阅读说明：本技术 一种对7m焦炉炉门在线修复卡具 (Clamp for repairing 7m coke oven door on line ) 是由 王兆军 银刚 李小忠 张平存 原晓伟 杨广亮 孔德文 庞国强 赵志祥 于 2020-05-20 设计创作，主要内容包括：本发明涉及一种对7m焦炉炉门在线修复卡具,属于焦炉设备检修技术领域。包括夹具体Ⅰ(1)、千斤顶底座(2)、调整丝杠Ⅰ(3)、丝母Ⅰ(4)、机械手(5),所述夹具体Ⅰ(1)为钢板焊接的几字形结构,在几字形的最凹处平台上,设置有千斤顶底座(2),丝母Ⅰ(4)小头穿过调整孔(31)后被锁母Ⅰ(24)锁止固定,调整丝杠Ⅰ(3)与丝母Ⅰ(4)通过梯形螺纹配合,在调整孔(31)的两侧,焊接固定有吊装板,机械手装配在夹具体Ⅰ(1)的两端。本发明可以不必开启炉门,不影响生产正常进行的情况下对炉门挡板进行调整或更换,对炉门挡板固定螺栓进行紧固或更换,调整压门闩配合精度,兼具安全性、专用性和高效性。(The invention relates to a fixture for repairing a 7m coke oven door on line, belonging to the technical field of coke oven equipment maintenance. Including the anchor clamps body I (1), jack base (2), adjustment lead screw I (3), screw I (4), manipulator (5), anchor clamps body I (1) is steel sheet welded a few font structures, on the most concave position platform of a few fonts, is provided with jack base (2), and screw I (4) microcephaly is fixed by lock I (24) locking after passing adjustment hole (31), and adjustment lead screw I (3) pass through trapezoidal thread fit with screw I (4), and in the both sides of adjustment hole (31), welded fastening has the hoist and mount board, and the manipulator assembly is at the both ends of the anchor clamps body I (1). The invention can adjust or replace the baffle of the furnace door without opening the furnace door and influencing the normal production, fasten or replace the fixing bolt of the baffle of the furnace door, adjust the matching precision of the pressing latch, and has safety, specificity and high efficiency.)

1. A7 m coke oven door online maintenance fixture is characterized by comprising a fixture body I (1), a jack base (2), an adjusting screw I (3), a nut I (4), a mechanical arm (5), a bolt (19), a nut (20), a flat pad (21) and a hoisting plate (22), wherein the fixture body I (1) is of a steel plate welded n-shaped structure and is bilaterally symmetrical, a reinforcing rib plate (32) is welded on the middle vertical surface of the fixture body I (1), the jack base (2) is arranged on the most concave platform in the n-shaped shape, adjusting holes (31) are formed in the rib plates (32) on two sides of the jack base (2), the small end of the nut I (4) penetrates through the adjusting holes (31) and is locked and fixed by the nut I (24), the adjusting screw I (3) is matched with the nut I (4) through a trapezoidal thread, two ends of the adjusting screw I (3) are respectively of a spherical top and a tetragonal body, four unthreaded holes (43) are symmetrically arranged at two ends of the clamp body I (1), hoisting plates (22) are welded and fixed at two sides of the adjusting hole (31),

