A motorized pulley walking device and a motorized pulley

Abstract

The application discloses a kind of electric hoist walking device, including side plate foundation, a pair of gyro wheel side plates is set on side plate foundation, driving motor and driving wheel are equipped on any gyro wheel side plate, another gyro wheel side plate is equipped with driven wheel;The side plate foundation includes: central vertical shaft, it is shaped with axial cavity in the inside along the axis direction, the axial cavity is symmetrically distributed with two only side openings on the left and right above, the axial cavity right side is equipped with locking end hole;Adjusting device, including the screw rod assembly of rotatable being arranged in axial cavity, the rotation component of driving screw rod assembly rotation, the locking component for locking the rotation freedom degree of screw rod assembly;Transverse sliding seat, including the sliding seat body of slidably being arranged on central vertical shaft and being driven by screw rod assembly, side plate support is shaped on sliding seat body to install the gyro wheel side plate.

Description

Technical Field

[0001] This application relates to the field of mechanical technology, specifically to an electric hoist traveling device and an electric hoist. Background Technology

[0002] An electric hoist is a lifting device equipped with an electric motor, typically used for moving heavy objects. An electric hoist mainly consists of an electric drive system and a lifting device. Powered by electricity, it makes moving heavy objects more convenient and efficient. It usually uses a combination of wire rope or chain for lifting operations. The traveling mechanism of the electric hoist, the trolley, is a transport vehicle that typically consists of a chassis with four wheels and an electric hoist capable of vertical movement.

[0003] Electric hoist trolleys are typically used to move heavy objects, such as moving goods from one place to another on an industrial production line. Their electric motors provide the power, making the movement of goods more convenient and efficient. Existing electric hoists typically include at least a drive wheel and a driven wheel distributed on both sides of a rail. During actual operation, the distance between the two wheels needs to be adjusted to prevent the trolley from falling due to excessive distance or from "catching on the rail" due to insufficient distance.

[0004] Therefore, it is necessary to design a traveling device that can easily adjust the distance between the driving wheel and the driven wheel, as well as an electric hoist equipped with such a traveling device. Summary of the Invention

[0005] An electric hoist traveling device includes a side plate base and a pair of rotating wheel side plates disposed on the side plate base. One rotating wheel side plate is provided with a drive motor and a drive wheel, and the other rotating wheel side plate is provided with a driven wheel. The side plate foundation includes: The central vertical shaft has an axial cavity formed inside along the axial direction. There are two side openings symmetrically distributed on the left and right sides above the axial cavity. A locking end hole is provided on the right side of the axial cavity. The adjusting device includes a threaded rod assembly rotatably disposed in an axial cavity, a rotating assembly for driving the threaded rod assembly to rotate, and a locking assembly for locking the rotational freedom of the threaded rod assembly. The transverse slide includes a slide body that is slidably mounted on a central vertical shaft and driven by a threaded rod assembly, and a side plate support formed on the slide body for mounting the wheel side plate.

[0006] As a further implementation plan: The threaded rod assembly includes a rotatable external threaded rod disposed in an axial cavity, a driven bevel gear formed on the right side of the external threaded rod, and a narrow diameter collar formed on the right side of the driven bevel gear. The rotating assembly includes a rotating through hole located on the right side of the lower end of the axial cavity, a rotating spindle rotatable within the rotating through hole, a driving bevel gear formed above the rotating spindle and meshing with the driven bevel gear, and a torsion end formed at the lower end of the rotating spindle. The locking assembly includes a locking cavity located at the right end of the external threaded rod and communicating with the narrow-diameter collar; fixed locking teeth evenly distributed circumferentially on the right side of the locking cavity; a sliding locking block slidably located within the locking cavity; movable locking teeth evenly distributed circumferentially on the right end of the sliding locking block and meshing with the fixed locking teeth; a locking spring located in the left half of the locking cavity and abutting against the sliding locking block; a pressing mandrel located on the right side of the sliding locking block and passing through the narrow-diameter collar and the end of the axial cavity; an axial locking hole formed on the outer wall of the pressing mandrel; and an end locking block located on the inner wall of the locking end hole and lockingly engaged with the axial locking hole.

