Movable safety production working platform

Abstract

The utility model discloses a mobile safety production work platform relates to mobile work platform technical field, including support frame body, lift subassembly and lift platform, lift subassembly installs on the support frame body, lift platform is connected on the lift subassembly, lift subassembly drives lift platform to move up and down on the support frame body, and the lift platform is connected on the lift subassembly. End beam walking devices are arranged on the two sides of the bottom of the supporting frame body. According to the movable type safety production working platform, through vertical movement of the movable ladder, maintenance personnel can conveniently go down to a hearth from the working platform so as to work in the hearth, the effect that the maintenance personnel can conveniently move is achieved, the moving area of the maintenance personnel is increased, and the working efficiency is improved. And the situation that the maintenance personnel can move into the hearth only by driving the platform to descend through hoisting equipment is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of mobile working platforms, and more specifically to a mobile safe production working platform. Background Art

[0002] Acheson graphitization furnace is a large industrial furnace used to convert carbonaceous materials into artificial graphite, and is used to mass produce graphite crucibles. During the use of the Acheson graphitization furnace, a production work platform will be set up and extended into the furnace for workers to work in the furnace. The set support platform has multiple uses: 1. It can provide workers with a convenient mobile platform when loading the crucible to improve the efficiency of workers loading the furnace; 2. After the Acheson graphitization furnace is roasted, the internal residue needs to be cleaned, and the support platform can be used to load the cleaned residue to improve the cleaning efficiency; 3. After the Acheson graphitization furnace is used, the internal sensor electrodes need to be maintained to improve the service life of the Acheson graphitization furnace.

[0003] A lifting device is provided on the top of the furnace of the Acheson graphitization furnace, or a lifting device such as a winch is used on the mobile platform to drive the platform to rise and fall. For example, Chinese patent application number 202321039710.6 discloses a boiler furnace maintenance lifting platform, which is provided with a winch and a traction rope. One end of the traction rope is connected to a suspension device preset on the top of the boiler, and the other end of the traction rope is wound around the winch. The winch is connected to the load-bearing beam, and the rise and fall of the platform are controlled by the retracting and releasing of the winch. However, the boiler furnace maintenance lifting platform still has the following problems: when performing furnace maintenance, maintenance personnel are required to frequently travel back and forth between the platform and the ground, and the maintenance platform can only achieve the movement of maintenance personnel by rising and falling the platform, which causes inconvenience to the maintenance personnel. At the same time, during maintenance, maintenance personnel are required to go down from the platform into the furnace, and the platform lacks a structure that facilitates maintenance personnel to move into the furnace. Since there is charge piled up in the furnace and the heights of the charge are different, it is not convenient for the platform to descend to the surface of the charge.

[0004] Therefore, it is necessary to propose a mobile safe production work platform to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the above problems, the utility model provides a mobile safe production work platform; it facilitates maintenance personnel to move from the platform to the bottom of the furnace, and at the same time, facilitates maintenance personnel to move back and forth between the platform and the ground, thereby increasing the activity area.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0009] A mobile safety production work platform, comprising a support frame, a lifting assembly and a lifting platform, wherein the lifting assembly is mounted on the support frame, the lifting platform is connected to the lifting assembly, the lifting assembly drives the lifting platform to move up and down on the support frame, and end beam walking devices are arranged on both sides of the bottom of the support frame;

[0010] The support frame is composed of a crossbeam, a platform support device, a guide assembly and a lifting frame. The platform support device is vertically connected to the middle of the crossbeam, the lifting frame is connected to one side of the platform support device, the interior of the lifting frame is symmetrically connected with guide rails, and the guide assembly is connected to the top of the platform support device;

[0011] The lifting platform includes a working platform and lifting rods fixed at four corners, the lifting rods are slidably connected to the guide rails in the lifting frame, the lifting assembly is composed of a driving device and a steel wire rope, the output end of the driving device is connected to a roller, one end of the steel wire rope is connected to the roller, and the other end of the steel wire rope is connected to the lifting rod, and the steel wire rope passes through the guide assembly;

[0012] A connecting frame is connected between two adjacent lifting rods, a fixed ladder is connected to the connecting frame, the bottom of the fixed ladder is connected to the working platform, a mobile ladder is connected to the inside of the fixed ladder for sliding up and down, a pedal is connected to the bottom of the mobile ladder, a manhole running through the whole is opened on the top of the working platform, and a cover plate is connected to the top of the manhole through a hinge.

