Clamping and lifting device

Abstract

The invention discloses a clamping and lifting device. The device comprises a left bracket, a right bracket and a middle bracket, the middle bracket is arranged between the left bracket and the right bracket; hoisting holes are respectively formed in the top ends of the left bracket, the right bracket and the middle bracket; the bottom ends of the left support, the right support and the middle support are respectively provided with a protruding step capable of clamping a barrel. The left support, the right support and the middle support are connected through a middle pin shaft and can rotate around the middle pin shaft. The left bracket is fixedly connected with the right bracket; the right support is fixedly connected with the middle support through an adjusting tower. Through the device, the vertical hoisting, vertical transportation and vertical placement of the barrel can be realized, and the axis posture of the barrel part is kept in the vertical direction in the whole process; the device is simple in structure, convenient to operate and capable of rapidly clamping and lifting the cylinder parts.

Description

Technical Field

[0001] The invention relates to the field of mechanical technology, and in particular to a clamping and lifting device. Background Art

[0002] In daily production and processing, there will be a large number of cylindrical workpieces with flanges that need to be clamped, lifted and transported. The current common lifting method is to use a sufficiently long sling, penetrate from one end of the cylindrical part, pass through the other end face or a hole seat at the outer circle, and then hang the two ends of the sling directly on the crane hook to complete the lifting. In this lifting method, the cylindrical workpiece is mostly in a "lying flat" or "semi-lying" posture. When the end face of the workpiece needs to be placed in the "vertical" direction against the workbench, it is necessary to lift and change the position of the sling multiple times to complete it; there are problems: ① This lifting method is not only time-consuming and laborious, but also the end face is the first to contact the outer circle of the workbench. A certain point is very easy to bump; ② More importantly, the risk factor for operators is relatively high.

[0003] With regard to the problem in the prior art that it is not convenient to place the cylinder in a "vertical" direction on the workbench, and that a certain point on the outer circle of the cylinder that first contacts the workbench when placed is very prone to bumping, no effective solution has been proposed yet. Summary of the invention

[0004] A clamping and lifting device is provided in an embodiment of the present invention to solve the problem in the prior art that it is not convenient to place the cylinder in a "vertical" direction on the workbench, and a certain point on the outer circle of the cylinder that first contacts the workbench when placed is very easy to bump.

[0005] In order to achieve the above-mentioned purpose, the present invention provides a clamping and lifting device, which includes: a left bracket, a right bracket and an intermediate bracket; the intermediate bracket is arranged between the left bracket and the right bracket; lifting holes are respectively arranged at the top ends of the left bracket, the right bracket and the intermediate bracket; raised steps for clamping a cylinder are respectively arranged at the bottom ends of the left bracket, the right bracket and the intermediate bracket; the left bracket, the right bracket and the intermediate bracket are connected by an intermediate pin shaft and can rotate around the intermediate pin shaft; the left bracket is fixedly connected to the right bracket; the right bracket and the intermediate bracket are fixedly connected by an adjusting tower.

[0006] Optionally, clamping holes are respectively provided in the middle of the left bracket, the right bracket and the middle bracket, for allowing the middle pin to pass through to connect the left bracket, the right bracket and the middle bracket.

[0007] Optionally, it also includes: a fastening nut; the fastening nut is used to fix the middle pin shaft passing through the left bracket, the right bracket and the middle bracket.

[0008] Optionally, a cushion block is provided between the top ends of the left bracket and the right bracket, and the left bracket, the cushion block and the right bracket are fixedly connected.

[0009] Optionally, a lifting hole is provided on the cushion block, and the lifting hole on the cushion block is coaxial with the lifting holes on the left bracket and the right bracket.

[0010] Optionally, the left bracket is fixedly connected to the right bracket via a support.

[0011] Optionally, a through hole is provided on the adjusting tower, for allowing a fixing pin to pass through and fix one end of the adjusting tower to the right bracket.

[0012] Optionally, it also includes: a positioning column; the positioning column is fixedly arranged on the intermediate bracket.

[0013] Optionally, a plurality of U-shaped grooves arranged in sequence are provided on the adjusting tower, for allowing the positioning column to pass through one of them, so as to fix the other end of the adjusting tower to the intermediate bracket.

