CN110160703A - It is a kind of based on the counterweight loading mechanism for making pressure system - Google Patents

Abstract

The invention discloses a kind of based on the counterweight loading mechanism for making pressure system, including connection lower piston bar (92) for weighing or the piston weight of pressure calibration (31)；The piston weight top is mounted at the top nozzle center of tubular hanging basket counterweight (33)；The barrel bottom outside of hanging basket counterweight connects radial cyclic annular weight tray, carries the cyclic annular plate-like counterweight (22) being stacked on weight tray；The piston weight top also passes through connection structure and connects out the pallet counterweight (34) being located above hanging basket counterweight；One group of tubular counterweight (20) being nested with is provided on pallet counterweight.The association of lower piston bar is made the output end (44) of pressure system and is driven by it flexible.The present invention provide realized in a kind of pressure detecting it is automatic load and the weight structure and arrangement of unloading, can any weight combinations load, have the characteristics that it is easy to operate, add that unload code accurate.The present invention improves the overall construction design of loading mechanism simultaneously, and support guide structure has the characteristics that stability is high, guiding performance is good, easy to operate.

Description

It is a kind of based on the counterweight loading mechanism for making pressure system

Technical field

Add counterweight device automatically the present invention relates to a kind of, is improved more specifically to the structure of piston manometer.

Background technique

Pressure is one of the important technical parameter in industrial production, in pressure sensing arts, it is often necessary to detection system pressure Power, various forms of pressure gauges, pressure sensor, pressure transmitter are the common instruments of pressure detecting, application throughout chemical industry, Petroleum, aerospace, automobile, power generation, medium transmission, supply water nearly all fluid related fieldss such as gas supply.Pressure gauge performance is straight The quality for being related to testing result is connect, in order to guarantee the detection accuracy of instrument, it is necessary to which regularly pressure calibration is carried out to pressure gauge. If pressure detecting is inaccurate, production efficiency not only will affect, reduce product quality, or even also will cause serious safe thing Therefore so pressure measurement has special status in the industrial production.Therefore, pressure gauge when leaving the factory or in use process periodically Metering verification is carried out, this requires the work of pressure gauge testing calibration is convenient and efficient, high-efficient, testing result is accurate.Often at present The metering calibration equipment of pressure gauge is piston manometer.Piston manometer generally comprises pressure generation part and pressure calibration Part.Pressure calibration generally using it is a series of with standard weights counterweights generation relevant pressures, therefore it is required that raise the price device and Process of raising the price has preferable stability and practical convenient.

Piston gage is the common instrument of pressure gauge testing calibration, and counterweight is usually the inspection of piston gage pressure gauge Survey calibration when benchmark, combined by specific counterweight to be formed specific weight by hydraulic system be converted to fluid pressure application It is the usual way of pressure gauge detection in pressure gauge, but current piston gage, counterweight load and unloaded operation, sentences The work such as counterweight state are determined generally by being accomplished manually, and operator's duplication of labour, work are uninteresting, and the degree of automation is low, is easy to produce Gauging error, and be manually operated and easily damage counterweight and associated components vulnerable to the influence of the factors such as operator's mood, experience.? That is the counterweight loading method of piston manometer is presently mainly artificial load, counterweight, which is placed, relies on manual handling, time-consuming consumption Power, reliability and stability are poor, automation raise the price process and device it is very necessary.

Summary of the invention

The present invention realizes automatic load and the counterweight knot of unloading in view of the above-mentioned problems, the present invention provides in a kind of pressure detecting Structure and arrangement achieve the purpose that automatically plus unload.The present invention can arbitrarily weight combinations load, i.e., realize in pressure detecting Counterweight sequence and free mix-loaded and unloading can reach automatic plus unload counterweight, have it is easy to operate, add that unload code accurately special Point.The present invention improves the overall construction design of loading mechanism simultaneously, and support guide structure is high with stability, guiding performance is good, behaviour Make convenient feature.

In order to achieve the above object, the present invention provides a kind of based under the counterweight loading mechanism for making pressure system, including connection Portion's piston rod is used to weigh or the piston weight of pressure calibration；The piston weight top is mounted on the top of tubular hanging basket counterweight At nozzle center；The barrel bottom outside of the hanging basket counterweight connects radial cyclic annular weight tray, holds on the weight tray The cyclic annular plate-like counterweight being stacked is carried；The piston weight top, which also passes through connection structure and connects out one, is located at described hang Pallet counterweight above basket counterweight；One group of tubular counterweight being nested with is provided on the pallet counterweight；The plate-like counterweight setting There is independent plate-like counterweight loading and unloading unit；The tubular counterweight is provided with independent tubular counterweight loading and unloading unit.

The lower piston bar association is made the output end of pressure system and is driven by the output end flexible.The pressure makes pressure System includes the piston cylinder and piston for making pressure, and the piston is connected to a lead screw, and it is solid that the lead screw connects an axial direction Fixed screw rod set；The screw rod set is connected to the first servo motor for driving the screw rod set rotation by a clutch；Institute The pressure output end for stating piston cylinder is connected to the meter adapting-seat and relief valve of pressure gauge side by side；The piston cylinder pressure output end The pressure chamber at rear portion connects the output end of an increase valve, and the fuel feeding end for increasing valve is connected to precompressed and pumps out hydraulic fluid port；It is described The oil inlet of pre- press pump is connected to lubricating cup；The switching motion mechanism for pumping executing agency, the relief valve of the pre- press pump, with And the switch motion mechanism for increasing valve passes through clutch respectively and is connected to power output part.

Under preferred embodiment, the pre- press pump is housing structure, and the pumping executing agency of the pre- press pump is precompressed pump piston Bar.Unidirectional oil circuit in system is realized by setting check valve.Movement for determining the piston is set in the piston cylinder The displacement sensor of terminal position, institute's displacement sensors are connected to the control terminal for the piston limit.The piston cylinder Pressure output end be also provided with pressure sensor, the pressure sensor is connected to be turned for controlling the first servo motor The controller of speed.

Under preferred embodiment, the structure of the tubular counterweight and the tubular counterweight loading and unloading unit are as follows: described in each layer The driving mechanism that the upper end setting of tubular counterweight drives the tubular counterweight to move up and down；For for claiming below the tubular counterweight The pallet counterweight of weight or pressure detecting；The tubular counterweight from inside to outside successively successively decrease by height；Each tubular counterweight upper end Support protrusion is arranged in outer cylinder；The driving mechanism includes corresponding each circumferentially spaced about setting of tubular counterweight support protrusion One group of horizontal extension support code bar, each support code bar rear portion connects a support code bar driving cylinder；Each support code Bar driving cylinder is fixed on the support code pylon that one is vertically driven by drawing counterweight cylinder.Under optimum way, the support code pylon State at the top of the corresponding tubular counterweight is arranged in pyramidal structure；Support code bar described in each group is at least 3.

Under preferred embodiment, the plate-like counterweight and the plate-like counterweight loading mechanism are as follows:

Plate-like counterweight edge is equipped with flange；The plate-like counterweight loading mechanism includes being distributed in outside the plate-like counterweight Enclose the mutually isostructural drawing code bar of vertically arranged at least three；Multiple drawing code bars are respectively in a manner of around own axis The vertical driving unit that moves up and down of synchronized links；The drawing code bar corresponds to the convex of each layer plate-like counterweight in the axial direction The convex disk of the radially outer overlap joint of edge setting, the flange faying surface of each layer of the convex disk of the overlap joint and the plate-like counterweight is with described The direction of code bar from the bottom to top is drawn to become larger, so that all overlap joint is opened with each layer convex disk of overlap joint from the plate-like counterweight Begin, each layer convex disk of overlap joint for drawing the rotation of code bar one week from top to bottom is detached from overlap joint with the plate-like counterweight one by one.

