CN204758302U - Rocking arm lifting devices of no power lock knock pin point - Google Patents
Rocking arm lifting devices of no power lock knock pin point Download PDFInfo
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- CN204758302U CN204758302U CN201520407997.2U CN201520407997U CN204758302U CN 204758302 U CN204758302 U CN 204758302U CN 201520407997 U CN201520407997 U CN 201520407997U CN 204758302 U CN204758302 U CN 204758302U
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Abstract
The utility model relates to a lifting devices that multiaxle trucks brake performance detected, specific rocking arm lifting devices of no power lock knock pin point that says so. The device is including lifting platen mechanism, support arm lifting mechanism, lifting gasbag mechanism and bottom frame mechanism, and bottom frame mechanism level is fixed on the ground, and support arm lifting mechanism fixes both ends about bottom frame mechanism top, lifts the gasbag establishment of institution and passes through bolt fixed connection at four angles of bottom frame mechanism top with bottom frame mechanism, lift the platen establishment of institution support arm lifting mechanism, lift gasbag mechanism and bottom frame mechanism the top with support arm lifting mechanism, lift gasbag mechanism and pass through bolt fixed connection. The utility model provides a rocking arm lifting devices of no power lock knock pin point, wherein support arm lifting mechanism take to walk around the unstable position in dead point and carry out the locking action that lifts, descends, can inspect the multiaxis freight train, by and the road train that constitutes of dress axle semitrailer brake the problem of security.
Description
Technical field
The utility model relates to the lifting device of multiaxle trucks brake function test, specifically a kind of rocking arm lifting device of unpowered locking summit.
Background technology
Along with developing rapidly of the modernization of national defense and national economy, the special vehicle of some high-power, large load-bearing capacitys is widely used.Owing to being subject to the restriction of pavement conditions, traffic law, the simple load-bearing capacity relying on the single axle of increase, reduces complete vehicle quality own through not reaching requirement, can only be met the requirement of national standard by the quantity increasing axletree.Therefore the usage safety performance of multiple-axle vehicle comes into one's own further.
According in the GB21861 " Vehicle Security Interventions Requested and method " of up-to-date revision, standard revision gives top priority to what is the most important vehicle, enhances the safety technique examination requirements of school bus, large and medium bus, heavy medium truck, trailer.For multiaxis lorry, to loading brake inspection be carried out by also filling the truck combination that axle semitrailer forms, then adopting the drum reaction brake test bench with stage body lifting function, on present home market, also there is no the application of this type of check-out console.
The patent No.: 95223459.9 patent discloses a kind of repair lifting platform for vehicle, by pedestal, support stage body and elevating mechanism and form, support stage body and be hinged on pedestal with rotating shaft, form seesaw structure; Elevating mechanism in the side of rotating shaft, upper end with support stage body hinged, lower end and pedestal hinged.
The patent No.: 201420267341.0 patent discloses a kind of motor vehicle repair hydraulic lifting platform, comprise two cover lifting frames, lifting frame has the left and right sides to be shaped with the underframe of lower raceway, it is characterized in that on underframe, be connected with two groups of centres in X-shaped has the cross-coupled sway brace of hinge, the lower end of sway brace is connected with underframe, the upper end of sway brace is connected with for the table top parking wheel, the left and right sides under table top is shaped with raceway, hydraulic cylinder is connected with between sway brace and underframe, and the opening angle of piston rod extension and contraction control two groups of cross connection sway braces by hydraulic cylinder, make the parallel rise of table top or transfer, hydraulic cylinder in this two covers lifting frame is connected with same pedal hydraulic lifting jack respectively through two hydraulic oil pipes, realize trailing wheel or the front-wheel of the lifting automobile left and right sides simultaneously.
These two kinds of lift racks above-described all can not realize at the unpowered locking of lifting peak, and floor area is large, be unfavorable for that the layout of testing table is laid, the use that anti-force type drum braking is tested can not be coordinated, more can not realize the test that multiaxle trucks load braking ability.
Therefore, develop simple and reasonable, for axle lorry, loading brake test bench by also filling the truck combination that axle semitrailer forms, carrying out specification multiaxle trucks with this and loading braking ability, guaranteeing that it has better safety and reliability, has been an extremely urgent task.
