CN218783555U - Quick marking device of cable pit support - Google Patents

Abstract

The utility model relates to the technical field of engineering construction, and discloses a cable trench support quick marking device, wherein travelling wheels are arranged at two ends of each beam, the travelling wheels are driven by a remote control motor, and the remote control motor is arranged on the beam; the outer sides of the two symmetrically arranged longitudinal frames are provided with the scribing mechanisms with the same structure; the marking mechanism comprises a fixed support frame fixed on the outer side of the longitudinal frame, the fixed support frame comprises an upper support frame and a lower support frame, a rolling wheel rolling along the wall of the cable trench is installed at the outer end part of the upper support frame, the rolling wheel drives a crank block mechanism installed on the lower surface of the lower support frame through a transmission assembly, the crank block mechanism drives a dotting pen to reciprocate, and the dotting pen is installed on the lower surface of the lower support frame in a sliding mode. The device can realize the quick dotting function of the installation of the cable trench bracket, can be completed by one person and is convenient to use; the principle is simple, and the easy operation is learned, has reduced operation personnel work load in the work progress, and this device is simple to use, and is efficient, conveniently carries, and the popularization degree is high.

Description

Quick marking device of cable pit support

Technical Field

The utility model relates to an engineering construction technical field, in particular to cable pit support mounting tool specifically is a quick marking device of cable pit support.

Background

The cable trench is an underground special channel for laying cables, and needs to be excavated and built according to design requirements, the side wall of the trench is welded with a bearing angle steel frame and is grounded according to requirements, and an underground trench of a cover plate is covered on the side wall of the trench. The cable tunnel and the cable trench are main channels for urban power supply, the cable trench engineering plays an important role in a power supply system and is a carrier for stable operation of cables, the support installation of the cable trench is an important part in the cable trench engineering, and whether the support installation is neat or not determines the cable laying quality.

Need beat the location to mounted position before the present cable pit support mounting, the current location of beating needs operating personnel to bow frequently and measures the height, when meetting light not enough, still need remove lighting apparatus and beat the cooperation, and working method is single, and inefficiency consumes a large amount of manpower and materials. Especially, the cable trench support in the tunnel is dotted and is marked a line, because the light is relatively poor in the tunnel, lead to pointing the location inaccurate, influence later stage support mounting quality, and then influence laying of cable.

Disclosure of Invention

The utility model discloses a solve present cable laying in-process, need beat the location to the ditch wall before the cable pit support mounting, current beat the marking off positioner working method single, inefficiency fixes a position when not enough light inaccurate, influences a series of problems such as follow-up work, provides a quick marking off device of cable pit support.

The utility model discloses a following technical scheme realizes:

a cable trench support rapid marking device comprises a main body mounting support, a plurality of guide rails and a plurality of guide rails, wherein the main body mounting support comprises cross beams, longitudinal beams and longitudinal frames; the outer sides of the two symmetrically arranged longitudinal frames are provided with the scribing mechanisms with the same structure; the marking mechanism comprises a fixed support frame fixed on the outer side of the longitudinal frame, the fixed support frame comprises an upper support frame and a lower support frame, a rolling wheel rolling along the wall of a cable trench is installed at the outer end part of the upper support frame, the rolling wheel drives a slider-crank mechanism installed on the lower surface of the lower support frame through a transmission assembly, the slider-crank mechanism drives a dotting pen to perform linear reciprocating motion, and the dotting pen is installed in a sliding groove in the lower surface of the lower support frame.

When the marking device is used, the remote control motor drives the travelling wheels to rotate, the marking device moves forwards, the rolling wheels roll along the groove wall of the cable trench, the crank block mechanism is driven to move through the transmission assembly, the circular motion is converted into left and right linear reciprocating motion, the marking pen slidably mounted on the lower supporting rod reciprocates, and the marking pen performs marking and marking on the groove wall of the cable trench along with the travelling of the marking device.

