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CN-224226489-U - Unpowered holding and clamping equipment

CN224226489UCN 224226489 UCN224226489 UCN 224226489UCN-224226489-U

Abstract

The utility model provides unpowered holding and clamping equipment, which is used for realizing that only single solid objects with larger loading and unloading volume are needed to be simply protected and packed, or single objects with smaller volume are needed to be piled and packed according to a certain shape, then an outer frame is sleeved on the objects, and then the objects can be lifted or moved in a short distance by using any lifting equipment, so that when the objects are carried, the objects are not needed to be installed with brackets at the bottoms of the objects, the objects are not needed to be packed by using a packing box with a carrying function, and meanwhile, the objects can be loaded and unloaded and piled only by arranging simple lifting equipment with the holding function at the loading and unloading places, so that the logistics transportation and logistics cost is reduced.

Inventors

  • XU YAOHAI
  • Zhu Xiancong

Assignees

  • 珠海市荣立新型建材有限公司

Dates

Publication Date
20260512
Application Date
20250521

Claims (10)

  1. 1. An unpowered clamping device, comprising: The device comprises an outer frame (1), wherein at least two sides of the outer frame (1) are symmetrically provided with inner clamping plates (2) which can be mutually closed or opened, the inner clamping plate (2) on one side of the outer frame is connected with a first linkage rod (21) through a bearing, the inner clamping plate (2) on the other side of the outer frame is connected with a second linkage rod (22) through a bearing, an outer end shaft of the first linkage rod (21) is hinged with the outer end of the second linkage rod (22) through a pull shaft (23), an included angle opening formed by the hinged connection of the first linkage rod (21) and the second linkage rod (22) is downwards, and a pull rod (24) is further connected on the pull shaft (23) through a bearing; The lifting frame (3), the top of the lifting frame (3) is provided with hanging lugs (31), the hanging lugs (31) are used for being connected with lifting equipment quickly, the lifting frame (3) can be located above the outer frame (1) to move, and the lifting frame (3) is provided with slings (32) connected with the pull rods (24); When carrying objects, through will outer frame (1) cover is located on the object, make interior splint (2) are located object both sides, afterwards, can utilize lifting by crane equipment is through hang ear (31) with play to rise to frame (3), at this moment, hoist cable (32) pulling pull rod (24) rise, pull rod (24) pulling first gangbar (21) with second gangbar (22) hinge end makes first gangbar (21) with second gangbar (22) pulling all interior splint (2) draw close to each other, thereby hold clamp and hang article (5) to article (5).
  2. 2. An unpowered clamping device as claimed in claim 1, characterized in that the inner clamping plate (2) is fitted with tough wear-resistant rubber (25) for contact with the article (5) to increase the friction of the inner clamping plate (2) with the article (5).
  3. 3. The unpowered clamping device as set forth in claim 1, wherein the outer wall bearing of the inner clamping plate (2) is connected with an outer linkage rod (26), the outer linkage rod (26) is arranged obliquely upwards, and the outer end of the outer linkage rod (26) is connected with the outer frame (1) through a shaft; When the lifting device lifts the lifting frame (3) through the lifting lugs (31), the outer frame (1) falls down by self weight to push the inner clamping plates (2) to be close to each other so as to generate initial holding force on the article (5) and push the article (5) to adjust the relative position; After the article (5) and the outer frame (1) are separated from the ground, the outer frame (1) gives the inner clamping plate (2) to apply clamping force to the article (5) through dead weight, meanwhile, the inner clamping plate (2) is hinged with the second linkage rod (22) through the first linkage rod (21) to be linked with the adjacent other inner clamping plate (2) to clamp the article (5), and along with the increase of the externally applied lifting force, all clamping force components generated on the inner clamping plate (2) are uniformly directed to the center of the article (5) of the object, and the size of the clamping force is adjusted through the dead weight of the article (5).