[0007] As a further implementation plan: The slide body includes a slidable outer shell mounted on a central vertical shaft, a sliding ring cavity on one side of the outer shell, a shaft shift opening formed on the upper end of the sliding ring cavity, a worm gear ring cavity formed on the other side of the outer shell, a spacer convex ring formed between the sliding ring cavity and the worm gear ring cavity, a worm chamber communicating with the worm gear ring cavity, a driven convex ring formed on the side of the worm gear ring cavity, and a connecting plug formed on the inner wall of the driven convex ring and passing through the side opening. The inner end of the connecting plug is provided with an internal thread that meshes with the external threaded rod. The side plate support includes an internal threaded ring disposed in the sliding ring cavity and a support body disposed at the upper end of the internal threaded ring and passing through the shaft displacement opening for connecting the wheel side plate. The transverse slide also includes an active worm gear, which is rotatably disposed in the worm gear chamber; The transverse slide also includes a rotating assembly, comprising a driven worm wheel rotatably disposed in the worm wheel ring cavity and meshing with the driving worm, a connecting cone ring formed on the side of the driven worm wheel and passing through the spacer convex ring, and an external threaded cylinder formed on the side of the connecting cone ring and meshing with the internal threaded ring.

[0008] As a further implementation plan: The transverse slide also includes a worm gear locker, which includes a locking rod wide hole formed at the end of the worm gear chamber, a locking tooth wide hole formed in the locking rod wide hole, and worm gear locking teeth evenly distributed circumferentially in the locking tooth wide hole. It also includes a locking sleeve formed at the end of the driving worm gear and rotatably disposed in the locking rod wide hole. The locking sleeve has a rectangular inner cavity and a circular outer wall. The transverse slide also includes a locking side hole formed on the side of the locking sleeve, a locking spring disposed at the bottom of the locking sleeve, a sliding pressing mandrel disposed in the locking sleeve, and a locking side rod formed on the side of the pressing mandrel and disposed through the locking side hole. The locking side rod is locked in place with the worm gear locking teeth.

[0009] As a further implementation plan: The worm gear locking device is provided in pairs, with one worm gear locking device at the front and one at the rear end of the worm gear chamber.

[0010] As a further implementation plan: The transverse slide also includes a damping adjuster, which includes an adjustment through hole formed in the driving worm gear, a pair of damping inner rings formed in the inner wall of the adjustment through hole, an external threaded rod passing through the pair of damping inner rings, and a centrally located round shaft formed in the middle of the external threaded rod and rotatable between the two damping inner rings. A movable sleeve is screwed onto the external threaded rod, and the end of the movable sleeve is also provided with a rectangular end block that cooperates with the rectangular inner cavity of the locking sleeve. The end of any external threaded rod is also provided with an adjustment mandrel that passes through the pressing mandrel.

[0011] This case also discloses an electric hoist that uses the walking device described in any of the claims.

[0012] Beneficial effects: The traveling device described in this case can quickly adjust the lateral sliding block to initially install the electric hoist on the rail where the trolley is located, and can also achieve locking: First, place the rail between a pair of rotating wheel side plates, then unlock the rotational freedom of the threaded rod assembly. Finally, quickly adjust to complete the installation: rotate the torsion end, rotate the mandrel and the driving bevel gear. The driving bevel gear drives the driven bevel gear and the external threaded rod to rotate. The external threaded rod acts on the connecting block, thereby driving the slide body, side plate support and driving worm gear to move, thus adjusting the distance between the driving wheel and the driven wheel.

[0013] The walking device described in this case can also precisely adjust the spacing of the side plate supports of the transverse sliding block.

[0014] The walking device described in this case includes a worm gear lock that can lock and fix the posture of the transverse slide. A pair of worm gear locks need to be operated simultaneously to unlock, in order to avoid accidentally unlocking the rotational freedom of the active worm and the position of the side plate support by accidentally touching one of the worm gear locks, thus avoiding misoperation of the posture of the transverse slide.

[0015] The walking device described in this case can also adjust the damping when pressing the pressing spindle through a damping adjuster, making the operation smoother. Attached image description: To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of one embodiment of the electric hoist.

[0017] Figure 2 This is a schematic diagram of one embodiment of the walking device.

[0018] Figure 3 This is a cross-sectional view of one embodiment of the walking device.

[0019] Figure 4 This is a cross-sectional view of one embodiment of the side plate foundation.

[0020] Figure 5 This is a cross-sectional view of one embodiment of the central vertical shaft and adjustment device.

[0021] Figure 6 yes Figure 5 An enlarged schematic diagram of one embodiment of part C.

