CN213856514U

CN213856514U - Heat exchange tube overflow launder processingequipment

Info

Publication number: CN213856514U
Application number: CN202022166785.3U
Authority: CN
Inventors: 侯安刚
Original assignee: Weihai Shidao Heavy Industry Co ltd
Current assignee: Weihai Shidao Heavy Industry Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-08-03
Anticipated expiration: 2030-09-28

Abstract

The utility model relates to a heat exchange tube overflow launder processingequipment, including fixed heat exchange tube and drive the even pivoted fixing device of heat exchange tube, follow heat exchange tube radial movement and with the drift of overflow launder adaptation, and the drive the first drive arrangement that the drift removed. The utility model adopts the arrangement of the fixing device, the first driving device and the punch head to punch the overflow groove by a punching method, thereby improving the processing efficiency of the overflow groove on the heat exchange tube; through the arrangement of the uniformly distributed ratchets, the heat exchange tube is ensured to rotate uniformly, and the positioning of the overflow groove is ensured; the function that the pawl limits the rotation of the ratchet wheel is realized through the arrangement of the second bolt; the pawl is convenient to reset through the arrangement of the first spring; through the arrangement that the sliding block is detachably connected with the punch, the punch can be conveniently replaced, and the U-shaped, V-shaped and rectangular overflow chutes can be conveniently punched.

Description

Heat exchange tube overflow launder processingequipment

Technical Field

The utility model relates to a machine tooling field especially relates to overflow launder processing technology field, specifically indicates a heat exchange tube overflow launder processingequipment.

Background

In the pressure vessel heat exchanger product, some heat exchange tubes need to be processed with overflow grooves. Four overflow grooves which are uniformly distributed along the circumferential direction are processed on the circumferential surface of the existing heat exchange tube, the overflow grooves penetrate through the tube wall of the heat exchange tube and are communicated with the tube cavity of the heat exchange tube, the overflow grooves extend to the end surface of the heat exchange tube along the axis of the heat exchange tube, the overflow grooves are U-shaped, V-shaped and rectangular, and the efficiency of the existing traditional machining method is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provide a heat exchange tube overflow launder processingequipment, improve the machining efficiency of overflow launder on the heat exchange tube.

The utility model discloses a following technical scheme realizes, a heat exchange tube overflow launder processingequipment, including fixed heat exchange tube and the even pivoted fixing device of drive heat exchange tube, follow heat exchange tube radial movement and with the drift of overflow launder adaptation, and the drive the drift runs through the first drive arrangement of heat exchange tube.

The utility model discloses when using, at first fix the heat exchange tube on fixing device, and make one section of heat exchange tube be located the below of drift, the first drive arrangement of drive drives the drift downshifting, thereby the overflow launder is dashed out, then the first drive arrangement of drive drives the drift rebound, then rotate fixing device and make the heat exchange tube rotate 90, then carry out the punching of second overflow launder again, wait for the second overflow launder to dash and accomplish the back, rotate fixing device with the same direction once more, make the heat exchange tube rotate 90, analogize in proper order and go on punching four overflow launders.

Preferably, the fixing device comprises a first outer sleeve sleeved on the outer side of the heat exchange tube and a ratchet fixedly connected to the first outer sleeve, the first outer sleeve is in threaded connection with a first bolt jacking against the heat exchange tube, the first outer sleeve is connected to the first support in a shaft mode, four ratchets evenly distributed along the circumferential direction of the ratchet are arranged on the circumferential surface of the ratchet, and a pawl matched with the ratchets is arranged on the first support.

When the heat exchange tube is used, the heat exchange tube is inserted into the first outer sleeve, then the first bolt is rotated to fix the heat exchange tube, when the heat exchange tube is punched, the top of the first ratchet is placed on the pawl, when the heat exchange tube needs to rotate, the first outer sleeve is rotated to drive the ratchet wheel to rotate, after the ratchet wheel rotates for 90 degrees, the ratchet wheel rotates reversely, the second ratchet wheel is pressed against the pawl, and the ratchets are uniformly distributed, so that the heat exchange tube can be determined to rotate uniformly, and the positioning of the overflow groove is ensured.

