Pressure test tool for exhaust valve shell

Abstract

The invention discloses an exhaust valve shell pressure test tool which comprises a base, a shell, matching grooves and air outlets, the shell is arranged at the top end of the base, the matching grooves are symmetrically formed in the shell, the air outlets are formed in the positions, located on the side faces of the matching grooves, in the shell, a connecting device is arranged on the side face of the shell, and a matching device is fixedly installed at the top end of the shell. Compared with a traditional exhaust valve shell pressure testing device, the exhaust valve shell pressure testing device can conduct multi-angle and comprehensive sealing on an exhaust port of a shell in the using process, the sealing effect in the shell testing process is guaranteed, the exhaust valve shell pressure testing device can be further rapidly installed on the base in the follow-up process, the overall position of the device can be conveniently fixed, and the testing efficiency is improved. And finally, the pressure detection of the exhaust valve shell can be stably and efficiently completed by using the pump pressure device, so that the working quality of the equipment is more perfect and efficient.

Description

Technical Field

[0001] The invention relates to the field of exhaust valve housing detection, and in particular to a tool for pressure testing of an exhaust valve housing. Background Art

[0002] The exhaust valve system is an important component of a low-speed marine engine. It is mainly responsible for timely discharging the exhaust gas generated in the combustion chamber when the engine is running. The exhaust valve housing is the most important part in the exhaust valve system. It is mostly a casting with a complex appearance and structure. Multiple water channels in the inner cavity are interconnected, and the water inlet to each water channel is not uniform. The existing pressure test method requires multiple channels to be pumped multiple times, which has high requirements on the technical ability of the operator. Before pumping, the surrounding product covers must be installed before pressure can be applied. The operation is difficult. If the operation is improper, the covers must be destroyed and reinstalled for pumping, which will consume a lot of manpower and material resources.

[0003] Therefore, it is necessary to provide a new exhaust valve housing pressure test tool to solve the above technical problems. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a convenient, practical and rapid detection tool for exhaust valve housing pressure testing.

[0005] The exhaust valve housing pressure test tooling provided by the present invention comprises: a base, an outer shell, a matching groove and an air outlet, the outer shell is arranged on the top of the base, the matching grooves are symmetrically provided inside the outer shell, the air outlet is provided inside the outer shell on the side of the matching groove, a connecting device is arranged on the side of the outer shell, the matching device is fixedly installed on the top of the outer shell, and a positioning device is fixedly installed on the surface of the base.

[0006] Preferably, the connecting device includes a side panel, a fixing groove, a fixing rod, a baffle, a reinforcement rod and an air intake pipe. The side panel is fixedly installed on the side of the outer shell. The side panel and the inner part of the outer shell are jointly provided with a fixing groove. The fixing rod is threadedly installed in the inner part of the fixing groove. A baffle is arranged on one side of the bottom end of the outer shell. The baffle and the inner part of the outer shell are symmetrically threaded with a reinforcement rod. The air intake pipe is fixedly installed on the side of the side panel.

[0007] Preferably, sealing rings are used when installing the side panels and the baffles. The use of sealing rings during use can further enhance the overall sealing effect.

[0008] Preferably, the matching device includes a first sealing plug, a first sealing groove and a second sealing plug, the first sealing groove is equidistantly provided at the top of the shell, the first sealing plug is threadedly installed inside the first sealing groove, and the second sealing plug is threadedly installed inside the air outlet.

[0009] Preferably, a rotation slot is provided inside the first sealing plug and the second sealing plug. The rotation slot facilitates the rotation of the first sealing plug and the second sealing plug during use, thereby ensuring a sealing effect.

[0010] Preferably, the positioning device includes a positioning rod, a connecting groove, a connecting groove, a threaded groove and a threaded rod. The base surface is symmetrically and equidistantly provided with connecting grooves, the top of the connecting groove is threadedly installed with a positioning rod, the inside of the base is symmetrically provided with connecting grooves, the inside of the shell is provided with a threaded groove at the top of the connecting groove, and a threaded rod is threadedly installed with the threaded groove and the inside of the connecting groove.

[0011] Preferably, a positioning matching hole is opened inside the housing at the top of the positioning rod, which is mainly used to cooperate with the sealing and connection of the exhaust port, so as to facilitate quick positioning and ensure the sealing effect.

[0012] Compared with the related art, the exhaust valve housing pressure test tool provided by the present invention has the following features:

[0013] Beneficial effects:

[0014] The present invention provides a tooling for pressure testing of exhaust valve housings. When in use, the exhaust port of the housing can be sealed in a multi-angle and comprehensive manner through the use of a matching device, a positioning device and a connecting device, thereby ensuring the sealing effect during the housing test. The tooling can also be quickly installed on a base subsequently, thereby facilitating the fixation of the overall position of the equipment. Finally, the pressure detection of the exhaust valve housing can be completed stably and efficiently through the use of a pump pressure device, thereby making the working quality of the equipment itself more perfect and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is one of the overall structural schematic diagrams of the present invention;

[0016] Figure 2 This is the second schematic diagram of the overall structure of the present invention;

[0017] Figure 3 This is the third schematic diagram of the overall structure of the present invention;

[0018] Figure 4 It is a structural schematic diagram of the connection device of the present invention;

[0019] Figure 5 It is a structural schematic diagram of the matching device of the present invention;

[0020] Figure 6 It is a structural schematic diagram of the positioning device of the present invention.

