Counterweight barrier protection structure

Abstract

The utility model discloses a counterweight barrier protection structure, which is characterized by comprising at least two protection plates, and the two protection plates are respectively arranged on a counterweight guide rail in an up-and-down butt joint mode or a spaced mode through connecting support assemblies. Under the condition of certain strength, the counterweight guide rail fixing device can be quickly mounted without tools, is convenient to dismount, can be matched with counterweight guide rails with different widths and thicknesses in structure, and is high in universality.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to a counterweight barrier protection structure. Background Art

[0002] Item 5.2.5.5.1 of the national standard GB / T7588.1-2020 "Safety Specifications for Elevator Manufacturing and Installation" requires that "barrier protection should be used in the operating area of ​​the counterweight (or balance weight). The protection should meet the following requirements: g) The barrier should have sufficient rigidity to ensure that it can withstand vertical forces at any position and be evenly distributed within 5cm 2 The static force of 300N on the circular (or square) area, and the deformation will not cause collision with the counterweight (or balancing weight)". In order to ensure the safety of maintenance personnel in the elevator pit area, this clause puts forward requirements on the protection area and strength of the counterweight barrier used.

[0003] China Utility Model Authorization Announcement No. CN204038808U uses a fiberglass material with concave and convex longitudinal grooves. The thickness of this structural material is insufficient and the strength is low. Under the static force of 300N, the deformation exceeds the distance from the elevator car to the counterweight and cannot provide effective safety protection. For another example, China Utility Model Authorization Announcement No. CN205634520U uses multiple sets of connecting brackets and bolts to fix several guardrails together. The tightening of multiple bolts requires the use of tools and the installation takes a long time, which is not convenient for installation. Utility Model Content

[0004] The technical problem that the utility model needs to solve is to address the above-mentioned deficiencies of the above-mentioned counterweight barrier protection structure and provide a counterweight barrier protection structure which can be quickly installed without the aid of tools and is easy to disassemble under the condition of having a certain strength, and the structure can match counterweight guide rails of different widths and thicknesses, and has strong versatility.

[0005] The technical problem to be solved by the utility model can be achieved through the following technical solutions:

[0006] A counterweight barrier protection structure comprises at least two protection plates, wherein the two protection plates are respectively installed on a counterweight guide rail by connecting a bracket assembly in an upper and lower butt joint or in a spacing manner.

[0007] In a preferred embodiment of the present invention, the protective plate is hung on the connecting bracket assembly.

[0008] In a preferred embodiment of the utility model, when two protective plates are installed on the counterweight guide rail by connecting bracket assemblies in an upper and lower docking manner, each protective plate is provided with a tenon and a groove on the upper and lower sides respectively, and the tenon on one protective plate is inserted into the groove of the other adjacent protective plate.

[0009] In a preferred embodiment of the present invention, the hardness of the protective plate groove is less than the hardness of the remaining part of the protective plate and has a certain elastic deformation ability.

[0010] In a preferred embodiment of the present utility model, the protective plate is made of mesh, honeycomb or sheet-shaped metal reinforcement ribs and non-metallic material coated on the metal reinforcement ribs.

[0011] In a preferred embodiment of the utility model, a plurality of hanging holes are arranged on the protective plate, a bracket clamp is arranged in the connecting bracket assembly, and the hanging holes are hung on the bracket clamp.

[0012] In a preferred embodiment of the present invention, a hanging hole protective cover is installed in the hanging hole, and the hanging hole protective cover limits the left-right and up-down movement of the protective plate.

[0013] In a preferred embodiment of the present utility model, the connecting bracket assembly includes a connecting bracket, a fixed guide rail clamp and a movable guide rail clamp, the connecting bracket is an L-shaped metal sheet metal, the bracket clamp is fixed on the horizontal side of the L-shaped metal sheet metal, the fixed guide rail clamp and the movable guide rail clamp are installed on the vertical side of the L-shaped metal sheet metal, and the movable guide rail clamp can move relative to the vertical side of the L-shaped metal sheet metal.

[0014] In a preferred embodiment of the utility model, a circular hole and a waist-shaped hole are arranged at intervals on the vertical side of the L-shaped metal sheet metal, and the fixed guide rail clamp passes through the circular hole and is fixed; the movable guide rail clamp passes through the waist-shaped hole and can be moved and fixed in the waist-shaped hole.

