CN111689352A - Ground safety protection door of material hoister and using method - Google Patents
Ground safety protection door of material hoister and using method Download PDFInfo
- Publication number
- CN111689352A CN111689352A CN202010617417.8A CN202010617417A CN111689352A CN 111689352 A CN111689352 A CN 111689352A CN 202010617417 A CN202010617417 A CN 202010617417A CN 111689352 A CN111689352 A CN 111689352A
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- CN
- China
- Prior art keywords
- protection door
- balance weight
- counterweight
- door
- wire rope
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/06—Door or gate operation of sliding doors
- B66B13/10—Door or gate operation of sliding doors by car or cage movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/30—Constructional features of doors or gates
- B66B13/303—Details of door panels
- B66B13/305—Slat doors for elevators
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- Types And Forms Of Lifts (AREA)
Abstract
The invention provides a ground safety protection door of a material elevator and a use method thereof, and the ground safety protection door comprises side columns on two sides of a protection door, a protection door plate and an automatic lifting device, wherein two protection door slide ways are symmetrically arranged on the side columns on two sides of the protection door, two side edges of the protection door plate are configured with the protection door slide ways and slide up and down along the protection door slide ways, the automatic lifting device comprises a fixed pulley, a steel wire rope, a balance weight slide way, a balance weight press rod and a hanging basket press rod, the fixed pulley is fixed on the upper parts of the side columns on two sides of the protection door, the balance weight slide ways are symmetrically fixed on the side columns on two sides of the protection door, the balance weight slides up and down along the balance weight slide ways, the steel wire rope bypasses two ends of the fixed pulley and is respectively connected with the balance weight. The invention has simple structure, low cost, convenient use and reliable safety performance.
Description
Technical Field
The invention belongs to the technical field of safety protection of constructional engineering, and particularly relates to a ground safety protection door of a material elevator and a using method of the ground safety protection door.
Background
The portal frame and the material feeding port of a derrick material hoister which are commonly adopted in the construction site of China have certain dangerousness, and the falling object at the discharging port of a hanging basket or other floors is mainly caused, so that personal injury accidents are easily caused along with the continuous expansion of urban building development, safety production accidents at the construction site frequently occur, and personal injury accidents also occur seriously. And in many accidents, the number of safety accidents occurring on the discharging platform of the upper and lower racks is large. However, the existing safety protection door for the discharging platform of the upper drop frame is difficult to solve due to the structure of the safety protection door. Currently, such doors are mounted on the frame opening of the discharge platform, typically by means of hinges to which one end of the protective door is coupled, the other end being fixed by means of a latch. Thus, such doors must be opened and closed manually. Because the door needs to be operated manually, the use is very inconvenient, the door is often influenced by human factors, the unloading flow of the building operation is large, and a building worker often easily places the door in a normally open state in order to catch up with the schedule and save effort, so that the safety protection effect of the door is lost.
Disclosure of Invention
The invention aims to solve the technical problem of providing a ground safety protection door of a material elevator and a use method thereof, wherein the protection door is matched with the stroke of a hanging basket to automatically lift.
The technical scheme adopted by the invention for solving the technical problems is as follows: a ground safety protection door of a material elevator is characterized by comprising two side posts at two sides of a protection door, a protection door plate and an automatic lifting device, wherein two protection door slideways are symmetrically arranged on the side posts at two sides of the protection door, two side edges of the protection door plate are arranged with the protection door slideways and slide up and down along the protection door slideways, the automatic lifting device comprises a fixed pulley, a steel wire rope, a balance weight slideway, a balance weight pressing rod and a hanging basket pressing rod, the fixed pulley is fixed at the upper parts of the side posts at two sides of the protection door, the balance weight slideways are symmetrically fixed on the side posts at two sides of the protection door, the balance weight slides up and down along the balance weight slideway, the steel wire rope bypasses two ends of the fixed pulley and is respectively connected with the balance weight and the protection door plate, the balance weight pressing rod is connected with the balance, and the counterweight pressing rod is arranged correspondingly.
According to the scheme, the counter weight is composed of deformed steel bars and a square tube, the square tube is sleeved outside the deformed steel bars and connected through welding, the nut is installed at the top of the counter weight, the end head on one side of the steel wire rope bypasses the nut and is fastened through the fixing clamp, and the counter weight pressing rod is installed on one side of the square tube.
According to the scheme, the weight of the balance weight is smaller than that of the protective door plate.
According to the scheme, the protective door slide is formed by arranging two angle steel openings in the same direction and welding and fixing the two right-angle edges of the protective door side column to form a U-shaped slide.
According to the scheme, the counterweight slideway is formed by overlapping and welding two opposite sides of the openings of the angle steels to form a U-shaped slideway.
