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CN207325775U - A kind of expanding gun with pressure bulletin - Google Patents

A kind of expanding gun with pressure bulletin Download PDF

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Publication number
CN207325775U
CN207325775U CN201720726648.6U CN201720726648U CN207325775U CN 207325775 U CN207325775 U CN 207325775U CN 201720726648 U CN201720726648 U CN 201720726648U CN 207325775 U CN207325775 U CN 207325775U
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CN
China
Prior art keywords
pressure
expanding
bulletin
gun
gun body
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Application number
CN201720726648.6U
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Chinese (zh)
Inventor
陈孙艺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maoming Gravity Petrochemical Equipment Co Ltd
Challenge Petrochemical Machinery Corp
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Maoming Gravity Petrochemical Equipment Co Ltd
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Priority to CN201720726648.6U priority Critical patent/CN207325775U/en
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Publication of CN207325775U publication Critical patent/CN207325775U/en
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Abstract

A kind of expanding gun with pressure bulletin of the utility model, its structure includes gun body and tube expansion head, tube expansion head is located at the head of gun body, the afterbody of gun body is connected with the pressure apparatus for producing expanding pressure, gun body is connected with pressure bulletin instrument at its head, the expanding pressure in tube expansion head can be monitored and controlled in real time for pressure bulletin instrument, expanding pressure is changed accordingly according to demand, meet different materials, different structure, different size or the required expanding pressure of tube head of varying strength requirement, and then reach good expanded joint effect, also expanding gun applicability and flexibility are strengthened.

