Cable pulley

Abstract

The utility model relates to the technical field of cable installation, and discloses a cable pulley which comprises a base, the surface of the base is provided with an installation assembly corresponding to an I-shaped sliding rail, and the bottom end of the base is provided with a cable positioning assembly corresponding to an external cable. And the mounting assembly comprises a mounting groove formed in the surface of the base, the interior of the mounting groove is rotationally connected with a positive and negative tooth screw rod, and the threaded surfaces of the two sides of the positive and negative tooth screw rod are symmetrically in threaded connection with two movable plates. When the cable pulley is installed, the worm is rotated through the rotary knob, then the positive and negative tooth screw rod is driven to rotate under the transmission effect of the worm gear, then the two movable plates are driven to be close to each other, the supporting guide wheel is installed on the surface of the I-shaped sliding rail, and rapid installation work of the cable pulley is completed; the purpose of positioning the positive and negative thread screw is achieved, the situation that the whole cable pulley falls off from the surface of the I-shaped sliding rail due to looseness of the movable plate is avoided, and use safety is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable installation technical field more particularly to a cable trolley. BACKGROUND

[0002] The I-beam cable trolley series is a kind of electric conduction form for crane trolley power supply, it is composed of travelling wheel, support, backing plate, soft cable is fixed on backing plate, by traction frame and I-beam cable trolley synchronization, to realize the purpose of cable power supply.

[0003] Through the retrieval, the prior art (publication number: CN221420474U) discloses a kind of cable trolley installation structure, in the process of using, the installation component of being set cooperates with the use of cable trolley, after being fixed to the top surface of movable plate by nut with pulley seat, when installing cable trolley, entire cable trolley is placed below I-beam slide rail, and make sliding wheel be placed at the both sides of I-beam slide rail, rotate the knob of one side of fixed plate by rotating lever, drive bidirectional adjusting screw rod to rotate, make the sliding wheel on the inner wall of pulley seat on the top surface of movable plate of symmetrical movable plate respectively enter the track groove of the both sides of I-beam slide rail completely by the screw hole on the side wall of bottom surface connecting block along bidirectional adjusting screw rod, so as to reach the purpose that cable trolley is conveniently and quickly installed, and also conveniently disassembled in subsequent, to facilitate the disassembly and use of cable trolley. However, the inventor finds that the prior art has the following problems in the process of realizing the utility model: the cable trolley installation structure in the above in the process of using, because bidirectional adjusting screw rod is in free state, in the process of using cable trolley on the surface of I-beam slide rail, there is the case that movable plate is far away from bidirectional adjusting screw rod self-rotating, and then the whole cable trolley can fall from the surface of I-beam slide rail, there is great security risk, and in the process of using the cable trolley, cable is simply set on the surface of cable fixed hanging line frame, lacks cable positioning structure, so that when multiple cable trolleys are used in series, there is the case that cable trolley is closely close and cable is excessively dropped, which affects the safety of cable use.

[0004] In view of this, the utility model provides a kind of cable trolley to solve this problem. UTILITY MODEL CONTENTS

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a kind of cable trolley to solve the problems in the above background art.

[0006] The utility model provides the following technical scheme: a kind of cable trolley, including base, the surface of the base is provided with installation component corresponding I-beam slide rail, the bottom end of base is provided with cable positioning assembly corresponding external cable;

[0007] The mounting assembly comprises a mounting groove opened in the surface of the base, a reversible screw rod is rotationally connected inside the mounting groove, two movable plates are symmetrically and threadedly connected on the two sides of the reversible screw rod, a supporting guide wheel is rotationally connected on the side close to each of the two movable plates, the supporting guide wheel is slidingly connected on the surface of the I-shaped sliding rail, a driving box is fixedly installed on the front surface of the base, a knob is rotationally connected on the top of the driving box, a worm is fixedly installed on the rod of the knob and extends into the inside of the driving box, a worm wheel is fixedly installed on one end of the reversible screw rod and extends into the inside of the driving box, and the worm is engaged with the worm wheel.

