CN219950378U

CN219950378U - Shaft annular lining pulling-out frame

Info

Publication number: CN219950378U
Application number: CN202321092586.XU
Authority: CN
Inventors: 李程
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-09
Filing date: 2023-05-09
Publication date: 2023-11-03
Anticipated expiration: 2033-05-09

Abstract

The utility model provides a shaft annular lining pulling-out frame which comprises a bottom frame, a shear type lifting mechanism and a top frame, wherein the shear type lifting mechanism is arranged between the bottom frame and the top frame, supporting legs are fixed below four corners of the bottom frame and used for suspending the supporting legs, idler wheels are arranged below the supporting legs, hanging rods are fixedly extended to two sides of the middle part of a top plate, hanging chains are connected and hung at the outer end parts of the hanging rods, hooks are arranged at the lower ends of the hanging chains, hydraulic cylinders are further arranged on the shear type lifting mechanism, two ends of each hydraulic cylinder are respectively hinged to an upper supporting rod and a lower supporting rod on the same side, cylinder drives are further arranged on the bottom frame and are connected with the hydraulic cylinders through hoses, and the cylinder drives are connected with foot-operated starting switches. The utility model keeps the positions of the bottom frame and the top frame unchanged in the lifting process, provides stable balance force for pulling out the shaft lining, reduces the difficulty of pulling out the shaft lining, avoids the inclination of the lining in the pulling-out process from damaging the asphalt filling layer, and avoids the damage to the wellhead in the pulling-out process.

Description

Shaft annular lining pulling-out frame

Technical Field

The utility model relates to the technical field of municipal engineering construction, in particular to a shaft annular lining pulling-out frame.

Background

The inspection well in the urban road range refers to various underground pipeline inspection wells, valve wells, operation wells, maintenance holes, water inlet openings and the like of paved water supply, rainwater, sewage, reclaimed water, electric power, communication, fuel gas, heat, street lamps, traffic signals and the like in the range including motor lanes, non-motor lanes, sidewalks, green belts, isolation belts and the like between buildings on two sides of the urban road.

The construction of inspection shaft well head needs to use annular pit shaft inside lining as the support, utilizes to pack at the well head periphery and pours the bituminous paving, and the size of inside lining is the same with the size of well head and the comparison that combines between inside lining and the pit shaft is inseparable, is difficult to force the pulling out, and the inside lining of jumbo size is inclined very easily in the pulling out in-process, and the uneven application of force causes the well head to pour bituminous concrete material around when pulling out the inside lining and sinks. In particular, in order to enable the well mouth to be matched with the well lid better, a corresponding groove notch is further formed in the well bore liner, if the well bore liner cannot be pulled out horizontally and synchronously, the inclined liner can clamp the well mouth position, the pouring face is damaged, and the installation of the well lid is affected.

Disclosure of Invention

Aiming at the problems that the shaft annular lining is tightly combined with the shaft and is not easy to apply force to pull out, the utility model provides a pull-out frame which is convenient for removing and pulling out the shaft annular lining.

The utility model solves the technical problems by adopting the scheme that: the utility model provides a frame is pulled out to pit shaft annular inside lining, includes underframe, cuts elevating system and top frame, wherein cuts elevating system and installs between underframe and top frame, and the below of four corners of underframe is fixed with the supporting leg, and the underframe is steel construction's rectangular frame, and the below installation of underframe is fixed with the supporting leg that is used for unsettled support, and the length of supporting leg is greater than the thickness of pit shaft inside lining, installs the gyro wheel below the supporting leg, the gyro wheel adopts the auto-lock gyro wheel that has locking structure.

The length of the bottom frame is greater than the diameter of the shaft, the middle part of the top plate extends to two sides to be fixedly provided with hanging rods, the outer end parts of the hanging rods are connected and hung with hanging chains, and the lower ends of the hanging chains are provided with hooks.

The shear type lifting mechanism comprises two groups of parallel cross supporting rods, the middle parts of the cross supporting rods are hinged through rotating shafts, the cross supporting rods form four end points, two end points are connected to the bottom frame, the other two end points are connected to the top frame, and the four end points are opposite to each other in an up-down mode.

