Tungsten wire rope snapping experiment clamp for single crystal furnace

Abstract

The utility model provides a tungsten filament rope snapping experiment clamp for a single crystal furnace, and relates to the technical field of single crystal furnaces. The first chuck is connected with one end of a tungsten filament rope, a rope connecting groove is formed in the first chuck, the second chuck is connected with the other end of the tungsten filament rope, a clamping groove is formed in the second chuck, a wedge block is arranged in the clamping groove, a ball head and a clamping sleeve are arranged at the end of the tungsten filament rope, and the section of the rope connecting groove is in an arc shape with the inner diameter matched with that of the ball head. The clamping groove is in a wedge shape matched with the wedge block in shape, and a circle of inwards-concave wire groove is formed in the side wall of the wedge block. According to the utility model, stable connection of the tungsten filament rope on the snapping machine is rapidly realized.

Description

Technical Field

[0001] The utility model relates to the technical field of single crystal furnaces, in particular to a tungsten wire rope breaking test fixture for single crystal furnaces. Background Art

[0002] As an important component for drawing single crystal silicon rods in single crystal furnaces, tungsten wire rope has strict requirements on its working performance, including length, load-bearing capacity, wire diameter, material, and weaving process. At present, the normal service life of tungsten wire rope for single crystal furnaces in the industry is formulated according to the performance test report provided by the manufacturer, and is generally set at 11-12 months. It needs to be replaced as soon as possible after reaching the limit cycle. With the continuous changes in the demand of the industry market, corporate economic development is also facing challenges. Reducing costs and increasing efficiency are important means to help companies control costs. Due to the high procurement cost of tungsten wire rope, it accounts for a high proportion of the non-silicon cost of single crystal drawing. The performance test of tungsten wire rope can be carried out to analyze its life and organizational state to determine whether the normal service life of tungsten wire rope can be extended.

[0003] In the prior art, the performance test of tungsten wire rope includes using a breaking machine to apply tension and measure the various force data of the tungsten wire rope. However, there is no effective installation tool for the breaking machine to test the tungsten wire rope. If the tungsten wire rope is not properly installed on the breaking machine, the reliability of the breaking data will be affected. Utility Model Content

[0004] The utility model aims to develop a single crystal furnace tungsten wire rope breaking experiment fixture which can quickly realize the stable connection of the tungsten wire rope on a breaking machine.

[0005] The utility model is achieved through the following technical solutions:

[0006] A single crystal furnace tungsten wire rope breaking test fixture, comprising:

[0007] The first chuck is connected to one end of the tungsten wire rope;

[0008] a rope connection groove, provided on the first clamping head;

[0009] The second chuck is connected to the other end of the tungsten wire rope;

[0010] A clamping slot is provided on the second clamping head;

[0011] a wedge, disposed in the slot;

[0012] The end of the tungsten wire rope is provided with a ball head and a ferrule. The cross section of the rope connecting groove is an arc shape whose inner diameter matches the ball head. The ferrule is a wedge shape that matches the wedge block. A circle of concave wire grooves is provided on the side wall of the wedge block.

[0013] Optionally, the first clamp includes a first rope connecting portion and a first machine connecting portion connected to each other, the rope connecting groove is provided on the first rope connecting portion, and the first machine connecting portion is connected to the breaking machine.

[0014] Optionally, the first rope connection part and the first machine connection part are both cylindrical and coaxially connected, the outer diameter of the first machine connection part is smaller than the first rope connection part, and the first machine connection part is provided with a connection hole passing through it radially.

[0015] Optionally, in the radial direction of the first rope connecting portion, the rope connecting groove is opened radially inward from the outer wall of the first rope connecting portion to the center;

[0016] In the axial direction of the first rope connecting portion, the rope connecting groove is opened along the axial direction of the first rope connecting portion to the bottom surface of the first rope connecting portion away from the first machine connecting portion.

[0017] Optionally, the rope connection groove includes an outer groove section and an inner groove section in sequence in the direction close to the first machine connection part, the cross-section of the inner groove section is an arc shape with an inner diameter adapted to the ball head, and the width of the outer groove section is adapted to the outer diameter of the ferrule at the ball head.

[0018] Optionally, the second chuck includes a hinged second rope connection part and a second machine connection part, the second machine connection part is connected to the breaking machine, the second rope connection part includes a clamping block, and the clamping slot is provided on the clamping block.

[0019] Optionally, the second machine connection portion is cylindrical, and a connection hole is provided on the second machine connection portion along its radial direction.

[0020] Optionally, two parallel clamps are provided on the clamping block on the larger end side of the clamping slot, and the two clamps are provided with through holes with corresponding positions. The second machine connection part is provided with a connecting plate with a width corresponding to the spacing between the two clamps, and the connecting plate is provided with a circular hole that cooperates with the through hole, and an insert rod or a pin is provided in the circular hole and the two through holes.