[0008] The cable positioning assembly comprises two extension frames which are symmetrically and fixedly installed on the front and rear sides of the lower surface of the base, a supporting plate is arranged at the bottom end of each of the two extension frames, a positioning cylinder is arranged on the top surface of the supporting plate, a through hole is formed in the surface of the positioning cylinder for the power cable to pass through, a clamping screw rod is threadedly connected to the top of the positioning cylinder, and a rubber plate is rotationally connected to the threaded end of the clamping screw rod and extends into the inside of the through hole.

[0009] As a further description of the above technical solution: two limiting sliding rails are symmetrically and fixedly installed on the top of the base, and the movable plates are slidingly connected with the limiting sliding rails; by arranging the limiting sliding rails, the movement path of the movable plates can be limited to ensure the stability of the movable plates when moving.

[0010] As a further description of the above technical solution: the supporting plate and the extension frame are detachably connected, a clamping groove is formed in the bottom end of the extension frame, the supporting plate is clamped in the inside of the clamping groove, and a bottom plate is detachably installed on the bottom end of the extension frame by bolts to block the bottom end of the clamping groove; by detachably connecting the supporting plate and the extension frame and blocking the clamping groove by the bottom plate, the supporting plate can be positioned and installed, and by detaching the bottom plate, the supporting plate can be taken out from the inside of the clamping groove, which is convenient for maintenance.

[0011] As a further description of the above technical solution: a balance sliding rod is fixedly installed on the top of the rubber plate, and the balance sliding rod is slidingly connected with the positioning cylinder; by arranging the balance sliding rod, the stability of the rubber plate can be improved to ensure the clamping effect of the rubber plate on the cable.

[0012] As a further description of the above technical solution: an anti-skid plate is fixedly installed on the inner bottom wall of the positioning cylinder, and an arc-shaped groove is formed in the upper surface of the anti-skid plate; by arranging the anti-skid plate and forming the arc-shaped groove in the surface of the anti-skid plate, the contact area between the cable and the anti-skid plate can be increased to further improve the tightness of the cable during installation and prevent the cable from sliding in the inside of the positioning cylinder.

[0013] As a further description of the above technical scheme: the positioning cylinder and the support plate are movably installed, the surface of the support plate is provided with a buffer groove, the inner wall of the buffer groove is fixedly installed with a transverse sliding rod, the positioning cylinder is slidingly connected to the surface of the transverse sliding rod, the surface of the transverse sliding rod is sleeved with a buffer rubber cylinder on the left and right sides of the positioning cylinder, the ends of the two buffer rubber cylinders close to each other are abuttingly arranged on the side surface of the positioning cylinder, and the ends of the two buffer rubber cylinders away from the positioning cylinder are abuttingly arranged on the inner wall of the buffer groove; since the positioning cylinder and the support plate are movably installed, the positioning cylinder is slidingly connected to the surface of the transverse sliding rod, and the positioning cylinder is flexibly supported by the buffer rubber cylinder, when the external mechanical traction cable moves, the buffer effect of the buffer rubber cylinder can protect the cable, and the traction speed is prevented from being too fast to damage the cable.

[0014] As a further description of the above technical scheme: the left side and the right side of the support plate are provided with two limiting wheels, and a limiting cavity for the cable to pass through is reserved between the two limiting wheels; by arranging the limiting wheels, the cable can be limited and guided, and the wear of the cable sheath is reduced by rolling support, so that the cable can be safely used for a long time.

[0015] The technical effects and advantages of the utility model are as follows:

[0016] 1. Compared with the prior art, when the cable pulley is installed, the knob is rotated to rotate the worm, and then the positive and negative toothed screw is driven to rotate under the transmission effect of the worm gear, so that the two movable plates are driven to move close to each other, the supporting guide wheel is installed on the surface of the I-shaped sliding rail, the rapid installation of the cable pulley is completed, after installation, the self-locking effect of the worm and the worm gear is utilized to position the positive and negative toothed screw, the movable plates are prevented from loosening to cause the cable pulley to fall off the surface of the I-shaped sliding rail, the safety of use is ensured, and during the use of the cable pulley, the cable is arranged in the through hole of the positioning cylinder, the rubber plate is driven by the abutting screw to extrude the cable, the cable is positioned, the tightness of the connection between the cable and the cable pulley is ensured, the cable is prevented from excessively falling, and the safety of the cable is ensured.