In addition, the top nozzle contact surface of the piston weight and the hanging basket counterweight is aligned with the conical surface；The hanging basket weight With the conical surface contraposition at internal orifice between the weight tray and the plate-like counterweight and the two neighboring plate-like counterweight of code.Often The one tubular counterweight is also matched with the pallet counterweight with circular cone.It is ring that the disk of the pallet counterweight, which is provided with two sides, The slot of the shape conical surface, two circular cones align the low side face of the two neighboring tubular counterweight respectively.

Present invention sequence, which is raised the price, refers to that counterweight loads counterweight weight, example by fixed weight combinations and fixed loading sequence If counterweight weight is 5kg, 10kg, 15kg, 20kg ..., can only be loaded according to the sequence of a certain fixation, such as 5kg → 10kg → 15kg→20kg……；It freely raises the price and refers to that loaded weight can be freely combined in counterweight, load in any order, such as counterweight weight For 5kg, 10kg, 15kg, 20kg ..., can be loaded according to 5kg → 10kg → 15kg → 20kg ... sequence, it can also be according to The load of 15kg → 20kg → 5kg → 10kg ... sequence or any other weight combinations and random order load.

In verification process, piston weight is jacked up by the hydraulic medium in oil cylinder, and drives pallet counterweight and hanging basket Counterweight jacks up.In pallet counterweight lower part, setting position sensor obtains the upper and lower position of counterweight, and setting speed probe obtains weight Code velocity of rotation.Counterweight rotation is realized by two ways: first is that drag ring band piston drives counterweight to rotate, another is logical Gas nozzle is crossed to blow as the auxiliary power drive counterweight rotation in verification process.

Add and unload yard device using after a certain period of time, needing to support the jack-up such as code bar, leaves counterweight lugs position, take out weight Code carries out weight-calibration, jacks up cylinder by setting, and the support code tower etc. for supportting code bar and support support code bar is jacked up, realizes counterweight Quickly and conveniently it is removed and placed into.

Compared with prior art, the beneficial effects of the present invention are:

1, the weight under big weight condition is realized using the combination load of tubular counterweight and plate-like counterweight to be freely combined.Cylinder The big counterweight of shape counterweight covers outside miniweights, and ring ring is nested, can only limited counterweight independent assortment, and more arrive middle position The weight of counterweight is smaller.Plate-like counterweight one pressure on the other side, is mutually pressed layer by layer, can there is the big weight of many equivalent weights The load of code layer layer.The counterweight weight independent assortment, it can be achieved that under big weight condition is applied in combination in the two.

2, all counterweight positions can guarantee accurate positionin in adding uninstall process.Between tubular counterweight and pallet counterweight, often Between layer plate-like counterweight and adjacent layer plate-like counterweight, between pallet counterweight and piston weight, between hanging basket counterweight and piston weight, It is respectively provided with the conical surface between plate-like counterweight and hanging basket counterweight, guarantees accurate positioning between all counterweights and reliable.

Detailed description of the invention

Fig. 1 is the arragement construction schematic diagram of present invention combination counterweight loading mechanism counterweight.

Fig. 2 is enlarged structure schematic diagram at A in Fig. 1.

Fig. 3 is enlarged structure schematic diagram at B in Fig. 1.

Fig. 4 is the sizing specification schematic diagram of tubular counterweight in present invention combination counterweight loading mechanism.

Fig. 5 is present invention combination counterweight loading mechanism overall structure diagram.

Fig. 6 is the counterweight loading principle schematic diagram of present invention combination counterweight loading mechanism.

Fig. 7 is the load guiding principle structural schematic diagram of present invention combination counterweight loading mechanism.

The pressure that Fig. 8 illustrates a Serve Motor Control makes pressure systematic schematic diagram.

The pressure that Fig. 9 illustrates two Serve Motor Controls makes pressure systematic schematic diagram.

The pressure that Figure 10 illustrates three Serve Motor Controls makes pressure systematic schematic diagram.

The pressure that Figure 11 illustrates four Serve Motor Controls makes pressure systematic schematic diagram.

Figure 12 is the setting principle structural schematic diagram of periphery guiding driving in present invention combination counterweight loading mechanism.

Figure 13 is the supplementing structure schematic diagram of guiding driving setting principle in Figure 12.

Figure 14 is the arragement construction schematic diagram of present invention combination counterweight loading mechanism indsole subordinate's plate.

Specific embodiment

Counterweight loading mechanism, including connection lower piston bar 92 are combined as shown in Fig. 1-7,12-14 for weighing or pressure The piston weight 31 of calibration；31 top of piston weight is mounted at the top nozzle center of tubular hanging basket counterweight 33；It is described The barrel bottom outside of hanging basket counterweight 33 connects radial cyclic annular weight tray 23, carries stacking on the weight tray 23 and sets The cyclic annular plate-like counterweight 22 set.31 top of piston weight also passes through connection structure and connects out one positioned at the hanging basket counterweight The pallet counterweight 34 of 33 tops；One group of tubular counterweight 20 being nested with is provided on the pallet counterweight 34.The plate-like counterweight 22 It is provided with independent plate-like counterweight loading and unloading unit.The tubular counterweight 20 is provided with independent tubular counterweight loading and unloading list Member.Wherein, the piston cylinder of lower piston bar 92 is connected to the output end 44 (such as Fig. 8-11) for making pressure system, specific structure, hereafter Description.

Tubular counterweight loading mechanism (tubular counterweight loading and unloading unit) can refer to Chinese patent 201410229031.4 It is a kind of that the driving mechanism that driving counterweight moves up and down in device of raising the price automatically is freely combined.The patent is also to lead for pressure detecting Domain is raised the price automatically, the tubular counterweight being nested with including one group, and the upper end setting of each layer counterweight drives the counterweight or more Mobile driving mechanism；The weight tray of subsidiary weighing or pressure detection mechanism below the counterweight.The height of counterweight is by introversion Successively successively decrease outside；The exposed cylinder in each counterweight upper end opens up support slot, is correspondingly arranged support rod, inner ring, middle ring and outer Ring.

Under optimum way, the set-up mode of tubular counterweight of the present invention and its loading mechanism are as follows:

Tubular counterweight includes one group of tubular counterweight 20 being nested with, the upper end setting driving institute of each layer tubular counterweight 20 State the driving mechanism that tubular counterweight 20 moves up and down；For for weighing or the pallet weight of pressure detecting below the tubular counterweight 20 Code 34；Tubular counterweight 20 from inside to outside successively successively decrease by height；Support protrusion 91 is arranged in each 20 upper end outer cylinder of tubular counterweight.

The driving mechanism of tubular counterweight includes the corresponding circumferentially spaced about setting of each 20 support protrusion of tubular counterweight 91 One group of horizontal extension support code bar 27, described in each group support code bar 27 be at least 3.Each 27 rear portion of support code bar connects one It supports code bar and drives cylinder 24；Each support code bar driving cylinder 24 is fixed on the support code tower vertically driven by drawing counterweight cylinder 98 On frame 25.The state at corresponding 20 top of tubular counterweight of code pylon 25 is ask to be arranged in pyramidal structure.

Plate-like counterweight loading and unloading unit can select a kind of sequence of Chinese patent CN201410227718.4 to raise the price device Support unit or similar whole realized with reference to the patent.Chinese patent CN201710373500.3 can also be selected a kind of automatic Loading and unloading part in the mechanism that sequentially raises the price.