[0013] Preferably, both ends of the movable ladder are connected to fixed plates, the bottom two sides of the fixed ladder are connected to protective shells, an extrusion block is laterally slidably connected inside the protective shell, the opposite sides of the extrusion block and the fixed plate are provided with mutually meshing tooth surfaces, the other end of the extrusion block is threadedly connected to the protective shell through a threaded rod, and the end is connected to a handle.

[0014] Preferably, the tops of both ends of the working platform are rotatably connected with cross-arranged rotating guardrails, and limiting rods for limiting the rotating guardrails are arranged on both sides of the top of the working platform.

[0015] Preferably, a slide rail is provided inside the fixed ladder, a slider is slidably connected to the slide rail, and the slider is connected to the movable ladder.

[0016] Preferably, a baffle is connected to the lifting frame.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. This device is provided with a fixed ladder and a movable ladder on the working platform. By moving the movable ladder up and down, it is convenient for maintenance personnel to go down from the working platform to the furnace to carry out work in the furnace. It is convenient for maintenance personnel to move, increases the activity area of ​​maintenance personnel, and avoids the situation that the platform needs to be driven down by lifting equipment so that maintenance personnel can move into the furnace.

[0019] 2. This device is provided with a pedal at the bottom of the mobile ladder. When the maintenance personnel move to the bottom of the ladder, the pedal can provide stable support for them, so that the maintenance personnel can observe the terrain before moving. At the same time, they can also move upwards through the fixed ladder and return to the ground. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a three-dimensional schematic diagram of the connection structure between the working platform and the lifting rod in the utility model;

[0022] Figure 3 It is a three-dimensional schematic diagram of the connection structure between the fixed ladder and the mobile ladder in the utility model;

[0023] Figure 4 It is a three-dimensional cross-sectional schematic diagram of the connection structure between the fixed plate and the extrusion block in the utility model.

[0024] Reference numerals:

[0025] 101. Support frame; 102. Lifting assembly; 103. Lifting platform; 104. Crossbeam; 105. Platform support device; 106. Guide assembly; 107. Lifting frame; 108. Baffle; 109. Working platform; 110. Lifting rod; 111. Driving device; 112. Wire rope; 113. Connecting frame; 114. Fixed ladder; 115. Mobile ladder; 116. Pedal; 117. Cover plate; 118. Fixed plate; 119. Protective shell; 120. Extrusion block; 121. Handle; 122. Rotating guardrail; 123. Limit rod; 124. Slider. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-4A mobile safety production work platform includes a support frame 101, a lifting assembly 102 and a lifting platform 103. The support frame 101 is horizontally placed on the top of the Acheson graphitization furnace. Both sides of the top of the Acheson graphitization furnace are provided with driving tracks parallel to the Acheson graphitization furnace. Both sides of the bottom of the support frame 101 are provided with end beam walking devices. A reducer and a moving wheel are installed inside the end beam walking device. The end beam walking device drives the support frame 101 to move axially along the driving track to expand the lifting The movable area of ​​the platform 103, the lifting assembly 102 is installed on the support frame 101, and the lifting platform 103 is connected to the lifting assembly 102. Specifically, the lifting platform 103 is lifted up and down on the support frame 101, and the support frame 101 can move horizontally on the Acheson graphitization furnace to complete the work at any position in the furnace. The lifting assembly 102 drives the lifting platform 103 to move up and down on the support frame 101, and the end beam walking devices are arranged on both sides of the bottom of the support frame 101;

[0028] refer to Figure 1 The support frame 101 is composed of a crossbeam 104, a platform support device 105, a guide assembly 106 and a lifting frame 107. The crossbeam 104 is used to fix the platform support device 105. The guide assembly 106 is located at the top of the platform support device 105 and is used to change the direction of the wire rope 112. The platform support device 105 is vertically connected to the middle of the crossbeam 104. The lifting frame 107 is connected to one side of the platform support device 105. The interior of the lifting frame 107 is symmetrically connected with a guide rail, which is used to stabilize the up and down sliding of the lifting rod 110. The length of the guide rail is the same as that of the lifting frame 107. The lifting rod 110 can move downward from the lifting frame 107 for a distance to increase the descending distance of the lifting platform 103, but it cannot be completely separated from the lifting frame 107. The guide assembly 106 is connected to the top of the platform support device 105;