The fixed shaft seat and the fixed sliding groove are oppositely arranged on the bottom frame and the top frame, the shaft seat is arranged on the same side of the bottom frame and the top frame, the sliding groove is arranged on the other side of the bottom frame and the top frame, the upper end point and the lower end point of the same side of the cross brace rod and the shaft seat are arranged on the shaft seat through rotating shafts, the upper end point and the lower end point of the same side of the cross brace rod and the sliding groove are provided with pulleys, and the pulleys are sleeved in the corresponding sliding grooves.

The scissor type lifting mechanism is also provided with a hydraulic oil cylinder, two ends of the hydraulic oil cylinder are respectively hinged to the upper supporting rod and the lower supporting rod on the same side, the bottom frame is also provided with an oil cylinder drive, the oil cylinder drive is connected with the hydraulic oil cylinder through a hose, and the oil cylinder drive is connected with a pedal type starting switch.

The hook is a triangle hook, the upper side of the hook is connected with a hanging chain, the lower side of the hook is divided into two parallel shackles, the pull ring adopts a rectangular pull ring, and the parallel hook ring at the lower side of the hook is hooked on a horizontal rod at the upper side of the rectangular pull ring.

A reinforcing rod is further arranged between the hanging rod and the top frame, the reinforcing rod is inclined to be supported between the hanging rod and the top frame, and the reinforcing rods are symmetrically arranged on two sides of the hanging rod.

The hanging rod is provided with a plurality of hanging holes along the rod body for hanging the hanging chains, and the distance between the hanging chains is adjusted by changing the hanging holes for hanging the hanging chains.

The utility model has the beneficial effects that: the utility model utilizes the characteristic that the scissor type lifting mechanism can keep the positions of the bottom frame and the top frame unchanged in the lifting process, provides stable balance force for the extraction of the shaft lining, reduces the difficulty of extracting the shaft lining, avoids the inclination of the lining in the extraction process to damage the asphalt filling layer, avoids the wellhead damage in the extraction process, saves labor and reduces the construction labor intensity.

And the couple is triangle-shaped couple, and the upside and the link of couple are connected, and the downside of couple divide into two parallel shackles, and the pull ring adopts the rectangle pull ring, and the parallel horizontal pole of collude ring hook rectangle pull ring upside of couple downside, through the parallel horizontal pole of collude ring and rectangle pull ring upside guarantee that annular inside lining can parallel pull out, can keep both ends dynamics balanced, prevent that the inside lining from pulling out and making the slope, take out the spacing well ring of installation perpendicularly, adhesion asphalt material when preventing to pull out the well ring, avoid damaging the asphalt material filling layer on every side.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

FIG. 2 is a schematic side cross-sectional structural view of a wellbore annular liner extraction frame.

Fig. 3 is a schematic perspective view of an annular liner of a wellbore.

Fig. 4 is a schematic structural view of the hanger.

Reference numerals in the drawings: the lifting device comprises a bottom frame 1, a lower shaft seat 101, a lower sliding groove 102, a scissor type lifting mechanism 2, a top frame 3, an upper shaft seat 301, an upper sliding groove 302, a hanging rod 303, a hanging chain 304, a reinforcing rod 305, a hook 306, an annular lining 4, a pull ring 401, rollers 5, a hydraulic cylinder 6 and a cylinder drive 601.

Detailed Description

The utility model will be further described with reference to the drawings and examples.

Example 1: in the inspection well construction process, asphalt mixture needs to be filled and tamped layer by layer at the well mouth, so that a limiting well ring needs to be placed and installed above the well mouth to serve as a well bore lining, and the filled asphalt mixture is prevented from flowing into a well bore.

After the asphalt mixture is tamped and paved, the well ring serving as the lining needs to be pulled out, but because the asphalt mixture is tamped and combined with the well ring lining more tightly, and in particular as shown in fig. 3, in order to leave a notch for installing a well cover, corresponding bulges are arranged on the outer side of the well ring lining, the manual pulling out of the well ring lining is more laborious for workers, the balance of the well ring lining needs to be maintained in the process of pulling out the well ring lining, once the asphalt mixture which is tamped and paved around is damaged by tilting, and the balance is not easy to control by the manual pulling out, so that a shaft annular lining pulling-out frame for pulling out the well ring lining is needed.

