Cloth truss limiting system

Abstract

The utility model discloses a cloth truss limiting system which comprises a limiting system A and a limiting system B. The limiting system A and the limiting system B are located in a cloth truss, the limiting systems provide limit stroke information for work of the cloth truss, and meanwhile a control system of a cloth machine provides a forced signal. And deformation and even accidents of the distributing machine caused by stretching and retracting overrun of the distributing truss are prevented, so that the working stability and safety of the distributing machine are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to caterpillar type distributing machine technical field, especially a distributing truss limiting system. BACKGROUND

[0002] Caterpillar type distributing machine is the equipment for large volume concrete pouring, and in use, in order to facilitate the operation of operator and the operation and adjustment of distribution, adapt to different production tasks, reduce the labor cost and operation difficulty, usually will set up multiple telescopic distributing truss, and the distributing machine reaches telescopic effect through the hydraulic drive and the friction traction distributing truss of steel wire rope, and the limiting device set on the traditional distributing truss is multifunctional stopper (consisting of high-precision big transmission ratio speed reducer and the mechanical memory control mechanism synchronous with its output shaft), but due to the insufficient friction of hydraulic drive and steel wire rope to overcome the working resistance, leading to transmission failure, simultaneously leading to the stroke change of multifunctional stopper, resulting in the telescopic overlimit of distributing truss, causing the deformation of distributing machine and even the problem of accident. SUMMARY

[0003] One of the purposes of the utility model at least is to provide a distributing truss limiting system, which can solve the telescopic overlimit problem of distributing truss during the distribution of distributing machine through the limiting system, thereby improving the stability and safety of the work of distributing machine.

[0004] In order to achieve the above purpose, the utility model adopts the technical scheme including the following aspects.

[0005] A distributing truss limiting system, including A limiting system and B limiting system, the A limiting system and B limiting system are located in the interior of distributing truss, the horizontal line of A limiting system is higher than the horizontal line of B limiting system, A limiting system is used for providing limit stroke information for the contraction of distributing truss, B limiting system is used for providing limit stroke information for the extension of distributing truss, the distributing truss includes first distributing truss and second distributing truss, the first distributing truss is connected with walking mechanism through connecting structure, the second distributing truss is inserted into the first distributing truss from the right end of first distributing truss, the A limiting system includes A stopper and A stop block, the B limiting system includes B stopper and B stop block, the A stopper and B stopper are arranged on the first distributing truss, and the A stop block and B stop block are arranged on the second distributing truss.

[0006] Preferably, the A position limiter is fixedly arranged on the structural beam one at the top of the first cloth truss and close to the left end of the structural beam one, and is vertically perpendicular to the telescopic direction of the second cloth truss; the A stop block is arranged on the outer side of the second cloth truss and located at the left end of the second cloth truss; the A position limiter and the A stop block are located on the same horizontal line; the A position limiter is located on the left side of the multifunctional position limiter and is connected in series with the multifunctional position limiter.

[0007] Preferably, the B position limiter is fixedly arranged on the inner side of the side plate of the first cloth truss, the side plate is arranged on the opposite side of the right end of the first cloth truss, and the B position limiter is transversely perpendicular to the telescopic direction of the second cloth truss; the B stop block is arranged on the outer side of the second cloth truss and located on the right side of the A stop block; the B position limiter and the B stop block are located on the same horizontal line; the B position limiter is located on the right side of the other multifunctional position limiter and is connected in series with the other multifunctional position limiter.

[0008] Preferably, the A position limiter is fixedly connected with the structural beam one through a support, the A position limiter comprises a switch seat, an operating head and a position limiting assembly, the support is L-shaped, the support comprises a horizontal rod and a vertical rod, the horizontal rod is fixedly connected with the structural beam one in a horizontal manner, and the vertical rod extends out of the structural beam one; the switch seat is arranged on the vertical rod in a vertical manner; and the position limiting assembly extends out of the vertical rod in a vertical manner.

[0009] Preferably, the B position limiter and the A position limiter are of the same structure, the B position limiter is fixedly connected with the side plate through another support, the horizontal rod of the other support is fixedly connected with the side plate in a vertical manner, the vertical rod of the other support extends away from the side plate, the B position limiter is arranged on the top surface of the vertical rod of the other support, the B position limiter is arranged in parallel with the vertical rod, and the position limiting assembly on the B position limiter extends out of the vertical rod in a horizontal manner.

