CN2303944Y - Super-high-pressure hydraulic pump - Google Patents

Abstract

The utility model relates to a super-high-pressure hydraulic pump which is suitable for being used as the power source of various compression machines. The utility model is composed of an oil tank, a plunger pump body structure, an operating mechanism and a transmission mechanism, wherein, the plunger pump body structure is arranged in the oil tank, the operating mechanism and the transmission mechanism are arranged on the upper part of the oil tank, and the operating mechanism is composed of a handle, a gear, a screw, a screw sleeve, a sealing ring, an oil return screw plug, an oil outlet valve, a guide rod, a valve body, a spring, a steel ball, an oil inlet bolt, an oil filtering part, a safety device, etc. The utility model has the advantages of convenient operation, flexible use, stable and reliable quality, long service life, etc.

Description

The ultrahigh-pressure hydraulic pump

The utility model relates to a kind of ultrahigh-pressure hydraulic pump, is applicable to that various crimp tools are as power source.

Shortcomings such as oil hydraulic pump originally is because unreasonable structure, and it is big to exist the transmission noise, and plunger quality instability, working life are short.

The purpose of this utility model provides a kind of easy to operate, flexible, long service life and the reliable ultrahigh-pressure hydraulic pump of steady quality.

The utility model is made up of plunges pump body structure, the operating mechanism on fuel tank 48 tops and the driving mechanism of fuel tank 48 sides in fuel tank 48, the fuel tank 48, and operating mechanism is made up of handle 8, gear 10,59, screw rod 54,58, screw rod cover 55,60, seal ring 56,62, oil return screw plug 73, outlet valve 66,67, guide rod 70,74, valve body 11, spring 72,76, steel ball 71,75, oil- feed screw 77,79, oil strain parts and safety installations etc.Handle 8 is arranged on the gear 10, gear 10 and gear 59 engagements, and use screw 9 respectively, 57 are fixed on screw rod 54 and 58, screw rod 54,58 are contained in screw rod cover 55 respectively, in 60, screw rod 54,58 lower end surface and outlet valve 66,67 contacts, outlet valve 66,67 at screw rod cover 55, in 60, screw rod cover 55,60 are fixed on the valve body 11, and at screw rod cover 55,60 bottoms are provided with copper packing 68,69, screw rod 54,58 with screw rod cover 55,60 are provided with seal ring 56,62, guide rod 70,74, steel ball 71,75 and spring 72,76 are in contact with one another, and place in the valve body 11, guide rod 70,74 upper ends respectively with outlet valve 67,66 contacts, spring 72,76 respectively with oil- feed screw 77,79 contacts, oil- feed screw 77,79 and oil return screw plug 73 be separately fixed on the valve body 11, safety installations is fastened in the hole of valve body 11, the oil strain parts are fixed on valve body 11 sides.

Below in conjunction with accompanying drawing the utility model is further described below.

Shape assumption diagram when Fig. 1 makes pumping plant for the utility model.

Fig. 2 is transmission of the present utility model, plunges pump body mechanism structure figure.

Fig. 3 is the left view of Fig. 2.

Fig. 4 is the A-A sectional view of Fig. 2.

Fig. 5 is the middle body 23 of plunges pump body mechanism and the decomposition chart of body 28.

Fig. 6 is an operating mechanism structural drawing of the present utility model.

Fig. 7 is the left TV structure figure of Fig. 6.

Fig. 8 is the utility model operating mechanism decomposition chart.

Fig. 9 is the utility model and press-connection machine connection diagram.

Driving mechanism of the present utility model is made up of input shaft belt wheel 14, input shaft 16, big small gear 41,19, bearing 17,21,37, oil sealing 15, bearing cap 22 and gear box cover 35 etc.Small gear 19 is fixed on the input shaft 16, and small gear 19 both sides on the input shaft 16 are provided with bearing 17,21, and bearing 17 is in gear box cover 35, and bearing 21 is in bearing cap 22, and bearing cap 22 is fixed on side plate 34 inboards of fuel tank 48.Input shaft 16 seals with oil sealing 15 with input shaft bore, and input shaft 16 the other ends are equipped with input shaft belt wheel 14.Small gear 19 is separated with lining ring 18,20 respectively with bearing 17,21, gearwheel 41 is installed on the wobbler shaft 38 and with small gear 19 and meshes, one end of wobbler shaft 38 is equipped with bearing 37, and bearing 37 is connected in the gear box cover 35, bearing 37 is separated with gearwheel 41 usefulness lining rings 39, and gear box cover 35 usefulness screws 36 are fixed on the side plate 34 of fuel tank 48.

