A kind of liftable guardrail for maintenance platform

Abstract

The utility model relates to the technical field of liftable guardrails, and particularly discloses a liftable guardrail for a maintenance platform. The liftable guardrail body is moved upward, and the guardrail latch is inserted into a lower positioning hole under the elastic force of a guardrail compression spring, so that the liftable guardrail body is in the highest position, which plays a protective role for maintenance and operating personnel. When a maintenance platform bracket is not in use, the guardrail latch is moved to the left, and the guardrail latch is hung on a guardrail fixing pin in a "7" shape, so that the guardrail latch is disengaged from the lower positioning hole of the liftable guardrail body, and the liftable guardrail body is lowered to the lowest position along the guardrail shaft sleeve, and then the guardrail latch is inserted into the upper positioning hole of the stainless steel pipe of the liftable guardrail body, so that the liftable guardrail body is fixed and unlocked by sliding the guardrail latch, so that effective safety protection can be achieved when in use and the effect of being able to be stored and saved space when idle is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of liftable guardrails, in particular to a liftable guardrail for a maintenance platform. Background Art

[0002] Lifting cranes are common equipment on construction sites. Their general structure includes a base, a lifting device (mostly scissor-type) and a platform railing. The platform railing is an important safety guarantee for workers. The protective frame body is provided with an anti-tipping structure to prevent objects from tipping over the upper fence. The anti-tipping structure can prevent objects and personnel on the lifting platform from accidentally crossing the protective frame body, and can prevent objects and personnel from falling, thereby avoiding damage to objects and injuries to personnel, further improving safety.

[0003] At present, an existing elevator platform railing (such as patent number: CN220078528U) discloses an elevator platform railing, including a platform seat, an outer guardrail assembly is fixed on the upper part of the platform seat, an inner guardrail assembly is arranged inside the outer guardrail assembly, and a sliding assembly is arranged on the inner guardrail assembly. The outer guardrail assembly includes a rear guardrail and a left guardrail and a right guardrail respectively arranged on the left and right sides of the rear guardrail, the left guardrail and the rear guardrail are fixedly arranged on the platform seat, one side of the right guardrail is hinged to the rear guardrail, and the other side thereof is fixed with a pin shaft, and a pin hole for plugging the pin shaft is provided on the platform seat. The inner guardrail assembly of the utility model can be moved on the outer guardrail assembly, which is convenient for adjustment operations at high altitudes, and there is no need to move the elevator as a whole, thereby reducing the risk of operations; in addition, one side of the right guardrail is hinged to the rear guardrail and can be opened and closed, which is convenient for disassembly and maintenance.

[0004] However, in the process of implementing the above technical solution, it was found that at least the following technical problems exist: the existing elevator platform railing has a complex structure and is difficult to operate, does not have the characteristics of compatible safety protection and space storage, occupies a large space when idle, and the complex structure increases the failure rate. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the shortcomings of the prior art, the utility model provides a liftable guardrail for a maintenance platform, which solves the technical problems that the existing lift platform railing has a complex structure and is difficult to operate, lacks the characteristics of compatible safety protection and space storage, occupies a large space when idle, and has a complex structure that increases the failure rate.

[0007] (II) Technical solution

[0008] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0009] A liftable guardrail for a maintenance platform, comprising a maintenance platform bracket, two guardrail sleeves symmetrically welded to the top of the maintenance platform bracket, and a liftable guardrail body slidably mounted on the inner side wall of the guardrail sleeve; wherein the liftable guardrail body is composed of two upper and lower U-shaped stainless steel round tubes and a plurality of longitudinal stainless steel round tubes in the middle, an upper positioning hole is opened on the round tube of the liftable guardrail body, and a lower positioning hole is opened on the round tube of the liftable guardrail body; wherein the upper positioning hole and the lower positioning hole are located on four of the round tubes of the liftable guardrail body, a guardrail fixing pin is welded on the maintenance platform bracket, four guardrail positioning blocks are welded on the side end of the maintenance platform bracket, guardrail latches are slidably mounted on the inner side walls of the four guardrail positioning blocks, and spring fixing blocks are welded on the four guardrail latches.

[0010] Preferably: guardrail compression springs are fixedly mounted on the outer side walls of the four guardrail latches;

[0011] Wherein, the guardrail compression spring is located between the guardrail latch and the guardrail positioning block.

[0012] Preferably: four maintenance platform wheels are evenly fixedly installed on the bottom end of the maintenance platform bracket, and a plurality of maintenance platform anti-skid pedals are fixedly installed on the side end of the maintenance platform bracket; wherein the upper surface of the maintenance platform anti-skid pedal has a plurality of protrusions for anti-skid.