[0017] 2. Compared with the prior art, when the cable pulley is installed, the limiting sliding rail is arranged to limit the movement path of the movable plate, and the stability of the movable plate during movement is ensured; the support plate and the extension frame are detachably installed, the bottom plate is used to block the clamping groove, the support plate is positioned and installed, the bottom plate is removed, the support plate is taken out from the clamping groove, and maintenance is facilitated; the balance sliding rod is arranged to improve the stability of the rubber plate and ensure the clamping effect of the rubber plate on the cable; the anti-skid plate is arranged, and the arc-shaped groove is arranged on the surface of the anti-skid plate, the contact area between the cable and the anti-skid plate is increased, the tightness of the cable during installation is further improved, and the cable is prevented from sliding in the positioning cylinder.

[0018] 3. Compared with the prior art, the cable pulley can protect the cable from being damaged due to too high traction speed, and can position and guide the cable and reduce abrasion of the cable sheath by the rolling support, so that the cable can be safely used for a long time. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a perspective structural schematic view of the utility model in an installed state;

[0020] Figure 2 is a perspective structural schematic view of the utility model from view angle one;

[0021] Figure 3 is a perspective structural schematic view of the utility model from view angle two;

[0022] Figure 4 is a schematic view of a front cut of the utility model drive box;

[0023] Figure 5 is a perspective structural schematic view of the utility model from view angle three;

[0024] Figure 6 is a perspective structural schematic view of the utility model support plate from a top view.

[0025] The reference signs are: 1, base; 2, I-shaped slide rail; 3, positive and negative toothed screw; 4, movable plate; 5, support guide wheel; 6, drive box; 7, knob; 8, worm; 9, worm wheel; 10, extension frame; 11, support plate; 12, positioning cylinder; 13, abutting screw; 14, rubber plate; 15, limiting slide rail; 16, clamping groove; 17, bottom plate; 18, balance slide bar; 19, anti-skid plate; 20, arc-shaped groove; 21, transverse slide bar; 22, buffer rubber cylinder; 23, limiting wheel. DETAILED DESCRIPTION

[0026] The technical solutions in the utility model will be described clearly and completely below with reference to the drawings in the utility model, and additionally, the forms of the structures described in the following embodiments are only examples, and the cable pulley involved in the utility model is not limited to the structures described in the following embodiments, and all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the utility model.

[0027] REFERENCE Figures 1 to 6The utility model provides a kind of cable trolley, including pedestal 1, the surface of pedestal 1 is provided with mounting assembly corresponding I-shaped slide rail 2, the bottom of pedestal 1 is provided with cable positioning assembly corresponding external cable.

[0028] Mounting assembly includes the installation groove being opened in the surface of pedestal 1, positive and negative toothed screw 3 is rotatably connected in the inside of installation groove, two movable plates 4 are symmetrically connected in screw surface on the both sides of positive and negative toothed screw 3, the side close to two movable plates 4 is rotatably connected with support guide wheel 5, support guide wheel 5 is slidably connected on the surface of I-shaped slide rail 2, the front of pedestal 1 is fixedly installed with drive box 6, knob 7 is rotatably connected on the top of drive box 6, the stem of knob 7 extends to the inside of drive box 6 and is fixedly installed with worm 8, one end of positive and negative toothed screw 3 extends to the inside of drive box 6 and is fixedly installed with worm wheel 9, worm 8 is engaged with worm wheel 9.

[0029] When the cable trolley is installed, rotate worm 8 by knob 7, then drive positive and negative toothed screw 3 to rotate under the transmission effect of worm wheel 9, then drive two movable plates 4 to close, install support guide wheel 5 on the surface of I-shaped slide rail 2, complete the quick installation work of cable trolley.

[0030] It is worth mentioning that after the installation of the cable trolley, the self-locking effect of worm 8 and worm wheel 9 is used to achieve the purpose of positioning positive and negative toothed screw 3, so as to avoid the loosening of movable plate 4 and the falling of the whole cable trolley on the surface of I-shaped slide rail 2, and ensure the safety in use.

