A positioning device for hoisting ultra-high and ultra-heavy fire doors

Abstract

This utility model relates to the field of fire door hoisting technology, specifically a positioning device for hoisting ultra-high and ultra-heavy fire doors, comprising: a guide rail; a longitudinal groove is provided on the outer side of the guide rail, and a sliding component is slidably connected to the outer side of the guide rail; there are two guide rails arranged in a linear array, and mounting holes are provided on both the front and rear sides of the interior of the two guide rails, and a connecting component is provided on one side of the guide rail; compared with the traditional method of relying on manual adjustment of the position of the fire door in the hoisted state, this positioning device achieves the positioning of the fire door through components such as guide wheel assembly and bracket assembly, so that the operator does not need to get too close to the fire door, effectively avoiding the risk of harm to personnel caused by the displacement of the fire door, greatly improving the safety of personnel during construction, and solving the problem of insufficient personnel safety in the prior art.

Description

Technical Field

[0001] This utility model relates to the field of fire door hoisting technology, specifically a positioning device for hoisting ultra-high and ultra-heavy fire doors. Background Technology

[0002] Currently, fire doors are defined as doors that can meet the requirements of fire resistance stability, integrity, and thermal insulation within a certain period of time. They are fire-resistant partitions with a certain degree of fire resistance, installed in fire compartments, evacuation stairwells, vertical shafts, and other similar spaces. The assembly of fire doors requires the use of lifting machinery such as cranes.

[0003] However, existing fire doors require manual adjustment during hoisting and assembly to achieve precise assembly. This method of assembly can lead to personnel getting too close to the fire door, which could cause injury due to the door's displacement.

[0004] Therefore, this utility model proposes a positioning device for hoisting ultra-high and ultra-heavy fire doors to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a positioning device for hoisting ultra-high and ultra-heavy fire doors, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a positioning device for hoisting ultra-high and ultra-heavy fire doors, comprising: a guide rail; a longitudinal groove is provided on the outer side of the guide rail, and a sliding component is slidably connected to the outer side of the guide rail;

[0007] The guide rail is provided in two places, and the two guide rails are arranged in a linear array. The front and rear sides of the interior of the two guide rails are provided with mounting holes, and a connecting component is provided on one side of the guide rail.

[0008] Preferably, the sliding assembly includes a slider and a bracket; the slider is adapted to slide on the guide rail, and the top surface of the slider is fixedly connected to the bracket, and the inner side of the bracket is rotatably connected to two guide shafts in a linear array, and the outer side of the guide shafts is rotatably connected to a guide wheel assembly.

[0009] Preferably, the inner sidewall of the slider is provided with rollers at equal intervals, and the rollers are adapted to slide and connect with the guide rail.

[0010] Preferably, the connecting assembly includes a base plate, a support plate, and a positioning block; the base plate is fixedly connected in a linear array to the inner positions of the two guide rails, and a fixing plate is provided on the top surface of the base plate located on the rear side, and the fixing plate is fixedly connected to the base plate by fixing bolts, and the side of the fixing plate is fixedly connected to the support plate, and a positioning block is fixedly provided on one side of the support plate, and the positioning block is adapted to and connected to the positioning groove on one side of the guide rail, and the support plate is fixedly connected to the guide rail by fixing bolts.

[0011] Preferably, a hydraulic cylinder is fixedly connected to the rear end face of the support plate, and a connecting plate is fixedly connected to the rear side of the hydraulic cylinder. The connecting plate is arranged horizontally and is located inside the two supports. The connecting plate is fixedly connected to the supports by fixing bolts.