When in implementation, the utility model relates to a quick marking device of cable pit support, main part installing support includes two liang of perpendicular crossbeams, two longerons, four vertical framves, the length of main part installing support is fixed, crossbeam and vertical frame all adopt extending structure, be convenient for adjust length, adapt to different cable pit widths, the length control range of crossbeam is 0.8 to 1.2 meters, namely, the width control range of main part installing support is 0.8 to 1.2 meters, the both ends of every crossbeam all are equipped with the walking wheel, the walking wheel overcoat has rubber cover tire, increase friction guarantees stable uniform speed and moves ahead, the walking wheel passes through the remote control motor drive, the motor shaft of remote control motor and walking wheel shaft are on same straight line, the remote control motor is installed on the crossbeam and from electrified source; the outer sides of the two symmetrically arranged longitudinal frames are provided with the scribing mechanisms with the same structure; the marking mechanism comprises a fixed support frame fixed on the outer side of the longitudinal frame, the telescopic structure of the longitudinal beam can be adjusted according to the installation heights of cable trench supports of different specifications and models to determine the marking height, the fixed support frame comprises an upper support frame and a lower support frame, the distance between the upper support frame and the lower support frame can be adjusted according to a transmission component selected to be installed, the outer end part of the upper support frame is provided with a rolling wheel rolling along the wall of the cable trench, the rolling wheel drives a crank block mechanism installed on the lower surface of the lower support frame through the transmission component, the transmission component comprises a transmission main gear installed on the upper support frame and a transmission pinion installed on the lower support frame, the transmission main gear and the transmission pinion are bevel gears, the rolling wheel drives the transmission main gear to rotate through a belt, a belt pulley I is coaxially assembled on the wheel shaft of the rolling wheel, and a belt pulley II is coaxially assembled on the wheel shaft of the transmission main gear, the belt pulley I and the belt pulley II are driven by a belt, as another mode, the combination of the belt pulley and the belt is replaced by the combination of a gear and a chain, a transmission main gear and a transmission pinion are meshed for transmission through a speed regulation bevel gear arranged on the outer side of a longitudinal beam, the transmission pinion penetrates through a lower support frame to be connected with a slider-crank mechanism, the slider-crank mechanism drives a dotting pen to do linear reciprocating motion, the slider-crank mechanism comprises a crank component arranged at the lower end of a wheel shaft of the transmission pinion, one end of the crank component is hinged with a connecting rod, the crank component comprises a crank rod, the middle part of the crank rod is rotatably arranged on the wheel shaft of the transmission pinion, an installation groove is formed in the crank rod, a buffer spring is arranged in the installation groove, one end of the buffer spring is fixed in the installation groove, the other end of the buffer spring is connected with a movable handle, the movable handle is slidably arranged in the installation groove, and the free end of the movable handle extends out of the installation groove to be hinged with the connecting rod, the connecting rod is hinged with a sliding block positioned in the sliding groove, the sliding block is connected with the tail end of the dotting pen, and the dotting pen is installed in the sliding groove in the lower surface of the lower supporting frame in a sliding mode.

When the marking device is used, a proper transmission device is selected according to the distance of marking, the marking device is installed on the fixed support frame, the cross beam is pulled, the width of the marking device is adjusted, the travelling wheels on two sides are placed at the tops of two sides of the cable trench, the rolling wheels on two sides abut against two side walls of the cable trench, the longitudinal beam is pulled to adjust the height of the fixed support frame according to the position needing marking, the height of the dotting pen is further adjusted, the telescopic structure on the longitudinal beam is locked, the cross beam is further slightly pulled outwards, the rolling wheels are tightly attached to the two side walls of the cable trench, the marking device is slightly moved forwards and backwards to enable the rolling wheels to synchronously rotate along with the forward and backward movement of the marking device, the telescopic structure on the cross beam is locked, and the marking device is installed; the initial dotting and marking position is adjusted, the remote control motor is started, the remote control motor drives the traveling wheels to rotate, the marking device starts forwards stably at a constant speed, the rolling wheels roll on the side walls along with the movement of the marking device, the belt pulley I on the driving wheel shaft rotates synchronously, the belt pulley I drives the belt pulley II to rotate through a belt, the belt pulley II drives the coaxial transmission main gear, the transmission main gear drives the speed regulation bevel gear to further drive the transmission pinion to rotate, the transmission pinion drives the crank assembly to transmit, particularly the transmission pinion drives the crank assembly to rotate, the movable handle in the crank assembly drives the sliding block to linearly reciprocate in the sliding chute through the connecting rod in a rotating mode, the movable handle is subjected to the elastic force of the buffer spring and the sliding resistance of the sliding block, the moving track of the movable handle is elliptical, the sliding block linearly reciprocates, the stay time at two end points is longer, and the marking device moves forwards uniformly at the moment, so that a stroke is connected with the dotting point at the tail end of the sliding block to form a uniform line.