Summary of the invention
The purpose of this utility model will solve on current market to need a kind of brake test bench that loads badly to check multiaxis lorry, by the problem also filling the truck combination braking safety that axle semitrailer forms, and provides a kind of rocking arm lifting device of unpowered locking summit.
Technical solutions of the utility model are described as follows in conjunction with Figure of description:
A kind of rocking arm lifting device of unpowered locking summit, this device comprises lifting table mechanism A, support arm lifting mechanism B, Lifting air sac mechanism C and bottom frame mechanism D, described bottom frame mechanism D is horizontally fixed on ground, described support arm lifting mechanism B is fixed on the two ends, left and right above bottom frame mechanism D, and described Lifting air sac mechanism C is arranged on four angles above bottom frame mechanism D and bottom frame mechanism D is bolted to connection; Described lifting table mechanism A is arranged on the top of support arm lifting mechanism B, Lifting air sac mechanism C and bottom frame mechanism D and support arm lifting mechanism B is bolted to connection, and described lifting table mechanism A and Lifting air sac mechanism C is fixed by thru-bolt.
Described lifting table mechanism A comprises platen 1, No. 1 four angle sheave assembly 2 and No. 2 four angle sheave assemblies 3; No. 1 described four angle sheave assemblies 2 are identical with No. 2 four angle sheave assembly 3 structures, and No. 1 four angle sheave assemblies 2 and No. 2 four angle sheave assemblies 3 are symmetrically welded the centre position, the left and right sides being arranged on platen 1.
Described support arm lifting mechanism B comprises No. 1 guide rail square tube assembly 4, No. 2 guide rail square tube assemblies 5, rocking arm assembly 6 and cylinder assemblies 7; No. 1 guide rail square tube assembly 4, No. 2 guide rail square tube assemblies 5 are arranged on the two ends of rocking arm assembly 6 and rocking arm assembly 6 is slidably connected, and described cylinder assembly 7 is arranged in the middle of rocking arm assembly 6 hinged with rocking arm assembly 6.
No. 1 described guide rail square tube assembly 4 is identical with No. 2 guide rail square tube assembly 5 structures; No. 1 described guide rail square tube assembly 4 comprises rocking arm postive stop baffle 8, caging bolt assembly 9 and guide rail square tube 10; Described rocking arm postive stop baffle 8 is arranged on one end of guide rail square tube 10, and the central hole location that described caging bolt assembly 9 is arranged on rocking arm postive stop baffle 8 is connected by the opening part of bolt with guide rail square tube 10; Described guide rail square tube 10 one side has a long open slot, and another side has multiple bolt hole.
Described rocking arm assembly 6 comprises rocking arm 11, pulley 12 and rocker arm bearer assembly 13; Described pulley 12 is arranged on two support arm upper ends of rocking arm 11 and is connected by axle; Described rocking arm 11 lower end both sides rotating shaft and rocker arm bearer assembly 13 hinged; Described cylinder assembly 7 by its piston rod upper end and rocking arm 11 middle part hinged; Described pulley 12 is arranged on below No. 1 guide rail square tube assembly 4 and is slidably connected with No. 1 guide rail square tube assembly 4.
Described Lifting air sac mechanism C comprises air bag assembly 14 and card extender 15; Described card extender 15 is arranged on air bag assembly 14 lower end and air bag assembly 14 is bolted to connection.