Preferably, the pawl is coupled to the first bracket through a hinge shaft, the upper end and the lower end of the pawl rotate in opposite directions, the top surface of the pawl is connected to the first bracket through a first spring extending in the height direction, the first bracket is further connected to a second bolt which is pushed against the pawl through a thread, and a contact point of the second bolt and the pawl is located between the hinge shaft and the first spring.

When the heat exchange pipe is used, when the heat exchange pipe is rotated, the ratchet drives the upper end of the pawl to rotate in the direction away from the second bolt, drives the lower end of the ratchet to rotate in the direction close to the second bolt, stretches the first spring, and drives the pawl to reset under the tension of the first spring after the ratchet rotates; when the ratchet wheel rotates reversely, the ratchet wheel pushes against the pawl, the upper end of the pawl rotates towards the second bolt, the second bolt pushes against the pawl to limit the rotation of the ratchet wheel, and therefore the rotation of the heat exchange tube is limited.

Preferably, the heat exchanger further comprises a second support connected with the first support through a bolt, the second support is in threaded connection with a second outer sleeve coaxial with the first outer sleeve, a second through hole matched with the heat exchange pipeline and used for inserting the heat exchange pipeline is formed in the second outer sleeve, a groove communicated with the second through hole and used for penetrating through a punch is formed in the top surface of the second outer sleeve, and the punch is connected to the second support in a sliding mode.

According to the preferred scheme, the first support and the second support are convenient to disassemble due to the arrangement of bolt connection of the first support and the second support; by the provision of the recess, a punch is provided for passage.

Preferably, the second bracket is slidably connected with a sliding block which slides along the height direction, and the side surface of the sliding block, which is close to the first bracket, is detachably connected with the punch. According to the preferable scheme, the sliding block is detachably connected with the punch, so that the punch is convenient to replace, and the U-shaped, V-shaped and rectangular overflow chutes are convenient to punch.

Preferably, the first driving means includes a second driving means located above the slider and pushing the slider to move downward, and the slider and the second bracket are connected by a second spring extending in the height direction.

This preferred scheme is when using, and second drive arrangement promotes the slider and moves down, makes the drift punch to compress the second spring, when second drive arrangement's the end that stretches out contracts, the second spring drives the slider and resets, through the setting of second spring, drives the slider and resets, has avoided being connected of second drive arrangement with the slider, thereby makes things convenient for the dismantlement of slider, also makes things convenient for simultaneously and second drive arrangement's selection and use.

Preferably, one end of the second through hole, which is far away from the first support, is propped against the sliding block, and an adaptive groove for the punch to move along the height direction is formed in the side surface, which is close to the sliding block, of the second support. According to the optimal scheme, the slide block is installed under the guiding effect by the arrangement of the adaptive groove; while also providing a path for movement of the punch.

The utility model has the advantages that: through the arrangement of the fixing device, the first driving device and the punch, the overflow groove is punched by a punching method, so that the processing efficiency of the overflow groove on the heat exchange tube is improved; through the arrangement of the uniformly distributed ratchets, the heat exchange tube is ensured to rotate uniformly, and the positioning of the overflow groove is ensured; the function that the pawl limits the rotation of the ratchet wheel is realized through the arrangement of the second bolt; the pawl is convenient to reset through the arrangement of the first spring; through the arrangement that the sliding block is detachably connected with the punch, the punch can be conveniently replaced, and the U-shaped, V-shaped and rectangular overflow chutes can be conveniently punched.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic cross-sectional view of a portion of FIG. 2 taken along line A-A;

FIG. 4 is a right-side view of the structure of the present invention;

FIG. 5 is a schematic view of the pawl;

FIG. 6 is a schematic top view of a second enclosure;

shown in the figure:

1. the device comprises a first support, a second support, a hand wheel, a second bolt, a sliding block, a second spring, a ratchet wheel, a groove, a punch, a first spring, a ratchet wheel, a groove, a punch, a first spring, a first outer sleeve, a second bolt, a sliding block, a second spring, a ratchet wheel, a groove, a punch, a second spring, a first outer sleeve, a second outer sleeve, a pawl and a ratchet.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

Referring to the attached drawings 1-6, the utility model relates to a heat exchange tube overflow launder processingequipment, it has four overflow launders of evenly arranging along circumference to process on the heat exchange tube periphery, the overflow launder runs through the pipe wall of heat exchange tube and the lumen intercommunication of heat exchange tube, the overflow launder extends to the terminal surface of heat exchange tube along the axis of heat exchange tube, the overflow launder becomes U type, V type, rectangle.

