CN103072920A - Oil pressure elevation device for carrying and transporting vehicle parts - Google Patents
Oil pressure elevation device for carrying and transporting vehicle parts Download PDFInfo
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- CN103072920A CN103072920A CN2013100009092A CN201310000909A CN103072920A CN 103072920 A CN103072920 A CN 103072920A CN 2013100009092 A CN2013100009092 A CN 2013100009092A CN 201310000909 A CN201310000909 A CN 201310000909A CN 103072920 A CN103072920 A CN 103072920A
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Abstract
The invention discloses an oil pressure elevation device for carrying and transporting vehicle parts, and the oil pressure elevation device comprises a hydraulic part, a load moving car and a load bracket assembly, the hydraulic part is provided with an oil suction oil path system, an oil pressing oil path system, a high-pressure oil releasing oil path system, an oil storage cavity, an outer sleeve assembly, a pump body assembly, an oil cylinder piece, a movable oil cylinder rod, a radial unrestraint large piston head, a small piston rod, a radial unrestraint small piston head, a top cap assembly, a guide ring, a lower guide protection pad, an upper guide protection pad, a steel wire retainer ring for a hole, a high-pressure choke plug assembly, an oil chamber oil plug, a pump oil pedal assembly, a pressure oil releasing operating assembly and a control rod installation frame; the load moving car is provided with an upper hoop, a lower hoop, a connecting rod, a universal wheel and a moving car control rod; and the load bracket assembly is provided with a calibration mechanism, a supporting plate, a first binding chain part and a second binding chain part. By optimizing the combination of all parts, the stability and safety for carrying and transporting heavy objects can be effectively guaranteed, and the manufacturing cost can be reduced.
Description
Technical field
The invention belongs to the oil pressure elevating equipment that is exclusively used in the dismounting vitals in the automotive servicing maintenance, but particularly belong to a kind of both jackings vehicle part, its contained object steadily can be transferred to safely again the oil pressure elevating equipment of special workplace.
Background technology
In the specialized maintenance maintenance of all kinds of power actuated vehicles, traditional mode of operation is: make a concerted effort they to be taken out or be transferred to the designated area by forklift class rolling cart to lift by crane again equipment hangs out them from car body after after the change speed gear box in will parking cars, driving engine, freeing pipe etc. remove the device that is fixedly connected or with everybody worker, this is very effort and a not bery safe thing really.After each power actuated vehicle maintenance company has been equipped with planer-type or frame-type vehicle lift successively, a certain suitable height and position lifted very steadyly and is locked in by vehicle to be safeguarded by such lifting machine, and then provides good place and service conditions for the maintenance activity personnel lightheartedly are operated in the vehicle bottom below.Yet, this skyborne vehicle of being draped is implemented the parts dismounting or installed no matter be after the associated components of tool constant weight and the joint piece between car body (such as fastener) are removed or between with associated components and car body before the fastening connection behind the location, the capital is in the bad border of uncertain safety maintenance process owing to there is the potential danger of accidental falling in these parts, that is to say, the operator in the tense working might accidentally make the above-mentioned parts that shed the fasteners such as fastening bolt fall and the initiation machine is ruined the major accident that the people hinders, the people dies.Given this, the safety that people begin to seek in this process is supported, and yoke that some usefulness is firm is preset at the below for the treatment of the dismounting parts, but it is larger to take up room, and the personnel of hindering one's work put trick to good use; The jack up unit of then original hydraulic jack being made heightening type that has is treated the dismounting vehicle part to do to support.This case applicant thinks that the method Taiyuan of presetting with yoke begins, and need not to remake technical discussion, for the suggestion of then holding different views as the mode of insurance supporting vehicle component or proposing change simply to increase the high type hydraulic jack that is designed at present.
Above-mentionedly increase the hydraulic lift that is made generally before withstanding such as the vehicle at driving engine place behind the sedan-chair frame with the traditional vertical hydraulic jack, also can implement to carry the dismounting of the fastener of the ingot beam of driving engine and vehicle body, but this hydraulic lift under vehicle parts condition often because its oil cylinder and piston rod are very long, framing member working accuracy own cause not the jack or in the jacking process, occur under the heavy duty make progress jiggly great-jump-forward creep or occur in up the retardance phenomenon or when going upward to the higher position, the axial line of top article carrying piece center of gravity substantial deviation jack appears and the precarious position that may cause toppling.
In view of the defective of above-mentioned prior art, this case applicant is optimized design to described hydraulic lifting equipment, the new technical scheme that hereinafter will introduce with further formation.
