Universal special clamp for assembling type base layer weaving block pavement

Abstract

The universal special clamp comprises a pin cylinder, a cylinder, supporting cross beams and a pair of clamping plates, wherein the cylinder is connected above the pin cylinder in a sleeving manner; the supporting cross beams are oppositely arranged on two sides of the pin cylinder and can be attached to the top surface of an assembled base block; the pair of clamping plates is arranged between the two supporting cross beams; the two clamping plates are symmetrically arranged relative to the pin cylinder and comprise rotating plates and clamping plate bodies; the outer end of the rotating plate is rotationally connected with the supporting cross beam, and the inner end is fixedly connected with the connecting rope; the cylinder is fixedly connected with a middle rope located between the two connecting ropes, and the top end of the middle rope and the top ends of the two connecting ropes are converged to one position and then are hoisted by external equipment; the height adjusting mechanism locks the cylinder and the pin cylinder, so that the bottom end of the middle rope lifts the supporting cross beam, the two connecting ropes are loosened, and the two clamping plate main bodies are in an unfolded state; when the cylinder and the pin cylinder are unlocked, the two connecting ropes lift the supporting cross beam, and the inner ends of the rotating plates rotate upwards and outwards to drive the clamping plate bodies to clamp the clamping grooves. The clamping device has the advantages of simple structure and reliable clamping.

Description

Technical Field

[0001] The utility model relates to a special clamp for an assembled base of an asphalt pavement, in particular to a universal special clamp for paving assembled base blocks. Background Art

[0002] In recent years, the prefabricated base structure of asphalt pavement has been widely used in municipal road projects. The base block is a square cement concrete prefabricated block with three-dimensional embedded characteristics that constitutes the prefabricated base. The prefabricated base block is a C30 plain concrete structure as a whole, and its appearance features four sides. The four sides on the circumference are arranged alternately with outward-inclined slopes and inward-inclined slopes. That is, a pair of opposite sides are arranged relatively symmetrically in a V shape, and the other pair of sides are arranged relatively symmetrically in an inverted V shape. And each side is provided with sub-structures such as clamping grooves and transverse grooves. In view of the special and complex appearance and structural characteristics of the base block, a special clamp is needed to achieve rapid clamping, so as to overcome the technical problem that the traditional crane cannot be used to lift and transport the block during construction and paving. Utility Model Content

[0003] The utility model aims to provide a special clamp with a simple structure which can clamp and carry assembled base braided blocks.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A universal special clamp for paving assembled base blocks, used for clamping the clamping groove on the assembled base block, comprising a pin barrel, a cylinder coaxially movably sleeved on the pin barrel, two fixed and relatively arranged support beams on both sides of the pin barrel, a pair of clamping plates arranged between the two support beams, a height adjustment mechanism, and two symmetrically distributed connecting ropes;

[0006] The two clamping plates are symmetrically arranged about the pin barrel, and the clamping plates include a rotating plate arranged along the length of the supporting crossbeam and a clamping plate body fixed to the outer end of the rotating plate away from the pin barrel;

[0007] The outer end of the rotating plate is rotatably connected to the supporting crossbeam, and the inner end of the rotating plate close to the pin barrel is fixedly connected to the end of the connecting rope;

[0008] The cylinder is fixedly connected to the end of the middle rope between the two connecting ropes, and the top of the middle rope and the tops of the two connecting ropes are joined to one point and then hoisted by external equipment;

[0009] The height adjustment mechanism locks the cylinder and the pin barrel so that the bottom end of the middle rope lifts the supporting beam, and at the same time the two connecting ropes are relaxed and the two clamping plate bodies are in an unfolded state; the cylinder and the pin barrel are unlocked so that the two connecting ropes lift the supporting beam, and the inner end of the rotating plate rotates upward and outward, driving the clamping plate body to rotate downward and inward to clamp the clamping groove.

