Clamping plate type high-altitude whole-course anti-falling device for large-tonnage lifting platform

Abstract

The utility model discloses a clamping plate type high-altitude whole-course anti-falling device for a large-tonnage lifting platform. The clamping plate type high-altitude whole-course anti-falling device comprises a clamping and fixing mechanism and a first baffle installed on the top of the clamping and fixing mechanism. A self-locking mechanism is arranged above the clamping and fixing mechanism, and one side of the self-locking mechanism is fixedly connected to one side of a first baffle. The clamping and fixing mechanism comprises a lifting platform body, limiting grooves are symmetrically formed in the left side and the right side of the top of the lifting platform body, and bases are connected to the centers of the interiors of the limiting grooves in an attached mode. Wherein the top of the base is fixedly connected with the first baffle, wedge-shaped blocks are symmetrically connected to the left side and the right side of the bottom of the base in an attached mode, and first connecting rods are rotatably connected to the ends, away from the base, of the wedge-shaped blocks. And therefore, the transported goods are protected, and the situation that the goods fall off in the transportation process is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting platforms, in particular to a pallet-type high-altitude full-range anti-falling device for a large-tonnage lifting platform. Background Art

[0002] Large-tonnage lifting platforms are key equipment for lifting heavy objects in large production workshops, warehouses and other places. This type of lifting platform has become an important tool for solving height difference and handling problems due to its strong carrying capacity, smooth lifting and high customizability.

[0003] Publication No. CN217627031U discloses a protective structure for a barrier-free lifting platform. By adjusting the arrangement of the main shaft on the main sprocket and the secondary shaft on the secondary sprocket in the mechanism, it is possible to allow taller people to rotate the upper main shaft, and also allow shorter people to rotate the lower secondary shaft, so that the height of the moving block and the guardrail on the moving block can be adjusted regardless of the height, which is conducive to further improving the flexibility of use. However, the patent still has the following problems in actual use:

[0004] Although the barrier-free lifting platform protective structure can protect different groups of people by adjusting the height of the guardrail, the lifting platform is prone to shaking during the ascent or descent process, which may cause the risk of goods falling, that is, there are certain safety hazards.

[0005] A pallet-type high-altitude full-range anti-falling device for a large-tonnage lifting platform is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The purpose of the utility model is to provide a pallet-type high-altitude full-time anti-fall device for a large-tonnage lifting platform, so as to solve the problem proposed in the above-mentioned background technology that different groups of people can be protected by adjusting the height of the guardrail, but the lifting platform is prone to shaking during the ascent or descent process, resulting in the risk of goods falling, that is, there are certain safety hazards.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a card-type high-altitude full-range anti-falling device for a large-tonnage lifting platform, comprising a clamping and fixing mechanism, and a first baffle installed on the top of the clamping and fixing mechanism;

[0008] A self-locking mechanism is provided above the clamping and fixing mechanism, and one side of the self-locking mechanism is fixedly connected to one side of the first baffle;

[0009] Also includes:

[0010] The clamping and fixing mechanism comprises a lifting platform body, and the left and right sides of the top of the lifting platform body are symmetrically provided with limiting grooves, and the center position inside the limiting groove is closely connected with a base;

[0011] The top of the base is fixedly connected to the first baffle, the left and right sides of the bottom of the base are symmetrically connected with wedge blocks, and the end of the wedge block away from the base is rotatably connected with the first connecting rod;

[0012] Among them, one end of the first connecting rod away from the wedge block is rotatably connected to the moving block, one end of the moving block away from the first connecting rod is rotatably connected to the second connecting rod, and one end of the second connecting rod away from the moving block is rotatably connected to the third connecting rod.

[0013] Preferably, one end of the third connecting rod is rotatably connected to the wedge block, the other end of the third connecting rod is rotatably connected to a bracket, the bottom of the bracket is fixedly connected to the lifting platform body, and the bottom side of the moving block is fixedly connected to a rack.

[0014] Preferably, one end of the rack away from the moving block passes through the bracket and is meshed with a gear, a roller is fixedly connected to the center position inside the gear, one end of the roller is rotatably connected to the lifting platform body, and the other end of the roller passes through the lifting platform body and is provided with a turntable.

[0015] Preferably, the self-locking mechanism includes a second baffle, the bottom of the second baffle is closely connected to the lifting platform body, one side of the front and rear ends of the top of the second baffle is fixedly connected with a pull ring, and a fixing block is provided on one side of the pull ring.