Chinese patent CN201410227718.4 discloses a kind of sequence and raises the price device, including elevator is arranged in a bottom The supporting plate of structure is stacked plate-like counterweight by support unit on the supporting plate；Each layer of counterweight edge forms flange, is inverted outstanding Sky is overlapped in the support member of the support unit；Setting relationship between adjacent two layers will not be done when meeting load It relates to.In addition, below bottom counterweight between the supporting plate the subsidiary weight tray of weighing or pressure detection mechanism.Chinese patent CN201710373500.3 discloses a kind of automatic sequence and raises the price mechanism, including several plate-like counterweights, weighing section and load are unloaded Carry part.Weighing section includes weighing pan；Loading and unloading part includes support column assembly；Each support column assembly includes lower pole Section is the support column of light bar segment, the casing for being successively socketed light bar segment, and the elastomer being supported between support column and casing；Branch The support level of the external axially spaced-apart setting evagination of the top rod segment and casing of dagger, the lower end of support column light bar segment is fixed In on hoistable platform horizontally disposed, by driving mechanism driving lifting；Each casing be provided with for limit its drop to it is minimum The external support body of position.

Under optimum way, the set-up mode of plate-like counterweight and its loading and unloading unit of the present invention are as follows:

Plate-like counterweight includes several stackings, edge plate-like counterweight 22 and weighing section and loading and unloading equipped with flange Part；The weighing section includes the weight tray 23 for holding up the plate-like counterweight weighing.

The loading and unloading part (plate-like counterweight loading and unloading unit) includes being distributed in 22 external concentric side of plate-like counterweight To at least three mutually isostructural drawing code bars 16 of setting；Multiple drawing code bars 16 are respectively in a manner of around own axis The vertical driving unit that moves up and down of synchronized links.As shown in figure 8, each draw code bar 16 to connect by fixed toothed belt 15 It connects around the toothed belt 14 for all drawing 22 outside of code bar 16 and plate-like counterweight.Pass through tooth on the inside of the circular toothed belt 15 Shape band idle pulley 36 is supported in outward outside plate-like counterweight 22.

Code bar 16 is drawn to correspond to the radially outer convex disk of overlap joint of flange setting of each layer plate-like counterweight 22 in the axial direction 95.The flange faying surface (such as Fig. 6) of the convex disk 95 of each layer of overlap joint and plate-like counterweight 22 is to draw the direction of code bar 16 from the bottom to top It becomes larger, so that the drawing code bar 16 rotates all overlapping since the plate-like counterweight 22 with the convex disk 95 of each layer of overlap joint One week convex disk 95 of each layer of overlap joint from top to bottom is detached from overlap joint with plate-like counterweight 22 one by one.According to the above statement, each drawing One end of code bar 16 is also provided with the drawing code bar angle controller 10 that driving draws code bar around axis rotation.Vertical drive of the invention Moving cell includes one and realizes the intermediate plate 7 moved up and down by driving assembly driving；Each drawing code bar 16 passes through a bearing 13 It is arranged in intermediate plate 7, and passes through positioning element with intermediate plate 7 vertical relatively fixed.

In addition, illustrating " faying surface ".Plate-like counterweight 22 be it is discoid, faying surface is plate-like counterweight 22 and each layer of institute It states and overlaps convex disk 95 from contact to the fan-shaped surface being detached from, size can be determined with the angle of disk surface sector.Preferred embodiment Under, it overlaps convex disk 95 and as shown is around the incomplete disk for drawing 16 axis of code bar；For guarantee top layer's plate-like counterweight load, The relatively described disk for drawing 16 1 side directions of code bar of the convex disk 95 of the overlap joint of top layer all lacks, to guarantee most upper The convex disk of the overlap joint of layer can be completely disengaged with plate-like counterweight described in top layer.

Under preferred embodiment, as shown in Figure 1, the top nozzle contact surface of piston weight 31 and the hanging basket counterweight 33 is with the conical surface Contraposition；Between the weight tray 23 and plate-like counterweight 22 and two neighboring plate-like counterweight 22 of hanging basket counterweight 33 with internal orifice at Conical surface contraposition.Each tubular counterweight 20 is also matched with the pallet counterweight 34 with circular cone；Optimum way, the support The disk of disk counterweight 34 is provided with the slot that two sides are circular cone, and two circular cones align two neighboring tubular counterweight 20 respectively Low side face.

Frame and lift structure of the invention is as shown in Figure 12~14.Piston weight 31, plate-like counterweight 22, tubular counterweight 20 periphery has been symmetrical arranged vertically upper top gas cylinder 99, and multiple vertical guiding optical axises 4 have been arranged.

Such as Figure 14, the optical axis 4 and the upper top gas cylinder 99 are placed in lower plate 9.Such as Figure 12~14,4 middle part of optical axis The intermediate plate 7 connected by linear bearing 5 has been worn, and has been connect at top with upper plate 8；The intermediate plate 7 and upper plate 8 are connected by centre Order member is fixed as one, and is integrally attached to 89 top of piston mandril of the upper top gas cylinder 99.The upper plate 8 is used as the cylinder Shape counterweight 20 drives counterweight to move up and down the driving part of driving mechanism, is connected to support code pylon 25；The intermediate plate 7 is used as institute The driving part for stating the vertical driving unit of plate-like counterweight 22 is connected to and draws code bar 16.

The plate-like counterweight loading and unloading unit includes one and realizes the intermediate plate 7 moved up and down by driving assembly driving On；Each drawing code bar 16 is arranged in the intermediate plate 7 by a bearing 13, and passes through positioning element and the intermediate plate 7 vertical relatively fixed.

The tubular counterweight loading and unloading unit includes a fixed drawing counterweight cylinder 98 and the support code pylon 25 Upper plate 8.Intermediate plate 7 and upper plate 8 are by drawing counterweight cylinder 98 and support code pylon 25 to connect.

Wherein the support code pylon 25 and intermediate plate 7 are connected by attachment screw 88, support code pylon 25 and drawing counterweight cylinder 98 are connected by attachment screw 87, and upper plate 8 and drawing counterweight cylinder 98 are connected by attachment screw 96.When usually working, counterweight is drawn Cylinder 98 can pull support code pylon 25 that intermediate plate 7 is driven to move up and down again.When needing to jack up intermediate plate 7, attachment screw 93 is twisted It opens, separates upper plate 8 with guiding optical axis 4, the piston mandril 89 of upper top gas cylinder 99 pushes upper plate 8 and drives drawing code bar angle control again Device 10 asks 25 part of code pylon and intermediate plate 7 to move upwards along guiding optical axis 4.

In addition, such as under type can be selected in pressure system structure of making of the invention:

As shown in figure 8, the pressure of a Serve Motor Control makes pressure system: first servo motor 51 and the first speed reducer 52 It is connected, the revolving speed of first servo motor 51 is reduced and increases torque, the first speed reducer 52 is connected with transmission shaft, installs on transmission shaft First sprocket wheel 53, first clutch 54 realize the transmitting of revolving speed, torque.First clutch 54 is connected real with the second speed reducer 55 The reduction of existing 51 revolving speed of first servo motor, torque increase.Second speed reducer 55 is connect with screw rod set 56, screw rod set 56 and screw rod 57 cooperations, screw rod 57 are connected with piston 60.The rotation band piston 60 of first servo motor 51 moves along a straight line in piston cylinder 61, presses Hydraulic oil in contracting piston cylinder 61 realizes the increase of pressure, mounting screw 58 on piston 60, installs anti-dazzling screen on screw 58, living Installation site sensor 59 on plug cylinder 61, sensor 59 limit the moving displacement of piston.The second chain is installed in pre- press pump drive shaft Wheel 63 and second clutch 66, second clutch 66 are connected with precompressed sucker rod 72, control precompressed sucker rod 72 in precompressed Move along a straight line work in pump cylinder 70, provides precompression to piston cylinder 61.Third sprocket wheel 64, third clutch 67 are mounted on pressurization In valve drive shaft, third clutch 67 is connected with pressure charging valve 73, and third clutch 67 controls the opening and closing of pressure charging valve 73；4th sprocket wheel 65, the 4th clutch 68 is mounted in relief valve drive shaft, and the 4th clutch 68 is connected with relief valve 74, the control of the 4th clutch 68 The opening and closing of relief valve 74 processed.First sprocket wheel 53, the second sprocket wheel 63, third sprocket wheel 64, the 4th sprocket wheel 65 are connected in one by chain 62 It rises.Pressure charging valve 73 is connected with precompressed pump cylinder 70 and piston cylinder body 61, and pressure charging valve 73 is opened, and precompressed pump cylinder 70 is generated pre- Pressure is applied in 61 cylinder body of piston cylinder, and relief valve 74 is connected with lubricating cup 75 and meter adapting-seat 77, and relief valve 74 is opened the pressure of system Power zero.Meter adapting-seat 77 is connected with 61 cylinder body of piston cylinder, and pressure gauge 78 is mounted on meter adapting-seat 77.Pressure sensor 76 and control Device is connected, the rotation of the feedback signal control motor of generation adjusts the speed of pressurization.