[0010] Furthermore, the height adjustment mechanism includes a tray fixed on the bottom surface of the pin cylinder, two oppositely arranged stoppers fixed on the tray, and two oppositely arranged cards fixed on the cylinder;

[0011] The bottom end of the cylinder is movably sleeved in the pin cylinder;

[0012] The tray is fixed on two supporting beams, the block foot is in a shape of a letter "U" as a whole, and the pin barrel is located between the two block feet;

[0013] When the card abuts against the bottom of the blocking foot, the blocking foot and the card move synchronously, and the two connecting ropes are relaxed; when the two cards rotate to the interval between the two blocking feet, the card can move upward relative to the blocking foot.

[0014] Furthermore, a turntable handle is fixed on the pin barrel.

[0015] Furthermore, it also includes a positioning mechanism, wherein the positioning mechanism includes a limiting rod located outside the supporting beam, and both ends of the limiting rod are respectively fixed to any one of the supporting beams through supporting rods;

[0016] The limiting rod is arranged in parallel with the supporting crossbeam so as to be fitted onto the side surface of the assembled base block.

[0017] Furthermore, the positioning mechanism also includes an upper support rod and two oblique rods fixed above the limiting rod, two ends of the upper support rod are fixed to the two oblique rods, and the oblique rods are fixed to the supporting crossbeam;

[0018] Both ends of the limit rod are vertically fixedly connected with upright connecting rods, and the connecting rods are fixed to the oblique rods;

[0019] The support rod is fixedly connected to the connecting rod and the supporting crossbeam; the limit rod and the upper support rod are fixed by connecting the connecting rod.

[0020] Furthermore, an uneven pattern layer is provided on the inner side of the splint body.

[0021] In the above technical solution, the utility model has the following beneficial effects:

[0022] 1. The special fixture has a reasonable structure and is easy to operate. It can realize quick clamping during the paving process of the base block, saving time during the paving process and improving work efficiency. The main power of the lifting is mechanical equipment, and the construction personnel can operate the design with overall labor-saving, which can extend the construction operation time.

[0023] 2. The special clamp can be rotated at will by turning the turntable handle. The construction personnel can operate the turntable handle in any direction for hoisting and paving. It is flexible, controllable and easy to operate.

[0024] 3. The overall material is metal structure, which is strong and durable, the tool structure is simple and easy to produce, and the cost is low, which is easy to promote industrialization. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0026] Figure 1 It is an axonometric drawing of the fabricated base block;

[0027] Figure 2 This is an axonometric drawing of the universal special clamp disclosed in the utility model;

[0028] Figure 3 It is a schematic diagram of the top view of the universal special clamp disclosed in the utility model;

[0029] Figure 4 This is a schematic diagram of the clamping operation of the universal special clamp disclosed in the utility model;

[0030] Figure 5 The utility model is a schematic diagram of the assembly structure of the pin barrel and the cylinder.

[0031] Reference numerals:

[0032] 1-assembled road base block, 12-side, 13-clamping groove; 21-upper support rod, 22-limit rod, 23-support rod, 24-connecting rod, 25-support beam, 26-rotating shaft, 27-plywood, 271-turn plate, 272-plywood body, 28-lifting ring, 29-cylinder, 210-pin cylinder, 211-card, 212-connecting rope, 213-foot block, 30-turntable handle. DETAILED DESCRIPTION

[0033] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0034] It should be noted that the terms "above", "one end", "upper", etc. used in this article indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description. Similar expressions are only for the purpose of illustration, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention; in addition, the terms "one part", "two parts", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0035] like Figure 1-5 The universal special clamp for paving a prefabricated base block is used to clamp a pair of clamping grooves 13 that are inwardly contracted from top to bottom on the upper edge of the prefabricated base block 1. It includes a pin barrel 210, a cylinder 29 coaxially sleeved on the top of the pin barrel 210, two supporting beams 25 arranged on both sides of the pin barrel 2, a pair of clamping plates 27 arranged between the two supporting beams 25, a height adjustment mechanism, and two symmetrically distributed connecting ropes 210.