[0014] Optionally, the raised steps on the left bracket, the right bracket and the middle bracket are located on the same horizontal plane and are arranged at equal intervals.

[0015] Beneficial effects of the present invention:

[0016] The present invention provides a clamping and lifting device, which includes: a left bracket, a right bracket and an intermediate bracket; the intermediate bracket is arranged between the left bracket and the right bracket; the top ends of the left bracket, the right bracket and the intermediate bracket are respectively provided with lifting holes; the bottom ends of the left bracket, the right bracket and the intermediate bracket are respectively provided with raised steps that can clamp the cylinder; the left bracket, the right bracket and the intermediate bracket are connected by an intermediate pin shaft and can rotate around the intermediate pin shaft; the left bracket is fixedly connected to the right bracket; the right bracket and the intermediate bracket are fixedly connected by an adjusting tower. Through the device, the vertical lifting, vertical transportation and vertical placement of the cylinder can be realized, and the axis posture of the cylinder parts is kept in the vertical direction during the whole process; the device has a simple structure and is easy to operate, and can quickly realize the clamping and lifting of cylinder parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a stereoscopic diagram of a clamping and lifting device provided by an embodiment of the present invention;

[0018] Figure 2 is a front view of a clamping and lifting device provided by an embodiment of the present invention;

[0019] Figure 3 is a side view of a clamping and lifting device provided by an embodiment of the present invention;

[0020] Figure 4 It is a three-dimensional diagram of a clamping cylinder of a clamping device provided by an embodiment of the present invention;

[0021] Figure 5 is a three-dimensional diagram of a left bracket provided by an embodiment of the present invention;

[0022] Figure 6 is a three-dimensional diagram of a right bracket provided by an embodiment of the present invention;

[0023] Figure 7 is a three-dimensional diagram of an intermediate bracket provided by an embodiment of the present invention;

[0024] Figure 8 is a three-dimensional diagram of an adjustment tower provided by an embodiment of the present invention;

[0025] Fig. 9 is a front view of a fixing pin provided by an embodiment of the present invention;

[0026] Fig.10 It is a stereoscopic view of the intermediate pin provided in an embodiment of the present invention.

[0027] Explanation of symbols:

[0028] Left bracket-1, right bracket-2, middle bracket-3, middle pin-4, fastening nut-5, spacer-6, support-7, adjusting tower-8, fixing pin-9, positioning column-10, lifting hole-11, raised step-12, clamping hole-13, through hole-14, U-shaped groove-15, cylinder-16. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] The present invention provides a clamping and lifting device. Figure 1 is a stereoscopic diagram of a clamping and lifting device provided by an embodiment of the present invention; Figure 2 is a front view of a clamping and lifting device provided by an embodiment of the present invention; Figure 3 is a side view of a clamping and lifting device provided by an embodiment of the present invention; Figure 4 1 is a stereoscopic diagram of a clamping cylinder of a clamping device provided by an embodiment of the present invention; Figure 1 to Figure 4 As shown, the device comprises:

[0031] A left bracket, a right bracket and a middle bracket; the middle bracket is arranged between the left bracket and the right bracket;

[0032] The top ends of the left bracket, the right bracket and the middle bracket are respectively provided with lifting holes; the bottom ends of the left bracket, the right bracket and the middle bracket are respectively provided with raised steps capable of clamping the cylinder;

[0033] Figure 5 is a three-dimensional diagram of a left bracket provided in an embodiment of the present invention; Figure 5 As shown, the left bracket is an arc-shaped structure; a lifting hole is provided at the top of the left bracket, a clamping hole is provided at the middle of the left bracket, and a raised step is provided at the bottom of the left bracket;

[0034] Figure 6 is a stereogram of the right bracket provided by an embodiment of the present invention; Figure 6 As shown, the right bracket is an arc-shaped structure; a lifting hole is provided at the top of the right bracket, a clamping hole is provided at the middle of the right bracket, and a raised step is provided at the bottom of the right bracket;

[0035] Figure 7 is a three-dimensional diagram of an intermediate bracket provided in an embodiment of the present invention; Figure 7 As shown, the intermediate bracket is an arc-shaped structure; a lifting hole is arranged at the top of the intermediate bracket, a clamping hole is arranged at the middle of the intermediate bracket, and a raised step is arranged at the bottom end of the intermediate bracket.

