CN204626921U - A kind of fixed working platform without scaffold construction elevator - Google Patents

Abstract

The utility model relates to the technical field of elevator construction, in particular to a fixed working platform for a construction elevator without scaffolding, comprising two load-bearing beams fixedly connected with the concrete wall of the well, and each load-bearing beam is fixedly connected with the same for the concrete wall of the well. A load-bearing vertical rod that is fixedly connected and extends vertically upwards. A load-bearing cross bar is fixedly connected between the ends of the two load-bearing beams located in the hoistway. An auxiliary support pole extending straight upwards, the height of the load-bearing pole is greater than the height of the auxiliary support pole, and the upper and middle ends of the auxiliary support pole in the vertical direction are respectively connected with the load-bearing pole. Chains, the upper ends of the two auxiliary support poles are also connected with guardrail iron chains, and the two load-bearing beams are covered with pedals. The structure is firm and stable, easy to disassemble, long service life and good safety protection effect.

Description

A fixed working platform for construction elevators without scaffolding

technical field

The utility model relates to the technical field of elevator construction, in particular to a fixed working platform for a scaffold-free construction elevator.

Background technique

The construction method without scaffolding has been gradually popularized for elevator installation, and safety is the top priority. If the lifting of the counterweight frame, wire rope suspension and placement of counterweights are performed on the top floor, since the entire shaft is empty, there is no additional foothold, so as a stable construction platform for operators to stand on, it plays a key role. Without scaffolding, we are faced with a problem of how to safely and effectively carry out the lifting work of the counterweight frame, the suspension work of the counterweight wire rope and the counterweight block on the top floor. Therefore, it is necessary to solve the safety and reliability guarantee of the standing position of the construction personnel during the aforementioned work, so that the production can meet the lifting counterweight frame, wire rope suspension and counterweight placement work on the top floor when the elevator has no scaffolding construction. A dedicated construction work platform is urgent.

Utility model content

One purpose of the utility model is to provide a fixed working platform with a firm and stable structure, convenient disassembly and assembly, long service life and good safety protection effect without scaffolding construction elevator.

The above-mentioned technical purpose of the utility model is achieved through the following technical solutions: a fixed working platform for construction elevators without scaffolding, which includes two parallel fixed connections with the shaft concrete wall at the two feet of the floor door Each of the load-bearing beams is fixedly connected with a vertically upwardly extending load-bearing pole for fixed connection with the concrete wall of the well at the outer side of the well at the floor door, and the two load-bearing beams are located in the well. A load-bearing cross bar is fixedly connected between the ends, and an auxiliary support pole extending vertically upwards is fixed on the load-bearing cross bar near the two ends, and the height of the load-bearing pole is greater than that of the auxiliary support The height of the pole, the upper and middle ends of the auxiliary support pole in the vertical direction are respectively connected with a guardrail iron chain with the load-bearing pole, and the upper ends of the two auxiliary support poles are also connected Iron chains for guardrails are arranged, and pedals are laid on the two load-bearing beams.

In the above technical solution, the entire platform structure is generally installed on the top floor of the floor at the position of the landing door of the hoistway, which can save the use of scaffolding. The overall structure is firm and stable, and it is easy to disassemble and assemble. It is fixedly connected with the wall of the hoistway near the landing door. The combined fixed connection of the load-bearing beam and the load-bearing pole makes the overall load capacity stronger and better in stability, and the load-bearing beam can be well extended into the hoistway, with the load-bearing cross bar, load-bearing pole and guardrail iron The connection function of the chain has better integrity, stronger load capacity, and is safer and more reliable, which can largely avoid the safety accidents of casualties caused by the collapse of the standing construction platform when the construction personnel are performing corresponding operations on the top floor. The iron chain of the guardrail further improves the safety protection effect, has a longer service life, and can be recycled for a long time.

As a preference for the present utility model, a secondary protection fixing ring is also fixed on the load-bearing crossbar near the two ends, and the secondary protection fixing ring is connected with a suspender with hooks at both ends. The secondary protection fixing ring is connected to one of the hooks of the suspender while the other hook of the suspender is connected to the fixed bracket for installation on the inner wall of the hoistway, and the fixed bracket is provided with a The lifting hole for the hanging hook. This optimization plays the role of secondary protection, and further improves the stability of the working platform. The fixing bracket can adopt the existing tripod bracket, etc., and has corresponding fixing holes on it, and can be installed and fixed by expansion bolts equal to the inner wall of the well. Further avoid the safety accidents of casualties caused by the collapse of the standing construction platform when the construction workers carry out corresponding operations on the top floor.