[0022] Figure 7 yes Figure 5 An enlarged schematic diagram of another embodiment of section C.

[0023] Figure 8 yes Figure 4 An enlarged schematic diagram of one embodiment of part B.

[0024] Figure 9 yes Figure 4 An enlarged schematic diagram of another embodiment of part B.

[0025] Figure 10 yes Figure 3 A cross-sectional view of one embodiment of section AA.

[0026] Figure 11 yes Figure 3 A cross-sectional view of another embodiment of section AA.

[0027] Figure 12 yes Figure 11 Enlarged schematic diagram of section D in the middle.

[0028] In the picture: a. Side plate foundation, b. Rotor side plate, c. Drive motor, d. Drive wheel, e. Driven wheel, m. Rail; 1. Central vertical shaft; 11. Axial cavity; 12. Side opening; 13. Locking end hole; 2. Adjusting device, 21. Threaded rod assembly, 21a. External threaded rod, 21b. Driven bevel gear, 21c. Narrow diameter collar, 22. Rotating assembly, 22a. Rotating through hole, 22b. Rotating spindle, 22c. Driving bevel gear, 22d. Torsion end, 23. Locking assembly, 23a. Locking cavity, 23b. Fixed locking tooth, 23c. Sliding locking block, 23d. Moving locking tooth, 23e. Locking spring, 23f. Pressing spindle, 23g. Axial locking hole, 23h. End locking block; 3. Transverse slide block; 31. Slide block body; 31a. Body shell; 31b. Sliding ring cavity; 31c. Shaft shift opening; 31d. Worm gear ring cavity; 31e. Spacer convex ring; 31f. Worm chamber; 31g. Driven convex ring; 31h. Connecting insert block; 32. Side plate support; 32a. Internal threaded ring; 32b. Support body; 33. Driving worm gear; 34. Rotating assembly; 34a. Driven worm gear; 34b. Connecting cone ring; 34c. Externally threaded cylinder; 35. Worm gear lock, 35a. Locking bar wide hole, 35b. Locking tooth wide hole, 35c. Worm gear locking tooth, 35d. Locking sleeve, 35e. Locking side hole, 35f. Locking spring, 35g. Pressing mandrel, 35h. Locking side rod; 36. Damping adjuster, 36a. Adjustment through hole, 36b. Damping inner ring, 36c. External threaded rod, 36d. Centrally positioned round shaft, 36e. Moving sleeve, 36f. Rectangular end block, 36g. Adjusting spindle. Detailed Implementation

[0029] An electric hoist traveling device includes a side plate base a, a pair of rotating wheel side plates b disposed on the side plate base a, one rotating wheel side plate b is provided with a drive motor c and a driving wheel d, and the other rotating wheel side plate b is provided with a driven wheel e. The side plate foundation a includes: The central vertical shaft 1 has an axial cavity 11 formed inside along the axial direction. Two side openings 12 are symmetrically distributed on the left and right sides above the axial cavity 11. A locking end hole 13 is provided on the right side of the axial cavity 11. The adjusting device 2 includes a threaded rod assembly 21 rotatably disposed in the axial cavity 11, a rotating assembly 22 for driving the threaded rod assembly 21 to rotate, and a locking assembly 23 for locking the rotational freedom of the threaded rod assembly 21. Furthermore, regarding the adjusting device 2, a more specific embodiment is given: the threaded rod assembly 21 includes a rotatable external threaded rod 21a disposed in the axial cavity 11, a driven bevel gear 21b formed on the right side of the external threaded rod 21a, and a narrow diameter collar 21c formed on the right side of the driven bevel gear 21b. It should be noted that the external thread rod 21a is a positive and negative thread rod with opposite directions of rotation on the left and right sides.

[0030] Thanks to the improved technical solution described above, the rotation of the external threaded rod 21a can drive a pair of transverse sliding blocks 3 to move in opposite directions, that is, to move closer to each other or further away from each other.

