CN209344647U - A construction device for concealed cable sheath protection pipe - Google Patents

Abstract

The utility model relates to a construction device for a protective pipe of a concealed cable sleeve, which comprises a traction trolley provided with a detachable protective pipe clamp on the vehicle frame, a support is provided on one side of the outer wall of the base of the protective pipe clamp, and a rotating shaft is arranged on the support. The shaft is fixedly connected with one end of the fixing belt, and the other end of the fixing belt is detachably connected with the buckle provided on the other side of the outer wall of the base. A first ratchet is coaxially arranged on the rotating shaft, and a ratchet mechanism formed with the first ratchet is arranged on the outer wall of the base. The bottom of the frame of the towing trolley is provided with a wheel, the wheel shaft is provided with a driven gear, the frame above the wheel shaft is provided with a transmission shaft, and the transmission shaft is coaxially provided with a second ratchet and a transmission gear And the transmission shaft is also rotatably provided with a transmission handle, and the transmission handle is provided with a second ratchet to form the second pawl of the ratchet mechanism. The utility model adopts a mechanized device to make the protective pipe move on the cable and quickly reach the position where it needs to be socketed, and the utility model is small in size and has low requirements on the construction environment.

Description

A construction device for concealed cable sheath protection pipe

technical field

The utility model belongs to the field of cable laying construction equipment, in particular to a construction device for concealed cable sheath protection pipes.

Background technique

Power cables are widely used due to the hidden laying construction, which occupy less ground space, are less affected by climate conditions and the environment, run stably, have less maintenance workload, and are highly safe and reliable. At the same time, the protection of power cables is also the focus of cable construction. In the prior art, protective tubes for cable jackets are often used, especially for cables that are often subjected to external extrusion (such as corresponding to roads), which can effectively reduce their mechanical damage. , thereby reducing accidents and economic losses caused by maintenance and cable damage.

In the prior art, manual work is often used to put cables through protective tubes, which is not only labor-intensive, but also inefficient, especially in the construction of long-distance high-voltage direct burial cables, where each cable is hundreds of meters long and requires manual work. Undoubtedly, the construction cost has been greatly increased and the construction period has been extended.

Utility model content

The purpose of this utility model is to provide a construction device for concealed cable sheath protective tube. The utility model uses a mechanized device to make the protective tube move on the cable and quickly reach the position where it needs to be socketed. Low.

For solving the problems of the technologies described above, the technical scheme that the utility model adopts is as follows:

A construction device for concealed application of protective pipes for cable sheaths. The device includes a traction trolley, and a detachable protective pipe clamp is provided on the top of the frame of the traction trolley. The cross-section of the top surface is a V-shaped top seat. There is a bracket on one side of the outer wall of the base, and a rotating shaft is arranged on the bracket. It is detachably connected, and the first ratchet is coaxially arranged on the rotating shaft, and the first pawl which forms a ratchet mechanism with the first ratchet is arranged on the outer wall of the base; A transmission shaft is arranged on the vehicle frame above the wheel shaft, a second ratchet and a transmission gear are coaxially arranged on the transmission shaft, and a transmission handle is also rotated on the transmission shaft, and a second ratchet is arranged on the transmission handle to form a ratchet mechanism. Second pawl.

Preferably, the traction trolley is also provided with a brake mechanism, the brake mechanism includes a brake band, a crank and a brake handle provided with a pull wire, one end of the brake band is connected to the transmission handle, and the other end goes around the transmission shaft After that, it is connected with one end of the crank, the middle section of the crank is hinged with the transmission handle pin, the other end of the crank is connected with the backguy, the middle section of the brake handle is hinged with the transmission handle pin, and the end away from the backguy is a free end.

Preferably, the construction device further includes a load-bearing trolley provided with rollers, and the top of the frame of the load-bearing trolley is also provided with the protective pipe clamp.

Preferably, the top of the frame of the load-bearing trolley and the traction trolley is at the same level.

Preferably, the middle section of the bottom end of the transmission handle cooperates with the transmission shaft through bearings, and the transmission handles on both sides of the bearings are provided with second pawls forming a ratchet mechanism with the second ratchet.

Preferably, one end of the traction trolley frame facing the moving direction of the trolley is provided with a pipe-entry guide pulley block, and the pipe-entry guide pulley set includes a vertical bracket connected to the traction trolley frame, and two fixed pulleys are arranged on the vertical support, and the upper The fixed pulley is detachably connected with the vertical support, and the wheel groove of the fixed pulley is rolled and matched with the cable. Specifically, the detachable connection method is that the pulley shaft of the fixed pulley is limited by a pin after passing through the vertical bracket. detached from the vertical bracket.