As a preference for the utility model, an auxiliary reinforcement column is fixed on the load-bearing beam near the load-bearing cross bar, and a diagonal tie rod is installed between the auxiliary reinforcement column and the load-bearing vertical bar, and the auxiliary reinforcement column is inclined upward toward the load-bearing vertical bar. Improve the strength and stability of the structure and play a better role in safety protection.

As an optimization of the utility model, toe guards are installed between two load-bearing beams, between two auxiliary support uprights, between the auxiliary support uprights and the load-bearing uprights. Prevent safety hazards caused by falling construction tools, etc., while improving structural strength and stability, and further strengthen the safety protection effect on construction personnel.

As a preference for the present utility model, the two guardrail iron chains connected between the auxiliary support pole and the load-bearing pole are horizontally arranged, and one of them is positioned higher than the other, and the two auxiliary support poles An inner protective cross bar is connected between the poles located lower than the lower guardrail iron chain, and an outer protective cross bar is connected between the two load-bearing vertical poles located higher than the higher guardrail iron chain. pole. Improve the strength and stability of the structure and play a better role in safety protection.

As a preference for the utility model, a reinforced warning plate is fixed on the outer protective cross bar. On the one hand, it strengthens the structural strength, and on the other hand, some warning signs or slogans can be set on it for warning.

As a preference for the present utility model, the load-bearing beam includes a main bearing plate that is fitted and fixed to the concrete wall of the hoistway, and a reinforced side bearing plate that is integrally connected with the upper and lower sides of the main bearing plate and is perpendicular to the main bearing plate. Mounting holes for fixed connection with the concrete wall of the hoistway are provided on the bearing plate. The expansion bolts can be firmly installed on the wall through the installation holes to ensure the firmness and stability of the working platform.

As a preference for the present utility model, the load-bearing pole includes a main vertical plate that is fixed to the shaft concrete wall and a reinforced side vertical plate integrally connected with the left and right sides of the main vertical plate and perpendicular to the main vertical plate. The main vertical plate is provided with installation holes for fixed connection with the concrete wall of the hoistway, and the reinforced side vertical plate on one side is fixedly connected with the main load-bearing plate of the load-bearing beam. The reinforced side vertical plate and the main load-bearing plate are provided with corresponding connecting holes. The expansion bolts can be firmly installed on the wall through the installation holes, and the load-bearing poles and load-bearing beams can be further fixed and connected through the connection holes and bolts for connection, so as to further ensure the structural strength and stability of the working platform.

As a preference for the present utility model, the height of the load-bearing pole is 1.2 times to 2 times the height of the auxiliary support pole. Optimize the stress distribution of the structure, improve the stability of the structure and the safety of use.

As a preference for the utility model, the pedal is an aluminum alloy anti-skid pedal with an anti-skid pattern on it. Improve the safety of construction workers when they are working on it.

The beneficial effects of the utility model: the overall structure is firm and stable, the disassembly and assembly are more convenient, the load capacity is stronger, the stability is better, the integrity is better, and it is safer and more reliable, thereby greatly avoiding The safety accidents caused by the collapse of the standing construction platform during the corresponding operation or the safety hazards caused by the falling of construction tools, etc., have better safety protection effects, longer service life, and can be recycled for a long time.

Description of drawings

Fig. 1 is a three-dimensional structure diagram of an embodiment of the utility model.

In the figure: 1. load-bearing beam, 2. load-bearing pole, 9. load-bearing cross bar, 5. auxiliary support pole, 10. guardrail iron chain, 11. pedal, 4. secondary protection fixing ring, 41. hook , 42, suspender, 43, fixed bracket, 30, auxiliary reinforcement column, 3, diagonal stay rod, 7, toe guard, 61, inner protective cross bar, 62, outer protective cross bar, 620, reinforced warning board, 11, main Bearing plate, 12, reinforced side bearing plate, 13, mounting hole, 21, main vertical plate, 22, reinforced side vertical plate, 1122, connecting hole.

