CN210825171U

CN210825171U - Gantry hoisting device

Info

Publication number: CN210825171U
Application number: CN201921764114.8U
Authority: CN
Inventors: 严汝龙
Original assignee: Shanghai Baoxie New Energy Technology Co ltd
Current assignee: Shanghai Baoxie New Energy Technology Co ltd
Priority date: 2019-10-19
Filing date: 2019-10-19
Publication date: 2020-06-23
Anticipated expiration: 2029-10-19

Abstract

The utility model relates to a gantry hoisting device, which comprises two brackets, a beam arranged between the two brackets and a hoist arranged on the beam, wherein the brackets comprise a bottom rod and a support rod fixedly connected on the bottom rod, and the beam is fixedly connected between the two support rods; the bottom rod is provided with a hydraulic cylinder for jacking the bottom rod; through holes are vertically formed in the two ends of the bottom rod, sliding blocks slide up and down in the through holes, and universal wheels are arranged below the sliding blocks; the bottom rod is provided with a locking mechanism for clamping and positioning the sliding block when the universal wheel is propped against the ground and plays a supporting role. According to the scheme, the gantry lifting device can be rapidly switched between moving and positioning, a single operator can easily complete moving of the gantry lifting device, time and labor are saved, and the working efficiency is effectively improved.

Description

Gantry hoisting device

Technical Field

The utility model belongs to the technical field of hoisting machinery's technique and specifically relates to a longmen hoisting accessory is related to.

Background

The gantry hoisting device is small hoisting equipment developed according to the requirements of carrying equipment, warehouse in and out, hoisting and maintaining heavy equipment and material transportation in daily production of medium and small factories, and is suitable for motor processing, automobile maintenance factories, mines, civil engineering construction sites and occasions needing hoisting.

The traditional gantry hoisting device comprises two parallel brackets arranged at intervals, a cross beam arranged between the two brackets and a hoist arranged on the cross beam and used for hoisting heavy objects. An operator firstly moves the gantry hoisting device to a heavy object to be hoisted, and then the heavy object can be hoisted through the hoist, so that the heavy object is carried. Although the hoisting and carrying mode is simple and convenient, the traditional gantry hoisting device is very laborious to move, the gantry hoisting device can be carried with the assistance of a plurality of operators, the carrying mode is time-consuming and labor-consuming, and the working efficiency is seriously reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a longmen hoisting accessory, the removal of portal frame can be accomplished to single operator, and labour saving and time saving has effectively improved work efficiency.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a gantry hoisting device comprises two supports, a cross beam arranged between the two supports and a hoist arranged on the cross beam, wherein each support comprises a bottom rod and a support rod fixedly connected to the bottom rod, and the cross beam is fixedly connected between the two support rods; the bottom rod is provided with a hydraulic cylinder for jacking the bottom rod; through holes are vertically formed in the two ends of the bottom rod, sliding blocks slide up and down in the through holes, and universal wheels are arranged below the sliding blocks; the bottom rod is provided with a locking mechanism for clamping and positioning the sliding block when the universal wheel is propped against the ground and plays a supporting role.

Through adopting above-mentioned technical scheme, when needs remove portal crane device, the operator at first comes the whole portal crane device of jack-up through the pneumatic cylinder, after the bottom bar leaves the interval with ground, the operator slides the slider downwards again, the universal wheel will move and support subaerial along with the slider takes place downwards in step, after the universal wheel butt is subaerial, locking mechanical system just can carry out the joint location to the slider, and then make the universal wheel butt subaerial all the time, the operator cancels the pneumatic cylinder again afterwards and plays whole portal crane device's jack-up effect, the universal wheel will play the supporting role to whole portal crane device, the operator alright remove portal crane device through the universal wheel. After the gantry hoisting device moves to a proper position, an operator jacks up the whole gantry hoisting device through the hydraulic cylinder, then the positioning effect of the locking mechanism on the sliding block is cancelled, the universal wheel enters the through hole, finally the jacking effect of the hydraulic cylinder on the whole gantry hoisting device is cancelled, and the bottom rod can be firmly positioned on the ground under the gravity of the bottom rod, the supporting rod, the cross beam and the hoist. Compare in traditional longmen hoisting accessory, this scheme passes through cylinder, through-hole, slider, universal wheel and locking mechanical system's setting, alright carry out fast switch over to longmen hoisting accessory's removal and location, and single operator can easily accomplish longmen hoisting accessory's removal, and labour saving and time saving has improved the efficiency of work effectively.