Summary of the invention
Task of the present invention is to provide a kind of oil pressure elevating equipment that has jacking and moving vehicle parts concurrently, combination solves the axial line of above-mentioned top article carrying piece center of gravity substantial deviation hydraulic ram and the machinery in the lifting process thereof the strength phenomenon of spraining, and makes it to have removable by the structural form of top article carrying piece.
Above-mentioned purpose of the present invention is achieved in that a kind of oil pressure elevating equipment for carrying and transport vehicle part, comprise hydraulic unit, load Trolley and load bracket assembly, hydraulic unit has the oil suction line system, the force feed oil piping system, high pressure oil discharges oil piping system, shoe cream room, outer jacket member, pump assembly, oil cylinder spare, the Shift cylinder bar, radially without the large piston head of constraint, small piston rod, radially without constraint valve piston head, top cap assembly, guide ring, lower guiding protection pad, upper guiding protection pad, the hole elastic spring, the high pressure cock component, grease chamber's oil is stifled, the pump oil foot is stepped on assembly, hold-off pressure oil operating assembly, the control stalk erecting frame; The load Trolley has upper anchor ear, lower anchor ear, the first link rod, the second link rod, the 3rd link rod, four-bar linkage, the first cardan wheel, the second cardan wheel, the 3rd cardan wheel, the 4th cardan wheel, Trolley control stalk; The load bracket assembly has correcting mechanism, supporting plate, the first bondage chain part and the second bondage chain part.
Wherein, the oil suction line system of described hydraulic unit comprises: the Dustproof pipe that is fixed on the first base and is arranged in shoe cream room is communicated with the first oil suction line; The 3rd oil suction line one end that is arranged in the second base is connected with the second oil suction line, and implement described two oil circuits in the sealing of the fluid at two face of joint places with sealing member, the other end section of the 3rd oil suction line is communicated with the oil pump chamber of pump assembly after being connected to oil sucting one-way valve; Cylindrical hole forms mobile revolute pair in the pump core outside cylinder of the enforcement axis hole free-running fit in the pump assembly and the pump housing.
Wherein, the force feed oil piping system of described hydraulic unit comprises: the upper end that is arranged at the first force feed oil circuit on the second base is communicated with the oil pump chamber, the lower end of the first force feed oil circuit is provided with the force feed check valve, and the valve steel ball of this force feed check valve is kept the closure of the normality of force feed check valve by the Compress Spring that is fixedly arranged on its below, the cavity volume that holds Compress Spring is communicated to the 3rd force feed oil circuit that is arranged on the first base until the oil cylinder working oil chamber through the second force feed oil circuit, and described the second force feed oil circuit and the 3rd force feed oil circuit face of joint place is implemented the side seal of high pressure oil with edge face sealing member.Implement fixed connection by the first fastening assembly between the first base and the second base.
Wherein, the release oil piping system of the high pressure oil of described hydraulic unit comprises: make hold-off pressure oil operating assembly and the second base implement to connect firmly with the second fastening assembly; Be provided with first oil return circuit and the fuel-return valve straight-through with the cavity volume of Compress Spring at the second base, the fuel-return valve right side is oil return valve rod fitting-type chamber, the axis hole of implementing the left end section outside cylinder of oil return valve rod and oil return valve rod fitting-type chamber with the fuel-return valve O-ring seals moves the fluid sealing between revolute pair, oil return valve rod middle part is provided with the shaft shoulder of the spring force that transmits the fuel-return valve stage clip, the first step pore volume that arranges in hold-off pressure oil operating assembly is received fuel-return valve stage clip and contain section part among the oil return valve rod of the shaft shoulder, the second step hole that arranges passes for the oil return valve rod, right-hand member section at the oil return valve rod, and axial line is vertically installed with the pull bar lateral pin with it, in hold-off pressure oil operating assembly, hinge axis is set, implements the oil return treadle and connect with rotation between the hinge axis; Oil return valve rod fitting-type chamber the second oil return circuit is communicated with the 3rd oil suction line, and is communicated to shoe cream room through the second oil suction line, the first oil suction line, Dustproof pipe.
Wherein, described pump assembly has comprised: automatically oil suction stage clip, sleeve pipe, stage clip cap, briquetting, implement the holding screw that briquetting and pump core are connected firmly.
Wherein, the lower portion of described hydraulic unit is provided with and steps on the assembly flap with the first pump oil foot of outer jacket member welding and the second pump oil foot is stepped on the assembly flap.