Described bottom frame mechanism D comprises No. 1 channel-section steel 16, No. 2 channel-section steels 17, No. 3 channel-section steels 18, No. 4 channel-section steels 19, four rectangular slabs 20, No. 1 gathering sill 21 and No. 2 gathering sills 22; The identical longitudinal both sides being horizontally set on bottom frame mechanism D of No. 1 described channel-section steel 16, No. 2 channel-section steel 17 structures, groove is upward; No. 3 described channel-section steels 18, No. 4 channel-section steel 19 horizontal cross are symmetrical arranged, and groove down; No. 1 described channel-section steel 16, No. 2 channel-section steels 17, No. 3 channel-section steels 18, No. 4 channel-section steel 19 transverse and longitudinals are alternate to be welded together; Four described rectangular slabs 20 are welded on four angles of bottom frame mechanism D, and every two relative rectangular slabs 20 have relative notch; No. 1 described gathering sill 21 is identical with No. 2 gathering sill 22 structures, be vertically welded in the outside of No. 1 channel-section steel 16, No. 2 channel-section steels 17, all there is floor described No. 1 gathering sill 21 and the both sides of No. 2 gathering sills 22, are welded and fixed outside floor and No. 1 channel-section steel 16, No. 2 channel-section steels 17; Described No. 1 gathering sill 21 and No. 2 gathering sill 22 top are processed with the erection bolt hole for installing No. 1 limiting plate 23 and No. 2 limiting plates 24; No. 1 described four angle sheave assemblies 2 are arranged in No. 1 gathering sill 21, and No. 2 four angle sheave assemblies 3 are arranged in No. 2 gathering sills 22.
Described 4 air bag assemblies 14 and 4 card extenders 15 are arranged on directly over four rectangular slabs 20 and are bolted to connection with rectangular slab 20.
The beneficial effects of the utility model are:
1, the rocking arm lifting device on unpowered locking summit described in the utility model adopts the support arm lifting mechanism of two cover slider-crank mechanisms to carry out lifting, dropping action, reasonable in design, can need less cylinder thrust just can realize the dropping action of lifting platen fast and only.
2, the rocking arm lifting device on unpowered locking summit described in the utility model adopts air bag to coordinate cylinder to work to lifting and landing, makes the rising of lifting platen and landing can stress equalization, also has the effect of buffering.
What the mode that 3, the support arm lifting mechanism of the rocking arm lifting device on unpowered locking summit described in the utility model takes the position walking around dead point instability to carry out locking made that lifting platen can be stable is in extreme higher position, at this moment air bag and cylinder can stop inflation, greatly reduce the loss of the energy, extend the serviceable life of air bag and cylinder.
Accompanying drawing explanation
Fig. 1 is that the axle of the rocking arm lifting device on unpowered locking summit of the present utility model measures intention;
Fig. 2 is that schematic diagram is looked on the right side, lifting extreme higher position of the rocking arm lifting device on unpowered locking summit of the present utility model;
Fig. 3 is that schematic diagram is looked on the landing extreme lower position right side of the rocking arm lifting device on unpowered locking summit of the present utility model;
Fig. 4 is that schematic diagram is looked on the lifting table mechanism right side of the present utility model;
Fig. 5 is the utility model Fig. 4 A-A place cut-open view;
Fig. 6 is that No. 1 support arm lifting mechanism axle of the present utility model measures intention;
Fig. 7 is that No. 1 guide rail square tube assembly axle of the present utility model measures intention;
Fig. 8 is rocking arm assembly front elevation of the present utility model;
Fig. 9 is the utility model Fig. 8 C-C place cut-open view zoomed-in view;
Figure 10 is that Lifting air sac mechanism shaft of the present utility model measures intention;
Figure 11 is that the axle of bottom frame mechanism of the present utility model measures intention;
Figure 12 is that the axle that bottom frame mechanism of the present utility model and support arm lifting mechanism, Lifting air sac mechanism assemble measures intention.
In figure:
1. platen, No. 2.1 four angle sheave assemblies, No. 3.2 four angle sheave assemblies, No. 4.1 guide rail square tube assemblies, No. 5.2 guide rail square tube assemblies, 6. rocking arm assemblies, 7. cylinder assembly, 8. rocking arm postive stop baffle, 9. caging bolt assembly, 10. guide rail square tube, 11. rocking arms, 12. pulley 13. rocker arm bearer assemblies, 14. air bag assemblies, 15. card extenders, No. 16.1 channel-section steels, No. 17.2 channel-section steels, No. 18.3 channel-section steels, 19.4 number channel-section steel, 20. 4 rectangular slabs, No. 21.1 gathering sills, No. 22.2 gathering sills, No. 23.1 limiting plates, No. 24.2 limiting plates.