Preferably, one end of the traction trolley frame facing the moving direction of the trolley is provided with a pulling and guiding mechanism, the pulling and guiding mechanism includes a fixed pulley connected with the vehicle frame, and the two ends of the wheel axle of the fixed pulley are vertically connected with limit rods.

The working process of the present utility model is as follows:

Firstly, connect the protective tube with the protective tube clamp on the traction trolley and the frame of the load-bearing trolley: separate the fixing belt from the buckle, then make the axis of the protective tube parallel to the length direction of the fixed frame, and place the protective tube on the side of the fixed frame. On the top seat, because the cross section of the top seat is V-shaped, it can adapt to the placement of different types of protective tubes, and then the end of the fixing belt is bypassed by the protective tube and connected with the buckle, while rotating the shaft, the rotation of the shaft will wind the fixing belt The fixing belt is tightened to a certain extent and the protective tube is pressed tightly. At the same time, the rotation of the rotating shaft will drive the first ratchet to rotate. Instant tautness of the strap.

Then lift one end of the laid cable and pass through the gap between the two limit rods of the pulling guide mechanism and the two fixed pulleys of the pipe guide pulley block in sequence, and then enter the protective pipe, then press down the transmission handle and reset it, the transmission handle The bearing rotates around the transmission shaft, and the second ratchet is used to push the second ratchet to rotate in the circumferential direction. The second ratchet drives the transmission shaft and the transmission gear on the transmission shaft to perform continuous circumferential rotation. The driven gear meshing with the transmission gear The gear drives the wheel shaft and the wheel to rotate, realizing the movement of the traction trolley, and then realizing the movement of the protective tube and the load-bearing trolley, while the cable has relatively no displacement along its length, so the protective tube will gradually move to the target position of the cable, and then rotate and brake At the free end of the handle, the brake handle rotates around the pin shaft and tightens the pull rope. The pull rope drives the crank to rotate and makes the brake band tighten and contact the transmission shaft, so that the transmission shaft brakes under the action of friction, thereby realizing the traction of the trolley. Braking; then separate the buckle and fixing belt, separate the detachable fixed pulley on the vertical support, separate the cable, protective tube and trolley to complete the work.

The traction guide mechanism can reduce the friction force when the cable moves up through its fixed pulley, and at the same time, the limit rod can be used to prevent the cable from running off the fixed pulley; On the one hand, adjust the horizontal position of the cable to the same height as the protective tube to prevent friction between the tube wall at the end of the protective tube and the cable sheath.

It should be noted that there can be multiple load-bearing trolleys in the utility model, and there can be multiple corresponding protective pipes. It is only necessary to connect multiple load-bearing trolleys and traction trolleys through traction ropes to realize traction. If the distance between the pipes on the load-bearing trolley is well controlled and the braking of the load-bearing trolley is well controlled, the operation of setting multiple protective tubes on the cable at one time can be realized, saving time and effort.

At the same time, it needs to be explained that the reason why the utility model adopts the manual control transmission handle is that the cable is laid in a hidden tunnel, the tunnel width is limited, and the soil is soft and dusty. Very suitable, on the one hand, because the motor is large in size, and on the other hand, the moving speed of the tow car should not be too fast, otherwise, if the protective tube misses the target position, it needs to be reversed, the operation is more cumbersome, and the dusty environment has a great impact on the life of the motor . But the utility model can adopt electric cylinder namely electric push rod to cooperate rocking handle to drive transmission handle.

Compared with the prior art, the utility model has the following advantages: the utility model adopts a mechanized device to make the protective tube move on the cable and quickly reach the position where it needs to be socketed, and the utility model is small in size and has low requirements on the construction environment.