[0015] In a preferred embodiment of the present invention, the fixed guide rail clamp and the movable guide rail clamp have the same structure, both comprising a bevel groove gasket, a guide rail clamp and a butterfly nut, the guide rail clamp is in a U-shaped structure, a bolt portion is fixed on one of the vertical sides, and the other vertical side is in contact with the bevel groove gasket, the bolt portion passes through the circular hole and the waist-shaped hole and is screwed to the butterfly nut; the bevel groove gasket is arranged on the vertical side of the L-shaped metal sheet metal.

[0016] In a preferred embodiment of the utility model, the movable guide rail clamp also includes a positioning gasket, the bolt portion in the movable guide rail clamp passes through the positioning gasket, and a positioning pointer is provided on the positioning gasket; a plurality of positioning holes are provided on the vertical side of the L-shaped metal sheet metal, and the plurality of positioning holes are provided above or below the waist-shaped hole, and the hole position of each positioning hole is assigned a code, and the code corresponds one-to-one to the specification of the counterweight guide rail; the butterfly nut in the movable guide rail clamp presses the positioning gasket against the vertical side of the L-shaped metal sheet metal.

[0017] In a preferred embodiment of the utility model, the inclined groove gasket is provided with an inclined groove, and teeth and tooth grooves are provided on the groove edge of the inclined groove; the other vertical side of the guide rail clamp is a beveled side, and teeth and tooth grooves are also provided on the beveled side.

[0018] Due to the adoption of the above technical solution, the utility model has a certain strength and can be quickly installed without the aid of tools. It is easy to disassemble and the structure can match counterweight guide rails of different widths and thicknesses, and has strong versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model in which the counterweight barrier protection structure is installed on the counterweight guide rail.

[0020] Figure 2 This is one of the combined schematic diagrams of two protection plates in the counterweight barrier protection structure of the utility model.

[0021] Figure 3 for Figure 2 An enlarged schematic diagram of point I.

[0022] Figure 4 It is a structural schematic diagram of a connecting bracket assembly in a counterweight barrier protection structure of the utility model. DETAILED DESCRIPTION

[0023] Hereinafter, examples of the present invention will be described with reference to the accompanying drawings.

[0024] Figure 1 This is a structural schematic diagram of the utility model wherein the counterweight barrier protection structure is installed on the counterweight guide rail. The figure discloses the counterweight barrier protection structure, including three protective plates 1a, 1b, and 1c (of course, not limited to three protective plates, it can be more than three, or equal to or less than two. The number and height of the installed protective plates are configured according to the national standard GB / T7588.1-2020 "Safety Specifications for Elevator Manufacturing and Installation".).

[0025] The three protective plates 1a, 1b, and 1c are each mounted on the counterweight guide rail 2 in an up-and-down docking manner through a connecting bracket assembly 3 (of course, they can also be mounted on the counterweight guide rail 2 in an up-and-down spacing manner). The three protective plates 1a, 1b, and 1c are all hung on the connecting bracket assembly 3, and the connecting bracket 3 is fixed to the counterweight guide rail 2 through a fixed guide rail clamp (described in detail later) and a movable guide rail clamp (described in detail later).

[0026] Also, see Figure 2 and Figure 3 , Figure 2 and Figure 3It is a schematic diagram of the combination of two protective plates in the counterweight barrier protection structure of the utility model. When the two protective plates 1a and 1b are respectively installed on the counterweight guide rail 2 by the connecting bracket assembly 3 in an upper and lower docking manner, a tenon 12 and a groove 13 are respectively provided on the upper and lower sides of each protective plate 1a and 1b, and the tenons 12 on the two adjacent protective plates 1a and 1b are inserted into the protective plate grooves 13.

[0027] In order to enable the protective plate groove 13 to clamp the tenon 12 , the hardness of the protective plate groove 13 is less than the hardness of the rest of the protective plate and has a certain elastic deformation ability, so that the protective plate groove 13 can clamp the tenon 12 by its own elasticity.

[0028] In order to reduce the weight of the protective plate and increase the strength of the protective plate, the protective plates 1a and 1b are made of mesh, honeycomb or sheet metal reinforcement ribs 14 and lightweight non-metallic materials such as plastic or rubber coated on the metal reinforcement ribs 14. The metal reinforcement ribs 14 for improving strength are placed inside the protective plates 1a and 1b, which can increase strength while reducing weight.