Pressurize verification process: the 4th clutch 68, which is powered, to be attracted, first clutch 54, second clutch 66, third clutch Device 67 powers off, and relief valve 74 is closed in the rotation of first servo motor 51；Third clutch 67, which is powered, to be attracted, first clutch 54, the Two clutches 66, the power-off of the 4th clutch 68,51 rotating opening pressure charging valve 73 of first servo motor；Then second clutch 66 is logical Electricity is attracted, and first clutch 54, third clutch 67, the power-off of the 4th clutch 68, the rotation of first servo motor 51 pass through second Sprocket wheel 63 is transmitted to precompressed sucker rod 72, makes the straight line in precompressed sucker rod 70 in precompressed pump cylinder of precompressed sucker rod 72 Hydraulic oil in lubricating cup 75 is sucked in precompressed pump piston cylinder 70 by the first check valve 69, and passes through second one-way valve by movement Hydraulic oil is sent to piston cylinder 61 by 71, makes to reach certain pressure in piston cylinder 61.Hereafter, second clutch 66 is powered off, third Clutch 67, which is powered, to be attracted, and pressure charging valve 73 is closed；After again, third clutch 67 is powered off, and first clutch 54, which is powered, to be attracted, and first The rotation of servo motor 51 drives piston rod 60 to move along a straight line in piston cylinder 61, and hydraulic oil is compressed, realizes the increase of pressure, Pressure is passed into meter adapting-seat 77, the pressure gauge 78 being mounted on meter adapting-seat 77 makes a response to pressure, and pressure sensor 76 will press Force signal is transferred to the revolving speed of controller control first servo motor 51, realizes slowly pressurization, successively the real inspection to pressure gauge 78 Fixed point is examined and determine.

It is depressured verification process: the energization of first clutch 54 actuation, second clutch 66, third clutch 67 and the 4th clutch Device 68 powers off, and the reduction of pressure is realized in the counter motion in piston cylinder 61 of the reversion control piston rod 60 of first servo motor 51.? Detect calibrating point, pressure reduction, pressure value is lower than the calibrating point corresponding pressure value, and the reversion control of first servo motor 51 is lived The counter motion in piston cylinder 61 of stopper rod 60 starts pressurization, and pressure value will reach the corresponding pressure of pressure gauge calibrating point, Pressure signal is transferred to controller control 51 revolving speed of first servo motor and reduced by pressure sensor 78, realizes slowly pressurization, weight This multiple process realizes the calibrating of pressure reduction calibrating point.Calibrating terminates, and the power-off of first clutch 54, the 4th clutch 68, which are powered, to be inhaled It closes control relief valve 74 to open, the pressure zero in system.

As shown in figure 9, the pressure of two Serve Motor Controls makes pressure system: first servo motor 51 and the first speed reducer 52 It is connected, the revolving speed of first servo motor 51 is reduced and increases torque, the first speed reducer 52 is connected with transmission shaft, installs on transmission shaft First sprocket wheel 53, first clutch 54, realize the transmitting of revolving speed, torque, and first clutch 54 is connected real with the second speed reducer 55 The reduction of existing 51 revolving speed of first servo motor, torque increase.Second speed reducer 55 is connect with screw rod set 56, screw rod set 56 and screw rod 57 cooperations, screw rod 57 are connected with piston 60.The rotation band piston 60 of first servo motor 51 moves along a straight line in piston cylinder 61, presses Hydraulic oil in contracting piston cylinder 61 realizes the increase of pressure.Mounting screw 58 on piston 60 installs anti-dazzling screen on screw 58, living Installation site sensor 59 on plug cylinder 61, sensor 59 limit the moving displacement of piston.The second chain is installed in pre- press pump drive shaft Wheel 63 and second clutch 66, second clutch 66 are connected with precompressed sucker rod 72, control precompressed sucker rod 72 in precompressed Move along a straight line work in pump cylinder 70, provides precompression to piston cylinder 61.First sprocket wheel 53, the second sprocket wheel 63 are connected by chain 62 Together.Third servo motor 40 is connected with third sprocket wheel 64, and third sprocket wheel 64, third clutch 67 are mounted on the drive of pressure charging valve 73 On moving axis.Third clutch 67 is connected with pressure charging valve 73, and third clutch 67 controls the opening and closing of pressure charging valve 73；4th sprocket wheel 65, 4th clutch 68 is mounted in 74 drive shaft of relief valve, and the 4th clutch 68 is connected with relief valve 74, the control of the 4th clutch 68 The opening and closing of relief valve 74 processed.Third sprocket wheel 64, the 4th sprocket wheel 65 are connected together by chain 62.Pressure charging valve 73 and precompressed pump cylinder 70 are connected with piston cylinder body 61, and pressure charging valve 73 is opened, and the precompression that precompressed pump cylinder 70 generates is applied to piston cylinder body 61 Interior, relief valve 74 is connected with lubricating cup 75 and meter adapting-seat 77, and relief valve 74, which is opened, is zeroed the pressure of system, meter adapting-seat 77 and piston cylinder Cylinder body 61 is connected, and pressure gauge 78 is mounted on meter adapting-seat 77.Pressure sensor 76 is connected with controller, the feedback signal control of generation The rotation of motor processed adjusts the speed of pressurization.

Pressurize verification process: the energization of the 4th clutch 68 is attracted, third clutch 67 powers off, and third servo motor 40 rotates Relief valve 74, the power-off of the 4th clutch 68 are closed, third clutch 67, which is powered, is attracted the pressurization of 40 rotating opening of third servo motor Valve 73；The energization of second clutch 66 is attracted, first clutch 54 powers off, and the rotation of first servo motor 51 passes through the second sprocket wheel 63 biography It is delivered to precompressed sucker rod 72, precompressed sucker rod 72 is made to move along a straight line in precompressed sucker rod 70 in precompressed pump cylinder.It is logical It crosses the first check valve 69 to suck the hydraulic oil in lubricating cup 75 in precompressed pump piston cylinder 70, and will be hydraulic by second one-way valve 71 Oil, which is sent to piston cylinder 61, to be made to reach certain pressure in piston cylinder 61, and the 4th clutch 68 is powered off, and third clutch 67, which is powered, to be inhaled It closes the rotation of third servo motor 40 and closes pressure charging valve 73.Second clutch 66 powers off, and first clutch 54, which is powered, to be attracted, and first watches Taking the rotation of motor 51 drives piston rod 60 to move along a straight line in piston cylinder 61, and hydraulic oil is compressed, realizes the increase of pressure, will Pressure passes to meter adapting-seat 77, and the pressure gauge 78 being mounted on meter adapting-seat 77 makes a response to pressure, and pressure sensor 76 is by pressure Signal is transferred to the revolving speed of controller control first servo motor 51, realizes slowly pressurization, successively the real calibrating to pressure gauge 78 Point is examined and determine.

