CN210189326U

CN210189326U - Grinding device is used in tubular heat exchanger production

Info

Publication number: CN210189326U
Application number: CN201920678800.7U
Authority: CN
Inventors: Gaoming Ou; 欧高明; Yongfu Huang; 黄永福; Yan Liu; 刘艳; Jing Liu; 刘晶
Original assignee: Hunan Zhongda Mechanical And Electrical Co Ltd
Current assignee: Hunan Zhongda Mechanical And Electrical Co Ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-03-27
Anticipated expiration: 2029-05-13

Abstract

The utility model discloses a grinding device is used in tubular heat exchanger production, including adjustment mechanism, emery wheel and fixed establishment, the emery wheel passes through nut fixed mounting at the output shaft tip of motor, the shell of motor passes through L shaped plate fixed mounting in the lower part of three rectangular plate, the outside fixed mounting that the lower part of three rectangular plate is located the motor has U shaped plate one, adjustment mechanism includes U shaped plate two and U shaped plate three, bolt and U shaped plate one fixed connection are crossed to U shaped plate three, U shaped plate two crosses electric putter and rectangular plate one swing joint, the inside of U shaped plate three and U shaped plate two rotates respectively and installs gear two and gear one. The utility model discloses can adjust the angle of emery wheel of polishing conveniently, convenient operation adjusts the precision height, stability is good.

Description

Grinding device is used in tubular heat exchanger production

Technical Field

The utility model belongs to the technical field of tubular heat exchanger polishes, concretely relates to grinding device is used in tubular heat exchanger production.

Background

The tubular (also called shell-and-tube, shell-and-tube) heat exchanger is the most typical dividing wall type heat exchanger, and has a long history of industrial application and still dominates all heat exchangers so far. The tubular heat exchanger mainly comprises a shell, a tube bundle, a tube plate, an end enclosure and the like, wherein the shell is mostly circular, the interior of the shell is provided with the parallel tube bundle, and two ends of the tube bundle are fixed on the tube plate.

The tubular heat exchanger needs to be polished in all directions during production to achieve a good sealing effect, and the tubular heat exchanger is large in volume under general conditions and inconvenient to move during polishing operation, so that great difficulty is brought to polishing operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grinding device is used in tubular heat exchanger production, can freely adjust the angle of polishing of the emery wheel of polishing through gear engagement, only need rotatory turning handle can realize during the operation, adopt fixing device to fix the emery wheel in the assigned position simultaneously, high convenience in operation, reduce the loaded down with trivial details operation of removing tubular heat exchanger constantly, the intensity of labour has been reduced, and the emery wheel of polishing can carry out horizontal position's regulation through electric putter, under the cooperation of the universal wheel that sets up bottom the device and stabilizer blade, convenient and fast ground carries out the regulation of the operation of polishing and fixes, with the problem of proposition in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a grinding device for production of a tubular heat exchanger comprises an adjusting mechanism, a grinding wheel and a fixing mechanism, wherein the grinding wheel is fixedly installed at the end part of an output shaft of a motor through a nut, a shell of the motor is fixedly installed at the lower part of a third rectangular plate through an L-shaped plate, a first U-shaped plate is fixedly installed at the outer side of the motor at the lower part of the third rectangular plate, the adjusting mechanism comprises a second U-shaped plate and a third U-shaped plate, the third U-shaped plate is fixedly connected with the first U-shaped plate through a bolt, the second U-shaped plate is movably connected with the first rectangular plate through an electric push rod, a protruding structure arranged at the bottom of the second U-shaped plate is in clearance fit with a strip-shaped groove arranged at the central position of the first rectangular plate, a second gear and a first gear are rotatably installed inside the third U-shaped plate and inside the second U-shaped, the right side end of the gear shaft is fixedly provided with a circular plate through a nut, a rotating handle is fixedly welded at the position, deviating from the circle center, of the circular plate, and the fixing mechanism is movably arranged at the bottom of the right side of the U-shaped plate II.

Preferably, the outer side of the output shaft of the motor is sleeved with a first bearing sleeve, the inner wall of the first bearing sleeve is in clearance fit with the output shaft of the motor, the outer wall of the first bearing sleeve is in interference fit with a round hole in the center of a third rectangular plate, the third rectangular plate passes through a bolt and is fixedly connected with the first U-shaped plate, the two side ends of the third rectangular plate are respectively attached to the two side ends of the first U-shaped plate, the lower part of the third rectangular plate is fixedly connected with the L-shaped plate through a bolt, and the L-shaped plate is fixedly connected with the shell of the motor through a bolt.

