CN214309304U - Air tightness detection device for hydraulic parallel pump shell of excavator - Google Patents
Air tightness detection device for hydraulic parallel pump shell of excavator Download PDFInfo
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- CN214309304U CN214309304U CN202120460099.9U CN202120460099U CN214309304U CN 214309304 U CN214309304 U CN 214309304U CN 202120460099 U CN202120460099 U CN 202120460099U CN 214309304 U CN214309304 U CN 214309304U
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- detection
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- supporting seat
- excavator
- pressing
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- 238000001514 detection method Methods 0.000 title claims abstract description 74
- 238000003825 pressing Methods 0.000 claims abstract description 24
- 238000011084 recovery Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims 2
- 238000000429 assembly Methods 0.000 claims 2
- 239000007789 gas Substances 0.000 description 28
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
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Abstract
The utility model provides an air tightness detection device of excavator hydraulic pressure pump shell that connects in parallel, include: the device comprises a supporting seat and a pressing piece, wherein the pressing piece is arranged above the supporting seat and corresponds to a detection piece on the supporting seat, and the detection piece is pressed on the supporting seat by the pressing piece during detection; one side of supporting seat is provided with aerating device, is formed with the detection chamber between the lower tip of detection piece and the supporting seat, and aerating device's one end just is used for aerifing to the detection intracavity with the cooperation of detection piece, and it includes to compress tightly the piece: the bottom plate is provided with a plurality of mounting holes, and the upper end of the pressure lever assembly is arranged in the mounting holes through a sleeve. The utility model relates to an air tightness detection device of parallelly connected pump casing of excavator hydraulic pressure detects effectually, and airtight detection precision is high, and overall structure is simple, and it is more convenient to operate and use.
Description
Technical Field
The utility model relates to an air tightness detection device technical field, in particular to air tightness detection device of parallelly connected pump casing of excavator hydraulic pressure.
Background
The excavator hydraulic pump is a power source of an excavator hydraulic system, and is an energy conversion device for converting mechanical energy into hydraulic energy. The hydraulic pump is also the element with the most faults in the hydraulic excavator, and once the hydraulic pump fails, the normal work of the hydraulic system of the excavator can be immediately influenced, even the hydraulic system cannot work; the hydraulic pump of the excavator is mostly a swash plate type variable double hydraulic pump, the displacement of the pump can be changed by the variable pump, and the change of the volume of oil discharged by the pump is realized by changing the swing angle of a swash plate to change the stroke of a plunger. The variable displacement pump has the advantages that the power of the engine can be fully utilized within the adjusting range to achieve the effect of high efficiency and energy saving, but the structure and the manufacturing process are complex.
The main characteristics are that the structure is complicated, the cost is expensive, and long service life is reached through the angle that changes the cylinder body to the parallel pump most the inclined shaft type plunger pump at present, consequently also very strict to the requirement of the parallelly connected pump casing of hydraulic pressure, and the existing gas tightness to the pump casing detects all too simply, fails to play comparatively accurate and strict gas tightness and detects, thereby influences the use of casing easily and influences the life of hydraulic pump.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The to-be-solved technical problem of the utility model is to provide a detection device's simple structure, detect precision and effectual, the gas tightness is higher and easy operation's the gas tightness detection device of the parallelly connected pump casing of excavator hydraulic pressure.
(II) technical scheme
In order to solve the technical problem, the utility model discloses an air tightness detection device of parallelly connected pump casing of excavator hydraulic pressure, include: the detection device comprises a supporting seat and a pressing piece, wherein the pressing piece is arranged above the supporting seat, corresponds to a detection piece on the supporting seat, and presses the detection piece on the supporting seat during detection; one side of supporting seat is provided with aerating device, detect the lower tip of piece with be formed with between the supporting seat and detect the chamber, aerating device's one end with detect a cooperation and be used for to detect the intracavity and aerify, the setting of this structure utilizes compress tightly the piece will it compresses tightly to detect the piece on the supporting seat, and pass through aerating device aerifys and detects the gas tightness, and overall structure's setting is simple, and user operation uses convenience more, and right it is higher to detect the airtight detection precision of piece, can effectively guarantee the result of use and the life of the parallelly connected pump casing of excavator hydraulic pressure.