[0036] Specifically, the raised steps on the left bracket, the right bracket and the middle bracket are located on the same horizontal plane and are arranged at equal intervals.

[0037] The left bracket, the right bracket and the middle bracket are connected by a middle pin shaft and can rotate around the middle pin shaft;

[0038] Fig.10 is a three-dimensional diagram of the intermediate pin provided by an embodiment of the present invention, such as Fig.10 As shown, the middle pin passes through the clamping holes set in the middle of the left bracket, the right bracket and the middle bracket, and is fixed by a fastening nut; that is, the left bracket, the right bracket and the middle bracket are ensured to stick together through the threaded connection of the middle pin and the fastening screw.

[0039] The middle bracket can rotate around the middle pin shaft; the left bracket and the right bracket can rotate around the middle pin shaft together.

[0040] The left bracket is fixedly connected to the right bracket;

[0041] Specifically, the left bracket and the right bracket are fixedly connected by a support (i.e., the middle and lower parts of the left bracket and the right bracket are fixedly connected by a support). A cushion block is provided between the top ends of the left bracket and the right bracket, and the left bracket, the cushion block, and the right bracket are fixedly connected. That is, the left bracket and the right bracket are fixed by the support and the cushion block.

[0042] Furthermore, a lifting hole is provided on the cushion block, and the lifting hole on the cushion block is coaxial with the lifting holes on the left bracket and the right bracket.

[0043] The right bracket is fixedly connected to the middle bracket via an adjustment tower;

[0044] Specifically, Figure 8 is a stereogram of an adjustment tower provided by an embodiment of the present invention; Figure 8 As shown, a through hole is provided on the adjusting tower (the through hole is provided on one end of the adjusting tower), which is used for passing a fixing pin shaft through to fix one end of the adjusting tower to the right bracket. Fig. 9 is a front view of a fixed pin shaft provided in an embodiment of the present invention, such as Fig. 9 As shown, one end of the fixed pin is provided with a limiting protrusion, and when the other end of the fixed pin passes through the through hole of the adjusting tower and the right bracket in sequence, the limiting protrusion can prevent the adjusting tower from being separated from the right bracket. At this time, the adjusting tower can rotate around the fixed pin.

[0045] Furthermore, a positioning column is fixedly provided on the intermediate bracket; and a plurality of U-shaped grooves arranged in sequence are also provided on the adjusting tower, for allowing the positioning column to pass through one of them to fixedly connect the other end of the adjusting tower to the intermediate bracket.

[0046] Specifically, a plurality of U-shaped grooves are arranged at intervals, and one of the U-shaped grooves is arranged at the other end of the adjusting tower. When the adjusting tower is rotated, one of the U-shaped grooves is inserted into the positioning column. At this time, the right bracket and the middle bracket are fixed, and then the relative positions of the left bracket, the right bracket and the middle bracket are fixed.

[0047] The present invention is described below by means of a specific working principle:

[0048] The left bracket, the right bracket and the middle bracket are connected by the middle pin shaft; the middle bracket can rotate around the middle pin shaft; after the left bracket and the right bracket are connected by the support and the pad, they can rotate together around the middle pin shaft; when the middle bracket, the left bracket and the right bracket are rotated respectively so that the corresponding raised steps are in the appropriate position to vertically hook the flange of the cylinder part, the adjustment lever is rotated to allow one of its U-shaped grooves to be inserted into the positioning column. At this time, the relative positions of the middle bracket, the left bracket and the right bracket are fixed, thereby lifting the workpiece.