Wherein, the pump oil foot is stepped on assembly and is implemented kinematic mechanism in the rotation connection at each turning cylinder place with the first revolute pair, the second revolute pair, the 3rd revolute pair.
Wherein, at high pressure cock component position with the first screw thread good fortune implement high pressure silently with being fixedly connected of Shift cylinder bar, high pressure silently interior cylindrical hole and the outside cylinder of small piston rod to form moving rotating moving secondary, and between the axle of described hole, be provided with dust ring and dynamic sealing assembly silently; Silently be provided with high pressure static seal O-ring seals between the interior cylindrical hole of the outside cylinder of bottom and Shift cylinder bar at high pressure, high pressure lower end section silently is positioned at Shift cylinder bar working oil chamber.
Wherein, forming the hole shaft clearance between the interior stepped hole of the upper end section of oil cylinder spare and the lower guiding protection pad outside cylinder that is provided with successively, guide ring outside cylinder, the upper guiding protection pad outside cylinder cooperates; The interior cylindrical hole of the interior cylindrical hole of described lower guiding protection pad, the interior cylindrical hole of guide ring, upper guiding protection pad is implemented respectively to cooperate with the hole shaft clearance of the outside cylinder of Shift cylinder bar; And be provided with the hole elastic spring at place, the aperture, nearly upper end of oil cylinder spare.
Wherein, top cap assembly is implemented the tight joint of top cap head and oil cylinder spare with the second screw thread good fortune, and realizes simultaneously the tightening sealing of top cap head and outer jacket member upper surface; Crown cap static seal O shape circle is set between oil cylinder spare upper end outside cylinder and the large endoporus of top cap head; Crown cap dynamic seal O shape coil assembly and top cap head dust ring are set between the outside cylinder of the top little endoporus of cap head upper end section and Shift cylinder bar.
Wherein, radially without the tight joint of constraint valve piston head with the enforcement of the 3rd screw thread pair and small piston rod; The interior cylindrical hole of Shift cylinder bar and radially be provided with the first circular clearance between the large outside cylinder without constraint valve piston head; Radially without the tight joint of the large piston head of constraint with the enforcement of the 4th screw thread pair and Shift cylinder bar lower end section; Radially the axial line place without the large piston head of constraint is provided with oil through; The interior cylindrical hole of oil cylinder spare and radially without the constraint large piston head large outside cylinder between be provided with the second circular clearance.
The beneficial effect that the present invention compared with prior art has is: owing to optimally having made up each parts, especially the circular clearance design of not adopting hermetically-sealed construction that between each piston head and relevant oil cylinder inner wall, forms and at the interior stepped hole and the lower guiding protection pad outside cylinder that is provided with successively of the upper end section of oil cylinder spare, the guide ring outside cylinder, forming the hole shaft clearance between the upper guiding protection pad outside cylinder cooperates, the interior cylindrical hole of lower guiding protection pad, the interior cylindrical hole of guide ring, the particular design that the interior cylindrical hole of upper guiding protection pad cooperates with the hole shaft clearance of the outside cylinder of Shift cylinder bar has ensured effectively that for this oil pressure elevating equipment the top loads does not depart from the steady safety of axial line and the lifting process of this equipment when the extreme higher position, has also reduced preferably manufacturing cost simultaneously.
Description of drawings
The description of drawings of embodiment:
Figure 1 shows that the block diagram of embodiment of the invention hydraulic unit;
Figure 2 shows that the block diagram at another visual angle of embodiment of the invention hydraulic unit;
Figure 3 shows that the axial cutaway view of the present embodiment on Fig. 1;
Figure 4 shows that the birds-eye view of the present embodiment on Fig. 1;
Figure 5 shows that the partial enlarged drawing I of the present embodiment on Fig. 3;
Figure 6 shows that the present embodiment " A-A " part sectional view on Fig. 4;
Figure 7 shows that the partial enlarged drawing ∏ of the present embodiment on Fig. 3;
Figure 8 shows that the partial enlarged drawing Ш of the present embodiment on Fig. 3;
Figure 9 shows that the partial enlarged drawing IV of the present embodiment on Fig. 3;
Figure 10 shows that the front view of the whole oil pressure elevating equipment of the present embodiment;
Figure 11 shows that the block diagram of the present embodiment oil pressure elevating equipment complete machine;
Figure 12 shows that the rear perspective view of the relative Figure 11 of the present embodiment.