[0036] Among them, Figure 1 As shown, the assembled base block 1 is a cubic structure made of plain concrete, and the four side surfaces 12 are arranged alternately as trapezoidal slopes inclined outward and inward from top to bottom, and the slopes are provided with transverse grooves and clamping grooves 13. A pair of V-shaped clamping grooves 13 opened on the inclined trapezoidal slopes can be used as clamping surfaces.

[0037] The universal clamp 2 of this embodiment is a metal structure, and the main frame is formed by two supporting beams 25 arranged in the front-to-back direction and arranged parallel and fixedly arranged with intervals in the left-right direction. The two supporting beams 25 are preferably U-shaped structures with openings upward, which can reduce weight.

[0038] The pin cylinder 210 is fixed at the middle position of the two supporting beams 25 , and the cylinder 29 is sleeved on the top of the pin cylinder 210 . The cylinder 29 has at least vertical displacement freedom relative to the pin cylinder 210 .

[0039] Among them, two clamps 27 are arranged symmetrically about the pin barrel 210, each clamp 27 is arranged in the interval between two supporting beams 25, and the length direction of the clamps 27 is arranged front and back. The clamp 27 includes a rotating plate 271 arranged along the length of the supporting beam 25 and a clamp body 272 fixed to the rotating plate 271 and away from the outer end of the pin barrel 2. The rotating plate 271 and the clamp body 272 are vertically integrated, and the clamp body 272 is a pair of parallel vertical flat plates. The width of the clamp body 272 is preferably matched with the width of the clamping groove 13. The outer end of the rotating plate 271 is rotatably connected to the supporting beam 25, and the inner end of the rotating plate 271 close to the pin barrel 2 is fixedly connected to the end of the connecting rope 212 through a hanging ring 28. The clamps 27 are symmetrically arranged at both ends of the supporting beam 25 through a rotating shaft 26. The corresponding lengths of the two connecting ropes 212 and the supporting beam 25 are distributed in an isosceles triangle as a whole.

[0040] Preferably, the clamp body 272 is provided with uneven convex patterns to increase the roughness of the clamp, so that the inner side of the clamp body 272 is provided with an uneven pattern layer.

[0041] The cylinder 29 is fixedly connected to the end of the middle rope between the two connecting ropes 212, and the top of the middle rope and the tops of the two connecting ropes 212 are joined to one point and then hoisted by external equipment. The middle rope is located on the top surface of the cylinder 29, and the two connecting ropes 212 are located on the front and rear sides of the middle rope.

[0042] When the two connecting ropes 212 are in a relaxed state, the height adjustment mechanism locks the cylinder 29 and the pin barrel 210, so that the bottom end of the middle rope lifts the supporting beam 25, and the two clamping plate bodies 272 are in an unfolded state, and the rotating plate 271 is preferably placed horizontally; by unlocking the cylinder 29 and the pin barrel 210, the lifting relationship between the middle rope and the pin barrel is disconnected, and the two connecting ropes 212 lift the supporting beam 25 instead, and the inner end of the rotating plate 271 rotates upward and outward to drive the clamping plate body 272 to rotate downward and inward to clamp the clamping groove 13. The two clamping plate bodies 272 are arranged relative to each other in an inverted eight shape and contact the bottom surface of the clamping groove 13, so as to clamp the assembled base base block 1.

[0043] Preferably, the height adjustment mechanism includes a tray fixed on the bottom surface of the pin barrel 210, a tray welded in the middle of the support beam 25, a square base welded to the support beam below the tray, and two stoppers and a pin barrel are provided on the tray. Two oppositely arranged stoppers 213 are fixed on the tray. The stopper 213 is in a 7-shape as a whole, the bottom end of the stopper 213 is fixed on the tray, and the other end is a bent shape that first moves upward and then moves inward, but does not contact the outer surface of the pin barrel 210, and the pin barrel 210 is located between the two stoppers 213.

[0044] Two cards 211 are arranged opposite to each other on the outer surface of the cylinder 29, that is, they are distributed in the radial direction of the cylinder 29. The bottom end of the cylinder 29 is movably sleeved on the outside of the pin barrel 210. The length of the card 211 is greater than the distance between the outer surface of the pin barrel 210 and the stopper 213.