the manipulator (5) comprises a pressure head (6), a connecting rod (7), an adjusting screw II (8), a screw II (9), a locking nut II (10), a connecting rod seat (11), a pin shaft I (12), a clamp body II (13), a pin shaft II (14), a locking end cover (15), a split clamping ring (17), a shaft seat (34) and a shaft hole (35), wherein the steel structure welded by the clamp body II (13) and a steel plate is formed by welding two end face plates (33) and a rib plate, the shaft seat (34) is welded in the middle, a blind hole (35) is formed in the shaft seat (34), adjusting grooves (36) and the pin shaft hole I (37) are symmetrically arranged on two sides of the end face plate (33), an internal thread is lathed on the top of the blind hole (35), the connecting rod seat (11) is a shaft seat with a through hole in the middle, lug plates (38) are symmetrically arranged on two sides of, the pressure head (6) is of an arc structure, one end of the pressure head is provided with a jaw (40), and the other end of the pressure head is provided with a pin shaft hole(42) The middle pin shaft hole III (41), one end ball head and one end tetragonal body of the adjusting screw II (8), a T-shaped external thread in the middle, a circumferential clamping groove (44) is turned on the ball head side, the screw II (9) is of a trapezoidal internal thread structure with a unilateral flange, a key groove is turned on the outer surface in the axial direction, the screw II (9) is locked by the screw II (10) after passing through a through hole of a connecting rod seat (11) without the flange, the outer surface of the screw II (9) is in key fit with the connecting rod seat (11), the adjusting screw II (8) is in internal thread fit with the screw II (9), the clamping ring split body (17) is of a semicircular ring structure, the two split clamping rings (17) are matched with the clamping groove (44) and extend into the blind hole (35) for assembly, the locking end cover (15) is of an annular structure, the middle hole is matched with the bottom shaft of the adjusting screw II (8), the external thread is matched with the internal thread on the top of the blind hole (35), and the, the middle hole of the locking end cover (15) and the bottom shaft of the adjusting screw II (8) are assembled in a clearance fit mode, the two split snap rings (17) are matched with the clamping grooves (44) and are axially compressed by the locking end cover (15), the adjusting screw II (8) is axially positioned, and the jaw (40) is provided with a clamping groove for clamping the adjusting screw II (8)Pin shaft hole III (41) and pin shaft hole I (37) are assembled together through pin shaft III (18), realize keeping silent (40) and rotate around pin shaft III (18), shaft hole III (42) and connecting rod (7) are assembled together through pin shaft II (14), realize that connecting rod (7) drive keep silent (40) and rotate around pin shaft III (18), bolt (19) pass unthreaded hole (43), adjustment groove (36), through nut (20), the fastening of flat pad (21), cooperate the assembly at the both ends of the anchor clamps body I (1) with manipulator (5).

2. The on-line maintenance fixture for the coke oven door of the 7m coke oven as claimed in claim 1, wherein a check ring is lathed on the outer surface of one end of the screw I (4), an external thread is lathed on the other end, and a flat key groove is lathed on the outer surface in the axial direction; the internal thread of lock I (24) and the tip external thread phase-match of screw I (4), lock I (24) and screw I (4) assembly.

3. The on-line maintenance fixture for the coke oven door of the 7m coke oven according to claim 1, characterized in that a key groove is axially arranged on the outer surface of the nut I (4), a key groove is axially arranged on the inner surface of the adjusting hole (31), and a flat key I (23) is assembled between the nut I and the inner surface of the adjusting hole (31) to realize the rotational positioning of the nut I.

4. The on-line maintenance fixture for the coke oven door of claim 1, wherein the distance between the clamping groove (44) on the adjusting screw II (8) and the spherical body is 18-32 mm, and the width of the clamping groove (44) is 8-12 mm.

5. The on-line maintenance fixture for the coke oven door of the 7m coke oven as claimed in claim 1, characterized in that the locking nut II (10) realizes the axial positioning of the nut II (9) on the connecting rod seat, and the flat key II (16) realizes the rotary positioning of the nut II (9) on the connecting rod seat.

6. The on-line service fixture for coke oven doors of claim 1, wherein the lifting plate (22) is provided with lifting holes (45).

7. The 7m coke oven door on-line service fixture as claimed in claim 1, characterized in that the adjustment groove (36) has a length of 50 to 80 mm and a width of 20 to 28 mm.

8. The coke oven door on-line servicing fixture of claim 1, characterized in that the adjustment holes (31) are elliptical holes.

Technical Field

The invention relates to a fixture for repairing a 7m coke oven door on line, belonging to the technical field of coke oven equipment maintenance.