Compared with the prior art the utility model discloses following beneficial effect has: the utility model provides a quick marking device of cable pit support, through the collocation combination of devices such as motor combination, pulley, gear train, driving belt, connecting rod, dotting pen, can realize the quick dotting function of cable pit support installation, need not operating personnel frequent bow and measure height, need not many people to remove lighting tool and dotting cooperation, one person can accomplish whole section cable pit support height and dotting work, convenient to use; the device is manufactured by common tools such as channel steel, steel pipes, universal wheels and bolts in site construction, the raw material source is wide, the device can be processed by site materials, 1 worker can complete the processing in half a day, the principle is simple, the operation is easy to learn, the cost is saved, meanwhile, the workload and the number of operators are reduced in the construction process, more field construction operations are performed, particularly in the tunnel, the field range is limited, and the machinery frequently comes and goes, the operators can quickly move and hit points in the cable trench through the device, and the mechanical injury and object hitting risk of the cross construction area are effectively reduced; in addition, the device has high practical value and expansibility, is driven by a remote control motor, the transmission gear drives the crank block assembly and the dotting pen to perform uninterrupted dotting, can be adjusted into a full-track type, a semi-track type, a ship type and the like by changing a motor driving mode, and is suitable for different geological conditions; meanwhile, the reciprocating cycle stroke can be adjusted by changing the connecting size of the gear set and the crank block component; also can promote reciprocating motion's circulation frequency by a wide margin through changing mechanisms such as slider-crank subassembly, reduce the circulation stroke, can generally be used for in the tunnel, in the field the operation of cable pit construction of beating, consider from economy, efficiency, quality aspect, this device simple to use, efficient, can dismantle, conveniently carry, the popularization degree height.

In practical application, the Tianzhuang expressway relates to 84256m total in cable trench support construction in tunnels and fields, wherein the cable trench support construction in the tunnels accounts for 89%, the number is large, the mileage is long, and no effective illumination exists during the construction period in the tunnels. If the construction is carried out according to the prior art, 2 workers need to measure and mark the height of the inner side of the cable trench by using a measuring tape at intervals of 6m, and then draw an ink fountain to bounce the line. Two operators can continuously and uninterruptedly construct for about 2km a day, and the project only needs one labor cost to spend 74856m/2000m multiplied by 2 people multiplied by 260 yuan/day which is nearly equal to 19463 yuan. After the technology is improved, one worker only needs to remotely control and start the device to perform constant-speed dotting without other additional operations. One operator can continuously construct for about 6km in one day. The labor cost of this project is about 74856m/6000m × 1 man × 260 yuan/day ≈ 3243 yuan. By combining the above, the cost can be saved by 19463-3243=16220 yuan, and the cost saving rate is 83.3%.

By adopting the technical improvement, the traditional construction scheme is optimized, and under the conditions of tight construction period, heavy task and insufficient capital, the safety of the construction operation of dotting the cable trench in the tunnel is ensured, the personnel cost is reduced, the construction efficiency is improved, and the profit is increased. The construction quality is approved by owners and the reputation of the project is improved while good economic benefits are created for the project.

At present, the technology is generally applied to high-speed dotting construction of cable trench supports of a Tianzhuang expressway Hu Chuan tunnel group, a Yuanchuan tunnel, a Dai Gu mountain tunnel and the like. The technology saves time and labor, saves cost, can ensure construction safety, and provides a better technical foundation for similar construction.

Drawings

Fig. 1 shows a schematic structural diagram of the present invention.

Fig. 2 shows a schematic view of the transmission of the rolling wheel according to the present invention.

Fig. 3 shows a schematic structural view of the slider-crank mechanism according to the present invention.

In the figure: 1-crossbeam, 2-longitudinal beam, 3-longitudinal frame, 4-chute, 5-walking wheel, 6-remote control motor, 7-fixed support frame, 701-upper support frame, 702-lower support frame, 8-rolling wheel, 9-dotting pen, 10-transmission main gear, 11-transmission pinion, 12-speed regulation bevel gear, 13-belt pulley I, 14-belt pulley II, 15-crank block mechanism, 16-crank component, 1601-crank rod, 1602-mounting groove, 1603-buffer spring, 1604-movable handle, 17-connecting rod, 18-slider and 19-belt.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