[0045] The cylinder 29 can be rotated manually. When the card 211 is located below the foot block 213, the card 211 is lifted upward by the middle rope, and the two connecting ropes 212 are in a relaxed state at this time. The foot block 213 presses the card 211, so that the foot block 213 and the card 211 are in contact and move synchronously. When the two cards 211 rotate away from the foot block 213 to the circumferential interval of the two foot blocks 213, the card 211 can move upward relative to the foot block 213, and the two unlock the vertical binding. The top of the cylinder 29 moves upward, which is equivalent to increasing the total length of the pin barrel 210 and the middle rope. At this time, the middle rope is relaxed and is mainly lifted by the connecting rope 212.

[0046] In order to facilitate the rotation of the cylinder 29, it is more preferred that a turntable handle is fixed on the cylinder 29. A turntable handle 30 is designed between the top of the cylinder 29 and the card 211. The turntable handle can be circular and surround the cylinder 29. The turntable handle is a disc-shaped structure similar to a steering wheel, with a cylinder in the middle and a pin cylinder, and a ring is provided on the cylinder to connect with the middle rope.

[0047] In actual work, general power equipment such as excavators lift up the universal clamp through a hook. At this time, the worker turns the turntable handle to overlap the card and the foot to form a force-bearing whole, the middle rope on the turntable is tightened, the splint connecting rope is loosened, the universal clamp is in an open clamp state, and the distance between the splint bodies is greater than the spacing of the clamping grooves. The construction personnel move the universal clamp to accurately embed the splint body 272 into the clamping groove 13. At the same time, turn the turntable handle to separate the card 211 from the foot. The splints on both sides of the tightening connecting rope are retracted inward, and the splint body 272 is in a tightened state. The base block is transported to a predetermined position by the excavator and the universal clamp. At this time, the placement angle of the base block can be adjusted by turning the universal clamp, and the splint body 272 can be retracted by adjusting the turntable handle. The weight of the turntable 271 of the splint 27 is greater than the splint body 272 and can be automatically reset by gravity. The height of the turntable handle matches the arm height of the construction personnel and maintains a certain safety distance from the assembled base base block 1.

[0048] Preferably, a positioning mechanism is also included, which includes a limit rod 22 located on the outside of the supporting beam 25, and the two ends of the limit rod 22 are respectively fixed to any one of the supporting beams 25 through support rods 23; the limit rod 22 is arranged in parallel with the supporting beam 25 to fit on the side 12 of the assembled base block 1. The side of the supporting beam 25 is connected to the limit rod 22 through the support rod 23. The limit rod fits exactly with the side 12 to prevent the clamp from shifting. In this way, the universal special clamp surrounds the three adjacent sides of the assembled base block 1. Preferably, the limit rod fits with the inclined surface on the top edge of the side 12, and the diameter of the limit rod does not exceed the vertical distance of the inclined surface of the top surface of the block.

[0049] Preferably, the positioning mechanism also includes an upper support rod 21 fixed above the limit rod 22. In order to manually move the universal special clamp, an upper support rod 21 is designed above the limit rod 22, and the upper support rod 21 is parallel to the limit rod 22. Both ends of the upper support rod 21 are fixed with oblique rods that are inclined downward to the supporting beam. The positioning mechanism also includes an upper support rod 21 fixed above the limit rod 22 and two oblique rods, and both ends of the upper support rod 21 are fixed to the two oblique rods, and the oblique rods are fixed to the supporting beam 25; both ends of the limit rod 22 are vertically fixedly connected with an upright connecting rod 24, and the connecting rod 24 is fixed to the oblique rod; the support rod 23 is fixedly connected to the connecting rod 24 and the supporting beam 25; the limit rod 22 and the upper support rod 21 are fixed by connecting the connecting rod 24.

[0050] Preferably, the universal special clamp is made of stainless steel or light alloy material. The rods of the positioning structure are all hollow structures to reduce the overall weight of the clamp. The height adjustment mechanism can be a mortise and tenon structure. The connecting rope can be a chain structure to improve the overall durability. The upper support rod, positioning rod, connecting rod, support rod, cylinder, and pin barrel can be cylindrical or prismatic.