[0029] Two rows of hanging holes 11 are provided on the protective plates 1a and 1b, with two hanging holes 11 in each row. Figure 4 A bracket chuck 3a is provided in the connecting bracket assembly 3. The bracket chuck 3a has a neck 3aa and a large head 3ab. The neck 3aa is welded or anchored on the connecting bracket assembly 3. The hanging hole 11 is hung on the bracket neck 3aa. A hanging hole protective cover 15 is installed in the hanging hole 11. The hanging hole protective cover 15 limits the left-right and up-and-down movement of the protective plates 1a and 1b.

[0030] Continue to see Figure 4 , Figure 4 The following is a detailed structural diagram of the connecting bracket assembly in the counterweight barrier protection structure of the utility model. The connecting bracket assembly 3 includes a connecting bracket 3b, a fixed guide rail clamp 3c and a movable guide rail clamp 3d. The connecting bracket 3b is fixed to the counterweight guide rail 2 through the fixed guide rail clamp 3c and the movable guide rail clamp 3d. The fixed guide rail clamp 3c is positioned in a predetermined position, and the movable guide rail clamp 3d is adjusted as the width of the counterweight guide rail 2 moves.

[0031] The connecting bracket 3b is an L-shaped metal sheet metal having a horizontal side 3ba and a vertical side 3bb. The neck 3aa of the bracket clamp 3a is welded or anchored on the horizontal side 3ba. The fixed guide rail clamp 3c and the movable guide rail clamp 3d are installed on the vertical side 3bb of the L-shaped metal sheet metal. The movable guide rail clamp 3d can move relative to the vertical side 3bb.

[0032] A plurality of positioning holes (not shown in the figure) or a positioning hole and a waist-shaped hole 3bba are arranged at intervals on the vertical side 3bb of the L-shaped metal sheet, and the fixed rail clamp 3c and the movable rail clamp 3d pass through two positioning holes at different positions or a round hole and a waist-shaped hole 3bba and are fixed. If there are multiple positioning holes, the hole position of each positioning hole is given a code, and the code corresponds to the specification of the counterweight rail.

[0033] The fixed guide rail clamp 3c and the movable guide rail clamp 3d have the same structure, both of which include an inclined groove gasket 3ca, 3da, a guide rail clamp 3cb, 3db and a butterfly nut 3cd, 3dd. The guide rail clamps 3cb, 3db are U-shaped structures, and a bolt portion 3cbb, 3dbb is fixed on one of the vertical sides 3cba, 3dba, and the other vertical side 3cbd, 3dbd is in contact with the inclined groove gasket 3ca, 3da. The bolt portions 3cbb, 3dbb pass through the round hole and the waist-shaped hole 3bba respectively and are screwed with the butterfly nuts 3cd, 3dd.

[0034] In order to facilitate the movement of the mobile guide rail clamp 3d, the mobile guide rail clamp 3d also includes a positioning gasket 3dc, the bolt portion 3dbb in the mobile guide rail clamp 3d passes through the positioning gasket 3dc, and a positioning pointer 3dca is arranged on the positioning gasket 3dc; a plurality of positioning holes 3bbb are arranged on the vertical side 3bb of the L-shaped metal sheet metal, and the plurality of positioning holes 3bbb are arranged above or below the waist-shaped hole 3bba, and the hole position of each positioning hole 3bbb is assigned a code, and the code corresponds to the specification of the counterweight guide rail 2 one by one. In this way, if the specification of the counterweight guide rail 2 is known, the mobile guide rail clamp 3d can be quickly moved to improve the assembly efficiency.

[0035] The butterfly nut 3dd in the movable rail clamp 3d presses the positioning gasket 3dc against the vertical side 3bb of the L-shaped metal sheet.

[0036] The bevel groove gaskets 3ca and 3da are arranged on the vertical side 3bb of the L-shaped metal sheet metal (they can be fixedly connected or not fixedly connected); a bevel groove 3caa and 3daa are provided on the bevel groove gaskets 3ca and 3da, and teeth and tooth grooves are provided on the groove edges of the bevel grooves 3caa and 3daa (not shown in the figure); the other vertical sides 3cbd and 3dbd of the guide rail clamps 3cb and 3db are bevel sides, and teeth and tooth grooves are also provided on the bevel sides (not shown in the figure).

[0037] The assembly surfaces of the guide rail clamps 3cb, 3db and the bevel gaskets 3ca, 3da are inclined surfaces with teeth and grooves, which form working areas suitable for guide rails of different thicknesses. The teeth and grooves also prevent the bevel gaskets 3ca, 3da from falling off during installation and use.