[0021] Optionally, the cross section of the wire trough is in the shape of an arc with an inner diameter matching the outer diameter of the tungsten wire rope.

[0022] Optionally, the cross section of the wire trough is a minor arc.

[0023] The beneficial effects of the utility model are:

[0024] The utility model has a simple structure and low production and use costs. The rope connecting groove provided on the first chuck is adapted to the tungsten wire rope, and the two can be quickly connected. After the tungsten wire rope is wrapped around the wedge block, the wedge block is placed in the slot to quickly connect the tungsten wire rope to the second chuck, making it easy to install the tungsten wire rope on the breaking machine, and the first chuck and the second chuck are firmly connected to the tungsten wire rope, ensuring the accuracy of the tungsten wire rope breaking data. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0026] Figure 1 This is a schematic diagram of the structure of the utility model;

[0027] Figure 2 It is a structural schematic diagram of the utility model from another perspective.

[0028] Figure numerals: 100, first chuck; 101, first machine connection part; 102, first rope connection part; 103, outer groove section; 104, inner groove section; 200, second chuck; 201, second machine connection part; 202, clamping block; 203, wedge block; 204, splint; 205, connecting plate. DETAILED DESCRIPTION

[0029] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are to be regarded as illustrative in nature and not restrictive.

[0030] In the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection, indirect connection through an intermediate medium, or internal communication between two elements or interaction between two elements. Those skilled in the art can understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0031] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0032] like Figure 1 and Figure 2 As shown, the utility model discloses a single crystal furnace tungsten wire rope breaking test fixture, including a first clamp 100 and a second clamp 200 movably connected to a breaking machine, and the first clamp 100 and the second clamp 200 are respectively connected to the two ends of the tungsten wire rope.

[0033] The first chuck 100 includes a first rope connecting portion 102 and a first machine connecting portion 101 . The first rope connecting portion 102 and the first machine connecting portion 101 are both cylindrical and coaxial. The outer diameter of the first machine connecting portion 101 is smaller than that of the first rope connecting portion 102 .

[0034] A connecting hole is horizontally provided on the first connecting part 101 and radially penetrates the first connecting part 101. After the first connecting part 101 is plugged into the breaking machine, the first chuck 100 is fixed by inserting a pin or a rod into the connecting hole.

[0035] A rope connection groove is provided on first rope connection portion 102, into which the tungsten wire rope and the ball head at its end slide to connect with first rope connection portion 102. In the radial direction of first rope connection portion 102, the rope connection groove extends radially inward from the outer wall of first rope connection portion 102 to the center. In the axial direction of first rope connection portion 102, the rope connection groove extends along the axial direction of first rope connection portion 102 to the bottom surface of first rope connection portion 102 away from first mechanical connection portion 101.

[0036] The rope connecting groove includes an outer groove section 103 and an inner groove section 104 in the direction close to the first machine connecting part 101. The cross-section of the inner groove section 104 is an arc-shaped whose inner diameter is adapted to the ball head of the tungsten wire rope. The width of the outer groove section 103 is adapted to the outer diameter of the ferrule at the ball head, and the outer diameter of the ferrule is slightly larger than the outer diameter of the tungsten wire rope.

[0037] The second chuck 200 includes a second rope connection portion and a second machine connection portion 201, which are movably hinged to the second machine connection portion 201. The second machine connection portion 201 is cylindrical and has a horizontal connection hole extending radially through the second machine connection portion 201. After the second machine connection portion 201 is connected to the breaking machine, a pin or rod is inserted into the connection hole to secure the second machine connection portion 201.

[0038] The second rope connection includes a block 202 with a slot extending through the block 202. The slot is wedge-shaped, with one end larger than the other. A matching wedge 203 is located within the slot. The sidewalls of wedge 203 are formed with a concave wire groove. The cross-section of the groove is an arc-shaped arc with an inner diameter that matches the outer diameter of the tungsten wire rope. This arc is a minor arc, ensuring that when the tungsten wire rope is within the groove, more than half of the rope is exposed, increasing the contact area between the rope and the slot.

[0039] The block 202 at the larger end of the slot is equipped with two parallel clamping plates 204, each with corresponding through-holes. The second mechanical connection 201 is equipped with a connecting plate 205, whose width corresponds to the spacing between the two clamping plates 204. The connecting plate 205 has circular holes that mate with the through-holes. The connecting plate 205 of the second mechanical connection 201 is inserted between the two clamping plates 204. A rod or pin is inserted through the circular hole and the two through-holes, achieving an articulated connection between the second mechanical connection 201 and the second rope connection.

