CN208216769U - Very heavy dolly - Google Patents

Abstract

The utility model discloses a kind of very heavy dollies, its key points of the technical solution are that including car body and wheel, side arm and after-frame are provided on the car body, the side arm and after-frame include symmetrically arranged cylinder and screw rod, support rod is connected between the screw rod, the cylinder is fixed on the car body, pivoted housing is rotatably connected on the cylinder, the screw rod is threadedly coupled with pivoted housing, jack can be placed on cart operated when in use in this way, it needs to push cart when the position of jack for moving, when encountering height difference locating for steel strand wires, the lifting of support rod can be driven by rotation pivoted housing, achieve the purpose that adjust support rod height, so that the jack being placed on support rod is suitable for the requirement of different height, simple to operate and stability is good.

Description

Very heavy dolly

Technical field

The utility model relates to cart field, in particular to very heavy dolly.

Background technique

Before Engineering Structure Component bears external load, compressive pre-stress is applied to the steel strand wires in tension module to improve structure The bending resistance and rigidity of part postpone the time that crack occurs, increase the durability of component, and general tensioning is using needing to use thousand Jin top, but the height as locating for different occasion steel strand wires is inconsistent, it is existing by the way of usually using electric block It is operated again after jack is hung proper height, the more troublesome and stability that causes to operate in this way is bad.

Utility model content

The purpose of this utility model is to provide very heavy dolly, has the advantages that be convenient for operation and stability is good.

The above-mentioned technical purpose of the utility model has the technical scheme that

Very heavy dolly, including car body and wheel are provided with side arm and after-frame on the car body, and the side arm and after-frame are equal Including symmetrically arranged cylinder and screw rod, support rod is connected between the screw rod, the cylinder is fixed on the car body, the cylinder Pivoted housing is rotatably connected on body, the screw rod is threadedly coupled with pivoted housing.

Jack can be placed on cart operated when in use in this way, promotion when needing the position of jack for moving Cart can drive the lifting of support rod by rotation pivoted housing, reach when encountering height difference locating for steel strand wires The purpose of support rod height is adjusted, so that the jack being placed on support rod is suitable for the requirement of different height, it is easy to operate Convenient and stability is good.

The utility model is further arranged: the support rod is arc bar curved under middle part.

It is curved under in the middle part of support rod to be preferably bonded with the surface of jack, and jack is placed in the lower crook stability It is good, the case where being not susceptible to side rolling and inadvertently fall off.

The utility model is further arranged: the support rod of the side arm is provided with vertical bar far from the side of after-frame.

When pushing cart mobile, the height of adjustable side arm is lower than after-frame, and the front end of jack is connected on bar, It can play the role of that jack is stopped to glide by the setting of bar, so that thousand can be effectively prevent when pushing cart mobile The case where jin top edge front-rear direction is inadvertently fallen off.

The utility model is further arranged: the bar bottom is provided with the extension item extended towards after-frame.

By extend item setting, jack lie in a horizontal plane on support rod in use, extend item can be with jack Abutting plays the role of Auxiliary support, so that the gravity concentration for reducing jack, which is applied on side arm, leads to its curved possibility.

The utility model is further arranged: the reinforcing strip of both connections is provided between the adjacent cylinder.

Each sleeve is linked to be an entirety by reinforcing strip so that side arm and after-frame formed it is whole firm more aobvious It writes, structural strength is higher, the weight for carrying out support jack that can be more firm.

The utility model is further arranged: the two sides of the pivoted housing are extended with holding rod.

Holding rod is capable of providing impetus, and people, can be with when needing to rotate height of the pivoted housing to adjust side arm and after-frame It grasps holding rod to be operated, operate more convenient laborsaving.

The utility model is further arranged: the wheel includes front wheels and rear wheels, and connection two is equipped between the rear-wheel The axis body of person, the rear wheel are connected on axis body, and supporting block, the supporting block side and axis body are fixed on the axis body Fixed, the other side is fixed with car body.

When can inevitably be encountered in push walking process on needs due to cart on a higher step surface, usually It is realized upwarping in front of car body, active force that at this time can be bigger to rear-wheel, by the further of axis body and supporting block, thus The case where body rear end structural strength can be made higher, be less prone to damage.

