CN215170048U

CN215170048U - Two lining platform trucks of arm-type are by window cloth mechanism

Info

Publication number: CN215170048U
Application number: CN202120616868.XU
Authority: CN
Inventors: 丁达兴; 丁颖群
Original assignee: Fujian Zhengfang Machinery Co ltd
Current assignee: Fujian Zhengfang Machinery Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-12-14
Anticipated expiration: 2031-03-25

Abstract

The utility model relates to an arm type two-lining trolley window-by-window distributing mechanism, which comprises a distributing pipe, a turnover distributing head and a cantilever positioned at the top of the two-lining trolley; the distributing pipe is supported by the cantilever and is communicated with the feeding end and the overturning distributing head, and the distributing pipe is characterized in that: the cantilever is arranged in a pipe seat fixed on a platform at the top of the door beam assembly in a penetrating way, the pipe seat supports the cantilever to be in a horizontal state, and a driving mechanism capable of driving the cantilever to horizontally move relative to the pipe seat is arranged between the pipe seat and the cantilever; one end of the cantilever is provided with a hanging bracket, the distributing pipe is fixed on the hanging bracket, and one end with the turnover distributing head is suspended; the hanging bracket is provided with a material distributing pipe and a foldable pipe group which can be unfolded, and the foldable pipe group is connected with a concrete material and is connected with a material distributing pipe after passing through the material distributing pipe. The utility model has the characteristics of think about ingenious, simple structure, control nimble, flexible, the efficiency of construction is high.

Description

Two lining platform trucks of arm-type are by window cloth mechanism

The technical field is as follows:

the utility model belongs to tunnel lining equipment field, in particular to two lining platform trucks of arm-type pursue window cloth mechanism especially adopt unsettled cloth pipe and cooperate deployable folding nest of tubes, can stretch into the pouring of accomplishing the full flow of full workshop section from two lining platform truck tip.

Background art:

the construction of the secondary lining concrete of the tunnel takes a lining trolley as a template system, and then the concrete is pumped into a mold for pouring. The secondary lining trolley mainly comprises a portal frame, a bottom beam, a template hydraulic rod, an upper top frame, a top template and a side template; the material distributing system comprises a material distributing machine, a pouring pipe, a pouring window and the like. When the traditional method is adopted for carrying out two-lining concrete construction, in order to realize transverse, left, right, equal-height symmetry and longitudinal layered uniform pouring, a plurality of mold feeding windows (concrete feeding windows) are generally arranged on the left side, the right side, the upper part, the middle part and the lower part of a trolley in a layered mode along the axis direction of a tunnel, and concrete is conveyed to each mold feeding window from a conveying pump discharge port through a detachable conveying pipe. Of course, the act of arranging and removing the tubes one by one for each window lacks efficiency, and various assumptions are made for the operator, such as:

patent application No. 201220331471.7 discloses a distributing device based on two lining concrete construction trolleys in tunnel, including being used for carrying the switching-over pipe of concrete and being connected to the leading-in chute of a plurality of concrete of each income mould window department on the trolley, a plurality of leading-in chute tops of concrete are located to the switching-over pipe, and the exit end of switching-over pipe can change between a plurality of leading-in chutes of concrete. The efficiency problem is solved by installing the leading-in chutes at one time and distributing and pouring one by one, but chutes with different lengths and specifications are prepared, and the trouble in installation is increased.

And patent application number 201721893372.7 discloses a tunnel lining platform truck layering is by window pouring and cleaning system, including template unit, slip casting mouth, sprue gate, pipe-line system and cloth system, a plurality of template units connect gradually and form the domes and form the pouring area in the inboard of domes, wherein: the plurality of grouting ports are arranged at the vault position outside the arch structure and are arranged in the circumferential direction and the axial direction; the pipeline system comprises a plurality of concrete pipelines, one ends of the concrete pipelines are respectively led to each pouring gate, the other ends of the concrete pipelines are connected to the pouring gates, the material distribution system comprises a concrete pump, a feeding pipe, a material distribution trolley and a material distribution rack, the concrete pump is connected with the material distribution trolley through the feeding pipe, a track is arranged on the material distribution rack, the material distribution trolley moves on the track, a feeding port is formed in the material distribution trolley, and the feeding port corresponds to the pouring gates. The concrete is axially distributed one by one through the distribution trolley, but the troubles of pipe distribution and butt joint of the distribution trolley and each pipeline still exist.