The utility model discloses a bolted connection's first support 1 and second support 2, the coupling has the first overcoat 11 that runs through between first on the first support 1, wear to be equipped with the heat exchange tube with 11 inner chamber adaptations of first overcoat in the first overcoat 11, the axis of heat exchange tube and the axis collineation of first overcoat 11, threaded connection has along the first overcoat 11 radial extension and pushes up the first bolt on the heat exchange tube periphery on the periphery of first overcoat 11, the one end rigid coupling that the heat exchange tube was kept away from to first bolt has hand wheel 3.

The first outer sleeve 11 is fixedly connected with a ratchet wheel 7 positioned between the first support 1 and the second support 2, four ratchet teeth evenly distributed along the circumferential direction of the ratchet wheel 7 are arranged on the circumferential surface of the ratchet wheel 7, a limiting ring is further in threaded connection with the circumferential surface of the first outer sleeve 11, and the ratchet wheel 7 is positioned between the limiting ring and the first support 1.

The first support 1 is provided with a pawl 13 which is positioned above the ratchet 7 and extends to the front of two adjacent ratchets, the pawl 13 is connected to the first support 1 through a hinge shaft in a shaft mode, the axis of the hinge shaft is collinear with the axis of the first outer sleeve 11, the hinge shaft is positioned in the middle of the height direction of the ratchet 7, the upper end and the lower end of the pawl 13 rotate in the opposite directions, the first support 1 is provided with a convex block positioned above the pawl 13, the convex block and the top surface of the pawl 13 are connected through a first spring 10 extending in the height direction, the first support 1 is further provided with a second bolt 4 horizontally extending in the direction perpendicular to the axis of the hinge shaft in a threaded mode, the second bolt 4 is pushed onto the pawl 13, and the contact point of the second bolt 4 and the pawl 13 is positioned between the hinge shaft and the first spring 10.

Threaded connection has the second overcoat 12 that runs through second support 2 along heat exchange tube axis direction on the second frame, the axis of second overcoat 12 and the axis collineation of first overcoat 11, seted up on the second overcoat 12 with heat transfer pipeline adaptation just supplies heat transfer pipeline male second is perforated, seted up the intercommunication on the top surface of second overcoat 12 the second is perforated and is supplied the recess 8 that drift 9 runs through.

The second support 2 is further connected with a sliding block 5 which slides along the height direction in a sliding mode, the second through hole is far away from the opening of the first support 1 and is pushed to the sliding block 5, and an adapting groove which extends along the height direction and is located right above the groove 8 is formed in the second support 2.

Two second lugs horizontally arranged are fixedly connected to the end face, far away from the second through hole, of the sliding block 5, two third lugs located below the second lugs are fixedly connected to the second support 2, the third lugs are correspondingly arranged with the second lugs, and the correspondingly arranged third lugs are connected with the second lugs through second springs 6 extending along the height direction.

Have the third perforation that extends along heat exchange tube axis direction on the slider 5, wear to be equipped with drift 9 in the third perforation, drift 9 extends to the adaptation inslot, and it has the third bolt that is located third perforation both sides and sets up about the third perforation symmetry still to have threaded connection on the slider 5, and the third bolt extends to in the third perforation, and the third bolt of relative setting extrudees drift 9 fixedly.

The utility model discloses when using, at first insert first overcoat 11, second overcoat 12 with the heat exchange tube in proper order to on pushing up to slider 5, then rotate hand wheel 3, drive first bolt top to the heat exchange tube on, it is fixed with the heat exchange tube.