The utility model is further arranged: perforative through slot is provided in the middle part of the car body, interval setting in the through slot There is arc item.

Production material can largely be reduced by the setting of through slot first to reduce production cost, further by The setting of arc item can also be stopped when jack surprisingly slides by arc item, avoid directly falling to generating on ground and acutely hit The case where hitting.

The utility model is further arranged: the rear end of the car body, which is extended with, is symmetrically arranged with pushing hands.

Pushing hands can be held when pushing to operate by the setting people of pushing hands, easily facilitate people to push vehicle The mobile operation of body.

In conclusion the utility model has the following beneficial effects:

1, by the way that the side arm and after-frame that can be adjusted up and down in height are arranged on the car body, so as to which jack is placed in car body On operated, and adjustable height is suitable for the occasion of different height, can also be by pushing cart to corresponding position after It is operated, therefore it is good to operate more convenient and stability；

2, curved and blend stop combination setting under the middle part of support rod, plays the jack of placement the limit of horizontal direction Position, the case where preventing it from inadvertently falling off, so that stability is more preferable during pushing cart；

3, by the way that axis body and supporting block are arranged on rear-wheel, the structural strength of rear vehicle is increased, is needed in top bar Rear vehicle stability is more preferable when headstock is upwarped, and is less prone to damage.

Detailed description of the invention

Fig. 1 is the overall structure figure of the present embodiment；

Fig. 2 is the rear perspective of the present embodiment.

Appended drawing reference: 1, car body；2, pushing hands；21, linkage section；22, horizontal segment；3, side arm；4, after-frame；51, cylinder；52, Screw rod；53, support rod；54, pivoted housing；541, item is held；6, bar；61, extend item；7, reinforcing strip；8, through slot；9, arc item；10, Front-wheel；11, rear-wheel；12, axis body；13, supporting block；14, jack.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Very heavy dolly, as depicted in figs. 1 and 2, including car body 1 and wheel, it is symmetrically arranged with and pushes away at the rear of car body 1 Hand 2, the pushing hands 2 include linkage section 21 and horizontal segment 22, can hold horizontal segment 22 when needing and pushing car body 1 mobile and carry out It pushes, pushes the movement of car body 1 more convenient；Side arm 3 and after-frame 4 are respectively set on car body 1, wherein side arm 3 and after-frame 4 wrap Include the cylinder 51 for being symmetricly set on 1 two sides of car body, screw rod 52 and connect two screw rods 52 support rod 53, middle cylinder body 51 with Car body 1 is fixed, while pivoted housing 54 is rotatably connected on cylinder 51, be provided on pivoted housing 54 on bulge loop and cylinder 51 be provided with The annular groove (not shown) of bulge loop adaptation is to realize the vertical spacing of pivoted housing 54, pivoted housing 54 can only circumferentially rotate, and spiral shell Bar 52 extend into the lifting for being threadedly coupled in cylinder 51 and with pivoted housing 54, therefore driving screw rod 52 vertical when rotating pivoted housing 54 and realizes Height adjustment is symmetrically arranged with the hand-held item 541 of extension on pivoted housing 54, grasps hand-held item 541 convenient for people to complete to rotate The operation of pivoted housing 54, so as to be placed in jack 14 on the support rod 53 of car body 1, by pushing car body 1 to be moved to needs Position to apply compressive pre-stress to steel strand wires, encountering there are when difference in height, jack 14 adjusted by rotation pivoted housing 54 Highly, so that applicability is more preferable, and it is simple to operate.

Wherein support rod 53 is that arc bar curved under middle part can in this way when jack 14 to be placed on support rod 53 To be preferably bonded with 14 surface of jack, and the case where jack 14 is less prone to left and right roll and inadvertently falls off；In addition Vertical bar 6 is provided on the support rod 53 of side arm 3, the height for first adjusting side arm 3 when pushing car body 1 in this way is low In after-frame 4, so that the jack 14 being placed on car body 1 stops towards side arm 3 and by bar 6 diagonally downward, realize to thousand Jin top 14 limits in the front-back direction, combine in this way setting can good realization 14 horizontal direction of jack limit, keep pushing away It maintains stablizing for jack 14 to place during motor vehicles bodies 1, reduces the case where inadvertently falling off；And water is extended on blend stop The flat extension item 61 towards after-frame 4, the extension item 61 can play auxiliary when jack 14 is horizontally arranged in running order The effect of support is helped, 14 gravity of jack is reduced and concentrates situation about being applied on support rod 53.

