg 21 can be carried without the limitation of the terrain, and can be assembled and disassembled on the construction site.

Referring to fig. 1, in the present embodiment, each main leg 11 is formed of a plurality of connecting rods, two adjacent connecting rods are inserted into the upper and lower ends of a connecting sleeve 20 to be connected by the connecting sleeve, a horizontal pipe is disposed on the connecting sleeve 20, and a corresponding upper cross rod 12, a corresponding middle cross rod 13, or a corresponding lower cross rod 14 is inserted into the horizontal pipe and connected to the corresponding main leg 11 by the connecting sleeve 20; and the connection sleeve and the connection rod, the upper cross rod 12 and the corresponding transverse pipe, the middle cross rod 13 and the corresponding transverse pipe and the lower cross rod 14 and the corresponding transverse pipe are respectively locked and fixed through bolts and screw caps.

The main frame is formed by assembling an upper layer, a middle layer and a lower layer, the upper pipe orifice and the lower pipe orifice of each connecting sleeve 20 on the lower layer of the main frame are respectively inserted and connected with the connecting rods on the corresponding main supporting legs 11, the pipe orifices of the left transverse pipe and the right transverse pipe on the connecting sleeves 20 are respectively inserted and connected with the lower transverse rod 14 and are locked and fixed through bolts and screw caps; the upper and lower pipe orifices of each connecting sleeve 20 in the middle layer of the main frame are respectively inserted into the connecting rods on the corresponding main supporting legs 11, and the left and right pipe orifices of the connecting sleeves 20 are respectively inserted into the middle cross rod 13 and are locked and fixed by bolts and screw caps; the upper and lower pipe orifices of each connecting sleeve 20 on the upper layer of the main frame are respectively inserted into the connecting rods on the corresponding main supporting legs 11, and the left and right pipe orifices on the connecting sleeves 20 are respectively inserted into the upper cross rods 12 and are locked and fixed through bolts and screw caps. Thus, the main frame can be transported without being limited by the terrain, and can be assembled and disassembled on the construction site.

Referring to fig. 1, in the present embodiment, rope ladder hanging rings 15 are fixedly disposed on the upper cross bars 12 on the left and right sides of the transportation channel 16 for hanging a rope ladder.

Thus, the rope ladder hanging ring 15 is arranged on the upper cross rod 12, and the rope ladder is hung on the rope ladder hanging ring, so that workers can conveniently go in and out of the foundation pit through the rope ladder.

Referring to fig. 1, in the present embodiment, a protection plate 17 is disposed at the bottom of the main frame, a plurality of leakage holes 18 are uniformly formed on the surface of the protection plate 17, hooks 19 are disposed at intervals on the end surface of one end of the protection plate 17, and the protection plate is hung on the middle cross bar 13 through the hooks.

Like this, avoid the outer earthwork of foundation ditch to fall into the foundation ditch through guard plate 17 in, the guard plate adopts the couple mode to hang on well horizontal pole, easy to assemble.

In this embodiment, a lifting ring is installed at one end of the first steel 31 close to the main frame, and is used for hanging the fall arrester.

Therefore, the falling protector is hung on the hanging ring, and when workers go in and out of the foundation pit through the rope ladder, the falling protector can prevent accidental falling.

Referring to fig. 2, in the present embodiment, a plurality of ribs are uniformly arranged on the outer circumferential surface of the top end of the main leg 11 in the circumferential direction, and the ribs extend toward the lower surface of the second connecting plate 73 to enhance the strength of the main leg 11 and the second connecting plate 73; a plurality of reinforcing ribs are uniformly arranged on the peripheral surface of the top end of the auxiliary leg 21 in the circumferential direction, and the reinforcing ribs extend towards the lower surface of the second connecting plate 73 so as to enhance the strength of the auxiliary leg 21 and the strength of the second connecting plate 73.