[0021] Numbers in the figure: 1. base; 2. shell; 3. matching groove; 4. air outlet; 5. connecting device; 51. side panel; 52. fixing groove; 53. fixing rod; 54. baffle; 55. reinforcement rod; 56. air inlet pipe; 6. matching device; 61. first sealing plug; 62. first sealing groove; 63. second sealing plug; 7. positioning device; 71. positioning rod; 72. connecting groove; 73. connecting groove; 74. threaded groove; 75. threaded rod. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0023] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0024] Embodiment 1:

[0025] See also Figure 1 , Figure 2 and Figure 3 An embodiment of the present invention provides a tool for pressure testing of an exhaust valve housing, comprising: a base 1, an outer shell 2, a matching groove 3 and an air outlet 4, the outer shell 2 is arranged on the top of the base 1, the matching grooves 3 are symmetrically opened inside the outer shell 2, the air outlet 4 is opened inside the outer shell 2 on the side of the matching groove 3, a connecting device 5 is arranged on the side of the outer shell 2, a matching device 6 is fixedly installed on the top of the outer shell 2, and a positioning device 7 is fixedly installed on the surface of the base 1.

[0026] During use, the base 1 is placed at the target position, and the top and side outlets of the shell 2 are sealed by using the connecting device 5 and the matching device 6. Then, the shell 2 is quickly and stably installed on the surface of the base 1 by using the positioning device 7. Then, the pressure is slowly increased by the pumping equipment, and the pumping medium is injected to finally reach the pressure value required by the drawing. After the pressure stabilizes, the pressure is maintained for the required time.

[0027] See also Figure 4 The connecting device 5 includes a side plate 51, a fixing groove 52, a fixing rod 53, a baffle 54, a reinforcement rod 55 and an air inlet pipe 56. The side plate 51 is fixedly installed on the side of the outer shell 2. The side plate 51 and the inner part of the outer shell 2 are jointly provided with a fixing groove 52. The fixing rod 53 is threadedly installed inside the fixing groove 52. A baffle 54 is provided on one side of the bottom end of the outer shell 2. The baffle 54 and the inner part of the outer shell 2 are symmetrically threadedly installed with a reinforcement rod 55. The air inlet pipe 56 is fixedly installed on the side of the side plate 51.

[0028] During use, the sealing rings are wrapped around the side panels 51 and the baffle 54 respectively, and a small amount of molybdenum disulfide or lubricant is applied to prevent the sealing rings from being damaged when pressed in and losing the sealing function. Then, they are fitted into the grooves on the side of the outer shell 2. After that, the positions of the side panels 51 and the baffle 54 are locked by using the fixing rods 53 and the reinforcing rods 55 to ensure the overall sealing effect and facilitate pressure detection on the outer shell 2.

[0029] See also Figure 4 When the side plate 51 and the baffle plate 54 are installed, sealing rings are used. During use, the use of the sealing rings can further enhance the overall sealing effect.

[0030] See also Figure 5 The matching device 6 includes a first sealing plug 61, a first sealing groove 62 and a second sealing plug 63. The first sealing groove 62 is equidistantly provided at the top of the shell 2. The first sealing plug 61 is threadedly installed inside the first sealing groove 62, and the second sealing plug 63 is threadedly installed inside the air outlet 4.

[0031] During use, the first sealing plug 61 and the second sealing plug 63 are respectively rotated into the corresponding first sealing groove 62 and the air outlet 4 to complete the sealing of the top and side air outlets 4 of the housing 2, which is convenient for subsequent testing.

[0032] See also Figure 5 The first sealing plug 61 and the second sealing plug 63 are provided with a rotation slot inside. During use, the first sealing plug 61 and the second sealing plug 63 can be rotated conveniently by opening the rotation slot to ensure the sealing effect.

[0033] See also Figure 6 The positioning device 7 includes a positioning rod 71, a connecting groove 72, a connecting groove 73, a threaded groove 74 and a threaded rod 75. The connecting grooves 72 are symmetrically and equidistantly provided on the surface of the base 1. The positioning rod 71 is threadedly installed on the top of the connecting groove 72. The connecting grooves 73 are symmetrically provided inside the base 1. The threaded groove 74 is provided inside the shell 2 at the top of the connecting groove 73. The threaded rod 75 is threadedly installed inside the threaded groove 74 and the connecting groove 73.

[0034] During use, clean the positioning rod 71, wrap the sealing ring, apply a small amount of molybdenum disulfide or lubricant, and then put it into the sealing groove of the positioning rod 71, apply glue on the thread to match the connecting groove 72, and then screw it onto the base 1, lift the shell 2, align the multiple air inlet and outlet holes on the shell 2 with the positioning rod 71, slowly lower it, gently tap the shell 2, so that the ground plane of the shell 2 is completely in line with the plane of the base 1, and tighten it with a threaded rod 75.

