CN203541317U

CN203541317U - Hydraulic pipe expander for cooler

Info

Publication number: CN203541317U
Application number: CN201320753712.1U
Authority: CN
Inventors: 黄容; 李波
Original assignee: DEYANG YUANHENG MANUFACTURING Co Ltd
Current assignee: DEYANG YUANHENG MANUFACTURING Co Ltd
Priority date: 2013-11-26
Filing date: 2013-11-26
Publication date: 2014-04-16
Anticipated expiration: 2023-11-26

Abstract

The utility model discloses a hydraulic pipe expander for a cooler. The hydraulic pipe expander comprises a base, a hydraulic station and an electrical control system, a stand column is assembled on the base in a sliding mode, the stand column is controlled by the electrical control system to horizontally slide on the base, a transverse beam is assembled on the stand column in a sliding mode and controlled by the electrical control system to perpendicularly slide on the stand column, a workbench is arranged on the transverse beam, a clamping mechanism and a pushing expanding mechanism which correspond to each other and are matched with each other are arranged on the workbench, under the control of the electrical control system, hydraulic power of the hydraulic station is used by the clamping mechanism to press the cooler, and the hydraulic power of the hydraulic station is adopted by the pushing expanding mechanism to expand a copper pipe of the cooler. The hydraulic pipe expander has the advantages of being simple in structure, low in manufacturing cost, convenient to operate, high in reliability, high in practicability and the like, the diameter of the copper pipe can be reliably and effectively expanded on the premise that the structure of the cooler is not damaged, fins on the copper pipe or the cooler are tightly combined with the pipe wall of the copper pipe, and the heat exchange efficiency is improved.

Description

The hydraulic casing roller that cooler is used

Technical field

The utility model relates to electric tube expander, the hydraulic casing roller that specifically a kind of cooler is used.

Background technology

Cooler is using copper pipe as heat exchange element, and heat exchange oil flows in the housing of copper pipe outside, and heat-conducting medium flows in copper pipe, by the tube wall of copper pipe, realizes heat exchange.Conventional cooler is fin-tube type cooler, i.e. the copper pipe surface rolling of this cooler has screw-shaped fin, increases the heat exchange surface area of copper pipe by fin, with this, improves the heat exchanger effectiveness of cooler.Based on this, require the fin on cooler copper tubes must combine closely on the tube wall of copper pipe, can not become flexible (if loosening, certainly will there is the gap of circulation of air, and then affect heat exchanger effectiveness), thereby combining closely of cooler copper tubes and fin swollen and realizes the diameter of copper pipe by electric tube expander.At present, conventional electric tube expander structure, various informative, for example Chinese patent literature disclosed " vertical pipe expander " (publication number: CN 202516949, open day: on November 07th, 2012), " with the vertical pipe expander of balance weight mechanism " (publication number: 202516950, open day: on November 07th, 2012) etc., there is the defects such as complex structure, manufacturing cost are high, troublesome poeration in these electric tube expanders.

Summary of the invention

The purpose of this utility model is: for above-mentioned the deficiencies in the prior art, and the hydraulic casing roller that provides a kind of simple in structure, low cost of manufacture, easy to operate, reliable and practical cooler to use.

The technical solution adopted in the utility model is: the hydraulic casing roller that a kind of cooler is used, comprise base, Hydraulic Station and electric control system, on described base, slidable fit has column, this column carries out horizontal slip under the control of electric control system on base, on column, slidable fit has crossbeam, this crossbeam vertically slides under the control of electric control system on column, crossbeam is provided with workbench, on workbench, be provided with mutual correspondence, supporting clamp mechanism and Tui Zhang mechanism, under the control of electric control system, clamp mechanism utilizes the hydraulic power of Hydraulic Station to compress cooler, Tui Zhang mechanism utilizes the hydraulic power of Hydraulic Station to carry out swelling to the copper pipe of cooler.

Further, described Tui Zhang mechanism is mainly by gear-box, hydraulic motor, initiatively push boat, driven push boat and push rod form; In described gear-box, by bearing assembled in sequence, there are power shaft, jackshaft and output shaft, on described power shaft, be equipped with driving gear, hydraulic motor is connected with power shaft, hydraulic motor provides power for power shaft, driven gear and middle driving gear in the middle of being equipped with on described jackshaft, middle driven gear is meshed with the driving gear on power shaft, is equipped with the driven gear being meshed with the middle driving gear on jackshaft on described output shaft; Described active push boat is assemblied in output shaft and extends to the end of gear-box outside; Described driven push boat is assemblied on gear-box by rotating shaft, and, adaptation corresponding with active push boat; Described pushrod clip is held between active push boat and driven push boat, and the end of push rod is provided with the swollen head that can stretch in cooler copper tubes.

Further, described clamp mechanism is hydroelastic system chuck.