Embodiment
Consult Fig. 1, Fig. 2, Fig. 3, Figure 12, a kind of rocking arm lifting device of unpowered locking summit, this device comprises lifting table mechanism A, support arm lifting mechanism B, Lifting air sac mechanism C and bottom frame mechanism D, described bottom frame mechanism D is horizontally fixed on ground, described support arm lifting mechanism B is fixed on the two ends, left and right above bottom frame mechanism D, and described Lifting air sac mechanism C is arranged on four angles above bottom frame mechanism D and bottom frame mechanism D is bolted to connection; Described lifting table mechanism A is arranged on the top of support arm lifting mechanism B, Lifting air sac mechanism C and bottom frame mechanism D and support arm lifting mechanism B is bolted to connection, and described lifting table mechanism A and Lifting air sac mechanism C is fixed by thru-bolt.
Consult Fig. 4, Fig. 5, described lifting table mechanism A comprises platen 1, No. 1 four angle sheave assembly 2 and No. 2 four angle sheave assemblies 3;
Described platen 1 to be interlocked the rectangular slab be welded by rectangle steel transverse and longitudinal, the front and rear side balsh plate of the lower surface of platen 1 is processed with some bolts hole along direction from left to right or from right to left, is convenient to No. 1 guide rail square tube assembly 4, No. 2 guide rail square tube assemblies 5 etc. in support arm lifting mechanism B and installs with it fixing by bolt; The lower surface of platen 1 and upper surface are processed with vertical through hole, every four four angles places being arranged in platen, and quadrate is evenly distributed, for installing the upper surface of air bag assembly 14;
No. 1 described four angle sheave assemblies 2 are identical with No. 2 four angle sheave assembly 3 structures, and No. 1 four angle sheave assemblies 2 and No. 2 four angle sheave assemblies 3 are symmetrically welded the centre position, the left and right sides being arranged on platen 1.No. 1 described four angle sheave assemblies 2 are made up of four angle sheaves and a trapezoidal steel plate, the one side of trapezoidal steel plate is processed with four boss installing angle sheave, position lays respectively at the both sides up and down of trapezoidal steel plate, four boss form a rectangle, left and right is symmetrical up and down, arrange near edges of plate as far as possible, trapezoidal steel plate is arranged 4-8 hole, be convenient to the fixed installation of assembly; Four angle sheaves are arranged on four boss respectively.
Consult Fig. 6, described support arm lifting mechanism B comprises No. 1 guide rail square tube assembly 4, No. 2 guide rail square tube assemblies 5, rocking arm assembly 6 and cylinder assemblies 7; No. 1 guide rail square tube assembly 4, No. 2 guide rail square tube assemblies 5 are arranged on the two ends of rocking arm assembly 6 and rocking arm assembly 6 is slidably connected, and described cylinder assembly 7 is arranged in the middle of rocking arm assembly 6 hinged with rocking arm assembly 6.
Consult Fig. 6, Fig. 7, No. 1 described guide rail square tube assembly 4 is identical with No. 2 guide rail square tube assembly 5 structures; No. 1 described guide rail square tube assembly 4 comprises rocking arm postive stop baffle 8, caging bolt assembly 9 and guide rail square tube 10; Described guide rail square tube 10 is a kind of rectangular parallelepiped steel-tube constructions, both ends open, rectangular one side processing open slot, and one side processes some bolts hole corresponding thereto, and be convenient to it and install fixing, the end face of open slot one end is installed by bolt and rocking arm postive stop baffle 8.The central hole location that described caging bolt assembly 9 is arranged on rocking arm postive stop baffle 8 is connected by the opening part of bolt with guide rail square tube 10; Described guide rail square tube 10 one side has a long open slot, and another side has multiple bolt hole.