[0035] See also Figure 6A positioning matching hole is provided inside the housing 2 at the top of the positioning rod 71, which is mainly used to match the sealing and connection of the exhaust port, facilitate quick positioning and ensure the sealing effect.

[0036] The working principle of the exhaust valve housing pressure test tool provided by the present invention is as follows: when the device is in use, the base 1 is placed at the target position, and then the top and side outlets of the entire shell 2 are sealed by using the connecting device 5 and the matching device 6, and the sealing rings are wrapped around the side plates 51 and the baffle plates 54 respectively, and a small amount of molybdenum disulfide or lubricant is applied to prevent the sealing rings from being damaged during pressing and losing the sealing function, and then they are fitted into the inside of the groove on the side of the shell 2, and then the positions of the side plates 51 and the baffle plates 54 are locked by using the fixing rods 53 and the reinforcing rods 55 to ensure the overall sealing effect, and also facilitate pressure detection of the shell 2, and the first sealing plug 61 and the second sealing plug 63 are respectively transferred into the corresponding first sealing groove 62 and the inside of the air outlet 4 , complete the sealing of the top and side air outlets 4 of the shell 2, which is convenient for subsequent inspection. After that, the shell 2 is quickly and stably installed on the surface of the base 1 by using the positioning device 7. The positioning rod 71 is cleaned, the sealing ring is wrapped and coated with a small amount of molybdenum disulfide or lubricant, and then put into the sealing groove of the positioning rod 71, glue is applied to the threaded part to match the connecting groove 72, and then it is screwed to the base 1, and the shell 2 is lifted, and the multiple air inlet and outlet holes on the shell 2 are aligned with the positioning rod 71, and then slowly lowered. The shell 2 is gently tapped to make the ground plane of the shell 2 completely fit with the plane of the base 1, and it is tightened with a threaded rod 75, and then the pressure is slowly increased through the pump pressure equipment, and the pump pressure medium is injected to finally reach the pressure value required by the drawing. After the pressure stabilizes, the pressure is maintained and the pressure is maintained according to the required time.

[0037] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0038] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A tool for exhaust valve housing pressure testing, comprising: The housing (2) is arranged on the top of the base (1). A matching groove (3), the matching groove (3) is symmetrically arranged inside the shell (2), so as to facilitate taking and using the shell (2); an air outlet (4), the air outlet (4) is symmetrically arranged inside the shell (2); It is characterized by: A connecting device (5), the connecting device (5) is arranged on the side of the housing (2) and is used to block the outlet on the side of the housing (2); A matching device (6), the matching device (6) is fixedly mounted on the top of the housing (2) and is used to seal multiple groups of outlets at the top of the housing (2); A positioning device (7) is fixed to the surface of the base (1) and is used to assist the housing (2) in quickly positioning and installing it on the surface of the base (1).

2. The exhaust valve housing pressure test tool according to claim 1, characterized in that: The connecting device (5) comprises a side plate (51), a fixing groove (52), a fixing rod (53), a baffle (54), a reinforcement rod (55) and an air intake pipe (56); the side plate (51) is fixedly mounted on the side of the housing (2); the side plate (51) and the housing (2) are provided with a fixing groove (52); the fixing rod (53) is threadedly mounted inside the fixing groove (52); a baffle (54) is provided on one side of the bottom end of the housing (2); the baffle (54) and the housing (2) are symmetrically threadedly mounted with a reinforcement rod (55); and the air intake pipe (56) is fixedly mounted on the side of the side plate (51).

3. The exhaust valve housing pressure test tool according to claim 2, characterized in that: Sealing rings are used when the side plates (51) and baffle plates (54) are installed.

4. The exhaust valve housing pressure test tool according to claim 1, characterized in that: The matching device (6) comprises a first sealing plug (61), a first sealing groove (62) and a second sealing plug (63); the top of the housing (2) is provided with a first sealing groove (62) equidistantly spaced from the top; the first sealing plug (61) is threadedly mounted inside the first sealing groove (62); and the second sealing plug (63) is threadedly mounted inside the air outlet (4).

5. The exhaust valve housing pressure test tool according to claim 4, characterized in that: The first sealing plug (61) and the second sealing plug (63) are both provided with a rotation slot inside.

6. The exhaust valve housing pressure test tool according to claim 1, characterized in that: The positioning device (7) comprises a positioning rod (71), a connecting groove (72), a connecting groove (73), a threaded groove (74) and a threaded rod (75); the connecting grooves (72) are symmetrically arranged on the surface of the base (1); the top of the connecting groove (72) is threadedly mounted with the positioning rod (71); the inside of the base (1) is symmetrically arranged with connecting grooves (73); the inside of the housing (2) is arranged with a threaded groove (74) at the top of the connecting groove (73); and the threaded rod (75) is threadedly mounted in the threaded groove (74) and the connecting groove (73).

7. The exhaust valve housing pressure test tool according to claim 6, characterized in that: A positioning matching hole is provided inside the housing (2) at the top end of the positioning rod (71).

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