Further, described crossbeam is slidedly assemblied on column with the counterweight that the steel wire rope other end is connected by the steel wire rope in column top pulleys.

Further, described column is provided with the second linear bearing sliding for beam vertical.

Further, between described column top and crossbeam, be provided with hoist cylinder.

Further, described column is slidedly assemblied on base by the first linear bearing.

The beneficial effects of the utility model are: above-mentioned electric tube expander expands and designs for the copper pipe of cooler specially, it is compared with existing electric tube expander, there is simple in structure, low cost of manufacture, easy to operate, reliability is high, the feature such as practical, can not damage under the prerequisite of cooler construction, reliably, effectively copper pipe diameter is swollen, fin and copper pipe tube wall on cooler copper tubes are combined closely, improve heat exchanger effectiveness.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, the utility model is further described.

Fig. 1 is a kind of structural representation of the present utility model.

Fig. 2 is the side view of Fig. 1.

Fig. 3 is the structural representation of Tu1Zhong Tuizhang mechanism.

Code name implication in figure: 1-base; 2-column; 3-crossbeam; The 4-the first linear bearing; 5-steel wire rope; 6-hoist cylinder; 7-Tui Zhang mechanism; 8-clamp mechanism; 9-electric control system; The 10-the second linear bearing; 11-hydraulic motor; 12-driving gear; 13-middle driven gear; 14-middle driving gear; 15-power shaft; 16-driven push boat; 17-jackshaft; 18-output shaft; 19-gear-box; 20-driven gear; 21-initiatively push boat; 22-push rod; 23-rotating shaft; 24-counterweight.

The specific embodiment

Referring to Fig. 1 to Fig. 3: the utility model comprises base 1, Hydraulic Station and electric control system 9, and this electric control system 9 adopts existing published mature technology.

Base 1 adopts angle steel, channel-section steel, I-steel etc. to be welded, and in its welded top, has steel flat board.The top of base 1 is alongst provided with secondary first linear bearing 4, by the first linear bearing 4 slidable fit, has column 2, and column 2 carries out horizontal slip at base 1 top under the control of electric control system 9.Column 2 adopts angle steel, channel-section steel, I-steel etc. to be welded, and is vertically provided with secondary second linear bearing 10 in the front of column 2; At column 2 tops, be provided with slip, on pulley, hang with steel wire rope 5; At the top of column 2, be equipped with hoist cylinder 6; Column has crossbeam 3 by the second linear bearing 10, steel wire rope 5 and hoist cylinder 6 slidable fit, steel wire rope 5 is provided with counterweight 24 away from one end of crossbeam 3, by counterweight 24, make crossbeam 3 keep balance on column 2, the other end of hoist cylinder 6 is assemblied on crossbeam 3, be that hoist cylinder 6 is between column 2 tops and crossbeam 3, under the control of electric control system 9, hoist cylinder 6 drives crossbeam 3 vertically to slide on column 2 along the second linear bearing 10.Crossbeam 3 adopts angle steel, channel-section steel, I-steel etc. to be welded, the end face of crossbeam 3 is provided with the workbench that cooler copper tubes is dilated, on workbench, be provided with mutual correspondence, supporting clamp mechanism 8 and Tui Zhang mechanism 7, under electric control system 9 is controlled, clamp mechanism 8 utilizes the hydraulic power of Hydraulic Station to compress cooler, and Tui Zhang mechanism 7 utilizes the hydraulic power of Hydraulic Station to carry out swelling to the copper pipe of cooler.

Clamp mechanism 8 is existing hydroelastic system chuck, mainly base, hydraulic jack, lever, casing etc., consists of.The base of clamp mechanism 8 assembles on the workbench of crossbeam 3 by tooth bar, by tooth bar, can on workbench, carry out the front and back adjustment of clip position.Hydraulic jack is fixed on the base of clamp mechanism 8, its piston rod correspondence is below unsettled lever, the support arm of lever and casing is hinged, and the lever end of casing top is provided with pressure head, and lever is near being provided with extension spring between a side of hydraulic jack and the base of clamp mechanism 8.Casing is provided with collet body, is provided with successively pull bar, backstay, spring clip first-class in the main shaft of casing and collet body, is set with disk spring, stage clip etc. on pull bar.Its course of work is, electric control system 9 is given information of hydraulic jack, the lever of the piston rod jack-up top of hydraulic jack, the pressure head of the lever other end is pushed down the pull bar in casing, disk spring is compressed, the collet spinning together with pull bar travels forward together with pull bar, collet clamps the cooler on crossbeam 3 workbench, in the time of need to unclamping cooler, electric control system 9 is given information of hydraulic jack, the piston rod of hydraulic jack resets, under the effect of extension spring, lever resets, effect lower link and collet at disk spring and stage clip reset.