[0010] Preferably, the A position limiter system further comprises an A position limiting device, the A position limiting device is arranged on the left side of the A position limiter and located on the same horizontal line as the A position limiter; and the B position limiter system further comprises a B position limiting device, the B position limiting device is arranged on the right side of the B position limiter and located on the same horizontal line as the B position limiter.

[0011] Preferably, the A position limiting device comprises a component one and a component two, the component one is fixedly connected with the structural beam one in a horizontal manner, the component two is perpendicular to the component one, the component two extends out of the structural beam one in a vertical manner, and rubber plates one and two are sequentially and adhesively connected on the side surface of the component two close to the A position limiter; one or more reinforcing members parallel to each other are arranged at the connecting position of the component one and the component two, the reinforcing member is in the shape of a right triangle in cross section, one right angle of the reinforcing member is connected with the component one, and the other right angle is connected with the component two; and the B position limiting device is of the same structure as the A position limiting device.

[0012] Preferably, the switch seat is provided with a connecting plate in the length direction, the connecting plate is connected with the switch seat through a bolt, and the connecting plate is connected with the vertical rod through a first pin shaft.

[0013] Preferably, the switch seat is connected with the vertical rod through a second pin shaft.

[0014] Preferably, the center of the roller of the A limit stopper and the center of the A block are kept within a vertical error of ±1cm, the center of the roller of the B limit stopper and the center of the B block are kept within a horizontal error of ±1cm, the center of the A limit device and the center of the A block are kept within a vertical error of ±1cm, and the center of the B limit device and the center of the B block are kept within a horizontal error of ±1cm.

[0015] In conclusion, the utility model has at least the following beneficial effects:

[0016] The limit system provides limit stroke information for cloth truss work, the A limit system provides limit stroke information for cloth truss contraction, the B limit system provides limit stroke information for cloth truss extension, the limit system provides a forced signal for the control system of the cloth machine, prevents cloth truss extension from being out of limit and causing the cloth machine to deform or even accidents, and thus improves the stability and safety of the cloth machine work. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is the track-type cloth machine equipment elevation view of the exemplary embodiment of the utility model.

[0018] Figure 2 is the first connecting structure enlarged view of the A limit stopper of the exemplary embodiment of the utility model.

[0019] Figure 3 is the enlarged schematic view of the first connecting structure of the A limit stopper from another perspective of the exemplary embodiment of the utility model.

[0020] Figure 4 is the second connecting structure enlarged view of the A limit stopper of the exemplary embodiment of the utility model.

[0021] Figure 5 is the third connecting structure enlarged view of the A limit stopper of the exemplary embodiment of the utility model.

[0022] Figure 6 is the enlarged schematic view of the third connecting structure of the A limit stopper from another perspective of the exemplary embodiment of the utility model.

[0023] Figure 7 is the fourth connecting structure enlarged view of the A limit stopper of the exemplary embodiment of the utility model.

[0024] Figure 8 is a fourth connecting structure of the A stopper of the exemplary embodiment of the utility model from another perspective.

[0025] Figure 9 is Figure 1 is an enlarged view of A.

[0026] Figure 10 is an enlarged view of the connecting structure of the B stopper of the exemplary embodiment of the utility model.

[0027] In the figure, 1 is a walking mechanism, 2 is a feeding mechanism, 3 is a cloth truss, 31 is a first cloth truss, 311 is a structure crossbeam one, 312 is a side plate, 32 is a second cloth truss, 4 is a rotating structure, 5 is a connecting structure, 6 is a limiting system, 7 is an A limiting system, 71 is an A stopper, 711 is a switch seat, 712 is an operating head, 713 is a limiting assembly, 72 is an A stop block, 73 is an A limiting device, 731 is a part one, 732 is a part two, 8 is a B limiting system, 81 is a B stopper, 82 is a B stop block, 9 is a discharge hopper, 10 is an elephant trunk pipe, 11 is a support, 111 is a horizontal rod, 112 is a vertical rod, 12 is a connecting plate, 13 is a first pin shaft, 14 is a anti-loose nut one, 15 is a rubber plate one, 16 is a rubber plate two, 17 is a reinforcing part, 18 is a second pin shaft, and 19 is a anti-loose nut two. DETAILED DESCRIPTION

