CN212071764U - Heat exchanger device of loosing core - Google Patents
Heat exchanger device of loosing core Download PDFInfo
- Publication number
- CN212071764U CN212071764U CN202020739746.5U CN202020739746U CN212071764U CN 212071764 U CN212071764 U CN 212071764U CN 202020739746 U CN202020739746 U CN 202020739746U CN 212071764 U CN212071764 U CN 212071764U
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- ratchet
- heat exchanger
- rack
- rectangular frame
- flange
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Abstract
The utility model discloses a heat exchanger device of loosing core of chemical industry equipment overhaul technical field to solve prior art and can not satisfy the equipment defect that different model heat exchanger casings were loosed core, this device still includes the base including the flange of parcel water-cooling core, the below of base is equipped with the stabilizer blade all around, height adjusting device includes rectangle frame and vertical rack, the rack is located the vertical axis department of rectangle frame, and rack toothing has the gear train, the gear train is parallel to each other, and the gear train includes the round gear of ratchet and meshing rack, it has horizontal pivot to pass between ratchet and the round gear, the pivot is located the rectangle frame, round gear and ratchet are placed side by side each other, and the ratchet meshing has two-way ratchet kayser. The device can adjust the upper height and the lower height according to the operation requirement when in use so as to meet the operation requirement of core pulling of the heat exchangers with different heights, has compact structure, is less influenced by the limitation of operation space, and is flexible and convenient to use.
Description
Technical Field
The utility model belongs to the technical field of the chemical industry equipment overhauls, specifically heat exchanger device of loosing core.
Background
At present, a chemical plant generally adopts a semi-mechanical device to overhaul a heat exchanger, for example, a frame type winch core-pulling device, when core pulling is carried out, one end of the frame type winch core-pulling device is rigidly fixed on a shell of the heat exchanger, a steel wire rope is hung on a tube plate of a tube bundle, then the winch starts to move or the winch mechanism works, and the tube bundle is pulled out of the shell by the pulling force generated by the winch. Although automation of the service is improved in the service, there are still a number of drawbacks: firstly, the core-pulling device cannot work independently, and the core-pulling operation can be completed only by depending on large-scale hoisting; secondly, the device of loosing core structure is complicated and bulky, and the transportation is inconvenient, and the operation space has certain limitation when in-service use simultaneously, can't satisfy heat exchanger field operation's of loosing core operation's operation requirement. Thirdly, the core pulling device cannot finely adjust the height and cannot meet the core pulling operation of heat exchange shells of different models.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims to provide a device that high adjustment can be realized in order to satisfy different models heat transfer casing and loose core.
In order to achieve the above purpose, the technical solution of the present invention is as follows: the core pulling device of the heat exchanger comprises a flange wrapping a water cooling core and a base, wherein support legs are arranged on the periphery of the lower portion of the base, a jack is arranged below each support leg, and a height adjusting device is arranged above the base;
the height adjusting device comprises a rectangular frame and a vertical rack, the rack is positioned on the vertical central axis of the rectangular frame, the rack is meshed with a gear set, the gear sets are parallel to each other, the gear set comprises a ratchet wheel and a circular gear meshed with the rack, a transverse rotating shaft penetrates through the space between the ratchet wheel and the circular gear, the rotating shaft is positioned in the rectangular frame, the circular gear and the ratchet wheel are arranged in parallel, and the ratchet wheel is meshed with a bidirectional ratchet wheel lock;
the bidirectional ratchet clamping lock is located on the inner surface of the rectangular frame, the outer surface of the rectangular frame is provided with an indicating block, a round-head pin is connected between the indicating block and the bidirectional ratchet clamping lock, the bidirectional ratchet clamping lock comprises a first locking tooth limiting ratchet clockwise rotation and a second locking tooth limiting ratchet anticlockwise rotation, a transition arc is connected between the first locking tooth and the second locking tooth, the arc length of the transition arc is equal to the radius of a ratchet tooth root circle, and the outer surface of the rectangular frame far away from a rack is connected with a working assembly.
Further, the flange includes the fixed orifices, the work subassembly includes the dead lever of a set of opposition, the width of dead lever is equal to the fixed orifices interval of the horizontal axis department opposition of flange, has the chain block device between the dead lever, the chain block device winding has the cable.
Furthermore, the cross section of the indication block is triangular, a groove is arranged in the scanning stroke of the indication block, and the width of the groove is equal to the arc length of the transition arc.
Furthermore, the two ends of the groove are provided with marks which respectively indicate the meshing state of the first locking tooth and the meshing state of the second locking tooth.
Furthermore, the junction of pivot and rectangle frame has the axle connector, axle connector one end fixed connection is in rectangle frame body, and the one end of axle connector rotates to be connected in the pivot.
Further, a transverse reinforcing rod is connected between the adjacent support legs.
Furthermore, a group of tooth sockets are formed in the surface of the fixing rod, the distance between the tooth sockets is equal to the thickness of the flange, and nuts are connected to the surfaces of the tooth sockets.