[0013] (III) Beneficial effects

[0014] 1. Move the main body of the liftable guardrail upward, and the guardrail pin is inserted into the lower positioning hole under the elastic force of the guardrail compression spring, so that the main body of the liftable guardrail is in the highest position, which plays a protective role for maintenance and operating personnel. When the maintenance platform bracket is not in use, move the guardrail pin to the left (overcoming the pressure of the guardrail compression spring), and the "7"-shaped hook of the guardrail pin is hung on the guardrail fixing pin, so that the guardrail pin is disengaged from the lower positioning hole of the liftable guardrail main body, and the liftable guardrail main body is lowered to the lowest position along the guardrail shaft sleeve, and then the guardrail pin is inserted into the upper positioning hole of the stainless steel pipe of the liftable guardrail main body, so that the liftable guardrail main body is fixed, saving the occupied space of the liftable guardrail main body, and the fixation and unlocking of the liftable guardrail main body are completed by sliding the guardrail pin, so that effective safety protection can be achieved when in use and space can be stored when idle.

[0015] 2. When it needs to be moved, you only need to push the maintenance platform bracket. The maintenance platform wheels at the bottom of the maintenance platform bracket will roll to reduce friction, so that the maintenance platform bracket can be moved conveniently. The multiple protrusions on the anti-slip pedal of the maintenance platform can have an anti-slip effect, and can effectively cope with outdoor operations in rainy and snowy weather. The maintenance platform anti-slip pedal and maintenance platform wheels increase the practicality and convenience of the equipment, and the simple structure of the equipment can effectively reduce the failure rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings.

[0017] Figure 1 This is a main structural diagram of the liftable guardrail of the utility model.

[0018] Legend: 1. Maintenance platform bracket; 2. Anti-slip pedal of maintenance platform; 3. Wheels of maintenance platform; 4. Upper positioning hole; 5. Liftable guardrail body; 6. Guardrail latch; 7. Guardrail fixing pin; 8. Guardrail positioning block; 9. Guardrail compression spring; 11. Lower positioning hole; 12. Guardrail bushing; 13. Spring fixing block. DETAILED DESCRIPTION

[0019] The embodiment of the present application provides a liftable guardrail for a maintenance platform, which effectively solves the technical problems of an existing lift platform railing, which has a complex structure and is difficult to operate, is not compatible with the characteristics of safety protection and space storage, occupies a large space when idle, and has a complex structure that increases the failure rate. The liftable guardrail body is moved upward, and the guardrail latch is inserted into the lower positioning hole under the elastic force of the guardrail compression spring, so that the liftable guardrail body is in the highest position, which plays a protective role for maintenance and operating personnel. When the maintenance platform bracket is not in use, the guardrail latch is moved to the left (to overcome the pressure of the guardrail compression spring), and the "7"-shaped bend hook of the guardrail latch is hung on the guardrail fixing pin, so that the guardrail latch is disengaged from the lower positioning hole of the liftable guardrail body, and the liftable guardrail body is lowered to the lowest position along the guardrail shaft sleeve, and then the guardrail latch is inserted into the liftable guardrail body. The upper positioning hole of the stainless steel tube of the guardrail body can fix the liftable guardrail body in place, saving the space occupied by the liftable guardrail body. The fixation and unlocking of the liftable guardrail body is completed by sliding the guardrail latch, which achieves the effect of effective safety protection when in use and being able to be stored and save space when idle. When it needs to be moved, it is only necessary to push the maintenance platform bracket, and the maintenance platform wheels at the bottom of the maintenance platform bracket will roll to reduce friction, so that the maintenance platform bracket can be moved conveniently. The multiple protrusions on the anti-slip pedal of the maintenance platform can have an anti-slip effect, which can effectively cope with outdoor operations in rainy and snowy weather. The maintenance platform anti-slip pedal and maintenance platform wheels increase the practicability and convenience of the equipment, and the simple structure of the equipment can effectively reduce the failure rate.

[0020] Example

[0021] like Figure 1 As shown, the technical solution in the embodiment of the present application effectively solves the technical problems that the existing elevator platform railing has a complex structure and is difficult to operate, does not have the characteristics of compatible safety protection and space storage, occupies a large space when idle, and has a complex structure that increases the failure rate. The overall idea is as follows:

[0022] In view of the problems existing in the prior art, the utility model provides a liftable guardrail for a maintenance platform, comprising a maintenance platform bracket 1, two guardrail sleeves 12 are symmetrically welded to the top of the maintenance platform bracket 1, and a liftable guardrail body 5 is slidably installed on the inner side wall of the guardrail sleeve 12; wherein the liftable guardrail body 5 is composed of two upper and lower U-shaped stainless steel round tubes and a plurality of longitudinal stainless steel round tubes in the middle.