[0028] The utility model will be further explained in detail in combination with the drawings and examples, so that the purpose, technical scheme and advantages of the utility model are more clear and explicit. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model. Example 1

[0029] Figure 1 The track type cloth distributing machine structure of the exemplary embodiment of the utility model is shown, mainly including walking mechanism 1, feeding mechanism 2, cloth truss 3, walking mechanism 1 and feeding mechanism 2 are connected through rotating structure 4, walking mechanism 1 is also connected with cloth truss 3 through connecting structure 5, the end of cloth truss 3 is provided with discharge hopper 9, the discharge port of discharge hopper 9 is connected with elephant trunk pipe 10, the track type cloth distributing machine structure further includes limiting system 6, limiting system 6 is arranged on cloth truss 3, limiting system 6 provides limit travel information for the work of cloth truss 3, simultaneously provides forced signal for the control system of cloth distributing machine, prevents cloth truss 3 from telescoping and leading to cloth distributing machine deformation even accident, thereby improves the stability and safety of cloth distributing machine work.

[0030] The fabric truss 3 can be configured with multiple sections. In this embodiment, two sections are used as an example. The fabric truss 3 includes a first fabric truss 31 and a second fabric truss 32. The first fabric truss 31 is connected to the traveling mechanism 1 through a connecting structure 5. The second fabric truss 32 is formed by the right end of the first fabric truss 31 ( Figure 1 In the left and right direction, the end of the first fabric truss 31 away from the walking mechanism 1 extends into the first fabric truss 31. A side plate 312 is provided at the right end of the first fabric truss 31. The side plate 312 is located on the opposite side of the first fabric truss 1. The cross section of the side plate 312 is triangular.

[0031] The limiting system 6 is located inside the fabric truss 3. The limiting system 6 includes a limiting system A 7 and a limiting system B 8. The horizontal line set by the limiting system A 7 is higher than the horizontal line set by the limiting system B 8. The limiting system A 7 is used to provide limit travel information when the fabric truss 3 retracts, and the limiting system B 8 is used to provide limit travel information when the fabric truss 3 extends.

[0032] The A-limiting system 7 includes an A-limiter 71 and an A-stop 72. The A-limiter 71 is fixedly installed on the structural beam 311 at the top of the first fabric truss 31 and near the left end of the structural beam 311. Figure 1 In the left-right direction, near one end of the traveling mechanism 1), limiter A 71 is vertically perpendicular to the extension and retraction direction of the second fabric truss 32; the stop block A 72 is located on the outer surface of the second fabric truss 32 and at the left end of the second fabric truss 32 ( Figure 1 (In the left and right direction, near one end of the traveling mechanism 1); the A limiter 71 and the A stop 72 are located on the same horizontal line; the A limiter 71 is located to the left of the multi-functional limiter (not shown in the figure) and is connected in series with the multi-functional limiter. The A limiter 71 is used to provide a working termination point when the second fabric truss 32 is retracted. The A limiter 71 adopts a mechanical roller limiter. When the stroke of the multi-functional limiter changes, the second fabric truss 32 continues to retract, eventually causing the A stop 72 to contact the roller of the A limiter 71. The control system of the fabric placing machine receives a forced signal, and the retraction action stops to prevent the second fabric truss 32 from continuing to retract and causing damage to the fabric truss 3 and an accident.

[0033] The B-limiting system 8 includes a B-limiter 81 and a B-stop 82. The B-limiter 81 is fixedly installed on the inner side of the side plate 312, and the B-limiter 81 is perpendicular to the transverse direction of the extension and retraction of the second fabric truss 32. The B-stop 82 is installed on the outer side of the second fabric truss 32 and is located to the right of the A-stop 72. Figure 1The B limiter 81 and the B block 82 are located on the same horizontal line; the B limiter 81 is located on the right side of another multifunctional limiter and is connected in series with another multifunctional limiter, the B limiter 81 is used to provide the maximum extension amount when the second cloth truss 32 is extended, the B limiter 81 adopts a mechanical roller limiter, when the stroke of the multifunctional limiter changes, the second cloth truss 32 continues to extend, finally the B block 82 touches the roller of the B limiter 81, the control system of the cloth machine receives a forced signal, the extension action stops, and the second cloth truss 32 is prevented from falling due to the continuous extension caused by the work requirement or human operation error.