[0031] Two limit slide rails 15 are symmetrically fixedly installed on the top of pedestal 1, and movable plate 4 is slidably connected with limit slide rail 15.

[0032] Further, by setting limit slide rail 15, the movement path of movable plate 4 can be limited to ensure the stability of movable plate 4 when moving.

[0033] Cable positioning assembly includes extension frame 10 fixedly installed symmetrically on the front and back sides of the lower surface of pedestal 1, support plate 11 is provided at the bottom end of two extension frames 10, positioning cylinder 12 is provided on the top surface of support plate 11, through hole is provided on the surface of positioning cylinder 12 for the cable to pass through, positioning cylinder 12 is threadedly connected with pressing screw 13 on the top, and the threaded end of pressing screw 13 extends into the inside of through hole and is rotatably connected with rubber plate 14.

[0034] It is worth mentioning that during the use of the cable trolley, the cable is arranged in the through hole of positioning cylinder 12, and the rubber plate 14 is driven by the pressing screw 13 to extrude the cable, so as to achieve the purpose of positioning the cable, so as to ensure the tightness of the connection between the cable and the cable trolley, facilitate the uniform distribution of the length of the cable placed on the surface of the cable trolley, avoid the excessive falling of the cable, and ensure the safety of the use of the cable.

[0035] The support plate 11 is detachably connected with the extension frame 10, the bottom end of the extension frame 10 is provided with a clamping groove 16, the support plate 11 is clamped in the inside of the clamping groove 16, and the bottom end of the extension frame 10 is detachably installed with a bottom plate 17 for plugging the bottom end of the clamping groove 16.

[0036] It is worth noting that the support plate 11 is detachably installed with the extension frame 10, the clamping groove 16 is plugged by the bottom plate 17, the purpose of positioning and installing the support plate 11 is achieved, and when the surface structure of the support plate 11 needs to be maintained, the support plate 11 can be taken out from the inside of the clamping groove 16 by detaching the bottom plate 17, which is convenient for equipment maintenance.

[0037] The top of the rubber plate 14 is fixedly installed with a balance sliding rod 18, and the balance sliding rod 18 is in sliding connection with the positioning cylinder 12.

[0038] Further, by setting the balance sliding rod 18, the stability of the rubber plate 14 can be improved, and the clamping effect of the rubber plate 14 on the cable can be ensured.

[0039] The positioning cylinder 12 is fixedly installed with an anti-skid plate 19 on the inner bottom wall of the through hole, and an arc-shaped groove 20 is formed in the upper surface of the anti-skid plate 19.

[0040] It is worth noting that by setting the anti-skid plate 19 and forming the arc-shaped groove 20 on the surface of the anti-skid plate 19, the contact area between the cable and the anti-skid plate 19 can be increased, and the tightness during installation of the cable can be further improved to prevent the cable from sliding in the positioning cylinder 12.

[0041] The positioning cylinder 12 is movably installed with the support plate 11, the surface of the support plate 11 is provided with a buffer groove, the inner wall of the buffer groove is fixedly installed with a transverse sliding rod 21, and the positioning cylinder 12 is in sliding connection with the surface of the transverse sliding rod 21.

[0042] The surface of the transverse sliding rod 21 is sleeved with a buffer rubber cylinder 22 on the left and right sides of the positioning cylinder 12, one end of the two buffer rubber cylinders 22 close to each other is tightly abutted with the side surface of the positioning cylinder 12, and the other end of the two buffer rubber cylinders 22 away from the positioning cylinder 12 is tightly abutted with the inner wall of the buffer groove.

[0043] It is worth noting that when the cable pulley is used, since the positioning cylinder 12 is movably installed with the support plate 11, the positioning cylinder 12 is in sliding connection with the surface of the transverse sliding rod 21, and the positioning cylinder 12 is flexibly supported by the buffer rubber cylinder 22, when the cable is moved by external machinery, the buffer effect of the buffer rubber cylinder 22 can be used to achieve the purpose of protecting the cable, and the cable can be prevented from being damaged due to too fast traction speed.