[0040] The tungsten wire rope is equipped with a ball joint and a ferrule at each end. The center of the ball joint is aligned with the rope axis, and the ferrule fits over the rope. When testing the tungsten wire rope, the rope is cut to the length required for long-term operation, leaving the ball joint and ferrule on one end. The end with the ball joint is then connected to the first chuck 100 and the other end to the second chuck 200. When connecting to the first chuck 100, the ball joint is slid into the inner groove section 104 of the rope connection slot, and the tungsten wire rope and ferrule are slid into the outer groove section 103 of the rope connection slot. When connecting to the second chuck 200, the wedge 203 is removed, the tungsten wire rope is wound around the groove of the wedge 203, and the wedge 203 is inserted into the clamping slot. The tungsten wire rope is tightened until the wedge 203 is firmly locked in the clamping slot. The first chuck 100 and the second chuck 200, with the tungsten wire rope clamped, are then installed in the mounting holes of the tensile testing machine. The tensile testing machine then applies tension to measure the various forces acting on the tungsten wire rope.

[0041] The utility model has a simple structure and low production and use costs. The rope connecting groove provided on the first chuck 100 is adapted to the tungsten wire rope, and the two can be quickly connected. After the tungsten wire rope is wrapped around the wedge block 203, the wedge block 203 is placed in the slot to quickly connect the tungsten wire rope to the second chuck 200, making it easy to install the tungsten wire rope on the breaking machine, and the first chuck 100 and the second chuck 200 are firmly connected to the tungsten wire rope, ensuring the accuracy of the tungsten wire rope breaking data.

[0042] The above embodiments are only preferred embodiments of the present invention and are not limitations on the technical solutions of the present invention. Any technical solution that can be implemented on the basis of the above embodiments without creative work should be deemed to fall within the scope of protection of the patent of the present invention.

Claims

1. A single crystal furnace tungsten wire rope breaking test fixture, characterized in that: include: The first chuck is connected to one end of the tungsten wire rope; a rope connection groove, provided on the first clamping head; The second chuck is connected to the other end of the tungsten wire rope; A clamping slot is provided on the second clamping head; a wedge, disposed in the slot; The end of the tungsten wire rope is provided with a ball head and a ferrule. The cross section of the rope connecting groove is an arc shape whose inner diameter matches the ball head. The ferrule is a wedge shape that matches the wedge block. A circle of concave wire grooves is provided on the side wall of the wedge block.

2. The single crystal furnace tungsten wire rope breaking test fixture according to claim 1 is characterized in that: The first clamp includes a first rope connecting portion and a first machine connecting portion connected to each other, the rope connecting groove is provided on the first rope connecting portion, and the first machine connecting portion is connected to the breaking machine.

3. The single crystal furnace tungsten wire rope breaking test fixture according to claim 2, characterized in that: The first rope connection part and the first machine connection part are both cylindrical and coaxially connected. The outer diameter of the first machine connection part is smaller than that of the first rope connection part. The first machine connection part is provided with a connection hole penetrating along its radial direction.

4. The single crystal furnace tungsten wire rope breaking test fixture according to claim 3 is characterized in that: In the radial direction of the first rope connecting portion, the rope connecting groove is opened radially inward from the outer wall of the first rope connecting portion to the center; In the axial direction of the first rope connecting portion, the rope connecting groove is opened along the axial direction of the first rope connecting portion to the bottom surface of the first rope connecting portion away from the first machine connecting portion.

5. The single crystal furnace tungsten wire rope breaking test fixture according to claim 4, characterized in that: The rope connection groove includes an outer groove section and an inner groove section in sequence in the direction close to the first machine connection part. The cross-section of the inner groove section is an arc shape with an inner diameter adapted to the ball head, and the width of the outer groove section is adapted to the outer diameter of the sleeve at the ball head.

6. The single crystal furnace tungsten wire rope breaking test fixture according to claim 1, characterized in that: The second clamping head includes a hinged second rope connecting part and a second machine connecting part, the second machine connecting part is connected to the breaking machine, the second rope connecting part includes a clamping block, and the clamping slot is provided on the clamping block.

7. The single crystal furnace tungsten wire rope breaking test fixture according to claim 6, characterized in that: The second machine connection part is cylindrical, and a connection hole is formed in the second machine connection part along the radial direction thereof.

8. The single crystal furnace tungsten wire rope breaking test fixture according to claim 7, characterized in that: Two parallel clamps are provided on the clamping block on the larger end of the clamping slot, and through holes corresponding to the positions are provided on the two clamping plates. A connecting plate with a width corresponding to the spacing between the two clamping plates is provided on the second mechanical connection part, and a circular hole matching the through hole is provided on the connecting plate, and an insert rod or a pin is provided in the circular hole and the two through holes.

9. The single crystal furnace tungsten wire rope breaking test fixture according to claim 1, characterized in that: The cross section of the wire trough is in the shape of an arc, the inner diameter of which is adapted to the outer diameter of the tungsten wire rope.

10. The single crystal furnace tungsten wire rope breaking test fixture according to claim 9, characterized in that: The cross section of the wire trough is a minor arc.

Images