[0023] An upper positioning hole 4 is opened on the round tube of the liftable guardrail body 5, and a lower positioning hole 11 is opened on the round tube of the liftable guardrail body 5; wherein, the upper positioning hole 4 and the lower positioning hole 11 are located on four of the round tubes of the liftable guardrail body 5, a guardrail fixing pin 7 is welded on the maintenance platform bracket 1, and four guardrail positioning blocks 8 are welded on the side end of the maintenance platform bracket 1, and the inner side walls of the four guardrail positioning blocks 8 are slidably installed with guardrail latches 6, and the four guardrail latches 6 are welded with spring fixing blocks 13.

[0024] Guardrail compression springs 9 are fixedly installed on the outer sides of the four guardrail latches 6; wherein, the guardrail compression springs 9 are located between the guardrail latches 6 and the guardrail positioning blocks 8; four maintenance platform wheels 3 are evenly fixedly installed on the bottom end of the maintenance platform bracket 1; and a plurality of maintenance platform anti-slip pedals 2 are fixedly installed on the side ends of the maintenance platform bracket 1; wherein, the upper surface of the maintenance platform anti-slip pedals 2 has a plurality of protrusions for anti-slipping.

[0025] Working principle:

[0026] When the maintenance platform bracket 1 is not in use, the guardrail latch 6 is moved to the left (overcoming the pressure of the guardrail compression spring 9), and the "7"-shaped hook of the guardrail latch 6 is hung on the guardrail fixing pin 7, so that the guardrail latch 6 is disengaged from the lower positioning hole 11 of the liftable guardrail main body 5, and the liftable guardrail main body 5 is lowered to the lowest position along the guardrail shaft sleeve 12, and then the guardrail latch 6 is inserted into the upper positioning hole 4 of the stainless steel pipe of the liftable guardrail main body 5, so that the liftable guardrail main body 5 is fixed, saving the occupied space of the liftable guardrail main body 5, and the fixed unlocking of the liftable guardrail main body 5 is completed by sliding the guardrail latch 6, so that effective safety protection can be achieved when in use and space can be stored when idle.

[0027] In the second step, when it is necessary to move, you only need to push the maintenance platform bracket 1, and the maintenance platform wheels 3 at the bottom of the maintenance platform bracket 1 will roll to reduce friction, so that the maintenance platform bracket 1 can be moved conveniently. The multiple protrusions on the surface of the maintenance platform anti-slip pedal 2 can have an anti-slip effect and can effectively cope with outdoor operations in rainy and snowy weather. The maintenance platform anti-slip pedal 2 and the maintenance platform wheels 3 increase the practicability and convenience of the equipment, and the simple structure of the equipment can effectively reduce the failure rate.

[0028] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims

1. A raisable guardrail for a maintenance platform, comprising a maintenance platform bracket (1), characterized in that: Two guardrail sleeves (12) are symmetrically welded to the top of the maintenance platform bracket (1), and a liftable guardrail body (5) is slidably mounted on the inner side wall of the guardrail sleeve (12); The main body (5) of the liftable guardrail is composed of two upper and lower U-shaped stainless steel round tubes and a plurality of longitudinal stainless steel round tubes in the middle.

2. A raisable guardrail for a maintenance platform as claimed in claim 1, characterized in that: An upper positioning hole (4) is provided on the circular tube of the liftable guardrail body (5), and a lower positioning hole (11) is provided on the circular tube of the liftable guardrail body (5); The upper positioning hole (4) and the lower positioning hole (11) are located on four of the circular tubes of the liftable guardrail body (5).

3. A raisable guardrail for a maintenance platform as claimed in claim 1, characterized in that: A guardrail fixing pin (7) is welded to the maintenance platform bracket (1), and four guardrail positioning blocks (8) are welded to the side end of the maintenance platform bracket (1).

4. A raisable guardrail for a maintenance platform as claimed in claim 3, characterized in that: Guardrail latches (6) are slidably mounted on the inner side walls of the four guardrail positioning blocks (8), and spring fixing blocks (13) are welded to the four guardrail latches (6).

5. A raisable guardrail for a maintenance platform as claimed in claim 4, characterized in that: Guardrail compression springs (9) are fixedly mounted on the outer side walls of the four guardrail latches (6); The guardrail compression spring (9) is located between the guardrail latch (6) and the guardrail positioning block (8).

6. The escalable guardrail for a maintenance platform according to claim 1, characterized in that: Four maintenance platform wheels (3) are evenly and fixedly mounted on the bottom end of the maintenance platform bracket (1), and a plurality of maintenance platform anti-slip pedals (2) are fixedly mounted on the side end of the maintenance platform bracket (1); The upper surface of the maintenance platform anti-skid pedal (2) has a plurality of protrusions for anti-skid function.

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