Further, the pressing member includes: the bottom plate and the plurality of pressure bar components are arranged, a plurality of mounting holes are formed in the bottom plate, the upper ends of the pressure bar components are arranged in the mounting holes through sleeves, the pressure bar components can be conveniently assembled and disassembled by the aid of the structure, meanwhile, the occupied space can be reduced, the overall structure of the pressing piece is simplified, and manufacturing cost is effectively reduced.
Further, the strut assembly further comprises: connecting rod and depression bar, the one end of connecting rod slides and sets up in the sleeve, just telescopic lower terminal surface with be provided with the elastic component between the connecting rod, the depression bar with the lower extreme of connecting rod is connected, the depression bar with the cooperation of detection piece, the setting of this structure utilizes the connecting rod with the setting of depression bar can be realized right the compressing tightly of detection piece, holistic simple structure connects the installation simply, can make to compress tightly the effect better, and the gas tightness of being convenient for more detects.
Further, telescopic upper end is formed with the installation department, the installation department is arranged in the mounting hole with the mounting hole cooperation, the setting of this structure can be conveniently right the depression bar subassembly is installed and is dismantled, convenient subsequent change maintenance.
Further, the both sides of detecting the piece with it is fixed to pass through threaded connection between the supporting seat, the through-hole has been seted up on the supporting seat, one side of through-hole with detect the chamber intercommunication, the opposite side and the outside gas recovery unit intercommunication of through-hole, the setting of this structure can conveniently carry out the gas tightness and detect more, guarantees to the gas tightness detection of the parallelly connected pump casing of excavator hydraulic pressure.
Further, be provided with the mounting panel on the supporting seat, the detection piece is arranged in on the mounting panel, the opening has been seted up to one side of mounting panel, aerating device arranges in on the opening and fixed the setting be in on the supporting seat, the setting of this structure can guarantee that the gas tightness detection device overall structure of the parallelly connected pump casing of excavator hydraulic pressure sets up rationally, guarantees that gas tightness detection effect is better.
(III) advantageous effects
The utility model relates to an air tightness detection device of parallelly connected pump casing of excavator hydraulic pressure lies in for prior art's advantage: can effectively guarantee to realize the gas tightness to the parallelly connected pump casing of excavator hydraulic pressure and detect, the precision that the gas tightness detected is higher, and the gas tightness of casing detects the operation more conveniently simultaneously, compresses tightly a and supporting seat through being provided with, thereby compresses tightly the casing and realize that the gas tightness detects, holistic simple structure, and the leakproofness of detecting between piece and the supporting seat is better, makes things convenient for the dismouting simultaneously, can effectively improve detection efficiency.