Preferably, the second gear and the first gear have the same structure, gear shafts at two ends of the first gear are fixedly connected with the side walls of the second U-shaped plate through nuts respectively, a second bearing sleeve is sleeved on the outer side of the gear shaft, the inner wall of the second bearing sleeve is in clearance fit with the gear shaft, and the outer wall of the second bearing sleeve is in interference fit with round holes in two side walls of the U-shaped plate.

Preferably, the gear shaft penetrates through a circular hole in the side wall of the third U-shaped plate, a third bearing sleeve is installed in the circular hole in the side wall of the third U-shaped plate, the outer wall of the third bearing sleeve is in interference fit with the circular hole in the side wall of the third U-shaped plate, and the inner wall of the third bearing sleeve is in clearance fit with the gear shaft.

Preferably, the piston rod of the U-shaped plate II and the piston rod of the electric push rod are fixedly connected through a bolt, the bottom of the electric push rod is fixedly installed on the rectangular plate II through a bolt, the rectangular plate II is fixedly installed at the end part of the right side of the rectangular plate I through a bolt, and the corner positions of the bottom of the rectangular plate I are respectively provided with a universal wheel and a support leg.

Preferably, fixed establishment includes special threaded rod, the smooth end of special threaded rod passes U-shaped board two and corresponds the round hole clearance fit of position, the left lead screw of special threaded rod passes through nut and four fixed connection of rectangular plate, the top and the gear meshing of rectangular plate four, the outside cover of special threaded rod is equipped with the spring, the both ends of spring are through buckle difference fixed mounting in the lateral wall of U-shaped board two and the recess of special threaded rod right side stair structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the device is convenient to move and fix, is convenient for position adjustment when different positions are polished, reduces labor intensity, and saves time and labor;

2. the relative position in the horizontal direction can be freely adjusted, and meanwhile, the angle of the grinding wheel can be conveniently adjusted, so that the operation is convenient and quick;

3. the grinding angle of the grinding wheel is adjusted according to the gear meshing principle, and the adjusting precision is high and the stability is good.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a left side view of the present invention;

fig. 3 is a schematic view of the fixing mechanism of the present invention.

In the figure: 1. a first rectangular plate; 2. an adjustment mechanism; 21. a U-shaped plate II; 211. a first gear; 212. a second bearing sleeve; 213. a gear shaft; 214. a raised structure; 22. a U-shaped plate III; 221. a second gear; 222. a third bearing sleeve; 3. an electric push rod; 4. a second rectangular plate; 5. a U-shaped plate I; 6. a motor; 7. an L-shaped plate; 8. a third rectangular plate; 9. a grinding wheel; 10. a first bearing sleeve; 11. a universal wheel; 12. a support leg; 13. a fixing mechanism; 131. a special threaded rod; 132. a spring; 133. a fourth rectangular plate; 14. a circular plate; 15. the handle is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a grinding device for production of a tubular heat exchanger comprises an adjusting mechanism 2, a grinding wheel 9 and a fixing mechanism 13, wherein the grinding wheel 9 is fixedly installed at the end part of an output shaft of a motor 6 through a nut, a shell of the motor 6 is fixedly installed at the lower part of a rectangular plate III 8 through an L-shaped plate 7, a U-shaped plate III 5 is fixedly installed at the lower part of the rectangular plate III 8, which is positioned at the outer side of the motor 6, the adjusting mechanism 2 comprises a U-shaped plate II 21 and a U-shaped plate III 22, the U-shaped plate III 22 is fixedly connected with the U-shaped plate I5 through a bolt, the U-shaped plate II 21 is movably connected with a rectangular plate I1 through an electric push rod 3, a bulge structure 214 arranged at the bottom of the U-shaped plate II 21 is in clearance fit with a strip-shaped groove arranged at the central position of the rectangular plate I1, gears II 221 and I211 are respectively rotatably installed inside the U-shaped plate III 22 and, the right end of the gear shaft 213 is fixedly provided with a circular plate 14 through a nut, a rotating handle 15 is fixedly welded on the position of the circular plate 14 deviating from the center of a circle, and a fixing mechanism 13 is movably arranged at the right bottom of the U-shaped plate 21.