[0031] The rotating assembly 22 includes a rotating through hole 22a located on the right side of the lower end of the axial cavity 11, a rotating spindle 22b rotatably located in the rotating through hole 22a, a driving bevel gear 22c formed above the rotating spindle 22b and meshing with the driven bevel gear 21b, and a torsion end 22d formed at the lower end of the rotating spindle 22b. The locking assembly 23 includes a locking cavity 23a located at the right end of the external threaded rod 21a and communicating with the narrow diameter collar 21c; fixed locking teeth 23b circumferentially distributed on the right side of the locking cavity 23a; a sliding locking block 23c slidably located within the locking cavity 23a; a movable locking tooth 23d circumferentially distributed at the right end of the sliding locking block 23c and meshing with the fixed locking teeth 23b; a locking spring 23e located in the left half of the locking cavity 23a and abutting against the sliding locking block 23c; a pressing spindle 23f located on the right side of the sliding locking block 23c and passing through the narrow diameter collar 21c and the end of the axial cavity 11; an axial locking hole 23g formed on the outer wall of the pressing spindle 23f; and an end locking block 23h located on the inner wall of the locking end hole 13 and lockingly engaged with the axial locking hole 23g.

[0032] The transverse slide block 3 includes a slide block body 31 that is slidably mounted on a central vertical shaft 1 and driven by a threaded rod assembly 21, and a side plate support 32 formed on the slide block body 31 for mounting the wheel side plate b.

[0033] Regarding the transverse slide block 3, the following is a specific implementation scheme: The slide body 31 includes a slidable body shell 31a mounted on a central vertical shaft 1, a sliding annular cavity 31b on one side of the body shell 31a, a shaft shift opening 31c formed on the upper end of the sliding annular cavity 31b, a worm gear annular cavity 31d formed on the other side of the body shell 31a, a spacer convex ring 31e formed between the sliding annular cavity 31b and the worm gear annular cavity 31d, a worm chamber 31f communicating with the worm gear annular cavity 31d, a driven convex ring 31g formed on the side of the worm gear annular cavity 31d, and a connecting plug 31h formed on the inner wall of the driven convex ring 31g and passing through the side opening 12. The inner end of the connecting plug 31h is provided with an internal thread that meshes with the external thread rod 21a. The side plate support 32 includes an internal threaded ring 32a disposed in the sliding ring cavity 31b, and a support body 32b disposed at the upper end of the internal threaded ring 32a and passing through the shaft displacement opening 31c for connecting the wheel side plate b. The transverse slide block 3 also includes an active worm gear 33, which is rotatably disposed within the worm gear chamber 31f; The transverse slide block 3 also includes a rotating assembly 34, which includes a driven worm wheel 34a rotatably disposed in the worm wheel annular cavity 31d and meshing with the driving worm 33, a connecting cone ring 34b formed on the side of the driven worm wheel 34a and passing through the spacer convex ring 31e, and an external threaded cylinder 34c formed on the side of the connecting cone ring 34b and meshing with the internal threaded ring 32a.

[0034] Further: The transverse slide block 3 also includes a worm gear locker 35, which includes a locking rod wide hole 35a formed at the end of the worm gear chamber 31f, a locking tooth wide hole 35b formed in the locking rod wide hole 35a, and worm gear locking teeth 35c evenly distributed in the locking tooth wide hole 35b. It also includes a locking sleeve 35d formed at the end of the driving worm gear 33 and rotatably disposed in the locking rod wide hole 35a. The locking sleeve 35d has a rectangular inner cavity and a circular outer wall. The transverse slide block 3 also includes a locking side hole 35e formed on the side of the locking sleeve 35d, a locking spring 35f disposed at the bottom of the locking sleeve 35d, a pressing mandrel 35g slidably disposed in the locking sleeve 35d, and a locking side rod 35h formed on the side of the pressing mandrel 35g and passing through the locking side hole 35e. The locking side rod 35h locks with the worm gear locking teeth 35c.

[0035] Going a step further: A pair of worm gear locking devices 35 are provided, with one worm gear locking device 35 at the front and one at the rear end of the worm gear chamber 31f.

[0036] As a further implementation plan: The transverse slide block 3 also includes a damping adjuster 36, which includes a resistance adjustment through hole 36a formed in the drive worm gear 33, a pair of damping inner rings 36b formed in the inner wall of the resistance adjustment through hole 36a, an external threaded rod 36c passing through the pair of damping inner rings 36b, and a centrally located round shaft 36d formed in the middle of the external threaded rod 36c and rotatable between the two damping inner rings 36b. A movable sleeve 36e is screwed onto the external threaded rod 36c. The end of the movable sleeve 36e is also provided with a rectangular end block 36f that cooperates with the rectangular inner cavity of the locking sleeve 35d. The end of any external threaded rod 36c is also provided with an adjusting mandrel 36g that passes through the pressing mandrel 35g.