After the scheme is adopted, the following beneficial effects are realized: this device utilizes the dead lever to inject the relative motion of flange and water-cooling core to the chain block device carries out taking out of water-cooling core, the damage of flange has been avoided, this device utilizes the ratchet lock to carry out height adjusting device's locking simultaneously, the influence of harmful force to the operation in-process has been avoided, the operation requirement of not co-altitude heat exchanger loose core is satisfied with this to the height from top to bottom can be adjusted according to the operation needs simultaneously when using, and its compact structure, it is less to receive the influence of operation space limitation, it is nimble to use, it is convenient.
Drawings
Fig. 1 is a side view of an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a partial cross-sectional view of the rectangular frame of fig. 1.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a nut 1, a flange 2, a base 3, a support leg 4, a reinforcing rod 5, a height adjusting device 6, a rectangular frame 7, a rack 8, a circular gear 9, a ratchet 10, a bidirectional ratchet lock 11, an indicating block 12, a mark 13, a fixing rod 14, a chain rewinding device 15, a pull rope 16 and a jack 17.
The embodiment is basically as shown in the attached figure 1: the heat exchanger core-pulling device comprises a flange 2 wrapping a water-cooling core, the flange 2 comprises a fixing hole, the heat exchanger core-pulling device further comprises a base 3, support legs 4 are arranged on the periphery of the lower portion of the base 3, a transverse reinforcing rod 5 is connected between every two adjacent support legs 4, a jack 17 is arranged below each support leg 4, and a height adjusting device 6 is arranged above the base 3;
referring to fig. 2 and fig. 3, the height adjusting device 6 includes a rectangular frame 7 and a vertical rack 8, the rack 8 is located at a vertical central axis of the rectangular frame 7, the rack 8 is engaged with a gear set, the gear set is parallel to each other, the gear set includes a ratchet 10 and a circular gear 9 engaged with the rack 8, a transverse rotating shaft passes through between the ratchet 10 and the circular gear 9, a connecting portion of the rotating shaft and the rectangular frame 7 is provided with a shaft connector, one end of the shaft connector is fixedly connected to the rectangular frame 7, one end of the shaft connector is rotatably connected to the rotating shaft, the rotating shaft is located in the rectangular frame 7, the circular gear 9 and the ratchet 10 are parallel to each other, and the ratchet 10 is engaged with a bidirectional ratchet lock 11;
two-way ratchet kayser 11 is located the internal surface of the rectangle frame 7 body, the surface of the rectangle frame 7 body has instruction piece 12, be connected with the button head round pin between instruction piece 12 and the two-way ratchet kayser 11, two-way ratchet kayser 11 is including injecing ratchet 10 clockwise turning's first lock tooth and injecing ratchet 10 anticlockwise turning's second lock tooth, be connected with the transition arc between first lock tooth and the second lock tooth, the arc length of transition arc equals the radius of ratchet 10 root circle, the cross section of instruction piece 12 is triangle-shaped, and be equipped with the recess in instructing the sweep stroke of piece 12, the width of recess equals the arc length of transition arc, the both ends of recess have sign 13, sign 13 indicates the engaged state of first lock tooth and the engaged state of second lock tooth respectively.
The outer surface of the rectangular frame 7 far away from the rack 8 is connected with a working assembly, the working assembly comprises a group of opposite fixing rods 14, the surfaces of the fixing rods 14 are provided with a group of tooth sockets, the distance between the tooth sockets is equal to the thickness of the flange 2, the surfaces of the tooth sockets are connected with nuts 1, the width of each fixing rod 14 is equal to the distance between the opposite fixing holes at the transverse central axis of the flange 2, chain reversing devices 15 (slang called electric hoists) with the model number of HSC0.5T × 12M are arranged between the fixing rods 14, the chain reversing devices 15 are in threaded connection with the surfaces of the rectangular frame 7, and pull cables 16 are wound on the chain reversing.
The specific implementation process is as follows: in use of the device, the operator raises or lowers the jacks 17 beneath the legs 4 to align the working components of the device generally with the flanges 2, and then fine-tunes the height of the device, primarily by means of the height adjustment device 6.
When the height adjusting device 6 is operated, an operator firstly pulls the indicating block 12 to enable the indicating block 12 to point to the angle of the first locking tooth, at the moment, the indicating block 12 is indicated to limit the ratchet 10 to rotate clockwise through the coaxially connected bidirectional ratchet clamping lock 11, then the operator utilizes an external hydraulic machine or a suspender component (can be used according to requirements, the device does not comprise the two devices), upward moving and lifting of the rectangular frame 7 are achieved, at the moment, the circular gear 9 drives the coaxially connected ratchet 10 to rotate anticlockwise in the same direction so as to achieve lifting of the rectangular frame 7, and meanwhile, the bidirectional ratchet clamping lock 11 is in a state of limiting the ratchet 10 to rotate clockwise at the moment, and descending of the rectangular frame 7 is avoided.