A cable trench support quick marking device, as shown in fig. 1: the main body mounting bracket comprises two transverse beams 1, two longitudinal beams 2 and four longitudinal frames 3 which are vertical to each other in pairs, the length of the main body mounting bracket is fixed, and the width and the height of the main body mounting bracket can be adjusted, namely, the transverse beams 1 and the longitudinal frames 3 are both provided with telescopic structures, so that the length can be conveniently adjusted, and the main body mounting bracket is suitable for different cable trench widths; the length adjusting range of the cross beams 1 is 0.8 to 1.2 meters, namely, the width adjusting range of a main body mounting bracket is 1 meter, walking wheels 5 are arranged at two ends of each cross beam 1, rubber cover tires are sleeved outside the walking wheels 5, friction is increased to ensure stable uniform-speed forward movement, the forward direction of the scribing device is taken as the front, the walking wheels 5 are driven by remote control motors 6, the remote control motors 6 are arranged on the cross beams 1 in the front, and the two remote control motors 6 synchronously rotate the scribing device to linearly move; the front travelling wheels 5 are driving wheels, the rear travelling wheels 5 are driven wheels, and as another embodiment, a four-wheel driving mode is adopted, namely, the travelling wheels 5 at the two ends of the two cross beams 1 are both provided with remote control motors 6; the outer sides of two longitudinal frames 3 which are symmetrically arranged are provided with marking mechanisms with the same structure, the marking mechanisms are arranged on a cross beam 1 at the rear, the marking mechanisms comprise fixed support frames 7 which are fixed at the outer sides of the longitudinal frames, the fixed support frames 7 at the left side and the right side are completely consistent and symmetrically arranged, the two sides are marked synchronously, the fixed support frames 7 are arranged below a telescopic structure of the longitudinal frames 3 at the rear and can be adjusted according to the installation heights of cable trench supports with different specifications and models, the marking height is determined, the fixed support frames 7 comprise upper support frames 701 and lower support frames 702, the distance between the upper support frames 701 and the lower support frames 702 can be adjusted according to a transmission component which is selected to be installed, the outer end parts of the upper support frames 701 are provided with rolling wheels 8 rolling along the walls of the cable trenches, rubber tires are arranged outside the rolling wheels 8, the rolling wheels 8 are driven wheels through the trench walls of the cable trenches, the rolling wheels 8 are driven by friction with the trench walls of the cable trenches, the crank slider mechanisms 15 which are installed on the lower surfaces of the lower support frames 702 through the transmission component, the transmission component comprises a transmission main gear 10 installed on the upper support frames 701, a transmission main gear 11 installed on the lower support frames 702, the lower support frames, the transmission component comprises a transmission pinion 10 installed on the main gear 11, the main gear 10, the transmission pinion 11 installed on the lower support frames 2: the rolling wheel 8 drives the transmission main gear 10 to rotate through a belt, a belt pulley I13 is coaxially arranged on a wheel shaft of the rolling wheel 8, a belt pulley II 14 is coaxially arranged on a wheel shaft of the transmission main gear 10, the belt pulley I13 and the belt pulley II 14 are transmitted through a belt 19, the transmission main gear 10 and the transmission pinion 11 are in meshing transmission through a speed regulation bevel gear 12 arranged on the outer side of the longitudinal beam 2, the transmission pinion 11 penetrates through the lower support frame 702 to be connected with a crank block mechanism 15, the crank block mechanism 15 drives the dotting pen 9 to perform linear reciprocating motion, the crank block mechanism 15 comprises a crank component 16 arranged at the lower end of the wheel shaft of the transmission pinion 11, and one end of the crank component 16 is hinged with a connecting rod 17, as shown in FIG. 3: fig. 3 is a bottom view, the crank assembly 16 includes a crank rod 1601, the middle part of the crank rod 1601 is rotatably installed on the wheel axle of the driving pinion 11 (dotted line portion), the crank rod 1601 is opened with an installation groove 1602, a buffer spring 1603 is installed in the installation groove 1602, one end of the buffer spring 1603 is fixed in the installation groove 1602, the other end is connected with a movable handle 1604, the movable handle 1604 is slidably installed in the installation groove 1602, the free end of the movable handle 1604 extends out of the installation groove 1602 to be hinged with a connecting rod 17, the connecting rod 17 is hinged with a slider 18 located in the sliding groove 4, the slider 18 is connected with the tail end of the dotting pen 9, and the dotting pen 9 is slidably installed in the sliding groove 4 on the lower surface of the lower support frame 702.