Reinforcing strip 7 is connected between adjacent each cylinder 51, each cylinder 51 is linked to be an entirety by reinforcing strip 7, thus It can reinforce the overall stability of side arm 3 and after-frame 4, the support jack 14 that can more consolidate；It is opened up at the middle part of car body 1 Have in through slot 8 and through slot 8 and be provided with arc item 9, on the one hand can reduce production material in this way to reduce cost, another aspect arc item 9 can reinforce 1 structural strength of car body, and will not be direct on arc item 9 if can also fall when jack 14 is inadvertently fallen off Ground is hit, is played a certain protective role.

Wherein wheel includes front-wheel 10 and rear-wheel 11, due to can inevitably encounter needs during pushing car body 1 mobile On in the plane of a high step, usually by pushing pushing hands 2 so that the front-wheel 10 of 1 front end of car body upwarps to realize, But the power for needing to carry for rear-wheel 11 in this way will be bigger, easily leads to and damages at rear-wheel 11, therefore in two rear-wheels 11 Between be equipped with axis body 12 and rear-wheel 11 is rotatably connected on axis body 12, and supporting block 13 is fixed on axis body 12, the branch 13 side of bracer and axis body 12 are fixed, and the other side and car body 1 are fixed, so that the structure reinforced at rear-wheel 11 largely is strong Degree, effectively improves bearing capacity, car body 1 is more durable.

Detailed process: first by the pivoted housing 54 on rotation side arm 3 come so that 53 height of support rod of side arm 3 is lower than after-frame 4, then jack 14 is placed on the support rod 53 on car body 1, can push car body 1 that jack 14 is moved to needs at this time The place of work, then by rotation pivoted housing 54 support rod 53 on side arm 3 and after-frame 4 is in height and makes jack The position that 14 height reaches needs to apply compressive pre-stress to steel strand wires, completes operation, needs that car body 1 is pushed to be moved to next When job site, the height of side arm 3 is suitably adjusted to tract below after-frame 4, so circulation can satisfy each different occasions Operational requirements.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (9)

1. very heavy dolly, including car body (1) and wheel, it is characterized in that: being provided with side arm (3) and after-frame on the car body (1) (4), the side arm (3) and after-frame (4) include symmetrically arranged cylinder (51) and screw rod (52), are connected between the screw rod (52) It being connected to support rod (53), the cylinder (51) is fixed on car body (1), pivoted housing (54) are rotatably connected on the cylinder (51), The screw rod (52) is threadedly coupled with pivoted housing (54).

2. very heavy dolly according to claim 1, it is characterized in that: the support rod (53) is arc bar curved under middle part.

3. very heavy dolly according to claim 1, it is characterized in that: the support rod (53) of the side arm (3) is far from after-frame (4) side is provided with vertical bar (6).

4. very heavy dolly according to claim 3, it is characterized in that: the bar (6) bottom is provided with towards after-frame (4) The extension item (61) of extension.

5. very heavy dolly according to claim 1, it is characterized in that: being provided with connection two between the adjacent cylinder (51) The reinforcing strip (7) of person.

6. very heavy dolly according to claim 1, it is characterized in that: the two sides of the pivoted housing (54) are extended with holding rod.

7. very heavy dolly according to claim 1, it is characterized in that: the wheel includes front-wheel (10) and rear-wheel (11), The axis body (12) of both connections is equipped between the rear-wheel (11), the rear-wheel (11) is rotatably connected on axis body (12), institute It states and is fixed on axis body (12) supporting block (13), supporting block (13) side and axis body (12) are fixed, the other side and car body (1) It is fixed.

8. very heavy dolly according to claim 1, it is characterized in that: being provided with perforative through slot in the middle part of the car body (1) (8), arc item (9) are arranged at intervals in the through slot (8).

9. very heavy dolly according to claim 1, it is characterized in that: the rear end of the car body (1) be extended with it is arranged symmetrically There are pushing hands (2).