Molecular pump hoisting positioning device and method

Abstract

The molecular pump hoisting and positioning device comprises an outer ring assembly and an inner ring assembly, the inner ring assembly is arranged in an inner ring groove of the outer ring assembly, a gap is formed between the outer surface of the inner ring assembly and the inner ring groove of the outer ring assembly, and the inner ring assembly is arranged in the gap. Multiple sets of radial rolling steel balls are arranged in the gap in the circumferential direction of the inner ring groove, the outer ring assembly is divided into an outer ring semicircle A and an outer ring semicircle B. One end of the outer ring semicircle A is connected with one end of the outer ring semicircle B through a hinge. The other end of the outer ring semicircle A is connected with the other end of the outer ring semicircle B through a clamping device, and the inner ring assembly is divided into an inner ring sleeve ring A and an inner ring sleeve ring B. The device has the advantages that posture conversion and radial arbitrary posture adjustment in the molecular pump assembling process can be achieved, and the relative positions of the mounting holes and the fixing holes can be rapidly adjusted when the molecular pump is hoisted.

Description

Technical Field

[0001] The invention relates to the technical field of photovoltaics, and in particular to a molecular pump hoisting and positioning device and method. Background Art

[0002] Molecular pumps are vacuum pumps that use high-speed rotating rotors to transfer momentum to gas molecules, allowing them to obtain directional speed, so that they are compressed and driven to the exhaust port to be pumped away by the front stage. Molecular pumps are currently widely used in the photovoltaic industry. Due to their heavy weight, they need to be hoisted during installation. The existing hoisting tools will clamp the outer diameter of the molecular pump during hoisting, resulting in the molecular pump posture cannot be adjusted as required, and it is difficult to align the molecular pump hole position with the chamber hole position. Summary of the invention

[0003] The present invention provides a molecular pump hoisting and positioning device and method, which solve the technical problems existing in the above-mentioned prior art.

[0004] According to one aspect of the present invention, a molecular pump hoisting and positioning device is provided, characterized in that it comprises: an outer ring component and an inner ring component, the inner ring component is arranged in the inner ring groove of the outer ring component, the inner surface of the inner ring component is closely connected with the molecular pump, the process hole of the molecular pump is opposite to the process hole of the chamber, there is a gap between the outer surface of the inner ring component and the inner ring groove of the outer ring component, and multiple groups of radial rolling steel balls are arranged in the gap along the circumferential direction of the inner ring groove. The outer ring component is divided into two parts: an outer ring semicircle A and an outer ring semicircle B, one end of the outer ring semicircle A and one end of the outer ring semicircle B are connected by a hinge, and the other end of the outer ring semicircle A and the other end of the outer ring semicircle B are connected by a clamping device, and the inner ring component is divided into two parts: an inner ring ring A and an inner ring ring B, and the two ends of the inner ring ring A and the two ends of the inner ring ring B are connected and fixed by screws.

[0005] Furthermore, the inner ring groove of the outer ring assembly is also provided with side guide steel balls.

[0006] Furthermore, the clamping device includes: a quick caliper and a hanging rod, the quick caliper is arranged at the other end of the outer semicircle B, a hook is arranged on the quick caliper, and the hanging rod is arranged at the other end of the outer semicircle A.

[0007] Furthermore, the inner surfaces of the inner ring A and the inner ring B are also provided with an anti-slip lining respectively.

[0008] Furthermore, a lifting ring is provided on the outer surface of the outer semicircle A.

[0009] Furthermore, the lifting ring is connected to a lifting mechanism.