Safety installations of the present utility model is made up of safety valve pocket 53, emergency valve nut 51, screw 52, spring 13, valve seat 81 and needle-valve 80 etc., needle-valve 80, spring 13, screw 52 place in the safe valve pocket 53, the bottom of safe valve pocket 53 contacts with valve seat 81, safe valve pocket 53 is fastened on the valve body 11,11 of valve seat 81 of its underpart and valve bodies have copper packing 82, and emergency valve nut 51 is arranged at safe valve pocket 53 tops.The oil strain parts are made up of oil strain cover 63,85, oil filter element 64, oil filter element and copper packing 65, copper packing, and oil filter element 64, oil filter element and contact with copper packing 65, copper packing in oil strain cover 63,85, and oil strain overlaps 63,85 and is separately fixed on valve body 11 sides with screw thread.Oil strain cover 63,85 outer ends are used to connect hydraulic oil pipe 83,2, and the other end communicates spill port 61, oil circuit 78,6 connections with valve body 11 and guide rod 70, valve body 11 with cavity between the guide rod 74 respectively.

Plunges pump body of the present utility model mechanism is by body 28, plunger part, oil purifier 32, oil cleaner screen, delivery connection 29, cover 30, wobbler shaft 38, platen 43, bearing 25,26,40, compositions such as oil sealing 24 and middle body 23, delivery connection 29 places body 28 tops, plunger part places in the body 28 sidepiece holes, the one end contacts with platen 43, platen 43 kinks are on wobbler shaft 38, one direction thrust bearing 26,25 are installed in respectively on platen 43 and wobbler shaft 38 and wobbler shaft 38 and the middle body 23, one end of wobbler shaft 38 is enclosed within 30, cover 30 is arranged in the body 28, the other end penetrates in the bearing 40, oil sealing 24 and bearing 40 are enclosed within on the wobbler shaft 38 and are arranged in two sides of middle body 23, middle body 23 1 sides are connected with body 28, opposite side is fixed on the side plate 34 of fuel tank 48, oil cleaner screen is on oil purifier 32, and oil purifier 32 is fixed on a side of body 28.Plunger part is made up of oil sucting valve 49, plunger bushing 47, spring 45, spring seat 44 and plunger 46, spring 45 is enclosed within on the plunger bushing 47, and its two ends contact with spring seat 44 with body 28 respectively, and spring seat 44 is enclosed within on the plunger 46, plunger 46 is in plunger bushing 47, and plunger 46 end faces contact with platen 43.Plunger part has 5 on body 28,5 plunger parts are communicated with oil circuit 33.Oil purifier 32 is fixed on a side of body 28 by screw 31, and a side of middle body 23 is connected with body 28 usefulness screws 27, and opposite side is fixed on the side plate 34 of fuel tank 48 with screw 42.

When the utility model uses, be placed on the underframe 50, motor 1 is installed on the planker 4, planker 4 is installed on the planker seat 3, the end that spirit alive and screw mandrel 5, screw mandrel 5 are housed in the bottom of planker 4 is equipped with handwheel 7, planker seat 3 is installed on the underframe 50, and electrical machine belt pulley inserts input shaft belt wheel 14 through line belt.Pressure gauge 12 places on the fuel tank 48, and pressure gauge 12 and oil-feed screw 79 are connected by pipeline, and delivery connection 29 is connected with oil-feed screw 77 by pipeline, and oil pipe 2 connects the chamber of boosting of press-connection machines 84, and oil pipe 83 connects the pressure-releasing cavity of press-connection machines 84.