[0034] The A limiter 71 is fixedly connected with the structural beam one 311 through the support 11, the A limiter 71 includes a switch seat 711, an operating head 712 and a limiting assembly 713; as shown in Figure 2 、 Figure 3 The support 11 is L-shaped and has a certain thickness and width; the support 11 includes a horizontal rod 111 and a vertical rod 112, the horizontal rod 111 is fixedly connected horizontally on the structural beam one 311, the vertical rod 112 extends out of the structural beam one 311 (the vertical rod 112 can also be partially connected with the structural beam one 311 and partially extend out of the structural beam one 311), the switch seat 711 is vertically arranged on the vertical rod 112, the switch seat 711 is connected with the vertical rod 112 through a bolt one, and the limiting assembly 713 vertically extends out of the vertical rod 112.

[0035] As shown in Figure 10 The B limiter 81 and the A limiter 71 are structurally the same, the B limiter 81 is fixedly connected with the side plate 312 through another support 11, the horizontal rod 111 of the other support 11 is fixedly connected vertically on the inner side of the side plate 312, the vertical rod 112 of the other support 11 extends away from the side plate 312, the B limiter 81 is arranged on the top surface of the vertical rod 112 of the other support 11, the B limiter 81 is arranged in parallel with the vertical rod 112, the B limiter 81 is connected with the vertical rod 112 through a bolt two, and the limiting assembly on the B limiter 81 horizontally extends out of the vertical rod 112. Embodiment 2

[0036] The A limiting system 7 of this embodiment is different from the A limiting system 7 of the first embodiment in that, as shown in Figures 4-5 The A limiting system 7 further includes an A limiting device 73 arranged on the left side of the A limiter 71 (the left side of the A limiter 71 is the side of the A limiter 71 away from the structural beam one 311) Figure 1The A limiting device 73 is arranged on the right side of the A limiting stopper 71 in the left-right direction and is located on the same horizontal line as the A limiting stopper 71, the distance between the A limiting device 73 and the A limiting stopper 71 is 30-50 mm, and the A limiting device 73 is used to forcibly stop the retraction action of the second cloth truss 32 when the A limiting stopper 71 fails to function; the A limiting device 73 is L-shaped, the A limiting device 73 comprises a component one 731 and a component two 732, the component one 731 is transversely fixedly connected to the structural beam one 311, the component two 732 is perpendicular to the component one 731, the component two 732 vertically extends out of the structural beam one 311, and the side surface of the component two 732 close to the A limiting stopper 71 is sequentially attached with a rubber plate one 15 and a rubber plate two 16, the material of the rubber plate two 16 is softer than the material of the rubber plate one 15 in softness, when the second cloth truss 32 continues to shrink, the rubber plate one 15 and the rubber plate two 16 can reduce the shock of the collision of the A block 72, so as to prevent the deformation of the A limiting device structure; one or more reinforcing members 17 are arranged at the connecting position of the component one 731 and the component two 732, and the reinforcing member 17 is used to improve the structural strength of the A limiting device 73, the cross section of the reinforcing member 17 is a right triangle, one right angle side of the reinforcing member 17 is connected to the component one 731, and the other right angle side is connected to the component two 732.

[0037] When the A block 72 collides with the roller of the A limiting stopper 71, the limiting assembly 713 rotates clockwise (the rotation angle is less than 90 degrees), when the limiting function of the A limiting stopper 71 fails, the second cloth truss 32 continues to shrink, the A block 72 collides with the rubber plate two 16, and the retraction action of the second cloth truss 32 is forcibly stopped.