Drawings
Fig. 1 is a perspective view of the air tightness detection device of the hydraulic parallel pump shell of the excavator of the present invention;
fig. 2 is a bottom-up perspective view of the air tightness detection device of the hydraulic parallel pump housing of the excavator according to the present invention;
fig. 3 is an exploded view of the air tightness detection device of the hydraulic parallel pump housing of the excavator according to the present invention;
fig. 4 is a cross-sectional view of the air tightness detection device of the hydraulic parallel pump housing of the excavator according to the present invention;
fig. 5 is a schematic structural diagram of a bottom plate of the air tightness detection device of the hydraulic parallel pump housing of the excavator according to the present invention;
fig. 6 is a schematic structural diagram of a pressure bar assembly of an air tightness detection device of a hydraulic parallel pump housing of an excavator according to the present invention;
fig. 7 is a schematic structural view of a supporting seat and an inflation device of the air tightness detection device of the hydraulic parallel pump housing of the excavator according to the present invention;
wherein: 1 is a supporting seat, 2 is a pressing piece, 201 is a bottom plate, 202 is a pressure rod assembly, 212 is a sleeve, 222 is a connecting rod, 232 is a pressure rod, 3 is a detection piece, 4 is an inflator, 5 is a detection cavity, 6 is a mounting hole, 7 is an elastic piece, 8 is a mounting part, 9 is a through hole, 10 is a mounting plate, and 11 is an opening part.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1 to 7, an air tightness detecting device for a hydraulic parallel pump housing of an excavator comprises: the device comprises a supporting seat 1 and a pressing piece 2, wherein the pressing piece 2 is arranged above the supporting seat 1, the pressing piece 2 corresponds to a detection piece 3 on the supporting seat 1, and the detection piece 3 is pressed on the supporting seat 1 by the pressing piece 2 during detection; one side of supporting seat 1 is provided with aerating device 4, is formed with between the lower tip of detection piece 3 and supporting seat 1 and detects chamber 5, and aerating device 4's one end just is used for aerifing in detecting chamber 5 with the cooperation of detection piece 3, and is concrete: when detecting, press down through outside drive arrangement drive clamping piece 2 and move for detect 3 and compress tightly on supporting seat 1, aerating device 4 is through filling nitrogen gas and then carrying out the gas tightness and detect in detecting chamber 5, and overall structure's setting is simple, and user operation uses convenience more, and is higher to the airtight detection precision that detects piece 3, can effectively guarantee excavator hydraulic pressure and connect the result of use and the life of pump casing in parallel.
Referring to fig. 2, 3 and 5, the pressing member 2 includes: bottom plate 201 and a plurality of depression bar assembly 202, a plurality of mounting hole 6 has been seted up on the bottom plate 201, the upper end of depression bar assembly 202 is passed through sleeve 212 and is set up in mounting hole 6, the upper end of sleeve 212 is formed with installation department 8, installation department 8 is arranged in mounting hole 6 in and is cooperated with mounting hole 6, the convenience is carried out the dismouting to depression bar assembly 202, can guarantee simultaneously that the space occupies fewly, the overall structure that compresses tightly a 2 is simplified, effectively reduce manufacturing cost, convenient subsequent change maintenance.
Referring to fig. 4 and 6, the strut assembly 202 further includes: the detection device comprises a connecting rod 222 and a pressing rod 232, wherein one end of the connecting rod 222 is arranged in the sleeve 212 in a sliding mode, an elastic part 7 is arranged between the lower end face of the sleeve 212 and the connecting rod 222, the pressing rod 232 is connected with the lower end of the connecting rod 222, and the pressing rod 232 is matched with the detection part 3.
Refer to and refer to fig. 1, fig. 3 and fig. 4, it is fixed to detect through threaded connection between 3's both sides and the supporting seat 1, through-hole 9 has been seted up on the supporting seat 1, one side of through-hole 9 and detection chamber 5 intercommunication, the opposite side and the outside gas recovery device intercommunication of through-hole 9, when carrying out gas tightness detection, it cuts off with the outside gas recovery device to detect chamber 5, so that can detect the casing, the back that finishes to detect, the gas that detects in the chamber 5 carries out recovery processing through the outside gas recovery device, can conveniently carry out the gas tightness detection more, guarantee to the gas tightness detection of the parallelly connected pump casing of excavator hydraulic pressure, overall structure sets up more rationally.
Referring to fig. 1, 3 and 7, the supporting seat 1 is provided with the mounting plate 10, the detection piece 3 is arranged on the mounting plate 10, the opening 11 is formed in one side of the mounting plate 10, the inflation device 4 is arranged on the opening 11 and is fixedly arranged on the supporting seat 1, the integral structure of the air tightness detection device of the hydraulic parallel pump shell of the excavator can be reasonably arranged, and the air tightness detection effect is better.