Then the first outer sleeve 11 is rotated reversely, so that the top of a first ratchet tooth is arranged on a pawl 13, the reverse rotation of the first outer sleeve 11 is limited under the action of a second bolt 4, then a second driving device is driven to drive a slide block 5 to move downwards, the slide block 5 drives a punch head 9 to move downwards and compress a second spring 6, meanwhile, the punch head 9 penetrates through a groove 8 and punches an overflow groove on a heat exchange tube, then the extension end of the first driving device is driven to contract, and the slide block 5 and the punch head 9 are reset under the action of the elastic force of the second spring 6;

and then the first outer sleeve 11 is rotated, the first outer sleeve 11 drives the ratchet wheel 7 to rotate, after the ratchet wheel rotates by 90 degrees, the ratchet wheel rotates reversely to enable a second ratchet to be propped against the pawl 13, the ratchets are uniformly distributed, so that the rotation of the heat exchange tube can be determined to be uniform, the positioning of the overflow groove is ensured, then the punch 9 is driven to punch the second overflow groove, after the punching of the second overflow groove is finished, the first outer sleeve 11 is rotated in the same direction again to enable the heat exchange tube to rotate by 90 degrees, and the like, the four overflow grooves are punched in sequence.

When the heat exchange tube is rotated, the ratchet drives the upper end of the pawl 13 to rotate towards the direction far away from the second bolt 4, the lower end of the ratchet is driven to rotate towards the direction close to the second bolt 4, the first spring 10 is stretched at the same time, and after the ratchet rotates, the pawl 13 is driven to reset under the tension of the first spring 10; when the ratchet wheel 7 rotates reversely, the ratchet teeth are propped against the pawl 13, the upper end of the pawl 13 rotates towards the second bolt 4, the second bolt 4 is propped against the pawl 13, the rotation of the ratchet wheel 7 is limited, and therefore the rotation of the heat exchange tube is limited.

Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.

Claims

1. The utility model provides a heat exchange tube overflow launder processingequipment which characterized in that: the heat exchange device comprises a fixing device for fixing a heat exchange tube and driving the heat exchange tube to rotate uniformly, a punch (9) which moves along the heat exchange tube in the radial direction and is matched with the overflow groove, and a first driving device for driving the punch (9) to penetrate through the heat exchange tube.

2. The heat exchange tube overflow launder processing apparatus as claimed in claim 1, wherein: fixing device establishes first overcoat (11) in the heat exchange tube outside including the cover to and ratchet (7) of rigid coupling on first overcoat (11), threaded connection has the top extremely on first overcoat (11) the first bolt of heat exchange tube, first overcoat (11) coupling is on first support (1), be equipped with four ratchets of evenly arranging along ratchet (7) circumference on the periphery of ratchet (7), establish on first support (1) with ratchet complex pawl (13).

3. The heat exchange tube overflow launder processing apparatus as claimed in claim 2, wherein: pawl (13) connect through the articulated shaft hub on first support (1) and the upper and lower both ends antiport of pawl (13), the top surface of pawl (13) is connected with first support (1) through first spring (10) that extend along the direction of height, last threaded connection of first support (1) still has second bolt (4) of top to pawl (13), second bolt (4) with the contact point of pawl (13) is located between articulated shaft and first spring (10).

4. The heat exchange tube overflow launder processing apparatus as claimed in claim 2, wherein: still include through the bolt with the second support (2) of being connected of first support (1), threaded connection has second overcoat (12) with first overcoat (11) coaxial line on second support (2), seted up on second overcoat (12) with heat transfer pipeline adaptation and confession heat transfer pipeline male second is perforated, seted up the intercommunication on the top surface of second overcoat (12) recess (8) that the second was perforated and was supplied drift (9) to run through, drift (9) sliding connection is in on second support (2).

5. The heat exchange tube overflow launder processing apparatus as claimed in claim 4, wherein: the second support (2) is connected with a sliding block (5) sliding along the height direction in a sliding mode, and the side face, close to the first support (1), of the sliding block (5) is detachably connected with the punch (9).

6. The heat exchange tube overflow launder processing apparatus as claimed in claim 5, wherein: the first driving device comprises a second driving device which is positioned above the sliding block (5) and pushes the sliding block (5) to move downwards, and the sliding block (5) is connected with the second support (2) through a second spring (6) extending along the height direction.

7. The heat exchange tube overflow launder processing apparatus as claimed in claim 5, wherein: one end, far away from the first support (1), of the second through hole is pushed to the sliding block (5), and an adaptive groove for the punch (9) to move along the height direction is formed in the side face, close to the sliding block (5), of the second support (2).