Parts shown in each label of accompanying drawing and relevant geometric element title are as follows:
1 shoe cream room, 2 outer jacket members, 3 oil cylinder spares, 4 Shift cylinder bars, 5 radially without the large piston head of constraint, 6 small piston rods, 7 radially without constraint valve piston head, 8 top cap assemblies, 9 guide rings, 10 times guiding protection pads, the protection pad that leads on 11,12 hole elastic springs, 13 high pressure cock components, 14 grease chambeies oil is stifled, 15 hydraulic units, 16 load Trolleys, 17 pump oil foots are stepped on assembly, 18 hold-off pressures oil operating assembly, anchor ear on 19,20 times anchor ears, 21 first link rods, 22 second link rods, 23 the 3rd link rods, 24 four-bar linkage, 25 first cardan wheels, 26 second cardan wheels, 27 the 3rd cardan wheels, 28 the 4th cardan wheels, 29 load bracket assemblies, 30 correcting mechanisms, 31 supporting plates, 32 first bondage chain parts, 33 second bondage chain parts, 34 Trolley control stalks, 35 control stalk erecting frames, 36 pump assemblies, 37 Dustproof pipes, 38 first oil suction lines, 39 second oil suction lines, 40 first bases, 41 second bases, 42 the 3rd oil suction lines, 43 sealing members, 44 oil sucting one-way valves, 45 oil pump chambeies, 46 pump cores, 47 pump housings, 48 first force feed oil circuits, 49 force feed check valves, 50 Compress Springs, 51 second force feed oil circuits, 52 the 3rd force feed oil circuits, 53 edge face sealing members, 54 oil cylinder working oil chambers, 55 fuel-return valves, 56 oil return valve rod fitting-type chambeies, 57 first fastening assemblies, 58 second fastening assemblies, 59 oil return valve rods, 60 first oil return circuits, 61 fuel-return valve O-ring seals, 62 fuel-return valve stage clips, 63 shaft shoulders, 64 first step holes, 65 second step holes, 66 pull bar lateral pins, 67 oil return treadles, 68 hinge axis, 69 second oil return circuits, 70 automatic oil suction stage clips, 71 briquettings, 72 sleeve pipes, 73 stage clip caps, 74 holding screws, 75 first pump oil foots are stepped on the assembly flap, 76 second pump oil foots are stepped on the assembly flap, 77 first revolute pairs, 78 second revolute pairs, 79 the 3rd revolute pairs, 80 dust rings, 81 dynamic sealing assemblies silently, 82 first screw thread good fortune, 83 high pressure static seal O-ring seals, 84 high pressure silently, 85 Shift cylinder bar working oil chambers, 86 second screw thread good fortune, 87 top cap heads, 88 top cap static seal O shape circles, 89 top cap dynamic seal O shape coil assemblies, 90 top cap head dust rings, 91 the 3rd screw thread pairs, 92 first circular clearances, 93 the 4th screw thread pairs, 94 oil throughs, 95 second circular clearances
The specific embodiment
The invention will be further described below in conjunction with the accompanying drawing of embodiment, to help the public to the understanding of this case technology contents and effect, but the description of embodiment is not consisted of restriction to the technical program, any category that only all should be considered as this case technical scheme for pro forma equivalent transformation of having done according to this case design.
By each accompanying drawing as seen, the embodiment of the invention is as the basis take traditional hoisting jack, optimally made up by hydraulic unit 15, the technical scheme of load Trolley 16 and the load bracket assembly 29 Trinitarian embodiment of the invention, hydraulic unit 15 has the oil suction line system, the force feed oil piping system, high pressure oil discharges oil piping system, shoe cream room 1, outer jacket member 2, pump assembly 36, oil cylinder spare 3, Shift cylinder bar 4, radially without the large piston head 5 of constraint, small piston rod 6, radially without constraint valve piston head 7, top cap assembly 8, guide ring 9, lower guiding protection pad 10, upper guiding protection pad 11, hole elastic spring 12, high pressure cock component 13, grease chamber's oil stifled 14, the pump oil foot is stepped on assembly 17, hold-off pressure oil operating assembly 18, control stalk erecting frame 35; The load Trolley 16 that can conveniently transport institute's top loads has upper anchor ear 19, lower anchor ear 20, the first link rod 21, the second link rod 22, the 3rd link rod 23, four-bar linkage 24, the first cardan wheel 25, the second cardan wheel 26, the 3rd cardan wheel 27, the 4th cardan wheel 28 and can be by easily with the Trolley control stalk 34 of manual mode sliding motor-car; Load bracket assembly 29 has can be laborsaving and regulate safely and fixedly correcting mechanism 30, supporting plate 31, the first bondage chain part 32 and the second bondage chain part 33 of weight center-of-gravity position.Wherein, forming the hole shaft clearance between the interior stepped hole of the upper end section of oil cylinder