As shown in fig. 1 and 2, the utility model provides a shaft annular lining pulling frame for balanced pulling by using a scissor type lifting mechanism, which specifically comprises a bottom frame 1 used for moving and straddling over a wellhead, and a top frame 3 capable of hooking and connecting a shaft lining for pulling, wherein the scissor type lifting mechanism 2 is arranged between the bottom frame 1 and the top frame 3, and the scissor type lifting mechanism 2 can keep the positions of the bottom frame 1 and the top frame 3 unchanged in the lifting process, so that a stable balancing force is provided for pulling the shaft lining, the difficulty of pulling the shaft lining is reduced, and the inclination of the lining in the pulling process is prevented from damaging a asphalt filling layer.

Wherein, the underframe 1 is a rectangular frame with a steel structure, and the underframe 1 is used for erecting the pull-out frame above the wellhead, so that the underframe 1 at least needs to be longer than the diameter of the wellhead. Meanwhile, supporting legs for hanging support are fixedly arranged below the bottom frame 1, idler wheels 5 are fixedly arranged below the supporting legs, a yielding space is formed between the bottom frame 1 and the ground through the supporting legs, and the yielding space is utilized to provide a moving space for pulling out the shaft lining, so that the length of the supporting legs is slightly larger than the height of the shaft lining. In addition, the whole pulling-out frame needs to be kept stable in the process of pulling out the lining, so that when the lining pulling-out frame is used, after the lining pulling-out frame moves to the upper part of the wellhead, the rolling wheels need to be padded and fixed by using bricks and the like, and the pulling-out frame is prevented from shaking. The best scheme is that the idler wheel 5 adopts a self-locking idler wheel with a locking structure, and the idler wheel is locked by a locking mechanism after the pulling-out frame moves in place, so that the idler wheel is prevented from shaking.

As shown in fig. 3, two symmetrical pull rings 401 are provided on the annular liner 4. The corresponding hanging chains 304 are arranged on the top frame 3 to hook the pull rings 401, and the top frame is vertically lifted to horizontally pull out the annular lining 4 through the scissor type lifting mechanism 2. The concrete top frame 3 is composed of steel members, hanging rods 303 are fixedly extended to the two sides of the middle of the top frame 3, hanging chains 304 are hung on the hanging rods 303, and the distance between the hanging chains 304 on the two sides is the same as the diameter of the annular lining 4.

Further, the hanging rod 303 is provided with a plurality of hanging holes along the rod body for hanging the hanging chains 304, and the distance between the hanging chains is adjusted by changing the hanging holes for hanging the hanging chains 304, so that the hanging rod is suitable for annular liners 4 with different diameters.

In order to improve the strength of the hanging rod 303, a reinforcing rod 305 is further arranged between the hanging rod 303 and the top frame, the reinforcing rod 305 is inclined to be supported between the hanging rod 303 and the top frame, and the reinforcing rods 305 are symmetrically arranged on two sides of the hanging rod.

The link 304 lower extreme is connected with couple 306, as shown in fig. 1, couple 306 is triangle-shaped couple, and the upside and the link of couple are connected, and the downside of couple divide into two parallel shackles, and pull ring 401 adopts the rectangle pull ring, and the parallel horizontal pole of hook ring hook rectangle pull ring upside of couple, through the parallel horizontal pole of hook ring and rectangle pull ring upside assurance annular inside lining 4 can parallel pull out.

The scissor type lifting mechanism 2 comprises two groups of parallel cross supporting rods, the middle parts of the cross supporting rods are hinged through rotating shafts, the cross supporting rods form four end points, two end points are connected to the bottom frame 1, the other two end points are connected to the top frame 3, and the four end points are opposite to each other in an up-down mode;

fixed shaft seats and sliding grooves are oppositely arranged on the bottom frame 1 and the top frame 3, wherein a lower shaft seat 101 and a lower sliding groove 102 are arranged on the bottom frame 1, an upper shaft seat 301 and an upper sliding groove 302 are arranged on the lower side of the top frame 3, the lower shaft seat 101 and the upper shaft seat 301 are arranged on the same side, and the lower sliding groove 102 and the upper sliding groove 302 are arranged on the same side; the cross brace rod is cross-connected with the lower shaft seat 101 and the upper chute 302 or the upper shaft seat 301 and the lower chute 102, so that the upper end point and the lower end point on the same side of the cross brace rod are arranged on the shaft seat through rotating shafts, or the upper end point and the lower end point on the same side are provided with pulleys, and the pulleys are sleeved in the corresponding chutes.