[0016] Preferably, one end of the fixed block is fixedly connected to the first baffle, a first limiting column is fixedly connected to one side inside the fixed block, and a protective cover is rotatably connected to the center position of the outer side of the first limiting column.

[0017] Preferably, a second limiting column is fixedly connected to one side of the interior of the protective cover, a handle is rotatably connected to the outer side of the second limiting column, one end of the handle is fixedly connected to a spring, and one end of the spring is fixedly connected to the protective cover.

[0018] Preferably, the other end of the handle is snap-connected with a snap ring, the end of the snap ring away from the handle is rotatably connected to the first limiting column, and one side of the protective cover is snap-connected with a pull rod, one end of the pull rod is fixedly connected to the fixing block.

[0019] Compared with the prior art, the beneficial effects of the utility model are as follows: the card-type high-altitude full-range anti-falling device for a large-tonnage lifting platform can quickly fix the first baffle and the second baffle on the top of the lifting platform body by setting a clamping and fixing mechanism, thereby protecting the transported goods and preventing the goods from falling during transportation. By setting a self-locking mechanism, the tops of the first baffle and the second baffle can be quickly connected together and enclosed into a rectangle, thereby improving the stability of the first baffle and the second baffle. The specific contents are as follows:

[0020] 1. By setting a clamping and fixing mechanism, the first baffle plate and the second baffle plate can be quickly fixed on the top of the lifting platform body, so as to protect the transported goods and prevent the goods from falling during transportation. The roller shaft and the gear are driven to rotate by the turntable, and the meshing action between the gear and the rack can be used to drive the moving block to move up and down. When the moving block moves upward, the bracket limits the third connecting rod, which can drive the first connecting rod and the second connecting rod to rotate around the moving block, and at the same time drive the wedge block to move upward and contact the base. By limiting the base with the wedge block, the first baffle plate and the second baffle plate can be fixed on the top of the lifting platform body to protect the goods.

[0021] 2. By setting up a self-locking mechanism, the top of the first baffle and the second baffle can be quickly connected together and form a rectangle, thereby improving the stability of the first baffle and the second baffle. By utilizing the cooperation between the pull ring, the pull rod and the protective cover, the first baffle and the second baffle can be connected together. By rotating the snap ring, the limit of the snap ring on the handle is released, and the handle can be driven to rotate around the second limit column in the direction of the spring, thereby releasing the limit of the fixed block on the handle, and the protective cover can be driven to rotate around the first limit column, so that the pull rod and the protective cover can be separated, making it easy to remove the pull ring from the pull rod, and the disassembly between the first baffle and the second baffle can be realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 For this utility model Figure 1 Schematic diagram of the structure from top view;

[0024] Figure 3 For this utility model Figure 1 An enlarged structural diagram of the middle clamping and fixing mechanism;

[0025] Figure 4 For this utility model Figure 3 The enlarged structural diagram at A in the middle;

[0026] Figure 5 For this utility model Figure 3Schematic diagram of the structure in the contracted state at the middle wedge block;

[0027] Figure 6 For this utility model Figure 2 An enlarged structural diagram of the self-locking mechanism in the middle;

[0028] Figure 7 For this utility model Figure 6 Schematic diagram of the structure when the protective cover is opened.

[0029] In the figure: 1. clamping and fixing mechanism; 101. lifting platform body; 102. limiting groove; 103. base; 104. first baffle; 105. wedge block; 106. first connecting rod; 107. moving block; 108. second connecting rod; 109. third connecting rod; 110. bracket; 111. rack; 112. gear; 113. roller; 114. turntable; 2. self-locking mechanism; 201. second baffle; 202. pull ring; 203. fixing block; 204. first limiting column; 205. protective cover; 206. second limiting column; 207. handle; 208. spring; 209. snap ring; 210. pull rod. DETAILED DESCRIPTION

[0030] 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 implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0031] See also Figure 1-7 The utility model provides a technical solution: a card-type high-altitude full-range anti-falling device for a large-tonnage lifting platform, comprising a clamping and fixing mechanism 1, and a first baffle 104 installed on the top of the clamping and fixing mechanism 1; a self-locking mechanism 2 is arranged above the clamping and fixing mechanism 1, and one side of the self-locking mechanism 2 is fixedly connected to one side of the first baffle 104; the clamping and fixing mechanism 1 comprises a lifting platform body 101, and limiting grooves 102 are symmetrically arranged on the left and right sides of the top of the lifting platform body 101, and the center position of the limiting groove 102 is fitted and connected with a base 103, and the four top corners of the top of the lifting platform body 101 are all provided with limiting grooves 102;