[0012] Preferably, a fixing bolt is provided inside the mounting hole for a corresponding connection.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] Compared to the traditional method of manually adjusting the position of a fire door during hoisting, this positioning device uses guide wheel assemblies and bracket assemblies to position the fire door. Operators do not need to get too close to the fire door, effectively avoiding the risk of injury due to door displacement and greatly improving personnel safety during construction. This solves the problem of insufficient personnel safety in existing technologies. Through the cooperation of guide rails and sliding mechanisms, the position of the positioning device can be flexibly adjusted. The guide wheel assembly acts as a buffer and allows for fine-tuning during fire door positioning. Combined with the precise control of the bracket assembly via a hydraulic cylinder and connecting plate, the positioning of the fire door is more accurate. This precise positioning reduces the number of repeated adjustments, improves the efficiency of fire door hoisting and assembly, and solves the problems of inaccurate positioning and low construction efficiency in existing technologies. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the overall exploded structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the guide rail structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the support plate structure of this utility model;

[0019] Figure 5 This is a schematic diagram of the slider structure of this utility model.

[0020] In the figure: guide rail 1, mounting hole 101, fixing bolt 102, positioning groove 103, base plate 2, support plate 201, positioning block 202, fixing plate 203, hydraulic cylinder 204, connecting plate 205, slider 3, roller 301, bracket 302, guide shaft 303, guide wheel assembly 304. Detailed Implementation

[0021] The technical solutions in the embodiments of this utility model will be clearly and completely described below. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0022] Please see Figures 1 to 5 A positioning device for hoisting ultra-high and ultra-heavy fire doors; this utility model provides three technical solutions:

[0023] Example 1: A positioning device for hoisting ultra-high and ultra-heavy fire doors includes: a guide rail 1; a longitudinal groove is provided on the outer side of the guide rail 1, and a sliding component is slidably connected to the outer side of the guide rail 1; there are two guide rails 1, which are arranged in a linear array, and mounting holes 101 are provided on the front and rear sides of the interior of the two guide rails 1, and a connecting component is provided on one side of the guide rail 1.

[0024] Before using this positioning device for hoisting ultra-high and ultra-heavy fire doors, first fix the two guide rails 1 to the ground through the mounting holes 101 and fixing bolts 102. Screw the fixing bolts 102 into the mounting holes 101, and then connect them firmly to the corresponding installation positions on the ground to ensure that the guide rails 1 are stably installed on the ground, providing a stable foundation for subsequent operations.

[0025] Example 2: Based on Example 1, the slider 3 in the sliding assembly is adapted to slide on the guide rail 1, and a bracket 302 is fixedly connected to the top surface of the slider 3. The inner side of the bracket 302 is rotatably connected to two guide shafts 303 in a linear array, and the outer side of the guide shafts 303 is rotatably connected to a guide wheel assembly 304.

[0026] Rollers 301 are equidistantly and movably arranged on the inner side wall of slider 3, and the rollers 301 are adapted to slide and connect with guide rail 1; guide wheel assembly 304, guide shaft 303 and bracket 302 together form the positioning structure for fire door.

[0027] After the guide rail 1 is installed, the sliding component is slidably connected to the longitudinal groove on the outer side of the guide rail 1 through the slider 3 on its inner side. Since the slider 3 has a concave structure, it can better cooperate with the guide rail 1 and ensure the stability of sliding. The slider 3 can move along the longitudinal groove of the guide rail 1 to adjust its position on the guide rail 1.

[0028] The bracket assembly 302 fixedly connected to the top surface of the sliding door 3, the guide shaft 303 rotatably connected inside the guide shaft 303, and the guide wheel assembly 304 rotatably connected outside the guide shaft 303 together form the positioning structure of the fire door. When the fire door is lifted by the crane and approaches the positioning device, by adjusting the position of the sliding door 3 on the guide rail 1, the guide wheel assembly 304 is aligned with the edge of the fire door. The edge of the fire door contacts the guide wheel assembly 304, and the guide wheel assembly 304 rotates on the guide shaft 303, reducing the friction between the fire door and the positioning device, and facilitating fine-tuning and positioning of the fire door.