Be depressured verification process: the energization of first clutch 54 is attracted, second clutch 66 powers off, and first servo motor 51 inverts Control the reduction that pressure is realized in the counter motion in piston cylinder 61 of piston rod 60.Detecting calibrating point, pressure reduction pressure value Lower than the calibrating point corresponding pressure value, the reversion of first servo motor 51 controls the counter motion in piston cylinder 61 of piston rod 60, Start pressurization, pressure value will reach the corresponding pressure of pressure gauge calibrating point, and pressure sensor 76 transmits pressure signal It is reduced to controller control 51 revolving speed of first servo motor, realizes slowly pressurization, repeated this process and realize that pressure reduction examines and determine point Calibrating.Calibrating terminates, and the power-off of third clutch 67, the 4th clutch 68, which are powered, is attracted the control relief valve of third servo motor 40 74 open, the pressure zero in system.

As shown in Figure 10, the pressure of three Serve Motor Controls makes pressure system: first servo motor 51 and the first speed reducer 52 are connected, and the revolving speed of first servo motor 51 is reduced, and increase torque.First speed reducer 52 is connected with transmission shaft, on transmission shaft First sprocket wheel 53, first clutch 54 are installed, realize the transmitting of revolving speed, torque.First clutch 54 and 55 phase of the second speed reducer Even realize the reduction of 51 revolving speed of first servo motor, torque increases.Second speed reducer 55 and screw rod set 56 connect, screw rod set 56 and Screw rod 57 cooperates, and screw rod 57 is connected with piston 60.The rotation band piston 60 of first servo motor 51 straight line in piston cylinder 61 is transported Dynamic, the hydraulic oil in compression piston cylinder 61 realizes the increase of pressure.Mounting screw 58 on piston 60 installs shading on screw 58 Piece, installation site sensor 59 on piston cylinder 61, sensor 59 limit the moving displacement of piston.Is installed in pre- press pump drive shaft Two sprocket wheels 63 and second clutch 66, second clutch 66 are connected with precompressed sucker rod 72, and control precompressed sucker rod 72 exists Move along a straight line work in precompressed pump cylinder 70, provides precompression to piston cylinder 61.First sprocket wheel 53, the second sprocket wheel 63 pass through chain 62 connect together；Third servo motor 40 is connected with pressure charging valve 73, controls the opening and closing of pressure charging valve 73；4th servo motor 41 with let out Pressure valve 74 is connected, and controls the opening and closing of relief valve 74.Pressure charging valve 73 is connected with precompressed pump cylinder 70 and 61 cylinder body of piston cylinder, pressure charging valve 73 open, and the precompression that precompressed pump cylinder 70 generates is applied in 61 cylinder body of piston cylinder, relief valve 74 and lubricating cup 75 and meter adapting-seat 77 are connected, and relief valve 74, which is opened, is zeroed the pressure of system, and meter adapting-seat 77 is connected with 61 cylinder body of piston cylinder, and pressure gauge 78, which is mounted on, to be connect On gauge stand 77.Pressure sensor 76 is connected with controller, the rotation of the feedback signal control motor of generation adjusts the fast of pressurization Slowly.

Pressurize verification process: relief valve 74 is closed in the rotation of the 4th servo motor 41, and 40 rotating opening of third servo motor increases Pressure valve 73, the energization of second clutch 66 is attracted, first clutch 54 powers off, and the rotation of first servo motor 51 passes through the second sprocket wheel 63 It is transmitted to precompressed sucker rod 72, precompressed sucker rod 72 is made to move along a straight line in precompressed sucker rod 70 in precompressed pump cylinder, The hydraulic oil in lubricating cup 75 is sucked in precompressed pump piston cylinder 70 by the first check valve 69, and passes through second one-way valve 71 for liquid Pressure oil, which is sent to piston cylinder 61, to be made to reach certain pressure in piston cylinder 61.The rotation closing pressure charging valve 73 of third servo motor 40, second Clutch 66 powers off, and first clutch 54, which is powered, to be attracted, and the rotation of first servo motor 51 drives piston rod 60 in piston cylinder 61 It moves along a straight line, hydraulic oil is compressed, realize the increase of pressure, pressure is passed into meter adapting-seat 77, is mounted on meter adapting-seat 77 Pressure gauge 78 makes a response to pressure, and pressure signal is transferred to controller control first servo motor 51 by pressure sensor 76 Revolving speed realizes slowly pressurization, successively real to examine and determine the calibrating point of pressure gauge 78.

Be depressured verification process: the energization of first clutch 54 is attracted, second clutch 66 powers off, and first servo motor 51 inverts Control the reduction that pressure is realized in the counter motion in piston cylinder 61 of piston rod 60.Detecting calibrating point, pressure reduction pressure value Lower than the calibrating point corresponding pressure value, the reversion of first servo motor 51 controls the counter motion in piston cylinder 61 of piston rod 60, Start pressurization, pressure value will reach the corresponding pressure of pressure gauge calibrating point, and pressure sensor 76 transmits pressure signal It is reduced to controller control 51 revolving speed of first servo motor, realizes slowly pressurization, repeated this process and realize that pressure reduction examines and determine point Calibrating.Calibrating terminates, and the 4th servo motor 41 controls relief valve 74 and opens, the pressure zero in system.

As shown in figure 11, the pressure of four Serve Motor Controls makes pressure system: first servo motor 51 and screw rod set 56 connect It connects, screw rod set 56 cooperates with screw rod 57, and screw rod 57 is connected with piston 60, and the rotation band piston 60 of first servo motor 51 is in piston It moves along a straight line in cylinder 61, the hydraulic oil in compression piston cylinder 61 realizes the increase of pressure.Mounting screw 58, screw on piston 60 Anti-dazzling screen is installed, installation site sensor 59 on piston cylinder 61, sensor 59 limits the moving displacement of piston on 58.Second servo Motor 79 is connected with precompressed sucker rod 72, and control precompressed sucker rod 72 moves along a straight line work in precompressed pump cylinder 70, gives Piston cylinder 61 provides precompression.Third servo motor 40 is connected with pressure charging valve 73, controls the opening and closing of pressure charging valve 73；4th servo electricity Machine 41 is connected with relief valve 74, controls the opening and closing of relief valve 74.Pressure charging valve 73 and 61 phase of precompressed pump cylinder 70 and piston cylinder body Even, pressure charging valve 73 is opened, the precompression that precompressed pump cylinder 70 generates is applied in piston cylinder body 61, relief valve 74 and lubricating cup 75 It is connected with meter adapting-seat 77, relief valve 74, which is opened, is zeroed the pressure of system, and meter adapting-seat 77 is connected with piston cylinder body 61, pressure gauge 78 It is mounted on meter adapting-seat 77.Pressure sensor 76 is connected with controller, the rotation of the feedback signal control motor of generation adjusts The speed of pressurization.

Pressurize verification process: relief valve 74 is closed in the rotation of the 4th servo motor 41, and 40 rotating opening of third servo motor increases Pressure valve 73, the rotation of the second servo motor 79 are transmitted to precompressed sucker rod 72 by the second sprocket wheel 63, make precompressed sucker rod 72 It moves along a straight line in precompressed sucker rod 70 in precompressed pump cylinder, is sucked the hydraulic oil in lubricating cup 75 by the first check valve 69 In precompressed pump piston cylinder 70, and hydraulic oil is sent to by piston cylinder 61 by second one-way valve 71 makes to reach a level pressure in piston cylinder 61 Power；Pressure charging valve 73 is closed in the rotation of third servo motor 40, and the rotation of first servo motor 51 drives piston rod 60 in piston cylinder 61 It moves along a straight line, hydraulic oil is compressed, realize the increase of pressure, pressure is passed into meter adapting-seat 77, is mounted on meter adapting-seat 77 Pressure gauge 78 makes a response to pressure, and pressure signal is transferred to controller control first servo motor 51 by pressure sensor 76 Revolving speed realizes slowly pressurization, successively real to examine and determine the calibrating point of pressure gauge 78.