  4. 4. An unpowered clamping device as set forth in claim 3, wherein the outer wall of the inner clamping plate (2) is provided with a horizontal supporting beam (27), and the horizontal supporting beam (27) is used for limiting the first linkage rod (21), the second linkage rod (22) and the outer linkage rod (26) to cross a horizontal line when moving.
  5. 5. An unpowered clamping device as claimed in claim 3, characterized in that the outer frame (1) has at least 4 inner clamping plates (2) which are arranged symmetrically and in line with the contact surface of the object (5).
  6. 6. An unpowered holding clamp device as claimed in claim 3, characterized in that the outer frame (1) pushes the outer linkage rod (26) by its own weight when the outer frame (1) falls to push the inner clamping plate (2) inwards, and the horizontal angle a of the outer linkage rod (26) is less than or equal to 45 °.
  7. 7. The unpowered clamping device as set forth in claim 3, wherein the outer ends of the first linkage rod (21) and the second linkage rod (22) are respectively provided with a plurality of linkage rod positioning holes (28) for bearing connection with the pull shaft (23); The outer frame (1) comprises a top support (11) and lower beams (15) positioned at four corners of the top support (11), positioning plates (12) are arranged at four corners of the top support (11), a plurality of adjusting holes (13) are formed in the positioning plates (12), the lower beams (15) are provided with mounting screws (14) fixed to any one of the adjusting holes (13), telescopic support rods (16) are arranged between two adjacent lower beams (15), locking mechanisms (17) used for fixing lengths are arranged on the telescopic support rods (16), and the outer ends of the outer linkage rods (26) are connected with the lower beams (15) in a shaft mode.
  8. 8. An unpowered clamping device as set forth in claim 3, characterized in that the lifting frame (3) is provided with a guide post (4), the guide post (4) is provided with a jack (41), the outer frame (1) is provided with a guide sleeve (42), the guide sleeve (42) is provided with an elastic plug pin (43), the guide post (4) passes through the guide sleeve (42), and the elastic plug pin (43) is used for sliding on the guide post (4) and can enter the jack (41); After the lifted device places the held article (5) on the supporting plane, the article (5) limits the outer frame (1) to descend through the inner clamping plate (2), the lifted device continues to drive the lifting frame (3) to descend, at the moment, the guide pillar (4) is located in the guide sleeve (42) and slides until the elastic plug pin (43) enters the jack (41) to enable the guide pillar (4) to be locked with the guide sleeve (42), then, the lifted device lifts the lifting frame (3), the lifting frame (3) drives the outer frame (1) to ascend, and the outer frame (1) pulls the inner clamping plate (2) to be outwards opened through the outer linkage rod (26), so that the holding of the article (5) is released, and at the moment, the outer frame (1) and the inner clamping plate (2) are taken out from the article (5) and separated.
  9. 9. An unpowered clamping device as set forth in claim 3, characterized in that the angle b between the outer linkage rod (26) and the inner clamping plate (2) is greater than or equal to 50 °, the angle c between the first linkage rod (21) on the inner clamping plate (2) and the horizontal line is greater than or equal to c, and the angle d between the second linkage rod (22) on the inner clamping plate (2) and the horizontal line is greater than or equal to 30 °.
  10. 10. The unpowered clamping device as set forth in claim 9, wherein: when the size of the article (5) is 1200m times 1200m, the weight is 3.1t, and the static friction coefficient between the article and the inner clamping plate (2) is 0.6-1.0, c and d=26°,4 inner clamping plates (2) are arranged in the outer frame (1), and the contact area between each inner clamping plate (2) and the article (5) is 4000cm 2 ; When lifting, the clamping component force coefficient generated by the inner clamping plate (2) on the article (5) is 1-26/90=0.711, and the component force coefficient is larger than the minimum static friction coefficient value of the article (5) and the inner clamping plate (2), so that the generated clamping component force meets the requirement of holding the article (5), the pressure acting on the article (5) by the maximum clamping force is=3.1×1000×10/(4000×4) = 1.9375Mpa, and the result is smaller than the minimum normal stress value of the article (5) of 0.45=30×0.45=13.5 Mpa.