The scissor type lifting mechanism 2 is also provided with a hydraulic oil cylinder 6, and two ends of the hydraulic oil cylinder 6 are respectively hinged between an upper supporting rod and a lower supporting rod on the same side; the bottom frame 1 is also provided with an oil cylinder drive 601, the oil cylinder drive 601 is connected with a hydraulic oil cylinder 6 through a hose, the oil cylinder drive 601 is connected with a foot-operated starting switch, the oil cylinder drive 601 is controlled through the foot-operated starting switch, and further the hydraulic oil cylinder 6 is controlled to stretch and retract, so that the scissor type lifting mechanism 2 is driven to lift.

The foregoing has outlined the basic principles, features, and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a shaft annular inside lining pulls out frame, a serial communication port, including underframe (1), cut elevating system (2) and top frame (3), wherein cut elevating system (2) install between underframe (1) and top frame (3), the below of underframe (1) four corners is fixed with the supporting leg, underframe (1) is rectangular structure, the length of underframe (1) is greater than the diameter of shaft, the middle part of top frame (3) extends to both sides and is fixed with peg (303), peg (303) outer end connection is hung and is equipped with link (304), couple (306) are installed to the lower extreme of link (304);

the scissor type lifting mechanism (2) comprises two groups of parallel cross supporting rods, the middle parts of the cross supporting rods are hinged through rotating shafts, the cross supporting rods form four end points, two end points are connected to the bottom frame (1), the other two end points are connected to the top frame (3), and the four end points are opposite to each other in an up-down mode;

the fixed shaft seat and the fixed sliding groove are oppositely arranged on the bottom frame (1) and the top frame (3), the shaft seat is arranged on the same side of the bottom frame (1) and the top frame (3), the sliding groove is arranged on the other side of the bottom frame (1) and the top frame (3), the upper end point and the lower end point of the same side of the cross brace rod and the shaft seat are arranged on the shaft seat through rotating shafts, the upper end point and the lower end point of the same side of the cross brace rod and the sliding groove are provided with pulleys, and the pulleys are sleeved in the corresponding sliding grooves;

the scissor type lifting mechanism (2) is also provided with a hydraulic oil cylinder (6), and two ends of the hydraulic oil cylinder (6) are respectively hinged on an upper stay bar and a lower stay bar on the same side;

the bottom frame (1) is also provided with an oil cylinder drive (601), the oil cylinder drive (601) is connected with a hydraulic oil cylinder (6) through a hose, and the oil cylinder drive (601) is connected with a foot-operated starting switch.

2. The shaft annular lining pulling-out frame according to claim 1, wherein the bottom frame (1) is a rectangular frame with a steel structure, supporting legs for hanging support are fixedly arranged below the bottom frame (1), and the length of the supporting legs is larger than the thickness of the shaft lining.

3. The shaft annular lining pulling-out frame according to claim 1, wherein the hook (306) is a triangle hook, the upper side of the hook is connected with a hanging chain, the lower side of the hook is divided into two parallel shackles, the pull ring (401) is a rectangular pull ring, and the parallel hook ring at the lower side of the hook is hooked on a horizontal rod at the upper side of the rectangular pull ring.

4. The shaft annular lining extraction frame according to claim 1, wherein a reinforcing rod (305) is further arranged between the hanging rod (303) and the top frame, the reinforcing rod (305) is inclined to be supported between the hanging rod (303) and the top frame, and the reinforcing rods (305) are symmetrically arranged on two sides of the hanging rod.

5. The wellbore annular liner extraction frame according to claim 1, wherein the hanger bar (303) is provided with a plurality of hanging holes along the bar body for hanging the hanging chains (304), and the distance between the hanging chains is adjusted by changing the hanging holes where the hanging chains (304) are hung.

6. The shaft annular lining extraction frame according to claim 1 or 2, characterized in that rollers (5) are installed below the supporting legs, and the rollers (5) are self-locking rollers with locking structures.