[0038] Similarly, the B limiting system 8 also comprises a B limiting device, the B limiting device is arranged on the right side of the B limiting stopper 81 in the left-right direction Figure 1 and is located on the same horizontal line as the B limiting stopper 81, the distance between the B limiting device and the B limiting stopper 81 is 30-50 mm, and the B limiting device is used to forcibly stop the extension action of the second cloth truss 32 when the B limiting stopper 81 fails to function; the B limiting device is the same in structure as the A limiting device 73, and the connection mode of the B limiting device on the side plate 312 is the same as the connection mode of the support 11 on the side plate 312. Embodiment 3

[0039] As shown in Figures 5-6 the length direction of the switch seat 711 is provided with a connecting plate 12, the connecting plate 12 is connected with the switch seat 711 through a bolt three, the connecting plate 12 is connected with the vertical rod 112 through a first pin shaft 13, the height of the connecting plate 12 is higher than the height of the switch seat 711, the connecting plate 12 partially extends out of the top of the switch seat 711, a circular hole one is formed in the connecting plate 12 (at a position higher than the switch seat 711), a circular hole two is formed in the vertical rod 112, the first pin shaft 13 is arranged from right to leftFigure 6 (In the left and right directions) it passes through the first and second round holes in sequence, connecting the connecting plate 12 and the vertical rod 112. Anti-loosening nuts 14 are respectively installed at both ends of the first pin 13; (e.g.) Figures 7-8 As shown, the switch base 711 can also be directly connected to the vertical rod 112 via the second pin 18. The switch base 711 is located near the top ( Figure 7 The vertical rod 112 has a circular hole 3 (up and down direction), and the vertical rod 112 has a circular hole 4. The second pin 18 runs from right to left ( Figure 8 (In the left and right directions) it passes through the three round holes and the four round holes in sequence to connect the switch base 711 and the vertical rod 112. The two ends of the second pin 18 are respectively provided with anti-loosening nuts 19. Figures 7-8 and Figures 5-6 The connection structure shown is also applicable to limiter B 81.

[0040] A limit device 73 is provided on the left side of the switch base 711. When the limit device 71 malfunctions, the stop block 72 touches the roller of the limit device 71, causing the limit device 71 to rotate clockwise (the rotation angle is less than 90 degrees) via the first pin 13 (or the second pin 18). The second fabric truss 32 continues to retract, and the stop block 72 touches the rubber plate 16 on the limit device 73, forcibly stopping the retraction action of the second fabric truss 32.

[0041] To cope with various working conditions, in any of the aforementioned embodiments, the vertical error between the center of the roller of the A limiter 71 and the center of the A stop 72 is kept within ±1cm, and the horizontal error between the center of the roller of the B limiter 81 and the center of the B stop 82 is kept within ±1cm; in embodiments two and three, the vertical error between the center of the A limiter 73 and the center of the A stop 72 is kept within ±1cm, and the horizontal error between the center of the B limiter 82 and the center of the B stop 82 is kept within ±1cm.

[0042] The above description is merely a detailed illustration of specific embodiments of this utility model, and not a limitation thereof. Various substitutions, modifications, and improvements made by those skilled in the art without departing from the principles and scope of this utility model should be included within the protection scope of this utility model.

Claims

1. A cloth truss limiting system, characterized by, The utility model relates to a kind of limit system for the telescopic mechanism of walking mechanism, including: A limit system (7) and B limit system (8), the A limit system (7) and B limit system (8) are located inside cloth truss (3), the horizontal line of A limit system (7) is set higher than the horizontal line of B limit system (8) setting, A limit system (7) is used to provide limit stroke information for cloth truss (3) contraction, B limit system (8) is used to provide limit stroke information for cloth truss (3) extension, the cloth truss (3) includes first cloth truss (31) and second cloth truss (32), the first cloth truss (31) is connected with walking mechanism (1) by connecting structure (5), the second cloth truss (32) is inserted into first cloth truss (31) by the right end of first cloth truss (31);The A limit system (7) includes A limit stop (71) and A block (72), the B limit system (8) includes B limit stop (81) and B block (82), the A limit stop (71) and B limit stop (81) are set on first cloth truss (31), the A block (72) and B block (82) are set on second cloth truss (32).