Then the operator unscrews the nut 1 at the end of the fixing rod 14, connects the fixing hole of the flange 2 between the tooth sockets of the fixing rod 14, then screws the nut 1 to keep the flange 2 still, then the operator connects the guy cable 16 with the water-cooling core inside the flange 2, and at the moment, the operator starts the chain block device 15 to realize the relative movement of the water-cooling core and the flange 2, and the water-cooling core is drawn out.
When the height of the height adjusting device 6 needs to be reset or reduced, an operator pulls the indicating block 12 to enable the indicating block 12 to point to the angle of the second lock tooth, at the moment, the two-way ratchet wheel lock 11 coaxially connected with the indicating block 12 indicates that the ratchet wheel 10 is limited to rotate anticlockwise, then the operator utilizes an external hydraulic machine or a suspender assembly to realize the slow downward movement of the rectangular frame 7, and at the moment, the circular gear 9 drives the ratchet wheel 10 coaxially connected with the circular gear to rotate in the same direction and anticlockwise to realize the descending of the rectangular frame 7.
When the device is used, the upper height and the lower height can be adjusted according to operation requirements so as to meet the operation requirements of core pulling of heat exchangers with different heights, and the device is compact in structure, less affected by operation space limitations and flexible and convenient to use.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. Heat exchanger device of loosing core, including the flange of parcel water-cooling core, its characterized in that: the lifting device is characterized by further comprising a base, wherein support legs are arranged on the periphery of the lower portion of the base, a jack is arranged below each support leg, and a height adjusting device is arranged above the base;
the height adjusting device comprises a rectangular frame and a vertical rack, the rack is positioned on the vertical central axis of the rectangular frame, the rack is meshed with a gear set, the gear sets are parallel to each other, the gear set comprises a ratchet wheel and a circular gear meshed with the rack, a transverse rotating shaft penetrates through the space between the ratchet wheel and the circular gear, the rotating shaft is positioned in the rectangular frame, the circular gear and the ratchet wheel are arranged in parallel, and the ratchet wheel is meshed with a bidirectional ratchet wheel lock;
the bidirectional ratchet clamping lock is located on the inner surface of the rectangular frame, the outer surface of the rectangular frame is provided with an indicating block, a round-head pin is connected between the indicating block and the bidirectional ratchet clamping lock, the bidirectional ratchet clamping lock comprises a first locking tooth limiting ratchet clockwise rotation and a second locking tooth limiting ratchet anticlockwise rotation, a transition arc is connected between the first locking tooth and the second locking tooth, the arc length of the transition arc is equal to the radius of a ratchet tooth root circle, and the outer surface of the rectangular frame far away from a rack is connected with a working assembly.
2. The heat exchanger core pulling device according to claim 1, characterized in that: the flange includes the fixed orifices, the work subassembly includes the dead lever of a set of opposition, the width of dead lever is equal to the fixed orifices interval of the horizontal axis department opposition of flange, has the chain block device between the dead lever, the chain block device winding has the cable.
3. The heat exchanger core pulling device according to claim 2, characterized in that: the cross section of the indicating block is triangular, a groove is formed in the scanning stroke of the indicating block, and the width of the groove is equal to the arc length of the transition arc.
4. The heat exchanger core pulling device according to claim 3, characterized in that: the two ends of the groove are provided with marks which respectively indicate the meshing state of the first locking tooth and the meshing state of the second locking tooth.
5. The heat exchanger core pulling device according to claim 4, characterized in that: the junction of pivot and rectangle frame has the coupling, coupling one end fixed connection is in the rectangle framework, and the one end rotation of coupling is connected in the pivot.
6. The heat exchanger core pulling device according to claim 5, characterized in that: and a transverse reinforcing rod is connected between the adjacent support legs.
7. The heat exchanger core pulling device according to claim 6, characterized in that: the surface of the fixing rod is provided with a group of tooth sockets, the distance between the tooth sockets is equal to the thickness of the flange, and the surfaces of the tooth sockets are connected with nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020739746.5U CN212071764U (en) | 2020-05-06 | 2020-05-06 | Heat exchanger device of loosing core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020739746.5U CN212071764U (en) | 2020-05-06 | 2020-05-06 | Heat exchanger device of loosing core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212071764U true CN212071764U (en) | 2020-12-04 |
Family
ID=73587935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020739746.5U Expired - Fee Related CN212071764U (en) | 2020-05-06 | 2020-05-06 | Heat exchanger device of loosing core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212071764U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113771306A (en) * | 2021-08-13 | 2021-12-10 | 浙江凯华模具有限公司 | Self-locking core-pulling structure |
-
2020
- 2020-05-06 CN CN202020739746.5U patent/CN212071764U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113771306A (en) * | 2021-08-13 | 2021-12-10 | 浙江凯华模具有限公司 | Self-locking core-pulling structure |
| CN113771306B (en) * | 2021-08-13 | 2023-08-08 | 浙江凯华模具有限公司 | Self-locking core-pulling structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201204 |