Consult Fig. 8, Fig. 9, described rocking arm assembly 6 comprises rocking arm 11, pulley 12 and rocker arm bearer assembly 13; Described pulley 12 is arranged on two support arm upper ends of rocking arm 11 and passes through pinned connection; Described rocking arm 11 lower end both sides rotating shaft and rocker arm bearer assembly 13 hinged; Described cylinder assembly 7 by its piston rod upper end and rocking arm 11 middle part hinged; Described pulley 12 is arranged on below No. 1 guide rail square tube assembly 4 and is slidably connected with No. 1 guide rail square tube assembly 4.Rocking arm assembly 6 is installed together by its pulley 12 and No. 1 guide rail assembly 4, along with rocking arm 11 rotates relative to rocker arm bearer assembly 13, pulley 12 can move forward and backward within the specific limits in guide rail square tube 10, pulley 12 to reach capacity position to left movement, namely pulley 12 contacts compacting with caging bolt assembly 9, when pulley 12 drives rocking arm 11 to move right to reach capacity position, namely the bottom surface of guide rail square tube 11 contacts compacting with rocker arm bearer 13.
Consult Figure 10, described Lifting air sac mechanism C comprises air bag assembly 14 and card extender 15; Together with the upper surface of described air bag assembly 14 and the lower surface of platen 1 are fixed on by thru-bolt, its excess-three air bag assembly to be contacted with the lower surface of platen 1 by such mode equally and is installed together; Described card extender 15 is arranged on air bag assembly 14 lower end and air bag assembly 14 is bolted to connection; The lower end of air bag assembly 15 is provided with vent line and is convenient to being filled with of gas.
Consult Figure 11, described bottom frame mechanism D comprises No. 1 channel-section steel 16, No. 2 channel-section steels 17, No. 3 channel-section steels 18, No. 4 channel-section steels 19, four rectangular slabs 20, No. 1 gathering sill 21 and No. 2 gathering sills 22; The identical longitudinal both sides being horizontally set on bottom frame mechanism D of No. 1 described channel-section steel 16, No. 2 channel-section steel 17 structures, groove is upward; No. 3 described channel-section steels 18, No. 4 channel-section steel 19 horizontal cross are symmetrical arranged, and groove down; No. 1 described channel-section steel 16, No. 2 channel-section steels 17, No. 3 channel-section steels 18, No. 4 channel-section steel 19 transverse and longitudinals are alternate to be welded together; Four described rectangular slabs 20 are welded on four angles of bottom frame mechanism D, and every two relative rectangular slabs 20 have relative notch; No. 1 described gathering sill 21 is identical with No. 2 gathering sill 22 structures, be vertically welded in the outside of No. 1 channel-section steel 16, No. 2 channel-section steels 17, all there is floor described No. 1 gathering sill 21 and the both sides of No. 2 gathering sills 22, are welded and fixed outside floor and No. 1 channel-section steel 16, No. 2 channel-section steels 17; Described No. 1 gathering sill 21 and No. 2 gathering sill 22 top are processed with the erection bolt hole for installing No. 1 limiting plate 23 and No. 2 limiting plates 24.
Consult Figure 12, the card extender 15 of described Lifting air sac mechanism C is bolted fixing with four rectangular slabs 18 of bottom frame mechanism D, and the open slot of card extender 15 is corresponding with the open slot position of the rectangular slab of bottom frame mechanism D; The rocker arm bearer assembly 13 of rocking arm assembly 6 is arranged on the front portion of No. 1 channel-section steel 16, No. 2 channel-section steels 17 of bottom frame mechanism D by bolt, the hinged-support of cylinder assembly 7 is arranged on No. 3 channel-section steels 18; The installation of each assembly relative with above-mentioned installation is symmetrical therewith.Together with No. 1 limiting plate 23 and No. 2 limiting plates 24 to be fixed on the bolt hole of No. 2 gathering sill 22 upper ends by bolt and No. 1 gathering sill 21, prevent No. 1 four angle sheave assemblies 2 and No. 2 four angle sheave assemblies 3 from moving out outside reasonable stroke in lifting process.
Consult Fig. 5, Figure 12, No. 1 four angle sheave assemblies 2 are arranged in No. 1 gathering sill 21, No. 2 four angle sheave assemblies 3 are arranged in No. 2 gathering sills 22, ensure that No. 1 four angle sheave assemblies 2 and No. 2 four angle sheave assemblies 3 can slide up and down in No. 1 gathering sill 21 and No. 2 gathering sills 22.