[0029] refer to Figure 1 and Figure 2 The lifting platform 103 includes a work platform 109 and lifting rods 110 fixed at four corners. The lifting rods 110 are slidably connected to the guide rails in the lifting frame 107. The lifting assembly 102 is composed of a driving device 111 and a wire rope 112. The driving device 111 is a device that can provide rotational power, preferably a reduction motor, and has a protection level of IP65 or above, an insulation level of H or above, and needs to be able to withstand a high temperature of 150 degrees continuously. The output end of the driving device 111 is connected to a roller, and one end of the wire rope 112 is connected to the roller. The output end of the driving device 111 drives the roller to rotate, thereby driving the work platform 109 to rise and fall through the wire rope 112. The other end of the wire rope 112 is connected to the lifting rod 110, and the wire rope 112 passes through the guide assembly 106;

[0030] refer to Figure 2 and Figure 3 A connecting frame 113 is connected between two adjacent lifting rods 110, and the connecting frame 113 is used to support the top of a fixed ladder 114. A cross bar is arranged between the two connecting frames 113 for maintenance personnel to grasp. A fixed ladder 114 is connected to the connecting frame 113, and the bottom of the fixed ladder 114 is connected to the working platform 109. A mobile ladder 115 is connected to the fixed ladder 114 so as to slide up and down inside the fixed ladder 114. The mobile ladder 115 moves up and down inside the fixed ladder 114, so that it is convenient for maintenance personnel to move down along the ladder into the furnace. The two sides of the working platform 109 are open to facilitate the moving in and out of the crucible. A pedal 116 is connected to the bottom of the mobile ladder 115, and the pedal 116 is convenient for maintenance personnel to step on. A manhole that runs through the whole is opened on the top of the working platform 109, and a cover plate 117 is connected to the top of the manhole through a hinge. The cover plate 117 covers the manhole. When the cover plate 117 is opened, it can move down along the ladder into the furnace.

[0031] Specifically, refer to Figure 3 and Figure 4 , both ends of the mobile ladder 115 are connected with fixed plates 118, and tooth surfaces are provided on the fixed plate 118 and the extrusion block 120. After the extrusion block 120 is pressed on the fixed plate 118, the fixed plate 118 is fixed by the tooth surfaces, thereby fixing the mobile ladder 115, so that the maintenance personnel can smoothly move from the fixed ladder 114 to the mobile ladder 115, and the bottom two sides of the fixed ladder 114 are connected with a protective shell 119, and the extrusion block 120 is laterally slidably connected in the protective shell 119, and the extrusion block 120 and the fixed plate 118 are provided with mutually meshing tooth surfaces on the opposite side, and a threaded rod is provided on one side of the extrusion block 120, and the threaded rod is threadedly connected to the protective shell 119, and the extrusion block 120 is pushed toward the fixed plate 118 by rotation, and the other end of the extrusion block 120 is threadedly connected to the protective shell 119 through the threaded rod, and the end is connected with a handle 121.

[0032] Specifically, refer to Figure 2 The tops of both ends of the working platform 109 are rotatably connected with cross-arranged rotating guardrails 122. The rotating guardrails 122 can be rotated to the side with the fixed ladder 114, and can also be rotated to the two sides of the working platform 109, so as to protect the two sides of the working platform 109. Limit rods 123 for limiting the rotating guardrails 122 are arranged on both sides of the top of the working platform 109. The limit rods 123 play a limiting role to prevent the rotating guardrails 122 from rotating to areas outside the working platform 109.

[0033] Specifically, refer to Figure 4A slide rail is provided inside the fixed ladder 114 , and the slide rail is used to stabilize the up and down movement of the mobile ladder 115 inside the fixed ladder 114 . A slider 124 is slidably connected to the slide rail, and the slider 124 is connected to the mobile ladder 115 .

[0034] Specifically, refer to Figure 1 and Figure 2 The lifting frame 107 is connected with a baffle 108, which is fixed to the bottom of the lifting frame 107. When the lifting platform 103 moves up and down, the baffle 108 protects both sides to prevent the maintenance personnel from coming into contact with the inside of the furnace.