Detailed ways

The following specific examples are only explanations of the utility model, and it is not a limitation of the utility model. Those skilled in the art can make modifications without creative contribution to the present embodiment as required after reading this description, but as long as they are within the utility model All new claims are protected by patent law.

Embodiment, as shown in Fig. 1, a fixed working platform of a construction elevator without scaffolding, comprising two load-bearing beams 1 arranged in parallel and fixedly connected with the concrete wall of the shaft at the two footings of the landing door, each The load-bearing beams 1 are fixedly connected with the vertically upwardly extending load-bearing poles 2 for fixed connection with the concrete wall of the hoistway at the outer side of the hoistway at the floor door. A load-bearing crossbar 9 is fixedly connected between the heads, and an auxiliary support pole 5 extending vertically upwards is fixed on the load-bearing crossbar 9 near the two ends. The height of the load-bearing pole 2 is Greater than the height of the auxiliary support pole 5, the upper and middle ends of the auxiliary support pole 5 in the vertical direction are respectively connected with the load-bearing pole 2 with guardrail iron chains 10, and the two auxiliary support poles Guardrail iron chains 10 are also connected between the upper ends of the rods 5 , and pedals 11 are laid on the two load-bearing beams 1 .

On the load-bearing cross bar 9, a secondary protection fixing ring 4 is also fixed near the two ends, and the secondary protection fixing ring 4 is connected with a suspension rod 42 with hooks 41 at both ends. The protection fixing ring 4 is suspended and connected with one of the suspension hooks 41 of the suspension rod 42 and the other suspension hook of the suspension rod 42 is suspended on the fixed bracket 43 for being installed on the inner wall of the hoistway, and the fixed bracket 43 There are hanging holes for the hook 41 to hang on.

An auxiliary reinforcement column 30 is fixed on the load-bearing beam 1 close to the load-bearing cross bar 9, and a diagonal tie rod 3 is installed between the auxiliary reinforcement column 30 and the load-bearing vertical bar 2, which is inclined upward from the auxiliary reinforcement column 30 to the load-bearing vertical bar 2. . A toe guard 7 is installed between the two load-bearing beams 1, between the two auxiliary support uprights 5, between the auxiliary support uprights 5 and the load-bearing uprights 2. The two guardrail iron chains 10 connected between the auxiliary support pole 5 and the load-bearing pole 2 are all arranged horizontally, and one of them is positioned higher than the other, and the two auxiliary support poles 5 are located at a lower level. An inner protective bar 61 is connected between the positions of the guardrail iron chains 10 at a lower position, and an outer protective bar 61 is connected between the positions of the two load-bearing uprights 2 that are higher than the guardrail iron chains 10 at a higher position. Crossbar 62. A reinforced warning plate 620 is fixed on the outer protective cross bar 62 .

The load-bearing beam 1 includes a main bearing plate 11 that is fitted and fixed to the concrete wall of the hoistway, and a reinforced side bearing plate 12 that is integrally connected with the upper and lower sides of the main bearing plate 11 and is perpendicular to the main bearing plate 11. 11 is provided with the installation hole 13 that is used to be fixedly connected with the well concrete wall. The load-bearing pole 2 includes a main vertical plate 21 that is fixed to the shaft concrete wall and a reinforced side vertical plate 22 that is integrally connected with the left and right sides of the main vertical plate 21 and is perpendicular to the main vertical plate 21. A mounting hole 13 for fixed connection with the concrete wall of the hoistway is opened on the plate 21, and the reinforced side vertical plate 22 on one side is fixedly connected with the main load-bearing plate 11 of the load-bearing beam 1, and the reinforced side vertical plate 22 and the main load-bearing Corresponding connecting holes 1122 are defined on the board 11 .

The height of the load-bearing pole 2 is 1.2 times-2 times the height of the auxiliary support pole 5. Pedal 11 is an aluminum alloy non-slip pedal and has anti-skid pattern above.

All the above-mentioned components except the pedal 11 can be made of steel, and the above-mentioned integrated connection can be realized by using existing welding or integral forming or integral bending processes.