The principle of work of the rocking arm lifting device on unpowered locking summit:
Lift process: cylinder assembly 7 and the Lifting air sac mechanism C of both sides inflate simultaneously, the piston rod of cylinder assembly 7 is made to drive the rocking arm 11 of both sides to carry out rotation to the inside around rocker arm bearer assembly 13, thus band travelling block 12 slides from Inside To Outside in guide rail square tube assembly 4, reach the state contacting compacting with caging bolt assembly 9, line and the vertical direction of the spindle central of contact point and rocking arm 11 are angled, whole rocking arm assembly 6 can be made to be in stuck position, now do not need to inflate Lifting air sac mechanism C and cylinder assembly 7, platen 1 also can be in the highest lift location, keep stable not fall.
Dropping process: cylinder assembly 7 inflation in the other direction of both sides, now the piston rod of cylinder assembly 7 inwardly pulls the rocking arm 11 of both sides to turn to the inside around rocker arm bearer assembly 13, thus band travelling block 12 in guide rail square tube assembly 4 from outside as inner slide, the bottom surface reaching guide rail square tube 11 contacts the extreme position of compacting, the extreme lower position namely fallen with rocker arm bearer 13.
Claims (7)
1. the rocking arm lifting device on a unpowered locking summit, it is characterized in that, this device comprises lifting table mechanism (A), support arm lifting mechanism (B), Lifting air sac mechanism (C) and bottom frame mechanism (D), described bottom frame mechanism (D) is horizontally fixed on ground, described support arm lifting mechanism (B) is fixed on the two ends, left and right of bottom frame mechanism (D) top, described Lifting air sac mechanism (C) be arranged on bottom frame mechanism (D) top four angles and bottom frame mechanism (D) be bolted to connection, described lifting table mechanism (A) is arranged on support arm lifting mechanism (B), the top of Lifting air sac mechanism (C) and bottom frame mechanism (D) and support arm lifting mechanism (B) and is bolted to connection, and described lifting table mechanism (A) and Lifting air sac mechanism (C) are fixed by thru-bolt.
2. the rocking arm lifting device on a kind of unpowered locking summit according to claim 1, it is characterized in that, described lifting table mechanism (A) comprises the platen (1) of 1 rectangle, No. 1 four angle sheave assemblies (2) and No. 2 four angle sheave assemblies (3); No. 1 described four angle sheave assemblies (2) are identical with No. 2 four angle sheave assembly (3) structures, and No. 1 four angle sheave assemblies (2) and No. 2 four angle sheave assemblies (3) are symmetrically welded the centre position, the left and right sides being arranged on platen (1).
3. the rocking arm lifting device on a kind of unpowered locking summit according to claim 1, it is characterized in that, described support arm lifting mechanism (B) comprises 2 No. 1 guide rail square tube assembly (4), 2 No. 2 guide rail square tube assemblies (5), 2 rocking arm assemblies (6) and 2 cylinder assemblies (7); 2 No. 1 described guide rail square tube assembly (4), 2 No. 2 guide rail square tube assemblies (5), 2 rocking arm assemblies (6) and 2 cylinder assemblies (7) are symmetricly set on the below of lifting table mechanism (A) both sides, No. 1 guide rail square tube assembly (4), No. 2 guide rail square tube assemblies (5) are arranged on the two ends of rocking arm assembly (6) and rocking arm assembly (6) is slidably connected, and described cylinder assembly (7) is arranged in the middle of rocking arm assembly (6) hinged with rocking arm assembly (6).
4. the rocking arm lifting device on a kind of unpowered locking summit according to claim 3, is characterized in that, No. 1 described guide rail square tube assembly (4) is identical with No. 2 guide rail square tube assembly (5) structures; No. 1 described guide rail square tube assembly (4) comprises rocking arm postive stop baffle (8), caging bolt assembly (9) and guide rail square tube (10); Described rocking arm postive stop baffle (8) is arranged on one end of guide rail square tube (10), and the central hole location that described caging bolt assembly (9) is arranged on rocking arm postive stop baffle (8) is connected by the opening part of bolt with guide rail square tube (10); Described guide rail square tube (10) one side has a long open slot, and another side has multiple bolt hole for being fixedly connected with lifting table mechanism (A).