Thus, the top ends of the main supporting leg 11 and the auxiliary supporting leg 21 are respectively provided with the reinforcing ribs, and the connection strength of the main supporting leg, the auxiliary supporting leg and the second connecting plate is respectively increased.

In this embodiment, the left and right ends of the winch track 41 are fixedly provided with third U-shaped plates, and the openings of the third U-shaped plates are clamped on the upper and lower flanges of the winch track and are locked and fixed by bolts and bolts.

Therefore, the third U-shaped groove is used as a limiting part for the winch to move back and forth on the winch rail, and when the motor on the winch drives the winch to move transversely on the winch rail, the winch is prevented from derailing.

It should be further explained that the upper and lower pipe orifices of each connecting sleeve and the connecting rod on the corresponding main supporting leg can be fixed by adopting a threaded connection or welding mode. The upper and lower pipe orifices of each T-shaped pipe and the connecting rod on the corresponding auxiliary supporting leg can also be fixed by adopting a threaded connection or fine welding mode. Therefore, the main frame and the auxiliary support leg are fixed by adopting a threaded connection or welding mode, so that the assembling time of the main frame and the auxiliary support leg is reduced.

Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that, while the invention has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides a deep basal pit excavation material overhead hoist, includes the main frame of erectting directly over the foundation ditch, and the main frame comprises four main landing legs and the hoisting platform of installing at four main landing leg tops, is equipped with hoist engine, its characterized in that at the hoisting platform lower surface: one side of the hoisting platform extends outwards to be far away from the foundation pit, two sides of the extending end of the hoisting platform are respectively provided with an auxiliary supporting leg, and the bottoms of the main supporting leg and the auxiliary supporting leg incline outwards to form a splayed structure between the two adjacent supporting legs; the hoisting machine comprises a main frame and a hoisting platform, wherein a hoisting machine rail is fixedly arranged under the hoisting platform along the extending direction of the hoisting platform, one end of the hoisting machine rail is positioned outside a foundation pit, the hoisting machine is arranged on the hoisting machine rail and can move back and forth along the hoisting machine rail, and a transportation channel is formed on one surface of the main frame facing the auxiliary supporting leg.

2. The deep foundation pit excavation material hoisting device of claim 1, characterized in that: the bottom ends of the main supporting leg and the auxiliary supporting leg are respectively in threaded connection with universal adjusting supporting legs; the universal adjusting support leg is composed of a foot plate and a universal ball-head screw rod, the ball-head end of the universal ball-head screw rod is rotatably connected with the foot plate, and the other end of the universal ball-head screw rod is a threaded end and is in threaded connection with the bottom end of the corresponding main support leg or the bottom end of the corresponding auxiliary support leg.

3. The deep foundation pit excavation material hoisting device of claim 2, characterized in that: the bottom end of at least one main supporting leg or one auxiliary supporting leg is in threaded connection with the universal adjusting supporting leg through an adjusting rod; one end of the adjusting rod is in threaded connection with the bottom end of the corresponding main supporting leg or the auxiliary supporting leg, and the other end of the adjusting rod is in threaded connection with the threaded end of the universal ball screw.

4. The deep foundation pit excavation material hoisting device of claim 1, characterized in that: the hoisting platform is of a rectangular frame structure formed by connecting four steel materials end to end, and two adjacent steel materials are fixed at four inner corners of the rectangular frame structure through first connecting pieces; the steel that two long limits of rectangle frame structure correspond is first steel, and the steel that two broadsides correspond is the second steel, and the interval evenly is provided with many third steels parallel with the second steel in the rectangle frame structure, and the hoist engine track both ends are installed on two second steels, and the hoist engine track middle part is connected and is consolidated through third connecting piece and third steel.

5. The deep foundation pit excavation material lifting device of claim 4, characterized in that: a lower cross bar is fixedly arranged between the bottoms of the two auxiliary supporting legs; except the surface where the transport channel is located, an upper cross rod, a middle cross rod and a lower cross rod are sequentially arranged between the two adjacent main support legs on the other three surfaces of the four main support legs from top to bottom at intervals.