Claims (10)

1. A fixed working platform for a construction elevator without scaffolding, characterized in that it includes two load-bearing beams (1) arranged in parallel and fixedly connected with the concrete wall of the shaft at the two feet of the floor door. The above-mentioned load-bearing beams (1) are fixedly connected with the vertically upwardly extending load-bearing vertical poles (2) for fixed connection with the concrete wall of the shaft at the outer side of the shaft at the floor door, and the two load-bearing beams (1) A load-bearing cross bar (9) is fixedly connected between the ends located in the hoistway, and on the load-bearing cross bar (9) is fixed an auxiliary support pole ( 5), the height of the load-bearing pole (2) is greater than the height of the auxiliary support pole (5), and the upper and middle ends of the auxiliary support pole (5) in the vertical direction are respectively connected with the load-bearing pole (2) ) are connected with guardrail iron chains (10), and the upper ends of the two auxiliary support poles (5) are also connected with guardrail iron chains (10). On the two load-bearing beams (1) Pedals (11) are laid. 2. The fixed working platform of a construction elevator without scaffolding according to claim 1, characterized in that: the load-bearing crossbar (9) is also fixed with a secondary protective fixing ring ( 4), the secondary protection fixing ring (4) is connected with a boom (42) with hooks (41) at both ends, the secondary protection fixing ring (4) and the boom (42) One of the hooks (41) is hoisted and connected while the other hook of the boom (42) is hoisted on the fixed bracket (43) used to be installed on the inner wall of the hoistway, and the fixed bracket (43) is provided with A lifting hole for the hanging hook (41). 3. A fixed working platform for a construction elevator without scaffolding according to claim 2, characterized in that an auxiliary reinforcing column (30) is fixed on the load-bearing beam (1) close to the load-bearing cross bar (9), so that A diagonal tie rod (3) is installed between the auxiliary reinforcing column (30) and the load-bearing vertical bar (2), and the auxiliary reinforcing column (30) is inclined upward toward the load-bearing vertical bar (2). 4. A fixed working platform for a construction elevator without scaffolding according to claim 3, characterized in that: between two load-bearing beams (1), between two auxiliary support poles (5), auxiliary support vertical A toe guard (7) is installed between the bar (5) and the load-bearing vertical bar (2). 5. The fixed working platform of a construction elevator without scaffolding according to claim 4, characterized in that: two guardrail iron chains are connected between the auxiliary support pole (5) and the load-bearing pole (2) (10) are all arranged horizontally, and one of them is positioned higher than the other, and the two auxiliary support poles (5) are located between the parts lower than the guardrail iron chain (10) which is lower in position An inner protective cross bar (61) is connected, and an outer protective cross bar (62) is connected between two load-bearing uprights (2) positioned higher than the position of the higher guardrail iron chain (10) therein. 6. The fixed working platform of a construction elevator without scaffolding according to claim 5, characterized in that: a reinforced warning board (620) is fixed on the outer protective cross bar (62). 7. The fixed working platform of a construction elevator without scaffolding according to claim 6, characterized in that: the load-bearing beam (1) includes a main load-bearing plate (11) that fits and fixes to the concrete wall of the hoistway and is connected with the main The upper and lower sides of the bearing plate (11) are integrally connected and perpendicular to the reinforced side bearing plate (12) of the main bearing plate (11). The main bearing plate (11) is provided with a mounting plate for fixed connection with the concrete wall of the hoistway. hole (13). 8. The fixed working platform of a construction elevator without scaffolding according to claim 7, characterized in that: the load-bearing pole (2) includes a main vertical plate (21) that is fixed to the concrete wall of the shaft and is connected to the The left and right sides of the main vertical board (21) are integrally connected and perpendicular to the reinforced side vertical board (22) of the main vertical board (21). The mounting hole (13), wherein the reinforced side vertical plate (22) on one side is fixedly connected with the main bearing plate (11) of the load-bearing beam (1), the reinforced side vertical plate (22) and the main bearing plate (11) ) is provided with a corresponding connecting hole (1122). 9. The fixed working platform of a construction elevator without scaffolding according to claim 8, characterized in that: the height of the load-bearing pole (2) is 1.2-2 times the height of the auxiliary support pole (5). 10. A fixed working platform for a construction elevator without scaffolding according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9, characterized in that the pedal (11) is an aluminum alloy anti-slip pedal And it has a non-slip pattern on it.