CN220030040U - Graphite electrode torque wrench - Google Patents
Graphite electrode torque wrench Download PDFInfo
- Publication number
- CN220030040U CN220030040U CN202321311731.9U CN202321311731U CN220030040U CN 220030040 U CN220030040 U CN 220030040U CN 202321311731 U CN202321311731 U CN 202321311731U CN 220030040 U CN220030040 U CN 220030040U
- Authority
- CN
- China
- Prior art keywords
- spanner
- clamping ring
- graphite electrode
- torque wrench
- gasket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 32
- 239000010439 graphite Substances 0.000 title claims abstract description 32
- 238000003825 pressing Methods 0.000 claims abstract description 58
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000010891 electric arc Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Furnace Details (AREA)
Abstract
The utility model relates to a graphite electrode torque wrench, which belongs to the technical field of metallurgical tools and comprises a clamping ring, a left clamping plate, a right clamping plate, a wrench handle, a pressing plate, an eccentric pressing block, a top piece, a top seat, a wrench pipe, a spring, a T-shaped top piece, a round top plate, a connecting ejector rod, an adjusting nut, an adjusting screw, a clamping ring, a sheath, a baffle piece, a fixing nut and a steel ball; the torque wrench for the graphite electrode can adjust the torque to prevent the electrode from being damaged due to overlarge or overlarge force of an operator, the relative position of the clamping ring and the wrench handle can be changed after the set force is reached in the operation, the torque wrench is accompanied with a spring sound, the operator is reminded of reaching the set torque, and after the operator stops operating, the clamping ring and the wrench handle can be restored to the original shape with deformation generated by the wrench tube; according to graphite electrodes with different diameters, an operator controls the required force by adjusting the tightness degree of the spring, and the device is suitable for graphite electrodes with different specifications in field environments.
Description
Technical Field
The utility model belongs to the technical field of metallurgical tools, and particularly relates to a graphite electrode mounting tool.
Background
Graphite electrodes of electric arc steel furnaces in many steel mills in China are usually locked by using an ordinary wrench which does not have the function of setting output torque. This mode of operation often occurs in two cases: the first is that the graphite electrode is locked too loosely and the electric arc furnace will vibrate to some extent during steelmaking, which will cause the graphite electrode to fall off in the electric arc furnace; the second case is that the graphite electrode is locked too tightly, and the tension generated by the locking is greatly beyond the allowable stress range of the graphite electrode, so that the graphite electrode is broken.
Both conditions can lead to production stop, resulting in waste of manpower and material resources, and therefore, a wrench capable of stably locking the graphite electrode is needed to solve the above problems.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: providing a torque wrench for locking graphite electrodes, which overcomes the problems of the prior art;
a graphite electrode torque wrench is characterized in that: comprises a clamping ring, a spanner, a pressing plate, an eccentric pressing block, a spanner tube, a pressing spring mechanism and a moment adjusting mechanism;
the clamping ring, the spanner, the pressing plate, the spanner tube and the moment adjusting mechanism are sequentially connected;
the clamping ring is a semicircular ring, and a left clamping plate and a right clamping plate are fixedly arranged at two ends of the clamping ring through bolts respectively;
the clamping ring is connected with one end of the spanner; the number of the pressing plates is two, the two pressing plates are arranged in parallel, an eccentric pressing block is hinged between the two pressing plates, the spanner is hinged with the two pressing plates, and one side of the eccentric pressing block is tightly contacted with the other end of the spanner;
the compression spring mechanism is arranged in the spanner tube and comprises a top sheet, a top seat, a spring, a T-shaped top piece, a gasket I and a gasket II;
the top seat, the spring and the T-shaped top piece are sequentially connected, and the top seat supports the top piece to be in close contact with the other side of the eccentric pressing block;
a gasket I and a gasket II are sleeved on the T-shaped top piece;
the pipe pulling device is characterized in that the pipe pulling device is hollow, the inner wall of the pipe pulling device is provided with a threaded pipe body structure, and the pipe pulling device is connected with the moment adjusting mechanism;
the moment adjusting mechanism comprises an adjusting nut, an adjusting screw, a sheath and a fixing nut;
an adjusting nut is sleeved on the adjusting screw, and a pit matched with the end part of the T-shaped top piece is formed in the end part of the adjusting screw; threads are arranged on the inner wall and the outer wall of the adjusting nut, and the adjusting nut is in threaded connection with the pipe pulling device;
the adjusting screw is integrally formed and provided with a clamping ring;
the sheath is sleeved on the spanner tube, and a baffle is fixedly arranged at the end part of the sheath;
the fixing nut is arranged on the adjusting screw, and the fixing nut and the clamping ring are mutually matched to clamp the baffle.