Tui Zhang mechanism 7 mainly consists of gear-box 19, hydraulic motor 11, active push boat 21, driven push boat 16 and push rod 22.In gear-box 19, by bearing assembled in sequence, there are power shaft 15, jackshaft 17 and output shaft 18.On power shaft 15, be equipped with driving gear 12, hydraulic motor 11 is connected with power shaft 15, and hydraulic motor 11 provides power for power shaft 15.Driven gear 13 and middle driving gear 14 in the middle of being equipped with on jackshaft 7, middle driven gear 13 is meshed with the driving gear 12 on power shaft 15.On output shaft 18, be equipped with the driven gear 20 being meshed with the middle driving gear 14 on jackshaft 17.Initiatively push boat 21 is assemblied in output shaft 18 and extends to the end of gear-box 19 outsides, and initiatively the circumference of push boat 21 is the indent arcuate structure that is matched with push rod 22 profiles.Driven push boat 16 is assemblied on gear-box 19 by rotating shaft 23, and, adaptation corresponding with active push boat 21, and the circumference of driven push boat 16 is the indent arcuate structure that is matched with push rod 22 profiles.Push rod 22 is clamped between active push boat 21 and driven push boat 16, and the end of push rod 22 is provided with the swollen head that can stretch in cooler copper tubes.Its course of work is, electric control system 9 is given 11 1 information of hydraulic motor, hydraulic motor 11 is by the driving gear 12 on power shaft 15 and the middle driven gear 13 on jackshaft 17, drive jackshaft 17 to rotate, simultaneously, jackshaft 17 drives output shaft 18 to rotate by the driven gear 20 on middle driving gear 14 and output shaft 18, and output shaft 18 drives initiatively push boat 21 to rotate, initiatively push boat 21 relies on frictional force to drive reliable, stable the pushing ahead of push rod 22, swollen head on push rod 22 is entered in the copper pipe of cooler and carry out swelling processing.

Claims

1. the hydraulic casing roller that cooler is used, comprise base (1), Hydraulic Station and electric control system (9), it is characterized in that: the upper slidable fit of described base (1) has column (2), this column (2) carries out horizontal slip under the control of electric control system (9) on base (1), in the upper slidable fit of column (2), there is crossbeam (3), this crossbeam (3) vertically slides under the control of electric control system (9) on column (2), crossbeam (3) is provided with workbench, on workbench, be provided with mutual correspondence, supporting clamp mechanism (8) and Tui Zhang mechanism (7), under the control of electric control system (9), clamp mechanism (8) utilizes the hydraulic power of Hydraulic Station to compress cooler, Tui Zhang mechanism (7) utilizes the hydraulic power of Hydraulic Station to carry out swelling to the copper pipe of cooler.

2. the hydraulic casing roller that cooler is used according to claim 1, is characterized in that: described Tui Zhang mechanism (7) mainly consists of gear-box (19), hydraulic motor (11), active push boat (21), driven push boat (16) and push rod (22), in described gear-box (19), by bearing assembled in sequence, there is power shaft (15), jackshaft (17) and output shaft (18), on described power shaft (15), be equipped with driving gear (12), hydraulic motor (11) is connected with power shaft (15), hydraulic motor (11) provides power for power shaft (15), driven gear (13) and middle driving gear (14) in the middle of being equipped with on described jackshaft (7), middle driven gear (13) is meshed with the driving gear (12) on power shaft (15), on described output shaft (18), be equipped with the driven gear (20) being meshed with the middle driving gear (14) on jackshaft (17), described active push boat (21) is assemblied in output shaft (18) and extends to the outside end of gear-box (19), it is upper that described driven push boat (16) is assemblied in gear-box (19) by rotating shaft (23), and corresponding, adaptive with active push boat (21), described push rod (22) is clamped between active push boat (21) and driven push boat (16), and the end of push rod (22) is provided with the swollen head that can stretch in cooler copper tubes.

3. the hydraulic casing roller that cooler is used according to claim 1, is characterized in that: described clamp mechanism (8) is hydroelastic system chuck.

4. the hydraulic casing roller that cooler is used according to claim 1, is characterized in that: described crossbeam (3) is slidedly assemblied on column (2) with the counterweight (24) that steel wire rope (5) other end is connected by the steel wire rope (5) in column (2) top pulleys.

5. the hydraulic casing roller that cooler is used according to claim 4, is characterized in that: described column (2) is provided with for vertical the second linear bearing (10) sliding of crossbeam (3).

6. the hydraulic casing roller of using according to cooler described in claim 4 or 5, is characterized in that: between described column (2) top and crossbeam (3), be provided with hoist cylinder (6).

7. the hydraulic casing roller that cooler is used according to claim 1, is characterized in that: described column (2) is slidedly assemblied on base (1) by the first linear bearing (4).