[0038] With the present utility model, the protective plate adopts metal reinforcement ribs 14 and non-metallic covering layer to achieve the effect of light weight and high strength. Tenons 12 and grooves 13 splice multiple protective plates into a whole to form a complete protective surface. The protective plate can be conveniently hung on the positioning clamp 3a of the connecting bracket 3 through the hanging hole 11. The connecting bracket 3 is equipped with a fixed guide rail clamp 3c and a movable guide rail clamp 3d. The installer assembles according to the corresponding relationship between the width specification and the hole position coding of the counterweight guide rail 2. The assembly bevels of the guide rail clamps 3cb, 3db and the bevel gaskets 3ca, 3da can be applied to counterweight guide rails 2 of different thicknesses. The tooth grooves of the bevel provide an anti-slip function. The present utility model is universal, and the entire installation process does not require any tools, which is quick and convenient.

Claims

1. A counterweight barrier protection structure, characterized in that: It comprises at least two protective plates, and the two protective plates are respectively installed on the counterweight guide rail by connecting the bracket assembly in an upper and lower butt joint or spaced manner; The protective plate is hung on the connecting bracket assembly.

2. The counterweight barrier protection structure according to claim 1, characterized in that: When two protective plates are installed on the counterweight guide rail by connecting the bracket assembly in an upper and lower docking manner, each protective plate is provided with a tenon and a groove on the upper and lower sides respectively, and the tenons on the two adjacent protective plates are inserted into the protective plate grooves.

3. The counterweight barrier protection structure according to claim 2, characterized in that: The hardness of the protective plate groove is less than the hardness of the remaining part of the protective plate and has elastic deformation capability.

4. The counterweight barrier protection structure according to claim 1, characterized in that: The protective plate is made of mesh, honeycomb or sheet-shaped metal reinforcement ribs and non-metallic materials coated on the metal reinforcement ribs.

5. The counterweight barrier protection structure according to any one of claims 1 to 4, characterized in that: A plurality of hanging holes are arranged on the protective plate, a bracket clamp is arranged in the connecting bracket assembly, and the hanging holes are hung on the bracket clamp.

6. The counterweight barrier protection structure according to claim 5, characterized in that: A hanging hole protective cover is installed in the hanging hole, and the hanging hole protective cover limits the left-right and up-and-down movement of the protective plate.

7. The counterweight barrier protection structure according to claim 5, characterized in that: The connecting bracket assembly includes a connecting bracket, a fixed guide rail clamp and a movable guide rail clamp. The connecting bracket is an L-shaped metal sheet metal part. The bracket clamp is fixed on the horizontal side of the L-shaped metal sheet metal part. The fixed guide rail clamp and the movable guide rail clamp are installed on the vertical side of the L-shaped metal sheet metal part. The movable guide rail clamp can move relative to the vertical side of the L-shaped metal sheet metal part.

8. The counterweight barrier protection structure according to claim 7, characterized in that: A round hole and a waist-shaped hole are arranged at intervals on the vertical side of the L-shaped metal sheet metal part. The fixed guide rail clamp passes through the round hole and is fixed; the movable guide rail clamp passes through the waist-shaped hole and can be moved and fixed in the waist-shaped hole.

9. The counterweight barrier protection structure according to claim 8, characterized in that: The fixed guide rail clamp and the movable guide rail clamp have the same structure, both including a bevel groove gasket, a guide rail clamp and a butterfly nut. The guide rail clamp is in a U-shaped structure, with a bolt portion fixed on one of the vertical sides, and the other vertical side in contact with the bevel groove gasket. The bolt portion passes through the circular hole and the waist-shaped hole and is screwed to the butterfly nut; the bevel groove gasket is arranged on the vertical side of the L-shaped metal sheet metal.

10. The counterweight barrier protection structure according to claim 9, characterized in that: The movable guide rail clamp also includes a positioning gasket, the bolt portion in the movable guide rail clamp passes through the positioning gasket, and a positioning pointer is arranged on the positioning gasket; a plurality of positioning holes are arranged on the vertical side of the L-shaped metal sheet metal, and the plurality of positioning holes are arranged above or below the waist-shaped hole, and the hole position of each positioning hole is assigned a code, and the code corresponds one-to-one to the specification of the counterweight guide rail; the butterfly nut in the movable guide rail clamp presses the positioning gasket against the vertical side of the L-shaped metal sheet metal.

11. The counterweight barrier protection structure according to claim 9, characterized in that: The inclined groove gasket is provided with an inclined groove, and teeth and tooth grooves are arranged on the groove edge of the inclined groove; the other vertical side of the guide rail clamp is an inclined side, and teeth and tooth grooves are also arranged on the inclined side.

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