Specifically, the outer side of the output shaft of the motor 6 is sleeved with a first bearing sleeve 10, the inner wall of the first bearing sleeve 10 is in clearance fit with the output shaft of the motor 6, the outer wall of the first bearing sleeve 10 is in interference fit with a round hole in the center of a third rectangular plate 8, the third rectangular plate 8 is fixedly connected with the first U-shaped plate 5 through a bolt, the two side ends of the third rectangular plate 8 are respectively attached to the two side ends of the first U-shaped plate 5, the lower portion of the third rectangular plate 8 is fixedly connected with the L-shaped plate 7 through a bolt, and the L-shaped plate 7 is fixedly connected with the housing of the motor.

Specifically, the structure of the second gear 221 is the same as that of the first gear 211, so that the interchangeability of the second gear 221 and the first gear 211 is improved, the difficulty in installation is reduced, and meanwhile, the later maintenance cost is favorably reduced; gear shafts 213 at two ends of the first gear 211 are respectively fixedly connected with the side walls of the U-shaped plate II 21 through nuts, a second bearing sleeve 212 is sleeved outside the gear shaft 213, the inner wall of the second bearing sleeve 212 is in clearance fit with the gear shaft 213, and the outer wall of the second bearing sleeve 212 is in interference fit with round holes in the side walls of the U-shaped plate II 21; the stability of angle modulation is improved.

Specifically, the gear shaft 213 penetrates through a circular hole in the side wall of the three U-shaped plate 22, the three bearing sleeves 222 are installed in the circular hole in the side wall of the three U-shaped plate 22, the outer wall of the three bearing sleeves 222 is in interference fit with the circular hole in the side wall of the three U-shaped plate 22, and the inner wall of the three bearing sleeves 222 is in clearance fit with the gear shaft 213, so that the three U-shaped plate 22 is prevented from shaking in the two U-shaped plates 21 when the angle is adjusted, the stability of the angle adjustment is improved, and meanwhile, the adjustment accuracy is.

Concretely, the piston rod with electric putter 3 of two 21U-shaped boards passes through bolt fixed connection, bolt fixed mounting is passed through on two 4 of rectangular plate in electric putter 3's bottom, two 4 of rectangular plate pass through bolt fixed mounting in the right side tip of rectangular plate 1, be equipped with universal wheel 11 and stabilizer blade 12 on the bottom corner position of rectangular plate 1 respectively, be convenient for adjust with fixed in the position of the operation in-process of polishing, be of value to and reduce intensity of labour, be of value to simultaneously and enlarge application scope, applicable processing of polishing in the inconvenient product that removes of other bulky.

Specifically, the fixing mechanism 13 includes a special threaded rod 131, a smooth end of the special threaded rod 131 penetrates through the second U-shaped plate 21 to be in clearance fit with a round hole in a corresponding position, a lead screw on the left side of the special threaded rod 131 is fixedly connected with a fourth rectangular plate 133 through a nut, the top of the fourth rectangular plate 133 is meshed with a first gear 211, a spring 132 is sleeved outside the special threaded rod 131, and two ends of the spring 132 are fixedly installed in a side wall of the second U-shaped plate 21 and a groove of a step structure on the right side of the special threaded rod 131 through buckles respectively; the spring 132 can prevent the rectangular plate four 133 from shaking and interfering with the gear one 211 during angle adjustment.