Grooves matched with the top piece are formed in the top seat and the eccentric pressing block.
Through holes are regularly formed in the gasket I, pits matched with the through holes in position are formed in the gasket II, and steel balls are arranged in the through holes; the surface of the T-shaped top piece contacted with the gasket I is also provided with a pit matched with the position of the through hole.
And the eccentric pressing block is provided with a friction cambered surface I and a friction cambered surface II.
The spanner is provided with a limiting cambered surface matched with the friction cambered surface I and the friction cambered surface II.
The clamping ring is connected with the spanner through a right clamping plate in a bolt connection mode.
The T-shaped top piece comprises a round top plate and a connecting ejector rod, and the round top plate and the connecting ejector rod are integrally formed; the circular top plate is tightly contacted with one end of the spring, and the connecting ejector rod is contacted and connected with a pit arranged at the end part of the adjusting screw.
The diameter of the circular top plate is matched with the inner diameter of the spanner tube.
A rotating shaft is arranged between the end parts of the two pressing plates, and the spanner is hinged with the two pressing plates through the rotating shaft.
Through the design scheme, the utility model has the following beneficial effects: the torque wrench for the graphite electrode can adjust the torque to prevent the electrode from being damaged due to overlarge or overlarge force of an operator, the operator performs operation after the torque is set, the relative position of the clamping ring and the wrench handle is changed after the set force is reached, the torque wrench is accompanied with a spring sound, the operator is reminded of reaching the set torque, and the clamping ring and the wrench handle are restored to the original shape with deformation generated by the wrench handle after the operator stops operating; according to graphite electrodes with different diameters, an operator controls the required force by adjusting the tightness degree of the spring, and the device is suitable for graphite electrodes with different specifications in field environments.
Drawings
The utility model is further described with reference to the drawings and detailed description which follow:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged view of a portion of area A of FIG. 1;
FIG. 3 is an enlarged view of a portion of region B of FIG. 1;
FIG. 4 is a schematic illustration of the connection of the adjustment nut, adjustment screw, tee top, washer I and washer II;
wherein: 1-clamping ring, 2-left clamping plate, 3-right clamping plate, 4-spanner, 401-limiting cambered surface, 7-pressing plate, 9-eccentric pressing block, 901-friction cambered surface I, 902-friction cambered surface II, 10-top sheet, 11-top seat, 12-spanner tube, 13-spring, 14-T-shaped top piece, 141-round top plate, 142-connecting ejector rod, 15-gasket I, 16-gasket II, 17-adjusting nut, 18-adjusting screw, 181-clamping ring, 19-sheath, 23-baffle, 25-fixing nut and 31-steel ball.
Detailed Description
The utility model will be further described with reference to the accompanying drawings:
a graphite electrode torque wrench is characterized in that: comprises a clamping ring 1, a spanner 4, a pressing plate 7, an eccentric pressing block 9, a spanner tube 12, a compression spring mechanism and a moment adjusting mechanism;
the clamping ring 1, the spanner 4, the pressing plate 7, the spanner tube 12 and the moment adjusting mechanism are sequentially connected;
the clamping ring 1 is a semicircular ring, and a left clamping plate 2 and a right clamping plate 3 are fixedly arranged at two ends of the semicircular ring through bolts respectively; the left clamping plate 2 and the right clamping plate 3 are in contact with the electrodes, so that the force is conveniently applied by an operator;
the clamping ring 1 is connected with one end of the spanner 4; the number of the pressing plates 7 is two, the two pressing plates 7 are arranged in parallel, an eccentric pressing block 9 is hinged between the two pressing plates 7, the spanner 4 is hinged with the two pressing plates 7, and one side of the eccentric pressing block 9 is tightly contacted with the other end of the spanner 4;
the compression spring mechanism is arranged in the spanner tube 12 and comprises a top sheet 10, a top seat 11, a spring 13, a T-shaped top piece 14, a gasket I15 and a gasket II16;