The utility model discloses further set up to: locking mechanical system is including offering the mounting groove on the slider lateral wall, offering on the through-hole inside wall and can just to the draw-in groove of mounting groove, sliding connection fixture block in the mounting groove, setting be used for driving the first spring in fixture block embedding draw-in groove in the mounting groove to and set up the dismantlement subassembly that is used for driving the fixture block to break away from the draw-in groove on the slider.

Through adopting above-mentioned technical scheme, order about the universal wheel butt when subaerial when the operator slides the slider, mounting groove on the slider will just to the draw-in groove in the through-hole, and the fixture block just can be in the automatic draw-in groove that imbeds under the resilience force of first spring, and the slider can be locked inside the through-hole, and the universal wheel will butt all the time subaerial, and locking mechanical system's structural principle is simple, and it is very convenient in the operation. When the universal wheel is required to be recovered into the through hole, the operator enables the clamping block to be separated from the clamping groove through the disassembling assembly, the universal wheel can enter the through hole again along with the sliding block, and the operation is very convenient and fast.

The utility model discloses further set up to: the disassembling component comprises a pull rope and a pull ring, wherein the pull rope is arranged on the sliding block and used for pulling the clamping block to be separated from the clamping groove, and the pull ring is fixedly connected to one end, far away from the clamping block, of the pull rope; the slide block is provided with a drag hook which hooks the pull ring when the clamping block is pulled into the mounting groove.

Through adopting above-mentioned technical scheme, the operator drives the stay cord motion through the pulling pull ring, and the stay cord just can drive the fixture block and break away from the draw-in groove, so the position locking relation between slider and the sill bar just can be cancelled, and slider and universal wheel can take place to slide from top to bottom again, and the dismantlement subassembly structural principle is simple, has made things convenient for operator's operation. In addition, when the fixture block got into the mounting groove completely, operator's accessible drag hook caught the pull ring, had avoided the condition in the fixture block imbeds the draw-in groove again at the resilience force effort of first spring.

The utility model discloses further set up to: and the inner side wall of the through hole is provided with a butt plate which is used for abutting against the sliding block when the mounting groove is opposite to the clamping groove.

Through adopting above-mentioned technical scheme, the butt board can carry on spacingly to the slip of slider, and then makes the mounting groove on the slider can aim at the draw-in groove in the through-hole accurately, and then makes the joint location of slider more smooth.

The utility model discloses further set up to: one end of the fixture block, which is far away from the first spring, is provided with a guide surface which is in butt joint with the edge of the through hole, and when the guide surface is in contact with the edge of the through hole, the fixture block automatically retracts into the corresponding mounting groove.

Through adopting above-mentioned technical scheme, the slider takes place the in-process that removes towards the through-hole, the spigot surface on the fixture block will take precedence and the edge contact of through-hole, under the combined action at spigot surface and through-hole edge, the fixture block will compress first spring and enter into the mounting groove automatically, need not the operator at this moment in the advance drive fixture block gets into the mounting groove earlier, has reduced operator's operating procedure, makes the joint location of slider more convenient.

The utility model discloses further set up to: and a second spring for driving the sliding block to move upwards and enabling the universal wheel to enter the through hole is arranged in the through hole.

Through adopting above-mentioned technical scheme, after the operator makes the fixture block break away from the draw-in groove through dismantling the subassembly, the slider will make progress the emergence automatically and remove under the resilience force effect of second spring, and the universal wheel has made things convenient for the operator to take in the inside to the through-hole with the universal wheel in just can the automatic through-hole that enters into.

The utility model discloses further set up to: the upper surface of the sliding block is fixedly connected with a handle.

By adopting the technical scheme, the handle provides a good force application part for the sliding block to slide up and down for an operator, and the operator can conveniently slide the sliding block up and down.

The utility model discloses further set up to: and a rubber pad which is abutted against the ground is arranged below the bottom rod.