According to the scheme, the two angle steels of the counterweight slide ways have different side lengths, the angle steel with the long side length is connected with the edge column of the protective door in a welding mode, a gap is formed between the angle steel with the short side length and the edge column of the protective door, and the counterweight pressing rod extends out of the gap.
A use method of a ground safety protection door of a material hoister is characterized by comprising the following steps:
s1) equipment installation: welding and fixing a protective door slide way and a counterweight slide way which are composed of angle steel on a protective door side column, positioning and installing a protective door plate, a counterweight and a fixed pulley, and fastening the protective door and the counterweight at two ends of a steel wire rope to complete equipment installation;
s2) protective door up: the hanging basket falls down through the material lifter, the hanging basket pressure rod welded on the side edge of the hanging basket presses down the balance weight pressure rod welded on the balance weight, and the balance weight welded with the hanging basket pressure rod falls down through the balance weight pressure rod to drive the hanging basket to fall down; the counterweight is connected with a steel wire rope, the steel wire rope with the other side connected to the protective door is lifted through the upper fixed pulley so as to drive the protective door to ascend, and after the hanging basket is lowered to the ground, an operator can place materials to be conveyed into the hanging basket;
s3) guard gate down: make the hanging flower basket rise through material lifting machine, the hanging flower basket depression bar of hanging flower basket side welding rises, because of guard gate gravity is greater than balancing weight gravity, the guard gate just falls naturally, forms the protection.
The invention has the beneficial effects that: the utility model provides a material elevator's ground safety guard gate and application method, through the weight difference of counter weight and guard gate, when the hanging flower basket goes up and down, realize the automatic rising of guard gate, the hanging flower basket whereabouts guard gate rises, the material loading transportation of being convenient for, the hanging flower basket whereabouts guard gate whereabouts blocks personnel and gets into, plays safety protection effect, and the personnel accident that the inertia caused is avoided in the impermissible manpower operation, and the security performance is high.
Drawings
FIG. 1 is a front view of one embodiment of the present invention.
Fig. 2 is a side view of one embodiment of the present invention.
Fig. 3 is a top view of one embodiment of the present invention.
Figure 4 is a schematic view of a basket drop according to one embodiment of the present invention.
FIG. 5 is a schematic view of a counterweight according to one embodiment of the invention.
Detailed Description
For a better understanding of the present invention, reference is made to the following description taken in conjunction with the accompanying drawings and examples.
As shown in figures 1-3, a ground safety protection door of a material lifter comprises side columns 1 at two sides of a protection door, a protection door plate 2 and an automatic lifting device, wherein two protection door slideways 3 are symmetrically arranged on the side columns at two sides of the protection door, two side edges of the protection door plate are arranged with the protection door slideways and slide up and down along the protection door slideways, the automatic lifting device comprises a fixed pulley 4, a steel wire rope 5, a counterweight 6, a counterweight slideway 7, a counterweight pressure rod 8 and a hanging basket pressure rod 9, the fixed pulley is fixed at the upper parts of the side columns at two sides of the protection door, the counterweight slideways are symmetrically fixed on the side columns at two sides of the protection door, the counterweight slides up and down along the counterweight slideways, the steel wire rope bypasses two ends of the fixed, the lifting basket pressing rods are arranged perpendicular to the plane of the protective door plate, symmetrically arranged on two sides of the lifting basket 10 and arranged corresponding to the balance weight pressing rods (see figure 4).
As shown in figure 5, the balance weight is composed of a deformed steel bar 11 and a square tube 12, the square tube is sleeved outside the deformed steel bar and connected through welding, a nut 13 is arranged at the top of the balance weight, the end head on one side of the steel wire rope bypasses the nut and is fastened through a fixing clamp, and a balance weight pressing rod is arranged on one side of the square tube.
The weight of the counter weight is less than the weight of the protective door plate.
The guard gate slide is by two angle steel openings syntropy settings, and welded fastening constitutes in the two right angle edges of guard gate side post, forms U type slide.
The counterweight slideway is formed by overlapping and welding two opposite sides of the openings of the angle steels to form a U-shaped slideway.
Two angle steels of the counterweight slide way have different side lengths, the angle steel with the long side length is welded with the edge column of the protective door, a gap is formed between the angle steel with the short side length and the edge column of the protective door, and the counterweight pressure rod extends out of the gap.