When using the utility model, operator elder generation starting electrical machinery 1, drive input shaft 16 by electrical machine belt pulley by input shaft belt wheel 14, driving wobbler shaft 38 by the 19 engagement gearwheels 41 of the small gear on the input shaft 16 rotates, under the effect of one direction thrust bearing 25,26 and platen 43, five plungers 46 reciprocating pump oil in five plunger bushings 47.Hydraulic oil in the fuel tank 48 enters the oil circuit 33 in the body 28 and arrives delivery connection 29 through oil cleaner screen on the oil purifier 32 and oil sucting valve 49, and delivery connection 29 connects oil-feed screw 77, and pressure gauge 12 connects oil-feed screw 79 and enters into valve body 11 respectively.When operator rotate 45 ° with handle 8 clockwise directions, gear 10 drives screw rod 54 and rotates, close outlet valve 66 by screw rod 54, back down guide rod 74 and steel ball 75 by outlet valve 66, hydraulic oil enters the cavity of 74 of valve body 11 and guide rods from oil-feed screw 77, from oil filter element 64, oil strain cover 63, oil pipe 2 to the chamber of boosting of press-connection machine 84.Simultaneously because gear 10 is a counter-rotation with gear 59, hydraulic oil in this moment press-connection machine 84 pressure-releasing cavities by oil pipe 83, oil strain cover 85, oil filter element to the cavity of 70 of valve body 11 and guide rods, under the pressure of spring 72, steel ball 71 seals up filler opening, hydraulic oil can only be got back to the fuel tank 48 from oil return screw plug 73 through outlet valve 67, the spill port 61,6 opened.When operator rotate counterclockwise 45 ° with handle 8, drive screw rod 58 by gear 59 and close outlet valve 67, back down guide rod 70, steel ball 71, hydraulic oil through the cavity of 70 of valve body 11 and guide rods to oil filter element, oil strain cover 85, oil pipe 83 is in the pressure-releasing cavity of press-connection machine 84, this moment press-connection machine 84 boost hydraulic oil in the chamber by oil pipe 2, oil strain cover 63, oil filter element 64 to valve body 11, get back in the fuel tank 48 through outlet valve 66, spill port 61,6 oil return screw plugs 73.When handle 8 during in the neutral position, because the effect of spring 72 and 76, steel ball 71 and 75 cuts out two filler openings simultaneously, hydraulic oil can only be from oil circuit 78 to valve seat 81 and pressure gauge 12, when surpassing rated working pressure, needle-valve 80 in the safe valve pocket 53 will be opened, and hydraulic oil is got back to the fuel tank 48 from oil return screw plug 73 through safety valve pocket 53, spill port 61,6.

The utility model has solved the shortcoming that oil hydraulic pump exists effectively owing to adopted said structure, reaches easy to operate, flexible, long service life and the reliable effect of steady quality.

Claims (3)

1, a kind of ultrahigh-pressure hydraulic pump, by fuel tank (48), plunges pump body structure in the fuel tank (48), the driving mechanism of the operating mechanism on fuel tank (48) top and fuel tank (48) side is formed, and it is characterized in that operating mechanism is by handle (8), gear (10), (59), screw rod (54), (58), screw rod cover (55), (60), seal ring (56), (62), oil return screw plug (73), outlet valve (66), (67), guide rod (70), (74), valve body (11), spring (72), (76), steel ball (71), (75), oil-feed screw (77), (79), compositions such as oil strain parts and safety installations.Handle (8) is arranged on the gear (10), gear (10) and gear (59) engagement, and use screw 9 respectively, 57 are fixed on screw rod (54) and (58), screw rod (54), (58) be contained in screw rod cover (55) respectively, (60) in, screw rod (54), (58) lower end surface and outlet valve (66), (67) contact, outlet valve 66, (67) in screw rod cover (55), (60) in, screw rod cover (55), (60) be fixed on the valve body (11), and in screw rod cover (55), (60) bottom is provided with copper packing (68), (69), screw rod (54), (58) with screw rod cover (55), seal ring (56) is set (60), (62), guide rod (70), (74), steel ball (71), (75) and spring (72), (76) be in contact with one another, and place in the valve body (11), guide rod (70), (74) upper end respectively with outlet valve (67), (66) contact, spring (72), (76) respectively with oil-feed screw (77), (79) contact, oil-feed screw (77), (79) and oil return screw plug (73) be separately fixed on the valve body (11), safety installations is fastened in the hole of valve body (11), and the oil strain parts are fixed on valve body (11) side.

2, ultrahigh-pressure hydraulic pump according to claim 1, it is characterized in that safety installations is made up of safety valve pocket (53), emergency valve nut (51), screw (52), spring (13), valve seat (81) and needle-valve (80) etc., needle-valve (80), spring (13), screw (52) place in the safe valve pocket (53), the bottom of safe valve pocket (53) contacts with valve seat (81), safe valve pocket (53) is fastened on the valve body (11), between valve seat of its underpart (81) and valve body (11) copper packing (82) is arranged, emergency valve nut (51) is arranged at safe valve pocket (53) top.

3, ultrahigh-pressure hydraulic pump according to claim 1, it is characterized in that the oil strain parts are made up of oil strain cover (63), (85), oil filter element (64), oil filter element and copper packing (65), copper packing, oil filter element (64), oil filter element are in oil strain cover (63), (85), and contact with copper packing (65), copper packing, oil strain cover (63), (85) are separately fixed on valve body (11) side with screw thread.

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