[0044] The left side and the right side of the support plate 11 are provided with two limiting wheels 23, and a limiting cavity for the cable to pass through is reserved between the two limiting wheels 23.

[0045] Further, by arranging the limiting wheels 23, the cable can be limited and guided, and the rolling support effect is used to reduce the abrasion of the cable sheath, so that the cable can be safely used for a long time.

[0046] Finally, it should be pointed out that: the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined with each other.

Claims

1. A cable trolley comprising a base (1), characterised in that: The surface of the base (1) is provided with a mounting assembly corresponding to the I-shaped slide rail (2), and the bottom end of the base (1) is provided with a cable positioning assembly corresponding to the external cable; The mounting assembly comprises a mounting groove opened in the surface of the base (1), a reversible screw rod (3) rotatably connected inside the mounting groove, two movable plates (4) symmetrically and threadedly connected on the two side threaded surfaces of the reversible screw rod (3), a support guide wheel (5) rotatably connected on the side of each movable plate (4) close to the other, the support guide wheel (5) being slidably connected on the surface of the I-shaped slide rail (2), a driving box (6) fixedly installed on the front surface of the base (1), a knob (7) rotatably connected on the top of the driving box (6), a worm (8) fixedly installed on the rod of the knob (7) extending into the inside of the driving box (6), a worm wheel (9) fixedly installed on one end of the reversible screw rod (3) extending into the inside of the driving box (6), and the worm (8) being engaged with the worm wheel (9). The cable positioning assembly comprises two extension frames (10) fixedly installed on the front and rear sides of the lower surface of the base (1) in symmetry, a support plate (11) provided on the bottom end of each extension frame (10), a positioning cylinder (12) provided on the top surface of the support plate (11), a through hole provided on the surface of the positioning cylinder (12) for the cable to pass through, a tight screw rod (13) threadedly connected on the top of the positioning cylinder (12), and a rubber plate (14) rotatably connected on the threaded end of the tight screw rod (13) extending into the inside of the through hole.

2. A cable carousel according to claim 1, characterised in that: Two limiting slide rails (15) are fixedly installed on the top of the base (1) in symmetry, and the movable plates (4) are slidably connected with the limiting slide rails (15).

3. A cable pulley according to claim 1, wherein: The support plate (11) is detachably connected with the extension frame (10), the bottom end of the extension frame (10) is provided with a clamping groove (16), the support plate (11) is clamped in the inside of the clamping groove (16), and the bottom end of the extension frame (10) is detachably installed with a bottom plate (17) for plugging the bottom end of the clamping groove (16) through bolts.

4. A cable pulley according to claim 1, characterized in that: A balance sliding rod (18) is fixedly installed on the top of the rubber plate (14), and the balance sliding rod (18) is slidably connected with the positioning cylinder (12).

5. A cable pulley according to claim 1, characterized in that: An anti-skid plate (19) is fixedly installed on the inner bottom wall of the through hole of the positioning cylinder (12), and an arc-shaped groove (20) is opened on the upper surface of the anti-skid plate (19).

6. A cable carousel according to claim 1, characterized in that: The positioning cylinder (12) is movably installed with the support plate (11), a buffer groove is opened on the surface of the support plate (11), a transverse sliding rod (21) is fixedly installed on the inner wall of the buffer groove, and the positioning cylinder (12) is slidably connected on the surface of the transverse sliding rod (21).

7. A cable drum according to claim 6, wherein: Buffer rubber cylinders (22) are sleeved on the left and right sides of the positioning cylinder (12) on the surface of the transverse sliding rod (21), one end of each buffer rubber cylinder (22) close to the other is abuttingly connected with the side surface of the positioning cylinder (12), and one end of each buffer rubber cylinder (22) away from the positioning cylinder (12) is abuttingly connected with the inner wall of the buffer groove.

8. A cable carousel according to claim 1, characterized in that: Two limiting wheels (23) are provided on the left and right sides of the support plate (11), and a limiting cavity for the cable to pass through is reserved between the two limiting wheels (23).

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