A use method of a ground safety protection door of a material hoister comprises the following steps:
s1) equipment installation: welding and fixing a protective door slide way and a counterweight slide way which are composed of angle steel on a protective door side column, positioning and installing a protective door plate, a counterweight and a fixed pulley, and fastening the protective door and the counterweight at two ends of a steel wire rope to complete equipment installation;
s2) protective door up: the hanging basket falls down through the material lifter, the hanging basket pressure rod welded on the side edge of the hanging basket presses down the balance weight pressure rod welded on the balance weight, and the balance weight welded with the hanging basket pressure rod falls down through the balance weight pressure rod to drive the hanging basket to fall down; the counterweight is connected with a steel wire rope, the steel wire rope with the other side connected to the protective door is lifted through the upper fixed pulley so as to drive the protective door to ascend, and after the hanging basket is lowered to the ground, an operator can place materials to be conveyed into the hanging basket;
s3) guard gate down: make the hanging flower basket rise through material lifting machine, the hanging flower basket depression bar of hanging flower basket side welding rises, because of guard gate gravity is greater than balancing weight gravity, the guard gate just falls naturally, forms the protection.
Claims (7)
1. A ground safety protection door of a material elevator is characterized by comprising two side posts at two sides of a protection door, a protection door plate and an automatic lifting device, wherein two protection door slideways are symmetrically arranged on the side posts at two sides of the protection door, two side edges of the protection door plate are arranged with the protection door slideways and slide up and down along the protection door slideways, the automatic lifting device comprises a fixed pulley, a steel wire rope, a balance weight slideway, a balance weight pressing rod and a hanging basket pressing rod, the fixed pulley is fixed at the upper parts of the side posts at two sides of the protection door, the balance weight slideways are symmetrically fixed on the side posts at two sides of the protection door, the balance weight slides up and down along the balance weight slideway, the steel wire rope bypasses two ends of the fixed pulley and is respectively connected with the balance weight and the protection door plate, the balance weight pressing rod is connected with the balance, and the counterweight pressing rod is arranged correspondingly.
2. The ground safety protection door of a material hoister as claimed in claim 1, wherein the counterweight is composed of screw-thread steel and a square tube, the square tube is sleeved on the screw-thread steel and connected by welding, a nut is arranged on the top of the counterweight, one side end of the steel wire rope bypasses the nut and is fastened by a fixing clip, and the counterweight pressing rod is arranged on one side of the square tube.
3. The ground safety protection door of the material lifting machine as claimed in claim 1 or 2, wherein the weight of the counterweight is less than the weight of the protection door plate.
4. The ground safety protection door of the material elevator as claimed in claim 3, wherein the protection door chute is formed by two angle steel openings arranged in the same direction and welded and fixed on two right-angled edges of the protection door jamb to form a U-shaped chute.
5. The ground safety protection door of the material elevator as claimed in claim 3, wherein the counterweight chute is formed by two pieces of angle steel with opposite openings and one side of the angle steel overlapped and welded to form a U-shaped chute.
6. The ground safety protection door of the material elevator as claimed in claim 5, wherein the length of the two pieces of angle steel of the counterweight slide way is different, the long length of angle steel is welded to the protection door jamb, a gap is formed between the short length of angle steel and the protection door jamb, and the counterweight pressing rod extends out of the gap.
7. The method for using the ground safety protection door of the material lifting machine in the claim 6 is characterized by comprising the following steps:
s1) equipment installation: welding and fixing a protective door slide way and a counterweight slide way which are composed of angle steel on a protective door side column, positioning and installing a protective door plate, a counterweight and a fixed pulley, and fastening the protective door and the counterweight at two ends of a steel wire rope to complete equipment installation;
s2) protective door up: the hanging basket falls down through the material lifter, the hanging basket pressure rod welded on the side edge of the hanging basket presses down the balance weight pressure rod welded on the balance weight, and the balance weight welded with the hanging basket pressure rod falls down through the balance weight pressure rod to drive the hanging basket to fall down; the counterweight is connected with a steel wire rope, the steel wire rope with the other side connected to the protective door is lifted through the upper fixed pulley so as to drive the protective door to ascend, and after the hanging basket is lowered to the ground, an operator can place materials to be conveyed into the hanging basket;
s3) guard gate down: make the hanging flower basket rise through material lifting machine, the hanging flower basket depression bar of hanging flower basket side welding rises, because of guard gate gravity is greater than balancing weight gravity, the guard gate just falls naturally, forms the protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010617417.8A CN111689352A (en) | 2020-06-30 | 2020-06-30 | Ground safety protection door of material hoister and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010617417.8A CN111689352A (en) | 2020-06-30 | 2020-06-30 | Ground safety protection door of material hoister and using method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111689352A true CN111689352A (en) | 2020-09-22 |
Family
ID=72484591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010617417.8A Pending CN111689352A (en) | 2020-06-30 | 2020-06-30 | Ground safety protection door of material hoister and using method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111689352A (en) |
-
2020
- 2020-06-30 CN CN202010617417.8A patent/CN111689352A/en active Pending
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