the top seat 11, the spring 13 and the T-shaped top piece 14 are connected in sequence, and the top seat 11 supports the top sheet 10 to be in close contact with the other side of the eccentric pressing block 9;
the T-shaped top piece 14 is sleeved with a gasket I15 and a gasket II16;
the pipe pulling device is characterized in that the pipe pulling device 12 is of a hollow pipe body structure, the inner wall of the pipe pulling device is provided with threads, and the pipe pulling device 12 is connected with a moment adjusting mechanism;
the moment adjusting mechanism comprises an adjusting nut 17, an adjusting screw 18, a sheath 19 and a fixing nut 25;
the adjusting screw 18 is sleeved with an adjusting nut 17, and the end part of the adjusting screw 18 is provided with a pit matched with the end part of the T-shaped top piece 14; threads are arranged on the inner wall and the outer wall of the adjusting nut 17, and the adjusting nut 17 is in threaded connection with the spanner tube 12;
the adjusting screw 18 is integrally provided with a clamping ring 181;
the sheath 19 is sleeved on the spanner tube 12, and a baffle piece 23 is fixedly arranged at the end part of the sheath 19;
the fixing nut 25 is arranged on the adjusting screw 18, and the fixing nut 25 and the clamping ring 181 are mutually matched to clamp the baffle plate 23, so that the adjusting screw 18 and the sheath 19 are integrated, the adjusting screw 18 can be rotated by rotating the sheath 19, and the pressure of the compression spring mechanism on the eccentric pressing block 9 can be increased or reduced by screwing in or screwing out the adjusting screw 18;
grooves matched with the top sheet 10 are formed in the top seat 11 and the eccentric pressing block 9.
Through holes are regularly formed in the gasket I15, pits matched with the through holes in position are formed in the gasket II16, and steel balls 31 are arranged in the through holes; the surface of the t-shaped top piece 14, which is in contact with the gasket I15, is also provided with a recess matching the position of the through hole.
The eccentric pressing block 9 is provided with a friction arc surface I901 and a friction arc surface II902.
The spanner 4 is provided with a limiting cambered surface 401 matched with the friction cambered surface I901 and the friction cambered surface II902, the limiting cambered surface 401 is in contact with the friction cambered surface I901 in a normal state, after the force of an operator for spanner 12 to be pulled exceeds the friction force between the limiting cambered surface 401 and the friction cambered surface I901, the spanner 4 can relatively rotate with the pressing plate 7, and the limiting cambered surface 401 at the end part of the spanner 4 can be separated from the friction cambered surface I901 and is in contact with the friction cambered surface II 902;
the clamping ring 1 is connected with the spanner 4 through the right clamping plate 3 in a bolt connection mode.
The T-shaped top piece 14 comprises a circular top plate 141 and a connecting ejector rod 142, and the circular top plate 141 and the connecting ejector rod 142 are integrally formed; the circular top plate 141 is closely contacted with one end of the spring, and the connecting ejector rod 142 is contacted and connected with a pit arranged at the end of the adjusting screw 18. The T-shaped top piece 14 is tightly contacted with the adjusting screw 18, and the pressure of the adjusting screw 18 is transmitted to the top seat 11, so that the top piece 10 is tightly contacted with the eccentric pressing block 9;
the concave pit matched with the adjusting screw 18 is arranged on the T-shaped top piece 14, so that the connection between the T-shaped top piece 14 and the adjusting screw 18 is more stable;
the diameter of the circular top plate 141 is matched with the inner diameter of the spanner tube 12, so that the circular top plate 141 is more stable when the inner cavity of the spanner tube 12 moves.
A rotating shaft is arranged between the end parts of the two pressing plates 7, and the spanner 4 is hinged with the two pressing plates 7 through the rotating shaft.
The clamping ring 1 has different dimensions for graphite electrode applications of different dimensions.
The fixing nut 25 is disposed on the adjusting screw 18, and the fixing nut 25 is in close contact with the blocking piece 23, and the fixing nut 25 is used for fixing the adjusting screw 18 which is already screwed in place, so as to prevent the adjusting screw 18 from moving when the operator operates.