2. The fabric truss containment system of claim 1, wherein, The A limit stop (71) is fixedly arranged on the structure beam one (311) of the top of first cloth truss (31) and is close to the left end of structure beam one (311), the A limit stop (71) is vertically perpendicular to the telescopic direction of second cloth truss (32);The A block (72) is arranged on the outer side of second cloth truss (32) and is located at the left end of second cloth truss (32);The A limit stop (71) and A block (72) are located on the same horizontal line;The A limit stop (71) is located at the left side of multifunctional limit stop and is connected with multifunctional limit stop in series.

3. The fabric truss containment system of claim 1, wherein, The B limit stop (81) is fixedly arranged on the inner side of the side plate (312) of first cloth truss (31), the side plate (312) is arranged on the opposite side of the right end of first cloth truss (31), the B limit stop (81) is transversely perpendicular to the telescopic direction of second cloth truss (32);The B block (82) is arranged on the outer side of second cloth truss (32) and is located at the right side of A block (72);The B limit stop (81) and B block (82) are located on the same horizontal line;The B limit stop (81) is located at the right side of another multifunctional limit stop and is connected with another multifunctional limit stop in series.

4. The fabric truss containment system of claim 2, wherein, The A limit stop (71) is fixedly connected with structure beam one (311) through support (11), the A limit stop (71) includes switch seat (711), operating head (712) and limit component (713), the support (11) is L-shaped, the support (11) includes horizontal rod (111) and vertical rod (112), the horizontal rod (111) is fixedly connected horizontally on structure beam one (311), the vertical rod (112) extends structure beam one (311), the switch seat (711) is arranged vertically on vertical rod (112), the limit component (713) extends vertically from vertical rod (112).

5. The fabric truss containment system of claim 4, wherein, The B limit stop (81) and the A limit stop (71) are the same structure, the B limit stop (81) is fixedly connected with the side plate (312) through another support (11), the horizontal rod (111) of the other support (11) is vertically fixedly connected on the side plate (312), the vertical rod (112) of the other support (11) extends away from the side plate (312), the B limit stop (81) is arranged on the top surface of the vertical rod (112) of the other support (11), the B limit stop (81) is arranged in parallel with the vertical rod (112), and the limiting assembly on the B limit stop (81) horizontally extends out of the vertical rod (112).

6. The fabric truss containment system of any of claims 1-5, wherein, The A limiting system (7) further comprises an A limiting device (73) arranged on the left side of the A limit stop (71) and located on the same horizontal line as the A limit stop (71); and the B limiting system (8) further comprises a B limiting device arranged on the right side of the B limit stop (81) and located on the same horizontal line as the B limit stop (81).

7. The fabric truss containment system of claim 6, wherein, The A limiting device (73) comprises a component one (731) and a component two (732), the component one (731) is fixedly connected transversely on the structural beam one (311), the component two (732) is perpendicular to the component one (731), the component two (732) vertically extends out of the structural beam one (311), and the rubber plate one (15) and the rubber plate two (16) are sequentially attached to the side surface close to the A limit stop (71) of the component two (732). One or more reinforcing members (17) parallel to each other are arranged at the connecting position of the component one (731) and the component two (732), the reinforcing member (17) has a cross section in the shape of a right triangle, one of the right angles of the reinforcing member (17) is connected with the component one (731), and the other right angle is connected with the component two (732). The B limiting device has the same structure as the A limiting device (73).

8. The fabric truss containment system of claim 5, wherein, The connecting plate (12) is arranged in the length direction of the switch seat (711), the connecting plate (12) is connected with the switch seat (711) through the third bolt, and the connecting plate (12) is connected with the vertical rod (112) through the first pin shaft (13).

9. The fabric truss containment system of claim 5, wherein, The switch seat (711) is connected with the vertical rod (112) through the second pin shaft (18).

10. The fabric truss containment system of claim 6, wherein, The center of the roller of the A limit stop (71) and the center of the A block (72) are vertically deviated within ±1cm, the center of the roller of the B limit stop (81) and the center of the B block (82) are horizontally deviated within ±1cm, the center of the A limiting device (73) and the center of the A block (72) are vertically deviated within ±1cm, and the center of the B limiting device and the center of the B block (82) are horizontally deviated within ±1cm.

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