[0049] The present invention is described below through a specific operating process:

[0050] 1. Align the lifting holes of the left bracket, right bracket and cushion block, and then connect them together;

[0051] 2. Fix the support to the left bracket and the right bracket respectively;

[0052] 3. Insert the middle bracket between the left bracket and the right bracket to align the clamping holes of the three brackets, then insert the middle pin into the clamping holes of the three brackets to connect the three brackets, and use the fastening nut to thread the middle pin to fix it, ensuring that the left bracket, right bracket and middle bracket are close together;

[0053] 4. Insert one end of the unlimited protrusion of the fixed pin into the through hole of the adjustment bracket, and then fix it with the right bracket;

[0054] 5. Adjust the relative positions of the middle bracket, the left bracket and the right bracket so that the raised steps of the three brackets are located on the same horizontal plane and are arranged at equal intervals; and the raised steps of the three brackets vertically hook the corresponding parts of the cylinder;

[0055] 6. Keep the current posture of the device, rotate and adjust the bracket so that the appropriate U-shaped groove position is inserted into the positioning column to complete the fixing of the cylinder posture;

[0056] 7. Use slings, hooks and other tools to clamp the lifting holes of the middle bracket, left bracket, right bracket and pad, thus completing the lifting preparation.

[0057] Beneficial effects of the present invention:

[0058] The present invention provides a clamping and lifting device, which includes: a left bracket, a right bracket and an intermediate bracket; the intermediate bracket is arranged between the left bracket and the right bracket; the top ends of the left bracket, the right bracket and the intermediate bracket are respectively provided with lifting holes; the bottom ends of the left bracket, the right bracket and the intermediate bracket are respectively provided with raised steps that can clamp the cylinder; the left bracket, the right bracket and the intermediate bracket are connected by an intermediate pin shaft and can rotate around the intermediate pin shaft; the left bracket is fixedly connected to the right bracket; the right bracket and the intermediate bracket are fixedly connected by an adjusting tower. Through the device, the vertical lifting, vertical transportation and vertical placement of the cylinder can be realized, and the axis posture of the cylinder parts is kept in the vertical direction during the whole process; the device has a simple structure and is easy to operate, and can quickly realize the clamping and lifting of cylinder parts.

[0059] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A clamping and lifting device, characterized in that: include: A left bracket, a right bracket and a middle bracket; the middle bracket is arranged between the left bracket and the right bracket; The top ends of the left bracket, the right bracket and the middle bracket are respectively provided with lifting holes; the bottom ends of the left bracket, the right bracket and the middle bracket are respectively provided with raised steps capable of clamping the cylinder; The left bracket, the right bracket and the middle bracket are connected by a middle pin shaft and can rotate around the middle pin shaft; the left bracket is fixedly connected to the right bracket; the right bracket is fixedly connected to the middle bracket by an adjusting tower.

2. The device according to claim 1, characterized in that: The middle parts of the left bracket, the right bracket and the middle bracket are respectively provided with clamping holes for passing the middle pin shaft to connect the left bracket, the right bracket and the middle bracket.

3. The device according to claim 2, characterized in that Also includes: Tighten the nut; The fastening nut is used to fix the middle pin shaft passing through the left bracket, the right bracket and the middle bracket.

4. The device according to claim 1, characterized in that: A cushion block is arranged between the top ends of the left bracket and the right bracket, and the left bracket, the cushion block and the right bracket are fixedly connected.

5. The device according to claim 4, characterized in that: A lifting hole is arranged on the cushion block, and the lifting hole on the cushion block is coaxial with the lifting holes on the left bracket and the right bracket.

6. The device according to claim 1, characterized in that: The left bracket is fixedly connected to the right bracket via support.

7. The device according to claim 1, characterized in that: A through hole is provided on the adjusting tower, which is used for passing a fixing pin shaft through to fix one end of the adjusting tower with the right bracket.

8. The device according to claim 1, characterized in that Also includes: Positioning column; The positioning column is fixedly arranged on the intermediate bracket.

9. The device according to claim 8, characterized in that: A plurality of U-shaped grooves arranged in sequence are also provided on the adjusting tower, and the positioning column is used to pass through one of them so as to fix the other end of the adjusting tower with the intermediate bracket.

10. The device according to claim 1, characterized in that: The raised steps on the left bracket, the right bracket and the middle bracket are located on the same horizontal plane and are arranged at equal intervals.

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