6. The deep foundation pit excavation material lifting device of claim 5, characterized in that: the steel is square hollow stainless steel, and T-shaped sliding grooves are formed in the upper surface, the lower surface, the left surface and the right surface of the steel along the length direction; the first connecting piece comprises two first connecting plates with the same shape, the two first connecting plates are perpendicular to each other, reinforcing blocks are symmetrically arranged at the left and right sides of a right angle face of the first connecting plate, a first through hole is formed in the middle of the upper surface of each first connecting plate, first bolts are slidably connected in T-shaped chutes of corresponding faces of the first steel and the second steel respectively and penetrate through the first through holes in the two first connecting plates respectively and are locked and fixed through first screw caps.

7. The deep foundation pit excavation material lifting device of claim 6, characterized in that: the top ends of the main supporting legs and the auxiliary supporting legs are fixedly mounted with first steel through second connecting pieces respectively, each second connecting piece comprises a first U-shaped plate and a second connecting plate, the middle of the lower surface of each second connecting plate is fixedly connected with the top end of the corresponding main supporting leg or the corresponding auxiliary supporting leg, the U-shaped opening of each first U-shaped plate is downward, the lower ends of the two side plates are bent outwards and horizontally to form a left ear plate and a right ear plate, the opening size of each first U-shaped plate is matched with that of the corresponding first steel and clamped on the corresponding first steel through the opening of the corresponding first U-shaped plate, the height of the outer side surface of each first U-shaped plate is the same as the thickness of each third steel, a second through hole is formed in the middle of the bottom surface of each first U-shaped plate, a third bolt is connected in a T-shaped chute in the upper surface of the corresponding first steel in a sliding mode, and penetrates through the second through third screw caps to be locked and fixed; the left and right ends of the first U-shaped plate, the left and right ear plates and the second connecting plate are respectively provided with third through holes in one-to-one correspondence with each other, and the left and right ear plates and the second connecting plate of the first U-shaped plate are connected through second bolts penetrating through the corresponding third through holes and are locked and fixed by second nuts.

8. The deep foundation pit excavation material handling device of claim 7, characterized in that: both ends are fixed with the first steel installation that corresponds the side through the third connecting plate respectively about the third steel, and both ends erect respectively on the otic placode of the corresponding side of the first U template that corresponds about the third steel, and third connecting plate one end is passed through the bolt and is connected with third steel end connection, and the third connecting plate other end passes through the bolt and is connected with first steel.

9. The deep foundation pit excavation material handling device of claim 8, characterized in that: the transverse section of the winch track is of an I-shaped structure, a third connecting piece for connecting the winch track and third steel is a second U-shaped plate, the opening of the second U-shaped plate is downward, the size of the second U-shaped plate is matched with the size of the third steel, the lower ends of two side plates of the second U-shaped plate are outwards horizontally bent to form a left ear plate and a right ear plate, the left ear plate and the right ear plate and the upper flange of the winch track are provided with fourth through holes in one-to-one correspondence respectively, the opening of the second U-shaped plate is clamped on the third steel, and the left ear plate and the right ear plate of the second U-shaped plate and the upper flange of the winch track are connected through bolts penetrating through the corresponding fourth through holes and locked by nuts.

10. The deep foundation pit excavation material handling device of claim 9, characterized in that: every vice landing leg comprises two sections connecting rods, and the two sections connecting rods of every vice landing leg and the sheer pole that corresponds pass through T type union coupling, and T type intraductal diameter of tubes cooperatees with the external diameter of connecting rod and sheer pole respectively, and two connecting rods peg graft in the upper and lower orifices of T type pipe, T type pipe side mouth of pipe interpolation connect the sheer pole, and T type pipe is fixed through bolt and nut locking respectively with connecting rod and sheer pole junction.

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