spare 3 and lower guiding protection pad 10 outside cylinder that are provided with successively, guide ring 9 outside cylinder, upper guiding protection pad 11 outside cylinder cooperates, the interior cylindrical hole of the interior cylindrical hole of described lower guiding protection pad 10, the interior cylindrical hole of guide ring 9, upper guiding protection pad 11 is implemented respectively to cooperate with the hole shaft clearance of the outside cylinder of Shift cylinder bar 4, and be provided with the hole at place, the aperture, nearly upper end of oil cylinder spare 3 with elastic spring 12, so structure can be amplified the longitudinal register length between top cap head 87 and the Shift cylinder bar 4 effectively; Radially without the tight joint of the large piston head 5 of constraint with 93 enforcements of the 4th screw thread pair and Shift cylinder bar 4 lower end sections; Radially the axial line place without the large piston head 5 of constraint is provided with oil through 94; The interior cylindrical hole of oil cylinder spare 3 and radially without the constraint large piston head 5 large outside cylinder between be provided with the second circular clearance 95; Radially without the tight joint of constraint valve piston head 7 with 91 enforcements of the 3rd screw thread pair and small piston rod 6; The interior cylindrical hole of Shift cylinder bar 4 and radially be provided with the first circular clearance 92 between the large outside cylinder without constraint valve piston head 7; The design that breaks traditions of the structural elements such as described the first circular clearance 92 and the second circular clearance 95 directly arranges the pattern of high pressure sealing herein, fundamentally avoided this kind equipment cause owing to oil cylinder spare, piston rod are very long related components straightness accuracy, conventional piston head or the strength of spraining between piston rod cylindrical and oil cylinder or top cap head inwall that the right alignment relatively large deviation causes appear, move not smooth; The Dustproof pipe 37 that is fixed on the first base 40 and is arranged in shoe cream room 1 that arranges in the oil suction line system of hydraulic unit 15 is communicated with the first oil suction line 38, the 3rd oil suction line 42 1 ends that are arranged in the second base 41 are connected with the second oil suction line 39, and with the fluid sealing of described two oil circuits of sealing member 43 enforcements at two face of joint places, the other end section of the 3rd oil suction line 42 is communicated with the oil pump chamber 45 of pump assembly 36 after being connected to oil sucting one-way valve 44; Pump core 46 outside cylinder of the enforcement axis hole free-running fit in the pump assembly 36 and the pump housing 47 interior cylindrical holes form mobile revolute pair; The upper end that is arranged at the first force feed oil circuit 48 on the second base 41 in the force feed oil piping system of hydraulic unit 15 is communicated with oil pump chamber 45, the lower end of the first force feed oil circuit 48 is provided with force feed check valve 49, and the valve steel ball of this force feed check valve 49 is kept the closure of the normality of force feed check valve 49 by the Compress Spring 50 that is fixedly arranged on its below, the cavity volume that holds Compress Spring 50 is communicated to the 3rd force feed oil circuit 52 that is arranged on the first base 40 until oil cylinder working oil chamber 54 through the second force feed oil circuit 51, and implements the side seal of high pressure oil with 53 pairs of described the second force feed oil circuits 51 of edge face sealing member and the 3rd force feed oil circuit 52 face of joint places.Implement fixed connection by the first fastening assembly 57 between the first base 40 and the second base 41; In the release oil piping system of the high pressure oil of hydraulic unit 15: with the second fastening assembly 58 hold-off pressure oil operating assembly 18 and 41 enforcements of the second base are connected firmly, be provided with first oil return circuit 60 and the fuel-return valve 55 straight-through with the cavity volume of Compress Spring 50 at the second base 41, fuel-return valve 55 right sides are oil return valve rod fitting-type chamber 56, the axis hole of implementing the left end section outside cylinder of oil return valve rods 59 and oil return valve rod fitting-type chamber 56 with fuel-return valve O-ring seals 61 moves the fluid sealing between revolute pair, oil return valve rod 59 middle parts are provided with the shaft shoulder 63 of the spring force that transmits fuel-return valve stage clip 62, the first step hole 64 that arranges in hold-off pressure oil operating assembly 18 holds fuel-return valve stage clip 62 and contains section part among the oil return valve rod 59 of the