Through adopting above-mentioned technical scheme, because the coefficient of friction of rubber self is bigger than the sill bar, the setting of rubber pad has increased the frictional force that produces when sill bar and ground contact promptly, is favorable to improving the stability of longmen hoisting accessory location subaerial.

To sum up, the utility model discloses a beneficial technological effect does:

due to the arrangement of the hydraulic cylinder, the through hole, the sliding block, the universal wheel and the locking mechanism, a single operator can quickly switch the movement and the positioning of the gantry hoisting device, time and labor are saved, and the working efficiency is effectively improved;

the arrangement of the abutting plate can ensure that the clamping and positioning of the sliding block are smoother;

the arrangement of the guide surface can reduce the operation steps of locking the sliding block by an operator, so that the clamping and positioning of the sliding block are more convenient;

the arrangement of the second spring facilitates an operator to take the universal wheel into the through hole;

the rubber pad is arranged, so that the stability of the gantry hoisting device when being positioned on the ground can be improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic sectional structure diagram of the middle slider of the present invention.

In the figure, 1, a bracket; 2. a bottom bar; 3. a support bar; 4. a cross beam; 5. a gourd; 6. a hydraulic cylinder; 7. a through hole; 8. a slider; 9. a handle; 10. a universal wheel; 11. mounting grooves; 12. a card slot; 13. a clamping block; 14. a first spring; 15. a guide surface; 16. disassembling the assembly; 17. pulling a rope; 18. a pull ring; 19. pulling a hook; 20. a rubber pad; 21. a butt joint plate; 22. a second spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the gantry hoisting device comprises two parallel brackets 1 which are arranged at intervals, wherein each bracket 1 consists of a bottom rod 2 with a rectangular cross section and an inverted V-shaped support rod 3 fixedly connected above the bottom rod 2; the gantry hoisting device further comprises a cross beam 4 fixedly connected between the two support rods 3 and a hoist 5 arranged on the cross beam 4 and used for hoisting heavy objects, wherein the hoist 5 is a hand hoist. When the heavy object is positioned below the hoist 5, an operator can hoist and carry the heavy object through the hoist 5. It should be noted that the hand hoist is a simple-to-use and portable hand hoisting machine, also called as a "chain hoist" or a "chain block", and the hand hoist is a common and mature mechanical device in the market, and therefore is not described again.

Referring to fig. 1 and 2, hydraulic cylinders 6 are installed at two ends of the bottom rod 2, the hydraulic cylinders 6 are connected with a hydraulic pump station through connecting pipes, and the hydraulic cylinders 6 are used for jacking the whole bottom rod 2 and keeping a certain distance from the ground. The both ends of sill bar 2 are all vertically seted up the through-hole 7 that the cross section is the rectangle, and it has a slider 8 to slide from top to bottom in the through-hole 7, and the lateral wall of slider 8 pastes closely each other with the inside wall of through-hole 7. The upper surface of the sliding block 8 is fixedly connected with a handle 9, and the lower surface of the sliding block 8 is provided with a universal wheel 10.