Patent application No. 202010302225.8 discloses a novel hydraulic trolley for casting a tunnel secondary lining. The technical idea that the material distribution system is supported by the mechanical arm and the adjustment of up-down, left-right and extension is realized by matching with a pipeline rotary joint is provided, but systematic matching details are lacked.

How to overcome the traditional technique not enough, provide a window cloth equipment that can carry out one by one, become the utility model discloses the object of research.

The invention content is as follows:

the utility model aims at designing a cloth pipe by the unsettled hoist and mount of cantilever, can stretch into and accomplish the window cloth mechanism that pursues of full workshop section pouring from two lining platform truck tip.

The utility model discloses technical scheme realizes like this: an arm type two-lining trolley window-by-window distributing mechanism comprises a distributing pipe, a turnover distributing head and a cantilever positioned at the top of a door beam assembly; the distributing pipe is supported by the cantilever and is communicated with the feeding end and the overturning distributing head, and the distributing pipe is characterized in that: the cantilever is arranged in a pipe seat fixed on a platform at the top of the door beam assembly in a penetrating way, the pipe seat supports the cantilever to be in a horizontal state, and a driving mechanism capable of driving the cantilever to horizontally move relative to the pipe seat is arranged between the pipe seat and the cantilever; one end of the cantilever is provided with a hanging bracket, the distributing pipe is fixed on the hanging bracket, and one end with the turnover distributing head is suspended; the hanging bracket is provided with a material distributing pipe and a foldable pipe group which can be unfolded, and the foldable pipe group is connected with a concrete material and is connected with a material distributing pipe after passing through the material distributing pipe.

The folding pipe group comprises pipe sections, bent pipe bearings and support rods, the end parts of a plurality of pipe sections are connected and strung by the bent pipe bearings to form the folding pipe group, each pipe section is correspondingly provided with one support rod, the two ends of each support rod are correspondingly locked on the bent pipe bearings at the two ends of the pipe section, the pipe sections and the bent pipe parts of the bent pipe bearings at the two ends are combined into a rigid whole, and adjacent pipe sections can freely rotate around the connection part of the bent pipe bearings; the material inlet end of the folding pipe group is supported by a support arm fixed on the fixed part of the door beam assembly.

The tube seat is of an H-shaped structure, two synchronous cantilevers penetrate through the tube seat, and the two cantilevers are locked into a whole by a hanging bracket arranged at the end part; the driving mechanism comprises a motor and a gear box which are arranged on the pipe seat, a chain wheel or a gear is fixed on an output shaft of the gear box, a chain or a rack which is meshed with the chain or the gear is arranged on one side of the cantilever, and the chain or the rack and the cantilever move together under the driving of the chain wheel or the gear.

The tube seat and the cantilever are both rectangular structures, sliding blocks are arranged on the contact surfaces of the two ends of the tube seat and the cantilever respectively, or a self-lubricating copper sleeve is sleeved between the tube seat and the cantilever.

Two ends of the output shaft of the gearbox are supported by a chain wheel box, and the chain wheel box is locked on the tube seat; two tension sprockets are also positioned in the sprocket box and are correspondingly or symmetrically arranged at two sides of the output shaft, and a chain bypasses the tension sprockets, the sprockets and the tension sprockets; a chain is arranged on each cantilever, and the chain passes through the surface of the pipe seat and then passes through the tension chain wheel and the chain wheel in the chain wheel box.