shaft shoulder 63, the second step hole 65 that arranges passes for oil return valve rod 59, right-hand member section at oil return valve rod 59, and axial line is vertically installed with pull bar lateral pin 66 with it, in hold-off pressure oil operating assembly 18, hinge axis 68 is set, implementing oil return treadle 67 connects with rotation between the hinge axis 68, oil return valve rod fitting-type chamber 56 is communicated with the 3rd oil suction line 42 through the second oil return circuit 69, and through the second oil suction line 39, the first oil suction line 38, Dustproof pipe 37 is communicated to shoe cream room 1; The holding screw 74 that in pump assembly 36, is provided with automatic oil suction stage clip 70, sleeve pipe 72, stage clip cap 73, briquetting 71 and briquetting 71 and pump core 46 are connected firmly; The lower portion of hydraulic unit 15 is provided with steps on assembly flap 75 with the first pump oil foot of outer jacket member 2 welding and the second pump oil foot is stepped on assembly flap 76; The pump oil foot is stepped on assembly 17 and is implemented kinematic mechanism in the rotation connection at each turning cylinder place with the first revolute pair 77, the second revolute pair 78, the 3rd revolute pair 79; At high pressure cock component 13 positions with the first screw thread good fortune 82 implement high pressure silently 84 with being fixedly connected of Shift cylinder bar 4, high pressure silently the outside cylinder of 84 interior cylindrical hole and small piston rod 6 to form moving rotating moving secondary, and between the axle of described hole, be provided with dust ring 80 and dynamic sealing assembly 81 silently; Silently be provided with high pressure static seal O-ring seals 83 between the interior cylindrical hole of the outside cylinder of 84 bottoms and Shift cylinder bar 4 at high pressure, high pressure silently 84 lower end section is positioned at Shift cylinder bar working oil chamber 85; Top cap assembly 8 is implemented the tight joint of top cap head 87 and oil cylinder spare 3 with the second screw thread good fortune 86, and realizes simultaneously the tightening sealing of top cap head and outer jacket member 2 upper surfaces; Crown cap static seal O shape circle 88 is set between oil cylinder spare 3 upper end outside cylinder and top cap head 87 large endoporus; Crown cap dynamic seal O shape coil assembly 89 and top cap head dust ring 90 are set between the outside cylinder of the top little endoporus of cap head 87 upper end section and Shift cylinder bar 4.
Claims (11)
1. oil pressure elevating equipment that is used for carrying and transports vehicle part, be characterised in that and comprise hydraulic unit (15), load Trolley (16) and load bracket assembly (29), hydraulic unit (15) has the oil suction line system, the force feed oil piping system, high pressure oil discharges oil piping system, shoe cream room (1), outer jacket member (2), pump assembly (36), oil cylinder spare (3), Shift cylinder bar (4), radially without constraint large piston head (5), small piston rod (6), radially without constraint valve piston head (7), top cap assembly (8), guide ring (9), lower guiding protection pad (10), upper guiding protection pad (11), hole elastic spring (12), high pressure cock component (13), grease chamber's oil stifled (14), the pump oil foot is stepped on assembly (17), hold-off pressure oil operating assembly (18), control stalk erecting frame (35); Load Trolley (16) has upper anchor ear (19), lower anchor ear (20), the first link rod (21), the second link rod (22), the 3rd link rod (23), four-bar linkage (24), the first cardan wheel (25), the second cardan wheel (26), the 3rd cardan wheel (27), the 4th cardan wheel (28), Trolley control stalk (34); Load bracket assembly (29) has correcting mechanism (30), supporting plate (31), the first bondage chain part (32) and the second bondage chain part (33).
2. carrying according to claim 1 and transport the oil pressure elevating equipment of vehicle part, be further characterized in that: the oil suction line system of described hydraulic unit (15) comprising: the Dustproof pipe (37) that is fixed on the first base (40) and is arranged in shoe cream room (1) is communicated with the first oil suction line (38); The 3rd oil suction line (42) one ends that are arranged in the second base (41) are connected with the second oil suction line (39), and with the fluid sealing of described two oil circuits of sealing member (43) enforcement at two face of joint places, the other end section of the 3rd oil suction line (42) is communicated with the oil pump chamber (45) of pump assembly (36) after being connected to oil sucting one-way valve (44); Pump core (46) outside cylinder of the enforcement axis hole free-running fit in the pump assembly (36) and the interior cylindrical hole of the pump housing (47) form mobile revolute pair.