Referring to fig. 2 and 3, the peripheral side walls of the slider 8 are all provided with mounting grooves 11 with rectangular cross sections, the peripheral inner side walls of the through hole 7 are provided with clamping grooves 12 with rectangular cross sections, and in the process that the slider 8 is inserted into the through hole 7, the four mounting grooves 11 are opposite to the four clamping grooves 12 one by one. The clamping block 13 matched with the clamping groove 12 in a clamping mode is connected in the mounting groove 11 in a sliding mode, the first spring 14 is fixedly connected between the clamping block 13 and the bottom of the mounting groove 11, the first spring 14 is in a natural state, the clamping block 13 is pushed into the corresponding clamping groove 12 by the first spring 14, and the clamping block 13 is located in the corresponding mounting groove 11 when the first spring 14 is in a contraction state. The end of the latch 13 far away from the corresponding first spring 14 is provided with a guide surface 15 which is in abutting fit with the edge of the through hole 7, and the guide surface 15 is arranged on one side of the latch 13 facing the universal wheel 10. The slider 8 is further provided with a detaching assembly 16 for driving the fixture block 13 to be separated from the fixture groove 12. When the gantry crane needs to be moved, an operator firstly jacks up the bottom rod 2 through the hydraulic cylinder 6 (as shown in figure 1), a certain distance is reserved between the lower surface of the bottom rod 2 and the ground, then the operator moves the slide block 8 downwards and enables the universal wheel 10 to be abutted against the ground, in the process that the slide block 8 is inserted into the through hole 7, under the combined action of the edge of the through hole 7 and the guide surface 15, the latch 13 will compress the first spring 14 and automatically enter the corresponding mounting groove 11, when the mounting groove 11 is aligned with the corresponding clamping groove 12, the first spring 14 inserts the driving clamping block 13 into the corresponding clamping groove 12, the slide block 8 is locked in the through hole 7, the universal wheel 10 is always abutted to the ground, and after the operator finally cancels the jacking of the hydraulic cylinder 6 (shown in figure 1) to the bottom rod 2, the universal wheels 10 will support the whole gantry crane and the operator can push the whole gantry crane through the universal wheels 10. After the gantry lifting device is moved to a proper position, an operator jacks the bottom rod 2 through the hydraulic cylinder 6 (shown in fig. 1) first, then the clamping block 13 is separated from the corresponding clamping groove 12 through the disassembling component 16, the position locking relation between the sliding block 8 and the bottom rod 2 is cancelled, the operator can move the sliding block 8 upwards and enable the universal wheel 10 to be retracted into the through hole 7, and finally, after the jacking of the bottom rod 2 by the hydraulic cylinder 6 (shown in fig. 1) is cancelled, the bottom rod 2 is firmly positioned on the ground by the gravity of the operator, the supporting rod 3 (shown in fig. 1), the cross beam 4 (shown in fig. 1) and the hoist 5 (shown in fig. 1). The mounting groove 11, the clamping groove 12, the clamping block 13, the first spring 14 and the dismounting component 16 form a locking mechanism.

Referring to fig. 2, in order to improve the stability of the gantry crane when being positioned on the ground, a rubber pad 20 for increasing the friction coefficient is fixedly connected to the lower surface of the bottom rod 2.

Referring to fig. 2 and 3, the detaching assembly 16 includes a pulling rope 17 disposed on the sliding block 8, one end of the pulling rope 17 extends into the mounting groove 11 and is fixedly connected with the latch 13, and the other end of the pulling rope 17 penetrates through the upper surface of the sliding block 8; the detachment assembly 16 further includes a pull ring 18 fixedly attached to the end of the pull cord 17 extending out of the slider 8. An operator pulls the pull ring 18 to drive the pull rope 17 to move, the pull rope 17 drives the clamping block 13 to be separated from the corresponding clamping groove 12, and the sliding block 8 and the universal wheel 10 can move up and down again. In order to avoid the situation that the fixture block 13 is embedded into the clamping groove 12 again under the action of the resilience force of the first spring 14, a draw hook 19 which hooks the pull ring 18 when the fixture block 13 completely enters the mounting groove 11 is fixedly connected to the slide block 8.

Referring to fig. 2, two inner side walls of the through hole 7 are fixedly connected with a butt plate 21, and the butt plate 21 is used for limiting the sliding of the slider 8. When an operator abuts the sliding block 8 on the abutting plate 21, the mounting groove 11 on the sliding block 8 is just right opposite to the clamping groove 12 on the inner side wall of the through hole 7, and the position of the sliding block 8 is conveniently locked by the operator. Be equipped with the second spring 22 with the butt of slider 8 lower surface on the other two inside walls of through-hole 7, second spring 22 is when natural state, and second spring 22 will push up slider 8 to the top of through-hole 7, makes universal wheel 10 receive inside through-hole 7 simultaneously, and second spring 22 is when the shrink state, and slider 8 will be in butt plate 21 butt, and universal wheel 10 stretches out through-hole 7 simultaneously and with the ground butt. When the clamping block 13 is separated from the corresponding clamping groove 12, the second spring 22 drives the sliding block 8 to slide upwards, and the universal wheel 10 automatically enters the through hole 7, so that the operation of an operator is facilitated.