[0010] Another aspect of the present invention is to provide a method for hoisting and positioning a molecular pump, characterized in that it includes: providing an outer ring component and an inner ring component, the inner ring component is arranged in the inner ring groove of the outer ring component, a molecular pump is arranged closely through the inner surface of the inner ring component, the process hole of the molecular pump is opposite to the process hole of the chamber, there is a gap between the outer surface of the inner ring component and the inner ring groove of the outer ring component, a plurality of groups of radial rolling steel balls are arranged in the gap along the circumferential direction of the inner ring groove, the outer ring component is divided into two parts, an outer ring semicircle A and an outer ring semicircle B, one end of the outer ring semicircle A The inner ring assembly is connected to one end of the outer semicircle B by a hinge, the other end of the outer semicircle A and the other end of the outer semicircle B are connected by a clamping device, the inner ring assembly is divided into two parts, the inner ring ring A and the inner ring ring B, and the two ends of the inner ring ring A and the two ends of the inner ring ring B are connected and fixed by screws; the molecular pump is clamped by the inner ring assembly, and the molecular pump is hoisted to the vicinity of the chamber process hole by the outer ring assembly, and the posture of the molecular pump is adjusted until the process hole of the molecular pump and the axis of the chamber process hole are in the same straight line, so that the process hole of the molecular pump and the process hole of the chamber are aligned.

[0011] Furthermore, it also includes: a lifting ring is also arranged on the outer surface of the outer semicircle A, and the molecular pump is lifted by passing a lifting hook and a lifting chain through the lifting ring.

[0012] Furthermore, a chamber frame is provided at the lower part of the chamber.

[0013] It can be seen from the technical solution provided by the present invention that, by adopting the present invention, through the combination of the outer ring component and the inner ring component, the inner ring component is arranged in the inner ring groove of the outer ring component, there is a gap between the outer surface of the inner ring component and the inner ring groove of the outer ring component, and multiple groups of radial rolling steel balls are arranged in the gap along the circumferential direction of the inner ring groove, the outer ring component is divided into two parts, the outer ring semicircle A and the outer ring semicircle B, one end of the outer ring semicircle A and one end of the outer ring semicircle B are connected by a hinge, the other end of the outer ring semicircle A and the other end of the outer ring semicircle B are connected by a clamping device, and the inner ring component is divided into two parts, the inner ring collar A and the inner ring collar B, and the two ends of the inner ring collar A and the two ends of the inner ring collar B are connected and fixed by screws. The posture conversion and radial arbitrary posture adjustment in the process of molecular pump assembly can be realized, and the relative position of the mounting hole and the fixing hole can be quickly adjusted when the molecular pump is hoisted.

[0014] The above description is only an overview of the technology of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented according to the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] By reading the detailed description of the preferred embodiment below, various other advantages and benefits will become clear to those of ordinary skill in the art. The accompanying drawings are only used for the purpose of illustrating the preferred embodiment and are not considered to be limitations of the present invention. In addition, the same reference symbols are used to represent the same components throughout the accompanying drawings.

[0016] Figure 1 It is a schematic structural diagram of the outer ring component of the molecular pump lifting and positioning device of the present invention.

[0017] Figure 2 It is a schematic structural diagram of the inner ring component of the molecular pump lifting and positioning device of the present invention.

[0018] Figure 3 It is a schematic diagram of the usage scenario status of the present invention.

[0019] In the attached drawings, 1 is a hook and chain, 2 is an outer ring assembly, 3 is a molecular pump, 4 is a molecular pump process hole, 5 is a chamber process hole, 6 is a chamber, 7 is a hinge, 8 is an outer ring semicircle A, 9 is an outer ring semicircle B, 10 is a radial rolling steel ball, 11 is a quick caliper, 12 is a hook, 13 is a hanging rod, 14 is a side guide steel ball, 15 is a ground, 16 is a chamber frame, 17 is an anti-slip lining, 18 is an inner ring A, 19 is an inner ring B, and 20 is a screw. DETAILED DESCRIPTION

[0020] The exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present invention and to enable the scope of the present invention to be fully communicated to those skilled in the art.

[0021] The following is a detailed description of a molecular pump hoisting and positioning device provided by the present invention. The contents not described in detail in the embodiments of the present invention belong to the prior art known to professionals in the field. If no specific conditions are specified in the embodiments of the present invention, the conventional conditions in the field or the conditions recommended by the manufacturer shall be followed.