Description

Unpowered holding and clamping equipment Technical Field The utility model belongs to the technical field of carrying equipment, and particularly relates to unpowered clamping equipment. Background In industrial production and construction of structures, the carrying of materials is avoided. The current methods are carrier loading and transporting or carrier-free palletizing and transporting by power clamping and holding, and the two methods have inherent limitations. Firstly, when the carrier loading and transporting mode is adopted, the cost of the carrier is directly added on the goods and is borne by a purchaser or is recovered and reutilized by a seller, but the turnover cost is required to be also spent, secondly, no carrier loading and transporting mode is adopted, the loading and unloading and secondary transporting of the goods can be completed only by adopting equipment which is loaded by a power clamp and is simultaneously provided with the power clamp at two places, the structure of the power clamp is complex, meanwhile, a hydraulic device or a pneumatic device or an electric device is also required to provide corresponding power for the clamp, the equipment cost is relatively high, and the transportation cost is also increased. Disclosure of utility model The utility model aims to provide unpowered holding clamp equipment for solving the technical defects in the background art. The unpowered clamping device comprises: The outer frame is internally provided with at least two sides which are symmetrically provided with inner clamping plates capable of moving towards each other or opening, an inner clamping plate bearing on one side of the outer frame is connected with a first linkage rod, an inner clamping plate bearing on the other side of the outer frame is connected with a second linkage rod, an outer end shaft of the first linkage rod is hinged with the outer end of the second linkage rod through a pull shaft, an included angle opening formed by the hinged connection of the first linkage rod and the second linkage rod is downwards arranged, and a pull rod is also connected on the pull shaft through a bearing; The lifting frame is movably positioned above the outer frame and is provided with a sling connected with the pull rod; When carrying the object, through locating outer frame cover on the object, make the interior splint be located object both sides, afterwards, can utilize lifting means to lift the frame through hanging the hangers and lift up, at this moment, the hoist cable pulling pull rod rises, and the pull rod pulls first gangbar and second gangbar hinge end, makes first gangbar and second gangbar pulling all interior splint draw close to each other to hold the clamp and lift up the article to the article. Based on the technical scheme, the utility model has the following beneficial effects: When the unpowered holding clamp device is applied, only single solid objects with larger loading and unloading volume are needed to be simply protected and packed, or the single objects with smaller volume are needed to be piled and packed according to a certain shape, then the outer frame is sleeved above the objects, and then the objects can be lifted or moved in a short distance by using any lifting device, so that during carrying the objects, the objects are not needed to be installed on the bottom of the objects, the packing box with the carrying function is not needed to be used for packing the objects, and meanwhile, the objects can be loaded and unloaded and piled only by arranging the lifting device which is simple and does not need to have the holding function at the loading and unloading places, thereby reducing the logistics transportation and logistics cost. To further optimize the above solution, it is optionally combined with one or more of the following embodiments without conflict. In some embodiments, the inner cleat is fitted with a tough wear-resistant rubber for contact with the article to increase the friction of the inner cleat with the article. Based on the technical scheme, the utility model further realizes the following beneficial effects: In addition, the friction force between the inner clamping plate 2 and the article can be increased, so that the inner clamping plate can clamp and hold the article more stably. In some embodiments, the outer wall bearing of the inner clamping plate is connected with an outer linkage rod, the outer linkage rod is arranged in an upward inclined mode, and the outer end of the outer linkage rod is connected with the outer frame shaft. Based on the technical scheme, the utility model further realizes the following beneficial effects: 1. When the lifting device lifts the lifting frame through the lifting hanging lugs, the outer frame falls down through dead weight to push the inner clamping plates to be close to each other, so that initial holding force is generated on the article, and the article is pushed to adjust the relative posit