The working principle is as follows: during the use, the supporting legs 12 are upwards suspended, so that the universal wheels 11 smoothly move on the ground, the device is moved to a specified position, then the U-shaped plate II 21 is pushed by the electric push rod 3 to adjust the horizontal position on the rectangular plate I1, the rotating handle 15 is shaken again, the rotating handle 15 rotates to drive the gear I211 to smoothly rotate in the U-shaped plate II 21, the gear I211 is meshed with the gear II 221, the angle of the U-shaped plate I5 is changed along with the rotation of the gear II 221, the angle of the grinding wheel 9 installed on the U-shaped plate I5 is adjusted, when the angle of the grinding wheel 9 reaches an ideal position, the step on the right side of the special threaded rod 131 is pushed, the top of the rectangular plate IV 133 is meshed with the gear at the bottom of the gear I211, and the positioning locking effect is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a grinding device is used in tubular heat exchanger production, includes adjustment mechanism (2), emery wheel (9) and fixed establishment (13), its characterized in that: the grinding wheel (9) is fixedly installed at the end part of an output shaft of the motor (6) through a nut, a shell of the motor (6) is fixedly installed at the lower part of the third rectangular plate (8) through an L-shaped plate (7), the lower part of the third rectangular plate (8) is located at the outer side of the motor (6) and is fixedly installed with a first U-shaped plate (5), the adjusting mechanism (2) comprises a second U-shaped plate (21) and a third U-shaped plate (22), the third U-shaped plate (22) is fixedly connected with the first U-shaped plate (5) through a bolt, the second U-shaped plate (21) is movably connected with the first rectangular plate (1) through an electric push rod (3), a protruding structure (214) arranged at the bottom of the second U-shaped plate (21) is in clearance fit with a strip-shaped groove arranged at the central position of the first rectangular plate (1), and gears (221) and a first gear (211) are respectively rotatably installed inside the third U-shaped, gear two (221) and gear one (211) meshing, gear shaft (213) and the U-shaped board three (22) of gear one (211) are rotated and are connected, there is circular slab (14) through nut fixed mounting in the right side tip of gear shaft (213), welded fastening has rotating handle (15) on the position of circular slab (14) skew centre of a circle, fixed establishment (13) movable mounting is in the right side bottom of U-shaped board two (21).

2. The grinding device for producing the tubular heat exchanger according to claim 1, wherein: the utility model discloses a motor, including motor (6), bearing housing (10) and rectangular plate (8), the output shaft outside cover of motor (6) is equipped with bearing housing (10), the inner wall of bearing housing (10) and the output shaft clearance fit of motor (6), the outer wall of bearing housing (10) and the central point of rectangular plate three (8) put round hole interference fit, rectangular plate three (8) are through bolt and U-shaped plate (5) fixed connection, the both sides tip laminating with the both sides tip of U-shaped plate (5) respectively of rectangular plate three (8), the lower part of rectangular plate three (8) passes through bolt fixed connection with L shaped plate (7), the shell fixed connection of bolt and motor (6) is passed through in L shaped plate (7).

3. The grinding device for producing the tubular heat exchanger according to claim 1, wherein: the structure of gear two (221) is the same as that of gear one (211), gear shaft (213) at two ends of gear one (211) are respectively through the lateral wall fixed connection of nut and U-shaped plate two (21), the outside cover of gear shaft (213) is equipped with bearing housing two (212), the inner wall and gear shaft (213) clearance fit of bearing housing two (212), the outer wall of bearing housing two (212) and the round hole interference fit on U-shaped plate two (21) lateral wall.

4. The grinding device for producing the tubular heat exchanger according to claim 1, wherein: the gear shaft (213) passes through the lateral wall round hole of the U-shaped plate III (22), the lateral wall round hole of the U-shaped plate III (22) is internally provided with the bearing sleeve III (222), the outer wall of the bearing sleeve III (222) is in interference fit with the lateral wall round hole of the U-shaped plate III (22), and the inner wall of the bearing sleeve III (222) is in clearance fit with the gear shaft (213).

5. The grinding device for producing the tubular heat exchanger according to claim 1, wherein: the piston rod of U-shaped plate two (21) and electric putter (3) passes through bolt fixed connection, bolt fixed mounting is passed through on rectangular plate two (4) in the bottom of electric putter (3), rectangular plate two (4) are through the right side tip of bolt fixed mounting in rectangular plate one (1), be equipped with universal wheel (11) and stabilizer blade (12) on the bottom corner position of rectangular plate one (1) respectively.

6. The grinding device for producing the tubular heat exchanger according to claim 1, wherein: fixing mechanism (13) are including special threaded rod (131), the smooth end of special threaded rod (131) passes U-shaped plate two (21) and the round hole clearance fit that corresponds the position, the left lead screw of special threaded rod (131) passes through nut and four (133) fixed connection of rectangular plate, the top and the gear (211) meshing of four (133) of rectangular plate, the outside cover of special threaded rod (131) is equipped with spring (132), the both ends of spring (132) are through buckle respectively fixed mounting in the lateral wall of U-shaped plate two (21) and the recess of special threaded rod (131) right side stair structure.