Background

In the coke production, the furnace doors are arranged at two sides of the coking chamber, the smelting condition of coke is ensured, and simultaneously, after the coke is mature, the coke pusher and the coke guide respectively open the furnace doors and then the coke pusher pushes the coke out to the coke tank. Each 7m coke oven will typically have sixty holes, one hundred more doors, and each oven has one coke oven door opened and closed. The smelting temperature of the coke oven is about 1000 ℃, the high temperature causes the phenomena of thermal deformation of the oven door and the oven door frame, loosening of fixing bolts of the oven door baffle and the like, the alignment precision is influenced when the big car opens and closes the oven door, the closing position of the oven door is deviated, the matching size of the oven door baffle and the pressing door bolt is too small or too large, and even serious production equipment accidents such as the disengagement of the pressing door bolt or the tearing of the oven door baffle are caused. In the process of overhauling and maintaining the furnace door and the assembly component thereof, aiming at the treatment of the hidden danger of the equipment, workers can not overhaul the furnace door, the furnace door frame and nearby equipment when the furnace door is opened due to high-temperature baking, the furnace door of the coke pusher can only be conveyed to a furnace door repair station for overhauling, and the coke pusher is limited by space limitation, and the workers can not cooperate with a furnace door baffle assembled on the furnace door frame for overhauling. Therefore, the fixture for repairing the oven door of the coke oven with the length of 7m on line needs to be designed, the oven door baffle can be replaced or overhauled on line by matching with an oven door service car under the condition of not influencing production, and the fixture is convenient to operate, reliable and efficient.

Disclosure of the invention

The invention aims to solve the technical problem of designing an on-line repair clamp for a 7m coke oven door, realizing the on-line replacement or maintenance of the door baffle plate by matching with a door service vehicle under the condition of not influencing production, along with convenient operation, reliability and high efficiency.

The technical scheme of the invention is as follows: a7 m coke oven door online maintenance fixture is characterized by comprising a fixture body I, a jack base, an adjusting screw I, a mechanical arm, a bolt, a nut, a flat pad and a hoisting plate, wherein the fixture body I is of a steel plate welded n-shaped structure and is bilaterally symmetrical, a reinforcing rib plate is welded on a vertical plane of the fixture body I, the jack base is arranged on a most concave platform in the n shape, adjusting holes are formed in the rib plates on two sides of the jack base, the small end of the screw I passes through the adjusting holes and then is locked and fixed by the screw I, the adjusting screw I is matched with the screw I through trapezoidal threads, two ends of the adjusting screw I are respectively a ball top and a square body, four unthreaded holes are symmetrically formed in two ends of the fixture body I, and the hoisting plate is welded and fixed on two sides of the adjusting holes;

the manipulator includes pressure head, connecting rod, adjustment lead screw II, lock nut II, connecting rod seat, round pin axle I, anchor clamps body II, round pin axle II, locking end cover, components of a whole that can function independently snap ring, axle bed, shaft hole, the steel sheet welded steel construction of anchor clamps body II is formed by two end panels and gusset welding, and the middle welding has the axle bed, is provided with the blind hole in the axle bed, is provided with adjustment groove and round pin shaft hole I at end panel bilateral symmetry, the internal thread is made by car at blind hole top, the connecting rod seat is the axle bed that the centre is provided with the through-hole, and axle bed bilateral symmetry is provided with the otic placode, is provided with round pin shaft hole II on the otic placode, the pressure

The adjusting screw II is of a trapezoidal internal thread structure with a unilateral flange, a key groove is axially turned on the outer surface, the screw II is locked by the screw II after passing through a through hole of a connecting rod seat without a flange side, the outer surface of the screw II is matched with a key of the connecting rod seat, the adjusting screw II is assembled with the screw II in an internal thread fit manner, the split snap ring is of a semicircular ring structure, two split snap rings are matched with the key groove and extend into the blind hole for assembly, the locking end cover is of an annular structure, a middle hole is matched with a shaft at the bottom of the adjusting screw II, an external thread is matched with the internal thread at the top of the blind hole, the locking end cover is screwed into the top thread of the blind hole through external thread fit, the middle hole of the locking end cover is assembled with the shaft at the bottom of the adjusting screw II in a clearance fit manner, the two split snap rings are matched with the key groove and are axially compressed, realize II axial positioning of adjustment lead screw, the round pin shaft hole III on keeping silent is in the same place through III assemblings on the round pin axle hole I on the round pin axle, realizes keeping silent and rotates around round pin axle III, and axle hole III is in the same place through II assemblings on the round pin axle with the connecting rod, realizes that the connecting rod drives to keep silent and rotates around round pin axle III, and the bolt passes unthreaded hole, adjustment groove, through the fastening of nut, flat pad, with the manipulator cooperation assembly at the both ends of pressing from both sides specific I.