Description

A kind of expanding gun with pressure bulletin
Technical field
Expanding gun technical field is the utility model is related to, more particularly to a kind of expanding gun with pressure bulletin.
Background technology
In heat transmission equipment, the connection of exchanger tubes and tubesheets mainly has strength and buckling, strength solder joints and expanded and welded tube joint and with three kinds Pattern, expanded joint are the necessary connection modes of tube head.Expanding joint method can divide mechanical expanding, Hydraulic expansion-jointing and explosion expanded joint etc..It is most general All over using mechanical expansion connection, relatively advanced is Hydraulic Expansion connection, and expanded joint has simple in structure, the spies such as pipe repairing is easy Point is therefore, more common in production practices.
At present, during expanding joint process, the control of expanding pressure parameter is directly related to expanded joint effect, such as expanded joint pressure Power deficiency causes expanded joint loosely certainly, but expanding pressure caused greatly very much the swollen tube sheet for also tending to cause pipe end junction to become Shape, tube bank distortion, cause to leak, or even make heat exchanger tube that the damage such as crackle occur, therefore must be strictly controlled expanded joint pressure in tube expansion Power.Various different materials, different structure, different size, the required expanding pressure of tube head of varying strength requirement are different, The expanded joint effect of same expanding pressure will also be influenced be subject to operating process such as dwell times.As shown in Fig. 2, expanding pressure is by swollen The hydraulic system of pipe machine 10 produces, and the output of expanding pressure is controlled by the control cabinet 20 of electric tube expander 10, since control cabinet 20 includes The complexity spare and accessory parts such as regulating valve, pressure gauge and electrical equipment, its output pressure are just passed to by one section longer of high pressure line 30 Expanding gun 40, pressure by frequently using and transmission loss after, expanding gun 40 has been output to the true pressure of tube expansion first 50 not Can accurately it control, this brings difficulty to the control of expanding pressure and the evaluation of expanded joint effect, therefore to being output to tube expansion first 50 True pressure is detected and control is of great significance.
The content of the invention
The purpose of this utility model is that avoid shortcoming of the prior art and provide one kind can monitor in real time it is swollen Connect the expanding gun with pressure bulletin of pressure.
The purpose of this utility model is achieved through the following technical solutions:
A kind of expanding gun with pressure bulletin is provided, including gun body and tube expansion head, tube expansion head are located at the head of gun body, The afterbody of gun body is connected with the pressure apparatus for producing expanding pressure, and gun body is connected with its head to be monitored and control in real time The pressure bulletin instrument of expanding pressure in tube expansion head processed.
Wherein, pressure bulletin instrument includes being used for the pressure display unit for directly displaying pressure value.
Wherein, pressure display unit includes digital display device, interface scale type display and pointer display.
Wherein, pressure bulletin instrument includes being used for the safety warning device for reminding pressure value to reach preset value.
Wherein, safety warning device is lamp-based attention device or sound attention device.
Wherein, the afterbody of gun body connects pressure apparatus by high pressure spool.
Wherein, be equipped with being capable of the linkage that can be disassembled from gun body of control pressure bulletin instrument for the delivery outlet of high pressure spool Switch.
Wherein, pressure bulletin instrument is connected by high-pressure output tube with gun body.
Wherein, tube expansion head connects gun body by swollen head connector.
Wherein, gun body is provided with Top carry handle and auxiliary handle, and Top carry handle is mutually perpendicular to or is parallel to each other with auxiliary handle.
The beneficial effects of the utility model:
The expanding gun of the utility model, including gun body and tube expansion head, tube expansion head are located at the head of gun body, and the afterbody of gun body connects The pressure apparatus for producing expanding pressure is connected to, gun body is connected with pressure bulletin instrument at its head, and pressure bulletin instrument can be real When be monitored and controlled tube expansion head in expanding pressure so that expanding pressure can be changed accordingly according to demand, meet not Same material, different structure, different size or the required expanding pressure of tube head of varying strength requirement, and then reach well Expanded joint effect, also strengthens expanding gun applicability and flexibility.
Brief description of the drawings
Using attached drawing, the utility model is described in further detail, but the embodiment in attached drawing is not formed to the utility model Any restrictions, without creative efforts, can also be according to following attached for those of ordinary skill in the art Figure obtains other attached drawings.
Fig. 1 is the structure diagram for controlling expanding pressure in the prior art.
The structure diagram that Fig. 2 robs for expanded joint in the embodiment 1 of the utility model.
The structure diagram that Fig. 3 robs for expanded joint in the embodiment 2 of the utility model.
The structure diagram that Fig. 4 robs for expanded joint in the embodiment 3 of the utility model
Include in Fig. 2 into Fig. 4:
1- gun bodies;
2- tube expansion heads;
3- is swollen head connector;
4- pressure bulletin instrument;
5- high pressure spools;
6- safety power lines;
7- Top carry handles;
8- auxiliary handles;
9- high-pressure output tubes;
11- lifting lugs.
Embodiment
The utility model is described in further detail with the following Examples.
Embodiment 1
A kind of one of embodiment of expanding gun with pressure bulletin of the utility model, as shown in Fig. 2, its Structure includes gun body and tube expansion first 2, and tube expansion first 2 connects gun body by swollen head connector 3, replaceable by swollen head connector 3 The tube expansion first 2 of different size, so that expanding gun is suitable for the expanded joint of the heat exchanger tube of different inner diameters and the tube sheet of different-thickness.Swollen head One end specification that connector 3 is connected with gun body is constant, and swollen head connector 3 can change with one end specification that tube expansion first 2 is connected, tube expansion First 2, the connection of swollen head connector 3 and gun body three is all realized by screw thread and gasket, and installation and removal are all very easy can Lean on.
As shown in Fig. 2, tube expansion first 2 is located at the head of gun body, the afterbody of gun body is connected with the pressure dress for producing expanding pressure Put, pressure apparatus is generally hydraulic system, and gun body is provided with pressure bulletin instrument 4 at its head, and pressure bulletin instrument 4 is embedded in rifle On body.The expanding pressure in tube expansion first 2 can be monitored and controlled in real time for pressure bulletin instrument 4 so that expanding pressure can be according to need Ask and changed accordingly, meet that different materials, different structure, different size or the tube head of varying strength requirement are required Expanding pressure, and then good expanded joint effect is reached, also strengthen expanding gun applicability and flexibility.
Specifically, pressure bulletin instrument 4 includes being used for the pressure display unit for directly displaying pressure value, pressure display unit includes number Word formula display, interface scale type display and pointer-type display.So pressure display unit just can intuitively show pressure value and It changes, and then can be according to technological requirement real-time monitoring expanding pressure value.
Specifically, pressure bulletin instrument 4 includes being used for the safety warning device for reminding pressure value to reach preset value.Safety warning device It can be lamp-based attention device, or sound attention device.Safety warning device can play the role of security insurance, in addition safety Attention device takes up space smaller, can effectively reduce gun body volume, mitigate gun body weight.
In the present embodiment, pressure bulletin instrument 4 has data write-in storage, and historical data is consulted and download function.Data packet Highest expanding pressure value and dwell time are included, to be achieved after the completion of expanded joint to practical operation data, and then can be used for Analysis and research and Optimizing Process Parameters.
In the present embodiment, the afterbody of gun body is connected with safety power line 6, and the afterbody of gun body is also associated with high pressure spool 5, rifle Body connects pressure apparatus by high pressure spool 5.The delivery outlet of high pressure spool 5 is equipped with linked switch, linked switch closure, pressure Bulletin instrument 4 can show pressure output value rapidly, when pressure bulletin instrument 4 needs replacing or pulls down evaluation, disconnect linked switch, To ensure safety, if linked switch does not turn off, pressure bulletin instrument 4 cannot not torn open any more from gun body.
In the present embodiment, gun body is provided with Top carry handle 7 and auxiliary handle 8, and hand handle is parallel to each other with auxiliary handle 8, hand handle Cooperate with auxiliary handle 8, facilitate right-hand man to hold operation at the same time, improve service efficiency.Lifting lug 11 is additionally provided with gun body, is hung Ear 11 is used to hang up the expanding gun of non-job state, easy to the storage of expanding gun.
Embodiment 2
Invention a kind of expanding gun with pressure bulletin embodiment two, as shown in figure 3, the present embodiment and The main technical schemes of embodiment 1 are identical, and the technical characteristic of not specified (NS) is explained using embodiment 1 in the present embodiment, This will not be repeated here, and the difference of the present embodiment and embodiment is, Top carry handle 7 is mutually perpendicular to auxiliary handle 8, hand handle and auxiliary Handle 8 cooperates, and facilitates right-hand man to hold operation at the same time, improves service efficiency.
Embodiment 3
Invention a kind of expanding gun with pressure bulletin embodiment three, as shown in figure 4, the present embodiment and The main technical schemes of embodiment 1 are identical, and the technical characteristic of not specified (NS) is explained using embodiment 1 in the present embodiment, This will not be repeated here, and the difference of the present embodiment and embodiment is, pressure bulletin instrument 4 is split-type design with gun body, and pressure is accused Show that instrument 4 is connected by high-pressure output tube 9 with gun body.Split-type design structure can keep the integrality of lance body structure and intensity equal It is even, without in gun body perforate pressure bulletin instrument 4 is embedded in.
Finally it should be noted that above example is only illustrating the technical solution of the utility model, rather than to this reality With the limitation of novel protected scope, although being explained with reference to preferred embodiment to the utility model, this area it is general Lead to it will be appreciated by the skilled person that can be to the technical solution of the utility model technical scheme is modified or replaced equivalently, without departing from this The spirit and scope of utility model technical solution.