[0022] See also Figure 1A molecular pump hoisting and positioning device of the present invention comprises: an outer ring component 2 and an inner ring component, wherein the inner ring component is arranged in an inner ring groove of the outer ring component, a molecular pump 3 is arranged closely on the inner surface of the inner ring component, a process hole 4 of the molecular pump is opposite to a process hole 5 of a chamber, a gap is provided between the outer surface of the inner ring component and the inner ring groove of the outer ring component 2, a plurality of groups of radial rolling steel balls 10 are arranged in the gap along the circumferential direction of the inner ring groove, the outer ring component 2 is divided into two parts, an outer ring semicircle A8 and an outer ring semicircle B9, one end of the outer ring semicircle A8 and one end of the outer ring semicircle B9 are connected by a hinge, the other end of the outer ring semicircle A8 and the other end of the outer ring semicircle B9 are connected by a clamping device, the inner ring component is divided into two parts, an inner ring collar A18 and an inner ring collar B19, the two ends of the inner ring collar A18 and the two ends of the inner ring collar B19 are connected and fixed by screws 20.

[0023] As a specific embodiment, the inner ring groove of the outer ring assembly 2 is further provided with side guide steel balls 14 .

[0024] As a specific embodiment, the clamping device includes: a quick caliper 11 and a hanging rod 13, the quick caliper 11 is arranged at the other end of the outer semicircle B9, a hook 12 is arranged on the quick caliper 11, and the hanging rod 13 is arranged at the other end of the outer semicircle A8.

[0025] As a specific embodiment, the inner surfaces of the inner ring A18 and the inner ring B19 are also provided with an anti-slip lining 17 respectively.

[0026] As a specific embodiment, a hanging ring is further provided on the outer surface of the outer semicircle A8.

[0027] As a specific embodiment, the lifting ring is connected to a lifting mechanism.

[0028] Outer ring assembly: This part of the structure mainly realizes the radial rotation of the molecular pump, such as Figure 1 As shown, it is mainly composed of the following key parts: a lifting ring is installed at the center of the outer semicircle A8 and the outer semicircle B9, wherein the outer semicircle A8 and the outer semicircle B9 are connected together by a hinge 7, and can be opened and closed around the hinge axis. After closing, the quick caliper 11 pulls down the handle to drive the hook 12 to move down on the hanging rod 13, and the molecular pump 3 and the inner ring component are tightly held, wherein the radial rolling steel ball 10 is embedded in the guide groove of the outer semicircle A8 and the outer semicircle B9 to guide the inner ring component, and the side guide steel ball 14 will guide the side of the inner ring component to prevent rigid friction, and the inner ring component rotates along the inner groove of the outer semicircle A8 and the outer semicircle B9, driving the molecular pump 3 to rotate, thereby completing the hole position adjustment.

[0029] Inner ring assembly: This part is as follows Figure 2 As shown, it is composed of an inner ring A18, an inner ring B19, and an anti-skid lining 17, wherein the anti-skid lining 17 is fixed in the grooves of the inner ring A18 and the inner ring B19. The action flow is roughly as follows: the two half circles of the inner ring A18 and the inner ring B19 are assembled and fastened with the fastening screws 20 to hold the molecular pump 3 tightly.

[0030] like Figure 3 As shown, the present invention includes: an inner ring component and an outer ring component. In addition, 3 is a molecular pump, that is, the object to be hoisted. The final effect to be achieved by this technical solution is that after the heavier molecular pump is hoisted, the installation posture can be adjusted and accurately installed in a fixed position of the equipment. The molecular pump installation process is as follows Figure 3 As shown, firstly, the device fixes and clamps the molecular pump, then the molecular pump is lifted to a suitable height by a lifting device, and then the molecular pump body is rotated to align the cavity hole with the molecular pump process hole for fastening.

[0031] According to the present invention, through the combination of an outer ring component and an inner ring component, the inner ring component is arranged in the inner ring groove of the outer ring component, a gap is provided between the outer surface of the inner ring component and the inner ring groove of the outer ring component, multiple groups of radial rolling steel balls are arranged in the gap along the circumferential direction of the inner ring groove, the outer ring component is divided into two parts, an outer ring semicircle A and an outer ring semicircle B, one end of the outer ring semicircle A and one end of the outer ring semicircle B are connected by a hinge, the other end of the outer ring semicircle A and the other end of the outer ring semicircle B are connected by a clamping device, the inner ring component is divided into two parts, an inner ring collar A and an inner ring collar B, the two ends of the inner ring collar A and the two ends of the inner ring collar B are connected and fixed by screws. The posture conversion and radial arbitrary posture adjustment in the process of molecular pump assembly can be realized, and the relative position of the mounting hole and the fixing hole can be quickly adjusted when the molecular pump is hoisted.