Be depressured verification process: pressure is realized in the counter motion in piston cylinder 61 of the reversion control piston rod 60 of first servo motor 51 The reduction of power.Detecting calibrating point, pressure reduction pressure value is lower than the calibrating point corresponding pressure value, first servo motor 51 The reversion control counter motion in piston cylinder 61 of piston rod 60, starts pressurization, and pressure value will reach pressure gauge calibrating point Pressure signal is transferred to controller control 51 revolving speed of first servo motor and reduced, realized by corresponding pressure, pressure sensor 76 Slowly pressurization repeats the calibrating that this process realizes pressure reduction calibrating point.Calibrating terminates, and the 4th servo motor 41 controls relief valve 74 open, the pressure zero in system.

Pressure is made pressure system and can be cascaded with multiple meter adapting-seats 77, and detection while realizing multiple pressure gauge 78 is made Pressure system can also be cascaded with multiple meter adapting-seats 77 while detect muti-piece pressure gauge 78.

When the present invention arranges counterweight, piston weight is located at approximate centre position, and pallet counterweight and hanging basket counterweight are arranged thereon, Tubular counterweight is set on pallet counterweight, plate-like counterweight is set on hanging basket counterweight.It is on the whole tubular counterweight in upper and plate-like counterweight Arrangement under.Since tubular counterweight is independent of each other in load, the independent assortment load of counterweight weight may be implemented, and For plate-like counterweight in load, counterweight above, which needs to be pressed in, can only realize that the sequence combination of counterweight weight adds on following counterweight It carries.It is loaded by the combination of tubular counterweight and plate-like counterweight, realizes the weight independent assortment load under big weight condition.

Tubular counterweight top is equipped with flange, and telescopic support code bar is arranged in portion under the flange, supports code bar close to the one of flange End can be protruded into below tubular counterweight flange, and the descending operation of upper and lower position is carried out to tubular counterweight, realize the load of tubular counterweight And unloading.Plate-like counterweight upper outside is equipped with flange, and the drawing code bar of portion's setting position changeable, draws code bar that can protrude under the flange Below the plate-like counterweight flange of different layers, the sequence load and unloading of control different layers counterweight.

Tubular counterweight lower part is equipped with the conical surface (inner conical surface or male cone (strobilus masculinus)), and corresponding position also is provided with and tubular weight on pallet counterweight (tubular counterweight is inner conical surface to the conical surface of the corresponding cooperation of code, then male cone (strobilus masculinus) is arranged in corresponding position on pallet counterweight, and tubular counterweight is Male cone (strobilus masculinus), then inner conical surface is arranged in corresponding position on pallet counterweight), to realize the accurate positionin of tubular counterweight, while guaranteeing counterweight Positional shift does not occur during rotation.It is equipped with inner conical surface or male cone (strobilus masculinus) on the inside of plate-like counterweight upper and lower part, if a certain weight It is inner conical surface on the downside of code adjacent upper counterweight, then is male cone (strobilus masculinus) on the upside of this layer of counterweight, vice versa；Under if a certain counterweight is adjacent It is inner conical surface on the upside of layer counterweight, then is male cone (strobilus masculinus) on the downside of this layer of counterweight, vice versa.Guarantee to add uninstall process mid-game by the conical surface The accuracy of shape counterweight position and positional shift does not occur during rotation.Stepped cylindrical, pallet is arranged in piston weight top Stepped cylindrical with matching is arranged if being provided that outside cylinder on piston weight in counterweight lower part Interior cylinder is outside cylinder on pallet counterweight if being provided that interior cylinder on piston weight, real by the cooperation between cylinder Both existing accurate positionin.Male cone (strobilus masculinus) is arranged in piston weight outer rim, and inner conical surface with matching is arranged on the inside of hanging scaffold counterweight, leads to It crosses the conical surface and realizes that the two is accurately positioned.It is opposite that the plate-like counterweight conical surface adjacent thereto is arranged in hanging scaffold counterweight lower disk upper surface The inner conical surface or male cone (strobilus masculinus) answered, to realize the accurate positionin between plate-like counterweight and hanging basket counterweight.

Pallet counterweight, hanging basket counterweight and piston weight only have one, and tubular counterweight and plate-like counterweight are more than one piece.Each counterweight Weight and size determine according to the following rules.

Weight: tubular counterweight weight it is most light be placed on centre, successively arranged outward according to weight, weight is most heavy outermost Side.Plate-like counterweight weight is equal.Hanging basket counterweight is equal in weight with plate-like counterweight.The sum of piston weight and pallet counterweight weight are The minimum magnitude of instrumental.

Size: the height of tubular counterweight is sequentially reduced from centre to outside height, and diameter is sequentially increased, and is met with ShiShimonoseki System:

Diameter: Di < di+1；

Highly: Hi > Hi+1.

D is the outer diameter of tubular counterweight, and d is the internal diameter of tubular counterweight, and i is the number of the tubular counterweight arranged from inside to outside, i For natural number and i >=1.

Using seperated convolution counterweight, tubular counterweight is the fission of formula all linked with one another for biggish tubular counterweight and plate-like counterweight Structure, in inner ring fission counterweight outer rim setting step to fix outer ring fission counterweight；Plate-like counterweight is the fission of phase stacked layer by layer Structure, following settings inclined-plane on the outside of lower layer's counterweight inner crest face and upper layer counterweight guarantee positioning.Using the benefit of split type counterweight It is reduction of instrument and equipment requirement when calibrating weight.The positioning of counterweight can rely on different shapes, angle in apparatus of the present invention The conical surface or other modes of degree substitute.

Upper plate 8, optical axis 4, intermediate plate 7, lower plate 9, support code pylon 25, fixing sleeve or linear bearing 3, linear bearing 5 and branch The frame of the composition apparatus of the present invention of leg 1；Tubular counterweight 20, pallet counterweight 34, plate-like counterweight 22, hanging basket counterweight 33 and piston weight The weight load system of 31 composition apparatus of the present invention；Draw code bar angle controller 10, linear bearing 13, toothed belt 14, tooth form Belt wheel 15, toothed belt idle pulley 36, the counterweight for drawing code bar 16, support code bar driving cylinder 24 and support code bar 27 to form apparatus of the present invention add The control mechanism of unloading；Belt 17, belt pulley 18, motor 19, gas-blowing column 28 form the counterweight rotation driving system of apparatus of the present invention System；Light barrier 11, photoelectric sensor 12, sensor support frame 30, range sensor 29, velocity sensor 37 form dress of the present invention The operating position testing agency set；Operation readiness machine when upper top gas cylinder 99 and connecting column 26 form the counterweight maintenance of apparatus of the present invention Structure.

It is fixedly connected between upper plate 8, optical axis 4, fixing sleeve or linear bearing 3 and lower plate 9, intermediate plate 7 and support code pylon 25 Between be fixedly connected, intermediate plate 7 can be slided up and down by linear bearing 5 along optical axis 4；Upper plate 8, support code pylon are by drawing weight Code cylinder 98 connects, and draws the movement of counterweight cylinder 98 that support code pylon 25 may be implemented and drives support code bar 27, realizes on tubular counterweight Lower movement carries out tubular counterweight and adds uninstall action, meanwhile, it can also drive support code pylon 25 that intermediate plate 7 can be driven to drive again and draw code bar 16 move up and down, to realize that plate-like counterweight moves up and down, carry out plate-like counterweight and add uninstall action.

The stretching motion in the horizontal direction of code bar 27 is supportted in the support code bar driving cylinder 24 being mounted on support code pylon 25, driving, The action control of different tubular counterweights is realized in the relative position for controlling itself and tubular counterweight flange.According to tubular counterweight height, if Multilayer support code bar 27 is set, on the same layer, multiple support code bars 27 are set, it is general to be no less than 3.