Claims (10)

1. a kind of expanding gun with pressure bulletin, including gun body and tube expansion head, tube expansion head are located at the head of gun body, the tail of gun body Portion is connected with the pressure apparatus for producing expanding pressure, it is characterised in that:Gun body is connected with its head to be monitored in real time With the pressure bulletin instrument of expanding pressure in control tube expansion head.
A kind of 2. expanding gun with pressure bulletin according to claim 1, it is characterised in that:Pressure bulletin instrument includes using In the pressure display unit for directly displaying pressure value.
A kind of 3. expanding gun with pressure bulletin according to claim 2, it is characterised in that:Pressure display unit includes number Word formula display, interface scale type display and pointer display.
A kind of 4. expanding gun with pressure bulletin according to claim 1, it is characterised in that:Pressure bulletin instrument includes using In the safety warning device for reminding pressure value to reach preset value.
A kind of 5. expanding gun with pressure bulletin according to claim 4, it is characterised in that:Safety warning device is lamp-based Attention device or sound attention device.
A kind of 6. expanding gun with pressure bulletin according to claim 1, it is characterised in that:The afterbody of gun body passes through height Crimping pipe connects pressure apparatus.
A kind of 7. expanding gun with pressure bulletin according to claim 6, it is characterised in that:The delivery outlet of high pressure spool Equipped with being capable of the linked switch that can be disassembled from gun body of control pressure bulletin instrument.
A kind of 8. expanding gun with pressure bulletin according to claim 1, it is characterised in that:Pressure bulletin instrument passes through height Pressure efferent duct is connected with gun body.
A kind of 9. expanding gun with pressure bulletin according to claim 1, it is characterised in that:Tube expansion head is connected by swollen head Device is connect to connect gun body.
A kind of 10. expanding gun with pressure bulletin according to claim 1, it is characterised in that:Gun body is provided with main hand And auxiliary handle, Top carry handle be mutually perpendicular to or be parallel to each other with auxiliary handle.
CN201720726648.6U 2017-06-21 2017-06-21 A kind of expanding gun with pressure bulletin Active CN207325775U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720726648.6U CN207325775U (en) 2017-06-21 2017-06-21 A kind of expanding gun with pressure bulletin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720726648.6U CN207325775U (en) 2017-06-21 2017-06-21 A kind of expanding gun with pressure bulletin

Publications (1)

Publication Number Publication Date
CN207325775U true CN207325775U (en) 2018-05-08

Family

ID=62425614

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720726648.6U Active CN207325775U (en) 2017-06-21 2017-06-21 A kind of expanding gun with pressure bulletin

Country Status (1)

Country Link
CN (1) CN207325775U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109482753A (en) * 2018-12-19 2019-03-19 广东省智能机器人研究院 A kind of abnormal pressure monitoring system and method for during tube expansion

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109482753A (en) * 2018-12-19 2019-03-19 广东省智能机器人研究院 A kind of abnormal pressure monitoring system and method for during tube expansion
CN109482753B (en) * 2018-12-19 2020-04-14 广东省智能机器人研究院 A system and method for abnormal pressure monitoring during pipe expansion

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