Adjusting the penetration degree of the adjusting screw 18, the sheath 19 can also perform the same action along with the extending or unscrewing of the adjusting screw 18; the compression spring mechanism will also change after the adjustment screw 18 moves, the tightness of the spring 13 will change, and the force applied to the top sheet 10 will also change; the eccentric pressing block 9 is tightly contacted with the top piece 10 and the end part of the spanner 4, the top piece 10 and the spanner 4 prop against the eccentric pressing block 9 from two sides, so that the eccentric pressing block 9 does not rotate, and when the force of the spring 13 changes, the pressure between the eccentric pressing block 9 and the spanner 4 also changes; the magnitude of force for relatively rotating the spanner 4 and the spanner 12 can be controlled by adjusting the tightness degree of the adjusting screw 18, after an operator reaches the force preset by the spring 13, the spanner 4 and the spanner 12 relatively rotate, so that the relative position of the combination of the clamping ring 1 and the spanner 4 and the spanner 12 is changed, the contact between the friction cambered surface I901 and the limiting cambered surface 401 is separated, the limiting cambered surface 401 is in turn rubbed with the friction cambered surface II902, and in the process, a flicking sound is generated, the action of reminding the operator is played, and the operator stops applying larger force to prevent damage to the graphite electrode;
the eccentric pressing block 9 is provided with a friction arc surface I901 and a friction arc surface II902, and the spanner 4 is provided with a limiting arc surface 401 matched with the friction arc surface I901 and the friction arc surface II 902; under the normal state, the friction cambered surface I901 is contacted with the limiting cambered surface 401, pressure exists between the two cambered surfaces, the eccentric pressing block 9 is not rotated by the pressure, and after the pressure is increased, the friction force between the friction cambered surface I901 and the limiting cambered surface 401 is also increased; during electrode pulling operation, an operator starts to manually pull the pulling pipe 12 after the clamping ring 1 clamps the electrode, when the force preset by the torque adjusting mechanism is reached, the friction force between the friction cambered surface I901 and the limiting cambered surface 401 is exceeded by the force of the operator, the friction cambered surface I901 is separated from the limiting cambered surface 401, the eccentric pressing block 9 rotates, and then relative rotational displacement occurs between the pulling handle 4 and the pressing plate 7, and the elastic sound is accompanied, the operator stops applying larger force for pulling the pulling pipe 12, the graphite electrode is prevented from being loosened and damaged by larger force, and the situation that the electrode cannot be completely screwed by too small force of the operator can be prevented.
Claims (9)
1. A graphite electrode torque wrench is characterized in that: comprises a clamping ring (1), a spanner (4), a pressing plate (7), an eccentric pressing block (9), a spanner tube (12), a compression spring mechanism and a moment adjusting mechanism;
the clamping ring (1), the spanner (4), the pressing plate (7), the spanner tube (12) and the moment adjusting mechanism are sequentially connected;
the clamping ring (1) is a semicircular ring, and a left clamping plate (2) and a right clamping plate (3) are fixedly arranged at two ends of the semicircular ring through bolts respectively;
the clamping ring (1) is connected with one end of the spanner (4); the number of the pressing plates (7) is two, the two pressing plates (7) are arranged in parallel, an eccentric pressing block (9) is hinged between the two pressing plates (7), the spanner (4) is hinged with the two pressing plates (7), and one side of the eccentric pressing block (9) is tightly contacted with the other end of the spanner (4);
the compression spring mechanism is arranged in the spanner tube (12) and comprises a top sheet (10), a top seat (11), a spring (13), a T-shaped top piece (14), a gasket I (15) and a gasket II (16);
the top seat (11), the spring (13) and the T-shaped top piece (14) are sequentially connected, and the top seat (11) supports the top piece (10) to be in close contact with the other side of the eccentric pressing block (9);
a gasket I (15) and a gasket II (16) are sleeved on the T-shaped top piece (14);
the pipe pulling device is characterized in that the pipe pulling device is of a hollow pipe body structure, the inner wall of the pipe pulling device is provided with threads, and the pipe pulling device (12) is connected with the moment adjusting mechanism;
the moment adjusting mechanism comprises an adjusting nut (17), an adjusting screw (18), a sheath (19) and a fixing nut (25);
an adjusting nut (17) is sleeved on the adjusting screw (18), and a pit matched with the end part of the T-shaped top piece (14) is formed in the end part of the adjusting screw (18); threads are arranged on the inner wall and the outer wall of the adjusting nut (17), and the adjusting nut (17) is in threaded connection with the spanner tube (12);
the adjusting screw (18) is integrally formed and provided with a clamping ring (181);
the sheath (19) is sleeved on the spanner tube (12), and a baffle (23) is fixedly arranged at the end part of the sheath (19);
the fixing nut (25) is arranged on the adjusting screw (18), and the fixing nut (25) and the clamping ring (181) are matched with each other to clamp the baffle (23).