It draws 16 lower part of code bar to be provided with the imperfect disk of multilayer, that is, there is the disk step of notch, when drawing code bar 16 is around it When own axes rotate, the imperfect disc gap of different layers is located at different relative positions from plate-like counterweight flange, draws code bar It is driven by drawing code bar angle controller 10 and is rotated, the protrusion of imperfect disk thereon is made to be partially in different location and stretch The flange lower for entering the plate-like counterweight 22 of different layers realizes the action control of different plate-like counterweights.Multiple plate-like counterweights phase layer by layer Folded to be placed on hanging basket counterweight 33, multiple tubular counterweight ring rings, which are nested to be placed on pallet counterweight 34, realizes load.On middle plate 7 By linear bearing 13, multiple drawing code bars 16 are provided with, it is general no less than 3, one of to draw code bar 16 and draw code bar angle Control device 10, which is connected, to be respectively provided with toothed belt on each drawing code bar 16 by its drive, by toothed belt by multiple drawing code bars Connection linkage guarantees that the different imperfect disks drawn on code bar are in along the centrosymmetric position of counterweight.By the way that toothed belt is arranged Idle pulley 36 is tensioned toothed belt.

Draw code bar angle controller 16 that can be controlled by stepper motor, servo motor or rotary cylinder etc..

Light barrier 11 is set on a drawing code bar wherein, light barrier rotation is driven when drawing the rotation of code bar, in light barrier week The multiple photoelectric sensors 12 of setting are enclosed, when drawing code bar to turn to different location, photoelectric sensor 12 can perceive its position, from And know and draw code bar angle, it would know which plate-like counterweight is being added unloading operation.

Two sensor support frames 30 are set, one of them is used for fixed range sensor 29, another is for fixed speed Spend sensor 37.The height and position that support code-disc is measured by range sensor 29 measures counterweight revolving speed by velocity sensor 37. Sensor support frame 30 is installed on the slideway being fixedly connected with bottom plate that (slideway can be separately provided, and can also borrow cylinder alien invasion Slot).Range sensor 29 can realize with the sensor of hall principle, velocity sensor can with the sensors of photovoltaic principals and In coating (or adhesive layer) Lai Shixian of support code-disc lower surface setting different colours.

The course of work of apparatus of the present invention specifically includes that the loading procedure of counterweight, uninstall process, the support code-disc of whole counterweights Float and rotation process, counterweight are placed and taken out the process of device.

The loading procedure of counterweight: piston weight 31 and pallet counterweight 34 are in stress state always.Tubular counterweight 20 adds It carries, whole tubular counterweight 20 is placed on pallet counterweight 34 when initial, and support code bar driving cylinder 24 acts, and is allowed to what driving was connected Support code bar 27 extend out to the corresponding counterweight flange lower of the tubular counterweight being not loaded with, and draws counterweight cylinder 98 to act, will unload Counterweight lifts the unloading for realizing tubular counterweight, the counterweight that the counterweight not unloaded loads.Plate-like counterweight 22 and hanging basket counterweight 33 Load, whole plate-like counterweight 22 is placed on hanging basket counterweight 33 when initial, and the rotational angle of code bar 16 is drawn in control, will be drawn below code bar Imperfect disk protrusion part is gone to below the flange for being not loaded with plate-like counterweight or hanging basket counterweight 33, and counterweight cylinder 23 is drawn to act, The counterweight that will be unloaded lifts the unloading for realizing counterweight, the counterweight that the counterweight not unloaded loads.

The uninstall process of whole counterweights: extending out to corresponding counterweight flange lower for all support code bars 27, meanwhile, code is drawn in control Bar rotational angle will draw imperfect disk protrusion part below code bar to go to below all counterweight flanges, draw counterweight cylinder 23 dynamic Make, drives all counterweights to be lifted up, unload all counterweights.

Counterweight is placed and taken out the process of device: when counterweight needs to remove the operation such as sense weight from the present apparatus, control support Code bar driving cylinder 24 and the rotational angle for drawing code bar 16, make all counterweights be in stress state, i.e. tubular counterweight 20 and pallet Counterweight 34 contacts, and plate-like counterweight 22 is contacted with hanging basket counterweight 33.Connection between upper plate 8 and optical axis 4 is disengaged, upper top gas cylinder 99 Movement pushes upper plate 8 and drives support code pylon 25 and intermediate plate 7, then drives and draw code bar 16, integrally moves up, makes all counterweights It is exposed, convenient for being placed and taken out counterweight.

It is as shown in the figure the principle of the present invention.Counterweight cylinder 98 is drawn in apparatus of the present invention, support code bar drives cylinder 24, upper top Cylinder 99 uses pneumatic actuation for preferably mode, but can with leadscrew-nut mechanism, hydraulic oil cylinder mechanism, electromagnetic drive mechanism or Other mechanisms that linear motion may be implemented realize.Power device can be air pump, motor, hydraulic motor etc. accordingly.Distance Sensor 29 and velocity sensor 37 are set to the bottom part down of pallet counterweight 34, the two can be arranged onto pallet counterweight 34 Side or other position substitutions.It draws counterweight cylinder 98 to be set to the top of support code pylon 25, counterweight cylinder 98 can will be drawn to be arranged In a manner of relative motion and position substitution between support code pylon 25 and upper plate 8 can be realized on top plate 8, or by other.This figure Middle tubular counterweight is 6, and corresponding support code tower has 6 layers, and the support code bar of every layer of setting has 3.In practice, it can according to need, N number of tubular counterweight is set, and the support code tower number of plies can be with N layers, every layer of quantity 2, corresponding support code bar.Plate-like counterweight quantity is 3 in figure A, it is 3 that imperfect disk numbers of steps is arranged on each drawing code bar, and drawing code bar quantity is 3.It in practice, can be according to need It wants, N number of plate-like counterweight, imperfect N layers of disk numbers of steps of each drawing code bar, quantity 2 for drawing code bar is set.Draw turning for code bar Dynamic angle is controlled by position sensor, corresponding 4 position sensors of 3 counterweights.N number of counterweight is such as set, then needs N+1 position Sensor is set, the rotational angle of code bar is drawn in perception, to realize that adding for plate-like counterweight unloads substitution.The preferable shape of this position sensor It is photoelectric sensor under state, the replacement of other principle sensors can also be used.Toothed belt 14 and toothed belt 15 can be set in straight Spool holds 13 lower section, also can be set in the top of linear bearing 13.

Supporting leg 1 and lower plate 9 are fixed, and linear bearing 3 is arranged in lower plate 9, are that guiding optical axis 4 positions with linear bearing 3, can also Select guide sleeve or fixing sleeve.Realize that lower plate 9 and upper plate 8 connect by guiding optical axis 4, intermediate plate 7 is connect with linear bearing 5, is led to Crossing linear bearing 5 can move up and down on guiding optical axis 4.Upper top gas cylinder 99 is mounted between lower plate 9 and upper plate 8, cylinder Piston (piston mandril 89) and cylinder body are connected with lower plate 9 and upper plate 8 respectively.

Need to lift upper plate 8 and when counterweight adds discharge mechanism, the screw 93 unscrewing fixed upper plate 8 and being oriented between optical axis 4, Upper top gas cylinder 99 moves, and adds discharge mechanism 80 and intermediate plate 7 to jack up upper plate 8, counterweight, the connector sleeve outside linear bearing 5 Annular groove is arranged on guiding optical axis 4 in upper setting spring catch 6, upper top gas cylinder 99 jacks up upper plate 8, counterweight adds discharge mechanism 80 and When intermediate plate 7, in the annular groove of the insertion guiding optical axis 4 of spring catch 6, or it is not provided with annular groove, it is sliding that spring catch 6 is inserted directly into straight line The upper surface of rail 4, when losing gas suddenly to avoid upper top gas cylinder 99, upper plate 8 lands suddenly, guarantees operation when counterweight is removed and placed into The personal safety of person.