5. the rocking arm lifting device on a kind of unpowered locking summit according to claim 4, it is characterized in that, described rocking arm assembly (6) comprises rocking arm (11), pulley (12) and rocker arm bearer assembly (13); Described pulley (12) is arranged on two support arm upper ends of rocking arm (11) and is connected by rotating shaft; Described rocking arm (11) both sides, lower end rotating shaft and rocker arm bearer assembly (13) hinged; Described cylinder assembly (7) by its piston rod upper end and rocking arm (11) middle part hinged; Described pulley (12) is arranged in the long mouth groove below No. 1 guide rail square tube assembly (4) and is slidably connected with No. 1 guide rail square tube assembly (4).
6. the rocking arm lifting device on a kind of unpowered locking summit according to claim 1, is characterized in that, described Lifting air sac mechanism (C) comprises 4 air bag assemblies (14) and 4 card extenders (15); Described card extender (15) is arranged on air bag assembly (14) lower end and air bag assembly (14) is bolted to connection.
7. the rocking arm lifting device on a kind of unpowered locking summit according to claim 6, it is characterized in that, described bottom frame mechanism (D) comprises No. 1 channel-section steel (16), No. 2 channel-section steels (17), No. 3 channel-section steels (18), No. 4 channel-section steels (19), four rectangular slabs (20), No. 1 gathering sill (21) and No. 2 gathering sills (22); No. 1 described channel-section steel (16), No. 2 identical longitudinal both sides being horizontally set on bottom frame mechanism (D) of channel-section steel (17) structure, groove is upward; No. 3 described channel-section steels (18), No. 4 channel-section steel (19) horizontal cross are symmetrical arranged, and groove down; No. 1 described channel-section steel (16), No. 2 channel-section steels (17), No. 3 channel-section steels (18), No. 4 channel-section steel (19) transverse and longitudinals are alternate welds together; Four described rectangular slabs (20) are welded on four angles of bottom frame mechanism (D), and every two relative rectangular slabs (20) have relative notch; No. 1 described gathering sill (21) is identical with No. 2 gathering sill (22) structures, be vertically welded in the outside of No. 1 channel-section steel (16), No. 2 channel-section steels (17), all there is floor No. 1 described gathering sill (21) and the both sides of No. 2 gathering sills (22), and floor and No. 1 channel-section steel (16), No. 2 channel-section steel (17) outsides are welded and fixed; No. 1 described gathering sill (21) and No. 2 gathering sill (22) top are processed with the erection bolt hole for installing No. 1 limiting plate (23) and No. 2 limiting plates (24), No. 1 described four angle sheave assemblies (2) are arranged in No. 1 gathering sill (21), No. 2 four angle sheave assemblies (3) are arranged in No. 2 gathering sills (22), and 4 described air bag assemblies (14) and 4 card extenders (15) are arranged on directly over four rectangular slabs (20) and are bolted to connection with rectangular slab (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520407997.2U CN204758302U (en) | 2015-06-13 | 2015-06-13 | Rocking arm lifting devices of no power lock knock pin point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520407997.2U CN204758302U (en) | 2015-06-13 | 2015-06-13 | Rocking arm lifting devices of no power lock knock pin point |
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| Publication Number | Publication Date |
|---|---|
| CN204758302U true CN204758302U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520407997.2U Expired - Fee Related CN204758302U (en) | 2015-06-13 | 2015-06-13 | Rocking arm lifting devices of no power lock knock pin point |
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| Country | Link |
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| CN (1) | CN204758302U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865080A (en) * | 2015-06-13 | 2015-08-26 | 吉林大学 | Rocker arm lifting device capable of realizing unpowered locking at apex |
-
2015
- 2015-06-13 CN CN201520407997.2U patent/CN204758302U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865080A (en) * | 2015-06-13 | 2015-08-26 | 吉林大学 | Rocker arm lifting device capable of realizing unpowered locking at apex |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20180613 |
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| CF01 | Termination of patent right due to non-payment of annual fee |