CN203143997U

CN203143997U - Jack fixed on slope

Info

Publication number: CN203143997U
Application number: CN 201320101212
Authority: CN
Inventors: 叶培玉
Original assignee: NINGBO TIANYI SHAFT CO Ltd
Current assignee: NINGBO TIANYI SHAFT CO Ltd
Priority date: 2013-03-06
Filing date: 2013-03-06
Publication date: 2013-08-21
Anticipated expiration: 2023-03-06

Abstract

The utility model discloses a jack fixed on a slope, which comprises a jack; a base is provided with at least three No. 5 through holes, No. 4 nuts are fixed in the No. 5 through holes, No. 4 bolts are arranged to be in thread connection with the No. 4 nuts by the No. 5 through holes, at least three No. 6 through holes are formed in a tray, a third support arm is provided with No. 7 through holes, a fourth support arm is provided with No. 8 through holes, the third support arm is fixed on the tray by the No. 6 and No. 7 through holes through the No. 5 bolts, and the fourth support arm is fixed on the tray by the No. 6 and No. 8 through holes through the No. 6 bolts. The jack disclosed by the utility model can stably support a vehicle on a slope or a rugged slope.

Description

Fixing jack on the slope

Technical field

[0001] the utility model belongs to fixing jack on the slope.

Background technology

Jack is that a kind of the top with rigidity lifted part as equipment, the light little weight-lifting equipment of jacking weight in stroke by top bracket or bottom claw.Can be divided into 3 kinds of tooth bar jack, lifting screw and hydraulic jacks by architectural feature.Jack is the simplest weight-lifting equipment of a kind of lifting highly little (less than 1m).It has two kinds of mechanical type and fluid pressure types.The mechanical type jack has rack-and-pinion and spiral two kinds again, because hoisting capacity is little, the operation effort generally only is used for flight-line maintenance work, and is inapplicable in repairing the bridge process.Fluid pressure type jack structure compactness, stable working has self-locking action, so use extensively.Its shortcoming is that lifting is highly limited, and lifting velocity is slow.The kind of car jack can be divided into four kinds of tooth bar jack, lifting screw and hydraulic jack and inflatable jacks.When automobile on the slope during et out of order, car jack commonly used is placed on when using on the slope, because terrestrial attraction effect and overturning on one side need hold up jack, is shaken on one side with the jack rising, such mode quite bothers, and not easy to operate through regular meeting.On rough slope, it is more inconvenient to operate, and after jack rose, jack remained and heads on automobile sideling, does so not only to head on not firmly, has potential safety hazard more.Need a kind of easily, the use on the slope of safety, special easily, the jack that uses on rough slope of safety.

Summary of the invention

The utility model provides the jack of stable support automobile on the slope at the prior art deficiency.

In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals: fixing jack on the slope, comprise jack, described jack comprises first hold-down arm, second hold-down arm, the 3rd hold-down arm, the 4th hold-down arm, described first hold-down arm and second hold-down arm support and connection place are provided with base, and described the 3rd hold-down arm and the 4th hold-down arm junction are provided with pallet.Offer at least three No. five through holes on the described base, on described No. five through holes nut is arranged fixedly all No. four, being provided with No. four bolts is connected with No. four nut threads by described No. five through holes, offer at least three No. six through holes on the described pallet, described the 3rd hold-down arm offers through hole No. seven, described the 4th hold-down arm offers through hole No. eight, described the 3rd hold-down arm is bolted on the described pallet by No. five by No. seven through holes and No. six through holes, and described the 4th hold-down arm is bolted on the described pallet by No. six by No. eight through holes and No. six through holes.

In the technique scheme, described No. five through holes are positioned at the base edge position.No. five lead to the hole site determines bolt position No. four, and the position is more leaned on the limit, and bearing force is got over balance, and the support process is also safer.

In the technique scheme, described No. four bolts are positioned at away from one end end, ground and offer through hole No. nine, are equipped with latch on described No. nine through holes.No. four bolt can come off because rotate to the limit, when the limit, need careful slowly rotation, wear latch and avoided this class problem, No. four bolts of fast speed rotation always, strengthen rotation efficiency, eliminate a series of troubles that cause because of No. four bolt fallings.

The utility model compared with prior art has following beneficial effect: the utility model can use on the slope, and jack is overturning-free when guaranteeing to use on the slope.On rough slope, can place jack by pulsation-free, avoid jack commonly used directly to be placed on the not steady of uneven road surface top bottom-disc.Because vehicle body tilts on the slope, pallet arranges a plurality of through holes, can come tilt tray by the installation site of mobile hold-down arm, guarantees the maximization of pallet and automobile contact surface, and jack-up is come more steady.No. four bolt wears latch, avoids coming off of No. four bolts.