[0029] Example 3: Based on Example 2, the base plate 2 in the connecting assembly is fixedly connected in a linear array to the inner side of the two guide rails 1. The top surface of the base plate 2 located on the rear side is provided with a fixing plate 203, and the fixing plate 203 is fixedly connected to the base plate 2 by fixing bolts. The side of the fixing plate 203 is fixedly connected to the support plate 201. A positioning block 202 is fixedly provided on one side of the support plate 201. The positioning block 202 is adapted to the positioning groove 103 on one side of the guide rail 1. The support plate 201 is fixedly connected to the guide rail 1 by fixing bolts.

[0030] A hydraulic cylinder 204 is fixedly connected to the rear end face of the support plate 201, and a connecting plate 205 is fixedly connected to the rear side of the hydraulic cylinder 204. The connecting plate 205 is set to be horizontal, and the connecting plate 205 is located inside the two supports 302. The connecting plate 205 is fixedly connected to the support 302 by fixing bolts.

[0031] The mounting hole 101 is internally fitted with a fixing bolt 102, which is used to connect to the ground.

[0032] To better position the fire door, when further adjustment of the fire door's position is required, the hydraulic cylinder 204 is activated. The hydraulic cylinder 204 extends and retracts, driving the connecting plate 205 to move, thereby pushing or pulling the bracket 302, achieving precise adjustment of the fire door's position and ensuring accurate assembly of the fire door.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A positioning device for hoisting ultra-high and ultra-heavy fire doors, comprising: Guide rail (1); a longitudinal groove is provided on the outer side of the guide rail (1), and a sliding component is slidably connected to the outer side of the guide rail (1); The feature is that: the guide rail (1) is provided in two places, the two guide rails (1) are arranged in a linear array, the front and rear sides of the two guide rails (1) are provided with mounting holes (101), and a connecting component is provided on one side of the guide rail (1).

2. The positioning device for hoisting ultra-high and ultra-heavy fire doors according to claim 1, characterized in that: The sliding assembly includes a slider (3) and a bracket (302); the slider (3) is adapted to slide on the guide rail (1), and the bracket (302) is fixedly connected to the top surface of the slider (3), and the inner side of the bracket (302) is rotatably connected to two guide shafts (303) in a linear array, and the outer side of the guide shafts (303) is rotatably connected to a guide wheel assembly (304).

3. The positioning device for hoisting ultra-high and ultra-heavy fire doors according to claim 2, characterized in that: The inner sidewall of the slider (3) is provided with rollers (301) at equal intervals, and the rollers (301) are adapted to slide and connect with the guide rail (1).

4. The positioning device for hoisting ultra-high and ultra-heavy fire doors according to claim 1, characterized in that: The connecting assembly includes a base plate (2), a support plate (201), and a positioning block (202). The base plate (2) is fixedly connected in a linear array to the inner side of two guide rails (1). A fixing plate (203) is provided on the top surface of the base plate (2) located on the rear side. The fixing plate (203) is fixedly connected to the base plate (2) by fixing bolts. The side of the fixing plate (203) is fixedly connected to the support plate (201). A positioning block (202) is fixedly provided on one side of the support plate (201). The positioning block (202) is adapted to the positioning groove (103) on one side of the guide rail (1). The support plate (201) is fixedly connected to the guide rail (1) by fixing bolts.

5. A positioning device for hoisting ultra-high and ultra-heavy fire doors according to claim 4, characterized in that: A hydraulic cylinder (204) is fixedly connected to the rear end face of the support plate (201), and a connecting plate (205) is fixedly connected to the rear side of the hydraulic cylinder (204). The connecting plate (205) is set to be horizontal, and the connecting plate (205) is located inside the two supports (302). The connecting plate (205) is fixedly connected to the support (302) by fixing bolts.

6. A positioning device for hoisting ultra-high and ultra-heavy fire doors according to claim 1, characterized in that: A fixing bolt (102) is adapted to be connected inside the mounting hole (101).

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