When the marking device is used, a proper transmission device is selected according to the distance of marking, the marking device is installed on the fixed support frame 7, the cross beam 1 is pulled, the width of the marking device is adjusted, the travelling wheels 5 on two sides are placed at the tops of two sides of a cable trench, the rolling wheels 8 on two sides abut against two side walls of the cable trench, the longitudinal beam 2 is pulled to adjust the height of the fixed support frame 7 according to the position needing marking, the height of the dotting pen 9 is further adjusted, the telescopic structure on the longitudinal beam 2 is locked, the cross beam 1 is further slightly pulled outwards, the rolling wheels 8 are tightly attached to the two side walls of the cable trench, the marking device is slightly moved forwards and backwards to synchronously rotate along with the forward and backward movement of the marking device, the telescopic structure on the cross beam 1 is locked, and the marking device is installed; the initial dotting and scribing position is adjusted, the remote control motor 6 is started, the remote control motor 6 drives the traveling wheels 5 to rotate, the scribing device starts forwards stably at a constant speed, the rolling wheels 8 roll on the side walls along with the movement of the scribing device, the belt pulleys I13 on the driving wheel shafts synchronously rotate, the belt pulleys I13 drive the belt pulleys II 14 to rotate through the belt 19, the belt pulleys II 14 drive the coaxial transmission main gear 10, the transmission main gear 10 drives the speed regulation bevel gear 12 and further drives the transmission pinion 11 to rotate, the transmission pinion 11 drives the crank assembly 16 to transmit, particularly, the transmission pinion 11 drives the crank assembly 16 to rotate, the movable handle 1604 in the crank assembly 16 rotates and drives the sliding block 18 to reciprocate left and right through the connecting rod 17, the movable handle 1604 receives the elastic force of the buffer spring 1603 and the sliding resistance of the sliding block 18, the motion trail of the free end of the movable handle 1604 is elliptical, the time of the sliding block 18 is longer at two end points in the reciprocating motion, and at the moment, the dotting pen 9 connected to the tail end of the sliding block 18 draws a uniform short line in the uniform forward motion of the scribing device.

The scope of the invention is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (6)

1. The utility model provides a quick marking device of cable pit support, includes the main part installing support, the main part installing support includes two crossbeams (1), two longerons (2), four indulges frame (3), its characterized in that: walking wheels (5) are arranged at two ends of each cross beam (1), the walking wheels (5) are driven by a remote control motor (6), and the remote control motor (6) is arranged on the cross beams (1); the outer sides of the two symmetrically arranged longitudinal frames (3) are provided with marking mechanisms with the same structure; the marking mechanism is including being fixed in fixed bolster (7) in the vertical frame outside, fixed bolster (7) include upper bracket (701), bottom suspension strut (702), rolling wheel (8) along the rolling of cable pit wall are installed to the outer tip of upper bracket (701), rolling wheel (8) are installed at slider-crank mechanism (15) of bottom suspension strut (702) lower surface through the drive assembly drive, slider-crank mechanism (15) drive and are made a dotting pen (9) and carry out sharp reciprocating motion, the spout (4) of bottom suspension strut (702) lower surface are installed to dotting pen (9).

2. The quick marking device of cable pit support of claim 1, characterized in that: the transmission assembly comprises a transmission main gear (10) arranged on an upper support frame (701) and a transmission pinion (11) arranged on a lower support frame (702), the rolling wheel (8) drives the transmission main gear (10) to rotate through a belt, and the transmission main gear (10) and the transmission pinion (11) are in meshing transmission through a speed regulation bevel gear (12) arranged on the outer side of the longitudinal beam (2).

3. The cable trench support quick marking device of claim 2, wherein: a pulley I (13) is coaxially assembled on a wheel shaft of the rolling wheel (8), a pulley II is coaxially assembled on a wheel shaft of the transmission main gear (10), and the pulley I (13) and the pulley II (14) are transmitted through a belt (19).

4. The cable trench support quick marking device of claim 2, wherein: the crank sliding block mechanism (15) comprises a crank assembly (16) arranged at the lower end of a wheel shaft of the transmission pinion (11), one end of the crank assembly (16) is hinged with a connecting rod (17), the connecting rod (17) is hinged with a sliding block (18) positioned in the sliding groove, and the sliding block (18) is connected with the tail end of the dotting pen (9).

5. The cable trench support quick marking device of claim 4, wherein: the crank assembly (16) comprises a crank rod (1601), wherein an installation groove (1602) is formed in the crank rod (1601), a buffer spring (1603) is installed in the installation groove (1602), one end of the buffer spring (1603) is fixed in the installation groove (1602), the other end of the buffer spring (1603) is connected with a movable handle (1604), the movable handle (1604) is slidably installed in the installation groove (1602), and the free end of the movable handle (1604) extends out of the installation groove (1602) and is hinged to a connecting rod (17).

6. The quick marking device of cable pit support of claim 1, characterized in that: and the transverse beam (1) and the longitudinal frame (3) both adopt telescopic structures.

Images