The implementation principle of the embodiment is as follows: when the gantry hoisting device needs to be moved, an operator firstly jacks up the bottom rod 2 through the hydraulic cylinder 6, a certain distance is reserved between the lower surface of the bottom rod 2 and the ground, then the operator moves the slide block 8 downwards and enables the universal wheel 10 to be abutted against the ground, in the process that the slide block 8 is inserted into the through hole 7, under the combined action of the edge of the through hole 7 and the guide surface 15, the latch 13 will compress the first spring 14 and automatically enter the corresponding mounting groove 11, when the mounting groove 11 is aligned with the corresponding clamping groove 12, the first spring 14 embeds the driving clamping block 13 into the corresponding clamping groove 12, the slide block 8 is locked in the through hole 7, the universal wheel 10 is always abutted to the ground, and after an operator finally cancels the jacking of the hydraulic cylinder 6 to the bottom rod 2, the universal wheels 10 will support the whole gantry crane and the operator can push the whole gantry crane through the universal wheels 10. After the gantry lifting device moves to a proper position, an operator jacks up the bottom rod 2 through the hydraulic cylinder 6, then the operator pulls the pull ring 18 to drive the pull rope 17 to move, the pull rope 17 can drive the clamping block 13 to be separated from the corresponding clamping groove 12, the position locking relation between the sliding block 8 and the bottom rod 2 can be cancelled, the operator can move the sliding block 8 upwards and enable the universal wheel 10 to be retracted into the through hole 7, and finally after the jack-up of the bottom rod 2 by the hydraulic cylinder 6 is cancelled, the bottom rod 2 can be firmly positioned on the ground by the gravity of the operator, the supporting rod 3, the cross beam 4 and the hoist 5.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a longmen hoisting accessory, includes two supports (1), sets up crossbeam (4) between two supports (1) to and calabash (5) of setting on crossbeam (4), its characterized in that: the support (1) comprises a bottom rod (2) and supporting rods (3) fixedly connected to the bottom rod (2), and the cross beam (4) is fixedly connected between the two supporting rods (3); a hydraulic cylinder (6) for jacking the bottom rod (2) is arranged on the bottom rod; through holes (7) are vertically formed in two ends of the bottom rod (2), a sliding block (8) slides up and down in the through holes (7), and a universal wheel (10) is arranged below the sliding block (8); the bottom rod (2) is provided with a locking mechanism which can clamp and position the sliding block (8) when the universal wheel (10) is propped against the ground and plays a supporting role.

2. The gantry crane apparatus of claim 1, wherein: locking mechanical system is including offering mounting groove (11) on slider (8) lateral wall, offering on through-hole (7) inside wall and can just be to draw-in groove (12) of mounting groove (11), sliding connection fixture block (13) in mounting groove (11), setting up and being used for driving first spring (14) in fixture block (13) embedding draw-in groove (12) in mounting groove (11) to and set up and be used for driving fixture block (13) and break away from dismantlement subassembly (16) of draw-in groove (12) on slider (8).

3. A gantry crane apparatus according to claim 2, wherein: the disassembling component (16) comprises a pull rope (17) which is arranged on the sliding block (8) and used for pulling the clamping block (13) to be separated from the clamping groove (12), and a pull ring (18) which is fixedly connected to one end, far away from the clamping block (13), of the pull rope (17); the slide block (8) is provided with a draw hook (19) which hooks the draw ring (18) when the fixture block (13) is drawn into the installation groove (11).

4. A gantry crane apparatus according to claim 2, wherein: and an abutting plate (21) which abuts against the sliding block (8) when the mounting groove (11) is opposite to the clamping groove (12) is arranged on the inner side wall of the through hole (7).

5. A gantry crane apparatus according to claim 2, wherein: one end of the clamping block (13) far away from the first spring (14) is provided with a guide surface (15) which is in butt joint with the edge of the through hole (7), and when the guide surface (15) is in edge contact with the through hole (7), the clamping block (13) automatically retracts into the corresponding mounting groove (11).

6. The gantry crane apparatus of claim 1, wherein: and a second spring (22) which drives the sliding block (8) to move upwards and enables the universal wheel (10) to enter the through hole (7) is arranged in the through hole (7).

7. The gantry crane apparatus of claim 1, wherein: the upper surface of the sliding block (8) is fixedly connected with a handle (9).

8. The gantry crane apparatus of claim 1, wherein: and a rubber pad (20) which is abutted against the ground is arranged below the bottom rod (2).