And the upper surfaces of the two ends of the pipe seat are also provided with supporting chain wheels which are meshed with the passing chains and support the chains.

The width of the hanging bracket is equivalent to the distance between the upright posts on the two sides of the two lining trolleys, and a distributing pipe with a turnover distributing head is correspondingly arranged on the two sides of the hanging bracket; the two distributing pipes are connected with a three-way distributing pipe after passing through a stop valve, and the other way of the distributing pipe is connected with a folding pipe group.

The folding pipe group is offset on one side of the hanging bracket, and the material distributing pipe is arranged in the middle.

The utility model discloses utilize unsettled cloth pipe ingeniously, can follow the cantilever under the gallows supports, follow two lining platform truck tip, get into the side space, realize the left and right sides operation of cloth window by window, the folding nest of tubes of supporting satisfies the expansion and folds up and follows the needs, and only need dispose a actuating mechanism that drives the cantilever, simplify the relation between other parts, the action is more nimble reliable; the whole structure has the characteristics of ingenious conception, simple structure, flexible control, free expansion and contraction and high construction efficiency.

Description of the drawings:

the present invention will be further explained with reference to the following specific drawings:

FIG. 1 is a schematic view of a door beam assembly with an arm-type window-by-window distributing mechanism

FIG. 2 is a schematic view of a suspended two-lining trolley window-by-window cloth mechanism

FIG. 3 is a schematic view showing the relationship between the tube seat and the driving mechanism

Wherein

1-door beam assembly 11-upright post 12-top platform 13-support arm

2-distributing pipe 21-stop valve 3-turnover distributing head 4-folding pipe group

41-pipe section 42-elbow bearing 43-support rod 5-material distributing pipe

6-cantilever 61-hanger 7-tube seat 71-sliding block

72-supporting chain wheel 8-driving mechanism 81-motor 82-gearbox

821-output shaft 83-chain wheel 84-chain 85-chain wheel box

86-tension sprocket

The specific implementation mode is as follows:

referring to fig. 1, 2 and 3, the arm type two-lining trolley window-by-window distributing mechanism is arranged on a door beam assembly 1 to finish concrete window-by-window pouring operation, and the door beam assembly 1 forming the two-lining trolley main body comprises upright posts 11 with supporting functions on two sides and a supported top platform 12. The window-by-window distributing mechanism comprises a distributing pipe 2, a turnover distributing head 3, a folding pipe group 4, a distributing pipe 5, a cantilever 6, a pipe seat 7 and a driving mechanism 8; the pipe seat 7 is fixed on the top platform 12 of the door beam assembly 1, adopts a centered design, and the pipe seat 7 is in an H-shaped structure and is provided with two channels for the cantilever 6 to pass through. That is, two synchronous cantilevers 6 are matched and sleeved, the two cantilevers 6 are locked into a whole by a hanging bracket 61 arranged at the end part, and the driving mechanism 8 arranged on a tube seat 7 drives the cantilevers to move horizontally. More specifically, the tube seat 7 and the cantilever 6 are both rectangular structures, the contact surfaces of the two ends of the tube seat 7 and the cantilever 6 are respectively provided with a sliding block 71, or a self-lubricating copper sleeve is sleeved between the tube seat and the cantilever, so that relative movement is smoother and abrasion is reduced.

The driving mechanism 8 includes a motor 81 and a gear box 82 which are arranged on the tube base 7, a chain wheel 83 or a gear is fixed on an output shaft 821 of the gear box, a chain 84 or a rack which is meshed with the chain wheel is arranged on one side of the cantilever 6, and the chain 84 or the rack moves together with the cantilever 6 under the driving of the chain wheel 83 or the gear.