[0037] This case also discloses an electric hoist that uses the walking device described in any one of claims 1-6.

[0038] This case also discloses the usage method of the aforementioned side plate foundation a, including the following steps: Step 1: Quickly adjust the transverse slide block 3 to complete the installation: Step 1.1, Initial placement: Place the rail m between a pair of wheel side plates b; Step 1.2, unlock the rotational degree of freedom of the threaded rod assembly 21: Press the pressing spindle 23f, sliding lock block 23c, and moving lock tooth 23d inward to overcome the damping of the locking spring 23e and retract inward until the moving lock tooth 23d disengages from the fixed lock tooth 23b, thereby unlocking the rotational freedom of the threaded rod assembly 21. Step 1.3, quickly adjust and complete the installation: Rotate the torsion end 22d, rotate the spindle 22b and the driving bevel gear 22c. The driving bevel gear 22c drives the driven bevel gear 21b and the external threaded rod 21a to rotate. The external threaded rod 21a acts on the connecting plug 31h and thus drives the transverse slide 3 to move as a whole. Then, adjust the positions of the pair of support bodies 32b and the wheel side plate b to bring them close together quickly, and adjust the position between the driving wheel d and the driven wheel e to adapt to the width of the bottom of the rail m, thus completing the rapid installation.

[0039] Step 2, Precise Adjustment: During the use of the device, the driving wheel d and the driven wheel e may become loose or wear out, requiring periodic adjustments. Step 2.1, unlock the 33-degree-of-freedom rotation of the active worm gear: Press the pressing mandrel 35g and the locking side rod 35h to make them retract inward against the damping of the locking spring 35f, so that the locking side rod 35h and the worm gear locking tooth 35c are disengaged, and the active worm gear 33, the locking sleeve 35d, the pressing mandrel 35g, and the locking side rod 35h can rotate. Rotate the locking sleeve 35d and the driving worm gear 33 to drive the driven worm wheel 34a, the connecting cone ring 34b, and the external threaded cylinder 34c to rotate; The external threaded cylinder 34c drives the internal threaded ring 32a and the support body 32b to move.

[0040] It also includes step 3, adjusting the damping: Rotating the external threaded rod 36c and the centrally located round shaft 36d drives the movable sleeve 36e and the rectangular end block 36f to move. Adjust the compression and elasticity of the locking spring 35f under normal conditions, thereby adjusting the pressing damping required when pressing the pressing spindle 35g.

Claims

1. An electric hoist traveling device, comprising a side plate base (a), a pair of rotating wheel side plates (b) disposed on the side plate base (a), wherein a drive motor (c) and a driving wheel (d) are provided on one rotating wheel side plate (b), and a driven wheel (e) is provided on the other rotating wheel side plate (b), characterized in that: The side plate foundation (a) includes: The central vertical shaft (1) has an axial cavity (11) formed inside along the axial direction. Two side openings (12) are symmetrically distributed on the left and right sides above the axial cavity (11). A locking end hole (13) is provided on the right side of the axial cavity (11). The adjustment device (2) includes a threaded rod assembly (21) rotatably disposed in the axial cavity (11), a rotating assembly (22) for driving the threaded rod assembly (21) to rotate, and a locking assembly (23) for locking the rotational freedom of the threaded rod assembly (21). The transverse slide (3) includes a slide body (31) that is slidably mounted on a central vertical shaft (1) and driven by a threaded rod assembly (21), and a side plate support (32) formed on the slide body (31) for mounting the wheel side plate (b). The transverse slide (3) further includes a worm gear lock (35), which includes a locking rod wide hole (35a) formed at the end of the worm gear chamber (31f), a locking tooth wide hole (35b) formed in the locking rod wide hole (35a), and worm gear locking teeth (35c) evenly distributed in the locking tooth wide hole (35b) around the circumference. It also includes a locking sleeve (35d) formed at the end of the driving worm (33) and rotatably disposed in the locking rod wide hole (35a). Having a rectangular inner cavity and a circular outer wall, the transverse slide (3) also includes a locking side hole (35e) formed on the side of the locking sleeve (35d), a locking spring (35f) provided at the bottom of the locking sleeve (35d), a sliding pressing spindle (35g) provided in the locking sleeve (35d), and a locking side rod (35h) formed on the side of the pressing spindle (35g) and passing through the locking side hole (35e). The locking side rod (35h) is locked in place with the worm gear locking teeth (35c). The transverse slide (3) also includes a damping adjuster (36), which includes a resistance adjustment through hole (36a) formed in the active worm gear (33), a pair of damping inner rings (36b) formed in the inner wall of the resistance adjustment through hole (36a), an external thread rod (36c) passing through the pair of damping inner rings (36b), and a central round shaft (36d) formed in the middle of the external thread rod (36c) and rotatably disposed between the two damping inner rings (36b). A movable sleeve (36e) is screwed onto the external thread rod (36c), and the end of the movable sleeve (36e) is also provided with a rectangular end block (36f) that cooperates with the rectangular inner cavity of the locking sleeve (35d). The end of any external thread rod (36c) is also provided with an adjusting mandrel (36g) that passes through the pressing mandrel (35g).