Thereby the gas tightness detection device of the parallelly connected pump case of excavator hydraulic pressure in this embodiment compresses tightly the piece and supporting seat through being provided with, thereby compress tightly the casing and realize that the gas tightness detects, holistic simple structure, the leakproofness that detects between piece and the supporting seat is better, make things convenient for the dismouting simultaneously, can effectively improve detection efficiency, can effectively guarantee to realize the gas tightness detection to the parallelly connected pump case of excavator hydraulic pressure, the precision that the gas tightness detected is higher, the gas tightness of casing detects the operation more convenient simultaneously.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides an air tightness detection device of parallelly connected pump casing of excavator hydraulic pressure which characterized in that includes: the detection device comprises a supporting seat (1) and a pressing piece (2), wherein the pressing piece (2) is arranged above the supporting seat (1), the pressing piece (2) corresponds to a detection piece (3) on the supporting seat (1), and the pressing piece (2) presses the detection piece (3) on the supporting seat (1) during detection; one side of supporting seat (1) is provided with aerating device (4), the lower tip that detects piece (3) with be formed with between supporting seat (1) and detect chamber (5), the one end of aerating device (4) with detect the cooperation of piece (3) and be used for to aerify in the detection chamber (5).
2. The airtightness detection apparatus for the hydraulic parallel pump housing of the excavator according to claim 1, wherein the pressing member (2) comprises: the pressure bar assembly comprises a bottom plate (201) and a plurality of pressure bar assemblies (202), wherein the bottom plate (201) is provided with a plurality of mounting holes (6), and the upper ends of the pressure bar assemblies (202) are arranged in the mounting holes (6) through sleeves (212).
3. The airtightness detection apparatus for the hydraulic parallel pump casing of the excavator according to claim 2, wherein said pressure lever assembly (202) further comprises: the detection device comprises a connecting rod (222) and a pressing rod (232), wherein one end of the connecting rod (222) is arranged in the sleeve (212) in a sliding mode, an elastic piece (7) is arranged between the lower end face of the sleeve (212) and the connecting rod (222), the pressing rod (232) is connected with the lower end of the connecting rod (222), and the pressing rod (232) is matched with the detection piece (3).
4. The airtightness detection apparatus for the hydraulic parallel pump housing of the excavator according to claim 2, wherein the sleeve (212) has a mounting portion (8) formed at an upper end thereof, and the mounting portion (8) is disposed in the mounting hole (6) to be engaged with the mounting hole (6).
5. The airtightness detection apparatus for the hydraulic parallel pump housing of an excavator according to claim 1, wherein both sides of the detection member (3) are fixed to the support base (1) by screw-fastening.
6. The airtightness detection device for the hydraulic parallel pump housing of the excavator according to claim 1, wherein a through hole (9) is formed in the support base (1), one side of the through hole (9) is communicated with the detection chamber (5), and the other side of the through hole (9) is communicated with an external gas recovery device.
7. The airtightness detection apparatus for the hydraulic parallel pump housing of the excavator according to claim 1, wherein a mounting plate (10) is provided on the support base (1), the detection member (3) is disposed on the mounting plate (10), an opening portion (11) is formed in one side of the mounting plate (10), and the inflator (4) is disposed on the opening portion (11) and is fixedly disposed on the support base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120460099.9U CN214309304U (en) | 2021-03-03 | 2021-03-03 | Air tightness detection device for hydraulic parallel pump shell of excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120460099.9U CN214309304U (en) | 2021-03-03 | 2021-03-03 | Air tightness detection device for hydraulic parallel pump shell of excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214309304U true CN214309304U (en) | 2021-09-28 |
Family
ID=77836277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120460099.9U Expired - Fee Related CN214309304U (en) | 2021-03-03 | 2021-03-03 | Air tightness detection device for hydraulic parallel pump shell of excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214309304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115655602A (en) * | 2022-12-27 | 2023-01-31 | 常州凯斯特制冷设备有限公司 | High-pressure air tightness detection device for heat exchange coil of air conditioner |
-
2021
- 2021-03-03 CN CN202120460099.9U patent/CN214309304U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115655602A (en) * | 2022-12-27 | 2023-01-31 | 常州凯斯特制冷设备有限公司 | High-pressure air tightness detection device for heat exchange coil of air conditioner |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210928 |
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| CF01 | Termination of patent right due to non-payment of annual fee |