[0051] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A universal special clamp for paving a prefabricated base block, used for clamping a clamping groove (13) on a prefabricated base block (1), characterized in that: It comprises a pin barrel (210), a cylinder (29) coaxially movably sleeved on the pin barrel (210), two support beams (25) fixed and arranged oppositely on both sides of the pin barrel (210), a pair of clamping plates (27) arranged between the two support beams (25), a height adjustment mechanism, and two symmetrically distributed connection ropes (212); The two clamping plates (27) are symmetrically arranged with respect to the pin barrel (210), and the clamping plates (27) include a rotating plate (271) arranged along the length of the supporting cross beam (25) and a clamping plate body (272) fixed to the outer end of the rotating plate (271) facing away from the pin barrel (210); The outer end of the rotating plate (271) is rotatably connected to the supporting crossbeam (25), and the inner end of the rotating plate (271) close to the pin barrel (210) is fixedly connected to the end of the connecting rope (212); The cylinder (29) is fixedly connected to the end of the middle rope between the two connecting ropes (212), and the top end of the middle rope and the top ends of the two connecting ropes (212) are joined to one point and then hoisted by external equipment; The height adjustment mechanism locks the cylinder (29) and the pin cylinder (210) so that the bottom end of the middle rope lifts the supporting beam (25), and at the same time the two connecting ropes (212) are relaxed, and the two clamping plate bodies (272) are in an unfolded state; by unlocking the cylinder (29) and the pin cylinder (210), the two connecting ropes (212) lift the supporting beam (25), and the inner end of the rotating plate (271) rotates upward and outward to drive the clamping plate body (272) to rotate downward and inward to clamp the clamping groove (13).

2. A universal special clamp for assembled base block paving according to claim 1, characterized in that: The height adjustment mechanism comprises a tray fixed on the bottom surface of the pin cylinder (210), two oppositely arranged blocking feet (213) fixed on the tray, and two oppositely arranged cards (211) fixed on the cylinder (29); The bottom end of the cylinder (29) is movably sleeved on the outside of the pin cylinder (210); The tray is fixed on two supporting beams (25), the blocking foot (213) is in a 7-shape as a whole, and the pin barrel (210) is located between the two blocking feet (213); When the card (211) abuts against the bottom of the blocking foot (213), the blocking foot (213) and the card (211) move synchronously, and the two connecting ropes (212) are relaxed at the same time; when the two cards (211) rotate to the interval between the two blocking feet (213), the card (211) can move upward relative to the blocking foot (213).

3. A universal special clamp for assembled base block paving according to claim 2, characterized in that: A turntable handle (30) is fixed on the cylinder (29).

4. The universal special clamp for prefabricated base block paving according to claim 1 is characterized in that: It also includes a positioning mechanism, the positioning mechanism including a limiting rod (22) located outside the supporting crossbeam (25), and the upper parts of both ends of the limiting rod (22) are fixed to any one of the supporting crossbeams (25) through supporting rods (23); The limiting rod (22) is arranged in parallel with the supporting crossbeam (25) so as to be attached to the side surface (12) of the assembled base block (1).

5. A universal special clamp for assembled base block paving according to claim 4, characterized in that: The positioning mechanism further comprises an upper support rod (21) and two oblique rods fixed above the limiting rod (22), two ends of the upper support rod (21) are fixed to the two oblique rods, and the oblique rods are fixed to the supporting crossbeam (25); Both ends of the limit rod (22) are vertically fixedly connected with upright connecting rods (24), and the connecting rods (24) are fixed to the oblique rods; The support rod (23) is fixedly connected to the connecting rod (24) and the supporting crossbeam (25); the limiting rod (22) and the upper support rod (21) are fixed by connecting the connecting rod (24).

6. The universal special clamp for prefabricated base block paving according to claim 1 is characterized in that: The inner side of the clamping plate body (272) is provided with an uneven pattern layer.

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