[0032] The top of the base 103 is fixedly connected to the first baffle 104, and the left and right sides of the bottom of the base 103 are symmetrically connected with wedge blocks 105, and the end of the wedge block 105 away from the base 103 is rotatably connected to the first connecting rod 106. By limiting the base 103 with the wedge block 105, the first baffle 104 can be fixed to the top of the lifting platform body 101;

[0033] One end of the first connecting rod 106 away from the wedge block 105 is rotatably connected to the moving block 107, one end of the moving block 107 away from the first connecting rod 106 is rotatably connected to the second connecting rod 108, and one end of the second connecting rod 108 away from the moving block 107 is rotatably connected to the third connecting rod 109. By limiting the third connecting rod 109 by the bracket 110, the first connecting rod 106 and the second connecting rod 108 can be driven to rotate around the moving block 107, and at the same time, the wedge block 105 can be driven to move upward and contact the base 103;

[0034] One end of the third connecting rod 109 is rotatably connected to the wedge block 105, and the other end of the third connecting rod 109 is rotatably connected to a bracket 110. The bottom of the bracket 110 is fixedly connected to the lifting platform body 101, and a rack 111 is fixedly connected to the bottom side of the moving block 107. The end of the rack 111 away from the moving block 107 passes through the bracket 110 and is meshed with a gear 112. A roller 113 is fixedly connected to the center position inside the gear 112. One end of the roller 113 is rotatably connected to the lifting platform body 101, and the other end of the roller 113 passes through the lifting platform body 101 and is provided with a turntable 114. The outer side of one end of the turntable 114 is threadedly connected to the lifting platform body 101, and the inside of the turntable 114 is connected to the roller 113 through a flat key. When the turntable 114 is threadedly connected to the lifting platform body 101, the rotation of the roller 113 can be limited to prevent the wedge block 105 in the clamped state from loosening when the first baffle 104 is moved upward;

[0035] The self-locking mechanism 2 includes a second baffle 201, the bottom of the second baffle 201 is closely connected to the lifting platform body 101, one side of the front and rear ends of the top of the second baffle 201 is fixedly connected with a pull ring 202, and a fixing block 203 is provided on one side of the pull ring 202. The bottom structure of the second baffle 201 is consistent with the bottom structure of the first baffle 104;

[0036] One end of the fixed block 203 is fixedly connected to the first baffle 104, one side of the fixed block 203 is fixedly connected to the first limiting column 204, the center position of the outer side of the first limiting column 204 is rotatably connected to the protective cover 205, one side of the inner side of the protective cover 205 is fixedly connected to the second limiting column 206, the outer side of the second limiting column 206 is rotatably connected to the handle 207, one end of the handle 207 is fixedly connected to the spring 208, one end of the spring 208 is fixedly connected to the protective cover 205, and the spring 208 is provided so that the handle 207 can always contact with the fixed block 203 without being acted upon by external force, thereby limiting the protective cover 205;

[0037] The other end of the handle 207 is snap-connected with a snap ring 209, and the end of the snap ring 209 away from the handle 207 is rotatably connected to the first limiting column 204. A pull rod 210 is fit-connected to one side of the protective cover 205, and one end of the pull rod 210 is fixedly connected to the fixed block 203. By utilizing the cooperation between the pull ring 202, the pull rod 210 and the protective cover 205, the top of the first baffle 104 and the second baffle 201 can be connected together, thereby improving the stability of the first baffle 104 and the second baffle 201.

[0038] Working principle: Before using this kind of large-tonnage lifting platform pallet-type high-altitude full-range anti-fall device, it is necessary to first check the overall condition of the device to ensure that it can work normally. Figure 1 - Figure 7 As shown, firstly, the base 103 is placed at the center position inside the limiting groove 102, and then the roller shaft 113 and the gear 112 are driven to rotate by the turntable 114. The meshing action between the gear 112 and the rack 111 can drive the moving block 107 to move up and down. When the moving block 107 moves upward, the bracket 110 limits the third connecting rod 109, so that the first connecting rod 106 and the second connecting rod 108 can be driven to rotate around the moving block 107, and at the same time, the wedge block 105 is driven to move upward and contact the base 103. The wedge block 105 limits the base 103, so that the first baffle 104 can be fixed on the top of the lifting platform body 101 to protect the goods.