Further, two ends of the output shaft 821 of the gearbox are supported by a chain wheel box 85, and the chain wheel box 85 is locked on the tube seat 7; two tension sprockets 86 are positioned in the sprocket box 85 and are correspondingly or symmetrically arranged on two sides of the output shaft 821, and the chain 84 bypasses the tension sprockets 86, the sprocket 83 and the tension sprocket 86; a chain 84 is arranged on each cantilever 6, and the chain 84 passes through a tensioning chain wheel 86 and a chain wheel 83 in a chain wheel box from the surface of the pipe seat 7, so that the meshing reliability of the chain wheel 83 and the chain 84 is ensured, and the trend of the chain 84 can be adjusted. In addition, the upper surfaces of both ends of the tube seat 7 are provided with supporting sprockets 72 which engage with the passing chain 84 and support the chain, thereby preventing the chain 84 from being worn by direct contact with the tube seat 7. As shown in fig. 3.

If the gear and the rack are matched, the rack is directly locked on the upper surface of the cantilever 6 and can penetrate through the pipe seat 7 together with the cantilever 6, and a slotted hole is formed in the position, corresponding to the gear on the output shaft, of the pipe seat so as to enable the gear to be inserted into the pipe seat and meshed with the passing rack.

As shown in fig. 2, the distributing pipe 2 is fixed on the hanger 61, and one end with the turnover distributing head 3 is suspended; the hanging bracket 61 is provided with a material distributing pipe 5 and an expandable folding pipe group 4, the folding pipe group 4 is connected with a concrete material and is connected with the material distributing pipe 2 after passing through the material distributing pipe 5, and the material distributing pipe 2 is distributed by the material distributing pipe 5. In this example, two distributing pipes 2 are arranged to meet the need of pouring from window to window at the left and right sides. More specifically, a hanging bracket 61 is arranged at one end of the cantilever 6, the width of the hanging bracket 61 is equivalent to the distance between the upright posts 11 at two sides of the two-lining trolley, and a distributing pipe 2 with a turnover distributing head 3 is correspondingly arranged at two sides of the hanging bracket 61; the two distributing pipes 2 are connected with a three-way distributing pipe 5 after passing through a stop valve 21, and the other way of the distributing pipe 5 is connected with a folding pipe group 4.

The folding pipe group 4 comprises pipe sections 41, elbow bearings 42 and support rods 43, the end parts of a plurality of pipe sections 41 are connected and strung by the elbow bearings 42 to form the folding pipe group, each pipe section 41 is correspondingly provided with a support rod 43, the two ends of the support rods 43 are correspondingly locked on the elbow bearings 42 at the two ends of the pipe section, the pipe sections 41 and the elbow parts of the elbow bearings 42 at the two ends are combined into a rigid whole, and the adjacent pipe sections 41 can freely rotate around the joints of the elbow bearings 42, namely the adjacent pipe sections 41 are kept to rotate on the parallel plane, so that the requirements of unfolding and folding are met; the material inlet end of the folding pipe group 4 is supported by a support arm 13 fixed on the fixed part of the door beam assembly 1, and the position of the folding pipe group and the concrete vehicle is kept relatively stable.

Further, the folding pipe group 4 is offset to one side of the hanger 61, and the material distributing pipe 5 is arranged in the center.

The elbow bearing 42 is a commercially available common component, and includes elbow portions and bearing portions at both ends, and an elbow bearing that rotates on parallel planes can be configured by disposing the elbow portions at 91 degrees.

Claims

1. An arm type two-lining trolley window-by-window material distribution mechanism comprises a material distribution pipe (2), a turnover material distribution head (3) and a cantilever (6) positioned at the top of a door beam assembly; distributing pipe (2) are supported by cantilever (6) to feed end and upset distributing head (3), its characterized in that: the cantilever (6) is arranged in a pipe seat (7) fixed on a platform at the top of the door beam assembly in a penetrating way, the pipe seat (7) supports the cantilever (6) to be in a horizontal state, and a driving mechanism (8) capable of driving the cantilever (6) to move horizontally relative to the pipe seat (7) is arranged between the pipe seat (7) and the cantilever (6); one end of the cantilever (6) is provided with a hanging bracket (61), the distributing pipe (2) is fixed on the hanging bracket (61), and one end with the turnover distributing head (3) is suspended; the hanging bracket (61) is provided with a material distributing pipe (5) and a foldable pipe group (4) which can be unfolded, and the foldable pipe group (4) is connected with a concrete material and is connected with the material distributing pipe (2) after passing through the material distributing pipe (5).