It is as shown in the figure the principle of the present invention.Cylinder is jacked up in the present invention can use leading screw and nut mechanism, hydraulic cylinder machine Structure, electromagnetic drive mechanism or other mechanisms that linear motion may be implemented realize.

The raise the price sequence combination mode of raising the price of mode and plate-like counterweight of the independent assortment of tubular counterweight is combined and is made by the present invention With, make full use of two kinds raise the price mode the advantages of, realize different counterweight weight with less counterweight quantity and lesser volume Combination and load.

Apparatus of the present invention use three-plate type structure, and upper plate, lower plate and line slide rail are fixed, and constitute basic framework, intermediate plate It can be moved on line slide rail；Lower plate is connected with intermediate plate by fixing sleeve, and fixing sleeve can be linear bearing, and straight line is sliding Rail is fixed on lower plate by fixing sleeve and backing plate, and intermediate plate can realize up and down motion by linear bearing；It can pacify in the present apparatus Dress corresponding control counterweight such as adds unloading, floats at the device of movements, realizes to add automatically and unloads code.

Add for current piston manometer unload counterweight rely primarily on it is artificial realize that counterweight adds unloading, the not no dress of support guide Set the stability and reliability for guaranteeing work.And using three hardened structures that linear bearing is installed, intermediate plate is by linear bearing in straight line Counterweight movement is realized plus is unloaded in movement on sliding rail, simple and practical in structure, reliability and stability are high.It will not occur when counterweight loads The problems such as inclination.Add discharge mechanism using jacking up cylinder and jacking up upper plate and control counterweight, manual labor can be reduced, conveniently Realize that counterweight is placed and taken out.

In the case of the present invention does not interfere significantly with system generation, guarantee that pallet counterweight and counterweight revolving speed meet setting value.When When pallet counterweight rotator inertia deficiency, applying external force to pallet counterweight rotates pallet counterweight, can not when manually applying active force Its size is accurately controlled, the original rotary state of pallet counterweight is easily destroyed, reduces measurement efficiency and reading accuracy, and Injury may be generated to piston rod.The present invention is intermittent to pallet counterweight by the gas nozzle that is evenly arranged in around pallet counterweight It blows to improve velocity of rotation, until pallet counterweight velocity of rotation meets the requirement of setting value, since gas nozzle is evenly arranged in support Around disk counterweight, the gas pressure generated to pallet counterweight is also uniformly distributed along pallet counterweight periphery, therefore pallet counterweight stress is uniform , and due to being that gas is blown, pallet counterweight and gas nozzle are without Mechanical Contact, therefore air-blowing speedup process will not rotate pallet counterweight and produce Life interferes significantly with.

The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art within the technical scope of the present disclosure, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (8)

1. a kind of based on the counterweight loading mechanism for making pressure system, which is characterized in that including connection lower piston bar (92) for claiming The piston weight (31) of weight or pressure calibration；

Piston weight (31) top is mounted at the top nozzle center of tubular hanging basket counterweight (33)；The hanging basket counterweight (33) barrel bottom outside connects radial cyclic annular weight tray (23), carries and is stacked on the weight tray (23) Cyclic annular plate-like counterweight (22)；

Piston weight (31) top also passes through connection structure and connects out the support being located above the hanging basket counterweight (33) Disk counterweight (34)；One group of tubular counterweight (20) being nested with is provided on the pallet counterweight (34)；

The plate-like counterweight (22) is provided with plate-like counterweight loading and unloading unit；

The tubular counterweight (20) is provided with tubular counterweight loading and unloading unit；

In addition, lower piston bar (92) association is made the output end (44) of pressure system and is stretched by the output end (44) driving Contracting；

It includes for making the piston cylinder of pressure (61) and piston (60) that the pressure, which makes pressure system, and the piston (60) is connected to one Lead screw (57), the lead screw (57) connect the screw rod set (56) of an axial restraint；The screw rod set (56) passes through a clutch Device (54) is connected to the first servo motor (51) for driving screw rod set (56) rotation；

The pressure output end of the piston cylinder (61) is connected to the meter adapting-seat (77) and relief valve of pressure gauge (78) side by side (74)；

The pressure chamber at piston cylinder (61) the pressure output end rear portion connects the output end of an increase valve (73), the increase valve (73) fuel feeding end is connected to pre- press pump (70) oil outlet；The oil inlet of the pre- press pump (70) is connected to lubricating cup (75)；

The pumping executing agency of the pre- press pump (70), the switching motion mechanism of the relief valve (74) and the increase valve (73) switch motion mechanism passes through clutch respectively and is connected to power output part.

2. according to claim 1 based on the counterweight loading mechanism for making pressure system, which is characterized in that the pre- press pump (70) is Housing structure, the pumping executing agency of the pre- press pump (70) are precompressed sucker rod (72).

3. according to claim 1 based on the counterweight loading mechanism for making pressure system, which is characterized in that the unidirectional oil circuit in system It is realized by setting check valve.

4. according to claim 1 based on the counterweight loading mechanism for making pressure system, which is characterized in that in the piston cylinder (61) Displacement sensor (59) for determining the mobile terminal position of the piston (60), institute's displacement sensors (59) connection are set Control terminal for the piston (60) limit.

5. according to claim 1 based on the counterweight loading mechanism for making pressure system, which is characterized in that the piston cylinder (61) Pressure output end is also provided with pressure sensor (76), and the pressure sensor (76) is connected to for controlling first servo The controller of motor (51) revolving speed.

6. according to claim 1 based on the counterweight loading mechanism for making pressure system, which is characterized in that the tubular counterweight and institute The structure for stating tubular counterweight loading and unloading unit is

The driving mechanism that the upper end setting of each layer tubular counterweight (20) drives the tubular counterweight (20) to move up and down；Institute It states below tubular counterweight (20) as weighing or the pallet counterweight (34) of pressure detecting；The tubular counterweight (20) is from inside to outside Height is successively successively decreased；Each tubular counterweight (20) upper end outer cylinder setting support protrusion (91)；

The driving mechanism includes one group of the corresponding circumferentially spaced about setting of each tubular counterweight (20) support protrusion (91) The support code bar (27) of horizontal extension, each support code bar (27) rear portion connect support code bar driving cylinder (24)；Each institute Support code bar driving cylinder (24) is stated to be fixed on the support code pylon (25) that one is vertically driven by drawing counterweight cylinder (98).

7. according to claim 6 based on the counterweight loading mechanism for making pressure system, which is characterized in that the support code pylon (25) State at the top of the corresponding tubular counterweight (20) is arranged in pyramidal structure；Support code bar (27) described in each group is at least 3.

8. according to claim 1 based on the counterweight loading mechanism for making pressure system, which is characterized in that the plate-like counterweight and institute State plate-like counterweight loading mechanism are as follows:

Plate-like counterweight (22) edge is equipped with flange；

The plate-like counterweight loading mechanism includes being distributed in vertically arranged at least three identical in the plate-like counterweight (22) periphery The drawing code bar (16) of structure；The synchronized links in a manner of around own axis above move down respectively for multiple drawing code bars (16) Dynamic vertical driving unit；

Radially outer overlap joint is arranged in the flange for drawing code bar (16) to correspond to each layer plate-like counterweight (22) in the axial direction The flange faying surface of convex disk (95), each layer of the convex disk of the overlap joint (95) and the plate-like counterweight (22) is with the drawing code bar (16) direction from the bottom to top becomes larger, so that all from the plate-like counterweight (22) and each layer convex disk (95) of overlap joint Overlap joint starts, described that code bar (16) is drawn to rotate one week each layer from top to bottom convex disk (95) of the overlap joint and the plate-like counterweight (22) it is detached from overlap joint one by one.