Description of drawings

Fig. 1 is scissors jack scheme drawing.

Fig. 2 places scheme drawing on the slope for device and jack among the embodiment 1.

Fig. 3 is stay bearing plate and strut bar combination scheme drawing among the embodiment 1.

Fig. 4 is the outer bar of strut bar and scheme drawing separately after interior bar separates among the embodiment 1.

Fig. 5 is jack side schematic view among the embodiment 1.

Fig. 6 is stay bearing plate schematic top plan view among the embodiment 1 (fixing jack and block release jack scheme drawing for block among the figure).

Fig. 7 places scheme drawing on the slope for device and jack among the embodiment 2.

Fig. 8 is jack side schematic view among the embodiment 2.

Fig. 9 is base elevational schematic view among the embodiment 2.

Figure 10 is that No. four bolts, base and No. four nuts separate scheme drawing among the embodiment 2.

Figure 11 is that No. four bolts separate scheme drawing with latch among the embodiment 2.

The specific embodiment

Below in conjunction with accompanying drawing and the specific embodiment the utility model is described in further detail: referring to Fig. 1 ~ 6, a kind of fixing jack on the slope, comprise jack, described jack comprises first hold-down arm 1, second hold-down arm 2, the 3rd hold-down arm 3, the 4th hold-down arm 4, described first hold-down arm 1 and the 3rd hold-down arm 3 are flexibly connected by first active connection part 12, described second hold-down arm 2 and the 4th hold-down arm 4 are flexibly connected by second active connection part 13, first active connection part 12 and second flexibly connects 13 ones and is all passed by a screw rod 14, described first hold-down arm 1 and second hold-down arm, 2 junctions are provided with base 5, and described the 3rd hold-down arm 3 and the 4th hold-down arm 4 junctions are provided with pallet 6.

Also comprise stay bearing plate 101, described stay bearing plate 101 is provided with the groove 102 that is complementary with described base 5, base 5 can be put into groove 102 fully, and can easily take out, described stay bearing plate 101 hinged at least two strut bars 103, described strut bar 103 can be hinged on the ipsilateral of stay bearing plate 101, also can be adjacent two sides, also can be relative two sides, also or be directly installed in the stay bearing plate 101, all can reach the effect that needs.Described strut bar 103 comprises outer bar 104 and interior bar 105, on the described outer bar 104 from top to bottom and be on the same straight line uniformly, be provided with at least two one number service holes 106, ten one number service holes 106 generally can be set, can adapt to most positions that needs are generally speaking regulated.Bar 105 tops are provided with through hole 107 No. two in described, interior bar 105 tops are away from that end of ground, nut fixedly is arranged in the bar 105 on described No. two through holes 107, and described interior bar 105 and outer bar 104 pass one number service hole 106 by bolt and are connected with No. two through holes 107 and with nut thread and fix.When the needs adjusting position, rotate bolt, interior bar 105 is moved up and down decides elongation or shorten, choose suitable position after, bolts and nuts are threaded, interior bar 105 and outer bar 104 are fixed together.

Offer at least three through holes 108 on the described pallet 6, through hole 108 by pallet 6 center positions evenly diffuses out a plurality of through holes 108 to both sides, described the 3rd hold-down arm 3 offers through hole 109 No. three, described the 4th hold-down arm 4 offers through hole 110 No. four, described the 3rd hold-down arm 3 by No. three through holes 109 and through hole 108 by detachably being fixed on the described pallet 6, described the 4th hold-down arm 4 by No. four through holes 110 and through hole 108 by detachably being fixed on the described pallet 6.When the 3rd hold-down arm 3 and the 4th hold-down arm 4 were fixed on the through hole 108 of position, pallet 6 middle simultaneously, pallet 6 kept flat.In the time of pallet 6 need being tilted, only one of them hold-down arm need be separated from the through hole 108 of position, pallet 6 middle, and be fixed on other the through hole 108, at this moment, an end just up carries on naturally, and pallet tilts naturally.Can adjust the degree of dip of pallet 6 by the fixed position of conversion the 3rd hold-down arm 3 or the 4th hold-down arm 4.