3. carrying according to claim 1 and transport the oil pressure elevating equipment of vehicle part, be further characterized in that: the force feed oil piping system of described hydraulic unit (15) comprising: the upper end that is arranged at the first force feed oil circuit (48) on the second base (41) is communicated with oil pump chamber (45), the lower end of the first force feed oil circuit (48) is provided with force feed check valve (49), and the valve steel ball of this force feed check valve (49) is kept the closure of the normality of force feed check valve (49) by the Compress Spring (50) that is fixedly arranged on its below, the cavity volume that holds Compress Spring (50) is communicated to the 3rd force feed oil circuit (52) that is arranged on the first base (40) until oil cylinder working oil chamber (54) through the second force feed oil circuit (51), and with the side seal of edge face sealing member (53) to described the second force feed oil circuit (51) and the 3rd force feed oil circuit (52) face of joint place enforcement high pressure oil, implement fixed connection by the first fastening assembly (57) between the first base (40) and the second base (41).
4. carrying according to claim 1 and transport the oil pressure elevating equipment of vehicle part, it is characterized in that: the release oil piping system of the high pressure oil of described hydraulic unit (15) comprising: make hold-off pressure oil operating assembly (18) and the second base (41) implement to connect firmly with the second fastening assembly (58); Be provided with first oil return circuit (60) and the fuel-return valve (55) straight-through with the cavity volume of Compress Spring (50) at the second base (41), fuel-return valve (55) right side is oil return valve rod fitting-type chamber (56), the axis hole of implementing the left end section outside cylinder of oil return valve rod (59) and oil return valve rod fitting-type chamber (56) with fuel-return valve O-ring seals (61) moves the fluid sealing between revolute pair, oil return valve rod (59) middle part is provided with the shaft shoulder (63) of the spring force that transmits fuel-return valve stage clip (62), the first step hole (64) that arranges in hold-off pressure oil operating assembly (18) holds fuel-return valve stage clip (62) and contains section part among the oil return valve rod (59) of the shaft shoulder (63), the second step hole (65) that arranges passes for oil return valve rod (59), right-hand member section at oil return valve rod (59), and axial line is vertically installed with pull bar lateral pin (66) with it, in hold-off pressure oil operating assembly (18), hinge axis (68) is set, implements oil return treadle (67) and connect with rotation between the hinge axis (68); Oil return valve rod fitting-type chamber (56) is communicated with the 3rd oil suction line (42) through the second oil return circuit (69), and is communicated to shoe cream room (1) through the second oil suction line (39), the first oil suction line (38), Dustproof pipe (37).
5. carrying according to claim 1 and transport the oil pressure elevating equipment of vehicle part, it is characterized in that: described pump assembly (36) having comprised: automatic oil suction stage clip (70), sleeve pipe (72), stage clip cap (73), briquetting (71), implement the holding screw (74) that briquetting (71) and pump core (46) are connected firmly.
6. carrying according to claim 1 and transport the oil pressure elevating equipment of vehicle part is characterized in that: the lower portion of described hydraulic unit (15) is provided with steps on assembly flap (75) with the first pump oil foot of outer jacket member (2) welding and the second pump oil foot is stepped on assembly flap (76).
7. carrying according to claim 1 and transport the oil pressure elevating equipment of vehicle part is characterized in that: the pump oil foot is stepped on assembly (17) and is implemented the rotation of kinematic mechanism at each turning cylinder place with the first revolute pair (77), the second revolute pair (78), the 3rd revolute pair (79) and connect.
8. carrying according to claim 1 and transport the oil pressure elevating equipment of vehicle part, it is characterized in that: implement silently being fixedly connected of (84) and Shift cylinder bar (4) of high pressure at high pressure cock component (13) position with the first screw thread good fortune (82), high pressure silently the outside cylinder of the interior cylindrical hole of (84) and small piston rod (6) to form moving rotating moving secondary, and between the axle of described hole, be provided with dust ring (80) and dynamic sealing assembly (81) silently; Silently be provided with high pressure static seal O-ring seals (83) between the interior cylindrical hole of the outside cylinder of (84) bottom and Shift cylinder bar (4) at high pressure, the high pressure silently lower end section of (84) is positioned at Shift cylinder bar working oil chamber (85).
9. carrying according to claim 1 and transport the oil pressure elevating equipment of vehicle part is characterized in that: form the hole shaft clearance between the interior stepped hole of the upper end section of oil cylinder spare (3) and lower guiding protection pad (10) outside cylinder that is provided with successively, guide ring (9) outside cylinder, upper guiding protection pad (11) outside cylinder and cooperate; The interior cylindrical hole of the interior cylindrical hole of the interior cylindrical hole of described lower guiding protection pad (10), guide ring (9), upper guiding protection pad (11) is implemented respectively to cooperate with the hole shaft clearance of the outside cylinder of Shift cylinder bar (4); And be provided with the hole at place, the aperture, nearly upper end of oil cylinder spare (3) with elastic spring (12).