[0032] It should be clear that the present invention is not limited to the specific configuration and processing described above and shown in the figures. For the sake of simplicity, a detailed description of the known method is omitted here. In the above embodiments, several specific steps are described and shown as examples. However, the method process of the present invention is not limited to the specific steps described and shown, and those skilled in the art can make various changes, modifications and additions, or change the order between the steps after understanding the spirit of the present invention.

Claims

1. A molecular pump hoisting and positioning device, characterized in that: include: An outer ring component and an inner ring component, wherein the inner ring component is arranged in the inner ring groove of the outer ring component, a molecular pump is arranged closely through the inner surface of the inner ring component, the process hole of the molecular pump is opposite to the process hole of the chamber, and there is a gap between the outer surface of the inner ring component and the inner ring groove of the outer ring component, and multiple groups of radial rolling steel balls are arranged in the gap along the circumferential direction of the inner ring groove. The outer ring component is divided into two parts: an outer ring semicircle A and an outer ring semicircle B, one end of the outer ring semicircle A and one end of the outer ring semicircle B are connected by a hinge, and the other end of the outer ring semicircle A and the other end of the outer ring semicircle B are connected by a clamping device, and the inner ring component is divided into two parts: an inner ring ring A and an inner ring ring B, and the two ends of the inner ring ring A and the two ends of the inner ring ring B are connected and fixed by screws.

2. The molecular pump hoisting and positioning device according to claim 1, characterized in that: The inner ring groove of the outer ring component is also provided with side guide steel balls.

3. The molecular pump hoisting and positioning device according to claim 1, characterized in that: The clamping device comprises: a quick caliper and a hanging rod, wherein the quick caliper is arranged at the other end of the outer semicircle B, a hook is arranged on the quick caliper, and the hanging rod is arranged at the other end of the outer semicircle A.

4. The molecular pump hoisting and positioning device according to claim 1, characterized in that: The inner surfaces of the inner ring A and the inner ring B are also provided with an anti-slip lining respectively.

5. The molecular pump hoisting and positioning device according to claim 1, characterized in that: A lifting ring is also arranged on the outer surface of the outer semicircle A.

6. The molecular pump hoisting and positioning device according to claim 5, characterized in that: The lifting ring is connected to the lifting mechanism.

7. A molecular pump hoisting and positioning method, characterized in that: include: An outer ring component and an inner ring component are provided, wherein the inner ring component is arranged in an inner ring groove of the outer ring component, a molecular pump is arranged closely through the inner surface of the inner ring component, a process hole of the molecular pump is opposite to a process hole of a chamber, a gap is provided between the outer surface of the inner ring component and the inner ring groove of the outer ring component, a plurality of groups of radial rolling steel balls are arranged in the gap along the circumferential direction of the inner ring groove, the outer ring component is divided into two parts, an outer ring semicircle A and an outer ring semicircle B, one end of the outer ring semicircle A and one end of the outer ring semicircle B are connected by a hinge The other end of the outer semicircle A and the other end of the outer semicircle B are connected by a clamping device, the inner ring component is divided into two parts, the inner ring ring A and the inner ring ring B, and the two ends of the inner ring ring A and the two ends of the inner ring ring B are connected and fixed by screws; the molecular pump is clamped by the inner ring component, and the molecular pump is hoisted to the vicinity of the chamber process hole by the outer ring component, and the posture of the molecular pump is adjusted until the process hole of the molecular pump and the axis of the process hole of the chamber are in the same straight line, so that the process hole of the molecular pump and the process hole of the chamber are aligned.

8. The molecular pump hoisting and positioning method according to claim 7, characterized in that: Also includes: A lifting ring is also arranged on the outer surface of the outer semicircle A, and the molecular pump is lifted by passing a lifting hook and a lifting chain through the lifting ring.

9. The molecular pump hoisting and positioning method according to claim 8, characterized in that: A chamber frame is arranged at the lower part of the chamber.

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