2. The electric hoist traveling device according to claim 1, characterized in that: The threaded rod assembly (21) includes an externally threaded rod (21a) rotatably disposed in an axial cavity (11), a driven bevel gear (21b) formed on the right side of the externally threaded rod (21a), and a narrow-diameter collar (21c) formed on the right side of the driven bevel gear (21b). The rotating assembly (22) includes a rotating through hole (22a) located on the right side of the lower end of the axial cavity (11), a rotating spindle (22b) rotatably located in the rotating through hole (22a), a driving bevel gear (22c) formed above the rotating spindle (22b) and meshing with the driven bevel gear (21b), and a torsion end (22d) formed at the lower end of the rotating spindle (22b). The locking assembly (23) includes a locking cavity (23a) located at the right end of the external threaded rod (21a) and communicating with a narrow-diameter collar (21c), fixed locking teeth (23b) evenly distributed circumferentially on the right side of the locking cavity (23a), a sliding locking block (23c) slidably located within the locking cavity (23a), and movable locking teeth (23d) evenly distributed circumferentially on the right end of the sliding locking block (23c) and engaging with the fixed locking teeth (23b). The locking spring (23e) that locks the left half of the inner cavity (23a) and abuts against the sliding locking block (23c), the pressing spindle (23f) that is provided on the right side of the sliding locking block (23c) and passes through the narrow diameter collar (21c) and the end of the axial cavity (11), the axial locking hole (23g) formed on the outer wall of the pressing spindle (23f), and the end locking block (23h) that is provided on the inner wall of the locking end hole (13) and locks into the axial locking hole (23g).

3. The electric hoist traveling device according to claim 2, characterized in that: The slide body (31) includes a slidable body shell (31a) on a central vertical shaft (1), a sliding ring cavity (31b) on one side of the body shell (31a), a shaft shift opening (31c) formed on the upper end of the sliding ring cavity (31b), a worm gear ring cavity (31d) formed on the other side of the body shell (31a), a spacer convex ring (31e) formed between the sliding ring cavity (31b) and the worm gear ring cavity (31d), a worm chamber (31f) connected to the worm gear ring cavity (31d), a driven convex ring (31g) formed on the side of the worm gear ring cavity (31d), and a connecting plug (31h) formed on the inner wall of the driven convex ring (31g) and passing through the side opening (12). The inner end of the connecting plug (31h) is provided with an internal thread that meshes with the external thread rod (21a). The side plate support (32) includes an internal threaded ring (32a) disposed in the sliding ring cavity (31b) and a support body (32b) disposed at the upper end of the internal threaded ring (32a) and passing through the shaft shift opening (31c) for connecting the wheel side plate (b). The transverse slide (3) also includes an active worm gear (33), which is rotatably disposed in the worm chamber (31f); The transverse slide (3) further includes a rotating assembly (34), which includes a driven worm wheel (34a) rotatably disposed in the worm wheel annular cavity (31d) and meshing with the driving worm (33), a connecting cone ring (34b) formed on the side of the driven worm wheel (34a) and passing through the spacer convex ring (31e), and an external threaded cylinder (34c) formed on the side of the connecting cone ring (34b) and meshing with the internal threaded ring (32a).

4. The electric hoist traveling device according to claim 3, characterized in that: The worm gear lock (35) is provided in pairs, with one worm gear lock (35) provided at the front and rear ends of the worm gear chamber (31f).

5. An electric hoist, characterized in that, Use the walking device described in any one of claims 1-4.

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