[0035] In this embodiment, traveling tracks parallel to the furnace are installed on both sides of the Acheson graphitization furnace for movement of the end beam traveling device. A reducer is installed on the end beam traveling device to drive the support frame 101 to move, so that the entire equipment can move along the axial direction of the furnace to expand the working area of ​​the operator. Horizontal plates are arranged on both sides of the support frame 101, and fixed guardrails are connected to the horizontal plates to increase safety. A control cabinet and an automatic cable harness winding device are installed on one end of the horizontal beam 104. A lifting ring is arranged on the top of the horizontal beam 104, and the entire device can be lifted by the lifting ring to facilitate movement between multiple Acheson graphitization furnaces, and multiple Acheson graphitization furnaces can be maintained in sequence.

[0036] After the maintenance personnel enter the lifting platform 103, the lifting platform 103 can be moved downward by driving the lifting assembly 102, so that work inside the furnace can be carried out.

[0037] When the lifting platform 103 stops moving downward, the maintenance personnel can stand on the working platform 109 to perform maintenance work in the furnace or move the crucible. When the maintenance personnel need to move from the platform to the inside of the furnace, first open the cover 117 on the working platform 109 to make the manhole on the working platform 109 visible, then rotate the handles 121 on both sides of the fixed ladder 114 so that the extrusion block 120 at one end of the handle 121 is separated from the fixed plate 118. At this time, the mobile ladder 115 will slide from the inside of the fixed ladder 114 to the bottom. At this time, tighten the handle 121 in the opposite direction so that the extrusion block 120 is engaged with the fixed plate 118, thereby fixing the mobile ladder 115. At this time, the maintenance personnel can go down into the furnace along the fixed ladder 114 and the mobile ladder 115, and at the same time, they can also move upward along the fixed ladder 114 to return to the ground.

[0038] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A mobile safety production work platform, characterized by: The invention comprises a support frame (101), a lifting assembly (102) and a lifting platform (103), wherein the lifting assembly (102) is installed on the support frame (101), the lifting platform (103) is connected to the lifting assembly (102), the lifting assembly (102) drives the lifting platform (103) to move up and down on the support frame (101), and end beam walking devices are arranged on both sides of the bottom of the support frame (101); The support frame (101) is composed of a crossbeam (104), a platform support device (105), a guide assembly (106) and a lifting frame (107); the platform support device (105) is vertically connected to the middle of the crossbeam (104); the lifting frame (107) is connected to one side of the platform support device (105); the interior of the lifting frame (107) is symmetrically connected with guide rails; and the guide assembly (106) is connected to the top of the platform support device (105); The lifting platform (103) includes a working platform (109) and lifting rods (110) fixed at four corners, the lifting rods (110) are slidably connected to the guide rails in the lifting frame (107), the lifting assembly (102) is composed of a driving device (111) and a steel wire rope (112), the output end of the driving device (111) is connected to a roller, one end of the steel wire rope (112) is connected to the roller, and the other end of the steel wire rope (112) is connected to the lifting rod (110), and the steel wire rope (112) passes through the guide assembly (106); A connecting frame (113) is connected between two adjacent lifting rods (110), and a fixed ladder (114) is connected to the connecting frame (113). The bottom of the fixed ladder (114) is connected to the working platform (109). A movable ladder (115) is connected to the inside of the fixed ladder (114) so ​​as to slide up and down. The bottom of the movable ladder (115) is connected to a pedal (116). A manhole running through the whole is provided on the top of the working platform (109), and a cover plate (117) is connected to the top of the manhole via a hinge.

2. A mobile safety production work platform according to claim 1, characterized in that: The two ends of the movable ladder (115) are connected to fixed plates (118), the two sides of the bottom of the fixed ladder (114) are connected to protective shells (119), an extrusion block (120) is slidably connected in the protective shell (119), and mutually meshing tooth surfaces are provided on the opposite sides of the extrusion block (120) and the fixed plate (118), and the other end of the extrusion block (120) is threadedly connected to the protective shell (119) through a threaded rod, and the end is connected to a handle (121).

3. A mobile safety production work platform according to claim 1, characterized in that: The tops of both ends of the working platform (109) are rotatably connected with cross-arranged rotating guardrails (122), and limiting rods (123) for limiting the rotating guardrails (122) are arranged on both sides of the top of the working platform (109).

4. A mobile safety production work platform according to claim 1, characterized in that: A slide rail is arranged inside the fixed ladder (114), a slider (124) is slidably connected to the slide rail, and the slider (124) is connected to the movable ladder (115).

5. The mobile safety production work platform according to claim 1, characterized in that: The lifting frame (107) is connected to a baffle (108).

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