10. carrying according to claim 1 and transport the oil pressure elevating equipment of vehicle part, it is characterized in that: top cap assembly (8) is implemented the tight joint of top cap head (87) and oil cylinder spare (3) with the second screw thread good fortune (86), and realizes simultaneously the tightening sealing of top cap head and outer jacket member (2) upper surface; Between oil cylinder spare (3) upper end outside cylinder and the large endoporus of top cap head (87), crown cap static seal O shape circle (88) is set; Crown cap dynamic seal O shape coil assembly (89) and top cap head dust ring (90) are set between the outside cylinder of the little endoporus of top cap head (87) upper end section and Shift cylinder bar (4).
11. carrying according to claim 1 and transport the oil pressure elevating equipment of vehicle part is characterized in that: radially implement tight joint with small piston rod (6) without constraint valve piston head (7) with the 3rd screw thread pair (91); The interior cylindrical hole of Shift cylinder bar (4) and radially without the constraint valve piston head (7) large outside cylinder between be provided with the first circular clearance (92); Radially without the tight joint of the large piston head of constraint (5) with the 4th screw thread pair (93) enforcement and Shift cylinder bar (4) lower end section; Radially the axial line place without the large piston head of constraint (5) is provided with oil through (94); The interior cylindrical hole of oil cylinder spare (3) and radially without the constraint large piston head (5) large outside cylinder between be provided with the second circular clearance (95).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100009092A CN103072920A (en) | 2013-01-05 | 2013-01-05 | Oil pressure elevation device for carrying and transporting vehicle parts |
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| CN2013100009092A CN103072920A (en) | 2013-01-05 | 2013-01-05 | Oil pressure elevation device for carrying and transporting vehicle parts |
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| CN103072920A true CN103072920A (en) | 2013-05-01 |
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| CN2013100009092A Pending CN103072920A (en) | 2013-01-05 | 2013-01-05 | Oil pressure elevation device for carrying and transporting vehicle parts |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517028A (en) * | 2016-12-08 | 2017-03-22 | 海盐佳业机械工具有限公司 | Long-travel single-pedal jack |
| CN107963569A (en) * | 2017-10-17 | 2018-04-27 | 武汉科技大学 | A kind of hydraulic jack |
| CN109366951A (en) * | 2018-10-22 | 2019-02-22 | 滁州佳诚模具制造有限公司 | A kind of conveniently stripped case courage plastics suction mould |
| CN109484984A (en) * | 2018-12-26 | 2019-03-19 | 富阳通力机械制造有限公司 | A kind of fluid pressure type trailer top |
| CN111498726A (en) * | 2020-05-29 | 2020-08-07 | 嘉兴市大通机械股份有限公司 | Manual pressing type jack for rehabilitation hanger columnar structure |
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| CN202007098U (en) * | 2011-04-22 | 2011-10-12 | 陈群鹤 | External upper bearing structure of hydraulic ejecting rod of jack |
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| US4667932A (en) * | 1982-03-02 | 1987-05-26 | Arbeloa Jesus I | Electrohydraulic jack |
| JPH0373783A (en) * | 1989-08-16 | 1991-03-28 | Toshiba Corp | Hydraulic jack for hydraulic elevator |
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| CN201169513Y (en) * | 2007-11-16 | 2008-12-24 | 常熟通润汽车零部件有限公司 | Pedal hydraulic double-speed and pneumatic idle load fast hoisting jack |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517028A (en) * | 2016-12-08 | 2017-03-22 | 海盐佳业机械工具有限公司 | Long-travel single-pedal jack |
| CN106517028B (en) * | 2016-12-08 | 2018-12-14 | 海盐佳业机械工具有限公司 | A kind of foot-operated jack of long stroke list |
| CN107963569A (en) * | 2017-10-17 | 2018-04-27 | 武汉科技大学 | A kind of hydraulic jack |
| CN109366951A (en) * | 2018-10-22 | 2019-02-22 | 滁州佳诚模具制造有限公司 | A kind of conveniently stripped case courage plastics suction mould |
| CN109484984A (en) * | 2018-12-26 | 2019-03-19 | 富阳通力机械制造有限公司 | A kind of fluid pressure type trailer top |
| CN111498726A (en) * | 2020-05-29 | 2020-08-07 | 嘉兴市大通机械股份有限公司 | Manual pressing type jack for rehabilitation hanger columnar structure |
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Application publication date: 20130501 |