2. The arm-type two-lining trolley window-by-window material distribution mechanism of claim 1, wherein: the folding pipe group (4) comprises pipe sections (41), bent pipe bearings (42) and support rods (43), the end parts of a plurality of pipe sections (41) are connected by the bent pipe bearings (42) to form the folding pipe group (4), each pipe section (41) is correspondingly provided with one support rod (43), the two ends of each support rod (43) are correspondingly locked on the bent pipe bearings (42) at the two ends of the pipe section (41), the pipe sections (41) and the bent pipe parts of the bent pipe bearings (42) at the two ends are combined into a rigid whole, and the adjacent pipe sections (41) can freely rotate around the connection part of the bent pipe bearings (42); the material inlet end of the folding pipe group (4) is supported by a support arm (13) fixed on the fixed part of the door beam assembly.

3. The arm-type two-lining trolley window-by-window material distribution mechanism of claim 1 or 2, wherein: the tube seat (7) is of an H-shaped structure, two synchronous cantilevers (6) penetrate through the tube seat, and the two cantilevers (6) are locked and fixed into a whole by a hanging bracket (61) arranged at the end part; the driving mechanism (8) comprises a motor (81) and a gearbox (82) which are arranged on the pipe seat (7), a chain wheel (83) or a gear is fixed on an output shaft (821) of the gearbox, a chain (84) or a rack which is meshed with the chain wheel is arranged on one side of the cantilever (6), and the chain (84) or the rack and the cantilever (6) move together under the driving of the chain wheel (83) or the gear.

4. The arm-type two-lining trolley window-by-window material distribution mechanism of claim 3, wherein: both the tube seat (7) and the cantilever (6) are of rectangular structures, sliding blocks (71) are arranged on the contact surfaces of the two ends of the tube seat (7) and the cantilever (6) respectively, or a self-lubricating copper sleeve is sleeved between the tube seat (7) and the cantilever (6).

5. The arm-type two-lining trolley window-by-window material distribution mechanism of claim 3, wherein: two ends of the output shaft (821) of the gearbox are supported by a chain wheel box (85), and the chain wheel box (85) is locked on the tube seat (7); two tension sprockets (86) are further positioned in the sprocket box (85) and are correspondingly or symmetrically arranged on two sides of the output shaft (821), and a chain (84) bypasses the tension sprockets (86), the sprockets and the tension sprockets (86); a chain (84) is arranged on each cantilever (6), and the chain (84) passes through a tensioning chain wheel (86) and a chain wheel in a chain wheel box (85) after passing through the surface of the tube seat (7).

6. The arm-type two-lining trolley window-by-window material distribution mechanism of claim 5, wherein: the upper surfaces of both ends of the pipe seat (7) are also provided with supporting chain wheels (72) which are meshed with the passing chain (84) and support the chain (84).

7. The arm-type two-lining trolley window-by-window material distribution mechanism of claim 1 or 2, wherein: the width of the hanger (61) is equal to the distance between the upright posts on the two sides of the two lining trolleys, and a distributing pipe (2) with a turnover distributing head (3) is correspondingly arranged on the two sides of the hanger (61); the two distributing pipes (2) are connected with a three-way material distributing pipe (5) through a stop valve (21), and the other end of the material distributing pipe (5) is connected with a folding pipe group (4).

8. The arm-type two-lining trolley window-by-window material distribution mechanism of claim 7, wherein: the folding pipe group (4) is offset at one side of the hanging bracket (61), and the material distributing pipe (5) is arranged in the center.