The outer surface of one end of the screw I is lathed with a check ring, the other end of the screw I is lathed with an external thread, and the outer surface of the screw I is axially lathed with a flat key groove; the internal thread of lock I and the tip external screw thread phase-match of screw I, lock I and the I assembly of screw.

A key groove is axially formed in the outer surface of the screw I, a key groove is axially formed in the inner surface of the adjusting hole, and the flat key I is assembled between the screw I and the inner surface of the adjusting hole to achieve rotary positioning of the screw I.

The distance between the clamping groove on the adjusting screw II and the spherical body is 18-32 mm, and the width of the clamping groove (44) is 8-12 mm.

The lock nut II realizes axial positioning of the screw nut II on the connecting rod seat, and rotary positioning of the screw nut II on the connecting rod seat is realized through the flat key II.

And the hoisting plate is provided with hoisting holes.

The length of the adjusting groove is 50-80 mm, and the width of the adjusting groove is 20-28 mm.

The adjusting hole is an elliptical hole.

The invention has the beneficial effects that: the invention utilizes the principle of mechanical arm, takes two adjacent furnace door frames of each group of furnace doors as supports, and simulates the door-taking mechanism to change the opening and closing state of the furnace door of the coke furnace, thereby realizing the adjustment of the closing state of the furnace door and the repair or adjustment of the position of the furnace door baffle plate for fixing the furnace door. The invention can adjust or replace the baffle of the furnace door without opening the furnace door and influencing the normal production, fasten or replace the fixing bolt of the baffle of the furnace door, adjust the matching precision of the pressing latch, and has safety, specificity and high efficiency. The invention realizes station movement by using the normally operated furnace door service vehicle in the implementation process, has reasonable maintenance space configuration and small and exquisite maintenance clamp, and has the outstanding advantages of easy operation, safety, convenience and low cost for workers.

The invention realizes the light weight design, the overall structure quality is kept within 50kg, and the change of the working position is convenient to realize by matching with a furnace door service vehicle. Secondly, the invention adopts a reinforcing structure, the pressure of the door bolt is 21KN, and the device can provide 50KN of opening pressure at most; and the matching clearance between the two ends of the door pressing bolt and the door stop plate can be finely adjusted by adjusting the screw rod I.

Drawings

FIG. 1 is a schematic view of the apparatus of the present invention;

FIG. 2 is a top view of the apparatus of the present invention;

FIG. 3 is a schematic view of the components of the apparatus of the present invention;

FIG. 4 is a schematic view of a robot part of the apparatus of the present invention;

FIG. 5 is a schematic view of the apparatus of the present invention in use;

FIG. 6 is a schematic view of the adjusting screw I of the device of the present invention;

FIG. 7 is a schematic view of a nut I of the apparatus of the present invention;

FIG. 8 is a half sectional view of the assembly of the adjustment screw I of the device of the present invention;

FIG. 9 is a half sectional view of a steel structure of a clamp body I of the device of the present invention;

FIG. 10 is a partial cross-sectional view of the robot of the apparatus of the present invention;

FIG. 11 is a schematic view of a nut II of the apparatus of the present invention;

figure 12 is a semi-sectional view of the robot of the apparatus of the present invention,

labeled as: the device comprises a clamp body I1, a jack base 2, an adjusting screw I3, a nut I4, a manipulator 5, a pressure head 6, a connecting rod 7, an adjusting screw II 8, a nut II 9, a lock nut II 10, a connecting rod seat 11, a pin shaft I12, a clamp body II 13, a pin shaft II 14, a locking end cover 15, a flat key II 16, a split snap ring 17, a pin shaft III 18, a bolt 19, a nut 20, a flat pad 21, a hoisting plate 22, a flat key I23, a lock nut I24, a furnace door baffle 25, a door pressing latch 26, a jack 27, an overhauling clamp 28, a coke oven door 29, a furnace door frame H-shaped steel 30, an adjusting hole 31, a rib plate 32, an end plate 33, a shaft seat 34, a blind hole 35, an adjusting groove 36, a pin shaft hole I37, an ear plate 38, a pin shaft hole II 39, a jaw 40, a42. Unthreaded hole 43, draw-in groove 44, lifting eye 45.

Detailed description of the preferred embodiments

The invention is described in further detail below with reference to the figures and the detailed description.