[0039] Secondly, rotate the snap ring 209 to release the limit of the handle 207 by the snap ring 209, and drive the handle 207 to rotate around the second limit column 206 in the direction of the spring 208, thereby releasing the limit of the handle 207 by the fixed block 203, and can drive the protective cover 205 to rotate around the first limit column 204, so that the pull rod 210 can be separated from the protective cover 205, and then the pull ring 202 is passed through the pull rod 210, and then the protective cover 205 is closed, and at the same time, the bottom of the second baffle 201 is inserted into the corresponding limit groove 102 to complete the fixation of the second baffle 201, and the cooperation between the pull ring 202, the pull rod 210 and the protective cover 205 can be used to connect the first baffle 104 and the top of the second baffle 201 together, and by connecting the top of the first baffle 104 and the second baffle 201 together and forming a rectangle, the stability of the first baffle 104 and the second baffle 201 is improved.

[0040] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A card-type high-altitude full-range anti-falling device for a large-tonnage lifting platform, comprising a clamping and fixing mechanism (1), and a first baffle (104) installed on the top of the clamping and fixing mechanism (1); A self-locking mechanism (2) is provided above the clamping and fixing mechanism (1), and one side of the self-locking mechanism (2) is fixedly connected to one side of the first baffle (104); It is characterized in that Also includes: The clamping and fixing mechanism (1) comprises a lifting platform body (101), and limiting grooves (102) are symmetrically provided on the left and right sides of the top of the lifting platform body (101), and a base (103) is closely connected to the center position of the limiting groove (102); The top of the base (103) is fixedly connected to the first baffle (104), the left and right sides of the bottom of the base (103) are symmetrically connected with wedge blocks (105), and one end of the wedge block (105) away from the base (103) is rotatably connected to the first connecting rod (106); One end of the first connecting rod (106) away from the wedge block (105) is rotatably connected to the moving block (107), one end of the moving block (107) away from the first connecting rod (106) is rotatably connected to the second connecting rod (108), and one end of the second connecting rod (108) away from the moving block (107) is rotatably connected to the third connecting rod (109).

2. According to claim 1, a pallet-type high-altitude full-range anti-falling device for a large-tonnage lifting platform is characterized in that: One end of the third connecting rod (109) is rotatably connected to the wedge block (105), and the other end of the third connecting rod (109) is rotatably connected to a bracket (110). The bottom of the bracket (110) is fixedly connected to the lifting platform body (101), and the bottom side of the moving block (107) is fixedly connected to a rack (111).

3. According to claim 2, a pallet-type high-altitude full-range anti-falling device for a large-tonnage lifting platform is characterized in that: One end of the rack (111) away from the moving block (107) passes through the bracket (110) and is meshedly connected with a gear (112); a roller (113) is fixedly connected to the center position inside the gear (112); one end of the roller (113) is rotatably connected to the lifting platform body (101); and the other end of the roller (113) passes through the lifting platform body (101) and is provided with a turntable (114).

4. According to claim 1, a pallet-type high-altitude full-range anti-falling device for a large-tonnage lifting platform is characterized in that: The self-locking mechanism (2) comprises a second baffle (201), the bottom of the second baffle (201) being closely connected to the lifting platform body (101), one side of the front and rear ends of the top of the second baffle (201) being fixedly connected to a pull ring (202), and a fixing block (203) being provided on one side of the pull ring (202).

5. According to claim 4, a pallet-type high-altitude full-range anti-falling device for a large-tonnage lifting platform is characterized in that: One end of the fixed block (203) is fixedly connected to the first baffle (104), one side inside the fixed block (203) is fixedly connected to a first limiting column (204), and a protective cover (205) is rotatably connected to the center position of the outer side of the first limiting column (204).

6. The large-tonnage lifting platform pallet-type high-altitude full-range anti-falling device according to claim 5 is characterized in that: A second limiting column (206) is fixedly connected to one side of the interior of the protective cover (205), a handle (207) is rotatably connected to the outer side of the second limiting column (206), one end of the handle (207) is fixedly connected to a spring (208), and one end of the spring (208) is fixedly connected to the protective cover (205).

7. The large-tonnage lifting platform pallet-type high-altitude full-range anti-falling device according to claim 6 is characterized in that: The other end of the handle (207) is snap-connected with a snap ring (209), and one end of the snap ring (209) away from the handle (207) is rotatably connected to the first limit column (204). One side of the protective cover (205) is snap-connected with a pull rod (210), and one end of the pull rod (210) is fixedly connected to the fixing block (203).

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