2. The graphite electrode torque wrench of claim 1, wherein: grooves matched with the top sheet (10) are formed in the top seat (11) and the eccentric pressing block (9).
3. The graphite electrode torque wrench of claim 1, wherein: through holes are regularly formed in the gasket I (15), pits matched with the through holes in position are formed in the gasket II (16), and steel balls (31) are arranged in the through holes; the surface of the T-shaped top piece (14) contacted with the gasket I (15) is also provided with a pit matched with the position of the through hole.
4. The graphite electrode torque wrench of claim 1, wherein: the eccentric pressing block (9) is provided with a friction cambered surface I (901) and a friction cambered surface II (902).
5. The graphite electrode torque wrench of claim 4, wherein: the spanner (4) is provided with a limiting cambered surface (401) matched with the friction cambered surface I (901) and the friction cambered surface II (902).
6. The graphite electrode torque wrench of claim 1, wherein: the clamping ring (1) is connected with the spanner (4) through the right clamping plate (3) in a bolt connection mode.
7. The graphite electrode torque wrench of claim 1, wherein: the T-shaped top piece (14) comprises a round top plate (141) and a connecting ejector rod (142), and the round top plate (141) and the connecting ejector rod (142) are integrally formed; the circular top plate (141) is tightly contacted with one end of the spring, and the connecting ejector rod (142) is contacted and connected with a pit arranged at the end part of the adjusting screw (18).
8. The graphite electrode torque wrench of claim 7, wherein: the diameter of the circular top plate (141) is matched with the inner diameter of the spanner tube (12).
9. The graphite electrode torque wrench of claim 1, wherein: a rotating shaft is arranged between the end parts of the two pressing plates (7), and the spanner (4) is hinged with the two pressing plates (7) through the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321311731.9U CN220030040U (en) | 2023-05-29 | 2023-05-29 | Graphite electrode torque wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321311731.9U CN220030040U (en) | 2023-05-29 | 2023-05-29 | Graphite electrode torque wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220030040U true CN220030040U (en) | 2023-11-17 |
Family
ID=88726534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321311731.9U Active CN220030040U (en) | 2023-05-29 | 2023-05-29 | Graphite electrode torque wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220030040U (en) |
-
2023
- 2023-05-29 CN CN202321311731.9U patent/CN220030040U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH10166198A (en) | Combining method for work and press used therefor | |
| CN111283612A (en) | Device for mechanical extrusion type flaring | |
| CN220030040U (en) | Graphite electrode torque wrench | |
| CN208381096U (en) | Stop nut | |
| CN106378743A (en) | Manual wrench | |
| CN213703284U (en) | Key puller | |
| CN208854518U (en) | A kind of tool of adjustable pipe clamp clamp force | |
| CN209110938U (en) | A kind of cladding ratchet spanner of tool elastification assembling | |
| WO2022052306A1 (en) | Quick-release tool applied to valve shaft of electric butterfly valve and coupling | |
| CN112621659A (en) | A high-efficient device of screwing up for quick-operation joint assembly | |
| CN206982541U (en) | One kind lock electrode torque wrench | |
| CN112757202A (en) | Electrician's spanner head of tight function of area clamp | |
| CN2559453Y (en) | Mechanical torque spanner | |
| CN212240804U (en) | Adjustable spanner | |
| CN110774205A (en) | Ball socket wrench | |
| CN219788180U (en) | Spanner for regulating pressure and flow of hydraulic system | |
| CN113478431B (en) | Large-scale shielding motor thrust disc nut mounting and locking process | |
| CN113400254B (en) | Thread decomposing device of self-locking mechanism | |
| CN210341905U (en) | Screw thread tightening machine fixture | |
| CN218935583U (en) | Slip fastening device | |
| CN214771684U (en) | Special spanner for secondary isolating switch shoe-shaped gold ingot screw of 10KV transformer | |
| CN210500076U (en) | Screw thread transmission jacking and loosening device for dismounting bearing locking sleeve in limited space | |
| CN216127174U (en) | Installation dismounting device of new forms of energy battery box steel bushing | |
| CN216371966U (en) | Torque adapter | |
| CN213319844U (en) | Graphite joint tightens spanner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |