CN209127934U

CN209127934U - A kind of novel tower crane telescopic lever

Info

Publication number: CN209127934U
Application number: CN201821942691.7U
Authority: CN
Inventors: 蒋良林
Original assignee: Guizhou Universal Construction Machinery Leasing Co Ltd
Current assignee: Guizhou Universal Construction Machinery Leasing Co Ltd
Priority date: 2018-11-23
Filing date: 2018-11-23
Publication date: 2019-07-19
Anticipated expiration: 2028-11-23

Abstract

The utility model discloses a kind of novel tower crane telescopic levers, including mobile jib, there is the first connecting plate in one end of mobile jib by flanged joint, the other end has loop bar by flanged joint, loop bar passes through the sliding slot which is provided with and slidably connects telescopic rod, multiple through holes are equipped on the four sides of loop bar and telescopic rod, and the internal activity of through hole is plugged with bolt, there is partition on one end face of telescopic rod, partition is equipped with groove, the slot bottom of groove is fixedly connected with square bar, stud is socketed on the outside of square bar, stud is far from being fixedly connected with the second connecting plate on an end face of square bar, stud is located at engagement on the outside of one end outside groove and is connected with nut, nut is rotatably connected on the side of partition by the stop collar being fixedly connected on its one side close to partition, the present apparatus can according to circumstances carry out the adjustment of length, it is a variety of so as to be suitable for Situation does not need to go to be fabricated separately every time, can greatly shorten construction period.

Description

A kind of novel tower crane telescopic lever

Technical field

The utility model relates to building product technical field, specially a kind of novel tower crane telescopic lever.

Background technique

As the present construction site of the development of building trade becomes more and more, tower crane is indispensable on building sites One of equipment, tower crane is exactly a kind of lifting equipment, the raw material of the constructions such as reinforcing bar, wooden flute, concrete, steel pipe can be carried To eminence to facilitate construction, in order to make tower crane more firm so it is connected with building using pull rod, but the type of tower crane Number, the installation site of the structure of building constructed and field condition and the opposite building of tower crane be also to have nothing in common with each other, so tower The pull rod hung needs different length, but existing pull rod be all largely it is fixed, can not adjustment length, therefore every time It needs individually to go to make, very wasting manpower and material resources, there is small part to use the form of two section telescopic bars at present, but be substantially Using the positioning well format of single side, first is that can have the case where shaking, second is that fine tuning is pretty troublesome, in addition to this pin used for positioning Nail fixation procedure is relatively complicated, and the utility model provides a kind of novel tower crane telescopic lever in order to solve the above problem.

Utility model content

The purpose of this utility model is to provide a kind of novel tower crane telescopic levers, to solve to propose in above-mentioned background technique The problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of novel tower crane telescopic lever, including master There is the first connecting plate in one end of bar, the mobile jib by flanged joint, and the other end has loop bar by flanged joint, and the loop bar is logical It crosses the sliding slot that its end face far from mobile jib is equipped with and slidably connects telescopic rod, four sides of the loop bar and telescopic rod Multiple through holes are equipped with, and the internal activity of through hole is plugged with bolt, the telescopic rod is far from solid on an end face of loop bar Surely it is connected with partition, the partition is equipped with groove far from the one side of telescopic rod, and the slot bottom of groove extends to telescopic rod Inside, the slot bottom of the groove are fixedly connected with square bar, stud are socketed on the outside of the square bar, the stud is far from square bar The second connecting plate is fixedly connected on one end face, the stud is located at engagement on the outside of one end outside groove and is connected with nut, institute Nut is stated to be rotatably connected on the side of partition by the stop collar being fixedly connected on its one side close to partition.

Preferably, the bolt includes straight-bar and fixed disk, and an end face of the straight-bar is fixedly connected with fixed disk, another The inside at end is equipped with dark chamber, and the bottom of chamber of dark chamber is communicated with the outside world through the other end of straight-bar, and the chamber top of the dark chamber passes through Spring is connected with slide bar, and the slide bar is rotatablely connected by the fixed plate being fixedly connected in one end there are two bull stick, sliding Fixed link is fixedly connected in bar the other end face, the upper end of the fixed link sequentially passes through spring, the chamber top of dark chamber and fixation Disk is simultaneously rotatably connected to turntable, and the turntable is fixedly connected to bayonet lock, the fixed disk close to the two sides of one end face of fixed disk Upper side two sides be equipped with card slot corresponding with bayonet lock, the outer end of described two bull sticks passes through respectively to be set on the cell wall of dark chamber two sides Some undercuts extend to the outside of dark chamber, and the first limiting slot, the side wall of dark chamber are equipped on the two sides side of described two bull sticks It is equipped with corresponding gag lever post, is equipped with placing groove on the two sides side of the slide bar.

Preferably, the mobile jib is equipped with empty slot inside one end of loop bar, and empty slot notch runs through corresponding flange simultaneously It communicates with the outside world, the internal slide of the empty slot is connected with voussoir, and the voussoir connects far from fixed on an end face of empty slot slot bottom It is connected to fixed block, bolt is rotatably connected on the downside cell wall of the empty slot, the upper end of the bolt passes through what voussoir was equipped with The outside of mobile jib is extended to through slot and through the upside cell wall of empty slot, the bolt is located at engagement on the outside of one end inside empty slot It is connected with crowded block, the upper side of the fixed block is equipped with T-slot, and the flange on the loop bar is equipped with close to an end face of mobile jib Fixture block.

Preferably, reinforcing rib is fixedly connected between first connecting plate and coupled flange.

Compared with prior art, the utility model has the beneficial effects that the utility model passes through between loop bar and telescopic rod Cooperation realize and the entire length of the present apparatus can be changed, its length can be fixed by through hole and bolt, By cooperating between square bar, stud and nut, realizing rotating nut can make stud stretch out either retraction, so as to reality Now the entire length of the present apparatus is finely adjusted, the present apparatus can be adapted for a variety of occasions, not need to go individually to make every time Make, so as to save a large amount of manpower and material resources, greatly shortens construction period.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the entirety sectional view of the utility model；

Fig. 3 is enlarged drawing at the A of the utility model Fig. 2；

Fig. 4 is enlarged drawing at the B of the utility model Fig. 2；

Fig. 5 is the schematic diagram of internal structure of the utility model empty slot；

Fig. 6 is the explosive view of the bolt of the utility model.

In figure: 1, mobile jib, 2, flange, the 3, first connecting plate, 4, loop bar, 5, sliding slot, 6, telescopic rod, 7, through hole, 8, insert Pin, 801, straight-bar, 802, dark chamber, 803, spring, 804, slide bar, 805, fixed link, 806, fixed disk, 807, turntable, 808, card Pin, 809, card slot, 810, bull stick, 811, fixed plate, the 812, first limiting slot, 813, undercut, 814, gag lever post, 815, placement Slot, 9, partition, 10, groove, 11, square bar, 12, stud, 13, fixture block, the 14, second connecting plate, 15, nut, 16, stop collar, 17, Second limiting slot, 18, empty slot, 19, voussoir, 20, fixed block, 21, run through slot, 22, squeeze block, 23, bolt, 24, T-slot.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-6 is please referred to, the utility model provides a kind of technical solution: a kind of novel tower crane telescopic lever, including mobile jib 1, one end of the mobile jib 1 is connected with the first connecting plate 3 by flange 2, and the other end is connected with loop bar 4, the set by flange 2 Bar 4 slidably connects telescopic rod 6 by the sliding slot 5 that its end face far from mobile jib 1 is equipped with, and telescopic rod 6 is in the inside of sliding slot 5 Multiple run through is equipped on four sides of the length for the adjustable present apparatus entirety that slidably reciprocates, the loop bar 4 and telescopic rod 6 Hole 7, through hole 7 corresponds on the through hole 7 and telescopic rod 6 on loop bar 4, and the internal activity of through hole 7 is plugged with bolt 8, traditional telescopic lever is only capable of that bolt 8 is arranged from a direction, it is possible to will cause shaking, adjust length later for bolt Through hole 7 on 8 through holes 7 and end face being separately inserted on side can thoroughly fix the position of telescopic rod 6, such ability Tower crane is fixed, far from partition 9 is fixedly connected on an end face of loop bar 4, the partition 9 is separate to be stretched the telescopic rod 6 The one side of contracting bar 6 is equipped with groove 10, and the slot bottom of groove 10 extends to the inside of telescopic rod 6, the slot bottom of the groove 10 It is fixedly connected with square bar 11, the outside of the square bar 11 is socketed with stud 12, and the stud 12 is far from an end face of square bar 11 It is fixedly connected with the second connecting plate 14, the stud 12 is located at engagement on the outside of one end outside groove 10 and is connected with nut 15, turns Dynamic nut 15, stud 12 can can't follow nut 15 to rotate together under the action of square bar 11 in the internal slide of groove 10, Stud 12 can be finely adjusted the length of the present apparatus in the internal slide of groove 10, and the nut 15 is by it close to partition 9 One side on the stop collar 16 that is fixedly connected be rotatably connected on the side of partition 9, width of the stop collar 16 far from 9 one end of partition Spend larger, the width close to 9 one end of partition is smaller, and partition 9 is equipped with second limiting slot 17 corresponding with stop collar 16 can be with Prevent nut 15 from falling off from partition 9, because the entirety of stop collar 16 and the second limiting slot 17 is annular shape will not shadow Ring the rotation of nut 15.

Specifically, the bolt 8 includes straight-bar 801 and fixed disk 806, an end face of the straight-bar 801 and fixed disk 806 are fixedly connected, and the inside of the other end is equipped with dark chamber 802, and the bottom of chamber of dark chamber 802 is through the other end of straight-bar 801 and outer Boundary communicates, and the chamber top of the dark chamber 802 is connected with slide bar 804 by spring 803, and spring 803 has slide bar 804 to dark chamber The pulling force gone is drawn in the direction on 802 chamber tops, and the slide bar 804 is connected by the rotation of fixed plate 811 being fixedly connected in one end It connects there are two bull stick 810, two bull sticks 810 can prevent bolt 8 from arbitrarily falling off from the inside of through hole 7, to cause this Device is built on the sand, simpler using the formal operations step of threaded female compared to traditional, fixed in 804 the other end face of slide bar to connect It is connected to fixed link 805, the upper end of the fixed link 805 sequentially passes through spring 803, the chamber top of dark chamber 802 and fixed disk 806 and turns Dynamic to be connected with turntable 807, turntable 807 can arbitrarily rotate in fixed link 805, but will not fall off from fixed link 805, institute It states turntable 807 and is fixedly connected to bayonet lock 808 close to the two sides of 806 1 end face of fixed disk, bayonet lock 808 is T-block, the fixation The upper side two sides of disk 806 are equipped with card slot 809 corresponding with bayonet lock 808, and one end of card slot 809 is equipped with opening, bayonet lock 808 Then the inside that the opening that can be equipped with by card slot 809 enters card slot 809 rotates turntable 807, the cell wall of card slot 809 can be with Bayonet lock 808 is blocked, so as to so that turntable 807 will not be flicked by the elastic force of spring 803, the outer end of described two bull sticks 810 Extend to the outside of dark chamber 802 by the undercut 813 that dark 802 two sides cell wall of chamber is equipped with respectively, the two of described two bull sticks 810 The first limiting slot 812 is equipped on the side of side, the side wall of dark chamber 802 is equipped with corresponding gag lever post 814, the slide bar It is equipped with placing groove 815 on 804 two sides side, bull stick 810 is in no external force under the action of gag lever post 814 and spring 803 In the case where can be constantly in horizontality, to prevent bolt 8 from arbitrarily falling off from the inside of through hole 7, only work as cunning When bar 804 overcomes basal sliding of the elastic force of spring 803 to dark chamber 802 bull stick 810 just can to the inner rotation of placing groove 815, Fixed disk 806 can be moved up at this time extracts bolt 8 from the inside of through hole 7 out.Mobile jib 1 in certain the utility model can lead to It crosses flange 2 and realizes that multiple mobile jibs 1 carry out ending connection and increase length, can also allow loop bar 4 and first in the case where short certainly Connecting plate 3 by flange 2 connection carry out using.

Specifically, the mobile jib 1 is equipped with empty slot 18 inside one end of loop bar 4, and 18 notch of empty slot is through correspondence Flange 2 and communicate with the outside world, the internal slide of the empty slot 18 is connected with voussoir 19, and the voussoir 19 is far from 18 slot bottom of empty slot An end face on be fixedly connected with fixed block 20, bolt 23, the bolt are rotatably connected on the downside cell wall of the empty slot 18 23 upper end passes through the outside that mobile jib 1 is extended to through slot 21 and through the upside cell wall of empty slot 18 that voussoir 19 is equipped with, institute State engagement on the outside of one end that bolt 23 is located inside empty slot 18 and be connected with crowded block 22, rotate forward bolt 23 can make to squeeze block 22 to The cell wall movement of 18 downside of empty slot, so as to keep voussoir 19 sliding to the direction of 18 slot bottom of empty slot so as to squeeze block 22 and squeeze voussoir 19 Dynamic, at this moment voussoir 19 will pull the inside that fixed block 20 causes it to move to empty slot 18, and the upper side of the fixed block 20 is equipped with T-type Slot 24, the flange 2 on the loop bar 4 are equipped with fixture block 13 close to an end face of mobile jib 1, the fixture block 13 on loop bar 4 are put into solid The inside for determining the T-slot 24 on block 20, then rotate forward bolt 23 can make voussoir 19 by fixed block 20 pull loop bar 4 from And the flange 2 on the flange 2 and loop bar 4 on mobile jib 1 is made to be in contact, loop bar 4 and mobile jib 1 are passed through into flange 2 so as to facilitate It links together, since mobile jib 1 and loop bar 4 are iron and steel material qualities, so weight is big, if the paid placement of docking is unstable right It connects and is easy skew, the accuracy of connection can be effectively improved in this way, reduce difficulty of construction.

Specifically, being fixedly connected with reinforcing rib between first connecting plate 3 and coupled flange 2, can make First connecting plate 3 is connect more firm with flange 2.

Working principle: the first connecting plate 3 is connected on mobile jib 1 by flange 2 first, then lifts loop bar 4 for fixture block 13 It is put into the inside of T-slot 24, then rotate forward bolt 23 to make to squeeze the extruding voussoir 19 of block 22, to make the flange 2 and master on loop bar 4 Flange 2 on bar 1 is in contact, then loop bar 4 is connected with mobile jib 1 by screw, then telescopic rod 6 is inserted into the inside of sliding slot 5, Telescopic rod 6 is pulled out to general length further according to the length of needs, makes the through hole on the through hole 7 and loop bar 4 on telescopic rod 6 7 are mutually aligned, and then pressing turntable 807 packs up bull stick 810, and then rotating turntable 807 blocks card slot 809 by bayonet lock 808 Firmly, at this moment bolt 8 can be inserted through to the inside in hole 7 to the position of fixed telescopic rod 6, then rotates backward turntable 807 So that bayonet lock 808 and card slot 809 is detached from clamping at this moment under the action of spring 803, then cooperate gag lever post 814, bull stick 810 can be in Then unfolded state stretches out stud 12 in rotating nut 15 and either contracts to prevent bolt 8 from falling off from the inside of through hole 7 Return to being finely adjusted to the length of the present apparatus, after adjusting to specified length can by the both ends of the present apparatus respectively with tower crane and Building is connected.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of novel tower crane telescopic lever, including mobile jib (1), it is characterised in that: one end of the mobile jib (1) passes through flange (2) it is connected with the first connecting plate (3), the other end is connected with loop bar (4) by flange (2), and the loop bar (4) is by it far from main The sliding slot (5) that one end face of bar (1) is equipped with slidably connects telescopic rod (6), and four of the loop bar (4) and telescopic rod (6) Side is equipped with multiple through holes (7), and the internal activity of through hole (7) is plugged with bolt (8), and the telescopic rod (6) is separate It is fixedly connected on one end face of loop bar (4) partition (9), the partition (9) is equipped with groove far from the one side of telescopic rod (6) (10), and the slot bottom of groove (10) extends to the inside of telescopic rod (6), and the slot bottom of the groove (10) is fixedly connected with square bar (11), it is socketed with stud (12) on the outside of the square bar (11), the stud (12) is far from fixed on an end face of square bar (11) It is connected with the second connecting plate (14), the stud (12) is located at engagement on the outside of the external one end of groove (10) and is connected with nut (15), the nut (15) by its stop collar (16) being fixedly connected on the one side of partition (9) be rotatably connected on every On the side of plate (9).

2. a kind of novel tower crane telescopic lever according to claim 1, it is characterised in that: the bolt (8) includes straight-bar (801) it is fixedly connected with fixed disk (806), an end face of the straight-bar (801) with fixed disk (806), the inside of the other end is set Have dark chamber (802), and the bottom of chamber of dark chamber (802) is communicated with the outside world through the other end of straight-bar (801), the dark chamber (802) Chamber top be connected with slide bar (804) by spring (803), the slide bar (804) is consolidated by what is be fixedly connected in one end There are two fixed board (811) rotation connections bull stick (810), is fixedly connected with fixed link (805) in slide bar (804) the other end face, The upper end of the fixed link (805) sequentially passes through spring (803), the chamber top of dark chamber (802) and fixed disk (806) and is rotatablely connected Have turntable (807), the turntable (807) is fixedly connected to bayonet lock (808), institute close to the two sides of (806) one end face of fixed disk The upper side two sides for stating fixed disk (806) are equipped with card slot (809) corresponding with bayonet lock (808), described two bull sticks (810) Outer end extends to the outside of dark chamber (802) by the undercut (813) that dark chamber (802) two sides cell wall is equipped with respectively, described two It is equipped on the two sides side of bull stick (810) the first limiting slot (812), the side wall of dark chamber (802) is equipped with corresponding limit Position bar (814) is equipped with placing groove (815) on the two sides side of the slide bar (804).

3. a kind of novel tower crane telescopic lever according to claim 1, it is characterised in that: the mobile jib (1) is close to loop bar (4) empty slot (18) are equipped with inside one end, and empty slot (18) notch through corresponding flange (2) and communicates with the outside world, the sky The internal slide of slot (18) is connected with voussoir (19), is fixedly connected on an end face of separate empty slot (18) slot bottom of the voussoir (19) Have fixed block (20), be rotatably connected to bolt (23) on the downside cell wall of the empty slot (18), the upper end of the bolt (23) is worn The outside that the upside cell wall through slot (21) and through empty slot (18) that voussoir (19) is equipped with extends to mobile jib (1) is crossed, it is described Bolt (23) is located at engagement on the outside of the internal one end of empty slot (18) and is connected with crowded block (22), and the upper side of the fixed block (20) is set Have T-slot (24), the flange (2) on the loop bar (4) is equipped with fixture block (13) close to an end face of mobile jib (1).

4. a kind of novel tower crane telescopic lever according to claim 1, it is characterised in that: first connecting plate (3) and Reinforcing rib is fixedly connected between coupled flange (2).