Description of drawings

Fig. 1 is the structural representation of the construction device for concealed cable sheath protection pipe in the specific embodiment;

Fig. 2 is a schematic cross-sectional structure diagram of a protective pipe clamp in a specific embodiment;

Fig. 3 is the structural representation of transmission shaft in the specific embodiment;

Fig. 4 is a schematic rear view of the transmission shaft shown in Fig. 3;

Note: The arrow in Figure 4 indicates the downward direction of the transmission handle.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

As shown in Figures 1-4, a construction device for concealed cable sheath protection pipes, the device includes a traction trolley 1 and a load-bearing trolley 2 with rollers, the frames of the traction trolley 1 and load-bearing trolley 2 are at the same level And the top is provided with a detachable protective tube clamp 5, the protective tube clamp 5 includes a concave-shaped base 51 and a V-shaped top seat 52 integrally arranged on the top surface of the base 51, one side of the outer wall of the base 51 A bracket is provided, and a rotating shaft 53 is arranged on the bracket. The shaft rod of the rotating shaft 53 is fixedly connected with one end of the fixing band 54, and the other end of the fixing band 54 is detachably connected with the buckle 55 provided on the other side of the outer wall of the base 51. The rotating shaft 53 is also connected with The shaft is provided with a first ratchet 531, and the outer wall of the base 51 is provided with a first pawl 532 forming a ratchet mechanism with the first ratchet 531;

The bottom of the frame of the traction trolley 1 is provided with a wheel 18, the wheel shaft 12 of the wheel 18 is provided with a driven gear 121, the frame above the wheel shaft 12 is provided with a transmission shaft 13, and the transmission shaft 13 is coaxially provided with a second ratchet 16 And transmission gear 17, the middle section of the bottom end of transmission handle 14 cooperates with transmission shaft 13 through bearing, and the transmission handle 14 on bearing both sides is all provided with the second ratchet 141 that forms ratchet mechanism with second ratchet 16.

The traction trolley 1 is also provided with a brake mechanism, the brake mechanism includes a brake band 15, a crank 151 and a brake handle (not shown) provided with a pull wire 152, one end of the brake band 15 is connected to the transmission The handle 14 is connected, and the other end is connected to one end of the crank 151 after bypassing the transmission shaft 13, the middle section of the crank 151 is hinged with the pin shaft of the transmission handle 14, the other end of the crank 151 is connected with the pull wire 152, the middle section of the brake handle is hinged with the pin shaft of the transmission handle 14, The end away from the pull wire 152 is a free end.

One end of the traction trolley 1 frame towards the moving direction of the trolley is provided with a pipe guide pulley block, which includes a vertical support 6 connected with the traction trolley frame, and the vertical support 6 is provided with two fixed pulleys 8, and is located above The fixed pulley of the fixed pulley is detachably connected with the vertical support, and the wheel groove of the fixed pulley 8 is rollingly matched with the cable 4. One end of the traction trolley frame towards the moving direction of the trolley is provided with a traction guide mechanism. The traction guide mechanism comprises a fixed pulley 8 connected to the vehicle frame.

The working process of the present utility model is as follows:

First connect the protective tube 3 with the protective tube clamp on the traction trolley and the load-bearing trolley frame: separate the fixing belt from the buckle, then make the axis of the protective tube parallel to the length direction of the fixed frame, and place the protective tube on the fixed frame On the top seat, because the cross section of the top seat is V-shaped, it can adapt to the placement of different types of protective tubes. Then, the end of the fixing belt is bypassed by the protective tube and connected with the buckle. At the same time, rotate the shaft, and the rotation of the shaft will be wound and fixed. The belt makes the fixed belt tighten to a certain extent and compresses the protective tube. At the same time, the rotation of the rotating shaft will drive the first ratchet to rotate. Maintain the immediate tension of the strap.

Then lift one end of the laid cable and pass through the gap between the two limit rods of the pulling guide mechanism and the two fixed pulleys of the pipe guide pulley block in sequence, and then enter the protective pipe, then press down the transmission handle and reset it, the transmission handle The bearing rotates around the transmission shaft, and the second ratchet is used to push the second ratchet to rotate in the circumferential direction. The second ratchet drives the transmission shaft and the transmission gear on the transmission shaft to perform continuous circumferential rotation. The driven gear meshing with the transmission gear The gear drives the wheel shaft and the wheel to rotate, realizing the movement of the traction trolley, and then realizing the movement of the protective tube and the load-bearing trolley, while the cable has relatively no displacement along its length, so the protective tube will gradually move to the target position of the cable, and then rotate and brake At the free end of the handle, the brake handle rotates around the pin shaft and tightens the pull rope. The pull rope drives the crank to rotate and makes the brake band tighten and contact the transmission shaft, so that the transmission shaft brakes under the action of friction, thereby realizing the traction of the trolley. Braking; then separate the buckle and fixing belt, separate the detachable fixed pulley on the vertical support, separate the cable, protective tube and trolley to complete the work.