During use, at first adjust the height of strut bar 103, on rough inclined-plane, can be high highly slightly according to the low local strut bar 103 of incline position, the local strut bar 103 that incline position is high is low highly slightly, steadily supports jack.Then with stay bearing plate 101 away from strut bar 103 one sides, perhaps a bit being placed on the slope on stay bearing plate 101 these faces, thus three points of point that two strut bars 103 add on the stay bearing plate 101 form the triangle fixed position.Jack is put in the groove 102 that is complementary on the described stay bearing plate 101, come the more stable base of fixing jack 5 by magnet or rotary block 111.Adjust the 3rd hold-down arm 3 or the 4th hold-down arm 4 in the position that pallet 6 is fixed, pallet 6 is tilted, make pallet 6 parallel with automobile, the area of contact maximization, pulsation-free supports automobile.

After the end, take out jack, directly strut bar 103 is extracted out under automobile, stay bearing plate 101 owing to the terrestrial attraction effect, down overturns applying strut bar 103 because hinged.

Embodiment 2: compare with embodiment 1, difference is that described jack is the supporting way difference on the slope, and all the other are all identical.

Referring to Fig. 1, Fig. 7-11, fixing jack on the slope, offer at least three No. five through holes 201 on the described base 5, on described No. five through holes 201 nut 202 is arranged fixedly all No. four, be provided with bolt 203 No. four, described No. four bolts 203 pass through described No. five through holes 201, and are threaded with No. four nuts 202, have three No. four bolts 203 at least.But No. four bolt 203 up-and-down movements are adjusted the height that jack needs.

Offer at least three No. six through holes 208 on the described pallet 6, No. six through holes 208 by pallet 6 center positions evenly diffuse out a plurality of No. six through holes 208 to both sides, described the 3rd hold-down arm 3 offers through hole 209 No. seven, described the 4th hold-down arm 4 offers through hole 210 No. eight, described the 3rd hold-down arm 3 detachably is fixed on the described pallet 6 by No. seven through holes 209 and No. six through holes 208, and described the 4th hold-down arm 4 detachably is fixed on the described pallet 6 by No. eight through holes 210 and No. six through holes 208.When the 3rd hold-down arm 3 and the 4th hold-down arm 4 were fixed on No. six through holes 208 of position, pallet 6 middle simultaneously, pallet 6 kept flat.In the time of pallet 6 need being tilted, only one of them hold-down arm need be separated from No. six through holes 208 of position, pallet 6 middle, and be fixed on other No. six through holes 208, at this moment, an end just up carries on naturally, and pallet 6 tilts naturally.Can adjust the degree of dip of pallet 6 by the fixed position of conversion the 3rd hold-down arm 3 or the 4th hold-down arm 4.

During use, at first adjust the height of No. four bolts 203, on rough inclined-plane, can be high highly slightly according to low No. four bolts 203 in place of incline position, No. four bolts 203 in place that incline position is high are low highly slightly, steadily support jack.Adjust the 3rd hold-down arm 3 or the 4th hold-down arm 4 in the position that pallet 6 is fixed, pallet 6 is tilted, make pallet 6 parallel with automobile, the area of contact maximization, pulsation-free supports automobile.

Claims

1. fix jack on the slope, comprise jack, described jack comprises first hold-down arm (1), second hold-down arm (2), the 3rd hold-down arm (3), the 4th hold-down arm (4), described first hold-down arm (1) is provided with base (5) with second hold-down arm (2) support and connection place, described the 3rd hold-down arm (3) is provided with pallet (6) with the 4th hold-down arm (4) junction, it is characterized in that: offer at least three No. five through holes (201) on the described base (5), No. four nuts (202) are all fixedly arranged on described No. five through holes (201), being provided with No. four bolts (203) is threaded with No. four nuts (202) by described No. five through holes (201), offer at least three No. six through holes (208) on the described pallet (6), described the 3rd hold-down arm (3) offers No. seven through holes (209), described the 4th hold-down arm (4) offers No. eight through holes (210), described the 3rd hold-down arm (3) by No. seven through holes (209) and No. six through holes (208) by detachably being fixed on the described pallet (6), described the 4th hold-down arm (4) by No. eight through holes (210) and No. six through holes (208) by detachably being fixed on the described pallet (6).

2. fixing jack on the slope as claimed in claim 1, it is characterized in that: described No. five through holes (201) are positioned at base (5) boundary position.

3. fixing jack on the slope as claimed in claim 1, it is characterized in that: described No. four bolts (203) are positioned at away from one end end, ground and offer No. nine through holes (204), are equipped with latch (205) on described No. nine through holes (204).