The traction guide mechanism can reduce the friction force when the cable moves up through its fixed pulley, and at the same time, the limit rod can be used to prevent the cable from running off the fixed pulley; On the one hand, adjust the horizontal position of the cable to the same height as the protective tube to prevent friction between the tube wall at the end of the protective tube and the cable sheath.

It should be noted that there can be multiple load-bearing trolleys in the utility model, and there can be multiple corresponding protective pipes. It is only necessary to connect multiple load-bearing trolleys and traction trolleys through traction ropes to realize traction. If the distance between the pipes on the load-bearing trolley is well controlled and the braking of the load-bearing trolley is well controlled, the operation of setting multiple protective tubes on the cable at one time can be realized, saving time and effort.

At the same time, it needs to be explained that the reason why the utility model adopts the manual control transmission handle is that the cable is laid in a hidden tunnel, the tunnel width is limited, and the soil is soft and dusty. Very suitable, on the one hand, because the motor is large in size, and on the other hand, the moving speed of the tow car should not be too fast, otherwise, if the protective tube misses the target position, it needs to be reversed, the operation is more cumbersome, and the dusty environment has a great impact on the life of the motor . But the utility model can adopt electric cylinder namely electric push rod to cooperate rocking handle to drive transmission handle.

Claims (7)

1. a kind of secretly deposited cable joint-box protects effective constructing device, which is characterized in that described device includes trailer wagon, trailer wagon Vehicle frame at the top of be equipped with dismountable protection pipe clamp, the protection pipe clamp includes that section is in concave character type pedestal and integrally sets It is placed in the footstock that the section of base top surface is in the shape of the letter V, base outer wall side is equipped with bracket, and bracket is equipped with shaft, the axis of shaft Bar is fixedly connected with fixing belt one end, and the buckle that the fixing belt other end is arranged with the base outer wall other side is detachably connected, shaft On be also coaxially provided with the first ratchet, base outer wall is equipped with the first pawl with the first ratchet composition ratchet mechanism；Trailer wagon Bottom of frame be equipped with wheel, the wheel shaft of wheel is equipped with driven gear, and the vehicle frame above wheel shaft is equipped with transmission shaft, transmission shaft On be coaxially provided on the second ratchet and transmission gear and transmission shaft and be additionally provided with driving handle, driving handle is equipped with the second ratchet group At the second pawl of ratchet mechanism.

2. secretly deposited cable joint-box as described in claim 1 protects effective constructing device, which is characterized in that on the trailer wagon also Equipped with arrestment mechanism, the arrestment mechanism includes brake band, crank and the brake handle equipped with bracing wire, brake band one end and transmission Handle connection, the other end after transmission shaft with crank one end around connecting, and crank middle section and driving handle pin shaft are hinged, and crank is another End is connect with bracing wire, and brake handle middle section and driving handle pin shaft are hinged, and one end far from bracing wire is free end.

3. secretly deposited cable joint-box as described in claim 1 protects effective constructing device, which is characterized in that the constructing device also wraps The load bearing trolley equipped with idler wheel is included, also is provided with the protection pipe clamp at the top of the vehicle frame of load bearing trolley.

4. secretly deposited cable joint-box as claimed in claim 3 protects effective constructing device, which is characterized in that the load bearing trolley with lead Draw at the top of the vehicle frame of trolley in same level height.

5. secretly deposited cable joint-box as described in claim 1 protects effective constructing device, which is characterized in that the bottom of the driving handle It holds middle section to cooperate by bearing and transmission shaft, is equipped on the driving handle of bearing two sides and the second ratchet composition ratchet mechanism Second pawl.

6. secretly deposited cable joint-box as described in claim 1 protects effective constructing device, which is characterized in that the trailer wagon vehicle frame It is equipped with towards one end of trolley moving direction into pipe leading block group, entering pipe leading block group includes connecting with trailer wagon vehicle frame Vertical rack, vertical rack is equipped with two fixed pulleys, and the fixed pulley being located above is detachably connected with vertical rack, fixed cunning The race and cable of wheel, which roll, to be cooperated.

7. secretly deposited cable joint-box as described in claim 1 protects effective constructing device, which is characterized in that the trailer wagon vehicle frame It is equipped with drawing guiding mechanism towards one end of trolley moving direction, drawing guiding mechanism includes the fixed pulley connecting with vehicle frame, fixed The wheel shaft both ends of pulley are connected with gag lever post vertically.